CN110375371A - A kind of low ebb electric-heating heat-conductive oil and fused salt accumulation of heat hybrid heating system - Google Patents
A kind of low ebb electric-heating heat-conductive oil and fused salt accumulation of heat hybrid heating system Download PDFInfo
- Publication number
- CN110375371A CN110375371A CN201910539197.9A CN201910539197A CN110375371A CN 110375371 A CN110375371 A CN 110375371A CN 201910539197 A CN201910539197 A CN 201910539197A CN 110375371 A CN110375371 A CN 110375371A
- Authority
- CN
- China
- Prior art keywords
- heat
- heating
- heating system
- fused salt
- processing unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D11/00—Central heating systems using heat accumulated in storage masses
- F24D11/006—Central heating systems using heat accumulated in storage masses air heating system
- F24D11/008—Central heating systems using heat accumulated in storage masses air heating system with conventional supplementary heat source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/08—Arrangements for drainage, venting or aerating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1084—Arrangement or mounting of control or safety devices for air heating systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1096—Arrangement or mounting of control or safety devices for electric heating systems
-
- 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
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0266—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
-
- 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
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
- F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/08—Electric heater
-
- 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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Resistance Heating (AREA)
Abstract
The invention discloses a kind of low ebb electric-heating heat-conductive oils and fused salt accumulation of heat hybrid heating system, including heat-conducting oil heating and hold over system, heating system and central processing unit；Central processing unit is connect with heating system and heat-conducting oil heating and hold over system respectively, heat-conducting oil heating and hold over system include heat storage can, totally enclosed heat pipe is provided in heat storage can, inside heat pipe fills fuse salt, heat exchange of heat pipe is arranged in conduction oil and connect with heating system, for carrying out stability contorting and the output that outlet condition is realized in heat exchange to the heat-storage medium in heat storage can, central processing unit is for realizing automatic control.The present invention using trough-electricity heating and accumulation of heat, in peak of power consumption discharge heat systems technology, complete electric power on peak load shifting.
Description
Technical field
The invention belongs to compound technical field of heat transfer, and in particular to a kind of low ebb electric-heating heat-conductive oil and fused salt accumulation of heat are multiple
Close heating system.
Background technique
With the development of national economy, the continuous improvement of living standards of the people, China's power structure is varied widely.
On the one hand the problems such as it is insufficient that there is peak powers, on the other hand more excessive there is peak-valley difference, these contradictory appearance are made again
The about development of national economy.For this purpose, on the one hand electric industry department accelerates the paces of power construction, on the other hand propose that " peak clipping is filled out
The policy of paddy " reduces electricity consumption peak-valley difference to make full use of electric power resource.At present each province, city, area electric industry department announce one after another
Electricity consumption policy and " Peak-valley TOU power price " push the realization of " peak load shifting " with economic means.
Devoting Major Efforts To Developing valley power consumption enjoys low ebb electrovalence policy to the full, not only brings benefit to society, at the same to user with
Come economical.When using low power consumption, the heat accumulating type system of release heat not only conforms with country when heating simultaneously accumulation of heat, peak of power consumption
The policy of " Peak-valley TOU power price ", and consider have good and wide from the macro policy of country and the economic interests of user
Prospect, the development in China had been provided with feasibility and necessity.
Storage, the release for realizing thermal energy by heat accumulating at 250~1000 DEG C of high temperature section, can be with effective solution energy
Demand and the unmatched phenomenon of supply, here it is high-temperature heat-storage technologies, improve energy utilization rate, high-temperature heat-storage technology is main at present
Applied to solar energy thermal-power-generating, building energy conservation, space technology, industrial waste heat heat recovery, " peak load shifting " on electric power
Equal fields are approved in worldwide.
High-temperature heat accumulation thermal power plant unit is to be heated to heat-storage medium using night dip electric (23:00~7:00 totally 8 hours)
High-temperature storage heat is discharged heat by self-con-tained unit in peak times of power consumption on demand, is had reached " peak load shifting ", is reduced operation
The effect of cost.The important breakthrough of high-temperature heat accumulation thermal power plant unit technically is using solid heat accumulating and liquid heat accumulation material
The design of package integral structure, heating, heat accumulation, heat exchange, heat supply and control function are combined, a normal pressure heat supply machine is formed
Group.
Summary of the invention
Add in view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that providing a kind of trough-electricity
Thermal conductivity hot oil and fused salt accumulation of heat hybrid heating system, the present invention utilize trough-electricity heating and accumulation of heat, the release heat in peak of power consumption
The systems technology of amount completes the peak load shifting on electric power.
The invention adopts the following technical scheme:
A kind of low ebb electric-heating heat-conductive oil and fused salt accumulation of heat hybrid heating system, including heat-conducting oil heating and hold over system,
Heating system and central processing unit；Central processing unit is connect with heating system and heat-conducting oil heating and hold over system respectively, thermally conductive
Oil heating and hold over system include heat storage can, and totally enclosed heat pipe is provided in heat storage can, and inside heat pipe fills fuse salt, heat pipe
It is arranged in conduction oil and is connect with heating system, realizes outlet condition for carrying out heat exchange to the heat-storage medium in heat storage can
Stability contorting and output, central processing unit is for realizing automatic control.
Specifically, heat pipe include it is multiple, successively vertical spacing be arranged in heat storage can, heat pipe includes evaporator section and condensation
Section, evaporator section are located at heat pipe top, and condensation segment is located at heat pipe lower part.
Specifically, heat-conducting oil heating and hold over system include filling pump, surge tank and nitrogen, filling pump passes through with heat storage can
Piping connection, the exhaust line of heat storage can two sides connect nitrogen all the way, and another way is connect through surge tank with filling pump.
Further, liquid level automatic detection device, liquid level automatic detection device and central processing unit are provided in surge tank
Connection, when the conduction oil in surge tank reaches setting value, liquid level automatic detection device transmission signal feeds back to central processing unit,
Filling pump is started to work, will be in the conduction oil injection heat storage can in surge tank.
Specifically, heat storage can side is provided with blender, blender is located at the lower end of heat pipe, through motor and central processing unit
Connection.
Further, blender includes at least two.
Specifically, the bottom of heat storage can is provided with electric heater, the lower section of heat pipe is arranged in electric heater, and electric heater is logical
The first temperature-detecting device is crossed to connect with central processing unit.
Specifically, heating system includes blower, blower is connect with the input end of heat pipe by the road.
Further, the exit of heat pipe is provided with second temperature detection device, and second temperature detection device will be for that will go out
Mouth Temperature of Working feeds back to central processing unit.
Further, heating system further includes air-supply bypass, and air-supply bypass is connect with the outlet of heat pipe, cold for supplementing
Working medium is mixed with hot working fluid.
Compared with prior art, the present invention at least has the advantages that
A kind of compound heating system of low ebb electric-heating heat-conductive oil and fused salt accumulation of heat, wherein heat-conducting oil heating and accumulation of heat system
System avoids the complexity of conventional thermal conductive heating system for oil, and equipment usage amount is reduced in the case where meeting design requirement.Fused salt filling
Heat pipe has fully considered the drawbacks of Molten salt heating system, using a kind of novel molten salt heat accumulation mode, can effectively play fused salt
Latent heat.
Further, one direction transmitting of the Heat Pipes heat from conduction oil one end to working media, in biggish model
Enclose the heat flow density of interior adjustment evaporator section and condensation segment.
Further, heat-conducting oil heating and hold over system are deposited by the heat for converting conduction oil and fused salt for valley electricity
Storage is got up, and is released to heat user by working medium and is utilized.
Further, the setting of liquid level automatic detection device can monitor the liquid level in surge tank, and sequencing is automatic
Oiling pump work is controlled, to hot tank filling heat-conductive oil, and maintains the stabilization in surge tank with conduction oil volume in hot tank.
Further, reach by auto-adjustment control blender in heating system and stablize external quantity of heat given up.
Further, electric heater is only started to work in low power consumption, and heating conduction oil makes its storage energy.
Further, air is passed through heat exchanger by blower by heating system, is had with conduction oil and heat pipe heat exchanging
There is the hot-air of equilibrium temperature for users to use.
Further, second temperature detection device matter real-time measurement sender property outlet temperature and central processing unit is fed back to, when
When temperature and setting value tolerance are larger, central processing unit generation movement maintains Temperature of Working to stablize.
Further, blow bypass purpose be adjust air outlet Temperature of Working stabilization, prevent Temperature of Working to fluctuate
It is too big, it is unfavorable for the practical of heat user.
In conclusion the present invention uses solid heat accumulating (fused salt) and liquid heat accumulating (conduction oil) integral structure
Design is the demand for being suitble to urban development, has very big demand space industrial, civilian.The technology can effectively simplify
The complexity of liquid heat reservoir (conduction oil) and solid heat reservoir (fused salt), so that equipment operation is safer, stable, easily grasps
Make.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Fig. 1 is present system schematic diagram.
Wherein: 1. filling pumps；2. surge tank；3. heat storage can；4. electric heater；5. blender；6. nitrogen；7. heat pipe；8.
Blower.
Specific embodiment
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
"front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " side ", " one end ", " one side " etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore be not considered as limiting the invention.In addition, in the description of the present invention, unless otherwise indicated, " multiples' "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Referring to Fig. 1, a kind of low ebb electric-heating heat-conductive oil of the present invention and fused salt accumulation of heat hybrid heating system, including conduction oil
Heating and hold over system, heating system, central processing unit and heat pipe 7, heat pipe 7 are full-closed structure, and filling fuse salt in inside is led
Hot oil heating and hold over system include filling pump 1, surge tank 2, heat storage can 3, electric heater 4, blender 5 and nitrogen 6；Heat supply system
System includes fan 8 and bypasses to gas.
Heat pipe 7 is vertically arranged in heat storage can 3, and blower 8 is connect with heat pipe 7, for the heat-storage medium in heat storage can into
Row heat exchange realize outlet condition stability contorting and output, central processing unit respectively with heat-conducting oil heating and hold over system and heat supply
System connects for realizing automatic control.
Filling pump 1 is connect with heat storage can 3, and the top of heat storage can 3 is arranged in the heat pipe 7 of fuse salt filling, and blower 8 passes through molten
The heat pipe 7 for melting salt filling exchanges heat with the heat-storage medium in heat storage can 3, bypasses to gas for supplementing cold working medium, heat storage can 3
On both sides of the middle is connected separately with two-way exhaust line, wherein the piping connection with nitrogen 6 all the way, another way is through surge tank 2 and note
Oil pump 1 connects, and is provided with liquid level automatic detection device in surge tank 2, liquid level automatic detection device is connect with central processing unit, liquid
Position automatic detection device uses general industrial level sensor, is able to achieve the conversion of analog signal and digital signal simultaneously
Signal can be passed to central processing unit, central processing unit then uses general industrial single-chip microcontroller.
3 lower side of heat storage can is provided at least two blenders 5, and blender 5 is horizontally disposed with positioned at the lower end of heat pipe 7,
It is connect by motor with central processing unit, electric heater 4 is arranged in the bottom of heat storage can 3, and electric heater 4 passes through the first temperature detection
Device is connect with central processing unit, and for detecting the temperature of 4 surrounding conduction oil of electric heater, the exit of heat pipe 7 is provided with
Two temperature-detecting devices, second temperature detection device are connect with central processing unit, for monitoring the outlet hot blast temperature of heat pipe 7,
Central processing unit exports hot blast temperature control blender 5 according to heat pipe 7 and works, and the revolving speed by adjusting blender 5 changes thermally conductive
The convection transfer rate of oil and convection bank realizes the control and output of outlet hot wind operating condition, and hot blast temperature is not higher than 80 DEG C, temperature
Degree detection device is general industrial temperature sensor, is in real time turned analog signal by connecting to be able to achieve with central processing unit
It turns to digital signal and passes to central processing unit, wait further order instruction.
Heat pipe 7 includes the evaporator section on top and the condensation segment of lower part, and conduction oil is during electric heating, 7 bottom quilt of heat pipe
Heat-conducting oil heating, fused salt evaporate the top for rising to heat pipe 7, become evaporator section, and the fused salt in the condensation segment of lower part is constantly heated
Evaporation.When user's working medium needs to heat, 7 evaporator section of heat pipe transfers heat to working medium, deposits to melting under the effect of gravity
7 bottom of heat pipe of salt filling, continuous circulation heat absorption and exothermic process, heat pipe belong to high-temperature heat pipe using fused salt as working media,
Operating temperature is phase transition temperature with fused salt, with the material compatibles such as stainless steel, belongs to the scope of gravity assisted heat pipe.
Preferably, the power of electric heater 4 is 960kw, and the wind pressure of blower 8 is 1490~2032pa, and flow is
13300Nm3/ h, power 18.5kw.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being described and shown in usually here in attached drawing is real
The component for applying example can be arranged and be designed by a variety of different configurations.Therefore, below to the present invention provided in the accompanying drawings
The detailed description of embodiment be not intended to limit the range of claimed invention, but be merely representative of of the invention selected
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
A kind of low ebb electric-heating heat-conductive oil of the present invention and fused salt accumulation of heat hybrid heating system, before start-up operation, first to heat accumulation
It is full of nitrogen 6 in tank 3, avoids container inside and the direct catalytic oxidation of air；Then conduction oil is conveyed to heat accumulation by filling pump 1
In tank 3, the nitrogen 6 in heat storage can 3 is discharged, then nitrogen 6 enters surge tank 2 by exhaust pipe, then is discharged into atmosphere, can basis
The swell increment actual conditions of conduction oil reasonably adjust conduction oil injection flow, and there are the expansion spaces of conduction oil.
When conduction oil begins to warm up accumulation of heat, due to will appear localized hyperthermia around electric heater 4, lead to conduction oil
It decomposes, temperature value is fed back to central processing unit to adjust 5 revolving speed of blender, so that electric heater by the first temperature-detecting device
High temperature heat conductive oil around 4 is sufficiently exchanged heat with low temperature conduction oil.
When conduction oil starting temperature-rise period in, especially put into operation for the first time, due to conduction oil itself residual moisture etc.
Reason can generate a large amount of water vapours, air and other low boiling point volatile matters, will by the air pipe on surge tank 2 by exhaust pipe
Gas is discharged to outside system, to ensure that system normal reliable is run.
When volume will expand conduction oil in temperature-rise period, and generate a small amount of oil vapour, it is necessary to this is discharged,
It just can guarantee the normal circulation of organic heat carrier in systems.Oil vapour enters surge tank by exhaust pipe, due in surge tank 2
There is a certain amount of low temperature conduction oil, so oil vapour can condense out in low temperature conduction oil.
Wherein, after the conduction oil in surge tank 2 reaches set amount, liquid level automatic detection device gives liquid level numeric feedback
Central processing unit, filling pump 1 are started to work, and will be worked in the conduction oil injection heat storage can 3 in surge tank 2.
During electric heater 4 works, the first temperature-detecting device near electric heater 4 detects heater automatically
The temperature of surrounding conduction oil, when conduction oil temperature ramp becomes larger, the first temperature-detecting device is by numeric feedback to center
Processor, blender 5 is started to work, so that the high temperature heat conductive oil around electric heater 4 is sufficiently mixed with low temperature conduction oil, it is thermally conductive
Oily uniform heat distribution, 4 heating rate of electric heater stabilization are needing in range.
During electric heating, by heat-conducting oil heating, fused salt steams conduction oil for 7 bottom of heat pipe of totally enclosed fuse salt filling
Hair rises to the top of the heat pipe 7 of fuse salt filling, becomes evaporator section, the fused salt in the condensation segment of downside is constantly by thermal evaporation.
When user's working medium needs to heat, 7 evaporator section of heat pipe of fuse salt filling transfers heat to working medium, deposits under the effect of gravity
7 bottom of heat pipe filled to fuse salt, continuous circulation heat absorption and exothermic process.
After heat accumulation is completed in low ebb electric heating, wind is blasted the heat accumulation in the heat pipe 7 and heat storage can 3 of fuse salt filling by blower 8
Medium exchanges heat, and realizes stability contorting and the output of outlet condition.
During 3 conduction oil of heat storage can is exothermic, the heat pipe 7 that heat storage can 3 is equipped with monitoring fuse salt filling exports working medium
The second temperature detection device of temperature, while being furnished with bypass conduit in air feed system.Initial stage Temperature of Working, which can be higher than, to be set
Temperature of Working is counted, outlet temperature is fed back to central processing unit by second temperature detection device, is automatically controlling air feed system main road
With the regulating valve of bypass, make to be mixed by the cold working medium of bypass supplement with hot working fluid, control outlet Temperature of Working reaches requirement.
From the point of view of current research, using solid heat accumulating (fused salt) and liquid heat accumulating (conduction oil) integration knot
Structure design is the demand for being suitble to urban development, has very big demand space industrial, civilian.The present invention can effective letter
Change the complexity of liquid heat reservoir (conduction oil) and solid heat reservoir (fused salt), so that equipment operation is safer, stable, easy
Operation.Advantages of the present invention, which sums up, mainly the following:
(1) complexity for avoiding heat-conducting oil heating system reduces equipment usage amount in the case where meeting design requirement.
By investigation, existing market be main heat-conducting oil furnace be gas heat conducting oil boiler or electric-heating heat-conductive oil boiler,
Its two kinds of heat-conducting oil system processes are substantially similar.First conduction oil is stored in head tank, is then sent conduction oil with circulating pump
After being heated to required temperature into electric heater (or hot oil furnace), it is supplied to each heating equipment, then through gs-oil separator,
After excluding the gas and impurity in conduction oil, finally returns again in electric heater and heat, recycle down.Its main equipment
There are filling pump, cryostat, head tank (expansion slot), gs-oil separator, circulating pump, electric heater (hot oil furnace), heat user etc. to set
It is standby.
Heat up the water smoking: heat transfer oil heating, the dehydrating operations requirement provided according to conduction oil factory carries out.Herein
Stage, conduction oil constantly recycle between circulating pump, electric heater, heat user, gs-oil separator, head tank through head tank.Evolution
Steam and low-molecular material then pass through the blow-down pipe discharge system on head tank top.
Normal operation phase: conduction oil recycles between circulating pump, electric heater, heat user, gs-oil separator, circulating pump,
The heat of electric heater is conveyed to heat user, this stage conduction oil is without head tank.
The present invention greatly reduces the usage amount of equipment, and capital equipment is filling pump, heat storage can, dashpot (receive by volume very little
Collect oil vapour and discharge air and water vapour).When conduction oil is in the heating water smoking, due to originals such as conduction oil itself residual moistures
Cause can generate a large amount of water vapours, air and other low boiling point volatile matters, by exhaust pipe, by the air pipe on surge tank by gas
Body is discharged to outside system, to ensure that system normal reliable is run.
When volume will expand conduction oil in temperature-rise period, can be reasonably adjusted according to the swell increment actual conditions of conduction oil
Conduction oil injection flow, there are the expansion spaces of conduction oil in heat storage can.A small amount of oil vapour can be generated in expansion process, it must
This must be discharged, just can guarantee the normal circulation of conduction oil in systems.Oil vapour enters surge tank by exhaust pipe,
Due to there is a certain amount of low temperature conduction oil in surge tank, so oil vapour can condense out in low temperature conduction oil, work as surge tank
In conduction oil reach a certain amount of after, liquid level automatic detection device transmits signal, and leve monitor is by liquid level numeric feedback
To central processing unit, filling pump is started to work, and will be worked in more conduction oil injection heat storage cans in surge tank.
Therefore it designs through the invention, reduces the use of head tank, status slot, gs-oil separator, oil circulating pump, make to set
It is standby to greatly simplify, it runs simple to operation, it can be achieved that automatic operation.
(2) complexity for avoiding Molten salt heating system reduces equipment usage amount in the case where meeting design requirement.
In general, Molten salt heating system be to fused salt after high-temperature heating as heat carrier molten salt furnace and heating equipment it
Between carry out heat cycles heat transfer systems, mainly by groups such as molten salt furnace, molten salt circulating pump, fused salt tank and some pipe line parts
At.
It is placed in underground to thermal, including molten salt furnace and fused salt storage tank, fused salt storage tank using fused salt as the industry of heat carrier, is melted
The fused salt inlet tube of salt furnace is connected with two pump for liquid salts in parallel being arranged in inside fused salt storage tank, the fused salt outlet of molten salt furnace
It is connected with heating equipment, the fused salt outlet of heating equipment is communicated with fused salt storage tank, and an electric heater built in fused salt storage tank, electricity adds
Hot device inlet and outlet are connected with thermal medium inlet pipe and thermal medium outlet pipe respectively, and the shell of molten salt furnace is vertical and cylindrical, burning
Device is placed in lower portion of furnace body.Device can be used as 500 DEG C of high temperature heat sources below.
Molten salt heating system operational process is as follows:
The salt-mixture of powdery is put into fused salt tank first, is added fused salt by being mounted on the modes such as electric heating adjoining pipe in tank
More than heat to fusing point, its viscosity is made to reach the value that can be recycled with molten salt circulating pump.It at the same time, need to be to empty in molten salt furnace
Pipe is preheated, to prevent fused salt from condensation cured occurring when flowing through cooling coil.After coil pipe preheating to a certain extent, open molten
Fused salt is sent into molten salt furnace and is heated by salt circulating pump, and the fused salt for being heated to specific temperature is transported to heating equipment, after heat supply,
Fused salt tank is flowed back to along the circulatory system again, the above process constantly recycles, and constitutes Molten salt heating system.When system operation stops, all
Fused salt will flow back in fused salt tank.
In traditional Molten salt heating system, fused salt cannot be solidified again, otherwise will be consumed after melting for the first time
Amount of heat melts fused salt again, causes heat waste.And whole system cannot achieve entirely in operation operating aspect
Automation control.
The present invention has fully considered the drawbacks of Molten salt heating system, can be effective using a kind of novel molten salt heat accumulation mode
Performance fused salt latent heat and avoid fused salt solidify method.We realize that fused salt is stored as work medium for heat pipe using fused salt
The purpose of heat.
During electric heating, by heat-conducting oil heating, fused salt steams conduction oil for the heat pipe bottom of totally enclosed fuse salt filling
Hair rises to the top of the heat pipe of fuse salt filling, becomes evaporator section, the fused salt in the condensation segment of downside is constantly by thermal evaporation.When
When user's working medium needs to heat, the heat pipe evaporator section of fuse salt filling transfers heat to working medium, deposits under the effect of gravity
The heat pipe bottom of fuse salt filling, continuous circulation heat absorption and exothermic process.
(3) present invention band automatic stirrer strengthens the heat exchange efficiency between working medium and is that heat stablizes externally output.
After heat accumulation is completed in low ebb electric heating, blower air blast is changed by heat exchanger and the heat-storage medium in heat storage can
Heat.During heat storage can conduction oil is exothermic, heat storage can is equipped with the first temperature monitoring of monitoring heat exchanger exit Temperature of Working
Device, while being furnished with bypass conduit in heating system.Initial stage Temperature of Working can be higher than design Temperature of Working, temperature monitoring
Outlet temperature is fed back into central processing unit, in the regulating valve for automatically controlling heating system main road and bypass, makes to mend by bypass
It fills cold working medium to be mixed with hot working fluid, control outlet Temperature of Working reaches requirement.When oil storage tank starts the exothermic middle and later periods
In, since thermally conductive oil temperature reduces, heat transfer effect is poor, and outlet temperature is fed back to central processing unit by temperature monitoring, then certainly
It is dynamic to control motor speed to adjust the revolving speed of blender, change the convection transfer rate of conduction oil and convection bank, reinforcing pair
Spread heat.
The above content is merely illustrative of the invention's technical idea, and this does not limit the scope of protection of the present invention, all to press
According to technical idea proposed by the present invention, any changes made on the basis of the technical scheme each falls within claims of the present invention
Protection scope within.
Claims (10)
1. a kind of low ebb electric-heating heat-conductive oil and fused salt accumulation of heat hybrid heating system, which is characterized in that including heat-conducting oil heating and
Hold over system, heating system and central processing unit；Central processing unit respectively with heating system and heat-conducting oil heating and hold over system
Connection, heat-conducting oil heating and hold over system include heat storage can (3), are provided with totally enclosed heat pipe (7), heat pipe in heat storage can (3)
(7) internal to fill fuse salt, heat pipe (7) is arranged in conduction oil and connect with heating system, for the storage in heat storage can (3)
Thermal medium carries out stability contorting and the output that outlet condition is realized in heat exchange, and central processing unit is for realizing automatic control.
2. low ebb electric-heating heat-conductive oil according to claim 1 and fused salt accumulation of heat hybrid heating system, which is characterized in that heat
Pipe (7) include it is multiple, successively in the heat storage can (3), heat pipe (7) includes evaporator section and condensation segment, evaporator section for vertical spacing setting
Positioned at heat pipe top, condensation segment is located at heat pipe lower part.
3. low ebb electric-heating heat-conductive oil according to claim 1 and fused salt accumulation of heat hybrid heating system, which is characterized in that lead
Hot oil heating and hold over system include filling pump (1), surge tank (2) and nitrogen (6), and filling pump (1) and heat storage can (3) pass through pipe
Road connection, the exhaust line of heat storage can (3) two sides connect nitrogen (6) all the way, and another way is connect through surge tank (2) with filling pump (1).
4. low ebb electric-heating heat-conductive oil according to claim 3 and fused salt accumulation of heat hybrid heating system, which is characterized in that slow
It rushes in tank (2) and is provided with liquid level automatic detection device, liquid level automatic detection device is connect with central processing unit, when surge tank (2)
In conduction oil when reaching setting value, liquid level automatic detection device transmission signal feeds back to central processing unit, and filling pump (1) starts
Work, will be in conduction oil injection heat storage can (3) in surge tank (2).
5. low ebb electric-heating heat-conductive oil according to claim 1 and fused salt accumulation of heat hybrid heating system, which is characterized in that storage
Hot tank (3) side is provided with blender (5), and blender (5) is located at the lower end of heat pipe (7), connect through motor with central processing unit.
6. low ebb electric-heating heat-conductive oil according to claim 5 and fused salt accumulation of heat hybrid heating system, which is characterized in that stir
Device (5) are mixed including at least two.
7. low ebb electric-heating heat-conductive oil according to claim 1 and fused salt accumulation of heat hybrid heating system, which is characterized in that storage
The bottom of hot tank (3) is provided with electric heater (4), and electric heater (4) is arranged in the lower section of heat pipe (7), and electric heater (4) passes through
First temperature-detecting device is connect with central processing unit.
8. low ebb electric-heating heat-conductive oil according to claim 1 and fused salt accumulation of heat hybrid heating system, which is characterized in that supply
Hot systems include blower (8), and blower (8) is connect with the input end of heat pipe (7) by the road.
9. low ebb electric-heating heat-conductive oil according to claim 8 and fused salt accumulation of heat hybrid heating system, which is characterized in that heat
The exit of pipe (7) is provided with second temperature detection device, and second temperature detection device is fed back to for that will export Temperature of Working
Central processing unit.
10. low ebb electric-heating heat-conductive oil and fused salt accumulation of heat hybrid heating system according to claim 1 or 8, feature exist
In heating system further includes air-supply bypass, and air-supply bypass is connect with the outlet of heat pipe (7), for supplementing cold working medium and hot working fluid
Mixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910539197.9A CN110375371A (en) | 2019-06-20 | 2019-06-20 | A kind of low ebb electric-heating heat-conductive oil and fused salt accumulation of heat hybrid heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910539197.9A CN110375371A (en) | 2019-06-20 | 2019-06-20 | A kind of low ebb electric-heating heat-conductive oil and fused salt accumulation of heat hybrid heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110375371A true CN110375371A (en) | 2019-10-25 |
Family
ID=68249113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910539197.9A Pending CN110375371A (en) | 2019-06-20 | 2019-06-20 | A kind of low ebb electric-heating heat-conductive oil and fused salt accumulation of heat hybrid heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110375371A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639465A (en) * | 2021-06-29 | 2021-11-12 | 安徽国电能源设备工程有限公司 | High-temperature phase-change heat storage energy-saving device |
| WO2024187555A1 (en) * | 2023-03-13 | 2024-09-19 | 西安热工研究院有限公司 | Resistance-type molten salt heater capable of avoiding overtemperature risk, and use method therefor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101625180A (en) * | 2009-08-17 | 2010-01-13 | 陈仁春 | Solar hot air heating refrigeration hot water multipurpose device |
| KR20100003501U (en) * | 2008-09-23 | 2010-04-01 | 정방균 | Electric radiator |
| CN102767813A (en) * | 2012-07-16 | 2012-11-07 | 西安交通大学 | Electrical-heating high-temperature conduction oil heat storage steam boiler and outlet steam temperature control method |
| CN103743273A (en) * | 2014-01-13 | 2014-04-23 | 北京工业大学 | Molten salt gravity-assisted heat pipe |
| CN204404348U (en) * | 2014-12-10 | 2015-06-17 | 天津市仟佰億家具有限公司 | Heat pipe concurrent heating formula helix tube heating radiator |
| CN107238203A (en) * | 2017-07-10 | 2017-10-10 | 黄善清 | The single tank fused salt heat storage electric boiler and heat-exchange method of a kind of heat pipe heat exchanging |
| CN108007246A (en) * | 2017-11-28 | 2018-05-08 | 北京工业大学 | The regulatable low ebb electrical heating fused salt of heat exchange amount stores heat-releasing device and application method |
| CN108801014A (en) * | 2018-08-29 | 2018-11-13 | 长沙馨麓能源科技有限公司 | Micro heat pipe radiator and preparation method thereof |
-
2019
- 2019-06-20 CN CN201910539197.9A patent/CN110375371A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100003501U (en) * | 2008-09-23 | 2010-04-01 | 정방균 | Electric radiator |
| CN101625180A (en) * | 2009-08-17 | 2010-01-13 | 陈仁春 | Solar hot air heating refrigeration hot water multipurpose device |
| CN102767813A (en) * | 2012-07-16 | 2012-11-07 | 西安交通大学 | Electrical-heating high-temperature conduction oil heat storage steam boiler and outlet steam temperature control method |
| CN103743273A (en) * | 2014-01-13 | 2014-04-23 | 北京工业大学 | Molten salt gravity-assisted heat pipe |
| CN204404348U (en) * | 2014-12-10 | 2015-06-17 | 天津市仟佰億家具有限公司 | Heat pipe concurrent heating formula helix tube heating radiator |
| CN107238203A (en) * | 2017-07-10 | 2017-10-10 | 黄善清 | The single tank fused salt heat storage electric boiler and heat-exchange method of a kind of heat pipe heat exchanging |
| CN108007246A (en) * | 2017-11-28 | 2018-05-08 | 北京工业大学 | The regulatable low ebb electrical heating fused salt of heat exchange amount stores heat-releasing device and application method |
| CN108801014A (en) * | 2018-08-29 | 2018-11-13 | 长沙馨麓能源科技有限公司 | Micro heat pipe radiator and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 岳岐峰等: "《中国总经济师手册》", 30 September 1993, 东北大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639465A (en) * | 2021-06-29 | 2021-11-12 | 安徽国电能源设备工程有限公司 | High-temperature phase-change heat storage energy-saving device |
| WO2024187555A1 (en) * | 2023-03-13 | 2024-09-19 | 西安热工研究院有限公司 | Resistance-type molten salt heater capable of avoiding overtemperature risk, and use method therefor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103836703B (en) | Fused salt regenerative electrochemical heats central heating system | |
| CN204358977U (en) | A kind of clean energy resource steam boiler adopting Molten Salt Heat Transfer heat accumulation | |
| CN110529870A (en) | A kind of recycling of cigarette air supply heat pump waste heat and flue gas take off the white integrated heating system heated with paddy electricity phase-change accumulation energy step | |
| CN205262270U (en) | Movable heat energy deposit device | |
| CN101464108A (en) | Corrugated phase-change heat accumulation element | |
| CN105605956A (en) | High-temperature air and fused salt efficient heat storage system | |
| CN109539851A (en) | A kind of modularization self-interacting type heat-pipe flue gas waste heat recovery | |
| CN107559930A (en) | Fused salt list tank electrical heating accumulation of heat heating system and application method | |
| CN104864613A (en) | Heat storage device | |
| CN206488353U (en) | A kind of heating system of photo-thermal on daytime evening paddy electricity | |
| CN110375371A (en) | A kind of low ebb electric-heating heat-conductive oil and fused salt accumulation of heat hybrid heating system | |
| CN110388677A (en) | A kind of low ebb electric-heating heat-conductive oil and the common storage heating system and method for fused salt | |
| CN204084540U (en) | Fused salt regenerative electrochemical heating central heating system | |
| CN110388683A (en) | A kind of low ebb electric-heating heat-conductive oil and fused salt composite heat storage heating system and its method | |
| CN110388680A (en) | A kind of conduction oil and fused salt capsule composite heat storage heating system and its method | |
| CN106678955A (en) | Solid heat accumulating type heating device | |
| CN211372463U (en) | Integrated heat supply system of flue gas source heat pump waste heat recovery and valley electricity phase change energy storage | |
| CN107191904A (en) | Fused salt accumulation of heat and thermal energy step utilize direct supply system and method | |
| CN210424976U (en) | Electric heat storage steam device | |
| CN110388682B (en) | Common heat storage and supply system for off-peak electric heating heat conduction oil and fused salt | |
| CN110388681A (en) | A kind of low ebb electric-heating heat-conductive oil simultaneously couples heat exchange of heat pipe heat storage and heat supply system | |
| CN110388678A (en) | A kind of integrated storage heating system of heat-conducting oil furnace coupling spiral tube heat exchanger | |
| CN110375372A (en) | A kind of low ebb electric-heating heat-conductive oil and fused salt heat accumulating type hot wind feed system | |
| CN110762581A (en) | System for heat pipe provides stable hot water in coordination with medium-high temperature phase change heat storage medium | |
| CN207066211U (en) | A kind of New-type phase change heat storage type device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191025 |