CN115898527A

CN115898527A - Underground water drainage system chamber of coal mine and construction method thereof

Info

Publication number: CN115898527A
Application number: CN202211340460.XA
Authority: CN
Inventors: 张官禹; 玉米提·尼加提; 孙成磊; 黄其文; 周光能; 许波; 向晓丹; 赵龙; 颜勇; 胡文宣; 李成
Original assignee: Yili Xinkuang Coal Industry Co ltd
Current assignee: Yili Xinkuang Coal Industry Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-04-04

Abstract

The invention relates to the technical field of underground chambers, and discloses an underground coal mine drainage system underground chamber which comprises an underground chamber body, wherein a precipitation cavity is integrally formed on the right side of the inner lower surface of the underground chamber body, a drainage cavity is integrally formed on the left side of the inner lower surface of the underground chamber body, a communicating pipe is fixedly communicated between the precipitation cavity and the drainage cavity, a guide rail is fixedly connected on the right side of the inner part of the precipitation cavity, a threaded rod is rotatably connected on the inner lower surface of the guide rail through a rotating shaft, the top end of the threaded rod penetrates through the top of the guide rail and is fixedly connected with a rotating block, and a threaded sleeve is in threaded connection with the outer side wall of the threaded rod; the sedimentation cavity is arranged, so that sewage drained into the chamber body can be drained into the drainage cavity after sedimentation, then drained by utilizing the drainage drill hole, and the problem that the sewage is easy to block as impurities in the sewage are directly drained through the drainage drill hole can be effectively prevented by settling the impurities in the sewage.

Description

Underground drainage system chamber of coal mine and construction method thereof

Technical Field

The invention relates to the technical field of chambers, in particular to a drainage system chamber under a coal mine and a construction method thereof.

Background

The underground chamber is a horizontal tunnel with large cross section and short length, which is not directly communicated with an earth surface outlet and is used for installing various devices and machines, storing materials and tools or being used for other special purposes, such as a machine repairing room, an explosive storeroom, a rest room and the like.

The traditional blasting method for constructing the coal bunker has the defects of high technical difficulty, high cost and long construction period, and when the existing drainage chamber is used, because mine sewage generally contains a plurality of impurities such as silt, fine pipelines, fine cotton yarns and the like, a water inlet of a drainage drilling hole is opened at the bottom plate of the drainage chamber, the sewage flows in the drainage chamber randomly after entering the drainage chamber, the sewage flows into the drainage drilling hole, the impurities directly flow into the drainage drilling hole, if the impurities are not removed in time, the drainage capability of the drainage drilling hole is reduced and even the drainage hole is blocked, because the depth of the drainage drilling hole is generally 50-200 m, the hole diameter is small, the impurities cannot be cleaned basically, the drainage capability of the drainage drilling hole is reduced, the drilling hole is scrapped, the water storage capability of the drainage chamber is further influenced, and the improvement is needed.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a underground coal mine drainage system chamber and a construction method thereof, and solves the problems in the background.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the underground drainage system chamber for the coal mine comprises a chamber body, wherein a precipitation cavity is integrally formed on the right side of the inner lower surface of the chamber body, a drainage cavity is integrally formed on the left side of the inner lower surface of the chamber body, a communicating pipe is fixedly communicated between the precipitation cavity and the drainage cavity, a guide rail is fixedly connected on the right side of the inner part of the precipitation cavity, a threaded rod is rotatably connected on the lower surface of the inner part of the guide rail through a rotating shaft, the top end of the threaded rod penetrates through the top of the guide rail and is fixedly connected with a rotating block, a threaded sleeve is in threaded connection with the outer side wall of the threaded rod and is positioned on the inner side of the guide rail and is in sliding connection with the guide rail, a connecting block is fixedly connected on the left side of the threaded sleeve, a penetrating movable groove is formed in the front surface of the connecting block, and a first U-shaped rod is in sliding connection with the inner side of the movable groove, the inside right side of activity groove with the right side of U-shaped pole one is laminated mutually, the inboard of drip chamber is provided with filter one, the inside of filter one is inlayed and is equipped with filter screen one, the right side fixedly connected with riser of filter one, the right side of riser with the left side of guide rail is laminated mutually, the connector has been seted up to the right side below of riser, the right-hand member of connecting block peg graft in the inboard of connector, and with a plurality of springs of fixedly connected with one between the inside left side of connector, the left side both ends of U-shaped pole one all with the right side fixed connection of riser, the left side integrated into one piece of filter one has the shrouding, the left side of shrouding with the inside left side of drip chamber is laminated mutually, the inside lower surface center department integrated into one piece of drainage chamber has the drainage drilling.

Preferably, the inboard lower surface of drip chamber is located the below of filter one is rotated through the pivot and is connected with and pushes away the water board, the right side that pushes away the water board rotates through the pivot and is connected with U-shaped pole two, the top of U-shaped pole two with the bottom fixed connection of riser, the upper surface right side integrated into one piece that pushes away the water board has the baffle, the top of baffle with the bottom right side of filter one is laminated mutually.

Preferably, a movable plugging plate is arranged on the lower surface of the inner side of the drainage cavity on the left side of the drainage drill hole, the lower surface of the movable plugging plate is provided with a transverse groove, the lower surface of the inner side of the drainage cavity is fixedly connected with a fixed block at the inner side of the transverse groove, the fixed block is connected with the transverse groove in a sliding way, a second spring is fixedly connected between the transverse groove and the opposite side of the fixed block, the right side of the upper surface of the movable plugging plate is provided with an inclined socket, the lower surface of the inner side of the drainage cavity is fixedly connected with a fixed plugging plate positioned on the right side of the drainage drill hole, the upper part of the right side of the movable plugging plate and the lower part of the left side of the fixed plugging plate are integrally formed with plugboards, inserting grooves are integrally formed below the right side of the movable plugging plate and above the left side of the fixed plugging plate, a second filter plate is clamped at the inner side of the drainage cavity, a second filter screen is embedded at the inner side of the second filter plate, an inclined inserting plate is integrally formed at the left side of the second filter plate, the bottom of the inclined inserting plate is inserted into the inner side of the inclined inserting hole, the lower surface of the inner side of the chamber body is fixedly connected with a box body positioned at the left side of the drainage cavity, the upper surface of the box body is provided with a moving groove, the inner side of the box body is connected with a moving block in a sliding way, the right end of the moving block penetrates through the right side of the box body, and a resisting plate is integrally formed, the bottom of the resisting plate is jointed with the upper surface of the inclined inserting plate, a third spring is fixedly connected between the opposite sides of the moving block and the box body, a push block is integrally formed above the left side of the moving block, the top of the push block penetrates through the moving groove, and with shifting chute sliding connection, the inside left side top in drainage chamber integrative formation has the breach.

Preferably, the front and the back of the upper surface of the second filter plate are fixedly connected with handles symmetrically.

Preferably, the inner side wall of the insertion groove is fixedly connected with a sealing gasket.

Preferably, the right side of the inclined insertion plate is fixedly connected with a rubber pad.

The underground water system chamber construction method of the coal mine is characterized in that: the coal bunker construction adopts a raise boring machine to drill 1 phi 1.2m gangue sliding holes in the central position of the coal bunker in advance, the underground chambers on the coal bunker are communicated, and then the construction scheme of brushing and building the short section of the coal bunker from top to bottom is carried out, and the method specifically comprises the following steps:

s1, constructing an upper opening of a coal bunker: vertically constructing 0.5m downwards by adopting an XE 35U-shaped excavator, enabling the diameter of an upper opening waste to be 3.9m, then expanding two sides, brushing and expanding the two sides to a bin body according to the horizontal angle of the wall of the roadway by 50 degrees, enabling the diameter of the bin body waste to be 8.9m, circularly advancing the bin to be 0.8m, enabling the grout spraying thickness to be 50mm, carrying out anchor net spraying and supporting once after brushing and excavating one cycle each time, carrying out the next cycle after the supporting is complete, preparing to build the upper opening of the coal bin when constructing to 4.479m, building a scaffold for construction to form a construction platform, binding reinforcing steel bars, stabilizing and erecting a template, pouring concrete, installing an upper opening steel beam, and laying a 3mm thick steel plate for sealing;

s2, constructing a bin body: the depth of the bin body is 18.971m, the diameter of the waste is 8.9m, the circulating footage is 0.8m, a 40NS excavator is adopted for short-section digging construction, the section height is 2m, anchor net spraying support is carried out after one cycle of brushing and digging each time, when the digging meets 2m, the digging is stopped, the bottom plate is leveled, concrete pouring permanent support is carried out, and the brushing and concrete pouring of the next cycle can be carried out after the digging is finished;

s3, constructing a lower necking and a coal feeder chamber: the method comprises the steps of adopting an XE 35U-shaped excavator to construct 6.51m vertically, enabling the diameter of a waste to be 8.9m and enabling the circulation to be 0.8m, carrying out anchor net spraying support after brushing and digging one circulation each time, constructing a coal feeder chamber after the necking-down construction is completed, carrying out steel bar binding and formwork supporting for pouring after the coal feeder chamber is constructed, continuously and integrally pouring concrete on the connecting part of the coal feeder chamber, binding the top of the chamber, the steel bars of a coal bunker leakage opening and a necking-down supporting formwork after the chamber wall concrete reaches a certain strength, simultaneously installing a reserved part and laying a coal distributor steel rail, and integrally and continuously pouring concrete once after the concrete is qualified through acceptance inspection.

Preferably, the coal bunker brush is constructed by adopting an XE 35U-shaped excavator from top to bottom, the north side of the coal bunker is constructed firstly, the north side is supported once after the construction is finished, the south side is excavated and supported once after the support is finished once, and the binding of reinforcing steel bars, formwork support and masonry are carried out when the construction reaches a section height of 2m, and the construction method specifically comprises the following steps:

s1, constructing a central drilling hole of a coal bunker by using a raise boring machine;

s2, installing lifting systems such as a winch and a fixed lifting pulley;

s3, constructing a coal bunker 4.479m from a bottom plate of the chamber at the top of the bunker, firstly carrying out primary support according to design requirements, and then carrying out permanent support;

s4, installing an upper fore shaft steel beam and laying a sealing plate from bottom to top;

s5, digging a short coal bunker from top to bottom, and performing primary anchor net support and reinforced concrete pouring;

s6, brushing the lower necking of the large coal bunker in a segmented mode, and performing temporary supporting;

s7, brushing a large coal feeder chamber;

s8, pouring the chamber of the coal feeder, the lower locking port, the hopper and the coal distributor, and combining the chamber and the hopper with the coal;

s9, pouring a lower lock opening inclined plane;

and S10, ending, checking and accepting and the like.

Preferably, in the coal bunker tunneling construction, gangue is scraped to a drilled coal bunker drill hole (a coal feeder is installed at the lower opening) with the diameter of 1.2m by an excavator and is conveyed to a 23-2 coal seam rubber belt conveyor main roadway belt through the coal bunker lower opening coal feeder.

Preferably, when the necking is formed in the construction process, a pedestrian passageway with the length multiplied by the width multiplied by the height =700 multiplied by 3479mm is reserved, and a ladder stand is installed for people to get on and off the coal bunker.

(III) advantageous effects

The invention provides a drainage system chamber under a coal mine and a construction method thereof, and the drainage system chamber has the following beneficial effects:

(1) The invention is convenient for discharging sewage discharged into the chamber body into the drainage cavity after precipitation through the arranged precipitation cavity, and then the sewage is discharged by utilizing the drainage drill hole, and the problem of blockage is easily caused by the fact that the sewage is directly discharged through the drainage drill hole through precipitation of sundries in the sewage can be effectively prevented.

(2) According to the invention, through the arrangement of the water pushing plate, the U-shaped rod II and the baffle plate, when the first filter plate is positioned below the sedimentation chamber, the baffle plate can isolate water at the sedimentation chamber on the left side of the baffle plate, and then when the first filter plate moves upwards, the water pushing plate can rotate and incline, so that sewage filtered by sedimentation at the sedimentation chamber is pushed to the left side of the sedimentation chamber and is discharged into the water discharging chamber through the communicating pipe to be discharged, and the auxiliary sewage discharge at the sedimentation chamber is more convenient.

(3) The invention can filter sundries in sewage discharged into the chamber body and not settled by the settling chamber through the second filter screen arranged at the drainage chamber, further prevent the blockage problem of the drainage drill hole, and utilize the movable plugging plate, the transverse groove, the fixed block, the second spring, the inclined socket, the fixed plugging plate, the plugging groove and the inclined plugging plate arranged, so that after the second filter screen is detached from the inner side of the drainage chamber, the inclined plugging plate can be separated from the inclined socket, so that under the pushing of the second spring, the movable plugging plate can move towards the fixed plugging plate, the plugging plate is clamped into the plugging groove, the top of the opening of the drainage drill hole is plugged, the problem that articles dropped by a detaching person fall into the drainage drill hole and are not easy to take out is solved, when the second filter screen is clamped into the drainage chamber, the movable plugging plate can be far away from the fixed plugging plate, the drainage drill hole is in an open state, the number of the drainage drill hole is convenient, and the movable plugging plate, the top of the second filter screen can be propped against the top of the fixed plugging plate, so that the second filter screen can not be stably mounted in the drainage chamber and the filter plate can not be more stably mounted in the drainage chamber.

(4) By the aid of the construction method, the problems that the initiating explosive devices are difficult to supply and are not suitable for blasting construction of the coal bunker are effectively solved, the coal bunker is constructed by innovatively using mechanical equipment, compared with blasting construction, the blasting construction method is safe, manual labor intensity is reduced, and the problem that dry ice blasting cost is high is solved.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the connecting structure of the vertical plate and the connecting block in the invention;

FIG. 3 is a schematic view of a first filter plate according to the present invention;

FIG. 4 is a schematic view of a second filter plate according to the present invention;

FIG. 5 is a schematic sectional view of the cartridge of the present invention;

FIG. 6 is an enlarged view of the structure at A of FIG. 1 according to the present invention;

fig. 7 is an enlarged schematic view of fig. 1 at B.

In the figure: 1. a chamber body; 2. a sedimentation chamber; 3. a drainage cavity; 4. a communicating pipe; 5. a guide rail; 6. a threaded rod; 7. rotating the block; 8. a threaded sleeve; 9. connecting blocks; 10. a movable groove; 11. A first U-shaped rod; 12. a first filter plate; 13. a first filter screen; 14. a vertical plate; 15. a connecting port; 16. a first spring; 17. closing the plate; 18. drilling for water drainage; 19. a water push plate; 20. a U-shaped rod II; 21. a baffle plate; 22. a movable plugging plate; 23. a transverse groove; 24. a fixed block; 25. a second spring; 26. an inclined socket; 27. fixing the plugging plate; 28. a plugboard; 29. inserting grooves; 30. A second filter plate; 31. a second filter screen; 32. inclining the inserting plate; 33. a box body; 34. a moving groove; 35. a moving block; 36. a resisting plate; 37. a third spring; 38. a push block; 39. a notch; 40. a handle; 41. a gasket; 42. and (7) a rubber pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 7, the present invention provides a technical solution: the underground drainage system chamber for the coal mine comprises a chamber body 1, a precipitation cavity 2 is integrally formed on the right side of the inner lower surface of the chamber body 1, a drainage cavity 3 is integrally formed on the left side of the inner lower surface of the chamber body 1, a communicating pipe 4 is fixedly communicated between the precipitation cavity 2 and the drainage cavity 3, a guide rail 5 is fixedly connected on the right side of the inner part of the precipitation cavity 2, the inner lower surface of the guide rail 5 is rotatably connected with a threaded rod 6 through a rotating shaft, the top end of the threaded rod 6 penetrates through the top of the guide rail 5 and is fixedly connected with a rotating block 7, the outer side wall of the threaded rod 6 is in threaded connection with a threaded sleeve 8, the threaded sleeve 8 is positioned on the inner side of the guide rail 5 and is in sliding connection with the guide rail 5, a filter plate 12 is arranged on the left side of the threaded sleeve 8, a filter plate 13 is embedded in the inner part of the filter plate 12, a vertical plate 14 is fixedly connected on the right side of the guide rail 10, a left side of the filter plate 14 is connected with a drainage port 15 in an integral manner, and a plurality of the filter plate 14 is arranged on the inner side of the left side of the filter plate 12, after the sediment is deposited, the sediment is discharged into the drainage cavity 3, then the sediment is discharged by utilizing the drainage drill hole 18, sundries in the sediment sewage can be effectively prevented, the sewage is directly discharged through the drainage drill hole 18, and the problem of blockage is easily caused, in addition, the guide rail 5 arranged at the position of the sediment cavity 2 is utilized, the threaded rod 6, the rotating block 7, the threaded sleeve 8, the connecting block 9, the movable groove 10, the U-shaped rod I11, the filter I12, the filter I13, the vertical plate 14, the connecting port 15 and the spring I16 are utilized, so that the filter I12 can be adjusted to ascend, the sediment and the sewage in the sediment cavity 2 are separated after being filtered by the filter I13, in addition, the filter I12 can be inclined after ascending to a certain position due to the low left side and the high right side of the sediment cavity 2, the filter I12 is convenient to be detached and cleaned, the sewage is separated at the lower part, and the sewage is separated at the lower part due to the fact that the sealing plate 17 is moved away from the right end of the communicating pipe 4, the sewage can be discharged into the drainage cavity 3, wherein the vertical plate 14 can isolate the sediment from the threaded rod 6, and the threaded rod can prevent the sediment from influencing the threaded sleeve 8 to ascend along the threaded sleeve.

Furthermore, the lower surface of the inner side of the settling chamber 2 is positioned below the first filter plate 12 and is rotatably connected with a water pushing plate 19 through a rotating shaft, the right side of the water pushing plate 19 is rotatably connected with a second U-shaped rod 20 through a rotating shaft, the top of the second U-shaped rod 20 is fixedly connected with the bottom of the vertical plate 14, a baffle 21 is integrally formed on the right side of the upper surface of the water pushing plate 19, and the top of the baffle 21 is attached to the right side of the bottom of the first filter plate 12.

Further, a movable plugging plate 22 is arranged on the lower surface of the inner side of the drainage cavity 3 and positioned on the left side of the drainage drilling hole 18, a transverse groove 23 is formed in the lower surface of the movable plugging plate 22, a fixed block 24 is fixedly connected to the lower surface of the inner side of the drainage cavity 3 and positioned on the inner side of the transverse groove 23, the fixed block 24 is in sliding connection with the transverse groove 23, a second spring 25 is fixedly connected between the transverse groove 23 and the opposite side of the fixed block 24, an inclined socket 26 is formed in the right side of the upper surface of the movable plugging plate 22, a fixed plugging plate 27 is fixedly connected to the lower surface of the inner side of the drainage cavity 3 and positioned on the right side of the drainage drilling hole 18, a plugging plate 28 is integrally formed above the right side of the movable plugging plate 22 and below the left side of the fixed plugging plate 27, a plugging groove 29 is integrally formed below the right side of the movable plugging plate 22 and above the left side of the fixed plugging plate 27, and a second filter plate 30 is clamped on the inner side of the drainage cavity 3, a second filter screen 31 is embedded in the inner side of the second filter plate 30, an inclined inserting plate 32 is integrally formed on the left side of the second filter plate 30, the bottom of the inclined inserting plate 32 is inserted into the inner side of the inclined inserting hole 26, a box body 33 is fixedly connected to the left side of the water discharge cavity 3 on the lower surface of the inner side of the chamber body 1, a moving groove 34 is formed on the upper surface of the box body 33, a moving block 35 is slidably connected to the inner side of the box body 33, the right end of the moving block 35 penetrates through the right side of the box body 33 and is integrally formed with a resisting plate 36, the bottom of the resisting plate 36 is attached to the upper surface of the inclined inserting plate 32, a third spring 37 is fixedly connected between the moving block 35 and the opposite side of the box body 33, a third push block 38 is integrally formed above the left side of the moving block 35, the top of the push block 38 penetrates through the moving groove 34 and is slidably connected with the moving groove 34, a notch 39 is integrally formed above the left side of the inside of the water discharge cavity 3, the second filter screen 31 arranged at the position of the water discharge cavity 3, the debris in the sewage discharged into the chamber body 1 and not precipitated by the precipitation chamber 2 can be filtered, the problem of blocking of the drainage drilling holes 18 is further solved, the movable plugging plate 22, the transverse groove 23, the fixing block 24, the second spring 25, the inclined socket 26, the fixed plugging plate 27, the plugging plate 28, the plugging groove 29 and the inclined plugging plate 32 are arranged, so that after the second filter plate 30 is detached from the inner side of the drainage chamber 3, the inclined plugging plate 32 can be separated from the inclined socket 26, under the pushing action of the second spring 25, the movable plugging plate 22 can move towards the fixed plugging plate 27, the plugging plate 28 is clamped into the plugging groove 29, the top of the opening of the drainage drilling hole 18 is plugged, the objects falling off by a detaching person are prevented when the second filter plate 30 is detached, the problem that the second filter plate 22 cannot be easily taken out is solved, after the second filter plate 30 is clamped into the drainage chamber 3, the movable plugging plate 22 can be far away from the fixed plugging plate 27, the drainage drilling hole 18 is in an open state, the number of the drainage drilling holes is convenient, the filter plate 33, the movable plugging plate 34, the movable plugging plate 35 and the spring block 32 can be stably mounted in the drainage chamber 30, the top of the second filter plate 30 can not be blocked, the movable block 30, the top of the movable block 30 can be stably mounted in the movable block 30, and the movable block 32 can be prevented from the gap.

Furthermore, the handle 40 is symmetrically and fixedly connected with the front and the back of the upper surface of the second filter plate 30, the handle is convenient to hold, and then the second filter plate 30 is conveniently pulled to be detached from the inner side of the drainage cavity 3.

Furthermore, the inner side wall of the insertion groove 29 is fixedly connected with a sealing gasket 41, so that the insertion plate 28 is more firmly inserted into the insertion groove 29, and the sealing performance is better.

Further, the right side fixedly connected with rubber pad 42 of slope picture peg 32 increases the frictional force between

slope picture peg

32 and 3 inboards in drainage chamber for the one side of two 30 filter is through slope picture peg 32 and the 3 inboard back in drainage chamber, under the pulling that receives two 25 springs, is difficult for along 3 rebound in drainage chamber, ensures then that two 30 filter install the drainage chamber 3 in the back, more stable.

s1, constructing an upper opening of a coal bunker: vertically constructing 0.5m downwards by adopting an XE 35U-shaped excavator, enabling the diameter of an upper opening to be 3.9m, then expanding two sides to brush and expand 2.979m to a bin body according to a horizontal angle of a roadway wall of 50 degrees, enabling the diameter of the bin body to be 8.9m, circularly advancing to 0.8m, enabling the grout spraying thickness to be 50mm, carrying out one-time anchor net spraying support after brushing and excavating one cycle each time, carrying out the next cycle after the support is complete, preparing to build an upper opening of a coal bin when constructing to 4.479m, building a scaffold for construction to form a construction platform, binding reinforcing steel bars, stabilizing templates, pouring concrete, installing upper opening steel beams, and laying 3 mm-thick steel plates for sealing;

Further, the big top-down of coal bunker brush adopts XE35U type excavator construction, and construction coal bunker north side earlier carries out a support after the north side construction is accomplished, once supports the completion after, excavates south side, carries out a support, ties up the reinforcing bar when being under construction to section height 2m, formwork, builds by laying bricks or stones, specifically includes following step:

s2, installing a winch, fixing a lifting pulley and other lifting systems;

s4, installing an upper locking steel beam and paving a sealing disc from bottom to top;

s6, brushing the lower necking of the large coal bunker in a sectional manner, and performing temporary support;

s7, brushing a large coal feeder chamber;

s8, pouring the chamber of the coal feeder, the lower locking port, the hopper and the coal distributor, and combining the chamber and the hopper;

s9, pouring a lower lock opening inclined plane;

and S10, ending, checking and accepting and the like.

Furthermore, in the coal bunker tunneling construction, gangue is scraped to a drilled coal bunker drill hole (a coal feeder is arranged at the lower opening) with the diameter of 1.2m by an excavator and is conveyed to a 23-2 coal seam rubber belt conveyor main roadway belt through the coal bunker lower opening coal feeder.

Furthermore, when the upper necking is constructed, a pedestrian passageway with the length multiplied by the width multiplied by the height =700 multiplied by 3479mm is reserved, and a ladder stand is installed for personnel to go up and down the coal bunker.

In conclusion, the working process of the invention is as follows: according to the invention, through the arranged precipitation cavity 2, sewage drained into the chamber body 1 is drained into the drainage cavity 3 after precipitation, then the sewage is drained by utilizing the drainage drill hole 18, and impurities in the sewage are precipitated, so that the problem that the sewage is directly drained through the drainage drill hole 18 to easily cause blockage can be effectively prevented, and the problem that the screw rod 6 and the drainage sleeve 6 rise along the screw rod can be prevented by utilizing the guide rail 5, the threaded rod 6, the rotating block 7, the threaded sleeve 8, the connecting block 9, the movable groove 10, the U-shaped rod I11, the filter plate I12, the filter screen I13, the vertical plate 14, the connecting port 15 and the spring I16 which are arranged at the precipitation cavity 2, so that the filter plate I12 can be adjusted to rise, the precipitate and the sewage in the precipitation cavity 2 are separated after being filtered by the filter screen I13, and the left side of the precipitation cavity 2 is low and the right side is high, so that the filter plate I12 can be inclined after rising to a certain position, the precipitate on the filter screen I13 can be conveniently removed and cleaned, the sewage separated below can be removed, and the threaded rod I14 can be prevented from the precipitate 6 from rising along the vertical plate 8.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Colliery is drainage system chamber in pit, including chamber body (1), its characterized in that: the utility model discloses a filter board, which is characterized in that a precipitation chamber (2) is integrally formed on the right side of the inner lower surface of a chamber body (1), a drainage chamber (3) is integrally formed on the left side of the inner lower surface of the chamber body (1), the precipitation chamber (2) is fixedly communicated with a communicating pipe (4) between the drainage chamber (3), a guide rail (5) is fixedly connected on the right side of the inner lower surface of the chamber body (1), a threaded rod (6) is rotatably connected on the inner lower surface of the guide rail (5) through a rotating shaft, the top end of the threaded rod (6) penetrates through the top of the guide rail (5), a rotary block (7) is fixedly connected on the outer side wall of the threaded rod (6) is in threaded connection with a threaded sleeve (8), the threaded sleeve (8) is positioned on the inner side of the guide rail (5) and is in sliding connection with the guide rail (5), a connecting block (9) is fixedly connected on the left side of the threaded sleeve (8), a movable groove (10) is formed on the front surface of the connecting block (9) in a penetrating manner, a U-shaped rod (11) is formed on the inner side of the movable groove (10) is in sliding connection with a U-shaped rod (11), a filtering plate (12) is arranged on the right side of the filter board (12), and a filtering plate (12) is arranged on the right side of a filtering plate (12) which is arranged on the inner side of the filtering plate (12), the right side of riser (14) with the left side of guide rail (5) is laminated mutually, connector (15) have been seted up to the right side below of riser (14), the right-hand member of connecting block (9) peg graft in the inboard of connector (15), and with a plurality of spring of fixedly connected with (16) between the inside left side of connector (15), the left side both ends of U-shaped pole (11) all with the right side fixed connection of riser (14), the left side integrated into one piece of filter (12) has shrouding (17), the left side of shrouding (17) with the inside left side of precipitation chamber (2) is laminated mutually, the inside lower surface center department integrated into one piece of drainage chamber (3) has drainage drilling (18).

2. The undermine drainage system chamber of claim 1, wherein: the inboard lower surface of drip chamber (2) is located the below of filter (12) is rotated through the pivot and is connected with and pushes away water board (19), the right side that pushes away water board (19) is rotated through the pivot and is connected with U-shaped pole two (20), the top of U-shaped pole two (20) with the bottom fixed connection of riser (14), the upper surface right side integrated into one piece that pushes away water board (19) has baffle (21), the top of baffle (21) with the bottom right side of filter (12) is laminated mutually.

3. The undermine drainage system chamber of claim 1, wherein: the inboard lower surface of drainage chamber (3) is located the left side of drainage drilling (18) is provided with movable closure plate (22), cross slot (23) have been seted up to the lower surface of activity closure plate (22), the inboard lower surface of drainage chamber (3) is located the inboard fixedly connected with fixed block (24) of cross slot (23), fixed block (24) with cross slot (23) sliding connection, cross slot (23) with common fixedly connected with spring two (25) between the opposite side of fixed block (24), slope socket (26) have been seted up on the upper surface right side of activity closure plate (22), the inboard lower surface of drainage chamber (3) is located the right side fixedly connected with fixed closure plate (27) of drainage drilling (18), the right side top of activity closure plate (22) with the left side below homogeneous body of fixed closure plate (27) forms socket (28), the right side below of activity closure plate (22) with the left side top homogeneous body of fixed closure plate (27) forms socket (29) forms socket (28), the inboard block 32 that the filter board (30) has two slopes, the inboard socket (32) inlays in the filter screen (30) and the inboard slope socket (32), the inboard lower surface of chamber body (1) is located the left side fixedly connected with box body (33) of drainage chamber (3), shifting chute (34) have been seted up to the upper surface of box body (33), the inboard sliding connection of box body (33) has movable block (35), the right-hand member of movable block (35) runs through the right side of box body (33), and integrated into one piece has offset plate (36), the bottom of offset plate (36) with the upper surface of slope picture peg (32) laminates mutually, movable block (35) with common fixedly connected with spring three (37) between the opposite side of box body (33), the left side top integrated into one piece of movable block (35) has ejector pad (38), the top of ejector pad (38) is passed shifting chute (34), and with shifting chute (34) sliding connection, the inside left side top integrated into one piece of drainage chamber (3) has breach (39).

4. The underground coal mine drainage system chamber as claimed in claim 3, wherein: and the front and the back of the upper surface of the second filter plate (30) are symmetrically and fixedly connected with handles (40).

5. The undermine drainage system chamber of claim 3, wherein: the inner side wall of the insertion groove (29) is fixedly connected with a sealing gasket (41).

6. The undermine drainage system chamber of claim 3, wherein: the right side of the inclined insertion plate (32) is fixedly connected with a rubber pad (42).

7. The underground water system chamber construction method of the coal mine is characterized in that: the coal bunker construction adopts a construction scheme that a raise boring machine drills 1 phi 1.2m waste rock sliding hole in the center of the coal bunker in advance, an upper chamber and a lower chamber of the coal bunker are communicated, and then short sections of the coal bunker are brushed and laid from top to bottom, and the construction scheme specifically comprises the following steps:

8. The method of claim 7, wherein the method comprises: the construction of the big top-down adoption XE35U type excavator of coal bunker brush, construction coal bunker north side earlier, carry out once after the north side construction is accomplished and strut, once strut after accomplishing, excavate south side, carry out once and strut, tie up the reinforcing bar when constructing to section height 2m, prop up the mould, build by laying bricks or stones, specifically include the following step:

s2, installing a winch, fixing a lifting pulley and other lifting systems;

s7, brushing a large coal feeder chamber;

s9, pouring a lower lock opening inclined plane;

and S10, ending, checking and accepting and the like.

9. The method of claim 7, wherein the method comprises: in the coal bunker tunneling construction, gangue is scraped to a drilled coal bunker drilling hole (a coal feeder is installed at the lower opening) with the diameter of 1.2m by an excavator and is conveyed to a 23-2 coal seam rubber belt conveyor main roadway belt through the coal bunker lower opening coal feeder.

10. The method of claim 7, wherein the method comprises: when the upper necking is constructed, a pedestrian passageway with the length multiplied by the width multiplied by the height =700 multiplied by 3479mm is reserved, and a ladder stand is installed for people to go up and down the coal bunker.