CN102287800A - System for producing steam by utilizing coke oven to heat waste gas and waste heat - Google Patents
System for producing steam by utilizing coke oven to heat waste gas and waste heat Download PDFInfo
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- CN102287800A CN102287800A CN2011101549370A CN201110154937A CN102287800A CN 102287800 A CN102287800 A CN 102287800A CN 2011101549370 A CN2011101549370 A CN 2011101549370A CN 201110154937 A CN201110154937 A CN 201110154937A CN 102287800 A CN102287800 A CN 102287800A
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- waste heat
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- economizer
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- 239000002918 waste heat Substances 0.000 title claims abstract description 54
- 239000000571 coke Substances 0.000 title claims abstract description 33
- 239000002912 waste gas Substances 0.000 title abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000007789 gas Substances 0.000 claims description 32
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000003814 drug Substances 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 238000011084 recovery Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 238000004939 coking Methods 0.000 description 10
- 238000012546 transfer Methods 0.000 description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005273 aeration Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 2
- 238000006392 deoxygenation reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000002010 green coke Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000008234 soft water Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 241000242583 Scyphozoa Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention relates to a residual heat utilization technology of a coke oven, and in particular relates to a system for producing steam by utilizing a coke oven to heat waste gas and waste heat. The system provided by the invention comprises a waste heat boiler the upper end of which is connected with a waste gas flue of the coke oven, and the lower end of the waste heat boiler is connected with a chimney by virtue of a draught fan; the interior of the waste heat boiler is successively provided with a superheater, an evaporator, an economizer and a cold water forewarmer from top to bottom, wherein the inlet header of the cold water forewarmer is connected with a demineralized water tank; and the outlet header of the cold water forewarmer is connected with the economizer, the outlet header of the economizer is connected with the evaporator, and the steam outlet of the evaporator is connected with the inlet header of the superheater. The system provided by the invention has the advantages that the process of producing steam is simple, the equipment is easy to arrange, and the floor area is less; and the waste heat boiler adopts a heat recovery device in a spiral fin coil structure, and the heat-changing efficiency is high.
Description
Technical field
The present invention relates to the UTILIZATION OF VESIDUAL HEAT IN technology of coke oven, be specifically related to a kind of system that utilizes coke oven heat exhaust gases waste heat to produce steam.
Background technology
The development that coking industry is accompanied by steel and iron industry develops, and also is one of basic industry of steel and iron industry.Coking industry also is consumption coal rich and influential family simultaneously, (coking energy consumption account for coke-oven plant's energy consumption about 70%), wherein process of coking adds the 45-50% (accounting for coke-stove gas output) that heat consumption accounts for coking output gas production, so coking industry also is the important industry of energy-saving and emission-reduction.
For guaranteeing to produce ripe burnt quality, prevent out green coke, add the heating gas amount increases thereupon.For guaranteeing burning fully, coefficient of excess air is generally all greater than design objective, and this belongs to normal adjusting control range in coking coking heating control procedure.
Many weeks, the design of modern coke oven, though adopted the recovery of heat exhaust gases and utilization (main with the heating checker brick, preheated air or coal gas (blast furnace formula producer gas)), storage heater combustion gas temperature is not more than 390 ℃, in production practices, some producers for guarantee coke quality (guaranteeing out that ripe Jiao does not go out green coke) EGT often be greater than 370 ℃ many, have up to more than 400 ℃, this is the significant wastage to the limited energy.In the key industry according to national energy-saving and emission-reduction, coking industry is exactly a big power consumer.A medium-sized coke-oven plant that produces 600000 tons of metallurgical cokes per year, only the daily coal 2301.4t/ of coking days, 95.89t/ hour, heat consumption was 59451.1800 kilocalories of heats, waste gas is 84931.2NM3/h.
If flue-gas temperature is reduced to 150 ℃ of dischargings by 400 ℃, the heat that is utilized is used to produce 0.3-0.6MPa, 180 ℃ of superheated steams, and steam utilizes in the factory that is incorporated into the power networks.Flue-gas temperature is reduced to 120 ℃ by 150 ℃, and the heat that is utilized is used for the demineralized water that preheating enters oxygen-eliminating device, to reduce the steam consumption of thermal de-aeration.So, will reclaim lot of energy, cut down the consumption of energy.
Summary of the invention
The objective of the invention is to the problem higher at the coke oven exhaust gas temperature, that energy dissipation is bigger, a kind of system that utilizes coke oven heat exhaust gases waste heat to produce steam is provided, thereby effectively reclaims the coke oven exhaust gas energy.
Technical scheme of the present invention is as follows: a kind of system that utilizes coke oven heat exhaust gases waste heat to produce steam, comprise the waste heat boiler that the upper end is connected with the coke oven exhaust gas flue, the lower end of waste heat boiler is connected with chimney by air-introduced machine, and described waste heat boiler inside sets gradually superheater, evaporimeter, economizer, cold water preheater from top to bottom; The inlet header case of cold water preheater is connected with softening water tank, and outlet collection case connects economizer, and the outlet collection case of economizer is connected with evaporimeter, and the steam (vapor) outlet of evaporimeter is connected with the inlet header case of superheater.
Further, the aforesaid system that utilizes coke oven heat exhaust gases waste heat to produce steam, wherein, the heating surface bank that described superheater, evaporimeter, economizer and cold water preheater are adopted is the helical fin tube bank.
Further, the aforesaid system that utilizes coke oven heat exhaust gases waste heat to produce steam wherein, is provided with thermal deaerator between described cold water preheater and softening water tank.
Further, the aforesaid system that utilizes coke oven heat exhaust gases waste heat to produce steam, wherein, the steam-generating bank of described evaporimeter is connected with water separator.
Further, the aforesaid system that utilizes coke oven heat exhaust gases waste heat to produce steam wherein, also is provided with the blow-off pipe that is connected with drainage in the drum of described waste heat boiler, and the chemical feed pipe that is connected with medicine system.
Further, the aforesaid system that utilizes coke oven heat exhaust gases waste heat to produce steam wherein, is provided with temperature sensor and pressure sensor on the water supply pipeline of described waste heat boiler; Import and export flue, economizer and the superheater of waste heat boiler are provided with temperature sensor; The water supply pipeline of waste heat boiler is provided with flow-through orifice, and the jet chimney of superheater is provided with steam-flow orifice.
Beneficial effect of the present invention is as follows: the process that the present invention produces steam is comparatively simple, the equipment easy arrangement, and floor space is few; Waste heat boiler adopts the Influences of Structure of Spiral Finned Tube waste-heat recovery device, conducts heat to be undertaken by the tube wall transmission, and its heat is directly passed to saturation water and carries out heat exchange, say from heat transfer mechanism, water be far longer than the heat transfer coefficient of gas side, heat exchange efficiency height through hot coefficient; The thermal adaptability of fin tube type waste-heat recovery device is good, when heatrejection substantially exceeds design temperature, needn't worry to break down, and production status is normal.
Description of drawings
Fig. 1 produces the systematic schematic diagram of steam for the present invention utilizes coke oven heat exhaust gases waste heat.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is described in detail.
System principle of the present invention as shown in Figure 1, comprise the waste heat boiler 2 that the upper end is connected with coke oven exhaust gas flue 1, the lower end of waste heat boiler 2 is connected with coke oven smokestack 4 by air-introduced machine 3, and described waste heat boiler 2 inside set gradually superheater 5, evaporimeter 6, economizer 7, cold water preheater 8 from top to bottom; The inlet header case of cold water preheater 8 is connected with softening water tank 9, and outlet collection case connects economizer 7, and the outlet collection case of economizer 7 is connected with evaporimeter 6, and the steam (vapor) outlet of evaporimeter 6 is connected with the inlet header case of superheater 5.
Those skilled in the art is to be understood that the schematic diagram that only is shown in Figure 1, does not characterize concrete structure, and superheater 5, evaporimeter 6, economizer 7, cold water preheater 8 all are positioned at the inside of waste heat boiler in the reality.
Air-introduced machine 3 is introduced waste heat boiler 2 upper inlet to flue gas from coke oven exhaust gas flue 1 and is entered, flue gas is successively by behind superheater 5, evaporimeter 6, economizer 7, the cold water preheater 8, outlet is discharged below boiler 2, and through air-introduced machine 3, flue gas enters coke oven smokestack 4 and enters atmosphere.Feedwater enters cold water preheater 8 through behind the thermal de-aeration by feed pump from softening water tank 9, water through preheating enters economizer 7 then, water is heated the back at economizer 7 and draws from outlet collection case and send into the evaporimeter 6, then isolates the superheated steam that saturated vapor is heated into extra pressure and temperature to the superheater 5.
Waste heat boiler heating surface adopts Influences of Structure of Spiral Finned Tube, and the fin tube type waste-heat recovery device is the spiral fin coil group that adopts high-frequency welding, and medium is a soft water in the pipe, is made its evaporation and is produced steam by soft water in the hot waste gas heating tube outside the pipe.The heat transfer of fin tube type waste-heat recovery device is undertaken by the tube wall conduction, and its heat is directly transmitted saturation water and carries out heat exchange.Say that from heat transfer mechanism the heat transfer coefficient of water is far longer than the heat transfer coefficient of gas side, restricted link is at gas side.So fin improves the heat exchange of gas side, total complex heat transfer coefficient will be improved.Moreover it belongs to a heat exchange, thereby the heat exchange efficiency height.The fin tube type waste-heat recovery device is made up of several headers, and each header passes in and out drum separately, the simple natural convection loop of form, that such water circulation system has is reliable and stable, thermal deviation is little, safer, equipment light, take up an area of advantages such as few.The heat exchanger tube of fin tube type waste-heat recovery device can replenish an amount of water for open circuit when temperature is too high, make it keep operate as normal by increasing gas production, avoids the booster phenomenon.The temperature applicability of fin tube type waste-heat recovery device is good, needn't worry to break down when heatrejection substantially exceeds design temperature, and production status is normal.
Specific embodiment to each equipment in the system is described in detail below.
Arrange one group of superheater in the flue of waste heat boiler, superheater is made up of import and export collection case and tube bank.The collection case is made by 219 steel pipe, and the inlet header box material is that 20/GB3087. outlet collection box material is 12CrIM.Tube bank is made up of 38 pipe (12CrIM), and stagger arrangement is arranged.
Arrange four groups of evaporimeters in the flue of waste heat boiler, evaporimeter is made up of import and export collection case and finned-tube bundle, and the collection case is made by 219 steel pipe, and material is 20/GB3087, is built in the flue; Tube bank is made up of 42 finned tube (20/GB3087), and stagger arrangement is arranged.The water supply of evaporator tube group is provided by two 159 concentrated fairlead (20/GB3087), and the fairlead of pipe group also is made up of two 159 concentrated fairlead (20/GB3087) respectively.
Arrange one group of economizer in the flue of waste heat boiler, economize the coal gas device and form by importing and exporting collection case and finned-tube bundle that the collection case is made by 219 steel pipe, material is 20/GB3087; Tube bank is made up of 32 finned tubes (20/GB3087), and stagger arrangement is arranged.
Drum inside at waste heat boiler also is provided with water separator, gives water distribution pipe, blow-off pipe, chemical feed pipe.Water separator is connected with the steam-generating bank of evaporimeter, by orifice plate under water, corrugated sheet and all spiracular plate form.Blow-off pipe is connected with boiler blow-out system, and boiler blow-out system is responsible in time getting rid of the dense water in the boiler, guarantees that stove water water quality satisfies the requirement of operation continuously.Drainage is provided with periodical blowdown.Chemical feed pipe is connected with check of stove water and medicine system, and check of stove water and medicine system meet standard in order to guarantee boiler carbonated drink quality.In addition, also need be equipped with corresponding analytical instrument of water quality.Chemical agent adopts carbonate, adds dose and controlled by online detection instrument.
Before feedwater enters boiler, must remove the dissolved oxygen in anhydrating.Deaerating type of cycles is responsible for after the demineralized water deoxygenation, deliver to the boiler feedwater unit, in conjunction with characteristics of the present invention, this element is selected the thermal de-aeration mode for use, oxygen-eliminating device projected life is 30 years, takes all factors into consideration the control flexibility, carries out factors such as reliability and equipment investment, the thermal deaerator of a disposal ability 25t/h can be set, and deaerated water adopts piping-main scheme.The cold water preheater will feed water and deliver to the boiler economizer inlet from deoxygenation jellyfish pipe, can set two of boiler feed pumps, the using and the reserved, every about 25m3/h of pump discharge, lift 40m.
Thermal technology's detection, adjusting automatically, interlock protection and heat power engineering signal warning device that overall system design of the present invention is more complete, control room should heat the control room with coke oven and be combined into Room consideration.Electric room is arranged DCS rack, power cabinet etc.Electrically operated gate distribution boxs etc. are arranged on the spot.Its automatization level will make operating personnel can finish the monitoring and the stop in emergency operation of some capital equipments at accident condition of the whole thermal parameters under the normal operation work at central control room, and can carry out control, supervision and the adjustment of thermal parameter to therrmodynamic system, unusual service condition is in time reported to the police and carried out accident record, handle there being related parameter to carry out data.
The instrument that system of the present invention was applied to has: pressure, differential pressure transmitter, and element is sent in temperature detection and change, and element is sent in water level detecting and change, boiler vapour water conservation position remote supervision system etc.Control corresponding acquisition function table is as follows:
Claims (6)
1. system that utilizes coke oven heat exhaust gases waste heat to produce steam, it is characterized in that: comprise the waste heat boiler that the upper end is connected with the coke oven exhaust gas flue, the lower end of waste heat boiler is connected with chimney by air-introduced machine, and described waste heat boiler inside sets gradually superheater, evaporimeter, economizer, cold water preheater from top to bottom; The inlet header case of cold water preheater is connected with softening water tank, and outlet collection case connects economizer, and the outlet collection case of economizer is connected with evaporimeter, and the steam (vapor) outlet of evaporimeter is connected with the inlet header case of superheater.
2. the system that utilizes coke oven heat exhaust gases waste heat to produce steam as claimed in claim 1 is characterized in that: the heating surface bank that described superheater, evaporimeter, economizer and cold water preheater are adopted is the helical fin tube bank.
3. the system that utilizes coke oven heat exhaust gases waste heat to produce steam as claimed in claim 1 or 2 is characterized in that: be provided with thermal deaerator between described cold water preheater and softening water tank.
4. the system that utilizes coke oven heat exhaust gases waste heat to produce steam as claimed in claim 1 or 2, it is characterized in that: the steam-generating bank of described evaporimeter is connected with water separator.
5. the system that utilizes coke oven heat exhaust gases waste heat to produce steam as claimed in claim 4 is characterized in that: also be provided with blow-off pipe that is connected with drainage and the chemical feed pipe that is connected with medicine system in the drum of described waste heat boiler.
6. the system that utilizes coke oven heat exhaust gases waste heat to produce steam as claimed in claim 1 or 2 is characterized in that: on the water supply pipeline of described waste heat boiler, be provided with temperature sensor and pressure sensor; Import and export flue, economizer and the superheater of waste heat boiler are provided with temperature sensor; The water supply pipeline of waste heat boiler is provided with flow-through orifice, and the jet chimney of superheater is provided with steam-flow orifice.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101549370A CN102287800A (en) | 2011-06-10 | 2011-06-10 | System for producing steam by utilizing coke oven to heat waste gas and waste heat |
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| CN2011101549370A CN102287800A (en) | 2011-06-10 | 2011-06-10 | System for producing steam by utilizing coke oven to heat waste gas and waste heat |
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| CN102287800A true CN102287800A (en) | 2011-12-21 |
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| CN2011101549370A Pending CN102287800A (en) | 2011-06-10 | 2011-06-10 | System for producing steam by utilizing coke oven to heat waste gas and waste heat |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997691A (en) * | 2012-08-22 | 2013-03-27 | 浙江西子联合工程有限公司 | System and method for generating electricity by using residual heat generated in transformation of coke oven flue waste gas into high-quality waste gas |
| CN103147807A (en) * | 2013-02-27 | 2013-06-12 | 青岛中拓科技有限公司 | Power generation system using waste heat of coke oven crude gas |
| CN103953910A (en) * | 2014-05-16 | 2014-07-30 | 中冶南方工程技术有限公司 | Ammonia water waste heat boiler and technology recycling coke oven flue gas |
| CN103968357A (en) * | 2014-05-16 | 2014-08-06 | 中冶南方工程技术有限公司 | Ammonium hydroxide waste heat boiler and process for recycling sintering flue gas |
| CN103982885A (en) * | 2014-05-15 | 2014-08-13 | 青岛中拓科技有限公司 | System for generating steam by using waste heat of waste gas of tubular furnace |
| CN105135397A (en) * | 2015-08-27 | 2015-12-09 | 无锡华虹信息科技有限公司 | Waste smoke heat recovery system and application method thereof |
| CN105984910A (en) * | 2015-02-03 | 2016-10-05 | 上海华林工业气体有限公司 | Oxygen removal device for deaerator used for hydrogen production |
| CN106439769A (en) * | 2016-09-07 | 2017-02-22 | 华中科技大学 | Flow control method for heating heated fluid in stages by adopting heat exchange system |
| CN106989611A (en) * | 2017-05-18 | 2017-07-28 | 中冶华天南京工程技术有限公司 | A kind of coke-stove gas and dry coke quenching residual heat integrative electricity generation system |
| CN107014218A (en) * | 2017-05-18 | 2017-08-04 | 中冶华天南京工程技术有限公司 | Heat power generating system based on coke-oven plant's residual heat and energy integrated utilization |
| CN109282575A (en) * | 2018-07-25 | 2019-01-29 | 上海柯来浦能源科技有限公司 | A kind of follow-on hydrogen mixed working fluid afterheat utilizing system |
| CN109913621A (en) * | 2019-03-30 | 2019-06-21 | 东阳市恒业钢带有限公司 | A kind of air-cooled heat recovery apparatus of spheroidizing annealing furnace |
| CN115307334A (en) * | 2022-08-08 | 2022-11-08 | 安徽工程大学 | Multi-heat-source heat pump air conditioning system and operation control method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2649951Y (en) * | 2003-10-28 | 2004-10-20 | 成都希望电子研究所 | Steam generator using waste heat of coking smoke |
| CN201754032U (en) * | 2010-09-30 | 2011-03-02 | 天壕节能科技股份有限公司 | Waste heat boiler for flue gas of electric furnace |
| CN201754033U (en) * | 2010-09-30 | 2011-03-02 | 天壕节能科技股份有限公司 | Waste heat boiler for tunnel kiln fume |
| CN201772424U (en) * | 2009-12-21 | 2011-03-23 | 中国船舶重工集团公司第七�三研究所 | Coke oven gas primary-cooling waste-heat boiler |
-
2011
- 2011-06-10 CN CN2011101549370A patent/CN102287800A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2649951Y (en) * | 2003-10-28 | 2004-10-20 | 成都希望电子研究所 | Steam generator using waste heat of coking smoke |
| CN201772424U (en) * | 2009-12-21 | 2011-03-23 | 中国船舶重工集团公司第七�三研究所 | Coke oven gas primary-cooling waste-heat boiler |
| CN201754032U (en) * | 2010-09-30 | 2011-03-02 | 天壕节能科技股份有限公司 | Waste heat boiler for flue gas of electric furnace |
| CN201754033U (en) * | 2010-09-30 | 2011-03-02 | 天壕节能科技股份有限公司 | Waste heat boiler for tunnel kiln fume |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997691A (en) * | 2012-08-22 | 2013-03-27 | 浙江西子联合工程有限公司 | System and method for generating electricity by using residual heat generated in transformation of coke oven flue waste gas into high-quality waste gas |
| CN103147807A (en) * | 2013-02-27 | 2013-06-12 | 青岛中拓科技有限公司 | Power generation system using waste heat of coke oven crude gas |
| CN103147807B (en) * | 2013-02-27 | 2015-01-14 | 青岛中拓科技有限公司 | Power generation system using waste heat of coke oven crude gas |
| CN103982885A (en) * | 2014-05-15 | 2014-08-13 | 青岛中拓科技有限公司 | System for generating steam by using waste heat of waste gas of tubular furnace |
| CN103953910A (en) * | 2014-05-16 | 2014-07-30 | 中冶南方工程技术有限公司 | Ammonia water waste heat boiler and technology recycling coke oven flue gas |
| CN103968357A (en) * | 2014-05-16 | 2014-08-06 | 中冶南方工程技术有限公司 | Ammonium hydroxide waste heat boiler and process for recycling sintering flue gas |
| CN103953910B (en) * | 2014-05-16 | 2016-03-02 | 中冶南方工程技术有限公司 | A kind of ammoniacal liquor waste heat boiler and technique reclaiming flue gases of cock oven |
| CN105984910A (en) * | 2015-02-03 | 2016-10-05 | 上海华林工业气体有限公司 | Oxygen removal device for deaerator used for hydrogen production |
| CN105135397B (en) * | 2015-08-27 | 2017-08-29 | 宜兴市海纳环境工程有限公司 | A kind of flue gas heat recovery system and its application process |
| CN105135397A (en) * | 2015-08-27 | 2015-12-09 | 无锡华虹信息科技有限公司 | Waste smoke heat recovery system and application method thereof |
| CN106439769A (en) * | 2016-09-07 | 2017-02-22 | 华中科技大学 | Flow control method for heating heated fluid in stages by adopting heat exchange system |
| CN106439769B (en) * | 2016-09-07 | 2018-05-18 | 华中科技大学 | It is a kind of using heat-exchange system to the flow control methods that are heated stage by stage by heating fluid |
| CN106989611A (en) * | 2017-05-18 | 2017-07-28 | 中冶华天南京工程技术有限公司 | A kind of coke-stove gas and dry coke quenching residual heat integrative electricity generation system |
| CN107014218A (en) * | 2017-05-18 | 2017-08-04 | 中冶华天南京工程技术有限公司 | Heat power generating system based on coke-oven plant's residual heat and energy integrated utilization |
| CN107014218B (en) * | 2017-05-18 | 2023-10-31 | 中冶华天南京工程技术有限公司 | Thermal power generation system based on waste heat and complementary energy integrated utilization of coking plant |
| CN106989611B (en) * | 2017-05-18 | 2023-11-24 | 中冶华天南京工程技术有限公司 | Coke oven gas and dry quenching waste heat comprehensive power generation system |
| CN109282575A (en) * | 2018-07-25 | 2019-01-29 | 上海柯来浦能源科技有限公司 | A kind of follow-on hydrogen mixed working fluid afterheat utilizing system |
| CN109913621A (en) * | 2019-03-30 | 2019-06-21 | 东阳市恒业钢带有限公司 | A kind of air-cooled heat recovery apparatus of spheroidizing annealing furnace |
| CN115307334A (en) * | 2022-08-08 | 2022-11-08 | 安徽工程大学 | Multi-heat-source heat pump air conditioning system and operation control method thereof |
| CN115307334B (en) * | 2022-08-08 | 2024-01-26 | 安徽工程大学 | Multi-heat source heat pump air conditioning system and operation control method thereof |
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