CN203756212U - Back flush filtering device for hydraulic system - Google Patents
Back flush filtering device for hydraulic system Download PDFInfo
- Publication number
- CN203756212U CN203756212U CN201420089043.7U CN201420089043U CN203756212U CN 203756212 U CN203756212 U CN 203756212U CN 201420089043 U CN201420089043 U CN 201420089043U CN 203756212 U CN203756212 U CN 203756212U
- Authority
- CN
- China
- Prior art keywords
- filtering device
- feed liquor
- back flush
- hydraulic system
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 37
- 238000011010 flushing procedure Methods 0.000 claims description 17
- 239000010865 sewage Substances 0.000 claims description 16
- 239000012530 fluid Substances 0.000 claims description 15
- 239000000839 emulsion Substances 0.000 claims description 11
- 239000003245 coal Substances 0.000 description 5
- 230000008676 import Effects 0.000 description 5
- 238000009412 basement excavation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000004945 emulsification Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000011001 backwashing Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
Abstract
The utility model relates to a back flush filtering device for a hydraulic system. The back flush filtering device comprises a valve body and sets of back flush modules for filters. The valve body is provided with a liquid inlet, a liquid outlet and a dirt discharge opening. The back flush filtering device further comprises a liquid inlet pipeline for being communicated with a liquid supply opening of an emulsified liquid tank, and a liquid outlet pipeline for being communicated with the hydraulic device. Two or more sets of back flush modules are arranged side by side in the extending direction of the liquid inlet pipeline. A liquid inlet of each back flush module is communicated with the liquid inlet pipeline through a corresponding liquid inlet pipe, and a liquid outlet of each back flush module is communicated with the liquid outlet pipeline through a corresponding liquid outlet pipe. When back flush is conducted on one filter in some back flush module, other filters in the back flush module and filters in other back flush modules can normally supply liquid, liquid supply flow is ensured, and liquid supply pressure is prevented from falling; meanwhile, each back flush module is neat in structure and convenient to install and maintain.
Description
Technical field
The utility model relates to hydraulic system back-flushing filtering device.
Background technology
In coal mining industry, for guaranteeing that the oil emulsion pollutant accuracy class that enters hydraulic support meets equipment requirement, assurance coal excavation apparatus is worked safely and steadly, and high pressure filtering device is generally all disposed in the outlet of high-pressure emulsification pump station.
High pressure filtering device of the prior art as application number be 200810120919.9, publication number is the disclosed backwash high pressure filtering station of Chinese patent of CN 101349156 A, comprise casing and be arranged on the backwash module on casing, this backwash module comprises valve body and two strainers, valve body is provided with the inlet being communicated with for the outlet with high-pressure emulsification pump station, for liquid outlet and the sewage draining exit for the waste liquid that is mixed with impurity is discharged of high-pressure emulsion are provided to coal excavation apparatus, two strainers are to be arranged in parallel, the outlet of each strainer is all directly communicated with described liquid outlet, and the inlet of import and valve body, between sewage draining exit, be provided with valve ball, valve ball relies on handle to control and has normal filtration position and a backwash position for described import is communicated with sewage draining exit for the import of respective filter is communicated with inlet.During normal operation, each valve ball is all in normal filtration position, and emulsion enters strainer from inlet, after filtering, from liquid outlet, discharges; When the spool of strainer need to clean, the corresponding valve ball of one of them strainer is turned to backwash position, emulsion after another strainer filters enters this strainer from the outlet reverse flow of this strainer, impurity back flush on filter core is clean, and discharge from sewage draining exit, realize online backwashing.But above-mentioned backwash module is when carrying out backwash, owing to only having a strainer in normal operating conditions, therefore, backwash process can cause the decline of liquid supply pressure, easily causes hydraulic test to occur losing efficacy or moving inflexible phenomenon, has affected job safety.In addition, backwash module and pipeline in existing backwash high pressure filtering station are arranged on wall box, and in same plane, because pipeline is more, so pipeline connects confusion, complex structure, difficult maintenance.
Utility model content
The purpose of this utility model is to provide a kind of hydraulic system back-flushing filtering device that can avoid occurring in backwash process liquid supply pressure decline.
The technical scheme adopting in the utility model is: a kind of hydraulic system back-flushing filtering device, comprise the backwash module that is provided with valve body and strainer in groups, described valve body is provided with inlet, liquid outlet and sewage draining exit, also comprise feed liquor pipeline and the fluid pipeline for being communicated with hydraulic test for being communicated with the supply opening of emulsion box, described backwash module is provided be arranged side by side along the bearing of trend of feed liquor pipeline more than two, the inlet of each backwash module is respectively by corresponding feed tube and described feed liquor pipeline connection, the liquid outlet of each backwash module is respectively by corresponding drain pipe and described fluid pipeline connection.
Described back-flushing filtering device comprises casing, in described casing, be provided with the dividing plate that casing is divided into front and rear, described valve body and feed liquor pipeline are arranged on the front side of dividing plate, and described fluid pipeline is arranged on the rear side of dividing plate, and described dividing plate is provided with the drain pipe perforation of passing for described drain pipe.
The bearing of trend of described drain pipe and described divider upright.
The rear side of described dividing plate is provided with blowoff line, and the sewage draining exit of each backwash module is communicated with described blowoff line by corresponding blow-off pipe respectively, and described dividing plate is provided with the blow-off pipe perforation of passing for described blow-off pipe.
Described liquid outlet and sewage outfalls setting are in the same side of described valve body horizontal direction, and described blowoff line is arranged on fluid pipeline below, and described blow-off pipe is to be obliquely installed.
Described feed liquor pipeline comprises two sections of above feed liquor pipeline sections and is connected to the tee junction between two sections of adjacent feed liquor pipeline sections, and corresponding feed tube is to be connected on described tee junction.
The removable plug being provided with for the corresponding opening of shutoff on the tee junction of described feed liquor pipeline end.
The utility model adopts technique scheme, back-flushing filtering device is provided with feed liquor pipeline and the fluid pipeline for being communicated with hydraulic test for being communicated with the supply opening of emulsion box, described backwash module is provided be arranged side by side along the bearing of trend of feed liquor pipeline more than two, the inlet of backwash module is respectively by corresponding feed tube and described feed liquor pipeline connection, the liquid outlet of each backwash module is respectively by corresponding drain pipe and described fluid pipeline connection, therefore, when a strainer in a certain backwash module carries out backwash, strainer in all the other strainers in this backwash module and other recoil modules is washed normally feed flow, guarantee for flow quantity, prevent that liquid supply pressure from declining, meanwhile, each backwash module is arranged side by side along the bearing of trend of feed liquor pipeline, and structure is neat, is convenient to installation and maintenance.
Accompanying drawing explanation
Fig. 1 is the front view of an embodiment of back-flushing filtering device for a kind of hydraulic system of the utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the schematic diagram that in Fig. 1, hydraulic system is used back-flushing filtering device.
The name that in figure, each Reference numeral is corresponding is called: 1 casing, 11 dividing plates, 2 backwash modules, 21 valve bodies, 22 strainers, 23 handles, 31 feed liquor pipelines, 311 tee junctions, 312 plugs, 32 fluid pipelines, 33 blowoff lines, 41 feed tubes, 42 drain pipes, 43 blow-off pipes.
The specific embodiment
A kind of hydraulic system of the utility model as shown in Fig. 1 ~ Fig. 3, is a kind of backwash filter station for hydraulic support with an embodiment of back-flushing filtering device, comprises casing 1, two backwash modules 2 and corresponding pipelines.Each backwash module 2 includes valve body 21, two strainers 22 and the handles 23 corresponding with each strainer 22, is equipped with the inlet that is communicated with for the outlet with corresponding high-pressure emulsification pump station, for the liquid outlet of high-pressure emulsion and the sewage draining exit of discharging for being mixed with the waste liquid of impurity are provided to coal excavation apparatus described in each on valve body 21; Described pipeline comprises feed liquor pipeline 31 for being communicated with the supply opening of emulsion box, for the fluid pipeline 32 being communicated with coal excavation apparatus and the blowoff line 33 being communicated with for the sewage draining exit with each backwash module 2.
Wherein casing 1 is cuboid, its inside is provided with the dividing plate 11 that casing 1 is divided into front and rear, the valve body 21 of each backwash module 2 and feed liquor pipeline 31 are all arranged on the front side of dividing plate 11, and fluid pipeline 32 and blowoff line 33 are all arranged on the rear side of dividing plate 11.The inlet of valve body 21 is arranged on valve body 21 belows, and liquid outlet and sewage draining exit are all arranged on the horizontal side of valve body 21.Described feed liquor pipeline 31 comprises two sections of feed liquor pipeline sections, between two sections of feed liquor pipeline sections and the end of the feed liquor pipeline section feed tube 41 that is respectively arranged with tee junction 311, two backwash modules 2 be all connected on described tee junction 311 and be communicated with feed liquor pipeline 31.The removable plug 312 being provided with for the corresponding opening of shutoff on the tee junction 311 of feed liquor pipeline 31 ends, can facilitate the expansion of feed liquor pipeline 31, if desired increase backwash module 2, plug 312 can be removed, and increase in addition one end feed liquor pipeline section and threeway is set; In addition, the form of employing tee junction 311 has facilitated the installation and removal of each backwash module 2, easy to maintenance.The inlet of each valve body 21 is connected on tee junction 311 by corresponding feed tube 41 respectively, and feed tube 41 arranges perpendicular to feed liquor pipeline 31.Dividing plate 11 is provided with drain pipe 42 perforation and blow-off pipe 43 perforation that supply respectively described drain pipe 42 and blow-off pipe 43 to pass, wherein drain pipe 42 perforation are corresponding with valve body 21 front and back, the bearing of trend of drain pipe 42 is vertical with dividing plate 11, blowoff line 33 is arranged on fluid pipeline 32 belows, and each blow-off pipe 43 all tilts to be connected between blow-off pipe 43 roads and corresponding sewage draining exit.
Structure and the prior art of backwash module 2 are basic identical, only the setting position of inlet, liquid outlet and sewage draining exit is different, two handles 23 import and the inlet of corresponding valve body 21 and being communicated with of liquid outlet of controlled filter device 22 respectively in each backwash module 2, during normal operation, by handle 23, drive the valve ball in valve body 21 to move to normal filtration position, the import of each backwash module 2 middle filtrators 22 is communicated with the inlet of valve body 21, emulsion can be filtered by four strainers 22 simultaneously, flow is large, can meet device requirement.If the filter core of pollutant blocking filter 22, inlet will increase to the pressure drop of liquid outlet, flow will reduce, now need to carry out backwash, to turn to backwash position with the handle 23 that wherein strainer 22 is corresponding, its excess-three only keeps normal filtration position, emulsion after its excess-three strainer 22 filters oppositely flows into from the outlet of this strainer 22, pollutant on filter core is oppositely rushed and discharged from sewage draining exit, realize online backwashing, due to the equal normal operation of its excess-three strainer 22, can guarantee hydraulic pressure, effectively avoided occurring that liquid supply pressure declines in backwash process.In addition, owing to being provided with dividing plate 11 in casing 1, respective line is separately positioned on front side and the rear side of dividing plate 11, so compact conformation, clean and tidy, and space connection and reasonable arrangement, takes up room little, easy access.
In the above-described embodiments, in casing 1, be provided with dividing plate 11, backwash module 2 is arranged on dividing plate 11, and feed liquor pipeline 31, fluid pipeline 32 and blowoff line 33 are arranged on the not homonymy of dividing plate 11, in other embodiment of the present utility model, also dividing plate 11 can be set, backwash module 2 is directly arranged side by side on casing 1, as long as connect corresponding feed tube 41 and drain pipe 42, the decline of pressure in the time of can avoiding backwash equally.In addition, in above-described embodiment, feed liquor pipeline 31 has adopted the arranged in form of multistage pipeline and tee junction 311, in other embodiments, feed liquor pipeline 31 also can replace to other forms, for example correspondence is respectively organized backwash module 2 a feed liquor pipeline 31 is set respectively, form feed liquor pipeline 31 bundles, and the quantity of backwash module 2 also can be arranged to more than three groups.
Claims (7)
1. a hydraulic system back-flushing filtering device, comprise the backwash module that is provided with valve body and strainer in groups, described valve body is provided with inlet, liquid outlet and sewage draining exit, it is characterized in that: also comprise feed liquor pipeline and the fluid pipeline for being communicated with hydraulic test for being communicated with the supply opening of emulsion box, described backwash module is provided be arranged side by side along the bearing of trend of feed liquor pipeline more than two, the inlet of each backwash module is respectively by corresponding feed tube and described feed liquor pipeline connection, the liquid outlet of each backwash module is respectively by corresponding drain pipe and described fluid pipeline connection.
2. a kind of hydraulic system back-flushing filtering device according to claim 1, it is characterized in that: described back-flushing filtering device comprises casing, in described casing, be provided with the dividing plate that casing is divided into front and rear, described valve body and feed liquor pipeline are arranged on the front side of dividing plate, described fluid pipeline is arranged on the rear side of dividing plate, and described dividing plate is provided with the drain pipe perforation of passing for described drain pipe.
3. a kind of hydraulic system back-flushing filtering device according to claim 2, is characterized in that: the bearing of trend of described drain pipe and described divider upright.
4. according to a kind of hydraulic system back-flushing filtering device described in claim 2 or 3, it is characterized in that: the rear side of described dividing plate is provided with blowoff line, the sewage draining exit of each backwash module is communicated with described blowoff line by corresponding blow-off pipe respectively, and described dividing plate is provided with the blow-off pipe perforation of passing for described blow-off pipe.
5. a kind of hydraulic system back-flushing filtering device according to claim 4, it is characterized in that: described liquid outlet and sewage outfalls setting are in the same side of described valve body horizontal direction, described blowoff line is arranged on fluid pipeline below, and described blow-off pipe is to be obliquely installed.
6. a kind of hydraulic system back-flushing filtering device according to claim 1, it is characterized in that: described feed liquor pipeline comprises two sections of above feed liquor pipeline sections and be connected to the tee junction between two sections of adjacent feed liquor pipeline sections, corresponding feed tube is to be connected on described tee junction.
7. a kind of hydraulic system back-flushing filtering device according to claim 6, is characterized in that: the removable plug being provided with for the corresponding opening of shutoff on the tee junction of described feed liquor pipeline end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420089043.7U CN203756212U (en) | 2014-02-28 | 2014-02-28 | Back flush filtering device for hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420089043.7U CN203756212U (en) | 2014-02-28 | 2014-02-28 | Back flush filtering device for hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203756212U true CN203756212U (en) | 2014-08-06 |
Family
ID=51251499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420089043.7U Expired - Lifetime CN203756212U (en) | 2014-02-28 | 2014-02-28 | Back flush filtering device for hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203756212U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533478A (en) * | 2014-12-19 | 2015-04-22 | 郑州煤矿机械集团股份有限公司 | Hydraulic system used for recycling emulsified liquid of coal face |
-
2014
- 2014-02-28 CN CN201420089043.7U patent/CN203756212U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533478A (en) * | 2014-12-19 | 2015-04-22 | 郑州煤矿机械集团股份有限公司 | Hydraulic system used for recycling emulsified liquid of coal face |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102223933B (en) | Water treatment methods | |
| CN101664613B (en) | Emulsion high-pressure automatic back-flushing filtering device | |
| CN102258898B (en) | Automatic backwashing liquid-returning filter | |
| CN216320316U (en) | Machine-mounted water filtering device capable of backwashing for heading machine | |
| CN202113672U (en) | Precision back-flushing filter | |
| CN203756212U (en) | Back flush filtering device for hydraulic system | |
| CN203548428U (en) | Mine back-flushing filtering device | |
| CN104014186A (en) | Back-flushing and filtering system | |
| CN203808227U (en) | Full-automatic underground construction wastewater lifting device | |
| CN201750970U (en) | Backflush type filter | |
| CN205503632U (en) | Emulsion recycling apparatus | |
| CN203139733U (en) | Backwashing diversion dirt remover | |
| CN203750281U (en) | Backwashing and filtering system | |
| CN109015105A (en) | A kind of cutting fluid management system | |
| CN111686486A (en) | Movable medium filtering device | |
| CN203990086U (en) | The chilled water (chw) liquid-solid separation device of methanol-to-olefins system | |
| CN201978569U (en) | Automatic back-washing liquid returning filter | |
| CN107449709A (en) | A kind of filter check device | |
| CN208811704U (en) | A kind of cutting fluid management system | |
| CN202237515U (en) | Reverse filter device with water supplementing function | |
| CN110711414B (en) | Double-bed medium filter | |
| CN113522028A (en) | Water supply ultrafiltration equipment with remote fault judgment device and fault judgment method | |
| CN102072224A (en) | High and low-pressure backwashing filter device for hydraulic bracket | |
| CN203220816U (en) | Filtering device | |
| CN211706124U (en) | High-pressure full-automatic modularized backwashing filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |
|
| CX01 | Expiry of patent term |