Electroplating waste gas collection and treatment system and method

Abstract

The invention discloses an electroplating waste gas collection and treatment system and method, and relates to the technical field of waste gas treatment device.The electroplating waste gas collection and treatment system comprises a treatment tower and a gas washing bottle, a gear disc is rotationally arranged on the inner top wall of the treatment tower, and a scraping plate used for scraping and sweeping the inner side wall of the treatment tower is fixedly arranged at the bottom of the gear disc; the scraping plate is in sliding fit with the inner wall of the treatment tower, a driving part is fixedly arranged at the top of the treatment tower, the lower end of the driving part is inserted into the treatment tower and meshed with the gear disc, a cavity is formed in the inner wall of the treatment tower, a plurality of spray heads are arranged on the inner wall of the treatment tower, and the spray heads communicate with the cavity; and liquid supply equipment is arranged at the top of the gas washing bottle. The inner wall of the treatment tower can be conveniently scraped and swept through rotation of the scraping plate, when the filter plate moves, the scraping and sweeping part is driven to synchronously move, and at the moment, the semicircular block slides along the inner wall of the spiral groove in the guide rod, so that the scraping and sweeping part is driven to rotate and scrape and sweep the filter plate, and the treatment tower is more convenient to clean.

Description

Technical Field

[0001] The present invention relates to the technical field of waste gas treatment devices, and in particular to a system and method for collecting and treating electroplating waste gas. Background Art

[0002] The electroplating industry is one of the important processing industries in the current society. Electroplating is mainly concentrated in the electronics, machinery manufacturing, instrumentation and aviation industries. The electroplating process is to place the workpiece in the corresponding chemical electrolytic liquid tank. After the chemical reaction, an electroplating layer is formed on the surface of the workpiece to achieve the effects of beauty, surface strengthening or corrosion resistance. However, the electroplating industry is also a high-consumption and high-pollution industry. Acidic gases, organic waste gases and heavy metal waste gases will be generated during the electroplating process. Direct emissions will pollute the atmosphere. Therefore, the electroplating process and facilities must be equipped with a local gas collection system, and they must be uniformly treated before they can be discharged into the atmosphere.

[0003] The existing patent (Announcement No.: CN214486363U) discloses a system for collecting and treating electroplating waste gas, including a treatment tower for accommodating electroplating waste gas and a spraying part for spraying treatment liquid to treat electroplating waste gas, the treatment tower has a treatment chamber, the spraying part is arranged in the treatment chamber, and the treatment system also includes at least one air intake part for conveying electroplating waste gas to the treatment chamber, and the air intake part is arranged on the treatment tower. In the process of implementing this scheme, it is found that the following problems exist in the prior art, which have not been well solved: when the device is used, the waste gas is treated by the treatment tower and the filtering mechanism. As the device is continuously used, impurities are easily attached to the inner wall of the treatment tower. Therefore, when there are too many impurities inside the treatment tower, it needs to be cleaned, but the cleaning inside the treatment tower is more troublesome. Summary of the invention

[0004] In order to improve the above-mentioned device, when in use, the waste gas is treated through a treatment tower and a filtering mechanism. As the device is continuously used, impurities tend to be continuously attached to the inner wall of the treatment tower. Therefore, when there are too many impurities inside the treatment tower, it needs to be cleaned. However, the cleaning inside the treatment tower is troublesome.

[0005] The present invention provides a system and method for collecting and treating electroplating waste gas, which adopts the following technical solutions:

[0006] A system for collecting and treating electroplating waste gas comprises a treatment tower and a gas washing bottle, wherein a gear plate is rotatably arranged on the inner top wall of the treatment tower, a scraper for scraping the inner side wall of the treatment tower is fixedly arranged on the bottom of the gear plate, the scraper is slidably matched with the inner wall of the treatment tower, a driving member is fixedly arranged on the top of the treatment tower, the lower end of the driving member is inserted into the treatment tower and meshed with the gear plate, a cavity is opened on the inner wall of the treatment tower, a plurality of nozzles are arranged on the inner wall of the treatment tower, and the nozzles are communicated with the cavity, A liquid supply device is provided on the top of the gas washing bottle, and the liquid outlet end of the liquid supply device is communicated with the cavity. The gas washing bottle is connected to the upper end of the treatment tower by providing a flow guide. A filter plate is movably provided in the treatment tower, and the scraper is slidably matched with the side wall of the filter plate. A scraping piece is rotatably provided on the bottom surface of the filter plate, and a semicircular block is fixedly provided in the scraping piece. A guide rod is fixedly provided on the inner top wall of the treatment tower, and the guide rod is movably inserted in the scraping piece, and the semicircular block is slidably matched with the outer wall of the guide rod.

[0007] Optionally, in the above-mentioned electroplating waste gas collection and treatment system, a collecting tube is movably connected to the lower end of the outer wall of the treatment tower, a buckle groove is opened on the outer wall of the collecting tube, and an air intake pipe is fixedly connected to the lower end of the outer wall of the treatment tower.

[0008] Optionally, in the above-mentioned electroplating waste gas collection and treatment system, the scraper is in the shape of a plurality of scrapers, and the plurality of scrapers are equidistantly distributed in a ring shape on the bottom surface of the gear plate, the scraper is in the shape of a spiral, and the cross-section of the scraper is in the shape of a semi-cylindrical shape.

[0009] Optionally, in the above-mentioned electroplating waste gas collection and treatment system, the driving member includes a motor, the motor is arranged on the top of the treatment tower, the rotating shaft of the motor is inserted into the treatment tower and is fixedly sleeved with a transmission gear, and the transmission gear is meshed with a gear plate.

[0010] Optionally, in the above-mentioned electroplating waste gas collection and treatment system, the guide member includes a fan and a guide pipe, the upper end of the outer wall of the treatment tower is connected to the washing bottle through the guide pipe, and the fan is arranged in the guide pipe.

[0011] Optionally, in the above-mentioned electroplating waste gas collection and treatment system, the outer wall of the filter plate is provided with an arc-shaped inclined groove adapted to the scraper, and the scraper is slidably matched with the inner wall of the arc-shaped inclined groove.

[0012] Optionally, in the above-mentioned electroplating waste gas collection and treatment system, the scraping member includes a circular tube and a plurality of brush plates, the circular tube is rotatably set on the filter plate, the lower end of the circular tube extends out of the filter plate and is fixedly provided with a plurality of brush plates, the brush plates are slidingly matched with the bottom surface of the filter plate, the semicircular block is fixedly set in the circular tube, the outer wall of the guide rod is provided with a spiral groove, and the semicircular block is slidingly matched with the inner wall of the spiral groove.

[0013] Another technical solution proposed by the present invention: a process for processing an explosion-proof electric heating tube, comprising the following steps:

[0014] S101: first, the electroplating waste gas is transported into the treatment tower, then the liquid supply device is started to transport the reaction reagent into the cavity, and the reaction reagent is sprayed into the treatment tower through the nozzle to react with the electroplating waste gas;

[0015] S102: The electroplating waste gas treated in the treatment tower is transported to the water washing bottle through the guide member for water washing treatment, and the impurities in the electroplating waste gas are filtered through the filter plate. After the waste gas is filtered and washed, it is discharged to the subsequent treatment device;

[0016] S103: When the inside of the treatment tower needs to be cleaned, the gear plate and the scraper are driven to rotate by the driving member, and then the inner wall of the treatment tower is scraped by the scraper, and the filter plate is controlled to move up and down as the scraper rotates;

[0017] S104: When the filter plate moves, the scraper moves synchronously with it. At this time, the semicircular block slides along the inner wall of the spiral groove on the guide rod, thereby prompting the scraper to rotate and scrape the filter plate, thereby cleaning the filter plate and the treatment tower, and the impurities scraped down fall into the collection tube. Finally, the collection tube is disassembled to facilitate the cleaning of the accumulated impurities.

[0018] In summary, the present invention includes at least one of the following beneficial effects:

[0019] The inner wall of the treatment tower can be scraped by rotating the scraper. When the filter plate moves, the scraper moves synchronously. At this time, the semicircular block slides along the inner wall of the spiral groove on the guide rod, thereby causing the scraper to rotate and scrape the filter plate, making it more convenient to clean the treatment tower.

[0020] The reaction reagent is transported into the cavity through the liquid supply equipment, and is sprayed into the treatment tower through the nozzle to react with the electroplating waste gas, and then the electroplating waste gas treated in the treatment tower is transported to the water washing bottle through the guide piece for water washing treatment, and the impurities in the electroplating waste gas are filtered through the filter plate, so the waste gas treatment effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the present invention;

[0022] Figure 2 It is a partial three-dimensional structural cross-sectional view of the present invention;

[0023] Figure 3 It is a partial three-dimensional expanded structural cross-sectional view of the treatment tower of the present invention;

[0024] Figure 4It is a partial three-dimensional expanded structural cross-sectional view of the filter plate of the present invention.

[0025] In the figure: 1, treatment tower; 2, washing bottle; 3, gear plate; 4, scraper; 5, driving member; 51, motor; 52, transmission gear; 6, cavity; 7, nozzle; 8, liquid supply equipment; 9, guide member; 91, fan; 92, guide pipe; 10, filter plate; 101, arc-shaped inclined groove; 11, scraping member; 111, round tube; 112, brush plate; 12, semicircular block; 13, guide rod; 131, spiral groove; 14, collecting tube; 15, buckle groove; 16, air inlet pipe. DETAILED DESCRIPTION

[0026] The following is combined with Figure 1-Figure 4 The present invention is described in further detail.

[0027] Please refer to the attached figure in the instruction manual Figure 1-Figure 4 An embodiment of the present invention is a system for collecting and treating electroplating waste gas, comprising a treatment tower 1 and a washing bottle 2, wherein a collecting cylinder 14 is movably connected to the lower end of the outer wall of the treatment tower 1, and a buckle groove 15 is provided on the outer wall of the collecting cylinder 14, and an air intake pipe 16 is fixedly connected to the lower end of the outer wall of the treatment tower 1, so that the impurities in the treatment tower 1 can be uniformly collected through the collecting cylinder 14, and the buckle groove 15 can facilitate the operator to remove the collecting cylinder 14 from the treatment tower 1, so that the operator can process the impurities in the collecting cylinder 14, and the air intake pipe 16 can facilitate the electroplating waste gas to be transported to the treatment tower 1 for treatment.

[0028] A gear plate 3 is rotatably provided on the inner top wall of the processing tower 1, and a scraper 4 for scraping the inner wall of the processing tower 1 is fixedly provided on the bottom of the gear plate 3. The scraper 4 slides with the inner wall of the processing tower 1. The scraper 4 is in the shape of a plurality of scrapers, and the plurality of scrapers 4 are equidistantly distributed in a ring shape on the bottom surface of the gear plate 3. The scraper 4 is in the shape of a spiral, and the cross-section of the scraper 4 is in the shape of a semi-cylinder. The scraper 4 is driven to rotate by the gear plate 3, and as the scraper 4 rotates, the inner wall of the processing tower 1 is scraped, thereby scraping off the impurities on the inner wall of the processing tower 1.

[0029] A driving member 5 is fixedly provided on the top of the processing tower 1, and the lower end of the driving member 5 is inserted into the processing tower 1 and meshed with the gear plate 3. The driving member 5 includes a motor 51, which is arranged on the top of the processing tower 1. The rotating shaft of the motor 51 is inserted into the processing tower 1 and fixedly sleeved with a transmission gear 52, which meshes with the gear plate 3. The motor 51 can be used to drive the transmission gear 52 to rotate, and the transmission gear 52 can be used to drive the gear plate 3 and the scraper 4 to rotate, and the scraper 4 can be used to randomly scrape the inner wall of the processing tower 1.

[0030] A cavity 6 is opened on the inner wall of the treatment tower 1, and a plurality of nozzles 7 are arranged on the inner wall of the treatment tower 1. The nozzle 7 is connected to the cavity 6. A liquid supply device 8 is arranged on the top of the washing bottle 2. The liquid supply device 8 adopts existing equipment. The liquid outlet end of the liquid supply device 8 is connected to the cavity 6. The reaction reagent is transported into the cavity 6 by starting the liquid supply device 8, and the reaction reagent is sprayed into the treatment tower 1 through the nozzle to react with the electroplating waste gas. The reaction reagent adopts the waste gas treatment reagent commonly used on the market, and the reagent can be adjusted according to the parameters of the waste gas.

[0031] The gas washing bottle 2 is connected to the upper end of the treatment tower 1 by setting a guide member 9, and the guide member 9 includes a fan 91 and a guide pipe 92. The upper end of the outer wall of the treatment tower 1 is connected to the gas washing bottle 2 through the guide pipe 92. The fan 91 is arranged in the guide pipe 92. The fan 91 facilitates the waste gas filtered by the filter plate 10 to be transported to the gas washing bottle 2 through the guide pipe 92, so that the waste gas can be washed through the gas washing bottle 2.

[0032] A filter plate 10 is movably arranged in the treatment tower 1. The scraper 4 is slidably matched with the side wall of the filter plate 10. The outer wall of the filter plate 10 is provided with an arc-shaped inclined groove 101 adapted to the scraper 4. The scraper 4 is slidably matched with the inner wall of the arc-shaped inclined groove 101. The arc-shaped inclined groove 101 cooperates with the scraper 4 so that the scraper 4 rotates to control the filter plate 10 to move up and down.

[0033] The bottom surface of the filter plate 10 is rotatably provided with a scraper 11, and a semicircular block 12 is fixedly provided in the scraper 11. A guide rod 13 is fixedly provided on the inner top wall of the treatment tower 1. The guide rod 13 is movably inserted in the scraper 11, and the semicircular block 12 is slidably matched with the outer wall of the guide rod 13. The scraper 11 includes a round tube 111 and a plurality of brush plates 112. The round tube 111 is rotatably provided on the filter plate 10, and the lower end of the round tube 111 extends out of the filter plate 10 and is fixedly provided with a plurality of brush plates 112. 2. The brush plate 112 is slidably matched with the bottom surface of the filter plate 10. The semicircular block 12 is fixedly arranged in the circular tube 111. The outer wall of the guide rod 13 is provided with a spiral groove 131. The semicircular block 12 is slidably matched with the inner wall of the spiral groove 131. When the filter plate 10 moves, the circular tube 111 and the brush plate 112 are driven to move synchronously. At this time, the semicircular block 12 slides along the inner wall of the spiral groove 131, thereby prompting the circular tube 111 to drive the brush plate 112 to rotate and scrape the bottom surface of the filter plate 10.

[0034] In summary: first, the electroplating waste gas is transported to the treatment tower 1, and then the liquid supply device 8 is started to transport the reaction reagent to the cavity 6, and the reaction reagent is sprayed into the treatment tower 1 through the nozzle to react with the electroplating waste gas, and the electroplating waste gas treated in the treatment tower 1 is transported to the water washing bottle through the guide member 9 for water washing treatment, and at the same time, the impurities in the electroplating waste gas are filtered through the filter plate 10, and the waste gas is discharged into the subsequent treatment device after filtration and water washing.

[0035] The gear plate 3 and the scraper 4 are driven to rotate by the driving member 5, and then the inner wall of the processing tower 1 is scraped by the scraper 4, and the filter plate 10 is controlled to move up and down as the scraper 4 rotates, and the scraper 11 is driven to move synchronously when the filter plate 10 moves. At this time, the semicircular block 12 slides along the inner wall of the spiral groove 131 on the guide rod 13, thereby prompting the scraper 11 to rotate and scrape the filter plate 10.

[0036] In order to better demonstrate an electroplating waste gas collection and treatment system, this embodiment now proposes an electroplating waste gas collection and treatment system and method, including the following steps:

[0037] Step 1: First, the electroplating waste gas is transported into the treatment tower 1, and then the liquid supply device 8 is started to transport the reaction reagent into the cavity 6, and the reaction reagent is sprayed into the treatment tower 1 through the nozzle to react with the electroplating waste gas;

[0038] Step 2: The electroplating waste gas treated in the treatment tower 1 is transported to the water washing bottle through the guide member 9 for water washing treatment, and the impurities in the electroplating waste gas are filtered through the filter plate 10. After filtering and water washing treatment, the waste gas is discharged to the subsequent treatment device;

[0039] Step 3: When the inside of the treatment tower 1 needs to be cleaned, the gear plate 3 and the scraper 4 are driven to rotate by the driving member 5, and then the inner wall of the treatment tower 1 is scraped by the scraper 4, and the filter plate 10 is controlled to move up and down as the scraper 4 rotates;

[0040] Step 4: When the filter plate 10 moves, the scraper 11 is driven to move synchronously. At this time, the semicircular block 12 slides along the inner wall of the spiral groove 131 on the guide rod 13, thereby prompting the scraper 11 to rotate and scrape the filter plate 10, thereby cleaning the filter plate 10 and the treatment tower 1, and the scraped impurities fall into the collection tube 14. Finally, the collection tube 14 is disassembled to facilitate the cleaning of the accumulated impurities.

[0041] The above are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A system for collecting and treating electroplating waste gas, comprising a treatment tower (1) and a gas washing bottle (2), characterized in that: The inner top wall of the treatment tower (1) is rotatably provided with a gear plate (3), the bottom of the gear plate (3) is fixedly provided with a scraper (4) for scraping the inner side wall of the treatment tower (1), the scraper (4) is slidably matched with the inner wall of the treatment tower (1), the top of the treatment tower (1) is fixedly provided with a driving member (5), the lower end of the driving member (5) is inserted into the treatment tower (1) and meshes with the gear plate (3), the inner wall of the treatment tower (1) is provided with a cavity (6), the inner wall of the treatment tower (1) is provided with a plurality of nozzles (7), the nozzles (7) are connected with the cavity (6), and the top of the washing bottle (2) is provided with a liquid supply device (8) The liquid outlet end of the liquid supply device (8) is communicated with the cavity (6); the gas washing bottle (2) is connected to the upper end of the treatment tower (1) by arranging a flow guide (9); a filter plate (10) is movably arranged in the treatment tower (1); the scraper (4) is slidably matched with the side wall of the filter plate (10); a scraper (11) is rotatably arranged on the bottom surface of the filter plate (10); a semicircular block (12) is fixedly arranged in the scraper (11); a guide rod (13) is fixedly arranged on the inner top wall of the treatment tower (1); the guide rod (13) is movably inserted in the scraper (11), and the semicircular block (12) is slidably matched with the outer wall of the guide rod (13).

2. The electroplating waste gas collection and treatment system according to claim 1, characterized in that: A collecting cylinder (14) is movably inserted into the lower end of the outer wall of the treatment tower (1), a buckle groove (15) is provided on the outer wall of the collecting cylinder (14), and an air inlet pipe (16) is fixedly inserted into the lower end of the outer wall of the treatment tower (1).

3. The electroplating waste gas collection and treatment system according to claim 1, characterized in that: The scrapers (4) are in the form of a plurality of scrapers (4) which are equidistantly distributed in a ring shape on the bottom surface of the gear plate (3); the scrapers (4) are in the form of a spiral; and the cross-section of the scrapers (4) is in the form of a semi-cylinder.

4. The electroplating waste gas collection and treatment system according to claim 1, characterized in that: The driving member (5) comprises a motor (51), the motor (51) is arranged on the top of the processing tower (1), the rotating shaft of the motor (51) is inserted into the processing tower (1) and is fixedly sleeved with a transmission gear (52), and the transmission gear (52) is meshed with the gear plate (3).

5. The electroplating waste gas collection and treatment system according to claim 1, characterized in that: The flow guide member (9) comprises a fan (91) and a flow guide pipe (92); the upper end of the outer wall of the treatment tower (1) is connected to the gas washing bottle (2) via the flow guide pipe (92); and the fan (91) is arranged in the flow guide pipe (92).

6. The electroplating waste gas collection and treatment system according to claim 3, characterized in that: The outer wall of the filter plate (10) is provided with an arc-shaped inclined groove (101) adapted to the scraper (4), and the scraper (4) is slidably matched with the inner wall of the arc-shaped inclined groove (101).

7. The electroplating waste gas collection and treatment system according to claim 1, characterized in that: The scraping member (11) comprises a circular tube (111) and a plurality of brush plates (112); the circular tube (111) is rotatably arranged on the filter plate (10); the lower end of the circular tube (111) extends out of the filter plate (10) and is fixedly provided with a plurality of brush plates (112); the brush plates (112) are slidably matched with the bottom surface of the filter plate (10); the semicircular block (12) is fixedly arranged in the circular tube (111); the outer wall of the guide rod (13) is provided with a spiral groove (131); the semicircular block (12) is slidably matched with the inner wall of the spiral groove (131).

8. A method for collecting and treating an electroplating waste gas, comprising the electroplating waste gas collection and treatment system according to any one of claims 1 to 7, characterized in that: The following steps are also included: S101: First, the electroplating waste gas is transported into the treatment tower (1), then the liquid supply device (8) is started to transport the reaction reagent into the cavity (6), and the reaction reagent is sprayed into the treatment tower (1) through a nozzle to react with the electroplating waste gas; S102: The electroplating waste gas treated in the treatment tower (1) is transported to a water washing bottle through a flow guide (9) for water washing, and at the same time, impurities in the electroplating waste gas are filtered through a filter plate (10). After filtering and water washing, the waste gas is discharged into a subsequent treatment device; S103: When the inside of the treatment tower (1) needs to be cleaned, the gear plate (3) and the scraper (4) are driven to rotate by the driving member (5), and then the scraper (4) scrapes the inner wall of the treatment tower (1), and the filter plate (10) is controlled to move up and down as the scraper (4) rotates; S104: When the filter plate (10) moves, the scraper (11) is driven to move synchronously. At this time, the semicircular block (12) slides along the inner wall of the spiral groove (131) on the guide rod (13), thereby prompting the scraper (11) to rotate and scrape the filter plate (10), thereby cleaning the filter plate (10) and the treatment tower (1), and the scraped impurities fall into the collection tube (14). Finally, the collection tube (14) is disassembled to facilitate the cleaning of the accumulated impurities.

Images