Acid gas smoke purification treatment device

Abstract

The utility model discloses an acid gas smog purification treatment device which comprises a smog purification shell, a gas inlet is formed in the bottom of the smog purification shell, a gas dispersion seat is arranged at the gas inlet through a gas guide cover, and a first gas distribution film layer, a second gas distribution film layer and a third gas distribution film layer are arranged in the gas dispersion seat. A drainage channel is formed in the portion, on the outer side of the gas dispersion base, of the smoke purification shell, and a water return hole communicating with a liquid storage pool at the bottom of the smoke purification shell is formed in the side wall of the lower end of the drainage channel; the first gas distribution film layer, the second gas distribution film layer and the third gas distribution film layer are arranged in the gas dispersion seat, and the apertures of the film holes of the first gas distribution film layer, the second gas distribution film layer and the third gas distribution film layer are sequentially reduced, so that acid gas smoke can be uniformly dispersed, the acid gas smoke can be in full contact with spraying liquid, and the spraying efficiency is improved. Therefore, the purification efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of smoke purification equipment, in particular to an acid gas smoke purification treatment device. Background Art

[0002] Smog is used to refer to fog-like substances generated by industrial solid dust as condensation nuclei (such as London smog), or secondary pollutants generated by photochemical reactions of hydrocarbons and nitrogen oxides (such as Los Angeles photochemical smog). Smog is a mixture of multiple pollutants. With the development of society, enterprises will produce smog in the process of production and manufacturing.

[0003] The prior art discloses an acid gas fume neutralization and purification treatment device with application number 201922340365.X, which comprises a treatment box, the front side of which is fixedly connected to a box door by a hinge. The acid gas fume neutralization and purification treatment device, through the arrangement of a driving motor, a connecting rod, a first reaction layer, a second reaction layer and a cleaning rod, enables the device to continuously clean the surface of the reaction layer during the purification process, thereby avoiding blockage on the surface of the reaction layer and improving the treatment efficiency of the device. The arrangement of a supporting rod, a waterproof cover and a leak-proof pipe can prevent fallen alkaline water from falling into the air inlet pipe to avoid blockage, thereby further improving the efficiency of neutralization and purification. However, it is difficult to make the acid gas fume fully contact with the spray liquid, thereby affecting the purification efficiency, and it is not convenient to remove the slag from the filter screen of the reflux liquid. Utility Model Content

[0004] The utility model aims to provide an acid gas fume purification treatment device to solve the problems in the prior art that it is difficult to make the acid gas fume fully contact with the spray liquid, thereby affecting the purification efficiency and it is not convenient to remove the slag from the filter screen of the reflux liquid.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an acid gas fume purification treatment device, comprising a fume purification shell, an air inlet is provided at the bottom of the fume purification shell, an air guide hood is provided at one end of the air inlet, a gas dispersion seat is provided in the middle of the shell at one end of the air guide hood, a first air separation membrane layer, a second air separation membrane layer and a third air separation membrane layer are provided inside the gas dispersion seat, and the membrane pore diameters of the first air separation membrane layer, the second air separation membrane layer and the third air separation membrane layer decrease successively, and the third air separation membrane layer adopts an air-permeable and water-impermeable membrane, a spray pipe and an exhaust port are provided at the top of the fume purification shell, a drainage channel is provided on the fume purification shell outside the gas dispersion seat, a return water hole is provided on the lower end side wall of the drainage channel which is connected to a liquid storage tank at the bottom of the fume purification shell, and a filter is provided on the inner wall of the return water hole, and a slag removal mechanism is provided inside the drainage channel.

[0006] Furthermore, the spray pipe includes a plurality of annular spray pipes, a plurality of spray heads are provided on the lower side of the spray pipe, and one end of the plurality of annular spray pipes is connected to one side of the bottom of the liquid storage tank through a liquid infusion pipe and a water pump.

[0007] Furthermore, the gas dispersion seat is configured to be an inner hole truncated cone, and the first gas separation film layer, the second gas separation film layer and the third gas separation film layer are longitudinally fixed and bonded inside the gas dispersion seat in sequence.

[0008] Furthermore, there are gaps between the first gas-separating film layer, the second gas-separating film layer and the third gas-separating film layer, and the pore size of the film pores of the third gas-separating film layer is .μm.

[0009] Furthermore, the slag removal mechanism includes a longitudinal support rod longitudinally inserted into the inner wall of the drainage channel, a first scraper and a second scraper are fixed at the lower end of the longitudinal support rod, and one end of the longitudinal support rod is transmission-connected to an electric push rod fixed to the outside of the upper end of the smoke purification shell through a support seat.

[0010] Furthermore, the first scraper and the second scraper are both configured as arc-shaped scrapers, and a triangular scraper blade is provided at one end of the first scraper and the second scraper.

[0011] Furthermore, the distance between the first scraper and the second scraper is greater than the distance between the water return hole and the drainage channel, and a slag discharge port is provided at the lower end of the drainage channel.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model has a first air separation membrane layer, a second air separation membrane layer and a third air separation membrane layer inside a gas dispersion seat, and the membrane pore diameters of the first air separation membrane layer, the second air separation membrane layer and the third air separation membrane layer are reduced successively, so that the acid gas smoke can be evenly dispersed, and the acid gas smoke is facilitated to fully contact with the spray liquid, thereby facilitating the improvement of the purification efficiency, and the third air separation membrane layer adopts an air-permeable and water-impermeable membrane, so that the third air separation membrane layer can prevent the spray liquid from passing through the air separation membrane and mixing into the air inlet, effectively preventing the spray liquid from entering the air guide hood and causing blockage of the air inlet.

[0014] The utility model provides a drainage channel on the smoke purification shell outside the gas dispersion seat, and the side wall at the lower end of the drainage channel is provided with a return hole connected with the liquid storage tank at the bottom of the smoke purification shell, and the inner wall of the return hole is provided with a filter net, so that the spray purified liquid can be returned to the liquid storage tank through the drainage channel, which is convenient for the reuse of the spray liquid.

[0015] The utility model provides a slag removal mechanism inside the drainage channel, the slag removal mechanism includes a longitudinal support rod longitudinally inserted into the inner wall of the drainage channel, a first scraper and a second scraper are fixedly provided at the lower end of the longitudinal support rod, one end of the longitudinal support rod is transmission-connected to an electric push rod fixed to the outside of the upper end of the smoke purification shell through a support seat, so that the longitudinal support rod, the first scraper and the second scraper are driven to rise and fall by the electric push rod, thereby being able to scrape dust off the outside of the filter screen to prevent the filter screen from being clogged and affecting the liquid reflux efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

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

[0018] Figure 2 This is a front view of the internal structure of the smoke purification housing of the utility model;

[0019] Figure 3 This is a schematic diagram of the scraper structure of the utility model.

[0020] In the figure: 1. smoke purification shell; 2. air inlet; 3. air guide hood; 4. exhaust port; 5. gas dispersion seat; 6. first air separation film layer; 7. second air separation film layer; 8. third air separation film layer; 9. spray pipe; 10. spray head; 11. infusion pipe; 12. water pump; 13. liquid storage tank; 14. drainage channel; 15. longitudinal support rod; 16. filter screen; 17. return water hole; 18. slag discharge port; 19. first scraper; 20. second scraper; 21. electric push rod; 22. support seat. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 , Figure 2 , Figure 3In an embodiment of the utility model, an acid gas fume purification treatment device comprises a fume purification shell 1, an air inlet 2 is arranged at the bottom of the fume purification shell 1, an air guide hood 3 is arranged at one end of the air inlet 2, a gas dispersion seat 5 is arranged in the middle of the shell at one end of the air guide hood 3, a first gas separation film layer 6, a second gas separation film layer 7 and a third gas separation film layer 8 are arranged inside the gas dispersion seat 5, the gas dispersion seat 5 is arranged in an inner hole truncated cone shape, and the first gas separation film layer 6, the second gas separation film layer 7 and the third gas separation film layer 8 are longitudinally fixed and bonded in sequence inside the gas dispersion seat 5, and the apertures of the membrane holes of the first gas separation film layer 6, the second gas separation film layer 7 and the third gas separation film layer 8 are reduced in sequence, and the third gas separation film layer 8 adopts an air-permeable and water-impermeable film, so that the acid gas fume can be evenly dispersed, which is convenient for the acid gas fume to be separated from the spray liquid The air inlet 2 is blocked by the spray pipe 9 and the exhaust port 4 is provided on the top of the smoke purification shell 1. The spray pipe 9 includes a plurality of annular nozzles for spraying alkaline liquid to remove the acid gas of smoke purification. A plurality of spray heads 10 are provided on the lower side of the spray pipe 9, and one end of the plurality of annular nozzles is connected to the bottom side of the liquid storage tank 13 through an infusion pipe 11 and a water pump 12, so as to facilitate the discharge of the smoke after spraying and purification.

[0023] like Figure 2 As shown, in order to realize the reuse of the spray liquid, a drainage channel 14 is provided on the smoke purification shell 1 outside the gas dispersion seat 5, and the side wall of the lower end of the drainage channel 14 is provided with a return hole 17 connected to the liquid storage tank 13 at the bottom of the smoke purification shell 1, and the inner wall of the return hole 17 is provided with a filter screen 16, so that the spray-purified liquid can be returned to the liquid storage tank 13 through the drainage channel 14, which is convenient for the reuse of the spray liquid.

[0024] like Figure 2 and Figure 3As shown, in order to scrape and remove dust from the outside of the filter 16, a slag removal mechanism is provided inside the drainage channel 14, and the slag removal mechanism includes a longitudinal support rod 15 longitudinally inserted into the inner wall of the drainage channel 14, and a first scraper 19 and a second scraper 20 are fixedly provided at the lower end of the longitudinal support rod 15. One end of the longitudinal support rod 15 is transmission-connected to an electric push rod 21 fixed to the outside of the upper end of the smoke purification housing 1 through a support seat 22, so that the longitudinal support rod 15, the first scraper 19 and the second scraper 20 are driven by the electric push rod 21 to lift and lower the longitudinal support rod 15, so that the outside of the filter 16 can be scraped to prevent the filter from being blocked and affecting the liquid reflux efficiency. The first scraper 19 and the second scraper 20 are both configured as arc scrapers, and one end of the first scraper 19 and the second scraper 20 is provided with a triangular scraper, so that the scraper can be close to the filter 16 and the outer wall of the smoke purification housing 1, which is beneficial to improve the sealing of the sliding connection between the first scraper 19 and the second scraper 20 and the smoke purification housing, prevent water leakage and air leakage, and further improve the efficiency of scraping and removing dust.

[0025] like Figure 2 As shown, in order to prevent water from being discharged from the slag discharge port 18 during slag discharge, the distance between the first scraper 19 and the second scraper 20 is greater than the distance between the return hole 17 and the drainage channel 14. The first scraper 19 is arranged on the upper part of the second scraper 20, and is used to seal the drainage channel 14 when the second scraper 20 moves downward to discharge slag, so as to prevent water from being discharged from the slag discharge port 18. The slag discharge port 18 is provided at the lower end of the drainage channel 14 to facilitate slag discharge.

[0026] The working principle and use process of the utility model are as follows: when in use, the acid gas smoke enters the bottom of the smoke purification shell 1 from the air inlet 2, is dispersed by the gas dispersion seat 5, and then contacts with the spray liquid for purification, and is finally discharged from the exhaust port 4. Moreover, since the gas dispersion seat 5 is provided with a first gas separation membrane layer 6, a second gas separation membrane layer 7 and a third gas separation membrane layer 8, and the membrane pore diameters of the first gas separation membrane layer 6, the second gas separation membrane layer 7 and the third gas separation membrane layer 8 are successively reduced, the acid gas smoke can be evenly dispersed, which is convenient for the acid gas smoke to fully contact with the spray liquid, thereby facilitating the improvement of the purification efficiency. Moreover, the third gas separation membrane layer 8 adopts an air-permeable and water-impermeable membrane, which can prevent the spray liquid from passing through the gas separation membrane and mixing into the air inlet 2, and effectively avoids the spray liquid from entering the air guide cover 3 and accumulating to cause the air inlet 2 to be blocked.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An acid gas fume purification treatment device, comprising a fume purification housing (1), characterized in that: The smoke purification housing (1) has an air inlet (2) at the bottom thereof, an air guide cover (3) at one end thereof, a gas dispersion seat (5) at the middle of the housing at one end thereof, a first gas separation membrane layer (6), a second gas separation membrane layer (7) and a third gas separation membrane layer (8) arranged inside the gas dispersion seat (5), and the membrane pores of the first gas separation membrane layer (6), the second gas separation membrane layer (7) and the third gas separation membrane layer (8) decrease in size in sequence, and the third gas separation membrane layer (8) has a gas dispersion seat (5) arranged inside the housing. (8) A breathable and water-impermeable membrane is used, a spray pipe (9) and an exhaust port (4) are provided at the top of the smoke purification housing (1), a drainage channel (14) is provided on the smoke purification housing (1) outside the gas dispersion seat (5), a return hole (17) is provided on the side wall at the lower end of the drainage channel (14) and is connected to the liquid storage tank (13) at the bottom of the smoke purification housing (1), and a filter screen (16) is provided on the inner wall of the return hole (17), and a slag removal mechanism is provided inside the drainage channel (14).

2. The acid gas fume purification treatment device according to claim 1, characterized in that: The spray pipe (9) comprises a plurality of annular spray pipes, a plurality of spray heads (10) are provided on the lower side of the spray pipe (9), and one end of the plurality of annular spray pipes is connected to one side of the bottom of the liquid storage tank (13) through a liquid infusion pipe (11) and a water pump (12).

3. The acid gas fume purification treatment device according to claim 1, characterized in that: The gas dispersion seat (5) is configured to be an inner hole truncated cone, and the first gas separation film layer (6), the second gas separation film layer (7) and the third gas separation film layer (8) are longitudinally fixedly bonded in sequence inside the gas dispersion seat (5).

4. The acid gas fume purification treatment device according to claim 3, characterized in that: There are gaps between the first gas separation film layer (6), the second gas separation film layer (7) and the third gas separation film layer (8), and the pore diameter of the film pores of the third gas separation film layer (8) is 0.02 μm.

5. The acid gas fume purification treatment device according to claim 1, characterized in that: The slag removal mechanism comprises a longitudinal support rod (15) longitudinally inserted into the inner wall of the drainage channel (14), a first scraper (19) and a second scraper (20) being fixedly provided at the lower end of the longitudinal support rod (15), and one end of the longitudinal support rod (15) being transmission-connected to an electric push rod (21) fixed to the outside of the upper end of the smoke purification housing (1) via a support seat (22).

6. The acid gas fume purification treatment device according to claim 5, characterized in that: The first scraper (19) and the second scraper (20) are both configured as arc-shaped scrapers, and a triangular scraper blade is provided at one end of the first scraper (19) and the second scraper (20).

7. The acid gas fume purification treatment device according to claim 5, characterized in that: The distance between the first scraper (19) and the second scraper (20) is greater than the distance between the water return hole (17) and the drainage channel (14), and a slag discharge port (18) is provided at the lower end of the drainage channel (14).

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