Pipeline air supply blowing assisting device

Abstract

The utility model discloses a pipeline air supply blowing assisting device which comprises an air inlet pipe, the air inlet pipe is detachably connected with a manual ball valve, the manual ball valve is detachably connected with a pneumatic valve, the pneumatic valve is detachably connected with an air distribution pore plate, an adjusting assembly is arranged on the air distribution pore plate, and the air distribution pore plate is detachably connected with an air pipe. One end of the air pipe is detachably connected with a pressure gauge, the other end of the air pipe is detachably connected with a connector, the connector is fixedly connected with a check pipe, a check assembly is arranged in the check pipe and comprises a fixing plate, a hole is formed in the fixing plate, a valve rod is movably connected in the hole, the valve rod is fixedly connected with a valve element, and the valve element moves in the check pipe. The check pipe is in threaded connection with a connecting pipe, and the connecting pipe is fixedly connected with an ash conveying pipeline. The ash conveying pipeline has the advantages that the air inlet pipe is additionally arranged on the ash conveying pipeline, so that the flow speed of an ash-air mixture in the ash conveying pipeline is increased, and emission is accelerated.

Description

Technical Field

[0001] The utility model belongs to the technical field of ash removal of dust collectors in thermal power plants, and particularly relates to a pipeline air supplement and blowing device. Background Technique

[0002] In the ash removal system (pneumatic conveying system) of the dust collector in a thermal power plant, the reasonable distribution of the conveying silo pump and pipeline air intake (including the air intake point and air intake volume) is the key. Generally, the ash conveying system has two conveying methods: silo pump air intake (single-pipe conveying system) and pipeline air intake (double-casing conveying system). In the first method, air intake points are set on the main body of a group of conveying silo pumps and the pipelines between the pumps, so that the fly ash is fully fluidized in the silo pump area, and after being mixed evenly, it enters the ash conveying pipeline. In the second method, only the main air intake is set on the first silo pump, and no air intake is set on other silo pumps. In addition, air intake is set on the conveying pipeline, and the conveying pipeline is set as a double casing (a small air pipe is arranged in a large ash pipe), and the fly ash is disturbed along the way to avoid pipe blockage. Publication No.: CN114476690A discloses an automatic pipe blockage clearing device for the ash conveying system of a thermal power plant, which includes a pipe blockage clearing ash storage tank and an ash conveying pipeline. A number of pressure sensors with the same structure are arranged on the ash conveying pipeline. The upper end of the side wall of the pipe blockage clearing ash storage tank is fixedly installed with a first pipeline, and an air release pneumatic valve is arranged on the first pipeline. The lower end of the other side wall of the pipe blockage clearing ash storage tank is fixedly installed with a pipe blockage clearing bypass pipeline. The upper end of the pipe blockage clearing bypass pipeline is connected to the ash conveying pipeline. A manual valve and a pneumatic valve are arranged on the pipe blockage clearing bypass pipeline. The lower end of the pipe blockage clearing ash storage tank is fixedly installed with a dust discharging pipeline, and the upper end of the dust discharging pipeline is connected to the other end of the ash conveying pipeline. The invention relates to the technical field of clearing the ash blockage fault of the ash conveying system of a thermal power plant, solves these problems, saves manpower and material resources, is automatic, fast and timely, so the economic and social benefits are obvious, and brings convenience to people's use.

[0003] However, there are some problems in the prior art: the speed of the ash-gas mixture in the ash conveying pipeline will gradually slow down, resulting in the accumulation of the ash-gas mixture in the ash conveying pipeline and causing blockage. Therefore, a pipe blockage clearing device will be added to the pipeline. However, the pipe blockage clearing device can only dredge the pipeline and cannot increase the conveying speed of the ash-gas mixture, and the pipeline is still prone to blockage. Therefore, we propose a pipeline air supplement and blowing device. Content of the Utility Model

[0004] Aiming at the problems existing in the prior art, the purpose of the utility model is to provide a pipeline air supplement and blowing device, which increases the air inlet pipe on the ash conveying pipeline, so as to increase the flow rate of the ash-gas mixture in the ash conveying pipeline and accelerate the discharge.

[0005] The present utility model is realized as follows. A pipeline air supplement and blowing device includes an intake pipe, which is detachably connected to a manual ball valve. The manual ball valve is detachably connected to a pneumatic valve. The pneumatic valve is detachably connected to an air distribution orifice plate. An adjustment assembly is provided on the air distribution orifice plate. The air distribution orifice plate is detachably connected to an air pipe. One end of the air pipe is detachably connected to a pressure gauge, and the other end of the air pipe is detachably connected to a joint. The joint is fixedly connected to a check pipe, and a check assembly is provided in the check pipe. The check pipe is threadedly connected to a connecting pipe, and the connecting pipe is fixedly connected to a ash conveying pipeline.

[0006] Optionally, it further includes bolts, and the intake pipe, the manual ball valve, the pneumatic valve, the air distribution orifice plate and the air pipe are sequentially detachably connected by bolts.

[0007] Optionally, the air distribution orifice plate includes a round orifice plate. Both sides of the round orifice plate are fixedly connected with connecting plates. The two groups of connecting plates are respectively detachably connected to the pneumatic valve and the air pipe by bolts. Grooves are formed on the inner wall of the round orifice plate, and the adjustment assembly is arranged in the grooves.

[0008] Optionally, the adjustment assembly includes a sealing plate, which is slidably connected in the groove of the round orifice plate. The upper end of the sealing plate is rotatably connected with an adjustment rod. Threaded holes are formed on the inner wall of the groove of the round orifice plate, and the adjustment rod is threadedly connected in the threaded holes.

[0009] Optionally, one end of the air pipe is provided with an air outlet, and an installation base is fixedly connected at the air outlet of the air pipe. The pressure gauge is threadedly connected to the installation base.

[0010] Optionally, a sleeve is fixedly connected to the inner wall of one side of the joint, the air pipe is sleeved on the sleeve, a locking block is fixedly connected to the outer wall of the sleeve, and a locking nut is threadedly connected to the outer wall of the locking block.

[0011] Optionally, the check assembly includes a fixing plate, a hole is formed on the fixing plate, a valve rod is movably connected in the hole, the valve rod is fixedly connected with a valve core, and the valve core moves in the check pipe.

[0012] Optionally, it further includes a spring. One end of the spring is fixedly connected to the fixing plate, the other end of the spring is fixedly connected to the valve core, and the valve rod is arranged in the spring.

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

[0014] 1. The present utility model is provided with an intake pipe, and the ash-gas mixture has the effect of automatically mixing evenly in the vertical rising pipeline. After the vertical pipeline turns into a horizontal pipeline, air is conveyed into the ash conveying pipeline through the intake pipe to accelerate the intake of the ash-gas mixture, which will effectively improve the conveying effect and at the same time reduce the probability of blockage of the ash-gas mixture.

[0015] 2. An air distribution orifice plate is added between the intake pipe and the ash conveying pipe of the present utility model. By rotating the adjusting rod in the adjusting assembly, the sealing plate can be moved, thereby changing the size of the holes in the air distribution orifice plate, affecting the flow rate and flow volume of the gas, and thus changing the intake speed, which can effectively adjust the flow rate of the ash-gas mixture in the ash conveying pipe.

[0016] 3. The present utility model is provided with a check assembly. When air is transported from the intake pipe to the ash conveying pipe, the valve core will be pushed to compress the spring and move, thus completing the conveyance by opening up. When the ash conveying pipe flows towards the intake pipe, the valve core will block the check pipe due to gas pressure and spring elasticity, preventing the ash-gas mixture in the ash conveying pipe from flowing out through the intake pipe.

[0017] Other features and advantages of the present utility model will become clear through the following detailed description of the exemplary embodiments of the present utility model with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is the structural schematic diagram provided by the present utility model;

[0019] Figure 2 is the schematic diagram of the round hole plate provided by the present utility model;

[0020] Figure 3 is the cross-sectional view of the round hole plate provided by the present utility model;

[0021] Figure 4 is the cross-sectional view of the locking nut provided by the present utility model;

[0022] Figure 5 is the cross-sectional view of the check assembly provided by the present utility model.

[0023] In the figure: 1. Intake pipe; 2. Manual ball valve; 3. Pneumatic valve; 4. Air distribution orifice plate; 401. Round hole plate; 402. Connecting plate; 5. Adjusting assembly; 501. Sealing plate; 502. Adjusting rod; 6. Air pipe; 7. Pressure gauge; 8. Connector; 9. Check pipe; 10. Check assembly; 101. Fixed plate; 102. Valve rod; 103. Valve core; 104. Spring; 11. Connecting pipe; 12. Ash conveying pipe; 13. Bolt; 14. Installation base; 15. Sleeve; 16. Locking block; 17. Locking nut. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] To further understand the content, features and effects of the present utility model, the following embodiments are cited and described in detail in conjunction with the accompanying drawings as follows.

[0025] As Figures 1 to 5As shown in the figure, a pipeline air supplement and blowing assist device provided by an embodiment of the present utility model includes an air inlet pipe 1. The air inlet pipe 1 is made of stainless steel material. The main function of the air inlet pipe 1 is to convey air into the ash conveying pipeline 12. One end of the air inlet pipe 1 is provided with an air pump, which can pressurize the air and then enter the ash conveying pipeline 12 through the air inlet pipe 1.

[0026] The air inlet pipe 1 is detachably connected with a manual ball valve 2. The manual ball valve 2 is mainly used to manually close or open the pipeline. Its main function is to prevent the pipeline from not being able to be closed when the pneumatic valve 3 is damaged. The manual ball valve 2 is detachably connected with a pneumatic valve 3. The pneumatic valve 3 precisely controls the flow in the gas pipeline through the opening and closing of its valve. The pneumatic valve 3 can quickly respond to the control signal to achieve the rapid cut-off, connection or flow regulation of the medium, so as to meet the needs of the ash conveying pipeline 12.

[0027] The pneumatic valve 3 is detachably connected with an air distribution orifice plate 4. An adjustment component 5 is arranged on the air distribution orifice plate 4. The air distribution orifice plate 4 includes a round hole plate 401. Both sides of the round hole plate 401 are fixedly connected with connecting plates 402. The two groups of connecting plates 402 are respectively detachably connected with the pneumatic valve 3 and the air pipe 6 through bolts 13. A groove is formed in the inner wall of the round hole plate 401, and the adjustment component 5 is arranged in the groove.

[0028] The adjustment component 5 includes a sealing plate 501. The sealing plate 501 is slidably connected in the groove of the round hole plate 401. The upper end of the sealing plate 501 is rotatably connected with an adjustment rod 502. A threaded hole is formed in the inner wall of the groove of the round hole plate 401, and the adjustment rod 502 is threadedly connected in the threaded hole.

[0029] By rotating the adjustment rod 502, the sealing plate 501 moves in the groove of the round hole plate 401, so that the size of the holes in the round hole plate 401 changes, and then the air flow rate and flow change, and thus the flow rate of the ash-gas mixture in the ash conveying pipeline 12 changes.

[0030] The air distribution orifice plate 4 is detachably connected with an air pipe 6. One end of the air pipe 6 is detachably connected with a pressure gauge 7. An air outlet is formed at one end of the air pipe 6. An installation base 14 is fixedly connected at the air outlet of the air pipe 6. The pressure gauge 7 is threadedly connected to the installation base 14. The main function of the pressure gauge 7 is to detect the pressure in the pipeline, avoid pipeline damage caused by excessive pressure, and the air distribution orifice plate 4 can also be adjusted according to the data displayed by the pressure gauge 7.

[0031] The pipeline air supplement and blowing assist device also includes bolts 13. The air inlet pipe 1, the manual ball valve 2, the pneumatic valve 3, the air distribution orifice plate 4 and the air pipe 6 are sequentially detachably connected through bolts 13. Using bolts 13 for connection is convenient and fast. When one of the components is damaged, it can be quickly disassembled for repair or replacement. At the same time, sealing rings can be added at each connection to strengthen the sealing performance of the pipeline.

[0032] At the other end of the air pipe 6, there is a detachable joint 8. On one side of the inner wall of the joint 8, there is a fixed sleeve 15. The air pipe 6 is sleeved on the sleeve 15. On the outer wall of the sleeve 15, there is a fixed locking block 16. The outer wall of the locking block 16 is threadedly connected with a locking nut 17.

[0033] The inner wall of the locking nut 17 gradually decreases. So that after the air pipe 6 is sleeved on the sleeve 15, when the locking nut 17 is turned, the locking nut 17 will tighten the locking block 16, thereby fixing the air pipe 6 on the sleeve 15.

[0034] The joint 8 is fixedly connected with a check pipe 9. Inside the check pipe 9, there is a check component 10. The check component 10 includes a fixing plate 101. There are holes on the fixing plate 101. Inside the holes, there is a movable valve stem 102. The valve stem 102 is fixedly connected with a valve core 103. The valve core 103 moves inside the check pipe 9.

[0035] The check component 10 further includes a spring 104. One end of the spring 104 is fixedly connected to the fixing plate 101. The other end of the spring 104 is fixedly connected to the valve core 103. The valve stem 102 is arranged inside the spring 104.

[0036] When the air is transported from the intake pipe 1 to the ash conveying pipeline 12, it will push the valve core 103 to compress the spring 104 and move, thereby opening the check pipe 9 to complete the conveying. When the ash conveying pipeline 12 flows to the intake pipe 1, the valve core 103 will block the check pipe 9 under the combined action of the gas pressure and the elastic force of the spring 104, preventing the ash-gas mixture in the ash conveying pipeline 12 from flowing out through the intake pipe 1.

[0037] The check pipe 9 is threadedly connected with a connecting pipe 11. The connecting pipe 11 is fixedly connected with an ash conveying pipeline 12. The ash conveying pipeline 12 is used to convey the ash-gas mixture.

[0038] The working principle of the present utility model is as follows:

[0039] The present utility model is provided with an intake pipe 1. The ash-gas mixture has an effect of automatically mixing evenly in the vertical rising pipeline. After the vertical pipeline turns to the horizontal pipeline, air is conveyed into the ash conveying pipeline 12 through the intake pipe 1 to accelerate the intake of the ash-gas mixture, which will effectively improve the conveying effect and at the same time reduce the probability of blockage of the ash-gas mixture in the ash conveying pipeline 12.

[0040] The present utility model adds a distribution orifice plate 4 between the intake pipe 1 and the ash conveying pipeline 12. By rotating the adjusting rod 502 in the adjusting assembly 5, the sealing plate 501 can be moved, thereby changing the size of the holes in the distribution orifice plate 4, affecting the flow rate and flow of the gas, and thus changing the intake speed, and effectively adjusting the flow rate of the ash-gas mixture in the ash conveying pipeline 12.

[0041] The utility model is provided with a check assembly 10. When air is transported from the air inlet pipe 1 to the ash conveying pipe 12, the valve core 103 will be pushed to compress the spring 104 and move, thus opening up to complete the transportation. When the ash conveying pipe 12 flows back to the air inlet pipe 1, the valve core 103 will block the check pipe 9 due to the gas pressure and the elastic force of the spring 104, preventing the ash-gas mixture in the ash conveying pipe 12 from flowing out through the air inlet pipe 1.

[0042] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A pipeline air supplement and blowing device, comprising an air inlet pipe (1), characterized in that: The intake pipe (1) is detachably connected to a manual ball valve (2), the manual ball valve (2) is detachably connected to a pneumatic valve (3), the pneumatic valve (3) is detachably connected to an air distribution orifice plate (4), an adjustment assembly (5) is arranged on the air distribution orifice plate (4), the air distribution orifice plate (4) is detachably connected to an air pipe (6), one end of the air pipe (6) is detachably connected to a pressure gauge (7), the other end of the air pipe (6) is detachably connected to a joint (8), the joint (8) is fixedly connected to a check pipe (9), a check assembly (10) is arranged in the check pipe (9), the check pipe (9) is threadedly connected to a connecting pipe (11), and the connecting pipe (11) is fixedly connected to a dust conveying pipeline (12).

2. The air supplement and blowing assistance device for pipelines according to claim 1, wherein: It further includes bolts (13), and the intake pipe (1), the manual ball valve (2), the pneumatic valve (3), the air distribution orifice plate (4) and the air pipe (6) are sequentially detachably connected by the bolts (13).

3. The air supplement and blowing assistance device for pipelines according to claim 2, characterized in that: The air distribution orifice plate (4) includes a round hole plate (401), both sides of the round hole plate (401) are fixedly connected with connecting plates (402), and the two groups of connecting plates (402) are respectively detachably connected to the pneumatic valve (3) and the air pipe (6) by bolts (13). A groove is formed in the inner wall of the round hole plate (401), and the adjustment assembly (5) is arranged in the groove.

4. The air supplement and blowing assistance device for pipelines according to claim 3, characterized in that: The adjustment assembly (5) includes a sealing plate (501), the sealing plate (501) is slidably connected in the groove of the round hole plate (401), the upper end of the sealing plate (501) is rotatably connected with an adjustment rod (502), a threaded hole is formed in the inner wall of the groove of the round hole plate (401), and the adjustment rod (502) is threadedly connected in the threaded hole.

5. A pipeline air supplement and blowing assist device according to claim 1, characterized in that: One end of the air pipe (6) is provided with an air outlet, and an installation base (14) is fixedly connected to the air outlet of the air pipe (6). The pressure gauge (7) is threadedly connected to the installation base (14).

6. The air supplement and blowing assistance device for pipelines according to claim 1, characterized in that: One side inner wall of the joint (8) is fixedly connected with a sleeve (15), the air pipe (6) is sleeved on the sleeve (15), a locking block (16) is fixedly connected to the outer wall of the sleeve (15), and a locking nut (17) is threadedly connected to the outer wall of the locking block (16).

7. The air supplement and blowing assistance device for pipelines according to claim 1, wherein: The check assembly (10) includes a fixing plate (101), a hole is formed in the fixing plate (101), a valve rod (102) is movably connected in the hole, the valve rod (102) is fixedly connected with a valve core (103), and the valve core (103) moves in the check pipe (9).

8. The air supplement and blowing assistance device for pipelines according to claim 7, characterized in that: It further includes a spring (104), one end of the spring (104) is fixedly connected to the fixing plate (101), the other end of the spring (104) is fixedly connected to the valve core (103), and the valve rod (102) is arranged in the spring (104).

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