CN105238419B - Reclaim the rising pipe device of waste heat of coke oven crude gas - Google Patents
Reclaim the rising pipe device of waste heat of coke oven crude gas Download PDFInfo
- Publication number
- CN105238419B CN105238419B CN201510733591.8A CN201510733591A CN105238419B CN 105238419 B CN105238419 B CN 105238419B CN 201510733591 A CN201510733591 A CN 201510733591A CN 105238419 B CN105238419 B CN 105238419B
- Authority
- CN
- China
- Prior art keywords
- tedge
- coke oven
- inner cylinder
- chuck inner
- raw coke
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000571 coke Substances 0.000 title claims abstract description 65
- 239000007789 gas Substances 0.000 title claims abstract description 61
- 230000000630 rising effect Effects 0.000 title claims abstract description 18
- 239000002918 waste heat Substances 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000011084 recovery Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims abstract description 8
- 239000012043 crude product Substances 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005087 graphitization Methods 0.000 abstract description 5
- 239000010426 asphalt Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 238000012546 transfer Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000011269 tar Substances 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011286 gas tar Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000002470 thermal conductor Substances 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Classifications
-
- 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
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention discloses the rising pipe device of recovery waste heat of coke oven crude gas, including tedge jacket outside cylinder, tedge chuck inner cylinder, the outer wall of tedge chuck inner cylinder is tightly connected with the axial both ends of tedge jacket outside cylinder, the upper and lower ends of tedge chuck inner cylinder are respectively equipped with adpting flange, lower adpting flange, raw coke oven gas tedge is provided with upper adpting flange to export, raw coke oven gas is provided with lower adpting flange and rises tube inlet, sealing cavity is formed between the outer wall and tedge jacket outside cylinder of the tedge chuck inner cylinder, heated medium entrance is provided with the lower end of tedge jacket outside cylinder, cup Crude product input is provided with the upper end of tedge jacket outside cylinder, heat transmission fin is provided with the inwall of tedge chuck inner cylinder.The present invention utilizes fins conduct raw coke oven gas heat, and contact of the chuck inner cylinder with raw coke oven gas is separated by thermal insulation layer, avoids tar asphalt in raw coke oven gas caused by raw coke oven gas contact with chuck inner cylinder cold wall-graphitization and blocks tedge problem.
Description
Technical field
The present invention relates to coke oven high temperature raw coke oven gas heat recovery technical field, more particularly to a kind of recovery coke oven famine coal
The rising pipe device of gas waste heat.
Background technology
The raw gas temperature that coke oven comes out is about 750 DEG C or so, and the heat taken out of is total equivalent to what coking by coke oven consumed
33~35 ﹪ of heat, for ease of the purification and processing of rear process, common practice is in the prior art：Spray cycle ammoniacal liquor with
Raw coke oven gas directly contacts, and is largely vaporized by cyclic ammonia water, raw coke oven gas is drastically cooled to 80~83 DEG C and is sent to follow-up coal gas essence
System processed.The converting heat of the said process high temperature raw coke oven gas of prior art is useless low temperature water vapour（About 80 DEG C of left sides
It is right）And the defects of needing substantial amounts of recirculated water to be cooled down, existing is, the heat of high temperature raw coke oven gas is both wasted, has been consumed again
Substantial amounts of water resource.
Substantial amounts of research has been done in home and abroad to coke oven high temperature raw coke oven gas heat recovery, also there is corresponding pre- recuperation of heat
Structures and methods, but be the problem of structures and methods of the prior art are present：Due to the inherent characteristic of raw coke oven gas, these knots
There is great operational defect and potential safety hazard in structure and method, therefore all do not obtain formal industrialization and answer in the industrial production
With.Such as disclosed water leg vaporization mode in the prior art, between the mixture of water and vapor walks chuck, high temperature raw coke oven gas
Chuck inner cylinder is walked, the defects of it is existing main is：Because chuck inner tank theca is the mixture of water and vapor, chuck inner cylinder
Wall temperature is close to water and the mixture temperature of vapor, and the tar in raw coke oven gas condenses in chuck inner cylinder inwall, gradual pitch-graphite
Change causes rising blockage.
The content of the invention
The purpose of the present invention is exactly to solve above mentioned problem existing for prior art, is improved more than a kind of recovery coal oven dithio-gas
The rising pipe device of heat；The present invention utilizes fins conduct raw coke oven gas heat, and chuck inner cylinder and raw coke oven gas are separated by thermal insulation layer
Contact, avoids contact of the raw coke oven gas with chuck inner cylinder cold wall, so as to avoid in raw coke oven gas tar in chuck inner cylinder inwall
Condensation, solve the problems, such as that the gradual pitch of tar-graphitization blocks tedge.
The present invention solve technical problem technical scheme be：
A kind of rising pipe device for reclaiming waste heat of coke oven crude gas, including tedge jacket outside cylinder, tedge chuck inner cylinder,
The outer wall of the tedge chuck inner cylinder is tightly connected with the axial both ends of tedge jacket outside cylinder, the tedge chuck inner cylinder
Upper and lower ends be respectively equipped with adpting flange, lower adpting flange, the outlet of raw coke oven gas tedge, lower company are provided with upper adpting flange
Raw coke oven gas is provided with acting flange and rises tube inlet, is formed between the outer wall and tedge jacket outside cylinder of the tedge chuck inner cylinder
Sealing cavity, heated medium entrance is provided with the lower end of tedge jacket outside cylinder, is provided with the upper end of tedge jacket outside cylinder
Cup Crude product input, heat transmission fin is provided with the inwall of tedge chuck inner cylinder.
The heat transmission fin is axially arranged with multigroup along tedge chuck inner cylinder, and every group of heat transmission fin is provided with radial equipartition
Multi-disc.
The tedge chuck inner cylinder inwall is provided with inner cylinder thermal insulation layer.
The heated medium is water.
The pressure of water and water vapour in the sealing cavity is 0-6.0MPa.
The pressure of water and water vapour in the sealing cavity is 0.6-1.6MPa.
The temperature of the raw coke oven gas tedge porch is 650-800 DEG C, and the temperature in raw coke oven gas tedge exit is
300–550℃。
The heat transmission fin is made of materials such as steel, stainless steel, copper, aluminium.
Beneficial effects of the present invention：
1. the present invention using heat transmission fin be thermal conductor the heat of high temperature raw coke oven gas be transmitted to tedge chuck inner cylinder and then
Heated medium in heating jacket, fins conduct raw coke oven gas heat, heat transfer efficiency are high, and exhaust heat utilization effect is good；In tedge
Chuck inner cylinder sets inner cylinder thermal insulation layer, separates contact of the chuck inner cylinder with raw coke oven gas by thermal insulation layer, avoids raw coke oven gas and folder
The transmission of heat by contact of inner cylinder cold wall is covered, so as to avoid in raw coke oven gas tar caused by direct contact heat transfer in chuck inner cylinder
The condensation of wall, solve the problems, such as that the gradual pitch of tar-graphitization blocks tedge, also improve utilization rate of waste heat.
2. the heat of high temperature technique in present invention recovery raw coke oven gas can produce 0-6.0MPa saturated vapor, can adapt to not
Same user's request.
Brief description of the drawings
Fig. 1 is the structure chart of apparatus of the present invention.
Fig. 2 is Fig. 1 top view.
Embodiment
For a better understanding of the present invention, embodiments of the present invention are explained in detail below in conjunction with the accompanying drawings.
Embodiment 1
Exemplified by below using water as heated medium, to illustrate the structure and the course of work of the present invention, it is of course also possible to adopt
Heated medium is used as by the use of conduction oil.
As shown in Figure 1 and Figure 2, a kind of rising pipe device for reclaiming waste heat of coke oven crude gas, including tedge jacket outside cylinder 2,
Tedge chuck inner cylinder 3, the outer wall of the tedge chuck inner cylinder 3 are tightly connected with the axial both ends of tedge jacket outside cylinder 2,
The upper and lower ends of the tedge chuck inner cylinder 3 are respectively equipped with adpting flange 33, lower adpting flange 34, at upper adpting flange 33
Provided with raw coke oven gas outlet 32, be provided with raw coke oven gas entrance 31 at lower adpting flange 34, the outer wall of the tedge chuck inner cylinder 3 with it is upper
Sealing cavity 5 is formed between riser jacket outside cylinder 2, that is, rises the outer wall of pipe device tedge chuck inner cylinder 3 and rises pipe clamp with being provided with
Cover the inwall of outer barrel 2 and form sealed jacket, water inlet 21 is provided with the lower end of tedge jacket outside cylinder 2, in tedge jacket outside cylinder 2
Upper end be provided with water and steam outlet 22, be provided with heat transmission fin 1, the heat transmission fin 1 in the inwall of tedge chuck inner cylinder 3
It is axially arranged with some groups along tedge chuck inner cylinder 3, every group of heat transmission fin 1 is provided with multi-disc in radial equipartition.
The inwall of tedge chuck inner cylinder 3 is provided with inner cylinder thermal insulation layer 4.Inner cylinder by tedge chuck inner cylinder 3 is heat-insulated
High temperature raw coke oven gas and inner cylinder inwall are isolated, avoid the two from directly contacting by layer 4, so as to avoid the tar of raw coke oven gas from rising pipe clamp
Condensed on the set inwall of inner cylinder 3, reduce gradual pitch-graphitization and cause rising blockage, ensure waste heat of coke oven crude gas and water
Heat transfer effect, improve the utilization ratio of waste heat of coke oven crude gas.
The heat of high temperature raw coke oven gas is transmitted to tedge chuck inner cylinder and then heating by the present invention using heat transmission fin as thermal conductor
Water in chuck, and set inner cylinder thermal insulation layer to avoid directly connecing for high temperature raw coke oven gas and inner cylinder cold wall in tedge chuck inner cylinder
The condensation of tar in raw coke oven gas caused by heat transfer, gradual pitch-graphitization clogging are touched, the present invention is reclaimed in raw coke oven gas
Heat of high temperature technique can produce 0-6.0MPa saturated vapor, adapt to different user's requests.
The pressure of water and water vapour in the sealing cavity 5 is 0.6-1.6MPa.
The temperature of the raw coke oven gas tedge porch is 650-800 DEG C, 300-550 DEG C of outlet temperature.
The heat transmission fin is made of materials such as steel, stainless steel, copper, aluminium.
Using the rising pipe device for reclaiming waste heat of coke oven crude gas, carrying out the process of pre- recuperation of heat is：
1. high temperature raw coke oven gas is passed through from the raw coke oven gas entrance 31 of the bottom of tedge chuck inner cylinder 3, inhaled by heat transmission fin 1
Heat simultaneously passes to temperature reduction after the outer wall of tedge chuck inner cylinder 3, how to be sent out by the raw coke oven gas outlet 32 on top；
2. water is entered in cavity 5 by the bottom water inlet 21 of tedge jacket outside cylinder 2, rising pipe clamp is transmitted to through heat transmission fin 1
The raw coke oven gas heat vaporization of the outer wall of inner cylinder 3 is covered, forms the water after steam water interface by the top of tedge jacket outside cylinder 2 and steaming
Vapor outlet 22 is sent out；
Although above-mentioned the embodiment of invention is described with reference to accompanying drawing, not to the scope of the present invention
Limitation, on the basis of technical scheme, those skilled in the art need not pay creative work and can make
Various modifications or deformation still within protection scope of the present invention.
Claims (6)
1. a kind of rising pipe device for reclaiming waste heat of coke oven crude gas, including tedge jacket outside cylinder, tedge chuck inner cylinder, its
It is characterized in, the outer wall of the tedge chuck inner cylinder is tightly connected with the axial both ends of tedge jacket outside cylinder, the tedge
The upper and lower ends of chuck inner cylinder are respectively equipped with adpting flange, lower adpting flange, and raw coke oven gas tedge is provided with upper adpting flange
Outlet, raw coke oven gas be provided with lower adpting flange rise tube inlet, the outer wall of the tedge chuck inner cylinder with outside tedge chuck
Sealing cavity is formed between cylinder, heated medium entrance is provided with the lower end of tedge jacket outside cylinder, in tedge jacket outside cylinder
Upper end be provided with cup Crude product input, be provided with heat transmission fin in the inwall of tedge chuck inner cylinder；
The heat transmission fin be axially arranged with along tedge chuck inner cylinder it is multigroup, every group of heat transmission fin radial equipartition be provided with it is more
Piece；
The tedge chuck inner cylinder inwall is provided with inner cylinder thermal insulation layer.
2. the rising pipe device of recovery waste heat of coke oven crude gas as claimed in claim 1, it is characterized in that, the heated medium
For water.
3. the rising pipe device of recovery waste heat of coke oven crude gas as claimed in claim 2, it is characterized in that, in the sealing cavity
Water and the pressure of water vapour be 0-6.0MPa.
4. the rising pipe device of recovery waste heat of coke oven crude gas as claimed in claim 3, it is characterized in that, in the sealing cavity
Water and the pressure of water vapour be 0.6-1.6MPa.
5. the rising pipe device of recovery waste heat of coke oven crude gas as claimed in claim 1, it is characterized in that, the raw coke oven gas rises
Temperature at tube inlet is 650-800 DEG C, and the temperature in raw coke oven gas tedge exit is 300-550 DEG C.
6. the rising pipe device of recovery waste heat of coke oven crude gas as claimed in claim 1, it is characterized in that, the heat transmission fin is adopted
It is made of steel, stainless steel, copper or aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510733591.8A CN105238419B (en) | 2015-10-31 | 2015-10-31 | Reclaim the rising pipe device of waste heat of coke oven crude gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510733591.8A CN105238419B (en) | 2015-10-31 | 2015-10-31 | Reclaim the rising pipe device of waste heat of coke oven crude gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105238419A CN105238419A (en) | 2016-01-13 |
| CN105238419B true CN105238419B (en) | 2017-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510733591.8A Active CN105238419B (en) | 2015-10-31 | 2015-10-31 | Reclaim the rising pipe device of waste heat of coke oven crude gas |
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| CN (1) | CN105238419B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106118692A (en) * | 2016-08-05 | 2016-11-16 | 山东宏力热泵能源股份有限公司 | Coal oven dithio-gas waste heat recycling system |
| CN106085466A (en) * | 2016-08-05 | 2016-11-09 | 山东宏力热泵能源股份有限公司 | Coke oven coke oven uprising tube |
| CN106590693A (en) * | 2017-01-23 | 2017-04-26 | 中冶焦耐(大连)工程技术有限公司 | Oil gas condensation preventing gas collecting umbrella of charring chamber of vertical furnace |
| CN107008635B (en) * | 2017-05-08 | 2023-11-07 | 南京华电节能环保股份有限公司 | Method and equipment for coating solid medium layer in coke oven rising pipe raw gas waste heat recovery heat exchanger |
| CN107400523B (en) * | 2017-08-16 | 2024-02-09 | 山西长林能源科技有限公司 | Efficient heat conduction waste heat recovery system for coke oven ascending pipe |
| CN107418599A (en) * | 2017-08-31 | 2017-12-01 | 南京沪友冶金机械制造有限公司 | The coke oven coke oven uprising tube waste heat recovery device of integration desulfurization denitration |
| CN107434975A (en) * | 2017-08-31 | 2017-12-05 | 南京沪友冶金机械制造有限公司 | A kind of high efficiency Riser waste heat recovery device for coke oven |
| CN108467737A (en) * | 2018-05-23 | 2018-08-31 | 樊晓光 | A kind of spiral coil conduction-type raw coke oven gas waste heat recovery apparatus |
| CN109282260B (en) * | 2018-10-30 | 2023-12-08 | 江苏中圣压力容器装备制造有限公司 | Raw coke oven gas waste heat recovery device and system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103509564B (en) * | 2012-06-19 | 2016-01-13 | 北京华泰焦化工程技术有限公司 | A kind of heat exchange type ascending tube and coke oven |
| CN204079874U (en) * | 2014-09-03 | 2015-01-07 | 常州江南环境工程有限公司 | Riser waste heat recovery device for coke oven |
| CN205152147U (en) * | 2015-10-31 | 2016-04-13 | 济南冶金化工设备有限公司 | Retrieve tedge device of coke oven crude gas waste heat |
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- 2015-10-31 CN CN201510733591.8A patent/CN105238419B/en active Active
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Riser device for recovering waste heat of coke oven raw gas Effective date of registration: 20221019 Granted publication date: 20171121 Pledgee: Qilu bank Limited by Share Ltd. Ji'nan Changqing branch Pledgor: JINAN METALLURGY CHEMICAL EQUIPMENT CO.,LTD. Registration number: Y2022980018940 |
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Date of cancellation: 20231027 Granted publication date: 20171121 Pledgee: Qilu bank Limited by Share Ltd. Ji'nan Changqing branch Pledgor: JINAN METALLURGY CHEMICAL EQUIPMENT CO.,LTD. Registration number: Y2022980018940 |
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