CN101852555A - Integrated waste heat generating and heating system and process flow thereof - Google Patents

Integrated waste heat generating and heating system and process flow thereof Download PDF

Info

Publication number
CN101852555A
CN101852555A CN200910080777A CN200910080777A CN101852555A CN 101852555 A CN101852555 A CN 101852555A CN 200910080777 A CN200910080777 A CN 200910080777A CN 200910080777 A CN200910080777 A CN 200910080777A CN 101852555 A CN101852555 A CN 101852555A
Authority
CN
China
Prior art keywords
heat
boiler
waste heat
enters
steam
Prior art date
Application number
CN200910080777A
Other languages
Chinese (zh)
Inventor
童裳慧
Original Assignee
童裳慧
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 童裳慧 filed Critical 童裳慧
Priority to CN200910080777A priority Critical patent/CN101852555A/en
Publication of CN101852555A publication Critical patent/CN101852555A/en

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/15On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply

Abstract

The invention discloses a waste heat generating equipment system and a waste heat generating process. The system comprises a ceramic fiber dust collector (2), a rapid heat conducting heat-pipe waste heat boiler (3), a rapid heat conducting heating device (4), a steam replenishing and condensing steam turbine (6), a condenser (8), a condensing water pump (9) and a vacuum deaerator (10), wherein ceramic fiber dust collector (2) is arranged at a waste heat outlet end; the rapid heat conducting heat-pipe waste heat boiler (3) bears a steam preparing device for power generation; the rapid heat conducting heating device (4) is arranged on the smoke inlet of a boiler; medium and high-pressure main steam generated by a rapid heat conducting heat-pipe waste heat boiler is mixed and enters the steam replenishing and condensing steam turbine (6) through a pipeline; low-pressure steam enters the steam replenishing and condensing steam turbine (6) through a steam replenishing pipeline; waste steam on the tail part of the steam turbine enters the condenser (8); condensed water enters the vacuum deaerator (10) through the condensing water pump (9) and a pipeline; water from which oxygen is removed in the deaerator enters the heat-pipe waste heat boiler (3) through a water supply pump of the boiler; and low-temperature smoke discharged from the back end of the boiler is delivered into the rapid heat conducting heating device (4). The waste heat utilization ratio of the integrated system is enhanced by over 60 percent on average, so unit energy consumption of an enterprise is greatly lowered, the problem of unstable running of the system due to dust blocking of the boiler and wearing of a heat exchange tube in a medium and low temperature waste heat generating system is solved and comprehensive generating efficiency is enhanced by over 30 percent.

Description

Cogeneration and heating integrated system and technological process thereof
Technical field:
The present invention relates to middle and low temperature waste heat power generation and high-temperature dust removal material technology field, be applicable to that the middle low-temperature flue gas waste heat that produces in metallurgy, cement, building materials, chemical industry and the ceramic industry production process utilizes, and is specially adapted to cogeneration and heating integrated device systems and technological process.
Technical background:
Industrial enterprise's whole days such as cement, metallurgy, building materials, chemical industry, pottery are outwards discharged usable afterheat resources such as middle low-temperature flue gas about 250-650 ℃, steam, hot water.During this part resource that emits in vain belongs to, low temperature exhaust heat.If recycle, the annual huge energy that produces has been equivalent to rediscover a world-class big colliery.
At present, for the residual heat resources that aforesaid industry production process produces, utilizing roughly has dual mode: a kind of is heat utilization, directly utilizes its heat energy for producing or living needs, and its utilization rate is very low; Another kind is to utilize residual heat resources to convert thereof into electric energy, it is at present main that what adopt is that band additional combustion boiler or pure low temperature is not with the cogeneration technology of afterburning, these two kinds of technology are both advantageous and disadvantageous, produce saturated vapor or hot water as cogeneration technology general using heat exchanger with additional combustion boiler, with fuel saturated vapor or hot water are heated in additional combustion boiler than higher parameter then, send electricity by the Turbo-generator Set of routine again and come.The shortcoming of this technology is clearly: owing to used additional combustion boiler, so whole system more complicated, fluctuation of service and operating cost are very high, strengthen contamination factor (sulphur emissions etc.) when production system produces pollution, must waste non-renewable resources such as coal.And pure low temperature is with the cogeneration technology of afterburning, and UTILIZATION OF VESIDUAL HEAT IN efficient is generally undesirable, and the waste heat conversion efficiency is low, and generated energy is few, and investment is big.
All there are not following three problems in the cogeneration technology and the pure low temperature of band additional combustion boiler at present with the cogeneration technology of afterburning: 1. heat-transfer pipe is often blocked up by ash; the efficient of long slightly waste heat boiler of time just progressively reduces; until satisfying the generating needs; and this process just may take place once in about about three months-six months at present; cause system must not on-line maintenance 2. heat-transfer pipe by particle flushing time one length wearing and tearing will be taken place so that leak; cause systemic breakdown, even influence the safety and the normal operation of production line.(as cement producing line cogeneration, just may produce this problem about half a year approximately) 3. generally about 150 ℃, just be discharged into atmosphere through the flue gas after the cogeneration utilization, the low temperature exhaust heat of being put by steam power plant accounts for about 30% of whole residual heat resources, and this part of waste heat all not can not get effective utilization in the system with the cogeneration technology of afterburning at the cogeneration technology of above-mentioned band additional combustion boiler and pure low temperature.4. the flue gas of part kiln contains fuel gas, and based on carbon monoxide and hydrogen, these two kinds of gases have high quick-fried property, will be explosion caused if there is air to enter, and because of also causing part should build the waste heat project, must not abandon this security reason.
Summary of the invention:
Be four defectives and the problem that overcomes technical existence as mentioned above, the purpose of this invention is to provide a kind of cogeneration and heating integrated device systems and technological process, make the middle low-temperature flue gas waste heat energy in industrial production fields such as cement, metallurgy, iron and steel, chemical industry, pottery be able to more efficient utilization, the residual heat integrative utilization ratio is reached more than 80%, stop the generation of problems such as heat-transfer pipe wearing and tearing, ash are stifled, blast simultaneously, reduce the equipment failure rate of afterheat generating system, improve the operational efficiency and the security of system.
For realizing above-mentioned this goal of the invention, the present invention adopts following technical scheme:
Described cogeneration and heating integrated device systems and technology have the ceramic fibre hot precipitator that is arranged on the waste heat boiler front end, and the middle low-temperature flue gas about 250-650 ℃ is converted into the flue gas that totally and does not contain particle after dedusting; Flue gas generates mesohigh steam through very fast heat-conducting heat pipe type boiler of power generation by waste heat, and the mesohigh main steam enters the filling condensing turbine by pipeline after mixing, and low-pressure steam is mended into steam turbine through gas filling pipeline; The exhaust steam of steam turbine afterbody enters condenser, and condensate water enters vacuum dust cather by condensate pump and pipeline, and the water in oxygen-eliminating device after deoxygenation enters boiler by boiler feed pump; About 150 ℃ the low-temperature flue gas that discharges after the utilization of very fast heat-conducting heat pipe type boiler of power generation by waste heat enters very fast heat-conducting heating installation, sends into heating system after producing about 80 ℃ hot water, and about 80 ℃ flue gas is directly discharged through chimney simultaneously.
Described cogeneration and heating integrated device systems and technology, its very fast heat-conducting heat pipe type waste heat boiler that is arranged on the waste heat port of export adopts vertical Natural Circulation, core component adopts very fast heat conduction heat pipe, has the efficient height, characteristics such as fast of conducting heat, and is a kind of new and effective heat transfer element.The vaporization of conventional water-tube boiler water is carried out in water pipe, and the water boiling is easy to generate the heat transfer wild effect in the water pipe, and the vaporization of very fast heat-conducting heat pipe type waste heat boiler water is to seethe with excitement in the drum outside pipe.Conventional boiler can only lean on the water pipe inner surface to heat transfer water, and heat pipe can be with fin or fin, heat transfer area is then much larger than water pipe, the heat exchange element of very fast heat-conducting heat pipe type waste heat boiler is single independent heat pipe, its overall structure is simple, there are indivedual heat pipes to be damaged, do not influence the operation of whole boiler, easy to maintenance.Have following characteristics:
1. heat pipe is connected with the dismountable of special seal that be connected to of pot body, the novel structure uniqueness, as long as change wherein single or part, design had both made things convenient for the maintenance and the maintenance of equipment like this, had also improved the investment economy of equipment if any damaging.
2. according to the difference of operating mode and the composition of smoke chemistry composition, heat pipe bottom endotherm section can be the light pipe formula and also can be designed to finned.
3. the heat pipe heat release section is directly inserted in pot body, has both reduced heat exchange intermediate link, has reduced the outfit of equipment height again, and factory building height also is minimized, thereby has reduced gross investment.
4. long service life, operation maintenance is simple, and labor strength is low, and security performance is good.The membrane type heating surface has two drums; Flue gas pipeline is from top to bottom by boiler, successively through being arranged in high-pressure superheater, the high pressure evaporator of boiler internal, low-pressure superheater, low pressure evaporator and common heater; Be provided with corresponding natural subsidence ash handling equipment before the kiln hood waste heat boiler; The heat-transfer pipe of kiln hood boiler is a spiral fin coil.
Described cogeneration and heating integrated device systems and technology; its very fast heat-conducting heat pipe type waste heat boiler heat-transfer pipe that is arranged on waste heat outlet according to the band fin with not with the isostructural different all types of pulsed blowing devices that are provided with of fin; shown in figure (2): after flue gas enters ceramic deduster; inner source of the gas as pulse gas adopts helium, gas-filled protective gas and air inducing arbor envelope gas before and after stopping transport as winding-up usefulness gas, all flues with helium.Come secluding air to enter whole afterheat generating system by this technology, prevent the gas detonation and because of carbon monoxide and the too high blast that causes of hydrogen content to reach.Flue gas is carried with flue and deduster casing and waste heat boiler heat producing box and is partly all adopted fit sealing, comprises all instrumentation taps, manhole, top cover, flange, prevents that air from entering.Ceramic fibre deduster bottom ash bucket adopts nitrogen locking rotary valve, and per tour time ash discharge once guarantees excellent sealing and prevents that air from entering system from ash bucket.On ceramic fibre deduster casing and waste heat boiler heat-obtaining casing, high explosion proof door is housed, independent split equipment front and back ends such as ceramic fibre deduster, waste heat boiler are provided with bypass, when oxygen content in the system surpassed 3.2%, system's incision bypass automatically guaranteed that main equipment normally moves.
The technological process of described middle and low temperature waste heat power generation and heating integrated system, 150 ℃ of left and right sides flue gases after coming out from waste heat boiler enter very fast heat-conducting heat pipe type heating installation, produce about 80 ℃ heating hot water, and hot water is sent through the heating pipeline system.
Owing to adopted technical scheme as mentioned above, the present invention has following superiority:
This cogeneration and heating integrated device systems and technology; because it has adopted very fast heat-conducting heat pipe type waste heat boiler; significantly improving UTILIZATION OF VESIDUAL HEAT IN efficient; improve boiler efficiency; stopped of the generation of traditional waste heat boiler because of heat-transfer pipe wearing and tearing initiating system paralysis problem; simultaneously because adopt the ceramic fibre hot precipitator; dust content is controlled within the 50mg/m3; so the stifled probability of ash reduces greatly; thereby improve the stability of whole afterheat generating system; guarantee continuous reliability of operation; and use gas as jetting with helium; gas-filled protective gas and air inducing arbor envelope gas before and after all flues are stopped transport; come secluding air to enter whole afterheat generating system by this technology, prevent the gas detonation and because of carbon monoxide and the too high blast that causes of hydrogen content to reach.In addition on the one hand, generating can be carried out synchronously with heating, as cogeneration of heat and power, the utilization ratio of residual heat resources is surpassed more than 80%, further reduces the operation and the production cost of manufacturing enterprise.Technique scheme can be according to the configuration of operating mode Adjustment System equipment, and optimal operating parameter is guaranteed in adjustable systematic parameter design.
Because technique scheme 100% is utilized useless flue gas generating and heating; greatly reduce the production cost of thermal pollution and manufacturing enterprise; with 25000T/D dry cement production line auxiliary construction pure low-temperature cogeneration project is example; be equivalent to burn less every year 2.5 ten thousand tons of coals; lack 3.8 ten thousand tons of carbon dioxide of discharging in atmosphere; be beneficial to environmental protection, improved Enterprises'Competitiveness and corporate image when reducing production costs, the development that is really following green recycling economy moves ahead.
Technique scheme is provided with flue gas, steam turbine bypass system, even when boiler or steam turbine break down, does not also influence the steady production of production line.
The operation of cogeneration and heating system to production process without any influence.This cogeneration and heating system can be with good conditionsi at home more than 90% pressure vessel factory M/B, equipment investment is lower, has good investment economy.Along with the further popularization and the enforcement of national strategies such as energy-saving and emission-reduction and policy, above-mentioned technology has extraordinary popularization and development prospect in fields such as high energy consumptions.
The drawing explanation:
Fig. 1 is cogeneration and heating integrated device systems and technology and process chart
As shown in fig. 1: 1 one kilns, 2 one ceramic fibre dedusters, 3 one heat pipe waste heat boilers, 4 one residual heat heating devices, 5 one chimneys, 6 one steam turbines, 7 one generators, 8 one condensers, 9 one water pumps, 10 1 vacuum dust cathers, 11 1 water pumps, 12 1 cooling towers.
Fig. 2 is a protectiveness nitrogen device schematic flow sheet in cogeneration and heating integrated device systems and the technological process
As shown in Figure 2: 1 one kilns, 2 one dedusters, 3 one ash buckets, 4 one heat pipe waste heat boilers, 5 one heat pipe supplying heat devices, 6 one high temperature draught fan, 7 one chimneys, 8 one nitrogen, 9 one nitrogen heaters.
The specific embodiment:
As shown in Fig. 1,2: cogeneration and heating integrated device systems and technology, heat pipe waste heat boiler (3) with undertake the whole thing heating function and generation low pressure steam of being arranged on exhanst gas outlet; The mesolow main steam that waste heat boiler generated enters filling condensing turbine (6) by pipeline after mixing, low-pressure steam is mended into steam turbine through gas filling pipeline: the exhaust steam of steam turbine afterbody enters condenser (8), condensate water enters vacuum dust cather (10) by condensate pump (9) and pipeline, and the water in oxygen-eliminating device after deoxygenation enters boiler by boiler feed pump (9); Waste gas after the heat exchange enters residual heat heating device (4) by the road, discharges through chimney (5).Import and export section at the boiler that is entering deduster, shown in Fig. 2: flue gas nitrogen (8) and nitrogen heater (9) in Fig. 2 are protected, to avoid occurring the generation of fortuitous events such as quick-fried gas or detonation.
Demineralized water enters kiln hood waste heat boiler (3) by feed pump (9), and the steam that waste heat boiler produces enters filling condensing turbine (6) respectively, enters in the condenser (8) after the steam acting and condenses into water, and condensate water enters waste heat boiler by feed pump (9).

Claims (11)

1. cogeneration and heating integrated device systems and technology that is applicable to metallurgy industry kiln and cement and glass furnace, it is characterized in that: described cogeneration and heating integrated device systems have the very fast heat-conducting type heat pipe waste heat boiler (3) that generates mesohigh steam of bearing that is arranged on the waste heat port of export; Be arranged on the ability 8000c ceramic fibre hot precipitator (2) of waste heat boiler front end; Be arranged on the very fast heat-conducting type heat pipe-type heating installation (4) of waste heat boiler rear end; Flue gas removes dust and particle through the ceramic fibre hot precipitator; Dust content generates mesohigh steam less than the flue gas of 50mg/m3 through very fast heat-conducting type heat pipe waste heat boiler; Mesohigh steam enters filling condensing turbine (6) by gas pipeline; The exhaust steam of steam turbine afterbody enters condenser (8), and condensate water enters vacuum dust cather (10) by condensate pump (9) and pipeline, and the water in oxygen-eliminating device after deoxygenation enters boiler by boiler feed pump; Reducing to flue gas about 1500c through boiler of power generation by waste heat directly enters the heating hot water that the heat pipe-type heating installation produces about 800c and enters heating system; 800c left and right sides flue gas is discharged through chimney (5).
2. cogeneration as claimed in claim 1 and heating integrated device systems and technology is characterized in that: described middle and low temperature waste heat power generation device systems is provided with the ceramic fibre deduster at heat pipe type waste heat boiler front end; Ceramic fibre deduster efficiency of dust collection reaches 99.99%; The ceramic fibre deduster reaches more than 8 years service life.
3. cogeneration as claimed in claim 1 and heating integrated device systems and technology, it is characterized in that: ceramic fibre dedusting material is mixed by 30% pottery to be made after 60% fibre object and other high-temperature adhesives are shaped at a certain temperature, high temperature resistant reach 800 degrees centigrade, do not burn, the filter efficiency height, filter the high energy of back emission gases concentration and be low to moderate 1mg/m3, the filtering accuracy height, can filter diameter less than 1 micron grit, can use 8 years and need not change chemical attacks such as strong alkali-acid resistance.
4. described middle and low temperature waste heat power generation device systems, its waste heat boiler (3) that is arranged on smoke outlet adopts thermoae fast heat pipe to make heat-transfer pipe, cigarette one vapour separate design, flue gas be in very fast heat pipe lower end operation, water in drum directly with very fast heat pipe on end in contact; Very fast heat pipe is a hermetically-sealed construction, is special heat transfer medium in the pipe, does not leak water in the pipe.
5. cogeneration as claimed in claim 1 and heating integrated device systems and technology, it is characterized in that: the very fast heat-conducting type residual heat heating device (4) of described cogeneration and heating integrated system is to utilize the waste gas about 150 ℃ to become living 80 ℃ hot water after heat exchange, and 80 ℃ hot water is made heating heat by the original or newly-built heating system of pump introducing and warmed up usefulness.The residue low temperature waste gas enters atmosphere by chimney (5).
6. the technological process of cogeneration as claimed in claim 1 and heating integrated system equipment, it is characterized in that: the technological process of described middle and low temperature waste heat power generation and heating integrated system: the waste gas of the about 280-6500C that comes out from kiln (1) enters the ceramic fibre hot precipitator dust content is controlled in the 50mg/m3, stops the stifled heat-transfer pipe of ash and avoids the wearing and tearing of particle to heat-transfer pipe; The " clean " exhaust gas that comes out from ceramic fibre hot precipitator (2) enters very fast heat-conducting heat pipe type waste heat boiler (3); The mesohigh steam that waste heat boiler produces enters steam turbine by steam transmitting pipe; Steam carries out power conversion in steam turbine, the steam turbine drawing generator generates electricity; Exhaust steam after the acting enters condenser (8), and condensate water then enters vacuum dust cather (10) by gland heater, sends into waste heat boiler by feed pump (9) then; The waste heat boiler sewer enters respectively by blow-off line decides row's flash vessel and platoon flash vessel, arranges the interior sewage of flash vessel and platoon flash vessel surely and enters supporting cooling tank; The exhaust steam of steam turbine afterbody becomes condensed water after the condenser cooling, feedwater successively through heater, low pressure evaporator, low-pressure superheater, high pressure evaporator, high-pressure superheater, is carried out reverse heat convection with flue gas; Feedwater enters boiler-steam dome after heater is heated as saturated hot-water; Low-temperature flue gas through about the 1500C after the residual heat boiler for exchanging heat enters very fast heat-conducting type heating installation, and the hot water that generates about 800C is sent into the hot duct system.
7. the technological process of cogeneration as claimed in claim 1 and heating integrated system equipment; it is characterized in that: after flue gas enters ceramic deduster; inner source of the gas as pulse gas adopts helium, gas-filled protective gas and air inducing arbor envelope gas before and after stopping transport as winding-up usefulness gas, all flues with helium.Come secluding air to enter whole afterheat generating system by this technology, prevent the gas detonation and because of carbon monoxide and the too high blast that causes of hydrogen content to reach.
8. the technological process of cogeneration as claimed in claim 1 and heating integrated system equipment, it is characterized in that: flue gas is carried with flue and deduster casing and waste heat boiler heat producing box and is partly all adopted fit sealing, comprise all instrumentation taps, manhole, top cover, flange, prevent that air from entering.
9. the technological process of cogeneration as claimed in claim 1 and heating integrated system equipment, it is characterized in that: ceramic fibre deduster bottom ash bucket adopts nitrogen locking rotary valve, per tour time ash discharge once guarantees excellent sealing and prevents that air from entering system from ash bucket.
10. the technological process of cogeneration as claimed in claim 1 and heating integrated system equipment is characterized in that: on ceramic fibre deduster casing and waste heat boiler heat-obtaining casing high explosion proof door is housed.
11. the technological process of cogeneration as claimed in claim 1 and heating integrated system equipment, it is characterized in that: independent split equipment front and back ends such as ceramic fibre deduster, waste heat boiler are provided with bypass, when oxygen content in the system surpasses 3.2%, system's incision bypass automatically guarantees that main equipment normally moves.
CN200910080777A 2009-03-30 2009-03-30 Integrated waste heat generating and heating system and process flow thereof CN101852555A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200910080777A CN101852555A (en) 2009-03-30 2009-03-30 Integrated waste heat generating and heating system and process flow thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200910080777A CN101852555A (en) 2009-03-30 2009-03-30 Integrated waste heat generating and heating system and process flow thereof

Publications (1)

Publication Number Publication Date
CN101852555A true CN101852555A (en) 2010-10-06

Family

ID=42804154

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200910080777A CN101852555A (en) 2009-03-30 2009-03-30 Integrated waste heat generating and heating system and process flow thereof

Country Status (1)

Country Link
CN (1) CN101852555A (en)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102183010A (en) * 2011-03-14 2011-09-14 西安华新能源工程有限公司 Biomass power generation steam-water system having function of flue gas waste heat recovery
CN102401577A (en) * 2011-11-14 2012-04-04 张秋玲 Kiln with smoke dust separation device-containing waste heat utilization system
CN102401591A (en) * 2011-11-21 2012-04-04 昆明理工大学 Vertical heat pipe organic medium evaporation medium and low temperature flue gas waste heat power generation system
CN102635413A (en) * 2012-04-18 2012-08-15 山西太钢不锈钢股份有限公司 Method for improving efficiency of saturated waste-heat power generator set
CN102721222A (en) * 2012-06-07 2012-10-10 何秀锦 System for recovering waste heat of process cooling water
CN102889630A (en) * 2012-09-29 2013-01-23 华北电力大学 Low-grade heating system provided with novel heat supply turbine and operating and regulating method thereof
CN102927547A (en) * 2012-11-06 2013-02-13 华北水利水电学院 Heat pipe type organic working medium falling film evaporation low-temperature exhaust heat utilization system
CN103758594A (en) * 2013-11-06 2014-04-30 北京中科华誉能源技术发展有限责任公司 System for generating electricity by hot water generated by hot-water boiler and through expander
CN104406438A (en) * 2014-12-03 2015-03-11 北京中科华誉能源技术发展有限责任公司 Wastewater waste heat recovery device based on radiant heat pipe
CN104606971A (en) * 2015-01-27 2015-05-13 中冶东方工程技术有限公司 Waste heat recycling type deduster
CN104913656A (en) * 2015-06-29 2015-09-16 安徽省安庆市皖清环保科技有限公司 De-dusting and heat-absorbing device for high-temperature fuel gas
CN104912755A (en) * 2015-06-10 2015-09-16 中国华电工程(集团)有限公司 Fresnel type solar photo-thermal and natural gas combined power generating system
CN105066719A (en) * 2015-08-31 2015-11-18 山东省环能设计院有限公司 Waste heat power generation system based on comprehensive utilization of waste gas
CN105180666A (en) * 2015-09-06 2015-12-23 北京工业大学 Single screw expander based power generation-heat supply combination system capable of recycling waste heat of exhaust gas of lime kiln
CN105948355A (en) * 2016-06-15 2016-09-21 安徽省绿巨人环境技术有限公司 Secondary recycling mechanism for industrial wastewater
CN106051800A (en) * 2016-06-14 2016-10-26 镇江市电站辅机厂有限公司 Energy-saving and environment-friendly two-circuit parallel type smoke waste heat recycling device and method
CN110478986A (en) * 2019-08-08 2019-11-22 季叶荣 A kind of industrial high temperature waste gas residual heat collection device avoiding corrosive pipeline
WO2020029044A1 (en) * 2018-08-06 2020-02-13 江苏东九重工股份有限公司 Flue gas waste heat recovery boiler for rotary hearth furnace

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102183010A (en) * 2011-03-14 2011-09-14 西安华新能源工程有限公司 Biomass power generation steam-water system having function of flue gas waste heat recovery
CN102401577A (en) * 2011-11-14 2012-04-04 张秋玲 Kiln with smoke dust separation device-containing waste heat utilization system
CN102401591A (en) * 2011-11-21 2012-04-04 昆明理工大学 Vertical heat pipe organic medium evaporation medium and low temperature flue gas waste heat power generation system
CN102635413A (en) * 2012-04-18 2012-08-15 山西太钢不锈钢股份有限公司 Method for improving efficiency of saturated waste-heat power generator set
CN102721222A (en) * 2012-06-07 2012-10-10 何秀锦 System for recovering waste heat of process cooling water
CN102889630A (en) * 2012-09-29 2013-01-23 华北电力大学 Low-grade heating system provided with novel heat supply turbine and operating and regulating method thereof
CN102889630B (en) * 2012-09-29 2015-01-07 华北电力大学 Low-grade heating system provided with novel heat supply turbine and operating and regulating method thereof
CN102927547A (en) * 2012-11-06 2013-02-13 华北水利水电学院 Heat pipe type organic working medium falling film evaporation low-temperature exhaust heat utilization system
CN103758594A (en) * 2013-11-06 2014-04-30 北京中科华誉能源技术发展有限责任公司 System for generating electricity by hot water generated by hot-water boiler and through expander
CN103758594B (en) * 2013-11-06 2015-05-20 北京中科华誉能源技术发展有限责任公司 System for generating electricity by hot water generated by hot-water boiler and through expander
CN104406438B (en) * 2014-12-03 2016-02-03 北京中科华誉能源技术发展有限责任公司 A kind of waste water heat recovering equipment based on radiant type heat pipe
CN104406438A (en) * 2014-12-03 2015-03-11 北京中科华誉能源技术发展有限责任公司 Wastewater waste heat recovery device based on radiant heat pipe
CN104606971A (en) * 2015-01-27 2015-05-13 中冶东方工程技术有限公司 Waste heat recycling type deduster
CN104912755A (en) * 2015-06-10 2015-09-16 中国华电工程(集团)有限公司 Fresnel type solar photo-thermal and natural gas combined power generating system
CN104913656A (en) * 2015-06-29 2015-09-16 安徽省安庆市皖清环保科技有限公司 De-dusting and heat-absorbing device for high-temperature fuel gas
CN104913656B (en) * 2015-06-29 2017-01-25 艾能赛克机械设备(江苏)有限公司 De-dusting and heat-absorbing device for high-temperature fuel gas
CN105066719A (en) * 2015-08-31 2015-11-18 山东省环能设计院有限公司 Waste heat power generation system based on comprehensive utilization of waste gas
CN105066719B (en) * 2015-08-31 2017-06-20 山东省环能设计院股份有限公司 Waste gas comprehensively utilizes afterheat generating system
CN105180666A (en) * 2015-09-06 2015-12-23 北京工业大学 Single screw expander based power generation-heat supply combination system capable of recycling waste heat of exhaust gas of lime kiln
CN106051800A (en) * 2016-06-14 2016-10-26 镇江市电站辅机厂有限公司 Energy-saving and environment-friendly two-circuit parallel type smoke waste heat recycling device and method
CN105948355A (en) * 2016-06-15 2016-09-21 安徽省绿巨人环境技术有限公司 Secondary recycling mechanism for industrial wastewater
WO2020029044A1 (en) * 2018-08-06 2020-02-13 江苏东九重工股份有限公司 Flue gas waste heat recovery boiler for rotary hearth furnace
CN110478986A (en) * 2019-08-08 2019-11-22 季叶荣 A kind of industrial high temperature waste gas residual heat collection device avoiding corrosive pipeline

Similar Documents

Publication Publication Date Title
RU2501958C2 (en) Method of energy generation by means of thermodynamic cycles with water vapour of high pressure and moderate temperature
EP3064841B1 (en) Gas steam combined cycle central heating device
US6073445A (en) Methods for producing hydro-electric power
CN201280956Y (en) Flue gas waste heat recovering and generating set
SE531872C2 (en) Procedure for incremental energy conversion
CN103644743B (en) Combination system for efficiently using waste heat in iron mine sintering cooling process
CN104180675B (en) Heating furnace residual heat integrative utilizes electricity generation system
CN103234362B (en) Device and process for generating power through efficient recovery of waste heat of sintered ores
CN101787906B (en) Solar energy and biomass energy integrated complementary combined thermal power generating system
CN201218660Y (en) Power generation apparatus by waste heat of sintering production
CN102012167B (en) System and method for power generating by jointly recovering waste heat of flue gas of sintering machine and exhaust gas of cooling machine
CN203533526U (en) Waste-heat utilization system ensuring lignite boiler dry output and SCR safe smoke temperature
CN101532402A (en) Dual-circulation screw expansion motor system
CN103133067A (en) Steel-mill residual blast-furnace gas and residual saturated steam comprehensive utilization power generation system
CN101392992B (en) Silicon smelting electric furnace waste heat power generation process flow and configuration
CN107741004A (en) Biomass gas fueled steam boiler
CN101906996A (en) Cogeneration system by firing coil assisted by biomass and solar energy
CN103225834A (en) Boiler flue gas pollution discharge and waste heat recovery heat pump heating system and application method thereof
CN201852474U (en) Combined recovery and power generation system for waste heat in flue gas of sintering machine and waste gas of cooling machine
CN103047637B (en) Coke furnace flue gas waste heat and ascending pipe coal gas waste heat combined recycling system
CN101650132A (en) Sintering waste heat generating system
CN101021305A (en) Sinter cooler low temperature waste gas residual heat boiler and power generating system thereof
CN105973017A (en) Ring cooling machine exhaust gas waste heat comprehensive utilization system
CN100338424C (en) Generating set system of simple low temperature waste heat from large size cement manufacture line in dry method, and technical process
CN103471408B (en) A kind of heating furnace high-temperature smoke waste heat utilization system and method

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20101006