CN107694311A - It is a kind of to be used for the purifier containing sour gas - Google Patents
It is a kind of to be used for the purifier containing sour gas Download PDFInfo
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- CN107694311A CN107694311A CN201710882652.6A CN201710882652A CN107694311A CN 107694311 A CN107694311 A CN 107694311A CN 201710882652 A CN201710882652 A CN 201710882652A CN 107694311 A CN107694311 A CN 107694311A
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- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 title description 2
- 239000007789 gas Substances 0.000 claims abstract description 82
- 239000002253 acid Substances 0.000 claims abstract description 81
- 239000007788 liquid Substances 0.000 claims abstract description 71
- 238000000746 purification Methods 0.000 claims abstract description 22
- 239000002912 waste gas Substances 0.000 claims abstract description 17
- 239000010865 sewage Substances 0.000 claims abstract description 4
- 238000010521 absorption reaction Methods 0.000 claims description 28
- 239000003595 mist Substances 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 12
- 230000002378 acidificating effect Effects 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 2
- 239000006199 nebulizer Substances 0.000 claims 2
- 238000006386 neutralization reaction Methods 0.000 abstract description 15
- 238000011282 treatment Methods 0.000 abstract description 8
- 238000003912 environmental pollution Methods 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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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
-
- 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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- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
本发明公开了一种用于含有酸性气体的净化装置，包括第一、二塔体，第一塔体设有酸气接入管，第一塔体和第二塔体之间通过风机连接，第二塔体内部的底部设有集液槽，集液槽内盛装有碱性液，第二塔体的底部处接入有循环泵Ⅱ，循环泵Ⅱ通过供液管路通向第二塔体内部靠近顶部处，第二塔体的顶部设有废气排放管，第二塔体的底部均匀分布若干排污口；第二塔体在其内部靠近顶部处设有除雾层，并且第二塔体中段分布有至少两个酸气吸收层，酸气吸收层内填充有海绵体，海绵体内浸有碱性液，供液管路的上端部的出口处通过支架连接一个雾化器。本发明经过两次中和处理，使酸性废气得到充分中和，进一步净化了酸气，从而达到国家标准排放要求。
The invention discloses a purification device for acid gas, which comprises first and second tower bodies, the first tower body is provided with an acid gas inlet pipe, the first tower body and the second tower body are connected by a fan, The bottom of the second tower body is provided with a liquid collection tank, which is filled with alkaline liquid, and the bottom of the second tower body is connected to the circulation pump II, which leads to the second tower through the liquid supply pipeline. The top of the second tower body is near the top, and the top of the second tower body is provided with a waste gas discharge pipe, and a number of sewage outlets are evenly distributed at the bottom of the second tower body; the second tower body is provided with a defogging layer near the top inside, and the second tower body There are at least two acid gas absorbing layers distributed in the middle of the body, the acid gas absorbing layer is filled with sponge body, the sponge body is immersed in alkaline liquid, and the outlet of the upper end of the liquid supply pipeline is connected with an atomizer through a bracket. The invention undergoes two neutralization treatments to fully neutralize the acid waste gas and further purify the acid gas so as to meet the emission requirements of national standards.
Description
技术领域technical field
本发明涉及废气净化处理技术，特别涉及一种用于含有酸性气体的净化装置。The invention relates to waste gas purification treatment technology, in particular to a purification device for acid gas.
背景技术Background technique
现有技术中对酸雾进行处理净化的设备为酸雾净化塔，传统的酸雾净化塔包括塔体，在塔体的底部设置有盛贮酸雾中和液的贮液槽，塔体的下部位于所述贮液槽的上部设置有进气口，塔体的顶部设置有净化气体出口，塔体中位于贮液槽的上方设置有至少一段酸雾吸收填料层，每段酸雾吸收填料层上方对应设置有一喷淋管，所述喷淋管通过泵液组件与所述贮液槽连通。这种方式只能通过填料层以及喷淋管对酸雾进行吸收净化，由于填料层的吸收能力以及喷淋管的喷淋压力和中和液浓度固定，在净化过程中存在净化不充分的不足，而且这种传统的酸雾净化塔为直筒的结构，酸雾气体由下向上流通的过程中，酸雾的冷凝效果不好，往往酸雾还未完全便被排出，净化效果不好。In the prior art, the equipment for treating and purifying acid mist is an acid mist purification tower. The traditional acid mist purification tower includes a tower body, and a liquid storage tank for storing acid mist neutralizing liquid is arranged at the bottom of the tower body. The lower part is located on the upper part of the liquid storage tank and is provided with an air inlet, and the top of the tower body is provided with a purified gas outlet, and at least one section of acid mist absorbing packing layer is arranged above the liquid storage tank in the tower body, and each section of acid mist absorbing packing layer A spray pipe is correspondingly arranged above the layer, and the spray pipe communicates with the liquid storage tank through the liquid pump assembly. This method can only absorb and purify the acid mist through the packing layer and the spray pipe. Due to the absorption capacity of the packing layer, the spray pressure of the spray pipe and the fixed concentration of neutralizing liquid, there is insufficient purification in the purification process. , and this traditional acid mist purification tower is a straight cylinder structure. During the process of acid mist gas circulation from bottom to top, the condensation effect of acid mist is not good, and the acid mist is often discharged before it is completely discharged, and the purification effect is not good.
发明内容Contents of the invention
本发明所要解决的技术问题是提供一种用于含有酸性气体的净化装置，该酸气中和塔能够进一步净化酸性废气，降低环境污染。The technical problem to be solved by the present invention is to provide a purification device for acid gas. The acid gas neutralization tower can further purify acid waste gas and reduce environmental pollution.
为实现上述目的，本发明提供以下的技术方案：一种用于含有酸性气体的净化装置，包括第一塔体，所述第一塔体设有酸气接入管，酸气接入管的端部接入第一塔体内部靠近底部处，第一塔体内设有喷淋装置，喷淋装置通过循环泵Ⅰ接入吸收液，还包括第二塔体，所述第二塔体设于第一塔体的一侧，第一塔体和第二塔体之间通过风机连接，风机进气端通过管道与第一塔体的顶部连接，出气端通过另一管道通向第二塔体内部靠近底部处，所述第二塔体内部的底部设有集液槽，集液槽内盛装有碱性液，所述风机的出气端通向集液槽的液面以下，第二塔体的底部处接入有循环泵Ⅱ，所述循环泵Ⅱ的一端设于第二塔体内部靠近底部处，另一端通过供液管路通向第二塔体内部靠近顶部处，第二塔体的顶部设有废气排放管，所述第二塔体的底部均匀分布若干排污口；第二塔体在其内部靠近顶部处设有除雾层，并且第二塔体的内部的中段均匀的分布有至少两个酸气吸收层，所述酸气吸收层呈上下分布，所述酸气吸收层内填充有海绵体，所述海绵体内浸有碱性液，并且所述酸气吸收层的上下两侧设有用于气体流动的气孔；所述供液管路的上端部位于最上层的酸气吸收层上方，并位于除雾层的下方，所述供液管路的上端部的出口处通过支架连接一个雾化器，所述雾化器包括高压进液管，所述高压进液管的一端与供液管路连接，另一端与涡轮增压器的进气口连接，所述涡轮增压器的废弃进气口穿出第二塔体与压风管连接，并且所述涡轮增压器的出气口连接出液管，涡轮增压器的叶轮转轴上安装有压气机叶轮，所述出液管的出液端连接第一喷头；每个所述酸气吸收层的上方均设有一排第二喷头，所述第二喷头分别通过喷林管与供液管路的中段连接；所述第一、第二塔体的侧壁上设有溢流管。In order to achieve the above object, the present invention provides the following technical solutions: a purification device for containing acid gas, comprising a first tower body, the first tower body is provided with an acid gas inlet pipe, the acid gas inlet pipe The end is connected to the inside of the first tower near the bottom. The first tower is equipped with a spray device, which is connected to the absorption liquid through the circulation pump I, and also includes the second tower. The second tower is located in the One side of the first tower body, the first tower body and the second tower body are connected by a fan, the air inlet end of the fan is connected to the top of the first tower body through a pipe, and the air outlet end leads to the second tower body through another pipe The interior is close to the bottom, and the bottom of the second tower body is provided with a liquid collection tank, which is filled with alkaline liquid, and the outlet end of the fan leads to below the liquid level of the liquid collection tank, and the second tower body Circulation pump II is connected to the bottom of the second tower body. One end of the circulation pump II is located near the bottom inside the second tower body, and the other end leads to the inner part of the second tower body near the top through the liquid supply pipeline. The second tower body The top of the second tower is provided with a waste gas discharge pipe, and the bottom of the second tower body is evenly distributed with several sewage outlets; the second tower body is provided with a demister layer near the top, and the middle section of the second tower body is evenly distributed There are at least two acid gas absorption layers, the acid gas absorption layer is distributed up and down, the acid gas absorption layer is filled with sponge body, the sponge body is immersed in alkaline liquid, and the upper and lower sides of the acid gas absorption layer Air holes for gas flow are provided on both sides; the upper end of the liquid supply pipeline is located above the uppermost acid gas absorption layer and below the demister layer, and the outlet of the upper end of the liquid supply pipeline passes through The bracket is connected with an atomizer, and the atomizer includes a high-pressure liquid inlet pipe, one end of the high-pressure liquid inlet pipe is connected with the liquid supply pipeline, and the other end is connected with the air inlet of the turbocharger, and the turbocharger The discarded air inlet of the compressor passes through the second tower body and is connected with the compressed air pipe, and the gas outlet of the turbocharger is connected with the liquid outlet pipe, and the compressor impeller is installed on the impeller shaft of the turbocharger. The liquid outlet end of the liquid outlet pipe is connected to the first nozzle; a row of second nozzles is arranged above each acid gas absorption layer, and the second nozzles are respectively connected to the middle section of the liquid supply pipeline through the forest spray pipe; Overflow pipes are arranged on the side walls of the first and second tower bodies.
优选的，第一、二塔体的底部均接入碱性液补液管。Preferably, the bottoms of the first and second tower bodies are both connected to alkaline liquid replenishment pipes.
优选的，第二塔体的内部在相邻的两个酸气吸收层之间以及最下层的酸气吸收层下方分别设有导流板，所述导流板倾斜向下。Preferably, the inside of the second tower body is respectively provided with deflectors between two adjacent acid gas absorption layers and below the lowest acid gas absorption layer, and the deflectors are inclined downward.
优选的，导流板的倾斜角度为30°。Preferably, the inclination angle of the deflector is 30°.
优选的，第二塔体的内侧壁靠近顶部处设有酸碱度传感器，所述酸碱度传感器通过防腐蚀导线与设在第二塔体外壁上的显示屏连接。Preferably, a pH sensor is provided near the top of the inner wall of the second tower, and the pH sensor is connected to a display screen arranged on the outer wall of the second tower through an anti-corrosion wire.
优选的，第一、第二塔体高度相同。Preferably, the heights of the first and second tower bodies are the same.
采用上述技术方案，经过第一塔体处理过的酸性废气，先中和一部分的酸性废气，再将未中和的酸气通过泵机进入到第二塔体内进行第二次中和处理，降低了二次中和时的酸气浓度，提高了净化塔的净化能力。第二塔体中的酸气吸收层吸收了通过气孔的酸气，使酸气与海绵体的碱性液发生中和反应，然后通过冷却从新滴入集液槽内，经过反复的中和后，气体进入到酸气吸收层的上方，而酸气吸收层的上方同样含有经过雾化器雾化的碱性液，在气体排出第二塔体前，经过多重的中和反应，彻底净化了废气中的酸气。本发明经过两次中和处理，使酸性废气得到充分中和，进一步净化了酸气，从而降低环境污染。Using the above technical scheme, the acid waste gas treated by the first tower first neutralizes part of the acid waste gas, and then the unneutralized acid gas enters the second tower through the pump for the second neutralization treatment, reducing The concentration of acid gas during secondary neutralization is improved, and the purification capacity of the purification tower is improved. The acid gas absorption layer in the second tower body absorbs the acid gas passing through the pores, neutralizes the acid gas and the alkaline liquid in the sponge body, and then drips into the liquid collection tank again through cooling, after repeated neutralization , the gas enters the top of the acid gas absorption layer, and the top of the acid gas absorption layer also contains alkaline liquid atomized by the atomizer. Before the gas is discharged from the second tower, it undergoes multiple neutralization reactions to thoroughly purify Acid gas in exhaust gas. The invention undergoes two neutralization treatments to fully neutralize the acid waste gas, further purify the acid gas, and thereby reduce environmental pollution.
附图说明Description of drawings
图1是本发明结构示意图；Fig. 1 is a structural representation of the present invention;
图2是本发明的第二塔体结构示意图；Fig. 2 is the second tower structure schematic diagram of the present invention;
图3为本发明中的涡轮增压器的结构示意图。Fig. 3 is a structural schematic diagram of the turbocharger in the present invention.
具体实施方式detailed description
下面结合附图，通过对实施例的描述，对本发明做进一步说明：Below in conjunction with accompanying drawing, by describing embodiment, the present invention will be further described:
如图1-3所示，本发明一种用于含有酸性气体的净化装置，包括第一塔体1、第二塔体4，第一、第二塔体1、4高度相同。第一塔体1设有酸气接入管2，酸气接入管2的端部接入第一塔体1内部靠近底部处，第一塔体1内设有喷淋装置，喷淋装置通过循环泵Ⅰ3接入吸收液，第一、第二塔体1、4的侧壁上设有溢流管13。As shown in Figures 1-3, the present invention is a purification device for acidic gas, comprising a first tower body 1 and a second tower body 4, and the first and second tower bodies 1 and 4 are of the same height. The first tower body 1 is provided with an acid gas inlet pipe 2, and the end of the acid gas inlet pipe 2 is connected to the inside of the first tower body 1 near the bottom, and the first tower body 1 is provided with a spraying device. The absorption liquid is connected through the circulating pump I3, and overflow pipes 13 are provided on the side walls of the first and second tower bodies 1 and 4 .
第二塔体4设于第一塔体1的一侧，第一塔体1和第二塔体4之间通过风机5连接，风机5进气端通过管道与第一塔体1的顶部连接，出气端通过另一管道通向第二塔体4内部靠近底部处。The second tower body 4 is arranged on one side of the first tower body 1, and the first tower body 1 and the second tower body 4 are connected by a fan 5, and the air inlet end of the fan 5 is connected with the top of the first tower body 1 through a pipeline. , the gas outlet end leads to the inside of the second tower body 4 near the bottom through another pipeline.
第二塔体4内部的底部设有集液槽8，集液槽8内盛装有碱性液，风机5的出气端通向集液槽8的液面以下，第二塔体4的底部处接入有循环泵Ⅱ6，循环泵Ⅱ6的一端设于第二塔体4内部靠近底部处，另一端通过供液管路61通向第二塔体4内部靠近顶部处，第二塔体4的顶部设有废气排放管10，第二塔体4的底部均匀分布若干排污口11。The bottom inside the second tower body 4 is provided with a sump 8, which is filled with alkaline liquid, and the gas outlet end of the blower fan 5 leads to below the liquid level of the sump 8. At the bottom of the second tower body 4 A circulation pump II6 is connected, and one end of the circulation pump II6 is located near the bottom of the second tower body 4, and the other end leads to the interior of the second tower body 4 near the top through the liquid supply pipeline 61, and the second tower body 4 A waste gas discharge pipe 10 is arranged on the top, and several sewage outlets 11 are evenly distributed on the bottom of the second tower body 4 .
第二塔体4在其内部靠近顶部处设有除雾层12，并且第二塔体4的内部的中段均匀的分布有至少两个酸气吸收层41，酸气吸收层41呈上下分布，酸气吸收层41内填充有海绵体42，海绵体42内浸有碱性液，并且酸气吸收层41的上下两侧设有用于气体流动的气孔。The second tower body 4 is provided with a defogging layer 12 near the top in its interior, and the middle section of the inside of the second tower body 4 is evenly distributed with at least two acid gas absorption layers 41, and the acid gas absorption layers 41 are distributed up and down, The acid gas absorbing layer 41 is filled with a sponge body 42, and the sponge body 42 is soaked with alkaline liquid, and the upper and lower sides of the acid gas absorbing layer 41 are provided with air holes for gas flow.
供液管路61的上端部位于最上层的酸气吸收层41上方，并位于除雾层12的下方，供液管路61的上端部的出口处通过支架7连接一个雾化器，雾化器包括高压进液管71，高压进液管71的一端与供液管路61连接，另一端与涡轮增压器72的进气口连接，涡轮增压器72的废弃进气口穿出第二塔体4与压风管连接，并且涡轮增压器72的出气口连接出液管73，涡轮增压器7的叶轮转轴上安装有压气机叶轮，出液管73的出液端连接第一喷头91。The upper end of the liquid supply pipeline 61 is located above the uppermost acid gas absorbing layer 41 and below the demister layer 12, and the outlet of the upper end of the liquid supply pipeline 61 is connected to an atomizer through the bracket 7 to atomize The device includes a high-pressure liquid inlet pipe 71, one end of the high-pressure liquid inlet pipe 71 is connected with the liquid supply pipeline 61, and the other end is connected with the air inlet of the turbocharger 72, and the waste air inlet of the turbocharger 72 passes through the first The second tower body 4 is connected with the compressed air pipe, and the gas outlet of the turbocharger 72 is connected with the liquid outlet pipe 73, the impeller rotating shaft of the turbocharger 7 is equipped with a compressor impeller, and the liquid outlet end of the liquid outlet pipe 73 is connected with the first A nozzle 91 .
另外本发明的每个酸气吸收层41的上方均设有一排第二喷头92，第二喷头92分别通过喷林管17与供液管路61的中段连接，用于对海绵体42进行补充碱性液。In addition, the top of each acid gas absorbing layer 41 of the present invention is provided with a row of second spray nozzles 92, and the second nozzle nozzles 92 are respectively connected to the middle section of the liquid supply pipeline 61 through the spray forest pipe 17, for replenishing the sponge body 42. Alkaline solution.
本发明经过第一塔体1处理过的酸性废气，通过风机5进入到第二塔体4内进行第二次中和处理，经过两次中和处理，使酸性废气得到充分中和，进一步净化了酸气，从而降低环境污染。In the present invention, the acid waste gas treated by the first tower body 1 enters the second tower body 4 through the fan 5 for the second neutralization treatment. After two neutralization treatments, the acid waste gas is fully neutralized and further purified Sour gas is eliminated, thereby reducing environmental pollution.
本发明为了保障第一、二塔体1、4内的碱性液的充足，在第一、二塔体1、4的底部均接入碱性液补液管14。另外，第二塔体4的内部在相邻的两个酸气吸收层41之间以及最下层的酸气吸收层41下方分别设有导流板15，导流板15倾斜向下，并与水平面夹角呈30°倾斜，导流板15的设置，不仅能够将酸气吸收层41冷却后的液体导向集液槽8内，还可以自行对废气进行冷凝回流，保证废气进行充足的中和反应。In order to ensure sufficient alkaline liquid in the first and second tower bodies 1 and 4, the present invention connects alkaline liquid replenishment pipes 14 to the bottoms of the first and second tower bodies 1 and 4. In addition, the inside of the second tower body 4 is respectively provided with deflectors 15 between two adjacent acid gas absorption layers 41 and below the acid gas absorption layer 41 of the lowermost layer, and the deflectors 15 are inclined downward, and The angle between the horizontal planes is 30°, and the setting of the deflector 15 can not only guide the liquid cooled by the acid gas absorption layer 41 into the liquid collection tank 8, but also condense and reflow the waste gas by itself to ensure sufficient neutralization of the waste gas reaction.
本发明还可以在第二塔体4的内侧壁靠近顶部处设有酸碱度传感器，所述酸碱度传感器通过防腐蚀导线与设在第二塔体4外壁上的显示屏16连接，以便于随时观察排出的废气的酸碱度。In the present invention, a pH sensor can also be provided near the top of the inner side wall of the second tower body 4, and the pH sensor is connected with the display screen 16 arranged on the outer wall of the second tower body 4 through an anti-corrosion wire, so as to observe and discharge at any time. The pH of the exhaust gas.
本发明经过第一塔体1处理过的酸性废气，先中和一部分的酸性废气，再将未中和的酸气通过风机5进入到第二塔体4内进行第二次中和处理，降低了二次中和时的酸气浓度，提高了净化塔的净化能力。第二塔体4中的酸气吸收层41吸收了通过气孔的酸气，使酸气与海绵体42的碱性液发生中和反应，然后通过冷却从新滴入集液槽8内，经过反复的中和后，气体进入到酸气吸收层41的上方，而酸气吸收层41的上方同样含有经过雾化器雾化的碱性液，在气体排出第二塔体4前，经过多重的中和反应，彻底净化了废气中的酸气。In the present invention, the acid waste gas treated by the first tower body 1 first neutralizes part of the acid waste gas, and then the unneutralized acid gas enters the second tower body 4 through the fan 5 for the second neutralization treatment, reducing The concentration of acid gas during secondary neutralization is improved, and the purification capacity of the purification tower is improved. The acid gas absorbing layer 41 in the second tower body 4 absorbs the acid gas passing through the pores, neutralizes the acid gas and the alkaline liquid in the sponge body 42, and then drips into the liquid collection tank 8 again through cooling, after repeated After neutralization, the gas enters the top of the acid gas absorption layer 41, and the top of the acid gas absorption layer 41 also contains the alkaline liquid atomized by the atomizer. Before the gas is discharged from the second tower body 4, it passes through multiple The neutralization reaction thoroughly purifies the acid gas in the exhaust gas.
本发明经过两次中和处理，使酸性废气得到充分中和，进一步净化了酸气，从而降低环境污染。The invention undergoes two neutralization treatments to fully neutralize the acid waste gas, further purify the acid gas, and thereby reduce environmental pollution.
以上所述的仅是本发明的优选实施方式，应当指出，对于本领域的普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。What has been described above is only a preferred embodiment of the present invention. It should be pointed out that for those of ordinary skill in the art, some modifications and improvements can be made without departing from the inventive concept of the present invention, and these all belong to the present invention. protection scope of the invention.
Claims (6)
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