CN120132566A - Ultrasonic gas-liquid purification device and working method thereof - Google Patents
Ultrasonic gas-liquid purification device and working method thereof Download PDFInfo
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- CN120132566A CN120132566A CN202510452350.XA CN202510452350A CN120132566A CN 120132566 A CN120132566 A CN 120132566A CN 202510452350 A CN202510452350 A CN 202510452350A CN 120132566 A CN120132566 A CN 120132566A
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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
- B01D53/14—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 by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
- B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
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Abstract
The invention is suitable for the technical field of ultrasonic gas-liquid purification, and provides ultrasonic gas-liquid purification equipment and a working method thereof, the ultrasonic gas-liquid purification equipment comprises a mounting assembly, the top of the mounting assembly is provided with a gas outlet, the side wall of the mounting assembly is provided with a gas inlet, the inside of the mounting assembly is provided with an absorption assembly, the absorption assembly is communicated with the gas inlet, one side of the absorption assembly is provided with a liquid inlet assembly, the bottom of the absorption assembly is provided with a liquid collecting tank, one side of the liquid collecting tank is provided with a liquid outlet assembly, the liquid outlet assembly is communicated with the liquid collecting tank, the absorption assembly comprises a mixing cavity, three groups of ultrasonic mechanisms are uniformly arranged in the mixing cavity, and the bottom of the mixing cavity is provided with a flow guide pipe.
Description
Technical Field
The invention relates to the technical field of ultrasonic gas-liquid purification, in particular to ultrasonic gas-liquid purification equipment and a working method thereof.
Background
The gas-liquid purification is a technology for treating a gas-liquid mixture to remove impurities, pollutants, oil-containing substances and the like, and generally adopts an absorption tower which is used in a gas-liquid absorption process to enable gas to fully contact with liquid so as to realize the absorption of pollutants in the gas.
At present, the working process of the absorption tower comprises the steps that gas containing pollutants enters the absorption tower from an air inlet, liquid is sprayed from the tower top and contacts with ascending gas at a mixing position in the tower, the pollutants in the gas contact with the liquid at the mixing position and are absorbed through physical absorption or chemical reaction, purified gas after absorption treatment is discharged from the tower top, and the absorbed liquid with the pollutants flows into the tower bottom and can be recycled after regeneration or treatment, and the purification treatment of waste gas can be completed through the process.
However, in the working process of the existing absorption tower, pollutants in waste gas are purified mainly through mixing absorption liquid and gas, but dust, impurities, oil-containing substances and the like may be contained in the waste gas, in addition, some indissolvable substances may be generated in the mixing process of the waste gas and the absorption liquid, and the impurities or indissolvable substances may form scaling and blockage at the mixing position, the pipeline and other parts in the tower, so that the resistance of a system is increased, the gas-liquid passing capacity is reduced, the absorption effect is influenced, the problems of local overheating, corrosion and the like of equipment are possibly caused, and the ultrasonic gas-liquid purifying equipment and the working method thereof are provided to improve the existing problems.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide ultrasonic gas-liquid purifying equipment and a working method thereof.
In order to achieve the purpose, the ultrasonic gas-liquid purifying device comprises a mounting assembly, wherein the top of the mounting assembly is provided with a gas outlet, the side wall of the mounting assembly is provided with a gas inlet, an absorption assembly is arranged in the mounting assembly and is communicated with the gas inlet, one side of the absorption assembly is provided with a liquid inlet assembly, the bottom of the absorption assembly is provided with a liquid collecting tank, one side of the liquid collecting tank is provided with a liquid outlet assembly, and the liquid outlet assembly is communicated with the liquid collecting tank.
The installation component includes the mounting bracket and sets up in the defogging structure at mounting bracket top.
The liquid inlet component comprises a mixing tube group and a cleaning tube group arranged above the mixing tube group.
The absorption assembly comprises a mixing cavity, three groups of ultrasonic mechanisms are uniformly arranged in the mixing cavity, and a flow guide pipe is arranged at the bottom of the mixing cavity.
By adopting the technology, in the gas-liquid mixing process, the ultrasonic transducer emits ultrasonic waves, the turbulence degree of a gas-liquid interface can be enhanced by the vibration effect of the ultrasonic waves, the mass transfer resistance is reduced, the dissolution and diffusion of waste gas in liquid are promoted, meanwhile, the migration speed of solute in the liquid to the gas-liquid interface is accelerated, the gas-liquid mass transfer efficiency is improved, the transfer of pollutants from a gas phase to a liquid phase is facilitated for treatment, in addition, the deposition and growth of solid particles on the inner surface of a tank body can be prevented by the vibration of the ultrasonic waves, the scaling substances are difficult to attach, the effects of preventing scaling and blocking are achieved, the stable operation of a purifying device is maintained, and the maintenance cost and the downtime of equipment are reduced.
The invention further provides that the installation assembly further comprises a top plate, the top plate is arranged above the demisting structure, a top cover is arranged above the top plate, the top cover is in the shape of a prismatic table, the inside of the top cover is hollow, and the top cover is communicated with the air outlet.
The demisting device is further characterized in that a mounting frame is arranged below the demisting structure, an inclined plate is arranged in the mounting frame, the inclined plate is wedge-shaped, a liquid outlet is formed in the inclined plate, the liquid outlet is communicated with a liquid drain pipe, and the liquid drain pipe is communicated with a liquid collecting tank.
The demisting structure is further arranged to comprise a demisting plate, the demisting plate is corrugated, and a plurality of through holes are formed in the demisting plate.
Through the adoption of the technology, when mist airflow generated by ultrasonic purification meets the demisting plate in the flowing process, the airflow direction is changed, and liquid drops in the mist continuously move along the original direction due to the fact that the liquid drops in the mist have certain mass and inertia, so that the mist collides with the demisting plate, the mist can intercept the liquid drops, the liquid drops adhere to the demisting plate to realize gas-liquid separation, the separated purified air is discharged through the plurality of through holes, the surface area of the demisting plate is greatly increased due to the corrugated structure, meanwhile, the airflow flows along the corrugated shape when passing through the corrugated demisting plate, so that the airflow path becomes tortuous and complex, the residence time of the airflow in the demisting plate area is increased, the mist is enabled to have more time to act on the demisting plate, and on the other hand, the direction of the airflow is continuously changed, the liquid drops in the mist can more easily collide with the surface of the demisting plate due to inertia, the efficiency of inertial collision is improved, and the separation of the liquid drops from the airflow is facilitated.
The invention further provides that the liquid inlet assembly further comprises a liquid storage tank, the liquid storage tank is arranged in the mounting frame, a liquid inlet pipe is arranged above the liquid storage tank, the liquid inlet pipe is communicated with the liquid storage tank, and the liquid storage tank is powered by a water pump.
The invention is further characterized in that the cleaning tube group and the mixing tube group are respectively communicated with the liquid inlet pipe, a control valve is arranged at the communication part of the cleaning tube group and the liquid inlet pipe, the cleaning tube group is provided with a plurality of first spray heads, the mixing tube group is provided with a plurality of second spray heads, and the spraying directions of the first spray heads and the second spray heads are opposite.
The absorption assembly further comprises a tank body, wherein the tank body is hollow, the tank body is communicated with the air inlet, a swirl guide rail mechanism is arranged in the tank body, and the guide pipe is arranged above the swirl guide rail mechanism.
Through adopting above-mentioned technique, flow guide rail mechanism includes motor and helical blade, and spiral flow guide rail mechanism is provided power by the motor and drives helical blade rotation to further by helical blade drive gas spiral rise to gas-liquid mixing department, helical blade drives the spiral flow field that gas formed and can make gas more evenly distributed in the jar body, avoids gas to appear biasing or short circuit phenomenon.
The ultrasonic mixing device is further characterized in that the mixing cavity is arranged in the tank body, the reflecting plate is arranged on the inner side wall of the mixing cavity in a surrounding mode, and the ultrasonic mechanism sequentially penetrates through the reflecting plate and the mixing cavity.
Through adopting above-mentioned technique, through setting up the reflecting plate, can be with the ultrasonic wave reflection back mixing chamber that originally probably escapes, reduce the loss of ultrasonic wave to surrounding environment, thereby reduce the loss of ultrasonic energy, this helps improving the utilization efficiency of ultrasonic wave, make more energy be used for purifying process, can obtain better purifying effect under the same ultrasonic power, also can the energy saving simultaneously, in addition, the reflecting plate surface is the rugged setting, the rugged surface can make the ultrasonic wave take place the scattering when reflecting, no longer be simple specular reflection, ultrasonic wave can be to a plurality of direction reflection and propagation like this, can more evenly distribute in whole gas-liquid mixing space, reduce the blind area in the ultrasonic field, further improved reflection efficiency, ultrasonic purification's treatment efficiency is improved.
The invention is further characterized in that a liquid outlet pipe is arranged at the bottom of the tank body, one end of the liquid outlet pipe is communicated with the tank body, and the other end of the liquid outlet pipe is communicated with the liquid collecting tank.
Through adopting above-mentioned technique, jar body bottom sets up to the infundibulate to the export of infundibulate is linked together with the drain pipe, avoids the gathering of liquid in jar body through setting up the export of infundibulate, and the rethread sets up the drain pipe simultaneously and provides the passageway for the collection of liquid, is convenient for collect the absorption liquid after the use.
A method of operating an ultrasonic gas-liquid purification apparatus using an ultrasonic gas-liquid purification apparatus as described above, comprising the steps of:
s1, firstly, exhaust gas entering the absorption assembly from the air inlet rises in a rotational flow mode in the absorption assembly and reaches a gas-liquid mixing position.
S2, secondly, conveying the absorption liquid by the liquid inlet assembly, spraying the absorption liquid to the top of the absorption assembly, enabling the sprayed absorption liquid to contact with waste gas, and purifying the waste gas.
S3, discharging the purified gas from the gas outlet, collecting the treated absorption liquid through the liquid collecting tank, and discharging the collected liquid from the liquid outlet assembly.
In summary, the present application includes at least one of the following beneficial technical effects:
(1) Through setting up ultrasonic wave mechanism, the vibration effect of ultrasonic wave can strengthen the turbulence degree of gas-liquid interface, reduce mass transfer resistance, promote the dissolution and the diffusion of waste gas in liquid, thereby improved gas-liquid mass transfer efficiency, be favorable to pollutant such as oiliness material to dissolve and separate in transferring the liquid phase from the gaseous phase, in addition, the deposition and the growth of solid particle at jar internal surface can be prevented in the vibration of ultrasonic wave, make the scale deposit material be difficult to adhere to, thereby play the effect of preventing scale deposit and jam, maintain purifier's steady operation, reduce equipment's maintenance cost and down time.
(2) Through setting up the reflecting plate, can be with the ultrasonic wave reflection back mixing chamber that originally probably escapes, reduce the loss of ultrasonic wave to surrounding environment to reduce the loss of ultrasonic energy, this helps improving the utilization efficiency of ultrasonic wave, make more energy be used for purifying process, can obtain better purifying effect under the same ultrasonic power, also can the energy saving simultaneously.
(3) Through the corrugated demisting plate, when the airflow passes through the corrugated demisting plate, the airflow can flow along the corrugated shape, so that the airflow path becomes tortuous and complex, on the one hand, the residence time of the airflow in the demisting plate area is increased, more time is allowed for mist to act on the demisting plate, on the other hand, the direction of the airflow is continuously changed, liquid drops in the mist can be more easily impacted on the surface of the demisting plate due to inertia, the efficiency of inertial collision is improved, and the separation of the liquid drops from the airflow is facilitated.
(4) Through setting up the hang plate, the inclination angle design of wedge hang plate is favorable to the absorption liquid to flow naturally under the action of gravity, and the absorption liquid receives the component effect of gravity along the face direction on the face, can flow downwards along the incline direction, can flow to liquid outlet department from the position of hang plate fast effectively, and the absorption liquid is collected by the collecting vat again by liquid outlet department flow through the fluid-discharge tube, reduces the absorption liquid and gathers on the hang plate face, has improved the collection efficiency of absorption liquid.
Drawings
FIG. 1 is a schematic diagram of an ultrasonic gas-liquid purifying apparatus and a working method thereof in the present invention.
Fig. 2 is a front view of fig. 1 in the present invention.
Fig. 3 is an enlarged view of the area a in fig. 2 according to the present invention.
Fig. 4 is a schematic view of the explosive structure of fig. 1 according to the present invention.
Fig. 5 is a schematic view of a partial structure of fig. 1 in the present invention.
FIG. 6 is an enlarged view of the area B of FIG. 5 according to the present invention.
Figure 7 is a schematic view of the structure of an absorbent assembly in accordance with the present invention.
Fig. 8 is a top view of fig. 7 in accordance with the present invention.
Fig. 9 is a front view of fig. 7 in accordance with the present invention.
FIG. 10 is a schematic view of a mixing chamber according to the present invention.
Fig. 11 is a top view of fig. 10 in accordance with the present invention.
Fig. 12 is a front view of fig. 10 in accordance with the present invention.
Fig. 13 is a schematic view of the structure of the inclined plate in the present invention.
FIG. 14 is a schematic view of a demisting structure according to the present invention.
The reference numerals are 1, a mounting assembly, 11, a mounting rack, 12, a top plate, 13, a top cover, 14, a mounting frame, 15, a demisting structure, 151, a demisting plate, 152, a through hole, 16, an inclined plate, 17, a liquid outlet, 18 and a liquid discharge pipe;
2. An air outlet;
3. An air inlet;
4. A liquid outlet component;
5. A liquid inlet component; 51, a liquid storage tank, 52, a liquid inlet pipe, 53, a cleaning pipe group, 54 and a mixing pipe group;
6. An absorbent assembly; 61, a tank body, 62, a mixing cavity, 63, a reflecting plate, 64, an ultrasonic mechanism, 65, a rotational flow guide rail mechanism, 66, a liquid outlet pipe, 67 and a guide pipe;
7. a liquid collecting tank.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.
Referring to fig. 1-14, the present invention provides the following technical solutions:
First embodiment, referring to fig. 1, an ultrasonic gas-liquid purifying apparatus includes a mounting assembly 1, an air outlet 2 is provided at the top of the mounting assembly 1, an air inlet 3 is provided at the side wall of the mounting assembly 1, an absorption assembly 6 is provided in the mounting assembly 1, the absorption assembly 6 is communicated with the air inlet 3, a liquid inlet assembly 5 is provided at one side of the absorption assembly 6, a liquid collecting tank 7 is provided at the bottom of the absorption assembly 6, a liquid outlet assembly 4 is provided at one side of the liquid collecting tank 7, and the liquid outlet assembly 4 is communicated with the liquid collecting tank 7.
One side of the installation component 1 is also provided with a control component, the control component comprises a control panel and a control system, various control buttons are arranged on the control panel, and the control system performs corresponding processing mainly according to the received information.
The liquid outlet assembly 4 comprises a valve, a flowmeter and a liquid discharge pipeline, and the speed and the flow of liquid discharge can be controlled according to the requirement.
The exhaust gas purification treatment process is as follows:
Waste gas enters the absorption assembly 6 from the air inlet 3, and enters the absorption assembly 6, and the internal rotational flow of the absorption assembly 6 rises and reaches the gas-liquid mixing position, at this time, absorption liquid is conveyed and sprayed to the top of the absorption assembly 6 by the liquid inlet assembly 5, the sprayed absorption liquid is contacted with waste gas, and the waste gas is purified, the purified gas is discharged from the air outlet 2, the gas discharged from the air outlet 2 is required to be detected to meet environmental protection standards and then discharged into the atmosphere, the gas which does not meet the standards is required to be further purified and then discharged into the atmosphere, meanwhile, the treated absorption liquid is collected by the liquid collecting tank 7, the collected liquid is discharged by the liquid outlet assembly 4, and further treatment can be carried out when necessary, the treated absorption liquid can be repeatedly used, and the recycling rate of the absorption liquid is improved.
In the actual purification treatment process, a further design of the purification process, i.e. a targeted design of the corresponding purification device, is required.
Wherein, the installation component 1 provides firm support for whole equipment to having linked together air inlet 3 and gas outlet 2, the concrete structure of installation component 1 is as follows:
Referring to fig. 4, the installation assembly 1 includes a mounting frame 11, the installation assembly 1 further includes a top plate 12, a top cover 13 is disposed above the top plate 12, the top cover 13 is in a prismatic table shape, the top cover 13 is hollow, and the top cover 13 is communicated with the air outlet 2.
After the installation component 1 is designed, the liquid inlet component 5 is further required to be arranged greatly, the conveying flow of the absorption liquid is perfected, and the specific structure of the liquid inlet component 5 is as follows:
Referring to fig. 1-5, the liquid inlet assembly 5 includes a liquid storage tank 51, the liquid storage tank 51 is disposed in the mounting frame 11, a liquid inlet pipe 52 is disposed above the liquid storage tank 51, the liquid inlet pipe 52 is communicated with the liquid storage tank 51, and the liquid storage tank 51 is powered by a water pump.
Referring to fig. 1-5, the liquid inlet assembly 5 further includes a mixing tube set 54, the mixing tube set 54 is communicated with the liquid inlet tube 52, a control valve and a flow meter are disposed at a communication position of the mixing tube set 54 and the liquid inlet tube 52, the control valve and the flow meter can control the speed and flow rate of the absorption liquid, the mixing tube set 54 is provided with a plurality of second spray heads, the second spray heads are used for spraying the absorption liquid, the second spray heads are in hollow spiral shapes, the hollow spiral shapes can enable the liquid to form a spiral flowing track at an outlet of the spray heads, the liquid is enabled to be sprayed to the periphery uniformly, the liquid is fully contacted with the gas, mixing efficiency of the absorption liquid and the waste gas is improved, and oil-containing substances in the gas can be effectively dissolved and separated.
Can realize carrying and spraying the absorption liquid through setting up feed liquor subassembly 5, in addition, still need carry out corresponding design to absorption subassembly 6 accords with exhaust gas purification's demand, and absorption subassembly 6's specific structure is as follows:
referring to fig. 7-9, the absorption assembly 6 includes a tank 61, the tank 61 is hollow, and the tank 61 is communicated with the air inlet 3, a rotational flow guide rail mechanism 65 is disposed in the tank 61, the rotational flow guide rail mechanism 65 includes a motor and a helical blade, the rotational flow guide rail mechanism 65 is powered by the motor to drive the helical blade to rotate, and further the helical blade drives the gas to rise to the gas-liquid mixing position, the helical blade drives the gas to form a helical flow field, so that the gas can be distributed more uniformly in the tank 61, and the phenomenon of bias flow or short circuit of the gas is avoided.
Referring to fig. 7-9, a drain pipe 66 is disposed at the bottom of the tank 61, one end of the drain pipe 66 is communicated with the tank 61, the other end of the drain pipe 66 is communicated with the liquid collecting tank 7, the bottom of the tank 61 is funnel-shaped, a funnel-shaped outlet is communicated with the drain pipe 66, liquid is prevented from gathering in the tank 61 by the funnel-shaped outlet, and meanwhile, a channel is provided for liquid collection by the drain pipe 66, so that absorption liquid after use is collected conveniently.
The absorption liquid sprayed by the second spray head can be mixed with the exhaust gas to dissolve and separate pollutants, oil-containing substances and the like in the exhaust gas, but dust, impurities and the like may be contained in the exhaust gas, and in addition, some indissolvable substances may be generated in the mixing process of the exhaust gas and the absorption liquid, and the impurities or indissolvable substances may form scale and blockage at the mixing position, the pipeline and other parts in the tank 61, so that the resistance of the system is increased, the gas-liquid passing capacity is reduced, the absorption effect is influenced, and the problems of local overheating, corrosion and the like of equipment may be caused.
In order to solve the above-mentioned problems, it is necessary to further design the absorbent assembly 6.
Referring to fig. 7-12, the absorption assembly 6 further includes a mixing chamber 62, three groups of ultrasonic mechanisms 64 are uniformly disposed in the mixing chamber 62, and a flow guide pipe 67 is disposed at the bottom of the mixing chamber 62.
The ultrasonic mechanism 64 includes an ultrasonic generator, an ultrasonic transducer, and a drive circuit, and the ultrasonic mechanism 64 is monitored and controlled by a control system.
The ultrasonic transducer is a key element for realizing the mutual conversion of electric energy and ultrasonic vibration energy, and is generally made of piezoelectric ceramics and other materials, and when an alternating electric field is applied to the piezoelectric ceramics, the piezoelectric ceramics can generate mechanical vibration, so that ultrasonic waves are emitted, and the performance of the ultrasonic transducer directly influences parameters such as frequency, power, efficiency and the like of the ultrasonic waves.
An ultrasonic generator provides a source of energy for the ultrasonic transducer.
The driving circuit is used for providing a proper driving signal for the ultrasonic transducer, namely providing proper electric energy for the ultrasonic transducer, so that the ultrasonic transducer can work normally.
The flow guide pipe 67 is arranged above the cyclone guide rail mechanism 65, and the flow guide pipe 67 can enable gas to flow in a specific direction and a specific path before entering the mixing area, so that random diffusion and turbulence of fluid are avoided, the gas enters the mixing area in a more ordered state, and favorable conditions are created for subsequent uniform mixing.
The mixing tube set 54 is disposed above the mixing chamber 62, so that when the second nozzle sprays liquid, the gas and the liquid can be quickly mixed, thereby improving the gas-liquid mixing efficiency and the purifying efficiency.
In the gas-liquid mixing process, the ultrasonic transducer emits ultrasonic waves, the turbulence degree of a gas-liquid interface can be enhanced by the vibration effect of the ultrasonic waves, the mass transfer resistance is reduced, the dissolution and diffusion of waste gas in liquid are promoted, and meanwhile, the migration speed of solute in the liquid to the gas-liquid interface is accelerated, so that the gas-liquid mass transfer efficiency is improved, and the transfer of pollutants from a gas phase to a liquid phase for treatment is facilitated.
In addition, the ultrasonic vibration can prevent the deposition and growth of solid particles on the surface of the pipeline surrounding the tank 61, so that the scaling substances are difficult to adhere, thereby playing the roles of preventing scaling and blocking, maintaining the stable operation of the purifying device and reducing the maintenance cost and the downtime of equipment.
Although the ultrasonic wave can improve gas-liquid mixing efficiency, the ultrasonic wave can escape the mixing cavity 62 in the propagation process, in this gas-liquid purifying device, three groups of ultrasonic mechanisms 64 evenly encircle the inner wall of the mixing cavity 62 and are arranged, at this moment, the middle position of the adjacent ultrasonic mechanism 64 can produce the condition of ultrasonic escape, namely the ultrasonic wave exceeds the range of the mixing cavity 62, at this moment, the utilization rate of the ultrasonic wave is lower, and corresponding structures are further arranged for improving the utilization rate of the ultrasonic wave to solve the problem of ultrasonic wave escape.
Referring to fig. 7-12, a mixing chamber 62 is disposed inside the tank 61, a reflecting plate 63 is disposed around an inner side wall of the mixing chamber 62, and an ultrasonic mechanism 64 sequentially penetrates the reflecting plate 63 and the mixing chamber 62.
Through setting up reflecting plate 63, can be with the ultrasonic wave reflection back mixing chamber 62 that originally probably escapes, reduce the loss of ultrasonic wave to surrounding environment to reduce ultrasonic energy's loss, this helps improving ultrasonic utilization efficiency, makes more energy be used for purifying process, can obtain better purifying effect under the same ultrasonic power, also can the energy saving simultaneously.
In addition, the surface of the reflecting plate 63 is provided with the irregularities, and the irregularities can scatter ultrasonic waves during reflection, so that the ultrasonic waves can be reflected and spread in multiple directions, the ultrasonic waves can be more uniformly distributed in the whole gas-liquid mixing space, blind areas in an ultrasonic field are reduced, the reflection efficiency is further improved, and the treatment efficiency of ultrasonic purification is improved.
In the second embodiment, the gas-liquid mixing efficiency can be improved by ultrasonic purification, and the scaling and blocking possibility can be reduced, but during ultrasonic purification, the ultrasonic wave propagates in the liquid to cause cavitation phenomenon, namely, the tiny bubbles in the liquid expand and collapse rapidly under the action of the ultrasonic wave, the bubble collapse moment can locally generate high-temperature and high-pressure environment, meanwhile, the molecules on the surface of the liquid can obtain enough energy to escape from the surface of the liquid in a gaseous state along with strong shock waves and microjet, tiny liquid drops are formed, the tiny liquid drops gather in the air to form mist, the mist consists of a plurality of tiny liquid drops, the friction force of the gas flow can be increased by the liquid drops, when the purified gas is discharged through the gas outlet 2, the effective sectional area of the gas outlet 2 is reduced, meanwhile, collision between gas molecules and the liquid drops can also occur, the smooth flow of the gas is hindered, the resistance of the gas discharge is increased, and the discharge speed is reduced.
Referring to fig. 1, for this purpose, a demisting structure 15 is provided at the top of the mounting frame 11, and mist generation is reduced by the demisting structure 15, and the demisting structure 15 has the following specific structure:
Referring to fig. 14, the demisting structure 15 includes a demisting plate 151, the demisting plate 151 is corrugated, and a plurality of through holes 152 are formed in the demisting plate 151.
The flow of mist removal is as follows:
When mist airflow generated by ultrasonic purification encounters the demisting plate 151 in the flowing process, the airflow direction changes, and liquid drops in the mist continuously move along the original direction due to certain mass and inertia, so that the mist collides with the demisting plate 151, the demisting plate 151 intercepts the liquid drops, the liquid drops are attached to the demisting plate 151, gas-liquid separation is realized, and separated purified gas is discharged from a plurality of through holes 152.
In addition, the corrugated structure greatly increases the surface area of the demisting plate 151, and meanwhile, when the air flows through the corrugated demisting plate 151, the air flows along the corrugated shape, so that the air flow path becomes tortuous and complicated, on the one hand, the residence time of the air flow in the area of the demisting plate 151 is increased, more time is allowed for mist to act on the demisting plate 151, on the other hand, the direction of the air flow is continuously changed, liquid drops in the mist can be easier to strike the surface of the demisting plate 151 due to inertia, the efficiency of inertial collision is improved, and the separation of the liquid drops from the air flow is facilitated.
Although the mist interception can be realized through the demisting plate 151, the mist can be attached to the surface of the demisting plate 151, and when a large amount of mist is gathered, the mist can be prevented from being discharged, so that a corresponding cleaning structure is required to be arranged to clean the mist.
For this reason, referring to fig. 5 and 6, a cleaning tube group 53 is disposed above the mixing tube group 54, the cleaning tube group 53 is communicated with the liquid inlet tube 52, a control valve is disposed at a communication position of the cleaning tube group 53 and the liquid inlet tube 52, the cleaning tube group 53 is provided with a plurality of first spray heads, the spray directions of the first spray heads and the second spray heads are opposite, the first spray heads spray liquid toward the demisting plate 151, the absorbing liquid is sprayed toward the demisting plate 151 through the cleaning tube group 53, the absorbing liquid can be sprayed to wash the surface of the demisting plate 151, mist droplets, dust and other impurities attached to the demisting plate 151 are washed away together, the cleanliness of the demisting plate 151 is maintained, and the demisting plate 151 is prevented from being degraded due to clogging or pollution.
In order to further better control the spray time, speed and flow rate of the cleaning tube set 53, the space between the top cover 13 and the top plate 12 needs to be designed.
The defogging structure 15 sets up in the below of roof 12, and the top of roof 12 is provided with top cap 13, and top cap 13 sets up to the terrace with edge structure, and the inside cavity of terrace with edge structure provides storage space for the gas after purifying, at this moment, sets up differential pressure sensor between top cap 13 and roof 12, and two pressure detection points of differential pressure sensor are installed respectively in the position of giving vent to anger of top cap 13 and roof 12 position of admitting air.
The working principle of the differential pressure sensor is as follows:
When a large amount of mist is gathered, the flow of the gas is blocked, so that the pressure distribution of the gas in the flowing process is changed, the pressure difference sensor indirectly judges the gathering condition of the mist by measuring the pressure difference of the gas between two positions, the control system controls the spraying time, speed and flow of the cleaning pipe group 53 according to the gathering condition of the mist, the spraying time is controlled to accurately spray the absorption liquid, meanwhile, the passing time of the purified gas is also given to be more sufficient, and the passing efficiency of the gas is improved.
The absorption liquid can be sprayed by arranging the cleaning tube group 53 and the mixing tube group 54, but the absorption liquid can be scattered to the top of the mounting frame 11 in the spraying process, the top of the absorption liquid gathering mounting frame 11 can pollute the mounting frame 11, and the mounting frame 11 can be corroded after gathering for a long time.
In order to solve the problem of the accumulation of the absorption liquid, the absorption liquid at the top of the mounting frame 11 is collected by providing an absorption structure.
Referring to fig. 6-13, a mounting frame 14 is arranged below the demisting structure 15, an inclined plate 16 is arranged in the mounting frame 14, the inclined plate 16 is wedge-shaped, a liquid outlet 17 is formed in the inclined plate 16, the liquid outlet 17 is communicated with a liquid drain pipe 18, and the liquid drain pipe 18 is communicated with the liquid collecting tank 7.
Through setting up inclined plate 16, the inclination angle design of wedge inclined plate 16 is favorable to the absorption liquid to flow naturally under the action of gravity, and the absorption liquid receives the component effect of gravity along the face direction on the face, can flow downwards along the inclined direction, can flow to liquid outlet 17 department from the position of inclined plate 16 fast effectively, and the absorption liquid is collected by collecting tank 7 again by liquid outlet 17 department flow through fluid-discharge tube 18, reduces the absorption liquid and gathers on inclined plate 16 face, has improved the collection efficiency of absorption liquid.
An embodiment III, a working method of an ultrasonic gas-liquid purifying device, using the ultrasonic gas-liquid purifying device, includes the following steps:
S1, first, the exhaust gas entering the absorber 6 through the intake port 3 swirls up in the absorber 6 and reaches the gas-liquid mixture.
S11, firstly, the waste gas enters the tank body 61 from the air inlet 3, and the waste gas entering the tank body 61 is driven by the swirl guide rail mechanism 65 to rise to the mixing cavity 62.
S2, secondly, conveying the absorption liquid by the liquid inlet assembly 5, spraying the absorption liquid to the top of the absorption assembly 6, enabling the sprayed absorption liquid to contact with waste gas, and purifying the waste gas.
S21, secondly, a water pump at the liquid storage tank 51 is started, absorption liquid flows along the liquid inlet pipe 52 under the action of the water pump, and then a control valve at the joint of the liquid inlet pipe 52 and the mixing pipe group 54 is started to release the absorption liquid.
S22, spraying the absorption liquid by the second spray head, mixing the sprayed absorption liquid with the waste gas in a contact way, and absorbing and purifying pollutants in the waste gas.
And S23, simultaneously, starting three groups of ultrasonic mechanisms 64, and carrying out ultrasonic treatment on the mixed gas and liquid by the three groups of ultrasonic mechanisms 64, so that the mixing rate of the gas and liquid is improved, and the absorption efficiency is enhanced.
And S3, discharging the purified gas from the gas outlet 2, collecting the treated absorption liquid through the liquid collecting tank 7, and discharging the collected liquid from the liquid outlet assembly 4.
And S31, the mixed liquid after being treated by the three groups of ultrasonic mechanisms 64 can generate fog, the fog is composed of tiny liquid drops, when the fog passes through the demisting structure 15, the liquid drops are intercepted and blocked by the demisting plate 151, and purified gas is discharged from the through holes 152.
S32, the gas discharged from the through hole 152 is discharged from the gas outlet 2 after passing through the top plate 12 and the top cover 13.
And S33, collecting liquid drops on the demister 151 after the gas is discharged, and when the pressure difference sensor detects that the pressure difference is large, namely, a large number of liquid drops are collected at the demister 151.
And S34, when a large amount of liquid drops are gathered at the demisting plate 151, the control valves at the cleaning pipe group 53 and the liquid inlet pipe 52 are started again, the liquid drops sprayed out from the first spray head are absorbed, the sprayed absorption liquid cleans the liquid drops on the demisting plate 151, and the normal discharge rate of the gas is recovered.
And S35, the absorption liquid after the purification treatment enters the liquid collecting tank 7 through two channels, wherein the absorption liquid in the tank 61 flows through the liquid outlet pipe 66 along the inner wall of the tank 61 and enters the liquid collecting tank 7 to be collected, and the absorption liquid in the mounting frame 14 flows to the liquid outlet 17 along the inclined surface of the inclined plate 16 and flows through the liquid outlet pipe 18 to be collected by the liquid collecting tank 7.
And S36, finally discharging the absorption liquid collected by the liquid collecting tank 7 by the liquid outlet assembly 4.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
Claims (10)
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| CN120754649A (en) * | 2025-09-10 | 2025-10-10 | 成都新炬化工有限公司 | Gas separation device based on ultrasonic resonance |
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| CN120754649A (en) * | 2025-09-10 | 2025-10-10 | 成都新炬化工有限公司 | Gas separation device based on ultrasonic resonance |
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