CN103615660A - Water bath vaporizer using waste heat energy of engine - Google Patents
Water bath vaporizer using waste heat energy of engine Download PDFInfo
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- CN103615660A CN103615660A CN201310633407.3A CN201310633407A CN103615660A CN 103615660 A CN103615660 A CN 103615660A CN 201310633407 A CN201310633407 A CN 201310633407A CN 103615660 A CN103615660 A CN 103615660A
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Abstract
The invention discloses a water bath vaporizer using waste heat energy of an engine. The water bath vaporizer using waste heat energy of the engine comprises a heat exchange cylinder, wherein a liquefied natural gas inlet and a gasified natural gas outlet are respectively formed in two ends of the heat exchange cylinder; a spiral heat exchange pipe is arranged in the heat exchange cylinder; two ends of the spiral heat exchange pipe are respectively communicated with the liquefied natural gas inlet and the gasified natural gas outlet of the heat exchange cylinder respectively; a water inlet and a water outlet are also formed in two ends of the heat exchange cylinder respectively; a liquefied natural gas storage tank is communicated with the liquefied natural gas inlet of the heat exchange cylinder through a conveying pipeline; the gasified natural gas outlet of the heat exchange cylinder is communicated with a gas temporary storage tank through the conveying pipeline; the gas temporary storage tank is connected to the engine through the conveying pipeline; a water tank is arranged beside the engine and communicated with the water inlet of the heat exchange cylinder through the conveying pipeline; the water outlet of the heat exchange cylinder is communicated with the water tank through the conveying pipeline; a pressurizing mechanism is arranged between the heat exchange cylinder and the liquefied natural gas storage tank. The water bath vaporizer using waste heat energy of the engine has the advantages of energy conservation and environment protection.
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 that utilizes engine waste heat energy.
Background technique
Present stage, the low-temperature liquefaction rock gas being stored in liquefied natural gas bottle generally changes into gasification rock gas for motor by vaporizer by LNG Liquefied natural gas, the liquified natural gas vaporizer of using at present mainly adopts the mode of electric heating element heating to provide liquefied natural gas gasifying needed energy, this vaporizer cost is high, power consumption is large, enterprise's cost of production is higher, simultaneously, motor in use can constantly produce heat energy, these heat energy are all directly to fall apart to slattern in air, have caused 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, the present invention has adopted following technological scheme: described a kind of water bath type vaporizer that utilizes engine waste heat energy, comprise: the inner heat exchange cylindrical shell for hollow structure and sealing, at the two ends of heat exchange cylindrical shell, be respectively arranged with its inside and seal mutually the LNG Liquefied natural gas import and gasification gas outlet being communicated with, in heat exchange cylindrical shell, be provided with spirality heat exchanging tube, the two ends of spirality heat exchanging tube are communicated with the sealing of gasification gas outlet with the LNG Liquefied natural gas import of heat exchange cylindrical shell respectively, one end near LNG Liquefied natural gas import on heat exchange cylindrical shell is provided with the water inlet interface being communicated with heat exchange cylindrical shell inner sealing, one end near gasification gas outlet on heat exchange cylindrical shell is provided with the water outlet mouthpiece being communicated with heat exchange cylindrical shell inner sealing, the liquid outlet of liquefied natural gas (LNG) tank is communicated with the LNG Liquefied natural gas inlet seal of heat exchange cylindrical shell by delivery line, the gasification gas outlet of heat exchange cylindrical shell is communicated with the inlet seal of gas escrow box by delivery line, the outlet of gas escrow box is connected with motor by delivery line, at the other water tank that is provided with of motor, 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 water intake sealing of water tank by delivery line, between heat exchange cylindrical shell and liquefied natural gas (LNG) tank, be also provided with the pressurizing mechanism that can increase liquefied natural gas (LNG) tank internal pressure.
Further, aforesaid a kind of water bath type vaporizer that utilizes engine waste heat energy, wherein: the structure of fast pressurizing mechanism is: at the two ends of heat exchange cylindrical shell, be also respectively arranged with its inside and seal mutually the second LNG Liquefied natural gas import and the second gasification gas outlet being communicated with, in heat exchange cylindrical shell, be also provided with forcing pipe, the two ends of forcing pipe seal and are communicated with mutually with the second gasification gas outlet with the second LNG Liquefied natural gas import respectively, the second LNG Liquefied natural gas import is sealed and is communicated with mutually with the liquid outlet of liquefied natural gas (LNG) tank by delivery line, the second gasification gas outlet is sealed and is communicated with mutually with the liquid entering hole of liquefied natural gas (LNG) tank by delivery line.
Further, aforesaid a kind of water bath type vaporizer that utilizes 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: the wasted energy hotwork producing in the time of can be by engine operation is the heat energy that makes liquefied natural gas vaporization required, not only guaranteed the heat exchange efficiency of LNG Liquefied natural gas, avoided 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 that utilizes 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 that utilizes engine waste heat energy as described in Figure 1, comprise: the inner heat exchange cylindrical shell 1 for hollow structure and sealing, a left side at heat exchange cylindrical shell 1, right two ends are respectively arranged with its inside and seal mutually the first gasification gas outlet 3 and the first LNG Liquefied natural gas import 2 being communicated with, in heat exchange cylindrical shell 1, be provided with spirality heat exchanging tube 4, the left end of spirality heat exchanging tube 4 is communicated with the first gasification gas outlet 3 sealings of heat exchange cylindrical shell 1 left end, the right-hand member of spirality heat exchanging tube 4 is communicated with the first LNG Liquefied natural gas import 2 sealings of heat exchange cylindrical shell 1 right-hand member, one end near the first LNG Liquefied natural gas import 2 on heat exchange cylindrical shell 1 is provided with the water inlet interface 5 being communicated with 1 sealing of heat exchange cylindrical shell, one end near the first gasification gas outlet 3 on heat exchange cylindrical shell 1 is provided with the water outlet mouthpiece 6 being communicated with 1 sealing of heat exchange cylindrical shell, 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 be communicated with the first LNG Liquefied natural gas import 2 sealings of heat exchange cylindrical shell 1, the 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 of being 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 that is arranged on the 3rd conveyance conduit 82, at the other water tank 12 that is provided with of motor 11, the water outlet of water tank 12 the 4th conveyance conduit 83 and the 4th control valve 93 being arranged on the 4th conveyance conduit 83 are communicated with water inlet interface 5 sealings of heat exchange cylindrical shell 1, the water outlet mouthpiece 6 of heat exchange cylindrical shell 1 is by the 5th conveyance conduit 84 and be arranged on the 5th control valve 94 on the 5th conveyance conduit 84 and be communicated with the water intake sealing of water tank 12, between heat exchange cylindrical shell 1 and liquefied natural gas (LNG) tank 7, be also provided with the pressurizing mechanism that can increase liquefied natural gas (LNG) tank 7 internal pressures, 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 its inside and seal mutually the second gasification gas outlet 13 second LNG Liquefied natural gas imports 14 that are communicated with, in heat exchange cylindrical shell 1, be also provided with forcing pipe 15, the left end of forcing pipe 15 is communicated with the second gasification gas outlet 13 sealings, the right-hand member of forcing pipe 15 is communicated with the second LNG Liquefied natural gas import 14 sealings, the second LNG Liquefied natural gas import 14 is by the 6th conveyance conduit 85 and be arranged on the 6th control valve 95 on the 6th conveyance conduit 85 and be communicated with the liquid outlet sealing of liquefied natural gas (LNG) tank 7, the second gasification gas outlet 13 is sealed and is communicated with 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.
Working principle of the present invention is as follows: the water in the continuous heating water chamber 12 of heat energy that continues in motor 11 using processs to produce, 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 after heating that is full of in heat exchange cylindrical shell 1, then make the LNG Liquefied natural gas in liquefied natural gas (LNG) tank 7 enter the spirality heat exchanging tube 4 in heat exchange cylindrical shell 1 from the first conveyance conduit 8 and the first LNG Liquefied natural gas import 2, the process of carrying from the liquid feeding end of spirality heat exchanging tube 4 outlet side to the left in LNG Liquefied natural gas, LNG Liquefied natural gas gradually absorption heat-exchange cylindrical shell 1 interior heating water heat and gradually gasification, when LNG Liquefied natural gas is delivered to the outlet side of spirality heat exchanging 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 and temporarily store from the second conveyance conduit 81, there is like this trouble free service that utilizes motor, 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, spirality heat exchanging tube 4, the 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 from the 6th conveyance conduit 85 and the second LNG Liquefied natural gas import 14 simultaneously, the process of carrying from the liquid feeding end on forcing pipe 15 right sides outlet side to the left in LNG Liquefied natural gas, LNG Liquefied natural gas gradually absorption heat-exchange cylindrical shell 1 interior heating water heat and gradually gasification, 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, gasification rock gas enters after liquefied natural gas (LNG) tank 7, not only improved the pressure in liquefied natural gas (LNG) tank 7, the circulation conveying of LNG Liquefied natural gas is more prone to, also further improved the temperature of liquefied natural gas (LNG) tank 7, avoided liquefied natural gas (LNG) tank 7 in use to occur the frost of tank surface, in the process simultaneously gasifying gradually from right to left in spirality heat exchanging tube 4 and forcing pipe 15 in LNG Liquefied natural gas, can be gradually hot water heat in absorption heat-exchange cylindrical shell 1, the interior water temperature of heat exchange cylindrical shell 1 is reduced, and the water that at this moment water temperature is lower can enter the heat energy that water tank 12, launched machine 11 produces from the 5th conveyance conduit 84 and reheat and continue on in heat exchange cylindrical shell 1, advantage of the present invention is: the wasted energy hotwork producing in the time of can be by engine operation is the heat energy that makes liquefied natural gas vaporization required, has not only guaranteed the heat exchange efficiency of LNG Liquefied natural gas, avoided the waste of energy, and device structure is simple, and enterprise's cost of production is low.
Claims (3)
- One kind utilize engine waste heat can water bath type vaporizer, comprise: the inner heat exchange cylindrical shell for hollow structure and sealing, at the two ends of heat exchange cylindrical shell, be respectively arranged with its inside and seal mutually the LNG Liquefied natural gas import and gasification gas outlet being communicated with, in heat exchange cylindrical shell, be provided with spirality heat exchanging tube, the two ends of spirality heat exchanging tube are communicated with the sealing of gasification gas outlet with the LNG Liquefied natural gas import of heat exchange cylindrical shell respectively, one end near LNG Liquefied natural gas import on heat exchange cylindrical shell is provided with the water inlet interface being communicated with heat exchange cylindrical shell inner sealing, one end near gasification gas outlet on heat exchange cylindrical shell is provided with the water outlet mouthpiece being communicated with heat exchange cylindrical shell inner sealing, it is characterized in that: the liquid outlet of liquefied natural gas (LNG) tank is communicated with the LNG Liquefied natural gas inlet seal of heat exchange cylindrical shell by delivery line, the gasification gas outlet of heat exchange cylindrical shell is communicated with the inlet seal of gas escrow box by delivery line, the outlet of gas escrow box is connected with motor by delivery line, at the other water tank that is provided with of motor, 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 water intake sealing of water tank by delivery line, between heat exchange cylindrical shell and liquefied natural gas (LNG) tank, be also provided with the pressurizing mechanism that can increase liquefied natural gas (LNG) tank internal pressure.
- According to claim 1 a kind of utilize engine waste heat can water bath type vaporizer, it is characterized in that: the structure of fast pressurizing mechanism is: at the two ends of heat exchange cylindrical shell, be also respectively arranged with its inside and seal mutually the second LNG Liquefied natural gas import and the second gasification gas outlet being communicated with, in heat exchange cylindrical shell, be also provided with forcing pipe, the two ends of forcing pipe seal and are communicated with mutually with the second gasification gas outlet with the second LNG Liquefied natural gas import respectively, the second LNG Liquefied natural gas import is sealed and is communicated with mutually with the liquid outlet of liquefied natural gas (LNG) tank by delivery line, the second gasification gas outlet is sealed and is communicated with mutually with the liquid entering hole of liquefied natural gas (LNG) tank by delivery line.
- 3. a kind of water bath type vaporizer that utilizes 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 true CN103615660A (en) | 2014-03-05 |
| CN103615660B CN103615660B (en) | 2015-12-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019356A (en) * | 2014-05-30 | 2014-09-03 | 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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| US20080226463A1 (en) * | 2005-11-10 | 2008-09-18 | Greg Batenburg | System And Method For Delivering A Pressurized Gas From A Cryogenic Storage Vessel |
| 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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2013
- 2013-12-03 CN CN201310633407.3A patent/CN103615660B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20080226463A1 (en) * | 2005-11-10 | 2008-09-18 | Greg Batenburg | System And Method For Delivering A Pressurized Gas From A Cryogenic Storage Vessel |
| 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 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019356A (en) * | 2014-05-30 | 2014-09-03 | 东风商用车有限公司 | Waste gas heating type vaporizer |
| 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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| CN103615660B (en) | 2015-12-30 |
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