CN103615805A - Built-in flue gas waste heat recovery device - Google Patents
Built-in flue gas waste heat recovery device Download PDFInfo
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- CN103615805A CN103615805A CN201310652704.2A CN201310652704A CN103615805A CN 103615805 A CN103615805 A CN 103615805A CN 201310652704 A CN201310652704 A CN 201310652704A CN 103615805 A CN103615805 A CN 103615805A
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- condensate film
- flue gas
- waste heat
- heat recovery
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
A built-in flue gas waste heat recovery device comprises a plurality of condensation piece groups sequentially stacked from bottom to top and a top layer disc located on the uppermost layer. The condensation piece groups and the top layer disc are provided with a water inlet and a water outlet respectively, the condensation piece groups are sequentially stacked from bottom to top, fixedly connected with each other and communicated with each other through the water inlet and the water outlet, flue gas channels are formed between the adjacent condensation piece groups, and the built-in flue gas waste heat recovery device is horizontally installed on the upper portion of a smoke exhaust device. The condensation piece groups are sequentially stacked from bottom to top, fixedly connected with each other and communicated with each other through the water inlet and the water outlet, the flue gas channels are formed between the adjacent condensation piece groups, water flow channels are arranged in the condensation piece groups, flue gas passes through the flue gas channels, waste heat and latent heat of phase change of the flue gas are transmitted to the backwater end through the flue gas waste heat recovery device, the backwater temperature is improved, device heat efficiency is greatly improved, the flue gas waste heat recovery device has the condensation effect, and harmful substances discharged into the atmosphere are also greatly reduced.
Description
Technical field
The present invention relates to a kind of built-in flue gas waste heat recovery apparatus, specifically a kind of built-in flue gas waste heat recovery apparatus with heat exchange method Mist heat recovering.
Background technology
At present, conventional fuel, comprises that the flue-gas temperature producing after coal, oil and gas burning is all higher, has very considerable a part of heat energy in flue gas, especially contains heat energy contained in the flue gas of high enthalpy water vapour higher.If high-temperature flue gas is without just processing directly by smoke stack emission in atmosphere, can cause the significant wastage of heat energy, particularly in flue gas, the latent heat of condensation of water vapour is not utilized effectively, and the entrained heat of water vapour is most of smoke exhaust heat loss.In addition, in high-temperature flue gas, containing the harmful substances such as sulfur dioxide, sulfur trioxide and nitrogen oxide can impact environment, after the water vapour containing runs into cold air and condenses, can be attached on chimney wall in high-temperature flue gas, easily causes the corrosion of chimney.So must process high-temperature flue gas.
In prior art, after fuel combustion, the heating surface such as boiler, water heater adopts wall-type heat exchange mostly, and so effectively the latent heat of condensation of recycle-water steam, has caused the waste of heat energy.Although also there is a kind of waste-heat recovery device that can directly contact hybrid flue gas now, but it is the whole boiler of stopping, structure is comparatively complicated, and the large capacity that is only only applicable to put on fuel oil, coal-fired large scale industry boiler, high voltage parameter lazy wished lower employing, and the scope of application is narrow.Therefore, be necessary further improvement.
Summary of the invention
Object of the present invention aims to provide a kind of simple and reasonable, dependable performance, and the thermal efficiency is high, easily produces, and easily realizes, and energy-conserving and environment-protective and built-in flue gas waste heat recovery apparatus applied widely, to overcome weak point of the prior art.
By a kind of built-in flue gas waste heat recovery apparatus of this object design, comprise several condensate film groups that stack successively from bottom to top and the top layer video disc that is positioned at the superiors, it is characterized in that: on condensate film group and top layer video disc, be respectively arranged with water inlet and delivery port, several condensate film groups stack successively from bottom to top and are mutually affixed and be interconnected by water inlet and delivery port, between adjacent condensate film group, form exhaust gases passes; Described built-in flue gas waste heat recovery apparatus is horizontally installed in the top of fume extractor.
Described condensate film group comprises the first condensate film and the second condensate film, and the first condensate film and the second condensate film are tightly connected by clamping, welding, stickup or securing member, and are provided with the water stream channel of one or more in inside.
In described condensate film group, be provided with a water retaining ribs and by water retaining ribs, be formed with the water stream channel of two.
Described water inlet and delivery port are arranged at the same side of condensate film group and top layer video disc, and water retaining ribs is arranged between water inlet and delivery port, and the water stream channel of two is U font and is interconnected.
Between described the first condensate film and the second condensate film, be provided with some fixing points, the second condensate film is flush-mounted on the first condensate film and is mutually affixed by fixing point.
On described the first condensate film and the second condensate film, be provided with some strong points, several condensate film groups stack successively from bottom to top and are mutually affixed by the strong point.
Described condensate film group and top layer video disc adopt aluminium alloy, brass or stainless steel to make.
Between described adjacent condensate film group, mutually affixed by clamping, welding, stickup or securing member between the condensate film group of the superiors and top layer video disc.
The described condensate film group stacking is successively interconnected by water inlet and delivery port, overlays the condensate film group of the superiors and top layer video disc mutually affixed and be interconnected by water inlet and delivery port, and the bottom surface that overlays undermost condensate film group is sealing.
The present invention is by the improvement of said structure, several condensate film groups stacked from bottom to top successively and mutually affixed and be interconnected by water inlet and delivery port, forms exhaust gases passes, and be provided with water stream channel in condensate film group between adjacent condensate film group, flue gas is discharged the heat that produces 130-150 ℃ of left and right in fume extractor, there is the flue gas of amount of heat after entering flue gas waste heat recovery apparatus, flue gas is cooling further, and flue gas waste heat recovery apparatus surface lower than flue gas under the dew-point temperature of water, water vapor condensation in flue gas is also emitted latent heat, exhanst gas outlet temperature can be down to 50 ℃ of left and right, the waste heat of flue gas is delivered to backwater end as the preheating of backwater by flue gas waste heat recovery apparatus, thereby effectively improve the thermal efficiency of equipment, reach energy-saving and cost-reducing object, and because flue gas waste heat recovery apparatus has condensation, the harmful substance that enters atmosphere also will greatly reduce, smoke evacuation more meets the requirement of environmental protection.It has simple and reasonable, dependable performance, the thermal efficiency is high, easily produce, the features such as easy realization and energy-conserving and environment-protective, can be widely used on the equipment such as Domestic electric water-heating stove, forced-ventilated gas water heater, balance type gas water heater, mix condensing heating hot-water stove, residential coal combustion heating boiler, domestic biomass heating boiler, applied widely.
Accompanying drawing explanation
Fig. 1 is one embodiment of the invention structural representation.
Fig. 2 is condensate film group structural representation.
Fig. 3 is condensate film group cross-sectional view.
Fig. 4 is another cross-sectional view of condensate film group.
The specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Referring to Fig. 1-Fig. 4, this built-in flue gas waste heat recovery apparatus, comprise several condensate film groups 1 that stack successively from bottom to top and the top layer video disc 2 that is positioned at the superiors, on condensate film group 1 and top layer video disc 2, be respectively arranged with water inlet 3 and delivery port 4, several condensate film groups 1 stack successively from bottom to top and are mutually affixed and be interconnected by water inlet 3 and delivery port 4, the condensate film group 1 that wherein overlays the superiors and top layer video disc 2 are mutually affixed and be interconnected by water inlet 3 and delivery port 4, and the bottom surface that overlays undermost condensate film group 1 is sealing.
The present embodiment adopts the condensate film group 1 of 18 groups to stack successively from bottom to top and is mutually affixed, and between adjacent condensate film group 1, forms exhaust gases passes (failing in figure to indicate); Described built-in flue gas waste heat recovery apparatus is horizontally installed in the top of fume extractor.
In said structure, between the first condensate film 1.1 and the second condensate film 1.2, be provided with that some fixing points 1.5, the second condensate films 1.2 are flush-mounted on the first condensate film 1.1 and mutually affixed by fixing point 1.5; On the first condensate film 1.1 and the second condensate film 1.2, be provided with some strong points 1.6, several condensate film groups 1 stack successively from bottom to top and are mutually affixed by the strong point 1.6.
Between the first condensate film 1.1 and the second condensate film 1.2, between adjacent condensate film group 1, and between the condensate film group 1 of the superiors and top layer video disc 2 by clamping, welding, stickup or securing member are mutually affixed, specifically, between the first condensate film 1.1 and the second condensate film 1.2, between adjacent condensate film group 1, and be all placed with welding powder between the condensate film group 1 of the superiors and top layer video disc 2, and by high-temperature process technology, each member is tightly connected, when having guaranteed sealing property, omitted the utilization of sealing ring, reduced production cost, practical.
Above-mentioned is preferred version of the present invention, and those of ordinary skills are to its simple modification or transformation, within all dropping on protection scope of the present invention.
Claims (9)
1. a built-in flue gas waste heat recovery apparatus, comprise several condensate film groups (1) that stack successively from bottom to top and the top layer video disc (2) that is positioned at the superiors, it is characterized in that: on condensate film group (1) and top layer video disc (2), be respectively arranged with water inlet (3) and delivery port (4), several condensate film groups (1) stack successively from bottom to top and are mutually affixed and be interconnected by water inlet (3) and delivery port (4), between adjacent condensate film group (1), form exhaust gases passes; Described built-in flue gas waste heat recovery apparatus is horizontally installed in the top of fume extractor.
2. built-in flue gas waste heat recovery apparatus according to claim 1, it is characterized in that described condensate film group (1) comprises the first condensate film (1.1) and the second condensate film (1.2), the first condensate film (1.1) and the second condensate film (1.2) are tightly connected by clamping, welding, stickup or securing member, and in inside, are provided with the water stream channel (1.3) of one or more.
3. built-in flue gas waste heat recovery apparatus according to claim 2, is characterized in that being provided with in described condensate film group (1) water retaining ribs (1.4) and by water retaining ribs (1.4), is formed with the water stream channel (1.3) of two.
4. built-in flue gas waste heat recovery apparatus according to claim 3, it is characterized in that described water inlet (3) and delivery port (4) are arranged at the same side of condensate film group (1) and top layer video disc (2), water retaining ribs (1.4) is arranged between water inlet (3) and delivery port (4), and the water stream channel of two (1.3) is U font and is interconnected.
5. built-in flue gas waste heat recovery apparatus according to claim 4, it is characterized in that being provided with some fixing points (1.5) between described the first condensate film (1.1) and the second condensate film (1.2), it is upper and mutually affixed by fixing point (1.5) that the second condensate film (1.2) is flush-mounted in the first condensate film (1.1).
6. built-in flue gas waste heat recovery apparatus according to claim 5, it is characterized in that being provided with some strong points (1.6) on described the first condensate film (1.1) and the second condensate film (1.2), several condensate film groups (1) stack successively from bottom to top and are mutually affixed by the strong point (1.6).
7. built-in flue gas waste heat recovery apparatus according to claim 1, is characterized in that described condensate film group (1) and top layer video disc (2) adopt aluminium alloy, brass or stainless steel to make.
8. built-in flue gas waste heat recovery apparatus according to claim 1, is characterized in that between described adjacent condensate film group (1), mutually affixed by clamping, welding, stickup or securing member between the condensate film group (1) of the superiors and top layer video disc (2).
9. according to the built-in flue gas waste heat recovery apparatus described in claim 1-8 any one, the condensate film group (1) stacking successively described in it is characterized in that is interconnected by water inlet (3) and delivery port (4), the condensate film group (1) that overlays the superiors and top layer video disc (2) are mutually affixed and be interconnected by water inlet (3) and delivery port (4), and the bottom surface that overlays undermost condensate film group (1) is to seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310652704.2A CN103615805A (en) | 2013-12-05 | 2013-12-05 | Built-in flue gas waste heat recovery device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310652704.2A CN103615805A (en) | 2013-12-05 | 2013-12-05 | Built-in flue gas waste heat recovery device |
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| CN103615805A true CN103615805A (en) | 2014-03-05 |
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| CN201310652704.2A Pending CN103615805A (en) | 2013-12-05 | 2013-12-05 | Built-in flue gas waste heat recovery device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003021486A (en) * | 2001-07-10 | 2003-01-24 | Denso Corp | Heat exchanger |
| JP2003075089A (en) * | 2001-08-30 | 2003-03-12 | Denso Corp | Heat exchanger |
| JP2004125189A (en) * | 2002-09-30 | 2004-04-22 | Denso Corp | Heat exchanger for water heater |
| CN101358771A (en) * | 2008-09-08 | 2009-02-04 | 中山华帝燃具股份有限公司 | Plate heat exchanger for condensing gas water heater |
| CN201583169U (en) * | 2010-01-15 | 2010-09-15 | 北京中科成广科贸有限公司 | Gas-water heat exchanger |
| CN203615595U (en) * | 2013-12-05 | 2014-05-28 | 梁垣生 | Built-in type flue gas waste heat recovery device |
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2013
- 2013-12-05 CN CN201310652704.2A patent/CN103615805A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003021486A (en) * | 2001-07-10 | 2003-01-24 | Denso Corp | Heat exchanger |
| JP2003075089A (en) * | 2001-08-30 | 2003-03-12 | Denso Corp | Heat exchanger |
| JP2004125189A (en) * | 2002-09-30 | 2004-04-22 | Denso Corp | Heat exchanger for water heater |
| CN101358771A (en) * | 2008-09-08 | 2009-02-04 | 中山华帝燃具股份有限公司 | Plate heat exchanger for condensing gas water heater |
| CN201583169U (en) * | 2010-01-15 | 2010-09-15 | 北京中科成广科贸有限公司 | Gas-water heat exchanger |
| CN203615595U (en) * | 2013-12-05 | 2014-05-28 | 梁垣生 | Built-in type flue gas waste heat recovery device |
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Application publication date: 20140305 |