CN212268823U

CN212268823U - Pneumatic conveying pump for conveying powder

Info

Publication number: CN212268823U
Application number: CN202020932545.7U
Authority: CN
Inventors: 兰乾诗
Original assignee: Wuxi Beisco Automation Technology Co ltd
Current assignee: Besco material automation system (Wuxi) Co.,Ltd.
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-01-01
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses a pneumatic conveying pump of usefulness is carried to powder, which comprises a pump body, the skin weld of the pump body has the inlet pipe, the surface mounting of the pump body has the motor, the axis of rotation of motor is connected with the actuating lever, the surface of actuating lever is provided with spiral propelling movement page or leaf, the lower extreme of the pump body is connected with the discharge tube, the lower extreme of discharge tube is connected with the conveyer pipe, the one end of conveyer pipe is connected with first air supply pipe. When the pneumatic conveying pump drives the grinding roller to rotate through the motor, the powder is crystallized and ground into powder through the grinding roller and the conical friction cavity, so that the situation that the pipeline blocks the powder and the powder cannot be conveyed to a terminal bin can be effectively avoided; drive spiral propelling movement page or leaf through the motor and carry powder and second source pipe downwards and blow to causing UNICOM's department to produce the negative pressure through the spray tube blowout in to sealed frame to carry the conveyer pipe inboard with the powder fast, can avoid the powder backward flow that the air current confusion caused.

Description

Pneumatic conveying pump for conveying powder

Technical Field

The utility model belongs to the technical field of pneumatic conveyor, specifically be a pneumatic conveying pump of powder transport usefulness.

Background

Pneumatic conveying, also known as air flow conveying, is a specific application of fluidization technology, which utilizes the energy of air flow to convey granular materials in an enclosed pipeline along the direction of the air flow. The pneumatic conveying device has simple structure and convenient operation, and can be used for horizontal, vertical or inclined conveying.

Because the pneumatic conveying applies pneumatic force to the conveyed materials through airflow, the materials are pushed to move, the materials are conveyed, the pneumatic conveying device provides limited pneumatic force, when the conveyed materials contain hardened particles, the hardened particles are large in mass, different in shape and different in size, and the particles are extremely easy to accumulate in a pipeline to block the conveying pipeline after entering the conveying pipeline, and the particles are conveyed to a terminal bin to cause arching in the terminal bin and unsmooth blanking; and the powder is difficult to form continuous, uniform and compact material plugs, and the pressure of compressed air in the mixing chamber is high, so that gas and material backflow is easy to cause.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pneumatic conveying pump of powder transport usefulness to solve the problem that the conveyer pipe was blockked up in the powder crystallization.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pneumatic conveying pump of powder transport usefulness, includes the pump body, the skin weld of the pump body has the inlet pipe, the surface mounting of the pump body has the motor, the motor model: YS 7124, the axis of rotation of motor is connected with the actuating lever, the surface of actuating lever is provided with the spiral propelling movement page or leaf, and the motor drives actuating lever and spiral propelling movement page or leaf and rotates, will get into the inside powder of the pump body from the inlet pipe and carry downwards and avoid blockking up, the lower extreme of the pump body is connected with the discharge tube, the lower extreme of discharge tube is connected with the conveyer pipe, the one end of conveyer pipe is connected with first air supply pipe, thereby the powder is carried in the conveyer pipe to blowing in the conveyer pipe to first air supply pipe.

Preferably, the upper end of discharge tube is equipped with the toper friction chamber, and the inner wall in toper friction chamber is equipped with the slope line of rubbing, the lower extreme of discharge tube is equipped with higher speed the chamber, and the chamber blows in the conveyer pipe inboard with the powder fast through the air current with higher speed, is equipped with the mouth of UNICOM between chamber and the toper friction chamber with higher speed, and the pump body is discharged the powder of toper friction intracavity downwards and is gone into from the mouth of UNICOM and accelerate the intracavity side downwards.

Preferably, the grinding roller is installed to the lower extreme of actuating lever, and the grinding roller surface is provided with the slope friction line, by the last constantly diminishing down between grinding roller and the toper friction chamber to grind the large granule crystallization into powder, grind the inboard that the roller is located toper friction chamber, grind the roller and rotate, will be located toper friction chamber and grind the crystallization between the roller and smash, thereby avoid the unable large granule crystallization of carrying of wind-force to cause the pipe blockage.

Preferably, the surface welding of discharge tube has the sealing frame, and sealing frame ring discharge tube a week welding, the sealed setting of the junction of sealing frame and discharge tube, the surface welding of sealing frame has the second air supply pipe, and the second air supply pipe is to the annular intracavity air feed that forms between sealing frame and the discharge tube.

Preferably, the spray tube is evenly installed to the inboard in chamber with higher speed, and the nozzle slope of spray tube sets up downwards, and the surface of unloading pipe is run through to the one end of spray tube, and the second plays the source pipe and blows in to sealed frame, blows in with higher speed the intracavity through the spray tube, and the gas slope that the spray tube blew out is downward, makes the UNICOM mouth produce the negative pressure to quick blow in the conveyer pipe inboard downwards with the powder.

Preferably, the surface of conveyer pipe is provided with reserves the mouth, reserves the mouth and is circular mouth, reserves the mouth and is located the lower extreme in chamber with higher speed, and the intracavity gas is accelerated and is gone into in the conveyer pipe through reserving the mouth downwards.

Preferably, the sealing frame is an annular groove frame, the sealing frame is welded on the surface of the discharging pipe in a sealing mode, the sealing frame is inflated through the second starting pipe, and then the powder is sprayed out through the spraying pipe to accelerate the powder in the acceleration cavity to enter the conveying pipe downwards.

Compared with the prior art, the beneficial effects of the utility model are that: when the pneumatic conveying pump drives the grinding roller to rotate through the motor, the powder is crystallized and ground into powder through the grinding roller and the conical friction cavity, so that the situation that the powder cannot be conveyed to a terminal bin due to pipeline blockage can be effectively avoided.

Drive spiral propelling movement page or leaf through the motor and carry powder and second source pipe downwards and blow to causing UNICOM's department to produce the negative pressure through the spray tube blowout in to sealed frame to carry the conveyer pipe inboard with the powder fast, can avoid the powder backward flow that the air current confusion caused.

Drawings

FIG. 1 is a sectional view of the overall structure of the present invention;

fig. 2 is a schematic view of the sealing frame of the present invention.

In the figure: the device comprises a pump body 1, a feeding pipe 11, a motor 12, a driving rod 13, a spiral pushing blade 14, a grinding roller 15, a discharging pipe 2, a conical friction cavity 21, an acceleration cavity 22, a sealing frame 23, a communication port 24, a spray pipe 25, a second air source pipe 26, a conveying pipe 3, a reserved port 31 and a first air source pipe 32.

Detailed Description

Please refer to fig. 1, a pneumatic conveying pump for powder conveying, including the pump body 1, the skin weld of the pump body 1 has the inlet pipe 11, the surface mounting of the pump body 1 has the motor 12, the rotation axis connection of the motor 12 has the actuating lever 13, the surface of the actuating lever 13 is provided with the spiral propelling movement page 14, the motor 12 drives the actuating lever 13 and the rotation of the spiral propelling movement page 14, the powder that will get into the pump body 1 inside from the inlet pipe 11 is carried downwards and is avoided blockking up, and can effectually prevent the gas reflux, the lower extreme of the pump body 1 is connected with the discharge tube 2, the lower extreme of the discharge tube 2 is connected with the conveyer pipe 3, the one end of the conveyer pipe 3 is connected with the first air source pipe 32, thereby the powder is carried in the conveyer.

Referring to fig. 1, a conical friction chamber 21 is disposed at an upper end of the discharge pipe 2, inclined friction lines are disposed on an inner wall of the conical friction chamber 21, an acceleration chamber 22 is disposed at a lower end of the discharge pipe 2, the acceleration chamber 22 blows powder into an inner side of the delivery pipe 3 rapidly through air flow, a communication opening 24 is disposed between the acceleration chamber 22 and the conical friction chamber 21, and powder discharged into the conical friction chamber 21 from the pump body 1 downwardly enters the acceleration chamber 22 from the communication opening 24.

Referring to fig. 1, a grinding roller 15 is installed at the lower end of the driving rod 13, inclined friction lines are arranged on the surface of the grinding roller 15, the size between the grinding roller 15 and the conical friction cavity 21 is gradually reduced from top to bottom, so that large-particle crystals are ground into powder, the grinding roller 15 is located on the inner side of the conical friction cavity 21, the grinding roller 15 rotates to crush the crystals located between the conical friction cavity 21 and the grinding roller 15, and therefore pipeline blockage caused by the fact that large-particle crystals cannot be conveyed by wind power is avoided.

Referring to fig. 1 and 2, a sealing frame 23 is welded to the surface of the discharge pipe 2, the sealing frame 23 is welded around the discharge pipe 2, a joint between the sealing frame 23 and the discharge pipe 2 is sealed, a second gas source pipe 26 is welded to the surface of the sealing frame 23, and the second gas source pipe 26 supplies gas to an annular cavity formed between the sealing frame 23 and the discharge pipe 2.

Referring to fig. 1, spray pipes 25 are uniformly installed inside the acceleration chamber 22, nozzles of the spray pipes 25 are arranged obliquely downward, one end of each spray pipe 25 penetrates through the surface of the discharge pipe 2, a second starting pipe 26 blows air into the sealing frame 23 and blows the air into the acceleration chamber 22 through the corresponding spray pipe 25, the air blown out by the corresponding spray pipe 25 is inclined downward, so that a negative pressure is generated at the communication port 24, and powder is blown downward into the conveying pipe 3 rapidly.

Referring to fig. 1, a reserved opening 31 is formed in the surface of the conveying pipe 3, the reserved opening 31 is a circular opening, the reserved opening 31 is located at the lower end of the accelerating cavity 22, and the gas in the accelerating cavity 3 flows downward into the conveying pipe 3 through the reserved opening 31.

Referring to fig. 1 and 2, the sealing frame 23 is an annular groove frame, the sealing frame 23 is welded on the surface of the discharging tube 2 in a sealing manner, the sealing frame 23 is inflated through the second starting tube 26, and then the powder is ejected out through the nozzle 25, so that the powder in the acceleration cavity 22 is accelerated to enter the conveying tube 3 downwards.

The working principle of the scheme is as follows: when this pneumatic conveying pump uses, the inlet pipe 11 is to carrying the powder in the pump body 1, drive actuating lever 13 and grinding roller 15 through motor 12 and rotate, because grinding roller 15 is located toper friction chamber 21 inboard, the powder is through the gap between grinding roller 15 and the toper friction chamber 21 downwards through linking up in opening 24 entering acceleration chamber 22, and the crystallization in the powder is when passing through between grinding roller 15 and the toper friction chamber 21, grind the powder into the powder through grinding roller 15 and toper friction chamber 21, thereby can effectually avoid the pipeline to block up the unable terminal storehouse of carrying of powder.

Because the surface of actuating lever 13 is equipped with spiral propelling movement page or leaf 14, when driving spiral propelling movement page or leaf 14 through motor 12 and rotating, can carry the inside powder of pump body 1 downwards, and the second pipe 26 of initiating blows in to sealed frame 23, when spouting through spray tube 25, can cause the mouth 24 of UNICOM to produce the negative pressure, thereby inhale the powder with higher speed chamber 22 from the mouth 24 of UNICOM with the powder fast, then carry the conveyer pipe 3 inboard, with this powder backward flow that can avoid the air current confusion to cause.

Claims

1. The utility model provides a pneumatic conveying pump of powder transport usefulness, includes the pump body (1), its characterized in that: the skin weld of the pump body (1) has inlet pipe (11), the surface mounting of the pump body (1) has motor (12), the axis of rotation of motor (12) is connected with actuating lever (13), the surface of actuating lever (13) is provided with spiral propelling movement page or leaf (14), the lower extreme of the pump body (1) is connected with discharge tube (2), the lower extreme of discharge tube (2) is connected with conveyer pipe (3), the one end of conveyer pipe (3) is connected with first air supply pipe (32).

2. The pneumatic conveying pump for conveying powder according to claim 1, characterized in that: the upper end of discharge tube (2) is equipped with toper friction chamber (21), the lower extreme of discharge tube (2) is equipped with higher speed chamber (22), is equipped with between chamber (22) and toper friction chamber (21) and leads to mouth (24) with higher speed.

3. The pneumatic conveying pump for conveying powder according to claim 1, characterized in that: and a grinding roller (15) is arranged at the lower end of the driving rod (13), and the grinding roller (15) is positioned on the inner side of the conical friction cavity (21).

4. The pneumatic conveying pump for conveying powder according to claim 1, characterized in that: the surface welding of discharge tube (2) has sealed frame (23), and the surface welding of sealed frame (23) has second air supply pipe (26).

5. The pneumatic conveying pump for conveying powder according to claim 2, characterized in that: spray pipes (25) are uniformly arranged on the inner side of the accelerating cavity (22), and one ends of the spray pipes (25) penetrate through the surface of the discharging pipe (2).

6. The pneumatic conveying pump for conveying powder according to claim 1, characterized in that: the surface of the conveying pipe (3) is provided with a reserved opening (31), and the reserved opening (31) is positioned at the lower end of the accelerating cavity (22).

7. The pneumatic conveying pump for conveying powder according to claim 1, characterized in that: the sealing frame (23) is an annular groove frame.