CN217055255U - A fog curtain catches dirt device for rectangle return airway - Google Patents
A fog curtain catches dirt device for rectangle return airway Download PDFInfo
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- CN217055255U CN217055255U CN202220326711.8U CN202220326711U CN217055255U CN 217055255 U CN217055255 U CN 217055255U CN 202220326711 U CN202220326711 U CN 202220326711U CN 217055255 U CN217055255 U CN 217055255U
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Abstract
The invention discloses a fog-curtain dust catching device for a rectangular return airway, which comprises a fog-curtain dust catching device frame, wherein the fog-curtain dust catching device frame comprises three cross beams and a vertical beam, the three cross beams are connected through two longitudinal connecting beams at two ends, one cross beam is a full-section spray generating device, a movable lifting ring is hung on the other cross beam, the lifting ring is connected with a plurality of movable vertical bars, the movable vertical bars are connected through metal chain rings, the movable vertical bars are connected with a dust catching net, the dust catching net is divided into a left side and a right side, the lifting ring is connected with two weak-magnetic metal vertical bars which can be automatically closed through magnetism, the lifting ring is connected with two springs and two steel wire ropes through lifting hooks, the two steel wire ropes are connected and combined and then connected with an automatic cylinder through fixed pulleys, the bottom of the vertical beam is provided with an adjustable device, and the adjustable device is connected with a drum wheel; the automatic cylinder is composed of an infrared induction control system and a cylinder, and the cylinder is connected with an air supply pipeline in a roadway. Through adjustable support, bottom pulley and automatic control system, when having realized full section spraying and catching the dust net and remove in coordination, realized that the tunnel crosses the people and crosses the automatic control of car-hour dust net and spraying of catching, use manpower sparingly, improved work efficiency, increased the security of workman's operation.
Description
Technical Field
The utility model relates to a dirt technical field is caught to fog curtain in the pit, specifically discloses a dirt device is caught to fog curtain for rectangle return airway.
Background
In the process of fully mechanized mining face mining, a large amount of dust is generated due to the cutting effect of the cutting head of the coal mining machine and floats in the return airway along with wind current, and the dust floating in the return airway can influence the sight, bring explosion danger and bring occupational health hazard. Aiming at dust control of a return airway, experts at home and abroad develop a large amount of research to obtain a certain result, at present, in the return airway, dust fall mainly comprises two means, namely dust fall by water spraying, which is used for improving the viscosity of coal dust, accelerating nucleation and bonding of the coal dust and realizing dust fall; in another mode, the dust is captured by a screen net, and a water screen is formed on the dust capture net to adsorb dust onto the water screen. When the most common dust removing device is a suspended full-section spraying combined rolling curtain type dust catching net, the suspended spraying and rolling curtain type dust catching net is usually suspended at the top of a roadway and is manually moved along with mining, workers need to ascend through a man-shaped ladder during moving, and inconvenience and danger of falling from a high place exist. Although there are improvements made by experts, CN201921315081.9 and CN201920906488.2 propose dust-catching nets that are easy to disassemble and move. However, two problems still exist at present, namely the full-section spraying and the dust catching net move in a coordinated manner, and the full-section spraying and the dust catching net are automated.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims to provide a fog-curtain dust catching device for rectangle return air lane to full section spraying and the problem that the dust catching net can not remove in coordination and degree of automation is not high among the solution prior art.
In order to achieve the purpose, the utility model provides a fog-curtain dust catching device for rectangle return air lane, catch the dirt device frame including the fog-curtain, the fog-curtain dust catching device frame includes three crossbeam and a vertical beam, three crossbeam is connected through two longitudinal connection roof beams at both ends, one of them crossbeam is full section spraying generating device, it has portable rings to hang on another crossbeam, a plurality of portable vertical bars are connected to rings, link to each other through the metal chain link between each portable montant, portable vertical bar is connected and is caught the dirt net, it divide into two sides about to catch the dirt net, rings are connected with two and can be through the automatic closed weak magnetism metal vertical bar of magnetism, rings pass through two springs of lifting hook connection and two wire rope, connect the automatic cylinder of connection through the fixed pulley after merging for two wire rope, vertical beam bottom sets up adjustable device, adjustable device connects the drum.
The automatic cylinder is composed of an infrared induction control system and a cylinder, and the cylinder is connected with a gas supply pipeline in a roadway.
Particularly, full section water spraying system is the syllogic structure, and its upper portion crossbeam is close to the tunnel roof, and both sides are close to the tunnel lateral wall, and full section spraying generating device connects the tunnel water supply pipe, is opened and is closed by infrared induction control system control valve, and rivers pass through the valve by the tunnel water supply pipe and flow into the pipeline, follow the nozzle and spray the water curtain.
In particular, the cross-section spraying system is 0.5m away from the beam suspending the dust-catching net, the distance between the nozzles is 0.5m, and the nozzle angle is 45 °.
In particular, the dust catching net is made of polyvinylidene chloride and has 2mm mesh.
Particularly, two fog screen dust collecting devices are arranged in a rectangular roadway at the same time, and the interval is 8-10 m.
Particularly, the frame of the fog screen dust catching device and the movable vertical bar are made of hollow six-part steel pipes.
In particular, the whole device is of an integral structure, and the full-section spraying system and the dust catching net move integrally.
The utility model discloses following technological effect has:
through adjustable support, bottom pulley and automatic control system, when having realized full section spraying and catching the dust net and remove in coordination, realized that the tunnel crosses the people and crosses the automatic control of car-hour dust net and spraying of catching, use manpower sparingly, improved work efficiency, increased the security of workman's operation.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the specification which follows.
Drawings
Fig. 1 is a schematic structural view of the mist curtain dust catching device of the present invention.
Fig. 2 is the utility model discloses a dust system tunnel installation schematic diagram is caught to fog curtain.
Fig. 3 is a schematic structural view of the full-face spraying system of the present invention.
In the figure: 1. a full-section spray generating device; 2. a nozzle; 3. a spring; 4. a hook; 5. a first wire rope; 6. a fixed pulley; 7. a longitudinal connecting beam; 8. a fog screen dust catching device frame; 9. a movable vertical bar; 10. a movable hoisting ring; 11. a metal link; 12. an adjustable device; 13. a drum; 14. an automatic cylinder; 15. a second wire rope; 16. a rectangular roadway; 17. an infrared sensing control system; 18. a dust catching net; 19. and (5) erecting a bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention.
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-3, the utility model provides a fog-curtain dust catching device for rectangular return airway, which is characterized in that it comprises 8 a fog-curtain dust catching device frame, the fog-curtain dust catching device frame 8 comprises three beams and a vertical beam, the three beams are connected by two longitudinal connecting beams 7 at both ends, one beam is a full-section spray generating device 1, the other beam is hung with a movable hanging ring 10, the movable hanging ring 10 is connected with a movable vertical bar 9, the movable vertical bars are connected by a metal chain ring 11, the movable vertical bar 9 is connected with a dust catching net 18, the dust catching net 18 is divided into left and right sides, the hanging ring 10 is connected with two weak magnetic metal vertical bars 19, the two vertical bars 19 can be automatically closed by magnetism, the hanging ring 10 is connected with two springs 3 and two first steel wire ropes 5 by a hanging hook 4, the two first steel wire ropes 5 are connected and combined and then connected with a second steel wire rope 15, the second steel wire rope 15 is connected with an automatic cylinder 14 through a fixed pulley 6 arranged on the third beam, an adjustable device 12 is arranged at the bottom of the vertical beam, and the adjustable device 12 is connected with a drum 13.
Specifically, the automatic cylinder 14 is composed of an infrared induction control system 17 and a cylinder, and the cylinder is connected with an air supply pipeline in a roadway. When people and vehicles pass through the infrared induction system in the roadway, the infrared induction system starts the air cylinder, the air cylinder releases the second steel wire rope 15, and the dust catching net is opened under the elastic action of the spring 3. When people pass through, the cylinder pulls the second steel wire rope 15, the second steel wire rope 15 pulls the first steel wire rope 5 through the fixed pulley 6, the first steel wire rope 5 drags the hanging ring 10, the hanging ring 10 moves towards the middle, the two vertical bars 19 are close to each other, and the two vertical bars 19 attract each other through weak magnetism of the vertical bars 19 to be closed, so that the dust catching net covers the whole section, and the full-section dust catching is realized.
Specifically, full section spraying generating device 1 connects tunnel water supply pipe, is opened and is closed by infrared induction control system 17 control valve, and rivers are passed through the valve by tunnel water supply pipe and are flowed into the pipeline, from nozzle 2 injection water curtain. When people and vehicles pass through the infrared sensor in the roadway, the infrared sensing system closes the water supply valve, and spraying stops.
Specifically, promote the fog screen through drum 13 and catch the dirt system, can realize the removal that the dirt system was caught to the fog screen, when the tunnel height changed, accessible bottom adjustable device 12 adjusted the height that the dirt device was caught to the fog screen, made it cover the whole section in tunnel.
Specifically, the fog screen dust catching device frame 8 and the movable vertical bar 9 are made of hollow six-part steel pipes. The distance between the full-section spraying system 1 and a beam for hanging the dust catching net is 0.5m, the distance between nozzles is 0.5m, and the angle of the nozzles is 45 degrees. The dust catching net 18 is made of polyvinylidene chloride and has 2mm meshes.
Specifically, two fog screen dust collecting devices are arranged in the rectangular roadway 16 at intervals of 8-10 m.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be pointed out that to those skilled in the art, without departing from the structure of the present invention, a plurality of modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the utility of the present invention.
Claims (7)
1. A fog-curtain dust catching device for a rectangular return airway is characterized by comprising a fog-curtain dust catching device frame, wherein the fog-curtain dust catching device frame comprises three cross beams and a vertical beam, the three cross beams are connected through two longitudinal connecting beams at two ends, one cross beam is a full-section spray generating device, a movable lifting ring is hung on the other cross beam and is connected with a plurality of movable vertical bars, the movable vertical bars are connected through metal chain rings, the movable vertical bars are connected with a dust catching net which is divided into a left side and a right side, the lifting ring is connected with two weak-magnetic metal vertical bars capable of being automatically closed through magnetism, the lifting ring is connected with two springs and two steel wire ropes through lifting hooks, the two steel wire ropes are connected and combined and then are connected with an automatic cylinder through fixed pulleys, the bottom of the vertical beam is provided with an adjustable device, and the adjustable device is connected with a drum wheel; the automatic cylinder is composed of an infrared induction control system and a cylinder, and the cylinder is connected with a gas supply pipeline in a roadway.
2. The fog-curtain dust catching device for the rectangular return airway as claimed in claim 1, wherein the full-face spray system is a three-section structure, the upper beam thereof is close to the top plate of the airway, the two sides thereof are close to the lateral walls of the airway, the full-face spray generator is connected with the water supply pipe of the airway, the infrared induction control system controls the valve to open and close, and water flows from the water supply pipe of the airway into the pipeline through the valve, and the water curtain is sprayed from the nozzle.
3. The fog screen dust catching device for the rectangular return airway as claimed in claim 1 or 2, wherein the section spraying system is 0.5m away from the beam suspending the dust catching net, the distance between the nozzles is 0.5m, and the nozzle angle is 45 °.
4. The fog screen dust catching device for the rectangular return airway as claimed in claim 1 or 2, wherein the dust catching net is made of polyvinylidene chloride and has a mesh size of 2 mm.
5. The fog screen dust catching device for the rectangular return airway as claimed in claim 3, wherein two fog screen dust catching devices are arranged in the rectangular return airway at the same time, and the interval is 8-10 m.
6. The fog screen dust catching device for the rectangular return airway as claimed in claim 5, wherein the frame of the fog screen dust catching device and the movable vertical bar are made of hollow six-part steel pipes.
7. The fog curtain dust catching device for the rectangular return airway as claimed in claim 6, wherein the whole device is of an integral structure, and the full-section spraying system and the dust catching net move integrally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220326711.8U CN217055255U (en) | 2022-02-17 | 2022-02-17 | A fog curtain catches dirt device for rectangle return airway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220326711.8U CN217055255U (en) | 2022-02-17 | 2022-02-17 | A fog curtain catches dirt device for rectangle return airway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217055255U true CN217055255U (en) | 2022-07-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220326711.8U Active CN217055255U (en) | 2022-02-17 | 2022-02-17 | A fog curtain catches dirt device for rectangle return airway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217055255U (en) |
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2022
- 2022-02-17 CN CN202220326711.8U patent/CN217055255U/en active Active
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