CN109340785A - A kind of organic exhaust gas burning processing system - Google Patents
A kind of organic exhaust gas burning processing system Download PDFInfo
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- CN109340785A CN109340785A CN201811032268.8A CN201811032268A CN109340785A CN 109340785 A CN109340785 A CN 109340785A CN 201811032268 A CN201811032268 A CN 201811032268A CN 109340785 A CN109340785 A CN 109340785A
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- exhaust gas
- organic exhaust
- processing system
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- 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
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- 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
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- 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
- F23G5/50—Control or safety arrangements
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- 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
- F23L15/00—Heating of air supplied for combustion
- F23L15/04—Arrangements of recuperators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Incineration Of Waste (AREA)
Abstract
The present invention relates to waste gas combustion furnace technical fields, refer in particular to a kind of organic exhaust gas burning processing system, it include burner hearth, negative pressure system, ceramic honey comb, heating by the exhaust gases device and air preheater, the quantity of the ceramic honey comb be it is multiple, multiple ceramic honey combs are arranged in parallel；The negative pressure system includes using exhaust gas fan, accessory fan and air-introduced machine, the negative pressure system further includes the first exhaust piping, exhaust gas concentration alarm device, negative pressure controller and two pressure difference transmitters, the exhaust gas fan is connected to heating by the exhaust gases device, one pressure difference transmitter is set to the front end of exhaust gas fan, another pressure difference transmitter is set to the rear end of air-introduced machine, and two pressure difference transmitters are connect with exhaust gas concentration alarm device respectively.The application can exhaustive oxidation decompose organic exhaust gas, additionally it is possible to avoid generate tempering phenomenon, prevent organic exhaust gas from leaking, protect environment, eliminate safe hidden trouble, improve system operational safety performance.
Description
Technical field
The present invention relates to waste gas combustion furnace technical fields, refer in particular to a kind of organic exhaust gas burning processing system.
Background technique
In the process of manufacture of copper-clad plate, a large amount of organic solvent can be generated and evaporated, organic solvent and air
It is mixed to form organic exhaust gas, more phenol and formaldehyde are contained in these organic exhaust gas, is directly discharged into these organic exhaust gas greatly
Environment is caused seriously to pollute in gas, directly affects human health and ecological environment.In existing production process, generally
It is to collect these organic exhaust gas, is then sent through centralized burning in organic waste gas furnace, forms water and titanium dioxide after burning
Carbon etc., then be discharged into atmosphere.
RTO, that is, heat accumulating type oxidation furnace are a kind of efficient VOCs treatment equipment, with traditional catalysis burning, directly
Combustion thermal oxidation furnace is compared, and has the characteristics that the thermal efficiency is high, operating cost is low, can handle low concentration gas in Wind Volume, concentration
When slightly higher, secondary waste heat recycling can be also carried out, production and operation cost is substantially reduced.RTO incinerator refers to be placed centainly in burner hearth
The incinerator of quantity heat-storing material, heat-storing material generally use ceramic honey comb, but traditional double-tower type, three-tower type, rotating disc type RTO
Incinerator in use, all has a problem that, is exactly without adjusting and to control organic exhaust gas residence time function in burner hearth,
Organic exhaust gas is flowed through on ceramic honey comb surface, and the time is very short in burner hearth, and organic exhaust gas oxygenolysis is caused to be not thorough,
After 2017 end of the year countries put into effect the new rule of environmental protection, the exhaust emissions of these traditional incinerators substantially all cannot be up to standard, in addition, such as
Double-tower type RTO, it is controlled organic exhaust gas by valve transfer and enters burner hearth, but in handoff procedure, may there is part machine exhaust gas
Have little time to enter burner hearth, directly arrange to chimney, this is more just that environmentally friendly institute is unallowable.
Traditional RTO incinerator there is a further problem, since traditional RTO incinerator is all positive pressure design, positive pressure
The RTO incinerator of design is easy to appear tempering phenomenon, causes to catch fire or glue spreader explosion, tempering phenomenon refer in organic exhaust gas
Gas expansion in burning process in burner hearth causes pressure rise, so that flame influxs air inlet pipe, to spread to showing for workshop
As this tempering phenomenon can injure operating worker, while bring serious loss to enterprise.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of organic exhaust gas burning processing systems, being capable of exhaustive oxidation decomposition
Organic exhaust gas, additionally it is possible to avoid generating tempering phenomenon, prevent organic exhaust gas from leaking, protect environment, eliminate safe hidden trouble, improve system
System operational safety performance.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
A kind of organic exhaust gas burning processing system comprising including burner hearth, negative pressure system, be set in burner hearth and for pair
The heat that discharges is saved when organic exhaust gas burns ceramic honey comb is connected to burner hearth and is used for pre- to the exhaust gas of organic exhaust gas preheating
Thermal and the air preheater for being connected to heating by the exhaust gases device and being used to heat air, the quantity of the ceramic honey comb
It is three or three or more, ceramic honey comb described in multiple tracks is arranged in parallel, and organic exhaust gas successively passes perpendicularly through described in multiple tracks
Ceramic honey comb；
The negative pressure system includes for conveying the exhaust gas fan of organic exhaust gas, being set to the inlet end of air preheater
And for convey air accessory fan and be set to air preheater outlet side air-introduced machine, the negative pressure system
It further include the first exhaust piping, two exhaust gas concentration alarm devices and multiple pressure difference transmitters.The exhaust gas fan is via first
Exhaust piping is connected to heating by the exhaust gases device, and two pressure difference transmitters are respectively arranged at the front-end and back-end of exhaust gas fan simultaneously
It connect connection with a concentration alarm device, two pressure difference transmitters are respectively arranged at front-end and back-end of air-introduced machine and equal
It is connect with another exhaust gas concentration alarm device.
Further, the burner hearth is equipped with insulating layer and flame retardant coating, and the insulating layer is enclosed set on the outside of flame retardant coating, described
Flame retardant coating is enclosed set on multiple ceramic honey combs.
Further, the organic exhaust gas burning processing system further includes the equal bellows for collecting organic exhaust gas, described
Equal bellows are connected to the inlet end of exhaust gas fan.
Further, the burner hearth includes secondary preheating room, combustion chamber and heat accumulation room, and secondary preheating room and combustion chamber connect
Logical, combustion chamber is connected to heat accumulation room, and multiple ceramic honey combs are arranged in combustion chamber and heat accumulation room, and the combustion chamber is located at two
The centre of adjacent ceramic honey comb is equipped with firing device and the material guide device for being passed through fuel, the point in the combustion chamber
Combustion device is connected to material guide device.
Further, the heating by the exhaust gases device is equipped with the heating by the exhaust gases pipeline of the second exhaust piping and detour, described useless
The inlet end of gas preheating pipe is connected to the first exhaust piping, and the outlet side of the heating by the exhaust gases pipeline is via the second exhaust piping
It is connected to secondary preheating room.
Further, the organic exhaust gas burning processing system further includes electronic safety control system, the electronic type
Safety control system includes the temperature buzzer for being set to burner hearth, the quenching system for being set to burner hearth, is set to putting for equal bellows
Empty valve, the electronic safety control system further include thermostat valve and multiple fire arresters, and multiple fire arresters are respectively arranged at
First exhaust piping and the second exhaust piping, the thermostat valve are set to the inlet end of exhaust gas fan.
Further, the organic exhaust gas burning processing system further includes safety mechanical control system, described mechanical
Safety control system includes multiple explosion rupture disks, and multiple explosion rupture disks are respectively arranged at equal bellows and burner hearth.
Further, the organic exhaust gas burning processing system further includes multiple for installing and overhauling the ceramic honey comb
Maintenance channel, multiple maintenance channels are set to burner hearth, and the maintenance channel is equipped with safety door.
Further, the outlet side of the air preheater is communicated with air pipeline, and the air pipeline is far from air
One end of preheating device is connected to the second exhaust piping.
Further, the organic exhaust gas burning processing system further includes arranging tail gas unit, and the one of row's tail gas unit
End is connected to the outlet side of air-introduced machine.
Beneficial effects of the present invention: the application be free style RTO incinerator, free style RTO incinerator Zhong You tri- or
Three or more ceramic honey combs, multiple tracks ceramic honey comb is arranged in parallel, and quantity and the position of these ceramic honey combs are can basis
Production technology needs to adjust, therefore this incinerator is called free style RTO, due to ceramic honey comb and organic exhaust gas flow direction
It is vertically arranged, plays the role of stopping organic exhaust gas flowing velocity, quantity and position by adjusting ceramic honey comb can bases
Environmental requirement and production technology need to adjust organic exhaust gas residence time in burner hearth, double-tower type RTO incinerator and rotating disc type
RTO incinerator organic exhaust gas several seconds of residence time usually only zero point in burner hearth, and double-tower type RTO incinerator and rotating disc type
RTO incinerator does not have an adjusting control function, but the application can control organic exhaust gas in burner hearth the residence time by 2 seconds or with
On, there is adjusting control function, therefore free style RTO more thoroughly and is effectively prevented organic waste to organic exhaust gas oxygenolysis
Gas leakage protects environment, and after national environmental protection newly advises appearance, the exhaust emissions of the application can be up to standard；The application is additionally provided with
Negative pressure system, negative pressure system include exhaust gas fan, accessory fan, air-introduced machine, pressure difference transmitter, exhaust gas concentration alarm device and negative pressure
Controller, exhaust gas fan front end and air-introduced machine rear end are equipped with pressure difference transmitter, when pressure difference transmitter detects that pressure difference is positive pressure
When exhaust gas concentration alarm device will issue alarm, negative pressure system is adjusted by adjusting exhaust gas fan, air-introduced machine and negative pressure controller
Section burner hearth is in negative pressure state, and it is negative pressure that the air quantity wind speed of accessory fan, which can effectively finely tune organic exhaust gas burning processing system,
State avoids generating tempering phenomenon, eliminate safe hidden trouble, improve system operational safety performance in order to avoid exhaust gas concentration is exceeded.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the structural schematic diagram of double-tower type RTO incinerator.
Fig. 3 is the structural schematic diagram of rotating disc type RTO incinerator.
Description of symbols:
1- burner hearth；11- insulating layer；12- flame retardant coating；13- secondary preheating room；The combustion chamber 14-；141- firing device；142-
Material guide device；15- heat accumulation room；16- steelframe；17- rotary valve；2- ceramic honey comb；3- heating by the exhaust gases device；The second flue gas leading of 31-；
32- heating by the exhaust gases pipeline；4- air preheater；41- air pipeline；The second insulating layer of 42-；51- exhaust gas fan；52- auxiliary
Blower；53- air-introduced machine；The first exhaust piping of 54-；55- exhaust gas concentration alarm device；56- pressure difference transmitter；57- negative pressure controller；
58- burner hearth superelevation temperature protection device；The equal bellows of 6-；71- temperature buzzer；72- quenching system；73- blow valve；74- fire arrester；
75- thermostat valve；8- explosion rupture disk；9- maintenance channel；10- arranges tail gas unit.
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further below with reference to embodiment and attached drawing
Bright, the content that embodiment refers to not is limitation of the invention.
As shown in Figure 1, a kind of organic exhaust gas burning processing system provided by the invention comprising burner hearth 1, negative pressure system,
It is set in burner hearth 1 and ceramic honey comb 2 that heat that for burning to organic exhaust gas when discharges is saved, is connected to and is used in combination with burner hearth 1
In the heating by the exhaust gases device 3 preheated to organic exhaust gas and the air for being connected to heating by the exhaust gases device 3 and being used to heat air
Preheating device 4, the quantity of the ceramic honey comb 2 are three or three or more, and ceramic honey comb 2, which is parallel to each other, described in multiple tracks sets
It sets, organic exhaust gas successively passes perpendicularly through ceramic honey comb 2 described in multiple tracks；The negative pressure system includes for conveying the useless of organic exhaust gas
Gas blower 51, be set to air preheater 4 inlet end and for convey air accessory fan 52 and be set to sky
The air-introduced machine 53 of the outlet side of gas preheating device 4, the negative pressure system further include that 54, two exhaust gas concentrations of the first exhaust piping are alert
Device 55 and multiple pressure difference transmitters 56 are reported, the exhaust gas fan 51 connects via the first exhaust piping 54 with heating by the exhaust gases device 3
It is logical, two pressure difference transmitters 56 be respectively arranged at the front-end and back-end of exhaust gas fan 51 and with a concentration alarm device 55
Connection electrical connection, two pressure difference transmitters 56 be respectively arranged at the front-end and back-end of air-introduced machine 53 and with another exhaust gas
Concentration alarm device 55 is electrically connected, and ceramic honey comb 2 described in multiple tracks is arranged successively in burner hearth 1.
The concept of RTO and free style RTO incinerator: RTO (Regenerative Thermal Oxidizer, referred to as
RTO), heat accumulating type oxidation furnace, principle are that the organic matter (VOCs) in exhaust gas is oxidized to corresponding carbon dioxide at high temperature
And water, thus cleaning organic waste gas, and recycle the heat released when organic exhaust gas decomposes.Make 1 space of burner hearth and furnace
Storage volume in thorax 1 has the function of freely adjusting, and this incinerator is known as free style RTO incinerator, free style
The quantity of ceramic honey comb 2 in RTO incinerator and position it is adjustable with change, can so that expand or shrink the space of burner hearth 1
To increase or decrease the storage volume of ceramic honey comb 2 according to production technology needs, so that burning organic exhaust gas reaches best effective
Fruit.The RTO incinerator of the application is free style RTO incinerator, tri- or three or more honeycomb of free style RTO incinerator Zhong You
Ceramics 2, quantity and the position of these ceramic honey combs 2 can need to adjust according to production technology；Free style RTO incinerator is also referred to as
Horizontal RTO incinerator.
In practice, organic exhaust gas is sent by exhaust gas fan 5 to tentatively being preheated in heating by the exhaust gases device 3, meanwhile, it is auxiliary
Blower 52 is helped to send extraneous cold air to air preheater 4, since organic exhaust gas needs large quantity of air when burning, and
When these not preheated cold airs are introduced directly into burner hearth 1, it is easy to greatly reduce the incineration temperature of organic exhaust gas, therefore,
It needs to carry out the pre-heat treatment to these cold airs, improves the temperature of these cold airs, 4 pairs of air preheater extraneous cold skies
Gas is tentatively preheated, and organic exhaust gas and air through tentatively preheating form mixed gas, these mixed gas are sent to burner hearth 1
Interior burning, organic exhaust gas combination air discharge a large amount of heat after burning, these heats are absorbed and stored up by multiple tracks ceramic honey comb 2
It deposits, organic exhaust gas forms carbon dioxide and water after burning in burner hearth 1, it is pre- that these carbon dioxide as tail gas sequentially pass through exhaust gas
Atmosphere is discharged after thermal 3 and air preheater 4, still band has surplus heat the tail gas after ceramic honey comb 2, these waste heats are again
Secondary to be absorbed by heating by the exhaust gases device 3 and air preheater 4, these absorbed waste heats are used for organic exhaust gas and extraneous cold
Air is tentatively preheated, and using the waste-heat organic exhaust gas and air of tail gas, can achieve energy-efficient effect；Preferably,
The hot wind or hot oil that can also be generated by other production lines heat the air preheater 4, by hot wind or hot oil
Heat is converted to extraneous cold air, and energy-efficient effect is reached；Preferably, the accessory fan 52 is equipped with for controlling cold air
The control valve of air quantity and wind speed.
Double-tower type RTO incinerator and rotating disc type RTO incinerator shown in Fig. 3 as shown in Figure 2, both traditional RTO
The ceramic honey comb 2 of incinerator is maked somebody a mere figurehead by steelframe 16 at the middle part of furnace body, and the ceramic honey comb 2 of more than ten tons of weights utilizes steelframe 16
Support, the collapsing easy to oxidize of steelframe 16, causes ceramic honey comb 2 to crash and cause the accident at high temperature；The bottom of rotating disc type RTO incinerator
Portion is equipped with rotary valve 17, and rotary valve 17 is easy mechanical breakdown, and organic exhaust gas is not passed through ceramic honey comb 2 and straight after rotary valve 17 is out of order
It connects from the exhaust outlet of incinerator and is discharged, organic exhaust gas is caused to leak, destroy atmosphere, pollute environment, these are all that traditional RTO is burnt
Burn the defect of furnace；To solve the above-mentioned problems, the free style RTO incinerator of the application is square structure, when installing ceramic honey comb 2
It can be directly placed in 1 bottom of burner hearth, steelframe 16 is not needed and make somebody a mere figurehead ceramic honey comb 2, multiple tracks ceramic honey comb 2 can thoroughly oxygen
Change and decompose organic exhaust gas, prevent organic exhaust gas from leaking, improve security performance, protects environment；Double-tower type RTO incinerator and rotating disc type
RTO incinerator, furnace body are to erect structure, and ceramic honey comb 2 is all mounted on steelframe 16, and long-time high-temperature oxydation steelframe 16 can collapse
It collapses, rotary valve 17, which is used for a long time, to be out of order, and increase insecurity factor, in addition, double-tower type RTO incinerator and rotating disc type RTO
10-25% heat is usually used to preheat ceramic honey comb by incinerator, is then directly discharged into chimney, causes thermal loss, and this Shen
The heat of free style RTO incinerator please can make full use of.
Adjustment in relation to organic exhaust gas residence time in burner hearth 1, extending organic exhaust gas, residence time can in burner hearth 1
To guarantee that organic exhaust gas has the time of fully oxidized decomposition, this is the key that guarantee the discharge of RTO tail gas from incinerator up to environmental requirement
Place, free style RTO incinerator is since in 1 Zhong You of burner hearth, tri- Dao Huo, tri- or more ceramic honey comb 2, the placement of ceramic honey comb 2 is vertical
Directly in the flow direction of organic exhaust gas, crown_interception is played to organic exhaust gas, the width of adjusting per pass ceramic honey comb 2 can also be passed through
Degree, increases or decreases the flow resistance of organic exhaust gas, so that organic exhaust gas stops the longer time in burner hearth 1, therefore organic waste
The oxygenolysis processing of gas is more thorough, and after national environmental protection newly advises appearance, its exhaust emissions can be up to standard.
The application is additionally provided with negative pressure system, and negative pressure system includes exhaust gas fan 51, accessory fan 52, air-introduced machine 53, multiple
Pressure difference transmitter 56 and two exhaust gas concentration alarm devices 55, the rear and front end of exhaust gas fan 51 and the rear and front end of air-introduced machine 53 are equal
Provided with pressure difference transmitter 56, when pressure difference transmitter 56 detects 53 front and back of pressure difference or air-introduced machine of 51 rear and front end of exhaust gas fan
The pressure difference at both ends is that the exhaust gas concentration alarm device 55 that positive pressure phase is answered will issue alarm, while negative pressure system is by adjusting exhaust gas
The inlet end of the air quantity wind speed of blower 51, air-introduced machine 53 and accessory fan 52, the burner hearth 1 is equipped with burner hearth superelevation temperature protection device
58, burner hearth 1 is equipped with three low temperature, high temperature and superhigh temperature control points, and low-temperature ignition, high temperature is flame-out, the burner hearth superhigh temperature protection
Device 58 is safety control system, and when superhigh temperature occurs in burner hearth 1, burner hearth superelevation temperature protection device 58 automatically drops burner hearth 1
Temperature, so that burner hearth 1 is returned to normal condition；Negative pressure controller 57 remains burner hearth 1 for automatically coordinating negative pressure system
Negative pressure state, negative pressure state are that the pressure difference between exhaust gas fan 51 and air-introduced machine 53 is negative pressure, and negative pressure system effectively finely tunes institute
Stating organic exhaust gas burning processing system is negative pressure state, prevents the organic exhaust gas concentration over-standard in burner hearth 1, avoids generating tempering now
As eliminating the security risks such as explosion, fire, improving system operational safety performance.
In the present embodiment, the burner hearth 1 is equipped with insulating layer 11 and flame retardant coating 12, and the insulating layer 11 is enclosed set on flame retardant coating 12
Outside, the flame retardant coating 12 encloses set on multiple ceramic honey combs 2, it is preferable that the insulating layer 11 can be by aluminium silicate fiber
Dimension material is made, and the flame retardant coating 12 can be made of thermal insulation fire-resistant brick；Traditional RTO incinerator is all using alumina silicate
Fiber is insulating layer 11, and using after a period of time under 800-950 DEG C of hot environment, alumina silicate fibre can be gradually ablated
Be thinned, reduce heat insulation effect, and can be burnt, be easy to cause fire casualty and damage RTO incinerator, and the application from
One of thermal insulation fire-resistant brick layer is further added by alumina silicate fibre layer by formula RTO incinerator, forms a kind of sandwich structure, due to protecting
Its high temperature resistant of warm refractory brick extends the service life of insulating layer 11 and flame retardant coating 12 up to 1300 DEG C, guarantees that RTO incinerator can be grown
Phase use reduces cost without being burnt；Preferably, the outside of the heating by the exhaust gases device 3 and air preheater 4 can be with
Equipped with the second insulating layer 42, second insulating layer 42 can be made of thermal insulation material, for heating by the exhaust gases device 3 and air
Heat storage inside preheating device 4.
In the present embodiment, the organic exhaust gas burning processing system further includes the equal bellows 6 for collecting organic exhaust gas, institute
Equal bellows 6 are stated to be connected to the inlet end of exhaust gas fan 51.The equal bellows 6 are used to collect to be produced in the process of manufacture of copper-clad plate
Raw a large amount of organic exhaust gas.
In the present embodiment, the burner hearth 1 includes secondary preheating room 13, combustion chamber 14 and heat accumulation room 15, secondary preheating room 13
It is connected to combustion chamber 14, combustion chamber 14 is connected to heat accumulation room 15, and multiple ceramic honey combs 2 are arranged in combustion chamber 14 and heat accumulation room
15, the combustion chamber 14 is located at the centre of two adjacent ceramic honey combs 2, is equipped with 141 He of firing device in the combustion chamber 14
For being passed through the material guide device 142 of fuel, the firing device 141 is connected to material guide device 142.
The ceramic honey comb 2 of traditional RTO incinerator designs at the middle part of RTO incinerator, and organic exhaust gas is under ceramic honey comb 2
End enters in burner hearth 1 across ceramic honey comb 2, since the temperature of organic exhaust gas is all relatively low, usually at 100 DEG C or so, causes to have
Low-molecular material in machine exhaust gas is easy to deposit in the lower end of ceramic honey comb 2, in order to improve accumulation of heat effect, usual ceramic honey comb 2
Hole all very littles deposit the low-molecular material to get off with the on the high side of 2.5mm and ceramic honey comb 2 gradually caused to block, ceramic honey comb 2 goes out
It now glues after blocking up, organic exhaust gas circulation is obstructed, and is easy for safety problem occur, in addition to this, since the appearance of ceramic honey comb 2 is viscous stifled
Reduced later into the organic waste tolerance of burner hearth 1, fuel consumption caused to increase, increase cost, many enterprises using " returning burning " (
Referred to as back washing), i.e. introducing high temperature removes the viscous low-molecular material got lodged on lower end ceramic honey comb 2, this work is taken a lot of work expense very much
When, these traditional RTO incinerators usually just need repairing or replace in a year or so primary expensive ceramic honey comb 2, dimension
It is quite high to repair expense；And the free style RTO incinerator of the application make organic exhaust gas by heating by the exhaust gases device 3 preheat for the first time with
Afterwards, into the secondary preheating room 13 in burner hearth 1, secondary preheating 13 is carried out by the ceramic honey comb 2 in burner hearth 1, by secondary preheating
Organic exhaust gas temperature afterwards is higher, and the hole that it effectively prevents ceramic honey comb 2 is asked by viscous block up of the low-molecular material in organic exhaust gas
Topic, further, since organic exhaust gas is preheating to relatively high temperature, the greatly temperature between diminution organic exhaust gas and combustion chamber 14
Difference reduces maintenance cost, reduces cost, reach energy-efficient effect；Preferably, the firing device is for lighting natural gas.
In the present embodiment, the heating by the exhaust gases device 3 is equipped with the heating by the exhaust gases pipeline 32 of the second exhaust piping 31 and detour,
The inlet end of the heating by the exhaust gases pipeline 32 is connected to the first exhaust piping 54, the outlet side of the heating by the exhaust gases pipeline 32 via
Second exhaust piping 31 is connected to secondary preheating room 13.The heating by the exhaust gases pipeline 32 is located in heating by the exhaust gases device 3, described useless
Gas preheating pipe 32 is in detour bending, and the heating by the exhaust gases pipeline 32 is for extending organic exhaust gas in heating by the exhaust gases device 3
Time improve pre-heat effect so that organic exhaust gas is effectively preheated, reduce the temperature between organic exhaust gas and combustion chamber 14
Difference reduces the consumption of fuel, energy saving.
In the present embodiment, the organic exhaust gas burning processing system further includes electronic safety control system, the electronics
Formula safety control system includes the temperature buzzer 71 for being set to burner hearth 1, the quenching system 72 for being set to burner hearth 1 and equal bellows 6
The blow valve 73 of connection, the electronic safety control system further include thermostat valve 75 and multiple fire arresters 74, multiple resistances
Firearm 74 is respectively arranged at the first exhaust piping 54 and the second exhaust piping 31, and the thermostat valve 75 is set to exhaust gas fan 51
Inlet end.In practice, when the temperature in burner hearth 1 is higher than preset temperature, temperature buzzer 71 is sounded an alarm, while cold wind system
72 starting of system, cools down to burner hearth 1；When accident occurs in the organic exhaust gas burning processing system, have little time using cold wind system
When 72 cooling processing of system, it can use blow valve 73 for entire organic exhaust gas burning processing system blowdown pressure letdown, improve safety
Energy；Fire arrester 74 is the safety device for preventing the propagation of flame of inflammable gas or flammable liquid steam, is typically mounted at defeated
It send in the pipeline of fuel gas, if the organic exhaust gas of the first exhaust piping 54 or the second exhaust piping 31 is ignited, gas fire
Flame will travel to entire pipe network, may cause fire, and the fire arrester 74 improves security performance for preventing flame propagation.
In the present embodiment, the organic exhaust gas burning processing system further includes safety mechanical control system, the machinery
Formula safety control system includes multiple explosion rupture disks 8, and multiple explosion rupture disks 8 are respectively arranged at equal bellows 6 and burner hearth 1.Specifically,
Explosion rupture disk 8 can the explosion under defined temperature and pressure, pressure of releasing, when the electronic type of the organic exhaust gas burning processing system
Safety control system in the event of failure, is released pressure by multiple explosion rupture disks 8 of safety mechanical control system, improves security performance,
Improve reliability.
In the present embodiment, the organic exhaust gas burning processing system further includes multiple for installing and overhauling the honeycomb pottery
The maintenance channel 9 of porcelain 2, multiple maintenance channels 9 are set to burner hearth 1, and the maintenance channel 9 is equipped with safety door.Traditional is double
Tower, three-tower type, rotating disc type RTO incinerator use honeycomb after a period of time not for safeguarding the space of ceramic honey comb 2
Ceramics 2 accumulation of heat intensity be just substantially reduced, when a problem occurs, need to split out ceramic honey comb 2 from burner hearth 1 maintenance or more
It changes, bulky 2 installation and removal difficulty of ceramic honey comb is bigger for traditional RTO incinerator, moreover, maintenance or disassembly
Ceramic honey comb 2 easily causes ceramic 2 fragmentations of partial cell, so the ceramic honey comb 2 of traditional RTO incinerator can only be replaced,
Cause maintenance cost very high；In addition, the middle part of traditional rotating disc type RTO incinerator is equipped with circle turntable, rotating disc type RTO incinerator
For the setting of ceramic honey comb 2 on circle turntable, the circle turntable of rotating disc type RTO incinerator is equably divided into 12 parts around its center of circle
(or 16 parts), then each part is one pointed close to center of circle part, and is an arc close to excircle part, and one
As ceramic honey comb 2 be all square, by square ceramic honey comb 2 be put into the round turntable, ceramic honey comb 2 just must
Must cutting, and the bore dia of common ceramic honey comb 2 all very littles, when in order to guarantee to put all holes can consistency from top to bottom, bee
The cutting difficulty of nest ceramics 2 is very big, and ceramic honey comb 2 contains a large amount of aluminium oxide, and hardness is very high, cuts polishing difficulty
Very big, upper lower opening alignment when in order to guarantee that the ceramic honey comb 2 after cutting is put causes the difficulty put also very big, therefore
The installation process of the ceramic honey comb 2 of traditional rotating disc type RTO incinerator wastes material very much, and time-consuming, installation cost is very
Greatly, in addition, due to traditional double-tower type RTO incinerator and rotating disc type RTO incinerator, their burner hearth 1 is to erect structure, honeycomb
Ceramics 2 are all mounted on the middle part of burner hearth 1, and not only installation difficulty is big, and do not have space for maintenance, need when safeguarding to furnace body by honeycomb
Ceramics 2 disassemble, and it is all very big to dismantle difficulty and workload；To solve the above-mentioned problems, the free style RTO incinerator of the application
For rectangular configuration, and there are several maintenance channels 9 and safety doors in burner hearth 1 and the multiple positions of furnace body, when installing ceramic honey comb 2
It is directly placed on 1 pedestal of burner hearth, does not need to cut and put ceramic honey comb 2, it is easy to operate, in addition, multiple tracks is safe
Door also facilitates multiple maintenance personals while disengaging carries out Inspection and maintenance to equipment, improves the working efficiency of Inspection and maintenance.
In the present embodiment, the outlet side of the air preheater 4 is communicated with air pipeline 41, and the air pipeline 41 is remote
One end from air preheater 4 is connected to the second exhaust piping 31, and the air pipeline 41 is for being conveyed through air preheat
The air that device 4 preheats is to the second exhaust piping 31, and in the second exhaust piping 31, organic exhaust gas arrives at two after mixing with air
In secondary preheating chamber 13.
In the present embodiment, the organic exhaust gas burning processing system further includes row's tail gas unit 10, row's tail gas unit
10 one end is connected to the outlet side of air-introduced machine 53；Preferably, row's tail gas unit 14 can be chimney, for arranging tail gas
Atmosphere out.
All technical characteristics in the present embodiment can be freely combined according to actual needs.
Above-described embodiment is the preferable implementation of the present invention, and in addition to this, the present invention can be realized with other way,
Do not depart from the technical program design under the premise of it is any obviously replace it is within the scope of the present invention.
Claims (10)
1. a kind of organic exhaust gas burning processing system, it is characterised in that: including burner hearth (1), negative pressure system, be set to burner hearth (1)
Ceramic honey comb (2) interior and that the heat that discharges is saved when for burning to organic exhaust gas is connected to burner hearth (1) and is used for organic
The heating by the exhaust gases device (3) of heating by the exhaust gases and the air preheat for being connected to heating by the exhaust gases device (3) and being used to heat air
Device (4), the quantity of the ceramic honey comb (2) are three or three or more, and ceramic honey comb described in multiple tracks (2), which is parallel to each other, to be set
It sets, organic exhaust gas successively passes perpendicularly through ceramic honey comb described in multiple tracks (2)；
The negative pressure system include for convey the exhaust gas fan of organic exhaust gas (51), be set to air preheater (4) into
Gas end and for convey air accessory fan (52), be set to air preheater (4) outlet side air-introduced machine (53)
And it is set to the negative pressure controller (57) into air end of burner hearth (1), the negative pressure system further includes the first exhaust piping
(54), two exhaust gas concentration alarm devices (55) and multiple pressure difference transmitters (56), the exhaust gas fan (51) are useless via first
Feed channel (54) is connected to heating by the exhaust gases device (3), and two pressure difference transmitters (56) are respectively arranged at exhaust gas fan (51)
Front-end and back-end and connection is connect with a concentration alarm device (55), two pressure difference transmitters (56) are respectively arranged at
The front-end and back-end of air-introduced machine (53) are simultaneously connect with another exhaust gas concentration alarm device (55).
2. a kind of organic exhaust gas burning processing system according to claim 1, it is characterised in that: the burner hearth (1) is equipped with
Insulating layer (11) and flame retardant coating (12), the insulating layer (11) enclose the outside set on flame retardant coating (12), and the flame retardant coating (12) is enclosed
Set on multiple ceramic honey combs (2).
3. a kind of organic exhaust gas burning processing system according to claim 1, it is characterised in that: the organic exhaust gas burns
Processing system further includes the equal bellows (6) for collecting organic exhaust gas, the inlet end of the equal bellows (6) and exhaust gas fan (51)
Connection.
4. a kind of organic exhaust gas burning processing system according to claim 3, it is characterised in that: the burner hearth (1) includes
Secondary preheating room (13), combustion chamber (14) and heat accumulation room (15), secondary preheating room (13) are connected to combustion chamber (14), combustion chamber
(14) it is connected to heat accumulation room (15), multiple ceramic honey combs (2) are arranged in combustion chamber (14) and heat accumulation room (15), the burning
Room (14) is located at the centre of two adjacent ceramic honey combs (2), and firing device (141) are equipped in the combustion chamber (14) and are used for
It is passed through the material guide device (142) of fuel, the firing device (141) is connected to material guide device (142).
5. a kind of organic exhaust gas burning processing system according to claim 4, it is characterised in that: the heating by the exhaust gases device
(3) the heating by the exhaust gases pipeline (32) of the second exhaust piping (31) and detour, the inlet end of the heating by the exhaust gases pipeline (32) are equipped with
Be connected to the first exhaust piping (54), the outlet side of the heating by the exhaust gases pipeline (32) via the second exhaust piping (31) with it is secondary
Preheating chamber (13) connection.
6. a kind of organic exhaust gas burning processing system according to claim 5, it is characterised in that: the organic exhaust gas burns
Processing system further includes electronic safety control system, and the electronic safety control system includes being set to the temperature of burner hearth (1)
Degree alarm device (71), the quenching system (72) for being set to burner hearth (1), the blow valve (73) for being set to equal bellows (6), the electronics
Formula safety control system further includes thermostat valve (75) and multiple fire arresters (74), and multiple fire arresters (74) are respectively arranged at
One exhaust piping (54) and the second exhaust piping (31), the thermostat valve (75) are set to the inlet end of exhaust gas fan (51).
7. a kind of organic exhaust gas burning processing system according to claim 3, it is characterised in that: the organic exhaust gas burns
Processing system further includes safety mechanical control system, and the safety mechanical control system includes multiple explosion rupture disks (8), multiple
The explosion rupture disk (81) is respectively arranged at equal bellows (6) and burner hearth (1).
8. a kind of organic exhaust gas burning processing system according to claim 1, it is characterised in that: the organic exhaust gas burns
Processing system further includes multiple for installing and overhauling the maintenance channel (9) of the ceramic honey comb (2), multiple maintenance channels
(9) it is set to burner hearth (1), the maintenance channel (9) is equipped with safety door.
9. a kind of organic exhaust gas burning processing system according to claim 5, it is characterised in that: the air preheater
(4) outlet side is communicated with air pipeline (41), the one end and second of the air pipeline (41) far from air preheater (4)
Exhaust piping (31) connection.
10. a kind of organic exhaust gas burning processing system according to claim 1, it is characterised in that: the organic exhaust gas is burnt
Burning processing system further includes row tail gas unit (10), and one end of row's tail gas unit (10) and the outlet side of air-introduced machine (53) connect
It is logical.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811032268.8A CN109340785A (en) | 2018-09-05 | 2018-09-05 | A kind of organic exhaust gas burning processing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811032268.8A CN109340785A (en) | 2018-09-05 | 2018-09-05 | A kind of organic exhaust gas burning processing system |
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Application publication date: 20190215 |