Waste gas treatment device for PVC plastic particle processing

By combining spray components with activated carbon layers in a multi-stage filtration device, the problem of insufficient adsorption efficiency of traditional activated carbon boards in environments with high concentrations of harmful gases is solved, achieving efficient waste gas purification and simple maintenance, and ensuring that waste gas from PVC plastic particle processing meets emission standards.

CN224040516UActive Publication Date: 2026-03-27JIANGSU SIKESAIS PLASTIC PROD CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In environments with high concentrations of harmful gases, the adsorption efficiency of traditional activated carbon boards is insufficient, leading to excessive emissions of waste gas from PVC plastic particle processing, which fails to meet environmental emission standards.

Method used

The waste gas treatment device combines a spray assembly with an activated carbon layer. It achieves multi-stage purification by spraying waste gas treatment liquid and utilizing a multi-stage filtration system consisting of a water absorption layer, a primary filter layer, and an activated carbon layer, combined with an electric heating grid and a desiccant layer.

Benefits of technology

It improves the efficiency of waste gas treatment, ensures that waste gas meets emission standards, reduces operating costs, and simplifies the replacement and maintenance process of the filter layer.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224040516U_ABST
    Figure CN224040516U_ABST
Patent Text Reader

Abstract

The utility model discloses a waste gas treatment device for PVC (polyvinyl chloride) plastic particle processing, and relates to the technical field of PVC waste gas treatment. The waste gas treatment device for PVC plastic particle processing comprises a waste gas treatment box used for treating waste gas generated in the PVC plastic particle processing process; the spraying assembly is fixedly mounted on the waste gas treatment box and is used for spraying waste gas treatment liquid into the waste gas treatment box; the activated carbon layer is movably mounted in the waste gas treatment box and used for finally filtering waste gas in the gas inlet pipeline, and the activated carbon layer is located at the right ends of the two spraying assemblies; through combination of the spraying assembly and the activated carbon layer, harmful substances in waste gas can be efficiently removed, the treatment efficiency is high, and proper waste gas treatment liquid can be selected according to waste gas components generated in the PVC plastic particle processing process so as to ensure the treatment effect.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to PVC waste gas treatment technical field, concretely is a kind of waste gas treatment device for PVC plastic particle processing. BACKGROUND

[0002] PVC plastic particle processing is the production process that granular material is made by mixing polyvinyl chloride resin with plasticizer, stabilizer, lubricant and other additives according to certain proportion, high-temperature melting, plasticizing, granulating process, and its product is widely used in pipe, profile, film, wire and cable and other fields.

[0003] Publication No. CN220142958U discloses a kind of PVC waste gas recovery processing device, including box, the inner wall top of box is equipped with partition, the side of partition is equipped with air inlet chamber, the other side of partition is equipped with filter gas chamber, the inner wall of filter gas chamber is equipped with filter gas mechanism, air inlet chamber and filter gas chamber below are equipped with water storage pool, the bottom of water storage pool is equipped with the gas separation mechanism for separating the gas of inlet pipe into small bubbles;Waste gas is mixed with water, waste gas emerges from water and then enters filter gas chamber, and then is purified by activated carbon plate in filter gas chamber, improves the filtration stability of activated carbon plate to waste gas.

[0004] Although the above technical solution can improve the filtration stability of activated carbon plate to waste gas, when harmful substance concentration in waste gas is high, activated carbon plate cannot effectively absorb harmful gas in waste gas, so that treated waste gas still contains harmful components exceeding standard, and cannot meet environmental protection emission standard. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of prior art, the utility model provides a kind of waste gas treatment device for PVC plastic particle processing, solve the problem that traditional activated carbon plate adsorption efficiency is insufficient and leads to waste gas emission exceeding standard in high concentration harmful gas environment.

[0006] To achieve the above object, the utility model is realized by the following technical scheme: a kind of waste gas treatment device for PVC plastic particle processing, comprising:

[0007] Waste gas treatment box is used to treat the waste gas generated in the process of PVC plastic particle processing, the left side of the top of waste gas treatment box is fixedly installed with the air inlet pipeline that is connected with each other;

[0008] Spray assembly, the spray assembly is fixedly installed on the waste gas treatment box, for spraying waste gas treatment liquid that reacts with waste gas generated in the process of PVC plastic particle processing to the inside of waste gas treatment box;

[0009] Two water absorption layers, both of which are movably installed in the exhaust gas treatment box and are located at the left and right ends of the spray assembly respectively, for absorbing the exhaust gas treatment liquid sprayed by the spray assembly, so as to facilitate the reaction of the exhaust gas in the exhaust gas treatment box with the exhaust gas treatment liquid.

[0010] A primary filtration layer, which is movably installed in the air inlet pipeline, for performing primary filtration on the exhaust gas in the air inlet pipeline.

[0011] An activated carbon layer, which is movably installed in the exhaust gas treatment box, for performing final filtration on the exhaust gas in the air inlet pipeline, and which is located at the right end of the two spray assemblies.

[0012] Preferably, the spray assembly comprises a spray head, which is fixedly installed at the inner top of the exhaust gas treatment box, and the top of the spray head is fixedly installed with one end of a spray pipe, and the other end of the spray pipe is fixedly installed with a water tank, and the spray pipe is fixedly installed with a water pump.

[0013] Preferably, the spray assembly further comprises a water collecting member, which is fixedly installed at the inner bottom of the exhaust gas treatment box, and which is in communication with the exhaust gas treatment box, and which is located directly below the spray head, and the bottom of the water collecting member is fixedly installed with one end of a backflow pipe, and the other end of the backflow pipe is fixedly connected with the water collecting member.

[0014] Preferably, the air inlet pipeline is fixedly installed with an air inlet fan with a downward air outlet, the air inlet fan is located above the primary filtration layer, the left end of the inner wall of the exhaust gas treatment box is fixedly installed with a guide air fan with a rightward air outlet, the guide air fan is located at the left side of the air inlet pipeline, and the right end of the inner wall of the exhaust gas treatment box is fixedly installed with an exhaust fan with a rightward air outlet, and the exhaust fan is located at the right side of the activated carbon layer.

[0015] Preferably, the inner wall of the exhaust gas treatment box is fixedly installed with an electric heating net, and the electric heating net is movably installed with a desiccant layer, and the desiccant layer is located between the water absorption layer and the primary filtration layer.

[0016] Preferably, the front ends of the exhaust gas treatment box and the air inlet pipeline are slidably installed with a plurality of filter boxes, and the activated carbon layer, the desiccant layer and the two water absorption layers are movably installed on the exhaust gas treatment box through the filter boxes, and the primary filtration layer is slidably installed on the air inlet pipeline through the filter boxes.

[0017] Preferably, a plurality of air permeable holes are formed on the filter box, a handle is fixedly installed at the front end of the filter box, an installation groove is formed at the rear end of the filter box, a plurality of sliding blocks are fixedly installed on the inner wall of the waste gas treatment box, and a sliding groove matched with the sliding blocks is formed at both ends of the filter box.

[0018] Beneficial effects

[0019] The utility model provides a PVC plastic particle processing exhaust treatment device.

[0020] 1、The PVC plastic particle processing exhaust treatment device can efficiently remove harmful substances in waste gas through the combination of the spraying assembly and the activated carbon layer, has high treatment efficiency, and can select appropriate waste gas treatment liquid according to the composition of waste gas generated in the PVC plastic particle processing process to ensure the treatment effect.

[0021] 2、The PVC plastic particle processing exhaust treatment device can greatly shorten the downtime maintenance time by setting the filter box, sliding blocks and sliding grooves and only needing to pull the handle to pull out the saturated or damaged filter layer. DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 It is a schematic diagram of the utility model Figure 1 ; Figure 1

[0024] Figure 3 It is a schematic diagram of the utility model Figure 1 ; Figure 2

[0025] Figure 4 It is a schematic diagram of the utility model Figure 2 ;

[0026] Figure 5 It is a schematic diagram of the filter box in the utility model.

[0027] In the figure: 1, waste gas treatment box; 2, air inlet pipeline; 3, spraying assembly; 31, spraying head; 32, spraying pipe; 33, water tank; 34, water pump; 35, water collecting part; 36, return pipe; 4, water absorption layer; 5, primary filter layer; 6, activated carbon layer; 7, air inlet fan; 8, air guide fan; 9, air outlet fan; 10, electric heating net; 11, desiccant layer; 12, filter box; 13, air permeable hole; 14, handle; 15, installation groove; 16, sliding block; 17, sliding groove. DETAILED DESCRIPTION

[0028] ​​Clearly, the described embodiments are merely part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0029] Referring to Figures 1-5 The present application provides the following two technical solutions:

[0030] The first embodiment is a waste gas treatment device for PVC plastic particle processing, comprising:

[0031] A waste gas treatment box 1 is used for treating waste gas generated in the PVC plastic particle processing process, and a gas inlet pipeline 2 is fixedly installed on the left side of the top of the waste gas treatment box 1.

[0032] A spraying assembly 3 is fixedly installed on the waste gas treatment box 1, and is used for spraying waste gas treatment liquid which reacts with the waste gas generated in the PVC plastic particle processing process into the waste gas treatment box 1.

[0033] Two water absorption layers 4 are movably installed in the waste gas treatment box 1, and are respectively located at the left and right ends of the spraying assembly 3, and are used for absorbing the waste gas treatment liquid sprayed by the spraying assembly 3, so as to facilitate the reaction between the waste gas in the waste gas treatment box 1 and the waste gas treatment liquid.

[0034] A primary efficiency filter layer 5 is movably installed in the gas inlet pipeline 2, and is used for preliminarily filtering the waste gas in the gas inlet pipeline 2.

[0035] An activated carbon layer 6 is movably installed in the waste gas treatment box 1, and is used for finally filtering the waste gas in the gas inlet pipeline 2, and the activated carbon layer 6 is located at the right end of the two spraying assemblies 3.

[0036] The spraying assembly 3 comprises a spraying head 31, the spraying head 31 is fixedly installed on the inner top of the waste gas treatment box 1, one end of a spraying pipe 32 is fixedly installed on the top of the spraying head 31, a water tank 33 is fixedly installed on the other end of the spraying pipe 32, and a water pump 34 is fixedly installed on the spraying pipe 32.

[0037] The spraying assembly 3 further comprises a water collecting part 35, the water collecting part 35 is fixedly installed on the inner bottom of the waste gas treatment box 1, the water collecting part 35 is communicated with the waste gas treatment box 1, the water collecting part 35 is located directly below the spraying head 31, one end of a backflow pipe 36 is fixedly installed on the bottom of the water collecting part 35, and the other end of the backflow pipe 36 is fixedly connected with the water collecting part 35.

[0038] The exhaust gas first enters the exhaust gas treatment box 1 through the air inlet pipe 2, in the air inlet pipe 2, the primary filter layer 5 performs primary filtration on large particle impurities in the exhaust gas, reducing the burden of subsequent treatment; the water pump 34 delivers the exhaust gas treatment liquid in the water tank 33 to the spray head 31 through the spray pipe 32, the spray head 31 uniformly sprays the treatment liquid in the exhaust gas treatment box 1, so that the exhaust gas and the treatment liquid are in full contact and chemical reaction occurs, converting harmful substances in the exhaust gas into harmless or low-toxic substances, the water absorption layer 4 at the left and right ends of the spray assembly 3 absorbs the sprayed exhaust gas treatment liquid, when the exhaust gas passes through the water absorption layer 4, it can fully react with the exhaust gas treatment liquid in the water absorption layer 4; the water collecting piece 35 below the spray head 31 collects the dripping treatment liquid, the water collecting piece 35 returns the collected treatment liquid to the water tank 33 through the backflow pipe 36, realizing the recycling of the treatment liquid; the exhaust gas treated by spraying continues to flow to the right, passes through the activated carbon layer 6, and the activated carbon layer 6 adsorbs and filters the remaining harmful substances in the exhaust gas, ensuring that the exhaust gas meets the emission standard; by combining the spray treatment and activated carbon adsorption, the device can efficiently remove harmful substances in the exhaust gas generated during the processing of PVC plastic particles, the design of the water collecting piece 35 and the backflow pipe 36 realizes the recycling of the treatment liquid, reducing the operating cost.

[0039] The second embodiment is mainly different from the first embodiment in that the air inlet fan 7 with a downward air outlet is fixedly installed in the air inlet pipe 2, the air inlet fan 7 is located above the primary filter layer 5, the air guide fan 8 with a rightward air outlet is fixedly installed at the left end of the inner wall of the exhaust gas treatment box 1, the air guide fan 8 is located at the left side of the air inlet pipe 2, the air outlet fan 9 with a rightward air outlet is fixedly installed at the right end of the inner wall of the exhaust gas treatment box 1, the air outlet fan 9 is located at the right side of the activated carbon layer 6, the electric heating net 10 is fixedly installed on the inner wall of the exhaust gas treatment box 1, the desiccant layer 11 is movably installed on the electric heating net 10, the desiccant layer 11 is located between the water absorption layer 4 and the primary filter layer 5, a plurality of filter boxes 12 are slidably installed at the front ends of the exhaust gas treatment box 1 and the air inlet pipe 2, the activated carbon layer 6, the desiccant layer 11 and the two water absorption layers 4 are movably installed on the exhaust gas treatment box 1 through the filter boxes 12, and the primary filter layer 5 is slidably installed on the air inlet pipe 2 through the filter box 12. A plurality of air permeable holes 13 are formed in the filter box 12, a handle 14 is fixedly installed at the front end of the filter box 12, an installation groove 15 is formed at the rear end of the filter box 12, a plurality of sliding blocks 16 are fixedly installed on the inner wall of the exhaust gas treatment box 1, and sliding grooves 17 matched with the sliding blocks 16 are formed at the two ends of the filter box 12.

[0040] The air inlet fan 7 helps to quickly and uniformly introduce the exhaust gas in the air inlet pipe 2 into the exhaust gas treatment box 1, and the exhaust gas is preliminarily filtered by the primary filter layer 5. The air guide fan 8 blows the exhaust gas from the left side of the exhaust gas treatment box 1 to the right side, and promotes the normal flow of the exhaust gas in the box. The exhaust fan 9 quickly discharges the treated exhaust gas from the exhaust gas treatment box 1, so as to ensure that the treated exhaust gas does not stay. The drying agent layer 11 is located between the water absorption layer 4 and the primary filter layer 5, and is used to dry the exhaust gas after being treated by the water absorption layer 4, so as to prevent the water in the exhaust gas from affecting the normal adsorption of the activated carbon layer 6. Through the cooperation of the sliding groove 17 and the sliding block 16, the sliding installation of the filter box 12 on the exhaust gas treatment box 1 or the air inlet pipe 2 is realized, and the replacement and maintenance of each filter layer are more convenient and fast, and the maintenance cost and time are reduced.

[0041] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

[0042] In use, the exhaust gas enters the exhaust gas treatment box 1 through the air inlet pipe 2, is preliminarily filtered by the primary filter layer 5 to remove large-particle impurities, and the treatment liquid is uniformly sprayed in the exhaust gas treatment box 1 by the spray head 31. The exhaust gas is in full contact with the treatment liquid to chemically react, so as to convert the harmful substances in the exhaust gas into harmless or low-toxic substances. Meanwhile, the water absorption layer 4 at the left and right ends of the spray assembly 3 absorbs the sprayed exhaust gas treatment liquid. The exhaust gas further reacts with the treatment liquid when passing through the water absorption layer 4. The exhaust gas treated by the water absorption layer 4 enters the drying agent layer 11 for drying treatment, so as to prevent the water in the exhaust gas from interfering with the subsequent treatment steps. The exhaust gas continues to flow to the right, is finally filtered by the activated carbon layer 6 to remove the remaining harmful substances, and is quickly discharged from the exhaust gas treatment box 1 by the exhaust fan 9, so as to ensure that the treated exhaust gas does not stay. The filter box 12 is pulled out of the exhaust gas treatment box 1 or the air inlet pipe 2 through the sliding block 16 and the sliding groove 17 by pulling the handle 14, and the filter layer in the filter box 12 is replaced through the installation groove 15.

[0043] It should be noted that, in the present document, the terms such as first and second, and the like are used merely to differentiate one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between such entities or operations. Moreover, the terms "comprising", "containing", or any other variant thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0044] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A waste gas treatment device for PVC plastic particle processing, characterized by, Include: The exhaust gas treatment tank is used for treating the exhaust gas generated in the PVC plastic particle processing process, and the left top of the exhaust gas treatment tank is fixedly installed with the air inlet pipeline in communication; The spray assembly is fixedly installed on the exhaust gas treatment tank, which is used for spraying the exhaust gas treatment liquid which reacts with the exhaust gas generated in the PVC plastic particle processing process into the exhaust gas treatment tank; Two water absorption layers, two water absorption layers are movably installed in the exhaust gas treatment tank, and two water absorption layers are respectively located at the left and right ends of the spray assembly, which is used for absorbing the exhaust gas treatment liquid sprayed by the spray assembly, so as to facilitate the reaction of the exhaust gas in the exhaust gas treatment tank and the exhaust gas treatment liquid; The primary filter layer is movably installed in the air inlet pipeline, which is used for primary filtering the exhaust gas in the air inlet pipeline; The activated carbon layer is movably installed in the exhaust gas treatment tank, which is used for final filtering the exhaust gas in the air inlet pipeline, and the activated carbon layer is located at the right end of the two spray assemblies.

2. The waste gas treatment device for PVC plastic particle processing according to claim 1, characterized in that: The spray assembly comprises a spray head, the spray head is fixedly installed on the inner top of the exhaust gas treatment tank, one end of the spray pipe is fixedly installed on the top of the spray head, the other end of the spray pipe is fixedly installed with a water tank, and a water pump is fixedly installed on the spray pipe.

3. The waste gas treatment device for PVC plastic particle processing according to claim 2, characterized in that: The spray assembly further comprises a water collecting element, the water collecting element is fixedly installed on the inner bottom of the exhaust gas treatment tank, the water collecting element is in communication with the exhaust gas treatment tank, the water collecting element is located below the spray head, one end of the backflow pipe is fixedly installed on the bottom of the water collecting element, and the other end of the backflow pipe is fixedly connected with the water collecting element.

4. The waste gas treatment device for PVC plastic particle processing according to claim 1, characterized in that: The air inlet fan is fixedly installed in the air inlet pipeline, the air inlet fan is located above the primary filter layer, the left end of the inner wall of the exhaust gas treatment tank is fixedly installed with the air guide fan which is right, the air guide fan is located on the left side of the air inlet pipeline, the right end of the inner wall of the exhaust gas treatment tank is fixedly installed with the air outlet fan which is right, and the air outlet fan is located on the right side of the activated carbon layer.

5. The waste gas treatment device for PVC plastic particle processing according to claim 3, characterized in that: The electric heating net is fixedly installed on the inner wall of the exhaust gas treatment tank, the desiccant layer is movably installed on the electric heating net, and the desiccant layer is located between the water absorption layer and the primary filter layer.

6. The waste gas treatment device for PVC plastic particle processing according to claim 5, characterized in that: The front ends of the exhaust gas treatment tank and the air inlet pipeline are slidably installed with a plurality of filter boxes, the activated carbon layer, the desiccant layer and the two water absorption layers are movably installed on the exhaust gas treatment tank through the filter boxes, and the primary filter layer is slidably installed on the air inlet pipeline through the filter boxes.

7. The waste gas treatment device for PVC plastic particle processing according to claim 6, characterized in that: A plurality of air holes are formed in the filter box, a handle is fixedly installed on the front end of the filter box, an installation groove is formed in the rear end of the filter box, a plurality of sliding blocks are fixedly installed on the inner wall of the exhaust gas treatment tank, and sliding grooves matched with the sliding blocks are formed at both ends of the filter box.

Citation Information

Patent Citations

  • PVC waste gas recovery treatment device

    CN220142958U