CN208843920U - A kind of sludge treatment system - Google Patents
A kind of sludge treatment system Download PDFInfo
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- CN208843920U CN208843920U CN201821049436.XU CN201821049436U CN208843920U CN 208843920 U CN208843920 U CN 208843920U CN 201821049436 U CN201821049436 U CN 201821049436U CN 208843920 U CN208843920 U CN 208843920U
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- greasy filth
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Abstract
The utility model provides a kind of sludge treatment system, including greasy filth collecting pit, three-phase separating device, greasy filth agitator tank, two-phase laminated flow device；It is equipped with blender and heater in greasy filth collecting pit, adds cleaning agent in greasy filth；Three-phase separating device carries out the three phase separation of oil, mud, water to greasy filth, and mud mouth is connected to greasy filth agitator tank；Extractant is inputted in greasy filth agitator tank；Two-phase laminated flow device is inputted through greasy filth agitator tank treated mud, carries out the two-phase laminated flow of mud and extractant；The extractant outlet solvent recovery machine of two-phase laminated flow device, solvent recovery machine are respectively communicated with solvent recovery tank and the second crude oil temporary storage tank；The mud mouth of two-phase laminated flow device is connected to vacuum drier, and vacuum drier is respectively communicated with body refuse collecting pit and solvent recovery tank.The distribution of oil, mud, water in greasy filth is altered in steps in the utility model, makes oil in greasy filth, mud, water separation, recycles the oil in greasy filth, greasy filth oil content minimizes so that treated, is convenient for subsequent resource utilization.
Description
Technical field
The utility model relates to greasy filth to separate disposal technology field, and in particular to a kind of sludge treatment system.
Background technique
Greasy filth refer to petroleum exploitation, refining, transport and oily wastewater during processing caused by solid waste
Object, the approach generated according to it is different, can be divided into: ground sludge, tank bottom oil sludge and " three mud of refinery ".Its feature is mainly wrapped
Include: oil content is high, water content is big, volume is big, most harmful components are big more than discharge standard, complicated component, processing difficulty
Deng.
Oily sludge volume is big, if if being not processed direct emission, not only a large amount of soils can be occupied, but also has evil
Odour generates, and will cause pollution to surrounding soil, air, water body；After petroleum substance contained therein penetrates into soil, meeting
Influence the variation of soil physico-chemical property, such as reduce soil water permeability, the living environment of soil texture and edaphon by
It destroys.In addition, arene substance is very big to the toxicity of people and animals and plants in petroleum, especially polycyclic aromatic hydrocarbon toxicity is bigger.
Multiring aromatic hydrocarbon substance can be entered in humans and animals body by modes such as skin contact, diet intake, breathings, influence its liver, kidney
The normal function of equal organs, or even cause canceration.The migration that petroleum substance also passes through pollution and the pollution of underground water is constituted
To the potential threat on environment for human survival many levels.In " National Hazard waste register ", greasy filth has been cited as HW08 class
Hazardous waste, domestic oil-sludge treatment method mainly has at present: (1) centrifugal separation；(2) pyrolysismethod；(3) sedimentation；(4)
Incineration method；(5) biological treatment etc., there is big, the processing time length that consumes energy in these methods, separation is not thorough or generates secondary dirt
The disadvantages of dye.
Utility model content
The purpose of this utility model is that in view of the deficiencies of the prior art, proposing a kind of sludge treatment system, gradually changing
The distribution for becoming oil, mud, water in greasy filth, enables oil, mud, water in greasy filth to separate, and recycles the oil in greasy filth, so that after processing
Greasy filth oil content minimize, be convenient for subsequent resource utilization.
To achieve the goals above, the utility model adopts the following technical solution:
A kind of sludge treatment system, including the greasy filth collecting pit, three-phase separating device, greasy filth agitator tank, two being sequentially communicated
Phase-separating device；The greasy filth collecting pit is connected to technique water storage tank, and blender and heater are equipped in greasy filth collecting pit, and greasy filth is received
Collect and adds cleaning agent in pond；Three-phase separating device is inputted through greasy filth collecting pit treated greasy filth, carries out the three-phase of oil, mud, water
Separation, three-phase separating device are equipped with water outlet, oil outlet and mud mouth, and mud mouth is connected to greasy filth agitator tank, water outlet, oil outlet
It is respectively communicated with corresponding storage device；The greasy filth agitator tank is connected to solvent tank, and solvent tank is inputted to greasy filth agitator tank to be extracted
Take agent；Two-phase laminated flow device is inputted through greasy filth agitator tank treated mud, carries out the two-phase laminated flow of mud and extractant, two-phase laminated flow
Device includes extractant outlet and mud mouth；The extractant outlet solvent recovery machine of the two-phase laminated flow device, it is described molten
Agent recycling machine includes solvent outlet and crude exports, is respectively communicated with solvent recovery tank and the second crude oil temporary storage tank；The two-phase point
Mud mouth from device is connected to vacuum drier, and vacuum drier includes mud mouth and solvent outlet, is respectively communicated with body refuse collection
Pond and solvent recovery tank.
Further, the water outlet of the three-phase separating device is connected to greasy filth collecting pit.
Further, the three-phase separating device is Three-phase decanter centrifuge.
Further, the two-phase laminated flow device is two-phase horizontal screw centrifuge.
Further, transmission device is equipped between the three-phase separating device and greasy filth agitator tank, transmission device includes passing
It send band and drives the power mechanism of conveyer belt, greasy filth is delivered to greasy filth agitator tank from the communicated band of three-phase separating device.
Further, transmission device is equipped between the two-phase laminated flow device and vacuum drier, transmission device includes passing
It send band and drives the power mechanism of conveyer belt, mud is delivered to vacuum drier from the communicated band of two-phase laminated flow device.
Further, transmission device is equipped between the vacuum drier and body refuse collecting pit, transmission device includes transmission
The power mechanism of band and driving conveyer belt, mud are delivered to body refuse collecting pit from the communicated band of vacuum drier.
Further, the greasy filth collecting pit is equipped with slush pump, and oil, mud, the water after mixing are delivered to three-phase separate together
From device.
Further, the greasy filth agitator tank is electrical heating stirring tank.
The utility model has the advantages that the utility model includes (1) versatility: for different classes of greasy filth, can play and wash well
Effect is washed, the separation of oil, mud is facilitated；(2) innocuousness: environment, animals and plants will not be caused potentially to injure；(3) efficiently
Property: be conducive to the separation of oil, mud, water；The interfacial tension of oil, mud is effectively reduced in the cleaning agent of addition, is conducive to point of oil, mud
From；Effective demulsification can be played simultaneously, is conducive to the separation of oil, water；(4) easily separated: the greasy filth extractant of addition is easy
It is separated with greasy filth, will not remain in greasy filth, avoid dissolvent residual, cause secondary pollution.
The utility model combines greasy filth disposal plants such as " adding medicine heat washing+solvent extraction and centrifuge separation ", both
The advantages of giving full play to each isolation technics solves the disadvantage that each isolation technics, without secondary pollution, separation further through technical combinations
Thoroughly, process cycle is short, continuous operation, suitable for different classes of greasy filth.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Figure label: 1 technique water storage tank, 2 solvent tanks, 3 conveyer belts, 4 greasy filth slurries conveyance conduits, 5 greasy filth collecting pits,
6 blenders, 7 Three-phase decanter centrifuges, 8 greasy filth agitator tanks, 9 two-phase horizontal screw centrifuges, 10 vacuum driers, 11 body refuses are collected
Pond, 12 first crude oil temporary storage tanks, 13 solvent recovery machines, 14 solvent recovery tanks, 15 second crude oil temporary storage tanks.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
As shown in Figure 1, the utility model includes that the greasy filth collecting pit 5 being sequentially communicated, Three-phase decanter centrifuge 7, greasy filth stir
Mix tank 8, two-phase horizontal screw centrifuge 9；The greasy filth collecting pit 5 is connected to technique water storage tank 1, is equipped with blender 6 in greasy filth collecting pit 5
And heater, greasy filth collecting pit 5 is interior to add cleaning agent；Greasy filth collecting pit 5 be equipped with slush pump, by after mixing oil, mud, water together
It is delivered to Three-phase decanter centrifuge 7, carries out the three phase separation of oil, mud, water, Three-phase decanter centrifuge 7 is equipped with water outlet, oil outlet
And mud mouth, mud mouth are connected to greasy filth agitator tank 8, water outlet, oil outlet are respectively communicated with greasy filth collecting pit 5 and the first crude oil is temporary
Tank 12；The greasy filth agitator tank 8 is connected to solvent tank 2, and solvent tank 2 inputs extractant to greasy filth agitator tank 8；It is stirred through greasy filth
Treated the mud of tank 8 inputs two-phase horizontal screw centrifuge 9, carries out the two-phase laminated flow of mud and extractant, and two-phase horizontal screw centrifuge 9 includes
Extractant outlet and mud mouth；The extractant outlet solvent recovery machine 13 of the two-phase horizontal screw centrifuge 9, the solvent return
Receipts machine 13 includes solvent outlet and crude exports, is respectively communicated with solvent recovery tank 14 and the second crude oil temporary storage tank 15；The two-phase
The mud mouth of decanter centrifuge 9 is connected to vacuum drier 10, and vacuum drier 10 includes mud mouth and solvent outlet, is respectively communicated with
Body refuse collecting pit 11 and solvent recovery tank 14.Between three-phase separating device and greasy filth agitator tank, two-phase laminated flow device and vacuum are dry
Between dry machine, transmission device is equipped between vacuum drier and body refuse collecting pit, transmission device includes that conveyer belt and driving pass
The power mechanism of band is sent, mud is delivered to next device from the communicated band of previous device.
The step of handling greasy filth using the utility model is as follows:
(1) according to day output, greasy filth collecting pit 5 is pre-established, reinforced concrete structure is designed as, meets oily sludge
Antiseepage class requirement.Greasy filth collecting pit is equipped with agitating device 6, heating coil, according to the solid-to-liquid ratio of 1:3-1:5 (mass ratio)
Greasy filth and process water are added, heating temperature is 50-80 DEG C, adds cleaning according to 0.5-1% (mass ratio) of greasy filth total amount
Agent mixes stirring 30-60min；
(2) greasy filth under conditions of cleaning agent and heating, reinforce by mobility, and crude oil weakens the cohesive force of mud；Greasy filth is received
Collect pond 5 and slush pump be housed, oil, mud, the water after mixing are delivered to Three-phase decanter centrifuge 7 together, carry out oil, mud, water three
Mutually separate；
(3) oil enters the first crude oil temporary storage tank 12, and to further be dehydrated, the communicated band 3 of mud is delivered to greasy filth agitator tank 8.
Water is recycled to greasy filth collecting pit 5, recycles to reduce operating cost, daily after treatment, unified collect of sewage is sent to oil
Field sewage network；
(4) greasy filth agitator tank 8 is stainless steel material, selects greasy filth agitator tank 8 that need to do obturator, prevents waving for extractant
Hair, greasy filth agitator tank 8 are mainly made of stirring tank body, stirring cover, blender, bearing, transmission device, gland seal device etc., if
Two imports, an outlet are set, convenient for the charging of mud and solvent and the discharging of extract liquor.Equipped with agitating device, heating and heat-insulating device,
Size can be customized according to the yield of mud and the extraction dosage of addition, the greasy filth after three phase separation, still containing the difficult removing in part
Oil and be difficult to the colloid removed, asphalitine, depth separation need to be carried out, according to the similar principle that mixes, organic solvent is selected to make
For extractant.Extractant is added according to 1:1-1:3 (mass ratio) solid-to-liquid ratio by solvent tank 2, heating and temperature control is 40-
60 DEG C, stir 30-60min；
(5) oil remaining in greasy filth, colloid, asphalitine etc. are transferred in extractant under the action of extractant from mud,
It send through pumping to two-phase horizontal screw centrifuge 9, carries out the two-phase laminated flow of extract liquor, mud；
(6) extract liquor isolated, after separating into solvent recovery machine 13, solvent enters solvent recovery tank 14, and oil enters
Second crude oil temporary storage tank 15；The communicated band of mud is delivered to next processing unit；
(7) through second step treated greasy filth, minimizing is fairly obvious, and oil content, moisture content are decreased obviously, but at this time
Mud in can residual fraction extractant and the oil that is not extracted of part, therefore the communicated band of greasy filth is sent into vacuum drier 10,
The organic solvent and oil of evaporation enter solvent recovery tank 14 through condensing recovery, and body refuse enters body refuse collecting pit 11.It thoroughly solves to have
Solvent residual and the halfway problem of oil-sludge treatment, realize greasy filth minimizing, innoxious, are the recycling of next step greasy filth
Using laying a solid foundation.
Specific embodiment 1:
Illustrate the utility model specific embodiment by taking " three mud of refinery " in certain oil field as an example.Selected greasy filth is sticky in aterrimus
Shape, oil, mud, water are tightly combined, no lamination, measure greasy filth oil-containing 11.4% through gravimetric method and oven drying method, aqueous
35.6%, remaining is solid matter.
Using the above-mentioned greasy filth of 10kg is added in greasy filth collecting pit 5 in advance, 30kg process water is added by technique water storage tank 1
And 0.05kg greasy filth cleaning agent, 60 DEG C are heated to, and stir 30min at such a temperature.Sediment pump is opened, by greasy filth cleaning solution
Be sent into Three-phase decanter centrifuge 7 together and carry out oil, water, mud three phase separation: the oil isolated enters the first crude oil temporary storage tank 12；Water
Greasy filth collecting pit 5 is recycled to recycle；The communicated band 3 of silt is delivered to greasy filth agitator tank 8.Thereto by solvent tank 2
10kg greasy filth extractant is injected, is heated to 40 DEG C, and stir 30min at such a temperature.Sediment pump is opened, by greasy filth extract liquor one
Rise and be sent into two-phase horizontal screw centrifuge 9 progress extract liquor, mud two-phase laminated flow: the extract liquor isolated is separated through solvent recovery machine 13
Afterwards, solvent enters solvent recovery tank 14, and oil enters the second crude oil temporary storage tank 15；The communicated band of mud is delivered to vacuum drier 10.
The organic solvent and oil of evaporation enter solvent recovery tank 14 through condensing recovery, and mud is outer after 2h is dry to drain into body refuse collecting pit 11,
To further dispose.
Measuring that treated through gravimetric method and oven drying method, greasy filth oil content is 2.8%, moisture content 16.7%, without obvious
Extractant smell, treated greasy filth gross weight 7.1kg, greasy filth decrement 29% that treated.
Specific embodiment 2:
It chooses for the ground sludge in another oil field and illustrates specific example of the present invention.Greasy filth oil-containing 8.9%, it is aqueous
45.4%, remaining is solid matter.
It is being rejected in greasy filth after biggish stone, branch and house refuse in advance, processing technological flow and addition medicament
Ratio heats washing+solvent extraction and centrifuge separation with example 1, through adding medicine " after the disposing technique that combines, greasy filth oil-containing
1.7%, aqueous 15.4%, without obvious extractant smell, treated greasy filth gross weight 6.1kg, greasy filth decrement that treated
39%.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (9)
1. a kind of sludge treatment system, which is characterized in that including greasy filth collecting pit, three-phase separating device, the greasy filth being sequentially communicated
Agitator tank, two-phase laminated flow device；The greasy filth collecting pit is connected to technique water storage tank, is equipped with blender and heating in greasy filth collecting pit
Device, greasy filth collecting pit is interior to add cleaning agent；Input three-phase separating device through greasy filth collecting pit treated greasy filth, carry out oil, mud,
The three phase separation of water, three-phase separating device are equipped with water outlet, oil outlet and mud mouth, and mud mouth is connected to greasy filth agitator tank；It is described
Greasy filth agitator tank is connected to solvent tank, and solvent tank inputs extractant to greasy filth agitator tank；After greasy filth agitator tank stir process
Mud input two-phase laminated flow device, carry out mud and extractant two-phase laminated flow, two-phase laminated flow device include extractant outlet and go out
Mud mouth；The extractant outlet solvent recovery machine of the two-phase laminated flow device, the solvent recovery machine include solvent outlet and
Crude exports are respectively communicated with solvent recovery tank and the second crude oil temporary storage tank；The mud mouth of the two-phase laminated flow device is connected to vacuum
Drying machine, vacuum drier include mud mouth and solvent outlet, are respectively communicated with body refuse collecting pit and solvent recovery tank.
2. a kind of sludge treatment system according to claim 1, which is characterized in that the water outlet of the three-phase separating device
It is connected to greasy filth collecting pit.
3. a kind of sludge treatment system according to claim 1, which is characterized in that the three-phase separating device is sleeping for three-phase
Screw centrifuge.
4. a kind of sludge treatment system according to claim 1, which is characterized in that the two-phase laminated flow device is sleeping for two-phase
Screw centrifuge.
5. a kind of sludge treatment system according to claim 1, which is characterized in that the three-phase separating device is stirred with greasy filth
It mixes and is equipped with transmission device between tank, transmission device includes the power mechanism of conveyer belt and driving conveyer belt, and greasy filth is from three phase separation
The communicated band of device is delivered to greasy filth agitator tank.
6. a kind of sludge treatment system according to claim 1, which is characterized in that the two-phase laminated flow device and vacuum are dry
Transmission device is equipped between dry machine, transmission device includes the power mechanism of conveyer belt and driving conveyer belt, and mud is filled from two-phase laminated flow
It sets communicated band and is delivered to vacuum drier.
7. a kind of sludge treatment system according to claim 1, which is characterized in that the vacuum drier and body refuse are collected
Transmission device is equipped between pond, transmission device includes the power mechanism of conveyer belt and driving conveyer belt, and mud is passed through from vacuum drier
Conveyer belt is delivered to body refuse collecting pit.
8. a kind of sludge treatment system according to claim 1, which is characterized in that the greasy filth collecting pit is equipped with mud
Pump, is delivered to three-phase separating device for oil, mud, the water after mixing together.
9. a kind of sludge treatment system according to claim 1, which is characterized in that the greasy filth agitator tank stirs for electric heating
Mix tank.
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| CN201821049436.XU CN208843920U (en) | 2018-07-04 | 2018-07-04 | A kind of sludge treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821049436.XU CN208843920U (en) | 2018-07-04 | 2018-07-04 | A kind of sludge treatment system |
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| CN208843920U true CN208843920U (en) | 2019-05-10 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110845101A (en) * | 2019-11-29 | 2020-02-28 | 湖南长岭石化科技开发有限公司 | Oily sludge harmless treatment system and treatment method thereof |
| CN111559841A (en) * | 2020-05-27 | 2020-08-21 | 新疆博云时代环保科技有限公司 | Oil sludge closed-loop treatment system and treatment method thereof |
| CN111826192A (en) * | 2020-07-16 | 2020-10-27 | 华赢管道监测技术服务(湖北)有限公司 | Oil sludge extraction unit, oil sludge extraction assembly, oil sludge treatment device and oil sludge treatment method |
| CN113004929A (en) * | 2021-03-11 | 2021-06-22 | 广西博世科环保科技股份有限公司 | High-concentration oil sludge recovered oil process system |
| WO2023118604A1 (en) | 2021-12-24 | 2023-06-29 | Innovafeed | Installation for treating arthropod larvae, in particular insects and more specifically diptera larvae |
| CN117447049A (en) * | 2023-10-19 | 2024-01-26 | 长春天工环境系统有限公司 | Treatment process of dirty oil sludge by circulating solvent washing method |
-
2018
- 2018-07-04 CN CN201821049436.XU patent/CN208843920U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110845101A (en) * | 2019-11-29 | 2020-02-28 | 湖南长岭石化科技开发有限公司 | Oily sludge harmless treatment system and treatment method thereof |
| CN111559841A (en) * | 2020-05-27 | 2020-08-21 | 新疆博云时代环保科技有限公司 | Oil sludge closed-loop treatment system and treatment method thereof |
| CN111826192A (en) * | 2020-07-16 | 2020-10-27 | 华赢管道监测技术服务(湖北)有限公司 | Oil sludge extraction unit, oil sludge extraction assembly, oil sludge treatment device and oil sludge treatment method |
| CN111826192B (en) * | 2020-07-16 | 2023-08-11 | 华赢管道监测技术服务(湖北)有限公司 | Sludge extraction unit, sludge extraction assembly, sludge treatment device and sludge treatment method |
| CN113004929A (en) * | 2021-03-11 | 2021-06-22 | 广西博世科环保科技股份有限公司 | High-concentration oil sludge recovered oil process system |
| WO2023118604A1 (en) | 2021-12-24 | 2023-06-29 | Innovafeed | Installation for treating arthropod larvae, in particular insects and more specifically diptera larvae |
| FR3131183A1 (en) * | 2021-12-24 | 2023-06-30 | Innovafeed | FACILITY FOR THE TREATMENT OF ARTHROPOD LARVA, AND IN PARTICULAR INSECTS AND MORE SPECIFICALLY DIPTERA LARVA. |
| CN117447049A (en) * | 2023-10-19 | 2024-01-26 | 长春天工环境系统有限公司 | Treatment process of dirty oil sludge by circulating solvent washing method |
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