CN107400523B - Efficient heat conduction waste heat recovery system for coke oven ascending pipe - Google Patents
Efficient heat conduction waste heat recovery system for coke oven ascending pipe Download PDFInfo
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- CN107400523B CN107400523B CN201710699372.1A CN201710699372A CN107400523B CN 107400523 B CN107400523 B CN 107400523B CN 201710699372 A CN201710699372 A CN 201710699372A CN 107400523 B CN107400523 B CN 107400523B
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- 239000002918 waste heat Substances 0.000 title claims abstract description 23
- 238000011084 recovery Methods 0.000 title claims abstract description 21
- 230000001174 ascending effect Effects 0.000 title claims abstract description 17
- 239000000571 coke Substances 0.000 title claims abstract description 17
- 239000011229 interlayer Substances 0.000 claims abstract description 17
- 238000003860 storage Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 239000011449 brick Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- 238000003491 array Methods 0.000 claims 1
- 230000000630 rising effect Effects 0.000 abstract description 10
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 35
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 238000004939 coking Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000012824 chemical production Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B27/00—Arrangements for withdrawal of the distillation gases
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/14—Solid materials, e.g. powdery or granular
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a high-efficiency heat conduction waste heat recovery system for a coke oven riser, belongs to the technical field of waste heat recovery, relates to waste heat recovery for the coke oven riser, and solves the problems of high construction cleaning difficulty, short service life and unstable system operation in the existing riser waste heat recovery. The efficient heat conduction waste heat recovery system of the coke oven ascending pipe comprises a heat conduction oil heat exchanger ascending pipe, wherein the heat conduction oil heat exchanger ascending pipe comprises a sleeve and a heat conduction oil heat exchanger which are arranged in a shell; the heat conduction oil heat exchanger is arranged between the sleeve and the shell, the sleeve is an inner cylinder and an outer cylinder which are fixedly connected through fins, and an interlayer cavity is formed between the inner cylinder and the outer cylinder. The invention has safe and reliable operation, has the dry burning resistance, can effectively recycle the waste heat of the rising pipe, and realizes energy-saving utilization.
Description
Technical Field
The invention belongs to the technical field of waste heat recovery, relates to waste heat recovery of a coke oven riser, and in particular relates to an efficient heat conduction waste heat recovery system of the coke oven riser.
Background
In the coking production, the raw coke oven gas which comes out of a coking chamber and enters a rising pipe is about 700-800 ℃, the generated heat accounts for about 36% of the total available heat of the coke oven, the huge heat is not paid attention to and utilized for many years, and a plurality of coking enterprises generally adopt an ammonia water spraying mode in a bridge pipe to lower the temperature of the raw coke oven gas to below 85 ℃, so that a large amount of waste heat resources cannot be utilized, and the energy is wasted greatly.
Although some enterprises adopt structures such as built-in spiral pipe waste heat recovery heat exchangers, built-in heat pipe heat exchange technology, semi-pipe winding belt heat exchangers and the like, the problems of water leakage, pipe explosion and the like of heat exchange surfaces often occur, the long-term stable operation cannot be realized, and even water in the whole steam drum leaks into a carbonization chamber to cause safety accidents in serious cases. In particular, the existing recovery methods have the following drawbacks: (1) The rising pipe adopts a built-in strip winding heat exchanger, the heat exchanger directly exchanges heat with raw gas, the use environment is bad, the mechanical collision of manually cleaning stone mill is serious, the construction difficulty is high, the heat exchange pipe is extremely easy to burst or crack, and the service life is short; (2) A heat pipe is arranged between the water jacket and the rising pipe for absorbing heat, the heat exchange coefficient is low, and a plurality of pressure containers are formed on the coke oven, so that the management difficulty and the management cost are increased; (3) The water jacket is easy to generate dust blockage, the cleaning difficulty is high, the heat pipe destruction rate is high, and the maintenance is difficult.
In order to solve the defects in the prior art, the invention provides a high-efficiency heat conduction waste heat recovery system for a coke oven riser.
Disclosure of Invention
The invention provides a coke oven riser efficient heat conduction waste heat recovery system and a process, which aim to solve the problems of high construction and cleaning difficulty, short service life and unstable system operation of the existing riser waste heat recovery.
The invention is realized by the following technical scheme:
the efficient heat conduction waste heat recovery system of the coke oven ascending pipe comprises a heat conduction oil heat exchanger ascending pipe, wherein the heat conduction oil heat exchanger ascending pipe comprises a sleeve and a heat conduction oil heat exchanger which are arranged in a shell; the heat conduction oil heat exchanger is arranged between the sleeve and the shell, the sleeve is an inner cylinder and an outer cylinder which are fixedly connected through fins, and an interlayer cavity is formed between the inner cylinder and the outer cylinder.
Further, the heat transfer oil heat exchanger consists of two groups of semi-annular heat transfer oil heat exchangers symmetrically arranged between the shell and the sleeve, each group of heat transfer oil heat exchangers consists of an upper semi-annular header, a lower semi-annular header, an inner interlayer, an outer interlayer and at least 2 tubes, the tube array intervals are uniformly fixed in a cavity between the upper semi-annular header, the lower semi-annular header, the inner interlayer and the outer interlayer, and oil outlets are formed in the upper semi-annular header and oil inlets are formed in the lower semi-annular header.
The heat conduction oil heat exchanger can also be a spiral coil pipe integrated heat conduction oil heat exchanger, and is sleeved between the sleeve and the shell.
The shell is of a cylindrical structure and is formed by buckling two semicircular cylinders relatively, semicircular flanges are arranged at two ends of the two semicircular cylinders, the two semicircular cylinders are connected through flanges, overhaul and disassembly are convenient, and the semicircular heat exchanger in the jacket is taken out.
The sleeve and the shell are of heat-resistant stainless steel structures, a sandwich cavity is formed between the inner cylinder and the outer cylinder, and a lining brick with high temperature resistance and good heat conductivity is filled in the sandwich cavity, wherein a plurality of strip fins are welded in the cavity and play a role in increasing the heat conduction area, increasing the heat conduction rate, supporting the rotation of the high heat conduction lining and protecting the inner wall cylinder from being washed by raw gas; the lining bricks with good heat conductivity are filled between the fins, the lining is made of nonmetallic materials with good heat conductivity and high temperature resistance, and the lining is inlaid in the sleeve to play a role in efficient heat conduction.
The inner jacket of the heat conduction oil heat exchanger is filled with solid heat conduction materials, and the mass ratio of the solid heat conduction materials is 4:4:2, namely the rising pipe of the heat conduction oil heat exchanger of the system is a waste heat recovery system in a gas-solid-liquid heat exchange mode.
The oil storage tank is communicated with an oil inlet of the heat transfer oil heat exchanger type ascending pipe through the conveying pipeline provided with the oil supply pump, the oil outlet is communicated with the superheater and the heat exchanger through the conveying pipeline, and the superheater and the heat exchanger are communicated with the oil storage tank through the conveying pipeline to form a closed-circuit circulating system.
The heat exchanger is an oil-water heat exchanger, the steam drum is connected with the oil-water heat exchanger through a rising pipe and a falling pipe, the upper part of an outer shell of the oil-water heat exchanger is connected with a softened water steam drum through the rising pipe and the falling pipe during specific installation, high-temperature heat conduction oil runs through an inner tube of the heat exchanger and exchanges heat with softened water running outside the tube, steam is continuously generated, the temperature of the heat conduction oil is reduced and recycled, the upper part of the heat exchanger is connected with the softened water steam drum, softened water enters the steam drum after being deoxidized by the deaerator, and the steam continuously generated in the steam drum is continuously sent outwards.
The invention absorbs the heat of the raw gas in the sleeve by a gas-solid-liquid heat exchange mode and conducts the heat to the heat conducting oil in the tube array, after the heat conducting oil absorbs the heat, the heat is carried out of the ascending tube, and then exchanges heat with the oil-water heat exchanger, the water is heated to generate steam, the oil is cooled and then is continuously recycled, and the generated steam is continuously output and is used for an ammonia distillation section, a benzene removal section and the like in a chemical production process system or is used for power generation. When heat exchange is performed, heat is absorbed by heat conducting oil in the semi-annular heat exchanger in the rising pipe jacket, the heat conducting oil is connected with a conveying pipeline through an oil outlet and conveyed to an oil-water heat exchange system of a ground station, a steam superheater, an oil-water heat exchanger, a heat conducting oil conveying pump and the like are sequentially connected to form a complete oil circuit circulation system, when the heat conducting oil enters the oil-water heat exchanger, the oil-water heat exchanger is connected with a steam drum, the oil-water heat exchanger is positioned below the steam drum, a rising pipe and a falling pipe of a softening water pipeline of the steam drum are connected with a shell of the oil-water heat exchanger, two end sealing heads of the oil-water heat exchanger are connected with an inlet pipeline of the heat conducting oil conveying pump in series, and when the heat conducting oil is implemented, a plurality of oil-water heat exchangers and the steam drum are parallelly installed and are connected with the inlet pipeline of the heat conducting oil conveying pump in parallel, so that the heat conducting oil circulation system can be used in a switching manner.
Compared with the prior art, the invention has the following characteristics:
(1) The heat conduction oil is used as a heat transfer working medium, waste heat recovery is carried out in the high-temperature rising pipe, vaporization and phase change of the heat conduction oil are avoided in the heat absorption process in the heat exchanger, and the high-pressure working state of the waste heat recovery heat exchanger is avoided, so that the heat exchange device is safe and reliable;
(2) The heat-resistant stainless steel is made of heat-resistant stainless steel, can withstand high-temperature environment, and has dry burning resistance;
(3) The waste heat of the riser can be effectively recycled, taking a coke oven with annual production of 100 ten thousand tons as an example, steam with the temperature of 0.8MPa-2.5 MPa and 250 ℃ can be produced for about 12 ten thousand tons each year, the economic benefit is about 1200 ten thousand yuan/year, and the energy-saving utilization is realized.
Drawings
FIG. 1 is a system operational diagram of the present invention;
FIG. 2 is a schematic diagram of the structure of the riser of the conduction oil heat exchanger;
FIG. 3 is a cross-sectional view of a riser of a conduction oil heat exchanger;
in the figure: 1-heat conduction oil heat exchanger riser, 2-sleeve, 3-shell, 4-oil outlet, 5-oil inlet, 6-conveying pipeline, 7-superheater, 8-oil-water heat exchanger, 9-steam drum, 10-heat conduction oil circulating pump, 11-column tube, 12-fin, 13-lining rotor, 14-heat conduction solid powder.
Detailed Description
The invention is further described below with reference to the drawings and examples. The embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The efficient heat conduction waste heat recovery system of the coke oven riser pipe comprises a heat conduction oil heat exchanger riser pipe 1, wherein the heat conduction oil heat exchanger riser pipe 1 comprises a sleeve 2 and a heat conduction oil heat exchanger which are arranged in a shell 3; the heat conduction oil heat exchanger is arranged between the sleeve 2 and the shell 3, the sleeve 2 is an inner cylinder and an outer cylinder which are fixedly connected through fins 12, and an interlayer cavity is formed between the inner cylinder and the outer cylinder.
The heat conduction oil heat exchanger consists of two groups of semi-annular heat conduction oil heat exchangers symmetrically arranged between the shell 3 and the sleeve 2, each group of heat conduction oil heat exchangers consists of an upper semi-annular header, a lower semi-annular header, an inner interlayer, an outer interlayer and at least 2 tubes 11, the tubes 11 are uniformly fixed in a cavity between the upper semi-annular header, the lower semi-annular header, the inner interlayer and the outer interlayer at intervals, an oil outlet 4 is formed in the upper semi-annular header, and an oil inlet 5 is formed in the lower semi-annular header; (in addition, in the design, the heat conduction oil heat exchanger can also be a spiral coil pipe integrated heat conduction oil heat exchanger, and is sleeved between the sleeve 2 and the shell 3).
The shell 3 is of a cylindrical structure and is formed by buckling two semicircular cylinders relatively, semicircular flanges are arranged at two ends of the two semicircular cylinders, the two semicircular cylinders are connected through flanges, overhaul and disassembly are convenient, and the semicircular heat exchanger in the jacket is taken out.
The sleeve 2 and the shell 3 are of heat-resistant stainless steel structures, a sandwich cavity is formed between the inner cylinder and the outer cylinder, and a lining brick 13 with high temperature resistance and good heat conductivity is filled in the sandwich cavity, wherein a plurality of strip fins 12 are welded in the cavity; the inner jacket of the heat conduction oil heat exchanger is filled with solid heat conduction materials 14, wherein the mass ratio of the solid heat conduction materials is 4:4:2, iron fine powder, graphite powder and aluminum oxide powder.
As shown in fig. 1, the heat conduction oil circulation system further comprises an oil storage tank, an oil supply pump, a conveying pipeline 6, a superheater 7 and a heat exchanger 8, wherein the oil storage tank is communicated with an oil inlet 5 of a heat conduction oil heat exchanger type lifting pipe through the conveying pipeline 6 provided with the oil supply pump, an oil outlet 4 is connected with the superheater 7 and the heat exchanger 8 through the conveying pipeline 6, the superheater 7 and the heat exchanger 8 are communicated with the oil storage tank through the conveying pipeline to form a closed circulation system, the closed circulation system comprises a steam drum 9, the heat exchanger 8 is an oil-water heat exchanger, and the steam drum 9 is connected with the oil-water heat exchanger 8 through the lifting pipe and a descending pipe. During operation, the heat of raw gas in the sleeve is absorbed by a gas-solid-liquid heat exchange mode and is conducted to heat conduction oil in the row pipe 11, after the heat conduction oil absorbs the heat, the heat is brought out of the ascending pipe and is then exchanged with the oil-water heat exchanger 8, steam is generated after the water is heated, the oil is cooled and is continuously recycled, the generated steam is continuously output and is used for an ammonia evaporation section, a benzene removal section and the like in a chemical production process system, or is used for power generation, after the heat conduction oil in the semi-annular heat exchanger in the ascending pipe jacket absorbs the heat, the heat conduction oil is connected with a conveying pipeline through the oil outlet 4 and is conveyed to an oil-water heat exchange system of a ground station, a steam superheater, an oil-water heat exchanger, a heat conduction oil conveying pump and the like are sequentially connected, and a complete oil circuit circulation system is formed, wherein when the heat conduction oil enters the oil-water heat exchanger, the oil-water heat exchanger is connected with a steam drum, the ascending pipe and the descending pipe of the steam drum softening circuit are connected with a shell of the oil-water heat exchanger, two ends of the oil-water heat exchanger are connected with an oil conveying inlet pipeline in series, and when the heat exchanger is implemented, the oil-water heat exchanger and the heat exchanger heat can be connected with a water inlet pipe and a heat exchanger through a heat exchanger.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.
Claims (1)
1. The efficient heat conduction waste heat recovery device for the coke oven ascending pipe is characterized by comprising a heat conduction oil heat exchanger ascending pipe, wherein the heat conduction oil heat exchanger ascending pipe comprises a sleeve and a spiral coil integrated heat conduction oil heat exchanger which are arranged in a shell, the shell is of a cylindrical structure and is formed by oppositely buckling two semicircular cylinder bodies, and semicircular flanges are arranged at two ends of each semicircular cylinder body; wherein the spiral coil pipe integrated heat transfer oil heat exchanger is arranged between the sleeve and the shell; the sleeve is of a heat-resistant stainless steel structure and comprises an inner cylinder and an outer cylinder which are fixedly connected through fins, an interlayer cavity is formed between the inner cylinder and the outer cylinder, and lining bricks with high temperature resistance and good heat conductivity are filled in the interlayer cavity;
the spiral coil integrated heat conduction oil heat exchanger consists of two groups of semi-annular heat conduction oil heat exchangers symmetrically arranged between a shell and a sleeve, each group of heat conduction oil heat exchangers consists of an upper semi-annular header, a lower semi-annular header, an inner interlayer, an outer interlayer and at least 2 tubes, solid heat conduction materials are filled in an inner jacket of the spiral coil integrated heat conduction oil heat exchanger, and the mass ratio of the solid heat conduction materials is 4:4:2, iron fine powder, graphite powder and aluminum oxide powder; the tube arrays are uniformly fixed in a cavity between an upper semi-annular header, a lower semi-annular header, an inner interlayer and an outer interlayer at intervals, wherein an oil outlet is formed in the upper semi-annular header, and an oil inlet is formed in the lower semi-annular header;
the device also comprises a heat conduction oil circulation system, wherein the heat conduction oil circulation system comprises an oil storage tank, an oil supply pump, a conveying pipeline, a superheater and a heat exchanger, the oil storage tank is communicated with an oil inlet of the heat conduction oil heat exchanger type ascending pipe through the conveying pipeline provided with the oil supply pump, an oil outlet is communicated with the superheater and the heat exchanger through the conveying pipeline, and the superheater and the heat exchanger are communicated with the oil storage tank through the conveying pipeline to form a closed-circuit circulation system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710699372.1A CN107400523B (en) | 2017-08-16 | 2017-08-16 | Efficient heat conduction waste heat recovery system for coke oven ascending pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710699372.1A CN107400523B (en) | 2017-08-16 | 2017-08-16 | Efficient heat conduction waste heat recovery system for coke oven ascending pipe |
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| Publication Number | Publication Date |
|---|---|
| CN107400523A CN107400523A (en) | 2017-11-28 |
| CN107400523B true CN107400523B (en) | 2024-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710699372.1A Active CN107400523B (en) | 2017-08-16 | 2017-08-16 | Efficient heat conduction waste heat recovery system for coke oven ascending pipe |
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| CN112828412B (en) * | 2020-12-28 | 2022-12-23 | 杭州余杭冠泰五金有限公司 | Soldering tin stove waste heat treatment equipment based on convection heat transfer |
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|---|---|---|---|---|
| CN201811187U (en) * | 2010-06-25 | 2011-04-27 | 武汉钢铁(集团)公司 | Novel residual heat utilization device for ascension pipe of coke oven |
| CN102183159A (en) * | 2011-01-27 | 2011-09-14 | 济南冶金化工设备有限公司 | Integrated fluid afterheat recoverer |
| CN202688260U (en) * | 2012-07-23 | 2013-01-23 | 辽宁科技大学 | Raw coke oven gas afterheat recycling device of coke oven riser tube |
| CN202786106U (en) * | 2012-08-28 | 2013-03-13 | 无锡市东方环境工程设计研究所有限公司 | Waste heat recovery device for raw coke oven gas |
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| CN105238419A (en) * | 2015-10-31 | 2016-01-13 | 济南冶金化工设备有限公司 | Riser apparatus for recycling waste heat of coke oven crude gas |
| CN106047376A (en) * | 2016-07-14 | 2016-10-26 | 河北工程大学 | High-temperature-resistant corrosion-resistant snakelike spiral heat exchanger of coke oven ascending pipe |
| CN207047151U (en) * | 2017-08-16 | 2018-02-27 | 山西长林能源科技有限公司 | A kind of coke oven coke oven uprising tube high-efficiency heat conduction residual neat recovering system |
-
2017
- 2017-08-16 CN CN201710699372.1A patent/CN107400523B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201811187U (en) * | 2010-06-25 | 2011-04-27 | 武汉钢铁(集团)公司 | Novel residual heat utilization device for ascension pipe of coke oven |
| CN102183159A (en) * | 2011-01-27 | 2011-09-14 | 济南冶金化工设备有限公司 | Integrated fluid afterheat recoverer |
| CN202688260U (en) * | 2012-07-23 | 2013-01-23 | 辽宁科技大学 | Raw coke oven gas afterheat recycling device of coke oven riser tube |
| CN202786106U (en) * | 2012-08-28 | 2013-03-13 | 无锡市东方环境工程设计研究所有限公司 | Waste heat recovery device for raw coke oven gas |
| CN204400894U (en) * | 2014-12-22 | 2015-06-17 | 杭州锅炉集团股份有限公司 | Raw coke over gas riser heat recovering device |
| CN105238419A (en) * | 2015-10-31 | 2016-01-13 | 济南冶金化工设备有限公司 | Riser apparatus for recycling waste heat of coke oven crude gas |
| CN106047376A (en) * | 2016-07-14 | 2016-10-26 | 河北工程大学 | High-temperature-resistant corrosion-resistant snakelike spiral heat exchanger of coke oven ascending pipe |
| CN207047151U (en) * | 2017-08-16 | 2018-02-27 | 山西长林能源科技有限公司 | A kind of coke oven coke oven uprising tube high-efficiency heat conduction residual neat recovering system |
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| CN107400523A (en) | 2017-11-28 |
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