CN111734472A - Prevent dryer device of gas adverse current - Google Patents
Prevent dryer device of gas adverse current Download PDFInfo
- Publication number
- CN111734472A CN111734472A CN202010740693.3A CN202010740693A CN111734472A CN 111734472 A CN111734472 A CN 111734472A CN 202010740693 A CN202010740693 A CN 202010740693A CN 111734472 A CN111734472 A CN 111734472A
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- Prior art keywords
- baffle
- gas
- screen plate
- plate
- fixing plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000002411 adverse Effects 0.000 title claims abstract description 5
- 238000001179 sorption measurement Methods 0.000 claims abstract description 24
- 238000007790 scraping Methods 0.000 claims abstract description 19
- 238000010030 laminating Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 24
- 239000000428 dust Substances 0.000 description 11
- 229910052500 inorganic mineral Inorganic materials 0.000 description 7
- 239000011707 mineral Substances 0.000 description 7
- 239000003245 coal Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 230000003245 working effect Effects 0.000 description 3
- 241001233242 Lontra Species 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21F1/006—Ventilation at the working face of galleries or tunnels
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21F1/08—Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21F1/14—Air partitions; Air locks
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a wind barrel device for preventing gas from flowing reversely, which comprises a device shell, scraping rods, a connecting rod and a rubber pad, wherein a fixing plate is connected with screws in the device shell, a driving motor is fixedly welded on the fixing plate, a return spring is fixedly welded on a push block, an upper supporting rod is fixedly welded at the top end of the return spring, a sliding groove is formed in an adsorption screen plate, a sliding block is movably connected in the sliding groove, a baffle is movably connected on the sliding block, the baffle is hinged on the fixing plate, and the rubber block is connected on the baffle by screws. This prevent dryer device of gas adverse current is provided with the baffle, and at the outage suddenly, when the fixed axle stall, the ejector pad normal position that restores, and the baffle rotates downwards to laminating mutually with the rubber pad, and the baffle combines the rubber pad can be effectual carry out the work of sealing device shell inside fast this moment, and then can effectively prevent the gas in the device shell against the current, has effectively improved the use high efficiency of device.
Description
Technical Field
The invention relates to the technical field of countercurrent prevention devices, in particular to an air duct device for preventing gas from flowing against the countercurrent.
Background
The mine is a shaft tunnel forming an underground coal mine production system, the common coal mine belongs to a high-gas mine, and the gas concentration of the working face is very high in the construction stage of the driving working face of the coal mine, so that in the working process of the mine, a ventilation device is needed to convey fresh air into the shaft tunnel of the mine, and then a fan is needed to be combined with an air duct device to dilute the harmful gas and the air after mine dust is exhausted out of the ground, so that the quality of underground air is ensured, and the concentration of the mine dust is limited within a safety range.
Most of the existing air duct devices have the following problems:
firstly, when a power failure occurs suddenly in a coal mine construction site, the fan stops rotating, at the moment, the air volume in the air duct is reduced, the gas concentration is increased, the air duct device cannot effectively prevent gas from flowing backwards, and toxic and harmful gases such as high-concentration gas flow backwards in the air duct and are discharged into a roadway to cause potential safety hazards;
second, when the air after the harmful gas and the mineral dust of dashing light was discharged to conventional dryer device, can not in time effectually filter mineral dust and harmful gas and clear away, a large amount of harmful gas and mineral dust are arranged and are caused air pollution easily in the air.
Therefore, we propose an air duct device for preventing the backflow of gas so as to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide an air duct device for preventing gas from flowing reversely, and aims to solve the problems that the air duct device in the prior market cannot effectively prevent gas from flowing reversely and cannot timely and effectively filter and remove mineral dust and harmful gas.
In order to achieve the purpose, the invention provides the following technical scheme: a wind tube device for preventing gas from flowing reversely comprises a device shell, a scraping rod, a connecting rod and a rubber pad, wherein a fixed plate is connected with screws in the device shell, a driving motor is fixedly welded on the fixed plate, the output end of the driving motor is rotatably connected with a fixed shaft, an exhaust fan is fixedly welded at the bottom end of the fixed shaft, the scraping rod is welded on the fixed shaft, a bearing of the exhaust fan is connected in the device shell, a filter plate is connected with screws in the device shell, an adsorption screen plate is arranged in the device shell, a lower support rod is hinged on the adsorption screen plate, a push block is connected at the top end of the lower support rod through a screw, a reset spring is fixedly welded on the push block, an upper support rod is fixedly welded at the top end of the reset spring, the upper support rod is connected on the fixed plate in a sliding manner, a sliding groove, and the sliding block is movably connected with a baffle plate, the baffle plate is hinged on the fixing plate, and the baffle plate is connected with a rubber block through a screw.
Preferably, the device shell is connected with rubber pads through screws, the baffles are symmetrically distributed on the left side and the right side of the fixing plate, and the fixing plate corresponds to the rubber blocks one to one.
Preferably, the fixed plate is fixed in the middle of the device shell, the cross section of the fixed plate is in a T shape, and the diameter of the bottom end face of the fixed plate is larger than the distance between the support rods on two sides.
Preferably, the bottom end face of the filter screen plate is attached to the top end face of the scraping rod, the scraping rods are distributed on the fixed shaft at equal angles, and the side end face of the scraping rod is attached to the inner wall of the device shell.
Preferably, the top end face of the filter screen plate is attached to the bottom end face of the adsorption screen plate, the adsorption screen plate is connected with the device shell through a bearing, and the central axis of the adsorption screen plate and the central axis of the chute are located on the same vertical central line.
Preferably, the joint rod is provided with 2 groups, each group of joint rods is provided with 2 joint rods, the 2 joint rods are rotatably connected, the joint rods are hinged with the sliding block and the baffle, and the joint rods are arranged in the middle of the baffle.
Compared with the prior art, the invention has the beneficial effects that: the air duct device for preventing gas from flowing backwards;
(1) the device is provided with the filter screen plate, the fixed shaft drives the exhaust fan to rotate in the device shell, so that air can be discharged upwards, the filter screen plate can filter mine dust in the air, the adsorption screen plate can adsorb and remove harmful substances in the air, and further the pollution of subsequent air can be effectively prevented, the scraping rod can be driven to rotate on the filter screen plate while the fixed shaft rotates, further the mine dust filtered on the filter screen plate can be scraped, the gradual reduction of the ventilation effect caused by the blockage of the filter screen plate after long-time use can be effectively prevented, and the use stability of the device is improved;
(2) the device is provided with the baffle, can drive the lower support bar rotation on the absorption otter board when the fixed axle pivoted, combine this moment to go up the bracing piece and can drive the ejector pad and carry out centrifugal rotation work, can promote the baffle through outside promotion extension rod and upwards rotate, can carry out stable work of airing exhaust this moment, and cut off the power supply suddenly, when the fixed axle stall, the ejector pad normal position returns, and the baffle rotates downwards to laminating mutually with the rubber pad, the baffle combines the rubber pad can be effectual fast and seals the work with device shell inside this moment, and then can effectively prevent the gas countercurrent in the device shell, the use high efficiency of device has effectively been improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic top view of the exhaust fan of the present invention;
FIG. 3 is a schematic top view of the chute of the present invention;
FIG. 4 is a schematic bottom view of the upper support bar of the present invention;
FIG. 5 is a schematic top view of the scraper bar of the present invention;
fig. 6 is a schematic view of a bottom view of the rubber cushion of the present invention.
In the figure: 1. a device housing; 2. a fixing plate; 3. a drive motor; 4. a fixed shaft; 5. an exhaust fan; 6. a filter screen plate; 7. a scraping rod; 8. adsorbing the screen plate; 9. a lower support bar; 10. a push block; 11. an upper support rod; 12. a return spring; 13. a chute; 14. a slider; 15. a connecting rod; 16. a baffle plate; 17. a rubber block; 18. and (7) a rubber pad.
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.
Referring to fig. 1-6, the present invention provides a technical solution: a wind barrel device for preventing gas from flowing reversely comprises a device shell 1, a fixing plate 2, a driving motor 3, a fixing shaft 4, an exhaust fan 5, a filter screen plate 6, scraping rods 7, an adsorption screen plate 8, a lower supporting rod 9, a push block 10, an upper supporting rod 11, a reset spring 12, a sliding chute 13, a sliding block 14, a connecting rod 15, a baffle 16, a rubber block 17 and a rubber pad 18, wherein the fixing plate 2 is connected with the screw in the device shell 1, the driving motor 3 is fixedly welded on the fixing plate 2, the output end of the driving motor 3 is rotatably connected with the fixing shaft 4, the exhaust fan 5 is fixedly welded at the bottom end of the fixing shaft 4, the scraping rods 7 are welded on the fixing shaft 4, the exhaust fan 5 is connected in the device shell 1 in a bearing manner, the filter screen plate 6 is connected with the screw in the device shell 1, the adsorption screen plate 8 is arranged in the device shell 1, the lower supporting rod 9, welded fastening has reset spring 12 on pushing block 10, and reset spring 12's top welded fastening has last bracing piece 11 to last bracing piece 11 sliding connection has seted up spout 13 on adsorbing otter board 8 on fixed plate 2, and swing joint has slider 14 in the spout 13, and swing joint has baffle 16 on the slider 14, and baffle 16 articulates on fixed plate 2, and the last screw connection of baffle 16 has block rubber 17.
The device shell 1 is internally screwed with a rubber pad 18, the baffle plates 16 are symmetrically distributed on the left side and the right side of the fixing plate 2, the fixing plate 2 and the rubber blocks 17 correspond one to one, the stability of the working effect of the baffle plates 16 on the fixing plate 2 can be ensured, and the use safety of the device is improved.
The fixed plate 2 is fixed in the middle of the device shell 1, the cross section of the fixed plate 2 is T-shaped, the diameter of the bottom end face of the fixed plate 2 is larger than the distance between the support rods 11 on two sides, and the adverse effect of the fixed plate 2 on the support rods 11 can be effectively avoided.
The bottom end face of the filter screen plate 6 is attached to the top end face of the scraping rod 7, the scraping rods 7 are distributed on the fixed shaft 4 at equal angles, the side end face of the scraping rod 7 is attached to the inner wall of the device shell 1, the working effect of the scraping rod 7 on the filter screen plate 6 can be guaranteed to be stable, and the use efficiency of the device is effectively improved.
The top end face of the filter screen plate 6 is attached to the bottom end face of the adsorption screen plate 8, the adsorption screen plate 8 is connected with the device shell 1 through a bearing, the central axis of the adsorption screen plate 8 and the central axis of the sliding groove 13 are located on the same vertical central line, the stability of the connection state between the adsorption screen plate 8 and the device shell 1 can be guaranteed, and the use diversity of the device is increased.
The connecting rods 15 are provided with 2 groups, each group of connecting rods 15 is provided with 2 connecting rods, the 2 connecting rods 15 are rotatably connected, the connecting rods 15 are hinged to the sliding block 14 and the baffle 16, the connecting rods 15 are arranged in the middle of the baffle 16, and the stability of the working effect of the connecting rods 15 on the sliding block 14 and the baffle 16 can be guaranteed.
The working principle is as follows: before the air duct device for preventing the gas from flowing backwards is used, the overall condition of the device needs to be checked firstly, and the normal work can be determined;
when the device starts to work, with reference to fig. 1-6, the driving motor 3 can drive the exhaust fan 5 to rotate in the device shell 1 through the fixed shaft 4 on the fixed plate 2, and the fixed shaft 4 can drive the lower support rod 9 on the adsorption screen plate 8 to rotate while rotating, at the moment, the upper support rod 11 can drive the push block 10 to perform centrifugal rotation work, the push block 10 can push the rotation joint of the connecting rod 15 to move outwards by combining with the reset spring 12 in the rotation process, so as to push the baffle plate 16 to rotate upwards, at the moment, stable air exhaust work can be performed, and the slide block 14 rotates in the chute 13 on the adsorption screen plate 8 while the adsorption screen plate 8 rotates, so that the stability of the working state of the connecting rod 15 can be ensured;
in the air exhaust process, with reference to fig. 1-6, the exhaust fan 5 can exhaust air diluted with harmful gas and mineral dust upwards from the device housing 1, at this time, the mineral dust in the air can be filtered under the action of the filter screen plate 6, and the harmful substances in the harmful gas can be adsorbed and removed under the action of the adsorption screen plate 8, so that the subsequent air pollution can be effectively prevented, the scraping rod 7 can be driven to rotate on the filter screen plate 6 while the fixed shaft 4 rotates, the mineral dust filtered on the filter screen plate 6 can be scraped, and the filter screen plate 6 can be effectively prevented from being blocked after being used for a long time, so that the ventilation effect is gradually reduced;
when power is suddenly cut off, the fixed shaft 4 stops rotating with reference to fig. 1-6, the pushing block 10 returns to the original position under the action of the return spring 12, the baffle 16 rotates downwards under the extrusion pushing action of the rubber block 17 and the action of self gravity, then the baffle 16 rotates to be attached to the rubber pad 18, at the moment, the baffle 16 and the rubber pad 18 can rapidly and effectively seal the inside of the device shell 1, and further gas backflow in the device shell 1 can be effectively prevented, so that the whole device working process is realized, and the contents which are not described in detail in the specification, such as the driving motor 3, the adsorption screen plate 8, the return spring 12 and the rubber pad 18, belong to the prior art known by persons skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a prevent dryer device of gas adverse current, includes device shell (1), scraper bar (7), links up pole (15) and rubber pad (18), its characterized in that: the device is characterized in that a fixing plate (2) is connected with a screw in a shell (1), a driving motor (3) is fixedly welded on the fixing plate (2), the output end of the driving motor (3) is rotatably connected with a fixing shaft (4), an exhaust fan (5) is fixedly welded at the bottom end of the fixing shaft (4), a scraping rod (7) is welded on the fixing shaft (4), a bearing of the exhaust fan (5) is connected in the shell (1), a filter screen plate (6) is connected with the screw in the shell (1), an adsorption screen plate (8) is arranged in the shell (1), a lower support rod (9) is hinged on the adsorption screen plate (8), a push block (10) is connected with the top end of the lower support rod (9) through a screw, a reset spring (12) is fixedly welded on the push block (10), and an upper support rod (11) is fixedly welded at the top end of the, and go up bracing piece (11) sliding connection on fixed plate (2), adsorption screen board (8) are last to have seted up spout (13), and swing joint has slider (14) in spout (13) to swing joint has baffle (16) on slider (14), baffle (16) articulate on fixed plate (2), and the screw connection has rubber block (17) on baffle (16).
2. The air duct device for preventing the backflow of the gas as claimed in claim 1, wherein: the device is characterized in that rubber pads (18) are connected to the device shell (1) through screws, the baffle plates (16) are symmetrically distributed on the left side and the right side of the fixing plate (2), and the fixing plate (2) corresponds to the rubber blocks (17) one by one.
3. The air duct device for preventing the backflow of the gas as claimed in claim 1, wherein: the fixing plate (2) is fixed in the middle of the device shell (1), the cross section of the fixing plate (2) is T-shaped, and the diameter of the bottom end face of the fixing plate (2) is larger than the distance between the supporting rods (11) on two sides.
4. The air duct device for preventing the backflow of the gas as claimed in claim 1, wherein: the bottom end surface of the filter screen plate (6) is attached to the top end surface of the scraping rod (7), the scraping rods (7) are distributed on the fixed shaft (4) at equal angles, and the side end surface of the scraping rod (7) is attached to the inner wall of the device shell (1).
5. The air duct device for preventing the backflow of the gas as claimed in claim 1, wherein: the top end face of the filter screen plate (6) is attached to the bottom end face of the adsorption screen plate (8), the adsorption screen plate (8) is connected with the device shell (1) through a bearing, and the central axis of the adsorption screen plate (8) and the central axis of the sliding groove (13) are located on the same vertical central line.
6. The air duct device for preventing the backflow of the gas as claimed in claim 1, wherein: join in the pole (15) and be provided with 2 groups, and every group links in the pole (15) and is provided with 2 to 2 link in the pole (15) between for rotating the connection, link in addition and be articulated between pole (15) and slider (14) and baffle (16), link in the pole (15) simultaneously and set up the middle part at baffle (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010740693.3A CN111734472B (en) | 2020-07-28 | 2020-07-28 | Prevent dryer device of gas adverse current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010740693.3A CN111734472B (en) | 2020-07-28 | 2020-07-28 | Prevent dryer device of gas adverse current |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111734472A true CN111734472A (en) | 2020-10-02 |
| CN111734472B CN111734472B (en) | 2022-07-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010740693.3A Active CN111734472B (en) | 2020-07-28 | 2020-07-28 | Prevent dryer device of gas adverse current |
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| Country | Link |
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| CN (1) | CN111734472B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009162416A (en) * | 2007-12-29 | 2009-07-23 | National Marine Plastic:Kk | Heat exchange type air pipe |
| CN102900453A (en) * | 2012-10-18 | 2013-01-30 | 山西潞安华信科技发展有限公司 | Mining gas backflow-preventing wind cone device |
| CN206285631U (en) * | 2016-12-08 | 2017-06-30 | 宁波远翔节能环保技术有限公司 | A kind of low-temperature plasma purifying device of additional adsorption unit |
| CN107485938A (en) * | 2017-09-28 | 2017-12-19 | 平潭海创智汇科技有限公司 | A kind of ventilation unit air admission hole filter for saving bridge construction |
| CN209893541U (en) * | 2019-04-28 | 2020-01-03 | 山西二建集团有限公司 | Multifunctional air conditioner |
| CN210768872U (en) * | 2019-09-13 | 2020-06-16 | 鄂托克前旗长城三号矿业有限公司 | Ventilation unit for coal mining |
-
2020
- 2020-07-28 CN CN202010740693.3A patent/CN111734472B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009162416A (en) * | 2007-12-29 | 2009-07-23 | National Marine Plastic:Kk | Heat exchange type air pipe |
| CN102900453A (en) * | 2012-10-18 | 2013-01-30 | 山西潞安华信科技发展有限公司 | Mining gas backflow-preventing wind cone device |
| CN206285631U (en) * | 2016-12-08 | 2017-06-30 | 宁波远翔节能环保技术有限公司 | A kind of low-temperature plasma purifying device of additional adsorption unit |
| CN107485938A (en) * | 2017-09-28 | 2017-12-19 | 平潭海创智汇科技有限公司 | A kind of ventilation unit air admission hole filter for saving bridge construction |
| CN209893541U (en) * | 2019-04-28 | 2020-01-03 | 山西二建集团有限公司 | Multifunctional air conditioner |
| CN210768872U (en) * | 2019-09-13 | 2020-06-16 | 鄂托克前旗长城三号矿业有限公司 | Ventilation unit for coal mining |
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| Publication number | Publication date |
|---|---|
| CN111734472B (en) | 2022-07-15 |
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