CN216104843U

CN216104843U - Vacuum feeding device

Info

Publication number: CN216104843U
Application number: CN202122078721.2U
Authority: CN
Inventors: 陶志康; 高德勇
Original assignee: Jiangsu Newblue Intelligent Equipment Co ltd
Current assignee: Jiangsu Newblue Intelligent Equipment Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-03-22
Anticipated expiration: 2031-08-31

Abstract

The utility model relates to the technical field of powder pneumatic conveying, in particular to a vacuum feeding device, which comprises a buffer storage bin, wherein the top of the buffer storage bin is provided with a pulse feeding machine head, the top of the pulse feeding machine head is provided with an air suction port, a filtering device is arranged inside the pulse feeding machine head, the pulse feeding machine head is provided with a pulse back blowing system, the upper part of the buffer storage bin is provided with a feeding pipe, and the lower part of the buffer storage bin is of a funnel type structure and is provided with a pneumatic vibrator; a plurality of titanium rod filter elements are arranged in the filter device; the utility model has high feeding efficiency and convenient maintenance by generating negative pressure; two groups of pulse feeding machine heads are arranged, so that the machine heads can work alternately, and meanwhile, the titanium rod filter element is not easy to generate impurities to pollute materials; through setting up the glossy infundibulate buffer memory feed bin of inner wall to combine pneumatic vibrator, make the ejection of compact smooth and easy even. The device has good tightness, greatly reduces the dust content in the tail gas and meets increasingly strict environmental protection requirements.

Description

Vacuum feeding device

Technical Field

The utility model relates to the technical field of powder pneumatic conveying, in particular to a vacuum feeding device.

Background

With the continuous development of science and technology, the product quality requirements of enterprises, especially the industries of food, medicine, daily chemicals, lithium batteries and the like, have extremely high requirements on the cleanliness of raw materials in the production process. To the transport mode of powder raw materials, first-selected vacuum conveying system, vacuum conveying is as pipeline closed transport, can stop external impurity pollution raw materials, reduces dust environmental pollution simultaneously, improves operational environment, reduces the pollution of environment and personnel to the material, improves the workshop cleanliness factor. The vacuum feeding device is used as an important component of the vacuum conveying system, and the design of the vacuum feeding device can determine whether impurities are generated inside the vacuum conveying system or not, so that the conveyed materials are polluted. The tradition uses the sack to be the vacuum loading attachment of filter media, easily produces magazines such as flock after long-time vacuum transport, seriously influences the material quality, and this can cause very big economic loss to some high-value raw materialss. Therefore, a novel vacuum feeding device needs to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a vacuum feeding device, which solves the problems that the traditional vacuum feeding device taking a cloth bag as a filter material can generate impurities to pollute materials and a large amount of dust is mixed in tail gas in the process of carrying out vacuum conveying on fine powder.

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

the utility model provides a vacuum feeding device, includes the buffer memory feed bin, the top of buffer memory feed bin is provided with pulse material loading aircraft nose, the top of pulse material loading aircraft nose is provided with the extraction opening, the inside of pulse material loading aircraft nose is provided with filter equipment, pulse material loading aircraft nose is equipped with the pulse blowback system, the upper portion of buffer memory feed bin is provided with the inlet pipe, the inlet pipe stretches into the inside of buffer memory feed bin, the lower part of buffer memory feed bin is the diameter from last funnel formula structure that down reduces gradually, the lower part of buffer memory feed bin is provided with pneumatic vibrator.

Furthermore, the quantity of pulse material loading aircraft nose is 2, the gas outlet of pulse blowback system is located filter equipment's top, filter equipment includes the filter core frame, the filter core frame is fixed with a plurality of titanium stick filter core downwards, the periphery profile of filter core frame hugs closely the inner periphery of pulse material loading aircraft nose, the filter core frame is solid seal structure except that titanium stick filter core installing port department.

Furthermore, the feed pipe is located the below of pulse material loading aircraft nose, the mouth of pipe that the feed pipe stretches into the inside of buffer memory feed bin is located the bottom center top of buffer memory feed bin.

Furthermore, the number of the pneumatic vibrators is more than or equal to 2, and the pneumatic vibrators are uniformly arranged on the slope at the lower part of the buffer storage bin in a surrounding mode.

Further, a switch valve is arranged on the pipe body of the air pumping opening, and the valve is a butterfly valve.

Further, the main part material of buffer memory feed bin is stainless steel, and the inner wall is polished smooth processing.

Compared with the prior art, the utility model has the beneficial effects that:

the vacuum feeding device is convenient to manufacture and use and low in failure rate. When the vacuum material feeding device is applied, a vacuum environment is formed to generate negative pressure, so that suction force is generated to suck materials, and the materials are discharged from the discharge hole, and the vacuum material feeding device is high in material feeding efficiency and convenient to maintain; the two groups of pulse feeding machine heads can work alternately, so that the external part of the filtering device is not attached with too many materials to influence the air permeability, the working efficiency of the device is reduced, and meanwhile, the titanium rod filter element is not easy to generate impurities to pollute the materials; smooth and bottom is the buffer memory feed bin of infundibulate through setting up the inner wall and polish to combine pneumatic vibrator's effect, make the ejection of compact smooth and easy even, avoid producing the material and pile up, the material loading is effectual. The device has good tightness, greatly reduces the dust content in the tail gas, liberates manpower and meets increasingly strict environmental protection requirements.

Drawings

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

FIG. 2 is a schematic vertical section of the present invention;

fig. 3 is a schematic structural diagram of the filtering device of the present invention.

In the figure: 1. a pulse feeding machine head; 2. an air extraction opening; 3. a pulse back-flushing system; 4. a filtration device; 4a, a filter element frame; 4b, a titanium rod filter element; 5. caching a stock bin; 6. a pneumatic vibrator; 7. and (4) feeding a pipe.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1 to 3, a vacuum feeding device includes a buffer storage bin 5, a pulse feeding machine head 1 is arranged at the top of the buffer storage bin 5, and an air pumping port 2 is arranged at the top of the pulse feeding machine head 1 and used for pumping air outwards so as to form negative pressure inside the device; the pulse feeding machine head 1 is internally provided with a filtering device 4 for filtering conveyed materials and preventing the materials from being sucked out to cause material loss and pollute the surrounding environment; the pulse feeding machine head 1 is provided with a pulse back blowing system 3 which removes dust attached to the outer surface of a filter medium (a filter cylinder or a cloth bag) by a method of blowing compressed air; a plurality of groups of pulse valves are arranged on the filter device and are controlled by a pulse controller or plc for carrying out back flushing on the filter device 4; a feeding pipe 7 is arranged at the upper part of the cache bin 5, the feeding pipe 7 extends into the cache bin 5, and conveyed materials enter the cache bin 5 from the feeding pipe 7; the lower part of the buffer storage bin 5 is of a funnel type structure with the diameter gradually reduced from top to bottom, the bottommost part of the buffer storage bin is a discharge hole, the lower part of the buffer storage bin 5 is provided with a pneumatic vibrator 6, the pneumatic vibrator 6 can utilize high-pressure gas discharged by an air compressor to be connected into an air inlet through an air pipe, translation and shaking are generated through an internal piston mechanism, accordingly, vibration force is generated, the number of the pneumatic vibrators 6 is larger than or equal to 2, the pneumatic vibrators are uniformly arranged on a slope of the lower part of the buffer storage bin 5 in a surrounding mode, and the downward flowability of materials is increased.

Based on the characteristics of the filtering device 4, in the continuous vacuumizing process, fine powder materials can be adsorbed on the surface of the filtering device, so that the air permeability of the filtering device is influenced, and the number of the pulse feeding machine heads 1 is 2, so that the filtering device is convenient to alternately work; an air outlet of the pulse back-blowing system 3 is positioned above the filtering device 4, and the materials adsorbed on the surface of the filtering device are blown back to the buffer storage bin 5 through compressed air; the filter device 4 comprises a filter element frame 4a, a plurality of titanium rod filter elements 4b are fixed on the filter element frame 4a downwards, the titanium rod filter elements 4b are made of high-purity titanium or titanium alloy irregular powder, and the titanium rod filter elements have the characteristics of no particle falling, good mechanical performance, high separation efficiency and the like; the peripheral outline of the filter element frame 4a is tightly attached to the inner periphery of the pulse feeding machine head 1, and the filter element frame 4a is a solid sealing structure except for the installation opening of the titanium rod filter element 4b, so that the material is prevented from being leaked.

The inlet pipe 7 is located the below of pulse material loading aircraft nose 1, and the mouth of pipe that the inlet pipe 7 stretched into the inside of buffer memory feed bin 5 is located the top at buffer memory feed bin 5 bottom center, and the material of being convenient for falls down from buffer memory feed bin 5's center, and the ejection of compact is even.

The pipe body of extraction opening 2 is provided with a switch valve, and the valve is a butterfly valve for controlling the opening and closing of extraction opening 2.

The main part material of buffer memory feed bin 5 is stainless steel, and intensity is high, the wearability is good and long service life, and the smooth processing of polishing is done to the inner wall, further increases the mobility of material, makes the material loading smooth and easy.

The working process of the utility model is as follows: when the pulse feeding machine is used, the air exhaust port 2 on the pulse feeding machine head 1 is communicated with an external vacuum pipeline, a switch valve on the pulse feeding machine head is opened, so that the interior of the buffer storage bin 5 is in a negative pressure state, then a feeding port is opened, a material to be conveyed is sucked into the buffer storage bin 5 through the feeding pipe 7, the material falls down under the action of gravity and is output from the bottom of the buffer storage bin 5, the pneumatic vibrator 6 arranged on the pneumatic vibrator is started to generate vibration, and the flowability of the material is increased; in the process, due to the characteristics of the titanium rod filter element 4b, materials are continuously attached to the outer wall of the titanium rod filter element, the air flow is continuously reduced, and the work is influenced, so that only one pulse feeding machine head 1 is simultaneously opened to alternately work; when one of them pulse material loading aircraft nose 1 was out of work, opened pulse blowback system 3 on it, carried out the blowback to filter equipment 4, made the adnexed material of outer wall fall into buffer memory feed bin 5 and export, gone on under the whole airtight environment, the material can not reveal in the external environment.

While the utility model has been described with reference to specific preferred embodiments, it will be understood by those skilled in the art that various changes, modifications and additions may be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a vacuum loading attachment which characterized in that: including buffer memory feed bin (5), the top of buffer memory feed bin (5) is provided with pulse material loading aircraft nose (1), the top of pulse material loading aircraft nose (1) is provided with extraction opening (2), the inside of pulse material loading aircraft nose (1) is provided with filter equipment (4), pulse material loading aircraft nose (1) is equipped with pulse blowback system (3), the upper portion of buffer memory feed bin (5) is provided with inlet pipe (7), inlet pipe (7) stretch into the inside of buffer memory feed bin (5), the lower part of buffer memory feed bin (5) is the diameter from last funnel formula structure of down reducing gradually, the lower part of buffer memory feed bin (5) is provided with pneumatic vibrator (6).

2. A vacuum charging apparatus as claimed in claim 1, wherein: the quantity of pulse material loading aircraft nose (1) is 2, the gas outlet of pulse blowback system (3) is located the top of filter equipment (4), filter equipment (4) are including filter core frame (4a), filter core frame (4a) are fixed with a plurality of titanium stick filter core (4b) downwards, the periphery of pulse material loading aircraft nose (1) is hugged closely to the peripheral profile of filter core frame (4a), filter core frame (4a) are solid seal structure except that titanium stick filter core (4b) installing port department.

3. A vacuum charging apparatus as claimed in claim 1, wherein: the feed pipe (7) is located the below of pulse material loading aircraft nose (1), the mouth of pipe that feed pipe (7) stretched into the inside of buffer memory feed bin (5) is located the top at buffer memory feed bin (5) bottom center.

4. A vacuum charging apparatus as claimed in claim 1, wherein: the number of the pneumatic vibrators (6) is more than or equal to 2, and the pneumatic vibrators are uniformly arranged on the slope at the lower part of the buffer storage bin (5) in a surrounding manner.

5. A vacuum charging apparatus as claimed in claim 1, wherein: the pipe body of extraction opening (2) is provided with a switch valve, the valve is the butterfly valve.

6. A vacuum charging apparatus as claimed in claim 1, wherein: the main body material of buffer memory feed bin (5) is stainless steel, and the smooth processing of polishing is done to the inner wall.