CN110433632B - Intelligent waste gas washing tank - Google Patents
Intelligent waste gas washing tank Download PDFInfo
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- CN110433632B CN110433632B CN201910771310.6A CN201910771310A CN110433632B CN 110433632 B CN110433632 B CN 110433632B CN 201910771310 A CN201910771310 A CN 201910771310A CN 110433632 B CN110433632 B CN 110433632B
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- 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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
- B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- 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
- B01D53/1487—Removing organic compounds
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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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- 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
- B01D53/32—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 electrical effects other than those provided for in group B01D61/00
- B01D53/323—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 electrical effects other than those provided for in group B01D61/00 by electrostatic effects or by high-voltage electric fields
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/44—Organic components
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/76—Gas phase processes, e.g. by using aerosols
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/804—UV light
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Abstract
The invention discloses an intelligent waste gas washing tank which comprises an organic waste gas inlet pipe, a waste gas treatment tank, a flushing device, an ionization adsorption device and a water storage tank, wherein the organic waste gas inlet pipe comprises a front-section inlet pipe and a rear-section inlet pipe, the upper end of the waste gas treatment tank is provided with an air outlet, the lower end of the waste gas treatment tank is provided with an opening and is positioned in the water storage tank, the flushing device comprises a spray water pump, a distribution pipe and a plurality of flushing pipes, the spray water pump is connected with the distribution pipe, the distribution pipe is respectively communicated with the plurality of flushing pipes, the ionization adsorption device comprises an ionization structure and an adsorption plate structure, one flushing pipe penetrates through each walkway, a plurality of flushing nozzles with different heights are arranged on two sides of each flushing pipe, and the flushing nozzles are opposite to the adsorption plate. The invention has the advantage of effectively improving the effect of treating the organic waste gas by a spraying method.
Description
Technical Field
The invention belongs to the technical field of waste gas treatment, and particularly relates to an intelligent waste gas flushing tank.
Background
The spraying method for treating organic waste gas is a common organic waste gas treatment method. The principle is that the organic waste gas is blown from bottom to top, and the spray water flows from top to bottom, so that the organic waste gas and the spray water are impacted, VOCs (volatile organic compounds particles) in the organic waste gas are dissolved in water, and the organic waste gas is purified. The effect of the spraying method for treating the organic waste gas depends on the water quantity and the spraying mode of the spraying water, the larger the water quantity is, the better the atomization effect of the spraying water is, and the better the treatment effect of the organic waste gas is. However, if the amount of water added to the shower water is increased to improve the atomization effect of the shower water, the effect of organic waste gas treatment is improved only linearly, and the cost is also increased significantly. In addition, the ozone also has good treatment effect on the organic waste gas, and if a plurality of schemes for treating the organic waste gas can be used simultaneously, the effect of treating the organic waste gas can be effectively improved
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a spraying type organic waste gas treatment device which can effectively improve the effect of treating organic waste gas by a spraying method, aiming at the defects of the prior art.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
intelligent exhaust gas washes jar, wherein: the device comprises an organic waste gas inlet pipe, a waste gas treatment tank, a flushing device, an ionization adsorption device and a water storage tank, wherein the organic waste gas inlet pipe comprises a front-section inlet pipe and a rear-section inlet pipe, the upper end of the waste gas treatment tank is provided with a gas outlet, the lower end of the waste gas treatment tank is provided with an opening, the flushing device is positioned in the water storage tank and comprises a spray water pump, a distribution pipe and a plurality of flushing pipes, the spray water pump is connected with the distribution pipe, the distribution pipe is respectively communicated with the plurality of flushing pipes, the ionization adsorption device comprises an ionization structure and an adsorption plate structure, the ionization structure comprises a flat pipe and two ionization plates, the ionization plates are symmetrically arranged on the upper surface and the lower surface of the flat pipe, when the ionization plates are electrified, a negative electric field can be formed in the pipe body of the flat pipe, organic particles in the passing organic waste gas are charged negatively, the adsorption plate structure comprises a plurality of adsorption plates, the outer surfaces of which are coated with isolation layers, and the adsorption plates are vertically fixed in the middle part of the waste gas treatment tank, the adsorption plates are arranged at intervals, the middle space in the waste gas treatment tank is divided into a plurality of channels, the adsorption plates are positively charged after being electrified and can adsorb organic particles with negative charges in the channels, a shower pipe penetrates into each channel, a plurality of shower nozzles with different heights are arranged on two sides of each shower pipe, the shower nozzles face the adsorption plates, a shower water layer is stored in a water storage tank, the lower end of the waste gas treatment tank is submerged in the shower water layer, a shower water pump is positioned in the shower water layer and can pump water into the shower pipes through distribution pipes and then spray out through the shower nozzles, the front end of the front-section air inlet pipe is connected with an organic waste gas source, the rear end of the front-section air inlet pipe is communicated with the front ends of the flat pipes, the rear ends of the flat pipes are communicated with the front end of the rear-section air inlet pipe, the rear end of the rear-section air inlet pipe is a blind end, the rear section is horizontally inserted into the waste gas treatment tank and is positioned below the adsorption plates, and a plurality of air holes are formed in the rear-section air inlet pipe, and each walk at least one air vent below setting up, the anterior segment air intake pipe is from the front to the back to enter the section sequentially, shrink section, throat and diffusion zone, shrink section front end to the rear end diameter and shrink section diameter the same, diffusion zone front end to rear end diameter expand gradually, the throat connects an ozone pipe, one end opening of ozone pipe is in the throat, and the opening slope is towards the diffusion zone, one end of ozone pipe is connected with ozonizer, ozonizer can produce ozone, discharge into ozone pipe, there is a detection control device at the air outlet, the detection control device includes PM2.5 detector, controller, three-way solenoid valve and backflow pipe, PM2.5 detector is fixed on air outlet, the probe of PM2.5 detector is inserted into air outlet, can detect the particle content of air current PM2.5 in the air outlet, PM. detector is connected with controller and can send the information to the controller, the controller is in signal connection with the three-way electromagnetic valve and controls the on-off of the three-way electromagnetic valve, the first end of the three-way electromagnetic valve is in butt joint with the air outlet, the second end of the three-way electromagnetic valve is connected with the outside air, the third end of the three-way electromagnetic valve is connected with the backflow pipe, the backflow pipe is connected to the lower portion of the waste gas treatment tank, and the portion, located in the inner cavity of the waste gas treatment tank, of the backflow pipe is provided with a plurality of backflow holes.
In order to optimize the technical scheme, the specific measures adopted further comprise:
the position of the backflow hole is lower than that of the rear-section air inlet pipe.
The controller is an MCS-51 type singlechip.
The spraying nozzle is an atomizing nozzle, water mist sprayed by the spraying nozzle is diffused in the walkway, part of the water mist contacts the isolation layer and is converged on the isolation layer to form water drops to be dripped into the water storage pool, and part of the water mist directly falls into the water storage pool from the walkway.
The rear end of the front-section air inlet pipe and the front end of the flat pipe as well as the rear end of the flat pipe and the front end of the rear-section air inlet pipe are connected with each other through connecting flanges.
The flushing pipe is a plastic pipe, and the isolating layer is a quartz sleeve.
The water storage tank is provided with a water filling pipe, the water filling pipe is connected with a water filling pump, and the water filling pump can fill water into the water storage tank through the water filling pipe regularly.
The rear-section air inlet pipe is a plastic pipe coated with a corrosion-resistant coating inside.
The front section air inlet pipe is a stainless steel pipe or a plastic pipe coated with a corrosion-resistant coating inside.
The invention has the following advantages:
1. install the ionization board additional at organic waste gas inlet pipe section, carry out ionization treatment to the organic matter granule in the organic waste gas that will get into the treatment tank, make the organic matter granule among the organic waste gas electrified, when handling organic waste gas in the treatment tank, adopt the adsorption plate to utilize the characteristic that positive negative phase of electric charge inhales, adsorb the isolation layer with the electrified organic matter granule among the organic waste gas on, utilize to dash to drench the pipe to drench organic waste gas simultaneously, reach double purification's function, these two kinds of purification modes are mutually supported, effectively improve organic waste gas's purifying effect.
2. When drenching the pipe and drenching organic waste gas, can wash the isolation layer, wash the organic matter granule of adhesion on the isolation layer, thereby need not to wash the isolation layer, and simultaneously, drench the pipe spun water smoke can the disturbance air current, make originally from the organic waste gas granule that ionization plate is far away along with the air current is close to the adsorption plate, improve the organic waste gas granule by the adsorbed possibility of adsorption plate, realize drenching mutually organic cooperation of structure and ionization structure, reach 1+1 > 2 effect.
3. The front-section air inlet pipe is improved into a Venturi tube structure, the ozone pipe is connected to the throat, negative pressure can be generated on the ozone pipe when the front-section air inlet pipe is used for air inlet, ozone in the ozone pipe is sucked into the front-section air inlet pipe, so that the ozone is mixed into the organic waste gas, the ozone has strong oxidizing capacity, organic particles in the organic waste gas can be oxidized, when the ozone is dissolved into water, the organic particles in the water can also be oxidized, and the organic waste gas treatment effect of the whole device is improved.
4. The invention also provides an intelligent monitoring device, the PM2.5 detector is used for detecting the content of the particles of the discharged organic waste gas, if the content of the particles does not reach the standard, the controller controls the three-way electromagnetic valve to be in butt joint with the return pipe, the gas is reintroduced into the waste gas treatment tank for spraying operation, so that the discharged waste gas is subjected to secondary treatment, and if the PM2.5 detector detects that the content of the particles of the discharged organic waste gas reaches the standard, the controller controls the three-way electromagnetic valve to be connected with the outside air, so that the gas is discharged to the atmosphere. The exhaust gas treatment tank can be also provided with a pressure detector and an alarm, the pressure detector and the alarm are both connected with the controller, if the PM2.5 detector detects that the content of the organic exhaust gas particles discharged is not up to standard, too much gas is introduced into the exhaust gas treatment tank, the pressure of the exhaust gas treatment tank is possibly caused to be too high, the pressure detector transmits the detected pressure to the controller, the controller controls the three-way electromagnetic valve to be connected with the outside air, the gas is discharged to the atmosphere, and the alarm is controlled to give an alarm.
5. The method has good treatment effect on the organic waste gas and high removal rate of VOCs, and obviously improves the removal rate of VOCs in the organic waste gas treated by the traditional spraying method.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the portion A of FIG. 1;
FIG. 3 is an enlarged view of the portion B of FIG. 1;
FIG. 4 is a schematic structural view of an adsorption plate structure;
fig. 5 is a schematic diagram of the structure of the ionization structure.
The reference signs are: the device comprises an organic waste gas inlet pipe 1, a front section inlet pipe 11, an inlet section 11a, a contraction section 11b, a throat 11c, a diffusion section 11d, an ozone generator 11f, an ozone pipe 11g, a rear section inlet pipe 12, an air hole 13, a waste gas treatment tank 2, an air outlet 21, a shower device 3, a spray water pump 31, a distribution pipe 32, a shower pipe 33, a shower nozzle 34, an ionization adsorption device 4, an ionization structure 41, a flat pipe 41a, an ionization plate 41b, an adsorption plate structure 42, an adsorption plate 42a, an isolation layer 42b, a water storage tank 5, a water filling pipe 51, a water filling pump 52, a detection control device 6, a PM2.5 detector 61, a controller 62, a three-way electromagnetic valve 63, a return pipe 64 and a return hole 65.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
The intelligent exhaust gas flushing tank of this embodiment, wherein: the device comprises an organic waste gas inlet pipe 1, a waste gas treatment tank 2, a showering device 3, an ionization adsorption device 4 and a water storage tank 5, wherein the organic waste gas inlet pipe 1 comprises a front-section inlet pipe 11 and a rear-section inlet pipe 12, the upper end of the waste gas treatment tank 2 is provided with an air outlet 21, the lower end of the waste gas treatment tank is open and is positioned in the water storage tank 5, the showering device 3 comprises a spray water pump 31, a distribution pipe 32 and a plurality of showering pipes 33, the spray water pump 31 is connected with the distribution pipe 32, the distribution pipe 32 is respectively communicated with the plurality of showering pipes 33, the ionization adsorption device 4 comprises an ionization structure 41 and an adsorption plate structure 42, the ionization structure 41 comprises a flat pipe 41a and two ionization plates 41b, the ionization plates 41b are symmetrically arranged on the upper surface and the lower surface of the flat pipe 41a, when the ionization plates 41b are electrified, a negative electric field can be formed in the pipe body of the flat pipe 41a, organic particles in the passing organic waste gas are charged negatively, the adsorption plate structure 42 comprises a plurality of adsorption plates 42a with isolation layers 42b coated on the outer surfaces, the adsorption plates 42a are vertically fixed in the middle of the waste gas treatment tank 2, the adsorption plates 42a are arranged at intervals to divide the middle space of the waste gas treatment tank 2 into a plurality of channels, the adsorption plates 42a are electrified and then are positively charged to adsorb organic particles with negative charges in the channels, a shower pipe 33 penetrates into each channel, a plurality of shower nozzles 34 with different heights are arranged on the two sides of the shower pipe 33, the shower nozzles 34 are opposite to the adsorption plates 42a, a spray water layer is stored in the water storage tank 5, the lower end of the waste gas treatment tank 2 is submerged in the spray water layer, a spray water pump 31 is positioned in the spray water layer, the spray water pump 31 can pump water into the shower pipe 33 through a distribution pipe 32 and then spray the water through the shower nozzles 34, the front end of the front section air inlet pipe 11 is connected with an organic waste gas source, the rear end of the front section air inlet pipe 11 is communicated with the front ends of the flat pipes 41a, the rear end of flat tube 41a and the front end intercommunication of back end intake pipe 12, the rear end of back end intake pipe 12 is the cecum, and back end intake pipe 12 level is inserted to exhaust-gas treatment jar 2 in, is located the adsorption plate 42a below, has seted up a plurality of gas pocket 13 on the back end intake pipe 12, and sets up a gas pocket 13 below every pavement at least. The front section air inlet pipe 11 is sequentially provided with an inlet section 11a, a contraction section 11b, a throat 11c and a diffusion section 11d from front to back, the diameter of the contraction section 11b is gradually reduced from the front end to the back end, the diameter of the throat 11c is equal to the minimum diameter of the contraction section 11b, the diameter of the diffusion section 11d from the front end to the back end is gradually enlarged, the throat 11c is connected with an ozone pipe 11g, one end of the ozone pipe 11g is opened in the throat 11c and inclines towards the diffusion section 11d, one end of the ozone pipe 11g is connected with an ozone generator 11f, the ozone generator 11f can generate ozone and discharge the ozone into the ozone pipe 11g, a detection control device 6 is arranged at the air outlet 21, the detection control device 6 comprises a PM2.5 detector 61, a controller 62, a three-way electromagnetic valve 63 and a backflow pipe 64, the PM2.5 detector 61 is fixed on the air outlet 21, a probe of the PM2.5 detector 61 is inserted into the air outlet 21, and the PM2.5 particle content in the air outlet 21 can be detected, PM2.5 detector 61 is connected with controller 62 and can be with information transmission to controller 62, controller 62 and three way solenoid valve 63 signal connection and control three way solenoid valve 63's break-make, and three way solenoid valve 63 first end and gas outlet 21 dock, and the second end is received outside air, and the third end is connected with back flow 64, and back flow 64 inserts the lower part to exhaust-gas treatment jar 2, and the part that back flow 64 is located the exhaust-gas treatment jar 2 inner chamber is provided with a plurality of backward flow hole 65.
In the embodiment, the return hole 65 is positioned lower than the rear intake pipe 12.
In the embodiment, the controller 62 is an MCS-51 type single chip microcomputer.
In the embodiment, the shower head 34 is a spray type head, the water mist sprayed from the shower head 34 spreads in the walkway, part of the water mist contacts the isolation layer 42b and converges on the isolation layer 42b to form water droplets to drop into the water storage 5, and part of the water mist directly drops into the water storage 5 from the walkway.
In the embodiment, the rear end of the front-stage intake duct 11 and the front end of the flat tube 41a, and the rear end of the flat tube 41a and the front end of the rear-stage intake duct 12 are connected to each other by connecting flanges.
In the embodiment, the shower pipe 33 is a plastic pipe, and the isolation layer 42b is a quartz sleeve.
In the embodiment, the water storage tank 5 is provided with a water filling pipe 51, the water filling pipe 51 is connected with a water filling pump 52, and the water filling pump 52 can fill water into the water storage tank 5 through the water filling pipe 51 periodically.
In the embodiment, the rear intake pipe 12 is a plastic pipe coated with a corrosion-resistant coating inside.
In the embodiment, the front intake pipe 11 is a stainless steel pipe or a plastic pipe coated with a corrosion-resistant coating.
When the organic waste gas is treated, the organic waste gas is introduced into the organic waste gas inlet pipe 1, enters the waste gas treatment tank 2 through the front-section inlet pipe 11, the flat pipe 41a, the rear-section inlet pipe 12 and the air holes 13, and then is blown out from the air outlet 21 after passing through a passage between the adsorption plates 42 a. In the process, the organic waste gas is ionized and charged by the ionization plate 41b at the flat tube 41a section, then the organic waste gas enters the waste gas treatment tank 2 quickly, the adsorption plate 42a adsorbs charged VOCs in the organic waste gas, meanwhile, the spray water pump 31 pumps the water in the water storage tank 5 into the shower pipe 33, and the water is sprayed out through the shower nozzle 34, so that the sprayed water has three functions, namely, the isolation layer 42b is washed away, the charged VOCs adsorbed on the isolation layer 42b are washed away, the isolation layer 42b is kept clean, a water mist area is formed in a walkway, the organic waste gas passing through the walkway is subjected to spray treatment, and the air flow is disturbed, so that the organic waste gas is sometimes close to or sometimes far away from the adsorption plate 42a, and the adsorption plate 42a is enabled to adsorb more charged VOCs. The flushing water can fall into the water storage pool 5, and the precipitator is supplemented into the water storage pool 5 at regular time for precipitating the flushed waste, so that the flushing water is kept clean, and meanwhile, the water filling pump 52 is also arranged for periodically supplementing water to the water storage pool 5 and keeping the water level of the water storage pool 5. According to the invention, the front-section air inlet pipe 11 is reformed into a Venturi tube type structure, the ozone pipe 11g is connected to the throat 11c, when the front-section air inlet pipe 11 is used for air inlet, negative pressure can be generated on the ozone pipe 11g, ozone in the ozone pipe 11g is sucked into the front-section air inlet pipe 11, so that the ozone is mixed into organic waste gas, the ozone has strong oxidizing capability, organic particles in the organic waste gas can be oxidized, and when the ozone is dissolved into water, the organic particles in the water can be oxidized, so that the organic waste gas treatment effect of the whole device is improved. The gas blown out from the gas outlet 21 can be used for detecting the content of organic waste gas particles through the PM2.5 detector 61, if the content reaches the standard, the controller 62 controls the three-way electromagnetic valve 63 to be connected with the outside air, and the gas is discharged to the atmosphere. If the exhaust gas does not reach the standard, the controller 62 controls the three-way solenoid valve 63 to be connected with the return pipe 64, so that the gas is reintroduced into the exhaust gas treatment tank 2 to perform the spraying operation, thereby performing the secondary treatment on the discharged exhaust gas.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may be made by those skilled in the art without departing from the principle of the invention.
Claims (9)
1. Intelligent waste gas washes jar, characterized by: including organic waste gas intake pipe (1), exhaust-gas treatment jar (2), drench device (3), ionization adsorption equipment (4) and tank (5), wherein, organic waste gas intake pipe (1) including anterior segment intake pipe (11) and back end intake pipe (12), the upper end of exhaust-gas treatment jar (2) seted up gas outlet (21), the lower extreme opening, and be located tank (5), drench device (3) including spray water pump (31), distributing pipe (32) and a plurality of drench pipe (33), spray water pump (31) be connected with distributing pipe (32), distributing pipe (32) and a plurality of drench pipe (33) communicate respectively, ionization adsorption equipment (4) including ionization structure (41) and adsorption plate structure (42), ionization structure (41) include flat tube (41a) and two ionization plates (41b), the ionization plates (41b) are symmetrically arranged on the upper surface and the lower surface of the flat tube (41a), when the ionization plates (41b) are electrified, a negative electric field can be formed in the tube body of the flat tube (41a), organic particles in passing organic waste gas are charged with negative electricity, the adsorption plate structure (42) comprises a plurality of adsorption plates (42a) with the outer surfaces coated with isolation layers (42b), the adsorption plates (42a) are vertically fixed in the middle of the waste gas treatment tank (2), the adsorption plates (42a) are arranged at intervals, the middle space in the waste gas treatment tank (2) is divided into a plurality of channels, the adsorption plates (42a) are charged with positive electricity and can adsorb the organic particles charged with negative electricity in the channels, a shower pipe (33) penetrates through each channel, a plurality of shower nozzles (34) with different heights are arranged on two sides of the shower pipes (33), and the shower nozzles (34) face the adsorption plates (42a), the water storage tank (5) is internally stored with a spraying water layer, the lower end of the waste gas treatment tank (2) is submerged in the spraying water layer, a spraying water pump (31) is positioned in the spraying water layer, the spraying water pump (31) can pump water into a spraying pipe (33) through a distribution pipe (32) and then spray the water out through a spraying nozzle (34), the front end of the front section air inlet pipe (11) is connected with an organic waste gas source, the rear end of the front section air inlet pipe (11) is communicated with the front end of a flat pipe (41a), the rear end of the flat pipe (41a) is communicated with the front end of a rear section air inlet pipe (12), the rear end of the rear section air inlet pipe (12) is a blind end, the rear section air inlet pipe (12) is horizontally inserted into the waste gas treatment tank (2) and is positioned below an adsorption plate (42a), a plurality of air holes (13) are formed in the rear section air inlet pipe (12), and at least one air hole (13) is arranged below each walkway, the front-section air inlet pipe (11) sequentially comprises an inlet section (11a), a contraction section (11b), a throat (11c) and a diffusion section (11d) from front to back, the diameter of the contraction section (11b) from the front end to the back end is gradually reduced, the diameter of the throat (11c) is equal to the minimum diameter of the contraction section (11b), the diameter of the diffusion section (11d) from the front end to the back end is gradually enlarged, the throat (11c) is connected with an ozone pipe (11g), one end of the ozone pipe (11g) is opened in the throat (11c) and inclines towards the diffusion section (11d), one end of the ozone pipe (11g) is connected with an ozone generator (11f), the ozone generator (11f) can generate ozone and discharges the ozone into the ozone pipe (11g), a detection control device (6) is arranged at the air outlet (21), and the detection control device (6) comprises a PM2.5 detector (61), A controller (62), a three-way electromagnetic valve (63) and a return pipe (64), wherein the PM2.5 detector (61) is fixed on the air outlet (21), a probe of the PM2.5 detector (61) is inserted into the air outlet (21) and can detect the particle content of the air flow PM2.5 in the air outlet (21), the PM2.5 detector (61) is connected with the controller (62) and can send information to the controller (62), the controller (62) is in signal connection with the three-way electromagnetic valve (63) and controls the on-off of the three-way electromagnetic valve (63), the first end of the three-way electromagnetic valve (63) is in butt joint with the air outlet (21), the second end is connected with the outside air, the third end is connected with the return pipe (64), the return pipe (64) is connected to the lower part of the waste gas treatment tank (2), and the part of the return pipe (64) positioned in the inner cavity of the waste gas treatment tank (2) is provided with a plurality of return holes (65).
2. The intelligent exhaust gas flushing tank of claim 1, wherein: the position of the backflow hole (65) is lower than that of the rear-section air inlet pipe (12).
3. The intelligent exhaust gas flushing tank of claim 2, wherein: the controller (62) is an MCS-51 type singlechip.
4. The intelligent exhaust gas flushing tank of claim 3, wherein: the shower nozzle (34) is a spray type nozzle, water mist sprayed by the shower nozzle (34) is diffused in the walkway, part of the water mist contacts the isolation layer (42b) and is converged on the isolation layer (42b) to form water drops to be dripped into the water storage pool (5), and part of the water mist directly falls into the water storage pool (5) from the walkway.
5. The intelligent exhaust gas flushing tank of claim 4, wherein: the rear end of the front-section air inlet pipe (11) and the front end of the flat pipe (41a) as well as the rear end of the flat pipe (41a) and the front end of the rear-section air inlet pipe (12) are connected with each other through connecting flanges.
6. The intelligent exhaust gas flushing tank of claim 5, wherein: the shower pipe (33) is a plastic pipe, and the isolation layer (42b) is a quartz sleeve.
7. The intelligent exhaust gas flushing tank of claim 6, wherein: the water storage tank (5) is provided with a water filling pipe (51), the water filling pipe (51) is connected with a water filling pump (52), and the water filling pump (52) can fill water into the water storage tank (5) through the water filling pipe (51) at regular intervals.
8. The intelligent exhaust gas flushing tank of claim 7, wherein: the rear section air inlet pipe (12) is a plastic pipe coated with a corrosion-resistant coating.
9. The intelligent exhaust gas flushing tank of claim 8, wherein: the front section air inlet pipe (11) is a stainless steel pipe or a plastic pipe with an anti-corrosion coating coated inside.
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| CN110433632B true CN110433632B (en) | 2022-07-05 |
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| CN116870595B (en) * | 2023-09-05 | 2023-11-17 | 智奇铁路设备有限公司 | Waste gas purifying device for paint spraying workshop |
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