CN203940137U - A kind of Pneumatic conveying pipeline - Google Patents
A kind of Pneumatic conveying pipeline Download PDFInfo
- Publication number
- CN203940137U CN203940137U CN201420178802.7U CN201420178802U CN203940137U CN 203940137 U CN203940137 U CN 203940137U CN 201420178802 U CN201420178802 U CN 201420178802U CN 203940137 U CN203940137 U CN 203940137U
- Authority
- CN
- China
- Prior art keywords
- external pipe
- inner tube
- conveying pipeline
- pneumatic conveying
- annular
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000012774 insulation material Substances 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 4
- 239000003082 abrasive agent Substances 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- -1 pottery Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/18—Double-walled pipes; Multi-channel pipes or pipe assemblies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/06—Protection of pipes or objects of similar shape against external or internal damage or wear against wear
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/21—Rigid pipes made of sound-absorbing materials or with sound-absorbing structure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L2201/00—Special arrangements for pipe couplings
- F16L2201/30—Detecting leaks
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model discloses a kind of Pneumatic conveying pipeline, comprise inner tube, external pipe, inner tube is enclosed within the middle of external pipe, inner tube and external pipe are fixed together by annular termination, two of left and right, the outer surface of inner tube is surrounded by insulation material layer, between insulation material layer outer surface and external pipe internal surface, forms toroidal cavity; Further, offer pressure exploration hole in described external pipe, on pressure exploration hole, pressure transducer is housed, pressure transducer changes for the pressure of surveying described toroidal cavity; The utlity model has better soundproof effect, effectively improved working environment; On the other hand, the utility model further solves the safety in utilization problem of conveyance conduit.
Description
Technical field
The utility model relates to Pneumatic Conveying Technology field, especially a kind of Pneumatic conveying pipeline.
Background technique
Strength is carried, and claims again air-flow to carry, and is the energy that utilizes air-flow, in closed conduit, along airflow direction conveying granular material, is that the one of fluidization technology is specifically applied.Pneumatic conveyer simple in structure, easy to operate, can do conveying level, vertical or true dip direction, also can carry out physical operations or some chemical operation such as the heating of material, cooling, dry and air current classifying in course of conveying simultaneously.In Pneumatic conveyer, conveyance conduit is a critical component, and traditional conveyance conduit passage is mono-layer tube form, due to conveyance conduit at work, conveyance conduit endoporus will bear the impact of Dual-Phrase Distribution of Gas olid, and the noise that conveyance conduit produces is at work larger, has a strong impact on working environment; On the other hand, this Pneumatic conveying pipeline is in the time carrying large particle diameter, highdensity material, very easily there are wearing and tearing in the inwall of conveyance conduit, likely in the short time, just there is pipe leakage, break, the life safety that will have a strong impact on like this operator, the safety in utilization of traditional Pneumatic conveying pipeline is lower.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of Pneumatic conveying pipeline, has better soundproof effect, has effectively improved working environment.
For achieving the above object, the technical solution of the utility model is: a kind of Pneumatic conveying pipeline, comprise inner tube, external pipe, inner tube is enclosed within the middle of external pipe, inner tube and external pipe are fixed together by annular termination, two of left and right, the outer surface of inner tube is surrounded by insulation material layer, between insulation material layer outer surface and external pipe internal surface, forms toroidal cavity.
Described insulation material layer can adopt application or bonding mode to wrap on the outer surface of inner tube, or directly adopts barney to be directly enclosed within on the outer surface of inner tube.
Further improve, offer pressure exploration hole in described external pipe, on pressure exploration hole, pressure transducer is housed, pressure transducer changes for the pressure of surveying described toroidal cavity.The pressure of monitoring constantly toroidal cavity by pressure transducer changes just to judge whether inner tube has breakage, can in time breakage spot pipeline be repaired or be changed, and guarantees to use safety, further solves the safety in utilization problem of conveyance conduit.
Further improve, described external pipe is provided with vacuumizing joint, by described vacuumizing joint, described toroidal cavity is vacuumized.Further improve the soundproof effect of pipeline.
The internal surface of preferred described annular termination adopts screw thread phase interlocking with inner tube outer surface, between the internal surface of annular termination and inner tube outer surface, O-ring seals is also housed.Facilitate the affixed of annular termination and inner tube, improve the tightness of fixing position simultaneously.
Further improve, described annular termination outer surface is provided with a stepped shaft draw-in groove, and the end face of external pipe and internal surface and described draw-in groove are connected together, and between external pipe, inner tube and the annular termination of described toroidal cavity both sides, y-shaped ring are housed.Facilitate the affixed of annular termination and external pipe, can guarantee again the tightness of toroidal cavity.
Improve as another, described annular termination outer surface is provided with a stepped shaft draw-in groove, and the end face of external pipe and internal surface are bonded on described draw-in groove.Further improve the tightness of toroidal cavity.
Further improve, between described inner tube outer surface and external pipe internal surface, near end, a support ring is respectively housed.Bulk strength can be improved on the one hand, the assembling of inner tube, two annular terminations of external pipe and left and right can be facilitated on the other hand.
Further improve, the outer surface of described annular termination is provided with annular connecting groove.Facilitate pipeline to connect.
Further improve, adjacent annular termination is connected together by annular buckle and described annular connecting groove again, and the centre of annular buckle is equipped with seal ring and is matched with adjacent annular termination outer surface respectively.Further facilitate interconnecting of pipeline and pipeline.
Improve as another, described annular termination is provided with adpting flange.Adopt like this connecting bolt just pipeline and pipeline can be linked together.
Described inner tube can adopt high-abrasive material to make, to improve pipeline working life.Described external pipe can adopt the lightweight anti-corrosion materials such as engineering plastics to make.
The utility model, because the outer surface in inner tube is surrounded by insulation material layer, forms annular toroidal cavity between insulation material layer outer surface and external pipe internal surface simultaneously.By the soundproof effect of insulation material layer and toroidal cavity stack, greatly improve Pneumatic conveying pipeline noise problem at work, there is better soundproof effect, effectively improve working environment.The utility model has also further solved the safety issue that conveyance conduit uses, and has good popularizing prospect.
Brief description of the drawings
Fig. 1 is the utility model the first embodiment plan view;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 2;
Fig. 4 is that two pipelines of the utility model the first embodiment interconnect plan view;
Fig. 5 is the utility model the second embodiment plan view;
Fig. 6 is the C-C sectional view of Fig. 5;
Fig. 7 is the D-D sectional view of Fig. 6;
Fig. 8 is that two pipelines of the utility model the second embodiment interconnect plan view.
Embodiment
Below in conjunction with accompanying drawing and concrete mode of execution, the utility model is described in further detail.
Shown in embodiment one, Fig. 1 to Fig. 3, a kind of Pneumatic conveying pipeline, comprise inner tube 1, external pipe 2, inner tube 1 is enclosed within the middle of external pipe 2, inner tube 1 and external pipe 2 are fixed together by annular termination 3, two of left and right, the outer surface of inner tube 1 is surrounded by insulation material layer 4, between insulation material layer 4 outer surfaces and external pipe 2 internal surfaces, forms toroidal cavity 10.
Described insulation material layer 4 can adopt application or bonding mode to wrap on the outer surface of inner tube 1.Described insulation material layer 4 can be selected rubber-plastic foamed Sound-proof material, metallic dust composite high-molecular deadening felt or butyl rubber acoustical cotton; Or adopt polyurethane barney to be directly enclosed within on the outer surface of inner tube 1.
In external pipe 2, offer pressure exploration hole, pressure transducer 5 is housed on pressure exploration hole.Survey the pressure changing of described toroidal cavity 10 by pressure transducer 5, just can judge whether inner tube 1 has breakage, leakage.Once because inner tube 1 occurs breakage, leaks, the air pressure in inner tube 1 will be delivered to toroidal cavity 10, the atmospheric pressure value that pressure transducer 5 is surveyed just there will be variation.By detecting in time the breakage of inner tube 1, just can repair in time and change, solve conveyance conduit safety in utilization problem.
A vacuumizing joint 6 is set in described external pipe 2, by described vacuumizing joint 6, described toroidal cavity 10 is vacuumized.Can further improve soundproof effect.
The internal surface of described annular termination 3 adopts screw thread phase interlocking with inner tube 1 outer surface, simultaneously between the internal surface of annular termination 3 and inner tube 1 outer surface, O-ring seals 7 is also housed, improves the affixed tightness of the internal surface of annular termination 3 and inner tube 1 outer surface.
In described annular termination, 3 outer surfaces are provided with a stepped shaft draw-in groove 31, and the end face of external pipe 2 and internal surface and described draw-in groove 31 are connected together, and between external pipe 2, inner tube 1 and the annular termination 3 of described toroidal cavity 10 both sides, y-shaped ring 8 are housed simultaneously.Further improve the tightness of toroidal cavity 10.
The end face of described external pipe 2 and internal surface also can adopt gluing being connected on described draw-in groove 31.Further to improve tightness and the join strength of toroidal cavity 10.
Between described inner tube 1 outer surface and external pipe 2 internal surfaces, near end, a support ring 9 is respectively housed.Can improve bulk strength, also can facilitate the assembling of inner tube 1, external pipe 2 and two annular terminations 3, left and right.
Be provided with annular connecting groove 32 at the outer surface of described annular termination 3.
Shown in Fig. 4 is further, arrange after annular connecting groove 32 at the outer surface of described annular termination 3, adjacent annular termination 3 just can be connected together adjacent channel by annular buckle 20 and described annular connecting groove 32, the centre of annular buckle 20 is equipped with seal ring 30 and is matched with adjacent annular termination 3 outer surfaces respectively, to improve the tightness between pipeline and pipeline.
Described inner tube 1 is optional to be made up of high-abrasive materials such as steel, pottery, cement, to improve wear resistance, increases the service life, and external pipe 2 can select the engineering plastics such as PVC, PE to make, and to improve antiseptic property, reduces pipeline weight.
Shown in embodiment two, Fig. 5 to Fig. 7, they are different from embodiment one, and the outer surface of annular termination 3 is not established annular connecting groove 32, but adpting flange 33 is set.
Shown in Fig. 8 is further, adjacent annular termination 3 just can be connected together adjacent channel by bolt 40 and described adpting flange 33, sealing gasket also can be set to improve the tightness between pipeline and pipeline between adpting flange 33.
Below be only two preferred embodiments of the utility model, the change that those skilled in the art does to be equal to by claim all falls into the protection domain of this case.
Claims (10)
1. a Pneumatic conveying pipeline, it is characterized in that: comprise inner tube, external pipe, inner tube is enclosed within the middle of external pipe, inner tube and external pipe are fixed together by annular termination, two of left and right, the outer surface of inner tube is surrounded by insulation material layer, between insulation material layer outer surface and external pipe internal surface, forms toroidal cavity.
2. a kind of Pneumatic conveying pipeline according to claim 1, is characterized in that: in described external pipe, offer pressure exploration hole, on pressure exploration hole, pressure transducer is housed, pressure transducer changes for the pressure of surveying described toroidal cavity.
3. a kind of Pneumatic conveying pipeline according to claim 1, is characterized in that: described external pipe is provided with vacuumizing joint, by described vacuumizing joint, described toroidal cavity is vacuumized.
4. a kind of Pneumatic conveying pipeline according to claim 1, is characterized in that: the internal surface of described annular termination adopts screw thread phase interlocking with inner tube outer surface, between the internal surface of annular termination and inner tube outer surface, O-ring seals is also housed.
5. a kind of Pneumatic conveying pipeline according to claim 1, it is characterized in that: described annular termination outer surface is provided with a stepped shaft draw-in groove, the end face of external pipe and internal surface and described draw-in groove are connected together, and between external pipe, inner tube and the annular termination of described toroidal cavity both sides, y-shaped ring are housed.
6. a kind of Pneumatic conveying pipeline according to claim 1, is characterized in that: described annular termination outer surface is provided with a stepped shaft draw-in groove, and the end face of external pipe and internal surface are bonded on described draw-in groove.
7. a kind of Pneumatic conveying pipeline according to claim 1, is characterized in that: between described inner tube outer surface and external pipe internal surface, near end, a support ring is respectively housed.
8. according to a kind of Pneumatic conveying pipeline described in claim 1 to 7 any one, it is characterized in that: the outer surface of described annular termination is provided with annular connecting groove.
9. a kind of Pneumatic conveying pipeline according to claim 8, is characterized in that: adjacent annular termination is connected together by annular buckle and described annular connecting groove, and the centre of annular buckle is equipped with seal ring and is matched with adjacent annular termination outer surface respectively.
10. according to a kind of Pneumatic conveying pipeline described in claim 1 to 7 any one, it is characterized in that: described annular termination is provided with adpting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178802.7U CN203940137U (en) | 2014-04-15 | 2014-04-15 | A kind of Pneumatic conveying pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178802.7U CN203940137U (en) | 2014-04-15 | 2014-04-15 | A kind of Pneumatic conveying pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203940137U true CN203940137U (en) | 2014-11-12 |
Family
ID=51859451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420178802.7U Expired - Lifetime CN203940137U (en) | 2014-04-15 | 2014-04-15 | A kind of Pneumatic conveying pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203940137U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899854A (en) * | 2014-04-15 | 2014-07-02 | 厦门美甘齐动物料输送工程股份有限公司 | Pneumatic conveying pipeline |
| CN104500869A (en) * | 2014-11-25 | 2015-04-08 | 南通四通林业机械制造安装有限公司 | Dryer air pipe with noise reduction function |
| CN105276303A (en) * | 2015-12-08 | 2016-01-27 | 金剑 | Novel pipeline capable of preventing leakage and stoppage |
| EP3572706A1 (en) * | 2018-05-24 | 2019-11-27 | Linde Aktiengesellschaft | Apparatus and method for wear monitoring of a pipe |
-
2014
- 2014-04-15 CN CN201420178802.7U patent/CN203940137U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899854A (en) * | 2014-04-15 | 2014-07-02 | 厦门美甘齐动物料输送工程股份有限公司 | Pneumatic conveying pipeline |
| CN104500869A (en) * | 2014-11-25 | 2015-04-08 | 南通四通林业机械制造安装有限公司 | Dryer air pipe with noise reduction function |
| CN105276303A (en) * | 2015-12-08 | 2016-01-27 | 金剑 | Novel pipeline capable of preventing leakage and stoppage |
| EP3572706A1 (en) * | 2018-05-24 | 2019-11-27 | Linde Aktiengesellschaft | Apparatus and method for wear monitoring of a pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: MEIGAN QIDONG (XIAMEN) MATERIAL CONVEYING ENGINEER Free format text: FORMER NAME: XIAMEN MEGAPCE MATERIAL TRANSPORT ENGINEERING CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 361000, Weiye building, pioneer zone, torch hi tech Zone, Fujian, Xiamen province N102 Patentee after: MEIGAN QIDONG (XIAMEN) MATERIAL HANDLING ENGINEERING CO.,LTD. Address before: 361000, Weiye building, pioneer zone, torch hi tech Zone, Fujian, Xiamen province N102 Patentee before: XIAMEN MEGAPCE MATERIAL CONVEYING ENGINEERING Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20141112 |
|
| CX01 | Expiry of patent term |