CN108730974A - A kind of closing burning jamb sandwich-type heat exchange structure - Google Patents
A kind of closing burning jamb sandwich-type heat exchange structure Download PDFInfo
- Publication number
- CN108730974A CN108730974A CN201710265198.XA CN201710265198A CN108730974A CN 108730974 A CN108730974 A CN 108730974A CN 201710265198 A CN201710265198 A CN 201710265198A CN 108730974 A CN108730974 A CN 108730974A
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- China
- Prior art keywords
- gas
- flue gas
- air
- layer
- air inlet
- 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
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/12—Radiant burners
- F23D14/126—Radiant burners cooperating with refractory wall surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/66—Preheating the combustion air or gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2212/00—Burner material specifications
- F23D2212/005—Radiant gas burners made of specific materials, e.g. rare earths
-
- 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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Supply (AREA)
Abstract
The present invention relates to a kind of closing burning jamb sandwich-type heat exchange structures, including：Enclosed burning cavity, into gas-bearing formation, flue gas layer, it is overlapping into gas-bearing formation and flue gas layer, each air inlet interlayer has vertical tube connection, each flue gas interlayer also has vertical tube connection, flue gas after burning converges to flue gas layer along exhaust passage, finally summarized to exhaust pipe through each flue gas layer by vertical tube, Gas Pipe is laid out in flue gas layer, gas spray head enters the air inlet layer below premix chamber through partition board, air is forcibly fed into from air inlet into gas-bearing formation simultaneously, and it is successively moved through the vertical tube of air interlayer and enters premix chamber together with finally spraying combustion gas with Gas Pipe, air-flow is exchanged heat by wall surface when these interlayers are passed through in high-temperature flue gas and Cryogenic air/combustion gas, to realize the heat exchange of high-temperature flue gas and air at room temperature/combustion gas.
Description
Technical field
The present invention relates to a kind of stove technical field, specifically a kind of closing burning jamb sandwich-type heat exchange structure
Background technology
Gas-cooker is all to use open fire combustion heating, either infrared-type or atmospheric combustion formula at present, and flame is all
The bottom of a pan is contacted, based on conduction heating, high-temperature flue gas directly distributes around, and the thermal efficiency is low (generally below 60%).Patent
A kind of numbers 101285596 Chinese patent " totally-enclosed gas furnace " is although disclosure is used using full-enclosed structure
Be atmospheric burning type, the thermal efficiency is low, and fume afterheat does not all utilize；Although publication No. is the disclosure of CN104864421A
It is specific to propose using infrared heating mode, it realizes and progress cooking is isolated by transparent SiO2 glass plates with cookware in flue gas
Technical solution, but fume afterheat does not also make full use of, and because of glass barrier, the thermal efficiency is lower.The patent No. 204678422 it is special
Sharp " afterheat utilizing device of gas cooker " discloses flue gas waste heat utilization device, using water storage coil pipe Mist heat recovering, to direct
Efficiency of combustion promotion is unrelated, and is not suitable for household, and the patent that number of patent application is 2016102172158 proposes fume afterheat again
Using method, but mainly contact heat exchange, air inlet is heated using fume afterheat, but its using honeycomb ceramics heat accumulation, change
Heat structure, gas-flow resistance is big, and the heat exchange area of intake and exhaust is smaller, and thermal inertia is big.
Invention content
It is overlapping flue gas exhaust layer and air/gas to form multiple folders into gas-bearing formation the object of the present invention is to provide a kind of
The structure that layer exchanges heat is suitable for enclosed infrared burning jamb or similar application occasion.
To achieve the above object, according to an aspect of the present invention, it is overlapping with into gas-bearing formation by multiple flue gas layers, cigarette
There are vertical tube connection, air inlet interlayer also to have vertical tube connection between gas-bearing formation, the flue gas after burning converges to flue gas layer along exhaust gases passes, passes through
The vertical tube of interlayer connection, which finally summarizes to exhaust pipe, to be discharged, while air is forcibly fed into gas-bearing formation from air inlet and penetrates air inlet
The vertical tube of interlayer successively moves up and finally enters premix chamber together with combustion gas, and flue gas layer is overlapping with air, because of flue gas and sky
Gas/gas inlet temperature difference is larger, is exchanged heat by wall surface when air-flow passes through, and realizes that high-temperature flue gas and the heat of air at room temperature/combustion gas are handed over
It changes.
The flue gas layer and exhaust gases passes are made of high heat conduction, the material of resistance to flue gas corrosion, as specially treated was done on surface
Aluminium.
It is described to flow through channel into gas-bearing formation for air, it is overlapping with flue gas layer, interlayer is connected to vertical tube, and finally connection is pre-
Mixed chamber.
It is conducted heat into gas-bearing formation by partition board with flue gas interlayer, the connection vertical tube of flue gas interlayer is because passing through into gas-bearing formation also by vertical tube
Wall surface conducts heat, and air inlet interlayer connection vertical tube is also conducted heat due to passing through flue gas layer by vertical tube wall surface.
Gas pipeline is arranged in flue gas layer, is preheated using fume afterheat, and gas pipeline must have high temperature resistance flue gas
The ability of corrosion can be used the materials such as brass or ferrum-chromium-aluminum and be made, and gas spray head enters after penetrating partition board close under premix chamber
Air inlet layer, combustion gas are sprayed from nozzle, and injection air enters premix chamber together.
Described into gas-bearing formation top layer is gas/air premix chamber, and flue gas first passes around premix chamber outside wall surface when being discharged, heat is logical
It crosses premix chamber wall surface and reaches internal preheated fuel gas/air Mixture, premix chamber wall thickness must be controlled at this time, wall surface is made to reach
To inner wall temperature when thermal balance less than premix gas firing temperature.
Compared with the prior art, the invention has the advantages that：
1., heat utilization efficiency higher more more energy efficient than the enclosed infrared stove that flue gas is expelled directly out.
2. flue gas/air heat-exchange area is big and structural volume is small, flue gas exhaust resistance is small.
Description of the drawings
Fig. 1 is the sectional view of one basic structure of the embodiment of the present invention
Fig. 2 is the sectional view of two basic structure of the embodiment of the present invention
Specific implementation mode
Embodiment one：Burning jamb is closed in Fig. 1, and closed cavity is constituted by work top (2), burner exocoel (3), it is internal
Infrared burner is formed by premix chamber (4) and burner plate (1), air is entered by air inlet (9), through it is multiple into
Enter premix chamber (4) after gas-bearing formation, combustion gas is arrived at gas spray head (13) by the Gas Pipe (10) being placed in flue gas layer, is injected into
Premix chamber (4) enters airtight cavity burning through burner plate after gas/air mixing, sends out infra-red radiation and generate high temperature cigarette
Gas, these flue gases converge to flue gas layer (5) along discharge directions, and are discharged from exhaust outlet (12) through after each flue gas layer.
High-temperature flue gas first passes around the gap between premix chamber (4) central through hole and inside and outside wall surface and arrives at flue gas layer (5), each cigarette
By vertical tube (8) intercommunication between gas-bearing formation, and exhaust outlet (12) is finally converged to, since the temperature of flue gas is higher, all flue gases pass through
Place must all have good hot properties and corrosion resistance or do corrosion resistance processing.
Gas inlet pipe is arranged in flue gas layer, is preheated using fume afterheat, and gas spray head enters tightly after penetrating partition board
Air inlet layer under adjacent premix chamber, combustion gas are sprayed from nozzle, and injection air enters premix chamber together.
Air enters from air inlet (9), through vertical tube (7) and finally arrive at have gas spray head (13) into gas-bearing formation
(6), while combustion gas sprays from nozzle (13) and enters premix chamber (4), air is under the double action of pressure itself and injection
Into premix chamber (4).
In order to enhance heat transfer effect, the connection vertical tube (7) of each air into layer tries not to make air-flow straight-through, to force to generate
Turbulent flow, increases the contact of gas and heat exchange partition board (11), same reason, and the connection vertical tube (8) of each flue gas layer also not allow air-flow
It is straight-through.
The advantages of this programme is that compact-sized, heat exchange efficiency is high, and gas-flow resistance is small.
Embodiment two：Structure and embodiment one are essentially identical in Fig. 2, closing burning jamb by work top (2), burner outside
Chamber (3) constitutes closed cavity, internal to form infrared burner by premix chamber (4) and burner plate (1), air by air into
Gas port (9) enters, and through multiple into premix chamber (4) is entered after gas-bearing formation, combustion gas is supported by the Gas Pipe (10) being placed in flue gas layer
Up to gas spray head (13), it is injected into premix chamber (4), enters airtight cavity burning, hair through burner plate after gas/air mixing
Go out infra-red radiation and generate high-temperature flue gas, these flue gases converge to flue gas layer (5) along discharge directions, and through after each flue gas layer from
Exhaust outlet (12) is discharged.
Be connected to vertical tube without flue gas among air layer (8) in this example, but form an independent air cavity, flue gas from this
The outer gap between burner exocoel (3) of cavity passes through, which makes air chamber be surrounded by high-temperature flue gas chamber, and pre-heat effect is also very
It is good.
Above-described embodiment is only that the preferred embodiment of the present invention is described, not to the spirit and scope of the present invention
It is defined, under the premise of not departing from design philosophy of the present invention, technical side of the professional and technical personnel in the art to the present invention
The various changes and modifications that case is taken, all belong to the scope of protection of the present invention.
Claims (4)
1. a kind of closing burning jamb sandwich-type heat exchange structure, including：The interlayer that enclosed burning cavity (3), air inlet flow through
(6), the interlayer (5) that flue gas flows through, it is characterised in that：Flue gas layer (5) is overlapping with into gas-bearing formation (6), has between flue gas layer (5) perpendicular
(8) connection is managed, flue gas layer is converged into also having vertical tube (7) connection, flue gas between gas-bearing formation (6) along exhaust passage from combustion front and leads to
The vertical tube (8) for crossing interlayer connection finally converges to exhaust pipe (12), while air inlet is forcibly fed into air layer from air inlet (9)
(6) and through the vertical tube (7) of air inlet interlayer it successively moves up and finally enters premix chamber together with the combustion gas that Gas Pipe (13) sprays
(4), because flue gas with it is very big into air Temperature Difference, air-flow pass through these interlayers when exchanged heat by wall surface, flue-gas temperature reduce, combustion
Gas/air inlet temperature rises, to realize the heat exchange of high-temperature flue gas and room temperature gas/air.
2. a kind of closing burning jamb sandwich-type heat exchange structure according to claim 1, it is characterised in that：The flue gas layer
(5) and air layer (5) quantity is unlimited, as long as can guarantee the smooth of disengaging air-flow, needs to increase air inlet when airflow obstruction
Power takes forced exhaust measure.
3. a kind of closing burning jamb sandwich-type heat exchange structure according to claim 1, it is characterised in that：The flue gas layer
Between vertical tube (8) or air inlet interlayer vertical tube (6) form it is unlimited, can also be periphery or the gap of internal run-through between interlayer.
4. a kind of closing burning jamb sandwich-type heat exchange structure according to claim 1, it is characterised in that：Gas inlet pipe
(10) and its branched pipe can be laid out in flue gas layer, utilize fume afterheat preheated fuel gas air inlet, gas spray head transmission layer spacing board
Into close to the air layer under premix chamber.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710265198.XA CN108730974A (en) | 2017-04-21 | 2017-04-21 | A kind of closing burning jamb sandwich-type heat exchange structure |
| PCT/CN2018/083198 WO2018192442A1 (en) | 2017-04-21 | 2018-04-16 | Closed combustion burner sandwich-layer heat exchange structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710265198.XA CN108730974A (en) | 2017-04-21 | 2017-04-21 | A kind of closing burning jamb sandwich-type heat exchange structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108730974A true CN108730974A (en) | 2018-11-02 |
Family
ID=63856455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710265198.XA Pending CN108730974A (en) | 2017-04-21 | 2017-04-21 | A kind of closing burning jamb sandwich-type heat exchange structure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108730974A (en) |
| WO (1) | WO2018192442A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487097A (en) * | 2019-08-26 | 2019-11-22 | 周封 | Constitute the accumulation of heat brick structure of a variety of space multistory air path systems |
| CN113670079A (en) * | 2021-09-08 | 2021-11-19 | 洛阳君江建材科技有限公司 | Multi-stage preheating device for sodium silicate kiln |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4094297A (en) * | 1976-02-02 | 1978-06-13 | Ballentine Earle W | Ceramic-glass burner |
| WO1998012480A1 (en) * | 1996-09-23 | 1998-03-26 | Gastec N.V. | Ceramic hot plate |
| CN204806395U (en) * | 2015-07-01 | 2015-11-25 | 慈溪正军厨具配件有限公司 | Naturally, draw formula of penetrating kitchen range |
-
2017
- 2017-04-21 CN CN201710265198.XA patent/CN108730974A/en active Pending
-
2018
- 2018-04-16 WO PCT/CN2018/083198 patent/WO2018192442A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4094297A (en) * | 1976-02-02 | 1978-06-13 | Ballentine Earle W | Ceramic-glass burner |
| WO1998012480A1 (en) * | 1996-09-23 | 1998-03-26 | Gastec N.V. | Ceramic hot plate |
| CN204806395U (en) * | 2015-07-01 | 2015-11-25 | 慈溪正军厨具配件有限公司 | Naturally, draw formula of penetrating kitchen range |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487097A (en) * | 2019-08-26 | 2019-11-22 | 周封 | Constitute the accumulation of heat brick structure of a variety of space multistory air path systems |
| CN113670079A (en) * | 2021-09-08 | 2021-11-19 | 洛阳君江建材科技有限公司 | Multi-stage preheating device for sodium silicate kiln |
| CN113670079B (en) * | 2021-09-08 | 2024-03-12 | 洛阳君江建材科技有限公司 | Multistage preheating device of sodium silicate kiln |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018192442A1 (en) | 2018-10-25 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181102 |