CN207936817U - Impregnate sandstone heat-storing device - Google Patents
Impregnate sandstone heat-storing device Download PDFInfo
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- CN207936817U CN207936817U CN201721743199.2U CN201721743199U CN207936817U CN 207936817 U CN207936817 U CN 207936817U CN 201721743199 U CN201721743199 U CN 201721743199U CN 207936817 U CN207936817 U CN 207936817U
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- heat
- sandstone
- closed container
- pipe
- dipping
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The utility model is related to a kind of dipping sandstone heat-storing devices, its heat-storing method is filled with sandstone in the closed container heat reservoir for being built-in with pipe-support type heat exchanger tube, filling heat-conductive oil or fused salt, make sandstone and pipe-support type heat exchanger tube be immersed in conduction oil or fused salt in gap between sandstone.There are one the closed containers for carrying insulating layer for the heat-storing device tool, equipped with pipe-support type heat exchanger and filled with sandstone in closed container, steeping medium is injected in gap between sandstone, there are one nitrogen cylinders in closed container peripheral hardware, and the outlet of nitrogen cylinder is passed through through nitrogen tube in closed container.The utility model can be such that the heat transfer property of thermal storage device significantly improves using dipping aggregate structure, reduce the power of heat transfer pipe is distributed in thermal storage device density and delivery pump.The utility model design scheme is reasonable, application easy to implement, and heat accumulation project cost can be greatly lowered in the case where meeting heat accumulation demand.
Description
Technical field
The utility model belongs to heat-storage technology field, is related to a kind of dipping sandstone heat-storing device.
Background technology
It is always the pursuit of relevant technical worker as heat accumulating using sandstone cheap and easy to get in heat-storage technology field
Target.But traditional using sandstone as heat accumulation material of main part, cement gelling material is integrated sandstone, heat transfer medium pipeline solidification
Concrete heat accumulation equipment and heat-storing method, which exist, to be had the disadvantage that：(1), the concrete of cement cementitious formation for a long time 400 DEG C with
It is easy to happen dehydration at a high temperature of upper, concrete structure is allowed to and generates destructive structure variation and the pipeline disengaging of metal material,
So that air can enter gap, the heat transfer property for being allowed to concrete is greatly lowered；(2) and the pipeline of metal material be glued to-
The rigid heat storage structure risen can also make metal since the difference of the coefficient of expansion generates thermal stress in the environment of long-term hot and cold alternation
The pipeline and concrete of material are detached from, and destroy overall structure, make the reduction of conventional concrete heat accumulation equipment working life.
Utility model content
The purpose of the utility model is to overcome existing using sandstone as heat accumulation material of main part, cement cementitious sand-stone concrete
The above problem existing for heat-storage technology provides a kind of dipping sandstone heat-storing device.The embodiment of the utility model is reasonable, easy to implement
Using heat accumulation project cost can be greatly lowered in the case where meeting heat accumulation demand.
To realize that the technical solution that the above goal of the invention uses is as described below.
A kind of dipping sandstone heat-storing method, it is characterized in that in the closed container heat accumulation system for being built-in with pipe-support type heat exchanger tube
Filled with sandstone in system, filling heat-conductive oil or fused salt in the gap between sandstone make sandstone and pipe-support type heat exchanger tube impregnate
In conduction oil or fused salt.
Dipping sandstone heat-storing method described in the utility model is divided into medium temperature heat accumulation and high-temperature heat-storage.Medium temperature heat accumulation steeping medium
Be conduction oil with heat transfer medium, 400 DEG C of heat accumulations below requirements can be used in, disclosure satisfy that general industry field, waste heat recovery,
The heat utilization of solar energy medium temperature, trough-electricity heat accumulation etc. heat accumulation.High-temperature heat-storage steeping medium and heat transfer medium are fused salt, are applicable in
In 500 DEG C or more of heat accumulation requirement, can meet thermal power generation especially can meet the requirement of solar energy thermal-power-generating high-temperature heat-storage.
The further technical solution of method described in the utility model also resides in：The sandstone be use granularity for 10mm~
The rubble and medium-fine sand of 45mm.
The further technical solution of method described in the utility model also resides in：The sandstone be screening density it is larger and ratio
The preferable diabase of hot property, basalt, granite or cobble.
Have there are one the closed container for carrying insulating layer for realizing the dipping sandstone heat-storing device of the utility model method,
It is respectively equipped with liquid back pipe and outlet tube in the lower part at closed container one side wall end and top, is set in the lower part of the closed container other side
There is excretory duct, equipped with pipe-support type heat exchanger and filled with sandstone in closed container, the pipe-support type heat exchanger is more by multilayer
Circulating heat transfer fluid media (medium) pipeline composition is arranged, the both ends of pipe-support type heat exchanger are communicated with liquid back pipe and outlet tube respectively, in sandstone
Between gap in inject steeping medium, be equipped with liquid injection pipe on closed container top, in closed container peripheral hardware there are one nitrogen cylinder, nitrogen
Through nitrogen tube, portion is passed through in closed container from container for the outlet of gas cylinder.
In above-mentioned dipping sandstone heat-storing device, the sandstone is to use granularity thin in for the rubble of 10mm~45mm
Sand.
In above-mentioned dipping sandstone heat-storing device, the sandstone is that screening density is larger green with the brightness of specific heat better performances
Rock, basalt, granite or cobble.
In above-mentioned dipping sandstone heat-storing device, the steeping medium is conduction oil or fused salt.
In above-mentioned dipping sandstone heat-storing device, the steeping medium is conduction oil or the heat conduction that graphite powder is mixed in it
Oil.
In above-mentioned dipping sandstone heat-storing device, fin structure can be used in heat transfer fluid medium pipeline, and spacing of fin is with 50mm
It is advisable, to enhance heat transfer property.
Compared with prior art, the good effect that the utility model has is：
One, the utility model can be such that the heat transfer property of thermal storage device significantly improves using dipping aggregate structure, reduce heat accumulation
The power for the density and delivery pump that heat transfer pipe is distributed in device；
Two, the utility model is immersed in as heat accumulating in steeping medium with sandstone material, and heat transfer pipe can in sandstone
Freely stretching reduces thermal stress, has and utilizes the service life for extending equipment；
Three, the making of the utility model is simple in structure, heat accumulating is cheap and easy to get, low cost, and application easy to implement can expire
Heat accumulation engineering cost is greatly lowered in the case of sufficient heat accumulation demand.
Description of the drawings
Fig. 1 is the structural schematic diagram of one specific embodiment of the utility model.
Each number designation title is respectively in figure：1- liquid back pipes, 2- closed containers, 3- outlet tubes, 4- nitrogen cylinders,
5- nitrogen tubes, 6- liquid level gauges, 7- sandstones, 8- pipe-support type heat exchangers, 9- steeping mediums, 10- liquid injection pipes, 11- heat preservations
Layer, 12- excretory ducts.
Specific implementation mode
Dipping sandstone heat-storing method described in the utility model is：It is equipped in the closed container of closed container heat reservoir
Pipe-support type heat exchanger, and fill sandstone, is then injected into steeping medium, so that steeping medium liquid level is higher by sandstone and fills between sandstone
Subtle gap improves sandstone thermal storage performance, can thus reduce the density that fluid line is distributed in thermal storage device, reduces pipe
Road resistance reduces circulating pump aerodynamic power, the cost of heat accumulation engineering is made to lower.Dipping sandstone heat accumulation side described in the utility model
Method is divided into medium temperature heat accumulation and high-temperature heat-storage.Medium temperature heat accumulation steeping medium and heat transfer medium are conduction oil, can be used in 400 DEG C or less
Heat accumulation requirement, disclosure satisfy that general industry field, waste heat recovery, the heat utilization of solar energy medium temperature, trough-electricity heat accumulation etc. store up
Heat.High-temperature heat-storage steeping medium and heat transfer medium are fused salt, suitable for 500 DEG C or more of heat accumulation requirement, can meet firepower hair
Electricity can especially meet the requirement of solar energy thermal-power-generating high-temperature heat-storage.
The structure of dipping sandstone heat-storing device described in the utility model is as shown in Figure 1.It has sets insulating layer 11 there are one wall
Closed container 2 and a nitrogen cylinder (or small-sized nitrogen charger) 4 being built in outside closed container 2, at 2 one side wall end of closed container
Lower part and top be respectively equipped with liquid back pipe 1 and outlet tube 3,2 other side of closed container lower part be equipped be used for be discharged it is rotten
Maceration extract excretory duct 12, the top of closed container 2 be equipped with liquid injection pipe 10 and liquid level gauge 6.In closed container 2 equipped with by
The pipe-support type heat exchanger 8 of multi-layer multi-row circulating heat transfer fluid media (medium) pipeline composition, pipe material can be steel, aluminium.
It is also filled in closed container 2 by the rubble that granularity is 10mm~45mm and the sandstone 7 that medium-fine sand is constituted, the gap between sandstone
It is middle to inject the heat accumulation steeping medium 9 being made of conduction oil or fused salt, so that the pipeline of sandstone 7 and pipe-support type heat exchanger 8 is immersed in and leads
In deep fat or fused salt.In specific implementation, medium temperature heat accumulation steeping medium and heat transfer medium are conduction oil, can be used in 400 DEG C or less
Heat accumulation requirement, the excellent graphite powder of heat transfer property can be separately mixed in conduction oil, to improve the heat transfer property of heat accumulating；
High-temperature heat-storage steeping medium and heat transfer medium are fused salt, suitable for 500 DEG C or more of heat accumulation requirement.Medium temperature heat accumulation steeping medium
It is conduction oil with heat transfer medium, it is necessary to use nitrogen protection measure, prevent conduction oil oxidation deterioration and charing rotten；Nitrogen cylinder
4 are connected to by nitrogen tube 5 with the top of closed container 2.After fused salt is heats liquefied from liquid injection pipe 10 inject, using it is corrosion resistant not
Become rusty steel conduit, and corresponding heat accumulation ontology material is also corrosion-resistant stainless steel.
Dipping sandstone heat-storing device described in the utility model is if using fused salt not needed then for the device of steeping medium
Nitrogen protection can not set nitrogen cylinder and nitrogen tube.
Dipping sandstone heat-storing method and its device described in the utility model, can be fabricated to heat storage units module, according to
Heat accumulation demand forms the big system of heat accumulation.
Claims (5)
1. a kind of dipping sandstone heat-storing device, it is characterised in that：The closed container (2) that insulating layer (11) is carried there are one having,
The lower part and top at closed container (2) one side wall end are respectively equipped with liquid back pipe (1) and outlet tube (3), another in closed container (2)
The lower part of side is equipped with excretory duct (12), described equipped with pipe-support type heat exchanger (8) and filled with sandstone (7) in closed container (2)
Pipe-support type heat exchanger (8) be made of multi-layer multi-row circulating heat transfer fluid media (medium) pipeline, the both ends of pipe-support type heat exchanger (8) difference
It is communicated with liquid back pipe (1) and outlet tube (3), steeping medium (9) is injected in the gap between sandstone, on closed container (2) top
Equipped with liquid injection pipe (10), in closed container (2) peripheral hardware there are one nitrogen cylinder (4), the outlet of nitrogen cylinder (4) is logical through nitrogen tube (5)
Enter in closed container (2).
2. dipping sandstone heat-storing device according to claim 1, it is characterised in that：The sandstone (7) is using granularity
For the rubble and medium-fine sand of 10mm~45mm.
3. dipping sandstone heat-storing device according to claim 1 or 2, it is characterised in that：The sandstone (7) is that brightness is green
Rock, basalt, granite or cobble.
4. dipping sandstone heat-storing device according to claim 3, it is characterised in that：The steeping medium (9) is heat conduction
Oil or fused salt.
5. dipping sandstone heat-storing device according to claim 1 or 4, it is characterised in that：The steeping medium (9) is to lead
Deep fat or the conduction oil that graphite powder is mixed in it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721743199.2U CN207936817U (en) | 2017-12-14 | 2017-12-14 | Impregnate sandstone heat-storing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721743199.2U CN207936817U (en) | 2017-12-14 | 2017-12-14 | Impregnate sandstone heat-storing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207936817U true CN207936817U (en) | 2018-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721743199.2U Active CN207936817U (en) | 2017-12-14 | 2017-12-14 | Impregnate sandstone heat-storing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151566A (en) * | 2017-12-14 | 2018-06-12 | 西安中原机械有限公司 | Impregnate sandstone heat-storing method and its device |
-
2017
- 2017-12-14 CN CN201721743199.2U patent/CN207936817U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151566A (en) * | 2017-12-14 | 2018-06-12 | 西安中原机械有限公司 | Impregnate sandstone heat-storing method and its device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 710000 Caotang Industrial Park, Fuyi District, Xi'an City, Shaanxi Province Patentee after: XI'AN ZHONG YUAN MECHANICAL Co.,Ltd. Address before: 710311 Industrial Zone, thatched Town, Huyi Town, Xi'an, Shaanxi Patentee before: XI'AN ZHONG YUAN MECHANICAL Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |