CN202530046U - Electric desalting device - Google Patents
Electric desalting device Download PDFInfo
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- CN202530046U CN202530046U CN2012201634547U CN201220163454U CN202530046U CN 202530046 U CN202530046 U CN 202530046U CN 2012201634547 U CN2012201634547 U CN 2012201634547U CN 201220163454 U CN201220163454 U CN 201220163454U CN 202530046 U CN202530046 U CN 202530046U
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Abstract
The utility model discloses an electric desalting device. The electric desalting device comprises a heating unit (1) of a sealable heating device cavity (4) and water dividing bottles (2) in the sealable heating device cavity (4), electrodes are arranged in the water dividing bottles (2), and an air feeding hole (12) communicated with the sealable heating device cavity (4) is arranged on the wall of the heating unit (1). According to the electric desalting device, technological conditions of different electric desalting emulsion varieties, different demulsifying agent additions, different water injection amounts and the like can be tested simultaneously, technological conditions of temperatures, electric field intensities, residence time, mixing intensities and the like can be evaluated, the evaluation speed is rapid, the evaluation result is accurate, and the evaluation result can be directly used on electric desalting devices in an oil refinery and is close to electric desalting actual working conditions.
Description
Technical field
The utility model relates to a kind of electric desalting equipment, more specifically, relates to a kind of electric desalting equipment that electric desalting apparatus emulsion splitter and processing parameter are studied and estimated that is used in the petroleum refining process.
Background technology
Crude oil atmospheric vacuum distillation is first procedure of refinery crude oil processing, the time processing of the crude oil that is otherwise known as.The atmospheric and vacuum distillation of crude oil comprises three operations: the desalination of crude oil, dehydration; Air distillation; Underpressure distillation.Electric desalting then is first link of atmospheric and vacuum distillation.Crude oil electric desalting is not only the anticorrosion means of a kind of important technology, and is to provide high quality raw material requisite crude oil upgrading technology for downstream unit.The factor that influences the electric desalting apparatus last effect mainly comprises emulsion splitter model, emulsion splitter dosage, water injection rate, temperature, strength of electric field, the residence time etc.; For crude oil of different nature; The electric desalting operational condition also is not quite similar, and therefore just needs in the laboratory these operating parameterss to be optimized selection.
CN2107467U discloses a kind of electric desalting test apparatus; This instrument is made up of electric desalting device 5, bath of liquid casing 9, conductive fluid 10, well heater 8 and electrical control mechanism 15, and its electric desalting device 5 is several, is arranged in the bath of liquid casing 9; Electric desalting device 5 is made up of with the bar type electrode 7 that inserts in it housing 6 of splendid attire crude oil sample; Its housing 6 is that metallic substance makes, can partial simulation electric desalting operating mode, carry out technology of electric de-salting operating parameters static test.This electric desalting device use temperature can reach 220 ℃; But owing to can not inflate pressurization in the electric desalting device; When at high temperature the light constituent in the crude oil was too much, light constituent was very easy to vaporization, and the moisture that injects in the crude oil also is easy to vaporization and make test-results inaccurate.
CN101407729A discloses a kind of crude oil electric desalting test device; This device by electric desalting tank body 1, be positioned at tank body 1 inner cylindrical electrode grid 2, external electric cover 3, thermostat 16 and X-former 5 etc. and constitute, said tank body 1 is provided with observes thief hole 12.Said electric desalting tank body is vertical layout, and crude oil sample is the introducing of one side from tank body 1 bottom, and one side is drawn from tank body 1 top.Although this device can carry out the electric desalting dynamic analog test, that is, constantly one side is introduced into crude oil sample from tank body 1 bottom; And from tank body 1 top one side is drawn, but when test required former oil mass big, starting time is long, when under different condition, making an experiment if desired; Time swap, the starting time of raw material are longer, and cause testing consuming time very long, therefore; Be unfavorable for the evaluation of multiparameter, multilevel electric desalting operating parameters, especially be unfavorable for screening for a large amount of dissimilar emulsion splitters.
The utility model content
The purpose of the utility model is to overcome poor for applicability, the shortcomings such as the crude oil consumption big, test length consuming time of light oil that the electric desalting equipment of prior art exists, and the electric desalting equipment that a kind of light oil suitability is good, the crude oil consumption is little, test period is short is provided.
To achieve these goals; The utility model provides a kind of electric desalting equipment; Wherein, this electric desalting equipment comprises the heating unit 1 with sealable heating unit cavity 4, and the branch water bottle 2 that is positioned at this sealable heating unit cavity 4; Water bottle 2 set inside had electrode in said minute, and the wall of said heating unit 1 is provided with the aeration aperture 12 that can communicate with said sealable heating unit cavity 4.
The electric desalting equipment that the utility model provides can charge into the pressure of gas with the control test process through aeration aperture 12 in sealable heating unit cavity 4; Therefore; The working pressure that can make the breaking emulsion and dewatering process is greater than the saturated vapor pressure of water under this temperature; Guarantee that water can not vaporize, to guarantee result's accuracy.Because the working temperature of said electric desalting equipment can reach 160 ℃, WP can reach 2.0MPa, and voltage can reach 3000V, and is therefore, high with the processing parameter simulation degree of on-the-spot electric desalting apparatus.
The electric desalting equipment that the utility model provides can be used for processing condition such as the add-on of electric desalting emulsion splitter kind and different emulsion splitters, different injection amount are tested simultaneously; But processing condition such as evaluation temperature, strength of electric field, the residence time, mixture strength also; Evaluation speed is fast, evaluation result is accurate; And evaluation result can directly be used for the refinery electric desalting apparatus, and is close with the electric desalting actual condition.
In addition, the electric desalting equipment that the utility model provides has compact construction, volume is little, advantage easy and simple to handle, that the test period short and the crude oil consumption is little and energy consumption is little.
Preferably, the wall of said heating unit 1 is provided with the venting hole 13 that can communicate with said sealable heating unit cavity 4.
Preferably, said heating unit 1 comprises the housing 15 and lid 5 that holds said heating unit cavity 4, and said aeration aperture 12 is arranged on venting hole 13 and covers on 5.
Preferably; Said heating unit 1 also comprises TP, temperature regulator 8 and well heater; Said TP is electrically connected with temperature regulator 8; Said TP is used to detect the temperature in the heating unit cavity 4 of heating unit 1, and will represent that the electrical signal of this temperature sends to said temperature regulator 8, and said temperature regulator 8 is controlled said well heater according to said electrical signal.
Preferably, said electric desalting equipment also comprises timing register 9 and X-former unit, and said X-former unit is electrically connected with timing register 9 and X-former 6; The X-former unit is used for the connection and the disconnection of transformer 6; After being communicated with X-former 6, the X-former unit sends to timing register 9 with electrical signal and picks up counting, reach the predefined time after; Timing register 9 sends to the X-former unit with electrical signal, and the X-former unit breaks off X-former 6 according to said electrical signal.
Preferably, the housing 15 of said heating unit 1 has chuck, and the heat-eliminating medium that is connected with said chuck inlet 10 and heat-eliminating medium outlet 16.
Preferably, the number of said minute water bottle 2 is 2-6; Said minute water bottle 2 processed by glass, and the bottom of said minute water bottle 2 is a cone shape, and the less part of the diameter of said cone shape down.
Description of drawings
Accompanying drawing is the further understanding that is used to provide the utility model, and constitutes the part of specification sheets, is used to explain the utility model with following embodiment, but does not constitute the restriction to the utility model.In the accompanying drawings:
The structural representation of the electric desalting equipment that Fig. 1 provides for the utility model;
The synoptic diagram of the branch water bottle in the electric desalting equipment that Fig. 2 provides for the utility model.
Description of reference numerals
2 fens water bottle 3 electrodes of 1 heating unit, 4 heating unit cavitys, 5 lids, 6 X-formers
7 overcurrent protectors, 8 temperature regulators, 9 timing registers, 10 heat-eliminating mediums, 11 SV that enter the mouth
The outlet of 12 aeration apertures, 13 venting holes, 14 tensimeters, 15 housings, 16 heat-eliminating mediums.
Embodiment
Below the embodiment of the utility model is elaborated.Should be understood that embodiment described herein only is used for explanation and explains the utility model, is not limited to the utility model.
As shown in Figure 1; The electric desalting equipment that the utility model provides comprises the heating unit 1 with sealable heating unit cavity 4; And the branch water bottle 2 that is positioned at this sealable heating unit cavity 4; Water bottle 2 set inside had electrode in said minute, and the wall of said heating unit 1 is provided with the aeration aperture 12 that can communicate with said sealable heating unit cavity 4.
According to the utility model, the type of heating of said heating unit 1 can be preferably aluminium and bathe heating for well known to a person skilled in the art any type of heating.More firm for what the branch water bottles 2 that are arranged in the heating unit cavity 4 were placed; Thereby warranty test result's accuracy; The shape of said heating unit cavity 4 is complementary with shape, the size of dividing water bottle 2 with size is preferred, to hold said minute water bottle 2 better.
The utility model does not limit the number of said minute water bottle 2 is special, and under the preferable case, the electric desalting equipment that the utility model provides can carry out the electric desalting operation to a plurality of crude oil samples simultaneously, and therefore, the number of said minute water bottle 2 can be for a plurality of, as 2-6.Therefore, can a plurality of minutes water bottles be placed in the heating unit cavity 4 simultaneously, carry out the test of parallel appearance test or different condition with realization, thereby improve test efficiency.As shown in Figure 2; For the ease of accurately reading the branch aquifer yield, and be convenient to observe the state (as limpid, muddy or suspension elaioleucite etc. arranged) of branch water outlet, and owing to divide water bottle 2 to be in the heating unit cavity 4 with certain pressure; Internal and external pressure balance; Therefore, said minute water bottle 2 is preferably by transparent material, as being processed by glass; More preferably, the bottom of said minute water bottle 2 is a cone shape, and the less part of the diameter of said cone shape down, and volume markings is set on body indicates, can read the amount of branch water outlet more intuitively, more accurately.
According to the utility model, the size of the electrode 3 of said minute water bottle 2 set inside can be selected according to actual needs, for example, can be 5-15cm for length, and width is 0.5-1.5cm, and thickness is the slender type pellet electrode of 0.2-2mm.In each branch water bottle 2 two electrodes are set preferably all, the distance of two electrodes is generally 1-3cm.In use, can be connected with the positive and negative electrode of High Level AC Voltage power supply, with thinking certain strength of electric field is provided in the branch water bottle 2 through the electric current that feeds electrode 3, and realize the electric desalting of crude oil sample through being positioned at said heating unit 1 outside X-former 6.
According to the utility model, said aeration aperture 12 is connected with heating unit cavity 4 in order to said heating unit cavity 4 is carried out pneumatic compression.The said gases that charge in the heating unit cavity 4 can be various with minute water bottle 2 in the crude oil samples reaction do not influence the gases of detected result, like rare gas elementes such as air and nitrogen, periodic table of elements zero group gases.
According to the utility model, under the preferable case, the wall of said heating unit 1 is provided with the venting hole 13 that can communicate with said sealable heating unit cavity 4 in order to after the electric desalting off-test, to discharge the gas in the said heating unit cavity 4.
Under the preferable case; In order more easily heating unit cavity 4 to be carried out pneumatic compression and exhaust; Can also be respectively in aeration aperture 12 and venting hole 13, ventpipe be set, and the part outer tube wall of said ventpipe is tightly connected with the hole wall of aeration aperture 12 and venting hole 13 respectively air tight to guarantee.
According to the utility model, for the security that guarantees to operate, the wall of said heating unit 1 is provided with SV 11; And said SV 11 is connected with heating unit cavity 4; When the device hypertonia (for example, greater than 3.0MPa), SV 11 can be opened automatically; Said heating unit cavity 4 is carried out pressure release, with the safety of assurance device.
According to the utility model; The method that makes heating unit cavity 4 form closed environment can be for well known to a person skilled in the art any method; Under the preferable case; Said heating unit 1 comprises the housing 15 and lid 5 that holds said heating unit cavity 4, and said lid 5 is removably mounted on the open-mouth of housing 15 and makes heating unit cavity 4 sealings in the heating unit 1, satisfies the requirement that it reaches closed environment.Wherein, The unlimited mode of sentencing the heating unit cavity 4 of heated sealed device 1 inside that said lid 5 is installed in the housing 15 of heating unit 1 is preferably fixed connection; For example; Can be tightly connected through bolted mode and lid 5 and object 15, thereby assurance heating unit cavity 4 can be kept certain pressure and not leak.
Under the preferable case, for the ease of operation, said aeration aperture 12, venting hole 13 and SV 11 all are arranged on and cover on 5.
According to the utility model, for monitoring in real time or change processing condition, like temperature condition; Under the preferable case; Said heating unit 1 also comprises TP, temperature regulator 8 and well heater, and said TP is electrically connected with temperature regulator 8, and said TP is used to detect the temperature in the heating unit cavity 4 of heating unit 1; And the electrical signal that will represent this temperature sends to said temperature regulator 8, and said temperature regulator 8 is controlled said well heater according to said electrical signal.For example; In use; The TR that starts well heater or break off well heater can be set according to the requirement of experiment condition, when the temperature in TP detects the heating unit cavity 4 of heating unit 1 is lower than the start-up temperature of setting, the unlatching that temperature regulator 8 can control heater; When the temperature in TP detects the heating unit cavity 4 of heating unit 1 is higher than the cut-out temperature of setting, the disconnection that temperature regulator 8 can control heater.
According to the utility model; Said electric desalting equipment can also comprise tensimeter 14; In use; Can detect and show the pressure size in the said heating unit cavity 4 through being arranged on the outside tensimeter of heating unit 1 14, and can inflate and exhaust, with the pressure in the control heating unit cavity 4 through manual type.
According to the utility model, said electric desalting equipment can also comprise timing register 9 and X-former unit, and said X-former unit is electrically connected with timing register 9 and X-former 6; Said X-former unit is used for the connection and the disconnection of transformer 6, after being communicated with X-former 6, begins to applying electric field in minute water bottle 2; The X-former unit sends to timing register 9 with electrical signal and picks up counting; Timing register 9 applies time of electric field according to predefined time record, and after reaching the predefined time, timing register 9 sends to the X-former unit with electrical signal; The X-former unit breaks off X-former 6 according to this electrical signal, to stop to apply electric field for minute water bottle 2.
According to the utility model, said temperature regulator 8 and X-former unit can be arranged on the same control module, also can be provided with respectively.
According to the utility model, said heating unit 1 also comprises overcurrent protector 7, and when the device electric current surpassed set(ting)value, X-former cut off the power supply to guarantee the safe handling of electric equipment automatically.
According to the utility model, for cooling quickly after accomplishing test, under the preferable case, the housing 15 of said heating unit 1 has chuck, and the heat-eliminating medium that is connected with said chuck inlet 10 and heat-eliminating medium outlet 16.In use, introduce heat-eliminating medium, and heat-eliminating medium is drawn in the heat-eliminating medium outlet 16 that is communicated with said chuck, to cool off said heating unit 1 through the heat-eliminating medium inlet 10 that is communicated with said chuck.Said heat-eliminating medium can be preferably water for the various heat-eliminating mediums that are applicable to electric desalting equipment.
According to one of the utility model concrete embodiment; Said electric desalting equipment comprises the heating unit 1 with sealable heating unit cavity 4; And the branch water bottle 2 that is positioned at this sealable heating unit cavity 4, the wall of said heating unit 1 is provided with the aeration aperture 12 that can communicate with said sealable heating unit cavity 4.Said heating unit 1 comprises housing 15 and lid 5; Dividing the quantity of water bottle 2 is 4, and all is placed in the heating unit cavity 4, is provided with two electrodes 3 in each branch water bottle 2; Said lid 5 connects heating unit 1 sealing through bolt, makes heater chamber 4 form closed environment; Two electrodes 3 that are positioned at branch water bottle 2 are connected with the positive and negative electrode of High Level AC Voltage power supply through being positioned at said heating unit 1 outside X-former 6 respectively; Also be provided with aeration aperture 12, venting hole 13 and SV 11 on the said lid 5, and said aeration aperture 12 communicates with heating unit cavity 4 in order to said heating unit cavity is carried out pneumatic compression and exhaust through the ventpipe that part sets within it respectively with venting hole 13.Heating unit 1 also comprises TP, temperature regulator 8 and well heater; Said TP is electrically connected with temperature regulator 8; Said TP is used to detect the temperature in the heating unit cavity 4 of heating unit 1; And the electrical signal that will represent this temperature sends to said temperature regulator 8, and said temperature regulator 8 is controlled said well heater according to said electrical signal.Said electric desalting equipment also comprises timing register 9 and X-former unit; Said X-former unit is electrically connected with timing register 9 and X-former 6, and the X-former unit is used for the connection and the disconnection of transformer 6, behind the connection X-former 6; The X-former unit sends to timing register 9 with electrical signal and picks up counting; After reaching the predefined time, timing register 9 sends to the X-former unit with electrical signal, and the X-former unit breaks off X-former 6 according to said electrical signal.
Concrete TP comprises: get a certain amount of crude oil sample earlier; Add a certain amount of water and emulsion splitter (generally, the add-on of water is the 4-10 weight % of former weight of oil, and the add-on of emulsion splitter is a 10-100 μ g/g crude oil) in proportion; Be placed on electric furnace or baking oven internal heating to 60-90 ℃; Place then and stir 1-10min on the whisking appliance, make crude oil sample, water, emulsion splitter thorough mixing even, respectively get 100mL and move into respectively in 4 branch water bottles 2.To divide water bottle 2 to put into heating unit cavity 4 then, and electrode 3 inserted respectively divide in the water bottle 2, and close the lid 5, and screw, with heating unit 1 sealing.
Ventpipe through being communicated with aeration aperture 12 charges into nitrogen in heating unit cavity 4; Make the pressure in the heater chamber 4 reach 0.1-1.0MPa; And through the temperature in TP, temperature regulator 8 and the well heater control heater cavity 4, making temperature is 100-150 ℃, to reduce the viscosity of crude oil; Maintain 0.6-1.2MPa when rising to the temperature required back of test pressure, to guarantee that the water in the branch water bottle can not vaporized under this test temperature.Open the switch of X-former 6; Slowly regulate the high voltage adjusting knob, apply the 1000-3000V ac high voltage, in minute water bottle 2, produce highfield through electrode 3; Make to add strong collision and coalescence sedimentation gradually between the little water droplet in the mixing raw material, apply the time of electric field through timing register 9 controls.Behind the electric desalting EO; In the chuck of heating unit 1, feed water coolant through heat-eliminating medium inlet 10 and make it be cooled to room temperature (about 25 ℃), open venting hole 13 then and exit when pressure is zero, open and cover 5; Take out electrode 3; Take out to divide water bottle 2 then, record divides aquifer yield, and according to minute aquifer yield what and measure the quality that salts contg in the crude oil comes the evaluation test condition.
The input voltage of the electric desalting equipment that the utility model provides is 220V, and the alternating-current of 50Hz, output AC voltage are 0-4200V, and be adjustable continuously, and the output AC electric current is 0-100mA.The automatic span of control of said heating unit temperature be room temperature (as 25 ℃) to 160 ℃, and can set arbitrarily, temperature control precision is ± 1 ℃.Heater power is 600W, and complete machine power is not more than 1KW.The WP ultimate value is 2.0MPa.
The electric desalting equipment that the utility model provides can carry out the evaluation of a plurality of test conditionss simultaneously; When the suitable dosage of certain emulsion splitter is estimated; Wherein 1 branch water bottle does not add emulsion splitter; Can in other 3 branch water bottles, add certain mass fractional emulsion splitter successively, like 20 μ g/g crude oil, 30 μ g/g crude oil, the former wet goods of 40 μ g/g.When dissimilar emulsion splitters are estimated, as can be in 4 branch water bottles respectively adding wait the different sorts emulsion splitter of massfraction, make an experiment then.According to minute aquifer yield what with crude oil in the big or small suitable dosage that just can select suitable emulsion splitter and emulsion splitter of salts contg.
More than describe the preferred implementation of the utility model in detail; But; The utility model is not limited to the detail in the above-mentioned embodiment; In the technical conceive scope of the utility model, can carry out multiple simple variant to the technical scheme of the utility model, these simple variant all belong to the protection domain of the utility model.
Need to prove in addition; Each concrete technical characterictic described in above-mentioned embodiment under reconcilable situation, can make up through any suitable manner; For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible array modes.
In addition, also can carry out arbitrary combination between the various embodiment of the utility model, as long as its thought without prejudice to the utility model, it should be regarded as content disclosed in the utility model equally.
Claims (7)
1. electric desalting equipment; It is characterized in that; This electric desalting equipment comprises the heating unit (1) with sealable heating unit cavity (4); And the branch water bottle (2) that is positioned at this sealable heating unit cavity (4), water bottle (2) set inside had electrode in said minute, and the wall of said heating unit (1) is provided with the aeration aperture (12) that can communicate with said sealable heating unit cavity (4).
2. electric desalting equipment according to claim 1 is characterized in that, the wall of said heating unit (1) is provided with the venting hole (13) that can communicate with said sealable heating unit cavity (4).
3. electric desalting equipment according to claim 1 and 2 is characterized in that, said heating unit (1) comprises housing (15) and the lid (5) that holds said heating unit cavity (4), and said aeration aperture (12) and venting hole (13) are arranged on the lid (5).
4. electric desalting equipment according to claim 1; It is characterized in that; Said heating unit (1) also comprises TP, temperature regulator (8) and well heater, and said TP is electrically connected with temperature regulator (8), and said TP is used to detect the interior temperature of heating unit cavity (4) of heating unit (1); And the electrical signal that will represent this temperature sends to said temperature regulator (8), and said temperature regulator (8) is controlled said well heater according to said electrical signal.
5. electric desalting equipment according to claim 1; It is characterized in that said electric desalting equipment also comprises timing register (9) and X-former unit, said X-former unit is electrically connected with timing register (9) and X-former (6); The X-former unit is used for the connection and the disconnection of transformer (6); After being communicated with X-former (6), the X-former unit sends to timing register (9) with electrical signal and picks up counting, reach the predefined time after; Timing register (9) sends to the X-former unit with electrical signal, and the X-former unit breaks off X-former (6) according to said electrical signal.
6. electric desalting equipment according to claim 3 is characterized in that, the housing (15) of said heating unit (1) has chuck, and the heat-eliminating medium that is connected with said chuck inlet (10) and heat-eliminating medium outlet (16).
7. electric desalting equipment according to claim 1 is characterized in that, said minute water bottle (2) number be 2-6; Said minute water bottle (2) process by glass, said minute water bottle (2) the bottom be cone shape, and the less part of the diameter of said cone shape is down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201634547U CN202530046U (en) | 2012-04-17 | 2012-04-17 | Electric desalting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201634547U CN202530046U (en) | 2012-04-17 | 2012-04-17 | Electric desalting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202530046U true CN202530046U (en) | 2012-11-14 |
Family
ID=47131242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201634547U Expired - Lifetime CN202530046U (en) | 2012-04-17 | 2012-04-17 | Electric desalting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202530046U (en) |
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2012
- 2012-04-17 CN CN2012201634547U patent/CN202530046U/en not_active Expired - Lifetime
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| CX01 | Expiry of patent term |
Granted publication date: 20121114 |
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| CX01 | Expiry of patent term |