CN206860225U - A kind of mineral long reach automatic pressure-reducing device - Google Patents
A kind of mineral long reach automatic pressure-reducing device Download PDFInfo
- Publication number
- CN206860225U CN206860225U CN201720799880.2U CN201720799880U CN206860225U CN 206860225 U CN206860225 U CN 206860225U CN 201720799880 U CN201720799880 U CN 201720799880U CN 206860225 U CN206860225 U CN 206860225U
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- China
- Prior art keywords
- pressure
- tubule
- pressure release
- slip casting
- long reach
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Abstract
A kind of mineral long reach automatic pressure-reducing device, belong to mining pipeline pressure release technical field.It is characterized in that：In described slip casting entrance tubule（1）With outlet tubule（11）Between set up a pressure release extra heavy pipe being sequentially connected（3）, secondary pressure relief device（5）, a described pressure release extra heavy pipe（3）Spout diameter be slip casting entrance tubule（1）With outlet tubule（11）More than twice of spout diameter, slip casting entrance tubule（1）With outlet tubule（11）On be respectively equipped with valve and pressure gauge.The utility model is additionally arranged Multi-stage pressure-releasing device between traditional slip casting entrance and exit, the principle for flowing into thick loine pressure reduction from tubule road using fluid forms self-relieving structure, special messenger's nurse is not needed, fully meet the onsite application demand of high buried depth working environment, reduce the repairing number that drum splits pipeline, reduce the input of human and material resources, ensure that the continuity of goaf grouting, it is ensured that mine safety production.
Description
Technical field
A kind of mineral long reach automatic pressure-reducing device, belong to mining pipeline pressure release technical field.
Background technology
At present, goaf is administered in the most of collieries in the whole nation using to the construction technology of goaf grouting fire extinguishing.China
Many coal mining depths reach -1000m, and grouting pipeline pressure-bearing is about 13Mpa at buried depth -1000m, and in the market is existing
Pipeline, stop valve and ring flange nominal pressure are up to 10Mpa, and because high buried depth, pressure are big, filling system is often managed
Road, ring flange, stop valve drum split situation, can not meet bearing requirements.In the case of traditional mode, it is often necessary to arrange special
People periodically patrols grouting pipeline, and going wrong need to arrange personnel to rush to repair filling system, and pipeline repair needs to throw
Enter a large amount of human and material resources, influence to continue slip casting to goaf, considerable influence is brought to mine fire prevention work.
The content of the invention
Technical problem to be solved in the utility model is：Overcome the deficiencies in the prior art, there is provided a kind of releasing pressure automatically, expire
The high buried depth need of work of foot, the mineral long reach automatic pressure-reducing device frequently periodically patrolled without special messenger.
The utility model solves the technical scheme that its technical problem uses：The mineral long reach automatic pressure-reducing device, bag
Include slip casting entrance tubule and outlet tubule, it is characterised in that：Described slip casting entrance tubule and outlet tubule between set up according to
A pressure release extra heavy pipe, the secondary pressure relief device of secondary connection, the spout diameter of described pressure release extra heavy pipe is slip casting entrance tubule
With more than twice of spout diameter of outlet tubule, be respectively equipped with valve and pressure gauge on slip casting entrance tubule and outlet tubule.
The utility model is additionally arranged Multi-stage pressure-releasing device, respectively once mounting between traditional slip casting entrance and exit
A pressure release extra heavy pipe, secondary pressure relief device etc., first by nozzle diameter well beyond the thick of traditional Grouting Pipe nozzle diameter
Pipe carries out the pressure release of first time, increases bearing area, reduces the pressure that tube wall is born, ensure that the safety of filling system
Property, the slip casting after first pressure release is again introduced into secondary pressure relief device and carries out secondary pressure release, coordinates and be separately mounted to slip casting
Valve and pressure gauge on entrance tubule and outlet tubule, it can clearly judge to obtain pressure drop in outlet pipe and pressure difference.To ensure to note
Slurry system it is safe and reliable, flow into the principle that thick loine pressure reduces from tubule road using fluid and form self-relieving structure,
Special messenger's nurse is not needed, it is low to equipment requirement grade, only need periodic cleaning to safeguard, the device can use always, and method is convenient, can
It is wide with scope, fully meet the onsite application demand of high buried depth working environment.
Described secondary pressure relief device includes secondary pressure release supervisor and a plurality of shunting transverse tube be arrangeding in parallel, and a plurality of shunting is horizontal
The common connecting secondary pressure release in pipe both ends is responsible for, and is connected between a plurality of shunting transverse tube by communicating pipe.
Described communicating pipe is obliquely installed.
The spout diameter of described a plurality of shunting transverse tube and the spout diameter of secondary pressure release supervisor with a pressure release extra heavy pipe
It is identical.
A described pressure release extra heavy pipe is provided with multiple cleaning water valves.Pipeline inside can be timed by cleaning water valve
Cleaning, ensure the smooth of pipeline internal circulation, avoid slurries from assembling.
The port of export of described secondary pressure relief device is provided with automatic decompression device, and automatic decompression device is including pressure relief opening and certainly
Dynamic relief tube, pressure relief opening are arranged on the outlet tube wall of secondary pressure relief device, and automatic leakage pressure pipe one end is fixedly connected with pressure relief opening.
Automatic pressure-relief port is set in the port of export of secondary pressure relief device, when slurry pressure is excessive, passes through automatic pressure-relief port
Slurry pressure can be discharged, reach the purpose of release.Prevent because grouting pressure senior general ring flange and valve drum split phenomenon
Occur, reduce production cost input, reduce the risk of spontaneous combustion of remaining coal in mine goaf.
The port of export of described automatic leakage pressure pipe is provided with manual relief valve.
The spout diameter of described slip casting entrance tubule and outlet tubule is 108mm or 159mm, a pressure release extra heavy pipe mouth of pipe
Internal diameter is 426mm.
Compared with prior art, beneficial effect possessed by the utility model is：The utility model is guarantee filling system
It is safe and reliable, be additionally arranged Multi-stage pressure-releasing device, respectively once mounting once between traditional slip casting entrance and exit
Pressure release extra heavy pipe, secondary pressure relief device etc., carried out first by the extra heavy pipe of nozzle diameter well beyond traditional Grouting Pipe nozzle diameter
The pressure release of first time, increases bearing area, reduces the pressure that tube wall is born, and ensure that the security of filling system, passes through
Slip casting after first pressure release is again introduced into secondary pressure relief device and carries out secondary pressure release, and cooperation is separately mounted to slip casting entrance tubule
With the valve and pressure gauge on outlet tubule, pressure drop in outlet pipe and pressure difference can be clearly judged to obtain.To ensure filling system
Securely and reliably, the principle for flowing into thick loine pressure reduction from tubule road using fluid forms self-relieving structure, it is not necessary to specially
People nurses, low to equipment requirement grade, only needs periodic cleaning to safeguard, the device can use always, and method is convenient, usable range
Extensively, the onsite application demand of high buried depth working environment is fully met.The security of filling system is improved, reduces inspection pipeline
Personnel amount, extend polling period.The repairing number that drum splits pipeline is reduced, reduces the input of human and material resources, ensure that
The continuity of goaf grouting, it is ensured that mine safety production.
Brief description of the drawings
Fig. 1 is mineral long reach automatic pressure-reducing device connection relationship diagram.
Fig. 2 is Fig. 1 A-A partial schematic sectional views.
Wherein, 1, slip casting entrance tubule 2, inlet pressure gauge 3, pressure release extra heavy pipes 301, elbow 4, a rinse waters
Valve 5, secondary pressure relief device 501, shunting transverse tube 502, communicating pipe 503, secondary pressure release supervisor 6, pressure relief opening 7,
Delivery gauge 8, outlet main valve 9, automatic leakage pressure pipe 10, manual relief valve 11, outlet tubule.
Embodiment
Fig. 1 ~ 2 are most preferred embodiments of the present utility model, and 1 ~ 2 pair of the utility model is done furtherly below in conjunction with the accompanying drawings
It is bright.
Referring to the drawings 1 ~ 2：A kind of mineral long reach automatic pressure-reducing device, including slip casting entrance tubule 1 and outlet tubule 11,
A pressure release extra heavy pipe 3, the secondary pressure relief device 5 being sequentially connected are set up between slip casting entrance tubule 1 and outlet tubule 11, it is described
The spout diameter of a pressure release extra heavy pipe 3 for slip casting entrance tubule 1 and export, slip casting more than twice of spout diameter of tubule 11
The spout diameter of entrance tubule 1 and outlet tubule 11 is 108mm or 159mm, and a spout diameter of pressure release extra heavy pipe 3 is 426mm.Note
Valve and pressure gauge are respectively equipped with slurry entrance tubule 1 and outlet tubule 11.Specifically, it is respectively to be arranged on slip casting entrance tubule
Inlet pressure gauge 2 on 1, and delivery gauge 7 and outlet main valve 8 on outlet tubule 11.
Secondary pressure relief device 5 includes secondary pressure release supervisor 503 and a plurality of shunting transverse tube 501 be arrangeding in parallel, a plurality of shunting
The common connecting secondary pressure release in the both ends of transverse tube 501 is responsible for 503, is connected between a plurality of shunting transverse tube 501 by communicating pipe 502.Connection
Pipe 502 is obliquely installed.The pipe of a plurality of shunting transverse tube 501 and the spout diameter of secondary pressure release supervisor 503 with a pressure release extra heavy pipe 3
Intraoral footpath is identical.Pressure release extra heavy pipe 3 is provided with multiple cleaning water valves 4.
The port of export of secondary pressure relief device 5 is provided with automatic decompression device, and automatic decompression device includes pressure relief opening 6 and automatic leakage
Pressure pipe 9, pressure relief opening 6 are arranged on the outlet tube wall of secondary pressure relief device 5, and the one end of automatic leakage pressure pipe 9 is fixedly connected with pressure relief opening 6.
The port of export of automatic leakage pressure pipe 9 is provided with manual relief valve 10.
The utility model at work, once the letting out well beyond traditional Grouting Pipe nozzle diameter first by nozzle diameter
Extra heavy pipe 3 is pressed to carry out the pressure release of first time, the principle for flowing into thick loine pressure reduction from tubule road using fluid forms releasing pressure automatically
Structure, increase bearing area, reduce the pressure that tube wall is born, ensure that the security of filling system, by letting out for the first time
Slip casting after pressure is again introduced into secondary pressure relief device 5 and carries out secondary pressure release, and cooperation is separately mounted to slip casting entrance tubule 1 and gone out
Valve and pressure gauge on mouthful tubule 11, it can clearly judge to obtain pressure drop in outlet pipe and pressure difference.In going out for secondary pressure relief device 5
Mouth end sets automatic pressure-relief port 6, when slurry pressure is excessive, can discharge slurry pressure by pressure relief opening 6, reaches the mesh of release
's.Prevent, because grouting pressure senior general ring flange and valve drum split the generation of phenomenon, to reduce production cost input, reduce
The risk of spontaneous combustion of remaining coal in mine goaf.
Use of the present utility model, it is not necessary to which special messenger nurses, low to equipment requirement grade, only needs periodic cleaning to safeguard, should
Device can use always, and method is convenient, and usable range is wide, fully meet the onsite application demand of high buried depth working environment.Reduce
Inspection pipeline personnel amount, extends polling period, reduces the repairing number that drum splits pipeline, ensure that goaf grouting
Continuity, it is ensured that mine safety production.
It is described above, only it is preferred embodiment of the present utility model, is not that other forms are made to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of change.But it is every without departing from the content of the technical scheme of the utility model, it is real according to technology of the present utility model
Any simple modification, equivalent variations and the remodeling that confrontation above example is made, still fall within the guarantor of technical solutions of the utility model
Protect scope.
Claims (8)
1. a kind of mineral long reach automatic pressure-reducing device, including slip casting entrance tubule（1）With outlet tubule（11）, its feature exists
In：In described slip casting entrance tubule（1）With outlet tubule（11）Between set up a pressure release extra heavy pipe being sequentially connected（3）, two
Secondary pressure relief device（5）, a described pressure release extra heavy pipe（3）Spout diameter be slip casting entrance tubule（1）With outlet tubule（11）
More than twice of spout diameter, slip casting entrance tubule（1）With outlet tubule（11）On be respectively equipped with valve and pressure gauge.
A kind of 2. mineral long reach automatic pressure-reducing device according to claim 1, it is characterised in that：Described secondary pressure release
Device（5）It is responsible for including secondary pressure release（503）With a plurality of shunting transverse tube be arrangeding in parallel（501）, a plurality of shunting transverse tube（501）Two
Common connecting secondary pressure release is held to be responsible for（503）, a plurality of shunting transverse tube（501）Between pass through communicating pipe（502）Connection.
A kind of 3. mineral long reach automatic pressure-reducing device according to claim 2, it is characterised in that：Described communicating pipe
（502）It is obliquely installed.
A kind of 4. mineral long reach automatic pressure-reducing device according to claim 2, it is characterised in that：Described a plurality of shunting
Transverse tube（501）It is responsible for secondary pressure release（503）Spout diameter with a pressure release extra heavy pipe（3）Spout diameter it is identical.
A kind of 5. mineral long reach automatic pressure-reducing device according to claim 1, it is characterised in that：A described pressure release
Extra heavy pipe（3）It is provided with multiple cleaning water valves（4）.
A kind of 6. mineral long reach automatic pressure-reducing device according to claim 1, it is characterised in that：Described secondary pressure release
Device（5）The port of export be provided with automatic decompression device, automatic decompression device includes pressure relief opening（6）With automatic leakage pressure pipe（9）, pressure release
Mouthful（6）It is arranged on secondary pressure relief device（5）Outlet tube wall on, automatic leakage pressure pipe（9）One end is fixedly connected with pressure relief opening（6）.
A kind of 7. mineral long reach automatic pressure-reducing device according to claim 6, it is characterised in that：Described releasing pressure automatically
Pipe（9）The port of export be provided with manual relief valve（10）.
A kind of 8. mineral long reach automatic pressure-reducing device according to claim 1, it is characterised in that：Described slip casting entrance
Tubule（1）With outlet tubule（11）Spout diameter be 108mm or 159mm, a pressure release extra heavy pipe（3）Spout diameter is 426mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720799880.2U CN206860225U (en) | 2017-07-04 | 2017-07-04 | A kind of mineral long reach automatic pressure-reducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720799880.2U CN206860225U (en) | 2017-07-04 | 2017-07-04 | A kind of mineral long reach automatic pressure-reducing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206860225U true CN206860225U (en) | 2018-01-09 |
Family
ID=60829756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720799880.2U Expired - Fee Related CN206860225U (en) | 2017-07-04 | 2017-07-04 | A kind of mineral long reach automatic pressure-reducing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206860225U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108643963A (en) * | 2018-04-25 | 2018-10-12 | 长沙矿山研究院有限责任公司 | For the pressure relief device of underground filling plugging, method and back-filling system |
-
2017
- 2017-07-04 CN CN201720799880.2U patent/CN206860225U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108643963A (en) * | 2018-04-25 | 2018-10-12 | 长沙矿山研究院有限责任公司 | For the pressure relief device of underground filling plugging, method and back-filling system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 Termination date: 20190704 |