Washing type ammonia escape prevention desulfurizing tower

Abstract

The utility model relates to the technical field of ammonia removal of desulfurizing towers, in particular to a washing type ammonia escape preventing desulfurizing tower which comprises a water inlet pipe, the water inlet end of the water inlet pipe is communicated with a water pump located in a water source, the water outlet end of the water inlet pipe penetrates into the upper portion of the desulfurizing tower and is communicated with a vertical pipe, a rotating rod located on the axis of the vertical pipe is arranged in the vertical pipe, and a supporting rod is fixedly arranged in the vertical pipe. A through hole is formed in the supporting rod, the rotating rod penetrates through the through hole and is rotationally connected with the through hole through a bearing, paddles are fixedly arranged on the rotating rod in the circumferential direction, the lower portion of the vertical pipe is rotationally connected with a rotating pipe through a sealing bearing, the rotating pipe and the rotating rod are coaxial and fixedly connected, the lower end of the rotating pipe communicates with a spraying head, and a water drainage pipe is arranged on the lower portion of the desulfurizing tower. According to the application, firstly, ammonia gas in flue gas can be absorbed through water to form ammonia water, the ammonia gas in the flue gas is prevented from being discharged to the outside to pollute air, meanwhile, the spraying head can be driven to rotate through flowing of water flow, the spraying range is increased, the contact surface of water and ammonia gas is wider, and ammonia gas is better removed.

Description

Technical Field

[0001] The utility model belongs to the technical field of ammonia removal in desulfurization towers, and specifically relates to a washing type ammonia escape prevention desulfurization tower. Background Technique

[0002] A coke oven, also called a coking oven, is a furnace usually made of refractory bricks and refractory blocks, used for carbonizing coal to produce coke. A kiln for refining coal into coke. It is the main thermal equipment for coking. A modern coke oven refers to a horizontal chamber coke oven mainly used for producing metallurgical coke and capable of recovering coking chemical products, which consists of a furnace body and auxiliary equipment. The furnace body of the coke oven consists of a furnace top, a combustion chamber, a carbonization chamber, a diagonal passage area, a regenerator, etc., and is connected through a flue and a chimney.

[0003] When the existing coke oven is working, the sulfur content in the tail gas is high, so a desulfurization tower is needed for desulfurization. Due to reasons such as large fluctuations in the flue gas volume and large changes in the flue gas temperature in the desulfurization tower, a small amount of ammonia components in the desulfurized flue gas may be discharged into the atmosphere with the flue gas, resulting in environmental pollution. Content of the Utility Model

[0004] The utility model provides a washing type ammonia escape prevention desulfurization tower to solve the defects in the prior art.

[0005] The utility model is realized through the following technical solutions:

[0006] A washing type ammonia escape prevention desulfurization tower includes a water inlet pipe. The water inlet end of the water inlet pipe is connected to a water pump located in a water source, and the water outlet end penetrates into the upper part of the desulfurization tower and is connected to a vertical pipe. A rotating rod is arranged on the central axis of the vertical pipe. A support rod is fixedly arranged in the vertical pipe. A through hole is opened on the support rod. The rotating rod passes through the through hole and is rotatably connected to the through hole through a bearing. The rotating rod is fixedly provided with blades along its circumferential direction. The lower part of the vertical pipe is rotatably connected to a rotating pipe through a sealing bearing. The rotating pipe is coaxial with the rotating rod and fixedly connected. The lower end of the rotating pipe is connected to a spray head. A drain pipe is arranged at the lower part of the desulfurization tower.

[0007] When this application is in use, water flows through the water pump into the water inlet pipe and then into the rotating pipe through the vertical pipe, and is sprayed out from the spray head through the rotating pipe. Among them, when the water flows in the vertical pipe, it drives the rotation of the blades. The rotation of the blades drives the rotation of the rotating rod. The rotation of the rotating rod drives the rotation of the rotating pipe, and then drives the rotation of the spray head. Among them, the flue gas contacts the water, and the ammonia in the flue gas forms ammonia water and is discharged from the drain pipe. The rotation of the spray head not only increases the spraying range, but also makes the spraying more uniform, facilitating better contact between the flue gas and the water.

[0008] Preferably, a cross is fixedly connected to the top surface of the rotating pipe, and the rotating rod is vertically connected to the intersection of the horizontal bar and the vertical bar of the cross. The cross can not only realize the connection with the rotating rod, but also does not hinder the water inlet of the rotating pipe.

[0009] Preferably, there are two spraying heads. The water outlet end of the water inlet pipe is vertically connected and communicated with a longitudinal pipe. The two ends of the longitudinal pipe are respectively communicated with a parallel first transverse pipe and a second transverse pipe. The water outlet ends of the first transverse pipe and the second transverse pipe are communicated with a vertical pipe. The lower ends of the vertical pipes are respectively communicated with the corresponding spraying heads. The two spraying heads are respectively located at the left front and the right rear of the desulfurization tower in the transverse direction. Water flows through the water inlet pipe into the longitudinal pipe, and then enters the first transverse pipe and the second transverse pipe respectively through the longitudinal pipe, and then sprays out from the corresponding spraying heads respectively, so as to ensure that the desulfurization tower is filled with water, and better contact with the flue gas is realized.

[0010] Preferably, a conical pipe is coaxially and fixedly connected in the vertical pipe. The conical pipe is wider at the top and narrower at the bottom and is located above the rotating pipe. The inner diameter of the lower end of the conical pipe is smaller than the inner diameter of the rotating pipe. The conical pipe plays a role in guiding the flow, which can ensure that the water in the vertical pipe enters the rotating pipe better, and avoid the water flow impact on the sealing bearing, affecting the water inlet.

[0011] Preferably, the support rod and the cross are both provided with water permeable holes, so as to reduce the blockage of the cross and the support rod to the water flow.

[0012] The beneficial effects of the present utility model are as follows: by using this application, firstly, ammonia in the flue gas can be absorbed by water to form ammonia water, avoiding the discharge of ammonia in the flue gas to the outside and polluting the air. At the same time, the rotation of the spraying head can be driven by the flow of water, increasing the spraying range, making the contact surface between water and ammonia wider, and achieving better removal of ammonia. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0014] Figure 1 is a schematic structural diagram of the present utility model;

[0015] Figure 2 is a schematic layout diagram of the spraying heads in the desulfurization tower;

[0016] Figure 3 is Figure 1 the enlarged partial view I of

[0017] As shown in the figure:

[0018] 1. Inlet pipe, 2. Vertical pipe, 3. Rotating rod, 4. Support rod, 5. Blade, 6. Rotating pipe, 7. Spraying head, 8. Cross, 9. Longitudinal pipe, 10. First transverse pipe, 11. Second transverse pipe, 12. Conical pipe, 13. Water permeable hole, 14. Desulfurization tower. Detailed implementation manner

[0019] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts fall within the protection scope of the present utility model.

[0020] A washing type ammonia escape prevention desulfurization tower, as Figures 1-3 shown. It includes an inlet pipe 1 and a spraying head 7. The water inlet end of the inlet pipe 1 is connected to a water pump located in the water source, and the water outlet end penetrates into the upper part of the desulfurization tower 14. The water outlet end of the inlet pipe 1 is vertically connected and communicated with a longitudinal pipe 9. The two ends of the longitudinal pipe 9 are respectively communicated with parallel first transverse pipes 10 and second transverse pipes 11. The water outlet ends of the first transverse pipe 10 and the second transverse pipe 11 are communicated with the corresponding pipes. The lower ends of the vertical pipes 2 are respectively communicated with the corresponding spraying heads 7. The two spraying heads 7 are respectively located at the left front and the right rear of the desulfurization tower 14 in the horizontal direction.

[0021] A rotating rod 3 is arranged in the vertical pipe 2 on the axis of the vertical pipe 2. A support rod 4 is fixedly arranged in the vertical pipe 2. Through holes are formed in the support rod 4. The rotating rod 3 passes through the through holes and is rotatably connected to the through holes through bearings. Blades 5 are fixedly arranged on the rotating rod 3 along its circumferential direction. The lower part of the vertical pipe 2 is rotatably connected with a rotating pipe 6 through a sealed bearing. The rotating pipe 6 is coaxial with and fixedly connected to the rotating rod 3. The lower end of the rotating pipe 6 is communicated with a spraying head 7. A drain pipe is arranged at the lower part of the desulfurization tower 14.

[0022] When this application is in use, water flows through the water pump into the inlet pipe 1, then enters the longitudinal pipe 9 through the inlet pipe 1, enters the first transverse pipe 10 and the second transverse pipe 11 respectively through the longitudinal pipe 9, and then enters the corresponding vertical pipe 2 and rotating pipe 6 respectively, and is sprayed out from the corresponding spraying heads 7. Among them, when the water flows in the vertical pipe 2, it drives the rotation of the blades 5. The rotation of the blades 5 drives the rotation of the rotating rod 3. The rotation of the rotating rod 3 drives the rotation of the rotating pipe 6, and further drives the rotation of the spraying head 7. Among them, the flue gas contacts the water flow, ammonia in the flue gas forms ammonia water, and is discharged from the drain pipe. The rotation of the spraying head 7 can not only increase the spraying range, but also make the spraying more uniform, facilitating better contact between the flue gas and water. Two spraying heads 7 are provided and are respectively arranged at the right rear and the left front, so as to ensure that the inside of the desulfurization tower 14 is filled with water, realizing better contact with the flue gas.

[0023] A cross is fixedly connected to the top surface of the rotating tube 6, and the rotating rod 3 is vertically connected to the intersection of the horizontal and vertical rods of the cross 8. The cross 8 can not only realize the connection with the rotating rod 3, but also does not hinder the water inlet of the rotating tube 6.

[0024] A conical tube 12 is coaxially and fixedly connected inside the vertical tube 2. The conical tube 12 is wider at the top and narrower at the bottom and is located above the rotating tube 6. The inner diameter of the lower end of the conical tube 12 is smaller than the inner diameter of the rotating tube 6. The conical tube 12 plays a role in guiding the flow, which can ensure that the water in the vertical tube 2 better enters the rotating tube 6, avoiding the water flow impact on the sealing bearing and affecting the water inlet.

[0025] Both the support rod 4 and the cross 8 are provided with water-permeable holes 13, so as to reduce the blockage of the cross 8 and the support rod 4 to the water flow.

[0026] When the present application is used, first, ammonia in the flue gas can be absorbed by water to form ammonia water, avoiding the ammonia in the flue gas being discharged to the outside to pollute the air. At the same time, the rotation of the spray head 7 can be driven by the flow of water, increasing the spraying range, making the contact surface between water and ammonia wider, and achieving better removal of ammonia.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A washing type ammonia escape prevention desulfurization tower, characterized in that: It includes a water inlet pipe. The water inlet end of the water inlet pipe is connected to a water pump located in the water source, and the water outlet end penetrates into the upper part of the desulfurization tower and is connected to a vertical pipe. A rotating rod is arranged on the axis of the vertical pipe. A support rod is fixedly arranged in the vertical pipe, and a through hole is formed in the support rod. The rotating rod passes through the through hole and is rotatably connected to the through hole through a bearing. Paddle blades are fixedly arranged on the rotating rod along its circumferential direction. The lower part of the vertical pipe is rotatably connected to a rotating pipe through a sealing bearing. The rotating pipe is coaxial with the rotating rod and fixedly connected. The lower end of the rotating pipe is connected to a spray head, and a drain pipe is arranged at the lower part of the desulfurization tower.

2. The washing type ammonia escape prevention desulfurization tower according to claim 1, wherein: A cross is fixedly connected to the top surface of the rotating pipe, and the rotating rod is vertically connected to the intersection of the crossbar and the vertical rod of the cross.

3. The scrubbing type ammonia escape prevention desulfurization tower according to claim 2, characterized in that: There are two spray heads. The water outlet end of the water inlet pipe is vertically connected and communicated with a longitudinal pipe. The two ends of the longitudinal pipe are respectively communicated with a parallel first transverse pipe and a second transverse pipe. The water outlet ends of the first transverse pipe and the second transverse pipe are communicated with the vertical pipe, and the lower ends of the vertical pipe are respectively communicated with the corresponding spray heads. The two spray heads are respectively located at the front left and rear right of the desulfurization tower in the horizontal direction.

4. The scrubbing type ammonia escape prevention desulfurization tower according to claim 3, characterized in that: A conical pipe is fixedly connected coaxially in the vertical pipe. The conical pipe is wide at the top and narrow at the bottom and is located above the rotating pipe. The inner diameter of the lower end of the conical pipe is smaller than the inner diameter of the rotating pipe.

5. The scrubbing type ammonia escape prevention desulfurization tower according to claim 4, characterized in that: Through holes are formed in both the support rod and the cross.

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