CN107044647B - A kind of pre- roller coating aluminium volume production line emission-control equipment - Google Patents
A kind of pre- roller coating aluminium volume production line emission-control equipment Download PDFInfo
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- CN107044647B CN107044647B CN201710324521.6A CN201710324521A CN107044647B CN 107044647 B CN107044647 B CN 107044647B CN 201710324521 A CN201710324521 A CN 201710324521A CN 107044647 B CN107044647 B CN 107044647B
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- heat
- main pipeline
- exhaust gas
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Classifications
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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
- F23G7/07—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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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
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Drying Of Solid Materials (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of pre- roller coating aluminium to roll up production line emission-control equipment, including combustion system, heat-exchange system, spraying drying system, the spraying drying system includes spraying drying box, the outlet of net gas, air-introduced machine, exhaust uptake, the spraying drying system side is equipped with heat-exchange system, the heat-exchange system includes regenerative chamber, first-class heat exchanger, secondary heat exchanger, the regenerative chamber side is equipped with combustion system, and the combustion system includes combustor, mixer, combustion chamber, fire-proof plate.The present invention uses two-stage heat exchanger, and the waste heat after waste gas burning is re-used, on the one hand to be preheated before waste gas burning; the efficiency of waste gas burning is improved, on the other hand heat is provided for spraying drying box, reduces the consumption of the energy; the utilization rate for improving the energy, protects environment.
Description
Technical field
The invention belongs to pre- roller coating aluminium to roll up production technical field, more particularly to a kind of pre- roller coating aluminium rolls up production line exhaust-gas treatment
Device.
Background technology
The coating process of aluminium volume includes the following steps：Unreel, pre- degreasing, washing, degreasing, washing, passivation, drying, primary coat,
Application, area baking, the baking of 2nd area, the baking of 3rd area, cooling, essence painting, overlay film, rewinding；According to manufacturing technique for painting dressing, coating waste gas
Pre-treatment, spraying, drying process are mostly come from, the pollutant discharged is mainly：The dust that is generated in pretreatment process or
Acid mist, the coating cloud and organic solvent that when spray painting generates, the organic solvent that when drying and volatilizing generates；Coating cloud mostlys come from air spray
The part that solvent based coating disperses in operation is applied, ingredient is consistent with used coating；Organic solvent mostlys come from coating
Solvent, diluent during use, the overwhelming majority belong to volatility discharge, and main pollutant is dimethylbenzene, benzene, toluene
Deng；The harmful exhaust discharged in application is concentrated mainly on painting line, wherein paint spray booth, dry room, drying room is exhaust gas
Main occurring source；If these pollutants are evaporate into atmospheric environment, not only atmospheric environment can be caused seriously to pollute, but also
After the contaminated gas of human body incoming call, serious harm is generated to health；Therefore, coating waste gas is handled, pollution from coatings is controlled
The discharge of object environmental protection and can protect the health of painting work personnel；
Authorization Notice No. is that the patent of invention of CN103994449B discloses a kind of compound emission-control equipment, including light
Catalytic oxidizing equipment, activated carbon adsorption device, regenerative furnace and chimney, three parts pass sequentially through appendix and are connected in order
It connects, spark arrester is provided between activated carbon adsorption device and regenerative furnace, air-introduced machine is provided between regenerative furnace and chimney；It is used
Activated carbon adsorption device can only handle the exhaust gas of low temperature, low discharge, and later maintenance is costly, increases the dimension using unit
Shield expenditure；In addition, the waste heat generated after waste gas burning is arranged outwardly by chimney, the waste of the energy is caused, exhaust gas does not fill
Divided combustion will also pollute the environment.
Invention content
It is insufficient in the prior art the purpose of the present invention is overcoming, a kind of pre- roller coating aluminium volume production line exhaust-gas treatment dress is provided
It sets, using two-stage heat exchanger, the waste heat after waste gas burning is re-used, on the one hand to be preheated before waste gas burning, is improved useless
On the other hand the efficiency of gas burning provides heat for spraying drying box, reduces the consumption of the energy, improve the utilization of the energy
Rate protects environment.
To achieve the goals above, the technical solution adopted by the present invention is：
A kind of pre- roller coating aluminium volume production line emission-control equipment, including combustion system, heat-exchange system, spraying drying system,
The spraying drying system includes spraying drying box, the outlet of net gas, air-introduced machine, exhaust uptake, and upper box part one is dried in the spraying
Side is exported equipped with net gas, and the net gas outlet side is equipped with air-introduced machine, and the air-introduced machine is exported with net gas and connected by pipeline, institute
It states air-introduced machine side and is equipped with exhaust uptake；
The spraying drying system side is equipped with heat-exchange system, and the heat-exchange system includes regenerative chamber, first-class heat exchanger, two
Grade heat exchanger, the spraying drying box side equipped with first-class heat exchanger, the first-class heat exchanger include heat exchanger cylinder, card,
The net gas outlet of heat exchanger tube, exhaust gas inlet, waste gas outlet, hot fresh-air intake, heat, heat exchanger cylinder top side is equipped with exhaust gas
Import, the exhaust gas inlet side be equipped with waste gas outlet, the exhaust gas inlet side be equipped with exhaust gas inlet pipeline, the exhaust gas into
Mouth pipeline is equipped with exhaust gas inlet valve, and the waste gas outlet side is equipped with main pipeline I, and the main pipeline I is equipped with main pipeline
Valve I, heat exchanger cylinder one end are equipped with hot fresh-air intake, and the other end is equipped with the net gas outlet of heat, the hot fresh-air intake one
Side is equipped with main pipeline valve II, and II side of main pipeline valve is equipped with compensator, when the compensator avoids pipeline temperature rise
Cause pipe deforming or destruction due to thermal stretching or temperature stress, reduce the stress of tube wall and acts on the effect on valve
Power；The heat exchanger inner barrel is equipped with several heat exchanger tubes, and the heat exchanger tube both ends are fixed on card, and the card is equipped with
Several honeycomb holes, the heat exchanger tube are mounted on inside honeycomb hole；The first-class heat exchanger side be equipped with secondary heat exchanger, described two
Grade heat exchanger includes heat exchanger cylinder, card, heat exchanger tube, exhaust gas inlet, waste gas outlet, hot fresh-air intake, the net gas outlet of heat, institute
It states heat exchanger cylinder top side and is equipped with exhaust gas inlet, the exhaust gas inlet side is equipped with waste gas outlet, the secondary heat exchanger
Exhaust gas inlet is connect by pipeline with the first-class heat exchanger waste gas outlet, and the exhaust gas inlet pipeline is equipped with main pipeline valve
I, the waste gas outlet side is equipped with main pipeline I, and the main pipeline I is equipped with main pipeline valve I, heat exchanger cylinder one end
Equipped with hot fresh-air intake, the other end is equipped with the net gas outlet of heat, and the hot fresh-air intake side is equipped with main pipeline valve II, the master
II side of pipeline valve is equipped with compensator, and the compensator is caused when avoiding pipeline temperature rise due to thermal stretching or temperature stress
Pipe deforming or destruction reduce the stress of tube wall and act on the active force on valve；The heat exchanger inner barrel is equipped with
Several heat exchanger tubes, the heat exchanger tube both ends are fixed on card, and the card is equipped with several honeycomb holes, the heat exchanger tube installation
Inside honeycomb hole, the net gas outlet of secondary heat exchanger heat is connect with the hot fresh-air intake of first-class heat exchanger by main pipeline II；
The compensator side is equipped with regenerative chamber, and the regenerative chamber stores heat spare, improves the utilization rate of the energy；
The regenerative chamber side is equipped with combustion system, and the combustion system includes combustor, mixer, combustion chamber, fire-proof plate, the storage
Hot cell side is equipped with fire-proof plate, and fire-proof plate had not only prevented burned flame to be spread to other equipment, but also can play good heat-insulated guarantor
Temperature effect, improves the safety of equipment and the utilizing status of the energy；The fire-proof plate side is equipped with combustion chamber, the combustion chamber
Top side is equipped with main pipeline I, and the combustor side is equipped with mixer, and the internal mixer is equipped with catalytic brick, in exhaust gas
Organic matter and air mixing after, oxidation reaction occurs under the catalytic action of catalytic brick, generates harmless CO2And H2O, catalysis
Brick reduces the initiation temperature of organic matter, reduces pre- thermal energy consumption；The mixer side is equipped with manhole, facilitates equipment downtime
When maintenance, service personnel, which enters inside equipment, to overhaul, and the manhole side is equipped with combustor, and the combustor is equipped with
Burner, exhaust gas are lighted by the burner of combustor, exhaust gas are made fully to burn in mixer and oxygen mix, and heat is discharged.
Preferably, exhaust gas inlet pipeline side is equipped with the first by-pass line, and first by-pass line is equipped with side
Thread a pipe valve, first by-pass line is connect with first-class heat exchanger waste gas outlet main pipeline I, occur when first-class heat exchanger therefore
When barrier, exhaust gas inlet valve is closed, opens the by-pass line valve on the first by-pass line, flue gas is direct around first-class heat exchanger
Into next treatment process, repairs first-class heat exchanger for maintenance personal and condition is provided, avoid caused by first-class heat exchanger failure
System-down, reduces the probability of system-down, indirectly reduces enterprise's economic loss caused by system-down, generation
Heat and flue gas pass sequentially through regenerative chamber, inside secondary heat exchanger heat exchanger tube, the 4th bypass pipe enter spraying drying box, by drawing
Wind turbine is discharged.
Preferably, I side of first-class heat exchanger waste gas outlet main pipeline is equipped with the second by-pass line, second bypass
Pipeline is equipped with by-pass line valve, and second by-pass line is connect with secondary heat exchanger waste gas outlet main pipeline I, and described two
Grade exchanger heat fresh-air intake is connected with hot net gas outlet by third by-pass line, and the third by-pass line is equipped with bypass
Pipeline valve；When secondary heat exchanger breaks down, the main pipeline valve I and exhaust gas closed at secondary heat exchanger exhaust gas inlet go out
Main pipeline valve I at mouthful opens the by-pass line on the by-pass line valve and third by-pass line on the second by-pass line
Valve, flue gas bypass secondary heat exchanger；Third by-pass line side is equipped with the 4th by-pass line, the 4th by-pass line
It is equipped with by-pass line valve, described 4th by-pass line one end is connect with spraying drying box, when first-class heat exchanger and two level are changed
When hot device breaks down simultaneously, exhaust gas inlet valve and all main pipeline valve Is are closed, all by-pass line valves, cigarette are opened
Directly outer row after gas burning, while maintenance personal repairs first-class heat exchanger and secondary heat exchanger under not shutdown status,
The system-down caused by heat exchanger failure is avoided, enterprise's economic loss caused by system-down is indirectly reduced.
Preferably, the first-class heat exchanger and secondary heat exchanger are internally provided with gas inlet partition board, the gas inlet every
Plate is equipped with honeycomb hole, and the heat exchanger tube is mounted in the honeycomb hole of gas inlet partition board, and the exhaust gas entered by exhaust gas inlet leads to
It crosses partition board bottom to flow out through waste gas outlet, increases stroke of the exhaust gas in first-class heat exchanger and secondary heat exchanger, extend useless
The preheating time of gas improves the preheating temperature of exhaust gas, avoid portion by exhaust gas inlet enter after heat exchanger directly from
Waste gas outlet flows out, and causes the problem that heating by the exhaust gases is uneven, Btu utilization is insufficient.
Preferably, the heat exchanger tube both sides are equipped with the net gas air inlet partition board of heat, the net gas air inlet partition board side of heat of side with change
Hot device upper wall connection, the other side are connect with card, and the net gas air inlet partition board side of heat of the other side is connect with heat exchanger lower wall, another
Side is connect with card；The flue gas for carrying heat is flowed inside heat exchanger tube with sigmoid curve, extends flue gas changing in heat exchanger
The hot time enhances the heat transfer effect of heat exchanger, improves the utilization rate of fume afterheat, while improving the uniform of heating by the exhaust gases
Property.
Preferably, I side of the main pipeline is equipped with desorption tube, and the desorption tube is equipped with diffusion valve, when in flue
When portion's pressure is more than setting safety value, diffusion valve automatically turns on, and to outside drain flue gas, avoids equipment because of the excessive generation of pressure
Explosion, has ensured the safety of equipment, has protected the life security of operating personnel.
Advantageous effect is shown the present invention compared with prior art：
1) two-stage heat exchanger is used, the waste heat after waste gas burning is re-used, on the one hand to be preheated before waste gas burning, is carried
The high efficiency of waste gas burning, on the other hand provides heat for spraying drying box, reduces the consumption of the energy, improve the energy
Utilization rate protects environment；
2) exhaust gas inlet pipeline side is equipped with the first by-pass line, and the first by-pass line is equipped with by-pass line valve, the
Bypass line road is connect with first-class heat exchanger waste gas outlet main pipeline I, when first-class heat exchanger breaks down, closes exhaust gas inlet
Valve opens the by-pass line valve on the first by-pass line, and flue gas is directly entered next treatment process around first-class heat exchanger,
First-class heat exchanger is repaired for maintenance personal, condition is provided, avoid the system-down caused by first-class heat exchanger failure, reduce and be
The probability that system is shut down, indirectly reduces enterprise's economic loss caused by system-down, the heat and flue gas of generation lead to successively
Cross regenerative chamber, inside secondary heat exchanger heat exchanger tube, the 4th bypass pipe enter spraying drying box, be discharged by air-introduced machine；
3) I side of first-class heat exchanger waste gas outlet main pipeline is equipped with the second by-pass line, and the second by-pass line is equipped with side
Thread a pipe valve, the second by-pass line is connect with secondary heat exchanger waste gas outlet main pipeline I, the hot fresh-air intake of secondary heat exchanger and
Hot net gas outlet is connected by third by-pass line, and third by-pass line is equipped with by-pass line valve；When secondary heat exchanger is sent out
When raw failure, the main pipeline valve I at the main pipeline valve I and waste gas outlet that secondary heat exchanger exhaust gas inlet goes out is closed, is opened
The by-pass line valve on by-pass line valve and third by-pass line on second by-pass line, flue gas bypass secondary heat exchange
Device；Third by-pass line side is equipped with the 4th by-pass line, and the 4th by-pass line is equipped with by-pass line valve, the 4th bypass pipe
Road one end connect with spraying drying box, when first-class heat exchanger and secondary heat exchanger break down simultaneously, closing exhaust gas inlet valve
Door and all main pipeline valve Is, open all by-pass line valves, directly outer row after smoke combustion, while maintenance personal is not
First-class heat exchanger and secondary heat exchanger are repaired under shutdown status, avoid the system-down caused by heat exchanger failure,
What is connect reduces enterprise's economic loss caused by system-down；
4) first-class heat exchanger and secondary heat exchanger are internally provided with gas inlet partition board, and gas inlet partition board is equipped with honeycomb
Hole, heat exchanger tube are mounted in the honeycomb hole of gas inlet partition board, and the exhaust gas entered by exhaust gas inlet is flowed through useless by partition board bottom
Gas exports, and increases stroke of the exhaust gas in first-class heat exchanger and secondary heat exchanger, extends the preheating time of exhaust gas, improve
The preheating temperature of exhaust gas avoids and is directly flowed out from waste gas outlet after portion is entered by exhaust gas inlet, causes waste gas residual heat
Problem uneven, Btu utilization is insufficient；
5) heat exchanger tube both sides are equipped with the net gas air inlet partition board of heat, and the net gas air inlet partition board top of heat of side connects with heat exchanger upper wall
It connects, lower part is connect with card, and the net gas air inlet partition board top of heat of the other side is connect with heat exchanger lower wall, and lower part is connect with card；
The flue gas for carrying heat is flowed inside heat exchanger tube with sigmoid curve, is extended heat-exchange time of the flue gas in heat exchanger, is enhanced
The heat transfer effect of heat exchanger, improves the utilization rate of fume afterheat, while improving the uniformity of heating by the exhaust gases；
6) I side of main pipeline is equipped with desorption tube, and the desorption tube is equipped with diffusion valve, when flue internal pressure is more than
When setting safety value, diffusion valve automatically turns on, and to outside drain flue gas, avoids equipment because of the excessive generation explosion of pressure, ensures
The safety of equipment, protects the life security of operating personnel.
Description of the drawings
Attached drawing 1 is a kind of pre- roller coating aluminium volume production line emission-control equipment structural schematic diagram of the present invention；
Attached drawing 2 is first-class heat exchanger structural schematic diagram in a kind of pre- roller coating aluminium volume production line emission-control equipment of the present invention；
Attached drawing 3 is the net gas air inlet diaphragm structure signal of heat in a kind of pre- roller coating aluminium volume production line emission-control equipment of the present invention
Figure；
Attached drawing 4 is that gas inlet diaphragm structure is illustrated in a kind of pre- roller coating aluminium volume production line emission-control equipment of the present invention
Figure；
Attached drawing 5 is first-class heat exchanger Section A-A figure in a kind of pre- roller coating aluminium volume production line emission-control equipment of the present invention；
Attached drawing 6 is first-class heat exchanger card structural representation in a kind of pre- roller coating aluminium volume production line emission-control equipment of the present invention
Figure；
Attached drawing 7 is a kind of pre- roller coating aluminium volume production line emission-control equipment normal work gas flow schematic diagram of the present invention；
Attached drawing 8 is gas when a kind of pre- roller coating aluminium volume production line emission-control equipment first-class heat exchanger of the present invention is individually overhauled
Flow to schematic diagram；
Attached drawing 9 is gas when a kind of pre- roller coating aluminium volume production line emission-control equipment secondary heat exchanger of the present invention individually overhauls
Flow to schematic diagram；
When attached drawing 10 is a kind of pre- roller coating aluminium volume production line emission-control equipment I and II heat exchanger of the present invention while overhauling
Gas flow schematic diagram；
In figure：12- combustion systems, 13- heat-exchange systems, 14- spray drying system, 101- exhaust gas inlet pipelines, 102- master
Pipeline I, 1021- main pipelines II, the first by-pass lines of 103-, 104- by-pass line valves, 105- main pipeline valve Is, 1051- master
Pipeline valve II, 106- exhaust gas inlet valves, 107- desorption tubes, 108- diffusion valves, the second by-pass lines of 109-, by 110- thirds
It threads a pipe, the 4th by-pass lines of 111-, 201- combustors, 202- mixers, the combustion chambers 203-, 204- fire-proof plates, 301- accumulation of heats
Room, 302- compensators, 303- first-class heat exchangers, 304- secondary heat exchangers, 305- exhaust gas inlets, 306- waste gas outlets, 307- are changed
Heat pipe, the hot fresh-air intakes of 308-, the net gas air inlet partition board of 309- heat, 310- gas inlet partition boards, the net gas outlet of 311- heat, 312- flowers
Plate, 313- honeycomb holes, 314- heat exchanger cylinders, 315- manholes, 401- spray drying box, the net gas outlets 402-, 403- air inducing
Machine, 404- exhaust uptakes.
Specific implementation mode
For convenience of the understanding of those skilled in the art, 1-10, further to technical scheme of the present invention below in conjunction with the accompanying drawings
It illustrates.
Embodiment 1
As shown in figs. 1-7,
A kind of pre- roller coating aluminium volume production line emission-control equipment, including combustion system 12, heat-exchange system 13, spraying drying system
System 14, the spraying drying system 14 include spraying drying box 401, net gas outlet 402, air-introduced machine 403, exhaust uptake 404, institute
It states 401 top side of spraying drying box and is equipped with net gas outlet 402, the net gas exports 402 sides and is equipped with air-introduced machine 403, described
Air-introduced machine 403 is connected with net gas outlet 402 by pipeline, and 403 side of the air-introduced machine is equipped with exhaust uptake 404；
14 side of spraying drying system is equipped with heat-exchange system 13, and the heat-exchange system 13 includes regenerative chamber 301, level-one
Heat exchanger 303, secondary heat exchanger 304,401 side of spraying drying box are equipped with first-class heat exchanger 303, the first-class heat exchanger
303 include heat exchanger cylinder 314, card 312, heat exchanger tube 307, exhaust gas inlet 305, waste gas outlet 306, hot fresh-air intake 308,
Hot net gas outlet 311,314 top side of the heat exchanger cylinder is equipped with exhaust gas inlet 305, and 305 side of the exhaust gas inlet is set
There are waste gas outlet 306,305 side of the exhaust gas inlet to be equipped with exhaust gas inlet pipeline 101, set on the exhaust gas inlet pipeline 101
There are exhaust gas inlet valve 106,306 side of the waste gas outlet to be equipped with main pipeline I 102, the main pipeline I 102 is equipped with supervisor
Road valve I 105, described 314 one end of heat exchanger cylinder are equipped with hot fresh-air intake 308, and the other end is equipped with the net gas outlet 311 of heat, institute
It states 308 side of hot fresh-air intake and is equipped with main pipeline valve II 1051, II 1051 side of main pipeline valve is equipped with compensator
302, the compensator 302 causes pipe deforming or destruction due to thermal stretching or temperature stress when avoiding pipeline temperature rise, subtracts
The small stress of tube wall and act on the active force on valve；The heat exchanger cylinder 314 is internally provided with several heat exchanger tubes 307,
307 both ends of the heat exchanger tube are fixed on card 312, and the card 312 is equipped with several honeycomb holes 313, the heat exchanger tube 307
Inside honeycomb hole 313；303 side of the first-class heat exchanger is equipped with secondary heat exchanger 304, the secondary heat exchanger 304
Including heat exchanger cylinder 314, card 312, heat exchanger tube 307, exhaust gas inlet 305, waste gas outlet 306, hot fresh-air intake 308, heat
Net gas outlet 311,314 top side of the heat exchanger cylinder is equipped with exhaust gas inlet 305, and 305 side of the exhaust gas inlet is equipped with
Waste gas outlet 306,304 exhaust gas inlet 305 of the secondary heat exchanger pass through pipeline and 303 waste gas outlet of the first-class heat exchanger
305 connections, the exhaust gas inlet pipeline 101 are equipped with main pipeline valve I 105, and 306 side of the waste gas outlet is equipped with main pipeline
I 102, the main pipeline I 102 is equipped with main pipeline valve I 105, and described 314 one end of heat exchanger cylinder is equipped with hot fresh-air intake
308, the other end is equipped with the net gas outlet 311 of heat, and 308 side of hot fresh-air intake is equipped with main pipeline valve II 1051, the master
II 1051 side of pipeline valve is equipped with compensator 302, due to thermal stretching or temperature when the compensator 302 avoids pipeline temperature rise
Stress and cause pipe deforming or destruction, reduce tube wall stress and act on the active force on valve；The heat exchanger cylinder
Body 314 is internally provided with several heat exchanger tubes 307, and 307 both ends of the heat exchanger tube are fixed on card 312, and the card 312 is equipped with
Several honeycomb holes 313, the heat exchanger tube 307 are mounted on inside honeycomb hole 313, and the net gas of 304 heat of the secondary heat exchanger exports 311
It is connect by main pipeline II 1021 with 303 hot fresh-air intake 308 of first-class heat exchanger；
302 side of the compensator is equipped with regenerative chamber 301, and the regenerative chamber 301 stores heat spare, improves the energy
Utilization rate；301 side of the regenerative chamber is equipped with combustion system 12, and the combustion system 12 includes combustor 201, mixer
202, combustion chamber 203, fire-proof plate 204,301 side of the regenerative chamber are equipped with fire-proof plate 204, and fire-proof plate had both prevented the fire of burning
Flame is spread to other equipment, and can play good thermal insulation function, improves the safety of equipment and the utilizing status of the energy；
204 side of the fire-proof plate is equipped with combustion chamber 203, and 203 top side of the combustion chamber is equipped with main pipeline I 102, the combustion chamber
203 sides are equipped with mixer 202, and the mixer 202 is internally provided with catalytic brick, after the organic matter and air mixing in exhaust gas,
Oxidation reaction occurs under the catalytic action of catalytic brick, generates harmless CO2And H2O, catalytic brick reduce the ignition temperature of organic matter
Degree, reduces pre- thermal energy consumption；202 side of the mixer is equipped with manhole 315, when equipment downtime being facilitated to overhaul, service personnel
It is overhauled inside into equipment, 315 side of the manhole is equipped with combustor 201, and the combustor 201 is equipped with burner,
Exhaust gas is lighted by the burner of combustor 201, exhaust gas is made fully to burn in mixer and oxygen mix, and heat is discharged.
The first-class heat exchanger 303 and secondary heat exchanger 304 are internally provided with gas inlet partition board 310, the gas inlet
Partition board 310 is equipped with honeycomb hole 313, and the heat exchanger tube 307 is mounted in the honeycomb hole 313 of gas inlet partition board 310, by exhaust gas
The exhaust gas that import 305 enters is flowed out by partition board bottom through waste gas outlet 306, increases exhaust gas in first-class heat exchanger 303 and two
Stroke in grade heat exchanger 304, extends the preheating time of exhaust gas, improves the preheating temperature of exhaust gas, avoid portion
Directly flowed out from waste gas outlet 306 after entering heat exchanger by exhaust gas inlet 305, cause heating by the exhaust gases is uneven, Btu utilization not
Abundant problem.
307 both sides of the heat exchanger tube are equipped with the net gas air inlet partition board 309 of heat, net 309 top of gas air inlet partition board of heat of side with
Heat exchanger upper wall connects, and lower part is connect with card 312, and net 309 top of gas air inlet partition board of heat of the other side connects with heat exchanger lower wall
It connects, lower part is connect with card 312；The flue gas for carrying heat is flowed inside heat exchanger tube 307 with sigmoid curve, is extended flue gas and is existed
Heat-exchange time in heat exchanger enhances the heat transfer effect of heat exchanger, improves the utilization rate of fume afterheat, while improving useless
The uniformity of gas preheating.
I 102 side of the main pipeline is equipped with desorption tube 107, and the desorption tube 107 is equipped with diffusion valve 108, works as fume pipe
When road internal pressure is more than setting safety value, diffusion valve 108 automatically turns on, and to outside drain flue gas, avoids equipment because of pressure
Excessive generation explosion, has ensured the safety of equipment, has protected the life security of operating personnel.
A kind of pre- roller coating aluminium volume production line emission-control equipment, operation principle are：Day is used when equipment is lighted a fire for the first time
Right gas preheating, after reaching normal working temperature, the valve on main pipeline I 102 and main pipeline II is all turned on, spray material surface
Organic matter in spraying drying box 401 evaporation become exhaust gas, exhaust gas enters first-class heat exchanger 303, exhaust gas by exhaust gas inlet
It is flow to waste gas outlet 306 in 307 outer surface of heat exchanger tube, temperature increases, and secondary heat exchanger 304 is transported to through main pipeline I 102,
Exhaust gas again passes by heat exchange preheating in 307 outer surface of heat exchanger tube of secondary heat exchanger 304, and temperature increases again, through main pipeline I
102 are transported to combustion chamber 203, after exhaust gas is mixed with air in mixer 202, fully burn through combustor 201, by organic matter
Exhaust gas resolves into CO2And H2O, and heat is generated, heat is by main pipeline II 1021 followed by regenerative chamber 301, secondary heat exchanger
Inside heat exchanger tube 307, inside first-class heat exchanger heat exchanger tube 307, spraying drying box 401, on the one hand sprayed on material is dried,
On the other hand the exhaust gas generated to drying preheats, and improves the utilization rate of heat；CO2And H2O then passes through through air-introduced machine 403
Exhaust uptake 404 is discharged.
Embodiment 2
As shown in figure 8,
With embodiment 1 except that：101 side of exhaust gas inlet pipeline is equipped with the first by-pass line 103, and described the
Bypass line road 103 is equipped with by-pass line valve 104, first by-pass line 103 and 303 waste gas outlet of first-class heat exchanger
306 main pipelines I 102 connect, and when first-class heat exchanger 303 breaks down, close exhaust gas inlet valve 106, open the first bypass
By-pass line valve 104 on pipeline 103, flue gas are directly entered next treatment process around first-class heat exchanger 303, to repair people
Member's repair first-class heat exchanger 303 provides condition, avoids the system-down caused by 303 failure of first-class heat exchanger, reduces system
The probability of shutdown, indirectly reduces enterprise's economic loss caused by system-down, and the heat and flue gas of generation pass sequentially through
Inside regenerative chamber, secondary heat exchanger heat exchanger tube, the 4th bypass pipe enter spraying drying box, be discharged by air-introduced machine.
Embodiment 3
As shown in figs. 9-10,
With embodiment 1 and embodiment 2 except that：303 waste gas outlet of the first-class heat exchanger, 306 main pipeline I 102 1
Side is equipped with the second by-pass line 109, and second by-pass line 109 is equipped with by-pass line valve 104, second bypass pipe
Road 109 is connect with 304 waste gas outlet of secondary heat exchanger, 306 main pipeline I 102,304 hot fresh-air intake 308 of the secondary heat exchanger
It is connected by third by-pass line 110 with hot net gas outlet 311, the third by-pass line 110 is equipped with by-pass line valve
104；When secondary heat exchanger 304 breaks down, the main pipeline valve I 105 at 304 exhaust gas inlet 305 of secondary heat exchanger is closed
With the main pipeline valve I 105 at waste gas outlet 306, by-pass line valve 104 and third on the second by-pass line 109 are opened
By-pass line valve 104 on by-pass line 110, flue gas bypass secondary heat exchanger 304；110 side of third by-pass line
Equipped with the 4th by-pass line 111, the 4th by-pass line 111 is equipped with by-pass line valve 104, the 4th by-pass line
111 one end connects with spraying drying box 401, when first-class heat exchanger 303 and secondary heat exchanger 304 break down simultaneously, closing
Exhaust gas inlet valve 106 and all main pipeline valve Is 105, open all by-pass line valves 104, directly outer after smoke combustion
Row, while maintenance personal repairs first-class heat exchanger 303 and secondary heat exchanger 304 under not shutdown status, avoid because
Heat exchanger failure causes system-down, indirectly reduces enterprise's economic loss caused by system-down.
Above content is only the structure example and explanation to the present invention, affiliated those skilled in the art
It makes various modifications or additions to the described embodiments or substitutes by a similar method, without departing from invention
Structure or beyond the scope defined by this claim, be within the scope of protection of the invention.
Claims (6)
1. a kind of pre- roller coating aluminium rolls up production line emission-control equipment, including combustion system, heat-exchange system, spraying drying system,
It is characterized in that the spraying drying system includes spraying drying box, the outlet of net gas, air-introduced machine, exhaust uptake, the spraying drying
Upper box part side is exported equipped with net gas, and the net gas outlet side is equipped with air-introduced machine, and the air-introduced machine and the outlet of net gas pass through pipe
Road connects, and the air-introduced machine side is equipped with exhaust uptake；
The spraying drying system side is equipped with heat-exchange system, and the heat-exchange system includes that regenerative chamber, first-class heat exchanger, two level are changed
Hot device, the spraying drying box side are equipped with first-class heat exchanger, and the first-class heat exchanger includes heat exchanger cylinder, card, heat exchange
The net gas outlet of pipe, exhaust gas inlet, waste gas outlet, hot fresh-air intake, heat, heat exchanger cylinder top side be equipped with exhaust gas into
Mouthful, the exhaust gas inlet side is equipped with waste gas outlet, and the exhaust gas inlet side is equipped with exhaust gas inlet pipeline, the exhaust gas inlet
Pipeline is equipped with exhaust gas inlet valve, and the waste gas outlet side is equipped with main pipeline I, and the main pipeline I is equipped with main pipeline valve
Door I, heat exchanger cylinder one end are equipped with hot fresh-air intake, and the other end is equipped with the net gas outlet of heat, the hot fresh-air intake side
Equipped with main pipeline valve II, II side of main pipeline valve is equipped with compensator；The heat exchanger inner barrel is equipped with several change
Heat pipe, the heat exchanger tube both ends are fixed on card, and the card is equipped with several honeycomb holes, and the heat exchanger tube is mounted on honeycomb
Inside hole；The first-class heat exchanger side is equipped with secondary heat exchanger, and the secondary heat exchanger includes heat exchanger cylinder, card, changes
The net gas outlet of heat pipe, exhaust gas inlet, waste gas outlet, hot fresh-air intake, heat, heat exchanger cylinder top side be equipped with exhaust gas into
Mouthful, the exhaust gas inlet side is equipped with waste gas outlet, and the secondary heat exchanger exhaust gas inlet is exchanged heat by pipeline and the level-one
Device waste gas outlet connects, and the exhaust gas inlet pipeline is equipped with main pipeline valve I, and the waste gas outlet side is equipped with main pipeline I,
The main pipeline I is equipped with main pipeline valve I, and heat exchanger cylinder one end is equipped with hot fresh-air intake, and it is net that the other end is equipped with heat
Gas exports, and the hot fresh-air intake side is equipped with main pipeline valve II, and II side of main pipeline valve is equipped with compensator；It is described
Heat exchanger inner barrel is equipped with several heat exchanger tubes, and the heat exchanger tube both ends are fixed on card, and the card is equipped with several bees
Socket bore, the heat exchanger tube are mounted on inside honeycomb hole, the net gas outlet of secondary heat exchanger heat and the net gas of first-class heat exchanger heat into
Mouth is connected by main pipeline II；
The compensator side is equipped with regenerative chamber；The regenerative chamber side is equipped with combustion system, and the combustion system includes burning
Machine, mixer, combustion chamber, fire-proof plate, the regenerative chamber side are equipped with fire-proof plate, and the fire-proof plate side is equipped with combustion chamber, institute
It states combustion chamber top side and is equipped with main pipeline I, the combustor side is equipped with mixer, and the internal mixer is equipped with catalysis
Brick；The mixer side is equipped with manhole, and the manhole side is equipped with combustor, and the combustor is equipped with burner.
2. a kind of pre- roller coating aluminium according to claim 1 rolls up production line emission-control equipment, it is characterised in that the exhaust gas
Inlet pipeline side is equipped with the first by-pass line, and first by-pass line is equipped with by-pass line valve, first bypass
Pipeline is connect with first-class heat exchanger waste gas outlet main pipeline I.
3. a kind of pre- roller coating aluminium according to claim 2 rolls up production line emission-control equipment, it is characterised in that the level-one
I side of heat exchanger waste gas outlet main pipeline is equipped with the second by-pass line, and second by-pass line is equipped with by-pass line valve,
Second by-pass line is connect with secondary heat exchanger waste gas outlet main pipeline I, the hot fresh-air intake of the secondary heat exchanger and heat
Net gas outlet is connected by third by-pass line, and the third by-pass line is equipped with by-pass line valve；The third bypass
Pipeline side is equipped with the 4th by-pass line, and the 4th by-pass line is equipped with by-pass line valve, the 4th by-pass line
One end is connect with spraying drying box.
4. a kind of pre- roller coating aluminium according to claim 1 rolls up production line emission-control equipment, it is characterised in that the level-one
Heat exchanger and secondary heat exchanger are internally provided with gas inlet partition board, and the gas inlet partition board is equipped with honeycomb hole, the heat exchange
Pipe is in the honeycomb hole of gas inlet partition board.
5. a kind of pre- roller coating aluminium according to claim 1 rolls up production line emission-control equipment, it is characterised in that the heat exchange
Pipe both sides are equipped with the net gas air inlet partition board of heat, and the net gas air inlet partition board top of heat of side is connect with heat exchanger upper wall, lower part and card
The net gas air inlet partition board top of heat of connection, the other side is connect with heat exchanger lower wall, and lower part is connect with card.
6. a kind of pre- roller coating aluminium according to claim 1 rolls up production line emission-control equipment, it is characterised in that the supervisor
I side of road is equipped with desorption tube, and the desorption tube is equipped with diffusion valve.
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| JPH0743106B2 (en) * | 1991-12-16 | 1995-05-15 | 株式会社濱田製作所 | Equipment for drying and incinerating livestock manure |
| CN101413669A (en) * | 2007-10-16 | 2009-04-22 | 张家港市三省净化设备有限公司 | Waste gas heating power incineration process flow |
| DE102010030909A1 (en) * | 2010-03-31 | 2011-10-06 | Hitachi Power Europe Gmbh | Process for heat recovery from thermal energy generated from a flue gas stream |
| CN103994449B (en) * | 2014-05-30 | 2016-05-25 | 江苏百纳环保设备有限公司 | A kind of compound emission-control equipment |
| CN106269432A (en) * | 2016-09-20 | 2017-01-04 | 中国汽车工业工程有限公司 | Energy-efficient formula spraying drying system |
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Effective date of registration: 20191031 Address after: 276000 north of the middle section of Yinshan Road, Jinshan Industrial Park, Luoxi street, Linyi high tech Industrial Development Zone, Shandong Province Patentee after: Shandong zhongchuangxin Material Technology Co., Ltd Address before: 276017 Jia Zhuang Industrial Park, Rossi office, hi tech Zone, Shandong, Linyi Patentee before: Shandong Hexin new Mstar Technology Ltd |
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