CN1131359C - Adsorption air water-intaking equipment - Google Patents
Adsorption air water-intaking equipment Download PDFInfo
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- CN1131359C CN1131359C CN 01113490 CN01113490A CN1131359C CN 1131359 C CN1131359 C CN 1131359C CN 01113490 CN01113490 CN 01113490 CN 01113490 A CN01113490 A CN 01113490A CN 1131359 C CN1131359 C CN 1131359C
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Abstract
一种吸附式空气取水装置，吸附床与冷凝器相通，冷凝器与净水系统相通，净水系统连接储水器，采用硅胶/氯化钙混合物作为吸附剂，吸附床内布有管状加热装置和传热肋片，冷凝器外表面布有传热肋片强化冷凝作用，吸附床的出入口接有控制器。本发明利用吸附式制冷原理实现空气取水过程，利用控制器对系统的吸附/解吸过程进行控制，可实现一日多次循环，具有较高的取水效率。本发明可利用太阳能、电能、废热及其它各种能源。
An adsorption type air water intake device, the adsorption bed is connected to the condenser, the condenser is connected to the water purification system, the water purification system is connected to the water storage, the silica gel/calcium chloride mixture is used as the adsorbent, and the adsorption bed is equipped with a tubular heating device and heat transfer fins, the outer surface of the condenser is covered with heat transfer fins to enhance condensation, and the inlet and outlet of the adsorption bed are connected with a controller. The invention utilizes the principle of adsorption refrigeration to realize the air water intake process, uses a controller to control the adsorption/desorption process of the system, can realize multiple cycles a day, and has high water intake efficiency. The present invention can utilize solar energy, electric energy, waste heat and other various energy sources.
Description
What the present invention relates to is a kind of adsorption air water-intaking equipment, adopts compound suction-operated to realize the air water-intaking process, belongs to fresh water and obtains the technology type field.
Along with Increase of population, the transition of weather and the deterioration of environment, the water supply problem becomes more and more outstanding.Local industry, agricultural and the human lives demand to water can't have been satisfied in many in the world areas.
At present, do not having the contaminated area in underground water, seawater or water source, the water supply problem mainly transports solution by the other places, but on the one hand owing to climatic deterioration, environment pollution, the available water resource is in continuous minimizing; On the other hand, because it is higher to transport cost, cause its remote or very difficult realization of economic backward area in the geographical position.For stable society, develop the economy and uplift the people's living standard, it is extremely urgent to take efficient ways to solve the water supply problem.
Earth atmosphere can be described as a huge reservoir, even desert area, its water content also surpasses 10g/m
3Because migration and ternary the conversion are taken place for the effect of centrifugal force and sun heat radiation, the water of earth surface, causing atmosphere is the terminal of surface water circulation forever.According to the conservation of mass of water, along with air themperature raises, surface water capacity can reduce because of evaporation, but the absolute moisture content of air is increasing.Therefore, under the situation that does not have face of land freshwater resources or freshwater resources to be polluted, air just becomes the main source that we obtain fresh water.
In the existing device for fetching water from air technology, have a header tank is installed in air-conditioner, the water collection of output existed in the water tank when evaporimeter in the air-conditioner was freezed, and then just can be used as drinking water from the water tank outflow.The operating principle of this device for fetching water from is: during energising, the air-conditioner refrigeration, its evaporator temperature is lower, and ambient air temperature is higher, when evaporator temperature was lower than the dewpoint temperature of ambient air, airborne steam just can be at the surface sweating of evaporimeter and is produced aqueous water.This method needs kind of refrigeration cycle that cold is provided, so cost is higher, and efficiency of producing drinking water is lower, if consider the double evaporation-cooling of water again, its water withdrawal will be still less.
The CHOU Qiao Li of Chinese University of Science and Technology has applied for a kind of solar energy device for fetching water from air utility model patent (Chinese patent: 94209217.1) with device for fetching water from air utility model patent (Chinese patent: 93201730.4), be made of water fetching device and Salar light-gathering cover.Water fetching device comprises diffuser or heat absorption wall, adsorbent bed, air-cooled condenser or phase change cold-storage condenser, water storing vessel and water intaking pipeline etc.Though this utility model has realized conversion and the collection of water in air steam to condensed state fresh water, solved the problem of obtaining fresh water in ocean and desert area, avoided because all difficulties that the fresh water transport point brings, but on the one hand, this device can only utilize wind energy and solar energy to be used as power; On the other hand, this device uses the adsorbance of adsorbent lower, and efficiency of producing drinking water is lower; Also have, this device one day can only circulation primary, and when water requirement was big, equipment was comparatively complicated, and cost is higher.
W.E.Conrad (United States Patent (USP): US6156102) with N.P.Clarke (United States Patent (USP): US5233843) propose to utilize the absorption of liquid drier to realize the air water-intaking process.But liquid drier is polluted easily, and environment temperature can not use when being lower than the liquid drier freezing point, and its equipment is comparatively huge simultaneously.
The objective of the invention is to overcome the above-mentioned deficiency of prior art, a kind of new adsorption air water-intaking equipment is provided, can realize repeatedly circulation on the one, improve efficiency of producing drinking water.
For realizing such purpose, in technical scheme of the present invention, adopt a kind of new solid absorbent to carry out air water-intaking.As everyone knows, relative humidity was at 80% o'clock, the equilibrium adsorption capacity of silica gel is the dried silica gel of 34%g water/g, the equilibrium adsorption capacity of molecular sieve is 22%g water/g stem molecule sieve, and the equilibrium adsorption capacity of silica gel/calcium chloride mixture can reach 50%～70%g water/g dry mixture, as seen under the same conditions, use silica gel/calcium chloride mixture can improve the efficiency of producing drinking water of water fetching device effectively as adsorbent.Thus, the present invention is according to the absorption type refrigerating principle, adopt silica gel and calcium chloride as adsorbent, utilize the physical absorption of silica gel to steam, calcium chloride is to the Physical Absorption effect to steam of the chemisorbed of steam and calcium chloride saturated aqueous solution, and the condensation by condenser realizes water intaking in a large number from air.
Adsorption air water-intaking equipment of the present invention is made of adsorbent bed, firing equipment, condenser, water cleaning systems, water receiver etc.
Water intaking process of the present invention is divided two stages: in absorption phase, open adsorbent bed, adsorbent fully contacts with humid air, utilizes natural wind to make the airborne steam of adsorbents adsorb; In desorption phase, the sealing adsorbent bed, opening valve makes adsorbent bed communicate with condenser by pipeline, condenser is connected with water cleaning systems by pipeline, water cleaning systems communicates with water receiver, utilize firing equipment that adsorbent bed is heated to carry out desorb, the steam of separating sucking-off becomes aqueous water inflow water collector after water cleaning systems purifies by condenser condenses.
For strengthening conducting heat in the bed, temperature is even in the maintenance bed, is furnished with the heat transfer fin in the adsorbent bed among the present invention.
Condenser among the present invention adopts air cooled condenser.The condenser external surface is furnished with the heat transfer fin, and during absorption, dry back air flows in condenser, and ambient air flows outside condenser to reduce the temperature of condenser; During desorb, steam flows in pipe, and air flows outside pipe, takes away the latent heat of vaporization of steam in the mode of natural convection.
The present invention is simple in structure, adopts controller that the adsorption/desorption process is controlled, and can realize repeatedly circulation on the one, has further increased water withdrawal, reaches the high purpose of efficiency of producing drinking water.
The present invention adopts special water cleaning systems that the aqueous water that extracts is carried out clean water treatment, makes it to reach drinking water standard, satisfies human being's production, living needs.Heater of the present invention can adopt solar energy, electric energy, used heat or other heat energy, has versatility.
Below in conjunction with accompanying drawing technical scheme of the present invention is described further.
Fig. 1 is a structural representation of the present invention.
As shown in the figure, adsorption air water-intaking equipment of the present invention is made up of adsorbent bed 1, heater 2, controller 9, condenser 14, water cleaning systems 12, water receiver 11 etc.Adsorbent bed 1 communicates with condenser 14 by pipeline 17, and condenser 14 communicates with water cleaning systems 12 by pipeline, and water cleaning systems 12 connects water receiver 11, and silica gel/calcium chloride mixture adsorbent 4 is housed in the adsorbent bed 1.In order to strengthen the diabatic process in the bed, be furnished with the heater 2 and the heat transfer fin 5 of tubulose in the adsorbent bed 1.In order to strengthen the condensation of condenser 14, the external surface of condenser 14 is furnished with heat transfer fin 15.
In order to improve efficiency of producing drinking water, in time realize the conversion of absorption/resolving, be connected to controller 9 in the access of adsorbent bed 1, in running, controller 9 adsorbs/resolving control by the information of damp and hot sensor, thereby realizes repeatedly circulation on the one.In order to accelerate to adsorb/the carrying out of resolving, in absorption phase, cold MEDIA FLOW is crossed tubular heating device 2 reduces the temperature of adsorbent bed 1 as early as possible, thereby accelerates the carrying out of adsorption process.In desorption phase, thermal medium flows through heater 2 raises the temperature of adsorbent bed 1 as early as possible, thereby accelerates the carrying out of desorption process.
Adsorption air water-intaking equipment of the present invention is work like this: in absorption phase, cold medium enters heater 2 from heater inlet 3, under the effect of heat transfer fin 5 adsorbent 4 is cooled off the back and leaves from heater outlet 6.Simultaneously, valve 8,10,16 is opened, and humid air is divided into two strands through valve 8 after entering system: one humid air enters that adsorbent bed 1 is adsorbed agent 4 adsorbed water steams after pipeline 17, valve 16 leave system through piping 7; Another strand humid air enters 14 pairs of condensers 14 of condenser and cools off after valve 16 leaves system through valve 10, pipeline 13.In adsorption process, when the water capacity of adsorbent bed outlet humid air reaches certain certain value, controller 9 work, valve 8,10,16 is closed, and thermal medium replaces cold medium to enter 2 pairs of adsorbent beds 1 of heater heating, and desorption process begins.
In desorption phase, adsorbent bed 1 communicates with condenser 14 by pipeline 17, and condenser 14 communicates with water cleaning systems 12 by pipeline.Under the heat effect of heater 2, the temperature of adsorbent bed 1 raises, the steam generation desorb that is adsorbed, the steam of separating sucking-off enters condenser 14 by pipeline, become aqueous water after in condenser 14, discharging the latent heat of vaporization and enter in the water cleaning systems 12 and purify, enter after the purification in the water receiver 11.When the water vapour content in the system is lower than certain certain value, controller 9 work, cold medium replacement thermal medium enters 2 pairs of adsorbent beds 1 of heater and cools off, and valve 8,10,16 is opened, and adsorption process begins, and once water intaking process is finished.
Claims (4)
1, a kind of adsorption air water-intaking equipment, comprise adsorbent bed (1), condenser (14), water cleaning systems (12), water receiver (11) etc., it is characterized in that: adsorbent bed (1) communicates with condenser (14) by pipeline (17), condenser (14) communicates with water cleaning systems (12), water cleaning systems (12) connects water receiver (11), silica gel/calcium chloride mixture adsorbent (4) is housed in the adsorbent bed (1), be furnished with tubular heating device (2) in the adsorbent bed (1), the access of adsorbent bed (1) is connected to controller (9).
2,, it is characterized in that being furnished with in the adsorbent bed (1) heat transfer fin (5) as the said adsorption air water-intaking equipment of claim 1.
3,, it is characterized in that the external surface of condenser (14) is furnished with heat transfer fin (15) as the said adsorption air water-intaking equipment of claim 1.
4,, it is characterized in that tubular heating device (2) can adopt solar energy or electric energy as the said adsorption air water-intaking equipment of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01113490 CN1131359C (en) | 2001-06-21 | 2001-06-21 | Adsorption air water-intaking equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01113490 CN1131359C (en) | 2001-06-21 | 2001-06-21 | Adsorption air water-intaking equipment |
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| Publication Number | Publication Date |
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| CN1321815A CN1321815A (en) | 2001-11-14 |
| CN1131359C true CN1131359C (en) | 2003-12-17 |
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| CN 01113490 Expired - Fee Related CN1131359C (en) | 2001-06-21 | 2001-06-21 | Adsorption air water-intaking equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100400755C (en) * | 2006-01-20 | 2008-07-09 | 天津商业大学 | Intermittent solar adsorption refrigeration air water intake device |
| CN109594612A (en) * | 2019-01-10 | 2019-04-09 | 浙江大学 | External-heat small air water fetching device and method based on absorption |
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| CN102145248A (en) * | 2011-01-26 | 2011-08-10 | 烟台大学 | Efficient adsorbent for taking water from air |
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| CN106013330B (en) * | 2016-06-27 | 2019-06-21 | 上海交通大学 | Air intake system |
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| CN109281353A (en) * | 2018-11-27 | 2019-01-29 | 中国人民解放军第四军医大学 | A device and method for taking water from air |
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| CN113480062B (en) * | 2021-06-30 | 2022-10-11 | 山东大学 | An integrated device and method for air intake and water purification |
| CN113914417B (en) * | 2021-11-19 | 2023-09-22 | 浙江理工大学 | An adsorption air water extraction experimental device and its use method |
| CN116550290B (en) * | 2023-04-24 | 2024-05-03 | 浙江大学温州研究院 | Calcium chloride cluster anchored MOFs derived porous adsorbent and preparation method and application thereof |
| CN118370175A (en) * | 2024-05-24 | 2024-07-23 | 武汉大学 | An ecosystem combining light, electricity, water and crops |
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2001
- 2001-06-21 CN CN 01113490 patent/CN1131359C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100400755C (en) * | 2006-01-20 | 2008-07-09 | 天津商业大学 | Intermittent solar adsorption refrigeration air water intake device |
| CN109594612A (en) * | 2019-01-10 | 2019-04-09 | 浙江大学 | External-heat small air water fetching device and method based on absorption |
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| Publication number | Publication date |
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| CN1321815A (en) | 2001-11-14 |
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