Multi-stage reaction type industrial waste gas desulfurization device

Abstract

The utility model relates to the technical field of industrial waste gas desulfurization devices, in particular to a multistage reaction type industrial waste gas desulfurization device which comprises a filter box, a first-stage desulfurization box, a second-stage desulfurization tower, a gas inlet mechanism, a stirring mechanism and a cleaning mechanism, a first gas inlet pipe is arranged on the filter box in a communicated mode, and a filter plate is fixedly arranged in the filter box; the first-stage desulfurization box is fixedly arranged on the filter box, a water tank is formed in the inner bottom wall of the first-stage desulfurization box and filled with an absorbent, the second-stage desulfurization tower is arranged on one side of the filter box, a second air inlet pipe is arranged between the second-stage desulfurization tower and the first-stage desulfurization box, and the air inlet mechanism is arranged in the first-stage desulfurization box. The first-stage desulfurization tank is arranged in the filter tank and used for introducing filtered air in the filter tank into the water tank, the stirring mechanism is arranged in the first-stage desulfurization tank and used for stirring an absorbent in the water tank, and by means of the technical scheme, the problem that residual impurities in industrial waste gas in related technologies easily affect the desulfurization efficiency is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial waste gas desulfurization device technical field, concretely relates to a multistage reaction formula industrial waste gas desulfurization device. BACKGROUND

[0002] The multistage reaction formula industrial waste gas desulfurization device is a kind of equipment for processing sulfur oxides such as sulfur dioxide in industrial waste gas, improves desulfurization efficiency by multiple reaction stages, reduces the emission of sulfur in waste gas, reduces the pollution to environment.

[0003] The working principle of the multistage reaction formula industrial waste gas desulfurization device is as follows: waste gas first enters the first-stage reaction tower, and preliminarily reacts with weakly basic absorbent, most of the sulfur dioxide is absorbed to generate sulfite, and the waste gas after first-stage reaction enters subsequent reaction towers for further reaction with absorbent of different concentrations or properties, so that the sulfur dioxide not completely absorbed is continuously absorbed, and part of the sulfite is oxidized to sulfate, and the purified waste gas is discharged into the atmosphere through chimney.

[0004] However, the industrial waste gas also contains certain impurities and smoke dust, and the impurities entering the absorbent content can affect the reaction between the absorbent and sulfide, thereby affecting the desulfurization efficiency of the industrial waste gas. UTILITY MODEL CONTENT

[0005] The utility model provides a multistage reaction formula industrial waste gas desulfurization device, solve the problem that the impurities remaining in the industrial waste gas in relevant technology can easily affect desulfurization efficiency.

[0006] The technical scheme of the utility model is as follows: a multistage reaction formula industrial waste gas desulfurization device, comprising a filter box, a first-stage desulfurization tank, a second-stage desulfurization tower, an air inlet mechanism, a stirring mechanism and a cleaning mechanism.

[0007] A first air inlet pipe is communicatively arranged on the filter box, a filter plate is fixedly arranged in the filter box, the first-stage desulfurization tank is fixedly arranged on the filter box, a water groove is formed in the inner bottom wall of the first-stage desulfurization tank, an absorbent is filled in the water groove, the second-stage desulfurization tower is arranged on one side of the filter box, a second air inlet pipe is arranged between the second-stage desulfurization tower and the first-stage desulfurization tank, the air inlet mechanism is arranged in the first-stage desulfurization tank, for introducing the filtered air in the filter box into the water groove, the stirring mechanism is arranged in the first-stage desulfurization tank, for stirring the absorbent in the water groove, and the cleaning mechanism is arranged in the filter box, for cleaning the filter plate.

[0008] Preferably, the air inlet mechanism comprises:

[0009] A support frame is fixedly arranged on the first-stage desulfurization tank.

[0010] a support pipe, which is rotatably arranged on the support frame and extends into the water tank through the sidewall of the first desulfurization tank;

[0011] an air inlet assembly, which is arranged on the support pipe and used for blowing industrial waste gas into the water tank;

[0012] a third air inlet pipe, which is arranged in communication between the filter tank and the support pipe;

[0013] a first rotating mechanism, which is arranged on the support frame and used for driving the support pipe to rotate.

[0014] Further, the air inlet assembly comprises:

[0015] a fourth air inlet pipe, a plurality of fourth air inlet pipes are arranged in communication with the sidewall of the support pipe, and the fourth air inlet pipes are sealed at the side away from the support pipe;

[0016] an air inlet nozzle, a plurality of air inlet nozzles are arranged in communication with the sidewall of the fourth air inlet pipe away from the support frame.

[0017] Still further, the first rotating mechanism comprises:

[0018] a first tooth ring, which is fixedly arranged on the support pipe;

[0019] a first gear, which is rotatably arranged on the support frame and engaged with the first tooth ring;

[0020] a first motor, which is fixedly arranged on the support frame and has an output end fixedly connected with the first gear.

[0021] Still further, the stirring mechanism comprises:

[0022] a stirring pipe, which is sleeved on the support pipe and rotatably connected with the inner top wall of the first desulfurization tank;

[0023] a stirring rod, a plurality of stirring rods are fixedly arranged on the sidewall of the stirring pipe;

[0024] a second rotating mechanism, which is arranged on the first desulfurization tank and used for driving the stirring pipe to rotate.

[0025] On the basis of the above scheme, the second rotating mechanism comprises:

[0026] a second tooth ring, which is fixedly arranged on the stirring pipe;

[0027] A second gear is rotationally arranged on the inner top wall of the first desulfurization tank, and the second gear is engaged with the second tooth ring.

[0028] A second motor is fixedly arranged on the first desulfurization tank, and the output end of the second motor is fixedly connected with the second gear.

[0029] On the basis of the above scheme, the secondary desulfurization tower is fixedly provided with a filler, the secondary desulfurization tower is fixedly provided with a fixed pipe, a plurality of atomizing nozzles are communicatively arranged on the fixed pipe, and a liquid inlet pipe is fixedly arranged on the side wall of the secondary desulfurization tower and communicates with the atomizing nozzles.

[0030] On the basis of the above scheme, the cleaning mechanism comprises:

[0031] A cleaning column is rotationally arranged in the filter box, and the cleaning column is fixedly connected with the support pipe through the inner top wall of the filter box.

[0032] A plurality of cleaning plates are fixedly arranged on the side wall of the cleaning column, and cleaning bristles are uniformly distributed on the cleaning plates and in contact with the filter plates.

[0033] On the basis of the above scheme, a plurality of piercing rods are fixedly arranged on the side wall of the stirring rod.

[0034] On the basis of the above scheme, the third air inlet pipe is a plastic hose.

[0035] The working principle and beneficial effects of the utility model are as follows:

[0036] 1. In the utility model, the filter plate is arranged to facilitate filtering of industrial waste gas, thereby avoiding the influence of impurities in the industrial waste gas on the desulfurization efficiency of the industrial waste gas.

[0037] 2. In the utility model, the filtered industrial waste gas can be introduced into the support pipe through the third air inlet pipe, and the industrial waste gas can be introduced into the absorbent in the water tank through the fourth air inlet pipe and the air inlet nozzle. The working of the first motor can drive the first gear to rotate, and the engagement of the first gear and the first tooth ring can drive the support pipe to rotate, thereby adjusting the position of the fourth air inlet pipe and the air inlet nozzle, improving the uniformity of the distribution of the industrial waste gas in the absorbent, and improving the purification efficiency of the absorbent for the industrial waste gas.

[0038] 3. The utility model discloses, through the setting of stirring mechanism, it is convenient to drive second gear to rotate through the work of second motor, simultaneously through the meshing of second gear and second gear ring drive stirring pipe to rotate, thereby make stirring rod and puncture pole move around stirring pipe, thereby can through stirring rod and puncture pole to the bubble in the absorption agent of puncture of absorption agent stirring simultaneously, thereby further improve the contact effect of absorption agent and industrial waste gas, thereby further improve the purification efficiency of absorption agent to industrial waste gas;

[0039] 4. The utility model discloses, through the setting of cleaning mechanism, the rotation of support pipe can drive cleaning column to rotate, thereby can drive cleaning board and cleaning brush hair to clean filter plate, thereby improve the filtration effect of filter plate to industrial waste gas;

[0040] 5. The utility model discloses, through the setting of atomizing nozzle and filler, it is convenient to spray absorption agent to filler through atomizing nozzle, thereby further improve the desulfurization effect of industrial waste gas;

[0041] 6. The utility model discloses, through the setting of filter box, primary desulfurization tank, secondary desulfurization tower, air inlet mechanism, stirring mechanism and cleaning mechanism, it is convenient to realize the filtration of industrial waste gas through the cooperation of filter plate and cleaning mechanism, thereby solve the problem of related art in the impurity of industrial waste gas remaining easily cause the influence of desulfurization efficiency. ACCURACY

[0042] The utility model will be explained further in detail below in combination with the attached drawing and specific embodiment.

[0043] Figure 1 It is the structure schematic diagram of the utility model;

[0044] Figure 2 It is the sectional structure schematic diagram of the utility model;

[0045] Figure 3 It is the sectional structure schematic diagram of filter box of the utility model;

[0046] Figure 4 It is the sectional structure schematic diagram of stirring mechanism of the utility model.

[0047] In the drawing: 1, filter box;2, first air inlet pipe;3, primary desulfurization tank;4, water tank;5, secondary desulfurization tower;6, second air inlet pipe;7, support frame;8, support pipe;9, third air inlet pipe;10, fourth air inlet pipe;11, first gear ring;12, first gear;13, first motor;14, stirring pipe;15, stirring rod;16, second gear ring;17, second gear;18, second motor;19, filler;20, liquid inlet pipe;21, cleaning column;22, cleaning board. Specific embodiment

[0048] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor are involved in the protection scope of the utility model.

[0049] As Figures 1-4 shown, the embodiment proposes a multi-stage reaction type industrial waste gas desulfurization device, including filter box 1, primary desulfurization tank 3, secondary desulfurization tower 5, air inlet mechanism, stirring mechanism and cleaning mechanism, the first air inlet pipe 2 is communicated and arranged on the filter box 1, the filter plate is fixedly arranged in the filter box 1, the primary desulfurization tank 3 is fixedly arranged on the filter box 1, the inner bottom wall of the primary desulfurization tank 3 is provided with water groove 4, the water groove 4 is filled with absorbent, the secondary desulfurization tower 5 is arranged on one side of the filter box 1, the second air inlet pipe 6 is arranged between the secondary desulfurization tower 5 and the primary desulfurization tank 3, the air inlet mechanism is arranged in the primary desulfurization tank 3, for the filtered air in the filter box 1 is introduced into the water groove 4, the stirring mechanism is arranged in the primary desulfurization tank 3, for the absorbent in the water groove 4 is stirred, the cleaning mechanism is arranged in the filter box 1, for the filter plate is cleaned.

[0050] Referring to Figures 1-4The air inlet mechanism comprises a support frame 7, a support pipe 8, an air inlet assembly, a third air inlet pipe 9 and a first rotating mechanism. The support frame 7 is fixedly arranged on the first desulfurization tank 3. The support pipe 8 is rotatably arranged on the support frame 7. The support pipe 8 penetrates through the sidewall of the first desulfurization tank 3 and extends into the water tank 4. The air inlet assembly is arranged on the support pipe 8 and used for blowing industrial waste gas into the water tank 4. The third air inlet pipe 9 is communicatively arranged between the filter tank 1 and the support pipe 8. The first rotating mechanism is arranged on the support frame 7 and used for driving the support pipe 8 to rotate. The air inlet assembly comprises a fourth air inlet pipe 10 and an air inlet nozzle. The sidewall of the support pipe 8 is communicatively provided with a plurality of fourth air inlet pipes 10. The fourth air inlet pipe 10 is sealed at an end away from the support pipe 8. The sidewall of the fourth air inlet pipe 10 away from the support frame 7 is communicatively provided with a plurality of air inlet nozzles. The first rotating mechanism comprises a first tooth ring 11, a first gear 12 and a first motor 13. The first tooth ring 11 is fixedly arranged on the support pipe 8. The first gear 12 is rotatably arranged on the support frame 7. The first gear 12 is engaged with the first tooth ring 11. The first motor 13 is fixedly arranged on the support frame 7. The output end of the first motor 13 is fixedly connected with the first gear 12. The third air inlet pipe 9 is made of a plastic hose. The filtered industrial waste gas can be introduced into the support pipe 8 through the third air inlet pipe 9, and then the industrial waste gas can be introduced into the absorbent in the water tank 4 through the fourth air inlet pipe 10 and the air inlet nozzle. At the same time, the operation of the first motor 13 can drive the first gear 12 to rotate. At the same time, the engagement of the first gear 12 and the first tooth ring 11 can drive the support pipe 8 to rotate, so as to drive the fourth air inlet pipe 10 and the air inlet nozzle to adjust the position, thereby improving the uniformity of the distribution of the industrial waste gas in the absorbent, and improving the purification efficiency of the absorbent for the industrial waste gas.

[0051] With reference to Figures 2-4The stirring mechanism comprises a stirring pipe 14, stirring rods 15 and a second rotating mechanism. The stirring pipe 14 is sleeved on the supporting pipe 8 and is rotationally connected to the inner top wall of the primary desulfurization tank 3. The side wall of the stirring pipe 14 is fixedly provided with a plurality of stirring rods 15. The second rotating mechanism is arranged on the primary desulfurization tank 3 and is used for driving the stirring pipe 14 to rotate. The second rotating mechanism comprises a second gear ring 16, a second gear 17 and a second motor 18. The second gear ring 16 is fixedly arranged on the stirring pipe 14. The second gear 17 is rotationally arranged on the inner top wall of the primary desulfurization tank 3 and is engaged with the second gear ring 16. The second motor 18 is fixedly arranged on the primary desulfurization tank 3 and is fixedly connected with the second gear 17 at the output end. The side wall of the stirring rod 15 is fixedly provided with a plurality of piercing rods. The second motor 18 can drive the second gear 17 to rotate, and the second gear 17 and the second gear ring 16 are engaged to drive the stirring pipe 14 to rotate, so that the stirring rod 15 and the piercing rod move around the stirring pipe 14. Therefore, the stirring rod 15 and the piercing rod can stir the absorbent and pierce the bubbles in the absorbent at the same time, so as to further improve the contact effect of the absorbent and the industrial waste gas and further improve the purification efficiency of the absorbent on the industrial waste gas.

[0052] With reference to Figure 2 The secondary desulfurization tower 5 is fixedly provided with a filler 19 and a fixed pipe. A plurality of atomizing nozzles are communicatively arranged on the fixed pipe. The secondary desulfurization tower 5 is fixedly provided with a liquid inlet pipe 20. The liquid inlet pipe 20 is in communication with the atomizing nozzles. The atomizing nozzles can spray the absorbent into the filler 19, so as to further improve the desulfurization effect of the industrial waste gas.

[0053] With reference to Figure 3 And Figure 4 The cleaning mechanism comprises a cleaning column 21 and a plurality of cleaning plates 22. The cleaning column 21 is rotationally arranged in the filter tank 1 and is fixedly connected with the supporting pipe 8 through the inner top wall of the filter tank 1. The side wall of the cleaning column 21 is fixedly provided with a plurality of cleaning plates 22. The cleaning plates 22 are uniformly provided with cleaning bristles. The cleaning bristles are in contact with the filter plate. The rotation of the supporting pipe 8 can drive the cleaning column 21 to rotate, so as to drive the cleaning plates 22 and the cleaning bristles to clean the filter plate, thereby improving the filtering effect of the filter plate on the industrial waste gas.

[0054] In use, the operator adds industrial waste gas into the filter box 1 through the first air inlet pipe 2, so that the industrial waste gas can be filtered by the filter plate, and then the filtered industrial waste gas can be introduced into the support pipe 8 through the third air inlet pipe 9, and then the industrial waste gas can be introduced into the absorbent in the water tank 4 through the fourth air inlet pipe 10 and the air inlet nozzle, while the operation of the first motor 13 can drive the first gear 12 to rotate, and the meshing of the first gear 12 and the first tooth ring 11 can drive the support pipe 8 to rotate, so as to drive the fourth air inlet pipe 10 and the air inlet nozzle to adjust the position, thereby improving the uniformity of the distribution of the industrial waste gas in the absorbent, thereby improving the purification efficiency of the absorbent for the industrial waste gas, while the operator controls the operation of the second motor 18, which can drive the second gear 17 to rotate through the operation of the second motor 18, and the meshing of the second gear 17 and the second tooth ring 16 drives the stirring pipe 14 to rotate, so that the stirring rod 15 and the piercing rod move around the stirring pipe 14, so that the stirring rod 15 and the piercing rod can stir the absorbent while piercing the bubbles in the absorbent, thereby further improving the contact effect of the absorbent and the industrial waste gas, thereby further improving the purification efficiency of the absorbent for the industrial waste gas, and then the industrial waste gas can enter the secondary desulfurization tower 5 through the second air inlet pipe 6, and the operator can introduce the absorbent into the fixed pipe through the liquid inlet pipe 20, so that the absorbent can be sprayed into the filler 19 through the atomizing nozzle, thereby further improving the desulfurization effect of the industrial waste gas, and the desulfurized industrial waste gas can be discharged through the top of the secondary desulfurization tower 5, and the rotation of the support pipe 8 can drive the cleaning column 21 to rotate, thereby driving the cleaning plate 22 and the cleaning bristles to clean the filter plate, thereby improving the filtering effect of the filter plate on the industrial waste gas.

[0055] The above is only a preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A multi-stage reaction type industrial waste gas desulfurization device, characterized by, Include: Filter box (1), the first air inlet pipe (2) is arranged on the filter box (1), and the filter plate is fixedly arranged in the filter box (1); Primary desulfurization tank (3), the primary desulfurization tank (3) is fixedly arranged on the filter box (1), the inner bottom wall of the primary desulfurization tank (3) is provided with a water tank (4), and the water tank (4) is filled with absorbent; Secondary desulfurization tower (5), the secondary desulfurization tower (5) is arranged on one side of the filter box (1), and the second air inlet pipe (6) is arranged between the secondary desulfurization tower (5) and the primary desulfurization tank (3); Air inlet mechanism, the air inlet mechanism is arranged in the primary desulfurization tank (3), and the filtered air in the filter box (1) is introduced into the water tank (4); Stirring mechanism, the stirring mechanism is arranged in the primary desulfurization tank (3), and the absorbent in the water tank (4) is stirred; Cleaning mechanism, the cleaning mechanism is arranged in the filter box (1), and the filter plate is cleaned.

2. A multi-stage reactive industrial waste gas desulfurization device according to claim 1, characterized in that, The air inlet mechanism comprises: Support frame (7), the support frame (7) is fixedly arranged on the primary desulfurization tank (3); Support pipe (8), the support pipe (8) is rotatably arranged on the support frame (7), and the support pipe (8) penetrates through the side wall of the primary desulfurization tank (3) and extends into the water tank (4); Air inlet assembly, the air inlet assembly is arranged on the support pipe (8), and industrial waste gas is blown into the water tank (4); Third air inlet pipe (9), the third air inlet pipe (9) is arranged in communication between the filter box (1) and the support pipe (8); First rotating mechanism, the first rotating mechanism is arranged on the support frame (7), and the support pipe (8) is driven to rotate.

3. A multi-stage reaction type industrial waste gas desulfurization device according to claim 2, characterized in that, The air inlet assembly comprises: Fourth air inlet pipe (10), a plurality of fourth air inlet pipes (10) are arranged in communication on the side wall of the support pipe (8), and the fourth air inlet pipe (10) is sealed away from one end of the support pipe (8); Air inlet nozzle, a plurality of air inlet nozzles are arranged in communication on the side wall away from the support frame (7) of the fourth air inlet pipe (10).

4. A multi-stage reaction type industrial exhaust gas desulfurization device according to claim 3, characterized by The first rotating mechanism comprises: First gear ring (11), the first gear ring (11) is fixedly arranged on the support pipe (8); First gear (12), the first gear (12) is rotatably arranged on the support frame (7), and the first gear (12) is engaged with the first gear ring (11); First motor (13), the first motor (13) is fixedly arranged on the support frame (7), and the output end of the first motor (13) is fixedly connected with the first gear (12).

5. A multi-stage reactive industrial exhaust gas desulfurization device according to claim 4, characterized in that, The stirring mechanism comprises: Stirring pipe (14), the stirring pipe (14) is sleeved on the support pipe (8), and the stirring pipe (14) is rotatably connected with the inner top wall of the primary desulfurization tank (3); Stirring rod (15), a plurality of stirring rods (15) are fixedly arranged on the side wall of the stirring pipe (14); A second rotating mechanism is arranged on the primary desulfurization tank (3) and used to drive the stirring pipe (14) to rotate.

6. A multi-stage reaction type industrial exhaust gas desulfurization device according to claim 5, characterized by The second rotating mechanism comprises: A second gear ring (16) is fixedly arranged on the stirring pipe (14); A second gear (17) is rotatably arranged on the inner top wall of the primary desulfurization tank (3), and the second gear (17) is engaged with the second gear ring (16); A second motor (18) is fixedly arranged on the primary desulfurization tank (3), and the output end of the second motor (18) is fixedly connected with the second gear (17).

7. A multi-stage reactive industrial exhaust gas desulfurization device according to claim 6, characterized in that, The secondary desulfurization tower (5) is fixedly provided with a filler (19) and a fixed pipe, a plurality of atomizing nozzles are communicatively arranged on the fixed pipe, a liquid inlet pipe (20) is fixedly arranged on the side wall of the secondary desulfurization tower (5), and the liquid inlet pipe (20) is in communication with the atomizing nozzles.

8. A multi-stage reactive industrial exhaust gas desulphurization device according to claim 7, characterized in that, The cleaning mechanism comprises: A cleaning column (21) is rotatably arranged in the filter box (1), and the cleaning column (21) is fixedly connected with the support pipe (8) through the inner top wall of the filter box (1); A plurality of cleaning plates (22) are fixedly arranged on the side wall of the cleaning column (21), and the cleaning plates (22) are uniformly provided with cleaning bristles, which are in contact with the filter plates.

9. A multi-stage reactive industrial exhaust gas desulphurization device according to claim 8, characterized in that, A plurality of piercing rods are fixedly arranged on the side wall of the stirring rod (15).

10. A multi-stage reactive industrial exhaust gas desulphurization device according to claim 9, characterized in that, The third air inlet pipe (9) is made of a plastic hose.

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