CN206108053U - Hot -blast preheating device of solar photothermal power fused salt storage tank - Google Patents
Hot -blast preheating device of solar photothermal power fused salt storage tank Download PDFInfo
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- CN206108053U CN206108053U CN201621117043.9U CN201621117043U CN206108053U CN 206108053 U CN206108053 U CN 206108053U CN 201621117043 U CN201621117043 U CN 201621117043U CN 206108053 U CN206108053 U CN 206108053U
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- tank
- fused salt
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Abstract
The utility model discloses a hot -blast preheating device of solar photothermal power fused salt storage tank, hot -blast preheating device includes hot -blast furnace heat supplying units, air inlet unit and exhaust return air unit, hot -blast furnace heat supplying units passes through air inlet unit and exhaust return air unit and storage tank intercommunication, wherein, the air inlet unit includes the air inlet pipeline and stretches into the nozzle of the storage tank jar body through the storage tank tank deck, exhaust return air unit includes that air return pipeline and the manhole through the storage tank tank deck stretch into the storage tank jar body and fix the blast pipe at the storage tank tank bottoms. The utility model discloses a hot -blast preheating device of solar photothermal power fused salt storage tank has avoided the fused salt storage tank to take place to freeze stifled accident when starting damaging with producing great thermal stress, improve equipment's operating stability, the utility model discloses a but device complete disassembly does not have any influence to the normal operation of storage tank to can recycle, can effectively reduce the construction cost at solar photothermal power station.
Description
Technical field
This utility model is related to technical field of solar, more particularly, is related to a kind of solar light-heat power-generation fused salt storage
The hot-air pre-heating device of tank.
Background technology
Energy-storage system is the key that solar light-heat power-generation realizes continuous and stable electric generation, is entered by heat-storage medium in energy-storage system
Row high temperature heat transfer, heat-storage medium most widely used at present is fused salt, and it uses temperature up to 450 DEG C～600 DEG C, and freezing point is general
At 130 DEG C～230 DEG C.Fused salt during due to using for the first time needs to be heated to entering back into storage tank after molten condition, and in storage tank
Temperature is room temperature, and the temperature difference between tank body and fused salt is larger, easily causes storage tank to produce stress fracture or deformation because moment is overheated
Phenomenon, so as to affect the service life of tank body.
Heated using modes such as electric tracing or high-temperature steams more than conventional solution, electric tracing is used and maintenance cost
It is high, the life-span is low and efficiency is low；And high-temperature steam makes big service pressure, operational hazards and maintenance cost is very high, it is also easy to produce after preheating
Condensate and it is not easily cleaned, after mixing with high-temperature molten salt in tank potential safety hazard is also easy to produce.Although also having pre- using hot blast now
The scheme of thermal, but its complicated hot blast transmission pipeline cannot be by the hot blast of big flow, it is impossible to effectively preheat large-scale storage
Tank, and after the completion of preheating, the hot blast transmission pipeline being fixed in storage tank cannot take out, and increase the failure of energy-storage system operating
Risk.And the solar light-heat power-generation energy-storage system of routine is often hot and cold pair of tank energy design, complicated heat in two sets of storage tanks
Wind transmission pipeline also increases the construction cost and maintenance cost in power station.
Utility model content
In order to solve problems of the prior art, the purpose of this utility model is to provide one kind and can reduce solar energy
The solar light-heat power-generation fused salt storage tank hot-air pre-heating device of thermal power station construction cost.
This utility model provides a kind of hot-air pre-heating device of solar light-heat power-generation fused salt storage tank, the hot-air pre-heating
Device includes air stove heating unit, air inlet unit and aerofluxuss return air unit, and the air stove heating unit passes through air inlet unit
Connect with storage tank with aerofluxuss return air unit, wherein, the air inlet unit includes air inlet pipeline and stretches into storage tank by storage tank tank deck
The nozzle of tank body, the aerofluxuss return air unit includes air return pipeline and stretches into storage tank tank body by the manhole of storage tank tank deck and consolidate
It is scheduled on the exhaustor of storage tank bottom.
According to one embodiment of the hot-air pre-heating device of this utility model solar light-heat power-generation fused salt storage tank, the heat
Wind furnace heating unit includes neat gas burner, air-introduced machine and ventilation blower, the air outlet and air intake of the air stove heating unit
The air inlet connection of pipeline, the return air inlet of air stove heating unit is connected with the air outlet of air return pipeline.
According to one embodiment of the hot-air pre-heating device of this utility model solar light-heat power-generation fused salt storage tank, the spray
Mouth is fixedly connected with storage tank tank deck, and it is external and for flange end, the outlet of the nozzle that the arrival end of the nozzle is located at Tank
End is located in Tank body and with towards the wide-angle inclination angle of tank skin.
According to one embodiment of the hot-air pre-heating device of this utility model solar light-heat power-generation fused salt storage tank, the spray
Mouth is connected by flange end with the air outlet of air inlet pipeline.
According to one embodiment of the hot-air pre-heating device of this utility model solar light-heat power-generation fused salt storage tank, the spray
Angle between the port of export and tank body centrage of mouth is 45～60 °.
According to one embodiment of the hot-air pre-heating device of this utility model solar light-heat power-generation fused salt storage tank, the row
The arrival end of trachea is located in Tank body and is fixed by being arranged on the block of tank bottom, the arrival end of the exhaustor
Offer several steam vents；It is external and for flange end that the port of export of the exhaustor is located at Tank.
According to one embodiment of the hot-air pre-heating device of this utility model solar light-heat power-generation fused salt storage tank, the row
Trachea is connected by flange end with the air inlet of air return pipeline.
According to one embodiment of the hot-air pre-heating device of this utility model solar light-heat power-generation fused salt storage tank, the gear
Block includes the base plate being fixed in storage tank bottom and some pieces of risers being fixedly connected with the base plate.
According to one embodiment of the hot-air pre-heating device of this utility model solar light-heat power-generation fused salt storage tank, the row
The arrival end of trachea is sleeved on the block and the exhaustor can be extracted from the storage tank tank body.
Compared with prior art, solar light-heat power-generation fused salt storage tank hot-air pre-heating device of the present utility model avoids molten
There is on startup frozen block accident and produce larger thermal stress and damage in salt storage tank, improve the operation stability of equipment；This reality
It is completely detachable with new device, there is no any impact on the normal operation of storage tank, and can recycle, can be effective
Reduce the construction cost at solar light-heat power-generation station.
Description of the drawings
Fig. 1 shows the hot-air pre-heating of the solar light-heat power-generation fused salt storage tank according to this utility model exemplary embodiment
The structural representation of device.
Fig. 2 shows the hot-air pre-heating of the solar light-heat power-generation fused salt storage tank according to this utility model exemplary embodiment
The mplifying structure schematic diagram of nozzle in device.
Fig. 3 shows the hot-air pre-heating of the solar light-heat power-generation fused salt storage tank according to this utility model exemplary embodiment
The mplifying structure schematic diagram of exhaustor in device.
Description of reference numerals：
1- storage tanks, 2- air stove heating systems, 3- air inlet pipelines, 4- nozzles, 5- blocks, 6- exhaustors, 7- air return pipelines,
8- flanges, 9- tank body heat-insulation layers, 10- steam vents.
Specific embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine by any way.
Any feature disclosed in this specification (including any accessory claim, summary and accompanying drawing), except non-specifically is chatted
State, can alternative features equivalent by other or with similar purpose replaced.I.e., unless specifically stated otherwise, each feature
It is an example in a series of equivalent or similar characteristics.
The structure and principle of the hot-air pre-heating device of this utility model solar light-heat power-generation fused salt storage tank will be entered below
Row is explained.
Fig. 1 shows the hot-air pre-heating of the solar light-heat power-generation fused salt storage tank according to this utility model exemplary embodiment
The structural representation of device.As shown in figure 1, according to exemplary embodiment of the present utility model, the solar light-heat power-generation melts
The hot-air pre-heating device of salt storage tank includes air stove heating unit 2, air inlet unit and aerofluxuss return air unit, air stove heating unit
2 are connected by air inlet unit and aerofluxuss return air unit with storage tank 1, wherein, air inlet unit includes air inlet pipeline 3 and by Tank
The nozzle 4 of storage tank tank body is stretched on top, and aerofluxuss return air unit includes air return pipeline 7 and stretches into Tank by the manhole of storage tank tank deck
Body and it is fixed on the exhaustor 6 of storage tank bottom.That is, hot-air pre-heating device forms a circulation heating wind system with storage tank 1,
The effective preheating to storage tank 1 is realized, wherein, air stove heating unit 2 is connected and right by air inlet pipeline 3 and nozzle 4 with storage tank 1
Storage tank 1 carries out hot blast injection, and storage tank 1 is connected with air stove heating unit 2 by exhaustor 6 and air return pipeline 7 and will storage simultaneously
Cold air in tank 1 is discharged and returned and reheats, and is consequently formed the Efficient Cycle of hot-air, is conducive to improving air stove heat supply
The thermal efficiency and reduces cost of unit 2.Additionally, being additionally provided with tank body heat-insulation layer 9 on the outer wall of storage tank 1 to ensure heat insulation effect.
According to this utility model, air stove heating unit 2 includes the components such as neat gas burner, air-introduced machine and ventilation blower,
The Main Function of air stove heating unit 2 is that circulation produces the hot-air for being used for pre- hot tank 1, and its concrete structure and component connect
Mode is unrestricted, as long as can realize the heating to cold air and produce hot-air.Wherein, air stove heating unit 2
Air outlet be connected with the air inlet of air inlet pipeline 3, the return air inlet of air stove heating unit 2 connects with the air outlet of air return pipeline 7
Connect.
In warm, combustion of natural gas is produced in air stove heating unit 2 heat smoke and air heat-exchange are heated
Hot-air is injected in tank body by the nozzle 4 of air inlet pipeline 3 and storage tank tank deck, is formed hot blast vortex and is given storage tank shell heating,
The hot blast at top gradually collects and progressively preheats storage tank tank deck with top tank skin.With the aggregation of hot blast, tank body upper pressure
Increase, along with gradually reducing for top hot blast, the exhaustor 6 of the air of tank body lower part gradually from tank body is discharged, final heat
Wind completes the preheating to storage tank 1 full of whole tank body.And the waste heat air discharged then supplies air stove again by air return pipeline 7
Heating unit 2, can improve the thermal efficiency of air stove heating unit 2.
Fig. 2 shows the hot-air pre-heating of the solar light-heat power-generation fused salt storage tank according to this utility model exemplary embodiment
The mplifying structure schematic diagram of nozzle in device.As shown in Fig. 2 the nozzle 4 adopted in this utility model is directly solid with storage tank tank deck
Fixed connection, for example with connected modes such as welding；And the arrival end of nozzle 4 to be located at Tank external and for flange end, that is, include
Flange 8, thus nozzle 4 can be connected with the air outlet of air inlet pipeline 3 by flange end, be easily installed and dismantle；Nozzle 4 goes out
Mouth end is in Tank body and with towards the wide-angle inclination angle of tank skin, it is preferable that the port of export of nozzle 4 and tank body center
Angle between line is 45～60 °, is conducive to forming hot blast vortex in tank body, and efficiently tank body is preheated.
Fig. 3 shows the hot-air pre-heating of the solar light-heat power-generation fused salt storage tank according to this utility model exemplary embodiment
The mplifying structure schematic diagram of exhaustor in device.As shown in figure 3, the arrival end of exhaustor 6 is located in Tank body and passes through
The block 5 for being arranged on tank bottom is fixed, and block 5 is used for fixation and reaches the exhaustor 6 of tank base to prevent pipe during aerofluxuss
Bottom disturbs, and is preferably between exhaustor 6 and block 5 and is not fixedly connected in order to the dismounting of exhaustor 6；Exhaustor 6
Arrival end offers several steam vents 10, and during aerofluxuss, air then enters in exhaustor 6 and pass through backwind tube by steam vent 10
Road 7 returns；It is external and for flange end that the port of export of exhaustor 6 is located at Tank, i.e., also include flange 8, and thus exhaustor 6 can be with
It is connected with the air inlet of air return pipeline 7 by flange end, is easily installed and dismantles.
Wherein, block 5 can include the base plate being fixed in storage tank bottom and some pieces of risers being fixedly connected with base plate,
For example it is integral by being welded to connect, but the structure not limited to this of block 5 in this utility model.Preferably, the entrance of exhaustor 6
End is sleeved on block 5 and exhaustor 6 can be extracted from storage tank tank body.
After the completion of preheating, nozzle 4 is disconnected with air inlet pipeline 3, and with the arrival end of cover closure nozzle 4；Again by aerofluxuss
Pipe 6 disconnects with air return pipeline 7, and exhaustor 6 is pulled straight out from the manhole at tank deck edge, the preheating pipe quilt in such storage tank 1
All take out.Wherein, the pipe section in this utility model can be manufactured using ordinary carbon steel, with low cost.
In sum, the hot-air pre-heating apparatus structure of solar light-heat power-generation fused salt storage tank of the present utility model is simple and pre-
Can completely dismantle after the completion of heat, can not only recycle and reduce the construction cost and maintenance expense at solar light-heat power-generation station
With, and the normal operation to solar light-heat power-generation system from now on does not have any harmful effect；Furthermore, it is necessary to hot blast capacity
Large-scale energy storage tank body is suitable for, the large-scale energy storage tank body of solar light-heat power-generation system can be efficiently solved and preheated a difficult problem.
This utility model is not limited to aforesaid specific embodiment.This utility model expands to any in this specification
The new feature of middle disclosure or any new combination, and the arbitrary new method that discloses or the step of process or any new group
Close.
Claims (9)
1. a kind of hot-air pre-heating device of solar light-heat power-generation fused salt storage tank, it is characterised in that the hot-air pre-heating device bag
Air stove heating unit, air inlet unit and aerofluxuss return air unit are included, the air stove heating unit is by air inlet unit and aerofluxuss
Return air unit is connected with storage tank, wherein, the air inlet unit includes air inlet pipeline and stretches into storage tank tank body by storage tank tank deck
Nozzle, the aerofluxuss return air unit includes air return pipeline and stretches into storage tank tank body by the manhole of storage tank tank deck and be fixed on storage
The tank bottoms exhaustor of tank.
2. the hot-air pre-heating device of solar light-heat power-generation fused salt storage tank according to claim 1, it is characterised in that described
Air stove heating unit include neat gas burner, air-introduced machine and ventilation blower, the air outlet of the air stove heating unit with enter
The air inlet connection of air pipe line, the return air inlet of air stove heating unit is connected with the air outlet of air return pipeline.
3. the hot-air pre-heating device of solar light-heat power-generation fused salt storage tank according to claim 1 and 2, it is characterised in that
The nozzle is fixedly connected with storage tank tank deck, and it is external and for flange end, the nozzle that the arrival end of the nozzle is located at Tank
The port of export be located at Tank body in and with towards the wide-angle inclination angle of tank skin.
4. the hot-air pre-heating device of solar light-heat power-generation fused salt storage tank according to claim 3, it is characterised in that described
Nozzle is connected by flange end with the air outlet of air inlet pipeline.
5. the hot-air pre-heating device of solar light-heat power-generation fused salt storage tank according to claim 3, it is characterised in that described
Angle between the port of export and tank body centrage of nozzle is 45～60 °.
6. the hot-air pre-heating device of solar light-heat power-generation fused salt storage tank according to claim 1 and 2, it is characterised in that
The arrival end of the exhaustor is located in Tank body and is fixed by being arranged on the block of tank bottom, the exhaustor
Arrival end offers several steam vents；It is external and for flange end that the port of export of the exhaustor is located at Tank.
7. the hot-air pre-heating device of solar light-heat power-generation fused salt storage tank according to claim 6, it is characterised in that described
Exhaustor is connected by flange end with the air inlet of air return pipeline.
8. the hot-air pre-heating device of solar light-heat power-generation fused salt storage tank according to claim 6, it is characterised in that described
Block includes the base plate being fixed in storage tank bottom and some pieces of risers being fixedly connected with the base plate.
9. the hot-air pre-heating device of solar light-heat power-generation fused salt storage tank according to claim 8, it is characterised in that described
The arrival end of exhaustor is sleeved on the block and the exhaustor can be extracted from the storage tank tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621117043.9U CN206108053U (en) | 2016-10-13 | 2016-10-13 | Hot -blast preheating device of solar photothermal power fused salt storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621117043.9U CN206108053U (en) | 2016-10-13 | 2016-10-13 | Hot -blast preheating device of solar photothermal power fused salt storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206108053U true CN206108053U (en) | 2017-04-19 |
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ID=58530125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621117043.9U Active CN206108053U (en) | 2016-10-13 | 2016-10-13 | Hot -blast preheating device of solar photothermal power fused salt storage tank |
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| CN (1) | CN206108053U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107555003A (en) * | 2017-05-10 | 2018-01-09 | 杭州锅炉集团股份有限公司 | A kind of salt storage tank preheating and heater |
| CN109028985A (en) * | 2018-07-13 | 2018-12-18 | 哈尔滨锅炉厂有限责任公司 | Large-scale storage tank high-temperature gas recycles pre-heating system and circulation pre-heating mean |
| CN110118503A (en) * | 2018-02-05 | 2019-08-13 | 蓝星(北京)化工机械有限公司 | A kind of fused salt storage tank heat-exchange system |
| CN110307656A (en) * | 2019-06-28 | 2019-10-08 | 浙江中控太阳能技术有限公司 | A kind of combined type fused salt heat dump |
| CN110319606A (en) * | 2019-06-06 | 2019-10-11 | 山东电力建设第三工程有限公司 | Photo-thermal power station heat reservoir fused salt tank pre-heating mean |
-
2016
- 2016-10-13 CN CN201621117043.9U patent/CN206108053U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107555003A (en) * | 2017-05-10 | 2018-01-09 | 杭州锅炉集团股份有限公司 | A kind of salt storage tank preheating and heater |
| CN107555003B (en) * | 2017-05-10 | 2020-12-01 | 杭州锅炉集团股份有限公司 | Preheating and heating device for high-temperature molten salt storage tank |
| CN110118503A (en) * | 2018-02-05 | 2019-08-13 | 蓝星(北京)化工机械有限公司 | A kind of fused salt storage tank heat-exchange system |
| CN110118503B (en) * | 2018-02-05 | 2021-08-17 | 蓝星(北京)化工机械有限公司 | Fused salt storage tank heat transfer system |
| CN109028985A (en) * | 2018-07-13 | 2018-12-18 | 哈尔滨锅炉厂有限责任公司 | Large-scale storage tank high-temperature gas recycles pre-heating system and circulation pre-heating mean |
| CN110319606A (en) * | 2019-06-06 | 2019-10-11 | 山东电力建设第三工程有限公司 | Photo-thermal power station heat reservoir fused salt tank pre-heating mean |
| CN110307656A (en) * | 2019-06-28 | 2019-10-08 | 浙江中控太阳能技术有限公司 | A kind of combined type fused salt heat dump |
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