CN107930293A - A kind of coating cloud exhaust treatment system being continuously desorbed - Google Patents
A kind of coating cloud exhaust treatment system being continuously desorbed Download PDFInfo
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- CN107930293A CN107930293A CN201711454822.7A CN201711454822A CN107930293A CN 107930293 A CN107930293 A CN 107930293A CN 201711454822 A CN201711454822 A CN 201711454822A CN 107930293 A CN107930293 A CN 107930293A
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- pipeline
- control valve
- coating cloud
- adsorbent equipment
- pipe
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- 239000011248 coating agent Substances 0.000 title claims abstract description 73
- 238000000576 coating method Methods 0.000 title claims abstract description 73
- 239000003463 adsorbent Substances 0.000 claims abstract description 63
- 238000001914 filtration Methods 0.000 claims abstract description 54
- 238000007084 catalytic combustion reaction Methods 0.000 claims abstract description 27
- 239000012530 fluid Substances 0.000 claims abstract description 23
- 238000003795 desorption Methods 0.000 claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 34
- 229920000742 Cotton Polymers 0.000 claims description 31
- 238000010438 heat treatment Methods 0.000 claims description 25
- 230000003197 catalytic effect Effects 0.000 claims description 23
- 239000003054 catalyst Substances 0.000 claims description 9
- 229910000510 noble metal Inorganic materials 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 238000006555 catalytic reaction Methods 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 5
- 239000003973 paint Substances 0.000 abstract description 6
- 238000001035 drying Methods 0.000 abstract description 5
- 239000007921 spray Substances 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 66
- 239000012855 volatile organic compound Substances 0.000 description 35
- 238000010586 diagram Methods 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000003467 diminishing effect Effects 0.000 description 4
- 239000003595 mist Substances 0.000 description 4
- 239000013618 particulate matter Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000013589 supplement Substances 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
- B01D2259/4009—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention provides a kind of coating cloud exhaust treatment system being continuously desorbed, including filtration apparatus, adsorbent equipment and desorption burner, filtration apparatus are connected in series with adsorbent equipment, and desorption burner is connected in parallel with adsorbent equipment；The first pipeline is provided between filtration apparatus and adsorbent equipment, the first control valve is provided with first pipeline, second pipe is provided between adsorbent equipment and exhaust pipe, the second control valve is provided with second pipe, the first control valve and the second control valve open or close at the same time；Desorption burner includes catalytic combustion system and heat-exchange device, and heat-exchange device includes hot-fluid pipeline and cold flow pipeline, and cold flow pipeline is connected with air blower, and catalytic combustion system is connected with hot-fluid pipeline.The coating cloud exhaust treatment system of the present invention can effectively remove the harmful substance in the coating cloud exhaust gas in paint spray booth or combined padding and drying system.
Description
Technical field
It is more particularly to a kind of to be used to handle the coating cloud exhaust-gas treatment containing VOCs the present invention relates to technical field of environment protection equipment
System.
Background technology
Paint spray booth and combined padding and drying system produce substantial amounts of coating cloud exhaust gas in operation process, and coating cloud exhaust gas has VOCs（Volatility
The abbreviation of organic compound）The characteristics of concentration is low, air quantity is big, this kind of coating cloud exhaust gas, which directly discharges, can cause serious environment dirty
Dye.After existing way is usually handled coating cloud exhaust gas by water curtain, water mist, then high altitude discharge processing is carried out, however, passing through
Water curtain, water mist processing can only absorb some of particulate matters and micro VOCs, and substantial amounts of VOCs is discharged into air, can not be done
Discharged to cleaning, cause environmental pollution.
The content of the invention
The object of the present invention is to provide a kind of harmful substance that can effectively remove in coating cloud exhaust gas and the paint that can recycle
Mist exhaust treatment system.
To achieve these goals, the present invention provides a kind of coating cloud exhaust treatment system being continuously desorbed, including filtering dress
Put, adsorbent equipment and desorption burner, filtration apparatus is connected in series with adsorbent equipment, is desorbed burner and adsorbent equipment simultaneously
Connection connection；The inlet end of filtration apparatus is connected with exhaust piping, and the first pipeline is provided between filtration apparatus and adsorbent equipment, the
The first control valve is provided with one pipeline, second pipe is provided between adsorbent equipment and exhaust pipe, is provided with second pipe
Second control valve, the first control valve and the second control valve open or close at the same time, and multilayer coating cloud cotton is provided with filtration apparatus, inhale
Multilayer activated carbon cotton is provided with adsorption device；Desorption burner includes catalytic combustion system and heat-exchange device, heat exchange dress
Put and passed through including hot-fluid pipeline and cold flow pipeline, hot-fluid pipeline from cold flow pipeline, inlet end and the air blower of cold flow pipeline connect
Connect, the outlet side of catalytic combustion system is connected with the inlet end of hot-fluid pipeline；First between first control valve and adsorbent equipment
The 3rd pipeline it has been arranged in parallel on pipeline, the inlet end of the 3rd pipeline and catalytic combustion system connects, and is provided with the 3rd pipeline
Third control valve；Be arranged in parallel the 4th pipeline on second pipe between adsorbent equipment and the second control valve, the 4th pipeline with
The outlet side of cold flow pipeline connects, and the 4th control valve is provided with the 4th pipeline；Second between second control valve and exhaust pipe
The 5th pipeline is arranged in parallel on pipeline, the 5th pipeline is connected with the outlet side of hot-fluid pipe, and the 5th control is provided with the 5th pipeline
Valve processed；Third control valve, the 4th control valve and the 5th control valve open or close at the same time.
As seen from the above technical solution, under adsorbed state, while the first control valve and the second control valve are opened, and at the same time
Close third control valve, the 4th control valve and the 5th control valve.Coating cloud exhaust gas enters in filtration apparatus by exhaust piping, then leads to
Cross the first pipeline to enter in adsorbent equipment, discharged finally by second pipe from exhaust pipe.Filtration apparatus carries out coating cloud exhaust gas
Filtration treatment, removes oily matter and particulate matter.Adsorbent equipment adsorbs coating cloud exhaust gas, removes VOCs so that coating cloud
Harmful substance in exhaust gas removes totally, can directly discharge.Under detachment status, the first control valve and the second control are simultaneously closed off
Valve, and third control valve, the 4th control valve and the 5th control valve are opened at the same time.Constantly drawn by air blower into cold flow pipeline
Enter fresh air, air temperature after heat-exchange device raises, and is entered by the 4th pipeline in adsorbent equipment, hot-air with
When activated carbon cotton in adsorbent equipment contacts, the VOCs on activated carbon cotton is desorbed so that VOCs is separated with activated carbon cotton
And enter together with hot-air in the 3rd pipeline, the 3rd pipeline burns VOCs gases introducing catalytic combustion system, VOCs
CO is converted into after burning2And H2O, passes sequentially through the 5th pipeline, second pipe and emission by exhaust pipe into air.By desorption
Activated carbon cotton can be with Reusability.
Further scheme is the first control valve, the second control valve, third control valve, the 4th control valve and the 5th control
Valve is solenoid valve.
As it can be seen that the opening and closing of solenoid valve can be automatically controlled by control circuit, intellectualized operation is realized.
Further scheme is that centrifugal blower is provided between second pipe and exhaust pipe.
As it can be seen that centrifugal blower provides power for exhaust.
Further scheme is that pipeline fan is provided with exhaust piping.
As it can be seen that pipeline fan provides required power for exhaust gas flowing.
Further scheme is that filter chamber is provided with filtration apparatus, vertically on, be provided with least in filter chamber
Two layers of first fixing brackets, coating cloud cotton are uniformly arranged on the first fixing bracket, first it is support bracket fastened vertically two
Side is respectively arranged with the first cavity and the second cavity, and the first cavity is provided with first connected with the inlet end of filtration apparatus and opens
Mouthful, the second cavity is provided with the second opening connected with the outlet side of filtration apparatus.
As it can be seen that setting at least two layers of first fixing brackets in filter chamber, be conducive to reduce the volume of filtration apparatus, and can carry
The effective filtration area of high coating cloud cotton, reduces resistance of the coating cloud exhaust gas by coating cloud cotton, oily matter in coating cloud exhaust gas and
Grain material can be filtered fully.
Further scheme is that adsorbent chamber is provided with adsorbent equipment, is obliquely provided with from top to bottom in adsorbent chamber more
A second fixing bracket, activated carbon cotton are uniformly arranged on the second fixing bracket, and multiple second fixing brackets join end to end successively.
It is arranged on as it can be seen that the second fixing bracket is inclined in adsorbent chamber, substantially increases the adsorption area of activated carbon cotton, subtract
The small volume of adsorbent chamber, is conducive to minimize.
Further scheme is that heat-exchange device includes the cold flow pipeline laterally set and longitudinally disposed hot-fluid pipeline,
More heat-exchange tubes are provided with hot-fluid pipeline, are provided with multiple heat sinks on the outer wall of heat-exchange tube, heat-exchange tube is from cold flow
Passed through in pipeline.
As it can be seen that heat sink is set to be conducive in heat transfer to cold flow pipeline on the outer wall of heat-exchange tube, so as to cold
Air in flow tube road is preheated.
Further scheme is that assisted heating device is provided with cold flow pipeline, and assisted heating device includes more heating
Pipe, heating tube and the outlet side of cold flow pipeline abut.
As it can be seen that assisted heating device is set further to be heated to air, it is ensured that air reaches the temperature needed for desorption.
Further scheme is that catalytic combustion system includes shell and inner casing, and interconnected heating is provided with inner casing
Room and catalytic combustor, are provided with more heat-generating pipes in heating chamber, are provided with metal catalytic block in catalytic combustor or ceramics are urged
Change block, noble metal catalyst is attached to the surface of metal catalytic block or ceramic catalytic block.
As it can be seen that by the way that noble metal catalyst is attached on metal catalytic block or ceramic catalytic block, VOCs gases are increased
With the contact area of noble metal catalyst so that VOCs gases can fully burn in catalytic combustor, in noble metal catalyst
Catalytic action under, burn required temperature of VOCs gases reduces, and is conducive to save electric energy.
Further scheme is that back-shaped runner is formed between shell and inner casing, entrance and the catalysis burning dress of back-shaped runner
The inlet end connection put, the outlet of back-shaped runner are connected with heating chamber, and outlet side and the catalytic combustor of catalytic combustion system connect
It is logical.
As it can be seen that VOCs gases are preheated after back-shaped runner, temperature rise, reduces the energy needed for oven heats
Amount, further saves electric energy.
Brief description of the drawings
Fig. 1 is structure diagram of the coating cloud exhaust treatment system embodiment of the present invention under adsorbed state.
Fig. 2 is structure diagram of the coating cloud exhaust treatment system embodiment of the present invention under detachment status.
Fig. 3 is the structure diagram of the filtration apparatus of the coating cloud exhaust treatment system embodiment of the present invention.
Fig. 4 is the structure diagram of the adsorbent equipment of the coating cloud exhaust treatment system embodiment of the present invention.
Fig. 5 is the structure diagram of the catalytic combustion system of the coating cloud exhaust treatment system embodiment of the present invention.
Fig. 6 is the structure diagram of the heat-exchange device of the coating cloud exhaust treatment system embodiment of the present invention.
The invention will be further described with reference to the accompanying drawings and embodiments.
Embodiment
The coating cloud exhaust treatment system of the present invention includes filtration apparatus, adsorbent equipment and desorption burner, passes through filtering
The dual suction-operated of device and adsorbent equipment, removes harmful in the coating cloud exhaust gas of paint spray booth and combined padding and drying system in operation process
Component, reaches the standard of cleaning discharge, can directly discharge；Burnt again by being desorbed burner and being desorbed VOCs, be converted into CO2
And H2O is discharged.
Referring to Fig. 1, Fig. 1 is structure diagram of the coating cloud exhaust treatment system embodiment of the present invention under adsorbed state.
Arrow in Fig. 1 represents the flow direction of gas, and the coating cloud exhaust gas produced in paint spray booth 1 and combined padding and drying system 2 passes through exhaust piping 100
It is connected with filtration apparatus 3, exhaust piping 100 is internally provided with pipeline fan 101, can be by coating cloud exhaust gas by pipeline fan 101
Constantly it is introduced into filtration apparatus 3, multilayer coating cloud cotton is provided with filtration apparatus 3.Filtration apparatus 3 and 4 company of series connection of adsorbent equipment
Connect, multilayer activated carbon cotton is provided with adsorbent equipment 4.The first pipeline 11 is provided between filtration apparatus 3 and adsorbent equipment 4, the
The first control valve 110 is provided with one pipeline.Second pipe 12, second pipe 12 are provided between adsorbent equipment 4 and exhaust pipe 5
On be provided with the second control valve 120.Centrifugal blower 51 is additionally provided between second pipe 12 and exhaust pipe 5, centrifugal blower 51 is
The flowing of gas provides power, can adjust exhaust air rate by frequency control.
Desorption burner includes catalytic combustion system 7 and heat-exchange device 8, and desorption burner and adsorbent equipment 4 are simultaneously
Connection connection.Heat-exchange device 8 includes cold flow pipeline 80 and hot-fluid pipeline 81, and hot-fluid pipeline 81 is passed through from cold flow pipeline 80, cold
The inlet end in flow tube road 80 is connected with air blower 9, and the outlet side of catalytic combustion system 7 is connected with the inlet end of hot-fluid pipeline 81.
The 3rd pipeline 13, the 3rd pipe have been arranged in parallel on the first pipeline 11 between first control valve 110 and adsorbent equipment 4
Road 13 is connected with the inlet end of catalytic combustion system 7, and third control valve 130 is provided with the 3rd pipeline 13.Adsorbent equipment 4 and
The 4th pipeline 14 is arranged in parallel on second pipe 12 between two control valves 120, the 4th pipeline 14 goes out with cold flow pipeline 80
Gas end connects, and the 4th control valve 140 is provided with the 4th pipeline 14.Second pipe between second control valve 120 and exhaust pipe 5
The 5th pipeline 15 is arranged in parallel on 12, the 5th pipeline 15 is connected with the outlet side of hot-fluid pipe 81, is provided with the 5th pipeline 15
5th control valve 150.In the present embodiment, the first control valve 110, the second control valve 120, third control valve the 130, the 4th control
140 and the 5th control valve 150 of valve is solenoid valve, by control circuit them can be controlled to be automatically opened or closed.
Under the adsorbed state shown in Fig. 1, while the first control valve 110 and the second control valve 120 are opened, and simultaneously closed off
Third control valve 130, the 4th control valve 140 and the 5th control valve 150.Coating cloud exhaust gas enters filtering by exhaust piping 100 and fills
In putting 3, then by the first pipeline 11 entrance adsorbent equipment 4, being discharged finally by second pipe 12 from exhaust pipe 5.Filtering dress
Put 3 pairs of coating cloud exhaust gas and carry out filtration treatment, remove oily matter and particulate matter.Adsorbent equipment 4 is to the VOCs in coating cloud exhaust gas
Adsorbed, remove VOCs so that the harmful substance in coating cloud exhaust gas removes totally, can directly discharge.
Referring to Fig. 2, Fig. 2 is the coating cloud exhaust treatment system embodiment of the present invention in detachment status lower structure schematic diagram, Fig. 2
In arrow represent gas flow direction.Desorption manipulation is carried out in the case where paint spray booth 1 and combined padding and drying system 2 do not have operation,
Under detachment status, the first control valve 110 and the second control valve 120 are simultaneously closed off, and opens third control valve the 130, the 4th at the same time
140 and the 5th control valve 150 of control valve.Fresh air is constantly introduced into cold flow pipeline 80 by air blower 9, air passes through
After heat-exchange device 8 temperature raise, by the 4th pipeline 14 enter adsorbent equipment 4 in, hot-air with adsorbent equipment 4 in work
Property the contact of charcoal cotton when, the VOCs on activated carbon cotton is desorbed so that VOCs is separated with activated carbon cotton and together with hot-air
Into in the 3rd pipeline 13, the 3rd pipeline 13 burns VOCs gases introducing catalytic combustion system 7, is converted after VOCs burnings
For CO2And H2O, passes sequentially through the 5th pipeline 15, second pipe 12 and exhaust pipe 5 and is discharged into air.By the activated carbon of desorption
Cotton can be with Reusability.
Referring to Fig. 3, Fig. 3 is the structure diagram of the filtration apparatus of the coating cloud exhaust treatment system embodiment of the present invention.Together
When referring to Fig. 1, the inside of filtration apparatus 3 is hollow structure, and the middle part of filtration apparatus 3 is provided with filter chamber 30, along vertical side
Upwards（The Y direction of Fig. 3）, it is arranged at intervals with three layer of first fixing bracket 31,32,33 in filter chamber 30 from bottom to top, first
Fixing bracket 31,32,33 is in the horizontal direction（The X-direction of Fig. 3）It is arranged in filter chamber 30, the first fixing bracket 31 can make
With screen or other breathable fixed frame, coating cloud cotton 300 is both provided with the first fixing bracket 31,32,33.
In one end of the inlet end 37 close to filtration apparatus 3, set between the first fixing bracket 31 and the first fixing bracket 32
The first closed plate 301 is equipped with, the second closed plate 302 is provided between the first fixing bracket 33 and the roof 34 of filtration apparatus 3；
Close to one end of the outlet side 38 of filtration apparatus 3, the 3rd is provided between the first fixing bracket 31 and the bottom wall 35 of filtration apparatus 3
Closed plate 303, the 4th closed plate 304 is provided between the first fixing bracket 32 and the first fixing bracket 33.First fixing bracket
31st, the first cavity 311 is surrounded between the 3rd closed plate 303 and bottom wall 35, the first cavity 311 has the connected with inlet end 37
One opening 321；The second cavity 312 is surrounded between first fixing bracket 31, the first closed plate 301 and the first fixing bracket 32, the
Two cavitys 312 have the second opening 322 connected with outlet side 38；First fixing bracket 32, the 4th closed plate 304 and first are solid
The 3rd cavity 313 is surrounded between fixed rack 33, the 3rd cavity 313 has the 3rd opening 323 connected with inlet end 37；First is solid
The 4th cavity 314 is surrounded between fixed rack 33, the second closed plate 302 and roof 34, the 4th cavity 314 has to be connected with outlet side 38
The 4th logical opening 324.
The inlet end 37 of filtration apparatus 3 has the longitudinal cross-section product gradually increased from outer to inner；The outlet of filtration apparatus 3
38 from-inner-to-outers are held to be accumulated with diminishing longitudinal cross-section.The arrow in gas flow direction such as Fig. 3 in filtration apparatus 3
Shown, coating cloud exhaust gas enters in filtration apparatus 3 from inlet end 37, and in the inside of inlet end 37, coating cloud exhaust gas is opened from first respectively
321 and the 3rd opening 323 of mouth enters in the first cavity 311 and the 3rd cavity 313.Coating cloud exhaust gas into the first cavity 311,
Enter outlet side 38 after through the first fixing bracket 31；Coating cloud exhaust gas into the 3rd cavity 313, a part are solid through first
Enter outlet side 38 after fixed rack 32, another part enters outlet side 38 after passing through the first fixing bracket 33.Due to the first fixation
Coating cloud cotton 300 is both provided with stent 31,32,33, coating cloud cotton 300 has very the oily matter in coating cloud exhaust gas and particulate matter
Good adsorptivity, therefore, after coating cloud cotton 300, oily matter and particulate matter therein are filtered coating cloud exhaust gas.Can basis
It is actually needed, more than three layers of the first fixing bracket is set in filter chamber 30, and is respectively provided with every layer of first fixing bracket
Coating cloud cotton.Since the first fixing bracket is laterally set, the volume of filtration apparatus is greatly reduced, coating cloud exhaust gas enters filtering and fills
Postpone and be divided into multiply air-flow, per one air-flow only by one layer of first fixing bracket, reduce the resistance of coating cloud exhaust gas, favorably
Quickly pass through in coating cloud exhaust gas out of filtration apparatus.Sandwich construction in filtration apparatus, substantially increases effective mistake of coating cloud cotton
Filtering surface accumulates.
Referring to Fig. 4, Fig. 4 is knot of the adsorbent equipment of the coating cloud exhaust treatment system embodiment of the present invention under adsorbed state
Structure schematic diagram.Referring also to Fig. 1 and Fig. 3, the inside of adsorbent equipment 4 is hollow structure, and the middle part of adsorbent equipment 4 is provided with absorption
Chamber 40, six layer of second fixing bracket 41 is obliquely provided with adsorbent chamber 40, uniformly fixation is set activated carbon cotton 42 from top to bottom
Put on the second fixing bracket 41, six layer of second fixing bracket 41 joins end to end successively.The second fixing bracket of first layer 41 and
First cavity 401 of the opening towards inlet end 43, the second fixing bracket of third layer 41 are formed between two layer of second fixing bracket 41
Second cavity 402 of the opening towards inlet end 43 is formed between the 4th layer of second fixing bracket 41, layer 5 second fixes branch
Threeth cavity 403 of the opening towards inlet end 43 is formed between frame 41 and the second fixing bracket of layer 6 41, first layer second is solid
Fourth cavity 404 of the opening towards outlet side 44 is formed between the roof of fixed rack 41 and adsorbent equipment 4, the second layer second is fixed
Between stent 41 and the second fixing bracket of third layer 41 formed opening towards outlet side 44 the 5th cavity 405, the 4th layer second
Sixth cavity 406 of the opening towards outlet side 44, layer 6 are formed between fixing bracket 41 and the second fixing bracket of layer 5 41
Seventh cavity 407 of the opening towards outlet side 44 is formed between second fixing bracket 41 and the bottom wall of adsorbent equipment 4.Adsorbent equipment
4 inlet end 43 has the longitudinal cross-section product gradually increased from outer to inner, and 44 from-inner-to-outer of outlet side of adsorbent equipment 4 has
Diminishing longitudinal cross-section product.Gas flow direction in adsorbent equipment 4 as shown by the arrows in figure 4, adsorbent equipment 4
Inlet end 43 is connected with the outlet side 38 of filtration apparatus 3, and the coating cloud exhaust gas after the filtering of filtration apparatus 3 enters from inlet end 43
In adsorbent equipment 4, then pass through the second fixing bracket of the second fixing bracket of first layer 41 and the second layer respectively from the first cavity 401
41 enter the 4th cavity 404 and the 5th cavitys 405, pass through the second fixing bracket of third layer 41 and the respectively from the second cavity 402
Four layer of second fixing bracket 41 enters the 5th cavity 405 and the 6th cavity 406, passes through layer 5 the respectively from the 3rd cavity 403
Two fixing brackets 41 and the second fixing bracket of layer 6 41 enter the 6th cavity 406 and the 7th cavity 407, finally from the 4th cavity
404th, the 5th cavity 405, the 6th cavity 406 and the 7th cavity 407 enter outlet side 44, due to being set on the second fixing bracket 41
Activated carbon cotton 42 there is very strong suction-operated to the VOCs in coating cloud exhaust gas, after coating cloud exhaust gas is by adsorbent equipment 4, wherein
Main harmful substance VOCs adsorbed, can directly be discharged by exhaust pipe 5.In other implementations, can also root
According to actual needs, the number of plies of the second fixing bracket 41 of change.Since the second fixing bracket 41 is obliquely installed and is joined end to end, significantly
The effective area of activated carbon cotton 42 is improved, reduces the volume of adsorbent equipment 4.Under detachment status, the gas in adsorbent equipment 4
The direction of arrow in body flow direction and Fig. 4 on the contrary, hot-air in the 4th pipeline 14 by adsorbent equipment 4 outlet side 44 into
Enter in adsorbent equipment 4.
Referring to Fig. 5, Fig. 5 is the structural representation of the catalytic combustion system of the coating cloud exhaust treatment system embodiment of the present invention
Figure.Referring also to Fig. 2 and Fig. 4, catalytic combustion system 7 include outer cover 71, shell 72 and inner casing 73, and shell 72 and inner casing 73 are set
In the inside of outer cover 71, the heat-insulation chamber 710 of annular is formed between outer cover 71 and shell 72, is formed back between shell 72 and inner casing 73
Shape runner 720.The inlet end 711 of catalytic combustion system 7 is arranged on the bottom of shell 72, the entrance 721 of back-shaped runner 720 with into
Gas end 711 connects, and the bottom of shell 72 is provided with air supplement entrance 75, and air supplement entrance 75 is located at back-shaped runner 720
At entrance 721.Air supplement entrance 75 is connected with wind turbine, and ozone is supplemented into back-shaped runner 720.Desorption case 6 goes out
Gas end 62 is connected with the inlet end 711 of catalytic combustion system 7, and VOCs gases enter in back-shaped runner 720 by inlet end 711,
Flowed along the direction shown in the arrow in Fig. 6, enter heating from the outlet 722 of back-shaped runner 720 after back-shaped runner 720
In room 730, outlet 722 is connected with heating chamber 730.After the heating of heat-generating pipe 731, VOCs gases can reach needed for catalysis burning
The temperature wanted.VOCs gases after heating enter in catalytic combustor 740, and three layers of catalysis block are provided with catalytic combustor 740
741, catalysis block 741 uses cellular metal catalytic block or ceramic catalytic block, is catalyzed on block 741 and is attached with substantial amounts of noble metal
Catalyst, noble metal catalyst use the one or more in platinum, palladium, rhodium, silver or ruthenium etc..Since catalysis block 741 has honeycomb
The structure of shape, so as to substantially increase the contact area of VOCs gases and noble metal catalyst so that VOCs gases are in your gold
Fully burn under the catalytic action of metal catalyst, be converted into CO2And H2O, CO2And H2Contain substantial amounts of heat, finally, CO in O2、
H2The high-temperature mixed gas of O and air enters in heat-exchange device 8 from the outlet side 712 at the top for being arranged on shell 72.
Due to producing substantial amounts of heat in VOCs gas combustion process, the heat in catalytic combustor 740 passes through inner casing 73
Side wall be transferred in back-shaped runner 720, VOCs gases in back-shaped runner 720 are preheated, VOCs gases pass through back-shaped stream
Temperature raises behind road 720, efficiently utilizes the heat that burning produces in catalytic combustor 740, and capacity usage ratio is high.In addition,
The heat-insulation chamber 710 formed between outer cover 71 and shell 72 can prevent the heat in back-shaped runner 720 from outwards distributing, and reduce energy
Loss.Entrance 75 is supplemented by air ozone is supplemented into VOCs gases, improve the content of oxygen in VOCs gases,
Be conducive to the abundant burning of VOCs gases.
Referring to Fig. 6, Fig. 6 is the structure diagram of the heat-exchange device of the coating cloud exhaust treatment system embodiment of the present invention.
Referring also to Fig. 2 and Fig. 5, heat-exchange device 8 include the cold flow pipeline 80 laterally set and longitudinally disposed hot-fluid pipeline 81, heat
More heat-exchange tubes 810 are provided with flow tube road 81, have been covered with heat sink 811, heat-exchange tube on the outer wall of heat-exchange tube 810
810 pass through out of cold flow pipeline 80, and the inlet end 811 of hot-fluid pipeline 81 is connected with the outlet side 712 of catalytic combustion system 7, into
Gas end 811 has the transverse cross-sectional area gradually increased from outer to inner.High temperature after VOCs burns in catalytic combustion system 7 mixes
Close gas by inlet end 811 to enter in hot-fluid pipeline 81, from the outlet side 812 of hot-fluid pipeline 81 after heat-exchange tube 810
Discharge, 812 from-inner-to-outer of outlet side have diminishing transverse cross-sectional area.The inlet end 801 of cold flow pipeline 80 and air blast
Machine 9 connects, and inlet end 801 has the longitudinal cross-section product gradually increased from outer to inner.Air blower 82 by fresh air in a steady stream not
In disconnected introducing cold flow pipeline 80, in cold flow pipeline 80 during flowing, high-temperature mixed gas flows air in heat-exchange tube 810
It is dynamic, heat exchange occurs between air and high-temperature mixed gas, due to being covered with heat sink 811 on the outer wall of heat-exchange tube 810, can have
The heat transfer by the high-temperature mixed gas in heat-exchange tube 810 of effect into cold flow pipeline 80, inhale by the air of cold flow pipeline 80
The heat on heat sink 811 is received, temperature rise, preheats air by heat-exchange tube 810.Also set up in cold flow pipeline 80
There is assisted heating device, assisted heating device includes more heating tubes 800, heating tube 800 and the outlet side 802 of cold flow pipeline 80
Adjacent, the outlet side 802 of cold flow pipeline 80 is connected with the 4th pipeline 14.802 from-inner-to-outer of outlet side has diminishing vertical
To cross-sectional area.When the temperature of the air by outlet side 802 is not up to the temperature needed for being desorbed, then pass through heating tube 800
Heated, to meet the desorption temperature of the VOCs of activated carbon cotton 42 in adsorbent equipment 4.Pass through heat-exchange device 8, hot-fluid pipeline
With the cryogenic gas in cold flow pipeline 80 heat exchange occurs for the high-temperature gas in 81, takes full advantage of desorption combustion system itself
Energy.
Certainly, above-described embodiment is only the preferable embodiment of the present invention, and when practical application can also have more changes,
For example, being not provided with back-shaped runner in catalytic combustion system, the inlet end of catalytic combustion system is directly connected with heating chamber；Or
Washing pool, water curtain room or water mist room are set on the path of exhaust piping.These changes can equally achieve the object of the present invention, all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done, should be included in right of the present invention
It is required that protection domain in.
Claims (10)
- A kind of 1. coating cloud exhaust treatment system being continuously desorbed, it is characterised in that：It is connected in series including filtration apparatus, adsorbent equipment and desorption burner, the filtration apparatus with the adsorbent equipment, institute Desorption burner is stated to be connected in parallel with the adsorbent equipment；The inlet end of the filtration apparatus is connected with exhaust piping, and is provided between the filtration apparatus and the adsorbent equipment One pipeline, is provided with the first control valve on first pipeline, second pipe is provided between the adsorbent equipment and exhaust pipe, The second control valve is provided with the second pipe, first control valve and second control valve open or close at the same time, Multilayer coating cloud cotton is provided with the filtration apparatus, multilayer activated carbon cotton is provided with the adsorbent equipment；The desorption burner includes catalytic combustion system and heat-exchange device, the heat-exchange device include hot-fluid pipeline with Cold flow pipeline, the hot-fluid pipeline are passed through from the cold flow pipeline, and the inlet end of the cold flow pipeline is connected with air blower, institute The outlet side for stating catalytic combustion system is connected with the inlet end of the hot-fluid pipeline；The 3rd pipeline, the 3rd pipe have been arranged in parallel on the first pipeline between first control valve and the adsorbent equipment The inlet end of road and catalytic combustion system connects, and third control valve is provided with the 3rd pipeline；The 4th pipeline, the 4th pipe have been arranged in parallel on second pipe between the adsorbent equipment and second control valve Road is connected with the outlet side of the cold flow pipeline, and the 4th control valve is provided with the 4th pipeline；It has been arranged in parallel the 5th pipeline on the second pipe between second control valve and the exhaust pipe, the described 5th Pipeline is connected with the outlet side of the hot-fluid pipe, and the 5th control valve is provided with the 5th pipeline；The third control valve, institute State the 4th control valve and the 5th control valve opens or closes at the same time.
- 2. coating cloud exhaust treatment system according to claim 1, it is characterised in that：First control valve, second control valve, the third control valve, the 4th control valve and the 5th control Valve is solenoid valve.
- 3. coating cloud exhaust treatment system according to claim 1 or 2, it is characterised in that：Centrifugal blower is provided between the second pipe and the exhaust pipe.
- 4. coating cloud exhaust treatment system according to claim 1 or 2, it is characterised in that：Pipeline fan is provided with the exhaust piping.
- 5. coating cloud exhaust treatment system according to claim 1 or 2, it is characterised in that：Filter chamber is provided with the filtration apparatus, vertically on, be provided with the filter chamber at least two layers first it is solid Fixed rack, the coating cloud cotton be uniformly arranged on first fixing bracket, described first it is support bracket fastened vertically Both sides are respectively arranged with the first cavity and the second cavity, and first cavity is provided with to be connected with the inlet end of the filtration apparatus First opening, second cavity be provided with connect with the outlet side of the filtration apparatus second be open.
- 6. coating cloud exhaust treatment system according to claim 1 or 2, it is characterised in that：Adsorbent chamber is provided with the adsorbent equipment, multiple second is obliquely provided with the adsorbent chamber from top to bottom and fixes branch Frame, the activated carbon cotton are uniformly arranged on second fixing bracket, and multiple second fixing brackets join end to end successively.
- 7. coating cloud exhaust treatment system according to claim 1 or 2, it is characterised in that：The heat-exchange device includes the cold flow pipeline laterally set and the longitudinally disposed hot-fluid pipeline, the hot-fluid More heat-exchange tubes are provided with pipeline, are provided with multiple heat sinks on the outer wall of the heat-exchange tube, the heat-exchange tube from Passed through in the cold flow pipeline.
- 8. coating cloud exhaust treatment system according to claim 7, it is characterised in that：Assisted heating device is provided with the cold flow pipeline, the assisted heating device includes more heating tubes, the heating The outlet side of pipe and the cold flow pipeline abuts.
- 9. coating cloud exhaust treatment system according to claim 1 or 2, it is characterised in that：The catalytic combustion system includes shell and inner casing, and interconnected heating chamber is provided with the inner casing and catalysis is burnt Room, is provided with more heat-generating pipes in the heating chamber, metal catalytic block or ceramic catalytic block is provided with the catalytic combustor, Noble metal catalyst is attached to the surface of the metal catalytic block or ceramic catalytic block.
- 10. coating cloud exhaust treatment system according to claim 9, it is characterised in that：Back-shaped runner, entrance and the catalytic combustion system of the back-shaped runner are formed between the shell and the inner casing Inlet end connects, and the outlet of the back-shaped runner connects with the heating chamber, the outlet side of the catalytic combustion system with it is described Catalytic combustor connects.
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| CN201711454822.7A CN107930293A (en) | 2017-12-28 | 2017-12-28 | A kind of coating cloud exhaust treatment system being continuously desorbed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108479301A (en) * | 2018-04-28 | 2018-09-04 | 南京清元景和环境科技有限公司 | A kind of integral activated carbon treatment box |
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| CN105371286A (en) * | 2015-11-10 | 2016-03-02 | 重庆科蓝环保实业有限公司 | Preheat type catalytic combustion system for purifying volatile organic waste gas |
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- 2017-12-28 CN CN201711454822.7A patent/CN107930293A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371286A (en) * | 2015-11-10 | 2016-03-02 | 重庆科蓝环保实业有限公司 | Preheat type catalytic combustion system for purifying volatile organic waste gas |
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| CN108479301A (en) * | 2018-04-28 | 2018-09-04 | 南京清元景和环境科技有限公司 | A kind of integral activated carbon treatment box |
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