CN114949966A - Mine drainage device with double-filtering structure - Google Patents
Mine drainage device with double-filtering structure Download PDFInfo
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- CN114949966A CN114949966A CN202210891781.2A CN202210891781A CN114949966A CN 114949966 A CN114949966 A CN 114949966A CN 202210891781 A CN202210891781 A CN 202210891781A CN 114949966 A CN114949966 A CN 114949966A
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- double
- filter screen
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- 238000001914 filtration Methods 0.000 title claims abstract description 74
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 38
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 5
- 241001330002 Bambuseae Species 0.000 claims abstract description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 5
- 239000011425 bamboo Substances 0.000 claims abstract description 5
- 230000009977 dual effect Effects 0.000 claims abstract description 3
- 238000010276 construction Methods 0.000 claims description 2
- 241000973497 Siphonognathus argyrophanes Species 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 44
- 239000004575 stone Substances 0.000 abstract description 18
- 239000003245 coal Substances 0.000 abstract description 15
- 239000003818 cinder Substances 0.000 abstract description 12
- 239000002893 slag Substances 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 abstract 1
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 229910000859 α-Fe Inorganic materials 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 229910001566 austenite Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001039 duplex stainless steel Inorganic materials 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D41/00—Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids
- B01D41/04—Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids of rigid self-supporting filtering material
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2221/00—Applications of separation devices
- B01D2221/04—Separation devices for treating liquids from earth drilling, mining
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a mine drainage device with a double-filtering structure, and discloses a drainage device which can perform double filtering on falling crushed stones and coal slag by matching a filter screen in a filter screen frame with a non-woven fabric filter layer in a drainage cylinder, so as to prevent the falling crushed stones and the coal slag from falling into the drainage cylinder and blocking a drainage connecting pipe. Its characterized in that comprises main part subassembly, first filtering component and second filtering component, the main part subassembly comprises mounting panel, a drainage section of thick bamboo, drainage connecting pipe, connecting rod, support slide bar, net frame groove, supporting shoe, sliding block and spring, first filtering component comprises filter screen frame and filter screen, second filtering component comprises non-woven fabrics water filter layer, supporting connection board and a surge drum, filter screen cooperation non-woven fabrics water filter layer can carry out dual filtration to the rubble and the cinder of whereabouts, prevents that it from falling into and blocks up drainage connecting pipe in the drainage section of thick bamboo.
Description
Technical Field
The invention discloses a mine drainage device with a double-filtering structure, relates to a device for conducting drainage and drainage on a mine roadway roof when the mine roadway roof is subjected to water seepage, and belongs to the technical field of mine equipment.
Background
Mine tunnel roof infiltration is the phenomenon that roof local formation catchment district and production seepage under the effect in covering aquifer or rich water district at last, the seepage of roof water not only can cause the mining equipment corruption in the pit, pedestrian and material transport are inconvenient, still can influence the efficiency of construction of working face, under the long-term infiltration effect, can lead to the tunnel bottom plate to produce the pucking deformation to argillaceous bottom plate rock mass, and then influence the stability of two sides in tunnel and roof, harmfulness is great, consequently, need handle the water that the roof oozes, the drainage mode of adopting drainage is guide the roof infiltration to in the escape canal of tunnel both sides more at present, but current drainage device does not set up filtration mostly, in drainage in-process, colliery tunnel roof and piece that fall down block up drainage device's drain pipe easily and influence its drainage function.
Disclosure of Invention
In order to improve the condition, the invention provides a mine drainage device with a double-filtering structure, which is a drainage device for performing double filtering on falling crushed stones and coal slag through a filter screen in a filter screen frame matched with a non-woven fabric water filtering layer in a drainage cylinder so as to prevent the falling crushed stones and the coal slag from falling into the drainage cylinder to block a drainage connecting pipe.
The mine drainage device with the double-filtering structure is realized by the following steps: the invention relates to a mine drainage device with a double-filtering structure, which consists of a main body component, a first filtering component and a second filtering component,
the main body component consists of a mounting plate, a drainage cylinder, a drainage connecting pipe, a connecting rod, a supporting sliding cylinder, a supporting sliding rod, a net frame groove, a supporting block, a sliding block and a spring,
three connecting rods are arranged on the wall of the drainage tube along the circumferential direction at equal intervals,
preferably, the drainage cylinder is of a hemispherical structure,
preferably, one end of the connecting rod is connected with the wall of the drainage barrel, the other end of the connecting rod is bent in an arc shape with an included angle of 90 degrees and then vertically extends upwards,
the other end of the connecting rod is provided with a mounting plate, the mounting plate is provided with a reserved mounting hole,
the bottom of the drainage cylinder is provided with a drainage connecting pipe which is communicated with the drainage cylinder,
the inner wall of the drainage cylinder is provided with a ring of net frame groove,
preferably, the net frame groove is positioned at the opening of the drainage barrel,
four groups of supporting sliding cylinders are arranged in the drainage cylinder, one group of supporting sliding cylinders consists of two supporting sliding cylinders,
preferably, the supporting sliding cylinders are positioned at the bottom of the drainage cylinder, four groups of the supporting sliding cylinders are distributed in the drainage cylinder at equal intervals along the circumferential direction, two supporting sliding cylinders in the same group are arranged at equal intervals along the diameter direction of the cross section of the drainage cylinder,
a spring is arranged in the supporting sliding barrel, the sliding block can be arranged in the supporting sliding barrel in a sliding way, one end of the spring is connected with the bottom of the supporting sliding barrel, the other end of the spring is connected with one surface of the sliding block,
preferably, the edge of the sliding block is contacted with the inner wall of the supporting sliding barrel,
a supporting slide bar is arranged on the other surface of the slide block,
preferably, one end of the supporting slide rod is slidably positioned in the supporting slide cylinder,
one end of the supporting slide bar is connected with the slide block, the other end of the supporting slide bar extends out of the supporting slide cylinder and extends outwards, the other end of the supporting slide bar is provided with a supporting block,
preferably, the supporting block is of a semi-spherical structure,
the first filtering component consists of a filtering screen frame and a filtering screen,
the filter screen frame is detachably arranged in the screen frame groove, a filter screen is arranged in the filter screen frame,
the second filtering component consists of a non-woven fabric water filtering layer, a supporting connecting plate and a collecting cylinder,
four supporting connection plates are arranged on the wall of the collecting cylinder at equal intervals along the circumferential direction,
preferably, the collecting cylinder is of a hemispherical structure, the collecting cylinder is positioned in the middle of the drainage cylinder,
preferably, the supporting and connecting plate is positioned at the opening of the collecting cylinder,
one end of the supporting connecting plate is connected with the wall of the collecting cylinder, the other end is connected with the inner wall of the drainage cylinder,
preferably, the support connecting plate and the central line of the collecting cylinder extend obliquely upwards at an obtuse included angle,
a non-woven fabric water filtering layer is arranged between two adjacent supporting and connecting plates,
preferably, the four non-woven fabric water filtering layers are in one-to-one correspondence with the four groups of supporting blocks, and the non-woven fabric water filtering layers are in contact with the corresponding supporting blocks.
Has the beneficial effects.
Firstly, can carry out the double filtration to the rubble and the cinder of whereabouts, prevent that it from blockking up the drainage connecting pipe in falling into a drainage section of thick bamboo.
And secondly, the filter screen frame is convenient to disassemble, and the broken stones and coal cinder in the filter screen and the collecting barrel are convenient to clean.
Drawings
Fig. 1 is a perspective view of a mine drainage apparatus having a double filtering structure according to the present invention;
FIG. 2 is a schematic diagram of a mine drainage device having a dual filtration configuration in accordance with the present invention;
fig. 3 is a schematic structural view of a mine drainage apparatus having a double filtering structure of the present invention, which shows only the internal structure of a supporting slide.
In the attached drawings
Wherein the method comprises the following steps: the water drainage device comprises a filter screen frame 1, a filter screen 2, a mounting plate 3, a water drainage barrel 4, a water drainage connecting pipe 5, a connecting rod 6, a non-woven fabric water filtering layer 7, a supporting sliding barrel 8, a supporting connecting plate 9, a collecting barrel 10, a supporting sliding rod 11, a supporting block 12, a screen frame groove 13, a sliding block 14 and a spring 15.
The specific implementation mode is as follows:
the invention relates to a mine drainage device with a double-filtration structure, which consists of a main body component, a first filtration component and a second filtration component,
the main body component consists of a mounting plate 3, a drainage cylinder 4, a drainage connecting pipe 5, a connecting rod 6, a supporting slide cylinder 8, a supporting slide rod 11, a net frame groove 13, a supporting block 12, a slide block 14 and a spring 15,
three connecting rods 6 are arranged on the wall of the drainage tube 4 along the circumferential direction at equal intervals,
preferably, the drain cylinder 4 has a hemispherical structure,
preferably, one end of the connecting rod 6 is connected with the wall of the water discharge tube 4, the other end of the connecting rod is bent in an arc shape with an included angle of 90 degrees and then vertically extends upwards,
the other end of the connecting rod 6 is provided with a mounting plate 3, the mounting plate 3 is provided with a reserved mounting hole,
the bottom of the drainage cylinder 4 is provided with a drainage connecting pipe 5, the drainage connecting pipe 5 is communicated with the drainage cylinder 4,
the inner wall of the drainage cylinder 4 is provided with a ring of net frame groove 13,
preferably, the net frame groove 13 is positioned at the opening of the drainage cylinder 4,
four groups of supporting sliding cylinders 8 are arranged in the drainage cylinder 4, one group of supporting sliding cylinders 8 consists of two supporting sliding cylinders 8,
preferably, the supporting sliding cylinders 8 are positioned at the bottom of the drainage cylinder 4, four groups of the supporting sliding cylinders 8 are equidistantly distributed in the drainage cylinder 4 along the circumferential direction, two supporting sliding cylinders 8 in the same group are equidistantly arranged along the diameter direction of the cross section of the drainage cylinder 4,
a spring 15 is arranged in the supporting sliding barrel 8, a sliding block 14 is arranged in the supporting sliding barrel 8 in a sliding way, one end of the spring 15 is connected with the barrel bottom of the supporting sliding barrel 8, the other end is connected with one surface of the sliding block 14,
preferably, the edge of the sliding block 14 is in contact with the inner wall of the supporting sliding barrel 8,
the other side of the sliding block 14 is provided with a supporting sliding rod 11,
preferably, one end of the supporting slide rod 11 is slidably located in the supporting slide cylinder 8,
one end of the supporting slide bar 11 is connected with the slide block 14, the other end extends out of the supporting slide cylinder 8 and extends outwards, the other end of the supporting slide bar 11 is provided with a supporting block 12,
preferably, the supporting block 12 has a semi-spherical structure,
the first filtering component consists of a filtering screen frame 1 and a filtering screen 2,
the filter screen frame 1 is detachably arranged in the screen frame groove 13, a filter screen 2 is arranged in the filter screen frame 1,
the second filtering component consists of a non-woven fabric water filtering layer 7, a supporting connecting plate 9 and a collecting cylinder 10,
four supporting connection plates 9 are arranged on the wall of the collecting cylinder 10 at equal intervals along the circumferential direction,
preferably, the collecting cylinder 10 is of a hemispherical structure, the collecting cylinder 10 is located at the middle position in the drain cylinder 4,
preferably, the supporting and connecting plate 9 is positioned at the nozzle of the collecting cylinder 10,
one end of the supporting connecting plate 9 is connected with the wall of the collecting cylinder 10, the other end is connected with the inner wall of the drainage cylinder 4,
preferably, the central lines of the supporting connecting plate 9 and the collecting cylinder 10 extend obliquely upwards at an obtuse included angle,
a non-woven fabric water filtering layer 7 is arranged between two adjacent supporting and connecting plates 9,
preferably, the four non-woven fabric water filtering layers 7 correspond to four groups of supporting blocks 12 one by one, and the non-woven fabric water filtering layers 7 are in contact with the corresponding supporting blocks 12;
preferably, the drainage cylinder 4 is made of an austenite-ferrite duplex stainless steel material, is stainless steel with austenite and ferrite tissues accounting for half of each, has the characteristics of both austenite and ferrite stainless steel, and has higher plasticity and toughness, no room temperature brittleness, and remarkably improved intergranular corrosion resistance and welding performance compared with a ferrite stainless steel; meanwhile, the high-strength stainless steel has the characteristics of superplasticity and the like, and compared with austenitic stainless steel, the high-strength stainless steel has the advantages that the strength is high, the intergranular corrosion resistance and the double-fermented chloride corrosion resistance are obviously improved;
when in use, the mine drainage device is firstly installed at the water seepage position of the mine roadway roof through the installation plate 3, the drainage connecting pipe 5 is communicated with the drainage pipe, the drainage pipe is fixed along the mine roadway roof and the roadway side wall through a buckle and extends to the mine drainage tank, water seeped from the roof falls into the drainage cylinder 4 and then flows into the drainage tank through the drainage connecting pipe 5 and the drainage pipe for drainage, the filter screen 2 in the filter screen frame 1 can carry out primary filtration on large broken stones falling down, the non-woven fabric water filtering layer 7 in the drainage cylinder 4 can carry out secondary filtration on small broken stones falling down, and the small broken stones and coal slag filtered can naturally slide into the collection cylinder 10 along the non-woven fabric water filtering layer 7 under the action of gravity to be collected so as to avoid accumulation on the non-woven fabric water filtering layer 7 and cause overlarge bearing and damage of the non-woven fabric water filtering layer 7, the falling broken stones and coal slag are prevented from falling into the drainage cylinder 4 to block the drainage connecting pipe 5 through double filtration; when the crushed stone and coal cinder on the filter screen 2 and the non-woven fabric water filtering layer 7 are accumulated to a certain amount and need to be cleaned, taking the filter screen frame 1 out of the screen frame groove 13 to clean the large crushed stone on the filter screen 2, and meanwhile cleaning the small crushed stone and coal cinder in the collecting cylinder 10;
the drainage cylinder 4 is designed to be of a hemispherical structure, so that seepage water of a mine roadway roof can be collected conveniently and then is discharged from the drainage connecting pipe 5;
the design that the net frame groove 13 is positioned at the opening of the drainage cylinder 4 can facilitate the disassembly of the filter screen frame 1, and further clean broken stones and coal cinder in the filter screen 2 and the collection cylinder 10;
the design that the edge of the sliding block 14 is contacted with the inner wall of the supporting sliding cylinder 8 can ensure that the supporting sliding rod 11 slides more stably in the supporting sliding cylinder 8 and cannot shake left and right to influence the supporting of the supporting block 12 on the non-woven fabric water filtering layer 7;
the supporting block 12 is in a semicircular structure design, so that the contact surface of the supporting block 12 and the non-woven fabric water filtering layer 7 falls circularly, and the non-woven fabric water filtering layer 7 cannot be damaged;
the design that the central lines of the supporting connecting plates 9 and the collecting cylinder 10 form an obtuse included angle and extend upwards in an inclined mode enables small crushed stones and coal cinder subjected to secondary filtration to naturally slide into the collecting cylinder 10 along the non-woven fabric water filtering layer 7 to be collected, and the non-woven fabric water filtering layer 7 is prevented from being accumulated to cause damage due to overlarge bearing of the non-woven fabric water filtering layer 7;
the drainage cylinder 4 is matched with the drainage connecting pipe 5, so that seepage water of a mine roadway roof can be collected and drained into a drainage ditch;
the supporting connecting plate 9 is matched with the collecting cylinder 10, so that the non-woven fabric water filtering layer 7 can be supported, the non-woven fabric water filtering layer 7 is prevented from being stressed to deform greatly due to the fact that small broken stones and coal cinder fall on the non-woven fabric water filtering layer 7, meanwhile, the small broken stones and the coal cinder on the non-woven fabric water filtering layer 7 can be collected through the collecting cylinder 10, the bearing of the non-woven fabric water filtering layer 7 is reduced, and the non-woven fabric water filtering layer 7 is prevented from being damaged;
the supporting sliding cylinder 8, the spring 15 and the sliding block 14 are matched with each other, so that the supporting sliding rod 11 can slide in the supporting sliding cylinder 8, and the non-woven fabric water filtering layer 7 is elastically buffered through the supporting block 12, and the non-woven fabric water filtering layer 7 is prevented from being damaged due to large deformation under stress;
the filter screen 2 is matched with a non-woven fabric water filtering layer 7, so that falling broken stones and coal cinder can be subjected to double filtration, and the broken stones and the coal cinder are prevented from falling into the drainage cylinder 4 to block the drainage connecting pipe 5;
reach and carry out double filtration to the rubble and the cinder of whereabouts through the non-woven fabrics drainage layer 7 in the filter screen 2 cooperation drainage cylinder 4 in the filter screen frame 1, prevent that it from falling into the purpose of blockking up drainage connecting pipe 5 in the drainage cylinder 4.
It should be noted that, unless otherwise specifically stated or limited, the terms "disposed on," "mounted," "connected" and "connected" are to be construed broadly and may include, for example, a fixed connection such as a crimped connection, a riveted connection, a pinned connection, an adhesive connection, a welded connection, a detachable connection such as a threaded connection, a snap connection, a hinged connection, an integral connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above embodiments are preferred embodiments of the present invention, and the applicant does not add other embodiments for the sake of brevity, but this is not intended to limit the scope of the practice of the present invention. It will be appreciated by those skilled in the art that changes may be made without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.
Claims (10)
1. A mine drainage device with a double-filtering structure is characterized in that: the filter element comprises a main body component, a first filter component and a second filter component, wherein the main body component comprises a mounting plate (3), a drainage cylinder (4), a drainage connecting pipe (5), connecting rods (6), supporting sliding cylinders (8), supporting sliding rods (11), net frame grooves (13), supporting blocks (12), sliding blocks (14) and springs (15), three connecting rods (6) are arranged on the wall of the drainage cylinder (4) at equal intervals along the circumferential direction, the mounting plate (3) is arranged at the other end of each connecting rod (6), a reserved mounting hole is formed in each mounting plate (3), the drainage connecting pipe (5) is arranged at the bottom of the drainage cylinder (4), the drainage connecting pipe (5) is communicated with the drainage cylinder (4), a circle of net frame grooves (13) are formed in the inner wall of the drainage cylinder (4), four groups of supporting sliding cylinders (8) are arranged in each drainage cylinder (4), and one group of the supporting sliding cylinders (8) consists of two supporting sliding cylinders (8), it has spring (15) to support slide cartridge (8) built-in, and sliding block (14) slidable arranges in and supports slide cartridge (8), spring (15) one end is connected at the bottom of support slide cartridge (8) the bobbin, and the other end is connected with sliding block (14) one side, support slide bar (11) have been put to sliding block (14) another side, support slide bar (11) one end slidable is located and supports slide cartridge (8), support slide bar (11) one end and sliding block (14) and be connected, the other end stretches out and supports slide cartridge (8) and outwards extend, support block (12) have been put to support slide bar (11) the other end, first filter assembly comprises filter screen frame (1) and filter screen (2), and filter screen frame (1) detachable arranges in screen frame groove (13), filter screen frame (1) embeds there is filter screen (2), second filter assembly is by non-woven fabrics filter layer (7), Support connection board (9) and surge drum (10) are constituteed, have put four support connection board (9) along circumference equidistance on surge drum (10) section of thick bamboo wall, support connection board (9) are located surge drum (10) tube mouth department, support connection board (9) one end is connected with surge drum (10) section of thick bamboo wall, and the other end is connected with drainage tube (4) inner wall, has put non-woven fabrics drainage layer (7) between two adjacent support connection board (9), four non-woven fabrics drainage layer (7) and four supporting shoe (12) one-to-one of group, non-woven fabrics drainage layer (7) and supporting shoe (12) that correspond contact.
2. A mine drainage device with a double filter structure as claimed in claim 1, wherein the drainage cartridge (4) is of a hemispherical structure.
3. The mine drainage device with the double-filtration structure as claimed in claim 1, wherein one end of the connecting rod (6) is connected with the wall of the drainage tube (4), and the other end of the connecting rod extends vertically upwards after being bent in an arc shape with an included angle of 90 degrees.
4. A mine drainage device with a double filter structure as claimed in claim 1, wherein the mesh frame groove (13) is located at the nozzle of the drainage tube (4).
5. The mine drainage device with the double filtering structure according to claim 1, characterized in that the supporting slide cylinders (8) are positioned at the bottom of the drainage cylinder (4), four groups of the supporting slide cylinders (8) are equally distributed in the drainage cylinder (4) along the circumferential direction, and two supporting slide cylinders (8) in the same group are equally arranged along the diameter direction of the cross section of the drainage cylinder (4).
6. A mine drainage device with double filtration according to claim 1, characterized in that the edges of the sliding blocks (14) are in contact with the inner wall of the supporting slide (8).
7. A mine drainage device with dual filtration according to claim 1, wherein the support block (12) is of hemispherical construction.
8. A mine drainage device with double filtration according to claim 1, characterized in that the collecting vessel (10) is of hemispherical structure.
9. A mine drainage device with a double filter structure as claimed in claim 8, wherein the collecting cylinder (10) is located at a central position in the drainage cylinder (4).
10. A mine drainage device with a double filter structure as claimed in claim 1, wherein the support web (9) and the centre line of the collector (10) extend obliquely upwards at an obtuse angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210891781.2A CN114949966A (en) | 2022-07-27 | 2022-07-27 | Mine drainage device with double-filtering structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210891781.2A CN114949966A (en) | 2022-07-27 | 2022-07-27 | Mine drainage device with double-filtering structure |
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| Publication Number | Publication Date |
|---|---|
| CN114949966A true CN114949966A (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210891781.2A Pending CN114949966A (en) | 2022-07-27 | 2022-07-27 | Mine drainage device with double-filtering structure |
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| CN (1) | CN114949966A (en) |
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| CN216714469U (en) * | 2022-02-18 | 2022-06-10 | 程宏波 | Double-deck drainage device of tunnel roof infiltration |
| CN216894452U (en) * | 2022-03-31 | 2022-07-05 | 王帅华 | Waterproof guiding device of colliery roof |
| CN114748904A (en) * | 2022-04-02 | 2022-07-15 | 南京晓庄学院 | Automatic reaction kettle device for chemical industry |
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