CN105107234A - Dehydrating plant, and oil purifier and continuous pre-dehydrating method using dehydrating plant - Google Patents
Dehydrating plant, and oil purifier and continuous pre-dehydrating method using dehydrating plant Download PDFInfo
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- CN105107234A CN105107234A CN201510626419.2A CN201510626419A CN105107234A CN 105107234 A CN105107234 A CN 105107234A CN 201510626419 A CN201510626419 A CN 201510626419A CN 105107234 A CN105107234 A CN 105107234A
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- 238000000034 method Methods 0.000 title claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 133
- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 238000012544 monitoring process Methods 0.000 claims abstract description 35
- 239000002351 wastewater Substances 0.000 claims abstract description 23
- 239000003921 oil Substances 0.000 claims description 279
- 235000019198 oils Nutrition 0.000 claims description 182
- 235000019476 oil-water mixture Nutrition 0.000 claims description 45
- 230000037361 pathway Effects 0.000 claims description 25
- 230000018044 dehydration Effects 0.000 claims description 24
- 238000006297 dehydration reaction Methods 0.000 claims description 24
- 238000007599 discharging Methods 0.000 claims description 22
- 239000003305 oil spill Substances 0.000 claims description 22
- 239000003129 oil well Substances 0.000 claims description 22
- 230000008569 process Effects 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 15
- 238000000926 separation method Methods 0.000 claims description 14
- 230000008676 import Effects 0.000 claims description 13
- 125000006850 spacer group Chemical group 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 238000013461 design Methods 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 9
- 239000000839 emulsion Substances 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 230000001154 acute effect Effects 0.000 claims description 2
- 239000002828 fuel tank Substances 0.000 claims description 2
- 230000000737 periodic effect Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000003912 environmental pollution Methods 0.000 abstract description 6
- 238000000746 purification Methods 0.000 description 11
- 238000004945 emulsification Methods 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
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- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The inventor discloses a dehydrating plant, and an oil purifier and a continuous pre-dehydrating method using the dehydrating plant. The dehydrating plant is characterized by comprising an oil-water separating portion, an oil-water state monitoring portion, a driving portion, a water draining portion, a shell and an oil overflowing tube; the oil-water separating portion is coaxially arranged in the shell; a transmission shaft of the oil-water separating portion is driven to rotate at a technological speed by the driving portion, wastewater can be drained from the water draining portion, and dehydrated oil products overflow from the oil overflowing tube. The dehydrating plant serves as a pre-dehydrating plant of the oil purifier. In the continuous pre-dehydrating method, the oil purifier is used. The technology is simple; interference of a follow-up technology after machine halt can be avoided; continuous automatic dehydrating treatment is implemented; oil purifying efficiency of the oil purifier is improved greatly; and environmental pollution caused by drainage of oily wastewater is avoided.
Description
Technical field
The present invention relates to oily water separation technique field, be specially a kind of dewater unit and use the oil conditioner of this device and continuous predrainage method.This device a kind of to be metalled run out the too high oil product pretreatment of fault, the water content such as (snow), steam leakage of raining and the special equipment that designs for equipment specially.
Background technology
Lubricating oil, hydraulic pressure wet goods oil product, in the process used, inevitably by the various impurity produced in surrounding environment and in system work process, as pollutions such as dust, moisture, abrasive dust and greasy filth, cause oil product deterioration, environmental pollution, the wasting of resources.In order to change this state, the dewatered clean of oil product is very important.
In oil purification process, may due to equipment metal run out fault, rain the factor such as (snow), steam leakage, cause water content in pending oil product too high, even occur based on water, only containing a small amount of oil condition, oil purification is made to be difficult to carry out smoothly.Prior art, mainly for the technology of carrying out containing a small amount of water in oil product processing, removes the moisture in oil product as methods such as utilization heating, filter core, centrifugal force.If the too high oil product of water content does not carry out any process directly pass into oil conditioner, increase huge burden by dehydration equipment, a large amount of water, at oil conditioner Inner eycle, occupies the dischargeable capacity of dehydration equipment, reduce the utilization rate of dehydration equipment, increase difficulty and the cost of oil dehydrating.
For the problem that moisture of oil pending in oil purification process is too high, current major measure is settling methods, namely relies on gravity to make it disperse according to water-oil phase density difference, thus reaches the object of water-oil separating.There is following outstanding drawback in this way:
1. need to shut down process, production can not be carried out continuously
In actual production process, once occur that equipment such as to be metalled run out at the fault, modal method shuts down process; pending oil product is introduced in displacement can sedimentation a period of time, the proportion difference according to profit carries out layering, after water-oil separating; opening discharging valve by observing oil water surface, discharging end water.This processing method has had a strong impact on the normal operation normally using and produce of oil conditioner.And if do not shut down, make pending oil product directly enter displacement can, Momentum Transfer and buoyancy can make oil-water interfaces fluctuate in a big way, even cannot determine oil-water interfaces, cause the moisture of oil after process too high, do not reach pretreated effect; Also can contain a large amount of oil product in the end water of discharging, cause unnecessary loss to user, cause environmental pollution simultaneously.
2. need enough settling areas and sedimentation time
Obviously, the efficiency of settling methods is very low, need the standing sufficiently long time on the one hand, profit just can be made automatically to be separated, on the other hand particle diameter is less than to the emulsification state drop of 100 μm, simple settling methods does not act on, and particularly oil-water mixture is very easy to form stable oil-in-water or Water-In-Oil structure, emulsion occurs, and this situation will make the more difficult separation of oil-water mixture.Produce actual heat and expect a kind of continuous seepage and water-oil separating efficiently and dewatered clean equipment.
Summary of the invention
Not enough for prior art, the technical problem that quasi-solution of the present invention is determined is, provides a kind of dewater unit and uses the oil conditioner of this device and continuous predrainage method.This dewater unit equipment of being mainly used in is metalled run out fault, the oil purification of the High water cut situation such as (snow), steam leakage of raining; under non-stop-machine prerequisite; efficiently can remove the water in pending oil product; solve the problems such as device structure is huge, oil-water interfaces are unstable, water-oil separating efficiency is low, emulsification is serious in prior art; the pressure of effective alleviation dehydration equipment; improve the efficiency of oil purification, protection of the environment.
The technical scheme that the present invention solves described device technique problem is, design a kind of dewater unit, it is characterized in that this dewater unit comprises water-oil separating part, profit status monitoring part, drive part, water discharging part, housing and oil spill pipe, described water-oil separating part is coaxially arranged in housing, drives the power transmission shaft of water-oil separating part to rotate with process speed by drive part, waste water is discharged from water discharging part, and the oil product after dehydration then overflows from oil spill pipe;
Described water-oil separating part comprises center line upper bearing (metal) all on the same line, lower bearing, power transmission shaft and water-oil separating screen drum; Described upper bearing (metal) is fixed on centre position above housing, and lower bearing is fixed on centre position bottom water-oil separating screen drum, and described power transmission shaft is arranged on upper bearing (metal) and lower bearing, and is connected with oil spill pipe pipeline; Space in housing is divided into water-oil separating chamber and collect cavity two parts by described water-oil separating screen drum, and water-oil separating chamber is formed in water-oil separating screen drum, by the rotation of power transmission shaft by water-oil separating; Collect cavity is formed between the inwall of water-oil separating screen drum and housing, is used for storing isolated water from pending oil product; The barrel of described water-oil separating screen drum being evenly equipped with the separation pod apertures of design quantity, after oil water mixture is separated in water-oil separating chamber, entering collect cavity by being separated pod apertures;
Described power transmission shaft comprises hollow axle, oil overflow hole, centrifugal wheels, spacer sleeve and hollow feed pathway, and hollow feed pathway is opened in hollow axle, and outside hollow axle, cover has centrifugal wheels; Centrifugal wheels are made up of the dish-shaped wheel disc of the identical design quantity of shape and size, are provided with spacer sleeve between adjacent upper and lower wheel disc, and in order to fixing dish-shaped wheel disc, and the height by changing spacer sleeve controls the distance between each wheel disc; Spacer sleeve is provided with the multiple oil overflow hole be communicated with hollow feed pathway, and the oil product after dehydration enters hollow feed pathway from oil overflow hole, then is discharged by oil spill pipe;
The bottom that described profit status monitoring part comprises at least one profit state sensor, profit state sensor is arranged on collect cavity, lower than the height of drainpipe, and be fixed on the inwall of housing, in order to the profit state in Real-Time Monitoring collect cavity, and by each point profit feedback of status to outer monitoring computer or central processing unit, outer monitoring computer or central processing unit are according to the profit status command discharge water valve draining in collect cavity;
Described drive part comprises feed tube, oil well pump, hydraulic motor import, hydraulic motor, hydraulic motor rotating shaft, and hydraulic motor exports, shaft coupling and inlet, and described hydraulic motor is fixed on the centre position below housing bottom, water-oil separating screen drum; Pending oil product is extracted into hydraulic motor import through feed tube by oil well pump, from hydraulic motor outlet flow to inlet, flows into the bottom of water-oil separating screen drum through inlet;
Described feed tube, oil well pump are connected with hydraulic motor import successively pipeline, the outlet of the hydraulic motor of hydraulic motor be arranged on water-oil separating sieve bottom inlet pipeline be connected; Pending oil product is through hydraulic motor, driving hydraulic motor rotates, hydraulic motor rotating shaft is connected with the power transmission shaft be arranged in water-oil separating screen drum by shaft coupling, power transmission shaft can be driven to rotate with process speed, thus make pending oil product realize quick water-oil separating well, and the flow velocity of pending oil product can be changed by the rate of pumping changing oil well pump, thus the rotating speed of adjustment hydraulic motor;
Described water discharging part comprises drainpipe, draining valve and delivery port, and described drainpipe is arranged on lower housing portion sidewall, vertical connection radial with housing sidewall, and drainage pipe end is provided with delivery port, and drainpipe is provided with draining valve; Drainpipe is connected with collect cavity, is used for discharging isolated water from pending oil product.
Compared with prior art, the present invention has following beneficial effect:
1, structure is simple, highly sensitive, can avoid shutting down the impact of process on subsequent technique, realizes continuous automatic dehydration process, and can carry out early warning to the equipment fault such as to metal run out in time.
2, Direct Recognition oil-water interfaces method large for difficulty is become the profit component identification easily implemented, by the restriction of water content scope and oil emulsion situation and profit whether layering, allow oil-water interfaces to fluctuate in a big way, be conducive to the control of separating effect.
3, this device is arranged on traditional oil conditioner; oil phase in oil-water mixture is more easily assembled; the pressure of effective alleviation dehydration equipment; substantially increase the absolute oil efficiency of oil conditioner; be the first protective barrier of further oil purification, avoid oily waste water to discharge simultaneously and cause environmental pollution.
4, the present invention can be widely used in various without on the oil mixing with water equipment of obvious separating interface.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of dewater unit of the present invention.
Fig. 2 is the A-A structural representation of a kind of embodiment of dewater unit of the present invention.
Fig. 3 is the power transmission shaft profilograph of a kind of embodiment of dewater unit of the present invention.
Fig. 4 is the structural representation of profit status monitoring part in the embodiment of the present invention 2.
Fig. 5 is dewatering flow chart in the embodiment of the present invention 2.
Fig. 6 is the structural representation of profit status monitoring part in the embodiment of the present invention 3.
In Fig. 4,6,22-2 profit state sensor, 23-3 profit state sensor, 24-4 profit state sensor.
Fig. 7 is dewatering flow chart in the embodiment of the present invention 3.
In above-mentioned figure, 1-water-oil separating part, 2-profit status monitoring part, 3-drive part, 4-water discharging part, 5-collect cavity, 6-housing, 7-water-oil separating chamber, 8-oil spill pipe.
111-upper bearing (metal), 112-lower bearing, 12-power transmission shaft, 13-water-oil separating screen drum, 121-hollow axle, 122-oil overflow hole, the centrifugal wheels of 123-, 124-spacer sleeve, 125-hollow feed pathway, 131-is separated pod apertures;
21-1 profit state sensor;
31-feed tube, 32-oil well pump, the import of 33-hydraulic motor, 34-hydraulic motor, the rotating shaft of 35-hydraulic motor, 36-hydraulic motor exports, 37-shaft coupling, 38-inlet;
41-drainpipe, 42-draining valve, 43-delivery port.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is further described.
The dewater unit (see Fig. 1-3) of the present invention's design, it is characterized in that this dewater unit comprises water-oil separating part 1, profit status monitoring part 2, drive part 3, water discharging part 4, housing 6, with oil spill pipe 8, described water-oil separating part 1 is coaxially arranged in housing 6, drives the power transmission shaft 12 of water-oil separating part 1 to rotate with process speed by drive part 3, waste water is discharged from water discharging part 4, and the oil product after dehydration then overflows from oil spill pipe 8.
Described water-oil separating part 1 comprises center line upper bearing (metal) 111 all on the same line, lower bearing 112, power transmission shaft 12 and water-oil separating screen drum 13; Described upper bearing (metal) 111 is fixed on centre position above housing 6, lower bearing 112 is fixed on centre position bottom water-oil separating screen drum 13, water-oil separating screen drum 13 is arranged in housing 6, and between upper bearing (metal) 111 and lower bearing 112, center is provided with the hole allowing hollow axle 121 to pass; Described power transmission shaft 12 is arranged on upper bearing (metal) 111 and lower bearing 112, and is connected with oil spill pipe 8 pipeline; Space in housing 6 is divided into water-oil separating chamber 7 and collect cavity 5 two parts by described water-oil separating screen drum 13, and water-oil separating chamber 7 is formed in water-oil separating screen drum 13, by the rotation of power transmission shaft 12 by water-oil separating; Collect cavity 5 is formed between the inwall of water-oil separating screen drum 13 and housing 6, is used for storing isolated water from pending oil product; The barrel of described water-oil separating screen drum 13 being evenly equipped with the separation pod apertures 131 of design quantity, after oil water mixture is separated in water-oil separating chamber 7, entering collect cavity 5 by being separated pod apertures 131.
Described power transmission shaft 12 comprises hollow axle 121, oil overflow hole 122, centrifugal wheels 123, spacer sleeve 124 and hollow feed pathway 125, and power transmission shaft 12 is for having the hollow axle 121 of hollow feed pathway 125, and outside hollow axle 121, cover has centrifugal wheels 123; Centrifugal wheels 123 are made up of several dish-shaped wheel disc identical to dozens of shape and size, are provided with spacer sleeve 124 between each upper and lower wheel disc, and in order to fixing wheel disc, and the height by changing spacer sleeve 124 controls the distance between each wheel disc; Spacer sleeve 124 is provided with the multiple oil overflow hole 122 be communicated with hollow feed pathway 125, and the oil product after dehydration enters hollow feed pathway 125 from oil overflow hole 122, by discharging in oil spill pipe 8;
Described profit status monitoring part 2 comprises at least one profit state sensor, No. 1 profit state sensor 21 is arranged on the bottom of water cavity 5, lower than the height of drainpipe 41, and be fixed on the inwall of housing 6, in order to the profit state in Real-Time Monitoring collect cavity 5, and by each point profit feedback of status to outer monitoring computer or central processing unit, outer monitoring computer or central processing unit to give an order discharge water valve 42 draining according to the profit state in collect cavity 5;
Described drive part 3 comprises feed tube 31, oil well pump 32, hydraulic motor import 33, hydraulic motor 34, hydraulic motor rotating shaft 35, hydraulic motor outlet 36, shaft coupling 37 and inlet 38, described hydraulic motor 34 is fixed on the centre position bottom housing 6, below water-oil separating screen drum 13; Pending oil product is extracted into hydraulic motor import 33 through feed tube 31 by oil well pump 32, flow to inlet 38, flow into the bottom of water-oil separating screen drum 13 through inlet 38 from hydraulic motor outlet 36;
Described feed tube 31, oil well pump 32 are connected with hydraulic motor import 33 successively pipeline, and the hydraulic motor outlet 36 of hydraulic motor 34 is connected with inlet 38 pipeline be arranged on bottom water-oil separating screen drum 13, pending oil product is through hydraulic motor 34, (hydraulic motor is the torque and rotational speed that the fluid pressure provided by hydraulic pump can change output shaft into drive hydraulic motor 34 to rotate, but the present invention does not use hydraulic pump drive, but the pending oil product with certain pressure is passed into hydraulic motor 34, hydraulic motor 34 is driven to rotate, this is also an innovative technology of the present invention), hydraulic motor rotating shaft 35 is connected with the power transmission shaft 12 be arranged in water-oil separating screen drum 13 by shaft coupling 37, power transmission shaft 12 can be driven to rotate with process speed, thus make pending oil product realize quick water-oil separating well, and the flow velocity of pending oil product can be changed by the rate of pumping changing oil well pump 32, thus the rotating speed of adjustment hydraulic motor 34.
Described water discharging part 4 comprises drainpipe 41, draining valve 42 and delivery port 43, and described drainpipe 41 is arranged on housing 6 lower sides, vertical connection radial with housing 6 sidewall, and drainpipe 41 end is provided with delivery port 43, and drainpipe 41 is provided with draining valve 42; Drainpipe 41 is connected with collect cavity 5, is used for discharging isolated water from pending oil product; During liquid oil-containing bottom collect cavity 5, draining valve 42 cuts out, seals delivery port 43 not to efflux wastewater, avoid oil product to waste and environmental pollution.
The pressure energy of pending oil product is the mechanical energy of power transmission shaft by the present invention, hydraulic motor 34 is utilized to replace common motor, do not need additional energy source, output torque is large, volume is little, lightweight, structure simple, thoroughly solves the problem that in prior art, device structure is huge, water-oil separating efficiency is low, speed governing is difficult.
A kind of dewater unit of the present invention's design is core technology of the present invention.Its direct purposes be exactly using this dewater unit as oil product predrainage treating apparatus for traditional oil conditioner, oil phase in oil-water mixture is more easily assembled, the pressure of effective alleviation dehydration equipment, improves the absolute oil efficiency of oil conditioner greatly, avoids oily waste water to discharge simultaneously and causes environmental pollution.The installation site of dewater unit of the present invention on traditional oil conditioner within the scope of the known technology of those skilled in the art, without the need to doing creative work.
The present invention also provides a kind of continuous predrainage method of oil conditioner simultaneously, it is characterized in that the method adopts oil conditioner of the present invention, and comprises the following steps:
(1) when pending oil product predrainage starts, oil well pump 32 works, the pending oil product of high-moisture is pumped to feed tube 31 from fuel tank at (comprising water, oil and emulsion), enter hydraulic motor import 33, flow to inlet 38 from hydraulic motor outlet 36, flow into bottom water-oil separating screen drum 13 through inlet 38; Pending oil product is through hydraulic motor 34, and drive hydraulic motor 34 to rotate, hydraulic motor 34 drives power transmission shaft 12 to rotate by shaft coupling 37, and under the influence of centrifugal force, oil water mixture is separated; The water of heavy phase outwards moves, and flow out to collect cavity 5 by being separated pod apertures 131, the oil of light phase, in center set, enters hollow feed pathway 125 by oil overflow hole 122;
(2) when oil product after the dehydration in hollow feed pathway 125 is abundant, overflow from the oil spill pipe 8 at dewater unit top, enter oil conditioner and carry out deep purifying, remove remaining minor amount of water and molecule impurity;
(3) status information of No. 1 profit state sensor 21, No. 2 profit state sensors, 22, No. 3 profit state sensors 23 and No. 4 profit state sensors 24 is read.
(4) do you judge that No. 4 profit state sensor 24 places are oil?
As being oil, selecting the signal of No. 4 profit state sensors 24 as reference signal, being used for calibrating other profit state sensors;
If not being oil, being oil water mixture, illustrating that now water content is too high in pending oil product, sends early warning signal;
(5) do you judge that No. 1 profit state sensor 21 place is water?
If be not water, illustrate bottom collect cavity 5 to be oil water mixture, close draining valve 42, prevent oil water mixture from discharging from delivery port 43;
If be water, illustrate for water bottom collect cavity 5, the not oil-containing in effluent in order to ensure, draining valve 42 depends on the state at No. 2 profit state sensor places 22;
(6) do you judge that No. 2 profit state sensor 22 places are water?
If be not water, illustrating bottom collect cavity 5 to be water, also may be oil water mixture, in order to prevent oil water mixture from misprinting, closes draining valve 42;
If be water, illustrate bottom collect cavity 5 to be water, open draining valve 42, the waste water after separation is discharged from delivery port 43, the aperture of draining valve 42 depends on the state at No. 3 profit state sensor 23 places;
(7) do you judge that No. 3 profit state sensor 23 places are water?
If be not water, illustrate that only having bottom collect cavity 5 is water, middle and lower part is oil water mixture, in order to prevent oil water mixture from misprinting, makes draining valve 42 keep half-open position;
If be water, illustrate that the middle and lower part of collect cavity 5 is water, so make draining valve 42 keep full-gear, the waste water in collect cavity 5 is discharged as early as possible;
(8) after draining valve 42 performs an action, step (3) is jumped to, periodic duty, until oil well pump 32 quits work.
The inventive method system innovative approach, but it depends on the improvement of described oil conditioner.The inventive method is by the oil and water zonation situation in Real-Time Monitoring collect cavity, control draining valve 42 action, unnecessary waste water can be discharged as early as possible, prevent oil water mixture from misprinting simultaneously, guarantee institute's effluent not oil-containing, thus make dewater unit carry out fast and effeciently predrainage process to pending oil product, can be used for equipment the fault pre-alarming of special circumstances such as to metal run out simultaneously, the problem that in thorough solution prior art, oil-water interfaces are unstable, emulsification is serious, profit state not easily detects, the pressure of effective alleviation dehydration equipment, improves oil purification efficiency.
Provide the specific embodiment of dewater unit of the present invention below.
Embodiment 1
Centrifugal wheels 123 described in the present embodiment are made up of the dish-shaped wheel disc that 6 shape and size are identical, wheel disk center is provided with the hole allowing hollow axle 121 to pass, distance between each wheel disc is 150mm, and the internal diameter of the diameter of centrifugal wheels 123 and water-oil separating screen drum 13 adapts (see Fig. 1-3).Described hydraulic motor 34 drives power transmission shaft 12 to rotate, oil water mixture in water-oil separating chamber 7 enters between each adjacent blades of centrifugal wheels 123 from the outer rim of centrifugal wheels 123, the High Rotation Speed along with the rotation of power transmission shaft 12, under the influence of centrifugal force, the water of heavy phase outwards moves along the disc of conical profile of centrifugal wheels 123, be thrown to water-oil separating screen drum 13 edge, gather water-oil separating screen drum 13 wall place, flowed out to the collect cavity 5 outside water-oil separating screen drum 13 by the separation pod apertures 131 on water-oil separating screen drum 13 wall; The oil of light phase is to water-oil separating screen drum 13 center flow, oil overflow hole 122 on interlobate by centrifugal wheels 123 under the promotion of follow-up oil product, hollow axle 121 enters hollow feed pathway 125, oil product after dehydration overflows from oil spill pipe 8, flow to the apparatus for purifying oil products of next stage.
In an embodiment, described oil overflow hole 122 is evenly distributed between neighbouring two disc of conical profiles of the axis body of hollow axle 121, centrifugal wheels 123, and oil overflow hole 122 quantity between every two disc of conical profiles is 4 (see Fig. 1-3).In order to process the smooth spilling of rear oil product, oil overflow hole 122 is set to inner height outer low (i.e. oil overflow hole 122 on hollow axle 121 outer surface opening down), and the angle between the center line of duct axis and hollow axle 121 is acute angle (preferably 45 °).
In the present embodiment, described inlet 38 and hydraulic motor export 33 pipelines and are connected, extend in water-oil separating screen drum 13, be arranged on bottom water-oil separating screen drum 13, inlet 38 is set to inner low outer height (namely the opening of inlet 38 is towards the direction of hollow axle 121) (see Fig. 1), pending oil product enters bottom water-oil separating screen drum 13 from inlet 38, along with the rotation of power transmission shaft 12, and water-oil separating between each wheel disc of centrifugal wheels 123.
In the present embodiment, described oil spill pipe 8 is arranged on centre position above housing 6, vertical connection radial with housing 6 top center, described oil spill pipe 8 extends into water-oil separating screen drum 13 through housing 6, be connected (see Fig. 1) with the hollow axle 121 of power transmission shaft 12, oil product after dehydration enters hollow feed pathway 125 from oil overflow hole 122, is discharged by oil spill pipe 8.
In the present embodiment, the separation method of above-mentioned dewater unit is adopted to be:
(1) moisture pending oil product (comprising water, oil and emulsion) is extracted in feed tube 31 by oil well pump 32, enter hydraulic motor import 33, the pressure energy of pending oil product is the mechanical energy of hydraulic motor rotating shaft 35 by hydraulic motor 34, drives power transmission shaft 12 to rotate by shaft coupling 37;
(2) pending oil product flows to inlet 38 from hydraulic motor outlet 36, enters bottom water-oil separating screen drum 13 through inlet 38;
(3) along with the high-speed rotation of power transmission shaft 12, pending oil product bottom water-oil separating screen drum 13 enters between each adjacent blades of centrifugal wheels 123 from the outer rim of centrifugal wheels 123, because water and oil are the different and mutual exclusive two-phase liquid of density, under the influence of centrifugal force, oil, water and emulsion obtain different sinking speed, are separated into rapidly water and oil;
(4) because the centrifugal sedimentation speed of the water of heavy phase is greater than the flow velocity of follow-up oil product, so water outwards moves along the blade of centrifugal wheels 123, be thrown to water-oil separating screen drum 13 edge, gather water-oil separating screen drum 13 wall place, flowed out to the collect cavity 5 outside water-oil separating screen drum 13 by the separation pod apertures 131 on water-oil separating screen drum 13 wall; The centrifugal sedimentation speed of the oil of light phase is less than the flow velocity of follow-up oil product, then under the promotion of follow-up oil product to water-oil separating screen drum 13 center flow, the oil overflow hole 122 on, hollow axle 121 interlobate by centrifugal wheels 123 enters hollow feed pathway 125;
(5) water after being separated enters collect cavity 5, and the density due to water is greater than the density of oil or oil water mixture, so water is to sinking, concentrates on the bottom of collect cavity 5; Oil or oil water mixture, to rising, concentrate on the top of collect cavity 5, and the oil at collect cavity 5 top or oil water mixture are by being separated pod apertures 131 squeezed go back tos water-oil separating chambeies 7;
(6) the profit state in profit status monitoring part 2 Real-Time Monitoring collect cavity 5 is utilized, according to oil and water zonation situation in the status information analytic set water cavity 5 of No. 1 profit state sensor 21, when bottom collect cavity 5, the position of No. 1 profit state sensor 21 is waste water, control draining valve 42 to open, the waste water after separation is discharged from delivery port 43;
(7) when oil product after the dehydration in hollow feed pathway 125 is abundant, the oil product after dehydration overflows from oil spill pipe 8, and the apparatus for purifying oil products flowing to next stage carries out deep purifying.
Pending oil product enters dewater unit and carries out first time simply purification, i.e. predrainage process, discharges most water in oil product, and the oil product after dehydration is sent to conventional apparatus for purifying oil products and carries out second time deep purifying, crack emulsion further, remove remaining minor amount of water in oil product.This method can carry out first time simply purification to pending oil product before entering conventional apparatus for purifying oil products; the equipment in prior art that solves to metal run out etc. fault time need shut down process, the problem such as device structure is huge, oil-water interfaces are unstable, water-oil separating efficiency is low, emulsification is serious; achieve the process of continuous print predrainage; the pressure of effective alleviation dehydration equipment, improves oil purification efficiency.
Embodiment 2
In the present embodiment, described profit status monitoring part 2 is provided with No. 1 profit state sensor 21, No. 2 profit state sensors 22 and No. 3 profit state sensors 23 (see Fig. 4), described No. 1 profit state sensor 21, No. 2 profit state sensors 22 and No. 3 profit state sensors 23 are capacitance sensors of 3 tape insulation structures, the profit state of each point in collect cavity is judged according to change in dielectric constant, in the vertical direction is at a distance of certain distance successively, be fixed on housing 6 inwall, be used for the profit state of monitoring three points.Described No. 1 profit state sensor 21, in the bottom of collect cavity 5, lower than the height of drainpipe 41, can be fixed on the inwall bottom housing 6; In same level bottom the center line of No. 2 profit state sensors 22 and water-oil separating screen drum 13; No. 3 profit state sensors 23 are arranged on the middle part of collect cavity 5.
In the present embodiment, oil and water zonation situation in described profit status monitoring part 2 Real-Time Monitoring collect cavity 5, by each point profit feedback of status to outer monitoring computer or central processing unit, outer monitoring computer or central processing unit judge oil and water zonation situation in collect cavity 5, control draining valve 42 action.Because dewater unit carries out the pretreated primary purification that dewaters, allowing containing minor amount of water in the oil product after process, in order to when containing a large amount of waste water in collect cavity 5, discharging unnecessary waste water as early as possible, prevent oil water mixture from misprinting simultaneously, guarantee institute's effluent not oil-containing.
In the present embodiment, provide a kind of dewatering (see Fig. 5) adopting above-mentioned profit status monitoring part 2, it comprises the following steps:
(1) when pending oil product predrainage starts, oil well pump 32 works, and is pumped to by pending oil product bottom water-oil separating screen drum 13; Pending oil product drives hydraulic motor 34 to rotate, and drives power transmission shaft 12 to rotate, and under the influence of centrifugal force, oil water mixture is separated; The oil of light phase, in center set, enters hollow feed pathway 125 by oil overflow hole 122;
(2) when oil product after the dehydration in hollow feed pathway 125 is abundant, overflow from the oil spill pipe 8 at dewater unit top, enter oil conditioner and carry out deep purifying, remove remaining minor amount of water and molecule impurity;
(3) water after being separated flows out to collect cavity 5 by being separated pod apertures 131, reads the status information of No. 1 profit state sensor 21, No. 2 profit state sensors 22 and No. 3 profit state sensors 23;
(4) do you judge that No. 1 profit state sensor 21 place is water?
If being not water, illustrating bottom collect cavity 5 to be oil water mixture, closing draining valve 42, prevent oil water mixture from discharging from delivery port 43;
As being water, illustrate for water bottom collect cavity 5, the not oil-containing in effluent in order to ensure, draining valve 42 depends on the state of No. 2 profit state sensors 22;
(5) do you judge that No. 2 profit state sensor 22 places are water?
If being not water, illustrating bottom collect cavity 5 to be water, also may be oil water mixture, in order to prevent oil water mixture from misprinting, closes draining valve 42;
As being water, to illustrate bottom collect cavity 5 as water, open draining valve 42 make separation after waste water discharge from delivery port 43, the aperture of valve depends on the state of No. 3 profit state sensors 23;
(6) do you judge that No. 3 profit state sensor 23 places are water?
If being not water, illustrate that only having bottom collect cavity 5 is water, middle and lower part is oil water mixture, in order to prevent oil water mixture from misprinting, makes draining valve 42 keep half-open position;
As being water, illustrating that the middle and lower part of collect cavity 5 is water, so make draining valve 42 keep full-gear, the waste water in collect cavity 5 being discharged as early as possible;
(7) after draining valve 42 performs an action, step (3) is jumped to, until oil well pump 32 quits work.
Further, in order to improve accuracy of identification and the drainage effect of profit state in collect cavity 5, profit status monitoring point can be increased between No. 1 profit state sensor 21 and No. 3 profit state sensors 23, the basis of existing " closedown ", " half-open ", " standard-sized sheet " three states increases valve state (such as " opening 1/4 valve " " opening 3/4 valve " etc.).
Embodiment 3
In the present embodiment, described profit status monitoring part 2 is provided with No. 1 profit state sensor 21, No. 2 profit state sensors 22, No. 3 profit state sensors 23 and No. 4 profit state sensors 24 (see Fig. 6), described No. 1 profit state sensor 21, No. 2 profit state sensors 22, No. 3 profit state sensors 23 and No. 4 profit state sensors 24 are capacitance sensors of 4 tape insulation structures, in the vertical direction is at a distance of certain distance successively, be fixed on housing 6 inwall, be used for the profit state of monitoring 4 points.Described No. 1 profit state sensor 21, in the bottom of collect cavity 5, lower than the height of drainpipe 41, can be fixed on the inwall bottom housing 6; In same level bottom the center line of No. 2 profit state sensors 22 and water-oil separating screen drum 13; No. 3 profit state sensors 23 are arranged on the middle part of collect cavity 5; No. 4 profit state sensors 24 are arranged on the top of collect cavity 5.
In the present embodiment, oil and water zonation situation in described profit status monitoring part 2 Real-Time Monitoring collect cavity 5, analyze the water content of pending oil product according to the capacitance C4 of No. 4 profit state sensors 24, send early warning signal when water content is too high, under normal circumstances as reference signal; Because the dielectric constant of water is much larger than the dielectric constant of oil, along with the increase of dielectric constant, capacitance increases, so the capacitance C3 of the capacitance C2 and 3 of the capacitance C1 of No. 1 profit state sensor 21, No. 2 profit state sensors No. 22 profit state sensor 23 is compared with C4 respectively, oil and water zonation situation in analytic set water cavity 5, after the waste water in collect cavity 5 is increased to certain altitude, control draining valve 42 and open, the waste water after separation is discharged from delivery port 43.
In the present embodiment, provide a kind of dewatering (see Fig. 7) adopting above-mentioned profit status monitoring part 2, it comprises the following steps:
(1) when pending oil product predrainage starts, oil well pump 32 works, and is pumped to by pending oil product bottom water-oil separating screen drum 13; Pending oil product drives hydraulic motor 34 to rotate, and drives power transmission shaft 12 to rotate, and under the influence of centrifugal force, oil water mixture is separated; The oil of light phase, in center set, enters hollow feed pathway 125 by oil overflow hole 122;
(2) when oil product after the dehydration in hollow feed pathway 125 is abundant, overflow from the oil spill pipe 8 at dewater unit top, enter oil conditioner and carry out deep purifying, remove remaining minor amount of water and molecule impurity;
(3) water after being separated flows out to collect cavity 5 by being separated pod apertures 131, read the capacitance C1 of No. 1 profit state sensor 21, the capacitance C2 of No. 2 profit state sensors 22, the capacitance C4 of capacitance C3 and No. 4 profit state sensor 24 of No. 3 profit state sensors 23 is (hereinafter referred to as C1, C2, C3, C4) status information;
(4) C4 < threshold value 1 is judged?
As C4 < threshold value 1, select C4 as reference signal, be used for calibrating other profit state sensors;
As C4 >=threshold value 1, be oil water mixture herein, illustrate that now water content is too high in pending oil product, may occur that equipment such as to be metalled run out at the special circumstances, send early warning signal;
(5) C1/C4 > threshold value 2 is judged?
As C1/C4≤threshold value 2, illustrate bottom collect cavity 5 to be oil water mixture, close draining valve 42, prevent oil water mixture from discharging from delivery port 43;
As C1/C4 > threshold value 2, illustrate for water bottom collect cavity 5, the not oil-containing in effluent in order to ensure, draining valve 42 depends on the state of No. 2 profit state sensors 22;
(6) C2/C4 > threshold value 2 is judged?
As C2/C4≤threshold value 2, illustrating bottom collect cavity 5 to be water, also may be oil water mixture, in order to prevent oil water mixture from misprinting, closes draining valve 42;
As C2/C4 > threshold value 2, to illustrate bottom collect cavity 5 as water, open draining valve 42 make separation after waste water discharge from delivery port 43, the aperture of valve depends on the state of No. 3 profit state sensors 23;
(7) C3/C4 > threshold value 3 is judged?
As C3/C4≤threshold value 2, illustrate that only having bottom collect cavity 5 is water, middle and lower part is oil water mixture, in order to prevent oil water mixture from misprinting, makes draining valve 42 keep half-open position;
As C3/C4 > threshold value 2, illustrate that the middle and lower part of collect cavity 5 is water, so make draining valve 42 keep full-gear, the waste water in collect cavity 5 is discharged as early as possible;
(8) after draining valve 42 performs an action, step (3) is jumped to, until oil well pump 32 quits work.
The present invention does not address part and is applicable to prior art.
Claims (7)
1. a dewater unit, it is characterized in that this dewater unit comprises water-oil separating part, profit status monitoring part, drive part, water discharging part, housing and oil spill pipe, described water-oil separating part is coaxially arranged in housing, drive the power transmission shaft of water-oil separating part to rotate with process speed by drive part, waste water is discharged from water discharging part, and the oil product after dehydration then overflows from oil spill pipe;
Described water-oil separating part comprises center line upper bearing (metal) all on the same line, lower bearing, power transmission shaft and water-oil separating screen drum; Described upper bearing (metal) is fixed on centre position above housing, and lower bearing is fixed on centre position bottom water-oil separating screen drum, and described power transmission shaft is arranged on upper bearing (metal) and lower bearing, and is connected with oil spill pipe pipeline; Space in housing is divided into water-oil separating chamber and collect cavity two parts by described water-oil separating screen drum, and water-oil separating chamber is formed in water-oil separating screen drum, by the rotation of power transmission shaft by water-oil separating; Collect cavity is formed between the inwall of water-oil separating screen drum and housing, is used for storing isolated water from pending oil product; The barrel of described water-oil separating screen drum being evenly equipped with the separation pod apertures of design quantity, after oil water mixture is separated in water-oil separating chamber, entering collect cavity by being separated pod apertures;
Described power transmission shaft comprises hollow axle, oil overflow hole, centrifugal wheels, spacer sleeve and hollow feed pathway, and hollow feed pathway is opened in hollow axle, and outside hollow axle, cover has centrifugal wheels; Centrifugal wheels are made up of the dish-shaped wheel disc of the identical design quantity of shape and size, are provided with spacer sleeve between adjacent upper and lower wheel disc, and in order to fixing dish-shaped wheel disc, and the height by changing spacer sleeve controls the distance between each wheel disc; Spacer sleeve is provided with the multiple oil overflow hole be communicated with hollow feed pathway, and the oil product after dehydration enters hollow feed pathway from oil overflow hole, then is discharged by oil spill pipe;
The bottom that described profit status monitoring part comprises at least one profit state sensor, profit state sensor is arranged on water cavity, lower than the height of drainpipe, and be fixed on the inwall of housing, in order to the profit state in Real-Time Monitoring collect cavity, and by each point profit feedback of status to outer monitoring computer or central processing unit, outer monitoring computer or central processing unit are according to the profit status command discharge water valve draining in collect cavity;
Described drive part comprises feed tube, oil well pump, hydraulic motor import, hydraulic motor, hydraulic motor rotating shaft, and hydraulic motor exports, shaft coupling and inlet, and described hydraulic motor is fixed on the centre position below housing bottom, water-oil separating screen drum; Pending oil product is extracted into hydraulic motor import through feed tube by oil well pump, from hydraulic motor outlet flow to inlet, flows into the bottom of water-oil separating screen drum through inlet;
Described feed tube, oil well pump are connected with hydraulic motor import successively pipeline, the outlet of the hydraulic motor of hydraulic motor be arranged on water-oil separating sieve bottom inlet pipeline be connected; Pending oil product is through hydraulic motor, driving hydraulic motor rotates, hydraulic motor rotating shaft is connected with the power transmission shaft be arranged in water-oil separating screen drum by shaft coupling, power transmission shaft can be driven to rotate with process speed, thus make pending oil product realize quick water-oil separating well, and the flow velocity of pending oil product can be changed by the rate of pumping changing oil well pump, thus the rotating speed of adjustment hydraulic motor;
Described water discharging part comprises drainpipe, draining valve and delivery port, and described drainpipe is arranged on lower housing portion sidewall, vertical connection radial with housing sidewall, and drainage pipe end is provided with delivery port, and drainpipe is provided with draining valve; Drainpipe is connected with collect cavity, is used for discharging isolated water from pending oil product.
2. dewater unit according to claim 1, it is characterized in that described profit state sensor is 4, i.e. No. 1 profit state sensor, No. 2 profit state sensors, No. 3 profit state sensors and No. 4 profit state sensors, 4 profit state sensors successively in the vertical direction are fixed on the inwall of housing at a distance of designed distance.
3. dewater unit according to claim 1, is characterized in that the capacitance sensor of described profit state sensor select tape insulation system, to judge the profit state of each point in collect cavity according to change in dielectric constant.
4. dewater unit according to claim 1, it is characterized in that described oil overflow hole is set to the outer low shape of inner height, and the angle between duct axis and the center line of hollow axle is acute angle.
5. dewater unit according to claim 4, is characterized in that described angle is 45 °.
6. an oil conditioner, is characterized in that this oil conditioner adopts the dewater unit of any one of claim 1-4 as its oil product predrainage treating apparatus.
7. a continuous predrainage method for oil conditioner, is characterized in that the method adopts oil conditioner according to claim 6, and comprises the following steps:
(1) when pending oil product predrainage starts, oil well pump work, the pending oil product of high-moisture, comprising water, oil and emulsion is pumped to feed tube from fuel tank, enter hydraulic motor import, from hydraulic motor outlet flow to inlet, flow into bottom water-oil separating screen drum through inlet; Pending oil product is through hydraulic motor, and drive hydraulic motor to rotate, hydraulic motor drives drive axis by shaft coupling, and under the influence of centrifugal force, oil water mixture is separated; The water of heavy phase outwards moves, and flow out to collect cavity by being separated pod apertures, the oil of light phase, in center set, enters hollow feed pathway by oil overflow hole;
(2) when oil product after the dehydration in hollow feed pathway is abundant, overflow from the oil spill pipe at dewater unit top, enter oil conditioner and carry out deep purifying, remove remaining minor amount of water and molecule impurity;
(3) No. 1 profit state sensor is read, No. 2 profit state sensors, the status information of No. 3 profit state sensors and No. 4 profit state sensors;
(4) do you judge that No. 4 profit state sensor places are oil?
If be oil, select the signal of No. 4 profit state sensors as reference signal, be used for calibrating other profit state sensors;
If be not oil, be oil water mixture, illustrate that now water content is too high in pending oil product, then send early warning signal;
(5) do you judge that No. 1 profit state sensor place is water?
If be not water, illustrate bottom collect cavity to be oil water mixture, close draining valve, prevent oil water mixture from discharging from delivery port;
If be water, illustrate for water bottom collect cavity, the not oil-containing in effluent in order to ensure, draining valve depends on the state at No. 2 profit state sensor places;
(6) do you judge that No. 2 profit state sensor places are water?
If be not water, illustrating bottom collect cavity to be water, also may be oil water mixture, in order to prevent oil water mixture from misprinting, closes draining valve;
If be water, illustrate bottom collect cavity to be water, open draining valve, the waste water after separation is discharged from delivery port, the aperture of draining valve depends on the state at No. 3 profit state sensor places;
(7) do you judge that No. 3 profit state sensor places are water?
If be not water, illustrate that only having bottom collect cavity is water, middle and lower part is oil water mixture, in order to prevent oil water mixture from misprinting, makes draining valve keep half-open position;
If be water, illustrate that the middle and lower part of collect cavity is water, so make draining valve keep full-gear, the waste water in collect cavity is discharged as early as possible;
After draining valve performs an action, jump to step (3), periodic duty, until oil well pump quits work.
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| CN201510626419.2A CN105107234B (en) | 2015-09-28 | 2015-09-28 | Dehydrating plant, and oil purifier and continuous pre-dehydrating method using dehydrating plant |
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| CN201510626419.2A CN105107234B (en) | 2015-09-28 | 2015-09-28 | Dehydrating plant, and oil purifier and continuous pre-dehydrating method using dehydrating plant |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106875625A (en) * | 2015-12-10 | 2017-06-20 | 张艳 | A kind of method and its device for realizing oil spilling detection |
| CN107720883A (en) * | 2017-11-10 | 2018-02-23 | 山东省科学院海洋仪器仪表研究所 | A kind of simple experiment room oily-water seperating equipment and separation method |
| CN108310811A (en) * | 2018-03-23 | 2018-07-24 | 世林（漯河）冶金设备有限公司 | A kind of full-automatic centrifugal type oil conditioner |
| CN109772901A (en) * | 2019-02-12 | 2019-05-21 | 河钢股份有限公司承德分公司 | Supporting roller bearing water inlet detecting device and system |
| CN113003765A (en) * | 2021-02-19 | 2021-06-22 | 顾艳东 | Oil-water separation purifier |
| CN115531924A (en) * | 2022-09-19 | 2022-12-30 | 浙江吉宝智能装备股份有限公司 | Roundabout channel oil-water separation system with separation membrane module and separation method |
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| CN101716431A (en) * | 2009-11-06 | 2010-06-02 | 重庆工商大学 | Self-priming centrifugal emulsion breaking processing machine for emulsified oil |
| CN205055497U (en) * | 2015-09-28 | 2016-03-02 | 河北工业大学 | Dewatering device and use device's absolute oil machine |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101716431A (en) * | 2009-11-06 | 2010-06-02 | 重庆工商大学 | Self-priming centrifugal emulsion breaking processing machine for emulsified oil |
| CN205055497U (en) * | 2015-09-28 | 2016-03-02 | 河北工业大学 | Dewatering device and use device's absolute oil machine |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106875625A (en) * | 2015-12-10 | 2017-06-20 | 张艳 | A kind of method and its device for realizing oil spilling detection |
| CN107720883A (en) * | 2017-11-10 | 2018-02-23 | 山东省科学院海洋仪器仪表研究所 | A kind of simple experiment room oily-water seperating equipment and separation method |
| CN108310811A (en) * | 2018-03-23 | 2018-07-24 | 世林（漯河）冶金设备有限公司 | A kind of full-automatic centrifugal type oil conditioner |
| CN109772901A (en) * | 2019-02-12 | 2019-05-21 | 河钢股份有限公司承德分公司 | Supporting roller bearing water inlet detecting device and system |
| CN113003765A (en) * | 2021-02-19 | 2021-06-22 | 顾艳东 | Oil-water separation purifier |
| CN115531924A (en) * | 2022-09-19 | 2022-12-30 | 浙江吉宝智能装备股份有限公司 | Roundabout channel oil-water separation system with separation membrane module and separation method |
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| CN105107234B (en) | 2017-03-22 |
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