CN113186009A - Coal mine underground gas purification device and purification method thereof - Google Patents
Coal mine underground gas purification device and purification method thereof Download PDFInfo
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- CN113186009A CN113186009A CN202110544788.2A CN202110544788A CN113186009A CN 113186009 A CN113186009 A CN 113186009A CN 202110544788 A CN202110544788 A CN 202110544788A CN 113186009 A CN113186009 A CN 113186009A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
-
- 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
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- 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
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
- C10L3/106—Removal of contaminants of water
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
Abstract
The invention discloses a coal mine underground gas purification device and a purification method thereof, and relates to the technical field of gas purification, in particular to a coal mine underground gas purification device and a purification method thereof. The coal mine underground gas purification device and the purification method thereof are provided with the driving cylinder which can drive the linkage plate to move rightwards through the telescopic rod, the fixed pile and the cleaning brush can be driven to move along with the linkage plate in the process of moving rightwards, and the moving cleaning brush can respectively clean the separation screen plate and the gas purification box.
Description
Technical Field
The invention relates to the technical field of gas purification, in particular to a coal mine underground gas purification device and a purification method thereof.
Background
The gas is formed by decomposing cellulose and organic matters under the action of anaerobic bacteria at the initial stage of stacking ancient plants into coal. In a high-temperature and high-pressure environment, gas is continuously generated due to physical and chemical actions while coal is formed. The gas is colorless and tasteless, is insoluble in water, cannot support combustion and maintain respiration, can suffocate people due to oxygen deficiency when reaching a certain concentration, and can be combusted or exploded. The gas exists in a free state and an absorption state in a coal body or surrounding rock, and the underground gas needs to be purified to ensure the smooth operation of coal mining in the coal mining operation, so that the underground gas purifying device and the purifying method thereof are needed.
The existing underground coal mine gas purification device and the purification method thereof have the defects of complicated process, long time consumption and influence on the coal mining progress, and the existing gas purification device lacks the self cleaning function and is easy to influence the subsequent purification function of the device.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a coal mine underground gas purification device and a purification method thereof, and solves the problems that the existing coal mine underground gas purification device and the purification method thereof proposed in the background art are complicated in process, long in time consumption and influence on the coal mining progress, and the existing gas purification device is lack of a cleaning function of the existing gas purification device and is easy to influence the subsequent purification function of the device.
In order to achieve the purpose, the invention is realized by the following technical scheme: a coal mine underground gas purification device and a purification method thereof comprise a gas purification box and a cleaning brush, wherein a first air suction pump is installed on the left side of the gas purification box, an air inlet pipeline is connected on the left side of the first air suction pump, a driving cylinder is installed inside the gas purification box, a telescopic rod is connected on the right side of the driving cylinder, a linkage plate is connected on the right side of the telescopic rod, a fixed pile is installed on the right side of the linkage plate, limiting clamping grooves are formed in the front side and the rear side of the linkage plate, electric push rods are installed on the upper side and the lower side inside the fixed pile, a telescopic column is connected at the position, far away from the horizontal central line of the fixed pile, of the electric push rods, the cleaning brush is installed at the position, far away from the horizontal central line of the fixed pile, a decontamination channel is arranged on the right side of the fixed pile, a guide chute is arranged on the right side of the decontamination channel, and a sealing plate is installed on the right side of the guide chute, ball screws are arranged on the front side and the rear side of the sealing plate, conveying nuts are arranged outside the ball screws, a servo motor is arranged above the ball screws, a separation screen plate is arranged above the sewage disposal channel, limiting plates are fixed on the left side and the right side above the separation screen plate, a return spring is connected above the limiting plates, an elastic plate is connected above the return spring, a water absorption cotton plate is arranged above the elastic plate, heating rods are arranged on the left side and the right side above the water absorption cotton plate, a first activated carbon plate is arranged above the heating rods, a second activated carbon plate is arranged above the first activated carbon plate, a second air suction pump is arranged above the gas purification box, a gas transmission pipeline is connected to the right side of the second air suction pump, a gas collection box is connected to the right side of the gas transmission pipeline, and a gas outlet pipeline is arranged on the right side of the gas collection box, and the front end of the gas purification box is provided with an outer box door.
Optionally, the first air suction pump is in threaded connection with the air inlet pipeline, and a communicating structure is formed between the air inlet pipeline and the gas purification box.
Optionally, the separation screen plate is matched with the cross section of the gas purification box in size, the separation screen plate is of a hollow mesh structure, the water absorption cotton plate is matched with the cross section of the gas purification box in size, and the water absorption cotton plate and the separation screen plate are parallel to each other.
Optionally, the first activated carbon plate and the second activated carbon plate are parallel to each other, the gas purification box forms a communication structure with the gas collection box through the gas transmission pipeline, and the gas collection box forms a communication structure with the gas outlet pipeline.
Optionally, constitute tensile structure between electric putter and the flexible post, and be fixed connection between flexible post and the cleaning brush to the structure of spud pile is inside hollow structure.
Optionally, the driving cylinder forms a telescopic structure through the telescopic rod and the linkage plate, the fixing piles and the fixing piles are parallel to each other, the cleaning brushes are symmetrically distributed about the horizontal center line of the fixing piles, the cleaning brushes are perpendicular to the separation net plates, and the linkage plate forms a sliding structure through the limiting clamping groove and the gas purification box.
Optionally, the decontamination channel and the sealing plate are parallel to each other, the ball screws are symmetrically distributed about the vertical center line of the sealing plate, a rotating structure is formed between the servo motor and the ball screws, and the ball screws penetrate through the conveying nut.
Optionally, the limiting plate passes through return spring and constitutes elastic structure between the elastic plate, and return spring is the symmetric distribution about the vertical central line of cotton board that absorbs water.
Optionally, mutually perpendicular between heating rod and the cotton board that absorbs water, and the heating rod is the symmetric distribution about the vertical central line of cotton board that absorbs water.
Optionally, the purification method of the coal mine underground gas purification device includes the following steps:
s1: after the gas is introduced into the gas purification box, the gas naturally moves upwards due to the property of the gas, and when the gas passes through the separation screen plate, the gas is subjected to solid-gas separation by the separation screen plate;
s2: when the gas after solid-gas separation continues to move upwards, the gas passes through the water absorption cotton plate, and the water absorption cotton plate absorbs water vapor in the gas, so that the gas can be dehydrated;
s3: the gas continuously moves upwards after being dehydrated and sequentially passes through the first activated carbon plate and the second activated carbon plate, and the first activated carbon plate and the second activated carbon plate respectively dry and purify the gas.
The invention provides a coal mine underground gas purification device and a purification method thereof, which have the following beneficial effects:
1. the coal mine underground gas purification device and the purification method thereof are provided with a first gas suction pump which can guide gas into a gas purification box through a gas inlet pipeline, the gas in the gas purification box can be separated through a separation screen plate with a hollow-out net-shaped structure, particulate matters in the gas can be isolated, so that the effect of impurity removal can be achieved, a water suction cotton plate can adsorb water vapor in the gas, so that the gas can be purer, a first activated carbon plate can dry the gas after absorbing moisture, so that the drying degree of the gas is improved, a second activated carbon plate can adsorb impurities and the like in the gas, so that the purpose of purification is achieved, the gas purified in the gas purification box can be sucked into a gas collection box through a gas transmission pipeline, the gas collection box stores the gas, and the gas is conveniently discharged for use through a gas outlet pipeline, the problems that the existing underground coal mine gas purification device and the purification method thereof are complicated in process, long in time consumption and influence the coal mining progress are solved.
2. The coal mine underground gas purification device and the purification method thereof are provided with the electric push rod which can drive the telescopic column to move relatively in the direction away from the horizontal center line of the fixed pile, the telescopic column can drive the cleaning brush to move synchronously, so that the two sides of the cleaning brush can be respectively contacted with the bottom surfaces of the separation screen plate and the gas purification box, the driving cylinder can drive the linkage plate to move rightwards through the telescopic rod, the fixed pile and the cleaning brush can be driven to move along with the linkage plate in the process of moving rightwards of the linkage plate, the moving cleaning brush can respectively clean the separation screen plate and the gas purification box, the effect of limiting guide can be played on the movement of the linkage plate through the limiting clamping groove, the problem that the existing gas purification device is lack of the cleaning function of the gas purification device is avoided, and the subsequent purification function of the device is easily influenced.
3. The coal mine underground gas purification device and the purification method thereof are provided with the decontamination channel, so that sundries in the gas purification box can be conveniently cleaned, the servo motor can drive the ball screw to rotate, the ball screw can be rotated to carry out linear conveying in the vertical direction on the conveying nut, and the conveying nut can drive the sealing plate to move along with the conveying nut in the moving process, so that the gas purification box can be opened.
4. The underground coal mine gas purification device and the purification method thereof are provided with the limiting plate which can generate elasticity between the return spring and the elastic plate, so that the elastic plate can be close to or far away from the water absorption cotton plate, the water absorption cotton plate can be conveniently assembled and disassembled or replaced, the heating rod can heat the water absorption cotton plate by transferring the heat of the heating rod to the water absorption cotton plate, and therefore the drying treatment can be carried out on the water absorption cotton plate, and the service life of the water absorption cotton plate is prolonged.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a left side view schematically illustrating the structure of the gas purifying box according to the present invention;
FIG. 4 is a schematic sectional view of the inside of the gas purifying tank according to the present invention;
fig. 5 is an external structural view of the present invention.
In the figure: 1. a gas purifying box; 2. a telescopic rod; 3. a driving cylinder; 4. a linkage plate; 5. a first aspirator pump; 6. an air intake duct; 7. a cleaning brush; 8. a telescopic column; 9. an electric push rod; 10. fixing the pile; 11. a decontamination channel; 12. a sealing plate; 13. a ball screw; 14. a delivery nut; 15. separating the screen plate; 16. a limiting plate; 17. a return spring; 18. an elastic plate; 19. a water absorbent cotton board; 20. a servo motor; 21. a heating rod; 22. a first activated carbon plate; 23. a second activated carbon plate; 24. a gas pipeline; 25. a second getter pump; 26. a gas collection tank; 27. an air outlet pipe; 28. a limiting clamping groove; 29. a guide chute; 30. an outer box door.
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.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 5, the present invention provides a technical solution: a coal mine underground gas purification device and a purification method thereof comprise a gas purification box 1 and a cleaning brush 7, wherein a first air suction pump 5 is installed on the left side of the gas purification box 1, an air inlet pipeline 6 is connected on the left side of the first air suction pump 5, a driving cylinder 3 is installed inside the gas purification box 1, a telescopic rod 2 is connected on the right side of the driving cylinder 3, a linkage plate 4 is connected on the right side of the telescopic rod 2, a fixed pile 10 is installed on the right side of the linkage plate 4, limiting clamping grooves 28 are respectively arranged on the front side and the rear side of the linkage plate 4, electric push rods 9 are respectively installed on the upper side and the lower side inside the fixed pile 10, a telescopic column 8 is connected at the position of the electric push rod 9 far away from the horizontal central line of the fixed pile 10, the cleaning brush 7 is installed at the position of the telescopic column 8 far away from the horizontal central line of the fixed pile 10, a decontamination channel 11 is arranged on the right side of the fixed pile 10, and a guide chute 29 is arranged on the right side of the decontamination channel 11, a sealing plate 12 is installed on the right side of the guide chute 29, ball screws 13 are installed on the front side and the rear side of the sealing plate 12, a conveying nut 14 is installed outside the ball screws 13, a servo motor 20 is installed above the ball screws 13, a separation screen plate 15 is installed above the decontamination channel 11, limiting plates 16 are fixed on the left side and the right side above the separation screen plate 15, a return spring 17 is connected above the limiting plates 16, an elastic plate 18 is connected above the return spring 17, a water absorption cotton plate 19 is arranged above the elastic plate 18, heating rods 21 are installed on the left side and the right side above the water absorption cotton plate 19, a first activated carbon plate 22 is installed above the heating rods 21, a second activated carbon plate 23 is installed above the first activated carbon plate 22, a second air suction pump 25 is installed above the gas purification box 1, and an air delivery pipeline 24 is connected on the right side of the second air suction pump 25, the right side of the gas transmission pipeline 24 is connected with a gas collection box 26, the right side of the gas collection box 26 is provided with a gas outlet pipeline 27, and the front end of the gas purification box 1 is provided with an outer box door 30.
In the invention: the first air suction pump 5 is in threaded connection with the air inlet pipeline 6, and a communicating structure is formed between the air inlet pipeline 6 and the gas purification box 1; the first suction pump 5 can introduce gas into the gas purification tank 1 through the gas inlet pipe 6.
In the invention: the separation screen plate 15 is matched with the cross section of the gas purification box 1 in size, the structure of the separation screen plate 15 is a hollow net structure, the water absorption cotton plate 19 is matched with the cross section of the gas purification box 1 in size, and meanwhile, the water absorption cotton plate 19 is parallel to the separation screen plate 15; the separation otter board 15 through fretwork network structure can separate the gas in the gas purification box 1, makes the internal particulate matter of gas keep apart to can reach the effect of edulcoration, the cotton board 19 that absorbs water can adsorb the aqueous vapor in the gas, thereby can make the gas purer, and first active carbon plate 22 can carry out drying process to the gas after adsorbing moisture, thereby has improved gaseous degree of drying.
In the invention: the first activated carbon plate 22 and the second activated carbon plate 23 are parallel to each other, a communication structure is formed between the gas purifying box 1 and the gas collecting box 26 through the gas transmission pipeline 24, and a communication structure is formed between the gas collecting box 26 and the gas outlet pipeline 27; the second activated carbon plate 23 can adsorb impurities in gas, so that the gas can be purified, the gas purified in the gas purification box 1 can be sucked into the gas collection box 26 through the gas transmission pipeline 24 and stored by the gas collection box 26, and the gas can be discharged and used conveniently through the gas outlet pipeline 27, so that the problems that the process of the existing underground coal mine gas purification device and the purification method thereof is complicated, the time consumption is long, and the coal mining progress is influenced are solved.
In the invention: a stretching structure is formed between the electric push rod 9 and the telescopic column 8, the telescopic column 8 is fixedly connected with the cleaning brush 7, and the fixing pile 10 is of a hollow structure; electric putter 9 can drive flexible post 8 to keeping away from the direction relative motion of spud pile 10 horizontal center line, can drive cleaning brush 7 synchronous motion through flexible post 8 to the both sides of cleaning brush 7 can contact the bottom surface of separation otter board 15 and gas purification case 1 respectively.
In the invention: the driving cylinder 3 and the linkage plate 4 form a telescopic structure through the telescopic rod 2, the fixing piles 10 are parallel to each other, the cleaning brushes 7 are symmetrically distributed about the horizontal center line of the fixing piles 10, the cleaning brushes 7 are perpendicular to the separation screen plate 15, and the linkage plate 4 and the gas purification box 1 form a sliding structure through the limiting clamping groove 28; drive actuating cylinder 3 and can drive linkage board 4 through telescopic link 2 and move right, the in-process that moves right at linkage board 4 can drive spud pile 10 and cleaning brush 7 and move thereupon, the cleaning brush 7 of removal can clean separation otter board 15 and gas purification case 1 respectively, can play the effect of spacing direction to the removal of linkage board 4 through spacing draw-in groove 28, avoided current gas purification device to lack the clearance function of self, easily influence the problem of the subsequent purification performance of device.
In the invention: the decontamination channel 11 and the sealing plate 12 are parallel to each other, the ball screws 13 are symmetrically distributed about the vertical center line of the sealing plate 12, a rotating structure is formed between the servo motor 20 and the ball screws 13, and meanwhile, the ball screws 13 penetrate through the conveying nuts 14; the cleaning channel 11 can be convenient for the clearance to the debris in the gas purifying box 1, and servo motor 20 can drive ball screw 13 and rotate, rotates ball screw 13 and can carry out the straight line conveying of direction from top to bottom to conveying nut 14, and conveying nut 14 can drive closing plate 12 and remove thereupon at the in-process that removes to can open gas purifying box 1.
In the invention: the limiting plate 16 forms an elastic structure through the return spring 17 and the elastic plate 18, and the return spring 17 is symmetrically distributed about the vertical center line of the absorbent cotton plate 19; the limiting plate 16 can generate elasticity between the return spring 17 and the elastic plate 18, so that the elastic plate 18 can be close to or far away from the water absorbent cotton plate 19, and the water absorbent cotton plate 19 can be conveniently assembled and disassembled or replaced.
In the invention: the heating rods 21 are perpendicular to the water absorption cotton plate 19, and the heating rods 21 are symmetrically distributed about the vertical center line of the water absorption cotton plate 19; the heating rod 21 can heat the water absorption cotton plate 19 by transferring the heat of the heating rod to the water absorption cotton plate 19, so that the water absorption cotton plate 19 can be dried, and the service life of the water absorption cotton plate 19 is prolonged.
In the invention: the purification method of the coal mine underground gas purification device comprises the following steps:
s1: after the gas is introduced into the gas purifying box 1, the gas naturally moves upwards due to the property of the gas, and when the gas passes through the separation screen plate 15, the gas is subjected to solid-gas separation by the separation screen plate 15;
s2: when the gas after solid-gas separation continues to move upwards, the gas passes through the water absorption cotton plate 19, and the water absorption cotton plate 19 absorbs water vapor in the gas, so that the gas can be dehydrated;
s3: the gas continuously moves upwards after being dehydrated and sequentially passes through the first activated carbon plate 22 and the second activated carbon plate 23, and the first activated carbon plate 22 and the second activated carbon plate 23 respectively dry and purify the gas.
In conclusion, the coal mine underground gas purification device and the purification method thereof are characterized in that when the coal mine underground gas purification device is used, the first gas suction pump 5 is started at first, the first gas suction pump 5 guides gas into the gas purification box 1 through the gas inlet pipeline 6, the gas can continuously move upwards after entering the gas purification box 1 due to the characteristics of the gas, large particles in the gas directly fall into the bottom of the gas purification box 1 due to the self gravity, when the rest gas upwards passes through the separation screen plate 15 with small particle impurities in the hollowed-out net-shaped structure, the separation screen plate 15 can separate the gas from the gas, and the small particle impurities in the rest gas are isolated to the separation screen plate 15, so that the impurity removal effect is achieved; secondly, the separated gas upwards passes through the water absorption cotton plate 19, after the water absorption cotton plate 19 absorbs water in the gas, the gas continuously upwards passes through the first activated carbon plate 22, the first activated carbon plate 22 performs drying treatment on the gas after water absorption, so that the drying degree of the gas is improved, the dried gas passes through the second activated carbon plate 23, and impurities and the like in the gas are absorbed by the second activated carbon plate 23, so that the gas achieves the purpose of purification; then, the second air suction pump 25 is started, the second air suction pump 25 sucks the gas purified in the gas purification box 1 into the gas collection box 26 through the gas transmission pipeline 24, the gas collection box 26 stores the gas, and when the purified gas needs to be used subsequently, the gas can be discharged through the gas outlet pipeline 27; then a servo motor 20 is started, the servo motor 20 drives a ball screw 13 to rotate, the ball screw 13 is rotated to linearly convey a conveying nut 14 upwards, the conveying nut 14 drives a sealing plate 12 to move upwards along with the conveying nut 14 in the process of moving upwards, so that the gas purification box 1 can be opened, a guide chute 29 plays a limiting role in the upwards movement of the sealing plate 12, an electric push rod 9 is started again, the electric push rod 9 drives a telescopic column 8 to move relatively in the direction away from the horizontal central line of a fixed pile 10, a cleaning brush 7 is driven by the telescopic column 8 to move synchronously, so that the upper side and the lower side of the cleaning brush 7 can be respectively contacted with the bottom surfaces of a separation screen plate 15 and the gas purification box 1, a driving cylinder 3 is started again, the driving cylinder 3 drives a linkage plate 4 to move rightwards through a telescopic rod 2, the fixed pile 10 and the cleaning brush 7 can be driven to move along with the linkage plate 4 in the process of moving right, and the cleaning brush 7 cleans the separation screen plate 15 and the gas purification box 1 respectively, the limiting clamping groove 28 plays a role in limiting and guiding the movement of the linkage plate 4, and the cleaned impurities reach the outside of the gas purification box 1 through the cleaning channel 11, so that the gas purification device is prevented from lacking a self cleaning function and easily influencing the subsequent purification function of the device; at last to the heating rod 21 circular telegram, the heating rod 21 is to the cotton board 19 department that absorbs water with self heat transfer, the cotton board 19 that absorbs water heats, thereby can carry out drying process to it, the cotton board 19 that absorbs water has been improved, be favorable to the subsequent water absorption performance of the cotton board 19 that absorbs water, when needing to change the cotton board 19 that absorbs water, open outer case door 30, push down return spring 17, return spring 17 drives the elastic plate 18 and is close to limiting plate 16, can change the cotton board 19 that absorbs water, the cotton board 19 that will absorb water settles and gas purification case 1 back, loosen return spring 17, return spring 17 can drive the elastic plate 18 and keep away from limiting plate 16, elastic plate 18 can be inboard in elastic plate 18 with the cotton board 19 centre gripping that absorbs water this moment.
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 should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (10)
1. The utility model provides a colliery is gas purifier in pit, includes gas purifying box (1) and cleaning brush (7), its characterized in that: a first air suction pump (5) is installed on the left side of the gas purification box (1), an air inlet pipeline (6) is connected on the left side of the first air suction pump (5), a driving cylinder (3) is installed inside the gas purification box (1), a telescopic rod (2) is connected on the right side of the driving cylinder (3), a linkage plate (4) is connected on the right side of the telescopic rod (2), a fixing pile (10) is installed on the right side of the linkage plate (4), limiting clamping grooves (28) are formed in the front side and the rear side of the linkage plate (4), electric push rods (9) are installed on the upper side and the lower side inside the fixing pile (10), a telescopic column (8) is connected on the position, away from the horizontal central line of the fixing pile (10), of the electric push rods (9), a cleaning brush (7) is installed on the position, away from the horizontal central line of the fixing pile (10), a dirt cleaning channel (11) is arranged on the right side of the fixing pile (10), a guide chute (29) is arranged on the right side of the sewage disposal channel (11), a sealing plate (12) is installed on the right side of the guide chute (29), ball screws (13) are installed on the front side and the rear side of the sealing plate (12), a conveying nut (14) is installed outside the ball screws (13), a servo motor (20) is installed above the ball screws (13), a separation screen plate (15) is installed above the sewage disposal channel (11), limiting plates (16) are fixed on the left side and the right side above the separation screen plate (15), a return spring (17) is connected above the limiting plates (16), an elastic plate (18) is connected above the return spring (17), a water absorption cotton plate (19) is arranged above the elastic plate (18), heating rods (21) are installed on the left side and the right side above the water absorption cotton plate (19), and a first activated carbon plate (22) is installed above the heating rods (21), and second activated carbon plate (23) are installed to the top of first activated carbon plate (22), second aspirator pump (25) are installed to the top of gas purifying box (1), and the right side of second aspirator pump (25) is connected with gas transmission pipeline (24), the right side of gas transmission pipeline (24) is connected with gas collection box (26), and the right side of gas collection box (26) installs pipeline (27) of giving vent to anger, outer chamber door (30) are installed to the front end of gas purifying box (1).
2. The coal mine underground gas purification device according to claim 1, wherein: the first air suction pump (5) is in threaded connection with the air inlet pipeline (6), and the air inlet pipeline (6) and the gas purification box (1) form a communicating structure.
3. The coal mine underground gas purification device according to claim 1, wherein: the separation screen plate (15) is matched with the cross section of the gas purification box (1) in size, the structure of the separation screen plate (15) is a hollow net structure, the water absorption cotton plate (19) is matched with the cross section of the gas purification box (1) in size, and meanwhile the water absorption cotton plate (19) is parallel to the separation screen plate (15).
4. The coal mine underground gas purification device according to claim 1, wherein: the first activated carbon plate (22) and the second activated carbon plate (23) are parallel to each other, the gas purification box (1) forms a communication structure with the gas collection box (26) through the gas transmission pipeline (24), and the gas collection box (26) forms a communication structure with the gas outlet pipeline (27).
5. The coal mine underground gas purification device according to claim 1, wherein: constitute tensile structure between electric putter (9) and flexible post (8), and be fixed connection between flexible post (8) and cleaning brush (7) to the structure of spud pile (10) is inside hollow structure.
6. The coal mine underground gas purification device according to claim 1, wherein: drive actuating cylinder (3) and constitute extending structure between through telescopic link (2) and linkage board (4), and be parallel to each other between spud pile (10) and spud pile (10) to cleaning brush (7) are the symmetric distribution about the horizontal center line of spud pile (10), mutually perpendicular between cleaning brush (7) and separation otter board (15) simultaneously, linkage board (4) pass through between spacing draw-in groove (28) and the gas purification case (1) constitute sliding construction.
7. The coal mine underground gas purification device according to claim 1, wherein: the sewage disposal channel (11) and the sealing plate (12) are parallel to each other, the ball screws (13) are symmetrically distributed about the vertical central line of the sealing plate (12), a rotating structure is formed between the servo motor (20) and the ball screws (13), and meanwhile the ball screws (13) penetrate through the inner part of the conveying nut (14).
8. The coal mine underground gas purification device according to claim 1, wherein: the limiting plate (16) forms an elastic structure through the return spring (17) and the elastic plate (18), and the return spring (17) is symmetrically distributed about the vertical center line of the water absorption cotton plate (19).
9. The coal mine underground gas purification device according to claim 1, wherein: the heating rod (21) is perpendicular to the water absorption cotton plate (19), and the heating rod (21) is symmetrically distributed around the vertical center line of the water absorption cotton plate (19).
10. The underground coal mine gas purification device as claimed in any one of claims 1 to 9, wherein the purification method of the underground coal mine gas purification device comprises the following steps:
the S1: after the gas is introduced into the gas purifying box (1), the gas naturally moves upwards due to the property of the gas, and when the gas passes through the separation screen plate (15), the gas is subjected to solid-gas separation by the separation screen plate (15);
s2: when the gas after solid-gas separation continues to move upwards, the gas passes through the water absorption cotton plate (19), and the water absorption cotton plate (19) absorbs water vapor in the gas, so that the gas can be dehydrated;
s3: the gas continuously moves upwards after being dehydrated and sequentially passes through the first activated carbon plate (22) and the second activated carbon plate (23), and the first activated carbon plate (22) and the second activated carbon plate (23) respectively dry and purify the gas.
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