CN112410088B - Gas-liquid separation device for coal mine gas power generation - Google Patents
Gas-liquid separation device for coal mine gas power generation Download PDFInfo
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- CN112410088B CN112410088B CN202011294876.3A CN202011294876A CN112410088B CN 112410088 B CN112410088 B CN 112410088B CN 202011294876 A CN202011294876 A CN 202011294876A CN 112410088 B CN112410088 B CN 112410088B
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- 238000000926 separation method Methods 0.000 title claims abstract description 110
- 239000007788 liquid Substances 0.000 title claims abstract description 84
- 238000010248 power generation Methods 0.000 title claims abstract description 26
- 239000003245 coal Substances 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 71
- 230000007246 mechanism Effects 0.000 claims abstract description 70
- 238000001914 filtration Methods 0.000 claims description 30
- 230000000149 penetrating effect Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000008188 pellet Substances 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 238000002788 crimping Methods 0.000 claims description 5
- 239000010985 leather Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 239000000945 filler Substances 0.000 description 7
- 238000007599 discharging Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
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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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- Oil, Petroleum & Natural Gas (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention provides a gas-liquid separation device for coal mine gas power generation, wherein a separation bin is in an oval shape, core-changing mechanisms are rotatably arranged in the separation bin, each group of core-changing mechanisms comprises a sealing plug, a plug telescopic hose and a supporting plate which are sequentially connected, a second elastic part is arranged between the sealing plug and the supporting plate, a third elastic part is arranged between the supporting plate and the core block, a guide shaft is arranged between the sealing plug and the core block to ensure that the sealing plug can slide back and forth relative to the core block, the telescopic hose is communicated with the supporting plate and the sealing plug, air inlet channels are arranged on two sides of the oval major axis direction of the separation bin, a core-changing channel is arranged in the minor axis direction, each group of sealing plugs can be tightly sealed in the air inlet channels and the core-changing channels by utilizing the elasticity of the second elastic part and the third elastic part, and simultaneously, the core-changing mechanisms can rotate and change cores in the inner wall of the oval separation bin by utilizing the compressibility of the second elastic part and the third elastic part, in the core replacing process, the gas-liquid separation device does not need to be stopped, and the working efficiency of the gas-liquid separation device is improved.
Description
Technical Field
The invention relates to the field of gas processing, in particular to a gas-liquid separation device for coal mine gas power generation.
Background
Gas produced from underground mining generally contains a large amount of water vapor, which easily corrodes pipelines and equipment, and needs to be dehydrated.
At present, gas-liquid separation technologies of gas and water gas include gravity separation, centrifugal separation, filler adsorption and the like, wherein the filler adsorption effect is obvious, but after the filler (filter element) is used for a period of time, the filler (filter element) is fully adsorbed with water gas, and if the filler (filter element) is not replaced, the gas-liquid separation efficiency is greatly reduced.
In the existing gas-liquid separation equipment, the filler needs to be replaced by cutting off the input of gas firstly and replacing the filler under the shutdown state, so that the efficiency of the gas-liquid separation equipment is greatly reduced.
Disclosure of Invention
The invention aims to overcome the defects of the background technology and provide a gas-liquid separation device for gas power generation, aiming at carrying out filter element replacement operation under the condition that the device does not shut down.
The embodiment of the invention is realized by the following technical scheme:
a gas-liquid separation device for coal mine gas power generation is characterized by comprising a filter bin and a core-changing mechanism which is rotatably arranged in the filter bin;
the side wall of the filter bin is provided with a second air outlet, two groups of air inlet channels and two groups of core replacing channels, the cross section profile of the filter bin on the axis perpendicular to the filter bin is elliptical, the major axis of the ellipse is collinear with the axes of the two groups of air inlet channels, and the minor axis of the ellipse is collinear with the axes of the two groups of core replacing channels;
the core changing mechanism comprises a core block and four groups of sealing plugs uniformly arranged around the core block, the core block and each group of sealing plugs are connected through a guide shaft, and the sealing plugs are slidably arranged on the guide shaft in a penetrating manner; the tail end of each group of sealing plugs is connected with a group of supporting plates through a flexible hose, and two ends of an inner cavity of the flexible hose respectively penetrate through the sealing plugs and the supporting plates;
a second elastic part is arranged between the supporting plate and the sealing plug and used for driving the supporting plate and the sealing plug to be away from each other; a third elastic part is arranged between the supporting plate and the core block and is used for driving the supporting plate to be far away from the core block; a filter element is arranged in each group of flexible hoses, and the head end of each group of sealing plugs is provided with an arc-shaped part matched with the air inlet channel and the core replacing channel;
when each group of air inlet channels and each group of core changing channels are respectively clamped into a group of sealing plugs, a gap is reserved between the two groups of supporting plates positioned in the long axis direction and the core block under the elastic action of the third elastic piece, so that the air inlet channels are communicated with the gap through the telescopic hoses; two groups of sealing plugs positioned in the minor axis direction of the ellipse are respectively clamped in a group of air inlet channels, and two groups of supporting plates positioned in the minor axis direction are pressed on the side wall of the core block.
In some preferred embodiments, the side wall of the core block is provided with an annular groove, the surface of the supporting plate is provided with a sealing ring around the inner cavity of the flexible hose, and when the supporting plate is pressed on the side wall of the core block, the sealing ring is pressed in the annular groove.
In some preferred embodiments, a sealing ring is disposed on a side wall of the core block, a ring groove is disposed on a plate surface of the supporting plate around an inner cavity of the flexible hose, and when the supporting plate is pressed against the side wall of the core block, the sealing ring is pressed against the ring groove.
In some preferred embodiments, the guide shaft is disposed on the supporting plate, and the second elastic member and the third elastic member are both springs sleeved on the guide shaft.
In some preferred embodiments, the core-changing mechanism is connected with a power mechanism for driving the core-changing mechanism to rotate.
In some preferred embodiments, the power mechanism comprises an air cylinder arranged outside the filtering bin, and the tail end of an air pressure rod of the air cylinder penetrates into the filtering bin;
the core block is provided with a fluted disc, the tail end of the air pressure rod is provided with a rack meshed with the fluted disc, and the air pressure rod and the side wall of the filter bin are sealed through a leather cup.
In some preferred embodiments, the gas-liquid separation device for coal mine gas power generation further comprises a separation mechanism, wherein a gas inlet and a first gas outlet for introducing gas and water are formed in the separation mechanism, and the gas outlet of the separation mechanism is communicated with the two groups of gas inlet channels.
In some preferred embodiments, the coal mine gas power generation gas-liquid separation device further comprises a frame, and the separation mechanism is arranged on the frame;
the separation mechanism comprises a first separation bin and a second separation bin, a first liquid discharge port is formed in the lower end of the first separation bin, the first liquid discharge port is communicated with the upper end of the second separation bin, and a second liquid discharge port is formed in the lower end of the second separation bin;
the separating mechanism also comprises a vertical shaft which is arranged on the first liquid discharging port and the second liquid discharging port in a penetrating way, a first plug head is arranged above the first liquid discharging port, a second plug head is arranged below the second liquid discharging port, and the first plug head and the second plug head are both arranged on the vertical shaft;
the air cylinder is arranged on the frame, an air pressure rod of the air cylinder is transversely arranged, a convex strip is arranged on the side wall of the air pressure rod along the length direction, and two ends of the convex strip are smoothly connected with the outer wall of the air pressure rod through inclined planes;
the upper end of the vertical shaft abuts against the air pressure rod, when the air pressure rod moves transversely to enable the vertical shaft to move downwards to abut against the convex strip, the first plug head is sealed on the first liquid discharge port, and the second plug head is separated from the second liquid discharge port;
and a first elastic piece is arranged between the air pressure rod and the first separation bin, when the raised lines cross the upper end of the vertical shaft, the first elastic piece drives the vertical shaft to move upwards to abut against the air pressure rod, the first plug head is separated from the first liquid discharge port, and the second plug head is sealed on the second liquid discharge port.
In some preferred embodiments, the gas-liquid separation device for coal mine gas power generation further comprises two groups of elastic air bags arranged on the frame, each group of elastic air bags is provided with a one-way air inlet valve, each group of elastic air bags is communicated with the second separation bin, and a one-way exhaust valve is arranged between the elastic air bags and the second separation bin for preventing gas in the second separation bin from entering the elastic air bags;
the machine frame is connected with a linkage rod in a sliding way, the linkage rod is connected with a pneumatic rod, the two groups of elastic air bags are arranged at two ends of the linkage rod, and two ends of the linkage rod are respectively abutted against the group of elastic air bags;
when the pneumatic rod drives the linkage rod to move transversely, one group of elastic air bags are compressed to exhaust air into the second separation bin, and the other group of air bags are reset to suck air.
In some preferred embodiments, a stopper is disposed at an upper end of the first separation chamber, a force-receiving member is disposed on the vertical shaft, and when the vertical shaft abuts against the air pressure rod, an upper end of the force-receiving member abuts against the stopper.
The technical scheme of the embodiment of the invention at least has the following advantages and beneficial effects:
in the gas-liquid separation device for coal mine gas power generation, the separation bin is in an oval shape, core-changing mechanisms are rotatably arranged in the separation bin, each group of core-changing mechanisms comprises a sealing plug, a plug telescopic hose and a supporting plate which are sequentially connected, a second elastic part is arranged between the sealing plug and the supporting plate, a third elastic part is arranged between the supporting plate and the core block, a guide shaft is arranged between the sealing plug and the core block to ensure that the sealing plug can slide back and forth relative to the core block, the telescopic hose is communicated with the supporting plate and the sealing plug, air inlet channels are arranged on two sides of the oval major axis direction of the separation bin, a core-changing channel is arranged in the minor axis direction, each group of sealing plugs can be tightly sealed in the air inlet channels and the core-changing channels by utilizing the elasticity of the second elastic part and the third elastic part, and simultaneously, the core-changing mechanisms can rotate and change cores in the inner wall of the oval separation bin by utilizing the compressibility of the second elastic part and the third elastic part, in the core replacing process, the shutdown of the separating device is not needed, and the working efficiency of the gas-liquid separating device is improved.
Drawings
FIG. 1 is a schematic structural view of a gas-liquid separator for gas power generation according to the present invention;
FIG. 2 is a perspective view of a filter mechanism of the gas-liquid separation device for gas power generation of the present invention
FIG. 3 is a perspective view of a filter mechanism of the gas-liquid separation device for gas power generation of the present invention
FIG. 4 is a perspective view of a filter mechanism of the gas-liquid separation device for gas power generation according to the present invention
Icon: 1-a separating mechanism, 1 a-a first separating bin, 1 b-a second separating bin, 1 c-a first liquid discharge port, 1 d-a second liquid discharge port, 1 e-a third liquid discharge port, 1 f-a vertical shaft, 1 g-a first plug, 1 h-a second plug, 1 i-an air inlet, 1 j-a first air outlet, 1 k-a stress element, 1 l-a first elastic element, 1 m-a limiting element, 2-a power mechanism, 2 a-an air cylinder, 2 b-a horizontal shaft, 2 c-a convex strip, 2 d-a linkage rod, 2 e-a pressing plate, 2 f-an elastic air bag, 2 g-a one-way air inlet valve, 2 h-an air outlet pipe, 2 i-a one-way air outlet valve, 3-a frame, 3 a-a guiding cylinder and 4-a filtering mechanism, 4 a-a filtering bin, 4 b-an air inlet channel, 4 c-a core replacing channel, 4 d-a sealing cover, 4 e-a second air inlet, 4 f-a power channel, 4 g-a second air outlet, 5-a core replacing mechanism, 5 a-a fluted disc, 5 b-a rack, 5 c-a core block, 5 d-a sealing plug, 5 e-a bottom plate, 5 f-a second elastic piece, 5 g-a supporting plate, 5 h-a third elastic piece, 5 i-a guide shaft, 5 j-a core filtering cavity, 5 k-a sealing ring, 5 l-a ring groove, 5 m-a gap, 5 n-a flexible hose, an a-a short shaft and a long shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of this application is used, the description is merely for convenience and simplicity of description, and it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. 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 4, the present embodiment provides a gas-liquid separation device for coal mine gas power generation, including a separation mechanism 1, a power mechanism 2, a frame 3 and a filtering mechanism 4, wherein the separation mechanism 1, the power mechanism 2 and the filtering mechanism 4 are all mounted on the frame 3.
Referring to fig. 2 to 4, the filtering mechanism 4 comprises a filtering bin 4a and a core-changing mechanism 5 which is rotatably arranged in the filtering bin 4 a; the lateral wall of the filtering bin 4a is provided with a second air outlet 4g for discharging filtered gas, and in the embodiment, the second air outlet 4g can also be arranged at the top of the filtering bin 4 a.
The side wall of the filtering bin 4a is provided with two groups of air inlet channels 4b and two groups of core replacing channels 4c, referring to fig. 2, the cross section outline of the filtering bin 4a on the axis perpendicular to the filtering bin 4a is in an elliptical shape, the major axis b of the ellipse is collinear with the axes of the two groups of air inlet channels 4b, the minor axis a of the ellipse is collinear with the axes of the two groups of core replacing channels 4c, and the two groups of air inlet channels 4b and the two groups of core replacing channels 4c are holes formed in the filtering bin 4a and pipelines connected with the outer sides of the holes.
The core-changing mechanism 5 is arranged at the center of the circle of the filtering bin 4a, and the upper end and the lower end of the core-changing mechanism are respectively and rotatably connected with the top and the bottom of the filtering bin 4 a.
The core changing mechanism 5 comprises a square block-shaped core block 5c and four groups of sealing plugs 5d uniformly arranged around the core block 5c, the core block 5c and each group of sealing plugs 5d are connected through a guide shaft 5i, and the sealing plugs 5d are slidably arranged on the guide shafts 5i in a penetrating manner; the tail end of each group of sealing plugs 5d is connected with a group of supporting plates 5g through a flexible hose 5n, and two ends of the inner cavity of the flexible hose 5n respectively penetrate through the sealing plugs 5d and the supporting plates 5 g; specifically, in this embodiment, four sealing plugs 5d are used for sealing the two sets of air inlet channels 4b and the two sets of core replacing channels 4c, the sealing plug 5d is a rubber plug, the head end of the rubber plug is spherical and is larger than the inner diameters of the two sets of air inlet channels 4b and the two sets of core replacing channels 4, the radian of the spherical surface is matched with the inner diameters of the two sets of air inlet channels 4b and the two sets of core replacing channels 4c, and the sealing plug 5d has elasticity and is convenient to block; the tail end of the sealing plug 5d is connected with the head end of the telescopic hose 5n, the tail end of the telescopic hose 5n is connected with the supporting plate 5g, two ends of the telescopic hose 5n penetrate through the sealing plug 5d and the supporting plate 5g, when the outer side wall of the sealing plug 5d seals the two sets of air inlet channels 4b and the two sets of core replacing channels 4c, the outside of the filter bin 4a is communicated with the telescopic hose 5n through the inside of the sealing plug 5 d.
A second elastic part 5f is arranged between the supporting plate 5g and the sealing plug 5d, and the second elastic part 5f is used for driving the supporting plate 5g and the sealing plug 5d to be away from each other; be equipped with third elastic component 5h between backup pad 5g and the pellet 5c, third elastic component 5h is used for driving backup pad 5g and keeps away from pellet 5c, 4 groups that third elastic component 5h evenly arranged for the axis that encircles bellows 5n soak and mould the spring, form a set of filter core chamber 5j in every flexible hose 5n, filter core chamber 5j embeds there is the filter core, the filter core is the cake form, can be active carbon or other adsorption material, its thickness is not more than 1/3 of flexible hose 5n length, make flexible hose 5n compress to when the shortest, the filter core can not withstand flexible hose 5n both ends.
In the embodiment, each group of sealing plugs 5d is connected with the core block 5c through four groups of guide shafts 5i, the four groups of guide shafts 5i are uniformly arranged around the telescopic hose 5n, the end face of the tail end of each sealing plug 5d is provided with a bottom plate 5e made of hard plastic, each group of guide shafts 5i penetrates through the bottom plate 5e to extend into the sealing plug 5d but does not penetrate through the sealing plug 5d, a distance is reserved between each guide shaft 5i and the bottom of a through hole in the sealing plug 5d, the second elastic piece 5f is sleeved on the guide shaft 5i in a penetrating way, the other end of each guide shaft 5i penetrates through the supporting plate 5g and then is fixed in the core block 5c in a penetrating way, the through hole in the core block 5c is in a step hole shape, the guide shaft 5i is tightly matched and connected with the small-diameter part of the step hole, and the third elastic piece 5h is sleeved on the guide shaft 5i in a penetrating way; when each group of air inlet channels 4b and each group of core changing channels 4c are respectively clamped into a group of sealing plugs 5d, a gap 5m is reserved between two groups of supporting plates 5g positioned in the direction of the long axis b and the core block 5c under the elastic action of a third elastic piece 5h, so that the air inlet channels 4b are communicated with the gap 5m through a flexible hose 5 n; two sets of sealing plugs 5d that are located oval minor axis a direction respectively joint in a set of inlet channel 4b, and be located two sets of fagging 5g crimping of minor axis a direction on the lateral wall of core piece 5c, third elastic component 5h is compressed and is blocked in the major diameter portion of step hole in core piece 5c completely this moment for trade core passageway 4c and be blocked up completely, trade threaded connection has sealed lid 4d on the outside continuous pipeline of core passageway 4c, unscrew sealed lid 4d and can take out the filter core and change.
In some preferred embodiments, the core block 5c is provided with a protrusion on the side wall thereof, the third elastic member 5h is arranged between the protrusion and the supporting plate 5g, and when the supporting plate 5g abuts against the end surface of the core block 5c, the third elastic member 5h does not block the abutting sealing effect of the supporting plate 5g against the core block 5c because it is not between the end surface of the core block 5c and the supporting plate 5 g.
In some preferred embodiments, in order to increase the sealing effect, the side wall of the core block 5c is provided with an annular groove 5l, the surface of the supporting plate 5g is provided with a sealing ring 5k around the inner cavity of the flexible hose 5n, and in the direction of the short axis a, when the supporting plate 5g is pressed on the side wall of the core block 5c, the sealing ring 5k is pressed in the annular groove 5l, so that the core changing channel 5j is sufficiently isolated from the inside of the filter bin 4 a; it is easily conceivable that, as another preferred implementation, the side wall of the core block 5c is provided with a sealing ring 5k, the plate surface of the supporting plate 5g is provided with a ring groove 5l surrounding the inner cavity of the flexible tube 5n, and when the supporting plate 5g is pressed against the side wall of the core block 5c, the sealing ring 5k is pressed against the ring groove 5 l.
The second elastic member 5f, the third elastic member 5h, the guide shaft 5i and the core block 5c may be subjected to a surface dip coating process to reduce corrosion by moisture, and the guide shaft 5i and the core block 5c may be made of rubber.
The rotatory accessible manpower of trading core mechanism 5, the pivot of trading the upper end of core mechanism 5 promptly extends outside filtering storehouse 4a, it is rotatory through the stress application pole, when needing to change the filter core, only need to make to trade core mechanism 5 rotatory 90 degrees, the filter core that treats to change on the major axis b direction can rotate to minor axis a direction promptly and change, filter core in the flexible hose 5n on the minor axis a direction can switch on inlet channel 4b in order to carry out work, in-process, need not to shut down, utilize the nature of filtering the oval inner wall of storehouse 4a and second elastic component 5f, the elasticity of third elastic component 5h, realize inlet channel 4b and trade core channel 4c and external environment's isolation, avoid gas leakage.
Referring to fig. 1 to 2, in this embodiment, the core-changing mechanism 5 is connected to a power mechanism 2 for driving the core-changing mechanism 5 to rotate, the power mechanism 2 includes a cylinder 2a disposed outside the filtering bin 4a, a tail end of a pneumatic rod of the cylinder 2a is inserted into the filtering bin 4a, a fluted disc 5a with incomplete teeth is disposed at an upper end of the core block 5c, a rack 5b engaged with the fluted disc 5a is disposed at the tail end of the pneumatic rod, a power channel 4f is disposed on an outer wall of the filtering bin 4a, the pneumatic rod penetrates through the power channel 4f, the pneumatic rod and the power channel 4f on a side wall of the filtering bin 4a are sealed by a leather cup, so that the cylinder 2a drives the fluted disc 5a to swing back and forth at positive and negative 90 degrees, thereby achieving core changing, and the rack 5b and the fluted disc 5a are made of hard plastics.
In some preferred embodiments, the gas-liquid separation device for coal mine gas power generation further comprises a separation mechanism 1, wherein the separation mechanism 1 is provided with a gas inlet 1i and a first gas outlet 1j for introducing gas water vapor, the gas outlet of the separation mechanism 1 is communicated with the two groups of gas inlet channels 4b, and the separation mechanism can be a gravity separation mechanism or a centrifugal separation mechanism, so that two times of separation of gas liquid and gas are realized, and the separation effect is improved.
In some preferred embodiments, the separation mechanism 1 is a vertical gas-liquid separator disclosed in the invention patent with publication No. CN105920923B, the separation mechanism 1 includes a first separation chamber 1a and a second separation chamber 1b, a first liquid discharge port 1c is provided at a lower end of the first separation chamber 1a, the first liquid discharge port 1c is communicated with an upper end of the second separation chamber 1b, a second liquid discharge port 1d is provided at a lower end of the second separation chamber 1b, the separation mechanism 1 further includes a vertical shaft 1f penetrating the first liquid discharge port 1c and the second liquid discharge port 1d, a first plug 1g is provided above the first liquid discharge port 1c, a second plug 1h is provided below the second liquid discharge port 1d, and the first plug 1g and the second plug 1h are both provided on the vertical shaft 1 f.
A reset mechanism is arranged above the first separation bin 1a, the reset mechanism comprises a limiting part 1m arranged at the top of the first separation bin 1a and a stressed part 1k arranged on a vertical shaft 1f, and a first elastic part 1l, such as a spring, is arranged between the stressed part 1k and the top of the first separation bin 1 a; in the process, the mined gas enters from the gas inlet 1i, enters the filtering mechanism 4 from the first gas outlet 1j and the second gas inlet 4e through gravity settling separation, the first elastic piece 1l drives the vertical shaft 1f to move upwards, the first liquid discharge port 1c is separated from the first plug head 1g, the second liquid discharge port 1d is sealed by the second plug head 1g, and the liquid in the first separation bin 1a flows into the second separation bin 1b from the first liquid discharge port 1 c.
Referring to fig. 1, the air pressure rod of the air cylinder 2a is transversely arranged, a convex strip 2c is arranged on the side wall of the air pressure rod along the length direction, two ends of the convex strip 2c are smoothly connected with the outer wall of the air pressure rod through inclined planes, and the upper end of the vertical shaft 1f abuts against the air pressure rod.
When the filter element is replaced, the air pressure rod transversely moves towards the right side to enable the vertical shaft 1f to move downwards to abut against the raised strips 2c, at the moment, the first plug head 1g is sealed on the first liquid discharge port 1c to achieve isolation of the first separation bin 1a and the second separation bin 1b, the second plug head 1h is separated from the second liquid discharge port 1d, water liquid in the second separation bin 1b is discharged from a third liquid discharge port 1e below, the duration time of the process is set to be about 1-2 seconds, and 90-degree rotation core replacement of the core replacing mechanism 5 is facilitated.
Referring to the state of fig. 1, when the convex strip 2c moves rightwards to cross the upper end of the vertical shaft 1f, the first elastic element 1l drives the vertical shaft 1f to move upwards to abut against the pneumatic rod, the first plug head 1g is separated from the first liquid discharge port 1c again, the second plug head 1h is sealed on the second liquid discharge port 1d again, the lower end of the limiting element 1m abuts against the stressed element 1k, and the contact surface can be provided with rubber as a buffer to prevent the vertical shaft 1f from moving upwards further.
In some preferred embodiments, the second separation bin 1b is communicated with the liquid discharge bin, the third liquid discharge port 1e is arranged at the bottom of the liquid discharge bin, partial gas water vapor enters the second separation bin 1b, air can be introduced into the second separation bin 1b to destroy the gas water vapor in the second separation bin 1b, the gravity of the separated liquid is greater than the resistance, the liquid is discharged under the action of gravity, the air inlet is arranged on the side walls of two sides of the second separation bin 1b and is introduced with air, the air pressure generated by the air can accelerate the discharge speed of the liquid, and the liquid is not easy to block.
The coal mine gas power generation gas-liquid separation device further comprises two groups of elastic air bags 2f arranged on the rack 3, springs are arranged in the two groups of elastic air bags 2f to facilitate reset after compression, a one-way air inlet valve 2g is arranged on each group of elastic air bags 2f, each group of elastic air bags 2f is communicated with an air inlet of the second separation bin 1b through an exhaust pipe 2h, and a one-way exhaust valve 2i is further arranged in the exhaust pipe 2h between each group of elastic air bags 2f and the second separation bin 1b to prevent gas in the second separation bin 1b from entering the elastic air bags 2 f; the air bag type air bag compressor is characterized in that a linkage rod 2d is connected to the rack 3 in a sliding mode, a guide cylinder 3a and the linkage rod 2d are arranged on the rack 3 in a sliding fit mode for guiding, the linkage rod 2d is connected with an air pressure rod, the two groups of elastic air bags 2f are arranged at two ends of the linkage rod 2d, a group of pressing plates 2e are arranged at two ends of the linkage rod 2d respectively and abut against the group of elastic air bags 2f, and when one group of elastic air bags 2f are in a compressed state, the other group of elastic air bags 2f are in a natural state.
When the air pressure rod moves rightwards to drive the core changing mechanism 5 to change cores, the convex strips 2c contact the upper end of the vertical 1f, the first plug head 1g is sealed, the linkage rod 2d is driven to move rightwards at the moment, the elastic air bags 2f on the right side are compressed to exhaust air into the second separation bin 1b, the other group of elastic air bags 2f on the left side are reset to suck air, and air in the elastic air bags 2f on the right side enters the second separation bin 1b through the exhaust pipe 2h, so that liquid is discharged quickly.
When the next filter element is replaced, the air pressure rod moves leftwards, the raised strips 2c extrude the vertical shaft 1f again, the left elastic air bag 2f is compressed, the right elastic air bag 2f is reset, and liquid in the separating mechanism 1 can be discharged conveniently while the core replacing action is realized through the reciprocating motion of the air pressure rod.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The coal mine gas power generation gas-liquid separation device is characterized by comprising a filter bin (4a) and a core-changing mechanism (5) which is rotatably arranged in the filter bin (4 a);
a second air outlet (4g), two groups of air inlet channels (4b) and two groups of core changing channels (4c) are arranged on the side wall of the filtering bin (4a), the cross section profile of the filtering bin (4a) on the axis vertical to the filtering bin is elliptical, the major axis (b) of the ellipse is collinear with the axes of the two groups of air inlet channels (4b), and the minor axis (a) of the ellipse is collinear with the axes of the two groups of core changing channels (4 c);
the core-changing mechanism (5) comprises a core block (5c) and four groups of sealing plugs (5d) which are uniformly arranged around the core block (5c), the core block (5c) and each group of sealing plugs (5d) are connected through a guide shaft (5i), and the sealing plugs (5d) are slidably arranged on the guide shaft (5i) in a penetrating manner; the tail end of each group of sealing plugs (5d) is connected with a group of supporting plates (5g) through a flexible hose (5n), and two ends of the inner cavity of the flexible hose (5n) respectively penetrate through the sealing plugs (5d) and the supporting plates (5 g);
a second elastic part (5f) is arranged between the supporting plate (5g) and the sealing plug (5d), and the second elastic part (5f) is used for driving the supporting plate (5g) and the sealing plug (5d) to be away from each other; a third elastic part (5h) is arranged between the supporting plate (5g) and the core block (5c), and the third elastic part (5h) is used for driving the supporting plate (5g) to be far away from the core block (5 c); a filter element is arranged in each group of telescopic hoses (5n), and the head end of each group of sealing plugs (5d) is provided with an arc-shaped part matched with the air inlet channel (4b) and the core changing channel (4 c);
when each group of air inlet channels (4b) and each group of core changing channels (4c) are respectively clamped into a group of sealing plugs (5d), a gap (5m) is reserved between two groups of supporting plates (5g) positioned in the direction of the long axis (b) and the core block (5c) under the elastic action of a third elastic piece (5h), so that the air inlet channels (4b) are communicated with the gap (5m) through a flexible hose (5 n); two groups of sealing plugs (5d) positioned in the direction of the minor axis (a) of the ellipse are respectively clamped in a group of air inlet channels (4b), and two groups of supporting plates (5g) positioned in the direction of the minor axis (a) are pressed on the side wall of the core block (5 c);
the core replacing mechanism (5) is connected with a power mechanism (2) and used for driving the core replacing mechanism (5) to rotate;
the power mechanism (2) comprises an air cylinder (2a) arranged outside the filtering bin (4a), and the tail end of an air pressure rod of the air cylinder (2a) penetrates through the filtering bin (4 a);
a fluted disc (5a) is arranged on the core block (5c), a rack (5b) meshed with the fluted disc (5a) is arranged at the tail end of the air pressure rod, and the air pressure rod and the side wall of the filter bin (4a) are sealed through a leather cup;
the coal mine gas power generation gas-liquid separation device further comprises a separation mechanism (1), wherein a gas inlet (1i) and a first gas outlet (1j) for introducing gas water gas are formed in the separation mechanism (1), and the gas outlet of the separation mechanism (1) is communicated with the two groups of gas inlet channels (4 b);
the coal mine gas power generation gas-liquid separation device further comprises a rack (3), and the separation mechanism (1) is arranged on the rack (3);
the separation mechanism (1) comprises a first separation bin (1a) and a second separation bin (1b), a first liquid discharge port (1c) is formed in the lower end of the first separation bin (1a), the first liquid discharge port (1c) is communicated with the upper end of the second separation bin (1b), and a second liquid discharge port (1d) is formed in the lower end of the second separation bin (1 b);
the separating mechanism (1) further comprises a vertical shaft (1f) penetrating through the first liquid discharge port (1c) and the second liquid discharge port (1d), a first plug head (1g) is arranged above the first liquid discharge port (1c), a second plug head (1h) is arranged below the second liquid discharge port (1d), and the first plug head (1g) and the second plug head (1h) are both arranged on the vertical shaft (1 f);
the air cylinder (2a) is arranged on the rack (3), an air pressure rod of the air cylinder (2a) is transversely arranged, a convex strip (2c) is arranged on the side wall of the air pressure rod along the length direction, and two ends of the convex strip (2c) are smoothly connected with the outer wall of the air pressure rod through inclined planes;
the upper end of the vertical shaft (1f) abuts against the air pressure rod, when the air pressure rod moves transversely to enable the vertical shaft (1f) to move downwards to abut against the convex strip (2c), the first plug head (1g) is sealed on the first liquid discharge port (1c), and the second plug head (1h) is separated from the second liquid discharge port (1 d);
still be equipped with first elastic component (1l) between the pneumatic stem with first separation storehouse (1a), when sand grip (2c) cross vertical axis (1f) upper end, first elastic component (1l) orders about vertical axis (1f) move up the butt in on the pneumatic stem, first chock plug (1g) breaks away from on first drain port (1c), second chock plug (1h) seal in on second drain port (1 d).
2. The gas-liquid separation device for coal mine gas power generation according to claim 1, characterized in that: be equipped with annular (5l) on the lateral wall of pellet (5c), encircle on the face of fagging (5g) the inner chamber of bellows (5n) is provided with sealing ring (5k), when fagging (5g) crimping in when on the lateral wall of pellet (5c), sealing ring (5k) crimping in annular (5 l).
3. The gas-liquid separation device for coal mine gas power generation according to claim 1, characterized in that: be equipped with sealing ring (5k) on the lateral wall of pellet (5c), encircle on the face of fagging (5g) the inner chamber of bellows (5n) has seted up annular (5l), when fagging (5g) crimping in when on the lateral wall of pellet (5c), sealing ring (5k) crimping in annular (5 l).
4. The gas-liquid separation device for coal mine gas power generation according to any one of claims 1 to 3, characterized in that: the guide shaft (5i) penetrates through the supporting plate (5g), and the second elastic piece (5f) and the third elastic piece (5h) are both springs sleeved on the guide shaft (5 i).
5. The gas-liquid separation device for coal mine gas power generation according to claim 1, characterized in that: the coal mine gas power generation gas-liquid separation device further comprises two groups of elastic air bags (2f) arranged on the rack (3), a one-way air inlet valve (2g) is arranged on each group of elastic air bags (2f), each group of elastic air bags (2f) is communicated with the second separation bin (1b), and a one-way exhaust valve (2i) is arranged between the elastic air bags (2f) and the second separation bin (1b) to prevent gas in the second separation bin from entering the elastic air bags (2 f);
the machine frame (3) is connected with a linkage rod (2d) in a sliding manner, the linkage rod (2d) is connected with a pneumatic rod, the two groups of elastic air bags (2f) are arranged at two ends of the linkage rod (2d), and two ends of the linkage rod (2d) are respectively abutted against the group of elastic air bags (2 f);
when the pneumatic rod drives the linkage rod (2d) to move transversely, one group of elastic air bags (2f) is compressed to exhaust air into the second separation bin (1b), and the other group of air bags is reset to suck air.
6. The gas-liquid separation device for coal mine gas power generation according to claim 1 or 5, characterized in that: the upper end of the first separation bin (1a) is provided with a limiting part (1m), the vertical shaft (1f) is provided with a stress part (1k), and when the vertical shaft (1f) abuts against the air pressure rod, the upper end of the stress part (1k) abuts against the limiting part (1 m).
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| DE2440848A1 (en) * | 1974-08-26 | 1976-03-18 | W Killer Ag Dr | Continuous separation of component mixtures - using rotating annular vessel with cells filled with adsorbent material |
| JPH05329320A (en) * | 1992-05-29 | 1993-12-14 | Mitsubishi Heavy Ind Ltd | Gas separation method and rotary gas separation device |
| JP5215706B2 (en) * | 2007-08-01 | 2013-06-19 | 三井造船株式会社 | Solid-gas two-phase material pushing device |
| CN201273380Y (en) * | 2008-09-11 | 2009-07-15 | 开维喜阀门集团有限公司 | Four-way reversing double-seal stop cock |
| CN201930659U (en) * | 2011-01-05 | 2011-08-17 | 上海科庆自动化设备有限公司 | Alternatively-used double air filters with three-position two-way plane capable of rotating and exchanging |
| CN102359658B (en) * | 2011-10-27 | 2013-01-16 | 浙江正球阀门有限公司 | Multifunctional double-drum filter valve |
| CN104713808B (en) * | 2013-12-13 | 2017-04-26 | 天津同阳科技发展有限公司 | Filter core automatic replacing device |
| CN105920923B (en) * | 2016-06-16 | 2019-12-06 | 深圳市德士康科技有限公司 | Vertical gas-liquid separator |
| CN108407262A (en) * | 2018-04-28 | 2018-08-17 | 青岛科技大学 | A kind of rotary quick net-changing device device |
| CN108501345A (en) * | 2018-05-04 | 2018-09-07 | 广东省智能制造研究所 | A kind of rotary core shaft does not shut down direct current net-changing device |
| CN108815908B (en) * | 2018-06-25 | 2020-10-09 | 安徽唯宝印刷科技有限公司 | Fast switching fountain solution filtering system |
| CN211799685U (en) * | 2019-10-31 | 2020-10-30 | 河钢股份有限公司承德分公司 | Coke oven gas purification system |
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Address after: 638600 room 4-1, Yutang Road, Huaying City, Guang'an City, Sichuan Province Patentee after: Sichuan Huayingshan coalbed methane power generation Co.,Ltd. Address before: Room 4-1, Yutang Road, Huaying City, Guang'an City, Sichuan Province 638699 Patentee before: Sichuan Huayingshan Guangneng Group Gas Power Generation Co.,Ltd. |