CN105485911B - The combustion-supporting coal-fired thermal oil furnace of VOC gas - Google Patents
The combustion-supporting coal-fired thermal oil furnace of VOC gas Download PDFInfo
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- CN105485911B CN105485911B CN201511024169.1A CN201511024169A CN105485911B CN 105485911 B CN105485911 B CN 105485911B CN 201511024169 A CN201511024169 A CN 201511024169A CN 105485911 B CN105485911 B CN 105485911B
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- 239000007789 gas Substances 0.000 claims abstract description 225
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000003546 flue gas Substances 0.000 claims abstract description 64
- 239000008246 gaseous mixture Substances 0.000 claims abstract description 57
- 239000003245 coal Substances 0.000 claims abstract description 26
- 238000002485 combustion reaction Methods 0.000 claims abstract description 24
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- 239000003818 cinder Substances 0.000 claims abstract description 11
- 238000002309 gasification Methods 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 239000003034 coal gas Substances 0.000 claims description 9
- 238000000354 decomposition reaction Methods 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 8
- 239000000779 smoke Substances 0.000 claims description 5
- 239000013589 supplement Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000012855 volatile organic compound Substances 0.000 description 161
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 3
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 206010019233 Headaches Diseases 0.000 description 1
- 208000010513 Stupor Diseases 0.000 description 1
- 206010047700 Vomiting Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000133 brain stem Anatomy 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
- F24H7/0275—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using solid fuel
- F24H7/0291—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using solid fuel the transfer fluid being water
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Combustion Of Fluid Fuel (AREA)
- Incineration Of Waste (AREA)
Abstract
The present invention discloses a kind of coal-fired thermal oil furnace that VOC gas are combustion-supporting, it include: furnace body, the burner hearth for heating conduction oil is equipped in furnace body, heat exchange coil is arranged in burner hearth, the conduction oil for flowing through heat exchange coil is heated in burner hearth, and the bottom that traveling-grate stoker is set to burner hearth is used to coal cinder being delivered to furnace chamber inner combustion.Flue is connected to the first exhanst gas outlet of furnace body, for flue gas to be expelled to chimney.The coal-fired thermal oil furnace further includes the first mixer, gas producer and at least one burner, and furnace body is equipped with the second exhanst gas outlet.First mixer includes high-temperature flue gas entry, the first VOC gaseous mixture entrance and empty cigarette mixed gas outlet.Second exhanst gas outlet is connected to the high-temperature flue gas entry of the first mixer, and the empty cigarette mixed gas outlet of the first mixer is connected to the gasification agent inlet of gas producer, and the gas exit of gas producer is connected by gas-pipe line at least one burner.
Description
Technical field
The present invention relates to a kind of thermal hardware, in particular to a kind of heat-conducting oil furnace.
Background technique
VOC is the english abbreviation of volatile organic compounds (volatile organic compounds).VOC is to human body
Health has tremendous influence, when the VOC in air reaches a certain concentration, in the short time people can feel headache, Nausea and vomiting,
It is out of strength etc., it will appear twitch, stupor when serious, and the liver, kidney, brain and nervous system of people can be hurt, cause to remember
The serious consequences such as power decline.
By taking Furniture manufacturing industry as an example, furniture needs to carry out drying and processing after spray paint/coating, which will generate
A large amount of high concentration VOC gaseous mixture can not only cause environment greatly broken if this exhaust gas is directly discharged in environment
It is bad, and the combustible component in VOC gaseous mixture cannot also recycle.
It is in the prior art usually to be discharged into environment again after decomposing VOC gaseous mixture using special combustor come high-temp combustion
In, this not only increases the cost of processing, and causes further energy waste.
A kind of high concentration/normal concentration VOC gas processing unit as disclosed in Chinese patent discloses No. 203336605U,
It includes the blower, filter device and burner set gradually from front to back on VOC main pipe rail, before VOC main pipe rail includes VOC
Pipeline after pipeline and VOC, pipeline is set between blower and filter device before VOC, and pipeline is set to filter device after VOC
And between burner, burner includes that the heat-exchanging chamber of bottom and the main catalytic room at top, the rear portion of burner are connected with
Gas discharge manifold up to standard road.
For another example Chinese patent discloses a kind of low concentration VOC gas processing unit of No. 203336608U announcement, the past
Include successively blower, activated carbon trap and burner after, low concentration VOC is connected between blower and activated carbon trap
Pipeline is additionally provided with filter device on low concentration VOC pipeline, normal concentration is connected between activated carbon trap and burner
VOC pipeline, burner include that the heat-exchanging chamber of bottom and the main catalytic room at top, the rear portion of burner are connected with gas up to standard
Discharge manifold road.
Therefore it provides a kind of VOC gaseous mixture that can recycle is as assisted gas and can be by VOC harmless treatment
Boiler combustion system becomes urgent problem in the industry.
Summary of the invention
The object of the present invention is to provide a kind of coal-fired thermal oil furnaces that VOC gas are combustion-supporting, can not waste additional energy
VOC gas harmless treatment is realized in the case where source.
According to an aspect of the present invention, a kind of coal-fired thermal oil furnace that VOC gas are combustion-supporting is provided, comprising: furnace body, furnace body
The interior burner hearth being equipped with for heating conduction oil；Heat exchange coil, heat exchange coil are arranged in burner hearth, flow through the conduction oil of heat exchange coil
It is heated in burner hearth；Traveling-grate stoker, the bottom that traveling-grate stoker is set to burner hearth are used to coal cinder being delivered to furnace chamber inner combustion.Flue gas
Pipeline is connected to the first exhanst gas outlet of furnace body, for flue gas to be expelled to chimney.The combustion-supporting coal-fired thermal oil furnace of the VOC gas
It further include the first mixer, gas producer and at least one burner on the side wall of furnace body, and furnace body is enterprising
One step is equipped with the second exhanst gas outlet being connected to burner hearth.Wherein, the first mixer includes high-temperature flue gas entry, the first VOC mixing
Gas entrance and empty cigarette mixed gas outlet.Second exhanst gas outlet is connected by the high-temperature flue gas entry of flue gas branch pipe and the first mixer
Logical, the empty cigarette mixed gas outlet of the first mixer is connected to by gasifying agent pipeline with the gasification agent inlet of gas producer, will
The mixed empty cigarette gaseous mixture of VOC gaseous mixture and high-temperature flue gas from the first mixer is delivered in gas producer as gas
Agent simultaneously makes contained VOC gas pyrolytic.The gas exit of gas producer passes through gas-pipe line and at least one burner
It is connected will contain residual VOC gas injection to the heat release of furnace chamber inner combustion and make contained residual VOC gas combustion decomposition.
Selectively, which further comprises the heat exchanger in flue, and heat exchanger includes cigarette
Air-flow road and VOC gas flow path, containing after VOC gas flow through heat exchanger and flue gas heat exchange from the source containing VOC gas pass through VOC gas
Fluid line is delivered to the first VOC gaseous mixture entrance of the first mixer.
Wherein, the both ends of flue gas flow path be respectively formed medium temperature smoke inlet and low-temperature flue gas outlet, medium temperature smoke inlet with
First exhanst gas outlet of furnace body is connected to, and low-temperature flue gas outlet is connected to chimney.The both ends of VOC gas flow path are respectively formed cold VOC
Gas access and the outlet of hot VOC gas, cold VOC gas entrance are connected to source containing VOC gas, and hot VOC gas outlet passes through VOC gas
Fluid line is connected to the first VOC gaseous mixture entrance of the first mixer.
Selectively, heat exchanger includes shell, housing interior volume is divided into inversely parallel flue gas flow path and VOC gas
If the middle partition of body flow path and the dry heat pipe being threaded through in middle partition.Wherein, if the evaporation ends of dry heat pipe extend flue gas stream
Lu Zhong, if the condensation end of dry heat pipe extends in VOC gas flow path.
Selectively, if the working medium in dry heat pipe is the working medium such as the naphthalene suitable for 500 degrees centigrade operating conditions.
Selectively, heat exchanger can also use surface-type heat exchanger, that is, two kinds of different fluids of temperature are by wall surface point
It flows in the space opened, is exchanged heat between wall surface convection current, two kinds of fluids by the thermally conductive and fluid of wall surface.
Wherein, the temperature containing VOC gas from the source containing VOC gas is about 20~25 degrees Celsius.It is changed through heat exchanger and flue gas
Temperature containing VOC gas after heat is about 180~250 degrees Celsius.Enter the medium temperature flue gas in heat exchanger by the first exhanst gas outlet
Temperature is about 400~500 degrees Celsius, accounts for about the 50~70% of total flue gas volume amount.Through heat exchanger and containing VOC gas heat exchange heel row
Low-temperature flue gas temperature out is about 100~200 degrees Celsius.Pass through the high temperature cigarette in the second exhanst gas outlet injection to the first mixer
Temperature degree is about 800~1000 degrees Celsius, accounts for about the 30~50% of total flue gas volume amount.The empty cigarette gaseous mixture of first mixer goes out
Mouth is delivered to the VOC mixture temperature of gas producer and is about 550~620 degrees Celsius, is about with volume percent oxygen content
15~20%.
Selectively, which further comprises the second mixer in VOC gas pipeline, and second is mixed
Clutch includes entrance containing VOC gas, air intake and VOC mixed gas outlet.The hot VOC of entrance containing VOC gas and heat exchanger
Gas vent connection, air intake are connected to supplement air, VOC mixed gas outlet and first into VOC gas with the first blower
First VOC gaseous mixture entrance of mixer is connected to.
Wherein, entering the air themperature of the second mixer via air intake is about 20~25 degrees Celsius.It is mixed by second
The temperature of the VOC gaseous mixture of the VOC mixed gas outlet of clutch is about 180~220 degrees Celsius.
Selectively, which further comprises at least four first kind VOC gas branch pipes, each first kind
One end of VOC gas branch pipe is connected to VOC gas pipeline respectively, the other end compartment of terrain of each first kind VOC gas branch pipe with
The bottom wall connection of furnace body is combustion-supporting and make contained a part of VOC gaseous mixture from the second mixer is delivered to traveling-grate stoker
VOC gas combustion decomposition.
Selectively, which further comprises at least one second class VOC gas branch pipe, each second class
One end of VOC gas branch pipe is connected to VOC gas pipeline respectively, and the other end of each second class VOC gas branch pipe is respectively and extremely
A few burner is connected combustion-supporting simultaneously a part of VOC gaseous mixture from the second mixer is delivered at least one burner
Make contained VOC gas combustion decomposition.
Selectively, which further comprises that at least one chain driving wheel, at least one chain are driven
Wheel and the coal scuttle for the supply coal cinder on traveling-grate stoker of neighbouring one end face of furnace body setting.Traveling-grate stoker surrounds at least one
A chain driving wheel and at least one chain driven wheel are arranged circlewise, so that traveling-grate stoker is at least one chain driving wheel
It is rotated by delivering the coal cinder from coal scuttle to furnace chamber inner combustion heat release.
Wherein, at least one burner includes two burners being relatively arranged on the two sidewalls of furnace body, each burning
Device includes burner shell, the gas entry set on one end wall of burner shell, the 2nd VOC set on burner casing body sidewall mixed
Close gas entrance, set on burner shell the other end flame export and around gas entry from one end of burner shell
Gas-jet tube of the wall to burner shell internal stretch.The endcapped of gas-jet tube and in forming several spray orifices on peripheral wall, makes
Sprayed by several spray orifices from gas producer VOC coal gas containing residual to being mixed with via the 2nd VOC in burner casing body
The VOC gaseous mixture that gas entrance enters is closed to be mixed and burned.
Selectively, the other end of each second class VOC gas branch pipe respectively with the 2nd VOC gaseous mixture of each burner
Entrance connection.
Selectively, the first mixer includes the first mixer case and the injection in the first mixer case
Pipe, the first VOC gaseous mixture entrance are set to an end wall of the first mixer case, and high-temperature flue gas entry is set to the first mixer case
Side wall, empty cigarette mixed gas outlet be set to the first mixer case another end wall, ejector pipe is around the first VOC gaseous mixture entrance
From an end wall of the first mixer case to the first mixer case internal stretch.
Preferably, on the longitudinal direction of the first mixer, high-temperature flue gas entry is located at the first VOC gaseous mixture entrance and draws
It penetrates between the end of pipe.
Preferably, the first mixer further comprises another end wall of the end and the first mixer case set on ejector pipe
Between for reinforcing the impeller of gas mixing.
Preferably, which further comprises the conveyer belt for conveying coal into gas producer.
Selectively, conveyer belt is used to supplement coal into coal scuttle simultaneously.
Wherein, gas producer of the invention refers to coal gasifier, is also gas generator, is using coal as vaporising fuel
Carry out the stove of fuel gas manufacture.The type of furnace of gas producer of the invention includes but is not limited to: UGI furnace, lurgi gasifier, Wen Ke
Strangle furnace, De Shike furnace or Dow Chemical coal gasifier.
In operation, (account for about the 30 of total flue gas volume amount directly from about 800~1000 degrees Celsius of high-temperature flue gas of burner hearth
~50%) by the second exhanst gas outlet by about 150~250 degrees Celsius in injection to the first mixer and from the second mixer
VOC gaseous mixture be sufficiently mixed, mixed sky cigarette gaseous mixture enters in gas producer as gasifying agent.From furnace body with
About 400~500 degrees Celsius of medium temperature flue gas (account for about total flue gas volume amount 50~70%) after conduction oil sufficiently exchanges heat passes through
First exhanst gas outlet becomes about 100~150 degrees Celsius of low-temperature flue gas and is expelled to chimney after entering heat exchanger and VOC gas heat exchange.
The beneficial effects of the present invention are: (1), using VOC gaseous mixture as assisted gas heat heat-conducting oil furnace, make full use of
Combustible component in VOC gaseous mixture realizes energy conservation；(2), VOC gas are realized in the case where not wasting additional energy source
Harmless treatment, it is not necessary to be discharged into environment, simplify again after decomposing VOC gaseous mixture using special combustor come high-temp combustion
The technique for handling VOC gaseous mixture, saves the cost of processing；(3), VOC gas are carried out using various ways multistage innoxious
Processing, so that being expelled in the flue gas in environment without VOC gas；(4) VOC gaseous mixture is heated with the fume afterheat of furnace body, filled
Divide and flue gas heat is utilized, reduce the flue-gas temperature of coal-fired thermal oil furnace discharge, reduces the pollution to environment.
Detailed description of the invention
Fig. 1 shows the organigram of the combustion-supporting coal-fired thermal oil furnace of VOC gas of the present invention.
Fig. 2 shows the arrangement schematic diagrams of furnace body of the invention and burner.
Fig. 3 shows the organigram for the first mixer that the present invention uses.
Fig. 4 shows the organigram for the burner that the present invention uses.
Specific embodiment
Fig. 1 is please referred to, a kind of embodiment according to the present invention, the combustion-supporting coal-fired thermal oil furnace of VOC gas includes: furnace body
100, the first mixer 200, gas producer 300, two burners 400, heat exchanger 500 on the side wall of furnace body 100
And second mixer 600.
The burner hearth (not shown) for heating conduction oil is equipped in furnace body 100, heat exchange coil (not shown) is arranged in burner hearth
Interior, the conduction oil for flowing through heat exchange coil is heated in burner hearth.The bottom that traveling-grate stoker 120 is set to burner hearth is used for coal cinder 121
It is delivered to furnace chamber inner combustion.The second exhanst gas outlet 140 that furnace body 100 is equipped with the first exhanst gas outlet 130 and is connected to burner hearth.
Flue gas is expelled to chimney (not shown) by the first exhanst gas outlet 130 connection flue 150 of furnace body 100.
As shown in figure 3, the first mixer 200 is including the first mixer case 240 and is set to the first mixer case 240
Interior ejector pipe 250.First VOC gaseous mixture entrance 230 is set to an end wall 241 of the first mixer case 240, and high-temperature flue gas enters
Mouth 210 is set to the side wall of the first mixer case 240, and empty cigarette mixed gas outlet 220 is set to the another of the first mixer case 240
End wall 242.Ejector pipe 250 is around the first VOC gaseous mixture entrance 230 from an end wall 241 to first of the first mixer case 240
240 internal stretch of mixer case, on the longitudinal direction of the first mixer 200, high-temperature flue gas entry 210 is located at the first VOC
Between gaseous mixture entrance 230 and the end of ejector pipe 250.First mixer 200 further includes set on the end and the of ejector pipe 250
For reinforcing the impeller 260 of gas mixing between another end wall 242 of one mixer case 240.
Second exhanst gas outlet 140 of furnace body 100 passes through the high-temperature flue gas of flue gas branch pipe (not labeled) and the first mixer 200
Entrance 210 is connected to.The empty cigarette mixed gas outlet 220 of first mixer 200 is occurred by gasifying agent pipeline (not labeled) and coal gas
The gasification agent inlet 310 of device 300 is connected to, by the VOC gaseous mixture from the first mixer 200 and the mixed sky of high-temperature flue gas
Cigarette gaseous mixture is delivered in gas producer 300 as gasifying agent and makes contained VOC gas pyrolytic.Gas producer 300
Gas exit 320 be connected with two burners 400 by gas-pipe line (not labeled) will contain and remain VOC gas injection to furnace
Chamber inner combustion heat release simultaneously makes contained residual VOC gas combustion decomposition.
As shown in Figures 2 and 4, two burners 400 are relatively arranged on the two sidewalls of furnace body 100.Each burner 400
Including burner shell 410, set on 410 1 end wall 411 of burner shell gas entry 420, be set to 410 side of burner shell
2nd VOC gaseous mixture entrance 430 of wall, set on burner shell 410 the other end flame export 440 and surround coal gas
Entrance 420 is from an end wall 411 of burner shell 410 to the gas-jet tube 450 of 410 internal stretch of burner shell.Coal gas spray
The endcapped of pipe 450 and in forming several spray orifices 451 on peripheral wall, so that the VOC coal gas containing residual from gas producer 300
Pass through the VOC gaseous mixture entered in the injection to burner shell 410 of several spray orifices 451 and via the 2nd VOC gaseous mixture entrance 430
It is mixed and burned.
Heat exchanger 500 is arranged in flue 150, and heat exchanger 500 includes flue gas flow path (not shown) and VOC gas stream
Road (not shown).The both ends of flue gas flow path are respectively formed medium temperature smoke inlet 510 and low-temperature flue gas outlet 520, and medium temperature flue gas enters
Mouth 510 is connected to the first exhanst gas outlet 130 of furnace body 100, and low-temperature flue gas outlet 520 is connected to chimney.The two of VOC gas flow path
End is respectively formed cold VOC gas entrance 530 and hot VOC gas outlet 540, and cold VOC gas entrance 530 is connected to containing VOC gas
Source (not shown).Wherein, low-temperature flue gas outlet 520 is connected to the second blower 521 so that flue gas is pumped to chimney, cold VOC gas
Entrance 530 is connected to third blower 531 so that VOC gas are pumped to heat exchanger 500 from source containing VOC gas.
Second mixer 600 is arranged in VOC gas pipeline, and the second mixer 600 includes entrance containing VOC gas 610, sky
Gas entrance 620 and VOC mixed gas outlet 630.The hot VOC gas of entrance containing VOC gas 610 and heat exchanger 500 outlet 540 connects
Logical, air intake 620 is connected to supplement air into VOC gas with the first blower 621, and VOC mixed gas outlet 630 and first mix
First VOC gaseous mixture entrance 230 of clutch 200 is connected to.
It further comprise four first kind VOC gas branch pipes 700 and two second in the non-limiting embodiment
Class VOC gas branch pipe 800.One end of each first kind VOC gas branch pipe 700 is connected to VOC gas pipeline (not labeled) respectively,
The other end compartment of terrain of each first kind VOC gas branch pipe 700 is connected to will come from the second mixer with the bottom wall of furnace body 100
It is combustion-supporting and make contained VOC gas combustion decomposition that 600 a part of VOC gaseous mixture is delivered to traveling-grate stoker 120.Two the second classes
One end of VOC gas branch pipe 800 is connected to VOC gas pipeline respectively, the other end the 2nd VOC with two burners 400 respectively
Gaseous mixture entrance 430 is connected to be helped so that a part of VOC gaseous mixture from the second mixer 600 is delivered to two burners 400
It fires and makes contained VOC gas combustion decomposition.
In the non-limiting embodiment, which further includes chain driving wheel (not shown), two
What a chain driven wheel (not shown) and neighbouring 100 1 end face of furnace body were arranged is used to supply coal cinder on traveling-grate stoker 120
121 coal scuttle 900.Traveling-grate stoker 120 is arranged around chain driving wheel and two chain driven wheels circlewise, so that traveling-grate stoker
120 being rotated by will deliver from the coal cinder 121 of coal scuttle 900 to furnace chamber inner combustion heat release in chain driving wheel.
In addition, according to the non-limiting embodiment, the combustion-supporting coal-fired thermal oil furnace of VOC gas further includes for coal gas
The conveyer belt 330 of coal is conveyed in generator 300, conveyer belt 330 is simultaneously for supplementing coal into coal scuttle 900.
As a kind of alternative embodiments, which can not include heat exchanger 500, the first exhanst gas outlet
Flue gas is directly expelled to chimney via flue by 130, and source containing VOC gas is directly connect with VOC gas pipeline, cold VOC gas
Body enters the second mixer 600 through VOC gas pipeline and mixes with air.
As another alternative embodiments, which can not include the second mixer 600, through exchanging heat
The hot VOC gas of 540 output of hot VOC gas outlet of device 500 do not mix with air.
As another alternative embodiments, the VOC gas pipeline of the coal-fired thermal oil furnace can not include the first kind
VOC gas branch pipe and/or the second class VOC gas branch pipe.
As another non-limiting embodiment, which can not include conveyer belt 330.
In operation, (account for about total flue gas volume directly from about 900 degrees Celsius of high-temperature flue gas of the burner hearth of furnace body 100
The 35% of amount) by being taken the photograph in 140 injection of the second exhanst gas outlet to the first mixer 200 with about 200 from the second mixer 600
The VOC gaseous mixture of family name's degree is sufficiently mixed, and mixed sky cigarette gaseous mixture enters in gas producer 300 as gasifying agent.Coal gas
The VOC coal gas containing residual generated in generator 300 is delivered to two 400 combustion heat releases of burner.
About 450 degrees Celsius of medium temperature flue gas after sufficiently exchanging heat with conduction oil from furnace body 100 (accounts for about total flue gas volume
Amount 65%) by the first exhanst gas outlet 130 enter heat exchanger 500 and VOC gas heat exchange after become about 100 degrees Celsius of low temperature cigarettes
Gas is expelled to chimney.
The temperature containing VOC gas from the source containing VOC gas is about 20 degrees Celsius, after heat exchanger 500 and flue gas heat exchange
Temperature containing VOC gas is about 250 degrees Celsius, and hot VOC gas enter the second mixer 600 through VOC gas entrance 610.Via sky
The air themperature that gas entrance 620 enters the second mixer 600 is about 20 degrees Celsius, the hot VOC gas from heat exchanger 500 and sky
Gas is discharged after mixing in the second mixer 600 by VOC mixed gas outlet 630, and the temperature of the VOC gaseous mixture of discharge is about
200 degrees Celsius.
The VOC gaseous mixture of about 40% (volume) from the second mixer 600 is via first kind VOC gas branch pipe 700
It is delivered to that traveling-grate stoker 120 is combustion-supporting, the VOC gaseous mixture of about 30% (volume) is delivered to via the second class VOC gas branch pipe 800
Burner 400 is combustion-supporting, the VOC gaseous mixture of about 30% (volume) via in VOC gas pipeline injection to the first mixer 200 with
It is delivered in gas producer 300 after high-temperature flue gas mixing from burner hearth as gasifying agent.Wherein, flue gas and VOC gaseous mixture
Mixed temperature is about 600 degrees Celsius in the first mixer 200, is about 15% with volume percent oxygen content.
Although detailed description of the present invention preferred embodiment herein, it is to be understood that the invention is not limited to this
In the specific structure being described in detail and show, without departing from the spirit and scope of the present invention can be by the technology of this field
Personnel realize other modifications and variant.For example, the high temperature generated according to the quantity regulating stove volumetric combustion coal cinder for changing burner
The temperature of flue gas.In addition, the temperature or pressure and other parameters of system can suitably be chosen according to concrete application conditions.
Claims (10)
1. a kind of coal-fired thermal oil furnace that VOC gas are combustion-supporting, comprising:
Furnace body, the interior burner hearth being equipped with for heating conduction oil of the furnace body；
Heat exchange coil, the heat exchange coil are arranged in the burner hearth, flow through the conduction oil of the heat exchange coil in the burner hearth
Inside it is heated；
Traveling-grate stoker, the bottom that the traveling-grate stoker is set to the burner hearth are used to coal cinder being delivered to the furnace chamber inner combustion；With
And
Flue, the flue is connected to the first exhanst gas outlet of the furnace body, for flue gas to be expelled to chimney；
It is characterized by:
It further comprise the first mixer, gas producer and at least one burner on the side wall of the furnace body,
And the second exhanst gas outlet being connected to the burner hearth is further provided on the furnace body, wherein first mixer includes
High-temperature flue gas entry, the first VOC gaseous mixture entrance and empty cigarette mixed gas outlet；Second exhanst gas outlet passes through flue gas branch pipe
It is connected to the high-temperature flue gas entry of first mixer；The empty cigarette mixed gas outlet of first mixer passes through
Gasifying agent pipeline is connected to the gasification agent inlet of the gas producer, will be from the VOC gaseous mixture of first mixer
It is delivered in the gas producer with the mixed empty cigarette gaseous mixture of high-temperature flue gas as gasifying agent and keeps contained VOC gas high
Temperature is decomposed；The gas exit of the gas producer is connected by gas-pipe line at least one described burner will contain residual
VOC gas injection is to the furnace chamber inner combustion heat release and makes contained residual VOC gas combustion decomposition.
2. the combustion-supporting coal-fired thermal oil furnace of VOC gas as described in claim 1, which is characterized in that further comprise being set to institute
The heat exchanger in flue is stated, the heat exchanger includes flue gas flow path and VOC gas flow path, containing from the source containing VOC gas
VOC gas flow through and are delivered to described the of first mixer by VOC gas pipeline after the heat exchanger and flue gas heat exchange
One VOC gaseous mixture entrance.
3. the combustion-supporting coal-fired thermal oil furnace of VOC gas as claimed in claim 2, which is characterized in that the two of the flue gas flow path
End is respectively formed medium temperature smoke inlet and low-temperature flue gas outlet, first flue gas of the medium temperature smoke inlet and the furnace body
Outlet, the low-temperature flue gas outlet are connected to chimney, and the both ends of the VOC gas flow path are respectively formed cold VOC gas and enter
Mouth and the outlet of hot VOC gas, the cold VOC gas entrance are connected to source containing VOC gas, and the hot VOC gas outlet passes through institute
VOC gas pipeline is stated to be connected to the first VOC gaseous mixture entrance of first mixer.
4. the combustion-supporting coal-fired thermal oil furnace of VOC gas as claimed in claim 3, which is characterized in that further comprise being set to institute
The second mixer in VOC gas pipeline is stated, second mixer includes entrance containing VOC gas, air intake and VOC mixed
Close gas outlet, the hot VOC gas outlet of the entrance containing VOC gas and the heat exchanger, the air intake and
First blower is connected to supplement air, the VOC mixed gas outlet and described the first of first mixer into VOC gas
The connection of VOC gaseous mixture entrance.
5. the combustion-supporting coal-fired thermal oil furnace of VOC gas as claimed in claim 4, which is characterized in that further comprise at least four
A first kind VOC gas branch pipe, one end of each first kind VOC gas branch pipe are connected to the VOC gas pipeline respectively, each
The other end compartment of terrain of first kind VOC gas branch pipe be connected to the bottom wall of the furnace body with will from second mixer one
It is combustion-supporting and make contained VOC gas combustion decomposition that part VOC gaseous mixture is delivered to the traveling-grate stoker.
6. the combustion-supporting coal-fired thermal oil furnace of VOC gas as claimed in claim 5, which is characterized in that further comprise at least one
One end of a second class VOC gas branch pipe, each second class VOC gas branch pipe is connected to the VOC gas pipeline respectively, each
The other end of second class VOC gas branch pipe is connected respectively with will be from second mixer at least one described burner
It is combustion-supporting and make contained VOC gas combustion decomposition that a part of VOC gaseous mixture is delivered at least one described burner.
7. such as the combustion-supporting coal-fired thermal oil furnace of VOC gas according to any one of claims 1 to 6, which is characterized in that further
Including at least one chain driving wheel, at least one chain driven wheel and the setting of neighbouring one end face of furnace body for
Supply the coal scuttle of coal cinder on the traveling-grate stoker, the traveling-grate stoker surround at least one described chain driving wheel and it is described at least
One chain driven wheel is arranged circlewise, so that the traveling-grate stoker being rotated by least one chain driving wheel
Delivering the coal cinder from the coal scuttle to the furnace chamber inner combustion heat release.
8. such as the combustion-supporting coal-fired thermal oil furnace of VOC gas according to any one of claims 1 to 6, which is characterized in that it is described extremely
A few burner includes two burners being relatively arranged on the two sidewalls of the furnace body, and each burner includes burner
Shell, set on the gas entry of one end wall of burner shell, set on the 2nd VOC gaseous mixture of the burner casing body sidewall
Entrance, set on the burner shell the other end flame export and around the gas entry from the burner casing
Gas-jet tube of one end wall of body to the burner shell internal stretch, the endcapped of the gas-jet tube and on peripheral wall
Several spray orifices are formed, so that the VOC coal gas containing residual from the gas producer is sprayed by several spray orifices to described
It is mixed and burned in burner casing body with the VOC gaseous mixture entered via the 2nd VOC gaseous mixture entrance.
9. such as the combustion-supporting coal-fired thermal oil furnace of VOC gas according to any one of claims 1 to 6, which is characterized in that described the
One mixer includes the first mixer case and the ejector pipe in first mixer case, and the first VOC is mixed
The end wall that gas entrance is set to first mixer case is closed, the high-temperature flue gas entry is set to first mixer case
Side wall, it is described sky cigarette mixed gas outlet be set to first mixer case another end wall, the ejector pipe is around described
First VOC gaseous mixture entrance is from an end wall of first mixer case to the first mixer case internal stretch.
10. the combustion-supporting coal-fired thermal oil furnace of VOC gas as claimed in claim 9, which is characterized in that first mixer into
One step includes mixed for reinforcing gas between the end of the ejector pipe and another end wall of first mixer case
The impeller of conjunction.
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| CN107684808A (en) * | 2017-10-24 | 2018-02-13 | 洛阳瑞昌石油化工设备有限公司 | A kind of sulfur recovery tail gas handling process and system |
| CN109520123A (en) * | 2018-10-31 | 2019-03-26 | 王清凤 | A kind of energy conservation and environmental protection Fuel Furnace |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5484628A (en) * | 1977-12-16 | 1979-07-05 | Toyo Tire & Rubber Co Ltd | Improved combustion denitration method |
| JPH0827394A (en) * | 1994-07-20 | 1996-01-30 | Mitsubishi Heavy Ind Ltd | Method and equipment for producing carbon black from waste material |
| JP2000266324A (en) * | 1999-03-15 | 2000-09-29 | Hitachi Ltd | Waste thermal decomposing disposal apparatus |
| CN101324331A (en) * | 2008-08-01 | 2008-12-17 | 黄钟成 | Method and apparatus for combustion replacing oil with coal |
| CN203273872U (en) * | 2013-05-15 | 2013-11-06 | 山东大学 | Front-arranged coal gasification grate firing device |
| CN203336605U (en) * | 2013-06-04 | 2013-12-11 | 江阴陆臣科技有限公司 | High-concentration/normal-concentration VOC gas processing device |
| CN203336608U (en) * | 2013-06-04 | 2013-12-11 | 江阴陆臣科技有限公司 | Low-concentration VOC gas processing device |
| CN104677125A (en) * | 2015-02-12 | 2015-06-03 | 中山市迦南节能环保科技有限公司 | Heating gas aluminum melting furnace energy-saving combustion system |
| CN105066110A (en) * | 2015-08-11 | 2015-11-18 | 中山市迦南节能环保科技有限公司 | Chain grate furnace composite combustion system with coal briquette layer combustion and biomass gasification spraying combustion combined |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5535782B2 (en) * | 2010-06-16 | 2014-07-02 | 三菱重工業株式会社 | Combustion system |
-
2015
- 2015-12-29 CN CN201511024169.1A patent/CN105485911B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5484628A (en) * | 1977-12-16 | 1979-07-05 | Toyo Tire & Rubber Co Ltd | Improved combustion denitration method |
| JPH0827394A (en) * | 1994-07-20 | 1996-01-30 | Mitsubishi Heavy Ind Ltd | Method and equipment for producing carbon black from waste material |
| JP2000266324A (en) * | 1999-03-15 | 2000-09-29 | Hitachi Ltd | Waste thermal decomposing disposal apparatus |
| CN101324331A (en) * | 2008-08-01 | 2008-12-17 | 黄钟成 | Method and apparatus for combustion replacing oil with coal |
| CN203273872U (en) * | 2013-05-15 | 2013-11-06 | 山东大学 | Front-arranged coal gasification grate firing device |
| CN203336605U (en) * | 2013-06-04 | 2013-12-11 | 江阴陆臣科技有限公司 | High-concentration/normal-concentration VOC gas processing device |
| CN203336608U (en) * | 2013-06-04 | 2013-12-11 | 江阴陆臣科技有限公司 | Low-concentration VOC gas processing device |
| CN104677125A (en) * | 2015-02-12 | 2015-06-03 | 中山市迦南节能环保科技有限公司 | Heating gas aluminum melting furnace energy-saving combustion system |
| CN105066110A (en) * | 2015-08-11 | 2015-11-18 | 中山市迦南节能环保科技有限公司 | Chain grate furnace composite combustion system with coal briquette layer combustion and biomass gasification spraying combustion combined |
Non-Patent Citations (1)
| Title |
|---|
| 《新型高温蓄热燃烧煤渣焚烧炉的设计》;刘效洲;《节能技术》;20120930;467-469 * |
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