CN205782895U - A kind of modular multijet combustible powder burner - Google Patents
A kind of modular multijet combustible powder burner Download PDFInfo
- Publication number
- CN205782895U CN205782895U CN201620466651.4U CN201620466651U CN205782895U CN 205782895 U CN205782895 U CN 205782895U CN 201620466651 U CN201620466651 U CN 201620466651U CN 205782895 U CN205782895 U CN 205782895U
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- China
- Prior art keywords
- burner
- combustible powder
- fuel gas
- pilot jet
- passage
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Abstract
Disclose a kind of modular multijet combustible powder burner, including ignition burner, multiple pilot jet, body of heater.The plurality of pilot jet is fixed on outside ignition burner, and circumferentially distributed centered by ignition burner；The bottom of ignition burner and pilot jet is connected with body of heater.Ignition burner includes: the fuel gas passageway that arranges from inside to outside, the first oxidant channel；Moveable igniter it is provided with in fuel gas passageway.Pilot jet includes: the combustible powder passage that arranges from inside to outside, the second oxidant channel；It is provided with cyclone in the bottom of the second oxidant channel.Fuel gas passageway, the first oxidant channel, combustible powder passage, the outer wall of the second oxidant channel are water-cooling wall.This utility model can be by the workload of the quantity regulating burner of regulation pilot jet；By igniter being withdrawn from after lighting ignition burner, igniter can be made to damage from ablation.
Description
Technical field
This utility model relates to burner arts, particularly relates to a kind of modular multijet combustible powder burning
Device.
Background technology
At present, the most widely used burner is essentially from Texaco company and Shell company.
Such as, the gasification furnace burner of Texaco company, the coal dust gasification equipment of Shell company.Texaco company
Gasification furnace burner with water-coal-slurry for charging, its nozzle is divided into three layers of passage, including: be positioned at center
First oxygen channel, is positioned at the water-coal-slurry passage outside the first oxygen channel, is positioned at outside water-coal-slurry passage
The second oxygen channel.This gasification furnace burner is led to the first oxygen channel, the second oxygen by water-coal-slurry
Oxygen in road is sufficiently mixed, and makes burning more abundant.Although the technical maturity of this gasification furnace burner, but
It is that it also has weak point.One is, high speed water coal slurry is very serious to the abrasion of nozzle, needs often to change
Wear-out part；Two are, this burner uses pre-hot nozzle to heat the refractory brick in body of heater, waits furnace body temperature
Reaching to light a fire water-coal-slurry during the ignition temperature of water-coal-slurry, sparking mode is loaded down with trivial details again；Three are, this burner
Structural requirement coal can wear into the water-coal-slurry by certain particle size distribution, but part coal be not suitable for making water
Coal slurry, the scope of application causing this burner is limited.
The coal dust gasification equipment of Shell company is with dry pulverized coal for charging, and uses high-pressure inert gas by dry coal
Powder delivers into gasification furnace, and coal dust flow velocity is relatively low.This equipment for gasification is less to the abrasion of nozzle, to coal
The scope of application wider.But, this coal dust gasification equipment there is also some shortcomings.One is, itself does not carries
Igniter, needs separately to add igniter in gasification furnace and lights a fire；Two are, this equipment for gasification includes
4-6 overlaps burner, and installation accuracy requires the highest；Three be, this equipment for gasification relies primarily on the structure that liquidates and realizes
Coal dust and the mixing of oxygen, single burner cannot work independently, and causes the scope of application the least.
Due to the gasification furnace burner of Texaco company, the coal dust gasification equipment of Shell company is individually present
Weak point, needs a kind of applied widely, length in service life, efficiency of combustion height, knot badly in prior art
The solution of the novel burner that structure is compact.
Utility model content
The purpose of this utility model be to propose a kind of applied widely, length in service life, efficiency of combustion high,
The novel burner of compact conformation, especially a kind of modular multijet combustible powder burner.
Modular multijet combustible powder burner of the present utility model, including: ignition burner, N number of auxiliary
Help nozzle, body of heater；Described N number of pilot jet is fixed on outside described ignition burner, and with described point
Centered by fire-fighting mouth circumferentially distributed；The bottom of described ignition burner and described N number of pilot jet is with described
Body of heater is connected；
Described ignition burner includes: the fuel gas passageway that sets gradually the most outward, the first oxidant
Passage；Further, in described fuel gas passageway, moveable igniter it is provided with；
Described pilot jet includes: the combustible powder passage that sets gradually the most outward, the second oxidation
Agent passage；Further, the bottom at the second oxidant channel is provided with cyclone；
Described fuel gas passageway, the first oxidant channel, described combustible powder passage and the second oxidant
The outer wall of passage is water-cooling wall；
Wherein, N is the integer more than 1.
Preferably, the outer wall inner surface at described combustible powder passage is also wrapped on ceramic coating.
Preferably, the M being distributed along same even circumferential it is provided with in described combustible powder passage individual flammable
Powder conveying pipe；Wherein, M is the integer more than or equal to 1.
Preferably, described combustible powder conveying pipe is straight tube.
Preferably, described ignition burner to the span of the radial distance r of pilot jet is:
1.5D1≤r≤3D1；Wherein, D1Pipe diameter for ignition burner.
Preferably, the bottom at described fuel gas passageway and the first oxidant channel is additionally provided with bubbler.
Preferably, the outer wall outer surface at described fuel gas passageway is additionally provided with the first cooling jacket,
The outer wall outer surface of one oxidant channel is additionally provided with the second cooling jacket, outside the second oxidant channel
Wall outer surface is additionally provided with the 3rd cooling jacket.
Preferably, the upper end at described fuel gas passageway is provided with flame monitor.
Preferably, described burner also includes mounting flange；Described mounting flange includes: body of heater is installed
Flange, ignition burner mounting flange, pilot jet mounting flange.
Preferably, 3≤N≤9.
Modular multijet combustible powder burner of the present utility model, including: ignition burner, multiple
Pilot jet, body of heater.Pilot jet is fixed on outside ignition burner, and week centered by ignition burner
All it is connected with body of heater to the bottom of distribution, ignition burner and pilot jet.Described ignition burner includes:
Fuel gas passageway, the first oxidant channel；Wherein, it is provided with in described fuel gas passageway movably
Igniter；Described pilot jet includes: combustible powder passage, the second oxidant channel.This practicality
The novel workload by arranging multiple pilot jet adjustable combustion device；By arranging movably
Igniter, can be withdrawn from after lighting ignition burner, so that igniter is damaged from ablation
Evil.
Accompanying drawing explanation
By the detailed description of the invention part provided referring to the drawings, feature of the present utility model and excellent
Point will become better understood by, in the accompanying drawings:
Fig. 1 is the sectional view of combustor portion separation structure in this utility model；
1, ignition burner；2, pilot jet；3, igniter；4, bubbler；5, cyclone；6、
Body of heater mounting flange；7, ignition burner mounting flange；8, pilot jet mounting flange；101, combustion
Material gas passage；102, the first oxidant channel；201, combustible powder passage；202, the second oxidant
Passage；203, ceramic coating.
Detailed description of the invention
With reference to the accompanying drawings illustrative embodiments of the present utility model is described in detail.To exemplary
The description of embodiment is merely for the sake of demonstration purpose, and is definitely not this utility model and application thereof or use
The restriction of method.
The defect existed for gas burner equipment in prior art, present inventor proposes one
Plant the solution of modular multijet combustible powder burner.Main thought of the present utility model is, logical
Cross and pilot jet is arranged on the circumference centered by ignition burner so that the structure of burner is more
Compact, and can be by controlling the workload of the quantity regulating burner of the pilot jet of work.This
Outward, this utility model, can be by it after lighting ignition burner by arranging moveable igniter
Withdraw from, so that igniter is damaged from ablation.
1 describe the technical solution of the utility model in detail below in conjunction with the accompanying drawings.It can be seen from figure 1 that this reality
Include with the burner in new embodiment: ignition burner 1, N number of pilot jet 2, body of heater (figure
Not shown in).Wherein, N number of pilot jet 2 is fixed on the outside of ignition burner 1, and with igniting
Centered by nozzle 1 circumferentially distributed；The bottom of ignition burner 1 and N number of pilot jet 2 all with described stove
Body is connected.Wherein, N is the integer more than 1.In the specific implementation, of N preferably value
Scope is: 3≤N≤9.The work of burner can be born by this utility model by arranging multiple pilot jet
Lotus is adjusted.Additionally, circumferentially arranged for the multiple pilot jets structure making burner is more stepped up
Gather.Further, ignition burner to the preferred span of the radial distance r of pilot jet is:
1.5D1≤r≤3D1.Wherein, D1Pipe diameter for ignition burner.When r is positioned at above-mentioned scope, can
Ensure that ignition burner and pilot jet are outwards dispelled the heat by reserved interval, can guarantee that again ignition burner point
Combustible powder is fully lighted by the flame that fire is formed, the most beneficially ignition burner smooth ignition.
Ignition burner 1 includes: the fuel gas passageway 101, first set gradually the most outward aoxidizes
Agent passage 102.Concrete, fuel gas passageway 101 is positioned at the center of ignition burner 1, the first oxidation
Agent passage 102 is positioned at the outside of fuel gas passageway 101, and fuel gas passageway the 101, first oxidant leads to
The outer wall in road is water-cooling wall.Further, fuel gas passageway the 101, first oxidant channel 102 is upper
End is provided with cover plate, and the lower end of fuel gas passageway the 101, first oxidant channel 102 connects with body of heater.
Additionally, be provided with moveable igniter 3 inside fuel gas passageway 101.Removable by arranging
Igniter, after lighting fuel gas, igniter can be removed rapidly from fuel gas passageway
Go out, so that igniter avoids high temperature ablation infringement.It is also preferred that the left in the upper end of fuel gas passageway 101
It is provided with flame monitor.By arranging flame monitor, the flame power in burner can be carried out
Monitoring.
In the specific implementation, fuel gas is entered by fuel gas passageway 101 upper end, and sprays from its lower end
Go out；Oxidant is entered by the first oxidant channel 103 upper end, and sprays from its lower end.It is also preferred that the left
It is additionally provided with bubbler 4 in the bottom of fuel gas passageway 101 and the first oxidant channel.By arranging expansion
Dissipate the mixing of device 4, beneficially fuel gas and oxidant.After fuel gas mixes with oxidant, then warp
Igniter 3 lights formation flame.After the flame stabilization that nozzle to be fired produces, can be by igniter
3 withdraw from.
Pilot jet 2 includes: combustible powder passage the 201, second oxygen set gradually the most outward
Agent passage 202.Concrete, combustible powder passage 201 is positioned at the center of pilot jet 2,
Second oxidant channel 202 is positioned at the outside of combustible powder passage 201, combustible powder passage 201,
The outer wall of the second oxidant channel 202 is water-cooling wall.It is also preferred that the left at combustible powder passage 201
Outer wall inner surface is also wrapped on ceramic coating, to strengthen the wearability of tube wall.Further, combustible powder leads to
The upper end of road the 201, second oxidant channel 202 is equipped with cover plate, combustible powder passage 201,
The lower end of dioxy agent passage 202 all connects with body of heater.Additionally, at the second oxidant channel 202
Bottom is additionally provided with cyclone 5, to accelerate the mixing of combustible powder and oxidant.
It is also preferred that the left be provided with in combustible powder passage 201 M along same even circumferential be distributed can
Combustion powder conveying pipe.Wherein, M is the integer more than or equal to 1, and a preferred span of M is
2≤M≤6.By arranging multiple combustible powder conveying pipe, can by work is increased or decreased
The quantity of combustion powder conveying pipe realizes combustible powder conveying capacity is fine-tuned, and is conducive to work negative
The regulation that becomes more meticulous of lotus.Further, preferred scope more than the quantity of combustible powder conveying pipe meets
Time, the mixing of the oxidant of combustible powder and the conveying of the second oxidant channel is the most abundant.Wherein, may be used
Combustion powder conveying pipe can be selected for straight tube, and the caliber of described straight tube can enter according to the power of pilot jet
Row is selected.By selecting straight tube structure, be conducive to reducing combustible powder resistance in course of conveying.
Further, when the pipe diameter size of straight tube is chosen suitable, the transporting velocity of combustible powder can be reduced further,
Reduce the combustible powder abrasion to burner.In the specific implementation, combustible powder is from combustible powder passage
201 upper ends enter, and spray from its lower end；Oxidant enters through the second oxidant channel 201 upper end,
And spray from its lower end.Lead to from the second oxidant from the combustible powder of combustible powder passage lower end ejection
The oxidant of road ejection mixes rapidly, and the then flame ignition of the ignited nozzle of this mixture forms fire
Flame.
In the present embodiment, it is also preferred that the left be additionally provided with first at the outer wall outer surface of described fuel gas passageway
Cooling jacket, the outer wall outer surface at the first oxidant channel is additionally provided with the second cooling jacket, second
The outer wall outer surface of oxidant channel is additionally provided with the 3rd cooling jacket.By arranging the first to the 3rd cooling
Chuck, can reduce the body of heater fuel combustion heat release damage to burner, and then extend burner
Service life.
In the present embodiment, it is also preferred that the left burner also includes mounting flange.Mounting flange specifically includes:
Body of heater mounting flange 6, ignition burner mounting flange 7, pilot jet mounting flange 8.In the present embodiment,
By arranging mounting flange, ignition burner, pilot jet are fixed so that the structure of burner is more
Add compact.And, when burner needs repairing, the parts needed repairing individually can be dismantled, singly
Solely maintenance, thus decrease the impact on miscellaneous part.
Although this utility model being described with reference to illustrative embodiments, but it is to be understood that this
Utility model is not limited in literary composition the detailed description of the invention describing in detail and illustrating, is wanting without departing from right
In the case of seeking book limited range, described illustrative embodiments can be done by those skilled in the art
Go out various change.
Claims (10)
1. a modular multijet combustible powder burner, it is characterised in that described burner bag
Include: ignition burner, N number of pilot jet, body of heater；Described N number of pilot jet is fixed on described igniting
Outside nozzle and circumferentially distributed centered by described ignition burner；Described ignition burner and described N number of
The bottom of pilot jet is connected with described body of heater；
Described ignition burner includes: the fuel gas passageway that sets gradually the most outward, the first oxidant
Passage；Further, in described fuel gas passageway, moveable igniter it is provided with；
Described pilot jet includes: the combustible powder passage that sets gradually the most outward, the second oxidation
Agent passage；Further, the bottom at the second oxidant channel is provided with cyclone；
Described fuel gas passageway, the first oxidant channel, described combustible powder passage and the second oxidant
The outer wall of passage is water-cooling wall；
Wherein, N is the integer more than 1.
2. burner as claimed in claim 1, it is characterised in that at described combustible powder passage
Outer wall inner surface be also wrapped on ceramic coating.
3. burner as claimed in claim 1, it is characterised in that in described combustible powder passage
It is provided with M the combustible powder conveying pipe being distributed along same even circumferential；
Wherein, M is the integer more than or equal to 1.
4. burner as claimed in claim 3, it is characterised in that described combustible powder conveying pipe
For straight tube.
5. burner as claimed in claim 1, it is characterised in that described ignition burner is to auxiliary
The span of the radial distance r of nozzle is: 1.5D1≤r≤3D1；
Wherein, D1Pipe diameter for ignition burner.
6. the burner as described in claim 1-5 is arbitrary, it is characterised in that lead at described fuel gas
The bottom of road and the first oxidant channel is additionally provided with bubbler.
7. burner as claimed in claim 6, it is characterised in that at described fuel gas passageway
Outer wall outer surface is additionally provided with the first cooling jacket, and the outer wall outer surface at the first oxidant channel is additionally provided with
Second cooling jacket, the outer wall outer surface at the second oxidant channel is additionally provided with the 3rd cooling jacket.
8. burner as claimed in claim 7, it is characterised in that at described fuel gas passageway
Upper end is provided with flame monitor.
9. burner as claimed in claim 8, it is characterised in that described burner also includes peace
Dress flange；
Described mounting flange includes: body of heater mounting flange, ignition burner mounting flange, pilot jet are pacified
Dress flange.
10. burner as claimed in claim 9, it is characterised in that
3≤N≤9。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620466651.4U CN205782895U (en) | 2016-05-20 | 2016-05-20 | A kind of modular multijet combustible powder burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620466651.4U CN205782895U (en) | 2016-05-20 | 2016-05-20 | A kind of modular multijet combustible powder burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205782895U true CN205782895U (en) | 2016-12-07 |
Family
ID=58118328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620466651.4U Expired - Fee Related CN205782895U (en) | 2016-05-20 | 2016-05-20 | A kind of modular multijet combustible powder burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205782895U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864756A (en) * | 2016-05-20 | 2016-08-17 | 哈尔滨华氏海德科技发展有限公司 | Combined multi-nozzle burner for combustible powder |
-
2016
- 2016-05-20 CN CN201620466651.4U patent/CN205782895U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864756A (en) * | 2016-05-20 | 2016-08-17 | 哈尔滨华氏海德科技发展有限公司 | Combined multi-nozzle burner for combustible powder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170814 Address after: 150036 Xiangyang Village, Xiangyang Town, Xiangfang District, Heilongjiang, Harbin Patentee after: Heilongjiang Hua Hua Industrial Technology Co., Ltd. Address before: 505, room 2, building 719, 150000, science first street, Songbei science and technology innovation town, Heilongjiang, Harbin Patentee before: Fahrenheit sea, Harbin Deco skill Development Co., Ltd |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20210520 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |