CN205504988U - Ceramic honey comb porous medium combustor - Google Patents
Ceramic honey comb porous medium combustor Download PDFInfo
- Publication number
- CN205504988U CN205504988U CN201620074761.6U CN201620074761U CN205504988U CN 205504988 U CN205504988 U CN 205504988U CN 201620074761 U CN201620074761 U CN 201620074761U CN 205504988 U CN205504988 U CN 205504988U
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- CN
- China
- Prior art keywords
- honey comb
- ceramic honey
- porous media
- comb porous
- burning zone
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Abstract
The utility model belongs to the technical field of the low concentration mixes the gas combustion in advance, a ceramic honey comb porous medium combustor is related to to it is gaseous as fuel that concentration is less than mixing in advance of explosion limit lower limit. The utility model discloses an innovation point lies in: set up stationary flow section casing, insulation material, burning zone casing, dog brick, ceramic honey comb porous medium and adiabatic complete combustion chamber, the inside front end of burning zone casing is equipped with dog brick and ceramic honey comb porous medium, the low concentration mix in advance gaseous preheat in ceramic honey comb porous medium and begin burn, the inside rear end of burning zone casing be adiabatic complete combustion chamber, for complete combustion's yet low concentration in advance thoughtlessly gas provide the space of abundant reaction. The utility model discloses effectively solve the low concentration and mixed gaseous reduction of discharging in advance, utilized the problem, and had safety and stability, combustion efficiency height and equipment cost low grade advantage.
Description
Technical field
This utility model belongs to low concentration premixed combustion gas technical field, relates to a kind of ceramic honey comb porous
Medium burner, with concentration less than lower explosive limit, calorific value 250Kcal/m3～420Kcal/m3Pre-
Mixed gas, as fuel, by arranging the preheating zone using ceramic honey comb as porous media and combustion zone, is protected
Card low concentration, low heat value premixed gas are stablized, are burnt completely.This technology is applicable to oil, chemical industry row
Various low concentrations, the low heat value premixed gases such as the process tail gas of industry or the drawing-off gas of coal industry are as combustion
The burner of material.
Background technology
Oil, coal produce big volume low-concentration, low heat value associated gas, colliery watt in recovery process
This；The industries such as oil, chemical industry, manufacture, metallurgy, pharmacy the most also can produce a large amount of low dense
Degree, low heat value process tail gas, such as refinery tail-gas, oil shale oil-refining tail gas, prepare activated carbon tail
Gas etc..Part associated gas, coal bed gas or process tail gas concentration may below lower explosive limit,
Low heat value is generally at 250Kcal/m3～420Kcal/m3, natural conditions can not continuously, stable burning,
The most generally cannot utilize.If directly discharging, not only wasting the energy but also polluting environment.At present
Application way have other fuel of blending to improve calorific value or high heat value gas companion's burning etc.；These methods exist
To consume a large amount of high-grade fuel while utilizing low concentration, low heat value premixed gas, limit low dense
Degree, low-BTU gas utilize scope, utilize simultaneously cost improve, economic benefit reduce.
Summary of the invention
The purpose of this utility model is: provide a kind of ceramic honey comb porous media combustor, low with concentration
In lower explosive limit, calorific value 250Kcal/m3～420Kcal/m3Premixed gas as fuel, it is achieved
Low concentration, low heat value premixed gas are stablized, are burnt completely, make burning produce heat and are obtained by.
In order to overcome the shortcoming and defect of prior art, this utility model is used by its technical problem of solution
Technical scheme be: a kind of ceramic honey comb porous media combustor, it is characterised in that it includes steady flow segment
Housing, insulation material, burning zone housing, block brick, ceramic honey comb porous media, adiabatic secondary furnace；
Described steady flow segment housing and described burning zone housing are by Flange joint, described steady flow segment housing and institute
Stating burning zone casing lining has insulation material, described steady flow segment housing and internal cavity to use gradually expanded form to set
Put；
Described burning zone enclosure interior front interval arranges block brick described in two rows, block brick described in two rows it
Between fill described ceramic honey comb porous media, described ceramic honey comb porous media material is carborundum, corundum
Or corundum-mullite, described burning zone enclosure interior rear end arranges described adiabatic secondary furnace；
Further, ceramic honey comb porous media length L1 described in described burning zone enclosure interior is
0.5m～1m, described adiabatic secondary furnace length L2 is 0.3m～0.5m, described ceramic honey comb porous media
Identical with described adiabatic secondary furnace cross-sectional area, it is A.
Further, described ceramic honey comb porous media or the determination of described adiabatic secondary furnace cross-sectional area A
According to formula: A=CQ；In formula, C is 3.26 × 10-4H/m～7.48 × 10-4h/m；Q is described honeybee
The volume flow of the low concentration premixed gas being passed through in nest ceramic porous medium or adiabatic secondary furnace, unit
m3/h。
Further, described insulation material is Low Cement Castable or alumina silicate fibre.
Further, described ceramic honey comb porous media includes ceramic thin-walled and the square of " well " word shape
Gas channel, the inscribed circle diameter a of described foursquare gas channel is 0.5mm～2.5mm, institute
The thickness b stating pottery thin-walled is 0.3mm～1mm.
Further, described ceramic honey comb porous media includes the ceramic thin-walled of honeycomb shape and hexagonal
Gas channel, the inscribed circle diameter a of described hexagonal gas channel is 0.5mm～3mm, described pottery
The thickness b of porcelain thin-walled is 0.3mm～1mm.
This utility model is owing to taking above technical scheme, and it has the advantage that 1, ceramic honey comb is many
Hole medium burner, using the low concentration premixed gas that cannot burn under natural conditions as fuel, reclaims, profit
With mass energy, simultaneously for solving low concentration gas process, reducing discharging a kind of technical scheme of problem offer；2、
Low concentration premixed gas starts burning, safety while preheating in ceramic honey comb porous media material
Good；3, arranging adiabatic secondary furnace inside burner shell, burner combustion efficiency improves；4, work is used
The ceramic honey comb that industry is commonly used in producing reduces as porous media material, burner cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment.
Fig. 2 is the structural representation of the ceramic honey comb monomer of this utility model square gas channel.
Fig. 3 is the structural representation of the ceramic honey comb monomer of this utility model hexagon gas channel.
Wherein, steady flow segment housing (1), insulation material (2), burning zone housing (3), block
Brick (4), ceramic honey comb porous media (5), adiabatic secondary furnace (6), ceramic honey comb thin-walled (7),
Gas channel (8).
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, referring to the drawings
Develop simultaneously embodiment, further describes this utility model.
Fig. 1 is a kind of embodiment of the present utility model.The ceramic honey comb using low concentration premixed gas is many
Hole medium burner, including: steady flow segment housing 1, insulation material 2, burning zone housing 3, block brick 4,
Ceramic honey comb porous media 5, adiabatic secondary furnace 6.
Steady flow segment housing 1 and burning zone housing 3 pass through Flange joint；Steady flow segment housing 1 and burning zone shell
Body 3 is lined with insulation material 2, and insulation material 2 is Low Cement Castable or alumina silicate fibre, is used for subtracting
Few porous media combustor radiation loss；Steady flow segment housing 1 and internal cavity use gradually expanded form to arrange, and use
To reduce air velocity, steady flow direction.
Burning zone housing 3 interior forward end interval arranges two gear block bricks 4, fills between two gear block bricks 4
Ceramic honey comb porous media 5, ceramic honey comb porous media material 5 is that carborundum, corundum or corundum do not come
Stone, block brick 4 be provided for protect ceramic honey comb porous media 5；Burning zone housing 2 Internal back end
Cavity is adiabatic secondary furnace 6, provides the sky of fully reaction for the most imperfect combustion low concentration premixed gas
Between.
Burning zone housing 3 internal cellular ceramic porous medium 5 length L1 is 0.5m～1m；Adiabatic after-flame
Room 6 length L2 is 0.3m～0.5m, ceramic honey comb porous media 5 and adiabatic secondary furnace 6 cross-sectional area
It is A (unit m2), generally determined by formula A=CQ；Wherein C is constant, and general value is
3.26×10-4～7.48 × 10-4(unit h/m)；Q is the volume flow (unit of low concentration premixed gas
m3/h)。
Fig. 2 is the version of the ceramic honey comb porous media 5 of square gas channel.Fig. 2 show
Ceramic honey comb porous media 5 is along the partial cross sectional views of uprush flow direction.Ceramic honey comb porous is situated between
Matter 5 is made ceramic thin-walled 7 and the foursquare gas channel 8 of diagram " well " word shape by pottery.Wherein,
The inscribed circle diameter a of foursquare gas channel 8 is 0.5mm～2.5mm；The thickness of pottery thin-walled 7
B is 0.3mm～1mm.
Fig. 3 is the version of the ceramic honey comb porous media 5 of hexagon gas channel.Fig. 3 show
Ceramic honey comb porous media 5 is along the partial cross sectional views of uprush flow direction.Ceramic honey comb porous is situated between
Matter 5 is made ceramic thin-walled 7 and hexagonal gas channel 8 of diagram honeycomb shape by pottery.Wherein,
The inscribed circle diameter a of hexagonal gas channel 8 is 0.5mm～3mm；The thickness b of pottery thin-walled 7
For 0.3mm～1mm.
The using method of a kind of ceramic honey comb porous media combustor, the steps include:
1) first by electric heater or combustion gas, ceramic honey comb porous media 5 is heated to 800 DEG C～850 DEG C；
2) then low concentration premixed gas being passed through ceramic honey comb porous media combustor, low concentration premixes
Gas is slowed down by steady flow segment housing 1, after current stabilization, enters burning zone housing 3 internal, at ceramic honey comb
The internal preheating of porous media 5 is also ignited, and forms stable flame, and low concentration premixed gas is continuously, surely
Fixed burning；
3) the most imperfect combustion low concentration premixed gas is the most anti-in entering back into rear portion thermal insulation secondary furnace 6
Should, generating 700 DEG C～the high-temperature flue gas of 930 DEG C, flue gas heat is available for recycling.
These are only preferred embodiment of the present utility model, not in order to limit this utility model, all
Within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. done, all
Should be included within the scope of this utility model.
Claims (6)
1. a ceramic honey comb porous media combustor, it is characterised in that it include steady flow segment housing,
Insulation material, burning zone housing, block brick, ceramic honey comb porous media, adiabatic secondary furnace；
Described steady flow segment housing and described burning zone housing are by Flange joint, described steady flow segment housing and institute
Stating burning zone casing lining has insulation material, described steady flow segment housing and internal cavity to use gradually expanded form to set
Put；
Described burning zone enclosure interior front interval arranges block brick described in two rows, block brick described in two rows it
Between fill described ceramic honey comb porous media, described ceramic honey comb porous media material is carborundum, corundum
Or corundum-mullite, described burning zone enclosure interior rear end arranges described adiabatic secondary furnace.
2. a kind of ceramic honey comb porous media combustor as claimed in claim 1, it is characterised in that
Described in described burning zone enclosure interior, ceramic honey comb porous media length L1 is 0.5m～1m, described thermal insulation
Secondary furnace length L2 is 0.3m～0.5m, and described ceramic honey comb porous media is horizontal with described adiabatic secondary furnace
Sectional area is identical.
3. a kind of ceramic honey comb porous media combustor as claimed in claim 2, it is characterised in that
The determination of described ceramic honey comb porous media and described adiabatic secondary furnace cross-sectional area A is according to formula:
A=CQ；In formula, C is 3.26 × 10-4H/m～7.48 × 10-4h/m；Q is described ceramic honey comb porous
The volume flow of the low concentration premixed gas being passed through in medium or adiabatic secondary furnace, unit m3/h。
4. a kind of ceramic honey comb porous media combustor as claimed in claim 3, it is characterised in that
Described insulation material is Low Cement Castable or alumina silicate fibre.
A kind of ceramic honey comb porous media combustor the most as claimed in claim 1 or 2 or 3 or 4,
It is characterized in that, described ceramic honey comb porous media includes the ceramic thin-walled of " well " word shape and foursquare
Gas channel, the inscribed circle diameter a of described foursquare gas channel is 0.5mm～2.5mm, described
The thickness b of pottery thin-walled is 0.3mm～1mm.
A kind of ceramic honey comb porous media combustor the most as claimed in claim 1 or 2 or 3 or 4,
It is characterized in that, described ceramic honey comb porous media includes the ceramic thin-walled of honeycomb shape and hexagonal gas
Circulation road, the inscribed circle diameter a of described hexagonal gas channel is 0.5mm～3mm, described pottery
The thickness b of thin-walled is 0.3mm～1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620074761.6U CN205504988U (en) | 2016-01-25 | 2016-01-25 | Ceramic honey comb porous medium combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620074761.6U CN205504988U (en) | 2016-01-25 | 2016-01-25 | Ceramic honey comb porous medium combustor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205504988U true CN205504988U (en) | 2016-08-24 |
Family
ID=56723456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620074761.6U Expired - Fee Related CN205504988U (en) | 2016-01-25 | 2016-01-25 | Ceramic honey comb porous medium combustor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205504988U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030553A (en) * | 2019-04-30 | 2019-07-19 | 北京和荣工程技术有限公司 | A kind of environmentally friendly super-cleaning burner of sulfur recovery tail gas burning |
-
2016
- 2016-01-25 CN CN201620074761.6U patent/CN205504988U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030553A (en) * | 2019-04-30 | 2019-07-19 | 北京和荣工程技术有限公司 | A kind of environmentally friendly super-cleaning burner of sulfur recovery tail gas burning |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20180125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |