CN222033842U - Cooling liquid back flushing device of coal mining machine - Google Patents
Cooling liquid back flushing device of coal mining machine Download PDFInfo
- Publication number
- CN222033842U CN222033842U CN202420473518.6U CN202420473518U CN222033842U CN 222033842 U CN222033842 U CN 222033842U CN 202420473518 U CN202420473518 U CN 202420473518U CN 222033842 U CN222033842 U CN 222033842U
- Authority
- CN
- China
- Prior art keywords
- filter
- filter screen
- pipe
- cooling liquid
- mining machine
- 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.)
- Active
Links
- 239000000110 cooling liquid Substances 0.000 title claims abstract description 46
- 239000003245 coal Substances 0.000 title claims abstract description 26
- 238000005065 mining Methods 0.000 title claims abstract description 25
- 238000011010 flushing procedure Methods 0.000 title abstract description 35
- 239000002826 coolant Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 72
- 238000011001 backwashing Methods 0.000 claims description 16
- 239000010865 sewage Substances 0.000 claims description 9
- 239000012535 impurity Substances 0.000 abstract description 31
- 238000001914 filtration Methods 0.000 abstract description 30
- 230000000694 effects Effects 0.000 abstract description 11
- 239000007788 liquid Substances 0.000 abstract description 4
- 244000309464 bull Species 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 239000012809 cooling fluid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000002817 coal dust Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a back flushing device for cooling liquid of a coal mining machine. The coal-winning machine coolant liquid back flush device includes: the filter screen, the filter screen is installed inside the filter, install a plurality of helical blade in the filter screen, helical blade installs on the bull stick respectively on one side, helical blade opposite side respectively with filter screen inner wall contact. According to the cooling liquid back flushing device of the coal mining machine, provided by the utility model, the spiral blades are driven to rotate by utilizing the flowing impact pressure of cooling liquid, so that impurities on the surface of a filter screen are scraped, and the filtering efficiency and the filtering effect during filtering are improved.
Description
Technical Field
The utility model relates to the technical field of cleaning, in particular to a cooling liquid back flushing device of a coal mining machine.
Background
Coal is a basic energy material, the demand is great, a specialized coal mining machine is needed for mining the coal mine, and because the coal mining machine can generate a large amount of tiny solid particles in the working process, namely coal dust, the particles can be suspended in air or deposited on equipment, if the coal dust enters a cooling system, the particles can be mixed with cooling liquid, so that the cooling system is blocked, the cooling effect and the service life of the equipment are reduced, and therefore, the cooling liquid should be cleaned and replaced periodically when the coal mining machine is used, so that the cooling system is kept clean.
The cleaning of the cooling liquid of the coal mining machine usually adopts a back flushing mode, and is divided into two stages, wherein the first stage is that the filter screen intercepts impurities in water, the second stage is that the impurities on the filter screen are reversely flushed and discharged, but before the back flushing of the second stage is carried out, namely during the filtering of the first stage, the impurities are gradually attached to and block the filter screen, the filtering efficiency is gradually changed from high to low along with the increase of the impurities on the filter screen, and the filtering effect is also gradually deteriorated, so that the filtering effect and the filtering efficiency of the first stage are affected.
Therefore, it is necessary to provide a back flushing device for the cooling liquid of the coal mining machine to solve the technical problems.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model provides the cooling liquid back flushing device of the coal mining machine, which can better filter during the filtering process.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The coal-winning machine coolant liquid back flush device includes: the filter screen, the filter screen is installed inside the filter, install a plurality of helical blade in the filter screen, helical blade installs on the bull stick respectively on one side, helical blade opposite side respectively with filter screen inner wall contact.
Preferably, the spiral blade is respectively provided with a plurality of filtering holes, two ends of the rotating rod are respectively arranged on the fixing frame, and the fixing frames are respectively arranged on the fixing plates.
Preferably, the fixing plates are respectively arranged at the upper end and the lower end of the inner wall of the filter, the upper end of the filter is provided with a water inlet pipe, and one side of the filter is provided with a water outlet pipe.
Preferably, the lower end of the filter is connected with one end of a back flushing water pipe, the other end of the back flushing water pipe is connected with one end of a three-way ball valve, the three-way ball valve is arranged on the water inlet pipe, a water inlet is arranged at the upper end of the water inlet pipe, a drain pipe is connected to the lower end of the water inlet pipe, close to the three-way ball valve, and a first ball valve is arranged on the drain pipe.
Preferably, a second ball valve is arranged at one end of the backwash water pipe connected with the filter.
Preferably, the upper end and the lower end of the filter are respectively provided with an opening connected with the water inlet pipe and the backwashing water pipe, the joint of the filter and the water outlet pipe is provided with an opening, and the joint of the water inlet pipe and the sewage draining pipe is provided with an opening.
Preferably, a plurality of supporting legs are arranged at the lower end of the filter.
Compared with the prior art, the utility model has the following beneficial effects:
(1) According to the utility model, the spiral blades are arranged, and the spiral blades are driven to rotate by utilizing the flowing impact pressure of the cooling liquid, so that impurities on the surface of the filter screen are scraped off, the impurities in the filter screen are dynamically suspended, the blocking degree of the filter screen is reduced, and the filtering efficiency and the filtering effect during the filtering period are improved;
(2) The spiral blade is provided with a plurality of filtering holes, when the cooling liquid flows into the filter screen, the spiral blade is impacted to rotate and continuously passes through the filtering holes on the spiral blade, so that part of impurities are blocked on the spiral blade, and the effect of preliminary filtering of the cooling liquid is achieved;
(3) When the back washing machine is used for back washing, the spiral blades reversely rotate under the impact of the cooling liquid, and impurities attached to the filter screen are reversely scraped off, so that the impurities are easier to separate from the filter screen, the impurities are more conveniently discharged, and the back washing efficiency and effect are improved.
Drawings
FIG. 1 is a schematic perspective view of a back flushing device for cooling liquid of a coal mining machine;
FIG. 2 is a schematic diagram of a partial cross-sectional structure of a coal mining machine coolant backwash apparatus provided by the utility model;
FIG. 3 is a schematic diagram of a part of a back flushing device for cooling liquid of a coal mining machine;
Fig. 4 is a schematic diagram of a part of a back flushing device for the cooling liquid of the coal mining machine.
Wherein, the names corresponding to the reference numerals are: 100. a filter; 101. a water inlet; 102. three-way ball valve; 103. a water inlet pipe; 104. a water outlet pipe; 105. backwashing the water pipe; 106. a first ball valve; 107. a second ball valve; 108. a blow-down pipe; 109. support legs; 200. a filter screen; 300. a helical blade; 301. filtering holes; 302. a rotating rod; 400. a fixing frame; 401. and a fixing plate.
Detailed Description
The utility model will be further illustrated by the following description and examples, which include but are not limited to the following examples.
As shown in fig. 1 to 4, the back flushing device for the cooling liquid of the coal mining machine provided by the utility model comprises: the filter screen 200, filter screen 200 installs inside filter 100, installs a plurality of helical blade 300 in the filter screen 200, through setting up a plurality of helical blade 300, utilizes the flow impact pressure of coolant liquid, drives helical blade 300 and rotates, scrapes filter screen 200 surface impurity, makes the interior impurity dynamic suspension of filter screen 200, reduces filter screen 200 degree of blocking, improves filtration efficiency and filter effect during the filtration.
First embodiment:
As shown in fig. 2 to 4, the filter screen 200 is installed inside the filter 100, a plurality of spiral blades 300 are installed inside the filter screen 200, one sides of the spiral blades 300 are respectively installed on the rotating rods 302, the rotating rods 302 rotate along with the rotation of the spiral blades 300, the other sides of the spiral blades 300 are respectively contacted with the inner wall of the filter screen 200, during filtering, cooling fluid flows into the filter screen 200, along with the continuous inflow of cooling fluid, the spiral blades 300 rotate under the flowing impact pressure of the cooling fluid, one side of the spiral blades 300 contacted with the inner wall of the filter screen 200 continuously rotates around the inner wall of the filter screen 200 and scrapes off impurities on the filter screen 200, so that the impurities on the filter screen 200 are separated from the filter screen 200 and dynamically suspended inside the filter screen 200, thereby reducing the blocking degree of the filter screen 200 and improving the filtering efficiency and the filtering effect during filtering.
Second embodiment:
As shown in fig. 2-4, a plurality of filtering holes 301 are respectively formed on the spiral blade 300 for filtering impurities, two ends of the rotating rod 302 are respectively mounted on the fixing frame 400, the fixing frame 400 has fixing and limiting functions on the rotating rod 302, the fixing frame 400 is respectively mounted on the fixing plate 401, during filtering, cooling liquid continuously flows into the filter screen 200, when the spiral blade 300 is impacted to rotate, the cooling liquid continuously passes through the filtering holes 301 on the spiral blade 300, and part of impurities in the cooling liquid are blocked on the spiral blade 300, so that the effect of preliminary filtering of the cooling liquid is achieved.
Third embodiment:
As shown in fig. 1 to 3, the fixing plates 401 are respectively installed at the upper and lower ends of the inner wall of the filter 100, the water inlet pipe 103 is installed at the upper end of the filter 100, the cooling liquid enters the filter 100 from this, the water outlet pipe 104 is installed at one side of the filter 100, the filtered cooling liquid flows out of the filter 100 from this, when in use, the cooling liquid enters the filter screen 200 in the filter 100 through the water inlet pipe 103, the filter screen 200 blocks impurities in the cooling liquid on the inner wall of the filter screen 200, and simultaneously the cooling liquid flows into a closed cavity formed by the outer wall of the filter screen 200 and the inner wall of the filter 100 through the filter screen 200, and then flows out of the filter 100 from the water outlet pipe 104 on the filter 100.
Fourth embodiment:
As shown in fig. 1-4, the lower end of the filter 100 is connected with one end of a back flushing water pipe 105, during back flushing, a cooling liquid flows into the filter 100 from the port, the other end of the back flushing water pipe 105 is connected with one end of a three-way ball valve 102, the three-way ball valve 102 is arranged on a water inlet pipe 103, a handle of the three-way ball valve 102 is rotated to control the flow direction of the liquid, the cooling liquid flows into the water inlet pipe 103 or the back flushing water pipe 105, a water inlet 101 is arranged at the upper end of the water inlet pipe 103, the cooling liquid enters from the water inlet pipe, a sewage pipe 108 is connected with the lower end of the water inlet pipe 103 near the three-way ball valve 102, during back flushing, sewage with impurities is discharged from the water outlet, a first ball valve 106 is arranged on the sewage pipe 108 to control the opening and closing of the sewage pipe 108, a second ball valve 107 is arranged at the end of the back flushing water pipe 105 connected with the filter 100 to control the opening and closing of the lower end of the back flushing water pipe 105, the three-way ball valve 102 is rotated to close the water inlet pipe 103 and open the backwash water pipe 105, then the second ball valve 107 is rotated to open the lower end of the backwash water pipe 105, then the first ball valve 106 is rotated to open the drain pipe 108, the cooling liquid flows into the backwash water pipe 105 from the water inlet 101 through the three-way ball valve 102, then flows through the backwash water pipe 105 and flows through the second ball valve 107, and enters the lower end of the filter 100 from the lower end of the backwash water pipe 105, namely enters the filter screen 200, the cooling liquid backflushes the filter screen 200, the impurities remained in the inner wall of the filter screen 200 and suspended in the filter screen 200 are discharged from the upper end of the filter 100 through the first ball valve 106 by the drain pipe 108, at the same time, the spiral blades 300 in the filter screen 200 reversely rotate under the reverse impact of the cooling liquid and reversely scrape the impurities attached to the filter screen 200, so that the impurities are easier to separate from the filter screen 200 during backflushing, and the impurities are more convenient to discharge, the back flushing efficiency and effect are improved.
Fifth embodiment:
As shown in fig. 1, the upper and lower ends of the filter 100 are respectively provided with openings connected with the water inlet pipe 103 and the back flushing water pipe 105, so that the water inlet pipe 103 is communicated with the upper end of the filter 100, the lower end of the back flushing water pipe 105 is communicated with the lower end of the filter 100, the connection part of the filter 100 and the water outlet pipe 104 is provided with an opening, the water outlet pipe 104 is communicated with the side surface of the filter 100, the connection part of the water inlet pipe 103 and the sewage drain pipe 108 is provided with an opening, the sewage drain pipe 108 is communicated with the side wall of the water inlet pipe 103, and a plurality of support legs 109 are arranged at the lower end of the filter 100 and are used for supporting the filter 100.
The working principle of the cooling liquid back flushing device of the coal mining machine provided by the utility model is as follows:
Before filtering, the three-way ball valve 102 is rotated to close the upper end of the back flushing water pipe 105, the water inlet pipe 103 is opened, the first ball valve 106 is rotated to close the sewage drain pipe 108, the second ball valve 107 is rotated to close the lower end of the back flushing water pipe 105, during filtering, cooling liquid enters from the water inlet 101, then enters the water inlet pipe 103 through the three-way ball valve 102 and then enters the filter screen 200 in the filter 100, along with the flowing of the cooling liquid, the filter screen 200 blocks impurities in the cooling liquid on the inner wall of the filter screen 200, simultaneously, the helical blade 300 is rotated by the flowing impact pressure of the cooling liquid, one side of the helical blade 300, which is contacted with the inner wall of the filter screen 200, continuously rotates around the inner wall of the filter screen 200 and scrapes the impurities on the filter screen 200, so that the impurities on the filter screen 200 are separated from the filter screen 200, the impurities are dynamically suspended in the filter screen 200, and simultaneously, the cooling liquid continuously passes through the filter holes 301 on the helical blade 300, part of the impurities in the cooling liquid is blocked on the helical blade 300, the cooling liquid after being blocked by the filter holes 301 and the filter screen 200 flows into a closed cavity formed by the outer wall of the filter screen 200 and the inner wall of the filter 100, and then flows out of the filter 100 through the water outlet pipe 104 on the filter 100.
During back flushing, the three-way ball valve 102 is rotated to close the water inlet pipe 103 and open the back flushing water pipe 105, then the second ball valve 107 is rotated to open the lower end of the back flushing water pipe 105, and then the first ball valve 106 is rotated to open the drain pipe 108, so that the cooling liquid flows into the back flushing water pipe 105 from the water inlet 101 through the three-way ball valve 102, flows through the back flushing water pipe 105, flows into the lower end of the filter 100 through the lower end of the back flushing water pipe 105, namely into the filter screen 200, the cooling liquid back flushes the filter screen 200, and impurities remained in the inner wall of the filter screen 200 and suspended in the filter screen 200 are discharged from the upper end of the filter 100 through the first ball valve 106 and reversely rotated by the drain pipe 108 under the reverse impact of the cooling liquid, and the impurities adhered to the filter screen 200 are reversely scraped, so that the impurities are easier to separate from the filter screen 200 during back flushing and are discharged from the drain pipe 108.
The above embodiment is only one of the preferred embodiments of the present utility model, and should not be used to limit the scope of the present utility model, but all the insubstantial modifications or color changes made in the main design concept and spirit of the present utility model are still consistent with the present utility model, and all the technical problems to be solved are included in the scope of the present utility model.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420473518.6U CN222033842U (en) | 2024-03-12 | 2024-03-12 | Cooling liquid back flushing device of coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420473518.6U CN222033842U (en) | 2024-03-12 | 2024-03-12 | Cooling liquid back flushing device of coal mining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222033842U true CN222033842U (en) | 2024-11-22 |
Family
ID=93509305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420473518.6U Active CN222033842U (en) | 2024-03-12 | 2024-03-12 | Cooling liquid back flushing device of coal mining machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222033842U (en) |
-
2024
- 2024-03-12 CN CN202420473518.6U patent/CN222033842U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110812919A (en) | Backwashing device for sewage treatment equipment | |
| CN215387965U (en) | A abandon a class filter equipment for rainwater is collected | |
| CN100579625C (en) | A filter capable of removing suspended solids in water | |
| CN210674451U (en) | Intelligent backwashing prefilter | |
| CN222033842U (en) | Cooling liquid back flushing device of coal mining machine | |
| CN221906157U (en) | Full-automatic double-net sewage-discharging pre-filter | |
| CN221181836U (en) | Tee filter | |
| CN1471994A (en) | Backwash screen filter | |
| CN215480150U (en) | Filtration equipment for sewage treatment | |
| CN212549575U (en) | An activated carbon cleaning filter device with good adsorption effect | |
| CN210786457U (en) | ARZ rotary drum type precision filter | |
| CN219931103U (en) | Automatic rainwater collecting device for building energy-saving protection | |
| CN219462793U (en) | Inclined plate sedimentation tank | |
| CN217247395U (en) | A filter with double filter structure | |
| CN222723686U (en) | Automatic filter cleaning | |
| CN110393957A (en) | Automatic cleaning filter | |
| CN221244128U (en) | Secondary filter screen | |
| CN222151231U (en) | Quartz sand filter convenient for replacing filter element | |
| CN118001793B (en) | Continuous stirring multi-medium filtering device | |
| CN221319600U (en) | Autotrophic denitrification filter device for heavy filter material | |
| CN215195741U (en) | Rotary micro-filter | |
| CN217247232U (en) | Online back flush multilayer filter material sand filter column water purification filter | |
| CN222400462U (en) | Cooling water filtering device of continuous casting machine | |
| CN222550368U (en) | A water filtering device for angle valve | |
| CN219290813U (en) | Horizontal rotary drum sewage interception machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |