CN203657514U - Waste heat recovery device of ingot furnace - Google Patents
Waste heat recovery device of ingot furnace Download PDFInfo
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- CN203657514U CN203657514U CN201320804806.7U CN201320804806U CN203657514U CN 203657514 U CN203657514 U CN 203657514U CN 201320804806 U CN201320804806 U CN 201320804806U CN 203657514 U CN203657514 U CN 203657514U
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- ingot furnace
- heat
- heat exchanger
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- recovery device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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Abstract
The utility model discloses a waste heat recovery device of an ingot furnace. The waste heat recovery device of the ingot furnace comprises the ingot furnace, a heat exchanger unit and a refrigerating machine, wherein the refrigerating machine is communicated with the heat exchanger unit through a cooling water outlet pipe and a cooling water return pipe to form a circulation loop I, the ingot furnace is communicated with the heat exchanger unit through a cooling water inlet pipeline and a return water outlet pipeline to form a circulation loop II, a heat exchanger is additionally added to the middle section of the return water outlet pipeline, a water inlet of the heat exchanger is communicated with a tap water inlet pipe, and a water outlet of the heat exchanger is communicated with silicon processing equipment through a tap water outlet pipe. The waste heat recovery device of the ingot furnace can increase heat exchange conversion by adding pipelines, can lower the temperature of cooling water at the outlet of the ingot furnace without any loss of cooling water, reduce cooling loads of the refrigerating machine and the like, can convert the heat of the ingot furnace to other positions needing heat, and achieves the effect of comprehensive utilization of energy.
Description
Technical field
The utility model relates to a kind of recycling equipment that adopts vacuum casting process to produce waste heat that silicon ingot produces, especially a kind of ingot furnace waste-heat recovery device.
Background technology
At present mainly concentrate on the waste heat recovery to high-temperature flue gas in the heat recovery technology of the industries such as steel plant, Foundry Works, machinery plant, because discharging continuously, waste heat easily reclaims, as application complete set technology is carried out exhaust heat recovery power generation etc.
At photovoltaic industry, the block casting of silicon material is become the ingot furnace of polycrystal silicon ingot all silicon material heating are at high temperature melted, then slowly cooling solidification growth, therefore needs very large heat, with good effect of heat insulation, need the heat labile position of maintenance equipment in low-temperature condition simultaneously.Therefore need constantly have cooling water to carry out cooling, could meet production requirement.21 ℃-24 ℃ of ingot furnace cold in-water temperatures, these cooling waters by the heat in ingot furnace by heat exchange after, water temperature raise, leaving water temperature is generally at 28 ℃-32 ℃.These water temperatures, according to normal design, by increasing heat exchange unit and part inlet and outlet pipe, are utilized temperature difference principle, and each link energy consumption is rationally recycled.
The defect of above-mentioned energy recovery is mainly manifested in the following aspects:
1. the heat exchange pipe of ingot furnace is to utilize the normal pipeline of former factory, and the heat-exchanger that these pipelines increase is difficult to be connected with other process equipments of silicon material, has caused the wasting of resources, and heat runs off.
2. ingot furnace waste-heat recovery device, first recovery method is different from theory of the present invention, and secondly using cooling medium is low temperature nitrogen, and in ingot furnace, nitrogen circulation is lower with the ability of carrying heat, cannot meet high-power cooling effect.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of ingot furnace waste-heat recovery device, this device, by newly-increased pipeline, increases heat exchange conversion, can be without any cooling water loss in the situation that, reduce the water temperature of ingot furnace outlet cooling water, the cooling load of minimizing refrigeration machine etc.; The heat of ingot furnace can be transformed into the position that other need heat again, reach the effect of comprehensive utilization of energy simultaneously.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of ingot furnace waste-heat recovery device, comprise ingot furnace, heat-exchanger and refrigeration machine, between described refrigeration machine and heat-exchanger, be communicated with by cooling water outlet pipe and CWR, form closed circuit one, between described ingot furnace and heat-exchanger, be communicated with by cold water inlet road and backwater outlet pipeline, form closed circuit two, it is characterized in that described backwater outlet pipeline interlude has additional heat exchanger, the water inlet of described heat exchanger is communicated with running water water inlet pipe, the delivery port of heat exchanger is communicated with silicon material process equipment by running water outlet pipe.
Said structure is described further, and the backwater outlet pipeline of described heat exchanger two-port is provided with revolving valve.
Said structure is described further, on pipeline, CWR and running water water inlet pipe between described heat exchanger and ingot furnace, is equipped with pressure pump.
Said structure is described further, and described silicon material process equipment is silicon wafer cleaner or wafer thinning and polissoir.
The beneficial effect that adopts technique scheme to produce is:
1. the utility model, by the configuration of reasonable pipeline, increases heat exchange unit, utilizes temperature difference principle, can be without any cooling water loss in the situation that, reduce the water temperature of ingot furnace outlet backwater, the cooling load of minimizing refrigeration machine etc.; The heat of ingot furnace can be transformed into the position that other need heat again, reach the effect of comprehensive utilization of energy simultaneously;
2. the utility model adopts running water as heat transferring medium, has replaced the ingot furnace of tradition take nitrogen as medium, and its heat exchange efficiency is high, and cost is low, avoids the waste of resource.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is framework connection diagram of the present utility model;
Wherein: 1, refrigeration machine, 2, cooling water outlet pipe, 3, CWR, 4, heat-exchanger, 5, cold water inlet road, 6, backwater outlet pipeline, 7, ingot furnace, 8, heat exchanger, 9, running water water inlet pipe, 10, running water outlet pipe, 11, silicon material process equipment.
The specific embodiment
The utility model is specifically related to a kind of ingot furnace waste-heat recovery device, is mainly the problem in order to solve ingot furnace waste heat recovery, reduces the wasting of resources, improves heat integration.
1 is known with reference to the accompanying drawings, the utility model specifically comprises ingot furnace 7, heat-exchanger 4 and refrigeration machine 1, between refrigeration machine 1 and heat-exchanger 4, be communicated with by cooling water outlet pipe 2 and CWR 3, form closed circuit one, between ingot furnace 7 and heat-exchanger 4, be communicated with by cold water inlet road 5 and backwater outlet pipeline 6, form closed circuit two, backwater outlet pipeline 6 interludes have additional heat exchanger 8, the water inlet of heat exchanger 8 is communicated with running water water inlet pipe 9, the delivery port of heat exchanger 8 is communicated with silicon material process equipment 11 by running water outlet pipe 10.The backwater outlet pipeline 6 of heat exchanger 8 two-port is provided with revolving valve.On pipeline, CWR 3 and running water water inlet pipe 9 between heat exchanger 8 and ingot furnace 7, be equipped with pressure pump, can improve water circulating speed.
The utility model, by newly-increased pipeline, increases heat exchanger 8, can be without any cooling water loss in the situation that, and reduction ingot furnace 7 exports the water temperature of cooling water, reduces the cooling load of refrigeration machine 1 grade; The heat of ingot furnace 7 can be transformed into the position that other need heat again, reach the effect of comprehensive utilization of energy simultaneously.
Water-flow circuit in the utility model: 21 ℃-24 ℃ of ingot furnace 7 cold in-water temperatures, these cooling waters in closed circuit one by the heat in ingot furnace 7 by heat exchange after, water temperature raises, leaving water temperature is generally at 28 ℃-32 ℃, these water temperatures are according to normally, should be back to heat-exchanger 4 carries out cooling, continue to participate in cooling procedure, the present invention is by changing pipeline, water outlet cooling water pipeline is caused to the heat exchanger 8 that other need to heat up, for example terminal is the matting in silicon chip workshop, by heat exchange principle, the water temperature of pure water is raise, to meet need of production.Output water temperature is after over-heat-exchanger 8, and water temperature reduces, and again enters into heat-exchanger 4, is cooled to the temperature of ingot furnace requirement, participates in circulation.
Claims (4)
1. an ingot furnace waste-heat recovery device, comprise ingot furnace (7), heat-exchanger (4) and refrigeration machine (1), between described refrigeration machine (1) and heat-exchanger (4), be communicated with by cooling water outlet pipe (2) and CWR (3), form closed circuit one, between described ingot furnace (7) and heat-exchanger (4), be communicated with by cold water inlet road (5) and backwater outlet pipeline (6), form closed circuit two, it is characterized in that described backwater outlet pipeline (6) interlude has additional heat exchanger (8), the water inlet of described heat exchanger (8) is communicated with running water water inlet pipe (9), the delivery port of heat exchanger (8) is communicated with silicon material process equipment (11) by running water outlet pipe (10).
2. ingot furnace waste-heat recovery device according to claim 1, is characterized in that the backwater outlet pipeline (6) of described heat exchanger (8) two-port is provided with revolving valve.
3. ingot furnace waste-heat recovery device according to claim 1, is characterized in that being equipped with pressure pump on pipeline, CWR (3) and the running water water inlet pipe (9) between described heat exchanger (8) and ingot furnace (7).
4. ingot furnace waste-heat recovery device according to claim 1, is characterized in that described silicon material process equipment (11) is silicon wafer cleaner or wafer thinning and polissoir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320804806.7U CN203657514U (en) | 2013-12-10 | 2013-12-10 | Waste heat recovery device of ingot furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320804806.7U CN203657514U (en) | 2013-12-10 | 2013-12-10 | Waste heat recovery device of ingot furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203657514U true CN203657514U (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320804806.7U Expired - Fee Related CN203657514U (en) | 2013-12-10 | 2013-12-10 | Waste heat recovery device of ingot furnace |
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| Country | Link |
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| CN (1) | CN203657514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741159A (en) * | 2017-11-13 | 2018-02-27 | 晶科能源有限公司 | A kind of retracting device and recycling system of silicon ingot heat |
-
2013
- 2013-12-10 CN CN201320804806.7U patent/CN203657514U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741159A (en) * | 2017-11-13 | 2018-02-27 | 晶科能源有限公司 | A kind of retracting device and recycling system of silicon ingot heat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140618 Termination date: 20161210 |