CN205979801U - Quick many fuel combustor that exchanges - Google Patents
Quick many fuel combustor that exchanges Download PDFInfo
- Publication number
- CN205979801U CN205979801U CN201620973578.XU CN201620973578U CN205979801U CN 205979801 U CN205979801 U CN 205979801U CN 201620973578 U CN201620973578 U CN 201620973578U CN 205979801 U CN205979801 U CN 205979801U
- Authority
- CN
- China
- Prior art keywords
- blunt
- entrance point
- stable burning
- cavity
- slotted blunt
- 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model relates to a quick many fuel combustor that exchanges, including ventilating duct, supply of fuel system, surely fire chamber, acceleration nozzle and whirl generating device, whirl generating device's the exit end and the entrance point fastening connection of ventilating duct, the exit end of ventilating duct with surely fire the entrance point fastening connection in chamber, surely fire the exit end in chamber and acceleration nozzle's entrance point fastening connection, the supply of fuel system includes wind tube cell, gas annular channel and gas fuel oil channel, it is outside that the wind tube cell is located to gas annular channel ring, and it is outside that gas annular channel is located to gas fuel oil channel ring, be provided with the blunt body that cracks surely firing the chamber entrance point, the blunt internal portion of cracking is provided with the blunt body cavity body that cracks, and the wind tube cell passes and cracks the blunt body and leave annular gap with the blunt body that cracks, gas annular channel is through annular gap and surely fire chamber intercommunication, gas fuel oil channel personally experiences sth. Part of the body and surely fires the chamber intercommunication through the blunt body cavity that cracks.
Description
Technical field
This utility model is related to a kind of burner, particularly to a kind of multi fuel burner of rapid interchangeable.
Background technology
Industrial Boiler has wide range of applications, and boiler type is various, can be divided into gas fired-boiler, oil burning boiler and combustion according to fuel
Coal burning boiler.Existing Industrial Boiler is generally directed to a kind of fuel design, for same boiler, there is according to non-design fuel
The problem that efficiency of combustion is low, pollutant emission is high.And compared with station boiler, the fuel supply of Industrial Boiler is unstable, single
Easily the situation of undercharge, impact commercial production and heating in fuel.
Content of the invention
For problem present in background technology, this utility model purpose be to provide a kind of for pluralities of fuel design
The multi fuel burner of rapid interchangeable.
For achieving the above object, this utility model employs the following technical solutions：A kind of multi fuel burner of rapid interchangeable,
It is characterized in that：It includes ventilating duct, fuel system, stable burning cavity, accelerating jet and whirlwind generator, and described eddy flow is sent out
The port of export of generating apparatus is fastenedly connected with the entrance point of described ventilating duct, and the port of export of described ventilating duct is entered with described stable burning cavity
Mouth end is fastenedly connected, and the port of export of described stable burning cavity is fastenedly connected with the entrance point of described accelerating jet；Described fuel supply system
System includes wind powder pipe, combustion gas circular passage and gas fuel passage；Described combustion gas circular passage is located on outside described wind powder pipe,
Described gas fuel passage is located on outside described combustion gas circular passage；Described stable burning cavity entrance point is provided with slotted blunt,
Described slotted blunt is internally provided with slotted blunt cavity, described wind powder pipe pass through described slotted blunt and with described slotted blunt
Leave annular gap；Described combustion gas circular passage is connected with described stable burning cavity by described annular gap；Described gas fuel leads to
Road is connected with described stable burning cavity by described slotted blunt cavity.
Slotted blunt blade or slotted blunt combustion that the lee face setting of described slotted blunt is connected with slotted blunt cavity
Material hole.
The port of export of described wind powder pipe is provided with backflow cap.
Described accelerating jet adopts tapered taper barrel structure, and described taper barrel structure passes through flange string by multiple contracting cones
Connection is formed by connecting.
Described stable burning cavity adopts the taper barrel structure of cylindrical structure or flaring.
Described whirlwind generator adopts tangential blade rotational flow generator or scroll casing type rotational flow generator.
A diameter of 50mm～300mm of described combustion gas circular passage.
The aperture of described slotted blunt teasehole is 0.01mm～2mm.
The port of export of described wind powder pipe is placed in the intersection of the described stable burning cavity port of export and described accelerating jet entrance point.
Due to taking above technical scheme, it has advantages below to this utility model：1st, fuel supply in this utility model
System is made up of combustion gas circular passage, gas fuel passage and three parts of wind powder pipe, therefore can be adopted according to different fuel
Different feeding-passages, improves the efficiency of combustion of Industrial Boiler, reduces pollutant emission.2nd, wind powder pipe, combustion in this utility model
Gas ring shape passage, gas fuel passage three adopt nesting type structure, reduce the volume and weight of burner, are easy to ship.
3rd, in this utility model, accelerating jet is connected in series by contracting cone, therefore can change contracting cone number according to fuel characteristic, just
The jet velocity of prompt control fuel, make different fuel all can high-efficiency cleaning burning.4th, this utility model is directed to hydrogen in combustion gas
The difference of Gas content, difference adopts combustion gas circular passage and gas fuel passage, maximizes the utilization rate of combustion gas.5th, this practicality is new
High pressure fuel nebulizer in type makes fuel-oil atmozation disperse to spray into stable burning cavity, maximizes the contact surface of fuel oil and stable burning cavity flame
Long-pending, accelerate burning velocity.6th, wind powder pipe of the present utility model is placed in stable burning cavity, and the coal dust inversely spraying into stable burning cavity passes through
The preheating of stable burning cavity, accelerates burning velocity hence into the coal dust after stable burning cavity.
Brief description
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 adopts structural representation during slotted blunt blade for this utility model；
Fig. 3 adopts structural representation during slotted blunt teasehole for this utility model；
Fig. 4 is this utility model tapered accelerating jet fractionation structural representation of contracting；
Fig. 5 is this utility model contracting taper accelerating jet flange connection schematic diagram.
Specific embodiment
With reference to the accompanying drawings and examples this utility model is described in detail.
As shown in figure 1, this utility model includes ventilating duct 1, fuel system, stable burning cavity 2, accelerating jet 3 and eddy flow
Generating meanss 4.The entrance point of ventilating duct 1 is fastenedly connected with the port of export of whirlwind generator 4, the port of export of ventilating duct 1 with steady
The entrance point in combustion chamber 2 is fastenedly connected, and the port of export of stable burning cavity 2 is fastenedly connected with the entrance point of accelerating jet 3.Fuel system
Including wind powder pipe 5, combustion gas circular passage 6 and gas fuel passage 7, wherein, combustion gas circular passage 6 ring is located at the outer of wind powder pipe 5
Portion, gas fuel passage 7 ring is located at the outside of combustion gas circular passage 6.It is provided with the entrance point center of stable burning cavity 2 and crack
Bluff body 8, is internally provided with slotted blunt cavity 9 in slotted blunt 8.Wind powder pipe 5 passes through and blunt with cracking from slotted blunt 8
Body 8 leaves annular gap, and the port of export of wind powder pipe 5 is placed in the junction of the port of export of stable burning cavity 2 and the entrance point of accelerating jet；
Combustion gas circular passage 6 is connected with stable burning cavity 2 by annular gap；Gas fuel passage 7 passes through slotted blunt cavity 9 and stable burning cavity
2 connections.
In above-described embodiment, stable burning cavity 2 can be using the taper barrel structure of cylindrical structure or flaring.
In above-described embodiment, whirlwind generator 4 can adopt tangential blade rotational flow generator or scroll casing type rotational flow generator.
In above-described embodiment, the port of export of wind powder pipe 5 is provided with backflow cap, for coal dust inversely being sprayed into steady flame chamber 2
In.
In above-described embodiment, the diameter control of combustion gas circular passage 6 is in 50mm～300mm.
In above-described embodiment, such as Fig. 2, shown in Fig. 3, connect with slotted blunt cavity 9 in the lee face setting of slotted blunt 8
Slotted blunt blade 12 or slotted blunt teasehole 13.
In above-described embodiment, slotted blunt blade 12 swirling number is 0.1～0.6, and the aperture of slotted blunt teasehole 13 is
0.01mm～2mm.
In above-described embodiment, as shown in Figure 4,5, accelerating jet 3 adopts tapered taper barrel structure, and taper barrel structure is by many
Individual contracting cone 14 is connected in series, between the port of export of each contracting cone 14 and the entrance point of next contracting cone 14 by flange even
Connect；Property for different fuel assembles and disassembles contracting cone 14, easily changes the length of accelerating jet 3, controls the injection speed of fuel
Degree, makes different fuel be able to the burning of high-efficiency cleaning.
Operation principle of the present utility model is as follows：
Outside combustion-supporting gas passes through strong rotation generating meanss 4 and ventilating duct 1, bypass slotted blunt 8 formed in stable burning cavity 2 by
What eddy flow produced has the recirculating zone of the nested no tangential velocity being produced by slotted blunt 8 in recirculating zone of tangential velocity.Two backflows
Area border turbulence intensity is larger, and efficiency of combustion is higher, and there are hypoxia, high temperature and high fuel concentration in the high temperature recirculation zone of this nested
The features such as, there is the effect of low nitrogen.
This utility model is all applicable to combustion gas, fuel oil, Pulverized Coal, and for different fuel, we select different chargings
Passage.Different according to hydrogen content in combustion gas, hydrogen content is higher than 10% combustion gas, is more than surely by combustion gas circular passage 6
The speed of combustion chamber 2 internal high temperature backflow flue gas sprays into stable burning cavity 2, is mixed to form main flame with the air of ventilating duct 1 port of export；Hydrogen
The combustion gas that Gas content is less than 10% enters from gas fuel passage, through slotted blunt cavity 9, by slotted blunt blade 12 or crack
Bluff body teasehole 13 sprays into stable burning cavity 2, is mixed to form main flame with the air of ventilating duct 1 port of export.
Fuel oil is entered by gas fuel passage 7, the pressure being formed in slotted blunt cavity 9 and slotted blunt teasehole 13
In the presence of the high pressure fuel nebulizer of 3Kg～20Kg/cm, high speed atomisation dispersion sprays into stable burning cavity 2, with ventilating duct 1 port of export
Air be mixed to form main flame.
First air carries coal dust and enters stable burning cavity 2 through wind powder pipe 5 against spirt, is mixed to form with the air of ventilating duct 1 port of export
Main flame.
This utility model is only illustrated with above-described embodiment, and the structure of each part, set location and its connection are all can
Be varied from, on the basis of technical solutions of the utility model, all according to this utility model principle, individual part is carried out
Improvement and equivalents, all should not exclude outside protection domain of the present utility model.
Claims (9)
1. a kind of rapid interchangeable multi fuel burner it is characterised in that：It include ventilating duct, fuel system, stable burning cavity,
Accelerating jet and whirlwind generator, the port of export of described whirlwind generator is fastenedly connected with the entrance point of described ventilating duct,
The port of export of described ventilating duct is fastenedly connected with the entrance point of described stable burning cavity, and the port of export of described stable burning cavity accelerates spray with described
The entrance point of mouth is fastenedly connected；Described fuel system includes wind powder pipe, combustion gas circular passage and gas fuel passage；Described
Combustion gas circular passage is located on outside described wind powder pipe, and described gas fuel passage is located on outside described combustion gas circular passage；
Described stable burning cavity entrance point is provided with slotted blunt, described slotted blunt is internally provided with slotted blunt cavity, described wind powder
Pipe leaves annular gap through described slotted blunt and with described slotted blunt；Described combustion gas circular passage is passed through between described annular
Gap is connected with described stable burning cavity；Described gas fuel passage is connected with described stable burning cavity by described slotted blunt cavity.
2. rapid interchangeable as claimed in claim 1 multi fuel burner it is characterised in that：The lee face of described slotted blunt
The slotted blunt blade being connected with slotted blunt cavity or slotted blunt teasehole are set.
3. rapid interchangeable as claimed in claim 1 multi fuel burner it is characterised in that：The port of export in described wind powder pipe
It is provided with backflow cap.
4. rapid interchangeable as claimed in claim 1 multi fuel burner it is characterised in that：Described accelerating jet adopts tapered
Taper barrel structure, described taper barrel structure is connected in series by flange by multiple contracting cones.
5. rapid interchangeable as claimed in claim 1 multi fuel burner it is characterised in that：Described stable burning cavity adopts cylinder to tie
The taper barrel structure of structure or flaring.
6. rapid interchangeable as claimed in claim 1 multi fuel burner it is characterised in that：Described whirlwind generator adopts
Tangential blade rotational flow generator or scroll casing type rotational flow generator.
7. rapid interchangeable as claimed in claim 1 multi fuel burner it is characterised in that：Described combustion gas circular passage straight
Footpath is 50mm～300mm.
8. rapid interchangeable as claimed in claim 2 multi fuel burner it is characterised in that：Described slotted blunt teasehole
Aperture is 0.01mm～2mm.
9. rapid interchangeable as claimed in claim 1 multi fuel burner it is characterised in that：The port of export of described wind powder pipe is put
Intersection in the described stable burning cavity port of export and described accelerating jet entrance point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620973578.XU CN205979801U (en) | 2016-08-29 | 2016-08-29 | Quick many fuel combustor that exchanges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620973578.XU CN205979801U (en) | 2016-08-29 | 2016-08-29 | Quick many fuel combustor that exchanges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205979801U true CN205979801U (en) | 2017-02-22 |
Family
ID=58037222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620973578.XU Withdrawn - After Issue CN205979801U (en) | 2016-08-29 | 2016-08-29 | Quick many fuel combustor that exchanges |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205979801U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247338A (en) * | 2016-08-29 | 2016-12-21 | 煤科院节能技术有限公司 | A kind of multi fuel burner of rapid interchangeable |
-
2016
- 2016-08-29 CN CN201620973578.XU patent/CN205979801U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247338A (en) * | 2016-08-29 | 2016-12-21 | 煤科院节能技术有限公司 | A kind of multi fuel burner of rapid interchangeable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205137451U (en) | Force to draw low NOx gas combustion ware of penetrating flue gas backward flow | |
| CN207019063U (en) | A kind of low heat value/low-pressure gas burner | |
| CN107575864B (en) | Linear low-nitrogen gas combustion head | |
| CN106402905A (en) | Staged-combustion torch head device | |
| CN103836624A (en) | High-efficiency combined torch head | |
| WO2014110996A1 (en) | Ignition combustor for supporting combustion with pure oxygen | |
| CN205979801U (en) | Quick many fuel combustor that exchanges | |
| CN106247338B (en) | A kind of multi fuel burner of rapid interchangeable | |
| CN206786717U (en) | A kind of two-chamber combustion gas low nitrogen burning machine | |
| CN103007724A (en) | Swirl type denitration ejector of circulating fluidized bed | |
| CN202813440U (en) | Combustion chamber of small-sized turbine jet engine | |
| CN204313313U (en) | Gas-turbine combustion chamber nozzle | |
| CN207378815U (en) | A kind of linear low nitrogen gas burner | |
| CN115143459A (en) | Injection premixing smoke internal circulation low-nitrogen combustor | |
| CN201233008Y (en) | Coal powder burner | |
| CN210004388U (en) | kinds of low-nitrogen burner | |
| CN204438188U (en) | Gas-turbine combustion chamber nozzle | |
| CN207648786U (en) | A kind of coal burner | |
| CN208332262U (en) | Low nitrogen burner | |
| CN207006157U (en) | Boiler low NO for oil field production | |
| CN207006156U (en) | New-type boiler burner for oil field production | |
| CN106196042B (en) | A kind of strong swirl jet burner | |
| CN104501207A (en) | Nozzle of gas turbine combustor | |
| CN206094062U (en) | Strong efflux combustor that revolves | |
| CN114935144B (en) | Rotational flow oxygen-enriched combustor with smoke circulation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170222 Effective date of abandoning: 20180525 |
|
| AV01 | Patent right actively abandoned |