CN202813398U - Low complementary combustion volume flue gas constant-speed fractional reaction efficient thermal oxidation furnace - Google Patents

Low complementary combustion volume flue gas constant-speed fractional reaction efficient thermal oxidation furnace Download PDF

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Publication number
CN202813398U
CN202813398U CN201220447700.1U CN201220447700U CN202813398U CN 202813398 U CN202813398 U CN 202813398U CN 201220447700 U CN201220447700 U CN 201220447700U CN 202813398 U CN202813398 U CN 202813398U
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China
Prior art keywords
waste gas
burning zone
distributing pipe
thermal oxidation
flue gas
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CN201220447700.1U
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马晓阳
赵继文
王伟
吕凤
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Luoyang Ruichang Environmental Engineering Co ltd
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Luoyang Ruichang Petro Chemical Equipment Co Ltd
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Abstract

The utility model relates to a thermal oxidation waste decomposition technique, in particular to a low complementary combustion volume flue gas constant-speed fractional reaction efficient thermal oxidation furnace which comprises a furnace body and a burner (1), wherein the burner (1) arranged at the front end of the furnace body is provided with a combustion air inlet (1.1); the furnace body comprises a combustion section (2) and a plurality of stages of thermal oxidation sections; the combustion section (2) is provided with a waste gas inlet (2.1); the stages of thermal oxidation sections are respectively provided with a waste gas inlet, a first stage air inlet and a second stage air inlet, wherein the waste gas inlets are arranged between the first stage air inlets and the second stage air inlets; the waste gas of the combustion section, the waste gas of the stages of thermal oxidation sections and the air enter the furnace body at the included angle of 20-60 degrees with the axis of the furnace body; and the flue gas in the combustion section and the flue gas in the stages of thermal oxidation sections have the same flow speed. The low complementary combustion volume flue gas constant-speed fractional reaction efficient thermal oxidation furnace has the characteristics of being high in combustion stability, less in higher calorific value fuel mixing quantity, simple and reliable in structure, stable and full in thermal oxidation, high in heat efficiency, convenient to operate and low in cost.

Description

A kind of low afterburning amount flue gas constant speed fractional order reaction High Efficiency Thermal oxidation furnace
Technical field
The utility model relates to the thermal oxidation of waste decomposition technique, is specifically related to a kind of low afterburning amount flue gas constant speed fractional order reaction High Efficiency Thermal oxidation furnace, is used for petroleum refining, Chemical Manufacture, the High Efficiency Thermal oxidation Decomposition aspect of coal deep processing industry, waste gas.
Background technology
In petroleum refining, Chemical Manufacture, contain poisonous and harmful element in the waste gas of the super-low calorific value that produces in the industrial processes of coal deep processing industry.Directly drain, not only wasted energy but also contaminated environment.In order to realize the minimizing atmosphere pollution of safety dumping.Need to carry out thermal oxidative reaction to waste gas.Poisonous and harmful composition in the waste gas is decomposed into low toxicity or nontoxic composition.The hot flue gas that reaction produces can carry out waste heat recovery and reach energy-saving and cost-reducing purpose.Owing to the combustible component that waste gas is contained is few, calorific value is extremely low; Only rely on waste gas self to act as a fuel, igniting, steady combustion be difficulty very.In order to keep the sustainable burning of flame, need burner to utilize the fuel of high heating value to keep fire box temperature.Reach the temperature of the oxidable decomposition of refuse.But a large amount of low-calorie waste gas enters body of heater burner is produced greatly impact, causes that simultaneously fire box temperature has variation, very easily causes stove flame-out.
Thermal oxidation furnace needs one or more burner to utilize exotic fuels to participate in burning provides heat for stove; But it is higher to participate in the fewer economic benefit of burning exotic fuels.The traditional hot oxidation furnace is in order to guarantee the flame holding of burner, and the thermic load that burner provides is greater than stove total load 26%.It is very limited that the advanced combustion technology of dependence reduces the ability of mixing the burning exotic fuels.In order to improve the stability of thermal oxidation furnace.Further reduce the ratio of mixing different substances together of exotic fuels.With a large amount of super-low calorific value waste gas be used good economic and social benefit therefore develop a kind of novel, integrated-type, simple and reliable for structure, thermal oxide is stable fully, thermal efficiency High Efficiency Thermal oxidation furnace high, convenient operation has very important realistic meaning.
The utility model content
In order to overcome the deficiencies in the prior art, the utility model discloses a kind of low afterburning amount flue gas constant speed fractional order reaction High Efficiency Thermal oxidation furnace, it is strong to make it have combustion stability, mixes different substances together that exotic fuels are few, simple and reliable for structure, thermal oxide is stable fully, the thermal efficiency is high, convenient operation, characteristics that cost is low.
For realizing above-mentioned utility model purpose, the utility model adopts following technical scheme:
A kind of low afterburning amount flue gas constant speed fractional order reaction High Efficiency Thermal oxidation furnace, described thermal oxidation furnace includes body of heater and burner, and described burner is arranged on the front end of body of heater, has independently combustion air entrance on the described burner; Described body of heater includes and adopts exotic fuels and the mixed combustion of combustion air peroxide to produce the burning zone of high-temperature flue gas and the Multi-stage heat oxidation panel that decomposes in order to waste gas is progressively carried out thermal oxide; Described burning zone has exhaust gas inlet, and the waste gas of burning zone is 20 °~60 ° angle with the axis with body of heater and enters body of heater; Multistage described thermal oxide Duan Jun has exhaust gas entrance, main air entrance and secondary air entrance; The exhaust gas entrance of thermal oxide section is between main air entrance and secondary air entrance; The waste gas of Multi-stage heat oxidation panel and air all are 20 °~60 ° angle with the axis with body of heater and enter body of heater; The flow velocity of flue gas equates in burning zone, the Multi-stage heat oxidation panel, and the flow rates of flue gas is 10 m/s~15m/s; The fire box temperature of the fire box temperature of burning zone, Multi-stage heat oxidation panel is successively decreased step by step; The amount of allocating into of air and waste gas is also successively decreased step by step in burning zone, the Multi-stage heat oxidation panel; The peroxide amount is successively decreased step by step in burning zone, the Multi-stage heat oxidation panel.
High-temperature flue gas is not less than 0.5s in the reaction time of burning zone, and the temperature of burning zone burner hearth is 1200 ℃~1400 ℃, and the outlet temperature of flue-gas temperature flue gas behind the Multi-stage heat oxidation panel is 950 ℃~850 ℃.
Corresponding described exhaust gas inlet arranges burning zone waste gas gather qi together chamber, and described burning zone waste gas gather qi together chamber is connected with burning zone by burning zone waste gas distributing pipe; Described burning zone waste gas distributing pipe is a row or multi-row along the circle distribution of burning zone, and the axis of the axis of described burning zone waste gas distributing pipe and thermal oxidation furnace is 20 °~60 ° angle.
The exhaust gas entrance of corresponding every one-level thermal oxide section arranges waste gas gather qi together chamber; Described waste gas gather qi together chamber is connected with the thermal oxide section of this grade by the waste gas distributing pipe; Described waste gas distributing pipe is a row or multi-row along the circle distribution of burning zone, and the axis of the axis of described waste gas distributing pipe and thermal oxidation furnace is 20 °~60 ° angle;
The main air entrance of corresponding every one-level thermal oxide section arranges main air gather qi together chamber; Described main air gather qi together chamber is connected with the thermal oxide section of this grade by the primary air distributing pipe; Described primary air distributing pipe is a row or multi-row along the circle distribution of burning zone, and the axis of the axis of described primary air distributing pipe and thermal oxidation furnace is 20 °~60 ° angle.
The secondary air entrance of corresponding every one-level thermal oxide section arranges secondary air gather qi together chamber; Described secondary air gather qi together chamber is connected with the thermal oxide section of this grade by the auxiliary air distributing pipe; Described auxiliary air distributing pipe is a row or multi-row along the circle distribution of burning zone, and the axis of the axis of described primary air distributing pipe and thermal oxidation furnace is 20 °~60 ° angle.
The primary air distributing pipe of every one-level thermal oxide section and auxiliary air distributing pipe are positioned at the both sides of waste gas distributing pipe.
Corresponding described burning zone, Multi-stage heat oxidation panel arrange respectively thermocouple.
Described fuel device has fuel oil entrance, the import of exotic fuels gas, igniter fuel device entrance, electric igniter mouth, igniting air intake and atomizing steam entrance.
The utility model has following beneficial effect owing to adopted as mentioned above technical scheme:
1, the burner exotic fuels are set up the independent burning section, and it is more stable to burn, more fuel saving consumption;
2, adopt unique low calorific value waste gas subregion, burning zone structural design stage by stage, so that becoming stepped, oxidate temperature successively decreases, guaranteed the even of the interior temperature field of burner hearth, velocity field, avoid waste gas and air part to enter in a large number and cause that oxidate temperature sharply changes, air-flow impacting flame intensely, the phenomenon such as cause flame instability even extinguish.
3, every one-level thermal oxide section, air sprays into respectively burner hearth in the both sides of waste gas, has namely strengthened the contact area of waste gas and air, has improved the abundant degree of reaction, can avoid again the tempering phenomenon under the running on the lower load.The turbulent mixture degree can corresponding shortening flue gas the time of staying.The manufacturing cost of reduction equipment.
4, every one-level thermal oxide section waste gas and air spray into burner hearth with certain angle respectively, avoid air-flow to the direct impact of flame, have strengthened the stability of thermal oxide, avoid simultaneously hyperthermia radiation on the impact in gather qi together chamber.
5, flue gas constant speed design in each section burner hearth.So that the pressure drop of each section air-flow is even.Do not produce local eddy currents, make burner hearth each several part response intensity speed more even.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the utility model side view.
Among the figure: 1, burner, 2, burning zone, 3, primary air gather qi together chamber I, 4, waste gas gather qi together chamber I, 5, auxiliary air gather qi together chamber I, 6, one-level thermal oxide section, 7, primary air gather qi together chamber II, 8, waste gas gather qi together chamber II, 9, auxiliary air gather qi together chamber II, 10, secondary thermal oxide section, 11, primary air gather qi together chamber III, 12, waste gas gather qi together chamber III, 13, auxiliary air gather qi together chamber III, 14, three grades of thermal oxide sections, 15, burning zone waste gas distributing pipe, 16, insulated lining, 17, refractory liner, 18, housing, 19, primary air distributing pipe I, 20, waste gas distributing pipe I, 21, auxiliary air distributing pipe I, 22, primary air distributing pipe II, 23, waste gas distributing pipe II, 24, auxiliary air distributing pipe II, 25, primary air distributing pipe III, 26, waste gas distributing pipe III, 27, the air distribution III, 28, burning zone waste gas gather qi together chamber, 29, thermocouple.
Each mouth of pipe among the figure: 1.1, the combustion air entrance, 2.1, exhaust gas inlet, 2.2, manhole, 4.1, primary air entrance I, 4.2, auxiliary air entrance I, 5.1, the exhaust gas entrance I, 4.3, primary air entrance II, 5.2 the exhaust gas entrance II, 4.4, auxiliary air entrance II, 4.5, primary air entrance III, 5.3, the exhaust gas entrance III, 4.6, auxiliary air entrance III, 1.2 exotic fuels gas entrances, 1.3 fuel oil entrances, 1.4, igniter fuel gas entrance, 1.5, the electric igniter mouth, 1.6, the igniting air intake, 1.7, the atomizing steam entrance, 1.8, peephole, 1.9, the fire verify, 1.10, the condensate drain mouth, 1.11, exhanst gas outlet.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described:
As shown in Figure 1 and Figure 2, a kind of low afterburning amount flue gas constant speed fractional order reaction High Efficiency Thermal oxidation furnace, described thermal oxidation furnace includes body of heater and burner 1, and described burner 1 is arranged on the front end of body of heater, has independently combustion air entrance 1.1 on the described burner 1; Described body of heater includes and adopts exotic fuels and the mixed combustion of combustion air peroxide to produce the burning zone 2 of high-temperature flue gas and the Multi-stage heat oxidation panel that decomposes in order to waste gas is progressively carried out thermal oxide; Among this embodiment, described thermal oxide Duan Weisan level, i.e. one-level thermal oxide section 6, secondary thermal oxide section 10 and three grades of thermal oxide sections 14; Described burning zone 2 has exhaust gas inlet 2.1, and the waste gas of burning zone is 20 °~60 ° angle with the axis with body of heater and enters body of heater; The waste gas of burning zone adopts at body of heater and the gather qi together chamber is set and some injection equipments that is uniformly distributed along the circumference the spray distribution pipe spray into body of heater with waste gas, and namely corresponding described exhaust gas inlet 2.1 arranges burning zone waste gas gather qi together chamber 28, described burning zone waste gas gather qi together chamber 28 and is connected with burning zone 2 by burning zone waste gas distributing pipe 15 on described body of heater; Burning zone waste gas distributing pipe 15 is a circumferential row, and the axis of the axis of described burning zone waste gas distributing pipe 15 and thermal oxidation furnace is 20 °~60 ° angle; Three grades of thermal oxide sections have exhaust gas entrance, main air entrance and secondary air entrance; The exhaust gas entrance of thermal oxide section is between main air entrance and secondary air entrance; The waste gas of three grades of thermal oxide sections and air all are 20 °~60 ° angle with the axis with body of heater and enter body of heater; The flow velocity of burning zone, three grades of interior flue gases of thermal oxide section equates that the flow rates of flue gas is 10 m/s~15m/s; High-temperature flue gas is not less than 0.5s in the reaction time of burning zone, the temperature of burning zone burner hearth is 1200 ℃~1400 ℃, the reaction time of flue gas in one-level thermal oxide section is 0.3~0.5s, the temperature of one-level thermal oxide section burner hearth is 1200 ℃~1000 ℃, the reaction time of flue gas in secondary thermal oxide section is 0.3~0.5s, the temperature of one-level thermal oxide section burner hearth is 1000 ℃~950 ℃, the reaction time of flue gas in three grades of thermal oxide sections is 0.7~1s, the temperature of one-level thermal oxide section burner hearth is 950 ℃~900 ℃, and the outlet temperature of flue-gas temperature flue gas after three grades of thermal oxide sections is 950 ℃~850 ℃; The amount of allocating into of air and waste gas is also successively decreased step by step in burning zone, the Multi-stage heat oxidation panel; The peroxide amount is successively decreased step by step in burning zone, the Multi-stage heat oxidation panel.
The bottom of the primary air entrance I 4.1 of described one-level thermal oxide section 6, auxiliary air entrance I 4.2, exhaust gas entrance I 5.1 arranges primary air gather qi together chamber I 3, auxiliary air gather qi together chamber I 5, waste gas gather qi together chamber I 4, and described primary air gather qi together chamber I 3 is connected with one-level thermal oxide section 6 by primary air distributing pipe I 19; Described auxiliary air gather qi together chamber I 5 is connected with one-level thermal oxide section 6 by auxiliary air distributing pipe I 21; Described waste gas gather qi together chamber I 4 is connected with one-level thermal oxide section 6 by waste gas distributing pipe I 20; Described primary air distributing pipe I 19, auxiliary air distributing pipe I 21 are a circumferential row, described waste gas distributing pipe I 20 is between primary air distributing pipe I 19 and auxiliary air distributing pipe I 21, and two rows of described waste gas distributing pipe I 20 for being uniformly distributed along the circumference; The axis of described primary air distributing pipe I 19, auxiliary air distributing pipe I 21, waste gas distributing pipe I 20 and the axis of thermal oxidation furnace are 20 °~60 ° angle, the form that sprays into waste gas and air has adopted annular gather qi together chamber and some spray distribution pipes has been set on the body of heater, so that the air-flow that sprays in the burner hearth evenly distributes, strengthened the mixing uniformity of air and combustion medium; Waste gas and air spray into burner hearth with certain angle respectively, avoid air-flow to the direct impact of flame, have strengthened the stability of thermal oxide, avoid simultaneously hyperthermia radiation on the impact in gather qi together chamber.
The bottom of the primary air entrance II 4.3 of described secondary thermal oxide section 10, auxiliary air entrance II 4.4, exhaust gas entrance II 5.2 arranges primary air gather qi together chamber II 7, auxiliary air gather qi together chamber II 9, waste gas gather qi together chamber II 8, and described primary air gather qi together chamber II 7 is connected with secondary thermal oxide section 10 by primary air distributing pipe II 22; Described auxiliary air gather qi together chamber II 9 is connected with secondary thermal oxide section 10 by auxiliary air distributing pipe II 24; Described waste gas gather qi together chamber II 8 is connected with secondary thermal oxide section 10 by waste gas distributing pipe II 23; Described primary air distributing pipe II, auxiliary air distributing pipe II are a circumferential row, described waste gas distributing pipe II 23 is between primary air distributing pipe II 22 and auxiliary air distributing pipe II 24, and two rows of described waste gas distributing pipe II 23 for being uniformly distributed along the circumference; The axis of described primary air distributing pipe II 22, auxiliary air distributing pipe II 24, waste gas distributing pipe II 23 and the axis of thermal oxidation furnace are 20 °~60 ° angle.
The bottom of the primary air entrance III 4.5 of described three grades of thermal oxide sections 14, auxiliary air entrance III 4.6, exhaust gas entrance III 5.3 arranges primary air gather qi together chamber III 11, auxiliary air gather qi together chamber III 13, waste gas gather qi together chamber III 12, and described primary air gather qi together chamber III 11 is connected with three grades of thermal oxide sections 14 by primary air distributing pipe III 25; Described auxiliary air gather qi together chamber III 13 is connected with three grades of thermal oxide sections 14 by auxiliary air distributing pipe III 27; Described waste gas gather qi together chamber III 12 is connected with three grades of thermal oxide sections 14 by waste gas distributing pipe III 26; Described primary air distributing pipe III 25, auxiliary air distributing pipe III 27 are a circumferential row, described waste gas distributing pipe III 26 is between primary air distributing pipe III 25 and auxiliary air distributing pipe III 27, and two rows of described waste gas distributing pipe III 26 for being uniformly distributed along the circumference; The axis of described primary air distributing pipe III 24, auxiliary air distributing pipe III 27, waste gas distributing pipe III 26 and the axis of thermal oxidation furnace are 20 °~60 ° angle.
Corresponding described burning zone, Multi-stage heat oxidation panel arrange respectively thermocouple 29.
Described fuel device has exotic fuels gas entrance 1.2, fuel oil entrance 1.3, igniter fuel gas entrance 1.4, electric igniter mouth 1.5, igniting air intake 1.6 and atomizing steam entrance 1.7.
Have peephole 1.8, fiery verify 1.9 and condensate drain mouth 1.10 on the described thermal oxidation furnace.
Has manhole on the described burning zone, convenient maintenance thermal oxidation furnace.
Utilize above-mentioned thermal oxidation furnace to hang down the combustion method of afterburning amount flue gas, adopt sectional combustion, its concrete steps are as follows:
A, exotic fuels burning zone: adopt fuel oil or fuel gas fuel oil and the mixed combustion of combustion air peroxide of high heating value by burner; Produce 1200 ℃~1400 ℃ high-temperature flue gas; Then high-temperature flue gas enters burning zone, and burning zone waste gas enters burning zone waste gas gather qi together chamber 28 by burning zone exhaust gas entrance 2.1; The burning zone waste gas distributing pipes 15 that are 20~60 degree by branched and thermal oxidation furnace axis evenly spray into burning zone 2, participate in burning; Temperature in the time of staying 〉=0.5s of flue gas in burning zone, burning zone is 1200 ℃~1400 ℃; Flue gas flow rate is 10 m/s~15m/s; Guarantee successively fully smooth combustion of exotic fuels.
Flue gas in b, one-level thermal oxide section oxidation panel: the step a enters one-level thermal oxide section, and mixes, burns with waste gas, air in the one-level thermal oxide section; Air enters in the one-level thermal oxide section at twice, causes temperature rapid fluctuation in the stove to reduce disposable the allocating into of large quantity of air; Waste gas enters at two parts air and enters one-level thermal oxide section between the one-level thermal oxide section, and air and waste gas carry out proportion control according to equivalent reaction in the one-level thermal oxide section; Air sprays into respectively burner hearth in the both sides of waste gas, has namely strengthened the contact area of waste gas and air, has improved the abundant degree of reaction, can avoid again the tempering phenomenon under the running on the lower load; The turbulent mixture degree can corresponding shortening flue gas the time of staying; The manufacturing cost of reduction equipment; Temperature in the time of staying 0.3s~0.5s of flue gas in one-level thermal oxide section, burning zone is 1200 ℃~1000 ℃; Flue gas flow rate is 10 m/s~15m/s;
Flue gas in c, secondary thermal oxide section oxidation panel: the step b enters secondary thermal oxide section, and mixes, burns, thermal oxide with waste gas, air in the secondary thermal oxide section; Air enters in the secondary thermal oxide section at twice, can reduce disposable the allocating into of large quantity of air and cause temperature rapid fluctuation in the stove; Waste gas enters at two parts air and enters secondary thermal oxide section between the secondary thermal oxide section, and air and waste gas carry out proportion control according to equivalent reaction in the secondary thermal oxide section; Temperature in the time of staying 0.3s~0.5s of flue gas in secondary thermal oxide section, burning zone is 1000 ℃~950 ℃; Flue gas flow rate is 10 m/s~15m/s; Velocity of flue gas keeps equating with the first thermal oxide; Fire box temperature progressively reduces.
Flue gases in d, three grades of thermal oxide section oxidation panel: the step c enter three grades of thermal oxide sections, and mix, burn with waste gas, air in three grades of thermal oxide sections; Air enters in three grades of thermal oxide sections at twice, and waste gas enters at two parts air and enters three grades of thermal oxide sections between three grades of thermal oxide sections, and air and waste gas carry out proportion control according to equivalent reaction or inferior equivalent reaction in three grades of thermal oxide sections; Temperature in the time of staying 0.7s~1s of flue gas in three grades of thermal oxide sections, burning zone is 950 ℃~900 ℃; Flue gas flow rate is 10 m/s~15m/s;
The outlet of e, flue gas: flue gas is discharged from the exhanst gas outlet of three grades of thermal oxide sections, and the temperature of exhanst gas outlet is 950 ℃~850 ℃.
So-called equivalent reaction is exactly that the interior air capacity of one-level thermal oxide section just in time satisfies the needed air capacity of waste gas heat oxidation.Do not exist oxygen not enough or excessive; Inferior equivalent reaction is little oxygen debt reaction.
The thermal oxide section adopts peroxide amount (for the combustion air surplus capacity) thermal oxide of successively decreasing step by step, its peroxide amount is respectively burning zone〉one section of thermal oxide〉two sections of thermal oxides〉three sections of thermal oxides, the final peroxide amount of flue gas after three sections of the thermal oxides is about 2%, to improve the sufficient degree of waste gas heat oxidation.
According to flue-gas temperature and exhaust gas volumn in each section burner hearth, equate to determine the furnace diameter size according to each section flue gas flow rate.So that the pressure drop of each section air-flow is even.Do not produce local eddy currents, make burner hearth each several part response intensity speed more even.In order to avoid cause surge.
Because low calorific value waste gas, air classification segmentation spray into burner hearth, so that becoming stepped, oxidate temperature successively decreases, guaranteed like this even of the interior temperature field of burner hearth, velocity field, avoid waste gas and air part to enter in a large number and cause that oxidate temperature sharply changes, air-flow impacting flame intensely, finally cause flame instability even extinguish.
This thermal oxidation furnace is by strengthening limit ignition point and the control of smooth combustion point and the anti-interference protection of combustion-supporting flame of the every one-level thermal oxide of low heat value section, and classification multiple feed and flow-control guarantee that the thermograde of burner hearth changes evenly.

Claims (7)

1. one kind low afterburning amount flue gas constant speed fractional order reaction High Efficiency Thermal oxidation furnace, it is characterized in that: described thermal oxidation furnace includes body of heater and burner (1), described burner (1) is arranged on the front end of body of heater, has independently combustion air entrance (1.1) on the described burner (1); Described body of heater includes and adopts exotic fuels and the mixed combustion of combustion air peroxide to produce the burning zone (2) of high-temperature flue gas and the Multi-stage heat oxidation panel that decomposes in order to waste gas is progressively carried out thermal oxide; Described burning zone (2) has exhaust gas inlet (2.1), and the waste gas of burning zone is 20 °~60 ° angle with the axis with body of heater and enters body of heater; Multistage described thermal oxide Duan Jun has exhaust gas entrance, main air entrance and secondary air entrance; The exhaust gas entrance of thermal oxide section is between main air entrance and secondary air entrance; The waste gas of Multi-stage heat oxidation panel and air all are 20 °~60 ° angle with the axis with body of heater and enter body of heater; The flow velocity of flue gas equates in burning zone, the Multi-stage heat oxidation panel, and the flow rates of flue gas is 10 m/s~15m/s; The fire box temperature of the fire box temperature of burning zone, Multi-stage heat oxidation panel is successively decreased step by step; The amount of allocating into of air and waste gas is also successively decreased step by step in burning zone, the Multi-stage heat oxidation panel; The peroxide amount is successively decreased step by step in burning zone, the Multi-stage heat oxidation panel.
2. a kind of low afterburning amount flue gas constant speed fractional order reaction High Efficiency Thermal oxidation furnace according to claim 1, it is characterized in that: corresponding described exhaust gas inlet (2.1) arranges burning zone waste gas gather qi together chamber (28), and described burning zone waste gas gather qi together chamber (28) is connected with burning zone (2) by burning zone waste gas distributing pipe (15); Described burning zone waste gas distributing pipe (15) is a row or multi-row along the circle distribution of burning zone (2), and the axis of the axis of described burning zone waste gas distributing pipe (15) and thermal oxidation furnace is 20 °~60 ° angle.
3. a kind of low afterburning amount flue gas constant speed fractional order reaction High Efficiency Thermal oxidation furnace according to claim 1, it is characterized in that: the exhaust gas entrance of corresponding every one-level thermal oxide section arranges waste gas gather qi together chamber; Described waste gas gather qi together chamber is connected with the thermal oxide section of this grade by the waste gas distributing pipe; Described waste gas distributing pipe is along a row of the circle distribution of burning zone or two rows, and the axis of the axis of described waste gas distributing pipe and thermal oxidation furnace is 20 °~60 ° angle.
4. a kind of low afterburning amount flue gas constant speed fractional order reaction High Efficiency Thermal oxidation furnace according to claim 1, it is characterized in that: the main air entrance of corresponding every one-level thermal oxide section arranges main air gather qi together chamber; Described main air gather qi together chamber is connected with the thermal oxide section of this grade by the primary air distributing pipe; Described primary air distributing pipe is the row along the circle distribution of burning zone, and the axis of the axis of described primary air distributing pipe and thermal oxidation furnace is 20 °~60 ° angle.
5. a kind of low afterburning amount flue gas constant speed fractional order reaction High Efficiency Thermal oxidation furnace according to claim 1, it is characterized in that: the secondary air entrance of corresponding every one-level thermal oxide section arranges secondary air gather qi together chamber; Described secondary air gather qi together chamber is connected with the thermal oxide section of this grade by the auxiliary air distributing pipe; Described auxiliary air distributing pipe is the row along the circle distribution of burning zone, and the axis of the axis of described primary air distributing pipe and thermal oxidation furnace is 20 °~60 ° angle.
6. a kind of low afterburning amount flue gas constant speed fractional order reaction High Efficiency Thermal oxidation furnace according to claim 1, it is characterized in that: the primary air distributing pipe of every one-level thermal oxide section and auxiliary air distributing pipe are positioned at the both sides of waste gas distributing pipe.
7. a kind of low afterburning amount flue gas constant speed fractional order reaction High Efficiency Thermal oxidation furnace according to claim 1, it is characterized in that: high-temperature flue gas is not less than 0.5s in the reaction time of burning zone, the temperature of burning zone burner hearth is 1200 ℃~1400 ℃, and the outlet temperature of flue-gas temperature flue gas behind the Multi-stage heat oxidation panel is 950 ℃~850 ℃.
CN201220447700.1U 2012-09-05 2012-09-05 Low complementary combustion volume flue gas constant-speed fractional reaction efficient thermal oxidation furnace Expired - Lifetime CN202813398U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102798129A (en) * 2012-09-05 2012-11-28 洛阳瑞昌石油化工设备有限公司 Efficient thermal oxidation furnace for low afterburning-amount smoke constant-speed grading reaction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102798129A (en) * 2012-09-05 2012-11-28 洛阳瑞昌石油化工设备有限公司 Efficient thermal oxidation furnace for low afterburning-amount smoke constant-speed grading reaction
CN102798129B (en) * 2012-09-05 2014-12-24 洛阳瑞昌石油化工设备有限公司 Efficient thermal oxidation furnace for low afterburning-amount smoke constant-speed grading reaction

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