CN113107627A - Waste heat utilization system of steam turbine of thermal power plant - Google Patents
Waste heat utilization system of steam turbine of thermal power plant Download PDFInfo
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- CN113107627A CN113107627A CN202110311837.8A CN202110311837A CN113107627A CN 113107627 A CN113107627 A CN 113107627A CN 202110311837 A CN202110311837 A CN 202110311837A CN 113107627 A CN113107627 A CN 113107627A
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- 239000002918 waste heat Substances 0.000 title claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 94
- 238000010438 heat treatment Methods 0.000 claims abstract description 39
- 238000001816 cooling Methods 0.000 claims abstract description 29
- 239000007789 gas Substances 0.000 claims description 59
- 239000000779 smoke Substances 0.000 claims description 19
- 239000000428 dust Substances 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 15
- 238000005485 electric heating Methods 0.000 claims description 12
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 6
- 239000003546 flue gas Substances 0.000 claims description 6
- 238000000746 purification Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000010248 power generation Methods 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 4
- 238000009835 boiling Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000003915 air pollution Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K17/00—Using steam or condensate extracted or exhausted from steam engine plant
- F01K17/02—Using steam or condensate extracted or exhausted from steam engine plant for heating purposes, e.g. industrial, domestic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention provides a waste heat utilization system of a steam turbine of a thermal power plant, and relates to the technical field of waste heat utilization. The waste heat utilization system of the steam turbine of the thermal power plant comprises a steam turbine body, wherein one end of the steam turbine body is fixedly connected with a main heat pipeline, one end, far away from the steam turbine body, of the main heat pipeline is fixedly connected with a flow divider, one end, far away from the main heat pipeline, of the flow divider is respectively and fixedly connected with a warm water supply system, a boiled water supply system and a warm air supply system, and one ends, far away from the flow divider, of the warm water supply system and the boiled water supply system are fixedly connected with a cooling discharge; the warm water supply system comprises a first air supply pipeline, and one end of the flow divider, which is far away from the main heat conducting pipeline, is fixedly connected with the first air supply pipeline. Through designing warm water supply system, boiling water supply system, heating installation supply system and cooling discharge system, can realize abundant effectual utilization to the abundant waste heat that produces when the steam turbine generates electricity to make its holistic work efficiency improve greatly.
Description
Technical Field
The invention relates to the technical field of waste heat utilization, in particular to a waste heat utilization system of a steam turbine of a thermal power plant.
Background
The waste heat is energy which is not utilized in energy utilization equipment under certain economic and technical conditions, namely redundant and waste energy; the waste heat recycling is an important way for improving the economy and saving the fuel. Various residual heats exist in the production process of a thermal power plant; for example, the waste heat of boiler blow-down heat, deaerator exhaust gas and steam seal exhaust, the availability and value of the waste heat are determined by the two aspects of the yield and the quality of the waste heat. The quantity of the waste heat refers to the size of the waste heat quantity, the quality of the waste heat refers to the grade of the waste heat, and the waste heat can be represented by the temperature, the pressure and a medium carrying heat; the higher the grade of the waste heat, the greater the quantity, the greater the availability and value of the waste heat; the availability and value of the waste heat are not equal to the effect of waste heat utilization. The former refers to the quality and property of the waste heat itself, and it only indicates the availability of the waste heat, but does not indicate the effectiveness of the waste heat utilization; the latter is not determined by the quality of the waste heat itself, but also by the location, environment and method of use of the waste heat, i.e. by the object and conditions under which the waste heat is used; for example, the waste heat is better utilized as heat than as a function. Because, the thermal change work is paid by the loss of a cooling source; the thermal system of the thermal power plant has various energy levels, so that a larger degree of freedom is provided for selecting a place for utilizing waste heat.
Steam turbine of thermal power plant can produce a large amount of waste heat when carrying out thermal power, to the utilization of these waste heats, under a large number of conditions, all just can it carry out make full use of winter time, the waste heat that utilizes the steam turbine to produce heats for near living area, in other seasons, the waste heat that most steam turbine electricity generation produced all can discharge to the atmosphere after the cooling of cooling tower, this kind of treatment both can cause certain air pollution, a large amount of resources have also been wasted simultaneously, be unfavorable for energy-concerving and environment-protective, for this reason, we have developed a new steam turbine waste heat utilization system of thermal power plant.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a waste heat utilization system of a steam turbine of a thermal power plant, which solves the problems that in many cases, waste heat is fully utilized only in winter, the waste heat generated by the steam turbine is utilized to heat nearby living areas, and in other seasons, most of the waste heat generated by power generation of the steam turbine is cooled by a cooling tower and then discharged into the atmosphere, so that the treatment mode can cause certain air pollution, wastes a large amount of resources and is not beneficial to energy conservation and environmental protection.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a waste heat utilization system of a steam turbine of a thermal power plant comprises a steam turbine body, wherein one end of the steam turbine body is fixedly connected with a main heat pipeline, one end, far away from the steam turbine body, of the main heat pipeline is fixedly connected with a flow divider, one end, far away from the main heat pipeline, of the flow divider is respectively and fixedly connected with a warm water supply system, a boiled water supply system and a warm air supply system, and one ends, far away from the flow divider, of the warm water supply system and the boiled water supply system are fixedly connected with a cooling discharge;
the warm water supply system comprises a first air supply pipeline, one end of the flow divider, which is far away from the main heat transfer pipeline, is fixedly connected with a first air supply pipeline, one end of the first air supply pipeline, which is far away from the flow divider, is fixedly connected with a first tubular heat exchanger, the middle section of the first air supply pipeline is provided with a first flow valve corresponding to the first tubular heat exchanger, one end of an air outlet of the first tubular heat exchanger is fixedly connected with a first exhaust pipeline, one end of a water inlet of the first tubular heat exchanger is fixedly connected with a first cold water supply pipeline, and one end of a water outlet of the first tubular heat exchanger is fixedly connected with a warm water supply;
the boiled water supply system comprises a second gas supply pipeline, wherein one end of the diverter, which is far away from the main heat conducting pipeline, is fixedly connected with a second gas supply pipeline, one end of the second gas supply pipeline, which is far away from the diverter, is fixedly connected with a second tubular heat exchanger, the middle section of the second gas supply pipeline is provided with a second flow valve corresponding to the second tubular heat exchanger, one end of the gas outlet of the second tubular heat exchanger is fixedly connected with a second exhaust pipeline, one end of the water inlet of the second tubular heat exchanger is fixedly connected with a second cold water supply pipeline, one end of the water outlet of the second tubular heat exchanger is fixedly connected with an electric heating device, and one end of the water outlet of the electric heating device is fixedly;
the heating supply system comprises a third air supply pipeline, wherein one end of the flow divider, which is far away from the main heat supply pipeline, is fixedly connected with a third air supply pipeline, one end of the third air supply pipeline, which is far away from the flow divider, is fixedly connected with a smoke dust filtering device, the middle section of the third air supply pipeline is provided with a third flow valve corresponding to the smoke dust filtering device, one end of the smoke dust filtering device, which is far away from the third air supply pipeline, is fixedly connected with a main heating pipeline, one end of the main heating pipeline, which is far away from the smoke dust filtering device, is fixedly connected with a diverter, the middle section of the main heating pipeline is provided with a heating purification device corresponding to the diverter, and one end of the diverter, which is far away;
the cooling and discharging system comprises a cooling tower and a discharging pipeline, one ends of the first and second discharging pipelines far away from the first and second tubular heat exchangers are fixedly connected with the discharging pipeline, and one ends of the discharging pipeline far away from the warm water supply system and the boiled water supply system are fixedly connected with the cooling tower.
An operation method of a waste heat utilization system of a steam turbine of a thermal power plant comprises the following specific contents:
s1, a steam turbine body can generate a large amount of waste heat during thermal power generation, a large amount of hot air can enter a flow divider through a main heat conducting pipeline, and high-temperature gas entering the flow divider can respectively flow out through a plurality of air outlets of the flow divider;
s2, after high-temperature gas in the flow divider enters the first tubular heat exchanger through the first gas supply pipeline, the high-temperature gas can heat cold water entering the first tubular heat exchanger through the first cold water supply pipeline, and the heated cold water in the first tubular heat exchanger can be conveyed to a living area through the warm water supply pipeline for daily use of people;
s3, after the high-temperature gas in the flow divider enters the second tubular heat exchanger through the second gas supply pipeline, the high-temperature gas heats cold water entering the second tubular heat exchanger through the second tubular heat exchanger, the heated cold water in the second tubular heat exchanger enters the electric heating device, the electric heating device boils the cold water, and the cold water is finally supplied to a living area through a boiled water supply pipeline for daily use of people;
s4, in winter, when high-temperature gas in the flow divider enters the smoke dust filtering device through the third gas supply pipeline, the high-temperature gas filtered by the smoke dust filtering device enters the main heating pipeline, the heating purification device arranged in the middle section of the main heating pipeline can further purify the high-temperature gas, the purified high-temperature gas enters the direction divider, and the direction divider can supply the high-temperature gas to a living area through a plurality of branch heating pipes respectively so as to heat the living area in winter;
and S5, enabling the flue gas discharged from the first exhaust pipeline and the second exhaust pipeline to enter a cooling tower through a discharge pipeline, and finally discharging the flue gas after being cooled by the cooling tower.
(III) advantageous effects
The invention provides a waste heat utilization system of a steam turbine of a thermal power plant. The method has the following beneficial effects:
1. this steam turbine waste heat utilization system of thermal power plant through shunting the processing, both can satisfy the supply of warm water, boiling water and heating installation among the daily life, also can carry out high-efficient processing to harmful flue gas simultaneously, neither can cause certain air pollution, also can not cause a large amount of wasting of resources simultaneously to energy-concerving and environment-protective more.
2. This thermal power plant's steam turbine waste heat utilization system through design warm water supply system, boiling water supply system, heating installation supply system and cooling discharge system, can realize abundant effectual utilization to the a large amount of waste heat that produce when the steam turbine generates electricity to make its holistic work efficiency improve greatly.
Drawings
FIG. 1 is a schematic structural diagram of a waste heat utilization system of a steam turbine of a thermal power plant;
FIG. 2 is a schematic structural diagram of a warm water supply system in a waste heat utilization system of a steam turbine of a thermal power plant according to the present invention;
FIG. 3 is a schematic structural diagram of a water supply system in the waste heat utilization system of the steam turbine of the thermal power plant;
FIG. 4 is a schematic structural diagram of a heating supply system in a waste heat utilization system of a steam turbine of a thermal power plant according to the present invention;
fig. 5 is a schematic structural diagram of a cooling and discharging system in the waste heat utilization system of the steam turbine of the thermal power plant.
Wherein, 1, a steam turbine body; 2. leading a heat pipeline; 3. a flow divider; 4. a warm water supply system; 401. a first gas supply duct; 402. a first tubular heat exchanger; 403. a first flow valve; 404. a first exhaust duct; 405. a first cold water supply conduit; 406. a warm water supply pipe; 5. a boiled water supply system; 501. a second gas supply duct; 502. a second tubular heat exchanger; 503. a second flow valve; 504. a second exhaust conduit; 505. a second cold water supply conduit; 506. an electric heating device; 507. a boiled water supply pipeline; 6. a heating supply system; 601. a third gas supply duct; 602. a smoke dust filtering device; 603. a third flow valve; 604. a main heating conduit; 605. a diverter; 606. a heating purification device; 607. dividing a heating pipe; 7. a cooling exhaust system; 701. a cooling tower; 702. a discharge conduit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in fig. 1 to 5, an embodiment of the present invention provides a waste heat utilization system for a steam turbine of a thermal power plant, including a steam turbine body 1, one end of the steam turbine body 1 is fixedly connected with a main heat pipe 2, one end of the main heat pipe 2, which is far away from the steam turbine body 1, is fixedly connected with a flow divider 3, one end of the flow divider 3, which is far away from the main heat pipe 2, is respectively and fixedly connected with a warm water supply system 4, a boiled water supply system 5 and a warm air supply system 6, and one ends of the warm water supply system 4 and the boiled water supply system 5, which are far away;
the warm water supply system 4 comprises a first air supply pipeline 401, one end of the flow divider 3, which is far away from the main heat transfer pipeline 2, is fixedly connected with the first air supply pipeline 401, one end of the first air supply pipeline 401, which is far away from the flow divider 3, is fixedly connected with a first tubular heat exchanger 402, the middle section of the first air supply pipeline 401 is provided with a first flow valve 403 corresponding to the first tubular heat exchanger 402, one end of an air outlet of the first tubular heat exchanger 402 is fixedly connected with a first exhaust pipeline 404, one end of an water inlet of the first tubular heat exchanger 402 is fixedly connected with a first cold water supply pipeline 405, and one end of a water outlet of the first tubular heat exchanger 402 is fixedly connected;
the boiled water supply system 5 comprises a second air supply pipeline 501, one end of the flow divider 3, which is far away from the main heat transfer pipeline 2, is fixedly connected with the second air supply pipeline 501, one end of the second air supply pipeline 501, which is far away from the flow divider 3, is fixedly connected with a second tubular heat exchanger 502, a second flow valve 503 corresponding to the second tubular heat exchanger 502 is installed in the middle section of the second air supply pipeline 501, one end of an air outlet of the second tubular heat exchanger 502 is fixedly connected with a second exhaust pipeline 504, one end of an water inlet of the second tubular heat exchanger 502 is fixedly connected with a second cold water supply pipeline 505, one end of a water outlet of the second tubular heat exchanger 502 is fixedly connected with an electric heating device 506, and one end of a water outlet;
the heating supply system 6 comprises a third air supply pipeline 601, one end of the flow divider 3 far away from the main heat supply pipeline 2 is fixedly connected with the third air supply pipeline 601, one end of the third air supply pipeline 601 far away from the flow divider 3 is fixedly connected with a smoke filter 602, the middle section of the third air supply pipeline 601 is provided with a third flow valve 603 corresponding to the smoke filter 602, one end of the smoke filter 602 far away from the third air supply pipeline 601 is fixedly connected with a main heating pipeline 604, one end of the main heating pipeline 604 far away from the smoke filter 602 is fixedly connected with a diverter 605, the middle section of the main heating pipeline 604 is provided with a heating purification device 606 corresponding to the diverter 605, and one end of the diverter 605 far away from the main heating pipeline 604 is fixedly connected with a plurality of branch heating pipes 607;
the cooling discharge system 7 comprises a cooling tower 701 and a discharge pipeline 702, the discharge pipeline 702 is fixedly connected to one ends of the first exhaust pipeline 404 and the second exhaust pipeline 504 far away from the first tubular heat exchanger 402 and the second tubular heat exchanger 502, and the cooling tower 701 is fixedly connected to one end of the discharge pipeline 702 far away from the warm water supply system 4 and the boiled water supply system 5.
An operation method of a waste heat utilization system of a steam turbine of a thermal power plant comprises the following specific contents:
s1, a steam turbine body 1 can generate a large amount of high-temperature gas during thermal power generation, the large amount of high-temperature gas can enter a flow divider 3 through a main heat conducting pipeline 2, and the high-temperature gas entering the flow divider 3 can respectively flow out through a plurality of gas outlets of the flow divider 3;
s2, after high-temperature gas in the flow divider 3 enters the first tubular heat exchanger 402 through the first gas supply pipeline 401, the high-temperature gas can heat cold water entering the first tubular heat exchanger 402 through the first cold water supply pipeline 405, and the cold water after being heated in the first tubular heat exchanger 402 can be conveyed to a living area through the warm water supply pipeline 406 for daily use of people;
s3, after the high-temperature gas in the flow divider 3 enters the second tubular heat exchanger 502 through the second gas supply pipeline 501, the high-temperature gas can heat cold water entering the second tubular heat exchanger 502 through the second tubular heat exchanger 502, the heated cold water in the second tubular heat exchanger 502 can enter the electric heating device 506, the electric heating device 506 can boil the cold water, and the cold water is finally supplied to a living area through the boiled water supply pipeline 507 for daily use of people;
s4, in winter, when the high-temperature gas in the flow divider 3 enters the smoke dust filtering device 602 through the third gas supply pipeline 601, the high-temperature gas filtered by the smoke dust filtering device 602 enters the main heating pipeline 604, the high-temperature gas is further purified by the heating purification device 606 arranged in the middle section of the main heating pipeline 604, the purified high-temperature gas enters the flow divider 605, and the high-temperature gas is supplied to the living area through the branch heating pipes 607 by the flow divider 605 so as to be heated by the living area in winter;
s5, the flue gas exhausted from the first exhaust pipeline 404 and the second exhaust pipeline 504 enters the cooling tower 701 through the exhaust pipeline 702 and is finally exhausted after being cooled by the cooling tower 701, the cooling tower 701 can filter and cool the exhausted flue gas, the gas cooled by cooling cannot cause air pollution, and meanwhile, a large amount of resource waste is avoided, so that the energy conservation and the environmental protection are realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a steam turbine waste heat utilization system of thermal power plant, includes steam turbine body (1), its characterized in that: one end of the steam turbine body (1) is fixedly connected with a main heat pipeline (2), one end, far away from the steam turbine body (1), of the main heat pipeline (2) is fixedly connected with a flow divider (3), one end, far away from the main heat pipeline (2), of the flow divider (3) is fixedly connected with a warm water supply system (4), a boiled water supply system (5) and a warm air supply system (6) respectively, and one ends, far away from the flow divider (3), of the warm water supply system (4) and the boiled water supply system (5) are fixedly connected with a cooling discharge system (7);
the warm water supply system (4) comprises a first air supply pipeline (401), one end, far away from the main heat transfer pipeline (2), of the flow divider (3) is fixedly connected with the first air supply pipeline (401), one end, far away from the flow divider (3), of the first air supply pipeline (401) is fixedly connected with a first tubular heat exchanger (402), the middle section of the first air supply pipeline (401) is provided with a first flow valve (403) corresponding to the first tubular heat exchanger (402), one end of the air outlet of the first tubular heat exchanger (402) is fixedly connected with a first exhaust pipeline (404), one end of the water inlet of the first tubular heat exchanger (402) is fixedly connected with a first cold water supply pipeline (405), and one end of the water outlet of the first tubular heat exchanger (402) is fixedly connected with a warm water supply pipeline (406);
the boiled water supply system (5) comprises a second air supply pipeline (501), one end of the flow divider (3) far away from the main heat conducting pipeline (2) is fixedly connected with the second air supply pipeline (501), one end of the second gas supply pipeline (501) far away from the flow divider (3) is fixedly connected with a second tubular heat exchanger (502), a second flow valve (503) corresponding to the second tubular heat exchanger (502) is arranged at the middle section of the second gas supply pipeline (501), one end of the air outlet of the second tubular heat exchanger (502) is fixedly connected with a second exhaust pipeline (504), one end of the water inlet of the second tubular heat exchanger (502) is fixedly connected with a second cold water supply pipeline (505), one end of the water outlet of the second tubular heat exchanger (502) is fixedly connected with an electric heating device (506), one end of the water outlet of the electric heating device (506) is fixedly connected with a boiled water supply pipeline (507);
the heating supply system (6) comprises a third air supply pipeline (601), one end of the flow divider (3) far away from the main heat guide pipeline (2) is fixedly connected with the third air supply pipeline (601), one end of the third gas supply pipeline (601) far away from the flow divider (3) is fixedly connected with a smoke dust filtering device (602), a third flow valve (603) corresponding to the smoke dust filtering device (602) is arranged at the middle section of the third air supply pipeline (601), one end of the smoke dust filtering device (602) far away from the third air supply pipeline (601) is fixedly connected with a main heating pipeline (604), one end of the main heating pipeline (604) far away from the smoke dust filtering device (602) is fixedly connected with a diverter (605), a heating purification device (606) corresponding to the diverter (605) is arranged at the middle section of the main heating pipeline (604), one end of the diverter (605), which is far away from the main heating pipeline (604), is fixedly connected with a plurality of branch heating pipes (607);
the cooling discharge system (7) comprises a cooling tower (701) and a discharge pipeline (702), wherein the first discharge pipeline (404) and the second discharge pipeline (504) are fixedly connected with the discharge pipeline (702) at one ends far away from the first tubular heat exchanger (402) and the second tubular heat exchanger (502), and the discharge pipeline (702) is fixedly connected with the cooling tower (701) at one ends far away from the warm water supply system (4) and the boiled water supply system (5).
2. The operation method of the waste heat utilization system of the steam turbine of the thermal power plant according to claim 1, characterized by comprising the following concrete contents:
s1, a steam turbine body (1) can generate a large amount of high-temperature gas during thermal power generation, the large amount of high-temperature gas can enter a flow divider (3) through a main heat conducting pipeline (2), and the high-temperature gas entering the flow divider (3) can respectively flow out through a plurality of gas outlets of the flow divider (3);
s2, after high-temperature gas in the flow divider (3) enters the first tubular heat exchanger (402) through the first gas supply pipeline (401), the high-temperature gas heats cold water entering the first tubular heat exchanger (402) through the first cold water supply pipeline (405), and the heated cold water in the first tubular heat exchanger (402) is conveyed to a living area through the warm water supply pipeline (406) for daily use of people;
s3, after the high-temperature gas in the flow divider (3) enters the second tubular heat exchanger (502) through the second gas supply pipeline (501), the high-temperature gas can heat cold water entering the second tubular heat exchanger (502) through the second tubular heat exchanger (502), the heated cold water in the second tubular heat exchanger (502) enters the electric heating device (506), the electric heating device (506) can boil the cold water, and the hot water is finally supplied to a living area through the hot water supply pipeline (507) for daily use of people;
s4, in winter, when high-temperature gas in the flow divider (3) enters the smoke dust filtering device (602) through the third gas supply pipeline (601), the high-temperature gas filtered by the smoke dust filtering device (602) enters the main heating pipeline (604), the heating gas purifying device (606) installed in the middle section of the main heating pipeline (604) can further purify the high-temperature gas, the purified high-temperature gas enters the flow divider (605), and the flow divider (605) can respectively supply the high-temperature gas to a living area through a plurality of branch heating pipes (607) so as to heat the living area in winter;
s5, the flue gas exhausted from the first exhaust pipeline (404) and the second exhaust pipeline (504) enters the cooling tower (701) through the exhaust pipeline (702), and is finally cooled by the cooling tower (701) and then exhausted.
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| CN202110311837.8A CN113107627A (en) | 2021-03-24 | 2021-03-24 | Waste heat utilization system of steam turbine of thermal power plant |
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| CN202110311837.8A CN113107627A (en) | 2021-03-24 | 2021-03-24 | Waste heat utilization system of steam turbine of thermal power plant |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2729336Y (en) * | 2004-06-04 | 2005-09-28 | 谢险峰 | Device for supplying hot water and heating utilizing steam residual-heat of electric power plant |
| CN202647717U (en) * | 2012-07-19 | 2013-01-02 | 中国电力工程顾问集团华东电力设计院 | Thermal power plant waste heat utilization system and thermal power generating unit |
| CN203717051U (en) * | 2013-12-31 | 2014-07-16 | 华电电力科学研究院 | Combined cycling low-temperature exhaust heat recycling device |
| JP2020143653A (en) * | 2019-03-08 | 2020-09-10 | 栗田工業株式会社 | Power generation and water treatment system |
-
2021
- 2021-03-24 CN CN202110311837.8A patent/CN113107627A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2729336Y (en) * | 2004-06-04 | 2005-09-28 | 谢险峰 | Device for supplying hot water and heating utilizing steam residual-heat of electric power plant |
| CN202647717U (en) * | 2012-07-19 | 2013-01-02 | 中国电力工程顾问集团华东电力设计院 | Thermal power plant waste heat utilization system and thermal power generating unit |
| CN203717051U (en) * | 2013-12-31 | 2014-07-16 | 华电电力科学研究院 | Combined cycling low-temperature exhaust heat recycling device |
| JP2020143653A (en) * | 2019-03-08 | 2020-09-10 | 栗田工業株式会社 | Power generation and water treatment system |
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Application publication date: 20210713 |