CN110066038A - An a kind of pot type oil field extracted water filtering separation device - Google Patents
An a kind of pot type oil field extracted water filtering separation device Download PDFInfo
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- CN110066038A CN110066038A CN201910459110.7A CN201910459110A CN110066038A CN 110066038 A CN110066038 A CN 110066038A CN 201910459110 A CN201910459110 A CN 201910459110A CN 110066038 A CN110066038 A CN 110066038A
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- chamber
- filtering
- oil field
- pot type
- separation device
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- 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
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- 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
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- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
Abstract
The invention discloses an a kind of pot type oil field extracted water filtering separation devices, including tank body, the tank body in axial direction includes being sequentially communicated except grease chamber, define multistage filtering room and surge chamber, wherein, inlet is provided on the side wall except grease chamber, described to be internally provided with oil removing inclined plate except grease chamber, the upper wall except grease chamber offers exhaust outlet；The define multistage filtering room includes multiple filtering chamber, and the inside of each filtering chamber is provided with filter medium, and the backwash tube for protruding into the filter medium is provided in each filtering chamber；The surge chamber is internally provided with cushioning fender, and the lower wall of the surge chamber offers liquid outlet.The filtering separation device uses a pot type multistage multi-medium filtering, and integration degree is high, and it is convenient to manage, and shortens the oil field reinjection water oil removing removal of impurities processing time, improves whole work efficiency.
Description
Technical field
The invention belongs to water-treatment technology fields, and in particular to an a kind of pot type oil field extracted water filtering separation device.
Background technique
With the continuous exploitation in oil field, the moisture content of oil field mining liquid is risen year by year.Oil field extracted water is made with recovering the oil
Industry extraction through crude oil dehydration separation after oily wastewater, wherein containing oils (about 1000-2000mg/L, sometimes even up to
5000mg/L, existence form are mainly oil slick, dispersed oil, oil emulsion and dissolved oil), suspended matter (generally 100-1000mg/L,
Mainly include FeS particle, flour sand and fine sand etc.), (concentration range 103-106mg/L mainly includes Ca to salt content2+、Mg2+、K+、
Na+、Fe2+、Cl-、HCO3 -、CO3 2-Deng), organic matter (include aliphatic hydrocarbon, aromatic hydrocarbon, phenols, organic sulfur compound, fatty acid, surface
Activating agent, polymer etc.) and microorganism (predominantly sulfate reducing bacteria, saprophytic bacteria and iron bacteria etc.).
By re-injection on the spot after the oil field extracted water generated during oil extraction progress integrated treatment, injection water quality can be saved
Resource reduces sewage environmental pollution and can effectively supplement stratum energy.
The high efficiency and reliability of method for treating water cut out and device directly affect the normal operation of surface production technique.Mesh
In preceding domestic and international oil field development, the produced water treatment technique after three phases separator separates is broadly divided into two methods,
One kind is that big tank arrangement settles oil removing, removal of impurities；Another kind is that air-flotation system adds tank filtering oil removing, removal of impurities.Big tank arrangement sedimentation
Method equipment is larger, efficiency is lower, being influenced that treated by internal structure, water quality indicator is unstable.Air-flotation system adds tank filtering
Method and process chain is complicated, investment goods are more, management is inconvenient, and sump oil content and solid suspension contain in water after processing
Figureofmerit is unstable.
Summary of the invention
In order to solve the above-mentioned problems in the prior art, the present invention provides a kind of pot type oil field extracted water filterings
Separator.The technical problem to be solved in the present invention is achieved through the following technical solutions:
The present invention provides an a kind of pot type oil field extracted water filtering separation device,
Including tank body, the tank body in axial direction includes being sequentially communicated except grease chamber, define multistage filtering room and surge chamber,
Wherein,
It is provided with inlet on the side wall except grease chamber, it is described to be internally provided with oil removing inclined plate except grease chamber, it is described to remove
The upper wall of grease chamber offers exhaust outlet；
The define multistage filtering room includes multiple filtering chamber, and the inside of each filtering chamber is provided with filtering and is situated between
Matter, and the backwash tube for protruding into the filter medium is provided in each filtering chamber；
The surge chamber is internally provided with cushioning fender, and the lower wall of the surge chamber offers liquid outlet.
In one embodiment of the invention, energy dissipating baffle is arranged in the inside except grease chamber, the energy dissipating baffle and institute
It states inlet to be oppositely arranged, the fluid from the inlet is ejected on the energy dissipating baffle.
In one embodiment of the invention, one end of the oil removing inclined plate is fixed on the lower wall except grease chamber, separately
One end is tilted towards the define multistage filtering room.
In one embodiment of the invention, the oil removing inclined plate is stacked by multiple hexagonal prisms pipes arranged in parallel,
And the surface of the oil removing inclined plate is in honeycomb.
In one embodiment of the invention, the define multistage filtering room includes multiple by the water side opening plate and the water outlet
The filtering chamber that side opening plate surrounds, wherein
The lower end of the water inlet side orifice plate offers drainage hole, and the lower end of the water outlet side orifice plate offers drainage hole, and
And multiple filtering chamber are interconnected by the drainage hole.
In one embodiment of the invention, the upper wall of multiple filtering chamber offers material inlet, Duo Gesuo
The lower wall for stating filtering chamber offers material outlet.
In one embodiment of the invention, the define multistage filtering room includes the by-pass filtration chamber being sequentially communicated, second level
Filtering chamber and three-stage filtration chamber, wherein the filtering in the by-pass filtration chamber and the secondary filtration chamber is situated between
Matter is the mixture of quartz sand and active fruit shell carbon, and the filter medium in the three-stage filtration chamber is fiber filtering.
In one embodiment of the invention, the lower end of the backwash tube is fixed to the lower wall of the filtering chamber；
The backwash tube is in dendroid, including the stem portion vertical with the axial direction of the tank body and from the trunk
Multiple limb portions that portion extends into the medium.
In one embodiment of the invention, the surge chamber is provided with multiple sample taps along different height.
In one embodiment of the invention, on the lower wall except grease chamber, the define multistage filtering room and the surge chamber
Offer sewage draining exit.
Compared with prior art, the beneficial effects of the present invention are:
1, a pot type oil field extracted water filtering separation device of the invention uses a pot type multistage multi-medium filtering, integrated
Degree is high, and it is convenient to manage, and shortens the oil field reinjection water oil removing removal of impurities processing time, improves whole work efficiency.
2, dendritic recoil is provided in every grade of filtering chamber of the pot type oil field extracted water filtering separation device
Wash pipe, can the different zones to the filter medium in filtering chamber rinsed to the greatest extent, increase making for filter medium
The filter medium in filtering chamber is rinsed with the service life, and using the water quality resource that itself is handled, not additional row
It puts and pollutes.
3, the water inlet side orifice plate and water outlet side orifice plate of the pot type oil field extracted water filtering separation device define multistage filtering room are adopted
With the design of bottom opening or top drilling, the filtering fluidised form of extraction aqueous fluid bottom in and top out is realized, can be effectively improved
Efficiency is filtered, and has effectively prevented passing through for solid particle and oil droplet.
The present invention is described in further details below with reference to accompanying drawings and embodiments.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of pot type oil field extracted water filtering separation device provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of energy dissipating baffle provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of oil removing inclined plate provided in an embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of water inlet side orifice plate provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of water outlet side orifice plate provided in an embodiment of the present invention.
Attached body label is as follows:
1- tank body；2- removes grease chamber；3- define multistage filtering room；31- by-pass filtration chamber；32- secondary filtration chamber；33- three-level
Filtering chamber；4- surge chamber；5- inlet；6- oil removing inclined plate；61- hexagonal prisms pipe；7- exhaust outlet；8- cushioning fender；9- recoil
Wash pipe；；10- energy dissipating baffle；11- water inlet side orifice plate；12- water outlet side orifice plate；13- drainage hole；14- material inlet；15- material goes out
Mouthful；16- sample tap；17- sewage draining exit；18- pressure gauge connection；19- relief valve connection；20- support；21- manhole；22- liquidometer；
23- liquid outlet；24- blind hole；25- transition chamber thereof
Specific embodiment
In order to which the present invention is further explained to reach the technical means and efficacy that predetermined goal of the invention is taken, below in conjunction with
The drawings and the specific embodiments are detailed to a kind of pot type oil field extracted water filtering separation device progress proposed according to the present invention
Explanation.
For the present invention aforementioned and other technology contents, feature and effect, in the specific embodiment party of following cooperation attached drawing
Formula can be clearly presented in being described in detail.By the explanation of specific embodiment, predetermined purpose institute can be reached to the present invention
The technical means and efficacy taken more understand deeply and specifically, however appended attached drawing be only to provide reference and description it
With, not be used to technical solution of the present invention is limited.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or any other variant be intended to it is non-
It is exclusive to include, so that article or equipment including a series of elements not only include those elements, but also including
Other elements that are not explicitly listed.In the absence of more restrictions, the element limited by sentence "including a ...",
Be not precluded include the element article or equipment in there is also other identical elements.
Embodiment one
Referring to Figure 1, Fig. 1 is a kind of knot of pot type oil field extracted water filtering separation device provided in an embodiment of the present invention
Structure schematic diagram.The one pot type oil field extracted water filtering separation device includes tank body 1, and tank body 1, which is in axial direction divided into, to be sequentially communicated
Remove grease chamber 2, define multistage filtering room 3 and surge chamber 4, wherein except grease chamber 2 is mainly used for carrying out the sump oil in recovered water
Filter, define multistage filtering room 3 include multiple filtering chamber, are provided with filter medium in every grade of filtering chamber, are mainly used for extraction
Sump oil and solid suspended particle in water are filtered for multiple times, surge chamber 4 be used for the recovered water filtered through define multistage filtering room 3 into
Row flow velocity buffering and further precipitating and finally discharge meet the water body of discharge standard.Preferably, the diameter of tank body 1 is 1.2m-
3.2m。
Except being provided with inlet 5 on the side wall of grease chamber 2, oil field extracted water to be processed is passed through and described is separated by filtration dress
That sets removes in grease chamber 2.Except energy dissipating baffle 10 is arranged in the inside of grease chamber 2, energy dissipating baffle 10 is oppositely arranged with inlet 9, makes to get
It can be ejected on energy dissipating baffle 10 from the fluid of inlet 9.Specifically, one end of energy dissipating baffle 10 is fixed on described except grease chamber
2 upper wall, and the other end towards inlet 5 tilt, energy dissipating baffle 10 for reducing the fluid from inlet 5 flow velocity simultaneously
And change flow direction, while separating the gas dissolved in fluid.Preferably, energy dissipating baffle 10 relative to the top of tank body 1
Inclination angle alpha 1 is 40-50 °.
Fig. 2 is referred to, Fig. 2 is a kind of structural schematic diagram of energy dissipating baffle provided in an embodiment of the present invention.The present embodiment
Energy dissipating baffle 10 is the plate structure of thickness 10-12mm, preferably multiple towards being uniformly provided on the surface of inlet 9 at it
The depth of blind hole 24, blind hole 24 is 5-6mm, and aperture isPorosity is 70%-85%.Porosity refers to hole face
The long-pending percentage of area in its natural state with plate.Due to the presence of blind hole 24, the surface area of energy dissipating baffle 10 increases, and can
Fluid from inlet 5 is reflexed to different directions, more efficiently change flow direction and reduces fluid velocity, simultaneously
It is more favorable to the separation of dissolved gas in fluid.
It should be noted that in other embodiments, blind hole can be not provided on energy dissipating baffle 10, reduction can be also played
Fluid flow rate and the effect for changing flow direction, separating the gas dissolved in fluid.
Further, except the upper wall of grease chamber 2 offers exhaust outlet 7, divide for oil field extracted water to be discharged through energy dissipating baffle 10
From gas.Preferably, it is additionally provided with pressure gauge connection 18 and relief valve connection 19 in the upper wall except grease chamber 2, is run in device
When, pressure gauge connection 18 is connected to external pressure gauge, 19 connection safety valve of relief valve connection, in filtering separation device tank body 1
The pressure in portion is detected by the pressure gauge, when pressure is more than predetermined pressure, is opened the safety valve and is arranged extra gas
Enter in substantially to carry out pressure release.
Then, referring to Figure 1 and Fig. 3, Fig. 3 be a kind of oil removing inclined plate provided in an embodiment of the present invention structural schematic diagram.
Except the oil removing inclined plate 6 of grease chamber 2 being internally provided with for carrying out oil removing, inclined plate oil removing is a kind of efficient deoiling method, base
Present principles are " shallow-layer depositions ".In the present embodiment, oil removing inclined plate 6 is stacked by multiple hexagonal prisms pipes 61 arranged in parallel,
So that the surface of oil removing inclined plate 6 is in honeycomb.One end of oil removing inclined plate 6 is fixed on the lower wall except grease chamber 2, and other end direction is more
Grade filter chamber 3 tilts, and preferably oil removing inclined plate 6 is 50 ° -75 ° relative to the inclination angle alpha 1 of 1 bottom of tank body, which can be with
Realize maximum oil removing.Further, the hexagonal prisms pipe array, the i.e. thickness of oil removing inclined plate 6 are preferably 1000mm,
Height is 0.1-2m.It should be noted that the height of oil removing inclined plate 6 suitably can be selected and be adjusted according to the diameter of tank body 1
It is whole.
The presence of oil removing inclined plate 6 increases wetted perimeter, reduces water conservancy radius, creates laminar flow condition water flow steadily, has
Conducive to water-oil separating.By oil removing inclined plate 6, a large amount of sump oils produced in aqueous fluid are deposited in the lower surface except grease chamber 2.
Further, define multistage filtering room 3 includes multiple filtering chamber, and filtering is provided with inside each filtering chamber and is situated between
Matter, and backwash tube 9 is provided in each filtering chamber.Please also refer to Fig. 1, Fig. 4 and Fig. 5, wherein Fig. 4 is this hair
A kind of structural schematic diagram for water inlet side orifice plate that bright embodiment provides；Fig. 5 is a kind of water outlet side opening provided in an embodiment of the present invention
The structural schematic diagram of plate.Each filtering chamber of the define multistage filtering room 3 is enclosed by water inlet side orifice plate 11 and water outlet side orifice plate 12
At, wherein the end of water inlet side orifice plate 11 is uniformly provided with multiple drainage holes 13, and the end of water outlet side orifice plate 12 is uniformly provided with multiple
Drainage hole 13, and multiple filtering chamber are interconnected by drainage hole 13.Preferably, it is also wrapped between the adjacent filtering chamber
Transition chamber thereof 25 is included, for guaranteeing the fluid being discharged from upper level filtering chamber upper end successfully from next stage filtering chamber lower end
Into.
Enter in filtering chamber by the recovered water except grease chamber 2 from the drainage hole 13 of 11 lower part of water inlet side orifice plate, and in mistake
By the filter media in filter chamber room, then from 13 overflow of drainage hole on 12 top of water outlet side orifice plate to next component,
Complete by-pass filtration.In the present embodiment, filtering chamber is entered from the drainage hole 13 of 11 lower part of water inlet side orifice plate due to fluid, and
From the drainage hole 13 on 12 top of water outlet side orifice plate be discharged, slow down the flowing velocity of fluid so that fluid have the sufficient time with
Filter medium interaction, so as to effectively improve filter efficiency, and can effectively prevent solid particle and oil droplet from
Upper level filtering chamber enters next stage filtering chamber.
Preferably, the plate thickness of water inlet side orifice plate 11 and water outlet side orifice plate 12 is 6-10mm.The diameter of drainage hole 13 is
2-3mm。
It is provided with filter medium in every grade of filtering chamber of the define multistage filtering room 3 of the present embodiment, for in recovered water
Sump oil and solid suspended particle be filtered for multiple times.By define multistage filtering room 3, the silt particle and solid suspended particle of bulky grain by
It is deposited in the bottom of every grade of filtering chamber in gravity, obtains the water quality for meeting emission request.The filter medium can be
Quartz sand, active fruit shell carbon or fiber filtering.In the present embodiment, the stacking height of the filter medium is 0.4-1m.Into one
Step ground, the stacking height of the filter medium are less than the half of 1 diameter of tank body.
After equipment runs a period of time, it is adsorbed with a large amount of pollutant on the filter medium, can set
Standby non-operating state is rinsed the filter medium in every grade of filtering chamber using backwash tube 9 respectively.It is worth pointing out
It is that backwash water source here can be used after processing from the water source that surge chamber is discharged, to increase the use of filter medium
Service life, and using itself handle water quality resource the filter medium in filtering chamber is rinsed, not additional discharge and
Pollution.
Further, the upper wall of multiple filtering chamber offers material inlet 14, and the lower wall of multiple filtering chamber is opened
Equipped with material outlet 15, for regular replenishment or replacement filter media material.After equipment runs a period of time, filtering chamber
In filter medium can occur to fail or be lost, influence filter effect and treated water quality, it is therefore desirable to regularly replace.If needing
It supplements, can directly be supplemented by material inlet 14, if desired be replaced, then original mistake is discharged by material outlet 15
Filter medium, then new filter medium is added from material inlet 14.
Surge chamber 4 is internally provided with cushioning fender 8.In the present embodiment, cushioning fender 8 is erected in surge chamber 4
Portion, and the upper end opening of cushioning fender 8.Preferably, cushioning fender 8 is apart from 400mm at the top of equipment, the i.e. upper end of cushioning fender 8
The height of opening is 400mm.Cushioning fender 8 is used to carry out flow velocity buffering to the fluid from define multistage filtering room 3, reduces fluid stream
Speed, so that the suspended particulate and silt in fluid further precipitate.The lower wall of surge chamber 4 offers liquid outlet 23, for being discharged
The water body that final process is completed.
Preferably, surge chamber 4 is provided with multiple sample taps 16 along different height, for acquiring the water sample of different height, with
Analysis treated water quality situation.In addition, liquidometer 22 is provided on the side wall of surge chamber 4, for the liquid level in surge chamber 4
It is monitored.
In the present embodiment, it except sewage draining exit 17 is offered on the lower wall of grease chamber 1, define multistage filtering room 2 and surge chamber 3, uses
The pollutants such as grease chamber 1, the greasy dirt of define multistage filtering room 2 and surge chamber 3, gravel, impurity row is removed will be deposited in after processing is completed
Out.
The one pot type oil field extracted water filtering separation device of the present embodiment uses a pot type multistage multi-medium filtering, integrated
Degree is high, and it is convenient to manage, and shortens the oil field reinjection water oil removing removal of impurities processing time, improves whole work efficiency.In addition, the device is more
The water inlet side orifice plate and water outlet side orifice plate of grade filter chamber realize extraction aqueous fluid using the design of bottom opening or top drilling
The filtering fluidised form of bottom in and top out, can effectively improve filter efficiency, and effectively prevent passing through for solid particle and oil droplet.
Embodiment two
On the basis of the above embodiments, the present embodiment proposes a kind of specific structure of define multistage filtering room.Continuing with ginseng
See Fig. 1, the define multistage filtering room 3 of the present embodiment includes the by-pass filtration surrounded respectively by water inlet side orifice plate 11 and water outlet side orifice plate 12
Chamber 31, secondary filtration chamber 32 and three-stage filtration chamber 33 carry out three-stage filtration to the pollutant in recovered water.By-pass filtration
Filter medium in chamber 31 and secondary filtration chamber 32 is the mixture of quartz sand and active fruit shell carbon, three-stage filtration chamber 33
In filter medium be fiber filtering.Preferably, the ratio of the quartz sand and active fruit shell carbon that include in by-pass filtration chamber 31
For 7:3-8:2；The ratio of the quartz sand and active fruit shell carbon that include in secondary filtration chamber 32 is 3:7-5:5.
Further, the lower end of backwash tube 9 is fixed to the lower wall of the filtering chamber, and backwash tube 9 is in dendroid, packet
The multiple limb portions for including the stem portion vertical with the axial direction of tank body 1 and extending from stem portion into the filter medium.It is excellent
Selection of land, the length of stem portion are 600-1200mm, diameter 32-60mm；The diameter in limb portion is 16-20mm, with stem portion
Angle is 45-55 °.Tree is provided in every grade of filtering chamber of the one pot type oil field extracted water filtering separation device of the present embodiment
Dendritic backwash tube can fully be rinsed each region of filter medium, and be provided using the water quality of itself processing
Source is rinsed the filter medium in filtering chamber, increases the service life of filter medium, and not additional discharge and dirt
Dye.
In addition, the bottom of the tank body 1 of the present embodiment is provided with multiple supports 20, by whole device fixed placement certain
Position at.Multiple manholes 21 are offered on the side wall of the tank body 1 of the present embodiment, which allows human body to pass through, normal
Under service condition, all manholes 21 are in a closed state, and when being in non-working condition, can open manhole 21, to allow
Staff enters progress device maintenance in tank body 1.
It should be noted that the other parts of the present embodiment are same as the previously described embodiments, specific structure can be found in embodiment
One, which is not described herein again.
The one pot type oil field extracted water filtering separation device of the present embodiment use process is as follows:
Oil field extracted water to be processed enters through inlet 5 removes grease chamber 2, by energy dissipating baffle 10, absorbs fluid energy simultaneously
It is sufficiently separated the gas dissolved in fluid, the solution gas in fluid is discharged by exhaust outlet 7；Then fluid, which enters, removes grease chamber 2
Most of oil droplet and a part of solid suspended particle are removed by oil removing inclined plate 6 afterwards, it is generally the case that by the dirt for removing grease chamber 2
Water oil content can be less than 90mg/L, solid suspension particle is less than 80mg/L；Then, sewage passes through first piece of water inlet side orifice plate 11
The drainage hole 13 of lower end enters by-pass filtration medium, and sewage with oil is less than 65mg/L, particle containing solid suspension is less than 55mg/L,
It is flowed out by the drainage hole 13 of first piece of 12 upper end of water outlet side orifice plate；Pass through the drainage hole 13 of second piece of 11 lower end of water inlet side orifice plate
Into secondary filtration medium, sewage with oil is less than 30mg/L, solid suspension particle is less than 30mg/L, passes through second piece of water outlet side
The drainage hole 13 of 12 upper end of orifice plate flows out；Enter three-stage filtration by the drainage hole 13 of 11 lower end of third block water inlet side orifice plate to be situated between
Matter, sewage with oil is less than 10mg/L, solid suspension particle is less than 10mg/L, and the fluid after being separated by filtration is discharged by third block
The drainage hole 13 of 12 upper end of side opening plate overflows into surge chamber 4, completes sump oil, solid suspension in water and is separated by filtration place
Reason.Water quality after being separated by filtration passes through the buffering of cushioning fender 8, and flow velocity further decreases, and further outstanding in precipitation fluid
Floating particles and silt, last water quality up to standard is discharged by liquid outlet 23, while liquidometer 22 examines the liquid level of surge chamber 4
It surveys.After device runs a certain period of time, the filter medium in one, two, three filter chamber is carried out respectively using backwash tube 9
Back flush, when backwash, water quality resource in room during water source is that treated water-supplying chamber is slow.Due to sewage flow through except grease chamber 2,
When define multistage filtering room 3 and surge chamber 4, the silt particle of bulky grain due to gravity be deposited in except grease chamber 2, define multistage filtering room 3 with
And 4 bottom of surge chamber, it is therefore desirable to the bulky grains pollutants such as silt particle is periodically discharged by sewage draining exit 17.In addition, can periodically open
Material inlet 14, nourishes to filter medium and fills, and opens material outlet 15, discharges to discarded filter medium.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (10)
1. an a kind of pot type oil field extracted water filtering separation device, which is characterized in that including tank body (1), the tank body (1) is along axis
It include being sequentially communicated except grease chamber (2), define multistage filtering room (3) and surge chamber (4) to direction, wherein
It is provided with inlet (5) on the side wall except grease chamber (2), it is described to be internally provided with oil removing inclined plate (6), institute except grease chamber
It states except the upper wall of grease chamber (2) offers exhaust outlet (7)；
The define multistage filtering room (3) includes multiple filtering chamber, and the inside of each filtering chamber is provided with filter medium,
And the backwash tube (9) for protruding into the filter medium is provided in each filtering chamber；
The surge chamber (4) is internally provided with cushioning fender (8), and the lower wall of the surge chamber (4) offers liquid outlet (23).
2. pot type oil field extracted water filtering separation device according to claim 1, which is characterized in that described to remove grease chamber
(2) energy dissipating baffle (10) are arranged in inside, and the energy dissipating baffle (10) is oppositely arranged with the inlet (5), so that coming from institute
The fluid for stating inlet (5) can be ejected on the energy dissipating baffle (10).
3. pot type oil field extracted water filtering separation device according to claim 1, which is characterized in that the oil removing inclined plate
(6) one end is fixed on the lower wall except grease chamber (2), and the other end is tilted towards the define multistage filtering room (3).
4. pot type oil field extracted water filtering separation device according to claim 3, which is characterized in that the oil removing inclined plate
(6) it is stacked by multiple hexagonal prisms pipes (6) arranged in parallel, and the surface of the oil removing inclined plate (6) is in honeycomb.
5. pot type oil field extracted water filtering separation device according to claim 1, which is characterized in that the multistage filtering
Room (3) includes multiple filtering chamber surrounded by the water side opening plate (11) and the water outlet side orifice plate (12), wherein
The lower end of the water inlet side orifice plate (11) offers drainage hole (13), and the upper end of the water outlet side orifice plate (12) offers row
Water hole (13), and multiple filtering chamber are interconnected by the drainage hole (13).
6. pot type oil field extracted water filtering separation device according to claim 5, which is characterized in that multiple filterings
The upper wall of chamber offers material inlet (14), and the lower wall of multiple filtering chamber offers material outlet (15).
7. pot type oil field extracted water filtering separation device according to claim 5, which is characterized in that the multistage filtering
Room (3) includes the by-pass filtration chamber (31), secondary filtration chamber (32) and three-stage filtration chamber (33) being sequentially communicated, wherein
The filter medium in the by-pass filtration chamber (31) and the secondary filtration chamber (32) is quartz sand and shell activity
The mixture of charcoal, the filter medium in the three-stage filtration chamber (33) are fiber filtering.
8. pot type oil field extracted water filtering separation device according to claim 1, which is characterized in that the backwash tube
(9) lower end is fixed to the lower wall of the filtering chamber；
The backwash tube (9) is in dendroid, including the stem portion vertical with the axial direction of the tank body (1) and from the master
Multiple limb portions that cadre extends into the filter medium.
9. pot type oil field extracted water filtering separation device according to claim 1, which is characterized in that the surge chamber
(4) different height is provided with multiple sample taps (16).
10. pot type oil field extracted water filtering separation device according to any one of claim 1 to 9, which is characterized in that
Sewage draining exit (17) are offered on the lower wall except grease chamber (1), the define multistage filtering room (2) and the surge chamber (3).
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| CN201910459110.7A CN110066038A (en) | 2019-05-29 | 2019-05-29 | An a kind of pot type oil field extracted water filtering separation device |
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| CN201910459110.7A CN110066038A (en) | 2019-05-29 | 2019-05-29 | An a kind of pot type oil field extracted water filtering separation device |
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