CN207247203U - The more level air-distributions of industrial combustion gas kiln are oxygen-enriched with burning burner special - Google Patents

The more level air-distributions of industrial combustion gas kiln are oxygen-enriched with burning burner special Download PDF

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Publication number
CN207247203U
CN207247203U CN201721125117.8U CN201721125117U CN207247203U CN 207247203 U CN207247203 U CN 207247203U CN 201721125117 U CN201721125117 U CN 201721125117U CN 207247203 U CN207247203 U CN 207247203U
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China
Prior art keywords
mixer
oxygen
enriched
combustion
air
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CN201721125117.8U
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Chinese (zh)
Inventor
张爱玲
尹德成
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Tangshan Xinwang Oxygen-enriched Energy Conservation and Environmental Protection Technology Co., Ltd.
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Tangshan Nachuan Oxygen Enrichment Energy Saving Technology Development Co Ltd
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Priority to CN201721125117.8U priority Critical patent/CN207247203U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Abstract

It is oxygen-enriched with burning burner special to the utility model is related to a kind of more level air-distributions of industrial combustion gas kiln.Including the oxygen-enriched pipe, exhaust gas nozzle, combustion air conduit being set with successively from inside to outside, combustion air catheter proximal end suit nozzle;Oxygen-enriched pipe, the rich foster combined sprinkler of exhaust gas nozzle front end dress combustion gas, exhaust gas nozzle front end is equipped with front opening multi-level mixer cylindrical in shape, multi-level mixer tail end is provided with air holes of mixer, mixer secondary air hole, mixer air holes three times have been sequentially arranged on multi-level mixer side wall, gap between multi-level mixer front end and combustion air conduit is mixer end wind passage, and air holes, mixer end wind passage form multistage air distribution structure three times for air holes of mixer, mixer secondary air hole, mixer.The utility model makes combustion air realize level Four mixture with combustion gas, rich foster air and burn by multi-level mixer, and flame is sprayed by the high-velocity flame spray mouth of nozzle, not only improves efficiency of combustion, but also burning indoor temperature can be avoided excessive.

Description

The more level air-distributions of industrial combustion gas kiln are oxygen-enriched with burning burner special
Technical field
Oxygen-enriched burner is the utility model is related to, is specifically that a kind of more level air-distributions of industrial combustion gas kiln are oxygen-enriched with the special combustion of burning Burner.
Background technology
Rich Combustion Technicies are a kind of novel energy-conserving combustion technologies applied to Industrial Stoves, have improve flame temperature, Enhanced rad heat-transfer capability, reduce exhaust gas discharge, improve the thermal efficiency, save the advantages that energy, had both met kiln product and has burnt till Technological requirement, improve yield and quality, and the discharge capacity of flue gas can be reduced, it is energy saving with the significant effect of emission reduction.But at present The oxygen-enriched spout of oxygen-enriched burner be directly entered combustion chamber mostly, oxygen-enriched air cannot be premixed fully with combustion gas, and combustion air leads to Cross spinning disk structure and enter combustion chamber, equally exist the problem of cannot fully being premixed with oxygen-enriched air, combustion gas, be easy to cause burning Indoor temperature is higher, produces nitrogen oxides, the problems such as insufficient burning or consuming fuel occurs.
CN206352829U discloses a kind of oxygen-enriched burner, by setting oxygen-enriched grid so that fuel, combustible exhaust gas with And oxygen, carry out fully stirring and mixing between oxygen-enriched grid, fuel and combustible exhaust gas is contacted with oxygen, solve combustion Material and the clean-burning problem of combustible exhaust gas.But it is not suitable for industrial combustion gas kiln flame ejection-type burner.
Utility model content
The utility model aims to solve the problem that the above problem existing for existing oxygen-enriched burner, and provides a kind of in raising burning effect While fruit, chamber temperature will not increase, and oxygen-enriched special with burning in the more level air-distributions of industrial combustion gas kiln of flame ejection-type Burner.
The utility model solves the technical solution that its technical problem uses:
A kind of more level air-distributions of industrial combustion gas kiln are oxygen-enriched with burning burner special, including burner shell, oxygen-enriched pipe, combustion gas Jet pipe, combustion air conduit, nozzle, oxygen-enriched pipe, exhaust gas nozzle, combustion air conduit three are sleeve structure successively from inside to outside, spray Muzzle is outside combustion air conduit;The front end of both oxygen-enriched pipe, exhaust gas nozzle is equipped with the rich foster combined sprinkler of combustion gas, exhaust gas nozzle Front end is equipped with multi-level mixer, and multi-level mixer is the tubular construction of front opening, and multi-level mixer tail end is provided with mixer Air holes, has been sequentially arranged mixer secondary air hole, mixer air holes three times on multi-level mixer side wall, before multi-level mixer Gap between end and combustion air conduit is mixer end wind passage, and air holes of mixer, mixer secondary air hole, mix Air holes, mixer end wind passage form multistage air distribution structure to device three times.
Using the utility model of above-mentioned technical proposal, compared with prior art, its advantage is:
A multi-level mixer is provided with the combustion chamber that nozzle is formed, multi-level mixer forms a small combustion chamber; Combustion air realizes that three-level mixture is burnt in multi-level mixer with combustion gas, rich foster air, is entering in the combustion chamber of nozzle composition The burning of level Four mixture is then realized, flame is then sprayed by the high-velocity flame spray mouth of nozzle, not only improves efficiency of combustion, but also can keep away It is excessive to exempt from burning indoor temperature.
Preferably, the further technical solution of the utility model is:
Oxygen-enriched pipe is embedded to be installed on burner shell, and runs through burner shell, and oxygen-enriched pipe tail end is equipped with oxygen-enriched pipe Connectivity port, is equipped with oxygen-enriched pressure valve on oxygen-enriched pipe connectivity port.
Fuel gas inlet and combustion-supporting wind inlet are respectively arranged with burner shell, fuel gas inlet and combustion-supporting wind inlet lead to respectively The passage built in burner shell is crossed to connect with exhaust gas nozzle, combustion air conduit.
Fuel gas inlet is provided with gas throttle valve and combustion gas pressure difference test valve.
Combustion air pressure valve is provided with burner shell and sees fiery visor.
Nozzle is carborundum tube, and spray nozzle front end is the high-velocity flame spray mouth of bottleneck shape;Between nozzle and combustion air conduit High temperature filler material is provided with, nozzle is fixed with combustion air conduit by positioning bolt.
For the rich foster combined sprinkler main body of combustion gas in cone hat shape, main body outer peripheral edge is provided with the gas injection connected with exhaust gas nozzle Hole, main body front is oxygen-enriched main jet hole, and body front part, which is circular layout, oxygen-enriched auxiliary spray hole.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model embodiment;
It is A-A views in Fig. 1 that Fig. 2, which is,;
In figure:Oxygen-enriched pipe connectivity port 1;Burner shell 2;See fiery visor 3;Oxygen-enriched pipe 4;Exhaust gas nozzle 5;Combustion air is led Pipe 6;High temperature filler material 7;Nozzle 8;Air holes 9 of mixer;Mixer secondary air hole 10;Mixer air holes 11 three times;Mixing Device end wind passage 12;Combustion chamber 13;High-velocity flame spray mouth 14;Multi-level mixer 15;Oxygen-enriched main jet hole 16;Oxygen-enriched auxiliary spray Hole 17;The rich foster combined sprinkler 18 of combustion gas;Gas jet orifice 19;Positioning bolt 20;Combustion air pressure valve 21;Combustion-supporting wind inlet 22;Combustion Gas import 23;Oxygen-enriched pressure valve 24;Gas throttle valve 25;Combustion gas pressure difference tests valve 26.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
Referring to Fig. 1, Fig. 2, a kind of more level air-distributions of industrial combustion gas kiln are oxygen-enriched with burning burner special, by burner shell 2, Oxygen-enriched pipe 4, exhaust gas nozzle 5, combustion air conduit 6, nozzle 8, multi-level mixer 15, the rich foster combined sprinkler 18 of combustion gas etc. are formed, rich Oxygen pipe 4, exhaust gas nozzle 5,6 three of combustion air conduit are sleeve structure successively from inside to outside, and oxygen-enriched pipe 4 is embedded to be installed on burning On device housing 2(Burner shell 1 in Fig. 1 is two parts combining structure), and run through burner shell 2, oxygen-enriched 4 tail end of pipe dress There is oxygen-enriched pipe connectivity port 1, oxygen-enriched pressure valve 24 is housed on oxygen-enriched pipe connectivity port 1;Combustion is respectively arranged with burner shell 2 Gas import 23 and combustion-supporting wind inlet 22, fuel gas inlet 23 and combustion-supporting wind inlet 22 respectively by burner shell 2 built in passage Connected with exhaust gas nozzle 5, combustion air conduit 6, fuel gas inlet 23 is provided with gas throttle valve 25 and combustion gas pressure difference test valve 26(See Fig. 2), combustion air pressure valve 21 is additionally provided with burner shell 2 and sees fiery visor 3;Nozzle 8 is sleeved on combustion air conduit 6 Outside, nozzle 8 are carborundum tube, and 8 front end of nozzle is the high-velocity flame spray mouth 14 of bottleneck shape, nozzle 8 and combustion air conduit 6 it Between be provided with high temperature filler material 7, nozzle 8 is fixed with combustion air conduit 6 by positioning bolt 20;5 liang of oxygen-enriched pipe 4, exhaust gas nozzle The front end of person is set equipped with the rich foster combined sprinkler 18 of combustion gas, combustion gas 18 main body of rich foster combined sprinkler in cone hat shape, main body outer peripheral edge Have a gas jet orifice 19 connected with exhaust gas nozzle 5, be oxygen-enriched main jet hole 16 immediately ahead of main body, body front part be circular layout have it is oxygen-enriched Auxiliary spray hole 17;5 front end of exhaust gas nozzle is equipped with multi-level mixer 15, and multi-level mixer 15 is the tubular construction of front opening, more Level 15 tail end of mixer is provided with air holes 9 of mixer, and mixer Secondary Air has been sequentially arranged on 15 side wall of multi-level mixer Air holes 11, the gap between 15 front end of multi-level mixer and combustion air conduit 6 lead to for mixer end wind three times for hole 10, mixer Road 12, air holes 11, mixer end wind passage 12 are formed three times for air holes 9 of mixer, mixer secondary air hole 10, mixer Multistage air distribution structure, and multi-level mixer 15 is located in the combustion chamber 13 of the composition of nozzle 8, and formation is one small in combustion chamber 13 Combustion chamber;Combustion air realizes that three-level mixture is burnt in multi-level mixer 15 with combustion gas, rich foster air, is entering in combustion chamber 13 The burning of level Four mixture is then realized, flame is then sprayed by the high-velocity flame spray mouth 14 of nozzle 8, therefore can improve burning effect Rate, and burning indoor temperature can be avoided excessive.
Above-described embodiment is only to the utility model explanation for example.The utility model those of skill in the art Member can do various modifications or additions to described specific embodiment or substitute in a similar way, but can't Deviate from the spirit of the utility model or beyond the scope of the appended claims.

Claims (7)

1. a kind of more level air-distributions of industrial combustion gas kiln are oxygen-enriched with burning burner special, including burner shell(2), oxygen-enriched pipe(4)、 Exhaust gas nozzle(5), combustion air conduit(6), nozzle(8), oxygen-enriched pipe(4), exhaust gas nozzle(5), combustion air conduit(6)Three is certainly Sleeve structure successively from inside to outside, nozzle(8)It is sleeved on combustion air conduit(6)It is exterior;It is characterized in that:Oxygen-enriched pipe(4), gas injection Pipe(5)Both front ends are equipped with combustion gas oxygen-enriched combination nozzle(18), exhaust gas nozzle(5)Front end is equipped with multi-level mixer(15), it is more Level mixer(15)For the tubular construction of front opening, multi-level mixer(15)Tail end is provided with air holes of mixer(9), it is more Level mixer(15)Mixer secondary air hole has been sequentially arranged on side wall(10), mixer air holes three times(11), multi-level mixer (15)Front end and combustion air conduit(6)Between gap be mixer end wind passage(12), air holes of mixer(9), it is mixed Clutch secondary air hole(10), mixer air holes three times(11), mixer end wind passage(12)Form multistage air distribution structure.
2. the more level air-distributions of industrial combustion gas kiln according to claim 1 are oxygen-enriched with burning burner special, it is characterised in that:It is rich Oxygen pipe(4)It is embedded to be installed on burner shell(2)On, and run through burner shell(2), oxygen-enriched pipe(4)Tail end is equipped with oxygen-enriched Pipe connectivity port(1), oxygen-enriched pipe connectivity port(1)It is upper that oxygen-enriched pressure valve is housed(24).
3. the more level air-distributions of industrial combustion gas kiln according to claim 1 are oxygen-enriched with burning burner special, it is characterised in that:Combustion Burner housing(2)On be respectively arranged with fuel gas inlet(23)With combustion-supporting wind inlet(22), fuel gas inlet(23)With combustion-supporting wind inlet (22)Pass through burner shell respectively(2)Built-in passage and exhaust gas nozzle(5), combustion air conduit(6)Connection.
4. the more level air-distributions of industrial combustion gas kiln according to claim 3 are oxygen-enriched with burning burner special, it is characterised in that:Combustion Gas import(23)It is provided with gas throttle valve(25)Valve is tested with combustion gas pressure difference(26).
5. the more level air-distributions of industrial combustion gas kiln according to claim 1 are oxygen-enriched with burning burner special, it is characterised in that:Combustion Burner housing(2)On be provided with combustion air pressure valve(21)With the fiery visor of sight(3).
6. the more level air-distributions of industrial combustion gas kiln according to claim 1 are oxygen-enriched with burning burner special, it is characterised in that:Spray Mouth(8)For carborundum tube, nozzle(8)Front end is the high-velocity flame spray mouth of bottleneck shape(14);Nozzle(8)With combustion air conduit (6)Between be provided with high temperature filler material(7), nozzle(8)With combustion air conduit(6)Pass through positioning bolt(20)It is fixed.
7. the more level air-distributions of industrial combustion gas kiln according to claim 1 are oxygen-enriched with burning burner special, it is characterised in that:Combustion Gas oxygen-enriched combination nozzle(18)Main body is in cone hat shape, and main body outer peripheral edge is provided with and exhaust gas nozzle(5)The gas jet orifice of connection (19), main body front is oxygen-enriched main jet hole(16), body front part, which is circular layout, oxygen-enriched auxiliary spray hole(17).
CN201721125117.8U 2017-09-04 2017-09-04 The more level air-distributions of industrial combustion gas kiln are oxygen-enriched with burning burner special Active CN207247203U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107355786A (en) * 2017-09-04 2017-11-17 唐山纳川富氧节能技术开发有限公司 The more level air-distributions of industrial combustion gas kiln are oxygen-enriched with burning burner special

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107355786A (en) * 2017-09-04 2017-11-17 唐山纳川富氧节能技术开发有限公司 The more level air-distributions of industrial combustion gas kiln are oxygen-enriched with burning burner special

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GR01 Patent grant
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CP03 Change of name, title or address

Address after: 063000 Times Star City Apartment A506-2, 166 North Construction Road, Lubei District, Tangshan City, Hebei Province

Patentee after: Tangshan Nachuan Oxygen-enriched Energy Saving Technology Co., Ltd.

Address before: 063000 No. 99 Jianbei Road, Tangshan High-tech Zone, Hebei Province (Room 1505, Torch Building)

Patentee before: Tangshan Nachuan oxygen enrichment Energy Saving Technology Development Co. Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20190617

Address after: 063000 West Side of Yingbin Road, Fengnan Economic Development Zone, Tangshan City, Hebei Province

Patentee after: Tangshan Xinwang Oxygen-enriched Energy Conservation and Environmental Protection Technology Co., Ltd.

Address before: 063000 Times Star City Apartment A506-2, 166 North Construction Road, Lubei District, Tangshan City, Hebei Province

Patentee before: Tangshan Nachuan Oxygen-enriched Energy Saving Technology Co., Ltd.