CN116103068A - Dewatering device for liquefied natural gas production - Google Patents
Dewatering device for liquefied natural gas production Download PDFInfo
- Publication number
- CN116103068A CN116103068A CN202310311603.2A CN202310311603A CN116103068A CN 116103068 A CN116103068 A CN 116103068A CN 202310311603 A CN202310311603 A CN 202310311603A CN 116103068 A CN116103068 A CN 116103068A
- Authority
- CN
- China
- Prior art keywords
- dewatering
- ball
- cylinder
- dehydration
- natural gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003949 liquefied natural gas Substances 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 104
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 64
- 238000001179 sorption measurement Methods 0.000 claims abstract description 52
- 239000003345 natural gas Substances 0.000 claims abstract description 31
- 238000010521 absorption reaction Methods 0.000 claims abstract description 27
- 239000000945 filler Substances 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000018044 dehydration Effects 0.000 claims description 71
- 238000006297 dehydration reaction Methods 0.000 claims description 71
- 230000000903 blocking effect Effects 0.000 claims description 15
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 5
- 241000883990 Flabellum Species 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 241000196324 Embryophyta Species 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000005389 magnetism Effects 0.000 claims 2
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 230000000737 periodic effect Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005273 aeration Methods 0.000 abstract description 4
- 230000003111 delayed effect Effects 0.000 abstract description 4
- 229920006395 saturated elastomer Polymers 0.000 abstract description 4
- 230000007774 longterm Effects 0.000 abstract description 3
- 208000005156 Dehydration Diseases 0.000 description 58
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 230000006872 improvement Effects 0.000 description 6
- 239000011358 absorbing material Substances 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 241001388119 Anisotremus surinamensis Species 0.000 description 2
- 241000628997 Flos Species 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Drying Of Gases (AREA)
Abstract
The invention discloses a dewatering device for liquefied natural gas production, which comprises a dewatering cylinder, an aeration screen, a pre-dewatering mechanism and a circulating dewatering mechanism, wherein most of water vapor in natural gas can be separated, intercepted and adsorbed once by the pre-dewatering mechanism before the water vapor is adsorbed by a dewatering filler, the once adsorbed water vapor can be easily discharged from the dewatering cylinder, the time for the dewatering filler to absorb and saturate is delayed, the absorption load of the dewatering filler in unit time is reduced, the time for the natural gas to contact with the dewatering filler is improved, the water absorption effect of the dewatering filler is ensured, when the velvet-shaped wire harness and an adsorption ball tend to be in a water absorption saturated state, the water body in the velvet-shaped wire harness and the adsorption ball is extruded and dried periodically by the circulating dewatering mechanism while the water absorption operation of the velvet-shaped wire harness is not influenced, the long-term stable operation of dewatering equipment is ensured, and the difficulty of the dewatering operation of subsequent gas is greatly reduced.
Description
Technical Field
The invention relates to the technical field of natural gas dehydration, in particular to a dehydration device for liquefied natural gas production.
Background
Liquefied natural gas (Liquefied Natural Gas, LNG for short), whose main component is methane, is recognized as the cleanest fossil energy source on earth. The natural gas is purified and treated, liquefied at ultralow temperature, and transported by liquefied natural gas ship. After burning, the liquefied natural gas has very little pollution to air and emits large heat, so the liquefied natural gas is an advanced energy source.
The natural gas flowing from the wellhead is almost saturated with gas phase water and even carries a certain amount of liquid water. In addition, in the pretreatment process of the natural gas, related liquid absorption media are adopted in the pretreatment device, when the natural gas passes through the liquid absorption media, a part of water vapor is entrained, in order to avoid the blocking phenomenon caused by the existence of the water vapor in the natural gas, the free water in the raw material gas is usually required to be removed when the temperature is higher than the hydrate formation temperature, so that the water vapor in the liquefied natural gas can be subjected to subsequent production operation after the dehydration treatment of the natural gas by the dehydration device, but due to the particularity of the gas, the problem that the contact time is short and the dehydration efficiency is low in the contact process of the dehydration filler and the gas in the dehydration equipment adopting the adsorption water absorption method in the traditional method, and the dehydration filler in a local area is easy to absorb and saturate to influence the dehydration operation of the subsequent gas because the gas flows linearly in the device.
Accordingly, in order to solve the above-described problems, it is necessary to provide a dehydration device for lng production.
Disclosure of Invention
The invention aims to provide a dewatering device for liquefied natural gas production, which aims to solve the problems.
In order to achieve the above object, an embodiment of the present invention provides the following technical solution:
the utility model provides a dewatering device for liquefied natural gas production, a dewatering cylinder, the left and right sides of dewatering cylinder is provided with air inlet and gas outlet respectively, and the liquefied natural gas of taking steam is got into the dewatering cylinder through the air inlet and is discharged from the gas outlet after dewatering, and the screen cloth of ventilating, the screen cloth of ventilating sets up in the inner of dewatering cylinder and is close to one side of gas outlet, the screen cloth of ventilating is embedded to be equipped with the dehydration filler, and the dehydration filler contacts with the liquefied natural gas after the pre-dehydration back, carries out secondary interception and absorption to the vapor in the natural gas, pre-dehydration mechanism includes velvet-shaped wire, driven ball and adsorption ball, velvet-shaped wire is fixed connection with the inner wall of dewatering cylinder, velvet-shaped wire is kept away from the one end of dewatering cylinder inner wall and has been set gradually driven ball and adsorption ball, circulation dehydration mechanism includes circulation cylinder, guide duct and discharge tube, the circulating cylinder is fixedly connected with the inner center of the dewatering cylinder, the air guide pipe enters the dewatering cylinder from the air inlet and extends into the circulating cylinder, the discharge pipe is arranged at the tail of the circulating cylinder, the other end of the discharge pipe extends to the outside of the dewatering cylinder through the air outlet, a plurality of evenly distributed water guide holes are formed in the surface of the circulating cylinder, an elastic pull rope is fixedly connected in the circulating cylinder, a blocking ball is fixedly connected with the other end of the elastic pull rope, the blocking ball is movably connected in the water guide holes, interference fit is formed between the blocking ball and the water guide holes, a rotating groove is formed in the circulating cylinder, a rotating rod is rotationally connected with the rotating groove, one side of the rotating rod, which is close to the air guide pipe, is provided with driving fan blades, a plurality of driven blocks distributed in an annular array with the geometric center of the rotating rod are arranged on the rotating rod, and the driven blocks correspond to the positions of the water guide holes, under the normal state, possess certain clearance between shutoff ball and the driven piece, be in contactless state, during the circulation dehydration, the circulation dehydration is the absorption ball gets into the process of dehydration in the circulation section of thick bamboo, the hot-blast water that is used for drying absorption ball that blows in the guide duct is to the circulation section of thick bamboo, still can impel the drive flabellum rotatory and drive dwang and driven piece synchronous rotation, driven piece constantly rotates and can make between shutoff ball and the driven piece be in intermittent type nature extrusion state for accelerate to carry out dehydration to the absorption ball.
As a further improvement of the invention, an elastic beam rod is arranged in the velvet-shaped beam wire, two ends of the elastic beam rod are respectively and fixedly connected with the inner wall of the dehydration cylinder and the adsorption ball, an upper through hole and a lower through hole are respectively formed at the upper end and the lower end of the driven ball, one end of the velvet-shaped beam wire, which is far away from the dehydration cylinder, penetrates through the upper through hole and the lower through hole and extends out of the driven ball, one end of the velvet-shaped beam wire, which is far away from the inner wall of the dehydration cylinder, is fixedly connected with the adsorption ball, the adsorption ball is a water-absorbing pompon which can be repeatedly contracted, and the water-absorbing pompon is far greater than the water-absorbing performance of the velvet-shaped beam wire.
As a further improvement of the invention, the driven ball is arranged in a hollow mode, and an anti-overflow stop block is arranged at the lower through hole.
As a further improvement of the invention, an electromagnet is embedded in the circulating cylinder, a magnetic attraction ring is embedded in the thin wall of the driven ball, the magnetic attraction ring is made of metal iron, and an electromagnet switch of the electromagnet is set to be periodically self-opening and closing.
As a further improvement of the invention, a plurality of magnetic shielding rings are arranged on the outer wall of the circulating cylinder, and the number of the magnetic shielding rings is matched with the number of the water guide holes which run along the cylinder body of the circulating cylinder and are positioned on the same straight line.
As a further improvement of the invention, the outer diameter of the driven balls is matched with the aperture of the water guide holes, and the number of the driven balls is matched with the water guide holes.
As a further improvement of the invention, the heat conduction core pipe is arranged in the driven block, the plugging ball is made of heat conduction materials, and the rotating rod, the driving fan blade and the driven block are made of light materials.
Compared with the prior art, the invention has the advantages that:
according to the scheme, most of water vapor in the natural gas can be separated, intercepted and adsorbed for one time by the pre-dehydration mechanism before the water vapor is adsorbed by the dehydration filler, the water vapor after the primary adsorption can be easily discharged from the dehydration cylinder, the time of saturation absorption of the dehydration filler is delayed, the absorption load in unit time of the dehydration filler is reduced, the time of contact of the natural gas with the dehydration filler is prolonged, and the water absorption effect of the dehydration filler is ensured;
according to the scheme, the driven ball is ensured to move into the water guide hole corresponding to the position of the driven ball when the electromagnet switch is started through the magnetic shielding ring, meanwhile, the swing amplitude of the elastic beam rod can be limited through the magnetic shielding ring, and the natural gas blown to one end of the air outlet is formed into an air guide barrier, so that the natural gas is contacted with the velvet-shaped beam line and the adsorption ball more fully, and the effect of intercepting and absorbing water vapor in the natural gas is further improved;
when all tend to the saturation state that absorbs water in this scheme, when not influencing velvet form bundle line and carrying out the operation of absorbing water, extrude velvet form bundle line and the water in the absorption ball and dry through circulation dehydration mechanism is regular, guarantees the long-term stable operation of dewatering equipment, reduces the degree of difficulty that follow-up gas carries out the dehydration operation by a wide margin.
Drawings
FIG. 1 is a schematic diagram showing the state of the pre-dewatering mechanism for adsorbing water vapor in natural gas according to the present invention;
FIG. 2 is a schematic diagram showing a state of the pre-dewatering mechanism saturated in water vapor absorption when the pre-dewatering mechanism enters the circulating dewatering mechanism for water discharge in the invention;
FIG. 3 is a front cross-sectional view of the interior of the circulation barrel of the present invention;
FIG. 4 is an enlarged view of FIG. 1 at A;
FIG. 5 is an enlarged view at B in FIG. 2;
FIG. 6 is an enlarged view of FIG. 3 at C;
fig. 7 is an enlarged view of D in fig. 1.
The reference numerals in the figures illustrate:
the novel high-efficiency high-pressure water-saving device comprises a dewatering cylinder 1, a gas inlet 101, a gas outlet 102, a ventilation screen 2, a 3-velvet-shaped wire harness, a 301 elastic wire harness rod, a 4-driven ball, a 401 upper through hole, a 402 lower through hole, a 403 anti-overflow stop block, a 404 magnetic suction ring, a 5-adsorption ball, a 6-circulation cylinder, a 601 water guide hole, a 602 electromagnet, a 603 magnetic shielding ring, a 604 rotating groove, a 7 elastic pull rope, a 8-sealing ball, a 9-air guide pipe, a 10-rotating rod, 11-driving fan blades, 12-driven blocks and 13-discharging pipes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
Example 1:
referring to fig. 1-7, a dehydration device for liquefied natural gas production comprises a dehydration barrel 1, wherein an air inlet 101 and an air outlet 102 are respectively arranged at the left end and the right end of the dehydration barrel 1, and liquefied natural gas with water vapor enters the dehydration barrel 1 through the air inlet 101 for dehydration and is discharged from the air outlet 102.
The aeration screen 2, the aeration screen 2 sets up in the inner of dehydration section of thick bamboo 1 and be close to one side of gas outlet 102, and aeration screen 2 embeds and is equipped with dehydration filler, and the dehydration filler contacts the liquefied natural gas after the pre-dehydration back, carries out secondary interception and absorption to the vapor in the natural gas, and dehydration filler sets up in dehydration section of thick bamboo 1 and adsorbs dehydration to prior art.
Referring to fig. 4, the pre-dewatering mechanism includes a pile-shaped wire harness 3, a driven ball 4 and an adsorption ball 5, wherein the pile-shaped wire harness 3 is fixedly connected with the inner wall of the dewatering cylinder 1, one end of the pile-shaped wire harness 3, which is far away from the inner wall of the dewatering cylinder 1, is sequentially provided with the driven ball 4 and the adsorption ball 5, the pile-shaped wire harness 3 and the adsorption ball 5 are made of materials with water absorbing and storing functions, the adsorption ball 5 is a water-absorbing floss ball capable of repeatedly shrinking, the water-absorbing floss ball is far greater than the water absorbing performance of the pile-shaped wire harness 3, the adsorption ball 5 and the pile-shaped wire harness 3 are made of water absorbing materials, which can be plant fibers, artificial fibers, sponges and other materials with water absorbing performance, water vapor is gradually led to flow to the adsorption ball 5 by the pile-shaped wire harness 3, the water absorbed by the adsorption ball 5 is gradually increased along with the increase of the adsorption time until the pile-shaped wire harness 3 and the adsorption ball 5 are all tend to be in a saturated state, when the natural gas flows from the gas inlet 101 to the gas outlet 102, the pile-shaped wire harness 3 is swung towards one side of the gas outlet 102, the water absorbing material is made of the water absorbing material, and the water vapor inside the pile-like wire harness 3 can be fully blocked by the water vapor from the water absorbing wire harness 3, and the water vapor can be fully blocked in the water-absorbing effect of the water-absorbing wire harness 1;
referring to fig. 1-6, an elastic beam 301 is disposed in the pile-shaped wire harness 3, two ends of the elastic beam 301 are fixedly connected with an inner wall of the dewatering drum 1 and the adsorption ball 5, the length of the pile-shaped wire harness 3 can be extended to a certain extent through the elastic beam 301, meanwhile, the elastic beam 301 can swing with the influence of air flow to a certain extent, a reset function is provided, the pile-shaped wire harness 3 and the dewatering drum 1 are in a vertical state during reset, one end of the pile-shaped wire harness 3, which is far away from the dewatering drum 1, penetrates through the upper through hole 401 and the lower through hole 402 and extends to the outside of the driven ball 4, one end of the pile-shaped wire harness 3, which is far away from the inner wall of the dewatering drum 1, is fixedly connected with the adsorption ball 5, so that the water body adsorbed on the pile-shaped wire harness 3 always flows to one end, which is close to the adsorption ball 5, is arranged in the hollow inside of the driven ball 4, and an anti-overflow stop 403 is disposed at the lower through hole 402, when the adsorption ball 5, which is located at the lower side of the circulation drum 6, enters the water guide hole 601, the water body in the adsorption ball 5 is likely to flow back into the dewatering drum 1 through the lower through hole 402, and the anti-overflow stop 403, and can effectively prevent the occurrence of such situation.
It is worth noting that most of water vapor in the natural gas can be separated, intercepted and adsorbed once before the water vapor is adsorbed by the dehydration filler through the pre-dehydration mechanism, the water vapor after the primary adsorption can be easily discharged from the circulating cylinder 6, the time of saturation absorption of the dehydration filler is delayed, the absorption load in unit time of the dehydration filler is reduced, the time of contact of the natural gas is prolonged, and therefore the water absorption effect of the dehydration filler is guaranteed.
Referring to fig. 3 and 6, the circulation dewatering mechanism includes a circulation drum 6, an air guide pipe 9 and a discharge pipe 13, the circulation drum 6 is fixedly connected to the inner center of the dewatering drum 1, an adsorption ball 5 tending to be in a water absorption saturation state periodically discharges water into the circulation drum 6, the air guide pipe 9 enters the dewatering drum 1 from an air inlet 101 and extends into the circulation drum 6, the air guide pipe 9 is used for introducing hot air into the circulation drum 6 to dry the water discharged into the circulation drum 6 as much as possible, the air guide pipe 9 is controlled to be started by an external device, a switch of the air guide pipe 9 is set to be periodically self-opened and closed, the discharge pipe 13 is arranged at the tail of the circulation drum 6, the other end of the discharge pipe 13 extends to the outside of the dewatering drum 1 through an air outlet 102, and the discharge pipe 13 is used for discharging the hot air in the circulation drum 6 and the water not dried by the hot air to the outside of the dewatering drum 1;
referring to fig. 4-6, a plurality of evenly distributed water guide holes 601 are formed in the surface of the circulation cylinder 6, an elastic pull rope 7 is fixedly connected in the circulation cylinder 6, a blocking ball 8 is fixedly connected to the other end of the elastic pull rope 7, the blocking ball 8 is pulled through the elastic pull rope 7, the blocking ball 8 is abutted to an inner side opening of the water guide hole 601, the water guide holes are blocked through the blocking ball 8 in a normal state, an effect similar to a one-way valve is achieved, and natural gas is guaranteed not to flow into the circulation cylinder 6 from the position;
referring to fig. 4-6, an electromagnet 602 is embedded in the circulation cylinder 6, the electromagnet 602 corresponds to the number of water guide holes 601 and is arranged around the water guide holes 601 corresponding to the electromagnet 602, a magnetic suction ring 404 is embedded in the thin wall of the driven ball 4, the magnetic suction ring 404 is made of metal iron, an electromagnet switch of the electromagnet 602 is set to be periodically self-opening and closing, a switch of the air guide pipe 9 and the electromagnet switch are simultaneously opened and closed, according to the humidity of natural gas, a technician can self-adjust the interval time to be matched with the saturation time of the adsorption ball 5 as much as possible, the water storage performance of the adsorption ball 5 is ensured, the prior art known to the technician in the art is omitted, the outer diameter of the driven ball 4 is matched with the aperture of the water guide holes 601, the number of the driven ball 4 is matched with the water guide holes 601, and when the electromagnet switch is started, the electromagnet 602 adsorbs the magnetic suction ring 404 through magnetic suction, so that the driven ball 4 moves into the water guide holes 601 corresponding to the positions, in the process of the water guide holes 601 of the driven ball 4, the water guide holes 8 are gradually extruded from the water guide holes 8 to the water guide holes 6, and the natural gas is not blocked by the circulation cylinder 6;
referring to fig. 3-4, a plurality of magnetic shielding rings 603 are further disposed on the outer wall of the circulation cylinder 6, the number of the magnetic shielding rings 603 is matched with the number of the water guiding holes 601 on the same straight line along the direction of the cylinder of the circulation cylinder 6, the magnetic shielding rings 603 are used for coping with the interference of the adjacent electromagnets 602 on the magnetic attraction rings 404 in the driven balls 4 when the electromagnet is started, so that the driven balls 4 can move into the water guiding holes 601 corresponding to the positions of the driven balls when the electromagnet is started, meanwhile, the magnetic shielding rings 603 can limit the swing amplitude of the elastic beam rod 301, and form a gas guiding barrier for the natural gas blown to one end of the air outlet 102, so that the natural gas contacts with the velvet beam wire 3 and the adsorption balls 5 more fully, and the effect of intercepting and absorbing the water vapor in the natural gas is further improved.
Referring to fig. 4-6, after the electromagnet switch is started, the adsorption ball 5 enters the water guide hole 601 along with the driven ball 4, when the driven ball 4 is completely embedded into the water guide hole 601, the adsorption ball 5 is extruded into the circulation cylinder 6, the blocking ball 8 is driven to move towards the inner end of the circulation cylinder 6, the elastic pull rope 7 is stretched, the adsorption ball 5 is subjected to primary drainage in the extrusion process with the blocking ball 8, the elastic pull rope 7 is reset through elasticity, the extrusion reaction force is provided, and the drainage efficiency of the adsorption ball 5 is improved;
referring to fig. 3-7, a rotary tank 604 is provided in the circulation cylinder 6, it is noted that the exhaust pipe 13 is designed adjacent to the rotary tank 604, a rotary rod 10 is rotationally connected to the rotary tank 604, a driving fan blade 11 is disposed on one side of the rotary rod 10 near the air guiding pipe 9, a plurality of driven blocks 12 distributed in a ring-shaped array with the geometric center of the driven blocks 12 corresponding to the positions of the water guiding holes 601 are disposed on the rotary rod 10, the air guiding pipe 9 blows hot air into the circulation cylinder 6 to drive the driving fan blade 11 to drive the rotary rod 10 and the driven blocks 12 to rotate, the adsorption balls 5 in the circulation cylinder 6 are dried by the hot air, a certain gap is provided between the blocking balls 8 and the driven blocks 12 in normal state, and in non-contact state, the circulation dehydration is the process that the adsorption balls 5 enter the circulation cylinder 6 for dehydration, the blocking ball 8 and the driven block 12 are in an intermittent extrusion state, in this state, the blocking ball 8 is extruded continuously to the adsorption ball 5 and is extruded by the adsorption ball 5 to the circulation cylinder 6, the drainage efficiency of the adsorption ball 5 is greatly improved, until most of water in the adsorption ball 5 is extruded and discharged or dried, the velvet-shaped wire 3 continuously intercepts and absorbs water vapor in natural gas in the dehydration process of the adsorption ball 5, and is continuously cut off to the adsorption ball 5 under the influence of water guiding performance to dehydrate, when the electromagnet switch is closed periodically, the elastic wire rod 301 resets and contracts to bring the driven ball 4 and the adsorption ball 5 away from the water guiding hole 601, and meanwhile, the elastic pull rope 7 resets and pulls the blocking ball 8 to block the water guiding hole 601 again.
Referring to fig. 6, a heat conducting core pipe is disposed in the driven block 12, the plugging ball 8 is made of a heat conducting material, the dehydration efficiency of the adsorption ball 5 is accelerated by the heat conduction process from the driven block 12 to the plugging ball 8 and then to the adsorption ball 5, the rotating rod 10, the driving fan blades 11 and the driven block 12 are made of light materials, so that the hot air blown into the circulation barrel 6 by the air guide pipe 9 can be ensured to drive the driving fan blades 11 to rotate, thereby driving the rotating rod 10 and the driven block 12 to synchronously rotate, and the driving fan blades 11 can be provided with an electric driving piece to cope with the situation that when the water vapor content in the natural gas is higher, the circulation dehydration is required frequently, for example, the motor is used for driving the acceleration rotation, and the faster drying efficiency is obtained.
According to the scheme, most of water vapor in the natural gas can be separated, intercepted and adsorbed once before the dehydrated filler adsorbs the water vapor through the pre-dehydration mechanism, the water vapor after the primary adsorption can be easily discharged from the dehydration cylinder 1, the time of absorbing saturation of the dehydrated filler is delayed, the absorption load of the dehydrated filler in unit time is reduced, the time of contacting the natural gas is improved, the water absorption effect of the dehydrated filler is guaranteed, when the velvet-shaped wire harness 3 and the adsorption ball 5 tend to be in a water absorption saturation state, the velvet-shaped wire harness 3 is extruded and dried periodically through the circulating dehydration mechanism while the water in the velvet-shaped wire harness 3 and the adsorption ball 5 is not influenced, the long-term stable operation of dehydration equipment is guaranteed, and the difficulty of dehydration operation of subsequent gas is greatly reduced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment contains only one independent technical solution, and that such description is provided for clarity only, and that the technical solutions of the embodiments may be appropriately combined to form other embodiments that will be understood by those skilled in the art.
Claims (7)
1. The utility model provides a dewatering device is used in liquefied natural gas production which characterized in that: comprising the following steps:
the device comprises a dewatering cylinder (1), wherein an air inlet (101) and an air outlet (102) are respectively arranged at the left end and the right end of the dewatering cylinder (1), and liquefied natural gas with water vapor enters the dewatering cylinder (1) through the air inlet (101) for dewatering and is discharged from the air outlet (102);
the ventilation screen (2) is arranged at the inner end of the dehydration barrel (1) and is close to one side of the air outlet (102), a dehydration filler is embedded in the ventilation screen (2), and after the dehydration filler is contacted with the pre-dehydrated liquefied natural gas, water vapor in the natural gas is intercepted and absorbed secondarily;
the pre-dewatering mechanism comprises a velvet-shaped wire harness (3), driven balls (4) and adsorption balls (5), wherein the velvet-shaped wire harness (3) is fixedly connected with the inner wall of the dewatering cylinder (1), and one end, far away from the inner wall of the dewatering cylinder (1), of the velvet-shaped wire harness (3) is sequentially provided with the driven balls (4) and the adsorption balls (5);
the circulating dehydration mechanism comprises a circulating cylinder (6), an air guide pipe (9) and a discharge pipe (13), wherein the circulating cylinder (6) is fixedly connected to the inner center of the dehydrating cylinder (1), the air guide pipe (9) enters the dehydrating cylinder (1) from an air inlet (101) and extends into the circulating cylinder (6), the discharge pipe (13) is arranged at the tail part of the circulating cylinder (6), the other end of the discharge pipe (13) extends to the outer part of the dehydrating cylinder (1) through an air outlet (102), a plurality of uniformly distributed water guide holes (601) are formed in the surface of the circulating cylinder (6), an elastic pull rope (7) is fixedly connected to the other end of the elastic pull rope (7), a blocking ball (8) is movably connected to the inside of the water guide hole (601), a rotating groove (604) is formed in the circulating cylinder (6) in an interference fit mode, a rotating groove (604) is formed in the rotating groove (604), a plurality of uniformly distributed water guide holes (601) are formed in the surface of the circulating cylinder, a plurality of evenly distributed water guide rods (10) are arranged on one side of the rotating rods (10) and are arranged on one side of the rotating rods (10) close to the geometric array (12), and driven piece (12) are corresponding with the position of water guide hole (601), under the normality, possess certain clearance between shutoff ball (8) and driven piece (12), be in contactless state, during cyclic dehydration, hot-blast being used for drying the water in adsorption ball (5) that is blown to circulation section of thick bamboo (6) in guide duct (9), still can impel drive flabellum (11) rotatory and drive dwang (10) and driven piece (12) synchronous rotation, driven piece (12) constantly rotate and can make between shutoff ball (8) and driven piece (12) be in intermittent type nature extrusion state for accelerate to carry out dehydration to adsorption ball (5).
2. The dehydration device for liquefied natural gas production according to claim 1, wherein: the inside of velvet form beam line (3) is provided with elasticity beam pole (301), the both ends of elasticity beam pole (301) respectively with the inner wall of dehydration section of thick bamboo (1) and adsorb ball (5) fixed connection, upper through-hole (401) and lower through-hole (402) have been seted up respectively to the upper and lower both ends of driven ball (4), velvet form beam line (3) are kept away from the one end of dehydration section of thick bamboo (1) and are passed through upper through-hole (401) and lower through-hole (402) and extend to driven ball (4) outside, velvet form beam line (3) are kept away from the one end of dehydration section of thick bamboo (1) inner wall and adsorb ball (5) fixed connection, adsorb ball (5) are the water absorption pom that can contract repeatedly, and the water absorption performance of water absorption pom is greater than velvet form beam line (3).
3. The dehydration device for liquefied natural gas production according to claim 2, wherein: the inside of driven ball (4) is hollow setting, lower through-hole (402) department is provided with anti-overflow dog (403).
4. A dehydration plant for lng production according to claim 3, characterized in that: the inside of circulation section of thick bamboo (6) is inlayed and is equipped with electro-magnet (602), the thin wall of driven ball (4) is inlayed and is equipped with magnetism and inhale ring (404), magnetism is inhaled ring (404) and is adopted the metallic iron to make, the electro-magnet switch of electro-magnet (602) sets up to periodic self-starting formula.
5. The dewatering device for lng production according to claim 4, wherein: a plurality of magnetic shielding rings (603) are arranged on the outer wall of the circulating cylinder (6), and the number of the magnetic shielding rings (603) is matched with the number of water guide holes (601) which run along the cylinder body of the circulating cylinder (6) and are positioned on the same straight line.
6. The dewatering device for lng production according to claim 5, wherein: the outer diameter of the driven balls (4) is matched with the aperture of the water guide holes (601), and the number of the driven balls (4) is matched with the water guide holes (601).
7. The dehydration device for liquefied natural gas production according to claim 1, wherein: the inside of driven piece (12) is provided with the heat conduction core pipe, shutoff ball (8) are made by the heat conduction material, dwang (10), drive flabellum (11) and driven piece (12) all adopt light material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310311603.2A CN116103068B (en) | 2023-03-28 | 2023-03-28 | Dewatering device for liquefied natural gas production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310311603.2A CN116103068B (en) | 2023-03-28 | 2023-03-28 | Dewatering device for liquefied natural gas production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116103068A true CN116103068A (en) | 2023-05-12 |
| CN116103068B CN116103068B (en) | 2023-06-27 |
Family
ID=86265692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310311603.2A Active CN116103068B (en) | 2023-03-28 | 2023-03-28 | Dewatering device for liquefied natural gas production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116103068B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205062014U (en) * | 2015-09-11 | 2016-03-02 | 北京鼎甲绿能环保科技有限公司 | Natural gas dewatering system |
| CN206256033U (en) * | 2016-08-23 | 2017-06-16 | 西安超滤环保科技股份有限公司 | A kind of natual gas dehydrate unit of utilization new energy thermal regeneration |
| CN107384493A (en) * | 2017-08-21 | 2017-11-24 | 江苏卓达信息科技有限公司 | The dehydration device of liquefied natural gas (LNG) production |
| CN208234864U (en) * | 2018-04-24 | 2018-12-14 | 李飞宇 | A kind of mechanical chemical dehydration method natual gas dehydrate unit |
| CN110330210A (en) * | 2019-07-28 | 2019-10-15 | 宋金贵 | A kind of Centrifugal sludge dehydration processing unit |
| KR20190120584A (en) * | 2018-04-16 | 2019-10-24 | 한국건설기술연구원 | Sludge dehydration apparatus using dehydrated balls |
| KR20210092935A (en) * | 2020-01-17 | 2021-07-27 | 박기태 | Apparatus and method for low temperature dehydrating and drying sludge using supercritical CO2 |
-
2023
- 2023-03-28 CN CN202310311603.2A patent/CN116103068B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205062014U (en) * | 2015-09-11 | 2016-03-02 | 北京鼎甲绿能环保科技有限公司 | Natural gas dewatering system |
| CN206256033U (en) * | 2016-08-23 | 2017-06-16 | 西安超滤环保科技股份有限公司 | A kind of natual gas dehydrate unit of utilization new energy thermal regeneration |
| CN107384493A (en) * | 2017-08-21 | 2017-11-24 | 江苏卓达信息科技有限公司 | The dehydration device of liquefied natural gas (LNG) production |
| KR20190120584A (en) * | 2018-04-16 | 2019-10-24 | 한국건설기술연구원 | Sludge dehydration apparatus using dehydrated balls |
| CN208234864U (en) * | 2018-04-24 | 2018-12-14 | 李飞宇 | A kind of mechanical chemical dehydration method natual gas dehydrate unit |
| CN110330210A (en) * | 2019-07-28 | 2019-10-15 | 宋金贵 | A kind of Centrifugal sludge dehydration processing unit |
| KR20210092935A (en) * | 2020-01-17 | 2021-07-27 | 박기태 | Apparatus and method for low temperature dehydrating and drying sludge using supercritical CO2 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116103068B (en) | 2023-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206635532U (en) | A kind of roller washing machine free of cleaning | |
| CN107477732A (en) | A kind of air cleaning unit and its method of sustainable degraded indoor VOCs | |
| CN203540279U (en) | Turbo type mining wet dust collector | |
| CN209068942U (en) | A kind of tcm and herbal slice fining processing drying unit | |
| CN116103068B (en) | Dewatering device for liquefied natural gas production | |
| CN105351556B (en) | Double gas share plug valve | |
| CN109540756A (en) | A kind of cloth device for checking air permeability | |
| CN107384493A (en) | The dehydration device of liquefied natural gas (LNG) production | |
| CN205253358U (en) | A double helix air enclosed device for insulating seed cell of wet -type electrostatic precipitator | |
| CN204276161U (en) | A kind of wet type cellular electrostatic precipitator negative electrode fixator hot air sweeping device | |
| CN113551322B (en) | Dehumidification device for ocean engineering ship | |
| CN110614021B (en) | Flue gas guiding device for desulfurizing tower | |
| CN108554749A (en) | A kind of steel pipe spray painting drying device | |
| CN208883216U (en) | A kind of bundle rope retracting wheel of strip automatic bundling machine | |
| CN103423830A (en) | Air exhausting device for pumping air inside building by utilizing wind power | |
| CN206799558U (en) | A kind of new biogas isolation of purified equipment | |
| CN207722567U (en) | Toluene organic tail gas activated carbon fiber absorbing recovery device | |
| CN201972032U (en) | Drying machine for industry | |
| CN206449245U (en) | A kind of residual cake valve | |
| CN206680733U (en) | A kind of guiding device that twin-jet nozzle is carried for fabric dyeing machine | |
| CN203489413U (en) | Wind type air exhausting device for exhausting internal air of building | |
| CN208085278U (en) | A kind of digital ink-jet device of high-elastic etching fabric | |
| CN209024716U (en) | A kind of elasticizer cooling apparatus | |
| CN218608754U (en) | Compression boiler flue gas dehydration drying system | |
| CN207552588U (en) | A kind of friction rotation rim charge surge drum of loom |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231127 Address after: 745099 No. 45, Lanzhou Road, Qingyang City, Gansu Province Patentee after: LONGDONG University Patentee after: NINGXIA TIANLIFENG ENERGY CO.,LTD. Address before: No.45 Lanzhou Road, Xifeng District, Qingyang City, Gansu Province Patentee before: LONGDONG University |
|
| TR01 | Transfer of patent right |