CN100523608C - Mixed ceramic combusting device - Google Patents
Mixed ceramic combusting device Download PDFInfo
- Publication number
- CN100523608C CN100523608C CNB200710139515XA CN200710139515A CN100523608C CN 100523608 C CN100523608 C CN 100523608C CN B200710139515X A CNB200710139515X A CN B200710139515XA CN 200710139515 A CN200710139515 A CN 200710139515A CN 100523608 C CN100523608 C CN 100523608C
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- China
- Prior art keywords
- burner
- fire
- ceramic
- furnace end
- fire cover
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- Expired - Fee Related
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- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention relates to a hybrid-type ceramic burner and a ceramic material for the preparation of a furnace end and a fire cover of a burner. The ceramic burner comprises a furnace end and an injector; wherein the furnace end is provided with a large fire cover and a center micro flame fire cover, the bottom of the furnace end is connected with three injectors, and the axial line of the injection hole in the injector is perpendicular to the bottom of the furnace end; the large fire cover and the center micro flame fire cover of the furnace end are ceramic fire covers. The ceramic materials for the preparation of the furnace end and the fire cover of the burner include the parts by weight percentage that: silicon dioxide: 65 to 75 shares, mullite: 15 to 22 shares, and aluminum oxide: 7 to 10 shares. The burner provided in the invention has the advantages of compact structure, concentrated firepower and good uniformity of combustion; the power can reach over 4.4kW, and the heat efficiency can be improved by over 24 percent. The ceramic material has small deflection, thereby being particularly applied to the manufacture and application of the furnace end and the fire cover of the hybrid-type ceramic burner.
Description
Technical field
The present invention relates to a kind of household gas range, specifically a kind of hybrid ceramic burner.
Background technology
Household gas range is that the chemical energy thermotropism transformation of energy by combustion gas comes cooking dish, processed food, to satisfy the gas appliance of family's needs.Gas-cooker is made up of supply air line, burner and auxiliary member etc. usually.Burner is the major part of gas-cooker.Burner in the present widely used gas-cooker mostly is injection type atmospheric combustion device.The ejecting port axis of its injector parallels with the bottom surface of burner usually, so the injector long 6-10 of injection throat diameter (be generally doubly).In addition, existing injection type atmospheric combustion device generally all is to use the metal material manufacturing.There are weak points such as primary air ratio is lower, adjusting is difficult, ignition temperature is low, the thermal efficiency is low in the burner of existing structure.For addressing these problems, manufacturing firm can be equipped with damper at the ejecting port place of injector usually, but its effect is unsatisfactory.
The CN2578698Y patent disclosure a kind of efficiency energy saving burner, it includes burner, skirt, injector, its design main points are ring-like tracheaes that preheating is installed at the periphery of body of heater, source of the gas can fully gasify after the preheating in ring-like tracheae, pass through skirt and injector then, send into the burner block internal combustion, reach the purpose of energy savings, the raising thermal efficiency with this.Though this technical scheme has improved the thermal efficiency of burner to a certain extent, it also fails to tackle the problem at its root.In addition, the ring-like tracheae of its peripheral hardware also might reduce the security performance of burner.
Summary of the invention
Purpose of the present invention is exactly that a kind of hybrid ceramic burner that improves the gas-cooker thermal efficiency will be provided.
The object of the present invention is achieved like this: the hybrid ceramic burner of a kind of gas-cooker, include burner and injector, burner is provided with the little fireworks lid of big fire fire lid and center, its design main points are that the burner bottom is connected with three injectors, and the bottom surface of its axis of the ejecting port in the injector and burner is perpendicular; The little fireworks lid in big fire fire lid on the burner and center is pottery fire lid; This ceramic material is to be made by the component that comprises following weight part ratio: 65～75 parts of silica, 15～22 parts of mullites, 7～10 parts of alundum (Als.
In said components, can also add 1～5 part of magnesium dioxide.
The present invention has shortened the length of injector thus greatly with the perpendicular design in bottom surface of the axis and the burner of injector ejecting port, and the area that makes the injector ejecting port is big and length short; Three injectors in the burner bottom design can be divided into three independently gas circuits, can fully attract surrounding air to enter in the injector thus, so make it need not settle damper can make it to show best combustion conditions.In addition, the design with the perpendicular injector in the bottom surface of burner makes burner can make full use of the gaseous-pressure energy, has improved the intensity of fire and the uniformity thus greatly, has improved ignition temperature.The present invention uses pottery fire lid to replace metal fire lid, can make the fire lid adapt to the ignition temperature that obviously increases on the one hand, can make full use of the little characteristics of ceramic material heat conduction loss again simultaneously, has further improved the thermal efficiency of burner thus.
Burner structure compactness of the present invention, firepower is concentrated, the burning good uniformity, power can reach more than the 4.4kw, and the traditional burner of thermal efficiency ratio can improve more than 24%.
The excellent effect of burner of the present invention has obtained confirmation by following contrast test.See table 1 for details.
Table 1: burner of the present invention and traditional burner application effect are relatively
Annotate: test liquefied gas low heat value 107.8MJ/Nn/, pressure 2.8kPa, heat flow is 3.9kW.
In order further to improve the practical function of burner of the present invention, overcome existing ceramic material poor toughness simultaneously, be out of shape unmanageable problem, the present invention provides a kind of ceramic material that can be used for making this burner fire lid simultaneously.
Ceramic material of the present invention, deflection are less than 1%, and dimensional stability is good, are particularly suitable for the manufacturing and the application of hybrid ceramic burner stove burner fire cover.
During fabrication, can adopt conventional ceramic sintering technology to sinter ceramic material of the present invention into hybrid ceramic burner stove burner fire cover of the present invention.Also can add an amount of auxiliary material during fabrication, as lubricant and/or plasticizer etc. according to routine techniques.
Be described in further detail the present invention below in conjunction with drawings and the specific embodiments, but it does not limit the present invention in any form.
Description of drawings
Fig. 1 is the structural representation of gas-cooker of the present invention with hybrid ceramic burner.
The specific embodiment
Embodiment 1:
As shown in Figure 1, the hybrid ceramic burner of the present invention, include burner 1, the injector 10 made with metal material or ceramic material, be provided with ceramic induction tunnel 5 in the injector 10, burner 1 is provided with the little fireworks lid 4 of ceramic big fire fire lid 3 and ceramic center, the bottom of burner 1 is connected with three injectors 10, and ejecting port 9 its axis in the injector 10 and the bottom surface of burner 1 are perpendicular.In order further to improve firepower, ceramic big fire fire lid 3 is designed to the leaning angles (β) that its male cone (strobilus masculinus) and horizontal plane have 30～40 degree, on the perimeter wall of big fire fire lid 3, be distributed with the fire holes 7 of arranging simultaneously more.Can make the upper surface and the side end face of big fire fire lid 3 be distributed with fire output hole simultaneously thus, can further strengthen firepower thus.
Trickleer design is a version of little fireworks lid 4 in center and big fire fire lid 3 being made high low head, and is distributed with the fire hole 11 in the different apertures of many rows on the little fireworks lid 4 in center.Make combustion flame more concentrated and even thus, thereby further improved the thermal efficiency.Outer ring fire this moment is in injection type atmospheric burning type operating mode, and middle internal heat is in fully-premixed combustion conditions.In order further to improve the uniformity of flame, can design in burner 1 has the steady flame baffle plate 2 of regulating air-flow.
Embodiment 2:
The present invention is used to prepare the consisting of of ceramic material of hybrid ceramic burner stove burner fire cover:
Take by weighing silica 65kg, mullite 15kg, alundum (Al 7kg, adopt conventional ceramic double sintering technology, about 800 degree Celsius, carry out low-temperature sintering earlier, finish the high temperature sintering moulding that change 1800 degree Celsius after degreasing dewaxes over to, promptly can be made into hybrid ceramic burner stove burner fire cover.
Embodiment 3～5:
Can select known ceramic post sintering preparation method for use, be fired into the little fireworks lid in big fire fire lid of the present invention and center, the proportioning weight of used each component of ceramic material is as follows:
The foregoing description all has effect of the present invention.
Claims (5)
1, a kind of hybrid ceramic burner includes burner (1), injector (10), burner
(1) be provided with the little fireworks lids in big fire fire lid (3) and center (4), burner (1) bottom is connected with three injectors (10), its axis of ejecting port (9) and burner in the injector (10)
(1) bottom surface is perpendicular, it is characterized in that described stove burner fire cover is a ceramic material, and this material is to be made by the component that comprises following weight part ratio: 65～75 parts of silica comprises, 15～22 parts of mullites, 7～10 parts of alundum (Als.
2, hybrid ceramic burner according to claim 1 is characterized in that described ceramic material also contains 1～10 part of magnesium dioxide.
3, hybrid ceramic burner according to claim 1 and 2 is characterized in that described big fire fire lid (3) its male cone (strobilus masculinus) and horizontal plane have the leaning angle (β) of 20-30 degree, are distributed with many row's fire holes (7) on the perimeter wall of big fire fire lid (3).
4, hybrid ceramic burner according to claim 1 and 2 is characterized in that little fireworks lids in described center (4) and big fire fire lid (3) have high low head, and is distributed with the fire hole (11) in the different apertures of many rows on the little fireworks lids in center (4).
5, hybrid ceramic burner according to claim 4 is characterized in that being provided with in the described burner (1) the steady flame plate (2) of regulating air-flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200710139515XA CN100523608C (en) | 2007-09-29 | 2007-09-29 | Mixed ceramic combusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200710139515XA CN100523608C (en) | 2007-09-29 | 2007-09-29 | Mixed ceramic combusting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101140067A CN101140067A (en) | 2008-03-12 |
| CN100523608C true CN100523608C (en) | 2009-08-05 |
Family
ID=39192120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200710139515XA Expired - Fee Related CN100523608C (en) | 2007-09-29 | 2007-09-29 | Mixed ceramic combusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100523608C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196068B (en) * | 2016-08-08 | 2019-04-05 | 广东美的厨房电器制造有限公司 | Air distribution disk, burner, gas-cooker and oven |
| CN109931612B (en) * | 2017-12-19 | 2024-01-16 | 宁波方太厨具有限公司 | Fire cover with switchable fire holes and burner with fire cover |
| CN108286709A (en) * | 2018-02-02 | 2018-07-17 | 缙云县隆安实业有限公司 | A kind of electrotechnical ceramics fire cover and its technique |
| CN113574319A (en) * | 2019-03-08 | 2021-10-29 | Somipress注射金属协会股份责任有限公司 | Burner with low-temperature cover |
-
2007
- 2007-09-29 CN CNB200710139515XA patent/CN100523608C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101140067A (en) | 2008-03-12 |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20100929 |