CN204841070U - Oil field contaminated water filtration apparatus - Google Patents

Oil field contaminated water filtration apparatus Download PDF

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Publication number
CN204841070U
CN204841070U CN201520396043.6U CN201520396043U CN204841070U CN 204841070 U CN204841070 U CN 204841070U CN 201520396043 U CN201520396043 U CN 201520396043U CN 204841070 U CN204841070 U CN 204841070U
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China
Prior art keywords
water
backwash
locator
communicated
filter material
Prior art date
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Active
Application number
CN201520396043.6U
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Chinese (zh)
Inventor
贾正舍
贾瑢
陈燕
曹义周
关键
王玉晓
赵广可
储文革
崔永凯
兰清亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Petroleum and Chemical Corp
Sinopec Henan Oilfield Branch Co No 2 Oil Production Plant
Original Assignee
China Petroleum and Chemical Corp
Sinopec Henan Oilfield Branch Co No 2 Oil Production Plant
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Application filed by China Petroleum and Chemical Corp, Sinopec Henan Oilfield Branch Co No 2 Oil Production Plant filed Critical China Petroleum and Chemical Corp
Priority to CN201520396043.6U priority Critical patent/CN204841070U/en
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Publication of CN204841070U publication Critical patent/CN204841070U/en
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Abstract

The utility model provides an oil field contaminated water filtration apparatus, including the filtration jar, the filtration jar is personally experienced sth. Part of the body including the jar, is equipped with the filter material layer during the jar is personally experienced sth. Part of the body, the jar body in on the filter material layer below correspond and be equipped with that the water structure is led to to going up of when being used for when filtering input sewage, backwash discharge backwash water and when being used for discharging drainage, backwash when the filtering lower logical water structure of input backwash water, two lead to water structures respectively including lead to the water water -locator and with lead to water water -locator intercommunication a plurality of around the logical water sieve pipes that lead to water water -locator circumference equipartition, the logical water water -locators of two logical water structures feed through respectively to have and extend the external water service pipe of jar. The play surface of water that leads to the water structure down is long -pending big, can increase the area of contact of backwash water and filter material, improves the backwash effect to the filter material. No matter when being sewage or backwash water, rivers cushions in leading to the water water -locator and keep in, the contact time of extension rivers and filter material, and the improvement is to the filter effect of sewage with to the backwash effect of filter material.

Description

Oilfield sewage filtering device
Technical field
The utility model relates to a kind of oilfield sewage filtering device.
Background technology
Oilfield produced waste water filtration is the final operation of recycled produced water treatment, and current filtering technique water quality treatment can reach geologic requirements C level or B level index, but water distribution is uneven, filtrate easily penetrates, and effluent quality is poor, and producing water ratio is low, filtrate is short for service life, and operating cost is higher, less economical.Therefore, new technology is filtered in development, improves ability and the efficiency of filtration treatment sewage, improves sewage disposal index, reduces the fixed cost and operating cost of filtering, and is the Main way of filtering technique research.
The filter of usual employing comprises filtering tank, the filter material layer for filtering sewage is provided with in filtering tank, for meeting the filter capacity of filtering tank, the filtrate that many employings particle diameter is thinner, this superfine filtrate has the features such as retaining power is strong, filter cycle is long, but in actual use, due to the impact of operating mode, human factor, cause to filtrate backwash thoroughly and cause filtrate to harden, the problem of filterins media run-off, media filtration ability in filter is reduced, and then need frequently to change filtrate, improve filtration cost.
Summary of the invention
The utility model provides a kind of oilfield sewage filtering device, to solve in prior art the filtrate backwash thorough technical problem causing filtrate to harden, run off.
The technical scheme of oilfield sewage filtering device provided by the utility model is: oilfield sewage filtering device, comprise filtering tank, filtering tank comprises tank body, filter material layer is provided with in tank body, be provided with for the input sewage when filtering in filter material layer upper and lower correspondence in described tank body, during backwash discharge backwash water upper water through structure and for filter time discharge filtered water, the lower water through structure of backwash water is inputted during backwash, multiple water flowing screen casings uniform around water flowing water-locator circumference that two water through structures comprise water flowing water-locator respectively and are communicated with water flowing water-locator, the water flowing water-locator of two water through structures is communicated with the water service pipe extended outside tank body respectively.
The water flowing water-locator of two described water through structures is all rounded, and each water flowing screen casing of two water through structures all extends along the radial direction of circular water flowing water-locator.
Particle diameter progressively attenuates from top to bottom, proportion strengthens gradually for the granularity of described filter material layer.
Described filter material layer comprises the diamond dust filter material layer of below and the quartz sand filter media layer of top.
Described water service pipe comprises the upper water service pipe be communicated with the water flowing water-locator of upper water through structure and the lower water service pipe be communicated with the water flowing water-locator of lower water through structure, concentrate control valve is provided with outside described tank body, concentrate control valve has filtered water import, filtering water outlet, backwash water import, backwash water exports, the upper outlet pass be communicated with described upper water service pipe and the lower outlet pass be communicated with described lower water service pipe, concentrate control valve has to be made filtered water import be communicated with upper outlet pass to supply water with upwards water through structure, make filtering water outlet be communicated with lower outlet pass for lower water through structure draining filtration station with backwash water import is communicated with lower outlet pass supply water with downward water through structure, backwash water is exported be communicated with to keep supplying the backwash station that water through structure discharges backwash water with upper water through structure.
Described tank body top is provided with the blow-off pipe that the epicoele for being positioned in tank body above filter material layer is communicated with.
Described tank body is provided with the observation window for observing height of filter media layer and liquid level.
Described observation window comprises liquid level form and filtrate form.
The beneficial effects of the utility model are: in tank body, arrange upper and lower water through structure respectively in filter material layer upper and lower in oilfield sewage filtering device provided by the utility model, when filtering, by inputting sewage to be filtered in the water flowing water-locator in the water service pipe of correspondence upwards water through structure, sewage is cushioned and is discharged through water flowing screen casing in water flowing water-locator, at sewage after filter material layer filters, water flowing screen casing through lower water through structure enters in the water flowing water-locator of lower water through structure, and discharge tank body through corresponding water service pipe, complete the filtration to sewage.And when backwash, by inputting backwash water in the water flowing water-locator in the downward water through structure of the water service pipe of correspondence, backwash water is cushioned and is discharged through water flowing screen casing in water flowing water-locator, after backwash water carries out backwash to filter material layer, backwash water enters in the water flowing water-locator of upper water through structure through the water flowing screen casing of upper water through structure again, and discharge tank body through corresponding water service pipe, complete the backwash to filter material layer.Because the water flowing screen casing in lower water through structure is arranged in water flowing water-locator circumference, water-outlet area is comparatively large, can increase the contact area of backwash water and filtrate like this, improve the backwash effect to filtrate.Further, no matter be at filter sewage or when inputting backwash water, all need to be introduced in water flowing water-locator, current are buffer in water flowing water-locator, the flow velocity of water can be reduced like this, extend the time of contact of current and filtrate, improve the filter effect to sewage and the backwash effect to filtrate.
Further, particle diameter progressively attenuates from top to bottom, proportion strengthens gradually for the granularity of filter material layer, and filtrate not random layer during backwash, improves and filter and backwash effect.
Further, by concentrate control valve in the switching of filtering station and backwash station, realize the switching of filtration condition to filter and backwash state, control more for convenience.
Further, tank body top is provided with the blow-off pipe that the epicoele for being positioned in tank body above filter material layer is communicated with, and this blow-off pipe when backwash, first can get rid of tank body top high-concentration sewage, improves backwash effect.And when filtering, then first get rid of tank body upper gas and the higher sewage of concentration, improve filter effect.
Further, tank body is provided with observation window, is convenient to like this observe filter material layer loss, pollution condition and liquid level.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of oilfield sewage filtering device provided by the utility model;
Fig. 2 is the internal structure schematic diagram that the filtration of filter shown in Fig. 1 is filled with;
Fig. 3 is the structural representation of lower water through structure in Fig. 2;
Fig. 4 is A-A sectional view in Fig. 3.
Detailed description of the invention
As shown in Figures 1 to 4, a kind of embodiment of oilfield sewage filtering device, filter in this embodiment comprises filtering tank, filtering tank comprises tank body 1, filter material layer is provided with in tank body 1, filter material layer adopts composite double filtering, specifically, filter material layer comprises the diamond dust filter material layer 14 of below and the quartz sand filter media layer 15 of top, wherein, diamond filter material layer 14 adopts the diamond dust fines of particle diameter 0.15-0.5mm, proportion 3.06-3.20g/cm3, quartz sand filter media layer 15 then adopts particle diameter 0.6-1.2mm quartz sand coarse fodder, proportion 2.55-2.60g/cm3, filter material layer from top to bottom particle diameter progressively attenuates, proportion strengthens gradually, when guaranteeing to filter, water quality progressively improves, filtrate not random layer during backwash.
In tank body 1 filter material layer upper and lower correspondence be provided with for filter time input sewage, backwash time discharge backwash water upper water through structure and for filter time discharge filtered water, backwash time input backwash water lower water through structure, the structure of two water through structures is substantially identical.
Multiple upper water flowing screen casings 17 uniform around upper water flowing water-locator circumference that upper water through structure comprises water flowing water-locator 16 and is communicated with upper water flowing water-locator, upper water flowing water-locator 16 is rounded, and upper water flowing screen casing 17 all extends along the radial direction of circular upper water flowing water-locator 16 to form divergent structure.Herein, the upper water flowing water-locator of upper water through structure is communicated with the upper water service pipe 3 extending tank body 1 outside.Multiple lower water flowing screen casings 13 uniform around lower water flowing water-locator circumference that lower water through structure comprises lower water flowing water-locator 12 and is communicated with lower water flowing water-locator, lower water flowing water-locator 12 is rounded, and lower water flowing screen casing 13 all extends along the radial direction of circular lower water flowing water-locator 11 to form divergent structure.Herein, the lower water flowing water-locator 12 of lower water through structure is communicated with the lower water service pipe 8 extending tank body 1 outside.In the present embodiment, the water flowing screen casing in upper and lower water through structure is stainless steel component, and water flowing screen casing is fixedly mounted in tank body 1 by support 18.
Upper and lower water service pipe is corresponding with concentrate control valve 5 to be communicated with, and concentrate control valve 5 has filtered water import, filtering water outlet, backwash water import, backwash water outlet, the upper outlet pass be communicated with described upper water service pipe 3 and the lower outlet pass be communicated with described lower water service pipe 8.Further, concentrate control valve 9 have filtered water import is communicated with upper outlet pass supply water with upwards water through structure, make filtering water outlet be communicated with lower outlet pass for lower water through structure draining filtration station with backwash water import is communicated with lower outlet pass supply water with downward water through structure, backwash water exported be communicated with to keep supplying the backwash station that water through structure discharges backwash water with upper water through structure.
During use, make the filtered water import of concentrate control valve 5 is communicated with filtered water inlet water service pipe 10, filtering water outlet is communicated with and filters water outlet water service pipe 9, backwash water import is communicated with backwash water inlet water service pipe 7, backwash water outlet is upper is communicated with backwash water outlet water service pipe 6.Filtering the switching on station and backwash station by controlling concentrate control valve, controlling sewage filter device and carrying out filtering and backwash.
Meanwhile, for ease of observing height of filter media layer and liquid level, tank body is provided with for observation window, observation window herein specifically comprises the liquid level form 2 being in top and the filtrate form 11 being in below.
Further, on tank body top, blow-off pipe 4 is being installed, during backwash, is first getting rid of tank body top high-concentration sewage, improve backwash effect.And when filtering, then first get rid of tank body upper gas and the higher sewage of concentration, improve filter effect.
During use, concentrate control valve 5 is in filtration station, filtered water import is communicated with upper outlet pass, filtered water inlet water service pipe 10 is communicated with by upper water service pipe 3 with upper water through structure, sewage to be filtered enters in the upper water flowing water-locator 16 of water through structure, sewage in upper water flowing water-locator 16, obtain buffering and on warp, water flowing screen casing 17 is discharged, at sewage after the double medium filtration of quartz sand filter media layer 15 and diamond dust filter material layer 14, lower water flowing screen casing 13 through lower water through structure enters in lower water flowing water-locator 12, and discharge tank body 1 through corresponding lower water service pipe 8, complete the filtration to sewage, dissolved oil in sewage, suspension is evenly distributed on the filtrate of filter material layer, adsorb through different brackets filtrate, retain, oilfield sewage is improved in water quality after filtering, sewage after filtration again flow into flood pattern or depth is comprehended with in system.
When backwash, concentrate control valve 5 is in backwash station, by inputting backwash water in the lower water flowing water-locator 12 in lower water service pipe 8 downwards water through structure, backwash water in lower water flowing water-locator 12, obtain buffering and under warp, water flowing screen casing 13 is discharged, by backwash water, backwash is carried out to filter material layer, backwash water enters in upper water flowing water-locator 16 through the upper water flowing screen casing 17 of upper water through structure again, and drain through corresponding upper water service pipe 3, concentrate control valve 9, backwash water outlet water service pipe 6, be transmitted back to treatment system more again to process, complete the backwash to filter material layer 6.
In above-described embodiment, the water flowing water-locator in two water through structures adopts circular, is convenient to design arrangement water flowing screen casing like this.In other embodiments, water flowing water-locator also can be designed to square according to actual needs.
In above-described embodiment, adopt concentrate control valve to realize controlling the input and output of upper and lower water service pipe, in domination set, simplicity of design is reasonable, is convenient to install.In other embodiments, also concentrate control valve can be saved, and by upper and lower water service pipe respectively with corresponding filtered water inlet water service pipe, filter water outlet water service pipe, water service pipe is intake in backwash and backwash water outlet water service pipe is communicated with, and arranges control valve respectively on each pipeline.

Claims (8)

1. oilfield sewage filtering device, comprise filtering tank, filtering tank comprises tank body, filter material layer is provided with in tank body, it is characterized in that: be provided with for the input sewage when filtering in filter material layer upper and lower correspondence in described tank body, during backwash discharge backwash water upper water through structure and for filter time discharge filtered water, the lower water through structure of backwash water is inputted during backwash, multiple water flowing screen casings uniform around water flowing water-locator circumference that two water through structures comprise water flowing water-locator respectively and are communicated with water flowing water-locator, the water flowing water-locator of two water through structures is communicated with the water service pipe extended outside tank body respectively.
2. oilfield sewage filtering device according to claim 1, is characterized in that: the water flowing water-locator of two described water through structures is all rounded, and each water flowing screen casing of two water through structures all extends along the radial direction of circular water flowing water-locator.
3. oilfield sewage filtering device according to claim 1, is characterized in that: particle diameter progressively attenuates from top to bottom, proportion strengthens gradually for the granularity of described filter material layer.
4. oilfield sewage filtering device according to claim 3, is characterized in that: described filter material layer comprises the diamond dust filter material layer of below and the quartz sand filter media layer of top.
5. oilfield sewage filtering device as claimed in any of claims 1 to 4, it is characterized in that: described water service pipe comprises the upper water service pipe be communicated with the water flowing water-locator of upper water through structure and the lower water service pipe be communicated with the water flowing water-locator of lower water through structure, concentrate control valve is provided with outside described tank body, concentrate control valve has filtered water import, filtering water outlet, backwash water import, backwash water exports, the upper outlet pass be communicated with described upper water service pipe and the lower outlet pass be communicated with described lower water service pipe, concentrate control valve has to be made filtered water import be communicated with upper outlet pass to supply water with upwards water through structure, make filtering water outlet be communicated with lower outlet pass for lower water through structure draining filtration station with backwash water import is communicated with lower outlet pass supply water with downward water through structure, backwash water is exported be communicated with to keep supplying the backwash station that water through structure discharges backwash water with upper water through structure.
6. oilfield sewage filtering device according to claim 5, is characterized in that: described tank body top is provided with the blow-off pipe that the epicoele for being positioned in tank body above filter material layer is communicated with.
7. oilfield sewage filtering device as claimed in any of claims 1 to 4, is characterized in that: described tank body is provided with the observation window for observing height of filter media layer and liquid level.
8. oilfield sewage filtering device according to claim 7, is characterized in that: described observation window comprises liquid level form and filtrate form.
CN201520396043.6U 2015-06-10 2015-06-10 Oil field contaminated water filtration apparatus Active CN204841070U (en)

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Application Number Priority Date Filing Date Title
CN201520396043.6U CN204841070U (en) 2015-06-10 2015-06-10 Oil field contaminated water filtration apparatus

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Application Number Priority Date Filing Date Title
CN201520396043.6U CN204841070U (en) 2015-06-10 2015-06-10 Oil field contaminated water filtration apparatus

Publications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113648687A (en) * 2021-09-01 2021-11-16 福建省水投勘测设计有限公司 Molecular sieve filter water distribution system capable of distributing water uniformly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113648687A (en) * 2021-09-01 2021-11-16 福建省水投勘测设计有限公司 Molecular sieve filter water distribution system capable of distributing water uniformly

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