[go: up one dir, main page]

CN107401749A - Compound source of the gas burner, waste gas combustion furnace and exhaust treatment system - Google Patents

Compound source of the gas burner, waste gas combustion furnace and exhaust treatment system Download PDF

Info

Publication number
CN107401749A
CN107401749A CN201610341950.XA CN201610341950A CN107401749A CN 107401749 A CN107401749 A CN 107401749A CN 201610341950 A CN201610341950 A CN 201610341950A CN 107401749 A CN107401749 A CN 107401749A
Authority
CN
China
Prior art keywords
gas
burner
combustion
incinerator
waste gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610341950.XA
Other languages
Chinese (zh)
Other versions
CN107401749B (en
Inventor
许栋铭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Construction Engineering Technology Co Ltd
Original Assignee
Beijing Construction Engineering Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Construction Engineering Technology Co Ltd filed Critical Beijing Construction Engineering Technology Co Ltd
Priority to CN201610341950.XA priority Critical patent/CN107401749B/en
Publication of CN107401749A publication Critical patent/CN107401749A/en
Application granted granted Critical
Publication of CN107401749B publication Critical patent/CN107401749B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46Details, e.g. noise reduction means
    • F23D14/48Nozzles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2206/00Waste heat recuperation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2207/00Control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2207/00Control
    • F23G2207/10Arrangement of sensing devices
    • F23G2207/102Arrangement of sensing devices for pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2209/00Specific waste
    • F23G2209/14Gaseous waste or fumes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2900/00Special features of, or arrangements for incinerators
    • F23G2900/55Controlling; Monitoring or measuring

Landscapes

  • 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 discloses a kind of compound source of the gas burner, waste gas combustion furnace and exhaust treatment system.Exhaust treatment system includes the waste gas combustion furnace of upward jet combustion in a stove;Incinerator connects a high temperature carbonization furnace flue gas leading, a low temperature carbonization furnace flue gas leading and a fuel gas pipe;Waste gas combustion furnace includes body of heater, blast pipe, chassis and compound source of the gas burner.Wherein compound source of the gas burner, using double eddy current type combustion technologies:The flame of burner rises with waste gas in vortex shape rotation, and both direction of rotation are opposite so that waste gas and flame contact are more abundant in combustion process, and burning is more complete.For exhaust treatment system using integrated control mode, control system can take into account high temperature carbonization furnace and the respective control of low-temperature carbonization furnace requires, can reduce and set an incinerator, or avoid opening two incinerators simultaneously, the equipment investment of carbon fiber production will be greatly lowered.

Description

Compound source of the gas burner, waste gas combustion furnace and exhaust treatment system
Technical field
This patent disclosure relates generally to exhaust-gas treatment field, in particular to a kind of compound source of the gas burner, give up Gas incinerator and exhaust treatment system.
Background technology
Polyacrylonitrile (PAN) base carbon fibre as a kind of high performance material, have high intensity, high-modulus, High-wearing feature, it is in light weight the features such as, multi-field obtain more and more extensive application in industry, life etc.. High and low temperature is carbonized as the critical process in carbon fiber production process, can produce large quantity of exhaust gas, Jiao therebetween The pollutants such as oil, it is necessary to high temperature incineration handle, if but insufficient will be attached to of the burning of tar set Standby and inner-walls of duct, results in blockage, and later stage cleaning work is very cumbersome;And caused powder after tar burning Dirt will be also deposited in equipment and pipeline, if cleaning will cause incinerator to stop not in time;In addition, burn It is higher to burn the exhaust temperature of processing, there is good waste heat recovery value.Therefore, a set of burning is designed Efficiently, longtime running, the exhaust gas treatment technology that cleaning is convenient, waste heat is recyclable and device are given birth to carbon fiber It is most important for production.
In addition, in the parameter of each carbon fiber production apparatus, the furnace pressure and high temperature carbonization furnace of low temperature carbonization furnace Exhaust gas flow be two influence product qualities key indexs, if by the waste gas of high and low temperature carbide furnace point Two incinerators are not passed through can be achieved on and be separately controlled, but equipment investment will double.Therefore, If two above key index only can be controlled simultaneously with an incinerator, design it is a set of it is simple, efficient, Reliably integrated control mode, the equipment investment of carbon fiber production will be greatly lowered.
Above- mentioned information is only used for strengthening the reason of the background to the present invention disclosed in the background section Solution, therefore it can include not forming the information to prior art known to persons of ordinary skill in the art.
The content of the invention
A series of concept of reduced forms is introduced in Summary, this will be in embodiment It is further described in part.Present invention part is not meant to attempt to limit required guarantor The key feature and essential features of the technical scheme of shield, do not mean that more attempt to determine it is claimed Technical scheme protection domain.
A primary object of the present invention is at least one defect for overcoming above-mentioned prior art, there is provided one Kind of exhaust treatment system, simultaneously stability contorting can be realized to the flow and pressure of two kinds of exhaust gas sources respectively.
Another main purpose of the present invention is at least one defect for overcoming above-mentioned prior art, there is provided A kind of waste gas combustion furnace, by the way of upward jet combustion, and can improves efficiency of combustion, while can also Reduce dust and easy cleaning dust.
Another main purpose of the present invention is at least one defect for overcoming above-mentioned prior art, there is provided A kind of compound source of the gas burner, achievable gas burning is complete, burner malfunctions rate is low, exhaust emissions mark Accurate high effect.
For achieving the above object, the present invention adopts the following technical scheme that:
According to an aspect of the invention, there is provided a kind of compound source of the gas burner, the burner are provided with At least two gas source interfaces, the burner at least access a fuel gas and one by combustion gas body;The combustion Burner includes first jet and second nozzle, and the first jet and second nozzle spray gas upward; The first jet connects a gas source interface, and the second nozzle connects another gas source interface;Described first Nozzle includes multiple first spray orifices, multiple first spray orifice annular arrangements in the second nozzle periphery, Multiple first spray orifices tilt to side;The second nozzle includes multiple second spray orifices, Duo Gesuo The second spray orifice annular arrangement is stated, multiple second spray orifices tilt to opposite side;Multiple first sprays Hole is opposite with the incline direction of multiple second spray orifices.
According to an embodiment of the present invention, wherein gas of the first jet with accessing the fuel gas Source interface is connected;The second nozzle is connected with accessing the gas source interface by combustion gas body.
According to an embodiment of the present invention, wherein the first jet sprays gas for the clockwise or inverse time Pin direction rotating vortex rises, and in contrast, the second nozzle sprays gas for counterclockwise or clockwise Direction rotating vortex rises.
According to an embodiment of the present invention, wherein the angle of first spray orifice and horizontal plane 60 to 80°;The angle of second spray orifice and horizontal plane is at 60 to 80 °.
According to an embodiment of the present invention, wherein the burner includes an annular body, the annular Body interior is a mesopore, the mesopore opening upwards;The first jet is formed at the annular body On, the outlet of multiple first spray orifices is positioned at the upper surface of the annular body;The second nozzle shape Described in Cheng Yu in mesopore, multiple gas grid, multiple inclined annulars of gas grid are provided with the mesopore Arrange, be formed as second spray orifice between the adjacent gas grid.
According to another aspect of the present invention, there is provided a kind of waste gas combustion furnace, including body of heater, blast pipe, bottom Frame and foregoing compound source of the gas burner;It is combustion space in the body of heater;The blast pipe exists The combustion space is connected at the top of the body of heater;The burning that the chassis is installed in the body of heater is empty Between bottom;The burner is installed on the chassis, with the chassis by the relatively described stove of the burner Body bottom wall props up certain distance;The burner sprays fuel gas and waste gas upwards, the gas after burning Discharged upwards through the blast pipe.
According to an embodiment of the present invention, it is described wherein the body of heater is provided with more than one baffle plate Baffle plate bearing of trend intersects with the gas ascent direction after burning, and the baffle plate side is gas rising passway.
According to an embodiment of the present invention, wherein the body of heater be provided with relative extension first baffle and Second baffle, the first baffle extension angle is different from the second baffle extension angle, and described first It is gas rising passway between baffle plate and second baffle.
According to an embodiment of the present invention, wherein the bottom of furnace body outer wall, which is provided with, may be selected unlatching Hole.
According to another aspect of the present invention, there is provided a kind of exhaust treatment system, including foregoing waste gas Incinerator, the incinerator connect a high temperature carbonization furnace flue gas leading, a low temperature carbonization furnace flue gas leading and a combustion Expect tracheae;The high temperature carbonization furnace flue gas leading is provided with flow meters and flow control valve, a flow control Device signal processed connects the flowmeter and flow control valve, and the flow controller is according to the flowmeter Detection signal controls the flow control valve, to maintain the high temperature carbonization furnace flue gas leading to the incinerator The exhaust gas flow being passed through;The low temperature carbonization furnace flue gas leading is provided with a pressure sensor, the incinerator A pressure detector is inside provided with, controllable exhaust apparatus is provided with the blast pipe of the incinerator;One pressure Force controller signal connects pressure sensor, the pressure detector and the controllable exhaust apparatus, The pressure controller is according to the control of the signal difference of the pressure sensor and the pressure detector The exhaust velocity of controllable exhaust apparatus.
According to an embodiment of the present invention, wherein being provided with more than one on the blast pipe of the incinerator Heat exchanger.
According to an embodiment of the present invention, wherein the controllable exhaust apparatus includes frequency converter and air-introduced machine, Pass through the flow velocity of air-introduced machine described in the Frequency Converter Control.
As shown from the above technical solution, at compound source of the gas burner of the invention, waste gas combustion furnace and waste gas The advantages of reason system and good effect are:
It is provided in an embodiment of the present invention, the exhaust treatment system of polyacrylonitrile-based carbon fibre process for carbonization production, Using integrated control mode, control system can take into account high temperature carbonization furnace and the respective control of low-temperature carbonization furnace will Ask, can reduce and an incinerator is set, or avoid opening two incinerators simultaneously, carbon will be greatly lowered The equipment investment of fiber production.
Incinerator provided in an embodiment of the present invention has quick cleaning structure, and incinerator bottom is reserved with enough Space be used for deposit burning dust, open manhole can quickly clear up.
Compound source of the gas burner provided in an embodiment of the present invention, using double eddy current type combustion technologies:Burner Flame and waste gas rise in vortex shape rotation, and both direction of rotation are opposite so that are given up in combustion process Gas is more abundant with flame contact, and burning is more complete.
Tail gas from incinerator cleannes provided in an embodiment of the present invention are high, and baffle plate is provided with the top of incinerator, can Big dust particle is avoided to be resulted in blockage by air-introduced machine suction waste line.
Tail gas from incinerator waste heat recovery provided in an embodiment of the present invention:Waste gas after processing is through two groups of heat exchangers Carry out heat recovery.
Brief description of the drawings
Following the following detailed description of the embodiment of the present invention is considered in conjunction with the accompanying drawings, and of the invention is each Kind target, feature and advantage will become apparent.Accompanying drawing is only the exemplary diagram of the present invention, It is not necessarily drawn to scale.In the accompanying drawings, same reference represents same or similar all the time Part.Wherein:
Fig. 1 is a kind of structural representation of exhaust treatment system according to an illustrative embodiments.
Fig. 2 is a kind of structural representation of exhaust treatment system according to another exemplary embodiment Figure.
Fig. 3 is a kind of structural representation of waste gas combustion furnace according to an illustrative embodiments.
Fig. 4 is a kind of structural representation of compound source of the gas burner according to an illustrative embodiments Figure.
Wherein, description of reference numerals is as follows:
1st, high temperature carbonization furnace flue gas leading;11st, flowmeter;12nd, flow control valve;13rd, flow controller; 2nd, low temperature carbonization furnace flue gas leading;21st, pressure sensor;22nd, pressure detector;23rd, pressure controller; 3rd, controllable exhaust apparatus;31st, frequency converter;32nd, air-introduced machine;4th, heat exchanger;
5th, burner;51st, annular body;52nd, mesopore;511st, spray orifice face;53rd, first jet; 531st, the first spray orifice;54th, second nozzle;541st, the second spray orifice;55th, gas grid;
6th, incinerator;61st, body of heater;62nd, combustion space;63rd, blast pipe;64th, chassis;65th, One baffle plate;66th, second baffle;67th, rising passway;68th, hole.
Embodiment
Example embodiment is described more fully with referring now to accompanying drawing.However, example embodiment can Implement in a variety of forms, and be not understood as limited to embodiment set forth herein;Conversely, there is provided this A little embodiments cause the present invention fully and completely, and the design of example embodiment will be passed on comprehensively To those skilled in the art.Identical reference represents same or similar structure in figure, thus will Omit their detailed description.
Fig. 1 is a kind of structural representation of exhaust treatment system according to an illustrative embodiments. As illustrated, fired for exhausted air quantity in existing polyacrylonitrile-based carbon fibre process for carbonization production is big, hardly possible is abundant The problems such as burning, tar content are high, incineration residue is more, the embodiment of the present invention provide a kind of polyacrylonitrile-based carbon Exhaust treatment system in fibers carbonization production technology, mainly include a waste gas combustion furnace 6, a kind of example Under situation, the incinerator 6 can be switched in a kind of polyacrylonitrile-based carbon fibre process for carbonization production one high The warm low temperature carbonization furnace flue gas leading 2 of carbide furnace flue gas leading 1 and one, and a fuel gas pipe (being omitted in figure) is connected, With fuel gas pipe fuel gas is provided to exhaust treatment system.Here select polyacrylonitrile-based carbon fibre carbon High temperature carbonization furnace flue gas leading 1 and low temperature carbonization furnace flue gas leading 2 in metaplasia production. art access one and given up simultaneously Gas incinerator 6 carries out burning disposal, and the useless of high temperature carbonization furnace flue gas leading 1 is controlled respectively with an incinerator The exhaust gas pressure of throughput and low temperature carbonization furnace flue gas leading 2, setting for carbon fiber production is greatly lowered with this Standby input.
For in the exhaust-gas treatment example of polyacrylonitrile-based carbon fibre process for carbonization production, high temperature carbonization furnace gives up Flow meters 11 and flow control valve 12 are may be provided with the pipeline of tracheae 1, a flow controller 13 is believed Number connection flow gauge 11 and flow control valve 12.Flow controller 13 can be according to the detection of flowmeter 11 Signal controls flow control valve 12, to maintain the waste gas that high temperature carbonization furnace flue gas leading 1 is passed through to incinerator 6 Flow.In one instantiation, Annular Round Model PFB 11 is mounted with the pipeline of high temperature carbonization furnace flue gas leading 1 And the use of Pneumatic butterfly valve is flow control valve 12, flow controller 13 is by by the actual value of flowmeter 11 Compared with sets target value, the aperture of Pneumatic butterfly valve is controlled in real time, so as to realize that high temperature carbonization furnace gives up Throughput is stable in sets target value.
In addition, low temperature carbonization furnace flue gas leading 2 is provided with a pressure sensor 21, for low temperature carbonization furnace The measurement and display of furnace pressure.Incinerator 6 is provided with a pressure detector 22, to detect incinerator Gas pressure in 6.Controllable exhaust apparatus 3 is provided with the blast pipe 63 of incinerator 6.Controllable exhaust Device 3 mainly includes frequency converter 31 and air-introduced machine 32, can control air-introduced machine 32 by frequency converter 31 Flow velocity.The signal of one pressure controller 23 connection pressure sensor 21, pressure detector 22 and controllable exhaust Device 3, pressure controller 23 control according to the signal difference of pressure sensor 21 and pressure detector 22 The exhaust velocity of controllable exhaust apparatus 3.In one instantiation, pressure controller 23 can be by by feeling of stress The actual value of device 21 is surveyed compared with the actual value of pressure detector 22, when difference is more than sets target During value, signaled by the control module of pressure detector 22 or pressure sensor 21 to frequency converter 31, it is real The change of the existing rotating speed of waste gas air-introduced machine 32, i.e., realize low-carbon furnace stove by adjusting the furnace pressure of incinerator 6 The stabilization of pressure.The blast pipe connected with waste gas air-introduced machine 32 may be selected to connect the top of incinerator 6, can also The bottom of incinerator 6 is connected in selection.
According to another embodiment of the present invention, more than one is may be provided with the blast pipe 63 of incinerator 6 Heat exchanger 4.Exemplified by reference picture 2, the tail gas after burning has higher temperature, from the top of body of heater 61 Pipeline enters first heat exchanger 4 and second heat exchanger 4, and heat exchanger 4 utilizes heat transfer medium, can incite somebody to action Heat is respectively used to the sealing gland nitrogen of pre- thermal oxidation furnace air and high and low temperature carbide furnace, after waste heat recovery Exhaust temperature≤60 DEG C, the tail gas after waste heat recovery outside air-introduced machine 32 again by arranging.
Fig. 3 is a kind of structural representation of waste gas combustion furnace according to an illustrative embodiments.Such as Shown in figure, according to an embodiment of the present, there is provided a kind of waste gas combustion furnace 6, mainly including body of heater 61st, blast pipe 63,64 and one compound source of the gas burner 5 of chassis.
It is combustion space 62 in body of heater 61, body of heater 61 is overall to be placed in vertical, and body of heater 61 may be selected to be Round can shaped structure, and top can have dome or taper necking down, in order to which gas is discharged upwards.Body of heater 61 It may be selected to be made up of welded-steel plate construction or other heat proof materials, also may be selected to apply in single material furnace wall Cover heat-resistant material layer.And be not limited with above-mentioned, it is not particularly limited the specific material of body of heater 61.
Blast pipe 63 may be selected to connect combustion space 62 at the top of body of heater 61;It can rise according to hot-air Principle lifting emptying efficiency.
It may be selected to be installed on the bottom of combustion space 62 in body of heater 61 with a chassis 64, chassis 64 can be with Formed for the support body with leg, or the bottom wall projection certain altitude of body of heater 61;Also may be selected from stove The side wall certain altitude of body 61 goes out one horizontal plate or rod member of welding to realize.In a word, it is possible to achieve will burn Device 5 is installed on chassis 64, and burner 5 is propped up into certain distance i.e. with respect to the bottom wall of body of heater 61 with chassis 64 Can;It is not intended to limit the specific implementation form of chassis 64.In one specific example, as shown in FIG., burner 5 just can be used for collecting dust apart from body of heater 61 bottom 50cm, bottom 50cm space.
In a specific embodiment of the invention, burner 5 selects to spray fuel gas and waste gas upwards, with fire After flame fully burns, dust can drop downward into the heavy grey room of the bottom of body of heater 61 (for example, bottom in gas 50cm space), remaining tail gas enters two groups of heat exchangers 4 from the pipeline at top, outer afterwards to arrange.Burn The bottom of stove 6 can be reserved with height and be used to deposit burning dust for 50cm space, and long-play is (about Half a year) after can open a diameter 800mm of side or so manhole 68 and can quickly clear up.
In a specific embodiment of the invention, the gear of more than one stop air-flow can be installed in body of heater 61 Plate, this baffle plate bearing of trend selection are intersected with the gas ascent direction after burning, are gas on the outside of baffle plate Rising passway 67.In a specific embodiment of the invention, body of heater 61 is provided with the first baffle of relative extension 65 and second baffle 66, the extension angle of first baffle 65 is different from the extension angle of second baffle 66, and first It is gas rising passway 67 between baffle plate 65 and second baffle 66.Stopped when tail gas rises by baffle plate Afterwards, flow velocity declines, and big dust particle will be because deadweight will drop back into furnace bottom along furnace wall, so as to avoid by air inducing Machine 32 sucks waste line and resulted in blockage, and according to said structure, dustiness can be less than 30mg/m in tail gas3, General incinerator discharge index can be less than.
Citing in addition, it can also be replaced with overhead gage by other conventional choked flow column plates, as long as being advantageous to gas Gu separation can select to apply, the present invention is not using above-mentioned concrete application example as limitation.In above-described embodiment Waste gas combustion furnace is a kind of selectable incinerator of above-mentioned exhaust treatment system, can using this waste gas combustion furnace The flow of high temperature carbonization furnace flue gas leading 1 and the pressure of low temperature carbonization furnace flue gas leading 2 are more directly and quickly controlled, The equipment investment of carbon fiber production will be greatly lowered.
Fig. 4 is a kind of structural representation of compound source of the gas burner according to an illustrative embodiments Figure.Shown in reference picture, there is provided a kind of example of compound source of the gas burner 5, burner 5 here can So that provided with two or more gas source interfaces, burner 5 can access a fuel gas and one by combustion gas body; To be handled applied to the burning of waste gas.For example, burner 5 may include first jet 53 and second Nozzle 54, first jet 53 and second nozzle 54 spray gas upward;First jet 53 is connected One gas source interface, second nozzle 54 connect another gas source interface.First jet 53 selects and access fuel The gas source interface of gas is connected;Second nozzle 54 selects to be connected by the gas source interface of combustion gas body with access.
First jet 53 includes multiple first spray orifices 531, and multiple annular arrangements of first spray orifice 531 are second The periphery of nozzle 54, multiple first spray orifices 531 select to tilt to side.Second nozzle 54 includes multiple Second spray orifice 541, multiple annular arrangements of second spray orifice 541, multiple second spray orifices 541 are to opposite side Tilt;Multiple first spray orifices 531 are opposite with the incline direction of multiple second spray orifices 541.According to this, burn The flame as caused by fuel gas of device 5 can rise with waste gas (by combustion gas body) in vortex shape rotation, and two Person direction of rotation is anticipated on the contrary, seeing shown in Fig. 3, and solid arrow meaning is flame direction of rotation, dotted line arrow Head meaning is waste gas direction of rotation.It may be such that waste gas is more abundant with flame contact, burning is more complete, through reality Detection is tested, HCN contents can be less than 30ml/m in tail gas3, far below acrylonitrile discharge standard.Phase Compared with existing downward direct spray type hurner, burner just can with the structure burnt upwards in the embodiment of the present invention The problem of overcoming burner to be easily burned.Burner and incinerator are applicable not only to gather in the embodiment of the present invention Acrylonitrile base carbon fiber carbonization waste gas burning processing, can also be applied to the burning processing of other gases, equally The complete, effect that fault rate is low, discharge standard is high of burning can be achieved.
In foregoing description, multiple first spray orifice, 531 and second spray orifice, 541 equal annular arrangements, described " one Side " and " opposite side " refer to that by circular development residing for the first spray orifice 531 and the second spray orifice 541 be plane From the point of view of, for example the left side of plane is " side ", then the right side of the plane is then " opposite side ".Therefore, From the point of view of actually, each first spray orifice 531 is identical with spray orifice only inclination angle value in each group of the second spray orifice 541, Each spray orifice 541 of first spray orifice 531 and second is also inclined to central rotation one again according to annular array form Corner, each first spray orifice 531 are equal to 360 degree to the deflection angle sum at center.Each second spray orifice 541 to The deflection angle sum at center is also equal to 360 degree.
In a specific embodiment of the invention, the quantity of the first spray orifice 531 and the second spray orifice 541 can be selected For 8.The angle of first spray orifice 531 and horizontal plane can be between 60 to 80 °;Second spray orifice 541 with The angle of horizontal plane can be between 60 to 80 °.First jet 53 sprays gas for side clockwise or counterclockwise Rise to rotating vortex, in contrast, second nozzle 54 sprays gas to revolve counterclockwise or clockwise Turn vortex to rise.
For example, as shown in figure 4, in a specific embodiment, burner 5 may be selected main with an annular Body 51 realizes, the inside of annular body 51 can be a mesopore 52, the opening upwards of mesopore 52.By first Nozzle 53 is formed in annular body 51, and the outlet of multiple first spray orifices 531 is located at annular body 51 Upper surface.Second nozzle 54 is formed in mesopore 52, may be selected to set multiple gas grid in mesopore 52 55, multiple 55 inclined annular arrangements of gas grid, be formed as one second between adjacent gas grid 55 Spray orifice 541.Spray orifice is formed with the interval of gas grid 55, the rotating vortex that gas can be formed in mesopore rises On the basis of, moreover it is possible to make by combustion gas body quickly through maximumlly using central space, furthermore, it is possible to save Material saving.
Wherein, the upper surface of annular body 51 corresponds to the outlet of each first spray orifice 531 and is set to multiple spray orifice faces 511, each spray orifice face 511 may be selected respectively with the side of extension of the first spray orifice 531 in oneself spray orifice face 511 To vertical.If it is desired, spray orifice face 511 is available for setting special nozzle structure or burner part.Spray orifice Face 511 can also easily position other such as cleaning mechanism or measuring mechanism.It should be understood that spray orifice face 511 setting can also more optimally realize that the rotating vortex for spraying gas rises, and cardinal principle is, sprays After going out gas burning, gas volume rapid expanding, spray orifice face 511 is used as a reaction surface, and it keeps Keep vertical substantially with spray orifice, or certain radian or angle are kept to by center of circle side of emission direction, can be more Reaction force is produced well to release so that gas to be tilted.
Again for example, burner 5 can be made up of High-temperature resistant alloy material, and art technology can be specific Selection suitable material is manufactured, and the present invention is not limited to a certain specific material.Burner 5 is also optional Select multigroup spray orifice that annular arrangement with one heart is directly formed in a main body, or selection two and two or more The annular solid for having spray orifice assembles.Incline direction interlaced arrangement between each group spray orifice.It is typically chosen Be to be surrounded with fuel gas spray orifice by combustion gas body opening, can be to be surrounded from outside, or it is inside and outside surround, That is, in addition to being a circle fuel gas spray orifice except outside, a fuel gas can also be arranged again in inner side Body spray orifice;Under this situation, to improve efficiency of combustion, also injection hole can be provided with auxiliary at most middle part Combustion-supporting burning.
Certainly, it will be understood by those skilled in the art that each group spray orifice is also not carried out definitely to source of the gas Limitation, such as, compartment of terrain in multiple fuel gas spray orifices in same annular also may be selected and set a quilt Air jetting holes are fired, so selection still can ensure fully to burn in the case of fuel gas high flow rate.
The exhaust treatment system of polyacrylonitrile-based carbon fibre process for carbonization production provided in an embodiment of the present invention, Using integrated control mode, control system can take into account high temperature carbonization furnace and the respective control of low-temperature carbonization furnace will Ask, can reduce and an incinerator is set, or avoid opening two incinerators simultaneously, carbon will be greatly lowered The equipment investment of fiber production.
Incinerator provided in an embodiment of the present invention has quick cleaning structure, and incinerator bottom is reserved with enough Space be used for deposit burning dust, open manhole can quickly clear up.
Compound source of the gas burner provided in an embodiment of the present invention, using double eddy current type combustion technologies:Burner Flame and waste gas rise in vortex shape rotation, and both direction of rotation are opposite so that are given up in combustion process Gas is more abundant with flame contact, and burning is more complete.
Tail gas from incinerator cleannes provided in an embodiment of the present invention are high, and baffle plate is provided with the top of incinerator, can Big dust particle is avoided to be resulted in blockage by air-introduced machine suction waste line.
Tail gas from incinerator waste heat recovery provided in an embodiment of the present invention:Waste gas after processing is through two groups of heat exchangers Carry out heat recovery.
It is provided in an embodiment of the present invention, the exhaust treatment system of polyacrylonitrile-based carbon fibre process for carbonization production, Automatic control during operation, easy to operate, maintenance cost is low;Only it can control in addition with an equipment The key parameter of two equipment, less investment are simple efficient;Dust cleaning is convenient in stove, can transport for a long time Without blocking, waste heat from tail gas is recycled row, stable, economical.
It should be appreciated that the present invention be not limited in its application to set forth herein part detailed construction and Arrangement.The present invention can have other embodiment, and can realize and perform in many ways. Aforesaid deformation form and modification are fallen within the scope of the present invention.It should be appreciated that be disclosed herein and The present invention of restriction extends to that text and/or drawings are mentioned or obvious two or more are individually special All alternative combinations of sign.All these different combinations form multiple alternative aspects of the present invention. Embodiment as described herein illustrates to become known for the best mode for realizing the present invention, and will make this area Technical staff can utilize the present invention.

Claims (10)

1. a kind of compound source of the gas burner, the burner is provided with least two gas source interfaces, the burning Device at least accesses a fuel gas and one by combustion gas body;Characterized in that, the burner includes first jet And second nozzle, the first jet and second nozzle spray gas upward;The first jet is connected One gas source interface, the second nozzle connect another gas source interface;
The first jet includes multiple first spray orifices, and multiple first spray orifice annular arrangements are described second Nozzle periphery, multiple first spray orifices tilt to side;
The second nozzle includes multiple second spray orifices, and multiple second spray orifice annular arrangements are multiple described Second spray orifice tilts to opposite side;The incline direction of multiple first spray orifices and multiple second spray orifices Conversely.
2. compound source of the gas burner as claimed in claim 1, it is characterised in that the first jet with The gas source interface for accessing the fuel gas is connected;The second nozzle is with accessing the source of the gas by combustion gas body Interface is connected.
3. compound source of the gas burner as claimed in claim 1, it is characterised in that the first jet spray Go out gas for rotating vortex clockwise or counterclockwise to rise, in contrast, the second nozzle sprays gas Body is counterclockwise or is rotated clockwise being vortexed rising.
4. the compound source of the gas burner as described in any one of claims 1 to 3, it is characterised in that described Burner includes an annular body, is a mesopore inside the annular body, the mesopore opening upwards;Institute State first jet to be formed in the annular body, the outlet of multiple first spray orifices is main positioned at the annular The upper surface of body;The second nozzle is formed in the mesopore, and multiple gas grid are provided with the mesopore, Multiple inclined annular arrangements of gas grid, be formed as one described second between the adjacent gas grid Spray orifice.
5. a kind of waste gas combustion furnace, it is characterised in that including body of heater, blast pipe, chassis and such as right It is required that the compound source of the gas burner described in 1 to 4 any one;
It is combustion space in the body of heater;
The blast pipe connects the combustion space at the top of the body of heater;
The chassis is installed on the combustion space bottom in the body of heater;
The burner is installed on the chassis, with the chassis by the relatively described body of heater bottom wall of the burner Prop up certain distance;The burner sprays fuel gas and waste gas upwards, and the gas after burning is upwards through institute State blast pipe discharge.
6. waste gas combustion furnace as claimed in claim 5, it is characterised in that the body of heater is provided with relatively The first baffle and second baffle of extension, the first baffle extension angle and the second baffle extension angle Difference, it is gas rising passway between the first baffle and second baffle.
7. waste gas combustion furnace as claimed in claim 5, it is characterised in that the bottom of furnace body outer wall peace Hole equipped with optional unlatching.
8. a kind of exhaust treatment system, it is characterised in that including as described in any one of claim 5 to 7 Waste gas combustion furnace, the incinerator connect a high temperature carbonization furnace flue gas leading, a low temperature carbonization furnace flue gas leading and One fuel gas pipe;
The high temperature carbonization furnace flue gas leading is provided with flow meters and flow control valve, flow controller letter Number the connection flowmeter and flow control valve, the flow controller is according to the detection signal of the flowmeter The flow control valve is controlled, to maintain the waste gas that the high temperature carbonization furnace flue gas leading is passed through to the incinerator Flow;
The low temperature carbonization furnace flue gas leading is provided with a pressure sensor, and a pressure is provided with the incinerator Detector, controllable exhaust apparatus is provided with the blast pipe of the incinerator;One pressure controller signal connects The pressure sensor, the pressure detector and the controllable exhaust apparatus, the pressure controller according to The signal difference of the pressure sensor and the pressure detector controls the exhaust of the controllable exhaust apparatus Speed.
9. exhaust treatment system as claimed in claim 8, it is characterised in that the exhaust of the incinerator More than one heat exchanger is provided with pipe.
10. exhaust treatment system as claimed in claim 8 or 9, it is characterised in that the controllable exhaust Device includes frequency converter and air-introduced machine, passes through the flow velocity of air-introduced machine described in the Frequency Converter Control.
CN201610341950.XA 2016-05-20 2016-05-20 Compound gas source burner, waste gas combustion furnace and exhaust treatment system Active CN107401749B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610341950.XA CN107401749B (en) 2016-05-20 2016-05-20 Compound gas source burner, waste gas combustion furnace and exhaust treatment system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610341950.XA CN107401749B (en) 2016-05-20 2016-05-20 Compound gas source burner, waste gas combustion furnace and exhaust treatment system

Publications (2)

Publication Number Publication Date
CN107401749A true CN107401749A (en) 2017-11-28
CN107401749B CN107401749B (en) 2019-04-26

Family

ID=60389193

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610341950.XA Active CN107401749B (en) 2016-05-20 2016-05-20 Compound gas source burner, waste gas combustion furnace and exhaust treatment system

Country Status (1)

Country Link
CN (1) CN107401749B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108488810A (en) * 2018-05-21 2018-09-04 浙江吉高实业有限公司 One kind of multiple energy can use type RTO burned waste gas furnace apparatus
CN110643383A (en) * 2019-09-12 2020-01-03 中钢集团鞍山热能研究院有限公司 Light-heavy phase oil heating and tail gas burning integrated furnace for producing needle coke and control method
CN111288467A (en) * 2020-02-28 2020-06-16 浙江上风高科专风实业有限公司 An integrated equipment with anti-blocking function based on RTO waste gas treatment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202018039U (en) * 2010-12-20 2011-10-26 西安航天远征流体控制股份有限公司 Dual gas burner
CN202561770U (en) * 2012-03-25 2012-11-28 罗江平 Combustor for medical waste gasified fuel gas
CN103062769A (en) * 2013-01-14 2013-04-24 兆轩能科技有限公司 A kind of burner
US20150204223A1 (en) * 2012-08-13 2015-07-23 Hino Motors, Ltd. Burner

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202018039U (en) * 2010-12-20 2011-10-26 西安航天远征流体控制股份有限公司 Dual gas burner
CN202561770U (en) * 2012-03-25 2012-11-28 罗江平 Combustor for medical waste gasified fuel gas
US20150204223A1 (en) * 2012-08-13 2015-07-23 Hino Motors, Ltd. Burner
CN103062769A (en) * 2013-01-14 2013-04-24 兆轩能科技有限公司 A kind of burner

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108488810A (en) * 2018-05-21 2018-09-04 浙江吉高实业有限公司 One kind of multiple energy can use type RTO burned waste gas furnace apparatus
CN110643383A (en) * 2019-09-12 2020-01-03 中钢集团鞍山热能研究院有限公司 Light-heavy phase oil heating and tail gas burning integrated furnace for producing needle coke and control method
CN110643383B (en) * 2019-09-12 2023-12-26 中钢集团鞍山热能研究院有限公司 Light-heavy phase oil heating and tail gas burning integrated furnace for producing needle coke and control method
CN111288467A (en) * 2020-02-28 2020-06-16 浙江上风高科专风实业有限公司 An integrated equipment with anti-blocking function based on RTO waste gas treatment
CN111288467B (en) * 2020-02-28 2022-01-14 浙江上风高科专风实业有限公司 RTO waste gas treatment-based integrated equipment with anti-blocking function

Also Published As

Publication number Publication date
CN107401749B (en) 2019-04-26

Similar Documents

Publication Publication Date Title
JP3223816U (en) New top-fired hot air furnace
CN104981660B (en) Air-cooled type burner installation
CN107401749A (en) Compound source of the gas burner, waste gas combustion furnace and exhaust treatment system
CN101813320B (en) Built-in integrated smoke exhaust-heat boiler burner for catalysis device
US20180340237A1 (en) Top combustion stove
US3933420A (en) Vertically fired burner for waste combustible gases
CN110388641A (en) A kind of efficient gas burner
CA1273248A (en) Low excess air tangential firing system
CN103484588B (en) Top combustion type hot air furnace arranging annular flameless combustion device below arch roof of combustion chamber
CN208832468U (en) A kind of pyrolysis gasification furnace
CN214501221U (en) Duplex ultra low NOx burner
CN203517788U (en) Porous body burning combustor of remixing coal gas whirl flow with premix gas
CN217654102U (en) Vertical hot blast furnace system with low nitrogen oxide emission
CN104098097B (en) High-efficient vertical-pipe activation furnace
CN203653598U (en) Hot-blast stove for impact remixed combustion of coal gas spiral flow and premixed gas
CN104962677B (en) A kind of hot blast stove with swirling entrainment and premixed combustion of gas and air in the regenerator
CN211475930U (en) Heat accumulating type natural gas direct flame burner
CN203653596U (en) Staged mixed combustion hot-air furnace with annularly and uniformly distributed coal gas and air nozzles
CN115917012A (en) Shaftless air heater
CN100520216C (en) Flow guiding tapering shape pure smokeless vertical type water heater boiler
CN213746751U (en) Smoke turbulence device for secondary combustion chamber of rotary kiln
CN202032593U (en) Ground flame-free emission torch device
CN2566125Y (en) Vertical boiler with smoke prevention and dust remover in furnace
CN207350329U (en) A kind of burner experimental rig
CN215103050U (en) Combustion shield and gasification furnace

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant