Waste gas treatment device for sealant stirring tank

Abstract

The utility model provides a waste gas treatment device for a sealant stirring tank, which comprises an exhaust pipe, an exhaust fan, a pretreatment tank, an exhaust fan, a gas inlet pipe, a washing tower, a drainage pipe, a first-stage sedimentation tank, a second-stage sedimentation tank and a third-stage sedimentation tank which are communicated in sequence, a circulating water pump is arranged in the third-stage sedimentation tank, an outlet of the circulating water pump is communicated with a liquid supply pipe, and the other end of the liquid supply pipe extends into the washing tower and is communicated with a spraying frame; according to the utility model, the pretreatment tank, the washing tower and the multi-stage sedimentation tank are arranged, so that dust and part of harmful gas in the waste gas are absorbed and treated by utilizing a solvent in the pretreatment tank, and the waste gas pretreated by the pretreatment tank is adsorbed and treated by utilizing multiple layers of vaporific particles in the washing tower; supernate in the sedimentation tank enters the washing tower through the circulating water pump for spraying, so that the aim of recycling is fulfilled, and the waste gas treatment efficiency of the stirring tank is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field that liquid is used as separating agent to separate dispersed particles from gas, air or steam, and specifically relates to a waste gas treatment device for sealant stirring tank. BACKGROUND

[0002] The sealant has the characteristics of high temperature resistance, low temperature resistance, water boiling resistance, water immersion resistance, excellent cold resistance and high temperature resistance, and can work in high temperature and low temperature environments for a long time while maintaining excellent bonding effect. The colloid is an elastomer, can bond metals and non-metal materials, and has the functions of bonding, fixing, sealing, potting, coating and the like. The sealant has many characteristics such as good weather resistance, moisture resistance, shock resistance, ultraviolet resistance, waterproofness, no change in electrical properties due to harsh weather environment, corona resistance, leakage resistance, aging resistance, good electrical insulation, strong sealing, and the like. The sealant provides high safety, high environmental protection level, non-toxicity, non-pollution, non-solvent, non-corrosion, absorption of moisture in air at room temperature, and solidification, and is safer and more environmentally friendly.

[0003] Then, the sealant generates a large amount of harmful gases such as dust, volatile organic compounds (VOC) and non-methane total hydrocarbons during the stirring process. Direct emission of these harmful gases into the air not only causes physical harm to workers, but also pollutes the environment. Long-term work in such an environment will cause hair loss, dizziness and even illness. Therefore, how to treat harmful gases has become the research direction of those skilled in the art. SUMMARY

[0004] Therefore, the utility model aims at providing a waste gas treatment device for sealant stirring tank, which is provided with a pretreatment tank, a washing tower and a multistage sedimentation tank. The solvent in the pretreatment tank is used to absorb and treat dust and part of harmful gases in the waste gas. The multilayer mist particles in the washing tower are used to adsorb the waste gas pretreated by the pretreatment tank. The waste liquid after adsorption treatment is sent into the multistage sedimentation tank for sedimentation treatment. The supernatant in the sedimentation tank is sent into the washing tower by a circulating water pump for spraying, so as to achieve the purpose of recycling and improve the waste gas treatment efficiency of the stirring tank.

[0005] In order to solve the above technical problems, the utility model relates to a kind of waste gas treatment device for sealant mixing tank, including with mixing tank and vulcanization tank sequentially communicated suction pipe, pre-treatment tank, intake pipe, scrubbing tower, drain pipe, first-stage sedimentation tank, secondary sedimentation tank and third-stage sedimentation tank, suction fan is provided on the suction pipe, suction fan is provided on the intake pipe, suction pipe end extends to pre-treatment tank inside pre-treatment solvent liquid level below, the intake pipe intake end is communicated with the top of pre-treatment tank, and its gas outlet end extends to the scrubbing tower inside and is communicated with the gas injection frame, the drain pipe is communicated with the bottom of scrubbing tower, and its outlet is communicated with the inlet of first-stage sedimentation tank, overflow port is provided between the first-stage sedimentation tank and secondary sedimentation tank and between secondary sedimentation tank and third-stage sedimentation tank, circulating water pump is provided in the third-stage sedimentation tank, the outlet of circulating water pump is communicated with liquid supply pipe, and the other end of liquid supply pipe extends to the scrubbing tower inside and is communicated with the spray frame, and the spray frame is arranged above the gas injection frame.

[0006] Further, the gas injection frame includes a gas injection inner ring frame, a gas injection outer ring frame, and a gas injection communication pipe communicated between the gas injection inner ring frame and the gas injection outer ring frame.

[0007] Further, the spray frame includes a spray inner ring frame, a spray outer ring frame, and a spray communication pipe communicated between the spray inner ring frame and the spray outer ring frame.

[0008] Further, a central liquid inlet pipe is vertically arranged in the scrubbing tower and communicated with the liquid supply pipe. The top of the central liquid inlet pipe extends out of the top of the scrubbing tower and is communicated with the liquid supply pipe. The spray frame is fixed on the central liquid inlet pipe and communicated with the central liquid inlet pipe.

[0009] Further, the gas injection frame is sleeved around the central liquid inlet pipe. Mounting brackets for fixing the gas injection frame are arranged on the inner wall of the scrubbing tower. An air inlet branch pipe communicated with the intake pipe is arranged on the gas injection frame. A through hole through which the intake pipe passes is arranged on the side wall of the scrubbing tower.

[0010] Further, the spray frame is arranged in not less than two layers. The spray nozzles on the first layer of the spray frame are arranged obliquely inward. The spray nozzles on the second layer of the spray frame are arranged obliquely outward.

[0011] Further, the gas injection nozzles are arranged obliquely inward.

[0012] Further, the scrubbing tower includes a tower body and a top cover detachably mounted on the top of the tower body. The top of the central liquid inlet pipe is fixed on the top cover. A closing cover plate is arranged at the bottom of the central liquid inlet pipe. An exhaust pipe is arranged on the top cover near the edge.

[0013] The utility model has the advantages that:

[0014] The utility model is used for the structure diagram of the sealing glue stirring tank waste gas treatment device, and the pre-treatment tank, the washing tower and the multistage sedimentation tank are set up, the solvent in the pre-treatment tank is used to absorb and treat the dust and part harmful gas in the waste gas, the multilayer mist particle in the washing tower is used to absorb and treat the waste gas after the pre-treatment of the pre-treatment tank, the waste liquid after the absorption treatment enters the multistage sedimentation tank and carries out the sedimentation treatment, and the supernatant in the sedimentation tank enters the washing tower and carries out the spraying through the circulating water pump, thereby achieving the purpose of recycling, and improving the stirring tank waste gas treatment efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure diagram of the sealing glue stirring tank waste gas treatment device of the utility model,

[0016] Figure 2 It is the structure diagram of the washing tower in the sealing glue stirring tank waste gas treatment device of the utility model,

[0017] Figure 3 It is the structure diagram of the air injection frame in the sealing glue stirring tank waste gas treatment device of the utility model,

[0018] Figure 4 It is the structure diagram of the spraying frame in the sealing glue stirring tank waste gas treatment device of the utility model.

[0019] Drawing reference: 1 - stirring tank, 2 - suction pipe, 3 - exhaust fan, 4 - pre-treatment tank, 5 - washing tower, 6 - drain pipe, 7 - first stage sedimentation tank, 8 - second stage sedimentation tank, 9 - third stage sedimentation tank, 10 - circulating water pump, 11 - liquid supply pipe, 12 - air inlet pipe, 13 - exhaust fan, 14 - exhaust pipe, 15 - tower body, 16 - tower cover, 17 - center liquid inlet pipe, 18 - spraying frame, 19 - spraying nozzle, 20 - mounting bracket, 21 - air injection frame, 22 - air injection nozzle, 23 - air inlet branch pipe, 24 - air injection inner ring frame, 25 - air injection outer ring frame, 26 - air injection communication pipe, 27 - center sleeve, 28 - spraying inner ring frame, 29 - spraying outer ring frame, 30 - spraying communication pipe. DETAILED DESCRIPTION

[0020] The utility model will be described further in detail in combination with the drawings and specific embodiments.

[0021] As Figures 1-4The utility model is a kind of for sealing glue stirring tank waste gas treatment device, including with the communication of stirring tank 1 and vulcanization tank in proper order suction pipe 2, pretreatment tank 4, intake pipe 12, scrubbing tower 5, drain pipe 6, first-stage sedimentation tank 7, secondary sedimentation tank 8 and tertiary sedimentation tank 9, suction fan 3 is provided on suction pipe 2, suction fan 13 is provided on intake pipe 12, suction pipe 2 end extends to pretreatment tank 4 inside pretreatment solvent liquid level, its gas outlet extends to the communication of spray stand 21 in scrubbing tower 5, drain pipe 6 is communicated with the bottom of scrubbing tower 5, and its outlet is communicated with the inlet of first-stage sedimentation tank 7, overflow port is provided between first-stage sedimentation tank 7 and secondary sedimentation tank 8 and between secondary sedimentation tank 8 and tertiary sedimentation tank 9, and circulating water pump 10 is provided in tertiary sedimentation tank 9, and the outlet of circulating water pump 10 is communicated with liquid supply pipe 11, and the other end of liquid supply pipe 11 extends to the communication of spray stand 18 in scrubbing tower 5, and spray stand 18 is arranged above spray stand 21.

[0022] The utility model discloses a kind of for sealing glue stirring tank waste gas treatment device, including with the communication of stirring tank 1 and vulcanization tank in proper order suction pipe 2, pretreatment tank 4, intake pipe 12, scrubbing tower 5, drain pipe 6, first-stage sedimentation tank 7, secondary sedimentation tank 8 and tertiary sedimentation tank 9, suction fan 3 is provided on suction pipe 2, suction fan 13 is provided on intake pipe 12, suction pipe 2 end extends to pretreatment tank 4 inside pretreatment solvent liquid level, its gas outlet extends to the communication of spray stand 21 in scrubbing tower 5, drain pipe 6 is communicated with the bottom of scrubbing tower 5, and its outlet is communicated with the inlet of first-stage sedimentation tank 7, overflow port is provided between first-stage sedimentation tank 7 and secondary sedimentation tank 8 and between secondary sedimentation tank 8 and tertiary sedimentation tank 9, and circulating water pump 10 is provided in tertiary sedimentation tank 9, and the outlet of circulating water pump 10 is communicated with liquid supply pipe 11, and the other end of liquid supply pipe 11 extends to the communication of spray stand 18 in scrubbing tower 5, and spray stand 18 is arranged above spray stand 21.

[0023] The utility model discloses a kind of for sealing glue stirring tank waste gas treatment device, including with the communication of stirring tank 1 and vulcanization tank in proper order suction pipe 2, pretreatment tank 4, intake pipe 12, scrubbing tower 5, drain pipe 6, first-stage sedimentation tank 7, secondary sedimentation tank 8 and tertiary sedimentation tank 9, suction fan 3 is provided on suction pipe 2, suction fan 13 is provided on intake pipe 12, suction pipe 2 end extends to pretreatment tank 4 inside pretreatment solvent liquid level, its gas outlet extends to the communication of spray stand 21 in scrubbing tower 5, drain pipe 6 is communicated with the bottom of scrubbing tower 5, and its outlet is communicated with the inlet of first-stage sedimentation tank 7, overflow port is provided between first-stage sedimentation tank 7 and secondary sedimentation tank 8 and between secondary sedimentation tank 8 and tertiary sedimentation tank 9, and circulating water pump 10 is provided in tertiary sedimentation tank 9, and the outlet of circulating water pump 10 is communicated with liquid supply pipe 11, and the other end of liquid supply pipe 11 extends to the communication of spray stand 18 in scrubbing tower 5, and spray stand 18 is arranged above spray stand 21.

[0024] Preferably, spray stand 21 includes spray inner ring stand 24, spray outer ring stand 25 and spray communication pipe 26 communicated between spray inner ring stand 24 and spray outer ring stand 25, and spray head 22 is uniformly distributed at the bottom of spray inner ring stand 24 and spray outer ring stand 25.

[0025] Preferably, the spray frame 18 comprises a spray inner ring frame 28, a spray outer ring frame 29 and a spray communication pipe 30 communicated between the spray inner ring frame 28 and the spray outer ring frame 29, and the spray nozzles 19 are arranged on the bottom of the spray inner ring frame 28 and the spray outer ring frame 29. In this embodiment, the contact area of the mist water flow and the air flow is expanded by the spray inner ring frame 28 and the spray outer ring frame 29, which is beneficial to realize large-area air flow collision and improve the adsorption effect, so as to improve the waste gas treatment efficiency.

[0026] Preferably, the washing tower 5 is vertically provided with a central liquid inlet pipe 17 communicated with the liquid supply pipe 11, the top of the central liquid inlet pipe 17 extends out of the top of the washing tower 5 and is communicated with the liquid supply pipe 11, and the spray frame 18 is fixed on the central liquid inlet pipe 17 and communicated with the central liquid inlet pipe 17. In this embodiment, the structure is convenient for installing and fixing the spray frame, and the communication between the central liquid inlet pipe 17 and the spray frame 18 is beneficial to uniform spraying of the spray frame 18.

[0027] Preferably, the air injection frame 21 is sleeved around the central liquid inlet pipe 17, the installation support 20 for fixing the air injection frame is arranged on the inner wall of the washing tower 1, the air injection branch pipe 23 communicated with the air inlet pipe 12 is communicated with the air injection frame 21, and the through hole through which the air inlet pipe 12 passes is arranged on the side wall of the washing tower 1. The structure of this embodiment is beneficial to the installation and fixation of the air injection frame 21, and is convenient for air injection of the air injection frame 21.

[0028] Preferably, the spray frame 18 is provided in not less than two layers, the spray nozzles 19 on the first layer of the spray frame 18 are arranged obliquely inward, and the spray nozzles 19 on the second layer of the spray frame 18 are arranged obliquely outward. The structure of this embodiment forms a full-coverage mist area above the air flow, which is beneficial to improve the adsorption efficiency of the upward air flow.

[0029] Preferably, the air injection nozzles 22 are arranged obliquely inward. The structure of this embodiment avoids overflow of the upward air flow from the edge of the tower body 1, which is beneficial to form a convection of the upward air flow and the downward spraying, so as to improve the waste gas treatment efficiency.

[0030] Preferably, the washing tower 5 comprises a tower body 15 and a top cover 16 detachably installed on the top of the tower body, the top of the central liquid inlet pipe 17 is fixed on the top cover 16, a closing cover plate is arranged on the bottom of the central liquid inlet pipe, and the exhaust pipe 14 is arranged on the top cover 16 close to the edge. In this embodiment, the air injection frame 21 is installed in the tower body 15, then the central liquid inlet pipe 17 and the spray frame 18 are installed in the tower body 15 together, and finally the top cover 16 is installed, which is convenient for equipment installation.

[0031] Finally, it is explained that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced by equivalents without departing from the purpose and scope of the present application. The technical solutions of the present application should be covered in the scope of the claims of the present application.

Claims

1. A device for treating exhaust gas from a sealant mixing tank, characterized in that: The system includes an extraction pipe, a pretreatment tank, an inlet pipe, a scrubbing tower, a drain pipe, a primary sedimentation tank, a secondary sedimentation tank, and a tertiary sedimentation tank, all connected sequentially to a mixing tank and a vulcanizing tank. An extraction fan is installed on the extraction pipe, and an exhaust fan is installed on the inlet pipe. The end of the extraction pipe extends below the surface of the pretreatment solvent in the pretreatment tank. The inlet end of the inlet pipe connects to the top of the pretreatment tank, and its outlet extends into the scrubbing tower where an air jet generator is connected. The drain pipe connects to the bottom of the scrubbing tower, and its outlet connects to the inlet of the primary sedimentation tank. Overflow ports are provided between the primary and secondary sedimentation tanks, and between the secondary and tertiary sedimentation tanks. A circulating water pump is installed in the tertiary sedimentation tank, and the outlet of the circulating water pump connects to a liquid supply pipe. The other end of the liquid supply pipe extends into the scrubbing tower where a spray generator is connected, and the spray generator is positioned above the air jet generator.

2. The exhaust gas treatment device for sealant mixing tanks according to claim 1, characterized in that: The jet frame includes an inner jet frame, an outer jet frame, and a jet connecting pipe connecting the inner and outer jet frames. Jet nozzles are evenly distributed at the bottom of the inner and outer jet frames.

3. The exhaust gas treatment device for sealant mixing tanks according to claim 2, characterized in that: The spray frame includes an inner spray frame, an outer spray frame, and a spray connecting pipe connecting the inner spray frame and the outer spray frame. Spray nozzles are evenly distributed at the bottom of the inner spray frame and the outer spray frame.

4. The exhaust gas treatment device for sealant mixing tanks according to claim 3, characterized in that: The washing tower is vertically equipped with a central liquid inlet pipe that is connected to the liquid supply pipe. The top of the central liquid inlet pipe extends out of the top of the washing tower and is connected to the liquid supply pipe. The spray frame is fixed on the central liquid inlet pipe and is connected to the inside of the central liquid inlet pipe.

5. The exhaust gas treatment device for sealant mixing tanks according to claim 4, characterized in that: The jet frame is fitted around the central liquid inlet pipe. The inner wall of the scrubbing tower is provided with a mounting bracket for fixing the jet frame. The jet frame is connected to an air inlet branch pipe that is connected to the air inlet pipe. The side wall of the scrubbing tower is provided with a through hole through which the air inlet pipe passes.

6. The exhaust gas treatment device for sealant mixing tanks according to claim 5, characterized in that: The spray rack is configured with no less than two layers. The spray nozzles on the first layer of the spray rack are inclined inwards, and the spray nozzles on the second layer of the spray rack are inclined outwards.

7. The exhaust gas treatment device for sealant mixing tank according to claim 6, characterized in that: The jet nozzle is tilted inward.

8. The exhaust gas treatment device for sealant mixing tank according to claim 7, characterized in that: The washing tower includes a tower body and a top cover that is detachably installed on the top of the tower body. The top of the central liquid inlet pipe is fixed on the top cover, and a sealing cover plate is provided at the bottom of the central liquid inlet pipe. The exhaust pipe is located on the top cover near the edge.

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