CN111206953A - Outburst coal seam gas extraction device - Google Patents
Outburst coal seam gas extraction device Download PDFInfo
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- CN111206953A CN111206953A CN202010202343.1A CN202010202343A CN111206953A CN 111206953 A CN111206953 A CN 111206953A CN 202010202343 A CN202010202343 A CN 202010202343A CN 111206953 A CN111206953 A CN 111206953A
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- gas extraction
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- 238000000605 extraction Methods 0.000 title claims abstract description 61
- 239000003245 coal Substances 0.000 title claims abstract description 33
- 238000001914 filtration Methods 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000008093 supporting effect Effects 0.000 claims abstract description 14
- 230000003139 buffering effect Effects 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 20
- 238000004804 winding Methods 0.000 abstract description 10
- 238000004140 cleaning Methods 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 9
- 238000005553 drilling Methods 0.000 description 3
- 229910000639 Spring steel Inorganic materials 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
- E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
-
- 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
- B01D46/42—Auxiliary equipment or operation thereof
-
- 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
-
- 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
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/02—Suspension devices for tubes or the like, e.g. for ventilating ducts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a gas extraction device for a outburst coal seam, which comprises an extraction pipe, a fixed cover, a dust filtering device, a connecting pipe, a buffering and supporting device and a fixed pipe, wherein the dust filtering device is arranged on the left side of the extraction pipe, can filter dust contained in passing gas, and can realize quick replacement and cleaning of internal components through a transmission mechanism, so that the operation of a user is facilitated; the top of the filter assembly in the dust filtering device is provided with the fixing plate, the top of the fixing plate is connected with the pull rope through the hanging ring, the pull rope is wound in the winding roller, and the winding roller is wound under the control of the motor, so that the inner filter assembly can be stably lifted and put down, the operation of a user is facilitated, and the operation steps are reduced; the lower end of the connecting pipe is provided with the buffering supporting device, the connecting pipe is fixed by the two groups of pipe clamps in the supporting device, and the right end of the connecting pipe in the device is supported by the spring, so that the connecting pipe is prevented from deviating due to vibration in the extraction process.
Description
Technical Field
The invention relates to the field of gas extraction devices, in particular to a gas extraction device for a outburst coal seam.
Background
The permeability of the soft outburst coal seam (the hardness coefficient f is less than or equal to 1) is poor, the gas content is high, the phenomena of hole collapse, drill sticking, orifice spraying and the like are easily generated in the drilling process, although the record that the drilling depth exceeds 150m and even reaches 240m exists in the soft outburst coal seam in China, most of the drilling depths are below 100m, the hole forming rate is low, the outburst prevention cost and the gas drainage cost are high, the proportion of the soft coal seam in the mined coal seam in China is large, and therefore special gas extraction equipment is needed to extract gas.
When gas extraction device carries out in-service use, mostly for the handheld extraction that draws of manpower, lead to wasting time and energy to stability is not enough, leads to the extraction pipe skew easily, and easy with the coal ash extraction when the extraction, causes the muddy of gas, needs follow-up equipment to handle.
Disclosure of Invention
Therefore, in order to solve the above defects, the present invention provides a gas extraction device for a outburst coal seam.
The invention is realized in such a way that a gas extraction device for a outburst coal seam is constructed, the device comprises an extraction pipe, a fixed cover is fixed on the left side of the extraction pipe, a connecting pipe is arranged at the left end of the extraction pipe, the left side of the extraction pipe is connected with a dust filter, the left side of the dust filter is connected with the connecting pipe in a butt joint mode, a buffering support device is arranged at the right end of the outer diameter of the connecting pipe, the dust filter comprises a fixed frame, a round pipe, support arms, a slide way, a transmission case and a filter mechanism, the bottom of the fixed frame is fixedly welded with the round pipe, the support arms are vertically fixed at the front end and the rear end of the top of the fixed frame, the middle part of the inner side.
Preferably, the upper end is provided with first barometer in the connecting tube, the connecting tube left side is fixed through the flange lock bolt with fixed pipe, fixed outside diameter of tubes surface left end has cup jointed the supporting seat, fixed pipe left side is passed through the flange and is docked with the discharge pipe, the discharge pipe top is provided with the second barometer, second barometer left side and connector welded fastening.
Preferably, the buffering support device comprises a first support, a first pipe clamp, a spring, a base, a connecting plate, a second support and a second pipe clamp, the top of the first support is fixed with the first pipe clamp through a bolt, the first pipe clamp is sleeved at the right end of the outer diameter surface of the connecting pipe, the bottom of the first support is connected with the spring, the bottom of the spring is fixed with the base, the left end of the top of the base is fixed with the connecting plate, the top of the connecting plate is welded with the second support, the top of the second support is fixed with the second pipe clamp through a bolt, and the second support and the connecting pipe are sleeved in the middle of the outer diameter surface of the connecting pipe.
Preferably, the transmission case includes box, motor, main shaft, wind-up roll, stay cord and axle bed, the box left side is connected with the motor through the bolt, motor right side output shaft runs through the box and fixes with the main shaft, both ends are provided with the wind-up roll about the main shaft external diameter surface, the winding of wind-up roll external diameter surface has the stay cord, the stay cord tail end runs through the bottom half, main shaft external diameter surface middle part is run through by the axle bed, both ends are fixed with the support arm about the bottom half.
Preferably, the filtering mechanism comprises a fixed plate, a bump, a lifting ring, a filtering component, a slot and a clamping seat, the bump is fixed on the left side and the right side of the fixed plate, the lifting ring is fixed in the middle of the top end of the bump, the lifting ring is fixed with the tail end of the pull rope, the bottom of the fixed plate is connected with the filtering component, the filtering component is embedded into the slot in the middle of the clamping seat, the bottom of the clamping seat is fixed on the bottom of the circular tube, and the bump is movably embedded into the slide way.
Preferably, the fixed plate comprises a plate body, a through groove, a balancing weight, an insert and a lock hole, the through groove is formed in the middle of the inside of the plate body, the balancing weight is arranged in the through groove, the middle of the bottom end of the plate body is embedded into the upper end of the inside of the filter assembly through the insert, the lock hole is formed in the insert, and a bolt is screwed into the lock hole.
Preferably, an embedded groove is formed in the middle of the upper end in the fixing frame, and a sealing silica gel layer is bonded on the inner side of the embedded groove.
Preferably, the springs and the connecting plate are fixed on the base in a V shape, and two groups of springs are arranged.
Preferably, openings are formed in the left end and the right end of the inner bottom of the box body, and the inner diameter of each opening is larger than the outer diameter of the pull rope.
Preferably, rubber is bonded on the outer diameter surface of the filtering assembly, and the rubber is tightly attached to the inner wall of the circular tube and the inside of the slot.
Preferably, the spring is made of spring steel.
Preferably, the box body is made of stainless steel.
The invention has the following advantages: the invention provides a gas extraction device for a outburst coal seam through improvement, and compared with the same type of equipment, the gas extraction device has the following improvements:
the method has the advantages that: according to the outburst coal seam gas extraction device, the dust filter device is mounted on the left side of the extraction pipe, the dust filter device can filter dust contained in passing gas, and the internal components can be replaced and cleaned quickly through the transmission mechanism, so that the operation of a user is facilitated.
The method has the advantages that: according to the outburst coal seam gas extraction device, the fixed plate is arranged at the top of the filtering component in the dust filtering device, the top of the fixed plate is connected with the pull rope through the hanging ring, the pull rope is wound in the winding roller, and the winding roller is wound under the control of the motor, so that the internal filtering component can be stably lifted and put down, the operation of a user is facilitated, and the operation steps are reduced.
The method has the advantages that: according to the outburst coal seam gas extraction device, the buffer support device is arranged at the lower end of the connecting pipe, the connecting pipe is fixed by the two groups of pipe clamps in the support device, and the right end in the device is supported by the spring, so that the connecting pipe is prevented from deviating due to vibration in the extraction process.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the dust filter of the present invention;
FIG. 3 is a schematic view of the inner structure of the circular tube of the present invention;
FIG. 4 is a schematic view of the support device of the present invention;
FIG. 5 is a schematic view of the internal structure of the transmission case of the present invention;
FIG. 6 is a schematic view of the filter mechanism of the present invention;
fig. 7 is a schematic view of the internal structure of the fixing plate of the present invention.
Wherein: an extraction pipe-1, a fixed cover-2, a dust filter-3, a connecting pipe-4, a first air pressure gauge-5, a buffer support device-6, a fixed pipe-7, a support seat-8, a discharge pipe-9, a second air pressure gauge-10, a connecting port-11, a fixed frame-31, a round pipe-32, a support arm-33, a slideway-34, a transmission box-35, a filter mechanism-36, a first support seat-61, a first pipe clamp-62, a spring-63, a base-64, a connecting plate-65, a second support seat-66 and a second pipe clamp
67. A box body-351, a motor-352, a main shaft-353, a wind-up roll-354, a pull rope-355, a shaft seat-356, a fixed plate-361, a convex block-362, a hanging ring-363, a filter component-364, a slot-365, a clamping seat-366 and a plate body-
3611. A through groove-3612, a balancing weight-3613, an insert-3614 and a lock hole-3615.
Detailed Description
The present invention will be described in detail below with reference to fig. 1 to 7, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, the invention provides a gas extraction device for a outburst coal seam through improvement, which comprises an extraction pipe 1, wherein a fixed cover 2 is fixed on the left side of the extraction pipe 1, a connecting pipe 4 is arranged at the left end of the extraction pipe 1, the left side of the extraction pipe 1 is connected with a dust filter 3, the left side of the dust filter 3 is connected with the connecting pipe 4 in a butt joint mode, a buffering support device 6 is arranged at the right end of the outer diameter of the connecting pipe 4, a first barometer 5 is arranged at the inner upper end of the connecting pipe 4, the left side of the connecting pipe 4 is fixed with a fixed pipe 7 through a flange lock-in bolt, a support seat 8 is sleeved at the left end of the outer diameter surface of the fixed pipe 7, the left side of the fixed pipe 7 is connected with a discharge pipe 9 through a flange, a second barometer 10 is arranged at.
Referring to fig. 2 and 3, the invention provides a gas extraction device for a outburst coal seam through improvement, the dust filter device 3 comprises a fixing frame 31, a round pipe 32, supporting arms 33, a slide rail 34, a transmission case 35 and a filter mechanism 36, the bottom of the fixing frame 31 is welded and fixed with the round pipe 32, the supporting arms 33 are vertically fixed at the front end and the rear end of the top of the fixing frame 31, the supporting effect is good, the stability is strong, the slide rail 34 is arranged in the middle of the inner side of the supporting arm 33 to facilitate the sliding of a filter assembly 364, the top of the supporting arm 33 is connected with the transmission case 35, the filter mechanism 36 is embedded in the fixing frame 31, an embedded groove is arranged in the middle of the upper end in the fixing frame 31, a sealing silica gel layer is bonded.
Referring to fig. 4, the invention provides a gas extraction device for a outburst coal seam by improving, the buffer support device 6 includes a first support 61, a first pipe clamp 62, a spring 63, a base 64, a connecting plate 65, a second support 66 and a second pipe clamp 67, the top of the first support 61 is fixed with the first pipe clamp 62 through a bolt, the first pipe clamp 62 is sleeved at the right end of the outer diameter surface of the connecting pipe 4, the bottom of the first support 61 is connected with the spring 63, the connecting pipe 4 can be fixed by matching of the two sets of support pipe clamps, the bottom of the spring 63 is fixed with the base 64, the spring 63 is made of spring steel, the strength is high, the stability is strong, the left end of the top of the base 64 is fixed with the connecting plate 65, the top of the connecting plate 65 is welded with the second support 66, the connecting plate 65 provides support stability at the left end, the top of the second support 66 is fixed with the second pipe clamp 67 through a bolt, and cup joint in connecting pipe 4 external diameter surface middle part between the two, spring 63 and connecting plate 65 are fixed and are the V style of calligraphy at base 64 to spring 63 is provided with two sets of, and buffering effect is good, and stability is strong.
Referring to fig. 5, the invention provides a protruding coal seam gas extraction device by improvement, the transmission case 35 includes a case 351, a motor 352, a main shaft 353, a wind-up roller 354, a pull rope 355 and a shaft seat 356, the left side of the case 351 is connected with the motor 352 through a bolt, the motor 352 is a main power source, a right output shaft of the motor 352 penetrates through the case 351 and is fixed with the main shaft 353, the wind-up roller 354 is arranged at the left and right ends of the outer diameter surface of the main shaft 353, a pull rope 355 is wound on the outer diameter surface of the wind-up roller 354, the tail end of the pull rope 355 penetrates through the bottom of the case 351, the connection of the pull rope 355 can stably pull up a filter assembly 364 at the bottom, the middle part of the outer diameter surface of the main shaft 353 is penetrated through the shaft seat 356, the shaft seat 356 can lift the main shaft 353 in rotation to realize stable rotation, the opening has been seted up at both ends about the bottom in box 351 to opening internal diameter size is greater than stay cord 355 external diameter size, makes things convenient for stay cord 355 to pass through, and box 351 adopts stainless steel, prevents to use for a long time and leads to the rusty stain.
Referring to fig. 6, the invention provides a protruding coal seam gas extraction device through improvement, the filter mechanism 36 includes a fixing plate 361, a projection 362, a hanging ring 363, a filter assembly 364, a slot 365 and a clamping seat 366, the projection 362 is fixed on the left and right sides of the fixing plate 361, the hanging ring 363 is fixed in the middle of the top end of the projection 362, the hanging ring 363 is fixed to the tail end of the pull rope 355, the bottom of the fixing plate 361 is connected to the filter assembly 364, the filter assembly 364 is embedded into the slot 365 arranged in the middle of the clamping seat 366, the bottom of the clamping seat 366 is fixed at the bottom of the circular tube 32, the projection 362 is movably embedded into the slideway 34, rubber is bonded to the outer diameter surface of the filter assembly 364, and the rubber is tightly bonded to the inner wall of the circular tube 32 and the slot 365, so that.
Referring to fig. 7, the invention provides a protruding coal seam gas extraction device through improvement, the fixing plate 361 includes a plate body 3611, a through groove 3612, a weight block 3613, an insert 3614 and a lock hole 3615, the through groove 3612 is formed in the middle of the plate body 3611, the weight block 3613 is arranged in the through groove 3612, the weight block 3613 facilitates stable falling of the bottom filter assembly 364, the middle of the bottom end of the plate body 3611 is embedded into the upper end of the filter assembly 364 through the insert 3614, the lock hole 3615 is formed in the insert 3614, and a bolt is screwed into the lock hole 3615.
Example two
According to the outburst coal seam gas extraction device provided by the invention, through improvement, the sealing cover is arranged on the left side of the transmission case 35, and the transmission case 35 is fixed with the sealing cover through bolts, so that the winding roller 354 in the transmission case 35 can be conveniently overhauled and detected; fixing grooves are fixed at the front end and the rear end of the upper end of the inner side of the circular tube 32, sealing silica gel is bonded in the fixing grooves, and the fixing grooves are connected with the embedded filter assembly 364, so that a sealing effect is effectively provided, gas leakage is prevented, and safety is improved; the inner surfaces of the first pipe clamp 62 and the second pipe clamp 67 are smooth, and the inner walls of the first pipe clamp and the second pipe clamp are tightly attached to the connecting pipe 4, so that the connecting pipe 4 is prevented from being damaged due to contact with the pipe clamps caused by vibration; the mounting groove has been seted up to middle part upper end in filter assembly 364 to the mounting groove is inserted by plug-in 3614, and plug-in 3614 is fixed through bolt and mounting groove after that, makes things convenient for filter assembly 364 to change and install, and is effectual, efficient.
The invention provides a gas extraction device for a outburst coal seam through improvement, and the working principle of the gas extraction device is as follows;
firstly, when the device needs to be used, the device is moved to a position needing to be used, then the right end of the extraction pipe 1 is inserted into the pre-opened hole, then the left side of the connecting port 11 is connected with air extraction equipment, and then a power supply connecting position at the front end of the motor 352 is connected to a power supply through an external power supply wire, so that required electric energy can be provided for the motor 352 to work;
secondly, the supporting seat 8 at the left end of the bottom of the fixed pipe 7 can support the fixed pipe, the buffer supporting device 6 is arranged at the right end of the outer diameter surface of the connecting pipe 4, two groups of pipe clamps are arranged in the buffer supporting device to clamp the connecting pipe 4, and two groups of springs 63 are arranged at the right end of the bottom of the fixed pipe and matched with the connecting plate 65 at the left end of the fixed pipe to realize buffering, so that the stability of the connecting pipe 4 can be realized;
thirdly, gas can be extracted, the gas enters from the extraction pipe 1, then the coal dust in the gas is filtered by the filter assembly 364 in the filter mechanism 36 in the circular pipe 32, then the gas passes through the connecting pipe 4 and the fixed pipe 7 in sequence and finally is discharged to the discharge pipe 9, the gas pressure can be detected by the first gas pressure gauge 10 on the connecting pipe 4, and the gas pressure during discharge can be displayed by the second gas pressure gauge 10 on the discharge pipe 9;
fourthly, when the components in the filtering mechanism 36 need to be cleaned and replaced, the motor 352 is started to work, the output shaft on the right side of the motor 352 rotates to drive the main shaft 353 in the motor to rotate, then the main shaft 353 enables the winding roller 354 to rotate, and then the winding roller 354 can pull up the filtering component 364 at the bottom through the pull rope 355;
fifthly, then can clear up the impurity on the filter assembly 364 to can make the filter assembly 364 break away from fixed plate 361 through the screw bolt of unscrewing, can install new filter assembly 364 again next time, imbed in the filter assembly 364 by the plug-in 3614 of fixed plate 361 bottom, then through the bolt fastening, last reverse rotation motor 352 makes wind-up roll 354 put down stay cord 355, owing to be provided with in the fixed plate 361 and join in marriage heavy piece 3613, so filter assembly 364 enters into fixed frame 31, insert to the slot 365 at last and can accomplish the installation.
According to the outburst coal seam gas extraction device provided by the invention, the dust filtering device 3 is arranged on the left side of the extraction pipe 1, the dust filtering device 3 can filter dust contained in passing gas, and the internal components can be quickly replaced and cleaned through the transmission mechanism, so that the operation of a user is facilitated; the top of the filtering component 364 in the dust filtering device 3 is provided with the fixing plate 361, the top of the fixing plate 361 is connected with the pull rope 355 through the hanging ring 363, the pull rope 355 is wound in the winding roller 354, and the winding roller 354 is wound under the control of the motor 352, so that the internal filtering component 364 can be stably lifted and put down, the operation of a user is facilitated, and the operation steps are reduced; by providing the connection tube 4 with a buffer support 6 at its lower end, the connection tube 4 is fixed in the support by two sets of tube clamps and supported by a spring 63 at its right end in the device, preventing the connection tube from shifting due to shocks during the extraction process.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The gas extraction device for the outburst coal seam comprises an extraction pipe (1), wherein a fixed cover (2) is fixed on the left side of the extraction pipe (1), and a connecting pipe (4) is arranged at the left end of the extraction pipe (1);
the method is characterized in that: still including straining dirt device (3) and buffering strutting arrangement (6), extraction pipe (1) left side meets with straining dirt device (3) to strain dirt device (3) left side and butt joint of connecting pipe (4), connecting pipe (4) external diameter right-hand member is provided with buffering strutting arrangement (6), strain dirt device (3) including fixed frame (31), pipe (32), support arm (33), slide (34), transmission case (35) and filtering mechanism (36), fixed frame (31) bottom and pipe (32) welded fastening, both ends vertical fixation has support arm (33) around fixed frame (31) top, slide (34) have been seted up at support arm (33) inboard middle part, support arm (33) top meets with transmission case (35), embedded filtering mechanism (36) have been gone into in fixed frame (31).
2. The gas extraction device for the outburst coal seam according to claim 1, which is characterized in that: the utility model discloses a pneumatic pressure gauge, including connecting pipe (4), connecting pipe (4) left side and fixed pipe (7), the bolt is gone into through the flange lock to fix, fixed pipe (7) external diameter surface left end has cup jointed supporting seat (8), fixed pipe (7) left side is passed through the flange and is docked with discharge pipe (9), discharge pipe (9) top is provided with second pneumatic pressure gauge (10), second pneumatic pressure gauge (10) left side and connector (11) welded fastening.
3. The gas extraction device for the outburst coal seam according to claim 1, which is characterized in that: the buffering supporting device (6) comprises a first support (61), a first pipe clamp (62), a spring (63), a base (64), a connecting plate (65), a second support (66) and a second pipe clamp (67), wherein the top of the first support (61) is fixed with the first pipe clamp (62) through a bolt, the first pipe clamp (62) is sleeved at the right end of the outer diameter surface of the connecting pipe (4), the bottom of the first support (61) is connected with the spring (63), the bottom of the spring (63) is fixed with the base (64), the left end of the top of the base (64) is fixed with the connecting plate (65), the top of the connecting plate (65) is welded with the second support (66), the top of the second support (66) is fixed with the second pipe clamp (67) through a bolt, and the middle of the outer diameter surface of the connecting pipe (4) is sleeved between the first support and the second support.
4. The gas extraction device for the outburst coal seam according to claim 1, which is characterized in that: transmission case (35) include box (351), motor (352), main shaft (353), wind-up roll (354), stay cord (355) and axle bed (356), box (351) left side is connected with motor (352) through the bolt, motor (352) right side output shaft runs through box (351) and is fixed with main shaft (353), both ends are provided with wind-up roll (354) about main shaft (353) external diameter surface, wind on wind-up roll (354) external diameter surface stay cord (355), box (351) bottom is run through to stay cord (355) tail end, main shaft (353) external diameter surface middle part is run through by axle bed (356), both ends are fixed with support arm (33) about box (351) bottom.
5. The gas extraction device for the outburst coal seam according to claim 1, which is characterized in that: the filter mechanism (36) comprises a fixing plate (361), a protruding block (362), a hanging ring (363), a filter component (364), a slot (365) and a clamping seat (366), the protruding block (362) is fixed on the left side and the right side of the fixing plate (361), the hanging ring (363) is fixed in the middle of the top end of the protruding block (362), the hanging ring (363) is fixed to the tail end of the pull rope (355), the bottom of the fixing plate (361) is connected with the filter component (364), the filter component (364) is embedded into the slot (365) formed in the middle of the clamping seat (366), the bottom of the clamping seat (366) is fixed to the inner bottom of the circular tube (32), and the protruding block (362) is movably embedded into the sliding channel (34).
6. The gas extraction device for the outburst coal seam according to claim 5, which is characterized in that: the fixing plate (361) comprises a plate body (3611), a through groove (3612), a balancing weight (3613), an insert (3614) and a locking hole (3615), the through groove (3612) is formed in the middle of the plate body (3611), the balancing weight (3613) is arranged in the through groove (3612), the middle of the bottom end of the plate body (3611) is embedded into the inner upper end of the filter assembly (364) through the insert (3614), the locking hole (3615) is formed in the insert (3614), and a bolt is screwed into the locking hole (3615).
7. The gas extraction device for the outburst coal seam according to claim 1, which is characterized in that: an embedded groove is formed in the middle of the upper end in the fixing frame (31), and a sealing silica gel layer is bonded on the inner side of the embedded groove.
8. The gas extraction device for the outburst coal seam according to claim 3, which is characterized in that: the springs (63) and the connecting plates (65) are fixed on the base (64) in a V shape, and two groups of springs (63) are arranged.
9. The gas extraction device for the outburst coal seam according to claim 4, which is characterized in that: openings are formed in the left end and the right end of the bottom in the box body (351), and the inner diameter of each opening is larger than the outer diameter of the pull rope (355).
10. The gas extraction device for the outburst coal seam according to claim 5, which is characterized in that: the outer diameter surface of the filtering component (364) is bonded with rubber, and the rubber is tightly attached to the inner wall of the circular tube (32) and the slot (365).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010202343.1A CN111206953A (en) | 2020-03-20 | 2020-03-20 | Outburst coal seam gas extraction device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010202343.1A CN111206953A (en) | 2020-03-20 | 2020-03-20 | Outburst coal seam gas extraction device |
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| CN202010202343.1A Pending CN111206953A (en) | 2020-03-20 | 2020-03-20 | Outburst coal seam gas extraction device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1583636A1 (en) * | 1987-12-15 | 1990-08-07 | Институт Горного Дела Ан Казсср | Coal bed degassing method |
| CN205618823U (en) * | 2016-04-05 | 2016-10-05 | 牟青蓉 | Double bracing formula elastic supporting tube card mechanism |
| CN206483517U (en) * | 2017-01-21 | 2017-09-12 | 菏泽海鼎饲料科技有限公司 | Damping reducing mechanism is used in a kind of feed addictive processing |
| CN209067177U (en) * | 2018-11-21 | 2019-07-05 | 李晓东 | A kind of coal mine gas drainage device |
| CN209801672U (en) * | 2019-04-01 | 2019-12-17 | 广州奥揽达节能科技有限公司 | Electric lifting high-efficiency dust removing device |
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2020
- 2020-03-20 CN CN202010202343.1A patent/CN111206953A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1583636A1 (en) * | 1987-12-15 | 1990-08-07 | Институт Горного Дела Ан Казсср | Coal bed degassing method |
| CN205618823U (en) * | 2016-04-05 | 2016-10-05 | 牟青蓉 | Double bracing formula elastic supporting tube card mechanism |
| CN206483517U (en) * | 2017-01-21 | 2017-09-12 | 菏泽海鼎饲料科技有限公司 | Damping reducing mechanism is used in a kind of feed addictive processing |
| CN209067177U (en) * | 2018-11-21 | 2019-07-05 | 李晓东 | A kind of coal mine gas drainage device |
| CN209801672U (en) * | 2019-04-01 | 2019-12-17 | 广州奥揽达节能科技有限公司 | Electric lifting high-efficiency dust removing device |
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