CN210001189U - double-seal-structure pipeline and positive pressure conveying system - Google Patents
double-seal-structure pipeline and positive pressure conveying system Download PDFInfo
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- CN210001189U CN210001189U CN201920483993.0U CN201920483993U CN210001189U CN 210001189 U CN210001189 U CN 210001189U CN 201920483993 U CN201920483993 U CN 201920483993U CN 210001189 U CN210001189 U CN 210001189U
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Abstract
The utility model provides an double seal structure pipeline and malleation conveying system, the double seal structure pipeline includes two gas pipeline, two gas pipeline pass through flange device and connect, play sealing effect time, two gas pipeline's hookup location periphery is equipped with secondary seal pipeline, the both ends of secondary seal pipeline pass through the second flange device with the gas pipeline that corresponds the side and are connected, and is not good when gas pipeline leakproofness, and when gaseous, powder are revealed from the pipe connection department, the secondary seal pipeline can play secondary seal's effect to avoid polluting this situations of workshop environment because leak gas, leak the powder, reduce economic loss.
Description
Technical Field
The utility model relates to a powder field of carrying particularly, relates to kinds of double seal structure pipeline and malleation conveying system.
Background
The positive pressure conveying is that compressed air is introduced into a conveying pipeline by a fan at the starting point of the system, and the air flows in the pipeline by the pressure difference between the starting point and the ending point of the pipeline and drives materials to move. In the positive pressure conveying system, materials are conveyed into the conveying system by the feeding device, and at the end point of conveying, the materials are separated from air.
In powder engineering, the mode of positive pressure conveying is mostly adopted in the conveying of powder, and what current gas pipeline's connection adopted is flange joint, because powder diameter is less and long-term use of pipeline in addition, can appear the not good problem of gas tightness in flange joint department to lead to gas leakage, leaking powder, pollute workshop environment and cause unnecessary economic loss.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide kinds of double seal structure pipeline and malleation conveying system to solve the poor technical problem of current device leakproofness.
The specific technical scheme is as follows:
, the double seal structure pipeline includes two gas pipelines, two gas pipelines pass through flange device and connect, two gas pipelines's hookup location periphery is equipped with secondary seal pipelines, the both ends of secondary seal pipeline pass through the second flange device with the gas pipeline of corresponding side and connect.
, the th flange device comprises a left flange and a right flange, wherein the ports of gas pipelines are welded with the left flange, the ports of gas pipelines are welded with the right flange, and the left flange and the right flange are locked through bolts.
, the second flange unit comprises an inner flange welded to the end of the secondary sealed pipe and an outer flange welded to the outside of the gas pipe on the corresponding side.
And , sealing gaskets are arranged between the left flange plate and the right flange plate and between the inner flange plate and the outer flange plate.
In addition , the positive pressure conveying system comprises an air compressor, an air storage tank, a sending tank and a receiving bin from upstream to downstream in sequence, a stock bin is arranged at the top of the sending tank, and a plurality of double-seal-structure pipelines are arranged between the sending tank and the receiving bin.
And , an air inlet valve is further arranged on the pipeline between the air compressor and the air storage tank, an air outlet valve is further arranged on the pipeline between the air storage tank and the sending tank, and a gate valve is further arranged at the outlet position of the storage bin.
Compared with the prior art, the utility model discloses positive pressure conveying system sends the jar and receives and adopts the double seal structure pipeline between the storehouse, and gas pipeline passes through flange joint, plays times sealed effect, and in addition, the secondary seal pipeline is equipped with to the gas pipeline outside, and is not good when gas pipeline leakproofness, and when gas, powder are revealed from the pipe connection department, the secondary seal pipeline can play the effect of secondary seal to avoid polluting this situation of workshop environment because gas leakage, hourglass powder, reduce economic loss.
Drawings
Fig. 1 is a schematic structural diagram of a pipeline with a double sealing structure provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a positive pressure conveying system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in detail below in with reference to the accompanying drawings and embodiments.
As shown in fig. 1, the double-seal-structure pipeline provided by the present embodiment includes two gas pipelines 81, the two gas pipelines 81 are connected by an -th flange device 82, secondary seal pipelines 83 are provided at the periphery of the connection position of the two gas pipelines 81, and both ends of the secondary seal pipelines 83 are connected with the gas pipelines on the corresponding side by a second flange device 84.
In this embodiment, the inside and outside diameters of the two gas pipelines are completely , the flange device is welded to the two gas pipelines, in the illustration, the flange device 82 includes a left flange 821 and a right flange 822, the inside and outside diameters of the left and right flanges are equal, the port of the gas pipeline on the left side is welded to the left flange 821, the port of the gas pipeline on the right side is welded to the right flange 822, and finally, the left flange 821 and the right flange 822 are locked by bolts, so that the two gas pipelines are connected.
As a specific configuration of , the second flange unit 84 includes an inner flange 841 and an outer flange 842, wherein the inner flange 841 is welded to the end of the secondary seal pipe 83, and the outer flange 842 is welded to the outside of the corresponding side gas pipe 81.
In the embodiment, the two gas pipelines are connected through the th flange device to play a role in sealing th time, the secondary sealing pipeline is arranged outside the connecting position of the two gas pipelines, and when the sealing performance of the gas pipelines is poor and gas and powder leak from the connecting position of the gas pipelines, the secondary sealing pipeline can play a role in sealing for the second time, so that the condition that the workshop environment is polluted due to gas leakage and powder leakage is avoided, and the economic loss is reduced.
In order to ensure the sealing performance, sealing gaskets 85 are arranged between the left flange 821 and the right flange 822 and between the inner flange 841 and the outer flange 842 so as to ensure the air tightness of the joints. The material of the gasket 85 may be selected according to the pressure and temperature characteristics of the medium to be transported through the pipe.
In addition , as shown in fig. 2, the embodiment further provides positive pressure conveying systems, the positive pressure conveying systems sequentially include an air compressor 1, an air storage tank 4, a sending tank 6 and a receiving bin 7 from upstream to downstream, a bin 10 is arranged at the top of the sending tank 6, and a plurality of pipelines 8 with double sealing structures are arranged between the sending tank 6 and the receiving bin 7.
During operation, air compressor machine output gas is saved in the gas holder, and when needs pay-off, the material gets into from the feed bin and sends the jar, and high-pressure gas also gets into simultaneously and sends the jar, and under gaseous drive, the material is carried to receiving the storehouse kind of concrete structure, in this embodiment, still be provided with admission valve 3 on the pipeline 2 between air compressor machine 1 and the gas holder 4, still be provided with discharge valve 5 on the pipeline between gas holder 4 and the sending jar 6, the exit position of feed bin 10 still is provided with push-pull valve 9.
In this embodiment, admission valve 3 is in normally open state, opens air compressor machine 1, and the gas that air compressor machine 1 produced passes through pipeline 2 and enters into gas holder 4, when sending jar 6 is in low material level, sends opening signals for push-pull valve 9, and push-pull valve 9 opens, and the material enters into sending jar 6 from feed bin 10, opens discharge valve 5 this moment, and gas blows the material and enters into receiving storehouse 7 from sending jar 6 through double seal device 8.
The above description is only an example of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1, kind of double seal structure pipeline, a serial communication port, double seal structure pipeline includes two gas pipeline, two gas pipeline pass through flange unit and connect, two gas pipeline's hookup location periphery is equipped with secondary seal pipeline, the both ends of secondary seal pipeline pass through the second flange unit with the gas pipeline that corresponds the side and connect.
2. The double seal configuration piping of claim 1, wherein said flange means comprises a left flange to which gas piping ports are welded and a right flange to which gas piping ports are welded, said left and right flanges being bolted together.
3. A double seal configuration pipe as claimed in claim 2 wherein said second flange means comprises an inner flange welded to the end of said secondary seal pipe and an outer flange welded to the exterior of the corresponding side gas pipe.
4. A double-seal-structure piping according to claim 3, wherein a seal is provided between the left flange and the right flange and between the inner flange and the outer flange.
The positive pressure conveying system of kinds, characterized in that, positive pressure conveying system is air compressor machine, gas holder, sending jar and receiving bin from upstream to downstream in proper order, sending jar top is provided with the feed bin, send jar and receiving bin between be provided with a plurality of double seal structure pipeline as in any of claim 1-4.
6. The positive pressure conveying system according to claim 5, wherein an exhaust valve is further arranged on a pipeline between the air compressor and the air storage tank, an air outlet valve is further arranged on a pipeline between the air storage tank and the sending tank, and a gate valve is further arranged at an outlet of the storage bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920483993.0U CN210001189U (en) | 2019-04-11 | 2019-04-11 | double-seal-structure pipeline and positive pressure conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920483993.0U CN210001189U (en) | 2019-04-11 | 2019-04-11 | double-seal-structure pipeline and positive pressure conveying system |
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| CN210001189U true CN210001189U (en) | 2020-01-31 |
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| CN201920483993.0U Active CN210001189U (en) | 2019-04-11 | 2019-04-11 | double-seal-structure pipeline and positive pressure conveying system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112517557A (en) * | 2020-12-18 | 2021-03-19 | 河北华丰能源科技发展有限公司 | Online cleaning device for gas pipeline |
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2019
- 2019-04-11 CN CN201920483993.0U patent/CN210001189U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112517557A (en) * | 2020-12-18 | 2021-03-19 | 河北华丰能源科技发展有限公司 | Online cleaning device for gas pipeline |
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