CN106322407A - Waste gas incineration device and method - Google Patents
Waste gas incineration device and method Download PDFInfo
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- CN106322407A CN106322407A CN201610799499.6A CN201610799499A CN106322407A CN 106322407 A CN106322407 A CN 106322407A CN 201610799499 A CN201610799499 A CN 201610799499A CN 106322407 A CN106322407 A CN 106322407A
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- waste gas
- gas
- temperature
- heat exchanger
- combustor
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- 239000002912 waste gas Substances 0.000 title claims abstract description 112
- 238000000034 method Methods 0.000 title claims abstract description 52
- 239000007789 gas Substances 0.000 claims abstract description 116
- 238000002485 combustion reaction Methods 0.000 claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims description 31
- 230000000694 effects Effects 0.000 claims description 24
- 230000033228 biological regulation Effects 0.000 claims description 13
- 230000005520 electrodynamics Effects 0.000 claims description 9
- 239000000428 dust Substances 0.000 claims description 8
- 238000004880 explosion Methods 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 8
- 238000013022 venting Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 230000001276 controlling effect Effects 0.000 claims description 3
- 239000000567 combustion gas Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 230000008569 process Effects 0.000 description 17
- 238000005474 detonation Methods 0.000 description 10
- 238000005245 sintering Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
- F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
- F23G7/066—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2204/00—Supplementary heating arrangements
- F23G2204/10—Supplementary heating arrangements using auxiliary fuel
- F23G2204/103—Supplementary heating arrangements using auxiliary fuel gaseous or liquid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/14—Gaseous waste or fumes
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Supply (AREA)
Abstract
The invention provides a waste gas incineration device and method. The device comprises a heat exchange chamber and a buffer chamber, wherein the heat exchange chamber is internally provided with heat exchange pipes. A combustion chamber communicates with the buffer chamber through the heat exchange pipes. A waste gas flowing space is formed in the heat exchange chamber. The heat exchange pipes are divided into the first heat exchange pipes and the second heat exchange pipe. The portion which is arranged at an end opening of the second heat exchange pipe and located in the buffer chamber is provided with an electrically-operated valve. A second fan is arranged outside the heat exchange chamber and serves as an automatic air-supplementing temperature-control fan. A gas distribution hood and a baffle are arranged in a chamber body of the combustion chamber and play a role in flow disturbing. An incineration method comprises the steps that waste gas is preheated through the heat exchange chamber and enters the combustion chamber to be burned, and the burned waste gas is discharged through a gas outlet; and through cooperation of the proportional control of a combustor, the automatic air-supplementing temperature-control fan, the first fan and the electrically-operated valve of a heat exchanger, the stable combustion requirement of high-concentration gas is met. The waste gas incineration device is in cooperation with the incineration method, the stability of the incineration temperature of high-concentration waste gas with large fluctuation of the concentration and the gas volume and the stability of the pressure of the combustion chamber are guaranteed.
Description
Technical field
The present invention relates to technical field of waste gas treatment, be specifically related to a kind of burned waste gas device, method.
Background technology
Producing substantial amounts of organic exhaust gas during Industrial Stoves raw materials for sintering, burning method is that process organic exhaust gas is the most thorough
Method, be also current mainstream technology.The organic exhaust gas that Industrial Stoves are discharged is based on hydrocarbon compound, and this waste gas is at 680-
Stop 0.3-0.5s in the environment of 820 DEG C and can all be oxidized to CO2And H2O。
Existing incineration technology uses incinerator directly to carry out waste gas burning, or burns after simple preheating again, main
The improvement of the waste gas after centralized collection to be applied to, exhaust gas concentration is the most not very big, and exhaust gas concentration undulatory property is little, does not exist and burns
The impact on the production process of front end of the burning situation, processing method and control method are more single.
But, the organic exhaust gas concentration that Industrial Stoves produce is high, there is certain undulatory property, and have can in burning process pole
The sintering quality of front end kiln can be produced impact, therefore, the improvement to this kind of waste gas, not only need to ensure the temperature of burning and
The time of staying, it is often more important that ensure the high-adaptability of burning process, i.e. by effective control device, exhaust gas condition is changed
The impact of combustion process is down to minimum by (such as concentration, tolerance), it is ensured that the stability of the temperature and pressure of combustion process.
It addition, in terms of temperature control, the benefit wind of major part incinerator is mainly disposed to combustor, such design at present
There is shortcoming, on the one hand the uneven undulatory property causing incineration temperature of the mixing of air and waste gas, on the other hand combustor is mended
The pressure of combustor can be caused certain undulatory property by wind.
Summary of the invention
(1) solve the technical problem that
Not enough for prior art, the present invention provides a kind of burned waste gas device, method, solves in prior art highly concentrated
Degree burned waste gas temperature is unstable, the technical problem of the pressure transient of combustor.
(2) technical scheme
For realizing object above, the present invention is achieved by the following technical programs:
A kind of burned waste gas device, including device body, device body includes the combustor for the waste gas that burns and peace
Being contained in baffle plate and point gas hood of combustion chamber, a point gas hood is positioned at baffle plate left, described point of gas hood be arranged on combustor left end
Outside burner is connected, and described device body also includes that inside is provided with the Heat Room of heat exchanger tube, cushion chamber, described combustor with
Cushion chamber is connected by heat exchanger tube, has the space of waste gas flowing inside described Heat Room, and described heat exchanger tube is divided into first to change
Heat pipe and the second heat exchanger tube, and the external diameter of the first heat exchanger tube is less than the external diameter of the second heat exchanger tube, the port of described second heat exchanger tube
Place and be positioned at cushion chamber and be provided with electrodynamic valve.
Preferably, described Heat Room top is provided with heating by the exhaust gases import and heating by the exhaust gases outlet, and outside is provided with the second blower fan
And the temperature-sensitive head being connected with the second blower fan, the number of described first heat exchanger tube is at least four.
Preferably, described top of combustion chamber is provided with air inlet and the spark arrester being arranged on air inlet, described combustor
Top is additionally provided with venting of dust explosion mouth, and described spark arrester is positioned on the left of described venting of dust explosion mouth.
Preferably, described point of gas hood is that slit-aperture type divides gas hood, and bar seam width size direction from left to right is gradually increased.
Preferably, described cushion chamber top is provided with at gas outlet, and gas outlet and is provided with regulation valve, and gas outlet connects the first wind
Machine, described cushion chamber left part is provided with cover plate for manhole.
Preferably, described baffle plate is divided into ring baffle and board-like baffle plate, and described ring baffle is interspersed with board-like baffle plate
At combustion chamber, described heat exchanger is tubular heat exchanger.
A kind of burned waste gas method utilizing burned waste gas device, comprises the following steps:
S1, waste gas enter Heat Room through heating by the exhaust gases import and preheat, and enter the waste gas within Heat Room and heat exchange
High-temperature gas after burning in device carries out heat exchange, heating by the exhaust gases to 200～300 DEG C；
Waste gas after S2, preheating is discharged by heating by the exhaust gases outlet, enters combustor through spark arrester, air inlet；
S3, the waste gas of entrance combustor so that combustion chamber pressure rises, and waste gas is carried out at the beginning of gas by a point gas hood
Entering the combustion zone of combustor after step flow-disturbing, burner controls the incineration temperature of combustion zone by the air inflow of regulating gas,
And then the temperature controlling combustion zone is 680 DEG C～820 DEG C, by the combustion-supporting effect of burner, waste gas in burning Indoor Combustion, then
Flow-disturbing effect through baffle plate so that waste gas is sufficiently mixed burning；
Waste gas after S4, burning is transformed into high temperature CO 2 and H2O, and high temperature CO 2 and H2O, through heat exchanger tube, is entered with heating by the exhaust gases
Enter cushion chamber after the waste gas heat exchange that mouth enters, through gas outlet, utilize the effect of the first blower fan to discharge.
Preferably, described step S3, during burned waste gas, the incineration temperature of combustor and the gas quantity phase in burner
Association, is setting in the range of incineration temperature, and burner controls incineration temperature by the air inflow of regulating gas.
Preferably, described step S3, internal pressure of combustion chamber and the first blower fan are associated.
Preferably, described step S1, the temperature of Heat Room is associated with the second blower fan.
(3) beneficial effect
The present invention provides a kind of burned waste gas device, method, and compared with prior art advantage is:
The present invention provides a kind of burned waste gas device, uses the design of Heat Room, and the first heat exchanger tube, the second heat exchange
Pipe, the first blower fan, the second blower fan, electrodynamic valve, regulation valve etc., then coordinate temperature control and the common effect of Stress control regulation, it is achieved burn
Burn stablizing of process temperature and pressure, it is ensured that the high-adaptability of burned waste gas；On the one hand burning process temperature and pressure is ensured
Stability, combustor detonation, heat exchanger overtemperature and the combustor that the undulatory property of the undulatory property and tolerance that solve exhaust gas concentration causes
Pressure oscillation phenomenon, it is to avoid the burning process interference to the sintering process of front end kiln；On the other hand controlled heat exchanger is used
Carry out the preheating of waste gas, reach energy-conservation effect；
First the present invention first passes through Heat Room preheating to waste gas, by heating by the exhaust gases to 200-300 DEG C, decreases heating by the exhaust gases
Time and temperature, and the purpose of spark arrester is to stop the thermal-flame in combustor to cause detonation in spreading to pipeline, passes through
Regulation valve can ensure that the gas temperature entering the first blower fan is in rational scope；The present invention passes through the second blower fan to heating by the exhaust gases
The feedback control of rear temperature is mended wind and is controlled the heat-exchange temperature of Heat Room, also reduces the concentration of waste gas, it is ensured that waste gas simultaneously
Incinerator properly functioning；
The present invention provides a kind of burned waste gas method, and the method concentration is high and undulatory property is relatively big, control requires high waste gas
Providing a kind of incinerating method, this burned waste gas method has high-adaptability, and the undulatory property for concentration and tolerance uses automatically
Temperature control method, it is ensured that the stability of incineration temperature, it is to avoid combustor overtemperature detonation, Heat Room overtemperature and burn pressure oscillation
Problem, the mode using burning pressure to automatically control guarantees to burn the stability of pressure；Two is to use controlled the changing of heat transfer effect
Hot device, how this burned waste gas method makes waste heat be obtained by, and economizes on resources, and reduces air pressure cost；
Second blower fan is set outside Heat Room of the present invention as automatic air compensation temperature control blower fan, internal in combustor a point gas is set
Cover and baffle plate, play flow-disturbing effect, and incinerating method is: waste gas waste gas after Heat Room preheating, entrance combustion chambers burn, burning
Discharge through gas outlet, by the proportion adjustment of burner, automatic air compensation temperature control blower fan, the phase interworking of the first blower fan and electrodynamic valve
Close the stable combustion requirements meeting high concentrations of gas.Burned waste gas device of the present invention coordinates incinerating method, it is ensured that concentration is gentle
Stablizing of the stable and chamber pressure of the high-concentration waste gas incineration temperature that amount fluctuation is big.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is burned waste gas apparatus structure schematic diagram of the present invention.
In figure: 1, combustor；2, baffle plate；3, gas hood is divided；4, burner；5, air inlet；6, spark arrester；7, venting of dust explosion mouth；8、
Heating by the exhaust gases exports；9, heating by the exhaust gases import；10, gas outlet；11, regulation valve；12, the first blower fan；13, cover plate for manhole；14, slow
Rush chamber；15, electrodynamic valve；16, the second blower fan；17, Heat Room；18, the first heat exchanger tube；19, the second heat exchanger tube.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
The embodiment of the present invention is mentioned temperature automatically controlled, automatic pressure-controlled set by relate to controller, be prior art, for
Commercially available temperature controller and pressure controller, and temperature-sensitive head is also commercially available.
As it is shown in figure 1, in the embodiment of the present invention, open a kind of burned waste gas device, including device body, device body bag
Including for the combustor 1 of the waste gas that burns and be arranged on the baffle plate 2 within combustor 1 and a point gas hood 3, a point gas hood 3 is positioned at baffle plate 2
Left, a point gas hood 3 is connected with the burner 4 being arranged on outside combustor 1 left end, and device body also includes that inside is provided with heat exchanger tube
Heat Room 17, cushion chamber 14, combustor 1 is connected by heat exchanger tube with cushion chamber 14, and Heat Room 17 is internal has waste gas stream
Dynamic space, heat exchanger tube is divided into the first heat exchanger tube 18 and the second heat exchanger tube 19, and the external diameter of the first heat exchanger tube 18 changes less than second
The external diameter of heat pipe 19, the port of the second heat exchanger tube 19 and be positioned at cushion chamber 14 and be provided with electrodynamic valve 15.
Further, Heat Room 17 top is provided with heating by the exhaust gases import 9 and heating by the exhaust gases outlet 8, and bottom is provided with the second wind
Machine 16 and the temperature-sensitive head being connected with the second blower fan 16, temperature-sensitive head is connected with temperature controller, the number of the first heat exchanger tube 18
It is at least four；
Combustor 1 top is provided with air inlet 5 and the spark arrester 6 being arranged on air inlet 5, and combustor 1 top is additionally provided with
Venting of dust explosion mouth 7, spark arrester 6 is positioned on the left of venting of dust explosion mouth 7；
Divide gas hood 3 to divide gas hood for slit-aperture type, and bar seam width size direction from left to right is gradually increased.
Cushion chamber 14 top is provided with at gas outlet 10, and gas outlet 10 and is provided with regulation valve 11, and gas outlet 10 connects the first wind
Machine 12, cushion chamber 14 left part is provided with cover plate for manhole 13；Baffle plate 2 is divided into ring baffle and board-like baffle plate, ring baffle and board-like gear
Plate is interspersed inside combustor 1；Heat exchanger is tubular heat exchanger.
Burned waste gas method of the present invention, comprises the following steps:
S1, waste gas enter Heat Room 17 through heating by the exhaust gases import 9 and preheat, enter waste gas Heat Room 17 within and
High-temperature gas after burning in heat exchanger carries out heat exchange, heating by the exhaust gases to 200～300 DEG C；
Waste gas after S2, preheating, by heating by the exhaust gases outlet 8 discharge, enters combustor 1 through spark arrester 6, air inlet 5；
S3, the waste gas of entrance combustor 1 so that combustor 1 internal pressure rises, and waste gas is carried out gas by a point gas hood 3
Preliminary flow-disturbing after enter combustor 1 combustion zone, burner 4 controls the burning of combustion zone by the air inflow of regulating gas
Temperature, so control combustion zone temperature be 680 DEG C～820 DEG C, by the combustion-supporting effect of burner 4, waste gas is in combustor 1
Burning, then the flow-disturbing effect through baffle plate 2 so that waste gas is sufficiently mixed burning；
Waste gas after S4, burning is transformed into high temperature CO 2 and H2O, and high temperature CO 2 and H2O, through heat exchanger tube, is entered with heating by the exhaust gases
Enter cushion chamber 14 after the heat exchangers that mouth 9 enters, through gas outlet 10, utilize the effect of the first blower fan 12 to discharge.
Further, step S3, during burned waste gas, the incineration temperature of combustor 1 and the gas quantity phase in burner
Association, is setting in the range of incineration temperature, and burner 4 controls incineration temperature, combustor 1 by the air inflow of regulating gas
Interior pressure and the first blower fan 12 are associated；
Step S1, the temperature of Heat Room 17 is associated with the second blower fan 16.When exhaust gas concentration is higher, temperature-sensitive head is pre-by waste gas
After heat temperature feed back to temperature controller, then carry out mending wind by the second blower fan 16 and control the temperature in Heat Room 17.When
When pending exhaust gas concentration is higher, preheated after waste gas in Heat Room 17, there will be combustion phenomena, or in combustor 17
Uncontrollable detonation occur, these all can affect the properly functioning of burned waste gas device, temperature after conservative control heating by the exhaust gases
It it is the key avoiding and solving this problem.The feedback control of temperature after heating by the exhaust gases is mended wind by the second blower fan 16 by the present invention
Control the heat-exchange temperature of Heat Room 17, also reduce the concentration of waste gas simultaneously, it is ensured that burned waste gas device properly functioning.
Preferably scheme: the organic exhaust gas discharged by Industrial Stoves sintering process, enters Heat Room through heating by the exhaust gases import 9
17 preheat, and inside Heat Room 17, the waste gas in Heat Room 17 inner space is carried out with the high-temperature gas in heat exchange tube layer
Between heat exchange, by new heating by the exhaust gases to 200～300 DEG C.
Organic exhaust gas after preheating, by heating by the exhaust gases outlet 8 discharge, enters combustor 1, resistance after spark arrester 6, air inlet 5
The purpose of firearm 6 is to cause detonation in the thermal-flame in prevention combustor 1 spreads to pipeline, plays safety effect.
Enter the waste gas of combustor 1, first pass through point gas hood 3 and carry out the burning of entrance combustor 1 after the preliminary flow-disturbing of gas
District, under the hot environment of 680 DEG C-820 DEG C, by the combustion-supporting effect of burner 4, waste gas starts to burn in combustor 1, then
Flow-disturbing effect through baffle plate 2 so that waste gas is sufficiently mixed burning.The effect dividing gas hood 3 and baffle plate 2 is the turbulent flow improving waste gas
Degree of mixing, increases the collision opportunity of organic molecule and oxygen molecule, makes waste gas burn more fully.
High-temp waste gas after burning enters cushion chamber 14 after heat exchange tube layer with new waste gas heat exchange, through gas outlet 10, first
High altitude discharge after blower fan 12.There is regulation valve 11 before first blower fan 12, can ensure that entrance the first wind by the size of control valve
The gas temperature T4 of machine 12 is in rational scope.
When pending exhaust gas concentration is higher, preheated after waste gas in Heat Room 17, there will be combustion phenomena, or
Occurring uncontrollable detonation in combustor 17, these all can affect the properly functioning of burned waste gas device, conservative control waste gas
After preheating, temperature is to avoid and solve the key of this problem.The present invention passes through the second blower fan 16 to the feedback of temperature after heating by the exhaust gases
Control to mend wind and control the heat-exchange temperature of Heat Room 17, also reduce the concentration of waste gas, it is ensured that burned waste gas device simultaneously
Properly functioning.
Heat exchanger uses tubular heat exchanger, and for eliminating the deformation that thermal (temperature difference) stress causes, new organic waste makes shell leave with rage, burning
Rear high-temperature gas walks tube layer, and high-temperature gas is lowered the temperature, and new waste gas is preheated, and reaches energy-saving effect.Heat exchanger is changed by first
Heat pipe and the second heat exchanger tube composition, the second heat exchanger tube 19 outlet installs electrodynamic valve 15, according to the temperature upper limit (such as 760 DEG C) set
Automatically turn on, always reduce heat transfer effect by controlling walking of high-temperature gas, reach to control the purpose of incineration temperature.
Cushion chamber 14 is high-temperature gas region of mixing after heat exchanger tube layer is discharged.
Spark arrester 6 by being dispersed into many flammules by flame, and flammule contacts with porous channel and is conducive to cooling so that
Temperature is reduced to below ignition point, plays the effect of back-fire relief.
Many points of gas hoods 3 and baffle plate 2 are set in combustor 1, play flow-disturbing effect, improve the turbulent closure scheme degree of waste gas.Burning
The venting of dust explosion mouth 7 at top, room 1 ensure that the safety of burning state.
The automatic control process of temperature of the present invention: the incineration temperature T1 of combustor 1 is associated with the gas quantity of burner 4,
Under conditions of given incineration temperature T1 (such as 710 DEG C), under normal condition, burner 4 is come accurately by the air inflow of regulating gas
Control incineration temperature T1.Avoid combustor overtemperature detonation by setting the incineration temperature upper limit (such as 760 DEG C), set on heat-exchange temperature
Limit (such as 350 DEG C) avoids heat exchanger overtemperature.When incineration temperature T1 is close to temperature upper limit, burner 4 is gradually lowered gas inlet
Amount, until being reduced to minimum gas quantity (such as 4Nm3/h)；If incineration temperature T1 continues to rise, reach temperature upper limit (such as 760
DEG C) time, the electrodynamic valve 15 that the second heat exchanger tube 19 connects automatically turns on, and causes high-temperature gas " short-circuit " phenomenon, reduces heat transfer effect.
When incineration temperature T1 goes beyond temperature upper limit (such as 760 DEG C) or heat-exchange temperature T2 goes beyond temperature upper limit (such as 350 DEG C),
Now the second blower fan 16 automatically turns on, and is automatically adjusted frequency, the benefit of regulation Heat Room 17 according to degree second blower fan 16 of overtemperature
Air capacity, reduces chamber temperature T1 or heat-exchange temperature T2 to design temperature.
The automatic control process of pressure of the present invention: pressure P1 and first blower fan 12 of combustor 1 are associated, sets combustor
1 pressure P1 (such as 200Pa), system keeps the stability (210-of combustor 1 pressure by regulating the first blower fan 12 frequency
190Pa).The undulatory property of combustor 1 pressure affects the sintering atmosphere of front end kiln, it is ensured that the stability of combustor 1 pressure is very
Important.
In sum, the present invention provides a kind of burned waste gas device, uses the design of Heat Room, and the first heat exchanger tube,
Second heat exchanger tube, the first blower fan, the second blower fan, electrodynamic valve, regulation valve etc., then coordinate temperature control and the common work of Stress control regulation
With, it is achieved stablizing of burning process temperature and pressure, it is ensured that the high-adaptability of burned waste gas；On the one hand burning process temperature is ensured
With the stability of pressure, solve combustor detonation, heat exchanger overtemperature that the undulatory property of the undulatory property of exhaust gas concentration and tolerance causes
With chamber pressure wave phenomenon, it is to avoid the burning process interference to the sintering process of front end kiln；On the other hand use controlled
Heat exchanger carry out the preheating of waste gas, reach energy-conservation effect；
First the present invention first passes through Heat Room preheating to waste gas, by heating by the exhaust gases to 200-300 DEG C, decreases heating by the exhaust gases
Time and temperature, and the purpose of spark arrester is to stop the thermal-flame in combustor to cause detonation in spreading to pipeline, passes through
Regulation valve can ensure that the gas temperature entering the first blower fan is in rational scope；
The present invention provides a kind of burned waste gas method, and the method concentration is high and undulatory property is relatively big, control requires high waste gas
Providing a kind of incinerating method, this burned waste gas method has high-adaptability, and the undulatory property for concentration and tolerance uses automatically
Temperature control method, it is ensured that the stability of incineration temperature, it is to avoid combustor overtemperature detonation, Heat Room overtemperature and burn pressure oscillation
Problem, the mode using burning pressure to automatically control guarantees to burn the stability of pressure；Two is to use controlled the changing of heat transfer effect
Hot device, how this burned waste gas method makes waste heat be obtained by, and economizes on resources, and reduces air pressure cost.
It should be noted that in this article, the relational terms of such as first and second or the like is used merely to a reality
Body or operation separate with another entity or operating space, and deposit between not necessarily requiring or imply these entities or operating
Relation or order in any this reality.And, term " includes ", " comprising " or its any other variant are intended to
Comprising of nonexcludability, so that include that the process of a series of key element, method, article or equipment not only include that those are wanted
Element, but also include other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that
Including process, method, article or the equipment of described key element there is also other identical element.
Above example only in order to technical scheme to be described, is not intended to limit；Although with reference to previous embodiment
The present invention is described in detail, it will be understood by those within the art that: it still can be to aforementioned each enforcement
Technical scheme described in example is modified, or wherein portion of techniques feature is carried out equivalent；And these amendment or
Replace, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a burned waste gas device, including device body, device body includes the combustor for the waste gas that burns and installation
At baffle plate and point gas hood of combustion chamber, a point gas hood is positioned at baffle plate left, described point of gas hood be arranged on outside combustor left end
The burner in portion is connected, it is characterised in that: described device body also includes that inside is provided with the Heat Room of heat exchanger tube, cushion chamber, institute
State combustor to be connected by heat exchanger tube with cushion chamber, there is inside described Heat Room the space of waste gas flowing, described heat exchanger tube
Being divided into the first heat exchanger tube and the second heat exchanger tube, and the external diameter of the first heat exchanger tube is less than the external diameter of the second heat exchanger tube, described second changes
The port of heat pipe and be positioned at cushion chamber and be provided with electrodynamic valve.
Burned waste gas device the most according to claim 1, it is characterised in that: described Heat Room top is provided with heating by the exhaust gases and enters
Mouth and heating by the exhaust gases export, and outside is provided with the second blower fan and the temperature-sensitive head being connected with the second blower fan, described first heat exchanger tube
Number be at least four.
Burned waste gas device the most according to claim 1, it is characterised in that: described top of combustion chamber be provided with air inlet and
The spark arrester being arranged on air inlet, described top of combustion chamber is additionally provided with venting of dust explosion mouth, and it is left that described spark arrester is positioned at described venting of dust explosion mouth
Side.
Burned waste gas device the most according to claim 1, it is characterised in that: described point of gas hood is that slit-aperture type divides gas hood, and
Bar seam width size direction from left to right is gradually increased.
Burned waste gas device the most according to claim 1, it is characterised in that: described cushion chamber top is provided with gas outlet, and
Being provided with regulation valve at gas outlet, gas outlet connects the first blower fan, and described cushion chamber left part is provided with cover plate for manhole.
Burned waste gas device the most according to claim 1, it is characterised in that: described baffle plate is divided into ring baffle and board-like gear
Plate, described ring baffle and board-like baffle plate are interspersed at combustion chamber, and described heat exchanger is tubular heat exchanger.
7. the burned waste gas method utilizing the arbitrary described burned waste gas device of claim 1-6, it is characterised in that include with
Lower step:
S1, waste gas enter Heat Room through heating by the exhaust gases import and preheat, and enter in the waste gas within Heat Room and heat exchanger
High-temperature gas after burning carries out heat exchange, and heating by the exhaust gases is to 200-300 DEG C, i.e. Heat Room temperature is 200-300 DEG C；
Waste gas after S2, preheating is discharged by heating by the exhaust gases outlet, enters combustor through spark arrester, air inlet；
S3, the waste gas of entrance combustor so that combustion chamber pressure rises, and waste gas is carried out tentatively disturbing of gas by a point gas hood
Entering the combustion zone of combustor after stream, burner controls the incineration temperature of combustion zone by the air inflow of regulating gas, and then
The temperature controlling combustion zone is 680 DEG C-820 DEG C, and by the combustion-supporting effect of burner, waste gas is in burning Indoor Combustion, then passes through
The flow-disturbing effect of baffle plate so that waste gas is sufficiently mixed burning；
Waste gas after S4, burning is transformed into high temperature CO2And H2O, high temperature CO2And H2O, through heat exchanger tube, enters with heating by the exhaust gases import
Waste gas heat exchange after enter cushion chamber, through gas outlet, utilize the effect of the first blower fan to discharge.
Burned waste gas method the most according to claim 7, it is characterised in that: described step S3, during burned waste gas, combustion
The incineration temperature burning room is associated with the gas quantity in burner, is setting in the range of incineration temperature, and burner is by regulation
The air inflow of combustion gas controls incineration temperature.
Burned waste gas method the most according to claim 7, it is characterised in that: described step S3, internal pressure of combustion chamber and
One blower fan is associated.
Burned waste gas method the most according to claim 7, it is characterised in that: described step S1, the temperature of Heat Room and the
Two blower fans are associated.
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| CN201610799499.6A CN106322407A (en) | 2016-08-31 | 2016-08-31 | Waste gas incineration device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610799499.6A CN106322407A (en) | 2016-08-31 | 2016-08-31 | Waste gas incineration device and method |
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| CN106322407A true CN106322407A (en) | 2017-01-11 |
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| CN201610799499.6A Pending CN106322407A (en) | 2016-08-31 | 2016-08-31 | Waste gas incineration device and method |
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| CN106838940A (en) * | 2017-03-15 | 2017-06-13 | 林景峰 | Energy-saving burned waste gas device |
| CN106838941A (en) * | 2017-03-15 | 2017-06-13 | 林景峰 | Convenient energy-saving type burned waste gas device |
| CN107166411A (en) * | 2017-06-14 | 2017-09-15 | 江苏正阳锅炉有限公司 | Novel nitrogen oxide burned waste gas handles waste heat integrated apparatus |
| CN108426242A (en) * | 2018-04-17 | 2018-08-21 | 上海四方锅炉集团工程成套股份有限公司 | A kind of maleic anhydride waste gas burning process and boiler system |
| CN108731001A (en) * | 2018-04-27 | 2018-11-02 | 扬州岱发环保科技有限公司 | A kind of organic waste gas furnace |
| CN108800173A (en) * | 2018-07-11 | 2018-11-13 | 北京科技大学 | A kind of self-preheating type burner for the burning of low concentration combustible exhaust gas |
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| CN111947168A (en) * | 2020-09-11 | 2020-11-17 | 冯剑濠 | Waste gas incineration device |
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| CN108800173A (en) * | 2018-07-11 | 2018-11-13 | 北京科技大学 | A kind of self-preheating type burner for the burning of low concentration combustible exhaust gas |
| CN109174069A (en) * | 2018-09-27 | 2019-01-11 | 中科伟通智能科技（江西）有限公司 | A kind of desorption and regeneration device being applicable in VOCs treatment |
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| US20200376547A1 (en) * | 2019-05-28 | 2020-12-03 | Desktop Metal, Inc. | Furnace for sintering printed objects |
| CN111076195A (en) * | 2019-12-25 | 2020-04-28 | 厦门保沣实业有限公司 | A waste gas incineration system |
| CN111947168A (en) * | 2020-09-11 | 2020-11-17 | 冯剑濠 | Waste gas incineration device |
| CN111964081A (en) * | 2020-09-27 | 2020-11-20 | 江苏华宇印涂设备集团有限公司 | Waste gas combustion furnace and waste heat recovery method thereof |
| CN113144842A (en) * | 2021-05-20 | 2021-07-23 | 佛山市华澄环保装备科技有限公司 | Waste gas treatment system |
| CN117387085A (en) * | 2023-12-11 | 2024-01-12 | 河北美能环保科技有限公司 | Animal product innocent treatment exhaust purification equipment |
| CN117387085B (en) * | 2023-12-11 | 2024-04-09 | 河北美能环保科技有限公司 | Animal product innocent treatment exhaust purification equipment |
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