Waste gas purification device for PVC plastic fluid hose production

Abstract

The utility model relates to the technical field of waste gas purification, in particular to a waste gas purification device for PVC (Polyvinyl Chloride) plastic fluid hose production, which is used for neutralizing and adsorbing harmful substances and improving the waste gas treatment effect. Comprising a treatment box, a primary filtering mechanism, a neutralizing assembly, a treatment assembly and a filtering adsorption assembly, supporting legs are fixedly installed at the four corners of the bottom of the treatment box correspondingly, a bottom plate is fixedly installed at the bottoms of the supporting legs, an air inlet box is connected to the upper portion of the left side wall of the treatment box, and a second partition plate is fixedly connected to the bottom of the treatment box and the right side wall of the air inlet box; a third partition plate is fixedly installed on the right side wall of the second partition plate and the top end in the treatment box, the interior of the treatment box is divided into a neutralizing cavity and a treatment cavity, the primary filtering mechanism is installed on the upper portion of the left side wall of the treatment box and communicates with the interior of the air inlet box, and a filtering adsorption assembly is installed on the right side wall of the third partition plate in the treatment cavity; the right end of the top of the treatment box is connected with an air outlet pipe; the input end of the air outlet pipe communicates with the treatment cavity.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas purification, in particular to a waste gas purification device for the production of PVC plastic fluid hoses. Background Technique

[0002] During the production process of PVC pipes, waste flue gas will be generated. If these flue gases are directly discharged into the air, it will cause pollution to the atmosphere and aggravate the degree of environmental pollution. Therefore, these waste gases need to be treated. A gas treatment device for the production of PVC joint pipes disclosed in the prior art publication number CN211328577U includes two installation boxes, which are symmetrically arranged. The two installation boxes are connected together through a sliding device. A first limiting device is arranged on the sliding device. Installation seats are symmetrically and fixedly installed on the two side walls of the two installation boxes. Installation holes are symmetrically opened in the upper and lower sides of the four installation seats. Grooves are symmetrically opened in the lower sides of the opposite side walls of the two installation boxes. A blowing device is arranged in the grooves. Second limiting grooves are opened on the side walls of the two grooves. Third limiting grooves are opened on the side walls of the grooves far from the second limiting grooves at symmetrical positions with respect to the second limiting grooves. A sliding plate is slidably connected in the second limiting groove and the third limiting groove. A second limiting device and a filtering device are arranged on the sliding plate. However, only the waste gas generated during the production process of PVC pipes is treated through a filter screen, and the harmful substances in the waste gas cannot be completely removed, and the gas treatment effect is poor. Summary of the Utility Model

[0003] To solve the above technical problems, the utility model provides a waste gas purification device for the production of PVC plastic fluid hoses, which neutralizes and adsorbs harmful substances and improves the waste gas treatment effect.

[0004] An exhaust gas purification device for the production of PVC plastic fluid hoses of the present utility model includes a treatment tank, a primary filtration mechanism, a neutralization component, a treatment component, and a filtration and adsorption component. Legs are fixedly installed at the four corners of the bottom of the treatment tank, and a bottom plate is fixedly installed at the bottom of the legs. The upper part of the left side wall of the treatment tank is connected to an air inlet tank. A second partition is fixedly connected to the bottom of the treatment tank and the right side wall of the air inlet tank. The right side wall of the second partition and the inner top of the treatment tank are fixedly installed with a third partition, dividing the interior of the treatment tank into a neutralization chamber and a treatment chamber. The primary filtration mechanism is installed on the upper part of the left side wall of the treatment tank and is internally connected to the air inlet tank. A filtration and adsorption component is installed on the right side wall of the third partition inside the treatment chamber. The right end of the top of the treatment tank is connected to an exhaust pipe, and the input end of the exhaust pipe is connected to the treatment chamber. The equipment is supported by the legs and the bottom plate to ensure stability. The exhaust gas is input into the primary filtration mechanism for preliminary filtration to remove large particles in the exhaust gas. The acidic gas in the exhaust gas enters the neutralization chamber for neutralization treatment of the exhaust gas. Then the exhaust gas enters the treatment chamber, where harmful substances are absorbed, and then the filtration and adsorption component absorbs the harmful substances in the gas. The purified gas is discharged into the air through the exhaust pipe, improving the treatment effect of the exhaust gas.

[0005] Preferably, the primary filtration mechanism includes a primary filtration box, a filter screen, an intake pipe, and a discharge component. An air inlet communicating with the inside of the air inlet tank is opened on the left side wall of the treatment tank. The primary filtration box is fixedly installed on the left side wall of the treatment tank and is connected to the air inlet. The filter screen is inclined and installed inside the primary filtration box. The left end of the primary filtration box is connected to the intake pipe. The exhaust gas is input into the primary filtration box through the intake pipe, and the large particle impurities in the exhaust gas are cleaned by the filter screen. The inclined filter screen enables the blocked impurities to fall downward.

[0006] Preferably, the discharge component includes a collection hopper, a rotating shaft, a driving motor, a spiral conveyor blade, and a slag discharge pipe. The collection hopper is connected to the lower part of the filter screen. The rotating shaft is rotatably installed inside the collection hopper. The rear input end of the collection hopper is connected to the output end of the driving motor. The spiral conveyor blade is installed on the outer wall of the rotating shaft. The front lower part of the collection hopper is connected to the slag discharge pipe, and a sealing cap is provided at the front end of the slag discharge pipe. Remove the sealing cap from the slag discharge pipe, start the driving motor to drive the rotating shaft to rotate, the rotating shaft drives the spiral conveyor blade to rotate, and the impurities are pushed forward and discharged through the slag discharge pipe, improving the convenience during cleaning and reducing the labor intensity of the staff.

[0007] Preferably, the neutralization component includes a partition, a plurality of communicating pipes, and a liquid adding pipe. The partition is installed at the air inlet. A plurality of communicating pipes are evenly installed on the partition. The communicating pipes penetrate through the air inlet tank and extend into the lower part of the neutralization chamber. The liquid adding pipe is connected to the upper part of the left side wall of the treatment tank. Alkali liquid is added into the neutralization chamber through the liquid adding pipe. The exhaust gas filtered by the filter screen is input into the communicating pipes and then into the alkali liquid. When the acidic gas in the exhaust gas enters the alkali liquid, it will be absorbed by the alkali liquid and neutralized.

[0008] Preferably, the processing component includes an air extraction pump, an injection pipe, a second liquid inlet pipe, and a liquid discharge pipe. The air extraction pump is installed on the top of the second partition board. The input end of the air extraction pump is communicated with the inside of the neutralization chamber. The output end of the air extraction pump is connected with a plurality of injection pipes. The injection pipes penetrate through the lower part of the third partition board and extend to the bottom of the processing chamber. The second liquid inlet pipe is connected to the right side wall of the processing box. The liquid discharge pipes are installed at the lower parts of the left and right side walls of the processing box. Organic solvent is added into the processing chamber through the second liquid inlet pipe. The air extraction pump is started to extract the processed gas in the upper part of the neutralization chamber and input it into the processing chamber through the injection pipes, so that part of the harmful substances in the gas are absorbed by the organic solvent. The alkali liquid and the organic solvent can be discharged and replaced conveniently through the liquid discharge pipes.

[0009] Preferably, the filtering and adsorbing component includes two supporting sealing strips, a filtering cylinder, an activated carbon absorption layer, and a plurality of pull handles. The supporting sealing strips are installed on the upper part of the processing chamber and the right side wall of the third partition board. An insertion opening is formed in the upper part of the right side wall of the processing box. The right end of the filtering cylinder is hermetically inserted into the insertion opening. The activated carbon absorption layer is installed in the filtering cylinder. A plurality of pull handles are installed on the right side wall of the filtering cylinder. The four corners of the right side wall of the filtering cylinder are fixedly connected to the processing box through bolts. The processed gas moves upward in the processing chamber. The harmful substances in the gas are adsorbed by the activated carbon absorption layer. The purified gas is discharged into the air through the air outlet pipe. By unscrewing the bolts and pulling the filtering cylinder through the pull handles, the filtering cylinder can be taken out inside the processing chamber, which is convenient for replacement and cleaning, and improves the practicability.

[0010] Preferably, a plurality of electrostatic plates are alternately installed on the lower inner wall of the filtering cylinder. When the waste gas flows upward in the processing chamber, the particulate matters in the gas are adsorbed by the plurality of electrostatic plates. The alternately arranged electrostatic plates can ensure the contact area with the gas and improve the processing quality.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: The waste gas is input into the primary filtering mechanism for primary filtering to remove large particles in the waste gas. The acidic gas in the waste gas enters the neutralization chamber for neutralization treatment. Then the waste gas enters the processing chamber, and the harmful substances are absorbed. Then the filtering and adsorbing component absorbs the harmful substances in the gas. The purified gas is discharged into the air through the air outlet pipe, improving the treatment effect on the waste gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic structural diagram of the present utility model;

[0013] Figure 2 is an axonometric structural diagram of the present utility model;

[0014] Figure 3 is a top view structural diagram of the present utility model;

[0015] Figure 4It is a left - view sectional structure schematic diagram of the utility model;

[0016] Figure 5 It is a front - view sectional structure schematic diagram of the utility model;

[0017] Reference signs in the drawings: 1. Processing box; 2. Leg; 3. Bottom plate; 4. Exhaust pipe; 5. Intake box; 6. Second partition; 7. Third partition; 8. Primary filter box; 9. Filter screen; 10. Intake pipe; 11. Collection hopper; 12. Rotating shaft; 13. Driving motor; 14. Screw conveyor blade; 15. Slag discharge pipe; 16. Partition; 17. Connecting pipe; 18. Liquid adding pipe; 19. Air extraction pump; 20. Injection pipe; 21. Second liquid inlet pipe; 22. Liquid discharge pipe; 23. Support sealing strip; 24. Filter cylinder; 25. Electrostatic plate; 26. Activated carbon absorption layer; 27. Pull handle; 28. Bolt. Detailed implementation manners

[0018] To facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the utility model more thorough and comprehensive. Embodiment

[0019] As shown in Figure 1 , Figure 3 , Figure 4 and Figure 5 , legs 2 are respectively and fixedly installed at the four corners of the bottom of the processing box 1, the bottom of the legs 2 is fixedly installed with a bottom plate 3, the upper part of the left side wall of the processing box 1 is connected with an intake box 5, the bottom of the processing box 1 and the right side wall of the intake box 5 are fixedly connected with a second partition 6, the right side wall of the second partition 6 and the inner top of the processing box 1 are fixedly installed with a third partition 7, dividing the interior of the processing box 1 into a neutralization chamber and a processing chamber, the right end of the top of the processing box 1 is connected with an exhaust pipe 4, the input end of the exhaust pipe 4 is communicated with the processing chamber, an air inlet communicating with the interior of the intake box 5 is opened on the left side wall of the processing box 1, a primary filter box 8 is fixedly installed on the left side wall of the processing box 1 and is communicated with the air inlet, a filter screen 9 is obliquely installed inside the primary filter box 8, the left end of the primary filter box 8 is connected with an intake pipe 10, a partition 16 is installed at the air inlet, a plurality of connecting pipes 17 are uniformly installed on the partition 16, the connecting pipes 17 penetrate through the intake box 5 and extend into the lower part of the neutralization chamber, the upper part of the left side wall of the processing box 1 is connected with a liquid adding pipe 18, an air extraction pump 19 is installed on the top of the second partition 6, the input end of the air extraction pump 19 is communicated with the interior of the neutralization chamber, the output end of the air extraction pump 19 is connected with a plurality of injection pipes 20, the injection pipes 20 pass through the lower part of the third partition 7 and extend into the bottom of the processing chamber, the right side wall of the processing box 1 is connected with a second liquid inlet pipe 21, and liquid discharge pipes 22 are installed at the lower parts of the left and right side walls of the processing box 1;

[0020] The waste gas is input into the primary filter box 8 through the intake pipe 10. The large particulate impurities in the waste gas are cleaned by the filter screen 9. The inclined filter screen 9 enables the blocked impurities to fall downward. Alkali liquid is added into the neutralization chamber through the liquid adding pipe 18. The waste gas filtered by the filter screen 9 is input into the connecting pipe 17 and then into the alkali liquid through the connecting pipe 17. When the acidic gas in the waste gas enters the alkali liquid, it will be absorbed by the alkali liquid and neutralized. Organic solvent is added into the treatment chamber through the second liquid adding pipe 21. The air pump 19 is started to extract the treated gas at the upper part of the neutralization chamber and input it into the treatment chamber through the injection pipe 20, so that part of the harmful substances in the gas are absorbed by the organic solvent. The drain pipe 22 is used to discharge and replace the alkali liquid and the organic solvent. Embodiment

[0021] As Figure 2 、 Figure 4 and Figure 5 shown, on the basis of Embodiment 1, it further includes that a support sealing strip 23 is installed on the upper part of the treatment chamber and the right side wall of the third partition plate 7. An insertion opening is formed in the upper part of the right side wall of the treatment box 1. The right end of the filter cylinder 24 is hermetically inserted into the insertion opening. An activated carbon absorption layer 26 is installed in the filter cylinder 24. A plurality of pull handles 27 are installed on the right side wall of the filter cylinder 24. The four corners of the right side wall of the filter cylinder 24 are fixedly connected to the treatment box 1 through bolts 28. A plurality of electrostatic plates 25 are alternately installed on the lower inner wall of the filter cylinder 24. The collection hopper 11 is connected to the lower part of the filter screen 9. The rotating shaft 12 is rotatably installed inside the collection hopper 11. The rear input end of the collection hopper 11 is connected to the output end of the driving motor 13. A spiral conveyor blade 14 is installed on the outer wall of the rotating shaft 12. The front lower part of the collection hopper 11 is connected to a slag discharge pipe 15. A sealing cap is arranged at the front end of the slag discharge pipe 15;

[0022] The treated gas moves upward to the upper part of the treatment chamber. The harmful substances in the gas are adsorbed by the activated carbon absorption layer 26. The purified gas is discharged into the air through the air outlet pipe 4. The bolts 28 are unscrewed, and the filter cylinder 24 is pulled through the pull handles 27, so that it can be taken out inside the treatment chamber, which is convenient for replacement and cleaning, improving the practicability. When the waste gas flows upward in the treatment chamber, the particulate matter in the gas is adsorbed by a plurality of electrostatic plates 25. The alternately arranged electrostatic plates 25 can ensure the contact area with the gas and improve the treatment quality. The sealing cap is removed from the slag discharge pipe 15, the driving motor 13 is started to drive the rotating shaft 12 to rotate, the rotating shaft 12 drives the spiral conveyor blade 14 to rotate, and the impurities are pushed forward and discharged through the slag discharge pipe 15, improving the convenience during cleaning and reducing the labor intensity of the staff.

[0023] As Figures 1 to 5As shown in the figure, for an exhaust gas purification device for the production of PVC plastic fluid hoses of the present utility model, when it is working, the exhaust gas is input into the primary filter box 8 through the intake pipe 10. The large-particle impurities in the exhaust gas are cleaned through the filter screen 9. Alkali liquid is added into the neutralization cavity through the liquid adding pipe 18. The exhaust gas filtered by the filter screen 9 is input into the connecting pipe 17 and then into the alkali liquid through the connecting pipe 17. When the acidic gas in the exhaust gas enters the alkali liquid, it will be absorbed by the alkali liquid and neutralized. Organic solvent is added into the treatment cavity through the second liquid inlet pipe 21. The air pump 19 is started to extract the treated gas at the upper part of the neutralization cavity and input it into the treatment cavity through the injection pipe 20, so that a part of the harmful substances in the gas are absorbed by the organic solvent. The treated gas moves towards the upper part of the treatment cavity, and the harmful substances in the gas are adsorbed by the activated carbon absorption layer 26. The purified gas is discharged into the air through the outlet pipe 4. Unscrew the bolt 28 and pull the filter cylinder 24 through the pull handle 27, and it can be taken out inside the treatment cavity for easy replacement and cleaning. At the same time, remove the sealing cap from the slag discharge pipe 15, start the driving motor 13 to drive the rotating shaft 12 to rotate, the rotating shaft 12 drives the spiral conveyor blade 14 to rotate, push the impurities forward, and discharge them through the slag discharge pipe 15.

[0024] The driving motor 13 and the air pump 19 of the exhaust gas purification device for the production of PVC plastic fluid hoses of the present utility model are purchased on the market. Those skilled in the industry only need to install and operate according to the attached operation manuals, without the need for creative labor from those skilled in the art.

[0025] The above are only the preferred embodiments of the present utility model. It should be noted that for those ordinary technical personnel in the technical field, without departing from the technical principle of the present utility model, several improvements and modifications can still be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. An exhaust gas purification device for the production of PVC plastic fluid hoses, characterized in that, It includes a processing tank (1), a primary filtration mechanism, a neutralization component, a processing component, and a filtration and adsorption component. Legs (2) are fixedly installed at the four corners of the bottom of the processing tank (1), and a bottom plate (3) is fixedly installed at the bottom of the legs (2). The upper part of the left side wall of the processing tank (1) is connected to an air inlet tank (5). A second partition plate (6) is fixedly connected to the bottom of the processing tank (1) and the right side wall of the air inlet tank (5). A third partition plate (7) is fixedly installed on the right side wall of the second partition plate (6) and the inner top of the processing tank (1), dividing the interior of the processing tank (1) into a neutralization chamber and a processing chamber. The primary filtration mechanism is installed at the upper part of the left side wall of the processing tank (1) and is internally connected to the air inlet tank (5). A filtration and adsorption component is installed on the right side wall of the third partition plate (7) inside the processing chamber. The right end of the top of the processing tank (1) is connected to an exhaust pipe (4), and the input end of the exhaust pipe (4) is connected to the processing chamber.

2. The waste gas purification device for the production of PVC plastic fluid hoses according to claim 1, characterized in that, The primary filtration mechanism includes a primary filtration tank (8), a filter screen (9), an air inlet pipe (10), and a discharge component. An air inlet that is internally connected to the air inlet tank (5) is provided on the left side wall of the processing tank (1). The primary filtration tank (8) is fixedly installed on the left side wall of the processing tank (1) and is connected to the air inlet. The filter screen (9) is inclined and installed inside the primary filtration tank (8). The left end of the primary filtration tank (8) is connected to the air inlet pipe (10).

3. The waste gas purification device for the production of PVC plastic fluid hoses according to claim 2, characterized in that, The discharge component includes a collection hopper (11), a rotating shaft (12), a driving motor (13), a spiral conveyor blade (14), and a slag discharge pipe (15). The collection hopper (11) is connected to the lower part of the filter screen (9). The rotating shaft (12) is rotatably installed inside the collection hopper (11). The rear input end of the collection hopper (11) is connected to the output end of the driving motor (13). The spiral conveyor blade (14) is installed on the outer wall of the rotating shaft (12). The front lower part of the collection hopper (11) is connected to the slag discharge pipe (15), and a sealing cap is provided at the front end of the slag discharge pipe (15).

4. The waste gas purification device for the production of PVC plastic fluid hoses as described in claim 1, characterized in that, The neutralization component includes a partition plate (16), a plurality of connecting pipes (17), and a liquid adding pipe (18). The partition plate (16) is installed at the air inlet. A plurality of connecting pipes (17) are evenly installed on the partition plate (16). The connecting pipes (17) penetrate through the air inlet tank (5) and extend into the lower part of the neutralization chamber. The upper part of the left side wall of the processing tank (1) is connected to the liquid adding pipe (18).

5. The waste gas purification device for the production of PVC plastic fluid hoses according to claim 1, characterized in that, The processing component includes an air extraction pump (19), an injection pipe (20), a second liquid inlet pipe (21), and a liquid discharge pipe (22). The air extraction pump (19) is installed on the top of the second partition plate (6). The input end of the air extraction pump (19) is internally connected to the neutralization chamber. The output end of the air extraction pump (19) is connected to a plurality of injection pipes (20). The injection pipes (20) pass through the lower part of the third partition plate (7) and extend into the bottom of the processing chamber. The right side wall of the processing tank (1) is connected to the second liquid inlet pipe (21). The lower parts of the left and right side walls of the processing tank (1) are installed with the liquid discharge pipe (22).

6. The waste gas purification device for the production of PVC plastic fluid hoses according to claim 1, characterized in that The filtering and adsorbing assembly includes two support sealing strips (23), a filter cylinder (24), an activated carbon absorption layer (26) and a plurality of pull handles (27). Support sealing strips (23) are installed on the upper part of the treatment chamber and on the right side wall of the third partition (7). An insertion opening is formed in the upper part of the right side wall of the treatment box (1). The right end of the filter cylinder (24) is hermetically inserted into the insertion opening. An activated carbon absorption layer (26) is installed inside the filter cylinder (24). A plurality of pull handles (27) are installed on the right side wall of the filter cylinder (24). The four corners of the right side wall of the filter cylinder (24) are fixedly connected to the treatment box (1) by bolts (28).

7. The waste gas purification device for the production of PVC plastic fluid hoses according to claim 6, characterized in that, A plurality of electrostatic plates (25) are alternately installed on the lower inner wall of the filter cylinder (24).

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