CN106838943A - A kind of VOCs treatment system - Google Patents
A kind of VOCs treatment system Download PDFInfo
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- CN106838943A CN106838943A CN201611181900.6A CN201611181900A CN106838943A CN 106838943 A CN106838943 A CN 106838943A CN 201611181900 A CN201611181900 A CN 201611181900A CN 106838943 A CN106838943 A CN 106838943A
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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
-
- 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
- B01D53/0446—Means for feeding or distributing gases
-
- 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
- B01D53/0454—Controlling adsorption
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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
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
- F23G7/063—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating electric heating
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
-
- 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
- B01D2259/40003—Methods relating to valve switching
-
- 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
-
- 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
- B01D2259/404—Further details for adsorption processes and devices using four beds
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Incineration Of Waste (AREA)
Abstract
The invention discloses a kind of VOCs treatment system, it is related to waste gas purification field, waste gas Adsorption Concentration system includes connected waste gas secondary ash collector, waste gas adsorption filtration room and absorption blower fan successively, first, second, third and the 4th chamber are provided with waste gas adsorption filtration room, waste gas adsorption filtration room is provided with absorption entrance, outlet, concentration entrance and outlet, one end of waste gas secondary ash collector is provided with exhaust gas entrance, the two ends of waste gas secondary ash collector are connected with difference gauge, and the other end of waste gas secondary ash collector is connected on absorption entrance；Desorption catalyzing combustion system includes regeneration blower fan, electric heater, catalytic combustor, gas mixer chamber and just imitates air cleaner, just the two ends of effect air cleaner are connected on gas mixer chamber, absorption outlet is provided with absorption blower motor with the connecting tube of catalytic combustor, absorption blower motor is externally provided with waste gas outlet, and VOC concentration detectors are provided with the waste gas outlet.
Description
Technical field
The present invention relates to waste gas purification field, more particularly to a kind of VOCs treatment system.
Background technology
Rubber industry is one of important foundation industry of national economy.Not only for people, to provide daily life indispensable for it
The light industry rubber product such as daily, medical, and carried to the heavy industry such as digging, traffic, building, machinery, electronics and new industry
For various rubber system production equipments or rubber components.China's rubber industry is much developed, and the existing segmented industry is steadily increasing,
The new raw rubber segmented industry is then developed rapidly.According to the research point of Chinese rubber Industries in 2016 of China's Industry investigation net issue
Analysis reports display with Market Prospect Forecast, and the 1-12 months in 2013, China's rubber industry economical operation is overall steady, premium quality product
Increase very fast.The rubber industry gross output value increases by 3.80% within 2013, and national rubber industry income from sales reaches 928,000,000,000 yuan, sale
Income increase 2.73%.8,300,000 tons of rubber of whole nation consumption in 2013, increases by 13.7% wherein, and 4,200,000 tons of natural rubber increases
21.7%, 4,100,000 tons of rubber polymer increases by 6.49% in the faint rise in international market, the feelings of robber materialses price weak tendency fluctuation
Under condition, rubber industry economical operation held stationary, industry adjusts structure, turns mode, improves development quality and benefit makes progress.
Toxic and harmful can be produced during rubber production, coating manufacture, typography, spraying coating process etc., these are dirty
Dye thing not only can cause very big actual bodily harm to the workman in workshop, and also air can be polluted during discharge.With people's ring
The raising of the enhancing, national industry and atmosphere pollutants emission standardses of consciousness is protected, therefore purified treatment row up to standard is carried out to waste gas
Put had it is mandatory.At present, the mainstream technology treatment effeciency of domestic treatment large-wind-volume low-concentration organic exhaust gas is than relatively low, direct
Burning cost is higher, and it is big that equipment takes up an area volume.Thus, reduce up-front investment, reduction floor space, raising treatment effect and seem
It is particularly important.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of VOCs treatment system, to solve to lead in the prior art
The above-mentioned multinomial defect for causing.
To achieve the above object, the present invention provides following technical scheme：A kind of VOCs treatment system, including absorption
Concentration systems and desorption catalyzing combustion system, the waste gas Adsorption Concentration system include successively connected waste gas secondary ash collector,
Waste gas adsorption filtration room and absorption blower fan, be provided with the waste gas adsorption filtration room first chamber, second chamber, the 3rd chamber with
4th chamber, waste gas adsorption filtration room is provided with absorption entrance, absorption outlet, concentration entrance and concentration and exports, the waste gas two
One end of level deduster is provided with exhaust gas entrance, and the two ends of waste gas secondary ash collector are connected with difference gauge, waste gas secondary ash collector
The other end is connected on absorption entrance；The desorption catalyzing combustion system include regeneration blower fan, electric heater, catalytic combustor,
Gas mixer chamber and just effect air cleaner, the two ends of the just effect air cleaner are connected on gas mixer chamber, the gas
Body mixing chamber is connected with catalytic combustor, and the catalytic combustor is connected with electric heater, the electric heater with regeneration blower fan
Motor is connected, and the concentration outlet is connected with regeneration blower motor, and the concentration entrance is connected with gas mixer chamber, the absorption
Outlet is connected with catalytic combustor, and the absorption outlet is provided with absorption blower motor with the connecting tube of catalytic combustor, adsorbs
Blower motor is externally provided with waste gas outlet, and VOC concentration detectors are provided with the waste gas outlet.
Preferably, the absorption entrance, absorption outlet, concentration entrance, concentration exit are equipped with cylinder locellus valve, wherein
Absorption porch is provided with the first cylinder locellus valve, the second cylinder locellus valve, the 3rd cylinder locellus valve and the 4th cylinder locellus valve, the
One cylinder locellus valve is communicated with the first chamber, and the second cylinder locellus valve is communicated with the second chamber, the 3rd cylinder locellus
Valve is communicated with the 3rd chamber, and the 4th cylinder locellus valve is communicated with the 4th chamber；Absorption exit is provided with the 5th cylinder
Locellus valve, the 6th cylinder locellus, the 7th cylinder locellus and the 8th cylinder locellus valve, the 5th cylinder locellus valve and the first chamber
Communicate, the 6th cylinder locellus is communicated with the second chamber, the 7th cylinder locellus is communicated with the 3rd chamber, the 8th cylinder point
Room valve is communicated with the 4th chamber；Concentration porch is provided with the 9th cylinder locellus valve, the tenth cylinder locellus valve, the 11st cylinder
Locellus valve and the 12nd cylinder locellus valve, the 9th cylinder locellus valve are communicated with the first chamber, the tenth cylinder locellus with it is described
Second chamber is communicated, and the 11st cylinder locellus is communicated with the 3rd chamber, the 12nd cylinder locellus valve and the 4th chamber
Communicate；Concentration outlet the place of being provided be provided with the 13rd cylinder locellus valve, the 14th cylinder locellus valve, the 15th cylinder locellus valve with
16th cylinder locellus valve, the 13rd cylinder locellus valve is communicated with the first chamber, the 14th cylinder locellus and described second
Chamber is communicated, and the 15th cylinder locellus is communicated with the 3rd chamber, and the 16th cylinder locellus valve is communicated with the 4th chamber.
Preferably, the cylinder locellus valve is provided with magnetic switch and is connected.
Preferably, described just effect air cleaner one end is provided with first manual and adjusts with the connecting tube of the gas mixer chamber
Section valve, just imitates the air cleaner other end and is provided with the second manual modulation valve and the first gas with the connecting tube of the gas mixer chamber
Dynamic valve, the first pneumatic operated valve is provided with the first pneumatic operated valve letter in reply device；Connecting tube between gas mixer chamber and the catalytic combustor
The second pneumatic operated valve and the 3rd manual modulation valve being sequentially connected are provided with, the second pneumatic operated valve is provided with the second pneumatic operated valve letter in reply device,
The 4th manual modulation valve is provided between catalytic combustor and the waste gas filter chamber.
Preferably, outer wall is provided with the first temperature detector on the electric heater, and inwall is provided with electric heater
Two temperature detectors, are provided with the 3rd temperature detector, on the catalytic combustor between electric heater and the catalytic combustor
It is provided with the 4th temperature detector to be connected, the 5th temperature detector is provided between the waste gas filter chamber and the gas mixer chamber.
Preferably, the bottom of the waste gas filter chamber is provided with ash-valve.
Beneficial effect using above technical scheme is：The system is by controlling the opening and closing of different chamber, it is possible to achieve inhale
Attached concentration systems and desorption catalyzing combustion system are continuously run, it is not necessary to which increasing equipment in parallel carries out off-line desorption；Running
Middle air current flow is open, so in the absence of the danger of blast；Catalyst is added in combustion, reduces reaction required
Activation energy, so as to reduce organic substance burning required temperature, reduce energy ezpenditure；Catalytic combustor catalysis burning can
So that waste gas carries out non-flaming combustion at a lower temperature, do not influence to reduce ignition temperature while efficiency of combustion, so that very well
Avoid thermal losses；The high-temperature gas for producing that burns simultaneously takes a part carries out hybrid cooling with air, obtains parsing institute
Need gas, it is to avoid heat losses；The equipment is specific to VOCs exhaust-gas treatments, can detect VOC concentration in waste gas outlet,
The validity of exhaust-gas treatment is ensure that, can be used in combination with other inorganic waste gases processing units.
Brief description of the drawings
Fig. 1 is structured flowchart of the invention.
Wherein, 1- exhaust gas entrances, 2- waste gas secondary ash collectors, 3- waste gas adsorption filtrations room, 4- absorption entrances, 5- is absorbed
Mouthful, 6- concentration entrances, 7- concentration outlets, 8- imitates sky at the beginning of adsorbing blower motor, 9- gas mixer chambers, 10- catalytic combustors, 11-
Air filter, 12- electric heaters, 13- regeneration blower motors, 14- cylinder locellus valves, 15- magnetic switch, 16- ash-valves, 17-
First pneumatic operated valve, 18- the first pneumatic operated valve letter in reply devices, 19- first manual regulating valves, the manual modulation valves of 20- second, the hands of 21- the 3rd
Dynamic regulating valve, the manual modulation valves of 22- the 4th, the temperature detectors of 23- first, 24- second temperature detectors, the inspection of the temperature of 25- the 3rd
Survey device, the temperature detectors of 26- the 4th, the temperature detectors of 27- the 5th, 28- waste gas outlets, 29- difference gauges, the pneumatic operated valves of 30- second,
31- the second pneumatic operated valve letter in reply devices, 32-VOC concentration detectors.
Specific embodiment
VOCs treatment system of the present invention is illustrated with reference to specific embodiment.
Fig. 1 shows the specific embodiment of VOCs treatment system of the present invention：A kind of VOCs treatment equipment, including
Adsorption Concentration system and desorption catalyzing combustion system, the waste gas Adsorption Concentration system include connected waste gas two-stage dust removal successively
Device 2, waste gas adsorption filtration room 3 and absorption blower fan, first chamber, second chamber, the 3rd chamber are provided with waste gas adsorption filtration room 3
With the 4th chamber, waste gas adsorption filtration room 3 is provided with absorption entrance 4, absorption outlet 5, concentration entrance 6 and concentration outlet 7, waste gas
One end of secondary ash collector 2 is provided with exhaust gas entrance 1, and the two ends of waste gas secondary ash collector 2 are connected with difference gauge 29, and two grades of waste gas is removed
The other end of dirt device 2 is connected on absorption entrance 4, and the desorption catalyzing combustion system includes regeneration blower fan, electric heater 12, urges
Change combustion chamber 10, gas mixer chamber 9 and just imitate air cleaner 11, the two ends for just imitating air cleaner 11 are connected to gas mixing
On room 9, gas mixer chamber 9 is connected with catalytic combustor 10, and catalytic combustor 10 is connected with electric heater 12, electric heater 12 with
Regeneration blower motor 13 is connected, and concentration outlet 7 is connected with regeneration blower motor 13, and concentration entrance 6 is connected with gas mixer chamber 9,
Absorption outlet 5 is connected with catalytic combustor 10, and absorption outlet 5 is provided with absorption blower motor with the connecting tube of catalytic combustor 10
8, absorption blower motor 8 is externally provided with waste gas outlet 28, and VOC concentration detectors 32 are provided with the waste gas outlet 28.
In the present embodiment, it is described absorption entrance 4, absorption outlet 5, concentration entrance 6, concentration outlet 7 at be equipped with cylinder
Locellus valve 14, wherein being provided with the first cylinder locellus valve 14, the second cylinder locellus valve 14, the 3rd cylinder locellus valve at absorption entrance 4
14 and the 4th cylinder locellus valve 14, the first cylinder locellus valve 14 is communicated with the first chamber, the second cylinder locellus valve 14 and institute
State second chamber to communicate, the 3rd cylinder locellus valve 14 is communicated with the 3rd chamber, the 4th cylinder locellus valve 14 and the described 4th
Chamber is communicated；The 5th cylinder locellus valve 14, the 6th cylinder locellus, the 7th cylinder locellus and the 8th cylinder are provided with absorption outlet 5
Locellus valve 14, the 5th cylinder locellus valve 14 is communicated with the first chamber, and the 6th cylinder locellus is communicated with the second chamber, the
Seven cylinder locellus are communicated with the 3rd chamber, and the 8th cylinder locellus valve 14 is communicated with the 4th chamber；Set at concentration entrance 6
There are the 9th cylinder locellus valve 14, the tenth cylinder locellus valve 14, the 11st cylinder locellus valve 14 and the 12nd cylinder locellus valve 14, the
Nine cylinder locellus valves 14 are communicated with the first chamber, and the tenth cylinder locellus is communicated with the second chamber, the 11st cylinder point
Room is communicated with the 3rd chamber, and the 12nd cylinder locellus valve 14 is communicated with the 4th chamber；7 places of being provided with of concentration outlet set
There are the 13rd cylinder locellus valve 14, the 14th cylinder locellus valve 14, the 15th cylinder locellus valve 14 and the 16th cylinder locellus valve
14, the 13rd cylinder locellus valve 14 is communicated with the first chamber, and the 14th cylinder locellus is communicated with the second chamber, and the tenth
Five cylinder locellus are communicated with the 3rd chamber, and the 16th cylinder locellus valve 14 is communicated with the 4th chamber.The cylinder point
Room valve 14 is provided with magnetic switch 15 and is connected.
In the present embodiment, described just effect one end of air cleaner 11 is provided with the connecting tube of the gas mixer chamber 9
First manual regulating valve 19, just imitates the other end of air cleaner 11 and is provided with second-hand with the connecting tube of the gas mixer chamber 9
The dynamic pneumatic operated valve 17 of regulating valve 20 and first, the first pneumatic operated valve 17 is provided with the first pneumatic operated valve letter in reply device 18；Gas mixer chamber 9 and institute
State and the second pneumatic operated valve 30 and the 3rd manual modulation valve 21, the second pneumatic operated valve are sequentially provided with the connecting tube between catalytic combustor 10
30 are provided with the second pneumatic operated valve letter in reply device 31, and the 4th regulation manually is provided between catalytic combustor 10 and the waste gas filter chamber 3
Valve 22.
In the present embodiment, outer wall is provided with the first temperature detector 23 on the electric heater 12, on electric heater 12
Inwall is provided with second temperature detector 24, and the 3rd temperature detector is provided between electric heater 12 and the catalytic combustor 10
25, the catalytic combustor 10 is provided with the 4th temperature detector 26 and is connected, the waste gas filter chamber 3 and the gas mixer chamber
The 5th temperature detector 27 is provided between 9.
In the present embodiment, the bottom of the waste gas adsorption filtration room 3 is provided with ash-valve 16.
After waste gas first passes around firsts and seconds dedusting, four sub-chamber that entrance 4 is adsorbed in waste gas adsorption filtration room 3 are opened
Cylinder locellus valve 14 and waste gas absorption outlet 5 cylinder locellus valves 14.The cylinder locellus valve 14 of concentration entrance 6 and concentration 7 gas of outlet
Cylinder locellus valve 14 is closed, and soot cleaning valve is in normally off.Absorption blower motor 8 is started working, and adsorbs work about 40 hours afterwards,
Sorbing material adsorption saturation, equipment enters concentration catalytic stages.
When the sorbing material in first chamber reaches adsorption saturation capacity, waste gas is adsorbed into the cylinder locellus of entrance 4 first
Valve 14 and waste gas absorption 5 the 5th cylinder locellus valves 14 of outlet are closed, and the waste gas concentration cylinder locellus valve 14 of entrance 6 the 9th and waste gas are dense
Contracting 7 the 13rd cylinder locellus valves 14 of outlet are opened, the manual modulation valve 22 of catalytic combustor 10 the 4th and first manual regulating valve 19,
Second manual modulation valve 20, the second pneumatic operated valve 30, the 3rd manual modulation valve 21 are opened, and regeneration blower motor 13 opens work, together
When electric heater 12 start working, regeneration gas pass through from waste gas concentration entrance 6 enter, after being parsed to sorbing material, produce
Raw high-concentration waste gas are discharged from waste gas concentration outlet 7, heated to burn and discharge into catalytic combustor 10 afterwards.First temperature
Degree detector 23, second temperature detector 24, the 3rd temperature detector 25 enter trip temperature and supervise in real time with the 4th temperature detector 26
Survey, during beyond temperature range, control system carries out switching manipulation to electric heater 12, each several part temperature is maintained normal temperature
Operated within range, the 5th temperature detector 27 detects the temperature of regeneration gas, when temperature range of the temperature beyond setting, control
The system control switch of the first pneumatic operated valve 17 is adjusted.After first chamber parsing 1 hour of desorption, the waste gas of second chamber is inhaled
It is enclosed in the cylinder locellus valve 14 of mouth 4 second and waste gas absorption 5 the 6th cylinder locellus valves 14 of outlet is closed, waste gas concentration entrance 6 the tenth
Cylinder locellus valve 14 and waste gas concentration 7 the 14th cylinder locellus valves 14 of outlet are opened, while the waste gas absorption entrance 4 of first chamber
First cylinder locellus valve 14 and waste gas absorption 5 the 5th cylinder locellus valves 14 of outlet are opened, the waste gas concentration cylinder locellus of entrance 6 the 9th
Valve 14 and waste gas concentration 7 the 13rd cylinder locellus valves 14 of outlet are closed, and first chamber carries out waste gas absorption phase again.Afterwards according to
Secondary is second chamber, the 3rd chamber, the 4th chamber is same as above carries out desorption work.Completed when the 4th chamber is desorbed, electrical heating
Device 12 is closed, and regeneration blower motor 13 works on 10 minutes and lowered the temperature, and is then shut off, and finally, the waste gas of the 4th chamber is inhaled
It is enclosed in the cylinder locellus valve 14 of mouth 4 the 4th and waste gas absorption 5 the 8th cylinder locellus valves 14 of outlet is opened, waste gas concentration entrance 6 the tenth
Two cylinder locellus valves 14 and waste gas concentration 7 the 16th cylinder locellus valves 14 of outlet are closed, and so far, concentration catalysis combustion phases is complete
Into, all-in-one is again introduced into waste gas absorption phase, circulates work, and operating personnel can depending on circumstances be discharged by waste gas outlet 28,
VOC concentration detectors 32 detect the concentration in exit simultaneously.
Dedusting pretreatment is to carry out two-stage dust removal treatment to VOCs waste gas by the way of sock filtration, and it is dense to play protection
The effect of contracting filter core, waste gas secondary ash collector 2 is provided with difference gauge 29 i.e. pressure transmitter, with the practicality of deduster, resistance by
It is cumulative big, when resistance exceedes given threshold, alarm is pointed out, change deduster filter plate；Become hour when dust remover resistance moment, carry
Show alarm, it is necessary to repair and maintenance；Specific given threshold scene determines.
The treatment of waste gas Adsorption Concentration：The desorption locellus valve of all locellus in waste gas adsorption filtration room 3 is closed, absorption locellus valve is beaten
Open, absorption blower motor 8 starts driving absorption blower fan work, proceeds by the treatment of waste gas Adsorption Concentration, the cleaning after treatment
Gas passes through airduct high altitude discharge；Waste gas Adsorption Concentration for a period of time after, when the VOC concentration of waste gas outlet 28 is increased to setting
Threshold value when, the desorption locellus valve of the locellus of equipment first is opened, absorption locellus valve is closed, that is, enter waste gas desorption catalyzing burning rank
Section, other locellus proceed the treatment of waste gas Adsorption Concentration；First locellus is carried out after desorption catalyzing burning treatment 2h, is cut automatically
The second locellus ... is shifted to, all locellus is carried out successively after waste gas desorption catalyzing burning treatment, all locellus are reentered
Waste gas Adsorption Concentration processing stage；
The burning of waste gas desorption catalyzing is processed：The cylinder locellus valve 14 of the desorption of the first locellus is opened, the cylinder locellus of absorption
Valve 14 is closed；Electric heater 12 starts, and when electric heater temperature rises to 400 DEG C (adjustable), the second pneumatic operated valve 30 keeps closing
Close (original state is to close), the first pneumatic operated valve 17 opens (original state is to open), desorption blower fan 200m3/ h starts (air quantity
It is adjustable), when catalytic combustor temperature rises to 350 DEG C, the second pneumatic operated valve 30 is opened, and the first pneumatic operated valve 17 is closed, gas mixing
When room temperature rises to 125 DEG C, start timing, when temperature continues to rise to 135 DEG C, the first pneumatic operated valve 17 is opened, temperature drop
During to 125 DEG C, the first pneumatic operated valve is closed；After continuing 2h, the burning treatment of the first locellus waste gas desorption catalyzing is completed；Second locellus enters
Enter waste gas desorption catalyzing burning treatment, the cylinder locellus valve 14 of corresponding desorption is opened, and the cylinder locellus valve 14 of absorption is closed, together
When, the cylinder locellus valve 14 of the desorption of the first locellus is closed, and the cylinder locellus valve 14 of absorption is opened；Second locellus waste gas desorption is urged
After changing burning treatment 2h, the burning treatment of the second locellus waste gas desorption catalyzing is completed；3rd locellus burns into waste gas desorption catalyzing
Treatment, the corresponding on off state of cylinder locellus valve 14 is with described in the second locellus；Successively until last locellus has carried out 2h's
The burning of waste gas desorption catalyzing is processed, and now, first closes electric heater 12, and the second pneumatic operated valve 30 is closed, and the first pneumatic operated valve 17 is opened,
The regeneration blower motor 13 for playing desorption drives regeneration blower fan startup to open to 400m3/ h air quantity (blower fan maximum quantity of wind) continues to transport
Closed after row 0.5h, now, the cylinder locellus valve 14 of the desorption of last locellus is closed, 14 dozens, the cylinder locellus valve of absorption
Open, so far, all locellus complete waste gas desorption catalyzing burning treatment.
Adsorption Concentration filter core or catalyst failure are detected：In equipment course of normal operation, if after all locellus desorption
Into absorption phase, the VOC concentration of waste gas outlet 28 still above setting value, then be probably waste gas Adsorption Concentration filter core damage when
Effect, system alarm maintenance；If there is in waste gas desorption catalyzing combustion process, the VOC concentration of waste gas outlet exceedes setting value, then
It is probably that catalyst failure is damaged, system alarm maintenance；In addition, both the above situation is also likely to be the event of VOC concentration detectors 32
Barrier, needs also exist for system alarm maintenance.
It should be noted that：1. when the pre-heating temperature elevation of electric heater 12 is to 400 DEG C, blower fan 200m is regenerated3/ h starts, catalysis combustion
Burn the temperature of room 10 and rise to 450 DEG C, desorption blower fan automatically switches to 400m3/ h, the temperature of catalytic combustor 10 is down to 380 DEG C, takes off
Attached blower fan automatically switches to 200m3/ h, then rise to 450 DEG C, desorption blower fan automatically switches to 400m3/ h, successively loop control；
If 2. there is the power 50Kw of electric heater 12, desorption blower fan 400m3During/h, the temperature of catalytic combustor 10 is still increased beyond 480
DEG C, then the power of electric heater 10 is reduced from 50Kw to 30Kw；When temperature is increased over 500 DEG C again, electric heater 12 is direct
Close.When the temperature of catalytic combustor 10 is down to 400 DEG C, then the power 50Kw for restarting electric heater 12；If 3. there is electricity to add
The power 50Kw of hot device 12, desorption blower fan 200m3During/h, when the temperature of electric heater 12 is less than 350 DEG C, system failure automatic alarm,
Whether investigation electric heater 12 or desorption blower fan (regeneration blower fan) damage.2. connect with the second pneumatic operated valve 30 and the first pneumatic operated valve 17
The hand-operated valve switching value for connecing is adjusted according to field condition, it is ensured that gas mixer chamber temperature control is between 125-135 DEG C；3.
Described in control explanation：The numerical value such as differential pressure gauge Resistance Value, concentration value, temperature value, recovery time or air quantity, are required for being set to：
Programming is adjustable, and field adjustable confirms occurrence again.
Folding and time control of the present invention by multiple chambers so that absorption and desorption combustion phases can continuously work
Operation.The waste gas of low concentration Wind Volume carries out non-flaming combustion by concentration in the presence of catalyst after desorption, while itself
The temperature for producing of burning can meet ignition temperature, without external heat again, fully generate two coals and water after burning.
Based on above-mentioned, VOCs treatment system of the present invention, the system is by controlling the opening and closing of different chamber, it is possible to achieve
Adsorption Concentration system and desorption catalyzing combustion system are continuously run, it is not necessary to which increasing equipment in parallel carries out off-line desorption；Ran
Air current flow is open in journey, so in the absence of the danger of blast；Catalyst is added in combustion, reduces reaction institute
The activation energy for needing, so as to reduce the required temperature of organic substance burning, reduces energy ezpenditure；Catalytic combustor catalysis burning
Waste gas can be made carries out non-flaming combustion at a lower temperature, does not influence to reduce ignition temperature while efficiency of combustion, so that very
Avoid thermal losses well；The high-temperature gas for producing that burns simultaneously takes a part carries out hybrid cooling with air, is parsed
Required gas, it is to avoid heat losses；The equipment is specific to VOCs exhaust-gas treatments, can be dense in waste gas outlet detection VOC
Degree, it is ensured that the validity of exhaust-gas treatment, can be used in combination with other inorganic waste gases processing units.
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (6)
1. a kind of VOCs treatment system, including Adsorption Concentration system and desorption catalyzing combustion system, it is characterised in that：It is described
Waste gas Adsorption Concentration system includes connected waste gas secondary ash collector, waste gas adsorption filtration room and absorption blower fan successively, described useless
First chamber, second chamber, the 3rd chamber and the 4th chamber are provided with the attached filter chamber of aspiration, waste gas adsorption filtration room is provided with suction
It is enclosed in mouth, absorption outlet, concentration entrance and concentrates and export, one end of the waste gas secondary ash collector is provided with exhaust gas entrance, waste gas
The two ends of secondary ash collector are connected with difference gauge, and the other end of waste gas secondary ash collector is connected on absorption entrance；The desorption
Catalytic combustion system includes regeneration blower fan, electric heater, catalytic combustor, gas mixer chamber and just imitates air cleaner, described
Just the two ends of effect air cleaner are connected on gas mixer chamber, and the gas mixer chamber is connected with catalytic combustor, described to urge
Change combustion chamber to be connected with electric heater, the electric heater is connected with regeneration blower motor, the concentration is exported and regeneration blower fan
Motor is connected, and the concentration entrance is connected with gas mixer chamber, and the absorption outlet is connected with catalytic combustor, described to absorb
Mouth is provided with absorption blower motor with the connecting tube of catalytic combustor, and absorption blower motor is externally provided with waste gas outlet, the waste gas
Exit is provided with VOC concentration detectors.
2. a kind of VOCs treatment system according to claim 1, it is characterised in that the absorption entrance, absorb
Mouth, concentration entrance, concentration exit are equipped with cylinder locellus valve, wherein absorption porch is provided with the first cylinder locellus valve, second
Cylinder locellus valve, the 3rd cylinder locellus valve and the 4th cylinder locellus valve, the first cylinder locellus valve are communicated with the first chamber, the
Two cylinder locellus valves are communicated with the second chamber, and the 3rd cylinder locellus valve is communicated with the 3rd chamber, the 4th cylinder locellus
Valve is communicated with the 4th chamber；Absorption exit be provided with the 5th cylinder locellus valve, the 6th cylinder locellus, the 7th cylinder locellus with
8th cylinder locellus valve, the 5th cylinder locellus valve is communicated with the first chamber, the 6th cylinder locellus and the second chamber phase
Logical, the 7th cylinder locellus is communicated with the 3rd chamber, and the 8th cylinder locellus valve is communicated with the 4th chamber；Concentration porch
It is provided with the 9th cylinder locellus valve, the tenth cylinder locellus valve, the 11st cylinder locellus valve and the 12nd cylinder locellus valve, the 9th cylinder
Locellus valve is communicated with the first chamber, and the tenth cylinder locellus is communicated with the second chamber, the 11st cylinder locellus with it is described
3rd chamber is communicated, and the 12nd cylinder locellus valve is communicated with the 4th chamber；The concentration outlet place of being provided with is provided with the 13rd gas
Cylinder locellus valve, the 14th cylinder locellus valve, the 15th cylinder locellus valve and the 16th cylinder locellus valve, the 13rd cylinder locellus valve
Communicated with the first chamber, the 14th cylinder locellus is communicated with the second chamber, the 15th cylinder locellus and the described 3rd
Chamber is communicated, and the 16th cylinder locellus valve is communicated with the 4th chamber.
3. a kind of VOCs treatment system according to claim 2, it is characterised in that the cylinder locellus valve is provided with
Magnetic switch is connected.
4. a kind of VOCs treatment system according to claim 1, it is characterised in that the just effect air cleaner one
End is provided with first manual regulating valve with the connecting tube of the gas mixer chamber, just imitates the air cleaner other end and the gas
The connecting tube of mixing chamber is provided with the second manual modulation valve and the first pneumatic operated valve, and the first pneumatic operated valve is provided with the first pneumatic operated valve letter in reply
Device；Connecting tube between gas mixer chamber and the catalytic combustor is provided with the second pneumatic operated valve for being sequentially connected and the 3rd manual
Regulating valve, the second pneumatic operated valve is provided with the second pneumatic operated valve letter in reply device, and is provided between catalytic combustor and the waste gas filter chamber
Four manual modulation valves.
5. a kind of VOCs treatment system according to claim 1, it is characterised in that on the electric heater on outer wall
The first temperature detector is provided with, inwall is provided with second temperature detector, electric heater and the catalysis burning on electric heater
The 3rd temperature detector is provided between room, the catalytic combustor is provided with the 4th temperature detector and is connected, the waste gas filtering
The 5th temperature detector is provided between room and the gas mixer chamber.
6. a kind of VOCs treatment system according to claim 1, it is characterised in that the bottom of the waste gas filter chamber
It is provided with ash-valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611181900.6A CN106838943A (en) | 2016-12-20 | 2016-12-20 | A kind of VOCs treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611181900.6A CN106838943A (en) | 2016-12-20 | 2016-12-20 | A kind of VOCs treatment system |
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| CN106838943A true CN106838943A (en) | 2017-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611181900.6A Withdrawn CN106838943A (en) | 2016-12-20 | 2016-12-20 | A kind of VOCs treatment system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108905409A (en) * | 2018-07-18 | 2018-11-30 | 濉溪县杰森环保科技有限公司 | A kind of plastic-spraying or the monitoring of paint oven exhaust gas and governing system |
| CN109865394A (en) * | 2017-12-01 | 2019-06-11 | 中外炉工业株式会社 | Exhaust treatment system |
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| JP4499375B2 (en) * | 2002-05-31 | 2010-07-07 | エア・ウォーター株式会社 | Exhaust gas treatment method and apparatus for gas sterilizer |
| CN202909606U (en) * | 2012-11-12 | 2013-05-01 | 天津市联合环保工程设计有限公司 | Multifunctional integrated treatment device of organic waste gas |
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| CN105771640A (en) * | 2016-05-14 | 2016-07-20 | 芜湖万向新元环保科技有限公司 | Treatment equipment for organic waste gases |
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| JP4499375B2 (en) * | 2002-05-31 | 2010-07-07 | エア・ウォーター株式会社 | Exhaust gas treatment method and apparatus for gas sterilizer |
| CN202909606U (en) * | 2012-11-12 | 2013-05-01 | 天津市联合环保工程设计有限公司 | Multifunctional integrated treatment device of organic waste gas |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109865394A (en) * | 2017-12-01 | 2019-06-11 | 中外炉工业株式会社 | Exhaust treatment system |
| CN108905409A (en) * | 2018-07-18 | 2018-11-30 | 濉溪县杰森环保科技有限公司 | A kind of plastic-spraying or the monitoring of paint oven exhaust gas and governing system |
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