CN107120665A - A kind of salt bearing liquid wastes processing unit and method - Google Patents
A kind of salt bearing liquid wastes processing unit and method Download PDFInfo
- Publication number
- CN107120665A CN107120665A CN201710537463.5A CN201710537463A CN107120665A CN 107120665 A CN107120665 A CN 107120665A CN 201710537463 A CN201710537463 A CN 201710537463A CN 107120665 A CN107120665 A CN 107120665A
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- Prior art keywords
- liquid wastes
- combustion chamber
- bearing liquid
- salt bearing
- processing unit
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- 150000003839 salts Chemical group 0.000 title claims abstract description 98
- 239000010808 liquid waste Substances 0.000 title claims abstract description 92
- 238000012545 processing Methods 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title description 20
- 238000002485 combustion reaction Methods 0.000 claims abstract description 112
- 238000000889 atomisation Methods 0.000 claims abstract description 14
- 238000003672 processing method Methods 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims description 55
- 239000000463 material Substances 0.000 claims description 37
- 239000003546 flue gas Substances 0.000 claims description 25
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 24
- 238000001816 cooling Methods 0.000 claims description 19
- 239000000446 fuel Substances 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 14
- 239000007787 solid Substances 0.000 claims description 12
- 238000012856 packing Methods 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 11
- 239000002699 waste material Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 230000003009 desulfurizing effect Effects 0.000 claims description 5
- 239000000779 smoke Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000013467 fragmentation Methods 0.000 claims description 2
- 238000006062 fragmentation reaction Methods 0.000 claims description 2
- 239000000356 contaminant Substances 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 239000002918 waste heat Substances 0.000 description 6
- 238000011084 recovery Methods 0.000 description 5
- 239000002956 ash Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 239000011819 refractory material Substances 0.000 description 3
- VEMKTZHHVJILDY-UHFFFAOYSA-N resmethrin Chemical compound CC1(C)C(C=C(C)C)C1C(=O)OCC1=COC(CC=2C=CC=CC=2)=C1 VEMKTZHHVJILDY-UHFFFAOYSA-N 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
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- 239000003905 agrochemical Substances 0.000 description 1
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- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
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- 230000005484 gravity Effects 0.000 description 1
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- QAOWNCQODCNURD-UHFFFAOYSA-M hydrogensulfate Chemical compound OS([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
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- 230000002459 sustained effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
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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
- F23G7/04—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
- 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
-
- 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
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
-
- 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
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2202/00—Combustion
- F23G2202/10—Combustion in two or more stages
- F23G2202/103—Combustion in two or more stages in separate chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2206/00—Waste heat recuperation
- F23G2206/20—Waste heat recuperation using the heat in association with another installation
- F23G2206/203—Waste heat recuperation using the heat in association with another installation with a power/heat generating installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/10—Liquid waste
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/20—Sulfur; Compounds thereof
-
- 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
- F23J2217/10—Intercepting solids by filters
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/12—Heat utilisation in combustion or incineration of waste
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention provides a kind of salt bearing liquid wastes processing unit, including：Incinerator, with shaft, has the first opening on shaft；First combustion chamber, above first incinerator；Exported with first gas and the first jet of atomization salt bearing liquid wastes can be injected into the first combustion chamber；First incinerator vertical with the combustion chamber is closely connected by its first opening so that the non-gaseous matter in the combustion chamber can be unobstructedly fallen into the incinerator；Cyclone separator, is exported with first gas entrance and second gas, the first gas entrance and the first gas outlet；And second combustion chamber, with second gas entrance, the second gas entrance and the second gas outlet.Present invention also offers corresponding salt bearing liquid wastes processing method.The present invention is thorough to Disposal of Contaminants；Energy utilization rate is high；Bulk matter can be avoided to assemble damage incinerator part is fallen off after wall built-up.
Description
Technical field
The present invention relates to liquid waste disposal technique field, specifically, the present invention relates to a kind of processing unit of salt bearing liquid wastes
And method.
Background technology
Numerous industries such as medicine, agricultural chemicals, chemical industry, dyestuff can all produce substantial amounts of salt-containing organic wastewater, such waste water saliferous
Amount is high, seriously polluted, and great threat is caused to human health and environment.Currently for the most frequently used water process skill of such waste water
Art is biological treatment.But the salt of excessive concentrations produces inhibitory action in microorganism growth process to microorganism, makes micro- life
Thing osmotic pressure is too high, the separation of cell dehydration, plasm, to the toxic effect of microorganism, and salt bearing liquid wastes density it is too high when, give birth to
Activated sludge easily floats loss in thing method.Based on this, biologic treating technique is typically only capable to handle the saliferous that salinity is less than 1%
Waste liquid, if above this concentration, it is necessary to which waste liquid is diluted, so not only causes the waste of water resource, but also can make
Into treatment facility is huge, investment increase, operating cost raising, the consequence such as poor feasibility.
In recent years, incineration technology was progressively applied to the processing of salt bearing liquid wastes, and incinerator principal mode is rotary kiln, but is returned
When salt bearing liquid wastes are burned following problem can occur for rotary kiln：(1) internal corrosion, salt bearing liquid wastes are in burning process Zhong Yan branches
Progressively go deep into refractory material, because refractory material is different from the coefficient of expansion of salt, operation a period of time refractory can take off
Fall, so as to cause salt directly to be contacted with body of heater, cause body of heater to corrode；(2) lump, the form of rotary kiln is doomed to cause inorganic
Salt melts wall built-up, is difficult ash disposal, after operation a period of time, can cause follow-up workshop section and flue blockage, influence the use of equipment.With
Upper 2 points can cause rotary kiln to be unable to steady and continuous operation during salt bearing liquid wastes are handled.
The content of the invention
The present invention is intended to provide a kind of solution of the salt bearing liquid wastes processing of at least one defect that can overcome prior art
Scheme.
According to an aspect of the invention, there is provided a kind of salt bearing liquid wastes processing unit, including：Incinerator, with shaft,
There is the first opening on shaft；First combustion chamber, above first incinerator；With first gas outlet and can be to the
The first jet of injection atomization salt bearing liquid wastes in one combustion chamber；First incinerator passes through its first opening and the combustion chamber
Vertical close connection so that the non-gaseous matter in the combustion chamber can be unobstructedly fallen into the incinerator；Cyclonic separation
Device, is exported with first gas entrance and second gas, the first gas entrance and the first gas outlet；And
Second combustion chamber, with second gas entrance, the second gas entrance and the second gas outlet.
In one embodiment, first combustion chamber has the combustion chamber inner chamber of column, and it has and plane-parallel
Cross section；Maximum cross section of first opening not less than the combustion chamber inner chamber of the incinerator.
In one embodiment, first combustion chamber has side wall, and the side wall, which slopes inwardly, causes the combustion chamber
The cross section of inner chamber is gradually reduced from bottom to up.
In one embodiment, first combustion chamber also have it is corresponding with the first jet be passed through fuel and
The second nozzle of air, the first jet is positioned above at the position of the second nozzle corresponding to it.
In one embodiment, first combustion chamber has side wall, and the first jet and the second nozzle are pacified
On the side wall.
In one embodiment, the first jet can be tilted down, can also be vertical with the side wall of the first combustion chamber.
In one embodiment, multiple waste liquid implanted layers, each waste liquid are set at the different height of first combustion chamber
Implanted layer includes the multiple first jets for being arranged on the first height；And each waste liquid implanted layer is respectively provided with corresponding
Fuel implanted layer, each fuel implanted layer includes the multiple second nozzles for being arranged on the second height；First height is high
In the described second height.
In one embodiment, the multiple first jets for being arranged on the first height enclose at first height
Around first combustion chamber placement；The multiple second nozzles for being arranged on the second height enclose at second height
Around first combustion chamber placement.
In one embodiment, the inclination angle that the first jet is tilted down is less than 30 °.
In one embodiment, the fire grate of molten state material can be carried by having inside the incinerator.
In one embodiment, the fire grate includes multiple fire grate units, and each fire grate unit includes：Fire grate body, it is in
Tile；And baffle plate, it is arranged on the both sides of the fire grate body, and formation can accommodate the groove of molten state material.
In one embodiment, the baffle plate is parallel with the moving direction of fire grate.
In one embodiment, the depth of the fire grate body is 2~10mm.
In one embodiment, the incinerator also has the second opening；The cyclone separator also has to be burnt with described
Burn in the first interface channel of the second opening connection of stove, first interface channel and be provided with discharge valve.
In one embodiment, the incinerator also has the 3rd opening；Second combustion chamber also has to be burnt with described
Burn in the second interface channel of the 3rd opening connection of stove, second interface channel and be provided with discharge valve.
In one embodiment, the side wall of first combustion chamber and the angle of horizontal plane are 87-89 °.
In one embodiment, the cross section of the combustion chamber inner chamber is rectangle, in other embodiments, the combustion chamber
The cross section of inner chamber can also be circular or other shapes.
In one embodiment, the incinerator has discharging opening；The salt bearing liquid wastes processing unit also includes：First breaks
Below crushing device, the discharging opening for being arranged on the incinerator；For receiving the material of the second incinerator output and it being entered
Row primary fragmentation；First cooling conveying device, for receiving the material after the first breaker processing, cooling material simultaneously will
It is transported to the second breaker；Second breaker, for receiving the material that the first cooling conveying device is conveyed, and to thing
Material carries out second-time breakage；Second cooling conveying device, for receiving the material after the second breaker processing, cools down material
And it is transported to packing device；And packing device, for the material after cooling down and being broken to be packed.
In one embodiment, second combustion chamber also there is third gas to export；The salt bearing liquid wastes processing unit
Also include heat utilization device, it has third gas entrance, the third gas outlet is connected with the third gas entrance.
In one embodiment, the heat utilization device also has the 4th gas vent；The salt bearing liquid wastes processing dress
Putting also includes gas cleaning plant, and it has the 4th gas access, is connected with the 4th gas vent.
In one embodiment, the gas cleaning plant includes chilling tower, desulfurizing tower, the sack cleaner being sequentially connected
With smoke absorption tower.
According to another aspect of the present invention, a kind of salt bearing liquid wastes processing method is additionally provided, is comprised the following steps：
Make the salt bearing liquid wastes of atomization by 600-800 DEG C of combustion zone, vapor will wherein separate, and obtain remaining non-gas
State material；
Described remaining non-gaseous matter is placed at 600-850 DEG C and burned 10-45 minutes；
Gas solid separation is carried out to the flue gas produced by the burning remaining non-gaseous matter using cyclone separator；
The flue gas after gas solid separation is set to carry out second-time burning at a temperature of 850-1100 DEG C.
In one embodiment, described salt bearing liquid wastes processing method also includes：It is described by burning in the burn down step
Material left by remaining non-gaseous matter is reclaimed.
In one embodiment, in the vapor separating step, the resulting remaining non-gaseous matter is without screening
Fall into incinerator gear.
According to another aspect of the invention, a kind of salt bearing liquid wastes based on foregoing salt bearing liquid wastes processing unit are additionally provided
Processing method, comprises the following steps：
The salt bearing liquid wastes of atomization are injected into first combustion chamber, 600-800 DEG C of combustion zone are passed to, by its reclaimed water
Steam is separated, and obtains remaining non-gaseous matter；
The remaining non-gaseous matter is unobstructedly fallen into the incinerator, and 10-45 points are burned at 600-850 DEG C
Clock；
Flue gas produced by making the burning remaining non-gaseous matter enters the cyclone separator and enters promoting the circulation of qi to it
Gu separation；
The flue gas after gas solid separation is entered second combustion chamber, secondary combustion is carried out at a temperature of 850-1100 DEG C
Burn.
Compared with prior art, the present invention has at least one following technique effect：
1st, it is thorough to the Disposal of Contaminants in salt bearing liquid wastes.
2nd, energy utilization rate is high.
3rd, it can avoid falling off the phenomenon for damaging oxidation furnace part after occurring bulk matter aggregation wall built-up in vertical heater,
So as to protect the part of incinerator.
4th, the salinity rate of recovery is high.
5th, equipment is easy to maintain.
Brief description of the drawings
Exemplary embodiment is shown in refer to the attached drawing.Embodiment disclosed herein and accompanying drawing should be considered illustrative
, and it is nonrestrictive.
Fig. 1 shows structure of the salt bearing liquid wastes processing unit provided according to one embodiment of the invention under main perspective
Schematic diagram；
Fig. 2 a show the outward appearance of the first combustion chamber in one embodiment of the invention, and Fig. 2 b are shown first shown in Fig. 2 a
The combustion chamber inner chamber of combustion chamber；
Fig. 3 shows structural representation of the salt bearing liquid wastes processing unit under LOOK LEFT in embodiment illustrated in fig. 1；
Fig. 4 shows schematic diagram of the salt bearing liquid wastes processing unit of another embodiment of the present invention under main perspective；
Fig. 5 shows the block diagram of the salt bearing liquid wastes processing method provided according to one embodiment of present invention.
Embodiment
In order to more fully understand the application, refer to the attached drawing is made into more detailed description to the various aspects of the application.Should
Understand, these describe the description of illustrative embodiments simply to the application in detail, rather than limit the application in any way
Scope.In the specification, identical reference numbers identical element.Stating "and/or" includes associated institute
Any and all combinations of one or more of list of items.
It should be noted that in this manual, the statement of first, second grade is only used for a feature and another feature differentiation
Come, and do not indicate that any limitation to feature.
It will also be appreciated that term " comprising ", " including ", " having ", "comprising" and/or " including ", when in this theory
Represented when being used in bright book exist stated feature, entirety, step, operation, element and/or part, but do not exclude the presence of or
It is attached with one or more of the other feature, entirety, step, operation, element, part and/or combinations thereof.In addition, ought be such as
When the statement of " ... at least one " is appeared in after the list of listed feature, the whole listed feature of modification, rather than modification
Individual component in list.In addition, when describing presently filed embodiment, use " can with " represent " one of the application or
Multiple embodiments ".Also, term " exemplary " is intended to refer to example or illustration.
As it is used in the present context, term " substantially ", " about " and similar term are used as the approximate term of table, and
The term of table degree is not used as, and is intended to explanation by recognized by those of ordinary skill in the art, measured value or calculated value
In inherent variability.
Unless otherwise defined, otherwise all terms (including technical terms and scientific words) used herein be respectively provided with
The application one skilled in the art's is generally understood that identical implication.It will also be appreciated that term is (such as in everyday words
Term defined in allusion quotation) implication consistent with their implications in the context of correlation technique should be interpreted as having, and
It will not explained with idealization or excessively formal sense, unless clearly such herein limit.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 1 shows structure of the salt bearing liquid wastes processing unit provided according to one embodiment of the invention under main perspective
Schematic diagram.With reference to Fig. 1, the salt bearing liquid wastes processing unit includes incinerator 1, the first combustion chamber 2, the combustion of cyclone separator 3 and second
Burn room 4.Wherein, incinerator 1, which has on shaft, shaft, has the first opening and can be passed through the nozzle of fuel and air；Inside tool
There is the fire grate that can carry salt bearing liquid wastes；First combustion chamber 2 is located at the top of incinerator 1, and the incinerator 1 first is opened by it
Mouth is vertical with first combustion chamber 2 to be closely connected so that the non-gaseous matter in first combustion chamber 2 can unobstructedly fall
Enter in the incinerator 1.First combustion chamber 2 has the first jet that atomization salt bearing liquid wastes can be injected into the first combustion chamber 2.The
The ignition temperature of one combustion chamber 2 is 600~800 DEG C.In the presence of 600~800 DEG C of warm areas, the moisture in atomization salt bearing liquid wastes
It is rapidly evaporated as vapor, vapor enters cyclone separator 3 by the exhanst gas outlet of the first combustion chamber.Evaporated in moisture
Afterwards, the residual components in atomization salt bearing liquid wastes can form the non-gaseous matters such as molten state or solid-state, and these non-gaseous matters are in weight
Power effect is lower to be fallen into incinerator 1 by the described first opening.In the program, because at the first opening and its top is without screening
Gear, is blocked therefore, it is possible to avoid cohesive salinity from being formed in the junction of incinerator and the first combustion chamber.
The incineration temperature of incinerator 1 is arranged to 600~850 DEG C.The molten state or solid matter fallen into incinerator 1 exists
Burned in incinerator 1.In burning process, the pollutant part carbonization in saliferous material, another part is then shifted from solid phase is
Gas phase, forms usually said flue gas.These flue gases enter upward ascension the first combustion chamber 2 being located on incinerator 1, then
Cyclone separator 3 is entered by the gas vent of the first combustion chamber 2.
In the example of fig. 1, incinerator 1 connects the composite construction for forming an entirety with the first combustion chamber 2.Incinerator 1
In cuboid, the first opening and the direct UNICOM in bottom of combustion chamber at the top of it.Also, the opening shape at the top of incinerator 1
Shape and size match with the shape and size of the bottom cross section of the first combustion chamber 2.Fig. 2 a show one implementation of the present invention
The outward appearance of the first combustion chamber in example, Fig. 2 b show the combustion chamber inner chamber of the first combustion chamber shown in Fig. 2 a.In this embodiment,
First combustion chamber 2 has the combustion chamber inner chamber of column.The combustion chamber inner chamber has the cross section with plane-parallel；The combustion chamber
The cross section 16 of intracavity bottom matches with the first opening of first incinerator, and the first opening of the incinerator is not less than
The maximum cross section of the combustion chamber inner chamber, so that the molten state and solid matter in first combustion chamber can be unobstructed
Ground is fallen into the incinerator.In the present embodiment, the cross section of combustion chamber inner chamber is rectangle.It is to be appreciated that shown in Fig. 2 a, 2b
Combustion-chamber shape be merely exemplary, it is and nonrestrictive.In other embodiments of the invention, the horizontal stroke of combustion chamber inner chamber
Section can also be other shapes, variously-shaped such as triangle, square, pentagon, hexagon, circle.
In one embodiment, cyclone separator 3 is circular configuration, inside sets central tube, central tube is corrosion-and high-temp-resistant
Material, the lower section of cyclone separator, which is set, to be provided with the first of heatproof and unloads in the connecting pipe being connected with incinerator 2, the connecting pipe
Expect valve.So, the dust that cyclone separator is separated can fall into incinerator 1 by the first discharge valve, and flue gas then enters second
Combustion chamber 4.
In one embodiment, the side wall of the second combustion chamber 4, which is set, can be passed through the nozzle of fuel and air.By adjusting combustion
The flow of material and air, can be by the temperature setting in the second combustion chamber 4 at 850~1100 DEG C.The bottom of second combustion chamber is also set
The connecting pipe being connected with incinerator 1 is put, the second discharge valve of heatproof is provided with the connecting pipe.So, flue gas secondary combustion
The dust formed can fall into incinerator 1 by second discharge valve.The volume of second combustion chamber 4 is the first combustion chamber 2
30% to 50%, it is ensured that burning time of the flue gas in the second combustion chamber 2 is no less than 2s.It so both can guarantee that and avoid bioxin
Generation, can also improve the utilization rate of fuel, so as to save energy resource consumption, reduce cost.
Further, in one embodiment, the side wall of the first combustion chamber 2, which is provided with, can be passed through the second of fuel and air
Nozzle, multiple second nozzles are arranged at sustained height around the first combustion chamber 2, and the injection direction of second nozzle is
Horizontal direction.When multiple second nozzles spray fuel and during air, the multiple tracks crossfire that the center of may be formed at is converged simultaneously.The
One nozzle is arranged on above second nozzle, and injection direction is vertical with side wall as needed or tilts down and is directed at multiple below
The infall for the flame that second nozzle is formed.So, in the salt bearing liquid wastes of jet atomization, the salt bearing liquid wastes of atomization are in air pressure
In the presence of enter flame infall so that moisture rapid evaporation.On the other hand, when first jet is tilted downwards,
The jet length of salt bearing liquid wastes in the horizontal direction is shorter, can so suppress or avoid salt bearing liquid wastes by being formed behind combustion zone
Molten state material adhesion on Inner Wall of Combustion Chamber.Preferably, the inclination angle that first jet is tilted down is less than 30 °.Herein,
The inclination angle that one nozzle is tilted down refers to the angle of the first jet and horizontal plane, hereinafter repeats no more.
Further, in one embodiment, first jet and second nozzle layered arrangement.Divide above every layer of second nozzle
Corresponding first jet is not set.First jet is tilted downwards.Preferably, the inclination angle that first jet is tilted down is small
In 30 °.
Further, in one embodiment, the inwall of incinerator 1 is made up of refractory material, and body of heater both sides set nozzle, is led to
Crossing nozzle can be passed through gaseous fuel and/or liquid fuel in stove.Fire grate is set on bottom of furnace body mounted tracks, track, fire grate exists
It can need to rotate clockwise or counterclockwise by technique on track.Drive device is installed, the rotation of fire grate passes through driving outside stove
The chain drive of device realizes that velocity of rotation can adjust according to the attribute of drive device.Discharging opening is located at one end of incinerator 2
(such as the right-hand member of the incinerator 2 shown in Fig. 1), (i.e. atomization contains for the molten state and solid matter of drive device driving carrying saliferous
Bisulfate waste liquor by behind primary zone it is separated go out non-gaseous matter) fire grate movement and in moving process be oxidized burn
Burn, when the fire grate is moved to discharging opening, the material carried is poured out from discharging opening.
In one embodiment, fire grate is made up of multiple fire grate units.Each fire grate unit includes fire grate body and baffle plate.Stove
Isostere is in tile, and its both sides sets the baffle plate, so that the groove of molten state material can be accommodated by being formed.In an embodiment
In, the fire grate body is linear on the section perpendicular to fire grate moving direction, on the section parallel to fire grate moving direction
In arc line shaped.When fire grate unit is assembled into fire grate, the baffle plate of fire grate unit is parallel to the moving direction of fire grate, and phase
Baffle plate is not provided between adjacent fire grate body.The fire grate of this structure can either accommodate molten state saliferous material, be easy to again in discharging opening
Locate discharging.Preferably, the depth of the fire grate body of fire grate unit is 2~10mm, the i.e. edge of tile fire grate body and the fire grate body
Difference in height between the most deep position of central concave is 2~10mm.
In one embodiment, according to the characteristic of disposed salt and the characteristic of pollutant, the running temperature of incinerator 1 is set to
600-850 DEG C, the temperature range can be realized by adjusting the supply of fuel., can by adjusting the drive device of incinerator 1
To control velocity of rotation and the direction of fire grate, and then residence time of the saliferous material in incinerator 1 is controlled, realized desired
Burn effect.Burning time preferred scope of the saliferous material in incinerator is 10-45 minutes.
With reference to Fig. 2 a, 2b, in one embodiment, the first combustion chamber 2 on incinerator 1 is using in introversion formula
Wall.Introversion refers to the inner surface of the side wall of the first combustion chamber 2 to centroclinal, and it is different from commonly used vertical interior
Wall.In the burning process of saliferous material, high-temperature flue gas makes incineration ashes be in molten condition, is easily attached to burner hearth (for example
The burner hearth of first combustion chamber 2) inwall on, cause encrustation.Accompanying melting in inventor's research discovery, vertical inner wall
The incineration ashes of state form bulk sometimes, because the first combustion chamber 2 generally has certain altitude (e.g., from about more than ten meters high),
Coming off for the material of this bulk is easily caused part (such as fire grate) damage of lower section incinerator 1.And inwall uses introversion formula
Design, the material being attached on inwall can be dripped or dropped in short grained form, so as to avoid dust wall built-up and accumulation, especially
Its incineration ashes for being that of avoiding molten condition is formed bulk and come off.Therefore, the introversion formula inwall of the first combustion chamber helps to set
Standby safety and maintenance, contribute to the service life of extension device.In a preferred embodiment, introversion formula inwall is relative to perpendicular
Nogata is 2 ° to the inclination angle of (dotted line in Fig. 2 b represents vertical direction), and the preferred scope at the inclination angle is 1 ° -3 ° and (burnt
The side wall of room and the angle of horizontal plane are 87-89 °).
Fig. 3 shows the structural representation under LOOK LEFT of the salt bearing liquid wastes processing unit in embodiment illustrated in fig. 1.Should
In embodiment, the salt bearing liquid wastes processing unit also includes the first destroyer 11, the first cooling conveying device 12, the second destroyer
13rd, the second cooling conveying device 14 and packing device 15.First destroyer 11 is placed in the lower section of the discharging opening of incinerator 1, and this first
Destroyer 11 is sequentially connected the first cooling conveying device 12, the second destroyer 13, the second cooling conveying device 14 and packing device
15, these devices are used to carry out cooling packing to the salinity after burning disposal.It is to be appreciated that being used for cooling packing shown in Fig. 3
Device be not unique, in other embodiments of the invention, can be substituted using other cooling packing schemes.
Fig. 4 shows the schematic diagram of the salt bearing liquid wastes processing unit of another embodiment of the present invention.It is described in the embodiment
Salt bearing liquid wastes processing unit also includes heat utilization device and gas cleaning plant.Heat utilization device includes the first waste heat boiler
5 and second waste heat boiler 6.Gas cleaning plant includes chilling tower 7, desulfurizing tower 8, sack cleaner 9 and smoke absorption tower 10.
Flue gas is after second-time burning, and gas temperature is high, is abundant recovery waste heat, sets the first waste heat boiler 5 and more than second
The flue-gas temperature that heat boiler 6 carries out after the recovery of heat, recovered heat is about 550 DEG C or so.Then, then through over-quenching tower make
Its temperature is reduced to 200 DEG C or so in moment, and such purpose is to prevent the generation of bioxin.Then enter through desulfurizing tower 8
Enter sack cleaner 9 after row desulfurization process and carry out dedusting, eventually pass the absorption that absorption tower 10 carries out pollutant, last flue gas
Qualified discharge.
Further, in one embodiment, it is additionally provided with air inducing in the sack cleaner 9 or smoke absorption tower 10
Machine.Because exhaust-gas treatment passage is connected with the exhanst gas outlet of second combustion chamber 4, therefore it can adjust described using air-introduced machine
Negative pressure in second combustion chamber 4, makes up to -50~-260Pa state.
Hereinbefore the various pieces of salt bearing liquid wastes processing unit provided by the present invention are done with reference to multiple embodiments
It is described in detail.Below by taking the processing unit shown in Fig. 4 as an example, the salt bearing liquid wastes processing based on the salt bearing liquid wastes processing unit is described
Method.
Fig. 5 shows the block diagram of the saliferous waste treatment method provided according to one embodiment of present invention.
With reference to Fig. 5, the salt bearing liquid wastes processing method includes：Fuel and air are passed through into the first combustion chamber 2 by second nozzle, formed
The multiple tracks crossfire converged at center.Salt bearing liquid wastes are injected to the first combustion chamber 2 by first jet, wherein salt bearing liquid wastes exist
It is atomized in first jet in the presence of compressed air, the salt bearing liquid wastes of atomization are ejected towards the meet of multiple tracks crossfire.The mist
Moisture in the salt bearing liquid wastes of change is rapidly evaporated in the meet of flame, so, and the moisture in salt bearing liquid wastes is separated,
Remaining non-gaseous matter is dropped down onto on the fire grate of incinerator 1 under gravity.Contained salt in these non-gaseous matters and
Pollutant, they are burned on fire grate so that a part of pollutant oxidation, while producing the upward ascension of flue gas enters the first burning
Room 2, then exhanst gas outlet from the first combustion chamber 2 enter cyclone separator.Cyclone separator carries out solid and gas separation, solid to flue gas
Material falls into incinerator 1 and aoxidized again, and remaining flue gas then enters the second combustion chamber 4.It is remaining in the second combustion chamber 4
Flue gas second-time burning at a high temperature of 850-1100 DEG C, by pollutant exhaustive oxidation.The dust that second-time burning is formed is fallen into
Incinerator 1, gas part enters Btu utilization equipment and carried out only with to heat recovery and utilization, then entering back into gas purifying equipment
Change.In the present embodiment, Btu utilization equipment includes one-level waste heat boiler and the second waste heat boiler.Gas purifying equipment includes described
Chilling tower, desulfurizing tower, sack cleaner and smoke absorption tower.
On the other hand, molten state and solid-state saliferous material obtain recyclable salinity after burning, and these salinities are by fire grate
The discharging opening for being transported to incinerator carries out discharging.First destroyer 11 receives the salinity for coming from incinerator discharging opening, and to it
Tentatively crush, then the second destroyer 13 is delivered to through the first cooling conveying device 12, the second destroyer 13 carries out salt again
It is secondary it is broken after, through the second cooling conveying device 14 and the cooling packing of packing device 15.
It is to be appreciated that oxidation incinerating and treating device and oxidation incineration treatment method described above is exemplary
, and it is nonrestrictive.In other embodiments of the invention, also there is many and do not depart from salt bearing liquid wastes processing unit and method
The implementation of the deformation of present subject matter.For example, in the embodiment of a deformation, Btu utilization equipment and gas purification are set
It is standby to use other designs different from Fig. 4.
It may be noted that the salt bearing liquid wastes processing method of the present invention can be real independent of foregoing salt bearing liquid wastes processing unit
It is existing.For example, according to still another embodiment of the invention, additionally providing a kind of salt bearing liquid wastes processing method, comprising the following steps：
1) salt bearing liquid wastes are atomized and spray into the first combustion chamber.
2) salt bearing liquid wastes of atomization are made by 600-800 DEG C of combustion zone, so that the vapor in salt bearing liquid wastes is separated,
Obtain remaining non-gaseous matter.
3) remaining non-gaseous matter is placed at 600-850 DEG C and burned 10-45 minutes.
4) remaining non-gaseous matter is burned produced flue gas and enter the second combustion chamber.
5) second-time burning is carried out to flue gas with 850-1100 DEG C of temperature in the second combustion chamber, had remaining in flue gas
Machine thing composition is thoroughly decomposed.
6) material that remaining non-gaseous matter leaves after burning is carried out discharging and recovery as recyclable salinity.
Organic matter in the flue gas that the present embodiment is produced when can salt bearing liquid wastes be burned thoroughly is decomposed, it is to avoid produced a large amount of
Bioxin.At the same time, the present embodiment improves energy utilization rate by being classified oxidation, reduces power consumption.
Claims (25)
1. a kind of salt bearing liquid wastes processing unit, it is characterised in that including：
Incinerator, with shaft, has the first opening on shaft；
First combustion chamber, above first incinerator；Export and can be injected into the first combustion chamber with first gas
It is atomized the first jet of salt bearing liquid wastes；First incinerator by its first opening it is vertical with the combustion chamber be closely connected,
So that the non-gaseous matter in the combustion chamber can be unobstructedly fallen into the incinerator；
Cyclone separator, is exported with first gas entrance and second gas, the first gas entrance and the first gas
Outlet；And
Second combustion chamber, with second gas entrance, the second gas entrance and the second gas outlet.
2. salt bearing liquid wastes processing unit according to claim 1, it is characterised in that first combustion chamber has column
Combustion chamber inner chamber, it has the cross section with plane-parallel；First opening of the incinerator is not less than in the combustion chamber
The maximum cross section of chamber.
3. salt bearing liquid wastes processing unit according to claim 2, it is characterised in that first combustion chamber has side wall,
The side wall, which slopes inwardly, causes the cross section of the combustion chamber inner chamber to be gradually reduced from bottom to up.
4. salt bearing liquid wastes processing unit according to claim 1, it is characterised in that first combustion chamber also has and institute
The corresponding second nozzle for being passed through fuel and air of first jet is stated, the first jet is positioned above corresponding to it
At the position of the second nozzle.
5. salt bearing liquid wastes processing unit according to claim 4, it is characterised in that first combustion chamber has side wall,
The first jet and the second nozzle are installed on the side wall.
6. salt bearing liquid wastes processing unit according to claim 5, it is characterised in that the first jet is tilted down.
7. salt bearing liquid wastes processing unit according to claim 6, it is characterised in that the different height of first combustion chamber
Place sets multiple waste liquid implanted layers, and each waste liquid implanted layer includes the multiple first jets for being arranged on the first height；And
Each waste liquid implanted layer is respectively provided with corresponding fuel implanted layer, and each fuel implanted layer includes being arranged on many of the second height
The individual second nozzle；First height is higher than the described second height.
8. salt bearing liquid wastes processing unit according to claim 7, it is characterised in that described to be arranged on the multiple of the first height
The first jet is at first height around first combustion chamber placement；It is described to be arranged on the multiple of the second height
The second nozzle is at second height around first combustion chamber placement.
9. salt bearing liquid wastes processing unit according to claim 6, it is characterised in that what the first jet was tilted down inclines
Angle is less than 30 °.
10. salt bearing liquid wastes processing unit according to claim 1, it is characterised in that having inside the incinerator to hold
Carry the fire grate of molten state material.
11. salt bearing liquid wastes processing unit according to claim 10, it is characterised in that the fire grate includes multiple fire grate lists
Member, each fire grate unit includes：
Fire grate body, it is in tile；And
Baffle plate, it is arranged on the both sides of the fire grate body, and formation can accommodate the groove of molten state material.
12. salt bearing liquid wastes processing unit according to claim 11, it is characterised in that the mobile side of the baffle plate and fire grate
To parallel.
13. salt bearing liquid wastes processing unit according to claim 12, it is characterised in that the depth of the fire grate body is 2~
10m。
14. salt bearing liquid wastes processing unit according to claim 12, it is characterised in that the incinerator also has second to open
Mouthful；
The cyclone separator also has the first interface channel being connected with second opening of the incinerator, described first
Discharge valve is provided with interface channel.
15. salt bearing liquid wastes processing unit according to claim 12, it is characterised in that the incinerator also has the 3rd to open
Mouthful；
Second combustion chamber also has the second interface channel being connected with the 3rd opening of the incinerator, described second
Discharge valve is provided with interface channel.
16. salt bearing liquid wastes processing unit according to claim 3, it is characterised in that the side wall of first combustion chamber with
The angle of horizontal plane is 87-89 °.
17. the salt bearing liquid wastes processing unit according to claim 16, it is characterised in that the combustion chamber inner chamber it is transversal
Face is rectangle.
18. salt bearing liquid wastes processing unit according to claim 1, it is characterised in that the incinerator has discharging opening；
The salt bearing liquid wastes processing unit also includes：
Below first breaker, the discharging opening for being arranged on the incinerator；Thing for receiving the second incinerator output
Expect and primary fragmentation is carried out to it；
First cooling conveying device, for receiving the material after the first breaker processing, cools down material and is conveyed
To the second breaker；
Second breaker, second-time breakage is carried out for receiving the material that the first cooling conveying device is conveyed, and to material；
Second cooling conveying device, for receiving the material after the second breaker processing, cools down material and is conveyed
To packing device；And
Packing device, for the material after cooling down and being broken to be packed.
19. salt bearing liquid wastes processing unit according to claim 1, it is characterised in that second combustion chamber also has the
Three gas vents；
The salt bearing liquid wastes processing unit also includes heat utilization device, and it has third gas entrance, and the third gas goes out
Mouth is connected with the third gas entrance.
20. salt bearing liquid wastes processing unit according to claim 19, it is characterised in that the heat utilization device also has
4th gas vent；
The salt bearing liquid wastes processing unit also includes gas cleaning plant, and it has the 4th gas access, with the 4th gas
Outlet.
21. salt bearing liquid wastes processing unit according to claim 20, it is characterised in that the gas cleaning plant include according to
Chilling tower, desulfurizing tower, sack cleaner and the smoke absorption tower of secondary connection.
22. a kind of salt bearing liquid wastes processing method, it is characterised in that comprise the following steps：
Make the salt bearing liquid wastes of atomization by 600-800 DEG C of combustion zone, vapor will wherein separate, and obtain remaining on-gaseous thing
Matter；
Described remaining non-gaseous matter is placed at 600-850 DEG C and burned 10-45 minutes；
Gas solid separation is carried out to the flue gas produced by the burning remaining non-gaseous matter using cyclone separator；
The flue gas after gas solid separation is set to carry out second-time burning at a temperature of 850-1100 DEG C.
23. salt bearing liquid wastes processing method according to claim 22, it is characterised in that also include：
In the burn down step, the material burned left by the remaining non-gaseous matter is reclaimed.
24. salt bearing liquid wastes processing method according to claim 23, it is characterised in that in the vapor separating step,
The resulting remaining non-gaseous matter is unobstructedly fallen into incinerator.
25. a kind of salt bearing liquid wastes processing method of the salt bearing liquid wastes processing unit based on described in claim 1, it is characterised in that
Comprise the following steps：
The salt bearing liquid wastes of atomization are injected into first combustion chamber, 600-800 DEG C of combustion zone is passed to, will wherein vapor
Separation, obtains remaining non-gaseous matter；
The remaining non-gaseous matter is unobstructedly fallen into the incinerator, is burned 10-45 minutes at 600-850 DEG C；
Flue gas produced by making the burning remaining non-gaseous matter enters the cyclone separator and gas-solid point is carried out to it
From；
The flue gas after gas solid separation is entered second combustion chamber, second-time burning is carried out at a temperature of 850-1100 DEG C.
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| CN201710537463.5A CN107120665A (en) | 2017-07-04 | 2017-07-04 | A kind of salt bearing liquid wastes processing unit and method |
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| CN201710537463.5A CN107120665A (en) | 2017-07-04 | 2017-07-04 | A kind of salt bearing liquid wastes processing unit and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108980861A (en) * | 2018-10-08 | 2018-12-11 | 南京中船绿洲环保有限公司 | The dedicated processing unit and processing method for burning high salt bearing liquid wastes |
| CN110207137A (en) * | 2019-06-12 | 2019-09-06 | 合肥仁德电子科技有限公司 | A kind of high concentration salt bearing liquid wastes incinerator |
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Application publication date: 20170901 |