CN110848725A - Multipurpose flue gas waste heat recovery device and recovery method for thermal power plant - Google Patents
Multipurpose flue gas waste heat recovery device and recovery method for thermal power plant Download PDFInfo
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- CN110848725A CN110848725A CN201911269433.6A CN201911269433A CN110848725A CN 110848725 A CN110848725 A CN 110848725A CN 201911269433 A CN201911269433 A CN 201911269433A CN 110848725 A CN110848725 A CN 110848725A
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 99
- 239000003546 flue gas Substances 0.000 title claims abstract description 99
- 239000002918 waste heat Substances 0.000 title claims abstract description 33
- 238000011084 recovery Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 210
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical group O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 24
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 238000000605 extraction Methods 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 2
- 238000010586 diagram 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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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
-
- 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
- F24D3/02—Hot-water central heating systems with forced circulation, e.g. by pumps
-
- 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
- F24D3/08—Hot-water central heating systems in combination with systems for domestic hot-water supply
-
- 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
- F24D2200/00—Heat sources or energy sources
- F24D2200/16—Waste heat
- F24D2200/18—Flue gas recuperation
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Water Supply & Treatment (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The invention discloses a multipurpose flue gas waste heat recovery device and a multipurpose flue gas waste heat recovery method for a thermal power plant, wherein the multipurpose flue gas waste heat recovery device comprises a flue gas heat exchanger arranged in an outlet flue of an induced draft fan and a domestic water heater arranged on a bypass; the flue gas heat exchanger is a gas-water heat exchanger, and a water inlet pipe of the flue gas heat exchanger is respectively connected with an outlet of the first low-pressure heater and an outlet main pipe of a circulating water pump of a heat supply network; a pressure boosting device is arranged on the water inlet pipe; a water outlet pipe of the water-cooled heat pump is respectively connected with a water side inlet of a second low-pressure heater and a circulating water outlet main pipe of a heat supply network heater; the domestic water heater is a water-water heat exchanger, a first water inlet pipe of the domestic water heater is connected with a water outlet pipe of the flue gas heat exchanger, and a first water outlet pipe of the domestic water heater is connected with a water inlet pipe of the flue gas heat exchanger; the second water inlet pipe of the domestic water heater is connected with the cold water pipe of the domestic water system, and the second water outlet pipe of the domestic water heater is connected with the water inlet pipe of the domestic water system. The invention can reduce the temperature of the flue gas, efficiently recover the waste heat of the flue gas system at the outlet of the boiler and improve the heat economy of the unit.
Description
Technical Field
The invention relates to a flue gas system of a thermal power plant, in particular to a multipurpose flue gas waste heat recovery device and a multipurpose flue gas waste heat recovery method of the thermal power plant.
Background
The temperature of the flue gas at the outlet of the boiler of the thermal power plant is usually 120-150 ℃, the heat loss of the flue gas and the thermal pollution to the environment are very large, and if the part of the discharged heat can be efficiently recycled, the method makes a great contribution to the energy conservation and emission reduction of the thermal power plant.
Disclosure of Invention
The invention aims to provide a multipurpose flue gas waste heat recovery device and a multipurpose flue gas waste heat recovery method aiming at the problems of a flue gas system in a thermal power plant.
In order to achieve the purpose, the invention adopts the following technical scheme:
a multipurpose flue gas waste heat recovery device of a thermal power plant is characterized by comprising a flue gas heat exchanger arranged in a flue at the outlet of an induced draft fan and a domestic water heater arranged on a bypass;
the flue gas heat exchanger is a gas-water heat exchanger, and a water inlet pipe of the flue gas heat exchanger is respectively connected with an outlet of the first low-pressure heater and an outlet main pipe of a circulating water pump of a heat supply network; a pressure boosting device is arranged on the water inlet pipe; a water outlet pipe of the water-cooled heat pump is respectively connected with a water side inlet of a second low-pressure heater and a circulating water outlet main pipe of a heat supply network heater; the first low-pressure heater is the heater with the lowest steam extraction parameter of the turbine regenerative system, and the steam extraction parameter of the second low-pressure heater is higher than that of the first low-pressure heater by one grade.
The domestic water heater is a water-water heat exchanger, a first water inlet pipe of the domestic water heater is connected with a water outlet pipe of the flue gas heat exchanger, and a first water outlet pipe of the domestic water heater is connected with a water inlet pipe of the flue gas heat exchanger; the second water inlet pipe of the domestic water heater is connected with a cold water pipe of a domestic water system, and the second water outlet pipe of the domestic water heater is connected with a water inlet pipe of the domestic water system.
Preferably, the water inlet end of the flue gas heat exchanger is provided with a first manual stop valve, and the water outlet end of the flue gas heat exchanger is provided with a second manual stop valve.
Preferably, the boosting device comprises two boosting pumps connected in parallel, a first manual gate valve is arranged at a water inlet end of each boosting pump, and a check valve and a third electric gate valve are sequentially arranged at a water outlet end of each boosting pump.
Preferably, the outlet ends of the outlet main pipes of the first low-pressure heater and the heat supply network circulating water pump are respectively provided with a first electric gate valve and a second electric gate valve;
and a fifth electric gate valve and a sixth electric gate valve are respectively arranged on the water side inlet of the second low-pressure heater and the circulating water outlet main pipe of the heat supply network heater.
Preferably, the first water inlet pipe of the domestic water heater is provided with a fourth manual gate valve and a second electric regulating valve; and a fifth manual gate valve is arranged on the first water outlet pipe.
Preferably, a second manual gate valve, a first electric regulating valve and a third manual gate valve are arranged on a pipeline between the first water inlet pipe of the domestic water heater and the water side inlet of the second low-pressure heater, and a fourth electric gate valve is arranged on a bypass of the pipeline.
A multipurpose flue gas waste heat recovery method for a thermal power plant comprises the following steps:
a flue gas heat exchanger is arranged in an outlet flue of the induced draft fan, and a domestic water heater is arranged on a bypass of the flue gas heat exchanger;
in the non-heating period, the condensed water at the water side inlet of the first low-pressure heater is heated by the flue gas heat exchanger and flows back to the water side inlet of the low-pressure heater after being heated;
in the heating period, circulating water of a circulating water pump outlet main pipe of a heat supply network is heated by a flue gas heat exchanger and flows back to a circulating water outlet main pipe of a heat supply network heater after being heated;
in the heating period and the non-heating period, the domestic water heater continuously heats the water of the domestic water system through the water heated by the flue gas heat exchanger, so that the temperature of the water at the outlet of the domestic water is raised to over 65 ℃; the flue gas heat exchanger reduces the temperature of the flue gas by 10-15 ℃ at the same time, so that the waste heat of the flue gas is recovered.
Compared with the prior art, the invention has the following advantages:
the multipurpose flue gas waste heat recovery device for the thermal power plant comprises a flue gas heat exchanger arranged in a flue at the outlet of an induced draft fan, wherein gas-water heat exchange is adopted, and flue gas waste heat is utilized to heat condensed water at the temperature of 80 ℃ below zero at the outlet of a first low-pressure heater to 90 ℃ in a non-heating period; heating the circulating water of the heat supply network from 70 ℃ to 100 ℃ in the heating period; the bypass is arranged, the domestic water heater is installed, water-water heat exchange is adopted, the domestic water heater is used for heating domestic water all year round, the domestic water inlet water temperature is 20 ℃, the domestic water outlet water temperature is 65 ℃, and the flue gas waste heat recovery device simultaneously reduces the flue gas temperature by 10-15 ℃, so that the waste heat of a flue gas system at the outlet of the boiler is efficiently recovered, the heat economy of the unit is improved, and great contribution is made to energy conservation and emission reduction of the thermal power plant.
According to the flue gas waste heat recovery method, the flue gas heat exchanger arranged in the flue of the outlet of the induced draft fan and the domestic water heater arranged on the bypass are used for recycling the flue gas waste heat at the outlet of the boiler, condensed water is heated in the non-heating period, circulating water of a heat supply network is heated in the heating period, domestic water is heated all the year round, the temperature of flue gas is reduced by 10-15 ℃, the waste heat of a flue gas system at the outlet of the boiler can be efficiently recovered, the heat economy of a unit is improved, and great contribution is made to energy conservation and emission reduction of a thermal power plant.
Drawings
FIG. 1 is a schematic diagram of a multipurpose flue gas waste heat recovery device of a thermal power plant of the present invention;
in the figure: 1-first (No. 7) low pressure heater outlet condensate; 2-a first electric gate valve; 3-heat supply network circulating water pump outlet main pipe; 4-a second electric gate valve; 5-a first manual gate valve; 6-a booster pump; 7-a check valve; 8-a third electric gate valve; 9-a first manual stop valve; 10-a flue gas heater; 11-a second manual stop valve; 12-a second manual gate valve; 13-a first electropneumatic regulating valve; 14-a third manual gate valve; 15-a fourth electric gate valve; 16-a fifth electric gate valve; 17-a sixth electric gate valve; 18-a fourth manual gate valve; 19-a second electrically operated regulating valve; 20-a domestic water heater; 21-fifth manual gate valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the multipurpose flue gas waste heat recovery device of the thermal power plant comprises a flue gas heat exchanger 10 arranged in a flue at an outlet of an induced draft fan and a domestic water heater 20 arranged on a bypass;
the flue gas heat exchanger 10 is a gas-water heat exchanger, and a water inlet pipe of the flue gas heat exchanger is respectively connected with a condensate water outlet of a first (No. 7) low-pressure heater and a heat supply network circulating water pump outlet main pipe; a pressure boosting device is arranged on the water inlet pipe; the water outlet pipe of the water heater is respectively connected with a water side inlet of a second (No. 6) low-pressure heater and a circulating water outlet main pipe of a heat supply network heater; and the first (No. 7) low-pressure heater is the heater with the lowest steam extraction parameter of the turbine regenerative system, and the steam extraction parameter of the second (No. 6) low-pressure heater is higher than the first (No. 7) low-pressure heater by one grade.
The domestic water heater 20 is a water-water heat exchanger, a first water inlet pipe of the domestic water heater is connected with a water outlet pipe of the flue gas heat exchanger 10, and a first water outlet pipe of the domestic water heater is connected with a water inlet pipe of the flue gas heat exchanger 10; the domestic water heater 20 is connected with the domestic water system cold water pipe through a second water inlet pipe, and is connected with the domestic water system water inlet pipe through a second water outlet pipe.
The water inlet end of the flue gas heat exchanger 10 is provided with a first manual stop valve 9, and the water outlet end of the flue gas heat exchanger is provided with a second manual stop valve 11. The booster unit includes two parallelly connected booster pumps 6, and booster pump 6's the end of intaking is provided with first manual gate valve 5, and the end of going out water has set gradually check valve 7 and third electric gate valve 8.
The outlet end of the first (No. 7) low-pressure heater outlet and the outlet main pipe of the heat supply network circulating water pump are respectively provided with a first electric gate valve 2 and a second electric gate valve 4; and a water side inlet of the second (No. 6) low-pressure heater and a circulating water outlet main pipe of the heat supply network heater are respectively provided with a fifth electric gate valve 16 and a sixth electric gate valve 17.
The first water inlet pipe of the domestic water heater 20 is provided with a fourth manual gate valve 18 and a second electric regulating valve 19; and a fifth manual gate valve 21 is arranged on the first water outlet pipe.
The pipeline between the first inlet tube of domestic water heater 20 and the second (No. 6) low pressure heater water side entry is provided with second manual gate valve 12, first electrical control valve 13 and third manual gate valve 14, and the pipeline still bypass is provided with fourth electrical gate valve 15.
The principle of the invention is as follows: a flue gas heat exchanger arranged in an outlet flue of the induced draft fan and a domestic water heater 20 arranged on a bypass; the flue gas heat exchanger 10 is a gas-water heat exchanger, and the first (No. 7) low-temperature condensed water with the outlet of 80 ℃ is heated to 90 ℃ in the non-heating period; heating the circulating water of the heat supply network from 70 ℃ to 100 ℃ in the heating period; a bypass is arranged, a domestic water heater is installed for heating domestic water, the domestic water heater is a water-water heat exchanger and can heat the domestic water all the year around, the temperature of the domestic water at the inlet is 20 ℃, and the temperature of the domestic water at the outlet is 65 ℃; the flue gas heat exchanger reduces the temperature of the flue gas by 10-15 ℃, so that the waste heat of the flue gas is recycled, and the heat economy of the unit is improved.
The invention also provides a multipurpose flue gas waste heat recovery method for the thermal power plant, which comprises the following steps:
a flue gas heat exchanger 10 is arranged in an outlet flue of the induced draft fan, and a domestic water heater 20 is arranged on a bypass of the flue gas heat exchanger 10;
in a non-heating period, the condensed water at the water side outlet of the first (No. 7) low-pressure heater is heated by the flue gas heat exchanger 10 and flows back to the water side inlet of the second (No. 6) low-pressure heater after being heated;
in the heating period, circulating water of the outlet main pipe of the circulating water pump of the heat supply network is heated by the flue gas heat exchanger 10 and flows back to the outlet main pipe of the circulating water of the heater of the heat supply network after being heated;
in the heating period and the non-heating period, the domestic water heater 20 continuously heats the water of the domestic water system through the water heated by the flue gas heat exchanger 10, so that the temperature of the domestic water outlet water is raised to be more than 65 ℃; the flue gas heat exchanger 10 simultaneously reduces the temperature of the flue gas by 10-15 ℃, thereby recovering the waste heat of the flue gas.
Examples
Referring to fig. 1, the invention comprises a flue gas heat exchanger 10 arranged in a flue at the outlet of an induced draft fan and a domestic water heater 20 arranged outside the flue; the flue gas heat exchanger 10 is a gas-water heat exchanger.
And in the non-heating period, the second electric gate valve 4 and the sixth electric gate valve 17 are closed, condensed water from the No. 7 low-pressure heater 1 with the outlet of 80 ℃ enters the flue gas heater 10 through the first electric gate valve 2, the first manual gate valve 5 arranged on the main circuit, the booster pump 6, the check valve 7, the third electric gate valve 8 and the first manual stop valve 9 to be heated to 90 ℃, and then enters the flue gas heater 10 through the second manual stop valve 11, the second manual gate valve 12, the first electric control valve 13, the third manual gate valve 14, the fourth electric gate valve 15, the fifth electric gate valve 16 and returns to the No. 6 low-pressure heater water side inlet 22. The booster pump 6 is operated for one time and is standby for another time.
The flue gas heat exchanger 10 is closed at the first electric gate valve 2 and the fifth electric gate valve 16 in the heating period, and heat supply network circulating water from the heat supply network circulating water pump 3 at an outlet main pipe of 70 ℃ enters the flue gas heater 10 through the second electric gate valve 4, the first manual gate valve 5, the booster pump 6, the check valve 7, the third electric gate valve 8 and the first manual stop valve 9 and is heated to 90 ℃, and then passes through the second manual stop valve 11, the second manual gate valve 12, the first electric regulating valve 13, the third manual gate valve 14, the fourth electric gate valve 15 and the sixth electric gate valve 17 arranged on the main circuit and returns to the heat supply network heater circulating water outlet main pipe 23.
The domestic water heater 20 arranged on the bypass is a water-water heat exchanger and passes through a fourth manual gate valve 18; the second electric regulating valve 19, the domestic water heater 20 and the fifth manual gate valve 21 heat the domestic water with the temperature of 20 ℃ to 65 ℃, and the bypass water quantity is regulated by the second electric regulating valve 19 according to the domestic water quantity.
The above description is only a preferred embodiment of the present invention, and the system is for a 300MW class thermal power plant and is not intended to limit the present invention in any way, and it will be understood by those skilled in the art that the present invention may be modified in several ways or replaced easily without departing from the spirit and principle of the present invention, and the modifications and substitutions also fall within the scope defined by the appended claims.
Claims (7)
1. A multipurpose flue gas waste heat recovery device of a thermal power plant is characterized by comprising a flue gas heat exchanger (10) arranged in a flue at the outlet of an induced draft fan and a domestic water heater (20) arranged on a bypass;
the flue gas heat exchanger (10) is a gas-water heat exchanger, and a water inlet pipe of the flue gas heat exchanger is respectively connected with an outlet of the first low-pressure heater and an outlet main pipe of a circulating water pump of a heat supply network; a pressure boosting device is arranged on the water inlet pipe; a water outlet pipe of the water-cooled heat pump is respectively connected with a water side inlet of a second low-pressure heater and a circulating water outlet main pipe of a heat supply network heater;
the domestic water heater (20) is a water-water heat exchanger, a first water inlet pipe of the domestic water heater is connected with a water outlet pipe of the flue gas heat exchanger (10), and a first water outlet pipe of the domestic water heater is connected with a water inlet pipe of the flue gas heat exchanger (10); and a second water inlet pipe of the domestic water heater (20) is connected with a cold water outlet pipe of the domestic water system, and a second water outlet pipe is connected with a hot water inlet pipe of the domestic water system.
2. The multipurpose flue gas waste heat recovery device of the thermal power plant as claimed in claim 1, wherein: the water inlet end of the flue gas heat exchanger (10) is provided with a first manual stop valve (9), and the water outlet end is provided with a second manual stop valve (11).
3. The multipurpose flue gas waste heat recovery device of the thermal power plant as claimed in claim 1, wherein: the booster device comprises two booster pumps (6) connected in parallel, a first manual gate valve (5) is arranged at the water inlet end of each booster pump (6), and a check valve (7) and a third electric gate valve (8) are sequentially arranged at the water outlet end of each booster pump.
4. The multipurpose flue gas waste heat recovery device of the thermal power plant as claimed in claim 1, wherein: a first electric gate valve (2) and a second electric gate valve (4) are respectively arranged at the water outlet end of the water side outlet of the first low-pressure heater and the water outlet end of the outlet main pipe of the heat supply network circulating water pump;
and a fifth electric gate valve (16) and a sixth electric gate valve (17) are respectively arranged on the water side inlet of the second low-pressure heater and the circulating water outlet main pipe of the heat supply network heater.
5. The multipurpose flue gas waste heat recovery device of the thermal power plant as claimed in claim 1, wherein: a fourth manual gate valve (18) and a second electric regulating valve (19) are arranged on a first water inlet pipe of the domestic water heater (20); and a fifth manual gate valve (21) is arranged on the first water outlet pipe.
6. The multipurpose flue gas waste heat recovery device of the thermal power plant as claimed in claim 1, wherein: the domestic water heater is characterized in that a second manual gate valve (12), a first electric regulating valve (13) and a third manual gate valve (14) are arranged on a pipeline between a first water inlet pipe of the domestic water heater (20) and a water side inlet of the second low-pressure heater, and a fourth electric gate valve (15) is arranged on a pipeline bypass.
7. A multipurpose flue gas waste heat recovery method for a thermal power plant is characterized by comprising the following steps:
a flue gas heat exchanger (10) is arranged in an outlet flue of the induced draft fan, and a domestic water heater (20) is arranged on a bypass of the flue gas heat exchanger (10);
in the non-heating period, the condensed water at the water side outlet of the first low-pressure heater is heated by the flue gas heat exchanger (10) and flows back to the water side inlet of the second low-pressure heater after being heated;
in the heating period, circulating water of a circulating water pump outlet main pipe of a heat supply network is heated by a flue gas heat exchanger (10) and flows back to a circulating water outlet main pipe of a heat supply network heater after being heated;
in the heating period and the non-heating period, the domestic water heater (20) continuously heats cold water of the domestic water system through the water heated by the flue gas heat exchanger (10) to ensure that the temperature of the domestic water outlet water is raised to over 65 ℃; the flue gas heat exchanger (10) reduces the temperature of the flue gas by 10-15 ℃ at the same time, so that the waste heat of the flue gas is recovered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911269433.6A CN110848725A (en) | 2019-12-11 | 2019-12-11 | Multipurpose flue gas waste heat recovery device and recovery method for thermal power plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911269433.6A CN110848725A (en) | 2019-12-11 | 2019-12-11 | Multipurpose flue gas waste heat recovery device and recovery method for thermal power plant |
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| CN110848725A true CN110848725A (en) | 2020-02-28 |
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| CN201911269433.6A Pending CN110848725A (en) | 2019-12-11 | 2019-12-11 | Multipurpose flue gas waste heat recovery device and recovery method for thermal power plant |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060796A (en) * | 2021-11-02 | 2022-02-18 | 中国船舶重工集团公司第七0三研究所 | Take exhaust-heat boiler extension economizer system of one-level deoxidization heat source |
| CN114353572A (en) * | 2021-05-29 | 2022-04-15 | 上海俊圣机电工程有限公司 | Boiler waste heat recovery system, method and equipment and storage medium |
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2019
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| CN201892201U (en) * | 2010-07-12 | 2011-07-06 | 中国电力工程顾问集团华东电力设计院 | Two-level smoke heat exchanger system applied to thermal power plant |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114353572A (en) * | 2021-05-29 | 2022-04-15 | 上海俊圣机电工程有限公司 | Boiler waste heat recovery system, method and equipment and storage medium |
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