CN103830934A - Oil-water separation method - Google Patents
Oil-water separation method Download PDFInfo
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- CN103830934A CN103830934A CN201410121534.XA CN201410121534A CN103830934A CN 103830934 A CN103830934 A CN 103830934A CN 201410121534 A CN201410121534 A CN 201410121534A CN 103830934 A CN103830934 A CN 103830934A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 109
- 238000000926 separation method Methods 0.000 title claims abstract description 64
- 235000019198 oils Nutrition 0.000 claims abstract description 54
- 239000012535 impurity Substances 0.000 claims abstract description 17
- 235000019476 oil-water mixture Nutrition 0.000 claims abstract description 10
- 230000011218 segmentation Effects 0.000 claims description 35
- 230000005484 gravity Effects 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 13
- 239000008187 granular material Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 239000010813 municipal solid waste Substances 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 238000013461 design Methods 0.000 claims description 4
- 230000003020 moisturizing effect Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000003628 erosive effect Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 238000010924 continuous production Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The invention discloses an oil-water separation method. An oil-water separating part is used for separating an oil-water mixture into oil and intermediate water, the intermediate water enters a water processing part and is further separated into heavy impurities and water, a coarse separation hydrocyclone of the oil-water separating part is used for separating the oil-water mixture into two branches of light phase and heavy phase, and separated heavy products of the light phase are introduced into the branch of the heavy phase for enrichment, namely the separation efficiency is improved for the light phase, and the separation precision is improved for the heavy phase; for the light phase, although the separation precision is sacrificed, a part of oil runs out from the bottom flow of a first hydrocyclone, only the first hydrocyclone is used in the whole separation process of the light phase, and other hydrocyclones are not used for recleaning and return separation, and thus the separation of the light phase is extremely simple and easy to control; however, for the heavy phase, the adjustability of closed-loop return separation consisting of a second hydrocyclone and a third hydrocyclone can overcome the oil leakage defect of the light phase, and all separation errors are solved in closed-loop return separation.
Description
Technical field
The application relates to a kind of oil-water separation method, is specifically related to a kind of method of utilizing gravity separation device to carry out water-oil separating.
Background technology
Cyclone is the conventional equipment in water-oil separating, and it has little, the easy-operating advantage of energy consumption.At present typical cyclone water-oil separating mainly contains two kinds, and one is that cyclone is discharged profit as light from overfall, heavily mixes and discharges from underflow, and light item further carries out water-oil separating.The shortcoming of this separation is, choose in dividing of reality, because worrying oil runs out of from underflow, therefore reduced heavily assorted discharge precision, make the heavily assorted sufficient not centrifugal of a part and entered overfall, and heavily assorted very large for the damage of water-oil separating precision equipment, and also this kind equipment will accurately be isolated a certain in the first stage, have a strong impact on selected amount, made the sorting of the whole sorting flow process inhomogeneous setting of loading.Also having one is with two of cyclone rough segmentation water oil, then two segmentations separately in two branch roads of weight, this sorting makes overall sorting flow process more smooth, but it is long especially that the shortcoming of this sorting is flow process, cyclone itself is the poor screening installation of a kind of adjustability, the sorting reliability of the longer entirety of flow process is poorer, therefore the simple separation system efficiently of a set of flow process urgently.
In addition, water-oil separating can not be ignored the impact of environment, and middle water and heavily assorted processing are difficult problems; this relates generally to the assorted ability of separating heavy from water; in prior art, heavily mix and separate or low precision with water, or need to shut down cleaning, cannot realize online non-stop-machine continuous production.
Summary of the invention
The object of the present invention is to provide a kind of oil-water separation method, solve the defect of water-oil separating in aforesaid prior art.
The present invention realizes by the following method: water-oil separating radicals by which characters are arranged in traditional Chinese dictionaries are first separated into oil water mixture oil and middle water, middle water enters water treatment portion and is further separated into heavily assorted and water, it is characterized in that, water-oil separating portion is used rough segmentation cyclone that oil water mixture is separated into light and heavy two branch roads, a light isolated heavy product is guided heavy branch road enrichment into, and water treatment portion processes middle water continuously.
More preferably, water-oil separating portion mainly comprises rough segmentation cyclone and first, second and third cyclone, oil water mixture is carried out rough segmentation by rough segmentation cyclone, in stoste, the oil of 70%-75% enters overflow and enters the first cyclone, and underflow is introduced the second cyclone, being connected of the second servo loop that the entrance of rough segmentation cyclone separates with the underflow of the 3rd cyclone, two large branch roads of the overflow separating for rough segmentation cyclone and underflow, light and heavy two branch roads, for light, improve the efficiency of separation; For heavy, improve sharpness of separation.
More preferably, it is the purity that ensures overfall oil that the described raising efficiency of separation is specially the first cyclone design, the water of the overwhelming majority and a part of oil enter underflow, be provided with charger in the first cyclone porch, the overflow of the first cyclone enters three-phase Gravity Separation machine, three-phase Gravity Separation machine utilizes gas, oil, the triangular gravity of water different with density and occur layering, three-phase is separated, after the gas that charger is filled with upwards floats oil in three-phase Gravity Separation machine from water, discharge from exhaust outlet.
More preferably, described raising sharpness of separation is that the second cyclone is the cyclone of the purity design based on overfall oil, the underflow of rough segmentation cyclone and the first cyclone enters the second cyclone, through separating, the second cyclone overflow is that high-purity oil enters three-phase Gravity Separation machine, underflow is the oily and most water of sub-fraction, heavily assorted, and underflow enters the 3rd cyclone, in the 3rd cyclone underflow, there is not oil, the overflow of the 3rd cyclone is filled and is permitted to occur that more water and oil mix and turn back to the arrival end of the second cyclone, overfall and underflow opening at the 3rd cyclone are all established detecting devices, two detecting devices are connected with detector, the overfall of the 3rd cyclone and underflow opening are also provided with the first control valve and the second control valve, underflow also has the first loop Jiang Shui to guide the entrance of the 3rd cyclone into, also there is second servo loop and water is guided into the entrance of rough segmentation cyclone, in the time that the underflow of the 3rd cyclone is detected Equipment Inspection and goes out to have oil to run out of, the second control valve is to underflow current limliting, water is forced to overfall, the 3rd control valve in the first loop is opened simultaneously, to the entrance moisturizing of the 3rd cyclone, also be the process of supercharging simultaneously, oil in the 3rd cyclone moves to overfall more fully, if while there is too many water in the overfall of the 3rd cyclone, illustrate in underflow and do not exist and run oily problem, at this moment the first control valve current limliting, forces out underflow opening by water, ensures that in overflow, oil is controlled with the ratio of water.
More preferably, water treatment portion comprises three-flute trash separator, it forms to three-flute by first, the water of three-phase Gravity Separation machine mixes the one-level groove that enters three-flute trash separator by one-level groove entrance with the underflow of the 3rd cyclone, the outlet of one-level groove entrance vertically downward, the port of export has shunting disk, shunting disk is the horizontally disposed disk with radial curved grooves, current are entered one-level groove by after curved grooves slow under the guiding of shunting disk, one-level groove is subsider, in the time of the impurities removal of one-level trench bottom, one-level groove water level declines and will heavily mix and go out impurity discharging port; Between one-level groove and secondary groove, be connected by one-way pump, one-way pump exports to secondary groove entrance pumping clarified solution from one-level groove, between the secondary groove entrance of secondary groove and the outlet of secondary groove, be tiltedly installed with sieve structure, between secondary groove and three grades of grooves, it is a two-way pump structure, two-way pump structure exports pump to three grades of groove entrances by the water after filtering by secondary groove, and secondary groove also has impurity discharging port.
More preferably, near the outlet of secondary groove, be provided with impeller, when secondary groove outlet reverse drainage, impeller is by the backward erosion compass screen surface of raising waterborne, in the time of water treatment, two-way pump structure exports pump to three grades of groove entrances by the water after filtering by secondary groove, in the time that compass screen surface blocks, compass screen surface is because the effect deflection of hydraulic pressure can increase, it is large that the water-head of compass screen surface both sides also can become, utilize compass screen surface deflection and/or compass screen surface both sides water level difference to judge whether compass screen surface blocks, in the time that testing agency finds that compass screen surface blocks, two-way pump structure reversing pump water, the water of three grades of grooves is oppositely fed to secondary groove, discharge the granule blocking at compass screen surface by the effect to compass screen surface reverse cleaning, granule glides and discharges from the impurity discharging port of secondary groove with current, when secondary groove outlet reverse drainage, waterborne raising washed away compass screen surface by impeller, in the impurities removal stage, the work of one-way pump does not stop, the water of the water of secondary groove entrance ejection and secondary groove outlet ejection forms combined-flow, combined-flow disturbance is stronger, better discharge granule.
Beneficial effect:
1) the application proposes an important sorting principle, for light, improves the efficiency of separation; For heavy, improve sharpness of separation, and carried out relative arrangement according to this principle.For light, although sacrificed sharpness of separation, part oil is run out of from the first cyclone underflow, but whole light item has only used this one-level cyclone of the first cyclone in assorting room, do not have other cyclone to select again and Hui Xuan, the sorting of so light is very simple, easily controls; And for heavy, the adjustability of the closed circuit Hui Xuan of second, third cyclone composition can overcome the race oil defect of light, all sorting errors are all chosen and solved at closed circuit time, operating personnel only need to adjust arbitrary rank cyclone number of closed circuit time choosing part is simple, greatly reduce the layout difficulty of cyclone;
2) in the application, choose for closed circuit time, overfall and the underflow of the 3rd cyclone are equipped with detecting devices, by the control of detector, can control accurately the discharge of underflow, realize the dynamic adjustment of separation operation;
3) the application has solved the processing difficult problem for middle water in continuous water-oil separating operation, the three-flute trash separator that inventor proposes utilizes the judgement to compass screen surface stopping state, backward erosion compass screen surface, has realized Hand scarf compass screen surface, and for water-oil separating, portion provides sound assurance.
Brief description of the drawings
Fig. 1 is the schematic diagram of oil-water separation system;
In figure: 1, rough segmentation cyclone; 2, abundant equipment; 3, the first cyclone; 4, three-phase Gravity Separation machine; 5, the second cyclone; 6, the 3rd cyclone; 7, detector; 8, the first control valve; 9, the second control valve; 10, the 3rd control valve; 11, three-flute trash separator; 12, one-level groove entrance; 13, one-level groove outlet; 14, one-way pump; 15, secondary groove entrance; 16, secondary groove outlet; 17, two-way pump structure; 18, three grades of groove entrances; 19, sieves; 20, impurity discharging port.
Detailed description of the invention
Be described further below in conjunction with accompanying drawing:
Water-oil separating portion in the present embodiment is mainly made up of rough segmentation cyclone 1 and the first to three cyclone, oil mixing with water stoste is carried out rough segmentation by rough segmentation cyclone 1, also has the operation of cyclonic separation because overflow is follow-up, so it is more pure better that the overflow of rough segmentation cyclone is not oil, consider mobility and the separability of overflow, being preferably the oil of 70%-75% in stoste enters overflow item and enters the first cyclone 3, remaining oil, water and major part be heavily assorted to enter underflow and introduces the second cyclone 5, if the only purity of unilateral pursuit rough segmentation cyclone 1 overflow, this oil is because too thick and cyclonic separation again, and the selected amount of whole piece-rate system reduces greatly, therefore the separation theory in the application is thought, in the cyclonic separation of initial one-level, should directly not separate fuel-displaced or heavily assorted, but rough segmentation oil water mixture, the task of segmentation is placed on to subsequent treatment.The inlet pressure of rough segmentation cyclone 1 and flow are by the water management of the end second servo loop that underflow of the 3rd cyclone separates of whole water-oil separating portion, the 3rd cyclone has description later, if the selected pressure of rough segmentation cyclone 1 is lower, increase thereby improve pressure by moisturizing the oil mass that enters overflow.Two large branch roads of the overflow separating for rough segmentation cyclone 1 and underflow, light and heavy, the application proposes an important sorting principle, for light, improves the efficiency of separation; For heavy, improve sharpness of separation.And carry out following apparatus arrangement according to this principle.
The first cyclone 3 is designed to ensure the purity of overfall oil, the water of the overwhelming majority and a part of oil enter underflow like this, preferably be provided with charger 2 in the first cyclone 3 porch, in the practical operation of sorting, find, gas in cyclone to overfall eddy current catch end near time, oil droplet is had to very strong impetus, can help to collect oil droplet.The efficiency of the first cyclone in order to ensure to separate, sacrifice in a way the precision of sorting, there is race oil to a certain degree, but light of the overflow item of separating for rough segmentation cyclone 1, only need a sorting just can ensure oily purity, it contains a small amount of water, hardly containing heavily assorted, this is a kind of well protection to follow-up three-phase Gravity Separation machine 4 and other accurate screening installation, that is to say that the eddy flow shunting of only having carried out first cyclone 3 these one-levels has just reached high sorting standard, centre does not have loop gravity treatment, there is no the selected cyclone of multistage layout, this has shortened sorting flow process greatly, improve the efficiency of separation.Three-phase Gravity Separation machine 4 is prior art, utilize gas, oil, the triangular gravity of water different with density and occur layering, three-phase is separated, after the gas that charger 2 is filled with upwards floats oil in three-phase Gravity Separation machine from water, discharge from exhaust outlet.
The second cyclone 5 is also the cyclone of the purity design based on overfall oil, the underflow of rough segmentation cyclone 1 and the first cyclone 3 enters the second cyclone 5, through separating, the second cyclone 5 overflows are that high-purity oil enters three-phase Gravity Separation machine 4, underflow is the oily and most water of sub-fraction, heavily assorted, and underflow enters the 3rd cyclone 6.The 3rd cyclone 6 is designed to ensure do not occur in underflow oil, for this reason, relax the requirement of the overflow of the 3rd cyclone 6 as far as possible, can there is more water and turn back to the arrival end of the second cyclone 5 in the overflow of the 3rd cyclone 6, because the underflow of the 3rd cyclone 6 is the three-flute trash separators that will directly enter water treatment stage, therefore requirement that will be stricter for the underflow of the 3rd cyclone 6, overfall and underflow opening at the 3rd cyclone 6 are all established detecting devices, two detecting devices are connected with detector 7, the overfall of the 3rd cyclone 6 and underflow opening are also provided with the first control valve 8 and the second control valve 9, underflow also has the first loop Jiang Shui to guide the entrance of the 3rd cyclone 6 into, also there is second servo loop and water is guided into the entrance of rough segmentation cyclone 1.
In the time that the underflow of the 3rd cyclone 6 is detected Equipment Inspection and goes out to have oil to run out of, the second control valve 9 is to underflow current limliting, water is forced to overfall, the 3rd control valve 10 in the first loop is opened simultaneously, to the entrance moisturizing of the 3rd cyclone 6, also be the process of supercharging, the oil in the 3rd cyclone 6 moves to overfall more fully simultaneously.If while there is too many water in the overfall of the 3rd cyclone 6, illustrate and in underflow, do not have the oily problem of running, the operating pressure that in overflow, water has strengthened the second cyclone 5 too much on the contrary, the sorting capability of entirety declines, at this moment the first control valve 8 current limlitings, water is forced out to underflow opening, ensure that in overflow, oil is controlled with the ratio of water.Detector 7 and detecting devices itself are prior aries, do not repeat them here; It is emphasized that for water-oil separating field, the component ratio for the treatment of point mixed flow is stable, therefore for detector 7, also can artificial sampling detect, and this can't pay the artificial of larger amount.
3 underflow of rough segmentation cyclone 1 and the first cyclone selects the high-precision You Heshui that separated of structure for closed circuit time through the two or three cyclone composition, and introduces detector 7, has more ensured the reliability of water-oil separating.All in all water-oil separating part, adopt high efficiency water-oil separating for the overflow of rough segmentation cyclone 1, and by the underflow of rough segmentation cyclone 1 underflow and the first cyclone be mixed send into second and the cyclone of the 3rd cyclone composition select structure for closed circuit time, by the sorting across branch road, form the sorting of focusing on efficiency and focusing on separation accuracy mixed principle.In actual water-oil separating, what we paid close attention to is the production capacity of valuable oil, oil yield is substantially constant for oil well, we reduce the complicated layout to light branch road for this reason, all sorting errors are all concentrated on a heavy branch road, can increase according to the actual needs or reduce the group number of the closed circuit Hui Xuan of cyclone, also can adjust second according to production capacity, three cyclones number separately, just concentrate on a heavy branch road for the focus of whole production, and this branch road has also been introduced the detector 7 of automatic control, further reduce the difficulty of controlling, for the closed-loop path of the two or three cyclone composition, just the overfall to the second cyclone and the underflow of the 3rd cyclone are paid close attention to, be general concern for the overflow of the 3rd cyclone, it is only the auxiliary detection for underflow discharge.Closed-loop path does not adopt more than three grades or three grades cyclones composition loops to select system again, this is because as noted earlier, cyclone is the poor screening installation of a kind of adjustability, cyclone level can affect finally what sharpness of separation too much, sometimes needs to ensure selected pressure by pump class.So the application only adopts the closed circuit Hui Xuan of the cyclone composition of two-stage, and is furnished with detector 7, can also adjust the quantity of the cyclone of any one-level, thereby be suitable for the sorting of the oil water mixture of different moisture content.
Because the continuous production of water-oil separating portion causes an important technical problem, produced a large amount of heavily assorted middle water that contains, according to the standard of China's mining industry draining, this class water cannot directly discharge, therefore need one can produce continuously, water treatment system that disposal ability is large supports water-oil separating portion, otherwise whole oil-water separation system just cannot move normally.For this reason, inventor proposes a three-flute trash separator 11, has effectively solved this technical problem.
Three-flute trash separator 11 forms to three-flute by first, the water of three-phase Gravity Separation machine 4 mixes the one-level groove that together enters three-flute trash separator 11 by one-level groove entrance 12 with the underflow of the 3rd cyclone, the outlet of one-level groove entrance 12 vertically downward, the port of export has current deceleration device, current deceleration device is preferably shunting disk, shunting disk is the horizontally disposed disk with radial curved grooves, and current, under the guiding of shunting disk, enter one-level groove slowly again by curved grooves.One-level groove is subsider, the heavily assorted bottom that is deposited in as much as possible one-level groove, and being preferably one-level groove has the higher degree of depth, and in the time of the impurities removal of one-level trench bottom, one-level groove water level declines and will heavily mix and go out impurity discharging port.Between one-level groove and secondary groove, be connected by one-way pump 14, one-way pump 14, from the outlet 13 of one-level groove to secondary groove entrance 15 pumping clarified solutions, it should be noted that one-level groove outlet 13 should be away from one-level groove entrance 12, prevent that current short circuit from crossing one-level groove and directly entering secondary groove, thereby one-level groove was lost efficacy.Between the secondary groove entrance 15 of secondary groove and secondary groove outlet 16, be tiltedly installed with sieve structure, sieve structure is for removing the granule of easy suspension, but sieve structure has a shortcoming to need exactly periodic cleaning, the short grained compass screen surface of sorting is different from other compass screen surface, granule is very easy to block in sieve aperture instead of along compass screen surface and glides and discharge, if mesh is blocked to a certain extent in prior art, just must shut down cleaning or change compass screen surface, this cannot adapt to aforesaid water-oil separating part, certainly also have in the prior art and granule is not processed and directly discharge, only that bulky grain or similar easy recovery section are reclaimed, but this causes huge pressure to plant area's surrounding enviroment.
In order to solve this technical problem, in the present embodiment, between secondary groove and three grades of grooves, be a two-way pump structure 17, in the time of water treatment, two-way pump structure 17 exports 16 pumps to three grades of groove entrances 18 by the water after filtering by secondary groove, in the time that compass screen surface blocks, compass screen surface is because the effect deflection of hydraulic pressure can increase, it is large that the water-head of compass screen surface both sides also can become, what those skilled in the art can know is, can utilize including but not limited to deflection and water level difference and judge whether compass screen surface blocks, in the time that testing agency finds that compass screen surface blocks, two-way pump structure reversing pump water, the water of three grades of grooves is oppositely fed to secondary groove, discharge the granule blocking at compass screen surface by the effect to compass screen surface reverse cleaning, granule glides and discharges from the impurity discharging port 20 of secondary groove with current, preferably export 16 places at secondary groove and be provided with impeller, when secondary groove exports 16 reverse drainage, waterborne raising washed away compass screen surface by impeller.In the impurities removal stage, the work of one-way pump 14 does not stop, and the water of the water that secondary groove entrance 15 sprays and secondary groove outlet 16 ejections forms combined-flow, and combined-flow disturbance is stronger, better discharges granule.Therefore, no matter be water treatment or impurities removal stage, whole three-flute trash separator turn round always, for the continual processing of middle water in water-oil separating stage, solution need to shut down the technical barrier of mixing clearly or changing compass screen surface.
Although the disclosed oil-water separation method relating to has been carried out to special description with reference to embodiment; embodiment described above is illustrative and not restrictive; without departing from the present invention, all variations and amendment are all within protection scope of the present invention.
Claims (6)
1. an oil-water separation method, water-oil separating radicals by which characters are arranged in traditional Chinese dictionaries are first separated into oil water mixture oil and middle water, middle water enters water treatment portion and is further separated into heavily assorted and water, it is characterized in that, water-oil separating portion is used rough segmentation cyclone that oil water mixture is separated into light and heavy two branch roads, a light isolated heavy product is guided heavy branch road enrichment into, and water treatment portion processes middle water continuously.
2. oil-water separation method according to claim 1, water-oil separating portion mainly comprises rough segmentation cyclone (1) and first, two, three cyclones, oil water mixture is carried out rough segmentation by rough segmentation cyclone, in stoste, the oil of 70%-75% enters overflow and enters the first cyclone (3), underflow is introduced the second cyclone (5), being connected of the second servo loop that the entrance of rough segmentation cyclone separates with the underflow of the 3rd cyclone (6), two large branch roads of the overflow separating for rough segmentation cyclone (1) and underflow, i.e. light and heavy two branch roads, for light, improve the efficiency of separation, for heavy, improve sharpness of separation.
3. oil-water separation method according to claim 1, the described raising efficiency of separation is specially the first cyclone (3) and is designed to ensure the purity of overfall oil, the water of the overwhelming majority and a part of oil enter underflow, be provided with charger (2) in the first cyclone porch, the overflow of the first cyclone (3) enters three-phase Gravity Separation machine (4), three-phase Gravity Separation machine utilizes gas, oil, the triangular gravity of water is different with density and occur layering, three-phase is separated, after upwards floating oil in three-phase Gravity Separation machine from water, the gas that charger (2) is filled with discharges from exhaust outlet.
4. oil-water separation method according to claim 1, described raising sharpness of separation is that the second cyclone (5) is the cyclone of the purity design based on overfall oil, the underflow of rough segmentation cyclone (1) and the first cyclone (3) enters the second cyclone (5), through separating, the second cyclone overflow is that high-purity oil enters three-phase Gravity Separation machine (4), underflow is the oily and most water of sub-fraction, heavily assorted, and underflow enters the 3rd cyclone (6), in the 3rd cyclone (6) underflow, there is not oil, the overflow of the 3rd cyclone is filled and is permitted to occur that more water and oil mix and turn back to the arrival end of the second cyclone (5), overfall and underflow opening at the 3rd cyclone are all established detecting devices, two detecting devices are connected with detector (7), the overfall of the 3rd cyclone and underflow opening are also provided with the first control valve (8) and the second control valve (9), underflow also has the first loop Jiang Shui to guide the entrance of the 3rd cyclone into, also there is second servo loop and water is guided into the entrance of rough segmentation cyclone (1), in the time that the underflow of the 3rd cyclone (6) is detected Equipment Inspection and goes out to have oil to run out of, the second control valve is to underflow current limliting, water is forced to overfall, the 3rd control valve in the first loop is opened simultaneously, to the entrance moisturizing of the 3rd cyclone, also be the process of supercharging simultaneously, oil in the 3rd cyclone moves to overfall more fully, if while there is too many water in the overfall of the 3rd cyclone, illustrate in underflow and do not exist and run oily problem, at this moment the first control valve (8) current limliting, forces out underflow opening by water, ensures that in overflow, oil is controlled with the ratio of water.
5. oil-water separation method according to claim 1, water treatment portion comprises three-flute trash separator (11), it forms to three-flute by first, the water of three-phase Gravity Separation machine (4) mixes the one-level groove that enters three-flute trash separator (11) by one-level groove entrance (12) with the underflow of the 3rd cyclone, the outlet of one-level groove entrance (12) vertically downward, the port of export has shunting disk, shunting disk is the horizontally disposed disk with radial curved grooves, current are entered one-level groove by after curved grooves slow under the guiding of shunting disk, one-level groove is subsider, in the time of the impurities removal of one-level trench bottom, one-level groove water level declines and will heavily mix and go out impurity discharging port, between one-level groove and secondary groove, be connected by one-way pump (14), one-way pump (14) is from one-level groove outlet (13) to secondary groove entrance (15) pumping clarified solution, between the secondary groove entrance (15) of secondary groove and secondary groove outlet (16), be tiltedly installed with sieve structure, between secondary groove and three grades of grooves, it is a two-way pump structure (17), two-way pump structure (17) exports (16) pump to three grades of groove entrances (18) by the water after filtering by secondary groove, and secondary groove also has impurity discharging port (20).
6. oil-water separation method according to claim 5, near secondary groove outlet (16), be provided with impeller, when secondary groove outlet (16) reverse drainage, impeller is by the backward erosion compass screen surface of raising waterborne, in the time of water treatment, two-way pump structure exports pump to three grades of groove entrances by the water after filtering by secondary groove, in the time that compass screen surface blocks, compass screen surface is because the effect deflection of hydraulic pressure can increase, it is large that the water-head of compass screen surface both sides also can become, utilize compass screen surface deflection and/or compass screen surface both sides water level difference to judge whether compass screen surface blocks, in the time that testing agency finds that compass screen surface blocks, two-way pump structure reversing pump water, the water of three grades of grooves is oppositely fed to secondary groove, discharge the granule blocking at compass screen surface by the effect to compass screen surface reverse cleaning, granule glides and discharges from the impurity discharging port of secondary groove with current, when secondary groove outlet reverse drainage, waterborne raising washed away compass screen surface by impeller, in the impurities removal stage, the work of one-way pump does not stop, the water of the water of secondary groove entrance ejection and secondary groove outlet ejection forms combined-flow, combined-flow disturbance is stronger, better discharge granule.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410121534.XA CN103830934B (en) | 2014-03-28 | 2014-03-28 | A kind of oil-water separation method |
| CN201510432733.7A CN104998437B (en) | 2014-03-28 | 2014-03-28 | A kind of system of oil-water separation |
| CN201510434837.1A CN105148570B (en) | 2014-03-28 | 2014-03-28 | A kind of oil-water separation method |
| CN201510439594.0A CN104984566B (en) | 2014-03-28 | 2014-03-28 | Oil-water separation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410121534.XA CN103830934B (en) | 2014-03-28 | 2014-03-28 | A kind of oil-water separation method |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510434837.1A Division CN105148570B (en) | 2014-03-28 | 2014-03-28 | A kind of oil-water separation method |
| CN201510432733.7A Division CN104998437B (en) | 2014-03-28 | 2014-03-28 | A kind of system of oil-water separation |
| CN201510439594.0A Division CN104984566B (en) | 2014-03-28 | 2014-03-28 | Oil-water separation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108828174A (en) * | 2018-07-09 | 2018-11-16 | 南京航空航天大学 | Oil component detection device and method in water |
| CN111537383A (en) * | 2020-05-15 | 2020-08-14 | 新昌县七星街道春强机械厂 | Granular impurity separable detection device and method for sewage detection |
| CN112483475A (en) * | 2020-11-11 | 2021-03-12 | 中建四局安装工程有限公司 | Intelligent sewage disposal protection device for submersible pump |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116674827B (en) * | 2023-08-03 | 2023-10-03 | 常州市星云润滑材料有限公司 | Conveying device for polyethylene wax production |
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| CN112483475A (en) * | 2020-11-11 | 2021-03-12 | 中建四局安装工程有限公司 | Intelligent sewage disposal protection device for submersible pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103830934B (en) | 2015-09-02 |
| CN104998437B (en) | 2017-01-04 |
| CN104998437A (en) | 2015-10-28 |
| CN104984566A (en) | 2015-10-21 |
| CN105148570A (en) | 2015-12-16 |
| CN104984566B (en) | 2017-01-11 |
| CN105148570B (en) | 2016-12-07 |
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