CN102607092A - Centralized heating system with steam-water double heat source and adjustable heating load and centralized heating method - Google Patents
Centralized heating system with steam-water double heat source and adjustable heating load and centralized heating method Download PDFInfo
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- CN102607092A CN102607092A CN2012100859001A CN201210085900A CN102607092A CN 102607092 A CN102607092 A CN 102607092A CN 2012100859001 A CN2012100859001 A CN 2012100859001A CN 201210085900 A CN201210085900 A CN 201210085900A CN 102607092 A CN102607092 A CN 102607092A
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Abstract
The invention discloses a centralized heating system with a steam-water double heat source and adjustable heating load and a centralized heating method. The centralized heating system comprises an extraction condensing turbine, a steam condenser, a first hot water heat exchanger, a second hot water heat exchanger, a first low temperature steam adsorption type heat pump, a second low temperature steam adsorption type heat pump, a first high temperature steam adsorption type heat pump, a second high temperature steam adsorption type heat pump, a steam-water heat exchanger, a peak heater, a first circulating water pump, a second circulating water pump, a third circulating water pump, first to fortieth valves, a cooling tower and a cooling tower pool; the centralized heating system disclosed by the invention supplies heat by two steam-water heat sources, thereby reducing the temperatures of primary network water supply and backwater and reducing the heat stress demands on the pipeline thermal insulation and the material; the condensation heat of a power plant can be recycled to heat the circulating water, and the heat exchange equipment is started or stopped according to a heat user demand to adjust the heating load so that the energy source is saved; the hot water heat exchanger preheats the backwater to utilize the condensing heat to the uttermost; and the level of the steam is prevented from being reduced by a decompression device, and the energy is utilized to the uttermost.
Description
Technical field
The present invention relates to two adjustable central heating systems of heat supply amount of a kind of carbonated drink and method thereof, belong to energy field.
Background technology
China is in the process of quickening urbanization, and corresponding with it, the power plants installed capacity also sharply increases.By 2010, thermoelectricity installed capacity 7.0663 hundred million kW when the thermal power generation unit is providing electric power, had a large amount of heats of condensation to be discharged into atmosphere, how to reclaim thermal power plant discharge used heat just can one of the emphasis of energy conservation.Another sharply industry of development be district heating system, building energy consumption Along with people's growth in the living standard wherein and increasing fast.But China's heating energy has 2/3 building approximately directly with the acquisition of high-grade primary energy such as coal or natural gas, has very huge wasting phenomenon.
For improving the heating primary energy ratio, people are by heat pump techniques.The heat that contains in the environment in theory can both be as low-temperature heat source by the heat pump utilization, no matter but air source, source or water resource heat pump, the thermodynamic properties of surrounding material, position and weather etc. make the application of heating heat pump receive greatly restriction.
Existing traditional central heating system require water supply be heated to 130 ℃ after be transported to heat exchange station again, to guarantee defeated heat and hot user's temperature, backwater is 70 ℃, so just material and the insulation to aqueduct has higher requirements; And existing heating system can not be regulated heater according to hot user's calorific requirement.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, two adjustable central heating systems of heat supply amount of a kind of carbonated drink and method thereof are provided.
The two adjustable central heating systems of heat supply amount of carbonated drink comprise sucking condensing turbine, condenser, first hot water heat exchanger, second hot water heat exchanger, the first Low Temperature Steam absorption heat pump, the second Low Temperature Steam absorption heat pump, the first high-temperature steam absorption heat pump, the second high-temperature steam absorption heat pump, vapor-water heat exchanger, peak load calorifier, first water circulating pump, second water circulating pump, the 3rd water circulating pump, first valve ~ the 40 valve, cooling tower, pond of cooling tower; Circulating water line from pond of cooling tower connects an end of the tenth valve, and the water inlet of the other end of the tenth valve and first water circulating pump joins, and the first water circulating pump delivery port and Water in Condenser side entrance join; The Water in Condenser side outlet is divided into two-way, and wherein one the tunnel links to each other with an end of first valve, and the other end of first valve links to each other with cooling tower; Another road links to each other with second valve, one end, and the other end of second valve links to each other with an end of the 3rd valve, an end of the 4th valve respectively, and the other end of the 3rd valve links to each other with the first hot water heat exchanger thermal medium side entrance; The first hot water heat exchanger thermal medium side outlet links to each other with the other end of the 4th valve, an end of the 5th valve, an end of the 6th valve, and the other end of the 5th valve is connected with the first hot pump in low temp thermal medium side entrance, and the first hot pump in low temp thermal medium side outlet links to each other with the other end of the 6th valve, an end of the 7th valve, an end of the 8th valve; The other end of the 7th valve links to each other with the first high temperature heat pump thermal medium side-entrance, and the first high temperature heat pump thermal medium side outlet links to each other with the other end of the 8th valve, an end of the 9th valve, and the 9th valve other end links to each other with pond of cooling tower; The first high temperature heat pump cold side media outlet links to each other with an end of the 11 valve, the 12 valve, and the 11 valve links to each other with vapor-water heat exchanger water side medium inlet, and vapor-water heat exchanger water side media outlet links to each other with the other end of the 12 valve, an end of the 35 valve, an end of the 36 valve; The other end of the 36 valve links to each other with the second hot water heat exchanger thermal medium side entrance, and the second hot water heat exchanger thermal medium side outlet links to each other with an end of the 34 valve, and the other end of the 34 valve links to each other with the other end of the 35 valve, an end of the 26 valve, an end of the 28 valve; The other end of the 26 valve links to each other with the second Low Temperature Steam absorption heat pump thermal medium side entrance, and the second Low Temperature Steam absorption heat pump thermal medium side outlet links to each other with an end of the 27 valve, and the other end of the 27 valve links to each other with the other end of the 28 valve, an end of the 29 valve, an end of the 30 valve; The other end of the 29 valve links to each other with the second high-temperature steam absorption heat pump thermal medium side entrance, and the second low high steam absorption heat pump thermal medium side outlet links to each other with an end of the 31 valve, and the other end of the 31 valve links to each other with an end of the other end of the 30 valve, second water circulating pump; The other end of second water circulating pump links to each other with the cold side medium inlet of first hot water heat exchanger, and its cold side medium outlet links to each other with the cold side medium inlet of the first Low Temperature Steam absorption heat pump, and the cold side medium outlet of the first Low Temperature Steam absorption heat pump links to each other with the cold side medium inlet of the first high-temperature steam absorption heat pump; Hot user's backwater links to each other with an end of the 3rd water circulating pump, and the other end of the 3rd water circulating pump links to each other with an end of the 38 valve, an end of the 39 valve, and the other end of the 38 valve links to each other with the cold side medium inlet of second hot water heat exchanger; The cold side medium outlet of second hot water heat exchanger links to each other with the 37 valve, and the other end of the 37 valve links to each other with the other end of the 39 valve, an end of the 22 valve, an end of the 23 valve, and the other end of the 23 valve links to each other with the cold side medium inlet of the second Low Temperature Steam absorption heat pump; The cold side medium outlet of the second Low Temperature Steam absorption heat pump links to each other with an end of the 20 valve, and the other end of the 20 valve links to each other with the other end of the 22 valve, an end of the 21 valve, an end of the 32 valve, and the other end of the 21 valve links to each other with the cold side medium inlet of the second high-temperature steam absorption heat pump; The cold side medium outlet of the second high-temperature steam absorption heat pump links to each other with an end of the 24 valve, and the other end of the 24 valve links to each other with the other end of the 32 valve, an end of the 40 valve, an end of the 25 valve, and the other end of the 25 valve links to each other with peak load calorifier water side entrance; Peak load calorifier water side outlet links to each other with the other end of the 40 valve, an end of the 33 valve, and the other end of the 33 valve connects each hot water user, and an end of sucking condensing turbine mesohigh bleed steam pipework and the 17 valve, an end of the 18 valve, an end of the 19 valve join; The other end of the 17 valve, the 18 valve, the 19 valve connects second hot pump in low temp driving heat source inlet, second high temperature heat pump driving heat source inlet, peak load calorifier vapour side entrance separately; The outlet of the second hot pump in low temp driving heat source, the outlet of the second high temperature heat pump driving heat source, peak load calorifier vapour side outlet connect an end of the 14 valve, the 15 valve, the 16 valve, and the other end and the 13 valve one end of the 14 valve, the 15 valve, the 16 valve join, and the 13 valve other end connects the condensate return pipeline; High pressure extraction is transported to first high temperature heat pump and does driving heat source, and low-pressure pumping steam is transported to first hot pump in low temp, vapor-water heat exchanger is done driving heat source; Sucking condensing turbine final stage steam discharge gets into condenser and passes to recirculated water to heat.
The two adjustable central heating methods of heat supply amount of carbonated drink are: the recirculated water that from pond of cooling tower, comes recirculated water part of absorption condensation heat in condenser gets into cooling tower; Backwater is once netted in another part preheating in first hot water heat exchanger; At first hot pump in low temp, first high temperature heat pump heat is passed to then and once netted backwater, the method that condensing turbine adopts multistage to draw gas, wherein low-pressure pumping steam is as the driving heat source of first hot pump in low temp; The high pressure extraction of condensing turbine is as the first high temperature heat pump driving heat source; Through after the heat exchange, the temperature of recirculated water reduces, and gets back to pond of cooling tower; When passing through the once net water supply of heating as can not reach 70 ~ 90 ℃; Then in vapor-water heat exchanger, carry out the 4th heating, if after once netting supply water temperature and reach 70 ~ 90 ℃, the 12 valve opening then; The 11 valve closing; Make and once net the vapor-water heat exchanger of not flowing through that supplies water, directly send to heat exchange station, reach the purpose of regulating heat, energy savings; In heat exchange station; Once net supplies water earlier through the second hot water heat exchanger preheating user backwater; Then with the two heat supplies of high pressure extraction conduct; Successively get into second hot pump in low temp, second high temperature heat pump, supply water by net once and pass to heat that return condensed heat recovery system heats step by step after temperature drops to 20 ℃ behind hot user's backwater, accomplish and once net the water circulation; If hot user's backwater is after heating can not reach 60 ℃ the time, supplies water as hot user after then being heated to 60 ℃ through peak load calorifier and sees off, if can reach 60 ℃; Then close the 25 valve, the 19 valve; Open the 40 valve, make hot water and the heating steam peak load calorifier of not flowing through, reach the adjusting heat; The purpose of energy savings flows back to the heating of second hot water heat exchanger and accomplishes hot user's water circulation after the hot water user uses.
The two heat supplies of described carbonated drink have two kinds of thermals source to send into: a kind of is the high steam 0.9MPa that sucking condensing turbine is extracted out; Another kind is once to net hot water to be fed to heat exchange station for 70 ~ 90 ℃, reaches 70 ~ 90 ℃ to guarantee once to net to supply water, and once nets return water temperature and reaches 20 ℃, and hot user supplies water and satisfies 60 ℃.
The method that adopts multistage to draw gas in the described condensing turbine: high pressure extraction 0.9MPa wherein; Remove first high temperature heat pump, second hot pump in low temp, second high temperature heat pump, peak load calorifier; Low-pressure pumping steam 0.5MPa; Remove first hot pump in low temp, vapor-water heat exchanger, guarantee that condensing turbine draws gas to avoid reducing its grade, utilize energy to greatest extent through pressure reducer.
Beneficial effect of the present invention is mainly reflected in several aspects: first; The two heat supply modes of heat exchange station; Can still can make hot user supply water to reach in low to need temperature guaranteeing once to net supply water temperature; And it is low than legacy system through heat exchange temperature step by step once to net backwater, and the reduction of once net confession, return water temperature requires to reduce to the insulation and the thermal stress compensation of aqueduct; The second, utilize thermal power plant's condensation waste heat heat cycles water, energy savings has reduced the discharging of used heat; The 3rd, add heat, energy savings thereby can regulate according to hot user's request start and stop heat transmission equipment; The 4th, added hot water heat exchanger and shifted to an earlier date the preheating backwater so that utilize condensation heat to greatest extent; The 5th, avoid steam to reduce grade through decompressor, utilize energy to greatest extent.
Description of drawings
Fig. 1 is a reclaiming system for condensation heat;
Fig. 2 is the two heat supply heat exchange station systems of carbonated drink;
Among the figure; Sucking condensing turbine 1, condenser 2, the first hot water heat exchanger 3-1, the second hot water heat exchanger 3-2, the first Low Temperature Steam absorption heat pump 4-1, the second Low Temperature Steam absorption heat pump 4-2, the first high-temperature steam absorption heat pump 5-1, the second high-temperature steam absorption heat pump 5-2, vapor-water heat exchanger 6, peak load calorifier 7, the first water circulating pump 8-1, the second water circulating pump 8-2, the 3rd water circulating pump 8-3, valve 9-1 ~ 9-40, cooling tower 10, pond of cooling tower 11, a are that exhaust steam steam drain, b are that main steam air intake, c are that high pressure extraction mouth, d are the low-pressure pumping steam mouth.
The specific embodiment
Following specific embodiments of the invention describes.
Like Fig. 1, shown in 2, the two adjustable central heating systems of heat supply amount of carbonated drink comprise sucking condensing turbine 1, condenser 2, the first hot water heat exchanger 3-1, the second hot water heat exchanger 3-2, the first Low Temperature Steam absorption heat pump 4-1, the second Low Temperature Steam absorption heat pump 4-2, the first high-temperature steam absorption heat pump 5-1, the second high-temperature steam absorption heat pump 5-2, vapor-water heat exchanger 6, peak load calorifier 7, the first water circulating pump 8-1, the second water circulating pump 8-2, the 3rd water circulating pump 8-3, the first valve 9-1 ~ the 40 valve 9-40, cooling tower 10, pond of cooling tower 11; Connect the end of the tenth valve 9-10 from the circulating water line of pond of cooling tower 11, the water inlet of the other end of the tenth valve 9-10 and the first water circulating pump 8-1 joins, and the first water circulating pump 8-1 delivery port and condenser 2 water side entrances join; Condenser 2 water side outlets are divided into two-way, and wherein one the tunnel links to each other with the end of the first valve 9-1, and the other end of the first valve 9-1 links to each other with cooling tower 10; Another road links to each other with the second valve 9-2, one end, and the other end of the second valve 9-2 links to each other with the end of the 3rd valve 9-3, the end of the 4th valve 9-4 respectively, and the other end of the 3rd valve 9-3 links to each other with the first hot water heat exchanger 3-1 thermal medium side entrance; The first hot water heat exchanger 3-1 thermal medium side outlet links to each other with the other end of the 4th valve 9-4, the end of the 5th valve 9-5, the end of the 6th valve 9-6, and the other end of the 5th valve 9-5 is connected with the first hot pump in low temp 4-1 thermal medium side entrance, and the first hot pump in low temp 4-1 thermal medium side outlet links to each other with the other end of the 6th valve 9-6, the end of the 7th valve 9-7, the end of the 8th valve 9-8; The other end of the 7th valve 9-7 links to each other with the first high temperature heat pump 5-1 thermal medium side-entrance, and the first high temperature heat pump 5-1 thermal medium side outlet links to each other with the other end of the 8th valve 9-8, the end of the 9th valve 9-9, and the 9th valve 9-9 other end links to each other with pond of cooling tower 11; The first high temperature heat pump 5-1 cold side media outlet links to each other with the end of the 11 valve 9-11, the 12 valve 9-12, and the 11 valve 9-11 links to each other with vapor-water heat exchanger 6 water side medium inlets, and vapor-water heat exchanger 6 water side media outlets link to each other with the other end of the 12 valve 9-12, the end of the 35 valve 9-35, the end of the 36 valve 9-36; The other end of the 36 valve 9-36 links to each other with the second hot water heat exchanger 3-2 thermal medium side entrance, and the second hot water heat exchanger 3-2 thermal medium side outlet links to each other with the end of the 34 valve 9-34, and the other end of the 34 valve 9-34 links to each other with the end of the other end of the 35 valve 9-35, the 26 valve 9-26, the end of the 28 valve 9-28; The other end of the 26 valve 9-26 links to each other with the second Low Temperature Steam absorption heat pump 4-2 thermal medium side entrance, and the second Low Temperature Steam absorption heat pump 4-2 thermal medium side outlet links to each other with the end of the 27 valve 9-27, and the other end of the 27 valve 9-27 links to each other with the end of the other end of the 28 valve 9-28, the 29 valve 9-29, the end of the 30 valve 9-30; The other end of the 29 valve 9-29 links to each other with the second high-temperature steam absorption heat pump 5-2 thermal medium side entrance, and the second low high steam absorption heat pump 5-2 thermal medium side outlet links to each other with the end of the 31 valve 9-31, and the other end of the 31 valve 9-31 links to each other with the end of the other end of the 30 valve 9-30, the second water circulating pump 8-2; The other end of the second water circulating pump 8-2 links to each other with the cold side medium inlet of the first hot water heat exchanger 3-1, and its cold side medium outlet links to each other with the cold side medium inlet of the first Low Temperature Steam absorption heat pump 4-1, and the cold side medium outlet of the first Low Temperature Steam absorption heat pump 4-1 links to each other with the cold side medium inlet of the first high-temperature steam absorption heat pump 5-1; Hot user's backwater links to each other with the end of the 3rd water circulating pump 8-3, and the other end of the 3rd water circulating pump 8-3 links to each other with the end of the 38 valve 9-38, the end of the 39 valve 3-39, and the other end of the 38 valve 3-38 links to each other with the cold side medium inlet of the second hot water heat exchanger 3-2; The second hot water heat exchanger 3-2 is cold, and the side medium outlet links to each other with the 37 valve 9-37, and the other end of the 37 valve 9-37 links to each other with the end of the other end of the 39 valve 9-39, the 22 valve 9-22, the end of the 23 valve 9-23, and the other end of the 23 valve 9-23 links to each other with the cold side medium inlet of the second Low Temperature Steam absorption heat pump 4-2; The second Low Temperature Steam absorption heat pump 4-2 is cold, and the side medium outlet links to each other with the end of the 20 valve 9-20, and the other end of the 20 valve 9-20 links to each other with the end of the other end of the 22 valve 9-22, the 21 valve 9-21, the end of the 32 valve 9-32, and the other end of the 21 valve 9-21 links to each other with the cold side medium inlet of the second high-temperature steam absorption heat pump 5-2; The second high-temperature steam absorption heat pump 5-2 is cold, and the side medium outlet links to each other with the end of the 24 valve 9-24, and the other end of the 24 valve 9-24 links to each other with the end of the other end of the 32 valve 9-32, the 40 valve 9-40, an end 9-25 of the 25 valve, and the other end of the 25 valve links to each other with peak load calorifier 7 water side entrances; Peak load calorifier 7 water side outlets link to each other with the other end of the 40 valve 9-40, the end of the 33 valve 9-33, and the other end of the 33 valve 9-33 connects each hot water user, and sucking condensing turbine 1 mesohigh bleed steam pipework and the end of the 17 valve 9-17, the end of the 18 valve 9-18, the end of the 19 valve 9-19 join; The other end of the 17 valve 9-17, the 18 valve 9-18, the 19 valve 9-19 connects second hot pump in low temp 4-2 driving heat source inlet, second high temperature heat pump 5-2 driving heat source inlet, peak load calorifier 7 vapour side entrances separately; The outlet of the second hot pump in low temp 4-2 driving heat source, the outlet of the second high temperature heat pump 5-2 driving heat source, peak load calorifier 7 vapour side outlets connect the end of the 14 valve 9-14, the 15 valve 9-15, the 16 valve 9-16, and the other end and the 13 valve 9-13 one end of the 14 valve 9-14, the 15 valve 9-15, the 16 valve 9-16 join, and the 13 valve 9-13 other end connects the condensate return pipeline; High pressure extraction is transported to the first high temperature heat pump 5-1 and does driving heat source, and low-pressure pumping steam is transported to the first hot pump in low temp 4-1, vapor-water heat exchanger 6 is done driving heat source; Sucking condensing turbine 1 final stage steam discharge gets into condenser 2 and passes to recirculated water to heat.
The two adjustable central heating methods of heat supply amount of carbonated drink are: the recirculated water that from pond of cooling tower 11, comes recirculated water part of absorption condensation heat in condenser 2 gets into cooling tower 10; Backwater is once netted in another part preheating in the first hot water heat exchanger 3-1; At the first hot pump in low temp 4-1, the first high temperature heat pump 5-1 heat is passed to then and once netted backwater, the method that condensing turbine 1 adopts multistage to draw gas, wherein low-pressure pumping steam d is as the driving heat source of the first hot pump in low temp 4-1; The high pressure extraction c of condensing turbine 1 is as the first high temperature heat pump 5-1 driving heat source; Through after the heat exchange, the temperature of recirculated water reduces, and gets back to pond of cooling tower 11; When passing through the once net water supply of heating as can not reach 70 ~ 90 ℃; Then in vapor-water heat exchanger 6, carry out the 4th heating, if after once netting supply water temperature and reach 70 ~ 90 ℃, then the 12 valve 9-12 opens; The 11 valve 9-11 closes; Make and once net the vapor-water heat exchanger 6 of not flowing through that supplies water, directly send to heat exchange station, reach the purpose of regulating heat, energy savings; In heat exchange station; Once net supplies water earlier through the second hot water heat exchanger 3-2 preheating user backwater; Then with the two heat supplies of high pressure extraction conduct; Successively get into the second hot pump in low temp 4-2, the second high temperature heat pump 5-2, supply water by net once and pass to heat that return condensed heat recovery system heats step by step after temperature drops to 20 ℃ behind hot user's backwater, accomplish and once net the water circulation; If hot user's backwater is after heating can not reach 60 ℃ the time, supplies water as hot user after then being heated to 60 ℃ through peak load calorifier 7 and sees off, if can reach 60 ℃; Then close the 25 valve 9-25, the 19 valve 9-19; Open the 40 valve 9-40, make hot water and the heating steam peak load calorifier 7 of not flowing through, reach the adjusting heat; The purpose of energy savings flows back to second hot water heat exchanger heating 3-2 and accomplishes hot user's water circulation after the hot water user uses.
Can be through opening the 4th valve 9-4; Close the 3rd valve 9-3 and make the water first hot water heat exchanger 3-1 that do not flow through; Open the 6th valve 9-6; Close the 5th valve 9-5 and make the hot water first Low Temperature Steam absorption heat pump 4-1 that do not flow through; Open the 8th valve 9-8, close the 7th valve 9-7 and make the hot water first high-temperature steam absorption heat pump 5-1 that do not flow through, open the 12 valve 9-12; Close the 9th valve 9-11 and make the hot water vapor-water heat exchanger 6 of not flowing through; Open the 35 valve 9-35, the 39 valve 9-39, close the 34 valve 9-34, the 36 valve 9-36, the 37 valve 9-37, the 38 valve 9-38 and make the water second hot water heat exchanger 3-2 that do not flow through, open the 22 valve 9-22, the 28 valve 9-28; Close the 26 valve 9-26, the 27 valve 9-27, the 20 valve 9-20, the 23 valve 9-23, the 14 valve 9-14, the 17 valve 9-17 and make water/vapour second Low Temperature Steam absorption heat pump 4-2 that do not flow through; Open the 30 valve 9-30, the 32 valve 9-32, close the 29 valve 9-29, the 31 valve 9-31, the 21 valve 9-21, the 24 valve 9-24, the 15 valve 9-15, the 18 valve 9-18 and make water/vapour second high-temperature steam absorption heat pump 5-2 that do not flow through, open the 40 valve 9-40; Close the 25 valve 9-25, the 16 valve 9-16, the 19 valve 9-19 and make water/vapour spike heat exchanger 7 of not flowing through, add heat thereby regulate.
The two heat supplies of described carbonated drink have two kinds of thermals source to send into: a kind of is the high steam 0.9MPa that sucking condensing turbine 1 is extracted out; Another kind is once to net hot water to be fed to heat exchange station for 70 ~ 90 ℃, reaches 70 ~ 90 ℃ to guarantee once to net to supply water, and once nets return water temperature and reaches 20 ℃, and hot user supplies water and satisfies 60 ℃.
The method that adopts multistage to draw gas in the described condensing turbine: high pressure extraction 0.9MPa wherein; Remove the first high temperature heat pump 5-1, the second hot pump in low temp 4-2, the second high temperature heat pump 5-2, peak load calorifier 7; Low-pressure pumping steam 0.5MPa; Remove the first hot pump in low temp 4-1, vapor-water heat exchanger 6, guarantee that condensing turbine draws gas 1 to draw gas and avoid reducing its grade, utilize energy to greatest extent through pressure reducer.
Claims (4)
1. the two adjustable central heating systems of heat supply amount of carbonated drink is characterized in that comprising sucking condensing turbine (1), condenser (2), first hot water heat exchanger (3-1), second hot water heat exchanger (3-2), the first Low Temperature Steam absorption heat pump (4-1), the second Low Temperature Steam absorption heat pump (4-2), the first high-temperature steam absorption heat pump (5-1), the second high-temperature steam absorption heat pump (5-2), vapor-water heat exchanger (6), peak load calorifier (7), first water circulating pump (8-1), second water circulating pump (8-2), the 3rd water circulating pump (8-3), first valve (9-1-) ~ the 40 valve (9-40), cooling tower (10), pond of cooling tower (11); Circulating water line from pond of cooling tower (11) connects an end of the tenth valve (9-10), and the water inlet of the other end of the tenth valve (9-10) and first water circulating pump (8-1) joins, and first water circulating pump (8-1) delivery port and condenser (2) water side entrance join; Condenser (2) water side outlet is divided into two-way, and wherein one the tunnel links to each other with an end of first valve (9-1), and the other end of first valve (9-1) links to each other with cooling tower (10); Another road links to each other with second valve (9-2) end, and the other end of second valve (9-2) links to each other with an end of the 3rd valve (9-3), an end of the 4th valve (9-4) respectively, and the other end of the 3rd valve (9-3) links to each other with first hot water heat exchanger (3-1) thermal medium side entrance; First hot water heat exchanger (3-1) thermal medium side outlet links to each other with the other end of the 4th valve (9-4), an end of the 5th valve (9-5), an end of the 6th valve (9-6), and the other end of the 5th valve (9-5) is connected with first hot pump in low temp (4-1) thermal medium side entrance, and first hot pump in low temp (4-1) thermal medium side outlet links to each other with the other end of the 6th valve (9-6), an end of the 7th valve (9-7), an end of the 8th valve (9-8); The other end of the 7th valve (9-7) links to each other with the side-entrance of first high temperature heat pump (5-1) thermal medium, and first high temperature heat pump (5-1) thermal medium side outlet links to each other with the other end of the 8th valve (9-8), an end of the 9th valve (9-9), and the 9th valve (9-9) other end links to each other with pond of cooling tower (11); First high temperature heat pump (5-1) cold side media outlet links to each other with an end of the 11 valve (9-11), the 12 valve (9-12), and the 11 valve (9-11) links to each other with vapor-water heat exchanger (6) water side medium inlet, and vapor-water heat exchanger (6) water side media outlet links to each other with the other end of the 12 valve (9-12), an end of the 35 valve (9-35), an end of the 36 valve (9-36); The other end of the 36 valve (9-36) links to each other with second hot water heat exchanger (3-2) thermal medium side entrance, and second hot water heat exchanger (3-2) thermal medium side outlet links to each other with an end of the 34 valve (9-34), and the other end of the 34 valve (9-34) links to each other with the other end of the 35 valve (9-35), an end of the 26 valve (9-26), an end of the 28 valve (9-28); The other end of the 26 valve (9-26) links to each other with second Low Temperature Steam absorption heat pump (4-2) the thermal medium side entrance, and second Low Temperature Steam absorption heat pump (4-2) the thermal medium side outlet links to each other with an end of the 27 valve (9-27), and the other end of the 27 valve (9-27) links to each other with the other end of the 28 valve (9-28), an end of the 29 valve (9-29), an end of the 30 valve (9-30); The other end of the 29 valve (9-29) links to each other with second high-temperature steam absorption heat pump (5-2) the thermal medium side entrance, and second low high steam absorption heat pump (5-2) the thermal medium side outlet links to each other with an end of the 31 valve (9-31), and the other end of the 31 valve (9-31) links to each other with an end of the other end of the 30 valve (9-30), second water circulating pump (8-2); The other end of second water circulating pump (8-2) links to each other with the cold side medium inlet of first hot water heat exchanger (3-1), and its cold side medium outlet links to each other with the cold side medium inlet of the first Low Temperature Steam absorption heat pump (4-1), and the cold side medium outlet of the first Low Temperature Steam absorption heat pump (4-1) links to each other with the cold side medium inlet of the first high-temperature steam absorption heat pump (5-1); Hot user's backwater links to each other with an end of the 3rd water circulating pump (8-3), and the other end of the 3rd water circulating pump (8-3) links to each other with an end of the 38 valve (9-38), an end of the 39 valve (3-39), and the other end of the 38 valve (3-38) links to each other with the cold side medium inlet of second hot water heat exchanger (3-2); The cold side medium outlet of second hot water heat exchanger (3-2) links to each other with the 37 valve (9-37), and the other end of the 37 valve (9-37) links to each other with the other end of the 39 valve (9-39), an end of the 22 valve (9-22), an end of the 23 valve (9-23), and the other end of the 23 valve (9-23) links to each other with the cold side medium inlet of the second Low Temperature Steam absorption heat pump (4-2); The cold side medium outlet of the second Low Temperature Steam absorption heat pump (4-2) links to each other with an end of the 20 valve (9-20), and the other end of the 20 valve (9-20) links to each other with the other end of the 22 valve (9-22), an end of the 21 valve (9-21), an end of the 32 valve (9-32), and the other end of the 21 valve (9-21) links to each other with the cold side medium inlet of the second high-temperature steam absorption heat pump (5-2); The cold side medium outlet of the second high-temperature steam absorption heat pump (5-2) links to each other with an end of the 24 valve (9-24), and the other end of the 24 valve (9-24) links to each other with the other end of the 32 valve (9-32), an end of the 40 valve (9-40), an end (9-25) of the 25 valve, and the other end of the 25 valve links to each other with peak load calorifier (7) water side entrance; Peak load calorifier (7) water side outlet links to each other with the other end of the 40 valve (9-40), an end of the 33 valve (9-33), and the other end of the 33 valve (9-33) connects each hot water user, and an end of sucking condensing turbine (1) mesohigh bleed steam pipework and the 17 valve (9-17), an end of the 18 valve (9-18), an end of the 19 valve (9-19) join; The other end of the 17 valve (9-17), the 18 valve (9-18), the 19 valve (9-19) connects second hot pump in low temp (4-2) driving heat source inlet, second high temperature heat pump (5-2) driving heat source inlet, peak load calorifier (7) vapour side entrance separately; The outlet of second hot pump in low temp (4-2) driving heat source, the outlet of second high temperature heat pump (5-2) driving heat source, peak load calorifier (7) vapour side outlet connect an end of the 14 valve (9-14), the 15 valve (9-15), the 16 valve (9-16), and the other end and the 13 valve (9-13) end of the 14 valve (9-14), the 15 valve (9-15), the 16 valve (9-16) join, and the 13 valve (9-13) other end connects the condensate return pipeline; High pressure extraction is transported to first high temperature heat pump (5-1) and does driving heat source, and low-pressure pumping steam is transported to first hot pump in low temp (4-1), vapor-water heat exchanger (6) is done driving heat source; Sucking condensing turbine (1) final stage steam discharge gets into condenser (2) and passes to recirculated water to heat.
2. one kind is used the two adjustable central heating methods of heat supply amount of carbonated drink of system according to claim 1; It is characterized in that: the recirculated water that from pond of cooling tower (11), comes recirculated water part of absorption condensation heat in condenser (2) gets into cooling tower (10); Backwater is once netted in another part preheating in first hot water heat exchanger (3-1); At first hot pump in low temp (4-1), first high temperature heat pump (5-1) heat is passed to then and once netted backwater, the method that condensing turbine (1) adopts multistage to draw gas, wherein low-pressure pumping steam (d) is as the driving heat source of first hot pump in low temp (4-1); The high pressure extraction (c) of condensing turbine (1) is as first high temperature heat pump (5-1) driving heat source; Through after the heat exchange, the temperature of recirculated water reduces, and gets back to pond of cooling tower (11); When passing through the once net water supply of heating as can not reach 70 ~ 90 ℃; Then in vapor-water heat exchanger (6), carry out the 4th heating, if after once netting supply water temperature and reach 70 ~ 90 ℃, then the 12 valve (9-12) is opened; The 11 valve (9-11) is closed; Make and once net the vapor-water heat exchanger (6) of not flowing through that supplies water, directly send to heat exchange station, reach the purpose of regulating heat, energy savings; In heat exchange station; Once net supplies water earlier through second hot water heat exchanger (3-2) preheating user backwater; Then with the two heat supplies of high pressure extraction conduct; Successively get into second hot pump in low temp (4-2), second high temperature heat pump (5-2), supply water by net once and pass to heat that return condensed heat recovery system heats step by step after temperature drops to 20 ℃ behind hot user's backwater, accomplish and once net the water circulation; If hot user's backwater is after heating can not reach 60 ℃ the time; See off as hot user's water supply after then being heated to 60 ℃ through peak load calorifier (7); If can reach 60 ℃, then close the 25 valve (9-25), the 19 valve (9-19), open the 40 valve (9-40); Make hot water and the heating steam peak load calorifier (7) of not flowing through; Reach the adjusting heat, the purpose of energy savings flows back to second hot water heat exchanger heating (3-2) and accomplishes hot user's water circulation after the hot water user uses.
3. according to claim 2 pair of heat supply method, it is characterized in that the two heat supplies of described carbonated drink have two kinds of thermals source to send into: a kind of is the high steam 0.9MPa that sucking condensing turbine (1) is extracted out; Another kind is once to net hot water to be fed to heat exchange station for 70 ~ 90 ℃, reaches 70 ~ 90 ℃ to guarantee once to net to supply water, and once nets return water temperature and reaches 20 ℃, and hot user supplies water and satisfies 60 ℃.
4. condensing turbine high-low pressure air-exhaust method according to claim 2; It is characterized in that in the described condensing turbine method that adopts multistage to draw gas: high pressure extraction (c) 0.9MPa wherein; Remove first high temperature heat pump (5-1), second hot pump in low temp (4-2), second high temperature heat pump (5-2), peak load calorifier (7); Low-pressure pumping steam (d) 0.5MPa; Remove first hot pump in low temp (4-1), vapor-water heat exchanger (6), guarantee condensing turbine draw gas (1) draw gas and avoid reducing its grade through pressure reducer, utilize energy to greatest extent.
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| CN201210085900.1A CN102607092B (en) | 2012-03-28 | 2012-03-28 | Centralized heating system with steam-water double heat source and adjustable heating load and centralized heating method |
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| CN201210085900.1A CN102607092B (en) | 2012-03-28 | 2012-03-28 | Centralized heating system with steam-water double heat source and adjustable heating load and centralized heating method |
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| CN108413476A (en) * | 2018-05-04 | 2018-08-17 | 浙江正理生能科技有限公司 | A kind of heating installation of air-source and water source combination |
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| CN113072114A (en) * | 2021-05-08 | 2021-07-06 | 西安热工研究院有限公司 | System and method for recovering strong brine waste heat to heat domestic water |
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| CN105258204A (en) * | 2015-09-30 | 2016-01-20 | 华电电力科学研究院 | Hot water supply method and system with coupled first-kind absorption heat pump and second-kind absorption heat pump |
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| CN109945271A (en) * | 2019-04-25 | 2019-06-28 | 中能服能源科技股份有限公司 | A kind of big temperature difference multizone mixing heating system of difference heat supply temperature and pressure |
| CN113072114A (en) * | 2021-05-08 | 2021-07-06 | 西安热工研究院有限公司 | System and method for recovering strong brine waste heat to heat domestic water |
| CN113072114B (en) * | 2021-05-08 | 2024-06-25 | 西安热工研究院有限公司 | System and method for heating domestic water by recovering waste heat of strong brine |
| CN113375210A (en) * | 2021-06-28 | 2021-09-10 | 大唐环境产业集团股份有限公司 | Cold end waste heat supply method and system of coupling absorption heat pump |
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| CN102607092B (en) | 2014-04-30 |
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Inventor after: Hu Yacai Inventor after: Qian Haiping Inventor after: Chen Qi Inventor after: Fan Liwu Inventor after: Yu Zitao Inventor after: Wang Chao Inventor after: Lin Junguang Inventor after: Lu Wanzhen Inventor after: Xu Hongbo Inventor after: Zhang Weiling Inventor before: Wang Chao Inventor before: Zhang Weiling Inventor before: Qian Haiping Inventor before: Yu Zitao Inventor before: Hu Yacai Inventor before: Chen Qi Inventor before: Ruan Guangzheng Inventor before: Xia Qiaomin Inventor before: Lin Junguang Inventor before: Lu Wanzhen Inventor before: Xu Hongbo |
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Free format text: CORRECT: INVENTOR; FROM: WANG CHAO YU ZITAO HU YACAI CHEN QI RUAN GUANGZHENG XIA QIAOMIN LIN JUNGUANG LU WANZHEN XU HONGBO ZHANG WEILING QIAN HAIPING TO: HU YACAI CHEN QI FAN LIWU YU ZITAO WANG CHAO LIN JUNGUANG LU WANZHEN XU HONGBO ZHANG WEILING QIAN HAIPING |
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