CN209871752U

CN209871752U - Vacuum self-circulation powder material's transmission system

Info

Publication number: CN209871752U
Application number: CN201920058619.6U
Authority: CN
Inventors: 鲍春发
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-14
Filing date: 2019-01-14
Publication date: 2019-12-31
Anticipated expiration: 2029-01-14

Abstract

A transmission system of vacuum self-circulation powder materials comprises a receiver and a container, wherein the powder materials in the container enter the receiver through transmission, the transmission system further comprises an air compressor, a first air outlet pipe is arranged between one end of the air compressor and the receiver, an air inlet pipe and a mixing pipe are arranged between the other end of the air compressor and the receiver, airflow in the receiver returns to the receiver after sequentially passing through the first air outlet pipe, the air compressor, the air inlet pipe and the mixing pipe, an air outlet of the air inlet pipe is positioned in the mixing pipe, a nozzle is formed by the air outlet, a suction pipe is arranged between the receiver and the container and communicated with the mixing pipe, a second air outlet pipe is also arranged between the receiver and the container, compressed air is sprayed in the nozzle to generate vacuum degree, the powder materials are sucked, the airflow is subjected to internal circulation to reduce dust-containing air discharge, and the second, maintaining the internal circulation of air.

Description

Vacuum self-circulation powder material's transmission system

Technical Field

The utility model relates to a technical field is carried to the material, specifically is a transmission system of vacuum self-loopa powder material.

Background

The existing vacuum suction device pumps materials and a large amount of air into a pipeline through a vacuum generator, and then directly discharges the air containing a large amount of dust, so that a large amount of air containing dust is finally generated, and the environment is polluted.

The existing vacuum suction device is also matched with a bag-type dust collector in the process of discharging air. However, with the development of nano materials in recent years, the market demand for ultrafine powder is increased, when the vacuum suction device in the prior art is used for sucking and conveying ultrafine powder, because the dust particles have small diameters and reach the level of micron, submicron and nanometer, the discharged air filtered by the bag-type dust collector still contains a large amount of ultrafine dust particles, which pollutes the environment, and the existing vacuum suction device and the existing powder conveying system have large floor area, high use cost and limited large-scale use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the vacuum suction device in the prior art contains a large amount of ultrafine dust particles, has the vacuum suction device in the exhaust air and transmits the powder material system with high cost and large occupied area, and providing a transmission system of vacuum self-circulation powder material.

In order to achieve the technical purpose, the utility model adopts the following technical scheme:

a transmission system of vacuum self-circulation powder materials comprises a receiver and a container, wherein the powder materials in the container enter the receiver through transmission, the transmission system further comprises an air compressor, a first air outlet pipe is arranged between one end of the air compressor and the receiver, an air inlet pipe and a mixing pipe are arranged between the other end of the air compressor and the receiver, airflow in the receiver returns to the receiver after sequentially passing through the first air outlet pipe, the air compressor, the air inlet pipe and the mixing pipe, an air outlet of the air inlet pipe is positioned in the mixing pipe, a nozzle is formed at the air outlet, a suction pipe is arranged between the receiver and the container and is communicated with the mixing pipe, the powder materials in the suction pipe are mixed with the airflow in the mixing pipe and then enter the receiver, compressed air is sprayed in the nozzle to generate vacuum degree, the powder materials are sucked, internal circulation is carried out in the pipeline and the receiver through the airflow, meanwhile, the dust-containing air is greatly reduced to be discharged outside, and the internal circulation does not need filtering, so that compared with the existing vacuum suction device using a bag-type dust remover, the dust-containing vacuum suction device has the advantages of simple structure, small occupied space and equipment cost and use cost saving.

Furthermore, a second air outlet pipe is arranged between the receiver and the container, and the second air outlet pipe keeps micro-positive pressure in the receiver and maintains air internal circulation.

Further, the air inlet pipe is provided with an exhaust pipe, and the exhaust pipe is provided with an exhaust valve.

Furthermore, the exhaust pipe is provided with a filter bag, the filter bag is fixed with the exhaust pipe in a sealing mode, the exhaust valve is located in the filter bag, dust-containing air is prevented from being discharged, meanwhile, partial compressed air is discharged through the exhaust valve, and air sucked from the accommodating device through the suction port is balanced.

Furthermore, the bottom end of the receiver is provided with a discharge valve, so that the discharge is not influenced by vacuum suction, and the continuous discharge can be realized while the suction is performed.

Further, the container is provided with a dust-proof cover, the dust-proof cover is provided with a material suction port and an air return outlet, and the dust-proof cover prevents dust-containing air of the second air outlet pipe from leaking and can prevent a large amount of outside air from being sucked.

Furthermore, the material suction pipe is connected with the container through a material suction port, and the second air outlet pipe is connected with the container through an air return outlet.

Furthermore, the material suction pipe and the second air outlet pipe are both hard pipes or hoses, so that the positions of the material suction port and the second air outlet pipe are convenient to move.

Compared with the prior art, the utility model discloses following beneficial effect has:

the air flow is internally circulated between the pipeline and the receiver, so that the discharge of dust-containing air is greatly reduced, and the environmental protection performance is high; the internal circulation does not need filtering, the structure is simple, and the cost is lower; the powder material sucking machine is suitable for sucking powder materials and conveying the powder materials, can continuously discharge materials when sucking the materials, is small in occupied space and high in working efficiency, is continuous in operation, and can automatically run.

Drawings

Fig. 1 is a schematic diagram of the system structure of the present invention.

In the figure: 1-a discharge valve, 2-a receiver, 3-a first air outlet pipe, 4-an air compressor, 5-an exhaust valve, 6-a filter bag, 7-a nozzle, 8-an air inlet pipe, 9-a material suction pipe, 10-a material suction port, 11-a dust-proof cover, 12-a second air outlet pipe, 14-an air return outlet, 13-a mixing pipe and 15-a container.

Detailed Description

The technical solution of the present invention is further described and illustrated by the following specific embodiments.

As shown in fig. 1, a transmission system of vacuum self-loopa powder material, including receiver 2, container 15, the powder material in container 15 gets into in receiver 2 through the transmission, still include air compressor 4, be equipped with first outlet duct 3 between the one end of air compressor 4 and the receiver 2, be equipped with intake pipe 8 between the other end of air compressor 4 and the receiver 2, mixing tube 13, the air current in the receiver 2 gets back to in the receiver 2 after first outlet duct 3, air compressor 4, intake pipe 8, mixing tube 13 in proper order. The air outlet of the air inlet pipe 8 is positioned in the mixing pipe 13 and forms the nozzle 7. A material suction pipe 9 is arranged between the receiver 2 and the container 15, and the material suction pipe 9 is communicated with the mixing pipe 13. The powder material in the material suction pipe 9 is mixed with the air flow in the mixing pipe 13 and then enters the receiver 2.

Present vacuum suction device will contain the air direct discharge of a large amount of dust after absorbing the air, and this embodiment forms the inner loop through with air compressor 4, receiver 2, first outlet duct 3, intake pipe 8 and hybrid tube 13, does not introduce outside air, can stop the air that contains the dust simultaneously and arrange outward, therefore the feature of environmental protection is high. The compressed air is sprayed in the nozzle 7 to generate vacuum degree, powder materials are sucked, the vacuum degree of the mixing pipe 13 for conveying the powder materials is adjusted by adjusting the size of the nozzle 7 relative to the mixing pipe 13 and the speed of the compressed air spraying air flow, and therefore the vacuum material sucking speed and the material sucking force can be adjusted. The dust air enters the air inlet pipe 8 through the air compressor 4 and then is mixed with the powder material in the mixing pipe 13 to enter the receiver 2.

The air current that present vacuum suction device has powder material just can carry out air compression after the sack cleaner, and the sack cleaner is bulky, and the price is high, uses inconveniently, and it is with high costs to change the sack, and the cost of labor is high, and it is inconvenient to use automatically, still has a large amount of small granule dusts in the middle of the gas that discharges, does not reach the environmental protection requirement. This embodiment powder material carries out material separation in receiver 2, avoids compressing the air that contains a large amount of powder materials, avoids the powder material air current and 4 direct contact of air compressor of higher concentration, need not to filter the dust, consequently need not to set up large-scale dust collecting equipment, and simple structure saves space, saves equipment cost and use cost to be applicable to automatic powder material feeding and ejection of compact.

A second air outlet pipe 12 is also arranged between the receiver 2 and the container 15, and the second air outlet pipe 12 keeps the micro-positive pressure in the receiver 2 and maintains the internal circulation of air. In order to reduce the generation of dust more sufficiently, the intake duct 8 is further provided with an exhaust duct 81, and the exhaust duct 81 is provided with an exhaust valve 5. The exhaust pipe 81 is provided with a filter bag 6, the filter bag 6 is fixed with the exhaust pipe 81 in a sealing way, and the exhaust valve 5 is positioned in the filter bag 6. Before compressed air flow enters the nozzle 7, a small amount of compressed air is divided and discharged outwards through the exhaust valve 5 in the filter bag 6, so that the whole circulating system stops the uncontrollable dust-containing air discharge, and meanwhile, the compressed air is discharged through the exhaust valve 5, and the air sucked from the container 15 through the material sucking port 10 is balanced.

Present vacuum is inhaled the material device and can't accomplish continuous ejection of compact when inhaling the material, and 2 bottoms of this embodiment receiver are equipped with bleeder valve 1, guarantee that the ejection of compact does not receive the influence that the material was inhaled in the vacuum, also can continuous ejection of compact when reaching to inhale the material. The container 15 is provided with a dust-proof cover 11, and the dust-proof cover 11 is respectively provided with a material suction port 10 and an air return outlet 14. The material suction pipe 9 is connected with the container 15 through the material suction port 10, and the second air outlet pipe 12 is connected with the container 15 through the air return outlet 14. The dust-proof cover 11 prevents the dust-containing air of the second air outlet pipe 12 from leaking outside, and can prevent a large amount of outside air from being sucked from the suction port 10, reducing the exhaust amount of the exhaust valve 5. The dust-proof cover 11 can also be designed as a disc or a thick circular tube with a larger caliber than the material suction pipe 9. The material suction pipe 9 and the second air outlet pipe 12 are both hard pipes or flexible pipes so as to move the positions of the material suction port 10 and the second air outlet pipe opening 14.

In use, the cycle of this embodiment is as follows: compressed air enters the nozzle 7 for injection, vacuum degree is generated in the mixing pipe 13, powder materials are sucked into the suction pipe 9 from the suction port 10 on the dust-proof cover 11 by vacuum suction force generated by the vacuum degree, then the powder materials enter the mixing pipe 13, and finally enter the receiver 2; after the airflow and the powder material enter the receiver 2, cyclone separation is formed, after the powder material in the receiver 2 is separated, the material is discharged from the discharge valve 1, the air containing dust enters the first air outlet pipe 3 under the action of the air compressor 4, enters the air inlet pipe 8 through the air compressor 4 and is mixed with the powder material in the mixing pipe 13, and then enters the receiver 2, and the compressed air is sprayed in the nozzle 7 to maintain the vacuum degree, so that the powder material is continuously sucked; a part of air containing dust in the receiver 2 slowly enters the container 15 through the second air outlet pipe 12 and the air return outlet 14, then enters the material suction pipe 9 after being mixed with powder materials through the material suction port 10 in the dust-proof cover 11, enters the mixing pipe 13 through the material suction pipe 9, is mixed with compressed air flow in the mixing pipe 13, and then enters the receiver 2; before the compressed air flow enters the vacuum-generating pipe or nozzle 7, a small amount of compressed air is branched off through the exhaust pipe 81, and the compressed air is discharged into the filter bag 6 through the exhaust valve 5, filtered and discharged into the atmosphere. Therefore, this embodiment is applicable to the conveying of absorbing powder material and powder material, and simple structure, work efficiency are high, and is with low costs, and the feature of environmental protection is high to the operation is continuous, can the automatic operation.

The embodiment can be applied to the feeding and discharging of nano inorganic powder, such as the suction conveying of various powder materials such as nano aluminum oxide, nano titanium oxide, nano silicon oxide, nano magnesium oxide, nano carbon powder and the like, and the discharging and charging of saggars. The vacuum that has the ejection of compact and pipe-line transportation for nanometer powder inhales material device now, the dust-containing air that every kilogram powder produced needs the air drive of many times quality, produces the dust-containing air of many times quality powder material promptly, and this embodiment can prevent the production of dust, and the very big reduction contains dust air and discharges, falls to the thousandth of powder material quality to the emission that contains dust air.

The embodiments of the present invention have been described in detail, and those skilled in the art can easily understand that there are various changes in the embodiments according to the idea of the present invention, and such changes should be considered as the protection scope of the present invention.

Claims

1. A vacuum self-circulation powder material conveying system comprises a receiver (2) and a container (15), wherein powder material in the container (15) enters the receiver (2) through conveying, and the vacuum self-circulation powder material conveying system is characterized in that:

the air conditioner is characterized by further comprising an air compressor (4), a first air outlet pipe (3) is arranged between one end of the air compressor (4) and the receiver (2), an air inlet pipe (8) and a mixing pipe (13) are arranged between the other end of the air compressor (4) and the receiver (2), and air flow in the receiver (2) returns to the receiver (2) after passing through the first air outlet pipe (3), the air compressor (4), the air inlet pipe (8) and the mixing pipe (13) in sequence;

the air outlet of the air inlet pipe (8) is positioned in the mixing pipe (13) and forms a nozzle (7);

a material suction pipe (9) is arranged between the receiver (2) and the container (15), and the material suction pipe (9) is communicated with the mixing pipe (13); the powder material in the material suction pipe (9) is mixed with the air flow in the mixing pipe (13) and then enters the receiver (2).

2. The vacuum self-circulating powder material transfer system of claim 1, wherein: a second air outlet pipe (12) is further arranged between the receiver (2) and the container (15), and the second air outlet pipe (12) keeps micro-positive pressure in the receiver (2).

3. The vacuum self-circulating powder material transfer system of claim 1, wherein: the air inlet pipe (8) is provided with an exhaust pipe (81), and the exhaust pipe (81) is provided with an exhaust valve (5).

4. The vacuum self-circulating powder material transfer system of claim 3, wherein: the exhaust pipe (81) is provided with a filter bag (6), the filter bag (6) is fixed with the exhaust pipe (81) in a sealing mode, and the exhaust valve (5) is located in the filter bag (6).

5. The vacuum self-circulating powder material transfer system of claim 2, wherein: the bottom end of the receiver (2) is provided with a discharge valve (1).

6. The vacuum self-circulating powder material transfer system of claim 2, wherein: the container (15) is provided with a dust-proof cover (11), and the dust-proof cover (11) is provided with a material suction port (10) and an air return outlet (14).

7. The vacuum self-circulating powder material transfer system of claim 6, wherein: the material suction pipe (9) is connected with the container (15) through a material suction port (10), and the second air outlet pipe (12) is connected with the container (15) through an air return outlet (14).

8. The vacuum self-circulating powder material transfer system of claim 7, wherein: the material suction pipe (9) and the second air outlet pipe (12) are both hard pipes or flexible pipes.