CN110242970A - A kind of useless material handling system of chlorine-containing sulfur-containing dust-laden - Google Patents
A kind of useless material handling system of chlorine-containing sulfur-containing dust-laden Download PDFInfo
- Publication number
- CN110242970A CN110242970A CN201910510080.8A CN201910510080A CN110242970A CN 110242970 A CN110242970 A CN 110242970A CN 201910510080 A CN201910510080 A CN 201910510080A CN 110242970 A CN110242970 A CN 110242970A
- Authority
- CN
- China
- Prior art keywords
- chlorine
- laden
- incinerator
- containing sulfur
- tower
- Prior art date
- 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.)
- Granted
Links
- 239000000460 chlorine Substances 0.000 title claims abstract description 87
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 229910052801 chlorine Inorganic materials 0.000 title claims abstract description 81
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 72
- 239000011593 sulfur Substances 0.000 title claims abstract description 72
- 239000000463 material Substances 0.000 title claims abstract description 31
- 239000002699 waste material Substances 0.000 claims abstract description 51
- 239000003518 caustics Substances 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 239000000446 fuel Substances 0.000 claims abstract description 11
- 238000009688 liquid atomisation Methods 0.000 claims abstract description 8
- 239000003546 flue gas Substances 0.000 claims description 63
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 61
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 31
- 239000007789 gas Substances 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 239000013589 supplement Substances 0.000 claims description 6
- 239000013505 freshwater Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 10
- 238000002156 mixing Methods 0.000 abstract description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 15
- 239000003513 alkali Substances 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 7
- 239000000428 dust Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 5
- 238000000889 atomisation Methods 0.000 description 4
- HYJODZUSLXOFNC-UHFFFAOYSA-N [S].[Cl] Chemical group [S].[Cl] HYJODZUSLXOFNC-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
Classifications
-
- 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
- F23G7/04—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste liquors, e.g. sulfite liquors
-
- 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
- F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2217/00—Intercepting solids
- F23J2217/50—Intercepting solids by cleaning fluids (washers or scrubbers)
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Treating Waste Gases (AREA)
Abstract
A kind of useless material handling system of chlorine-containing sulfur-containing dust-laden, including incinerator, chilling tower and caustic wash tower, chlorine-containing sulfur-containing dust-laden waste material includes chlorine-containing sulfur-containing dust-laden waste liquid and chlorine-containing sulfur-containing dust-laden exhaust gas；It is equipped at the top of incinerator for the burner of incinerator will to be sprayed into after chlorine-containing sulfur-containing dust-laden Waste liquid atomization, incinerator upper lateral part is equipped with the side burner for chlorine-containing sulfur-containing dust-laden exhaust gas and auxiliary fuel to be sprayed into incinerator, and side burner is equipped with air interface；Chilling tower is connected to incinerator along axial, and caustic wash tower is connected to chilling tower.The present invention can in chlorine-containing sulfur-containing dust-laden waste material waste liquid and exhaust gas sufficiently handled, and processing load, conversion zone, degree of mixing, residence time and the reaction temperature in incinerator can be controlled.
Description
Technical field
The present invention relates to waste material process fields, more particularly to a kind of useless material handling system of chlorine-containing sulfur-containing dust-laden.
Background technique
With the rapid development of our country's economy, the large quantities of rapid constructions of the process units of the industries such as petroleum, chemical industry, medical treatment produce
A large amount of waste material is given birth to.If waste material direct emission can be caused serious pollution to environment.
In recent years, people's environmental protection consciousness gradually increases, and environmental protection policy regulation is increasingly strengthened, to the disposition skill of waste material
Art proposes new requirement, and for incinerator as the important component in chemical plant installations, it has the spies such as efficient, processing is thorough
Point.If but burning parameter and processing method selection are improper, can generate secondary pollution.For chlorine-containing sulfur-containing dust-laden waste material, burn
It burns temperature and is lower than 800 DEG C, easily generation dioxin；If incineration temperature is greater than 1100 DEG C, easily generation NOx brings secondary pollution；
Flue gas after burning easily generates a large amount of dioxin at 450 DEG C or so again.
The useless material handling system of use in the prior art generally use waste material is passed through after incinerator burning it is remaining
The mode of heat boiler, the flue gas after burning easily generate a large amount of dioxin at 450 DEG C or so again, cause environmental protection not up to standard；
Application No. is the patent documents of CN200910169676.2 to disclose a kind of burned waste gas flue gas chilling of waste liquid containing chlorine
Technique and its device, the technique will contain chlorine waste liquid/exhaust gas and be sent in incinerator, be 1100-1200 DEG C in incineration temperature and burn
Burn furnace in reacts with oxygen, high-temperature flue gas is directly entered chilling tower, be quickly cooled under the action of cooling water 90 DEG C with
Under, it then enters back into after packed tower progress alkali cleaning and atmosphere is discharged by chimney.The equipment mainly includes incinerator, incinerator and useless
Liquid/exhaust gas supply system, fuel system are connected with combustion-supporting wind system, and incinerator tail portion is connect with chilling tower, and chilling tower is by cooling
Water ring sprays dilute hydrochloric acid and is cooled down to flue gas and absorb the HCl in flue gas；Chilling tower is connected with packed tower Alkali absorption system.But
It is not enter the tool of the mode and incinerator in incinerator in the technical solution that the patent document is recorded to waste liquid exhaust gas
Body structure is described in detail, i.e., the equipment can not sufficiently be handled waste liquid and exhaust gas, can not be to waste material in incinerator
Processing load, conversion zone, degree of mixing, residence time and reaction temperature controlled.
Summary of the invention
The object of the present invention is to provide a kind of useless material handling systems of chlorine-containing sulfur-containing dust-laden, to solve existing waste material processing
System can not sufficiently be handled waste liquid and exhaust gas, and can not be to the processing load in incinerator, conversion zone, mixing
The technical issues of degree, residence time and reaction temperature are controlled.
A kind of useless material handling system of chlorine-containing sulfur-containing dust-laden of the invention includes incinerator, chilling tower and caustic wash tower, contains chlorine
Sulfur-bearing dust-laden waste material includes chlorine-containing sulfur-containing dust-laden waste liquid and chlorine-containing sulfur-containing dust-laden exhaust gas, is equipped at the top of incinerator for that will contain chlorine
Spray into the burner of incinerator after sulfur-bearing dust-laden Waste liquid atomization, incinerator upper lateral part be equipped with for by chlorine-containing sulfur-containing dust-laden exhaust gas and
Auxiliary fuel sprays into the side burner of incinerator, and side burner is equipped with air interface, and chilling tower is connected to incinerator along axial,
Caustic wash tower is connected to chilling tower.
Further, the straying quatity that side burner is used to control chlorine-containing sulfur-containing dust-laden exhaust gas, auxiliary fuel and air makes to burn
Burning the incineration temperature in furnace is 900-1000 DEG C.
Further, incinerator and chilling tower are in integral type, and incinerator bottom is connected with chilling tower top, incinerator bottom
In shrink mouth shape, chilling tower upper lateral part is equipped with chilling nozzle, and chilling nozzle is radially across chilling tower and incinerator, with to chlorine-containing sulfur-containing
The flue gas that dust-laden waste material generates after burning sprays into fresh water.
Further, the flue gas that chlorine-containing sulfur-containing dust-laden waste material generates after burning is in incinerator and chilling tower junction chilling
To 80 DEG C.
Further, chilling tower includes outer barrel, inner cylinder and Yan Chi, and outer barrel top is connect with incinerator bottom, interior
In contraction-like, weir pond is located in inner cylinder upper lateral part and the annular chamber of outer barrel formation cylinder.
Further, outer cylinder body sidewall is equipped with the water supplement port for supplying water into weir pond.
Further, the useless material handling system of chlorine-containing sulfur-containing dust-laden further includes for forming drawing for negative pressure in processing system
The top of blower, air-introduced machine and caustic wash tower connects.
Further, chilling tower bottom is exported equipped with chilling tower acid liquid, and chilling tower side is provided with the outlet of chilling tower flue gas,
Caustic wash tower and chilling tower are through chilling tower flue gas outlet.
Further, the chlorine-containing sulfur-containing dust-laden material handling system that gives up further includes following for the acid solution of acid cycle in chilling tower
Ring pump, and the NaOH solution circulating pump recycled for lye in caustic wash tower.
The invention has the following advantages:
Chlorine-containing sulfur-containing dust-laden of the invention gives up material handling system, and setting is for by chlorine-containing sulfur-containing dust-laden at the top of incinerator
The burner that incinerator is sprayed into after Waste liquid atomization, can sufficiently burn after making Waste liquid atomization；The setting of incinerator upper lateral part is used for will
Chlorine-containing sulfur-containing dust-laden exhaust gas and auxiliary fuel spray into the side burner of incinerator, and side burner is equipped with air interface, the present invention
Processing system can according to the waste liquid exhausted air quantity being passed through in incinerator to the operation number of the air capacity of importing and side burner into
The accurate control of row, to adapt to different loads；In addition, can control the reaction of incinerator by the size of side burner straying quatity
Region, degree of mixing, residence time and reaction temperature, to realize qualified discharge.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of the useless material handling system of chlorine-containing sulfur-containing dust-laden of the invention.
In figure: 1- burner, the side 2- burner, 3- incinerator, 4- chilling tower, 5- chilling nozzle, 6- water supplement port, the weir 7-
Pond, the pond 8-, the outlet of 9- chilling tower acid liquid, 10- acid cycle pump, 11- inner cylinder, the outlet of 12- chilling tower flue gas, 13- lye
Circulating pump, the fresh lye of 14-, 15- caustic wash tower, 16- air-introduced machine, 17- chimney.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be limited by following and
The multitude of different ways of covering is implemented.
Fig. 1 is the structural schematic diagram of the useless material handling system of chlorine-containing sulfur-containing dust-laden of the invention.
As shown in Figure 1, chlorine-containing sulfur-containing dust-laden of the invention gives up, material handling system includes incinerator 3, chilling tower 4 and alkali cleaning
Tower 15, chlorine-containing sulfur-containing dust-laden waste material includes chlorine-containing sulfur-containing dust-laden waste liquid and chlorine-containing sulfur-containing dust-laden exhaust gas, is equipped at the top of incinerator 3
For will spray into the burner 1 of incinerator 3 after chlorine-containing sulfur-containing dust-laden Waste liquid atomization, 3 upper lateral part of incinerator is equipped with for that will contain chlorine
Sulfur-bearing dust-laden exhaust gas and auxiliary fuel spray into the side burner 2 of incinerator 3, and side burner 2 is equipped with air interface, chilling tower 4
It is connected to incinerator 3 along axial, caustic wash tower 15 is connected to chilling tower 4.
Chlorine-containing sulfur-containing dust-laden of the invention gives up material handling system by the way that chlorine-containing sulfur-containing dust-laden waste material is imported incinerator 3
It is inside burned, the flue gas generated after burning enters chilling tower 4 by incinerator 3 and carries out chilling, reduces dioxin generation, cigarette to the greatest extent
HCl, Cl in gas2、SO2, dust be washed till 4 bottom pond 8 of chilling tower, later flue gas from chilling tower 4 drain into caustic wash tower 15 with inhale
Receive the HCl and free chlorine in flue gas, flue gas qualified discharge.Chlorine-containing sulfur-containing dust-laden waste material includes chlorine-containing sulfur-containing dust-laden waste liquid and contains
Chlorine sulfur-bearing dust-laden exhaust gas.It is equipped at the top of incinerator 3 for the burner of incinerator 3 will to be sprayed into after chlorine-containing sulfur-containing dust-laden Waste liquid atomization
1, burner 1 uses medium atomization mode, preferably using steam or compression gas mode, by burner 1 by Waste liquid atomization
Incinerator 3 is sprayed into afterwards, waste liquid can be made sufficiently to burn in incinerator 3, improves treatment effeciency.3 upper lateral part of incinerator is equipped with and is used for
Chlorine-containing sulfur-containing dust-laden exhaust gas and auxiliary fuel are sprayed into the side burner 2 of incinerator 3, side burner 2 is equipped with air interface, excellent
Selection of land, side burner 2 have it is multiple and can isolated operation, processing system of the invention can adjust side according to waste liquid exhausted air quantity
The operation number of burner 2 is accurately controlled with adapting to different loads according to air capacity of the waste liquid exhausted air quantity to importing；
In addition, can control conversion zone, degree of mixing, residence time and the reaction of incinerator 3 by the size of 2 straying quatity of side burner
Temperature, to realize qualified discharge.
In the present embodiment, the straying quatity that side burner 2 is used to control chlorine-containing sulfur-containing dust-laden exhaust gas, auxiliary fuel and air makes
Incineration temperature in incinerator 3 is 900-1000 DEG C.It is controlled by the operation number of counter-lateral quadrents burner 2 and the size of straying quatity
System, makes 900-1000 DEG C of incineration temperature in incinerator 3, and NOx generation amount is few, does not need to increase in useless material handling system de-
Nitre device.
As shown in Figure 1, incinerator 3 and chilling tower 4 are in integral type, 3 bottom of incinerator is connected with 4 top of chilling tower, burns
3 bottom of furnace is in shrink mouth shape, and 4 upper lateral part of chilling tower is equipped with chilling nozzle 5, chilling nozzle 5 radially across chilling tower 4 and incinerator 3,
Fresh water is sprayed into the flue gas that generates after burning to chlorine-containing sulfur-containing dust-laden waste material.Preferably, chlorine-containing sulfur-containing dust-laden waste material is burnt
The flue gas generated after burning is chilled to 80 DEG C in incinerator 3 and 4 junction of chilling tower.
Incinerator 3 and chilling tower 4 use integral structure, and 3 bottom of incinerator is connected with 4 top of chilling tower, can save and account for
Ground.3 bottom of incinerator is in shrink mouth shape, can be oriented to the flue gas generated is burned, enter in chilling tower 4 convenient for flue gas.Chilling
4 upper lateral part of tower is equipped with chilling nozzle 5, it is preferable that chilling nozzle 5 is mechanical atomization chilling nozzle 5, and chilling nozzle 5 is in chilling tower 4
The setting position of upper lateral part is corresponding with 3 bottom necking of incinerator, and chilling nozzle 5 is radially across 3 bottom of chilling tower 4 and incinerator
Necking sprays into fresh water with the flue gas that generates after burning to chlorine-containing sulfur-containing dust-laden waste material.Specifically, chlorine-containing sulfur-containing dust-laden waste
Flue gas after material burns enters chilling tower 4 by 3 bottom necking of incinerator, and fresh water is by being arranged in 4 upper lateral part of chilling tower
Mechanical atomization chilling nozzle 5 is atomized, water droplets and flue gas rapidly heat and mass, and the quick chilling of flue gas is simultaneously saturated to 80 DEG C or so
State reduces dioxin and generates.
As shown in Figure 1, chilling tower 4 includes outer barrel, inner cylinder 11 and weir pond 7, outer barrel top and 3 bottom of incinerator connect
It connects, in contraction-like, weir pond 7 is located in 11 upper lateral part of inner cylinder and the annular chamber of outer barrel formation inner cylinder 11.Preferably, outer cylinder
Body sidewall is equipped with the water supplement port 6 for supplying water into weir pond 7.
Chilling tower 4 is using the inside and outside double-layer structure for including outer barrel and inner cylinder 11, and inner cylinder 11 is in contraction-like, guarantee
Flue gas is entered the flow velocity after chilling tower 4 in chilling tower inner cylinder 11 by 3 bottom necking of incinerator；Weir pond 7 is located at inner cylinder
In the annular chamber that 11 upper lateral parts and outer barrel are formed, the water supplement port 6 on outer cylinder body sidewall uninterruptedly supplies water to weir pond 7, and weir pond 7 is overflow
Stream forms moisture film flowing in 11 internal perisporium of inner cylinder and plays isolation high temperature action, to reduce selection cost；By quick chilling
And HCl, the Cl of the flue gas with certain flow rate directly into 4 bottom pond 8 of chilling tower, in flue gas2、SO2, dust be washed till bottom
Portion pond 8, flue gas flow to caustic wash tower 15 later after turning back to the annular chamber between inner cylinder 11 and outer barrel, and caustic wash tower 15 absorbs
HCl and free chlorine in flue gas, flue gas qualified discharge.Preferably, 4 bottom pond of chilling tower, 8 liquid level and 11 bottom end of inner cylinder are flat
Together.
As shown in Figure 1, chlorine-containing sulfur-containing dust-laden gives up, material handling system further includes for forming negative pressure in processing system
Air-introduced machine 16, air-introduced machine 16 are connect with the top of caustic wash tower 15.By the way that air-introduced machine 16 is arranged, it can both guarantee entire processing system
Negative pressure operation prevents waste gas and waste liquid leakage pollution environment, it helps the discharge of flue gas after processing.
As shown in Figure 1,4 bottom of chilling tower is equipped with chilling tower acid liquid outlet 9,4 side of chilling tower is provided with chilling tower flue gas
Outlet 12, caustic wash tower 15 are connected to chilling tower 4 through chilling tower flue gas outlet 12.In 4 bottom of chilling tower, setting chilling tower acid liquid goes out
Mouth 9 avoid so that can export 9 discharges via chilling tower acid liquid when acid solution reaches a certain concentration in 4 bottom pond 8 of chilling tower
The consumption of alkali is saved in direct alkali cleaning, reduces operating cost.In 4 side of chilling tower, setting chilling tower flue gas exports 12, it is preferable that
Chilling tower flue gas outlet 12 is arranged in outer barrel side, turns back from 4 bottom pond 8 of chilling tower between inner cylinder 11 and outer barrel
Annular chamber in flue gas can be exported by chilling tower flue gas and 12 flow to caustic wash tower 15, to remove the HCl in flue gas and free
Chlorine.
As shown in Figure 1, chlorine-containing sulfur-containing dust-laden gives up, material handling system further includes the acid solution for acid cycle in chilling tower 4
Circulating pump, and the NaOH solution circulating pump 13 recycled for lye in caustic wash tower 15.Acid cycle pump is arranged can be to by 4 water of chilling tower
The flue gas that pond 8 is turned back carries out secondary washing, reduces and drains into HCl, Cl in the flue gas in caustic wash tower 15 by chilling tower 42、SO2, dust
Content；NaOH solution circulating pump 13, which is arranged, can be such that lye is inversely contacted with the flue gas after alkali cleaning, realize secondary alkali cleaning, thoroughly go
Except the HCl and free chlorine in flue gas.It is discharged by air-introduced machine 16 by chimney 7 by the flue gas being discharged at the top of caustic wash tower 15.
Chlorine-containing sulfur-containing dust-laden waste material processing packet is carried out using the useless material handling system of the chlorine-containing sulfur-containing dust-laden of the present embodiment
Include following procedure:
S1. chlorine-containing sulfur-containing dust-laden waste liquid sprays into incinerator 3, chlorine-containing sulfur-containing dust-laden exhaust gas, auxiliary combustion after the atomization of burner 1
Material and air pass through side burner 2 and enter incinerator 3, and chlorine-containing sulfur-containing dust-laden waste liquid and chlorine-containing sulfur-containing dust-laden exhaust gas are in incinerator 3
Interior burning generates flue gas；
S2. the flue gas that chlorine-containing sulfur-containing dust-laden waste material generates after burning enters chilling tower 4 through incinerator 3, through chilling nozzle 5
4 bottom pond 8 of chilling tower, HCl, Cl in flue gas are poured after quick chilling2、SO2, dust be washed till bottom pond 8；
S3. flue gas turns back after washing to 4 outer layer of chilling tower and flow to caustic wash tower 15, lye absorb flue gas in HCl and
Free chlorine；
S4. flue gas is up to standard discharges through chimney 7.
Specifically, it in S1, is sprayed into incinerator 3 by controlling the operation number of side burner 2, and by side burner 2
Chlorine-containing sulfur-containing dust-laden exhaust gas, auxiliary fuel and air amount make 900-1000 DEG C of incineration temperature in incinerator 3.
In S2, the water droplets and flue gas rapidly heat and mass that chilling nozzle 5 sprays, the quick chilling of flue gas and to 80 DEG C of left sides
Right saturation state；Water supplement port 6 on 4 outer cylinder body sidewall of chilling tower uninterruptedly supplies water to weir pond 7, and 7 overflow of weir pond is in chilling tower
1111 internal perisporium of cylinder forms moisture film flowing and plays isolation high temperature action, to reduce selection cost；By quick chilling and tool
HCl, the Cl for having the flue gas of certain flow rate directly into 4 bottom pond 8 of chilling tower, in flue gas2、SO2, dust be washed till bottom water
Pond 8.
In S3, flue gas flow to caustic wash tower 15 after turning back to the annular chamber between inner cylinder 11 and outer barrel, and caustic wash tower 15 is inhaled
Receive the HCl and free chlorine in flue gas；4 bottom of chilling tower is equipped with acid cycle and pumps to the flue gas turned back by 4 bottom pond 8 of chilling tower
Secondary washing is carried out, reduces and HCl, Cl in the flue gas in caustic wash tower 15 is drained by chilling tower 42、SO2, dust content；Caustic wash tower 15
Lye is contacted inversely with the flue gas after alkali cleaning equipped with NaOH solution circulating pump 13, is realized secondary alkali cleaning, is completely removed flue gas
In HCl and free chlorine.
In S4, the flue gas by being discharged at the top of caustic wash tower 15 guarantees system negative pressure fortune by being discharged after air-introduced machine 16 by chimney 7
Row.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
- The material handling system 1. a kind of chlorine-containing sulfur-containing dust-laden gives up, including incinerator, chilling tower and caustic wash tower, which is characterized in thatThe chlorine-containing sulfur-containing dust-laden waste material includes chlorine-containing sulfur-containing dust-laden waste liquid and chlorine-containing sulfur-containing dust-laden exhaust gas；It is equipped at the top of the incinerator for the burner of the incinerator will to be sprayed into after chlorine-containing sulfur-containing dust-laden Waste liquid atomization, it is described Incinerator upper lateral part is equipped with the side burner for chlorine-containing sulfur-containing dust-laden exhaust gas and auxiliary fuel to be sprayed into incinerator, the side Burner is equipped with air interface；The chilling tower is connected to the incinerator along axial, and the caustic wash tower is connected to the chilling tower.
- The material handling system 2. chlorine-containing sulfur-containing dust-laden according to claim 1 gives up, which is characterized in thatThe straying quatity that the side burner is used to control chlorine-containing sulfur-containing dust-laden exhaust gas, auxiliary fuel and air makes in the incinerator Incineration temperature be 900-1000 DEG C.
- The material handling system 3. chlorine-containing sulfur-containing dust-laden according to claim 1 gives up, which is characterized in thatThe incinerator and the chilling tower are in integral type, and the incinerator bottom is connected with chilling tower top,The incinerator bottom is in shrink mouth shape,The chilling tower upper lateral part is equipped with chilling nozzle, and the chilling nozzle is radially across chilling tower and incinerator, to containing chlorine The flue gas that sulfur-bearing dust-laden waste material generates after burning sprays into fresh water.
- The material handling system 4. chlorine-containing sulfur-containing dust-laden according to claim 3 gives up, which is characterized in thatThe flue gas that the chlorine-containing sulfur-containing dust-laden waste material generates after burning is in the incinerator and chilling tower junction chilling To 80 DEG C.
- The material handling system 5. chlorine-containing sulfur-containing dust-laden according to claim 1 gives up, which is characterized in thatThe chilling tower includes outer barrel, inner cylinder and Yan Chi, and the outer barrel top is connect with the incinerator bottom, described In contraction-like, the weir pond is located in the inner cylinder upper lateral part and the annular chamber of the outer barrel formation inner cylinder.
- The material handling system 6. chlorine-containing sulfur-containing dust-laden according to claim 5 gives up, which is characterized in thatThe outer cylinder body sidewall is equipped with the water supplement port for supplying water into the weir pond.
- The material handling system 7. chlorine-containing sulfur-containing dust-laden according to claim 1 gives up, which is characterized in thatThe useless material handling system of the chlorine-containing sulfur-containing dust-laden further includes the air-introduced machine for forming negative pressure in the processing system, The air-introduced machine is connect with the top of the caustic wash tower.
- 8. the useless material handling system of chlorine-containing sulfur-containing dust-laden described in any one of -7 according to claim 1, which is characterized in thatThe chilling tower bottom is exported equipped with chilling tower acid liquid, and chilling tower side is provided with the outlet of chilling tower flue gas,The caustic wash tower and the chilling tower are through the chilling tower flue gas outlet.
- 9. the useless material handling system of chlorine-containing sulfur-containing dust-laden described in any one of -7 according to claim 1, which is characterized in thatThe useless material handling system of the chlorine-containing sulfur-containing dust-laden further includes the acid cycle pump for acid cycle in chilling tower, and The NaOH solution circulating pump recycled for lye in caustic wash tower.
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