CN107036107A - Organic waste gas treatment device and organic waste gas treatment method - Google Patents
Organic waste gas treatment device and organic waste gas treatment method Download PDFInfo
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- CN107036107A CN107036107A CN201610080191.6A CN201610080191A CN107036107A CN 107036107 A CN107036107 A CN 107036107A CN 201610080191 A CN201610080191 A CN 201610080191A CN 107036107 A CN107036107 A CN 107036107A
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- waste gas
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- gas treatment
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/40—Acidic components
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- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/81—Solid phase processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
-
- 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
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/20—Halogens or halogen compounds
- B01D2257/206—Organic halogen compounds
- B01D2257/2064—Chlorine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/60—Heavy metals or heavy metal compounds
Abstract
The invention provides a kind of organic waste gas treatment device and organic waste gas treatment method, organic waste gas treatment device includes：Combustion chamber, for combustion decomposition containing the organic pollution in contaminant gases, obtains exhaust gases after combustion；Air preheater, is heated using exhaust gases after combustion to air, obtains waste gas after hot-air and the first cooling, and hot-air is passed through in combustion chamber with to carrying out combustion decomposition containing contaminant gases as combustion-supporting gas；Chilling tower, for being cooled down to waste gas after the first cooling, obtains waste gas after the second cooling；Dedusting decontamination apparatus, for removing particulate matter and gaseous contaminant after the second cooling in waste gas.Because hot-air is passed through in combustion chamber to promote combustion decomposition containing contaminant gases, so as to improve the efficiency of combustion and heat utilization ratio of waste gas；The particulate matter and gaseous contaminant after the second cooling in waste gas are removed using chilling tower and dedusting decontamination apparatus so that waste gas qualified discharge, improve pollutants removal rate.
Description
Technical field
The present invention relates to organic soil recovery technique field, and in particular to a kind of organic waste gas treatment device
And organic waste gas treatment method.
Background technology
With the quickening of Chinese Urbanization and process of industrialization, industry restructuring dynamics is continued to increase,
Some are located at the industrial enterprise in city or close down or move, and substantial amounts of contaminated site is retained in city,
Serious environmental risk is brought, while also constraining the construction and development in city.In numerous retired industry
Again in the majority with organic contamination place in contaminated site, the main species of organic pollution include：Petroleum hydrocarbon
Pollutant, halogenated hydrocarbon pollutant, agricultural chemicals pollutant, polycyclic aromatic hydrocarbon, Polychlorinated biphenyls, two Evil
The organic pollutions such as English, phthalic acid ester.
At present, organic polluted soil is generally handled using thermal desorption technology.So-called thermal desorption technology is
Refer to by way of heating, the pollutant in contaminated soil is separated in the form of a vapor, and it is right
The pollutant (i.e. organic exhaust gas) of gaseous form is handled, so as to reach the purpose of soil remediation.
Thermal desorption technology is a kind of soil restoring technology of mature and reliable, can effectively be handled containing volatility, half
The contaminated soil of volatility and persistent organism, has been widely applied abroad.
Meanwhile, need to handle the organic exhaust gas produced during thermal desorption in the prior art,
To remove the pollutant in organic exhaust gas.For example, Chinese patent CN204187638U discloses one kind
Vehicle-mounted removable harmful waste integrated processing system, the system includes a combustion room, two combustions being sequentially connected
Room, chilling tower, sack cleaner, wet method extracting tower, air-introduced machine and exhaust chimney, in described one combustion
Burner is respectively equipped with room and dual firing chamber, the first double helix mist is provided with the top of the chilling tower
Change and activated carbon injection apparatus is provided with nozzle, the pipeline between chilling tower and sack cleaner, described
Second and the 3rd double helix atomizer, described first, second, and third are provided with wet method extracting tower
Double helix atomizer is connected by pipeline with storing the fluid reservoir of the body containing alkali lye, and the system is also wrapped
Include sludge pump, waste drains pump, diesel oil transfer pump and the air blower connected with described one combustion room and dual firing chamber.
However, in above-mentioned organic waste gas treatment system, due to a combustion room and dual firing chamber efficiency of combustion compared with
It is low so that pollutants removal rate is low in organic exhaust gas, as limitation thermal desorption technology development it is main because
Element.Therefore, how a kind of high organic waste gas treatment device of pollutants removal rate and processing method are provided,
As technical barrier urgently to be resolved hurrily at present.
The content of the invention
Therefore, the technical problem to be solved in the present invention is to overcome prior art to handle organic exhaust gas process
Present in the low defect of pollutants removal rate.
Therefore, the invention provides a kind of organic waste gas treatment device, including：Combustion chamber, for firing
Burn and decompose containing the organic pollution in contaminant gases, obtain exhaust gases after combustion；Air preheater, profit
Air is heated with the exhaust gases after combustion, waste gas after hot-air and the first cooling is obtained, it is described
Hot-air is passed through in the combustion chamber to carry out burning point containing contaminant gases to described as combustion-supporting gas
Solution；Chilling tower, for being cooled down to waste gas after the described first cooling, obtains waste gas after the second cooling；
Dedusting decontamination apparatus, for removing particulate matter and gaseous contaminant after second cooling in waste gas.
Preferably, Dry absorption device, cloth bag that the dedusting decontamination apparatus includes being sequentially communicated are removed
Activated carbon and/or calcium hydroxide, institute are housed in dirt device and absorbent charcoal adsorber, the Dry absorption device
Stating absorbent charcoal adsorber includes multilayer absorbing unit, and every layer of absorbing unit is filled with activated carbon；It is described
Dry absorption device is connected with chilling tower.
Preferably, the combustion chamber includes the combustion chamber epimere and combustion chamber hypomere being detachably connected,
The chilling tower includes the chilling tower epimere and chilling tower hypomere being detachably connected, and the air preheat
Device is arranged at the top of the combustion chamber and the chilling tower；The Dry absorption device includes detachable
The Dry absorption device epimere and Dry absorption device hypomere of connection, the sack cleaner are arranged at institute
The top of absorbent charcoal adsorber is stated, and the Dry absorption device epimere connects with the sack cleaner
Logical, the Dry absorption device hypomere is connected with the chilling tower hypomere.
Preferably, the organic waste gas treatment device also includes upper frame and lower frame, it is described
Combustion chamber epimere, the chilling tower epimere, the air preheater, the Dry absorption device epimere
It is fixedly installed in the upper frame with the sack cleaner, it is the combustion chamber hypomere, described
Chilling tower hypomere, the Dry absorption device hypomere and the absorbent charcoal adsorber are fixedly installed on
In the lower frame.
Preferably, the organic waste gas treatment device also includes the whirlwind point with the combustion chamber
From device, including the cyclone separator epimere and cyclone separator hypomere being detachably connected, the whirlwind point
It is fixedly installed on from device epimere in the upper frame, the cyclone separator hypomere is fixedly installed on institute
State in lower frame.
Preferably, the organic waste gas treatment device is also included with the absorbent charcoal adsorber successively
The air-introduced machine and chimney of connection, the air-introduced machine are fixedly installed in the lower frame, the chimney
Including the chimney epimere being detachably connected, chimney stage casing and chimney hypomere, the chimney epimere is arranged at
Above the upper frame, the chimney stage casing is arranged in the upper frame, the chimney hypomere
It is arranged in the upper frame.
Preferably, the air preheater includes connecting the combustion chamber and the internal layer of the chilling tower
Passage and bottom to the combustion chamber introduce the outer layer channel of air, and the outer layer channel is set in institute
State outside inner-layer channel, the inner-layer channel is used to introduce the exhaust gases after combustion from the combustion chamber
The air flowed through in the outer layer channel is carried out to the chilling tower, and using the exhaust gases after combustion
Heating.
Preferably, the chilling tower is provided with nozzle, including inner tube, it is sheathed in said inner tube
Be passed through in outer tube and nozzle head, said inner tube in alkali lye, the outer tube and be passed through air, the alkali lye with
The mixture of the air sprays from the nozzle head obtains alkali lye after the atomization.
Present invention also offers a kind of organic waste gas treatment method, comprise the following steps：Step S1, combustion
The organic pollution in waste gas decomposition is burnt, exhaust gases after combustion is obtained；Step S2, using the burning after
Waste gas is heated to air, obtains waste gas after hot-air and the first cooling, and the hot-air is back to
With to waste gas progress combustion decomposition in the step S1；Step S3, to described first cool after give up
Gas is cooled down, and obtains waste gas after the second cooling；After step S4, removal second cooling in waste gas
Particulate matter and gaseous contaminant.
Preferably, the step S4 includes：Waste gas carries out absorbing anti-after cooling successively to described second
It should handle, dust removal process and charcoal absorption are handled, the absorbing reaction is processed as utilizing activated carbon powder
And/or slaked lime powder is handled waste gas after the described second cooling.
Preferably, in the step S1, ignition temperature is 1100-1200 DEG C, and burning time is 2-5
Second；In the step S2, the temperature of waste gas is 800-900 DEG C after first cooling.
Preferably, the step S3 includes：Connect using fogged lye with waste gas after the described first cooling
Touch and cooled down with waste gas after cooling to described first, it is 150-250 DEG C of second drop to obtain temperature
Waste gas after temperature.
Preferably, the organic waste gas treatment method also includes：To waste gas before the step S1
Cyclonic separation is carried out, dust of the particle diameter more than 5 μm in the waste gas is removed.
Technical solution of the present invention, has the following advantages that：
1st, the organic waste gas treatment device that the present invention is provided, including combustion chamber, air preheater, chilling
Tower and dedusting decontamination apparatus, and obtained using combustion chambers burn decomposition containing the organic matter in contaminant gases
Exhaust gases after combustion, and exhaust gases after combustion to air heat using air preheater obtain hot sky
Waste gas after gas and the first cooling, and the hot-air is passed through in the combustion chamber to promote gas containing pollutant
Body combustion decomposition, so as to improve the efficiency of combustion and heat utilization ratio of waste gas；Meanwhile, utilize chilling
Waste gas cool down obtaining waste gas after the second cooling after tower cools to described first, and utilizes dedusting decontamination
Device removes the particulate matter and gaseous contaminant in waste gas after second cooling so that waste gas row up to standard
Put, do not produce secondary pollution, so that the pollutant thoroughly gone in removing exhaust gas, improves pollutant removal
Rate.
2nd, the organic waste gas treatment device that the present invention is provided, the dedusting decontamination apparatus includes being sequentially communicated
Dry absorption device, sack cleaner and absorbent charcoal adsorber, fill in the Dry absorption device
Active charcoal and/or calcium hydroxide, the absorbent charcoal adsorber include multilayer absorbing unit, every layer of absorption
Unit is filled with activated carbon, and using charcoal absorption bioxin and heavy metal etc., is removed using calcium hydroxide
Remove acidic components；Moreover, Dry absorption device, sack cleaner and activity in the dedusting decontamination apparatus
Charcoal adsorbent equipment is set gradually so that the pollutant in waste gas is handled by three absorptions, so as to enter one
Step improves pollutants removal rate.
3rd, the organic waste gas treatment device that the present invention is provided, combustion chamber includes the combustion chamber being detachably connected
Epimere and combustion chamber hypomere, the chilling tower are included under the chilling tower epimere and chilling tower that are detachably connected
Section, and the air preheater is arranged at the top of the combustion chamber and the chilling tower；The dry type
Absorption plant includes the Dry absorption device epimere and Dry absorption device hypomere being detachably connected, described
Sack cleaner is arranged at the top of the absorbent charcoal adsorber, and the Dry absorption device epimere
Connected with the sack cleaner, the Dry absorption device hypomere is connected with the chilling tower hypomere.
Therefore, the features such as organic waste gas treatment device has Fast Installation debugging, movement is flexible, it is special
Not Shi Yongyu emergent accident place quick contaminated soil processing.
4th, the organic waste gas treatment device that the present invention is provided, in addition to upper frame and lower frame, institute
State combustion chamber epimere, the chilling tower epimere, the air preheater, on the Dry absorption device
Section and the sack cleaner are fixedly installed in the upper frame, the combustion chamber hypomere, institute
Chilling tower hypomere, the Dry absorption device hypomere and the absorbent charcoal adsorber is stated to be fixedly installed
In in the lower frame.Therefore, the organic waste gas treatment device does not need infrastructure, can modularization
Install, make its installation process quick and convenient.
Brief description of the drawings
In order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art, under
Face will be briefly described to the required accompanying drawing used in embodiment or description of the prior art,
It should be evident that drawings in the following description are some embodiments of the present invention, it is general for this area
For logical technical staff, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
The structural representation for the organic waste gas treatment device that Fig. 1 provides for embodiments of the present invention.
1- cyclone separators；2- combustion chambers；3- air preheaters；31- inner-layer channels；32- outer layers lead to
Road；4- chilling towers；5- Dry absorption devices；6- sack cleaners；8- absorbent charcoal adsorbers；9-
Chimney；10- detachable apparatus；11- upper frames；12- lower frames.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that
Described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, those of ordinary skill in the art are obtained under the premise of creative work is not made
Every other embodiment, belong to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", " left side ",
The orientation or position relationship of the instruction such as " right side ", " vertical ", " level ", " interior ", " outer " are based on attached
Orientation or position relationship shown in figure, are for only for ease of the description present invention and simplify description, rather than
Indicate or imply signified device or element and must have specific orientation, with specific azimuth configuration and
Operation, therefore be not considered as limiting the invention.In addition, term " first ", " second ", "
Three " are only used for describing purpose, and it is not intended that indicating or implying relative importance.In addition, below
As long as involved technical characteristic does not constitute punching each other in described different embodiments of the present invention
It is prominent just to be combined with each other.
Embodiment 1
A kind of organic waste gas treatment device is present embodiments provided, as shown in figure 1, including：
Combustion chamber 2, for combustion decomposition containing the organic pollution in contaminant gases, gives up after being burnt
Gas；
Air preheater 3, is heated using the exhaust gases after combustion to air, obtains hot-air and
Waste gas after one cooling, the hot-air is passed through in the combustion chamber 2 to contain dirt to described as combustion-supporting gas
Contaminate thing gas and carry out combustion decomposition；
Chilling tower 4, for being cooled down to waste gas after the described first cooling, obtains waste gas after the second cooling；
Dedusting decontamination apparatus, for removing particulate matter and gaseous contamination after second cooling in waste gas
Thing.
The organic waste gas treatment device that the present embodiment is provided, including combustion chamber, air preheater, chilling
Tower and dedusting decontamination apparatus, and obtained using combustion chambers burn decomposition containing the organic matter in contaminant gases
Exhaust gases after combustion, and exhaust gases after combustion to air heat using air preheater obtain hot sky
Waste gas after gas and the first cooling, and the hot-air is passed through in the combustion chamber to promote gas containing pollutant
Body combustion decomposition, so as to improve the efficiency of combustion and heat utilization ratio of waste gas；Meanwhile, utilize chilling
Waste gas cool down obtaining waste gas after the second cooling after tower cools to described first, and utilizes dedusting decontamination
Device removes the particulate matter and gaseous contaminant in waste gas after second cooling so that waste gas row up to standard
Put, do not produce secondary pollution, so that the pollutant thoroughly gone in removing exhaust gas, improves pollutant removal
Rate.
It should be noted that fuel used in combustion chamber can be light diesel and/or natural gas etc..
As preferred embodiment, the dedusting decontamination apparatus for example can be dry including what is be sequentially communicated
Formula absorption plant 5, sack cleaner 6 and absorbent charcoal adsorber 7, it is further preferred that described dry
Activated carbon and/or calcium hydroxide are housed, the absorbent charcoal adsorber 7 includes multilayer in formula absorption plant 5
Absorbing unit, every layer of absorbing unit is filled with activated carbon.
Using charcoal absorption bioxin and heavy metal etc., acidic components is removed using calcium hydroxide；Moreover,
Dry absorption device, sack cleaner and absorbent charcoal adsorber are set gradually in the dedusting decontamination apparatus,
So that the pollutant in waste gas is handled by three absorptions, so as to further increase pollutants removal rate.
Dry absorption device 5, sack cleaner 6 and absorbent charcoal adsorber 7 can use prior art
In any model, its structure also has a variety of ways of realization.As optional, Dry absorption device 5 by
Lime silo, activated carbon storehouse and venturi reactor composition.Lime silo, activated carbon storehouse configuration charging gear,
Can continuous charging, adjustable feeding quantity.The totally-enclosed design of feed bin, prevent it is hardened, make moist.
As optional technical scheme, sack cleaner 6 is by cleaner body, turnover wind box, arteries and veins
Rush deashing device, compressed air line and ash-discharging device composition.Sack cleaner 6 removes for impulse bag
Dirt device, using locellus blowing-out pulse jetting deashing technology, chamber-dividing counter-blowing, by ceiling pulse valve to each room
Filter bag carries out locellus blowing-out dedusting.Compressed air is blown out from the filter bag back side, dust is come off.
Dusty gas enters ash bucket by air inlet, and the thicker grit of a part is fallen by inertia or natural subsidence
Enter ash bucket, remaining most of grit ascends into pocket with air-flow, through sock filtration, is removed so as to reach
The purpose of dirt.With the continuous progress of filtering, dust remover resistance also rises therewith, when resistance reaches one
During definite value, dust-removing control device sends deashing order, first closes lifting valve plate, cuts off filtered airflow；
Then, dust-removing control device sends signal to impulse electromagnetic valve, as pulse valve is the high pressure as deashing
In inverted draft feeding bag, the rapid bulging of filter bag, and strong shake is produced, cause the ash on the outside of filter bag
Dirt is shaken off, and reaches the purpose of deashing.
As optional technical scheme, absorbent charcoal adsorber 7 is a kind of dry type waste gas treatment equipment.
It is made up of casing and the absorbing unit being seated in casing.Casing can be by carbon steel, 316 stainless steels, 304
Stainless steel, fiberglass or PP materials etc. make, and inside carries out anti-corrosion treatment, with anti-strong acid-base and
The corrosion of salt, under operating behaviour in service for a long time, not by other factorses oxide etch.
Optionally, the absorbent charcoal adsorber 7 includes the absorbing unit that multilayer is vertically set,
And have between adjacent adsorbent unit in identical interval, every layer of absorbing unit equipped with same amount of absorption
Agent.Optionally, each absorbing unit can load about 35kg adsorbent (granular activated carbon, active carbon fibre
Tie up felt etc.).Absorbing unit is layered drawer type installation in equipment box, can be very convenient from both sides
Inspection door take out.Inspection door is opened, and convenient, sealing is tight.
As optional technical scheme, combustion chamber 2 is by burner, combustion chamber, ceramic-lined and urgent
Floss hole is constituted.Combustion liner superfine module containing zircon ceramic, its low unit weight, low heat capacity, low heat conduction,
Substantially reduce furnace heating-up temperature fall time；Weight is substantially reduced compared to traditional refractory material；Have good
Good thermal shock resistance, anti-airflow scouring and mechanical strength.Optionally, have urgent at the top of dual firing chamber
Floss hole, controls to be opened and closed by pneumatic mechanism.When occur in stove detonation or occur have a power failure etc. fortuitous event
When, dump mouthful is opened, and discharges high-temperature flue gas.
As preferred embodiment, the combustion chamber 2 include the combustion chamber epimere being detachably connected and
Combustion chamber hypomere, the chilling tower 4 includes the chilling tower epimere and chilling tower hypomere being detachably connected,
And the air preheater 3 is arranged at the top of the combustion chamber 2 and the chilling tower 4；It is described dry
Formula absorption plant 5 includes the Dry absorption device epimere and Dry absorption device hypomere being detachably connected,
The sack cleaner 6 is arranged at the top of the absorbent charcoal adsorber 7, and the Dry absorption
The epimere of device 5 is connected with the sack cleaner 6, the hypomere of Dry absorption device 5 and the urgency
Cold tower hypomere connection.
The organic waste gas treatment device of above-mentioned setting have do not need infrastructure, can Fast Installation debugging,
Mobile flexible the features such as, it is particularly suitable for use in the quick contaminated soil processing in emergent accident place.
It should be noted that being all provided with the bottom panel of upper frame 11 and the top panel of lower frame 12
Hatch frame is equipped with, for installing combustion chamber 2, chilling tower 4, Dry absorption device 5.Moreover, can
Provision for disengagement 10 is located at the hatch frame.
Preferably, the combustion chamber 2, the chilling tower 4, the top and the bottom of Dry absorption device 5 lead to
Detachable apparatus 10 is crossed to connect.Detachable apparatus 10 can be flange etc..
As further preferred embodiment, the organic waste gas treatment device also includes upper frame
11 and lower frame 12, the combustion chamber epimere, the chilling tower epimere, the air preheater 3,
The Dry absorption device epimere and the sack cleaner 6 are fixedly installed on the upper frame 11
In, the combustion chamber hypomere, the chilling tower hypomere, the Dry absorption device hypomere and the work
Property charcoal adsorbent equipment 7 is fixedly installed in the lower frame 12.
The organic waste gas treatment device of above-mentioned setting can modularization install, make its installation process quickly and just
It is prompt.
As optional, upper frame 11 and the 40 chi standard container specifications of use of lower frame 12,
Framework, transverse direction, vertical inner support use 20# I-steel, and diagonal brace uses square tube, the eight of each framework
Individual angle installs container case angle, convenient lifting additional.
As preferred embodiment, the organic waste gas treatment device also includes and the combustion chamber 2
Under the cyclone separator 1 of connection, including the cyclone separator epimere and cyclone separator being detachably connected
Section, the cyclone separator epimere is fixedly installed in the upper frame 11, the cyclone separator
Hypomere is fixedly installed in the lower frame 12.
Cyclone dust collectors 1 are used to remove the bulky grain dust in waste gas (particle diameter is more than 5 μm).Its
Operation principle：Dust-contained airflow is rotated, separated grit simultaneously from air-flow by means of centrifugal force
Wall is trapped in, then grit is fallen into ash bucket by Action of Gravity Field, ash discharge spiral is periodically by ash bucket
Dust is cleared up.
Cyclone dust collectors 1 can use any commonly employed model, and its structure also has a variety of ways of realization.
Optionally, cyclone dust collectors are by air inlet, exhaust outlet, cylinder, cone, ash bucket and ash discharge spiral shell
Rotation composition, wherein cylinder, cone are connected with ash bucket, and exhaust outlet is on cylinder top, ash discharge spiral shell
It is spun on ash bucket bottom.
As further preferred embodiment, the organic waste gas treatment device also includes and the work
Air-introduced machine 8 and chimney 9 that property charcoal adsorbent equipment 7 is sequentially communicated, the air-introduced machine 8 are fixedly installed on institute
State in lower frame 12, the chimney 9 includes chimney epimere, chimney stage casing and the cigarette being detachably connected
Chimney hypomere, the chimney epimere is arranged at the top of upper frame 11, and the chimney stage casing is arranged at
In the upper frame 11, the chimney hypomere is arranged in the upper frame 11.Air-introduced machine 8
The waste gas being used for chimney 9 after emission treatment.
The air preheater 3 and the chilling tower 4 can use any commonly employed model, its structure
Also there are a variety of ways of realization.As preferred embodiment, the air preheater 3 includes connection institute
State combustion chamber 2 and introduce empty with the inner-layer channel 31 of the chilling tower 4 and the bottom to the combustion chamber 2
The outer layer channel 32 of gas, the outer layer channel 32 is set in outside the inner-layer channel 31, described interior
Layer passage 31 is used to the exhaust gases after combustion introducing the chilling tower 4 from the combustion chamber 2, and
The air flowed through in the outer layer channel 32 is heated using the exhaust gases after combustion；The chilling
Tower 4 use atomization after alkali lye with described first cooling after exhaust gas contact with to described first cool after waste gas
Cooled down.
The hot-air that above-mentioned air preheater 3 is produced is passed through combustion chamber, makes organic pollution in waste gas
Flameholding, raising efficiency of combustion, realize that energy regenerating utilizes and reduces equipment energy consumption.By above-mentioned
Air preheater 3, waste gas is reduced to 900 DEG C by 1100 DEG C.Again through passing through above-mentioned chilling tower 4, waste gas
200 DEG C or so are reduced to by 900 DEG C.
As further preferred embodiment, the chilling tower 4 is provided with nozzle, including inner tube,
It is sheathed in outer tube and nozzle head in said inner tube, said inner tube and is passed through alkali lye, leads in the outer tube
Enter air, the mixture of the alkali lye and the air is obtained after the atomization from nozzle head ejection
Alkali lye.
The course of work of above-mentioned chilling tower 4 is：Alkali lye mixed with compressed air at nozzle head after from spray
Mouth sprays, so that alkali lye atomization is tiny particle.According to temperature automatic adjustment injection flow rate, bottom
Will not ponding.
The material of nozzle can use resistant to elevated temperatures hard alloy or other materials.It is used as improved technical side
Case, the lower end of chilling tower 4 is provided with ash disposal mouthful, periodically artificial ash disposal.
Embodiment 2
Present invention also offers a kind of organic waste gas treatment method, comprise the following steps：Step S1, combustion
The organic pollution in waste gas decomposition is burnt, exhaust gases after combustion is obtained；Step S2, using the burning after
Waste gas is heated to air, obtains waste gas after hot-air and the first cooling, and the hot-air is back to
With to waste gas progress combustion decomposition in the step S1；Step S3, to described first cool after give up
Gas is cooled down, and obtains waste gas after the second cooling；After step S4, removal second cooling in waste gas
Particulate matter and gaseous contaminant.
As preferred embodiment, the step S4 includes：Waste gas after cooling successively to described second
Absorbing reaction processing, dust removal process and charcoal absorption processing are carried out, the absorbing reaction is processed as profit
Waste gas is handled after being cooled with activated carbon powder and/or slaked lime powder to described second；The step S1
In, ignition temperature is 1100-1200 DEG C, and burning time is 2-5 seconds；It is described in the step S2
The temperature of waste gas is 800-900 DEG C after first cooling；The step S3 includes：Using fogged lye with
Exhaust gas contact is cooled down with waste gas after cooling to described first after first cooling, and obtaining temperature is
Waste gas after 150-250 DEG C of second cooling.
Preferably, the organic waste gas treatment method also includes：Waste gas is entered before the step S1
Row cyclonic separation, removes dust of the particle diameter more than 5 μm in the waste gas.
Obviously, above-described embodiment is only intended to clearly illustrate example, and not to embodiment party
The restriction of formula.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no need and unable to give all embodiments
With exhaustion.And the obvious changes or variations thus extended out is still in the guarantor of the invention
Protect among scope.
Claims (13)
1. a kind of organic waste gas treatment device, it is characterised in that including：
Combustion chamber (2), for combustion decomposition containing the organic pollution in contaminant gases, is burnt
Waste gas afterwards；
Air preheater (3), is heated to air using the exhaust gases after combustion, obtains hot-air
With waste gas after the first cooling, the hot-air is passed through in the combustion chamber (2) with to institute as combustion-supporting gas
State and carry out combustion decomposition containing contaminant gases；
Chilling tower (4), for being cooled down to waste gas after the described first cooling, is obtained after the second cooling
Waste gas；
Dedusting decontamination apparatus, for removing particulate matter and gaseous contamination after second cooling in waste gas
Thing.
2. organic waste gas treatment device according to claim 1, it is characterised in that the dedusting
The Dry absorption device (5), sack cleaner (6) and activated carbon that decontamination apparatus includes being sequentially communicated are inhaled
Activated carbon and/or calcium hydroxide, the activity are housed in adsorption device (7), the Dry absorption device (5)
Charcoal adsorbent equipment (7) includes multilayer absorbing unit, and every layer of absorbing unit is filled with activated carbon；It is described dry
Formula absorption plant (5) is connected with chilling tower (4).
3. organic waste gas treatment device according to claim 2, it is characterised in that
The combustion chamber (2) includes the combustion chamber epimere and combustion chamber hypomere being detachably connected, the urgency
Cold tower (4) includes the chilling tower epimere and chilling tower hypomere being detachably connected, and the air preheater
(3) it is arranged at the top of the combustion chamber (2) and the chilling tower (4)；The Dry absorption dress
Put Dry absorption device epimere and Dry absorption device hypomere that (5) include being detachably connected, the cloth
Bag dust collector (6) is arranged at the top of the absorbent charcoal adsorber (7), and the Dry absorption
Device (5) epimere is connected with the sack cleaner (6), Dry absorption device (5) hypomere
Connected with the chilling tower hypomere.
4. organic waste gas treatment device according to claim 3, it is characterised in that described organic
Emission-control equipment also include upper frame (11) and lower frame (12), the combustion chamber epimere,
The chilling tower epimere, the air preheater (3), the Dry absorption device epimere and the cloth
Bag dust collector (6) is fixedly installed in the upper frame (11)；The combustion chamber hypomere, institute
Chilling tower hypomere, the Dry absorption device hypomere and the absorbent charcoal adsorber (7) is stated to fix
It is arranged in the lower frame (12).
5. organic waste gas treatment device according to claim 4, it is characterised in that described organic
Emission-control equipment also includes the cyclone separator (1) connected with the combustion chamber (2), including removable
The cyclone separator epimere and cyclone separator hypomere of connection are unloaded, the cyclone separator epimere is fixed and set
It is placed in the upper frame (11), the cyclone separator hypomere is fixedly installed on the lower box
On frame (12).
6. organic waste gas treatment device according to claim 4, it is characterised in that described organic
Emission-control equipment also includes the air-introduced machine (8) being sequentially communicated with the absorbent charcoal adsorber (7)
With chimney (9), the air-introduced machine (8) is fixedly installed in the lower frame (12), the cigarette
Chimney (9) includes chimney epimere, chimney stage casing and the chimney hypomere being detachably connected, the chimney epimere
It is arranged above the upper frame (11), the chimney stage casing is arranged at the upper frame (11)
In, the chimney hypomere is arranged in the upper frame (11).
7. organic waste gas treatment device according to any one of claim 1 to 6, its feature exists
In the air preheater (3) includes connecting the combustion chamber (2) and the chilling tower (4)
Inner-layer channel (31) and to the combustion chamber (2) bottom introduce air outer layer channel (32),
The outer layer channel (32) is set in the inner-layer channel (31) outside, the inner-layer channel (31)
For the exhaust gases after combustion to be incorporated into the chilling tower (4) from the combustion chamber (2), and utilize
The exhaust gases after combustion is heated to the air flowed through in the outer layer channel (32).
8. the organic waste gas treatment device according to any one of claim 1-6, it is characterised in that
The chilling tower (4) is provided with nozzle, including inner tube, the outer tube and nozzle that are sheathed in said inner tube
It is passed through in head, said inner tube in alkali lye, the outer tube and is passed through air, the alkali lye and the air
Mixture sprays from the nozzle head obtains alkali lye after the atomization.
9. a kind of organic waste gas treatment method, it is characterised in that comprise the following steps：
Organic pollution in step S1, combustion decomposition waste gas, obtains exhaust gases after combustion；
Step S2, using the exhaust gases after combustion air is heated, obtain hot-air and the first drop
Waste gas after temperature, the hot-air is back in the step S1 to carry out combustion decomposition to the waste gas；
Step S3, to described first cool after waste gas cool down, obtain waste gas after the second cooling；
Particulate matter and gaseous contaminant after step S4, removal second cooling in waste gas.
10. organic waste gas treatment method according to claim 9, it is characterised in that the step
Rapid S4 includes：Waste gas carries out absorbing reaction processing, dust removal process and work after cooling successively to described second
Property charcoal adsorption treatment, the absorbing reaction is processed as using activated carbon powder and/or slaked lime powder to described the
Waste gas is handled after two coolings.
11. organic waste gas treatment method according to claim 9, it is characterised in that the step
In rapid S1, ignition temperature is 1100-1200 DEG C, and burning time is 2-5 seconds；In the step S2,
The temperature of waste gas is 800-900 DEG C after first cooling.
12. organic waste gas treatment method according to claim 9, it is characterised in that the step
Rapid S3 includes：Use fogged lye with described first cool after exhaust gas contact with to described first cool after
Waste gas is cooled down, and it is waste gas after 150-250 DEG C of second cooling to obtain temperature.
13. the organic waste gas treatment method according to any one of claim 9 to 12, its feature
It is, the organic waste gas treatment method also includes：Whirlwind is carried out to waste gas before the step S1
Separation, removes dust of the particle diameter more than 5 μm in the waste gas.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610080191.6A CN107036107A (en) | 2016-02-04 | 2016-02-04 | Organic waste gas treatment device and organic waste gas treatment method |
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| CN201610080191.6A CN107036107A (en) | 2016-02-04 | 2016-02-04 | Organic waste gas treatment device and organic waste gas treatment method |
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| CN107961633A (en) * | 2017-11-30 | 2018-04-27 | 江苏飞视文化发展有限公司 | A kind of printing machine waste gas recovery purification method |
| CN109173539A (en) * | 2018-11-02 | 2019-01-11 | 成都芯飞环保智能设备有限公司 | Based on the pretreated paint spray booth exhaust treatment system of pulverized limestone circulation absorption |
| CN109279733A (en) * | 2018-09-05 | 2019-01-29 | 滨海三甬药业化学有限公司 | A kind of phosphorous, DMF and VOCs comprehensive wastewater processing system and its method |
| CN109596477A (en) * | 2018-12-27 | 2019-04-09 | 复旦大学 | One kind is for measuring the volatile aerosol systems of biomass open burning particulate matter |
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Application publication date: 20170811 |