CN106918028A - Fused salt circulated heat recovery system - Google Patents
Fused salt circulated heat recovery system Download PDFInfo
- Publication number
- CN106918028A CN106918028A CN201710280073.4A CN201710280073A CN106918028A CN 106918028 A CN106918028 A CN 106918028A CN 201710280073 A CN201710280073 A CN 201710280073A CN 106918028 A CN106918028 A CN 106918028A
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- Prior art keywords
- fused salt
- tank
- jacking equipment
- heat
- entrance
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- 150000003839 salts Chemical class 0.000 title claims abstract description 405
- 238000011084 recovery Methods 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 230000005484 gravity Effects 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims description 38
- 238000013268 sustained release Methods 0.000 claims description 30
- 239000012730 sustained-release form Substances 0.000 claims description 30
- 230000002459 sustained effect Effects 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 15
- 230000003028 elevating effect Effects 0.000 claims description 14
- 238000013519 translation Methods 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 230000008020 evaporation Effects 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000020169 heat generation Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 34
- 239000007789 gas Substances 0.000 description 19
- 230000006872 improvement Effects 0.000 description 10
- 238000001816 cooling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005485 electric heating Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000035800 maturation Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000008234 soft water Substances 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000010850 salt effect Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- 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
- F22B1/06—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being molten; Use of molten metal, e.g. zinc, as heat transfer medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/0034—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/0034—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material
- F28D2020/0047—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material using molten salts or liquid metals
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Abstract
The present invention relates to a kind of field of environment protection, a kind of fused salt circulated heat recovery system is disclosed.Fused salt circulated heat recovery system includes：Heat produces tank, water softening tank, fused salt passage and fused salt jacking equipment.Fused salt passage sequentially passes through the inside that heat produces tank and water softening tank since the outlet of fused salt jacking equipment, reconnects the entrance of melt back salt jacking equipment.Wherein, the height of the part fused salt passage in tank is produced positioned at heat higher than the part fused salt passage in water softening tank.Fused salt under gravity, along fused salt passage, since the outlet of fused salt jacking equipment, water softening tank, then the entrance for flowing back into fused salt jacking equipment is flowed into after heat produces tank；The fused salt that fused salt jacking equipment is used to flow back to fused salt jacking equipment is recycled to exit from porch.The fused salt circulated heat recovery system can realize the effect of energy-conserving and environment-protective.
Description
Technical field
The present invention relates to a kind of field of environment protection, more particularly to a kind of fused salt circulated heat recovery system.
Background technology
At present, industrial heat-conducting medium mainly uses steam, conduction oil and fused salt.Steam and conduction oil are used as heat-conducting medium
Temperature is extremely difficult to more than 400 DEG C, and its application scenarios will necessarily be restricted.And the operating temperature of fused salt is up to more than 600 DEG C,
Application prospect is extensive, therefore people gradually start the substitute using fused salt as industrial heat-conducting medium.
Fused salt is typically one kind by potassium nitrate (KNO3), natrium nitrosum (NaNO2) and sodium nitrate (NaNO3) constitute mixing
Thing, due to its excellent heat transfer, thermal storage performance, fused salt is usually used in fused salt circulated heat recovery system.
Fused salt circulated heat recovery system generally comprises heat and produces tank, water softening tank and fused salt passage.Fused salt is logical from fused salt
Road outlet starts, and sequentially passes through the inside that heat produces tank and water softening tank, reconnects melt back salt passage entrance.
The saline admixture of powdery is generally put into melting grain by people, by the high pressure steam heating pipe or electricity installed in grain
Heating tube carries out heating fusing, and the fused salt viscosity being heated in grain is reduced to can stir fused salt with circulating pump.Fused salt generally makes
Suction is carried out with pump for liquid salts makes fused salt passage constitute closed-loop path, and in existing technology, pump for liquid salts is generally upright structures,
It is inserted directly into high-temperature molten salt and works.Fused salt, along fused salt passage, soft water is flowed into after heat produces tank under fused salt pumping action
Tank, water softening tank is used to reduce temperature of molten salt, and the heat of absorption is converted into steam, and the steam access relevant device of generation is sharp again
With.
It is the shafting in the durability and high-temp liquid that ensure pump for liquid salts because pump for liquid salts is directly operated in high temperature environments
Sealing, generally less its maintenance difficulties of consideration, and the debris in fused salt are easily accumulated in shafting, center-aisle blocks it by debris
Afterwards, shafting is easily worn and torn, and influences the life-span of pump for liquid salts.Additionally, the price of pump for liquid salts all remains high always, change and safeguard
Cost is all very high.
The content of the invention
It is an object of the invention to provide a kind of fused salt circulated heat recovery system, can be real on the basis of lower-cost
The requirement of existing energy-conserving and environment-protective.
In order to solve the above-mentioned technical problem, the invention provides a kind of fused salt circulated heat recovery system, including：Heat is produced
Raw tank, water softening tank, fused salt passage and fused salt jacking equipment；
Fused salt passage sequentially passes through the inside that heat produces tank and water softening tank since the outlet of fused salt jacking equipment, then
Connect back to the entrance of fused salt jacking equipment；
Wherein, the height of the part fused salt passage in tank is produced to lead to higher than the part fused salt in water softening tank positioned at heat
Road；
Fused salt under gravity, along fused salt passage, since the outlet of fused salt jacking equipment, by heat produce tank after
Flow into water softening tank, then the entrance for flowing back into fused salt jacking equipment；Fused salt jacking equipment is used to that the molten of fused salt jacking equipment will to be flowed back to
Salt is recycled to exit from porch.
Produce the height of the part fused salt passage in tank higher than the part fused salt passage in water softening tank positioned at heat, make
Obtain fused salt to be able to flow through water softening tank directed along fused salt passage under gravity, it is sharp again that the waste heat of fused salt is converted into steam
With.Because fused salt has toughness, therefore the flow velocity of fused salt just can be easily controlled by adjusting the gradient of fused salt passage,
Inclined fused salt passage has the advantage of sustained release, is thus susceptible to control heat exchange efficiency of the fused salt in water softening tank.
For compared with the prior art, the present invention set fused salt jacking equipment can by fused salt entering from fused salt jacking equipment
Mouth is promoted to outlet, and jacking equipment is compared for pump for liquid salts, with low cost and technology maturation.Jacking equipment quickly runs, can
Effectively prevent sticky fused salt to condense, it is ensured that the mobility of fused salt, can swimmingly flow out the outlet of fused salt jacking equipment.
Preferably, fused salt jacking equipment includes fused salt week turn trough, elevating mechanism, switching mechanism and fused salt sustained release groove；
Wherein, outlet is opened in the bottom that fused salt is sustained groove；
Fused salt flows into fused salt week turn trough by entrance, and elevating mechanism drives fused salt week turn trough to rise to fused salt sustained release groove
Top position；Switching mechanism drives the turn trough upset of fused salt week, and fused salt is poured into fused salt sustained release groove, and fused salt is from fused salt sustained release groove
The exit outflow for being opened up, elevating mechanism drives fused salt week turn trough to decline, until fused salt week turn trough is received from entrance again
Fused salt, circulated with this.
By the fused salt of water softening tank, fused salt is carried by fused salt week turn trough, all turn troughs of fused salt are promoted to molten by elevating mechanism
Fused salt quickly can be poured into fused salt sustained release groove by salt sustained release groove top, switching mechanism.
Because switching mechanism is insensitive to impurity, compare for pump for liquid salts, the solidification of fused salt can be better protected from and glued
The obstruction that consistence matter is brought.The fused salt for importing fused salt sustained release groove is constantly slowly discharged into by the outlet that fused salt is sustained trench bottom
Heat is produced in tank, and obtains heat in heat generation tank.
Further, preferably, fused salt jacking equipment also includes translation mechanism, for moving fused salt week in the horizontal direction
Turn trough.The translation mechanism that fused salt jacking equipment is set can effectively prevent fused salt week turn trough from being touched with surrounding structure in lifting
Hit, improve the reliability of fused salt jacking equipment, and translation mechanism is prevented from entrance stream of the high-temperature molten salt from fused salt jacking equipment
When going out, outside splash to working range.Groove and translation mechanism are sustained with the fused salt that elevating mechanism is used cooperatively, it is possible to increase fused salt
The operational efficiency of jacking equipment.
Further, preferably, fused salt passage is also mutual by gate-controlled switch including the entrance with fused salt jacking equipment
The fused salt buffer area of connection；
Gate-controlled switch is closed when fused salt week, turn trough left entrance, and fused salt is blocked in fused salt buffer area；
Gate-controlled switch is opened when fused salt week, turn trough returned to entrance, and fused salt is discharged to all turn troughs of fused salt.
Gate-controlled switch according to fused salt week turn trough operation, when fused salt week turn trough by fused salt jacking equipment lifted and away from fused salt liter
During the entrance of drop equipment, close gate-controlled switch, fused salt be blocked in fused salt buffer area, prevent fused salt continue to be discharged into it is elevated before
Fused salt turnover groove location；When the turn trough decline of fused salt week is close to the entrance of fused salt jacking equipment, gate-controlled switch is opened, will be molten
Fused salt in salt buffer area is discharged to all turn troughs of fused salt.
In addition, preferably, fused salt circulated heat recovery system also includes secondary thermocirculator；
Secondary thermocirculator includes the hot medium pipeline for producing tank to stretch out from heat；Hot medium pipeline at least part with it is molten
Salt sustained release groove is in contact, and is sustained groove heat-shift with fused salt.
Hot medium pipeline is in contact with fused salt sustained release groove, by heat-shift, can effectively keep fused salt to be produced in heat
Temperature outside tank, it is ensured that fused salt passage it is unobstructed, prevent fused salt from condensing, also, the more energy-conserving and environment-protective for electric heating.
Further, preferably, secondary thermocirculator also includes thermal medium pump, for conveying the heat in hot medium pipeline
Medium.Thermal medium can be fed rapidly into fused salt sustained release groove and needed at heat-shift by thermal medium pump, reduce fused salt sustained release groove
Insulation cost.
In addition, preferably, thermal medium is heat produces the high-temperature gas produced in tank.High-temperature gas is that heat produces tank
Product, high-temperature gas is directly used in heat exchange, energy saving.
In addition, preferably, thermal medium heating evaporation in heat produces tank, into gas, the position of groove is being sustained near fused salt
Put and be condensed into liquid and flow back.Hot medium pipeline is used for the conveying of gas and the backflow of condensed fluid, produces tank not connect with heat
It is logical.Condensed fluid is in the bottom of hot medium pipeline due to Action of Gravity Field, is heated after flashing to gas and is distributed in hot medium pipeline
Top, that is, fused salt be sustained groove bottom, gas transfer heat to fused salt sustained release groove.Can be flowed back after thermal medium cooling
And evaporate, so as to realize the Multi-class propagation of energy.
In addition, preferably, fused salt passage at least part and the angle of horizontal plane are more than or equal to 20 degree, and less than or
Equal to 60 degree.The angle of fused salt passage and horizontal plane is controlled between 20 degree to 60 degree, effectively can be made using the gravity of fused salt
With making fused salt smooth flow to water softening tank, additionally it is possible to control the flowing velocity of fused salt.
In addition, preferably, fused salt passage is since the outlet of fused salt jacking equipment, sequentially passing through heat and producing the upper of tank
Behind the inside of portion and water softening tank, the bottom that heat produces tank is again passed through, reconnect the entrance of melt back salt jacking equipment；
Fused salt under gravity, along fused salt passage, since the outlet of fused salt jacking equipment, tank is produced by heat
Water softening tank is flowed into behind top, then the bottom that heat produces tank, then the entrance for flowing back into fused salt jacking equipment are flow to from water softening tank；It is molten
The fused salt that salt jacking equipment is used to flow back to fused salt jacking equipment is recycled to exit from porch.
Fused salt flows through sharp temperature drop after water softening tank, again passes through the bottom that heat produces tank, can cause fused salt
Temperature is raised, and prevents fused salt from solidifying.When fused salt is transferred to the exit of fused salt jacking equipment, tank is produced using heat
Top is heated again, and the heat energy of tank can be more fully produced using heat.
Brief description of the drawings
Fig. 1 is that first embodiment of the invention fused salt circulated heat recovery system faces schematic cross-sectional view；
Fig. 2 is the enlarged diagram of second embodiment of the invention fused salt jacking equipment；
Fig. 3 is the schematic side view of third embodiment of the invention fused salt circulated heat recovery system；
Fig. 4 is that four embodiment of the invention fused salt circulated heat recovery system faces schematic cross-sectional view；
Fig. 5 is the enlarged diagram of fifth embodiment of the invention pair thermocirculator；
Fig. 6 is the enlarged diagram of sixth embodiment of the invention pair thermocirculator；
Fig. 7 is the enlarged diagram of seventh embodiment of the invention pair thermocirculator；
Fig. 8 is that eighth embodiment of the invention fused salt circulated heat recovery system faces schematic cross-sectional view.
Description of reference numerals：
1- heats produce tank；2- water softening tanks；3- fused salt passages；31- fused salt buffer areas；32- gate-controlled switches；4- fused salts are lifted
Equipment；The all turn troughs of 41- fused salts；42- elevating mechanisms；43- switching mechanisms；44- fused salts are sustained groove；45- translation mechanisms；5- is exported；
6- entrances；7- pair thermocirculators；71- hot medium pipelines；72- thermal medium pumps.
Specific embodiment
Implementation method one
First embodiment of the invention provides a kind of fused salt circulated heat recovery system, shown in Figure 1, including：
Heat produces tank 1, water softening tank 2, fused salt passage 3 and fused salt jacking equipment 4；
Fused salt passage 3 sequentially passes through heat and produces the interior of tank 1 and water softening tank 2 since the outlet 5 of fused salt jacking equipment 4
Portion, reconnects the entrance 6 of melt back salt jacking equipment 4；
Wherein, the height of the part fused salt passage 3 in tank 1 is produced to be melted higher than the part in water softening tank 2 positioned at heat
Salt passage 3；
Fused salt under gravity, along fused salt passage 3, since the outlet 5 of fused salt jacking equipment 4, is produced by heat
Water softening tank 2, then the entrance 6 for flowing back into fused salt jacking equipment 4 are flowed into after tank 1；Fused salt jacking equipment 4 is used to that fused salt lifting will to be flowed back to
The fused salt of equipment 4 is recycled at outlet 5 from entrance 6.
In the present embodiment, the height of the part fused salt passage 3 in tank 1 is produced positioned at heat higher than being located at water softening tank 2
Interior part fused salt passage 3 so that fused salt is able to flow through water softening tank 2 directed along fused salt passage 3 under gravity, will be molten
The waste heat of salt is converted into steam recycling.Because fused salt has toughness, therefore by adjusting the gradient of fused salt passage 3 with regard to energy
The flow velocity of enough easily control fused salts, inclined fused salt passage 3 has the advantage of sustained release, and then control fused salt is in water softening tank 2
Heat exchange efficiency.
Positioned at the fused salt of the entrance 6 of fused salt jacking equipment 4, going out for fused salt jacking equipment 4 is promoted to through fused salt jacking equipment 4
Mouth 5, the fused salt of high temperature produces the water softening tank 2 that tank 1 flows into lower to be exchanged heat from the heat positioned at eminence, and soft water absorption heat is produced
Raw steam, fused salt releases thermal temperature reduction.Fused salt after cooling is promoted to the outlet 5 of fused salt jacking equipment 4 again, passes through
Temperature is raised again after heat produces tank 1, is circulated with this.
For compared with the prior art, the fused salt jacking equipment 4 that the present invention is set can be by fused salt from fused salt jacking equipment 4
It is promoted at entrance 6 at outlet 5, jacking equipment is compared for pump for liquid salts, with low cost and technology maturation.Jacking equipment is quickly transported
OK, can effectively prevent sticky fused salt to condense, it is ensured that the mobility of fused salt, can swimmingly flow out the outlet 5 of jacking equipment.
In the present embodiment, at least part of fused salt passage 3 is more than or equal to 20 degree with the angle of horizontal plane, and is less than
Or equal to 60 degree.The angle of fused salt passage 3 and horizontal plane is controlled between 20 degree to 60 degree, can effectively using the gravity of fused salt
Effect makes fused salt smooth flow to water softening tank 2, additionally it is possible to control the flowing velocity of fused salt.Preferably, heat produce tank 1 with it is soft
Fused salt passage 3 in water pot 2 is spirality channel, is declined in the inside spin of water softening tank 2 by making fused salt, can make the heat exchange of fused salt
It is more abundant.
Implementation method two
Second embodiment of the present invention provides a kind of fused salt circulated heat recovery system.Second embodiment is first
The further improvement of implementation method, mainly thes improvement is that, shown in Figure 2 in second embodiment of the present invention, melts
Salt jacking equipment 4 includes fused salt week turn trough 41, elevating mechanism 42, switching mechanism 43 and fused salt sustained release groove 44；
Wherein, outlet 5 is opened in the bottom that fused salt is sustained groove 44；
Fused salt flows into fused salt week turn trough 41 by entrance 6, and all turn troughs 41 of the drive fused salt of elevating mechanism 42 rise to fused salt and delay
Release the top position of groove 44；Switching mechanism 43 drives fused salt week turn trough 41 to overturn, and fused salt is poured into fused salt sustained release groove 44, fused salt
Flowed out at the outlet 5 opened up from fused salt sustained release groove 44, elevating mechanism 42 drives fused salt week turn trough 41 to decline, until fused salt is all
Turn trough 41 receives the fused salt from entrance 6 again, is circulated with this.
By the fused salt of water softening tank 2, fused salt is carried by fused salt week turn trough 41, all turn troughs 41 of fused salt are carried by elevating mechanism 42
The top of fused salt sustained release groove 44 is risen to, fused salt quickly can be poured into fused salt sustained release groove 44 by switching mechanism 43.
Because switching mechanism 43 is insensitive to impurity, for comparing pump for liquid salts, can be better protected from fused salt solidification and
The obstruction that sticky property is brought.The fused salt for importing fused salt sustained release groove 44 is constantly delayed by the outlet 5 that fused salt is sustained the bottom of groove 44
Sustained release is put into heat generation tank 1, and produces acquisition heat in tank 1 in heat.
Implementation method three
Third embodiment of the present invention provides a kind of fused salt circulated heat recovery system.3rd implementation method is second
The further improvement of implementation method, mainly thes improvement is that, shown in Figure 3 in third embodiment of the present invention, melts
Salt jacking equipment 4 also includes translation mechanism 45, for moving fused salt week turn trough 41 in the horizontal direction.Fused salt jacking equipment 4 is set
Translation mechanism 45 can effectively prevent fused salt week turn trough 41 lifting when collided with surrounding structure, improve fused salt lift set
Standby 4 reliability, and translation mechanism 45 be prevented from high-temperature molten salt from the entrance 6 of fused salt jacking equipment 4 flow out when, splash to work
Make outside scope.Groove 44 and translation mechanism 45 are sustained with the fused salt that elevating mechanism 42 is used cooperatively, it is possible to increase fused salt lifting sets
Standby 4 operational efficiency.Preferably, translation mechanism 45 can be by transmitting V belt translation, it is also possible to by lead screw transmission.Translation mechanism
45 moving direction both can lift direction perpendicular to fused salt week turn trough 41, and perpendicular to fused salt injection direction, translation mechanism 45
Stagger setting with fused salt jacking equipment 4, be prevented from the entrance 6 of touching fused salt jacking equipment 4 when fused salt week turn trough 41 is lifted.
Implementation method four
4th implementation method of the invention provides a kind of fused salt circulated heat recovery system.4th implementation method is the 3rd
The further improvement of implementation method, mainly thes improvement is that, shown in Figure 4 in the 4th implementation method of the invention, melts
Salt passage 3 also includes the fused salt buffer area 31 being connected with each other by gate-controlled switch 32 with the entrance 6 of fused salt jacking equipment 4；
Gate-controlled switch 32 is closed when fused salt week, turn trough 41 left entrance 6, and fused salt is blocked in fused salt buffer area 31；
Gate-controlled switch 32 is opened when fused salt week, turn trough 41 returned to entrance 6, and fused salt is discharged to all turn troughs 41 of fused salt.
Gate-controlled switch 32 runs according to fused salt week turn trough 41, when fused salt week turn trough 41 lifted by fused salt jacking equipment 4 and remote
During from the entrance 6 of fused salt jacking equipment 4, gate-controlled switch 32 is closed, fused salt is blocked in fused salt buffer area 31, prevent fused salt from continuing
It is discharged into elevated preceding fused salt week turn trough 41 position；When all turn troughs 41 of fused salt decline and the entrance 6 of close fused salt jacking equipment 4
When, gate-controlled switch 32 is opened, the fused salt in fused salt buffer area 31 is discharged to all turn troughs 41 of fused salt.Gate-controlled switch 32 can lead to
Excess pressure sensor operations, when fused salt week, turn trough 41 rested in the entrance 6 of fused salt jacking equipment 4, pressure sensor is received
Pressure signal, is transferred to computer and opens gate-controlled switch 32；When the weight of fused salt and fused salt week turn trough 41 reaches certain number
Value, gate-controlled switch 32 is closed.Certainly, pressure sensor can also be replaced with imageing sensor or timer.
Implementation method five
5th implementation method of the invention provides a kind of fused salt circulated heat recovery system.5th implementation method is second
The further improvement of any one implementation method, mainly thes improvement is that into the 4th implementation method, real the of the invention 5th
Apply in mode, shown in Figure 5, fused salt circulated heat recovery system also includes secondary thermocirculator 7；
Secondary thermocirculator 7 includes the hot medium pipeline 71 for producing tank 1 to stretch out from heat；At least portion of hot medium pipeline 71
Divide and be in contact with fused salt sustained release groove 44, and the heat-shift of groove 44 is sustained with fused salt.
Groove 44 is sustained by hot medium pipeline 71 and fused salt to be in contact heat-shift, can effectively keep fused salt to be produced in heat
Temperature outside raw tank 1, it is ensured that fused salt passage 3 it is unobstructed.The melting temperature of fused salt generally between 142 DEG C to 148 DEG C, is less than
142 DEG C of temperature can then solidify.And in order to prevent fused salt from solidifying, electric heating tube can be set in fused salt sustained release groove 44 bottom, electricity adds
Heat pipe is used to control the temperature of fused salt.Although electric heating tube can control the temperature of fused salt, however it is necessary that extra energy supply.
Compared to the electric heating tube of power consumption, with more the advantage of energy-conserving and environment-protective by the way of hot medium pipeline 71.
Secondary thermocirculator 7 also includes thermal medium pump 72, for conveying the thermal medium in hot medium pipeline 71.Thermal medium pump
72 can by thermal medium be fed rapidly into fused salt sustained release groove 44 need at heat-shift, reduce fused salt sustained release groove 44 insulation into
This.
Implementation method six
6th implementation method of the invention provides a kind of fused salt circulated heat recovery system, the 6th implementation method and the 5th
Implementation method is different, and main difference part is, in the 5th implementation method of the invention, thermal medium passes through thermal medium pump
72 conveyings；And in the 6th implementation method of the invention, shown in Figure 6, thermal medium is that heat produces the high temperature produced in tank 1
Gas.High-temperature gas is the direct product that heat produces tank 1, and heat produces the change of pressure in tank 1 smaller, when temperature is raised
When, the volume of high-temperature gas becomes big, and because the quality of high-temperature gas does not change, therefore high-temperature gas density reduces, density
The high-temperature gas of reduction can produce the eminence of tank 1 to flow to heat, and then reach the bottom that fused salt is sustained groove 44.When these high temperature
When the fused salt that gas is sustained in groove 44 with fused salt is cooled down, density increases, and will be back to heat and produces in tank 1, is circulated with this.It is logical
High Temperature Gas body circulation is crossed, the temperature of fused salt, energy saving can be effectively kept.
Implementation method seven
7th implementation method of the invention provides a kind of fused salt circulated heat recovery system, the 7th implementation method and the
5th, the 6th implementation method is different, and main difference part is, in the 7th implementation method of the invention, referring to Fig. 7 institutes
Show, can flow back and recycle after thermal medium cooling.Thermal medium heating evaporation in heat produces tank 1 is molten being close into gas
The position of salt sustained release groove 44 is condensed into liquid and flows back.
Hot medium pipeline 71 is used for the conveying of gas and the backflow of condensed fluid, produces tank 1 not connect with heat.Condensate liquid
Body is in the bottom of hot medium pipeline 71 due to Action of Gravity Field, and be heated the top for flashing to and hot medium pipeline 71 being distributed in after gas
Portion, that is, fused salt is sustained the bottom of groove 44, and gas transfers heat to fused salt sustained release groove 44.Can be flowed back after thermal medium cooling
And recycling is evaporated, so as to realize the Multi-class propagation of energy.
Implementation method eight
8th implementation method of the invention provides a kind of fused salt circulated heat recovery system.8th implementation method is first
The further improvement of implementation method, mainly thes improvement is that, shown in Figure 8 in the 8th implementation method of the invention, melts
Salt passage 3 since the outlet 5 of fused salt jacking equipment 4, sequentially pass through heat produce tank 1 top and water softening tank 2 inside after,
The bottom that heat produces tank 1 is again passed through, the entrance 6 of melt back salt jacking equipment 4 is reconnected；
Fused salt under gravity, along fused salt passage 3, since the outlet 5 of fused salt jacking equipment 4, is produced by heat
Water softening tank 2 is flowed into behind the top of tank 1, then heat is flow to from water softening tank 2 and produce the bottom of tank 1, then flow back into fused salt jacking equipment 4
Entrance 6；The fused salt that fused salt jacking equipment 4 is used to flow back to fused salt jacking equipment 4 is recycled at outlet 5 from entrance 6.
Fused salt flows through sharp temperature drop after water softening tank 2, again passes through the bottom that heat produces tank 1, can cause to melt
Salt temperature is raised, and prevents fused salt from solidifying.When fused salt is transferred at the outlet 5 of fused salt jacking equipment 4, tank is produced using heat
1 top is heated again, and heat can be made full use of to produce tank 1, and reheating makes the temperature of fused salt higher.Certainly, heat
Producing the fused salt passage 3 of the bottom of tank 1 can also set curl, to extend heat exchanger time and heat exchange contact area.
It will be understood by those skilled in the art that in above-mentioned each implementation method, in order that reader is more preferably geographical
Solve the application and propose many ins and outs.But, even if without these ins and outs and based on the respective embodiments described above
Many variations and modification, it is also possible to realize the application each claim technical scheme required for protection substantially.Therefore, in reality
In, can to above-mentioned implementation method, various changes can be made in the form and details, without departing from it is of the invention spirit and model
Enclose.
Claims (10)
1. a kind of fused salt circulated heat recovery system, it is characterised in that including：
Heat produces tank (1), water softening tank (2), fused salt passage (3) and fused salt jacking equipment (4)；
The fused salt passage (3) sequentially passes through the heat and produces tank since the outlet (5) of the fused salt jacking equipment (4)
(1) and the water softening tank (2) inside, reconnect back the entrance (6) of the fused salt jacking equipment (4)；
Wherein, the height of part fused salt passage (3) in tank (1) is produced positioned at the heat higher than positioned at the water softening tank (2)
Interior part fused salt passage (3)；
Fused salt under gravity, along the fused salt passage (3), since the outlet (5) of the fused salt jacking equipment (4), is passed through
Crossing the heat produces tank (1) to flow into the water softening tank (2), then the entrance (6) for flowing back into the fused salt jacking equipment (4) afterwards；
The fused salt jacking equipment (4) is recycled to outlet for will flow back to the fused salt of the fused salt jacking equipment (4) from from entrance (6)
(5) place.
2. fused salt circulated heat recovery system according to claim 1, it is characterised in that：The fused salt jacking equipment (4)
Groove (44) is sustained including fused salt week turn trough (41), elevating mechanism (42), switching mechanism (43) and fused salt；
Wherein, the outlet (5) is opened in the bottom of fused salt sustained release groove (44)；
Fused salt flows into fused salt week turn trough (41) by the entrance (6), and the elevating mechanism (42) drives the fused salt week
Turn trough (41) rises to the top position of fused salt sustained release groove (44)；The switching mechanism (43) drives the fused salt week turn trough
(41) overturn, and fused salt is poured into the fused salt and be sustained groove (44), fused salt is sustained the institute opened up on groove (44) from the fused salt
The outflow of outlet (5) place is stated, the elevating mechanism (42) drives fused salt week turn trough (41) to decline, until fused salt week turn trough
(41) fused salt from the entrance (6) is received again, is circulated with this.
3. fused salt circulated heat recovery system according to claim 2, it is characterised in that：The fused salt jacking equipment (4)
Also include translation mechanism (45), for moving fused salt week turn trough (41) in the horizontal direction.
4. fused salt circulated heat recovery system according to claim 3, it is characterised in that：The fused salt passage (3) is also wrapped
Include the fused salt buffer area (31) being connected with each other by gate-controlled switch (32) with the entrance (6) of the fused salt jacking equipment (4)；
The gate-controlled switch (32) is closed when fused salt week turn trough (41) leaves the entrance (6), and fused salt is blocked in into institute
State in fused salt buffer area (31)；
The gate-controlled switch (32) is opened when fused salt week turn trough (41) returns to the entrance (6), and fused salt is discharged to institute
State in fused salt week turn trough (41).
5. fused salt circulated heat recovery system according to claim 2, it is characterised in that：Fused salt circulated heat recovery system
Also include secondary thermocirculator (7)；
The secondary thermocirculator (7) from the heat including producing tank (1) hot medium pipeline (71) for stretching out；The thermal medium
Pipeline (71) at least part is sustained groove (44) and is in contact with the fused salt, and is sustained groove (44) heat-shift with the fused salt.
6. fused salt circulated heat recovery system according to claim 5, it is characterised in that：The secondary thermocirculator (7)
Also include thermal medium pump (72), for conveying the thermal medium in the hot medium pipeline (71).
7. fused salt circulated heat recovery system according to claim 5, it is characterised in that：The thermal medium is the heat
Produce the high-temperature gas produced in tank (1).
8. fused salt circulated heat recovery system according to claim 5, it is characterised in that：The thermal medium is in the heat
Heating evaporation is condensed into liquid and flows back into gas near the position of fused salt sustained release groove (44) in producing tank (1).
9. fused salt circulated heat recovery system according to claim 1, it is characterised in that：The fused salt passage (3) is at least
There is part to be more than or equal to 20 degree with the angle of horizontal plane, and less than or equal to 60 degree.
10. fused salt circulated heat recovery system according to claim 1, it is characterised in that：The fused salt passage (3) is from institute
The outlet (5) for stating fused salt jacking equipment (4) starts, and sequentially passes through top and the water softening tank (2) that the heat produces tank (1)
Inside after, again pass through the bottom that the heat produces tank (1), reconnect back the entrance of the fused salt jacking equipment (4)
(6)；
Fused salt under gravity, along the fused salt passage (3), since the outlet (5) of the fused salt jacking equipment (4), is passed through
The water softening tank (2) is flowed into behind the top for crossing heat generation tank (1), then the heat is flow to from the water softening tank (2) and produced
The bottom of raw tank (1), then the entrance (6) for flowing back into the fused salt jacking equipment (4)；The fused salt jacking equipment (4) is for inciting somebody to action
The fused salt for flowing back to the fused salt jacking equipment (4) is recycled to outlet (5) place from from entrance (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710280073.4A CN106918028A (en) | 2017-04-26 | 2017-04-26 | Fused salt circulated heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710280073.4A CN106918028A (en) | 2017-04-26 | 2017-04-26 | Fused salt circulated heat recovery system |
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| Publication Number | Publication Date |
|---|---|
| CN106918028A true CN106918028A (en) | 2017-07-04 |
Family
ID=59567487
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710280073.4A Pending CN106918028A (en) | 2017-04-26 | 2017-04-26 | Fused salt circulated heat recovery system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103717892A (en) * | 2011-07-05 | 2014-04-09 | 阿文戈亚太阳能有限责任公司 | Concentrating solar power methods and systems with liquid-solid phase change material for heat transfer |
| CN203785290U (en) * | 2014-04-25 | 2014-08-20 | 大连宏海新能源发展有限公司 | Tower-type heat accumulation and storage system |
| CN203874765U (en) * | 2014-04-04 | 2014-10-15 | 金发科技股份有限公司 | Heating and cooling system taking fused salt as heat carrier |
| CN105605956A (en) * | 2016-02-26 | 2016-05-25 | 北京工业大学 | High-temperature air and fused salt efficient heat storage system |
| CN206958875U (en) * | 2017-04-26 | 2018-02-02 | 安徽瑞邦生物科技有限公司 | Fused salt circulated heat recovery system |
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2017
- 2017-04-26 CN CN201710280073.4A patent/CN106918028A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103717892A (en) * | 2011-07-05 | 2014-04-09 | 阿文戈亚太阳能有限责任公司 | Concentrating solar power methods and systems with liquid-solid phase change material for heat transfer |
| CN203874765U (en) * | 2014-04-04 | 2014-10-15 | 金发科技股份有限公司 | Heating and cooling system taking fused salt as heat carrier |
| CN203785290U (en) * | 2014-04-25 | 2014-08-20 | 大连宏海新能源发展有限公司 | Tower-type heat accumulation and storage system |
| CN105605956A (en) * | 2016-02-26 | 2016-05-25 | 北京工业大学 | High-temperature air and fused salt efficient heat storage system |
| CN206958875U (en) * | 2017-04-26 | 2018-02-02 | 安徽瑞邦生物科技有限公司 | Fused salt circulated heat recovery system |
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Application publication date: 20170704 |