CN111282422A - Full-automatic high-efficient acid-base exhaust-gas treatment equipment - Google Patents
Full-automatic high-efficient acid-base exhaust-gas treatment equipment Download PDFInfo
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- CN111282422A CN111282422A CN202010132469.6A CN202010132469A CN111282422A CN 111282422 A CN111282422 A CN 111282422A CN 202010132469 A CN202010132469 A CN 202010132469A CN 111282422 A CN111282422 A CN 111282422A
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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
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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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
- B01D53/40—Acidic 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
- B01D53/38—Removing components of undefined structure
- B01D53/42—Basic 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
- B01D53/96—Regeneration, reactivation or recycling of reactants
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Abstract
The invention discloses full-automatic efficient acid-base waste gas treatment equipment, relates to the field of acid-base waste gas treatment equipment, and aims to solve the problems that the conventional treatment equipment needs manual cleaning and manual solvent addition, the automation degree is low, and the working efficiency is low. The spray tower body is straight tube-shape, fixedly connected with waste gas intake pipe on one side surface of spray tower body, waste gas intake pipe communicates with each other with the spray tower body is inside, be provided with the mounting groove on the inner wall of spray tower body, and the inside fixed mounting of mounting groove has the packing layer, the top of packing layer is provided with built-in shower nozzle, the packing layer is located the top of waste gas intake pipe.
Description
Technical Field
The invention relates to the field of acid-base waste gas treatment equipment, in particular to full-automatic high-efficiency acid-base waste gas treatment equipment.
Background
The industrial acid-base waste gas mainly comes from acid and alkaline waste gas discharged in the production process of the industries such as chemical industry, electronics, metallurgy, electroplating, textile (chemical fiber), food, mechanical manufacturing and the like, is harmful to human health when discharged indoors, is harmful to atmosphere, soil, plants, buildings and the like when discharged outdoors, creates a good living space for human and environment, reasonably treats the acid-base gas in the waste gas, is a necessary measure for controlling atmospheric pollution, and needs special treatment equipment at the moment.
The existing treatment equipment needs manual cleaning and manual solvent adding, has low automation degree and low working efficiency, and improves the automation degree and the working efficiency in order to automatically clean the solid particle impurities in the treatment equipment and automatically add the reaction solvent; therefore, the market urgently needs to develop a full-automatic high-efficiency acid-base waste gas treatment device to help people solve the existing problems.
Disclosure of Invention
The invention aims to provide full-automatic high-efficiency acid-base waste gas treatment equipment, which solves the problems that the existing treatment equipment in the background art needs manual cleaning and manual solvent addition, and is low in automation degree and working efficiency.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a full-automatic high-efficient acid-base exhaust-gas treatment equipment, includes the spray column body, the spray column body is straight tube-shape, fixedly connected with waste gas intake pipe on one side surface of spray column body, waste gas intake pipe communicates with each other with spray column body is inside, be provided with the mounting groove on the inner wall of spray column body, and the inside fixed mounting of mounting groove has the packing layer, the top of packing layer is provided with built-in shower nozzle, the packing layer is located the top of waste gas intake pipe.
Preferably, the row's of fixedly connected with spiral material pipe on one side surface of spray column body, and the spiral is arranged the inside of material pipe and spray column body and is communicated with each other, the below that the pipe is located the waste gas intake pipe is arranged to the spiral, the one end fixed mounting that the pipe was arranged to the spiral has AC motor, the inside that the pipe was arranged to the spiral is arranged in to AC motor's rotation axis one end to with the one end fixed connection of spiral defeated material pole, the row's of fixedly connected with waste material pipe is arranged to the one end surface that the pipe was arranged to the spiral, the inside fixed mounting of spray column body has the filtration.
Preferably, the outer surface of the filtering material guide plate is provided with through holes, the filtering material guide plate is an arc-shaped plate and is obliquely arranged, and the lower end of the filtering material guide plate is arranged at the feed inlet of the spiral discharge pipe.
Preferably, fixedly connected with liquid reserve tank on the surface of spray column body, the liquid reserve tank communicates with each other with the inside bottom of spray column body, the inside of spray column body and liquid reserve tank all is equipped with sprays liquid, the inside of spraying liquid is soaked there is the immersible pump, the play water end fixed mounting of immersible pump has the spray aqueduct, the other end and the built-in shower nozzle fixed connection of spray aqueduct.
Preferably, fixed mounting has the control box on the upper end surface of liquid reserve tank, the inside fixed mounting of control box has the relay, the spacing conducting block of fixedly connected with on the inner wall of liquid reserve tank, be provided with spacing hole on the surface of spacing conducting block, and the inside in spacing hole runs through there is spacing connecting rod, the both ends difference fixedly connected with activity conducting block and the cursory of spacing connecting rod, the cursory is located spacing conducting block under, the activity conducting block is located spacing conducting block directly over, fixedly connected with feed liquor pipe on the upper end surface of liquid reserve tank, and feed liquor pipe and liquid reserve tank inside communicate with each other.
Preferably, the intermediate position department fixed mounting of feed liquor pipe has the second solenoid valve, second solenoid valve and relay electric connection, the one end fixed mounting of feed liquor pipe has mixed staving, spacing conducting block and the control end electric connection of relay, activity conducting block and external circuit electric connection.
Preferably, the discharge direction of the waste material discharge pipe is vertically downward, and a first electromagnetic valve is fixedly installed at the middle position of the waste material discharge pipe.
Preferably, the built-in spray head is located at the middle shaft position in the spray tower body, the spraying direction of the built-in spray head is vertical downwards, a defogging plate is arranged above the built-in spray head, and the defogging plate is fixedly installed on the inner wall of the spray tower body.
Preferably, the top axis department of spray tower body is provided with the purification gas outlet, the fixed mounting that gives vent to anger of purification gas outlet has the purification gas blast pipe, the intermediate position department fixed mounting who purifies the gas blast pipe has the induced fan.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention is characterized in that a spiral discharging pipe is fixedly connected on the outer surface of one side of a spray tower body and is communicated with the interior of the spray tower body, the spiral discharging pipe is positioned below a waste gas inlet pipe, one end of the spiral discharging pipe is fixedly provided with an alternating current motor, one end of a rotating shaft of the alternating current motor is arranged in the spiral discharging pipe and is fixedly connected with one end of a spiral conveying rod, the outer surface of one end of the spiral discharging pipe is fixedly connected with a waste material discharging pipe, and a filtering material guide plate is fixedly arranged in the spray tower body, so that solid particles generated after reaction of waste gas and spray liquid can be collected through the filtering material guide plate and are guided into the spiral discharging pipe, then the spiral conveying rod is driven by the alternating current motor to rotate, and the solid particles are discharged through the spiral conveying rod, so that the equipment has the filtering and collecting capabilities of solid impurities, the self-discharging operation can be completed, manual cleaning is not needed, the automation degree of the equipment is effectively improved, and meanwhile the working efficiency of the equipment is also effectively improved;
2. the invention is characterized in that a control box is fixedly arranged on the outer surface of the upper end of a liquid storage box, a relay is fixedly arranged in the control box, a limiting conductive block is fixedly connected on the inner wall of the liquid storage box, a limiting hole is arranged on the outer surface of the limiting conductive block, a limiting connecting rod penetrates through the limiting hole, two ends of the limiting connecting rod are respectively fixedly connected with a movable conductive block and a float, the float is positioned under the limiting conductive block, the movable conductive block is positioned right above the limiting conductive block, a liquid inlet pipe is fixedly connected on the outer surface of the upper end of the liquid storage box and is communicated with the inside of the liquid storage box, the position of the movable conductive block can be changed through the float, the float floats on the liquid level of spraying liquid, therefore, the position of the movable conductive block is reduced along with the reduction of the spraying liquid, when the movable conductive block is contacted with the limiting conductive block, the relay is electrified, and then make the second solenoid valve circular telegram, the second solenoid valve is opened and can be added the inside of liquid reserve tank with the inside reserve solvent of mixing the staving for automatic material conveying's function can be carried out to this equipment, and degree of automation is high, can play the guarantee to the operation of spraying of this equipment simultaneously.
Drawings
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is an internal structural view of the present invention;
FIG. 3 is an enlarged view of the invention at A;
FIG. 4 is a schematic view of the filtering material guiding plate according to the present invention;
fig. 5 is a front view of the present invention.
In the figure: 1. a spray tower body; 2. a purified gas exhaust pipe; 3. spraying a water guide pipe; 4. an exhaust gas inlet pipe; 5. a spiral discharge pipe; 6. a waste material discharge pipe; 7. a first solenoid valve; 8. an alternating current motor; 9. a fan guide; 10. a liquid storage tank; 11. a control box; 12. a liquid inlet pipe; 13. a second solenoid valve; 14. a mixing barrel body; 15. a purified gas outlet; 16. a defogging plate; 17. a spray head is arranged inside; 18. a filler layer; 19. a screw feed rod; 20. a filtering material guide plate; 21. a submersible pump; 22. a relay; 23. spraying liquid; 24. floating; 25. limiting the conductive block; 26. a limit connecting rod; 27. and a movable conductive block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, an embodiment of the present invention is shown: the utility model provides a full-automatic high-efficient acid-base exhaust-gas treatment equipment, includes spray column body 1, spray column body 1 is straight tube-shape, fixedly connected with waste gas intake pipe 4 on one side surface of spray column body 1, and waste gas intake pipe 4 communicates with each other with spray column body 1 is inside, is provided with the mounting groove on spray column body 1's the inner wall, and the inside fixed mounting of mounting groove has packing layer 18, and the top of packing layer 18 is provided with built-in shower nozzle 17, and packing layer 18 is located the top of waste gas intake pipe 4.
Further, a spiral discharging pipe 5 is fixedly connected to the outer surface of one side of the spray tower body 1, the spiral discharging pipe 5 is communicated with the inside of the spray tower body 1, the spiral discharging pipe 5 is located below the waste gas inlet pipe 4, an alternating current motor 8 is fixedly installed at one end of the spiral discharging pipe 5, one end of a rotating shaft of the alternating current motor 8 is arranged inside the spiral discharging pipe 5 and is fixedly connected with one end of a spiral conveying rod 19, a waste discharging pipe 6 is fixedly connected to the outer surface of one end of the spiral discharging pipe 5, a filtering material guide plate 20 is fixedly installed inside the spray tower body 1, so that solid particles generated after reaction of waste gas and spray liquid 23 can be collected through the filtering material guide plate 20, the collected solid particles are guided into the inside of the spiral discharging pipe 5, then the spiral conveying rod 19 is driven to rotate through the alternating current motor 8, and the solid particles are discharged through the spiral conveying rod 19, make this equipment possess the filtration and the collection ability of solid impurity to can accomplish the operation of oneself row material, need not again through artifical clearance, the effectual degree of automation that improves this equipment, also the effectual work efficiency who improves equipment simultaneously.
Further, through holes are formed in the outer surface of the filtering material guide plate 20, the filtering material guide plate 20 is an arc-shaped plate and is obliquely arranged, and the lower end of the filtering material guide plate 20 is arranged at the material inlet of the spiral material discharging pipe 5.
Further, a liquid storage tank 10 is fixedly connected to the outer surface of the spray tower body 1, the liquid storage tank 10 is communicated with the bottom end of the interior of the spray tower body 1, spray liquid 23 is contained in the spray tower body 1 and the liquid storage tank 10, a submersible pump 21 is soaked in the spray liquid 23, a spray water guide pipe 3 is fixedly mounted at the water outlet end of the submersible pump 21, and the other end of the spray water guide pipe 3 is fixedly connected with the built-in spray head 17.
Further, a control box 11 is fixedly installed on the outer surface of the upper end of the liquid storage box 10, a relay 22 is fixedly installed inside the control box 11, a limit conductive block 25 is fixedly connected to the inner wall of the liquid storage box 10, a limit hole is formed in the outer surface of the limit conductive block 25, a limit connecting rod 26 penetrates through the limit hole, a movable conductive block 27 and a float 24 are fixedly connected to two ends of the limit connecting rod 26 respectively, the float 24 is located under the limit conductive block 25, the movable conductive block 27 is located over the limit conductive block 25, a liquid inlet pipe 12 is fixedly connected to the outer surface of the upper end of the liquid storage box 10, the liquid inlet pipe 12 is communicated with the inside of the liquid storage box 10, the position of the movable conductive block 27 can be changed through the float 24, the float 24 floats on the liquid level of the spraying liquid 23, and therefore the position of the movable conductive block 27 is reduced along with the reduction of the spraying liquid 23, when activity conducting block 27 and spacing conducting block 25 contact, relay 22 circular telegram this moment, and then make second solenoid valve 13 circular telegram, second solenoid valve 13 is opened can be with the inside of mixing the inside reserve solvent of staving 14 and adding liquid reserve tank 10 for automatic material conveying's function can be carried out to this equipment, and degree of automation is high, can play the guarantee to the operation of spraying of this equipment simultaneously.
Further, a second electromagnetic valve 13 is fixedly mounted at the middle position of the liquid inlet pipe 12, the second electromagnetic valve 13 is electrically connected with the relay 22, a mixing barrel body 14 is fixedly mounted at one end of the liquid inlet pipe 12, a limiting conductive block 25 is electrically connected with the control end of the relay 22, and a movable conductive block 27 is electrically connected with an external circuit.
Further, the discharging direction of the waste discharging pipe 6 is vertically downward, and a first electromagnetic valve 7 is fixedly installed at the middle position of the waste discharging pipe 6.
Further, the built-in spray nozzle 17 is located at the position of the middle axis in the spray tower body 1, the spraying direction of the built-in spray nozzle 17 is vertical downward, the defogging plate 16 is arranged above the built-in spray nozzle 17, and the defogging plate 16 is fixedly installed on the inner wall of the spray tower body 1.
Further, a purified gas outlet 15 is arranged at the middle shaft of the top end of the spray tower body 1, a purified gas exhaust pipe 2 is fixedly mounted at the gas outlet end of the purified gas outlet 15, and a draught fan 9 is fixedly mounted at the middle position of the purified gas exhaust pipe 2.
The working principle is as follows: when the device is used, the device is firstly installed at a specified position, then an external power supply and an external air pipe are connected, a proper amount of spray liquid 23 is injected into the liquid storage box 10, at the moment, the submersible pump 21 is soaked at the bottom end inside the spray liquid 23, when the device starts to work, the induced fan 9 is started, acid-base waste gas enters the bottom end inside the spray tower body 1 from the waste gas inlet pipe 4 and flows upwards, then the submersible pump 21 is started, at the moment, the submersible pump 21 enables the spray liquid 23 to penetrate through the spray water guide pipe 3 and then is sprayed downwards, when the waste gas penetrates through the packing layer 18, the waste gas is mixed with the sprayed spray liquid and generates a neutralization reaction, at the moment, after the purified waste gas is dehumidified by the defogging plate 16, the purified waste gas enters the purified gas exhaust pipe 2 from the purified gas outlet 15 and is finally discharged into the external air, and the liquid mixed with impurities flows back to the bottom end inside, the filtering material guide plate 20 can collect solid impurities in the mixed liquid when the filtering material guide plate 20 passes through the filtering material guide plate 20, the filtering material guide plate 20 is obliquely arranged inside the spray tower body 1, and the lower end of the filtering material guide plate 20 is arranged at one end of the spiral discharging pipe 5, so that the collected solid particles enter the spiral discharging pipe 5, the alternating current motor 8 is started after a period of time, the first electromagnetic valve 7 is powered on and opened, at the same time, the rotation of the alternating current motor 8 drives the spiral material conveying rod 19 to rotate, the rotation of the spiral material conveying rod 19 enables the solid impurities to be discharged from the waste material discharging pipe 6, the device has an automatic discharging function, the operation mode of manual cleaning is replaced, the spraying liquid 23 is gradually reduced along with the continuous work of the device, the floating float 24 floats on the liquid level of the spraying liquid 23, and the floating float 24 is fixedly connected with the movable conductive block 27 through the limit connecting rod 26, therefore, the liquid level of the spraying liquid 23 descends, the position of the movable conductive block 27 also descends, meanwhile, the limit conductive block 25 is electrically connected with the control end of the relay 22, the movable conductive block 27 is electrically connected with an external circuit, the relay 22 is electrically connected with the second electromagnetic valve 13, when the movable conductive block 27 is in contact with the limit conductive block 25, the relay 22 receives an electric signal and controls the second electromagnetic valve 13 to be electrified, when the second electromagnetic valve 13 is electrified, the second electromagnetic valve 13 is opened, the standby liquid contained in the mixing barrel body 14 flows into the liquid storage tank 10 from the liquid inlet pipe 12, when the spraying liquid 23 in the liquid storage tank 10 is increased, the float 24 rises to drive the movable conductive block 27 to be separated from the limit conductive block 25, and at the moment, the second electromagnetic valve 13 is powered off and closed, namely, the operation of one-time automatic material supplement is completed, so that the equipment can carry out automatic material supplement, the operation of manual material supplement is not needed, and the automation degree is high.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a full-automatic high-efficient acid-base exhaust-gas treatment equipment, includes spray column body (1), its characterized in that: the spray tower comprises a spray tower body (1), and is characterized in that the spray tower body (1) is in a straight tube shape, a waste gas inlet pipe (4) is fixedly connected to the outer surface of one side of the spray tower body (1), the waste gas inlet pipe (4) is communicated with the inside of the spray tower body (1), a mounting groove is formed in the inner wall of the spray tower body (1), a packing layer (18) is fixedly arranged in the mounting groove, a built-in spray head (17) is arranged above the packing layer (18), and the packing layer (18) is located above the waste gas inlet pipe (4).
2. The full-automatic high-efficiency acid-base waste gas treatment equipment according to claim 1, characterized in that: fixedly connected with spiral row material pipe (5) on the surface of one side of spray column body (1), and the spiral row expects that pipe (5) communicates with each other with the inside of spray column body (1), the below that pipe (5) are located waste gas intake pipe (4) is arranged to the spiral, the one end fixed mounting that pipe (5) were arranged to the spiral has alternating current motor (8), the inside that pipe (5) were arranged to the spiral is arranged in to the rotation axis one end of alternating current motor (8) to with the one end fixed connection of spiral defeated material pole (19), the one end surface fixedly connected with waste material row of pipe (5) is arranged to the spiral is arranged and is managed (6), the inside fixed mounting of spray column body (1) has filtration stock guide (20).
3. The full-automatic high-efficiency acid-base waste gas treatment equipment according to claim 2, characterized in that: the filtering and material guiding device is characterized in that through holes are formed in the outer surface of the filtering and material guiding plate (20), the filtering and material guiding plate (20) is an arc-shaped plate and is obliquely arranged, and the lower end of the filtering and material guiding plate (20) is arranged at the feed inlet of the spiral discharge pipe (5).
4. The full-automatic high-efficiency acid-base waste gas treatment equipment according to claim 1, characterized in that: fixedly connected with liquid reserve tank (10) on the surface of spray column body (1), liquid reserve tank (10) communicate with each other with the inside bottom of spray column body (1), the inside of spray column body (1) and liquid reserve tank (10) all is equipped with sprays liquid (23), the inside of spraying liquid (23) is soaked there is immersible pump (21), the play water end fixed mounting of immersible pump (21) has spray water pipe (3), the other end and built-in shower nozzle (17) fixed connection of spray water pipe (3).
5. The full-automatic high-efficiency acid-base waste gas treatment equipment according to claim 4, characterized in that: fixed mounting has control box (11) on the upper end surface of liquid reserve tank (10), the inside fixed mounting of control box (11) has relay (22), spacing conducting block (25) of fixedly connected with on the inner wall of liquid reserve tank (10), be provided with spacing hole on the surface of spacing conducting block (25), and the inside in spacing hole runs through there is spacing connecting rod (26), the both ends difference fixedly connected with activity conducting block (27) and cursory (24) of spacing connecting rod (26), cursory (24) are located spacing conducting block (25) under, activity conducting block (27) are located spacing conducting block (25) directly over, fixedly connected with feed liquor pipe (12) on the upper end surface of liquid reserve tank (10), and feed liquor pipe (12) and liquid reserve tank (10) inside communicate with each other.
6. The full-automatic high-efficiency acid-base waste gas treatment equipment according to claim 5, characterized in that: the utility model discloses a liquid feeding device, including feed liquor pipe (12), intermediate position department fixed mounting of feed liquor pipe (12) has second solenoid valve (13), second solenoid valve (13) and relay (22) electric connection, the one end fixed mounting of feed liquor pipe (12) has mixed staving (14), the control end electric connection of spacing conducting block (25) and relay (22), activity conducting block (27) and external circuit electric connection.
7. The full-automatic high-efficiency acid-base waste gas treatment equipment according to claim 2, characterized in that: the discharge direction of waste material row material pipe (6) is perpendicular down, the intermediate position department fixed mounting of waste material row material pipe (6) has first solenoid valve (7).
8. The full-automatic high-efficiency acid-base waste gas treatment equipment according to claim 1, characterized in that: the built-in spray head (17) is located at the position of a middle shaft in the spray tower body (1), the spraying direction of the built-in spray head (17) is vertical downwards, a defogging plate (16) is arranged above the built-in spray head (17), and the defogging plate (16) is fixedly installed on the inner wall of the spray tower body (1).
9. The full-automatic high-efficiency acid-base waste gas treatment equipment according to claim 1, characterized in that: the top axis department of spray column body (1) is provided with purification gas outlet (15), the fixed mounting that gives vent to anger of purification gas outlet (15) has purification gas blast pipe (2), the intermediate position department fixed mounting of purification gas blast pipe (2) has induced fan (9).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010132469.6A CN111282422A (en) | 2020-02-27 | 2020-02-27 | Full-automatic high-efficient acid-base exhaust-gas treatment equipment |
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| CN202010132469.6A CN111282422A (en) | 2020-02-27 | 2020-02-27 | Full-automatic high-efficient acid-base exhaust-gas treatment equipment |
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| CN111282422A true CN111282422A (en) | 2020-06-16 |
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| CN112473341A (en) * | 2020-11-21 | 2021-03-12 | 永进电镀(深圳)有限公司 | Electroplating waste gas comprehensive treatment system and treatment method |
| CN113044420A (en) * | 2021-02-05 | 2021-06-29 | 江苏金广恒工业设备制造有限公司 | Acid and alkali resistant barrel with pH value display function and using method thereof |
| CN113044420B (en) * | 2021-02-05 | 2022-08-23 | 江苏金广恒工业设备制造有限公司 | Acid and alkali resistant barrel with pH value display function and using method thereof |
| CN117753149A (en) * | 2024-02-22 | 2024-03-26 | 淄博天元化工有限公司 | Industrial waste gas washing spray tower |
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Application publication date: 20200616 |