CN108379880A - A kind of separation equipment and separation method of the oil water mixture containing coke powder - Google Patents
A kind of separation equipment and separation method of the oil water mixture containing coke powder Download PDFInfo
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- CN108379880A CN108379880A CN201810231790.2A CN201810231790A CN108379880A CN 108379880 A CN108379880 A CN 108379880A CN 201810231790 A CN201810231790 A CN 201810231790A CN 108379880 A CN108379880 A CN 108379880A
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- demulsification
- coke powder
- oil water
- separation
- hydrocyclone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/04—Breaking emulsions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0217—Separation of non-miscible liquids by centrifugal force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/26—Separation of sediment aided by centrifugal force or centripetal force
- B01D21/267—Separation of sediment aided by centrifugal force or centripetal force by using a cyclone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/28—Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like
- B01D21/283—Settling tanks provided with vibrators
Abstract
The invention discloses a kind of separation equipments and separation method of the oil water mixture containing coke powder.The separation equipment of the oil water mixture containing coke powder includes pretreatment system and liquid-liquid-solid piece-rate system, the pretreatment system includes the demulsification tank for carrying out demulsification processing to the mixture, the demulsification tank connection inlet tube and reagent adding tube, the demulsification tank is internally connected with ultrasonic generator and microwave generating apparatus, the liquid-liquid-solid piece-rate system includes hydrocyclone, and high-pressure pump is connected between the demulsification tank and the hydrocyclone.The separation method is the formulation agents solution that demulsifier and flocculant are added into the mixture, and demulsification processing is carried out to the mixture；Will demulsification treated mixture the is transported to hydrocyclone, carry out grease and consolidate three phase separation.The separation equipment and separation method of the present invention can improve the separative efficiency that grease consolidates three-phase mixture, reduce occupation area of equipment.
Description
Technical field
The present invention relates to out of phase separation technology fields more particularly to a kind of separation of the oil water mixture containing coke powder to set
Standby and separation method.
Background technology
Since water resource and coal resources are in contrary distribution relationship, current water resource, which has become, influences China's Chemical Industry
The primary factor of development.Therefore, during coal chemical technology and industrialized development, should actively develop and apply wastewater treatment and
Reuse technology.However, China is when introducing and developing coal chemical industry core technology, it is often useless without introducing in time and developing coal chemical industry
Water technology, such as compared with Chinese large-sized Coal Gasification Technology, mating wastewater processing technology is backward.Coal chemical industrial waste water is
A kind of high concentrated organic wastewater more than the hard-degraded substance that pollutant component is extremely complex, contains oils, phenols, cyanide, sulphur
The multiple pollutants such as compound.Wherein, though oil pollutant is not belonging to one of the polluter of China's priority acccess control, in coal chemical industry
Difficult pollutant is also belonged in wastewater treatment, if oil pollutant processing is bad, can subsequent processing units be brought with a system
Row influence.Some coke powders in same waste water can form tar, form solid emulsion, coke fines size is smaller, and emulsion is more steady
It is fixed.Although the oil pollutant and coke powder content in coal chemical industrial waste water be not high, very difficult.
It is industrially usually adopted when being handled for high dispersive, high emulsification and highly viscous emulsion containing the dregs of fat at present
De-emulsification flocculent is carried out with demulsifier and flocculant, the separation of grease is then reached using oil separator and floation tank, and selects precipitation
The purpose of particulate matter in pond or filtering ponds separation water.Single demulsification and flocculation universality are poor, it is difficult to adapt to complicated and diversified breast
The demulsification of shape liquid, and after carrying out chemical method demulsification using demulsifier and flocculant due to lotions such as crude oil and sewage etc., detaching
New chemical reagent is introduced in rear water phase or oil phase, difficulty is increased for follow-up be further processed.Further, since demulsifier
There is certain toxicity with flocculant itself, can cause damages to human body and environment, chemical reagent usage amount makes greatly solvent return
Energy consumption during receipts increases.And traditional separation equipment take up a large area, with duration, efficiency is low and energy consumption is big, increase
Processing cost.
In view of high dispersive of the current processing containing coke powder, high emulsification and highly viscous oil water mixture, there are still some above-mentioned
Energy consumption is big, efficiency is low and the defect of secondary pollution etc., and there is an urgent need for a kind of high dispersive of processing containing coke powder, high emulsification and high viscositys
Oil water mixture separation device and method, to improve the separative efficiency that grease consolidates three-phase mixture.
Invention content
It is an object of the invention to propose a kind of separation equipment and separation method of the oil water mixture containing coke powder, to improve
Grease consolidates the separative efficiency of three-phase mixture, reduces occupation area of equipment.
For this purpose, the present invention uses following technical scheme：
A kind of separation equipment of the oil water mixture containing coke powder, including pretreatment system and liquid-liquid-solid separation system, institute
It includes the demulsification tank for carrying out demulsification processing to the mixture to state pretreatment system, the demulsification tank connection inlet tube and examination
Agent adding tube, the demulsification tank is internally connected with ultrasonic generator and microwave generating apparatus, Gu the liquid-liquid-segregative line
System includes hydrocyclone, high-pressure pump is connected between the demulsification tank and the hydrocyclone, the hydrocyclone is also
It is connected with wastewater disposal basin, slop tank and sand trap cavity, the wastewater disposal basin is for collecting the waste water isolated, and the slop tank is for collecting
The sump oil for the liquid isolated, the sand trap cavity is for collecting the solid matter isolated.
A kind of preferred embodiment of separation equipment as the above-mentioned oil water mixture containing coke powder is also set up in the demulsification tank
It is useful for the blender of stirring mixture.
A kind of preferred embodiment of separation equipment as the above-mentioned oil water mixture containing coke powder, the ultrasonic generator packet
The ultrasonic transducer and supersonic generator of interconnection are included, the ultrasonic transducer is arranged in the demulsification tank.
A kind of preferred embodiment of separation equipment as the above-mentioned oil water mixture containing coke powder, the microwave generating apparatus packet
Waveguide and magnetron are included, the waveguide stretches into the demulsification tank.
A kind of preferred embodiment of separation equipment as the above-mentioned oil water mixture containing coke powder, the hydrocyclone include
Cylindrical section, the first cone section, sand trap and the second cone section from top to bottom set gradually, the top of the cylindrical section is provided with overflow
Mouthful, the side of the cylindrical section is provided with inlet, and the side of the sand trap is communicated with sand trap cavity, and described second bores under section
Side is provided with underflow opening.
A kind of preferred embodiment of separation equipment as the above-mentioned oil water mixture containing coke powder, described in overflow port connection
Slop tank, the underflow opening connect the wastewater disposal basin.
A kind of separation method of the oil water mixture containing coke powder carries out separating mixture using above-mentioned separation equipment, including
Following steps：
The formulation agents solution of demulsifier and flocculant is added into the mixture, the mixture is carried out at demulsification
Reason；
Will demulsification treated mixture the is transported to hydrocyclone, carry out grease and consolidate three phase separation.
Demulsifier and flocculation is being added in a kind of preferred embodiment of separation method as the above-mentioned oil water mixture containing coke powder
Biosurfactant is added into the mixture while formulation agents solution of agent.
A kind of preferred embodiment of separation method as the above-mentioned oil water mixture containing coke powder controls in the demulsification tank
Temperature range be 30-60 DEG C, preferably 40-50 DEG C, for example, 32 DEG C, 35 DEG C, 38 DEG C, 43 DEG C, 45 DEG C, 47 DEG C, 52 DEG C, 55 DEG C
Or 58 DEG C.
A kind of preferred embodiment of separation method as the above-mentioned oil water mixture containing coke powder is added in the mixture broken
After the formulation agents solution and biosurfactant of emulsion and flocculant, mixture is stirred, mixing time 2-
3min, for example, mixing time be 2.1min, 2.2min, 2.3min, 2.4min, 2.5min, 2.6min, 2.7min, 2.8min or
2.9min。
A kind of preferred embodiment of separation method as the above-mentioned oil water mixture containing coke powder, described in the mixture enters
Before hydrocyclone, controls ultrasonic generator and microwave generating apparatus generates ultrasonic wave and microwave respectively, and pass through ultrasonic wave
Demulsification processing is carried out to the mixture with microwave.
A kind of preferred embodiment of separation method as the above-mentioned oil water mixture containing coke powder, passes through ultrasonic wave and microwave pair
When the mixture carries out demulsification processing, the ranging from 200-500W of ultrasonic power, preferably 300W or 400W, microwave power
Ranging from 700-1000W, preferably 800W or 900W.
A kind of preferred embodiment of separation method as the above-mentioned oil water mixture containing coke powder, the biosurfactant
For glycolipid, saccharose lipid, lipopeptid or neutral lipid derivative.
A kind of preferred embodiment of separation method as the above-mentioned oil water mixture containing coke powder, the biosurfactant
The biosurfactant solution for being 1% for mass fraction, it is preferable that the volume of the biosurfactant solution is 2-
5mL can also be 3mL or 4mL.
A kind of preferred embodiment of separation method as the above-mentioned oil water mixture containing coke powder, the demulsifier and flocculant
Formulation agents solution in the mass fraction of demulsifier and flocculant be 0.4-1.0%, can also be 0.5%, 0.6%,
0.7%, 0.8% or 0.9%, it is preferable that the volume of the formulation agents solution of the demulsifier and flocculant is 40-100mL, example
Such as can be 50mL, 60mL, 70mL, 80mL or 90mL.
Beneficial effects of the present invention：
The separation equipment of oil water mixture proposed by the present invention containing coke powder, Gu including pretreatment system and liquid-liquid-separation
System, main component are respectively be demulsified tank and waterpower current divider so that the floor space of the separation equipment is small, and in waterpower
The separative efficiency of waterpower current divider can be improved by carrying out demulsification processing in demulsification tank before current divider.
The separation method of oil water mixture proposed by the present invention containing coke powder, is demulsified by chemical reagent solution, when
Mixture enters after hydrocyclone the separative efficiency that can improve waterpower current divider；Chemical reagent combination biosurfactant
When carrying out demulsification processing jointly, the separative efficiency higher of waterpower current divider, therefore by the change in demulsification tank in the separation method
After learning processing and/or biological treatment, oil, water, the separative efficiency of three-phase effectively improves admittedly, reduces energy consumption, reduces place
Manage cost.
Description of the drawings
Fig. 1 is the structural representation of the separation equipment for the oil water mixture containing coke powder that the specific embodiment of the invention provides
Figure.
Wherein, 1, demulsification tank；2, ultrasonic generator；3, microwave generating apparatus；4, hydrocyclone；5, high-pressure pump；6、
Wastewater disposal basin；7, slop tank；8, sand trap cavity；
11, inlet tube；12, reagent adding tube；13, blender；
21, ultrasonic transducer；22, supersonic generator；
31, waveguide；32, magnetron；
41, cylindrical section；42, the first cone section；43, sand trap；44, the second cone section.
Specific implementation mode
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
The test of oil content uses infrared spectrophotometer in oily waste water in present embodiment.Specially：It uses first
Carbon tetrachloride extracts oil, and extraction time 15min, time of repose 15min, then using carbon tetrachloride as reference liquid, use is red
Outer oil content analyzer measures three wave number (2930cm-1、2960cm-1、3030cm-1) under oil content, the average value of three oil contents is
To measure obtained oil concentration.
The content of solid particulate matter is measured using gravimetric method (GB11901-89) in oily waste water in present embodiment.
Waste water in following embodiment is practical coal chemical industrial waste water.
Comparative example 1
It takes above-mentioned 20mL coal chemical industrial waste waters to survey its oil content Ci, 100mL coal chemical industrial waste waters is separately taken to survey its solid particulate matter
Waste water is added by pumping action in reservoir, mixed liquor is entered water with the flow of 2.5m3/h by the effect of pump by content Mi
Power cyclone 4 detaches oil, water, the solid in waste water by hydrocyclone 4.20mL overflow port streams are taken after separation
Go out liquid and survey its oil content Co, take the solid particulate matter of sand trap cavity 8 and survey its content Mu, then 4 overflow of hydrocyclone is used to suck
The value that Co/Ci is obtained, is denoted as the oil removal rate E1 of hydrocyclone 4 by oil concentration Co divided by entrance oil concentration Ci.It is revolved with waterpower
It flows 4 sand trap cavity of device, 8 Mu of object amount containing solid particle divided by enters to suck solid particulate matter amount Mi, Mu/Mi is denoted as hydrocyclone 4
Except sand coarse aggregate ratio G1.
Embodiment 1
Coal chemical industrial waste water is placed in demulsification tank 1.And the demulsifier of 100mL and answering for flocculant is added into demulsification tank 1
With chemical reagent solution, wherein the mass fraction of demulsifier and flocculant is in the formulation agents solution of demulsifier and flocculant
1%；The temperature controlled in the demulsification tank 1 remains 40 DEG C, the mixed solution stirring 2- for being used in combination blender 13 to be demulsified in tank 1
3min makes the compound chemical reagent of demulsifier and flocculant be dispersed in mixed solution.Then it will be mixed by high-pressure pump 5
Liquid is with 2.5m3The flow of/h is pumped into hydrocyclone 4, is detached to oil, water, the solid in waste water by hydrocyclone 4.
Mixed liquor takes 20mL overflow port effluxes to survey its oil content Co after separation, takes 8 solid particulate matter of sand trap cavity to survey and surveys its content
Mu；Then hydrocyclone 4 overflow port oil concentration Co divided by entrance oil concentration Ci are used, the value that Co/Ci is obtained is denoted as water
The oil removal rate E2 of power cyclone 4；With 4 sand trap cavity of hydrocyclone, 8 Mu containing solid particulate matter content divided by entrance solid particulate matter
Content Mi, by Mu/Mi be denoted as hydrocyclone 4 remove sand coarse aggregate ratio G2.
Embodiment 2
Coal chemical industrial waste water is placed in demulsification tank 1.The compounding of the demulsifier and flocculant of 100mL is added into demulsification tank 1
The mass fraction of demulsifier and flocculant is 1% in the formulation agents solution of chemical reagent solution, wherein demulsifier and flocculant；
The glycolipid sample of 2mL is added into demulsification tank 1 simultaneously, the wherein mass fraction of glycolipid is 1%.It controls in the demulsification tank 1
Temperature remains 40 DEG C, and the mixed solution stirring 2-3min for being used in combination blender 13 to be demulsified in tank 1 makes answering for demulsifier and flocculant
It is dispersed in mixed solution with chemical reagent.Then by high-pressure pump 5 by mixed liquor with 2.5m3The flow of/h is pumped into waterpower
Cyclone 4 detaches oil, water, the solid in waste water by hydrocyclone 4.Mixed liquor takes 20mL overflows after separation
Mouth efflux surveys its oil content Co, takes 8 solid particulate matter of sand trap cavity and surveys its content Mu；Then 4 overflow port of hydrocyclone is used
The value that Co/Ci is obtained, is denoted as the oil removal rate E3 of hydrocyclone 4 by oil concentration Co divided by entrance oil concentration Ci；Use waterpower
4 sand trap cavity of cyclone 8 Mu containing solid particulate matter content divided by entrance solid particulate matter content Mi, hydraulic cyclone is denoted as by Mu/Mi
Device 4 removes sand coarse aggregate ratio G3.
Embodiment 3
The present embodiment difference from Example 2 is, in the formulation agents solution of demulsifier and flocculant demulsifier and
The mass fraction of flocculant is 0.8%, while the glycolipid sample of 5mL, the oil removal rate of hydrocyclone 4 being added into demulsification tank 1
Sand coarse aggregate ratio of removing for E4, hydrocyclone 4 is G4.
Embodiment 4
The present embodiment difference from Example 2 is, in the formulation agents solution of demulsifier and flocculant demulsifier and
The mass fraction of flocculant is 0.4%, while the glycolipid sample of 3mL, the oil removal rate of hydrocyclone 4 being added into demulsification tank 1
Sand coarse aggregate ratio of removing for E5, hydrocyclone 4 is G5.
Embodiment 5
Coal chemical industrial waste water is placed in demulsification tank 1.The compounding of the demulsifier and flocculant of 100mL is added into demulsification tank 1
The mass fraction of demulsifier and flocculant is 1% in the formulation agents solution of chemical reagent solution, wherein demulsifier and flocculant；
The glycolipid sample of 2mL is added into demulsification tank 1 simultaneously, the wherein mass fraction of glycolipid is 1%.It controls in the demulsification tank 1
Temperature remains 40 DEG C, and the mixed solution stirring 2-3min for being used in combination blender 13 to be demulsified in tank 1 makes answering for demulsifier and flocculant
It is dispersed in mixed solution with chemical reagent；On the basis of above-mentioned, control ultrasonic generator 2 and microwave generating apparatus 3 divides
Not Chan Sheng ultrasonic wave and microwave, and the demulsification that 2min is carried out by ultrasonic wave and microwave to the mixture in demulsification tank 1 is handled, and
And control ultrasonic power is 400W, microwave power 800W.Then by high-pressure pump 5 by mixed liquor with 2.5m3The flow pump of/h
Enter hydrocyclone 4, oil, water, the solid in waste water are detached by hydrocyclone 4.Mixed liquor takes after separation
20mL overflow port effluxes survey its oil content Co, take 8 solid particulate matter of sand trap cavity and survey its content Mu；Then hydrocyclone is used
The value that Co/Ci is obtained, is denoted as the oil removal rate E6 of hydrocyclone 4 by 4 overflow port oil concentration Co divided by entrance oil concentration Ci；
With 4 sand trap cavity of hydrocyclone 8 Mu containing solid particulate matter content divided by entrance solid particulate matter content Mi, Mu/Mi is denoted as water
Power cyclone 4 removes sand coarse aggregate ratio G6.
Embodiment 6
The present embodiment and embodiment 5 the difference is that, be demulsified in tank 1 and the demulsifier of 80mL and answering for flocculant be added
With chemical reagent solution, the oil removal rate of hydrocyclone 4 is E7, and the sand coarse aggregate ratio of removing of hydrocyclone 4 is G7.
Embodiment 7
The present embodiment and embodiment 5 the difference is that, be demulsified in tank 1 and the demulsifier of 60mL and answering for flocculant be added
With chemical reagent solution, the oil removal rate of hydrocyclone 4 is E8, and the sand coarse aggregate ratio of removing of hydrocyclone 4 is G8.
Embodiment 8
The present embodiment and embodiment 5 the difference is that, be demulsified in tank 1 and the demulsifier of 40mL and answering for flocculant be added
With chemical reagent solution, the oil removal rate of hydrocyclone 4 is E9, and the sand coarse aggregate ratio of removing of hydrocyclone 4 is G9.
Embodiment 9
The present embodiment and embodiment 5 the difference is that, be demulsified in tank 1 and the demulsifier of 0mL and answering for flocculant be added
With chemical reagent solution, the oil removal rate of hydrocyclone 4 is E10, and the sand coarse aggregate ratio of removing of hydrocyclone 4 is G10.
Embodiment 10
The present embodiment and embodiment 2 the difference is that, the temperature controlled in the demulsification tank 1 remains 30 DEG C, water
The oil removal rate of power cyclone 4 is E11, and the sand coarse aggregate ratio of removing of hydrocyclone 4 is G11.
Embodiment 11
The present embodiment and embodiment 2 the difference is that, the temperature controlled in the demulsification tank 1 remains 50 DEG C, water
The oil removal rate of power cyclone 4 is E12, and the sand coarse aggregate ratio of removing of hydrocyclone 4 is G12.
Embodiment 12
The present embodiment and embodiment 2 the difference is that, the temperature controlled in the demulsification tank 1 remains 60 DEG C, water
The oil removal rate of power cyclone 4 is E13, and the sand coarse aggregate ratio of removing of hydrocyclone 4 is G14.
Embodiment 13
The present embodiment and embodiment 5 the difference is that, the oil removal rate of ultrasonic power 300W, hydrocyclone 4 are
The sand coarse aggregate ratio of removing of E14, hydrocyclone 4 are G14.
Embodiment 14
The present embodiment and embodiment 5 the difference is that, the oil removal rate of ultrasonic power 200W, hydrocyclone 4 are
The sand coarse aggregate ratio of removing of E15, hydrocyclone 4 are G15.
Embodiment 15
The present embodiment and embodiment 5 the difference is that, the oil removal rate of ultrasonic power 500W, hydrocyclone 4 are
The sand coarse aggregate ratio of removing of E16, hydrocyclone 4 are G16.
Embodiment 16
The present embodiment and embodiment 5 the difference is that, the oil removal rate of microwave power 700W, hydrocyclone 4 are
The sand coarse aggregate ratio of removing of E17, hydrocyclone 4 are G17.
Embodiment 17
The present embodiment and embodiment 5 the difference is that, the oil removal rate of microwave power 900W, hydrocyclone 4 are
The sand coarse aggregate ratio of removing of E18, hydrocyclone 4 are G18.
Embodiment 18
The present embodiment and embodiment 5 the difference is that, the oil removal rate of microwave power 1000W, hydrocyclone 4 are
The sand coarse aggregate ratio of removing of E19, hydrocyclone 4 are G19.
It is molten that glycolipid sample in embodiment 2-18 is replaced with into polysaccharide lipoprotein solution, lipopeptide solution or neutral lipid derivative
Liquid, through experiment, acquired results and corresponding embodiment 2-18 acquired results are essentially identical.
The separative efficiency of hydrocyclone 4 is as shown in Table 1 under the conditions of different pretreatments.
Table one
Table one shows the influence to 4 separative efficiency of hydrocyclone under different pretreatment conditions.
With reference to table one, can be obtained by the result of comparative example 1 and embodiment 2-18：Only pass through 4 oil-water separation of hydrocyclone
Gu the separative efficiency of three-phase be not so good as by pretreatment (chemical reagent, biosurfactant is added and by ultrasonic emulsion breaking and
Microwave demulsifying) separative efficiency it is high.
From the result of embodiment 1 and embodiment 2：Biosurfactant and chemical reagent be added simultaneously in waste water into
4 separative efficiency of hydrocyclone can be improved when row pretreatment.And the addition of biosurfactant can reduce chemical examination
The reduction of agent concentration, chemical agent concentration influences less the separative efficiency of hydrocyclone 4.Therefore, biosurfactant
Use can improve hydrocyclone 4 separative efficiency can reduce again with pollution and toxicity chemical reagent use,
Sewage disposal burden can be mitigated.
By the result of embodiment 5-9 it is found that ultrasonic dehydration, microwave demulsifying combination chemical reagent and Bio-surface active
After agent, 4 separative efficiency of hydrocyclone is enabled to largely to be improved, and demulsifier and flocculant can be reduced
The use volume of compound chemical reagent is effectively improved the yield of oil and coke powder, while being the life of commercial plant downstream wastewater
Change processing alleviates burden, to increase economic benefit.
By embodiment 2 and embodiment 10-12 it is found that when temperature is within the scope of 40-50 DEG C in demulsification tank 1, hydraulic cyclone
4 separative efficiency of device is higher, too high or too low for temperature in demulsification tank 1 to have the tendency that reducing by 4 separative efficiency of hydrocyclone.
By embodiment 5 and embodiment 13-15 it is found that when ultrasonic power is 300-400W, the separation effect of hydrocyclone 4
Rate is higher, and ultrasonic power is too high or too low to be had the tendency that reducing by 4 separative efficiency of hydrocyclone.
Embodiment 5 and embodiment 16-18 it is found that microwave power be 800-900W when, 4 separative efficiency of hydrocyclone compared with
Height, microwave power is too high or too low to be had the tendency that reducing by 4 separative efficiency of hydrocyclone.
Embodiment 19
A kind of separation equipment of the oil water mixture containing coke powder is proposed in the present embodiment, as shown in Figure 1, the separation equipment
Including pretreatment system and liquid-liquid-solid separation system, pretreatment system includes the demulsification for carrying out demulsification processing to mixture
Tank 1, demulsification tank 1 connect inlet tube 11 and reagent adding tube 12, and demulsification tank 1 is internally connected with ultrasonic generator 2 and microwave
Generating means 3, liquid-liquid-solid separation system include hydrocyclone 4, are demulsified between tank 1 and hydrocyclone 4 and are connected with high pressure
Pump 5, hydrocyclone 4 are also associated with wastewater disposal basin 6, slop tank 7 and sand trap cavity 8, and wastewater disposal basin 6 is used to collect the waste water isolated,
Slop tank 7 is used to collect the sump oil for the liquid isolated, and sand trap cavity 8 is for collecting the solid matter isolated.It is pre- by being arranged
Processing system may be implemented to carry out pretreatment demulsification to the waste water in demulsification tank 1, can improve the separation effect of hydrocyclone 4
Rate.
The blender 13 for stirring mixture is additionally provided in demulsification tank 1, so that the mixture distribution in demulsification tank 1 is equal
It is even consistent.
Ultrasonic generator 2 includes the ultrasonic transducer 21 being connected with each other and supersonic generator 22, ultrasonic wave transducer
The setting of device 21 is being demulsified in tank 1, for generating ultrasonic wave.Microwave generating apparatus 3 includes waveguide 31 and magnetron 32, waveguide
31 stretch into demulsification tank 1, for generating microwave.
With continued reference to Fig. 1, hydrocyclone 4 includes that the cylindrical section 41, first from top to bottom set gradually bores section 42, collection sand
Device 43 and second bores section 44.The top of cylindrical section 41 is provided with overflow port, and overflow port connects slop tank 7, is isolated for collecting
Liquid sump oil.The side of cylindrical section 41 is provided with inlet, and oil water mixture to be separated enters cylindrical section by inlet
In 41.The side of sand trap 43 is communicated with sand trap cavity 8, for collecting the solid matter isolated.The lower section of second cone section 44 is set
It is equipped with underflow opening, underflow opening connects wastewater disposal basin 6, for collecting the waste water isolated.
Note that above are only presently preferred embodiments of the present invention.It will be appreciated by those skilled in the art that the present invention is not limited to here
The specific embodiment, can carry out for a person skilled in the art it is various it is apparent variation, readjust and substitute and
Without departing from the scope of protection of the present invention.Therefore, although being described in further detail to the present invention by above example,
But the present invention is not limited only to above example, without departing from the inventive concept, can also include it is more other
Equivalent embodiment, and the scope of the present invention is determined by scope of the appended claims.
Claims (14)
1. a kind of separation equipment of the oil water mixture containing coke powder, which is characterized in that Gu including pretreatment system and liquid-liquid-point
From system, the pretreatment system includes the demulsification tank (1) for carrying out demulsification processing to the mixture, the demulsification tank
(1) connection inlet tube (11) and reagent adding tube (12), the tank (1) that is demulsified be internally connected with ultrasonic generator (2) and
Microwave generating apparatus (3), the liquid-liquid-solid separation system include hydrocyclone (4), the demulsification tank (1) and the waterpower
High-pressure pump (5) is connected between cyclone (4), the hydrocyclone (4) is also associated with wastewater disposal basin (6), slop tank (7) sum aggregate
Sand chamber (8), the wastewater disposal basin (6) is for collecting the waste water isolated, and the slop tank (7) is for collecting the liquid isolated
Sump oil, the sand trap cavity (8) is for collecting the solid matter isolated.
2. the separation equipment of the oil water mixture according to claim 1 containing coke powder, which is characterized in that the demulsification tank
(1) blender (13) for stirring mixture is additionally provided in.
3. the separation equipment of the oil water mixture according to claim 1 containing coke powder, which is characterized in that the ultrasound occurs
Device (2) includes the ultrasonic transducer (21) being connected with each other and supersonic generator (22), the ultrasonic transducer (21)
It is arranged in the demulsification tank (1).
4. the separation equipment of the oil water mixture according to claim 1 containing coke powder, which is characterized in that the microwave occurs
Device (3) includes waveguide (31) and magnetron (32), and the waveguide (31) is stretched into the demulsification tank (1).
5. the separation equipment of the oil water mixture according to claim 1 containing coke powder, which is characterized in that the hydraulic cyclone
Device (4) include the cylindrical section (41) from top to bottom set gradually, first cone section (42), sand trap (43) and second bore section (44),
The top of the cylindrical section (41) is provided with overflow port, and the side of the cylindrical section (41) is provided with inlet, the sand trap
(43) side is communicated with sand trap cavity (8), and underflow opening is provided with below the second cone section (44).
6. the separation equipment of the oil water mixture according to claim 5 containing coke powder, which is characterized in that the overflow port connects
The slop tank (7) is connect, the underflow opening connects the wastewater disposal basin (6).
7. a kind of separation method of the oil water mixture containing coke powder, which is characterized in that use claim 1-6 any one of them
Separation equipment carries out separating mixture, includes the following steps：
The formulation agents solution of demulsifier and flocculant is added into the mixture, demulsification processing is carried out to the mixture；
Will demulsification treated mixture the is transported to hydrocyclone (4), carry out grease and consolidate three phase separation.
8. the separation method of the oil water mixture according to claim 7 containing coke powder, which is characterized in that demulsifier is being added
With biosurfactant is added into the mixture while formulation agents solution of flocculant.
9. the separation method of the oil water mixture according to claim 8 containing coke powder, which is characterized in that control the demulsification
Temperature range in tank (1) is 30-60 DEG C, preferably 40-50 DEG C.
10. the separation method of the oil water mixture according to claim 8 containing coke powder, which is characterized in that the mixture
It is middle the formulation agents solution and biosurfactant of demulsifier and flocculant is added after, mixture is stirred, when stirring
Between be 2-3min.
11. the separation method of the oil water mixture according to claim 8 containing coke powder, which is characterized in that the mixture
Into before the hydrocyclone (4), control ultrasonic generator (2) and microwave generating apparatus (3) generate respectively ultrasonic wave with
Microwave, and demulsification processing, the ranging from 200-500W of ultrasonic power, microwave are carried out to the mixture by ultrasonic wave and microwave
The ranging from 700-1000W of power.
12. the separation method of the oil water mixture according to claim 8 containing coke powder, which is characterized in that the biology table
Face activating agent is glycolipid, saccharose lipid, lipopeptid or neutral lipid derivative.
13. the separation method of the oil water mixture according to claim 8 containing coke powder, which is characterized in that the biology table
Face activating agent is the biosurfactant solution that mass fraction is 1%, it is preferable that the body of the biosurfactant solution
Product is 2-5mL.
14. the separation method of the oil water mixture according to claim 7 containing coke powder, which is characterized in that the demulsifier
It is 0.4-1.0% with the mass fraction of demulsifier and flocculant in the formulation agents solution of flocculant, it is preferable that the demulsifier
Volume with the formulation agents solution of flocculant is 40-100mL.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810231790.2A CN108379880A (en) | 2018-03-20 | 2018-03-20 | A kind of separation equipment and separation method of the oil water mixture containing coke powder |
| DE102019107122.4A DE102019107122B4 (en) | 2018-03-20 | 2019-03-20 | Process for separating an oil-water mixture containing coke powder |
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| CN201810231790.2A CN108379880A (en) | 2018-03-20 | 2018-03-20 | A kind of separation equipment and separation method of the oil water mixture containing coke powder |
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| CN111003832A (en) * | 2019-12-31 | 2020-04-14 | 湖南景翌湘台环保高新技术开发有限公司 | Pretreatment equipment and method for oil stain and SS in polishing solution wastewater |
| CN111249776A (en) * | 2020-02-16 | 2020-06-09 | 东北石油大学 | Integrated multistage separation device for drilling mud |
| CN112316500A (en) * | 2020-09-30 | 2021-02-05 | 中国石油天然气股份有限公司 | Ultrasonic cyclone separation device |
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| CN114477576A (en) * | 2020-10-27 | 2022-05-13 | 中国石油化工股份有限公司 | Oil removing system and method for high-concentration oily sewage |
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| DE102019107122B4 (en) | 2023-09-21 |
| DE102019107122A1 (en) | 2019-09-26 |
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