Coal water collecting device for wet-type drilling cutting method construction
By designing a coal-water collection device that includes bent pipes, coal-water and iron pipes and coal-water drainage hoses, the problem of drilling and moisture caused by high moisture content in the wet drilling chip method construction is solved, and efficient coal-water collection and data accuracy is achieved, and coal mine production efficiency and safety are improved.
Patent Information
- Application Number
- CN202421553241.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-07-02
AI Technical Summary
When wet drilling cuttings method is carried out in the coal seam of Class III mines and the top and bottom slates of Class II mines, due to the high moisture content of the coal seam, it will cause wetness during the drilling process, which will not reach the design hole depth, which will affect the normal operation of coal mining.
A coal water collection device including bent pipes, coal-water and iron pipes and coal-drainage hoses is designed. By setting up a bent pipe, connected coal-water and iron pipes and coal-water drainage hoses, the coal-water and coal-water drainage hoses can be efficiently guided out the coal water in the drill hole, and the sealing and stability can be strengthened through the first and second annular airbags.
The device enhances the inspection strength of the impact ground pressure effect, improves production efficiency, realizes effective control of coal water overflow, improves the accuracy of data collection and analysis, and is suitable for coal mine production under different geological conditions, ensuring the safety production and efficiency improvement of coal mines.
Smart Images
Figure CN222668126U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of coal mining, in particular to a coal water collecting device for wet drilling cuttings method construction. Background Art
[0002] Coal mining refers to the use of various mining methods to extract coal resources from deep underground or on the surface. Coal is a common fossil fuel that is widely used in power generation, heating and industrial production. The coal mining process generally includes exploration, mining, transportation and logistics.
[0003] When carrying out construction and mining operations on Class III coal seams (i.e. coal seams with strong impact tendency) and Class II roof and floor rock (i.e. roof and floor rock layers with weak impact tendency), due to the high water content of the coal seams, the drilling process becomes damp and the designed hole depth cannot be reached, affecting the normal operation of coal mining.
[0004] To this end, the mine adopts the wet drill cuttings method for construction. At the same time, in order to solve the problem of difficulty in effectively collecting coal water during the construction process, a coal water collection device is specially designed for wet drill cuttings construction. Utility Model Content
[0005] In view of the deficiencies in the prior art, the utility model provides a coal water collection device for wet drilling cuttings construction, which solves the problem that when carrying out construction and mining operations on Class III mine coal seams (i.e. coal seams with strong impact tendency) and Class II roof and floor rock (i.e. roof and floor rock layers with weak impact tendency), the high water content of the coal seams leads to moisture in the drilling process and the designed hole depth cannot be reached, thus affecting the normal operation of coal mining.
[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a coal-water collecting device for wet drilling cuttings method construction, comprising a bent pipe, a drilling construction port is provided on the surface of the bent pipe, a first threaded ring is threadedly installed on the top end of the bent pipe, a second threaded ring is threadedly installed on the end end of the bent pipe, a coal-water iron pipe is sealed and connected to the top end of the bent pipe, a coal-water discharge hose is sealed and connected to the end end of the bent pipe, a first groove is provided on the outer surface of the coal-water iron pipe, a first annular airbag is fixedly installed inside the first groove, an air pipe is fixedly connected to the surface of the first annular airbag, an air pipe is fixedly installed at one end of the air pipe away from the first annular airbag, a connecting pipe is fixedly connected to the surface of the air pipe, a pressure relief valve is fixedly installed at one end of the connecting pipe away from the air pipe, a second groove is provided on the surface of the coal-water iron pipe, a second annular airbag is fixedly installed inside the second groove, and bumps are fixedly connected to the surface of the second annular airbag at equal intervals.
[0007] Preferably, the outer surface of the coal-water iron pipe is provided with a rotation groove matching the first threaded ring, the inner wall of the first threaded ring is rotatably connected to the inside of the rotation groove, and the surface of the bent pipe is provided with threads matching the second threaded ring and the first threaded ring.
[0008] Preferably, a limiting groove matching the second threaded ring is formed on the outer surface of the coal discharge water hose, and the inner wall of the second threaded ring is rotatably connected to the inside of the limiting groove.
[0009] Preferably, sealing rings are fixedly mounted on the surfaces of the coal water connecting iron pipe and the coal water discharging hose, and the interior of the coal water connecting iron pipe is connected with the interior of the coal water discharging hose through a bend pipe.
[0010] Preferably, the interior of the second annular airbag is communicated with the interior of the trachea, and the interior of the first annular airbag is communicated with the interior of the trachea.
[0011] Preferably, the outer surface of the air pipe is fixedly connected to the inside of the coal and water iron pipe, and the protrusion is a conical rubber block.
[0012] Beneficial Effects
[0013] The utility model provides a coal-water collection device for wet drilling cuttings construction. Compared with the prior art, it has the following beneficial effects:
[0014] 1. The coal-water collection device for wet drilling cuttings construction can efficiently guide the coal and water in the borehole out by setting elbows, coal-water connecting iron pipes and coal-water discharge hoses, thereby enhancing the inspection strength of the impact ground pressure effect, improving production efficiency, achieving effective control of coal-water overflow, and improving the accuracy of data collection and analysis. The coal-water collection structure is reasonably designed, compact, and easy to install and maintain. It can be applied to coal mine production under different geological conditions, providing a strong guarantee for the safe production and efficiency improvement of coal mines.
[0015] 2. The coal-water collecting device for wet drilling cuttings method construction can strengthen the sealing between the surface of the coal-water iron pipe and the inner wall of the borehole by setting the first annular airbag to prevent coal-water overflow. By setting the second annular airbag, the coal-water iron pipe can be prevented from rotating inside the borehole when drilling, thereby enhancing the overall stability of the collecting device and enhancing its practicability. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the structure of the coal-water iron pipe in the utility model;
[0018] Figure 3 for Figure 2 The enlarged view of point A in the middle;
[0019] Figure 4 It is a structural schematic diagram of the coal water discharge hose in the utility model.
[0020] In the figure: 1, elbow; 2, drilling construction opening; 3, first threaded ring; 4, coal and water connecting iron pipe; 5, second threaded ring; 6, coal and water discharge hose; 7, first groove; 8, first annular air bag; 9, air pipe; 10, valve core valve; 11, connecting pipe; 12, pressure relief valve; 13, second groove; 14, second annular air bag; 15, bump. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] See also Figure 1-4 The utility model provides a technical solution: a coal-water collecting device for wet drilling cuttings method construction, comprising a bent pipe 1, a drilling construction opening 2 is provided on the surface of the bent pipe 1, a first threaded ring 3 is threadedly installed on the top of the bent pipe 1, a second threaded ring 5 is threadedly installed on the end of the bent pipe 1, a coal-water iron pipe 4 is sealed and connected to the top of the bent pipe 1, a rotating groove matching the first threaded ring 3 is provided on the outer surface of the coal-water iron pipe 4, the inner wall of the first threaded ring 3 is rotatably connected to the inside of the rotating groove, a thread matching the second threaded ring 5 and the first threaded ring 3 is provided on the surface of the bent pipe 1, a coal-water discharge hose 6 is sealed and connected to the end of the bent pipe 1, and a limiting groove matching the second threaded ring 5 is provided on the outer surface of the coal-water discharge hose 6 The inner wall of the second threaded ring 5 is rotatably connected to the inside of the limit groove. The surfaces of the coal-water iron pipe 4 and the coal-water discharge hose 6 are fixedly installed with sealing rings. The inside of the coal-water iron pipe 4 is connected to the inside of the coal-water discharge hose 6 through the elbow 1. By setting the elbow 1, the coal-water iron pipe 4 and the coal-water discharge hose 6, the coal and water in the borehole can be efficiently guided out, thereby enhancing the inspection strength of the impact ground pressure effect, improving production efficiency, achieving effective control of coal and water overflow, and improving the accuracy of data collection and analysis. The coal-water collection structure is reasonably designed, compact in structure, easy to install and maintain, and can be applied to coal mine production under different geological conditions, providing a strong guarantee for the safe production and efficiency improvement of coal mines;
[0023] The outer surface of the coal-water iron pipe 4 is provided with a first groove 7, a first annular airbag 8 is fixedly installed inside the first groove 7, a trachea 9 is fixedly connected to the surface of the first annular airbag 8, the interior of the first annular airbag 8 is connected to the interior of the trachea 9, the outer surface of the trachea 9 is fixedly connected to the interior of the coal-water iron pipe 4, a valve core valve 10 is fixedly installed on one end of the trachea 9 away from the first annular airbag 8, a connecting pipe 11 is fixedly connected to the surface of the trachea 9, a pressure relief valve 12 is fixedly installed on one end of the connecting pipe 11 away from the trachea 9, and a second groove is provided on the surface of the coal-water iron pipe 4. Groove 13, a second annular airbag 14 is fixedly installed inside the second groove 13, the interior of the second annular airbag 14 is connected to the interior of the air pipe 9, and the surface of the second annular airbag 14 is equidistantly fixedly connected with bumps 15, which are conical rubber blocks. By setting the first annular airbag 8, the sealing between the surface of the coal-water iron pipe 4 and the inner wall of the borehole can be strengthened to prevent coal and water from overflowing. By setting the second annular airbag 14, the coal-water iron pipe 4 can be prevented from rotating inside the borehole when drilling, thereby enhancing the overall stability of the collecting device and enhancing its practicality.
[0024] When working, select the elbow 1, coal water connecting iron pipe 4 and coal water discharge hose 6 that match the hole size for production, and ensure that the connection between the pipes is stable and reliable during the processing. Before setting up the coal powder drill, the coal wall should be drilled in advance at the construction site. After completing the 1-meter-deep drilling, the coal water connecting iron pipe 4 is accurately inserted into the coal wall, and then the first annular airbag 8 and the second annular airbag 14 are pressurized through the valve core valve 10 through the air cylinder or the booster equipment. Through the connection between the first annular airbag 8 and the hole wall, it can The sealing of the coal-water iron pipe 4 and the hole wall is achieved by connecting the protrusion 15 with the hole wall, so that the coal-water iron pipe 4 can be connected and fixed. After the fixing is completed, the drilling equipment continues the drilling operation through the drilling construction port 2. The coal and water will flow out from the coal-water discharge hose 6 through the coal-water iron pipe 4 and the bend 1 and be collected in the collection bucket. The capacity of the collection bucket is checked regularly to prevent coal and water from overflowing. After the coal powder drilling construction is completed, the coal and water collection device should be removed immediately and the construction area should be thoroughly cleaned to ensure a clean and safe working environment.
[0025] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.
Claims
1. A device for collecting coal water for wet drilling cuttings construction, comprising a curved pipe (1), characterized in that: The surface of the bent pipe (1) is provided with a drilling opening (2); the top end of the bent pipe (1) is threadedly installed with a first threaded ring (3); the end of the bent pipe (1) is threadedly installed with a second threaded ring (5); the top end of the bent pipe (1) is sealedly connected to a coal and water iron pipe (4); the end of the bent pipe (1) is sealedly connected to a coal and water discharge hose (6); the outer surface of the coal and water iron pipe (4) is provided with a first groove (7); a first annular airbag (8) is fixedly installed inside the first groove (7); the surface of the first annular airbag (8) is provided with a first groove (7); A gas pipe (9) is fixedly connected thereto, a valve core valve (10) is fixedly mounted on one end of the gas pipe (9) away from the first annular airbag (8), a connecting pipe (11) is fixedly connected to the surface of the gas pipe (9), a pressure relief valve (12) is fixedly mounted on one end of the connecting pipe (11) away from the gas pipe (9), a second groove (13) is provided on the surface of the coal-water iron pipe (4), a second annular airbag (14) is fixedly mounted inside the second groove (13), and bumps (15) are fixedly connected to the surface of the second annular airbag (14) at equal intervals.
2. A coal-water collecting device for wet drilling cuttings construction according to claim 1, characterized in that: The outer surface of the coal and water iron pipe (4) is provided with a rotation groove matching the first threaded ring (3); the inner wall of the first threaded ring (3) is rotationally connected to the inside of the rotation groove; the surface of the bent pipe (1) is provided with threads matching the second threaded ring (5) and the first threaded ring (3).
3. The device for collecting coal water for wet drilling cuttings construction according to claim 1, characterized in that: The outer surface of the coal discharge water hose (6) is provided with a limiting groove matching the second threaded ring (5), and the inner wall of the second threaded ring (5) is rotatably connected to the inside of the limiting groove.
4. The device for collecting coal water for wet drilling cuttings construction according to claim 1, characterized in that: Sealing rings are fixedly mounted on the surfaces of the coal water connection iron pipe (4) and the coal water discharge hose (6), and the interior of the coal water connection iron pipe (4) is connected to the interior of the coal water discharge hose (6) through the elbow (1).
5. The device for collecting coal water for wet drilling cuttings construction according to claim 1, characterized in that: The interior of the second annular airbag (14) is connected to the interior of the trachea (9), and the interior of the first annular airbag (8) is connected to the interior of the trachea (9).
6. The device for collecting coal water for wet drilling cuttings construction according to claim 1, characterized in that: The outer surface of the air pipe (9) is fixedly connected to the inside of the coal and water iron pipe (4), and the protrusion (15) is a conical rubber block.