CN202762152U - Multi-medium oilfield produced water filter - Google Patents

Multi-medium oilfield produced water filter Download PDF

Info

Publication number
CN202762152U
CN202762152U CN201220429301.2U CN201220429301U CN202762152U CN 202762152 U CN202762152 U CN 202762152U CN 201220429301 U CN201220429301 U CN 201220429301U CN 202762152 U CN202762152 U CN 202762152U
Authority
CN
China
Prior art keywords
water
filter
tank body
material layer
filter material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN201220429301.2U
Other languages
Chinese (zh)
Inventor
张立刚
王长江
杜召来
贾鲁涛
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.)
SHENGLI OILFIELD XINGTONG CONSTRUCTION ENGINEERING Co Ltd
Original Assignee
SHENGLI OILFIELD XINGTONG CONSTRUCTION ENGINEERING Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHENGLI OILFIELD XINGTONG CONSTRUCTION ENGINEERING Co Ltd filed Critical SHENGLI OILFIELD XINGTONG CONSTRUCTION ENGINEERING Co Ltd
Priority to CN201220429301.2U priority Critical patent/CN202762152U/en
Application granted granted Critical
Publication of CN202762152U publication Critical patent/CN202762152U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Water Treatment By Sorption (AREA)

Abstract

The utility model discloses a multi-medium oilfield produced water filter which comprises a tank body, wherein a water inlet is arranged on the lateral wall on the upper portion of the tank body, and a water outlet is arranged at the bottom of the tank body. An anthracite filter material layer, a glauconite filter material layer, a magnetite filter material layer, an emery filter material layer and a quartz sand filter material layer are sequentially arranged in the tank body from top to bottom. Sewage flows into the tank body from the water inlet, flows through all the filter material layers to be filtered and is discharged from the water outlet. According to the multi-medium oilfield produced water filter, multiple layers of filter materials are adopted, sewage evenly flows through the filter materials from top to bottom and is filtered layer by layer, the screening effect and the adsorption effect are effectively combined, and sewage treatment effect is greatly improved. Simultaneously, sewage can evenly flow through the filter material layers from bottom to top to be washed, and the filter materials can be sufficiently washed through back flow and chemical feed effects.

Description

The oil field produced water filter of multimedium
Technical field
The utility model relates to the oil field produced water filter of a kind of multimedium.
Background technology
Old-fashioned filter adopts single filter material, and sewage enters the worry tank through the top water inlet, after filter through the walnut shell filtering layer after, sieve plate oozes out through the bottom, flows out from water out.During backwash and the filter process contrary.The major defect of its existence is: 1, water inlet is not uniform, impacts with the form of a water column and considers bed, and sewage can not get uniform filtering.2, the worry layer is single, the sewage water filtration weak effect.3, sieve-plate structure can not force sewage uniform filtering in the filtrate sectional area, and the less place of the water resistance of sewage in filter material layer is preferentially passed through, and sewage can not get abundant filtration; Otherwise clear water can not be uniform during backwash passes through filtering layer, and backwash effect is relatively poor.4, sieve-plate structure is simple, produces easily to leak the material phenomenon.
The utility model content
For the problem that prior art exists, the purpose of this utility model is to provide a kind of structure through improving, have the oil field produced water filter of multimedium that filter effect is stable well, sewage disposal fully waits advantage.
For achieving the above object, the oil field produced water filter of the utility model multimedium, comprise tank body, be provided with water inlet on the sidewall on tank body top, the bottom is provided with delivery port, be disposed with from top to bottom ANTHRACITE FILTER MEDIA layer, glauconite filter material layer, magnetic iron ore filter material layer, diamond dust filter material layer and quartz sand filter media layer in the tank body, sewage enters tank body from water inlet, discharges from delivery port after each filter material layer of flowing through filters.
Further, the particle diameter of the ANTHRACITE FILTER MEDIA in the described ANTHRACITE FILTER MEDIA layer is 1.2-1.6mm, the particle diameter of the glauconite filtrate in the described glauconite filter material layer is 0.8-1.2mm, the particle diameter of the magnetic iron ore filtrate in the described magnetic iron ore filter material layer is 0.6-0.8mm, the particle diameter of the diamond dust filtrate in the described diamond dust filter material layer is 0.4-0.6mm, and the particle diameter of the quartz sand filter media in the described quartz sand filter media layer is 4-8mm.
Further, the top in the described tank body is provided with the import cyclone, and this import cyclone comprises the drum on top and the cone cylinder of bottom, the inner roof wall fixed seal connection of the upper end of drum and described tank body; Be provided with several apopores on the sidewall of cylinder, described water inlet is communicated with by the port that arranges on water pipe and the cone cylinder sidewall, and the bottom port of cone tin is communicated with the backwash delivery port by water pipe.
Further, connection is provided with the screen casing water-locator on the described apopore, and screen casing water-locator comprises the water distributor that is connected on each described apopore on this, the cross section of the described tank body of water distribution area covering after several water distributor entire combination.
Further, bottom in the described tank body is provided with the backwash liquid distributor, this backwash liquid distributor comprises the arm on horizontal supervisor and several are vertically, be connected between this supervisor and the arm, supervisor is communicated with described delivery port by water pipe, be covered with the ring screw shape tank that runs through on the tube wall of arm, the cross section in the described tank body of water distribution area covering of several arm.
Further, be provided with the hydraulic cyclone Scrubbing apparatus on the described backwash liquid distributor, this hydraulic cyclone Scrubbing apparatus comprises supervisor and the some layers of cloth water-bound that are connected, supervisor is communicated with installation with described backwash liquid distributor, supervisor is provided with some layers of cloth water-bound along its short transverse, and every layer of cloth water-bound comprises with radial equally distributed several water distributing plates.
Further, be provided with manhole and be used for visor in the observation tank on the sidewall of described tank body.
Further, the bottom of described tank body is provided with relieving device.
Further, be provided with first on the position of the upper end of described tank body corresponding to described drum end and receive oilhole, oilhole is received corresponding to being provided with second on the position outside the described drum end in the upper end of described tank body.
In the utility model, by adopting the filtrate of multilayer, sewage from top to bottom evenly passes through various filtrates, successively filters, and the effect of screening out and suction-operated are combined effectively, has improved greatly wastewater treatment efficiency.Simultaneously, can adopt and from bottom to top evenly pass various filtering layers and wash, by adverse current and dosing effect, fully clean filtrate.
Description of drawings
Fig. 1 is the utility model cutaway view;
Fig. 2 is the utility model left view;
Fig. 3 is the utility model top view;
Fig. 4 be among Fig. 1 A-A to structural representation;
Fig. 5 is B section enlarged drawing among Fig. 1;
Fig. 6 is upper screen casing water distributor structure schematic diagram;
Fig. 7 is hydraulic cyclone Scrubbing apparatus structural representation;
Fig. 8 is the top view of hydraulic cyclone Scrubbing apparatus.
The specific embodiment
Below, with reference to the accompanying drawings, the utility model is more fully illustrated, shown in the drawings of exemplary embodiment of the present utility model.Yet the utility model can be presented as multiple multi-form, and should not be construed as the exemplary embodiment that is confined to narrate here.But, these embodiment are provided, thereby make the utility model comprehensively with complete, and scope of the present utility model is fully conveyed to those of ordinary skill in the art.
In order to be easy to explanation, here can use such as " on ", the space relative terms such as D score " left side " " right side ", be used for element shown in the key diagram or feature with respect to the relation of another element or feature.It should be understood that except the orientation shown in the figure spatial terminology is intended to comprise the different azimuth of device in using or operating.For example, if the device among the figure is squeezed, be stated as the element that is positioned at other elements or feature D score will be positioned at other elements or feature " on ".Therefore, the exemplary term D score can comprise upper and lower orientation both.Device can otherwise be located (90-degree rotation or be positioned at other orientation), and the relative explanation in used space here can correspondingly be explained.
Extremely shown in Figure 8 such as Fig. 1, the oil field produced water filter of the utility model multimedium, comprise tank body and brace type bearing 1 thereof, tank body comprises oval capping 18, cylindrical shell 16 and lower oval capping 5, be provided with water inlet 3 on the sidewall of cylindrical shell 16, backwash delivery port 2, manhole 6 and be used for visor 17 in the observation tank, the bottom of lower oval capping 5 is provided with delivery port 27, be disposed with from top to bottom the ANTHRACITE FILTER MEDIA layer in the tank body, the glauconite filter material layer, the magnetic iron ore filter material layer, diamond dust filter material layer and quartz sand filter media layer, sewage enters tank body from water inlet 3, discharges from delivery port 27 after each filter material layer of flowing through filters.
Wherein, the particle diameter of the ANTHRACITE FILTER MEDIA in the ANTHRACITE FILTER MEDIA layer is 1.2-1.6mm; The anthracite rough has good adsorption capacity, large (〉 50% of porosity), the higher ability of deoiling is arranged, because of light weight, required back washing strength is lower, can save a large amount of backwash water yields and electric energy.
The particle diameter of the glauconite filtrate in the glauconite filter material layer is 0.8-1.2mm, and glauconite filtrate adsorption area is large, and retaining power is strong, and is effective to oily waste water treatment.
The particle diameter of the magnetic iron ore filtrate in the magnetic iron ore filter material layer is 0.6-0.8mm, and magnetic iron ore filtrate filtrate is obvious to deironing, demanganization, defluorination effect.
The particle diameter of the diamond dust filtrate in the diamond dust filter material layer is 0.4-0.6mm, and the diamond dust filtrate can effectively be removed suspension and other impurity in the water.
The particle diameter of the quartz sand filter media in the quartz sand filter media layer is 4-8mm, and quartz sand filter media can effectively be removed the suspension in the water, and the pollutants such as the colloid in the water, iron, organic matter, agricultural chemicals, manganese, bacterium, virus are had obvious removal effect.
Top in the tank body is provided with import cyclone 19, and import cyclone 19 comprises the drum 28 on top and the cone cylinder 29 of bottom, the inner roof wall fixed seal connection of the upper end of drum 28 and upper oval capping 18; Be provided with several apopores 30 on the sidewall of cylinder 28.Connection is provided with screen casing water-locator 41 on the apopore 30, and upper screen casing water-locator 41 comprises the water distributor 42 that is connected on each apopore 30, the cross section of the water distribution area covering tank body after several water distributor 42 entire combination.
Water inlet 3 is communicated with by the port that arranges on water pipe 13 and cone cylinder 29 sidewalls, and the link of the port on water pipe 13 and cone 29 sidewall is square tube 23.The bottom port of cone cylinder 29 is communicated with backwash delivery port 2 by water pipe 14.Cylindrical shell 16 is stretched out in the outer end of water pipe 13, and water pipe 13 is provided with stiffening ring 24 with the junction of cylindrical shell 16, is provided with loose flange 25 on the external port of water pipe 13.Cylindrical shell 16 is stretched out in the outer end of water pipe 14, and water pipe 14 is provided with stiffening ring 4 with the junction of cylindrical shell 16, is provided with loose flange 26 on the external port of water pipe 14.In the present embodiment, be provided with two manholes 6 on the sidewall of cylindrical shell 16, be provided with outwardly directed body on the manhole 6, the junction of this body and manhole 6 is provided with stiffening ring 13, the external port of manhole 6 is provided with flange 7 and blind flange 8, and it is connected by bolt 9, nut 10, plain washer 11 and single coil spring lock washer light type 12.
Bottom in the tank body is provided with backwash liquid distributor 31, backwash liquid distributor 31 comprises the arm 33 on horizontal supervisor 32 and several are vertically, be connected between supervisor 32 and the arm 33, supervisor 32 is communicated with delivery port 27 by water pipe 34, wherein, arm 33 comprises outer tube 39 and inner tube 40, the external diameter of inner tube 40 is less than the internal diameter of outer tube 39, inner tube 40 is sleeved in the outer tube 39, be provided with several through holes 35 on the tube wall of inner tube 40 and outer tube 39 or be provided with ring screw shape tank 35 along its length direction, ring screw shape tank 35 has the effect of resistance sand infiltration, be filled with stainless steel cloth 40 in the gap between outer tube 39 and the inner tube 40, this stainless steel cloth can effectively prevent through hole 35 blocked or leakage material.Cross section in the water distribution area covering tank body of several arm 33.In the present embodiment, outer tube 39 adopts diameter 133mm seamless pipe (uniform diameter is 5mm through hole 35), and inner tube 40 adopts the seamless pipe (uniform diameter is 5mm through hole 35) of diameter 108mm, and both therebetween stainless steel cloths 40 avoid occurring leaking the material phenomenon.Backwashing water avoids current to concentrate in the inner uniform feedwater of filler, and uniform U-shaped tubular construction is adopted in backwashing water outlet in top, and each position in the assurance cylindrical shell sectional area is floating oil fully.
Be provided with hydraulic cyclone Scrubbing apparatus 43 on the backwash liquid distributor 31, hydraulic cyclone Scrubbing apparatus 43 produces high-speed rotational by the band setting-out and cleans filtrate in these parts.Hydraulic cyclone Scrubbing apparatus 43 comprises supervisor 44 and the some layers of cloth water-bound 45 that are connected, supervisor 44 is communicated with installation with described backwash liquid distributor, supervisor 44 is provided with some layers of cloth water-bound 45 along its short transverse, and every layer of cloth water-bound 45 comprises with radial equally distributed several water distributing plates 46.
Be provided with first on the position of upper oval capping 18 corresponding to drum 28 ends and receive oilhole 37, upper oval capping 18 is received oilhole 38 corresponding to being provided with second on the position outside drum 28 ends.The first receipts oilhole 37 and second is received on the oilhole 38 and is provided with collection tube 21 and flange 22 thereof.Also be provided with two hangers 20 in the upper oval capping 18.The bottom of lower oval capping 5 also is provided with drain 36, and drain 36 is provided with collection tube 21 and flange 22 thereof.
The utility model adopts the multimedium homogeneous filtering material, and filter effect is stable good, and sewage disposal is abundant.By being set, import cyclone 19 so that intake uniformly, avoid current to concentrate.Even seepage flow in the effluent adopting sectional area, Stability Analysis of Structures is avoided Lou material phenomenon.Internal part adopts stainless steel, long service life.The backwashing water feedwater is uniform, guarantees that filtrate cleans fully everywhere.
During filtration, backwash delivery port 2 is closed, and sewage enters import cyclone 19 through water inlet 3 and water pipeline, enter tank body by apopore 30 again, the filtering layer that the filtrate of the different gradation of flowing through forms, suspended solid and sump oil in the sewage are tackled step by step by filtering layer, and water is discharged from delivery port 27 after the filter.In filtration cycle, removed suspension and oil rest on the filter bed, and filtration resistance is increased, and cause flow and the deteriorating water quality of the rear water outlet of filter, and then filter tank enters counter-flushing process, makes media regeneration.By adopting the multimedium filtrate, sewage from top to bottom evenly passes through various filtrates, successively filters, and wastewater treatment efficiency is desirable.From bottom to top evenly pass various filtering layers during backwash, by adverse current and dosing effect, fully clean filtrate, during anti-the cleaning, water inlet 3 is closed, and backwashing water enters tank body by delivery port 27, after progressively upwards washing, flushing water enters import cyclone 19 by apopore 30, is discharged by backwash delivery port 2 again.
Internals of the present utility model all adopts stainless steel.Import cyclone 19 parts guarantee the uniform feedwater of water outlet and backwashing water in filter material layer.Structure adopts the structure of double-layer stainless steel seamless pipe therebetween stainless steel cloth, can uniformly feed water, can avoid again Lou material phenomenon.In addition, structure adopts flange to connect, and it is convenient to change.
The filtration mechanism of the utility model filter be oil and the SS in the water in the filtering layer of different voidages, variable grain particle diameter and different characterization of adsorptions, carry out Contact-sorption, mechanical picker except and migration etc. be blocked.The anthracite light filter material is adopted on the filter upper strata, and lower floor adopts the heavy filtrates such as diamond dust, magnetic iron ore, quartz sand, glauconite.Water flows through the ANTHRACITE FILTER MEDIA filtering layer from top to bottom during filtration, and part bulky grain suspension and oil are blocked, and flows through the filtrates such as diamond dust, magnetic iron ore, quartz sand, glauconite again and removes most of small granular suspended matters.Unique lightness sensation in the upper and heaviness in the lower type double filtering structure of filtering layer, the hydrous water backwash process can be that filtrate keeps good hierarchical nature, can guarantee again the backwash and regeneration of filtrate, reaches good treatment effect.Coming the water oil-containing at 20mg/L, suspension can reach oil content≤5mg/L, suspended solids content≤3mg/L, the requirement of solid suspended particle diameter≤3 through treated water matter in the 30mg/L situation.

Claims (9)

1. the oil field produced water filter of multimedium, it is characterized in that, this filter comprises tank body, be provided with water inlet on the sidewall on tank body top, the bottom is provided with delivery port, be disposed with from top to bottom ANTHRACITE FILTER MEDIA layer, glauconite filter material layer, magnetic iron ore filter material layer, diamond dust filter material layer and quartz sand filter media layer in the tank body, sewage enters tank body from water inlet, discharges from delivery port after each filter material layer of flowing through filters.
2. the oil field produced water filter of multimedium as claimed in claim 1, it is characterized in that, the particle diameter of the ANTHRACITE FILTER MEDIA in the described ANTHRACITE FILTER MEDIA layer is 1.2-1.6mm, the particle diameter of the glauconite filtrate in the described glauconite filter material layer is 0.8-1.2mm, the particle diameter of the magnetic iron ore filtrate in the described magnetic iron ore filter material layer is 0.6-0.8mm, the particle diameter of the diamond dust filtrate in the described diamond dust filter material layer is 0.4-0.6mm, and the particle diameter of the quartz sand filter media in the described quartz sand filter media layer is 4-8mm.
3. the oil field produced water filter of multimedium as claimed in claim 1, it is characterized in that, top in the described tank body is provided with the import cyclone, and this import cyclone comprises the drum on top and the cone cylinder of bottom, the inner roof wall fixed seal connection of the upper end of drum and described tank body; Be provided with several apopores on the sidewall of cylinder, described water inlet is communicated with by the port that arranges on water pipe and the cone cylinder sidewall, and the bottom port of cone tin is communicated with the backwash delivery port by water pipe.
4. the oil field produced water filter of multimedium as claimed in claim 3, it is characterized in that, be communicated with on the described apopore and be provided with the screen casing water-locator, should comprise the water distributor that is connected on each described apopore, the cross section of the described tank body of water distribution area covering after several water distributor entire combination by upper screen casing water-locator.
5. the oil field produced water filter of multimedium as claimed in claim 1, it is characterized in that, bottom in the described tank body is provided with the backwash liquid distributor, this backwash liquid distributor comprises the arm on horizontal supervisor and several are vertically, be connected between this supervisor and the arm, supervisor is communicated with described delivery port by water pipe, is covered with the ring screw shape tank that runs through on the tube wall of arm, the cross section in the described tank body of water distribution area covering of several arm.
6. the oil field produced water filter of multimedium as claimed in claim 5, it is characterized in that, be provided with the hydraulic cyclone Scrubbing apparatus on the described backwash liquid distributor, this hydraulic cyclone Scrubbing apparatus comprises supervisor and the some layers of cloth water-bound that are connected, supervisor is communicated with installation with described backwash liquid distributor, supervisor is provided with some layers of cloth water-bound along its short transverse, and every layer of cloth water-bound comprises with radial equally distributed several water distributing plates.
7. the oil field produced water filter of multimedium as claimed in claim 1 is characterized in that, is provided with manhole on the sidewall of described tank body and is used for the interior visor of observation tank.
8. the oil field produced water filter of multimedium as claimed in claim 1 is characterized in that, the bottom of described tank body is provided with relieving device.
9. the oil field produced water filter of multimedium as claimed in claim 1, it is characterized in that, be provided with first on the position of the upper end of described tank body corresponding to described drum end and receive oilhole, oilhole is received corresponding to being provided with second on the position outside the described drum end in the upper end of described tank body.
CN201220429301.2U 2012-08-28 2012-08-28 Multi-medium oilfield produced water filter Expired - Lifetime CN202762152U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201220429301.2U CN202762152U (en) 2012-08-28 2012-08-28 Multi-medium oilfield produced water filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201220429301.2U CN202762152U (en) 2012-08-28 2012-08-28 Multi-medium oilfield produced water filter

Publications (1)

Publication Number Publication Date
CN202762152U true CN202762152U (en) 2013-03-06

Family

ID=47768757

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201220429301.2U Expired - Lifetime CN202762152U (en) 2012-08-28 2012-08-28 Multi-medium oilfield produced water filter

Country Status (1)

Country Link
CN (1) CN202762152U (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104451062A (en) * 2014-11-12 2015-03-25 合肥市瑞宏重型机械有限公司 Device for filtering water used for casting and quenching process
CN106310749A (en) * 2015-06-17 2017-01-11 江苏开能华宇环保设备有限公司 Eight-hole mushroom head flange type water distributor
CN106310742A (en) * 2015-06-15 2017-01-11 江苏沃尔特环保有限公司 Cyclone face water distribution type multi-medium filter
CN106630002A (en) * 2017-02-24 2017-05-10 湖北君集水处理有限公司 Cyclone separator with straight pipe swirl water inlet structure
WO2017132854A1 (en) * 2016-02-03 2017-08-10 Honeywell International Inc. Water filter cartridges and methods of filtering water using the same
CN107899303A (en) * 2015-08-03 2018-04-13 张琴 A kind of bacteriostasis antibiosis ceramic element and preparation method thereof
CN108392854A (en) * 2018-03-16 2018-08-14 延长油田股份有限公司 A kind of filter with multi-layer filter material
CN110302567A (en) * 2019-07-11 2019-10-08 刘建恒 A kind of high efficiency and multi-function fine filtering device
CN112110561A (en) * 2019-06-20 2020-12-22 中国石油天然气股份有限公司 Integrated treatment system and treatment method for flushing flowback liquid
CN112520845A (en) * 2020-12-22 2021-03-19 中国煤矿机械装备有限责任公司 Filler biofilm culturing device and biofilm culturing method by using filter-leaching method
CN112587970A (en) * 2020-12-30 2021-04-02 新兴铸管股份有限公司 Sewage filter and sewage station filtration system

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104451062A (en) * 2014-11-12 2015-03-25 合肥市瑞宏重型机械有限公司 Device for filtering water used for casting and quenching process
CN106310742A (en) * 2015-06-15 2017-01-11 江苏沃尔特环保有限公司 Cyclone face water distribution type multi-medium filter
CN106310742B (en) * 2015-06-15 2018-08-10 江苏沃尔特环保有限公司 Eddy flow face cloth water type more medium filter
CN106310749A (en) * 2015-06-17 2017-01-11 江苏开能华宇环保设备有限公司 Eight-hole mushroom head flange type water distributor
CN107899303A (en) * 2015-08-03 2018-04-13 张琴 A kind of bacteriostasis antibiosis ceramic element and preparation method thereof
WO2017132854A1 (en) * 2016-02-03 2017-08-10 Honeywell International Inc. Water filter cartridges and methods of filtering water using the same
CN106630002A (en) * 2017-02-24 2017-05-10 湖北君集水处理有限公司 Cyclone separator with straight pipe swirl water inlet structure
CN108392854A (en) * 2018-03-16 2018-08-14 延长油田股份有限公司 A kind of filter with multi-layer filter material
CN112110561A (en) * 2019-06-20 2020-12-22 中国石油天然气股份有限公司 Integrated treatment system and treatment method for flushing flowback liquid
CN110302567A (en) * 2019-07-11 2019-10-08 刘建恒 A kind of high efficiency and multi-function fine filtering device
CN112520845A (en) * 2020-12-22 2021-03-19 中国煤矿机械装备有限责任公司 Filler biofilm culturing device and biofilm culturing method by using filter-leaching method
CN112587970A (en) * 2020-12-30 2021-04-02 新兴铸管股份有限公司 Sewage filter and sewage station filtration system

Similar Documents

Publication Publication Date Title
CN202762152U (en) Multi-medium oilfield produced water filter
CN203741169U (en) Flocculation stirring tank with filtering function
CN102010017B (en) Water alga vacuum separating device
CN209742018U (en) rainwater collecting and utilizing device with multiple filtering and purifying functions
CN214158830U (en) Multi-medium filtering device for sewage treatment
CN107253772B (en) Waste water treatment device connected to drainage end of main waste water pipe of residential building
CN206355715U (en) A kind of anti-blocking filtering pond of multi-filtering
CN104609600B (en) Automatic washing type industrial wastewater purification device
CN206526559U (en) A kind of up flow type self-cleaning filter
CN202555042U (en) External pressure type active carbon fiber filter
CN204550264U (en) A kind of automatic flushing industrial waste water purifying device
CN208814776U (en) It is a kind of for cleaning the collection filter device of Wastewater from Bleaching in Paper Making technique
KR101560158B1 (en) First flush stormwater treatment apparatus with back washing module
CN208711231U (en) A kind of more medium filter
CN207562420U (en) A kind of turnover sand filter of filter layer
CN201211446Y (en) Water treatment device with continuous filtration and continuous backflushing
CN102091450A (en) Automatic pressure flush type rapid filter
CN113599908B (en) Sewage filter
CN206858382U (en) A kind of chemical effluent purifying processing unit
CN210229257U (en) Solid-liquid separation device for well drilling wastewater treatment
CN207187302U (en) A kind of effluent filter
CN203678121U (en) Industrial wastewater pretreatment device
CN202185193U (en) Respiratory type multi-medium filter
CN207307302U (en) A kind of chemical engineering sewage discharge filtration apparatus
CN207286784U (en) A kind of double case gravity valveless filters

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: 20130306