CN102759290A - Industrial waste heat recovery device and heat conduction media - Google Patents
Industrial waste heat recovery device and heat conduction media Download PDFInfo
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- CN102759290A CN102759290A CN2012102671406A CN201210267140A CN102759290A CN 102759290 A CN102759290 A CN 102759290A CN 2012102671406 A CN2012102671406 A CN 2012102671406A CN 201210267140 A CN201210267140 A CN 201210267140A CN 102759290 A CN102759290 A CN 102759290A
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- heat
- electromagnetic pump
- industrial waste
- recovery device
- waste heat
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Abstract
The invention provides an industrial waste heat recovery device and a heat conduction media, belonging to the technical field of industrial waste heat recovery and utilization. According to the industrial waste heat recovery device disclosed by the invention, an electromagnetic pump is utilized to drive a low melting point and high boiling point liquid-state metal or alloy to recover heat. The industrial waste heat recovery device mainly comprises a heat absorber, a heat exchange element, an expansion compensator and the electromagnetic pump, wherein the heat absorber, the heat exchange element, the expansion compensator and the electromagnetic pump are sequentially connected through a pipeline to form a heat conduction media circulation loop. According to the industrial waste heat recovery device disclosed by the invention, with the electromagnetic pump as a drive device and a metal or an alloy with low melting point, high boiling point and good heat conducting property as the heat conduction media, by injecting the heat conduction media into the circulation loop through an injection groove, the electromagnetic pump drives a metal flow flows in the loop, and circulation heat transfer is realized. In the working process, each working device is regulated according to data of temperature, pressure and the like measured by a sensor. The industrial waste heat recovery device has the advantages that the device volume is small, the heat transfer efficiency is high, and the adaptive temperature range is large.
Description
Technical field
The invention belongs to industrial afterheat recovery and utilize technical field, be specifically related to a kind of industrial afterheat recovery device and heat-conducting medium.
Background technology
China's industrial circle energy-output ratio accounts for 70% of national energy-output ratio, and major industrial product specific energy consumption average specific international most advanced level exceeds about 30%.Except production technology; Outside the factors such as the industrial structure, it is the major reason that causes energy consumption high that the energy is not fully fully utilized, and China's energy utilization rate is merely about 33%; Than developed country low about 10%; At least 50% industrial consumption energy is discarded by directly with various forms of waste heats, so China's industrial waste heat resource is abundant, and the utilization rate room for promotion is big.In recent years, the industrial afterheat recovery utilization becomes the important content that advances China's energy-saving and emission-reduction work.
Divide according to temperature, industrial exhaust heat generally is divided into: the high-temperature residual heat more than 600 ℃, 300～600 ℃ middle temperature waste heat and the low temperature exhaust heat below 300 ℃; According to the source, industrial exhaust heat can be divided into again: fume afterheat, cooling medium waste heat, waste vapour waste water residual heat, chemical reaction heat, high-temperature product and afterheat of slags, and combustible exhaust gas, waste material waste heat.
China is high, middle temperature UTILIZATION OF VESIDUAL HEAT IN technical equipment is effectively popularized, and low temperature exhaust heat goes out of use owing to corresponding utilization technology is immature basically, causes the waste heat overall utilization rate low.Industrial exhaust heat waste heat amount is unstable, and the waste heat medium character is abominable, the residual heat using device poor working environment, and existing apparatus waste heat recovery efficient is low.
Summary of the invention
The objective of the invention is to solve the problem that prior art exists; Provide to run on relative rugged environment, and running status is stable, can adapt to changeable manufacturing technique requirent; The part of appliance reliability is high, and high a kind of industrial afterheat recovery device and the heat-conducting medium of waste heat recovery efficient.
The present invention solves the problems of the technologies described above the technical scheme of taking to be:
A kind of industrial afterheat recovery device; It is characterized in that: connect to form through pipeline successively by heat sink, heat exchange element, expansion appliance, electromagnetic pump; And the closed circuit of formation heat-conducting medium, be provided with fluid injection groove, exhaust apparatus, positive displacement pump in the pipeline between heat sink and electromagnetic pump; Said heat sink is arranged in the waste heat medium of industrial afterheat recovery; Heat transferring medium exports in the corresponding gatherer through pipeline in the heat exchange element; Each parts is all taked heat insulation measure in the closed circuit of said heat-conducting medium; The gateway that on pipeline, is positioned at electromagnetic pump is respectively equipped with pressure measxurement sensor and sensor for measuring temperature, also is provided with sensor for measuring temperature near the said heat exchange element; On pipeline, also be provided with flowmeter.
Heat-conducting medium is characterized in that: this heat-conducting medium is low melting point, higher boiling metal, and the environment temperature of use is controlled at more than the fusing point of metal.
The present invention compared with prior art has following beneficial effect:
1, because the heat-conducting medium that the present invention adopts is the liquid metal gallium, its density height, high thermal conductivity coefficient, low melting point, higher boiling, high stability characteristic have improved industrial afterheat recovery efficient; Apparatus of the present invention volume is less;
2, the metal recycling rate of waterused of the present invention's employing is high, and secondary drops into low, can effectively control cost, and device volume is less;
3, liquid metal of the present invention adopts electromagnetic pump to drive, and effectively reduces fluid resistance.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Among the figure: 1-fluid injection groove; 2-valve; 3-heat sink; 4-pipeline; 5-sensor for measuring temperature; 6-heat exchange element; 7-expansion appliance; 8-pressure measxurement sensor; 9-electromagnetic pump; 10-flowmeter; 11-positive displacement pump; 12-exhaust apparatus.
The specific embodiment
As shown in Figure 1, a kind of industrial afterheat recovery device connects to form the heat-conducting medium closed circuit through pipeline 4 successively by heat sink 3, heat exchange element 6, expansion appliance 7, electromagnetic pump 9; Be provided with fluid injection groove 1, exhaust apparatus 12, positive displacement pump 11 in the pipeline between heat sink 3 and electromagnetic pump 9; Said heat sink 3 is arranged in the waste heat medium of industrial afterheat recovery; Be provided with heat transferring medium in the said heat exchange element, and export in the corresponding gatherer through pipeline; Each parts is all taked heat insulation measure in the said heat-conducting medium closed circuit; The gateway that on pipeline, is positioned at electromagnetic pump is respectively arranged with pressure measxurement sensor 8 and sensor for measuring temperature 5, also is provided with sensor for measuring temperature 5 near the heat exchange element; On pipeline, also be provided with flowmeter 10.
The heat-conducting medium that the specific embodiment of the invention is used is the liquid metal gallium, and the environment temperature that this heat-conducting medium uses is controlled at its fusing point more than 29.78 ℃.Perhaps heat-conducting medium also can use tin bismuth indium alloy, and the environment temperature of its use is controlled at its fusing point more than 47 ℃.
Method for using and working method:
Heat sink 3 is placed in the waste heat media environment of industrial afterheat recovery, opens fluid injection groove valve 2, liquid metal is injected closed circuit through fluid injection groove 1; Exhaust apparatus 12 beginning exhausts simultaneously, liquid metal is filled with the loop, and exhaust apparatus cuts out automatically; Valve-off 2 starts electromagnetic pump 9, and liquid metal is under the electromagnetic pump effect; In the loop, flow, realize the circulation heat transfer, and pass through heat exchange element 6 heat recovery.In the course of work, use Programmable Logic Controller to realize the automatic control of heat exchange element work and electromagnetic pump operation, according to the temperature value of sensor for measuring temperature 5 measurement gained, the work of auto-control heat exchange element, and monitoring electromagnetic pump operating ambient temperature.The force value of measuring according to the pressure measxurement sensor that is arranged on the electromagnetic pump gateway 8 and be arranged on the flow value that ducted flowmeter 10 records, the running status of regulating electromagnetic pump 9 automatically.
Fluid injection, the discharge opeing course of work:
Fluid injection groove 1 is used to inject liquid metal, utilizes the liquid metal self gravitation that fluid is pressed and is injected in the airtight pipeline.Exhaust apparatus 12 utilizes the power of float with liquid surface lifting, and the interlock exhaust apparatus opens and closes, and reaches self-bleeding purpose.Device after hours, the electronic positive displacement pump of the minimum point through being in total 11 is discharged system with liquid metal, thereby reclaims.
Claims (3)
1. an industrial afterheat recovery device is characterized in that: connected to form through pipeline (4) successively with electromagnetic pump (9) by heat sink (3), heat exchange element (6), expansion appliance (7), and constitute the closed circuit of heat-conducting medium; Be provided with fluid injection groove (1), exhaust apparatus (12), positive displacement pump (11) in the pipeline between said heat sink (3) and electromagnetic pump (9); Said heat sink (3) is arranged in the waste heat medium of industrial afterheat recovery; Be provided with heat transferring medium in the said heat exchange element, and export in the corresponding gatherer through pipeline; Each parts is all taked heat insulation measure in the closed circuit of said heat-conducting medium; The gateway that on pipeline, is positioned at electromagnetic pump is respectively equipped with pressure measxurement sensor (8) and sensor for measuring temperature (5), also is provided with sensor for measuring temperature (5) near the heat exchange element; On pipeline, also be provided with flowmeter (10).
2. heat-conducting medium, it is characterized in that: this heat-conducting medium is low melting point, higher boiling metal or alloy.
3. according to the described heat-conducting medium of claim 2, it is characterized in that: the environment temperature of use is controlled at more than the fusing point of heat-conducting medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102671406A CN102759290A (en) | 2012-07-27 | 2012-07-27 | Industrial waste heat recovery device and heat conduction media |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102671406A CN102759290A (en) | 2012-07-27 | 2012-07-27 | Industrial waste heat recovery device and heat conduction media |
Publications (1)
| Publication Number | Publication Date |
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| CN102759290A true CN102759290A (en) | 2012-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012102671406A Pending CN102759290A (en) | 2012-07-27 | 2012-07-27 | Industrial waste heat recovery device and heat conduction media |
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| CN (1) | CN102759290A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351906A (en) * | 2015-10-09 | 2016-02-24 | 北京依米康科技发展有限公司 | Industrial flue gas waste heat recovery device based on liquid metals |
| CN110846212A (en) * | 2019-11-15 | 2020-02-28 | 宿州市美联阳光饲料有限责任公司 | Feed fermentation bag |
| CN111128410A (en) * | 2019-12-31 | 2020-05-08 | 中国核动力研究设计院 | Heat pipe reactor system and energy conversion mode thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS542565A (en) * | 1977-06-04 | 1979-01-10 | Schmidt Sche Heissdampf | Heat exchange method particularly for cooling decomposed gas and heat exchanger for executing same |
| JPS5932874U (en) * | 1982-08-26 | 1984-02-29 | 三菱電機株式会社 | Waste heat recovery equipment |
| US20090219693A1 (en) * | 2008-03-03 | 2009-09-03 | Harris Corporation | Cooling system for high voltage systems |
| CN102927843A (en) * | 2011-08-12 | 2013-02-13 | 中国科学院理化技术研究所 | Flue gas waste heat recovery system based on liquid metal heat transfer |
-
2012
- 2012-07-27 CN CN2012102671406A patent/CN102759290A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS542565A (en) * | 1977-06-04 | 1979-01-10 | Schmidt Sche Heissdampf | Heat exchange method particularly for cooling decomposed gas and heat exchanger for executing same |
| JPS5932874U (en) * | 1982-08-26 | 1984-02-29 | 三菱電機株式会社 | Waste heat recovery equipment |
| US20090219693A1 (en) * | 2008-03-03 | 2009-09-03 | Harris Corporation | Cooling system for high voltage systems |
| CN102927843A (en) * | 2011-08-12 | 2013-02-13 | 中国科学院理化技术研究所 | Flue gas waste heat recovery system based on liquid metal heat transfer |
Non-Patent Citations (1)
| Title |
|---|
| 李海燕等: "低品位余热利用技术的研究现状、困境和新策略", 《科技导报》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351906A (en) * | 2015-10-09 | 2016-02-24 | 北京依米康科技发展有限公司 | Industrial flue gas waste heat recovery device based on liquid metals |
| CN105351906B (en) * | 2015-10-09 | 2017-06-06 | 北京态金科技有限公司 | Industrial smoke waste-heat recovery device based on liquid metal |
| CN110846212A (en) * | 2019-11-15 | 2020-02-28 | 宿州市美联阳光饲料有限责任公司 | Feed fermentation bag |
| CN111128410A (en) * | 2019-12-31 | 2020-05-08 | 中国核动力研究设计院 | Heat pipe reactor system and energy conversion mode thereof |
| CN111128410B (en) * | 2019-12-31 | 2022-07-26 | 中国核动力研究设计院 | Heat pipe reactor system and energy conversion mode thereof |
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Application publication date: 20121031 |