Coal gasification gas purification tower

Abstract

The utility model relates to the technical field of purification towers, and discloses a coal gasification gas purification tower, which comprises a tower body, a filter seat arranged in the tower body, a cleaning mechanism arranged in the tower body, a filter arranged on one side of the tower body, a spraying mechanism arranged in the tower body, and a water outlet arranged on the other side of the tower body. The upper portion of the filter is communicated with the spraying mechanism, a gas inlet pipe is arranged on one side of the tower body, a gas outlet is formed in the upper portion of the tower body, and a water storage layer is arranged in the tower body. And after liquid in the tower body is effectively filtered, the liquid is conveyed to the interior of the spraying mechanism, so that gas in the tower body circularly works.

Description

Technical Field

[0001] The utility model belongs to the technical field of purification towers, in particular to a coal gasification gas purification tower. Background Art

[0002] The flow of gas and liquid phases in the tower can be countercurrent or cocurrent. Countercurrent operation is usually adopted. The absorbent is added at the top of the tower and flows from top to bottom, contacting with the gas flowing from bottom to top. The liquid that absorbs the absorbent is discharged from the bottom of the tower, and the purified gas is discharged from the top of the tower.

[0003] When purifying the gas inside the purification tower, the commonly used purification method is spray purification. However, when the gas is being sprayed, the harmful substances inside the gas are easy to adhere to the surface of the spray pipe, which can easily cause blockage of the spray pipe. For this reason, we propose a coal gasification gas purification tower. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a coal gasification gas purification tower, which effectively solves the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a coal gasification gas purification tower, comprising a tower body, a filter seat is arranged inside the tower body, a cleaning mechanism is arranged inside the tower body, a filter is arranged on one side of the tower body, a spray mechanism is arranged inside the tower body, and the upper part of the filter is connected to the spray mechanism;

[0006] An air inlet pipe is arranged on one side of the tower body, an air outlet is arranged on the upper part of the tower body, and a water storage layer is arranged inside the tower body.

[0007] Preferably, the filter seat comprises a filter screen, a bearing is arranged inside the filter screen, and a fixed edge is arranged outside the filter screen.

[0008] Preferably, the cleaning mechanism includes a frame, a steering mechanism is provided on the upper part of the frame, a drive shaft is provided on one side of the steering mechanism, a motor is installed on one side of the drive shaft, the motor is installed on one side of the tower body, a rotating rod is provided on one side of the steering mechanism, and a cleaning component is provided on the upper part of the rotating rod.

[0009] Preferably, the steering mechanism includes a shell, which is installed inside the frame, and trapezoidal gears are arranged inside the shell. Two groups of the trapezoidal gears are meshed with each other, and the two groups of the trapezoidal gears are respectively connected to the drive shaft and the rotating rod.

[0010] Preferably, the cleaning assembly includes a positioning frame, the positioning frame is installed on the upper part of the rotating rod, and a cleaning brush is provided on the upper part of the positioning frame.

[0011] Preferably, the fixed edge is fixed on the inner wall of the tower body, and the rotating rod is installed inside the bearing.

[0012] Preferably, the spray mechanism comprises a spray pipe, the bottom of which is evenly provided with spray holes, and one end of the spray pipe is connected to a water supply pipe of the filter.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. After the initial filtration, the gas will be filtered through the filter seat for multi-layer filtration. The spray mechanism can be used to clean the filter seat to prevent the filter seat from being blocked by harmful substances in the gas. The filter can be effectively filtered through the filter, and then the liquid can be transported to the inside of the spray mechanism, so that the gas inside the tower can circulate.

[0015] 2. By providing a bearing inside the filter, the position of the cleaning mechanism can be limited, and by providing a fixed edge, the filter can be effectively fixed, and the filter can be better installed inside the tower body;

[0016] 3. The driving shaft is driven to rotate by the rotation of the motor, the steering mechanism is driven to rotate by the rotation of the driving shaft, the rotating rod is driven to rotate by the rotation of the steering mechanism, the cleaning component is driven to work by the rotation of the rotating rod, and the bottom of the filter is cleaned by the rotation of the cleaning component to avoid clogging of the filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0018] In the attached picture:

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the spray mechanism of the utility model;

[0021] Figure 3 This is a schematic diagram of the cleaning mechanism structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the filter seat of the utility model.

[0023] In the figure: 10, tower body; 11, air inlet pipe; 12, air outlet; 13, water storage layer; 20, filter seat; 21, filter screen; 22, bearing; 23, fixed edge; 30, cleaning mechanism; 31, frame; 32, drive shaft; 33, motor; 34, rotating rod; 35, shell; 36, trapezoidal gear; 37, positioning frame; 38, cleaning brush; 40, filter; 50, spray mechanism; 51, spray pipe; 52, spray hole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0025] Embodiment 1, by Figure 1-4 A coal gasification gas purification tower is provided, comprising a tower body 10, a filter seat 20 is arranged inside the tower body 10, a cleaning mechanism 30 is arranged inside the tower body 10, a filter 40 is arranged on one side of the tower body 10, a spray mechanism 50 is arranged inside the tower body 10, and the upper part of the filter 40 is connected to the spray mechanism 50;

[0026] An air inlet pipe 11 is provided on one side of the tower body 10, an air outlet 12 is provided on the upper part of the tower body 10, and a water storage layer 13 is provided inside the tower body 10. When the device is in use, the gas can be transported to the inside of the tower body 10 through the air inlet pipe 11. Through the water storage layer 13 inside the tower body 10, the liquid can be effectively stored. When the air inlet pipe 11 enters the inside of the water storage layer 13, the gas will be filtered and purified by the liquid. After the preliminary filtration, the gas will pass through the filter seat 20 for multi-layer filtration. By providing a spray mechanism 50, the filter seat 20 can be cleaned to prevent harmful substances in the gas from clogging the filter seat 20. By providing a filter 40, the liquid inside the tower body 10 can be effectively filtered. After filtration, the liquid is transported to the interior of the spray mechanism 50, so that the gas inside the tower body 10 circulates. The filter seat 20 includes a filter screen 21, and a bearing 22 is arranged inside the filter screen 21. A fixed edge 23 is arranged on the outer side of the filter screen 21. By arranging the bearing 22 inside the filter screen 21, the position of the cleaning mechanism 30 can be limited, and by arranging the fixed edge 23, the filter screen 21 can be effectively fixed, and the auxiliary filter screen 21 is better installed in the interior of the tower body 10. The cleaning mechanism 30 includes a frame 31, and a steering mechanism is arranged on the upper part of the frame 31. A drive shaft 32 is arranged on one side of the steering mechanism, and a motor 33 is installed on one side of the drive shaft 32. The motor 33 is installed on one side of the tower body 10.A rotating rod 34 is provided on one side of the steering mechanism, and a cleaning component is provided on the upper part of the rotating rod 34. When the cleaning mechanism 30 is working, it can work by running the motor 33, and the rotation of the motor 33 drives the driving shaft 32 to rotate, and the rotation of the driving shaft 32 drives the steering mechanism to rotate, and the rotation of the steering mechanism drives the rotating rod 34 to rotate, and the rotation of the rotating rod 34 drives the cleaning component to work, and the bottom of the filter screen 21 is cleaned by the rotation of the cleaning component to prevent the filter screen 21 from being blocked. The steering mechanism includes a housing 35, which is mounted inside the frame 31. Trapezoidal gears 36 are arranged inside the housing 35. Two sets of trapezoidal gears 36 are meshed with each other. The two sets of trapezoidal gears 36 are connected to the drive shaft 32 and the rotating rod 34 respectively. The frame 31 is provided to limit the position of the housing 35. When the drive shaft 32 rotates, the trapezoidal gears 36 are driven to rotate. When the trapezoidal gears 36 are driven to rotate, another set of trapezoidal gears 36 are driven to rotate, so that the trapezoidal gears 36 drive the rotating rod 34 to rotate. The cleaning assembly 38 is provided on the upper part of the rotating rod 34. When the rotating rod 34 rotates, the positioning frame 37 is driven to rotate. The cleaning brush 38 is driven to rotate by the rotation of the positioning frame 37. The bottom of the filter seat 20 is cleaned by the rotation of the cleaning brush 38. The fixed edge 23 is fixed on the inner wall of the tower body 10. The rotating rod 34 is installed in the inner part of the bearing 22. The fixed edge 23 can make the filter screen 21 better installed inside the tower body 10. The bearing 22 can limit the position of the rotating rod 34, and assist the rotating rod 34 to rotate better. The spray mechanism 50 includes a spray pipe 51, and spray holes 52 are evenly opened at the bottom of the spray pipe 51. One end of the spray pipe 51 is connected to the water supply pipe of the filter 40. The liquid purified by the filter 40 will be transported to the inside of the spray pipe 51 through the water supply pipe, and then sprayed by the spray hole 52 at the bottom of the spray pipe 51 to clean the filter seat 20.

[0027] Working principle: When the device is in use, the coal gas can be transported to the interior of the tower body 10 through the air inlet pipe 11, and the liquid can be effectively stored through the water storage layer 13 inside the tower body 10. When the air inlet pipe 11 enters the interior of the water storage layer 13, the liquid will be filtered and purified. After the preliminary filtration, the coal gas will be filtered through the filter seat 20 for multi-layer filtration, and the spray mechanism 50 can be provided to clean the filter seat 20 to prevent harmful substances in the coal gas from clogging the filter seat 20. The filter 40 can be provided to effectively filter the liquid inside the tower body 10, and then the liquid can be transported to the interior of the spray mechanism 50, so that the coal gas inside the tower body 10 can circulate.

Claims

1. A coal gasification gas purification tower, characterized in that: It comprises a tower body (10), a filter seat (20) is arranged inside the tower body (10), a cleaning mechanism (30) is arranged inside the tower body (10), a filter (40) is arranged on one side of the tower body (10), a spray mechanism (50) is arranged inside the tower body (10), and the upper part of the filter (40) is connected to the spray mechanism (50); An air inlet pipe (11) is provided on one side of the tower body (10), an air outlet (12) is provided on the upper part of the tower body (10), and a water storage layer (13) is provided inside the tower body (10).

2. A coal gasification gas purification tower according to claim 1, characterized in that: The filter seat (20) comprises a filter screen (21), a bearing (22) is arranged inside the filter screen (21), and a fixing edge (23) is arranged outside the filter screen (21).

3. A coal gasification gas purification tower according to claim 2, characterized in that: The cleaning mechanism (30) comprises a frame (31), a steering mechanism is arranged on the upper part of the frame (31), a driving shaft (32) is arranged on one side of the steering mechanism, a motor (33) is installed on one side of the driving shaft (32), the motor (33) is installed on one side of the tower body (10), a rotating rod (34) is arranged on one side of the steering mechanism, and a cleaning component is arranged on the upper part of each rotating rod (34).

4. A coal gasification gas purification tower according to claim 3, characterized in that: The steering mechanism comprises a housing (35), the housing (35) being mounted inside a frame (31), the housing (35) being provided with trapezoidal gears (36) inside, two sets of the trapezoidal gears (36) being meshed with each other, and the two sets of the trapezoidal gears (36) being connected to a driving shaft (32) and a rotating rod (34) respectively.

5. A coal gasification gas purification tower according to claim 3, characterized in that: The cleaning assembly comprises a positioning frame (37), wherein the positioning frame (37) is mounted on the upper portion of the rotating rod (34), and a cleaning brush (38) is provided on the upper portion of the positioning frame (37).

6. A coal gasification gas purification tower according to claim 3, characterized in that: The fixed edge (23) is fixed on the inner wall of the tower body (10), and the rotating rod (34) is installed inside the bearing (22).

7. The coal gasification gas purification tower according to claim 1, characterized in that: The spray mechanism (50) comprises a spray pipe (51), the bottom of which is evenly provided with spray holes (52), and one end of the spray pipe (51) is connected to a water supply pipe of the filter (40).

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