CN205710354U - The processing means of oil sludge and sand - Google Patents
The processing means of oil sludge and sand Download PDFInfo
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- CN205710354U CN205710354U CN201620393635.7U CN201620393635U CN205710354U CN 205710354 U CN205710354 U CN 205710354U CN 201620393635 U CN201620393635 U CN 201620393635U CN 205710354 U CN205710354 U CN 205710354U
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Abstract
The utility model discloses the processing means of a kind of oil sludge and sand, including Sedimentation tank, be provided with mixing plant in Sedimentation tank, Sedimentation tank connects medicine machine by drug feeding pipeline；The top of Sedimentation tank connects light oil tank by pipeline, the middle part of Sedimentation tank connects clear water reserviors by pipeline, the bottom of Sedimentation tank connects the entrance of mechanical dewatering equipment by pipeline, the filtrate (liquid of mechanical dewatering equipment connects muddy water pond by pipeline, and the cake outlet of mechanical dewatering equipment connects mud cake processing means.This utility model is by modifying mud, jump out the vicious circle relying on tradition desliming agent polymer poly acrylamide (PAM), just moisture content is significantly reduced in dehydration link, it is possible to reduce the energy consumption of subsequent sludge drying, reduce fixed investment and other relevant running costs.
Description
Technical field
This utility model relates to the processing means of a kind of oil sludge and sand.
Background technology
Oil exploitation has resulted in the soil pollution of area of China about 3%, and in " 13 " period and follow-up, oil is opened
Adopt produced oil sludge and sand to carry out separation and burn harmless treatment work, then can not the most arbitrarily stack, fill
Dispose, and historical reasons pile up old oil sludge and sand in the environment, it is also necessary to progressively clear up.
Substantial amounts of oil sludge and sand can be deposited bottom the crude oil storage tank of Oil production sites, oil sludge and sand by heavy oil, a small amount of light oil, earth,
Sands etc. form, and need periodic cleaning, disposal.
It is oil, mud, sand separation to be come that oil sludge and sand processes optimal target.The first step that oil sludge and sand is disposed is to be added by steam
Hot aeration mode, separates sand, removes the poly-mixture of oil that top produces.But, the water that front end steam aeration produces
Contain a large amount of greasy filth mutually to be difficult to process, and oil field all uses polymer poly acrylamide (PAM) DP technology, due to PAM's
Existing, there is Water-In-Oil, oil-in-water labyrinth in greasy filth, causes a large amount of heavy oil mud in aqueous phase to be difficult to deposition dehydrating, shape
The moisture content of the cake become, more than 85%, causes transportation evaporating, emitting, dripping or leaking of liquid or gas, and incineration disposal energy consumption is big, and cost is high.
Utility model content
Technical problem to be solved in the utility model is to provide the processing means of a kind of oil sludge and sand, and it can reduce follow-up mud and do
Dry energy consumption, reduces fixed investment and other relevant running costs.
For solving above-mentioned technical problem, the technical solution of the processing means of this utility model oil sludge and sand is:
Including Sedimentation tank 1, being provided with mixing plant 2 in Sedimentation tank 1, Sedimentation tank 1 connects medicine machine by drug feeding pipeline；Heavy
The top in fall pond 1 connects light oil tank 3 by pipeline, and the middle part of Sedimentation tank 1 connects clear water reserviors 4 by pipeline, Sedimentation tank 1
Bottom connects the entrance of mechanical dewatering equipment 5 by pipeline, and the filtrate (liquid of mechanical dewatering equipment 5 connects muddy water pond by pipeline
6, the cake outlet of mechanical dewatering equipment 5 connects mud cake processing means 7.
Described mixing plant 4 includes that agitator arm, agitator arm are arranged at the bottom of rotary shaft, and the top of rotary shaft connects driving
Motor；Drive motor that rotary shaft can be driven to rotate, thus drive agitator arm to be stirred in Sedimentation tank 1.
It is provided with dosing pump, it is achieved quantitatively dosing in the dilution aqueous phase determine volume in described drug feeding pipeline.
Described mechanical dewatering equipment 2 is vacuum filtration machine, pressing filter, centrifugal separator, screw extruding filter, sheet frame
One in formula pressure filter, belt filter press.
Described mud cake processing means 3 is drying equipment and/or burning facility.
Described Sedimentation tank 1 is tube settler pond.
What this utility model can reach has the technical effect that
This utility model, by modifying mud, jumps out the vicious circle relying on tradition desliming agent polymer poly acrylamide (PAM),
Just moisture content is significantly reduced in dehydration link, it is possible to reduce the energy consumption of subsequent sludge drying, reduce fixed investment and other are correlated with
Running cost.
The natural polymer that this utility model is used compounds component with substantial amounts of functional groups, has three-dimensional synergism,
Under the effect of crane span structure reagent cationic, in suitable pH value range, by " bridging ", " electrically neutralizing " and chemistry
Reaction, by ionic bond, hydrogen bond, Van der Waals force, adsorbs multiple particle simultaneously, produces and build bridge between granule, it is possible to make difficult fall
The solid suspension granule, somatic cells and the colloid net that solve are caught in three dimensional network structure, thus coagulation rapidly, clear with aqueous phase
Separate.
This utility model utilizes natural polymer to compound component and crane span structure reagent, the mating reaction of pH adjusting agent, it is possible to containing heavy oil
Mud produces obvious modification effect, by centrifugal or filter-press dehydration, is formed than common flocculant such as PAM, aluminium polychlorid etc.
Moisture content of the cake low at least 10%, convenient outward transport burns, and the energy consumption of the follow-up burning dry mud of harmless treatment unit is substantially reduced,
And the treating capacity of unit volume incinerator unit interval can increase, and subsequent treatment efficiency is greatly improved.
The isolated aqueous phase of this utility model institute is limpid, and solid content is low, can repeatedly use.
In processing method of the present utility model, the consumption of crane span structure reagent and pH adjusting agent is less than the 20% of traditional method consumption.
Technique of the present utility model is simple, low for equipment requirements, it is not necessary to heating, as long as water body does not freezes.
Accompanying drawing explanation
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is the schematic diagram of the processing means of this utility model sewage disposal solid waste.
Description of reference numerals in figure:
1 is Sedimentation tank, and 2 is mixing plant,
3 is light oil tank, and 4 is clear water reserviors,
5 is mechanical dewatering equipment, and 6 is muddy water pond,
7 is mud cake processing means.
Detailed description of the invention
As it is shown in figure 1, the processing means of this utility model oil sludge and sand, including Sedimentation tank 1, it is provided with stirring in Sedimentation tank 1 and sets
Standby 2, Sedimentation tank 1 connects medicine machine by drug feeding pipeline；Dosing pump can be set in drug feeding pipeline, it is achieved quantitatively to determining body
Dosing in long-pending dilution aqueous phase；
The top of Sedimentation tank 1 connects light oil tank 3 by pipeline, and the middle part of Sedimentation tank 1 connects clear water reserviors 4, sedimentation by pipeline
The bottom in pond 1 connects the entrance of mechanical dewatering equipment 5 by pipeline；Mechanical dewatering equipment 5 is provided with two outlets, one of them
For filtrate (liquid, another is cake outlet；The filtrate (liquid of mechanical dewatering equipment 5 connects muddy water pond 6, machinery by pipeline
The cake outlet of dehydration equipment 5 connects mud cake processing means 7；
Mixing plant 2 includes that agitator arm, agitator arm are arranged at the bottom of rotary shaft, and the top of rotary shaft connects driving motor；
Drive motor that rotary shaft can be driven to rotate, thus drive agitator arm to be stirred in Sedimentation tank 1.
This utility model employing natural polymer compounds component and oil sludge and sand is carried out modifying process, comprises the following steps:
The first step, is invested in oil sludge and sand in water, obtains the dilution water body containing sludge mixture；
The weight ratio of oil sludge and sand and water is between 1:2 to 1:20；
This oil sludge and sand is the deposit in the crude oil storage tank of Oil production sites；
Oil sludge and sand directly can be invested in water；First oil sludge and sand can also be carried out pretreatment, be invested in the most again in water；
Pretreatment can be by the most parts of sand in steam aeration mode removing oil sludge and sand and a part poly-mixture of oil；
Second step, by modifying process medicament dissolution in dilution water body, obtains aqueous solution；
Modifying process medicament at least includes that natural polymer compounds component, crane span structure reagent, pH adjusting agent；
Wherein, natural polymer compounds component and the percent by volume diluting water body is 1 ‰～5 ‰；
Natural polymer compounds component and includes the components such as polysaccharide, protein, polypeptide；
Crane span structure reagent includes one or more in bodied ferric sulfate, polymeric ferric aluminum, aluminium polychlorid, calcium oxide, calcium hydroxide；
Crane span structure reagent place cation total concentration is between 1mmol/L～20mmol/L；
PH adjusting agent includes calcium oxide, calcium hydroxide, sodium hydroxide, potassium hydroxide etc.；
By controlling the usage amount of pH adjusting agent, the pH value of aqueous solution is made to control between 7～13；
3rd step, is stirred aqueous solution, stands rear solution layering, and upper strata is C2～C4 light oil；Middle level is limpid
Aqueous phase, enters clear water reserviors 4, the repeatable utilization of this aqueous phase；Lower floor be modification after containing heavy oil mud；
Stirring means can use mechanical agitation or aeration agitation；
4th step, by the light oil overflow collection on upper strata；The repeatable utilization of middle level aqueous phase, it is also possible to for washed-out sand；By machinery
The mud containing heavy oil of lower floor is dehydrated by evaporation, obtains mud cake；The muddy water that desliming produces enters muddy water pond 6；
Mechanical dehydration method can be vacuum filtration, pressure filtration, centrifugation, screw extruding filtration, plate and frame filter pressing, belt
The modes such as filter pressing.
The mud cake character of this utility model gained changes, and moisture content is less than 75%, the mud cake volume of its volume ratio more than 85% moisture content
Much smaller, will not evaporating, emitting, dripping or leaking of liquid or gas, conveniently outward transport disposal.
The natural polymer that this utility model is used compounds component and can degrade voluntarily, non-secondary pollution problem, to humans and animals without
Any side effect.
Embodiment 1:
Certain oil extraction in oil field produces oil sludge and sand
This oil sludge and sand has universality and representativeness in China, processes currently without good way, and treatment effeciency is the lowest, special
A large amount of water bodys of producing after desanding and the poly-mixture of oil due to or containing heavy oil, polymer, Shao Liangsha, mud, be difficult to
Dispose, after only containing heavy oil mud and water sharp separation, the just convenient mud subsequent treatment in heavy oil, and water can reuse,
Without the water containing heavy oil mud through repeatedly utilizing Hou Yekequ oil field sewage treatment plant to dispose.Use place of the present utility model science and engineering
Skill, can will be reduced to less than 75% containing the moisture content of heavy oil mud.
Technological process: early stage is according to oil sludge and sand: the part by weight mixed diluting of water=1:3, gross weight is 4 tons, passes through steam
Aeration removes major part sand and the poly-mixture of oil；The middle natural polymer that successively adds containing heavy oil sludge water body compounds component, polymerization
Iron sulfate, calcium hydroxide, wherein natural polymer compounds component is 1 ‰ (percents by volume), and bodied ferric sulfate closes ferrum total concentration
4.5mmol/L, with calcium hydroxide regulation pH value to 7.5；Mechanical agitation 5min；After standing 40min, scrape off upper strata light oil,
Intermediate layer clear water discharges washed-out sand, and lower floor's mud in heavy oil is dehydrated by horizontal screw centrifuge.
Result: detect through third party, the moisture content of the cake 75% produced containing heavy oil mud；Greasy filth through range estimation, mud cake and initial stage
Sand form is completely different, is no longer pasty state viscous slurry, it is easy to transport, incineration disposal.
Embodiment 2:
Certain oil field left over by history ageing oil silt particle
This ageing oil silt particle is long due to ageing time, and hardenability is high, the most difficult, it is necessary first to pulverized by ageing oil silt particle thin
Change, then dilute immersion with water according to a certain percentage, finally dispose according to the process technique of new oil sludge and sand.
Technological process: taking ageing oil silt particle and 900g water that 100g pulverizes, mixed dissolution, in 1L beaker, is sufficiently stirred for；First
Rear addition natural polymer compounds component, bodied ferric sulfate, calcium hydroxide, and wherein natural polymer compounds component 1.2 ‰ (body
Long-pending percentage ratio), bodied ferric sulfate closes ferrum total concentration 6mmol/L, with calcium hydroxide regulation pH value to 7.5；Mechanical agitation 2min；
Stand 40min；Lower sediment is dehydrated by vacuum filtration mode.
Result: drying and be dried before and after the heaviest, after sucking filtration mode is dehydrated, moisture content of the cake is 75%；Filter cake is honeycomb cracks,
Color is become brown from black, illustrates to modify effect obvious.
Claims (6)
1. the processing means of an oil sludge and sand, it is characterised in that include Sedimentation tank, is provided with mixing plant in Sedimentation tank, sedimentation
Pond connects medicine machine by drug feeding pipeline；The top of Sedimentation tank connects light oil tank by pipeline, and the middle part of Sedimentation tank is by pipe
Road connects clear water reserviors, and the bottom of Sedimentation tank connects the entrance of mechanical dewatering equipment, the filtrate (liquid of mechanical dewatering equipment by pipeline
Connecting muddy water pond by pipeline, the cake outlet of mechanical dewatering equipment connects mud cake processing means.
The processing means of oil sludge and sand the most according to claim 1, it is characterised in that: described mixing plant includes agitator arm,
Agitator arm is arranged at the bottom of rotary shaft, and the top of rotary shaft connects driving motor；Drive motor that rotary shaft can be driven to rotate,
Thus drive agitator arm to be stirred in Sedimentation tank.
The processing means of oil sludge and sand the most according to claim 1, it is characterised in that: it is provided with metering in described drug feeding pipeline
Pump, it is achieved quantitatively dosing in the dilution aqueous phase determine volume.
The processing means of oil sludge and sand the most according to claim 1, it is characterised in that: described mechanical dewatering equipment is that vacuum is taken out
One in filter, pressing filter, centrifugal separator, screw extruding filter, plate and frame type filter-press, belt filter press.
The processing means of oil sludge and sand the most according to claim 1, it is characterised in that: described mud cake processing means sets for being dried
Standby and/or burning facility.
The processing means of oil sludge and sand the most according to claim 1, it is characterised in that: described Sedimentation tank is tube settler pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620393635.7U CN205710354U (en) | 2016-05-03 | 2016-05-03 | The processing means of oil sludge and sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620393635.7U CN205710354U (en) | 2016-05-03 | 2016-05-03 | The processing means of oil sludge and sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205710354U true CN205710354U (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620393635.7U Expired - Fee Related CN205710354U (en) | 2016-05-03 | 2016-05-03 | The processing means of oil sludge and sand |
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| CN (1) | CN205710354U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105906175A (en) * | 2016-05-03 | 2016-08-31 | 上海幸使环保科技有限公司 | Treatment method and treatment device of oil sludge sand |
| CN107057787A (en) * | 2017-03-21 | 2017-08-18 | 浙江大学 | The method that coal conversion waste water cascade utilization prepares fuel slurry |
-
2016
- 2016-05-03 CN CN201620393635.7U patent/CN205710354U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105906175A (en) * | 2016-05-03 | 2016-08-31 | 上海幸使环保科技有限公司 | Treatment method and treatment device of oil sludge sand |
| CN107057787A (en) * | 2017-03-21 | 2017-08-18 | 浙江大学 | The method that coal conversion waste water cascade utilization prepares fuel slurry |
| CN107057787B (en) * | 2017-03-21 | 2018-08-24 | 浙江大学 | The method that coal conversion waste water cascade utilization prepares fuel slurry |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20170503 |