CN111704943B - Dewatering device is used in natural gas processing - Google Patents
Dewatering device is used in natural gas processing Download PDFInfo
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- CN111704943B CN111704943B CN202010578263.6A CN202010578263A CN111704943B CN 111704943 B CN111704943 B CN 111704943B CN 202010578263 A CN202010578263 A CN 202010578263A CN 111704943 B CN111704943 B CN 111704943B
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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
Abstract
The invention belongs to the technical field of natural gas processing, and particularly relates to a dehydration device for natural gas processing, which comprises a processing box, wherein a fixed pipe is fixed at the bottom between the inner walls of two ends of the processing box, the middle position of the circumferential outer wall of the fixed pipe is rotatably connected with an accommodating part of an annular structure through a bearing, the outer wall of the accommodating part is in transmission connection with a driving mechanism, an accommodating cavity of the annular structure is formed in the accommodating part, through holes distributed in an annular array manner are formed in the circumferential inner wall, close to the fixed pipe, of the accommodating cavity, and a partition plate is fixed at the middle position between the inner walls of two ends of. According to the natural gas dehydration device, the airflow moves towards two sides, is introduced into the air outlet cavity from the air outlet pipe at the top of the containing cavity and is exhausted from the connecting hole and the exhaust pipe, so that the airflow entering the solvent is prevented from vertically and upwards flowing, meanwhile, the containing piece in the annular structure is slowly rotated, and part of the airflow at the top of the containing cavity is introduced into the solvent again to be contacted, so that the actual dehydration effect of the device on natural gas is improved.
Description
Technical Field
The invention relates to the technical field of natural gas processing, in particular to a dehydration device for natural gas processing.
Background
Natural gas refers to a combustible gas existing in nature, is a fossil fuel, includes gases formed by various natural processes in the air space, water space and rock space, and is a mixture of hydrocarbon and non-hydrocarbon gases naturally accumulated in the stratum from the viewpoint of energy.
At present, a treatment process for dehydrating natural gas generally comprises a low temperature method, a solvent absorption method and a solid adsorption method, which are selected to be treated respectively, wherein a glycol substance is generally adopted as an absorbent when the solvent absorption method is carried out, and a processing gas is introduced into the glycol solvent to separate water, but when the processing gas is actually and directly introduced to carry out continuous dehydration, a subsequent gas flow flows along the flow radial direction of a previous gas flow, so that the contact effect between the subsequent gas and the solvent is poor, and the actual dehydration effect is influenced.
Disclosure of Invention
Based on the technical problem of the background art, the invention provides a dehydration device for natural gas processing.
The invention provides a dehydration device for natural gas processing, which comprises a processing box, wherein a fixed pipe is fixed at the bottom between the inner walls of two ends of the processing box, a containing part with an annular structure is rotatably connected at the middle position of the outer wall of the circumference of the fixed pipe through a bearing, a driving mechanism is connected at the outer wall of the containing part in a transmission manner, a containing cavity with an annular structure is arranged inside the containing part, through holes distributed in an annular array manner are arranged on the inner wall of the circumference of the containing cavity, which is close to the fixed pipe, a partition plate is fixed at the middle position between the inner walls of two ends of the fixed pipe, an air inlet cavity and an air outlet cavity are formed in the fixed pipe through the partition plate and are respectively positioned at the bottom and the top of the partition plate, an air inlet pipe and an air outlet pipe which are matched with the through holes are respectively fixed at the middle positions of the bottom of the air inlet cavity and the, and the top of the treatment box is connected with an exhaust pipe.
Preferably, the intermediate position of handling bottom of the case inner wall is fixed with the supporting seat, and rotate between the circumference outer wall of containing part and the top of supporting seat and be connected, actuating mechanism sets up four ring-type distributions in the backing roll of containing part outer wall, the both ends of backing roll respectively with handle and rotate between the both ends inner wall of case and be connected, the one end transmission of backing roll is connected with driving motor, the position that the backing roll outer wall corresponds with containing part circumference outer wall is fixed with the drive ring, the outer wall of drive ring and the outer wall meshing of containing part.
Preferably, the inner wall of the containing part is fixed with guide plates distributed in an annular array, the cross sections of the guide plates are arranged into an uneven streamline structure, and the side wall of each guide plate is provided with a plurality of guide holes penetrating the guide plates.
Preferably, the middle position of the circumferential outer wall of the fixed pipe is provided with a diversion trench of an annular structure, and the width of the diversion trench is smaller than the outer diameters of the air inlet pipe and the air outlet pipe.
Preferably, set up the circulation chamber of intercommunication between the both sides of processing case and the one end inside, and the top and the bottom in circulation chamber are connected with inlet tube and outlet pipe respectively, and the bottom mounting of processing case has the drain pipe, and the top of processing incasement wall is fixed with adsorbs the otter board.
Preferably, a maintenance door arranged in a sealing manner is fixed at one end of the treatment box, cover plates arranged in a sealing manner can be detachably connected to two ends of the accommodating part, and a plurality of connecting leaves and auxiliary leaves are respectively fixed on the outer walls of the ends, far away from the accommodating part, of the two cover plates.
Preferably, the middle position of the connecting blade is set to be a first protruding part which is arched in an arc shape towards one side far away from the fixed pipe, the two sides of the connecting blade are both set to be a first concave part which is arched in an arc shape towards one side close to the fixed pipe, the middle position of the auxiliary blade is set to be a second concave part which is arched in an arc shape towards one side close to the fixed pipe, the two sides of the auxiliary blade are set to be a second protruding part which is arched in an arc shape towards one side far away from the fixed pipe, and the connecting blade and the auxiliary blade are distributed at intervals.
Preferably, a plurality of adsorption screen plates are fixed at the top between the inner walls of the two ends of the treatment box, two rows of the adsorption screen plates are arranged, gaps are formed between every two adjacent adsorption screen plates, the adsorption screen plates at the bottom and the top are respectively arranged into a flow guide screen plate and a shielding screen plate, the flow guide screen plate and the shielding screen plate are arranged in interval distribution, the flow guide screen plate and the shielding screen plate are respectively arranged into arc structures which are arched downwards and upwards, and the width of each gap is smaller than the width of each adsorption screen plate.
Preferably, the supporting roller is arranged to be a tubular structure with openings at two ends, one end of the circumferential outer wall of the supporting roller is in transmission connection with the driving motor, cooling water circulates between the openings at two ends of the supporting pipe through a water pipe, the outer wall of the supporting roller is provided with auxiliary grooves distributed in an annular array mode, and the inner wall of each auxiliary groove is arranged to be an arc-shaped structure.
Compared with the prior art, the invention provides a dehydration device for natural gas processing, which has the following beneficial effects:
1. this dewatering device is used in natural gas processing, make the natural gas pour into to be located the solvent of accomodating the chamber bottom from the intake pipe of bottom and carry out the dehydration operation, the air current removes to both sides and introduces to giving vent to anger the intracavity and discharge from connecting hole and blast pipe from the outlet duct of accomodating the chamber top, and avoid getting into the vertical upwards flow of air current of solvent, with improvement contact dehydration effect, and slowly rotate the storage piece of loop configuration simultaneously in the use, the solvent stops in the bottom because self gravity all the time, and the air current cavity of accomodating the intracavity can rotate, increase the collision effect of solvent and air current, and can contact in leading the solvent once more with the partial air current of accomodating the chamber top, thereby guarantee the contact dehydration effect to gas, with the actual dehydration effect to the natural gas of improvement device.
2. The natural gas processing dehydration device performs solvent absorption dehydration through a solvent in a receiving piece, and simultaneously performs low-temperature treatment and adsorption treatment by utilizing cooling water circulating in a circulation cavity in a treatment box and an adsorption screen plate respectively, thereby fully playing the space in the treatment box to cooperate with dehydration operation, and enhancing the actual dehydration effect of the device.
3. This dewatering device for natural gas processing through only connecting leaf and auxiliary leaf are established respectively at the both ends of receiving member, utilizes the protruding and depressed part improvement of the arc that connecting leaf and auxiliary leaf interval distribute to derive the dispersion flow effect of air current from the connecting hole to the device is with the protruding part and the depressed part reverse setting of connecting leaf and auxiliary leaf, thereby improves the collision effect between the air current, and further strengthens circulation chamber circulation cooling water to the cooling effect of inside gas.
Drawings
Fig. 1 is a schematic overall sectional structural view of a dehydration device for natural gas processing according to the present invention;
FIG. 2 is a schematic structural view of a fixed pipe of a dehydration device for natural gas processing according to the present invention;
fig. 3 is a schematic structural view of a receiving member of a dehydration device for natural gas processing according to the present invention;
FIG. 4 is a schematic diagram of an adsorption screen plate structure of a dehydration device for natural gas processing according to the present invention;
fig. 5 is a schematic structural diagram of a supporting roller of the dehydration device for natural gas processing according to the present invention.
In the figure: 1 treatment box, 2 fixed pipe, 3 containing parts, 4 through holes, 5 clapboards, 6 air inlet cavities, 7 air outlet cavities, 8 air inlet pipes, 9 air outlet pipes, 10 air injection pipes, 11 connecting holes, 12 exhaust pipes, 13 supporting seats, 14 supporting rollers, 15 driving rings, 16 guide plates, 17 flow guide holes, 18 cover plates, 19 connecting blades, 20 auxiliary blades, 21 adsorption screen plates, 22 flow cavities, 23 water inlet pipes, 24 water outlet pipes, 25 water outlet pipes, 26 flow guide grooves and 27 auxiliary grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-5, a dehydration device for natural gas processing comprises a processing box 1, a fixed pipe 2 is fixed at the bottom between the inner walls of the two ends of the processing box 1, a containing part 3 with an annular structure is rotatably connected at the middle position of the circumferential outer wall of the fixed pipe 2 through a bearing, a driving mechanism is connected at the outer wall of the containing part 3 in a transmission way, a containing cavity with an annular structure is arranged in the containing part 3, through holes 4 distributed in an annular array are arranged on the circumferential inner wall of the containing cavity close to the fixed pipe 2, a partition plate 5 is fixed at the middle position between the inner walls of the two ends of the fixed pipe 2, an air inlet cavity 6 and an air outlet cavity 7 which are respectively arranged at the bottom and the top of the partition plate 5 are formed in the fixed pipe 2 through the partition plate 5, an air inlet pipe 8 and an air outlet pipe 9 which are matched with the through holes 4 are respectively fixed at the middle positions, a plurality of connecting holes 11 are formed in the top of the circumferential outer wall of the fixed pipe 2 at two ends of the accommodating part 3, and an exhaust pipe 12 is connected to the top of the treatment box 1;
the device injects the glycol solvent into the bottom of the containing part 3 before use, so that the top of the solvent in the containing cavity is positioned at the bottom of the fixed pipe 2, the natural gas to be dehydrated is injected into the air inlet cavity 6 of the fixed pipe 2 from the air injection pipe 10, the natural gas is injected into the solvent positioned at the bottom of the containing cavity from the air inlet pipe 8 at the bottom for dehydration operation, the air flow moves towards two sides and is introduced into the air outlet cavity 7 from the air outlet pipe 9 at the top of the containing cavity and is discharged from the connecting hole 11 and the exhaust pipe 12, the vertical upward flow of the air flow entering the solvent is avoided, so that the contact dehydration effect is improved, the containing part 3 with the annular structure is slowly rotated in the use process, the solvent stays at the bottom all the time due to the self gravity, the air flow cavity in the containing cavity can rotate, the collision effect of the solvent and the air flow at the top of the containing cavity can be, thereby guaranteeing the contact dehydration effect on the gas and improving the actual dehydration effect of the device on the natural gas.
In the invention, a supporting seat 13 is fixed at the middle position of the inner wall at the bottom of a treatment box 1, the circumferential outer wall of a containing part 3 is rotatably connected with the top of the supporting seat 13, a driving mechanism is provided with four supporting rollers 14 annularly distributed on the outer wall of the containing part 3, two ends of each supporting roller 14 are respectively rotatably connected with the inner walls at two ends of the treatment box 1, one end of each supporting roller 14 is in transmission connection with a driving motor, a driving ring 15 is fixed at the position, corresponding to the circumferential outer wall of the containing part 3, of the outer wall of each supporting roller 14, the outer wall of each driving ring 15 is meshed with the outer wall of the containing part 3, and the containing part 3 is limited by using the supporting seat 13 and the four supporting;
the inner wall of the containing part 3 is fixed with guide plates 16 distributed in an annular array, the cross sections of the guide plates 16 are arranged into an uneven streamline structure, the side wall of each guide plate 16 is provided with a plurality of guide holes 17 which are arranged in a penetrating way, the contact effect of the solvent and the gas is increased by utilizing the rotation of the guide plates 16 along with the containing part 3, part of the solvent can be sprayed by utilizing the uneven surface of the side wall of each guide plate 16, the contact effect of the solvent and the top gas is increased, and the dispersion effect of the solvent is increased by utilizing the guide holes 17 on the side wall of each guide plate 16;
the middle position of the circumferential outer wall of the fixed pipe 2 is provided with a guide groove 26 with an annular structure, the width of the guide groove 26 is smaller than the outer diameters of the air inlet pipe 8 and the air outlet pipe 9, the guide groove 26 is utilized to guide the solvent dropping to the position of the through hole 4 attached to the outer wall of the fixed pipe 2 down, and the solvent is prevented from entering the air outlet pipe 9 along with the rotation of the through hole 4, so that the actual use effect of the device is improved;
a communicated circulation cavity 22 is arranged between the two sides and the inside of one end of the treatment box 1, the top and the bottom of the circulation cavity 22 are respectively connected with a water inlet pipe 23 and a water outlet pipe 24, a drain pipe 25 is fixed at the bottom end of the treatment box 1, an adsorption screen plate 21 is fixed at the top of the inner wall of the treatment box 1, gas exhausted from a connecting hole 11 on the outer wall of a fixed pipe 2 is scattered into the treatment box 1 and led out from an exhaust pipe 12 at the top end, so that low-temperature treatment and adsorption treatment are respectively carried out by utilizing cooling water circulated in the circulation cavity 22 in the treatment box 1 and the adsorption screen plate 21, the space in the treatment box 1 is fully exerted to cooperate with dehydration operation, and the actual dehydration effect of;
a maintenance door which is arranged in a sealing mode is fixed at one end of the treatment box 1, two ends of the accommodating part 3 can be detachably connected with cover plates 18 which are arranged in a sealing mode, a plurality of connecting blades 19 and auxiliary blades 20 are fixed on the outer walls of the ends, far away from the accommodating part 3, of the two cover plates 18 respectively, and the connecting blades 19 and the auxiliary blades 20 on the side walls of the cover plates 18 rotate along with the accommodating part 3 to increase the movement dispersion effect of peripheral airflow in the treatment box 1 in the vertical direction of the accommodating part 3, so that the gas is fully contacted with the inner wall of the treatment box 1 corresponding to the inner wall of the circulation cavity 22 to reduce the temperature, and the actual low-temperature dehydration effect of the device is;
the intermediate position of the connecting blade 19 is set as a first projection arched in an arc toward the side away from the fixed pipe 2, and both sides of the connecting blade 19 are set to be a first concave part which is concave in an arc shape towards one side close to the fixed tube 2, the middle position of the auxiliary blade 20 is set to be a second concave part which is concave in an arc shape towards one side close to the fixed tube 2, both sides of the auxiliary blade 20 are set to be a second convex part which is arched in an arc shape towards one side far away from the fixed tube 2, the connecting blade 19 and the auxiliary blade 20 are arranged to be distributed at intervals, and the dispersed flow effect of the air flow led out from the connecting hole 11 is improved by the arc convex and concave parts which are distributed at intervals between the connecting blade 19 and the auxiliary blade 20, and the device reverses the protruding and recessed portions of the connecting leaf 19 and the auxiliary leaf 20, thereby improving the collision effect among the air flows and further enhancing the cooling effect of the cooling water circulated in the circulation cavity 22 on the internal air;
a plurality of adsorption screen plates 21 are fixed at the top between the inner walls of two ends of the treatment box 1, two rows of adsorption screen plates 21 are arranged, gaps are arranged between every two adjacent adsorption screen plates 21, the adsorption screen plates 21 at the bottom and the top are respectively set into a flow guide screen plate and a shielding screen plate, the flow guide screen plates and the shielding screen plates are distributed at intervals, the flow guide screen plates and the shielding screen plates are respectively set into arc structures which are arched downwards and upwards, the width of the gaps is smaller than that of the adsorption screen plates 21, the air circulation effect is ensured through the adsorption screen plates 21 distributed at intervals, and the influence of air flow blockage on the whole working efficiency is avoided;
the backing roll 14 sets up to both ends open-ended tubular structure, and the one end and the driving motor transmission of backing roll 14 circumference outer wall are connected, it has the cooling water to circulate through the water pipe between the both ends opening of backing roll 14, the auxiliary tank 27 that the annular array distributes is seted up to the outer wall of backing roll 14, the inner wall of auxiliary tank 27 sets up to the arc structure, through setting the backing roll 14 to the pipe fitting of circulation cooling water, and further improve the cryogenic treatment effect to connecting hole 11 outflow gas, and further strengthen the actual dehydration effect of device.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides a dewatering device for natural gas processing, is including handling case (1), its characterized in that, bottom between handling case (1) both ends inner wall is fixed with fixed pipe (2), and the intermediate position of fixed pipe (2) circumference outer wall rotates through the bearing and is connected with accommodating part (3) of annular structure, and the outer wall transmission of accommodating part (3) is connected with actuating mechanism, the chamber of accomodating of annular structure is seted up to the inside of accommodating part (3), and the through-hole (4) that annular array distributes are seted up to the circumference inner wall that the chamber is close to fixed pipe (2) are accomodate to the chamber, intermediate position between fixed pipe (2) both ends inner wall is fixed with baffle (5), and constitutes through baffle (5) in fixed pipe (2) has intake chamber (6) and play gas chamber (7) that are located baffle (5) bottom and top respectively, intake chamber (6) bottom and the intermediate position of going out gas chamber (7) top are fixed with intake pipe (8) and the play gas chamber (7) looks adaptation Outlet duct (9), and the one end in chamber of admitting air (6) is fixed with gas injection pipe (10), a plurality of connecting holes (11) have all been seted up at the both ends that fixed pipe (2) circumference outer wall top is located containing part (3), and the top of handling case (1) is connected with blast pipe (12).
2. The dehydration device for natural gas processing according to claim 1, wherein a support seat (13) is fixed at the middle position of the inner wall at the bottom of the treatment box (1), the outer wall of the circumference of the receiving member (3) is rotatably connected with the top of the support seat (13), a driving mechanism is provided with four supporting rollers (14) annularly distributed on the outer wall of the receiving member (3), two ends of each supporting roller (14) are rotatably connected with the inner walls of the two ends of the treatment box (1), one end of each supporting roller (14) is in transmission connection with a driving motor, a driving ring (15) is fixed at the position of the outer wall of each supporting roller (14) corresponding to the outer wall of the circumference of the receiving member (3), and the outer wall of each driving ring (15) is meshed with the outer wall of the receiving member (.
3. The natural gas processing dehydration device according to claim 1 or 2, characterized in that the guide plates (16) are fixed on the inner wall of the receiving member (3) and distributed in a ring array, the cross section of each guide plate (16) is arranged in an uneven streamline structure, and the side wall of each guide plate (16) is provided with a plurality of guide holes (17) penetrating through the guide plates.
4. The dehydration device for natural gas processing according to claim 3, wherein a guide groove (26) with an annular structure is formed in the middle of the outer circumferential wall of the fixed pipe (2), and the width of the guide groove (26) is smaller than the outer diameters of the inlet pipe (8) and the outlet pipe (9).
5. The dehydration device for natural gas processing according to claim 1 or 2, wherein a communication circulation cavity (22) is opened between two sides and one end of the treatment box (1), the top and the bottom of the circulation cavity (22) are respectively connected with a water inlet pipe (23) and a water outlet pipe (24), a drain pipe (25) is fixed at the bottom end of the treatment box (1), and an adsorption screen plate (21) is fixed at the top of the inner wall of the treatment box (1).
6. The dehydration device for natural gas processing according to claim 5, wherein a maintenance door is fixed at one end of the processing box (1) and is hermetically arranged, and the cover plates (18) are detachably connected at both ends of the receiving member (3), and a plurality of connecting blades (19) and auxiliary blades (20) are respectively fixed on the outer walls of the two cover plates (18) far away from the end of the receiving member (3).
7. The dehydration device for natural gas processing according to claim 6, wherein the middle position of the connecting blade (19) is set as a first protrusion that is curved and arched to the side away from the fixed pipe (2), and both sides of the connecting blade (19) are set as a first recess that is curved and sunken to the side close to the fixed pipe (2), the middle position of the auxiliary blade (20) is set as a second recess that is curved and sunken to the side close to the fixed pipe (2), both sides of the auxiliary blade (20) are set as a second protrusion that is curved and arched to the side away from the fixed pipe (2), and the connecting blade (19) and the auxiliary blade (20) are arranged to be spaced apart from each other.
8. The dehydration device for natural gas processing according to claim 5, wherein a plurality of adsorption screen plates (21) are fixed on the top between the inner walls of the two ends of the treatment box (1), two rows of adsorption screen plates (21) are provided, a gap is provided between two adjacent adsorption screen plates (21), the adsorption screen plates (21) on the bottom and the top are respectively provided with a flow guide screen plate and a shielding screen plate, the flow guide screen plate and the shielding screen plate are arranged in a spaced distribution, the flow guide screen plate and the shielding screen plate are respectively provided with a downward and upward arched arc structure, and the width of the gap is smaller than the width of the adsorption screen plates (21).
9. The dehydration device for natural gas processing according to claim 2, wherein the support roll (14) is provided in a tubular structure with two open ends, one end of the circumferential outer wall of the support roll (14) is in transmission connection with the driving motor, cooling water flows between the two open ends of the support roll (14) through a water pipe, the outer wall of the support roll (14) is provided with auxiliary grooves (27) distributed in an annular array, and the inner wall of the auxiliary grooves (27) is provided in an arc-shaped structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010578263.6A CN111704943B (en) | 2020-06-23 | 2020-06-23 | Dewatering device is used in natural gas processing |
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| CN202010578263.6A CN111704943B (en) | 2020-06-23 | 2020-06-23 | Dewatering device is used in natural gas processing |
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