CN114046524A - Device for supplying heat by using waste heat of low-temperature flue gas of boiler - Google Patents

Device for supplying heat by using waste heat of low-temperature flue gas of boiler Download PDF

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Publication number
CN114046524A
CN114046524A CN202111503651.9A CN202111503651A CN114046524A CN 114046524 A CN114046524 A CN 114046524A CN 202111503651 A CN202111503651 A CN 202111503651A CN 114046524 A CN114046524 A CN 114046524A
Authority
CN
China
Prior art keywords
flue gas
waste heat
boiler
filter
water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111503651.9A
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Chinese (zh)
Inventor
周贤
彭烁
钟迪
安航
白烨
黄永琪
姚国鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huaneng Clean Energy Research Institute
Huaneng Yingkou Thermal Power Co Ltd
Original Assignee
Huaneng Clean Energy Research Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huaneng Clean Energy Research Institute filed Critical Huaneng Clean Energy Research Institute
Priority to CN202111503651.9A priority Critical patent/CN114046524A/en
Publication of CN114046524A publication Critical patent/CN114046524A/en
Pending legal-status Critical Current

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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
    • F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411—Filter cartridges
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
    • F28D7/082—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2217/00—Intercepting solids
    • F23J2217/10—Intercepting solids by filters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
    • 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)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Thermal Sciences (AREA)
  • Geometry (AREA)
  • Chimneys And Flues (AREA)

Abstract

The invention discloses a device for supplying heat by using the waste heat of low-temperature flue gas of a boiler, which comprises a flue gas inlet pipe, a filter box, a boiler flue gas waste heat heating box, a water storage box, a water pump and a filter chimney, wherein the filter box is fixedly arranged on the left side of the flue gas inlet pipe, and a flue gas pipe is fixedly connected on the left side of the filter box. Has good economic and social benefits.

Description

Device for supplying heat by using waste heat of low-temperature flue gas of boiler
Technical Field
The invention belongs to the technical field of heat supply by using low-temperature flue gas waste heat of boilers, and particularly relates to a device for supplying heat by using the low-temperature flue gas waste heat of the boilers.
Background
Along with the rapid development of economy in China, the energy consumption amount is increased day by day, simultaneously, the air quality is worsened day by day, and at present that the requirements for energy conservation, emission reduction and environmental protection are continuously promoted, natural gas is used as clean energy with higher calorific value, and the proportion is continuously increased in urban energy consumption structures in China.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a device for supplying heat by using the waste heat of low-temperature flue gas of a boiler, which has the advantages of convenience in operation and convenience in use, and solves the problems that the existing flue gas directly brings a large amount of heat into the ambient atmosphere, a large amount of energy is wasted, the thermal efficiency of the boiler is reduced, and the flue gas cannot be filtered in the smoke discharging process, so that the environmental pollution is caused.
In order to achieve the purpose, the invention adopts the technical scheme that the device for supplying heat by using the waste heat of the low-temperature flue gas of the boiler comprises a flue gas inlet pipe, a filter box, a boiler flue gas waste heat heating box and a filter chimney;
comprises a filter box connected with the smoke outlet end of the smoke inlet pipe, the filter box is also connected with one end of a smoke exhaust pipe, the smoke inlet pipe and the smoke exhaust pipe are oppositely arranged,
one end of the smoke exhaust pipe, which is far away from the filter box, is connected to a boiler flue gas waste heat heating box, a flue gas pipeline is arranged inside the boiler flue gas waste heat heating box, one end of the flue gas pipeline is connected with the smoke exhaust pipe, and the other end of the flue gas pipeline is connected with a filtering chimney;
and the boiler flue gas waste heat heating box is also provided with a water inlet and a water outlet.
Further, the top fixed mounting of boiler flue gas waste heat heating cabinet has the water storage box, the water storage box passes through the water outlet pipe and connects the water inlet at boiler flue gas waste heat heating cabinet, the upside fixed mounting of outlet pipe has the valve.
Further, the delivery port of boiler flue gas waste heat heating cabinet is connected with drinking-water pipe one end, the drinking-water pipe other end is connected with the water pump, the water pump is provided with the drain pipe.
Furthermore, one end of the water pumping pipe extends into the boiler flue gas waste heat heating box, and a filter screen is installed on the end face of the water pumping pipe.
Further, one end of the smoke pipeline far away from the smoke exhaust pipe is fixedly provided with an air outlet pipe connector, and the air outlet pipe connector is connected with the bottom of the filtering chimney.
Furthermore, a plurality of smoke outlets are formed in the upper side of the first filter plate.
Furthermore, a box cover plate is fixedly arranged at the top of the filtering chimney.
Furthermore, a smoke filter screen is arranged in the filter box and used for filtering smoke entering from the smoke inlet pipe.
Further, the filtering chimney is installed at the top of the boiler flue gas waste heat heating box, a first filter plate is installed inside the filtering chimney, and a second filter plate is fixedly installed on the outer side of the first filter plate.
Furthermore, a water inlet of the boiler flue gas waste heat heating box is higher than a water outlet.
Compared with the prior art, the invention has at least the following beneficial effects: the filter box and the flue gas pipeline are arranged, so that dust impurities in flue gas can be removed, the dust impurities are prevented from entering the curved flue gas pipeline to block the pipeline, the service life of the curved flue gas pipeline is prolonged, the maintenance amount is reduced, the maintenance cost is reduced, the filter chimney, the first filter plate, the smoke outlet and the second filter plate are matched, acid gas and dust in the flue gas can be efficiently absorbed, the flue gas is completely purified, harmful substances in the flue gas can be effectively removed, the flue gas is purified, the environment is protected, the energy-saving and environment-friendly benefits are remarkable, and good economic and social benefits are achieved.
Furthermore, the water outlet pipe is matched with the valve, so that water in the water storage tank can be pumped into the boiler flue gas waste heat heating tank for heating treatment, and the flow rate of the water can be better controlled.
Furthermore, the water pumping pipe, the water pump and the water discharging pipe are matched, so that water heated in the boiler flue gas waste heat heating box can be pumped out conveniently for use.
Furthermore, the filter screen is arranged, so that the effect of filtering water in the boiler flue gas waste heat heating box is achieved, impurities are prevented from entering the water pump to cause blockage of the water pump and influence on water drainage, and the water pumping pipe penetrates through the boiler flue gas waste heat heating box to be beneficial to pumping out the water in the boiler flue gas waste heat heating box.
Furthermore, the flue gas pipeline adopts a one-way curved pipe with curved design, the flow velocity of water in the boiler flue gas waste heat heating box is changed according to the heat quantity and the fluid pressure at different cross sections, the heat exchange capacity of the pipeline is obviously improved, the heat exchange problem caused by uneven pressure at a turning position can be effectively prevented by arranging the variable cross section pipe at the turning position, the cost can be obviously reduced, the heating area of flue gas is enlarged, the heating efficiency of the flue gas waste heat is further improved, the energy waste is effectively avoided, the flue gas pipeline can be more firmly connected with the filtering chimney by arranging the air outlet pipe connector, and the service life of the flue gas pipeline is prolonged.
Furthermore, the smoke outlet holes are formed, so that smoke can be discharged more uniformly, and the influence on the filtering effect caused by one-time discharge of a large amount of smoke during smoke discharge is avoided.
Furthermore, the box cover plate is arranged, so that dust and impurities can be prevented from falling into the filtering chimney, and the phenomenon that the box cover plate is blocked is avoided.
Drawings
FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present invention;
FIG. 2 is a schematic view of the internal structure of a filter cartridge according to an embodiment of the present invention;
FIG. 3 is a top view of a filter cartridge provided by an embodiment of the present invention;
fig. 4 is a perspective view provided by an embodiment of the present invention.
In the figure: 1. a smoke inlet pipe; 2. a filter box; 3. a smoke exhaust pipe; 4. heating a box by using the waste heat of the boiler flue gas; 5. a water storage tank; 6. a water outlet pipe; 7. a valve; 8. a water pumping pipe; 9. a water pump; 10. a drain pipe; 11. a filter screen; 12. a flue gas duct; 13. an air outlet pipe connector; 14. a chimney is filtered; 15. a first filter plate; 16. a smoke outlet; 17. a second filter plate; 18. and a box cover plate.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
The structure of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 4, a device for supplying heat by using the residual heat of low-temperature flue gas of a boiler according to an embodiment of the present invention includes a flue gas inlet pipe 1, a filter box 2, and a boiler flue gas residual heat heating box 4, the water storage tank 5, water pump 9 and filtration chimney 14, the left side fixed mounting who advances tobacco pipe 1 has rose box 2, rose box 2 fixedly connected with discharges fume tub 3, the one end fixed mounting who discharges fume tub 3 and keep away from rose box 2 has boiler flue gas waste heat heating box 4, the top fixed mounting of boiler flue gas waste heat heating box 4 has water storage tank 5, the inside fixed mounting of boiler flue gas waste heat heating box 4 has flue gas pipeline 12, flue gas pipeline 12 and 3 fixed connection of discharging fume tub, the top fixed mounting of boiler flue gas waste heat heating box 4 has filtration chimney 14, the inside fixed mounting who filters chimney 14 has first filter 15, the outside fixed mounting of first filter 15 has second filter 17.
Referring to fig. 1, a water outlet pipe 6 is fixedly installed on the water storage tank 5, a valve 7 is fixedly installed on the upper side of the water outlet pipe 6, and one end of the water outlet pipe 6, which is far away from the water storage tank 5, is fixedly installed on the boiler flue gas waste heat heating tank 4.
Adopt above-mentioned scheme: through the cooperation that sets up outlet pipe 6 and valve 7, be favorable to taking out the interior heating process that carries out of boiler flue gas waste heat heating box 4 with the inside water of water storage box 5, can control the velocity of flow of water better.
Referring to fig. 1, a water pumping pipe 8 is fixedly connected to the right side of the boiler flue gas waste heat heating box 4, a water pump 9 is fixedly mounted on the right side of the water pumping pipe 8, and a water discharging pipe 10 is fixedly mounted on the upper side of the water pump 9.
Adopt above-mentioned scheme: through the cooperation that sets up drinking-water pipe 8, water pump 9 and drain pipe 10, be convenient for take out the water after 4 internal heating of boiler flue gas waste heat heating box, use.
Referring to fig. 1, a water pumping pipe 8 penetrates through the right side of the boiler flue gas waste heat heating box 4, and a filter screen 11 is fixedly installed on the water pumping pipe 8.
Adopt above-mentioned scheme: the filter screen 11 is arranged on the water pumping pipe 8, so that the effect of filtering water in the boiler flue gas waste heat heating box 4 is effectively achieved, impurities are prevented from entering the water pump 9, and the water pump 9 is prevented from being blocked and water drainage is prevented from being influenced; the water pumping pipe 8 penetrates through the boiler flue gas waste heat heating box 4, and water in the boiler flue gas waste heat heating box 4 is favorably pumped out.
Referring to fig. 1, an outlet pipe connector 13 is fixedly installed at one end of the smoke pipeline 12 far away from the smoke discharge pipe 3, and the outlet pipe connector 13 is connected with the bottom of the filtering chimney 14.
Adopt above-mentioned scheme: flue gas pipeline 12 adopts the curved shape design one-way curved line pipe, according to different cross section department thermal size and fluid pressure's variation in size, make the velocity of flow of water in boiler flue gas waste heat heating box 4 change, show the heat transfer ability that improves the pipeline, the setting of turning department variable cross section pipe can effectively prevent because the turning department causes the heat transfer problem that the pressure is uneven to arouse, can show reduce cost, and the heating area of flue gas has been increaseed, and then improve flue gas waste heat's heating efficiency, effectively avoid the waste of the energy, through setting up outlet duct connector 13, flue gas pipeline 12 is connected more firmly with filtration chimney 14 when can, prolong flue gas pipeline 12's life.
Referring to fig. 2 and 3, the first filter 15 has a plurality of smoke holes 16 formed at an upper side thereof, and the smoke holes 16 are formed in plurality.
Adopt above-mentioned scheme: through setting up the cigarette outlet 16, can be more even when making the flue gas discharge, when avoiding going out the cigarette, a large amount of flue gases are once only discharged, influence filterable effect.
Referring to fig. 2, a lid plate 18 is fixedly mounted to the top of the filter cartridge 14.
Adopt above-mentioned scheme: through setting up the case lid board 18, can prevent that dust impurity from falling into inside filtering chimney 14, avoid the case lid board 18 phenomenon that the jam appears.
The working principle of the invention is as follows:
when the device is used, whether the device has a fault is firstly checked, after the check is finished, the smoke is transmitted into the filter box 2 through the smoke inlet pipe 1 to filter the smoke, then the smoke enters the smoke pipeline 12 through the smoke exhaust pipe 3, meanwhile, the valve 7 is opened to enable the water in the water storage box 5 to flow into the boiler smoke waste heat heating box 4 through the water outlet pipe 6 to heat the water in the boiler smoke waste heat heating box 4, after the water heating is finished, the water pump 9 is started to pump the water in the boiler smoke waste heat heating box 4 through the water pumping pipe 8, finally the heated water is discharged through the water discharging pipe 10, then the smoke in the smoke pipeline 12 is discharged into the filter chimney 14 and is discharged into the atmosphere after being filtered by the first filter plate 15 and the second filter plate 17, and the device well considers the factors of energy conservation, environmental protection, social benefit and the like, has the advantages of energy conservation, environmental protection, remarkable social and economic benefits and the like.
In summary, the following steps: according to the device for supplying heat by using the waste heat of the low-temperature flue gas of the boiler, which is provided by the embodiment of the invention, through the matching of the smoke inlet pipe 1, the filter box 2, the smoke exhaust pipe 3, the boiler flue gas waste heat heating box 4, the water storage box 5, the water outlet pipe 6, the valve 7, the water pumping pipe 8, the water pump 9, the water outlet pipe 10, the filter screen 11, the flue gas pipeline 12, the air outlet pipe connector 13, the filter chimney 14, the first filter plate 15, the smoke outlet hole 16, the second filter plate 17 and the box cover plate 18, the problem that a large amount of heat is directly brought into the ambient atmosphere by the existing flue gas is solved, a large amount of energy is wasted, the thermal efficiency of the boiler is reduced, and the flue gas cannot be filtered in the smoke exhaust process, so that the environmental pollution is caused is solved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (10)

1. The utility model provides an utilize device of boiler low temperature flue gas waste heat supply which characterized in that: comprises a smoke inlet pipe (1), a filter box (2), a boiler smoke waste heat heating box (4) and a filter chimney (14);
comprises a filter box (2) connected with the smoke outlet end of a smoke inlet pipe (1), the filter box (2) is also connected with one end of a smoke exhaust pipe (3), the smoke inlet pipe (1) and the smoke exhaust pipe (3) are oppositely arranged,
one end, far away from the filter box (2), of the smoke exhaust pipe (3) is connected to the boiler flue gas waste heat heating box (4), a flue gas pipeline (12) is arranged inside the boiler flue gas waste heat heating box (4), one end of the flue gas pipeline (12) is connected with the smoke exhaust pipe (3), and the other end of the flue gas pipeline (12) is connected with a filter chimney (14);
and a water inlet and a water outlet are also formed in the boiler flue gas waste heat heating box (4).
2. The device for supplying heat by using the waste heat of the low-temperature flue gas of the boiler as claimed in claim 1, wherein: the boiler flue gas waste heat heating device is characterized in that a water storage tank (5) is fixedly mounted at the top of the boiler flue gas waste heat heating tank (4), the water storage tank (5) is connected to a water inlet of the boiler flue gas waste heat heating tank (4) through a water outlet pipe (6), and a valve (7) is fixedly mounted on the upper side of the water outlet pipe (6).
3. The device for supplying heat by using the waste heat of the low-temperature flue gas of the boiler as claimed in claim 1, wherein: the water outlet of the boiler flue gas waste heat heating box (4) is connected with one end of a water pumping pipe (8), the other end of the water pumping pipe (8) is connected with a water pump (9), and the water pump (9) is provided with a water drainage pipe (10).
4. The device for supplying heat by using the waste heat of the low-temperature flue gas of the boiler as claimed in claim 3, wherein: one end of the water pumping pipe (8) extends into the boiler flue gas waste heat heating box (4), and a filter screen (11) is installed on the end face.
5. The device for supplying heat by using the waste heat of the low-temperature flue gas of the boiler as claimed in claim (1), wherein: flue gas pipeline (12) keep away from the one end fixed mounting who discharges fume pipe (3) has outlet duct connector (13), outlet duct connector (13) are connected with the bottom of filtering chimney (14).
6. The device for supplying heat by using the waste heat of the low-temperature flue gas of the boiler as claimed in claim 1, wherein: a plurality of smoke outlets (16) are arranged on the upper side of the first filter plate (15).
7. The device for supplying heat by using the waste heat of the low-temperature flue gas of the boiler as claimed in claim 1, wherein: and a box cover plate (18) is fixedly arranged at the top of the filtering chimney (14).
8. The device for supplying heat by using the waste heat of the low-temperature flue gas of the boiler as claimed in claim 1, wherein: a smoke filter screen is arranged in the filter box (2) and used for filtering smoke entering from the smoke inlet pipe (1).
9. The device for supplying heat by using the waste heat of the low-temperature flue gas of the boiler as claimed in claim 1, wherein: filter chimney (14) and install the top of boiler flue gas waste heat heating case (4), the internally mounted of filtering chimney (14) has first filter (15), the outside fixed mounting of first filter (15) has second filter (17).
10. The device for supplying heat by using the waste heat of the low-temperature flue gas of the boiler as claimed in claim 1, wherein: and a water inlet of the boiler flue gas waste heat heating box (4) is higher than a water outlet.
CN202111503651.9A 2021-12-09 2021-12-09 Device for supplying heat by using waste heat of low-temperature flue gas of boiler Pending CN114046524A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111503651.9A CN114046524A (en) 2021-12-09 2021-12-09 Device for supplying heat by using waste heat of low-temperature flue gas of boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111503651.9A CN114046524A (en) 2021-12-09 2021-12-09 Device for supplying heat by using waste heat of low-temperature flue gas of boiler

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Publication Number Publication Date
CN114046524A true CN114046524A (en) 2022-02-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023212979A1 (en) * 2022-05-06 2023-11-09 天津大学滨海工业研究院有限公司 Boiler having waste heat recovery function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023212979A1 (en) * 2022-05-06 2023-11-09 天津大学滨海工业研究院有限公司 Boiler having waste heat recovery function

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Effective date of registration: 20220523

Address after: 102209 building a, Huaneng talent innovation and entrepreneurship base, future science and Technology City, Beiqijia Town, Changping District, Beijing

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Applicant after: Huaneng Yingkou Thermal Power Co., Ltd

Address before: 102209 building a, Huaneng talent innovation and entrepreneurship base, Beiqijia future science and Technology City, Changping District, Beijing

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