CN111852545A

CN111852545A - Coal mine drilling gas overrun-preventing device for drilling gas drainage

Info

Publication number: CN111852545A
Application number: CN202010688065.5A
Authority: CN
Inventors: 叶际平
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2020-10-30

Abstract

The invention discloses a coal mine drilling gas overrun-proof device for drilling gas drainage, which belongs to the technical field of coal mine drilling, and comprises a water removal tank, wherein the center of the outer wall of the top of a sealing plate is provided with a mounting groove, a sealing plug is movably inserted in the inner cavity of the mounting groove, the circumferential outer wall of a top cover is provided with a screw hole matched with a fixing bolt, the middle part of the outer wall of the bottom of the water removal tank is provided with a drainage device, one end of each of two groups of dust removal pipelines, which is opposite to each other, is sleeved with a connecting pipe, when the water level in the water removal tank rises, a floating ball is driven to rise, a movable plug is driven to rise to expose a drainage hole and drain water, after the water level falls, the movable plug drives the floating ball to fall to seal the drainage hole, the air tightness of the water removal tank is kept, the gas leakage is avoided, a water, and monitoring the water level change of the inner cavity of the water removal tank in real time.

Description

Coal mine drilling gas overrun-preventing device for drilling gas drainage

Technical Field

The invention relates to the technical field of coal mine drilling, in particular to a coal mine drilling gas overrun-preventing device for drilling gas drainage.

Background

In the process of gas drainage, even if a drainage device is arranged, the gas in a gas drainage pipe still contains a large amount of water vapor and water drops, and the water needs to be removed before the gas is conveyed out as an energy source, so that the safety of gas use is improved.

Disclosure of Invention

The invention aims to provide a coal mine drilling gas overrun-preventing device for drilling gas drainage, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a coal mine drilling gas overrun-proof device for drilling gas drainage comprises a water removal tank, wherein dust removal pipelines are arranged on the outer walls of the left side and the right side of the water removal tank, the left dust removal pipeline and the right dust removal pipeline are respectively an air inlet pipe and an air outlet pipe, a top cover, a sealing plate and a connecting ring are sequentially arranged on the top of the circumferential inner wall of the water removal tank from top to bottom, an upper sealing ring is fixedly arranged on the outer wall of the bottom of the sealing plate, an annular groove matched with the upper sealing ring is formed in the top of the connecting ring, the outer wall of the connecting ring is welded with the inner wall of the water removal tank, a mounting groove is formed in the center of the outer wall of the top of the sealing plate, a sealing plug is movably inserted into the inner cavity of the mounting groove and comprises a, remove water tank hoop outer wall top annular array and be equipped with three screws of group, screw thread cover is equipped with fixing bolt, top cap hoop outer wall be equipped with fixing bolt matched with screw, remove water tank bottom outer wall mid-mounting has drainage device, and is two sets of dust removal pipeline is all overlapped with the one end of carrying on the back mutually and is connected the pipe fitting, it is equipped with water level monitoring pipe to remove water tank right side outer wall and dust removal pipeline junction's below, water level monitoring pipe is the clear glass pipe.

Further, drainage device includes except that the mounting hole that water tank bottom outer wall center was equipped with, and the activity is pegged graft in the mounting hole has the installation pipe, the activity of installation intraductal cavity top is pegged graft and is had the activity stopper, activity stopper top fixed mounting has the lifter, lifter hoop outer wall top is equipped with the external screw thread, the outside wall top thread bush of lifter ring is equipped with the floater, the outlet has been seted up to the top annular array of installation pipe hoop outer wall and dewatering box junction, the fixed cover of installation pipe hoop outer wall bottom is equipped with the connecting plate, connecting plate bottom outer wall four corners all is equipped with the screw, and screw endotheca is equipped with the bolt, dewatering box bottom is equipped with the screw with bolt matched with.

Further, dust removal pipeline includes that the threaded sleeve establishes at the trunk line of water tank outer wall, trunk line inner chamber movable sleeve is equipped with the branch pipeline, branch pipeline annular outer wall left end is equipped with the flange, the flange is located trunk line left side outer wall, the flange is located the left side outer wall and is equipped with the screw, and the threaded sleeve is equipped with the screw in the screw, trunk line left side outer wall is equipped with the screw with screw matched with, two sets of filter layers about branch pipeline inner chamber is equipped with, trunk line bottom inner wall right side fixed mounting has the baffle.

Further, connect the pipe fitting and establish the connecting pipe at the dust removal pipeline outer wall including the movable sleeve, the fixed cover in connecting pipe hoop outer wall left side is equipped with the connection pad, connection pad right side outer wall four corners all is equipped with the screw, and the thread bush is equipped with the fixed screw in the screw, it is equipped with the screw with fixed screw matched with to remove the water tank outer wall, dust removal pipeline outer wall cover is equipped with the rubber circle, connecting pipe hoop inner wall left side is equipped with the chamfer with rubber circle matched with.

Further, the outer wall of one side opposite to the water removing box of the connecting plate is provided with a sealing groove, lower sealing rings are arranged in the two groups of sealing grooves, the lower sealing rings are positioned on the inner sides of the four groups of bolts, the outer wall of one side opposite to the water removing box of the connecting plate is provided with a sealing groove, the sealing grooves are provided with sealing rings, and the sealing rings are positioned on the inner sides of the four groups of fixing screws.

Further, the movable mounting ring that has pegged graft in the mounting groove, the dwang is installed through the bearing to the mounting ring inner chamber, the dwang bottom extends to except that the water tank inner chamber, the handle is installed at dwang right side outer wall top, dwang left side outer wall bottom is equipped with the connecting rod, the connecting rod left end articulates there is the scraper blade, the spring telescopic link is installed through the articulated elements in the left side of scraper blade top outer wall, the spring telescopic link right-hand member is articulated with dwang left side outer wall, the spring telescopic link is located the connecting rod top.

Compared with the prior art, the invention has the beneficial effects that:

1. the filter layer is mainly used for removing particles in gas, the baffle is fixedly arranged on the right side of the inner wall of the bottom of the main pipeline, and the baffle is used for preventing water in the inner cavity of the water removal tank from flowing through the gas inlet pipe to cause backflow and affecting the water removal effect on the gas;

2. remove when the water level in the water tank rises, can drive the floater and rise, the floater drives movable stopper and rises and makes the outlet expose, with the water discharge, and after the water level declined, movable stopper will drive the floater again and descend and seal the outlet, keep removing the gas tightness of water tank, avoid gas leakage, water level monitoring pipe is the clear glass pipe, with remove the water tank and communicate with each other, the water level of its inner chamber keeps level with the water level of removing the water tank inner chamber, real-time supervision removes the water level variation of water tank inner chamber.

Drawings

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

FIG. 2 is a schematic view of the structure of the drainage device of the present invention;

FIG. 3 is a schematic view of the dust removal duct of the present invention;

FIG. 4 is a schematic view of the connecting tube of the present invention;

FIG. 5 is a schematic view of the seal plate and mounting ring connection of the present invention;

fig. 6 is a schematic view of the sealing plug of the present invention.

In the figure: 1. removing the water tank; 2. a connecting ring; 3. a sealing plate; 4. a top cover; 5. fixing the bolt; 6. mounting grooves; 7. a sealing plug; 71. a plug; 72. a limiting block; 8. an upper sealing ring; 9. a drainage device; 91. installing a pipe; 92. a connecting plate; 93. a water drain hole; 94. a bolt; 95. a lower seal ring; 96. a sealing groove; 97. a movable plug; 98. a lifting rod; 99. a floating ball; 10. a dust removal pipeline; 101. a main pipeline; 102. dividing pipelines; 103. a filter layer; 104. a flange; 105. a screw; 106. a baffle plate; 11. a rubber ring; 12. connecting pipe fittings; 121. a connecting pipe; 122. a connecting disc; 123. fixing screws; 124. a seal ring; 125. chamfering; 13. sealing the groove; 14. a water level monitoring pipe; 15. rotating the rod; 16. a handle; 17. a spring telescopic rod; 18. a connecting rod; 19. a squeegee; 20. and (7) installing a ring.

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.

The invention provides a technical scheme that: a coal mine drilling gas overrun-preventing device for drilling gas drainage comprises a water removing tank 1, dust removing pipelines 10 are arranged on the outer walls of the left side and the right side of the water removing tank 1, the left dust removing pipeline 10 and the right dust removing pipeline 10 are respectively an air inlet pipe and an air outlet pipe, the air inlet pipe is lower than the air outlet pipe, gas can be conveniently discharged through the air outlet pipe on the right side, a top cover 4, a sealing plate 3 and a connecting ring 2 are sequentially arranged on the top of the circumferential inner wall of the water removing tank 1 from top to bottom, an upper sealing ring 8 is fixedly arranged on the outer wall of the bottom of the sealing plate 3, an annular groove matched with the upper sealing ring 8 is arranged on the top of the connecting ring 2, the air tightness of the water removing tank 1 is improved, gas leakage is avoided, the outer wall of the connecting ring 2 is welded with, the screw hole is internally threaded and sleeved with a fixing bolt 5, the annular outer wall of the top cover 4 is provided with a screw hole matched with the fixing bolt 5, the middle part of the outer wall at the bottom of the water removing tank 1 is provided with a drainage device 9, the drainage device 9 is used for draining water in the inner cavity of the water removing tank 1, one ends of two groups of dust removing pipelines 10, which are opposite to each other, are sleeved with connecting pipe fittings 12, a water level monitoring pipe 14 is arranged below the joint of the outer wall at the right side of the water removing tank 1 and the dust removing pipelines 10, the water level monitoring pipe 14 is a transparent glass pipe and is communicated with the water removing tank 1, the water level of the inner cavity of the;

Referring to fig. 2, the drainage device 9 includes a mounting hole disposed at the center of the outer wall at the bottom of the water removing tank 1, a mounting pipe 91 movably inserted into the mounting hole, a movable plug 97 movably inserted into the top of the inner cavity of the mounting pipe 91, a lifting rod 98 fixedly mounted on the top of the movable plug 97, an external thread disposed on the lifting rod 98 toward the top of the outer wall, a floating ball 99 threadedly sleeved on the top of the outer wall of the lifting rod 98, when the water level rises, the floating ball 99 will be driven to rise, the movable plug 97 will drive the movable plug 97 to rise to expose the water outlet 93, so as to drain the water, when the water level falls, the movable plug 97 will drive the floating ball 99 to fall to seal the water outlet 93, so as to maintain the air tightness of the water removing tank 1 and avoid the leakage of the gas, the water outlet 93 is disposed in an annular array above the joint of the outer wall of the mounting pipe, the screw hole is internally threaded and sleeved with a bolt 94, and the bottom of the dewatering box 1 is provided with a screw hole matched with the bolt 94, so that the assembly and disassembly are convenient;

referring to fig. 3, the dust removing pipe 10 includes a main pipe 101 threaded on the outer wall of the water removing tank 1, a branch pipe 102 is movably sleeved in the inner cavity of the main pipe 101, a flange 104 is arranged at the left end of the annular outer wall of the branch pipe 102, the flange 104 is arranged on the left outer wall of the main pipe 101, a screw hole is arranged on the left outer wall of the flange 104, a screw 105 is sleeved in the screw hole, the branch pipe 102 is convenient to take down for cleaning and replacing, a screw hole matched with the screw 105 is arranged on the left outer wall of the main pipe 101, a left filtering layer and a right filtering layer 103 are arranged in the inner cavity of the branch pipe 102, the filtering layers 103 are mainly used for removing particles in the gas, a baffle 106 is fixedly arranged on the right side of the inner wall at the bottom;

Referring to fig. 3, the connecting pipe 12 includes a connecting pipe 121 movably sleeved on the outer wall of the dust removing pipe 10, the connecting pipe 121 is fixedly sleeved with a connecting disc 122 towards the left side of the outer wall, four corners of the outer wall at the right side of the connecting disc 122 are respectively provided with a screw hole, a fixing screw 123 is sleeved in the screw hole, the outer wall of the water removing tank 1 is provided with a screw hole matched with the fixing screw 123, so that the assembly and disassembly are convenient, the outer wall of the dust removing pipe 10 is sleeved with a rubber ring 11, the connecting pipe 121 is provided with a chamfer 125 matched with the rubber ring 11 towards the left side;

referring to fig. 2-4, the outer walls of the connecting plate 92 opposite to the water removing tank 1 are provided with sealing grooves 96, lower sealing rings 95 are arranged in the two groups of sealing grooves 96, so that the air tightness of the connection between the mounting pipe 91 and the water removing tank 1 is improved, the lower sealing rings 8 are positioned at the inner sides of the four groups of bolts 94, the outer walls of the connecting disc 122 opposite to the water removing tank 1 are provided with sealing grooves 13, sealing rings 124 are arranged in the two groups of sealing grooves 13, and the sealing rings 124 are positioned at the inner sides of the four groups of fixing screws 123, so that the air tightness of;

referring to fig. 1-6, a mounting ring 20 is movably inserted into the mounting groove 6, a rotating rod 15 is mounted in the inner cavity of the mounting ring 20 through a bearing, the bottom of the rotating rod 15 extends to the inner cavity of the water removing tank 1, a handle 16 is mounted at the top of the outer wall of the right side of the rotating rod 15, a connecting rod 18 is arranged at the bottom of the outer wall of the left side of the rotating rod 15, a scraper 19 is hinged at the left end of the connecting rod 18, a spring telescopic rod 17 is mounted at the left side of the outer wall of the top of the scraper 19 through a hinged element, the spring telescopic rod 17 is a common elastic return structure and mainly plays a role of elastic support, the scraper 19 is convenient to insert so as to enable the scraper 19 to be tightly attached to the inner wall of the water removing tank 1, the right end of the spring telescopic rod 17 is hinged with the outer, sealing plug 7 inserts the stopper 71 of establishing the inner chamber of mounting groove 6 including the activity, and stopper 71 ring is equipped with three group's stoppers 72 to outer wall top hoop array, and 6 ring inner wall tops of mounting groove are equipped with the slot with stopper 72 matched with, mainly carry on spacingly to collar 20, collar 20 activity when avoiding rotatory dwang 15.

A use method of a coal mine drilling gas overrun-preventing device for drilling gas drainage comprises the following steps:

s1: firstly, inserting a connecting pipe fitting 12 into a dust removal pipeline 10, fixing the connecting pipe fitting 12 on the outer wall of a water removal tank 1 through a fixing screw 123, then inserting an installation pipe 91 into the bottom of the water removal tank 1, fixing the installation pipe 91 on the outer wall of the bottom of the water removal tank 1 through a bolt 94, sequentially inserting a sealing plate 3 and a top cover 4 into the water removal tank 1, and screwing in a fixing bolt 5 for fixing;

s2: the gas enters the inner cavity of the water removal tank 1 through the left dust removal pipeline 10, then the gas is discharged through the right dust removal pipeline 10, water vapor is left in the inner cavity of the water removal tank 1, the water level of the inner cavity of the water removal tank 1 rises at the moment, the floating ball 99 rises and drives the movable plug 97 to slide upwards to expose the water drainage hole 93, water is discharged, and after the water level falls, the movable plug 97 drives the floating ball 99 to fall to seal the water drainage hole 93, so that the air tightness of the water removal tank 1 is kept;

s3: when clearing up, take out installation pipe 91, top cap 4 and sealing plug 7, insert dwang 15 and scraper blade 19 again and remove 1 inner chamber of water tank, then collar 20 inserts in mounting groove 6, and scraper blade 19 is hugged closely except that the inner wall of 1 bottom of water tank, rotates dwang 15 this moment and can carry out the slagging-off.

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. The utility model provides a colliery drilling gas anti-overrun device for drilling gas drainage, includes except that water tank (1), it all is equipped with dust removal pipeline (10) to remove the water tank (1) left and right sides outer wall, controls two sets of dust removal pipeline (10) are intake pipe and outlet duct, its characterized in that respectively: the water removing device is characterized in that a top cover (4), a sealing plate (3) and a connecting ring (2) are sequentially arranged at the top of the circumferential inner wall of the water removing tank (1) from top to bottom, an upper sealing ring (8) is fixedly arranged on the outer wall at the bottom of the sealing plate (3), an annular groove matched with the upper sealing ring (8) is formed in the top of the connecting ring (2), the outer wall of the connecting ring (2) is welded with the inner wall of the water removing tank (1), a mounting groove (6) is formed in the center of the outer wall at the top of the sealing plate (3), a sealing plug (7) is movably inserted into the inner cavity of the mounting groove (6), the sealing plug (7) comprises a plug column (71) movably inserted into the inner cavity of the mounting groove (6), three groups of limiting blocks (72) are arranged in the circumferential array at the top of the circumferential outer wall of the plug column, screw internal thread cover is equipped with fixing bolt (5), top cap (4) hoop outer wall be equipped with fixing bolt (5) matched with screw, it has drainage device (9), two sets of to remove water tank (1) bottom outer wall mid-mounting the one end of carrying on the back mutually all overlaps and is connected pipe fitting (12) dust removal pipeline (10), it is equipped with water level monitoring pipe (14) to remove the below of water tank (1) right side outer wall and dust removal pipeline (10) junction, water level monitoring pipe (14) are the clear glass pipe.

2. The coal mine borehole gas over-limit prevention device for borehole gas drainage according to claim 1, wherein: the drainage device (9) comprises a mounting hole arranged at the center of the outer wall at the bottom of the water tank (1), a mounting pipe (91) is movably inserted in the mounting hole, the top of the inner cavity of the mounting tube (91) is movably inserted with a movable plug (97), the top of the movable plug (97) is fixedly provided with a lifting rod (98), an external thread is arranged on the lifting rod (98) towards the top of the outer wall, a floating ball (99) is sleeved on the lifting rod (98) towards the thread on the top of the outer wall, a water drainage hole (93) is arranged above the joint of the circumferential outer wall of the mounting pipe (91) and the water removal tank (1) in an annular array, the mounting pipe (91) is sleeved with a connecting plate (92) towards the bottom of the outer wall, four corners of the outer wall of the bottom of the connecting plate (92) are provided with screw holes, the screw holes are internally threaded and sleeved with bolts (94), the bottom of the water removal tank (1) is provided with a screw hole matched with the bolt (94).

3. The coal mine drilling gas over-limit prevention device for drilling gas drainage according to claim 2, wherein: dust removal pipeline (10) establish main pipeline (101) that removes water tank (1) outer wall including the screw thread cover, main pipeline (101) inner chamber activity cover is equipped with branch pipeline (102), branch pipeline (102) annular outer wall left end is equipped with flange (104), flange (104) are located main pipeline (101) left side outer wall, flange (104) are located the left side outer wall and are equipped with the screw, and screw thread bush is equipped with screw (105), main pipeline (101) left side outer wall is equipped with the screw with screw (105) matched with, two sets of filter layer (103) about branch pipeline (102) inner chamber is equipped with, main pipeline (101) bottom inner wall right side fixed mounting has baffle (106).

4. A coal mine borehole gas over-limit prevention apparatus for borehole gas drainage as defined in claim 3, wherein: connect pipe fitting (12) to establish connecting pipe (121) at dust removal pipeline (10) outer wall including the movable sleeve, connecting pipe (121) hoop outer wall left side is fixed to be equipped with connection pad (122), connection pad (122) right side outer wall four corners all is equipped with the screw, and screw internal thread cover is equipped with fixed screw (123), it is equipped with the screw with fixed screw (123) matched with to remove water tank (1) outer wall, dust removal pipeline (10) outer wall cover is equipped with rubber circle (11), connecting pipe (121) hoop inner wall left side is equipped with and encloses (11) matched with chamfer (125) with rubber.

5. The coal mine drilling gas over-limit prevention device for drilling gas drainage according to claim 4, wherein: connecting plate (92) all are equipped with seal groove (96) with the outer wall that removes water tank (1) relative side, are equipped with lower sealing washer (95) in two sets of seal grooves (96), lower sealing washer (85) are located the inboard of four groups of bolt (94), connection pad (122) all are equipped with sealed recess (13) with the outer wall that removes water tank (1) relative side, and two sets of be equipped with sealing washer (124) in sealed recess (13), sealing washer (124) are located four groups of set screw (123) inboardly.

6. The coal mine drilling gas over-limit prevention device for drilling gas drainage according to claim 5, wherein: mounting groove (6) internalization is pegged graft and is had collar (20), dwang (15) are installed through the bearing to collar (20) inner chamber, dwang (15) bottom extends to except that water tank (1) inner chamber, handle (16) are installed at dwang (15) right side outer wall top, dwang (15) left side outer wall bottom is equipped with connecting rod (18), connecting rod (18) left end is articulated to have scraper blade (19), spring telescopic link (17) are installed through the articulated elements in the left side of scraper blade (19) top outer wall, spring telescopic link (17) right-hand member is articulated with dwang (15) left side outer wall, spring telescopic link (17) are located connecting rod (18) top.