CN107308669B - Solar thermal solution regeneration system and application method thereof - Google Patents
Solar thermal solution regeneration system and application method thereof Download PDFInfo
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- CN107308669B CN107308669B CN201710379970.0A CN201710379970A CN107308669B CN 107308669 B CN107308669 B CN 107308669B CN 201710379970 A CN201710379970 A CN 201710379970A CN 107308669 B CN107308669 B CN 107308669B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/16—Evaporating by spraying
- B01D1/18—Evaporating by spraying to obtain dry solids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0011—Heating features
- B01D1/0029—Use of radiation
- B01D1/0035—Solar energy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/263—Drying gases or vapours by absorption
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/1411—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant
- F24F3/1417—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant with liquid hygroscopic desiccants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/144—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only
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Abstract
The invention discloses a solar thermal solution regeneration system, which comprises: a tank body; a heat collecting assembly; the liquid separating component is arranged below the heat collecting component; the transmission drying assembly is arranged below the liquid separation assembly and is spaced a preset distance; the heat collection assembly, the liquid separation assembly and the transmission drying assembly are all configured to incline by a preset angle, and the liquid separation assembly sprays the solution to be regenerated after being heated in the liquid separation assembly onto the transmission drying assembly through a plurality of spray heads arranged on the liquid separation assembly at preset distances; the transmission output end of the transmission drying component is provided with a scraping plate for scraping crystals on the transmission drying component into a preset container. The invention provides a solar thermal solution regeneration system, which generates crystals in the regeneration process through a heat collection assembly and a transmission drying assembly, and further forms two products of concentrated solution and solid crystals by changing the regeneration principle, so that the obtained crystal dehumidifier can be stored for a long time.
Description
Technical Field
The invention relates to a regeneration system used under the conditions of indoor comfort of a building, energy conservation of the building and renewable energy utilization. More particularly, the invention relates to a solar thermal solution regeneration system used under the conditions of comfortable indoor building, energy saving and renewable energy source utilization and an application method thereof.
Background
At present, most of the solution regeneration technologies adopt thermal regeneration, namely, the water in the dilute solution is evaporated and separated by heating the dilute solution, so that the concentration of the solution is improved, the aim of regeneration is achieved, and meanwhile, two technologies which cannot be popularized in batches exist: firstly, an ultrasonic atomization regeneration technology: the dilute solution is vibrated by ultrasonic wave to form tiny liquid drops, and high-speed air is adopted for blowing. The tiny liquid drops are in a state of separating the solution from the water, and the concentrated solution and the water drop are separated when the high-speed air is purged because the specific gravity of the solution is larger than that of the water, so that the concentration of the solution is improved, and the aim of regeneration is fulfilled; secondly, membrane permeation regeneration technology: by adopting ultrafiltration membrane, membrane distillation and other technologies, water molecules and solution are separated by molecular sieve which only allows water vapor molecules to permeate through the membrane wall, so that the concentration of the solution is improved, and the aim of regeneration is achieved.
In the above three prior arts, the second and third techniques have not reached the level of mature industrialization, while the first technique involves the problem of heating mode. In the existing heating mode, a more traditional metal heater is still adopted for heating the solution, and the solution is heated by a heat source with a higher temperature, so that the water in the solution is evaporated. The technology has the following key problems:
firstly, the heating temperature is too high: because all kinds of metal heaters are traditional designs taking forced heat exchange as a working principle, a higher temperature is needed as a heat source, and therefore, the result that all kinds of renewable energy sources can be used (heat pump technology or post-heating technology) only by increasing the temperature is caused. The direct result is that low frequency heat sources such as solar energy, low temperature waste heat, etc. cannot be utilized effectively;
secondly, heating element corrosion: because the corrosion resistance of the metal heating element is poor, and the hygroscopic solution is mostly high corrosion liquid with active chemical properties such as industrial salt like lithium chloride, calcium chloride, lithium bromide and the like, the service life of the heating element is too short, and the maintenance cost is high. Some means of adopting corrosion-resistant materials bring about the problem of excessive cost;
and thirdly, the regeneration process is characterized in that only the concentration of the solution can be changed, but the crystallization degree with higher energy storage capacity cannot be achieved. Since the solution dilution process which can be carried out by the dehumidification process can generally only reduce the solution concentration by 5-10%, the regeneration process is mostly concentrated in this proportion. This ratio also means that more than 90% of the solution does not actually participate in the dehumidification process, but rather only repeatedly participates in the solution circulation. All containers, systems and ends involved in terms of the total amount of solution circulation can only serve 5-10% solution concentration variation, with significant limitations on system efficiency. While increasing the solution concentration can greatly increase the use efficiency of the system, the side effect is that in an operation mode designed based on the liquid system as a principle, once crystallization occurs, the operation of the system is destroyed. The concentrated solution with too high concentration also has the side effect of too high kinematic viscosity and affecting the operation safety of the system;
fourth, since the collection and storage of the liquid solution are currently performed by a closed cycle, i.e., the initial process and the end device of the regeneration process are connected in a system, and the regeneration is performed while dehumidification is performed, and a limited buffer device is provided. The coverage of the whole system is limited by the conveying capacity of the system, and if the system is too large, the economy is lost due to the concentration of the solution, and if the system is too small, the installation area for collecting solar energy is limited, so that higher economy and rationality cannot be provided.
Disclosure of Invention
It is an object of the present invention to address at least the above problems and/or disadvantages and to provide at least the advantages described below.
It is still another object of the present invention to provide a solar thermal solution regeneration system that solves the fundamental problem of current commercial non-ideal solar thermal regeneration, i.e., the non-ideal regeneration problem, through a heat collection assembly, improving the cost performance; the crystallization is generated in the regeneration process through the transmission drying component, so that energy storage is completed in an efficient crystal mode, and then the solution to be regenerated is subjected to primary heating through the heat collecting component and secondary heating through the transmission drying component, so that the crystallization is easier to release, two products of concentrated solution and solid crystallization are formed by changing the regeneration principle, and the obtained crystallization dehumidifier can be stored for a long time or carried for a large distance.
It is a further object of the present invention to provide a method of using a solar thermal solution regeneration system that is capable of preparing a dehumidifying solution for controlling indoor air humidity using renewable energy, mainly solar energy, to reduce the energy consumption required for regenerating the solution; meanwhile, the energy storage capacity of the solution can be utilized to store and carry solar energy in a chemical energy form for a long time.
To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a solar thermal solution regeneration system comprising:
a tank for containing a solution to be regenerated;
a heat collection assembly for converting solar energy into thermal energy;
the liquid separating component is arranged below the heat collecting component and used for lifting the solution to be regenerated in the tank body to heat;
the transmission drying assembly is arranged below the liquid separation assembly and is spaced a preset distance;
the heat collection assembly, the liquid separation assembly and the transmission drying assembly are all configured to incline by a preset angle, and the liquid separation assembly sprays the solution to be regenerated after being heated in the liquid separation assembly onto the transmission drying assembly through a plurality of spray heads arranged on the liquid separation assembly at preset distances;
the transmission direction of the transmission drying component is opposite to the flow direction of the solution, and the transmission output end of the transmission drying component is provided with a scraping plate for scraping crystals on the transmission drying component into a preset container.
Preferably, the heat collecting assembly is configured as a solar heat collecting cover plate.
Preferably, the liquid separation assembly includes:
a lift pump arranged in the tank body;
a plurality of liquid separating pipes arranged on the heat collecting assembly at intervals of another preset distance;
a lifting pipeline connected with the lifting pump and the liquid separating pipe respectively;
wherein, each shower nozzle sets up respectively on the branch liquid pipe.
Preferably, wherein the transmission drying assembly comprises:
the transmission belt is provided with grains capable of containing crystals;
the heating mechanism is arranged below the driving belt and keeps a preset distance with the driving belt, and an evaporation surface is formed on the surface of the driving belt.
Preferably, the heating mechanism is configured as a capillary heating mechanism connected with a water circulation waste heat recovery system;
the capillary heating mechanism includes:
a pair of dry pipes connected with the water circulation waste heat recovery system;
a plurality of plastic capillary tubes disposed between the pair of dry tubes so as to communicate therewith;
plastic heat conducting blades for accommodating plastic capillaries;
wherein, be provided with on the plastics heat conduction blade with carry out spacing and heat conduction's heat conduction layer to the plastics capillary.
Preferably, the transmission drying assembly further comprises a gauze arranged above the transmission belt or a cover plate with an aperture.
Preferably, the method further comprises:
the rain shelter device is used for automatically shielding all parts of the solar thermal solution regeneration system in a rainy day.
Preferably, the rain shielding device includes:
a control mechanism;
a rainfall sensor in communication with the control mechanism;
the shielding component is arranged at one side of the solar thermal solution regeneration system;
the actuating mechanism is electrically connected with the shielding assembly;
the actuating mechanism is in communication connection with the control mechanism, the shielding assembly comprises a first telescopic assembly capable of sliding along the preset direction of the mounting surface, a second telescopic assembly arranged at one end of the first telescopic assembly, and a waterproof shielding layer arranged on the outer surfaces of the first telescopic assembly and the second telescopic assembly.
Preferably, the first telescopic assembly and the second telescopic assembly each comprise:
a plurality of first skeletons configured in a U-shaped structure, a second skeleton;
the first framework and the second framework are respectively connected to form a plurality of telescopic frames of the first telescopic assembly and the second telescopic assembly;
the first frameworks and the second frameworks are configured into hollow structures, and the bottoms of the first frameworks positioned on the sliding side are connected with the second frameworks in a pin joint mode.
A method of using the solar thermal solution regeneration system, comprising:
lifting the solution to be regenerated through the liquid separation component;
the solution to be regenerated in the lifting process is heated for the first time through the heat collecting component;
spraying the solution to be regenerated on the surface of the transmission drying assembly through a spray head in the liquid separation assembly, and heating for the second time to release corresponding crystallization products;
the crystallized product on the drive drying assembly is collected by a scraper.
The invention at least comprises the following beneficial effects: firstly, the invention solves the fundamental problem of non-ideal commercialization at present, namely the problem of non-ideal regeneration, of solar thermal regeneration through the heat collecting component, and improves the cost performance; the crystallization is generated in the regeneration process through the transmission drying component, so that energy storage is completed in an efficient crystal mode, and then the solution to be regenerated is subjected to primary heating through the heat collecting component and secondary heating through the transmission drying component, so that the crystallization is easier to release, two products of concentrated solution and solid crystallization are formed by changing the regeneration principle, and the obtained crystallization dehumidifier can be stored for a long time or carried for a large distance.
Secondly, the transmission drying component solves the problem that the traditional metal heating element is not corrosion-resistant by adopting plastic material heating on the solar thermal regeneration device, and simultaneously greatly reduces the energy grade required by solution regeneration by adopting a plastic capillary low-grade energy heating mode on the regeneration equipment.
Thirdly, the method of the invention by applying the solar thermal solution regeneration system can utilize renewable energy, mainly solar energy to prepare the dehumidifying solution for controlling the indoor air humidity so as to reduce the energy consumption required by regenerating the solution; meanwhile, the energy storage capacity of the solution can be utilized to store and carry solar energy in a chemical energy form for a long time.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic diagram of the constitution of a solar thermal solution regeneration system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a heating mechanism in another embodiment of the present invention;
FIG. 3 is a schematic view of a partial cross-sectional structure of a heating mechanism in another embodiment of the invention;
fig. 4 is a schematic structural view of a rain shielding apparatus according to another embodiment of the present invention.
Detailed Description
The present invention is described in further detail below with reference to the drawings to enable those skilled in the art to practice the invention by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Fig. 1 shows a solar thermal solution regeneration system according to the invention, comprising:
the tank body 1 is used for containing the solution to be regenerated, and meanwhile, the dehumidified dilute solution can be added into the solution of the uncrystallized part to be repeatedly circulated until crystallization;
a collector assembly 2 for converting solar energy into thermal energy;
a liquid separating component 3 arranged below the heat collecting component for lifting the solution to be regenerated in the tank body to heat;
the transmission drying assembly 4 is arranged below the liquid separation assembly and is spaced a preset distance;
the heat collection assembly, the liquid separation assembly and the transmission drying assembly are all configured to incline at a preset angle, and the heat collection assembly, the liquid separation assembly and the transmission drying assembly are used for receiving sunlight by adopting an inclined flat plate and enabling dilute solution to flow downwards uniformly, and the liquid separation assembly sprays the heated solution to be regenerated on the transmission drying assembly through a plurality of spray heads 5 arranged at preset intervals on the liquid separation assembly, so that the dilute solution can be distributed on an evaporation surface uniformly in a spray head spraying mode;
the drive direction of the drive drying assembly is configured to be opposite to the flow direction of the solution, the drive drying assembly is rotated upwards (downwards) by adopting a conveying belt, so that the dried crystal salt is continuously separated from an evaporation surface, a scraper 6 for scraping crystals 7 on the drive drying assembly into a preset container 8 is arranged at the drive output end of the drive drying assembly, the crystal salt is separated by the scraper at the top end of the conveying belt, and the crystals are collected in a powdery mode. By adopting the scheme, the solution regeneration equipment is designed into an inclined movement device similar to a belt conveyor belt, and meanwhile, a plastic capillary heating surface is additionally arranged below the solution regeneration equipment, so that solution heating is simultaneously carried out from above and below, the solution concentration and crystallization capacities are improved, and meanwhile, the temperature of a heating source is reduced, so that the solar heating regeneration efficiency is improved;
after the dilute solution spraying mode is adopted, the movement direction (upward) of the inclined conveyor belt and the flow direction (downward) of the solution are opposite. The solution flowing downwards returns to the solution tank at the bottom, is lifted into the solution distribution system again by the solution pump, is repeatedly sprayed on the conveying belt, and in the heating process, the water in the solution is continuously evaporated to be separated from the solution and is taken away by circulating air;
a scraper blade at the top of the conveyor belt continuously scrapes the crystallized salt on the conveyor belt off the conveyor belt and is collected in a container. The invention solves the fundamental problem of non-ideal commercialization at present, namely the problem of non-ideal regeneration, of solar thermal regeneration through the heat collection component, and improves the cost performance; the crystallization is generated in the regeneration process through the transmission drying component, so that energy storage is completed in an efficient crystal mode, and then the solution to be regenerated is heated for the first time through the heat collecting component and is heated for the second time through the transmission drying component, so that the crystallization is easier to release, two products of concentrated solution and solid crystallization are formed through changing the regeneration principle, and the obtained crystallization dehumidifier can be stored for a long time or carried for a large distance, and has the advantages of good implementation effect, strong operability, good stability and good adaptability. And this is merely illustrative of a preferred embodiment and is not limited thereto. In practicing the present invention, appropriate substitutions and/or modifications may be made according to the needs of the user.
In another example, the heat collection assembly is configured as a solar collector cover plate. The scheme is adopted to realize the utilization of solar energy through the solar heat collection cover plate, so that the energy-saving and environment-friendly effects of the regeneration system can meet the use and environment-friendly requirements, and the method has the advantages of good implementation effect, strong operability, good adaptability, energy conservation and environment friendliness. And this is merely illustrative of a preferred embodiment and is not limited thereto. In practicing the present invention, appropriate substitutions and/or modifications may be made according to the needs of the user.
As shown in fig. 1, in another example, the liquid separation assembly includes:
a lifting pump 9 arranged in the tank body and used for lifting the solution to be regenerated in the tank body into the liquid separating component so as to enable the solar heat collecting plate to heat the solution for the first time;
the liquid separating pipes 11 are arranged on the heat collecting component at intervals of another preset distance and are used for absorbing heat transmitted by the solar heat collecting component;
lifting pipes (not shown) connected to the lifting pump and the liquid-dividing pipes, respectively, for lifting the solution to be regenerated into the liquid-dividing pipes;
wherein, each spray head is respectively arranged on the liquid distribution pipe, which makes it possible for the spray heads to spray paint evenly to the surface of the transmission drying component so as to make the transmission drying component pass through. By adopting the scheme, the solar energy is fully utilized to the regeneration system, so that the regeneration system has the advantages of good implementation effect, strong operability and strong adaptability. And this is merely illustrative of a preferred embodiment and is not limited thereto. In practicing the present invention, appropriate substitutions and/or modifications may be made according to the needs of the user.
As shown in fig. 1, in another example, the driven drying assembly includes:
the transmission belt 10 is provided with grains capable of containing crystals, and the transmission belt is provided with grains capable of containing crystals so as to facilitate the transmission of the crystals;
the heating mechanism 12 is arranged below the conveyor belt and keeps a preset distance with the conveyor belt, and then an evaporation surface is formed on the surface of the conveyor belt, and the heating surface formed by plastic capillaries is arranged below the conveyor belt to uniformly heat the conveyor belt, so that the crystallization rate is increased. By adopting the scheme, the uncrystallized concentrated solution continuously flows downwards in the heating process, and the crystallized salt crystallized on the surface of the conveyor belt is brought upwards through the lines on the conveyor belt, so that the solution to be regenerated can be regenerated in a regeneration system in a two-stage heating mode, the regeneration effect is better, the energy-saving effect is stronger, and the method has the advantages of good implementation effect, strong operability and strong adaptability. And this is merely illustrative of a preferred embodiment and is not limited thereto. In practicing the present invention, appropriate substitutions and/or modifications may be made according to the needs of the user.
As shown in fig. 2-3, in another example, the heating mechanism is configured as a capillary heating mechanism coupled to a water circulation waste heat recovery system;
the capillary heating mechanism includes:
a pair of dry pipes (not shown) connected to the water circulation waste heat recovery system;
a plurality of plastic capillary tubes 13 disposed between the pair of dry tubes so as to communicate therewith;
a plastic heat conducting fin 14 for accommodating each plastic capillary tube;
the plastic heat conducting blade is provided with a heat conducting layer 15 for limiting and conducting heat to the plastic capillary tube, and the heat conducting layer is used for rapidly transferring heat generated by the heating mechanism to the driving belt so as to rapidly heat the second stage, and the regeneration efficiency is improved. According to the scheme, the problem that the traditional metal heating element is not corrosion-resistant is solved by adopting plastic material heating on the solar thermal power regeneration device, and meanwhile, the energy grade required by solution regeneration is greatly reduced by adopting a plastic capillary low-grade energy heating mode on the regeneration equipment, so that the method has the advantages of good implementation effect, strong operability and good stability. And this is merely illustrative of a preferred embodiment and is not limited thereto. In practicing the present invention, appropriate substitutions and/or modifications may be made according to the needs of the user.
In another example, the drive drying assembly further comprises a screen or cover plate (not shown) with apertures disposed over the drive belt, which functions to avoid contamination of the solution by providing a microporous cover plate (screen) over the evaporation surface. The scheme has the advantages of good implementation effect, strong operability and good stability. And this is merely illustrative of a preferred embodiment and is not limited thereto. In practicing the present invention, appropriate substitutions and/or modifications may be made according to the needs of the user.
As shown in fig. 4, in another example, further includes:
the rain shelter device 16 for automatically shielding the components of the solar thermal solution regeneration system in rainy days is used for avoiding pollution by automatically shielding equipment in rainy days. By adopting the scheme, all components of the regeneration system are protected under different working environments, so that the regeneration system can be always in an excellent working state, and the method has the advantages of automation, humanization and good implementation effect. And this is merely illustrative of a preferred embodiment and is not limited thereto. In practicing the present invention, appropriate substitutions and/or modifications may be made according to the needs of the user.
As shown in fig. 4, in another example, the rain shielding apparatus includes:
a control mechanism 17;
a rain sensor 18 communicatively coupled to the control mechanism for monitoring the operating environment, which is limited to a rain sensor, and may include environmental sensing devices such as temperature sensors, etc.;
a shielding component 19 arranged at one side of the solar thermal solution regeneration system and used for protecting each component in the regeneration system in a severe working environment so as to prolong the working life and prevent the corrosion of the component equipment by the severe working environment;
an actuator 20 electrically connected to the shutter assembly for pushing or pulling back the shutter assembly to cause it to shutter or reveal the devices in the regeneration system;
the actuating mechanism is in communication connection with the control mechanism and is used for controlling the working state of the actuating mechanism under the action of a control signal, the shielding assembly comprises a first telescopic assembly capable of sliding along the preset direction of the mounting surface and used for shielding internal equipment of the regeneration system in the horizontal direction, a second telescopic assembly arranged at one end of the first telescopic assembly and used for shielding the internal equipment of the regeneration system in the vertical direction, and a waterproof shielding layer arranged on the outer surfaces of the first telescopic assembly and the second telescopic assembly. The scheme has the advantages of good implementation effect, strong operability, good stability, high intelligent degree and long service life of equipment. And this is merely illustrative of a preferred embodiment and is not limited thereto. In practicing the present invention, appropriate substitutions and/or modifications may be made according to the needs of the user.
As shown in fig. 4, in another example, the first telescoping assembly and the second telescoping assembly each include:
a plurality of first skeletons 21 and second skeletons 22 configured in a U-shaped structure;
a plurality of expansion brackets 23 for respectively connecting the first and second frames to form a first and second expansion assemblies;
the first frameworks and the second frameworks are configured into hollow structures, the hollow structures are used for reducing the dead weight of equipment so that the equipment can perform more smooth actions, the shielding speed is more excellent, the used power is smaller, and the bottoms of the first frameworks on the sliding side are connected with the second frameworks in a pin joint mode. The telescopic assembly is limited by adopting the scheme, so that the telescopic assembly has the advantages of excellent adaptability and better stability. And this is merely illustrative of a preferred embodiment and is not limited thereto. In practicing the present invention, appropriate substitutions and/or modifications may be made according to the needs of the user.
The object of the invention is achieved by a method for applying said solar thermal solution regeneration system, comprising:
lifting the solution to be regenerated through the liquid separation component;
the solution to be regenerated in the lifting process is heated for the first time through the heat collecting component;
spraying the solution to be regenerated on the surface of the transmission drying assembly through a spray head in the liquid separation assembly, and heating for the second time to release corresponding crystallization products;
the crystallized product on the drive drying assembly is collected by a scraper. In the solution regeneration cycle adopting the scheme, a solution pump continuously pumps dilute solution from the upper part of a solution tank and conveys the dilute solution to a solution distribution system; while the solution flowing downwards through the conveyor belt has lost part of the water and is concentrated under the effect of thermal regeneration. After the part of concentrated solution flows back into the solution tank, the part of concentrated solution can sink into the bottom of the solution tank due to the larger specific gravity; the solution collected from the bottom will have a higher concentration; in order to improve crystallization capability, the concentration of the extracted solution of the solution circulating system can be controlled, and the method is to change the position of a suction inlet of the circulating system in the solution tank, wherein the position of the suction inlet is closer to the bottom, and the concentration of the solution is larger. And this is merely illustrative of a preferred embodiment and is not limited thereto. In practicing the present invention, appropriate substitutions and/or modifications may be made according to the needs of the user.
The equipment proposal provided by the invention can convert solar energy into concentrated solution in a high-temperature region in the south, thereby realizing high-density and cross-season solar energy storage and greatly reducing the dehumidification energy consumption accounting for more than 50% of huge air conditioning energy consumption in summer in the high-temperature and high-humidity region in the south.
Since the apparatus is designed with crystalline salt storage properties, solution regeneration, storage, handling and dehumidification applications can be separated in time and place, which would be of paramount importance for solar dehumidification utilization. Because the dehumidification demands in summer mostly occur in overcast and rainy seasons, the solar energy collection, transportation, storage and use cannot be performed simultaneously due to the fact that the solar energy is scarce in time period. Besides, the energy demand density of dehumidification is not proportional to the energy density of solar energy, and the day-night intermittence of solar energy also makes dehumidification not completely dependent on the solar energy collected in real time. While the cost of the supplemental heat will often completely offset the advantages of the renewable energy device.
After the device is adopted, due to the design of crystalline salt collection, the regenerated product of the solution becomes the crystalline salt with the energy storage density far higher than that of the solution, and meanwhile, the crystalline salt also has the capability of long-term storage and long-distance transportation as chemical energy converted from solar energy. This allows the solar solution regeneration to be operated without time and place restrictions for dehumidification purposes, such as the preparation of crystalline salts in large quantities during the period of time when the solar energy supply is sufficient in spring but no corresponding load occurs, and then stored for use in summer high temperature and high humidity seasons and overcast and rainy seasons. The same crystallization of the solution can also be accomplished at a location remote from the user, and the dehumidification capacity can be delivered to the desired location by delivering the crystallized salt.
In the case of fully utilizing this approach to convert solar energy into crystalline salts, the crystalline salts become a "secondary energy" that stores solar energy in a chemical energy manner: the method can be used for relieving the peak electricity consumption in summer of a large number of cities in China at present. The crystalline salt is prepared in a large amount in spring and summer or other occasions convenient for collecting solar energy, and the dehumidification energy consumption is greatly reduced in high-temperature and high-humidity seasons, so that a considerable economic effect is brought.
Meanwhile, the principle of the device adopting solar energy is that the low-grade heat provided by the solar energy is actually utilized, and the utilization of the low-grade heat is also valuable in other occasions, such as waste heat and waste heat of factories. For various thermal power plants which cannot exert effect in summer due to limiting of the thermoelectric ratio and a large amount of waste heat generated in summer in the production process, the thermal power plants are used for preparing crystalline salt and storing for a long time, so that the initial energy consumption is reduced in peak electricity consumption in summer, and great economic value is brought.
The number of equipment and the scale of processing described herein are intended to simplify the description of the present invention. The application, modification and variation of the solar thermal solution regeneration system and method of use of the present invention will be apparent to those skilled in the art.
Although embodiments of the invention have been disclosed above, they are not limited to the use listed in the specification and embodiments. It can be applied to various fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. Therefore, the invention is not to be limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (6)
1. A solar thermal solution regeneration system, comprising:
a tank for containing a solution to be regenerated;
a heat collection assembly for converting solar energy into thermal energy;
the liquid separating component is arranged below the heat collecting component and used for lifting the solution to be regenerated in the tank body to heat;
the transmission drying assembly is arranged below the liquid separation assembly and is spaced a preset distance;
the heat collection assembly, the liquid separation assembly and the transmission drying assembly are all configured to incline by a preset angle, and the liquid separation assembly sprays the solution to be regenerated after being heated in the liquid separation assembly onto the transmission drying assembly through a plurality of spray heads arranged on the liquid separation assembly at preset distances;
the transmission direction of the transmission drying component is opposite to the flow direction of the solution, and the transmission output end of the transmission drying component is provided with a scraping plate for scraping crystals on the transmission drying component into a preset container;
the drive drying assembly includes:
the transmission belt is provided with grains capable of containing crystals;
the heating mechanism is arranged below the driving belt and keeps a preset distance with the driving belt, so that an evaporation surface is formed on the surface of the driving belt;
the heating mechanism is configured as a capillary heating mechanism connected with the water circulation waste heat recovery system;
the capillary heating mechanism includes:
a pair of dry pipes connected with the water circulation waste heat recovery system;
a plurality of plastic capillary tubes disposed between the pair of dry tubes so as to communicate therewith;
plastic heat conducting blades for accommodating plastic capillaries;
wherein, the plastic heat conduction blade is provided with a heat conduction layer for limiting and conducting heat to the plastic capillary tube;
the transmission drying component also comprises a gauze or a cover plate with an aperture, wherein the gauze is arranged above the transmission belt;
the method also comprises the application method of the solar thermal solution regeneration system:
lifting the solution to be regenerated through the liquid separation component;
the solution to be regenerated in the lifting process is heated for the first time through the heat collecting component;
spraying the solution to be regenerated on the surface of the transmission drying assembly through a spray head in the liquid separation assembly, and heating for the second time to release corresponding crystallization products;
collecting the crystallized product on the drive drying assembly by a scraper;
in the solution regeneration cycle, a solution pump continuously pumps the dilute solution from the upper part of the solution tank and conveys the dilute solution to a solution distribution system; the solution flowing downwards through the conveyor belt loses part of moisture under the action of thermal regeneration and is concentrated, and after the part of concentrated solution flows back into the solution tank, the solution can sink into the bottom of the solution tank due to the larger specific gravity, so that the solution collected from the bottom has higher concentration; by changing the position of the suction port of the circulation system in the solution tank, the closer the suction port is to the bottom, the greater the concentration of the solution is, so that the crystallization capacity is improved by controlling the concentration of the solution extracted by the solution circulation system.
2. The solar thermal solution regeneration system of claim 1, wherein the heat collection assembly is configured as a solar heat collection cover plate.
3. The solar thermal solution regeneration system of claim 1, wherein the liquid separation assembly comprises:
a lift pump arranged in the tank body;
a plurality of liquid separating pipes arranged on the heat collecting assembly at intervals of another preset distance;
a lifting pipeline connected with the lifting pump and the liquid separating pipe respectively;
wherein, each shower nozzle sets up respectively on the branch liquid pipe.
4. The solar thermal solution regeneration system of claim 1, further comprising:
the rain shelter device is used for automatically shielding all parts of the solar thermal solution regeneration system in a rainy day.
5. The solar thermal solution regeneration system of claim 4, wherein the rain shield comprises:
a control mechanism;
a rainfall sensor in communication with the control mechanism;
the shielding component is arranged at one side of the solar thermal solution regeneration system;
the actuating mechanism is electrically connected with the shielding assembly;
the actuating mechanism is in communication connection with the control mechanism, the shielding assembly comprises a first telescopic assembly capable of sliding along the preset direction of the mounting surface, a second telescopic assembly arranged at one end of the first telescopic assembly, and a waterproof shielding layer arranged on the outer surfaces of the first telescopic assembly and the second telescopic assembly.
6. The solar thermal solution regeneration system of claim 5, wherein the first telescoping assembly and the second telescoping assembly each comprise:
a plurality of first skeletons configured in a U-shaped structure, a second skeleton;
the first framework and the second framework are respectively connected to form a plurality of telescopic frames of the first telescopic assembly and the second telescopic assembly;
the first frameworks and the second frameworks are configured into hollow structures, and the bottoms of the first frameworks positioned on the sliding side are connected with the second frameworks in a pin joint mode.
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