CN108871029A - Heat transfer medium overcurrent sandstone heat-storing method and its device - Google Patents
Heat transfer medium overcurrent sandstone heat-storing method and its device Download PDFInfo
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- CN108871029A CN108871029A CN201810796821.9A CN201810796821A CN108871029A CN 108871029 A CN108871029 A CN 108871029A CN 201810796821 A CN201810796821 A CN 201810796821A CN 108871029 A CN108871029 A CN 108871029A
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000009826 distribution Methods 0.000 claims abstract description 74
- 238000009825 accumulation Methods 0.000 claims abstract description 12
- 150000003839 salts Chemical class 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 18
- 241000239290 Araneae Species 0.000 claims description 17
- 238000000338 in vitro Methods 0.000 claims description 10
- 239000004576 sand Substances 0.000 claims description 9
- 230000005855 radiation Effects 0.000 claims description 6
- 239000004575 stone Substances 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 235000007164 Oryza sativa Nutrition 0.000 claims 1
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 claims 1
- 235000009566 rice Nutrition 0.000 claims 1
- 238000003860 storage Methods 0.000 abstract description 12
- 238000005338 heat storage Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 241001282153 Scopelogadus mizolepis Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention relates to a kind of heat transfer medium overcurrent sandstone heat-storing method and its devices, the heat-storing method is filled with sandstone with grade by granularity in the closed container for being built-in with porous current distribution device pipeline, the heat transfer medium of filling heat-conductive oil or fused salt in closed container, make sandstone and current distribution device pipeline in heat transfer medium, heat, heat accumulation and heat release are filled in completion.The heat-storing device has a closed container shell, the current distribution device of an aperture of arranging thereon is respectively equipped in the upper and lower part of shell, filled with sandstone and heat transfer medium is injected with grade by granularity from upper current distribution device space below in shell, through current divider, overcurrent sandstone and sandstone carry out direct heat exchange to heat transfer medium from bottom to top in work, and heat, heat accumulation and heat release are filled in completion.Technical solution of the present invention is reasonable, is related to that structure is simple, the heat transfer property of sandstone thermal storage device can be made significantly to improve, and heat accumulation project cost is greatly lowered.
Description
Technical field
The content of present invention belongs to heat-storage technology field, is related to a kind of heat transfer medium overcurrent sandstone heat-storing method and its device.
Background technique
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 there is also have following lack in practical applications for the current concrete heat-storing device well known in the art based on sandstone
Point：(-), concrete can be dehydrated in 400 DEG C or more of temperature environment work for a long time, generate heat storage structure destructive
Changing and then generating crack reduces the heat transfer property of concrete bodies, heat-transfer effect is undesirable so that air penetrates into gap；
(2), in prior-art devices and rigid structure that the pipeline of metal material is glued together due to the coefficient of expansion difference and
In the environment of long-term cold and hot variation pipeline and concrete can be detached from, make the working life of heat-storing device for the thermal stress of generation
It reduces；(3), before this, present inventor once developed a kind of sandstone heat-storage technology, uses pipe-support type heat exchanger in the technology, passes
Thermal medium and sandstone heat-storage medium are the indirect heat transfer of dividing wall type, and heat transfer property is poor；Furthermore pipe-support type heat exchange used in system
Device need to consume a large amount of metal pipe materials, and cost is higher.
Summary of the invention
It is an object of the invention to overcome disadvantages mentioned above of the existing technology, provide a kind of design scheme rationally, be easy to
It practices, good heat-transfer, the heat transfer medium that can reduce heat accumulation project cost in the case where meeting heat accumulation demand cross quicksand
Stone heat-storing method and its device.
The technical solution used for the above goal of the invention of realization is as described below.
Heat transfer medium overcurrent sandstone heat-storing method of the present invention is characterized in：Distinguish in the upper and lower part of closed container
Equipped with a current distribution device, circulation line is connected outside one end propelling container of current distribution device, the other end blocks, on the pipeline of current distribution device
Multiple apertures are distributed with, are filled with sandstone with grade by granularity in closed container, filling heat-conductive oil or fused salt in closed container
Heat transfer medium, be immersed in sandstone and current distribution device pipeline in heat transfer medium, in work heat transfer medium through current divider from bottom to top
Overcurrent sandstone and sandstone carry out direct heat exchange, and heat, heat accumulation and heat release are filled in completion.
The further scheme of the method for the invention also resides in：The coarse sand that sand in the sandstone is 1~3 millimeter of granularity,
Stone in the sandstone is gravel, and gravel granularity is 6~10 millimeters, 15~20 millimeters, 30~50 millimeters.In specific implementation,
The ore that density is big, specific heat is big can be selected, ore removes corner angle with relevant device grinding after crushing, raising filling of being vibrated in this way
Compactness.
The further scheme of the method for the invention also resides in：Heat transfer medium is conduction oil, can also be mixed in conduction oil
Graphite powder, to improve the heat transfer property of conduction oil.
There is a cuboid or cylinder for realizing the heat transfer medium overcurrent sandstone heat-storing device of the method for the invention
The closed container shell of body has been respectively charged into a upper current distribution device and a lower current distribution device in the upper and lower part of shell, described
Upper current distribution device include a upper main pipe, shell Ligation in vitro circulation line is stretched out in one end of upper main pipe, and the other end blocks, upper dry
Pipe, which is packed on the tube body of shell, is distributed with the more ribbed pipes being connected to upper main pipe, the tail end plugs of ribbed pipe, on every ribbed pipe
Multiple apertures are distributed with；The lower current distribution device includes a lower main pipe, and shell Ligation in vitro circulation pipe is stretched out in one end of lower main pipe
Road, the other end block, and the more ribbed pipes being connected to lower main pipe are distributed on the tube body that lower main pipe is packed into shell, ribbed pipe (5)
Tail end plugs are distributed with multiple apertures on every ribbed pipe, match from upper current distribution device space below by granularity in shell
Grade is filled with sandstone, and the liquid level of the heat transfer medium of filling heat-conductive oil or fused salt in shell, heat transfer medium is higher than sandstone plane not
More than 200 millimeters.
The further technical solution of device of the present invention also resides in：The heat transfer medium overcurrent sandstone heat-storing device has one
Load onto the cuboid closed container shell of current distribution device and lower current distribution device in a, the upper current distribution device include one with go out/into
Main pipe on the straight-bar of liquid mouth, upper main pipe go out/inlet end stretching shell Ligation in vitro circulation line, and the other end blocks, upper dry
Pipe is packed on the tube body of shell that vertical distribution has more ribbed pipes side by side by 70~250 millimeters of spacing, divides equally on every ribbed pipe
It is furnished with aperture of multiple apertures at 2~4 millimeters, the pitch-row between each aperture is 20~40 millimeters；The lower current distribution device includes one
Shell Ligation in vitro circulation line, the other end are stretched out in the entry/exit liquid mouth end of main pipe under a straight-bar with entry/exit liquid mouth, lower main pipe
It blocks, by 70~250 millimeters of spacing, vertical distribution has more ribbed pipes side by side on the tube body that lower main pipe is packed into shell, at every
Aperture of multiple apertures at 2~4 millimeters is distributed on ribbed pipe, the pitch-row between each aperture is 20~40 millimeters.
The further technical solution of device of the present invention also resides in：The heat transfer medium overcurrent sandstone heat-storing device has one
Load onto the cylindrical body closed container shell of current distribution device and lower current distribution device in a, the upper current distribution device include one with go out/into
Main pipe on the curved shape of liquid mouth, upper main pipe go out/inlet end stretching shell Ligation in vitro circulation line, and the other end blocks, upper dry
The lower end for managing vertical bending section is even equipped with a spider, symmetrically leads to by forms of radiation equipped with more radiation in the periphery of spider
Pipe, the annular ribbed pipe that multi-turn is communicated with each radiant tube is distributed in concentric outside spider, is distributed on every ring shape ribbed pipe
There is aperture of multiple apertures at 2~4 millimeters, the pitch-row between each aperture is 20~40 millimeters；The lower current distribution device includes one
Shell Ligation in vitro circulation line, another end seal are stretched out in the entry/exit liquid mouth end of main pipe under curved shape with entry/exit liquid mouth, lower main pipe
It is stifled, a spider even is housed in the lower end of the vertical bending section of lower main pipe, symmetrically leads to dress by forms of radiation in the periphery of spider
There are more radiant tubes, the annular ribbed pipe that multi-turn is communicated with each radiant tube is distributed in concentric outside spider, in every circle circumferential rib
Aperture of multiple apertures at 2~4 millimeters is distributed on pipe, the pitch-row between each aperture is 20~40 millimeters.
The further technical solution of device of the present invention also resides in：That shell is stretched out outside upper current distribution device goes out/inlet tube
It is upper that dirt separator is housed, it is stretched out outside lower current distribution device and booster pump is housed in the entry/exit liquid pipe of shell.
The further technical solution of device of the present invention also resides in：In the upper, middle and lower portion of hull outside respectively to shell
It inserts in interior sandstone and heat transfer medium into multiple temperature sensors.
The further technical solution of device of the present invention also resides in：Maintain 50 above upper current distribution device in shell~
150 millimeters of heat transfer medium space, maintains 30~100 millimeters of headroom above heat transfer medium space.
The further technical solution of device of the present invention also resides in：The diameter of ribbed pipe is at 25~35 millimeters on current distribution device,
2~4 millimeters of aperture is evenly distributed on ribbed pipe, the spacing of aperture is 20~40 millimeters, cylindrical body heat transfer medium overcurrent sandstone
In heat-storing device, center that ribbed pipe is distributed on radiant tube is away from being 80~140 millimeters.
Compared with prior art, the good effect that the present invention has is：
One, the present invention sets the sandstone that different grain size and proportion are filled in the closed container (shell) of current distribution device inside, makes
Sandstone body is fine and close and to have permeability.After completing sandstone filling, in shell filling heat-conductive oil or fused salt, it is immersed in sandstone
In heat transfer medium, sandstone material makees heat-storage medium, and conduction oil or fused salt are as a heat transfer medium.In work, heat transfer medium is through shunting
Device overcurrent sand stone layer forces thermodynamic cycle, and heat transfer medium overcurrent and sandstone from the gap of sandstone carry out direct heat exchange, complete
Heat, heat accumulation, exothermic process are filled, this mode can make heat transfer medium, and even flow field is distributed at work, is avoided dead angle, is enhanced
It exchanges heat and simplifies thermal storage device structure, the heat transfer property of sandstone thermal storage device can be made significantly to improve, improve thermal storage device efficiency.
Two, the pipe-support type heat exchanger that the prior art is continued to use is eliminated in device of the present invention, greatly reduces thermal storage device
Metal consumption, the sandstone material furthermore used is cheap and easy to get, low cost, these all considerably reduce heat accumulation engineering cost.
Detailed description of the invention
Fig. 1 is a specific embodiment --- the structural representation of cuboid heat transfer medium overcurrent sandstone heat-storing device of the invention
Figure.
Fig. 2 is the schematic diagram of heat transfer medium overcurrent sandstone heat-storing device external connection mechanism.
Fig. 3 is that the vertical view of upper current distribution device or lower current distribution device is shown to structure in cuboid heat transfer medium overcurrent sandstone heat-storing device
It is intended to.
Fig. 4 is that the side view of upper current distribution device or lower current distribution device in cylindrical body heat transfer medium overcurrent sandstone heat-storing device is shown to structure
It is intended to.
Fig. 5 is the vertical view of current distribution device shown in Fig. 4 to structural schematic diagram.
The title of each number designation is respectively in figure：1- heat transfer medium space, 2- temperature sensor, 3- sandstone, 4-
Upper main pipe, 5- ribbed pipe, 6- shell, 7- aperture, main pipe under 8-, 9- dirt separator, 11- booster pump, 12- radiant tube, 13-
Spider.
Specific embodiment
The content of present invention is described further below.
Referring to attached drawing, heat transfer medium overcurrent sandstone heat-storing method of the present invention is：In rectangular or cylindrical closed container
Upper and lower part be respectively charged into a current distribution device, circulation line is connected outside one end propelling container of current distribution device, the other end blocks,
Multiple apertures are distributed on the pipeline of current distribution device；It is filled with by granularity with grade in the closed container for being built-in with current distribution device pipeline
Sandstone keeps sandstone body fine and close and to have permeability, the heat transfer medium of filling heat-conductive oil or fused salt in shell, make sandstone and
Current distribution device pipeline is in heat transfer medium, and the liquid level of heat transfer medium is higher than sandstone plane within 200 millimeters, heat transfer medium in work
It is flowed up by the current divider of thermal storage device bottom through sandstone gap when filling heat, mesolimnion is not present when filling heat, is only stopping
Only fill after heat and just gradually form mesolimnion, the cold medium that when heat release flows back is also to permeate from bottom to top, at this moment mesolimnion gradually to
Thus upper movement is completed to fill heat, heat accumulation and heat release.
The structure of heat transfer medium overcurrent sandstone heat-storing device of the present invention can be found in shown in attached drawing 1.It is close with one
Container casing 6 is closed, has been respectively charged into a upper current distribution device and a lower current distribution device in the upper and lower part of shell 6, wherein upper cloth
Stream device includes one with out/inlet upper main pipe 4, and shell Ligation in vitro circulation line, the other end are stretched out in one end of upper main pipe 4
It blocks, the more ribbed pipes 5 being connected to upper main pipe 4, the end envelope of ribbed pipe 5 is distributed on the tube body that upper main pipe 4 is packed into shell 6
It is stifled, multiple apertures 7 are distributed on every ribbed pipe 5；The structure of lower current distribution device is identical as upper current distribution device, it includes one and has
Shell Ligation in vitro circulation line is stretched out in the lower main pipe 8 of entry/exit liquid mouth, one end of lower main pipe 8, and the other end blocks, and fills in lower main pipe 8
Enter to be distributed with the more ribbed pipes 5 being connected to lower main pipe 8 on the tube body of shell 6, the tail end plugs of ribbed pipe 5 are equal on every ribbed pipe 5
Multiple apertures 7 are distributed with, are filled with sandstone 3, the filling heat-conductive in shell 6 from upper current distribution device space below in shell 6
The heat transfer medium of oil or fused salt, the liquid level of heat transfer medium are higher than sandstone plane within 200 millimeters.In specific implementation application, sand
In sand to choose granularity be 1~3 millimeter of coarse sand, stone is generally gravel, and gravel granularity is 6~10 millimeters, 15~20 millimeters, 30
~50 millimeters, the ore that density is big, specific heat is big also can be selected, have edges and corners after ore reduction, removes edges and corners with equipment grinding, this
Sample is conducive to stone sand and improves volume density with tamping after grade；When making heat transfer medium using conduction oil, graphite powder can be mixed to improve
The heat transfer property of conduction oil, using fused salt as a heat transfer medium high-temperature heat-storage when, shell and current distribution device pipeline etc. should all be using not
The steel that becomes rusty makes.The diameter of main pipe (4 or 8) is depending on the load of thermal storage device in the present invention, an end closure point for main pipe (4 or 8)
In thermal storage device, the other end stretches out outside thermal storage device shell and equipped with flange and outer loop piping connection cloth.
The specific example of making of the present invention mainly includes that cuboid heat transfer medium overcurrent sandstone heat-storing device and cylindrical body pass
Two kinds of heat-storing device of thermal medium overcurrent sandstone.Wherein cuboid heat transfer medium overcurrent sandstone heat-storing device has a built-in such as figure
The cuboid closed container shell of current distribution device structure shown in 1 and 3, cylindrical body heat transfer medium overcurrent sandstone heat-storing device have one
The cylindrical body closed container shell of the built-in structure of current distribution device as illustrated in figures 4-5.
In cuboid heat transfer medium overcurrent sandstone heat-storing device structure such as Fig. 1 of loaded onto current distribution device (or lower current distribution device) and
Shown in Fig. 3, it includes one with main pipe 4 (or lower main pipe 8) on out/inlet straight-bar, in upper main pipe 4 (or lower main pipe 8)
It is packed on the tube body of shell 6 that vertical distribution has ribbed pipe of the more diameters at 25~35 millimeters side by side by 70~250 millimeters of spacing
5, multiple 2~4 millimeters of apertures 7 are distributed on every ribbed pipe 5, the pitch-row between each aperture 7 is 20~40 millimeters.
Structure such as Fig. 4-5 of loaded onto current distribution device (or lower current distribution device) in cylindrical body heat transfer medium overcurrent sandstone heat-storing device
Shown, it includes one with main pipe 4 (or lower main pipe 8) on the unidirectionally curved shape of out/inlet, in upper main pipe 4 (or lower main pipe 8)
The lower end of vertical bending section is even equipped with a spider 13, symmetrically leads in the periphery of spider 13 by symmetric form and more spokes are housed
Pipe 12 is penetrated, the annular ribbed pipe 5 that multi-turn is communicated with each radiant tube 12 is distributed in the outer concentric of spider 13, ribbed pipe is on radiant tube
Away from being 80~140 millimeters, ribbed pipe diameter is distributed with multiple at 25~35 millimeters on every ring shape ribbed pipe 5 at the center of distribution
Aperture 7 of the aperture at 2~4 millimeters, the pitch-row between each aperture 7 are 20~40 millimeters.In addition it can also be distributed on spider 13 small
Hole, the purpose being arranged in this way are the even flow fields made heat transfer medium at work and avoid dead zone, improving heat accumulation effect.
In specific structure of the present invention, the upper, middle and lower portion on the outside of shell 6 is respectively to the intracorporal sandstone of shell and heat transfer medium
In insert into multiple temperature sensors 2.The top of upper current distribution device 4 maintains 50~150 millimeters of heat transfer medium sky in shell 6
Between, 30~100 millimeters of headroom is maintained in the top in heat transfer medium space 1, when making heat transfer medium using conduction oil, is being stored up
Inflated with nitrogen in the headroom on hot device top, to avoid conduction oil oxidation deterioration.
Since sandstone is in long-term cold and hot frequently alternate environment, surface layer can change and isolate solid particulate matter,
It is stretched out outside upper current distribution device 4 on the pipeline of the entry/exit liquid pipe of shell 6 thus and dirt separator 9 (referring to fig. 2) is housed, to remove heat transfer
Impurity in medium avoids the pump to heat-storing device, valve etc. from causing to damage.In addition outside lower current distribution device 8 stretch out shell 6 into/
Booster pump 11 (referring to fig. 2) is housed on the pipeline of outlet tube.
In specific structure of the present invention, cylindrical design is can be used in the thermal storage device of the big scale of construction, can reduce production cost and heat accumulation
Device surface radiating area；Thermal storage device lower part sets the protection support lattice of intercommunication, grid upper berth orifice plate and wire mesh and pipeline, and top is only
Spread orifice plate silk screen and pipeline；Thermal storage device pipeline etc. is equipped with insulating layer, to reduce radiation loss.
Claims (8)
1. a kind of heat transfer medium overcurrent sandstone heat-storing method, it is characterised in that：It is respectively equipped in the upper and lower part of closed container
One current distribution device, one end propelling container of current distribution device connect circulation line outside, and the other end is blocked, is distributed on the pipeline of current distribution device
There are multiple apertures, is filled with sandstone with grade by granularity in closed container, the biography of filling heat-conductive oil or fused salt in closed container
Thermal medium is immersed in sandstone and current distribution device pipeline in heat transfer medium, and heat transfer medium is through current divider overcurrent from bottom to top in work
Sandstone and sandstone carry out direct heat exchange, and heat, heat accumulation and heat release are filled in completion.
2. heat transfer medium overcurrent sandstone heat-storing method according to claim 1, the sand in the sandstone is 1~3 milli of granularity
The coarse sand of rice, the stone in sandstone are gravel, and gravel granularity is 6~10 millimeters, 15~20 millimeters, 30~50 millimeters.
3. heat transfer medium overcurrent sandstone heat-storing method according to claim 1, it is characterised in that：Heat transfer medium is conduction oil
Or the conduction oil of graphite powder is mixed in it.
4. a kind of heat transfer medium overcurrent sandstone heat-storing device, it is characterised in that：Closed appearance with a cuboid or cylindrical body
Device shell (6) has been respectively charged into a upper current distribution device and a lower current distribution device in the upper and lower part of shell (6), and described is upper
Current distribution device includes one upper main pipe (4), and shell Ligation in vitro circulation line is stretched out in one end of upper main pipe (4), and the other end blocks, upper
Main pipe (4), which is packed on the tube body of shell (6), is distributed with the more ribbed pipes (5) being connected to upper main pipe (4), the end envelope of ribbed pipe (5)
It is stifled, multiple apertures (7) are distributed on every ribbed pipe (5)；The lower current distribution device includes a lower main pipe (8), lower main pipe
(8) shell Ligation in vitro circulation line is stretched out in one end, and the other end blocks, and is distributed on the tube body that lower main pipe (8) are packed into shell (6)
There are the more ribbed pipes (5) being connected to lower main pipe (8), the tail end plugs of ribbed pipe (5) are distributed with multiple on every ribbed pipe (5)
Aperture (7) is filled with sandstone (3) with grade by granularity from upper current distribution device space below in shell (6), in shell (6)
The heat transfer medium of filling heat-conductive oil or fused salt, the liquid level of heat transfer medium are higher than sandstone plane and are no more than 200 millimeters.
5. heat transfer medium overcurrent sandstone heat-storing device according to claim 4, it is characterised in that：With loading onto cloth in one
The cuboid closed container shell (6) of device and lower current distribution device is flowed, the upper current distribution device includes one straight with out/inlet
Main pipe (4) on bar, out/inlet end of upper main pipe (4) stretch out shell (6) and connect circulation line outside, and the other end blocks, upper dry
It manages (4) and is packed on the tube body of shell (6) that vertical distribution has more ribbed pipes (5) side by side by 70~250 millimeters of spacing, in every rib
It is distributed with aperture (7) of multiple apertures at 2~4 millimeters on pipe (5), the pitch-row between each aperture is 20~40 millimeters；Described
Lower current distribution device includes main pipe (8) under the straight-bar with entry/exit liquid mouth, and shell is stretched out at the entry/exit liquid mouth end of lower main pipe (8)
(6) circulation line is connected outside, and the other end blocks, by between 70~250 millimeters on the tube body that lower main pipe (8) are packed into shell (6)
There are more ribbed pipes (5) away from vertical distribution side by side, aperture of multiple apertures at 2~4 millimeters is distributed on every ribbed pipe (5)
(7), the pitch-row between each aperture is 20~40 millimeters.
6. heat transfer medium overcurrent sandstone heat-storing device according to claim 4, it is characterised in that：With loading onto cloth in one
The cylindrical body closed container shell (6) of device and lower current distribution device is flowed, the upper current distribution device includes one curved with out/inlet
Main pipe (4) on shape, out/inlet end of upper main pipe (4) stretch out shell (6) and connect circulation line outside, and the other end blocks, upper dry
The lower end of the vertical bending section of pipe (4) is even equipped with a spider (13), symmetrically leads in the periphery of spider (13) by forms of radiation
Equipped with more radiant tubes (12), the annular ribbed pipe that multi-turn is communicated with each radiant tube (12) is distributed in spider (13) outer concentric
(5), aperture (7) of multiple apertures at 2~4 millimeters is distributed on every ring shape ribbed pipe (5), the pitch-row between each aperture is 20
~40 millimeters；The lower current distribution device includes main pipe (8) under the curved shape with entry/exit liquid mouth, the entry/exit of lower main pipe (8)
Liquid mouth end stretches out shell (6) and connects circulation line outside, and the other end blocks, and is even equipped in the lower end of the vertical bending section of lower main pipe (8)
One spider (13) is symmetrically led to by forms of radiation in the periphery of spider (13) and more radiant tubes (12) is housed, in spider
(13) the annular ribbed pipe (5) that multi-turn is communicated with each radiant tube (12) is distributed in outer concentric, divides equally on every ring shape ribbed pipe (5)
It is furnished with aperture (7) of multiple apertures at 2~4 millimeters, the pitch-row between each aperture is 20~40 millimeters.
7. according to heat transfer medium overcurrent sandstone heat-storing device described in claim 4 or 5 or 6, it is characterised in that：In upper current distribution device
(4) it stretches out outside on the out/inlet tube of shell (6) and dirt separator (9) is housed, stretch out the entry/exit of shell (6) outside in lower current distribution device (8)
Booster pump (11) are housed in liquid pipe.
8. heat transfer medium overcurrent sandstone heat-storing device according to claim 4, it is characterised in that：The upper cloth in shell (6)
The heat transfer medium space (1) that 50~150 millimeters are maintained above stream device (4), maintains above heat transfer medium space (1)
30~100 millimeters of headroom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810796821.9A CN108871029A (en) | 2018-07-19 | 2018-07-19 | Heat transfer medium overcurrent sandstone heat-storing method and its device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810796821.9A CN108871029A (en) | 2018-07-19 | 2018-07-19 | Heat transfer medium overcurrent sandstone heat-storing method and its device |
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| Publication Number | Publication Date |
|---|---|
| CN108871029A true CN108871029A (en) | 2018-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810796821.9A Pending CN108871029A (en) | 2018-07-19 | 2018-07-19 | Heat transfer medium overcurrent sandstone heat-storing method and its device |
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| Country | Link |
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| CN (1) | CN108871029A (en) |
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