CN206328237U - Marine movable type well-flushing water treatment facilities - Google Patents
Marine movable type well-flushing water treatment facilities Download PDFInfo
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- CN206328237U CN206328237U CN201621186186.5U CN201621186186U CN206328237U CN 206328237 U CN206328237 U CN 206328237U CN 201621186186 U CN201621186186 U CN 201621186186U CN 206328237 U CN206328237 U CN 206328237U
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Abstract
The utility model discloses a kind of marine movable type well-flushing water treatment facilities, including settling tank, state micro-bubble flotation unit, sewage surge tank, first metal film filter, second metal film filter, nitrogen storage tank and nitrogen-making device, the settling tank, state micro-bubble flotation unit, sewage surge tank is sequentially connected with, the water side of sewage surge tank is connected to the water intake end of the first metal film filter or the water intake end of the second metal film filter, the water side of first metal film filter and the water side of second metal film filter connection filter outlet pipe line, the nitrogen-making device connects nitrogen storage tank, the nitrogen storage tank connects the first metal film filter and the second metal film filter, and the nitrogen storage tank is also connected with state micro-bubble flotation unit.The utility model apparatus structure is compact, and treatment effeciency is high, and processing procedure need not add any medicament, and metal film filter is backwashed using nitrogen, has been saved substantial amounts of backwash water, has been reduced processing cost.
Description
Technical field
The utility model belongs to oil field flushing water-treatment technology field, and in particular to a kind of marine movable type well-flushing water process
Device.
Background technology
By professional standard and company standard, the well-flushing of offshore oilfield water injection well should quarterly 1 time, annual every mouthful of well well-flushing 4
It is secondary.The whereabouts of well-flushing water directly affects the mode of clean-out service, and how rationally and effectively to handle well-flushing water has turned into and well-flushing
The problem of operation is of equal importance.
It is domestic at present also not specifically designed for marine well-flushing water treatment in situ and to reach the device of re-injection index request, adopt
Well-flushing water is retracted by way of land liquid waste processing station focuses on ship.Well-flushing returns discharge opeing and is stored in construction during well-flushing
In the slop tank of ship, because the soiling solution delivered payload capability of well-flushing workboat is limited, it is therefore desirable to often round harbour blowdown.Generally wash
The well ship round trip cycle is longer, in addition, the disposal ability of soiling solution treating stations is generally limited, large quantities of soiling solutions often occurs and is trapped in
The phenomenon that can not be arranged outside in time on workboat, has had a strong impact on the utilization ratio of construction ship.
Current onshore oil field well-flushing water technology relative maturity, it is main to use vehicular well-flushing mode.From 20th century 80
Age, China just carries out the development of vehicular well-flushing water treatment facilities, and domestic kind of patent application at least more than 10 also has not
The device of overtesting is carried out less.By comprehensive research of the principle to these devices and applicable cases, it is found that these should be used
There are four drawbacks in vehicular well-flushing water treatment facilities：1. technique and equipment are excessively simple, and well-flushing water effectively can not be located
Reason；2. technique is excessively complicated, and long flow path, equipment is more, thus operation and maintenance inconvenience.3. conventional processing unit is in technological design
Upper existing defects, excessively over-evaluate and rely on the disposal ability of filter, cause backwash frequency it is too high, backwash water mistake
Greatly, effect is undesirable, and uneconomical.4. a large amount of dosings are needed, clean-out service cost is added.Therefore, although each elephant is equal
A variety of vehicular well-flushing water treatment facilities were attempted, but finally all do not find comparatively ideal device.
In order to solve the process problem that marine water injection well well-flushing returns discharge opeing, various factors is considered, according to extra large for many years
The problem of upper oil-water well measure, the summary of experience of well-flushing engineering, and water injection well well-flushing workload are big, a set of sea of utility model
Movable type well-flushing water treatment facilities, the marine treatment in situ and re-injection for realizing flushing fluid is used, and is reduced operation ship and is pulled in shore to discharge
The pressure of soiling solution and time, increase effective operation time, to ensure smoothly completing for marine every production task.
Utility model content
The utility model in order to solve to realize the treatment in situ of marine well-flushing water in the case of not dosing, and make it is qualified after
Sewage reaches the technical problem of re-injection index request, and there is provided a kind of marine movable type well-flushing water treatment facilities.
The utility model provides a kind of marine movable type well-flushing water treatment facilities, including settling tank, state micro-bubble flotation dress
Put, sewage surge tank, the first metal film filter, the second metal film filter, nitrogen storage tank and nitrogen-making device, the sedimentation
The water intake end connection settling tank back with water inlet line of tank, what the water side of the settling tank was connected to state micro-bubble flotation unit enters water
End, the water side of the state micro-bubble flotation unit is connected to the water intake end of sewage surge tank, and the water side of sewage surge tank connects
The water intake end of the first metal film filter and the water intake end of the second metal film filter are connected to, first metal film filter
Water side and the water side of second metal film filter are all connected with filter outlet pipe line, and the nitrogen-making device connects nitrogen
Storage tank, the nitrogen storage tank connects the first metal film filter and the second metal film filter, and the nitrogen storage tank is also connected with
State micro-bubble flotation unit.
The water intake end of the settling tank connects settling tank back with water inlet line by fore filter.
Also include ship slop tank, the fore filter connects the overflow at the top of the ship slop tank, the settling tank
Pipeline also connects the ship slop tank.
The state micro-bubble flotation unit connects the ship slop tank.
The sewage surge tank connects the ship slop tank.
First metal film filter and the second metal film filter are all connected with the ship slop tank.
The bottom of the state micro-bubble flotation unit is connected with water circulating pump.
The utility model has the advantage that：
The utility model provides a kind of marine movable type well-flushing water treatment facilities, using " one-level sedimentation+state micro-bubble flotation
+ metal membrane filter " combines well-flushing water treatment technology, and technological process is simple, and apparatus structure is compact, and floor space is small, treatment effeciency
Height, processing procedure need not add any medicament, and metal film filter is backwashed using nitrogen, has saved substantial amounts of backwash
With water, processing cost is greatly reduced.Show by long-term field test and engineer applied, processing unit of the present utility model
The efficiency of sewage disposal is substantially increased, the sewage after processing can reach water injection well re-injection requirement.
Brief description of the drawings
The structural representation for the marine movable type well-flushing water treatment facilities that Fig. 1 provides for the utility model.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art
The utility model can be better understood from and can be practiced, but illustrated embodiment is limited not as to of the present utility model.
The utility model provides a kind of marine movable type well-flushing water treatment facilities, using " one-level sedimentation+state micro-bubble flotation
+ metal membrane filter " technique, mainly including well-flushing water processing unit 1 peculiar to vessel, specifically includes settling tank 1, state micro-bubble flotation
1, device, metal film filter 2,1 set of nitrogen-making device and supporting pipeline, valve, instrument etc..The present apparatus is to carrying out Automatic water-filling
The well-flushing of well returns discharge opeing and handled, when well-flushing returns oil-containing in discharge opeing water<1000mg/L and during the 200mg/L of ＜ containing solid particle,
Well-flushing, which returns discharge opeing and enters settling tank, to be settled, settling tank dischargeable capacity 25m3, and effective 50 minutes sedimentation times, well-flushing returns row
Liquid is handled by supply-water pump into state micro-bubble flotation unit after settlement, and device outlet water quality reaches oil-containing<50mg/L
And the 50mg/L of ＜ containing solid particle, the well-flushing after processing returns discharge opeing and reprocessed into metal membrane filter, device outlet water quality
Reach oil-containing<10mg/L and the 10mg/L of ＜ containing solid particle, the well-flushing water after processing is qualified enter ship water purification cabin, and sewage can use
In water injection well re-injection or well-flushing.The soiling solution that well-flushing water processing unit peculiar to vessel is produced, silt has blowdown pipeline to drain into ship slop tank.
The air supporting of state micro-bubble flotation unit prizes block backwash with gas and metal membrane filter and is nitrogen with gas.
The marine movable type well-flushing water treatment facilities that the utility model is provided, as shown in figure 1, micro- including settling tank 4, static state
Steep flotation unit 13, sewage surge tank 15, the first metal film filter 18, the second metal film filter 19, nitrogen storage tank 27 with
And nitrogen-making device 28.
The water intake end of the settling tank 4 passes through fore filter（Y-type filter）2 connection settling tank back with water inlet line 1, it is described
The water side of settling tank is connected to the water intake end of state micro-bubble flotation unit 13, the water side of the state micro-bubble flotation unit 13
It is connected to the water intake end of sewage surge tank 15, what the water side of sewage surge tank 15 was connected to the first metal film filter 18 enters water
End and the water intake end of the second metal film filter 19, the water side of first metal film filter 18 and second metal film
The water side of filter 19 is all connected with filter outlet pipe line, and the water outlet in the water outlet pipeline is purified water.First metal
Film filter and the alternation of the second metal film filter 19 are filtered.The nitrogen-making device 28 connects nitrogen storage tank 27, institute
State nitrogen storage tank 27 and connect the first metal film filter 18 and the second metal film filter 19, and the nitrogen storage tank 27 connects quiet
State microfoam flotation device 13.
Well-flushing water containing crude oil, silt particle enters fore filter by settling tank back with water inlet line 1 first（Y-type filter）2,
The sand larger to the particle contained in well-flushing water carries out coarse filtration, is settled subsequently into sewage precipitation tank 4.When entrance sewage
Water quality is not up to standard（Import water quality index request：Oil-containing≤1000ppm, suspension≤100ppm）When, sewage then passes through bypass pipe
Line 3 enters ship slop tank.Sewage carries out preliminary sedimentation and separation in settling tank 4, and the sump oil isolated passes through settling tank 4
The gravity flow of overflow line 5 at top enters ship slop tank, and sewage is then lifted by flotation unit supply-water pump 6 and counted through flowmeter 10
State micro-bubble flotation unit 13 is entered to after amount.Flotation unit inlet tube between supply-water pump 6 and state micro-bubble flotation unit 13
Online oil-containing analyzer 7 is additionally provided with the connecting bypass pipeline 8 of line 9, flotation unit suction line 9, when oil content surpasses in sewage
Timestamp, opens bypass line 8, and sewage self-flowing enters ship slop tank.The bottom of state micro-bubble flotation unit 13 is connected with circulation
Water pump 11, sewage carries out extracorporal circulatory system by water circulating pump 11, while being provided with nitrogen pipeline 24 on pump discharge pipeline 12（Nitrogen
Gas derives from nitrogen-making device 28, is provided with direct-operated regulator 26 and pressure vacuum valve 25 on nitrogen pipeline 24, makes to enter and pumps out
The nitrogen pressure of mouth pipeline 12 maintains steady state value）, sewage and nitrogen is thoroughly mixed to form uniform microvesicle by circulation, it is dirty
Oil and suspension enter ship slop tank after microvesicle air supporting effect float downward to liquid surface by overflow line 14.Through static state
Sewage after the processing of microfoam flotation device 13 enters laggard row buffering processing, the sewage surge tank in the sewage surge tank 15
The sewage at 15 tops enters ship slop tank by surge tank overflow line 16, and the sewage after processing is then by through sewage pump
1 entered after 17 liftings in the first metal film filter 18 or the first metal film filter 19, two metal film filters of control
Platform works, in addition 1 progress backsurging operation.The nitrogen storage that nitrogen-making device 28 is produced is in nitrogen storage tank 27, when wherein one
When platform metal film filter needs to be backwashed, nitrogen is by pipeline 23, electric T-shaped valve 20 or 21 from the first metal film mistake
The bottom of 18 or second metal film filter of filter 19, which enters, carries out backsurging operation, the sewage after backwash in metal film filter
Ship slop tank is entered by blowdown pipeline 29.After the first metal film filter and/or the filtering of the first metal film filter 19
Qualified sewage pass through its outlet line 22 enter the qualified water tank of ship.
(1) the utility model combines well-flushing water process work using " one-level sedimentation+state micro-bubble flotation+metal membrane filter "
Skill, using first oil removing, rear oil removal processing mode, it is ensured that the effect of sewage disposal.
（2）The sump oil and suspension in well-flushing water are effectively treated using state micro-bubble method for floating, after processing
Sewage reaches oil-containing<50mg/L, ＜ containing solid particle 50mg/L.
（3）Using efficient metal membrane filter technique, the suspension and suspension in sewage are filtered, device 1 uses 1
It is standby, backwashed using nitrogen, improve the efficiency of backwash, reduce the consumption of backwashing water, the sewage after processing reaches
To oil-containing<10mg/L, ＜ containing solid particle 10mg/L, disclosure satisfy that the requirement of produced-water reinjection.
Embodiment described above is only the preferred embodiment to absolutely prove the utility model and being lifted, the utility model
Protection domain not limited to this.Equivalent substitute or change that those skilled in the art are made on the basis of the utility model
Change, within protection domain of the present utility model.Protection domain of the present utility model is defined by claims.
Claims (7)
1. a kind of marine movable type well-flushing water treatment facilities, it is characterised in that including settling tank, state micro-bubble flotation unit, dirt
Water surge tank, the first metal film filter, the second metal film filter, nitrogen storage tank and nitrogen-making device, the settling tank
Water intake end connects settling tank back with water inlet line, and the water side of the settling tank is connected to the water intake end of state micro-bubble flotation unit, institute
The water side for stating state micro-bubble flotation unit is connected to the water intake end of sewage surge tank, and the water side of sewage surge tank is connected to
The water intake end of the water intake end of one metal film filter and the second metal film filter, the water side of first metal film filter
Filter outlet pipe line is all connected with the water side of second metal film filter, the nitrogen-making device connects nitrogen storage tank,
The nitrogen storage tank connects the first metal film filter and the second metal film filter, and the nitrogen storage tank be also connected with it is static micro-
Steep flotation unit.
2. marine movable type well-flushing water treatment facilities according to claim 1, it is characterised in that the settling tank enters water
End connects settling tank back with water inlet line by fore filter.
3. marine movable type well-flushing water treatment facilities according to claim 2, it is characterised in that also including ship soiling solution
Cabin, the overflow line that the fore filter is connected at the top of the ship slop tank, the settling tank also connects the ship slop tank.
4. marine movable type well-flushing water treatment facilities according to claim 3, it is characterised in that the state micro-bubble flotation
Device connects the ship slop tank.
5. marine movable type well-flushing water treatment facilities according to claim 3, it is characterised in that the sewage surge tank connects
Connect the ship slop tank.
6. marine movable type well-flushing water treatment facilities according to claim 3, it is characterised in that the first metal film mistake
Filter and the second metal film filter are all connected with the ship slop tank.
7. marine movable type well-flushing water treatment facilities according to claim 1, it is characterised in that the state micro-bubble flotation
The bottom of device is connected with water circulating pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621186186.5U CN206328237U (en) | 2016-11-04 | 2016-11-04 | Marine movable type well-flushing water treatment facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621186186.5U CN206328237U (en) | 2016-11-04 | 2016-11-04 | Marine movable type well-flushing water treatment facilities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206328237U true CN206328237U (en) | 2017-07-14 |
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ID=59287179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621186186.5U Active CN206328237U (en) | 2016-11-04 | 2016-11-04 | Marine movable type well-flushing water treatment facilities |
Country Status (1)
| Country | Link |
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| CN (1) | CN206328237U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016941A (en) * | 2022-01-10 | 2022-02-08 | 胜利油田畅海石油技术有限公司 | Process method for offshore platform shipborne circulating well washing and returned liquid purification treatment |
-
2016
- 2016-11-04 CN CN201621186186.5U patent/CN206328237U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016941A (en) * | 2022-01-10 | 2022-02-08 | 胜利油田畅海石油技术有限公司 | Process method for offshore platform shipborne circulating well washing and returned liquid purification treatment |
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