CN105351744A - Method and device for preparing compressed air from liquid air - Google Patents
Method and device for preparing compressed air from liquid air Download PDFInfo
- Publication number
- CN105351744A CN105351744A CN201510858643.4A CN201510858643A CN105351744A CN 105351744 A CN105351744 A CN 105351744A CN 201510858643 A CN201510858643 A CN 201510858643A CN 105351744 A CN105351744 A CN 105351744A
- Authority
- CN
- China
- Prior art keywords
- air
- gas
- pressure
- liquid
- air compressor
- 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.)
- Granted
Links
Landscapes
- Separation By Low-Temperature Treatments (AREA)
Abstract
The invention belongs to the technical field of air compression and production, and particularly relates to a method and a device for preparing compressed air from liquid air. The method comprises the following steps: a vaporizer absorbs an environmental heat source to change low-pressure liquid air into high-pressure air through vaporization; a compressed air tank is directly inflated with part of the high-pressure air; the other part of the high-pressure air drives an expansion machine to covert high-pressure potential energy into mechanical energy, so as to drive an air compressor; normal-temperature and normal-pressure air in the environment is pressurized by an air amplifier to form air with certain pressure and flow velocity; and the air with certain pressure and flow velocity is inputted into the air compressor for preparation of the compressed air. On the basis of a conventional device, the vaporizer and the air amplifier are arranged on the device provided by the invention, and the high-pressure compressed air is generated by utilizing a small amount of the liquid air, so that a lot of cost is reduced, the device is small in size and simple, and the air supply capacity is high; part of the heat energy of the expansion machine is converted into the mechanical energy, the mechanical energy is outputted for driving the air compressor, and cold energy is further outputted for cooling the air compressor through cyclic utilization of the low-temperature characteristic of exhaust air, so that the energy consumption is low and no noise is generated; and through adoption of direct and quick air inflation equipment, the device quickly starts, and can quickly supplement pressure to the compressed air tank, so as to guarantee stable pressure in the compressed air tank.
Description
Technical field
The invention belongs to gas compression manufacturing technology field, be specifically related to method and device thereof that a kind of liquid gas prepares pressurized gas.
Background technique
Background technique
Pressurized air, namely by the air of outer force compresses.Air has compressibility, through air compressor do mechanical work make volume-diminished own, pressure improve after air pressurized air.Pressurized air is a kind of important power source.With other energy ratio, it has following obvious feature: Clear & Transparent, and conveying is convenient, and do not have special harmful performance, do not have hazard of catch fire, be not afraid of overburdening, can work under many adverse environments, air grows on trees on the ground, inexhaustible.Pressurized air is the second largest power source being only second to electric power, is again the technique source of the gas served many purposes.
Pressurized air is the power resources that industrial field is commonly used very much, and compressed-air actuated acquisition major part is obtained by air compressor, also has minority to be obtained by liquid gasification.Air compressor prepares that the usual efficiency of pressurized air is low, noise is large, big energy-consuming, and the temperature that especially large-scale air compressor work produces is higher, and need heat radiation, otherwise will greatly affect the efficiency of storage of gas holder, current technology does not make full use of this part energy.Obtain pressurized air method by liquid gasification and need heat-exchanger rig, need additional heat, even need to be warming up to normal temperature, the process being warming up to normal temperature by ultralow temperature is complicated, and cost is large.
Summary of the invention
For the deficiency that prior art exists, the invention provides a kind of energy-conservation, efficient, volume is little, startup is fast, device is simple, air demand is large, noise is little, the liquid gas that cold air can be had to export prepares pressurized gas method and device thereof.
To achieve these goals, the present invention realizes by the following technical solutions:
Liquid gas prepares a method for pressurized gas, and it comprises the following steps:
0.1-0.5MPa low-pressure liquid gas is pumped into through high pressure low temperature the normal temperature high voltage gas that vaporizer absorbing environmental thermal source is converted into 0.8-60Mpa;
It is for subsequent use that a described normal temperature high voltage gas part is filled with compression gas tank, and another part drives decompressor to be that mechanical energy exports by high pressure potential energy, the weary gas input compression gas tank that described decompressor acting produces;
Normal temperature and pressure gas in environment reaches through the Koln of air amplifier the air-flow that effect supercharging is formed with certain pressure and flow velocity and enters air compressor, described mechanical energy drives the gas of air compressor to input to compress rear output high-pressure gas, and the compression gas tank described in described pressurized gas input is for subsequent use.
Above-mentioned a kind of liquid gas prepares the method for pressurized gas, after the weary gas that decompressor acting described in it produces introduces described air compressor cooling air entrance, the pressurized gas exported with described air compressor export discharge by cooling air after cool cycles after all input described compression gas tank.Utilize the low-temperature characteristics of the weary gas of decompressor to cool to air compressor, ensure that air compressor is operated in lower temperature, improve its service behaviour.
Above-mentioned a kind of liquid gas prepares the method for pressurized gas, and the low-pressure liquid gas described in it comprises liquid air, liquid nitrogen, liquid carbon dioxide, liquid oxygen.
Above-mentioned a kind of liquid gas prepares the method for pressurized gas, and the thermal source described in it comprises air-source, water source, soil source, geothermal source in environment.Make full use of Environmental Heat Source, reduce energy consumption.
A kind of liquid gas prepares the device of pressurized gas, comprise the liquid gas storage tank be connected successively, air compressor, compression gas tank and connecting pipeline thereof and valve, it also comprises high-pressure cryogenic pumps, vaporizer, decompressor, air amplifier, the air compressor described in output shaft connection of described decompressor, described high pressure low temperature pump inlet is connected with described liquid gas storage tank, vaporizer described in its outlet connects, described gasifier exit is divided into two-way by pipeline, one tunnel is connected with described compressed air cylinder through too fast gas charging valve, another road is connected with the import of described decompressor, an import of the air amplifier described in the normal temperature and pressure gas in environment is inputted by pipeline, another import of described air amplifier is connected with described compressed air cylinder, the outlet of described air amplifier is connected with described air compressor import, the compressed air outlet of described air compressor is all connected with described compressed air cylinder with the weary gas outlet of described decompressor.
Above-mentioned a kind of liquid gas prepares the device of pressurized gas, and the weary gas outlet of the decompressor described in it is connected with air compressor cooling air entrance, and described air compressor cooling air outlet all inputs described compressed air cylinder with the pressurized air of described air compressor.Making full use of the weary gas of decompressor by setting up pipeline, improving air compressor service behaviour.
Above-mentioned a kind of liquid gas prepares the device of pressurized gas, and the air amplifier described in it is single-stage or plural serial stage structure.
Above-mentioned a kind of liquid gas prepares the device of pressurized gas, and the decompressor described in it is vane type of turbine, piston cylinder type, screw type, vortex type structure.
Above-mentioned a kind of liquid gas prepares the device of pressurized gas, and the air compressor described in it is vane type of turbine, piston cylinder type, screw type, vortex type structure.
Beneficial effect:
The present invention arranges liquefied gas vapo device on conventional apparatus basis, utilizing a small amount of liquid gas to produce high pressure air by absorbing the gasification of external environment heat energy, saving great amount of cost.Utilize Koln to reach effect principle and arrange air amplifier, form the high flow capacity pressurized air of 10 ~ 100 times with a small amount of atmospheric air, volume is little, device is simple, air demand is large.Utilize decompressor partial heat energy be converted into mechanical energy export drive air compressor, export cold further, utilize the low-temperature characteristics of weary gas to improve performance of air compressor, power consumption less, noiseless.Adopt directly to fill soon to put and start soon, compression gas tank pressure can be filled by fast repairing, ensure that tank internal pressure is stablized.
Accompanying drawing explanation
The present invention is described in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is the connection diagram of apparatus of the present invention.
Embodiment
The technological means realized for making the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the present invention further.
With reference to Fig. 1, the present invention includes the liquid air storage tank 1, high-pressure cryogenic pumps 2, vaporizer 3, compressed air cylinder 4, decompressor 5, air compressor 6, the air amplifier 9 that are connected successively, the output shaft of decompressor 5 connects driving air compressor 6.The outlet of liquid air storage tank 1 connects the import of high-pressure cryogenic pumps 2 by low-pressure liquid air duct 11, the outlet of high-pressure cryogenic pumps 2 connects vaporizer 3 by high-pressure liquid air duct 12, vaporizer 3 exports and is divided into two-way by high-pressure air tube 13, one tunnel connects straight gas tube 15 and is connected with an import of compressed air cylinder 4 through too fast gas charging valve 7, compressed air cylinder pressure is filled for fast repairing, driving tracheae 14 of separately leading up to connects the import of decompressor 5, the weary gas produced after decompressor 5 does work draws connected air compressor cooling air entrance by the blast pipe 16 that expands, after circulation, be connected to pressurized air supplying tube 18 by air compressor cooling air discharge tube 22 enter compressed air cylinder 4.Making full use of the weary gas of decompressor by setting up connecting pipeline, improving air compressor task performance.Ambient air in environment inputs an import of the air amplifier 9 of single-stage by pipeline 10, another import of air amplifier 9 is connected with the outlet of compressed air cylinder 4 by driving tracheae 20, for introducing a small amount of pressurized air, the outlet of air amplifier 9 is connected by the import of pressurizing air tracheae 19 with air compressor 6, and the outlet of air compressor 6 to be connected with pressurized air supplying tube 18 by compressed air hose 17 and compressed air delivery entered compressed air cylinder 4.Another outlet of compressed air cylinder 4 arranges work air valve 8, work air valve 8 connect work tracheae 21, work tracheae 21 for by compressed air delivery to working equipment.
As further improvement, air amplifier also can be plural serial stage structure.
According to the difference of Applicable media, work purposes, goal pressure, decompressor can be the decompressor of vane type of turbine, piston cylinder type, screw type or vortex type structure, and the air compressor being mated use also can be vane type of turbine, piston cylinder type, screw type or vortex type structure air compressor.
Method of work:
Liquid air storage tank 1 is for storing the low-pressure liquid air that the pressure of purchase is 0.1-0.5MPa, the low-pressure liquid air of liquid air storage tank 1 is delivered to vaporizer 3 by high-pressure cryogenic pumps 2, the low-pressure liquid air of 0.1-0.5MPa is converted into the normal temperature high voltage gas of 0.8-60Mpa by the thermal source that vaporizer 3 absorbs surrounding outer environment, and thermal source comprises air-source, water source, soil source, geothermal source in environment.A vaporizer 3 pressurized gas part is out filled with compressed air cylinder 4 by straight gas tube 15 through too fast gas charging valve 7, the pressure of compressed air cylinder 4 is filled for fast repairing, the import of another part by driving tracheae 14 to connect decompressor 5, for driving decompressor 5, the weary gas that decompressor 5 produces draws connected cooling system of air compressor cooling air entrance by the blast pipe 16 that expands, and is connected to pressurized air supplying tube 18 enters compressed air cylinder 4 after circulation by the outlet of cooling system of air compressor cooling air.Making full use of the weary gas of decompressor by setting up connecting pipeline, improving air compressor service behaviour.Ambient air in environment is by an import of pipeline input air amplifier 9, another import of air amplifier 9 is connected with the outlet of compressed air cylinder 4 by driving tracheae 20, for introducing a small amount of pressurized air, reach by Koln the air-flow that effect supercharging is formed with certain pressure and flow velocity and enter air compressor, the mechanical energy that decompressor exports drives the have gas of certain pressure and flow velocity of air compressor to input to compress rear output high-pressure gas, the high-pressure air that air compressor 6 obtains is delivered to pressurized air supplying tube 18 by compressed air hose 17, compressed air cylinder 4 is together sent to after the weary gas of discharging with air compressor 6 relief opening mixes.Compressed air cylinder 4 outlet arranges work air valve 8, and compressed-air actuated supply is carried/stopped to On/Off work air valve 8 namely by work gas pipe 21.
According to the difference of application demand, use the difference of medium, this method or device may be used for comprising liquid air, liquid nitrogen, liquid carbon dioxide or liquid oxygen and prepare pressurized gas.
The present invention arranges liquefied gas vapo device on conventional apparatus basis, utilizing a small amount of liquid gas to produce high pressure air by absorbing the gasification of external environment heat energy, saving great amount of cost.Utilize Koln to reach effect principle and arrange air amplifier, form the high flow capacity pressurized air of 10 ~ 100 times with a small amount of atmospheric air, volume is little, device is simple, air demand is large.Utilize decompressor partial heat energy to be converted into mechanical energy to export and drive air compressor, and export cold further, power consumption less, noiseless.Adopt directly to fill soon to put and start soon, compression gas tank pressure can be filled by fast repairing, ensure that tank internal pressure is stablized.
More than show and describe basic principle of the present invention and major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (9)
1. liquid gas prepares a method for pressurized gas, it is characterized in that, comprises the following steps: 0.1-0.5MPa low-pressure liquid gas is pumped into through high pressure low temperature the normal temperature high voltage gas that vaporizer absorbing environmental thermal source is converted into 0.8-60Mpa;
It is for subsequent use that a described normal temperature high voltage gas part is filled with compression gas tank, and another part drives decompressor to be that mechanical energy exports driving air compressor by high pressure potential energy, the weary gas input compression gas tank that described decompressor acting produces;
Normal temperature and pressure gas in environment reaches through the Koln of air amplifier the air-flow that effect supercharging is formed with certain pressure and flow velocity and enters air compressor, described mechanical energy drives the gas of air compressor to input to compress rear output high-pressure gas, and the compression gas tank described in described pressurized gas input is for subsequent use.
2. a kind of liquid gas according to claim 1 prepares the method for pressurized gas, it is characterized in that, after the weary gas that described decompressor acting produces introduces described air compressor cooling air entrance, the pressurized gas exported with described air compressor export discharge by cooling air after cool cycles after all input described compression gas tank.
3. a kind of liquid gas according to claim 1 prepares the method for pressurized gas, it is characterized in that, described low-pressure liquid gas comprises liquid air, liquid nitrogen, liquid carbon dioxide, liquid oxygen.
4. a kind of liquid gas according to claim 1 prepares the method for pressurized gas, it is characterized in that, described thermal source comprises air-source, water source, soil source, geothermal source in environment.
5. the device of pressurized gas is prepared according to claim 1-4 any one liquid gas, comprise the liquid gas storage tank be connected successively, air compressor, compressed air cylinder and connecting pipeline thereof and valve, it is characterized in that, also comprise high-pressure cryogenic pumps, vaporizer, decompressor, air amplifier, the air compressor described in output shaft connection of described decompressor, described high pressure low temperature pump inlet is connected with described liquid gas storage tank, vaporizer described in its outlet connects, described gasifier exit is divided into two-way by pipeline, one tunnel is connected with described compressed air cylinder through too fast gas charging valve, another road is connected with the import of described decompressor, an import of the air amplifier described in the normal temperature and pressure gas in environment is inputted by pipeline, another import of described air amplifier is connected with described compressed air cylinder, the outlet of described air amplifier is connected with described air compressor import, the compressed air outlet of described air compressor is all connected with described compressed air cylinder with the weary gas outlet of described decompressor.
6. a kind of liquid gas according to claim 5 prepares the device of pressurized gas, it is characterized in that, the weary gas outlet of described decompressor is connected with air compressor cooling air entrance, and described air compressor cooling air outlet all inputs described compressed air cylinder with the pressurized air of described air compressor.
7. a kind of liquid gas according to claim 5 prepares the device of pressurized gas, it is characterized in that, described air amplifier is single-stage or plural serial stage structure.
8. a kind of liquid gas according to claim 5 prepares the device of pressurized gas, it is characterized in that, described decompressor is vane type of turbine, piston cylinder type, screw type, vortex type structure.
9. a kind of liquid gas according to claim 5 prepares the device of pressurized gas, it is characterized in that, described air compressor is vane type of turbine, piston cylinder type, screw type, vortex type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510858643.4A CN105351744B (en) | 2015-12-01 | 2015-12-01 | A kind of liquid gas prepares the method and its device of compressed gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510858643.4A CN105351744B (en) | 2015-12-01 | 2015-12-01 | A kind of liquid gas prepares the method and its device of compressed gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105351744A true CN105351744A (en) | 2016-02-24 |
| CN105351744B CN105351744B (en) | 2017-11-24 |
Family
ID=55327772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510858643.4A Expired - Fee Related CN105351744B (en) | 2015-12-01 | 2015-12-01 | A kind of liquid gas prepares the method and its device of compressed gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105351744B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648528A (en) * | 2021-02-02 | 2021-04-13 | 河南省标准化研究院 | Gas cylinder inflation control device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1904460A (en) * | 2006-07-31 | 2007-01-31 | 西安交通大学 | Liquified natural gas pressure raising gasification process conprehensive energy using system in gas station |
| CN201395045Y (en) * | 2009-03-03 | 2010-02-03 | 周晓明 | Hybrid car |
| KR20140107759A (en) * | 2013-02-28 | 2014-09-05 | 삼성중공업 주식회사 | Energy recovery apparatus using Regasification facility and Operating Method of the same |
| CN203948939U (en) * | 2014-07-10 | 2014-11-19 | 上海方政机电自控设备有限公司 | Ammonia vaporizing unit integral device integrated morphology |
| CN204239350U (en) * | 2014-03-10 | 2015-04-01 | 苟仲武 | A kind of energy-conservation compressed air plant |
-
2015
- 2015-12-01 CN CN201510858643.4A patent/CN105351744B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1904460A (en) * | 2006-07-31 | 2007-01-31 | 西安交通大学 | Liquified natural gas pressure raising gasification process conprehensive energy using system in gas station |
| CN201395045Y (en) * | 2009-03-03 | 2010-02-03 | 周晓明 | Hybrid car |
| KR20140107759A (en) * | 2013-02-28 | 2014-09-05 | 삼성중공업 주식회사 | Energy recovery apparatus using Regasification facility and Operating Method of the same |
| CN204239350U (en) * | 2014-03-10 | 2015-04-01 | 苟仲武 | A kind of energy-conservation compressed air plant |
| CN203948939U (en) * | 2014-07-10 | 2014-11-19 | 上海方政机电自控设备有限公司 | Ammonia vaporizing unit integral device integrated morphology |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648528A (en) * | 2021-02-02 | 2021-04-13 | 河南省标准化研究院 | Gas cylinder inflation control device |
| CN112648528B (en) * | 2021-02-02 | 2022-05-03 | 河南省标准化研究院 | Gas cylinder inflation control device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105351744B (en) | 2017-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108930627A (en) | A kind of level pressure is drawn water compressed gas energy-storage system and energy storage method | |
| CN203257492U (en) | Compressed air electric power energy storage system | |
| CN104121049B (en) | Pressurized air electric energy storing system | |
| CN107237656B (en) | Coaxial structure of supercritical carbon dioxide centrifugal compressor and axial flow turbine | |
| CN106567748B (en) | The compressed-air energy-storage system of nonadiabatic gas expansion | |
| CN101988426A (en) | Turbine composite gas compression system | |
| CN105863751A (en) | Closed low temperature compressed air energy storage system and method | |
| CN105403378B (en) | A kind of method and its device for improving air storing type wind-tunnel | |
| CN100999999A (en) | Single circulating heat pump generating apparatus | |
| CN105863752A (en) | Compressed air energy storage system and method utilizing cold energy of liquefied natural gas | |
| CN205137067U (en) | Liquid gas preparation compressed gas's device | |
| CN201810391U (en) | Turbine composite gas compression system | |
| CN102330573A (en) | Pressure gas turbine booster system | |
| CN205805631U (en) | A kind of enclosed low temperature compressed air energy-storage system | |
| CN205138755U (en) | Improve device of gas storage formula wind -tunnel | |
| CN205779056U (en) | Utilize the compressed-air energy-storage system of cold energy of liquefied natural gas | |
| CN107035665A (en) | A kind of novel compressed air energy storage device | |
| CN204858580U (en) | Electric energy energy memory | |
| CN105351744A (en) | Method and device for preparing compressed air from liquid air | |
| CN206495781U (en) | A kind of two stages of compression screw air compressor | |
| CN103835766A (en) | Efficient energy-saving power generation method and system | |
| CN202746002U (en) | Impeller compression gas compressor | |
| CN203730075U (en) | Efficient energy storage power generating system | |
| CN203822467U (en) | Indirect cooling cycle gas turbine using waste heat of low-pressure compressor for power generation | |
| CN204239350U (en) | A kind of energy-conservation compressed air plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171124 Termination date: 20211201 |