CN201684439U - Demulsification separating device in centrifugal pulse electric field - Google Patents
Demulsification separating device in centrifugal pulse electric field Download PDFInfo
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- CN201684439U CN201684439U CN2010202136395U CN201020213639U CN201684439U CN 201684439 U CN201684439 U CN 201684439U CN 2010202136395 U CN2010202136395 U CN 2010202136395U CN 201020213639 U CN201020213639 U CN 201020213639U CN 201684439 U CN201684439 U CN 201684439U
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Abstract
A demulsification separating device in a centrifugal pulse electric field is mainly composed of a shaft sleeve, a bearing, a rotary drum top shaft, a control weir, a housing, a light phase liquid collecting tray, a heavy phase light collecting tray, electrodes, a rotary drum, an insulation sleeve, a baseframe, a mechanical seal device, an electrode locating gasket, a copper nut, a cable, an emulsion inlet, a heavy phase outlet and a light phase outlet; the housing is fixed on the baseframe; the rotary drum is positioned in a central position in the housing; the light phase outlet and the heavy phase outlet are arranged on the housing; the light phase liquid collecting tray and the heavy phase light collecting tray are disposed between the housing and the rotary drum for respectively collecting light phase and heavy phase liquids separated by the rotary drum; the emulsion inlet is positioned on the bottom of the rotary drum; the control weir is arranged in the rotary drum; the rotary drum housing is earthed as one electrode; and the other electrode is positioned in the center of the rotary drum and is linked with an externally connected pulse power supply by the cable; an pulse electric field is formed between electrodes and the rotary drum; the rotary drum is driven by the motor to rotate at a high speed so as to form a centrifugal field; and the emulsion is demulsified, conglomerated, deposited and separated under a combined action of the pulse electric field and the centrifugal field so as to complete the water-oil separating process.
Description
One, technical field
The utility model relates to a kind of centrifugal Breakdown Emulsion by Pulse Electric Field separator, be the isolation technics that a kind of Breakdown Emulsion by Pulse Electric Field and centrifugal breakdown of emulsion combine, be applicable to emulsion liquid film separation and water-oil separating fields such as water body purification recoverys that water-oil separating in the oil field, production and sanitary sewage disposal, organic liquid pollute, two-phase fluid separation applications.
Two, technical background
Emulsion is very complicated dispersion, and based on W/O (Water-In-Oil) type emulsion, the breakdown of emulsion of emulsion separates making full use of petroleum resources, improves crude output, produces and the life oily waste water treatment, and energy-saving and emission-reduction have great significance.Existing breaking method has gravitational settling breakdown of emulsion method, heating demulsification type method, chemical demulsification method, centrifugal breakdown of emulsion method and electric demulsification method, and especially the electric demulsification method is extensively adopted by the oil field.Conventional electric demulsification method is a lot, but when handling emulsion, is easy to generate electrical short and causes electric leakage phenomenon, meanwhile, has also caused the generation of complicated third phase emulsion, and dehydration has brought very big difficulty to emulsion breakdown.Simultaneously, conventional electric demulsification device dewatering speed is slow, bulky, the energy consumption height, and must can not realize continuous demulsification at breakdown of emulsion under the static conditions.
Impulse electric field is united demulsification technology separates the Pulse Electric breakdown of emulsion with centrifugal cyclone advantages with centrifugal field, the agglomeration process of breakdown of emulsion can be finished at short notice and the infall process that breakdown of emulsion is played main influence can be finished soon, this not only can solve electrodispersion and the electric wasting phenomenon that produces in the dehydration, avoid the generation of third phase, and finished the breakdown of emulsion process at short notice, and the time is short, and energy consumption is little, can implement continuous demulsification, have very high economic benefit.Centrifugal-Breakdown Emulsion by Pulse Electric Field representative experimental provision both at home and abroad has: BP UK 2249741A discloses a kind of novel oily-water seperating equipment, rotate at a high speed by the driven by motor rotary drum and to form centrifugal field, adopt the electrolyte solution that is connected with power supply as interior electrode, be positioned at the rotary drum division center, rotary drum outer wall ground connection, form electric field between the two, emulsion separates with breakdown of emulsion under the centrifugal force field synergy at impulse electric field.This apparatus structure is comparatively complicated, especially rotary drum central part diversity feed tube, electrolyte layer, power supply wiring, liquid outlet and radial diffusing liquid mouth are in one, the critical piece of different structure size is changed inconvenience, for the requirement of manufacturing, assembling and plant maintenance than higher.
Chinese patent ZL 01277410.3 discloses a kind of novel oily-water seperating equipment, separate with centrifugation synergy breakdown of emulsion by impulse electric field, this device is to utilize the hydrocyclone principle, the tangential access to plant rotational flow of the emulsion that relies on forms centrifugal field, owing to itself do not contain movement parts, the size of centrifugal force is by the flow velocity decision of emulsion, so increase the entrance velocity that centrifugal force just must increase emulsion, but the caused shearing force of liquid at high speed eddy flow, the turbulent flow panting action, can cause water droplet or oil droplet fragmentation, be unfavorable for the effective breakdown of emulsion of emulsion and separate.
Chinese patent ZL 94200766.2 discloses a kind of novel oily-water seperating equipment, and this device is incorporated into the rotary drum of a simple electric demulsification device and centrifuge in the device.Emulsion through the electric field breakdown of emulsion, enters rotary drum earlier again, separates under effect of centrifugal force, can also improve the electric demulsification effect by increasing a plurality of electrodes.This device pulse breakdown of emulsion and centrifugation must be carried out in proper order, the breakdown of emulsion under can not realizing electric field and centrifugal force field acting on simultaneously with separate.
Three, summary of the invention
The utility model provides a kind of centrifugal Breakdown Emulsion by Pulse Electric Field separator, this breaking device forms centrifugal field by the driven by motor drum rotating, and the size of centrifugal force can realize respectively that by the rotating speed decision of rotary drum centrifugal-impulse electric field associating breakdown of emulsion separates, easy and simple to handle, simultaneously simple in structure.
The technical scheme that the utility model adopted: this device primary structure comprises axle sleeve, upper bearing (metal), rotary drum apical axis, control weir, shell, light phase catch tray, heavy phase catch tray, electrode, rotary drum, insulation sleeve, lower bearing, support, mechanically-sealing apparatus, electrode locating shim, copper nut, cable, emulsion inlet, heavy out, light phase export.The shell that plays support and protective effect is fixed on the support; rotary drum is positioned at the centre of shell; light phase export and heavy out are arranged on the shell; wherein; weight two-phase catch tray is arranged between shell and the rotary drum; collect respectively by the isolated weight two-phase of rotary drum liquid; the emulsion inlet is positioned at the bottom of the drum; the control weir is housed in the rotary drum; the rotary drum frame ground is one of electrode; another electrode places the rotary drum center, is connected with the external pulse power by cable, forms an impulse electric field between electrode and the rotary drum; rotary drum rotates at a high speed under driven by motor and forms centrifugal field; the emulsion that enters by the bottom of the drum under the synergy of impulse electric field and centrifugal field, breakdown of emulsion; coalescent; sedimentation; separate, finished the water-oil separating overall process.
Rotary drum apical axis and shell and light rotatory sealing cooperation between the catch tray mutually, light phase catch tray outer cooperates with the shell bulge loop is spacing; Rotary drum and heavy phase catch tray are sealed and matched, and heavy phase catch tray outer cooperates with the shell bulge loop is spacing.
Electrode is a column type, places the rotary drum center, and rotary drum and electrode are coaxial between the two, constitutes cylindric electric field.
Be connected for bolt between rotary drum apical axis and rotary drum and the control weir.
Rotary drum drives rotation by the top rotating shaft, forms centrifugal field, and emulsion is entered by the emulsion inlet of rotary drum bottom.
The control weir is positioned at rotary drum top.
Characteristics of the present utility model and beneficial effect are:
1, can apply or comprehensively apply impulse electric field and centrifugal field effect respectively to oil water mixture or water-oil emulsion, carry out continuous demulsification, help improving separative efficiency and production efficiency.When the make pulse power supply, simultaneously during the driven by motor drum rotating, can carry out centrifugal-impulse electric field associating breakdown of emulsion and separate.
2, can improve demulsification efficiency and separative efficiency by comprehensive each operating parameter of adjusting.The paired pulses power supply of the comprehensive adjustment of operating parameter such as frequency, pulsewidth, voltage and rotary drum rotating speed, flow can be by to(for) emulsion of different nature reaches best demulsification, enhances productivity.
Four, description of drawings
Fig. 1 structural representation of the present utility model.
Five, the specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
1 is axle sleeve, the 2nd among Fig. 1, upper bearing (metal), the 3rd, rotary drum apical axis, the 4th, control weir, the 5th, shell, the 6th, light phase catch tray, the 7th, heavy phase catch tray, the 8th, electrode, the 9th, rotary drum, the 10th, insulation sleeve, the 11st, lower bearing, the 12nd, support, the 13rd, mechanically-sealing apparatus, the 14th, electrode locating shim, the 15th, copper nut, the 16th, cable, the 17th, emulsion inlet, the 18th, heavy out, the 19th, light phase export.The course of work of this device is: the breakdown of emulsion liquid for the treatment of of certain flow rate enters from the emulsion inlet 17 of the utility model bottom, enters rotary drum from rotary drum 9 bottoms.Emulsion enters catch tray 6,7 in rotary drum 9 after the breakdown of emulsion sedimentation after water-oil separating has been finished on control weir 4, flowed into separately in the collection container by heavy out 18, light phase export 19 respectively.
The specific embodiment is:
As shown in Figure 1, the centrifugal Breakdown Emulsion by Pulse Electric Field separator of the utility model, primary structure is made up of parts such as axle sleeve 1, upper bearing (metal) 2, rotary drum apical axis 3, control weir 4, shell 5, light phase catch tray 6, heavy phase catch tray 7, electrode 8, rotary drum 9, insulation sleeve 10, lower bearing 11, support 12, mechanically-sealing apparatus 13, electrode locating shim 14, copper nut 15, cable 16, emulsion inlet 17, heavy out 18, light phase exports 19.Support 12 and shell 5 supports, protection and fixations of device.Light phase export 19 and heavy out 18 are housed on the shell 5, between shell 5 and the rotary drum 9 light catch tray mutually 6 and heavy phase catch tray 7 are arranged, collect respectively by rotary drum 9 isolated weight two-phase liquid.Rotary drum 9 is positioned at the centre of separator, and emulsion inlet 17 is positioned at rotary drum 9 bottoms, and control weir 4 members such as grade are housed in the rotary drum 9, and electrode 8 is positioned at the center of rotary drum 9.Metal shell 5 in use must ground connection.Electrode 8 connects with cable 16 by copper nut 15, and cable 16 connects with the external pulse power, forms an impulse electric field between electrode 8 and the rotary drum 9; Axle sleeve 1 links to each other with motor, rotation at a high speed under driven by motor, and axle sleeve 1 drives rotary drum apical axis 3 and rotary drum 9 rotation at a high speed, the rotary drum 9 inner centrifugal field that form; Under the synergy of impulse electric field and centrifugal field, the water-oil separating overall process has been finished in breakdown of emulsion, coalescent, sedimentation, separation by bottom of the drum emulsion inlet 17 emulsion that enter.
The utility model operation principle: as shown in Figure 1.9 rotations of driven by motor rotary drum, emulsion are rotated at a high speed under the drive of rotary drum 9 thereupon and are formed centrifugal force field, and being added on the electrode 8 by cable 16 by the pulse power simultaneously has electric pulse, and produces certain impulse electric field thus.The emulsion that is entered by the bottom of the drum is under the synergy of impulse electric field and centrifugal field, and the water drop constantly vibrates, collision, interfacial film break, take place coalescent.Near combining, the particle diameter of drop increases water droplet mutually.Under powerful centrifugal action, the profit two-phase is separated gradually, is divided into inside and outside two-layer.Water is thrown toward rotary drum 9 walls, and lighter oil phase accumulates in rotary drum 9 centers relatively.Meanwhile, under the effect of certain pressure, the emulsion liquid level constantly moves up and arrives control 4 positions, weir.Under the effect on control weir 4, light, the heavy two-phase liquid of layering enters different runners respectively.Stopping of the controlled weir 4 of water, can only be close to rotatory drum wall and upwards flow by the gap on rotatory drum wall and control weir 4, finally throw away by the fluid hole on the rotary drum 9, enter heavy phase catch tray 7; Stopping of the controlled weir 4 of oil phase can only accumulate in rotary drum 9 central authorities, and upwards mobile by the center flow channels on control weir 4, the fluid hole through rotary drum 9 tops throws away, and enters light phase catch tray 6.Water and oil phase enter gently, behind the heavy phase catch tray, respectively in the collection container that light phase export 19, heavy out 18 flow into separately, and then finished water-oil separating.
Claims (7)
1. centrifugal Breakdown Emulsion by Pulse Electric Field separator, primary structure comprise axle sleeve, upper bearing (metal), rotary drum apical axis, control weir, shell, light phase catch tray, heavy phase catch tray, electrode, rotary drum, insulation sleeve, lower bearing, support, mechanically-sealing apparatus, electrode locating shim, copper nut, cable, emulsion inlet, heavy out, light phase export; The shell that it is characterized in that support and protective effect is fixed on the support; rotary drum is positioned at the centre of shell; light phase export and heavy out are arranged on the shell; wherein; weight two-phase catch tray is arranged between shell and the rotary drum; collect respectively by the isolated weight two-phase of rotary drum liquid; the emulsion inlet is positioned at the bottom of the drum; the control weir is housed in the rotary drum; the rotary drum frame ground is one of electrode; another electrode places the rotary drum center, is connected with the external pulse power by cable, forms an impulse electric field between electrode and the rotary drum; rotary drum rotates at a high speed under driven by motor and forms centrifugal field; the emulsion that enters by the bottom of the drum under the synergy of impulse electric field and centrifugal field, breakdown of emulsion; coalescent; sedimentation; separate, finished the water-oil separating overall process.
2. according to the breakdown of emulsion separator of claim 1, it is characterized in that rotary drum apical axis and shell and light rotatory sealing cooperation between the catch tray mutually, light phase catch tray outer cooperates with the shell bulge loop is spacing; Rotary drum and heavy phase catch tray are sealed and matched, and heavy phase catch tray outer cooperates with the shell bulge loop is spacing.
3. according to the breakdown of emulsion separator of claim 1, it is characterized in that electrode is a column type, place the rotary drum center, rotary drum and electrode are coaxial between the two, constitute cylindric electric field.
4. according to the breakdown of emulsion separator of claim 1, it is characterized in that being connected for bolt between rotary drum apical axis and rotary drum and the control weir.
5. according to the breakdown of emulsion separator of claim 1, it is characterized in that rotary drum drives rotation by the top rotating shaft, form centrifugal field, emulsion is entered by the emulsion inlet of rotary drum bottom.
6. according to the breakdown of emulsion separator of claim 1, it is characterized in that controlling the weir and be positioned at rotary drum top.
7. according to the breakdown of emulsion separator of claim 1, it is characterized in that described electrode make pulse power supply, the driven by motor drum rotating is carried out centrifugal-impulse electric field associating breakdown of emulsion and is separated simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202136395U CN201684439U (en) | 2010-06-03 | 2010-06-03 | Demulsification separating device in centrifugal pulse electric field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202136395U CN201684439U (en) | 2010-06-03 | 2010-06-03 | Demulsification separating device in centrifugal pulse electric field |
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| CN201684439U true CN201684439U (en) | 2010-12-29 |
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| CN2010202136395U Expired - Fee Related CN201684439U (en) | 2010-06-03 | 2010-06-03 | Demulsification separating device in centrifugal pulse electric field |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107174840A (en) * | 2017-05-27 | 2017-09-19 | 江苏金门能源装备有限公司 | A kind of electric field separating device and its separation method with stirring electrode |
| CN109364531A (en) * | 2018-12-06 | 2019-02-22 | 成都理工大学 | A kind of electrostatic eddy flow breaking device and its application |
-
2010
- 2010-06-03 CN CN2010202136395U patent/CN201684439U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107174840A (en) * | 2017-05-27 | 2017-09-19 | 江苏金门能源装备有限公司 | A kind of electric field separating device and its separation method with stirring electrode |
| CN107174840B (en) * | 2017-05-27 | 2019-04-05 | 江苏金门能源装备有限公司 | A kind of electric field separating device and its separation method with stirring electrode |
| CN109364531A (en) * | 2018-12-06 | 2019-02-22 | 成都理工大学 | A kind of electrostatic eddy flow breaking device and its application |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20110603 |