Same-flow-direction desulfurization and denitrification device

Abstract

The utility model relates to the technical field of desulfurization and denitrification, and provides a same-flow-direction desulfurization and denitrification device which comprises a barrel, a conveying pipe, a spray header, a guide frame, a stirring plate, a guide mechanism, a stirring mechanism and a separation mechanism, an air inlet and a water inlet are formed in the barrel, the air inlet and the water inlet are both formed in the top of the barrel, a water outlet is formed in the bottom end of the barrel, and a water outlet is formed in the bottom end of the barrel. The two conveying pipes are arranged at the air inlet and the water inlet respectively, the spraying head is communicated with one of the conveying pipes, the two guide frames are arranged in the cylinder body, the two guide frames are both provided with discharging openings, and the multiple stirring plates are arranged. The problems that in the prior art, gas floats upwards and adheres to a spraying head, the spraying head is prone to being blocked, the spraying head needs to be frequently replaced when the gas is purified, and the gas desulfurization and denitrification efficiency is reduced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of desulfurization and denitration, in particular to a co-flow desulfurization and denitration device. Background Art

[0002] Industrial industries, such as thermal power plants and steel mills, will produce gases such as sulfur dioxide and nitrogen oxides. These gases are very polluting to the atmosphere. Therefore, before discharging the production gas, the gas needs to be desulfurized and denitrified through a desulfurization and denitrification device for desulfurization and denitrification.

[0003] The air inlet of the existing desulfurization and denitrification devices is mostly arranged at the bottom of the desulfurization and denitrification tower, and the spray device is mostly arranged at the top of the desulfurization and denitrification tower. The gas enters the desulfurization and denitrification tower and floats upward, and the purified liquid sprayed out is sprayed downward, so that the gas and liquid move relative to each other and contact each other. However, although the relative flow and contact of the gas and liquid can improve the purification effect of the gas, the gas before purification contains a large amount of impurities. The gas floats upward and adheres to the spray head, which is very easy to cause blockage of the spray head. Therefore, the spray head needs to be replaced frequently when purifying the gas, which reduces the efficiency of gas desulfurization and denitrification. Utility Model Content

[0004] The utility model proposes a co-flow desulfurization and denitrification device, which solves the problem in the related technology that the gas floats upward and adheres to the spray head, which is extremely easy to cause blockage of the spray head. Therefore, the spray head needs to be replaced frequently when purifying the gas, which reduces the efficiency of gas desulfurization and denitrification.

[0005] The technical solution of the utility model is as follows: a co-current desulfurization and denitrification device, comprising: a cylinder, a delivery pipe, a spray head, a guide frame, a stirring plate, a guide mechanism, a stirring mechanism and a separation mechanism;

[0006] The cylinder is provided with an air inlet and a water inlet, both of which are arranged at the top of the cylinder, and a water outlet is provided at the bottom of the cylinder;

[0007] There are two delivery pipes, which are respectively arranged at the air inlet and the water inlet;

[0008] The spray head is connected to one of the delivery pipes;

[0009] There are two guide frames, both of which are arranged in the cylinder, and both of which are provided with a material discharge port;

[0010] There are multiple stirring plates, and the multiple stirring plates are all arranged in the cylinder;

[0011] The guide mechanism is arranged in the cylinder body and is used to drive the two guide frames to guide the gas and the liquid to flow in the same direction;

[0012] There are two stirring mechanisms, both of which are arranged in the cylinder, and the two stirring mechanisms correspond to each of the two adjacent stirring plates one by one;

[0013] The separation mechanism is arranged on the cylinder and is used for separating gas and liquid.

[0014] Preferably, the guide mechanism comprises: a rotating rod, a guide plate, a rotating wheel, a driving belt and a first motor;

[0015] The rotating rod is rotatably arranged in the cylinder, and the two guide frames are fixedly connected to the rotating rod;

[0016] There are a plurality of guide plates, and the plurality of guide plates are arranged in two groups, and the two groups of guide plates are respectively fixedly connected to the two guide frames;

[0017] There are two rotating wheels, one of which is arranged on the rotating rod;

[0018] The driving belt is connected between the two rotating wheels;

[0019] The first motor is arranged on the cylinder, and the output end of the first motor is fixedly connected to another rotating wheel.

[0020] Furthermore, the stirring mechanism includes: a rotating tube, a mixing fan blade, a first bevel gear, a second bevel gear, a driving rod and a second motor;

[0021] The rotating tube is rotatably connected to the rotating rod, and the two stirring plates are fixedly connected to the rotating tube;

[0022] There are a plurality of mixing blades, and the plurality of mixing blades are all arranged on the rotating tube;

[0023] The first bevel gear is arranged on the rotating tube;

[0024] The second bevel gear is disposed in the cylinder, and the second bevel gear is meshed with the first bevel gear;

[0025] The driving rod is rotatably arranged in the cylinder, and the second bevel gear is arranged on the driving rod;

[0026] The second motor is arranged on the cylinder, and the output end of the second motor passes through the cylinder and is fixedly connected to the driving rod.

[0027] Furthermore, the separation mechanism includes: a third bevel gear, a fourth bevel gear, a transmission rod and an exhaust fan;

[0028] The third bevel gear is arranged on the rotating rod;

[0029] The fourth bevel gear is arranged in the cylinder, and the fourth bevel gear is meshed with the third bevel gear;

[0030] The transmission rod is arranged on the fourth bevel gear;

[0031] The exhaust fan is arranged on the transmission rod, and an exhaust port is arranged on the cylinder.

[0032] As a further solution of the present application, a protective box is fixedly connected to the air outlet, and the exhaust fan is arranged in the protective box.

[0033] As a further solution of the present application, a water outlet pipe is provided at the drain outlet.

[0034] The working principle and beneficial effects of the utility model are:

[0035] 1. In the present invention, the guiding mechanism and the guiding frame are arranged and coordinated with each other, so that the gas and the liquid can be guided in the same flow direction, and the phenomenon of blockage caused by gas impacting the sprinkler head can be reduced.

[0036] 2. In the utility model, by setting up the stirring mechanism and the stirring plate and cooperating between the two, it is convenient to stir and mix the gas and the liquid when they fall in the same flow, thereby improving the full mixing and contact between the gas and the liquid and improving the effect of gas purification.

[0037] 3. In the present invention, the separation mechanism is provided to facilitate effective separation of gas and liquid.

[0038] 4. In the utility model, the coordination among the cylinder, the delivery pipe, the guide frame, the stirring plate, the guide mechanism, the stirring mechanism and the separation mechanism facilitates the gas and the liquid to flow in the same direction and mix the gas and the liquid evenly, thereby improving the effect and efficiency of gas purification and not easily causing blockage to the sprinkler head. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0040] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0041] Figure 2 It is a structural schematic diagram of the utility model from another angle;

[0042] Figure 3 It is a schematic diagram of the structure of the utility model in cross section;

[0043] Figure 4 It is a structural schematic diagram of the guide mechanism of the utility model.

[0044] In the figure: 1. cylinder; 2. conveying pipe; 3. sprinkler head; 4. guide frame; 5. stirring plate; 6. rotating rod; 7. guide plate; 8. rotating wheel; 9. driving belt; 10. first motor; 11. rotating pipe; 12. mixing fan blade; 13. first bevel gear; 14. second bevel gear; 15. driving rod; 16. second motor; 17. third bevel gear; 18. fourth bevel gear; 19. transmission rod; 20. exhaust fan; 21. protective box; 22. water outlet pipe. DETAILED DESCRIPTION

[0045] The following will be combined with 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 of 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.

[0046] like Figure 1~Figure 4 As shown, this embodiment proposes a co-current desulfurization and denitrification device, including: a cylinder 1, a delivery pipe 2, a spray head 3, a guide frame 4, a stirring plate 5, a guide mechanism, a stirring mechanism and a separation mechanism. The cylinder 1 is provided with an air inlet and a water inlet, and the air inlet and the water inlet are both arranged at the top of the cylinder 1. The bottom of the cylinder 1 is provided with a drain, and a water outlet pipe 22 is arranged at the drain. The delivery pipe 2 is provided with two, and the two delivery pipes 2 are respectively arranged at the air inlet and the water inlet. The spray head 3 is connected to one of the delivery pipes. On the tube 2, there are two guide frames 4, both of which are arranged in the cylinder 1, and both of the guide frames 4 are provided with a feed port. There are multiple stirring plates 5, and the multiple stirring plates 5 are arranged in the cylinder 1. Through the coordination between the cylinder 1, the conveying pipe 2, the guide frames 4, the stirring plates 5, the guide mechanism, the stirring mechanism and the separation mechanism, it is convenient to make the gas and liquid flow in the same direction and mix the gas and liquid evenly, which improves the effect and efficiency of gas purification and is not easy to cause blockage to the spray head 3.

[0047] Wherein, the guide mechanism is arranged in the cylinder 1, and is used to drive the two guide frames 4 to guide the gas and liquid to flow together. The guide mechanism includes: a rotating rod 6, a guide plate 7, a rotating wheel 8, a driving belt 9 and a first motor 10. The rotating rod 6 is rotatably arranged in the cylinder 1, and the two guide frames 4 are fixedly connected to the rotating rod 6. There are multiple guide plates 7, and the multiple guide plates 7 are set as two groups. The two groups of guide plates 7 are respectively fixedly connected to the two guide frames 4. There are two rotating wheels 8, one of which is arranged on the rotating rod 6. The driving belt 9 is connected between the two rotating wheels 8 by transmission. The first motor 10 is arranged on the cylinder 1, and the output end of the first motor 10 is fixedly connected to the other rotating wheel 8. Specifically, the rotating wheel 8 is driven to rotate by the first motor arranged on the cylinder 1. When the rotating wheel 8 rotates, the two rotating wheels 8 are driven to rotate synchronously through the transmission of the driving belt 9, thereby driving the rotating rod 6 and the guide frame 4 to rotate. When the guide frame 4 rotates, it drives the guide plate 7 to rotate, thereby performing a co-flow guiding operation on the gas and liquid.

[0048] Wherein, the stirring mechanism is provided with two, and the two stirring mechanisms are both arranged in the cylinder 1, and the two stirring mechanisms correspond to each adjacent two stirring plates 5 one by one, and the stirring mechanism comprises: a rotating tube 11, a mixing fan blade 12, a first bevel gear 13, a second bevel gear 14, a driving rod 15 and a second motor 16, the rotating tube 11 is rotatably connected to the rotating rod 6, the two stirring plates 5 are fixedly connected to the rotating tube 11, the mixing fan blade 12 is provided with a plurality, and the plurality of mixing fan blades 12 are arranged on the rotating tube 11, the first bevel gear 13 is arranged on the rotating tube 11, and the second bevel gear 14 is arranged in the cylinder 1, the second bevel gear 14 is meshed with the first bevel gear 13, the driving rod 15 is rotatably arranged in the cylinder 1, the second bevel gear 14 is arranged on the driving rod 15, the second motor 16 is arranged on the cylinder 1, and the output end of the second motor 16 passes through the cylinder 1 and is fixedly connected to the driving rod 15. Specifically, the driving rod 15 and the second bevel gear 14 are driven to rotate by the second motor 16 arranged on the cylinder 1, and when the second bevel gear 14 rotates, the first bevel gear 13 and the rotating tube 11 are driven to rotate, and when the rotating tube 11 rotates, the stirring plate 5 and the mixing blades 12 are driven to rotate, so as to evenly mix the gas and the liquid.

[0049] Among them, the separation mechanism is arranged on the cylinder 1, and is used to separate the gas and liquid. The separation mechanism includes: a third bevel gear 17, a fourth bevel gear 18, a transmission rod 19 and an exhaust fan 20. The third bevel gear 17 is arranged on the rotating rod 6, and the fourth bevel gear 18 is arranged in the cylinder 1. The fourth bevel gear 18 is meshed with the third bevel gear 17. The transmission rod 19 is arranged on the fourth bevel gear 18. The exhaust fan 20 is arranged on the transmission rod 19. An exhaust port is opened on the cylinder 1, and a protective box 21 is fixedly connected to the exhaust port. The exhaust fan 20 is arranged in the protective box 21. Specifically, the third bevel gear 17 and the fourth bevel gear 18 are driven to rotate by the rotation of the rotating rod 6, thereby driving the exhaust fan 20 to rotate. When the exhaust fan 20 rotates, the purified gas in the cylinder 1 is discharged out of the cylinder 1.

[0050] In this embodiment, when the gas needs to be desulfurized and denitrated, the gas and the purified liquid are respectively transported into the cylinder 1 through the two transport pipes 2. The transported gas and liquid flow to the guide frame and the two adjacent guide plates. The first D motor provided on the cylinder 1 drives the rotating wheel 8 to rotate. When the rotating wheel 8 rotates, the two rotating wheels 8 are driven to rotate synchronously through the transmission of the driving belt 9, thereby driving the rotating rod 6 and the guide frame 4 to rotate. When the guide frame 4 rotates, it drives the guide plate 7 to rotate, thereby performing a co-flow guiding operation on the gas and the liquid. When the gas and the liquid are in the cylinder 1, When falling inside, the second motor 16 arranged on the cylinder 1 drives the driving rod 15 and the second bevel gear 14 to rotate. When the second bevel gear 14 rotates, it drives the first bevel gear 13 and the rotating tube 11 to rotate. When the rotating tube 11 rotates, it drives the stirring plate and the mixing fan blades 12 to rotate, so that the gas and liquid are evenly mixed. The purified gas drives the third bevel gear 17 and the fourth bevel gear 18 to rotate through the rotation of the rotating rod 6, thereby driving the exhaust fan 20 to rotate. When the exhaust fan 20 rotates, the purified gas in the cylinder 1 can be discharged out of the cylinder 1.

[0051] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A co-current desulfurization and denitrification device, characterized in that: include: A cylinder (1), wherein an air inlet and a water inlet are provided on the cylinder (1), wherein the air inlet and the water inlet are both arranged at the top of the cylinder (1), and a water outlet is provided at the bottom of the cylinder (1); A delivery pipe (2), wherein two delivery pipes (2) are provided, and the two delivery pipes (2) are respectively arranged at the air inlet and the water inlet; A spray head (3), the spray head (3) being connected to one of the delivery pipes (2); A guide frame (4), wherein two guide frames (4) are provided, and both guide frames (4) are arranged in the cylinder (1), and both guide frames (4) are provided with a material discharge port; A stirring plate (5), wherein a plurality of stirring plates (5) are provided, and the plurality of stirring plates (5) are all arranged in the cylinder (1); A guide mechanism, the guide mechanism being arranged in the cylinder (1) and used for driving the two guide frames (4) to guide the gas and the liquid in the same flow; A stirring mechanism, wherein two stirring mechanisms are provided, and both stirring mechanisms are arranged in the cylinder (1), and the two stirring mechanisms correspond one to one with each of the two adjacent stirring plates (5); A separation mechanism, wherein the separation mechanism is arranged on the cylinder (1) and is used to separate gas and liquid.

2. A co-current desulfurization and denitrification device according to claim 1, characterized in that: The guiding mechanism comprises: A rotating rod (6), the rotating rod (6) being rotatably disposed in the cylinder (1), and the two guide frames (4) being fixedly connected to the rotating rod (6); A guide plate (7), wherein a plurality of the guide plates (7) are provided, and the plurality of guide plates (7) are arranged in two groups, and the two groups of guide plates (7) are respectively fixedly connected to the two guide frames (4); A rotating wheel (8), wherein two rotating wheels (8) are provided, and one of the rotating wheels (8) is arranged on the rotating rod (6); A driving belt (9), the driving belt (9) being drivingly connected between the two rotating wheels (8); A first motor (10), wherein the first motor (10) is arranged on the barrel (1), and an output end of the first motor (10) is fixedly connected to another rotating wheel (8).

3. A co-current desulfurization and denitrification device according to claim 2, characterized in that: The stirring mechanism comprises: A rotating tube (11), the rotating tube (11) being rotatably connected to the rotating rod (6), and the two stirring plates (5) being fixedly connected to the rotating tube (11); A mixing blade (12), wherein a plurality of the mixing blades (12) are provided, and the plurality of mixing blades (12) are all arranged on the rotating tube (11); a first bevel gear (13), the first bevel gear (13) being arranged on the rotating tube (11); a second bevel gear (14), the second bevel gear (14) being arranged in the cylinder (1), the second bevel gear (14) being meshed with the first bevel gear (13); A driving rod (15), the driving rod (15) being rotatably disposed in the cylinder (1), and the second bevel gear (14) being disposed on the driving rod (15); A second motor (16), wherein the second motor (16) is arranged on the cylinder (1), and an output end of the second motor (16) passes through the cylinder (1) and is fixedly connected to the driving rod (15).

4. A co-current desulfurization and denitrification device according to claim 3, characterized in that: The separation mechanism comprises: a third bevel gear (17), the third bevel gear (17) being arranged on the rotating rod (6); a fourth bevel gear (18), the fourth bevel gear (18) being arranged in the cylinder (1), the fourth bevel gear (18) being meshed with the third bevel gear (17); a transmission rod (19), the transmission rod (19) being arranged on the fourth bevel gear (18); An exhaust fan (20), wherein the exhaust fan (20) is arranged on the transmission rod (19), and an exhaust port is provided on the cylinder (1).

5. A co-current desulfurization and denitrification device according to claim 4, characterized in that: A protection box (21) is fixedly connected to the air outlet, and the exhaust fan (20) is arranged in the protection box (21).

6. A co-current desulfurization and denitrification device according to claim 5, characterized in that: A water outlet pipe (22) is provided at the drainage outlet.

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