CN110296536A - A kind of combustion heat-exchange device with Multi-stage cooling structure - Google Patents
A kind of combustion heat-exchange device with Multi-stage cooling structure Download PDFInfo
- Publication number
- CN110296536A CN110296536A CN201910598585.4A CN201910598585A CN110296536A CN 110296536 A CN110296536 A CN 110296536A CN 201910598585 A CN201910598585 A CN 201910598585A CN 110296536 A CN110296536 A CN 110296536A
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- China
- Prior art keywords
- wall
- combustion chamber
- guiding
- venthole
- burner
- 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
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 104
- 238000001816 cooling Methods 0.000 title claims abstract description 19
- 238000010276 construction Methods 0.000 claims abstract description 4
- 238000005452 bending Methods 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 3
- 230000003685 thermal hair damage Effects 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M5/00—Casings; Linings; Walls
- F23M5/08—Cooling thereof; Tube walls
- F23M5/085—Cooling thereof; Tube walls using air or other gas as the cooling medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Combustion Of Fluid Fuel (AREA)
Abstract
The invention discloses a kind of combustion heat-exchange devices with Multi-stage cooling structure, including burner, heat exchanger and combustion chamber;The combustion heat-exchange device also has Inner Wall of Combustion Chamber and outer wall of combustion chamber, and construction is formed with air flow passage between the Inner Wall of Combustion Chamber and outer wall of combustion chamber;At least one set of guiding wall for being located at venthole and being connected to below each group of venthole is provided on the Inner Wall of Combustion Chamber, the lower end ring week of the guiding wall is connected with the burner inner wall below venthole, the upper end of the guiding wall extends upwardly to the top of venthole, and guiding channel has been cooperatively formed between guiding wall and burner inner wall.The configuration of the present invention is simple, take out by force or by force rouse by way of external air is entered in air flow passage, air can be entered in guiding channel and be moved upwards by venthole and cooled down to the burner inner wall of top in channel, and the temperature of combustion chamber is effectively reduced.
Description
Technical field
The present invention relates to heat exchange equipment technology, in particular to a kind of combustion heat-exchange dress with Multi-stage cooling structure
It sets.
Background technique
Combustion heat-exchange device is typically embodied in heating installation, and heating installation utilizes the combustion generated in the combustion process of fuel
It heats and heats water, and recycle the water being heated along piping, for indoor heating or hot water are supplied;This burning
Heat-exchanger rig generally comprises: combustion fuel gas and generate the thermal energy of high temperature burner, utilize the combustion heat of the burner
And the heat exchanger of the water of realization and inside heating and the combustion chamber being formed between burner and heat exchanger.At this point, such as
The thermal energy that fruit results from the high temperature of combustion chamber is passed to outside combustion chamber, then will lead to the heat waste of combustion chamber peripheral devices
It is bad, so generation in order to prevent the situation, needs the device of cooling combustion chamber.In device for cooling down combustion chamber, in the past
Usually used structure can be divided into: wall uses the dry method (Dry type) of heat-insulating material and matches heating water in the combustion chamber
Pipe is wrapped in the damp process (Wet type) of outer wall of combustion chamber.The dry method is needed using heat-insulating material, so combustion can be improved
The manufacturing cost of room is burnt, and even with heat-insulating material, there is also the unconspicuous problems of the cooling effect of combustion chamber.It is described wet
The thermal efficiency of formula method is higher than the thermal efficiency of dry method, but its structure is complicated, and may generate condensed water by wall in the combustion chamber,
And if be made with copper pipe material, there are problems that manufacturing cost rising.If to solve the above-mentioned problems and use resist it is cold
The material (such as stainless steel) of condensate, then there are problems that making trouble.
Summary of the invention
The present invention is to provide a kind of combustion heat-exchange with Multi-stage cooling structure to overcome above-mentioned defect in the prior art
Device, at least one set of venthole by being located on Inner Wall of Combustion Chamber and the guiding wall below every group of venthole, the two
Construction forms the guiding channel for guiding air flows upwards, to realize the segmented cooling to Inner Wall of Combustion Chamber, effectively protects
The temperature for demonstrate,proving Inner Wall of Combustion Chamber, avoided cause thermal damage.
To achieve the above object, the present invention provides a kind of combustion heat-exchange device with Multi-stage cooling structure, comprising:
Burner;
Heat exchanger;
Combustion chamber is formed between burner and heat exchanger;
The combustion heat-exchange device includes
Inner Wall of Combustion Chamber, around the outside for being set to combustion chamber;
Outer wall of combustion chamber, around the outside for being set to Inner Wall of Combustion Chamber;
Construction forms the air flow passage for guiding air to flow between the Inner Wall of Combustion Chamber and the outer wall of combustion chamber;
At least one set of guidance for being located at venthole and being connected to below each group of venthole is provided on the Inner Wall of Combustion Chamber
The lower end ring week of wall, the guiding wall is connected with the burner inner wall below venthole, and the upper end of the guiding wall is prolonged upwards
The top of venthole is extended to, is cooperatively formed between the guiding wall and burner inner wall for guiding air along burner inner wall
The guiding channel moved upwards, the venthole are the air intake of guiding channel.
Be further arranged to: the burner inner wall, which corresponds to, to be provided with for flow clearance between burner at burner
Bending part.
Be further arranged to: same group of venthole is at least one hole above guiding wall lower end.
Be further arranged to: the guiding wall is cyclic structure, cooperatively forms and draws between the guiding wall and Inner Wall of Combustion Chamber
Pathway.
Be further arranged to: the both ends of the guiding wall are connected with Inner Wall of Combustion Chamber respectively, the guiding wall and combustion chamber
Guiding channel is cooperatively formed between inner wall.
Compared with prior art, the configuration of the present invention is simple, rationally, it is easily manufactured, pass through what is flowed in air flow passage
Air can obstruct the heat transmitting between burning indoor and outdoor wall, while can speed up the heat for taking away inside and outside wall, play reduction
The effect of outer wall of combustion chamber temperature, while being supplied to the air of burner can be into flow process by air flow passage
Row preheating, to play the role of improving burner combustion efficiency;Furthermore pass through at least one set of outlet on Inner Wall of Combustion Chamber
Hole and the guiding wall being connected to below each group of venthole, the two, which is cooperatively formed, to be moved for guiding on air to reduce
The guiding channel of square inner wall temperature, so that by way of segmented cooling, the effective temperature for guaranteeing Inner Wall of Combustion Chamber avoids firing
It burns chamber interior walls and crosses cause thermal damage.
Detailed description of the invention
Fig. 1 is a kind of vertical cross section structural schematic diagram of the combustion heat-exchange device with Multi-stage cooling structure of the present invention;
Fig. 2 is one structural schematic diagram of horizontal section embodiment of combustion heat-exchange device of the invention;
Fig. 3 is two structural schematic diagram of horizontal section embodiment of combustion heat-exchange device;
Fig. 4 is three structural schematic diagram of horizontal section embodiment of combustion heat-exchange device.
The following drawings is marked to mark on it in conjunction with attached drawing:
1, burner;2, heat exchanger;3, combustion chamber;4, Inner Wall of Combustion Chamber;41, venthole;42, guiding wall;43, bending part;
5, outer wall of combustion chamber;6, air flow passage;7, guiding channel.
Specific embodiment
With reference to the accompanying drawing, the specific embodiment of the present invention is described in detail, it is to be understood that of the invention
Protection scope be not limited by the specific implementation.
A kind of combustion heat-exchange device with Multi-stage cooling structure of the present invention is as depicted in figs. 1 and 2, including shell and
It is arranged in the intracorporal burner 1 of shell and heat exchanger 2, which corresponds to and form combuster between burner 1 and heat exchanger 2
3, the mixture generation high-temperature flue gas of 1 combustion air of burner and combustion gas, the heat exchanger 2 can be burnt using burner 1
The high-temperature flue gas of generation occurs heat exchange with its internal water and heats to water.It is intracorporal in shell including shell and setting
Burner 1 and heat exchanger 2, the shell correspond to formation combuster 3 between burner 1 and heat exchanger 2, the burner 1 combustion
The mixture for burning air and combustion gas generates high-temperature flue gas, the high-temperature flue gas which can be generated using the burning of burner 1
Heat exchange occurs with its internal water to heat water.
As depicted in figs. 1 and 2, which includes Inner Wall of Combustion Chamber 4 and outer wall of combustion chamber 5, which surround and set
The outside in combustion chamber 3 is set, which is circumferentially positioned at the outside of Inner Wall of Combustion Chamber 4, the Inner Wall of Combustion Chamber 4 and combustion
It burns chamber outer wall 5 to be set in distance and cooperatively form the air flow passage 6 for air flowing between the two, the present apparatus is taken out using strong
Or the mode roused by force makes the air of hull outside enter enclosure interior, air flows in air flow passage 6 to be had
Directing heat transfer between the barrier burning indoor and outdoor wall of effect, while distributing in flow process accelerated heat, to reduce combustion
The temperature for burning indoor and outdoor wall, improves service life;Furthermore air can be supplied to by air flow passage 6 burner 1 with
For needed for its burning, which is able to carry out preliminary preheating during flowing through air flow passage 6, to effectively improve
The efficiency of combustion of burner 1.
As depicted in figs. 1 and 2, at least one set of venthole 41 is provided on the Inner Wall of Combustion Chamber 4 and go out positioned at each group
The guiding wall 42 of the lower section of stomata 41, the venthole 41 preferably two groups or more, the structure setting annular in shape of guiding wall 42,
The lower end of the guiding wall 42 is connected with the Inner Wall of Combustion Chamber 4 with 41 lower section of group venthole, and the upper end of guiding wall 42 is prolonged upwards
The top of venthole 41 is extended to, so that cooperatively forming between Inner Wall of Combustion Chamber 4 and guiding wall 42 for guiding air flows upwards
Guiding channel 7, the venthole 41 be connected to air flow passage 6 and guiding channel 7 air intake so that air stream
Air in dynamic channel 6 can be entered in guiding channel 7 by venthole 41 and be moved upwards along guiding channel 7, respectively right
Inner Wall of Combustion Chamber 4 above same group of venthole 41 is cooled down, so that the air in air flow passage 6 can divide
Section cools down Inner Wall of Combustion Chamber 4, to effectively avoid 4 temperature of Inner Wall of Combustion Chamber excessively high, it is ensured that service life.
In the above scheme, as the lower end for scheming to be located at guiding wall 42 is connect on constituted anchor ring with Inner Wall of Combustion Chamber 4
The venthole 41 of side is with group venthole 41, and preferably this is the same water for being distributed in Inner Wall of Combustion Chamber 4 with group venthole 41
Hole on flat ring face, so as to simplify the welded connecting of guiding wall 42 with Inner Wall of Combustion Chamber 4.
Further, the lower end of 4 respective combustion chamber 3 of Inner Wall of Combustion Chamber is provided with flows between burner 1 for reducing
The bending part 43 in gap.
By Fig. 2 and Fig. 4 it is found that the air flow passage that the Inner Wall of Combustion Chamber of the present embodiment and outer wall of combustion chamber cooperatively form
It can be the annular channel of connection, or disconnected, segmented channels.
As shown in figure 3, the both ends of the guiding wall 42 of the present embodiment are connected with Inner Wall of Combustion Chamber 4 respectively compared with Fig. 2, it should
Guiding wall 42 and Inner Wall of Combustion Chamber 4 cooperatively form guiding channel 7, which is at least connected with a venthole 41, i.e.,
At least one venthole 41 above same 42 lower end of guiding wall is one group.
Compared with prior art, the configuration of the present invention is simple, rationally, it is easily manufactured, pass through what is flowed in air flow passage
Air can obstruct the heat transmitting between burning indoor and outdoor wall, while can speed up the heat for taking away inside and outside wall, play reduction
The effect of outer wall of combustion chamber temperature, while being supplied to the air of burner can be into flow process by air flow passage
Row preheating, to play the role of improving burner combustion efficiency;Furthermore pass through at least one set of outlet on Inner Wall of Combustion Chamber
Hole and the guiding wall being connected to below each group of venthole, the two, which is cooperatively formed, to be moved for guiding on air to reduce
The guiding channel of square inner wall temperature, so that by way of segmented cooling, the effective temperature for guaranteeing Inner Wall of Combustion Chamber avoids firing
It burns chamber interior walls and crosses cause thermal damage.
Disclosed above is only the embodiment of the present invention, and still, the present invention is not limited to this, the technology of any this field
What personnel can think variation should all fall into protection scope of the present invention.
Claims (5)
1. a kind of combustion heat-exchange device with Multi-stage cooling structure, comprising:
Burner;
Heat exchanger;
Combustion chamber is formed between burner and heat exchanger;
It is characterized in that, the combustion heat-exchange device includes
Inner Wall of Combustion Chamber, around the outside for being set to combustion chamber;
Outer wall of combustion chamber, around the outside for being set to Inner Wall of Combustion Chamber;
Construction forms the air flow passage for guiding air to flow between the Inner Wall of Combustion Chamber and the outer wall of combustion chamber;
At least one set of guidance for being located at venthole and being connected to below each group of venthole is provided on the Inner Wall of Combustion Chamber
The lower end ring week of wall, the guiding wall is connected with the burner inner wall below venthole, and the upper end of the guiding wall is prolonged upwards
The top of venthole is extended to, is cooperatively formed between the guiding wall and burner inner wall for guiding air along burner inner wall
The guiding channel moved upwards, the venthole are the air intake of guiding channel.
2. a kind of combustion heat-exchange device with Multi-stage cooling structure according to claim 1, which is characterized in that the combustion
Burner inner wall corresponds to the bending part being provided at burner for flow clearance between burner.
3. a kind of combustion heat-exchange device with Multi-stage cooling structure according to claim 1, which is characterized in that same group
Venthole is at least one hole above guiding wall lower end.
4. a kind of combustion heat-exchange device with Multi-stage cooling structure according to claim 1, which is characterized in that described to draw
Guide wall is cyclic structure, cooperatively forms guiding channel between the guiding wall and Inner Wall of Combustion Chamber.
5. a kind of combustion heat-exchange device with Multi-stage cooling structure according to claim 1, which is characterized in that described to draw
The both ends of guide wall are connected with Inner Wall of Combustion Chamber respectively, cooperatively form guiding channel between the guiding wall and Inner Wall of Combustion Chamber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910598585.4A CN110296536A (en) | 2019-07-04 | 2019-07-04 | A kind of combustion heat-exchange device with Multi-stage cooling structure |
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CN201910598585.4A CN110296536A (en) | 2019-07-04 | 2019-07-04 | A kind of combustion heat-exchange device with Multi-stage cooling structure |
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CN201910598585.4A Pending CN110296536A (en) | 2019-07-04 | 2019-07-04 | A kind of combustion heat-exchange device with Multi-stage cooling structure |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111678130A (en) * | 2020-06-08 | 2020-09-18 | 华帝股份有限公司 | Air-cooled combustor subassembly and use its gas heater |
CN111720819A (en) * | 2020-06-08 | 2020-09-29 | 华帝股份有限公司 | Air-cooled combustor subassembly and use its gas heater |
CN112747469A (en) * | 2019-10-31 | 2021-05-04 | 芜湖美的厨卫电器制造有限公司 | Combustion chamber and gas appliance |
CN112747471A (en) * | 2019-10-31 | 2021-05-04 | 芜湖美的厨卫电器制造有限公司 | Combustion chamber and gas appliance |
CN112747472A (en) * | 2019-10-31 | 2021-05-04 | 芜湖美的厨卫电器制造有限公司 | Combustion chamber and gas appliance |
WO2021083047A1 (en) * | 2019-10-31 | 2021-05-06 | 芜湖美的厨卫电器制造有限公司 | Combustion chamber and gas apparatus |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05113207A (en) * | 1991-10-22 | 1993-05-07 | Hitachi Ltd | Burner |
CN101657681A (en) * | 2007-04-12 | 2010-02-24 | 圣戈班伊索福公司 | Internal combustion burner |
WO2012144766A2 (en) * | 2011-04-18 | 2012-10-26 | 주식회사 경동나비엔 | Cooling device of combustion chamber and combustion device having cooling structure of combustion chamber |
CN210165582U (en) * | 2019-07-04 | 2020-03-20 | 广东省众骋热能科技有限公司 | Combustion heat exchange device with multistage cooling structure |
-
2019
- 2019-07-04 CN CN201910598585.4A patent/CN110296536A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05113207A (en) * | 1991-10-22 | 1993-05-07 | Hitachi Ltd | Burner |
CN101657681A (en) * | 2007-04-12 | 2010-02-24 | 圣戈班伊索福公司 | Internal combustion burner |
WO2012144766A2 (en) * | 2011-04-18 | 2012-10-26 | 주식회사 경동나비엔 | Cooling device of combustion chamber and combustion device having cooling structure of combustion chamber |
CN210165582U (en) * | 2019-07-04 | 2020-03-20 | 广东省众骋热能科技有限公司 | Combustion heat exchange device with multistage cooling structure |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112747469A (en) * | 2019-10-31 | 2021-05-04 | 芜湖美的厨卫电器制造有限公司 | Combustion chamber and gas appliance |
CN112747471A (en) * | 2019-10-31 | 2021-05-04 | 芜湖美的厨卫电器制造有限公司 | Combustion chamber and gas appliance |
CN112747472A (en) * | 2019-10-31 | 2021-05-04 | 芜湖美的厨卫电器制造有限公司 | Combustion chamber and gas appliance |
WO2021083047A1 (en) * | 2019-10-31 | 2021-05-06 | 芜湖美的厨卫电器制造有限公司 | Combustion chamber and gas apparatus |
JP2023501216A (en) * | 2019-10-31 | 2023-01-18 | 蕪湖美的厨衛電器制造有限公司 | Combustion chamber and gas system |
JP7527365B2 (en) | 2019-10-31 | 2024-08-02 | 蕪湖美的厨衛電器制造有限公司 | Combustion chamber and gas system |
CN111678130A (en) * | 2020-06-08 | 2020-09-18 | 华帝股份有限公司 | Air-cooled combustor subassembly and use its gas heater |
CN111720819A (en) * | 2020-06-08 | 2020-09-29 | 华帝股份有限公司 | Air-cooled combustor subassembly and use its gas heater |
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