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High Efficiency Oil Sludge Treatment Separation Sludge Centrifuge

Categories Oil Sludge Centrifuge
Brand Name: XBSY/WP
Model Number: LW or LWS
Certification: ISO9000
Place of Origin: Chengdu, China
MOQ: 1
Price: Negotiable
Payment Terms: L/C, T/T
Supply Ability: 30 units each months
Delivery Time: 1-3months
Packaging Details: Simple iron frame
Motor power: 380/460V/600V
Motor frequency: 50Hz/60Hz
Control panel: PLC Touch Display Screen
Drive Type: VFD Control
Application 1: Oily Sludge Separation
Standard: ISO9000
Materials: SS304/316/2205
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    High Efficiency Oil Sludge Treatment Separation Sludge Centrifuge


    Ground Sludge, Tank Bottom Oil Sludge Treatment Separation Sludge Centrifuge


    Treatment of ground sludge, sludge at the tank bottom of the oil-gas combined station, and oily sludge in the sedimentation tank


    ★ Production of ground sludge

    During the drilling and test spraying of the oil exploitation process, a large amount of crude oil falls to the ground and is mixed with soil, sand, water, and other substances to form an oil-soil mixture, which is called ground sludge; according to the nature of the crude oil, the sludge can be divided into heavy sludge and thin sludge; according to the storage time, it can also be divided into fresh sludge and accumulated sludge. The oil content of the ground sludge can generally be 10~30%. Because there are all kinds of domestic garbage at the oil production site, the sludge, in addition to soil and sand, is mixed with other domestic wastes and solid wastes like glass bottles, mineral water bottles, convenient bags, and gauze.


    ★ Production of sludge at the tank bottom of the oil-gas combined station

    If crude oil is stored for a long time in the tank of the oil-gas combined station, the inorganic impurities such as high melting point wax, asphaltene, colloid, and entrained mud and sand in the crude oil will become precipitates together with water, forming oily sludge at the bottom of the tank so as to reduce the effective volume of the tank. And such sludge is called sludge at the tank bottom of the oil-gas combined station.


    ★ Three-phase centrifuge model and technical parameters

    Item

    Unit
    LWS250×1025B(X)LWS350×1435B(X)LWS450×1845B(X)LWS520×2150B(X)LWS580×2400B(X)LWS650×2600B(X)

    Throughput
    m3/h≥1≥3~5≥5-10≥10-15≥15-20≥20-30

    Roller diameter
    mm250350450520580650

    Length-to-diameter ratio
    4.14.14.14.14.14

    Speed
    rpm500040003500320030002800

    Separation factor
    350031363087298229482854

    Differential speed
    rpm1~501~351~341~341~301~27

    Main motor power
    kW1122304555/7575/90

    Ancillary motor power (kW)
    kW45.57.51518.522

    Weight
    kg125025004000520065008000

    Boundary dimension (L×W×H)
    mm2500×800×11503700×1050×14003800×1150×16004800×1250×18005300×1750×13825600×1850×1500
    Note: The throughput is related to material characteristics.
    X" indicates that the heavy phase liquid is discharged by the centripetal pump with back pressure;

    The overall dimensions will vary depending on the way the centrifuge is drained.


    Two-phase centrifuge model and technical parameters

    Item

    Unit
    LW250×1025BLW350×1435BLW450×1845BLW520×2150BLW580×2400B

    Throughput
    m3/h0.5-33~108~1515-2020-30

    Roller diameter
    mm250350450520580

    Length-to-diameter ratio
    4.14.14.14.14.1

    Speed
    rpm50004000320030002800

    Separation factor
    35003136258026202546

    Differential speed
    rpm1~501~351~341~341~36

    Main motor power
    kW112230-3745-5575-90

    Ancillary motor power (kW)
    kW45.57.51518.5

    Weight
    kg12502500420052006500

    Boundary dimension (L*W*H)
    mm2500×800×11503700×1050×12004300×1150×14505100×1250×16005520×1450×1700
    Note: The throughput is related to material characteristics.

    ★ Production of oily sludge in the sedimentation tank

    The waste oil from refineries, petrochemical plants, and other industries is usually dumped directly into large sedimentation tanks. The oily sludge produced via sedimentation is called oily sludge in the sedimentation tank.


    ★ Method 1: adopt the high-efficiency LW series two-phase centrifuge treatment plan

    After the oily (waste) water is collected and heated by steam, a suitable number of additives like demulsifier and active agent are added in it, so that the oily water in the emulsified state is broken. After demulsification, the oily (waste) water is naturally settled and separated via the oil trap.


    The oil floating on the upper layer of the oil trap is collected and sent to the oil tank to be further treated, while the water in the middle layer of the oil trap, the oil-water mixture not demulsified, and the sludge settled on the bottom layer are collected and sent to the stirring tank for further treatment. Then, a high efficiency LW series two-phase centrifuge is used to separate continuously the (oil+water)+slag; the water separated and the oil-water mixture not demulsified are treated via the sewage treatment system. The high efficiency LW series two-phase centrifuge can be used to fulfill the task of dehydration. After that, the crude oil residue in the slag phase can be recovered through the combustion or thermo desorption process. Before the ground sludge is heated and broken, it needs to be screened by vibration to remove large mud particles, sand, glass bottles, mineral water bottles, convenient bags, gauze, and other solid wastes. After pulping and demulsification, the large particles of sand and stone can be further removed through the vibrating screen and sent to the centrifuge for separation.


    For the treatment of oily (waste) water, the purpose is to recover more oil and reduce the oil content in the solid. Therefore, the role of each section in the whole process system is very important.


    1. Demulsifier and surfactant can improve the efficiency of demulsification, enhance the subsequent separation efficiency, increase the oil recovery rate, and reduce the oil content in the slag phase.


    2. Heating can reduce oil viscosity, improve the oil recovery rate, and lower the solid contents of oil and water.


    3. Adding PAM flocculant can increase the solid recovery rate and reduce the solid content in the liquid phase.


    4. The use of the high-efficiency LW series three-phase centrifuge can improve the separation efficiency, enhance the oil recovery rate, and reduce the oil content of the slag phase.


    5. Solid-liquid separation realized by using a high-efficiency LW series two-phase centrifuge can reduce the liquid content of the slag phase, facilitate transportation, and increase the combustion heat value.


    Separation performance:


    1,About 70~85% oil can be recovered (relating to oil density, demulsification effect, temperature, etc.), and the recovered oil can be used for refining purpose after further purified by the flottweg separator;


    2,The dryness of the slag phase after centrifugation can reach 40 ~ 60%, and its total volume is reduced by over 80% compared to that before separation;

    Two-phase separation process flow for treatment of ground sludge, sludge at the tank bottom of

    the oil-gas combined station, and oily sludge in the sedimentation tank

    Method 2: adopt the high-efficiency LWS series three-phase centrifuge treatment plan

    After the oily (waste) water is collected and heated by steam, a suitable amount of demulsifier and active agent are added, so that the oily water in the emulsified state is broken. The oil, water, and slag in the oily (waste) water after demulsification is continuously separated from each other with the high-efficiency LWS series three-phase centrifuge. The water separated and the oil-water mixture not demulsified are directly sent to the sewage treatment system for treatment. The task of dehydration can be realized through the LW series two-phase centrifuge. The crude oil residue in the dehydrated slag phase can be recovered by the combustion or thermal desorption process, and the separated oil can be collected and used as crude oil.


    Before the ground sludge is heated and broken, it needs to be screened by vibration to remove large mud particles, sand, glass bottles, mineral water bottles, convenient bags, gauze, and other solid wastes. After pulping and demulsification, the large particles of sand and stone can be further removed through the vibrating screen and sent to the centrifuge for separation.


    Separation performance:

    1,About 80~90% oil can be recovered (relating to oil density, demulsification effect, temperature, etc.), and the recovered oil can be used for refining purpose after further purified by the flottweg separator;


    2,The water content of the oil phase after separation can reach ≤3 ~ 5%;


    3, The dryness of the slag phase after centrifugation can reach 40 ~ 60%, and its total volume is reduced by over 80% compared to that before separation;


    Three-phase separation process flow for treatment of ground sludge, sludge at the tank bottom of

    the oil-gas combined station, and oily sludge in the sedimentation tank

    Cheap High Efficiency Oil Sludge Treatment Separation Sludge Centrifuge for sale
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