Waste gas collecting hood for silica gel processing

Abstract

The utility model provides a silica gel processing waste gas collecting hood which comprises a gas collecting hood body, a gas guide pipe and a gas inlet, the gas guide pipe is fixedly connected above the gas collecting hood body, the gas inlet is formed below the gas collecting hood body, a gas outlet is formed above the gas guide pipe, the bottom of a rotating rod is fixedly connected with an impeller located at the bottom of the gas inlet, and the rotating rod is fixedly connected with the rotating rod. A dustproof net is arranged in a gas inlet, a gas collecting hood in the prior art and a port of a vulcanizing device are still in an open state, external ash and the like are easily sucked into the gas collecting hood, and the waste gas absorption effect becomes poor when a large amount of ash is sucked into the gas collecting hood. The scraping plate is obliquely arranged, and the bottom of the scraping plate penetrates into the collecting cavity formed in the side wall of the air inlet, so that the scraping plate throws ash in the flow guide groove into the collecting cavity to be collected in the rotating process, and influences caused by the fact that the scraped ash falls from the air inlet are prevented; and therefore, ash cannot be sucked in the waste gas absorption process through the gas guide pipe in the gas collecting hood, and the waste gas absorption effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of silica gel processing, in particular to a waste gas collecting hood for silica gel processing. Background Art

[0002] At present, processed products with silicone as the main raw material are called silicone products. The vulcanization process of silicone products is generally completed on a vulcanization device. The vulcanization device will produce a large amount of waste gas during the vulcanization process. The spread of waste gas to the production workshop will affect the production environment, which is not only environmentally friendly but also has an adverse effect on the occupational health of the workshop workers.

[0003] The Chinese utility model patent with publication number CN209318393U in the prior art relates to a rubber vulcanization waste gas collecting device, including a main pipeline, the main pipeline is connected to the waste gas treatment device through a fan, and a plurality of branch pipelines are also connected to the main pipeline, the main pipeline and the branch pipeline are respectively connected to the vertical pipe, and the vertical pipe is connected to the gas collecting hood through a connection system; the gas collecting hood opens downward and is located on the waste gas emission source; the connection system includes a reducer pipe joint and a telescopic pipe, the upper end of the reducer pipe joint is connected to the vertical pipe, the lower end is connected to the upper end of the telescopic pipe, and the lower end of the telescopic pipe is connected to the gas collecting hood. The rubber vulcanization waste gas collecting device provided by the utility model is connected to the gas collecting hood through a telescopic pipe. During use, the angle and position of the gas collecting hood can be changed, and the accuracy of the early pipeline layout can also be relaxed, so that the gas collecting hood installation process is convenient, and has a buffering function and is not easily impacted.

[0004] However, the air hood is still open to the port of the vulcanization device, and external ash and other substances are easily sucked into the air hood, causing the ash and waste gas to be sucked into the air hood together. A large amount of ash sucked into the air hood will make the absorption effect of the waste gas worse, so improvement is needed. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a waste gas collecting hood for silicone processing, so as to solve the problem that the air collecting hood and the port of the vulcanization device are still in an open state in the prior art, and the external ash and slag are easily sucked into the air collecting hood, which leads to the ash and slag being sucked into the air collecting hood together with the waste gas. The absorption effect of the waste gas will be deteriorated when more ash and slag are sucked into the interior of the air collecting hood, so improvement is needed.

[0006] The purpose and efficacy of a silicone-processed waste gas collecting hood of the utility model are achieved by the following specific technical means: a silicone-processed waste gas collecting hood, comprising a collecting hood, an air duct and an air inlet, the air duct being fixedly connected to the top of the collecting hood, the air inlet being opened at the bottom of the collecting hood, an air outlet being opened at the top of the air duct, an air pump being arranged inside the air inlet, a motor being arranged inside the air pump, a rotating rod being fixedly connected to the lower output end of the motor, an impeller being fixedly connected to the bottom of the rotating rod being located at the bottom of the air inlet, and a dustproof net being arranged inside the air inlet.

[0007] Preferably, a scraper located at the bottom of the dustproof net is fixedly connected to the rod body of the rotating rod, and the dustproof net is arranged in a V shape.

[0008] Preferably, a limiting groove is provided on the inner wall of the air inlet, a collecting chamber is provided below the limiting groove, and an opening corresponding to the scraper is provided on the side wall of the collecting chamber.

[0009] Preferably, the scraper is arranged in an inclined shape, and the bottom side of the scraper passes through the opening and extends into the collecting chamber.

[0010] Preferably, the bottom of the dustproof net is clamped in a limiting groove, and a pressure spring located below the dustproof net is clamped inside the limiting groove.

[0011] Preferably, the scraper is arranged in an arc shape as a whole.

[0012] Preferably, scrapers located at the bottom of the dustproof net are fixedly connected to the upper two sides of the scraper.

[0013] Preferably, a guide groove located at the bottom of the dustproof net is opened in the middle of the scraper, and the other end of the guide groove extends into the collecting chamber.

[0014] Beneficial effects:

[0015] 1. The dust screen is set in a V shape, and a scraper located at the bottom of the dust screen is fixedly connected to the rod body of the rotating rod, so that the rotating rod will drive the scraper to rotate during the rotation process, and then the scraper will scrape off the ash remaining at the bottom of the dust screen to prevent the dust screen from being blocked by the ash and affecting the circulation efficiency of the exhaust gas. The scraper is set in an arc shape, and when the scraper is cleaning the dust screen, the scrapers fixedly connected on both sides above the scraper will scrape off the ash remaining above the dust screen, and the scraped ash will fall into the guide groove opened in the middle of the scraper. The scraper is set in an inclined shape and the bottom passes through the collecting chamber opened on the side wall of the air inlet, so that the scraper will throw the ash inside the guide groove into the collecting chamber for collection during the rotation process, preventing the scraped ash from falling from the air inlet and causing an impact, and then the air guide pipe inside the air collecting hood will not inhale ash during the exhaust gas absorption process, thereby improving the exhaust gas absorption effect.

[0016] 2. When the scraper is attached to the bottom of the dustproof net and rotates, it will collide with it, causing the two sides of the bottom of the dustproof net to vibrate in the limit grooves opened on the side walls of the air inlet. During the vibration of the dustproof net, the pressure spring inside the limit groove will be squeezed, thereby causing the dustproof net to vibrate slightly, so that the ash and residue adsorbed above the dustproof net will be loosened by the vibration, and it will be more convenient for the scraper to scrape off the remaining ash and residue above the dustproof net, thereby improving the effect on the dustproof net. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 This is a schematic diagram of the air guide tube structure in the utility model.

[0019] Figure 3 It is a schematic diagram of the cross-sectional structure of the air guide tube in the utility model.

[0020] Figure 4 This is a schematic diagram of the scraper structure in the utility model

[0021] Figure 5 For the utility model Figure 3 A is an enlarged schematic diagram of the structure.

[0022] Figure 1-5 In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0023] Air collecting hood-1, air guide pipe-2, air outlet-201, air inlet-3, air pump-301, rotating rod-302, impeller-303, dust-proof net-4, limiting groove-401, pressure spring-402, scraper-5, scraper-501, guide groove-502, collecting chamber-6. DETAILED DESCRIPTION

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Example

[0025] As attached Figure 1 As shown in the attached figure:

[0026] A silicone processed waste gas collecting hood comprises a collecting hood 1, an air duct 2 and an air inlet 3. The air duct 2 is fixedly connected to the bottom of the collecting hood 1. The air inlet 3 is opened in the air duct 2 and is located below the collecting hood 1. The waste gas is sucked in through the air inlet 3, and then transmitted to the air outlet 201 opened at the top through the air duct 2 to be discharged into the corresponding installed purification mechanism for filtering treatment.

[0027] It should be understood that the above-mentioned fixed connection means that there can be no relative movement between the two. There are many ways of fixed connection. Bolts can be used here to fix it, making it more convenient to disassemble and maintain the air guide tube 2 later.

[0028] When the air pump 301 installed inside the air inlet 3 is running and the corresponding motor installed inside the air pump 301 is running, the output end below the motor will drive the rotating rod 302 fixedly connected at the bottom to rotate in the air inlet 3. During the rotation of the rotating rod 302, the impeller 303 fixedly connected at the bottom will be driven to rotate together, so that when the impeller 303 rotates, the exhaust gas below the air collecting hood 1 can be sucked into the air inlet 3. When the exhaust gas is sucked into the air inlet 3 and guided toward the air outlet 201, the dustproof net 4 installed inside the air inlet 3 will filter out the ash in the exhaust gas to prevent the ash from entering the air duct 2 and affecting it, thereby improving the exhaust gas absorption efficiency.

[0029] The dust screen 4 is V-shaped, and a scraper 5 located at the bottom of the dust screen 4 is fixedly connected to the rod body of the rotating rod 302, so that the rotating rod 302 will drive the scraper 5 to rotate during the rotation process, and then the scraper 5 will scrape off the ash residue remaining at the bottom of the dust screen 4 to prevent the dust screen 4 from being blocked by ash residue and affecting the circulation efficiency of the exhaust gas. The scraper 5 is arranged in an arc shape. During the process of scraping the dust screen 4, the scraper blades 501 fixedly connected on both sides of the scraper 5 will scrape off the ash residue remaining on the dust screen 4, and the scraped ash residue will fall into the guide groove 502 opened in the middle of the scraper 5. The scraper 5 is arranged in an inclined shape and the bottom passes through the collecting groove 502 opened on the side wall of the air inlet 3. The ash residue inside the guide groove 502 is thrown into the collecting chamber 6 for collection during the rotation of the scraper 5, so as to prevent the scraped ash residue from falling from the air inlet 3 and causing an impact, and the scraper 5 will collide with the bottom of the dustproof net 4 when it rotates in contact with it, so that the two sides of the bottom of the dustproof net 4 will vibrate in the limiting groove 401 opened on the side wall of the air inlet 3, and the pressure spring 402 inside the limiting groove 401 will be squeezed during the vibration of the dustproof net 4, so that the dustproof net 4 can vibrate slightly, so that the ash residue adsorbed on the top of the dustproof net 4 will be loosened by the vibration, and the scraper 5 can scrape off the residual ash residue on the top of the dustproof net 4 more conveniently, thereby improving the effect on the dustproof net 4.

[0030] Working principle: The air pump 301 inside the air inlet 3 is operated, and the air pump 301 will drive the corresponding internal motor during operation, so that the output end of the motor below will drive the rotating rod 302 to rotate in the air inlet 3, and the rotating rod 302 will drive the impeller 303 at the bottom to rotate together during the rotation, so that when the impeller 303 rotates, the exhaust gas below the air collecting hood 1 can be sucked into the air inlet 3, and when the exhaust gas is sucked into the air inlet 3 and directed toward the air outlet 201, the dustproof net 4 inside the air inlet 3 will filter out the ash in the exhaust gas to prevent the ash from entering the air guide pipe 2 and affecting it, and the rotating rod 302 will drive the scraper 5 to rotate together during the rotation, so that the scraper 5 can rotate in contact with the bottom of the dustproof net 4, and the scraper 5 will pass through the upper The scrapers 501 on both sides scrape off the ash remaining on the dustproof net 4, and the scraped ash will fall into the guide groove 502 in the middle of the scraper 5, and the scraper 5 will throw the ash inside the guide groove 502 into the collecting chamber 6 for collection during the rotation process, so as to prevent the scraped ash from falling from the air inlet 3 and causing impact, and the scraper 5 will collide with the bottom of the dustproof net 4 when it rotates in contact with it, so that the two sides of the bottom of the dustproof net 4 will vibrate in the limiting groove 401, and the pressure spring 402 inside the limiting groove 401 will be squeezed during the vibration of the dustproof net 4, so that the dustproof net 4 can vibrate slightly, so that the ash adsorbed on the top of the dustproof net 4 will be loosened by the vibration, and the scraper 5 can scrape off the remaining ash on the top of the dustproof net 4 more conveniently, thereby improving the effect on the dustproof net 4.

Claims

1. A waste gas collecting hood for silicone processing, comprising a collecting hood (1), an air guide pipe (2) and an air inlet (3), wherein the air guide pipe (2) is fixedly connected to the top of the collecting hood (1), and the air inlet (3) is opened at the bottom of the collecting hood (1), characterized in that: An air outlet (201) is provided at the top of the air guide pipe (2), an air pump (301) is arranged inside the air inlet (3), a motor is arranged inside the air pump (301), a rotating rod (302) is fixedly connected to the output end below the motor, an impeller (303) located at the bottom of the air inlet (3) is fixedly connected to the bottom of the rotating rod (302), and a dust screen (4) is arranged inside the air inlet (3).

2. The exhaust gas collecting hood for silicone processing according to claim 1, characterized in that: A scraper (5) located at the bottom of the dustproof net (4) is fixedly connected to the body of the rotating rod (302), and the dustproof net (4) is arranged in a V shape.

3. The exhaust gas collecting hood for silicone processing according to claim 2, characterized in that: A limiting groove (401) is provided on the inner wall of the air inlet (3), a collecting chamber (6) is provided below the limiting groove (401), and an opening corresponding to the scraper (5) is provided on the side wall of the collecting chamber (6).

4. The exhaust gas collecting hood for silicone processing according to claim 3, characterized in that: The scraper (5) is arranged in an inclined shape, and the bottom side of the scraper (5) passes through the opening and extends into the collection chamber (6).

5. The exhaust gas collecting hood for silicone processing according to claim 3, characterized in that: The bottom of the dustproof net (4) is clamped in the limiting groove (401), and a pressure spring (402) located below the dustproof net (4) is clamped inside the limiting groove (401).

6. The exhaust gas collecting hood for silicone processing according to claim 2, characterized in that: The scraper (5) is arranged in an arc shape as a whole.

7. The exhaust gas collecting hood for silicone processing according to claim 3, characterized in that: Scraping blades (501) located at the bottom of the dustproof net (4) are fixedly connected to the upper two sides of the scraper (5).

8. The exhaust gas collecting hood for silicone processing according to claim 3, characterized in that: A guide groove (502) located at the bottom of the dustproof net (4) is provided in the middle of the scraper (5), and the other end of the guide groove (502) extends into the collection chamber (6).

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