CN205372551U - Gaseous after burning device of orifice plate formula pipeline - Google Patents
Gaseous after burning device of orifice plate formula pipeline Download PDFInfo
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- CN205372551U CN205372551U CN201620067869.2U CN201620067869U CN205372551U CN 205372551 U CN205372551 U CN 205372551U CN 201620067869 U CN201620067869 U CN 201620067869U CN 205372551 U CN205372551 U CN 205372551U
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Abstract
The utility model provides a gaseous after burning device of orifice plate formula pipeline, the utility model relates to a combustor, which comprises an outer casing, union and gas pipeline, the inside fuel gas inlet pipe that is equipped with of shell body, fuel gas inlet pipe is connected with union one end, the union other end is connected with gas pipeline one end, be equipped with the gas burner on the gas pipeline, the gas pipeline other end is connected with fixed pipe box, the inside whirl board that is equipped with of shell body, and is simple in structure, large application range, can be in high -speed flue gas flow region stable combustion, thereby the distribution of temperature is even and can shorten characteristics such as exhaust -heat boiler entry flue length reduce cost.
Description
Technical field:
This utility model relates to a kind of burner, is specifically related to a kind of orifice-plate type pipeline gas combustion-compensating device.
Background technology:
Waste heat boiler afterburning system can be divided into outer afterburning and interior afterburning according to the position difference of combustor.Its China and foreign countries' afterburning system structure is complicated, invests higher, generally only just can adopt when afterburning amount is very big or user is distinctly claimed；And modal interior afterburning system, generally combustion-compensating device is installed in boiler inlet flue, utilizes its inner space as combustor, utilize the excess enthalpy air in smoke evacuation as combustion air, utilize fuel oil or combustion gas as fuel, therefore also referred to as chimney flue type afterburning system.
At present, on market, the chimney flue type afterburning technology of most main flow is grid afterburner and annular afterburner, and shortcoming to be flue gas flow rate relatively low and flue gas flow field uniformity requirement is higher, easily cause that temperature distributing disproportionation is even, degradation problem under efficiency of combustion, therefore can only be arranged in low speed flue gas district and burn, this layout demand then can extend HRSG Inlet Duct length undoubtedly accordingly, increases its production cost.
Utility model content:
This utility model be for overcome common chimney flue type combustion-compensating device can only be arranged in low speed flue gas district could smooth combustion and the higher defect of stream field uniformity requirement, realize the smooth combustion in high velocity smoke flow region of the afterburning gas, and a kind of orifice-plate type pipeline gas combustion-compensating device is provided, it is easy to use, simple to operate, be prone to large-scale promotion application.
The technical solution adopted in the utility model is: a kind of orifice-plate type pipeline gas combustion-compensating device, including shell body, articulation and gas pipeline, combustion gas inlet pipe it is provided with inside shell body, combustion gas inlet pipe is connected with articulation one end, the articulation other end is connected with gas pipeline one end, gas pipeline is provided with gas nozzle, and the gas pipeline other end is connected with fixing pipe box, is provided with spiral board inside shell body.
The mode reversely driving grooving in the upper and lower region of spiral board provides Tangential Wind；By the mode in monomer spiral board perforate, it is provided that direct current wind；Combustion air ratio according to Tangential Wind with the different adjustment 1:2 of the perforated area of direct current wind.
Can pass through to increase or reduce the fuel quantity of the single orifice-plate type pipeline gas burner of standard gas nozzle quantity regulating in the middle part of spiral board.
The beneficial effects of the utility model are: have simple in construction, the scope of application big, can smooth combustion in high velocity smoke flow region, uniformity of temperature profile and HRSG Inlet Duct length can be shortened thus reducing the features such as cost.
Accompanying drawing illustrates:
Fig. 1 is this utility model structural representation.
Fig. 2 is this utility model side view.
Fig. 3 is this utility model top view.
Fig. 4 is this utility model A-A sectional view.
Fig. 5 is this utility model spiral board deployed configuration schematic diagram.
Fig. 6 is this utility model spiral board B-B sectional view.
Fig. 7 is this utility model spiral board C-C sectional view.
Detailed description of the invention:
With reference to each figure, a kind of orifice-plate type pipeline gas combustion-compensating device, including shell body 1, articulation 3 and gas pipeline 5, shell body 1 is internal is provided with combustion gas inlet pipe 4, combustion gas inlet pipe 4 is connected with articulation 3 one end, and articulation 3 other end is connected with gas pipeline 5 one end, and gas pipeline 5 is provided with gas nozzle 7, gas pipeline 5 other end is connected with fixing pipe box 6, and shell body 1 is internal is provided with spiral board 2.The mode reversely driving grooving in the upper and lower region of spiral board 2 provides Tangential Wind；By the mode in monomer spiral board 2 perforate, it is provided that direct current wind；Combustion air ratio according to Tangential Wind with the different adjustment 1:2 of the perforated area of direct current wind.Can pass through to increase or reduce the fuel quantity of the single orifice-plate type pipeline gas burner of standard gas nozzle 7 quantity regulating in the middle part of spiral board 2.
Combustion gas imports via combustion gas inlet pipe 4, and passes through to spray into combustor after gas pipeline 5 is assigned to different gas nozzles 7；Extraneous air is imported by shell body 1, after spiral board 2, is divided into direct current wind and Tangential Wind, enters combustor, start-up burner light, carry out the burning of continuous-stable immediately after being then sufficiently mixed with the combustion gas of gas nozzle 7 ejection.
Adopt the air distribution mode tissue burning that direct current wind combines with Tangential Wind；The fuel jet mode adopting combination nozzle regulates the fuel quantity of single orifice-plate type pipeline gas burner；The arrangement utilizing independent tubes series multistage orifice plate meets overall burning load demand；Meet burning load by the formula of independent tubes hierarchical arrangement side and regulate the demand of ratio；The mode of described employing " independent tubes series multistage orifice plate ": utilize the fixing air distribution panel of independent fuel tube and fuel nozzle 7, and according to spatial form, by the single orifice-plate type pipeline gas burner of horizontal and vertical arranged in series；The mode of described employing " independent tubes hierarchical arrangement ": according to space structure, by fuel channel 5 interlaced arrangement each section independent, do not connect mutually between pipeline.Burning load is regulated by increasing or reduce the independent pipeline number put into operation；Have simple in construction, the scope of application big, can smooth combustion in high velocity smoke flow region, uniformity of temperature profile and HRSG Inlet Duct length can be shortened thus reducing the features such as cost.
Claims (3)
1. an orifice-plate type pipeline gas combustion-compensating device, including shell body, articulation and gas pipeline, it is characterized in that: inside shell body, be provided with combustion gas inlet pipe, combustion gas inlet pipe is connected with articulation one end, the articulation other end is connected with gas pipeline one end, gas pipeline is provided with gas nozzle, and the gas pipeline other end is connected with fixing pipe box, is provided with spiral board inside shell body.
2. orifice-plate type pipeline gas combustion-compensating device according to claim 1, it is characterised in that: the mode reversely driving grooving in the upper and lower region of spiral board provides Tangential Wind；By the mode in monomer spiral board perforate, it is provided that direct current wind；Combustion air ratio according to the Tangential Wind different adjustment First air with the perforated area of direct current wind with secondary wind.
3. orifice-plate type pipeline gas combustion-compensating device according to claim 1, it is characterised in that: can pass through to increase or reduce the fuel quantity of the single orifice-plate type pipeline gas burner of standard gas nozzle quantity regulating in the middle part of spiral board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620067869.2U CN205372551U (en) | 2016-01-25 | 2016-01-25 | Gaseous after burning device of orifice plate formula pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620067869.2U CN205372551U (en) | 2016-01-25 | 2016-01-25 | Gaseous after burning device of orifice plate formula pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205372551U true CN205372551U (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620067869.2U Active CN205372551U (en) | 2016-01-25 | 2016-01-25 | Gaseous after burning device of orifice plate formula pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205372551U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509051A (en) * | 2016-01-25 | 2016-04-20 | 中国船舶重工集团公司第七�三研究所 | Orifice plate type pipeline gas supplement burner |
-
2016
- 2016-01-25 CN CN201620067869.2U patent/CN205372551U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509051A (en) * | 2016-01-25 | 2016-04-20 | 中国船舶重工集团公司第七�三研究所 | Orifice plate type pipeline gas supplement burner |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |