Powder collecting device for coal mine gas drainage drilling
By designing a powder collection device for coal mine gas extraction drilling, the dust is collected into a wet state and collected in the bagging cylinder, the problem of dust flying is solved, and safe and stable dust collection and protection of workers' health is achieved.
Patent Information
- Application Number
- CN202421912609.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-08
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-08-08
AI Technical Summary
During the gas discharge process of underground coal mines, dust flying everywhere pollutes the environment, affecting the stability of the collection and causing harm to workers' health.
A powder collection device for coal mine gas extraction drilling is designed, including a dust collection cylinder, a gas recovery tube, a pressure plate and a spray assembly. The spray nozzle generates water mist to collect the dust into a wet state and collects it in the bag cylinder, and is hung on the roof panel through a hanging ring for installation.
It effectively avoids dust flying, ensures the safety of the drilling and gas extraction process, protects workers' health, and has the characteristics of simple structure, easy installation and efficient collection of emissions.
Smart Images
Figure CN223164559U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of coal mine engineering, in particular to a powder collection device for coal mine gas drainage boreholes. Background Technique
[0002] Coal is an important basic energy source and raw material in China. The development of the coal industry has supported the rapid development of the national economy. In recent years, with the increasing demand for energy in large industries and the development of underground coal mining production, the production capacity of coal has increased significantly, which has also promoted the rapid progress of coal mining technology. Coal mine gas control is a very important task and means for coal mine safety production. In recent years, with the progress of coal mine gas control technology and the application of various scientific research results, the concept of refined management of coal mine gas drainage has been increasingly recognized and valued by industry insiders.
[0003] A large amount of coal mine dust is generated during coal mine gas drainage underground. Therefore, a dust removal device is needed to collect and remove coal dust. At present, the powder in coal mine underground boreholes is usually directly discharged to the floor and flows into the sedimentation tank. After passing through multiple sedimentation tanks, workers then load it into the mine car and transport it away. The direct discharge of powder brings many inconveniences to the working environment of underground workers, such as: the dust flying everywhere pollutes the surrounding environment, affects the stability of collection, poses a great harm to the occupational health of workers, and causes inconvenience in use. Therefore, a powder collection device for coal mine gas drainage boreholes is proposed to solve the problems mentioned above. Content of the Utility Model
[0004] In view of the deficiencies of the prior art, the utility model provides a powder collection device for coal mine gas drainage boreholes, which has the advantages of stable dust collection and reduced dust flying, and solves the problems that the dust flies everywhere and pollutes the surrounding environment, affects the stability of collection, poses a great harm to the occupational health of workers, and causes inconvenience in use.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: A powder collection device for coal mine gas drainage boreholes, including a dust collection cylinder, a gas recovery pipe is arranged on the upper side of the dust collection cylinder, a pressure plate is arranged on the left side of the dust collection cylinder, a first water pipe joint is arranged on the outer wall of the dust collection cylinder, and a spray assembly is arranged outside the pressure plate;
[0006] The spray assembly includes an arc-shaped pipe arranged outside the pressure plate, spray nozzles are arranged on the outer wall of the arc-shaped pipe, the spray nozzles penetrate through the pressure plate and are communicated with the inside of the dust collection cylinder, and a second water pipe joint is arranged at the outer end of the arc-shaped pipe.
[0007] Further, a connecting pipe is arranged at one end of the dust collection cylinder away from the pressure plate, the connecting pipe is fixedly welded to the dust collection cylinder, and a connecting flange is arranged at one end of the connecting pipe away from the dust collection cylinder.
[0008] Furthermore, a dust bagging cylinder is provided at the bottom of the dust collection cylinder, and the dust bagging cylinder is fixedly welded to the dust collection cylinder.
[0009] Furthermore, convex rings are provided on the outer wall of the dust bagging cylinder, and the number of the convex rings is set to 3-4.
[0010] Furthermore, the number of the spray nozzles is set to 2-3, and the arc-shaped pipe is fixedly installed on the outer wall of the pressure plate by screws.
[0011] Furthermore, the pressure plate is snap-fitted to the left side of the dust collection cylinder, and a rubber pad is provided between the pressure plate and the dust collection cylinder.
[0012] Furthermore, the gas recovery pipe is fixedly welded to the upper side of the dust collection cylinder, and a lifting ring is further provided on the outer wall of the dust collection cylinder.
[0013] Furthermore, the lifting ring is fixedly welded to the dust collection cylinder, the number of the lifting rings is set to four, and the four lifting rings are respectively located on the front and rear sides of the dust collection cylinder.
[0014] Compared with the prior art, the present utility model provides a powder collection device for coal mine gas drainage drilling, which has the following beneficial effects:
[0015] The powder collection device for coal mine gas drainage drilling hangs the dust collection cylinder on the roof bolt or cable by using the lifting ring. The gas drainage drill rod is connected to the connecting pipe. The dust collection woven bag is tied to the lower side of the dust bagging cylinder by a string. The gas is extracted through the gas recovery pipe above the dust collection cylinder. During the process of gas extraction, a large amount of dust is carried by the gas into the dust collection cylinder. The external water pipe is connected through the provided second water pipe joint, so as to provide water source for the arc-shaped pipe and the spray nozzles. The dust in the dust collection cylinder is sprayed into a wet state by the water mist generated by the spray nozzles. The dust gets damp and falls into the dust collection woven bag at the bottom of the dust bagging cylinder. After the dust collection woven bag is full, it can be taken down, tied tightly at the bag mouth and transported away by a mine car, avoiding the gas overrun accident caused by the traditional drilling dust and gas gushing and the phenomenon of excessive dust content in the roadway, ensuring the safe progress of the drilling and gas extraction process, protecting the physical and mental health of underground workers, and having the characteristics of simple structure, light weight, easy installation and good collection and discharge effect, with high practicability. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 is the front view of the structure of the present utility model;
[0017] Figure 2 is the side view of the structure of the present utility model;
[0018] Figure 3This is a schematic diagram of the structure of the spray assembly of the present utility model.
[0019] In the figure: 1. Dust collection cylinder; 2. Gas recovery pipe; 3. Rubber gasket; 4. Pressure plate; 5. First water pipe joint; 6. Suspension ring; 7. Dust bagging cylinder; 8. Connecting pipe; 9. Arc pipe; 10. Spray nozzle; 11. Second water pipe joint. Specific embodiments
[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0021] Embodiment 1:
[0022] Please refer to Figures 1-3 , the powder collection device for coal mine gas drainage boreholes in this embodiment includes a dust collection cylinder 1. A gas recovery pipe 2 is arranged on the upper side of the dust collection cylinder 1, and the gas recovery pipe 2 is fixedly welded to the upper side of the dust collection cylinder 1. A pressure plate 4 is arranged on the left side of the dust collection cylinder 1.
[0023] It should be noted that the pressure plate 4 is clamped on the left side of the dust collection cylinder 1, and a rubber gasket 3 is arranged between the pressure plate 4 and the dust collection cylinder 1. By arranging the rubber gasket 3, the sealing performance of the structure between the pressure plate 4 and the dust collection cylinder 1 can be ensured. In other embodiments, the rubber gasket 3 can also be replaced with a wear-resistant Oxford pad for sealing.
[0024] It should be added that a first water pipe joint 5 is arranged on the outer wall of the dust collection cylinder 1. By using the first water pipe joint 5, it is convenient to connect to an external water pipe to facilitate cleaning the inside of the dust collection cylinder 1.
[0025] In this embodiment, a spray assembly is arranged on the outer side of the pressure plate 4. The spray assembly includes an arc pipe 9 arranged on the outer side of the pressure plate 4. Spray nozzles 10 are arranged on the outer wall of the arc pipe 9. The spray nozzles 10 penetrate through the pressure plate 4 and are connected to the inside of the dust collection cylinder 1. A second water pipe joint 11 is arranged at the outer end of the arc pipe 9. By arranging the second water pipe joint 11, it is convenient to connect to an external water pipe to provide water source for the arc pipe 9 and the spray nozzles 10. The dust inside the dust collection cylinder 1 is sprayed into a wet state by the water mist generated by the spray nozzles 10. The wet dust falls and is collected below without the phenomenon of dust flying. The collection is stable, avoiding the phenomenon of unstable collection caused by dust flying everywhere.
[0026] It should be noted that the arc-shaped pipe 9 is fixedly installed on the outer wall of the pressure plate 4 by screws, and the number of spray nozzles 10 is set to 2-3.
[0027] In this embodiment, a connecting pipe 8 is provided at one end of the dust collection cylinder 1 away from the pressure plate 4. The connecting pipe 8 is fixedly welded to the dust collection cylinder 1. A connecting flange is provided at one end of the connecting pipe 8 away from the dust collection cylinder 1. The connecting pipe 8 facilitates the connection with the gas drainage drill rod, facilitating the transportation of dust.
[0028] It should be added that lifting rings 6 are also provided on the outer wall of the dust collection cylinder 1. The lifting rings 6 are fixedly welded to the dust collection cylinder 1. The number of lifting rings 6 is set to four, and the four lifting rings 6 are respectively located on the front and rear sides of the dust collection cylinder 1. By providing the lifting rings 6, it is convenient to hang the dust collection cylinder 1 on the roof bolt or cable anchor through a hook. The height can be adjusted according to the original drainage hole, and it is also convenient to remove after the work is completed. The installation is convenient and the practicability is strong.
[0029] Embodiment Two:
[0030] Please refer to Figures 1-2 , on the basis of Embodiment One, a dust bagging cylinder 7 is provided at the bottom of the dust collection cylinder 1. The dust bagging cylinder 7 is fixedly welded to the dust collection cylinder 1. Among them, convex rings are provided on the outer wall of the dust bagging cylinder 7, and the number of convex rings is set to 3-4. The convex rings on the dust bagging cylinder 7 are used to connect with the dust collection woven bag, and the dust collection woven bag can be easily tied to the lower side of the dust bagging cylinder 7 through a string.
[0031] The working principle of the above embodiment is as follows:
[0032] When the present utility model is in use, the dust collection cylinder 1 is hung on the roof bolt or cable anchor by using the lifting rings 6. The gas drainage drill rod is connected to the connecting pipe 8. The dust collection woven bag is tied to the lower side of the dust bagging cylinder 7 through a string. The gas is extracted through the gas recovery pipe 2 above the dust collection cylinder 1. During the process of gas extraction, a large amount of dust is carried by the gas into the dust collection cylinder 1. An external water pipe is connected through the second water pipe joint 11 provided, so as to provide water source for the arc-shaped pipe 9 and the spray nozzles 10. The dust in the dust collection cylinder 1 is sprayed into a wet state by the water mist generated by the spray nozzles 10. The dust gets damp and falls into the dust collection woven bag at the bottom of the dust bagging cylinder 7. After the dust collection woven bag is full, it can be taken down, tied tightly at the bag mouth with a rope and transported away by a mine car.
[0033] The installation method, connection method, or setting method disclosed in this embodiment are all common mechanical methods, and any method that can achieve its beneficial effects can be implemented. It should be noted that in this article, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to this application.
[0034] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including", or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article, or device. Without further limitation, an element defined by the phrase "comprising a..." does not exclude the presence of additional identical elements in the process, method, article, or device comprising the element.
[0035] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. Powder collection device for coal mine gas drainage boreholes, including a dust collection cylinder (1), characterized in that: A gas recovery pipe (2) is arranged on the upper side of the dust collection cylinder (1). A pressure plate (4) is arranged on the left side of the dust collection cylinder (1). A first water pipe joint (5) is arranged on the outer wall of the dust collection cylinder (1). A spray assembly is arranged outside the pressure plate (4). The spray assembly includes an arc-shaped pipe (9) arranged outside the pressure plate (4). Spray nozzles (10) are arranged on the outer wall of the arc-shaped pipe (9). The spray nozzles (10) penetrate through the pressure plate (4) and are communicated with the inside of the dust collection cylinder (1). A second water pipe joint (11) is arranged at the outer end of the arc-shaped pipe (9).
2. The powder collection device for coal mine gas drainage boreholes according to claim 1, characterized in that: A connecting pipe (8) is arranged at one end of the dust collection cylinder (1) away from the pressure plate (4). The connecting pipe (8) is fixedly welded to the dust collection cylinder (1). A connecting flange is arranged at one end of the connecting pipe (8) away from the dust collection cylinder (1).
3. The powder collection device for coal mine gas drainage boreholes according to claim 1, characterized in that: A dust bagging cylinder (7) is arranged at the bottom of the dust collection cylinder (1). The dust bagging cylinder (7) is fixedly welded to the dust collection cylinder (1).
4. The powder collection device for coal mine gas drainage boreholes according to claim 3, wherein: Convex rings are arranged on the outer wall of the dust bagging cylinder (7), and the number of the convex rings is set to 3-4.
5. The powder collection device for coal mine gas drainage boreholes according to claim 1, wherein: The number of the spray nozzles (10) is set to 2-3. The arc-shaped pipe (9) is fixedly installed on the outer wall of the pressure plate (4) by screws.
6. The powder collection device for coal mine gas drainage boreholes according to claim 1, characterized in that: The pressure plate (4) is clamped on the left side of the dust collection cylinder (1). A rubber pad (3) is arranged between the pressure plate (4) and the dust collection cylinder (1).
7. The powder collection device for coal mine gas drainage boreholes according to claim 1, characterized in that: The gas recovery pipe (2) is fixedly welded to the upper side of the dust collection cylinder (1). A lifting ring (6) is also arranged on the outer wall of the dust collection cylinder (1).
8. The powder collection device for coal mine gas drainage boreholes according to claim 7, characterized in that: The lifting ring (6) is fixedly welded to the dust collection cylinder (1). The number of the lifting rings (6) is set to four, and the four lifting rings (6) are respectively located on the front and back sides of the dust collection cylinder (1).