CN213175708U - Ultralow-concentration coal bed gas pumping and discharging device - Google Patents

Ultralow-concentration coal bed gas pumping and discharging device Download PDF

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Publication number
CN213175708U
CN213175708U CN202022056900.1U CN202022056900U CN213175708U CN 213175708 U CN213175708 U CN 213175708U CN 202022056900 U CN202022056900 U CN 202022056900U CN 213175708 U CN213175708 U CN 213175708U
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China
Prior art keywords
rotating shaft
coal bed
cover plate
bed gas
shaped tank
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Expired - Fee Related
Application number
CN202022056900.1U
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Chinese (zh)
Inventor
余珍
徐春旺
黄家敏
张文霞
宋德阳
王晓南
胡卫杰
李鹏举
李晓鹏
胡晓芳
李茜倩
霍斌
简明阳
郭会超
杨敬博
王继东
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HENAN INSTITUTE OF METALLURGY CO LTD
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HENAN INSTITUTE OF METALLURGY CO LTD
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Priority to CN202022056900.1U priority Critical patent/CN213175708U/en
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Publication of CN213175708U publication Critical patent/CN213175708U/en
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Abstract

The utility model provides a pump drainage ultralow concentration coal bed gas device. The ultra-low concentration coal bed gas device of pump drainage includes U-shaped jar, dust removal structure and filtration, dust removal structure connects inside the one end of U-shaped jar, and dust removal structure includes hexagonal pipe in first, collection dirt screen panel, first horizontal pole, centrifugal fan blade, first pivot, motor and first apron, the first apron of one end top threaded connection of U-shaped jar, and the top central point of first apron puts the installation motor, and the output of motor runs through first apron and connects first interior hexagonal pipe, and the skew central point in top of first apron puts through connection L shape exhaust tube. The utility model provides an ultra-low concentration coal bed gas device of pump drainage has and to contain the dust in can letting coal bed gas and hold back the inside collection at the collection dirt screen panel for dust content reduces in the pump drainage gas, reduces the pump drainage gas and causes the pollution influence to the surrounding environment, thereby the advantage of pump drainage process environmental protection more.

Description

Ultralow-concentration coal bed gas pumping and discharging device
Technical Field
The utility model relates to a low concentration coal bed gas treatment facility field especially relates to a pump drainage ultralow concentration coal bed gas device.
Background
The coal bed is a layered solid combustible mineral product formed by transforming plant remains through complex biochemical action and geological action. It is present in the coal-bearing rock series and is located between the top and bottom rock. The number of layers, the thickness, the laying state, the burial depth and the like of the coal seam are limited by ancient structures, ancient geographies and ancient climate conditions. The occurrence condition of the coal bed is an important basis for determining the economic value and development planning of the coal field.
Low concentration coal bed gas carries out the large tracts of land and pumps out completely through well formula stringing, and the pump drainage process is not handled the coal dust that contains, causes the air easily to contain the increase of coal dust content to pollute the living environment on every side easily.
Therefore, a new device for pumping and discharging ultra-low concentration coal bed gas is needed to solve the technical problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a can let contain the dust among the coal bed gas and hold back the inside collection at the collection dirt screen panel for dust content reduces in the pump drainage gas, reduces pump drainage gas and causes the pollution influence to the surrounding environment, thereby the pump drainage ultra low concentration coal bed gas device of pump drainage process environmental protection more.
The utility model provides a pump drainage ultra-low concentration coal bed gas device includes: the top parts of two ends of the U-shaped tank are respectively arranged in an open manner, and the bottom of the U-shaped tank is connected with a plurality of supporting rods; the dust removing structure is connected inside one end of the U-shaped tank and comprises a first inner hexagonal pipe, a dust collecting net cover, a first cross rod, centrifugal fan blades, a first rotating shaft, a motor and a first cover plate, wherein the top of one end of the U-shaped tank is in threaded connection with the first cover plate, the motor is installed at the center of the top of the first cover plate, the output end of the motor penetrates through the first cover plate and is connected with the first inner hexagonal pipe, the top of the first cover plate deviates from the center and is in through connection with an L-shaped exhaust pipe, the first cross rod is installed at the position, close to the bottom, inside of one end of the U-shaped tank and is rotatably connected with the first rotating shaft, the outer side wall, close to the bottom, of the first rotating shaft is connected with the centrifugal fan blades, the dust collecting net cover is placed at the top of the first cross rod, the dust collecting net cover is provided with a first through hole rotatably connected with the first rotating shaft, the top end of, the top end of the first rotating shaft is inserted into the first inner hexagonal tube; a filter structure connected inside the other end of the U-shaped tank.
Preferably, the filtering structure comprises a second cover plate, a filtering screen, activated carbon and a second cross rod, the top of the other end of the U-shaped tank is in threaded connection with the second cover plate, the other end of the U-shaped tank is close to the bottom of the U-shaped tank, the second cross rod is mounted at the top of the second cross rod, the filtering screen is placed inside the filtering screen, and the top of the second cover plate deviates from the circle center and is communicated with the L-shaped exhaust pipe.
Preferably, the center of the second cross rod is rotatably connected with a vertically arranged second rotating shaft, the bottom of the filter screen cover is provided with a second through hole matched with the second rotating shaft, the bottom end of the second rotating shaft is fixedly connected with a gear, the center of the bottom of the U-shaped tank is rotatably connected with a vertically arranged transmission shaft, the outer side wall of the transmission shaft is fixedly sleeved with a transmission gear, the bottom end of the first rotating shaft is connected with a single-tooth gear, the transmission gear is respectively connected with the single-tooth gear, gear engagement, hexagonal pipe in the second is connected in the rotation of the bottom central point of second apron position, the top of first pivot be equipped with the second in hexagonal pipe assorted second hexagon section, the top of first pivot is inserted inside the bottom of locating hexagonal pipe in the second, hexagonal pipe bottom is inserted in the second and is located the inside of filtering the screen panel, the even stirring vane that sets up of a plurality of bottom lateral wall fixed connection hexagonal pipe in the second.
Preferably, the central position of the inner bottom of the dust collecting net cover is connected with an integrally formed conical net cylinder.
Preferably, the outer side surfaces of the two ends of the U-shaped tank are respectively in threaded connection with a compression bolt.
Preferably, the other end of the L-shaped exhaust tube is communicated with the butt joint tube through a telescopic hose.
Preferably, the outer diameter of the first hexagonal section is smaller than that of the first rotating shaft, and the outer diameter of the second hexagonal section is smaller than that of the second rotating shaft.
Compared with the prior art, the utility model provides a pump drainage ultra-low concentration coal bed gas device has following beneficial effect:
the utility model provides a pump drainage ultralow concentration coal bed gas device, centrifugal fan blade produces the negative pressure convulsions, can carry out the suction to the bottom coal bed, contain dust gas and hold back the inside collection of collection dirt screen panel, thereby can let contain the dust among the coal bed gas and hold back the inside collection at the collection dirt screen panel, make dust content reduce among the pump drainage gas, it causes the pollution influence to the surrounding environment to reduce pump drainage gas, thereby the pump drainage process is more environmental protection, after the dust screen panel piles up full of coal dust, shift out first apron through the rotation, upwards shift out first apron, drop first interior hexagonal pipe from first pivot top, upwards shift out the collection dirt screen panel, regularly clear up the inside coal dust of collection dirt screen panel, guarantee to use clean ventilation next time.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of an apparatus for pumping and discharging ultra-low concentration coal bed gas provided by the present invention;
FIG. 2 is a schematic top view of the drive gear, single tooth gear and gear drive of FIG. 1;
FIG. 3 is an enlarged structural view of the first internal hexagonal tube and the first rotating shaft shown in FIG. 1.
Reference numbers in the figures: 1. a U-shaped tank; 2. a dust removal structure; 3. a filter structure; 4. a support bar; 5. butt-joint pipes; 6. a flexible hose; 7. an L-shaped exhaust pipe; 8. an L-shaped exhaust pipe; 21. a first inner hexagonal tube; 22. a conical mesh cylinder; 23. a dust collecting net cover; 24. a hold-down bolt; 25. a first cross bar; 26. centrifuging the fan blades; 27. a first rotating shaft; 28. a motor; 29. a first cover plate; 31. a second cover plate; 32. a second inner hexagonal tube; 33. a stirring blade; 34. a filtering net cover; 35. activated carbon; 36. a second cross bar; 37. a second rotating shaft; 38. a transmission gear; 39. a gear; 3a, a transmission shaft; 3b, a single-tooth gear.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of an apparatus for pumping and discharging ultra-low concentration coal bed methane according to the present invention; FIG. 2 is a schematic top view of the drive gear, single tooth gear and gear drive of FIG. 1; FIG. 3 is an enlarged structural view of the first internal hexagonal tube and the first rotating shaft shown in FIG. 1. The method comprises the following steps: u-shaped jar 1, dust collection structure 2 and filtration 3.
In the specific implementation process, as shown in fig. 1 and 2, the tops of the two ends of the U-shaped tank 1 are respectively open, the bottom of the U-shaped tank 1 is connected with a plurality of support rods 4, the dust removing structure 2 is connected inside one end of the U-shaped tank 1, the dust removing structure 2 comprises a first inner hexagonal tube 21, a dust collecting net cover 23, a first cross rod 25, a centrifugal fan blade 26, a first rotating shaft 27, a motor 28 and a first cover plate 29, the top of one end of the U-shaped tank 1 is in threaded connection with the first cover plate 29, the motor 28 is installed at the center of the top of the first cover plate 29, the output end of the motor 28 penetrates through the first cover plate 29 and is connected with the first inner hexagonal tube 21, the top of the first cover plate 29 deviates from the center and is connected with the L-shaped air exhaust tube 7 in a penetrating manner, the first cross rod 25 is installed at a position close to the bottom inside of the U-shaped tank 1, the center, first pivot 27 is close to the bottom lateral wall and connects centrifugal fan blade 26, and dust collecting net cover 23 is placed at the top of first horizontal pole 25, and dust collecting net cover 23 is equipped with the first through-hole of being connected with first pivot 27 rotation, and the top of first pivot 27 is equipped with the first hexagon section of hexagonal venturi tube 21 assorted in with first, and the inside of locating hexagonal venturi tube 21 in first is inserted on first pivot 27 top.
It should be noted that, the butt joint pipe 5 is butt jointed with the bottom coal seam network well arrangement pipe to be pumped and drained, the motor 28 is started, the first inner hexagonal pipe 21 drives the first rotating shaft 27 to rotate in the rotating process, the centrifugal fan blade 26 generates negative pressure air draft to pump the bottom coal seam, the gas containing dust is trapped inside the dust collecting net cover 23 to be collected, thereby leading the dust contained in the coal bed gas to be intercepted in the dust collecting net cover 23 for collection, so that the dust content in the pumped and exhausted gas is reduced, the pollution influence of the pumped and exhausted gas on the surrounding environment is reduced, therefore, the pumping process is more environment-friendly, after the dust collecting net cover 23 is fully accumulated with coal dust, the first cover plate 29 is moved out through rotation, the first cover plate 29 is moved upwards, the first inner hexagonal tube 21 is separated from the top end of the first rotating shaft 27, the dust collecting net cover 23 is moved upwards, the coal dust in the dust collecting net cover 23 is periodically cleaned, and the next use is clean and ventilated.
Referring to fig. 1, the filtering structure 3 is connected to the inside of the other end of the U-shaped tank 1, the filtering structure 3 includes a second cover plate 31, a filtering net cover 34, activated carbon 35 and a second cross rod 36, the second cover plate 31 is connected to the top of the other end of the U-shaped tank 1 in a threaded manner, the second cross rod 36 is installed at the position, close to the bottom, of the other end of the U-shaped tank 1, the filtering net cover 34 is placed at the top of the second cross rod 36, the activated carbon 35 is placed inside the filtering net cover 34, and the top of the second cover plate 31 is communicated with the L-shaped exhaust pipe 8 in.
It should be noted that the coal gas contains carbon monoxide harmful gas, and the gas can be adsorbed by flowing into the activated carbon 35, so as to adsorb the harmful gas, so that the content of the harmful gas in the exhaust gas is reduced, the health of the surrounding environment is ensured, the second cover plate 31 is removed by rotating, the second inner hexagonal tube 32 is removed from the top end of the second rotating shaft 37, the placed filter screen 34 is periodically removed, and the activated carbon 35 with failed inside is replaced.
Referring to fig. 1 and 2, a second rotating shaft 37 vertically arranged is rotatably connected to a center position of the second cross bar 36, a second through hole matched with the second rotating shaft 37 is formed at the bottom of the filter screen 34, a gear 39 is fixedly connected to a bottom end of the second rotating shaft 37, a vertically arranged transmission shaft 3a is rotatably connected to a center position of the bottom in the U-shaped tank 1, a transmission gear 38 is fixedly sleeved on an outer side wall of the transmission shaft 3a, a single-tooth gear 3b is connected to a bottom end of the first rotating shaft 27, the transmission gear 38 is respectively engaged with the single-tooth gear 3b and the gear 39, a second inner hexagonal pipe 32 is rotatably connected to a center position of the bottom of the second cover plate 31, a second hexagonal section matched with the second inner hexagonal pipe 32 is arranged at a top end of the first rotating shaft 27, a top end of the first rotating shaft 27 is inserted into a bottom end of the second inner hexagonal pipe 32, a bottom end of the second inner hexagonal pipe, the outer side wall of the bottom end of the second inner hexagonal tube 32 is fixedly connected with a plurality of uniformly arranged stirring blades 33.
It should be noted that, the process is opened to motor 28, thereby it is rotatory to drive monodentate gear 3b, monodentate gear 3b touches the process with the meshing of drive gear 38, can drive gear 38 and rotate, monodentate gear 3b rotates always, can drive gear 38 intermittent type formula and rotate, meshed gear 39 also carries out intermittent type formula and rotates, thereby drive stirring vane 33 intermittent type formula stirring inside active carbon 35, carry out intermittent type formula stirring to active carbon 35, can make active carbon 35 position change, make the gaseous contact possibility of letting in increase, improve active carbon 35 utilization ratio, the intermittent type stirring effect, prevent to stir always and cause the inside active process that remains all the time of active carbon 35, thereby cause the space to increase and cause the quick outflow of air that lets in easily, influence the treatment rate, and do not adopt a plurality of equipment drive rotatory, cost reduction.
Referring to fig. 1, the central position of the inner bottom of the dust collecting mesh enclosure 23 is connected with an integrally formed conical mesh cylinder 22, and the conical mesh cylinder 22 acts to ensure that the coal dust is fully piled on the inner bottom of the dust collecting mesh enclosure 23, and the air is still introduced to normally circulate from the outside of the conical mesh cylinder 22, so that the long-time normal air exhaust process is ensured.
Referring to fig. 1, the outer side surfaces of the two ends of the U-shaped tank 1 are respectively connected with the compression bolts 24 through threads, the placed dust collecting net cover 23 and the placed filter net cover 34 are compressed by rotating the compression bolts 24, and firmness of the placed dust collecting net cover 23 and the placed filter net cover 34 is increased.
Referring to fig. 1, the other end of the L-shaped exhaust pipe 7 is communicated with the docking pipe 5 through a telescopic hose 6, and it should be noted that the docking pipe 5 can be lengthened to dock with one end of the well screen layout pipe.
Referring to fig. 3, the external diameter of first hexagon section is less than the external diameter of first pivot 27, and the external diameter of second hexagon section is less than the external diameter of second pivot 37, guarantees that dust collecting net cover 23 can follow first hexagon section top outside and accomplish and break away from, guarantees that filter net cover 4 can follow the outside top of second hexagon section and accomplish and break away from the utility model provides a circuit and control are prior art, do not carry out too much repeated here.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a pump drainage ultralow concentration coal bed gas device which characterized in that includes:
the top parts of two ends of the U-shaped tank (1) are respectively arranged in an open manner, and the bottom of the U-shaped tank (1) is connected with a plurality of supporting rods (4);
the dust removal structure (2), the dust removal structure (2) is connected to the inside of one end of the U-shaped tank (1), the dust removal structure (2) comprises a first inner hexagonal tube (21), a dust collection net cover (23), a first cross rod (25), centrifugal fan blades (26), a first rotating shaft (27), a motor (28) and a first cover plate (29), the top of one end of the U-shaped tank (1) is in threaded connection with the first cover plate (29), the motor (28) is installed at the center of the top of the first cover plate (29), the output end of the motor (28) penetrates through the first cover plate (29) and is connected with the first inner hexagonal tube (21), the top of the first cover plate (29) deviates from the center and is in through connection with the L-shaped exhaust tube (7), the first cross rod (25) is installed at a position close to the bottom in one end of the U-shaped tank (1), the center of the inside of the first cross rod (25) is rotatably, the centrifugal fan blades (26) are connected to the outer side wall, close to the bottom end, of the first rotating shaft (27), the dust collecting net cover (23) is placed at the top of the first cross rod (25), the first through hole which is rotatably connected with the first rotating shaft (27) is formed in the dust collecting net cover (23), a first hexagonal section matched with the first inner hexagonal tube (21) is formed in the top end of the first rotating shaft (27), and the top end of the first rotating shaft (27) is inserted into the first inner hexagonal tube (21);
the filter structure (3) is connected to the inside of the other end of the U-shaped tank (1).
2. The device for pumping and discharging the ultra-low concentration coal bed gas according to claim 1, wherein the filtering structure (3) comprises a second cover plate (31), a filtering net cover (34), activated carbon (35) and a second cross rod (36), the top of the other end of the U-shaped tank (1) is in threaded connection with the second cover plate (31), the second cross rod (36) is installed at a position, close to the bottom, of the other end of the U-shaped tank (1), the filtering net cover (34) is placed at the top of the second cross rod (36), the activated carbon (35) is placed inside the filtering net cover (34), and the top of the second cover plate (31) deviates from the circle center and is communicated with the L-shaped exhaust pipe (8) in a penetrating mode.
3. The device for pumping and discharging the ultra-low concentration coal bed methane according to claim 2, wherein the center of the second cross rod (36) is rotatably connected with a second rotating shaft (37) which is vertically arranged, the bottom of the filter screen (34) is provided with a second through hole matched with the second rotating shaft (37), the bottom end of the second rotating shaft (37) is fixedly connected with a gear (39), the center of the bottom in the U-shaped tank (1) is rotatably connected with a vertically arranged transmission shaft (3a), the outer side wall of the transmission shaft (3a) is fixedly sleeved with a transmission gear (38), the bottom end of the first rotating shaft (27) is connected with a single-tooth gear (3b), the transmission gear (38) is respectively meshed with the single-tooth gear (3b) and the gear (39), the center of the bottom of the second cover plate (31) is rotatably connected with a second inner hexagonal pipe (32), the top end of the first rotating shaft (27) is provided with a second hexagonal section matched with the second inner hexagonal pipe (, the top end of the first rotating shaft (27) is inserted into the bottom end of the second inner hexagonal tube (32), the bottom end of the second inner hexagonal tube (32) is inserted into the filter screen cover (34), and the outer side wall of the bottom end of the second inner hexagonal tube (32) is fixedly connected with a plurality of stirring blades (33) which are uniformly arranged.
4. The device for pumping and discharging the ultra-low concentration coal bed gas according to claim 1, wherein the dust collecting net cover (23) is connected with an integrally formed conical net cylinder (22) at the center of the inner bottom.
5. The device for pumping and draining the ultra-low concentration coal bed gas according to claim 1, wherein the outer side surfaces of two ends of the U-shaped tank (1) are respectively in threaded connection with a pressing bolt (24).
6. The device for pumping and draining the ultra-low concentration coal bed gas according to the claim 1, wherein the other end of the L-shaped suction pipe (7) is communicated with the butt joint pipe (5) through a telescopic hose (6).
7. An ultra-low concentration coal bed methane pumping device according to claim 3, wherein the first hexagonal section has an outer diameter smaller than the outer diameter of the first rotating shaft (27), and the second hexagonal section has an outer diameter smaller than the outer diameter of the second rotating shaft (37).
CN202022056900.1U 2020-09-18 2020-09-18 Ultralow-concentration coal bed gas pumping and discharging device Expired - Fee Related CN213175708U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022056900.1U CN213175708U (en) 2020-09-18 2020-09-18 Ultralow-concentration coal bed gas pumping and discharging device

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Application Number Priority Date Filing Date Title
CN202022056900.1U CN213175708U (en) 2020-09-18 2020-09-18 Ultralow-concentration coal bed gas pumping and discharging device

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Publication Number Publication Date
CN213175708U true CN213175708U (en) 2021-05-11

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115487617A (en) * 2022-09-19 2022-12-20 贵州天赐贵宝食品有限公司 Aseptic dust-free workshop sterilization machine based on roxburgh rose production

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115487617A (en) * 2022-09-19 2022-12-20 贵州天赐贵宝食品有限公司 Aseptic dust-free workshop sterilization machine based on roxburgh rose production

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20210511

Termination date: 20210918