CN203363511U - Current limiting elbow - Google Patents
Current limiting elbow Download PDFInfo
- Publication number
- CN203363511U CN203363511U CN 201320430133 CN201320430133U CN203363511U CN 203363511 U CN203363511 U CN 203363511U CN 201320430133 CN201320430133 CN 201320430133 CN 201320430133 U CN201320430133 U CN 201320430133U CN 203363511 U CN203363511 U CN 203363511U
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- CN
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- Prior art keywords
- bend pipe
- current limliting
- wearing layer
- thickness
- arc side
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- 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 - Fee Related
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- 239000000463 material Substances 0.000 abstract description 43
- 239000002699 waste material Substances 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000032258 transport Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 2
- 240000004859 Gamochaeta purpurea Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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Abstract
The utility model relates to a transportation pipeline, in particular to a wear-resistant current limiting elbow for flow split, aiming at solving the problems of damage of a use device or a storage container due to asynchronous work after flow split of a transportation main pipeline and material waste. The current limiting elbow comprises an outer pipe and a wear-resistant layer, wherein the wear-resistant layer is attached to the inner wall of the outer pipe; the internal diameter of the wear-resistant layer on the middle part of the current limiting elbow is less than the internal diameters of other components of the current limiting elbow. Thus, the flow rate of a fluid medium in each branch pipe connected with a same shunt valve in the transportation pipeline is equal, so that the filling speed of each use device or storage container is the same, further each use device or storage container works synchronously and is prevented from being damaged due to asynchronous work, the service life of the use device or the storage container is prolonged and the material waste is avoided.
Description
Technical field
The utility model relates to delivering pipe, relates in particular to the wear-resisting current limliting bend pipe of shunting use.
Background technique
When the material that uses transportation Pipeline transport large particle or advance fast in the transportation pipeline, usually adopt strength or pumping slurry to realize the conveying of material.In the process of transporting, for transporting the material transported in pipeline, deliver to respectively in different use equipment or storage vessel, on the supervisor's that is everlasting outlet end, some arms are set material is shunted.But, in actual process of transporting material, often that the use equipment that has or storage vessel are while having filled up, also have some use equipment or storage vessel can slowly fill up after a period of time, each use equipment or storage vessel work are asynchronous, and then cause some use equipment or storage vessel to damage, and waste material.
The model utility content
For solving use equipment or storage vessel because of asynchronous damage of the rear work of transportation main line shunting, and the problem that causes material to waste, the inventor is studied analysis to existing transportation pipeline, find: the conveying material entered in each arm by supervisor is larger by the difference of the flow of flowing medium, the flow of the flowing medium in the arm that causes having can fill up use equipment or storage vessel more greatly fast, the flow of the flowing medium in some arms is less and cause material to be detained in arm, even stop up arm, can't fill up fast use equipment or storage vessel, and then cause each use equipment or storage vessel work asynchronous.
The utility model proposes a kind of current limliting bend pipe, this current limliting bend pipe comprises outer tube and wearing layer, described wearing layer is attached on the inwall of described outer tube, and the internal diameter of described wearing layer in the intermediate portion of this current limliting bend pipe is less than the internal diameter at other positions of this current limliting bend pipe.When the material that supervisor transports in to the transportation pipeline is shunted, all by the utility model current limliting bend pipe, connect an arm on each split-flow opening of the diverter valve at supervisor outlet end place, and select as required the current limliting bend pipe of same model or different model to be connected with each split-flow opening of diverter valve.Like this, the flow that can make to transport flowing medium in each arm that in pipeline, same diverter valve connects equates, make the speed of filling up of each use equipment or storage vessel identical, and then each use equipment or storage vessel work synchronous, avoid each use equipment or storage vessel because of asynchronous damage of working, extend the working life of use equipment or storage vessel, avoided the material waste.
Preferably, the internal diameter of described wearing layer starts to diminish gradually to the intermediate portion of this current limliting bend pipe from the two ends of this bend pipe.Like this; the internal diameter of described wearing layer starts to diminish gradually from the two ends of this current limliting bend pipe; make material by this current limliting bend pipe the time; the entrained material of flowing medium can not diminish suddenly because of the internal diameter of described wearing layer the wearing layer generation of this current limliting bend pipe is impacted; and then protect described wearing layer not to be damaged, the current limiting capacity of this current limliting bend pipe is unaffected.
Preferably, described wearing layer equals described wearing layer at the thickness that is positioned at current limliting bend pipe inner arc side at the thickness that is positioned at this current limliting bend pipe outer arc side.Further, the intermediate portion from current limliting bend pipe two ends to this current limliting bend pipe, the thickness of described wearing layer increases gradually continuously.Such current limliting bend pipe is mainly used in transporting the material be suspended in flowing medium.
Preferably, described wearing layer is greater than described wearing layer at the thickness that is positioned at current limliting bend pipe inner arc side at the thickness that is positioned at this current limliting bend pipe outer arc side.Further, the intermediate portion from current limliting bend pipe two ends to this current limliting bend pipe, the thickness that is positioned at the wearing layer of this current limliting bend pipe outer arc side increases gradually continuously, and the thickness that is positioned at the wearing layer of this current limliting bend pipe inner arc side remains unchanged.Like this, when material swims on flowing medium, this current limliting bend pipe is bent downwardly from substantially horizontal; When material sinks to the flowing medium bottom, this current limliting bend pipe is bent upwards from substantially horizontal, and then makes material impact on the wearing layer that is positioned at this current limliting bend pipe outer arc side, can extend the working life of current limliting bend pipe.
Preferably, described wearing layer is less than described wearing layer at the thickness that is positioned at current limliting bend pipe inner arc side at the thickness that is positioned at this current limliting bend pipe outer arc side.Further, the intermediate portion from current limliting bend pipe two ends to this current limliting bend pipe, the thickness that is positioned at the wearing layer of this current limliting bend pipe outer arc side remains unchanged, and the thickness that is positioned at the wearing layer of this current limliting bend pipe inner arc side increases gradually continuously.Like this, when material swims on flowing medium, this current limliting bend pipe is bent upwards from substantially horizontal; When material sinks to the flowing medium bottom, this current limliting bend pipe is bent downwardly from substantially horizontal, and then makes material impact on the wearing layer that is positioned at this current limliting bend pipe outer arc side, can extend the working life of current limliting bend pipe.
In the utility model current limliting bend pipe being arranged on to the transportation pipeline between supervisor and arm after, can be shunted the material that transports in supervisor, and the flowing medium that is entered arm by supervisor is carried out to current limliting.When the internal diameter of the intermediate portion that is arranged on the current limliting bend pipe between supervisor and each arm equates; the flow that is entered the flowing medium of each arm by supervisor equates; the inventory that makes to enter in each arm is also substantially equal; and then can make each use equipment or storage vessel work synchronous; protect each use equipment or storage vessel not to be damaged, avoid the material waste.Compared to the density of flowing medium and minute flow path direction, select dissimilar current limliting bend pipe according to material, make on the material impact position that wearing layer thickness is larger in the current limliting bend pipe, to extend the working life of current limliting bend pipe.
The accompanying drawing explanation
The perspective view that Fig. 1 is the utility model current limliting bend pipe;
Fig. 2 is the schematic perspective view that the utility model current limliting bend pipe the first embodiment cuts open along the central axis of outer tube;
Fig. 3 is the schematic perspective view that the utility model current limliting bend pipe the second embodiment cuts open along the central axis of outer tube;
Fig. 4 is the schematic perspective view that the utility model current limliting bend pipe the 3rd embodiment cuts open along the central axis of outer tube.
Embodiment
The utility model is current limliting bend pipe as shown in Figure 1, and this current limliting bend pipe comprises outer tube 1 and wearing layer 2, and wearing layer 2 is for adopting self-propagating combustion technique to be attached to the ceramic wearing coat on the inwall of outer tube 1.As shown in Figures 2 to 4, the internal diameter of wearing layer 2 in the intermediate portion of this current limliting bend pipe is less than the internal diameter in these other parts of current limliting bend pipe.When the material in supervisor is shunted, internal diameter identical current limliting bend pipe in intermediate portion is installed between supervisor and each shunt pipe, make the flow etc. of the flowing medium in each arm after shunting large, entrained inventory is also basic identical, to reach the uniform effect of shunting.
Preferably, as shown in Figure 2, the internal diameter of wearing layer 2 starts to diminish gradually to the intermediate portion of this current limliting bend pipe from the two ends of this current limliting bend pipe.Like this, when material passes through this current limliting bend pipe under the carrying of air-flow or liquid stream, can not diminish suddenly because of the internal diameter of wearing layer 2 wearing layer 2 generations of this current limliting bend pipe are impacted, cause the damage of wearing layer 2, even affect the current limiting capacity of current limliting bend pipe.
Because delivering pipe is to utilize high-pressure fluid medium to carry material to carry out transporting of material, so the abration position of the inwall of current limliting bend pipe and the degree of wear all are subject to the impact of the distribution of material in flowing medium.When the material density transported is less than the density of flowing medium and swims on flowing medium, this material is larger to the wearing and tearing of the inwall of upper half part of current limliting bend pipe wearing layer 2 through out-of-date meeting from the current limliting bend pipe.When the density of the material transported equals the density of flowing medium and is suspended in flowing medium, this material from the current limliting bend pipe through out-of-date to this current limliting bend pipe in the wearing and tearing of the upper part inwall of wearing layer 2 and lower part inwall suitable.When the material density transported is greater than the density of flowing medium and sinks to the bottom of flowing medium, this material from the current limliting bend pipe through out-of-date meeting to the current limliting bend pipe in the wearing and tearing of inwall of lower half portion of wearing layer 2 larger.The inventor, for above-mentioned several situations, proposes following three kinds of current limliting bend pipes.
As shown in Figure 2, the thickness that is positioned at the wearing layer 21 of current limliting bend pipe outer arc side is greater than the thickness of the wearing layer 22 that is positioned at current limliting bend pipe inner arc side, and the intermediate portion from current limliting bend pipe two ends to this current limliting bend pipe, the thickness that is positioned at the wearing layer 21 of current limliting bend pipe outer arc side increases gradually continuously, and the thickness that is positioned at the wearing layer 22 of current limliting bend pipe inner arc side remains unchanged.When the material transported swims on flowing medium, this current limliting bend pipe is crooked downwards by substantially horizontal; When the material transported sinks to the flowing medium bottom, this current limliting bend pipe is bent upwards by substantially horizontal.Like this, wearing layer is larger near a side thickness of material, can extend the working life of current limliting pipeline.
As shown in Figure 3, the thickness that is positioned at the wearing layer 21 of current limliting bend pipe outer arc side equals to be positioned at the thickness of the wearing layer 22 of current limliting bend pipe inner arc side, and the intermediate portion from current limliting bend pipe two ends to this current limliting bend pipe, be positioned at the thickness of wearing layer 21 of current limliting bend pipe outer arc side and the thickness that is positioned at the wearing layer 22 of current limliting bend pipe inner arc side and all increase continuously gradually.Such current limliting bend pipe is mainly used in transporting the material be suspended in flowing medium and, in the process of transporting, this current limliting bend pipe both can be crooked downwards by substantially horizontal, can be bent upwards by substantially horizontal again.In addition, the thickness of wearing layer that is arranged in this current limliting bend pipe bending section is larger, can extend the working life of this current limliting pipeline.
Embodiment 3
As shown in Figure 2, the thickness that is positioned at the wearing layer 21 of current limliting bend pipe outer arc side is less than the thickness of the wearing layer 22 that is positioned at current limliting bend pipe inner arc side, and the intermediate portion from current limliting bend pipe two ends to this current limliting bend pipe, the thickness that is positioned at the wearing layer 21 of current limliting bend pipe outer arc side remains unchanged, and the thickness that is positioned at the wearing layer 22 of current limliting bend pipe inner arc side increases gradually continuously.When the material transported swims on flowing medium, this current limliting bend pipe is crooked upward by substantially horizontal; When the material transported sinks to the bottom of flowing medium, this current limliting bend pipe is bent downwardly by substantially horizontal.Like this, make wearing layer 2 larger near the thickness of a side of material, can extend the working life of current limliting pipeline.
Claims (8)
1. a current limliting bend pipe, this current limliting bend pipe comprises outer tube and wearing layer, described wearing layer is attached on the inwall of described outer tube, and the internal diameter of described wearing layer in the intermediate portion of this current limliting bend pipe is less than the internal diameter at other positions of this current limliting bend pipe.
2. current limliting bend pipe according to claim 1, is characterized in that, the internal diameter of described wearing layer starts to diminish gradually to the intermediate portion of this current limliting bend pipe from the two ends of this bend pipe.
3. current limliting bend pipe according to claim 2, is characterized in that, described wearing layer equals described wearing layer at the thickness that is positioned at current limliting bend pipe inner arc side at the thickness that is positioned at this current limliting bend pipe outer arc side.
4. current limliting bend pipe according to claim 3, is characterized in that, the intermediate portion from current limliting bend pipe two ends to this current limliting bend pipe, and the thickness of described wearing layer increases gradually continuously.
5. current limliting bend pipe according to claim 2, is characterized in that, described wearing layer is greater than described wearing layer at the thickness that is positioned at current limliting bend pipe inner arc side at the thickness that is positioned at this current limliting bend pipe outer arc side.
6. current limliting bend pipe according to claim 5, it is characterized in that, intermediate portion from current limliting bend pipe two ends to this current limliting bend pipe, the thickness that is positioned at the wearing layer of this current limliting bend pipe outer arc side increases gradually continuously, and the thickness that is positioned at the wearing layer of this current limliting bend pipe inner arc side remains unchanged.
7. current limliting bend pipe according to claim 2, is characterized in that, described wearing layer is less than described wearing layer at the thickness that is positioned at current limliting bend pipe inner arc side at the thickness that is positioned at this current limliting bend pipe outer arc side.
8. current limliting bend pipe according to claim 7, it is characterized in that, intermediate portion from current limliting bend pipe two ends to this current limliting bend pipe, the thickness that is positioned at the wearing layer of this current limliting bend pipe outer arc side remains unchanged, and the thickness that is positioned at the wearing layer of this current limliting bend pipe inner arc side increases gradually continuously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320430133 CN203363511U (en) | 2013-07-17 | 2013-07-17 | Current limiting elbow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320430133 CN203363511U (en) | 2013-07-17 | 2013-07-17 | Current limiting elbow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203363511U true CN203363511U (en) | 2013-12-25 |
Family
ID=49811270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320430133 Expired - Fee Related CN203363511U (en) | 2013-07-17 | 2013-07-17 | Current limiting elbow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203363511U (en) |
-
2013
- 2013-07-17 CN CN 201320430133 patent/CN203363511U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20150717 |
|
| EXPY | Termination of patent right or utility model |