CN208394841U - Horizontal free water removing device - Google Patents
Horizontal free water removing device Download PDFInfo
- Publication number
- CN208394841U CN208394841U CN201721682047.6U CN201721682047U CN208394841U CN 208394841 U CN208394841 U CN 208394841U CN 201721682047 U CN201721682047 U CN 201721682047U CN 208394841 U CN208394841 U CN 208394841U
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- free water
- shaped plate
- oil
- dewatering container
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 100
- 235000019198 oils Nutrition 0.000 claims abstract description 37
- 238000000926 separation method Methods 0.000 claims abstract description 37
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 235000019476 oil-water mixture Nutrition 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000005452 bending Methods 0.000 claims description 12
- 230000008676 import Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 230000018044 dehydration Effects 0.000 abstract description 6
- 238000006297 dehydration reaction Methods 0.000 abstract description 6
- 229920000642 polymer Polymers 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 2
- 238000003795 desorption Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 44
- 239000012071 phase Substances 0.000 description 26
- 239000002245 particle Substances 0.000 description 15
- 238000012545 processing Methods 0.000 description 9
- 239000010779 crude oil Substances 0.000 description 8
- 239000002609 medium Substances 0.000 description 7
- 239000004519 grease Substances 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000011206 ternary composite Substances 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Removal Of Floating Material (AREA)
Abstract
The utility model discloses a horizontal free water removing device, which comprises a pre-separating pipe and a dewatering container, wherein the pre-separating pipe is used for oil-water separation, the pre-separating pipe is horizontally arranged, the height of the axis of the pre-separating pipe is the same as that of the dewatering container, the front end of the pre-separating pipe is a liquid inlet, the pre-separating pipe receives an oil-water mixture obtained from the previous procedure, and the tail end of the pre-separating pipe is communicated with the tail end of the dewatering container; the dehydration container is internally provided with a split wing-shaped plate body with a large inclination angle. Adopt the utility model discloses a horizontal free water desorption device of aerofoil plate handles behind polymer flooding extra-high water-containing oil gas water mixture, and the moisture content of producing oil is no longer than 5%, and the effluent oil content is no longer than 300mg/L, and the treatment effect is better than conventional free water remover far away, and the cost reduces more than 20%, and the silt siltation does not have, can use high-efficiently for a long time.
Description
Technical field
The utility model relates to oilfield surface engineering oil and gas and waters from processing technology field, more particularly to a kind of horizontal trip
From water removing means.
Background technique
Oil field oil gang of wells output liquid phase be ultra-high water-containing crude oil gas-liquid mixture.Currently, mainly using horizontal trip
From water remover by the ultra-high water-containing crude oil separating treatment of oil well group's output at low wet crude and oily wastewater.However this is horizontal
Free water knockout (FWKO) is primarily present following problems:
(1) treatment effeciency is not high, equipment volume is huge, cost is high
The maximum specification that horizontal free water knockout (FWKO) is commonly used in oil field is 4 × 20m of Ф (diameter 4m, length 20m), total measurement (volume)
For 200m3, cost is 1,400,000 yuan or so, and design maximum processing liquid measure under the conditions of polymer displacement of reservoir oil is 10000m3/d.To the greatest extent
Pipe is provided with multiple coalescent pack heaps inside container, but when silt content is larger in Produced Liquid, filler heap will be lost originally
Wetting characteristics, and generate silt and silt up, lead to the reduction of its treatment effeciency, and difficult, costly, the unfavorable safety collar of maintenance operation
It protects.
(2) structure and separation mechanism are unreasonable
Existing horizontal free water knockout (FWKO) takes general treatment mechanism using single jar structure, i.e. ultra-high water-containing crude oil
Oil water mixture carries out water-oil separating after entering separator, and existing remover adheres to that the tradition that moisture is removed from crude oil is de-
Water theory carries out grease point using the Produced Liquid that the separator of this conventional dehydration theory accounts for 90% or more liquid phase total amount to water phase
From remover structure, separation mechanism etc. are not able to satisfy the requirement of processed medium, so that low separation efficiency, cost are high, easy
Silt is caused to silt up, water-oil separating efficiency sharp fall.
(3) a kind of opposite opened aerofoil profile plate and combinations thereof body is disclosed in the patent application of Publication No. CN 103752042A
The applicable elements of Oil Water Sludge Separation component and Oil Water Sludge Separation method, opposite opened wing-shaped plate therein are relatively narrow
1) the plate face inclination angle of the opposite opened wing-shaped plate and combinations thereof body Oil Water Sludge Separation component is smaller, after long-time service, plate
Still there is the paraffin attachment in silt particle and crude oil on face, reduces plate spacing, although there is no silting up, the circulation of cross section
Area is reduced, and the flow velocity of medium processed reduces, treating capacity reduces.
2) the plate layer layout density of the opposite opened wing-shaped plate and combinations thereof body Oil Water Sludge Separation component body is larger, can only can adopt
With the board making of thickness 1-1.5mm, for anti-corrosion and long-life, it has to be made using stainless sheet steel, higher cost.
3) since the opposite opened wing-shaped plate must be made using stainless sheet steel, to reduce cost and making equipment in price
Possess advantage, must just reduce the dosage of wing plate body, that is, reduce the size of equipment, so that the treating capacity of equipment is smaller,
The specification of equipment of applicable three phase separator is only 1.4 × 15m of Ф at present, and processing liquid measure is 4000-6000t/d, and conventional three
The specification of phase separator is Ф 4 × 24m of 4 × 20m or Ф, handles liquid measure 8000-10000t/d.
Therefore, it is bigger, the lower efficient free water removal of processed in units liquid measure cost to be badly in need of a kind for the treatment of capacity for this field
Free water removal device.
Utility model content
The purpose of this utility model is for technological deficiency existing in the prior art, in a first aspect, providing a kind of separation
High-efficient, low cost the horizontal free water removal device of wing-shaped plate, including the horizontally disposed pre-separation pipe for water-oil separating
(1) and dewatering container (2), the pre-separation pipe (1) and dewatering container (2) coaxial line, front end are liquid import (5), and reception comes from
The end of the oil water mixture that a upper process obtains, pre-separation pipe (1) is connected with the front end of dewatering container (2);The dehydration
The wing plate body of high inclination-angle opposite opened (3) are set in container (2).
For the axis of the dewatering container (2) in level, the dewatering container (2) is internal to be arranged at intervals with N along its length
The group wing plate body of high inclination-angle opposite opened (3), N is positive integer.
Inner wall of the wing plate body of high inclination-angle opposite opened (3) in all directions with dewatering container (2) has spacing, greatly
Also there is spacing between the wing plate body of inclination angle opposite opened (3);The front end of the wing plate body of high inclination-angle opposite opened (3), rear end and de-
Dewatering container (2) is divided into N+1 clearly by the spacing between the spacing and the wing plate body of high inclination-angle opposite opened (3) of water container (2)
Mud operating space (4), N are positive integer;The clear mud operating space (4) is to provide the space of operation for artificial clear mud.
N is 2.
The water that clear mud operating space (4) bottom of dewatering container (2) end is equipped with the water phase discharge that will be isolated goes out
Mouth (7).
The oil that the oil that being equipped at the top of the clear mud operating space (4) of dewatering container (2) end will isolate mutually is discharged goes out
Mouth (6).
The wing plate body of high inclination-angle opposite opened (3) is upper and lower with a fixed spacing by multilayer both wings opposite opened wing-shaped plate (13)
Parallel fold sets.
Each described both wings opposite opened wing-shaped plate (13) be by two unilateral board groups at a cross section approximation " V "
The plank of shape, lower openings.
Each unilateral plate is to connect structure at a certain angle by wing tail folded plate (81), side wing (82) and mud guiding plate (83)
At there are three the folding face plate of plate face, the angle of side wing and horizontal plane is 25-45 °.
Both wings opposite opened wing-shaped plate (13) described in multilayer is folded to be set as assembly, upwardly extends positioned at the wing tail folded plate of lower layer
Tail end is more than the bending point of the wing tail folded plate positioned at upper layer, and keeps certain interval with the bending point;Mud guiding plate positioned at upper layer
The tail end extended downwardly is more than the bending point of lower layer's mud guiding plate, and keeps certain interval with the bending point.
Compared with prior art, the utility model has the beneficial effects that
The free water removal device of the utility model feature high for aqueous phase content in ultra-high water-containing crude oil Produced Liquid, with
It is separation theory that oil is removed from water phase, develop can accelerate water-oil separating, efficient, low making of can preventing that silt particle silts up again
The horizontal free water removal device of valence effectively overcomes the separating members such as existing coalescent pack cost height, easily by silt blocking, length
Phase operational efficiency is low, maintenance replacement operation is difficult and costly problem.
Using the horizontal free water removal device of the wing-shaped plate of the utility model, can be achieved that
(1) under conditions for the treatment of capacity same as conventional free water knockout (FWKO), the ternary composite driving of aqueous 90-95% is extra-high
After the horizontal free water removal device processing of the wing-shaped plate of the utility model, fuel-displaced moisture content is no more than wet crude Produced Liquid
5%, water outlet oil content is no more than 300mg/L, processing capacity and efficiency than 1 times or so of conventional free water knockout (FWKO) raising, processing
Effect is much better than conventional free water knockout (FWKO).
(2) the conventional free water knockout (FWKO) of the wing-shaped plate of the utility model horizontal free water removal device than same specification
Cost can reduce by 20% or more.
(3) the wing plate body in the horizontal free water removal device of the wing-shaped plate of the utility model is without sediment siltation, due to it
It greatly can long-term effective use.
(4) the opposite opened wing-shaped plate and in the patent application of Publication No. CN 103752042A and combinations thereof body grease mud
Separating member compares the effect it is found that the utility model are as follows:
1) the plate face inclination angle of wing-shaped plate is increased 25-45 ° by original 10-15 ° by the utility model, increases plate face
The slippage power of upper silt particle improves the anti-siltation effect of self-cleaning of plate face, and amount retained of the silt particle in plate face is made to level off to 0,
Thoroughly solving the problems, such as to retain because of silt particle causes wing plate body spacing diminution, circulation to reduce.
2) the utility model makes wing-shaped plate compared with thick steel plate plate using 2-3mm, that is, reduces costs, also extend its corrosion
Out-of-service time and service life solve the problems, such as to lead to higher cost using stainless steel materials.
3) the utility model uses the lower-cost wing plate body made compared with thick steel plate, and is laid in the biggish scale of construction
Among the free water removal equipment of larger size, the processing liquid measure of single device is greatly improved, reduces implantation of device number
It measures, reduce single device cost and processed in units amount cost.
Detailed description of the invention
Fig. 1 show big bevel board in the horizontal free water removal device of the utility model wing-shaped plate and faces open type wing-shaped plate
Construction profile;
Fig. 2 show in the horizontal free water removal device of the utility model wing-shaped plate big bevel board in face of open type wing-shaped plate point
Working principle diagram from silt particle;
Fig. 3 show the structural front view of the horizontal free water removal device of the utility model wing-shaped plate.
Specific embodiment
The original design intention and working principle of the horizontal free water removal device of wing-shaped plate provided by the utility model are as follows:
(1) big bevel board faces open type wing-shaped plate high efficiency oil-water separating member
Since the diameter of horizontal free water knockout (FWKO) is commonly used mostly in 3-4m in oil field, sectional area is big, velocity of medium is low, oil
Silt particle in well Produced Liquid easily deposits inside container, all kinds of coalescent packs being arranged inside it none do not silted up by silt particle
It fails afterwards.In order to overcome the problems, such as this, big oblique angle opposite opened wing-shaped plate plate face inclination angle in the utility model 25-45 ° it
Between, as shown in Figure 1, sliding the silt particle for sinking to get off from oil-water media downwards along inclined plate face, do not accumulated in plate face.
Stacking the wing plate body constituted by multiple big oblique angle opposite opened wing-shaped plates, there are enough plate spacings, create for the silt particle that plate face sinks
Sliding channel and space are made, avoids silting up, keeps its long-term effectiveness, Fig. 2 shows the accumulation form of silt particle landing.It is wing
Plate body uses shallow pond separating mechanism, can effectively accelerate the speed of water-oil separating, changes the size of wing plate body and stacks spacing, i.e.,
The scale of shallow pond separated space can be changed, to change the efficiency of water-oil separating.
(2) the second-order separation mechanism and overall structure
Whole device is mainly made of grease pre-separation pipe and dewatering container, wherein pre-separation pipe is used for oil-water two-phase flow
Dynamic form adjusting and grease initial gross separation, are located at except dewatering container;It is provided with high efficiency oil-water in dewatering container and separates structure
Part --- the wing plate body of high inclination-angle opposite opened, for improving water-oil separating efficiency, to replace conventional coalescent pack.The device has
The characteristics for the treatment of effeciency height, low cost.
(3) the major diameter horizontal vessel high efficient oil cement of big oblique angle opposite opened wing-shaped plate built in separates
Dewatering container is mainly made of multilayer both wings opposite opened wing-shaped plate, and multilayer both wings opposite opened wing-shaped plate is placed in dehydration
In container, from pre-separation pipe defeated next oil-phase medium and aqueous media after the processing of the multilayer wing-shaped plate " shallow pond ", by oil droplet
Buoyance lift effect, further remove water phase in oil droplet;It acts on by gravitational settling, further except the water droplet in phase of deoiling, makes
Silt particle in water sinks in the inclined surface of each layer wing-shaped plate, is then slipped to container bottoms.
The major function of dewatering container is:
1) water-oil separating, mud-water separation are carried out to the oily wastewater from pre-separation pipe, ensures that water outlet oil content is qualified
(≤3000mg/L)。
2) deposition dehydrating is carried out to the wet crude from pre-separation pipe, reduces Water in oil rate, ensures fuel-displaced moisture content
Qualified (≤30%).
Below in conjunction with specific embodiment, the content of the utility model is further illustrated, and the utility model is made into one
Step illustrates, but these embodiments absolutely not limit the utility model.
The horizontal free water removal device of wing-shaped plate provided by the utility model, as shown in figure 3, including being used for grease pre-separation
2 two parts of pre-separation pipe 1 and dewatering container.
1 pair of pre-separation pipe enters oil water mixture therein and carries out the rectification of laminar flow kenel, tentatively carries out water-oil separating.
Dewatering container 2 carries out water-oil separating to oily phase, water phase from pre-separation pipe.
Specifically, one end of pre-separation pipe 1 is connected with one end of dewatering container 2, the other end of pre-separation pipe 1 and liquid import
5 connections enter the oil water mixture from upstream inside the device (with one end front end of liquid import 5, far from liquid import 5
One end be end).
High efficiency oil-water separating member --- high inclination-angle opposite opened wing plate body 3 is set in dewatering container 2, for improving grease
Separative efficiency, to replace conventional coalescent pack.
Shown in b width as shown in figure 1, the wing plate body 3 of high inclination-angle opposite opened is by multilayer both wings opposite opened wing-shaped plate 13 with one
Fixed spacing is folded in parallel set above and below.Both wings opposite opened wing-shaped plate 13 is by two unilateral board groups at seeing a width in Fig. 1, each
Unilateral plate is sequentially connected the folding for constituting one there are three plate face by wing tail folded plate 81, side wing 82 and mud guiding plate 83 at a certain angle
Panel symmetrically connects two folding face plates at a certain angle, is formed cross section approximation " V " shape but lower openings without right
The both wings opposite opened wing-shaped plate 13 connect;The angle of side wing 82 and horizontal plane is 25-45 °.
By multilayer both wings opposite opened wing-shaped plate 13 is folded be set as high inclination-angle opposite opened wing plate body 3 when, positioned at the both wings of lower layer
The length of the wing tail folded plate 81 of opposite opened wing-shaped plate 13 need to extend to more than at the bending point of the wing tail folded plate 81 on upper layer, and
Certain interval is kept with the bending point;And be located at upper layer both wings opposite opened wing-shaped plate 13 mud guiding plate 83 then extend downwardly into it is super
It crosses at the bending point of lower layer's mud guiding plate 83, and keeps certain interval with the bending point.The purpose of this design is that working as ultra-high water-containing
When crude oil Produced Liquid flows through high inclination-angle opposite opened wing plate body 3, the lesser oil-phase medium of density can both be made to pass through the upper and lower layer wing
The upward buoyance lift of the crack of tail folded plate 81 can also make the biggish water phase of density and silt particle medium by upper layer mud guiding plate 83 to flowing down
It is dynamic.The wing plate body 3 of high inclination-angle opposite opened can accelerate the drops of water fall down speed in oily phase, the oil droplet buoyance lift speed in water phase, oily phase
With the sinking speed of silt particle in water phase.
The structure of dewatering container 2 specifically: the axis of dewatering container 2 and the axis of pre-separation pipe 1 are same axis, dehydration
Container 2 is horizontal positioned, by flow direction of medium, the front end of dewatering container 2 and the joining distal ends of pre-separation pipe 1, pre-separation pipe 1
End is the front end of dewatering container 2, and the front end of pre-separation pipe 1 is connected with liquid import 5.Two are internally provided in dewatering container 2
The group wing plate body 3 of high inclination-angle opposite opened, the wing plate body 3 of high inclination-angle opposite opened occupies the major part of container cross section, each
There is spacing with the inner wall of dewatering container 2 on direction, be located inside dewatering container 2 along its length, and dewatering container 2 is divided into
Before, during and after three clear mud operating spaces 4, provide operating space for artificial clear mud.One end of the wing plate body 3 of high inclination-angle opposite opened
At regular intervals, clear mud operating space 4 and rear clear mud operating space 4 before being respectively formed are stayed with the end of dewatering container 2;Two groups
Also at regular intervals, clear mud operating space 4 in formation is stayed between the wing plate body 3 of high inclination-angle opposite opened.I.e. single high inclination-angle is split
At regular intervals, clear mud operating space 4 before being formed is stayed in the front end of the wing plate body 3 of formula and the front end of dewatering container 2;Individually incline greatly
At regular intervals, clear mud operating space 4 after formation is also stayed in the least significant end of the wing plate body 3 of angle opposite opened and the end of dewatering container 2.
The ultra-high water-containing crude oil Produced Liquid of pre-separated 1 pre-separation of pipe, which is introduced into dehydration with oil-water stratified flow ejector half state, to be held
The intermediate position (intermediate position radially) of the clear mud operating space 4 (clear mud operating space before i.e.) of 2 front end of device, then successively
Into the wing plate body 3 of high inclination-angle opposite opened, the effect of oil phase and water phase in the wing plate body 3 of high inclination-angle opposite opened of dewatering container 2
Lower carry out water-oil separating.Water phase is gathered in the most of space of dewatering container 2, is gone out in the bottom of 2 end of dewatering container equipped with water
Mouthfuls 7, it will treated that oily wastewater draws container through dewatering container 2;2 end top of dewatering container is equipped with oil export 6, will be low
Wet crude draws container.
Using the horizontal free water removal device of above-mentioned wing-shaped plate to the removal methods of free water, comprising the following steps:
(1), the oil water mixture from upstream enters pre-separation pipe 1, the oily phase of rectified formation, water phase point through liquid import 5
Laminar flow kenel;
(2), the oil that pre-separated pipe 1 tentatively separates mutually enters in dewatering container 2, and the buoyance lift that drifts about is in dewatering container 2
Then upper space horizontally passes through the wing plate body 3 of high inclination-angle opposite opened, and accelerates under its shallow pond separation effect effect
Drops of water fall down speed in oily phase, and after be discharged through oil export 6;
(3), the water phase that pre-separated pipe 1 tentatively separates enters in dewatering container 2, and sinks to the lower part of dewatering container 2
Then space horizontally passes through the wing plate body 3 of two groups of high inclination-angle opposite openeds, and accelerates under its shallow pond separation effect effect
Oil droplet buoyance lift separating rate in water phase, and after be discharged through water out 7;
(4), while step (2) and (3) carry out, the silt particle mutually and in water phase separated from the oil of dewatering container 2 sinks
The wing plate body 3 of high inclination-angle opposite opened upper face and slip along the plate face of the wing plate body 3 of high inclination-angle opposite opened to logical among it
Fig. 2 is shown in, periodic cleaning goes out dewatering container 2 then by clear 4 bottom of mud operating space of water conservancy diversion to dewatering container 2 in road.
According to the technical solution that the content of the present invention determines, the wing-shaped plate that 2 specifications are 4 × 20m of φ is manufactured and designed
Horizontal free water removal device, and carried out industrial test, achieve following effect:
In test of the Daqing oil field multi-purpose station to the horizontal free water removal device of wing-shaped plate that 1 specification is 4 × 20m of φ
The result shows that ultra-high water-containing Produced Liquid treating capacity is 10565t/d, is containing polymer concentration under the conditions of polymer displacement of reservoir oil
261mg/L, demulsifier is not added, under conditions of the sedimentation time is 29.3min, which can be such that fuel-displaced moisture content average value is less than
1%, water outlet oil content average value reaches 207mg/L hereinafter, being better than the processing index of conventional equipment.Relative to the normal of same size
Advise design maximum treating capacity of the material filling type free water knockout (FWKO) to poly- flooding produced liquid 10000t/d, the treatment effeciency and energy of the equipment
Power improves 1 times or more (the fuel-displaced moisture content because of the conventional equipment for same specification, at its maximum throughput 10000t/d
Be 30%, water outlet oil content is 3000mg/L, therefore according to long-term production practical experience, for treating capacity be 10565t/d and
The utility model that fuel-displaced moisture content under the operating condition of demulsifier is less than 1%, water outlet oil content is less than 207mg/L is not added
Free water removal device, after adding demulsifier, fuel-displaced moisture content reaches 30%, when water outlet oil content reaches 3000mg/L,
Treating capacity will can reach 20000t/d or more), single device cost reduces by 31.6%, and processed in units amount reduces investment outlay 64.4%.
After equipment is run 145 days, open tank inspection, the discovery wing plate body of high inclination-angle opposite opened has without sediment siltation
Sand discharge function is voluntarily slid, it being capable of long-term effective use.
The above is only the preferred embodiment of the utility model, it is noted that for the general of the art
For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (10)
1. a kind of horizontal free water removal device of wing-shaped plate, which is characterized in that including for the horizontally disposed pre- of water-oil separating
Separating pipe (1) and dewatering container (2), the pre-separation pipe (1) and dewatering container (2) coaxial line, front end are liquid import (5), are connect
The oil water mixture obtained from a upper process is received, the end of pre-separation pipe (1) is connected with the front end of dewatering container (2);Institute
It states in dewatering container (2) and the wing plate body of high inclination-angle opposite opened (3) is set.
2. the horizontal free water removal device of wing-shaped plate according to claim 1, which is characterized in that the dewatering container (2)
For axis in level, the dewatering container (2) is internal to be arranged at intervals with the N wing plate body of group high inclination-angle opposite opened (3) along its length,
N is positive integer.
3. the horizontal free water removal device of wing-shaped plate according to claim 2, which is characterized in that the high inclination-angle opposite opened wing
Shape plate body (3) has a spacing with the inner wall of dewatering container (2) in all directions, between the wing plate body of high inclination-angle opposite opened (3)
Also there is spacing;The spacing and high inclination-angle of the front end of the wing plate body of high inclination-angle opposite opened (3), rear end and dewatering container (2)
Dewatering container (2) is divided into N+1 clear mud operating spaces (4) by the spacing between the wing plate body of opposite opened (3), and N is positive integer;Institute
Stating clear mud operating space (4) is to provide the space of operation for artificial clear mud.
4. the horizontal free water removal device of wing-shaped plate according to claim 3, which is characterized in that N 2.
5. the horizontal free water removal device of wing-shaped plate according to claim 4, which is characterized in that dewatering container (2) end
Clear mud operating space (4) bottom at end is equipped with the water out (7) for the water phase discharge that will be isolated.
6. the horizontal free water removal device of wing-shaped plate according to claim 5, which is characterized in that dewatering container (2) end
The oil export (6) for the oil phase discharge that will be isolated is equipped at the top of the clear mud operating space (4) at end.
7. -6 any horizontal free water removal device of wing-shaped plate according to claim 1, which is characterized in that the high inclination-angle pair
The wing plate body of open type (3) is folded in parallel above and below with a fixed spacing by multilayer both wings opposite opened wing-shaped plate (13) and is set.
8. the horizontal free water removal device of wing-shaped plate according to claim 7, which is characterized in that each described both wings is split
Formula wing-shaped plate (13) be by two unilateral board groups at a cross section approximation " V " shape, lower openings plank.
9. the horizontal free water removal device of wing-shaped plate according to claim 8, which is characterized in that each unilateral plate be by
Wing tail folded plate (81), side wing (82) and mud guiding plate (83) connect and compose the folding face plate there are three plate face, flank at a certain angle
The angle of plate and horizontal plane is 25-45 °.
10. the horizontal free water removal device of wing-shaped plate according to claim 9, which is characterized in that both wings described in multilayer are split
Formula wing-shaped plate (13) is folded to be set as assembly, and the tail end upwardly extended positioned at the wing tail folded plate of lower layer is more than that the wing tail positioned at upper layer is rolled over
The bending point of plate, and certain interval is kept with the bending point;The tail end that mud guiding plate positioned at upper layer extends downwardly is led more than lower layer
The bending point of mud plate, and certain interval is kept with the bending point.
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CN108147500A (en) * | 2016-12-06 | 2018-06-12 | 中国石油天然气股份有限公司 | Horizontal type free water removing device and removing method |
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CN2530706Y (en) * | 2002-03-27 | 2003-01-15 | 中国石化胜利油田有限公司规划设计研究院 | Free water separating and removing device |
CN101766921B (en) * | 2010-03-31 | 2012-07-04 | 大庆油田有限责任公司 | Declining-type oil-water separation device with multilayer wing-shaped plates |
CN103752047B (en) * | 2013-01-17 | 2015-05-06 | 中国石油天然气股份有限公司 | Compact inclined three-phase separation device and oil-gas-water separation treatment method for oil-produced liquid in oil field |
CN103752042B (en) * | 2013-01-29 | 2016-08-17 | 中国石油天然气股份有限公司 | Split wing plate and assembly oil-water-mud separation component thereof and oil-water-mud separation method |
CN104828990B (en) * | 2015-03-11 | 2016-09-28 | 崔斌 | A kind of pipe box tubular type four-phase separator and oil field oil water mixed liquor Isolation method |
CN208394841U (en) * | 2016-12-06 | 2019-01-18 | 中国石油天然气股份有限公司 | Horizontal free water removing device |
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CN108147500A (en) * | 2016-12-06 | 2018-06-12 | 中国石油天然气股份有限公司 | Horizontal type free water removing device and removing method |
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