CN108592072A - A kind of gas fired-boiler flue gas waste heat recovery apparatus - Google Patents
A kind of gas fired-boiler flue gas waste heat recovery apparatus Download PDFInfo
- Publication number
- CN108592072A CN108592072A CN201810434966.4A CN201810434966A CN108592072A CN 108592072 A CN108592072 A CN 108592072A CN 201810434966 A CN201810434966 A CN 201810434966A CN 108592072 A CN108592072 A CN 108592072A
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- China
- Prior art keywords
- water
- pipe
- drainpipe
- waste heat
- flue gas
- 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.)
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Classifications
-
- 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
- F28D7/0008—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 for one medium being in heat conductive contact with the conduits for the other medium
-
- 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
-
- 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)
- Air Supply (AREA)
Abstract
The invention discloses a kind of gas fired-boiler flue gas waste heat recovery apparatus, including combustion chamber, it is fixedly connected with boiler body at the top of the combustion chamber, and a upper lateral part of boiler body is communicated in the other side of air preheater by the 4th pipeline, the water inlet of the heating tube is connected by water inlet pipe with water pipe, one end of the water pipe is communicated in the top of water tank, the bottom of the water tank is equipped with the second drainpipe, second drainpipe is connected with the first drainpipe, and one end of the first drainpipe is communicated in the water outlet of heating tube.Heating tube of the present invention is coiled in the outside of boiler body, the heat that boiler body gives out can heat the water of heating tube, flue gas is passed into the inside of rotation screwed pipe, the waste heat of flue gas heats rotation screwed pipe, rotation screwed pipe heats the water in water tank, improves recycling and the utilization rate of waste heat.
Description
Technical field
The present invention relates to waste-heat recovery device technical field, specially a kind of gas fired-boiler flue gas waste heat recovery apparatus.
Background technology
Boiler is function device indispensable in central heating industry, is one of most important power resources such as industrial, civilian.
In recent years, with environmental issue getting worse, coal-burning boiler has been gradually replaced by the gas fired-boiler of the energy of natural gas, has been obtained
It is widely applied.
The thermal efficiency of pipeline for gas how is improved, gas consumption is reduced, has become focus of attention in the industry.Especially
Flue gas waste heat recovery apparatus application can more directly improve heat energy efficiency, but many flue gas waste heat recovery apparatus do not collect at present
At effectively waste heat cannot be recycled, cause the waste of waste heat.For this purpose, it is proposed that a kind of gas fired-boiler fume afterheat returns
Receiving apparatus.
Invention content
The purpose of the present invention is to provide a kind of gas fired-boiler flue gas waste heat recovery apparatus, heating tube is coiled in boiler body
Outside, the heat that boiler body gives out can heat the water of heating tube, and flue gas is passed into the inside of rotation screwed pipe, cigarette
The waste heat of gas heats rotation screwed pipe so that rotation screwed pipe can heat the water in water tank, improve the recycling of waste heat
And utilization rate, to solve the problems, such as to propose effectively to recycle waste heat in above-mentioned background technology.
To achieve the above object, the present invention provides the following technical solutions:A kind of gas fired-boiler flue gas waste heat recovery apparatus, packet
Combustion chamber is included, boiler body is fixedly connected at the top of the combustion chamber, heating tube has been fitted and connected on the outside of the boiler body,
Smoke exhaust pipe is communicated at the top of the boiler body, the other end of the smoke exhaust pipe is communicated in the upper end of air preheater, described
The side of air preheater is connected by pipeline with the side of deduster, and the top of the deduster is connected to by second pipe
It with the air inlet of rotation screwed pipe, and revolves screwed pipe and is located at the inside of water tank, the gas outlet for revolving screwed pipe is communicated in by third pipeline
One side bottom of boiler body, and a upper lateral part of boiler body is communicated in the other side of air preheater by the 4th pipeline,
The water inlet of the heating tube is connected by water inlet pipe with water pipe, and one end of the water pipe is communicated in the top of water tank, described
The bottom of water tank is equipped with the second drainpipe, and second drainpipe is connected with the first drainpipe, and one end of the first drainpipe
It is communicated in the water outlet of heating tube.
Preferably, it is equipped with valve on the water inlet pipe, the first drainpipe, one end of water pipe and drainpipe.
Preferably, the both sides and middle part of the rotation screwed pipe are through with communicating pipe.
Preferably, it is equipped with water-thermometer on the upside of the top of the water tank and the first drainpipe, and on the first drainpipe
Water-thermometer is located at the inside of valve.
Preferably, the heating tube is rotation spiral shell setting, and the inner wall of heating tube is equipped with ripple glaze.
Preferably, the other end of first drainpipe is communicated in the side of heat preservation storage water tank.
Compared with prior art, the beneficial effects of the invention are as follows:
1, heating tube of the present invention is coiled in the outside of boiler body, and the heat that boiler body gives out can be to heating tube
Water is heated, and flue gas is passed into the inside of rotation screwed pipe, and the waste heat of flue gas heats rotation screwed pipe so that rotation screwed pipe can be right
Water in water tank is heated, and recycling and the utilization rate of waste heat are improved;
2, air preheater and deduster of the invention handle flue gas, can be to the toxic gas and ash in flue gas
Dirt is filtered, and filtered hot gas is transported to the inside of boiler body again, adequately recycles and utilize the waste heat in flue gas,
Reduce the energy expenditure of combustion chamber.
Description of the drawings
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the diagrammatic cross-section of heating tube of the present invention;
Fig. 3 is the rotation solenoid structure schematic diagram of the present invention.
In figure:1 combustion chamber, 2 boiler bodies, 3 heating tubes, 4 water inlet pipes, 5 water pipes, 6 water tanks, 7 rotation screwed pipes, 8 second pipes,
9 third pipelines, 10 valves, 11 first drainpipes, 12 second drainpipes, 13 air preheaters, 14 dedusters, 15 pipelines, 16
Four pipelines, 17 smoke exhaust pipes, 18 communicating pipes, 20 water-thermometers, 21 heat preservation storage water tanks, 22 ripple glazes.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
~3 are please referred to Fig.1, the present invention provides a kind of technical solution:A kind of gas fired-boiler flue gas waste heat recovery apparatus, including
The top of combustion chamber 1, the combustion chamber 1 is fixedly connected with boiler body 2, and 2 outside of the boiler body has been fitted and connected heating
The top of pipe 3, the boiler body 2 is communicated with smoke exhaust pipe 17, and the other end of the smoke exhaust pipe 17 is communicated in air preheater 13
Upper end, the side of the air preheater 13 is connected by pipeline 15 with the side of deduster 14, which can be with
Dust in flue gas is filtered, the degree of purity of flue gas is effectively improved, the top of the deduster 14 passes through the second pipe
Road 8 is connected to the air inlet with rotation screwed pipe 7, and revolves the inside that screwed pipe 7 is located at water tank 6, and the gas outlet of the rotation screwed pipe 7 passes through third
Pipeline 9 is communicated in a side bottom of boiler body 2, and a upper lateral part of boiler body 2 is communicated in air by the 4th pipeline 16
The water inlet of the other side of preheater 13, the heating tube 3 is connected by water inlet pipe 4 with water pipe 5, one end of the water pipe 5
It is communicated in the top of water tank 6, the bottom of the water tank 6 is equipped with the second drainpipe 12, and second drainpipe 12 and first drains
Pipe 11 is connected, and one end of the first drainpipe 11 is communicated in the water outlet of heating tube 3.
Specifically, it is equipped with valve 10 on the water inlet pipe 4, the first drainpipe 11, one end of water pipe 5 and drainpipe 12,
The valve 10 helps to control the disengaging water of heating tube 3 and water tank 6.
Specifically, the both sides and middle part of the rotation screwed pipe 7 are through with communicating pipe 18, when certain of rotation screwed pipe 7 occurs
When blocking, help to ensure that rotation screwed pipe 7 can be continuing with the communicating pipe 18.
Specifically, the top of the water tank 6 and the upside of the first drainpipe 11 are equipped with water-thermometer 20, and the first drainpipe
Water-thermometer 20 on 11 is located at the inside of valve 10, which can be used for monitoring the water inside water tank 6 and heating tube 3
Temperature.
Specifically, the heating tube 3 is rotation spiral shell setting, and the inner wall of heating tube 3 is equipped with ripple glaze 22, which can
To increase water in the mobility of heating tube 3, be conducive to the heating speed for improving water.
Specifically, the other end of first drainpipe 11 is communicated in the side of heat preservation storage water tank 21, the heat preservation storage water tank
21 can effectively keep water temperature, be conducive to people's use.
Operation principle:In use, heating tube 3 to be coiled in the outside of boiler body 2, effectively released using boiler body 2
The heat of releasing heats water, improves waste heat utilization rate, and air preheater 13 is passed through smoke exhaust pipe 17 and boiler body 2
Top is connected to, and for absorbing the waste heat in flue gas, then processed waste heat gas is transferred to boiler by the 4th pipeline 16 again
The inside of main body 2, the part of smoke waste heat in air preheater 13 is entered by pipeline 15 in deduster 14, by dedusting
Flue gas afterwards is entered by second pipe 8 in rotation screwed pipe 7, then is heated to the water in water tank 6, and then flue gas is with waste heat
It is transported in boiler body 2 by third pipeline 9 again, effectively reduces the energy expenditure of combustion chamber 1, when heating tube 3 and water
After water in case 6 reaches boiling point, valve 10 is opened, hot water is discharged into heat preservation storage water tank 21 by the first drainpipe 11.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of gas fired-boiler flue gas waste heat recovery apparatus, including combustion chamber (1), it is characterised in that:The top of the combustion chamber (1)
Portion is fixedly connected with boiler body (2), and heating tube (3), the boiler body have been fitted and connected on the outside of the boiler body (2)
(2) smoke exhaust pipe (17) is communicated at the top of, the other end of the smoke exhaust pipe (17) is communicated in the upper end of air preheater (13), institute
The side for stating air preheater (13) is connected by pipeline (15) with the side of deduster (14), the top of the deduster (14)
Portion is connected to the air inlet with rotation screwed pipe (7) by second pipe (8), and revolves the inside that screwed pipe (7) is located at water tank (6), the rotation
The gas outlet of screwed pipe (7) is communicated in a side bottom of boiler body (2), and the side of boiler body (2) by third pipeline (9)
Top is communicated in the other side of air preheater (13) by the 4th pipeline (16), the water inlet of the heating tube (3) by into
Water pipe (4) is connected with water pipe (5), and one end of the water pipe (5) is communicated in the top of water tank (6), the bottom of the water tank (6)
If second has drainpipe (12), second drainpipe (12) is connected with the first drainpipe (11), and the first drainpipe (11)
One end be communicated in the water outlets of heating tube (3).
2. a kind of gas fired-boiler flue gas waste heat recovery apparatus according to claim 1, it is characterised in that:The water inlet pipe
(4), it is equipped with valve (10) on the first drainpipe (11), one end of water pipe (5) and drainpipe (12).
3. a kind of gas fired-boiler flue gas waste heat recovery apparatus according to claim 1, it is characterised in that:The rotation screwed pipe
(7) both sides and middle part are through with communicating pipe (18).
4. a kind of gas fired-boiler flue gas waste heat recovery apparatus according to claim 1, it is characterised in that:The water tank (6)
Top and the first drainpipe (11) on the upside of be equipped with water-thermometer (20), and water-thermometer (20) position on the first drainpipe (11)
Inside in valve (10).
5. a kind of gas fired-boiler flue gas waste heat recovery apparatus according to claim 1, it is characterised in that:The heating tube
(3) it is rotation spiral shell setting, and the inner wall of heating tube (3) is equipped with ripple glaze (22).
6. a kind of gas fired-boiler flue gas waste heat recovery apparatus according to claim 1, it is characterised in that:First draining
The other end of pipe (11) is communicated in the side of heat preservation storage water tank (21).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810434966.4A CN108592072A (en) | 2018-05-09 | 2018-05-09 | A kind of gas fired-boiler flue gas waste heat recovery apparatus |
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CN201810434966.4A CN108592072A (en) | 2018-05-09 | 2018-05-09 | A kind of gas fired-boiler flue gas waste heat recovery apparatus |
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Publication Number | Publication Date |
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ID=63635899
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CN201810434966.4A Pending CN108592072A (en) | 2018-05-09 | 2018-05-09 | A kind of gas fired-boiler flue gas waste heat recovery apparatus |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109631624A (en) * | 2018-10-17 | 2019-04-16 | 中山市思源电器有限公司 | A kind of heat-recovery water heater for boiler |
CN109959161A (en) * | 2019-03-06 | 2019-07-02 | 上海正宏厨房设备有限公司 | A kind of heat energy recycling device of gas fired-boiler |
CN111023132A (en) * | 2019-12-12 | 2020-04-17 | 新昌县三维精工机械有限公司 | Boiler waste heat recovery method and device convenient for connecting multiple devices |
CN114151818A (en) * | 2021-10-29 | 2022-03-08 | 庄典平 | Energy-saving waste heat recovery equipment for boiler |
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CN104132329A (en) * | 2013-05-04 | 2014-11-05 | 鹤岗市金盛粮油有限公司 | Novel boiler smoke afterheat energy saver |
CN105115152A (en) * | 2015-09-17 | 2015-12-02 | 哈尔滨市金京锅炉有限公司 | Hot water boiler with preheating water tank |
CN206145659U (en) * | 2016-10-01 | 2017-05-03 | 柳东洲 | High -efficient gas boiler afterheat recycling device |
CN107062286A (en) * | 2016-12-29 | 2017-08-18 | 中国石油天然气股份有限公司 | Gas boiler oxygen boosting burning flue gas waste heat step recovery and circulating device |
CN206582882U (en) * | 2017-03-07 | 2017-10-24 | 烟台恒邦信息科技有限公司 | A kind of boiler afterheat recovering device |
JP2017194225A (en) * | 2016-04-21 | 2017-10-26 | 株式会社神鋼環境ソリューション | Waste treatment facility and waste treatment method using the same |
CN107975815A (en) * | 2017-12-08 | 2018-05-01 | 亿利洁能科技(颍上)有限公司 | A kind of coal-burning boiler device for utilizing residual heat of waste gas |
CN107990310A (en) * | 2017-12-29 | 2018-05-04 | 烟台龙源电力技术股份有限公司 | A kind of low temperature revert system of fluidized-bed combustion boiler |
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2018
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Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104132329A (en) * | 2013-05-04 | 2014-11-05 | 鹤岗市金盛粮油有限公司 | Novel boiler smoke afterheat energy saver |
CN105115152A (en) * | 2015-09-17 | 2015-12-02 | 哈尔滨市金京锅炉有限公司 | Hot water boiler with preheating water tank |
JP2017194225A (en) * | 2016-04-21 | 2017-10-26 | 株式会社神鋼環境ソリューション | Waste treatment facility and waste treatment method using the same |
CN206145659U (en) * | 2016-10-01 | 2017-05-03 | 柳东洲 | High -efficient gas boiler afterheat recycling device |
CN107062286A (en) * | 2016-12-29 | 2017-08-18 | 中国石油天然气股份有限公司 | Gas boiler oxygen boosting burning flue gas waste heat step recovery and circulating device |
CN206582882U (en) * | 2017-03-07 | 2017-10-24 | 烟台恒邦信息科技有限公司 | A kind of boiler afterheat recovering device |
CN107975815A (en) * | 2017-12-08 | 2018-05-01 | 亿利洁能科技(颍上)有限公司 | A kind of coal-burning boiler device for utilizing residual heat of waste gas |
CN107990310A (en) * | 2017-12-29 | 2018-05-04 | 烟台龙源电力技术股份有限公司 | A kind of low temperature revert system of fluidized-bed combustion boiler |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109631624A (en) * | 2018-10-17 | 2019-04-16 | 中山市思源电器有限公司 | A kind of heat-recovery water heater for boiler |
CN109959161A (en) * | 2019-03-06 | 2019-07-02 | 上海正宏厨房设备有限公司 | A kind of heat energy recycling device of gas fired-boiler |
CN111023132A (en) * | 2019-12-12 | 2020-04-17 | 新昌县三维精工机械有限公司 | Boiler waste heat recovery method and device convenient for connecting multiple devices |
CN114151818A (en) * | 2021-10-29 | 2022-03-08 | 庄典平 | Energy-saving waste heat recovery equipment for boiler |
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Application publication date: 20180928 |