CN113586122A - Colliery is combined and is dug working face low windage low noise dryer device - Google Patents
Colliery is combined and is dug working face low windage low noise dryer device Download PDFInfo
- Publication number
- CN113586122A CN113586122A CN202110949226.6A CN202110949226A CN113586122A CN 113586122 A CN113586122 A CN 113586122A CN 202110949226 A CN202110949226 A CN 202110949226A CN 113586122 A CN113586122 A CN 113586122A
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- Prior art keywords
- air duct
- framework
- cloth
- steel wire
- low
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 44
- 239000010959 steel Substances 0.000 claims abstract description 44
- 239000004744 fabric Substances 0.000 claims abstract description 28
- 239000003245 coal Substances 0.000 claims abstract description 19
- 238000009412 basement excavation Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 238000005065 mining Methods 0.000 claims 3
- 239000000428 dust Substances 0.000 abstract description 15
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/04—Air ducts
Abstract
The invention relates to the field of comprehensive excavation of coal mines, in particular to a low-wind-resistance and low-noise air duct device for a comprehensive excavation working face of a coal mine, which comprises a framework air duct, wherein air duct cloth is penetrated inside the framework air duct, one side of the air duct cloth extends out of a suction opening of the framework air duct and covers the outer wall of the framework air duct, and the other side of the air duct cloth extends out of a mounting opening of the framework air duct fan; a plurality of steel wires are installed on the side wall of one end of a fan mounting opening of the framework air duct, a plurality of idler wheels are installed on the side wall of one end of a suction opening of the framework air duct, steel wire ropes are arranged on the outer side of the air duct cloth, annular tightening steel rings are fixed on the outer wall of each steel wire rope, and each steel wire rope penetrates through the idler wheel and the steel wire tightening pulley. The invention utilizes the tensioned and smooth PVC air cylinder cloth to form the circular air pipe on the cylinder wall, thereby reducing the energy loss of the air cylinder along the way, reducing the power of the air fan under the condition of keeping the air suction volume of the dust removal fan unchanged, reducing the energy consumption and improving the dust removal efficiency. Meanwhile, the noise generated by the operation of the fan and the friction between air and the cylinder wall is reduced, and the noise pollution is reduced.
Description
Technical Field
The invention relates to the field of coal mine fully-mechanized excavation, in particular to a low-wind-resistance low-noise air duct device for a coal mine fully-mechanized excavation working face.
Background
The ventilation of the driving face is an important link for the safety production of coal mines, along with the continuous improvement of the mechanization and intelligentization level of the fully mechanized driving face of the coal mines, the dust production amount of the working face is continuously increased while the production strength is increased, and the problems of dust pollution of the fully mechanized driving face and the noise of a dust removal fan are more and more severe.
During the operation of the tunneling machine, gas gushed from coal bodies and dust generated by tunneling are mainly comprehensively treated by a local ventilation system to dilute a polluted area and a dust removal system. The dust removal system mainly comprises a dust removal fan and an air duct, under the condition that the power of the dust removal fan is certain, the air duct for sucking and removing dust loses on-way resistance, the on-way resistance of the air duct increases, the wind energy loss increases, a suction opening often cannot effectively suck dust and gas, and if the power of the fan is increased, the load of the fan is increased, and the noise pollution is also increased.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide the low-wind-resistance and low-noise air duct device for the fully mechanized excavation face of the coal mine.
The purpose of the invention can be realized by the following technical scheme:
a low-wind-resistance and low-noise air duct device for a fully mechanized excavation working surface of a coal mine comprises a framework air duct, wherein air duct cloth is penetrated inside the framework air duct, one side of the air duct cloth extends out of a suction opening of the framework air duct and covers the outer wall of the framework air duct, and the other side of the air duct cloth extends out of a mounting opening of a fan of the framework air duct;
a plurality of steel wire tightening pulleys are installed on the side wall of one end of a fan installation opening of the framework air duct, a plurality of idler wheels are installed on the side wall of one end of an air suction opening of the framework air duct, steel wire ropes are arranged on the outer side of the air duct cloth, annular tightening steel rings are fixed on the outer wall of each steel wire rope, and each steel wire rope penetrates through the idler wheel and the steel wire tightening pulley.
Further, the skeleton air duct is arranged to be retractable in overall length.
Furthermore, the air duct cloth is made of elastic PVC materials.
Furthermore, the number of the steel wire tightening pulleys and the number of the rollers are equal and correspond to one another.
Further, the annular tightening steel ring is arranged at one end of the fan mounting opening.
Furthermore, the steel wire rope is fixed by the annular tightening steel ring and is pulled out from the fan mounting opening to penetrate through the framework air duct, then the steel wire rope is pulled out from the air suction opening of the framework air duct, the steel wire rope passes through the idler wheel on the upper side of the framework air duct and is tightened by the steel wire tightening pulley, and the idler wheel is used for sliding of the air duct cloth and the steel wire rope, so that the framework air duct is convenient to contract and extend.
The invention has the beneficial effects that:
the PVC air duct is smooth in inner wall distribution, so that the air flow energy loss is reduced, the power of the fan is reduced, the noise generated by the friction between the running of the fan and the wall of the air duct is reduced, and the noise pollution is reduced.
The invention utilizes the tensioned and smooth PVC air cylinder cloth to form the circular air pipe on the cylinder wall, thereby reducing the energy loss of the air cylinder along the way, reducing the power of the air fan under the condition of keeping the air suction volume of the dust removal fan unchanged, reducing the energy consumption and simultaneously improving the dust removal efficiency.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts;
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic side view of the overall structure of the present invention;
FIG. 4 is an enlarged schematic view taken at A of FIG. 2 in accordance with the present invention;
FIG. 5 is an enlarged schematic view of the invention at B of FIG. 3;
the reference signs are: skeleton dryer 1, dryer cloth 2, steel wire tighten up pulley 3, cyclic annular steel ring 4 that tightens up, wire rope 5, gyro wheel 6.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a low-wind-resistance and low-noise air duct device for a fully mechanized excavation face of a coal mine, which comprises a framework air duct 1 with the whole length capable of being contracted, air duct cloth 2 is penetrated on the inner side of the framework air duct 1, and the air duct cloth 2 is made of elastic PVC materials.
The outer wall of skeleton dryer 1 is extended and is lived in the cladding from skeleton dryer 1 suction opening to 2 one side of dryer cloth, and 2 opposite sides of dryer cloth extend from skeleton dryer 1 fan installing port.
As shown in fig. 2-5, a plurality of steel wire tightening pulleys 3 are installed on the side wall of one end of the fan installation opening of the framework air duct 1, a plurality of rollers 6 are installed on the side wall of one end of the suction opening of the framework air duct 1, and the steel wire tightening pulleys 3 and the rollers 6 are equal in number and correspond to each other one by one. The outer side of the air duct cloth 2 is provided with a steel wire rope 5, the outer wall of the steel wire rope 5 is fixed with an annular tightening steel ring 4, and the annular tightening steel ring 4 is arranged at one end of the fan mounting opening.
The steel wire rope 5 is fixed by the annular tightening steel ring 4 and is pulled out from the fan mounting opening to penetrate through the framework air duct 1, then the steel wire rope 5 is pulled out from the air suction opening of the framework air duct 1, and the air duct cloth 2 is fixed without sinking. The steel wire rope 5 passes through the idler wheel 6 on the upper side of the framework air duct 1 and is tightened by the steel wire tightening pulley 3, and the idler wheel 6 is used for sliding the air duct cloth 2 and the steel wire rope 5, so that the framework air duct 1 is convenient to contract and extend.
The invention reduces the air flow energy loss and the fan operation power and simultaneously reduces the noise generated by air vibration by utilizing the smooth inner wall of the air cylinder cloth 2. A round air pipe is formed on the wall of the cylinder by using the tensioned and smooth PVC air cylinder cloth 2, so that the on-way energy loss of the air cylinder is reduced, the power of the air blower is reduced under the condition of keeping the air suction quantity of the dust removal fan unchanged, the energy consumption is reduced, and the noise pollution is reduced.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (6)
1. A low-wind-resistance and low-noise air duct device for a fully mechanized excavation working surface of a coal mine comprises a framework air duct (1) and is characterized in that air duct cloth (2) is arranged on the inner side of the framework air duct (1), one side of the air duct cloth (2) extends out of a suction opening of the framework air duct (1) and covers the outer wall of the framework air duct (1), and the other side of the air duct cloth (2) extends out of a fan mounting opening of the framework air duct (1);
a plurality of steel wires are installed to the fan installing port one end lateral wall of skeleton dryer (1) and are tightened up pulley (3), and a plurality of gyro wheels (6) are installed to the suction opening one end lateral wall of skeleton dryer (1), and dryer cloth (2) outside is provided with wire rope (5), and the outer wall of wire rope (5) is fixed with cyclic annular steel ring (4) that tightens up, and wire rope (5) pass gyro wheel (6) and steel wire and tighten up pulley (3).
2. The coal mine fully mechanized coal mining face low wind resistance and low noise air duct device according to claim 1, wherein the skeleton air duct (1) is provided with a contractible overall length.
3. The coal mine fully mechanized coal mining face low wind resistance and low noise air duct device according to claim 2, wherein the air duct cloth (2) is made of elastic PVC material.
4. The coal mine fully mechanized excavation face low wind resistance and low noise air duct device according to claim 1, wherein the number of the wire tightening pulleys (3) and the rollers (6) is equal and one-to-one.
5. The coal mine fully mechanized coal mining face low wind resistance and low noise air duct device according to claim 4, wherein the annular tightening steel ring (4) is arranged at one end of a fan mounting opening.
6. The coal mine fully-mechanized excavation face low-wind-resistance low-noise air duct device according to claim 5, wherein the steel wire rope (5) is fixed by an annular tightening steel ring (4) and is pulled out from a fan mounting opening to penetrate through the framework air duct (1), then the steel wire rope (5) is pulled out from a suction opening of the framework air duct (1), the steel wire rope (5) passes through a roller (6) on the upper side of the framework air duct (1) and is tightened by a steel wire tightening pulley (3), and the roller (6) is used for sliding of the air duct cloth (2) and the steel wire rope (5), so that the framework air duct (1) is convenient to contract and extend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110949226.6A CN113586122A (en) | 2021-08-18 | 2021-08-18 | Colliery is combined and is dug working face low windage low noise dryer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110949226.6A CN113586122A (en) | 2021-08-18 | 2021-08-18 | Colliery is combined and is dug working face low windage low noise dryer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113586122A true CN113586122A (en) | 2021-11-02 |
Family
ID=78238546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110949226.6A Pending CN113586122A (en) | 2021-08-18 | 2021-08-18 | Colliery is combined and is dug working face low windage low noise dryer device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113586122A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004052529A (en) * | 2002-05-28 | 2004-02-19 | Ryuki Engineering:Kk | Suction duct device |
| US20050000055A1 (en) * | 2003-07-02 | 2005-01-06 | Sanford Machinery Co., Ltd. | Dust-removing decice for the dust-collecting tank of a dust-collecting machine |
| CN102251791A (en) * | 2011-06-17 | 2011-11-23 | 重庆工程职业技术学院 | Folded ventilation duct assembly |
| CN110182625A (en) * | 2019-05-21 | 2019-08-30 | 无锡东谷工程科技有限公司 | A kind of entrucking hose of included deduster |
| CN209586410U (en) * | 2019-01-28 | 2019-11-05 | 四川公路桥梁建设集团有限公司 | Major long tunnel jetting type ventilator controllable extensible device |
| CN210217808U (en) * | 2019-07-17 | 2020-03-31 | 阜宁县永达风筒布有限责任公司 | Mining dust isolated form dryer cloth |
| CN212900205U (en) * | 2020-08-27 | 2021-04-06 | 青岛金源汽车油管有限公司 | All-metal air conditioner hose with low flow resistance |
-
2021
- 2021-08-18 CN CN202110949226.6A patent/CN113586122A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004052529A (en) * | 2002-05-28 | 2004-02-19 | Ryuki Engineering:Kk | Suction duct device |
| US20050000055A1 (en) * | 2003-07-02 | 2005-01-06 | Sanford Machinery Co., Ltd. | Dust-removing decice for the dust-collecting tank of a dust-collecting machine |
| CN102251791A (en) * | 2011-06-17 | 2011-11-23 | 重庆工程职业技术学院 | Folded ventilation duct assembly |
| CN209586410U (en) * | 2019-01-28 | 2019-11-05 | 四川公路桥梁建设集团有限公司 | Major long tunnel jetting type ventilator controllable extensible device |
| CN110182625A (en) * | 2019-05-21 | 2019-08-30 | 无锡东谷工程科技有限公司 | A kind of entrucking hose of included deduster |
| CN210217808U (en) * | 2019-07-17 | 2020-03-31 | 阜宁县永达风筒布有限责任公司 | Mining dust isolated form dryer cloth |
| CN212900205U (en) * | 2020-08-27 | 2021-04-06 | 青岛金源汽车油管有限公司 | All-metal air conditioner hose with low flow resistance |
Non-Patent Citations (1)
| Title |
|---|
| 本书编委会: "《中国主要建材企业及知名建材产品概览》", 31 December 1999, 中国建材工业出版社 * |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211102 |
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