Petrochemical waste gas treatment equipment

Abstract

The utility model relates to the technical field of waste gas purification, and provides petrochemical waste gas treatment equipment which comprises a bottom plate, a filter box is fixedly mounted at the top of the bottom plate, a gas inlet pipe is arranged at the lower end of one side of the filter box, and the other end of the gas inlet pipe penetrates through the filter box. The filter box and the microorganism purification box are fixedly installed at the waste gas treatment position through the bottom plate, the waste gas discharge pipe is connected with the gas inlet pipe arranged at the lower end of the microorganism purification box, so that waste gas enters the microorganism purification box through the gas inlet pipe, and the control valve arranged on the outer surface of the gas inlet pipe can effectively control the inflow amount of the waste gas. After the waste gas enters the microorganism purification box, a valve arranged on the outer surface of a gas conveying pipe is closed, so that the waste gas and microorganisms in a biological storage box generate comprehensive effects such as advection effect and adsorption within sufficient retention time in the microorganism purification box, and the waste gas is adsorbed on the surface of a wet biological membrane; and finally converting into harmless substances through biochemical reaction.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas purification, in particular to a petrochemical waste gas treatment device. Background Art

[0002] Petrochemical waste gas refers to toxic and harmful gases discharged from chemical plants during chemical production. Chemical waste gas often contains many types of pollutants with complex physical and chemical properties and different toxicity, which seriously pollutes the environment and affects human health. The composition of chemical waste gas generated by different chemical production industries varies greatly.

[0003] However, in the prior art, the method for treating petrochemical waste gas is not perfect. Although the water dilution method is used for purification, the waste gas can be effectively treated, but a large amount of waste water is generated, which increases the sewage treatment and increases the cost expenditure. Poor waste water treatment will also cause secondary pollution, and it is not convenient to clean the inside of the treatment equipment. The waste gas contains particulate matter, and irregular cleaning can easily cause equipment blockage, thereby reducing the purification capacity of the equipment and reducing work efficiency. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the existing technology is not perfect in the treatment of petrochemical waste gas. Although the water dilution method is used for purification, although the waste gas can be effectively treated, a large amount of waste water is generated, which increases the sewage treatment and increases the cost expenditure. Poor waste water treatment will also cause secondary pollution, and it is not convenient to clean the inside of the treatment equipment. The waste gas contains particulate matter, and irregular cleaning can easily cause equipment blockage, thereby reducing the purification capacity of the equipment and reducing the work efficiency.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a petrochemical waste gas treatment equipment, comprising: a bottom plate, a filter box is fixedly installed on one side of the top outer surface of the bottom plate, a microorganism purification box is fixedly installed on the side of the top outer surface of the bottom plate away from the filter box, a biological storage box at the bottom of the inner cavity of the microorganism purification box, a water pump is arranged at the upper end of the outer surface of the microorganism purification box, a water inlet pipe is arranged at the input end of the water pump, a connecting pipe is arranged at the input end of the water pump, the connecting pipe penetrates into the interior of the microorganism purification box, a plurality of spray heads are arranged on the outer surface of the connecting pipe, an air inlet pipe is arranged at the lower end of one side of the microorganism purification box, a control valve is arranged on the outer surface of the air inlet pipe, and also includes:

[0006] A controller is arranged on a side of the microbial purification box close to the water pump;

[0007] The air supply pipe is arranged on the top of the microbial purification box near the filter box. A valve is arranged on the outer surface of the air supply pipe. The other end of the air supply pipe is fixedly connected with a transmission pipe, which passes through the filter box. The other end of the transmission pipe is provided with a conical air guide box.

[0008] Preferably, a mounting groove is provided at an upper end of one side of the filter box close to the microorganism purification box, and a sliding groove is provided inside the mounting groove.

[0009] The technical effect of adopting the above further solution is that the sealing plate can be installed in the installation groove more conveniently, thereby improving the sealing of the slide groove and preventing exhaust gas leakage.

[0010] Preferably, a placement box is movably embedded in the interior of the slide groove, a plurality of through holes are provided at the bottom of the inner cavity of the placement box, and a handle groove is provided on one side of the placement box.

[0011] The technical effect of adopting the above further solution is: the placement box can be taken out and installed more conveniently through the handle groove, and activated carbon can be added or replaced more conveniently, and the multiple through holes opened at the bottom can better improve the circulation of exhaust gas.

[0012] Preferably, a sealing plate is movably embedded in the interior of the two installation grooves, and a handle 1 is fixedly installed on the outer surface of the two sealing plates.

[0013] The technical effect of adopting the above further solution is that the sealing plate can better seal the slide groove and prevent the exhaust gas from leaking out.

[0014] Preferably, two rectangular grooves are provided at the center of one side of the filter box away from the mounting groove, wherein filter plate 1 is movably embedded in one of the rectangular grooves, and filter plate 2 is movably embedded in the other rectangular groove.

[0015] The technical effect of adopting the above further solution is that filter plate 1 and filter plate 2 can better block the particulate matter in the exhaust gas after filtration and purification, and prevent the emission therebetween from causing secondary pollution to the surrounding environment.

[0016] Preferably, a plurality of sealing rings are fixedly mounted on the side of the filter plate 1 and the filter plate 2 away from the air inlet pipe.

[0017] The technical effect of adopting the above further solution is that multiple sealing rings can better improve the sealing performance of filter plate 1 and filter plate 2.

[0018] Preferably, a handle 2 is fixedly mounted on one side of the filter plate 1 and the filter plate 2 close to the sealing ring.

[0019] The technical effect of adopting the above further solution is that the handle can more conveniently install and disassemble the filter plate 1 and the filter plate 2, and can more conveniently perform regular cleaning.

[0020] Preferably, an exhaust pipe is provided at the center of the top outer surface of the filter box, exhaust ports are provided on four sides of the exhaust pipe close to the upper end, and a conical rain shield is fixedly installed on the top of the exhaust pipe.

[0021] The technical effect of adopting the above further solution is that the multiple exhaust ports can improve the discharge of purified exhaust gas, and the conical rain shield can prevent rainwater from entering the interior of the equipment and causing damage to it.

[0022] Compared with the prior art, the advantages and positive effects of the utility model are:

[0023] 1. In the utility model, the filter box and the microorganism purification box are fixedly installed at the waste gas treatment place through the bottom plate, and the waste gas discharge pipe is connected to the air inlet pipe arranged at the lower end of the microorganism purification box, so that the waste gas will enter the interior of the microorganism purification box through the air inlet pipe. The outer surface of the air inlet pipe is provided with a control valve to effectively control the inflow of waste gas. After the waste gas enters the interior of the microorganism purification box, the valve arranged on the outer surface of the air delivery pipe will be closed, so that the waste gas will have a sufficient residence time inside the microorganism purification box. Under the comprehensive effects of advection effect, diffusion effect, adsorption, etc., the waste gas and the microorganisms inside the biological storage box pass through the air film and are adsorbed on the wetted biofilm surface. The pollutant components adsorbed on the surface of the biofilm are absorbed by the microorganisms therein. It captures and absorbs, and is eventually converted into harmless substances through biochemical reactions. The valve is then opened to allow the purified gas to be transmitted from the gas pipe set on the top of the microbial purification box to the transmission pipe, and then discharged into the interior of the filter box through the transmission pipe through the conical air guide box. The biological purification method can degrade and transform the organic matter in petrochemical waste gas into harmless or low-harm substances. It has the advantages of high efficiency and no secondary pollution, and prevents waste gas from being discharged in the middle to reduce the filtration effect. The controller controls the water pump to transport water to the interior of the connecting pipe through the water inlet pipe, and then sprays it out through multiple spray heads. Water is sprayed regularly to provide moisture for the filter material microorganisms. The spray liquid is sprayed in a non-continuous state, and intermittent spraying can better improve the survival of microorganisms.

[0024] 2. In the utility model, after the exhaust gas enters the filter box, it passes through the filter plate 1 and the filter plate 2, which can filter and block the particulate matter in the exhaust gas, thereby better improving the cleanliness of the exhaust gas, and then purifies it through the activated carbon placed inside the placement box. The organic compounds in the petrochemical exhaust gas are adsorbed by adsorbents such as activated carbon. This method can effectively remove organic matter in the exhaust gas and achieve the purpose of purification and recovery. The exhaust gas can be fully purified. Multiple filtration and purification can effectively purify the harmful substances in the petrochemical exhaust gas. A plurality of through holes are opened at the bottom of the placement box to allow the exhaust gas to circulate and purify. The purified gas passes through the opening on the outer surface of the exhaust pipe. Multiple exhaust ports are sufficient for discharge. A conical rain shield is fixedly installed on the top of the exhaust pipe to prevent rainwater from entering the interior of the filter box. When the activated carbon needs to be replaced, first remove the sealing plate through handle 1, and then take it out from the slide slot through the handle slot opened on one side of the placement box. The sealing plate can seal the slide slot to prevent the exhaust gas from flowing out. Use the two handles 2 to pull filter plate 1 and filter plate 2 respectively, take them out from the inside of the rectangular slot for cleaning, and prevent blockage caused by excessive blocked particulate matter. Multiple sealing rings are provided on one side of filter plate 1 and filter plate 2 to prevent the exhaust gas from flowing out of the rectangular slot, thereby better improving the sealing performance of the filter box. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A structural schematic diagram of a petrochemical waste gas treatment device is proposed for the utility model;

[0026] Figure 2 A side structural schematic diagram of a petrochemical waste gas treatment device is proposed for the utility model;

[0027] Figure 3 The utility model proposes a schematic diagram of the explosion structure of a petrochemical waste gas treatment equipment;

[0028] Figure 4 The utility model provides a cross-sectional structural schematic diagram of a petrochemical waste gas treatment device.

[0029] Legend:

[0030] 1. Filter box; 101. Installation groove; 102. Sealing plate; 103. Handle 1; 104. Air inlet pipe; 105. Control valve; 106. Bottom plate; 107. Filter plate 1; 108. Filter plate 2; 109. Sealing ring; 110. Handle 2; 111. Exhaust pipe; 112. Exhaust port; 113. Conical rain shield; 114. Rectangular groove; 115. Placement box; 116. Through hole; 117. Handle groove; 118. Slide; 119. Transmission pipe; 120. Conical air guide box; 2. Microbial purification box; 201. Controller; 202. Water pump; 203. Water inlet pipe; 204. Air pipe; 205. Valve; 206. Connecting pipe; 207. Spray head; 208. Biological storage box. DETAILED DESCRIPTION

[0031] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0032] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0033] Embodiment 1, as Figure 1-4 As shown, the utility model provides a petrochemical waste gas treatment device, including: a bottom plate 106, a filter box 1 is fixedly installed on one side of the top outer surface of the bottom plate 106, a microorganism purification box 2 is fixedly installed on the side of the top outer surface of the bottom plate 106 away from the filter box 1, a biological storage box 208 is fixedly installed at the bottom of the inner cavity of the microorganism purification box 2, a water pump 202 is arranged at the upper end of the outer surface of the microorganism purification box 2, a water inlet pipe 203 is arranged at the input end of the water pump 202, a connecting pipe 206 is arranged at the input end of the water pump 202, the connecting pipe 206 penetrates into the interior of the microorganism purification box 2, and the connecting pipe 206 The outer surface of the microorganism purification box 2 is provided with a plurality of spray heads 207, an air inlet pipe 104 is provided at the lower end of one side of the microorganism purification box 2, and a control valve 105 is provided on the outer surface of the air inlet pipe 104. The microorganism purification box 2 also includes: a controller 201, which is arranged on the side of the microorganism purification box 2 close to the water pump 202; an air supply pipe 204, which is arranged on the top of the microorganism purification box 2 close to the filter box 1, and a valve 205 is provided on the outer surface of the air supply pipe 204, and the other end of the air supply pipe 204 is fixedly connected with a transmission pipe 119, which passes through the filter box 1, and a conical air guide box 120 is provided on the other end of the transmission pipe 119.

[0034] In this embodiment, the filter box 1 and the microorganism purification box 2 are fixedly installed at the waste gas treatment site through the bottom plate 106, and the waste gas discharge pipe is connected to the air inlet pipe 104 arranged at the lower end of the microorganism purification box 2, so that the waste gas will enter the interior of the microorganism purification box 2 through the air inlet pipe 104. The outer surface of the air inlet pipe 104 is provided with a control valve 105, which can effectively control the inflow of waste gas. After the waste gas enters the interior of the microorganism purification box 2, the valve 205 arranged on the outer surface of the air supply pipe 204 will be closed, so that the waste gas will have a sufficient residence time inside the microorganism purification box 2. Under the comprehensive effects of advection effect, diffusion effect, adsorption, etc., the waste gas and the microorganisms inside the biological storage box 208 pass through the air film and are adsorbed on the wetted biofilm surface, and the pollutant components adsorbed on the surface of the biofilm are captured by the microorganisms therein. And absorb, and finally transform into harmless substances through biochemical reaction, then open valve 205 to allow the purified gas to be transmitted to the transmission pipe 119 through the air pipe 204 set on the top of the microbial purification box 2, and then be discharged into the interior of the filter box 1 through the conical air guide box 120 through the transmission pipe 119. The biological purification method can degrade and transform the organic matter in the petrochemical waste gas into harmless or low-harm substances, and has the advantages of high efficiency and no secondary pollution, and prevents the waste gas from being discharged in the middle to reduce the filtering effect. The controller 201 controls the water pump 202 to transport water to the interior of the connecting pipe 206 through the water inlet pipe 203, and then spray it out through multiple spray heads 207. Water is sprayed regularly to provide moisture for the filter material microorganisms. The spray liquid is sprayed in a non-continuous state and intermittently, which can better improve the survival of microorganisms.

[0035] Embodiment 2, as Figure 1-4 As shown, a mounting groove 101 is provided at the upper end of one side of the filter box 1 close to the microorganism purification box 2, and a slide groove 118 is provided inside the mounting groove 101; a placement box 115 is movably embedded inside the slide groove 118, and a plurality of through holes 116 are provided at the bottom of the inner cavity of the placement box 115, and a handle groove 117 is provided on one side of the placement box 115; sealing plates 102 are movably embedded inside the two mounting grooves 101, and handles 103 are fixedly installed on the outer surfaces of the two sealing plates 102; two rectangular grooves 114 are provided at the center of one side of the filter box 1 away from the mounting groove 101, and one of the rectangular grooves 114 is provided at the bottom of the inner cavity of the placement box 115. 14 is movably embedded with a filter plate 107, and another rectangular groove 114 is movably embedded with a filter plate 2 108; a plurality of sealing rings 109 are fixedly installed on the side of the filter plate 107 and the filter plate 2 108 away from the air inlet pipe 104; a handle 2 110 is fixedly installed on the side of the filter plate 107 and the filter plate 2 108 close to the sealing ring 109; an exhaust pipe 111 is provided at the center of the top outer surface of the filter box 1, and exhaust ports 112 are opened on the four sides of the exhaust pipe 111 close to the upper end, and a conical rain shield 113 is fixedly installed on the top of the exhaust pipe 111.

[0036] In this embodiment, after the exhaust gas enters the filter box 1, it passes through the filter plate 107 and the filter plate 2 108, which can filter and block the particulate matter in the exhaust gas, thereby better improving the cleanliness of the exhaust gas, and then it is purified by the activated carbon placed inside the placement box 115. The organic compounds in the petrochemical exhaust gas are adsorbed by adsorbents such as activated carbon. This method can effectively remove organic matter in the exhaust gas and achieve the purpose of purification and recovery. The exhaust gas can be fully purified. Multiple filtration and purification can effectively purify the harmful substances in the petrochemical exhaust gas. A plurality of through holes 116 are opened at the bottom of the placement box 115 to allow the exhaust gas to circulate and be purified. The purified gas can be discharged through a plurality of exhaust ports 112 opened on the outer surface of the exhaust pipe 111. The exhaust pipe 111 A conical rain shield 113 is fixedly installed on the top to prevent rainwater from entering the interior of the filter box 1. When the activated carbon needs to be replaced, the sealing plate 102 is first removed through the handle 103, and it can be taken out from the slide 118 through the handle groove 117 opened on the side of the placement box 115. The sealing plate 102 can seal the slide 118 to prevent the exhaust gas from escaping. The filter plate 107 and the filter plate 2 108 are pulled by the two handles 110 respectively, and they are taken out from the inside of the rectangular groove 114 for cleaning to prevent blockage caused by excessive particulate matter. Multiple sealing rings 109 are provided on one side of the filter plate 107 and the filter plate 2 108 to prevent the exhaust gas from flowing out of the rectangular groove 114, thereby better improving the sealing performance of the filter box 1.

[0037] Working principle: When in use, the filter box 1 and the microbial purification box 2 are fixedly installed at the waste gas treatment site through the bottom plate 106, and the waste gas discharge pipe is connected to the air inlet pipe 104 arranged at the lower end of the microbial purification box 2, so that the waste gas will pass through the air inlet pipe 104 and enter the interior of the microbial purification box 2. The outer surface of the air inlet pipe 104 is provided with a control valve 105, which can effectively control the inflow of waste gas. After the waste gas enters the interior of the microbial purification box 2, the valve 205 arranged on the outer surface of the air pipe 204 will be closed, so that the waste gas will have a sufficient residence time inside the microbial purification box 2, and the waste gas and the microorganisms inside the biological storage box 208 will pass through the air film under the comprehensive effects of advection effect, diffusion effect, adsorption, etc. and be adsorbed on the wetted biofilm. The pollutant components adsorbed on the surface of the biofilm are captured and absorbed by the microorganisms therein, and are finally converted into harmless substances through biochemical reactions. Then, the valve 205 is opened to allow the purified gas to be transmitted from the gas transmission pipe 204 set on the top of the microbial purification box 2 to the transmission pipe 119, and then discharged into the interior of the filter box 1 through the transmission pipe 119 through the conical air guide box 120. The biological purification method can degrade and convert the organic matter in the petrochemical waste gas into harmless or low-harm substances, and has the advantages of high efficiency and no secondary pollution, and prevents the waste gas from being discharged in the middle to reduce the filtering effect. The controller 201 controls the water pump 202 to transport water to the interior of the connecting pipe 206 through the water inlet pipe 203, and then sprays it out through multiple spray heads 207. , spray water regularly to provide moisture for the filter material microorganisms, the spray liquid is sprayed in a non-continuous state, and intermittent spraying can better improve the survival of microorganisms. After the exhaust gas enters the filter box 1, it passes through the filter plate 107 and the filter plate 2 108, which can filter and block the particulate matter in the exhaust gas, and better improve the cleanliness of the exhaust gas. Then, it is purified by the activated carbon placed inside the placement box 115, and the organic compounds in the petrochemical exhaust gas are adsorbed by adsorbents such as activated carbon. This method can effectively remove organic matter in the exhaust gas and achieve the purpose of purification and recovery. The exhaust gas can be fully purified. Multiple filtration and purification can effectively purify the harmful substances in the petrochemical exhaust gas. The bottom of the placement box 115 is provided with multiple through holes 1 16 can make the exhaust gas flow and be purified, and the purified gas can be discharged through multiple exhaust ports 112 opened on the outer surface of the exhaust pipe 111. A conical rain shield 113 is fixedly installed on the top of the exhaust pipe 111 to prevent rainwater from entering the interior of the filter box 1. When the activated carbon needs to be replaced, the sealing plate 102 is first removed through the handle 103, and then it can be taken out from the slide 118 through the handle groove 117 opened on one side of the placement box 115. The sealing plate 102 can seal the slide 118 to prevent the exhaust gas from escaping. The filter plate 107 and the filter plate 2 108 are pulled respectively by the two handles 110 to take them out from the inside of the rectangular groove 114 for cleaning to prevent blockage caused by excessive particulate matter.Multiple sealing rings 109 are provided on one side of the filter plate 107 and the filter plate 2 108 to prevent the exhaust gas from flowing out of the rectangular groove 114, thereby better improving the sealing performance of the filter box 1.

[0038] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A petrochemical waste gas treatment device, comprising: A bottom plate (106), a filter box (1) is fixedly mounted on one side of the top outer surface of the bottom plate (106), a microorganism purification box (2) is fixedly mounted on the side of the top outer surface of the bottom plate (106) away from the filter box (1), a biological storage box (208) is provided at the bottom of the inner cavity of the microorganism purification box (2), a water pump (202) is provided at the upper end of the outer surface of the microorganism purification box (2), a water inlet pipe (203) is provided at the input end of the water pump (202), a connecting pipe (206) is provided at the input end of the water pump (202), the connecting pipe (206) penetrates into the interior of the microorganism purification box (2), a plurality of spray heads (207) are provided on the outer surface of the connecting pipe (206), an air inlet pipe (104) is provided at the lower end of one side of the microorganism purification box (2), and a control valve (105) is provided on the outer surface of the air inlet pipe (104), characterized in that it also includes: A controller (201) is arranged on a side of the microorganism purification box (2) close to the water pump (202); The air supply pipe (204) is arranged on the top of the microbial purification box (2) near the filter box (1), and a valve (205) is arranged on the outer surface of the air supply pipe (204). The other end of the air supply pipe (204) is fixedly connected to a transmission pipe (119), and the transmission pipe (119) passes through the filter box (1). The other end of the transmission pipe (119) is provided with a conical air guide box (120).

2. A petrochemical waste gas treatment equipment according to claim 1, characterized in that: An installation groove (101) is provided at the upper end of one side of the filter box (1) close to the microorganism purification box (2), and a sliding groove (118) is provided inside the installation groove (101).

3. A petrochemical waste gas treatment equipment according to claim 2, characterized in that: A placement box (115) is movably embedded inside the slide groove (118), a plurality of through holes (116) are provided at the bottom of the inner cavity of the placement box (115), and a handle groove (117) is provided on one side of the placement box (115).

4. A petrochemical waste gas treatment equipment according to claim 2, characterized in that: A sealing plate (102) is movably embedded in the interior of the two installation grooves (101), and a handle (103) is fixedly mounted on the outer surface of the two sealing plates (102).

5. The petrochemical waste gas treatment equipment according to claim 1, characterized in that: The filter box (1) has two rectangular grooves (114) at the center of one side away from the mounting groove (101), wherein a filter plate 1 (107) is movably embedded inside one of the rectangular grooves (114), and a filter plate 2 (108) is movably embedded inside the other rectangular groove (114).

6. A petrochemical waste gas treatment equipment according to claim 5, characterized in that: A plurality of sealing rings (109) are respectively fixedly mounted on the side of the filter plate 1 (107) and the filter plate 2 (108) away from the air inlet pipe (104).

7. The petrochemical waste gas treatment equipment according to claim 5, characterized in that: A handle 2 (110) is fixedly mounted on one side of the filter plate 1 (107) and the filter plate 2 (108) close to the sealing ring (109).

8. The petrochemical waste gas treatment equipment according to claim 1, characterized in that: An exhaust pipe (111) is arranged at the center of the top outer surface of the filter box (1), exhaust ports (112) are arranged on four sides of the exhaust pipe (111) near the upper end, and a conical rain shield (113) is fixedly installed on the top of the exhaust pipe (111).

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