CN203834702U - Heat insulation structure of high temperature fused salt heat accumulation tank for solar thermal power generation - Google Patents
Heat insulation structure of high temperature fused salt heat accumulation tank for solar thermal power generation Download PDFInfo
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- CN203834702U CN203834702U CN201420226276.7U CN201420226276U CN203834702U CN 203834702 U CN203834702 U CN 203834702U CN 201420226276 U CN201420226276 U CN 201420226276U CN 203834702 U CN203834702 U CN 203834702U
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
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Abstract
The utility model provides a heat insulation structure of a high temperature fused salt heat accumulation tank for solar thermal power generation and relates to the field of fused salt storage tanks. The heat insulation structure comprises a heat insulation tank body and a heat insulation tank bottom arranged at the bottom of the heat insulation tank body, the heat insulation tank bottom is arranged on a refractory cement layer arranged on a reinforced concrete layer, and a seamless steel tube is buried in the reinforced concrete layer and is communicated with external air. The heat insulation tank bottom is formed by an outer heat insulation bearing ring, a lower and inner heat insulation layer, an upper and inner heat insulation layer, an alumina silicate fiber blanket, a sand bed layer and a stainless steel plate, the lower and inner heat insulation layer and the upper and inner heat insulation layer are arranged on the inner side of the outer heat insulation bearing ring, the upper and inner heat insulation layer is arranged at the upper end of the lower and inner heat insulation layer, the sand bed layer is arranged at the upper end of the lower and inner heat insulation layer, the stainless steel plate is arranged at the upper end of the sand bed layer, and the alumina silicate fiber blanket is arranged between the lower and inner heat insulation layer and the outer heat insulation bearing ring. The heat insulation structure has the advantages of compression resistance, high temperature resistance and thermal shock resistance, and has a small heat conductivity coefficient and a good heat insulation effect. Meanwhile, the heat insulation structure further has water-proof and damp-proof effects and synthesizes heat insulation and tank body supporting functions.
Description
Technical field
The utility model relates to the fused salt heat storage can using in solar heat power generation system, is specifically related to a kind of solar energy thermal-power-generating high-temperature molten salt heat storage can substrate insulation construction.
Background technology
At present, the heat-storage medium in solar energy thermal-power-generating field is binary fused salt mixt Solar Salt through the ripe fused salt product of commercialization application verification, and its constituent is 60%NaNO
3and 40%KNO
3this fused salt has the advantages such as cost is low, good stability, serviceability temperature scope can reach 290 ℃-565 ℃, its shortcoming is that freezing point is up to 220 ℃, it is solid that all key equipments of system and pipeline need to prevent condensation in running, otherwise may stop up the phenomenon that even system equipment damages.On the other hand, in solar heat power generation system, guarantee the operation of system continous-stable, make system have higher conversion efficiency of thermoelectric simultaneously, in storage tank, the temperature of medium must be stablized.Above 2 heat insulation effects to storage tank have proposed very high requirement.
The insulation of tank body substrate has its particularity, and the heat insulating material of substrate is high temperature resistant except possessing, also need to have certain compressive strength high insulating effect.In design substrate insulation construction, can be divided into that to take load-bearing be main outer ring insulation layer and with the base insulating layer of insulation position, and compared with the heat insulating material of distant positions, can select the lower but better heat insulating material of heat-insulating property of tolerable temperature at the bottom of tank.
Utility model content
The purpose of this utility model is to provide the structure design of high-temperature molten salt heat storage can substrate insulation layer in a kind of solar heat power generation system, reduces storage tank heat waste when bearing tank body weight, prevents that fused salt from solidifying, and improves efficiency of energy utilization.
Technical problem to be solved in the utility model realizes by the following technical solutions:
A kind of solar energy thermal-power-generating high-temperature molten salt heat storage can substrate insulation construction, it is characterized in that: at the bottom of comprising insulation tank body and being arranged on the heat insulation tank of insulation tank body inner bottom part, at the bottom of described heat insulation tank, be placed on refractory cement layer, refractory cement is placed on reinforced concrete floor, described reinforced concrete floor inside is embedded with seamless steel pipe, seamless steel pipe leads in external air, at the bottom of described heat insulation tank by heat-preserving load-bearing outer ring, internal insulation lower floor, internal insulation upper strata, alumina silicate fibre blanket, sand cushion, corrosion resistant plate forms, described internal insulation lower floor, internal insulation upper strata is arranged on inner side, heat-preserving load-bearing outer ring, described internal insulation upper strata is arranged on internal insulation lower floor upper end, described sand cushion is arranged on internal insulation lower floor upper end, described corrosion resistant plate is arranged on sand cushion upper end, described alumina silicate fibre blanket is arranged between internal insulation lower floor and heat-preserving load-bearing outer ring.
Described reinforced concrete floor diameter is greater than refractory cement layer diameter, and thickness is 50-100cm, the diameter 30-80mm of seamless steel pipe, and seamless steel pipe communicates with external environment.
Described refractory cement layer diameter is greater than the diameter of insulation tank body, and thickness is 30-50cm.
Described insulation tank body consists of tank body and the tank body insulation layer that is wrapped in tank body outside.
Described heat-preserving load-bearing outer ring comprises heat-preserving load-bearing outer ring lower floor and is arranged on the upper strata, heat-preserving load-bearing outer ring of heat-preserving load-bearing outer ring lower floor upper end; Upper strata, heat-preserving load-bearing outer ring is the refractory brick that 10-30cm is thick, and heat-preserving load-bearing outer ring lower floor is the lightweight thermal insulation brick that 30-50cm is thick;
Internal insulation upper strata is the lightweight thermal insulation brick that 0-30cm is thick, and internal insulation lower floor is the foam glass that 20-50cm is thick.
Described sand cushion diameter equals heat-preserving load-bearing race diameter, adopts common medium coarse sand, and thickness is 2-5cm.
Described corrosion resistant plate diameter equals heat-preserving load-bearing race diameter, and thickness is 1-10mm.
The beneficial effects of the utility model are:
The utility model provides a kind of solar energy thermal-power-generating high-temperature molten salt heat storage can substrate insulation construction, and heat insulating material has the feature of resistance to compression, high temperature resistant, thermal shock resistance, and coefficient of thermal conductivity is less, has good heat insulation effect; Also have waterproof and dampproof effect, this insulation construction combines insulation and supports the effect of tank body simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure 1, reinforced concrete floor; 2, seamless steel pipe; 3, refractory cement layer; 4, heat-preserving load-bearing outer ring; 5, at the bottom of heat insulation tank; 6, internal insulation lower floor; 7, internal insulation upper strata; 8, alumina silicate fibre blanket; 9, sand cushion; 10, corrosion resistant plate; 11, insulation tank body; 41, heat-preserving load-bearing outer ring lower floor; 42, upper strata, heat-preserving load-bearing outer ring.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with specific embodiments and the drawings, further set forth the utility model, but following embodiment is only preferred embodiment of the present utility model, not all.Embodiment based in embodiment, those skilled in the art are other embodiment that obtains under the prerequisite of not making creative work, all belongs to the protection domain of this patent.
As shown in Figure 1, a kind of solar energy thermal-power-generating high-temperature molten salt heat storage can substrate insulation construction, at the bottom of comprising insulation tank body 11 and being arranged on the heat insulation tank of insulation tank body 11 inner bottom parts 5, at the bottom of heat insulation tank, 5 are placed on refractory cement layer 3, refractory cement layer 3 is placed on reinforced concrete floor 1, reinforced concrete floor 1 inside is embedded with seamless steel pipe 2, seamless steel pipe 2 leads in external air, at the bottom of heat insulation tank, 5 by heat-preserving load-bearing outer ring 4, internal insulation lower floor 6, internal insulation upper strata 7, alumina silicate fibre blanket 8, sand cushion 9, corrosion resistant plate 10 forms, internal insulation lower floor 6, internal insulation upper strata 7 is arranged on 4 inner sides, heat-preserving load-bearing outer ring, internal insulation upper strata 7 is arranged on internal insulation lower floor 6 upper ends, sand cushion 9 is arranged on internal insulation lower floor 7 upper ends, corrosion resistant plate 10 is arranged on sand cushion 9 upper ends, alumina silicate fibre blanket 8 is arranged between internal insulation lower floor 6 and heat-preserving load-bearing outer ring 4, heat-preserving load-bearing outer ring 4 comprises heat-preserving load-bearing outer ring lower floor 41 and is arranged on the upper strata, heat-preserving load-bearing outer ring 42 of heat-preserving load-bearing outer ring lower floor 41 upper ends.
Reinforced concrete floor 1 completes at the ground upper of compacting, and thickness is 50-100cm, and distance steel reinforced concrete end face 10cm place is embedded with one deck and communicates with external environment for the seamless steel pipe 2 of the Ф 30-80mm that dispels the heat, seamless steel pipe 2 level interval 50-100cm.Reinforced concrete floor 1 is the refractory cement layer 3 of cast above, and thickness 30-50cm leaves the dilatation joint of 4 10mm, with the filling of insulation fibre blanket along radial direction.
Heat-preserving load-bearing outer ring lower floor 41 is the lightweight thermal insulation brick that 30-50cm is thick, and upper strata, heat-preserving load-bearing outer ring 42 is the refractory brick that 10-30cm is thick, and base insulating layer lower floor 6 is the foam glass that 20-50cm is thick, and base insulating layer upper strata 7 is the lightweight thermal insulation brick that 0-30cm is thick.Lightweight thermal insulation brick and the refractory brick of insulating sections are built into refractory mortar, and refractory mortar is identical with lightweight thermal insulation brick composition.
Sand cushion 9 adopts common medium coarse sand, and thickness is 2-5cm, and corrosion resistant plate 10 thickness are 1-10mm.At the bottom of heat insulation tank, 5 are enclosed in insulation tank body 11 the insides.
More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what in above-described embodiment and manual, describe is only preference of the present utility model; be not used for limiting the utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (7)
1. a solar energy thermal-power-generating high-temperature molten salt heat storage can substrate insulation construction, it is characterized in that: at the bottom of comprising insulation tank body and being arranged on the heat insulation tank of insulation tank body inner bottom part, at the bottom of described heat insulation tank, be placed on refractory cement layer, refractory cement is placed on reinforced concrete floor, described reinforced concrete floor inside is embedded with seamless steel pipe, seamless steel pipe leads in external air, at the bottom of described heat insulation tank by heat-preserving load-bearing outer ring, internal insulation lower floor, internal insulation upper strata, alumina silicate fibre blanket, sand cushion, corrosion resistant plate forms, described internal insulation lower floor, internal insulation upper strata is arranged on inner side, heat-preserving load-bearing outer ring, described internal insulation upper strata is arranged on internal insulation lower floor upper end, described sand cushion is arranged on internal insulation lower floor upper end, described corrosion resistant plate is arranged on sand cushion upper end, described alumina silicate fibre blanket is arranged between internal insulation lower floor and heat-preserving load-bearing outer ring.
2. solar energy thermal-power-generating high-temperature molten salt heat storage can substrate insulation construction according to claim 1, it is characterized in that: described reinforced concrete floor diameter is greater than refractory cement layer diameter, thickness is 50-100cm, the diameter 30-80mm of seamless steel pipe, and seamless steel pipe communicates with external environment.
3. solar energy thermal-power-generating high-temperature molten salt heat storage can substrate insulation construction according to claim 1, is characterized in that: described refractory cement layer diameter is greater than the diameter of insulation tank body, and thickness is 30-50cm.
4. solar energy thermal-power-generating high-temperature molten salt heat storage can substrate insulation construction according to claim 1, is characterized in that: described insulation tank body consists of tank body and the tank body insulation layer that is wrapped in tank body outside.
5. solar energy thermal-power-generating high-temperature molten salt heat storage can substrate insulation construction according to claim 1, is characterized in that: described heat-preserving load-bearing outer ring comprises heat-preserving load-bearing outer ring lower floor and is arranged on the upper strata, heat-preserving load-bearing outer ring of heat-preserving load-bearing outer ring lower floor upper end.
6. solar energy thermal-power-generating high-temperature molten salt heat storage can substrate insulation construction according to claim 1, is characterized in that: described sand cushion diameter equals heat-preserving load-bearing race diameter, adopts common medium coarse sand, and thickness is 2-5cm.
7. solar energy thermal-power-generating high-temperature molten salt heat storage can substrate insulation construction according to claim 1, is characterized in that: described corrosion resistant plate diameter equals heat-preserving load-bearing race diameter, and thickness is 1-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420226276.7U CN203834702U (en) | 2014-05-05 | 2014-05-05 | Heat insulation structure of high temperature fused salt heat accumulation tank for solar thermal power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420226276.7U CN203834702U (en) | 2014-05-05 | 2014-05-05 | Heat insulation structure of high temperature fused salt heat accumulation tank for solar thermal power generation |
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| Publication Number | Publication Date |
|---|---|
| CN203834702U true CN203834702U (en) | 2014-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420226276.7U Expired - Fee Related CN203834702U (en) | 2014-05-05 | 2014-05-05 | Heat insulation structure of high temperature fused salt heat accumulation tank for solar thermal power generation |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016066874A1 (en) * | 2014-10-29 | 2016-05-06 | Abengoa Solar New Technologies, S.A. | Refractory support layer for high-temperature heat storage tanks |
| CN106759429A (en) * | 2017-03-15 | 2017-05-31 | 深圳市爱能森科技有限公司 | A kind of heat reservoir ground heat abstractor and its control method |
| CN107892103A (en) * | 2017-11-09 | 2018-04-10 | 中国成达工程有限公司 | The preheating device of large-scale storage tank bottom plate |
| CN108532584A (en) * | 2018-06-13 | 2018-09-14 | 常州索拉尔熔盐泵阀科技有限公司 | A kind of heat preservation ground for placing high-temperature liquid state substance storage tank |
| CN108534576A (en) * | 2018-06-13 | 2018-09-14 | 常州索拉尔熔盐泵阀科技有限公司 | A kind of power generation molten salt energy storage system of fired power generating unit power peak regulation |
| CN113154923A (en) * | 2021-04-27 | 2021-07-23 | 中国电建集团江西装备有限公司 | Molten salt heat storage tank and manufacturing method thereof |
-
2014
- 2014-05-05 CN CN201420226276.7U patent/CN203834702U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016066874A1 (en) * | 2014-10-29 | 2016-05-06 | Abengoa Solar New Technologies, S.A. | Refractory support layer for high-temperature heat storage tanks |
| CN106759429A (en) * | 2017-03-15 | 2017-05-31 | 深圳市爱能森科技有限公司 | A kind of heat reservoir ground heat abstractor and its control method |
| CN107892103A (en) * | 2017-11-09 | 2018-04-10 | 中国成达工程有限公司 | The preheating device of large-scale storage tank bottom plate |
| CN108532584A (en) * | 2018-06-13 | 2018-09-14 | 常州索拉尔熔盐泵阀科技有限公司 | A kind of heat preservation ground for placing high-temperature liquid state substance storage tank |
| CN108534576A (en) * | 2018-06-13 | 2018-09-14 | 常州索拉尔熔盐泵阀科技有限公司 | A kind of power generation molten salt energy storage system of fired power generating unit power peak regulation |
| CN113154923A (en) * | 2021-04-27 | 2021-07-23 | 中国电建集团江西装备有限公司 | Molten salt heat storage tank and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 |