CN206221791U - One kind is used for photo-thermal power generation high-temperature molten salt safety cut-off valve - Google Patents
One kind is used for photo-thermal power generation high-temperature molten salt safety cut-off valve Download PDFInfo
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- CN206221791U CN206221791U CN201621286085.5U CN201621286085U CN206221791U CN 206221791 U CN206221791 U CN 206221791U CN 201621286085 U CN201621286085 U CN 201621286085U CN 206221791 U CN206221791 U CN 206221791U
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Abstract
It is used for photo-thermal power generation high-temperature molten salt safety cut-off valve, including flat tube, sleeve pipe the utility model discloses one kind, flat tube is set in sleeve pipe, sealing inner chamber is formed between flat tube and sleeve pipe, sealing is provided with heating unit and cooling unit in inner chamber；When fused salt heat reservoir breaks down, the characteristics of using for photo-thermal power generation Molten Binary Salts high-melting-point (230 DEG C or so), make liquid fused salt that the effect for reaching cut-out is solidified in flat tube using cooling unit, after failture evacuation, the fused salt of solidification is carried out heating and melting using heating unit, so that pipeline normally circulates, therefore be not in use as easy stuck or jam the situation of shearing device using valve.The setting of flat tube can increase the contact area of cooling unit and heating unit and pipe, improve solidification and melt speed.
Description
Technical field
The utility model is related to photo-thermal power generation high-temperature molten salt system, more particularly to a kind of for photo-thermal power generation high-temperature molten salt peace
Full stop valve.
Background technology
Fused salt heat reservoir is in an emergency when photoelectric generation system runs needs the high-temperature molten salt for cutting off circulation to protect
The safety of card system.Method for cutting off the high-temperature molten salt circulated in pipeline is usually that butterfly valve, stop valve are installed on pipeline
Or ball valve.Because the fused-salt medium temperature run for luminous power generating is in 565 DEG C of even more highs, valve is transported at high temperature for a long time
OK, flap and the reduction of valve rod mechanical performance, are easily deformed, the situation in emergency circumstances causing jam even stuck, it is impossible to cut off
High-temperature molten salt, to production bring serious harm and immeasurable loss, therefore, be badly in need of one kind can never occur jam and
The safe and reliable stop valve of stuck situation.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of high temperature Molten Binary Salts of utilization photo-thermal power generation use and melts
Point temperature cuts off the safety cut-off valve of circulation high-temperature molten salt to reach.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：One kind is used for photo-thermal power generation high-temperature molten salt
Safety cut-off valve, including flat tube, sleeve pipe, the flat tube are set in described sleeve pipe, the flat tube and described sleeve pipe it
Between formed sealing inner chamber, be provided with heating unit and cooling unit in the sealing inner chamber.
Further, the two ends of the flat tube are provided with flange, and the flange middle part is provided with through hole, the flange
The channel connection of through hole and the flat tube.
Further, the heating unit includes the electric tracing being arranged in the sealing inner chamber, and the electric tracing surround
The flat tube is set, and the electrically heat tracing turnover line end extends to described sleeve pipe outside, be additionally provided with described sleeve pipe for
The temperature sensor of detection sealing inner chamber temperature.
Further, the heating unit includes the heating tube being arranged in the sealing inner chamber, and the heating tube surround
The flat tube setting, the air inlet of the heating tube and gas outlet extend to the outside of described sleeve pipe, are also set in described sleeve pipe
It is equipped with the temperature sensor for detecting sealing inner chamber temperature.
Further, the cooling unit includes the medium entrance and media outlet that are opened on sealing inner chamber, is given an account of
Matter import and media outlet are connected by pipeline with medium storage tank, and control valve is provided with the pipeline being connected with medium entrance；
The temperature sensor for detecting sealing inner chamber temperature is additionally provided with described sleeve pipe.
Further, the flange welding is fixed on the flat tube, the flange include fixed part, sealing,
Solder side and projection, the solder side are welded to connect with the flat tube, and the projection is arranged on the solder side, away from institute
The one side for stating solder side connects the fixed part by the sealing.
Further, the flat tube include be arranged on two ends insulation portion and centre heating part, the insulation portion and
Heating unit is provided with the heating part.
Using having the beneficial effect that above-mentioned technical proposal the utility model is obtained：When breaking down, using Molten Binary Salts
The characteristics of fusing point, make fused salt that the effect for reaching cut-out is solidified in flat tube using cooling unit, after failture evacuation, using plus
The fused salt of solidification is carried out heating and melting by hot cell so that pipeline normally circulates, therefore is not in use stuck
Or the situation of jam.The setting of flat tube can increase the contact area of cooling unit and heating unit and pipe, improve solidification and
Melt speed.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation for photo-thermal power generation high-temperature molten salt safety cut-off valve of the utility model；
Fig. 2 is the utility model longitudinal direction cross section structure diagram；
Fig. 3 is the structural representation of flange in the utility model.
In figure：1- flanges, 1.1- fixed parts, 1.2- sealings, 1.3- solders side, 1.4 projections, 2- flat tubes, 3- sleeve pipes,
4- sealings inner chamber, 5- passages, 6- medium entrances, 7- insulation portions, 8- heating parts, 9- media outlets, 10- controls valve, the storage of 11- media
Deposit tank, 12- heating units.
Specific embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.Herein it should be noted that
It is used to help understand the utility model for the explanation of these implementation methods, but does not constitute to restriction of the present utility model.This
Outward, as long as technical characteristic involved in the utility model disclosed below each implementation method does not constitute conflict each other
Can just be mutually combined.
The utility model is further described with reference to accompanying drawing, person of ordinary skill in the field is preferably implemented this reality
With new, the utility model embodiment is a kind of to be used for photo-thermal power generation high-temperature molten salt safety cut-off valve, including flat tube 2, sleeve pipe 3,
Flat tube 2 is set in sleeve pipe 3, and sealing inner chamber 4 is formed between flat tube 2 and sleeve pipe 3, and flat tube 2 and sleeve pipe 3 use Ni-based height
Temperature alloy is made, and sealing is provided with heating unit 12 and cooling unit in inner chamber 4, single in cooling by the fused salt in flat tube 2
Can be solidified and be melted in the presence of unit and heating unit 12, be completed the break-make of the passage 5 of flat tube 2.
The two ends of the utility model embodiment flat tube 2 are provided with flange 1, and the middle part of flange 1 is provided with through hole, flange 1
Through hole is connected with the passage 5 of flat tube 2, is attached by flange 1 and external equipment, and flange 1 is weldingly fixed on flat tube 2
On, flange 1 includes fixed part 1.1, sealing 1.2, solder side 1.3 and raised 1.4, and solder side 1.3 is welded with flat tube 2 and connected
Connect, raised 1.4 are arranged on solder side 1.3, the one side away from solder side 1.3 passes through the connecting portion 1.1 of sealing 1.2,
Sealing 1.2 is obliquely installed, and preferable sealing effectiveness can be played when being connected to external equipment, and raised 1.4 setting is caused
Preferable sealing effectiveness can be reached during welding；In order to preferably reach working effect, flat tube includes being arranged on the guarantor at two ends
Warm portion 7 and the heating part 8 of centre, heating unit 12 is provided with the insulation portion 7 and the heating part 8.
The utility model embodiment heating unit 12 includes the electric tracing being arranged in sealing inner chamber 4, and electric tracing is around flat
Flat pipe 2 is set, and electrically heat tracing end of incoming cables extends to the outside of sleeve pipe 3；Cooling unit includes that the medium being opened on sealing inner chamber 4 enters
Mouth 6 and media outlet 9, medium entrance 6 and media outlet 9 are connected with medium storage tank 11 by pipeline, are connected with medium entrance 6
Pipeline on be provided with control valve 10；The temperature sensor for detecting the sealing temperature of inner chamber 4 is additionally provided with sleeve pipe 3.
The utility model embodiment heating unit 12 includes the heating tube being arranged in sealing inner chamber 4, and heating tube is around flat
Flat pipe 2 is set, and the air inlet of heating tube and gas outlet extend to the outside of sleeve pipe 3；Cooling unit includes being opened in sealing inner chamber 4
On medium entrance 6 and media outlet 9, medium entrance 6 and media outlet 9 are connected by pipeline with medium storage tank 11, with Jie
Control valve 10 is provided with the pipeline of the connection of matter import 6；The temperature for detecting the sealing temperature of inner chamber 4 is additionally provided with sleeve pipe 3
Sensor.
Above-mentioned heating tube can be to be passed through steam or add electric tracing to be heated in tube core, be passed through in cooling unit
The cooling mediums such as nitrogen flat tube 2 is cooled down, as long as the medium that the utility model heating tube and cooling unit are added
Use requirement can be completed, it is not limited specifically.
When using, when system breaks down, the characteristics of using fused salt fusing point, fused salt is made in flat tube using cooling unit
Solidification reaches the effect of cut-out in 2, after failture evacuation, the fused salt of solidification is carried out heating and melting using heating unit 12, makes
Obtain pipeline normally to circulate, therefore be not in use stuck or jam situation.And the setting of flat tube 2 can increase
Plus cooling unit and heating unit 12 and the contact area of pipe, improve solidification and melt speed.
Implementation method of the present utility model is explained in detail above in association with accompanying drawing, but the utility model is not limited to be retouched
The implementation method stated.For a person skilled in the art, it is right in the case where the utility model principle and spirit is not departed from
These implementation methods carry out various changes, modification, replacement and modification, still fall within protection domain of the present utility model.
Claims (7)
- It is 1. a kind of to be used for photo-thermal power generation high-temperature molten salt safety cut-off valve, it is characterised in that：It is described flat including flat tube, sleeve pipe Pipe sleeve is located in described sleeve pipe, and sealing inner chamber is formed between the flat tube and described sleeve pipe, is provided with the sealing inner chamber Heating unit and cooling unit.
- It is 2. a kind of according to claim 1 to be used for photo-thermal power generation high-temperature molten salt safety cut-off valve, it is characterised in that：It is described flat The two ends of pipe are provided with flange, and the flange middle part is provided with through hole, and the through hole of the flange connects with the passage of the flat tube It is logical.
- It is 3. a kind of according to claim 1 to be used for photo-thermal power generation high-temperature molten salt safety cut-off valve, it is characterised in that：The heating Unit includes the electric tracing being arranged in the sealing inner chamber, and the electric tracing is set around the flat tube, the electric tracing Turnover line end extend to described sleeve pipe outside, be additionally provided with described sleeve pipe for detect sealing inner chamber temperature TEMP Device.
- It is 4. a kind of according to claim 1 to be used for photo-thermal power generation high-temperature molten salt safety cut-off valve, it is characterised in that：The heating Unit includes the heating tube being arranged in the sealing inner chamber, and the heating tube is set around the flat tube, the heating tube Air inlet and gas outlet extend to the outside of described sleeve pipe, be additionally provided with described sleeve pipe for detecting sealing inner chamber temperature Temperature sensor.
- It is 5. a kind of according to claim 1 to be used for photo-thermal power generation high-temperature molten salt safety cut-off valve, it is characterised in that：The cooling Unit includes the medium entrance and media outlet that are opened on sealing inner chamber, the medium entrance and media outlet by pipeline with Medium storage tank is connected, and control valve is provided with the pipeline being connected with medium entrance；It is additionally provided with for detecting in described sleeve pipe Seal the temperature sensor of inner chamber temperature.
- It is 6. a kind of according to claim 2 to be used for photo-thermal power generation high-temperature molten salt safety cut-off valve, it is characterised in that：The flange It is weldingly fixed on the flat tube, the flange includes fixed part, sealing, solder side and projection, the solder side and institute State flat tube to be welded to connect, the projection is arranged on the solder side, the one side away from the solder side passes through described close Envelope portion connects the fixed part.
- It is 7. a kind of according to claim 1 to be used for photo-thermal power generation high-temperature molten salt safety cut-off valve, it is characterised in that：It is described flat Pipe includes being arranged on the insulation portion at two ends and the heating part of centre, heating is provided with the insulation portion and the heating part single Unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621286085.5U CN206221791U (en) | 2016-11-28 | 2016-11-28 | One kind is used for photo-thermal power generation high-temperature molten salt safety cut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621286085.5U CN206221791U (en) | 2016-11-28 | 2016-11-28 | One kind is used for photo-thermal power generation high-temperature molten salt safety cut-off valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206221791U true CN206221791U (en) | 2017-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621286085.5U Active CN206221791U (en) | 2016-11-28 | 2016-11-28 | One kind is used for photo-thermal power generation high-temperature molten salt safety cut-off valve |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830299A (en) * | 2017-11-02 | 2018-03-23 | 西安交通大学 | A kind of high-temperature fluorination thing fused salt experimental system pipeline control device |
| CN109404607A (en) * | 2017-08-18 | 2019-03-01 | 天津滨海光热技术研究院有限公司 | Integrated high temp fused salt valve heating device |
| CN113944786A (en) * | 2021-11-15 | 2022-01-18 | 攀钢集团攀枝花钢铁研究院有限公司 | Molten salt blocking device and using method thereof |
-
2016
- 2016-11-28 CN CN201621286085.5U patent/CN206221791U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404607A (en) * | 2017-08-18 | 2019-03-01 | 天津滨海光热技术研究院有限公司 | Integrated high temp fused salt valve heating device |
| CN107830299A (en) * | 2017-11-02 | 2018-03-23 | 西安交通大学 | A kind of high-temperature fluorination thing fused salt experimental system pipeline control device |
| CN113944786A (en) * | 2021-11-15 | 2022-01-18 | 攀钢集团攀枝花钢铁研究院有限公司 | Molten salt blocking device and using method thereof |
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