CN107286961A - A kind of coal oven dithio-gas high temperature section heat high efficiente callback device - Google Patents
A kind of coal oven dithio-gas high temperature section heat high efficiente callback device Download PDFInfo
- Publication number
- CN107286961A CN107286961A CN201710598480.XA CN201710598480A CN107286961A CN 107286961 A CN107286961 A CN 107286961A CN 201710598480 A CN201710598480 A CN 201710598480A CN 107286961 A CN107286961 A CN 107286961A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- bushing type
- drum
- steam
- high temperature
- 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.)
- Pending
Links
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
-
- 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
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention relates to a kind of coal oven dithio-gas high temperature section heat high efficiente callback device, standpipe bushing type quenching waste heat boiler is made up of bushing type vapor heat exchanger and drum, and the air inlet at the top of bushing type vapor heat exchanger connects the discharge at the top of coke oven by hot precipitator；The water inlet of drum passes sequentially through cryogenic heat exchanger, boiler feed pump, oxygen-eliminating device and deaerated feedwater pump connection sweet-water tank；Steam (vapor) outlet at the top of drum connects low-pressure steam user by reducing-and-cooling plant, or connects high-voltage power user by steam superheater；The sewage draining exit of bushing type vapor heat exchanger bottom connects sewage well by periodical blowdown expander.The present invention is capable of the high temperature section heat of high efficiente callback coal oven dithio-gas and produces HTHP saturated vapor, and then produces high pressure superheated steam or low-pressure saturated steam；Meanwhile, it is capable to reduce equipment inner macromolecule polymer coagulation, extend coking cycles, improve coke cleaning efficiency, safeguards system stable operation.
Description
Technical field
The present invention relates to residual heat utilizing technology of coke oven crude gas field, more particularly to a kind of coal oven dithio-gas high temperature section heat
Measure high efficiente callback device.
Background technology
The raw gas temperature of coke furnace carbonization chamber outlet is about 650~750 DEG C, with very high heat, the high efficiente callback portion
Divide heat to coking industry energy conservation, increasing economic efficiency is significant, meanwhile, high efficiente callback raw coke oven gas high temperature section heat is
Improve the committed step of raw coke oven gas waste heat recovery efficiency.At present, it has been disclosed that waste heat of coke oven crude gas recovery process mainly have with
Lower three kinds：1) reclaim crude-gas sensible heat using rising heat exchange of heat pipe and produce 0.4~0.6MPa low-pressure saturated steams；2) by dedusting
Raw coke oven gas afterwards imports waste heat boiler, and raw gas temperature, which is down to after 150 DEG C, sprays ammoniacal liquor continuation cooling, treats that temperature reaches 70~90
After DEG C, follow-up workshop section is sent through gas cooler by raw coke oven gas；3) ammoniacal liquor is sprayed into raw coke oven gas, is cooled to after 70~90 DEG C
Low temperature exhaust heat is reclaimed using gas cooler.
There is more deficiency in three of the above process route：The first technique is steamed, and category is single, steam production is few and easily makes
Coking even leak in tedge, influence coke oven operation；The coking easily in heat exchanger tube of second of technique, causes heat exchange efficiency
It is low, or even occur the phenomenons such as plugging, booster, influence safety in production；The heat grade that the third technique is reclaimed is low, and the thermal efficiency is low,
Ammoniacal liquor consumption is big, and sewage discharge is more.
The content of the invention
, being capable of the waste coal of high efficiente callback coke oven the invention provides a kind of coal oven dithio-gas high temperature section heat high efficiente callback device
The high temperature section heat of gas simultaneously produces HTHP saturated vapor, and then produces high pressure superheated steam or low-pressure saturated steam；Meanwhile,
Equipment inner macromolecule polymer coagulation can be reduced, extends coking cycles, coke cleaning efficiency, safeguards system stable operation is improved.
In order to achieve the above object, the present invention is realized using following technical scheme：
A kind of coal oven dithio-gas high temperature section heat high efficiente callback device, including hot precipitator, standpipe bushing type chilling are useless
Heat boiler, sweet-water tank, oxygen-eliminating device, cryogenic heat exchanger；The standpipe bushing type quenching waste heat boiler is by bushing type steam heat-exchanging
Device and drum composition, are connected between bushing type vapor heat exchanger and drum by tedge and down-comer；Bushing type steam heat-exchanging
Air inlet at the top of device connects the discharge at the top of coke oven by hot precipitator；The water inlet of drum passes sequentially through low-temperature heat exchange
Device, boiler feed pump, oxygen-eliminating device and deaerated feedwater pump connection sweet-water tank；Steam (vapor) outlet at the top of drum is filled by pressure and temperature reducing
Connection low-pressure steam user is put, or high-voltage power user is connected by steam superheater；The row of bushing type vapor heat exchanger bottom
Dirty mouth connects sewage well by periodical blowdown expander.
The dedusting ash outlet of the hot precipitator connects ash silo in addition.
The standpipe bushing type quenching waste heat boiler is made up of bushing type vapor heat exchanger and drum, bushing type steam heat-exchanging
Device includes upper smoke box, lower smoke box, sleeve pipe, oblate pipe tube sheet, heat exchanger tube, upper header and lower collector pipe, wherein on the outside of oblate pipe tube sheet
It is connected with heat exchanger tube, sleeve pipe bag is outside heat exchanger tube, and sleeve pipe on the inside of oblate pipe tube sheet with being connected, oblate pipe tube sheet and upper and lower collector
Connection, upper and lower collector connected by tedge and down-comer with drum respectively, the side of drum provided with water inlet, drum it is upper
Side is provided with steam (vapor) outlet.
Thermal insulation layer is provided with the upper smoke box.
The oblate pipe tube sheet of described sleeve pipe formula vapor heat exchanger uses circular arc or Long Circle.
The heat exchanger tube of described sleeve pipe formula vapor heat exchanger is to be cased with sleeve pipe outside 41, and every heat exchanger tube.
Compared with prior art, the beneficial effects of the invention are as follows：
1) present invention leads to coal oven dithio-gas in standpipe bushing type quenching waste heat boiler, to coal oven dithio-gas high temperature section
Heat is recycled, heat-exchange system and coke oven independent operating, is independent of each other；
2) present invention can produce HTHP saturated vapor, while heat exchanger tube tube wall temperature is not less than 320 DEG C, reduce knot
It is burnt and extend coking cycles；
3) present invention can both produce high pressure superheated steam and used for high-voltage power user, and low-pressure saturated steam confession can be produced again
Low-pressure steam user uses, and utilization of steam is extensive, strong applicability；
4) present invention is tentatively exchanged heat using cryogenic heat exchanger to the boiler feedwater after desalination, deoxygenation, is improved to water temperature
Degree rationally make use of other high-temperature mediums (such as high temperature tar) of plant area to 210 DEG C or so；Under identical output, with pot
The process system that stove feedwater is not exchanged heat tentatively is compared, steam production increase by 40%；
5) present invention uses standpipe bushing type quenching waste heat boiler, improves the pressure-resistant performance of system, and steam pressure is up to 10
~13MPa；High temperature tar is moved in the presence of self gravitation to heat exchange tube bottom, and tar graphitized area is concentrated mainly on pipe
Bottom, is easy to coke cleaning operation；Coking situation in heat exchanger tube can be monitored on-line simultaneously, be easy to coordinate manufacturing schedule, coke cleaning is carried out in advance
Prepare, safeguards system stable operation.
Brief description of the drawings
Fig. 1 is a kind of structural representation of coal oven dithio-gas high temperature section heat high efficiente callback device of the present invention.
Fig. 2 is the structural representation of standpipe bushing type quenching waste heat boiler of the present invention.
Fig. 3 is the main view profile of bushing type vapor heat exchanger of the present invention.
In figure：1. the boiler feedwater of 5. oxygen-eliminating device of coke oven 2. hot precipitator, 3. sweet-water tank, 4. deaerated feedwater pump 6.
The ash silo 13. of 11. sewage well of pump 7. cryogenic heat exchanger, 8. coke oven coke oven uprising tube, 9. discharge, 10. periodical blowdown expander 12.
Standpipe bushing type quenching waste heat boiler 13-1. bushing type vapor heat exchanger 13-2. tedge 13-3. down-comer 13-4. vapour
Wrap 13-5. upper header 13-6. lower collector pipe 13-7. thermal insulation layer 13-8. oblate pipe tube sheet 13-9. sleeve pipe 13-10. heat exchanger tubes
The steam superheater of 14. reducing-and-cooling plant of 13-11. upper smoke box 13-12. lower smoke box 13-13. steam (vapor) outlets 15.
Embodiment
The embodiment to the present invention is described further below in conjunction with the accompanying drawings：
As shown in Fig. 1-Fig. 3, a kind of coal oven dithio-gas high temperature section heat high efficiente callback device of the present invention, including high temperature
Deduster 2, standpipe bushing type quenching waste heat boiler 13, sweet-water tank 3, oxygen-eliminating device 5, cryogenic heat exchanger 7；The standpipe bushing type
Quenching waste heat boiler 13 is made up of bushing type vapor heat exchanger 13-1 and drum 13-4, bushing type vapor heat exchanger 14-1 and drum
Connected between 13-4 by tedge 13-2 with down-comer 13-3；Air inlet at the top of bushing type vapor heat exchanger 13-1 passes through height
The discharge 9 at the warm top of the connection of deduster 2 coke oven 1；Drum 13-4 water inlet passes sequentially through cryogenic heat exchanger 7, boiler feedwater
Pump 6, oxygen-eliminating device 5 and the connection sweet-water tank 3 of deaerated feedwater pump 4；Steam (vapor) outlet 14-14 at the top of drum 13-4 passes through pressure and temperature reducing
Device 14 connects low-pressure steam user, or connects high-voltage power user by steam superheater 15；Bushing type vapor heat exchanger 13-
The sewage draining exit of 1 bottom connects sewage well 11 by periodical blowdown expander 10.
The dedusting ash outlet of the hot precipitator 2 connects ash silo 12 in addition.
As shown in Figure 2 and Figure 3, the standpipe bushing type quenching waste heat boiler 13 is by bushing type vapor heat exchanger 13-1 and vapour
13-4 compositions are wrapped, bushing type vapor heat exchanger 13-1 includes upper smoke box 13-11, lower smoke box 13-12, sleeve pipe 13-9, oblate pipe pipe
With heat exchanger tube 13-10 on the outside of plate 13-8, heat exchanger tube 13-10, upper header 13-5 and lower collector pipe 13-6, wherein oblate pipe tube sheet 13-8
Connection, sleeve pipe 13-9 bags are outside heat exchanger tube 13-10, and sleeve pipe 13-9 on the inside of oblate pipe tube sheet 13-8 with being connected, oblate pipe tube sheet 13-
8 connect with upper and lower collector 13-5,13-6, upper and lower collector 13-5,13-6 respectively by tedge 13-2 and down-comer 13-3 with
Drum 13-4 is connected, and drum 13-4 side is provided with water inlet, and drum 13-4 top is provided with steam (vapor) outlet 13-13.
Thermal insulation layer 13-7 is provided with the upper smoke box 13-11.
Described sleeve pipe formula vapor heat exchanger 13-1 oblate pipe tube sheet 13-8 uses circular arc or Long Circle.
Described sleeve pipe formula vapor heat exchanger 13-1 heat exchanger tube 13-10 is to be cased with outside 41, and every heat exchanger tube 13-10
Sleeve pipe 13-9.
The process for reclaiming coal oven dithio-gas high temperature section heat using device of the present invention is as follows：
1) raw gas system：The coal oven dithio-gas that more than 600 DEG C of temperature enters in standpipe bushing type quenching waste heat boiler 13
Bushing type vapor heat exchanger 13-1 and water exchange heat, temperature is reduced to less than 350 DEG C after heat exchange；It is anxious that raw coke oven gas enters standpipe bushing type
The mean flow rate of cold waste heat boiler 13 is 25~40m/s, and bushing type vapor heat exchanger 13-1 heat exchanger tube 13-10 tube wall temperatures are not
Less than 320 DEG C；
2) boiler circuit：Boiler feedwater is through desalination, deoxygenation, then exchanges heat through cryogenic heat exchanger 7 to entering vertical after more than 210 DEG C
Drum 13-4 in pipe sleeve tubular type quenching waste heat boiler 13, then from down-comer 13-3 sleeve pipe formula vapor heat exchanger 13-1,
It is heated to be in bushing type vapor heat exchanger 13-1 by raw coke oven gas after steam water interface and returns to drum 13-4 through tedge 13-2,
Steam-water separation is carried out in drum 13-4,10~13MPa of pressure, the HTHP saturated vapor of 311~331 DEG C of temperature is produced；It is high
Warm high-pressure saturated steam is delivered to high-voltage power user after overheat or used after pressure and temperature reducing for low-pressure steam user, and boiler is given
Water is continued to be heated again by down-comer 13-3 sleeve pipe formula vapor heat exchangers 13-1, the circulation gone round and begun again；
3) heat exchanger tube coke cleaning：When being exchanged heat due to raw coke oven gas and water heat exchanger tube 13-10 tube wall temperatures tar dew-point temperature with
On, bushing type vapor heat exchanger 13-1 heat exchanger tube 13-10 coking cycles are long, by monitoring coking situation on-line, it is necessary to coke cleaning
The online steam blowings of Shi Caiyong, waterpower cleaning, chemical reagent cleaning or mechanical cleaning mode remove tar in heat exchanger tube 13-10.
The heat transferring medium exchanged heat in the cryogenic heat exchanger 7 with boiler feedwater is high temperature tar.
Following examples are implemented lower premised on technical solution of the present invention, give detailed embodiment and tool
The operating process of body, but protection scope of the present invention is not limited to following embodiments.Method therefor is such as without spy in following embodiments
It is conventional method not mentionlet alone bright.
【Embodiment】
In this implementation, a kind of coal oven dithio-gas high temperature section heat high efficiente callback process is as follows：
650~750 DEG C of raw coke oven gas from coke oven 1 enter discharge 9 by coke oven coke oven uprising tube 8, enter height after flue dust aggregation
Warm deduster 2 carries out dedusting, and the raw coke oven gas after dedusting is exchanged heat into standpipe bushing type quenching waste heat boiler 13, after dedusting
Lime-ash enters outer after ash silo 12 arrange；
The bushing type vapor heat exchanger 13-1 that raw coke oven gas enters in standpipe bushing type quenching waste heat boiler 13 is exchanged heat, and is protected
Hold raw coke oven gas inlet temperature be about 600 DEG C, 25~40m/s of mean flow rate, 330 DEG C of heat exchanger tube 13-10 tube wall temperatures, it is low after heat exchange
Warm raw coke oven gas enters other workshop sections and carries out low-temperature zone heat recovery；Meanwhile, the normal temperature demineralized water in sweet-water tank 3 is successively through deoxygenation
After feed pump 4, oxygen-eliminating device 5 temperature reach 160 DEG C, 160 DEG C of deaerated feedwater through boiler feed pump 6 enter cryogenic heat exchanger 7 with
Temperature reaches 210 DEG C after high temperature tar heat exchange.
210 DEG C of boiler feedwater enters after drum 13-4 through down-comer 13-3 sleeve pipe formula vapor heat exchanger 13-1, leads to
Heat exchange is crossed, becomes through tedge 13-2 to enter in drum 13-4 after steam water interface and carries out vapor-liquid separation, high temperature is produced high
Saturated vapor (10~13MPa of steam pressure, 311~331 DEG C of vapor (steam) temperature) is pressed, can be entered as needed into steam superheater 15
High-voltage power user is delivered to after row overheat or each low-pressure steam is delivered to after carrying out desuperheat into reducing-and-cooling plant 14, depressurize and used
Family.
The waste water that standpipe bushing type quenching waste heat boiler 13 is produced in process of production is discharged into through periodical blowdown expander 10
Sewage well 11.
The present invention replaces conventional shell-and-tube heat exchanger using bushing type vapor heat exchanger 13-1, substantially increases heat exchange effect
Rate；Conventional flat tube plate structure is replaced using oblate pipe tube sheet 13-8 combinations, oblate pipe tube sheet 13-8 is applied to high pressure occasion, and can
Alleviate thermal expansion influence.
Boiler feedwater temperature after cryogenic heat exchanger 7 reaches 210 DEG C, can significantly shorten boiler feedwater in bushing type steam
Heat-exchange time in heat exchanger 13-1, improves operating efficiency.
25~40m/s of mean flow rate that raw coke oven gas enters in standpipe bushing type quenching boiler 13；Sleeve pipe 13-9 and heat exchanger tube
13-10 annular spaces medium temperature is higher than 324 DEG C, higher than 320 DEG C of heat exchanger tube 13-10 tube wall temperatures (being higher than tar dew-point temperature), energy
Equipment coking amount is enough reduced, extends coke cleaning period.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (6)
1. a kind of coal oven dithio-gas high temperature section heat high efficiente callback device, it is characterised in that including hot precipitator, standpipe sleeve pipe
Formula quenching waste heat boiler, sweet-water tank, oxygen-eliminating device, cryogenic heat exchanger；The standpipe bushing type quenching waste heat boiler is by bushing type
Vapor heat exchanger and drum composition, are connected between bushing type vapor heat exchanger and drum by tedge and down-comer；Bushing type
Air inlet at the top of vapor heat exchanger connects the discharge at the top of coke oven by hot precipitator；The water inlet of drum is passed sequentially through
Cryogenic heat exchanger, boiler feed pump, oxygen-eliminating device and deaerated feedwater pump connection sweet-water tank；Steam (vapor) outlet at the top of drum is by subtracting
Warm decompressor connects low-pressure steam user, or connects high-voltage power user by steam superheater；Bushing type vapor heat exchanger
The sewage draining exit of bottom connects sewage well by periodical blowdown expander.
2. a kind of coal oven dithio-gas high temperature section heat high efficiente callback device according to claim 1, it is characterised in that described
The dedusting ash outlet of hot precipitator connects ash silo in addition.
3. a kind of coal oven dithio-gas high temperature section heat high efficiente callback device according to claim 1, it is characterised in that described
Standpipe bushing type quenching waste heat boiler is made up of bushing type vapor heat exchanger and drum, and bushing type vapor heat exchanger includes upper cigarette
Connect on the outside of case, lower smoke box, sleeve pipe, oblate pipe tube sheet, heat exchanger tube, upper header and lower collector pipe, wherein oblate pipe tube sheet with heat exchanger tube
Connect, sleeve pipe bag is outside heat exchanger tube, and sleeve pipe on the inside of oblate pipe tube sheet with being connected, and oblate pipe tube sheet and upper and lower header in communication are upper and lower
Collector is connected by tedge and down-comer with drum respectively, and the side of drum is provided with water inlet, and the top of drum is provided with steam
Outlet.
4. a kind of coal oven dithio-gas high temperature section heat high efficiente callback device according to claim 3, it is characterised in that described
Thermal insulation layer is provided with upper smoke box.
5. a kind of coal oven dithio-gas high temperature section heat high efficiente callback device according to claim 3, it is characterised in that described
The oblate pipe tube sheet of bushing type vapor heat exchanger uses circular arc or Long Circle.
6. a kind of coal oven dithio-gas high temperature section heat high efficiente callback device according to claim 3, it is characterised in that described
The heat exchanger tube of bushing type vapor heat exchanger is to be cased with sleeve pipe outside 41, and every heat exchanger tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710598480.XA CN107286961A (en) | 2017-07-21 | 2017-07-21 | A kind of coal oven dithio-gas high temperature section heat high efficiente callback device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710598480.XA CN107286961A (en) | 2017-07-21 | 2017-07-21 | A kind of coal oven dithio-gas high temperature section heat high efficiente callback device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107286961A true CN107286961A (en) | 2017-10-24 |
Family
ID=60103230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710598480.XA Pending CN107286961A (en) | 2017-07-21 | 2017-07-21 | A kind of coal oven dithio-gas high temperature section heat high efficiente callback device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107286961A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107965748A (en) * | 2017-12-22 | 2018-04-27 | 中冶焦耐(大连)工程技术有限公司 | A kind of coal oven dithio-gas heat recovery system free of discontinuities |
| CN108036290A (en) * | 2017-12-22 | 2018-05-15 | 中冶焦耐(大连)工程技术有限公司 | A kind of coal oven dithio-gas heat recovery process free of discontinuities |
| CN109611820A (en) * | 2018-12-14 | 2019-04-12 | 江西庞泰环保股份有限公司 | A kind of relieving haperacidity waste heat recovery apparatus and method |
| CN113122292A (en) * | 2021-05-25 | 2021-07-16 | 宝钢湛江钢铁有限公司 | Mechanical arm coke cleaning device for coke oven locomotive and control method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204079875U (en) * | 2014-09-29 | 2015-01-07 | 南京竣业过程机械设备有限公司 | A kind of new Type Coke Oven raw gas waste-heat recovery device |
| CN207047150U (en) * | 2017-07-21 | 2018-02-27 | 中冶焦耐(大连)工程技术有限公司 | A kind of coal oven dithio-gas high temperature section heat high efficiente callback device |
-
2017
- 2017-07-21 CN CN201710598480.XA patent/CN107286961A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204079875U (en) * | 2014-09-29 | 2015-01-07 | 南京竣业过程机械设备有限公司 | A kind of new Type Coke Oven raw gas waste-heat recovery device |
| CN207047150U (en) * | 2017-07-21 | 2018-02-27 | 中冶焦耐(大连)工程技术有限公司 | A kind of coal oven dithio-gas high temperature section heat high efficiente callback device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107965748A (en) * | 2017-12-22 | 2018-04-27 | 中冶焦耐(大连)工程技术有限公司 | A kind of coal oven dithio-gas heat recovery system free of discontinuities |
| CN108036290A (en) * | 2017-12-22 | 2018-05-15 | 中冶焦耐(大连)工程技术有限公司 | A kind of coal oven dithio-gas heat recovery process free of discontinuities |
| CN109611820A (en) * | 2018-12-14 | 2019-04-12 | 江西庞泰环保股份有限公司 | A kind of relieving haperacidity waste heat recovery apparatus and method |
| CN113122292A (en) * | 2021-05-25 | 2021-07-16 | 宝钢湛江钢铁有限公司 | Mechanical arm coke cleaning device for coke oven locomotive and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103131432B (en) | Method for recovering waste heat from coke oven raw gas | |
| CN107286961A (en) | A kind of coal oven dithio-gas high temperature section heat high efficiente callback device | |
| CN102796537B (en) | System and method for recovering superheated steam of waste heat of raw gas of combined coke oven | |
| CN107014218A (en) | Heat power generating system based on coke-oven plant's residual heat and energy integrated utilization | |
| CN206875995U (en) | Heat power generating system based on coke-oven plant's residual heat and energy integrated utilization | |
| CN104031658B (en) | High temperature raw gas waste heat and tar recovery system and recovery method thereof | |
| CN104745233B (en) | Gasification furnace water circulation forms the device of natural water circulation with waste heat boiler integrated | |
| CN106244248B (en) | Coke oven gas cooling-waste heat recovery device and process | |
| CN208594234U (en) | A kind of residual heat heat-exchanging device recycling raw coke over gas riser | |
| CN107420868A (en) | A kind of coal oven dithio-gas high temperature section heat high efficiente callback technique | |
| CN209569040U (en) | A kind of dry coke quenching thermal electric generator again | |
| CN202598485U (en) | Furnace for reheating waste heat steam in steel mill | |
| CN207047150U (en) | A kind of coal oven dithio-gas high temperature section heat high efficiente callback device | |
| CN201772424U (en) | Coke oven gas primary-cooling waste-heat boiler | |
| CN107965748A (en) | A kind of coal oven dithio-gas heat recovery system free of discontinuities | |
| CN106010663A (en) | Coal gasification device with waste boiler | |
| CN209540847U (en) | A kind of Low Pressure Gas Network superhigh temperature steam generator | |
| CN107890684A (en) | A kind of reboiler method negative pressure crude benzol Distallation systm | |
| CN104406144A (en) | Double-medium waste heat boiler | |
| CN111336487A (en) | Coke oven raw gas and waste gas waste heat recycling system | |
| CN104728821A (en) | Ascending pipe raw gas waste heat utilizing boiler system | |
| CN205382137U (en) | Double -boiler stove coarse coal gas cooling dust collector | |
| CN108036290A (en) | A kind of coal oven dithio-gas heat recovery process free of discontinuities | |
| CN106370028A (en) | Coking raw gas waste heat recovery method and apparatus | |
| CN206130943U (en) | Clean steam generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171024 |