CN202700166U - Polymer wastewater layering filter - Google Patents
Polymer wastewater layering filter Download PDFInfo
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- CN202700166U CN202700166U CN 201220284960 CN201220284960U CN202700166U CN 202700166 U CN202700166 U CN 202700166U CN 201220284960 CN201220284960 CN 201220284960 CN 201220284960 U CN201220284960 U CN 201220284960U CN 202700166 U CN202700166 U CN 202700166U
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Abstract
The utility model relates to a polymer wastewater layering filter and aims at solving the problems in the prior art that an existing filter holds pressure and materials escape in the process of back washing. The polymer wastewater layering filter is characterized in that a double-layer filter distributor (5) is arranged on the upper portion of a filter body. Three filter material layers are arranged on the lower portion of a stirring unit (6) from top to bottom corresponding to the middle lower portion of the filter body. The three filter material layers are respectively a walnut shell filter material layer (7), a quartz sand filter material layer (8) and a magnetite filter material layer (9). A plurality of three-way type backflushing distributors (10) are fixed on the bottom layer of the magnetite filter material layer (9) close to the inner wall of filter body. The other ends of the three-way type backflushing distributors (10) are communicated with a water outlet/ backflushing water inlet pipeline (11). The polymer wastewater layering filter has no phenomena of pressure hold and materials escaping in the process of backflushing through adoption of a double-layer cylindrical filter structure when the polymer wastewater layering filter treats polymer flooding wastewater and polymer wastewater, and is qualified in yielding water.
Description
Technical field
The utility model relates to a kind of filtering oily sewage treating apparatus, particularly a kind of polymer-bearing waste-water plain filter.
Background technology
[0002] oil field enters the tertiary oil recovery phase, usually uses polymer to recover the oil, and generation contained polymer sewage in a large number after polymer recovered the oil.The general mode isolation of purified that filters that adopts contains polymer sewage.In the double filtering filter, after the quartz sand by the upper strata and the magnetic iron ore of lower floor filtered, along with the prolongation of time, filtration yield reduces must carry out backwash.After the backwash, the accumulation suspension floats on the filtrate upper strata, and along with water level rises, the accumulation suspension will be attached on the screen casing of water distribution system, be easy to screen pipe opening sticking dead.Like this, when backwash, will cause to build the pressure.When pressure acquired a certain degree, Decrepitation Phenomena appearred in screen casing, and a large amount of filtrates are run off.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the problem that the existing Filter Back Washing that exists in the background technology built the pressure, ran material, and provide a kind of polymer-bearing waste-water plain filter, this polymer-bearing waste-water plain filter, non-recoil is washed and is built the pressure, runs the material problem when adopting the double-layer barrel type filtration device structure to process polymer-flooding sewage and polymer-bearing waste-water, and effluent quality is qualified.
The invention for solving the technical problem can reach by following technical solution: this polymer-bearing waste-water plain filter comprises filter body, described filter body openend is equipped with the oil slick collector, open top connects agitating device by motor, described filter body top is provided with the double medium filtration distributor, corresponding filter body middle and lower part, agitating device bottom arranges the three-layer filter layer from top to bottom, be respectively the walnut shell filtering material layer, the quartz sand filter media layer, the magnetic iron ore filter material layer, magnetic iron ore filter material layer bottom is fixed with some three way type recoil distributors near the filter body inwall, the three way type recoil distributor other end and water outlet/backwash water inlet UNICOM.
The utility model is compared with the above-mentioned background technology can have following beneficial effect: this polymer-bearing waste-water plain filter is owing to adopt said structure, multi-bed filter adopts the double-layer barrel type filtration device structure, it is the concentric screen structure, skin is a sleeve pipe, internal layer is a small gap screen casing, in the middle of screen casing and sleeve pipe, load the granular materials of high intensity low density, in the backwash process, granular materials surrounds inner screen under the backwashing water effect, avoids granule filter clogging screen casing to cause screen casing to build the pressure, run material.The granular materials that will wrap up screen casing in the filter process under the water effect washes away down, is deposited in inside pipe casing.Sewage is evenly distributed on the filtrate top layer through the double medium filtration distributor, and water outlet up to standard enters clean water tank after filtering through three-layer filter.The design adopts the double medium filtration distributor, takes full advantage of its internal structure, can effectively control the expanded height of filtrate, avoids filtrate to run off.
Description of drawings:
Accompanying drawing 1 is structural representation of the present utility model.
Among the figure: 1-dosing pump, 2-water inlet/backwash water outlet pipeline, 3-exhaust-valve, 4-oil slick collector, 5-double medium filtration distributor, 6-agitating device, the 7-walnut shell filtering material, 8-quartz sand filter media, 9-magnetic iron ore filtrate, 10-three way type recoil distributor, 11-water outlet/backwash back with water inlet line, the upper laminate of 12-, 13-inner screen, 14-lower floor pressing plate, 15-lower floor pressing plate.
The specific embodiment:
In the utility model is described in further detail below in conjunction with the accompanying drawing general:
As shown in Figure 1, this polymer-bearing waste-water plain filter comprises filter body, described filter body openend is oil slick collector 4, open top connects agitating device 6 by motor, filter body top is provided with double medium filtration distributor 5, corresponding filter body middle and lower part, agitating device 6 bottoms arranges the three-layer filter layer from top to bottom, be respectively walnut shell filtering material layer 7, quartz sand filter media layer 8, magnetic iron ore filter material layer 9, magnetic iron ore filter material layer 9 bottoms are fixed with some three way type recoil distributors 10, three way type recoil distributor 10 other ends and water outlet/backwash back with water inlet line 11 UNICOMs near the filter body inwall; Described double medium filtration distributor 5 is two laminates, is respectively between laminate 12 and lower floor's pressing plate 15, two laminates and is fixed with some vertical outer sleeve pipes 14, and outer layer sleeve 14 inner chambers are fixed with inner screen 13 in upper laminate 12 bottoms; Described outer layer sleeve 14 is haydite with the particle of the inner screen 13 middle high intensity low densities of loading.
The filter body openend connects dosing pump 1 by water inlet/backwash water outlet pipeline 2, and filter body openend top is connected to exhaust-valve 3.When this polymer-bearing waste-water plain filter uses, flocculant is squeezed in water/backwash water outlet pipeline 2 via dosing pump 1, Oil in Sewage Water and suspended solid form flco under the polyacrylamide effect in efficient flocculant and water, sewage is evenly distributed on the filtrate top layer through double medium filtration distributor 5, the particle that forms flco is held back for walnut shell filtering material in walnut shell filtering material layer 7 process in effluent stream, some tiny particles then enter lower floor's quartz sand filter media layer 8, in the magnetic iron ore filter material layer 9, remove through holding back with settlement action, water enters three way type recoil distributor 10 after filtering through three-layer filter.Water outlet up to standard enters clean water tank through water outlet/backwash back with water inlet line 11.This patent adopts the three-layer filter grating, and one deck is 2.5 ~ 3mm walnut shell filtering material, highly is 1000mm; The intermediate layer is 0.8 ~ 1.2mm quartz sand filter media, highly is 300mm; Lower floor is 0.25 ~ 0.5mm magnetic iron ore filtrate, highly is 400mm.
Backwashing water is via water outlet/backwash back with water inlet line 11 in the backwash process, is evenly distributed in the tank by three way type recoil distributor 10, utilizes the impurity that will be trapped in the filtrate top layer under the acting in conjunction of backwashing water and agitator to wash down.Particularly for containing polymer sewage, because polymer sewage viscosity is large, impurity and particle adhesion power are large, are not easy desorption, cause filtrate to run off, and the design adopts the double medium filtration distributor, take full advantage of its internal structure, in the middle of screen casing and sleeve pipe, load the granular materials of high intensity low density, in the backwash process, granular materials surrounds inner screen under the backwashing water effect, avoids granule filter clogging screen casing to cause screen casing to build the pressure, run material.The granular materials that will wrap up screen casing in the filter process under the water effect washes away down, is deposited in inside pipe casing.Can effectively control the expanded height of filtrate, avoid filtrate to run off.
Claims (3)
1. polymer-bearing waste-water plain filter, comprise filter body, described filter body openend is equipped with oil slick collector (4), open top connects agitating device (6) by motor, it is characterized in that: described filter body top is provided with double medium filtration distributor (5), corresponding filter body middle and lower part, agitating device (6) bottom arranges the three-layer filter layer from top to bottom, is respectively walnut shell filtering material layer (7), quartz sand filter media layer (8), magnetic iron ore filter material layer (9); Magnetic iron ore filter material layer (9) bottom is fixed with some three way type recoil distributors (10), three way type recoil distributor (10) other end and water outlet/backwash back with water inlet line (11) UNICOM near the filter body inwall.
2. polymer-bearing waste-water plain filter according to claim 1, it is characterized in that: described double medium filtration distributor (5) is two laminates, be respectively laminate (12) and lower floor's pressing plate (15), be fixed with some vertical outer sleeve pipes (14) between two laminates, outer layer sleeve (14) inner chamber is fixed with inner screen (13) in upper laminate (12) bottom.
3. polymer-bearing waste-water plain filter according to claim 2 is characterized in that: the particle of the high intensity low density of loading in the middle of described outer layer sleeve (14) and the inner screen (13) is haydite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220284960 CN202700166U (en) | 2012-06-14 | 2012-06-14 | Polymer wastewater layering filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220284960 CN202700166U (en) | 2012-06-14 | 2012-06-14 | Polymer wastewater layering filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202700166U true CN202700166U (en) | 2013-01-30 |
Family
ID=47580508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220284960 Expired - Lifetime CN202700166U (en) | 2012-06-14 | 2012-06-14 | Polymer wastewater layering filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202700166U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105366834A (en) * | 2014-08-28 | 2016-03-02 | 中国海洋石油总公司 | Polymer-contained sewage processing system of offshore platform |
| CN107235585A (en) * | 2017-07-31 | 2017-10-10 | 成都恒力达科技有限公司 | A kind of sewage filter device |
-
2012
- 2012-06-14 CN CN 201220284960 patent/CN202700166U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105366834A (en) * | 2014-08-28 | 2016-03-02 | 中国海洋石油总公司 | Polymer-contained sewage processing system of offshore platform |
| CN105366834B (en) * | 2014-08-28 | 2017-11-10 | 中国海洋石油总公司 | The polymer-bearing waste-water processing system of offshore platform |
| CN107235585A (en) * | 2017-07-31 | 2017-10-10 | 成都恒力达科技有限公司 | A kind of sewage filter device |
| CN107235585B (en) * | 2017-07-31 | 2020-06-05 | 湖南湘宜环保科技有限公司 | Sewage filtering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130130 |