CN215592015U - Buffer device for ensuring stable feed back - Google Patents
Buffer device for ensuring stable feed back Download PDFInfo
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- CN215592015U CN215592015U CN202122669589.2U CN202122669589U CN215592015U CN 215592015 U CN215592015 U CN 215592015U CN 202122669589 U CN202122669589 U CN 202122669589U CN 215592015 U CN215592015 U CN 215592015U
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Abstract
The utility model provides a buffering device for ensuring stable feed back, which comprises a feed pipe, a buffering mechanism and a material collecting mechanism. The buffer mechanism comprises a buffer bin and a gas-solid separation assembly, the gas-solid separation assembly is installed on the buffer bin, and the material collecting mechanism comprises a collecting hopper and a material returning device. The problem that feed back is unstable or even normal operation cannot be achieved due to unstable pressure in the pipeline in the prior art is effectively solved. The utility model discloses a through the design use of surge bin, avoided the unstable influence to the feed back of pipeline internal gas pressure to it is stable to have guaranteed the feed back.
Description
Technical Field
The utility model relates to the technical field of dust particle detection, in particular to a buffer device for ensuring stable feed back.
Background
After the dust particles are detected in the production process of the dust particles, the dust particles need to be returned to the production pipeline. The existing detected materials are generally returned to a pipeline by two methods, one method is to add a ball valve between a detection pipeline and a production pipeline for control, but the efficiency is too low and the pneumatic ball valve is easy to damage due to the influence of the pressure in the pipeline in production. Secondly, the venturi tube generates negative pressure to directly convey the material back into the pipeline, but the pressure in the pipeline is unstable in actual production, so that the returned material is unstable, the positive pressure and the negative pressure exist in the pipeline according to different production processes, the test concentration can be influenced when the negative pressure is increased, and the material accumulation in the test pipeline is easy when the negative pressure is decreased. The positive pressure itself causes material accumulation in the detection pipeline, and when the positive pressure becomes larger again, the material can be blown back to the detection pipeline by the blowback, so that the feed back can not normally run.
Disclosure of Invention
In view of the above disadvantages of the prior art, the present invention aims to solve the problems in the prior art that a pneumatic ball valve is easily damaged or the returned material is unstable or even cannot normally operate due to unstable pressure in a pipeline, and provides a buffer device for ensuring stable returned material.
The utility model adopts the following specific technical scheme for solving the technical problems: the utility model provides a guarantee stable buffer of feed back for material return line after the granularity testing, includes inlet pipe, buffer gear and material collection mechanism.
The inlet pipe is connected with the surge bin, buffer gear includes surge bin and gas-solid separation subassembly, the gas-solid separation subassembly is installed on the surge bin, the one end of material collection mechanism with the lower part discharge gate of surge bin is connected, the other end with the pipeline is connected.
Optionally, the material collecting mechanism comprises a collecting hopper and a material returning device, the collecting hopper is a funnel-shaped barrel, the upper end of the collecting hopper is connected with a lower discharge port of the buffer bin, and the lower end of the collecting hopper is connected with the pipeline through the material returning device.
Furthermore, the surge bin is a structure with a big end up, the inlet pipe is connected with the upper part of the surge bin, the cross section of the surge bin gradually converges downwards, and the discharge hole at the lower part of the surge bin is connected with the aggregate bin.
Optionally, a purging member is arranged on the gas-solid separation assembly.
Further, the purging component consists of more than 2 purgers which are connected in parallel and are independent mutually.
Optionally, the purging component is controlled by software to automatically set the opening time and the purging time.
Optionally, the inner wall plate of the feeding pipe is coated with a wear-resistant layer.
Optionally, the cross section of the surge bin is circular or polygonal.
As described above, the present invention has at least the following advantageous effects compared to the closest prior art:
1. the materials return to the pipeline after passing through the buffer bin, so that the influence of unstable air pressure in the pipeline on the returned materials is avoided, the returned materials are stable, and the accuracy of a detection result is improved;
2. redundant gas entering the device is discharged through the gas-solid separation component, so that the pressure in the buffer bin is ensured to be stable, and the separated material is left in the device, so that the pollution to the surrounding environment is avoided;
3. the blower is arranged for cleaning, and the opening time and the blowing time of the blower are controlled through software, so that the maintenance cost is reduced.
Drawings
FIG. 1 is a schematic view of the present invention.
Description of the element reference numerals
1 feeding pipe
2 buffer bin
3 gas-solid separation component
4 collecting hopper
5 feed back device
6 blower
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
The structures, ratios, sizes, and the like of the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the efficacy and the achievable purpose of the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
The following examples are for illustrative purposes only. The various embodiments may be combined, and are not limited to what is presented in the following single embodiment.
In the present embodiment, the first and second electrodes are,
referring to fig. 1, the present invention provides a buffering device for ensuring stable feeding back, which includes a feeding pipe 1, a buffering mechanism and a material collecting mechanism. Buffer gear includes surge bin 2 and gas-solid separation subassembly 3, inlet pipe 1 with surge bin 2 is connected, gas-solid separation subassembly 3 is installed on surge bin 2. The material collecting mechanism comprises a collecting hopper 4 and a material returning device 5, the surge bin 2 is of a structure with a large upper part and a small lower part, the cross section of the surge bin can be circular or polygonal, and the cross section of the surge bin 2 in the embodiment is circular. The feeding pipe 1 is connected with the upper part of the buffer bin 2, and the impact force of air flow during feeding can be reduced due to the relatively large space at the upper part. The cross section of the buffer bin 2 gradually converges downwards, and a discharge hole at the lower part of the buffer bin is connected with the aggregate bin.
The collecting hopper 4 is a funnel-shaped barrel, the upper end of the collecting hopper is connected with the discharge hole at the lower part of the buffer bin 2, and the lower end of the collecting hopper 4 is connected with the production pipeline through the material returning device 5.
The detected material is driven by the air flow to enter the buffering bin 2 through the feeding pipe 1, and redundant gas entering the buffering bin 2 along with the material is discharged to the outside through the gas-solid separation component 3, so that the air pressure in the buffering bin 2 is kept stable. The gas-solid separation component 3 can only pass gas, and materials can not pass, so that the pollution to the surrounding environment caused by a material discharge device can be avoided. The material in the surge bin 2 is continuously deposited downwards under the action of air pressure and gravity, and the material falls into the material returning device 5 after being collected by the material collecting hopper 4, and finally returns to the production pipeline.
Through adopting surge bin 2, the material after the detection returns the pipeline through surge bin 2 again, and surge bin 2 plays the effect of keeping apart the buffering, has avoided the influence of the instability of air current in the pipeline to the feed back, has also guaranteed the accuracy of testing result.
In the present embodiment, the first and second electrodes are,
referring to fig. 1, the cross section of the surge bin 2 is polygonal, and the inner wall plate of the feeding pipe 1 is coated with a wear-resistant layer, so that the wear of the feeding pipe 1 is reduced, and the performance and the service life are improved.
The gas-solid separation component 3 is provided with a blowing component which is composed of more than 2 blowing devices 6 which are connected in parallel and are mutually independent. After the gas-solid separation component 3 runs for a period of time, material particles and dust particles in the air can be adhered to the gas-solid separation component 3, so that the gas in the buffer bin 2 can be discharged, and the gas-solid separation component 3 can be cleaned by the blower 6, so that the normal running of the device is ensured. In the embodiment, 3 purgers 6 are arranged in total and are independent of each other, so that the normal operation of the whole system cannot be influenced even if one of the purgers cannot work normally. The purger 6 automatically sets the opening time and the purging time through software control, and reduces the maintenance cost.
In conclusion, the buffer bin is used for buffering and isolating the materials, so that the influence of unstable air pressure in the pipeline on the returned materials is avoided, and the accuracy of the detection result is also ensured. Redundant gas is discharged through the gas-solid separation component, so that the pressure stability in the buffer bin is ensured, and the separated materials are left in the device, so that the pollution to the surrounding environment is avoided. The software controls the starting time and the purging time of the purger, and the maintenance cost is reduced. Therefore, the present invention effectively overcomes various disadvantages of the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (8)
1. The utility model provides a guarantee stable buffer of feed back for material return pipe after the granularity detects, its characterized in that includes:
a feeding pipe is arranged on the bottom of the feeding pipe,
the feeding pipe is connected with the buffer bin;
a buffer mechanism is arranged on the base plate,
the buffer mechanism comprises the buffer bin and a gas-solid separation assembly, and the gas-solid separation assembly is arranged on the buffer bin;
a material collecting mechanism is arranged on the frame,
one end of the material collecting mechanism is connected with a discharge port at the lower part of the buffer bin, and the other end of the material collecting mechanism is connected with the pipeline.
2. The buffering device for ensuring the stability of the returned materials according to claim 1, wherein the material collecting mechanism comprises a collecting hopper and a material returning device, the collecting hopper is a funnel-shaped barrel, the upper end of the collecting hopper is connected with the lower discharge port of the buffering bin, and the lower end of the collecting hopper is connected with the pipeline through the material returning device.
3. The buffer device for ensuring the stable feeding back of the material according to claim 2, wherein the buffer bin is of a structure with a large upper part and a small lower part, the feeding pipe is connected with the upper part of the buffer bin, the cross section of the buffer bin gradually converges downwards, and the discharge port at the lower part of the buffer bin is connected with the collecting hopper.
4. The buffer device for ensuring the stable feed back according to claim 2, wherein a purging member is arranged on the gas-solid separation component.
5. The buffer device for ensuring the stable feed back of claim 4, wherein the purging component comprises more than 2 purgers which are connected in parallel and independent from each other.
6. The buffer device for ensuring the stable feed back according to claim 4, wherein the purging component automatically sets the opening time and the purging time through software control.
7. The buffer device for ensuring the stability of the returned material according to claim 2, wherein the inner wall plate of the feeding pipe is coated with a wear-resistant layer.
8. The buffer device for ensuring the stable feeding back of any one of claims 2 to 7, wherein the cross section of the buffer bin is circular or polygonal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122669589.2U CN215592015U (en) | 2021-11-03 | 2021-11-03 | Buffer device for ensuring stable feed back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122669589.2U CN215592015U (en) | 2021-11-03 | 2021-11-03 | Buffer device for ensuring stable feed back |
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| Publication Number | Publication Date |
|---|---|
| CN215592015U true CN215592015U (en) | 2022-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122669589.2U Active CN215592015U (en) | 2021-11-03 | 2021-11-03 | Buffer device for ensuring stable feed back |
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|---|---|
| CN (1) | CN215592015U (en) |
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2021
- 2021-11-03 CN CN202122669589.2U patent/CN215592015U/en active Active
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