An environmentally friendly VOCs waste gas treatment equipment

Abstract

The present invention belongs to the technical field of chemical waste gas treatment, and discloses an environmentally friendly VOCs waste gas treatment device, including a base, the inner wall of the base is fixedly connected with a plurality of circumferentially equidistantly arranged connection blocks, the middle of the connection block is fixedly connected with a motor seat, and a driving motor is fixedly installed inside the motor seat. The present invention drives the rotating disk to rotate through the output shaft of the driving motor, and the rotating disk drives the inner scrapers and outer scrapers on both sides to rotate, and the liquid and impurity agglomerates attached to the inner wall of the upper shell and the curved surface of the condenser are scraped off and fall on the upper surface of the outer filter plate and the inner filter plate, the liquid will pass through the outer filter plate, and the impurities will be pushed and collected inside the outer filter shell and the inner filter shell by the rotating outer scrapers and inner scrapers, and at the same time, the upper surfaces of the outer filter plate and the inner filter plate are cleaned to prevent clogging by impurities, thereby solving the problem of impurities being deposited on the condenser tube and the inner wall of the condenser, affecting the performance of the condenser.

Description

Technical Field

[0001] The invention belongs to the technical field of chemical waste gas treatment, and specifically relates to an environmentally friendly VOCs waste gas treatment device. Background Art

[0002] As environmental problems continue to worsen, people are paying more and more attention to environmental issues and are reducing or lowering environmental pollution in various ways. At present, inhalable particulate matter has become an important source of harm to air quality, and volatile organic compounds (VOCs) are a major source of inhalable particulate matter. At present, VOCs mainly come from industrial production. In various occasions where organic solvents are used, such as painting, printing, metal degreasing and degreasing, adhesives, volatile organic compounds are constantly polluting the air.

[0003] At present, the commonly used recovery and treatment methods for VOCs waste gas are condensation and adsorption, that is, using a condenser to condense and liquefy VOCs for recovery. The condensed VOCs tail gas needs to be treated with activated carbon adsorption before being discharged into the atmosphere. When VOCs waste gas is condensed, large solid particles and small dust particles will be deposited on the condenser tube and the inner wall of the condenser, affecting the performance of the condenser. In addition, the treated tail gas will have residual temperature and residual water vapor. When the activated carbon adsorption treatment is performed, the temperature and water vapor will affect the adsorption capacity of the activated carbon, resulting in insufficient treatment of VOCs tail gas. Summary of the invention

[0004] The purpose of the present invention is to provide an environmentally friendly VOCs waste gas treatment device to solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: an environmentally friendly VOCs waste gas treatment device, comprising a base, the inner wall of the base is fixedly connected with a plurality of circumferentially equidistantly arranged connection blocks, the middle of the connection block is fixedly connected with a motor base, the inside of the motor base is fixedly installed with a drive motor, the output shaft of the drive motor is fixedly installed with a rotating disk, the middle of the upper surface of the rotating disk is fixedly installed with an electromagnet, the upper part of the rotating disk is slidably sleeved with a clutch plate, the bottom of the clutch plate is fixedly installed with a permanent magnet, the two sides of the rotating disk are fixedly connected with lower scrapers, and the upper surface of the lower scraper A T-shaped column is fixedly connected, an inner scraper and an outer scraper are fixedly connected above the T-shaped column, a connecting slider is fixedly connected between the tops of the inner scraper and the outer scraper, an upper shell body is fixedly connected to the upper surface of the base, an outer filter plate is fixedly connected to the middle of the upper shell body, an outer filter shell is clamped on the bottom of the outer filter plate, a slide groove is provided above the inner wall of the upper shell body, a condenser is fixedly connected to the top of the upper shell body, a heat insulation plate is fixedly installed inside the condenser, an inner filter plate is fixedly connected to the curved bottom of the condenser, an inner filter shell is clamped on the bottom of the inner filter plate, and a breathable shell is rotatably installed on the inner filter plate.

[0006] Preferably, a heat recovery pipe, a cooling pipe and an exhaust pipe are connected to the top of the condenser, the lower end of the heat recovery pipe is connected to a liquid cavity, a compressor is fixedly installed on the upper surface of the liquid cavity, the middle part of the heat recovery pipe is fixedly connected to two fixing rods fixedly connected to the curved surface of the upper shell body, the upper part of the curved surface of the upper shell body is fixedly connected to an air inlet, and the middle part of the curved surface of the upper shell body is clamped with a cover plate.

[0007] Preferably, the bottom of the outer scraper blade is matched with the upper surface of the outer filter plate and the inner wall of the upper shell body, and the outer scraper blade is arc-shaped and inclined toward the middle.

[0008] Preferably, the bottom of the inner scraper blade is matched with the upper surface of the inner filter plate and the curved surface of the condenser, and the outer scraper blade is arc-shaped and inclined toward the middle.

[0009] Preferably, the lower scraper is adapted to the inner wall of the upper shell, the middle part of the rotating disk is concave and the edge is inclined, the electromagnet is located in the middle part of the concave part of the rotating disk, the clutch plate is slidably connected to the edge of the concave part of the rotating disk, and the upper surface of the clutch plate and the lower surface of the air-permeable shell are both rough.

[0010] Preferably, honeycomb activated carbon is fixedly installed in the middle of the condenser, a proper amount of coolant is filled in the liquid cavity, and water-absorbing silica gel is filled in the air-permeable shell.

[0011] Preferably, the tube wall of the cooling tube is covered with an insulation sleeve, the upper end of the cooling tube is connected to the interior of the condensers on both sides of the insulation board, the middle part of the heat recovery tube has multiple bends, and the upper end of the heat recovery tube is connected to the interior of the condenser inside the insulation board.

[0012] The beneficial effects of the present invention are as follows:

[0013] 1. The present invention drives the rotating disk to rotate through the output shaft of the driving motor, and the rotating disk drives the inner scrapers and outer scrapers on both sides to rotate, so as to scrape off the liquid and impurity agglomerates attached to the inner wall of the upper shell and the curved surface of the condenser and drop them on the upper surfaces of the outer filter plate and the inner filter plate. The liquid will pass through the outer filter plate, and the impurities will be pushed and collected inside the outer filter shell and the inner filter shell by the rotating outer scrapers and the inner scrapers. At the same time, the upper surfaces of the outer filter plate and the inner filter plate are cleaned to prevent them from being blocked by impurities, thereby solving the problem that impurities are deposited on the condenser tube and the inner wall of the condenser, affecting the performance of the condenser.

[0014] 2. The present invention continuously vaporizes the coolant liquid inside the condenser to absorb the heat of VOCs exhaust gas and honeycomb activated carbon, so that the honeycomb activated carbon is in a relatively low temperature state, that is, it has a strong adsorption capacity. At the same time, the moisture in the VOCs exhaust gas will be removed by the water-absorbing silica gel in the breathable shell, avoiding the contact between the moisture and the honeycomb activated carbon, thereby solving the problem that the VOCs exhaust gas will have residual temperature and residual water vapor. During the activated carbon adsorption treatment, the temperature and water vapor will affect the activated carbon adsorption capacity, resulting in insufficient treatment of the VOCs exhaust gas.

[0015] 3. The present invention energizes the electromagnet to generate a magnetic field that repels the permanent magnet, causing the permanent magnet and the clutch plate to move upward and fit into the breathable shell, so that the rotating disk drives the clutch plate to rotate while driving the breathable shell to rotate, thereby throwing out the moisture physically absorbed by the water-absorbing silica gel in the breathable shell, thereby restoring the water absorption capacity of the water-absorbing silica gel, thereby solving the problem that the water-absorbing silica gel inside the breathable shell cannot effectively absorb water vapor after its capacity reaches a certain limit. Since the moisture physically absorbed by the water-absorbing silica gel is thrown out, it can be reused, which can effectively prevent water vapor from contacting with the honeycomb activated carbon, thereby ensuring the adsorption capacity of the honeycomb activated carbon. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the appearance structure diagram of the present invention;

[0017] Figure 2 A half-section schematic diagram of the base of the present invention;

[0018] Figure 3 For the present invention Figure 2 The enlarged schematic diagram at A in the middle;

[0019] Figure 4A half-section schematic diagram of a condenser of the present invention;

[0020] Figure 5 A half-section schematic diagram of a motor base of the present invention;

[0021] Figure 6 It is a half-section schematic diagram of the upper shell of the present invention.

[0022] In the figure: 1. base; 2. connecting block; 3. motor seat; 4. driving motor; 5. rotating disk; 6. electromagnet; 7. clutch plate; 8. permanent magnet; 9. lower scraper; 10. T-shaped column; 11. inner scraper; 12. outer scraper; 13. connecting slider; 14. upper shell; 15. outer filter plate; 16. outer filter shell; 17. slide; 18. condenser; 19. heat insulation board; 20. inner filter plate; 21. inner filter shell; 22. breathable shell; 23. heat recovery pipe; 24. cooling pipe; 25. exhaust pipe; 26. liquid cavity; 27. compressor; 28. fixing rod; 29. ​​air inlet; 30. cover plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] like Figures 1 to 6As shown, an embodiment of the present invention provides an environmentally friendly VOCs waste gas treatment device, including a base 1, a plurality of circumferentially equidistantly arranged connection blocks 2 are fixedly connected to the inner wall of the base 1, a motor base 3 is fixedly connected to the middle of the connection block 2, a driving motor 4 is fixedly installed inside the motor base 3, a rotating disk 5 is fixedly installed on the output shaft of the driving motor 4, an electromagnet 6 is fixedly installed on the middle of the upper surface of the rotating disk 5, a clutch plate 7 is slidably sleeved on the upper part of the rotating disk 5, a permanent magnet 8 is fixedly installed on the bottom of the clutch plate 7, lower scrapers 9 are fixedly connected to both sides of the rotating disk 5, and the upper surface of the lower scraper 9 A T-shaped column 10 is fixedly connected, an inner scraper 11 and an outer scraper 12 are fixedly connected above the T-shaped column 10, a connecting slider 13 is fixedly connected between the tops of the inner scraper 11 and the outer scraper 12, an upper shell 14 is fixedly connected to the upper surface of the base 1, an outer filter plate 15 is fixedly connected to the middle of the upper shell 14, an outer filter shell 16 is clamped on the bottom of the outer filter plate 15, a slide groove 17 is opened above the inner wall of the upper shell 14, a condenser 18 is fixedly connected to the top of the upper shell 14, a heat insulation board 19 is fixedly installed inside the condenser 18, and an inner filter plate 20 is fixedly connected to the curved bottom of the condenser 18 The bottom surface of the inner filter plate 20 is clamped with an inner filter shell 21, and the inner filter plate 20 is rotatably mounted with a breathable shell 22. The upper part of the condenser 18 is connected with a heat recovery pipe 23, a cooling pipe 24, and an exhaust pipe 25. The lower end of the heat recovery pipe 23 is connected with a liquid cavity 26, and a compressor 27 is fixedly mounted on the upper surface of the liquid cavity 26. The middle part of the heat recovery pipe 23 is fixedly connected with two fixing rods 28 fixedly connected to the curved surface of the upper shell 14. The upper part of the curved surface of the upper shell 14 is fixedly connected with an air inlet 29. The middle part of the curved surface of the upper shell 14 is clamped with a cover plate 30, and its function is that when the compressor 27 works, the liquid cavity 26 is filled with air. The coolant liquid inside 26 is pumped into the interior of the condenser 18 on both sides of the insulation board 19 through the cooling pipe 24. The coolant liquid vaporizes inside the condenser 18, thereby absorbing the internal heat of the condenser 18 and the upper shell 14, thereby reducing the temperature of the curved surface of the condenser 18 and the inner wall of the upper shell 14. The vaporized coolant reaches the bottom of the condenser 18, moves from the gap between the two insulation boards 19 to the inside of the condenser 18 through the heat recovery pipe 23, and is finally discharged from the inside of the condenser 18. The coolant entering the heat recovery pipe 23 is cooled and liquefied by cold wind after multiple bends and flows back into the liquid cavity 26.

[0025] Among them, the bottom of the outer scraper 12 is adapted to the upper surface of the outer filter plate 15 and the inner wall of the upper shell body 14, the outer scraper 12 is arc-shaped and inclined toward the middle, and the bottom of the inner scraper 11 is adapted to the upper surface of the inner filter plate 20 and the curved surface of the condenser 18. The outer scraper 12 is arc-shaped and inclined toward the middle. Its function is that the rotating outer scraper 12 and the inner scraper 11 will scrape off the liquid and impurity agglomerates attached to the inner wall of the upper shell body 14 and the curved surface of the condenser 18 and fall on the upper surface of the outer filter plate 15 and the inner filter plate 20. The liquid will pass through the outer filter plate 15 and the inner filter plate 20 and fall into the bottom interior of the upper shell body 14 and the bottom of the base 1. The liquid falling into the bottom interior of the upper shell body 14 will be scraped off by the lower scraper 9 and finally fall on the bottom of the base 1, and the impurities will be pushed by the rotating outer scraper 12 and the inner scraper 11 and collected in the outer filter shell 16 and the inner filter shell 21.

[0026] Among them, the lower scraper 9 is adapted to the inner wall of the upper shell 14, the middle part of the rotating disk 5 is concave, and the edge is inclined. The electromagnet 6 is located in the middle part of the concave middle part of the rotating disk 5, and the clutch plate 7 is slidably connected to the edge of the concave middle part of the rotating disk 5. The upper surface of the clutch plate 7 and the lower surface of the breathable shell 22 are both rough. Its function is that when the electromagnet 6 is energized, a magnetic field that repels the permanent magnet 8 is generated, so that the permanent magnet 8 and the clutch plate 7 move upward and fit the breathable shell 22. The upper surface of the clutch plate 7 and the lower surface of the breathable shell 22 are both rough. Because the rotating disk 5 drives the clutch plate 7 to rotate, it also drives the breathable shell 22 to rotate, thereby throwing out the moisture physically absorbed by the water-absorbing silica gel in the breathable shell 22.

[0027] Among them, honeycomb activated carbon is fixedly installed in the middle of the condenser 18, the liquid cavity 26 is filled with an appropriate amount of coolant, and the air permeable shell 22 is filled with water-absorbing silica gel. Its function is that the honeycomb activated carbon absorbs the organic matter in the VOCs exhaust gas that cannot be condensed; the water-absorbing silica gel absorbs the moisture in the VOCs exhaust gas by physical means.

[0028] Among them, the tube wall of the cooling tube 24 is covered with an insulation sleeve, the upper end of the cooling tube 24 is connected to the interior of the condensers 18 on both sides of the insulation board 19, the middle part of the heat dissipation recovery tube 23 has multiple bends, and the upper end of the heat dissipation recovery tube 23 is connected to the interior of the condenser 18 inside the insulation board 19. Its function is that the tube wall sleeve reduces the influence of the external temperature on the coolant inside the cooling tube 24, the insulation board 19 ensures that the heat taken away by the vaporized coolant will not be absorbed by the incoming coolant, and the multiple bends of the heat dissipation recovery tube 23 increase the heat dissipation area of ​​the heat dissipation recovery tube 23.

[0029] Working principle:

[0030] Before using the device, the VOCs waste gas pipeline to be treated is connected to the air inlet 29, and the compressor 27 is working to pump the coolant liquid in the liquid cavity 26 into the condensers 18 on both sides of the heat insulation board 19 through the cooling pipe 24. The coolant liquid is vaporized inside the condenser 18, thereby absorbing the internal heat of the condenser 18 and the upper shell 14, so that the temperature of the curved surface of the condenser 18 and the inner wall of the upper shell 14 is reduced, and the temperature is pre-treated. The vaporized coolant will reach the bottom of the condenser 18, move from the gap between the two heat insulation boards 19 to the inside of the condenser 18, and finally be discharged from the heat recovery pipe 23. The coolant entering the heat recovery pipe 23 is cooled and liquefied by the cold wind after multiple bends and flows back into the liquid cavity 26;

[0031] When the device is in use, the VOCs waste gas enters the interior of the upper shell 14 through the air inlet 29, and moves downward along the interior of the upper shell 14, while the driving motor 4 works, and the output shaft of the driving motor 4 drives the rotating disk 5 to rotate, and the rotating disk 5 drives the lower scraper 9 and the T-shaped column 10, the inner scraper 11, and the outer scraper 12 on both sides to rotate, and the connecting slider 13 slides along the slide groove 17, and the rotation of the outer scraper 12 and the inner scraper 11 will guide the incoming VOCs waste gas to the curved surface of the condenser 18, and the VOCs waste gas enters the interior of the upper shell 14 and its heat will be absorbed by the continuously vaporized coolant to absorb the heat and be condensed into liquid, which drips to the bottom of the base 1, or adheres to the inner wall of the upper shell 14 and the curved surface of the condenser 18. , impurities in the VOCs exhaust gas will adhere at the same time, and the rotating outer scraper 12 and the inner scraper 11 will scrape off the liquid and impurity agglomerates attached to the inner wall of the upper shell 14 and the curved surface of the condenser 18 and fall on the upper surface of the outer filter plate 15 and the inner filter plate 20, and the liquid will pass through the outer filter plate 15 and the inner filter plate 20 and fall into the bottom of the upper shell 14 and the bottom of the base 1, and the liquid falling into the bottom of the upper shell 14 will be scraped off by the lower scraper 9 and finally fall on the bottom of the base 1, and the impurities will be pushed by the rotating outer scraper 12 and the inner scraper 11 and collected in the outer filter shell 16 and the inner filter shell 21, and at the same time, the rotating outer scraper 12 and the inner scraper 11 will clean the upper surface of the outer filter plate 15 and the inner filter plate 20 to prevent clogging by impurities;

[0032] The VOCs tail gas after condensation treatment will enter the channel in the middle of the condenser 18 through the air permeable shell 22. During the process, the moisture in the VOCs tail gas will be removed by the water-absorbing silica gel. When passing through the honeycomb activated carbon, the organic matter in the VOCs tail gas that cannot be condensed will be adsorbed inside the honeycomb activated carbon. The treated VOCs tail gas will be discharged from the top of the exhaust pipe 25. Since the VOCs tail gas is cooled and the honeycomb activated carbon is always in a cooled state, the capacity of the honeycomb activated carbon is greatly enhanced and adsorbed at the same time. The moisture in the VOCs tail gas is removed by the water-absorbing silica gel, avoiding the contact between the moisture and the honeycomb activated carbon, and preventing the moisture from reducing the adsorption capacity of the honeycomb activated carbon.

[0033] As the VOCs waste gas is treated, the water-absorbing silica gel capacity inside the breathable shell 22 reaches a certain limit. At this time, the electromagnet 6 is energized to generate a magnetic field that repels the permanent magnet 8, causing the permanent magnet 8 and the clutch plate 7 to move upward and fit into the breathable shell 22. The upper surface of the clutch plate 7 and the lower surface of the breathable shell 22 are both rough. Because the rotating disk 5 drives the clutch plate 7 to rotate while driving the breathable shell 22 to rotate, the moisture physically absorbed by the water-absorbing silica gel in the breathable shell 22 is thrown out, thereby restoring the water absorption capacity of the water-absorbing silica gel. The electromagnet 6 is energized in the reverse direction to generate a magnetic field that absorbs the permanent magnet 8, causing the permanent magnet 8 and the clutch plate 7 to move downward and reset. At this time, the electromagnet 6 is de-energized, and the work is cyclical. When the work is completed, the cover 30 can be opened, and the outer filter shell 16 and the inner filter shell 21 can be removed for cleaning.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An environmentally friendly VOCs waste gas treatment device, comprising a base (1), the inner wall of the base (1) is fixedly connected to a plurality of circumferentially equidistantly arranged connection blocks (2), the middle of the connection block (2) is fixedly connected to a motor base (3), and a drive motor (4) is fixedly installed inside the motor base (3), characterized in that: The output shaft of the driving motor (4) is fixedly mounted with a rotating disk (5), an electromagnet (6) is fixedly mounted in the middle of the upper surface of the rotating disk (5), a clutch plate (7) is slidably sleeved on the upper part of the rotating disk (5), a permanent magnet (8) is fixedly mounted on the bottom of the clutch plate (7), lower scrapers (9) are fixedly connected to both sides of the rotating disk (5), a T-shaped column (10) is fixedly connected to the upper surface of the lower scraper (9), and the T-shaped column (10) An inner scraper (11) and an outer scraper (12) are fixedly connected above the base (1); a connecting slider (13) is fixedly connected between the top ends of the inner scraper (11) and the outer scraper (12); an upper shell (14) is fixedly connected to the upper surface of the base (1); an outer filter plate (15) is fixedly connected to the middle of the upper shell (14); an outer filter shell (16) is clamped on the bottom surface of the outer filter plate (15); and a slide groove (17) is provided above the inner wall of the upper shell (14). The top of the upper shell (14) is fixedly connected to a condenser (18), a heat insulation board (19) is fixedly installed inside the condenser (18), an inner filter plate (20) is fixedly connected to the curved bottom of the condenser (18), an inner filter shell (21) is clamped on the bottom of the inner filter plate (20), a breathable shell (22) is rotatably installed on the bottom of the inner filter plate (20), the lower scraper (9) is adapted to the inner wall of the upper shell (14), and the rotating disk (5 ) is concave in the middle and has an inclined edge. The electromagnet (6) is located in the middle of the concave portion of the rotating disk (5). The clutch plate (7) is slidably connected to the edge of the concave portion of the rotating disk (5). The upper surface of the clutch plate (7) and the lower surface of the air-permeable shell (22) are both rough. The rotating disk (5) drives the clutch plate (7) to rotate and drives the air-permeable shell (22) to rotate at the same time, thereby throwing out the water physically absorbed by the water-absorbing silica gel in the air-permeable shell (22).

2. The environmentally friendly VOCs waste gas treatment equipment according to claim 1 is characterized by: The top of the condenser (18) is connected to a heat recovery pipe (23), a cooling pipe (24), and an exhaust pipe (25); the lower end of the heat recovery pipe (23) is connected to a liquid chamber (26); a compressor (27) is fixedly mounted on the upper surface of the liquid chamber (26); the middle of the heat recovery pipe (23) is fixedly connected to two fixing rods (28) fixedly connected to the curved surface of the upper shell (14); the upper part of the curved surface of the upper shell (14) is fixedly connected to an air inlet (29); and the middle part of the curved surface of the upper shell (14) is clamped with a cover plate (30).

3. The environmentally friendly VOCs waste gas treatment equipment according to claim 1 is characterized by: The bottom of the outer scraper (12) is matched with the upper surface of the outer filter plate (15) and the inner wall of the upper shell (14); the outer scraper (12) is arc-shaped and inclined toward the middle.

4. The environmentally friendly VOCs waste gas treatment equipment according to claim 1 is characterized by: The bottom of the inner scraper (11) is adapted to the upper surface of the inner filter plate (20) and the curved surface of the condenser (18).

5. The environmentally friendly VOCs waste gas treatment equipment according to claim 2 is characterized by: Honeycomb activated carbon is fixedly installed in the middle of the condenser (18), an appropriate amount of coolant is filled inside the liquid cavity (26), and the inside of the air-permeable shell (22) is filled with water-absorbing silica gel.

6. The environmentally friendly VOCs waste gas treatment equipment according to claim 2 is characterized by: The tube wall of the cooling tube (24) is covered with a heat-insulating sleeve, the upper end of the cooling tube (24) is connected to the inside of the condensers (18) on both sides of the heat insulation board (19), the middle part of the heat dissipation recovery tube (23) has multiple bends, and the upper end of the heat dissipation recovery tube (23) is connected to the inside of the condenser (18) inside the heat insulation board (19).

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