CN111485931A

CN111485931A - A quick absorbing device of carbon monoxide for mine exploitation

Info

Publication number: CN111485931A
Application number: CN202010302887.5A
Authority: CN
Inventors: 李磊; 张健; 郑旭东; 刘学民; 安靖宇
Original assignee: Henan University of Technology
Current assignee: Ccteg Shenyang Engineering Co ltd; China Coal Science And Technology Energy Technology Development Co ltd; Henan University of Technology
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2020-08-04
Anticipated expiration: 2040-04-16
Also published as: CN111485931B

Abstract

The invention discloses a carbon monoxide quick absorption device for mine exploitation, which comprises a gas absorption case and a power device, wherein the power device is arranged on the front end face and the rear end face of the gas absorption case, two sliding rails are symmetrically arranged at the upper end of the gas absorption case, the power device is matched with the sliding rails, an exhaust pipeline and a ventilation pipeline are arranged on the upper end face of the gas absorption case, the right end face of the gas absorption case is connected with a first pipeline and a second pipeline, the gas absorption case is respectively communicated with the exhaust pipeline and the ventilation pipeline through the first pipeline and the second pipeline, and the sliding rails, the ventilation pipeline and the exhaust pipeline are arranged in parallel.

Description

A quick absorbing device of carbon monoxide for mine exploitation

Technical Field

The invention relates to the technical field of coal mine underground lifesaving equipment, in particular to a carbon monoxide rapid absorption device for mine exploitation.

Background

Carbon monoxide (CO) is a poisonous and harmful gas, which brings great harm to the safety production of the coal mine industry, carbon monoxide is one of the main gases causing gas explosion, in recent years, the gas explosion accidents happen to coal mines in China many times, the number of casualties is increased sharply, and the detection and absorption of carbon monoxide become more and more important, in the prior art, when the concentration of the carbon monoxide under the coal mine exceeds a standard value, the work is stopped immediately, workers are evacuated, the air supply quantity is increased through a ventilating duct, the concentration of the carbon monoxide is detected in real time, and the workers can enter a working face to operate until two to three hours when the interior of the coal mine recovers to the normal value, because the position of the air vent under the coal mine is fixed, an air vent is arranged in a certain distance, the ventilation efficiency is low, a large amount of time is consumed in the air vent, and the coal mining efficiency is influenced, therefore, a carbon monoxide quick absorption device for mining of the coal mine, to solve the above problems.

Disclosure of Invention

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a quick absorbing device of carbon monoxide for mine exploitation, includes gaseous absorption machine case and power device, power device is installed to the preceding terminal surface and the rear end face of gaseous absorption machine case, two slide rails are installed to the upper end symmetry of gaseous absorption machine case, power device and slide rail mutually support, exhaust duct and air pipe are installed to the up end of gaseous absorption machine case, the right-hand member face of gaseous absorption machine case is connected with pipeline one and pipeline two, gaseous absorption machine case is linked together with exhaust duct and air pipe respectively through pipeline one and pipeline two, slide rail and air pipe and the mutual parallel placement of exhaust duct.

As a preferred technical scheme of the invention, a first connecting pipe orifice is installed on the side surface of the ventilation pipeline and the side surface of the exhaust pipeline, a plurality of first connecting pipe orifices are arranged on the first connecting pipe orifice and are uniformly arranged on a straight line at equal intervals, a second connecting pipe orifice is arranged at one end of the first pipeline and one end of the second pipeline, the first connecting pipe orifices and the second connecting pipe orifices are matched and connected with each other, a plunger is connected in the first connecting pipe orifice in a sliding manner, the cross section of the plunger is in an i-shaped structure, a first annular groove is formed in the end surface of the plunger close to the pipe orifice, a second annular groove corresponding to the first connecting pipe orifice is formed in the inner wall of the end surface of the first connecting pipe orifice, a plurality of connecting springs are arranged between the first annular groove and the second annular groove, a support rod is fixed on the inner wall of the end surface of the plunger close to the pipe orifice, the other end of the support rod penetrates through the first connecting pipe orifice and extends to the outer side surface of the first connecting pipe orifice, four support rods are symmetrically fixed on the inner side surface of the plunger, the support rod is in a L-shaped support rod.

As a preferable technical scheme of the invention, the distance between the first connecting pipe orifices is 30 meters.

As a preferred technical scheme of the invention, two limiting clamping strips are symmetrically fixed on the outer wall of the side surface of the connecting pipe orifice II, a limiting groove corresponding to the limiting clamping strip is arranged on the outer wall of the connecting pipe I, the limiting clamping strips and the limiting groove are mutually matched and clamped, and the length of each limiting clamping strip is one fourth of the height of the two side surfaces of the connecting pipe orifice, so that the connecting pipe orifice II is convenient to mount and dismount.

As a preferred technical scheme of the invention, the power device comprises a main power wheel and a conveyor belt, the main power wheel is fixedly connected with an output shaft of a driving motor, the upper end of the main power wheel is connected with two driven wheels through the conveyor belt, two auxiliary rollers are symmetrically installed at two sides below the two driven wheels through connecting springs, a fixing strip is arranged on the slide rail, and the fixing strip is fixedly inserted between the two driven wheels and the auxiliary rollers.

As a preferred technical scheme of the invention, a plurality of fluctuating surface blocks are arranged on a bar of the fixing bar, each fluctuating surface block comprises a buffering surface, a supporting surface and a diving surface, the buffering surfaces and the diving surfaces are symmetrically arranged on two sides of the supporting surface, the end surface of the supporting surface is a 70-degree arc surface, the radius length of the arc surface is 0.1m, and the included angle between the maximum height of the diving surface in the vertical direction and the horizontal plane is 28 degrees.

As a preferred technical scheme of the invention, a main air inlet is formed in the left end face of the gas collection case, a filter screen is arranged in the main air inlet to prevent dust in the air from entering the interior of the device, an absorption pipeline is arranged in the gas collection case, an absorption box and an exhaust fan are arranged in the absorption pipeline, two exhaust pipes are arranged on the upper end face of the gas collection case, an exhaust cavity is arranged in the gas collection case, an auxiliary fan is arranged at the port of the exhaust cavity, the exhaust pipes are communicated with the pipeline through the exhaust cavity, and the exhaust pipeline and the ventilation pipeline are respectively communicated with an underground coal mine sewage pipeline and a fresh air pipeline.

As a preferable technical solution of the present invention, the gas absorption cabinet is further connected with a carbon monoxide gas concentration detection instrument.

Compared with the prior art, the invention provides a carbon monoxide rapid absorption device for mine exploitation, which has the following beneficial effects:

1. according to the invention, the upper end of the absorption device is simultaneously provided with the exhaust pipeline and the ventilation pipeline, the exhaust pipeline absorbs and discharges carbon monoxide, and when the concentration is reduced to a common value, the ventilation pipeline ventilates the interior of a mine, so that the carbon monoxide is further diluted, and the working efficiency is improved;

2. according to the invention, the first connecting pipe orifices which are uniformly arranged are arranged on the pipe walls of the ventilating pipeline and the exhaust pipeline, so that carbon monoxide can be absorbed and purified in a certain section in a targeted manner, and the working efficiency is improved;

3. this device utilizes the supplementary gyro wheel of connecting spring installation through the both sides at two driven wheels, guarantees two from the driving wheel joint on the fixed strip on the one hand, and on the other hand improves the stability of device operation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of a first connector nozzle and a second connector nozzle of the present invention;

FIG. 3 is a cross-sectional view of the connector nozzle of the present invention as closed;

FIG. 4 is a schematic structural view of a power plant according to the present invention;

FIG. 5 is a cross-sectional view of a relief panel of the present invention;

FIG. 6 is an exploded view of a gas absorption enclosure according to the present invention;

in the figure: 1. an exhaust duct; 101. a first pipeline; 2. a slide rail; 201. a fixing strip; 202. a relief surface block; 203. a buffer surface; 204. a support surface; 205. a dive plane; 3. a ventilation duct; 301. a second pipeline; 4. a gas absorption cabinet; 41. a filter screen; 42. an exhaust duct; 43. an absorption pipe; 44. an auxiliary fan; 5. a first connecting pipe orifice; 501. a rubber ring; 502. a limiting groove; 6. a power plant; 601. a main power wheel; 602. a conveyor belt; 603. a double driven wheel; 604. an auxiliary roller; 7. a second connecting pipe orifice; 701. limiting clamping strips; 8. a plunger; 801. a connecting spring; 802. a support rod.

Detailed Description

Referring to fig. 1, the present invention provides a technical solution: a carbon monoxide quick absorption device for mine exploitation comprises a gas absorption case 4 and a power device 6, wherein the power device 6 is installed on the front end face and the rear end face of the gas absorption case 4, two sliding rails 2 are symmetrically installed on the upper end of the gas absorption case 4, the power device 6 is matched with the sliding rails 2, an exhaust pipeline 1 and a ventilation pipeline 3 are installed on the upper end face of the gas absorption case 4, a first pipeline 101 and a second pipeline 301 are connected to the right end face of the gas absorption case 4, the gas absorption case is respectively communicated with the exhaust pipeline 1 and the ventilation pipeline 3 through the first pipeline 101 and the second pipeline 301, the sliding rails 2, the ventilation pipeline 3 and the exhaust pipeline 1 are placed in parallel, and the sliding rails are installed on the upper end of the gas absorption case to enable the gas absorption case 4 to move along the laying route of the sliding rails 2 through the power device 6, and (4) exhausting and ventilating the area with high concentration of carbon monoxide in the coal mine.

Referring to fig. 2, 3, in this embodiment, air pipe 3 and exhaust duct 1's side-mounting has a connecting pipe mouth one 5, connecting pipe mouth one 5 is provided with a plurality of, and equidistance align to grid on a straight line, the one end of pipeline one 101 and two 301 of pipeline is provided with connecting pipe mouth two 7, connecting pipe mouth one 5 and connecting pipe mouth two 7 mutually support and link up, sliding connection has plunger 8 in connecting pipe mouth one 5, plunger 8's transversal I-shaped structure of personally submitting, plunger 8 has seted up ring channel one on being close to orificial side end face, connecting pipe one 5's terminal surface inner wall has seted up ring channel two corresponding with it, ring channel one and ring channel two are provided with a plurality of connecting spring 801 between, plunger 8 is close to orificial side end face inner wall and is fixed with bracing piece 802, the other end face outside that connecting pipe mouth one 5 was passed connecting pipe mouth one 5 and extended to connecting pipe mouth one 5, bracing piece 802 is provided with four bracing piece 802 symmetry is fixed on the medial surface of plunger 8, bracing piece 802 is the transversal branch structure of personally submitting L font, plunger 8's lower extreme and rubber ring inner wall and rubber ring fixed the outer wall, the inner wall, the other aspects of the inner wall of the air pipe mouth of connecting pipe mouth is installed and is connected with the carbon monoxide ring device, and is prevented that the air tightness is connected when plunger 8 and is closed and is used, and is closed in the air tight, and is connected to other carbon monoxide and is carried.

In this embodiment, the distance between the first connecting pipe orifices 5 is 30 meters, so that carbon monoxide can be absorbed in a certain coal mine section in a targeted manner, and the diffusion range of carbon monoxide is reduced.

In this embodiment, the side outer wall symmetry of connecting pipe mouth two 7 is fixed with two spacing card strips 701, the outer wall of connecting pipe one 5 is provided with the spacing groove 502 corresponding with spacing card strip 701 position, spacing card strip 701 and spacing groove 502 mutually support the joint, the length of spacing card strip 701 is the quarter of connecting pipe mouth two 7 side height, and the installation of being convenient for is dismantled, improves the device and links up the steadiness for connecting pipe mouth one 5 and connecting pipe mouth two 7 department of meeting are more firm.

Referring to fig. 4, in this embodiment, power device 6 includes main power wheel 601 and conveyer belt 602, main power wheel 601 is connected fixedly with driving motor's output shaft, the upper end of main power wheel 601 is connected with two from driving wheels 603 through conveyer belt 602, two auxiliary roller 604 are installed through the connecting spring symmetry in two below both sides positions from driving wheel 603, be provided with fixed strip 201 on slide rail 2, fixed strip 201 alternates to be fixed between two driven wheels 603 and auxiliary roller 604, through the direction of rotation that changes main power wheel 601, adjusting device's direction of operation, improve device's flexibility, utilize the rolling cooperation between gyro wheel and the slide rail 2, when reducing the motion friction, prevent that static from producing, improve device's security of operation.

Referring to fig. 5, in this embodiment, a plurality of undulation surface blocks 202 are arranged on the rod of the fixing strip 201, each undulation surface block 202 includes a buffering surface 203, a supporting surface 204 and a diving surface 205, the buffering surface 203 and the diving surface 205 are symmetrically arranged on two sides of the supporting surface 204, the end surface of the supporting surface 204 is a 70-degree arc surface, the radius length of the arc surface is 0.1m, the maximum height of the diving surface 205 in the vertical direction is 28 degrees from the horizontal plane, the impulsive force of the device is reduced by the buffering surface, the stability of the device is increased, and the supporting surface 204 carries out limiting support on the double driven wheels 603.

Specifically, when the coal mine underground, after absorption, the main power wheel 601 pushing device enters the next section of working surface along the slide rail 2, and the plunger 8 slides to the pipe orifice position of the first connecting pipe orifice 5 through the elastic force of the spring 801, so that the aim of sealing the first connecting pipe orifice 5 is fulfilled.

In this embodiment, a main air inlet is formed in the left end face of the gas collection case 4, a filter screen 41 is arranged in the main air inlet to prevent dust in the air from entering the inside of the device, an absorption pipeline 43 is installed in the gas collection case 4, an absorption box and an exhaust fan are arranged in the absorption pipeline 43, two exhaust pipes 42 are installed on the upper end face of the gas collection case 4, an exhaust cavity is arranged in the upper end face of the exhaust pipe, an auxiliary fan 44 is installed at a port of the exhaust cavity, the exhaust pipes 42 are communicated with a second pipeline 301 through the exhaust cavity, the exhaust pipeline 1 and the ventilation pipeline 3 are respectively communicated with an underground coal mine sewage pipeline and a fresh air pipeline, on one hand, the underground carbon monoxide is absorbed into the gas collection case 4 through the exhaust fan in the absorption pipeline 43, an absorbent is arranged in the absorption box to absorb the carbon monoxide and simultaneously discharge the carbon monoxide into the exhaust pipeline 1 through the first, and then exhaust duct 1 discharges through the dirty wind pipeline in the pit of colliery, and on the other hand when carbon monoxide concentration reduces to the safe value, air pipe 3 introduces the fresh air in the fresh wind pipeline in the pit of colliery into gas collection machine case 4, discharges the new trend into the colliery from exhaust pipe 42 through the exhaust chamber in the pit, further dilutes carbon monoxide.

In this embodiment, a carbon monoxide gas concentration detecting instrument is further connected to the outside of the gas absorption cabinet 4, and is used for monitoring the carbon monoxide concentration in the absorption area in real time.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the inventive concept within the technical scope of the present invention, and the technical solution and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A quick carbon monoxide absorption device for mine exploitation, which comprises a gas absorption case (4) and a power device (6), and is characterized in that: power device (6) are installed to the preceding terminal surface and the rear end face of gaseous absorption machine case (4), two slide rails (2) are installed to the upper end symmetry of gaseous absorption machine case (7), power device (6) and slide rail (2) are mutually supported, exhaust duct (1) and air pipe (3) are installed to the up end of gaseous absorption machine case (4), the right-hand member face of gaseous absorption machine case (4) is connected with pipeline (101) and pipeline two (301), gaseous absorption machine case is linked together with exhaust duct (1) and air pipe (3) respectively through pipeline (101) and pipeline two (301), slide rail (2) and air pipe (3) and exhaust duct (1) are parallel to each other and are placed.

2. The device for rapidly absorbing carbon monoxide used for mine mining according to claim 1, is characterized in that a first connecting pipe orifice (5) is installed on the side face of the ventilation pipeline (3) and the side face of the exhaust pipeline (1), a plurality of first connecting pipe orifices (5) are arranged on the first connecting pipe orifice (5), the first connecting pipe orifices (5) are uniformly arranged on a straight line at equal intervals, a second connecting pipe orifice (7) is arranged at one end of the first pipeline (101) and one end of the second pipeline (301), the first connecting pipe orifice (5) and the second connecting pipe orifice (7) are matched and connected with each other, a plunger (8) is connected in the first connecting pipe orifice (5) in a sliding mode, the cross section of the plunger (8) is in an I-shaped structure, a first annular groove is formed in the end face of the plunger (8) close to the pipe orifice, a second annular groove corresponding to the inner wall of the first connecting pipe orifice (5) is formed in the inner wall of the first connecting pipe orifice (5), a plurality of connecting springs (801) are arranged between the first annular groove and the second annular groove, a support rod (802) is fixed on the inner wall of one side end face of the plunger (8) close to the pipe orifice, the inner wall of the support rod (802) when the support rod (802) is close to the outer wall of the connecting pipe orifice, the outer wall of the rubber ring (358), the inner wall of the support rod (802) and the rubber ring (802) are fixed on the outer wall of the rubber ring.

3. The rapid carbon monoxide absorption device for mine mining according to claim 2, wherein: the side outer wall symmetry of connecting pipe mouth two (7) is fixed with two spacing card strips (701), the outer wall of connecting tube one (5) is provided with spacing groove (502) corresponding with spacing card strip (701) position, spacing card strip (701) and spacing groove (502) are mutually supported the joint, the length of spacing card strip (701) is the fourth of connecting pipe mouth two (7) side height, the installation of being convenient for is dismantled.

4. The rapid carbon monoxide absorption device for mine mining according to claim 2, wherein: the distance between the first connecting pipe orifices (5) is 30 meters.

5. The rapid carbon monoxide absorption device for mine mining according to claim 1, wherein: power device (6) include main power wheel (601) and conveyer belt (602), main power wheel (601) are connected fixedly with driving motor's output shaft, the upper end of main power wheel (601) is connected with two through conveyer belt (602) and follows driving wheel (603), two auxiliary roller (604) are installed through the connecting spring symmetry in the below both sides position of two follow driving wheels (603), be provided with fixed strip (201) on slide rail (2), fixed strip (201) alternate to be fixed between two follow driving wheels (603) and auxiliary roller (604).

6. A rapid carbon monoxide absorption device for mine mining as claimed in claim 5, wherein: be provided with a plurality of undulation face piece (202) on the barre of fixed strip (201), undulation face piece (202) are including buffering face (203), holding surface (204) and dive face (205), buffering face (203) and dive face (205) symmetry set up the both sides at holding surface (204), the terminal surface of holding surface (204) is 70 arcwall faces, and arcwall face radius length is 0.1m, the biggest height and the horizontal plane contained angle on dive face (205) vertical direction are 28.

7. The rapid carbon monoxide absorption device for mine mining according to claim 1, wherein: the left end face of gas collection machine case (4) has been seted up main air inlet, be provided with filter screen (41) in the main air inlet, inside the dust access device who prevents in the air, install absorption pipeline (43) in the gas collection machine case (4), be equipped with absorption box and exhaust fan in absorption pipeline (43), two exhaust pipe (42) are installed to the up end of gas collection machine case (4), and inside is provided with the exhaust chamber, auxiliary fan (44) are installed to the port in exhaust chamber, exhaust pipe (42) are linked together through exhaust chamber and pipeline two (301), exhaust duct (1) and air pipe (3) communicate colliery dirty air duct way and new trend pipeline respectively.

8. The rapid carbon monoxide absorption device for mine mining according to claim 1, wherein: and a carbon monoxide gas concentration detection instrument is also connected to the outside of the gas absorption case (4).