Reciprocating type compressed air flushing device for pipeline

Abstract

The utility model provides a reciprocating type compressed air flushing device for a pipeline, which relates to the technical field of material conveying pipes and comprises a stock bin, a material suction pipe is fixedly arranged on the outer surface of the stock bin, a vacuumizing device is arranged on the right side of the stock bin, and an air exhaust end of the vacuumizing device is connected with the upper portion of the outer surface of the stock bin. A back flushing device is arranged on the vacuumizing device, the vacuumizing device is used for vacuumizing the interior of the stock bin, and the back flushing device is used for exhausting air into the stock bin. According to the reciprocating type compressed air flushing device for the pipeline, through the arrangement of the stock bin, the material suction pipe, the vacuumizing device and the back flushing device, when the device is used, when material conveying is completed, back flushing needs to be conducted on the material suction pipe, compressed air back flushing is conducted on the inner wall of the material suction pipe through the back flushing device, and during operation, through the air pumping function of the vacuumizing device, back flushing is conducted on the inner wall of the material suction pipe; the material suction pipe backflushing device is high in efficiency and easy to operate.

Description

Technical Field

[0001] The utility model relates to a compressed air flushing device, in particular to a reciprocating compressed air flushing device for pipelines, belonging to the technical field of material conveying pipes. Background Art

[0002] The transfer of materials usually requires pipelines, such as equipment that conveys materials by pneumatic force. The working principle is to use an air pump to evacuate the suction pipe so that the suction pipe can suck the material. This has the advantages of preventing the material from getting damp, contaminated or mixed with debris, and is therefore used in casting, metallurgy, chemical industry, building materials, grain processing and other departments. Its main disadvantages are high power consumption; rapid wear of equipment and pipelines. If the design, construction or operation is improper, it is easy to cause material deposition, resulting in blockage and interruption of transportation; it is not suitable for conveying materials with high humidity, high viscosity or easy to break.

[0003] During the long-term use of the suction pipe, crystals and scaling often form on the inner wall of the suction pipe. In order to avoid clogging of the suction pipe, it is generally necessary to flush the suction pipe, usually backwashing with tap water. The suction pipe needs to be dried after flushing, and the tap water pressure is low, the flushing effect is not good, the flushing time is long, and the operation is more troublesome. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] The utility model provides a reciprocating compressed air flushing device for a pipeline to solve the problem that the inner wall of a suction pipe in the prior art is easy to accumulate scale, and solves the problem that the backwashing efficiency of the suction pipe is low and the operation is relatively troublesome.

[0006] (II) Technical solution

[0007] The utility model is realized through the following technical scheme: a reciprocating compressed air flushing device for pipelines, comprising a silo, a suction pipe is fixedly arranged on the outer surface of the silo, a vacuum device is arranged on the right side of the silo, the air suction end of the vacuum device is connected to the upper part of the outer surface of the silo, a recoil device is arranged on the vacuum device, the vacuum device is used to vacuum the interior of the silo, and the recoil device is used to exhaust air into the silo.

[0008] Preferably, the vacuum extraction device comprises an air pump, the suction end of the air pump is connected to the interior of the silo through the bottom end of the suction pipe, and the discharge end of the air pump is fixedly provided with an exhaust pipe.

[0009] Preferably, the recoil device includes a first three-way valve, a second three-way valve and a recoil pipe, the top end of the recoil pipe is connected to the intake pipe, the right end of the recoil pipe is connected to the exhaust pipe, the first three-way valve is installed at the junction of the right end of the recoil pipe and the exhaust pipe, the second three-way valve is installed on the intake pipe, and the right end of the second three-way valve is connected to the exhaust pipe.

[0010] Preferably, the air intake pipe includes a first air pipe and a second air pipe, a dust collector is fixedly arranged between the first air pipe and the second air pipe, the left end of the first air pipe is fixedly arranged on the upper part of the outer surface of the silo, and the right end of the first air pipe is connected to the inlet of the dust collector.

[0011] Preferably, a pressure gauge is fixedly provided on the upper part of the outer surface of the silo, a magazine body is fixedly provided on the inner wall of the silo corresponding to the top of the suction pipe, a slider is slidably provided in the box body along the up and down directions, a threaded hole begins to be provided on the upper end surface of the slider, a first threaded rod is threadedly connected in the threaded hole, the first threaded rod protrudes upward from the upper end surface of the silo, and the first threaded rod is rotatably connected to the silo.

[0012] Preferably, an isolation plate is slidably arranged inside the silo along the up-down direction, a notch is opened on the isolation plate, the isolation plate is slidably arranged with the box body in the up-down direction through the notch, a second threaded rod is arranged inside the isolation plate along the up-down direction, the second threaded rod is threadedly connected to the isolation plate, the second threaded rod protrudes upward from the upper end surface of the silo, a bottom plate is fixedly arranged on the lower end surface of the box body, and the bottom plate is rotatably connected to the bottom end of the second threaded rod.

[0013] Preferably, a valve body is fixedly provided at the bottom end of the silo, and a baffle is slidably provided inside the valve body along the left-right direction.

[0014] Preferably, the air pump is fixedly provided with a frame, the frame is placed on the ground, and the air pump is a reciprocating air pump.

[0015] The utility model provides a reciprocating compressed air flushing device for pipelines, which has the following beneficial effects:

[0016] 1. The reciprocating compressed air flushing device for pipelines is provided with a material bin, a suction pipe, a vacuum device and a recoil device. When the device is used, after the material transportation is completed, the suction pipe needs to be backwashed, and the inner wall of the suction pipe is backwashed with compressed air through the recoil device. During operation, the pumping function of the vacuum device is used to generate compressed air to recoil the suction pipe, which is highly efficient and easy to operate.

[0017] 2. The reciprocating compressed air flushing device for pipelines is provided with a first three-way valve, a second three-way valve and a recoil pipe. When the suction pipe needs to be recoiled with compressed air, the handle of the first three-way valve is turned to the left so that the handle of the first three-way valve points to the recoil pipe, and the handle of the second three-way valve is turned to the right so that the handle of the second three-way valve points to the exhaust pipe. The air pump is started, and air enters from the exhaust pipe, passes through the second three-way valve, enters the suction end of the air pump, and is then discharged from the discharge end of the air pump, passes through the first three-way valve, enters the recoil pipe, and then enters the suction pipe from the recoil pipe. Then the air enters the silo from the suction pipe, and then enters the suction pipe from the silo, and is discharged from the bottom end of the suction pipe, thereby achieving the purpose of recoil-flushing the inside of the suction pipe with compressed air. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0019] Figure 2 This is a front view structural schematic diagram of the utility model;

[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of the box body of the utility model;

[0021] Figure 4 This is a schematic diagram of the internal three-dimensional structure of the silo of the utility model;

[0022] Figure 5 It is a three-dimensional structural schematic diagram of the vacuum device and the recoil device of the utility model.

[0023] Description of Reference Numerals

[0024] 1. Silo; 2. Suction pipe; 3. Air pump; 4. Suction pipe; 401. First air pipe; 402. Second air pipe; 5. Exhaust pipe; 6. Frame; 7. First three-way valve; 8. Second three-way valve; 9. Recoil pipe; 10. Dust collector; 11. Pressure gauge; 12. Box body; 13. Slider; 14. First threaded rod; 15. Isolation plate; 16. Second threaded rod; 17. Bottom plate; 18. Valve body; 19. Baffle. DETAILED DESCRIPTION

[0025] See also Figure 1-5 The utility model embodiment provides a reciprocating compressed air flushing device for pipelines, including a silo 1, a suction pipe 2 is fixedly arranged on the outer surface of the silo 1, a vacuum device is arranged on the right side of the silo 1, the air suction end of the vacuum device is connected to the upper part of the outer surface of the silo 1, and a recoil device is also arranged on the vacuum device. The vacuum device is used to vacuum the interior of the silo 1, and the recoil device is used to exhaust air into the silo 1.

[0026] When in use, materials are accumulated under the suction pipe 2, and then the vacuum pumping device is started to vacuum the inside of the silo 1, and the materials enter from the bottom end of the suction pipe 2, and then enter the silo 1 along the suction pipe 2 to achieve the purpose of suction. The suction pipe 2 is used as a material conveying pipe for a long time, which is easy to form crystals and scaling in the suction pipe 2, which may cause the suction pipe 2 to be blocked in severe cases. In order to facilitate the cleaning of the inside of the suction pipe 2, the inside of the suction pipe 2 is regularly blown out with compressed air through the recoil device to blow out the crystals and scaling in the suction pipe 2, so as to prevent the suction pipe 2 from being blocked when used for a long time. It is best to use the recoil device to recoil the inside of the suction pipe 2 with compressed air after each use, so as to easily blow out the crystals and scaling in the suction pipe 2, so as to avoid the scaling being more tightly combined with the inner wall of the suction pipe 2 over a long period of time and being difficult to blow out. During operation, the vacuum pumping function of the vacuum pumping device is used to recoil the suction pipe 2 with compressed air, which has high efficiency, simple operation and low equipment manufacturing cost.

[0027] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 In order to achieve the purpose of vacuuming the interior of the silo 1, in this embodiment, the vacuuming device includes an air pump 3, the suction end of the air pump 3 is connected to the interior of the silo 1 through the suction pipe 4, and the discharge end of the air pump 3 is fixedly provided with an exhaust pipe 5; when in use, the air pump 3 is started to vacuum the interior of the silo 1 through the suction pipe 4, and the pumped gas is discharged to the outside through the exhaust pipe 5.

[0028] See also Figure 1 , Figure 2 and Figure 5 The air pump 3 is fixedly arranged on a frame 6, and the frame 6 is placed on the ground.

[0029] See also Figure 1 , Figure 2 and Figure 5 , the air pump 3 is a reciprocating air pump.

[0030] See also Figure 1 , Figure 2 and Figure 5In order to realize the purpose of back-flushing the interior of the suction pipe 2 with compressed air, in this embodiment, the back-flushing device includes a first three-way valve 7, a second three-way valve 8 and a back-flushing pipe 9. The top end of the back-flushing pipe 9 is connected to the suction pipe 4, and the right end of the back-flushing pipe 9 is connected to the exhaust pipe 5. The first three-way valve 7 is installed at the junction of the right end of the back-flushing pipe 9 and the exhaust pipe 5, and the second three-way valve 8 is installed on the suction pipe 4. The right end of the second three-way valve 8 is connected to the exhaust pipe 5. In normal use, the handle of the first three-way valve 7 and the handle of the second three-way valve 8 The handle is in a vertical state, which means that the right end of the recoil pipe 9 is not connected to the exhaust pipe 5, the exhaust pipe 5 is connected to the discharge end of the air pump 3 through the first three-way valve 7, the suction pipe 4 is connected to the suction end of the air pump 3 through the second three-way valve 8, and the right end of the second three-way valve 8 is not connected to the exhaust pipe 5; the air path during normal use is that the air pump 3 is started, the air enters the silo 1 from the bottom end of the suction pipe 2, and then the air in the silo 1 enters the suction end of the air pump 3 through the suction pipe 4 and the second three-way valve 8, and then passes from the discharge end of the air pump 3 The first three-way valve 7 and the exhaust pipe 5 are discharged into the atmosphere; when use is completed and the suction pipe 2 needs to be recoiled with compressed air, the handle of the first three-way valve 7 is turned to the left, so that the handle of the first three-way valve 7 points to the recoil pipe 9, and the handle of the second three-way valve 8 is turned to the right, so that the handle of the second three-way valve 8 points to the exhaust pipe 5, which means that the exhaust pipe 5 is connected to the suction end of the air pump 3 through the second three-way valve 8, and the bottom end of the suction pipe 4 is closed by the second three-way valve 8, and the recoil pipe 9 is connected to the discharge end of the air pump 3 through the first three-way valve 7. The air is connected to the silo 1 through the first three-way valve 7, and the bottom end of the exhaust pipe 5 is closed by the first three-way valve 7. The air pump 3 is started. The air circulation route is that the air enters from the exhaust pipe 5, passes through the second three-way valve 8 and enters the suction end of the air pump 3, and is then discharged from the discharge end of the air pump 3, passes through the first three-way valve 7 and enters the recoil pipe 9, and then enters the suction pipe 4 from the recoil pipe 9, and then the air enters the silo 1 from the suction pipe 4, and then enters the suction pipe 2 from the silo 1, and is discharged from the bottom end of the suction pipe 2, so as to achieve the purpose of recoil of the interior of the suction pipe 2 with compressed air.

[0031] See also Figure 1 and Figure 2During normal use, the air pump 3 will vacuum the inside of the silo 1, and the silo 1 will absorb materials through the suction pipe 2. Dust from the materials will fill the silo 1, and the dust from the silo 1 will enter the suction pipe 4, and then enter the air pump 3, and be discharged into the atmosphere, causing pollution to the atmosphere. In order to solve this problem, in this embodiment, the suction pipe 4 includes a first air pipe 401 and a second air pipe 402, and a dust collector 10 is fixedly arranged between the first air pipe 401 and the second air pipe 402. The left end of the first air pipe 401 is fixedly arranged on the upper part of the outer surface of the silo 1, the right end of the first air pipe 401 is connected to the inlet of the dust collector 10, and the top end of the recoil pipe 9 is connected to the first air pipe 401; the top end of the second air pipe 402 is connected to the outlet of the dust collector 10, and the bottom end of the second air pipe 402 is connected to the second three-way Valve 8 is connected; the top of the recoil pipe 9 is connected to the first air pipe 401; in normal use, the gas enters the first air pipe 401 from the silo 1 and enters the second air pipe 402 through the dust collector 10 and then enters the suction end of the air pump 3, and then is discharged into the atmosphere from the exhaust pipe 5. The air extracted from the silo 1 by the air pump 3 is purified by the dust collector 10, so that the gas discharged by the air pump 3 will not cause atmospheric pollution; the air circulation route during recoil is that the exhaust pipe 5 enters the suction end of the air pump 3 through the second three-way valve 8 and then enters the recoil pipe 9 from the discharge end of the air pump 3 through the first three-way valve 7, and then enters the first air pipe 401, and then the air enters the silo 1, and then enters the suction pipe 2, and is discharged from the bottom end of the suction pipe 2, so that the compressed air recoils the inside of the suction pipe 2.

[0032] See also Figure 3 and Figure 4In order to increase the effect of compressed air on the recoil of the suction pipe 2, in this embodiment, a barometer 11 is fixedly provided on the upper part of the outer surface of the silo 1, and a box body 12 is fixedly provided on the inner wall of the silo 1 corresponding to the top of the suction pipe 2. A slider 13 is slidably provided in the box body 12 along the up and down directions. A threaded hole begins to be provided on the upper end surface of the slider 13, and a first threaded rod 14 is threadedly connected in the threaded hole. The first threaded rod 14 protrudes upward from the upper end surface of the silo 1, and the first threaded rod 14 is rotatably connected to the silo 1; the slider 13 is driven to slide upward by rotating the first threaded rod 14, so that the top of the suction pipe 2 is connected to the inside of the silo 1, and the slider 13 is driven to move downward by rotating the first threaded rod 14, so that the slider 13 seals the top of the suction pipe 2, and the silo 1 forms a closed container; in normal use, the slider 13 is driven by rotating the first threaded rod 14 The slider 13 moves upward to open the bottom end of the suction pipe 2, and the material is sucked through the suction pipe 2. At this time, the vacuum degree of the silo 1 can be observed through the barometer 11; after use, when it is necessary to recoil the inside of the suction pipe 2 with compressed air, first, the slider 13 slides downward by rotating the first threaded rod 14 to seal the bottom end of the suction pipe 2, and then the air pump 3 pumps air into the silo 1 through the recoil pipe 9. At this time, the air pressure in the silo 1 is observed through the barometer 11. When the set air pressure in the silo 1 is reached, the slider 13 is driven to move upward by rotating the first threaded rod 14 to open the top end of the suction pipe 2, so that the compressed air reaching the set air pressure in the silo 1 enters the suction pipe 2, and the suction pipe 2 is recoiled with compressed air, and the recoil effect is better; when recoiling, the air pressure in the silo 1 can be maintained within the pressure range of daily compressed air.

[0033] See also Figure 3 and Figure 4The above-mentioned recoil scheme of the suction pipe 2 needs to be carried out after the material in the silo 1 is emptied, otherwise a large amount of material dust will be blown out from the suction pipe 2. In order to solve this problem, in the present embodiment, an isolation plate 15 is provided inside the silo 1 for sliding along the up-down direction, and a notch is provided on the isolation plate 15. The isolation plate 15 is slidably arranged with the box body 12 in the up-down direction through the notch. A second threaded rod 16 is provided inside the isolation plate 15 along the up-down direction, and the second threaded rod 16 is threadedly connected with the isolation plate 15. The second threaded rod 16 protrudes upward from the upper end surface of the silo 1, and a bottom plate 17 is fixedly provided on the lower end surface of the box body 12, and the bottom plate 17 is rotatably connected with the bottom end of the second threaded rod 16; when it is necessary to perform compressed air recoil on the inside of the suction pipe 2, firstly, the first threaded rod 14 is rotated to drive the slider 13 to move downward to seal the top end of the suction pipe 2, and then the second threaded rod 16 is rotated to drive the isolation plate 15 to move downward until the upper end surface of the isolation plate 15 is in contact with the upper end surface of the bottom plate 17. Touch, at this time, the space above the isolation plate 15 is a closed space, and there is material below the isolation plate 15, the left end of the first air pipe 401 is located above the isolation plate 15, and the position where the pressure gauge 11 is connected to the silo 1 is located above the isolation plate 15; then turn the handle of the first three-way valve 7 to the left, so that the handle of the first three-way valve 7 points to the recoil pipe 9, and turn the handle of the second three-way valve 8 to the right; then the air pump 3 exhausts air into the silo 1 through the recoil pipe 9, and the air enters the top of the isolation plate 15 in the silo 1 through the first air pipe 401. At this time, observe that the pressure gauge 11 reaches the set air pressure, and then rotate the first threaded rod 14 to make the slider 13 move upward, and the slider 13 enters the notch of the isolation plate 15. At this time, the top of the suction pipe 2 is opened, and the compressed air enters the suction pipe 2 and is discharged from the bottom end of the suction pipe 2, so as to achieve the purpose of backblowing the inside of the suction pipe 2 with compressed air. Since the isolation plate 15 isolates the material, no material will be blown out during recoil.

[0034] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 In order to facilitate the discharge of the silo 1, in this embodiment, a valve body 18 is fixedly provided at the bottom end of the silo 1, and a baffle 19 is slidably provided inside the valve body 18 along the left and right directions; when the baffle 19 is pulled to the right, the material in the silo 1 is discharged downward through the valve body 18 under the action of gravity.

[0035] When the utility model is in use: start the air pump 3, so that the air pump 3 vacuumizes the silo 1 through the second air pipe 402, the dust collector 10 and the first air pipe 401, then rotate the first threaded rod 14 to make the slider 13 slide upward, open the top of the suction pipe 2, so that the material at the bottom of the suction pipe 2 is sucked into the silo 1 by the suction pipe 2, and the gas is discharged from the exhaust pipe 5 through the first three-way valve 7; after use, when it is necessary to perform compressed air recoil on the suction pipe 2, first rotate the first threaded rod 14 to drive the slider 13 to move downward, seal the top of the suction pipe 2, and then rotate the second threaded rod 16 to drive the isolation plate 15 to move downward until the upper end surface of the isolation plate 15 contacts the upper end surface of the bottom plate 17. At this time, the space above the isolation plate 15 is a closed space, and the space below the isolation plate 15 is a closed space. The left end of the first air pipe 401 is located above the isolation plate 15, and the position where the pressure gauge 11 is connected to the silo 1 is located above the isolation plate 15; then the handle of the first three-way valve 7 is turned to the left, so that the handle of the first three-way valve 7 points to the recoil pipe 9, and the handle of the second three-way valve 8 is turned to the right; then the air pump 3 exhausts air into the silo 1 through the recoil pipe 9, and the air enters the isolation plate 15 in the silo 1 through the first air pipe 401. At this time, the pressure gauge 11 is observed to reach the set air pressure, and then the first threaded rod 14 is rotated to make the slider 13 move upward, and the slider 13 enters the notch of the isolation plate 15. At this time, the top of the suction pipe 2 is opened, and the compressed air enters the suction pipe 2 and is discharged from the bottom end of the suction pipe 2, so as to achieve the purpose of backblowing the inside of the suction pipe 2 with compressed air.

[0036] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A reciprocating compressed air flushing device for a pipeline, comprising a silo (1), a suction pipe (2) fixedly arranged on the outer surface of the silo (1), a vacuum device arranged on the right side of the silo (1), an air extraction end of the vacuum device connected to the upper part of the outer surface of the silo (1), characterized in that: The vacuum device is provided with a recoil device, the vacuum device is used to vacuum the interior of the silo (1), and the recoil device is used to exhaust air into the silo (1); The vacuum extraction device comprises an air pump (3), the air suction end of the air pump (3) is connected to the interior of the silo (1) through an air suction pipe (4), and the discharge end of the air pump (3) is fixedly provided with an exhaust pipe (5); The recoil device comprises a first three-way valve (7), a second three-way valve (8) and a recoil pipe (9); the top end of the recoil pipe (9) is connected to the air intake pipe (4); the right end of the recoil pipe (9) is connected to the exhaust pipe (5); the first three-way valve (7) is installed at the junction of the right end of the recoil pipe (9) and the exhaust pipe (5); the second three-way valve (8) is installed on the air intake pipe (4); the right end of the second three-way valve (8) is connected to the exhaust pipe (5).

2. The reciprocating compressed air flushing device for pipelines according to claim 1, characterized in that: The air intake pipe (4) comprises a first air pipe (401) and a second air pipe (402), a dust collector (10) being fixedly arranged between the first air pipe (401) and the second air pipe (402), the left end of the first air pipe (401) being fixedly arranged on the upper part of the outer surface of the silo (1), the right end of the first air pipe (401) being connected to the inlet of the dust collector (10), and the top end of the recoil pipe (9) being connected to the first air pipe (401).

3. The reciprocating compressed air flushing device for pipelines according to claim 2, characterized in that: A pressure gauge (11) is fixedly provided on the upper part of the outer surface of the silo (1), and a box body (12) is fixedly provided on the inner wall of the silo (1) corresponding to the top end of the suction pipe (2). A slider (13) is slidably provided in the box body (12) in the up-down direction. A threaded hole is provided at the beginning of the upper end surface of the slider (13), and a first threaded rod (14) is threadedly connected in the threaded hole. The first threaded rod (14) protrudes upward from the upper end surface of the silo (1), and the first threaded rod (14) is rotatably connected to the silo (1).

4. The reciprocating compressed air flushing device for pipelines according to claim 3, characterized in that: An isolation plate (15) is slidably arranged in the upward and downward directions inside the silo (1), a notch is provided on the isolation plate (15), and the isolation plate (15) is slidably arranged in the upward and downward directions with the box body (12) through the notch, a second threaded rod (16) is arranged in the upward and downward directions inside the isolation plate (15), the second threaded rod (16) is threadedly connected to the isolation plate (15), the second threaded rod (16) protrudes upward from the upper end surface of the silo (1), and a bottom plate (17) is fixedly arranged on the lower end surface of the box body (12), and the bottom plate (17) is rotatably connected to the bottom end of the second threaded rod (16).

5. The reciprocating compressed air flushing device for pipelines according to claim 1, characterized in that: A valve body (18) is fixedly arranged at the bottom end of the silo (1), and a baffle (19) is slidably arranged inside the valve body (18) in the left-right direction.

6. The reciprocating compressed air flushing device for pipelines according to claim 1, characterized in that: A frame (6) is fixedly arranged on the lower end surface of the air pump (3); the frame (6) is placed on the ground; and the air pump (3) is a reciprocating air pump.

Images