A printing exhaust gas treatment device

Abstract

The utility model discloses a kind of printing waste gas treatment devices, it is related to waste gas treatment technical field, including butt joint structure, mounting structure, transmission structure, cleaning structure and filter structure.Butt joint structure is used to access printing waste gas and transmission to mounting structure, filter structure is equipped in mounting structure, its top end is connected transmission structure, transmission structure is matched and equipped with cleaning structure.Transmission structure is driven winding wheel by motor and receives and releases transmission rope, drives transmission block to move linearly along guide rod, transmission block is driven air guide pipe synchronous movement of cleaning structure by magnetic coupling effect;Air guide pipe of cleaning structure is communicated sandblasting head, access high-pressure gas mixed with cleaning sand by telescopic pipe, the filter screen of filter structure is cleaned by directional sandblasting, while the negative pressure pipe orifice of mounting structure bottom connects negative pressure extraction device, and the impurities generated by cleaning are promptly extracted outside device.The device can realize the automatic cleaning of filter screen, effectively solve filter screen blockage problem, improve waste gas filtration efficiency.

Description

Technical Field

[0001] This utility model relates to the field of waste gas treatment technology, and more specifically, to a printing waste gas treatment device. Background Technology

[0002] During the printing industry's production process, processes such as ink evaporation and paper cutting generate waste gas containing a large amount of particulate matter (such as ink particles and dust). If this waste gas is directly emitted into the atmosphere, it will not only cause air pollution but may also harm human health. Therefore, it is necessary to use specialized treatment equipment to purify the particulate matter in the waste gas to meet environmental emission standards and air quality requirements in the production workshop.

[0003] The core component of existing printing exhaust gas filtration devices is the filter screen. During long-term use, a large amount of trapped particulate matter easily accumulates on its surface, causing blockage of the filter screen pores and reducing exhaust gas flow efficiency and filtration effect. Traditional solutions often rely on manual periodic disassembly and cleaning or direct replacement of the filter screen, which is not only cumbersome and costly to maintain, but also requires downtime, affecting production continuity. Some mechanical cleaning structures use contact scraping or hard particle sandblasting, which may damage the filter screen substrate, shorten the filter screen's lifespan, and easily generate secondary dust pollution during the cleaning process. Utility Model Content

[0004] In view of the problems in the related technologies, this utility model proposes a printing waste gas treatment device to overcome the above-mentioned technical problems existing in the existing related technologies.

[0005] Therefore, the specific technical solution adopted by this utility model is as follows:

[0006] A printing exhaust gas treatment device includes a docking structure, which includes a docking cover and a docking pipe. One side of the docking cover is connected to the docking pipe, and the other side of the docking cover is connected to an installation structure. The top of the installation structure is connected to a transmission structure, and the transmission structure is matched with a cleaning structure. A filter structure is installed inside the installation structure. The transmission structure, in conjunction with the cleaning structure, performs the function of cleaning the filter screen of the filter structure.

[0007] Furthermore, the installation structure includes a connecting pipe, a magnetic plate, a negative pressure port, a transmission port, and a fixing frame. The connecting pipe has an installation groove, in which the magnetic plate is installed. The bottom end of the connecting pipe has a negative pressure port, which is connected to a negative pressure extraction device. Transmission ports are located on both sides of the connecting pipe. The connecting pipes are fixedly connected to each other, and the ports of the connecting pipes are sealed and connected to the docking cover.

[0008] Furthermore, the transmission structure includes a take-up reel, a motor, a transmission rope, a transmission block, a first coupling block, and guide rods. The motor is connected to one side of the take-up reel, and the drive end of the motor is connected to the take-up reel. The take-up reel is hinged to a fixed frame, and the motor is fixedly mounted on the fixed frame. The transmission rope is wound around the take-up reel, and the transmission rope passes through the transmission block. The first coupling block is fixedly connected to the bottom end of the transmission block, and guide rods are slidably connected to both sides of the transmission block. The guide rods are fixedly mounted between the fixed frames.

[0009] Furthermore, the cleaning structure includes an air duct, a sandblasting head, a second coupling block, a sliding block, a telescopic tube, and a guide rail. The sandblasting head is connected to the body of the air duct, and the second coupling block is fixedly connected to the top of the air duct. The second coupling block is magnetically coupled to the first coupling block. The sliding block is fixedly connected to the air duct, and the guide rail is slidably connected to the sliding block. The bottom end of the magnetic plate is fixedly installed on the guide rail. Telescopic tubes are connected to both ends of the air duct, and the telescopic tubes are slidably installed on the transmission pipe openings.

[0010] Furthermore, the filter structure includes a mounting frame, a filter screen, and fitting mounting blocks. The filter screen is fixedly installed inside the mounting frame, with the screen surface facing the nozzle of the sandblasting head. Fitting mounting blocks are fixedly connected to both ends of the mounting frame, and the mounting frame is fitted into the connecting pipe through the fitting mounting blocks.

[0011] The beneficial effects of this utility model are as follows:

[0012] 1. Through the synergistic effect of the transmission structure and the cleaning structure, the cleaning operation can be completed without manual disassembly of the filter screen, reducing manual operation and downtime, lowering maintenance costs, and ensuring production continuity;

[0013] 2. Dry ice is used as the sandblasting material. The dry ice particles are soft and sublime instantly upon impact, leaving no solid impurities and avoiding wear on the filter substrate. Combined with a negative pressure extraction device, impurities generated during cleaning can be discharged in a timely manner to prevent secondary dust pollution and ensure the cleanliness of the treated exhaust gas.

[0014] 3. The transmission structure achieves non-contact power transmission through magnetic coupling, avoiding interference from mechanical connections to the exhaust gas passage and ensuring smooth transmission; the cleaning structure moves directionally along the guide rail, which can fully cover the filter screen for cleaning, effectively preventing local blockage, extending the service life of the filter screen, and ensuring long-term stable filtration efficiency. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in 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.

[0016] Figure 1 This is a schematic diagram of the main structure of a printing waste gas treatment device according to an embodiment of the present utility model;

[0017] Figure 2 This is a schematic diagram of the installation structure of a printing waste gas treatment device according to an embodiment of the present utility model;

[0018] Figure 3 This is a cross-sectional view of the installation structure of a printing waste gas treatment device according to an embodiment of the present utility model;

[0019] Figure 4 This is a schematic diagram of the transmission structure of a printing waste gas treatment device according to an embodiment of the present utility model;

[0020] Figure 5 This is a schematic diagram of the cleaning structure of a printing waste gas treatment device according to an embodiment of the present utility model;

[0021] Figure 6 This is a schematic diagram of the filter structure of a printing waste gas treatment device according to an embodiment of the present utility model.

[0022] In the picture:

[0023] 1. Docking structure; 101. Docking cover; 102. Docking pipe port; 2. Installation structure; 201. Connecting pipe; 202. Magnetic plate; 203. Negative pressure port; 204. Transmission port; 205. Fixing frame; 3. Transmission structure; 301. Rewinding wheel; 302. Motor; 303. Transmission rope; 304. Transmission block; 305. First coupling block; 306. Guide rod; 4. Cleaning structure; 401. Air guide pipe; 402. Sandblasting head; 403. Second coupling block; 404. Sliding block; 405. Telescopic pipe; 406. Guide rail; 5. Filter structure; 501. Mounting frame; 502. Filter screen; 503. Fitting mounting block. Detailed Implementation

[0024] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] According to an embodiment of the present invention, a printing waste gas treatment device is provided.

[0026] like Figure 1-6As shown, the printing exhaust gas treatment device according to an embodiment of the present utility model includes a docking structure 1. The docking structure 1 includes a docking cover 101 and a docking port 102. One side of the docking cover 101 is connected to the docking port 102, and the other side of the docking cover 101 is connected to an installation structure 2. The top of the installation structure 2 is connected to a transmission structure 3. The transmission structure 3 is matched with a cleaning structure 4. A filter structure 5 is installed inside the installation structure 2. The transmission structure 3 cooperates with the cleaning structure 4 to achieve the function of cleaning the filter screen of the filter structure 5.

[0027] The docking structure 1 serves as the core for the introduction and initial guidance of waste gas in the printing waste gas treatment device. Its components, docking cover 101 and docking port 102, work together to achieve stable access and transmission of waste gas. The docking port 102 is directly connected to the source of printing waste gas and is responsible for introducing the waste gas to be treated into the device. The docking cover 101 is sealed to the connecting pipe 201 of the installation structure 2 on the other side, forming a closed channel for waste gas from the source to the main treatment body, effectively preventing waste gas leakage and ensuring the high efficiency of subsequent filtration and treatment processes. The key function of this structure is to establish the initial connection path for waste gas treatment, provide a stable waste gas input for the installation structure 2, and is a prerequisite for the entire device to realize its waste gas treatment function.

[0028] The installation structure 2 includes a connecting pipe 201, a magnetic plate 202, a negative pressure port 203, a transmission port 204, and a fixing frame 205. The connecting pipe 201 has an installation groove, and the magnetic plate 202 is installed in the installation groove. The bottom end of the connecting pipe 201 has a negative pressure port 203, which is connected to a negative pressure extraction device. The two sides of the connecting pipe 201 have transmission ports 204. The fixing frame 205 is fixedly connected between the connecting pipes 201. The port of the connecting pipe 201 is sealed and connected to the docking cover 101.

[0029] The mounting structure 2 serves as the main load-bearing and functional integration framework for the entire device, undertaking multiple core functions such as waste gas flow, structural installation, negative pressure environment construction, and transmission channel provision. The connecting pipe 201, as the main channel for waste gas treatment, has its port sealed to the docking cover 101 of the docking structure 1, ensuring the directional flow of waste gas through the internal filter structure 5. The magnetic plate 202, installed in the mounting groove of the connecting pipe 201, provides a physical medium for the magnetic coupling between the first coupling block 305 of the transmission structure 3 and the second coupling block 403 of the cleaning structure 4 due to its magnetic permeability, ensuring the stability of non-contact power transmission. The negative pressure port 203 connects to the negative pressure extraction device. By drawing air from the connecting pipe 201 to create a negative pressure environment, the flow rate of exhaust gas through the filter structure 5 is accelerated, improving filtration efficiency. Furthermore, when the cleaning structure 4 cleans the filter structure 5, the sprayed impurities can be promptly extracted from the connecting pipe 201, preventing secondary pollution. The transmission pipe 204 provides a sliding channel for the telescopic pipe 405 of the cleaning structure 4, ensuring the continuity of the air pipe connection during the movement of the cleaning structure. The fixed frame 205 fixes each connecting pipe 201 and provides installation support for the winding wheel 301, motor 302, and guide rod 306 of the transmission structure 3, achieving stable assembly of each structure. This structure achieves multi-component collaboration.

[0030] The transmission structure 3 includes a take-up reel 301, a motor 302, a transmission rope 303, a transmission block 304, a first coupling block 305, and a guide rod 306. The motor 302 is connected to one side of the take-up reel 301, and the drive end of the motor 302 is connected to the take-up reel 301. The take-up reel 301 is hinged to the fixed frame 205. The motor 302 is fixedly installed on the fixed frame 205. The transmission rope 303 is wound around the take-up reel 301, and the transmission rope 303 passes through the transmission block 304. The first coupling block 305 is fixedly connected to the bottom end of the transmission block 304. The guide rod 306 is slidably connected to both sides of the transmission block 304 and is fixedly installed between the fixed frames 205.

[0031] The transmission structure 3 serves as the core power drive for the sweeping structure 4, providing directional movement power to the sweeping structure 4 through a combination of mechanical transmission and magnetic coupling. The motor 302 is fixed to the mounting frame 205, and its drive end is directly connected to the winding reel 301. By controlling the forward and reverse rotation of the motor 302, the winding reel 301 can perform the winding and unwinding operations on the transmission rope 303. The transmission rope 303 passes through the transmission block 304, and under the winding and unwinding action of the winding reel 301, it drives the transmission block 304 to perform linear reciprocating motion along the guide rod 306. The fixed installation of the guide rod 306 ensures the movement of the transmission block 304. The stability of the trajectory is ensured to avoid deviation. The first coupling block 305, fixed at the bottom of the transmission block 304, forms a magnetic coupling with the second coupling block 403 of the cleaning structure 4, converting the mechanical movement of the transmission block 304 into a non-contact driving force for the cleaning structure 4. This design avoids interference of mechanical connection with the exhaust gas channel and simplifies the structural layout. The key function of this structure is to convert the rotational motion of the motor 302 into the linear motion required by the cleaning structure 4, and to achieve power transmission across the medium through magnetic coupling, providing precise movement control for the cleaning structure 4 to clean the filter screen of the filter structure 5.

[0032] The cleaning structure 4 includes an air duct 401, a sandblasting head 402, a second coupling block 403, a sliding block 404, a telescopic tube 405, and a guide rail 406. The sandblasting head 402 is connected to the body of the air duct 401. The second coupling block 403 is fixedly connected to the top of the body of the air duct 401. The second coupling block 403 is magnetically coupled to the first coupling block 305. The sliding block 404 is fixedly connected to the air duct 401. The guide rail 406 is slidably connected to the sliding block 404. The bottom end of the magnetic plate 202 is fixedly installed on the guide rail 406. The telescopic tubes 405 are connected to both ends of the air duct 401. The telescopic tubes 405 are slidably installed on the transmission port 204.

[0033] The cleaning structure 4 is the core component for cleaning the filter screen of the filter structure 5. It consists of an air guide pipe 401, a sandblasting head 402, a second coupling block 403, a sliding block 404, a telescopic pipe 405, and a guide rail 406. Through a combination of high-pressure sandblasting and mobile cleaning, it efficiently removes clogging impurities from the filter screen surface. The air guide pipe 401 serves as a transmission channel for high-pressure sand-laden gas. The sandblasting head 402, connected to the air guide pipe, is directly facing the filter screen 502 of the filter structure 5, allowing the high-pressure sand-laden gas to be directionally sprayed onto the filter screen surface, using the impact force of the sand particles to peel off the attached particulate matter. The second coupling block 403 at the top of the air guide pipe 401 is magnetically coupled to the first coupling block 305 of the transmission structure 3, enabling transmission... Driven by structure 3, the air duct 401 moves as a whole. The sliding cooperation between the sliding block 404 and the guide rail 406 further ensures the stability of the air duct 401 during movement and avoids the sandblasting position from shifting. The telescopic pipes 405 connected to both ends of the air duct 401 are inserted into the transmission port 204 of the installation structure 2 and can extend and retract with the movement of the air duct 401 to ensure a continuous supply of high-pressure sand-containing gas and prevent the air pipe from tangling or breaking. This structure, through power linkage with the transmission structure 3, achieves full-coverage sandblasting cleaning of the filter screen 502. In conjunction with the negative pressure port 203 of the installation structure 2, the sprayed impurities are extracted in time, effectively restoring the filtration performance of the filter screen and extending its service life.

[0034] The filter structure 5 includes a mounting frame 501, a filter screen 502, and a fitting mounting block 503. The filter screen 502 is fixedly installed inside the mounting frame 501, with the screen surface of the filter screen 502 facing the nozzle of the sandblasting head 402. The fitting mounting blocks 503 are fixedly connected to both ends of the mounting frame 501, and the mounting frame 501 is fitted into the connecting pipe 201 through the fitting mounting blocks 503.

[0035] The filter structure 5 is the core functional component for filtering particulate matter in printing exhaust gas. It consists of a mounting frame 501, a filter screen 502, and fitting mounting blocks 503. It removes pollutants from the exhaust gas through physical interception. The mounting frame 501 provides a rigid support frame for the filter screen 502. The fitting mounting blocks 503 at both ends are adapted to the inner wall of the connecting pipe 201 of the mounting structure 2, which can quickly complete the installation and fixation of the filter structure 5, facilitating later maintenance and replacement. As the core of the filter, the filter screen 502 faces the sandblasting head 402 of the cleaning structure 4, ensuring that the sandblasting can accurately cover the surface of the filter screen during cleaning. At the same time, different mesh sizes of the filter screen 502 can be set according to the treatment requirements to achieve graded filtration of particles of different sizes and improve the accuracy of exhaust gas treatment. The key function of this structure is to separate the particulate matter in the exhaust gas through the physical interception of the filter screen 502, providing clean gas for subsequent emission or further treatment. The design of the fitting mounting blocks 503 simplifies the installation and replacement process of the filter screen and improves the ease of maintenance of the device.

[0036] To facilitate understanding of the above-mentioned technical solutions of this utility model, the working principle or operation method of this utility model in actual process will be described in detail below.

[0037] The docking cover 101 is installed at both ends of the connecting pipe 201. The docking cover 101 and the docking pipe 102 are provided with two sets of inlet and outlet ports, respectively. The docking pipe 102 of the inlet port is connected to the printing exhaust gas inlet device. The introduced exhaust gas passes through the inclined filter screen 502 under the guidance of the airflow. Multiple sets of filter screens 502 can filter particles of different sizes according to the mesh size setting, so as to achieve the effect of graded filtration. When there are too many impurities filtered on the filter screen 502, the filter screen 502 can be sandblasted and cleaned by the transmission structure 3 in conjunction with the cleaning structure 4, so as to clean the filtered material on the filter screen. The two motors 302 of the transmission structure 3 control two winding wheels 301 respectively. Through the synergistic action of the two winding wheels 301, multiple sets of transmission blocks 304 can be pulled simultaneously by the transmission rope 303. 4. Under the guidance of the guide rod 306, the first coupling block 305 drives the second coupling block 403 to perform transmission. The second coupling block 403 then drives the air guide pipe 401 to perform linear transmission under the guidance of the sliding block 404 and the guide rail 406. The telescopic pipes 405 connected to both ends of the air guide pipe 401 are connected to the high-pressure gas device mixed with cleaning sand, thereby introducing high-pressure sand-containing gas, which is sprayed onto the filter screen 502 through the sandblasting head 402 to clean the filter material on the filter screen 502. At the same time, the negative pressure extraction device of the connecting negative pressure pipe port 203 is opened to discharge the sprayed filter material out of the connecting pipe 201, thus completing the cleaning of the filter screen 502. The sandblasting material used in this utility model is mainly dry ice. Dry ice particles are very soft and will sublimate instantly after impact, leaving no secondary residue and not damaging the filter material substrate, thus embodying the concept of green printing.

[0038] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A printing waste gas treatment device, characterized in that, The assembly includes a docking structure (1), which includes a docking cover (101) and a docking port (102). One side of the docking cover (101) is connected to the docking port (102), and the other side of the docking cover (101) is connected to an installation structure (2). The top of the installation structure (2) is connected to a transmission structure (3), and the transmission structure (3) is matched with a cleaning structure (4). A filter structure (5) is installed inside the installation structure (2). The transmission structure (3) works with the cleaning structure (4) to achieve the function of cleaning the filter screen of the filter structure (5).

2. The printing waste gas treatment device according to claim 1, characterized in that, The installation structure (2) includes a connecting pipe (201), a magnetic plate (202), a negative pressure port (203), a transmission port (204), and a fixing frame (205). The connecting pipe (201) has an installation groove, and the magnetic plate (202) is installed in the installation groove. The bottom end of the connecting pipe (201) has a negative pressure port (203).

3. The printing waste gas treatment device according to claim 2, characterized in that, The negative pressure port (203) is connected to a negative pressure extraction device. The two sides of the connecting pipe (201) are provided with transmission ports (204). The connecting pipes (201) are fixedly connected with a fixing frame (205). The port of the connecting pipe (201) is sealed and connected with the docking cover (101).

4. The printing waste gas treatment device according to claim 3, characterized in that, The transmission structure (3) includes a winding wheel (301), a motor (302), a transmission rope (303), a transmission block (304), a first coupling block (305), and a guide rod (306). The motor (302) is connected to one side of the winding wheel (301). The driving end of the motor (302) is connected to the winding wheel (301). The winding wheel (301) is hinged on the fixed frame (205). The motor (302) is fixedly installed on the fixed frame (205).

5. The printing waste gas treatment device according to claim 4, characterized in that, A drive rope (303) is wound around the winding reel (301), and a drive block (304) is threaded through the drive rope (303). A first coupling block (305) is fixedly connected to the bottom end of the drive block (304). Guide rods (306) are slidably connected to both sides of the drive block (304), and the guide rods (306) are fixedly installed between the fixed frame (205).

6. The printing waste gas treatment device according to claim 5, characterized in that, The cleaning structure (4) includes an air duct (401), a sandblasting head (402), a second coupling block (403), a sliding block (404), a telescopic tube (405), and a guide rail (406). The sandblasting head (402) is connected to the body of the air duct (401). The second coupling block (403) is fixedly connected to the top of the body of the air duct (401). The second coupling block (403) is magnetically coupled to the first coupling block (305). The sliding block (404) is fixedly connected to the air duct (401).

7. The printing waste gas treatment device according to claim 6, characterized in that, The sliding block (404) is slidably connected to the guide rail (406), the bottom end of the magnetic plate (202) is fixedly installed on the guide rail (406), and the two ends of the air duct (401) are connected to the telescopic tube (405), which is slidably installed on the transmission pipe port (204).

8. The printing waste gas treatment device according to claim 7, characterized in that, The filter structure (5) includes a mounting frame (501), a filter screen (502), and a fitting mounting block (503). The filter screen (502) is fixedly installed inside the mounting frame (501). The mesh surface of the filter screen (502) faces the nozzle of the sandblasting head (402). The fitting mounting blocks (503) are fixedly connected to both ends of the mounting frame (501). The mounting frame (501) is fitted into the connecting pipe (201) through the fitting mounting blocks (503).

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