CN112985138A - Three-dimensional deformation pipe heat accumulator - Google Patents
Three-dimensional deformation pipe heat accumulator Download PDFInfo
- Publication number
- CN112985138A CN112985138A CN201911310923.6A CN201911310923A CN112985138A CN 112985138 A CN112985138 A CN 112985138A CN 201911310923 A CN201911310923 A CN 201911310923A CN 112985138 A CN112985138 A CN 112985138A
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- Prior art keywords
- dimensional deformation
- heat accumulator
- pipe
- deformation pipe
- heat
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- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 4
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 230000001413 cellular effect Effects 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 7
- 239000000428 dust Substances 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000035939 shock Effects 0.000 abstract description 4
- 238000009825 accumulation Methods 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009851 ferrous metallurgy Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009856 non-ferrous metallurgy Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
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
- F28D20/0056—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using solid heat storage material
-
- 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)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention provides a three-dimensional deformation pipe heat accumulator, and belongs to the technical field of combustion heat accumulation and exchange equipment. The spiral three-dimensional deformation pipe can generate a flow velocity which is higher than that of the existing hexagonal straight-through pipe and reduce the resistance of the same wind, so that a fan with lower power can be selected under the same requirement to reduce energy consumption, meanwhile, because of the increase of the flow velocity, the pipeline is not easy to accumulate dust, the heat exchange efficiency is greatly improved, and the spiral three-dimensional deformation pipe also has stable thermal shock resistance, and can ensure that the stability of the material is kept when the material bears severe temperature change.
Description
Technical Field
The invention relates to a three-dimensional deformation pipe heat accumulator, and belongs to the technical field of combustion heat accumulation and exchange equipment.
Background
The regenerative combustion technology is an energy-saving environment-friendly novel combustion technology which is widely applied to industrial furnaces in the industries of ferrous metallurgy, machinery, petrifaction, building materials, nonferrous metallurgy and the like at present. The heat accumulator is an intermediate carrier for completing the recycling of the flue gas waste heat of the heat accumulating type combustor, periodically stores and releases heat, transfers the heat of high-temperature flue gas to normal-temperature combustion air or coal gas, realizes the recycling of the flue gas waste heat and the preheating of the combustion air or the coal gas, and achieves the purposes of energy conservation and environmental protection.
The honeycomb ceramic heat accumulator is widely used in the energy-saving technology of industrial thermal equipment, so that the efficiency of the industrial thermal equipment is improved, the energy consumption is reduced, the yield is improved, the quality is improved, and the honeycomb ceramic heat accumulator is an important and effective means for solving the energy and environmental problems. The honeycomb ceramic heat accumulator cross-section hole mainly has two hole structures of square and regular hexagon, and the pore channel is a straight channel structure which is parallel to each other. The structure greatly reduces the resistance of air holes flowing through and greatly improves the heat exchange efficiency of the heat accumulator with single-hole volume.
The honeycomb ceramic heat accumulator has the characteristics of low thermal expansion, large specific heat capacity, large specific surface area, small pressure drop, small thermal resistance, good heat conduction performance, good thermal shock resistance and the like; the heat accumulating type high-temperature combustion technology (HTAC) is widely applied to the metallurgical machinery industry, organically combines the technologies of recovering flue gas waste heat, efficiently combusting, reducing NOX emission and the like, and further achieves the purpose of extremely saving energy and reducing the NOX emission.
The main application range is as follows: steel plants, garbage incinerators, waste gas treatment thermal equipment, chemical plants, smelting plants, power industry boilers, gas turbines, engineering heating equipment, ethylene cracking furnaces and the like.
The honeycomb heat exchange brick of through heat transfer that is usually used by regular hexagon in the existing market, the wind resistance when leading to the air inlet is great for traditional hexagon through structure, consequently the great fan of power that needs chooseed for use, the electric energy loss is big, seems the easy deposition of hexagon mouth of pipe simultaneously and blocks up according to the use scene, greatly reduced heat exchange efficiency.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a three-dimensional deformation pipe heat accumulator which is used for solving the problems that a straight-through heat exchange honeycomb heat exchange brick integrated by a regular hexagon is commonly used in the market in the prior art, the traditional hexagonal straight-through structure causes large wind resistance during air inlet, a fan with large power needs to be selected, the electric energy loss is large, and meanwhile, the hexagonal pipe orifice is easy to deposit dust and block according to the use field, so that the heat exchange efficiency is greatly reduced.
To achieve the above and other related objects, the present invention provides a three-dimensional deformed tube heat accumulator comprising: the three-dimensional deformation pipe is uniformly arranged inside the heat accumulator shell in a honeycomb mode, the three-dimensional deformation pipe is provided with a plurality of pipes, and the three-dimensional deformation pipe is a spiral flat pipeline.
By adopting the technical scheme: when the fluid gets into the inside three-dimensional deformation intraduct of heat accumulator casing, the fluid is because the effect that receives the centrifugal force, demonstrate the axial rotation flow state, pipe center department is mild relatively, be close to the pipe wall more, the fluid is rotatory more, thereby the mixing between boundary layer and main fluid particle has been strengthened, reach the effect of intensive heat transfer, produce the velocity of flow that is bigger than current hexagon through type pipe simultaneously, reduce the resistance of equal wind, and because the promotion of velocity of flow, make the pipeline be difficult for long-pending dust, and then improved the efficiency of heat transfer greatly.
In an embodiment of the invention, the heat accumulator housing is a rectangular parallelepiped.
By adopting the technical scheme: the heat accumulator shell is arranged to be a cuboid, so that the heat accumulator shell is convenient to produce, carry, install and use.
In an embodiment of the invention, the heat accumulator housing is made of one of silicon carbide and aluminum oxide.
By adopting the technical scheme: the heat accumulator shell is made of one of silicon carbide and aluminum oxide, so that the heat exchange performance and the fire resistance of the heat accumulator shell are improved, and the service life of the heat accumulator shell is prolonged.
In an embodiment of the invention, the spiral direction of the three-dimensional deformation pipe is a counterclockwise direction.
In an embodiment of the invention, the heat accumulator housing is made by casting.
In an embodiment of the invention, the three-dimensional deformation pipe is formed inside the heat accumulator shell by using a mold forming method.
As described above, the three-dimensional deformation pipe heat accumulator of the invention has the following beneficial effects:
the invention adopts the structure of the spiral three-dimensional deformation pipe, the spiral three-dimensional deformation pipe is adopted as a heat exchange element to achieve the double purposes of self-supporting and heat transfer enhancement of the pipe bundle, compared with a smooth straight-through pipe, the three-dimensional deformation pipe can enhance laminar flow heat exchange, the increase of flow resistance is smaller, fluid in the spiral three-dimensional deformation pipe presents an axial rotating flow state under the action of centrifugal force, the center of the pipe is relatively gentle, the fluid rotates more and more close to the pipe wall, thereby enhancing the mixing between a boundary layer and main fluid particles, achieving the effect of heat transfer enhancement, the spiral three-dimensional deformation pipe can generate higher flow velocity than the existing hexagonal straight-through pipe, reducing the resistance of the same wind, therefore, a fan with lower power can be selected under the same requirement, the energy consumption is reduced, meanwhile, the pipeline is not easy to accumulate dust due to the improvement of the flow velocity, and it also has stable thermal shock resistance, and can make the material maintain its stability when it is subjected to severe temperature changes.
Drawings
FIG. 1 is a schematic diagram showing the overall structure of a three-dimensional deformation pipe heat accumulator in the embodiment of the invention.
FIG. 2 is a schematic structural diagram of a three-dimensional deformation pipe heat accumulator according to an embodiment of the present invention.
FIG. 3 is a schematic diagram showing the internal structure of a three-dimensional deformation pipe heat accumulator in the embodiment of the invention.
FIG. 4 is a schematic front view of a three-dimensional deformation pipe of the heat accumulator of the present invention.
FIG. 5 is a schematic side sectional view of a three-dimensional deformed tube of a heat accumulator according to an embodiment of the present invention.
FIG. 6 is a schematic three-dimensional structure diagram of a three-dimensional deformed tube heat accumulator according to an embodiment of the present invention.
Wherein, 1, three-dimensional deformation pipe; 2. and a heat accumulator shell.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1 to 6. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Referring to fig. 1, the present invention provides a three-dimensional deformation tube heat accumulator, including: heat accumulator casing 2 and three-dimensional deformation pipe 1, three-dimensional deformation pipe 1 be cellular even setting inside heat accumulator casing 2, three-dimensional deformation pipe 1 is provided with the plural root, three-dimensional deformation pipe 1 is the heliciform flat pipeline.
The heat accumulator shell 2 is a cuboid.
The heat accumulator shell 2 is made of one of silicon carbide or aluminum oxide.
The spiral direction of the three-dimensional deformation pipe 1 is anticlockwise.
The heat accumulator shell 2 is made by adopting a casting mode.
The three-dimensional deformation pipeline 1 is molded inside the heat accumulator shell 2 in a mold molding mode.
In conclusion, the invention adopts the structure of the spiral three-dimensional deformation pipe, the spiral three-dimensional deformation pipe is used as a heat exchange element to achieve the double purposes of self-supporting of the pipe bundle and enhanced heat transfer, compared with a smooth straight-through pipe, the three-dimensional deformation pipe can enhance laminar flow heat exchange, the increase of the flow resistance is small, fluid in the spiral three-dimensional deformation pipe presents an axial rotating flow state under the action of centrifugal force, the center of the pipe is relatively gentle, the fluid rotates more and more when the pipe is closer to the pipe wall, the mixing between a boundary layer and main fluid particles is enhanced, the effect of enhanced heat transfer is achieved, the spiral three-dimensional deformation pipe can generate higher flow velocity than the existing hexagonal straight-through pipe, the resistance of equal wind is reduced, a fan with lower power can be selected under the same requirement, the energy consumption is reduced, and meanwhile, the dust is not easy, and the heat exchange efficiency is greatly improved, and the material has stable thermal shock resistance, so that the material can keep the stability when bearing severe temperature change. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. A three-dimensional deformation pipe heat accumulator, characterized in that, the three-dimensional deformation pipe heat accumulator includes: heat accumulator casing (2) and three-dimensional deformation pipe (1), three-dimensional deformation pipe (1) be cellular even setting inside heat accumulator casing (2), three-dimensional deformation pipe (1) is provided with the plural root, three-dimensional deformation pipe (1) is the heliciform flat pipeline.
2. The three-dimensional deformation tube heat accumulator of claim 1, wherein: the heat accumulator shell (2) is a cuboid.
3. The three-dimensional deformation tube heat accumulator of claim 1, wherein: the heat accumulator shell (2) is made of one of silicon carbide and aluminum oxide.
4. The three-dimensional deformation tube heat accumulator of claim 1, wherein: the spiral direction of the three-dimensional deformation pipe (1) is anticlockwise.
5. The three-dimensional deformation tube heat accumulator of claim 1, wherein: the heat accumulator shell (2) is made in a casting mode.
6. The three-dimensional deformation tube heat accumulator of claim 5, wherein: the three-dimensional deformation pipeline (1) is molded inside the heat accumulator shell (2) in a mold molding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911310923.6A CN112985138A (en) | 2019-12-18 | 2019-12-18 | Three-dimensional deformation pipe heat accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911310923.6A CN112985138A (en) | 2019-12-18 | 2019-12-18 | Three-dimensional deformation pipe heat accumulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112985138A true CN112985138A (en) | 2021-06-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911310923.6A Pending CN112985138A (en) | 2019-12-18 | 2019-12-18 | Three-dimensional deformation pipe heat accumulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112985138A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3401682A (en) * | 1965-09-16 | 1968-09-17 | Linde Ag | Regenerative tube-bundle heat exchanger having screw-like flat-tened tubes helicallywound in spaced-apart relationship |
| JPH0894270A (en) * | 1994-09-29 | 1996-04-12 | Matsushita Electric Works Ltd | Heat storage device and heat exchanger using the heat storage device |
| JPH09287884A (en) * | 1996-04-23 | 1997-11-04 | Matsushita Electric Works Ltd | Heat exchanger |
| CN102183165A (en) * | 2011-03-30 | 2011-09-14 | 中冶京诚工程技术有限公司 | Heat exchange tube and combustor with spiral flat tube self-preheating device |
| CN202109786U (en) * | 2011-05-17 | 2012-01-11 | 辽宁石油化工大学 | Multi-medium tube side and multi-shell-side heat exchanger |
| CN206037799U (en) * | 2016-08-31 | 2017-03-22 | 杭州工电能源科技有限公司 | Commercial power heating regenerative heat exchanger |
| CN206321108U (en) * | 2016-12-02 | 2017-07-11 | 福建俊杰新材料科技股份有限公司 | A kind of High-strength honeycomb ceramic heat storage |
| CN211178086U (en) * | 2019-12-18 | 2020-08-04 | 东键飞能源科技(上海)有限公司 | Three-dimensional deformation pipe heat accumulator |
-
2019
- 2019-12-18 CN CN201911310923.6A patent/CN112985138A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3401682A (en) * | 1965-09-16 | 1968-09-17 | Linde Ag | Regenerative tube-bundle heat exchanger having screw-like flat-tened tubes helicallywound in spaced-apart relationship |
| GB1137949A (en) * | 1965-09-16 | 1968-12-27 | Linde Ag | Improvements in or relating to heat exchange apparatus |
| JPH0894270A (en) * | 1994-09-29 | 1996-04-12 | Matsushita Electric Works Ltd | Heat storage device and heat exchanger using the heat storage device |
| JPH09287884A (en) * | 1996-04-23 | 1997-11-04 | Matsushita Electric Works Ltd | Heat exchanger |
| CN102183165A (en) * | 2011-03-30 | 2011-09-14 | 中冶京诚工程技术有限公司 | Heat exchange tube and combustor with spiral flat tube self-preheating device |
| CN202109786U (en) * | 2011-05-17 | 2012-01-11 | 辽宁石油化工大学 | Multi-medium tube side and multi-shell-side heat exchanger |
| CN206037799U (en) * | 2016-08-31 | 2017-03-22 | 杭州工电能源科技有限公司 | Commercial power heating regenerative heat exchanger |
| CN206321108U (en) * | 2016-12-02 | 2017-07-11 | 福建俊杰新材料科技股份有限公司 | A kind of High-strength honeycomb ceramic heat storage |
| CN211178086U (en) * | 2019-12-18 | 2020-08-04 | 东键飞能源科技(上海)有限公司 | Three-dimensional deformation pipe heat accumulator |
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