CN108409074A - A kind of disposal of oily sludge system and technique - Google Patents

A kind of disposal of oily sludge system and technique Download PDF

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Publication number
CN108409074A
CN108409074A CN201810061897.7A CN201810061897A CN108409074A CN 108409074 A CN108409074 A CN 108409074A CN 201810061897 A CN201810061897 A CN 201810061897A CN 108409074 A CN108409074 A CN 108409074A
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CN
China
Prior art keywords
oil
water
enters
silt particle
sludge
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Pending
Application number
CN201810061897.7A
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Chinese (zh)
Inventor
姚广军
刘威
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Beijing North Control Beijing Beijing Environmental Protection Technology Co Ltd
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Beijing North Control Beijing Beijing Environmental Protection Technology Co Ltd
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Priority to CN201810061897.7A priority Critical patent/CN108409074A/en
Publication of CN108409074A publication Critical patent/CN108409074A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/40Devices for separating or removing fatty or oily substances or similar floating material
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/10Treatment of sludge; Devices therefor by pyrolysis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/18Treatment of sludge; Devices therefor by thermal conditioning

Abstract

The present invention relates to a kind of disposal of oily sludge system and techniques, the complete processing equipment of technique oily sludge is reached using the continuous processing technique of " crushing and screening+composite stirring the divides oil+silt particle separating treatment+mud-water separation processing+water-oil separating processing " silt particle that can make that treated to be paved the way or pad the recyclings such as well site and require, oil after water-oil separating is recyclable, and waste water reaches GB31570 2015《Petroleum refining industry pollutant emission standard》Emission request.This technology and complete set equipment uses modularized design, and compact-sized, floor space is small, convenient for disposition production capacity adjustment;Automatic controlling level is moderate, and labor intensity is low;Easy to operate, operational management is conveniently.

Description

A kind of disposal of oily sludge system and technique
Technical field
The present invention relates to contained Mud Treatment Technology field, specifically a kind of disposal of oily sludge system and technique.
Background technology
China will generate a large amount of oily sludge every year at present, according to《National Hazard waste register》, oily sludge is HW08 class hazardous wastes.In actual production, domestic mainly to use four kinds of processing methods:(1) cracking process, treating capacity is few, energy consumption It is high, of high cost, it is dangerous high, the gases such as dioxin, carbon dioxide are will produce in production, and there are hidden danger such as easy detonations, it is secondary Pollution weight.(2) burning method, energy consumption is big, of high cost, dangerous high, generates a large amount of pernicious gases in burning process, secondary pollution is tight Weight.(3) conventional hot water washes method, takes up a large area, and treated, and that oily sludge is not easy is up to standard, due to oily sludge complicated component, Equipment damage is often resulted in, causes system stability poor.Directly dispensing stirring in original washing process, greasy filth separation are not thorough, Can not qualified discharge, cause secondary pollution.(4) sedimentation digs pit oily sludge again by the method for extruding after settling, oil A part is extracted, slag is buried, but the oily sludge for burying underground still has pollution.
Invention content
For the deficiencies in the prior art, the object of the present invention is to provide a kind of reasonable for structure, easy to use, operations The good oily sludge hot wash flow sheet equipment of stability and treatment process, it solves the problems, such as above-mentioned these.Oily sludge integrates Recycling, harmlessness disposing mode in processing procedure realize the recycling of oil, and treated, and silt particle is used to pad well site or paving Road.
To achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of disposal of oily sludge system, including:Pretreatment system, greasy filth piece-rate system, silt particle piece-rate system, muddy water point From system, oil-water separation system, clean water system, heating system, waste tank, fuel reserve tank and foul water tank;
The pretreatment system includes three oily sludge crusher, screening plant and rewinding case parts, is used for oil-containing Sludge raw material such as is crushed, is sieved at the pretreatments, is connect with heating system, greasy filth piece-rate system and waste tank, the greasy filth point From system be used for pretreated oily sludge carry out oil, water, silt particle three phase separation, respectively with heating system, fuel reserve tank It is connected with silt particle piece-rate system, silt particle enters silt particle piece-rate system by pipeline and carries out silt particle separating treatment, the silt particle separation System is connect with sludge-water separating system, the sludge-water separating system for carrying out mud-water separation processing, respectively with fuel reserve tank and dirt Water tank connects, and the fuel reserve tank is connect with oil-water separation system, and oil-water separation system includes oil water separator, for fuel reserve tank Interior oil carries out water-oil separating, and the oil isolated recycles, and waste water enters foul water tank by pipeline;The clean water system and mud Water separating system connects, for being rinsed as needed to the sludge-water separating system.
On the basis of said program, the rewinding case in the pretreatment system is connect with heating system.
On the basis of said program, the greasy filth piece-rate system includes composite stirring equipment and sonolysis device, The composite stirring equipment and sonolysis device are connect with heating system.
On the basis of said program, the silt particle piece-rate system includes sand washer and vertical mixer.
On the basis of said program, the sludge-water separating system includes tail oil processing unit and centrifuge.
On the basis of said program, the clean water system includes boiler, and hot water enters centrifuge by pipeline, to institute Centrifuge is stated to be rinsed as needed.
It is hard after the preprocessed system of oily sludge using the Oil Containing Sludge Treatment of above-mentioned disposal of oily sludge system Hard solid phase is fully broken, enters greasy filth piece-rate system, according to oily sludge each component situation, greasy filth piece-rate system will contain greasy dirt Mud is heated to preference temperature, and after addition separation medicament is sufficiently stirred, oil is detached with silt particle;Silt particle sequentially enters silt particle segregative line System, sludge-water separating system, by the further separation of mud, sand, water, oil;Oil after separation in fuel reserve tank enter oil-water separation system into Row water-oil separating reduces the moisture content in oil.
On the basis of said program, the Oil Containing Sludge Treatment the specific steps are:
(1) raw material initially enters oily sludge crusher, and the clod of bulk is broken into graininess;Then it is filled by sieving It sets, the oily sludge of fine particle shape enters rewinding case by the sieve of screening plant and heated, stirs, stores, and does not pass through The waste material of sieve enters waste tank;
(2) oily sludge after being preheated by rewinding case initially enters composite stirring equipment, in composite stirring equipment Middle addition medicament, is sufficiently stirred, and after reacting a period of time, oil, water, silt particle are divided into three layers, and the oil on upper layer enters storage by pipeline The silt particle of fuel tank, bottom enters sonolysis device, extremely intractable being wrapped in around silt particle using the property of ultrasonic wave The oil of oil separation, upper layer enters fuel reserve tank by pipeline, and the silt particle of bottom enters the sand washer of silt particle piece-rate system by pipeline;
(3) after silt particle enters sand washer, sand is separated, and mud enters vertical mixer, and muddy water is entered after being sufficiently stirred The tail oil processing unit of piece-rate system;
(4) mud enters tail oil processing unit, adding medicine, the oil being wrapped in around mud under the action of bubble floating From, so that oil detach with mud by centrifuge, oily after separation enters fuel reserve tank by pipeline, and the mud after separation discharges, waste water into Enter foul water tank;
(5) after the oil in fuel reserve tank enters oil water separator progress water-oil separating by pipeline, oil recycling, waste water enters dirt Water tank.
On the basis of said program, oily sludge is heated to 50~90 DEG C by greasy filth piece-rate system.
On the basis of said program, the mud discharged in step (4) is moisture content≤55%, the wet mud of oil content≤2%.
On the basis of said program, waste water is oil-containing≤20mg/L, the waste water containing solid phase≤0.01% in step (5).
Advantageous effect:
1, the complete processing equipment of this technique oily sludge using " crushing and screening+composite stirring divide oil+silt particle separating treatment+ The continuous processing technique of mud-water separation processing+water-oil separating processing " can make that treated, and silt particle reaches paves the way or pad well site etc. again Using requirement, the oil after water-oil separating is recyclable, and waste water reaches GB31570-2015《Petroleum refining industry pollutant emission mark It is accurate》Emission request.
2, the waste water after this process is circularly used for front-end process process, realizes recycling for water resource, saves Water resource.
3, the prevention of secondary pollution is fully considered when this process equipment design manufactures, equipment running noises are low, and exhaust gas is controllable, To ambient enviroment without adverse effect.
4, this technology and complete set equipment uses modularized design, and compact-sized, floor space is small, convenient for disposition production capacity adjustment; Automatic controlling level is moderate, and labor intensity is low;Easy to operate, operational management is conveniently.
Description of the drawings
The present invention has following attached drawing:
The system construction drawing of Fig. 1 present invention.
The process flow chart of Fig. 2 present invention.
Wherein, 1- pretreatment systems;2- greasy filth piece-rate systems;3- silt particle piece-rate systems;4- sludge-water separating systems;5- greases Piece-rate system.
Specific implementation mode
Below in conjunction with attached drawing, invention is further described in detail.
As illustrated in fig. 1 and 2, disposal of oily sludge system of the present invention, including:Pretreatment system 1, greasy filth segregative line System 2, silt particle piece-rate system 3, sludge-water separating system 4, oil-water separation system 5, clean water system, heating system, waste tank, fuel reserve tank And foul water tank;
The pretreatment system 1 includes three oily sludge crusher, screening plant and rewinding case parts, is used for oil-containing Sludge raw material such as is crushed, is sieved at the pretreatments, is connect with heating system, greasy filth piece-rate system 2 and waste tank, the greasy filth point From system 2 be used for pretreated oily sludge carry out oil, water, silt particle three phase separation, respectively with heating system, fuel reserve tank It is connected with silt particle piece-rate system 3, silt particle enters silt particle piece-rate system 3 by pipeline and carries out silt particle separating treatment, the silt particle point Connect with sludge-water separating system 4 from system 3, the sludge-water separating system 4 for carrying out mud-water separation processing, respectively with fuel reserve tank Connected with foul water tank, the fuel reserve tank is connect with oil-water separation system 5, oil-water separation system 5 include oil water separator, for pair Oil in fuel reserve tank carries out water-oil separating, and the oil isolated recycles, and waste water enters foul water tank by pipeline;The clear water system System is connect with sludge-water separating system 4, for being rinsed as needed to the sludge-water separating system 4.
On the basis of said program, the rewinding case in the pretreatment system 1 is connect with heating system.
On the basis of said program, the greasy filth piece-rate system 2 includes composite stirring equipment and sonolysis device, The composite stirring equipment and sonolysis device are connect with heating system.
On the basis of said program, the silt particle piece-rate system 3 includes sand washer and vertical mixer.
On the basis of said program, the sludge-water separating system 4 includes tail oil processing unit and centrifuge.
On the basis of said program, the clean water system includes boiler, and hot water enters centrifuge by pipeline, to institute Centrifuge is stated to be rinsed as needed.
It is hard after the preprocessed system of oily sludge using the Oil Containing Sludge Treatment of above-mentioned disposal of oily sludge system Hard solid phase is fully broken, enters greasy filth piece-rate system, according to oily sludge each component situation, greasy filth piece-rate system will contain greasy dirt Mud is heated to preference temperature, and after addition separation medicament is sufficiently stirred, oil is detached with silt particle;Silt particle sequentially enters silt particle segregative line System, sludge-water separating system, by the further separation of mud, sand, water, oil;Oil after separation in fuel reserve tank enter oil-water separation system into Row water-oil separating reduces the moisture content in oil.
On the basis of said program, the Oil Containing Sludge Treatment the specific steps are:
(1) raw material initially enters oily sludge crusher, and the clod of bulk is broken into graininess;Then it is filled by sieving It sets, the oily sludge of fine particle shape enters rewinding case by the sieve of screening plant and heated, stirs, stores, and does not pass through The waste material of sieve enters waste tank;
(2) oily sludge after being preheated by rewinding case initially enters composite stirring equipment, in composite stirring equipment Middle addition medicament, is sufficiently stirred, and after reacting a period of time, oil, water, silt particle are divided into three layers, and the oil on upper layer enters storage by pipeline The silt particle of fuel tank, bottom enters sonolysis device, extremely intractable being wrapped in around silt particle using the property of ultrasonic wave The oil of oil separation, upper layer enters fuel reserve tank by pipeline, and the silt particle of bottom enters the sand washer of silt particle piece-rate system by pipeline;
(3) after silt particle enters sand washer, sand is separated, and mud enters vertical mixer, and muddy water is entered after being sufficiently stirred The tail oil processing unit of piece-rate system;
(4) mud enters tail oil processing unit, adding medicine, the oil being wrapped in around mud under the action of bubble floating From, so that oil detach with mud by centrifuge, oily after separation enters fuel reserve tank by pipeline, and the mud after separation discharges, waste water into Enter foul water tank;
(5) after the oil in fuel reserve tank enters oil water separator progress water-oil separating by pipeline, oil recycling, waste water enters dirt Water tank.
On the basis of said program, oily sludge is heated to 50~90 DEG C by greasy filth piece-rate system.
On the basis of said program, the mud discharged in step (4) is moisture content≤55%, the wet mud of oil content≤2%.
On the basis of said program, waste water is oil-containing≤20mg/L, the waste water containing solid phase≤0.01% in step (5).
The content not being described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.

Claims (10)

1. a kind of disposal of oily sludge system, it is characterised in that:Including:Pretreatment system, greasy filth piece-rate system, silt particle segregative line System, sludge-water separating system, oil-water separation system, clean water system, heating system, waste tank, fuel reserve tank and foul water tank;
The pretreatment system includes three oily sludge crusher, screening plant and rewinding case parts, is used for oily sludge Raw material is crushed, sieves pretreatment, is connect with heating system, greasy filth piece-rate system and waste tank, the greasy filth piece-rate system For to pretreated oily sludge carry out oil, water, silt particle three phase separation, respectively with heating system, fuel reserve tank and silt particle Piece-rate system connect, silt particle by pipeline enter silt particle piece-rate system carry out silt particle separating treatment, the silt particle piece-rate system with Sludge-water separating system connects, and the sludge-water separating system connects with fuel reserve tank and foul water tank respectively for carrying out mud-water separation processing It connects, the fuel reserve tank is connect with oil-water separation system, and oil-water separation system includes oil water separator, for the oil in fuel reserve tank Water-oil separating is carried out, the oil isolated recycles, and waste water enters foul water tank by pipeline;The clean water system and mud-water separation System connects, for being rinsed as needed to the sludge-water separating system.
2. disposal of oily sludge system as described in claim 1, it is characterised in that:Rewinding case in the pretreatment system with Heating system connects.
3. disposal of oily sludge system as described in claim 1, it is characterised in that:The greasy filth piece-rate system includes compound stirs Device and sonolysis device are mixed, the composite stirring equipment and sonolysis device are connect with heating system.
4. disposal of oily sludge system as described in claim 1, it is characterised in that:The silt particle piece-rate system includes sand washer And vertical mixer;The sludge-water separating system includes tail oil processing unit and centrifuge.
5. disposal of oily sludge system as claimed in claim 4, it is characterised in that:The clean water system includes boiler, heat Water enters centrifuge by pipeline, is rinsed as needed to the centrifuge.
6. the Oil Containing Sludge Treatment of the disposal of oily sludge system as described in claim 1-5 any claims, special Sign is:After the preprocessed system of oily sludge, hard solid phase is fully broken, greasy filth piece-rate system is entered, according to containing greasy dirt Mud each component situation, oily sludge is heated to preference temperature by greasy filth piece-rate system will be oily after addition separation medicament is sufficiently stirred It is detached with silt particle;Silt particle sequentially enters silt particle piece-rate system, sludge-water separating system, by the further separation of mud, sand, water, oil;Separation The oil in fuel reserve tank enters oil-water separation system progress water-oil separating afterwards, reduces the moisture content in oil.
7. Oil Containing Sludge Treatment as claimed in claim 6, it is characterised in that:Greasy filth piece-rate system heats oily sludge To 50~90 DEG C.
8. Oil Containing Sludge Treatment as claimed in claim 6, it is characterised in that:The Oil Containing Sludge Treatment it is specific Step is:
(1) raw material initially enters oily sludge crusher, and the clod of bulk is broken into graininess;Then by screening plant, The oily sludge of fine particle shape enters rewinding case by the sieve of screening plant and is heated, stirs, stores, and does not pass through sieve Waste material enter waste tank;
(2) oily sludge after being preheated by rewinding case initially enters composite stirring equipment, adds in composite stirring equipment Enter medicament, is sufficiently stirred, after reacting a period of time, oil, water, silt particle are divided into three layers, and the oil on upper layer enters fuel reserve tank by pipeline, The silt particle of bottom enters sonolysis device, and extremely intractable oil is wrapped in around silt particle using the property handle of ultrasonic wave From the oil on upper layer enters fuel reserve tank by pipeline, and the silt particle of bottom enters the sand washer of silt particle piece-rate system by pipeline;
(3) after silt particle enters sand washer, sand is separated, and mud enters vertical mixer, and mud-water separation is entered after being sufficiently stirred The tail oil processing unit of system;
(4) mud enters tail oil processing unit, and adding medicine detaches the oil being wrapped in around mud under the action of bubble floating, leads to Crossing centrifuge makes oil be detached with mud, and the oil after separation enters fuel reserve tank by pipeline, and the mud discharge after separation, waste water enters sewage Case;
(5) after the oil in fuel reserve tank enters oil water separator progress water-oil separating by pipeline, oil recycling, waste water enters sewage Case.
9. Oil Containing Sludge Treatment as claimed in claim 8, it is characterised in that:The mud discharged in step (4) is moisture content ≤ 55%, the wet mud of oil content≤2%.
10. Oil Containing Sludge Treatment as claimed in claim 8, it is characterised in that:In step (5) waste water be oil-containing≤ 20mg/L, the waste water containing solid phase≤0.01%.
CN201810061897.7A 2018-01-23 2018-01-23 A kind of disposal of oily sludge system and technique Pending CN108409074A (en)

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Application Number Priority Date Filing Date Title
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109020120A (en) * 2018-08-31 2018-12-18 四川深蓝环保科技有限公司 A kind of sludge sand removing process and system
CN109647871A (en) * 2019-01-22 2019-04-19 杭州造品科技有限公司 A kind of petroleum hydrocarbon contaminated soil hot wash complete set of equipments cleaning technique technique
CN110204156A (en) * 2019-06-12 2019-09-06 曾尚武 Modular sludge treatment system
CN110204157A (en) * 2019-06-12 2019-09-06 曾尚武 Oil soil treatment technique
CN110590088A (en) * 2019-09-11 2019-12-20 中原康 Skid-mounted oil-containing sludge continuous treatment system and treatment method
CN111139102A (en) * 2020-01-10 2020-05-12 克拉玛依市克利达油脂化工有限责任公司 Liquid waste mineral oil treatment process
CN111151029A (en) * 2020-01-10 2020-05-15 克拉玛依市克利达油脂化工有限责任公司 Treatment process of solid waste mineral oil
CN111320344A (en) * 2018-12-14 2020-06-23 杨延勇 Method for treating mud layer in open-air waste oil pit
CN111778059A (en) * 2020-07-07 2020-10-16 中国石油大学(华东) Oil sludge sand pre-separation-oil recovery-post-treatment system and process

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109020120A (en) * 2018-08-31 2018-12-18 四川深蓝环保科技有限公司 A kind of sludge sand removing process and system
CN109020120B (en) * 2018-08-31 2021-06-15 四川深蓝环保科技有限公司 Sludge desanding process and system
CN111320344A (en) * 2018-12-14 2020-06-23 杨延勇 Method for treating mud layer in open-air waste oil pit
CN109647871A (en) * 2019-01-22 2019-04-19 杭州造品科技有限公司 A kind of petroleum hydrocarbon contaminated soil hot wash complete set of equipments cleaning technique technique
CN110204156A (en) * 2019-06-12 2019-09-06 曾尚武 Modular sludge treatment system
CN110204157A (en) * 2019-06-12 2019-09-06 曾尚武 Oil soil treatment technique
CN110590088A (en) * 2019-09-11 2019-12-20 中原康 Skid-mounted oil-containing sludge continuous treatment system and treatment method
CN111139102A (en) * 2020-01-10 2020-05-12 克拉玛依市克利达油脂化工有限责任公司 Liquid waste mineral oil treatment process
CN111151029A (en) * 2020-01-10 2020-05-15 克拉玛依市克利达油脂化工有限责任公司 Treatment process of solid waste mineral oil
CN111778059A (en) * 2020-07-07 2020-10-16 中国石油大学(华东) Oil sludge sand pre-separation-oil recovery-post-treatment system and process
CN111778059B (en) * 2020-07-07 2022-04-08 中国石油大学(华东) Oil sludge sand pre-separation-oil recovery-post-treatment system and process

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