CN113623622A - Water heater or steam generator using compressed air as energy source - Google Patents
Water heater or steam generator using compressed air as energy source Download PDFInfo
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- CN113623622A CN113623622A CN202110846457.4A CN202110846457A CN113623622A CN 113623622 A CN113623622 A CN 113623622A CN 202110846457 A CN202110846457 A CN 202110846457A CN 113623622 A CN113623622 A CN 113623622A
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- water
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- hot
- compressed air
- heat exchanger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/028—Steam generation using heat accumulators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/12—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/123—Fluid connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/16—Filtration; Moisture separation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/26—Steam-separating arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
Abstract
A water heater or steam generator using compressed air as energy source is composed of a vortex tube with compressed air inlet, a main water tank with air distributor for delivering hot air in the form of bubbles to said main water tank, and a high-temp air-water mixture outlet on the upper part of said main water tank. According to the preparation method, hot water or steam can be obtained only by means of compressed air, the application range of the compressed air can be expanded, and a new way for utilizing energy of the compressed air is provided.
Description
Technical Field
The invention belongs to the technical field of energy sources, relates to the field of vortex tube heating, and particularly relates to a water heater or a steam generator with compressed air as an energy source.
Background
The compressed air energy storage technology is a novel large-scale energy storage technology and has the characteristics of environmental friendliness, strong flexibility and the like. However, the utilization form of the compressed air is single at present, and the energy release process of the compressed air energy storage system is still in a form of driving a steam turbine to generate electricity after afterburning. With the increasing popularization of compressed air energy storage, compressed air is used as a new energy carrier, diversified utilization modes of the compressed air are explored, the application range of the compressed air can be expanded, and a new way is provided for compressed air energy utilization.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a water heater or a steam generator which takes compressed air as an energy source, and realizes the function of generating hot water/steam by taking the compressed air as the energy source through reasonable equipment selection and connection, and the generated hot water and steam can return to an industrial process on one hand, so that the cost is reduced; on the other hand, it can be used for district heating. Compared with the mode of pushing the steam turbine to do work, the investment cost is reduced, and the application range is widened.
In order to achieve the purpose, the invention adopts the technical scheme that:
a water heater or steam generator using compressed air as energy source is composed of a vortex tube with compressed air inlet, a main water tank with air distributor for delivering hot air in the form of bubbles to said main water tank, and a high-temp air-water mixture outlet on the upper part of said main water tank.
Furthermore, a pressure regulating valve is arranged at a hot end outlet of the vortex tube, and the flow rate and the temperature of the hot end outlet are regulated by regulating the pressure of hot air flow output by the hot end outlet.
Further, the gas distributor is arranged at the bottom of the main water tank, and formed bubbles move from bottom to top.
Further, the gas distributor is provided with a plurality of gas distributors which are arranged in parallel.
Further, the outlet of the high-temperature gas-water mixture is connected with a gas-liquid separator through a pump.
Further, the air outlet of the gas-liquid separator and the heat medium outlet of the heat exchanger are connected with a coil pipe positioned in the preheating water tank, and the water outlet of the preheating water tank is connected with the main water tank to supplement water for the main water tank. The coil is made of metal and has increased surface area by fins or corrugations.
Further, the heat exchanger is a heat accumulating type heat exchanger filled with heat accumulating materials, and the gas distributor is a porous baffle or a porous medium.
The invention also provides a hot water or steam preparation method based on the water heater or steam generator taking the compressed air as the energy source, the compressed air is sent into the vortex tube to prepare hot air flow, one part of the hot air flow is sent into the main water tank in a bubble form by using the gas distributor and is fully contacted with water for heat exchange to generate a high-temperature gas-water mixture, the high-temperature gas-water mixture is subjected to gas-liquid separation by using the gas-liquid separator, and the obtained water is heated by the other part of the hot air flow through the heat exchanger to obtain hot water or steam.
Further, the gas obtained by gas-liquid separation and the gas heated by the heat exchanger are both sent to a preheating water tank to preheat water, and the preheated water is used as the water supplement of the main water tank.
Furthermore, the pressure of a compressed air inlet of the vortex tube is more than 0.7MPa, the temperature of the hot air flow is adjusted to be more than 100 ℃ through a pressure regulating valve, the temperature range of the high-temperature air-water mixture is 60-100 ℃ by adjusting the flow of the hot air flow and the water quantity of the main water tank, the temperature of water obtained by gas-liquid separation is less than 100 ℃, and hot water or steam is obtained by adjusting the temperature and the flow of the hot air flow entering the heat exchanger and the water flow introduced into the heat exchanger.
Compared with the prior art, the invention has the beneficial effects that:
1. the system provided by the invention has the advantages of simple form, strong operability, contribution to realizing industrial application and higher economic benefit.
2. In the whole process of generating the hot steam, the pressure-lodging air is a main energy source, fossil energy is not required to be consumed, greenhouse gas is not generated, and the method is favorable for environmental protection and sustainable development.
In a word, at the present stage that compressed air energy storage is increasingly popularized, the invention provides reference for diversified utilization of compressed air energy storage; simple equipment and low cost, is beneficial to large-scale production and application, and has higher economic benefit and environmental benefit.
Drawings
FIG. 1 is a schematic diagram of the present invention.
The device comprises a vortex tube 1, a cold end outlet 2, a compressed air inlet 3, a pressure regulating valve 4, a gas distributor 5, a main water tank 6, a preheating water tank 7, a gas outlet 8, a coil pipe 9, a water replenishing port 10, a pump 11, a gas-liquid separator 12, a heat exchanger 13, hot water or steam 14 and a water replenishing pipe 15.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the drawings and examples.
As shown in fig. 1, the present invention is a water heater or steam generator using compressed air as energy source, comprising a vortex tube 1, wherein the vortex tube 1 has three ports, which are respectively a cold end outlet 2, a compressed air inlet 3 and a hot end outlet, wherein the compressed air inlet 3 is used for inputting compressed air, the compressed air is divided into a hot air stream and a cold air stream in the vortex tube 1, the cold air stream is discharged from the cold end outlet 2, and the hot end outlet discharges the hot air stream.
The hot air flow output from the hot end outlet of the vortex tube 1 is divided into two paths, one path is connected with the main water tank 6 through the air distributor 5, the air distributor 5 disperses the hot air flow into bubbles, the bubbles are sent into the main water tank 6, and the bubbles are fully contacted with water for heat exchange to generate a high-temperature air-water mixture. The reason for adopting the contact heat exchange mode is that the flow speed of the high-temperature airflow is faster, the temperature is usually between 100 ℃ and 150 ℃, the contact heat exchange can make the utilization of heat more sufficient, and the defect of the partition wall type heat exchange which is usually adopted is overcome.
The other path is connected with a heat medium inlet of the heat exchanger 13, namely a high-temperature gas inlet. Wherein the body distributor 5 can be a porous baffle or a porous medium, and the heat exchanger 13 can be a heat accumulating type heat exchanger filled with heat accumulating materials, so that the heat exchange time is prolonged, the temperature uniformity is improved, and insufficient heat exchange caused by too fast flow velocity of high-temperature gas is avoided.
The upper part of the main water tank 6 is provided with a high-temperature gas-water mixture outlet which is connected with an inlet of a gas-liquid separator 12, gas-liquid separation is carried out in the gas-liquid separator 12, a water outlet of the gas-liquid separator 12 is connected with a cold medium inlet, namely a water inlet, of a heat exchanger 13, therefore, the other path of hot air flow is utilized to further heat water in the heat exchanger 13 to obtain hot water or steam 14, and the water heater or the steam generator is formed.
Furthermore, in order to facilitate control, the invention arranges a pressure regulating valve 4 at the hot end outlet of the vortex tube 1, and the flow rate and the temperature of the vortex tube are regulated by regulating the pressure of hot air flow output by the hot end outlet.
Furthermore, a plurality of gas distributors 5 are arranged at the bottom of the main water tank 6 in parallel, so that formed bubbles move from bottom to top and are more uniformly contacted with water for heat exchange.
Further, in order to output the high-temperature gas-water mixture better, the outlet of the high-temperature gas-water mixture is connected with the gas-liquid separator 12 through the pump 11.
Further, in order to fully utilize heat energy, the gas separated by the gas-liquid separator 12 and the exhaust gas discharged by the heat exchanger 13 can be used for preheating water, specifically, the gas outlet of the gas-liquid separator 12 and the heat medium outlet of the heat exchanger 13 are connected to the coil 9 connected in the preheating water tank 7, and the water outlet of the preheating water tank 7 is connected with the main water tank 6 through the water replenishing pipe 15 to replenish water for the main water tank. The coil pipe 9 can be made of metal and other materials with good heat conducting performance, the surface area is increased through fins or corrugations, the longer coil pipe 9 can prolong the heat exchange time at the same time, and insufficient heat exchange caused by too fast gas flow speed is overcome to a certain extent.
The preparation method of the hot water or the steam comprises the following steps:
compressed air is sent into the vortex tube 1 from a compressed air inlet 3 to prepare hot air flow, and the pressure of the inlet is generally greater than 0.7 MPa;
part of the hot air flow is sent into a main water tank 6 in a bubble form by using a gas distributor 5 and is fully contacted with water for heat exchange to generate a high-temperature gas-water mixture;
a portion of the hot gas stream is sent to the heat exchanger 13 as heat medium;
the obtained high-temperature gas-water mixture is subjected to gas-liquid separation by a gas-liquid separator 12, and the obtained water is heated by the other part of the hot airflow through a heat exchanger 13 to obtain hot water or steam 14.
Furthermore, the pressure of the hot air flow can be adjusted by using a pressure adjusting valve 4, so that the temperature and the flow rate of the hot air flow are adjusted, and when the compressed air at the inlet is at normal temperature, the temperature of the hot air flow at the outlet of the hot end can reach more than 100 ℃ through the adjustment of the pressure adjusting valve 4; when the inlet temperature and pressure of the compressed air are further increased, the outlet temperature of the hot-end airflow can be higher.
Further, the temperature of the high-temperature gas-water mixture is in the range of 60-100 ℃ by adjusting the flow rate of the hot air flow and the water amount of the main water tank 6, and the separated water is further heated in the heat exchanger 13. The product state can be adjusted by adjusting the temperature and the flow of hot airflow entering the heat exchanger 13 and the flow rate of hot water entering the heat exchanger 13; for example, if hot water is required to be produced, the hot water can be produced by reducing the temperature and the flow rate of the hot gas flow, increasing the hot water flow rate of the heat exchanger 13 and the like; if steam is required to be produced, the steam can be produced by measures of increasing the temperature and the flow rate of hot airflow, reducing the hot airflow rate of the heat exchanger 13 and the like.
Further, the gas obtained by gas-liquid separation and the gas heated by the heat exchanger 13 can be both sent to the preheating water tank 7 to preheat water, and the preheated water is used as the water supplement of the main water tank 6.
Therefore, the invention can obtain hot water or steam only by means of compressed air, can expand the application range of the compressed air and provides a new way for utilizing the energy of the compressed air.
Claims (10)
1. A water heater or steam generator taking compressed air as an energy source is characterized by comprising a vortex tube (1) with a compressed air inlet (3), hot air output from a hot end outlet of the vortex tube (1) is divided into two paths, one path is connected with a main water tank (6) through a gas distributor (5), the hot air is sent into the main water tank (6) in a bubble form, the water tank is fully contacted with water for heat exchange to generate a high-temperature gas-water mixture, the upper part of the main water tank (6) is provided with a high-temperature gas-water mixture outlet, the outlet of the high-temperature gas-water mixture is connected with a gas-liquid separator (12), the water outlet of the gas-liquid separator (12) is connected with the cold medium inlet of a heat exchanger (13), the hot medium inlet of the heat exchanger (13) is connected with the other path of the hot end outlet of the vortex tube (1), hot water or steam (14) is obtained at the cold medium outlet of the heat exchanger (13), thereby forming a water heater or steam generator.
2. A water heater or steam generator using compressed air as energy source according to claim 1, characterized in that the hot end outlet of the vortex tube (1) is provided with a pressure regulating valve (4) to regulate the flow rate and temperature by regulating the pressure of hot gas flow outputted from the hot end outlet.
3. A water heater or steam generator using compressed air as energy source according to claim 1, characterized in that the gas distributor (5) is arranged at the bottom of the main tank (6) and the bubbles formed move from bottom to top.
4. A water heater or steam generator using compressed air as energy source according to claim 1 or 3, characterized in that said gas distributor (5) is provided in plurality, in parallel.
5. A water heater or steam generator using compressed air as energy source according to claim 1, characterized in that the outlet of the high temperature gas-water mixture is connected to a gas-liquid separator (12) through a pump (11).
6. A water heater or steam generator using compressed air as energy source according to claim 1, characterized in that the air outlet of the gas-liquid separator (12) and the outlet of the heat medium of the heat exchanger (13) are connected to the coil (9) in the preheating water tank (7), and the water outlet of the preheating water tank (7) is connected to the main water tank (6) for supplying water to the main water tank.
7. A water heater or steam generator using compressed air as an energy source according to claim 1, characterized in that the heat exchanger (13) is a regenerative heat exchanger filled with a heat storage material and the gas distributor (5) is a porous baffle or a porous medium.
8. The method for preparing hot water or steam of a water heater or a steam generator with compressed air as an energy source according to claim 1 is characterized in that the compressed air is fed into a vortex tube (1) to prepare hot air flow, one part of the hot air flow is fed into a main water tank (6) in a bubble form by a gas distributor (5) and is fully contacted with water to exchange heat to generate high-temperature gas-water mixture, the high-temperature gas-water mixture is subjected to gas-liquid separation by a gas-liquid separator (12), and the obtained water is heated by the other part of the hot air flow by a heat exchanger (13) to obtain hot water or steam (14).
9. A hot water or steam production method according to claim 8, wherein the gas obtained by gas-liquid separation and the gas heated by the heat exchanger (13) are both sent to a preheating water tank (7) for preheating water, and the preheated water is used as the make-up water for the main water tank (6).
10. The hot water or steam preparation method according to claim 8, characterized in that the pressure of the compressed air inlet (3) of the vortex tube (1) is greater than 0.7MPa, the temperature of the hot air flow is adjusted to be more than 100 ℃ through a pressure regulating valve (4), the temperature of the high-temperature air-water mixture is adjusted to be 60-100 ℃ by adjusting the flow rate of the hot air flow and the water amount of the main water tank (6), and hot water or steam (14) is obtained by adjusting the temperature and the flow rate of the hot air flow entering the heat exchanger (13) and the water flow rate entering the heat exchanger (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110846457.4A CN113623622A (en) | 2021-07-26 | 2021-07-26 | Water heater or steam generator using compressed air as energy source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110846457.4A CN113623622A (en) | 2021-07-26 | 2021-07-26 | Water heater or steam generator using compressed air as energy source |
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| Publication Number | Publication Date |
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| CN113623622A true CN113623622A (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110846457.4A Pending CN113623622A (en) | 2021-07-26 | 2021-07-26 | Water heater or steam generator using compressed air as energy source |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117028960A (en) * | 2023-09-27 | 2023-11-10 | 国网江苏省电力有限公司常州供电分公司 | Closed circulation steam generating device with heat storage function |
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| JPH09159331A (en) * | 1995-12-08 | 1997-06-20 | Sanko Air Plant Ltd | Ice making method and device and warm-water heat accumulating method that uses excess heat of ice making as heat source |
| CN101069055A (en) * | 2004-09-24 | 2007-11-07 | 特兰斯朗科技有限公司 | Systems and methods for low-temperature gas separation |
| US20100070090A1 (en) * | 2008-09-16 | 2010-03-18 | Air Energy Solutions, Inc. | Heating and cooling system using compressed fluid |
| CN202521949U (en) * | 2012-03-27 | 2012-11-07 | 刘卿龙 | Novel hot water system of solar air conditioner |
| CN204787425U (en) * | 2015-07-02 | 2015-11-18 | 天津商业大学 | Prepare hydrothermal circulation system of high temperature |
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| CN207214854U (en) * | 2017-07-31 | 2018-04-10 | 常州市杰洋精密机械有限公司 | Liquid quickly cooling device |
| CN109899269A (en) * | 2017-12-07 | 2019-06-18 | 深圳市富能新能源科技有限公司 | Waste-heat recovery device |
| US20210024834A1 (en) * | 2019-07-24 | 2021-01-28 | Baker Hughes, A Ge Company, Llc | Advanced process fluid cooling systems and related methods |
-
2021
- 2021-07-26 CN CN202110846457.4A patent/CN113623622A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09159331A (en) * | 1995-12-08 | 1997-06-20 | Sanko Air Plant Ltd | Ice making method and device and warm-water heat accumulating method that uses excess heat of ice making as heat source |
| CN101069055A (en) * | 2004-09-24 | 2007-11-07 | 特兰斯朗科技有限公司 | Systems and methods for low-temperature gas separation |
| US20100070090A1 (en) * | 2008-09-16 | 2010-03-18 | Air Energy Solutions, Inc. | Heating and cooling system using compressed fluid |
| CN202521949U (en) * | 2012-03-27 | 2012-11-07 | 刘卿龙 | Novel hot water system of solar air conditioner |
| CN204787425U (en) * | 2015-07-02 | 2015-11-18 | 天津商业大学 | Prepare hydrothermal circulation system of high temperature |
| CN105498462A (en) * | 2015-11-27 | 2016-04-20 | 浙江大学 | Liquid dehumidification combined vortex tube low-temperature air-flow output device and pulverizing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117028960A (en) * | 2023-09-27 | 2023-11-10 | 国网江苏省电力有限公司常州供电分公司 | Closed circulation steam generating device with heat storage function |
| CN117028960B (en) * | 2023-09-27 | 2024-01-02 | 国网江苏省电力有限公司常州供电分公司 | Closed circulation steam generating device with heat storage function |
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