CN210495887U - Acid-base waste gas treatment device - Google Patents
Acid-base waste gas treatment device Download PDFInfo
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- CN210495887U CN210495887U CN201921217971.6U CN201921217971U CN210495887U CN 210495887 U CN210495887 U CN 210495887U CN 201921217971 U CN201921217971 U CN 201921217971U CN 210495887 U CN210495887 U CN 210495887U
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Abstract
The utility model discloses an acid-base exhaust treatment device adopts absorption liquid to adsorb the processing to waste gas, include: the device comprises an air inlet pipe, a primary waste gas treatment tower communicated with the air inlet pipe, a secondary waste gas treatment tower connected with the primary waste gas treatment tower in series, an exhaust pipe communicated with the secondary waste gas treatment tower, a fan arranged on the exhaust pipe and a PH control assembly; the first-stage waste gas treatment tower is connected with the second-stage waste gas treatment tower through a first connecting pipe, the second-stage waste gas treatment tower is connected with the exhaust pipe through a second connecting pipe, and the first connecting pipe is communicated with the exhaust pipe through a third connecting pipe; and a first valve used for controlling the second connecting pipe to be connected and disconnected is arranged in the second connecting pipe, and a second valve used for controlling the third connecting pipe to be connected and disconnected is arranged in the third connecting pipe. The utility model discloses an acid-base exhaust treatment device not only improves absorption efficiency through acid, the twice processing of basicity, prolongs waste gas dwell time moreover, realizes the advanced treatment of waste gas.
Description
Technical Field
The utility model relates to a waste gas treatment field especially relates to an acid-base exhaust treatment device.
Background
With the increasing environmental requirements, especially the PCB enterprises around the residential area are under increasing pressure. The PCB waste gas is mainly divided into three categories, namely acid-base waste gas, organic waste gas and dust, wherein the acid-base waste gas is mainly used. Traditional acid waste gas generally adopts alkali lye to spray and adsorbs, and alkaline waste gas adopts acidizing fluid to spray and adsorbs, and in the waste gas of PCB manufacturing process section produces dirty link, often accompanies acid, the crisscross condition of alkaline waste gas, and traditional exhaust-gas treatment is inefficient, and partial waste gas can not be absorbed and white smog appears.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model discloses lie in overcoming prior art when the crisscross condition of acid, alkaline waste gas, exhaust-gas treatment is inefficient, and partial waste gas can not absorbed and the defect of white smog appears, provides an acid-base exhaust-gas treatment device.
The technical scheme is as follows:
an acid-base waste gas treatment device for adsorbing and treating waste gas by adopting absorption liquid comprises: the system comprises an air inlet pipe, a primary waste gas treatment tower communicated with the air inlet pipe, a secondary waste gas treatment tower connected with the primary waste gas treatment tower in series, an exhaust pipe communicated with the secondary waste gas treatment tower, a fan arranged on the exhaust pipe, and a PH control assembly used for controlling the PH values of absorption liquid in the primary waste gas treatment tower and the secondary waste gas treatment tower; the first-stage waste gas treatment tower is connected with the second-stage waste gas treatment tower through a first connecting pipe, the second-stage waste gas treatment tower is connected with the exhaust pipe through a second connecting pipe, and the first connecting pipe is communicated with the exhaust pipe through a third connecting pipe; and a first valve used for controlling the second connecting pipe to be connected and disconnected is arranged in the second connecting pipe, and a second valve used for controlling the third connecting pipe to be connected and disconnected is arranged in the third connecting pipe.
This technical scheme's acid-base exhaust treatment device includes that one-level waste gas administers tower and second grade waste gas administers the tower, and the absorption liquid that sets up in the one-level waste gas administers the tower and the second grade waste gas administers the absorption liquid acid-base difference that sets up, one is acid absorption liquid promptly, one is alkaline absorption liquid, is applicable to the condition that acid and alkaline mixed waste gas and the local high concentration acid-base waste gas of short time are difficult to separately administer from the source. The tower is administered to one-level waste gas with the second grade waste gas is administered the tower and is passed through the negative pressure effect of fan for waste gas removes toward the negative pressure direction when getting into the tower body, finally by the blast pipe discharge, all be equipped with the absorption liquid of certain PH value bottom one-level waste gas is administered the tower and the second grade waste gas is administered the bottom, acidic waste gas is administered then the PH value of controlling the absorption liquid through PH control assembly in 8-11 alkaline condition, alkaline waste gas is administered then the PH value of controlling the absorption liquid in 2-6 acidic condition, after the reaction of tower is administered to one-level waste gas and second grade waste gas, harmful substance in the waste gas is shifted to in the absorption liquid, realize waste gas control. Specifically, when the acid-base waste gas treatment device of the technical scheme is used, a single primary waste gas treatment tower can be selected for treatment or both the primary waste gas treatment tower and the secondary waste gas treatment tower can be selected for treatment; when the components of the waste gas are stable, the first valve is normally closed, the second valve is normally opened, and the waste gas is discharged out of the exhaust pipe after being treated by the primary waste gas treatment tower only under the negative pressure action of the fan; when the maintenance or add medicament, often along with the crisscross condition of acid, alkaline waste gas, then first valve is normally opened, and the second valve is normally closed, and waste gas is handled via second grade waste gas treatment tower after the processing of one-level waste gas treatment tower, handles through the absorption liquid of the different liquid medicine systems of two-stage promptly, and waste gas is handled through acid, the basicity twice like this, not only improves absorption efficiency, prolongs waste gas dwell time moreover, realizes the advanced treatment of waste gas.
In one embodiment, the primary waste gas treatment tower comprises a first gas inlet communicated with the gas inlet pipe and a first gas outlet communicated with the first connecting pipe, the first gas inlet is positioned below the primary waste gas treatment tower, the lower edge of the first gas inlet is higher than the liquid level of the absorption liquid, and the first gas outlet is positioned at the top of the primary waste gas treatment tower; the secondary waste gas treatment tower comprises a second gas inlet communicated with the first connecting pipe and a second gas outlet communicated with the second connecting pipe; the second air inlet is positioned below the primary waste gas treatment tower, and the second air outlet is positioned at the top of the primary waste gas treatment tower.
In one embodiment, the PH control assembly comprises a drug storage barrel in communication with both the primary and secondary waste gas treatment towers, and first and second PH monitors disposed in the primary and secondary waste gas treatment towers, respectively; the medicine storage barrel is connected with the first-stage waste gas treatment tower and the second-stage waste gas treatment tower through a first-stage medicine feeding pump and a second-stage medicine feeding pump respectively, and the first-stage medicine feeding pump and the second-stage medicine feeding pump are connected with the first PH value monitor and the second PH value monitor respectively.
In one embodiment, the PH control assembly further comprises a third PH monitor disposed within the inlet pipe and a fourth PH monitor disposed within the first connecting pipe.
In one embodiment, a first groove for setting the third PH monitor is arranged in the air inlet pipe; a second groove for arranging the fourth PH value monitor is arranged in the first connecting pipe; and wetting liquid for wetting the third pH value monitor and the fourth pH value monitor is arranged in the first groove and the second groove.
In one embodiment, the air conditioner further comprises a pressure sensor, wherein the pressure sensor is arranged in the air inlet pipe.
In one embodiment, the air inlet tube comprises a backflow prevention elbow.
In one embodiment, the first connecting pipe extends into the secondary waste gas treatment tower, and the pipe orifice of the first connecting pipe is flush with the liquid level of the absorption liquid in the secondary waste gas treatment tower; or the pipe orifice of the first connecting pipe is positioned below the liquid level of the absorption liquid.
In one embodiment, the primary waste gas treatment tower and the secondary waste gas treatment tower respectively comprise a circulating water pump for circularly spraying the absorption liquid, and a spray header communicated with the circulating water pump.
In one embodiment, the primary waste gas treatment tower and the secondary waste gas treatment tower respectively comprise a flow distribution layer and a demisting layer which are arranged at intervals, and the spray header is arranged above the flow distribution layer.
Drawings
Fig. 1 is a schematic structural diagram of an acid-base waste gas treatment device according to an embodiment of the present invention.
Description of reference numerals:
10. an absorption liquid; 20. an air inlet pipe; 21. a backflow prevention elbow; 30. a primary waste gas treatment tower; 31. a water circulating pump; 32. a shower head; 33. a flow distribution layer; 34. a demisting layer; 40. a secondary waste gas treatment tower; 50. an exhaust pipe; 60. a fan; 70. a pH control component; 71. a medicine storage barrel; 72. a first pH monitor; 73. a second pH monitor; 74. a first-stage dosing pump; 75. a second-stage dosing pump; 76. turning on a pH value monitor; 77. a fourth pH monitor; 78. wetting fluid; 80. a first connecting pipe; 90. a second connecting pipe; 100. a third connecting pipe; 110. a first valve; 120. a second valve.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, 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 invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the present invention, the terms "first" and "second" do not denote any particular quantity or order, but are merely used to distinguish names.
An acid-base waste gas treatment device shown in fig. 1, which adopts an absorption liquid 10 to perform adsorption treatment on waste gas, comprises: an air inlet pipe 20, a primary waste gas treatment tower 30 communicated with the air inlet pipe 20, a secondary waste gas treatment tower 40 connected with the primary waste gas treatment tower 30 in series, an air outlet pipe 50 communicated with the secondary waste gas treatment tower 40, a fan 60 arranged on the air outlet pipe 50, and a pH control component 70 for controlling the pH value of the absorption liquid in the primary waste gas treatment tower 30 and the secondary waste gas treatment tower 40; the primary exhaust gas treatment tower 30 is connected with the secondary exhaust gas treatment tower 40 through a first connecting pipe 80, the secondary exhaust gas treatment tower 40 is connected with the exhaust pipe 50 through a second connecting pipe 90, and the first connecting pipe 80 is communicated with the exhaust pipe 50 through a third connecting pipe 100, so that the primary exhaust gas treatment tower 30 is also communicated with the exhaust pipe 50; a first valve 110 for controlling the on-off of second connection pipe 90 is disposed in second connection pipe 90, and a second valve 120 for controlling the on-off of third connection pipe 100 is disposed in third connection pipe 100.
The acid-base waste gas treatment device of the embodiment comprises a first-stage waste gas treatment tower 30 and a second-stage waste gas treatment tower 40, and the absorption liquid 10 arranged in the first-stage waste gas treatment tower 30 is different from the absorption liquid 10 arranged in the second-stage waste gas treatment tower 40 in acid-base property, namely one is the acid absorption liquid 10 and the other is the alkaline absorption liquid 10, so that the acid-base waste gas treatment device is suitable for the situation that acid and alkaline mixed waste gas and short-time local high-concentration acid-base waste gas are difficult to separately treat from the source. The first-stage waste gas treatment tower 30 and the second-stage waste gas treatment tower 40 move towards the negative pressure direction when entering the tower body through the negative pressure action of the fan 60, and are finally discharged through the exhaust pipe 50, the absorption liquid 10 with a certain PH value is arranged at the bottoms of the first-stage waste gas treatment tower 30 and the second-stage waste gas treatment tower 40, the PH value of the absorption liquid 10 is controlled under the alkaline condition of 8-11 through the PH control component 70 during acid waste gas treatment, the PH value of the absorption liquid 10 is controlled under the acidic condition of 2-6 during alkaline waste gas treatment, and after the reaction of the first-stage waste gas treatment tower 30 and the second-stage waste gas treatment tower 40, harmful substances in the waste gas are transferred to the absorption liquid 10, so that waste gas treatment is realized. Specifically, when the acid-base waste gas treatment device of the present embodiment is used, a single primary waste gas treatment tower 30 may be selected for treatment or both the primary waste gas treatment tower 30 and the secondary waste gas treatment tower 40 may be selected for treatment; when the components of the waste gas are stable, the first valve 110 is normally closed, the second valve 120 is normally opened, and the waste gas is exhausted out of the exhaust pipe after being treated by the primary waste gas treatment tower 30 under the negative pressure action of the fan 60; when a medicament is maintained or added, the acidic and alkaline waste gas is usually crossed, the first valve 110 is normally opened, the second valve 120 is normally closed, the waste gas is treated by the first-stage waste gas treatment tower 30 and then treated by the second-stage waste gas treatment tower 40, namely treated by the absorption liquid 10 of two stages of different liquid medicament systems, so that the waste gas is treated by the acidic and alkaline systems, the generation of white smoke is avoided, the absorption efficiency is improved, the waste gas retention time is prolonged, and the deep treatment of the waste gas is realized.
The primary waste gas treatment tower 30 of the present embodiment includes a first gas inlet for communicating with the gas inlet pipe 20, and a first gas outlet for communicating with the first connecting pipe 80, the first gas inlet is located below the primary waste gas treatment tower 30, and the lower edge of the first gas inlet is higher than the liquid level of the absorption liquid 10, so as to ensure that the waste gas smoothly enters the primary waste gas treatment tower 30, and the first gas outlet is located at the top of the primary waste gas treatment tower 30; thereby when waste gas gets into one-level waste gas treatment tower, make waste gas follow supreme motion down through the negative pressure effect, conveniently spray the absorption to waste gas to when exclusive use one-level waste gas treatment tower 30, avoid waste gas to get into second grade waste gas treatment tower 40 through first connecting pipe 80. Similarly, the secondary exhaust gas treatment tower 40 includes a second gas inlet for communicating with the first connection pipe 80, and a second gas outlet for communicating with the second connection pipe 90; the second air inlet is located below the primary exhaust gas treatment tower 30, and the second air outlet is located at the top of the primary exhaust gas treatment tower 30.
The PH control assembly 70 of this embodiment includes a drug storage barrel 71 communicated with both the primary waste gas treatment tower 30 and the secondary waste gas treatment tower 40, and a first PH monitor 72 and a second PH monitor 73 respectively disposed in the primary waste gas treatment tower 30 and the secondary waste gas treatment tower 40 for monitoring the PH of the absorption liquid therein; the medicine storage barrel 71 is connected with the first-stage waste gas treatment tower 30 and the second-stage waste gas treatment tower 40 through a first-stage dosing pump 74 and a second-stage dosing pump 75 respectively, and the first-stage dosing pump 74 and the second-stage dosing pump 75 are connected with the first pH value monitor 72 and the second pH value monitor 73 respectively. Namely, the first PH monitor 72 and the second PH monitor 73 respectively monitor the PH values of the absorption liquid 10 in the first-stage waste gas treatment tower 30 and the second-stage waste gas treatment tower 40, and feed the PH values back to the first-stage dosing pump 74 and the second-stage dosing pump 75, so that the dosing amount is controlled by the first-stage dosing pump 74 and the second-stage dosing pump 75, and the PH values of the absorption liquid 10 in the first-stage waste gas treatment tower 30 and the second-stage waste gas treatment tower 40 meet the waste gas treatment requirements. Because the absorption liquid 10 needs to be matched with acid and alkali, the number of the medicine storage barrels 71 is two, and acid liquid and alkali liquid are stored respectively, and similarly, the number of the first-stage medicine adding pumps 74 and the second-stage medicine adding pumps 75 is two and is matched with the medicine storage barrels 71 for use.
In order to facilitate the disposition of the absorbent solution 10 and to determine the acidity or alkalinity of the absorbent solution 10, the PH control module 70 further includes a third PH monitor 76 disposed in the intake pipe 20 and a fourth PH monitor 77 disposed in the first connection pipe 80. The third PH monitor 76 and the fourth PH monitor 77 are used for monitoring the PH of the exhaust gas source and are respectively connected to the first dosing pump 74 and the second dosing pump 75. When the PH value of the source waste gas is acidic, controlling the PH value of the absorption liquid 10 to be alkaline corresponding to a dosing pump in the waste gas treatment tower, wherein the PH value is 8-11; when the source waste gas PH is alkaline, the PH of the absorption liquid 10 is controlled to be acidic by a dosing pump in the corresponding waste gas treatment tower, the PH value is 2-6, and the automatic control degree is greatly improved.
In consideration of the principle of PH detection, that is, the third PH monitor 76 and the fourth PH monitor 77 need to be conductive, a first groove for arranging the third PH monitor 76 is formed in the air inlet pipe 20; a second groove for arranging the fourth PH monitor 77 is formed in the first connection pipe 80; and wetting liquid 78 for wetting the third pH value monitor 76 and the fourth pH value monitor 77 is arranged in each of the first groove and the second groove. The wetting fluid 78 is used to wet the third PH monitor 76 and the fourth PH monitor 77 to make them electrically conductive, thereby better monitoring the PH of the exhaust source. The wetting liquid 78 is tap water in the present embodiment, and may be another conductive liquid in other embodiments.
Since the second-stage treatment is adopted in the present embodiment, in order to ensure that the air volume of the production line is not changed, the present embodiment further includes a pressure sensor 130, the pressure sensor 130 is disposed in the air inlet pipe 20, and the pressure sensor 130 is electrically connected to the fan 60. Namely, the source air pressure is automatically captured by the pressure sensor 130, a signal is fed back to the fan 60, and the fan 60 automatically adjusts the frequency according to the air pressure to maintain the source air pressure unchanged. The fan 60 is a variable frequency fan.
The air inlet pipe 20 comprises a backflow prevention elbow 21, the backflow prevention elbow 21 is in a bent pipe shape and is in a high-position bending shape, namely, the backflow prevention elbow 21 is upwards convexly bent, and therefore the situation that the absorption liquid 10 flows backwards after the fan 60 stops and remains in the air inlet pipe 20 is avoided.
When the waste gas is only required to be treated by the first-stage waste gas treatment tower 30, although the first valve 110 is closed, the waste gas is required to be discharged from the third connecting pipe 100 to the exhaust pipe 50, in order to prevent part of the waste gas from entering the second-stage waste gas treatment tower 40, in this embodiment, the first connecting pipe 80 extends into the second-stage waste gas treatment tower 40, and the pipe orifice of the first connecting pipe 80 is flush with the liquid level of the absorption liquid 10 in the second-stage waste gas treatment tower 40, so that the absorption liquid 10 has a liquid sealing effect on the pipe orifice of the first connecting pipe 80, and the waste gas is prevented from entering the second-stage waste gas treatment tower. When the secondary waste gas treatment tower 40 needs to be used, the absorption liquid 10 in the secondary waste gas treatment tower is extracted to spray and adsorb waste gas, so that the liquid level of the absorption liquid 10 is reduced, the pipe orifice of the first connecting pipe 80 is exposed, and the waste gas enters. In other embodiments, the orifice of the first connecting pipe 80 may be located below the liquid level of the absorption liquid 10, and the orifice of the first connecting pipe 80 is exposed when the spray adsorption is performed.
The primary waste gas treatment tower 30 and the secondary waste gas treatment tower 40 in the present embodiment each include a circulating water pump 31 for circularly spraying the absorption liquid 10, and a spray header 32 communicated with the circulating water pump 31. Specifically, the circulating water pump 31 of the present embodiment is connected to the shower heads 32 through water pipes, and the number of the shower heads 32 is plural, and the plural shower heads 32 form a shower net to perform a shower adsorption treatment on the exhaust gas.
The first-stage waste gas treatment tower 30 and the second-stage waste gas treatment tower 40 both comprise a flow distribution layer 33 and a demisting layer 34 which are arranged at intervals, and the spray header 32 is arranged above the flow distribution layer 33. The flow distribution layers 33 guide the flow of the waste gas, so that the waste gas is uniformly distributed in the waste gas treatment tower, in the embodiment, the flow distribution layers 33 are Raschig ring flow distribution layers, the number of the flow distribution layers 33 is two, the two flow distribution layers 33 are arranged in parallel at intervals, and a spray head 32 is arranged above each flow distribution layer 33. The defogging layer 34 is arranged above the two flow distribution layers 33, and is used for defogging the waste gas before the waste gas is discharged out of the waste gas treatment tower, wherein the defogging layer 34 is a filter screen in the embodiment.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides an acid-base exhaust treatment device, adopts the absorption liquid to adsorb the processing to the waste gas, its characterized in that includes: the system comprises an air inlet pipe, a primary waste gas treatment tower communicated with the air inlet pipe, a secondary waste gas treatment tower connected with the primary waste gas treatment tower in series, an exhaust pipe communicated with the secondary waste gas treatment tower, a fan arranged on the exhaust pipe, and a PH control assembly used for controlling the PH values of absorption liquid in the primary waste gas treatment tower and the secondary waste gas treatment tower; the first-stage waste gas treatment tower is connected with the second-stage waste gas treatment tower through a first connecting pipe, the second-stage waste gas treatment tower is connected with the exhaust pipe through a second connecting pipe, and the first connecting pipe is communicated with the exhaust pipe through a third connecting pipe; and a first valve used for controlling the second connecting pipe to be connected and disconnected is arranged in the second connecting pipe, and a second valve used for controlling the third connecting pipe to be connected and disconnected is arranged in the third connecting pipe.
2. The acid-base waste gas treatment device according to claim 1, wherein the primary waste gas treatment tower comprises a first gas inlet communicated with the gas inlet pipe and a first gas outlet communicated with the first connecting pipe, the first gas inlet is positioned below the primary waste gas treatment tower, the lower edge of the first gas inlet is higher than the liquid level of the absorption liquid, and the first gas outlet is positioned at the top of the primary waste gas treatment tower; the secondary waste gas treatment tower comprises a second gas inlet communicated with the first connecting pipe and a second gas outlet communicated with the second connecting pipe; the second air inlet is positioned below the primary waste gas treatment tower, and the second air outlet is positioned at the top of the primary waste gas treatment tower.
3. The acid-base waste gas treatment device according to claim 1, wherein the PH control assembly comprises a chemical storage barrel in communication with both the primary waste gas treatment tower and the secondary waste gas treatment tower, and a first PH monitor and a second PH monitor respectively disposed in the primary waste gas treatment tower and the secondary waste gas treatment tower; the medicine storage barrel is connected with the first-stage waste gas treatment tower and the second-stage waste gas treatment tower through a first-stage medicine feeding pump and a second-stage medicine feeding pump respectively, and the first-stage medicine feeding pump and the second-stage medicine feeding pump are connected with the first PH value monitor and the second PH value monitor respectively.
4. The acid-base off-gas treatment device of claim 3, wherein the pH control assembly further comprises a third pH monitor disposed within the inlet pipe and a fourth pH monitor disposed within the first connecting pipe.
5. The acid-base waste gas treatment device according to claim 4, wherein a first groove for setting the third pH monitor is arranged in the gas inlet pipe; a second groove for arranging the fourth PH value monitor is arranged in the first connecting pipe; and wetting liquid for wetting the third pH value monitor and the fourth pH value monitor is arranged in the first groove and the second groove.
6. The acid-base exhaust gas treatment device of claim 1, further comprising a pressure sensor disposed within the intake pipe.
7. The acid-base exhaust treatment device of claim 1, wherein the inlet pipe comprises a backflow prevention elbow.
8. The acid-base waste gas treatment device according to any one of claims 1 to 7, wherein the first connection pipe extends into the secondary waste gas treatment tower, and the orifice of the first connection pipe is flush with the liquid level of the absorption liquid in the secondary waste gas treatment tower; or the pipe orifice of the first connecting pipe is positioned below the liquid level of the absorption liquid.
9. The acid-base exhaust gas treatment device according to claim 8, wherein the primary exhaust gas treatment tower and the secondary exhaust gas treatment tower each comprise a circulating water pump for circulating spraying of the absorption liquid, and a spray header communicating with the circulating water pump.
10. The acid-base waste gas treatment device according to claim 9, wherein the primary waste gas treatment tower and the secondary waste gas treatment tower each comprise a flow distribution layer and a demisting layer which are arranged at intervals, and the spray header is arranged above the flow distribution layer.
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| CN201921217971.6U CN210495887U (en) | 2019-07-29 | 2019-07-29 | Acid-base waste gas treatment device |
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| CN201921217971.6U CN210495887U (en) | 2019-07-29 | 2019-07-29 | Acid-base waste gas treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110302649A (en) * | 2019-07-29 | 2019-10-08 | 广州兴森快捷电路科技有限公司 | Soda acid emission-control equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110302649A (en) * | 2019-07-29 | 2019-10-08 | 广州兴森快捷电路科技有限公司 | Soda acid emission-control equipment |
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