CN206280968U - One kind is applied to cylindrical high-power static surface burner head gas pipe - Google Patents
One kind is applied to cylindrical high-power static surface burner head gas pipe Download PDFInfo
- Publication number
- CN206280968U CN206280968U CN201621265004.3U CN201621265004U CN206280968U CN 206280968 U CN206280968 U CN 206280968U CN 201621265004 U CN201621265004 U CN 201621265004U CN 206280968 U CN206280968 U CN 206280968U
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- CN
- China
- Prior art keywords
- burner head
- flow deflector
- cylindrical
- flow
- gaseous mixture
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- 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- Withdrawn - After Issue
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Abstract
The utility model belongs to full premix static surface Combustion Technology field, specifically disclose one kind and be applied to cylindrical high-power static surface burner head gas pipe, including cylindrical burner head, and the combustion front collet being used in combination with cylindrical burner head, and it is arranged on the gaseous mixture air inlet pipe under cylindrical burner head side, and be arranged on cylindrical burner head, combustion front collet and constitute several flow deflectors being used in combination in cavity and with gaseous mixture air inlet pipe.The beneficial effects of the utility model are：Its design structure is reasonable, on the one hand fluid motion rule following current is made full use of to be designed, other structures need not be increased, on the other hand the N layers of flow deflector structure that several flow deflectors are constituted is along burner head axis direction etc. point distribution, can eliminate through the slot effect produced by pipe flow speed distribution amendment during fluid motion, with good error correction (calculation error, machining deviation) ability and self adaptation (power adjusting) ability.
Description
Technical field
The utility model belongs to full premix static surface Combustion Technology field, and in particular to one kind is applied to cylinder
High-power static surface burner head gas pipe.
Background technology
The full premix static surface burning of fuel gas, high combustion efficiency, CO and NOx emission are low, with significant energy-conservation
Emission reduction feature, and burner head is sent to for static surface combustion system, after air and combustion gas mixing, can mixed gas equal
Be distributed on combustion front, the generation of efficiency of combustion, CO and NOx very big on fired state influence evenly, and combustion front use
Life-span can all be influenceed by this factor, wherein, influenceing the principal element of uniform air distribution has：1st, Static implicit method, refers mainly to combustion front
Size and combustion front aspect ratio, combustion front is bigger or combustion front aspect ratio is bigger, and gas distribution difficulty is bigger, when combustion front area
In 0.02M2More than, or aspect ratio more than 1.2, gas possibility pockety substantially increases, and skewness is to combustion
The influence of burning state can not ignore.2nd, dynamic factor, refers mainly to power adjusting, and static surface combustion system has larger work(
Rate adjusts space, and unit calorific intensity can be in 100KW/M2To 4000KW/M2Between smooth adjustment, its advantage is fully to adapt to industry
The dynamic requirements to combustion power are equipped, and the problem brought thereupon is burner head gas in pressure, Flow-rate adjustment
Body distribution characteristics can be changed.3rd, shape factor, refers mainly to the shape of combustion front, combustion front of different shapes, even gas distribution
Difficulty it is widely different, the gas distribution scheme that need to be taken also has larger difference, and current combustion device head is common following several forms：
1. the circle of plane or directrix plane, rectangle and annular, 2. cylindrical (column outer wall is combustion front), and 3. tubular (inside pipe wall is burning
Face), it is 4. spherical, 5. combine shape.
In sum, simple, effective, reliable gas pipe, centering, the design of high-power combustion system and production are extremely closed
Key, and this is current urgently to be resolved hurrily.
Therefore, based on above mentioned problem, the utility model provides one kind and is applied to cylindrical high-power static surface burner
Head gas pipe.
Utility model content
Utility model purpose：The purpose of this utility model is to provide one kind and is applied to cylindrical high-power static surface burning
Device head gas pipe, its design structure rationally, on the one hand makes full use of fluid motion rule following current to be designed, without increasing it
Its structure, the N layers of flow deflector structure that on the other hand several flow deflectors are constituted is distributed along burner head axis direction etc. point,
Can eliminate during fluid motion through the slot effect produced by pipe flow speed distribution amendment, with good error correction (calculation error,
Machining deviation) ability and self adaptation (power adjusting) ability.
Technical scheme：The utility model provides one kind and is applied to cylindrical high-power static surface burner head gas distribution
Device, including cylindrical burner head, and the combustion front collet being used in combination with cylindrical burner head, and it is arranged on circle
Gaseous mixture air inlet pipe under column-shaped combustor head side, and be arranged on cylindrical burner head, combustion front collet and constituted
Several flow deflectors being used in combination in cavity and with gaseous mixture air inlet pipe, wherein, water conservancy diversion chip size is along gaseous mixture air inlet pipe
Successively decrease successively in direction.
The technical program, the flow deflector be band back-up ring turnup structure, and several flow deflectors back-up ring turnup structure
Point is contacted between combustion front collet respectively.
The technical program, the N layers of flow deflector structure that described several flow deflectors are constituted is along burner head axis side
To point distribution is waited, guiding gaseous mixture turns to 90 ° to burning EDS maps；Wherein, if every flow deflector internal diameter is Di, the face of correspondence circle
Product is Si, then SiAfter through pipe flow speed distribution amendment, slot effect amendment, following relationship should be met：SN=S0-S1=Si-1-Si=
S/N, S in formula0It is the area of D correspondence circles.
The technical program, the cylindrical burner head decile, every section of setting flow deflector, flow deflector in the axial direction
Starting is rectified to gaseous mixture Way in, >=straight section the pipeline of 4D is provided with before ground floor flow deflector, to ensure to enter flow deflector
Air pressure and flow velocity are uniformly distributed on pipeline section before, and i-th layer of flow deflector and the i-th -1 layer flow deflector are in burner head axis
Direction overlap length Lo >=Di-1-Di, wherein, flow deflector is protected to the back-up ring turnup structure in combustion front direction between combustion front collet
Hold radial distance T, T and be more than zero.
Compared with prior art, one kind of the present utility model is applied to cylindrical high-power static surface burner head cloth
The beneficial effect of gas device is：Its design structure rationally, on the one hand makes full use of fluid motion rule following current to be designed, without
Increase other structures, the N layers of flow deflector structure that on the other hand several flow deflectors are constituted is along burner head axis direction etc.
Point distribution, can eliminate through the slot effect produced by pipe flow speed distribution amendment during fluid motion, with good error correction (meter
Calculate error, machining deviation) ability and self adaptation (power adjusting) ability.
Brief description of the drawings
Fig. 1 is a kind of structure for being applied to cylindrical high-power static surface burner head gas pipe of the present utility model
Schematic diagram；
Wherein, sequence number mark is as follows in figure：1- cylindrical burners head, 2- combustion fronts collet, 3- gaseous mixtures air inlet pipe,
4- flow deflectors.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the utility model is further elucidated.
Embodiment
One kind as shown in Figure 1 is applied to cylindrical high-power static surface burner head gas pipe, including cylinder
Burner head 1, and the combustion front collet 2 being used in combination with cylindrical burner head 1, and it is arranged on cylindrical burner
Gaseous mixture air inlet pipe 3 under the side of head 1, and be arranged on cylindrical burner head 1, combustion front collet 2 and constitute in cavity
And several flow deflectors 4 being used in combination with gaseous mixture air inlet pipe 3, wherein, the size of flow deflector 4 is along the side of gaseous mixture air inlet pipe 3
To successively decreasing successively.
It is further preferred that flow deflector 4 is band back-up ring turnup structure, and the back-up ring turnup structure of several flow deflectors 4 divides
Point is contacted not between combustion front collet 2；And the N layers of flow deflector structure that several flow deflectors 4 are constituted is along burner head axle
Line direction etc. point distribution, guiding gaseous mixture turns to 90 ° to burning EDS maps, wherein, if every flow deflector internal diameter is Di, correspondence circle
Area be Si, then SiAfter through pipe flow speed distribution amendment, slot effect amendment, following relationship should be met：SN=S0-S1=Si-1-
Si=S/N, S in formula0It is the area of D correspondence circles；And cylindrical burner head 1 decile, every section of setting flow deflector in the axial direction
4, the starting of flow deflector 4 is rectified to gaseous mixture Way in, >=straight section the pipeline of 4D is provided with before ground floor flow deflector 4, to ensure
Air pressure and flow velocity are uniformly distributed on pipeline section before into flow deflector 4, and i-th layer of flow deflector 4 and the i-th -1 layer flow deflector 4 exist
Burner head axis direction overlap length Lo >=Di-1-Di, wherein, back-up ring turnup structure from flow deflector 4 to combustion front direction,
Radial distance T, T are kept between combustion front collet more than zero, the high-power static surface burner head gas pipe of said structure,
Fluid motion rule following current can be made full use of to be designed, without increasing other structures, and N layers that several flow deflectors are constituted
Flow deflector structure can be eliminated be distributed through pipe flow speed during fluid motion and corrected along burner head axis direction etc. point distribution
Produced slot effect, with good error correction (calculation error, machining deviation) ability and self adaptation (power adjusting) ability.
Specifically, as a example by cylindrical burner head as shown in Figure 1, cylindrical burner gaseous mixture is generally from burner
The side of head is accessed, by cylindrical burner head decile, every section of setting flow deflector, the initiating terminal of flow deflector 4 in the axial direction
Just to gaseous mixture Way in, there should be >=straight section the pipeline of 4D before ground floor flow deflector, to ensure gas before entering flow deflector 4
Pressure and flow velocity are uniformly distributed on pipeline section；I-th layer of flow deflector 4 and the i-th -1 layer flow deflector 4 are in burner head axis direction
Overlap length Lo >=Di-1-Di；Flow deflector 4 keeps radial distance T, T big to combustion front direction flange between combustion front collet
Taken with combustion front backing in zero or flow deflector and a little contacted, it is to reduce the heat that combustion front is transmitted but also unsuitable excessive, to reduce
The turbulent flow that gaseous mixture is formed in T areas.
The high-power static surface burner head gas pipe of this structure, applies also for tubular or gaseous mixture entry position and exists
The burner head of burning side.
The above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvement can also be made, these improvement also should be regarded as
Protection domain of the present utility model.
Claims (4)
1. one kind is applied to cylindrical high-power static surface burner head gas pipe, it is characterised in that：Fired including cylinder
Burner head (1), and the combustion front collet (2) being used in combination with cylindrical burner head (1), and it is arranged on cylindrical combustion
Gaseous mixture air inlet pipe (3) under burner head (1) side, and it is arranged on cylindrical burner head (1), combustion front collet (2)
Several flow deflectors (4) being used in combination in constituted cavity and with gaseous mixture air inlet pipe (3), wherein, flow deflector (4) size
Successively decrease successively along gaseous mixture air inlet pipe (3) direction.
2. one kind according to claim 1 is applied to cylindrical high-power static surface burner head gas pipe, and it is special
Levy and be：The flow deflector (4) be band back-up ring turnup structure, and several flow deflectors (4) back-up ring turnup structure respectively with combustion
Contact is put between burning face collet (2).
3. one kind according to claim 1 is applied to cylindrical high-power static surface burner head gas pipe, and it is special
Levy and be：The N layers of flow deflector structure that described several flow deflectors (4) are constituted is distributed along burner head axis direction etc. point,
Guiding gaseous mixture turns to 90 ° to burning EDS maps；Wherein, if every flow deflector internal diameter is Di, the area of correspondence circle is Si, then Si
After through pipe flow speed distribution amendment, slot effect amendment, following relationship should be met：SN=S0-S1=Si-1-Si=S/N, S in formula0
It is the area of D correspondence circles.
4. one kind according to claim 2 is applied to cylindrical high-power static surface burner head gas pipe, and it is special
Levy and be：The cylindrical burner head (1) decile in the axial direction, every section of setting flow deflector (4), flow deflector (4) starting
Rectify to gaseous mixture Way in, >=straight section the pipeline of 4D is provided with before ground floor flow deflector (4), to ensure to enter flow deflector
(4) air pressure and flow velocity are uniformly distributed on pipeline section before, and i-th layer of flow deflector (4) is with the i-th -1 layer flow deflector (4) in burning
Device head axes direction overlap length Lo >=Di-1-Di, wherein, back-up ring turnup structure from flow deflector (4) to combustion front direction, with
Radial distance T, T is kept to be more than zero between combustion front collet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621265004.3U CN206280968U (en) | 2016-11-24 | 2016-11-24 | One kind is applied to cylindrical high-power static surface burner head gas pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621265004.3U CN206280968U (en) | 2016-11-24 | 2016-11-24 | One kind is applied to cylindrical high-power static surface burner head gas pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206280968U true CN206280968U (en) | 2017-06-27 |
Family
ID=59082689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621265004.3U Withdrawn - After Issue CN206280968U (en) | 2016-11-24 | 2016-11-24 | One kind is applied to cylindrical high-power static surface burner head gas pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206280968U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482108A (en) * | 2016-11-24 | 2017-03-08 | 兴化市紫邦燃器具科技有限公司 | One kind is applied to cylindrical high-power static surface burner head gas pipe |
-
2016
- 2016-11-24 CN CN201621265004.3U patent/CN206280968U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482108A (en) * | 2016-11-24 | 2017-03-08 | 兴化市紫邦燃器具科技有限公司 | One kind is applied to cylindrical high-power static surface burner head gas pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170627 Effective date of abandoning: 20200121 |
|
| AV01 | Patent right actively abandoned |