CN211500702U - Coal mine safety ventilation explosion-proof equipment - Google Patents
Coal mine safety ventilation explosion-proof equipment Download PDFInfo
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- CN211500702U CN211500702U CN201922453011.6U CN201922453011U CN211500702U CN 211500702 U CN211500702 U CN 211500702U CN 201922453011 U CN201922453011 U CN 201922453011U CN 211500702 U CN211500702 U CN 211500702U
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- 238000009423 ventilation Methods 0.000 title claims abstract description 13
- 239000003245 coal Substances 0.000 title claims description 10
- 239000000428 dust Substances 0.000 claims abstract description 89
- 238000001914 filtration Methods 0.000 claims description 27
- 238000003780 insertion Methods 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 4
- 238000000746 purification Methods 0.000 abstract description 4
- 239000008187 granular material Substances 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of colliery safety technique in the pit and specifically relates to a colliery safety ventilation explosion-proof equipment, including installing two frequency conversion fans in the mine with air intake fan's air intake matched with position department closes soon and installs the air-supply line the outer tip of air-supply line is installed the air inlet and is strained dirt subassembly, the air outlet of the fan of airing exhaust pass through the backwind pipe with air intake fan's air-supply line links to each other with air intake fan's air intake matched with position department closes soon and installs the exhaust pipe air intake pipe keeping away from of air intake pipe the interior tip of the fan of airing exhaust installs the dirt collection subassembly of straining of airing exhaust. The mode of the relative convection current of air inlet air-out can be the effectual circulation and the purification dust removal of the air current that realize in the mine, and dust removal effect is better, and can in time carry out quick collection to the dust of piling up in this device effectively after the dust removal is accomplished to the effectual volume that reduces the mine raise dust granule in the pit, further realization dust fall explosion-proof effect.
Description
Technical Field
The utility model belongs to the technical field of colliery safety technique in the pit and specifically relates to a colliery safety ventilation explosion-proof equipment.
Background
Coal mine safety is the most important consideration in underground construction of a mine, and due to the fact that the working environment of the coal mine is high in risk, the underground environment is blocked, tiny dust particles are diffused, safety and no spark need to be guaranteed underground, and meanwhile, underground safe ventilation and air exchange are guaranteed to guarantee air circulation and stability of internal air pressure of the whole underground environment. The existing underground ventilation device is poor in dust collection and treatment effects in the process of realizing air circulation, and dust removal and explosion prevention effects cannot be achieved timely and effectively.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the technical scheme that one of above-mentioned technical problem adopted and be: a coal mine safety ventilation explosion-proof device comprises two variable frequency fans arranged in a mine, wherein the two variable frequency fans are oppositely arranged in a working space of the mine at intervals, one of the two variable frequency fans is an air inlet fan for realizing air suction, the other variable frequency fan is an air exhaust fan for realizing air exhaust, an air inlet pipe is screwed at a position matched with an air inlet of the air inlet fan, an air inlet dust filtering component is arranged at the outer end part of the air inlet pipe, an air outlet of the air exhaust fan is connected with the air inlet pipe of the air inlet fan through an air return pipe, an air exhaust pipe is screwed at a position matched with the air inlet of the air exhaust fan, and an air exhaust dust filtering and collecting component is arranged at the inner end part, far away from the air exhaust fan, of the air inlet; and the air intake fan and the air exhaust fan are matched to realize the air flow circulation in the mine.
The device can realize effective circulation of airflow in the mine in a mode of relative convection of air inlet and air outlet, and realize purification and dust removal of gas to be discharged in the mine and timely cleaning and discharging of collected dust through the air exhaust dust filtering and collecting assembly; the gas can carry out the water conservancy diversion through the return air duct through the combustion gas to realize under the combined action of the induced draft of air inlet fan, the exhaust force of air exhaust fan that the air current flows to air inlet fan one side, can realize the secondary filtration to the air current under the effect of air inlet dust filtration subassembly after getting into the air-supply line, guarantee to return the cleanness that gets into the air current in the mine, so reciprocal many times can guarantee that the air circumstance in the mine obtains quick improvement.
Preferably, one side of the air return pipe close to the air inlet pipe is communicated with an auxiliary air suction pipe, the outer end of the auxiliary air suction pipe is communicated with the outside of the mine, and the auxiliary air suction pipe is provided with an opening and closing valve.
The main purpose of setting up supplementary aspiration channel is under the effect that realizes the inside air cycle in ore deposit, can unscheduled the business turn over outside air through opening the ooff valve, guarantees the smoothness nature of whole mine air current.
Preferably, the air inlet dust filtering assembly comprises an air inlet dust removing filter screen vertically inserted in the air inlet pipe, and the upper end of the air inlet dust removing filter screen movably penetrates through an air inlet insertion groove in the upper end of the air inlet pipe in a sealing manner.
The air inlet cartridge groove that sets up can supply the plug is realized to air inlet dust removal filter screen to guarantee the convenience when changing or maintaining air inlet dust removal filter screen.
Preferably, the exhaust dust filtering and collecting assembly comprises an exhaust dust removing filter screen vertically inserted in the exhaust pipe, the upper end of the exhaust dust removing filter screen movably penetrates through an upper exhaust insertion groove at the upper end of the exhaust pipe in a sealing manner, and a bearing baffle is fixedly connected to the exhaust dust removing filter screen at the upper part of the upper exhaust insertion groove.
The main effect messenger of the dust removal filter screen of airing exhaust plays and carries out timely effectual dust filtration to the mine air current that tentatively gets into, can stop the carriage return at the entrance point of the dust removal filter screen of airing exhaust under the effect of the dust removal filter screen of airing exhaust, the cartridge groove of airing exhaust that sets up in addition can supply the dust removal filter screen of airing exhaust realizes the plug to guarantee the convenience when changing or maintaining the dust removal filter screen of airing exhaust, in addition, the bearing baffle of addding plays the effect at upper bearing, thereby can be so that the dust removal filter screen lower extreme of airing exhaust is in unsettled or normal use under the effect of no support.
Preferably, the lower extreme of the dust removal filter screen of airing exhaust wear out with go up that the air exhaust cartridge groove corresponds, and set up and be in the air exhaust cartridge groove under of exhaust pipe bottom, the width in the air exhaust cartridge groove is greater than down the width of the dust removal filter screen of airing exhaust link firmly the blow off pipe on the exhaust pipe lateral wall of air exhaust cartridge groove bottom down, the exit end and the outside collection dirt case of blow off pipe link to each other go up air exhaust cartridge groove both sides the top of exhaust pipe communicate respectively have connect with the inside spray pipe that is linked together of exhaust pipe, the spray pipe is linked together with outside water source install the blowoff valve on the blow off pipe.
The effect in the lower air exhaust cartridge groove that sets up is mainly that the lower extreme for the dust removal filter screen of airing exhaust provides places the space, leaves certain clearance simultaneously and mainly falls down for the dust when supplying the clearance dust, mainly lets in the rivers that have certain water pressure when carrying out the dust clearance simultaneously and realizes washing fast to the dust on the dust removal filter screen of airing exhaust through the spray pipe to make rivers carry the dust and flow into outside collection dirt incasement and collect after the blow off pipe, convenient operation, swiftly.
The flushed air flow can simultaneously play a role in wetting, so that the air humidity in the mine is ensured.
The beneficial effects of the utility model are embodied in: the mode of the relative convection current of air inlet air-out can be the effectual circulation and the purification dust removal of the air current that realize in the mine, and dust removal effect is better, and can in time carry out quick collection to the dust of piling up in this device effectively after the dust removal is accomplished to the effectual volume that reduces the mine raise dust granule in the pit, further realization dust fall explosion-proof effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or components are generally identified by like reference numerals. In the drawings, elements or components are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the overlooking and internal sectional structure of the air inlet dust filtering assembly of the present invention.
Fig. 3 is a schematic view of the top view and internal cross-sectional structure of the air-discharging dust-filtering dust-collecting assembly of the present invention.
In the figure, 1, an air inlet fan; 2. An exhaust fan; 3. an air inlet pipe; 4. An air inlet dust filtering component; 41. an air intake dust removal filter screen; 42. an air inlet insertion groove; 5. A return air duct; 6. an exhaust duct; 7. an air exhaust dust filtering and collecting component; 71. an air exhaust dust removal filter screen; 72. an upper air exhaust insertion groove; 73. a bearing baffle plate; 74. a lower air exhaust insertion groove; 75. a blow-off pipe; 76. an external dirt collection tank; 77. a water spray pipe; 78. a blowdown valve; 8. an auxiliary air suction pipe; 9. and opening and closing the valve.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1-3, a coal mine safety ventilation explosion-proof device comprises two variable frequency fans installed in a mine, wherein the two variable frequency fans are installed in a mine working space at opposite intervals, one of the two variable frequency fans is an air inlet fan 1 for realizing air suction, the other variable frequency fan is an air outlet fan 2 for realizing air exhaust, an air inlet pipe 3 is screwed at a position matched with an air inlet of the air inlet fan 1, an air inlet dust filtering component 4 is installed at the outer end part of the air inlet pipe 3, an air outlet of the air outlet fan 2 is connected with the air inlet pipe 3 of the air inlet fan 1 through an air return pipe 5, an air outlet pipe 6 is screwed at a position matched with the air inlet of the air outlet fan 2, and an air outlet dust filtering and collecting component 7 is installed at the inner end part, far away from the air outlet fan 2, of the air inlet pipe 3; the air intake fan 1 and the air exhaust fan 2 are matched to realize air flow circulation in the mine.
Preferably, one side of the air return pipe 5, which is close to the air inlet pipe 3, is communicated with an auxiliary air suction pipe 8, the outer end of the auxiliary air suction pipe 8 is communicated with the outside of a mine, and the auxiliary air suction pipe 8 is provided with an opening and closing valve 9.
The main purpose of setting up supplementary aspiration channel 8 is under the effect that realizes the inside air cycle in ore deposit, can unscheduled the business turn over outside air through opening switching valve 9, guarantees the smoothness nature of whole mine air current.
Preferably, the air intake dust filtration assembly 4 comprises an air intake dust removal filter screen 41 vertically inserted inside the air intake pipe 3, and the upper end of the air intake dust removal filter screen 41 penetrates through an air intake insertion slot 42 at the upper end of the air intake pipe 3 in a movable sealing manner.
The air inlet inserting groove 42 can be used for plugging and unplugging the air inlet dust removal filter screen 41, so that convenience in replacement or maintenance of the air inlet dust removal filter screen 41 is guaranteed.
Preferably, the exhaust dust-filtering dust-collecting assembly 7 comprises an exhaust dust-filtering screen 71 vertically inserted into the exhaust duct 6, the upper end of the exhaust dust-filtering screen 71 passes through an upper exhaust insertion groove 72 at the upper end of the exhaust duct 6 in a movable sealing manner, and a bearing baffle 73 is fixedly connected to the exhaust dust-filtering screen 71 at the upper part of the upper exhaust insertion groove 72.
The main effect of the exhaust dust removal filter screen 71 enables timely and effective dust filtration of the primary entering mine airflow, the return can be blocked at the inlet end of the exhaust dust removal filter screen 71 under the effect of the exhaust dust removal filter screen 71, and the additionally arranged upper exhaust cartridge slot 72 can supply the exhaust dust removal filter screen 71 to realize plugging and unplugging, so that convenience in replacement or maintenance of the exhaust dust removal filter screen 71 is guaranteed, in addition, the additionally arranged bearing baffle plate 73 plays a role of bearing at the upper part, and the lower end of the exhaust dust removal filter screen 71 can be normally used under the suspended or unsupported effect.
Preferably, the lower extreme of dust removal filter screen 71 of airing exhaust wear out with go up that air exhaust cartridge groove 72 corresponds, and set up and be in air exhaust cartridge groove 74 under of exhaust pipe 6 bottom, the width of air exhaust cartridge groove 74 is greater than air exhaust dust removal filter screen 71's width it has linked firmly blow off pipe 75 on the exhaust pipe 6 lateral wall of air exhaust cartridge groove 74 bottom down, blow off pipe 75's exit end links to each other with outside collection dirt case 76 go up air exhaust cartridge groove 72 both sides the top of exhaust pipe 6 communicate respectively have connect with the inside spray pipe 77 that is linked together of exhaust pipe 6, spray pipe 77 is linked together with the water source of outside install blowoff valve 78 on the blow off pipe 75.
The effect of the lower air exhaust cartridge groove 74 that sets up is mainly that the lower extreme for the dust removal filter screen 71 that airs exhaust provides and places the space, leave certain clearance simultaneously and mainly fall down for the dust when supplying the clearance dust, mainly let in the rivers that have certain water pressure when carrying out the dust clearance simultaneously and realize washing fast to the dust on the dust removal filter screen 71 that airs exhaust through spray pipe 77, thereby make rivers carry the dust and flow into and collect in the outside collection dirt case 76 behind the blow off pipe 75, and convenient operation is swift.
The flushed air flow can simultaneously play a role in wetting, so that the air humidity in the mine is ensured.
The working principle is as follows:
the device can realize effective circulation of airflow in the mine in a mode of relative convection of air inlet and air outlet, and realize purification and dust removal of gas to be discharged in the mine and timely cleaning and discharging of collected dust through the air exhaust dust filtering and collecting assembly 7; the discharged gas can be guided through the air return pipe 5, the air flow flows to one side of the air inlet fan 1 under the combined action of the suction force of the air inlet fan 1 and the exhaust force of the air exhaust fan 2, secondary filtration of the air flow can be realized under the action of the air inlet dust filtering component 4 after entering the air inlet pipe 3, the air flow entering a mine is guaranteed to return to be clean, and the air environment in the mine can be guaranteed to be rapidly improved by repeating for many times.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification; to those skilled in the art, any alternative improvements or changes made to the embodiments of the present invention are all within the scope of the present invention.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (5)
1. The utility model provides a colliery safety ventilation explosion-proof equipment which characterized in that: the mine shaft air inlet and air outlet device comprises two variable frequency fans arranged in a mine shaft, wherein the two variable frequency fans are oppositely arranged in a working space of the mine shaft at intervals, one of the two variable frequency fans is an air inlet fan for realizing air suction, the other variable frequency fan is an air outlet fan for realizing air exhaust, an air inlet pipe is screwed at a position matched with an air inlet of the air inlet fan, an air inlet dust filtering component is arranged at the outer end part of the air inlet pipe, an air outlet of the air outlet fan is connected with the air inlet pipe of the air inlet fan through a return air pipe, an air outlet pipe is screwed at a position matched with the air inlet of the air outlet fan, and an air outlet dust filtering and collecting component is arranged at the inner end part, far; and the air intake fan and the air exhaust fan are matched to realize the air flow circulation in the mine.
2. A coal mine safety ventilation explosion-proof device according to claim 1, wherein: one side of the air return pipe close to the air inlet pipe is communicated with an auxiliary air suction pipe, the outer end of the auxiliary air suction pipe is communicated with the outside of a mine, and the auxiliary air suction pipe is provided with an opening and closing valve.
3. A coal mine safety ventilation explosion-proof device according to claim 2, wherein: the air inlet dust filtering assembly comprises an air inlet dust removing filter screen vertically inserted in the air inlet pipe, and the upper end of the air inlet dust removing filter screen movably penetrates through an air inlet inserting groove in the upper end of the air inlet pipe in a sealing mode.
4. A coal mine safety ventilation explosion-proof device according to claim 3, wherein: the exhaust dust filtering and collecting component comprises an exhaust dust removing filter screen vertically inserted in the exhaust pipe, the upper end of the exhaust dust removing filter screen movably penetrates through an upper exhaust insertion groove at the upper end of the exhaust pipe in a sealing manner, and a bearing baffle is fixedly connected to the exhaust dust removing filter screen at the upper part of the upper exhaust insertion groove.
5. A coal mine safety ventilation explosion-proof device according to claim 4, wherein: the lower extreme of the dust removal filter screen of airing exhaust wear out with go up the cartridge groove that airs exhaust corresponds, and set up and be in the cartridge groove that airs exhaust down of exhaust pipe bottom, the width in cartridge groove of airing exhaust down is greater than the width of the dust removal filter screen of airing exhaust has linked firmly the blow off pipe on the exhaust pipe lateral wall of cartridge groove bottom portion of airing exhaust down, the exit end and the outside dirt collecting box of blow off pipe link to each other go up the cartridge groove both sides of airing exhaust the top of exhaust pipe communicate respectively have connect with the inside spray pipe that is linked together of exhaust pipe, the spray pipe is linked together with outside water source install blowoff valve on the blow off pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922453011.6U CN211500702U (en) | 2019-12-30 | 2019-12-30 | Coal mine safety ventilation explosion-proof equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922453011.6U CN211500702U (en) | 2019-12-30 | 2019-12-30 | Coal mine safety ventilation explosion-proof equipment |
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| Publication Number | Publication Date |
|---|---|
| CN211500702U true CN211500702U (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922453011.6U Active CN211500702U (en) | 2019-12-30 | 2019-12-30 | Coal mine safety ventilation explosion-proof equipment |
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| CN (1) | CN211500702U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458133A (en) * | 2022-02-28 | 2022-05-10 | 安徽理工大学 | Dustproof explosion-proof device for pressure relief of mine explosion-proof door |
-
2019
- 2019-12-30 CN CN201922453011.6U patent/CN211500702U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458133A (en) * | 2022-02-28 | 2022-05-10 | 安徽理工大学 | Dustproof explosion-proof device for pressure relief of mine explosion-proof door |
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