CN204852912U - Circulating cryogenic liquids gasification equipment - Google Patents
Circulating cryogenic liquids gasification equipment Download PDFInfo
- Publication number
- CN204852912U CN204852912U CN201520503678.1U CN201520503678U CN204852912U CN 204852912 U CN204852912 U CN 204852912U CN 201520503678 U CN201520503678 U CN 201520503678U CN 204852912 U CN204852912 U CN 204852912U
- Authority
- CN
- China
- Prior art keywords
- liquid
- vaporizer
- gasification
- accumulating device
- pipe
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model provides a circulating cryogenic liquids gasification equipment, relate to cryogenic liquids gasification equipment technical field, including vaporizer and hydrops ware, the access connection of vaporizer has the female pipe of feed liquor, the export and the air inlet of hydrops ware of vaporizer are connected, be equipped with the gas outlet on the hydrops ware, time liquid mouth of hydrops ware passes through back the access connection of liquid pipeline and vaporizer, so that the liquid in the hydrops ware can be got back to in the vaporizer, still be equipped with the bypass pipeline that is used for to replenishing liquid in the hydrops ware on the hydrops ware, fluid passage time liquid pipeline and bypass pipeline in the hydrops ware remain the liquid level within range of setting for throughout, so that be in the gas -liquid balanced state under the operating pressure in the hydrops ware all the time. The utility model discloses can make export gas temperature control in a stable temperature range, provide the guarantee for subsequent temperature accurate control.
Description
Technical field
The utility model relates to cryogenic liquide gasification installation technical field, particularly relates to a kind of circulating cryogenic liquide gasification installation.
Background technique
In cryogenic liquide gasification, air-heating type gasifier is conventional a kind of pattern, and the vaporizer of this pattern has the advantage that structure is simple, be convenient to maintenance, and shortcoming is that the intensity of gasification is not high, affect by gas temperature comparatively large, the incomplete situation of gasification can be caused under harsh operating mode.
In the prior art, for cryogenic liquide gasification temperature accurately control aspect, generally that gas is by being heated to the temperature of setting again through heater after vaporizer, because gasifier exit gas temperature can change along with air temperature variations, larger by weather effect, temperature fluctuation can be caused large, thus affect following temperature adjustment, gasification temperature can not be made to control in a comparatively stable temperature range.
Model utility content
The purpose of this utility model is to provide a kind of circulating cryogenic liquide gasification installation, and to overcome, conventional air-heating type gasifier Outlet Gas Temperature fluctuation is large, the problem that can not control in a stable temperature range.
For achieving the above object, the technical solution of the utility model is: a kind of circulating cryogenic liquide gasification installation, comprise vaporizer and liquid accumulating device, the import of vaporizer is connected with feed liquor mother pipe, the outlet of vaporizer is connected with the suction port of liquid accumulating device, liquid accumulating device is provided with gas outlet, the liquid return hole of liquid accumulating device is connected with the import of vaporizer by liquid return pipe road, get back in vaporizer to enable the liquid in liquid accumulating device, liquid accumulating device is also provided with for the bypass duct to liquid make-up in liquid accumulating device, liquid in liquid accumulating device remains within the scope of the liquid level of setting by liquid return pipe road and bypass duct, to make the vapor liquid equilibrium state be in all the time in liquid accumulating device under working pressure.
Described gasification installation also comprises control system, liquid level sensor and controller is provided with in control system, liquid level sensor is for detecting the liquid level information in liquid accumulating device, the liquid level signal of controller receiving liquid level sensor, and level sensing value is compared with level set value: when level sensing value is more than or equal to the highest level set value, controller makes the conducting of liquid return pipe road, makes the liquid in liquid accumulating device get back in vaporizer; When level sensing value is less than or equal to minimum liquid level setting value, controller makes bypass duct conducting, with to liquid make-up in liquid accumulating device.
Described liquid return pipe road is provided with recycle pump and solenoid valve II, and bypass duct is provided with solenoid valve I.
Described vaporizer comprises upper header, lower collecting box and multiple gasification pipe, the liquid being delivered to vaporizer collects by upper header, and by Liquid distribution to each gasification pipe, liquid in vaporizer carries out heat exchange and generating gasification in each gasification pipe, gas collection in each gasification pipe in lower collecting box, and is entered in liquid accumulating device by the outlet that lower collecting box is arranged.
Further, described upper header and gasification pipe joint are provided with liquid distribution device, and liquid distribution device disperses the liquid entered in gasification pipe, and make the liquid of dispersion entirety enter gasification pipe in certain rotation direction.Be provided with multiple fluid passage side by side from top to bottom in described liquid distribution device, outlet its import relative of each fluid passage all departs from vertical direction and arranges, and departs from equal angular all with the sun or counterclockwise in horizontal plane.
Further, the inwall of described gasification pipe is provided with screw thread, flows in a spiral manner in order to make the liquid entered in gasification pipe and carry out heat exchange.The rotation direction of described gasification pipe internal thread is consistent with from the rotation direction of liquid distribution device liquid out.
Beneficial effect:
1, the employing of liquid accumulating device adds operating mode Applicable scope of the present utility model, by stablizing of liquid level in control liquid accumulating device, make to be in all the time in liquid accumulating device the vapor liquid equilibrium state under working pressure, thus make the exit gas of vaporizer can control after liquid accumulating device in a metastable temperature range, for follow-up temperature accurately controls to provide guarantee, be particularly suitable for the system that cryogenic gas needs accurate temperature to control.
2, screw type liquid distribution apparatus of the present utility model can make cryogenic liquide be uniformly distributed in vaporizer inner surface of pipeline according to certain rotating direction angle, increases area of contact, and forms turbulent flow, enhances heat-transfer effect.Vaporizer pipeline have employed internal spiral pipeline, coordinates screw type liquid sparger, further enhances heat transfer characteristic, improve heat transfer effect, thus improve the intensity of gasification of vaporizer.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of liquid distribution device of the present utility model;
Fig. 3 is the A direction view of Fig. 2.
Be labeled as in figure: 1-1, safety check I, 1-2, safety check II, 2, feed liquor mother pipe, 3, upper header, 4, gasification pipe, 5, lower collecting box, 6, liquid accumulating device, 7, recycle pump, 8-1, solenoid valve I, 8-2, solenoid valve II, 9, liquid distribution device, 9-1, fluid passage, 10, controller.
specific implementation method
As shown in Figure 1, a kind of circulating cryogenic liquide gasification installation, comprise vaporizer and liquid accumulating device 6, vaporizer comprises upper header 3, lower collecting box 5 and multiple gasification pipe 4, upper header 3 and lower collecting box 5 are designed to the pipeline configuration of closed at both ends respectively, both tube walls are equipped with multiple perforate, the number of perforate is identical with the number of gasification pipe 4, in order to connect gasification pipe 4, upper header 3 is provided with vaporizer import, vaporizer import is connected with the female pipe 2 of feed liquor, lower collecting box 5 is provided with gasifier exit, gasifier exit is connected with the suction port of liquid accumulating device 6, the liquid being delivered to vaporizer collects by upper header 3, and by Liquid distribution to each gasification pipe 4, liquid in vaporizer carries out heat exchange and generating gasification in each gasification pipe 4, gas collection in each gasification pipe 4 is in lower collecting box 5, and enter in liquid accumulating device 6 by the outlet that lower collecting box 5 is arranged, enter into the gas outlet outflow that the gas in liquid accumulating device 6 is arranged from liquid accumulating device 6 top.
Liquid accumulating device 6 is provided with liquid return hole, liquid return hole place is provided with a connecting tube, this connecting tube is connected on the female pipe 2 of feed liquor by two-way pipeline in parallel respectively, the entrance point of the female pipe 2 of feed liquor is provided with safety check I 1-1, wherein a road pipeline (being called pipeline II) is provided with recycle pump 7, solenoid valve II 8-2 and safety check II 1-2, liquid in liquid accumulating device 6 is got back in vaporizer through the female pipe 2 of the connecting tube at its liquid return hole place, pipeline II and part feed liquor successively, and the pipeline that this process liquids flows through forms liquid return pipe road; Another road pipeline (being called pipeline I) is provided with solenoid valve I 8-1, solenoid valve I 8-1 opens, the connecting tube of the cryogenic liquide that the female pipe 2 of feed liquor transports through pipeline I and liquid accumulating device 6 liquid return hole place is to liquid make-up in liquid accumulating device 6, and the connecting tube at the female pipe 2 of part feed liquor, pipeline I and liquid accumulating device 6 liquid return hole place forms bypass duct.Due to the effect of safety check I 1-1 and safety check II 1-2, the flow direction of liquid return pipe road and bypass duct inner fluid is single.Liquid in liquid accumulating device 6 remains within the scope of the liquid level of setting by liquid return pipe road and bypass duct, to make the vapor liquid equilibrium state be in all the time in liquid accumulating device 6 under working pressure, thus ensure from the temperature stabilization of effluent air in liquid accumulating device 6 within the scope of a stationary temperature.Gasification temperature and the pressure of cryogenic liquide have one-to-one relationship, and namely under a given pressure, cryogenic liquide gas-liquid two-phase temperature is fixing, thus under can maintaining vapor-liquid equilibrium state, liquid accumulating device Outlet Gas Temperature is constant.
The conducting of liquid return pipe road and bypass duct is controlled by control system, liquid level sensor and controller is provided with in control system, liquid level sensor is for detecting the liquid level information in liquid accumulating device, the liquid level signal of controller 10 receiving liquid level sensor, and level sensing value is compared with level set value: when level sensing value is more than or equal to the highest level set value, controller makes that recycle pump 7 starts, solenoid valve II 8-2 opens, the conducting of liquid return pipe road, and the liquid in liquid accumulating device is got back in vaporizer; When level sensing value is less than or equal to minimum liquid level setting value, controller makes solenoid valve I 8-1 open, bypass duct conducting, liquid make-up in liquid accumulating device.
As shown in Figures 2 and 3, further, described upper header 3 is provided with liquid distribution device 9 with gasification pipe 4 joint, multiple fluid passage 9-1 is provided with from top to bottom side by side in liquid distribution device 9, outlet its import relative of each fluid passage 9-1 all departs from vertical direction and arranges, and departs from equal angular all with the sun or counterclockwise in horizontal plane.Liquid distribution device 9 of the present utility model disperses the liquid entered in gasification pipe 4, and make the liquid of dispersion entirety enter gasification pipe 4 in certain rotation direction, liquid can be evenly distributed on the inwall of gasification pipe 4 according to certain rotating direction angle, increase area of contact, form turbulent flow, enhance heat-transfer effect.Further, gasification pipe 4 adopts three-dimensional internal spiral structure, the inwall of gasification pipe 4 is provided with screw thread, the liquid entered in gasification pipe is flowed in a spiral manner and carries out heat exchange, the rotation direction of gasification pipe internal thread is consistent with from the rotation direction of liquid distribution device liquid out, the inclination angle of screw thread is consistent with the inclination angle that liquid enters gasification pipe from liquid distribution device, the gasification pipe of the utility model female thread structure and liquid distribution device with the use of, the turbulent flow of cryogenic liquide in gasification pipe can be increased further, forced heat exchanging characteristic, improve heat transfer effect.
Described bypass duct solenoid valve 8-1 is that vaporizer starts when initial launch or operating conditions depart from setting operating mode, to ensure that system is normally run.In system initial start up phase, open bypass duct solenoid 8-1, cryogenic liquide enters in liquid accumulating device 6, until close bypass duct when reaching initial liquid level H0.Gas in gasification pipe 4 enters liquid accumulating device 6 by lower collecting box 5, and after carrying out heat exchange with the cryogenic liquide in liquid accumulating device 6, effluent air temperature is the saturation temperature under working pressure.When vaporization ability overrate, in liquid accumulating device 6, cryogenic liquide is constantly gasified, and is low to moderate low limit value H2(and minimum liquid level setting value at liquid level) time, open bypass duct solenoid 8-1, liquid in liquid accumulating device 6 is supplemented.
When supplied cryogenic liquide exceedes the normal vaporization ability of vaporizer, the solenoid valve 8-1 of bypass duct is in closed condition, the medium entered in liquid accumulating device 6 by lower collecting box 5 is solution-airmixture, liquid in liquid accumulating device 6 can be assembled gradually, when exceeding liquid accumulating device high-value H1(i.e. the highest level set value) time, recycle pump 7 and solenoid valve 8-2 open simultaneously, and the cryogenic liquide in liquid accumulating device enters vaporizer cycle gasification through liquid return pipe road, until the liquid in liquid accumulating device reaches the position of regulation.When liquid return pipe road is opened, the liquid that safety check 1-1 prevents pressure higher refluxes to the female pipe 2 of feed liquor.
Outlet Gas Temperature after the utility model can ensure cryogenic liquide gasification under various operating mode is in a stable temperature range, fluctuates less, is almost a steady state value.Avoid the problem that the Outlet Gas Temperature fluctuation of common vaporizer is large, unstable, for the accurate control of gas temperature provides precondition.
Claims (8)
1. a circulating cryogenic liquide gasification installation, it is characterized in that: comprise vaporizer and liquid accumulating device, the import of vaporizer is connected with feed liquor mother pipe, the outlet of vaporizer is connected with the suction port of liquid accumulating device, liquid accumulating device is provided with gas outlet, the liquid return hole of liquid accumulating device is connected with the import of vaporizer by liquid return pipe road, get back in vaporizer to enable the liquid in liquid accumulating device, liquid accumulating device is also provided with for the bypass duct to liquid make-up in liquid accumulating device, liquid in liquid accumulating device remains within the scope of the liquid level of setting by liquid return pipe road and bypass duct, to make the vapor liquid equilibrium state be in all the time in liquid accumulating device under working pressure.
2. a kind of circulating cryogenic liquide gasification installation as claimed in claim 1, it is characterized in that: described vaporizer comprises upper header, lower collecting box and multiple gasification pipe, the liquid being delivered to vaporizer collects by upper header, and by Liquid distribution to each gasification pipe, liquid in vaporizer carries out heat exchange and generating gasification in each gasification pipe, gas collection in each gasification pipe in lower collecting box, and is entered in liquid accumulating device by the outlet that lower collecting box is arranged.
3. a kind of circulating cryogenic liquide gasification installation as claimed in claim 2, it is characterized in that: described upper header and gasification pipe joint are provided with liquid distribution device, liquid distribution device disperses the liquid entered in gasification pipe, and makes the liquid of dispersion entirety enter gasification pipe in certain rotation direction.
4. a kind of circulating cryogenic liquide gasification installation as claimed in claim 3, it is characterized in that: in described liquid distribution device, be provided with multiple fluid passage side by side from top to bottom, outlet its import relative of each fluid passage all departs from vertical direction and arranges, and departs from equal angular all with the sun or counterclockwise in horizontal plane.
5. the circulating cryogenic liquide gasification installation of the one as described in claim 3 or 4, is characterized in that: the inwall of described gasification pipe is provided with screw thread, flows in a spiral manner and carry out heat exchange in order to make the liquid entered in gasification pipe.
6. a kind of circulating cryogenic liquide gasification installation as claimed in claim 5, is characterized in that: the rotation direction of described gasification pipe internal thread is consistent with from the rotation direction of liquid distribution device liquid out.
7. a kind of circulating cryogenic liquide gasification installation as claimed in claim 1, it is characterized in that: also comprise control system, liquid level sensor and controller is provided with in control system, liquid level sensor is for detecting the liquid level information in liquid accumulating device, the liquid level signal of controller receiving liquid level sensor, and level sensing value is compared with level set value: when level sensing value is more than or equal to the highest level set value, controller makes the conducting of liquid return pipe road, makes the liquid in liquid accumulating device get back in vaporizer; When level sensing value is less than or equal to minimum liquid level setting value, controller makes bypass duct conducting, with to liquid make-up in liquid accumulating device.
8. a kind of circulating cryogenic liquide gasification installation as claimed in claim 7, is characterized in that: described liquid return pipe road is provided with recycle pump and solenoid valve II, and bypass duct is provided with solenoid valve I.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520503678.1U CN204852912U (en) | 2015-07-14 | 2015-07-14 | Circulating cryogenic liquids gasification equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520503678.1U CN204852912U (en) | 2015-07-14 | 2015-07-14 | Circulating cryogenic liquids gasification equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204852912U true CN204852912U (en) | 2015-12-09 |
Family
ID=54743457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520503678.1U Withdrawn - After Issue CN204852912U (en) | 2015-07-14 | 2015-07-14 | Circulating cryogenic liquids gasification equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204852912U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020578A (en) * | 2015-07-14 | 2015-11-04 | 河南科技大学 | Circular type low-temperature liquid gasification device |
-
2015
- 2015-07-14 CN CN201520503678.1U patent/CN204852912U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020578A (en) * | 2015-07-14 | 2015-11-04 | 河南科技大学 | Circular type low-temperature liquid gasification device |
| CN105020578B (en) * | 2015-07-14 | 2017-07-28 | 河南科技大学 | A kind of circulating cryogenic liquid gasification installation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204852912U (en) | Circulating cryogenic liquids gasification equipment | |
| CN105021063A (en) | Efficient liquid gasifier | |
| CN102175351B (en) | Device for testing thermal performance and fluid resistance of liquid-liquid heat exchanger | |
| CN204312183U (en) | Anti-explosion diesel engine for mine performance test cooling liquid temperature control circulation system | |
| CN111878889A (en) | Heat exchange station system capable of reducing fluctuation of flow of heat supply main pipe network | |
| CN204787927U (en) | High -efficient liquid vaporizer | |
| CN203479550U (en) | System suitable for testing heat transfer and resistance characteristics of heat exchanger of large-scale generating equipment | |
| CN103408017B (en) | High-temperature water circulation and flash distillation integrated tank and the system for the production of polysilicon | |
| CN100570267C (en) | A kind of control method of heat exchanger heat transfer amount | |
| CN207214207U (en) | heating system | |
| CN105020578A (en) | Circular type low-temperature liquid gasification device | |
| CN202281372U (en) | Automatic thermostatic device | |
| CN109307257A (en) | Injection boiler mass dryness fraction and the thermal efficiency monitor automatically and Optimal Control System | |
| CN104930747B (en) | A kind of second-kind absorption-type heat pump | |
| CN209012796U (en) | A kind of water for pharmaceutical purposes cycle assignment system | |
| CN106016243A (en) | Energy-saving control device of small boiler of solar hot water deaerator | |
| CN207455557U (en) | A kind of injection boiler mass dryness fraction is monitored automatically with the thermal efficiency and Optimal Control System | |
| CN202008414U (en) | Testing device for thermal performance and fluid resistance of liquid-liquid heat exchanger | |
| CN205402905U (en) | Hot spring water intelligence constant temperature system | |
| CN212777617U (en) | Heat exchange station system capable of reducing fluctuation of flow of heat supply main pipe network | |
| CN201954755U (en) | Solar water heating device capable of supplying a large amount of constant temperature hot water | |
| CN208804890U (en) | A kind of automatic heating and automatic cooling temperature control system | |
| CN205137939U (en) | Water heater water flow control device | |
| CN206843312U (en) | A kind of cooling water heating constant-temperature equipment for producing double matte glass pressing machines | |
| CN208859876U (en) | A kind of conduction oil heat-exchange system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151209 Effective date of abandoning: 20170728 |