CN208398379U - A kind of fused salt heating device - Google Patents
A kind of fused salt heating device Download PDFInfo
- Publication number
- CN208398379U CN208398379U CN201820914903.4U CN201820914903U CN208398379U CN 208398379 U CN208398379 U CN 208398379U CN 201820914903 U CN201820914903 U CN 201820914903U CN 208398379 U CN208398379 U CN 208398379U
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- China
- Prior art keywords
- fused salt
- tank
- heating
- temperature
- ceramic heater
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of devices of fused salt heating, including fused salt tank and electric heater unit two parts；Ceramic heater is controlled using temperature controller and A.C. contactor, the thermally conductive mode of fused salt melts fused salt into tank in such a way that ceramic heater generates heat and directly contacts with tank skin.The utility model can preferably heat fused salt, compared with the prior device, in terms of having at low cost, part replacement, many advantages, such as operational reliability is high.The method of the further perfect heating fused salt of the utility model, may be not only suitable for the heating of fused salt, also may extend to that other fusing points are higher, corrosivity stronger medium.
Description
Technical field
The invention belongs to fused salt heating device technology areas, and in particular to a kind of device of fused salt heating.
Background technique
Fused salt refers generally to the mixture of the salts such as nitrate, chloride, carbonate, fluoride salt, has, heat high using temperature
The advantages such as stability is high, specific heat capacity is high, convective heat-transfer coefficient is high, viscosity is low, saturated vapor forces down, price is low, while having one
Fixed latent heat of phase change is very suitable for serving as heat transfer heat-storage medium.Either nuclear energy power generation or photo-thermal power generation all be unable to do without and pass storage
Thermal medium, fused salt relies on to be had broad application prospects in its production process of unique advantage.
In engineer application, fused salt is rationally utilized, it is necessary to the heating of solid fused salt is first fused into liquid.But due to molten
Salt setting temperature is high, running temperature is high, and has the characteristics that corrosive, produces during heating to fused salt all
More technical problems.Currently, the fused salt heating device that researchers use is contact heating mode, heater is directly and fused salt
Contact is heated.Though this method heating speed is fast, fused salt corrosion is strong, cause to damage to heating equipment using meeting for a long time
Evil, reduces the reliability of heating system.Therefore it provides a heating system reliable for operation will make up fused salt heating art
Technological deficiency has important reference value on engineer application.
Summary of the invention
The object of the present invention is to provide a kind of fused salt heating devices, and it is rotten to solve heating device existing in the prior art
The problem of erosion.
A technical solution of the present invention is a kind of device of fused salt heating, including fused salt tank, outside fused salt tank
It is arranged with ceramic heater, insulating layer, fused salt tank and ceramic heater are provided between fused salt tank and ceramic heater by leading
Line connects electric heater unit, is respectively arranged with exhaust valve and inlet valve at the top of fused salt tank, fused salt pot bottom is provided with blow-off valve.
The features of the present invention also characterized in that
Electric heater unit includes power supply, and power supply connects temperature controller by conducting wire, and temperature controller is separately connected exchange by conducting wire
Contactor and temperature sensor, A.C. contactor connect ceramic heater by conducting wire, and temperature sensor is connected molten by conducting wire
Salt cellar.
Insulating layer is provided with outside ceramic heater.
Temperature sensor is thermocouple.
Temperature sensor is armoured thermocouple.
The beneficial effects of the present invention are: at low cost, simple, easy to disassemble, temperature control effect is good, homogeneous heating, corrosion resistant
Property it is strong, system reliability is high.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the device of fused salt heating of the present invention.
In figure, 1. fused salt tanks, 2. ceramic heaters, 3. electric heater units, 4. exhaust valves, 5. inlet valves, 6. blow-off valves, 7.
Power supply, 8. temperature controllers, 9. A.C. contactors, 10. temperature sensors.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
A kind of device of fused salt heating of the present invention, as shown in Figure 1, including fused salt tank 1,1 outer cover of fused salt tank is equipped with ceramics
Heater 2, fused salt tank 1 and ceramic heater 2 connect electric heater unit 3 by conducting wire, and exhaust is respectively arranged at the top of fused salt tank 1
Valve 4 and inlet valve 5,1 bottom of fused salt tank are provided with blow-off valve 6.
The effect of exhaust valve 4 is that gas in fused salt tank 1 can be discharged in fused salt heating process, prevents temperature rise in fused salt tank 1
Caused by air pressure it is excessively high.
1 tank body material selection 06Cr of fused salt tank17Ni12Mo2(316) stainless steel adds Mo element, makes its corrosion resistance and height
Warm intensity is greatly improved.
Electric heater unit 3 includes power supply 7, and power supply 7 connects temperature controller 8 by conducting wire, and temperature controller 8 is separately connected by conducting wire
A.C. contactor 9 and temperature sensor 10, A.C. contactor 9 connect ceramic heater 2 by conducting wire, and temperature sensor 10 passes through
Conducting wire connects fused salt tank 1, temperature sensor jack i.e. thermocouple jack is equipped in fused salt tank 1, for connecting temperature sensor
10.Temperature sensor jack, that is, thermocouple jack of the probe insertion of temperature sensor 10 1 bottom of fused salt tank, measures in fused salt tank 1
The temperature of bottom fused salt；10 compensating wire of temperature sensor is connected to temperature controller 8, to 8 feedback temperature of temperature controller.
Fused salt tank 1 is heated by ceramic heater 2, is heated to fused salt melting temperature or more, guarantees that fused salt is complete in tank
Portion's fusing.Ceramic heater 2 and 1 outer wall of fused salt tank are in close contact, and are generated heat by ceramic heater 1, and pass through 1 tank skin of fused salt tank
It is thermally conductive to melt solid fused salt.
Temperature controller 8 is restored automatically using multiple digital filter circuit, interference and the temperature controller of PID function.
Insulating layer is provided between fused salt tank 1 and ceramic heater 2.Insulating layer is the aluminium silicate fiber for being resistant to 1260 DEG C of high temperature
Dimension makees thermal insulation material, integrally keeps the temperature to fused salt tank, while effectively accelerating heating speed；
Insulating layer is provided with outside ceramic heater 2.
Further, temperature sensor 10 is thermocouple.
Further, 10 be armoured thermocouple.
Temperature controller 8 controls 9 on-off of A.C. contactor according to the temperature signal of the measurement temperature of temperature sensor 10, to control
Whether ceramic heater 1 processed heats, the final thermostatic control realized to temperature in 1 tank of fused salt tank.
A kind of fused salt heating means, the device heated using a kind of fused salt, the specific steps are as follows:
Step 1 first checks for heater circuit 3, guarantees to open inlet valve 5 without broken string, drain conditions, built-in to fused salt tank 1
Enter fused salt, be then turned off inlet valve 5, and blow-off valve 6 is kept to close, opens exhaust valve 4；
The temperature setting of temperature controller 8 is to open power supply 7, pass through ceramic heat not less than fused salt melting temperature by step 2
Device 2 heats fused salt tank 1；After temperature in fused salt tank 1 reaches 8 set temperature of temperature controller, it is disconnected that temperature controller 8 controls A.C. contactor 9
It opens, ceramic heater 2 stops heating；When temperature is down to set temperature or less in fused salt tank 1, temperature controller 8 controls ac contactor
Device 9 is closed, and ceramic heater 2 is begun to warm up；
After step 3, heating, power supply 7 is first closed, is cooled to room temperature to temperature in fused salt tank 1, turns off exhaust valve 4.
A kind of device of fused salt heating of the present invention, the beneficial effect is that:
(1) a kind of device of fused salt heating of the present invention, the method for taking contactless, external heating pass through ceramic heat
Device fever and the mode thermally conductive to tank body wall surface, heat fused salt in fused salt tank；This method heating is reliable, at low cost, simple, square
Just it dismantles, and heat is distributed in even tube wall, heating effect is good；
(2) a kind of device of fused salt heating of the present invention, the collected temperature data synchronous transfer of temperature sensor to temperature
Control device, can in real-time detection tank fused salt temperature, and feedback tune is carried out to ceramic heater by temperature controller and A.C. contactor
Section accomplishes accurately controlling for temperature of molten salt in fused salt tank, enhances the reliability of system；
(3) a kind of device of fused salt heating of the present invention is more suitable for adding for a small amount of fused salt since its rate of heat addition is slower
Heat.The range for extending fused salt application to a certain extent, improves engineer application feasibility, has to fused salt fusion process and refers to
Lead meaning.
Claims (5)
1. a kind of fused salt heating device, which is characterized in that including fused salt tank (1), fused salt tank (1) outer cover is equipped with ceramics and adds
Hot device (2) is provided with insulating layer, the fused salt tank (1) and the ceramics between the fused salt tank (1) and ceramic heater (2)
Heater (2) connects electric heater unit (3) by conducting wire, and exhaust valve (4) and charging are respectively arranged at the top of the fused salt tank (1)
Valve (5), fused salt tank (1) bottom are provided with blow-off valve (6).
2. a kind of fused salt heating device according to claim 1, which is characterized in that the electric heater unit (3) includes electricity
Source (7), the power supply (7) are separately connected temperature controller (8) by conducting wire, and the temperature controller (8) is separately connected exchange by conducting wire
Contactor (9) and temperature sensor (10), the A.C. contactor (9) is connected the ceramic heater (2) by conducting wire, described
Temperature sensor (10) connects the fused salt tank (1) by conducting wire.
3. a kind of fused salt heating device according to claim 2, which is characterized in that set outside the ceramic heater (2)
It is equipped with insulating layer.
4. a kind of fused salt heating device according to claim 2, which is characterized in that the temperature sensor (10) is thermoelectricity
It is even.
5. a kind of fused salt heating device according to claim 4, which is characterized in that the temperature sensor (10) is armouring
Thermocouple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820914903.4U CN208398379U (en) | 2018-06-13 | 2018-06-13 | A kind of fused salt heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820914903.4U CN208398379U (en) | 2018-06-13 | 2018-06-13 | A kind of fused salt heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208398379U true CN208398379U (en) | 2019-01-18 |
Family
ID=65135502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820914903.4U Expired - Fee Related CN208398379U (en) | 2018-06-13 | 2018-06-13 | A kind of fused salt heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208398379U (en) |
-
2018
- 2018-06-13 CN CN201820914903.4U patent/CN208398379U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190118 Termination date: 20200613 |
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| CF01 | Termination of patent right due to non-payment of annual fee |