CN219708436U - Long-distance dense-phase pneumatic conveying stabilizing device - Google Patents

Abstract

The utility model relates to the field of pneumatic transportation equipment, in particular to a long-distance concentrated phase pneumatic conveying stabilizing device, which comprises a high-pressure pipeline, a blocking plate and a pneumatic strain device, wherein one end of the high-pressure pipeline is communicated with a conveying pipeline in a pneumatic conveying system, the blocking plate is rotationally connected inside the high-pressure pipeline, the blocking plate can be rotationally controlled to be opened or closed by rotating, the pneumatic strain device is arranged on the conveying pipeline, the pneumatic strain device is connected with the blocking plate, and the pneumatic strain device can drive the blocking plate to rotate when the air pressure in the conveying pipeline changes. The utility model has the effects of improving the dredging of the conveying pipeline of the stabilizing device and saving energy.

Description

Long-distance dense-phase pneumatic conveying stabilizing device

Technical Field

The utility model relates to the technical field of pneumatic transportation equipment, in particular to a long-distance dense-phase pneumatic conveying stabilizing device.

Background

The positive pressure dense phase pneumatic transportation is a material transportation means, and the conveying device is simple, flexible in arrangement and small in maintenance workload. The main working principle is that the flow of gas in the pipeline is utilized to drive the material in the pipeline to flow, and the device is mainly used for conveying dust or granular materials.

In long-distance pneumatic transportation, a stabilizing device is usually arranged on a conveying pipeline to reduce the occurrence of blockage of the conveying pipeline. Traditional stabilising arrangement includes check valve and air supplementing pipeline, and air supplementing pipeline one end and pipeline inside intercommunication, the check valve is installed on the air supplementing pipeline. The air supplementing pipelines are arranged in a plurality along the length direction of the conveying pipeline, and the check valves are arranged in a plurality corresponding to the air supplementing pipelines. One end of the plurality of air supplementing pipelines, which is far away from the conveying pipeline, is communicated with the high-pressure main pipeline. When the conveying pipeline is blocked, the high-pressure main pipe is filled with high-pressure gas through the gas supplementing pipeline, so that the effect of reducing the blocking of the conveying pipeline is achieved.

A plurality of air supplementing pipelines in the prior art are communicated with the high-pressure pipeline, when the high-pressure pipeline conveys high-pressure gas, the gas is introduced into the conveying pipeline from the plurality of air supplementing pipelines (comprising the position where no blockage occurs), and the air supplementing pipelines cannot conduct targeted air supplementing according to the specific blockage position, so that energy waste is caused. And when a plurality of air supplementing pipelines supplement air in the conveying pipeline simultaneously, the pressure at the air outlet of the air supplementing pipeline is reduced, so that the traditional pneumatic conveying stabilizing device has higher energy consumption and has poor dredging effect on the conveying pipeline.

Disclosure of Invention

The utility model provides a long-distance dense-phase pneumatic conveying stabilizing device, which aims to improve the dredging effect of the stabilizing device on a conveying pipeline.

The utility model provides a long-distance dense-phase pneumatic conveying stabilizing device which adopts the following technical scheme:

the utility model provides a long distance dense phase air conveying stabilising arrangement, includes the high-pressure pipeline of one end and the pipeline intercommunication in the air conveying system, still includes shutoff board and pneumatic strain device, the shutoff board rotates to be connected inside the high-pressure pipeline to rotate the shutoff board and can control the break-make of high-pressure pipeline, pneumatic strain device installs on pipeline, and pneumatic strain device is connected with the shutoff board, pneumatic strain device can drive the shutoff board and rotate when the atmospheric pressure changes in pipeline.

By adopting the technical scheme, in the practical application process, a plurality of groups of stabilizing devices can be arranged on the conveying pipeline of the pneumatic conveying system. When the inside part of the conveying pipeline is blocked, the local air pressure in the conveying pipeline is increased, the air pressure strain device drives the blocking plate to rotate according to the change of air pressure, so that the high-pressure pipeline is communicated, and the high-pressure pipeline is filled with high-pressure air in the conveying pipeline, so that the dredging of the conveying pipeline is realized. Because the air pressure strain device can control the communication of the high-pressure pipelines according to the change of air pressure, a plurality of high-pressure pipelines can be opened one by one along with the movement of the blocking materials in the practical application process, the air supplementing to the blocking material position is realized, and the dredging effect of the stabilizing device is improved. When the air pressure in the conveying pipeline is recovered, the air pressure strain device can drive the plugging plate to plug the high-pressure pipeline, so that energy is saved.

Optionally, an end of the high-pressure pipeline far away from the conveying pipeline is inclined to one side along the length direction of the conveying pipeline.

Through adopting above-mentioned technical scheme, the high-pressure pipeline slope sets up, and the direction when high-pressure gas pours into the pipeline is inside is towards the place ahead of the interior material transportation of pipeline into to can improve the effect of high-pressure gas dredging pipeline.

Optionally, the air pressure strain device comprises an air cylinder, a piston and a transmission assembly, wherein the air cylinder is of a barrel-shaped structure with an opening at one side, the opening of the air cylinder is arranged on the conveying pipeline towards the conveying pipeline, and the interior of the conveying air cylinder is communicated with the interior of the conveying pipeline; the piston is in sliding fit in the air cylinder along the length direction of the air cylinder, and the transmission assembly is positioned between the plugging plate and the piston and is connected with the piston and the plugging plate at the same time; the piston can drive the plugging plate to rotate through the transmission assembly.

Through adopting above-mentioned technical scheme, piston sliding fit is inside the inflator, and when the atmospheric pressure of piston both sides was unbalanced, the piston can take place to remove according to the change of atmospheric pressure. And then the blocking plate is driven to rotate through the transmission component, so that the blocking plate is controlled according to the air pressure change in the conveying pipeline.

Optionally, the rotation axis of the plugging plate is perpendicular to the length direction of the high-pressure pipeline.

Through adopting above-mentioned technical scheme, when shutoff board perpendicular to high-pressure pipeline's length direction, the lateral wall of shutoff board is laminated with high-pressure pipeline inside wall, realizes the shutoff to high-pressure pipeline. And the blocking plate is rotated, and a gap is formed between the side wall of the blocking plate and the side wall of the high-pressure pipeline, so that the high-pressure pipeline is communicated. When the plugging plate is parallel to the length direction of the high-pressure pipeline, the high-pressure pipeline is in a fully opened state.

Optionally, the pneumatic strain device further comprises a guide rod, the guide rod is located at one side of the piston away from the conveying pipeline, one end of the guide rod is connected with the piston, the other end of the guide rod extends to the outside of the air cylinder along the length direction of the air cylinder, a sliding hole is formed in the air cylinder corresponding to the position of the guide rod, and the guide rod is in sliding fit in the sliding hole.

Through adopting above-mentioned technical scheme, the piston removes the in-process guide bar and leads the removal of piston, makes the piston remove more stable to and make things convenient for drive assembly and piston connection through setting up the guide bar.

Optionally, the transmission subassembly includes gear, connecting axle and rack, the connecting axle is coaxial with the axis of rotation of shutoff board, connecting axle one end is connected with the shutoff board, and the other end extends to high pressure pipe is outside, gear coaxial coupling is on the connecting axle, rack and gear engagement, and rack one end is connected with the guide bar.

By adopting the technical scheme, the piston can drive the guide rod to move by moving, and then the rack is driven to move. When the rack rotates relative to the gear, the gear can be driven to rotate, so that the plugging plate is driven to rotate, and the on-off control of the high-pressure pipeline is realized.

Optionally, the pneumatic strain device further comprises an elastic member mounted inside the air cylinder for maintaining the piston in a tendency to move in a direction approaching the delivery pipe.

Through adopting above-mentioned technical scheme, under the effect of elastic component, the piston can automatic re-setting after the atmospheric pressure in the pipeline resumes to make the shutoff board shutoff to high pressure pipeline, reach the effect of energy saving.

Optionally, a baffle ring is arranged on the inner side wall of the inflator, the baffle ring is positioned on one side of the piston close to the conveying pipeline, and the baffle ring is used for blocking the piston to move towards the direction close to the conveying pipeline.

By adopting the technical scheme, when the length direction of the high-pressure pipeline is vertical to the plugging plate, the high-pressure pipeline is in a closed state. Under the action of the baffle ring and the elastic piece, the blocking plate is not easy to move when no external force exists, so that the blocking plate can stably block the high-pressure pipeline when no blocking phenomenon exists in the conveying pipeline.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present utility model.

Fig. 2 is a schematic cross-sectional structure of an embodiment of the present utility model.

Reference numerals: 1. a high pressure pipe; 2. a plugging plate; 3. an air pressure strain device; 31. an air cylinder; 32. a piston; 33. a transmission assembly; 331. a connecting shaft; 332. a gear; 333. a rack; 34. a guide rod; 35. an elastic member; 4. a delivery conduit; 5. a baffle ring.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-2.

The embodiment of the utility model discloses a long-distance dense-phase pneumatic conveying stabilizing device.

Referring to fig. 1 and 2, a long-distance dense-phase pneumatic conveying stabilizing device comprises a high-pressure pipeline 1, a plugging plate 2 and a pneumatic strain device 3, wherein the high-pressure pipeline 1 is arranged on a conveying pipeline 4 (in the embodiment, the conveying pipeline 4 refers to a material conveying pipeline 4 in a pneumatic conveying system), one end of the high-pressure pipeline 1 is communicated with the inside of the conveying pipeline 4, and the other end of the high-pressure pipeline is communicated with a high-pressure air source. The plugging plate 2 is rotationally connected inside the high-pressure pipeline 1, and the high-pressure pipeline 1 can be controlled to be turned on or off by rotating the plugging plate 2. The air pressure strain device 3 is arranged on the conveying pipeline 4, and the air pressure strain device 3 can control the plugging plate 2 to rotate according to the change of air pressure in the conveying pipeline 4, so that the on-off of the high-pressure pipeline 1 is realized.

Referring to fig. 1 and 2, when the stabilizing device is used, a plurality of stabilizing devices can be arranged along the length direction of the conveying pipeline 4, when the conveying pipeline 4 is blocked at different positions, local air pressure in the conveying pipeline 4 is increased, at the moment, the air pressure strain device 3 controls the high-pressure pipeline 1 to be opened according to air pressure change, high-pressure air is introduced into the conveying pipeline 4, and energy conservation is realized. And because the high-pressure pipeline 1 is only opened to the blocking position, the pressure reduction at the air outlet of the high-pressure pipeline 1 is smaller, and the effect of the stabilizing device on air supplementing and dredging can be improved.

Referring to fig. 2, the high-pressure pipeline 1 is of a cylindrical structure, and one end of the high-pressure pipeline 1, which is far away from the conveying pipeline 4, is inclined in a direction opposite to the conveying direction, so that the high-pressure pipeline 1 can better push materials to move when gas is injected into the conveying pipeline 4, and the effect of dredging the conveying pipeline 4 by the stabilizing device is improved. The shutoff board 2 is discoid structure, and shutoff board 2 coaxial arrangement is inside high-pressure pipe 1 to the inside wall laminating of the inside wall of shutoff board 2 board and high-pressure pipe 1 can be. In this state, the blocking plate 2 can block the high-pressure pipe 1. The axis of rotation of shutoff board 2 is perpendicular to the axis of high-pressure pipeline 1, rotates shutoff board 2, and the lateral wall of shutoff board 2 and the inside wall of high-pressure pipeline 1 produce the clearance, realize the intercommunication of high-pressure pipeline 1.

Referring to fig. 2, the pneumatic strain device 3 includes a cylinder 31 and a piston 32, the cylinder 31 has a circular barrel-like structure with an opening at one side, and the longitudinal direction of the cylinder 31 is parallel to the longitudinal direction of the high-pressure pipe 1. The air cylinder 31 is welded to the delivery pipe 4 toward the delivery pipe 4, and the inside of the air cylinder 31 communicates with the inside of the delivery pipe 4. The piston 32 is in a disc-shaped structure, the piston 32 is coaxially arranged in the air cylinder 31, and the side wall of the piston 32 is attached to the inner side wall of the air cylinder 31; and the piston 32 is capable of sliding along the length direction of the cylinder 31. The end surface of the air cylinder 31 far from the conveying pipeline 4 is provided with a vent hole for exhausting air in the air cylinder 31 so as to facilitate the movement of the piston 32.

Referring to fig. 2, the pneumatic strain device 3 further includes a guide rod 34, one end of the guide rod 34 is welded to a side of the piston 32 remote from the delivery pipe 4, and the other end extends to the outside of the air cylinder 31 in the axial direction of the air cylinder 31. The inflator 31 is provided with a sliding hole corresponding to the guide rod 34, and the guide rod 34 is in sliding fit in the sliding hole. The guide rod 34 can guide the movement of the piston 32, so that the movement of the piston 32 is more stable.

Referring to fig. 1 and 2, the air pressure strain device 3 further includes a transmission assembly 33, the transmission assembly 33 includes a rack 333 and a gear 332, the rack 333 is disposed along the length direction of the air cylinder 31, and one end of the rack 333 is welded to the end surface of the guide rod 34 remote from the piston 32. The plugging plate 2 is coaxially provided with a connecting shaft 331 on the rotation axis thereof, one end of the connecting shaft 331 is welded on the plugging plate 2, and the other end extends to the outside of the high-pressure pipeline 1. The gear 332 is coaxially welded to an end of the connection shaft 331 remote from the closure plate 2, and the gear 332 is engaged with the rack 333. When the inside of the conveying pipeline 4 is blocked, the air pressure in the conveying pipeline 4 is locally increased, so that the piston 32 moves along the length direction of the air cylinder 31 to the end far away from the conveying pipeline 4, and then the rack 333 is driven to move. The rack 333 can drive the gear 332 to rotate during the moving process relative to the gear 332, so as to rotate the plugging plate 2. The rotation of the plugging plate 2 can enable the high-pressure pipeline 1 to be communicated, so that high-pressure gas in the high-pressure pipeline 1 is injected into the conveying pipeline 4 to realize dredging of a plugging part in the conveying pipeline 4.

Referring to fig. 2, the pneumatic strain device 3 further includes an elastic member 35, the elastic member 35 being installed inside the air cylinder 31 for maintaining the piston 32 in a trend toward the direction of the delivery pipe 4. In this embodiment, the elastic member 35 is a compression spring, and the compression spring is sleeved on the guide rod 34. One end of the compression spring is welded to the piston 32, the other end is welded to the air cylinder 31, and the compression spring is in a compressed state. Under the action of the compression spring, the compression spring can drive the piston 32 to automatically reset after the internal pressure of the conveying pipeline 4 is recovered, so that the high-pressure pipeline 1 is plugged by the plugging plate 2, and the energy consumption is reduced.

Referring to fig. 2, a baffle ring 5 is disposed on the inner side wall of the air cylinder 31, the baffle ring 5 is located on one side of the piston 32 close to the conveying pipeline 4, the baffle ring 5 is in a circular ring structure, and the baffle ring 5 is coaxially welded inside the air cylinder 31. When the piston 32 abuts against the stopper ring 5 near the side wall of the delivery pipe 4, the blocking plate 2 is in a state of blocking the high-pressure pipe 1. At this time, the stopper ring 5 can block the piston 32 from moving in a direction approaching the conveying pipeline 4, so that the blocking plate 2 can stably block the high-pressure pipeline 1 when no blockage occurs in the conveying pipeline 4.

The implementation principle of the long-distance concentrated phase pneumatic conveying stabilizing device provided by the embodiment of the utility model is as follows: when a local blockage occurs in the interior of the transport pipe 4, the local air pressure in the interior of the transport pipe 4 rises. At this time, because the pressure of the piston 32 near the conveying pipeline 4 increases, the piston 32 moves towards the direction far away from the conveying pipeline 4, so that the rack 333 drives the gear 332 to rotate, the blocking plate 2 is further rotated, the high-pressure pipeline 1 is communicated after the blocking plate 2 rotates, high-pressure gas is conveyed to the inside of the conveying pipeline 4, and the blocking part of the conveying pipeline 4 is dredged. Because the stabilizing device can control the high-pressure pipeline 1 corresponding to the blocking part to be communicated according to the blocking condition of the conveying pipeline 4, when the interior of the conveying pipeline 4 is not blocked, the high-pressure air source can stop working, so that energy is saved.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. The utility model provides a long distance dense phase air conveying stabilising arrangement, includes high pressure pipeline (1) that one end and air conveying system's pipeline (4) communicate, its characterized in that: the device comprises a high-pressure pipeline (1), and is characterized by further comprising a plugging plate (2) and a pneumatic strain device (3), wherein the plugging plate (2) is rotationally connected inside the high-pressure pipeline (1), the high-pressure pipeline (1) can be controlled to be turned on or off by rotating the plugging plate (2), the pneumatic strain device (3) is arranged on a conveying pipeline (4), and the pneumatic strain device (3) is connected with the plugging plate (2); the air pressure strain device (3) can drive the plugging plate (2) to rotate when the air pressure in the conveying pipeline (4) changes.

2. The long-distance concentrated-phase pneumatic conveying stabilizing device according to claim 1, wherein: one end of the high-pressure pipeline (1) far away from the conveying pipeline (4) is inclined to one side along the length direction of the conveying pipeline (4).

3. The long-distance concentrated-phase pneumatic conveying stabilizing device according to claim 1, wherein: the air pressure strain device (3) comprises an air cylinder (31), a piston (32) and a transmission assembly (33), wherein the air cylinder (31) is of a barrel-shaped structure with an opening at one side, the air cylinder (31) is installed on the conveying pipeline (4) towards the conveying pipeline (4), and the interior of the conveying air cylinder (31) is communicated with the interior of the conveying pipeline (4); the piston (32) is in sliding fit inside the air cylinder (31) along the length direction of the air cylinder (31), and the transmission assembly (33) is positioned between the plugging plate (2) and the piston (32) and simultaneously connects the piston (32) and the plugging plate (2); the piston (32) can drive the plugging plate (2) to rotate through the transmission assembly (33).

4. The long-distance concentrated-phase pneumatic conveying stabilizing device according to claim 1, wherein: the rotation axis of the plugging plate (2) is perpendicular to the length direction of the high-pressure pipeline (1).

5. A long-distance concentrated phase pneumatic conveying stabilizing device according to claim 3, wherein: the pneumatic strain device (3) further comprises a guide rod (34), the guide rod (34) is located on one side, far away from the conveying pipeline (4), of the piston (32), one end of the guide rod (34) is connected with the piston (32), the other end of the guide rod extends to the outside of the air cylinder (31) along the length direction of the air cylinder (31), a sliding hole is formed in the air cylinder (31) corresponding to the guide rod (34), and the guide rod (34) is in sliding fit in the sliding hole.

6. The long-distance concentrated-phase pneumatic conveying stabilizing device according to claim 5, wherein: the transmission assembly (33) comprises a gear (332), a connecting shaft (331) and a rack (333), the connecting shaft (331) is coaxial with the rotation axis of the plugging plate (2), one end of the connecting shaft (331) is connected with the plugging plate (2), the other end of the connecting shaft extends to the outside of the high-pressure pipeline (1), the gear (332) is coaxially connected to the connecting shaft (331), the rack (333) is meshed with the gear (332), and one end of the rack (333) is connected with the guide rod (34).

7. A long-distance concentrated phase pneumatic conveying stabilizing device according to claim 3, wherein: the air pressure strain device (3) further comprises an elastic piece (35), wherein the elastic piece (35) is arranged inside the air cylinder (31) and used for keeping the piston (32) to move towards the direction approaching the conveying pipeline (4).

8. The long-distance concentrated-phase pneumatic conveying stabilizing device according to claim 7, wherein: the inner side wall of the air cylinder (31) is provided with a baffle ring (5), the baffle ring (5) is positioned on one side of the piston (32) close to the conveying pipeline (4), and the baffle ring (5) is used for blocking the piston (32) to move towards the direction close to the conveying pipeline (4).