CN209348240U - A kind of self-cleaning filtering station - Google Patents
A kind of self-cleaning filtering station Download PDFInfo
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- CN209348240U CN209348240U CN201821623138.7U CN201821623138U CN209348240U CN 209348240 U CN209348240 U CN 209348240U CN 201821623138 U CN201821623138 U CN 201821623138U CN 209348240 U CN209348240 U CN 209348240U
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Abstract
The utility model relates to mining machinery fields, a kind of self-cleaning filtering station is provided, it the self-cleaning filtering station can be to filter on-line cleaning under the action of three-way diverter valve, it is mainly used for the preposition low pressure coarse filtration of the emulsion power pack or spraying pumping plant of underground coal mine coal working face, can also be applied to emulsion power pack returns liquid filtering；A kind of self-cleaning filtering station, including filter, filter have vertically arranged left and right two, are all respectively arranged with three-way diverter valve between two inlet tubes and two outlet tubes；Dewatering orifice connection core exocoel and outside are opened up in outer casing bottom, the screw plug that discharges water is detachably arranged in dewatering orifice.
Description
Technical field
The utility model relates to mining machinery fields, provide a kind of self-cleaning filtering station, and the self-cleaning filtering station is in threeway
Emulsion power pack or the spray of underground coal mine coal working face can be mainly used for filter on-line cleaning under the action of switching valve
The preposition low pressure coarse filtration of mist pumping plant, can also be applied to emulsion power pack returns liquid filtering.
Background technique
With the development of coal mine science and technology, fully mechanized mining is equipped automatization level and is improved, and production efficiency is higher and higher, gradually at
It for the main tool of production that mine produces coal, while being also the lifeline of shaft production.Coal mine fully-mechanized mining hydraulic support, hydraulic system and
At spraying pumping plant under the highly polluted environment of underground coal dust, coal ash, emulsion pump used in hydraulic system and liquid case are easily by coal
The pollution such as dirt, coal ash iron filings, causes each component accident of hydraulic support frequently to occur, normally produces to fully mechanized mining system and cause very big shadow
It rings.
According to the magnitude classification of particle, the dirt impurity (dirty miscellaneous) in coal mine fully-mechanized mining equipment can be divided into thick miscellaneous (granule
Amount is greater than 50 μm) and thin miscellaneous (the particle scale of construction is between 25 μm -50 μm) two classes.For weight, it is dirty it is miscellaneous in major part be
It is thick miscellaneous.Wherein really it is harmful to coal mine fully-mechanized mining Weapon Hydraulic System be it is thin miscellaneous, in the prior art, undertake the thin miscellaneous task of removing
Be equipped for smart filter station.It is carefully miscellaneous to be isolated in smart filter station filter together with largely slightly miscellaneous in smart filter station operation process
Outside core, the rapid accumulation outside filter core blocks filter opening, reduces the passage capacity of filter core, cause system pressure loss big, also drop significantly
The low pollutant carrying capacity and filter efficiency of smart filter station.If stop cleaning, the working efficiency of board can be reduced.
It is to improve smart filter station pollutant carrying capacity and filter efficiency by thick miscellaneous and thin miscellaneous system of clearing out of online separately, respectively
Effective way.
Summary of the invention
The purpose of the utility model is to provide a kind of self-cleaning filtering station, work of the self-cleaning filtering station in three-way diverter valve
Before the emulsion power pack or spraying pumping plant of underground coal mine coal working face to filter on-line cleaning, can be mainly used under
Pressure coarse filtration is set low, can also be applied to emulsion power pack returns liquid filtering.
The purpose of this utility model is achieved through the following technical solutions:
A kind of self-cleaning filtering station, including filter, filter have vertically arranged left and right two, and filter includes shell
With inverted plug type setting filter core inside the shell, in shell, the cavity outside filter core be core exocoel, the cavity in filter core is in-core chamber；
Inlet tube connection core exocoel is set on side wall of outer shell, outlet tube connection in-core chamber is set in outer casing bottom；It is opened in outer casing bottom
If dewatering orifice connection core exocoel and outside, the screw plug that discharges water are detachably arranged in dewatering orifice；Go out liquid in two inlet tubes and two
Three-way diverter valve is all respectively arranged between pipe；Three-way diverter valve includes valve body and is rotatably arranged on the intracorporal spool of valve, valve body
Interior cavity is valve chamber, and the valve body blind hole that three identical bores of axis co-planar are opened up on valve body is passed through with valve chamber positive, adjacent
Angle between two valve body blind holes is not less than 90 °, and three identical bores, position and three valve body blind hole phases are also opened up on spool
Corresponding spool blind hole is passed through with spool positive, and the bore of spool blind hole is not more than the bore of valve body blind hole, and valve core rotation setting exists
In valve chamber.
The beneficial effects of the utility model are:
When above-mentioned self-cleaning filtering station works:
Above-mentioned self-cleaning filtering station is connected in the preposition fluid path of emulsion power pack or spraying pumping plant, or by above-mentioned from clear
Filter station is washed to be connected in time liquid fluid path of emulsion power pack.
When filtering, two three-way diverter valve spools are rotated, keep the valve body of three identical bores of two three-way diverter valves blind
Hole is all in the open state.Working solution enters filter through inlet tube by liquid inlet tee joint switching valve, intracavitary outside core, solia particle
After filter screen intercepts, cartridge surface is converged in, the impurity for accumulating in cartridge surface is deposited to core exocoel by the effect of gravity
Bottom.Filtered working solution, through outlet tube, liquid outlet threeway switching valve discharge filter, is completed from core exocoel to in-core chamber
Filtering to working solution.
When self-cleaning, two three-way diverter valves for preparing the filter (such as left filter, similarly hereinafter) of cleaning are first shut off, are torn open
Under discharge water screw plug, open the three-way diverter valve of left filter, the pressure water from right filter flows counterflow through left filter
Strainer, the dirt on strainer is rushed to bottom to be discharged by dewatering outlet.
After cleaning, the liquid outlet threeway switching valve of left filter is first closed, the screw plug that discharges water is loaded on, in order to avoid cause to filter
Hypertonia in device and damage.By above procedure, cleaning filter is clean and spare.
Above-mentioned self-cleaning filtering station can undertake preposition low pressure coarse filtration and return the task of liquid filtering, in three-way diverter valve
It can be to filter on-line cleaning under effect.
It further include the pedestal for support filter as the improvement to the utility model.
As to further improvement of the utility model, all it is arranged on the inlet tube and outlet tube of three-way diverter valve two sides
There is pressure gauge.
Pressure gauge is set, foundation can be provided with real-time display fluid path pressure to implement safety precautions.
As to further improvement of the utility model, the row for excluding air in filter is offered in cover top portion
Stomata is detachably provided with silently in gas vent.
As to further improvement of the utility model, in-core chamber exit is provided with the list for preventing liquid from backflowing
To valve.
As to further improvement of the utility model, in three valve body blind holes, the axis collinear of two valve body blind holes, with
The axis of another valve body blind hole is vertical.
As to further improvement of the utility model, it is provided on spool for the handle of rotational valve core and for referring to
The pointer for showing three-way diverter valve channel status is provided with the label for indicating three-way diverter valve channel status on valve body.
Above-mentioned improvement, expresses the access situation of three-way diverter valve, convenient for switching between each operating condition when operation, convenient for making
With.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram at self-cleaning filtering station；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the structural schematic diagram of liquid transition block out；
Fig. 4 is the top view of Fig. 3；
Fig. 5 is the structural schematic diagram of three-way diverter valve；
Fig. 6 is the side view of Fig. 5；
Fig. 7 is the top view of Fig. 5；
Fig. 8 is the structural schematic diagram of valve body；
Fig. 9 is the side view of Fig. 8；
Figure 10 is the top view of Fig. 8；
Figure 11 is the B-B view of Figure 10；
Figure 12 is the structural schematic diagram of spool；
Figure 13 is the side view of Figure 12；
Figure 14 is the shaft section sectional view of Figure 12.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in further detail:
There is vertically arranged left and right two referring to Fig. 1, a kind of self-cleaning filtering station shown in Fig. 2, including filter, filter
A 1,2(is following more make filter 1 and states), filter 1 includes that the filter core 107 in shell 101 is arranged in shell 101 and inverted plug type,
Cavity in shell 101, outside filter core 107 is core exocoel 108, and the cavity in filter core 107 is in-core chamber 109.101 cylinder barrel of shell
110 use pipe feeding, and it is solid with bolt 105 to connect firmly connecting flange 104, top cover 103 and connecting flange 104 on 106 top of main body
Connection.Bottom plate 111 is connected firmly in 110 bottom of cylinder body.
The gas vent (not shown) for excluding air in filter 1 is offered on top cover 103, in gas vent
Detachably, sealed set has silently 102.
106 connection core exocoel 108 of inlet tube is set on 101 cylinder barrel 110 of shell, liquid is provided in 101 bottom plate 111 of shell
Transition block 116 simultaneously connects firmly 117 connection in-core chamber 109 of outlet tube.
Again referring to shown in Fig. 3, Fig. 4, there is L-type cavity 161 inside liquid transition block 116 out, upper end passes through on flange arrangement
Unthreaded hole 162 is connected firmly with bottom plate 111 using bolt, is connect with outlet tube 117 using screw thread 163.
Dewatering orifice (not shown) connection core exocoel 108 and outside are opened up on bottom plate 111, the screw plug 115 that discharges water is removable
It unloads, be sealingly disposed in dewatering orifice.
Check valve 113 is internally provided in liquid transition block 116 out.
It is respectively arranged with three-way diverter valve 3,4, all between two inlet tubes 106 and two outlet tubes 117 for convenient for chatting
It states, the three-way diverter valve between two inlet tubes 106 is three-way diverter valve 3, and the three-way diverter valve between two outlet tubes 117 is threeway
Making three-way diverter valve 3 switching valve 4(is following to state) more.
The filter 1,2 of left and right two is arranged on pedestal 119 by support column 112.
Again referring to shown in Fig. 5, Fig. 6, Fig. 7, three-way diverter valve 3 includes valve body 303 and the valve being rotatably arranged in valve body 303
Core 304.Again referring to shown in Fig. 8-Figure 11, the cavity in valve body 303 is valve chamber 311, and the three of axis co-planar are opened up on valve body 303
The valve body blind hole 312 of a identical bore is passed through with 311 positive of valve chamber, and the angle between two neighboring valve body blind hole 312 is not less than 90 °,
It is again corresponding with three valve body blind holes 312 referring to three identical bores, position shown in Figure 12-Figure 14, is also opened up on spool 304
Spool blind hole 317 passed through with 304 positive of spool, the bore of spool blind hole 317 is not more than the bore of valve body blind hole 312, but the two
It is close, by taking this case as an example, the bore of spool blind hole 317 is 50mm, and the bore of valve body blind hole 312 is 45mm.
Spool 304 is rotatably arranged in valve chamber 311.
To improve mechanical processing technique, valve body is tetragonous column structure, and in three valve body blind holes 312, there are two valve bodies
The axis collinear of blind hole 312 and vertical with the axis of third valve body blind hole 312；Three valve body blind holes 312 are respectively distributed to three
On a side, and it is perpendicular with the side at place respectively.
Threaded hole 313 is all opened up in the upper and lower surface of valve body 303 for using the setting of screw 308 three-way diverter valve 3
Upper end cover 302, lower cover 305 open up threaded hole 314 for using screw 5 on three sides for offering valve body blind hole 312
Inlet tube 106 or outlet tube 117 are set.It is provided on the upper end cover 302 of valve body 303 for indicating 3 access of three-way diverter valve
The label 310 of state.
Shaft 316 is additionally provided in the upper surface of spool 304 and spool 304 is coaxial, and the top milling side of shaft 316 connects at handle
Socket part 315 is used to connect handle 301 with shaft 316 using screw 309.It compresses and is provided between screw 309 and handle 301
It is used to indicate the pointer 309 of 3 channel status of three-way diverter valve.
Between shaft 316 and upper end cover 302, between upper end cover 302 and valve body 303, valve body 303 and lower cover 305 it
Between be all provided with sealing ring 306.
Pressure gauge 118 is all provided on the inlet tube 106 and outlet tube 117 in three-way diverter valve 3,4 two sides.
The specific structure of filter core 107 is the prior art, this is not repeated.
With reference to the accompanying drawing, the course of work at the self-cleaning filtering station is described in detail.
When above-mentioned self-cleaning filtering station works:
Above-mentioned self-cleaning filtering station is connected in the preposition fluid path of emulsion power pack or spraying pumping plant, or by above-mentioned from clear
Filter station is washed to be connected in time liquid fluid path of emulsion power pack.
When filtering, two three-way diverter valve spools are rotated, keep the valve body of three identical bores of two three-way diverter valves blind
Hole is all in the open state.Working solution enters filter through inlet tube by liquid inlet tee joint switching valve 3, intracavitary outside core, and solid is micro-
Grain converges in cartridge surface after filter screen intercepts, and the impurity for accumulating in cartridge surface is deposited to outside core by the effect of gravity
The bottom of chamber.Filtered working solution is complete through outlet tube, 4 discharge filter of liquid outlet threeway switching valve from core exocoel to in-core chamber
The filtering of pairs of working solution.
When self-cleaning, two three-way diverter valves for preparing the filter (such as left filter, similarly hereinafter) 1 of cleaning are first shut off,
The screw plug that discharges water is removed, the three-way diverter valve of left filter 1 is opened, the pressure water from right filter 2 flows counterflow through left filtering
The strainer of device, the dirt on strainer is rushed to bottom to be discharged by dewatering outlet.
After cleaning, the liquid outlet threeway switching valve of left filter 1 is first closed, the screw plug that discharges water is loaded on, in order to avoid caused
Hypertonia in filter and damage.By above procedure, cleaning filter is clean and spare.
The beneficial effects of the utility model are:
Above-mentioned self-cleaning filtering station can undertake preposition low pressure coarse filtration and return the task of liquid filtering, in three-way diverter valve
It can be to filter on-line cleaning under effect.
Multiple safe protection device is set, and instruction device is set, increases safety in utilization, convenient for operation, is particularly suitable for
In the preposition low pressure coarse filtration of the emulsion power pack or spraying pumping plant of underground coal mine coal working face, emulsion pump can also be applied to
That stands returns liquid filtering.
Claims (7)
1. a kind of self-cleaning filtering station, including filter, characterized in that filter has vertically arranged left and right two, filter
Including shell and inverted plug type setting filter core inside the shell, in shell, the cavity outside filter core be core exocoel, the cavity in filter core is
In-core chamber；Inlet tube connection core exocoel is set on side wall of outer shell, outlet tube connection in-core chamber is set in outer casing bottom；At two
Three-way diverter valve is all respectively arranged between inlet tube and two outlet tubes；Outer casing bottom open up dewatering orifice connection core exocoel and
Outside, the screw plug that discharges water are detachably arranged in dewatering orifice；Three-way diverter valve includes valve body and is rotatably arranged on the intracorporal spool of valve,
The intracorporal cavity of valve is valve chamber, and the valve body blind hole that three identical bores of axis co-planar are opened up on valve body is passed through with valve chamber positive,
Angle between two neighboring valve body blind hole is not less than 90 °, and it is blind that three identical bores, position and three valve bodies are also opened up on spool
The corresponding spool blind hole in hole is passed through with spool positive, and the bore of spool blind hole is not more than the bore of valve body blind hole, and valve core rotation is set
It sets in valve chamber.
2. self-cleaning filtering station according to claim 1, characterized in that further include the pedestal for support filter.
3. self-cleaning filtering station according to claim 1, characterized in that inlet tube and liquid out in three-way diverter valve two sides
Pressure gauge is all provided on pipe.
4. self-cleaning filtering station according to claim 1, characterized in that offer in cover top portion for excluding filter
The gas vent of interior air is detachably provided with silently in gas vent.
5. self-cleaning filtering station according to claim 1, characterized in that be provided in in-core chamber exit for preventing liquid
The check valve that body backflows.
6. self-cleaning filtering station according to claim 1, characterized in that in three valve body blind holes, two valve body blind holes
It is axis collinear, vertical with the axis of another valve body blind hole.
7. self-cleaning filtering station according to claim 1, characterized in that be provided with the hand for rotational valve core on spool
Handle and the pointer for being used to indicate three-way diverter valve channel status, are provided with for indicating three-way diverter valve channel status on valve body
Label.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821623138.7U CN209348240U (en) | 2018-10-02 | 2018-10-02 | A kind of self-cleaning filtering station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821623138.7U CN209348240U (en) | 2018-10-02 | 2018-10-02 | A kind of self-cleaning filtering station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209348240U true CN209348240U (en) | 2019-09-06 |
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ID=67780615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821623138.7U Active CN209348240U (en) | 2018-10-02 | 2018-10-02 | A kind of self-cleaning filtering station |
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| Country | Link |
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| CN (1) | CN209348240U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112107916A (en) * | 2020-09-29 | 2020-12-22 | 杭州富阳万博空分设备有限公司 | Precision filter with switching function |
-
2018
- 2018-10-02 CN CN201821623138.7U patent/CN209348240U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112107916A (en) * | 2020-09-29 | 2020-12-22 | 杭州富阳万博空分设备有限公司 | Precision filter with switching function |
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