CN106640166A - Liquid discharging recovery device and hydraulic system for hydraulic support - Google Patents
Liquid discharging recovery device and hydraulic system for hydraulic support Download PDFInfo
- Publication number
- CN106640166A CN106640166A CN201611183200.0A CN201611183200A CN106640166A CN 106640166 A CN106640166 A CN 106640166A CN 201611183200 A CN201611183200 A CN 201611183200A CN 106640166 A CN106640166 A CN 106640166A
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- Prior art keywords
- drainage
- recovery tube
- hydraulic
- hydraulic pressure
- pressure unit
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
Abstract
The invention discloses a liquid discharging recovery device and hydraulic system for a hydraulic support. The liquid discharging recovery device for the hydraulic support comprises a collecting container, a first recovery assembly used for recovering discharged liquid of a vertical pillar hydraulic unit and conveying the discharged liquid to the collecting container, a second recovery assembly used for recovering discharged liquid of a side wall protection hydraulic unit and conveying the discharged liquid to the collecting container and a third recovery assembly used for recovering discharged liquid of a side protection plate hydraulic unit and conveying the discharged liquid to the collecting container. According to the liquid discharging recovery device and hydraulic system for the hydraulic support, high-water based emulsified liquid discharged in the working process of the fully mechanized coal face hydraulic system can be recovered, recycling is facilitated, producing cost is lowered, and meanwhile, environment pollution is avoided.
Description
Technical field
The present invention relates to fully-mechanized mining working hydraulic system, reclaims more particularly, to a kind of drainage for hydraulic support
Device and hydraulic system.
Background technology
Hydraulic support is the capital equipment of coal mine machinery automated mining, and for working face safety work space, fully mechanized mining are provided
Working face hydraulic system, as the critical piece of hydraulic support, is that hydraulic support normal work and working face normally produce offer and move
Power.Fully-mechanized mining working hydraulic system using high-water-based emulsion as driving medium, high-water-based emulsion by 5% emulsion and
95% pure water is formulated, high-water-based emulsion can auxiliary hydraulic system and hydraulic support normally run.
To control pressure of the driving medium in equipment, fully-mechanized mining working hydraulic system semi open model system, example being belonged to more
Such as the hydraulic system of column, the hydraulic system of wall supporting, the hydraulic system of side guard plate.When the pressure of hydraulic system exceedes setting pressure
Power, driving medium is discharged into external environment condition；Therefore, in safety valve opening process, driving medium will be from as drainage
It is discharged into hydraulic system in environment, driving medium will be changed into pollution sources, environmental pollution and the wasting of resources will be caused.According to statistics,
The average coal per ton in northern mining area destroys groundwater resources about 10m3, its primary pollution source be high-water-based emulsion, million tons of collieries
It is annual that close million yuan of cost is lost with regard to high-water-based emulsion.
In addition, hydraulic system is further equipped with back purge system, to prevent the plugged filter of hydraulic system, need using anti-
Unit is rinsed to the regular backwash of filter.In backwash process, the impurity for backwashing medium and filter is likely to enter
To in hydraulic system, the seal failure of hydraulic system is caused, affect normally using for hydraulic system；And, impurity, driving medium
Also environmental pollution can be caused as backwash media discharge is in environment.
Accordingly, it would be desirable to it is a kind of for the drainage retracting device and hydraulic system of hydraulic support solving the above problems.
The content of the invention
In view of this, it is an object of the invention to propose a kind of drainage retracting device and hydraulic pressure system for hydraulic support
System, can reclaim the high-water-based emulsion discharged during fully-mechanized mining working hydraulic work system, drop to recycle
Low production cost, while avoiding polluting environment.
Based on above-mentioned purpose, the present invention provides a kind of drainage retracting device for hydraulic support, including：
Collection vessel；
First reclaims component, and the first recovery component is used to reclaim the drainage of column hydraulic pressure unit, and is transported to described
In collection vessel；
Second reclaims component, and the second recovery component is used to reclaim the drainage of wall supporting hydraulic pressure unit, and is transported to described
In collection vessel；
3rd reclaims component, and the 3rd recovery component is used to reclaim the drainage of side guard plate hydraulic pressure unit, and is transported to institute
State in collection vessel.
Preferably, described first component is reclaimed including the first safety valve and the first recovery tube, first safety valve is used for
The drainage of the column hydraulic pressure unit discharge is collected, first recovery tube is used for the institute for collecting on first safety valve
State drainage to be transported in the collection vessel.
Preferably, described second component is reclaimed including the second safety valve and the second recovery tube, second safety valve is used for
The drainage of the wall supporting hydraulic pressure unit discharge is collected, second recovery tube is used for the institute for collecting on second safety valve
State drainage to be transported in the collection vessel.
Preferably, the described 3rd component is reclaimed including the 3rd safety valve and the 3rd recovery tube, the 3rd safety valve is used for
The drainage of the side guard plate hydraulic pressure unit discharge is collected, the 3rd recovery tube is used for collect on the 3rd safety valve
The drainage is transported in the collection vessel.
Preferably, the retracting device also includes：Total recovery tube, total recovery tube is used to collect first recovery
The drainage that pipe, second recovery tube and the 3rd recovery tube are collected, and be transported in the collection vessel.
Preferably, be respectively arranged with first recovery tube, the second recovery tube and the 3rd recovery tube the first check valve,
Two check valves and the 3rd check valve；First check valve, second check valve and the 3rd check valve are respectively used to control
The drainage inside first recovery tube, second recovery tube and the 3rd recovery tube is made to total recovery tube stream
It is dynamic.
Preferably, total check valve is provided with total recovery tube, total check valve is used to control total recovery tube
The internal drainage flows to the collection vessel.
Preferably, the retracting device also includes：Discharging tube, the import of the discharging tube connects with the sewage draining exit of filter
Logical, the outlet of the discharging tube is connected with total recovery tube, and the outlet of the discharging tube is in total check valve and institute
State on the body of the described total recovery tube between collection vessel.
The present invention provides a kind of hydraulic system, and the hydraulic system includes that the above-mentioned drainage for hydraulic support reclaims dress
Put.
Preferably, the hydraulic system also includes：Column hydraulic pressure unit, wall supporting hydraulic pressure unit, side guard plate hydraulic pressure unit and
Backwash unit, the column hydraulic pressure unit, the wall supporting hydraulic pressure unit, the side guard plate hydraulic pressure unit and the backwash list
The drainage of unit is recovered in the drainage retracting device for hydraulic support.
From the above it can be seen that provided by the present invention for the drainage retracting device and hydraulic system of hydraulic support,
Compared with prior art, the present invention has advantages below：First, each recovery component can be by fully-mechanized mining working hydraulic system work
The high-water-based emulsion discharged during work is recovered in collection vessel, so that drainage can be recycled, it is to avoid cause
Waste to reduce production cost；Drainage is avoided to penetrate into earth's surface simultaneously, it is to avoid polluted water resources and environment.Second, hydraulic pressure system
System has better seal, does not result in releasing for high-water-based emulsion, it is to avoid cause the wasting of resources and environmental pollution.Its
Three, when backwash unit is backwashed again, the seal failure of other units is not resulted in, affect normally making for hydraulic system
With.
Description of the drawings
By being described to embodiment below in conjunction with the accompanying drawings, the features described above and technological merit of the present invention will become
It is more clear and easy to understand.
Fig. 1 is the schematic diagram of the drainage retracting device for hydraulic support adopted in the specific embodiment of the invention.
Fig. 2 is the first recovery component use state schematic diagram of the drainage retracting device for hydraulic support shown in Fig. 1.
Fig. 3 is the second recovery component use state schematic diagram of the drainage retracting device for hydraulic support shown in Fig. 1.
Fig. 4 is the 3rd recovery component use state schematic diagram of the drainage retracting device for hydraulic support shown in Fig. 1.
Fig. 5 is the discharging tube use state schematic diagram of the drainage retracting device for hydraulic support shown in Fig. 1.
Fig. 6 is the schematic diagram of the hydraulic system adopted in the specific embodiment of the invention.
Wherein reference：
1：Column； 2：One-way lock； 3：Three-way pipe；
4：Pressure gauge； 5：Ball valve； 6：Reversible lock；
7：Magnetic valve； 8：Threeway alternate valve； 9：Filter；
10：First safety valve； 11：First recovery tube； 12：First check valve；
20：Second safety valve； 21：Second recovery tube； 22：Second check valve；
30：3rd safety valve； 31：3rd recovery tube； 32：3rd check valve；
40：Collection vessel； 50：Total recovery tube； 60：Total check valve；
70：Discharging tube；
100：Column hydraulic pressure unit； 200：Wall supporting hydraulic pressure unit；
300：Side guard plate hydraulic pressure unit； 400：Backwash unit； 500：Electromagnetic valve component.
Specific embodiment
To make the object, technical solutions and advantages of the present invention become more apparent, below in conjunction with specific embodiment, and reference
Accompanying drawing, the present invention is described in more detail.Wherein identical parts are presented with like reference characters.Need explanation
It is that word "front", "rear", "left", "right" used in describing below, "up" and "down" refer to the direction in accompanying drawing.
Fig. 1 is the schematic diagram of the drainage retracting device for hydraulic support adopted in the specific embodiment of the invention.Such as Fig. 1
Shown, the drainage retracting device for hydraulic support includes：Collection vessel 40, first reclaims component, the second collection assembly and the
Three collection assemblies.
Collection vessel, collection vessel is used to collect the high-water-based emulsion for accommodating each collect components, i.e. drainage.
First recovery component is used to reclaim the drainage of column hydraulic pressure unit 100, and is transported in collection vessel 40.
Second recovery component is used to reclaim the drainage of wall supporting hydraulic pressure unit 200, and is transported in collection vessel 40.
3rd recovery component is used to reclaim the drainage of side guard plate hydraulic pressure unit 300, and is transported in collection vessel 40.
First reclaims component, the second recovery component and the 3rd recovery component can be by fully-mechanized mining working hydraulic work system mistake
The high-water-based emulsion discharged in journey is recovered in collection vessel, so that drainage can be recycled, it is to avoid cause to waste,
To reduce production cost；Drainage is avoided to penetrate into earth's surface simultaneously, it is to avoid polluted water resources and environment.
Preferably, first component is reclaimed including the first safety valve 10 and the first recovery tube 11, the first safety valve 10 is used to receive
The drainage of the discharge of collection column hydraulic pressure unit 100, the first recovery tube 11 is used to for the drainage that the first safety valve 10 is collected to be transported to receipts
In collection container 40.First recovery component can be recovered to the drainage that column hydraulic pressure unit 100 is discharged in collection vessel 40, it is to avoid
Cause the wasting of resources and environmental pollution.
Collection vessel 40 can adopt independent container to make, and after being filled with, the drainage in collection vessel 40 is transported into liquid
In the highly pressurised liquid accommodating container of pressure system, in case recycling；Directly can also be received using the highly pressurised liquid of hydraulic system
Container as collection vessel 40, to come into operation；Can also using the main liquid back pipe road of hydraulic system as collection vessel 40, with
Just direct plunge into and use.
Fig. 2 is the first recovery component use state schematic diagram of the drainage retracting device for hydraulic support shown in Fig. 1.
As shown in Fig. 2 the first recovery component is arranged on column hydraulic pressure unit 100.
Column hydraulic pressure unit 100 includes column 1, one-way lock 2, pressure gauge 4, ball valve 5 and magnetic valve (mark).Column 1
Lifted by hydraulic control, one-way lock 2 includes import PA, outlet A, discharges returning for highly pressurised liquid (high-water-based emulsion) for quick
Liquid mouth R and control mouth k for providing pressure；The liquid return hole R and outlet A of one-way lock 2 can simultaneously return liquid, quick to realize
Drainage.Ball valve 5 is used for control into the flow of the highly pressurised liquid of one-way lock 2；Magnetic valve includes working hole A1 and working hole A2, uses
In control whether supply highly pressurised liquid.
When working hole A2 work, start simultaneously to two supply highly pressurised liquids of column 1, highly pressurised liquid is entered through ball valve 5
The import PA of one-way lock 2, the rodless cavity of column 1 is entered through exporting A, and column 1 starts setting prop；The rod chamber of column 1 includes two
Individual branch, the first branch is connected with control mouth k of one-way lock 2, and when liquid is carried out back by control mouth k, import PA is used as time liquid
Mouthful；Second branch is connected with working hole A1.
When working hole A1 work, start to supply highly pressurised liquid, highly pressurised liquid has bar by the second branch into column 1
Chamber, by the first branch control mouth k of one-way lock 2 is entered, and to unlock one-way lock 2, column 1 starts to drop post；Highly pressurised liquid from
Rodless cavity flows out, and rodless cavity connects the outlet A of one-way lock 2, and one-way lock 2 includes that two are returned liquid branch, and first time liquid branch passes through
Liquid return hole R returns liquid, and the import PA that second time liquid branch passes through one-way lock 2, through ball valve 5, is connected with working hole A2.
The inlet and outlet of the first safety valve 10 respectively with the rodless cavity and the inlet communication of the first recovery tube 11 of column 1,
The outlet of the first recovery tube 11 is connected with collection vessel 40 or total recovery tube 50, and on the first recovery tube 11 the first check valve is provided with
12.When the hydraulic pressure of column 1 sets pressure more than the first safety valve 10, highly pressurised liquid can enter the first safety valve 10 as drainage,
Then collection vessel 40 is entered by the first recovery tube 11 or collection vessel 40, the first check valve 12 is entered by total recovery tube 50
For avoiding drainage from flowing back.
In the present embodiment, the import of the first collecting pipe 11 can be connected with the liquid return hole R with one-way lock 2, will via return
The drainage that liquid mouth R is discharged is reclaimed.In the present embodiment, the two ends of three-way pipe 3 go out respectively with liquid return hole R and the first safety valve 10
Mouthful by pipeline communication, the 3rd end again with the inlet communication of the first recovery tube 11.
In the present embodiment, two synchronization setting props of column 1 or drop post, two synchronization recovery drainages of the first safety valves 10, two
The end of individual three-way pipe 3 the 3rd is by pipeline and the inlet communication of the first recovery tube 11.
Preferably, second component is reclaimed including the second safety valve 20 and the second recovery tube 21, the second safety valve 20 is used to receive
The drainage of the discharge of collection wall supporting hydraulic pressure unit 200, the second recovery tube 21 is used to for the drainage that the second safety valve 20 is collected to be transported to receipts
In collection container 40.Second recovery component can be recovered to the drainage that wall supporting hydraulic pressure unit 200 is discharged in collection vessel 40, it is to avoid
Cause the wasting of resources and environmental pollution.
Fig. 3 is the second recovery component use state schematic diagram of the drainage retracting device for hydraulic support shown in Fig. 1.
As shown in figure 3, the second recovery component is arranged on wall supporting hydraulic pressure unit 200.
Wall supporting hydraulic pressure unit 200 includes column 1, reversible lock 6 and magnetic valve 7.Column 1 is lifted by hydraulic control, reversible lock 6
Including import PB, outlet PA, the left cartridge outlet B of rodless cavity for connecting column 1, rod chamber for connecting column 1
Right cartridge outlet A, for the liquid return hole (B1, A1) and magnetic valve 7 of the inlet communication with the second safety valve 20, magnetic valve 7 is wrapped
Include left side working hole and right side working hole.
When the left side working position of magnetic valve 7 obtains electric, highly pressurised liquid enters into the import PB of reversible lock 6 by left side working hole P,
The rodless cavity of column 1 is entered from left side cartridge outlet B, column 1 starts setting prop.Outlet PA connects with the right side working position T of magnetic valve 7
It is logical.
When the right side working position of magnetic valve 7 obtains electric, highly pressurised liquid enters into the outlet PA of reversible lock 6 by right side working hole P,
The rod chamber of column 1 is entered from right side cartridge outlet A, column 1 starts to drop post.Import PB connects with the left side working position T of magnetic valve 7
It is logical.
The inlet and outlet of the second safety valve 20 respectively with the liquid return hole (B1 or A1) of one-way lock 2 and the second recovery tube 21
Inlet communication, the outlet of the second recovery tube 21 is connected with collection vessel 40 or total recovery tube 50, is provided with the second recovery tube 21
Second check valve 22.When the hydraulic pressure of column 1 sets pressure more than the second safety valve 20, highly pressurised liquid can enter second as drainage
Safety valve 20, then enters collection vessel 40 or enters collection vessel 40 by total recovery tube 50 by the second recovery tube 21, the
Two check valves 22 are used to avoid drainage from flowing back.
Individual in the present embodiment, the two ends of three-way pipe 3 connect respectively with liquid return hole B1 and liquid return hole A1, the 3rd end and second
The inlet communication of recovery tube 21.
Preferably, the 3rd component is reclaimed including the 3rd safety valve 30 and the 3rd recovery tube 31, the 3rd safety valve 30 is used to receive
The drainage of the discharge of collection side guard plate hydraulic pressure unit 300, the 3rd recovery tube 31 is used to be transported to the drainage that the 3rd safety valve 30 is collected
In collection vessel 40.3rd recovery component can be recovered to the drainage that side guard plate hydraulic pressure unit 300 is discharged in collection vessel 40,
Avoid causing the wasting of resources and environmental pollution.
Fig. 4 is the 3rd recovery component use state schematic diagram of the drainage retracting device for hydraulic support shown in Fig. 1.
As shown in figure 4, the 3rd recovery component is arranged on side guard plate hydraulic pressure unit 300.
Side guard plate hydraulic pressure unit 300 includes column 1, one-way lock 2, magnetic valve 7 and threeway alternate valve 8.Column 1 is by hydraulic pressure control
System lifting, one-way lock 2 includes import, outlet, liquid return hole and control mouth, and the rodless cavity of column 1 connects with the liquid return hole of one-way lock 2
Logical, threeway alternate valve 8 includes left side port, middle port and right side port, and left side port is connected with the control mouth of one-way lock 2,
The inlet communication of the inlet communication of middle port and the 3rd safety valve 30, right side port and one-way lock 2.
The left side working position of magnetic valve 7 obtains electric, and highly pressurised liquid enters threeway alternate valve 8 by the left side working hole P of magnetic valve 7
The rod chamber of left side port, the control mouth of one-way lock 2 and column 1, column 1 starts to drop post.The import of one-way lock 2 replaces with threeway
The left side port connection of valve 8, for highly pressurised liquid liquid is returned.
The right side working position of magnetic valve 7 obtains electric, and highly pressurised liquid is by the right side of magnetic valve 7 work P mouths entering into one-way lock 2
Mouthful, through one-way lock 2 liquid return hole enter column 1 rodless cavity, column 1 start setting prop.The rod chamber of column 1 passes through magnetic valve 7
Left side working position T mouths carry out highly pressurised liquid and return liquid.
The inlet communication of the liquid return hole of one-way lock 2 and the 3rd safety valve 30, the outlet of the 3rd safety valve 30 replaces with threeway
The middle port connection of valve 8, the 3rd recovery tube 31 is connected on middle port, for reclaiming drainage；
The inlet and outlet of the 3rd safety valve 30 respectively with the liquid return hole and the middle port of threeway alternate valve 8 of one-way lock 2
Connection,
The inlet and outlet of the 3rd recovery tube 31 respectively with the middle port and collection vessel 40 of threeway alternate valve 8 or total return
Closed tube 50 is connected, and on the 3rd recovery tube 31 the 3rd check valve 32 is provided with.When the hydraulic pressure of column 1 sets more than the 3rd safety valve 30
Pressure, highly pressurised liquid can enter the 3rd safety valve 30, the middle port of threeway alternate valve 8 and the 3rd recovery tube 31 as drainage,
Then collection vessel 40 is entered by the 3rd recovery tube 31 or collection vessel 40, the 3rd check valve 32 is entered by total recovery tube 50
For avoiding drainage from flowing back.
Preferably, retracting device also includes：Total recovery tube 50, total recovery tube 50 is used to collect the first recovery tube 11, second
The drainage that recovery tube 21 and the 3rd recovery tube 31 are collected, and be transported in collection vessel 40.Total recovery tube 50 has collects gentle
The effect of punching, the drainage that total recovery tube 50 can reclaim each recovery tube is admixed together, is then at the uniform velocity discharged into collection and holds
In device 40.
Preferably, it is respectively arranged with the first check valve on the first recovery tube 11, the second recovery tube 21 and the 3rd recovery tube 31
12nd, the second check valve 22 and the 3rd check valve 32；First check valve 12, the second check valve 22 and the 3rd check valve 32 are respectively used to
Control the drainage inside the first recovery tube 11, the second recovery tube 21 and the 3rd recovery tube 31 to flow to total recovery tube 50.First is single
To valve 12, the second check valve 22 and the 3rd check valve 32 drainage can be avoided from flowing back, it is to avoid backwash causes each hydraulic system
Seal failure.
Preferably, total check valve 60 is provided with total recovery tube 50, total check valve 60 is used to control in total recovery tube 50
Drainage to collection vessel 40 flows.Total check valve 60 can avoid drainage from flowing back, and for hydraulic system duplicate protection is provided, it is to avoid anti-
Flushing causes each hydraulic system seal failure.
Preferably, retracting device also includes：Discharging tube 70, the import of discharging tube 70 is connected with the sewage draining exit of filter, row
The outlet of liquid pipe 70 is connected with total recovery tube 50, and the outlet of discharging tube 70 is between total check valve 60 and collection vessel 40
On the body of total recovery tube 50.Discharging tube 70 can be recovered to backwash impurity, drainage etc. in collection vessel, it is to avoid the wasting of resources
And environmental pollution.
Fig. 5 is the discharging tube use state schematic diagram of the drainage retracting device for hydraulic support shown in Fig. 1.Such as Fig. 5
Shown, discharging tube 70 is arranged on total recovery tube 50.
Backwash unit 400 includes discharging tube 70, magnetic valve 7 and filter 9, and magnetic valve 7 is connected with filter 9, filters
The sewage draining exit T of device 9 and the inlet communication of discharging tube 70, the outlet of discharging tube 70 is connected with total recovery tube 50.
When filter 9 is normally used, highly pressurised liquid enters into filter 9 by magnetic valve 7, and other works are flow to after filtration
Make part；Sewage is discharged in time from discharging tube 70, and the negative pressure of anti-non-return liquid is excessive, and to screen pack recoil is produced.
When filter 9 is blocked, the pressure reduction increase of screen pack both sides, now, the left working hole of magnetic valve 7 is powered, high pressure
Liquid is reverse flowed to the filter core of filter 8 in left side after the filter core of filter 8 on right side, and now, the filter 8 in left side is recoiled
Wash, return liquid and discharging tube 70 is flowed to by check valve (mark).In the same manner, the right working hole of magnetic valve 7 is powered, and highly pressurised liquid is passed through
The filter core of filter 8 on right side is reverse flowed to after the filter core of the filter 8 in left side, now, the filter 8 on right side is backwashed, is returned
Liquid flows to discharging tube 70 by check valve.
The use process of the drainage retracting device for hydraulic support is described further below.
In the setting prop of column hydraulic pressure unit 100, drop post, using the first recovery component letting out for column hydraulic pressure unit 100 is reclaimed
Liquid；In the setting prop of wall supporting hydraulic pressure unit 200, drop post, using second the drainage that component reclaims wall supporting hydraulic pressure unit 200 is reclaimed；
When the setting prop of side guard plate hydraulic pressure unit 300, drop post, using the 3rd the drainage that component reclaims side guard plate hydraulic pressure unit 300 is reclaimed；Will be upper
State collection drainage to be pooled in total recovery tube 50 by the first check valve 12, the second check valve 22 and the 3rd check valve 32 respectively,
The drainage for backwashing unit 400 is recovered in total recovery tube 50 using discharging tube 70, total check valve 60 can avoid discharging tube
70 drainages discharged enter into the first recovery component, the second recovery component and the 3rd and reclaim in component；Total recovery tube 50 will all
Drainage is transported in collection vessel 40, to recycle.
The present invention provides a kind of hydraulic system, and hydraulic system includes the above-mentioned drainage retracting device for hydraulic support.
Preferably, hydraulic system also includes：Column hydraulic pressure unit 100, wall supporting hydraulic pressure unit 200, side guard plate hydraulic pressure unit
300 and backwash unit 400, column hydraulic pressure unit 100, wall supporting hydraulic pressure unit 200, side guard plate hydraulic pressure unit 300 and backwash
The drainage of unit 400 is recovered in the drainage retracting device for hydraulic support.Hydraulic system is relatively more closed, Bu Huizao
Releasing into high-water-based emulsion, it is to avoid cause the wasting of resources and environmental pollution.
Fig. 6 is the schematic diagram of the hydraulic system adopted in the specific embodiment of the invention.As shown in fig. 6, hydraulic system includes
Column hydraulic pressure unit 100, wall supporting hydraulic pressure unit 200, side guard plate hydraulic pressure unit 300, backwash unit 400, electromagnetic valve component 500
With the drainage retracting device for hydraulic support, column hydraulic pressure unit 100, wall supporting hydraulic pressure unit 200, side guard plate hydraulic pressure unit
300th, the drainage for backwashing unit 400 is recovered to the collection vessel of drainage retracting device, to recycle.
Understand with practice from the description above, provided by the present invention for the drainage retracting device and hydraulic pressure system of hydraulic support
System, compared with prior art, the present invention has advantages below：First, each recovery component can be by fully-mechanized mining working hydraulic pressure system
The high-water-based emulsion discharged in the system course of work is recovered in collection vessel, so that drainage can be recycled, it is to avoid
Cause to waste to reduce production cost；Drainage is avoided to penetrate into earth's surface simultaneously, it is to avoid polluted water resources and environment.Second, liquid
Pressure system has better seal, does not result in releasing for high-water-based emulsion, it is to avoid cause the wasting of resources and environmental pollution.
Third, when backwash unit is backwashed again, not resulting in the seal failure of other units, normally making for hydraulic system is affected
With.
Those of ordinary skill in the art should be understood：The specific embodiment of the present invention is the foregoing is only, and
The restriction present invention is not used in, all within the purport of the present invention, any modification, equivalent substitution and improvements done etc. all should be included
Within protection scope of the present invention.
Claims (10)
1. a kind of drainage retracting device for hydraulic support, it is characterised in that include：
Collection vessel；
First reclaims component, and the first recovery component is used to reclaim the drainage of column hydraulic pressure unit, and is transported to the collection
In container；
Second reclaims component, and the second recovery component is used to reclaim the drainage of wall supporting hydraulic pressure unit, and is transported to the collection
In container；
3rd reclaims component, and the 3rd recovery component is used to reclaim the drainage of side guard plate hydraulic pressure unit, and is transported to the receipts
In collection container.
2. the drainage retracting device for hydraulic support according to claim 1, it is characterised in that
Described first reclaims component includes the first safety valve and the first recovery tube, and first safety valve is used to collect the column
The drainage of hydraulic pressure unit discharge, first recovery tube is used to be transported to the drainage that first safety valve is collected
In the collection vessel.
3. the drainage retracting device for hydraulic support according to claim 1, it is characterised in that
Described second reclaims component includes the second safety valve and the second recovery tube, and second safety valve is used to collect the wall supporting
The drainage of hydraulic pressure unit discharge, second recovery tube is used to be transported to the drainage that second safety valve is collected
In the collection vessel.
4. the drainage retracting device for hydraulic support according to claim 1, it is characterised in that
Described 3rd reclaims component includes the 3rd safety valve and the 3rd recovery tube, and the 3rd safety valve is used to collect the side shield
The drainage of plate hydraulic pressure unit discharge, the 3rd recovery tube is used for the drainage conveying for collecting on the 3rd safety valve
To in the collection vessel.
5. the drainage retracting device for hydraulic support according to any one of Claims 1-4, it is characterised in that
The retracting device also includes：Total recovery tube, total recovery tube be used to collecting first recovery tube, described second time
The drainage that closed tube and the 3rd recovery tube are collected, and be transported in the collection vessel.
6. the drainage retracting device for hydraulic support according to claim 5, it is characterised in that
Be respectively arranged with first recovery tube, the second recovery tube and the 3rd recovery tube the first check valve, the second check valve and
3rd check valve；First check valve, second check valve and the 3rd check valve are respectively used to control described first
The drainage inside recovery tube, second recovery tube and the 3rd recovery tube to total recovery tube flows.
7. the drainage retracting device for hydraulic support according to claim 5, it is characterised in that
It is provided with total check valve on total recovery tube, what total check valve was used to controlling inside total recovery tube described lets out
Liquid to the collection vessel flows.
8. the drainage retracting device for hydraulic support according to claim 7, it is characterised in that
The retracting device also includes：Discharging tube, the import of the discharging tube is connected with the sewage draining exit of filter, the discharging tube
Outlet connect with total recovery tube, the outlet of the discharging tube is between total check valve and the collection vessel
Described total recovery tube body on.
9. a kind of hydraulic system, it is characterised in that the hydraulic system includes being used for as described in any one of claim 1 to 8
The drainage retracting device of hydraulic support.
10. hydraulic system according to claim 9, it is characterised in that
The hydraulic system also includes：Column hydraulic pressure unit, wall supporting hydraulic pressure unit, side guard plate hydraulic pressure unit and backwash unit,
The drainage of the column hydraulic pressure unit, the wall supporting hydraulic pressure unit, the side guard plate hydraulic pressure unit and the backwash unit is equal
It is recovered in the drainage retracting device for hydraulic support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611183200.0A CN106640166B (en) | 2016-12-20 | 2016-12-20 | Drainage recyclable device and hydraulic system for hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611183200.0A CN106640166B (en) | 2016-12-20 | 2016-12-20 | Drainage recyclable device and hydraulic system for hydraulic support |
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| Publication Number | Publication Date |
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| CN106640166A true CN106640166A (en) | 2017-05-10 |
| CN106640166B CN106640166B (en) | 2019-09-10 |
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| CN201611183200.0A Active CN106640166B (en) | 2016-12-20 | 2016-12-20 | Drainage recyclable device and hydraulic system for hydraulic support |
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Citations (9)
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Address after: 100011 Shenhua building, 22 West Binhe Road, Dongcheng District, Beijing Patentee after: China Shenhua Energy Co.,Ltd. Patentee after: Shenhua Shendong Coal Group Corp.,Ltd. Patentee after: Beijing Tianma Zhikong Technology Co.,Ltd. Address before: 100011 Shenhua building, 22 West Binhe Road, Dongcheng District, Beijing Patentee before: China Shenhua Energy Co.,Ltd. Patentee before: Shenhua Shendong Coal Group Corp.,Ltd. Patentee before: BEIJING TIANDI-MARCO ELECTRO-HYDRAULIC CONTROL SYSTEM Co.,Ltd. |