CN103615660B - A kind of water bath type vaporizer utilizing engine waste heat energy - Google Patents
A kind of water bath type vaporizer utilizing engine waste heat energy Download PDFInfo
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- CN103615660B CN103615660B CN201310633407.3A CN201310633407A CN103615660B CN 103615660 B CN103615660 B CN 103615660B CN 201310633407 A CN201310633407 A CN 201310633407A CN 103615660 B CN103615660 B CN 103615660B
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Abstract
The invention discloses a kind of water bath type vaporizer utilizing engine waste heat energy, comprise: heat exchange cylindrical shell, Liquid natural gas inlet and gasification gas outlet is arranged with at the two ends of heat exchange cylindrical shell, spiral heat exchange tube is provided with in heat exchange cylindrical shell, the two ends of spiral heat exchange tube are communicated with gasification gas outlet with the Liquid natural gas inlet of heat exchange cylindrical shell respectively, heat exchange cylindrical shell two ends are also arranged with into water interface and water outlet mouthpiece, liquefied natural gas (LNG) tank is communicated with by the Liquid natural gas inlet of delivery line with heat exchange cylindrical shell, the gasification gas outlet of heat exchange cylindrical shell is communicated with gas escrow box by delivery line, gas escrow box is connected with motor by delivery line, motor is other is provided with water tank, water tank is by the water inlet orifice of delivery line and heat exchange cylindrical shell, the water outlet mouthpiece of heat exchange cylindrical shell is communicated with water tank by delivery line, pressurizing mechanism is provided with between heat exchange cylindrical shell and liquefied natural gas (LNG) tank.The present invention has the advantage of energy-conserving and environment-protective.
Description
Technical field
The present invention relates to liquefied natural gas vaporizing apparatus technical field, be specifically related to a kind of water bath type vaporizer utilizing engine waste heat energy.
Background technique
Present stage, LNG Liquefied natural gas is generally changed into gasification rock gas for motor by vaporizer by the low-temperature liquefaction rock gas be stored in liquefied natural gas bottle, the mode that the liquified natural gas vaporizer used at present mainly adopts electric heating element to heat is to provide the energy required for liquefied natural gas gasifying, this vaporizer cost is high, power consumption is large, enterprise's cost of production is higher, simultaneously, motor in use constantly can produce heat energy, these heat energy are all directly fall apart to slattern in air, cause the waste of the energy.
Summary of the invention
The object of this invention is to provide that a kind of cost is lower, energy-conserving and environment-protective a kind of utilize engine waste heat can water bath type vaporizer.
For achieving the above object, present invention employs following technological scheme: described a kind of water bath type vaporizer utilizing engine waste heat energy, comprise: inside is hollow structure and the heat exchange cylindrical shell of sealing, be respectively arranged with at the two ends of heat exchange cylindrical shell and seal the Liquid natural gas inlet be communicated with and the gas outlet that gasifies mutually with its inside, spiral heat exchange tube is provided with in heat exchange cylindrical shell, the two ends of spiral heat exchange tube seal with gasification gas outlet with the Liquid natural gas inlet of heat exchange cylindrical shell respectively and are communicated with, one end near Liquid natural gas inlet on heat exchange cylindrical shell is provided with the water inlet interface be communicated with heat exchange cylindrical shell inner sealing, heat exchange cylindrical shell is provided with near one end of gasification gas outlet the water outlet mouthpiece be communicated with heat exchange cylindrical shell inner sealing, the liquid outlet of liquefied natural gas (LNG) tank to be sealed with the Liquid natural gas inlet of heat exchange cylindrical shell by delivery line and is communicated with, the gasification gas outlet of heat exchange cylindrical shell is communicated with by the inlet seal of delivery line with gas escrow box, the outlet of gas escrow box is connected with motor by delivery line, motor side is provided with water tank, the water outlet of water tank is communicated with the water inlet sealing joint of heat exchange cylindrical shell by delivery line, the water outlet mouthpiece of heat exchange cylindrical shell is communicated with the inlet seal of water tank by delivery line, the pressurizing mechanism that can increase liquefied natural gas (LNG) tank internal pressure is also provided with between heat exchange cylindrical shell and liquefied natural gas (LNG) tank.
Further, aforesaid a kind of water bath type vaporizer utilizing engine waste heat energy, wherein: the structure of fast pressurizing mechanism is: be also respectively arranged with at the two ends of heat exchange cylindrical shell and seal the second Liquid natural gas inlet and second be communicated with its inside mutually and to gasify gas outlet, also forcing pipe is provided with in heat exchange cylindrical shell, the two ends of the forcing pipe gas outlet that gasifies with the second Liquid natural gas inlet and second respectively seals mutually and is communicated with, second Liquid natural gas inlet to be sealed mutually with the liquid outlet of liquefied natural gas (LNG) tank by delivery line and is communicated with, second gasification gas outlet to be sealed mutually with the liquid entering hole of liquefied natural gas (LNG) tank by delivery line and is communicated with.
Further, aforesaid a kind of water bath type vaporizer utilizing engine waste heat energy, wherein: described delivery line comprises conveyance conduit and is arranged on the control valve on conveyance conduit.
By the enforcement of technique scheme, the invention has the beneficial effects as follows: can by the wasted energy hotwork produced during engine operation for making the heat energy needed for liquefied natural gas vaporization, not only ensure that the heat exchange efficiency of LNG Liquefied natural gas, avoid the waste of energy, and device structure is simple, enterprise's cost of production is low.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation utilizing the water bath type vaporizer of engine waste heat energy of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
A kind of water bath type vaporizer utilizing engine waste heat energy as described in Figure 1, comprise: inside is hollow structure and the heat exchange cylindrical shell 1 of sealing, on a left side for heat exchange cylindrical shell 1, right two ends are respectively arranged with and seal first gasifying gas outlet 3 and the first Liquid natural gas inlet 2 of being communicated with its inside mutually, spiral heat exchange tube 4 is provided with in heat exchange cylindrical shell 1, left end and first of heat exchange cylindrical shell 1 left end of spiral heat exchange tube 4 gas outlet 3 that gasifies seals and is communicated with, the right-hand member of spiral heat exchange tube 4 seals with the first Liquid natural gas inlet 2 of heat exchange cylindrical shell 1 right-hand member and is communicated with, heat exchange cylindrical shell 1 is provided with near one end of the first Liquid natural gas inlet 2 and seals with heat exchange cylindrical shell 1 the water inlet interface 5 be communicated with, heat exchange cylindrical shell 1 is provided with near one end of the first gasification gas outlet 3 and seals with heat exchange cylindrical shell 1 water outlet mouthpiece 6 be communicated with, the liquid outlet of liquefied natural gas (LNG) tank 7 is by the first conveyance conduit 8 and be arranged on the first control valve 9 on the first conveyance conduit 8 and seal with the first Liquid natural gas inlet 2 of heat exchange cylindrical shell 1 and be communicated with, first gasification gas outlet 3 of heat exchange cylindrical shell 1 is communicated with the inlet seal of gas escrow box 10 by the second conveyance conduit 81 and the second control valve 91 be arranged on the second conveyance conduit 81, the outlet of gas escrow box 10 is connected with motor 11 by the 3rd conveyance conduit 82 and the 3rd control valve 92 be arranged on the 3rd conveyance conduit 82, motor 11 side is provided with water tank 12, water outlet the 4th conveyance conduit 83 of water tank 12 and be arranged on the 4th control valve 93 on the 4th conveyance conduit 83 and seal with the water inlet interface 5 of heat exchange cylindrical shell 1 and be communicated with, the water outlet mouthpiece 6 of heat exchange cylindrical shell 1 is communicated with the inlet seal of water tank 12 by the 5th conveyance conduit 84 and the 5th control valve 94 be arranged on the 5th conveyance conduit 84, the pressurizing mechanism that can increase liquefied natural gas (LNG) tank 7 internal pressure is also provided with between heat exchange cylindrical shell 1 and liquefied natural gas (LNG) tank 7, in the present embodiment, the structure of described pressurizing mechanism is: on a left side for heat exchange cylindrical shell 1, right two ends are respectively arranged with and seal second gasifying gas outlet 13 second Liquid natural gas inlet 14 of being communicated with its inside mutually, forcing pipe 15 is also provided with in heat exchange cylindrical shell 1, the left end and second of forcing pipe 15 gas outlet 13 that gasifies seals and is communicated with, the right-hand member of forcing pipe 15 seals with the second Liquid natural gas inlet 14 and is communicated with, second Liquid natural gas inlet 14 to be sealed with the liquid outlet of liquefied natural gas (LNG) tank 7 by the 6th conveyance conduit 85 and the 6th control valve 95 that is arranged on the 6th conveyance conduit 85 and is communicated with, second gasification gas outlet 13 to be sealed mutually with the liquid entering hole of liquefied natural gas (LNG) tank 7 by the 7th conveyance conduit 86 and the 7th control valve 96 that is arranged on the 7th conveyance conduit 86 and is communicated with.
Working principle of the present invention is as follows: continue the water in the continuous heating water chamber 12 of heat energy produced in motor 11 using process, water in water tank 12 after heating enters heat exchange cylindrical shell 1 from the 4th conveyance conduit 83 and water inlet interface 5, make the water be full of after heating in heat exchange cylindrical shell 1, then the LNG Liquefied natural gas in liquefied natural gas (LNG) tank 7 is made to enter spiral heat exchange tube 4 in heat exchange cylindrical shell 1 from the first conveyance conduit 8 and the first Liquid natural gas inlet 2, the process of LNG Liquefied natural gas from the liquid feeding end outlet side conveying to the left of spiral heat exchange tube 4, LNG Liquefied natural gas gradually in absorption heat-exchange cylindrical shell 1 heating water heat and gasify gradually, when LNG Liquefied natural gas is delivered to the outlet side of spiral heat exchange tube 4, LNG Liquefied natural gas can be gasified totally into gasification rock gas, then the rock gas that gasifies can enter gas escrow box 10 from the second conveyance conduit 81 and temporarily store, there is the trouble free service utilizing motor like this, gasification rock gas in gas escrow box 10 enters motor 11 for motor 11 from the 3rd conveyance conduit 82 again, in LNG Liquefied natural gas from the first conveyance conduit 8, spiral heat exchange tube 4, second conveyance conduit 81, gas escrow box 10 and the 3rd conveyance conduit 82 enter in the process of motor 11, LNG Liquefied natural gas in liquefied natural gas (LNG) tank 7 can enter the forcing pipe 15 in heat exchange cylindrical shell 1 simultaneously from the 6th conveyance conduit 85 and the second Liquid natural gas inlet 14, the process of the liquid feeding end outlet side conveying to the left of LNG Liquefied natural gas on the right side of forcing pipe 15, LNG Liquefied natural gas gradually in absorption heat-exchange cylindrical shell 1 heating water heat and gasify gradually, when LNG Liquefied natural gas is delivered to the outlet side of forcing pipe 15, LNG Liquefied natural gas can be gasified totally into gasification rock gas, then the rock gas that gasifies can enter liquefied natural gas (LNG) tank 7 from the second gasification gas outlet 13 and the 7th conveyance conduit 86, after gasification rock gas enters liquefied natural gas (LNG) tank 7, not only increase the pressure in liquefied natural gas (LNG) tank 7, the circulation of LNG Liquefied natural gas is carried be more prone to, also the temperature of liquefied natural gas (LNG) tank 7 is further increased, avoid the frost that tank surface in use appears in liquefied natural gas (LNG) tank 7, in the process simultaneously gasified gradually from right to left in spiral heat exchange tube 4 with forcing pipe 15 in LNG Liquefied natural gas, can hot water heat gradually in absorption heat-exchange cylindrical shell 1, water temperature in heat exchange cylindrical shell 1 is reduced, and the water that at this moment water temperature is lower can enter water tank 12 from the 5th conveyance conduit 84 and reheated by the heat energy that motor 11 produces and continue on in heat exchange cylindrical shell 1, advantage of the present invention is: by the wasted energy hotwork produced during engine operation for making the heat energy needed for liquefied natural gas vaporization, not only ensure that the heat exchange efficiency of LNG Liquefied natural gas, avoiding the waste of energy, and device structure is simple, and enterprise's cost of production is low.
Claims (3)
1. one kind utilizes the water bath type vaporizer of engine waste heat energy, comprise: inside is hollow structure and the heat exchange cylindrical shell of sealing, be respectively arranged with at the two ends of heat exchange cylindrical shell and seal the Liquid natural gas inlet be communicated with and the gas outlet that gasifies mutually with its inside, spiral heat exchange tube is provided with in heat exchange cylindrical shell, the two ends of spiral heat exchange tube seal with gasification gas outlet with the Liquid natural gas inlet of heat exchange cylindrical shell respectively and are communicated with, one end near Liquid natural gas inlet on heat exchange cylindrical shell is provided with the water inlet interface be communicated with heat exchange cylindrical shell inner sealing, heat exchange cylindrical shell is provided with near one end of gasification gas outlet the water outlet mouthpiece be communicated with heat exchange cylindrical shell inner sealing, it is characterized in that: the liquid outlet of liquefied natural gas (LNG) tank to be sealed with the Liquid natural gas inlet of heat exchange cylindrical shell by delivery line and is communicated with, the gasification gas outlet of heat exchange cylindrical shell is communicated with by the inlet seal of delivery line with gas escrow box, the outlet of gas escrow box is connected with motor by delivery line, motor side is provided with water tank, the water outlet of water tank is communicated with the water inlet sealing joint of heat exchange cylindrical shell by delivery line, the water outlet mouthpiece of heat exchange cylindrical shell is communicated with the inlet seal of water tank by delivery line, the pressurizing mechanism that can increase liquefied natural gas (LNG) tank internal pressure is also provided with between heat exchange cylindrical shell and liquefied natural gas (LNG) tank.
2. a kind of water bath type vaporizer utilizing engine waste heat energy according to claim 1, it is characterized in that: the structure of described pressurizing mechanism is: be also respectively arranged with at the two ends of heat exchange cylindrical shell and seal the second Liquid natural gas inlet and second be communicated with its inside mutually and to gasify gas outlet, also forcing pipe is provided with in heat exchange cylindrical shell, the two ends of the forcing pipe gas outlet that gasifies with the second Liquid natural gas inlet and second respectively seals mutually and is communicated with, second Liquid natural gas inlet to be sealed mutually with the liquid outlet of liquefied natural gas (LNG) tank by delivery line and is communicated with, second gasification gas outlet to be sealed mutually with the liquid entering hole of liquefied natural gas (LNG) tank by delivery line and is communicated with.
3. a kind of water bath type vaporizer utilizing engine waste heat energy according to claim 1 and 2, is characterized in that: described delivery line comprises conveyance conduit and is arranged on the control valve on conveyance conduit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310633407.3A CN103615660B (en) | 2013-12-03 | 2013-12-03 | A kind of water bath type vaporizer utilizing engine waste heat energy |
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| CN201310633407.3A CN103615660B (en) | 2013-12-03 | 2013-12-03 | A kind of water bath type vaporizer utilizing engine waste heat energy |
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| CN103615660A CN103615660A (en) | 2014-03-05 |
| CN103615660B true CN103615660B (en) | 2015-12-30 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104019356B (en) * | 2014-05-30 | 2015-12-30 | 东风商用车有限公司 | Waste gas heating type vaporizer |
| CN106610028A (en) * | 2017-01-06 | 2017-05-03 | 张家港市华地机械装备有限公司 | Electric heating type CNG (compressed natural gas) heater |
| CN111649232A (en) * | 2020-07-07 | 2020-09-11 | 苏州料金气体有限公司 | Vaporization device of liquefied gas storage tank |
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| CN102644534A (en) * | 2012-05-07 | 2012-08-22 | 湖北三江船艇科技有限公司 | Starting system for non-cyclical water-cooling single liquefied natural gas fuel engine |
| CN202441512U (en) * | 2012-03-08 | 2012-09-19 | 宁波明欣化工机械有限责任公司 | Automobile gas fuel saturation process control device |
| CN102840057A (en) * | 2012-09-07 | 2012-12-26 | 张家港富瑞特种装备股份有限公司 | Self-boosting device of gas cylinder used for liquefied natural gas vehicle and boosting method thereof |
| CN203202609U (en) * | 2013-03-21 | 2013-09-18 | 宁波明欣化工机械有限责任公司 | Integrated vaporization pressure stabilizer |
| CN203571424U (en) * | 2013-12-03 | 2014-04-30 | 张家港市华地机械装备有限公司 | Water bath type carburetor by using waste heat energy of engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CA2523732C (en) * | 2005-11-10 | 2007-09-18 | Westport Research Inc. | System and method for delivering a pressurized gas from a cryogenic storage vessel |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202441512U (en) * | 2012-03-08 | 2012-09-19 | 宁波明欣化工机械有限责任公司 | Automobile gas fuel saturation process control device |
| CN102644534A (en) * | 2012-05-07 | 2012-08-22 | 湖北三江船艇科技有限公司 | Starting system for non-cyclical water-cooling single liquefied natural gas fuel engine |
| CN102840057A (en) * | 2012-09-07 | 2012-12-26 | 张家港富瑞特种装备股份有限公司 | Self-boosting device of gas cylinder used for liquefied natural gas vehicle and boosting method thereof |
| CN203202609U (en) * | 2013-03-21 | 2013-09-18 | 宁波明欣化工机械有限责任公司 | Integrated vaporization pressure stabilizer |
| CN203571424U (en) * | 2013-12-03 | 2014-04-30 | 张家港市华地机械装备有限公司 | Water bath type carburetor by using waste heat energy of engine |
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