CN205127913U - Solid -state salt inception system of melting - Google Patents
Solid -state salt inception system of melting Download PDFInfo
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- CN205127913U CN205127913U CN201520872075.9U CN201520872075U CN205127913U CN 205127913 U CN205127913 U CN 205127913U CN 201520872075 U CN201520872075 U CN 201520872075U CN 205127913 U CN205127913 U CN 205127913U
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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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The utility model provides a solid -state salt inception system of melting, includes that the material tears bagging apparatus, material crushing device, charging equipment, fused salt boiler, fused salt groove, exhaust system, cooling system and temperature control system open. The material is torn the feed bin of bagging apparatus open and is connected with material crushing device's income hopper, and material crushing device's material export is connected with charging equipment's feed inlet, and charging equipment's discharge gate is connected with the income salt mouth in fused salt groove, and the molten salt circulating pump on the fused salt groove loops in through fused salt pipeline and fused salt boiler. Cooling system is connected with the bearing retainer's of agitator, molten salt circulating pump and fused salt rear pump the cover that presss from both sides respectively. Temperature control system respectively with fused salt groove, electric heater and fused salt boiler in temperature sensor be connected. The utility model discloses can adopt gaseous fuel or electric power direct heating fused salt to carry out the inception and melt, not need the secondary heat transfer, and can continuous melting in 7 24 hours the output operation, the system has thermal efficiency height, solid -state salt melting speed beneficial effect such as fast.
Description
Technical field
The utility model belongs to technical field of energy storage, particularly relates to the incipient melting system of a kind of solid salt.
Background technology
Fuse salt is the molten state liquid of salt, usually referred to as fused salt.Fused salt is general not moisture, and electrical conductivity is higher, Heat stability is good, is widely used in industry and various high-tech area.Early stage fused salt is mainly used in electrolytic metallurgy, along with deepening continuously to the research of fused salt structures and characteristics and scientific and technical fast development, fused salt is more and more broader as the range of application of energy-accumulating medium, especially in new forms of energy and energy-saving and emission-reduction field, shows important function.Molten salt energy-storage refers to the features such as the use warm area utilizing fused salt is large, specific heat capacity is high, heat exchange property is good, utilize fused salt by heat storage, the heat stored by fused salt by equipment such as heat exchanger, heat-transfer working medium and kinetic pumps again when needing to utilize heat is taken out for use.Because the high-temperature region of fused salt more than 300 DEG C has extraordinary chemistry and heat endurance, and it has the advantages such as environment friendly and pollution-free and low price, is excellent middle heat of high temperature storage medium.
Solid salt incipient melting is the indispensability work before fused salt hold over system comes into operation, and under normal temperature, accumulation of heat fused salt is solid granular, only has solid salt to mix by a certain percentage and inject fused salt heat-accumulator tank after the fusing that heats up could realize accumulation of heat and associated hot application.Along with fast development and the application of extensive fused salt heat storage technology, solid salt incipient melting preparation scheme seems particularly important.
The incipient melting of solid salt adopt indirect heated component more, after namely heat carrier (being generally conduction oil or ternary molten salt) obtains heat energy by gas fired-boiler or oil burning boiler, solid salt are melted in fused salt groove through secondary heat exchange.This indirect Technical comparing is ripe, but there is certain defect: be higher to equipment requirement on the one hand, need ensure No leakage in secondary heat exchange process, if conduction oil is mixed in high-temperature molten salt have explosion danger; Be owing to there is secondary heat exchange on the other hand, thus heat exchange efficiency is lower.
For prior art above shortcomings, the utility model provides a kind of gaseous fuel or direct mode of heating of electric power of adopting to carry out melting system at the beginning of solid salt that is incipient melting and that heat up to solid salt.Under black furnace starting state, first electric heater is used by solid salt heating particles to molten state, when fused salt liquid level arrives certain altitude, start molten salt circulating pump and fused salt boiler and stop electric heater, low-temperature molten salt is heated to form high-temperature molten salt in fused salt boiler, and be back in fused salt groove and directly carry out heat exchange with solid salt particle, solid salt particle is melted completely, and fused salt is delivered to heat storage can to realize the engineer applied of fused salt by fused salt rear pump.
Utility model content
The utility model provides a kind of solid salt incipient melting system, and gaseous fuel or electric power can be adopted directly to heat fused salt and carry out incipient melting, not need secondary heat exchange, thus system has the beneficial effects such as the thermal efficiency is high, solid salt burn-off rate is fast.
The technical problem that the utility model solves realizes by the following technical solutions: the utility model provides a kind of solid salt incipient melting system, comprises material unpacking device 1, material-pulverizing device 4, charging equipment 7, fused salt boiler 22, fused salt groove 11, gas extraction system 14, cooling system 23 and temperature control system 24; Described material unpacking device 1 side is provided with conveyer 2, and below is provided with discharging bin 3; Be provided with material bin 5 above described material-pulverizing device 4, side is provided with material outlet 6; Described charging equipment 7 side is provided with charging aperture 8, and the bottom of charging aperture 8 is provided with vibrating device 9, and charging equipment 7 opposite side is provided with discharging opening 10; Described charging equipment 7 left is provided with fused salt groove 11;
Described fused salt groove 11 bottom is provided with electric heater 15, the top of described fused salt groove 11 inside is provided with molten salt circulating pump 18 from left to right successively, fused salt rear pump 19 and agitator 16, guide shell 17 is provided with above described agitator 16, described fused salt groove 11 top is provided with exhaust outlet 13 from left to right successively and enters salt mouth 12, described exhaust outlet 13 top is provided with gas extraction system 14, described fused salt groove 11 left is provided with liquid level gauge 20, described liquid level gauge 20 left is provided with temperature control system 24, is provided with fused salt boiler 22 and cooling system 23 above described fused salt groove 11.
Especially, the described discharging bin 3 of material unpacking device 1 is connected with the material bin 5 of material-pulverizing device 4, the material outlet 6 of described material-pulverizing device 4 is connected with the charging aperture 8 of charging equipment 7, the discharging opening 10 of described charging equipment 7 is connected with the salt mouth 12 that enters of fused salt groove 11, and the molten salt circulating pump 18 on described fused salt groove 11 forms loop by fused salt pipeline 21 and fused salt boiler 22.
Especially, described cooling system 23 is connected with the chuck of the support of bearing of agitator 16, molten salt circulating pump 18 and fused salt rear pump 19 respectively.
Especially, described temperature control system 24 is connected with the temperature sensor in fused salt groove 11, electric heater 15 and fused salt boiler 22 respectively.
Especially, described material unpacking device 1, material-pulverizing device 4 and charging equipment 7 are automation equipment, described electric heater 15 is electrical immersion heater, described agitator 16 is propeller agitator, described molten salt circulating pump 18 and fused salt rear pump 19 are liquid following formula centrifugal pump, and described fused salt boiler 22 is gas fired-boiler or electrically heated boiler.
The beneficial effects of the utility model are:
1, the utility model adopts gaseous fuel or electric power directly to heat fused salt, does not need secondary heat exchange, and therefore to have the thermal efficiency high for system, the advantages such as solid salt burn-off rate is fast.
2, the utility model can realize pulverizing, unpacking, fusing, the filtration to solid salt and export working continuously of high-temperature fusion salt simultaneously.
3, the utility model fused salt groove structure is simple, is not only easy to safeguard, and equipment investment cost is low, is conducive to large-scale promotion application.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further:
1-material unpacking device in figure, 2-conveyer, 3-discharging bin, 4-material-pulverizing device, 5-material bin, 6-material outlet, 7-charging equipment, 8-charging aperture, 9-vibrating device, 10-discharging opening, 11-fused salt groove, 12-enters salt mouth, 13-exhaust outlet, 14-gas extraction system, 15-electric heater, 16-agitator, 17-guide shell, 18-molten salt circulating pump, 19-fused salt rear pump, 20-liquid level gauge, 21-fused salt pipeline, 22-fused salt boiler, 23-cooling system, 24-temperature control system.
Embodiment:
The utility model comprises material unpacking device 1, material-pulverizing device 4, charging equipment 7, fused salt boiler 22, fused salt groove 11, gas extraction system 14, cooling system 23 and temperature control system 24; Described material unpacking device 1 side is provided with conveyer 2, and below is provided with discharging bin 3; Be provided with material bin 5 above described material-pulverizing device 4, side is provided with material outlet 6; Described charging equipment 7 side is provided with charging aperture 8, and the bottom of charging aperture 8 is provided with vibrating device 9, and charging equipment 7 opposite side is provided with discharging opening 10; Described charging equipment 7 left is provided with fused salt groove 11;
Described fused salt groove 11 bottom is provided with electric heater 15, the top of described fused salt groove 11 inside is provided with molten salt circulating pump 18 from left to right successively, fused salt rear pump 19 and agitator 16, guide shell 17 is provided with above described agitator 16, described fused salt groove 11 top is provided with exhaust outlet 13 from left to right successively and enters salt mouth 12, described exhaust outlet 13 top is provided with gas extraction system 14, described fused salt groove 11 left is provided with liquid level gauge 20, described liquid level gauge 20 left is provided with temperature control system 24, is provided with fused salt boiler 22 and cooling system 23 above described fused salt groove 11.
The described discharging bin 3 of material unpacking device 1 is connected with the material bin 5 of material-pulverizing device 4, the material outlet 6 of described material-pulverizing device 4 is connected with the charging aperture 8 of charging equipment 7, the discharging opening 10 of described charging equipment 7 is connected with the salt mouth 12 that enters of fused salt groove 11, and the molten salt circulating pump 18 on described fused salt groove 11 forms loop by fused salt pipeline 21 and fused salt boiler 22.
Described cooling system 23 is connected with the chuck of the support of bearing of agitator 16, molten salt circulating pump 18 and fused salt rear pump 19 respectively.
Described temperature control system 24 is connected with the heat detector in fused salt groove 11, electric heater 15 and fused salt boiler 22 respectively.
Described material unpacking device 1, material-pulverizing device 4 and charging equipment 7 are automation equipment, described electric heater 15 is electrical immersion heater, described agitator 16 is propeller agitator, described molten salt circulating pump 18 and fused salt rear pump 19 are liquid following formula centrifugal pump, and described fused salt boiler 22 is gas fired-boiler or electrically heated boiler.
Operation principle of the present utility model is as follows:
First packed solid salt is placed on conveyer 2, packed solid salt is sent into material unpacking device 1 and is carried out unpacking by conveyer 2 automatically, solid salt drops into the material bin 5 of material-pulverizing device 4 from discharging bin 3, entered the charging aperture 8 of charging equipment 7 from material outlet 6 by the solid salt after pulverizing, under the effect of the vibrating device 9 of charging aperture 8, solid salt delivers to the discharging opening 10 of charging equipment 7 equably, and enters fused salt groove 11 from entering salt mouth 12.When the solid salt particle in fused salt groove 11 reaches setting height, the solid salt heating particles in fused salt groove 11 is become molten state by opening electric heater.When the liquid level of fused salt in fused salt groove 11 exceeds the about 300 ~ 400mm in molten salt circulating pump 18 suction inlet position, start molten salt circulating pump 18 and fused salt boiler 22 successively, at this moment the low-temperature molten salt in fused salt groove 11 is sent into heating in fused salt boiler 22 by fused salt pipeline 21 by molten salt circulating pump 18, low-temperature molten salt heats up and becomes high-temperature molten salt, then be back in fused salt groove 11, high-temperature molten salt directly can carry out heat exchange to the solid salt particle do not melted in fused salt groove 11 or newly add, and makes solid salt particles fuse.When the volume of fused salt accounts for 70 ~ 80% of tank volume in fused salt groove 11, start fused salt rear pump 19, fused salt is delivered to the storage salt cellar of fused salt hold over system.After solid salt has been fed in raw material, when in fused salt groove 11, temperature of molten salt reaches assigned temperature, stop fused salt boiler 22 and molten salt circulating pump 18 successively, fused salt rear pump 19 works on until drained by the fused salt in fused salt groove 11.In the whole course of work, cooling system 23 passes into cooling water to the chuck of the support of bearing of agitator 16, molten salt circulating pump 18 and fused salt rear pump 19, ensure bearing bracket stand shell non-scald on hand, temperature no longer continues to rise, and each equipment bearing temperature is maintained within the scope of safe working temperature.
Material-pulverizing device 4 can prevent solid salt caking from blocking into salt mouth; The vibrator of charging equipment 7 can adjust vibration frequency and control delivery rate, prevents material to stagnate; Agitator 16 and guide shell 17 can make fluid be formed between the annular space of guide shell 17 and fused salt groove 11 to circulate, make solid salt particle be uniformly distributed in a liquid and be unlikely to be deposited on bottom land, and contribute to solid salt particle and melted by high-temperature molten salt fast in fused salt groove 11; In fused salt groove 11, the stirring action of agitator 16 realizes the mixed process of fused salt, does not need through solid-state premix; Agitator 16, by variable frequency regulating speed control stirring intensity, is guaranteed that several single salt mixes, and can be eliminated thermograde in fused salt groove 11; Molten salt circulating pump 18 and fused salt rear pump 19 can carry out groove Inner eycle and conveying operation simultaneously, avoid shutdown and cause fault.
Be described in detail of the present utility model by embodiment above, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.Allly utilize technical scheme described in the utility model; or those skilled in the art is under the inspiration of technical solutions of the utility model; design similar technical scheme and reach above-mentioned technique effect; or the equalization change do application range and improvement etc., still all should belong to patent of the present utility model and contain within protection domain.
Claims (5)
1. the incipient melting system of solid salt, is characterized in that: comprise material unpacking device, material-pulverizing device, charging equipment, fused salt boiler, fused salt groove, gas extraction system, cooling system and temperature control system; Described material unpacking device side is provided with conveyer, and below is provided with discharging bin; Be provided with material bin above described material-pulverizing device, side is provided with material outlet; Described charging equipment side is provided with charging aperture, and the bottom of charging aperture is provided with vibrating device, and charging equipment opposite side is provided with discharging opening; Described charging equipment left is provided with fused salt groove;
Described fused salt bottom land end is provided with electric heater, the top of described fused salt groove inside is provided with molten salt circulating pump from left to right successively, fused salt rear pump and agitator, guide shell is provided with above described agitator, described fused salt groove top is provided with exhaust outlet from left to right successively and enters salt mouth, and described exhaust outlet top is provided with gas extraction system, and described fused salt groove left is provided with liquid level gauge, described liquid level gauge left is provided with temperature control system, is provided with fused salt boiler and cooling system above described fused salt groove.
2. the incipient melting system of a kind of solid salt according to claim 1, it is characterized in that: the discharging bin of described material unpacking device is connected with the material bin of material-pulverizing device, the material outlet of described material-pulverizing device is connected with the charging aperture of charging equipment, the discharging opening of described charging equipment is connected with the salt mouth that enters of fused salt groove, and the molten salt circulating pump on described fused salt groove forms loop by fused salt pipeline and fused salt boiler.
3. the incipient melting system of a kind of solid salt according to claim 1, is characterized in that: described cooling system is connected with the chuck of the support of bearing of agitator, molten salt circulating pump and fused salt rear pump respectively.
4. the incipient melting system of a kind of solid salt according to claim 1, is characterized in that: described temperature control system is connected with the heat detector in fused salt groove, electric heater and fused salt boiler respectively.
5. the incipient melting system of a kind of solid salt according to claim 1, it is characterized in that: described material unpacking device, material-pulverizing device and charging equipment are automation equipment, described electric heater is electrical immersion heater, described agitator is propeller agitator, described molten salt circulating pump and fused salt rear pump are liquid following formula centrifugal pump, and described fused salt boiler is gas fired-boiler or electrically heated boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520872075.9U CN205127913U (en) | 2015-11-03 | 2015-11-03 | Solid -state salt inception system of melting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520872075.9U CN205127913U (en) | 2015-11-03 | 2015-11-03 | Solid -state salt inception system of melting |
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| CN205127913U true CN205127913U (en) | 2016-04-06 |
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| CN201520872075.9U Active CN205127913U (en) | 2015-11-03 | 2015-11-03 | Solid -state salt inception system of melting |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105233760A (en) * | 2015-11-03 | 2016-01-13 | 百吉瑞（天津）新能源有限公司 | System and method for initially melting solid salt |
| CN106123595A (en) * | 2016-06-23 | 2016-11-16 | 浙江中控太阳能技术有限公司 | A kind of fused salt melting systems and method |
| CN110411209A (en) * | 2018-11-22 | 2019-11-05 | 上海电气集团股份有限公司 | A kind of fused salt heating device |
-
2015
- 2015-11-03 CN CN201520872075.9U patent/CN205127913U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105233760A (en) * | 2015-11-03 | 2016-01-13 | 百吉瑞（天津）新能源有限公司 | System and method for initially melting solid salt |
| CN106123595A (en) * | 2016-06-23 | 2016-11-16 | 浙江中控太阳能技术有限公司 | A kind of fused salt melting systems and method |
| CN110411209A (en) * | 2018-11-22 | 2019-11-05 | 上海电气集团股份有限公司 | A kind of fused salt heating device |
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