CN208475309U - A kind of fused salt heat accumulating type steam superheater and system - Google Patents
A kind of fused salt heat accumulating type steam superheater and system Download PDFInfo
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- CN208475309U CN208475309U CN201821092114.3U CN201821092114U CN208475309U CN 208475309 U CN208475309 U CN 208475309U CN 201821092114 U CN201821092114 U CN 201821092114U CN 208475309 U CN208475309 U CN 208475309U
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- fused salt
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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Abstract
It includes: fused salt storage tank, electric heater and heat exchanging body that the utility model, which provides a kind of fused salt heat accumulating type steam superheater and system, device, and the calandria and heat exchanging body of electric heater are all set in fused salt storage tank；The low-temperature zone that the calandria of electric heater is immersed in the molten salt body in fused salt storage tank heats fused salt, and the heat exchanging body is immersed in the high temperature section of the molten salt body in fused salt storage tank, to realize that the steam in heat exchanging body and fused salt carry out heat exchange.The utility model using fused salt as intermediate heat transferring medium, utilize its liquid and thermal storage effect, it is ensured that electric heating body non-scaling is not corroded, it is ensured that electric heating body surface alternating thermal stress is small, will not its damage, prolong the service life.Ensure to be heated that vapor (steam) temperature fluctuating range is small, realizes the requirement of interruption steam supply.
Description
Technical field
The utility model relates to the heat recovery technologies in metallurgical technology, especially metallurgical technology, are concretely a kind of
Fused salt heat accumulating type steam superheater and system.
Background technique
A large amount of residual heat resources can be generated in metallurgical industry production process, for the needs for reaching production technology, in technique production
Often configure the recvery facility that has surplus heat, the recovery waste heat resource in the form of producing afterheat steam byproduct.The afterheat steam of production is more
Saturated vapor is vaporized for saturated vapor, such as iron and steel enterprise's steelmaking converter vaporization saturated vapor, heater for rolling steel.The waste heat of recycling
Steam is low under the pressure of the quality of steam, cannot be widely applied to high-quality industrial user, can only be transported to low-pressure steam pipe network conduct
The low-quality steam users such as life vapour, heating vapour, a small amount of technique heating vapour.It adopts non-heating region or heating districts are non-
Warm season section steam consumption is reduced, and is caused the afterheat steam of production largely to be diffused, is resulted in waste of resources.In addition, saturated vapor exists
Big along journey resistance damage in steam pipe network transmission process, carrying capacity is big, not only limits conveying distance and also wastes a large amount of thermal energy and water
Resource limits the effective use of waste heat saturated vapor.
In order to improve the economic benefit of enterprise, achieve the purpose that energy conservation, emission reduction, consumption reduction, how more than significantly more efficient utilization
Hot steam resource becomes the emphasis of energy conservation concern.Currently, the prior art is mostly to generate flue gas saturated vapor with fuel gas buring
Mode, improve afterheat steam quality for high-quality steam user use, it is such overheat saturated vapor mode there are technique, control
The disadvantages of system complex processed, equipment occupied space is big, initial cost is high.In recent years, one had been done in terms of improving low-pressure steam quality
Fixed effort, some use electrical heating method, but all rest on the theoretical or experimental stage, do not obtain practical application.
When carrying out Overheating Treatment to steam in the prior art, electric heater surface is easy overtemperature, influences electric heater service life,
Meanwhile it can not ensure the needs of periodic breaks variation vapour user.
Utility model content
To improve the service life for carrying out heater in Overheating Treatment to steam, realize that interruption steam supply, the utility model are real
It applies example and provides a kind of fused salt heat accumulating type steam superheater, comprising: fused salt storage tank, electric heater and heat exchanging body, it is described
The calandria and heat exchanging body of electric heater are all set in fused salt storage tank；Wherein,
The low-temperature zone that the calandria of the electric heater is immersed in the molten salt body in fused salt storage tank heats fused salt,
The heat exchanging body is immersed in the high temperature section of the molten salt body in fused salt storage tank, to realize that the steam in heat exchanging body and fused salt carry out heat
Exchange.
Meanwhile the utility model also provides a kind of fused salt heat accumulating type steam superheating system, comprising: steam thermal storage device, overheat
Device；
The superheater includes: fused salt storage tank, electric heater and heat exchanging body, the calandria of the electric heater
It is all set in fused salt storage tank with heat exchanging body；Wherein,
The low-temperature zone that the calandria of the electric heater is immersed in the molten salt body in fused salt storage tank heats fused salt,
The heat exchanging body is immersed in the high temperature section of the molten salt body in fused salt storage tank, to realize that the steam in heat exchanging body and fused salt carry out heat
Exchange；
The steam heat-storing device is connected with the heat exchanging body input terminal in superheater.
In the utility model embodiment, the system further include: first pressure sensor, first flow sensor, if
It is placed between the steam thermal storage device and heat exchanging body input terminal.
In the utility model embodiment, the system further include: second temperature sensor is set to the output of heat exchanging body
End.
In the utility model embodiment, the system further include: third temperature sensor, the 4th temperature sensor, if
It is placed in the fused salt storage tank, to acquire the high temperature section of the molten salt body in fused salt storage tank, the temperature of low-temperature zone.
In the utility model embodiment, the system further include: PLC controller, electric cabinet, the PLC controller are logical
Electric cabinet is crossed to be connected with the electric heater.
The utility model is realizing electric energy heating saturated vapor simultaneously, using fused salt as intermediate heat transferring medium, utilizes it
Liquid and thermal storage effect, it is ensured that electric heating body non-scaling is not corroded, it is ensured that electric heating body surface alternating thermal stress is small, will not
It is damaged, and is prolonged the service life.Ensure to be heated that vapor (steam) temperature fluctuating range is small, realizes the requirement of interruption steam supply.
For the above and other objects, features and advantages of the utility model can be clearer and more comprehensible, preferable reality is cited below particularly
Example is applied, and cooperates institute's accompanying drawings, is described in detail below.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of fused salt heat accumulating type steam superheater disclosed by the utility model；
Fig. 2 is the schematic diagram of the fused salt heat accumulating type steam superheating system in the utility model embodiment.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model embodiment provides a kind of fused salt heat accumulating type steam superheater, as shown in Figure 1, comprising: fused salt
Storage tank 101, electric heater 102 and heat exchanging body 103, the calandria and heat exchanging body 103 of electric heater 102 are all set in fused salt storage
In tank；Wherein,
The low-temperature zone for the molten salt body 104 that the calandria of electric heater 102 is immersed in fused salt storage tank adds fused salt 104
Heat, heat exchanging body 103 are immersed in the high temperature section of the molten salt body 104 in fused salt storage tank 101, with realize the steam in heat exchanging body 103 with
Fused salt carries out heat exchange.
Meanwhile a kind of fused salt heat accumulating type steam superheating system is also disclosed in the utility model, as shown in Figure 2, comprising: steam storage
Hot device 201, superheater；
Superheater includes: fused salt storage tank 101, electric heater 102 and heat exchanging body 103, the calandria of electric heater 102
It is all set in fused salt storage tank 101 with heat exchanging body 103；
Steam heat-storing device 201 is connected with the input terminal of the heat exchanging body 103 in superheater.
Steam superheating system further include: first pressure sensor 105, first flow sensor 106 are set to steam heat accumulation
Between device 201 and the input terminal of heat exchanging body 103.In the utility model embodiment, steam heat-storing device 201 passes through regulating valve 110
It is connected with first pressure sensor 105.
Second temperature sensor 109 is set to the output end of heat exchanging body.
Third temperature sensor 108, the 4th temperature sensor 107, are set in fused salt storage tank, third temperature sensor
The high temperature section temperature of molten salt body in 108 acquisition fused salt storage tanks, the 4th temperature sensor 107 acquire the temperature of molten salt body low-temperature zone
Degree.
In the utility model embodiment, system further include: PLC controller, electric cabinet 202, PLC controller passes through electric cabinet
202 are connected with electric heater 102.
The utility model embodiment fills interior fused salt as intermediate heat transferring medium, using between electric energy by setting fused salt storage tank
Heating saturated vapor is connect, superheated steam is transformed into and is used for high-quality steam user.
Electric heating body is equipped in the utility model embodiment in fused salt storage tank, fire end is immersed in molten salt body low-temperature zone
It is interior, remain that the characteristic of liquid makes to be immersed in electric heating body outer surface therein non-scaling, is not corroded using fused salt.Work as electricity
When calandria electric load changes, thermal inertia is buffered using fused salt thermal storage effect, it is ensured that the variation of electric heating element surface temperature difference is small, keeps away
Exempt from electric heating element because alternate stress causes to damage, to prolong its service life.
In the utility model embodiment, fused salt-steam heat-exchanging body is equipped in fused salt storage tank, heat exchanging body is immersed in fused salt
In high temperature section.When electric heating body electric load changes, thermal inertia is buffered using fused salt thermal storage effect, ensures in heat exchanging body and steams
The variation of stripping temperature slight amplitude；It can ensure that vapor (steam) temperature is unlikely to excessively high overtemperature in heat exchanging body, meets steam after steam supply stopping
User is interrupted the requirement with vapour.
The product of the utility model embodiment be a kind of device that saturated vapor can be changed into superheated steam, the device by
The composition such as fused salt storage tank, electric heating body, salt-vapour heat exchanging body.Fused salt, which fills, is generally cube shape, can also be to be cylindrical or spherical, electricity
Calandria is generally in-built electrical resistive calandria, and the calandria of external electromagnetic induction or electric tracing mode can also be used.Storage heater
The high-pressure saturated steam confessed flows into salt-vapour heat exchanging body after adjusting valve group pressure regulation with steady pressure, in salt-vapour heat exchanging body
Steam and fused salt storage tank high temperature section fused salt carry out heat exchange, supply user outside qualified superheated steam after heat exchange and use, after heat exchange
Low-temperature molten salt because specific gravity be greater than high-temperature molten salt gradually sink to fused salt storage tank low-temperature zone, low-temperature zone fused salt is risen after electric energy heating
Continue to exchange heat with saturated vapor to high temperature section, thermal energy is released to steam by fused salt continuous reciprocation cycle in storage tank.
The utility model is realizing electric energy heating saturated vapor simultaneously, using fused salt as intermediate heat transferring medium, utilizes it
Liquid and thermal storage effect, it is ensured that electric heating body non-scaling is not corroded, it is ensured that electric heating body surface alternating thermal stress is small, will not
It is damaged, and is prolonged the service life.Ensure to be heated that vapor (steam) temperature fluctuating range is small, realizes the requirement of interruption steam supply.
Specific embodiment is applied in the utility model to be expounded the principles of the present invention and embodiment, with
The explanation of upper embodiment is merely used to help understand the method and its core concept of the utility model；Meanwhile for this field
Those skilled in the art, based on the idea of the present invention, there will be changes in the specific implementation manner and application range, comprehensive
Upper described, the content of the present specification should not be construed as a limitation of the present invention.
Claims (6)
1. a kind of fused salt heat accumulating type steam superheater, which is characterized in that the steam superheating device include: fused salt storage tank,
Electric heater and heat exchanging body, the calandria and heat exchanging body of the electric heater are all set in fused salt storage tank；Wherein,
The low-temperature zone that the calandria of the electric heater is immersed in the molten salt body in fused salt storage tank heats fused salt, described
Heat exchanging body be immersed in the high temperature section of the molten salt body in fused salt storage tank, to realize that the steam in heat exchanging body and fused salt carry out hot friendship
It changes.
2. a kind of fused salt heat accumulating type steam superheating system, which is characterized in that the system includes: steam thermal storage device, crosses hot charging
It sets；
The superheater includes: fused salt storage tank, electric heater and heat exchanging body, the calandria of the electric heater and is changed
Hot body is all set in fused salt storage tank；Wherein,
The low-temperature zone that the calandria of the electric heater is immersed in the molten salt body in fused salt storage tank heats fused salt, described
Heat exchanging body be immersed in the high temperature section of the molten salt body in fused salt storage tank, to realize that the steam in heat exchanging body and fused salt carry out hot friendship
It changes；
The steam heat-storing device is connected with the heat exchanging body input terminal in superheater.
3. fused salt heat accumulating type steam superheating system as claimed in claim 2, which is characterized in that the system further include: the
One pressure sensor, first flow sensor are set between the steam thermal storage device and heat exchanging body input terminal.
4. fused salt heat accumulating type steam superheating system as claimed in claim 2, which is characterized in that the system further include: the
Two temperature sensors are set to the output end of heat exchanging body.
5. fused salt heat accumulating type steam superheating system as claimed in claim 2, which is characterized in that the system further include: the
Three-temperature sensor, the 4th temperature sensor, are set to the fused salt storage tank, to acquire the high temperature of the molten salt body in fused salt storage tank
Section, the temperature of low-temperature zone.
6. fused salt heat accumulating type steam superheating system as claimed in claim 2, which is characterized in that the system further include: PLC
Controller, electric cabinet, the PLC controller are connected by electric cabinet with the electric heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821092114.3U CN208475309U (en) | 2018-07-11 | 2018-07-11 | A kind of fused salt heat accumulating type steam superheater and system |
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| CN201821092114.3U CN208475309U (en) | 2018-07-11 | 2018-07-11 | A kind of fused salt heat accumulating type steam superheater and system |
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| CN208475309U true CN208475309U (en) | 2019-02-05 |
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| CN201821092114.3U Active CN208475309U (en) | 2018-07-11 | 2018-07-11 | A kind of fused salt heat accumulating type steam superheater and system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108826272A (en) * | 2018-07-11 | 2018-11-16 | 北京京诚科林环保科技有限公司 | A kind of fused salt heat accumulating type steam superheater and system |
| CN111189041A (en) * | 2020-02-12 | 2020-05-22 | 浙江大学 | Electric heat accumulating type superheated steam system and method thereof |
| CN113324234A (en) * | 2021-02-24 | 2021-08-31 | 常州大学 | High-temperature molten salt heat accumulating type steam electric cooker device and using method thereof |
| CN114234160A (en) * | 2021-11-26 | 2022-03-25 | 青岛特殊钢铁有限公司 | Hot rolled steel waste heat recovery system and method based on phase change control |
-
2018
- 2018-07-11 CN CN201821092114.3U patent/CN208475309U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108826272A (en) * | 2018-07-11 | 2018-11-16 | 北京京诚科林环保科技有限公司 | A kind of fused salt heat accumulating type steam superheater and system |
| CN111189041A (en) * | 2020-02-12 | 2020-05-22 | 浙江大学 | Electric heat accumulating type superheated steam system and method thereof |
| CN113324234A (en) * | 2021-02-24 | 2021-08-31 | 常州大学 | High-temperature molten salt heat accumulating type steam electric cooker device and using method thereof |
| CN114234160A (en) * | 2021-11-26 | 2022-03-25 | 青岛特殊钢铁有限公司 | Hot rolled steel waste heat recovery system and method based on phase change control |
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