CN203893178U - High and low calorific value double-fuel combined burner - Google Patents
High and low calorific value double-fuel combined burner Download PDFInfo
- Publication number
- CN203893178U CN203893178U CN201420121403.7U CN201420121403U CN203893178U CN 203893178 U CN203893178 U CN 203893178U CN 201420121403 U CN201420121403 U CN 201420121403U CN 203893178 U CN203893178 U CN 203893178U
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- China
- Prior art keywords
- air
- fuel gas
- calorific value
- value fuel
- gas
- 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.)
- Expired - Lifetime
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 26
- 239000002737 fuel gas Substances 0.000 claims abstract description 39
- 239000007789 gas Substances 0.000 claims description 23
- 238000002485 combustion reaction Methods 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 14
- 230000009977 dual effect Effects 0.000 claims description 8
- 239000000567 combustion gas Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 239000011449 brick Substances 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- 239000006227 byproduct Substances 0.000 description 6
- 239000003034 coal gas Substances 0.000 description 6
- 239000003345 natural gas Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Abstract
The utility model relates to a high and low calorific value double-fuel combined burner, and particularly discloses a high calorific value fuel gas and low calorific value fuel gas combined burner. A high calorific value fuel gas channel and a low calorific value fuel gas channel respectively convey high calorific value fuel gas and low calorific value fuel gas; the high calorific value fuel gas channel and the low calorific value fuel gas channel are connected with two fuel gas pipelines through different connectors; the high calorific value fuel gas and the low calorific value fuel gas are sprayed into a combustor to be burnt through different nozzles; air in an air channel 1 rotates through an axially movable blade air regulator, so as to form rotating air flow; the rotating air flow is sufficiently mixed and burnt with the low calorific value fuel gas; the high calorific value fuel gas is mixed at the air outlet of an air channel 2 with air in the air channel 2; the high calorific value fuel gas and the air in the air channel 2 are subjected to secondary rotating mixing through a straight-flow air regulator, so that the high calorific value fuel gas and the low calorific value fuel gas are more reasonable to distribute and are more sufficient to burn.
Description
Technical field
The utility model belongs to combustion apparatus technical field, relates to a kind of high low heat value dual fuel combined burning arrangement.
Background technology
Large Steel ironworks produces a large amount of by-product gas in process of production, comprises low calorie fuels, exotic fuels and coal gas of converter etc.These by-product gas and natural gas are used as the fuel of factory, hot-blast stove and power plant.The generation of by-product gas unstable, and part coal gas need grow distance and carry, and the start and stop of combustion apparatus also can cause the fluctuation of by-product gas ductwork pressure.In addition, the mixing between different by-product gas, also can make fuel gases calorific value change.The smooth combustion of burner need to possess stable fuel and air distribution, and above-mentioned fuel gases calorific value differs greatly, cause air requirement widely different, the simple very difficult air distribution amount of adjusting of burning that mixes makes it abundant burning, easily cause gas-fired insufficient, cause potential safety hazard and atmosphere pollution.Also be difficult to provide the mixed gas of stability of characteristics simultaneously.In order to realize the best combustion of these by-product gas, just need to carry out some improvement to existing burner.
Summary of the invention
The purpose of this utility model is, the blast furnace gas producing for steel plant, coke-stove gas, coal gas of converter etc., design a kind of high low heat value dual fuel combined burning arrangement, make natural gas, blast furnace gas, coke-stove gas, several combustion gas of coal gas of converter can realize dual-fuel multifuel combustion, can make unsettled source of the gas be fully utilized, reach good combustion efficiency.
The technical solution of the utility model is: high low heat value dual fuel combined burning arrangement by quirk brick (1), single flow air register (2), be axially moveable blade air register (3), air duct 1(4), fuel gas with low heat value passage (5), high heating value blast tube (6), air duct 2(7), butterfly valve 1(8), burning torch mounting pipe (9), butterfly valve 2(10), ignition air gun (11), burning torch (12), fire inspection (13) form.High heating value blast tube (6) and fuel gas with low heat value passage (5) are carried respectively high heating value combustion gas and fuel gas with low heat value, high heating value blast tube is connected with two kinds of gas pipelines by different interfaces with fuel gas with low heat value passage, by different nozzles, spray into combustion chamber tissue burning, air duct 1(4) air in rotates to form swirling eddy through axial movable vane air register (3), with the abundant mixed combustion of fuel gas with low heat value, high heating value combustion gas and air duct 2(7) in air in exit, mix, through single flow air register (2) secondary rotating, mix, air duct 1(4), air duct 2(7) at air intake place, be respectively equipped with butterfly valve separately, aperture by butterfly valve regulates every kind of fuel gas buring required air quantity, reach the object of smooth combustion.
The utility model has the advantage of: exotic fuels, low calorie fuels be multifuel combustion simultaneously, a kind of combustion gas of also can burning separately; The independent air distribution of exotic fuels and low calorie fuels, air intake butterfly valve is respectively joined in two kinds of combustion gas, better adapts to the situation that two kinds of fuel-air requirements differ greatly; This burner is joined two kinds of air registers, and two kinds of fuel gas burings are adjusted separately wind, and exotic fuels source of the gas is relatively stable, selects single flow air register can reduce whole burner volume, simplified structure; Fuel gas with low heat value burning air register is selected and is axially moveable impeller air register, can make low calorie fuels and air good mixing by rotating handwheel adjusting vane angle, and combustion efficiency is better; This burner adapts to the coupling of pluralities of fuel, as natural gas and blast furnace gas multifuel combustion, natural gas and coke-stove gas multifuel combustion, natural gas and coal gas of converter multifuel combustion, coke-stove gas and blast furnace gas multifuel combustion, coke-stove gas and coal gas of converter multifuel combustion etc., wherein, what have significant practical applications most is blast furnace gas and coke-stove gas multifuel combustion.
Accompanying drawing explanation
Fig. 1 is the high low heat value dual fuel combined burning arrangement of the utility model structural representation
Fig. 2 is the front view of the utility model single flow air register
Fig. 3 is the left view of the utility model single flow air register
Fig. 4 is the front view that the utility model is axially moveable blade air register
Fig. 5 is the left view that the utility model is axially moveable blade air register
Number in the figure explanation
1-quirk brick, 2-single flow air register
3-be axially moveable blade air register 4-air duct 1
5-fuel gas with low heat value passage, 6-high heating value blast tube
7-air duct, 2 8-butterfly valve 1
9-burning torch mounting pipe, 10-butterfly valve 2
11-ignition air gun, 12-burning torch
13-fire inspection, 14-outer tube
15-inner tube 16-tune air blade
17-connecting rod, 1 18-connecting rod 2
19-throw-out collar, 20-guide plate
21-connecting rod, 22-adjusting handle.
The specific embodiment
The high low heat value dual fuel combined burning arrangement of the utility model as shown in Figure 1, by quirk brick (1), single flow air register (2), be axially moveable blade air register (3), air duct 1(4), fuel gas with low heat value passage (5), high heating value blast tube (6), air duct 2(7), butterfly valve 1(8), burning torch mounting pipe (9), butterfly valve 2(10), ignition air gun (11), burning torch (12), fire inspection (13) form.High heating value blast tube (6) and fuel gas with low heat value passage (5) are carried respectively high heating value combustion gas and fuel gas with low heat value, high heating value blast tube is connected with two kinds of gas pipelines by different interfaces with fuel gas with low heat value passage, by different nozzles, spray into combustion chamber tissue burning, burning required air enters into air duct 1(4 from air intake), air duct 1(4) air in rotates to form swirling eddy through axial movable vane air register (3), with the abundant mixed combustion of low calorie fuels, exotic fuels and air duct 2(7) in air in exit, mix, through single flow air register (2) secondary rotating, mix, air duct 1(4), air duct 2(7) at air intake place, be respectively equipped with butterfly valve separately, aperture by butterfly valve regulates every kind of fuel gas buring required air quantity.Every kind of fuel gas buring can regulate by the butterfly valve opening at air intake place every kind of fuel gas buring required air quantity.This burner, with altar lamp and burning torch, guarantees that flameholding carries out safely.
Single flow air register as shown in Figure 2, is applied this air register, can simplify its structure, improves eddy flow efficiency.
Be axially moveable blade air register as shown in Figure 3, by rotating adjusting handle (22), connecting rod (21) moves left and right, and at the lower throw-out collar (19) of guide plate (20) restriction, moves left and right, and pulls/promote connecting rod 1(17) move and connecting rod 2(18) rotarily drive the rotation of blade.
Claims (2)
1. high low heat value dual fuel combined burning arrangement, is characterized in that, comprises quirk brick (1), single flow air register (2), be axially moveable blade air register (3), air duct 1(4), fuel gas with low heat value passage (5), high heating value blast tube (6), air duct 2(7), butterfly valve 1(8), burning torch mounting pipe (9), butterfly valve 2(10), ignition air gun (11), burning torch (12), fire inspection (13), described high heating value blast tube (6) and fuel gas with low heat value passage (5) are carried respectively high heating value combustion gas and fuel gas with low heat value, high heating value blast tube is connected with two kinds of gas pipelines by different interfaces with fuel gas with low heat value passage, by different nozzles, spray into combustion chamber tissue burning, air duct 1(4) air in rotates to form swirling eddy through axial movable vane air register (3), with the abundant mixed combustion of low calorie fuels, exotic fuels and air duct 2(7) in air in exit, mix, through single flow air register (2) secondary rotating, mix.
2. high low heat value dual fuel combined burning arrangement according to claim 1, it is characterized in that, air duct 1(4), air duct 2(7) at air intake place, be respectively equipped with butterfly valve separately, the aperture by butterfly valve regulates every kind of fuel gas buring required air quantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420121403.7U CN203893178U (en) | 2014-03-18 | 2014-03-18 | High and low calorific value double-fuel combined burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420121403.7U CN203893178U (en) | 2014-03-18 | 2014-03-18 | High and low calorific value double-fuel combined burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203893178U true CN203893178U (en) | 2014-10-22 |
Family
ID=51719580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420121403.7U Expired - Lifetime CN203893178U (en) | 2014-03-18 | 2014-03-18 | High and low calorific value double-fuel combined burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203893178U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106871122A (en) * | 2016-12-15 | 2017-06-20 | 南宁广发重工集团有限公司 | Low enthalpy ternary gas mix burner |
| CN106871117A (en) * | 2017-02-27 | 2017-06-20 | 和烁（张家港）热能设备有限公司 | A kind of burner suitable for fuel gas with low heat value |
| CN108525869A (en) * | 2018-06-04 | 2018-09-14 | 晋江美创环保设备有限公司 | A kind of cyclone of adjustable spinning disk angle and desulfurizing tower using the cyclone |
| CN109682204A (en) * | 2018-11-15 | 2019-04-26 | 新兴铸管股份有限公司 | A method of reducing kiln end of pellet rotary kiln tail exhaust gas nitrous oxides concentration |
| CN109945212A (en) * | 2017-12-20 | 2019-06-28 | 襄阳中和机电技术有限公司 | A kind of low-heating-value gas burner and combustion method |
| CN111112299A (en) * | 2020-01-07 | 2020-05-08 | 上海锅炉厂有限公司 | Melting furnace for melting garbage fly ash and matched combustor thereof |
| CN113832340A (en) * | 2021-10-21 | 2021-12-24 | 南京钢铁股份有限公司 | Method for improving pressure of client-side blast furnace gas node |
| CN114576623A (en) * | 2022-03-16 | 2022-06-03 | 新疆恒有能源科技股份有限公司 | Spiral-flow type combustor |
-
2014
- 2014-03-18 CN CN201420121403.7U patent/CN203893178U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106871122A (en) * | 2016-12-15 | 2017-06-20 | 南宁广发重工集团有限公司 | Low enthalpy ternary gas mix burner |
| CN106871117A (en) * | 2017-02-27 | 2017-06-20 | 和烁（张家港）热能设备有限公司 | A kind of burner suitable for fuel gas with low heat value |
| CN106871117B (en) * | 2017-02-27 | 2018-11-23 | 和烁（张家港）热能设备有限公司 | A kind of burner suitable for fuel gas with low heat value |
| CN109945212A (en) * | 2017-12-20 | 2019-06-28 | 襄阳中和机电技术有限公司 | A kind of low-heating-value gas burner and combustion method |
| CN108525869A (en) * | 2018-06-04 | 2018-09-14 | 晋江美创环保设备有限公司 | A kind of cyclone of adjustable spinning disk angle and desulfurizing tower using the cyclone |
| CN109682204A (en) * | 2018-11-15 | 2019-04-26 | 新兴铸管股份有限公司 | A method of reducing kiln end of pellet rotary kiln tail exhaust gas nitrous oxides concentration |
| CN111112299A (en) * | 2020-01-07 | 2020-05-08 | 上海锅炉厂有限公司 | Melting furnace for melting garbage fly ash and matched combustor thereof |
| CN111112299B (en) * | 2020-01-07 | 2023-10-31 | 上海锅炉厂有限公司 | Melting furnace for melting garbage fly ash |
| CN113832340A (en) * | 2021-10-21 | 2021-12-24 | 南京钢铁股份有限公司 | Method for improving pressure of client-side blast furnace gas node |
| CN114576623A (en) * | 2022-03-16 | 2022-06-03 | 新疆恒有能源科技股份有限公司 | Spiral-flow type combustor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141022 |