CN112797432A - Boiler flue gas waste heat degree of depth utilizes system - Google Patents
Boiler flue gas waste heat degree of depth utilizes system Download PDFInfo
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- CN112797432A CN112797432A CN202011640686.2A CN202011640686A CN112797432A CN 112797432 A CN112797432 A CN 112797432A CN 202011640686 A CN202011640686 A CN 202011640686A CN 112797432 A CN112797432 A CN 112797432A
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- fixedly connected
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- flue gas
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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
- 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
- F23J15/006—Layout of treatment plant
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
- F23L15/04—Arrangements of recuperators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a boiler flue gas waste heat deep utilization system, which comprises: a flue, a heat absorption section, a heat preservation water tank and an automatic control device, wherein one end of the flue is fixedly connected with an air preheater through a screw, one end of the flue is positioned below the air preheater and is fixedly connected with a secondary fan through a screw, and one end of the flue is positioned below the secondary fan and is fixedly connected with a heat absorption section through a screw, the invention adjusts the flow of the high-temperature water outlet pipe and the low-temperature water outlet pipe through adjusting the automatic control three-way valve, adjusts the exchange time of cooling water and flue gas in the heat exchange pipe, is convenient for adjusting and utilizing the flue gas waste heat, the temperature of the flue gas entering the low-temperature section is monitored by a wall temperature sensor, the flow of cooling water in the low-temperature section is regulated, the temperature of the flue gas is ensured to be lower than the acid dew point, the dedusting effect is ensured, through triple heat exchange of the air preheater, the high-temperature section and the low-temperature section, the recycling efficiency of the flue gas waste heat is greatly increased, the exhaust gas temperature is convenient to adjust, and the energy waste is greatly avoided.
Description
Technical Field
The invention relates to the technical field of boilers, in particular to a boiler flue gas waste heat deep utilization system.
Background
The smoke is the main way of wasting energy of general energy consumption equipment, for example, the energy consumption of boiler smoke is about 15%, and other equipment such as setting machine, drying-machine and kiln of printing and dyeing industry all consume energy through the smoke. The flue gas waste heat recovery mainly converts the heat carried by the flue gas into the heat which can be utilized through a certain heat exchange mode.
1. In the prior art, only a high-temperature heat exchanger is arranged in front of a dust remover, the heat recovered by the rest heat exchanger is limited, and the temperature of smoke coming out of the high-temperature heat exchanger is higher than the acid dew point, so that the dust removing effect is poor, and the emission reduction effect of a system is influenced.
2. Although the boiler flue gas waste heat recovery in the prior art carries out certain recovery and utilization on the flue gas waste heat, the utilization is still insufficient, the exhaust gas temperature still has great reduction space, and the waste of energy is caused to a certain extent.
Disclosure of Invention
The invention aims to provide a boiler flue gas waste heat deep utilization system to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a boiler flue gas waste heat deep utilization system comprises: the device comprises a flue, a heat absorption section, a heat preservation water tank and an automatic control device, wherein one end of the flue is fixedly connected with an air preheater through a screw, one end of the flue is positioned below the air preheater and is fixedly connected with a secondary fan through a screw, one end of the flue is positioned below the secondary fan and is fixedly connected with the heat absorption section through a screw, one side of the lower half part of the heat absorption section is fixedly connected with a wall temperature sensor through a screw, one end of the flue, away from the heat absorption section, is fixedly connected with a dust remover through a screw, one side of the upper half part of the heat absorption section is fixedly connected with a circulating pump through a pipeline, one side of the circulating pump, away from the heat absorption section, is fixedly connected with a water treatment device through a pipeline, one side of the top of the water treatment device, one end, far away from the heat absorption section, of the automatic control three-way valve is fixedly connected with a heat preservation water tank through a pipeline, one side of the bottom of the heat preservation water tank is fixedly connected with a useful heat tail end through a pipeline, and the automatic control valve and the automatic control three-way valve are electrically coupled with an automatic control device.
Preferably, the flue further comprises: the air preheater comprises a smoke outlet and a smoke inlet, wherein the smoke inlet is formed at one end of the smoke channel close to the air preheater, and the smoke outlet is formed at one end of the smoke channel close to the dust remover.
Preferably, the heat sink section further comprises: the heat absorption device comprises a low-temperature section, a high-temperature section and a heat exchange tube, wherein the upper half part inside the heat absorption section is located above a wall temperature sensor and fixedly connected with the high-temperature section through a clamping joint, the lower half part inside the heat absorption section is located below the wall temperature sensor and fixedly connected with the low-temperature section through a clamping joint, and the low-temperature section and the high-temperature section are fixedly connected with the heat exchange tube through a clamping joint array in the central area.
Preferably, the low temperature section further comprises: connecting pipe, low temperature inlet tube, low temperature outlet pipe and low temperature circulating pipe, joint fixedly connected with low temperature circulating pipe is passed through to low temperature section one side, the low temperature section is kept away from low temperature circulating pipe one side and is passed through joint fixedly connected with low temperature inlet tube, coupling fixedly connected with connecting pipe is passed through to low temperature inlet tube top one end, low temperature circulating pipe bottom one side is through coupling fixedly connected with low temperature outlet pipe, lie in low temperature outlet pipe top between low temperature circulating pipe and the low temperature inlet tube and pass through coupling array fixedly connected with heat exchange tube.
Preferably, the high temperature section further comprises: high temperature circulating pipe, high temperature inlet tube and high temperature outlet pipe, joint fixedly connected with high temperature circulating pipe is passed through to high temperature section one side, the high temperature section is kept away from high temperature circulating pipe one side and is passed through joint fixedly connected with high temperature inlet tube, high temperature circulating pipe bottom one side is through coupling fixedly connected with high temperature outlet pipe, lie in high temperature outlet pipe top between high temperature circulating pipe and the high temperature inlet tube through coupling array fixedly connected with heat exchange tube.
Preferably, the water treatment device comprises a deaerator and a desalination water treatment device.
Preferably, one side of the bottom of the water treatment device is connected with the inside of the heat preservation water tank through a water pumping pipe.
Preferably, one end of the high-temperature water outlet pipe, which is far away from the high-temperature circulating pipe, is fixedly connected with one end of the automatic control three-way valve.
Preferably, one end of the low-temperature water outlet pipe, which is far away from the low-temperature circulating pipe, is fixedly connected with one end of the automatic control three-way valve.
Preferably, one side of the top of the high-temperature water inlet pipe is fixedly connected with one end of a water outlet of the circulating pump through a pipeline.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention realizes that when the boiler flue gas waste heat deep utilization system is used, flue gas enters the air preheater through the smoke inlet, heat in the flue gas is transferred to air before entering a boiler through the radiating fins of the air preheater, the air is preheated to a certain temperature for primary recovery of flue gas waste heat, then the pressure of the flue gas is increased through the secondary fan, so that the flue gas enters the heat absorption section, cooling water is introduced into the heat absorption section through the main water pipe, the cooling water enters the high-temperature water inlet pipe through the circulating pump after being subjected to desalination and oxygen removal treatment by the water treatment device, the cooling water entering the high-temperature water inlet pipe enters the heat exchange pipe to fully perform heat exchange with the flue gas waste heat and then enters the high-temperature circulating pipe and the high-temperature water outlet pipe, meanwhile, a part of the cooling water enters the low-temperature water inlet pipe through the connecting pipe, performs heat exchange through the heat exchange pipe and then passes through the low-temperature circulating pipe and, the low-temperature water outlet pipe and the high-temperature water outlet pipe are connected with the automatic control three-way valve and enter the heat preservation water tank, finally hot water in the heat preservation water tank is sent into a heat consumption end through a pipeline, the flow of the high-temperature water outlet pipe and the low-temperature water outlet pipe is adjusted through adjusting the automatic control three-way valve, the exchange time of cooling water and flue gas in the heat exchange pipe is adjusted, the adjustment and utilization of flue gas waste heat are facilitated, the flue gas temperature entering a low-temperature section is monitored through a wall temperature sensor, the flow of the cooling water in the low-temperature section is adjusted.
2. According to the invention, through the arrangement of the high-temperature section, the low-temperature section and the heat absorption section, triple heat exchange of the air preheater, the high-temperature section and the low-temperature section is realized when the boiler flue gas waste heat deep utilization system is used, the recycling efficiency of flue gas waste heat is greatly increased, the exhaust gas temperature is conveniently adjusted, and the waste of energy is greatly avoided.
Drawings
FIG. 1 is a schematic structural view of a boiler flue gas waste heat deep utilization system of the present invention;
FIG. 2 is a schematic sectional view of the heat absorbing section of the present invention; .
In the figure: 1-flue; 101-a smoke outlet; 102-a smoke inlet; 2-a dust remover; 3-a wall temperature sensor; 4-a heat absorption section; 410-low temperature section; 411-connecting pipe; 412-a low temperature water inlet pipe; 413-low temperature water outlet pipe; 414-low temperature circulation pipe; 420-high temperature section; 421-high temperature circulating pipe; 422-high temperature water inlet pipe; 423-high temperature water outlet pipe; 430-heat exchange tube; 5-a secondary fan; 6-an air preheater; 7-a circulating pump; 8-a water treatment device; 9-a heat preservation water tank; 10-a main water pipe; 11-a self-control valve; 12-an automatic control device; 13-use the hot end; 14-automatic control three-way valve.
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.
Referring to fig. 1-2, the present invention provides a technical solution: a boiler flue gas waste heat deep utilization system comprises: the device comprises a flue 1, a heat absorption section 4, a heat preservation water tank 9 and an automatic control device 12, wherein one end of the flue 1 is fixedly connected with an air preheater 6 through a screw, one end of the flue 1 is positioned below the air preheater 6 and is fixedly connected with a secondary fan 5 through a screw, one end of the flue 1 is positioned below the secondary fan 5 and is fixedly connected with the heat absorption section 4 through a screw, one side of the lower half part of the heat absorption section 4 is fixedly connected with a wall temperature sensor 3 through a screw, one end of the flue 1, far away from the heat absorption section 4, is fixedly connected with a dust remover 2 through a screw, one side of the upper half part of the heat absorption section 4 is fixedly connected with a circulating pump 7 through a pipeline, one side of the circulating pump 7, far away from the heat absorption section 4, is fixedly connected with a water treatment device 8 through a pipeline, one side of the top of, one end of the self-control three-way valve 14, which is far away from the heat absorption section 4, is fixedly connected with a heat preservation water tank 9 through a pipeline, one side of the bottom of the heat preservation water tank 9 is fixedly connected with a useful heat tail end 13 through a pipeline, and the self-control valve 11, the self-control three-way valve 14 and the self-control device 12 are electrically coupled.
The flue 1 further comprises: outlet 101 and inlet 102, flue 1 is close to 6 one end of air preheater for inlet 102, and flue 1 is close to dust remover 2 one end and is outlet 101, and heat absorption section 4 still includes: low temperature section 410, high temperature section 420 and heat exchange tube 430, the inside first position in wall temperature sensor 3 top of heat absorption section 4 is through joint fixedly connected with high temperature section 420, and the inside lower half position in wall temperature sensor 3 below of heat absorption section 4 is through joint fixedly connected with low temperature section 410, and low temperature section 410 is regional through joint array fixedly connected with heat exchange tube 430 with high temperature section 420 central authorities, and low temperature section 410 still includes: connecting pipe 411, low temperature inlet tube 412, low temperature outlet pipe 413 and low temperature circulating pipe 414, low temperature section 410 passes through joint fixedly connected with low temperature circulating pipe 414 in one side, low temperature section 410 is kept away from low temperature circulating pipe 414 one side and is passed through joint fixedly connected with low temperature inlet tube 412, coupling fixedly connected with connecting pipe 411 is passed through to low temperature inlet tube 412 top one end, low temperature circulating pipe 414 bottom one side is passed through coupling fixedly connected with low temperature outlet pipe 413, lie in low temperature outlet pipe 413 top between low temperature circulating pipe 414 and the low temperature inlet tube 412 and pass through coupling array fixedly connected with heat exchange tube 430, high temperature: the high-temperature circulation pipe 421 is provided, high temperature inlet tube 422 and high temperature outlet pipe 423, high temperature section 420 one side is through joint fixedly connected with high temperature circulating pipe 421, high temperature section 420 keeps away from high temperature circulating pipe 421 one side and passes through joint fixedly connected with high temperature inlet tube 422, high temperature circulating pipe 421 bottom one side is through coupling fixedly connected with high temperature outlet pipe 423, lie in high temperature outlet pipe 423 top between high temperature circulating pipe 421 and the high temperature inlet tube 422 and pass through coupling array fixedly connected with heat exchange tube 430, water treatment ware 8 includes oxygen-eliminating device and desalination water treatment ware, 8 bottom one side of water treatment ware is through drinking-water pipe and 9 internal connections of holding water box, high temperature outlet pipe 423 keeps away from high temperature circulating pipe 421 one end and 14 one end fixed connection of automatic control three-way valve, low temperature outlet pipe 413 keeps away from low temperature circulating pipe 414 one.
The working principle is as follows: when the boiler flue gas waste heat deep utilization system is used, flue gas enters the air preheater 6 through the flue gas inlet 102, heat in the flue gas is conducted to air before entering a boiler through radiating fins of the air preheater, the air is preheated to a certain temperature for first recovery of flue gas waste heat, then the pressure of the flue gas is increased through the secondary fan 5, so that the flue gas enters the heat absorption section 4, cooling water is introduced into the heat absorption section 4 through the main water pipe 10, the flue gas enters the high-temperature water inlet pipe 422 through the circulating pump 7 after being subjected to desalination and deoxidization treatment by the water treatment device 8, the cooling water entering the high-temperature water inlet pipe 422 enters the heat exchange pipe 430 to be subjected to heat exchange with the flue gas waste heat fully, and then enters the high-temperature circulating pipe 421 and the high-temperature water outlet pipe 423, meanwhile, a part of the cooling water enters the low-temperature water inlet pipe 412 through the connecting pipe 411, is subjected to heat exchange, the low temperature outlet pipe 413 and the high temperature outlet pipe 423 are connected with the automatic control three-way valve 14, the hot water in the heat preservation water tank 9 is finally sent into the heat using end 13 through a pipeline, the flow of the high temperature outlet pipe 423 and the low temperature outlet pipe 413 is adjusted through adjusting the automatic control three-way valve 14, the exchange time of cooling water and flue gas in the heat exchange pipe 430 is adjusted, the adjustment and utilization of flue gas waste heat are convenient, the flue gas temperature entering the low temperature section 410 is monitored through the wall temperature sensor 3, the flow of the cooling water in the low temperature section 410 is adjusted, the flue gas temperature is lower than an acid dew point, the dust removal effect is ensured, the triple heat exchange of the high temperature section 420 and the low temperature section 410 is realized through the air preheater 6, the recycling efficiency of the flue gas waste heat is greatly increased, the.
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 a boiler flue gas waste heat degree of depth utilizes system which characterized in that includes:
a flue (1);
a heat absorption section (4);
a heat preservation water tank (9);
an automatic control device (12),
wherein one end of the flue (1) is fixedly connected with an air preheater (6) through a screw, one end of the flue (1) is positioned below the air preheater (6) and is fixedly connected with a secondary fan (5) through a screw, one end of the flue (1) is positioned below the secondary fan (5) and is fixedly connected with a heat absorption section (4) through a screw, one side of the lower half part of the heat absorption section (4) is fixedly connected with a wall temperature sensor (3) through a screw, one end of the flue (1) far away from the heat absorption section (4) is fixedly connected with a dust remover (2) through a screw, one side of the upper half part of the heat absorption section (4) is fixedly connected with a circulating pump (7) through a pipeline, one side of the circulating pump (7) far away from the heat absorption section (4) is fixedly connected with a water treater (8) through a pipeline, and one, the solar heat collector is characterized in that an automatic control valve (11) is fixedly connected to one side of the main water pipe (10) through a pipe joint, an automatic control three-way valve (14) is fixedly connected to one side of the lower half portion of the heat absorption section (4) through a pipeline, one end, far away from the heat absorption section (4), of the automatic control three-way valve (14) is fixedly connected with a heat preservation water tank (9) through a pipeline, one side of the bottom of the heat preservation water tank (9) is fixedly connected with a useful heat terminal (13) through a pipeline, and the automatic control valve (11) and the automatic control.
2. The boiler flue gas waste heat deep utilization system of claim 1, characterized in that: the flue (1) further comprises:
a smoke outlet (101);
a smoke inlet (102) is arranged on the smoke inlet,
wherein, the end of the flue (1) close to the air preheater (6) is a flue inlet (102), and the end of the flue (1) close to the dust remover (2) is a flue outlet (101).
3. The boiler flue gas waste heat deep utilization system of claim 1, characterized in that: the heat absorption section (4) further comprises:
a low temperature section (410);
a high temperature section (420);
a heat exchange pipe (430),
the heat absorption device is characterized in that the upper half part inside the heat absorption section (4) is located above the wall temperature sensor (3) and is fixedly connected with a high temperature section (420) through a clamping joint, the lower half part inside the heat absorption section (4) is located below the wall temperature sensor (3) and is fixedly connected with a low temperature section (410) through a clamping joint, and the low temperature section (410) and the high temperature section (420) are fixedly connected with a heat exchange tube (430) through a clamping joint array in the central region.
4. The boiler flue gas waste heat deep utilization system of claim 3, characterized in that: the low temperature section (410) further comprises:
a connecting pipe (411);
a low temperature water inlet pipe (412);
a low-temperature water outlet pipe (413);
a low-temperature circulating pipe (414),
wherein, low temperature section (410) one side is through joint fixedly connected with low temperature circulating pipe (414), low temperature section (410) are kept away from low temperature circulating pipe (414) one side and are passed through joint fixedly connected with low temperature inlet tube (412), coupling fixedly connected with connecting pipe (411) is passed through to low temperature inlet tube (412) top one end, low temperature circulating pipe (414) bottom one side is through coupling fixedly connected with low temperature outlet pipe (413), lie in low temperature outlet pipe (413) top between low temperature circulating pipe (414) and low temperature inlet tube (412) and pass through coupling array fixedly connected with heat exchange tube (430).
5. The boiler flue gas waste heat deep utilization system of claim 3, characterized in that: the high temperature section (420) further comprises:
a high temperature circulation pipe (421);
a high temperature water inlet pipe (422);
a high-temperature water outlet pipe (423),
wherein, high temperature section (420) one side is through joint fixedly connected with high temperature circulating pipe (421), high temperature section (420) are kept away from high temperature circulating pipe (421) one side and are passed through joint fixedly connected with high temperature inlet tube (422), high temperature circulating pipe (421) bottom one side is through coupling fixedly connected with high temperature outlet pipe (423), lie in high temperature outlet pipe (423) top between high temperature circulating pipe (421) and high temperature inlet tube (422) and pass through coupling array fixedly connected with heat exchange tube (430).
6. The boiler flue gas waste heat deep utilization system of claim 1, characterized in that: the water treatment device (8) comprises a deaerator and a desalination water treatment device.
7. The boiler flue gas waste heat deep utilization system of claim 1, characterized in that: one side of the bottom of the water processor (8) is connected with the inside of the heat preservation water tank (9) through a water pumping pipe.
8. The boiler flue gas waste heat deep utilization system of claim 5, characterized in that: and one end of the high-temperature water outlet pipe (423) far away from the high-temperature circulating pipe (421) is fixedly connected with one end of the automatic control three-way valve (14).
9. The boiler flue gas waste heat deep utilization system of claim 4, characterized in that: one end of the low-temperature water outlet pipe (413) far away from the low-temperature circulating pipe (414) is fixedly connected with one end of the automatic control three-way valve (14).
10. The boiler flue gas waste heat deep utilization system of claim 5, characterized in that: one side of the top of the high-temperature water inlet pipe (422) is fixedly connected with one end of a water outlet of the circulating pump (7) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011640686.2A CN112797432A (en) | 2020-12-31 | 2020-12-31 | Boiler flue gas waste heat degree of depth utilizes system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011640686.2A CN112797432A (en) | 2020-12-31 | 2020-12-31 | Boiler flue gas waste heat degree of depth utilizes system |
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| CN112797432A true CN112797432A (en) | 2021-05-14 |
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| CN202011640686.2A Pending CN112797432A (en) | 2020-12-31 | 2020-12-31 | Boiler flue gas waste heat degree of depth utilizes system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202599171U (en) * | 2012-05-06 | 2012-12-12 | 中节能(宿迁)生物质能发电有限公司 | Flue gas waste heat recovery device |
| US20150107537A1 (en) * | 2012-07-06 | 2015-04-23 | Shanghai Fubo Ep Equipment Co., Ltd. | Recovery system of waste heat from flue gas |
| CN104655549A (en) * | 2015-02-03 | 2015-05-27 | 广东电网有限责任公司电力科学研究院 | Low-temperature acid dew point corrosion experimental device for power station boiler flue gas |
| CN105588095A (en) * | 2016-02-29 | 2016-05-18 | 中国科学院广州能源研究所 | Flue gas waste heat recycling boiler with variable space and variable flow fields |
| CN206094140U (en) * | 2016-10-21 | 2017-04-12 | 孙立宇 | Smoke heat exchanging system |
| CN209295168U (en) * | 2018-10-12 | 2019-08-23 | 山东恒涛节能环保有限公司 | A kind of low temperature exhaust heat recyclable device with water temperature regulation device |
-
2020
- 2020-12-31 CN CN202011640686.2A patent/CN112797432A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202599171U (en) * | 2012-05-06 | 2012-12-12 | 中节能(宿迁)生物质能发电有限公司 | Flue gas waste heat recovery device |
| US20150107537A1 (en) * | 2012-07-06 | 2015-04-23 | Shanghai Fubo Ep Equipment Co., Ltd. | Recovery system of waste heat from flue gas |
| CN104655549A (en) * | 2015-02-03 | 2015-05-27 | 广东电网有限责任公司电力科学研究院 | Low-temperature acid dew point corrosion experimental device for power station boiler flue gas |
| CN105588095A (en) * | 2016-02-29 | 2016-05-18 | 中国科学院广州能源研究所 | Flue gas waste heat recycling boiler with variable space and variable flow fields |
| CN206094140U (en) * | 2016-10-21 | 2017-04-12 | 孙立宇 | Smoke heat exchanging system |
| CN209295168U (en) * | 2018-10-12 | 2019-08-23 | 山东恒涛节能环保有限公司 | A kind of low temperature exhaust heat recyclable device with water temperature regulation device |
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Application publication date: 20210514 |