CN216642192U

CN216642192U - Eight-hole water drainage device of kilometer drilling machine

Info

Publication number: CN216642192U
Application number: CN202123085087.1U
Authority: CN
Inventors: 崔振; 陈沁东; 牛卫兵; 王冰; 司飞
Original assignee: Jinneng Holding Equipment Manufacturing Group Co Ltd Sihe Coal Mine
Current assignee: Jinneng Holding Equipment Manufacturing Group Co Ltd Sihe Coal Mine
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-05-31
Anticipated expiration: 2031-12-10

Abstract

The utility model belongs to the field of gas drilling water drainage devices, and particularly relates to an eight-hole water drainage device of a kilometer drilling machine; the gas collecting device comprises a gas collecting cylinder at the upper part and a water collecting cylinder at the lower part, wherein eight pipe joints are distributed at the top part of the gas collecting cylinder, two pipe joints are main pipeline joints, and six pipe joints are drilling joints; the bottom of gas collecting cylinder is provided with two and goes up the water pipe, the top correspondence of water collecting cylinder is provided with two water pipes down, on, install the flange on the water pipe down, the welding has several pairs of leg of going up on the gas collecting cylinder, it has several pairs of lower landing legs to correspond the welding on the water collecting cylinder, on, the water pipe passes through the flange butt joint down, go up the landing leg and peg graft with lower landing leg one-to-one, go up the landing leg and coincide with the connecting hole on the lower landing leg, it locks to wear the bolt locking in the connecting hole, be provided with the drain pipe on the both sides end cover of water collecting cylinder. The water discharging device is designed into an independent upper layer structure and an independent lower layer structure, the upper layer and the lower layer are connected by screws, and the water discharging device is simple to disassemble and assemble; the device has low input cost, and can effectively prevent accidents above the gas high value.

Description

Eight-hole water drainage device of kilometer drilling machine

Technical Field

The utility model belongs to the field of gas drilling water drainage devices, and particularly relates to an eight-hole water drainage device of a kilometer drilling machine.

Background

During construction of the traditional kilometer drilling machine, gas is often sprayed out of an orifice, so that the gas overrun accident is caused; or because the negative pressure is not enough, the gas slowly overflows from the orifice to cause the gas overrun accident, and the construction safety and the construction efficiency of the gas drainage site are seriously influenced.

The patent application with the application number of 201510285468.4 and the name of the utility model being a negative pressure centralized control device for a kilometer drilling machine is a water drainage device designed by the applicant of the application in 2015, which achieves the purpose of controlling gas at an orifice, but still has the problems of inconvenient disassembly and cleaning and difficult moving.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.

In order to achieve the purpose, the utility model provides an eight-hole water drainage device of a kilometer drilling machine, which comprises an upper gas collecting cylinder and a lower water collecting cylinder, wherein eight pipe joints are distributed on the top of the gas collecting cylinder, two pipe joints are main pipeline joints, a reducing straight-through pipe and a gate valve are sequentially arranged on the main pipeline joints, the other six pipe joints are drilling joints, and the gate valves are directly arranged on the drilling joints; the bottom of a gas collecting cylinder is provided with two upper water passing pipes, the top of a water collecting cylinder is correspondingly provided with two lower water passing pipes, the water passing pipes are positioned on one side of a main pipeline joint, no drilling joint exists between the water passing pipes and the main pipeline joint, flanges are installed on the upper and lower water passing pipes, a plurality of pairs of upper supporting legs are welded on the gas collecting cylinder along the axial direction, a plurality of pairs of lower supporting legs are correspondingly welded on the water collecting cylinder, the upper and lower water passing pipes are butted through the flanges, the upper supporting legs are spliced with the lower supporting legs in a one-to-one correspondence manner, connecting holes on the upper supporting legs and the lower supporting legs are coincided, bolts are penetrated in the connecting holes for locking, a bottom beam is welded at the bottom of each pair of lower supporting legs, water discharge pipes are arranged on end covers on two sides of the water collecting cylinder, and a water discharge valve is installed on the water discharge pipes.

Furthermore, the end covers at two sides of the water collecting cylinder are provided with flushing pipes, and valves are arranged on the flushing pipes.

Furthermore, the lowest point of the water discharge pipe is tangent to the lowest point of the water collecting barrel, and the flushing pipe is positioned right above the water discharge pipe.

Furthermore, the upper supporting leg, the lower supporting leg and the bottom beam are channel steel.

Further, the upper leg extends downwardly beyond the upper draft tube.

Compared with the prior art, the utility model has the advantages that:

the eight-hole water discharging device of the kilometer drilling machine is designed into an independent upper layer structure and an independent lower layer structure, the upper layer structure and the lower layer structure are connected through screws, and the dismounting and the assembling are simple. The upper strata is used for gas drainage, and the lower floor is used for the gas pipeline to drain, and the upper strata is total 8 adapters, and wherein two adapters are connected the gas main line, and 6 adapters are used for reserve negative pressure pipe, connecting hole mouth blowout preventer respectively in addition, in drilling construction operation, according to downthehole gas size, play to adopt and take out and prevent gas blowout effect through opening eight hole device gate valves to gas. The device has low input cost, and can effectively prevent accidents above the gas high value.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an internal fluid flow diagram of the present invention.

In the figure: 1-a water collecting cylinder; 2-a gas collecting cylinder; 3-upper support leg; 4-lower leg; 5-bolt; 6-water pipe feeding; 7-discharging a water pipe; 8-a flushing pipe; 9-a water discharge pipe; 10-a drill joint; 11-main line joint; 12-reducing straight-through pipe; 13-a gate valve; 14-bottom beam.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

As shown in fig. 1 and 2; the utility model provides a eight holes of kilometer rig water discharging device, includes the chimney 2 on upper portion and the water-collecting drum 1 of lower part, eight couplings have been distributed at the top of chimney 2, and wherein two couplings are main pipeline joint 11, install direct pipe 12 of reducing and gate valve 13 on the main pipeline joint 11 in proper order, and the direct pipe 12's of reducing effect is: the diameter of the upper part of the reducing straight-through pipe is increased, when water and gas enter the pipe together under the action of negative pressure, the diameter is increased suddenly, the water loses pressure and automatically falls back into the gas collecting cylinder 2, and the water is prevented from being sucked into a gas main pipeline. The other six pipe joints are drilling joints 10, and gate valves 13 are directly installed on the drilling joints 10.

The bottom of the gas collecting cylinder 2 is provided with two upper water passing pipes 6, the top of the water collecting cylinder 1 is correspondingly provided with two lower water passing pipes 7, the water passing pipes are positioned on one side of a main pipeline joint 11, and a drilling joint 10 is not arranged between each water passing pipe and the main pipeline joint 11. The mixed fluid of water and gas flows in from the drilling joint 10, the water flows into the water collecting barrel 1 through the water pipe, and the gas is sucked into the gas main pipeline through the main pipeline joint 11. The main pipeline joint 11, the drilling joint 10 and the water passing pipe are arranged in the sequence, so that the mixture of water and gas can reach the main pipeline joint 11 through the water passing pipe, and water is further prevented from being sucked into the gas main pipeline. The arrangement of the layout saves the structure of a baffle plate in the negative pressure centralized control device of the kilometer drilling machine.

But water collection cylinder 2 and water collection cylinder 1 quick detach fast-assembling, on, install the flange on the lower water passing pipe, it has several pairs of upper leg 3 to weld along the axial on the gas collection cylinder 2, it has several pairs of lower leg 4 to correspond to weld on the water collection cylinder 1, on, the lower water passing pipe passes through the flange butt joint, upper leg 3 pegs graft with lower leg 4 one-to-one, the connecting hole on upper leg 3 and the lower leg 4 is coincide, it locks to wear bolt 5 in the connecting hole, it has a floorbar 14 to weld the bottom of every pair of lower leg 4, be provided with on the both sides end cover of water collection cylinder 1 and draw off the water pipe 9, install the drain valve on the draw off the water pipe 9.

The lowest point of the water discharge pipe 9 is tangent to the lowest point of the water collecting barrel 1, and accumulated water in the water collecting barrel 1 can drain out. The coal dust is still mixed in the water and is easily deposited at the bottom of the water collecting cylinder 1, in order to clean the coal dust, the end covers at the two sides of the water collecting cylinder 1 are provided with the flushing pipes 8, the flushing pipes 8 are provided with valves, and the flushing pipes 8 are positioned right above the water discharging pipes 9. When the coal dust is cleaned, the flushing pipe 8 is externally connected with a water pipe, a valve is opened, a drain valve is opened at the same time, water is flushed into the water collecting barrel 1 from the flushing pipe 8 and discharged from the opposite water discharging pipe 9, and the coal dust is washed out by water flow.

The upper supporting leg 3, the lower supporting leg 4 and the bottom beam 14 are channel steel, so that the materials are convenient to obtain, and the cost is low.

The upper supporting leg 3 downwardly exceeds the upper water pipe 6, and the upper supporting leg 3 is grounded to support the gas collecting cylinder 2 after the gas collecting cylinder 2 and the water collecting cylinder 1 are disassembled.

In the drilling work progress, main line joint 11 is connected with the gas main line, and drilling joint 10 is connected with drill way blowout preventer, and the gate valve on main line joint 11 is the open mode, and the gate valve on 6 drilling joint 10 on right side is used for controlling the negative pressure according to downthehole gas size adjustment valve size at any time, and aim at effectively prevents the gas blowout. The drain valve is opened, accumulated water is discharged through the water discharge pipe 9, and negative pressure insufficiency caused by accumulated water in the pipeline is prevented.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An eight-hole water drainage device of a kilometer drilling machine comprises a gas collecting cylinder (2) at the upper part and a water collecting cylinder (1) at the lower part, eight pipe joints are distributed on the top part of the gas collecting cylinder (2), wherein two pipe joints are main pipeline joints (11), a reducing straight-through pipe (12) and a gate valve (13) are sequentially installed on the main pipeline joints (11), the other six pipe joints are drilling joints (10), and the gate valve (13) is directly installed on the drilling joints (10); the method is characterized in that: the bottom of the gas collecting cylinder (2) is provided with two upper water passing pipes (6), the top of the water collecting cylinder (1) is correspondingly provided with two lower water passing pipes (7), the water passing pipes are positioned at one side of a main pipeline joint (11), no drilling joint (10) is arranged between the water passing pipes and the main pipeline joint (11), flanges are arranged on the upper water passing pipes and the lower water passing pipes, a plurality of pairs of upper supporting legs (3) are welded on the gas collecting cylinder (2) along the axial direction, a plurality of pairs of lower supporting legs (4) are correspondingly welded on the water collecting cylinder (1), the upper water passing pipes and the lower water passing pipes are butted through the flanges, the upper supporting legs (3) and the lower supporting legs (4) are correspondingly spliced one by one, connecting holes on the upper supporting legs (3) and the lower supporting legs (4) are coincided, bolts (5) are penetrated in the connecting holes for locking, a bottom beam (14) is welded at the bottom of each pair of the lower supporting legs (4), water discharging pipes (9) are arranged on end covers at two sides of the water collecting cylinder (1), a drain valve is arranged on the water discharge pipe (9).

2. The eight-hole water discharging device of the kilometer drilling machine as claimed in claim 1, wherein: and end covers at two sides of the water collecting cylinder (1) are provided with flushing pipes (8), and valves are arranged on the flushing pipes (8).

3. The eight-hole water discharging device of the kilometer drilling machine as claimed in claim 2, wherein: the lowest point of the water discharge pipe (9) is tangent to the lowest point of the water collecting barrel (1), and the flushing pipe (8) is positioned right above the water discharge pipe (9).

4. The eight-hole water discharging device of the kilometer drilling machine as recited in claim 3, wherein: the upper supporting leg (3), the lower supporting leg (4) and the bottom beam (14) are channel steel.

5. The eight-hole water discharging device of the kilometer drilling machine as recited in claim 4, wherein: the upper supporting leg (3) is downward beyond the upper water passing pipe (6).