CN210192806U

CN210192806U - Environment-friendly pneumatic conveying device

Info

Publication number: CN210192806U
Application number: CN201920903252.3U
Authority: CN
Inventors: Gongxun Jia; 贾功勋
Original assignee: Anhui Nailide Pneumatic Conveying Co Ltd
Current assignee: Anhui Nailide Pneumatic Conveying Co Ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-03-27
Anticipated expiration: 2029-06-14

Abstract

The utility model relates to an air conveying technical field, concretely relates to environment-friendly air conveying device, including the feeder hopper, the bottom of feeder hopper is provided with the rotary valve, the bottom of feeder hopper is equipped with the conveyer pipe that communicates with the rotary valve, one side outside of feeder hopper is equipped with the air-blower, there is a tuber pipe air-out end of air-blower through flange joint, the one end that the air-blower was kept away from to the tuber pipe is connected with the one end of conveyer pipe, the outer wall welding that goes out the tuber pipe has the defeated tuber pipe of through connection. The utility model overcomes prior art's is not enough, can make things convenient for the powder to carry through being provided with defeated tuber pipe and zhi fengguan, because the slope of nozzle orientation and the direction that the powder was carried, when the bend of conveyer pipe is flowed through to the powder, nozzle spun air current and powder fluid are alternately for the powder can continue to carry, avoids the powder fluid to take place the striking with the bend inner wall of conveyer pipe, thereby can reduce the degree of wear of powder.

Description

Environment-friendly pneumatic conveying device

Technical Field

The utility model relates to an air conveying technical field, concretely relates to environment-friendly air conveying device.

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.

Through the retrieval, the patent of publication number CN204823259U discloses an environment-friendly pneumatic conveyor, and it includes feeder hopper, conveying pump, fan, pneumatic conveyor pipe, spiral discharger and processing equipment, the feeder hopper is connected with the conveying pump, be equipped with the setting gauge in the discharge gate of feeder hopper, the fan passes through the tuber pipe and is connected with the conveying pump, the conveying pump is connected with pneumatic conveyor pipe, pneumatic conveyor pipe comprises inner tube, outer tube, jet-propelled nozzle stub, the gas port of going out, interior gas outlet, the fan passes through intake pipe and outer union coupling, the inner tube is connected with the conveying pump, the even setting in bank of jet-propelled nozzle stub is between inner tube and outer tube, it sets up in the junction of jet-propelled nozzle stub and outer tube to go out the gas port.

However, when the powder conveying device is in practical use, powder is easy to block the bottom outlet of the feeding hopper when falling and is difficult to treat, so that the powder conveying is unsmooth, and when the powder is conveyed inside the conveying pipe, the powder is easy to impact with the bent part of the conveying pipe under the driving of air flow, so that the powder is subjected to transitional wear.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an environment-friendly pneumatic conveyor has overcome the not enough of prior art, has effectually solved the powder and has strikeed with the bend of conveyer pipe easily under the drive of air current to arouse the powder to take place the problem of transition wearing and tearing.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

an environment-friendly pneumatic conveying device comprises a feeding hopper, wherein a rotary valve is arranged at the bottom of the feeding hopper, a conveying pipe communicated with the rotary valve is arranged at the bottom of the feeding hopper, an air blower is arranged outside one side of the feeding hopper, an air outlet end of the air blower is connected with an air outlet pipe through a flange, one end of the air outlet pipe, far away from the air blower, is connected with one end of the conveying pipe, the outer wall of the air outlet pipe is welded with an air conveying pipe in through connection, one end of the air conveying pipe, far away from the air outlet pipe, is connected with the top end of the feeding hopper, the outer wall of the middle section of the air conveying pipe is connected with a branch air pipe, the branch air pipe penetrates through the feeding hopper, one end of the branch air pipe, far away from the air conveying pipe, is connected with the top end of the outer wall of the feeding hopper, the, the bottom end of the rotating rod is provided with a stirring rod;

the conveyer pipe is "Z" shape structure, the inside department of buckling of conveyer pipe is provided with the closing plate of arc structure, it is formed with the air cavity to surround between the inner wall of closing plate and conveyer pipe, the intrados of closing plate is provided with evenly distributed's nozzle, the department of buckling outer wall of conveyer pipe is provided with the blast pipe that link up with the air cavity.

Preferably, the stirring rod is of an L-shaped structure and is located at the bottom outlet of the feed hopper.

Preferably, the branch tuber pipe is located the inside section top of feeder hopper and is the structure of falling V-arrangement, the junction of branch tuber pipe and feeder hopper is provided with the sealing washer.

Preferably, the one end that the conveyer pipe is close to the air-blower has set gradually check valve and pneumatic butterfly valve, the top of feeder hopper is provided with feed valve and snuffle valve.

Preferably, the connection part of the rotating rod and the branch air pipe is a mechanical sealing mechanism, and the number of the air cups is at least three.

Preferably, the angle between the nozzle and the sealing plate is twenty to forty degrees, and the nozzle is inclined in the same direction as the flow direction of the fluid.

(III) advantageous effects

The embodiment of the utility model provides an environment-friendly pneumatic conveyor possesses following beneficial effect:

1. can make things convenient for the powder to carry through being provided with defeated tuber pipe and bronchus, during the use, through starting the air-blower, thereby can be to the inside blast air of defeated tuber pipe and bronchus, when wind passed from the inside of bronchus, wind-force takes the bull stick rotatory through the wind cup, the bull stick area puddler is rotatory, because the puddler sets up the bottom exit at the feeder hopper, the puddler can stir the powder in feeder hopper exit, can avoid the powder stifled bottom at the feeder hopper, guarantee the smooth and easy nature of unloading.

2. Through being provided with the closing plate, through the inside drum gas of blast pipe to the air cavity, wind blows to the inside of conveyer pipe to one side through the nozzle, because the slope orientation of nozzle and the direction that the powder was carried, when the bend of conveyer pipe was flowed through to the powder, nozzle spun air current and powder fluid intersect for the powder can continue to carry, avoids the powder fluid to take place the striking with the bend inner wall of conveyer pipe, thereby can reduce the degree of wear of powder.

Drawings

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

FIG. 2 is a schematic top view of the branch duct, the air chamber, the rotary rod and the air cup of the present invention;

fig. 3 is an enlarged schematic view of part a of the present invention.

In the figure: 1 feed hopper, 2 rotary valves, 3 delivery pipes, 4 blowers, 5 air outlet pipes, 6 air delivery pipes, 7 branch air pipes, 8 air cavities, 9 rotary rods, 10 air cups, 11 stirring rods, 12 check valves, 13 pneumatic butterfly valves, 14 air escape valves, 15 feed valves, 16 storage bins, 17 dust removers, 18 sealing plates, 19 air cavities, 20 air nozzles and 21 air blowing pipes.

Detailed Description

The invention will be further described with reference to the following figures 1-3 and examples:

an environment-friendly pneumatic conveying device comprises a feed hopper 1, wherein the bottom of the feed hopper 1 is provided with a rotary valve 2, the rotary valve 2 is used for conveniently controlling powder inside the feed hopper 1 to enter a conveying pipe 3, the bottom of the feed hopper 1 is provided with the conveying pipe 3 communicated with the rotary valve 2, one side of the feed hopper 1 is externally provided with an air blower 4, the air blower 4 is used for blowing and feeding, the air outlet end of the air blower 4 is connected with an air outlet pipe 5 through a flange, one end of the air outlet pipe 5, far away from the air blower 4, is connected with one end of the conveying pipe 3, the outer wall of the air outlet pipe 5 is welded with an air conveying pipe 6 in a through connection manner, one end of the air conveying pipe 6, far away from the air outlet pipe 5, is connected with the top end of the feed hopper 1, the outer wall of the middle section of the air conveying pipe 6 is connected, therefore, the branch air pipe 7 is matched with the air conveying pipe 6 to feed materials, the feeding speed is accelerated, the middle section of the branch air pipe 7, which is positioned in the feed hopper 1, is provided with an air cavity 8 with a circular structure, the bottom end of the interior of the feed hopper 1 is provided with a rotating rod 9, the top end of the rotating rod 9 extends into the air cavity 8 and is provided with an air cup 10, the air cup 10 drives the rotating rod 9 to rotate under the blowing of wind power, the bottom end of the rotating rod 9 is provided with a stirring rod 11, and the stirring rod 11 can stir powder at the outlet of the feed hopper 1 to avoid the powder from being blocked at the bottom of the feed;

conveyer pipe 3 is "Z" shape structure, the inside department of buckling of conveyer pipe 3 is provided with arc structure's closing plate 18, it is formed with air cavity 19 to surround between closing plate 18 and the inner wall of conveyer pipe 3, the intrados of closing plate 18 is provided with evenly distributed's nozzle 20, the department of buckling outer wall of conveyer pipe 3 is provided with the blast pipe 21 that link up with air cavity 19, and the one end of blast pipe 21 is connected with the fan, and when the powder flowed through the bend of conveyer pipe 3, nozzle 20 spun air current and powder fluid are alternately for the powder can continue to carry, avoids powder fluid and conveyer pipe 3's bend inner wall to take place the striking, thereby can reduce the degree of wear of powder.

In this embodiment, as shown in fig. 1, the stirring rod 11 is an L-shaped structure, and the stirring rod 11 is located at the bottom outlet of the feeding hopper 1 to prevent powder blockage.

In this embodiment, as shown in fig. 1, the top end of the inner section of the branch air pipe 7 located in the feed hopper 1 is an inverted V-shaped structure, and a sealing ring is arranged at the joint of the branch air pipe 7 and the feed hopper 1, so that the sealing performance is ensured, and the powder is prevented from flowing out.

In this embodiment, as shown in fig. 1, one end of the delivery pipe 3 close to the blower 4 is sequentially provided with a check valve 12 and a pneumatic butterfly valve 13, and the top end of the feed hopper 1 is provided with a feed valve 15 and an air release valve 14 to prevent powder from flowing back.

In this embodiment, as shown in fig. 1-2, the joint between the rotating rod 9 and the branch duct 7 is a mechanical sealing mechanism, and the number of the wind cups 10 is at least three, so as to ensure that the rotating rod 9 can rotate.

In this embodiment, as shown in fig. 1 and 3, the angle between the nozzle 20 and the sealing plate 18 is twenty to forty degrees, and the inclined direction of the nozzle 20 is the same as the fluid flow direction, so as to avoid the impact of the powder fluid with the inner wall of the bent portion of the conveying pipe 3.

The utility model discloses a theory of operation: when the powder conveying device is used, the air blower 4 is started, so that air can be blown into the air conveying pipe 6 and the air branch pipe 7, the air blown from the air conveying pipe 6 and the air branch pipe 7 can drive powder to enter the conveying pipe 3, the discharging is convenient, when the air passes through the air branch pipe 7, the rotating rod 9 drives the rotating rod 9 to rotate through the air cup 10, the rotating rod 9 drives the stirring rod 11 to rotate, the stirring rod 11 is arranged at the bottom outlet of the feeding hopper 1, the stirring rod 11 can stir the powder at the outlet of the feeding hopper 1, the powder can be prevented from being blocked at the bottom of the feeding hopper 1, the discharging smoothness is ensured, through the sealing plate 18, when the powder is conveyed from the conveying pipe 3, the air is blown towards the inside of the air cavity 19 through the air blowing pipe 21, the air is obliquely blown into the conveying pipe 3 through the nozzle 20, and because the inclination direction of the nozzle 20 is towards, the air flow sprayed out from the nozzle 20 is crossed with the powder fluid, so that the powder can be continuously conveyed, the impact between the powder fluid and the inner wall of the bent part of the conveying pipe 3 is avoided, and the abrasion degree of the powder can be reduced.

The embodiment of the present invention discloses a preferred embodiment, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention according to the above embodiment, and make different extensions and changes, but do not depart from the spirit of the present invention, all of which are within the protection scope of the present invention.

Claims

1. The utility model provides an environment-friendly pneumatic conveyor, includes feeder hopper (1), its characterized in that: the bottom of the feed hopper (1) is provided with a rotary valve (2), the bottom of the feed hopper (1) is provided with a conveying pipe (3) communicated with the rotary valve (2), one side of the feed hopper (1) is externally provided with an air blower (4), the air outlet end of the air blower (4) is connected with an air outlet pipe (5) through a flange, one end of the air outlet pipe (5) far away from the air blower (4) is connected with one end of the conveying pipe (3), the outer wall of the air outlet pipe (5) is welded with an air conveying pipe (6) in a through connection manner, one end of the air conveying pipe (6) far away from the air outlet pipe (5) is connected with the top end of the feed hopper (1), the middle section outer wall of the air conveying pipe (6) is connected with a branch air pipe (7), the branch air pipe (7) penetrates through the inside of the feed hopper (1), and one end of the branch, the middle section of the branch air pipe (7) in the feed hopper (1) is provided with an air cavity (8) with a circular structure, the bottom end in the feed hopper (1) is provided with a rotating rod (9), the top end of the rotating rod (9) extends into the air cavity (8) and is provided with an air cup (10), and the bottom end of the rotating rod (9) is provided with a stirring rod (11);

the conveying pipe (3) is of a Z-shaped structure, a sealing plate (18) of an arc-shaped structure is arranged at the inner bending position of the conveying pipe (3), an air cavity (19) is formed between the sealing plate (18) and the inner wall of the conveying pipe (3) in a surrounding mode, nozzles (20) which are uniformly distributed are arranged on the inner arc surface of the sealing plate (18), and an air blowing pipe (21) communicated with the air cavity (19) is arranged on the outer wall of the bending position of the conveying pipe (3).

2. The environment-friendly pneumatic conveying device as claimed in claim 1, wherein: puddler (11) are L shape structure, and puddler (11) are located the bottom exit of feeder hopper (1).

3. The environment-friendly pneumatic conveying device as claimed in claim 1, wherein: the branch tuber pipe (7) are located the inside section top of feeder hopper (1) and are the structure of falling V-arrangement, the junction of branch tuber pipe (7) and feeder hopper (1) is provided with the sealing washer.

4. The environment-friendly pneumatic conveying device as claimed in claim 1, wherein: one end of the conveying pipe (3) close to the air blower (4) is sequentially provided with a check valve (12) and a pneumatic butterfly valve (13), and the top end of the feed hopper (1) is provided with a feed valve (15) and an air leakage valve (14).

5. The environment-friendly pneumatic conveying device as claimed in claim 1, wherein: the joint of the rotating rod (9) and the branch air pipe (7) is a mechanical sealing mechanism, and the number of the air cups (10) is at least three.

6. The environment-friendly pneumatic conveying device as claimed in claim 1, wherein: the angle between the nozzle (20) and the sealing plate (18) is twenty to forty degrees, and the inclination direction of the nozzle (20) is the same as the fluid flow direction.