CN105257979A - Liquefied natural gas gasifier fixedly connected with inner heat exchange fins and retractable outer heat exchange fins - Google Patents
Liquefied natural gas gasifier fixedly connected with inner heat exchange fins and retractable outer heat exchange fins Download PDFInfo
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- CN105257979A CN105257979A CN201510379979.2A CN201510379979A CN105257979A CN 105257979 A CN105257979 A CN 105257979A CN 201510379979 A CN201510379979 A CN 201510379979A CN 105257979 A CN105257979 A CN 105257979A
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Abstract
The invention relates to a gasifier, in particular to a liquefied natural gas gasifier fixedly connected with inner heat exchange fins and retractable outer heat exchange fins. The liquefied natural gas gasifier comprises a gasification pipe and a speed-adjustable delivery pump; the gasification pipe comprises multiple gasification sections and bent sections; the gasification sections and the bent sections are arranged at intervals to form a returning structure; the multiple outer heat exchange fins are arranged on the outer surfaces of the gasification sections; the multiple inner heat exchange fins are arranged inside the gasification sections; the inner heat exchange fins and the gasification sections are connected into a whole; the outer heat exchange fins comprise at least two heat dissipation plates; the adjacent heat dissipation plates are retractably connected together in the radial direction of the gasification sections in a sleeving mode; only one of the heat dissipation plates is welded to the gasification sections together. The liquefied natural gas gasifier has the advantages that cold can be rapidly dissipated when the liquefied natural gas flow passes through the gasification sections, and gas delivery speed can be adjusted as required. The problems of slow cold dissipation and constant gas delivery speed of existing liquefied natural gas gasifiers are solved.
Description
Technical field
The present invention relates to vaporizer, particularly relate to a kind of liquefied natural gas gasifying device being connected with interior heat exchange sheet and the outer heat exchange sheet of extension type, belong to LNG Liquefied natural gas conveying technology field.
Background technique
LNG Liquefied natural gas is after reducing the temperature to subzero less than 140 degree, be transported to gasholder station by special liquefied gas transport car and put in the low-temperature insulation tank of gasholder station, when needs transmit gaseous liquefied gas by pipeline outward time, low temperature gas holder (being actually liquid storage) flows out liquid LNG Liquefied natural gas by pipe, after then exchanging cold by liquefied natural gas gasifying device with external environment, liquefied gas temperature is raised, thus realize the rock gas of to walk out gaseous state in gasifier exit section, then by pipeline supply to user.Chinese Patent Application No. be 2014104052170, publication number is cn104197190, name to be called in the patent document of " a kind of air-heating type gasifier and using method thereof " i.e. a kind of existing liquefied natural gas gasifying device of switch.Existing liquefied natural gas gasifying device comprises some gasifying pipes, and gasifying pipe comprises some gasification section and bend section, and gasification section and bend section interval arrange and form structure of turning back, and the outer surface of gasification section is provided with some outer heat exchange sheets.During use, the entrance point of gasifying pipe is linked together with low-temperature insulation tank, outlet end links together with air duct.
Existing liquefied natural gas gasifying device exists not enough: cold scattering and gasification rate slow; Gasification rate can not adjust as required, thus makes gas transmission speed be merely able to keep substantially constant, gas transmission pressure change can be caused to make troubles to user's use gas greatly during gas consumption change.
Summary of the invention
The invention provides that cold when a kind of LNG Liquefied natural gas flows through gasification section can lose fast, that gas transmission speed can adjust the as required liquefied natural gas gasifying device being connected with interior heat exchange sheet and the outer heat exchange sheet of extension type, solve that existing liquefied natural gas gasifying device cold scatters and disappears slowly, gas transmission speed is merely able to invariable problem.
Above technical problem is solved by following technical proposal: a kind of liquefied natural gas gasifying device being connected with interior heat exchange sheet and the outer heat exchange sheet of extension type, comprise gasifying pipe, described gasifying pipe comprises some gasification section and bend section, described gasification section and bend section interval arrange and form structure of turning back, the outer surface of described gasification section is provided with some outer heat exchange sheets, it is characterized in that, also comprise the transfer pump that the entrance point with described gasifying pipe links together, described transfer pump comprises pump case, the pump shaft being rotationally connected with pump case and the speed-adjustable motor driving pump shaft to rotate, some interior heat exchange sheets are provided with in described gasification section, described interior heat exchange sheet links together with described gasification section integrative-structure, described outer heat exchange sheet comprises at least two blocks of Heat sinks, radial telescopically along described gasification section between adjacent Heat sink connects together, described Heat sink only one block of Heat sink welds together with described gasification section.The speed changing speed-adjustable motor according to the change of gas consumption during use makes that the amount being conveyed into the liquid natural gas of gasifying pipe of transfer pump meets the requirement exporting tolerance, the extended length simultaneously changing heat exchange sheet and the change realizing heat absorbing property, the liquid natural gas that makes to flow through gasifying pipe can gasify in time, thus realize exporting tolerance change, to meet different gas consumption demands.By arranging interior heat exchange sheet in gasification section, the internal surface area of gasification section can be increased, internal surface area increase then can increase the area of contact of LNG Liquefied natural gas with gasification section, thus cold can pass to radiating fin fast when making LNG Liquefied natural gas flow through oil duct, play the effect improving gasification rate further.
As preferably, installation cavity is provided with in described pump shaft, shock-damping structure is provided with in described installation cavity, the described shock-damping structure radial direction comprised along described pump shaft is connected to adjusting nut together, core retainer plate, small end successively towards the butterfly spring of core retainer plate and mounting plate, described mounting plate be connected with through after described elastomeric spring and core retainer plate with the adjusting screw rod that described adjusting nut is threaded togather, described core retainer plate is externally connected with rubber ring, described rubber ring is externally connected with quality circles, and described rubber ring is provided with the taper type counterbore pushing down butterfly spring.In pump shaft, shock-damping structure is set, the quality circles of shock-damping structure provide mass M for shock-damping structure, rubber ring provides rigidity and damping for shock-damping structure, by the rubber ring of shock-damping structure, vibrational energy is converted to frictional heat energy and consumes, thus the vibration & noise produced when reducing transfer pump work; Can be adjusted rigidity and the damping of shock-damping structure by the weight of adjustment mass block circle and the hardness of rubber ring, the frequency when model frequency of shock-damping structure is resonated with pump shaft is consistent; By the precompression of rotating adjusting nut adjustable elastic backing plate, the scope of adjustment shock-damping structure rigidity and damping can be expanded.The effect that reduction pump shaft vibrates the vibration noise caused is better.
As preferably, in described core retainer plate, be provided with rubber bushing.The inner peripheral surface of core retainer plate and adjusting screw rod can be avoided to wipe and to touch generation vibration noise.
As preferably, the outer circumferential face of described core retainer plate is provided with several and stretches into core retainer plate portion connecting ring in rubber ring, and the inner peripheral surface of described quality circles is provided with several and stretches into quality circles portion connecting ring in described rubber ring.Connect more firm.
As preferably, described heat absorption plate is set-located layer by layer, is positioned at outermost heat absorption plate and welds together with described gasification section.Good heat dissipation effect.
As preferably, described heat absorption plate has three pieces at least, is positioned at the tubular structure that middle heat absorption plate is two ends all opening.Endothermic effect is good.
As preferably, described heat absorption plate, is also provided with the magnet be fixed together by adjacent heat absorption plate when adjacent heat absorption plate is in and stretches out state between adjacent heat absorption plate.Can prevent from outer heat exchange sheet from producing miss shrinkage phenomenon and affect endothermic effect.
As preferably, described pump shaft passes through two bearings in described pump case, fueling cavity is formed between described pump case and two bearings, the first gear and the second gear that mesh together is provided with in described fueling cavity, described first gear links together with described pump shaft, and described second gear is rotatably connected with described pump case, oil-filling mechanism is provided with in described first gear, described oil-filling mechanism comprises oil outlet, gas supplementing opening, sealing head, sealing head is driven to seal up the first spring of oil outlet, cylinder body and slipper seal are connected to the piston of cylinder body, described cylinder body is divided into air cavity and oil pocket by described piston, described piston is provided with the one-way valve opened towards air cavity, described piston is linked together with described sealing head by connecting rod, described oil outlet is connected with described oil pocket by oil duct, described gas supplementing opening is connected with described air cavity by air flue, described oil outlet is arranged at the tooth top of described first gear, the distance that described sealing head stretches out the tooth top of described first gear is greater than the tooth top gap between described first gear and the second gear.During use, lubricant oil is loaded onto in oil pocket, pump shaft drives the first pinion rotation when rotating, when the first pinion rotation to the tooth being provided with oil outlet with the second gears meshing together time, the teeth groove of the first gear drives in sealing head indentation gear, is also moved towards oil pocket by connecting rod driven plunger and drive lubricant oil in oil pocket to flow to oil outlet through oil duct and flow to fueling cavity thus realize the lubrication to bearing when Stamping Steel Ribbon inside contracts while making the first spring energy-storage; When sealing head staggers with teeth groove, oil outlet is sealed in nose heave Xinmi City of effect lower seal of the first spring, the proceduredriven piston of sealing head movement moves towards air cavity, now because the pressure in the part outflow of the oil in oil pocket, event oil pocket is less than the pressure of air cavity, one-way valve is opened and to make in replenish air to oil pocket and to reclaim in oil suction chamber by unnecessary having in fueling cavity, make next time piston press oil pocket time lubricant oil can reliably flow out.Achieve the self oiling of transfer pump.
As preferably, the side face of the outlet end of described gasifying pipe is provided with some air outlet holes, the outer end of described air outlet hole is connected with base, and described base is connected with steam outlet pipe, is all fixed together by the mode of welding between described base and described gasifying pipe, between described base and described steam outlet pipe.During use, pneumatic tube is linked together with steam outlet pipe and realizes the output of LNG Liquefied natural gas, convenient when this structure connects with many pneumatic tubes, can radiographic inspection be passed through.Be convenient to find the joint whether poor sealing of gasification section and gasifying pipe.
As preferably, interior pipe is equipped with in described air outlet hole, the inner of described interior pipe is provided with the flange of clasp joint at described gasifying pipe internal surface, described interior pipe is located in described base and steam outlet pipe, metallic packing ring is provided with between the outer circumferential face of described interior pipe outer end and steam outlet pipe inner peripheral surface, described seal ring is axially provided with annular distending groove away from one end of described gasifying pipe, described distending groove extends along the circumference of seal ring, described distending groove is communicated with the inner space of described interior pipe, and described base, interior pipe and steam outlet pipe three weld together.Effectively can improve the join strength between steam outlet pipe and gasifying pipe and sealing reliability.
As preferably, each block heat absorption plate is all provided with positioning jack, thus heat absorption plate in positioning jack can align.
As preferably, described heat absorption plate, the described positioning jack alignment in heat absorption plate adjacent when being retracted to limit position between adjacent heat absorption plate.Convenience when drawing outer heat exchange sheet in can be improved.
The present invention has following advantage: the demand can carrying out satisfied different gas consumption according to the speed of gas consumption adjustment output gas, and endothermic effect is good, and LNG Liquefied natural gas can fully be gasified; Gasification rate is fast.
Accompanying drawing explanation
Fig. 1 is the perspective view of the embodiment of the present invention one.
Fig. 2 is the schematic cross-section of the gasification section in embodiment two.
Fig. 3 is the schematic diagram of the transfer pump in embodiment two.
Fig. 4 is the cross-sectional schematic of the first gear and the second gear.
Fig. 5 is the close-up schematic view at the A place of Fig. 4.
Fig. 6 is the close-up schematic view at the B place of Fig. 4.
Fig. 7 is the structural representation of shock-damping structure.
Fig. 8 is the enlarged diagram that outer heat exchange sheet is in when stretching out state.
Fig. 9 is the enlarged diagram of outer heat exchange sheet when being in contraction state.
The partial schematic diagram of Figure 10 embodiment three.
Figure 11 is the linkage structure schematic diagram of steam outlet pipe and gasifying pipe.
Figure 12 is the close-up schematic view at the C place of Figure 11.
In figure: gasifying pipe 1 air outlet hole 11, base 12, gasification section 13, bend section 14, the entrance point 15 of gasifying pipe, the outlet end 16 of gasifying pipe, steam outlet pipe 2, shock-damping structure 3, mounting plate 31, butterfly spring 32, core retainer plate 33, core retainer plate portion connecting ring 331, adjusting nut 34, locking nut 35, adjusting screw rod 36, rubber bushing 37, rubber ring 38, taper type counterbore 381, quality circles 39, quality circles portion connecting ring 391, interior pipe 4, flange 41, seal ring 42, distending groove 421, transfer pump 5, pump shaft 51, pump case 52, transfer pump body 53, motor 54, bearing 55, fueling cavity 56, first gear 58, the tooth top 581 of the first tooth, second gear 57, minor axis 571, weld seam 6, outer heat exchange sheet 7, innermost layer heat absorption plate 72-3, mesosphere heat absorption plate 72-2, outermost surface heat absorption plate 72-1, in-flanges 721, flanging 722, jack 723, magnet 73, latch 74, oil-filling mechanism 8, oil outlet 81, gas supplementing opening 82, sealing head 83, first spring 84, cylinder body 85, air cavity 851, oil pocket 852, piston 86, one-way valve 861, connecting rod 862, oil duct 87, air flue 88, interior heat exchange sheet 9, sealing head stretches out the distance L1 of the tooth top of the first gear, tooth top gap L2 between first gear and the second gear.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is further illustrated.
Embodiment one, and see Fig. 1, a kind of liquefied natural gas gasifying device being connected with interior heat exchange sheet and the outer heat exchange sheet of extension type, comprises gasifying pipe 1 and transfer pump 5.Gasifying pipe 1 is pipe.Change pipe 1 and comprise some gasification section 13 and bend section 14.Gasification section 13 and bend section 14 interval arrange and make gasifying pipe 1 form structure of turning back.The outer surface of gasification section 13 is provided with some outer heat exchange sheets 7.Outer heat exchange sheet 7 distributes along the circumference of gasification section 13.Outer heat exchange sheet 7 welds together with gasification section 13.Transfer pump 5 is existing structure.Transfer pump 5 comprises pump case 52.The two ends of pump case 52 are provided with transfer pump body 53 and motor 54.Motor 54 is speed-adjustable motor.Motor 54 rotates owing to driving transfer pump body 53.The outlet end of transfer pump body 53 links together with the entrance point 15 of gasifying pipe.
During use, the entrance point of transfer pump body 53 links together with the delivery outlet of low temperature gas holder, and the outlet end 16 of gasifying pipe links together with snorkel.Motor 54 drives the blade rotation in transfer pump body 53 to make the natural gas transport of liquid in gasifying pipe 1, when rock gas flows through gasifying pipe 1, outer heat exchange sheet 7 absorbs heat and makes natural gas gasifying, and the rock gas of gas exports to snorkel for user from the outlet end 16 of gasifying pipe.
Embodiment two, and the difference with embodiment one is:
See Fig. 2, in gasification section 13, be provided with some interior heat exchange sheets 9.Interior heat exchange sheet 9 is structure as a whole with gasification section 13 and links together.Outer heat exchange sheet 7 comprises 3 pieces of heat absorption plates.3 pieces of heat absorption plates are distributed as innermost layer heat absorption plate 72-3, mesosphere heat absorption plate 72-2 and outermost surface heat absorption plate 72-1.Between adjacent heat absorption plate 72, telescopically is set-located layer by layer.Outermost heat absorption plate 72-1 welds together with gasification section 13, separated with gasification section of remaining heat absorption plate.
See Fig. 3, transfer pump 5 comprises and also comprises pump shaft 51.Pump shaft 51 is supported in pump case 52 by two bearings 55.Fueling cavity 56 is formed between pump case 52 and two bearings 55.The first gear 58 and the second gear 57 is provided with in fueling cavity 56.First gear 58 and the second gear 57 mesh together.First gear 58 links together with pump shaft 51.Second gear 57 is rotatably connected with pump case 52 by minor axis 571.Installation cavity 511 is provided with in pump shaft 51.The shock-damping structure 3 that several distribute along pump shaft circumference is provided with in installation cavity 511.Shock-damping structure 3 comprises mounting plate 31 and quality circles 39.Mounting plate 31 and quality circles 39 are along the radially direct of pump shaft 51.
See Fig. 4, in the first gear 58, be provided with oil-filling mechanism 8.The number of oil-filling mechanism 8 is equal with the number of teeth of the first gear 58.
See Fig. 5, oil-filling mechanism 8 comprises oil outlet 81, gas supplementing opening 82, sealing head 83, first spring 84, cylinder body 85 and piston 86.The oil outlet 81 of same oil-filling mechanism and gas supplementing opening 82 are arranged on the tooth top 581 of the same tooth of the first gear 58, the tooth top of same tooth only arranges oil outlet and the gas supplementing opening of an oil-filling mechanism, and namely in the present embodiment, the tooth of oil-filling mechanism and the first gear 58 is arranged correspondingly.Sealing head 83 and the first spring 84 are arranged in oil outlet 81, stretch out tooth top 581 at the effect lower seal head 83 of the first spring 84 and seal up oil outlet.The distance L1 that sealing head stretches out the tooth top of the first gear is greater than tooth top gap L2(between the first gear and the second gear see Fig. 6).Cylinder body 85 is formed in the first gear 58 in the mode of integrative-structure, is the chamber in the first gear 58.Piston 86 slipper seal is connected to cylinder body 85.Cylinder body 85 is divided into air cavity 851 and oil pocket 852 by piston 86.Piston 86 is provided with the one-way valve 861 opened towards air cavity 851.Piston 86 is linked together with sealing head 83 by connecting rod 862.Connecting rod 862 links together with slipper seal between the first gear 58, and oil outlet 81 is disconnected with air cavity 851.Oil outlet 81 is connected with oil pocket 852 by oil duct 87.Gas supplementing opening 82 is connected with air cavity 851 by air flue 88.Oil duct 87 and air flue 88 are all be formed in the first gear 58 in the mode of integrative-structure, are the hole in the first gear 58.
See Fig. 7, shock-damping structure 3 also comprises locking nut 35, adjusting nut 34, core retainer plate 33 and the small end butterfly spring 32 towards core retainer plate.Together with locking nut 35, adjusting nut 34, core retainer plate 33, butterfly spring 32 and mounting plate 31 are connected to successively along the radial direction of pump shaft.Mounting plate 31 is connected with adjusting screw rod 36.Adjusting screw rod 36 is threaded togather with adjusting nut 34 and locking nut 35 through after butterfly spring 32 and core retainer plate 33.Rubber bushing 37 is provided with in core retainer plate 33.Core retainer plate 33 is externally connected with rubber ring 38.The outer circumferential face of core retainer plate 33 is provided with several and stretches into core retainer plate portion connecting ring 331 in rubber ring 38.Rubber ring 38 is provided with the taper type counterbore 381 pushing down butterfly spring 32.Quality circles 39 are connected to outside rubber ring 38.Quality circles 39 are made for steel.The inner peripheral surface of quality circles 39 is provided with several and stretches into quality circles portion connecting ring 391 in rubber ring 38.Shock-damping structure 3 links together with cross bar by being welded in cross bar by mounting plate 31.
See Fig. 8, each block heat absorption plate is all provided with jack 723.One end of heat absorption plate is provided with in-flanges 11, the other end is provided with flanging 722.Between adjacent heat absorption plate, prevent from being pulled out on the in-flanges 721 of another block heat absorption plate by flanging 722 clasp joint of one piece of heat absorption plate.Adsorbed by magnet 73 between in-flanges 721 and flanging 722 and be fixed together.Magnet 73 is fixed on in-flanges 721, and flanging 722 is ferromagnet.Mesosphere heat absorption plate 72-2 is the tubular structure of two ends opening.
See Fig. 2 and Fig. 1, cause gasification rate to need to change (and when heat absorption speed needs to change) when the quantity delivered of transfer pump 5 changes during use, the extended length changing outer heat exchange sheet 7 reaches requirement with the quantity of the outer heat exchange sheet be stretched to make endothermic effect.
See Fig. 9, the method for packing up outer heat exchange sheet is: compression heat absorption plate, make innermost layer heat absorption plate 72-3 be retracted in the heat absorption plate 72-2 of mesosphere, mesosphere heat absorption plate 72-2 is retracted to outermost surface heat absorption plate 72-1.Jack 723 when all heat absorption plates all can not continue shrink and be retracted to limit position, in all heat absorption plates aligns, then latch 74 is inserted jack 723, in and make outer heat exchange sheet 7 remain on contraction state.When needing to increase endothermic effect, extract latch 74, outer heat exchange sheet 7 is extended.
The process of the lubrication of the bearing in transfer pump of the present invention is:
See Fig. 6, in the process that the first gear 58 rotates, shrink in bottom surface crush seal 83 to first gear 58 of the teeth groove of the second gear 57, sealing head 83 shrinks and oil outlet 81 is opened and makes the first spring 84 energy storage.
See Fig. 5, also moved towards oil pocket 852 by connecting rod 862 driven plunger 86 when sealing head 83 shrinks, the pressure increase in oil pocket 852 is closed by one-way valve 861 and lubricant oil in oil pocket 852 flows to oil outlet 81 through oil duct 87 and flows out from oil outlet 81 and realize the lubrication to bearing 55.
When the second gear loses the squeezing action to sealing head 83, move outside the effect lower seal head 83 of the first spring 84 and oil outlet 81 is sealed up, moved towards air cavity 851 by connecting rod 862 driven plunger 86 when sealing head 83 stretches out, pressure drop in oil pocket 852 and pressure increase in air cavity 851, one-way valve 861 is opened, oil unnecessary in air and fueling cavity 56 is through gas supplementing opening 82, air flue 88 and one-way valve 861 and flow to oil pocket 852, the air pressure that pressure in oil pocket 852 can be maintained in same gear exterior is equal, so that lubricant oil can squeeze out by piston 86 when oil pocket 852 moves next time.
Embodiment three, and the difference with embodiment two is:
See Figure 10, the side face of the outlet end 16 of gasifying pipe is provided with some air outlet holes 11.The outer end of air outlet hole 11 is connected with base 12.The outlet end 16 of base 12 and gasifying pipe welds together.Interior pipe 4 is equipped with in air outlet hole 11.The inner of interior pipe 4 is provided with flange 41.Interior pipe 4 pierces in steam outlet pipe 2 through after base 12.
See Figure 11, flange 41 clasp joint is on outlet end 16 inner peripheral surface of gasifying pipe.Outlet end 16 inner peripheral surface of flange 41 and gasifying pipe links together by means of only the mode abutted.The intersection of base 12, interior pipe 4 and steam outlet pipe 2 three welds together and forms weld seam 6.Base 12, interior pipe 4 and steam outlet pipe 2 three are sealed connected together by weld seam 6.
See Figure 12, between the outer circumferential face of interior pipe 4 outer end and steam outlet pipe 2 inner peripheral surface, be provided with metallic packing ring 42.Seal ring 42 is axially provided with annular distending groove 421 away from one end of gasifying pipe 1.Distending groove 421 extends along the circumference of seal ring 42.Distending groove 421 is communicated with the inner space of interior pipe 4
Connected with pneumatic tube by steam outlet pipe 2 during use and realize the output of LNG Liquefied natural gas.
Claims (10)
1. one kind is connected with the liquefied natural gas gasifying device of interior heat exchange sheet and the outer heat exchange sheet of extension type, comprise gasifying pipe, described gasifying pipe comprises some gasification section and bend section, described gasification section and bend section interval arrange and form structure of turning back, the outer surface of described gasification section is provided with some outer heat exchange sheets, it is characterized in that, also comprise the transfer pump that the entrance point with described gasifying pipe links together, described transfer pump comprises pump case, the pump shaft being rotationally connected with pump case and the speed-adjustable motor driving pump shaft to rotate, some interior heat exchange sheets are provided with in described gasification section, described interior heat exchange sheet links together with described gasification section integrative-structure, described outer heat exchange sheet comprises at least two blocks of Heat sinks, radial telescopically along described gasification section between adjacent Heat sink connects together, described Heat sink only one block of Heat sink welds together with described gasification section.
2. the liquefied natural gas gasifying device being connected with interior heat exchange sheet and the outer heat exchange sheet of extension type according to claim 1, it is characterized in that, installation cavity is provided with in described pump shaft, shock-damping structure is provided with in described installation cavity, the described shock-damping structure radial direction comprised along described pump shaft is connected to adjusting nut together successively, core retainer plate, small end is towards the butterfly spring of core retainer plate and mounting plate, described mounting plate be connected with through after described elastomeric spring and core retainer plate with the adjusting screw rod that described adjusting nut is threaded togather, described core retainer plate is externally connected with rubber ring, described rubber ring is externally connected with quality circles, described rubber ring is provided with the taper type counterbore pushing down butterfly spring.
3. the liquefied natural gas gasifying device being connected with interior heat exchange sheet and the outer heat exchange sheet of extension type according to claim 2, is characterized in that, be provided with rubber bushing in described core retainer plate.
4. the liquefied natural gas gasifying device being connected with interior heat exchange sheet and the outer heat exchange sheet of extension type according to Claims 2 or 3, it is characterized in that, the outer circumferential face of described core retainer plate is provided with several and stretches into core retainer plate portion connecting ring in rubber ring, and the inner peripheral surface of described quality circles is provided with several and stretches into quality circles portion connecting ring in described rubber ring.
5. the liquefied natural gas gasifying device being connected with interior heat exchange sheet and the outer heat exchange sheet of extension type according to claim 1 or 2 or 3, it is characterized in that, described Heat sink is set-located layer by layer, is positioned at outermost Heat sink and welds together with described gasification section.
6. the liquefied natural gas gasifying device being connected with the outer heat exchange sheet of interior heat exchange sheet and extension type according to claim 1 or 2 or 3, it is characterized in that, described Heat sink has three pieces at least, is positioned at the tubular structure that middle Heat sink is two ends all opening.
7. the liquefied natural gas gasifying device being connected with interior heat exchange sheet and the outer heat exchange sheet of extension type according to claim 1 or 2 or 3, it is characterized in that, described Heat sink, is also provided with the magnet be fixed together by adjacent Heat sink when adjacent Heat sink is in and stretches out state between adjacent Heat sink.
8. the liquefied natural gas gasifying device being connected with interior heat exchange sheet and the outer heat exchange sheet of extension type according to claim 1 or 2 or 3, it is characterized in that, described pump shaft passes through two bearings in described pump case, fueling cavity is formed between described pump case and two bearings, the first gear and the second gear that mesh together is provided with in described fueling cavity, described first gear links together with described pump shaft, and described second gear is rotatably connected with described pump case, oil-filling mechanism is provided with in described first gear, described oil-filling mechanism comprises oil outlet, gas supplementing opening, sealing head, sealing head is driven to seal up the first spring of oil outlet, cylinder body and slipper seal are connected to the piston of cylinder body, described cylinder body is divided into air cavity and oil pocket by described piston, described piston is provided with the one-way valve opened towards air cavity, described piston is linked together with described sealing head by connecting rod, described oil outlet is connected with described oil pocket by oil duct, described gas supplementing opening is connected with described air cavity by air flue, described oil outlet is arranged at the tooth top of described first gear, the distance that described sealing head stretches out the tooth top of described first gear is greater than the tooth top gap between described first gear and the second gear.
9. the liquefied natural gas gasifying device being connected with interior heat exchange sheet and the outer heat exchange sheet of extension type according to claim 1 or 2 or 3, it is characterized in that, the side face of the outlet end of described gasifying pipe is provided with some air outlet holes, the outer end of described air outlet hole is connected with base, described base is connected with steam outlet pipe, is all fixed together by the mode of welding between described base and described gasifying pipe, between described base and described steam outlet pipe.
10. the liquefied natural gas gasifying device being connected with interior heat exchange sheet and the outer heat exchange sheet of extension type according to claim 9, it is characterized in that, interior pipe is equipped with in described air outlet hole, the inner of described interior pipe is provided with the flange of clasp joint at described gasifying pipe internal surface, described interior pipe is located in described base and steam outlet pipe, metallic packing ring is provided with between the outer circumferential face of described interior pipe outer end and steam outlet pipe inner peripheral surface, described seal ring is axially provided with annular distending groove away from one end of described gasifying pipe, described distending groove extends along the circumference of seal ring, described distending groove is communicated with the inner space of described interior pipe, described base, interior pipe and steam outlet pipe three weld together.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510379979.2A CN105257979A (en) | 2015-07-02 | 2015-07-02 | Liquefied natural gas gasifier fixedly connected with inner heat exchange fins and retractable outer heat exchange fins |
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| CN201510379979.2A CN105257979A (en) | 2015-07-02 | 2015-07-02 | Liquefied natural gas gasifier fixedly connected with inner heat exchange fins and retractable outer heat exchange fins |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60121397A (en) * | 1983-12-05 | 1985-06-28 | Yazaki Corp | Liquefied petroleum gas evaporator |
| JPS6314092A (en) * | 1986-07-03 | 1988-01-21 | Nippon Denso Co Ltd | Heat exchanger |
| CN2935724Y (en) * | 2006-07-03 | 2007-08-15 | 欣瑞联科技股份有限公司 | Heat sink with vibration-absorbing structure |
| CN103557514A (en) * | 2013-11-18 | 2014-02-05 | 孔泽学 | Box type high-voltage heater |
| CN203463537U (en) * | 2013-07-11 | 2014-03-05 | 浙江永隆机械有限公司 | Damping vibration absorber |
| CN203731919U (en) * | 2013-12-27 | 2014-07-23 | 无锡佳龙换热器股份有限公司 | Adjustable fluid radiating fin |
| CN204042810U (en) * | 2014-08-30 | 2014-12-24 | 杭州桑帝照明电器有限公司 | The radiator of the flexible radiating fin of band |
| CN204084278U (en) * | 2014-08-30 | 2015-01-07 | 杭州桑帝照明电器有限公司 | LED radiator |
| CN104471303A (en) * | 2012-07-16 | 2015-03-25 | 乔治洛德方法研究和开发液化空气有限公司 | Equipment and method for filling pressurized gas cylinders from a liquefied gas tank |
| CN104613167A (en) * | 2015-02-16 | 2015-05-13 | 盐城工学院 | Self-lubricating gear |
-
2015
- 2015-07-02 CN CN201510379979.2A patent/CN105257979A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60121397A (en) * | 1983-12-05 | 1985-06-28 | Yazaki Corp | Liquefied petroleum gas evaporator |
| JPS6314092A (en) * | 1986-07-03 | 1988-01-21 | Nippon Denso Co Ltd | Heat exchanger |
| CN2935724Y (en) * | 2006-07-03 | 2007-08-15 | 欣瑞联科技股份有限公司 | Heat sink with vibration-absorbing structure |
| CN104471303A (en) * | 2012-07-16 | 2015-03-25 | 乔治洛德方法研究和开发液化空气有限公司 | Equipment and method for filling pressurized gas cylinders from a liquefied gas tank |
| CN203463537U (en) * | 2013-07-11 | 2014-03-05 | 浙江永隆机械有限公司 | Damping vibration absorber |
| CN103557514A (en) * | 2013-11-18 | 2014-02-05 | 孔泽学 | Box type high-voltage heater |
| CN203731919U (en) * | 2013-12-27 | 2014-07-23 | 无锡佳龙换热器股份有限公司 | Adjustable fluid radiating fin |
| CN204042810U (en) * | 2014-08-30 | 2014-12-24 | 杭州桑帝照明电器有限公司 | The radiator of the flexible radiating fin of band |
| CN204084278U (en) * | 2014-08-30 | 2015-01-07 | 杭州桑帝照明电器有限公司 | LED radiator |
| CN104613167A (en) * | 2015-02-16 | 2015-05-13 | 盐城工学院 | Self-lubricating gear |
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Application publication date: 20160120 |