Waste gas desulfurization device

Abstract

The utility model relates to the technical field of waste gas desulfurization, in particular to a waste gas desulfurization device, and provides the following scheme aiming at the problems that an existing waste gas desulfurization device usually cannot enable spraying liquid to be in full contact with sulfurized gas in waste gas and cannot automatically clean impurities with high adhesion on a filter screen. The desulfurization tower comprises a desulfurization tower shell and a plurality of spray heads, the spraying liquid storage tank is fixedly arranged on the desulfurizing tower shell, the desulfurizing tower shell is fixedly connected with an air inlet pipe and an exhaust pipe, the desulfurizing tower shell is fixedly connected with a motor, an output shaft of the motor is fixedly connected with a transmission rod, the desulfurizing tower shell is provided with a water outlet, and the desulfurizing tower shell is fixedly connected with a first annular plate and a second annular plate; the transmission pipe drives the supporting frame and the spraying head to rotate, so that vulcanization gas in waste gas is more fully combined with spraying liquid, and the brush is matched with the filter screen, so that impurities, dust and the like adhered to the filter screen are cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas desulfurization, in particular to a waste gas desulfurization device. Background Art

[0002] Waste gas purification mainly refers to industrial waste gas generated in industrial sites, such as dust particles, flue gas, odorous gases, and toxic and harmful gases. Industrial waste gas usually contains a large amount of sulfur. If it is directly discharged without being filtered, it will cause air pollution and seriously affect life safety.

[0003] The patent document with the publication number CN214415890U discloses a waste gas desulfurization device, a waste gas desulfurization device, including a desulfurization tower shell, a top cover is arranged on the top of the desulfurization tower shell, a slideway is arranged on the left side of the desulfurization tower shell, a circular groove is arranged at the center of the top cover, a water valve is arranged at the upper end of the circular groove, a lifting structure is arranged on the right side of the water valve, a first water pipe is arranged at the bottom of the water valve, and a second water pipe is arranged at the lower end of the first water pipe. The waste gas desulfurization device allows water to enter the connecting pipe and start the spray head to spray water and wash, and the impurities adhering to the first filter net are washed away by the impact of water, and the first motor is started to drive the first filter net to rotate, which is used to prevent the deviation of the first filter net from causing holes when rotating, and prevent the normal desulfurization filtration from being unable to be performed during the later desulfurization. The filter net is cleaned in this way, the cleaning efficiency is improved, and the filter net is prevented from being damaged by the influence of high-pressure water.

[0004] The existing waste gas desulfurization device usually cannot make the spray liquid fully contact with the sulfide gas in the waste gas, and cannot automatically clean the impurities with strong adhesion on the filter screen, so we propose a waste gas desulfurization device. Utility Model Content

[0005] In order to improve the problem that the existing waste gas desulfurization device usually cannot make the spray liquid fully contact with the sulfide gas in the waste gas and cannot automatically clean the impurities with strong adhesion on the filter screen, the present application provides a waste gas desulfurization device.

[0006] The exhaust gas desulfurization device provided in this application adopts the following technical solution:

[0007] A waste gas desulfurization device, comprising:

[0008] Scrubber shell and multiple spray heads;

[0009] A spray liquid storage tank is fixedly arranged on the desulfurization tower shell, an air inlet pipe and an exhaust pipe are fixedly connected to the desulfurization tower shell, a motor is fixedly connected to the desulfurization tower shell, a transmission rod is fixedly connected to the output shaft of the motor, a drain port is opened on the desulfurization tower shell, a first annular plate and a second annular plate are fixedly connected to the desulfurization tower shell, a filter is fixedly connected to the second annular plate, and a water retaining net is fixedly connected to the desulfurization tower shell;

[0010] A rotating mechanism, disposed on the desulfurization tower shell and the first annular plate, for driving the spray head to rotate;

[0011] The cleaning mechanism is arranged on the second annular plate and is used for cleaning the impurities with strong adhesion on the filter screen.

[0012] Preferably, the rotating mechanism includes a transmission pipe and a support frame, the transmission pipe is rotatably connected to the desulfurization tower shell, the support frame is rotatably connected to the first annular plate, and the transmission pipe is fixedly connected to the support frame.

[0013] Preferably, the cleaning mechanism comprises a large toothed ring and a brush, the large toothed ring is rotatably connected to the second annular plate, the brush is fixedly connected to the large toothed ring, and the brush cooperates with the filter.

[0014] Preferably, a liquid pump is fixedly connected to the spray liquid storage box, the liquid pump is rotatably connected to a transmission pipe, the plurality of spray heads are fixedly connected to a support frame, and the transmission pipe is communicated with the plurality of spray heads.

[0015] Preferably, a first gear is fixedly connected to the transmission rod, a large gear is fixedly connected to the transmission tube, and the first gear is meshingly connected to the large gear.

[0016] Preferably, a second gear is fixedly connected to the transmission rod, and the second gear is meshingly connected to the large gear ring.

[0017] In summary, the present application includes at least one of the following beneficial technical effects:

[0018] 1. By setting up a large gear and a transmission pipe, the large gear drives the transmission pipe to rotate, and the transmission pipe drives the support frame and the spray head to rotate, so that the sulfide gas in the exhaust gas and the spray liquid can be more fully combined;

[0019] 2. By setting up a large tooth ring and a brush, the large tooth ring drives the brush to rotate, and the brush cooperates with the filter screen to clean the impurities and dust adhering to the filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of a waste gas desulfurization device proposed by the utility model;

[0021] Figure 2 This is a schematic diagram of the connection structure between a support frame and a first annular plate of a waste gas desulfurization device proposed by the utility model;

[0022] Figure 3 This is a schematic diagram of the connection structure between the first gear and the large gear ring of an exhaust gas desulfurization device proposed by the utility model.

[0023] Figure numerals: 1. desulfurization tower shell; 2. motor; 3. spray liquid storage tank; 4. liquid pump; 5. transmission rod; 6. transmission pipe; 7. first gear; 8. large gear; 9. second gear; 10. large gear ring; 11. brush; 12. air inlet pipe; 13. exhaust pipe; 14. water retaining net; 15. first annular plate; 16. support frame; 17. spray head; 18. second annular plate; 19. filter; 20. drain outlet. DETAILED DESCRIPTION

[0024] The following is combined with Figure 1-3 This application is described in further detail.

[0025] Embodiment 1

[0026] Reference Figure 1-Figure 3 , a waste gas desulfurization device, comprising:

[0027] A desulfurization tower shell 1 and a plurality of spray heads 17;

[0028] The spray liquid storage tank 3 is fixedly arranged on the desulfurization tower shell 1, the desulfurization tower shell 1 is fixedly connected with an air inlet pipe 12 and an exhaust pipe 13, the desulfurization tower shell 1 is fixedly connected with a motor 2, the output shaft of the motor 2 is fixedly connected with a transmission rod 5, the desulfurization tower shell 1 is provided with a drain port 20, the desulfurization tower shell 1 is fixedly connected with a first annular plate 15 and a second annular plate 18, the second annular plate 18 is fixedly connected with a filter screen 19, and the desulfurization tower shell 1 is fixedly connected with a water retaining net 14;

[0029] The rotating mechanism is arranged on the desulfurization tower shell 1 and the first annular plate 15, and is used to drive the spray head 17 to rotate;

[0030] The cleaning mechanism is arranged on the second annular plate 18 and is used to clean the impurities with strong adhesion on the filter screen 19 .

[0031] In this embodiment, the rotating mechanism includes a transmission pipe 6 and a support frame 16 . The transmission pipe 6 is rotationally connected to the desulfurization tower shell 1 . The support frame 16 is rotationally connected to the first annular plate 15 . The transmission pipe 6 is fixedly connected to the support frame 16 .

[0032] In this embodiment, the cleaning mechanism includes a large toothed ring 10 and a brush 11 . The large toothed ring 10 is rotatably connected to the second annular plate 18 , and the brush 11 is fixedly connected to the large toothed ring 10 . The brush 11 cooperates with the filter screen 19 .

[0033] In this embodiment, a liquid pump 4 is fixedly connected to the spray liquid storage box 3, the liquid pump 4 is rotatably connected to the transmission pipe 6, a plurality of spray heads 17 are fixedly connected to the support frame 16, and the transmission pipe 6 is communicated with the plurality of spray heads 17.

[0034] In this embodiment, a first gear 7 is fixedly connected to the transmission rod 5, a large gear 8 is fixedly connected to the transmission tube 6, the first gear 7 is meshed with the large gear 8, a second gear 9 is fixedly connected to the transmission rod 5, and the second gear 9 is meshed with the large gear ring 10.

[0035] The implementation principle of a waste gas desulfurization device in an embodiment of the present application is as follows: when waste gas is introduced into the intake pipe 12, the switches of the liquid pump 4 and the motor 2 are started, the liquid pump 4 pumps the spray liquid in the spray liquid storage tank 3 into the transmission pipe 6, and sprays it out through the spray head 17, the output shaft of the motor 2 drives the transmission rod 5 to rotate, the transmission rod 5 drives the first gear 7 and the second gear 9 to rotate, the first gear 7 drives the large gear 8 to rotate through the meshing connection with the large gear 8, the large gear 8 drives the transmission pipe 6 to rotate, the transmission pipe 6 drives the support frame 16 and the spray head 17 to rotate, so that the sulfide gas in the waste gas is more fully combined with the spray liquid, and at the same time, the second gear 9 drives the large gear ring 10 to rotate through the meshing connection with the large gear ring 10, the large gear ring 10 drives the brush 11 to rotate, and the brush 11 cooperates with the filter screen 19, so that impurities and dust adhering to the filter screen 19 are cleaned, so as to avoid the impurities adhering to the filter screen 19 being unable to be cleaned by the impact of the spray liquid when impurities with strong adhesion appear.

[0036] Embodiment 2

[0037] The difference between the second embodiment and the first embodiment is that a mud-water separation mechanism is provided on the drain outlet 20, so that the dust and sulfide gas in the exhaust gas can be separated after they are integrated into the spray liquid.

[0038] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A waste gas desulfurization device, characterized in that: include: A desulfurization tower shell (1) and a plurality of spray heads (17); A spray liquid storage tank (3) is fixedly arranged on a desulfurization tower shell (1); an air intake pipe (12) and an exhaust pipe (13) are fixedly connected to the desulfurization tower shell (1); a motor (2) is fixedly connected to the desulfurization tower shell (1); a transmission rod (5) is fixedly connected to the output shaft of the motor (2); a water outlet (20) is provided on the desulfurization tower shell (1); a first annular plate (15) and a second annular plate (18) are fixedly connected to the desulfurization tower shell (1); a filter screen (19) is fixedly connected to the second annular plate (18); and a water retaining net (14) is fixedly connected to the desulfurization tower shell (1); A rotating mechanism, arranged on the desulfurization tower shell (1) and the first annular plate (15), and used for driving the spray head (17) to rotate; The cleaning mechanism is arranged on the second annular plate (18) and is used to clean the impurities with strong adhesion on the filter screen (19).

2. A waste gas desulfurization device according to claim 1, characterized in that: The rotating mechanism comprises a transmission pipe (6) and a support frame (16); the transmission pipe (6) is rotationally connected to the desulfurization tower shell (1); the support frame (16) is rotationally connected to the first annular plate (15); and the transmission pipe (6) is fixedly connected to the support frame (16).

3. A waste gas desulfurization device according to claim 2, characterized in that: The cleaning mechanism comprises a large toothed ring (10) and a brush (11); the large toothed ring (10) is rotatably connected to the second annular plate (18); the brush (11) is fixedly connected to the large toothed ring (10); and the brush (11) cooperates with the filter screen (19).

4. A waste gas desulfurization device according to claim 3, characterized in that: A liquid pump (4) is fixedly connected to the spray liquid storage box (3), and the liquid pump (4) is rotatably connected to the transmission pipe (6). The plurality of spray heads (17) are fixedly connected to the support frame (16), and the transmission pipe (6) is in communication with the plurality of spray heads (17).

5. A waste gas desulfurization device according to claim 4, characterized in that: The transmission rod (5) is fixedly connected with a first gear (7), the transmission tube (6) is fixedly connected with a large gear (8), and the first gear (7) is meshingly connected with the large gear (8).

6. A waste gas desulfurization device according to claim 5, characterized in that: A second gear (9) is fixedly connected to the transmission rod (5), and the second gear (9) is meshingly connected to the large gear ring (10).

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