CN108409074A - A kind of disposal of oily sludge system and technique - Google Patents
A kind of disposal of oily sludge system and technique Download PDFInfo
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- 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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- 239000010802 sludge Substances 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 85
- 239000002245 particle Substances 0.000 claims abstract description 57
- 238000000926 separation method Methods 0.000 claims abstract description 38
- 238000003756 stirring Methods 0.000 claims abstract description 18
- 239000002351 wastewater Substances 0.000 claims abstract description 18
- 239000002131 composite material Substances 0.000 claims abstract description 13
- 238000012216 screening Methods 0.000 claims abstract description 9
- 238000004064 recycling Methods 0.000 claims abstract description 7
- 239000000446 fuel Substances 0.000 claims description 28
- 238000010438 heat treatment Methods 0.000 claims description 15
- 239000004576 sand Substances 0.000 claims description 15
- 239000002699 waste material Substances 0.000 claims description 13
- 239000003814 drug Substances 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 6
- 239000007790 solid phase Substances 0.000 claims description 6
- 239000010419 fine particle Substances 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 239000011499 joint compound Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 claims description 3
- 238000005191 phase separation Methods 0.000 claims description 3
- 239000010865 sewage Substances 0.000 claims 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 238000005504 petroleum refining Methods 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/18—Treatment of sludge; Devices therefor by thermal conditioning
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Treatment Of Sludge (AREA)
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
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%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810061897.7A CN108409074A (en) | 2018-01-23 | 2018-01-23 | A kind of disposal of oily sludge system and technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810061897.7A CN108409074A (en) | 2018-01-23 | 2018-01-23 | A kind of disposal of oily sludge system and technique |
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| Publication Number | Publication Date |
|---|---|
| CN108409074A true CN108409074A (en) | 2018-08-17 |
Family
ID=63126052
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|---|---|---|---|
| CN201810061897.7A Pending CN108409074A (en) | 2018-01-23 | 2018-01-23 | A kind of disposal of oily sludge system and technique |
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Cited By (11)
| 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) | An oil sludge sand pre-separation-oil recovery-post-treatment system and process |
| CN114515746A (en) * | 2021-12-27 | 2022-05-20 | 重庆中天海智生态环境科技有限公司 | Oil sludge sand treatment device and process |
| CN114887392A (en) * | 2022-07-15 | 2022-08-12 | 沧州信昌化工股份有限公司 | Oil sludge sand processing apparatus |
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