CN108613200A - For pretreatment system and its method before rolling system oily waste liquor incineration disposal - Google Patents
For pretreatment system and its method before rolling system oily waste liquor incineration disposal Download PDFInfo
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- CN108613200A CN108613200A CN201810693620.6A CN201810693620A CN108613200A CN 108613200 A CN108613200 A CN 108613200A CN 201810693620 A CN201810693620 A CN 201810693620A CN 108613200 A CN108613200 A CN 108613200A
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- level
- filter
- automatic cleaning
- waste liquor
- oily waste
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Links
- 239000002699 waste material Substances 0.000 title claims abstract description 77
- 238000005096 rolling process Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000004140 cleaning Methods 0.000 claims abstract description 69
- 238000003860 storage Methods 0.000 claims abstract description 24
- 238000010304 firing Methods 0.000 claims abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 21
- 239000012535 impurity Substances 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 11
- 239000010419 fine particle Substances 0.000 claims description 8
- 239000002918 waste heat Substances 0.000 claims description 6
- 239000010808 liquid waste Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 claims description 3
- 239000003595 mist Substances 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 11
- 239000000839 emulsion Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 238000005086 pumping Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- 238000004945 emulsification Methods 0.000 description 4
- 239000003995 emulsifying agent Substances 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000013556 antirust agent Substances 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009688 liquid atomisation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 238000004056 waste incineration Methods 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
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/60—Separating
Abstract
The invention discloses one kind for pretreatment system before rolling system oily waste liquor incineration disposal, including：Sequentially connected reception filter element, storage tank, delivery of filtered unit and torch firing unit；The reception filter element, including：Sequentially connected level-one magnetic filter, level-one automatic cleaning filter and two level automatic cleaning filter, two level automatic cleaning filter are connected with storage tank；The delivery of filtered unit, including：Sequentially connected two level magnetic filter and three-level automatic cleaning filter, two level magnetic filter are connected with storage tank, and three-level automatic cleaning filter is connected with torch firing unit；Further include：Blowdown and compatibility burn unit.The invention also discloses one kind for preprocess method before rolling system oily waste liquor incineration disposal.Present invention process is simple, high degree of automation, can effectively pre-process steel industry rolling system oily waste liquor, advantage is provided for incineration disposal.
Description
Technical field
The present invention relates to the oily waste liquor processing in Steel-rolling Industry, contain for rolling system more specifically to one kind
Pretreatment system and its method before oily liquid waste incineration disposition.
Background technology
Rolling is metal stock to be rolled into using roll the pressure processing craft of various specifications plank.System on Rolling Steel
In cool down usually using emulsion, lubricate rolled piece.Rolling emulsion requires good cooling and lubricating performance, chemical stabilization
Property and rustless property, it is based on mineral oil and to be added various additives, is formed containing antirust agent, emulsifier, defoaming
Agent, antioxidant etc. have the mineral oil-water mixed liquid for stablizing chemical property.Rolling emulsion in use can be by
High temperature and oxidation, and the metal powder and moisture that invade can make the gradual aged deterioration of oil product, so using a timing
Between after must replace.Waste emulsified mixture complex chemical composition, water and impurity content are high, and emulsification degree is serious, and chemical property is stablized, and gives
Subsequent processing and recycling bring prodigious difficulty.
Specifically, oily waste liquor caused by rolling process is based on waste emulsified mixture (or being useless cold-rolled lubricating oil), generally
By generations such as steel rolling processing system ultrafiltration, there are following characteristics：
1) water content is high：The water content of this waste emulsified mixture is 20%~70%, and other type waste lubricating oils are aqueous not
More than 5%；
2) emulsifier content is high：Since cold-rolled lubricating oil must have emulsion stability appropriate, so emulsifier content therein
It is 10%~15%.High emulsifier content carrys out extreme difficulties to waste liquid dewatering bands；
3) greasy filth and gum level are high：Since the applying working condition of cold-rolled lubricating oil is harsh, oil product is heated and is cooled down repeatedly so that
Oil product is easy to aoxidize.The high-moisture of emulsion further promotes to aoxidize simultaneously, also easily receives the infringement of microorganism, so useless breast
The products of metamorphism changed in liquid is especially more.
In existing patent, such as application No. is 201610408065.9 to disclose《A kind of emulsion automatic business processing system
System and its treatment process》, including be sequentially connected in series emulsification oil tank, circulating tank, membrane filter, membrane filter, filtrate tank；In filtrate
It is provided with filtrate return duct between tank and circulating tank, ejected wash water drainpipe is provided between circulating tank and emulsification oil tank, in film
Concentrate return duct is provided between filter and circulating tank；Further include concentration flow container, is set between circulating tank and concentration flow container
It is equipped with concentration liquid pipe, the circulating tank is connected with the cleaning water pipe of conveying tap water；Further include medicine liquid tank, in the liquid
Chemical feed pipe is provided between tank and circulating tank；Further include delivery pump and control device.Due to membrane filter involved in this patent with
And tap water makees ejected wash water, relative cost is higher, and will produce a certain amount of production waste water, emulsification oil tank, circulating tank, membrane filtration
Device, filtrate tank series connection also bring the complex disadvantage of actual production, are unfavorable for engineer application.
For another example Chinese invention patent ZL201310211366.9 is disclosed《Waste emulsified mixture for being generated in rolling process
Regenerate device and method》, the equipment includes：Dosage unit；Heating unit；Filtering and impurity removing unit, filtering and impurity removing unit include
Sequentially connected grade one filter, secondary filter and magnetic filter；Heat-chemistry processing unit, to after heating and passing through
The waste emulsified mixture progress heat-chemistry processing of filter, including the first mixer, the first hot settling tank, the second mixer and second are heat sink
Tank drops, and the first mixer is connected to filtering and impurity removing unit, demulsification agent feeding device and the first hot settling tank, and the second mixer connects
It is connected to flocculation agent feeding device, the first hot settling tank and the second settling tank；And product purification unit.The complex process, and need
Heat-chemical treatment is wanted, needs to add demulsifier and flocculant, cost is higher, and does not consider to contain iron fine particle to mistake in emulsion
The damage of filter, magnetic filter, which is placed in after firsts and seconds filter, will be such that filter row access cycle substantially shortens,
It is unfavorable for engineer application.
Invention content
In view of the above defects of the prior art, the object of the present invention is to provide one kind being used for rolling system oily waste water
Pretreatment system and its method before liquid incineration disposal, simple for process, high degree of automation can effectively pre-process steel industry and roll
Steel system oily waste liquor, advantage is provided for incineration disposal.
To achieve the above object, the present invention adopts the following technical scheme that：
On the one hand, a kind of for pretreatment system before rolling system oily waste liquor incineration disposal, including：It is sequentially connected to connect
Receive filter element, storage tank, delivery of filtered unit and torch firing unit；
The reception filter element, including：Sequentially connected level-one magnetic filter, level-one automatic cleaning filter and
Two level automatic cleaning filter, two level automatic cleaning filter are connected with storage tank；
The delivery of filtered unit, including：Sequentially connected two level magnetic filter and three-level automatic cleaning filter,
Two level magnetic filter is connected with storage tank, and three-level automatic cleaning filter is connected with torch firing unit；
Further include：Blowdown and compatibility burn unit.
Unit is burned in the blowdown, including：Sequentially connected blowdown drum and compatibility incinerator, blowdown drum and level-one are certainly
Dynamic cleaning and filtrating equipment, two level automatic cleaning filter are connected with three-level automatic cleaning filter.
The strainer of the level-one automatic cleaning filter is 20~40 mesh apertures.
The strainer of the two level automatic cleaning filter is 40~80 mesh apertures.
The strainer of the three-level automatic cleaning filter is 80~100 mesh apertures.
The torch firing unit, including：It valve group and Waste liquid atomization medium with certain pressure (0.4~0.8MPa) and sets
The liquid waste spray gun being placed in incinerator, incinerator and waste heat boiler.
Several spray guns are equipped in the incinerator (wherein 1 or more is liquid waste spray gun).
On the other hand, a kind of for preprocess method before rolling system oily waste liquor incineration disposal, including following technique：
1) oily waste liquor generated in rolling process flows into level-one magnetic filter by pump group, utilizes level-one Magnetic filtration device
Device, which adsorbs in oily waste liquor, contains iron fine particle；
2) through step 1), treated that oily waste liquor flows into level-one automatic cleaning filter, two level successively cleaned automatically
After filtering device filtering, then flow into storage tank；
3) oily waste liquor in storage tank flows into two level magnetic filter by pump group, further using two level magnetic filter
It adsorbs in oily waste liquor and contains iron fine particle；
4) three-level automatic cleaning filter is flowed into through step 3) treated oily waste liquor to be filtered；
5) last oily waste liquor realizes atomization incineration disposal by torch firing unit in incinerator.
Further include：Step 5) level-one automatic cleaning filter, two level automatic cleaning filter and three-level are cleaned automatically
The impurity and waste liquid generated after filter device self-cleaning flow to blowdown drum collection, is finally pumped into compatibility system, defeated after compatibility processing
It is sent into incinerator incineration disposal.
The storage tank and blowdown drum and waste liquid transfer pipeline is kept the temperature using the steam that waste heat boiler generates.
In the above technical solution, one kind provided by the present invention is for pre- before rolling system oily waste liquor incineration disposal
Processing system and its method also have following advantageous effect：
1) storage tank and blowdown drum and waste liquid transfer pipeline make full use of incineration system waste heat boiler steam conduct in the present invention
Tracing thermal-insulating medium not only can guarantee the flowing conveying row of waste liquid, but also energy conservation and environmental protection；
2) pretreatment system of the present invention carries out the pretreatment of oily waste liquor using physical method, is not related to heat-chemistry processing,
Simple for process, high degree of automation is conducive to engineer application；
3) pretreatment system of the present invention fully considers thin containing a certain amount of iron in steel industry rolling system oily waste liquor
The characteristics of grain, in receiving filter element, level-one magnetic filter is placed in level-one automatic cleaning filter and two level is automatic
Before cleaning and filtrating equipment, in delivery of filtered unit, by two level magnetic filter be placed in three-level automatic cleaning filter it
Before, the applying working condition of automatic cleaning filtering is effectively improved, the row access cycle of automatic cleaning filtering is extended；
4) level-one carries out auxiliary flushing to three-level automatic cleaning filter without external agency in the present invention, can adopt
The pressure and organic material scraper pumped with oily waste liquor realizes that self-cleaning, the impurity and waste liquid for cleaning generation are discharged into blowdown drum
It collects, impurity and waste liquid are conveyed into incinerator incineration disposal after being sent by pumping to the processing of compatibility system in blowdown drum, effectively solve
The conjunction ruleization of the outer impurity removal of pretreatment system and waste liquid are disposed；
5) impurity pair when oily waste liquor needs to be atomized torch firing when pretreatment system of the present invention fully considers reduction incineration disposal
The abrasion of spray gun will contain iron fine particle and go by firsts and seconds magnetic filter and level-one to three-level automatic cleaning filter
It removes, the Li degree Kong mesh of Zhi≤100 of impurity, effective protection spray gun.
Description of the drawings
Fig. 1 is the circuit theory schematic diagram of pretreatment system of the present invention.
Specific implementation mode
The technical solution further illustrated the present invention with reference to the accompanying drawings and examples.
It is provided by the present invention a kind of for being pre-processed before rolling system oily waste liquor incineration disposal shown in Fig. 1
System, including：Sequentially connected reception filter element 1, storage tank 2, delivery of filtered unit 3 and torch firing unit 4.
Preferably, the reception filter element 1, including：Sequentially connected level-one magnetic filter 11, level-one are cleaned automatically
Filter device 12 and two level automatic cleaning filter 13, two level automatic cleaning filter are connected with storage tank；In oily waste liquor
Iron content fines etc. is larger for the abrasion of pumping system, and under elevated pressures and flow velocity, and abrasion, level-one are also easily caused to spray gun
The carry out Adsorption of ferrous contaminants that magnetic filter 11 is mainly used for the iron content fines of oily waste liquor and may contain.One
Grade automatic cleaning filter 12 and two level automatic cleaning filter 13 can increase the stability of pumping system before spray gun, in addition
Automatic cleaning filter by adjust suitable running parameter in production practice, it can be achieved that within certain work period nobody
On duty, automatic filter, which increases, opens auxiliary equipment, convenient periodically clear miscellaneous, and it is artificial to reduce filter operation.
Preferably, entering storage tank 2 by the oily waste liquor after reception filter element 1, storage tank 2 utilizes pre- in torch firing unit 4
The steam that heat filtering generates is kept the temperature (60 DEG C~80 DEG C of holding temperature) so that and oily waste liquor keeps lower viscosity, meanwhile,
Impurity further detaches in oily waste liquor.
Preferably, the delivery of filtered unit 3, including：Sequentially connected two level magnetic filter 31 and three-level are automatically clear
Filter device 32 is washed, two level magnetic filter 31 is connected with storage tank 2, three-level automatic cleaning filter 32 and 4 phase of torch firing unit
Even；The iron content fines of oily waste liquor and the ferrous contaminants that may contain further inhale by two level magnetic filter 31
Attached removal.Three-level automatic cleaning filter 32 can equally increase the stability of pumping system before spray gun, clean automatically in addition
Filter device by adjust suitable running parameter in production practice, it can be achieved that within certain work period it is unattended, automatically
Filter, which increases, opens auxiliary equipment, convenient periodically clear miscellaneous, and it is artificial to reduce filter operation.
Preferably, further including：Unit 5 is burned in blowdown.Unit 5 is burned in the blowdown, including：Sequentially connected blowdown drum
51 and compatibility incinerator 52, blowdown drum 51 and level-one automatic cleaning filter 12, two level automatic cleaning filter 13 and
Three-level automatic cleaning filter 32 is connected.Level-one magnetic filter 11 and two level magnetic filter 31 can be in pretreatment
System is purged adsorption operation and maintenance during stopping transport.Level-one automatic cleaning filter 12, two level automatic cleaning filter
13 and three-level automatic cleaning filter 32 carry out auxiliary flushing without external agency, can be used oily waste liquor pumping pressure
Power and organic material scraper realize self-cleaning, clean the impurity of generation and waste liquid is discharged into blowdown drum 51 and collects, in blowdown drum 51
Impurity and the waste liquid incineration disposal after being sent by pumping to compatibility incinerator 52 and carrying out compatibility.
Preferably, the strainer of the level-one automatic cleaning filter 12 is 20~40 mesh apertures.
Preferably, the strainer of the two level automatic cleaning filter 13 is 40~80 mesh apertures.
Preferably, the strainer of the three-level automatic cleaning filter 32 is 80~100 mesh apertures.
Preferably, the torch firing unit 4, including：Incinerator and waste heat boiler.
Preferably, being equipped with several spray guns in the incinerator.
The present invention also provides one kind for preprocess method before rolling system oily waste liquor incineration disposal, including following work
Skill：
1) oily waste liquor generated in rolling process flows into level-one magnetic filter 11 by pump group, utilizes level-one magnetism mistake
Filter 11, which adsorbs in oily waste liquor, contains iron fine particle；
2) through step 1), treated that oily waste liquor flows into level-one automatic cleaning filter 12, two level successively cleans automatically
After filter device 13 filters, then flow into storage tank 2；
3) oily waste liquor in storage tank 2 flows into two level magnetic filter 31 again, further using two level magnetic filter 31
It adsorbs in oily waste liquor and contains iron fine particle；
4) three-level automatic cleaning filter 32 is flowed into through step 3) treated oily waste liquor to be filtered；
5) last oily waste liquor flows into torch firing unit 4 and disposes.
Preferably, further including：Step 5) level-one automatic cleaning filter 12, two level automatic cleaning filter 13 and three
The impurity and waste liquid generated after grade 32 self-cleaning of automatic cleaning filter flow to the collection of blowdown drum 51, is finally burned and is filled by compatibility
Set 52 disposition.
Preferably, what the storage tank 2 and blowdown drum and waste liquid conveyance conduit were generated using preboiler in torch firing unit 4
Steam is kept the temperature (60 DEG C~80 DEG C of holding temperature) so that and oily waste liquor keeps lower viscosity, meanwhile, it is miscellaneous in oily waste liquor
Matter further detaches.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as in the spirit of the present invention, the change to embodiment described above
Change, modification will all be fallen within the scope of claims of the present invention.
Claims (10)
1. one kind is for pretreatment system before rolling system oily waste liquor incineration disposal, which is characterized in that including：It is sequentially connected
Receive filter element, storage tank, delivery of filtered unit and torch firing unit；
The reception filter element, including：Sequentially connected level-one magnetic filter, level-one automatic cleaning filter and two level
Automatic cleaning filter, two level automatic cleaning filter are connected with storage tank；
The delivery of filtered unit, including：Sequentially connected two level magnetic filter and three-level automatic cleaning filter, two level
Magnetic filter is connected with storage tank, and three-level automatic cleaning filter is connected with torch firing unit；
Further include：Blowdown and compatibility burn unit.
2. as described in claim 1 a kind of for pretreatment system before rolling system oily waste liquor incineration disposal, feature exists
In：Unit is burned in the blowdown, including：Sequentially connected blowdown drum and compatibility incinerator, blowdown drum are automatically clear with level-one
Wash filter device, two level automatic cleaning filter is connected with three-level automatic cleaning filter.
3. as described in claim 1 a kind of for pretreatment system before rolling system oily waste liquor incineration disposal, feature exists
In：The strainer of the level-one automatic cleaning filter is 20~40 mesh apertures.
4. as described in claim 1 a kind of for pretreatment system before rolling system oily waste liquor incineration disposal, feature exists
In：The strainer of the two level automatic cleaning filter is 40~80 mesh apertures.
5. as described in claim 1 a kind of for pretreatment system before rolling system oily waste liquor incineration disposal, feature exists
In：The strainer of the three-level automatic cleaning filter is 80~100 mesh apertures.
6. as described in claim 1 a kind of for pretreatment system before rolling system oily waste liquor incineration disposal, feature exists
In：The torch firing unit, including：Incinerator, the liquid waste spray gun being set in incinerator, valve group, the waste liquid mist with pressure
Change medium and waste heat boiler.
7. as described in claim 1 a kind of for pretreatment system before rolling system oily waste liquor incineration disposal, feature exists
In：Several spray guns are equipped in the incinerator.
8. a kind of such as claim 1-7 any one of them is used for preprocess method before rolling system oily waste liquor incineration disposal,
It is characterised in that it includes following technique：
1) oily waste liquor generated in rolling process flows into level-one magnetic filter by pump group, is inhaled using level-one magnetic filter
Contain iron fine particle in attached oily waste liquor；
2) through step 1), treated that oily waste liquor flows into successively that level-one automatic cleaning filter, two level clean filtering dress automatically
After setting filtering, then flow into storage tank；
3) oily waste liquor in storage tank flows into two level magnetic filter again, and oily waste water is further adsorbed using two level magnetic filter
Contain iron fine particle in liquid；
4) three-level automatic cleaning filter is flowed into through step 3) treated oily waste liquor to be filtered；
5) last oily waste liquor flows into the disposition of torch firing unit.
9. as claimed in claim 8 a kind of for preprocess method before rolling system oily waste liquor incineration disposal, feature exists
In further including：Step 5) level-one automatic cleaning filter, two level automatic cleaning filter and three-level clean filtering dress automatically
It sets the impurity generated after self-cleaning and waste liquid flow to blowdown drum collection, finally disposed by compatibility incinerator.
10. as claimed in claim 8 a kind of for preprocess method before rolling system oily waste liquor incineration disposal, feature exists
In：The storage tank and blowdown drum is kept the temperature using the steam that waste heat boiler generates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810693620.6A CN108613200B (en) | 2018-06-29 | 2018-06-29 | Pretreatment system and pretreatment method for oil-containing waste liquid of steel rolling system before incineration disposal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810693620.6A CN108613200B (en) | 2018-06-29 | 2018-06-29 | Pretreatment system and pretreatment method for oil-containing waste liquid of steel rolling system before incineration disposal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108613200A true CN108613200A (en) | 2018-10-02 |
| CN108613200B CN108613200B (en) | 2024-03-12 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113230A (en) * | 2020-08-19 | 2020-12-22 | 上海立得催化剂有限公司 | White oil waste liquid treatment system and treatment method thereof |
| CN114060823A (en) * | 2020-07-31 | 2022-02-18 | 宝山钢铁股份有限公司 | Waste emulsion treatment system utilizing boiler of power plant |
| CN114671563A (en) * | 2022-03-11 | 2022-06-28 | 阳春新钢铁有限责任公司 | Pretreatment system used before incineration disposal of oily waste liquid of steel rolling system |
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