CN106640166B - Drainage recyclable device and hydraulic system for hydraulic support - Google Patents
Drainage recyclable device and hydraulic system for hydraulic support Download PDFInfo
- Publication number
- CN106640166B CN106640166B CN201611183200.0A CN201611183200A CN106640166B CN 106640166 B CN106640166 B CN 106640166B CN 201611183200 A CN201611183200 A CN 201611183200A CN 106640166 B CN106640166 B CN 106640166B
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- Prior art keywords
- drainage
- recovery tube
- pressure unit
- hydraulic pressure
- hydraulic
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- 238000004064 recycling Methods 0.000 claims abstract description 56
- 238000011084 recovery Methods 0.000 claims description 100
- 239000007788 liquid Substances 0.000 claims description 58
- 230000008676 import Effects 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 11
- 230000002441 reversible effect Effects 0.000 claims description 10
- 238000011001 backwashing Methods 0.000 claims description 5
- 239000010865 sewage Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 19
- 239000000839 emulsion Substances 0.000 abstract description 16
- 238000005065 mining Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 12
- 238000003912 environmental pollution Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010992 reflux Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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 kind of drainage recyclable devices and hydraulic system for hydraulic support, comprising: collection vessel；First recycling component, the first recycling component is used to recycle the drainage of column hydraulic pressure unit, and is transported in the collection vessel；Second recycling component, the second recycling component is used to recycle the drainage of wall supporting hydraulic pressure unit, and is transported in the collection vessel；Third recycles component, and the third recycling component is used to recycle the drainage of side guard plate hydraulic pressure unit, and is transported in the collection vessel.The present invention provides a kind of drainage recyclable device and hydraulic system for hydraulic support, can recycle the high-water-based emulsion being discharged in the fully-mechanized mining working hydraulic system course of work, to recycle, to reduce production cost, while avoid pollution environment.
Description
Technical field
The present invention relates to fully-mechanized mining working hydraulic systems, recycle more particularly, to a kind of drainage for hydraulic support
Device and hydraulic system.
Background technique
Hydraulic support is the capital equipment of coal mine machinery automated mining, provides safety work space, fully mechanized mining for working face
Main component of the working face hydraulic system as hydraulic support, for hydraulic support work normally and working face normally produce provide it is dynamic
Power.Fully-mechanized mining working hydraulic system using high-water-based emulsion be used as driving medium, high-water-based emulsion by 5% emulsion with
95% pure water is formulated, and high-water-based emulsion being capable of auxiliary hydraulic system and hydraulic support normal operation.
For pressure of the control driving medium in equipment, fully-mechanized mining working hydraulic system belongs to semi open model system, example 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 is more than setting pressure
Power, driving medium are discharged into external environment；Therefore, in safety valve opening process, driving medium will be from as drainage
It is discharged into environment in hydraulic system, driving medium will become pollution sources, will cause environmental pollution and the wasting of resources.According to statistics,
The average coal per ton in northern mining area destroys groundwater resources about 10m3, primary pollution source is high-water-based emulsion, million tons of coal mines
Every year with regard to high-water-based emulsion loss cost close to million yuan.
In addition, hydraulic system is further equipped with back purge system, for the plugged filter for preventing hydraulic system, need using anti-
Rinsing unit periodically backwashes filter.During the backwash process, backwashing medium and the impurity of filter may also enter
Into hydraulic system, the seal failure of hydraulic system is caused, influences the normal use of hydraulic system；Moreover, impurity, driving medium
Also environmental pollution can be caused as backwash media discharge is into environment.
Therefore, it is necessary to a kind of drainage recyclable devices and hydraulic system for hydraulic support, to solve the above problems.
Summary of the invention
In view of this, it is an object of the invention to propose a kind of drainage recyclable device and hydraulic pressure system for hydraulic support
System, can recycle the high-water-based emulsion being discharged in the fully-mechanized mining working hydraulic system course of work, to recycle, to drop
Low production cost, while avoiding pollution environment.
A kind of drainage recyclable device for hydraulic support is provided based on the above-mentioned purpose present invention, comprising:
Collection vessel；
First recycling component, the first recycling component is used to recycle the drainage of column hydraulic pressure unit, and is transported to described
In collection vessel；
Second recycling component, the second recycling component is used to recycle the drainage of wall supporting hydraulic pressure unit, and is transported to described
In collection vessel；
Third recycles component, and the third recycling component is used to recycle the drainage of side guard plate hydraulic pressure unit, and is transported to institute
It states in collection vessel.
Preferably, the first recycling component includes the first safety valve and the first recovery tube, and 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 first safety valve
Drainage is stated to be transported in the collection vessel.
Preferably, the second recycling component includes the second safety valve and the second recovery tube, and 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 second safety valve
Drainage is stated to be transported in the collection vessel.
Preferably, the third recycling component includes third safety valve and third recovery tube, and the third safety valve is used for
The drainage of the side guard plate hydraulic pressure unit discharge is collected, what the third recovery tube was used to collect on the third safety valve
The drainage is transported in the collection vessel.
Preferably, the recyclable device further include: total recovery tube, total recovery tube is for collecting first recycling
The drainage that pipe, second recovery tube and the third recovery tube are collected, and be transported in the collection vessel.
Preferably, the first check valve, are respectively arranged on first recovery tube, the second recovery tube and third recovery tube
Two check valves and third check valve；First check valve, the second one-way valve and the third check valve are respectively used to control
The drainage inside first recovery tube, second recovery tube and the third recovery tube is made to total recovery tube stream
It is dynamic.
Preferably, total check valve is provided on total recovery tube, total check valve is for controlling total recovery tube
The internal drainage is flowed to the collection vessel.
Preferably, the recyclable device further include: drain pipe, the import of the drain pipe and the sewage draining exit of filter connect
Logical, the outlet of the drain pipe is connected to total recovery tube, and the outlet of the drain pipe is in total check valve and institute
On the tube body for stating total recovery tube between collection vessel.
The present invention provides a kind of hydraulic system, and the hydraulic system includes the above-mentioned drainage recycling dress for hydraulic support
It sets.
Preferably, the hydraulic system further include: column hydraulic pressure unit, wall supporting hydraulic pressure unit, side guard plate hydraulic pressure unit and
Unit is backwashed, the column hydraulic pressure unit, the wall supporting hydraulic pressure unit, the side guard plate hydraulic pressure unit and the backwash are single
The drainage of member is recovered in the drainage recyclable device for hydraulic support.
From the above it can be seen that provided by the present invention for the drainage recyclable device and hydraulic system of hydraulic support,
Compared with prior art, the invention has the following advantages that first, each recycling component can be by fully-mechanized mining working hydraulic system work
The high-water-based emulsion being discharged during making is recovered in collection vessel, so that drainage can be recycled, is avoided
Waste, to reduce production cost；It avoids drainage from penetrating into earth's surface simultaneously, avoids pollution water resource and environment.Second, hydraulic pressure system
System has better sealing, not will cause releasing for high-water-based emulsion, avoids the wasting of resources and environmental pollution.Its
Three, it when backwash unit is backwashed again, not will cause the seal failure of other units, influence normally making for hydraulic system
With.
Detailed description of the invention
By the way that embodiment is described with reference to the accompanying drawing, features described above of the invention and technological merit will become
More understands and be readily appreciated that.
Fig. 1 is the schematic diagram of the drainage recyclable device for hydraulic support used in the specific embodiment of the invention.
Fig. 2 is the first recycling component use state diagram of the drainage recyclable device shown in FIG. 1 for hydraulic support.
Fig. 3 is the second recycling component use state diagram of the drainage recyclable device shown in FIG. 1 for hydraulic support.
Fig. 4 is that the third of the drainage recyclable device shown in FIG. 1 for hydraulic support recycles component use state diagram.
Fig. 5 is the drain pipe use state diagram of the drainage recyclable device shown in FIG. 1 for hydraulic support.
Fig. 6 is the schematic diagram of the hydraulic system used in the specific embodiment of the invention.
Wherein appended drawing reference:
1: column；2: one-way lock；3: tee tube；
4: pressure gauge；5: ball valve；6: reversible lock；
7: solenoid valve；8: threeway alternate valve；9: filter；
10: the first safety valves；11: the first recovery tubes；12: the first check valves；
20: the second safety valves；21: the second recovery tubes；22: second one-way valve；
30: third safety valve；31: third recovery tube；32: third check valve；
40: collection vessel；50: total recovery tube；60: total check valve；
70: drain pipe；
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 objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in more detail.Wherein identical components are presented with like reference characters.It needs to illustrate
It is that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to the direction in attached drawing.
Fig. 1 is the schematic diagram of the drainage recyclable device for hydraulic support used in the specific embodiment of the invention.Such as Fig. 1
Shown, the drainage recyclable device for hydraulic support includes: that collection vessel 40, first recycles component, the second collection assembly and the
Three collection assemblies.
Collection vessel, collection vessel is for collecting the high-water-based emulsion for accommodating each collect components, i.e. drainage.
First recycling component is used to recycle the drainage of column hydraulic pressure unit 100, and is transported in collection vessel 40.
Second recycling component is used to recycle the drainage of wall supporting hydraulic pressure unit 200, and is transported in collection vessel 40.
Third recycling component is used to recycle the drainage of side guard plate hydraulic pressure unit 300, and is transported in collection vessel 40.
First recycling component, the second recycling component and third recycling component can be worked by fully-mechanized mining working hydraulic system
The high-water-based emulsion being discharged in journey is recovered in collection vessel, so that drainage can be recycled, avoids wasting,
To reduce production cost；It avoids drainage from penetrating into earth's surface simultaneously, avoids pollution water resource and environment.
Preferably, the first recycling component includes the first safety valve 10 and the first recovery tube 11, and the first safety valve 10 is for receiving
Collect the drainage that column hydraulic pressure unit 100 discharges, the first recovery tube 11 is used to the drainage that the first safety valve 10 is collected being transported to receipts
Collect in container 40.The drainage that column hydraulic pressure unit 100 discharges can be recovered in collection vessel 40 by the first recycling component, be avoided
It results in waste of resources and environmental pollution.
Collection vessel 40 can be made of independent container, and after being filled with, the drainage in collection vessel 40 is transported to liquid
In the highly pressurised liquid accommodating container of pressure system, in case being recycled；Also the highly pressurised liquid storage of hydraulic system can be directly used
Container is 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 use is direct plungeed into.
Fig. 2 is the first recycling component use state diagram of the drainage recyclable device shown in FIG. 1 for hydraulic support.
As shown in Fig. 2, the first recycling component is mounted 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 solenoid valve (not identifying).Column 1
It is gone up and down by hydraulic control, one-way lock 2 includes import PA, outlet A, for returning for highly pressurised liquid (high-water-based emulsion) to be quickly discharged
Liquid mouth R and for providing the control mouth k of pressure；The liquid return hole R and outlet A of one-way lock 2 can return liquid simultaneously, to realize quickly
Drainage.Ball valve 5 is used to control the flow into the highly pressurised liquid of one-way lock 2；Solenoid valve includes working hole A1 and working hole A2, is used
In control whether supply highly pressurised liquid.
When working hole A2 works, beginning supplies highly pressurised liquids to two columns 1 simultaneously, and highly pressurised liquid enters by ball valve 5
The import PA of one-way lock 2, the rodless cavity of column 1 is entered by exporting A, and column 1 starts setting prop；The rod chamber of column 1 includes two
A branch, the first branch is connected to the control mouth k of one-way lock 2, and when carrying out back liquid by control mouth k, import PA is used as back liquid
Mouthful；Second branch is connected to working hole A1.
When working hole A1 works, start to supply highly pressurised liquid, highly pressurised liquid has bar by what the second branch entered column 1
Chamber enters the control mouth k of one-way lock 2 by the first branch, and to unlock one-way lock 2, column 1 starts to drop column；Highly pressurised liquid from
Rodless cavity outflow, rodless cavity are connected to the outlet A of one-way lock 2, and one-way lock 2 includes two and returns liquid branch, and first time liquid branch passes through
Liquid return hole R returns liquid, and second time liquid branch is connected to by ball valve 5 with working hole A2 by the import PA of one-way lock 2.
The inlet and outlet of first safety valve 10 inlet communication with the rodless cavity of column 1 and the first recovery tube 11 respectively,
The outlet of first recovery tube 11 is connected to collection vessel 40 or total recovery tube 50, is provided with the first check valve on the first recovery tube 11
12.Hydraulic when column 1 sets pressure more than the first safety valve 10, and 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 also be connected to the liquid return hole R of one-way lock 2, will via return
The drainage recycling of liquid mouth R discharge.In the present embodiment, the both ends of tee tube 3 go out with liquid return hole R and the first safety valve 10 respectively
Mouthful pass through pipeline connection, the third end inlet communication with the first recovery tube 11 again.
In the present embodiment, the synchronous setting prop of two columns 1 or drop column, the synchronous recycling drainage of two the first safety valves 10, two
A 3 third end of tee tube passes through the inlet communication of pipeline and the first recovery tube 11.
Preferably, the second recycling component includes the second safety valve 20 and the second recovery tube 21, and the second safety valve 20 is for receiving
Collect the drainage that wall supporting hydraulic pressure unit 200 discharges, the second recovery tube 21 is used to the drainage that the second safety valve 20 is collected being transported to receipts
Collect in container 40.The drainage that wall supporting hydraulic pressure unit 200 discharges can be recovered in collection vessel 40 by the second recycling component, be avoided
It results in waste of resources and environmental pollution.
Fig. 3 is the second recycling component use state diagram of the drainage recyclable device shown in FIG. 1 for hydraulic support.
As shown in figure 3, the second recycling component is mounted on wall supporting hydraulic pressure unit 200.
Wall supporting hydraulic pressure unit 200 includes column 1, reversible lock 6 and solenoid valve 7.Column 1 is gone up and down by hydraulic control, reversible lock 6
Including import PB, outlet PA, the left cartridge outlet B of rodless cavity for being connected to column 1, rod chamber for being connected to column 1
Right cartridge outlet A, liquid return hole (B1, A1) and solenoid valve 7 for the inlet communication with the second safety valve 20, solenoid valve 7 wrap
Include left side working hole and right side working hole.
When 7 left side working position of solenoid valve obtains electric, highly pressurised liquid enters the import PB of reversible lock 6 by left side working hole P,
From left side, cartridge outlet B enters the rodless cavity of column 1, and column 1 starts setting prop.The right side working position T for exporting PA and solenoid valve 7 connects
It is logical.
When 7 right side working position of solenoid valve obtains electric, highly pressurised liquid enters the outlet PA of reversible lock 6 by right side working hole P,
From right side, cartridge outlet A enters the rod chamber of column 1, and column 1 starts to drop column.The left side working position T of import PB and solenoid valve 7 connects
It is logical.
The inlet and outlet of second safety valve 20 respectively with the liquid return hole of one-way lock 2 (B1 or A1) and the second recovery tube 21
The outlet of inlet communication, the second recovery tube 21 is connected to collection vessel 40 or total recovery tube 50, is provided on the second recovery tube 21
Second one-way valve 22.Hydraulic when column 1 sets pressure more than the second safety valve 20, and highly pressurised liquid can enter second as drainage
Then safety valve 20 enters collection vessel 40 by the second recovery tube 21 or enters collection vessel 40 by total recovery tube 50, the
Two check valves 22 are for avoiding drainage from flowing back.
A in the present embodiment, the both ends of tee tube 3 are connected to liquid return hole B1 and liquid return hole A1 respectively, third end and second
The inlet communication of recovery tube 21.
Preferably, third recycling component includes third safety valve 30 and third recovery tube 31, and third safety valve 30 is for receiving
Collect the drainage that side guard plate hydraulic pressure unit 300 discharges, third recovery tube 31 is for the drainage that third safety valve 30 is collected to be transported to
In collection vessel 40.The drainage that side guard plate hydraulic pressure unit 300 discharges can be recovered in collection vessel 40 by third recycling component,
Avoid the wasting of resources and environmental pollution.
Fig. 4 is that the third of the drainage recyclable device shown in FIG. 1 for hydraulic support recycles component use state diagram.
As shown in figure 4, third recycling component is mounted on side guard plate hydraulic pressure unit 300.
Side guard plate hydraulic pressure unit 300 includes column 1, one-way lock 2, solenoid valve 7 and threeway alternate valve 8.Column 1 is by hydraulic control
System lifting, one-way lock 2 include import, outlet, liquid return hole and control mouth, and the rodless cavity of column 1 and the liquid return hole of one-way lock 2 connect
Logical, threeway alternate valve 8 includes left side port, middle port and right side port, and left side port is connected to the control mouth of one-way lock 2,
The inlet communication of middle port and third safety valve 30, the inlet communication of right side port and one-way lock 2.
7 left side working position of solenoid valve obtains electric, and highly pressurised liquid enters threeway alternate valve 8 by 7 left side working hole P of solenoid valve
The rod chamber of left side port, the control mouth of one-way lock 2 and column 1, column 1 start to drop column.The import of one-way lock 2 replaces with threeway
The left side port of valve 8 is connected to, and returns liquid for highly pressurised liquid.
7 right side working position of solenoid valve obtain it is electric, highly pressurised liquid by work on the right side of solenoid valve 7 P mouthful into one-way lock 2 into
Mouth, the rodless cavity for entering column 1 by the liquid return hole of one-way lock 2, column 1 start setting prop.1 rod chamber of column passes through solenoid valve 7
Working position T mouthfuls of left side progress highly pressurised liquid returns liquid.
The liquid return hole of one-way lock 2 and the inlet communication of third safety valve 30, the outlet of third safety valve 30 replaces with threeway
The middle port of valve 8 is connected to, and third recovery tube 31 is connected on middle port, for recycling drainage；
The inlet and outlet of third safety valve 30 middle port with the liquid return hole of one-way lock 2 and threeway alternate valve 8 respectively
Connection,
The inlet and outlet of third recovery tube 31 is returned with the middle port of threeway alternate valve 8 and collection vessel 40 or always respectively
Closed tube 50 is connected to, and is provided with third check valve 32 on third recovery tube 31.Hydraulic when column 1 is more than that third safety valve 30 is set
Pressure, highly pressurised liquid can enter third safety valve 30, the middle port of threeway alternate valve 8 and third recovery tube 31 as drainage,
Then collection vessel 40 is entered by third recovery tube 31 or collection vessel 40, third check valve 32 is entered by total recovery tube 50
For avoiding drainage from flowing back.
Preferably, recyclable device further include: total recovery tube 50, total recovery tube 50 is for collecting the first recovery tube 11, second
The drainage that recovery tube 21 and third recovery tube 31 are collected, and be transported in collection vessel 40.Total recovery tube 50, which has to collect, to ease up
The effect of punching, the drainage that total recovery tube 50 can recycle each recovery tube is admixed together, is then at the uniform velocity discharged into collection and holds
In device 40.
Preferably, the first check valve is respectively arranged on the first recovery tube 11, the second recovery tube 21 and third recovery tube 31
12, second one-way valve 22 and third check valve 32；First check valve 12, second one-way valve 22 and third check valve 32 are respectively used to
The drainage inside the first recovery tube 11, the second recovery tube 21 and third recovery tube 31 is controlled to flow to total recovery tube 50.First is single
It can be avoided drainage reflux to valve 12, second one-way valve 22 and third check valve 32, backwash avoided to cause each hydraulic system
Seal failure.
Preferably, total check valve 60 is provided on total recovery tube 50, total check valve 60 is for controlling in total recovery tube 50
Drainage is flowed to collection vessel 40.Total check valve 60 can be avoided drainage reflux, provide duplicate protection for hydraulic system, avoid anti-
Flushing causes each hydraulic system seal failure.
Preferably, recyclable device further include: drain pipe 70, the import of drain pipe 70 are connected to the sewage draining exit of filter, row
The outlet of liquid pipe 70 is connected to total recovery tube 50, and the outlet of drain pipe 70 is between total check valve 60 and collection vessel 40
On the tube body of total recovery tube 50.Backwash impurity, drainage etc. can be recovered in collection vessel by drain pipe 70, avoid the wasting of resources
And environmental pollution.
Fig. 5 is the drain pipe use state diagram of the drainage recyclable device shown in FIG. 1 for hydraulic support.Such as Fig. 5
Shown, drain pipe 70 is mounted on total recovery tube 50.
Backwashing unit 400 includes drain pipe 70, solenoid valve 7 and filter 9, and solenoid valve 7 is connected to filter 9, is filtered
The sewage draining exit T of device 9 and the inlet communication of drain pipe 70, the outlet of drain pipe 70 is connected to total recovery tube 50.
When 9 normal use of filter, highly pressurised liquid enters filter 9 by solenoid valve 7, other works are flow to after filtering
Make component；Sewage is discharged in time from drain pipe 70, and the negative pressure of anti-non-return liquid is excessive, generates recoil to filter screen.
When filter 9 blocks, the pressure difference of filter screen two sides increases, at this point, the left working hole of solenoid valve 7 is powered, high pressure
Liquid is reverse flowed to 8 filter core of filter in left side after 8 filter core of filter on right side, at this point, the filter 8 in left side is recoiled
It washes, returns liquid by check valve (not identifying) and flow to drain pipe 70.Similarly, the right working hole of solenoid valve 7 is powered, and highly pressurised liquid passes through
It is reverse flowed to 8 filter core of filter on right side after the filter core of the filter 8 in left side, at this point, the filter 8 on right side is backwashed, returns
Liquid flows to drain pipe 70 by check valve.
The use process of the drainage recyclable device for hydraulic support is described further below.
In 100 setting prop of column hydraulic pressure unit, drop column, letting out for the first recycling component recycling column hydraulic pressure unit 100 is used
Liquid；In 200 setting prop of wall supporting hydraulic pressure unit, drop column, the drainage of the second recycling component recycling wall supporting hydraulic pressure unit 200 is used；?
When 300 setting prop of side guard plate hydraulic pressure unit, drop column, the drainage of third recycling component recycling side guard plate hydraulic pressure unit 300 is used；It will be upper
It states and collects drainage and pass through the first check valve 12, second one-way valve 22 and third check valve 32 respectively and be pooled in total recovery tube 50,
The drainage for backwashing unit 400 is recovered in total recovery tube 50 using drain pipe 70, total check valve 60 can be avoided drain pipe
The drainage of 70 discharges enters in the first recycling component, the second recycling component and third recycling component；Total recovery tube 50 will be whole
Drainage is transported in collection vessel 40, to be recycled.
The present invention provides a kind of hydraulic system, and hydraulic system includes the above-mentioned drainage recyclable device for hydraulic support.
Preferably, hydraulic system further include: 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 recyclable device for hydraulic support.Hydraulic system is relatively more closed, Bu Huizao
At releasing for high-water-based emulsion, the wasting of resources and environmental pollution are avoided.
Fig. 6 is the schematic diagram of the hydraulic system used 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 recyclable device for hydraulic support, column hydraulic pressure unit 100, wall supporting hydraulic pressure unit 200, side guard plate hydraulic pressure unit
300, the drainage for backwashing unit 400 is recovered to the collection vessel of drainage recyclable device, to recycle.
From the description above with practice it is found that drainage recyclable device and hydraulic pressure system provided by the present invention for hydraulic support
System, compared with prior art, the invention has the following advantages that first, each recycling component can be by fully-mechanized mining working hydraulic pressure system
The high-water-based emulsion being discharged in the system course of work is recovered in collection vessel, so that drainage can be recycled, is avoided
It causes to waste, to reduce production cost；It avoids drainage from penetrating into earth's surface simultaneously, avoids pollution water resource and environment.Second, liquid
Pressure system has better sealing, not will cause releasing for high-water-based emulsion, avoids the wasting of resources and environmental pollution.
Third, not will cause the seal failure of other units when backwash unit is backwashed again, normally making for hydraulic system is influenced
With.
It should be understood by those ordinary skilled in the art that: the above is only a specific embodiment of the present invention, and
It is not used in the limitation present invention, all any modification, equivalent substitution, improvement and etc. within purport of the invention, done should all include
Within protection scope of the present invention.
Claims (8)
1. a kind of drainage recyclable device for hydraulic support characterized by comprising
Collection vessel；
First recycling component, the first recycling component is used to recycle the drainage of column hydraulic pressure unit, and is transported to the collection
In container；The first recycling component includes the first safety valve and the first recovery tube, and first safety valve is described for collecting
The drainage of column hydraulic pressure unit discharge, the drainage that first recovery tube is used to collect on first safety valve are defeated
It is sent in the collection vessel；
Second recycling component, the second recycling component is used to recycle the drainage of wall supporting hydraulic pressure unit, and is transported to the collection
In container；The second recycling component includes the second safety valve and the second recovery tube, and second safety valve is described for collecting
The drainage of wall supporting hydraulic pressure unit discharge, the drainage that second recovery tube is used to collect on second safety valve are defeated
It is sent in the collection vessel；The wall supporting hydraulic pressure unit includes column, reversible lock and solenoid valve；The reversible lock include into
Mouthful, outlet, the left cartridge outlet of rodless cavity for being connected to the column, rod chamber for being connected to the column right spool
It exports, for the liquid return hole of the inlet communication with second safety valve；The solenoid valve includes left side working hole and right side work
Make mouth；
The import with the liquid return hole of the reversible lock and second recovery tube respectively of the inlet and outlet of second safety valve
Connection, the outlet of second recovery tube is connected to the collection vessel；Hydraulic when column is more than that second safety valve is set
Constant-pressure, highly pressurised liquid can enter second safety valve as drainage, then enter the receipts by second recovery tube
Collect container；
Third recycles component, and the third recycling component is used to recycle the drainage of side guard plate hydraulic pressure unit, and is transported to the receipts
Collect in container.
2. the drainage recyclable device according to claim 1 for hydraulic support, which is characterized in that
The third recycling component includes third safety valve and third recovery tube, and the third safety valve is for collecting the side shield
The drainage of plate hydraulic pressure unit discharge, the drainage that the third recovery tube is used to collect on the third safety valve convey
Into the collection vessel.
3. the drainage recyclable device according to claim 2 for hydraulic support, which is characterized in that
The recyclable device further include: total recovery tube, total recovery tube is for collecting first recovery tube, second time described
The drainage that closed tube and the third recovery tube are collected, and be transported in the collection vessel.
4. the drainage recyclable device according to claim 3 for hydraulic support, which is characterized in that
Be respectively arranged on first recovery tube, the second recovery tube and third recovery tube the first check valve, second one-way valve and
Third check valve；First check valve, the second one-way valve and the third check valve are respectively used to control described first
The drainage inside recovery tube, second recovery tube and the third recovery tube is flowed to total recovery tube.
5. the drainage recyclable device according to claim 3 for hydraulic support, which is characterized in that
It is provided with total check valve on total recovery tube, what total check valve was used to control inside total recovery tube described lets out
Liquid is flowed to the collection vessel.
6. the drainage recyclable device according to claim 5 for hydraulic support, which is characterized in that
The recyclable device further include: drain pipe, the import of the drain pipe are connected to the sewage draining exit of filter, the drain pipe
Outlet be connected to total recovery tube, the outlet of the drain pipe is between total check valve and the collection vessel
Total recovery tube tube body on.
7. a kind of hydraulic system, which is characterized in that the hydraulic system includes being used for as claimed in any one of claims 1 to 6
The drainage recyclable device of hydraulic support.
8. hydraulic system according to claim 7, which is characterized in that
The hydraulic system further include: 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 drainage for backwashing unit are equal
It is recovered in the drainage recyclable device for hydraulic support.
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| CN201611183200.0A CN106640166B (en) | 2016-12-20 | 2016-12-20 | Drainage recyclable device and hydraulic system for hydraulic support |
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| CN201611183200.0A CN106640166B (en) | 2016-12-20 | 2016-12-20 | Drainage recyclable device and hydraulic system for hydraulic support |
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| CN106640166B true CN106640166B (en) | 2019-09-10 |
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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. |