CN103277804B - Flue gas incinerator - Google Patents
Flue gas incinerator Download PDFInfo
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- CN103277804B CN103277804B CN201310183090.8A CN201310183090A CN103277804B CN 103277804 B CN103277804 B CN 103277804B CN 201310183090 A CN201310183090 A CN 201310183090A CN 103277804 B CN103277804 B CN 103277804B
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- flue gas
- heater
- sleeve pipe
- gas
- inlet pipe
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Abstract
The invention provides a flue gas incinerator, and relates to flue gas processing equipment in the field of environmental protection equipment. The flue gas incinerator comprises a furnace body, wherein a flue gas inlet is formed in the bottom end of the furnace body, and a flue gas discharging outlet is formed in the upper end of the furnace body. The flue gas incinerator is characterized in that the flue gas inlet is provided with a combination burner, one end of the combination burner stretches into a chamber of the furnace body, the combination burner is formed by at least two layers of casing pipes which are sequentially sleeved from inside to outside, a first central casing pipe layer is a flue gas inlet pipe, the lower end of an outer casing pipe layer is sealed, a burner flange for sealing is arranged at the top end of the outer casing pipe layer, gas distribution through holes distributed around the centers of the casing pipes and communicated with the outer casing pipe layer are formed in the burner flange respectively, and an ignition device is correspondingly arranged on the outlet in the top end of the combination burner. Through changing of an incineration mode, the incineration sufficient degree is greatly improved, processing efficiency is improved, and the flue gas incinerator is easy to manufacture and low in cost.
Description
Technical field
The present invention relates to the fume treatment auxiliary of field of environment protection equipment, particularly relate to a kind of flue gas incineration furnace.
Background technology
Tail gas (namely burn insufficient flue gas) at present for Industrial Stoves discharge processes, and generally adopt in two ways, one is electrostatic supplementary set method, and another kind is naked light burning method.
But the up-front investment cost of electrostatic supplementary set method is higher, and the flue gas of process can not remove its humidity, and the flue gas processed cannot be applied to electric field industry, reason is that electric field has strict restriction for the humidity of flue gas.
Therefore existing all employings naked light burning method comparatively conventional on the market, naked light burning method is as the term suggests be exactly introduced in specific incinerator by sufficient for unburned flue gas to carry out Thorough combustion, remove the sufficient particle of unburned in flue gas, make in its flue gas not containing impurity such as combustible dusts, the incinerator of prior art comprises body of heater, by being filled with fuel gas and combustion-supporting gas in body of heater, and light a fire, flue gas is made to carry out Thorough combustion in stove, but existing technology is all adopt pipeline to pump into above-mentioned gas directly in body of heater, it pumps into a certain region can only being fixed on body of heater with the position of lighting a fire, because furnace interior space is larger, flue gas cannot pass through naked light region completely, partial fume directly can discharge out of the furnace from other regions, cause firing efficiency low, if need address this problem preferably, igniting and aerating device just need be set in multiple regions of body of heater, cost drops into larger, effect is also barely satisfactory, partial fume is always had to burn abundant not, have much room for improvement.
China Patent Publication No. is CN201103912, publication date is 2008-08-20, disclose a kind of flue gas incineration furnace, solving flue gas and the setting of the direction of motion of gas nozzle naked light in existing flue gas incineration furnace makes the two fully not contact, for satisfied burning effect, the problem that amount of consumed gas just must be very large.A kind of flue gas incineration furnace, comprise on body of heater, body of heater and smoke inlet is set, it is characterized in that described body of heater is closed curve-shaped, smoke inlet is communicated with along body of heater tangential direction with furnace interior, the body of heater end of smoke inlet one end arranges nozzle, nozzle-axis and body of heater centerline parallel, body of heater longitudinal section arranges some gas nozzles, gas nozzle axis and body of heater curve tangential distribution.This technical scheme is by being arranged on rational position by nozzle, and smoke inlet and body of heater are tangentially arranged, flue gas is carried at body of heater inside spin, and utilize centrifugal force to get rid of to furnace wall by bulky grain, by being arranged on the nozzle Thorough combustion on furnace wall, efficiently solve the problem that burning is insufficient, but its body of heater is necessary for cylindric and is vertical, smoke inlet also must tangentially be arranged, the quantity of its nozzle also need increase along with the size for the treatment of capacity, and need powerful delivery pump to carry out high-pressure delivery, effectively not cost-saving, gas consumption is still larger, and it is higher to make required precision, cost is larger.
China Patent Publication No. is CN 201462856U, publication date is 2010-05-12, disclose a kind of incinerator, the oil burner comprising hearth body and be connected to outside hearth body and blower fan, be divided into upper and lower two combustion chambers in hearth body, be provided with the dividing plate that can breathe freely between combustion chamber, on dividing plate, air-vent is near the central authorities of dividing plate, air-vent is connected to the air-inducing passage of tubulose, the lower end of air-inducing passage protrudes from the lower surface of dividing plate.Air-inducing passage effectively extends the time that flue gas passes through, and make flue gas abundant in lower combustion chamber's combustion, meanwhile, hot air-inducing passage also can carry out second-time burning to the flue gas passed, and greatly reduces the content of combustible in flue gas.Its overall construction design is ingenious, reasonable, has taken into full account the links of flue gas generation, burning, repeatedly controls, repeatedly burns, be particularly suitable for carrying out consumer waste incineration use in rural area and some areas.The technical scheme of this invention is mainly body of heater to be divided into upper and lower two Burning Rooms, upper and lower two Room are separated by dividing plate, by offering conduction hole at dividing plate center, and in conduction hole, set up drainage tube carry out prolonging burning time, efficiently solve the problem that burning is insufficient, but its key is also igniting, this kind of incinerator due to Burning Room space larger, need in stove, keep higher temperature flue gas could be ignited, and the ignition temperature of flue gas self requires higher, need to pass into a large amount of combustion-supporting gases and fuel gas could reduce its point of ignition, this just causes the waste of the energy, though this invention effectively extends the burning time of flue gas in incinerator, but also reduce the efficiency of fume treatment simultaneously, the flue gas of large discharge cannot be processed, treatment effeciency is lower, still need to improve.
Summary of the invention
The present invention, for solving the deficiencies in the prior art, provides a kind for the treatment of effeciency high, can make flue gas Thorough combustion and make simple flue gas incineration furnace.
Key problem in technology of the present invention is the structure changing gas approach pipeline, become the assembled nozzle form of at least two pipeline sockets, ground floor center sleeve is smoke inlet pipe, outer layer sleeve is gas inlet pipe or compressed air hose, or combustion gas and be compressed-air actuatedly mixed into tracheae, the end sealing flange of outer layer sleeve offers qi-emitting hole, and lighted a fire by the igniter above assembled nozzle top, the combustible gas that outer layer sleeve is sprayed by qi-emitting hole is lighted and forms the intensive network of fire, the flue gas being carried out pipe by flue gas is carried out active combustion, what compressed air also sprayed by qi-emitting hole effectively mixes with flue gas, and can according to intake size adjustment flame size, control combustion degree, because gas approach is flue gas necessary channel, the partial fume existed in prior art is there will not be to burn insufficient problem, moreover the non-Thorough combustion of part molecule also may be there is again after primary combustion in big dust particle flue gas, but owing to improve flue gas own temperature after primary combustion, entering after in incinerator and preferably humidity can be filled with the mixing of a small amount of combustible gas, make it reach self-ignition point to burn voluntarily, meet the requirements for the treatment of effect, its concrete technical scheme is a kind of flue gas incineration furnace, comprise body of heater, body of heater bottom is provided with gas approach, upper end is provided with smoke evacuation outlet, it is characterized in that described gas approach is provided with the assembled nozzle that body of heater chamber is stretched in one end, described assembled nozzle is made up of at least two layers of sleeve pipe be from inside to outside socketed successively, ground floor center sleeve is smoke inlet pipe, outer layer sleeve lower end seals, top is provided with the burner flange for sealing, burner flange offers respectively around the distribution of the sleeve pipe center of circle and the cloth vent hole be communicated with outer layer sleeve, exit, described assembled nozzle top correspondence is provided with igniter.
As preferably, described assembled nozzle is from inside to outside made up of the two layers of sleeve pipe be socketed successively, and second layer sleeve pipe is combustion gas and is compressed-air actuatedly mixed into tracheae.
As preferably, described assembled nozzle is from inside to outside made up of the three layers of sleeve pipe be socketed successively, and second layer sleeve pipe is gas inlet pipe, and third layer sleeve pipe is compressed air inlet pipe.
As preferably, described assembled nozzle is from inside to outside made up of the three layers of sleeve pipe be socketed successively, and second layer sleeve pipe is compressed air inlet pipe, and third layer sleeve pipe is gas inlet pipe.
Preferred as above-mentioned two or three schemes, described cloth vent hole is obliquely installed to the sleeve pipe center of circle, and the angle of inclination being communicated with compressed air inlet pipe is greater than the angle of inclination being communicated with gas inlet pipe.Flame can be made to form the radial taper network of fire in Ge Xiang center by this kind of setting, improve firing efficiency, by the difference at angle of inclination, light with flame contact again after flue gas can be made to mix with compressed air one step ahead, improve the efficiency of lighting.
As preferably, described body of heater is provided with at least one and mends wind blower fan connection body of heater inner chamber.The firing efficiency of flue gas can be improved by this kind of setting.
As preferably, described smoke evacuation outlet is provided with flue gas and detaches pump.Have to pass through the burning network of fire because flue gas enters gas approach, the network of fire can produce certain upwards resistance, reduces the flow rate effect treatment effeciency of flue gas, detaching blower fan and makes flue gas produce the difference that upwards pressure, effectively preventing flue gas from being stopped by the network of fire by arranging flue gas.
Beneficial effect of the present invention: the present invention, by changing burning mode, substantially increases and burns abundant degree, improve treatment effeciency, and make simple, cost is lower.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the structural representation of embodiment 1 or 2 assembled nozzle.
Fig. 4 is the A direction view of Fig. 3.
Fig. 5 is the structural representation of the embodiment of the present invention 3.
Fig. 6 is the structural representation of embodiment 2.
Detailed description of the invention
Embodiment 1: a kind of flue gas incineration furnace, comprise body of heater 001, body of heater 001 bottom is provided with gas approach 002, upper end is provided with smoke evacuation outlet 003, described gas approach 002 is provided with the assembled nozzle 004 that body of heater chamber is stretched in one end, described assembled nozzle 004 is from inside to outside made up of the three layers of sleeve pipe be socketed successively, ground floor sleeve pipe 041 is smoke inlet pipe, second layer sleeve pipe 042 is gas inlet pipe, third layer sleeve pipe 043 is compressed air inlet pipe, described second, three sleeve pipes (042, 043) lower end sealing, top is provided with the burner flange 005 for sealing, burner flange 005 offers respectively around the distribution of the sleeve pipe center of circle and with the 2 042 or the 3rd cloth vent hole 051 of being communicated with of sleeve pipe 043, exit, described assembled nozzle 004 top correspondence is provided with igniter 006, described cloth vent hole 051 is obliquely installed to the sleeve pipe center of circle, the angle of inclination being communicated with gas inlet pipe is greater than the angle of inclination being communicated with compressed air inlet pipe.Described body of heater 001 is provided with a benefit wind blower fan 007 and is communicated with body of heater 001 inner chamber, described smoke evacuation outlet 003 is provided with flue gas and detaches pump 008.
Embodiment 2: with reference to embodiment 1, described assembled nozzle 004 is from inside to outside made up of the three layers of sleeve pipe be socketed successively, and second layer sleeve pipe 042 is compressed air inlet pipe, and third layer sleeve pipe 043 is gas inlet pipe.
Embodiment 3: with reference to embodiment 1, described assembled nozzle 004 is from inside to outside made up of the two layers of sleeve pipe be socketed successively, and second layer sleeve pipe 042 is for combustion gas and be compressed-air actuatedly mixed into tracheae.
Claims (7)
1. a flue gas incineration furnace, comprise body of heater, body of heater bottom is provided with gas approach, upper end is provided with smoke evacuation outlet, it is characterized in that described gas approach is provided with the assembled nozzle that body of heater chamber is stretched in one end, described assembled nozzle is made up of the two layers of sleeve pipe be from inside to outside socketed successively, ground floor center sleeve is smoke inlet pipe, second layer sleeve pipe is combustion gas and is compressed-air actuatedly mixed into tracheae, second layer its lower end seals, top is provided with the burner flange for sealing, burner flange offers respectively around the distribution of the sleeve pipe center of circle and the cloth vent hole be communicated with outer layer sleeve, exit, described assembled nozzle top correspondence is provided with igniter.
2. a kind of flue gas incineration furnace according to claim 1, is characterized in that described body of heater being provided with at least one mends wind blower fan connection body of heater inner chamber.
3. a kind of flue gas incineration furnace according to claim 1, is characterized in that described smoke evacuation outlet is provided with flue gas detaches blower fan.
4. a flue gas incineration furnace, comprise body of heater, body of heater bottom is provided with gas approach, upper end is provided with smoke evacuation outlet, it is characterized in that described gas approach is provided with the assembled nozzle that body of heater chamber is stretched in one end, from inside to outside be made up of the three layers of sleeve pipe be socketed successively, second layer sleeve pipe is gas inlet pipe and third layer sleeve pipe is compressed air inlet pipe, or second layer sleeve pipe is compressed air inlet pipe and third layer sleeve pipe is gas inlet pipe, the described second layer and the sealing of third layer its lower end, top is provided with the burner flange for sealing, burner flange offers respectively around the distribution of the sleeve pipe center of circle and the cloth vent hole be communicated with outer layer sleeve, exit, described assembled nozzle top correspondence is provided with igniter.
5. a kind of flue gas incineration furnace according to claim 4, is characterized in that described cloth vent hole is obliquely installed to the sleeve pipe center of circle, and the angle of inclination being communicated with compressed air inlet pipe is greater than the angle of inclination being communicated with gas inlet pipe.
6. a kind of flue gas incineration furnace according to claim 4 or 5, is characterized in that described body of heater being provided with at least one mends wind blower fan connection body of heater inner chamber.
7. a kind of flue gas incineration furnace according to claim 4 or 5, is characterized in that described smoke evacuation outlet is provided with flue gas detaches blower fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310183090.8A CN103277804B (en) | 2013-05-17 | 2013-05-17 | Flue gas incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310183090.8A CN103277804B (en) | 2013-05-17 | 2013-05-17 | Flue gas incinerator |
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| Publication Number | Publication Date |
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| CN103277804A CN103277804A (en) | 2013-09-04 |
| CN103277804B true CN103277804B (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310183090.8A Active CN103277804B (en) | 2013-05-17 | 2013-05-17 | Flue gas incinerator |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2252908A1 (en) * | 1998-11-05 | 2000-05-05 | Leo Carriere | Gas incinerator |
| CN2926832Y (en) * | 2006-04-29 | 2007-07-25 | 中国石油化工股份有限公司 | Waste-gas gun for incinerator |
| CN101644434A (en) * | 2008-08-05 | 2010-02-10 | 洛阳瑞昌石油化工设备有限公司 | Burner of tail gas burning furnace of sulfur recovery device |
| CN202132958U (en) * | 2011-06-03 | 2012-02-01 | 王兴文 | Burner brick at burner part of exhaust burning hot air furnace |
| CN202598516U (en) * | 2012-05-29 | 2012-12-12 | 天华化工机械及自动化研究设计院 | Air classification gas burner for achieving low nitrogen oxide (NOx) discharge at bottom of cracking furnace |
| CN203286576U (en) * | 2013-05-17 | 2013-11-13 | 江苏奥能耐火材料有限公司 | Flue gas incinerator |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4441235A1 (en) * | 1994-11-19 | 1996-05-23 | Abb Management Ag | Combustion chamber with multi-stage combustion |
| CN2457467Y (en) * | 2000-12-26 | 2001-10-31 | 湖南华菱管线股份有限公司涟钢事业部 | Heat storage burner |
| CN1194191C (en) * | 2003-07-24 | 2005-03-23 | 上海交通大学 | Natural gas re-burning nozzle for coal boiler |
-
2013
- 2013-05-17 CN CN201310183090.8A patent/CN103277804B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2252908A1 (en) * | 1998-11-05 | 2000-05-05 | Leo Carriere | Gas incinerator |
| CN2926832Y (en) * | 2006-04-29 | 2007-07-25 | 中国石油化工股份有限公司 | Waste-gas gun for incinerator |
| CN101644434A (en) * | 2008-08-05 | 2010-02-10 | 洛阳瑞昌石油化工设备有限公司 | Burner of tail gas burning furnace of sulfur recovery device |
| CN202132958U (en) * | 2011-06-03 | 2012-02-01 | 王兴文 | Burner brick at burner part of exhaust burning hot air furnace |
| CN202598516U (en) * | 2012-05-29 | 2012-12-12 | 天华化工机械及自动化研究设计院 | Air classification gas burner for achieving low nitrogen oxide (NOx) discharge at bottom of cracking furnace |
| CN203286576U (en) * | 2013-05-17 | 2013-11-13 | 江苏奥能耐火材料有限公司 | Flue gas incinerator |
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| CN103277804A (en) | 2013-09-04 |
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