CN107894001A - A kind of special kind firing device of burning disposal higher boiling waste liquid and waste gas - Google Patents
A kind of special kind firing device of burning disposal higher boiling waste liquid and waste gas Download PDFInfo
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- CN107894001A CN107894001A CN201711143562.1A CN201711143562A CN107894001A CN 107894001 A CN107894001 A CN 107894001A CN 201711143562 A CN201711143562 A CN 201711143562A CN 107894001 A CN107894001 A CN 107894001A
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- waste liquid
- higher boiling
- waste
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- 239000007788 liquid Substances 0.000 title claims abstract description 132
- 239000002699 waste material Substances 0.000 title claims abstract description 119
- 239000002912 waste gas Substances 0.000 title claims abstract description 106
- 238000009835 boiling Methods 0.000 title claims abstract description 99
- 238000010304 firing Methods 0.000 title claims abstract description 31
- 238000002485 combustion reaction Methods 0.000 claims abstract description 96
- 238000009826 distribution Methods 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims description 42
- 239000007789 gas Substances 0.000 claims description 32
- 239000000567 combustion gas Substances 0.000 claims description 16
- 238000009825 accumulation Methods 0.000 claims description 13
- 238000000889 atomisation Methods 0.000 claims description 13
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 10
- 239000003546 flue gas Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000002737 fuel gas Substances 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 230000009897 systematic effect Effects 0.000 claims description 5
- 238000004939 coking Methods 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 230000000704 physical effect Effects 0.000 claims description 4
- 238000010992 reflux Methods 0.000 claims description 4
- 239000011819 refractory material Substances 0.000 claims description 4
- 230000006641 stabilisation Effects 0.000 claims description 4
- 238000011105 stabilization Methods 0.000 claims description 4
- 230000001464 adherent effect Effects 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 claims description 3
- 238000005336 cracking Methods 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract description 12
- 239000003513 alkali Substances 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 4
- 238000010344 co-firing Methods 0.000 abstract description 2
- 238000000354 decomposition reaction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 239000005416 organic matter Substances 0.000 abstract description 2
- 230000008520 organization Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical group ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 239000002920 hazardous waste Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- PCPYTNCQOSFKGG-UHFFFAOYSA-N 1-chlorobuta-1,3-diene Chemical compound ClC=CC=C PCPYTNCQOSFKGG-UHFFFAOYSA-N 0.000 description 1
- 125000001340 2-chloroethyl group Chemical group [H]C([H])(Cl)C([H])([H])* 0.000 description 1
- PPLLZKACNXYPMU-UHFFFAOYSA-N ClC1=C(C=CC=C1)C1=CCC1 Chemical compound ClC1=C(C=CC=C1)C1=CCC1 PPLLZKACNXYPMU-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009688 liquid atomisation Methods 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/04—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste liquors, e.g. sulfite liquors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention belongs to basic chemical industry technical field, and in particular to a kind of special kind firing device of burning disposal higher boiling waste liquid and waste gas.Burner of the present invention is made up of burner body and combustion chamber two parts；Its organization plan and staged air distribution burning theory are applied to the innoxious burning processing of chlor-alkali industry but the higher boiling waste liquid of not limited to this industry, realize the complete decomposition of organic matter in higher boiling waste liquid single fire or higher boiling waste liquid and waste gas During Co-firing, and low to greatest extent nitrogen oxides caused by incineration of waste process is cut down He bioxin, meets newest discharge standard.
Description
Technical field
The invention belongs to basic chemical industry technical field, and in particular to a kind of special type of burning disposal higher boiling waste liquid and waste gas
Burner.
Background technology
Chlor-alkali industry is basic chemical industry raw and semifinished materials industries, while falls within high energy consumption, high pollution, high risk industry, is related to
More key element environmental problems such as a class of pollutant, difficult degradation environmental accumulation material.With《GB15581-2016 caustic soda, polyvinyl chloride
Emission of industrial pollutants standard》Promulgation and implementation, the environmental protection pressure of chlor-alkali industry is increasingly severe, not only waste gas, it is more difficult to handles
Higher boiling waste liquid also can only by heating power burn be handled.
Because higher boiling waste liquid contains a small amount of solid impurity and a large amount of heavy constituent chlorides, boiling point is high, gasification is difficult and species
More, the design of selection and burner to combustion scheme is a larger technical barrier, and it is insufficient, rapid Waste liquid atomization often occur
The problems such as intensity of flow is poor, Flow and heat flux skewness, cause waste liquid to decompose completely, produce carbon black and nitrogen oxides and
Bioxin generation is more, can not qualified discharge.Higher boiling liquid waste incineration field is the no-man's-land of CHINESE INDUSTRIES upgrading at present, from
Main technology still belongs to blank.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of burning higher boiling waste liquid rational in infrastructure, working stability or height
The special kind firing device of boiling point waste liquid and waste gas multifuel combustion, the reasonable Arrangement of waste liquid, waste gas, and adjustment primary and secondary air can be passed through
Proportioning adjust flame profile, turbulence intensity, so as to realizing that the burning of higher boiling waste liquid or gas-liquid multifuel combustion is complete, and smoke evacuation reaches
Mark.
In order to realize this purpose, the present invention adopts the technical scheme that：
A kind of special kind firing device of burning disposal higher boiling waste liquid and waste gas, by burner body and combustion chamber two parts group
Into；
Burner body includes First air bellows, and First air bellows top is provided with First air entrance, First air inner bellows
A point air duct is provided with, it is described to divide air duct to be used to flow First air, avoid burning phenomenon partially；
Injection apparatus is set in First air bellows, the combustion-supporting combustion gas needed for incineration temperature and pending height are maintained for spraying
Boiling point waste liquid；
Burning torch, flame detector are arranged at burner body front end-plate, and burning torch uses regnition mode, first passed through
HVDC electric discharge point of ignition firelock small fire, then passes through burning torch small fire ignition burner big fire again；Flame detector is used for
Whether the small fire of detection burning torch ignites, and whether burner big fire is within safe range；
Burner body rear portion is provided with the combustion chamber communicated with First air bellows, and Inner Wall of Combustion Chamber lays refractory material,
Combustion chamber is the space that higher boiling waste liquid and waste gas carry out completely burned；
Combustor head sets accumulation of heat wall, and combustion-supporting combustion gas passes through radiation in the adherent burning of accumulation of heat wall surface, then accumulation of heat wall
Heat transfer transfers heat to higher boiling waste liquid, promotes carburation by evaporation, the cracking burning of waste liquid；
Combustion chamber top sets waste gas endless tube, and waste gas enters waste gas endless tube by exhaust gas entrance；
Combustion chamber top sets Secondary Air wind chamber, and Secondary Air enters Secondary Air wind chamber, Secondary Air wind by Secondary Air entrance
Chamber is provided with the Secondary Air runner communicated with combustion chamber cavity, and Secondary Air runner is distributed according to set angle in the geometry circle of contact, its
Geometry tangential circle diameter is Ф B；
Combustion chamber rear portion is provided with gear flame ringwall, gear flame ringwall be used for by part combustion flame be constrained in combustion chamber cavity it
It is interior, improve combustion chamber volume thermic load and strengthen turbulent combustion effect.
Further, a kind of special kind firing device of burning disposal higher boiling waste liquid and waste gas as described above, First air wind
The injection apparatus set in case is gas-liquid gun array, by gas-liquid gun array spray maintain incineration temperature needed for combustion-supporting combustion gas and
Pending higher boiling waste liquid.
Further, a kind of special kind firing device of burning disposal higher boiling waste liquid and waste gas as described above, gas-liquid combination
Rifle is made up of combustion-supporting gas gun and higher boiling waste liquid rifle, and combustion-supporting fuel gas inlet, higher boiling waste liquid rifle are provided with combustion-supporting gas gun
On be provided with higher boiling waste liquid entrance.
Further, a kind of special kind firing device of burning disposal higher boiling waste liquid and waste gas as described above, higher boiling give up
Liquid rifle selects one of following form of nozzle according to viscosity, the dregginess of waste liquid：Mechanical medium atomizer, interior mixed medium atomization spray
Mouth, outer mixed medium atomization nozzle, Y type medium atomization nozzles；Higher boiling waste liquid is sprayed into by burning chamber by higher boiling waste liquid rifle
Body and carry out oxidation burning with latter linked burner hearth.
Further, a kind of special kind firing device of burning disposal higher boiling waste liquid and waste gas as described above, gas-liquid combination
The end set flame holder of rifle, different choice axial-flow type flame holder, porous taper flame holder two of the flame holder according to combustion type
One of kind structure, for producing high temperature reflux flue gas, maintain flame stabilization burning.
Further, a kind of special kind firing device of burning disposal higher boiling waste liquid and waste gas as described above, when waste gas is
During gases at high pressure, waste gas enters waste gas endless tube and is provided with the Waste-gas gun communicated with combustion chamber cavity；Waste-gas gun is according to set angle
It is distributed in the circle of contact, its geometry circle of contact specification is Ф A；
When waste gas is low-pressure gas, waste gas enters waste gas endless tube and is provided with the through hole communicated with combustion chamber cavity；Waste gas
Through hole is distributed according to set angle in the circle of contact, and its geometry circle of contact specification is Ф A.
Further, a kind of special kind firing device of burning disposal higher boiling waste liquid and waste gas as described above, when waste gas is
During gases at high pressure, combustion chamber top is additionally provided with blending wind wind chamber, and blending wind enters blending wind wind chamber by blending wind entrance；Mix
Mixed wind wind chamber is provided with the distinguished and admirable road of blending communicated with combustion chamber cavity, and the distinguished and admirable road of the blending is internally provided with Waste-gas gun；Blending
The distribution in distinguished and admirable road and specification are identical with Waste-gas gun.
Further, a kind of special kind firing device of burning disposal higher boiling waste liquid and waste gas as described above, it is secondary distinguished and admirable
The position in road and the distinguished and admirable road of blending adjusts before and after being carried out according to the burning physical property of pending higher boiling waste liquid and waste gas, when blending wind
When runner is located at before Secondary Air runner, Ф A ＞ Ф B；When the distinguished and admirable road of blending is located at after Secondary Air runner, Ф A ＜ Ф B.
Further, a kind of special kind firing device of burning disposal higher boiling waste liquid and waste gas as described above, to two-part
Staged air distribution is controlled as follows：First air air quantity and higher boiling waste liquid flow, combustion-supporting gas quantity are adjusted in proportion, for meeting
The burning of combustion-supporting combustion gas and conduct root wind prevent higher boiling waste liquid reunion coking；The cigarette that Secondary Air air quantity passes through rear systematic survey
Gas oxygen content is adjusted, and Secondary Air circumferentially cuts at a high speed combustion chamber, strengthens the mixing combustion of waste liquid particulate, waste gas and combustion air
Burn effect.
The beneficial effects of the present invention are：Special kind firing device of the present invention using the accumulation of heat of accumulation of heat wall, two-part staged air distribution and
The technologies such as strong swirl flow combustion, by combustion-supporting combustion gas, higher boiling waste liquid, waste gas and combustion air in order, be sufficiently mixed, and formed at a high speed
Strong swirl flow combustion flame.In swirl flow combustion region, waste gas and Secondary Air enter from tangential, and pass through the combustion-supporting combustion of reasonable Arrangement
The combustion space of gas, waste gas and higher boiling waste liquid, avoids gas-liquid from tacking, and realizes being thoroughly mixed for waste gas, waste liquid and combustion air, production
Raw high stable state flame, and the completely burned in very short time, flame scope is small, can reach best combustion efficiency and maximum journey
The destruction rate of degree (is more than the growing amount pole of 99.999%) , bioxin and nitrogen oxides to the clearance of organic pollution in waste
It is low.
Brief description of the drawings
Fig. 1 is the front view of special kind firing device of the present invention；
Fig. 2 is the A-A profiles of special kind firing device of the present invention；
Fig. 3 is the B-B profiles of special kind firing device of the present invention.
In figure, (1) First air entrance, (2) First air bellows, (3) burning torch, (4) gas-liquid gun array (5) higher boiling waste liquid
Air duct, (9) flame holder, (10) refractory material, (11) accumulation of heat are divided in entrance, (6) flame detector, (7) combustion-supporting fuel gas inlet, (8)
Wall, (12) exhaust gas entrance, (13) waste gas endless tube, (14) Waste-gas gun, (15) blending wind entrance, (16) blending wind wind chamber, (17) are mixed
Mix distinguished and admirable road, (18) Secondary Air entrance, (19) Secondary Air wind chamber, (20) Secondary Air runner, (21) combustion chamber cavity, (22) gear flame
Ringwall.
Embodiment
Technical solution of the present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
As Figure 1-3, the special kind firing device of a kind of burning disposal higher boiling waste liquid of the present invention and waste gas, by burner sheet
Body and combustion chamber two parts composition；
Burner body includes First air bellows 2, and the top of First air bellows 2 is provided with First air entrance 1, First air bellows 2
Point air duct 8 is internally provided with, it is described to divide air duct to be used to flow First air, avoid burning phenomenon partially；
Injection apparatus is set in First air bellows 2, combustion-supporting combustion gas and pending needed for incineration temperature is maintained for spraying
Higher boiling waste liquid；
The injection apparatus set in First air bellows 2 is gas-liquid gun array 4, is sprayed by gas-liquid gun array 4 and maintains to burn
Combustion-supporting combustion gas and pending higher boiling waste liquid needed for temperature.Gas-liquid gun array 4 is by combustion-supporting gas gun and higher boiling waste liquid rifle group
Into being provided with combustion-supporting fuel gas inlet 7 on combustion-supporting gas gun, higher boiling waste liquid entrance 5 be provided with higher boiling waste liquid rifle.Higher boiling
Waste liquid rifle selects one of following form of nozzle according to viscosity, the dregginess of waste liquid：Mechanical medium atomizer, interior mixed medium atomization
Nozzle, outer mixed medium atomization nozzle, Y type medium atomization nozzles；Higher boiling waste liquid is sprayed into by combustion chamber by higher boiling waste liquid rifle
Cavity 21 and carry out oxidation burning with latter linked burner hearth.The end set flame holder 9 of gas-liquid gun array 4, flame holder 9 is according to combustion
One of two kinds of the different choice axial-flow type flame holder of burning form, porous taper flame holder structures, for producing high temperature reflux flue gas,
Maintain flame stabilization burning.
When waste gas is gases at high pressure, waste gas enters waste gas endless tube 13 and is provided with the Waste-gas gun communicated with combustion chamber cavity 21
14；Waste-gas gun 14 is distributed according to set angle in the circle of contact, and its geometry circle of contact specification is Ф A；Combustion chamber top is additionally provided with blending
Wind wind chamber 16, blending wind enter blending wind wind chamber 16 by blending wind entrance 15；Wind wind chamber 16 is blended to be provided with and chamber of burning
The distinguished and admirable road 17 of blending that body 21 communicates, the distinguished and admirable road 17 of the blending are internally provided with Waste-gas gun 14；Blend distinguished and admirable road 17 distribution and
Specification is identical with Waste-gas gun 14.
When waste gas is low-pressure gas, waste gas enters waste gas endless tube 13 and is provided with the through hole communicated with combustion chamber cavity 21；
Exhaust vent is distributed according to set angle in the circle of contact, and its geometry circle of contact specification is Ф A.The waste gas flow path being distributed in the circle of contact can be notable
The turbulence intensity of strengthen burning room.
Burning torch 3, flame detector 6 are arranged at burner body front end-plate, and burning torch 3 uses regnition mode, first
By HVDC electric discharge point of ignition firelock small fire, then pass through burning torch small fire ignition burner big fire again；Flame detector 6
For detecting whether the small fire of burning torch 3 ignites, and whether burner big fire is within safe range；
Burner body rear portion is provided with the combustion chamber communicated with First air bellows 2, Inner Wall of Combustion Chamber laying refractory material
10, combustion chamber is the space that higher boiling waste liquid and waste gas carry out completely burned；
Combustor head sets accumulation of heat wall 11, and combustion-supporting combustion gas is led in the adherent burning in the surface of accumulation of heat wall 11, then accumulation of heat wall 11
Overshoot heat transfer transfers heat to higher boiling waste liquid, promotes carburation by evaporation, the cracking burning of waste liquid；When treated waste is state
As defined in family during hazardous waste, combustion chamber incineration temperature is 1100 DEG C~1400 DEG C, especially when containing halogens in waste,
Combustion chamber incineration temperature is more than 1200 DEG C；When treated waste is not belonging to the hazardous waste of national regulation, combustion chamber is burned
Temperature is 1000 DEG C~1300 DEG C.
Combustion chamber top sets waste gas endless tube 13, and waste gas enters waste gas endless tube 13 by exhaust gas entrance 12；
Combustion chamber top sets Secondary Air wind chamber 19, and Secondary Air enters Secondary Air wind chamber 19 by Secondary Air entrance 18, and two
Secondary wind wind chamber 19 is provided with the Secondary Air runner 20 communicated with combustion chamber cavity 21, and Secondary Air runner 20 is according to set angle in several
What circle of contact distribution, its geometry tangential circle diameter is Ф B；Secondary Air mainly plays increase combustion chamber turbulence intensity, the effect of overheavy firing.
Combustion chamber rear portion is provided with gear flame ringwall 22, and gear flame ringwall 22 is used for part combustion flame being constrained in burning chamber
Within body 21, improve combustion chamber volume thermic load and strengthen turbulent combustion effect.
Secondary Air runner 20 and the position in distinguished and admirable road 17 is blended according to the burning physical property of pending higher boiling waste liquid and waste gas
Front and rear adjustment is carried out, when the distinguished and admirable road 17 of blending is located at Secondary Air runner 20 before, Ф A ＞ Ф B；It is located at when blending distinguished and admirable road 17
When after Secondary Air runner 20, Ф A ＜ Ф B.
Two-part staged air distribution is controlled as follows：First air air quantity and higher boiling waste liquid flow, combustion-supporting gas quantity are pressed
Proportion adjustment, for meeting the burning of combustion-supporting combustion gas and preventing higher boiling waste liquid reunion coking as root wind；Secondary Air air quantity
It is adjusted by the flue gas oxygen content of rear systematic survey, Secondary Air circumferentially cuts at a high speed combustion chamber, strengthens waste liquid particulate, gives up
The mixed combustion effect of gas and combustion air.
This burner uses air staged combustion technology, in operation, First air air quantity and higher boiling waste liquid flow,
Combustion-supporting gas quantity is adjusted in proportion, for meeting the burning of combustion-supporting combustion gas and preventing higher boiling waste liquid is reunited from tying as root wind
It is burnt.Secondary Air air quantity is adjusted by the flue gas oxygen content of rear systematic survey, and Secondary Air circumferentially cuts at a high speed combustion chamber, is added
The mixing of waste liquid particulate and combustion air after strong atomization, improve the turbulence intensity of combustion flame.
The present invention is further illustrated below by way of specific implementation case, there is provided the case is intended merely to understand conveniently, never
It is the limitation present invention.
Case introduction：The wet waste gas of caused higher boiling waste liquid, the dry waste gas of GWD, GWW uses in certain chlor-alkali industry production process
Burning mode is handled, and it is chloroform, the chloro-1,3-butadiene of Isosorbide-5-Nitrae-two, 1,3- bis- chloro- to be characterized in waste liquid main component
The high boiling substances such as 2- butylene, chlorobenzene, 2- chloroethyls benzene, the chloro- cyclobutenyl benzene of 2-, and contain a certain amount of solid impurity, viscosity is again
Greatly, it is more difficult to handle.Spy carries out burning disposal using burner of the present invention to higher boiling waste liquid and waste gas, and waste liquid uses compressed air
Rifle is mixed in atomization, is arranged in burner body central shaft；To meet more than 1200 DEG C of incineration temperature, helped using natural gas
Combustion；The dry waste gas of GWD and the wet waste gas of GWW circumferentially cut combustion chamber, overheavy firing effect in combustion chamber；Combustion air uses grade separation
Wind.Existing higher boiling waste liquid single fire operating mode in operation, also there is a higher boiling waste liquid and waste gas multifuel combustion operating mode, under multifuel combustion operating mode, burns
Major pollutants composition is as shown in table 1 in flue gas afterwards：
Pollutant component and discharge standard contrast in flue gas after table 1 burns
To sum up, the special kind firing device of a kind of burning disposal higher boiling waste liquid of the present invention and waste gas, more particularly to its outfit
Strong swirl combustion chamber and two-part staged air distribution burning theory, is adapted to burning disposal higher boiling waste liquid or higher boiling waste liquid and waste gas
Multifuel combustion operating mode.Organization plan and staged air distribution the burning theory of burner of the present invention are applied to chlor-alkali industry but not limited to this industry
Higher boiling waste liquid innoxious burning processing, realize in higher boiling waste liquid single fire or higher boiling waste liquid and waste gas During Co-firing
The complete decomposition of organic matter, and it is low to greatest extent cut down nitrogen oxides caused by incineration of waste process He bioxin, meet most
New discharge standard.
Claims (10)
- A kind of 1. special kind firing device of burning disposal higher boiling waste liquid and waste gas, it is characterised in that：It is made up of burner body and combustion chamber two parts；Burner body includes First air bellows (2), and First air bellows (2) top is provided with First air entrance (1), First air bellows (2) a point air duct (8) is internally provided with, it is described to divide air duct to be used to flow First air, avoid burning phenomenon partially；Injection apparatus is set in First air bellows (2), the combustion-supporting combustion gas needed for incineration temperature and pending height are maintained for spraying Boiling point waste liquid；Burning torch (3), flame detector (6) are arranged at burner body front end-plate, and burning torch (3) uses regnition mode, HVDC electric discharge point of ignition firelock small fire is first passed through, then passes through burning torch small fire ignition burner big fire again；Fire defector Whether the small fire that device (6) is used for detecting burning torch (3) ignites, and whether burner big fire is within safe range；Burner body rear portion is provided with the combustion chamber communicated with First air bellows (2), Inner Wall of Combustion Chamber laying refractory material (10), combustion chamber is the space that higher boiling waste liquid and waste gas carry out completely burned；Combustor head sets accumulation of heat wall (11), and combustion-supporting combustion gas is in the adherent burning in accumulation of heat wall (11) surface, then accumulation of heat wall (11) Higher boiling waste liquid is transferred heat to by radiant heat transfer, promotes carburation by evaporation, the cracking burning of waste liquid；Combustion chamber top sets waste gas endless tube (13), and waste gas enters waste gas endless tube (13) by exhaust gas entrance (12)；Combustion chamber top sets Secondary Air wind chamber (19), and Secondary Air enters Secondary Air wind chamber (19) by Secondary Air entrance (18), Secondary Air wind chamber (19) is provided with the Secondary Air runner (20) that is communicated with combustion chamber cavity (21), and Secondary Air runner (20) is according to setting Determine angle to be distributed in the geometry circle of contact, its geometry tangential circle diameter is Ф B；Combustion chamber rear portion is provided with gear flame ringwall (22), and gear flame ringwall (22) is used for part combustion flame being constrained in burning chamber Within body (21), improve combustion chamber volume thermic load and strengthen turbulent combustion effect.
- A kind of 2. special kind firing device of burning disposal higher boiling waste liquid and waste gas as claimed in claim 1, it is characterised in that：One The injection apparatus set in secondary wind bellows (2) is gas-liquid gun array (4), is sprayed by gas-liquid gun array (4) and maintains incineration temperature Required combustion-supporting combustion gas and pending higher boiling waste liquid.
- A kind of 3. special kind firing device of burning disposal higher boiling waste liquid and waste gas as claimed in claim 2, it is characterised in that：Gas Liquid gun array (4) is made up of combustion-supporting gas gun and higher boiling waste liquid rifle, and combustion-supporting fuel gas inlet (7) is provided with combustion-supporting gas gun, Higher boiling waste liquid entrance (5) is provided with higher boiling waste liquid rifle.
- A kind of 4. special kind firing device of burning disposal higher boiling waste liquid and waste gas as claimed in claim 3, it is characterised in that：It is high Boiling point waste liquid rifle selects one of following form of nozzle according to viscosity, the dregginess of waste liquid：Mechanical medium atomizer, interior mixed medium Atomizer, outer mixed medium atomization nozzle, Y type medium atomization nozzles；Higher boiling waste liquid is sprayed into by higher boiling waste liquid rifle and fired Burn chamber body (21) and carry out oxidation burning with latter linked burner hearth.
- A kind of 5. special kind firing device of burning disposal higher boiling waste liquid and waste gas as claimed in claim 2, it is characterised in that：Gas The end set flame holder (9) of liquid gun array (4), flame holder (9) is according to the different choice axial-flow type flame holder of combustion type, more One of two kinds of structures of hole taper flame holder, for producing high temperature reflux flue gas, maintain flame stabilization burning.
- A kind of 6. special kind firing device of burning disposal higher boiling waste liquid and waste gas as claimed in claim 1, it is characterised in that：When waste gas is gases at high pressure, waste gas enters waste gas endless tube (13) and is provided with the Waste-gas gun communicated with combustion chamber cavity (21) (14)；Waste-gas gun (14) is distributed according to set angle in the circle of contact, and its geometry circle of contact specification is Ф A；When waste gas is low-pressure gas, waste gas enters waste gas endless tube (13) and is provided with the through hole communicated with combustion chamber cavity (21)； Exhaust vent is distributed according to set angle in the circle of contact, and its geometry circle of contact specification is Ф A.
- A kind of 7. special kind firing device of burning disposal higher boiling waste liquid and waste gas as claimed in claim 6, it is characterised in that：When waste gas is gases at high pressure, combustion chamber top is additionally provided with blending wind wind chamber (16), and blending wind is by blending wind entrance (15) blending wind wind chamber (16) is entered；Blending wind wind chamber (16) is provided with the distinguished and admirable road of blending communicated with combustion chamber cavity (21) (17), the distinguished and admirable road of the blending (17) are internally provided with Waste-gas gun (14)；Blend distribution and specification and the Waste-gas gun in distinguished and admirable road (17) (14) it is identical.
- A kind of 8. special kind firing device of burning disposal higher boiling waste liquid and waste gas as claimed in claim 7, it is characterised in that：The position of Secondary Air runner (20) and the distinguished and admirable road (17) of blending is according to the burning physical property of pending higher boiling waste liquid and waste gas Front and rear adjustment is carried out, when the distinguished and admirable road (17) of blending is located at Secondary Air runner (20) before, Ф A ＞ Ф B；When the distinguished and admirable road of blending (17) when after Secondary Air runner (20), Ф A ＜ Ф B.
- A kind of 9. special kind firing device of burning disposal higher boiling waste liquid and waste gas as claimed in claim 1, it is characterised in that：Two-part staged air distribution is controlled as follows：First air air quantity and higher boiling waste liquid flow, combustion-supporting gas quantity are in proportion Regulation, for meeting the burning of combustion-supporting combustion gas and preventing higher boiling waste liquid reunion coking as root wind；Secondary Air air quantity passes through The flue gas oxygen content of systematic survey is adjusted afterwards, and Secondary Air circumferentially cuts at a high speed combustion chamber, strengthen waste liquid particulate, waste gas and The mixed combustion effect of combustion air.
- A kind of 10. special kind firing device of burning disposal higher boiling waste liquid and waste gas as claimed in claim 1, it is characterised in that： The injection apparatus set in First air bellows (2) is gas-liquid gun array (4), is sprayed by gas-liquid gun array (4) and maintains to burn temperature Combustion-supporting combustion gas and pending higher boiling waste liquid needed for degree；Gas-liquid gun array (4) is by combustion-supporting gas gun and higher boiling waste liquid rifle group Into being provided with combustion-supporting fuel gas inlet (7) on combustion-supporting gas gun, higher boiling waste liquid entrance (5) be provided with higher boiling waste liquid rifle；Higher boiling waste liquid rifle selects one of following form of nozzle according to viscosity, the dregginess of waste liquid：It is mechanical medium atomizer, interior Mixed medium atomization nozzle, outer mixed medium atomization nozzle, Y type medium atomization nozzles；By higher boiling waste liquid rifle by higher boiling waste liquid Spray into combustion chamber cavity (21) and carry out oxidation burning with latter linked burner hearth；The end set flame holder (9) of gas-liquid gun array (4), flame holder (9) are steady according to the different choice axial-flow type of combustion type One of two kinds of flame device, porous taper flame holder structures, for producing high temperature reflux flue gas, maintain flame stabilization burning；When waste gas is gases at high pressure, waste gas enters waste gas endless tube (13) and is provided with the Waste-gas gun communicated with combustion chamber cavity (21) (14)；Waste-gas gun (14) is distributed according to set angle in the circle of contact, and its geometry circle of contact specification is Ф A；Combustion chamber top is additionally provided with Wind wind chamber (16) is blended, blending wind enters blending wind wind chamber (16) by blending wind entrance (15)；Set on blending wind wind chamber (16) There is the distinguished and admirable road of blending (17) communicated with combustion chamber cavity (21), the distinguished and admirable road of the blending (17) is internally provided with Waste-gas gun (14)； Distribution and the specification for blending distinguished and admirable road (17) are identical with Waste-gas gun (14)；When waste gas is low-pressure gas, waste gas enters waste gas endless tube (13) and is provided with the through hole communicated with combustion chamber cavity (21)； Exhaust vent is distributed according to set angle in the circle of contact, and its geometry circle of contact specification is Ф A；The position of Secondary Air runner (20) and the distinguished and admirable road (17) of blending is according to the burning physical property of pending higher boiling waste liquid and waste gas Front and rear adjustment is carried out, when the distinguished and admirable road (17) of blending is located at Secondary Air runner (20) before, Ф A ＞ Ф B；When the distinguished and admirable road of blending (17) when after Secondary Air runner (20), Ф A ＜ Ф B；Two-part staged air distribution is controlled as follows：First air air quantity and higher boiling waste liquid flow, combustion-supporting gas quantity are in proportion Regulation, for meeting the burning of combustion-supporting combustion gas and preventing higher boiling waste liquid reunion coking as root wind；Secondary Air air quantity passes through The flue gas oxygen content of systematic survey is adjusted afterwards, and Secondary Air circumferentially cuts at a high speed combustion chamber, strengthen waste liquid particulate, waste gas and The mixed combustion effect of combustion air.
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| CN201711143562.1A CN107894001B (en) | 2017-11-17 | 2017-11-17 | Special burner for incinerating high boiling point waste liquid and waste gas |
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| CN201711143562.1A CN107894001B (en) | 2017-11-17 | 2017-11-17 | Special burner for incinerating high boiling point waste liquid and waste gas |
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| CN107894001A true CN107894001A (en) | 2018-04-10 |
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| CN107894001B (en) | 2023-11-14 |
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