CN107198892B - The experimental provision and experimental method of water-oil separating and heat transfer property in draining caisson - Google Patents
The experimental provision and experimental method of water-oil separating and heat transfer property in draining caisson Download PDFInfo
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- CN107198892B CN107198892B CN201710382854.4A CN201710382854A CN107198892B CN 107198892 B CN107198892 B CN 107198892B CN 201710382854 A CN201710382854 A CN 201710382854A CN 107198892 B CN107198892 B CN 107198892B
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- draining caisson
- caisson
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0208—Separation of non-miscible liquids by sedimentation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/005—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion by thermal diffusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0208—Separation of non-miscible liquids by sedimentation
- B01D17/0214—Separation of non-miscible liquids by sedimentation with removal of one of the phases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/12—Auxiliary equipment particularly adapted for use with liquid-separating apparatus, e.g. control circuits
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
The experimental provision and experimental method of water-oil separating and heat transfer property in a kind of draining caisson, comprising: draining caisson model, the chilled water tank being arranged in draining caisson model, the feed pipe being arranged in draining caisson model；Wherein, the bottom bulkhead of chilled water tank is connected with draining adapter tube, and the inner cavity of chilled water tank is connected by draining adapter tube with flowmeter, and flowmeter is successively connected in series with heater box, agitator, centrifugal pump by pipeline；The discharge port of centrifugal pump is connected with feed pipe.The present invention can not only change inlet flow rate, temperature and oil concentration, solve the problems, such as to test the separating property and operating flexibility of active service draining caisson comprehensively；It can also enough separation situations by water-oil phase inside test draining caisson, find its axial regularity of distribution, reference frame is provided to the optimization design of inclined plate arrangement and other structures inside draining caisson from now on；Meanwhile being the whole corrosion protection design of draining caisson, provide reference frame.
Description
Technical field
The present invention relates to experimental provisions more particularly to a kind of for testing water-oil separating and heat transfer property in draining caisson
Experimental provision and experimental method.Belong to Offshore Engineering field.
Background technique
Draining caisson is the channel Pai Hai of production waste on offshore platform, sanitary sewage and deck rainwater, is contained as processing
The most end level-one significant process equipment of oily water, it is simple, cheap, treating capacity is big with its structure the advantages that it is more and more extensive
Ground is applied to offshore platform.Wherein, and it is most widely used with ramp type draining caisson.It can be effective by construction flowing static zones
The impurity such as the oil droplet contained in removal sewage are of great significance to guarantee cleaning marine oil and gas production and sustainable development.But
It is that, since draining caisson is placed in this severe corrosive environment of seawater, the temperature difference existing for the hot fluid and seawater of processing can add
Play corrosion.
Summary of the invention
It is a primary object of the present invention to overcome disadvantages mentioned above of the existing technology, and provide oil in a kind of draining caisson
The experimental provision and experimental method of water separation and heat transfer property, can not only change inlet flow rate, temperature and oil concentration, solve
Determined it is comprehensive test active service draining caisson separating property and operating flexibility problem；It can also enough pass through test draining caisson
The separation situation of internal water-oil phase finds its axial regularity of distribution, to inclined plate arrangement inside draining caisson from now on and other knots
The optimization design of structure provides reference frame；Meanwhile by the distribution of heat transfer temperature field in test draining caisson, it is found along axial direction
The internal-external temperature difference regularity of distribution, be draining caisson whole corrosion protection design, provide reference frame.
The purpose of the present invention is implemented by the following technical solutions:
The experimental provision of water-oil separating and heat transfer property in a kind of draining caisson, it is characterised in that: include: draining caisson mould
Type, the chilled water tank being arranged in draining caisson model, the feed pipe being arranged in draining caisson model；Wherein, chilled water tank
Bottom bulkhead be connected with draining adapter tube, the inner cavity of chilled water tank is connected by draining adapter tube with flowmeter, and flowmeter leads to
Pipeline is crossed successively to be connected in series with heater box, agitator, centrifugal pump；The discharge port of centrifugal pump is connected with feed pipe.
The draining caisson model is made of several levels separative unit, and separative unit is mainly by inclined plate, liter oil pipe and cabinet group
At, wherein the side of inclined plate and cabinet Joint；The bottom end for rising oil pipe is fixed on inclined plate；It is fixedly installed on cabinet and case
Intracoelomic cavity is connected, and passes through the probe tube and temperature tube of chilled water tank wall body；Draining caisson model is coaxial with chilled water tank
Line setting.
The agitator is speed change agitator；Heater box is control heated at constant temperature case.
The chilled water tank is equipped with the water inlet valve and a drain valve for recirculated cooling water, and the top of chilled water tank is provided with
Liquidometer；Reach the marine environment that simulation has certain environment temperature and liquid level by control cooling water output.
Thermocouple is housed, the probe of thermocouple extends to the inside of draining caisson model, leads on the end of the temperature tube
Connection temperature controller is crossed, draining caisson can be measured along axial each measuring point Temperature Distribution.
It is consistent with sample tap flow velocity in the draining caisson model, equipped with sampling needle-valve on sample tap.
The centrifugal pump is frequency conversion type, and the outlet of centrifugal pump is divided into two-way, leads to by control valve and flowmeter open all the way
Row's caisson model returns to agitator by control valve all the way for feeding.
The experimental method of water-oil separating and heat transfer property in a kind of draining caisson, it is characterised in that: using following experiment step
It is rapid:
Step 1: the data according to liquidometer inject the cold water at a temperature of environment to chilled water tank, so that beginning to rehearse
Caisson model lower part is immersed in the water, and during the experiment, temperature is in environment temperature always in chilled water tank；
Step 2: being passed into agitator after the water in heater box to be heated to the experimental temperature of setting, and to agitator
The crude oil of ratio needed for interior addition is tested opens the configuration of blender setting speed, required for being mixed into qualified oil, water
Mixture；
Step 3: opening centrifugal pump, corresponding revolving speed is adjusted, closes inlet valve, return valve is opened, so that in agitator
Oil water mixture further mixes, and samples observation emulsification degree by refluxing opening, prepares charging after qualified；
Step 4: adjustment reflux valve opening, and inlet valve is opened, the drain valve positioned at chilled water tank bottom is opened simultaneously,
And keep drain valve consistent with inlet flow rate, to guarantee that liquid level is constant in chilled water tank；And make water-oil separating and biography in draining caisson
The experimental provision of hot property is in the state of dynamic equilibrium；
Step 5: to each probe tube by etc. dynamic principle obtain water sample, and further progress oil concentration is tested, and then, is pressed
Each probe tube axial position draws concentration profile in draining caisson model；
Step 6: the thermocouple on each temperature-measuring port is accessed temperature controller, each point temperature is recorded, and simultaneously according to measuring point axis
Temperature distribution history in draining caisson model is drawn to position；
Step 7: closing drain valve and inlet valve and each heated power equipment, experimental article is arranged, experiment terminates.
Beneficial effects of the present invention: the present invention due to the adoption of the above technical scheme, can not only change inlet flow rate, temperature
Degree and oil concentration solve the problems, such as to test the separating property and operating flexibility of active service draining caisson comprehensively；It can also enough logical
The separation situation for crossing water-oil phase inside test draining caisson finds its axial regularity of distribution, to oblique inside draining caisson from now on
The optimization design of plate arrangement and other structures provides reference frame；Meanwhile passing through point of heat transfer temperature field in test draining caisson
Cloth finds it along the axial internal-external temperature difference regularity of distribution, is the whole corrosion protection design of draining caisson, provides reference frame.
Detailed description of the invention
Fig. 1 is overall structure of the present invention.
Fig. 2 is the structural schematic diagram of draining caisson model of the present invention.
Major Symbol illustrates in figure:
1. feed pipe, 2. inclined plates, 3. liters of oil pipes, 4. chilled water tanks, 5. draining caisson models, 6. drain valves, 7. inlet valves,
8. probe tube, 9. temperature tubes, 10. flowmeters, 11. heater boxes, 12. agitators, 13. centrifugal pumps.
Specific embodiment
As depicted in figs. 1 and 2, the present invention include: draining caisson model 5, the cooling water that is arranged in draining caisson model 5
Tank 4, the feed pipe 1 being arranged in draining caisson model 5；Wherein, the bottom bulkhead of chilled water tank 4 is taken over by flange and draining
Be connected, the inner cavity of chilled water tank 4 is connected by draining adapter tube with flowmeter 10, flowmeter 10 pass through pipeline successively with heating
Case 11, agitator 12, centrifugal pump 13 are connected in series；The discharge port of centrifugal pump 13 is connected with feed pipe 1.
Above-mentioned heater box 11 is control heated at constant temperature case.
Above-mentioned chilled water tank 4 is equipped with inlet valve 7 and drain valve 6 for recirculated cooling water, and the top of chilled water tank 4 is set
It is equipped with liquidometer；Reach the marine environment that simulation has certain environment temperature and liquid level by control cooling water output.
Above-mentioned draining caisson model 5 is made of several levels separative unit, and separative unit is mainly by inclined plate 2, liter oil pipe 3 and cabinet
Composition, wherein the side of inclined plate 2 and cabinet Joint；The bottom end for rising oil pipe 3 is fixed on inclined plate 2；It is fixedly installed on cabinet
It is connected with cabinets cavity, and passes through the probe tube 8 and temperature tube 9 of 4 wall body of chilled water tank；Operator can obtain in outside
Water sample inside draining caisson model 5；Draining caisson model 5 is to be coaxially set with chilled water tank 4.
Thermocouple is housed on the end of above-mentioned temperature tube 9, the probe of thermocouple extends to the inside of draining caisson model 5,
By connecting temperature controller, draining caisson can be measured along axial each measuring point Temperature Distribution.
It is consistent with flow velocity in draining caisson model 5 in order to adjust sample tap flow velocity, to guarantee flow condition, oil concentration etc.
With it is consistent in draining caisson model 5, on sample tap 8 can equipped with needle-valve to etc. dynamic sampling.Acquired water sample can be used ultraviolet
Spectrophotometer tests its oil percentage in water.
Above-mentioned centrifugal pump 13 is frequency conversion type, and the outlet of centrifugal pump 13 is divided into two-way, and by control valve, (the present embodiment is all the way
Ball valve) and flowmeter 10 (the present embodiment is glass rotameter) lead to draining caisson model 5 give its charging, all the way by control
Valve processed returns to agitator 12, it is therefore an objective to can provide bigger flow adjustment range, moreover it is possible to carry out to grease fully emulsified.
Above-mentioned agitator 12 is speed change agitator.
When charging is heated to assigned temperature by heater box 11, agitator 12 can be by changing revolving speed to change oil mixing with water
Hot water in heater box 11 can be introduced in agitator 12 and be equipped with a certain proportion of crude oil, can obtained by the emulsification degree of liquid
The emulsion of corresponding oil concentration is obtained, to simulate the oily wastewater in actual production process；Centrifugal pump 13 is used to entire experiment
Device provides power, changes revolving speed by changing frequency to adjust flow appropriate.
The present embodiment: draining caisson model 5 is coaxially disposed in chilled water tank 4, the foundation hydrodynamics principle of similitude, with
The practical draining caisson of offshore platform is prototype, is zoomed in and out according to the ratio of 1:10, diameter 160mm, total high 5900mm, its underpart
5000mm is placed in water, chilled water tank internal diameter 800mm, and total high 7000mm, this inner space can avoid to draining caisson inside stream
Field and heat transfer impact, and are fixed on the ground by the skirt of high 600mm.
The present invention uses following experimental procedure:
Step 1: the data according to liquidometer inject the cold water at a temperature of environment to chilled water tank 4, so that beginning to rehearse
5 lower part of caisson model is immersed in the water, and is adjusted cooling water by regulating water inlet valve 7 and drain valve 6 and be in dynamic equilibrium, to protect
During the experiment, after draining caisson model 5 is passed through hot fluid, temperature is in environment temperature to card always in chilled water tank 4；
Step 2: being passed into agitator 12 after the water in heater box 11 to be heated to the experimental temperature of setting, and to stirring
The crude oil for mixing ratio needed for addition is tested in bucket 12 opens the configuration of blender setting speed, is mixed into qualified oil, water
Required mixture；
Step 3: opening centrifugal pump 13, corresponding revolving speed is adjusted, closes inlet valve, return valve is opened, so that agitator 12
Interior oil water mixture further mixes, and samples observation emulsification degree by refluxing opening, is ready for feeding after qualified；
The valve opening step 4: appropriate adjustment flows back, and inlet valve is opened, turning for adjustment centrifugal pump 13 is also needed if necessary
Speed makes intake energy stablize the flow needed for experiment, this processing flow is handled actual condition by the hydrodynamics principle of similitude
Amount is calculated by 1:1000；At this point, opening simultaneously the drain valve 6 positioned at 4 bottom of chilled water tank, and according to shown by flowmeter
Data point reuse, keep drain valve 6 consistent with inlet flow rate, to guarantee that liquid level is constant in chilled water tank 4, it may be assumed that oily in draining caisson
The experimental provision of water separation and heat transfer property is in the state of dynamic equilibrium；
Step 5: using sampling bottle to each probe tube by etc. dynamic principle obtain water sample, water sample uses ultraviolet specrophotometer
Then the test of further progress oil concentration it is bent to draw concentration distribution in draining caisson model 5 by each probe tube axial position
Line；
Step 6: the thermocouple on each temperature-measuring port is accessed temperature controller, each point temperature is recorded, and simultaneously according to measuring point axis
Temperature distribution history in draining caisson model 5 is drawn to position；
Step 7: closing drain valve 6 and inlet valve, each heated power equipment is closed, arranges experimental article, experiment terminates.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, it is all
It is any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the invention, still falls within
In the range of technical solution of the present invention.
Claims (7)
1. the experimental provision of water-oil separating and heat transfer property in a kind of draining caisson, it is characterised in that: include: draining caisson mould
Type, the chilled water tank being arranged in draining caisson model, the feed pipe being arranged in draining caisson model；Wherein, chilled water tank
Bottom bulkhead be connected with draining adapter tube, the inner cavity of chilled water tank is connected by draining adapter tube with flowmeter, and flowmeter leads to
Pipeline is crossed successively to be connected in series with heater box, agitator, centrifugal pump；The discharge port of centrifugal pump is connected with feed pipe；
The draining caisson model is made of several levels separative unit, and separative unit is mainly made of inclined plate, liter oil pipe and cabinet,
In, the side of inclined plate and cabinet Joint；The bottom end for rising oil pipe is fixed on inclined plate；It is fixedly installed on cabinet and cabinets cavity
It is connected, and passes through the probe tube and temperature tube of chilled water tank wall body；Draining caisson model is to be coaxially set with chilled water tank.
2. the experimental provision of water-oil separating and heat transfer property in draining caisson according to claim 1, it is characterised in that: institute
Stating agitator is speed change agitator；Heater box is control heated at constant temperature case.
3. the experimental provision of water-oil separating and heat transfer property in draining caisson according to claim 1, it is characterised in that: institute
It states chilled water tank and is equipped with the water inlet valve and a drain valve for being used for recirculated cooling water, the top of chilled water tank is provided with liquidometer；It is logical
Control cooling water output is crossed to reach the marine environment that simulation has certain environment temperature and liquid level.
4. the experimental provision of water-oil separating and heat transfer property in draining caisson according to claim 1, it is characterised in that: institute
It states equipped with thermocouple on the end of temperature tube, the probe of thermocouple extends to the inside of draining caisson model, by connecting temperature control
Instrument can measure draining caisson along axial each measuring point Temperature Distribution.
5. the experimental provision of water-oil separating and heat transfer property in draining caisson according to claim 1, it is characterised in that: institute
It is interior consistent with sample tap flow velocity to state draining caisson model, equipped with sampling needle-valve on sample tap.
6. the experimental provision of water-oil separating and heat transfer property in draining caisson according to claim 1, it is characterised in that: institute
Stating centrifugal pump is frequency conversion type, and the outlet of centrifugal pump is divided into two-way, leads to draining caisson model by control valve and flowmeter all the way
For feeding, agitator is returned by control valve all the way.
7. the experimental method of water-oil separating and heat transfer property in a kind of draining caisson, it is characterised in that: use following experimental procedure:
Step 1: the data according to liquidometer inject the cold water at a temperature of environment to chilled water tank, so that draining caisson
Model lower part is immersed in the water, and during the experiment, temperature is in environment temperature always in chilled water tank；
Step 2: being passed into agitator, and add into agitator after the water in heater box to be heated to the experimental temperature of setting
Add the crude oil of ratio needed for testing, opens the configuration of blender setting speed, it is mixed required for being mixed into qualified oil, water
Close object；
Step 3: opening centrifugal pump, corresponding revolving speed is adjusted, closes inlet valve, return valve is opened, so that the grease in agitator
Mixture further mixes, and samples observation emulsification degree by refluxing opening, prepares charging after qualified；
Step 4: adjustment reflux valve opening, and inlet valve is opened, the drain valve positioned at chilled water tank bottom is opened simultaneously, and make
Drain valve is consistent with inlet flow rate, to guarantee that liquid level is constant in chilled water tank；And make water-oil separating and conductivity of heat in draining caisson
The experimental provision of energy is in the state of dynamic equilibrium；
Step 5: to each probe tube by etc. dynamic principle obtain water sample, and further progress oil concentration is tested, then, by respectively taking
Sample pipe axial position draws concentration profile in draining caisson model；
Step 6: the thermocouple on each temperature-measuring port is accessed temperature controller, each point temperature is recorded, and simultaneously according to measuring point axial direction position
It sets and draws temperature distribution history in draining caisson model；
Step 7: closing drain valve and inlet valve and each heated power equipment, experimental article is arranged, experiment terminates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710382854.4A CN107198892B (en) | 2017-05-26 | 2017-05-26 | The experimental provision and experimental method of water-oil separating and heat transfer property in draining caisson |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710382854.4A CN107198892B (en) | 2017-05-26 | 2017-05-26 | The experimental provision and experimental method of water-oil separating and heat transfer property in draining caisson |
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| Publication Number | Publication Date |
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| CN107198892A CN107198892A (en) | 2017-09-26 |
| CN107198892B true CN107198892B (en) | 2019-05-31 |
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| CN201710382854.4A Active CN107198892B (en) | 2017-05-26 | 2017-05-26 | The experimental provision and experimental method of water-oil separating and heat transfer property in draining caisson |
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|---|---|---|---|---|
| CN202199168U (en) * | 2011-08-31 | 2012-04-25 | 中国海洋石油总公司 | Draining caisson |
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| CB02 | Change of applicant information |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Applicant after: China Offshore Oil Group Co., Ltd. Applicant after: Offshore Oil Engineering Co., Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Applicant before: China National Offshore Oil Corporation Applicant before: Offshore Oil Engineering Co., Ltd. |
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