CN216691140U - Coal mine dust removal system for driving working face - Google Patents
Coal mine dust removal system for driving working face Download PDFInfo
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- CN216691140U CN216691140U CN202220321499.6U CN202220321499U CN216691140U CN 216691140 U CN216691140 U CN 216691140U CN 202220321499 U CN202220321499 U CN 202220321499U CN 216691140 U CN216691140 U CN 216691140U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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Abstract
The utility model relates to a coal mine dust removal system for a driving face, which belongs to the field of coal mine safety and comprises: the air supply air cylinder is connected with a ventilator and used for blowing air flow to the tunneling working surface through the air supply air cylinder; the wet dust collector is arranged on the tunneling working surface and used for receiving the dust-containing air flow and removing dust from the dust-containing air flow; the tunneling machine is arranged on the tunneling working face and is used for tunneling the tunneling working face; the belt conveyor is arranged on the tunneling working face and used for receiving and conveying coal cinder dug by the tunneling machine; the longitudinal beam of the belt conveyor is provided with a first support, the first support is provided with a second support, the second support is a U-shaped support, and the second support is used for supporting a dust collector air duct of a wet dust collector. The technical scheme provided by the utility model can avoid the damage of the air supply wind barrel in the tunneling process.
Description
Technical Field
The utility model relates to the technical field of coal mine safety, in particular to a coal mine dust removal system for a tunneling working face.
Background
The dust is the most main occupational disease hazard factor of mine enterprises, and each production procedure in the mining and selecting process of the mine can generate a certain amount of dust, and particularly, the concentration of the generated dust is highest in a crushing and screening production system of an underground mining working surface and a ground surface. Mine dust is mainly high-concentration fine dust which is not easy to settle, and has great harm to physical and mental health of workers at operation posts, and pneumoconiosis can be caused. Meanwhile, high-concentration dust is easy to explode and deflagrate, and production safety accidents are easy to cause. The wet dust collector is the first choice dust collecting equipment of a mine dust collecting system, and the main reasons are that the wet dust collector has low investment, simple structure and easy operation, and can effectively purify gas with high humidity and viscous dust.
In the related art, due to the size limitation of the section of the working surface, the gap between the outer convex part of the air duct bracket of the wet dust collector and the air supply air duct is small. The heading machine needs to move back and forth along with the continuous propulsion of the heading face in the heading process, and at the moment, the scratch phenomenon is generated between the external convex part of the air duct bracket and the air supply air duct, so that the air supply air duct on the working face is damaged.
Therefore, in response to the above deficiencies, it is desirable to provide a coal mine dust removal system for use in a driving face.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims to solve the technical problem of how to avoid the damage of an air supply air duct in the tunneling process.
(II) technical scheme
In order to solve the technical problem, the utility model provides a coal mine dust removal system for a driving face, which comprises:
the air supply air cylinder is connected with a ventilator and used for blowing air flow to the tunneling working surface through the air supply air cylinder;
the wet dust collector is arranged on the tunneling working surface and used for receiving dust-containing airflow and removing dust from the dust-containing airflow;
the tunneling machine is arranged on the tunneling working face and is used for tunneling the tunneling working face;
the belt conveyor is arranged on the tunneling working surface and is used for receiving and conveying coal cinder dug by the tunneling machine;
the wet type dust collector is characterized in that a first support is arranged on a longitudinal beam of the belt conveyor, a second support is arranged on the first support, the second support is a U-shaped support, and the second support is used for supporting a dust collector air duct of the wet type dust collector.
As a further description of the present invention, preferably, a portion of the first bracket, which is attached to the second bracket, is an arc surface.
As a further description of the present invention, preferably, the air supply duct is located on one side of the center of gravity of the first bracket, and the second bracket is located on the other side of the center of gravity of the first bracket.
As a further explanation of the utility model, it is preferable that an illumination lamp is further included, and the illumination lamp is used for providing illumination for the heading face.
As a further explanation of the present invention, it is preferable that a supercharger is further included, and the supercharger is connected between the air supply duct and the ventilator.
As a further description of the present invention, preferably, the air supply duct is a coanda duct, and the coanda duct is used for generating a rotating air flow blowing to the tunneling working surface.
As a further explanation of the present invention, it is preferable that the inside of the wet dust collector is provided with a filtering water spraying device, a fiber mesh plate and a corrugated water baffle plate in sequence along the flow direction of the dusty gas flow.
(III) advantageous effects
The technical scheme of the utility model has the following advantages: the first support is arranged on the longitudinal beam of the belt conveyor, the second support is arranged on the first support and is a U-shaped support, the second support is used for supporting the dust collector air duct of the wet dust collector, a certain safety distance is generated between the second support used for supporting the dust collector air duct and the air supply air duct, the scratching phenomenon is avoided, the service life of the air supply air duct is prolonged, and various potential safety hazards caused by insufficient air quantity are eliminated.
Drawings
Fig. 1 is a schematic structural diagram of a coal mine dust removal system for a heading face according to an embodiment of the utility model.
In the figure:
10. tunneling a working face;
11. an air supply wind barrel;
21. a dust remover air duct;
3. a belt conveyor; 31. a stringer; 32. a first bracket; 33. a second bracket; 321. a cambered surface;
4. an illuminating lamp.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the embodiments of the present invention, unless explicitly specified or limited otherwise, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it should be understood that the terms "upper" and "lower" as used in the description of the embodiments of the present invention are used in the angle shown in the drawings, and should not be construed as limiting the embodiments of the present invention. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
In the related technology, the development machine needs to move back and forth along with the continuous propulsion of a development working face in the development process of a coal mine, and at the moment, a scraping phenomenon is generated between the outer protrusion of an air duct bracket of the original dust remover and an air supply air duct; the air supply air duct on the working face is seriously damaged, the air leakage phenomenon of the air duct and insufficient air supply of the working face are generated, the gas and harmful gas exceed the standard, the potential safety hazard exists, and the air supply air duct needs to be manually and frequently maintained and replaced at the moment. A large amount of manpower, financial resources and material resources are input, time and labor are wasted, and production is even influenced.
In order to solve the technical problem, the embodiment of the utility model provides a coal mine dust removal system for a driving face, and the dust removal system is mainly described below.
As shown in fig. 1, a coal mine dust removal system for a driving face according to an embodiment of the present invention includes:
the air supply air duct 11 has an air outlet facing the tunneling working surface 10, and the air supply air duct 11 is connected with a ventilator which is used for blowing air flow to the tunneling working surface 10 through the air supply air duct 11;
a wet dust collector (not shown) disposed on the driving face 10, the wet dust collector being configured to receive the dust-containing air flow and remove dust from the dust-containing air flow;
a heading machine (not shown) provided on the heading face 10, the heading machine being configured to heading the heading face 10;
the belt conveyor 3 is arranged on the tunneling working surface 10, and the belt conveyor 3 is used for receiving and conveying coal cinder dug by the tunneling machine;
the longitudinal beam 31 of the belt conveyor 3 is provided with a first support 32, the first support 32 is provided with a second support 33, the second support 33 is a U-shaped support, and the second support 33 is used for supporting a dust collector air duct 21 of a wet dust collector.
In this embodiment, the first support 32 is arranged on the longitudinal beam 31 of the belt conveyor 3, the second support 33 is arranged on the first support 32, the second support 33 is a U-shaped support, the second support 33 is used for supporting the dust collector air duct 21 of the wet dust collector, a certain safety distance is generated between the second support 33 used for supporting the dust collector air duct 21 and the air supply air duct 11, the scratch phenomenon is avoided, the service life of the air supply air duct is ensured to be prolonged, and various potential safety hazards caused by insufficient air volume are eliminated.
It can be understood that the first bracket 32 and the second bracket 33 can be made of standard components, and have simple and reasonable structure and easy assembly and disassembly. The first support 32 and the second support 33 are more stable and firm in matching, not easy to damage and good in stability.
In some embodiments, the first support 32 and the second support 33 are a unified whole, which does not need to be assembled, facilitates transportation, installation or retraction in the well, prolongs the service life of the equipment, and is economical. Above-mentioned technical scheme can avoid the damage of air feed dryer when the colliery is tunneled, saves workman intensity of labour, and labour saving and time saving improves colliery production efficiency.
In some embodiments, the first bracket 32 and the second bracket 33 may be assembled separately, for example, by welding in the field to form a single unit. The part of the first support 32, which is attached to the second support 33, is an arc 321.
In the present embodiment, by providing the arc 321, the contact area of the first bracket 32 and the second bracket 33 can be increased, thereby increasing the fixing strength of the first bracket 32 and the second bracket 33.
In some embodiments, the air supply duct 11 is located on one side of the center of gravity of the first support 32, and the second support 33 is located on the other side of the center of gravity of the first support 32.
In this embodiment, through setting up air feed dryer 11 and second support 33 respectively in the centrobaric both sides of first support 32 to be favorable to making and producing certain safe distance between dust remover dryer transformation support and the air feed dryer, avoided the phenomenon of scratching, ensure the normal use of air feed dryer.
In some embodiments, the dust removal system further comprises an illumination lamp 4, and the illumination lamp 4 is used for providing illumination for the heading face 10.
In some embodiments, the dust removing system further includes a supercharger (not shown), and the supercharger is connected between the air supply duct 11 and the ventilator.
In this embodiment, through setting up the booster, be favorable to increasing the air-out speed and the air output of air feed dryer 11 to be favorable to improving dust collection efficiency and dust removal effect.
In some embodiments, the air supply duct 11 is a coanda duct for generating a rotating air flow directed towards the driving face 10.
In the embodiment, the coanda air duct is arranged, so that more dust can be fed into the wet dust collector by utilizing the rotating air flow. Coanda ducts are well known to those skilled in the art and are not described in detail herein.
In some embodiments, the interior of the wet scrubber is provided with a filter water jet device (not shown), a fiber mesh sheet (not shown) and a corrugated water baffle (not shown) in sequence along the flow direction of the dusty gas stream.
The wet dust collector is fixedly connected to the rear side of the tunneling machine, a ventilator and an air supply air cylinder 11 are installed on the upper portion of a tunneling working face, and an air outlet of the air supply air cylinder 11 is close to the tunneling machine. Under the action of the ventilator, air flow is blown into the working surface 10 of the heading machine through the air supply duct 11, and dust-containing air flow is brought into an air inlet of the wet dust collector. The upper part in the air inlet of the wet dust collector is provided with a filtering water spraying device, dust-containing air flow and water can be mixed for the first time to form atomized dust-containing gas, and the atomized dust-containing gas with larger dust particle size can enter the fiber screen plate along the fibersThe web plate converges to a first drainage opening below the fibrous web plate. Then, the atomized dust-containing airflow passing through the fiber screen plate can continuously enter the mixing chamber to be further mixed and atomized, the water mist collects the dust with smaller particle size in the mixing chamber, the dust with smaller particle size is mixed with the water mist for the second time, the atomized dust-containing airflow passes through a water outlet at the lower part of the mixing chamber and can be collected and processed, and finally the airflow containing a large amount of water vapor is collected and processed through the wave-shaped water baffle plate and is discharged through the wave-shaped water baffle plate. Before the dust remover is used on the driving working face, the dust concentration in the dust-containing air flow reaches 80mg/m when the driving working face works3The gas concentration of the dust in the driving working flour dust after the dust remover is used is 8mg/m3The dust removal efficiency is 90%, and a good dust removal effect is achieved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. A coal mine dust removal system for a driving face, comprising:
the air supply air cylinder (11) has an air outlet facing the tunneling working surface (10), the air supply air cylinder (11) is connected with a ventilator, and the ventilator is used for blowing air flow to the tunneling working surface (10) through the air supply air cylinder (11);
the wet dust collector is arranged on the tunneling working surface (10) and is used for receiving dust-containing airflow and removing dust from the dust-containing airflow;
the tunneling machine is arranged on the tunneling working face (10) and is used for tunneling the tunneling working face (10);
the belt conveyor (3) is arranged on the tunneling working face (10), and the belt conveyor (3) is used for receiving and conveying coal cinder dug by the tunneling machine;
be provided with first support (32) on longeron (31) of belt feeder (3), be provided with second support (33) on first support (32), second support (33) are U type support, second support (33) are used for supporting wet dust collector's dust remover dryer (21).
2. A coal mine dust removal system for a driving face according to claim 1, wherein the part of the first support (32) that abuts the second support (33) is an arc face (321).
3. A coal mine dusting system for a driving face according to claim 1, characterized in that the air supply duct (11) is located on one side of the centre of gravity of the first bracket (32) and the second bracket (33) is located on the other side of the centre of gravity of the first bracket (32).
4. A coal mine dusting system for a driving face according to claim 1, characterized by further comprising an illumination lamp (4), said illumination lamp (4) being used to provide illumination to said driving face (10).
5. A coal mine dust removal system for a driving face according to claim 1, further including a booster connected between the air supply duct (11) and the ventilator.
6. The coal mine dust removal system for a driving face according to claim 1, wherein the air supply duct (11) is a coanda duct for generating a rotating air flow blowing towards the driving face (10).
7. A coal mine dust removal system for a driving face according to any one of claims 1 to 6, wherein the interior of the wet dust collector is provided with a filter water jet device, a fiber mesh plate and a wave water baffle in sequence along the flow direction of the dusty gas flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220321499.6U CN216691140U (en) | 2022-02-17 | 2022-02-17 | Coal mine dust removal system for driving working face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220321499.6U CN216691140U (en) | 2022-02-17 | 2022-02-17 | Coal mine dust removal system for driving working face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216691140U true CN216691140U (en) | 2022-06-07 |
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ID=81828991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220321499.6U Active CN216691140U (en) | 2022-02-17 | 2022-02-17 | Coal mine dust removal system for driving working face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216691140U (en) |
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2022
- 2022-02-17 CN CN202220321499.6U patent/CN216691140U/en active Active
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