CN119412140B - A safety ventilation device for coal shed in mines - Google Patents
A safety ventilation device for coal shed in minesInfo
- Publication number
- CN119412140B CN119412140B CN202411363217.9A CN202411363217A CN119412140B CN 119412140 B CN119412140 B CN 119412140B CN 202411363217 A CN202411363217 A CN 202411363217A CN 119412140 B CN119412140 B CN 119412140B
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- China
- Prior art keywords
- air
- pipe
- dust collecting
- fixedly connected
- ventilation
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Classifications
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- 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
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- 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
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- 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
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/20—Drawing-off or depositing dust
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to a mining coal shed safety ventilation device which comprises a gas exchange cylinder, a gas exchange cylinder and a dust collecting pipe, wherein a gas exchange casing is arranged in the gas exchange cylinder, a gas suction rotating shaft, a gas compression rotating cylinder and a driving rotating shaft are sequentially arranged in the gas exchange casing from left to right, the gas suction rotating shaft, the gas compression rotating cylinder and the driving rotating shaft are connected end to end, a first gas suction fan is arranged on the gas suction rotating shaft, a plurality of rows of movable turbine blades are uniformly distributed on the gas compression rotating cylinder, the left side of the gas exchange cylinder is provided with the dust collecting pipe and a transition pipe.
Description
Technical Field
The invention belongs to the technical field of coal mining, and particularly relates to a safety ventilation device for a mining coal shed.
Background
The coal shed is a large-scale storehouse for storing coal, and the coal shed structure requires large span and high clearance to meet the requirements of storage and operation space, and generally, the coal shed structure has the main functions of covering a coal yard so as to prevent coal from being sprayed and polluted by wind when the coal rains and prevent the coal from being wetted and deteriorated, and is an energy-saving and environment-friendly engineering.
In the process of storing in the coal shed, because the coal shed space is limited, easily float dust and other solid particles in the coal shed, easily form dust explosion, the colliery is ignited, cause the incident, set up ventilation unit in the coal shed, utilize ventilation unit to keep the air quality in the coal shed, avoid harmful gas to accumulate in the coal shed, however, when conventional ventilation unit directly lets in the coal shed with outside air, can not reduce float dust and other solid particles, on this basis, technical staff improves ventilation unit, increase the filter on ventilation unit's basis and reduce the dust in the coal shed, but because the filter very easily blocks up under abominable condition and needs often to change or clear up it, traditional ventilation unit can increase the content of float dust and other solid particles because of the influence of air current, even can increase the risk of local dust explosion, consequently, in order to reduce the risk of dust explosion and reduce filter equipment's dust accumulation and stop up, carry out safe ventilation to current ventilation unit and very need.
Disclosure of Invention
In view of the above, the present invention aims to provide a safety ventilation device for a mining coal shed, so as to solve the above problems.
The technical scheme includes that the safe ventilation device for the mining coal shed comprises a ventilation tube and a ventilation tube, wherein flange plates are arranged at ports at the left end and the right end of the ventilation tube and are used for connecting the ventilation tube and the ventilation tube end to end, a ventilation case is arranged in the ventilation tube, the ventilation case is of a cylindrical structure formed by splicing two semi-cylindrical structures and fixing the two semi-cylindrical structures through bolts, positioning plates are sleeved at the left end and the right end of the ventilation case, the inner edges of the positioning plates are fixedly connected with the ventilation case through bolts, the outer edges of the positioning plates are fixedly connected with the inner wall of the ventilation tube through bolts, a row of first exhaust pipes are uniformly distributed in an annular mode between the two positioning plates, the first exhaust pipes penetrate through the side wall of the ventilation tube, the port at the inner side end of the ventilation tube is horizontally right, the first exhaust pipes penetrate out of the port at the outer side of the ventilation tube, circular gas collecting ring pipes are arranged in the ventilation tube, the left side of the gas collecting ring pipe is communicated with the first exhaust pipes, and the right side of the gas collecting ring pipe is provided with a diffusion opening, and air in the ventilation tube is convenient to enter the first exhaust pipe.
The air exchange casing is sequentially provided with an air suction rotating shaft, an air compression rotating drum and a driving rotating shaft from left to right, the air suction rotating shaft, the air compression rotating drum and the driving rotating shaft are connected end to end, a limit ring is rotationally sleeved on the air suction rotating shaft, first supporting rods are uniformly distributed between the limit ring and the air exchange casing, one end of each first supporting rod is fixedly connected with the limit ring, the other end of each first supporting rod is fixedly connected with the inner wall of the air exchange casing, a first air suction fan is arranged on the air suction rotating shaft, a plurality of rows of movable turbine blades are uniformly distributed on the air compression rotating drum, a row of fixed turbine blades are arranged between two adjacent rows of movable turbine blades, the fixed turbine blades are fixedly connected with the inner wall of the air exchange casing, the filter core is sleeved on the driving rotating shaft, the positioning rotating drum is arranged in the middle of the filter core, the positioning rotating drum in the filter core is rotationally connected with the driving rotating shaft, the right end of the driving rotating shaft penetrates out of the ventilation casing, the right end of the ventilation casing is provided with a second air suction fan, the second air suction fan is fixedly connected with the driving rotating shaft, the right side of the second air suction fan is provided with a driving motor, an output shaft of the driving motor is fixedly connected with the driving rotating shaft, a mounting seat is fixedly arranged on the driving motor, a plurality of second supporting rods are uniformly distributed between the mounting seat and the ventilation cylinder, one end of each second supporting rod is fixedly connected with the mounting seat, and the other end of each second supporting rod is fixedly connected with the side wall of the ventilation cylinder.
Preferably, a row of air inlet pipes are uniformly distributed at the left end of the air exchange casing, one end of each air inlet pipe is communicated with the air exchange casing, the other end of each air inlet pipe penetrates out of the side wall of the air exchange cylinder, a row of second exhaust pipes are uniformly distributed at the right end of the air exchange casing, one end of each second exhaust pipe is communicated with the air exchange casing, and the other end of each second exhaust pipe penetrates out of the side wall of the air exchange cylinder.
Preferably, through holes are uniformly distributed on the positioning plate, so that air flow is facilitated.
An anode panel and a cathode panel are arranged between the gas collecting ring pipe and the second exhaust pipe in the ventilation cylinder, the anode panel and the cathode panel are circular and concentrically distributed, wherein the anode panel is fixedly connected with the inner wall of the ventilation cylinder, the cathode panel is fixedly connected with the outer wall of the ventilation casing, a dust collecting pipe and a transition pipe are arranged on the left side of the ventilation cylinder, the right end of the transition pipe is communicated with the left end of the ventilation cylinder, the transition pipe is communicated with the dust collecting pipe through a filter screen, an end cover is arranged on the left end cover of the dust collecting pipe, a dust collecting box is slidably connected in the dust collecting pipe, an opening is arranged on the right side of the dust collecting box, and a telescopic rod is arranged between the dust collecting box and the end cover, the bottom and end cover fixed connection of telescopic link, telescopic link's flexible end and dust collecting box left side middle part fixed connection, sliding connection has clean ring canal in the transition pipe, evenly distributed has four connecting rods between clean ring canal and the dust collecting box, connecting rod one end and dust collecting box inner wall fixed connection, the connecting rod other end and clean ring canal inner wall fixed connection, dust collecting box right side is provided with the push-and-pull rod, push-and-pull rod one end and dust collecting box fixed connection, the push-and-pull rod other end and be fixed with the end cap, the transition pipe is close to right-hand member portion and is provided with the big constriction of left end little right-hand member, and the end cap is located constriction right side, and end cap cross-section diameter equals constriction left port cross-section diameter.
Preferably, the diameter of the inner wall of the anode panel is larger than the diameter of the outer edge of the right opening of the gas collecting ring pipe, and the diameter of the inner wall of the cathode panel is smaller than the diameter of the inner edge of the right opening of the gas collecting ring pipe.
Preferably, four supporting rods are uniformly distributed on the outer side of the filter screen, one end of each supporting rod is fixedly connected with the dust collecting pipe, and the other end of each supporting rod is fixedly connected with the transition pipe.
Preferably, the dust collecting box downside is provided with the drain hole, and the dust collecting box downside is provided with the blowing pipe, and the blowing pipe is located the drain hole left side.
The invention has the beneficial effects that the driving motor is utilized to drive the air suction rotating shaft, the air compression rotating drum and the driving rotating shaft to rotate, so as to drive the first air suction fan, the movable turbine blade and the second air suction fan to rotate, the second air suction fan rotates, one part of air entering from the right end port of the air exchange drum is discharged through the first exhaust pipe, the other part of air continues to move leftwards, enters the next air exchange drum through the air ventilation drum and is discharged from the corresponding first exhaust pipe, and finally, the external air is uniformly discharged into the coal shed through the first exhaust pipes on the plurality of air exchange drums, so that ventilation in the coal shed is realized; the first air suction fan rotates, air in the coal shed is sucked into the ventilator box through the air inlet pipe, the air is pressurized by the cooperation of a plurality of rows of movable turbine blades and fixed turbine blades to form high-pressure air flow, the pressurized air and external air form pressure difference, the air passes through the filter core under the action of the pressure difference to filter dust and other solid particles floating in the coal shed, the filtered air is discharged into the coal shed again through the second air outlet pipe, ventilation and ventilation of the coal shed are realized, the dust and other solid particles floating in the coal shed are reduced through the filter core filtration, the risk of dust explosion is reduced, the anode panel and the cathode panel are arranged in the ventilator box, the dust collecting pipe is arranged at the left side of the ventilator box, the dust suspended in the air is separated by the electric field generated by the anode panel and the cathode panel under the action of the electric field force and is collected in the dust collecting box, namely the ventilator air flow firstly separates suspended dust by the electric field, a small amount of air carrying the suspended dust is filtered from the air scattered at the edge of the gas collecting ring pipe, the blocking effect of the filter screen on the ventilation air flow when filtering suspended dust is reduced.
Drawings
FIG. 1 is a first external structural view of a ventilation device;
FIG. 2 is a first view of the internal structure of the ventilator;
FIG. 3 is a second external structural view of the ventilation device;
FIG. 4 is a second view of the internal structure of the ventilator;
fig. 5 is a structural view of the dust collection box.
The reference number in the figure is 1, the air exchanging cylinder; 2, a ventilation casing, 4, a positioning disk, 5, a first exhaust pipe, 501, a gas collecting ring pipe, 6, a gas suction rotating shaft, 7, a gas compressing rotating drum, 8, a driving rotating shaft, 9, a limiting ring, 10, a first support rod, 11, a first suction fan, 12, a movable turbine blade, 13, a fixed turbine blade, 14, a filter element, 15, a second suction fan, 16, an intake pipe, 17, a second exhaust pipe, 18, a driving motor, 19, a mounting seat, 20, a second support rod, 21, a dust collecting pipe, 2101, 22, 23, a cathode, 24, a transition pipe, 2401, 25, 26, a support rod, 27, a cover, 28, 2801, a 2801 discharge opening, 29, 30, 31, 32, and 33 plugs.
Detailed Description
The invention is described in further detail below with reference to the attached drawings and detailed description:
1-2, the mining coal shed safety ventilation device comprises a gas cylinder 1 and a gas cylinder 2, wherein flange plates are arranged at the left end and the right end of the gas cylinder 1 and the left end and the right end of the gas cylinder 2, the gas cylinder 1 and the gas cylinder 2 are connected end to end by the flange plates, a gas exchange casing 3 is arranged in the gas cylinder 1, the gas exchange casing 3 is of a cylindrical structure formed by splicing two semi-cylindrical structures and fixing the gas exchange casing by bolts, positioning plates 4 are sleeved at the left end and the right end of the gas exchange casing 3, the inner edges of the positioning plates 4 are fixedly connected with the gas exchange casing 3 by bolts, the outer edges of the positioning plates 4 are fixedly connected with the inner wall of the gas cylinder 1 by bolts, a row of first exhaust pipes 5 are uniformly distributed in a ring shape between the two positioning plates 4, the first exhaust pipes 5 penetrate through the side walls of the gas cylinder 1, the first exhaust pipes 5 are inserted into the inner side end ports of the gas cylinder 1 to be horizontally right, the first exhaust pipes 5 penetrate out of the outer side end ports of the gas cylinder 1 to be vertically outwards, circular gas collection pipes 501 are arranged in the gas exchange casing 1, the left side of the gas collection pipes 501 are communicated with the first gas ring 5, the gas collection pipes 501 are arranged at the right sides, diffusion openings are arranged at the right sides of the gas collection pipes, and the gas collection pipes 501 are convenient to enter the gas exchange pipes 1.
In this embodiment, the ventilation casing 3 has set gradually the pivot 6 of breathing in from left to right, the rotary drum 7 of calming the anger, the drive pivot 8, the pivot 6 of breathing in, the rotary drum 7 of calming the anger, drive pivot 8 end to end, the last rotation of pivot 6 of breathing in has cup jointed spacing ring 9, evenly distributed has first branch 10 between spacing ring 9 and the ventilation casing 3, first branch 10 one end and spacing ring 9 fixed connection, first branch 10 other end and ventilation casing 3 inner wall fixed connection, install first suction fan 11 on the pivot 6 of breathing in, evenly distributed has multirow movable turbine blade 12 on the rotary drum 7 of calming the anger, be provided with one row of fixed turbine blade 13 between the adjacent two rows of movable turbine blade 12, fixed turbine blade 13 and ventilation casing 3 inner wall fixed connection, the cover has filter core 14 on the drive pivot 8, the filter core 14 middle part is provided with the location rotary drum, and the location rotary drum in the filter core 14 is connected with drive pivot 8 rotation, drive pivot 8 right-hand member wears out the ventilation casing 3, the right-hand member of ventilation casing 3 is provided with second suction fan 15, second suction fan 15 and drive branch 8 fixed connection, second motor 15 and drive shaft 8 right side motor 18 are provided with drive shaft 18, drive shaft 20 fixed connection with the fixed connection between the drive shaft 20 and the second support shaft 8, the fixed connection is installed to the drive shaft 20 and the fixed connection is installed to the second side wall 20, 20 and fixed connection is fixed with the drive shaft 20.
In this embodiment, a row of air inlet pipes 16 are uniformly distributed at the left end of the ventilation casing 3, one end of each air inlet pipe 16 is communicated with the ventilation casing 3, the other end of each air inlet pipe 16 penetrates out of the side wall of the ventilation casing 1, a row of second air outlet pipes 17 are uniformly distributed at the right end of the ventilation casing 3, one end of each second air outlet pipe 17 is communicated with the ventilation casing 3, and the other end of each second air outlet pipe 17 penetrates out of the side wall of the ventilation casing 1.
In this embodiment, through holes are uniformly distributed on the positioning plate 4, so that air flow is facilitated.
In the embodiment, when the safe ventilation device is utilized to ventilate a coal shed, the air exchanging cylinder 1 and the air exchanging cylinder 2 are sequentially arranged in the coal shed, the air exchanging cylinder 2 is led to the outside, the driving motor 18 is started, the driving motor 18 drives the air sucking rotating shaft 6, the air compressing cylinder and the driving rotating shaft 8 to rotate, the first air sucking fan 11, the movable turbine blade 12 and the second air sucking fan 15 are further driven to rotate, in the rotating process of the second air sucking fan 15, the outside sequentially enters from the right end ports of the air exchanging cylinder 2 and the air exchanging cylinder 1, one part of air enters into the first exhaust pipe 5 from the air collecting ring 5 and is exhausted, the other part of air continues to move leftwards, enters into the next air exchanging cylinder 1 through the air exchanging cylinder 2 and is exhausted from the corresponding first exhaust pipe 5, finally, the external air is uniformly discharged into the coal shed through the first exhaust pipes 5 on the plurality of air changing cylinders 1, ventilation and ventilation in the coal shed are realized, the first air suction fan 11 rotates, the air in the coal shed is sucked into the ventilation casing 3 through the air inlet pipe 16, then the air is pressurized by utilizing the cooperation of the plurality of rows of movable turbine blades 12 and the fixed turbine blades 13 to form high-pressure air flow, the pressurized air and the external air form pressure difference, under the action of the pressure difference, the air passes through the filter element 14, dust and other solid particles floating in the coal shed are filtered, and the filtered air is discharged into the coal shed again through the second exhaust pipe 17; on the one hand, the external air is pumped into the ventilation cylinder 1 and is discharged into the coal shed from the first exhaust pipe 5 to realize ventilation and ventilation in the coal shed, on the other hand, in the ventilation process, the working principle of the turbine compressor is utilized, under the cooperation of the movable turbine blade 12 and the fixed turbine blade 13, the air in the coal shed is pressurized to form high-pressure air flow, the air is filtered by the filter element 14 and is discharged into the coal shed again, so that ventilation of the coal shed is realized, dust and other solid particles floating in the coal shed are reduced by filtering the air by the filter element 14, and the risk of dust explosion is reduced.
Embodiment two: as shown in fig. 3 to 4, this embodiment differs from the first embodiment in that: the air exchanging cylinder 1 is arranged in a coal shed, the right end of the driving rotating shaft 8 penetrates out of the air exchanging case 3, the right end of the air exchanging case 3 is provided with a second air suction fan 15, the second air suction fan 15 is fixedly connected with the driving rotating shaft 8, the right side of the second air suction fan 15 is provided with a driving motor 18, an output shaft of the driving motor 18 is fixedly connected with the driving rotating shaft 8, an anode panel 22 and a cathode panel 23 are arranged between an air collecting ring 501 and a second exhaust pipe 17 in the air exchanging cylinder 1, the anode panel 22 and the cathode panel 23 are circular and concentrically distributed, wherein the anode panel 22 is fixedly connected with the inner wall of the air exchanging cylinder 1, the cathode panel 23 is fixedly connected with the outer wall of the air exchanging case 3, the left side of the air exchanging cylinder 1 is provided with a dust collecting pipe 21 and a transition pipe 24, the right end of the transition pipe 24 is communicated with the left end of the air exchanging cylinder 1, the transition pipe 24 is communicated with the dust collecting pipe 21 through a filter screen 25, an end cover 27 is arranged on the left end cover of the dust collecting pipe 21, a dust collecting box 28 is arranged in the dust collecting pipe 21 in a sliding manner, the right side of the dust collecting box 28 is opened, a telescopic rod 29 is arranged between the dust collecting box 28 and the end cover 27, the bottom end of the telescopic rod 29 is fixedly connected with the end cover 27, the telescopic end of the telescopic rod 29 is fixedly connected with the middle part of the left side of the dust collecting box 28, a cleaning ring pipe 30 is arranged in the transition pipe 24 in a sliding manner, four connecting rods 31 are uniformly distributed between the cleaning ring pipe 30 and the dust collecting box 28, one end of each connecting rod 31 is fixedly connected with the inner wall of the dust collecting box 28, the other end of each connecting rod 31 is fixedly connected with the inner wall of the cleaning ring pipe 30, a push-pull rod 32 is arranged on the right side of the dust collecting box 28, one end of each push-pull rod 32 is fixedly connected with the dust collecting box 28, the other end of the push-pull rod 32 is fixedly provided with a plug 33, a constriction 2401 with a small left end and a large right end is arranged at a position close to the right end of the transition pipe 24, the plug 33 is positioned on the right side of the constriction 2401, and the cross section diameter of the plug 33 is equal to the cross section diameter of the left port of the constriction 2401.
In this embodiment, the diameter of the inner wall of the anode panel 22 is larger than the diameter of the outer edge of the right opening of the gas collecting ring 501, and the diameter of the inner wall of the cathode panel 23 is smaller than the diameter of the inner edge of the right opening of the gas collecting ring 501.
In this embodiment, four support rods 26 are uniformly distributed on the outer side of the filter screen 25, one end of each support rod 26 is fixedly connected with the dust collection pipe 21, and the other end of each support rod 26 is fixedly connected with the transition pipe 24.
In this embodiment, the dust collection box 28 is provided with a discharge port 2801 at the lower side, and the dust collection pipe 21 is provided with a discharge pipe 2101 at the lower side, and the discharge pipe 2101 is located at the left side of the discharge port 2801.
In this embodiment, when the driving motor 18 is turned on, when air entering from the right end port of the ventilation drum 1 in the coal shed passes through between the anode panel 22 and the cathode panel 23, the anode panel 22 and the cathode panel 23 are communicated with a power supply, an electric field is generated between the anode panel 22 and the cathode panel 23, after dust particles suspended in the air collide with each other to lose electrons, the electrons lose the electrons and display positive charges, or the electrons are obtained and display negative charges, the suspended dust is respectively approaching to the anode panel 22 and the cathode panel 23 under the action of the electric field force, so that along with the flow of the air, the content of the suspended dust in the air is lower at the side wall parts of the anode panel 22 and the cathode panel 23, and conversely, the content of the suspended dust in the air is higher at the side wall parts of the anode panel 22 and the cathode panel 23, thereby realizing the separation of the suspended dust from the middle parts of the anode panel 22 and the cathode panel 23, and the air separated by the electric field force enters the gas collecting ring 501, and is discharged from the first exhaust pipe 5; that is, when the second suction fan 15 is driven by the driving motor 18 to rotate to accelerate the air flow in the coal shed, and the air flow formed in the air exchanging cylinder 1 passes through the electric field formed between the anode panel 22 and the cathode panel 23, the suspended dust is separated under the action of the electric field, a small amount of air dissipated from the side edges of the anode panel 22 and the gas collecting ring pipe 501 and the side edges of the cathode panel 23 and the gas collecting ring pipe 501 carries the separated dust particles, the separated air is discharged from the first exhaust pipe 5, the air containing the suspended dust passes through the edge of the gas collecting ring pipe 501 and passes through the contraction portion 2401 of the transition pipe 24, and finally the suspended dust is filtered by the filter screen 25, and then the redundant air is discharged from the filter screen 25, the suspended dust in the air is collected in the dust collecting box 28, then the dust collecting box 28 is driven to slide by contracting the telescopic rod 29, the cleaning ring pipe 30 scrapes off residual dust particles on the filter screen 25, cleaning of the filter screen 25 is achieved, the discharging port 2801 is communicated with the discharging pipe 2101, under the driving action of the push-pull rod 32, the plug 33 plugs the contracted part 2401 to prevent the air flow generated in the air exchanging cylinder 1 from blowing to the dust collecting box 28, and then the air falls onto a coal mine of a coal shed again from the discharging pipe 2101 under the action of gravity, the air is separated from the suspended dust by utilizing the electric field force, and the filter screen 25 only filters a small amount of air which escapes into the transition pipe 24 and contains the suspended dust, so that the filter screen 25 can prevent the ventilation work of the first exhaust pipe 5 from being blocked by the filter screen 25 when the suspended dust is filtered.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (5)
1. The utility model provides a mining coal canopy safety ventilation device, includes gas exchange tube, gas vent tube, dust collecting pipe and transition pipe, be provided with positive pole panel, cathode panel between gas collection ring canal and the second blast pipe in the gas exchange tube, positive pole panel, cathode panel are ring shape and concentric distribution, wherein positive pole panel and gas exchange tube inner wall fixed connection, outer wall fixed connection of cathode panel and gas exchange cartridge receiver, its characterized in that: the air exchanging cylinder is internally provided with an air exchanging case, the air exchanging case is of a cylindrical structure formed by splicing two semi-cylindrical structures and fixing the two semi-cylindrical structures through bolts, the left end and the right end of the air exchanging case are respectively sleeved with a positioning disc, the inner edges of the positioning discs are fixedly connected with the air exchanging case through bolts, the outer edges of the positioning discs are fixedly connected with the inner wall of the air exchanging cylinder through bolts, a row of first exhaust pipes are uniformly distributed annularly between the two positioning discs, the first exhaust pipes penetrate through the side wall of the air exchanging cylinder, the first exhaust pipes are inserted into the end port of the inner side of the air exchanging cylinder to the right side, the first exhaust pipes penetrate out of the end port of the outer side of the air exchanging cylinder to the vertical outside, the air exchanging cylinder is internally provided with a circular air collecting ring pipe, the left side of the air collecting ring pipe is communicated with the first exhaust pipes, and the right side of the air collecting ring pipe is provided with a diffusion opening, so that air in the air exchanging cylinder can conveniently enter the first exhaust pipes; the diameter of the inner wall of the anode panel is larger than the diameter of the outer edge of the opening on the right side of the gas collecting ring pipe, and the diameter of the inner wall of the cathode panel is smaller than the diameter of the inner edge of the opening on the right side of the gas collecting ring pipe;
The air exchange casing is sequentially provided with an air suction rotating shaft, an air compression rotating drum and a driving rotating shaft from left to right, the air suction rotating shaft, the air compression rotating drum and the driving rotating shaft are connected end to end, a limit ring is rotationally sleeved on the air suction rotating shaft, first supporting rods are uniformly distributed between the limit ring and the air exchange casing, one end of each first supporting rod is fixedly connected with the limit ring, the other end of each first supporting rod is fixedly connected with the inner wall of the air exchange casing, a first air suction fan is arranged on the air suction rotating shaft, a plurality of rows of movable turbine blades are uniformly distributed on the air compression rotating drum, a row of fixed turbine blades are arranged between two adjacent rows of movable turbine blades, the fixed turbine blades are fixedly connected with the inner wall of the air exchange casing, the filter element is sleeved on the driving rotating shaft, the middle part of the filter element is provided with a positioning rotary drum, the positioning rotary drum in the filter element is rotationally connected with the driving rotating shaft, the right end of the driving rotating shaft penetrates out of the ventilation casing, the right end of the ventilation casing is provided with a second air suction fan, the second air suction fan is fixedly connected with the driving rotating shaft, the right side of the second air suction fan is provided with a driving motor, an output shaft of the driving motor is fixedly connected with the driving rotating shaft, a mounting seat is fixedly arranged on the driving motor, a plurality of second supporting rods are uniformly distributed between the mounting seat and the ventilation cylinder, one end of each second supporting rod is fixedly connected with the mounting seat, and the other end of each second supporting rod is fixedly connected with the side wall of the ventilation cylinder; the left end of the ventilation casing is uniformly distributed with a row of air inlet pipes, one end of each air inlet pipe is communicated with the ventilation casing, the other end of each air inlet pipe penetrates out of the side wall of the ventilation cylinder, the right end of the ventilation casing is uniformly distributed with a row of second exhaust pipes, one end of each second exhaust pipe is communicated with the ventilation casing, and the other end of each second exhaust pipe penetrates out of the side wall of the ventilation cylinder.
2. The mining coal shed safety ventilation device according to claim 1, wherein a dust collecting pipe and a transition pipe are arranged on the left side of the ventilation pipe, the right end of the transition pipe is communicated with the left end of the ventilation pipe, the transition pipe is communicated with the dust collecting pipe through a filter screen, an end cover is arranged on the left end cover of the dust collecting pipe, a dust collecting box is arranged in the dust collecting pipe in a sliding mode, the dust collecting box is opened on the right side, a telescopic rod is arranged between the dust collecting box and the end cover, the bottom end of the telescopic rod is fixedly connected with the end cover, the telescopic end of the telescopic rod is fixedly connected with the middle part of the left side of the dust collecting box, a cleaning ring pipe is connected in the sliding mode, four connecting rods are uniformly distributed between the cleaning ring pipe and the dust collecting box, one end of each connecting rod is fixedly connected with the inner wall of the dust collecting box, the other end of each connecting rod is fixedly connected with the inner wall of the cleaning ring pipe, a push-pull rod is arranged on the right side of the dust collecting box, one end of each push-pull rod is fixedly connected with the dust collecting box, the other end of each push-pull rod is fixedly connected with a plug, the transition pipe is provided with a small right end, which is close to the right end of the dust collecting box, a large constriction part is arranged on the right side of the left end, and the plug is located on the cross section diameter of the plug is equal to the cross section diameter of the left port of the constriction.
3. The mining coal shed safety ventilation device according to claim 1, wherein through holes are uniformly distributed on the positioning plate, so that air flow is facilitated.
4. The mining coal shed safety ventilation device according to claim 2, wherein four supporting rods are uniformly distributed on the outer side of the filtering screen, one end of each supporting rod is fixedly connected with the dust collecting pipe, and the other end of each supporting rod is fixedly connected with the transition pipe.
5. The mining coal shed safety ventilation device according to claim 2, wherein a discharging hole is formed in the lower side of the dust collecting box, a discharging pipe is arranged on the lower side of the dust collecting box, and the discharging pipe is located on the left side of the discharging hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411363217.9A CN119412140B (en) | 2024-09-27 | 2024-09-27 | A safety ventilation device for coal shed in mines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411363217.9A CN119412140B (en) | 2024-09-27 | 2024-09-27 | A safety ventilation device for coal shed in mines |
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| Publication Number | Publication Date |
|---|---|
| CN119412140A CN119412140A (en) | 2025-02-11 |
| CN119412140B true CN119412140B (en) | 2025-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202411363217.9A Active CN119412140B (en) | 2024-09-27 | 2024-09-27 | A safety ventilation device for coal shed in mines |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114075992A (en) * | 2021-12-20 | 2022-02-22 | 中铁二十二局集团第四工程有限公司 | Long and large tunnel relay ventilation system |
| CN220378566U (en) * | 2023-03-15 | 2024-01-23 | 西南交通大学 | A modular ventilation and dust removal device for tunnels |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| SU1416711A1 (en) * | 1986-07-29 | 1988-08-15 | Новосибирский Институт Инженеров Железнодорожного Транспорта | Dust removing arrangement |
| CN2195718Y (en) * | 1994-06-03 | 1995-04-26 | 赵鹏 | Cottrell dust catcher for air conditioner and air interchanger |
| JPH09323007A (en) * | 1996-04-05 | 1997-12-16 | Izeki Sunako | Cooling filter for lubricating oil of engine |
| KR100563992B1 (en) * | 2004-11-15 | 2006-03-29 | 정혁수 | Tunnel ventilation |
| CN207407486U (en) * | 2017-11-09 | 2018-05-25 | 赵宏 | A kind of wall ventilating filter device |
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| KR102125307B1 (en) * | 2020-03-23 | 2020-06-22 | (주)케이에스지기술환경 | Dust collection and deodorization apparatus for a painting booth |
| CN113669098A (en) * | 2020-05-14 | 2021-11-19 | 苏州中车建设工程有限公司 | Energy-saving tunnel ventilation system |
| CN111980743A (en) * | 2020-08-19 | 2020-11-24 | 徐森 | Mining well is with preventing blockking up new trend breather |
| CN113847080A (en) * | 2021-09-15 | 2021-12-28 | 薛文树 | Dust collector that colliery was opened in pit and is adopted |
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2024
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114075992A (en) * | 2021-12-20 | 2022-02-22 | 中铁二十二局集团第四工程有限公司 | Long and large tunnel relay ventilation system |
| CN220378566U (en) * | 2023-03-15 | 2024-01-23 | 西南交通大学 | A modular ventilation and dust removal device for tunnels |
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