CN102877902B - Electricity-water co-production system implemented through waste heat recovery - Google Patents
Electricity-water co-production system implemented through waste heat recovery Download PDFInfo
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- CN102877902B CN102877902B CN201210384935.5A CN201210384935A CN102877902B CN 102877902 B CN102877902 B CN 102877902B CN 201210384935 A CN201210384935 A CN 201210384935A CN 102877902 B CN102877902 B CN 102877902B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 238000011084 recovery Methods 0.000 title claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 title abstract description 20
- 239000002918 waste heat Substances 0.000 title abstract description 17
- 239000013535 sea water Substances 0.000 claims abstract description 83
- 239000000498 cooling water Substances 0.000 claims abstract description 60
- 239000011521 glass Substances 0.000 claims abstract description 43
- 238000000137 annealing Methods 0.000 claims abstract description 28
- 238000001816 cooling Methods 0.000 claims abstract description 23
- 238000010612 desalination reaction Methods 0.000 claims abstract description 21
- 239000013505 freshwater Substances 0.000 claims abstract description 18
- 239000002699 waste material Substances 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims description 39
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 20
- 238000005086 pumping Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 abstract description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 3
- 239000003546 flue gas Substances 0.000 abstract description 3
- 238000010248 power generation Methods 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 8
- 230000007613 environmental effect Effects 0.000 description 7
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- 239000003517 fume Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000004821 distillation Methods 0.000 description 3
- 230000020169 heat generation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000011033 desalting Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000006200 vaporizer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000005329 float glass Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
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- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention relates to an electricity-water co-production system which is implemented through the waste heat recovery of glass production lines, and is applied to waste heat power generation and low-temperature multi-effect seawater desalination. The co-production system comprises a waste heat boiler steam generator, a waste heat boiler water-heater, a high and low temperature heater, a turbo generator set, a low-temperature multi-effect seawater desalination device and the like. Through carrying out waste heat power generation by using flue gas waste heat of glass kilns, high-grade electric energy is produced. Fresh water is produced by using dead steam of a steam turbine, so that the utilization rate of waste heat resources is improved. Hot water is produced by using high-temperature waste air of an annealing kiln, and waste heat which is originally discharged is recycled, so that the utilization rate of waste heat resources is improved. Hot water of circulating cooling water is heated by using the waste heat boiler water-heater and an annealing kiln water heater, and cold seawater of the seawater desalination device is heated by using the hot water. Low-temperature seawater of the seawater desalination device is heated by using hot water of circulating cooling water, so that both the utilization of waste heat of the circulating cooling water is realized, and the purpose of cooling the circulating cooling water is achieved, thereby reducing the electricity consumption and water consumption caused by the running of a circulating cooling water cooler.
Description
Technical field
The present invention relates to glass production line heat recovery field, particularly a kind of heat recovery is for the electricity-water cogeneration system of cogeneration and low-temperature multiple-effect seawater desalination.
Background technique
Along with energy prices are soaring, environmental requirement improves, heat recovery technology is rapidly developed, and glass kiln residual heat generation technology is mature on the whole.4 400t/d float glass furnaces of Shahe City, Hebei province Great Wall Glass Co., Ltd., 4 exhaust heat boilers are installed, are joined 2 cover 6MW Turbo-generator Set, engineering put into operation in August, 2009, be constructed and put into operation and generate electricity in May, 2010, energy-saving effect is (Liu Chengxiong, the exploitation of utilizing waste heat of glass furnace generation technology and design application, glass significantly, 12 phases in 2010,13-16 page).
Along with the high speed development of Chinese national economy, the freshwater resources bottleneck that has become restriction China's economic development and people's living standard raising in short supply.For solving China water resources crisis, development desalination technology is to alleviate the strategic measure that freshwater resources lack, and improving constantly of water price impels desalination of sea water development, the becoming better and approaching perfection day by day of desalination technology.In numerous desalination technologies, low temperature multiple-effect distillation sea water desalting technology refers to that salt solution maximum temperature is no more than the desalination technology of 70 DEG C, can utilize the inferior grade steam that power plant provides to produce reliable as power resources, cheap high-quality purified water, it is the efficient desalination technology of growing up the eighties in 20th century, China east Huangdao Power Plant in recent years, China of state yellow fraud power station (first phase), state China Huang power station (second phase) that gurgles, North SinKiang, Tianjin power plant is thrown by state, the enterprises such as Shoudu Iron and Steel Co Jing Tang Iron And Steel Company adopt low temperature multiple-effect distillation sea water desalting technology, 6000 tons to 100000 tons sea water desalinating unit (Chen Ying that do not wait of daily output fresh water are built, the application of low-temperature multiple-effect seawater desalination technology in large-scale power station, North China Electric Power University's Master paper, 2011).
Glass kiln residual heat generating belongs to middle low temperature parameter power field, and generating efficiency is low.If utilize the central high-grade cogeneration of glass kiln residual heat, utilize low-grade afterheat steam to carry out desalination of sea water, in realizing production electric energy, low-grade heat energy has also been realized efficient utilization, made up the inefficient deficiency of middle low temperature parameter generation technology, the utilization ratio of residual heat resources significantly promotes.
In addition, be subject to the restriction on the low side of waste heat boiler of glass furnace inlet temperature, the temperature of exhaust fume of the exhaust heat boiler of generating use is generally above or higher up to 150 DEG C, still has a large amount of waste heats not recycle.In addition, glass production line needs a large amount of recirculated cooling waters to carry out cooling to the high-temperature service such as glass furnace, annealing kiln, and producing a large amount of 40 DEG C of hot water to 55 DEG C of left and right, it is cooling that a large amount of hot water like this need to adopt air-cooler or cooling column to carry out, and consumes a large amount of electric energy and water resources.Annealing kiln also needs the hot air a large amount of to airborne release, causes energy waste, environment is caused to thermo-pollution.
The glass furnace of glass production line, annealing kiln, recirculated cooling water have a large amount of residual heat resources.Although glass kiln residual heat generation technology has reclaimed part high-grade residual heat resources for generating, generating efficiency is low, and the high fume temperature of exhaust heat boiler, and utilization rate of waste heat is low.The residual heat resources of annealing kiln, recirculated cooling water are not just recycled directly and are emitted at all.Therefore, the energy utilization rate of glass production line is too low at present, and energy waste is serious, also has the problems such as environmental thermal pollution, cooling column or air-cooler power consumption and water consumption.
Summary of the invention
The object of the present invention is to provide a kind of can be efficiently, a large amount of residual heat resources of the discharge of the glass furnace of deep exploitation glass production line, annealing kiln, recirculated cooling water, and realize energy cascade utilization, the technology of utilizing high-grade cogeneration, low grade residual heat to produce fresh water, it is a kind of heat recovery electricity-water cogeneration system, both reduce the environmental thermal pollution of glass production line, reduced again cooling procedure water consumption and the power consumption of recirculated cooling water.
To achieve these goals, the technological scheme of employing is as follows:
A kind of heat recovery electricity-water cogeneration system, is characterized in that,
Exhaust heat boiler steamer and exhaust heat boiler water heater, the two is connected with glass furnace;
Exhaust heat boiler steamer is connected with Turbo-generator Set, is further connected with the first evaporator of low-temperature multi-effect seawater desalination device by steam tube, and first evaporator is connected with exhaust heat boiler steamer by condensate pipe and oxygen-eliminating device;
The recirculated cooling water hot-water line of glass furnace, annealing kiln is connected with annealing kiln water heater, is further connected with exhaust heat boiler water heater by middle warm water tube;
Exhaust heat boiler water heater is connected with high temperature heater (HTH), and is further connected with low-temperature heater;
Low-temperature heater is connected with water cooling pond by cooling water return pipe, and water cooling pond is connected with glass furnace, annealing kiln by recirculated cooling water cold water pipe;
Refrigerated sea water water pipe is connected with end effect condenser, and is further connected with refrigerated sea water waste pipe, Mare Frigoris water water pipe, and end effect condenser is connected with vacuum pumping device;
Mare Frigoris water water pipe is connected with low-temperature heater, and is further connected with lower effective evaporator by low temperature seawater water pipe; Lower effective evaporator is connected with high temperature heater (HTH) by lower effect concentrated seawater pipe, and is further connected with first evaporator, upper single-effect evaporator respectively by high temperature seawater pipe;
First evaporator, upper single-effect evaporator, lower effective evaporator, end effect condenser are connected successively by steam tube between effect;
First evaporator, upper single-effect evaporator, lower effective evaporator are all connected with concentrated seawater waste pipe, and upper single-effect evaporator, lower effective evaporator, end effect condenser are all connected with fresh water pipe;
Recirculated cooling water hot-water line is connected with low-temperature heater, high temperature heater (HTH), is also connected with water cooling pond by cooling water machine;
Mare Frigoris water water pipe is connected with first evaporator, upper single-effect evaporator, lower effective evaporator respectively.
Heat recovery electricity-water cogeneration system of the present invention, utilizes waste heat boiler of glass furnace steamer and water heater fully to reclaim the fume afterheat of glass furnace, and temperature of exhaust fume is eased down to below 120 DEG C.Utilize that exhaust heat boiler steamer produces Steam Actuation Turbo-generator Set produce electric power, utilize low-grade steam that steam turbine discharges as the thermal source of low-temperature multi-effect seawater desalination device first evaporator.Utilize the hot water of the recirculated cooling water of exhaust heat boiler water heater and annealing kiln water heater heating glass production line, utilize high-temperature-hot-water to heat the seawater for desalinating, dwindle the temperature difference between the steam in seawater and the vaporizer that enters vaporizer, reduce steam consumption, increase water generation ratio.After waste heat for the recirculated cooling water of the low temperature seawater heat absorbing glass production line of desalinating, not only increase fresh water yield, compared with traditional recirculated cooling water cooling method, reduced power consumption and the water consumption of cooling water machine.Meanwhile, the present invention has also partly solved glass production line environmental thermal pollution problem.
Brief description of the drawings
For the ease of it will be appreciated by those skilled in the art that the present invention is further illustrated below in conjunction with accompanying drawing.
Fig. 1 is system flow chart of the present invention.
In Fig. 1, 1-first evaporator, 2-upper single-effect evaporator, 3-fresh water pipe, 4-lower effect concentrated seawater pipe, 5-concentrated seawater waste pipe, 6-lower effective evaporator, steam tube between 7-effect, 8-end effect condenser, 9-refrigerated sea water water pipe, 10-vacuum pumping device, 11-low temperature seawater water pipe, 12-refrigerated sea water waste pipe, 13-Mare Frigoris water water pipe, 14-low-temperature heater, 15-CWR, 16-middle warm water tube, 17-annealing kiln water heater, 18-recirculated cooling water hot-water line, 19-cooling water machine, 20-annealing kiln, 21-water cooling pond, 22-recirculated cooling water cold water pipe, 23-glass furnace, 24-exhaust heat boiler steamer, 25-oxygen-eliminating device, 26-Turbo-generator Set, 27-exhaust heat boiler water heater, 28-high temperature heater (HTH), 29-high temperature seawater pipe, 30-steam tube, 31-condensate pipe.
Embodiment
Refer to Fig. 1, exhaust heat boiler steamer 24 and exhaust heat boiler water heater 27, the two is connected with glass furnace 23.Exhaust heat boiler steamer 24 is connected with Turbo-generator Set 26, further be connected with the first evaporator 1 of low-temperature multi-effect seawater desalination device by steam tube 30, first evaporator 1 is connected with exhaust heat boiler steamer 24 by condensate pipe 31 and oxygen-eliminating device 25.
The recirculated cooling water hot-water line 18 of glass furnace 23, annealing kiln 20 is connected with annealing kiln water heater 17, is further connected with exhaust heat boiler water heater 27 by middle warm water tube 16.
Exhaust heat boiler water heater 27 is connected with high temperature heater (HTH) 28, and is further connected with low-temperature heater 14.
Low-temperature heater 14 is connected with water cooling pond 21 by cooling water return pipe 15.
Water cooling pond 21 is connected with glass furnace 23, annealing kiln 20 by recirculated cooling water cold water pipe 22.
Refrigerated sea water water pipe 9 is connected with end effect condenser 8, and is further connected with refrigerated sea water waste pipe 12, Mare Frigoris water water pipe 13, and end effect condenser 8 is connected with vacuum pumping device 10.
Mare Frigoris water water pipe 13 is connected with low-temperature heater 14, and is further connected with lower effective evaporator 6 by low temperature seawater water pipe 11.
Lower effective evaporator 6 is connected with high temperature heater (HTH) 28 by lower effect concentrated seawater pipe 4, and is further connected with first evaporator 1, upper single-effect evaporator 2 respectively by high temperature seawater pipe 29.
First evaporator 1, upper single-effect evaporator 2, lower effective evaporator 6, end effect condenser 8 are connected successively by steam tube 7 between effect.
First evaporator 1, upper single-effect evaporator 2, lower effective evaporator 6 are all connected with concentrated seawater waste pipe 5, and upper single-effect evaporator 2, lower effective evaporator 6, end effect condenser 8 are all connected with fresh water pipe 3.
Recirculated cooling water hot-water line 18 is connected with low-temperature heater 14, high temperature heater (HTH) 28, and recirculated cooling water hot-water line 18 is also connected with water cooling pond 21 by cooling water machine 19.
Mare Frigoris water water pipe 13 is connected with first evaporator 1, upper single-effect evaporator 2, lower effective evaporator 6 respectively.
Working procedure of the present invention is as follows:
The flue gas of 500 DEG C of left and right that glass furnace 23 discharges is along journey by exhaust heat boiler steamer 24 and exhaust heat boiler water heater 27, and flue-gas temperature is reduced to 120 DEG C of following rear discharges.The superheated vapor that exhaust heat boiler steamer 24 produces promotes Turbo-generator Set 26 and generates electricity, the exhaust steam of steam turbine discharge is transformed into condensed water enter the first evaporator 1, heat release of low-temperature multi-effect seawater desalination device by steam tube 30 after, return to exhaust heat boiler steamer 24 through condensate pipe 31 and oxygen-eliminating device 25, complete circulation.
The off-air of 150 DEG C to 450 DEG C that annealing kiln 20 produces enters annealing kiln water heater 17, and the hot water heat release of introducing to recirculated cooling water hot-water line 18, off-air temperature is reduced to 120 DEG C with lower outside row, recirculated cooling water after heating enters exhaust heat boiler water heater 27 by middle warm water tube 16 and further absorbs heat, enter subsequently high temperature heater (HTH) 28, to the brine heat release that comes from lower effect concentrated seawater pipe 4.Afterwards, recirculated cooling water leaves high temperature heater (HTH) 28, enters low-temperature heater 14, to the low temperature seawater heating that comes from Mare Frigoris water water pipe 13.Finally, the recirculated cooling water that temperature significantly reduces is through cooling water return pipe 15 Returning water ponds 21.
First low temperature seawater in Mare Frigoris water water pipe 13 enters low-temperature heater 14 and heats, and the seawater after intensification enters lower effective evaporator 6, and a part of seawater is transformed into after steam steam tube 7 through between effect through distillation and enters end effect condenser 8; Another part seawater enters high temperature heater (HTH) 28 heating through lower effect concentrated seawater pipe 4 and rises.Seawater after high temperature heater (HTH) 28 heats up enters high temperature seawater pipe 29 and is divided into two-part, and a part enters first evaporator 1, and another part enters single-effect evaporator 2.
Enter the seawater of first evaporator 1 from the steam heat absorption from steam tube 30, part is transformed into steam, and steam tube 7 enters upper single-effect evaporator 2 through between effect.The seawater that is not transformed into steam enters concentrated seawater waste pipe 5.
The steam that steam tube 7 comes from first evaporator 1 through between effect is upper single-effect evaporator 2 in and come from the seawater to make heat exchange of high temperature seawater pipe 29.The steam that comes from first evaporator 1 enters fresh water pipe 3 after the interior condensation of upper single-effect evaporator 2 is transformed into water of condensation.The seawater that comes from high temperature seawater pipe 29 is divided into two-part in upper single-effect evaporator 2, and a part is transformed into after steam steam tube 7 through between effect and enters lower effective evaporator 6, and the seawater that another part is not transformed into steam enters concentrated seawater waste pipe 5.
The steam that steam tube 7 comes from upper single-effect evaporator 2 through between effect is lower effective evaporator 6 in and come from the seawater to make heat exchange of low temperature seawater water pipe 11.The steam that comes from single-effect evaporator 2 enters fresh water pipe 3 after the interior condensation of lower effective evaporator 6 is transformed into water of condensation.The seawater that comes from low temperature seawater water pipe 11 is divided into two-part in lower effective evaporator 6, and a part is transformed into after steam steam tube 7 through between effect and enters end effect condenser 8, and the seawater that another part is not transformed into steam enters concentrated seawater waste pipe 5.
The steam that steam tube 7 comes from lower effective evaporator 6 through between effect is end effect condenser 8 in and come from the seawater to make heat exchange of refrigerated sea water water pipe 9.The steam that comes from lower effective evaporator 6 enters fresh water pipe 3 after the interior condensation of end effect condenser 8 is transformed into water of condensation.The Mare Frigoris water that comes from refrigerated sea water water pipe 9 leaves end effect condenser 8 after the interior heat absorption of end effect condenser 8, is divided into afterwards two-part, and a part enters refrigerated sea water waste pipe 12 drains, and another part enters low-temperature heater 14 through Mare Frigoris water water pipe 12.
Vacuum pumping device 10 is housed on end effect condenser 8, to maintain the vacuum state of first evaporator 1, upper single-effect evaporator 2, lower effective evaporator 6 and end effect condenser 8 inside, guarantee that seawater is realized under the condition lower than 70 DEG C and distill and produce steam, through cooling generation fresh water.
Between outlet, recirculated cooling water hot-water line 18 and the water cooling pond 21 of annealing kiln 20, cooling water machine 19 is set.In the time that low-temperature multi-effect seawater desalination device is not worked, ensure circulating cooling water for cooling by putting into operation of cooling water machine 19, guarantee that recirculating cooling water system normally moves, ensure cooling effect, maintain glass production line and normally move.
Recirculated cooling water hot-water line 18 is except being directly connected with annealing kiln water heater 17, recirculated cooling water hot-water line 18 is also by bypass and exhaust heat boiler water heater 27, high temperature heater (HTH) 28, low-temperature heater 14 is connected respectively, when annealing kiln water heater 17, exhaust heat boiler water heater 27, high temperature heater (HTH) 28, when part heat-exchanger rig in low-temperature heater 14 can not put into operation, still can realize and heat low temperature seawater with recirculated cooling water, guaranteeing to improve under the prerequisite of water generation ratio, the operating load of cooling water machine 19 out of service or reduction cooling water machine 19, reduce power consumption and the water consumption of cooling water machine 19.
In sum, the present invention, by exhaust heat boiler steamer 24, Turbo-generator Set 26 and low-temperature multi-effect seawater desalination device are set, has realized glass production line heat recovery water, Electricity Federation product.The present invention, by annealing kiln water heater 17, exhaust heat boiler water heater 27 are set, promotes the hot water temperature of recirculated cooling water; By low-temperature heater 14 and high temperature heater (HTH) 28 are set, the low temperature seawater of realizing low-temperature multi-effect seawater desalination device enter first evaporator 1, on preheating before single-effect evaporator 2 and lower effective evaporator 6, reduce the temperature difference between heating steam in seawater and corresponding evaporator, increase steam producing amount, water generation ratio is increased.By low-temperature heater 14, high temperature circulation cooling water, after the Mare Frigoris water heat release in Mare Frigoris water water pipe 13, is realized the cooling of recirculated cooling water, has reduced water consumption and the power consumption of cooling water machine 19.In addition, the present invention has realized the deep exploitation of glass production line glass furnace, annealing kiln and circulating cooling water afterheat resource, high-grade heat energy is for generating, low grade heat energy is for the production of fresh water, in having realized electricity-water cogeneration, reduce again the environmental thermal pollution problem directly causing to environment heat extraction.
With respect to simple glass kiln residual heat generation engineering, not only power savings advantages is remarkable for electricity-water cogeneration engineering of the present invention, also produces valuable freshwater resources.Its beneficial effect shows:
1, utilize the fume afterheat of glass furnace to carry out cogeneration, output high-grade electric energy; Utilize the exhaust steam of steam turbine to produce fresh water, improved the utilization ratio of residual heat resources.
2, at the afterbody of exhaust heat boiler steamer, water heater is installed, temperature of exhaust fume is reduced to below 120 DEG C above by 150 DEG C, the utilization ratio of glass kiln residual heat resource has improved more than 10%.
3, utilize annealing kiln high temperature off-air to produce hot water, by the heat recovery originally emitting, improved the utilization ratio of residual heat resources.
4, utilize the hot water of exhaust heat boiler water heater and annealing kiln water heater Heating Cyclic cooling water, and utilize the Mare Frigoris water of hot water heating for sea water desalinating unit, improved water generation ratio, Economy further improves.
5, utilize the low temperature seawater of the hot water heating sea water desalinating unit of recirculated cooling water, both realized the utilization of circulating cooling water afterheat, realized again the object of circulating cooling water for cooling, reduced recirculated cooling water cooling water machine and moved the power consumption and the water consumption that cause.
6, the residual heat resources of deep exploitation glass production line are produced fresh water, have reduced the environmental thermal pollution problem that glass production alignment environmental emission used heat causes.
Above content is only to structure example of the present invention and explanation; affiliated those skilled in the art make various amendments to described specific embodiment or supplement or adopt similar mode to substitute; only otherwise depart from the structure of invention or surmount this scope as defined in the claims, all should belong to protection scope of the present invention.
Claims (1)
1. a heat recovery electricity-water cogeneration system, is characterized in that,
Exhaust heat boiler steamer and exhaust heat boiler water heater, the two is connected with glass furnace;
Exhaust heat boiler steamer is connected with Turbo-generator Set, is further connected with the first evaporator of low-temperature multi-effect seawater desalination device by steam tube, and first evaporator is connected with exhaust heat boiler steamer by condensate pipe and oxygen-eliminating device;
The recirculated cooling water hot-water line of glass furnace, annealing kiln is connected with annealing kiln water heater, is further connected with exhaust heat boiler water heater by middle warm water tube;
Exhaust heat boiler water heater is connected with high temperature heater (HTH), and is further connected with low-temperature heater;
Low-temperature heater is connected with water cooling pond by cooling water return pipe, and water cooling pond is connected with glass furnace, annealing kiln by recirculated cooling water cold water pipe;
Refrigerated sea water water pipe is connected with end effect condenser, and is further connected with refrigerated sea water waste pipe, Mare Frigoris water water pipe, and end effect condenser is connected with vacuum pumping device;
Mare Frigoris water water pipe is connected with low-temperature heater, and is further connected with lower effective evaporator by low temperature seawater water pipe; Lower effective evaporator is connected with high temperature heater (HTH) by lower effect concentrated seawater pipe, and is further connected with first evaporator, upper single-effect evaporator respectively by high temperature seawater pipe;
First evaporator, upper single-effect evaporator, lower effective evaporator, end effect condenser are connected successively by steam tube between effect;
First evaporator, upper single-effect evaporator, lower effective evaporator are all connected with concentrated seawater waste pipe, and upper single-effect evaporator, lower effective evaporator, end effect condenser are all connected with fresh water pipe;
Recirculated cooling water hot-water line is connected with low-temperature heater, high temperature heater (HTH), is also connected with water cooling pond by cooling water machine;
Mare Frigoris water water pipe is connected with first evaporator, upper single-effect evaporator, lower effective evaporator respectively.
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| CN201210384935.5A CN102877902B (en) | 2012-10-12 | 2012-10-12 | Electricity-water co-production system implemented through waste heat recovery |
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| CN102502902A (en) * | 2011-11-10 | 2012-06-20 | 集美大学 | New multistage flash evaporation seawater desalting system of thermal power plant |
| CN202470793U (en) * | 2012-03-08 | 2012-10-03 | 王正新 | Equipment special for using waste heat of high dust content flue gas of submerged arc furnace in cascade mode and removing dust |
| CN102642883A (en) * | 2012-05-07 | 2012-08-22 | 上海伏波环保设备有限公司 | System for desalinating seawater by waste heat from power plant |
| CN102721222A (en) * | 2012-06-07 | 2012-10-10 | 何秀锦 | System for recovering waste heat of process cooling water |
| CN202883028U (en) * | 2012-10-12 | 2013-04-17 | 凤阳海泰科能源环境管理服务有限公司 | Waste heat recovery cogeneration system |
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| CN102877902A (en) | 2013-01-16 |
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