CN208594964U - Pressure relief device and back-filling system for underground filling plugging - Google Patents
Pressure relief device and back-filling system for underground filling plugging Download PDFInfo
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- CN208594964U CN208594964U CN201820602993.3U CN201820602993U CN208594964U CN 208594964 U CN208594964 U CN 208594964U CN 201820602993 U CN201820602993 U CN 201820602993U CN 208594964 U CN208594964 U CN 208594964U
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Abstract
The utility model discloses a kind of pressure relief devices and back-filling system for underground filling plugging.Pressure relief device for underground filling plugging, including the filling piping for underground filling, filling piping includes the vertical drill pipe being laid in vertical earth-boring for injecting filling slurry and is horizontally laid in tunnel for being connected to the filling level main pipeline filled in filling area, it is connected between vertical drill pipe and filling level main pipeline by elbow, pressure relief device further includes being connected on filling level main pipeline above filling level main pipeline for carrying out the pressure relief mechanism of pressure release in pipe when filling piping plugging.The pressure relief device for underground filling plugging of the utility model, pressure relief mechanism is set to above filling level main pipeline, the service life of pressure relief mechanism short problem caused by avoiding the filling slurry of filling slurry vertical drill pipe mesohigh when avoiding normally filling while pressure relief mechanism position is accumulated from causing impact to influence pressure relief mechanism.
Description
Technical field
The utility model relates to filling in mine and pipe transportation technology fields, particularly, are related to a kind of for underground filling
The pressure relief device of plugging.In addition, the utility model further relate to it is a kind of including the above-mentioned pressure relief device for underground filling plugging
Back-filling system.
Background technique
Currently, filling in mine mostly uses pipeline self to convey greatly, since the bulk materials in filling slurry cause filling pipe
Bubble in road blocking, filling slurry, which enters in filling piping, causes filling slurry that can not flow, the excessive concentration of filling slurry
The reasons such as concentration, filling slurry isolation cause pipeline plugging accident unavoidable.Since plugging causes the opposite conveying of pipeline pressure smooth
When it is bigger than normal, be easy to cause pipe explosion accident, influence to keep the safety in production.Secondly, when handling pipeline plugging accident, if let out without pipeline
Pressure directly carries out the dredging of filling pipe, and the self-flowing pastefill pipeline of hundreds of meters of height differences of filling is within dredging moment, filling pipe
Flow velocity can rapidly increase, and be easy to cause casualties.Therefore it when pipeline jam accident occurs for underground filling, needs in filling borehole
Slurry pressure release discharge inside vertical drill pipe.
In the prior art, it is dredged after being disassembled by the filling level main pipeline in the tunnel that connects vertical drill pipe
Pipeline pressure release, the slurry of discharge are immediately discharged in tunnel pollute and clear up relatively difficult, a large amount of slurries after disassembly to tunnel
Discharge causes security risk to operator, and since current filling piping is using steel pipe or bimetallic mill pipe, pipeline is very
Weight, removes very difficult.Some realizes filling piping plugging by installing pressure relief mechanism on vertical drill pipe
The quick pressure releasing of accident is handled, but since the main reason for plugging occurs for the plugging filling piping of filling piping is due to filling material
Slurry isolates in vertical drill pipe to be caused, and the position of plugging concentrates on the connection of vertically drilling bottom of the tube and horizontal main pipeline
Place, if after pressure relief mechanism is installed on will appear pressure release on vertical drill pipe, for being deposited on vertical drilling bottom of the tube and horizontal
The filling slurry of the junction of main pipeline is still difficult to clear up, and filling piping is caused not dredge completely.And it is normally filling
Filling slurry in Shi Shuxiang drill pipe can cause to impact to pressure relief mechanism, influence the service life of pressure relief device.
Utility model content
The utility model provides a kind of pressure relief device and back-filling system for underground filling plugging, existing to solve
Some pressure relief devices also can lead to service life persistently by the impact flow of filling slurry under normally filling transport status
Short technical problem.
One aspect according to the present utility model provides a kind of pressure relief device for underground filling plugging, including is used for
The filling piping of underground filling, filling piping include being laid in vertical earth-boring for injecting the vertical drilling of filling slurry
It manages and is horizontally laid in tunnel for being connected to the filling level main pipeline filled in filling area, it is vertical to drill
Pipe is connected to between filling level main pipeline by elbow, and pressure relief device further includes being connected to fill above filling level main pipeline
It fills out on horizontal main pipeline for carrying out the pressure relief mechanism of pressure release in pipe when filling piping plugging.
Further, pressure relief mechanism includes the pressure release being connected on filling level main pipeline above filling level main pipeline
Drainage tube, on pressure release drainage tube for control pressure release drainage tube on-off pressure relief valve and in pressure release drainage tube export
Hold the accident pool of the filling slurry for accepting pressure release output.
Further, the cavity volume of accident pool is greater than pressure relief mechanism installation position to filling between filling piping feed inlet
Fill out the pipe internal volume of pipeline.
Further, the specification and stress levels of pressure relief valve are greater than or equal to the specification and pressure resistance of filling level main pipeline
Grade.
Further, the caliber of pressure release drainage tube and stress levels are greater than or equal to the caliber of filling level main pipeline and resistance to
Press grade.
Further, the bottom of accident pool is equipped with for buffering the filling slurry impact force of pressure release and pressure release being prevented to be discharged
The buffer layer that filling slurry splashes；Buffer layer is using the water injected in accident pool, the buffering grid for being layed in accident bottom of pond portion, paving
Set at least one of the fibrous layer of accident bottom of pond portion or the buckplate layer for being layed in accident bottom of pond portion.
Further, feed inlet 2m~10m of the installation position of pressure relief mechanism apart from filling level main pipeline.
Further, vertical drill pipe upper end, which is equipped with, feeds for filling slurry and is filtered filling slurry to cut down
The block material entered in vertical drill pipe reduces the feeding device of plugging risk；Feeding device includes being installed on filling piping
The feed hopper of feed end and the filter screen being fixed in feed hopper；The top of filter screen is equipped with for collecting block material and inciting somebody to action
The block material of collection cleans out the filter basket of feed hopper in time.
Further, be communicated on vertical drill pipe in filling piping feed when filling piping in gas discharge with
Reduce the exhaust apparatus of plugging risk；Exhaust apparatus uses the exhaust pipe being connected to vertical drill pipe, and exhaust pipe includes and filling
Pipeline connection and the linkage section upwardly extended and above feeding device and outlet that gas outlet is laid towards feeding device
Section filling piping is connected to by linkage section with air outlet section.
Another aspect according to the present utility model additionally provides a kind of back-filling system, including above-mentioned fills for underground
Cram the pressure relief device of pipe.
The utility model has the following beneficial effects:
Pressure relief mechanism is set on filling level main pipeline by the pressure relief device for underground filling plugging of the utility model
Side, when normally being filled, filling slurry conveys automatically in filling piping and along filling level main pipeline water filling piping
It is flat to be delivered to region to be filled, it is small to the top wall body impact of filling level main pipeline, correspondingly to being laid in filling level master
The impact force action of pressure relief device on pipeline is small, filling slurry can either be avoided to accumulate in pressure relief mechanism position, and from capable of keeping away
Pressure relief mechanism caused by the filling slurry of vertical drill pipe mesohigh causes impact to influence pressure relief mechanism when exempting from normally to fill
The short problem of service life；When filling piping blocking, by opening pressure relief mechanism, vertical drill pipe and pressure relief mechanism are utilized
Difference in height, make the filling slurry being trapped in vertical drill pipe carries out self-flowing pastefill by pressure relief mechanism under Gravitative Loads
Emptying, carries out the pressure release of filling piping in time, so that various problems caused by avoiding filling piping from blocking, are filled again after pressure release
The cleaning in horizontal main pipeline is filled out, can solve the problems, such as filling piping plugging easily, entire pressure release scale removal process is simple and pacifies
Entirely.When cleaning to filling piping, the filling slurry of pressure relief mechanism and filling level main pipeline junction is due to itself weight
Power effect and cleaning solution flushing action and cleared up in time, avoid filling slurry in the company of pressure relief device and horizontal main pipeline
Connect place accumulation agglomeration and caused by pressure relief device block.Pressure relief device is improved using the characteristics of original filling piping, knot
Structure is simple, and pressure release is timely and speed is fast, and operational risk is small.
By opening pressure relief mechanism filling for plugging will occur for the pressure releasing method for underground filling plugging of the utility model
The filling slurry discharge in pipeline is filled out, then filling level main pipeline is cleared up, realizes the complete dredging of entire filling piping.
Entire pressure release treatment process is easy to operate.
The back-filling system of the utility model, the filling slurry for making to be trapped in vertical drill pipe by pressure relief device
Self-flowing pastefill emptying is carried out by pressure relief mechanism under Gravitative Loads, is dredged after carrying out the pressure release of filling piping in time, is made entire
Back-filling system operates normally again.
Other than objects, features and advantages described above, there are also other purposes, feature and excellent for the utility model
Point.Below with reference to figure, the utility model is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is the structural schematic diagram of the back-filling system of the preferred embodiment in the utility model.
Marginal data:
1, vertical drill pipe；2, filling level main pipeline；3, pressure relief mechanism；4, feeding device；5, exhaust apparatus；31, it lets out
Pressure valve；32, pressure release drainage tube；33, accident pool；34, buffer layer；41, feed hopper；42, filter screen.
Specific embodiment
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be by following
The multitude of different ways for limiting and covering is implemented.
Fig. 1 is the structural schematic diagram of the back-filling system of the preferred embodiment in the utility model.
As shown in Figure 1, the pressure relief device for underground filling plugging of the present embodiment, including the filling for underground filling
Pipeline, filling piping include being laid in vertical earth-boring for injecting the vertical drill pipe 1 of filling slurry and along level
It is used to be connected to the filling level main pipeline 2 filled in filling area in tunnel to being laid in.Vertical drill pipe 1 and filling water
It is connected between flat main pipeline 2 by elbow.Pressure relief device further includes that filling level master is connected to above filling level main pipeline 2
It is used to carry out the pressure relief mechanism 3 of pressure release in pipe on pipeline 2 when filling piping plugging.The utility model is used for underground filling plugging
Pressure relief device, pressure relief mechanism 3 is set to the top of filling level main pipeline 2, filling piping is when normally being filled, filling material
Slurry conveys in filling piping automatically and along 2 horizontal feed of filling level main pipeline to region to be filled, is responsible for filling level
The top wall body impact in road 2 is small, correspondingly small to the impact force action for the pressure relief device being laid on filling level main pipeline 2,
Filling slurry can either be avoided to accumulate in 3 position of pressure relief mechanism, and can be avoided vertical 1 mesohigh of drill pipe when normal filling
The short problem of the service life of pressure relief mechanism 3 caused by filling slurry causes impact to influence pressure relief mechanism 3.Work as filling piping
When blocking, by opening pressure relief mechanism 3, using the difference in height of vertical drill pipe 1 and pressure relief mechanism 3, make to be trapped in vertical drilling
The pressure relief mechanism 3 that passes through under Gravitative Loads of filling slurry in pipe 1 carries out self-flowing pastefill emptying, carries out filling piping in time
Pressure release, thus various problems caused by avoiding filling piping from blocking.The cleaning in filling level main pipeline 2 is carried out after pressure release again,
Filling piping plugging can be solved the problems, such as easily, and entire pressure release scale removal process is simple and safe.It is carried out clearly to filling piping
When washing, the filling slurry of pressure relief mechanism 3 and 2 junction of filling level main pipeline is rushed due to self gravitation effect and cleaning solution
The effect of washing and cleared up in time, avoid filling slurry the accumulation agglomeration of the junction of pressure relief device and horizontal main pipeline and caused by
Pressure relief device blocking.Pressure relief device is improved using the characteristics of original filling piping, and structure is simple, pressure release in time and speed
Fastly, operational risk is small.It is applicable not only to the pressure release cleaning of the filling piping vertically led directly to, while can also be wriggled suitable for other
The pressure release cleaning of complicated filling piping.
Pressure relief mechanism 3 includes the pressure release drainage tube that filling level main pipeline 2 is connected to above filling level main pipeline 2
32, for controlling the pressure relief valve 31 of 32 on-off of pressure release drainage tube and in pressure release drainage tube 32 on pressure release drainage tube 32
For accepting the accident pool 33 of the filling slurry of pressure release output on output end.Pressure release drainage tube 32 includes vertically being connected to filling water
Vertical segment on flat main pipeline 2 is horizontally connected to and exports in the horizontal pipe section of vertical segment upper end and connection in horizontal pipe section
Hold the bending section that simultaneously bending is laid towards 33 inner cavity of accident pool；Between vertical tube end and horizontal pipe section and/or horizontal pipe section and bending
Transition is connected using bend loss between section.When filling piping plugging, slurry level is gradually risen in vertical drill pipe 1, filling
Pressure in pipeline is gradually increased, and reduction slurry is discharged in slurry by opening pressure relief valve 31 when being more than maximum allowble pressure
Liquid level achievees the purpose that pressure release.
In another embodiment, the output end of pressure release drainage tube 32 is connected to filling area；2 downstream of filling level main pipeline is leaned on
The position of nearly pressure release drainage tube 32 is equipped with normally open valve.Relief valve on pressure release drainage tube 32 is then opened when filling piping plugging simultaneously
Normally open valve is closed, using difference in height self-flowing pastefill or filling slurry is delivered to by filling area by power device fills, together
When the tract of filling level main pipeline 2 is cleared up.Pressure relief mechanism 3 fills branch as a kind of auxiliary, that is, will not influence
The problem of filling construction speed, and can effectively solve the problem that filling piping plugging.
The cavity volume of accident pool 33 is greater than 3 installation position of pressure relief mechanism to the filling piping between filling piping feed inlet
Pipe internal volume.When the slurry being detained after the filling piping plugging in pipeline is more, the slurry being discharged after pressure release flows into accident pool
In 33, there is accident pool 33 enough volumes to collect the slurry that pressure release is discharged.Optionally, accident pool 33 is equipped with output pipe, defeated
Pipeline is connected to fill area out.Optionally, output pipe is equipped with for the ratio of mud and accident pool according to filling slurry
Water content in 33 fills into tailings and cementitious material prepares mixed slurry and fills into device with the slurry filled.
The specification and stress levels of pressure relief valve 31 are greater than or equal to the specification and stress levels of filling level main pipeline 2.
Material, capacity, performance, anti-impact force, anti-pressure ability of pressure relief valve 31 etc. are identical as filling level main pipeline 2 or are better than
Filling level main pipeline 2, to ensure the service life of pressure relief valve 31, it is ensured that the normal use of pressure relief valve 31.By using
Specification and stress levels are greater than or equal to the specification of horizontal main pipeline and the pressure relief valve 31 of stress levels, when filling system is normal
When filling, the pressure resistance that the pressure of filling piping is greater than or equal to horizontal main pipeline is equal to and is less than the pressure resistance etc. of pressure relief valve 31
Grade, pressure relief valve 31 will not damage, and filling slurry flows into filling level main pipeline 2 and is delivered to filling area, to avoid normal
Filling slurry flows into pressure release drainage tube 32 when filling.
The caliber and stress levels of pressure release drainage tube 32 are greater than or equal to caliber and pressure resistance of filling level main pipeline 2 etc.
Grade.Material, capacity, performance, anti-impact force, anti-pressure ability of pressure release drainage tube 32 etc. it is identical as filling level main pipeline 2 or
Person is better than filling level main pipeline 2, to ensure the service life of pressure release drainage tube 32, it is ensured that the structure safety of pressure release drainage tube 32
And guarantee normal use.When due to pressure release, the filling slurry of pressure release output can cause very big rush to pressure release drainage tube 32
It hits, is drained by using the pressure release that caliber and stress levels are greater than or equal to the caliber and stress levels of filling level main pipeline 2
Pipe 32, to avoid that booster is occurring during the pressure relief process in pressure release drainage tube 32.
The bottom of accident pool 33 is equipped with the filling material for buffering the filling slurry impact force of pressure release and pressure release being prevented to be discharged
Starch splash buffer layer 34, buffer layer 34 using injection accident pool 33 in water, be layed in 33 bottom of accident pool buffering grid,
It is layed in the fibrous layer of 33 bottom of accident pool or is layed at least one of the buckplate layer of 33 bottom of accident pool.The present embodiment
In, buffer layer 34 is to reserve in the water with certain liquid level in accident pool 33.By the way that buffering is arranged in accident pool 33
Layer 34, when carrying out pressure release processing after filling piping plugging, the slurry of crunch can make accident pool 33 when reducing pressure release
At impact failure, while the safety also avoided caused by rebound after slurry impact accident pool 33 splashes to staff is hidden
Suffer from.Using buffering grid or buckplate layer, the filling slurry of pressure release is formed different when contacting with buffering grid or buckplate layer
The reaction force of angle forms the effect that active force cancels each other out, can cut down pressure release impact force, flies to avoid filling slurry
It splashes.
Feed inlet 2m~10m of the installation position of pressure relief mechanism 3 apart from filling level main pipeline 2.The installation of pressure relief mechanism 3
Position can be depending on the height of vertical drill pipe 1, the installation of the more high then corresponding pressure relief mechanism 3 of the height of vertical drill pipe 1
The position of the feed inlet of the horizontal main pipeline of positional distance is remoter.Ensure pressure relief mechanism 3 and vertical drill pipe when 3 pressure release of pressure relief mechanism
1 difference in height can make flowing automatically under Gravitative Loads by pressure relief mechanism 3 for the filling slurry being trapped in vertical drill pipe 1
Conveying emptying, and reduce impact of the filling slurry of vertical 1 mesohigh of drill pipe to pressure relief mechanism 3.If pressure relief valve 31 is installed
In the lower semisection of vertical drill pipe 1, pressure is very big when filling slurry flows into the lower semisection of vertical drill pipe 1 when due to normally filling
Impact wear is caused to pressure relief valve 31.If pressure relief valve 31 is installed on the connection of vertical drill pipe 1 bottom and horizontal main pipeline
Place, due to filling slurry in the junction of vertical drill pipe 1 and filling level main pipeline 2 because velocity variations form negative pressure to pressure release
Valve 31 causes cavitation erosion and erosion.By being installed on pressure relief valve 31 at horizontal main pipeline feed inlet 2m~10m, fill
Slurry greatly reduces abrasion caused by pressure relief valve 31, improves the service life of pressure relief valve 31.
Vertical 1 upper end of drill pipe be equipped with fed for filling slurry and filling slurry be filtered with cut down enter it is perpendicular
Block material into drill pipe 1 reduces the feeding device 4 of plugging risk；Feeding device 4 includes being installed on filling piping charging
The feed hopper 41 at end and the filter screen 42 being fixed in feed hopper 41；The top of filter screen 42 is equipped with for collecting block material
And the filter basket of feed hopper 41 is cleaned out in time.In the present embodiment, filter screen 42 is edge and the welding of 41 inner wall of feed hopper
Grid mesh sheet.The biggish block material of volume in filling slurry is filtered by filter screen 42, avoids the biggish block of volume
Material, which enters in filling piping, causes line clogging；By the way that filter basket is arranged on filter screen 42, when the block material of filtering is more
Filter basket is lifted to the block material poured out in basket when accumulation causes charging rate slow in filter basket.Optionally,
Filter screen 42 is in tilted layout, and the position that has a down dip of filter screen 42 offers block material discharge outlet, can use block material oneself
It focuses on filter screen 42 and tumbles discharge, while mesh caused by avoiding block material from accumulating on 42 wire side of filter screen blocks.It can
Selection of land, block material discharge outlet are equipped with the valve for being opened and closed block material discharge outlet.
Gas when for feeding in filling piping in filling piping is communicated on vertical drill pipe 1 to discharge to reduce plugging
The exhaust apparatus 5 of risk；For exhaust apparatus 5 using the exhaust pipe being connected to vertical drill pipe 1, exhaust pipe includes connecting with filling piping
Lead to and the linkage section that upwardly extends and above feeding device 4 and air outlet section that gas outlet is laid towards feeding device 4.It fills
When filling out, filling slurry can bring into air enter in filling piping be gathered into bubble cause slurry be stranded in above bubble can not under
It falls, the gas in filling piping is discharged in time by the way that exhaust apparatus 5 is arranged on the gas ducting close to feed inlet.Pass through row
Tracheae tilts upwards, rises discharge convenient for gas, at the same after filling slurry can also be made to be difficult to enter in exhaust pipe or enter under
It slides in filling piping.By the way that gas outlet is set to 4 top of feeding device and towards feeding device 4, if due to filling slurry pressure
Power it is bigger and impact into exhaust pipe after fallen in feeding device 4 again.
The back-filling system of the present embodiment, including the above-mentioned pressure relief device for underground filling plugging.Work as filling piping
When generation plugging causes back-filling system to be unable to operate normally, make to be trapped in filling in vertical drill pipe 1 by pressure relief device
Extender paste carries out self-flowing pastefill emptying by pressure relief mechanism 3 under Gravitative Loads, dredges after carrying out the pressure release of filling piping in time
It is logical, make entire back-filling system Quick-return and operates normally again.
It can be seen from the above description that the above embodiments of the present invention realizes following technical effect:
Pressure relief mechanism is set on filling level main pipeline by the pressure relief device for underground filling plugging of the utility model
Side, filling piping avoid filling slurry from avoiding normally filling while pressure relief mechanism position is accumulated when normally being filled
The service life of pressure relief mechanism caused by the filling slurry of Shi Shuxiang drill pipe mesohigh causes impact to influence pressure relief mechanism
Short problem；When filling piping blocking, by opening pressure relief mechanism, using the difference in height of vertical drill pipe and pressure relief mechanism,
Make the filling slurry being trapped in vertical drill pipe carries out self-flowing pastefill emptying by pressure relief mechanism under Gravitative Loads, in time
The pressure release of filling piping is carried out, so that various problems caused by avoiding filling piping from blocking, carry out filling level master again after pressure release
Cleaning in pipeline, can solve the problems, such as filling piping plugging easily, and entire situation process is simple and safe.To filling pipe
When road is cleaned, the filling slurry of pressure relief mechanism and filling level main pipeline junction is due to self gravitation effect and cleaning
The flushing action of liquid and cleared up in time, avoid filling slurry in the accumulation agglomeration of the junction of pressure relief device and horizontal main pipeline and
Caused by pressure relief device block.Pressure relief device is improved using the characteristics of original filling piping, and structure is simple, and pressure release is timely
And speed is fast, operational risk is small.
The back-filling system of the utility model, the filling slurry for making to be trapped in vertical drill pipe by pressure relief device
Self-flowing pastefill emptying is carried out by pressure relief mechanism under Gravitative Loads, is dredged after carrying out the pressure release of filling piping in time, is made entire
Back-filling system operates normally again.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of pressure relief device for underground filling plugging, including the filling piping for underground filling,
The filling piping includes being laid in vertical earth-boring for injecting vertical drill pipe (1) and the edge of filling slurry
Horizontal direction is laid in tunnel for being connected to the filling level main pipeline (2) filled in filling area, the vertical drilling
It is connected between pipe (1) and the filling level main pipeline (2) by elbow,
It is characterized in that,
Pressure relief device further includes being connected on the filling level main pipeline (2) to use above the filling level main pipeline (2)
The pressure relief mechanism (3) of pressure release in pipe is carried out when the filling piping plugging.
2. the pressure relief device according to claim 1 for underground filling plugging, which is characterized in that
The pressure relief mechanism (3) includes being connected to the filling level main pipeline (2) above the filling level main pipeline (2)
Pressure release drainage tube (32), on the pressure release drainage tube (32) for controlling the pressure release of pressure release drainage tube (32) on-off
Valve (31) and the accident pool for being used to accept the filling slurry that pressure release exports in pressure release drainage tube (32) output end
(33)。
3. the pressure relief device according to claim 2 for underground filling plugging, which is characterized in that
The cavity volume of the accident pool (33) be greater than the pressure relief mechanism (3) installation position to the filling piping feed inlet it
Between filling piping pipe internal volume.
4. the pressure relief device according to claim 2 for underground filling plugging, which is characterized in that
The specification and stress levels of the pressure relief valve (31) are greater than or equal to the specification of the filling level main pipeline (2) and resistance to
Press grade.
5. the pressure relief device according to claim 2 for underground filling plugging, which is characterized in that
The caliber and stress levels of the pressure release drainage tube (32) be greater than or equal to the filling level main pipeline (2) caliber and
Stress levels.
6. the pressure relief device according to claim 2 for underground filling plugging, which is characterized in that
The bottom of the accident pool (33) is equipped with the filling for buffering the filling slurry impact force of pressure release and pressure release being prevented to be discharged
The buffer layer (34) that slurry splashes；
The buffering that the buffer layer (34) uses the water injected in the accident pool (33), is layed in the accident pool (33) bottom
Grid, the fibrous layer for being layed in the accident pool (33) bottom are layed in the buckplate layer of the accident pool (33) bottom
It is at least one.
7. the pressure relief device according to any one of claims 1 to 6 for underground filling plugging, which is characterized in that
Feed inlet 2m~10m of the installation position of the pressure relief mechanism (3) apart from the filling level main pipeline (2).
8. the pressure relief device according to any one of claims 1 to 6 for underground filling plugging, which is characterized in that
Vertical drill pipe (1) upper end, which is equipped with, to be fed for filling slurry and is filtered filling slurry to cut down and enter
Block material in the vertical drill pipe (1) reduces the feeding device (4) of plugging risk；
The feeding device (4) includes being installed on the feed hopper (41) of filling piping feed end and being fixed in the feed hopper
(41) filter screen (42) in；
The top of the filter screen (42) is equipped with for collecting block material and the block material of collection being cleaned out charging in time
The filter basket of bucket (41).
9. the pressure relief device according to claim 8 for underground filling plugging, which is characterized in that
The gas discharge being communicated with when for feeding in filling piping in filling piping on the vertical drill pipe (1) is stifled to reduce
The exhaust apparatus (5) of manage-style danger；
For the exhaust apparatus (5) using the exhaust pipe being connected to the vertical drill pipe (1), the exhaust pipe includes filling with described
Fill out pipeline connection and the linkage section that upwardly extends and above the feeding device (4) and gas outlet is filled towards the charging
The air outlet section of (4) laying is set, filling piping is connected to by linkage section with air outlet section.
10. a kind of back-filling system, which is characterized in that including being used for underground filling described in any one of claims 1 to 9
The pressure relief device of plugging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820602993.3U CN208594964U (en) | 2018-04-25 | 2018-04-25 | Pressure relief device and back-filling system for underground filling plugging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820602993.3U CN208594964U (en) | 2018-04-25 | 2018-04-25 | Pressure relief device and back-filling system for underground filling plugging |
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| Publication Number | Publication Date |
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| CN208594964U true CN208594964U (en) | 2019-03-12 |
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| CN201820602993.3U Active CN208594964U (en) | 2018-04-25 | 2018-04-25 | Pressure relief device and back-filling system for underground filling plugging |
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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 |
-
2018
- 2018-04-25 CN CN201820602993.3U patent/CN208594964U/en active Active
Cited By (2)
| 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 |
| CN108643963B (en) * | 2018-04-25 | 2024-04-30 | 长沙矿山研究院有限责任公司 | Pressure relief device and method for underground filling and plugging pipe and underground filling system |
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