CN108993111A - A kind of incinerator exhaust treatment system - Google Patents
A kind of incinerator exhaust treatment system Download PDFInfo
- Publication number
- CN108993111A CN108993111A CN201810839611.3A CN201810839611A CN108993111A CN 108993111 A CN108993111 A CN 108993111A CN 201810839611 A CN201810839611 A CN 201810839611A CN 108993111 A CN108993111 A CN 108993111A
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- China
- Prior art keywords
- tower
- level
- outlet
- treatment system
- exhaust treatment
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B01D53/75—Multi-step processes
-
- 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
-
- 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
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- 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
- B01D53/83—Solid phase processes with moving reactants
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Abstract
The present invention provides a kind of incinerator exhaust treatment system, exhaust-gas treatment field, including chilling tower, depickling reactor, cyclone dust collectors, sack cleaner, air-introduced machine, level-one extracting tower, second level neutralizing tower, heater, chimney, the present invention is configured using the depickling dedusting of semidry method and wet process, the flue gas burnt from rotary kiln line will be sent to afterheat boiler system and carry out waste heat recycling, it subsequently enters flue gas purification system and is dusted depickling, cigarette steak is included in later to put, so that burn furnace exhaust after processing can direct emission in the environment, and not will cause environmental pollution.
Description
Technical field
The present invention relates to exhaust-gas treatment fields, and in particular to a kind of incinerator exhaust treatment system.
Background technique
The main reason for flue gas is the mixture of gas and flue dust, is pollution residential block atmosphere.The ingredient of flue gas is very complicated,
It include that water vapour, sulfur dioxide, nitrogen, oxygen, carbon monoxide, carbon dioxide, hydrocarbon and nitrogen oxidation are closed in gas
Object etc., flue dust include the ash content of fuel, coal grain, oil droplet and high-temperature split product etc..
If the exhaust gas that the incinerator of plant produced generates is directly discharged in air for a long time, serious environment often will cause
Pollution, while welding, causes danger to the health of people, long and arduous journey is Kingsoft Yin Shan, is needed a set of
Incinerator exhaust treatment system reaches effective processing for burning furnace exhaust.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of incinerator exhaust treatment system, using semidry method and wet
The depickling dedusting of method configures so that burn furnace exhaust after processing can direct emission in the environment, and not will cause environment dirt
Dye.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of incinerator exhaust treatment system, including chilling tower, depickling reactor, cyclone dust collectors, sack cleaner, draw
The top of blower, level-one extracting tower, second level neutralizing tower, heater, chimney, the chilling tower is equipped with gas approach, the chilling
The outlet of tower connects the depickling reactor, the depickling reactor connection niter ash ejector and technique water-circulating pump, described
The outlet of depickling reactor connects the cyclone dust collectors, connection active carbon injection on the outlet conduit of the cyclone dust collectors
Device, the outlet of the cyclone dust collectors connect the sack cleaner, are equipped with the air-introduced machine, institute below the sack cleaner
The outlet for stating air-introduced machine connects the level-one extracting tower, and the level-one extracting tower connection NaOH solution circulating pump and the process water recycle
Pump, the outlet of the level-one extracting tower connect the second level neutralizing tower, and the second level neutralizing tower connects the technique water-circulating pump,
The outlet of the second level neutralizing tower connects the heater, and the outlet of the heater connects the chimney.
Preferably, the NaOH solution that the lye conveyed in the NaOH solution circulating pump is 30%.
Preferably, the laid inside fire clay of the chilling tower.
Preferably, the second level neutralizing tower is perforated plate tower, is arranged four layers of porous plate, at the same the outside of second level neutralizing tower do it is anti-
UV protection.
Preferably, the level-one extracting tower connect waste liquid pool with the waste liquid outlet of the second level neutralizing tower.
Preferably, the chilling tower connection screw conveyor and rotation unloading valve, the cyclone dust collectors and the pocket type
Deduster connects scrapper conveyor, is being separately connected mixing bunker and storehouse pump by returning charge spiral, ash conveying spiral.
(3) beneficial effect
The present invention provides a kind of incinerator exhaust treatment systems, have the advantages that
Flue gas purification system in this engineering is using " chilling tower+1 thousand methods+whirlwind+active carbon+bag filter+two-stage
Washing+heater " fume treatment technical matters, washes send to waste water treatment plant and handle, and flying dust enters storehouse pump, then is pumped by storehouse
The flying dust bunker for solidifying workshop is got to, system equipment is controlled using PLC/DCS, and cloth bag deashing, pump, blower, conveying equipment are equivalent
When can control on the spot.After this system is handled, meet GB 16297-1996 " the comprehensive row of atmosphere pollution up to reaching
Put standard ", the discharge standard of GB18484-2001 " dangerous waste incineration contamination control standard ", and reach the requirement of environmental impact assessment.
Detailed description of the invention
Fig. 1 is incinerator exhaust treatment system flow chart of the present invention；
Fig. 2 is cooling tower structure schematic diagram of the present invention；
Fig. 3 is the structural schematic diagram of flying dust treating system of the present invention；
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of creative work.
A kind of incinerator exhaust treatment system as shown in Figure 1, including chilling tower, depickling reactor, cyclone dust collectors, bag
Formula deduster, air-introduced machine, level-one extracting tower, second level neutralizing tower, heater, chimney, the top of chilling tower is equipped with gas approach, anxious
The outlet of cold tower connects depickling reactor, and depickling reactor connects niter ash ejector and technique water-circulating pump, depickling reactor
Outlet connect cyclone dust collectors, connect activated carbon eductor, the outlet of cyclone dust collectors on the outlet conduit of cyclone dust collectors
Sack cleaner is connected, air-introduced machine is equipped with below sack cleaner, the outlet of air-introduced machine connects level-one extracting tower, level-one extracting tower
NaOH solution circulating pump and technique water-circulating pump are connected, the outlet of level-one extracting tower connects second level neutralizing tower, and second level neutralizing tower connects work
Skill water-circulating pump, the outlet of second level neutralizing tower connect heater, and the outlet of heater connects chimney.
Temperature is about 550 degree of flue gas, enters chilling tower from chilling top of tower gas approach, cooling water is at the top of cooling tower
Atomizer spray into chilling tower, the desuperheating water of atomization uniformly contacts with flue gas, vaporizes, and absorbs the heat of flue gas.Flue gas passes through
Temperature after chilling tower chilling is 190 degree, and flue gas after cooling is discharged from chilling tower lower part outlet flue, into half dry type depickling
Reactor sprays into calcium hydroxide, circulating ash and atomized water and smoke reaction in depickling reactor；It is removed in advance subsequently into cyclone dust collectors
Dirt, whirlwind exhaust pass penetrating active carbon, which enters in sack cleaner, to be dusted.The flying dust that chilling tower is collected passes through spiral
Conveyer and rotary ash discharge valve drain into the ash storage box below chilling tower, and the flying dust that whirlwind and bag filter are collected is by storehouse
The drag conveyor at bottom and rotation unloading valve a part carry out returning charge circulation, and another part enters storehouse pump, then is got to admittedly by storehouse pump
The flying dust bunker for changing workshop carries out solidifying laggard landfill yard landfill in solidification workshop.Calcium hydroxide spraying system disappears powdered
Lime is injected in depickling reactor, makes pernicious gases and the calcium hydroxides such as the sour gas such as hydrogen chloride, oxysulfide in flue gas
It is most of that it is absorbed removal after reaction, reduces the processing load of wet scrubber tower.
Wherein, as shown in Fig. 2, chilling tower includes chilling tower ontology, ash exhauster, water tank, cooling water pump, atomizer,
Chilling tower ontology connects ash exhauster, and ash exhauster includes spiral ash machine, rotation unloading valve, ash storage box, and spiral ash machine connects
Rotation unloading valve is connect, rotation unloading valve connects ash storage box, and the top of chilling tower ontology connects atomizer, and atomizer passes through pipe
Road connects cooling water pump, and cooling water pump connects water tank by pipeline, and high-temperature flue gas enters chilling by chilling top of tower gas approach
Tower gradually steps into cooling tower by the flaring flue of cooling tower, from boiler export come temperature be about 550 degree flue gas by
Chilling tower body upper part enters, and is stepped into chilling tower ontology by the flaring flue of chilling tower ontology, it is ensured that cigarette
The stability of flow of air, while because flue-gas temperature is relatively high, so entire chilling tower body interior is laid with fire clay to avoid urgency
The high temperature corrosion of cold tower ontology.Double fluid atomization nozzle is located at chilling tower bodies top, and cooling water is pumped to tower top by cooling water
Nozzle, and spray into tower after being atomized by compressed air and directly contact hair with flue gas, the height of tower is configured sufficiently high with guarantee
The atomized water sprayed into can with evaporating completely.Flue gas is cooled to after about 190 degree, and it is anti-to exit into depickling from tower bottom
Answer device.Meanwhile the dust of part is fallen into the ash bucket of tower bottom in flue gas.Flue gas is after the processing of over-quenching tower ontology, from reaction tower
Lower part discharge.Part dust in flue gas is had part and is fallen to reaction tower bottom ash bucket due to the change in plume direction.Dust
After the collection of chilling tower body bottom portion ash bucket, it is fitted into transport trolley or sack by spiral ash machine and rotation unloading valve.
Wherein, flue gas enters in tower from depickling reactor bottom, is humidified water charging system humidification (with outlet cigarette in tower bottom
The interlocking of temperature degree), be humidified industry water of the water from chilling water tank, exports and arranges from top of tower after flue gas and slaked lime powder highly effective reaction
Out, and slaked lime powder be by transport vehicle by pipeline inject calcium hydroxide bunker in, by calcium hydroxide dosing weigh through blower
Injection be transported in depickling reactor, then with flue gas hybrid reaction, to remove partially acidic gas (such as SOx and HCI in flue gas
Deng).
Wherein, into the flue gas of cyclone dust collectors, by the biggish dust of partial size in cyclone dust collectors separating flue and not
The Mars of after-flame sprays into active carbon on the exhaust pass of cyclone dust collectors, and active carbon is stored in ton packet, passes through active carbon
Injector (weighing spiral) is sprayed blower and is transported in flue, to remove the dioxin and heavy metal in flue gas.
Wherein, flue gas enters bag filter after cyclone dust collectors, and the dust in flue gas can be adsorbed on filter bag surface layer,
And form dust layer.Contain a large amount of calcium hydroxide in dust layer, can be reacted with the noxious acidic gaseous in flue gas, is removed
The harmful sour gas in part.
Wherein, level-one extracting tower is placed on before scrubbing tower, and effect is that the flue gas of 180-200 degree is passed through water spray (one
The water supply of grade extracting tower is from process water and NaOH solution circulating pump) mode rapid cooling to water saturation temperature and pass through circulating pump
Circulation alkali liquor is sprayed to flue gas, and injects NaOH solution into circulating absorption solution, the pH value of circulating absorption solution is adjusted to 7 or so,
Absorb HCl, SO in flue gasX, the sour gas such as HF.
Wherein, as shown in figure 3, the flying dust of chilling tower is put into sack or ash storage box by screw conveyor and rotation unloading valve
Storage.The flying dust being discharged from cyclone dust collectors and bag filter enters intermediate ash cellar by scrapper conveyor first, then passes through returning charge spiral shell
Rotation and ash conveying spiral are delivered to respectively in mixing bunker and storehouse pump, then the flying dust bunker for solidifying workshop is got to by storehouse pump, in solidification vehicle
Between solidify laggard landfill yard landfill.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, including the element that sentence "including a ..." limits, it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations, although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (6)
1. a kind of incinerator exhaust treatment system, which is characterized in that including chilling tower, depickling reactor, cyclone dust collectors, pocket type
The top of deduster, air-introduced machine, level-one extracting tower, second level neutralizing tower, heater, chimney, the chilling tower is equipped with gas approach,
The outlet of the chilling tower connects the depickling reactor, and the depickling reactor connection niter ash ejector and process water recycle
Pump, the outlet of the depickling reactor connect the cyclone dust collectors, connect activity on the outlet conduit of the cyclone dust collectors
Charcoal injector, the outlet of the cyclone dust collectors connect the sack cleaner, described draw are equipped with below the sack cleaner
Blower, the outlet of the air-introduced machine connect the level-one extracting tower, the level-one extracting tower connection NaOH solution circulating pump and the work
Skill water-circulating pump, the outlet of the level-one extracting tower connect the second level neutralizing tower, and the second level neutralizing tower connects the technique
Water-circulating pump, the outlet of the second level neutralizing tower connect the heater, and the outlet of the heater connects the chimney.
2. incinerator exhaust treatment system as described in claim 1, which is characterized in that the alkali conveyed in the NaOH solution circulating pump
The NaOH solution that liquid is 30%.
3. incinerator exhaust treatment system as described in claim 1, which is characterized in that the laid inside fire resisting of the chilling tower
Mud.
4. incinerator exhaust treatment system as described in claim 1, which is characterized in that the second level neutralizing tower is perforated plate tower,
Four layers of porous plate are set, while antiultraviolet protection is done in the outside of second level neutralizing tower.
5. incinerator exhaust treatment system as described in claim 1, which is characterized in that the level-one extracting tower and the second level
The waste liquid outlet of neutralizing tower connects waste liquid pool.
6. incinerator exhaust treatment system as described in claim 1, which is characterized in that the chilling tower connects screw conveyor
With rotation unloading valve, the cyclone dust collectors connect scrapper conveyor with the sack cleaner, are passing through returning charge spiral, ash conveying spiral
It is separately connected mixing bunker and storehouse pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810839611.3A CN108993111A (en) | 2018-07-27 | 2018-07-27 | A kind of incinerator exhaust treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810839611.3A CN108993111A (en) | 2018-07-27 | 2018-07-27 | A kind of incinerator exhaust treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108993111A true CN108993111A (en) | 2018-12-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810839611.3A Pending CN108993111A (en) | 2018-07-27 | 2018-07-27 | A kind of incinerator exhaust treatment system |
Country Status (1)
| Country | Link |
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| CN (1) | CN108993111A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112870946A (en) * | 2021-02-01 | 2021-06-01 | 苏州巨鼎环保科技有限公司 | Useless line flue gas purification processing system that burns of danger |
| CN113685823A (en) * | 2021-08-20 | 2021-11-23 | 乾健天勤环保设备(江苏)有限公司 | Vertical incinerator system and process flow |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0473327A1 (en) * | 1990-08-31 | 1992-03-04 | United Kingdom Atomic Energy Authority | Gas stream treatment |
| JPH11182835A (en) * | 1997-12-25 | 1999-07-06 | Hitachi Zosen Corp | Method and device for treating exhaust gas at gasifying incinerating equipment |
| JPH11333253A (en) * | 1998-05-29 | 1999-12-07 | Mitsubishi Heavy Ind Ltd | Exhaust gas treatment apparatus of incineration facility |
| CN101310832A (en) * | 2008-02-26 | 2008-11-26 | 刘阳生 | Purification method and device dioxins in solid waste incineration fume |
| CN104906940A (en) * | 2015-07-09 | 2015-09-16 | 广西武鸣广文环保设备有限公司 | Flue gas cleaning system of household garbage incinerator |
| CN207187421U (en) * | 2017-09-21 | 2018-04-06 | 科林环保技术有限责任公司 | A kind of circulation deacidification purification device for danger wastes incineration flue gas |
-
2018
- 2018-07-27 CN CN201810839611.3A patent/CN108993111A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0473327A1 (en) * | 1990-08-31 | 1992-03-04 | United Kingdom Atomic Energy Authority | Gas stream treatment |
| JPH11182835A (en) * | 1997-12-25 | 1999-07-06 | Hitachi Zosen Corp | Method and device for treating exhaust gas at gasifying incinerating equipment |
| JPH11333253A (en) * | 1998-05-29 | 1999-12-07 | Mitsubishi Heavy Ind Ltd | Exhaust gas treatment apparatus of incineration facility |
| CN101310832A (en) * | 2008-02-26 | 2008-11-26 | 刘阳生 | Purification method and device dioxins in solid waste incineration fume |
| CN104906940A (en) * | 2015-07-09 | 2015-09-16 | 广西武鸣广文环保设备有限公司 | Flue gas cleaning system of household garbage incinerator |
| CN207187421U (en) * | 2017-09-21 | 2018-04-06 | 科林环保技术有限责任公司 | A kind of circulation deacidification purification device for danger wastes incineration flue gas |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112870946A (en) * | 2021-02-01 | 2021-06-01 | 苏州巨鼎环保科技有限公司 | Useless line flue gas purification processing system that burns of danger |
| CN113685823A (en) * | 2021-08-20 | 2021-11-23 | 乾健天勤环保设备(江苏)有限公司 | Vertical incinerator system and process flow |
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| PB01 | Publication | ||
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Application publication date: 20181214 |