CN208205447U - A kind of fused salt linear Fresnel heat collecting field anti-condensation system - Google Patents
A kind of fused salt linear Fresnel heat collecting field anti-condensation system Download PDFInfo
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- CN208205447U CN208205447U CN201820566182.2U CN201820566182U CN208205447U CN 208205447 U CN208205447 U CN 208205447U CN 201820566182 U CN201820566182 U CN 201820566182U CN 208205447 U CN208205447 U CN 208205447U
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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Abstract
The utility model discloses a kind of fused salt linear Fresnel heat collecting field anti-condensation system comprising fused salt expansion drum, linear Fresnel heat collecting field, low-temperature molten salt tank, high temperature melting salt cellar and the fused salt heating unit of high position arrangement；The fused salt outlet of fused salt expansion drum passes through the fused salt inlet communication of expansion drum outlet conduit and fused salt heating unit, and the fused salt outlet of fused salt heating unit passes through the fused salt inlet communication of heater outlet pipeline and linear Fresnel heat collecting field.Advantage is: according to the difference of heat collecting field idle time length, the source of the anti-condensation heat of flexible choice heat collecting field；And the starting preheating time for shortening light and heat collection subsystem, energy storage subsystem and steam generation subsystem improves the flexibility of system starting；The manufacture difficulty for increasing energization heat tracing relevant device is also avoided simultaneously, it is ensured that the security reliability of system.
Description
Technical field:
The utility model relates to a kind of anti-condensation system more particularly to a kind of fused salt linear Fresnel heat collecting field anti-condensation systems.
Background technique:
Fused salt linear fresnel solar light heat generator is a kind of use numerous plane bar shaped reflecting mirrors and secondary counter
Microscope group is penetrated into light and heat collection unit, sunlight is reflected and is focused on the evacuated collector tube above light and heat collection unit, is heated
Water supply is heated as overheating by heat absorption, heat transfer medium-fused salt in evacuated collector tube, fused salt by steam generating system heat release
Steam, and then drive the clean energy resource power generator of Turbo-generator Set power generation.
Linear fresnel solar photo-thermal power generation technology is compared to groove type solar, tower type solar and disc type solar energy three
For kind of photo-thermal power generation technology, it is excellent to have that original part assembly and adjustment is quick, tracking driving control system is simple, wind loading rating is strong etc.
Point.Use fused salt as heat absorption, heat-transfer working medium compared to using water or conduction oil as the linear fresnel solar light of working medium
Hot generation technology is with more heat absorption, heat transfer, the same working medium of heat accumulation, no heat exchange loss；Fused salt use temperature upper limit height, heat transfer temperature difference
Greatly；In evacuated collector tube medium without phase-change the advantages that, have wide commercial applications prospect.
But since the freezing point of fused salt is higher, and evacuated collector tube large number of in linear Fresnel heat collecting field dissipates
Thermal power is larger, is easy to cause temperature of molten salt in pipe to be down to solidification when heat collecting field is normally stopped transport daily or maintenance is stopped transport for a long time
Under point temperature, so that fused salt is condensed into solid-state, and then block evacuated collector tube, system is caused to be unable to operate normally.
There are mainly two types of the currently used anti-condensation methods of fused salt: one, exhaust method, i.e., when heat collecting field is stopped transport, by vacuum collection
Fused salt in heat pipe is expelled in low-temperature molten salt tank, and then the blocking for preventing fused salt condensation from occurring；Two, energization heat tracing method, passes through
Evacuated collector tube energization heat tracing heats fused salt.Both the above method has the following problems: the first: heat collecting field normally starts
Before, it needs to preheat all evacuated collector tubes, extends the starting time, reduce system starting flexibility；It needs to increase low
Temperature molten salt tank volume increases storage tank manufacture and welding difficulty to accommodate heat collecting field fused salt；Heat collecting field circuit is longer, fused salt according to
It is emptied by flow by gravity, the gradient, which has higher requirements, is arranged to it, increases heat collecting field piece of smooth land project amount and cost；Second: true
Empty set heat pipe energization heat tracing need to increase the matched control of evacuated collector tube energization heat tracing and electric device, increase power plant construction at
This；Evacuated collector tube is easy to happen the problems such as damaged or coating failure, and then increases the maintenance dimension of replacement evacuated collector tube
Protect cost.
Utility model content:
The fused salt linear Fresnel heat collecting field that the purpose of this utility model is to provide a kind of structures is simple, anti-condensation effect is good
Anti-condensation system.
The utility model is implemented by following technical solution:
A kind of fused salt linear Fresnel heat collecting field anti-condensation system comprising the fused salt expansion drum of high position arrangement, linear luxuriant and rich with fragrance alunite
That heat collecting field, low-temperature molten salt tank, high temperature melting salt cellar and fused salt heating unit；
The fused salt outlet of the low-temperature molten salt tank passes through the fused salt of low-temperature molten salt pipeline and the linear Fresnel heat collecting field
Inlet communication, the fused salt outlet of the linear Fresnel heat collecting field pass through the fused salt of high-temperature molten salt pipeline and the high temperature melting salt cellar
Inlet communication；
The fused salt outlet of the fused salt expansion drum by the fused salt of expansion drum outlet conduit and the fused salt heating unit into
Mouthful connection, the fused salt outlet of the fused salt heating unit passes through the molten of heater outlet pipeline and the linear Fresnel heat collecting field
Salt inlet communication；
The fused salt import of the fused salt heating unit passes through the fused salt of heater by-pass pipeline and the fused salt heating unit
The fused salt outlet of outlet, the linear Fresnel heat collecting field passes through the molten of expansion drum inlet pipeline and the fused salt expansion drum
Salt inlet communication；
Overflow outlet is offered on the tank body top of the fused salt expansion drum, the overflow outlet passes through overflow fused salt pipeline
With the fused salt inlet communication of the high temperature melting salt cellar；
It is equipped with low-temperature molten salt on the low-temperature molten salt pipeline to pump, anti-condensation circulation is equipped on the expansion drum outlet conduit
Pump；
In the low-temperature molten salt pipeline, the high-temperature molten salt pipeline, the expansion drum inlet pipeline, expansion drum outlet
Valve is equipped on pipeline, the heater outlet pipeline and the heater by-pass pipeline.
Further, temperature adjustment import is offered on the fused salt expansion drum, the fused salt outlet of the high temperature melting salt cellar is logical
Temperature adjustment pipeline and the temperature adjustment inlet communication are crossed, high-temperature melting salt pump is equipped on the temperature adjustment pipeline, on the temperature adjustment pipeline
Equipped with valve.
Further, the fused salt heating unit is the anti-condensation electric heating group of fused salt or the anti-condensation fossil fuel furnace of fused salt.
The advantages of the utility model:
The utility model can be anti-condensation come flexible choice fused salt according to the length of linear Fresnel heat collecting field idle time heat
It measures source: stopping transport initial stage in linear Fresnel heat collecting field, followed using the waste heat of fused salt itself in linear Fresnel heat collecting field
Ring is anti-condensation, realizes the effective use of waste heat, without starting fused salt heating unit, and then reduces energy consumption；When linear luxuriant and rich with fragrance alunite
After the temperature of the fused salt in your heat collecting field fused salt exit is reduced to 260 DEG C -270 DEG C, start to start fused salt heating unit, online
Property Fresnel heat collecting field normally start before, without preheating to all evacuated collector tubes, shorten light and heat collection subsystem, storage
The starting preheating time of energy subsystem and steam generation subsystem, improve the flexibility of system starting；When fused salt heating unit
When being unable to operate normally, it is anti-condensation that the high-temperature molten salt that high temperature melting salt cellar stores is back to heat collecting field.The utility model is without increasing
Evacuated collector tube leads to electrically heat tracing corollary apparatus, avoids the manufacture difficulty for increasing energization heat tracing relevant device, reduces power station
Construction cost；Meanwhile requirement to the arrangement gradient of linear Fresnel heat collecting field is reduced, it saves piece of smooth land project amount and makes
Valence；In addition, when fused salt heating unit is operated normally without using the high-temperature molten salt of high temperature melting salt cellar storage, and then avoid volume
The included heating unit of outer starting high temperature melting salt cellar heats bring problems to the fused salt in high temperature melting salt cellar, it can be ensured that is
System safe and reliable operation.
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 system structure diagram of the present embodiment 1；
Fig. 2 is the system structure diagram of the present embodiment 2.
In figure: fused salt expansion drum 1, anti-condensation circulating pump 2, fused salt heating unit 3, linear Fresnel heat collecting field 4, low-temperature molten salt
Tank 5, low-temperature molten salt pump 6, high temperature melting salt cellar 7, high-temperature melting salt pump 8, low-temperature molten salt pipeline 9, high-temperature molten salt pipeline 10, expansion drum go out
Mouthful pipeline 11, heater outlet pipeline 12, expansion drum inlet pipeline 13, overflow fused salt pipeline 14, temperature adjustment pipeline 15, by heater
Road pipeline 16.
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.
Embodiment 1:
A kind of fused salt linear Fresnel heat collecting field anti-condensation system as shown in Figure 1 comprising the fused salt expansion of high position arrangement
Tank 1, linear Fresnel heat collecting field 4, low-temperature molten salt tank 5, high temperature melting salt cellar 7 and fused salt heating unit 3；
The fused salt outlet of low-temperature molten salt tank 5 is connected by the fused salt import of low-temperature molten salt pipeline 9 and linear Fresnel heat collecting field 4
Logical, the fused salt outlet of linear Fresnel heat collecting field 4 passes through the fused salt inlet communication of high-temperature molten salt pipeline 10 and high temperature melting salt cellar 7；
The fused salt outlet of fused salt expansion drum 1 is connected by the fused salt import of expansion drum outlet conduit 11 and fused salt heating unit 3
Logical, the fused salt outlet of fused salt heating unit 3 is connected by the fused salt import of heater outlet pipeline 12 and linear Fresnel heat collecting field 4
It is logical；
The fused salt import of fused salt heating unit 3 is exported by the fused salt of heater by-pass pipeline 16 and fused salt heating unit 3
The fused salt outlet of connection, linear Fresnel heat collecting field 4 is connected by the fused salt import of expansion drum inlet pipeline 13 and fused salt expansion drum 1
It is logical；
Overflow outlet is offered on the tank body top of fused salt expansion drum 1, overflow outlet passes through overflow fused salt pipeline 14 and height
The fused salt inlet communication of temperature molten salt tank 7；
It is equipped with low-temperature molten salt pump 6 on low-temperature molten salt pipeline 9, anti-condensation circulating pump 2 is equipped on expansion drum outlet conduit 11；
In low-temperature molten salt pipeline 9, high-temperature molten salt pipeline 10, expansion drum inlet pipeline 13, expansion drum outlet conduit 11, heating
Valve is equipped on device outlet conduit 12 and heater by-pass pipeline 16.
Fused salt heating unit 3 is the anti-condensation electric heating group of fused salt or the anti-condensation fossil fuel furnace of fused salt.
The course of work:
It stops transport initial stage, i.e., under night or the insufficient situation of illumination, linear Fresnel thermal-arrest in linear Fresnel heat collecting field 4
4 can not normal thermal-arrest, lead to not heat the fused salt in system, the waste heat of fused salt in heat collecting field itself utilized to carry out
It recycles anti-condensation；When fused salt itself cannot achieve anti-condensation in system, enables fused salt heating unit 4 and fused salt is heated, make to collect
Fused salt in thermal field does not coagulate.
It includes the following steps: (a), it is anti-condensation recycle using the waste heat of fused salt in heat collecting field itself；(b), fused salt adds
Hot cell compensation is anti-condensation；Wherein,
(a), recycle using the waste heat of fused salt in heat collecting field itself anti-condensation: linear Fresnel heat collecting field 4 operates normally
When, close the valve on expansion drum inlet pipeline 13, open low-temperature molten salt pipeline 9 and valve on high-temperature molten salt pipeline 10 and
Low-temperature molten salt pump 6 is driven the low-temperature molten salt in low-temperature molten salt tank 5 to linear by low-temperature molten salt pipeline 9 by low-temperature molten salt pump 6
Fresnel heat collecting field 4 carries out heat temperature raising, high-temperature molten salt after heating by high-temperature molten salt pipeline 10 be back to high temperature melting salt cellar 7 into
Row storage；
It stops transport initial stage in linear Fresnel heat collecting field 4, is carried out using the waste heat of fused salt itself in linear Fresnel heat collecting field 4
It recycles anti-condensation；The valve on high-temperature molten salt pipeline 10 is closed, expansion drum inlet pipeline 13 is opened, expansion drum outlet conduit 11, adds
Hot device bypass duct 16, the valve on heater outlet pipeline 12 and anti-condensation circulating pump 2, the fused salt for making band have surplus heat is by expansion drum
Inlet pipeline 13 enters in fused salt expansion drum 1, after the fused salt liquid level in fused salt expansion drum 1 reaches design maximum liquid level, closes
Valve on low-temperature molten salt pump 6 and low-temperature molten salt pipeline 9, makes the low-temperature molten salt in low-temperature molten salt tank 5 not enter back into system.Fused salt
The fused salt that band has surplus heat in expansion drum 1 is driven by expansion drum outlet conduit 11 to heater by-pass pipe by anti-condensation circulating pump 2 again
Road 16 and heater outlet pipeline 12 enter linear Fresnel heat collecting field 4 later and carry out anti-condensation circulation；
(b), the compensation of fused salt heating unit is anti-condensation: when the temperature of 4 fused salt exit fused salt of linear Fresnel heat collecting field reduces
To after 260 DEG C -270 DEG C, starts to start fused salt heating unit 3, be exported in the present embodiment in 4 fused salt of linear Fresnel heat collecting field
After the temperature of place's fused salt is reduced to 260 DEG C, start to start fused salt heating unit 3；Close the valve on heater by-pass pipeline 16；
The fused salt in fused salt expansion drum 1 is driven by expansion drum outlet conduit 11 to fused salt heating unit 3 by anti-condensation circulating pump 2, is added
The heated device outlet conduit 12 of fused salt after heat enters linear Fresnel heat collecting field 4, after the cooling of linear Fresnel heat collecting field 4
Fused salt is back in fused salt expansion drum 1 by expansion drum inlet pipeline 13, is so recycled, is carried out anti-condensation heat cycles.
Fused salt heating unit 3 is the anti-condensation electric heating group of fused salt or the anti-condensation fossil fuel furnace of fused salt.
During entire anti-condensation, fused salt is affected by temperature the fused salt liquid level that will lead in fused salt expansion drum 1 and changes,
When the fused salt liquid level in fused salt expansion drum 1 is more than design maximum liquid level, extra fused salt will be exported through overflow to be melted by overflow
Salt pipeline 14 drains into high temperature melting salt cellar 7.
Embodiment 2:
A kind of fused salt linear Fresnel heat collecting field anti-condensation system as shown in Figure 2 comprising the fused salt expansion of high position arrangement
Tank 1, linear Fresnel heat collecting field 4, low-temperature molten salt tank 5, high temperature melting salt cellar 7 and fused salt heating unit 3；
The fused salt outlet of low-temperature molten salt tank 5 is connected by the fused salt import of low-temperature molten salt pipeline 9 and linear Fresnel heat collecting field 4
Logical, the fused salt outlet of linear Fresnel heat collecting field 4 passes through the fused salt inlet communication of high-temperature molten salt pipeline 10 and high temperature melting salt cellar 7；
The fused salt outlet of fused salt expansion drum 1 is connected by the fused salt import of expansion drum outlet conduit 11 and fused salt heating unit 3
Logical, the fused salt outlet of fused salt heating unit 3 is connected by the fused salt import of heater outlet pipeline 12 and linear Fresnel heat collecting field 4
It is logical；
The fused salt import of fused salt heating unit 3 is exported by the fused salt of heater by-pass pipeline 16 and fused salt heating unit 3
The fused salt outlet of connection, linear Fresnel heat collecting field 4 is connected by the fused salt import of expansion drum inlet pipeline 13 and fused salt expansion drum 1
It is logical；
Overflow outlet is offered on the tank body top of fused salt expansion drum 1, overflow outlet passes through overflow fused salt pipeline 14 and height
The fused salt inlet communication of temperature molten salt tank 7；
It is equipped with low-temperature molten salt pump 6 on low-temperature molten salt pipeline 9, anti-condensation circulating pump 2 is equipped on expansion drum outlet conduit 11；
In low-temperature molten salt pipeline 9, high-temperature molten salt pipeline 10, expansion drum inlet pipeline 13, expansion drum outlet conduit 11, heating
Valve is equipped on device outlet conduit 12 and heater by-pass pipeline 16.
Temperature adjustment import is offered on fused salt expansion drum 1, the fused salt outlet of high temperature melting salt cellar 7 by temperature adjustment pipeline 15 and is adjusted
Warm inlet communication is equipped with high-temperature melting salt pump 8 on temperature adjustment pipeline 15, and valve is equipped on temperature adjustment pipeline 15.
Fused salt heating unit 3 is the anti-condensation electric heating group of fused salt or the anti-condensation fossil fuel furnace of fused salt.
The course of work:
It stops transport initial stage, i.e., under night or the insufficient situation of illumination, linear Fresnel thermal-arrest in linear Fresnel heat collecting field 4
4 can not normal thermal-arrest, lead to not heat the fused salt in system, the waste heat of fused salt in heat collecting field itself utilized to carry out
It recycles anti-condensation；When fused salt itself cannot achieve anti-condensation in system, enables fused salt heating unit 4 and fused salt is heated, make to collect
Fused salt in thermal field does not coagulate.
It includes the following steps: (a), it is anti-condensation recycle using the waste heat of fused salt in heat collecting field itself；(b), fused salt adds
Hot cell compensation is anti-condensation；Wherein,
(a), recycle using the waste heat of fused salt in heat collecting field itself anti-condensation: linear Fresnel heat collecting field 4 operates normally
When, close the valve on expansion drum inlet pipeline 13, open low-temperature molten salt pipeline 9 and valve on high-temperature molten salt pipeline 10 and
Low-temperature molten salt pump 6 is driven the low-temperature molten salt in low-temperature molten salt tank 5 to linear by low-temperature molten salt pipeline 9 by low-temperature molten salt pump 6
Fresnel heat collecting field 4 carries out heat temperature raising, high-temperature molten salt after heating by high-temperature molten salt pipeline 10 be back to high temperature melting salt cellar 7 into
Row storage；
It stops transport initial stage in linear Fresnel heat collecting field 4, is carried out using the waste heat of fused salt itself in linear Fresnel heat collecting field 4
It recycles anti-condensation；The valve on high-temperature molten salt pipeline 10 is closed, expansion drum inlet pipeline 13 is opened, expansion drum outlet conduit 11, adds
Hot device bypass duct 16, the valve on heater outlet pipeline 12 and anti-condensation circulating pump 2, the fused salt for making band have surplus heat is by expansion drum
Inlet pipeline 13 enters in fused salt expansion drum 1, after the fused salt liquid level in fused salt expansion drum 1 reaches design maximum liquid level, closes
Valve on low-temperature molten salt pump 6 and low-temperature molten salt pipeline 9, makes the low-temperature molten salt in low-temperature molten salt tank 5 not enter back into system.Fused salt
The fused salt that band has surplus heat in expansion drum 1 is driven by expansion drum outlet conduit 11 to heater by-pass pipe by anti-condensation circulating pump 2 again
Road 16 and heater outlet pipeline 12 enter linear Fresnel heat collecting field 4 later and carry out anti-condensation circulation；
(b), the compensation of fused salt heating unit is anti-condensation: when the temperature of 4 fused salt exit fused salt of linear Fresnel heat collecting field reduces
To after 260 DEG C -270 DEG C, starts to start fused salt heating unit 3, be exported in the present embodiment in 4 fused salt of linear Fresnel heat collecting field
After the temperature of place's fused salt is reduced to 260 DEG C, start to start fused salt heating unit 3；Close the valve on heater by-pass pipeline 16；
The fused salt in fused salt expansion drum 1 is driven by expansion drum outlet conduit 11 to fused salt heating unit 3 by anti-condensation circulating pump 2, is added
The heated device outlet conduit 12 of fused salt after heat enters linear Fresnel heat collecting field 4, after the cooling of linear Fresnel heat collecting field 4
Fused salt is back in fused salt expansion drum 1 by expansion drum inlet pipeline 13, is so recycled, is carried out anti-condensation heat cycles.
It further includes that have step (c) high-temperature molten salt to be back to heat collecting field anti-condensation: when fused salt heating unit 3 is unable to operate normally
When, the valve and high-temperature melting salt pump 8 on temperature adjustment pipeline 15 are opened, by high-temperature melting salt pump 8 by the high-temperature molten salt in high temperature melting salt cellar 7
Through the driving of temperature adjustment pipeline 15 into fused salt expansion drum 1, carry out mixing temperature adjustment with the fused salt in fused salt expansion drum 1, meanwhile, it opens
Valve on heater by-pass pipeline 16, the expanded tank outlet conduit 11 of fused salt, heater by-pass pipeline 16, heating after temperature adjustment
Device outlet conduit 12 enter linear Fresnel heat collecting field 4, linear Fresnel heat collecting field 4 cooling after fused salt by expansion drum into
Mouth pipeline 13 is back in fused salt expansion drum 1, is so recycled, is carried out anti-condensation cyclic process.
Fused salt heating unit 3 is the anti-condensation electric heating group of fused salt or the anti-condensation fossil fuel furnace of fused salt.
During entire anti-condensation, fused salt is affected by temperature the fused salt liquid level that will lead in fused salt expansion drum 1 and changes,
When the fused salt liquid level in fused salt expansion drum 1 is more than design maximum liquid level, extra fused salt will be exported through overflow to be melted by overflow
Salt pipeline 14 drains into high temperature melting salt cellar 7.
Due to being back to linear Fresnel heat collecting field 4 after the high-temperature molten salt stored using high temperature melting salt cellar 7 carries out temperature adjustment
When, the fused salt after linear Fresnel heat collecting field 4 cools down is back in fused salt expansion drum 1 by expansion drum inlet pipeline 13, when molten
When fused salt liquid level in salt expansion drum 1 is more than design maximum liquid level, extra fused salt will be exported through overflow passes through overflow fused salt pipe
Road 14 drains into high temperature melting salt cellar 7, at this point, the temperature of molten salt being discharged into high temperature melting salt cellar 7 is inevitably less than original in high temperature melting salt cellar 7
Some temperature of molten salt, prolonged so circulation, will certainly be such that the temperature of molten salt in high temperature melting salt cellar 7 reduces, lead to its temperature
Deficiency is to provide enough thermal energy for steam generation subsystem, at this point, need to additionally start the included heating unit of high temperature melting salt cellar 7
To the fused salt heating in high temperature melting salt cellar 7, the starting time of steam generation subsystem is increased, steam generation subsystem is also reduced
The flexibility of system starting, not only time consumption and energy consumption, also influences efficiency and economic benefit.
In the present embodiment, the height of the storage of high temperature melting salt cellar 7 is only just used when fused salt heating unit 3 is unable to operate normally
Temperature molten salt belongs to small probability event since fused salt heating unit 3 is unable to operate normally, when fused salt heating unit 3 operates normally
Without using the high-temperature molten salt that high temperature melting salt cellar 7 stores, and then it can guarantee that the high-temperature molten salt for steam generation subsystem is in
Higher temperature avoids the included heating unit of additional starting high temperature melting salt cellar 7 to the fused salt heating tape in high temperature melting salt cellar 7
The problems come.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (3)
1. a kind of fused salt linear Fresnel heat collecting field anti-condensation system, which is characterized in that it include high-order arrangement fused salt expansion drum,
Linear Fresnel heat collecting field, low-temperature molten salt tank, high temperature melting salt cellar and fused salt heating unit；
The fused salt outlet of the low-temperature molten salt tank passes through the fused salt import of low-temperature molten salt pipeline and the linear Fresnel heat collecting field
Connection, the fused salt outlet of the linear Fresnel heat collecting field pass through the fused salt import of high-temperature molten salt pipeline and the high temperature melting salt cellar
Connection；
The fused salt outlet of the fused salt expansion drum is connected by the fused salt import of expansion drum outlet conduit and the fused salt heating unit
It is logical, the fused salt outlet of the fused salt heating unit by heater outlet pipeline and the fused salt of the linear Fresnel heat collecting field into
Mouth connection；
The fused salt import of the fused salt heating unit is exported by the fused salt of heater by-pass pipeline and the fused salt heating unit
Connection, the fused salt outlet of the linear Fresnel heat collecting field by the fused salt of expansion drum inlet pipeline and the fused salt expansion drum into
Mouth connection；
Overflow outlet is offered on the tank body top of the fused salt expansion drum, the overflow outlet passes through overflow fused salt pipeline and institute
State the fused salt inlet communication of high temperature melting salt cellar；
It is equipped with low-temperature molten salt on the low-temperature molten salt pipeline to pump, anti-condensation circulating pump is equipped on the expansion drum outlet conduit；
In the low-temperature molten salt pipeline, the high-temperature molten salt pipeline, the expansion drum inlet pipeline, the expansion drum outlet
Valve is equipped on road, the heater outlet pipeline and the heater by-pass pipeline.
2. a kind of fused salt linear Fresnel heat collecting field anti-condensation system according to claim 1, which is characterized in that described molten
Temperature adjustment import is offered on salt expansion drum, the fused salt outlet of the high temperature melting salt cellar is connected by temperature adjustment pipeline and the temperature adjustment import
It is logical, it is equipped with high-temperature melting salt pump on the temperature adjustment pipeline, valve is equipped on the temperature adjustment pipeline.
3. a kind of fused salt linear Fresnel heat collecting field anti-condensation system according to claim 1, which is characterized in that the fused salt
Heating unit is the anti-condensation electric heating group of fused salt or the anti-condensation fossil fuel furnace of fused salt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820566182.2U CN208205447U (en) | 2018-04-19 | 2018-04-19 | A kind of fused salt linear Fresnel heat collecting field anti-condensation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820566182.2U CN208205447U (en) | 2018-04-19 | 2018-04-19 | A kind of fused salt linear Fresnel heat collecting field anti-condensation system |
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| Publication Number | Publication Date |
|---|---|
| CN208205447U true CN208205447U (en) | 2018-12-07 |
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| CN201820566182.2U Active CN208205447U (en) | 2018-04-19 | 2018-04-19 | A kind of fused salt linear Fresnel heat collecting field anti-condensation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111895666A (en) * | 2019-09-27 | 2020-11-06 | 浙江中控太阳能技术有限公司 | Heat storage medium conveying system for photo-thermal power station |
-
2018
- 2018-04-19 CN CN201820566182.2U patent/CN208205447U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111895666A (en) * | 2019-09-27 | 2020-11-06 | 浙江中控太阳能技术有限公司 | Heat storage medium conveying system for photo-thermal power station |
| CN111895666B (en) * | 2019-09-27 | 2022-01-07 | 浙江可胜技术股份有限公司 | Heat storage medium conveying system for photo-thermal power station |
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