CN208465270U - A kind of filter with multi-layer filter material with back purge system - Google Patents
A kind of filter with multi-layer filter material with back purge system Download PDFInfo
- Publication number
- CN208465270U CN208465270U CN201820362668.4U CN201820362668U CN208465270U CN 208465270 U CN208465270 U CN 208465270U CN 201820362668 U CN201820362668 U CN 201820362668U CN 208465270 U CN208465270 U CN 208465270U
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- China
- Prior art keywords
- water
- purge system
- filter material
- back purge
- tank body
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Abstract
The utility model discloses a kind of filter with multi-layer filter material with back purge system, including tank body, tank body internal upper part is fixedly installed pretreatment unit, pretreatment unit fixation is communicated with water-distributing device, more filter material layer support constructions are fixedly installed along inner tank wall below pretreatment unit, it is provided with back purge system below more filter material layer support constructions, back purge system is communicated with drainpipe, and drainpipe is communicated with captation.Its oil-water separation is good.
Description
Technical field
The utility model belongs to oilfield produced waste water filtering material filter technical field, is related to a kind of with back purge system
Filter with multi-layer filter material.
Background technique
With oil field Persisting exploitation, oilfield sewage whereabouts and water filling water resources problem can be more and more prominent, and produced-water reinjection is brought
Environmental protection risk it is increasing；In addition the contradiction of oil field development industrial water and local economic construction contention groundwater resources
Increasingly appear, constrain oil field to secondary oil recovery efficient transition and oilfield stable production strategy implementation, certainly will also influence oily ground jointly and
Humorous development environment.Regional water resources locating for oil field are rare, and national and local governments can also increase to water resources management dynamics and have
It repays using dynamics, legal track has been stepped into ground water protection management, and oil field water total amount can be strictly controlled, oilfield sewage
Resource utilization is imperative, while being also the needs that oil field itself continues harmonious development.
More filtering material filters are the relatively broad oily water separating equipments of oilfield sewage fine processing unit application, are to guarantee oil
Field sewage treatment key equipment up to standard, but existing more filtering material filter back purge system defects are obvious, it is more difficult to meet oil field dirt
Water requirement up to standard, specific manifestation are as follows: (1) back purge system is complicated for operation；(2) back purge system structure is too simple, adopts mostly
With back-flushing structure straight up and down, cause to run material in backwash process, that filtrate mixes layer phenomenon is serious, is unfavorable for filtrate again
It utilizes；Furthermore the form structure causes filtrate backwash insufficient, is still furnished with a large amount of sump oils on filtrate and suspended matter seriously affects
Filter oil-water separation.
Utility model content
The purpose of the utility model is to provide a kind of filter with multi-layer filter material with back purge system, filtrate backwashes
Sufficiently.
The utility model the technical scheme adopted is that a kind of filter with multi-layer filter material with back purge system, including
Tank body, tank body top are fixedly connected with water inlet pipe, and water inlet pipe fixation is communicated with water-distributing device, and water-distributing device is located in tank body, cloth
More filter material layer support constructions are fixedly installed along inner tank wall below water installations, are provided with recoil below more filter material layer support constructions
Cleaning device, back purge system are communicated with drainpipe, and drainpipe is communicated with captation, and back purge system includes 4 backwash tubes,
The equal communicated drainage pipe of 4 backwash tubes, in the shape of a spiral, and 4 backwash tubes are to updip for backwash tube, with horizontal plane at certain
Angle.
The utility model is also characterized by
Tank body includes upper ellipse head, and middle cylinder is fixedly connected under upper ellipse head, is fixedly connected under middle cylinder
There is lower ellipse head, upper ellipse head, middle cylinder, lower ellipse head are connected to form closed tank body.
Water-distributing device includes the main water distributor being connected to water inlet pipe, is communicated on main water distributor vertical with main water distributor more
A dry water distributor, main water distributor is in the same plane with multiple dry water distributors, and the plane is parallel to the horizontal plane, multiple dry cloth
Water pipe is connected with opening far from one end of main water distributor and supports knot towards more filter material layers along main water distributor symmetric part, dry water distributor
The water-distribution nozzle of structure.
More filter material layer support constructions are provided with the multilayer filtrate that partial size from top to bottom is gradually reduced, and from top to bottom the bed of material by
Thickness arrives thin.
Drainpipe is fixed on lower ellipse head, and the central axis of drainpipe is overlapped with the central axis of tank body, drainpipe
The other end leads to outside tank body, and 4 backwash tubes are centrosymmetric distribution around the center that drainpipe is located at one end in tank body.
Captation includes a water header, is uniformly communicated with several catchment on water header and is in charge of, and catchmenting, it is vertical to be in charge of
In water header, the central axis of water header and the central axis upright of tank body, catchment the central axis and water header being in charge of
Central axis be in the same plane, catchmenting to be in charge of offers opening up inlet, and water header is connected to drainpipe.
Water-distribution nozzle is in horn-like.
The beneficial effects of the utility model are:
1. the back purge system of the utility model is connected to inlet, easy to operate.
It, can be in filtrate section when backwash 2. the back purge system of the utility model uses spiral flow rubbing structure
Upper to form strong eddy flow field, similar rotary drum washing machine, which reaches, washes effect by rubbing with the hands, is not easy to run the mixed layer of material, filtrate, conducive to the weight of filtrate
It is new to utilize；Furthermore form structure filtrate backwash is sufficiently, and sump oil and suspension content are less on filtrate, can effectively improve
Filtrate utilization rate improves oil-water separation.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the filter with multi-layer filter material with back purge system of the utility model；
Fig. 2 is that a kind of structure of the back purge system of the filter with multi-layer filter material with back purge system of the utility model is shown
It is intended to；
Fig. 3 is the A-A view of water-distributing device in Fig. 1；
Fig. 4 is a kind of top view of the captation of the filter with multi-layer filter material with back purge system of the utility model；
Fig. 5 is the C-C direction view of the back purge system in Fig. 1；
Fig. 6 is a kind of back purge system top section of filter with multi-layer filter material with back purge system of the utility model
Simulate the tangential velocity vector figure being calculated；
Fig. 7 is a kind of back purge system top section of filter with multi-layer filter material with back purge system of the utility model
Simulate the tangential velocity cloud atlas being calculated；
Fig. 8 is a kind of back purge system top section of filter with multi-layer filter material with back purge system of the utility model
Tangential velocity scatter plot on central axis is calculated in simulation.
In figure, 1. tank bodies, 2. water-distributing devices, more than 3. filter material layer support constructions, 4. back purge systems, 5. captations, 6.
Drainpipe, 7. water inlet pipes；
The upper ellipse head of 1-1., 1-2. middle cylinder, ellipse head under 1-3.；
The main water distributor of 2-1., the dry water distributor of 2-2., 2-3. water-distribution nozzle；
4-1. backwash tube；
5-1. water header, 5-2., which catchments, to be in charge of, 5-3. inlet.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
A kind of filter with multi-layer filter material with back purge system of the utility model, as shown in Figure 1, including tank body 1, tank
1 top of body is fixedly connected with water inlet pipe 7, and the fixation of water inlet pipe 7 is communicated with water-distributing device 2, and water-distributing device 2 is located in tank body 1, water distribution
2 lower section of device is fixedly installed more filter material layer support constructions 3 along 1 inner wall of tank body, is provided with below more filter material layer support constructions 3 anti-
Flusher 4, back purge system 4 are communicated with drainpipe 6, and drainpipe 6 is communicated with captation 5, as shown in Fig. 2, backwash dress
Setting 4 includes 4 equal communicated drainage pipes 6 of backwash tube 4-1,4 backwash tube 4-1, backwash tube 4-1 in the shape of a spiral, and 4 anti-
Flushing pipe 4-1 to updip, forms an angle with horizontal plane.
Tank body 1 includes upper ellipse head 1-1, is fixedly connected with middle cylinder 1-2, middle cylinder under upper ellipse head 1-1
Lower ellipse head 1-3 is fixedly connected under 1-2, upper ellipse head 1-1, middle cylinder 1-2, lower ellipse head 1-3 are connected
Form closed tank body 1.
As shown in figure 3, water-distributing device 2 includes the main water distributor 2-1 being connected to water inlet pipe 7, it is communicated on main water distributor 2-1
The multiple dry water distributor 2-2s vertical with main water distributor 2-1, main water distributor 2-1 are generally aligned in the same plane with multiple dry water distributor 2-2
It is interior, and the plane is parallel to the horizontal plane, for multiple dry water distributor 2-2 along main water distributor 2-1 symmetric part, dry water distributor 2-2 is separate
One end of main water distributor 2-1 is connected with water-distribution nozzle 2-3 of the opening towards more filter material layer support constructions 3.
More filter material layer support constructions 3 are provided with the multilayer filtrate that partial size from top to bottom is gradually reduced, and the bed of material from top to bottom
By thick to thin.
Drainpipe 6 is fixed on lower ellipse head 1-3, and the central axis of drainpipe 6 is overlapped with the central axis of tank body 1,
6 other end of drainpipe leads to outside tank body 1, and 4 backwash tube 4-1 are located at the center of one end in tank body 1 in center around drainpipe 6
It is symmetrical.
As shown in figure 4, captation 5 includes a water header 5-1, several catchment uniformly is communicated on water header 5-1
It is in charge of 5-2, catchments and be in charge of 5-2 perpendicular to water header 5-1, the central axis of water header 5-1 and the central axis of tank body 1 are vertical
Directly, it catchments and is in charge of the central axis of the central axis and water header 5-1 of 5-2 and is in the same plane, catchmenting to be in charge of on 5-2 offers
Opening up inlet 5-3, water header 5-1 are connected to drainpipe 6.
Water-distribution nozzle 2-3 is in horn-like.Lower horn mouth diameter far from water distributor is about connected water distribution pipe diameter
2-3 times, water-distribution nozzle 2-3 height is about 1-2 times for connecting water distribution pipe diameter.Under bell-mouthed bore be generally 50-80mm.
4 backwash tube 4-1 of the back purge system 4 of the utility model to updip, with horizontal plane form an angle α=
10-20 degree, as shown in figure 5, the exit central axis of backwash tube 4-1 and the exit central axis and 1 point of intersection of tank body
The angle of section be β, β=15-45 degree, and the hands of spiral of 4 backwashes are consistent, such structure design, in backwash
Rotating flow easily is formed in filter canister body, reaches the effect of washing filtrate by rubbing with the hands.
More filter material layer support constructions 3 of the utility model are provided with the multilayer filtrate that partial size from top to bottom is gradually reduced, and
To thin, and from top to bottom, filtrate quality is from light to heavy by thick for the bed of material from top to bottom.When utility model works, multilayer filtrate can cloth
Layer 2-4 is set, filtering layer is more, selects filtering velocity higher, if selecting 2 layers of filtrate, filtering velocity selects 15-20m/s；Three-layer filter, filtering velocity
Select 20-25m/s；Four layers of filtrate, filtering velocity select 25-30m/s, and filtrate is respectively walnut shell filtering material, anthracite filter from top to bottom
Material, quartz sand filter media, magnetic iron ore.
The utility model selection filtrate is that it is the wild pachydermia pecan shell of 1.3-1.4, warp that walnut shell, which selects relative density,
The processes such as degreasing, grinding, peeling, drying, screening, form the filtrate of 1.2~1.6mm of partial size specification, and corresponding thickness of filter bed is
0.4m；Selecting relative density is about 1.4-1.6, partial size 1.0~1.5mm anthracite, thickness of filter bed 0.3m；Select relative density
About 2.6, partial size 0.5~0.7mm quartz sand, thickness of filter bed 0.2m；Selecting relative density is about 4.7, and partial size 0.25~
0.5mm magnetic iron ore, thickness of filter bed 0.1m, oily wastewater flow through from top to bottom, due to upper layer walnut shell or anthracite granule size compared with
Greatly, what suspended matter can be deeper penetrates filter bed, has given full play to filter bed absorption, interception capacity.
The utility model selects more filtrate numbers of plies according to treatment sewage characteristic and processing index, as processing accuracy requires height
It may be selected 3 layers or 4 layers, if oily wastewater oil content is higher more than 200ppm, upper layer filtrate is it is not recommended that using walnut shell.
The working principle of a kind of filter with multi-layer filter material with back purge system of the utility model are as follows: when work, contain
For oily water under the conditions of inlet pressure is 0.5MPa, oily wastewater enters water-distributing device 2 via water inlet pipe 7, then fills through water distribution
Main water distributor 2-1, the dry water distributor 2-2 for setting 2 flow out from each water-distribution nozzle 2-3, are evenly distributed on more filter material layer support constructions
On 3, oily wastewater filters sulfate layer flows downhill through multilayer, and the inlet 5-3 through captation 5 is collected, and it is fine to flow to junior through drainpipe 6
Separative unit.
When utility model works, when throttling through multilayer filtrate, keeping filtering oily sewage speed is about 15-30m/s,
Because of the throttling action of multilayer filtrate, pressure can decline in tank body, when tank body internal drop reaches 25-100kPa, be backwashed,
Backwashing period is typically chosen 12-24h, when backwash, is first reversely passed through natural gas or compressed air from drainpipe 6, air-flow is through collecting
Mouth of a river 5-3 and backwash tube 4-1 flows to more filter material layer support constructions 3, loosens filtering layer, expansion, then uses natural gas or air
Filter tank is reversely flowed through with the fluid-mixing of water, pressure drop is generally 1.5~2.0 times of normal work pressure drop, when filtering layer volume is upward
Stop backwash process when expansion about 40%~50%, backwashing time is about 20-30 minute, and water temperature is not less than 40 when backwash
DEG C, to remove the oil-containing impurity of filtrate retention, to strengthen backwash effect, efficient cleaner can be added in backwash water.
The greasy dirt water filtration speed of the utility model should select economic filtering velocity, filtering layer is more, and filtering velocity can according to filtering layer number
It is faster, when selecting tank body internal drop index, suitable pressure drop index should be selected, filtering layer is more, and pressure drop is bigger according to filtering layer number.
As shown in Fig. 6, Fig. 7, Fig. 8, what respectively the simulation of the utility model back purge system top section was calculated is cut
The tangential velocity scatter plot on speed vector figure, tangential velocity cloud atlas and central axis, can be clearly from Fig. 6-Fig. 8
It arrives, novel backwashing device forms apparent rotating flow inside filtrate, can reach as rotary drum washing machine to multilayer filtrate
To washing effect by rubbing with the hands.It is not easy to run the mixed layer of material, filtrate, conducive to the re-using of filtrate；Furthermore form structure filtrate backwash is filled
Point, sump oil and suspension content are less on filtrate, can effectively improve filtrate utilization rate, improve oil-water separation.
Claims (7)
1. a kind of filter with multi-layer filter material with back purge system, which is characterized in that including tank body (1), on the tank body (1)
Portion is fixedly connected with water inlet pipe (7), and water inlet pipe (7) fixation is communicated with water-distributing device (2), and the water-distributing device (2) is located at
In tank body (1), more filter material layer support constructions (3) are fixedly installed along tank body (1) inner wall below the water-distributing device (2), it is described
It being provided with back purge system (4) below more filter material layer support constructions (3), the back purge system (4) is communicated with drainpipe (6),
The drainpipe (6) is communicated with captation (5), and the back purge system (4) includes 4 backwash tubes (4-1), described in 4
Backwash tube (4-1) communicated drainage pipe (6), the backwash tube (4-1) in the shape of a spiral, and 4 backwash tubes (4-1) to
Updip forms an angle with horizontal plane.
2. a kind of filter with multi-layer filter material with back purge system according to claim 1, which is characterized in that the tank
Body (1) includes upper ellipse head (1-1), is fixedly connected with middle cylinder (1-2) under the upper ellipse head (1-1), it is described in
Between be fixedly connected with lower ellipse head (1-3) under cylinder (1-2), the upper ellipse head (1-1), middle cylinder (1-2), under it is ellipse
Circle end socket (1-3) is connected to form closed tank body (1).
3. a kind of filter with multi-layer filter material with back purge system according to claim 1, which is characterized in that the cloth
Water installations (2) include the main water distributor (2-1) being connected to water inlet pipe (7), are communicated with and main water distribution on the main water distributor (2-1)
(2-1) vertical multiple dry water distributors (2-2) are managed, the main water distributor (2-1) and multiple dry water distributors (2-2) are located at same flat
In face, and the plane is parallel to the horizontal plane, and the multiple dry water distributor (2-2) is described dry along main water distributor (2-1) symmetric part
Water distributor (2-2) is connected with water-distribution nozzle of the opening towards more filter material layer support constructions (3) far from the one end of main water distributor (2-1)
(2-3)。
4. a kind of filter with multi-layer filter material with back purge system according to claim 1, which is characterized in that described more
Filter material layer support construction (3) is provided with the multilayer filtrate that partial size from top to bottom is gradually reduced, and from top to bottom the bed of material by thick to thin.
5. a kind of filter with multi-layer filter material with back purge system according to claim 2, which is characterized in that the row
Water pipe (6) is fixed on lower ellipse head (1-3), the central axis of the drainpipe (6) and the central axis weight of tank body (1)
It closes, drainpipe (6) other end leads to tank body (1) outside, and 4 backwash tubes (4-1) are located at around drainpipe (6)
The center of tank body (1) interior one end is centrosymmetric distribution.
6. a kind of filter with multi-layer filter material with back purge system according to claim 5, which is characterized in that the collection
Water installations (5) include a water header (5-1), are uniformly communicated with several catchment on the water header (5-1) and are in charge of (5-2),
Described catchment is in charge of (5-2) perpendicular to water header (5-1), in the central axis of the water header (5-1) and tank body (1)
Mandrel line is vertical, and described catchment is in charge of the central axis of the central axis and water header (5-1) of (5-2) and is in the same plane, institute
It states to catchment to be in charge of on (5-2) and offer opening up inlet (5-3), the water header (5-1) and the drainpipe (6)
Connection.
7. a kind of filter with multi-layer filter material with back purge system, feature described in -6 any one according to claim 1
It is, the water-distribution nozzle (2-3) is in horn-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820362668.4U CN208465270U (en) | 2018-03-16 | 2018-03-16 | A kind of filter with multi-layer filter material with back purge system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820362668.4U CN208465270U (en) | 2018-03-16 | 2018-03-16 | A kind of filter with multi-layer filter material with back purge system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208465270U true CN208465270U (en) | 2019-02-05 |
Family
ID=65206925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820362668.4U Expired - Fee Related CN208465270U (en) | 2018-03-16 | 2018-03-16 | A kind of filter with multi-layer filter material with back purge system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208465270U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307363A (en) * | 2021-12-31 | 2022-04-12 | 中国农业大学 | Automatic back flush centrifugation-grit integral filter |
| CN114870448A (en) * | 2022-06-10 | 2022-08-09 | 华能左权煤电有限责任公司 | Double-medium filter |
-
2018
- 2018-03-16 CN CN201820362668.4U patent/CN208465270U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307363A (en) * | 2021-12-31 | 2022-04-12 | 中国农业大学 | Automatic back flush centrifugation-grit integral filter |
| CN114307363B (en) * | 2021-12-31 | 2022-11-04 | 中国农业大学 | Automatic back flush centrifugation-grit integral filter |
| CN114870448A (en) * | 2022-06-10 | 2022-08-09 | 华能左权煤电有限责任公司 | Double-medium filter |
| CN114870448B (en) * | 2022-06-10 | 2024-04-09 | 华能左权煤电有限责任公司 | Double-medium filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190205 Termination date: 20200316 |