Tail gas collecting and treating device for paper container production

By designing a combination of exhaust gas collection hood and honeycomb activated carbon filter, the problem of exhaust gas pollution in paper container production was solved, achieving effective collection and purification of exhaust gas, improving the quality of the working environment and simplifying the filter replacement process.

CN224056926UActive Publication Date: 2026-03-31FUJIAN YIBAILI PACKAGE MATERIAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

The exhaust gases generated during the paper container production process were not effectively collected and treated, resulting in air pollution in the workshop and affecting the comfort of the staff.

Method used

Design an exhaust gas collection hood with a honeycomb activated carbon filter and quick-release protective components. The exhaust gas is drawn in by a fan and filtered in the honeycomb activated carbon filter. The filter can be easily replaced after it becomes saturated. A dustproof plate reduces dust contact.

Benefits of technology

It effectively collects and purifies exhaust gas, reduces workshop pollution, improves the quality of the working environment, simplifies filter replacement, and prevents dust from affecting adsorption performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a tail gas collecting and treating device for paper container production, which belongs to the technical field of paper container production and comprises a lower opening type tail gas collecting cover, a rectangular frame is arranged in the tail gas collecting cover, a honeycomb type activated carbon filter screen is fixedly connected onto the inner side wall of the rectangular frame, and L-shaped inserting plates are fixed on two sides of the bottom of the rectangular frame. Inserting grooves are formed in the two sides of the bottom of the tail gas collecting cover, one end of each L-shaped inserting plate is inserted into the corresponding inserting groove, positioning blocks with positioning holes in the middles are fixedly installed on the two sides of the top of the honeycomb type activated carbon filter screen, and a quick-disassembly type protection assembly used for preventing dust of the honeycomb type activated carbon filter screen is arranged at the bottom of the tail gas collecting cover. According to the tail gas collecting and treating device, the honeycomb type activated carbon filter screen can be replaced conveniently, and when the honeycomb type activated carbon filter screen is not used, contact between the honeycomb type activated carbon filter screen and external dust can be reduced through a dustproof plate.
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Description

Technical Field

[0001] This utility model relates to the field of paper container production technology, and in particular to a waste gas collection and treatment device for paper container production. Background Technology

[0002] Paper containers are paper cups, bowls, boxes, and other paper products made from coated paper through die-cutting, slitting, and then assembled and heat-bonded using a forming machine. They are disposable, convenient paper containers used for holding cold or hot liquids, items, or food. Since their introduction, paper containers have been widely promoted and used both domestically and internationally. Paper containers are visually appealing, easy to use, non-toxic, odorless, environmentally friendly, hygienic, and oil-resistant. The market prospects for paper containers are broad. They are already widely used in commercial, aviation, mid-to-high-end fast food restaurants, beverage parlors, large and medium-sized enterprises, government departments, hotels, and households in various regions.

[0003] During the paper container molding process, certain parts require high-temperature heating, which generates exhaust gases. The original molding equipment lacks an exhaust gas collection and treatment device, allowing these gases to be directly released into the air of the workshop. Since the workshop is designed as a cleanroom, these exhaust gases lingering within it pollute the environment, affecting air quality and causing discomfort to workers. Utility Model Content

[0004] To overcome the design defects of existing molding equipment, this utility model provides a waste gas collection and treatment device for paper container production. The design of the collection cover allows for easy replacement of the honeycomb activated carbon filter. At the same time, when the honeycomb activated carbon filter is not in use, the dustproof plate can reduce contact with external dust.

[0005] The technical solution adopted by this utility model is as follows: It includes a bottom-opening exhaust gas collection hood, with a rectangular frame inside the hood. A honeycomb activated carbon filter is fixedly connected to the inner wall of the rectangular frame. L-shaped inserts are fixed to both sides of the bottom of the rectangular frame. Slots are provided on both sides of the bottom of the exhaust gas collection hood, with one end of each L-shaped insert inserted into the slot. Positioning blocks with positioning holes in the center are fixedly installed on both sides of the top of the honeycomb activated carbon filter. A quick-release protective assembly for dust prevention is provided at the bottom of the exhaust gas collection hood. A positioning assembly for positioning the positioning blocks is provided inside the exhaust gas collection hood. A through hole is opened at the top of the exhaust gas collection hood, and an installation pipe is connected to the through hole. A fan is fixed inside the installation pipe.

[0006] Preferably, in order to block the honeycomb activated carbon filter by the dustproof plate, the quick-release protective assembly includes a dustproof plate located at the bottom of the honeycomb activated carbon filter, and fasteners are fixedly installed on the outer side walls on both sides of the dustproof plate.

[0007] Preferably, in order to enable the latch lock to work in conjunction with the latch hook, latch locks are fixed on the outer side walls of both the front and rear sides of the exhaust gas collection hood, and the movable end of the latch lock is sleeved on the latch hook.

[0008] Preferably, in order to allow the bidirectional lead screw to rotate within the rectangular frame, the positioning assembly includes a rectangular frame fixedly installed on the inner sidewall of the exhaust gas collection hood, with the bidirectional lead screw rotatably connected within the rectangular frame, and one end of the bidirectional lead screw extending to the outside of the rectangular frame.

[0009] Preferably, in order to enable the rotary motor to work in conjunction with the bidirectional lead screw, a rotary motor is fixedly connected to the outer wall of the exhaust gas collection hood, the output shaft of the rotary motor is fixedly connected to one end of the bidirectional lead screw, and a linkage block is threaded to both ends of the bidirectional lead screw.

[0010] Preferably, in order to enable the L-shaped mounting rod to move synchronously with the fixed plate and the stop post when it moves, the linkage block is located inside the rectangular frame, the L-shaped mounting rod is fixedly connected to the outer wall of the linkage block, the bottom of one end of the L-shaped mounting rod is fixedly fixed to the fixed plate, and the stop post is provided on the outer wall of the fixed plate.

[0011] Preferably, in order to prevent the positioning block from shifting by means of the fixing plate and the stop post, the fixing plate is pressed against the positioning block, and the stop post is located in the positioning hole on the positioning block.

[0012] Preferably, in order to discharge the treated exhaust gas through the exhaust pipe, an exhaust pipe is fixed to one end of the mounting pipe by bolts.

[0013] The beneficial effects of this utility model are as follows: By providing a positioning component and a quick-release protective component, the exhaust gas generated during the production and processing of paper containers can be drawn into the exhaust gas collection hood by a fan. When the exhaust gas enters the exhaust gas collection hood, it can be filtered by a honeycomb activated carbon filter. When the honeycomb activated carbon filter is saturated, the positioning component facilitates the disassembly and replacement of the honeycomb activated carbon filter. When the honeycomb activated carbon filter is not in use, the quick-release protective component can reduce its contact with external dust, thereby reducing the reduction of its adsorption performance due to dust. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model.

[0015] Figure 2 This is an exploded structural diagram of the dustproof plate and exhaust gas collection hood in this utility model.

[0016] Figure 3 This is an exploded structural diagram of the honeycomb activated carbon filter and exhaust gas collection hood in this utility model.

[0017] Figure 4 This is a cross-sectional structural diagram of the exhaust gas collection hood in this utility model.

[0018] Figure 5 This is a schematic diagram of the installation of the exhaust fan in this utility model.

[0019] Explanation of reference numerals in the attached drawings: 1. Exhaust gas collection hood; 2. Rectangular frame; 3. Honeycomb activated carbon filter; 4. L-shaped insert plate; 5. Positioning block; 6. Quick-release protective assembly; 601. Dustproof plate; 602. Hook and latch; 603. Hook and latch lock; 7. Positioning assembly; 701. Rectangular frame; 702. Two-way lead screw; 703. Rotating motor; 704. Linkage block; 705. L-shaped mounting rod; 706. Fixing plate; 707. Baffle; 8. Mounting pipe; 9. Exhaust fan; 10. Exhaust pipe. Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings:

[0021] like Figures 1-5 As shown, this embodiment provides a waste gas collection and treatment device for paper container production, including a bottom-opening waste gas collection hood 1. A rectangular frame 2 is provided inside the waste gas collection hood 1. A honeycomb activated carbon filter 3 is fixedly connected to the inner wall of the rectangular frame 2. The rectangular frame 2 and the honeycomb activated carbon filter 3 are integrated, so when the rectangular frame 2 is removed, the honeycomb activated carbon filter 3 can be removed together. L-shaped inserts 4 are fixed to both sides of the bottom of the rectangular frame 2. Slots are provided on both sides of the bottom of the waste gas collection hood 1. One end of the L-shaped insert 4 is inserted into the slot. The L-shaped insert 4 and the slot prevent the honeycomb activated carbon filter 3 from shifting during installation. The top two sides of the activated carbon filter 3 are fixedly installed with positioning blocks 5 having positioning holes in the middle. The bottom of the exhaust gas collection hood 1 is provided with a quick-release protective component 6 for dust prevention of the honeycomb activated carbon filter 3. The inside of the exhaust gas collection hood 1 is provided with a positioning component 7 for positioning the positioning blocks 5. The top of the exhaust gas collection hood 1 is provided with a through hole, and an installation pipe 8 is connected to the through hole. The installation pipe 8 can be installed by opening the through hole. At this time, the installation pipe 8 and the inside of the exhaust gas collection hood 1 are in a communication state. A fan 9 is fixed inside the installation pipe 8. An exhaust pipe 10 is fixed to one end of the installation pipe 8 by bolts. The filtered gas can be discharged through the exhaust pipe 10.

[0022] The quick-release protective assembly 6 includes a dustproof plate 601 located at the bottom of the honeycomb activated carbon filter 3. Hooks 602 are fixedly installed on the outer side walls on both sides of the dustproof plate 601. Hook locks 603 are fixed on the outer side walls on both the front and rear sides of the exhaust gas collection hood 1. The movable end of the hook lock 603 is sleeved on the hook 602. The cooperation between the hook 602 and the hook lock 603 makes the dustproof plate 601 easy and convenient to install. When the exhaust gas collection hood 1 is in use, the dustproof plate 601 can be removed.

[0023] The positioning assembly 7 includes a rectangular frame 701 fixedly mounted on the inner wall of the exhaust gas collection hood 1. A bidirectional lead screw 702 is rotatably connected inside the rectangular frame 701, with one end of the bidirectional lead screw 702 extending to the outside of the rectangular frame 701. A rotary motor 703 is fixedly connected to the outer wall of the exhaust gas collection hood 1. The output shaft of the rotary motor 703 is fixedly connected to one end of the bidirectional lead screw 702. Both ends of the bidirectional lead screw 702 are threaded with linkage blocks 704, which are located inside the rectangular frame 701. An L-shaped mounting rod 705 is fixedly connected to the outer wall of the linkage block 704. A fixing plate 706 is fixed to the bottom of one end of the mounting rod 705. A stop post 707 is provided on the outer wall of the fixing plate 706. The fixing plate 706 is pressed against the positioning block 5, and the stop post 707 is located in the positioning hole on the positioning block 5. Under the action of the fixing plate 706, the positioning block 5 can be squeezed and fixed. Since the stop post 707 is inserted into the positioning hole on the positioning block 5, the stop post 707 can prevent the positioning block 5 from falling. Since the positioning block 5, the rectangular frame 2 and the honeycomb activated carbon filter 3 are integrated, the honeycomb activated carbon filter 3 can be limited together after the positioning block 5 is limited.

[0024] In use, when adsorbing exhaust gas generated during container manufacturing, the user first connects the device above the exhaust gas generator. After the device is fixed, the user operates the exhaust fan 9, which draws the exhaust gas into the exhaust gas collection hood 1. As the exhaust gas enters the collection hood 1 and passes through the honeycomb activated carbon filter 3, pollutants in the exhaust gas are adsorbed by the micropores on the filter 3, thus purifying the exhaust gas. The filtered exhaust gas can then be discharged through the exhaust pipe 10. After the honeycomb activated carbon filter 3 is saturated, the user starts the rotating motor 703, which drives the bidirectional lead screw 702 to rotate in place. Under the limit of 701, the non-rotating linkage block 704 can drive the L-shaped mounting rod 705, the fixing plate 706, and the stop post 707 to move. When the fixing plate 706 and the stop post 707 are away from the positioning block 5, the user can remove the rectangular frame 2 and the honeycomb activated carbon filter 3. The installation is done by reversing the above operation. Installation and disassembly are convenient. When the honeycomb activated carbon filter 3 is not in use, the user can use the fastener 603 and the fastener hook 602 to connect the dustproof plate 601 to the bottom of the honeycomb activated carbon filter 3. Under the action of the dustproof plate 601, the contact between the honeycomb activated carbon filter 3 and external dust is reduced, and the adsorption performance is reduced due to dust.

[0025] The foregoing has shown and described the basic principles and main features of this invention, as well as its advantages. Those skilled in the art should understand that this invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this invention. Various changes and modifications can be made to this invention without departing from its spirit and scope. All such changes and modifications fall within the scope of this invention as defined by the appended claims and their equivalents.

Claims

1. A tail gas collecting and treating device for paper container production, comprising a lower opening type tail gas collecting cover (1), characterized in that: The tail gas collecting cover (1) is provided with a rectangular frame (2), the inner side wall of the rectangular frame (2) is fixedly connected with a honeycomb activated carbon filter screen (3), both sides of the bottom of the rectangular frame (2) are fixedly provided with an L-shaped plug plate (4), both sides of the bottom of the tail gas collecting cover (1) are provided with a plug groove, one end of the L-shaped plug plate (4) is inserted into the plug groove, both sides of the top of the honeycomb activated carbon filter screen (3) are fixedly provided with a positioning block (5) with a positioning hole in the middle, the bottom of the tail gas collecting cover (1) is provided with a quick-release protection assembly (6) for dustproofing of the honeycomb activated carbon filter screen (3), the tail gas collecting cover (1) is internally provided with a positioning assembly (7) for positioning of the positioning block (5), the top of the tail gas collecting cover (1) is provided with a through hole, the through hole is connected with a mounting pipe (8), and the mounting pipe (8) is fixedly provided with an air extractor (9).

2. The tail gas collecting and treating device for paper container production according to claim 1, characterized in that: The quick-release protection assembly (6) comprises a dustproof plate (601) located at the bottom of the honeycomb activated carbon filter screen (3), and the outer side walls of the two sides of the dustproof plate (601) are fixedly provided with a buckle hook (602).

3. The exhaust gas collecting and treating device for paper container production according to claim 2, characterized in that: The outer side walls of the front and rear sides of the tail gas collecting cover (1) are fixedly provided with a buckle lock (603), and the movable end of the buckle lock (603) is sleeved on the buckle hook (602).

4. The tail gas collecting and treating device for paper container production according to claim 1, characterized in that: The positioning assembly (7) comprises a rectangular frame (701) fixedly installed on the inner side wall of the tail gas collecting cover (1), a bidirectional screw rod (702) rotatably connected in the rectangular frame (701), and one end of the bidirectional screw rod (702) extending to the outside of the rectangular frame (701).

5. The exhaust gas collecting and treating device for paper container production according to claim 4, characterized in that: A rotating motor (703) is fixedly connected to the outer side wall of the tail gas collecting cover (1), the output shaft of the rotating motor (703) is fixedly connected with one end of the bidirectional screw rod (702), and the two ends of the bidirectional screw rod (702) are threadedly connected with a linkage block (704).

6. The exhaust gas collecting and treating device for paper container production according to claim 5, characterized in that: The linkage block (704) is located in the rectangular frame (701), an L-shaped mounting rod (705) is fixedly connected to the outer side wall of the linkage block (704), a fixed plate (706) is fixedly arranged at the bottom of one end of the L-shaped mounting rod (705), and a blocking column (707) is arranged on the outer side wall of the fixed plate (706).

7. The exhaust gas collecting and treating device for paper container production according to claim 6, characterized in that: The fixed plate (706) is in abutment with the positioning block (5), and the blocking column (707) is located in the positioning hole in the positioning block (5).

8. The tail gas collecting and treating device for paper container production according to claim 1, characterized in that: A exhaust pipe (10) is fixedly arranged at one end of the mounting pipe (8).