CN202246582U - Crude oil dehydration device - Google Patents
Crude oil dehydration device Download PDFInfo
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- CN202246582U CN202246582U CN2011204204457U CN201120420445U CN202246582U CN 202246582 U CN202246582 U CN 202246582U CN 2011204204457 U CN2011204204457 U CN 2011204204457U CN 201120420445 U CN201120420445 U CN 201120420445U CN 202246582 U CN202246582 U CN 202246582U
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- cabinet
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Abstract
The utility model discloses a crude oil dehydration device which comprises an oil-water separator; the oil-water separator is located at the upper end of a heating kettle; the upper part of the oil-water separator is provided with a condenser pipe; the heating kettle comprises a gyroscope-shaped kettle body, a kettle bottom valve and a kettle body dome; the gyroscope-shaped kettle body is internally provided with a conical spiral cooling coil and peripherally provided with an interlayer; the interlayer is internally provided with a snakelike heat conduction oil heating pipe; a heat conduction oil liquid level detector and a heat conduction oil filling port are arranged on the interlayer; a sample filling port is arranged on the kettle body dome; the crude oil dehydration device also comprises a control device, a heat conduction oil overflow pipe, a sample temperature sensor and a heat conduction oil temperature sensor which are connected with a radio-frequency admittance switch; the heating kettle is arranged in a cupboard through a bracket; and a control panel of the control device is arranged on the surface of the cupboard. In the crude oil dehydration device, a dehydration manner of combining distillation dehydration and heating settlement is adopted, so that the dehydration efficiency is improved and the water content of dehydrated crude oil is 0.5% less than that in the national standard.
Description
Technical field
The utility model relates to a kind of crude dehydrating plant, relates in particular to a kind of laboratory and uses crude dehydrating plant.
Background technology
The crude oil of extraction generally all contains the water of some amount from oil well, and exploitation, collection are failed, accumulating causes energy dissipation and crude oil water containing too much can be given, and increases cost; Emulsified water majority in the crude oil contains salt, has quickened the corrosion of equipment, container and pipeline; In the refining process, when water and crude oil were heated together, water is vaporized expanding rapidly outside oil, and pressure rises, and influences refinery's normal running and quality product, even can blast.Therefore before the outer output oil, need dewater, make water cut require to be no more than 0.5%.
Dehydrating of crude oil is the preliminary preparation of crude oil experimental analysis.The speed of dewatering speed and the quality of dehydrating effect have direct influence to follow-up test process and experimental result.Domestic laboratory generally adopts the heating distillation method that crude oil sample is carried out dehydration experiment, and this method dewatering time is longer, and to heavy dehydrating of crude oil poor effect.
At present; The laboratory crude oil dehydration method has dewaterings such as autoclave, heating sedimentation, thermochemistry, high voltage direct current; And use wherein a kind of in the above-mentioned dewatering separately, all have costs and poor dehydration results, bumping phenomenon basically, increased interfering factors problems such as (emulsion splitters).
The utility model content
To above-mentioned prior art, the utility model provides a kind of crude dehydrating plant, and utilization distillation dehydration and the dewatering type that combines of heating sedimentation have improved the efficient of dehydration, take off crude oil water-content all less than national normal value 0.5%.
In order to solve the problems of the technologies described above; The technical scheme that a kind of crude dehydrating plant of the utility model is achieved is; Comprise the water-and-oil separator that is positioned at the heating kettle upper end, the top of said water-and-oil separator is prolong, and said heating kettle comprises top in shape kettle, still bottom valve and kettle dome; Be provided with tapered spiral cooling coil pipe in the said top in shape kettle; The periphery of said top in shape kettle is provided with interlayer; Be provided with snakelike heat-conducting oil heating pipe in the said interlayer, said interlayer is provided with the thermal oil liquid level detector, and said interlayer is provided with the thermal oil filler; Said kettle dome is provided with the sample filler, also comprises radio frequency admittance switch, thermal oil upflow tube, sample temperature transmitter and thermal oil TP; Above-mentioned radio frequency admittance switch, snakelike heat-conducting oil heating pipe, tapered spiral cooling coil pipe, thermal oil liquid level detector, still bottom valve, sample temperature transmitter all are connected with a gear with the thermal oil TP; Said heating kettle is installed in the cabinet through support, and the control panel of said gear is arranged on the surface of said cabinet.
The utility model crude dehydrating plant, wherein, prolong is through up and down two adjustable clamping devices of multidigit and cabinet are fixed.The top of said cabinet is equipped with blower fan.In the said cabinet, below the still bottom valve that is positioned at the heating kettle bottom, be provided with a blowdown bucket.The top of said cabinet is provided with a head light.
Compared with prior art, the beneficial effect of the utility model is:
(1) kettle of the heating kettle in the utility model crude dehydrating plant has adopted the top in shape of awl under the last arc; Simultaneously, still top is dome structure, help more light constituent and water vapour shoot with still in the separating and discharge of profit; Improved the efficient of dehydrating of crude oil; And the top in shape kettle helps containing the sedimentation of silt crude oil more, can effectively remove impurity, recovers the self property of crude oil.
(2) if crude oil be heavy crude or contain the more crude oil of silt, in dehydration through regular meeting's rapid expansion of being heated, in case misoperation can produce the bumping phenomenon.The utility model crude dehydrating plant is provided with the radio frequency admittance switch, realizes robotization anti-overflow function through radio frequency admittance admittance position control techniques, thereby effectively avoids the generation of crude oil bumping phenomenon, has improved the security of operation.
(3) the heating kettle inside of the utility model is provided with the tapered spiral cooling coil pipe that matches with top in shape kettle shape, can effectively increase heat interchanging area and cooling effect scope, has further strengthened automatic anti-overflow function, has improved the efficient of dehydration.
(4) in addition, the utility model can carry out accurate temperature controlling to water of condensation, has not only improved the recovery of the light composition of crude oil, has also improved the recycle of water, and then has reduced cost.Be provided with gear in the utility model, can realize manually and automatic dual master mode, further guaranteed stability, the safety of equipment.
Description of drawings
Fig. 1 is the schematic appearance of the utility model crude dehydrating plant;
Fig. 2 is the structure front view of crude dehydrating plant shown in Figure 1;
Fig. 3 is the structural representation of heating kettle among Fig. 2.
Among the figure:
1---prolong 2---water-and-oil separator 3---sample temperature transmitter
4---snakelike heat-conducting oil heating pipe 5---thermal oil TP 6---thermal oil fillers
7---sample filler 8---thermal oil upflow tube 9---radio frequency admittance switches
10---the tapered spiral cooling of kettle dome 11---gyro type kettle 12---coil pipes
13---thermal oil liquid level detector 14---still bottom valve 15---blower fans
16---control panel 17---to the doorstep 18---bottom door
19---multidigit is adjustable clamping device 20---support 21---blowdown buckets
22---head light 23---valve state warning lamp 24---heating kettles
Embodiment
Below in conjunction with embodiment the utility model is done to describe in further detail.
Like Fig. 1, Fig. 2 and shown in Figure 3; A kind of crude dehydrating plant of the utility model; Comprise the water-and-oil separator 2 that is positioned at heating kettle 24 upper ends, the top of said water-and-oil separator 2 is prolong 1, and said heating kettle 24 comprises top in shape kettle 11, still bottom valve 14 and kettle dome 10; Be provided with tapered spiral cooling coil pipe 12 in the said top in shape kettle 11; The periphery of said top in shape kettle 11 is provided with interlayer; Be provided with snakelike heat-conducting oil heating pipe 4 in the said interlayer, said interlayer is provided with thermal oil liquid level detector 13, and said interlayer is provided with thermal oil filler 6; Said kettle dome 10 is provided with sample filler 7, also comprises radio frequency admittance switch 9, thermal oil upflow tube 8, sample temperature transmitter 3 and thermal oil TP 5; Above-mentioned radio frequency admittance switch 9, thermal oil liquid level detector 13, still bottom valve 14, sample temperature transmitter 3 all are connected with a gear with thermal oil TP 5; As shown in Figure 1, the control panel 16 of said gear is arranged on the surface of said cabinet; As shown in Figure 2; Said heating kettle 24 is installed in the said cabinet through support 20, for the ease of adjustment and operation, cabinet be provided with to the doorstep 17 with bottom door 18; Prolong 1 is fixed with cabinet through two adjustable clamping devices 19 of multidigit up and down; The top of said cabinet is equipped with blower fan 15, below the still bottom valve 14 that is positioned at heating kettle 24 bottoms, is provided with a blowdown bucket 21, and the top of said cabinet is provided with a head light 22; In order to show still bottom valve 14 unlatching or closing state, be provided with valve state warning lamp 23.
It is following to utilize the utility model to carry out the entire work process of dehydrating of crude oil:
Sample is heated to 40～50 ℃ with water bath with thermostatic control, and carefully stirs with glass stick; Uniform crude oil sample is measured 1000～2000mL sample with the 2000mL beaker, be filled into slowly in the heating kettle 24, tighten the bolt of application of sample mouth through sample filler 7.Turn on the power switch, the start-up control device, type is per sample regulated terminal point constant temperature time, terminal temperature, internal-external temperature difference through control panel 16.
Below with middle matter crude oil (specific density (d
4 20) 0.8661～0.9162) be the example setup parameter, light crude (specific density (d
4 20)＜0.8661), heavy crude (specific density (d
4 20) 0.9162～1.0000) and parameter setting see table 1.
The contrast of table 1 three quasi-oil parameter settings
Setting terminal point constant temperature time set(ting)value is 120min, if still have fried sound should prolong constant temperature time in the 120min post-heating still 24; Setting terminal temperature and be 180 ℃, internal-external temperature difference is 30 ℃, if in dehydration heating kettle 24 in fried sound acutely should adjust the temperature difference, reset 5～10 ℃ of reductions.The temperature of adjustment recirculated cooling water is 15 ℃; If when the crude oil expanded by heating surpasses the warning interface in dehydration, stop heating and also lower the temperature automatically; When the crude oil liquid level drops to original position, recover heating automatically, dewatering operation is proceeded; When sample after 180 ℃ of following constant temperature 120min do not have fried sound, then being defaulted as dehydration and finishing, lower the temperature this moment automatically, can take a sample until dropping to sample temperature 80 ℃.Cast out preceding 10ml sample during sampling, after taking off sample with beaker, and the light constituent in the susceptor is mixed fully in crude oil sample, and carefully stir, use in order to carrying out next step test.
After the dehydrating of crude oil operation is accomplished, to the cleaning of kettle inside.
After the crude oil sample dehydration finishes, still bottom valve 14 be should close, 1: 1 sherwood oil (60～90 ℃) and ethanol (95%) mixing solutions or industrial naptha about 1000ml added; Tightening the bolt of sample filler 7, is about 80 ℃ through control panel 16 control terminal temperatures, opens blower fan 15; And condensing reflux 10min; Cooling drops to about 50 ℃ gyro type kettle 11 inner mixing solutions temperature, opens still bottom valve 14 and is discharged into sealing preservation in the plastic tank to mixing solutions, and (annotate: mixing solutions can be recycled in order to using next time; Decide access times as the case may be, generally can use about 5 times.)。Although top combination figure is described the utility model; But the utility model is not limited to above-mentioned embodiment, and above-mentioned embodiment only is schematically, rather than restrictive; Those of ordinary skill in the art is under the enlightenment of the utility model; Under the situation that does not break away from the utility model aim, can also make a lot of distortion, these all belong within the protection of the utility model.
Claims (5)
1. crude dehydrating plant; Comprise the water-and-oil separator (2) that is positioned at heating kettle (24) upper end; The top of said water-and-oil separator (2) is prolong (1), it is characterized in that: said heating kettle (24) comprises top in shape kettle (11), still bottom valve (14) and kettle dome (10); Be provided with tapered spiral cooling coil pipe (12) in the said gyro type kettle (11); The periphery of said top in shape kettle (11) is provided with interlayer; Be provided with snakelike heat-conducting oil heating pipe (4) in the said interlayer, said interlayer is provided with thermal oil liquid level detector (13), and said interlayer is provided with thermal oil filler (6); Said kettle dome (10) is provided with sample filler (7), also comprises radio frequency admittance switch (9), thermal oil upflow tube (8), sample temperature transmitter (3) and thermal oil TP (5); Above-mentioned radio frequency admittance switch (9), snakelike heat-conducting oil heating pipe (4), tapered spiral cooling coil pipe (12), thermal oil liquid level detector (13), still bottom valve (14), sample temperature transmitter (3) all are connected with a gear with thermal oil TP (5); Said heating kettle (24) is installed in the cabinet through support (20), and the control panel of said gear (16) is arranged on the surface of said cabinet.
2. crude dehydrating plant according to claim 1 is characterized in that: said prolong (1) is through two adjustable clamping devices of multidigit (19) and cabinet are fixed up and down.
3. crude dehydrating plant according to claim 1 is characterized in that: the top of said cabinet is equipped with blower fan (15).
4. crude dehydrating plant according to claim 1 is characterized in that: in the said cabinet, be provided with a blowdown bucket (21) in the below of the still bottom valve (14) that is positioned at heating kettle (24) bottom.
5. crude dehydrating plant according to claim 1 is characterized in that: the top of said cabinet is provided with a head light (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204204457U CN202246582U (en) | 2011-10-28 | 2011-10-28 | Crude oil dehydration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204204457U CN202246582U (en) | 2011-10-28 | 2011-10-28 | Crude oil dehydration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202246582U true CN202246582U (en) | 2012-05-30 |
Family
ID=46107853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204204457U Expired - Fee Related CN202246582U (en) | 2011-10-28 | 2011-10-28 | Crude oil dehydration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202246582U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105542839A (en) * | 2016-02-19 | 2016-05-04 | 吕志强 | Energy-saving heavy-oil dehydrating device |
| CN105647572A (en) * | 2016-02-19 | 2016-06-08 | 吕志强 | Heavy oil dewatering device adopting proportional electromagnetic method |
| CN105694954A (en) * | 2016-02-19 | 2016-06-22 | 吕志强 | Automatic heavy oil dehydration device |
| CN105733665A (en) * | 2016-02-19 | 2016-07-06 | 吕志强 | Impurity-removal heavy oil dehydrating device |
| CN106893606A (en) * | 2017-04-10 | 2017-06-27 | 中国石油大学(华东) | A kind of dehydrating aging device |
| CN106916603A (en) * | 2017-03-10 | 2017-07-04 | 中国海洋石油总公司 | A kind of visual crude dehydrating plant and dewatering |
-
2011
- 2011-10-28 CN CN2011204204457U patent/CN202246582U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105542839A (en) * | 2016-02-19 | 2016-05-04 | 吕志强 | Energy-saving heavy-oil dehydrating device |
| CN105647572A (en) * | 2016-02-19 | 2016-06-08 | 吕志强 | Heavy oil dewatering device adopting proportional electromagnetic method |
| CN105694954A (en) * | 2016-02-19 | 2016-06-22 | 吕志强 | Automatic heavy oil dehydration device |
| CN105733665A (en) * | 2016-02-19 | 2016-07-06 | 吕志强 | Impurity-removal heavy oil dehydrating device |
| CN107227171A (en) * | 2016-02-19 | 2017-10-03 | 裘友张 | A kind of method of work of automatic heavy oil dehydration device |
| CN107267196A (en) * | 2016-02-19 | 2017-10-20 | 裘友张 | A kind of method of work of proportion expression electromagnetic method heavy oil dehydration device |
| CN107227171B (en) * | 2016-02-19 | 2019-06-28 | 何汉卿 | A kind of working method of automatic heavy oil dehydration device |
| CN106916603A (en) * | 2017-03-10 | 2017-07-04 | 中国海洋石油总公司 | A kind of visual crude dehydrating plant and dewatering |
| CN106893606A (en) * | 2017-04-10 | 2017-06-27 | 中国石油大学(华东) | A kind of dehydrating aging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170113 Address after: 100027 Beijing city Dongcheng District Dongzhimen Street No. 6 Patentee after: CNOOC Energy Technology Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee before: China National Offshore Oil Corporation Patentee before: CNOOC Energy Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20201028 |