CN102997241A - Boiler methane burning device - Google Patents
Boiler methane burning device Download PDFInfo
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- CN102997241A CN102997241A CN2012105737937A CN201210573793A CN102997241A CN 102997241 A CN102997241 A CN 102997241A CN 2012105737937 A CN2012105737937 A CN 2012105737937A CN 201210573793 A CN201210573793 A CN 201210573793A CN 102997241 A CN102997241 A CN 102997241A
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- nozzle
- biogas
- inlet pipe
- methane
- air
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Abstract
The invention discloses a boiler methane burning device which comprises an air inlet pipe, a methane inlet pipe and a burner installation pipe frame and is characterized in that the air inlet pipe is sleeved in the burner installation pipe frame. The methane inlet pipe is sleeved in the air inlet pipe distantly through a distant location ring. The air inlet pipe, the burner installation pipe frame and the methane inlet pipe are fixedly connected in sealing mode by adopting the flange structure mode. The front ends of the air inlet pipe and the methane inlet pipe are retracted inwards into a conical shape to form an air nozzle and a methane nozzle. The front faces of the two nozzles are not aligned, and the methane nozzle is contained in the air nozzle to form a mixed gas burning nozzle. The air nozzle and the methane nozzle are made of abrasion-resistant high-temperature-resistant materials. The boiler methane burning device with the structure is convenient to install, maintain and replace. The nozzles are made of special steel, are capable of effectively preventing corrosiveness of methane and improve performance of the mixed gas burning nozzle. The boiler methane burning device is suitable for various boilers.
Description
Technical field
The present invention relates to a kind of Industrial Boiler, especially the biogas combustion device of boiler.
Background technology
At present, the biogas that produces in the treatment of Organic Wastewater process of industrial enterprise generally is used for boiler auxiliary combustion.And the biogas combustion device that uses in the boiler now exists many shortcomings, and at 400 ℃ high temperature in lower very short time, burner noz(zle) is burnt such as: burner; Burner structure is unreasonable, and biogas combustion is incomplete, causes energy waste; The complex structure of burner, maintenance and replacing trouble etc.
Summary of the invention
The purpose of this invention is to provide a kind of boiler biogas combustion device, should be able to overcome deficiency of the prior art, further improve the biogas utilization rate, reduce burner damage, fault rate and reduce maintenance load.
In order to achieve the above object, this biogas combustion device burner noz(zle) partly adopts the steel 1Cr18Ni9Ti of special substance, guarantees that in boiler burner noz(zle) can not damaged by high temperature under the corresponding temperature; Adopt simultaneously but structure of air-cooled, make the burner noz(zle) temperature obtain the air cooling-down that continues, avoid the burner noz(zle) portion temperature can not reach the fail temperature of nozzle; The Mixed Zone is injection mixed structure simple in structure, and mixing efficiency is high, and biogas combustion is complete.And air intake duct, biogas air inlet pipe, burner are installed pipe support, and the three adopts the form of flanges connection to be convenient to installation, maintenance and replacing.Be specially:
A kind of boiler biogas combustion device, it comprises air intake duct, biogas air inlet pipe and burner installation pipe support, it is characterized in that:
Described air intake duct is socketed on burner and installs in the pipe support, and the biogas air inlet pipe is connected in the air intake duct by the centring ring spacer sleeve at interval;
Described air intake duct and burner are installed pipe support and biogas air inlet pipe, adopt respectively the fixed seal connection of the version of flange;
The respectively interior harvest taper of the front end of described air intake duct and biogas air inlet pipe consists of air nozzle, biogas nozzle, and the front of two nozzles is not concordant, closes at air nozzle in the biogas nozzle, consists of the mixture combustion nozzle.
Described air nozzle and biogas nozzle adopt the corrosion-resistant high-temperature material to make.
Described corrosion-resistant high-temperature material is the 1Cr18Ni9Ti steel.
The biogas air inlet pipe of the boiler biogas combustion device of above structure, air intake duct and burner adopt respectively being fixedly connected with of form of flanges to be convenient to installation, maintenance and replacing after the pipe support socket is installed, and the mixture combustion nozzle adopts the steel of special substance to make.After air enters into the mixture combustion nozzle from the air intake duct rear end, participate in and the mixing of biogas, remove double playing the lasting effect of cooling off of burner noz(zle) combustion-supporting the time, avoid the burner noz(zle) excess Temperature and damage.This biogas combustion device adopts special construction, and stimulate the menstrual flow design and material distribution by science have thoroughly solved the problems referred to above, have following advantage:
1. the burner material is distributed rationally, and channel allocation is reasonable, has from the cooling effect, can not burn under the specific high temperature of boiler;
2. air and biogas mixed high-efficient, biogas combustion is complete, and is simple in structure;
3. burner maintenance and replacing are convenient.
Figure of description
Fig. 1 is structural representation of the present invention;
Fig. 2 is the sectional structure schematic diagram of Fig. 1;
In the drawings, burner is installed pipe support 1, pipe support ring flange 2, air hose forward flange dish 3, air intake duct ring flange 4 suitable for reading manages 5 in the air inlet, biogas pipe rear stub 6, biogas air inlet pipe 7, biogas pipe forward flange dish 8, air hose rear stub 9, air intake duct 10, centring ring 11, air nozzle 12, biogas nozzle 13.
The specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Shown in Figure 1, be structural representation of the present invention, as we know from the figure, this biogas combustion device is mainly installed pipe support 1, biogas air inlet pipe 7 and air intake duct 10 by burner and is consisted of.Wherein, air intake duct 10 passes on left pipe support ring flange 2 fixed seal connections of its air hose forward flange dish 3 and burner installation pipe support 1; The right side of air intake duct 10 is by biogas pipe forward flange dish 8 fixed seal connections of air hose rear stub 9 with biogas air inlet pipe 7.Also by the ring flange fixed seal connection of air intake duct ring flange 4 suitable for reading with the air input pipe, air is from air intake duct input air suitable for reading for pipe 5 in the air inlet of air intake duct 10.In like manner, biogas air inlet pipe 7 is also by the ring flange fixed seal connection of its biogas pipe rear stub 6 with the biogas input pipe, and biogas air inlet pipe 7 is from rear end input biogas.Certainly, the fixed seal connection between per two ring flanges must be passed through screw bolt and nut, and the combination of sealing ring is finished and is tightly connected.
Shown in Figure 2, be the sectional structure schematic diagram of Fig. 1.In the drawings, described air intake duct 10 is socketed on burner and installs in the pipe support 1, and centring ring 11 spacer sleeves of biogas air inlet pipe 7 by the interval are connected in the air intake duct 10, and centring ring 11 is provided with a plurality of holes that see through air.The respectively interior harvest taper of the front end of described air intake duct 10 and biogas air inlet pipe 7 consists of air nozzle 12, biogas nozzle 13, and the front of two nozzles is not concordant, closes at air nozzle 12 in the biogas nozzle 13, consists of the mixture combustion nozzle.The space of between air nozzle 12, biogas nozzle 13 front ends and front is the mixed combustion district of air and biogas, in this mixed combustion district Air and in proportion mixed combustion of biogas.Air play combustion-supporting outside, also air nozzle 12, biogas nozzle 13 are had the protective effect that continues cooling, the prevention burner noz(zle) is burnt.Described air nozzle 12 and biogas nozzle 13 adopt the corrosion-resistant high-temperature steel to make, and these corrosion-resistant high-temperature steel are the 1Cr18Ni9Ti material.The 1Cr18Ni9Ti steel are a kind of stainless steel materials, can be high temperature resistant more than 700 ℃, and can effectively prevent the corrosivity of biogas, improve the performance of mixture combustion nozzle.
The operation principle of boiler biogas combustion device of the present invention is:
By the biogas pressure fan biogas is sent into the rear end of biogas air inlet pipe 7, enter into the biogas air inlet pipe 7 of this biogas combustion device, arrive biogas nozzle 13.Simultaneously with the AIR Proportional of corresponding amount with suitable for reading send into air intake duct 10 in of blower fan from air inlet pipe 5, arrive air nozzles 12 by a plurality of holes that see through air on the centring ring 11.Two kinds of gases diminish owing to receive in the diameter at nozzle place when arriving respectively air nozzle 12, biogas nozzle 13 place, and pressure increases, and spray speed is accelerated, and moment mixes in the mixed combustion district, and by ignition combustion.Because biogas and air are to send into by a certain percentage and moment mixed combustion, so that biogas can completing combustion, produce in a large number and the heat energy of high temperature is conducive to burning to other fuel, the caloric value of biogas is fully used.At a high speed the deacration of ejection play combustion-supporting outside, also air nozzle 12, biogas nozzle 13 are had the protective effect that continues cooling, the prevention burner noz(zle) is burnt.
Claims (3)
1. boiler biogas combustion device, it comprises that air intake duct, biogas air inlet pipe and burner install pipe support, it is characterized in that:
Described air intake duct (10) is socketed on burner and installs in the pipe support (1), and biogas air inlet pipe (10) is connected in the air intake duct (10) by centring ring (11) spacer sleeve at interval;
Described air intake duct (10) is installed pipe support (1) and biogas air inlet pipe (7) with burner, adopts respectively the version fixed seal connection of flange;
The respectively interior harvest taper of the front end of described air intake duct (10) and biogas air inlet pipe (7) consists of air nozzle (12), biogas nozzle (13), and the front of two nozzles is not concordant, close at air nozzle (12) in the biogas nozzle (13), consist of the mixture combustion nozzle.
2. boiler biogas combustion device according to claim 1 is characterized in that:
Described air nozzle (12) and biogas nozzle (13) adopt the corrosion-resistant high-temperature material to make.
3. boiler biogas combustion device according to claim 2 is characterized in that:
Described corrosion-resistant high-temperature material is the 1Cr18Ni9Ti steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105737937A CN102997241A (en) | 2012-12-26 | 2012-12-26 | Boiler methane burning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105737937A CN102997241A (en) | 2012-12-26 | 2012-12-26 | Boiler methane burning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102997241A true CN102997241A (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105737937A Pending CN102997241A (en) | 2012-12-26 | 2012-12-26 | Boiler methane burning device |
Country Status (1)
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| CN (1) | CN102997241A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101131235A (en) * | 2007-09-12 | 2008-02-27 | 北京科技大学 | Combustor implementing ultra-low oxidized burning loss during heating steel billet |
| DE102007005256A1 (en) * | 2007-02-02 | 2008-08-07 | Messer Austria Gmbh | Burner for e.g. hearth-type furnace for heating and melting of glass, has nozzle equipped with supply for primary oxidizing agent and another supply for secondary oxidizing agent equipped with unit for changing passage area of both supplies |
| CN201363728Y (en) * | 2009-03-06 | 2009-12-16 | 苏和 | Air jet flow self-preheating burner nozzle |
| CN202253650U (en) * | 2011-09-09 | 2012-05-30 | 北京兴达奇热工控制设备有限公司 | Adjustable-temperature gas burner |
| CN203024153U (en) * | 2012-12-26 | 2013-06-26 | 广西武鸣县皎龙酒精能源有限公司 | Boiler biogas burning device |
-
2012
- 2012-12-26 CN CN2012105737937A patent/CN102997241A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007005256A1 (en) * | 2007-02-02 | 2008-08-07 | Messer Austria Gmbh | Burner for e.g. hearth-type furnace for heating and melting of glass, has nozzle equipped with supply for primary oxidizing agent and another supply for secondary oxidizing agent equipped with unit for changing passage area of both supplies |
| CN101131235A (en) * | 2007-09-12 | 2008-02-27 | 北京科技大学 | Combustor implementing ultra-low oxidized burning loss during heating steel billet |
| CN201363728Y (en) * | 2009-03-06 | 2009-12-16 | 苏和 | Air jet flow self-preheating burner nozzle |
| CN202253650U (en) * | 2011-09-09 | 2012-05-30 | 北京兴达奇热工控制设备有限公司 | Adjustable-temperature gas burner |
| CN203024153U (en) * | 2012-12-26 | 2013-06-26 | 广西武鸣县皎龙酒精能源有限公司 | Boiler biogas burning device |
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Application publication date: 20130327 |