Drilling, water blowing and slag discharging device

Abstract

The utility model provides a drilling water blowing and slag discharging device which comprises a water blowing and slag discharging device and a water blowing and slag discharging rubber pipe, one end of the water blowing and slag discharging rubber pipe is arranged outside a drilling hole and connected with an external connecting device, and the other end of the water blowing and slag discharging rubber pipe penetrates through the water blowing and slag discharging device to directly reach the bottom of the drilling hole. The water blowing and slag discharging rubber pipe and the water blowing and slag discharging device are fixed through a fastening nut. One end of the water blowing and slag discharging rubber pipe is arranged outside the drill hole and connected with the external connecting device, so that a connecting point is not located inside the water blowing and slag discharging device, whether the water blowing and slag discharging rubber pipe connecting device is disconnected or not can be directly judged, and if disconnection is achieved, people can see the water blowing and slag discharging rubber pipe connecting device, and timely connection can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the coal mine underground extraction technical field, concretely relates to a drilling water blowing and residue discharging device. BACKGROUND

[0002] With the increasing difficulty of gas control, the drilling extraction is more and more important, in order to ensure the drilling extraction effect and prolong the drilling life cycle, the drilling water blowing and residue discharging device is usually used, the drilling water blowing and residue discharging device leads out a water blowing (residue) rubber tube at one end in the drilling, one end of the water blowing (residue) rubber tube is lowered to the hole bottom with the hole sealing sleeve, the other end is connected with the compressed air guide pipe through the drilling water blowing and residue discharging device, the connection is in the drilling water blowing and residue discharging device, and the compressed air is opened to realize the positive pressure drainage (residue) of the hole bottom.

[0003] However, the existing drilling water blowing and residue discharging device, since the connection point of the water blowing (residue) rubber tube and the compressed air guide pipe is in the drilling water blowing and residue discharging device, the connection point cannot be directly judged since it cannot be seen by the human eye, and the two are directly connected without leaving a margin, since the mining activity in the drilling will be affected, the water blowing (residue) rubber tube is easily broken, deformed or disconnected with the compressed air guide pipe under the tension force. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the utility model is how to improve the existing drilling water blowing and residue discharging device so that the connection point is not in the device.

[0005] The utility model solves the above technical problems through the following technical scheme:

[0006] The utility model provides a drilling water blowing and residue discharging device, including a water blowing and residue discharging device and a water blowing and residue discharging rubber tube, one end of the water blowing and residue discharging rubber tube is connected with an external connecting device outside the drilling, the other end of the water blowing and residue discharging rubber tube passes through the water blowing and residue discharging device and reaches the drilling bottom, and the water blowing and residue discharging rubber tube is fixed with the water blowing and residue discharging device through a fastening nut.

[0007] Advantageous effects: the utility model discloses that one end of the water blowing and residue discharging rubber tube is connected with the external connecting device outside the drilling, so that the connection point is not in the water blowing and residue discharging device, the connection of the water blowing and residue discharging rubber tube with the connecting device can be directly judged, if the connection is disconnected, the human eye can see, and the connection can be timely; once the water blowing rubber tube in the hole is affected by the tension force, the fastening nut of the water blowing and residue discharging device is loosened, the water blowing and residue discharging rubber tube outside the drilling is stretched into the drilling to offset the tension force borne by the water blowing and residue discharging rubber tube, and the problem that the water blowing and residue discharging rubber tube in the hole is broken and damaged under the tension force is effectively solved.

[0008] Preferably, the connection end of the water blowing and slag discharging rubber pipe and the external connecting device is 100-500mm away from the orifice.

[0009] Preferably, the water blowing and slag discharging device is provided with an orifice gas measuring nozzle and a first ball valve, the orifice gas measuring nozzle is arranged on one side of the water blowing and slag discharging device, and the first ball valve is arranged on the other side of the water blowing and slag discharging device.

[0010] Beneficial effects: the orifice gas measuring nozzle of the water blowing and slag discharging device can measure the orifice extraction concentration and the negative pressure size, and the first ball valve controls the negative pressure size.

[0011] Preferably, the external connecting device is provided with a hole bottom gas measuring nozzle and a second ball valve, the hole bottom gas measuring nozzle is arranged close to the water blowing and slag discharging rubber pipe connection, and the second ball valve is arranged on one side of the hole bottom gas measuring nozzle.

[0012] Beneficial effects: the hole bottom gas measuring nozzle of the external connecting device can measure the hole bottom extraction concentration and the negative pressure size, and the second ball valve controls the air pressure size to blow water and discharge slag at the hole bottom.

[0013] Preferably, the external connecting device is connected with the air pressure pipeline.

[0014] Preferably, the external connecting device is connected with the air pressure pipeline through a quick connector.

[0015] Preferably, the water blowing and slag discharging rubber pipe has a diameter of 10mm.

[0016] The utility model discloses a kind of water blowing and slag discharging devices, which is fixed on the orifice of drilling hole, and the water blowing and slag discharging rubber pipe in hole is drawn out from the water blowing and slag discharging device to the outside of drilling hole and has surplus and is connected with external connecting device, and the water blowing and slag discharging device and the water blowing and slag discharging rubber pipe reach sealing effect by fastening nut, external connecting device quick connector is connected with air pressure pipeline, and external connecting device is provided with hole bottom gas measuring nozzle simultaneously, can measure the hole bottom extraction concentration and the negative pressure size, can compare with the orifice extraction concentration and the negative pressure size measured by the orifice gas measuring nozzle of water blowing and slag discharging device, to judge whether drilling hole is unobstructed, and the method of blowing pressure air to hole bottom is used to blow water and discharge slag for the drilling hole that appears to be blocked.

[0017] The utility model fixes water blowing and slag discharging device on the orifice of drilling hole, and the water blowing and slag discharging rubber pipe in hole is drawn out from the water blowing and slag discharging device to the outside of drilling hole and has surplus and is connected with external connecting device, and the water blowing and slag discharging device and the water blowing and slag discharging rubber pipe reach sealing effect by fastening nut, external connecting device quick connector is connected with air pressure pipeline, and external connecting device is provided with hole bottom gas measuring nozzle simultaneously, can measure the hole bottom extraction concentration and the negative pressure size, can compare with the orifice extraction concentration and the negative pressure size measured by the orifice gas measuring nozzle of water blowing and slag discharging device, to judge whether drilling hole is unobstructed, and the method of blowing pressure air to hole bottom is used to blow water and discharge slag for the drilling hole that appears to be blocked. ACCURACY

[0018] Figure 1 It is a kind of drilling water blowing and slag discharging device structure schematic diagram in example. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme of the embodiments of the utility model will be clearly and completely described in combination with the embodiments of the utility model below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0020] In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model; in addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. It should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0021] According to Figure 1 As shown in the figure, the embodiment provides a drilling water blowing and slag discharging device, which comprises a water blowing and slag discharging device 10 and a water blowing and slag discharging rubber pipe 20, the water blowing and slag discharging device 10 is fixed inside the drilling hole, the water blowing and slag discharging rubber pipe 20 has a hole diameter of 10 mm; the water blowing and slag discharging rubber pipe 20 passes through the water blowing and slag discharging device 10 and is fixed at one end of the water blowing and slag discharging device 10 by using a fastening nut, one end of the water blowing and slag discharging rubber pipe 20 is arranged outside the drilling hole, the distance between the end point of the water blowing and slag discharging rubber pipe 20 and the hole is 500 mm, the end point of the water blowing and slag discharging rubber pipe 20 is connected with the external connecting device 30 through the fastening nut, the other end of the water blowing and slag discharging rubber pipe 20 directly reaches the bottom of the drilling hole, and the water blowing and slag discharging is performed by the method of blowing and pressing air to the bottom of the drilling hole.

[0022] The embodiment is characterized in that the one end of the water blowing and residue discharging rubber pipe 20 is connected with the external connecting device 30 outside the drilling hole, so that the connecting point is not in the water blowing and residue discharging device 10, and whether the external connecting device 30 connected with the water blowing and residue discharging rubber pipe 20 is disconnected can be directly judged, and if the external connecting device 30 is disconnected, the user can see it and can be timely connected.

[0023] The water blowing and residue discharging device 10 is provided with an orifice gas measuring nozzle 11 and a first ball valve 12, the water blowing and residue discharging rubber pipe 20 passes through the water blowing and residue discharging device 10, so that the water blowing and residue discharging device 10 is provided with an inlet (not marked in the figure) and an outlet (not marked in the figure) of the water blowing and residue discharging rubber pipe 20, the inlet is arranged at the top of the water blowing and residue discharging device 10, and the outlet is arranged at the side of the water blowing and residue discharging device 10, the inlet is provided with a fastening nut for fixing the water blowing and residue discharging rubber pipe 20, the orifice gas measuring nozzle 11 is arranged at the top of the water blowing and residue discharging device 10 and at one side of the inlet, and the first ball valve 12 is arranged at the top of the water blowing and residue discharging device 10 and at the other side of the inlet.

[0024] The external connecting device 30 is provided with a hole bottom gas measuring nozzle 31 and a second ball valve 32, the hole bottom gas measuring nozzle 31 and the second ball valve 32 are arranged at the top of the external connecting device 30, the hole bottom gas measuring nozzle 31 is arranged close to the connecting position of the water blowing and residue discharging rubber pipe 20, which is beneficial to measuring the hole bottom extraction concentration and the hole bottom negative pressure size by the hole bottom gas measuring nozzle 31, and the second ball valve 32 controls the air pressure size for the hole bottom water blowing and residue discharging. The external connecting device 30 is connected with the air pressure pipeline 40 through a quick connector.

[0025] The principle of the drilling water blowing and residue discharging device is as follows:

[0026] The water blowing and residue discharging rubber pipe of the embodiment extends from the outside of the drilling hole to the bottom of the drilling hole, the external connecting device is connected at the end point outside the drilling hole and is fixed by using a fastening nut, the hole bottom extraction concentration and the hole bottom negative pressure size can be measured by the hole bottom gas measuring nozzle, the water blowing and residue discharging rubber pipe is fixed by arranging the fastening nut at the inlet position and passing through the water blowing and residue discharging device, the orifice extraction concentration and the negative pressure size are measured by the orifice gas measuring nozzle, the orifice data and the hole bottom data are compared, whether the drilling hole is blocked can be obtained, and if the drilling hole is blocked, the water blowing and residue discharging is performed by the way of blowing air pressure to the hole bottom through the air pressure pipeline.

[0027] The embodiment can realize the effect of water blowing and residue discharging, has the advantages of flexibility, high reusability, low cost, simple operation, effectively solves the problem of fracture and damage of the water blowing and residue discharging rubber pipe in the hole due to tension force, and the joint is not easy to fall off. Compared with the traditional water blowing and residue discharging device, the joint of the water blowing and residue discharging rubber pipe is led to the outside of the hole, the joint connection condition is observed conveniently, the compressed air is ensured to be blown to the hole bottom, the coal powder or rock powder and accumulated water in the hole are discharged, and the operation is simple.

[0028] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than limit them; although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently; and the modification or replacement does not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A water flushing and slagging device for a borehole, characterized in that, The invention relates to a water blowing and slagging device (10) and a water blowing and slagging hose (20), one end of the water blowing and slagging hose (20) is connected with an external connecting device (30) outside the borehole, the other end of the water blowing and slagging hose (20) passes through the water blowing and slagging device (10) and reaches the bottom of the borehole, and the water blowing and slagging hose (20) is fixed with the water blowing and slagging device (10) by a fastening nut.

2. The borehole dewatering and debrising device of claim 1, wherein, The connecting end of the water blowing and slagging hose (20) and the external connecting device (30) is 100-500mm away from the orifice.

3. The borehole dewatering and debrising device of claim 1, wherein, The water blowing and slagging device (10) is provided with an orifice gas measuring nozzle (11) and a first ball valve (12), and the orifice gas measuring nozzle (11) and the first ball valve (12) are arranged at the top of the water blowing and slagging device (10).

4. A borehole dewatering and debrising device according to claim 3, characterised in that, The external connecting device (30) is provided with a hole bottom gas measuring nozzle (31) and a second ball valve (32), and the hole bottom gas measuring nozzle (31) and the second ball valve (32) are arranged at the top of the external connecting device (30).

5. The borehole dewatering and debrising device of claim 2, wherein, The external connecting device (30) is connected with a compressed air pipeline (40).

6. A borehole dewatering and debrising device according to claim 5, characterised in that, The external connecting device (30) is connected with the compressed air pipeline (40) through a quick connector.

7. The borehole dewatering and debrising device of claim 1, wherein, The bore diameter of the water blowing and slagging hose (20) is 10mm.

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