A plastic processing waste gas treatment device

The plastic processing waste gas treatment equipment, with its liquid circulation flow and dual-layer purification design, solves the problem of non-circulating liquid flow in existing equipment, achieving thorough purification of waste gas and stability of the activated carbon filter layer, thus improving the treatment effect.

CN224308153UActive Publication Date: 2026-06-02HUBEI BAITUO NEW MATERIAL TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUBEI BAITUO NEW MATERIAL TECHNOLOGY CO LTD
Filing Date
2025-06-14
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing waste gas treatment equipment for plastic processing cannot circulate the liquid in the collection tank, resulting in incomplete waste gas treatment and impacting the atmospheric environment.

Method used

A waste gas treatment device for plastic processing was designed, which adopts a liquid circulation design and a two-layer purification system, including a spraying component, a purification component and a cleaning component. The spraying component settles impurities, the purification component purifies the liquid, and the cleaning component removes impurities from the activated carbon filter layer, ensuring the cleaning effect of liquid and waste gas.

Benefits of technology

It achieves the precipitation of impurities in waste gas and the purification of liquid, improving the waste gas treatment effect, ensuring the cleanliness of liquid and the normal use of activated carbon filter layer, and preventing clogging.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

This utility model discloses a plastic processing waste gas treatment device, including a shell; a connecting pipe fixedly extending through the lower right side of the shell; a mounting plate fixedly connected to the lower inside of the shell; and a clearance hole integrally set in the middle of the mounting plate, the clearance hole being a through-hole design. This utility model, through its liquid circulation design, allows impurities in the waste gas to settle to the lower inside of the shell, ensuring the subsequent purification effect of the waste gas. Furthermore, through its purification function, the circulating liquid is purified, ensuring that the liquid remains clean and mixes with the waste gas. The dual-layer purification design of the catalyst and the first activated carbon filter layer inside the cylinder improves the waste gas treatment effect. In addition, the cleaning function scrapes away impurities accumulated and adhering to the surface of the first activated carbon filter layer, preventing clogging and ensuring the normal operation of the first activated carbon filter layer.
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Description

Technical Field

[0001] This utility model relates to the technical field of waste gas treatment equipment, specifically a waste gas treatment device for plastic processing. Background Technology

[0002] Waste gas refers to toxic and harmful gases emitted during human production and daily life, especially from chemical plants, steel mills, pharmaceutical factories, coking plants, and oil refineries. These plants emit strong odors, severely pollute the environment, and negatively impact human health. Current waste gas treatment methods for recycled plastics cannot comprehensively treat the waste gas, leaving some residual gases that can easily enter the atmosphere and cause secondary impacts on the atmospheric environment.

[0003] The patent published under announcement number "CN219848964U" is titled "A Waste Gas Treatment Device for Recycled Plastics." While the device in this document solves the aforementioned problems, it fails to separate impurities from the waste gas by circulating the liquid in the collection tank. Furthermore, it cannot purify the circulating liquid, thus reducing the effectiveness of waste gas treatment. Therefore, this invention designs a waste gas treatment device for plastic processing to address these issues. Utility Model Content

[0004] The purpose of this invention is to provide a plastic processing waste gas treatment device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a plastic processing waste gas treatment device, comprising a housing; a connecting pipe fixedly penetrating the lower right side of the housing exterior; a mounting plate fixedly connected to the lower inside of the housing interior; a clearance hole integrally formed in the middle of the mounting plate interior, the clearance hole being a through-hole design; an exhaust fan fixedly connected to the middle of the top of the mounting plate, the exhaust fan corresponding one-to-one with the clearance hole; a first activated carbon filter layer fixedly connected to the upper inside of the housing interior; an exhaust pipe fixedly penetrating the upper right side of the housing exterior; and a spraying assembly assembled in the lower inside of the housing interior, the spraying assembly capable of settling impurities in the waste gas in the lower inside of the housing interior; the spraying assembly includes components fixedly mounted on... The following components are included: a support rod at the lower end of the housing; a spray hole integrally formed at the lower end of the support rod; a box body on the left side of the housing; a first water pump fixedly mounted on the top right side of the box body; a water pipe fixedly connected to the bottom of the first water pump, the water pipe passing through the box body; a placement pipe fixedly connected to the outer wall of the first water pump, the end of the placement pipe away from the first water pump fixedly passing through the left side of the support rod; a purification assembly assembled inside the housing, the purification assembly discharging purified waste gas to the area of ​​the first activated carbon filter layer; the purification assembly including a cylinder fixedly connected to the middle of the housing; clearance holes integrally formed at both ends of the upper end of the cylinder body; and a first baffle fixedly mounted at the lower end of the cylinder body.

[0006] Preferably, the first activated carbon filter layer has a circular arc-shaped cross-section when viewed from the side, and there are several spray holes and avoidance holes, which are through holes.

[0007] Preferably, a partition is fixedly provided in the middle of the inside of the box, and an installation hole is integrally provided in the lower inside of the partition, and the installation hole is a through hole.

[0008] Preferably, the box body has several detachable second activated carbon filter layers arranged on the left side from top to bottom, and the front end of the top left side of the box body is hinged and the rear end is provided with a cover plate by a latch.

[0009] Preferably, a second water pump is fixedly installed on the left side of the outer wall of the box, and an installation pipe is fixedly installed on the outer wall of the second water pump. The end of the installation pipe away from the second water pump is fixedly inserted through the lower rear end of the outer shell, and a filter screen is fixedly installed inside the installation pipe.

[0010] Preferably, a one-way valve is fixed inside the connecting pipe, and a sealing plate is provided on the left side of the outer front end of the housing via a hinge and on the right side via a latch.

[0011] Preferably, a cleaning component is assembled at the upper end of the housing. The cleaning component can clean the impurities adhering to the surface of the first activated carbon filter layer. The cleaning component includes a rotating rod rotatably disposed at the upper end of the housing; a scraper fixedly disposed on the outer wall of the rotating rod; and a motor fixedly connected to the left side of the outer wall of the housing, the output end of which is fixedly connected to the rotating rod.

[0012] Preferably, the rotating rod and the mounting plate are designed to be parallel, and the side of the scraper away from the housing is in contact with the inner side of the first activated carbon filter layer.

[0013] Preferably, a controller is fixed to the outer wall of the housing, and the controller is connected to the first water pump, the second water pump and the motor via wires.

[0014] Preferably, a second baffle is provided at the upper end of the cylinder, the second baffle being designed to be non-contacting with the cylinder, and the second baffle being fixedly connected to the shell.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. This utility model, through the design of liquid circulation, can settle impurities in the exhaust gas to the lower end of the shell, ensuring the subsequent purification effect of the exhaust gas. Furthermore, through the design of the purification function, the liquid in circulation is purified, ensuring that the liquid is always in a clean state and mixes with the exhaust gas.

[0017] 2. This utility model improves the treatment effect of waste gas through the dual-layer purification design of the catalyst inside the cylinder and the first activated carbon filter layer. In addition, the cleaning function can scrape off the impurities accumulated and adhered to the surface of the first activated carbon filter layer, preventing impurities from clogging the first activated carbon filter layer and ensuring the normal operation of the first activated carbon filter layer. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a front perspective view of a plastic processing waste gas treatment device according to the present invention.

[0020] Figure 2 This is a rear perspective view of a plastic processing waste gas treatment device according to the present invention.

[0021] Figure 3This is a three-dimensional view of the internal structure of a plastic processing waste gas treatment device according to this utility model;

[0022] Figure 4 A three-dimensional view of the first activated carbon filter layer and the scraper bar;

[0023] Figure 5 This is a three-dimensional view of the box body and the second activated carbon filter layer.

[0024] The attached diagram lists the components represented by each number as follows:

[0025] 1-Shell, 2-Connecting pipe, 3-Mounting plate, 4-Leaving hole, 5-Exhaust fan, 6-First activated carbon filter layer, 7-Exhaust pipe, 8-Spraying assembly, 801-Support rod, 802-Spraying hole, 803-Box body, 804-First water pump, 805-Water pipe, 806-Placement pipe, 9-Purification assembly, 901-Cylinder body, 902-Leaving hole, 903-First baffle, 10-Partition plate, 11-Mounting hole, 12-Second activated carbon filter layer, 13-Cover plate, 14-Second water pump, 15-Mounting pipe, 16-Filter screen, 17-One-way valve, 18-Sealing plate, 19-Rotating rod, 20-Scraper, 21-Motor, 22-Controller, 23-Second baffle. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0027] Example 1

[0028] A preferred embodiment of the plastic processing waste gas treatment equipment provided by this utility model is, for example... Figures 1 to 5As shown: A plastic processing waste gas treatment device includes a housing 1; a connecting pipe 2 fixedly penetrating the lower right side of the housing 1; a spraying assembly 8 assembled inside the lower end of the housing 1, which can settle impurities in the waste gas inside the lower end of the housing 1; the spraying assembly 8 includes a support rod 801 fixed inside the lower end of the housing 1; a spraying hole 802 integrally disposed inside the lower end of the support rod 801; a box 803 disposed on the left side of the housing 1; a first water pump 804 fixedly disposed on the top right side of the box 803; and a water pipe 8 fixedly connected to the bottom of the first water pump 804. 05, Water pipe 805 passes through box 803; Placement pipe 806 is fixedly connected to the outer wall of the first water pump 804, and the end of placement pipe 806 away from the first water pump 804 is fixedly connected to the left side of support rod 801; Purification component 9 is assembled inside the housing 1, and purification component 9 can discharge purified waste gas to the area of ​​the first activated carbon filter layer 6; Purification component 9 includes a cylinder 901 fixedly connected to the middle of the inside of the housing 1; clearance holes 902 integrally provided at both ends of the upper end inside the cylinder 901; and a first baffle 903 fixedly provided at the lower end inside the cylinder 901.

[0029] The first activated carbon filter layer 6 has a circular arc-shaped cross-section when viewed from the side. There are several spray holes 802 and avoidance holes 902, and the spray holes 802 and avoidance holes 902 are through holes. A partition 10 is fixed in the middle of the interior of the box body 803. An installation hole 11 is integrally provided in the lower end of the interior of the partition 10. The installation hole 11 is a through hole. Several detachable second activated carbon filter layers 12 are provided on the left side of the interior of the box body 803 from top to bottom. A cover plate 13 is provided at the front end of the top left side of the box body 803 by hinge and at the rear end by a latch. A second water pump 14 is fixed on the left side of the outer wall of the box body 803. An installation pipe 15 is fixed on the outer wall of the second water pump 14. The end of the installation pipe 15 away from the second water pump 14 is fixedly inserted through the lower rear end of the outer shell 1. A filter screen 16 is fixed inside the installation pipe 15.

[0030] It should be noted that existing plastic processing waste gas treatment equipment still has certain shortcomings in actual use. It cannot circulate and purify the liquid after it comes into contact with the waste gas, which not only affects the subsequent purification effect of the waste gas, but also affects the cleanliness of the liquid when it is used.

[0031] In this embodiment, the exhaust gas is first discharged into the lower part of the housing 1 through the connecting pipe 2. The operator turns on the first water pump 804, which pumps the liquid on the right side of the housing 803 through the water pipe 805, the placement pipe 806, the support rod 801, and then through the spray hole 802 into the lower part of the housing 1. This allows the liquid to settle impurities in the exhaust gas into the lower part of the housing 1. In addition, the operator can turn on the second water pump 14, which pumps the liquid in the lower part of the housing 1 into the left side of the housing 803 through the installation pipe 15. This allows the second activated carbon filter layer 12 to purify the liquid. The purified liquid is then discharged into the right side of the housing 1 through the installation hole 11, ultimately ensuring that the liquid is in a state of continuous circulation and purification while in contact with the exhaust gas. The filter screen 16 prevents impurities from entering the interior of the installation pipe 15.

[0032] In a further preferred embodiment of this utility model, a mounting plate 3 is fixedly connected to the lower end of the interior of the housing 1; a clearance hole 4 is integrally provided in the middle of the interior of the mounting plate 3, and the clearance hole 4 is a through hole design; an exhaust fan 5 is fixedly connected to the middle of the top of the mounting plate 3, and the exhaust fan 5 corresponds one-to-one with the clearance hole 4; a first activated carbon filter layer 6 is fixedly connected to the upper end of the interior of the housing 1; and an exhaust pipe 7 is fixedly connected to the upper right side of the exterior of the housing 1.

[0033] In this embodiment, when exhaust gas enters the lower part of the housing 1, the operator can turn on the exhaust fan 5. The exhaust fan 5 discharges the exhaust gas from the lower part of the housing 1 through the clearance hole 4 and the clearance hole 902 at the lower part of the cylinder 901 into the cylinder 901. A catalyst is provided on the top of the first baffle 903, so that the catalyst can purify the exhaust gas. The catalyst is packaged in a breathable packaging bag. The purified exhaust gas then passes through the clearance hole 902 at the upper part of the cylinder 901, is purified by the first activated carbon filter layer 6, and is discharged to the outside through the exhaust pipe 7. In this way, the exhaust gas is treated in a dual purification manner.

[0034] Example 2

[0035] Based on Example 1, a preferred embodiment of the plastic processing waste gas treatment equipment provided by this utility model is as follows: Figures 1 to 5 As shown: A one-way valve 17 is fixed inside the connecting pipe 2, and a sealing plate 18 is provided on the left side of the outer front end of the housing 1 via a hinge and on the right side via a latch.

[0036] In this embodiment, the one-way valve 17 prevents the liquid at the lower end of the housing 1 from being discharged to the outside through the connecting pipe 2, ensuring the stability of the liquid flow direction. After the device is used up, the operator opens the sealing plate 18 and replaces the catalyst inside the cylinder 901.

[0037] In a further preferred embodiment of this utility model, a cleaning component is assembled inside the upper part of the housing 1. The cleaning component can clean the impurities adhering to the surface of the first activated carbon filter layer 6. The cleaning component includes a rotating rod 19 rotatably disposed inside the upper part of the housing 1; a scraper 20 fixedly disposed on the outer wall of the rotating rod 19; and a motor 21 fixedly connected to the left side of the outer wall of the housing 1. The output end of the motor 21 is fixedly connected to the rotating rod 19. The rotating rod 19 and the mounting plate 3 are designed to be parallel. The side of the scraper 20 away from the housing 1 is in contact with the inner side of the first activated carbon filter layer 6. A controller 22 is fixedly disposed on the outer wall of the housing 1. The controller 22 is connected to the first water pump 804, the second water pump 14 and the motor 21 through wires. A second baffle 23 is provided at the upper part of the cylinder 901. The second baffle 23 is designed to be non-contacting with the cylinder 901 and is fixedly connected to the housing 1.

[0038] In this embodiment, when treating exhaust gas, the operator can turn on the motor 21. The motor 21 drives the rotating rod 19 and the scraper 20 to clean the impurities adhering to the surface of the first activated carbon filter layer 6, ensuring the normal operation of the first activated carbon filter layer 6. The cleaned impurities fall onto the second baffle 23, and the operator can clean the impurities on the top of the second baffle 23.

[0039] In summary, this application can purify the circulating liquid, thereby allowing the clean liquid to come into contact with the exhaust gas, ensuring the stability of impurities in the exhaust gas settling to the lower part of the casing. In addition, the dual purification function design improves the exhaust gas treatment effect, and the cleaning function design ensures the stability of the first activated carbon filter layer during use.

Claims

1. A plastic processing off-gas treatment apparatus characterized by comprising: include: Shell (1); A connecting pipe (2) is fixed through the lower right side of the outer side of the housing (1); A mounting plate (3) is fixedly connected to the lower end of the housing (1); A clearance hole (4) is integrally provided in the middle of the interior of the mounting plate (3), and the clearance hole (4) is a through hole design; An exhaust fan (5) is fixedly connected to the top center of the mounting plate (3), and the exhaust fan (5) corresponds one-to-one with the clearance hole (4); The first activated carbon filter layer (6) is fixedly connected to the upper part of the shell (1). An exhaust pipe (7) is fixedly inserted through the upper right side of the outer side of the housing (1); The spraying assembly (8) is installed at the lower end of the interior of the housing (1). The spraying assembly (8) can settle impurities in the exhaust gas at the lower end of the interior of the housing (1). The spraying assembly (8) includes: A support rod (801) is fixed inside the lower end of the housing (1). Spray hole (802) integrally provided inside the lower end of the support rod (801); The box (803) is located on the left side of the housing (1); A first water pump (804) is fixedly installed on the right side of the top of the box (803); A water pipe (805) is fixedly connected to the bottom of the first water pump (804), and the water pipe (805) passes through the box body (803); A placement pipe (806) is fixedly connected to the outer wall of the first water pump (804), and one end of the placement pipe (806) away from the first water pump (804) is fixedly inserted through the left side of the support rod (801); The purification component (9) assembled inside the housing (1) can discharge the purified exhaust gas to the area of ​​the first activated carbon filter layer (6); The purification component (9) includes: A cylindrical body (901) is fixedly connected to the middle of the interior of the housing (1); The clearance holes (902) are integrally provided at both ends of the upper part inside the cylinder (901); A first baffle (903) is fixed inside the lower end of the cylinder (901).

2. The plastic processing waste gas treatment equipment according to claim 1, characterized in that: The first activated carbon filter layer (6) has a circular arc-shaped cross-section when viewed from the side. There are several spray holes (802) and avoidance holes (902), and the spray holes (802) and avoidance holes (902) are through holes.

3. The plastic processing waste gas treatment equipment according to claim 1, characterized in that: The box body (803) has a partition (10) fixed in the middle of its interior. The partition (10) has an integral mounting hole (11) at its lower interior end. The mounting hole (11) is a through hole.

4. The plastic processing waste gas treatment equipment according to claim 1, characterized in that: The box (803) has several detachable second activated carbon filter layers (12) arranged on the left side inside and from top to bottom. The front end of the top left side of the box (803) is hinged and the rear end is provided with a cover plate (13) by a latch.

5. The plastic processing waste gas treatment equipment according to claim 1, characterized in that: A second water pump (14) is fixedly installed on the left side of the outer wall of the box (803). An installation pipe (15) is fixedly installed on the outer wall of the second water pump (14). One end of the installation pipe (15) away from the second water pump (14) is fixedly inserted through the lower rear end of the outer shell (1), and a filter screen (16) is fixedly installed inside the installation pipe (15).

6. The plastic processing waste gas treatment equipment according to claim 1, characterized in that: A one-way valve (17) is fixed inside the connecting pipe (2), and a sealing plate (18) is provided on the left side of the outer front end of the housing (1) by a hinge and on the right side by a latch.

7. The plastic processing waste gas treatment equipment according to claim 1, characterized in that: A cleaning assembly is installed inside the upper part of the housing (1). The cleaning assembly can clean the impurities adhering to the surface of the first activated carbon filter layer (6). The cleaning assembly includes: Rotate the rotating rod (19) located at the upper end inside the housing (1). Scraper (20) fixed to the outer wall of the rotating rod (19); A motor (21) is fixedly connected to the left side of the outer wall of the housing (1), and the output end of the motor (21) is fixedly connected to the rotating rod (19).

8. The plastic processing waste gas treatment equipment according to claim 7, characterized in that: The rotating rod (19) and the mounting plate (3) are designed in parallel, and the side of the scraper (20) away from the housing (1) is in contact with the inner side of the first activated carbon filter layer (6).

9. The plastic processing waste gas treatment equipment according to claim 1, characterized in that: A controller (22) is fixedly mounted on the outer wall of the housing (1). The controller (22) is connected to the first water pump (804), the second water pump (14) and the motor (21) via wires.

10. The plastic processing waste gas treatment equipment according to claim 1, characterized in that: The upper end of the cylinder (901) is provided with a second baffle (23). The second baffle (23) is designed to be non-contact with the cylinder (901) and is fixedly connected to the shell (1).