CN105333692A - Steam generating method and device for preparing liquid air - Google Patents
Steam generating method and device for preparing liquid air Download PDFInfo
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- CN105333692A CN105333692A CN201510803731.4A CN201510803731A CN105333692A CN 105333692 A CN105333692 A CN 105333692A CN 201510803731 A CN201510803731 A CN 201510803731A CN 105333692 A CN105333692 A CN 105333692A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/0002—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
- F25J1/0012—Primary atmospheric gases, e.g. air
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- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a steam generating method and device for preparing liquid air. According to the invention, a source of heat is obtained by adopting the heat pump technology or through pressurization expansion; a heating pump is used for two-stage compression; selection is performed through a magnetic valve; at an initial stage, only a low temperature compressor is used; and at a high temperature stage, the low temperature compressor and the high temperature compressor are used at the same time. Therefore, the energy efficiency ratio is increased. Next, a steam separator is internally arranged in the device provided by the invention, so that the problem that water is contained in air is avoided. Moreover, clean and pollution-free steam, boiling water, hot water and liquid air can be provided, and the liquid air is prepared through recycling heat of cooling, therefore, energy conservation and emission reduction are achieved, and energy is effectively used.
Description
Technical field
The present invention relates to and prepare liquid air technical field, be specifically related to a kind of steam generation method and the device that can prepare liquid air.
Background technology
The mixture that air is made up of rare gas such as the nitrogen of 78.01%, the oxygen of 20.9% and argon, neon, xenon, kryptons.Air forms through liquefaction by liquid air.Liquid air is nattierblue liquid.Density about 0.9.Boiling point-192 DEG C (101.3 kPas, 760 millimetress of mercury).Available steel cylinder storage and transport.Be widely used as the source of oxygen.By air compressing, and be cooled to low temperature, then make it expand and obtain.The method of existing liquid gas and device are a lot, no matter use any mode or device, all can produce amount of heat, and these heat water-band that is all cooled is walked and scattered and disappeared, and can not realize energy-saving and emission-reduction.
Summary of the invention
Because the above-mentioned defect of prior art, the invention provides a kind of steam generation method and the device that can prepare liquid air, the recycling heat of cooling prepares liquid air, can realize energy-saving and emission-reduction, effective use of energy sources.
For achieving the above object, the invention provides a kind of steam raising plant can preparing liquid air, comprise air and wet tank, regenerator, inflated with low pressure valve, high temperature expansion valve, magnetic valve, cryogenic compressor, evaporimeter, high temperature compressor, steam water pot and liquid-air tank, described hot-water cylinder and steam water pot inside are provided with condensation heater and condensation heater, described evaporimeter is provided with thermal source liquid entrance and the outlet of thermal source liquid, described evaporimeter and cryogenic compressor, hot-water cylinder internal condensation heater, high temperature compressor, steam water pot internal condensation heater, air and wet tank, regenerator is in turn connected to form loop by pipeline.
As preferably, described hot-water cylinder is provided with hot water outlet, bottom is provided with small pump and demineralized water moisturizing entrance, and described steam water pot top is provided with boiling water outlet and steam (vapor) outlet, and bottom is connected with hot-water cylinder with pump by pipeline.
As preferably, described liquid-air tank is in parallel with hot-water cylinder, and liquid air pot bottom is provided with air supplying pump and air fills into mouth, liquid-air tank also has liquid air outlet and pressure-air exports.
As preferably, described inflated with low pressure valve is arranged between regenerator and evaporimeter, and described high temperature expansion valve 4 is arranged between inflated with low pressure valve and regenerator, and described regenerator top is provided with pipeline and is connected with high temperature compressor.
A kind of steam generation method can preparing liquid air, its concrete steps are: provide the thermal source liquid of thermal source and thermal source air to enter evaporimeter from thermal source inlet, contact with refrigerant in evaporimeter, transfer heat to refrigerant, then evaporimeter is flowed out from thermal source outlet, because the effect downforce of refrigerant at cryogenic compressor reduces, therefore be easy to absorb heat and become gas, when gas enters into the condensation heater of hot-water cylinder by cryogenic compressor, equally because its internal pressure of effect of compressor increases, therefore gas releasing heat becomes liquid, and the demineralized water transferred heat in hot-water cylinder makes its temperature raise, because the coolant-temperature gage in now steam water pot is lower, therefore now magnetic valve can be opened, part is out made from the condensation heater of hot-water cylinder to be the gas of liquefaction enters into steam water pot condensation heater by magnetic valve, continue the soft water transferred heat to wherein that liquefies.Can only use cryogenic compressor at low temperatures thus keep high Energy Efficiency Ratio like this, when the soft water temperature in steam water pot is elevated to uniform temperature (when such as reaching 40-80 degree Celsius when temperature as required), now Energy Efficiency Ratio declines, shut electromagnetic valve, thus make the work of high temperature compressor boiling water, under high temperature compressor effect, temperature in steam water pot is raised further, finally 100-150 degree Celsius can be reached, thus make wherein hot water and steam, pressure is increased to 2-4 atmospheric pressure, and provide high temperature and high pressure steam from steam (vapor) outlet, high-temperature-hot-water is provided from hot water outlet, and the hot water outlet of hot-water cylinder can provide the hot water of temperature between 40-80 degree Celsius, liquid-air tank can be made can to produce liquid air and pressure-air by said process equally.
Beneficial effect of the present invention: the recycling heat of cooling prepares liquid air, can realize energy-saving and emission-reduction, effective use of energy sources.
Be described further below with reference to the technique effect of accompanying drawing to design of the present invention, concrete structure and generation, to understand object of the present invention, characteristic sum effect fully.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
With reference to Fig. 1, this detailed description of the invention is by the following technical solutions: a kind of steam raising plant can preparing liquid air, comprise air and wet tank 1, regenerator 2, inflated with low pressure valve 3, high temperature expansion valve 4, magnetic valve 5, cryogenic compressor 6, evaporimeter 7, high temperature compressor 10, steam water pot 11 and liquid-air tank 23, described hot-water cylinder 18 and steam water pot 11 inside are provided with condensation heater 21 and condensation heater 22, described evaporimeter 7 is provided with thermal source liquid entrance 8 and thermal source liquid outlet 9, described evaporimeter 7 and cryogenic compressor 6, hot-water cylinder 18 internal condensation heater 21, high temperature compressor, steam water pot 11 internal condensation heater 22, air and wet tank 1, regenerator 2 is in turn connected to form loop by pipeline.
It should be noted that, described hot-water cylinder 18 is provided with hot water outlet 17, bottom is provided with small pump 14 and demineralized water moisturizing entrance 20, and described steam water pot 11 top is provided with boiling water outlet 16 and steam (vapor) outlet 15, and bottom is connected with hot-water cylinder 18 with pump 12 by pipeline.
It should be noted that described liquid-air tank 23 is in parallel with hot-water cylinder 18, and be provided with air supplying pump 25 bottom liquid-air tank 23 and air fills into mouth 24, liquid-air tank 23 also has liquid air 26 and to export and pressure-air exports 27.
In addition, described inflated with low pressure valve 3 is arranged between regenerator 2 and evaporimeter 7, and described high temperature expansion valve 4 is arranged between inflated with low pressure valve 3 and regenerator 2, and described regenerator 2 top is provided with pipeline and is connected with high temperature compressor 10.
A kind of steam generation method can preparing liquid air of this detailed description of the invention, its concrete steps are: provide the thermal source liquid of thermal source and thermal source air to enter evaporimeter 7 from thermal source inlet 8, contact with refrigerant in the evaporator 7, transfer heat to refrigerant, then evaporimeter 7 is flowed out from thermal source outlet 9, because the effect downforce of refrigerant at cryogenic compressor 6 reduces, therefore be easy to absorb heat and become gas, when gas enters into the condensation heater 21 of hot-water cylinder 18 by cryogenic compressor 6, equally because its internal pressure of effect of compressor increases, therefore gas releasing heat becomes liquid, and the demineralized water 13 transferred heat in hot-water cylinder 18 makes its temperature raise, because the coolant-temperature gage in now steam water pot 11 is lower, therefore now magnetic valve 5 can be opened, part is out made from the condensation heater 21 of hot-water cylinder 18 to be the gas of liquefaction enters into steam water pot 11 condensation heater 22 by magnetic valve 5, continue the soft water transferred heat to wherein that liquefies.Can only use cryogenic compressor at low temperatures thus keep high Energy Efficiency Ratio like this, when the soft water temperature in steam water pot is elevated to uniform temperature (when such as reaching 40-80 degree Celsius when temperature as required), now Energy Efficiency Ratio declines, shut electromagnetic valve, thus make the work of high temperature compressor boiling water, under high temperature compressor effect, temperature in steam water pot is raised further, finally 100-150 degree Celsius can be reached, thus make wherein hot water and steam, pressure is increased to 2-4 atmospheric pressure, and provide high temperature and high pressure steam from steam (vapor) outlet 15, high-temperature-hot-water is provided from hot water outlet, and the hot water outlet 17 of hot-water cylinder 18 can provide the hot water of temperature between 40-80 degree Celsius, liquid-air tank 23 can be made can to produce liquid air and pressure-air by said process equally.
Release the refrigerant after heat from the condensation heater 22 steam water pot 11 and enter into air and wet tank 1 by pipeline, regenerator 2 is entered into further by pipeline in air and wet tank 1, then a part enters into evaporimeter 7 continuation absorption thermal source liquid heat again by low-temperature expansion valve, another part is contributed in high temperature compressor 10 by high temperature expansion valve in the condensation heater 22 also again entered in steam water pot 11, releases heat.
Wherein above-mentioned air and wet tank 1 mainly play the high temperature refrigerant storing and discharge from steam water pot 11, prevent refrigerant from directly entering compressor because there is no memory space and cause infringement to compressor, and the setting of regenerator 2 to be refrigerant temperatures owing to getting back to air and wet tank higher, if directly again enter evaporimeter 7, be unfavorable for absorbing heat from environment, therefore reduce temperature by regenerator 2.And magnetic valve 5 keeps path when boiler just starts, thus make high temperature compressor inoperative, only by cryogenic compressor, the coolant-temperature gage in steam water pot 11 and hot-water cylinder 18 is raised, after temperature reaches basic demand, such as be set as 40-80 degree Celsius in advance, magnetic valve disconnects, and high temperature compressor is started working, and improves the soft water temperature in steam water pot 11 further.And evaporimeter 7 is whole system obtains heat main sources from the external world, comprising refrigerant loop and heat source medium loop, heat source medium transfers heat to refrigerant loop, and refrigerant loop is transferred heat in steam water pot 11 and hot-water cylinder 18 by cryogenic compressor 6 and high temperature compressor 10 again.
Pump 12 is added in steam pump by the hot water of hot-water cylinder 18 when liquid in steam water pot 11 declines not enough, and when water shortage in hot-water cylinder 18 is, then supplement soft water wherein by small pump 14 and softening moisturizing entrance 20.Meanwhile, when the gas in liquid-air tank 23 is not enough, mouth 24 can be filled into by air supplying pump 25 and air and supplement air.
Be that Environmental Heat Source comprises air and water etc. for thermal source of the present invention, can adopt such as by various waste water and waste liquid, factory's blowdown, the environment hot water in the water of the hot water in solar water, cooling tower, underground water, source of sewage, recovery hot water, rivers and lakes, environment, bring building municipal sewage by source of sewage heat exchanger, be brought the liquid etc. of the heat energy in soil by underground water, ground well-digging.Owing to present invention employs compressor and refrigerant gasification absorption heat, the temperature therefore for thermal source liquid is not particularly limited, and the temperature requirement of thermal source liquid is very wide in range, as long as just passable containing energy, but heat is more high better.Its temperature is preferably 10-80 degree Celsius.Can suitably reconcile thermal source liquid according to thermal source liquid temp to enter evaporimeter speed and adjust its heat amount, if thermal source liquid temp is lower, thermal source liquid admission velocity can be accelerated, if thermal source liquid temp is higher, just can reduce thermal source liquid admission velocity.Except these thermals source, heat pump electricity steam water boiler of the present invention also can adopt gas as thermal source, as long as gas temperature enough, wherein contains heat, also can enter from thermal source liquid entrance, and discharge from thermal source liquid entrance.
Refrigerant in evaporimeter of the present invention is not particularly limited, it uses art of heat pumps to commonly use refrigerant, as long as it can play heat absorption of gasifying under negative pressure, and heat is released in liquefaction after pressure increase, reaches the effect transmitting heat in transport thermal source liquid and thermal source air.
Because the present invention adopts heat pump techniques as unique origin of heat, wherein a part is the heat energy of the power conversion of heat-pump apparatus autophage, another part is the heat energy of heat pump from " carrying comes " other medium, therefore the energy in other medium can be utilized, particularly nature Already in air, soil, water system heat, and the sewage produced in human being's production life is warm, waste water is warm, its Energy Efficiency Ratio is much larger than other boiler, realize vast scale energy-conservation, obtain the effect of larger energy-saving and emission-reduction synergy.And the present invention utilizes heat pump two stages of compression, because heat pump efficiency and the temperature difference have much relations, the temperature difference is larger, and efficiency is poorer, therefore makes low-temperature zone and high temperature section separately by two stages of compression, effectively reduces the temperature difference in each stage, improve the thermal efficiency.And by arranging magnetic valve, thus make boiler can only use cryogenic compressor to heat when just running, the predetermined temperature being elevated to setting when temperature uses cryogenic compressor and high temperature compressor to heat again further simultaneously, thus further improves Energy Efficiency Ratio.And boiler of the present invention can also export the products such as boiling water, steam, hot water, can meet heating, shower, provide the multiple uses such as the energy.In addition the compressor condensation heater of heat pump heats up limited, reach the stopping of will having to of certain ceiling temperature to work on, therefore infinitely can not rise and explode by build-up of pressure, thus the boiler before having stopped is when dry combustion method or unusual condition occur, heat energy constantly supplies and blasts.Therefore the present invention thoroughly eliminates boiler overvoltage blast.Secondly the built-in steam-water separator of the present invention, avoids in gas containing water problem.And pollution-free in whole heating up process, can not the organic substances such as machine oil be mixed into, the hot water of high cleanliness, boiling water and steam can be provided, meet the needs of people's various uses.Its low temperature separating at high temperature last, has cushion space, carries out moisturizing at low-temperature region, does not have pressure and temperature fluctuation in therefore moisturizing process.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technical staff in the art, all should by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (5)
1. can prepare the steam raising plant of liquid air for one kind, comprise air and wet tank (1), regenerator (2), inflated with low pressure valve (3), high temperature expansion valve (4), magnetic valve (5), cryogenic compressor (6), evaporimeter (7), high temperature compressor (10), steam water pot (11) and liquid-air tank (23), described hot-water cylinder (18) and steam water pot (11) inside are provided with condensation heater (21) and condensation heater (22), described evaporimeter (7) is provided with thermal source liquid entrance (8) and thermal source liquid outlet (9), described evaporimeter (7) and cryogenic compressor (6), hot-water cylinder (18) internal condensation heater (21), high temperature compressor, steam water pot (11) internal condensation heater (22), air and wet tank (1), regenerator (2) is in turn connected to form loop by pipeline.
2. a kind of steam raising plant can preparing liquid air according to claim 1, it is characterized in that, described hot-water cylinder (18) is provided with hot water outlet (17), bottom is provided with small pump (14) and demineralized water moisturizing entrance (20), described steam water pot (11) top is provided with boiling water outlet (16) and steam (vapor) outlet (15), and bottom is connected with hot-water cylinder (18) with pump (12) by pipeline.
3. a kind of steam raising plant can preparing liquid air according to claim 1, it is characterized in that, described liquid-air tank (23) is in parallel with hot-water cylinder (18), and liquid-air tank (23) bottom is provided with air supplying pump (25) and air fills into mouth (24), liquid-air tank (23) also has liquid air (26) outlet and pressure-air outlet (27).
4. a kind of steam raising plant can preparing liquid air according to claim 1, it is characterized in that, described inflated with low pressure valve (3) is arranged between regenerator (2) and evaporimeter (7), described high temperature expansion valve (4) is arranged between inflated with low pressure valve (3) and regenerator (2), and described regenerator (2) top is provided with pipeline and is connected with high temperature compressor (10).
5. can prepare the steam generation method of liquid air for one kind, it is characterized in that, the thermal source liquid of thermal source and thermal source air is provided to enter evaporimeter from thermal source inlet, contact with refrigerant in evaporimeter, transfer heat to refrigerant, then evaporimeter is flowed out from thermal source outlet, because the effect downforce of refrigerant at cryogenic compressor reduces, therefore be easy to absorb heat and become gas, when gas enters into the condensation heater of hot-water cylinder by cryogenic compressor, equally because its internal pressure of effect of compressor increases, therefore gas releasing heat becomes liquid, and the demineralized water transferred heat in hot-water cylinder makes its temperature raise, because the coolant-temperature gage in now steam water pot is lower, therefore now magnetic valve can be opened, part is out made from the condensation heater of hot-water cylinder to be the gas of liquefaction enters into steam water pot condensation heater by magnetic valve, continue the soft water transferred heat to wherein that liquefies, can only use cryogenic compressor at low temperatures thus keep high Energy Efficiency Ratio like this, when the soft water temperature in steam water pot is elevated to uniform temperature, now Energy Efficiency Ratio declines, shut electromagnetic valve, thus make the work of high temperature compressor boiling water, under high temperature compressor effect, temperature in steam water pot is raised further, finally 100-150 degree Celsius can be reached, thus make wherein hot water and steam, pressure is increased to 2-4 atmospheric pressure, and provide high temperature and high pressure steam from steam (vapor) outlet, high-temperature-hot-water is provided from hot water outlet, and the hot water outlet of hot-water cylinder can provide the hot water of temperature between 40-80 degree Celsius, liquid-air tank can be made can to produce liquid air and pressure-air by said process equally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510803731.4A CN105333692A (en) | 2015-11-20 | 2015-11-20 | Steam generating method and device for preparing liquid air |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510803731.4A CN105333692A (en) | 2015-11-20 | 2015-11-20 | Steam generating method and device for preparing liquid air |
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| CN105333692A true CN105333692A (en) | 2016-02-17 |
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| CN201510803731.4A Pending CN105333692A (en) | 2015-11-20 | 2015-11-20 | Steam generating method and device for preparing liquid air |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1423081A (en) * | 2001-12-03 | 2003-06-11 | 液体空气乔治洛德方法利用和研究的具有监督和管理委员会的有限公司 | Method and apparatus of combined air-separation and steam generation |
| CN101078513A (en) * | 2007-06-27 | 2007-11-28 | 王全龄 | Heat pump type steam generator |
| CN103459925A (en) * | 2011-03-31 | 2013-12-18 | 三浦工业株式会社 | Steam generation system |
| JP2014029257A (en) * | 2012-07-04 | 2014-02-13 | Fuji Electric Co Ltd | Refrigerant circuit device |
| CN104764293A (en) * | 2015-02-06 | 2015-07-08 | 宁波高新区零零七工业设计有限公司 | Steam generating method for preparing liquid air |
-
2015
- 2015-11-20 CN CN201510803731.4A patent/CN105333692A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1423081A (en) * | 2001-12-03 | 2003-06-11 | 液体空气乔治洛德方法利用和研究的具有监督和管理委员会的有限公司 | Method and apparatus of combined air-separation and steam generation |
| CN101078513A (en) * | 2007-06-27 | 2007-11-28 | 王全龄 | Heat pump type steam generator |
| CN103459925A (en) * | 2011-03-31 | 2013-12-18 | 三浦工业株式会社 | Steam generation system |
| JP2014029257A (en) * | 2012-07-04 | 2014-02-13 | Fuji Electric Co Ltd | Refrigerant circuit device |
| CN104764293A (en) * | 2015-02-06 | 2015-07-08 | 宁波高新区零零七工业设计有限公司 | Steam generating method for preparing liquid air |
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Application publication date: 20160217 |