A waste gas treatment device for a catalytic degreasing furnace

Abstract

The utility model discloses a waste gas treatment device for catalytic defatting furnace, including the waste gas treatment box both ends respectively through fixed with the air inlet and the gas outlet, the inside fixed with the flue dust filter screen of waste gas treatment box, the bottom fixed with the discharge bin of waste gas treatment box, the bottom of waste gas treatment box is provided with the ash outlet, the flue dust filter screen center position department fixed mounting has the servo motor, and the servo motor output end rotation penetrates to the flue dust filter screen bottom surface fixed with the rotating rod, and the outer surface symmetry of rotating rod is fixed with the scraper, and the scraper top surface and the flue dust filter screen bottom surface slide and fit, are used for scraping the flue dust that filters out on the surface of flue dust filter screen, avoid the flue dust filter screen block, solved the waste gas treatment device of current catalytic defatting furnace when using the problem of the reduced filtration efficiency of easy because of flue dust blockage, guaranteed the processing efficiency of filter device.

Description

Technical Field

[0001] This utility model application relates to the technical field of waste gas treatment devices, specifically a waste gas treatment device for a catalytic degreasing furnace. Background Technology

[0002] A catalytic debinding furnace is an industrial device specifically designed for removing binders in metal injection molding and ceramic powder molding processes. Its core function is to efficiently decompose binders through chemical catalysis and achieve environmentally friendly emissions. It is suitable for the large-scale production of metal (such as stainless steel) and ceramic (such as zirconium oxide and alumina) powder injection molded parts.

[0003] A degreasing furnace typically consists of a furnace body, a combustion system, a control system, and an exhaust gas treatment system. The exhaust gas generated during operation mainly includes smoke, organic matter, and some inorganic gases. To prevent exhaust gas from polluting the air, the exhaust gas treatment system of the degreasing furnace will purify the exhaust gas. A common problem with current treatment devices is that the smoke and dust can easily clog the filter screen after being filtered and retained, thus reducing the subsequent filtration efficiency. Summary of the Invention

[0004] In order to solve the problem that the filtration efficiency of existing exhaust gas treatment devices for catalytic degreasing furnaces is easily reduced due to smoke and dust blockage during use, this utility model provides an exhaust gas treatment device for catalytic degreasing furnaces to solve the above-mentioned problems.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A waste gas treatment device for a catalytic degreasing furnace includes a waste gas treatment box with an inlet and an outlet fixedly connected at both ends. A dust filter is fixed inside the waste gas treatment box, and a discharge box is fixed at the bottom of the waste gas treatment box below the dust filter. A ash discharge port is opened at the bottom of the waste gas treatment box on the top surface of the discharge box. A servo motor is fixedly installed at the center of the dust filter. The output end of the servo motor rotates through to a rotating rod fixed to the bottom surface of the dust filter. Scrapers are symmetrically fixed on the outer surface of the rotating rod. The top surface of the scrapers slides against the bottom surface of the dust filter to scrape off the dust filtered from the surface of the dust filter.

[0006] Furthermore, a dust collection box is slidably fitted inside the discharge box, and a sealing plate is slidably fitted inside the discharge box on the top surface of the dust collection box. Both the dust collection box and the sealing plate have handles fixed to their outer surfaces.

[0007] Furthermore, fixed sleeves are fixed on both sides of the exhaust gas treatment box of the dust collection box. Limiting rods are slidably inserted inside the two fixed sleeves. Movable plates are fixed on the limiting rods inside the two fixed sleeves. Springs are sleeved on the limiting rods on the bottom surface of the movable plates. The two ends of the springs are fixed to the movable plates and the fixed sleeves respectively. The end of the limiting rod extending above the fixed sleeve is slidably inserted into the locking plate. The two locking plates are fixed on the side wall of the dust collection box.

[0008] Furthermore, the dust filter is configured to be inclined towards the air inlet, one end of the ash discharge port is aligned with the bottom of the dust filter, and the length of the ash discharge port is equal to the length of the dust filter.

[0009] Furthermore, sealing plates are fixed at both ends of the sealing plate, and limiting grooves that cooperate with limiting rods are opened at both ends of the bottom surface of the sealing plate to limit the sealing plate.

[0010] Furthermore, each of the locking plates has a through hole inside for cooperating with the limiting rod, and each of the limiting rods is configured as an inverted T-shape.

[0011] Compared with the prior art, the beneficial effects of this utility model are: 1. In this utility model, the inclined dust filter first filters out the dust in the exhaust gas during the treatment of exhaust gas, and the dust falls into the dust collection box under the scraping of the scraper, thus avoiding the dust filter from clogging. This solves the problem that the existing exhaust gas treatment device of the catalytic degreasing furnace is prone to reduced filtration efficiency due to dust clogging during use, and ensures the treatment efficiency of the filtration device.

[0012] 2. In this utility model, the dust collection box is designed to be removable, and a pull-out sealing plate is used to block the ash discharge port when cleaning the dust in the dust collection box, so as to avoid affecting the normal operation of the exhaust gas treatment box and ensure the treatment efficiency. After cleaning, the dust collection box is put back into the exhaust gas treatment box, and the ash discharge port can be opened by pulling the sealing plate to continue collecting dust. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the structure of a waste gas treatment device according to an embodiment of this application; Figure 2 yes Figure 1 The diagram shows a partial front cross-sectional view of the waste gas treatment device in the embodiment shown. Figure 3 yes Figure 1 A bottom view of a partial structure of the waste gas treatment device in the illustrated embodiment. Figure 4 yes Figure 1 A partial cross-sectional view of the waste gas treatment device in the illustrated embodiment.

[0015] The meanings of the labels in the attached diagram are as follows: 1. Exhaust gas treatment box; 2. Air inlet; 3. Air outlet; 4. Dust filter screen; 5. Ash discharge port; 6. Discharge box; 7. Servo motor; 8. Rotating rod; 9. Scraper; 10. Dust collection box; 11. Sealing plate; 12. Fixing sleeve; 13. Limiting rod; 14. Moving plate; 15. Spring; 16. Limiting groove; 17. Locking plate. Detailed Implementation

[0016] To make the purpose, features, and advantages of this application more apparent and understandable, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below are only some embodiments of this application, and not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0017] Reference Figure 1 , Figure 2 and Figure 4 A waste gas treatment device for a catalytic degreasing furnace includes a waste gas treatment box 1. An inlet 2 and an outlet 3 are fixedly connected to both ends of the waste gas treatment box 1. A dust filter 4 is fixed inside the waste gas treatment box 1, and the dust filter 4 is inclined towards the inlet 2. One end of a ash discharge port 5 is aligned with the bottom of the dust filter 4, and the length of the ash discharge port 5 is equal to the length of the dust filter 4. A discharge box 6 is fixed to the bottom of the waste gas treatment box 1 below the dust filter 4. The bottom of the waste gas treatment box 1 on the top surface of the discharge box 6 has an ash discharge port 5. A servo motor 7 is fixedly installed at the center of the dust filter 4. The output end of the servo motor 7 rotates through to a rotating rod 8 fixed to the bottom surface of the dust filter 4. Scrapers 9 are symmetrically fixed to the outer surface of the rotating rod 8. The top surface of the scraper 9 slides against the bottom surface of the dust filter 4 to scrape off the dust filtered from the surface of the dust filter 4.

[0018] In this embodiment, a dust collection box 10 is slidably sleeved inside the discharge box 6, and a sealing plate 11 is slidably sleeved inside the discharge box 6 on the top surface of the dust collection box 10. Both the dust collection box 10 and the sealing plate 11 have handles fixed on their outer surfaces. Both ends of the sealing plate 11 have sealing plates fixed on them. Both ends of the bottom surface of the sealing plate 11 have limiting grooves 16 that cooperate with the limiting rod 13 to limit the sealing plate 11.

[0019] Specifically, during exhaust gas treatment, the servo motor 7 is turned on, causing the servo motor 7 to drive the scraper 9 to rotate on the surface of the dust filter screen 4 via the rotating rod 8. The exhaust gas enters the exhaust gas treatment box 1 through the air inlet 2. When passing through the dust filter screen 4, the dust in the exhaust gas is filtered out. Under the tilting design of the dust filter screen 4 and the scraping action of the scraper 9, the dust is scraped into the dust collection box 10, thereby achieving dust collection and cleaning of the dust filter screen 4.

[0020] As an optimization solution, such as Figure 3 and Figure 4 As shown, fixed sleeves 12 are fixed on both sides of the exhaust gas treatment box 10. Limiting rods 13 are slidably inserted inside the two fixed sleeves 12. Moving plates 14 are fixed on the limiting rods 13 inside the two fixed sleeves 12. Springs 15 are sleeved on the limiting rods 13 on the bottom surface of the moving plates 14. The two ends of the springs 15 are fixed on the moving plates 14 and the fixed sleeves 12 respectively. The end of the limiting rods 13 extending above the fixed sleeves 12 is slidably inserted into the locking plates 17. The two locking plates 17 are fixed on the side wall of the dust collection box 10. Each locking plate 17 has a through hole that cooperates with the limiting rods 13. Each limiting rod 13 is set as an inverted T-shape to facilitate pulling the limiting rods 13.

[0021] Specifically, when it is necessary to clean the soot, pull down the limiting rods 13 on both sides, causing the limiting rods 13 to drive the moving plate 14 to compress the spring 15 and move down until the limiting rods 13 move out of the locking plate 17 and the limiting groove 16. At this time, the limiting rods 13 release the restriction on the dust collection box 10 and the sealing plate 11. First, push the sealing plate 11 into the discharge box 6 to seal the ash discharge port 5. Then, pull the dust collection box 10 outward to pull the dust collection box 10 outward. Release the limiting rod 13, so that the limiting rod 13 is inserted into the other limiting groove 16 of the sealing plate 11 under the push of the spring 15, fix the sealing plate 11 again, pour out the soot inside the dust collection box 10, and then pull the limiting rod 13 down again to insert the dust collection box 10 into the discharge box 6, pull out the sealing plate 11, release the limiting rod 13, so that the limiting rod 13 is inserted into the locking plate 17 and the limiting groove 16.

[0022] It will be apparent to those skilled in the art that this application is not limited to the details of the exemplary embodiments described above, and that this application can be implemented in other specific forms without departing from the spirit or essential characteristics of this application. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this application is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of the equivalent elements of the claims are intended to be included within this application. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0023] The above-described embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. An exhaust gas treatment device for a catalytic degreasing furnace, characterized by: The system includes an exhaust gas treatment box (1), with an air inlet (2) and an air outlet (3) fixed at both ends. A dust filter (4) is fixed inside the exhaust gas treatment box (1). A discharge box (6) is fixed at the bottom of the exhaust gas treatment box (1) below the dust filter (4). A ash discharge port (5) is opened at the bottom of the exhaust gas treatment box (1) on the top surface of the discharge box (6). A servo motor (7) is fixedly installed at the center of the dust filter (4). A rotating rod (8) is fixed to the bottom surface of the dust filter (4) through the output end of the servo motor (7). A scraper (9) is symmetrically fixed on the outer surface of the rotating rod (8). The top surface of the scraper (9) slides against the bottom surface of the dust filter (4) to scrape off the dust filtered from the surface of the dust filter (4).

2. The exhaust gas treatment device for a catalytic degreasing furnace according to claim 1, characterized by: The discharge box (6) is slidably fitted with a dust collection box (10), and a sealing plate (11) is slidably fitted inside the discharge box (6) on the top surface of the dust collection box (10). Both the dust collection box (10) and the sealing plate (11) have handles fixed on their outer surfaces.

3. The exhaust gas treatment device for a catalytic degreasing furnace according to claim 2, characterized by: Fixed sleeves (12) are fixed on both sides of the exhaust gas treatment box (1) of the dust collection box (10). Limiting rods (13) are slidably inserted inside the two fixed sleeves (12). Moving plates (14) are fixed on the limiting rods (13) inside the two fixed sleeves (12). Springs (15) are sleeved on the limiting rods (13) on the bottom surface of the moving plate (14). The two ends of the springs (15) are fixed on the moving plate (14) and the fixed sleeves (12) respectively. The end of the limiting rods (13) extending above the fixed sleeves (12) is slidably inserted into the locking plate (17). The two locking plates (17) are fixed on the side wall of the dust collection box (10).

4. The exhaust gas treatment device for a catalytic degreasing furnace according to claim 1, characterized by: The dust filter (4) is set to be inclined towards the air inlet (2), and one end of the ash discharge port (5) is aligned with the bottom of the dust filter (4). The length of the ash discharge port (5) is equal to the length of the dust filter (4).

5. The exhaust gas treatment device for a catalytic degreasing furnace according to claim 2, characterized by: Both ends of the sealing plate (11) are fixed with sealing plates, and both ends of the bottom surface of the sealing plate (11) are provided with limiting grooves (16) that cooperate with the limiting rod (13) to limit the sealing plate (11).

6. The exhaust gas treatment device for a catalytic degreasing furnace according to claim 3, characterized by: Each of the locking plates (17) has a through hole for cooperating with the limiting rod (13), and each of the limiting rods (13) is configured as an inverted T-shape.

Images