CN105457384B - A kind of oil field resistance to erosion filter - Google Patents
A kind of oil field resistance to erosion filter Download PDFInfo
- Publication number
- CN105457384B CN105457384B CN201510850479.2A CN201510850479A CN105457384B CN 105457384 B CN105457384 B CN 105457384B CN 201510850479 A CN201510850479 A CN 201510850479A CN 105457384 B CN105457384 B CN 105457384B
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- Prior art keywords
- filter
- filter screen
- housing
- steel
- oil field
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- 230000003628 erosive effect Effects 0.000 title claims abstract description 17
- 239000000706 filtrate Substances 0.000 claims abstract description 31
- 238000012856 packing Methods 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 230000003028 elevating effect Effects 0.000 claims abstract description 10
- 238000004140 cleaning Methods 0.000 claims abstract description 8
- 238000005536 corrosion prevention Methods 0.000 claims abstract description 8
- 230000008676 import Effects 0.000 claims abstract description 8
- 244000144985 peep Species 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 53
- 239000010959 steel Substances 0.000 claims description 53
- 238000010438 heat treatment Methods 0.000 claims description 31
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims description 13
- 239000010935 stainless steel Substances 0.000 claims description 13
- 108010038629 Molybdoferredoxin Proteins 0.000 claims description 12
- HBELESVMOSDEOV-UHFFFAOYSA-N [Fe].[Mo] Chemical compound [Fe].[Mo] HBELESVMOSDEOV-UHFFFAOYSA-N 0.000 claims description 12
- 238000005266 casting Methods 0.000 claims description 12
- 238000005520 cutting process Methods 0.000 claims description 12
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- 238000010791 quenching Methods 0.000 claims description 12
- 230000000171 quenching effect Effects 0.000 claims description 12
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 12
- 150000002910 rare earth metals Chemical class 0.000 claims description 12
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 229910052804 chromium Inorganic materials 0.000 claims description 10
- 239000011651 chromium Substances 0.000 claims description 10
- 229910052759 nickel Inorganic materials 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 238000005260 corrosion Methods 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 claims description 9
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 8
- 238000005275 alloying Methods 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 229910052750 molybdenum Inorganic materials 0.000 claims description 8
- 239000011733 molybdenum Substances 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 229910052758 niobium Inorganic materials 0.000 claims description 7
- 239000010955 niobium Substances 0.000 claims description 7
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- 239000010936 titanium Substances 0.000 claims description 7
- 229910052720 vanadium Inorganic materials 0.000 claims description 7
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910000604 Ferrochrome Inorganic materials 0.000 claims description 6
- 229910000616 Ferromanganese Inorganic materials 0.000 claims description 6
- 229910000863 Ferronickel Inorganic materials 0.000 claims description 6
- 229910000592 Ferroniobium Inorganic materials 0.000 claims description 6
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 6
- 229910000805 Pig iron Inorganic materials 0.000 claims description 6
- 238000003723 Smelting Methods 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 230000003750 conditioning effect Effects 0.000 claims description 6
- 238000005242 forging Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 6
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 claims description 6
- ZFGFKQDDQUAJQP-UHFFFAOYSA-N iron niobium Chemical compound [Fe].[Fe].[Nb] ZFGFKQDDQUAJQP-UHFFFAOYSA-N 0.000 claims description 6
- PNXOJQQRXBVKEX-UHFFFAOYSA-N iron vanadium Chemical compound [V].[Fe] PNXOJQQRXBVKEX-UHFFFAOYSA-N 0.000 claims description 6
- 229910052748 manganese Inorganic materials 0.000 claims description 6
- 239000011572 manganese Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 239000004809 Teflon Substances 0.000 claims description 5
- 229920006362 Teflon® Polymers 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 description 8
- 239000000835 fiber Substances 0.000 description 6
- 241000758789 Juglans Species 0.000 description 5
- 235000009496 Juglans regia Nutrition 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 235000020234 walnut Nutrition 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000006004 Quartz sand Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000686 essence Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002332 oil field water Substances 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 206010067868 Skin mass Diseases 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- UFGZSIPAQKLCGR-UHFFFAOYSA-N chromium carbide Chemical compound [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-UHFFFAOYSA-N 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003678 scratch resistant effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229910003470 tongbaite Inorganic materials 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/10—Filter screens essentially made of metal
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2221/00—Applications of separation devices
- B01D2221/04—Separation devices for treating liquids from earth drilling, mining
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses a kind of oil field resistance to erosion filter, including housing, main shaft, elevating motor, agitator, side above the housing is provided with filtrate import, opposite side is provided with cleaning water outs, the middle and upper part of housing is provided with a circle annular through groove, and the middle part side of housing is imported and exported provided with filter packing, and opposite side is provided with a peep hole, the centre of the housing upper is provided with a power set, the outer wall of housing is provided with one layer of corrosion prevention film, and the main shaft is provided with a baffle plate, a filter screen is additionally provided with above the baffle plate.By setting a filter screen, impact of the filtrate to baffle plate on the one hand can be reduced, makes elevating motor work more steady, on the other hand filter packing can be made to be more easy to be cleaned, reduce the usage amount of filter packing with the filiform in filter liquor and bulky grain thing.Simultaneously, it is contemplated that the working strength and durability of filter screen, by special filter screen making material, make the adaptability of filter screen stronger.
Description
Technical field
The present invention relates to polishing filter technical field, more particularly to a kind of oil field resistance to erosion filter.
Background technology
The filter of oil field at home water filling at present mainly has quartz filter, walnut shell filter, fibre-ball filtration
Device and a small amount of fiber bundle filter.Wherein quartz filter is a kind of using filter of the quartz sand as filler, although its
The advantages that small with filtration resistance, specific surface area is big, and resistance to acids and bases is strong, and resistance tocrocking is good, but its to sewage disposal precision not
It is high, it is difficult to reach the requirement of water injection in low-permeability oilfield water quality index；Walnut shell filter be using walnut shell as filter medium, due to
This walnut shell as filter medium entered specially treated, so big with surface area, adsorption capacity is strong, and clearance is high
Advantage, but its there is also not high and be difficult to reach water injection in low-permeability oilfield water quality index requirement and ask to sewage disposal precision
Topic；Fiber ball filter is a kind of filter using fiber-ball filter media, and the fiber of this fibrous nodules is by passing through new chemistry
The special fibre silk of formula synthesis is made, and its modification for being mainly characterized by by essence is changed fiber filtering by lipophilic
For hydrophilic, filtrate diameter has the advantages that specific surface area is big, and filtration resistance is small, simultaneously up to tens microns even several microns
Also solve the problems such as filtering accuracy of particulate filter is limited by particle diameter of filter medium.It is the granular filter material mistake such as quartz sand and walnut shell
Filter the renewal product of equipment.
There is following defect for existing fiber ball filter in above-mentioned：In filter filter process, often ignore
Impact of the filtrate to baffle plate, this influences whether the job stability of elevating motor, elevating motor is chronically at vibration
Working condition, elevating motor is caused easily to break down and reduction of service life；When filtering oil-field flooding, usually contain in water
There are various dregs, shape size differs, such as some filiforms, bulky grain thing, when these dregs are transported in filter packing, though
It can so be filtered out by filter packing, but in follow-up cleaning process, be very unlikely to wash, particularly filiform, its meeting and mistake
Filter filler is intertwined, and leads to not separate, at this moment would have to change filter packing and fill in new filter packing again,
This is a kind of larger waste in resource and cost, does not meet the green production standard of national regulation.
The content of the invention
The goal of the invention of the present invention is：For above-mentioned problem, there is provided a kind of oil field resistance to erosion filter, lead to
Cross and a filter screen is set, on the one hand can reduce impact of the filtrate to baffle plate, make elevating motor work more steady, on the other hand may be used
With the filiform in filter liquor and bulky grain thing, make filter packing be more easy to be cleaned, reduce the usage amount of filter packing.Together
When, it is contemplated that the working strength and durability of filter screen, by special filter screen making material, make the adaptability of filter screen stronger.
The technical solution adopted by the present invention is as follows：A kind of oil field resistance to erosion filter, including housing, main shaft, lifting electricity
Motivation, agitator, the side above the housing are provided with filtrate import, and opposite side is provided with cleaning water outs, the middle and upper part of housing
Provided with a circle annular through groove, the middle part side of housing is imported and exported provided with filter packing, and opposite side is provided with a peep hole, the housing
The centre on top is provided with a power set, and the outer wall of housing is provided with one layer of corrosion prevention film, and the main shaft is provided with a baffle plate, the gear
A filter screen is additionally provided with above plate.
Further, the main shaft and the baffle plate are placed in the housing, and the lower section of the baffle plate is provided with filter packing, institute
The lower section for stating filter packing is provided with filtering baffle, and the filtering baffle obtains lower section and is provided with a rotary shaft, the upper end of the rotary shaft
Provided with impeller, rotary shaft passes through the centre of the filtering baffle, and is deep into the filter packing, and the impeller is fixedly mounted
It is deep into the upper end of the rotary shaft and together with rotary shaft in the filter packing, the lower end of the rotary shaft is described in
The lower end of housing is connected with the agitator, the agitator drive connection rotary shaft.
Further, the filter screen is placed in the housing, and the outward flange of filter screen is overlapped on the annular through groove, the ring
A circle sealing plate is additionally provided with shape groove, the sealing plate is tightly connected the annular through groove.
Further, the filter screen is shaped as a round shape convex lens shape, is made up of two or more than two secter pat, filter screen
Center is provided with a through hole, is also evenly distributed with several filter openings on filter screen, the main shaft is placed in the through hole.
When filtrate is entered from filtrate import fashionable, due to the barrier effect of filter screen, the impact of filtrate can be buffered, principle is filter
Net is designed to round shape convex lens shape, can play a part of shunting to filtrate, disperse the impulsive force of filtrate, and then reduces impulsive force
Intensity, while maintain the inlet of filtrate；And the purpose for the sectional type filter screen for being designed to be made up of multiple secter pats by filter screen exists
Installation gap each other be present in, on the one hand, secter pat, that is, be flexibly connected, when filtrate impact is when on secter pat, each sector
Block mutual cooperation cushion impact forces, suction release vibration, on the other hand, be for convenience filter screen installation and removal, manual operation
Simply, it is workable；Further, it is contemplated that filter screen pick and place with blowdown problem, in the housing top be provided with one circle annular through groove,
Filter screen solves inside and outside housing to enter to go wrong by annular through groove, that is, when needing to install filter screen, by annular through groove by secter pat
It is sent into housing and is combined into complete filter screen, then seals annular through groove with sealing plate, prevent Filtrate leakage, it is necessary to pull down filter
During net, sealing plate is removed, takes screen pack apart, then secter pat is taken out to cleaning one by one, the slag that strainer filtering can be thus gone out
Dregs excludes housing in time, and process is simple, easy to operate.
Further, the thickness of the corrosion prevention film is 0.5-1mm, is sprayed into using teflon coating, the polytetrafluoro
Ethene coating is evenly coated on the outer wall of the housing, polytetrafluoroethylene (PTFE) have the characteristics that it is excellent corrosion-resistant, wear-resisting, can
It will not be corroded with further protective housing, while corrosion prevention film is wear-resisting, scratch-resistant, it is durable in use, it is a kind of guarantor of very economical
Cuticula.
Further, the lower end side of the housing is additionally provided with a filtrate (liquid, and the port of export connection of the filtrate (liquid is outer
Portion's equipment.
Further, the thickness of the filter screen is 2-7mm, and the aperture of the filter opening is 2-8mm.
Further, the filter screen is made of special stainless steel, and the component of the special stainless steel is count by weight percentage
（Following % represents percentage by weight）For：Carbon is 0.13% ~ 0.18%, and nickel is 3% ~ 4%, and chromium is 11% ~ 15%, and manganese is 7% ~ 8.5%,
Niobium is 0.63% ~ 0.76%, and vanadium is 0.13% ~ 0.32%, and molybdenum is 1.5% ~ 2.1%, and titanium is 2% ~ 2.8%, and rare earth is 0.33% ~ 0.66%,
The total amount of p and ses is no more than 0.035%, and surplus is iron and its inevitable impurity.
Further, the preparation technology of the filter screen includes following steps：
Step 1, with medium-frequency induction furnace melting, metal charge addition sequence be the pig iron, steel scrap, molybdenum-iron, ferronickel, ferromanganese,
Ferrochrome, when smelting temperature reaches 1610 DEG C, carry out deoxidation, then add deoxidier and carry out secondary deoxidation, add afterwards molybdenum-iron,
Vanadium iron, ferrotianium and ferro-niobium, at the end of melting is fast, rare earth is added, the alloying component in steel is reached pre-provisioning request, then finely tunes steel
Chemical composition in liquid, moulding by casting, then ingot conditioning surface dregs；
Step 2, the method being machined into remove the casting flaw and oxide skin of surface of steel ingot, and surface polishes smooth flat
It is whole；
Step 3, the steel ingot after being machined is placed in heating furnace, by Heating Steel Ingots to 1100 DEG C, heating rate is
90 DEG C/h, under once forging and pressing, steel ingot is forged into the sheet material of required specification；
Step 4, obtained sheet material is cut into the sheet material for conveniently storing and using with the mode of wire cutting, be machined into
Filter screen of the mode by the sheet fabrication after wire cutting into required shape and size, obtained filter screen is then placed in heat-treatment furnace
In, 1060 DEG C are heated to, heating rate is 100 DEG C/h, is incubated 6h, then water quenching to room temperature；
Step 5, the filter screen after water quenching is heated to 870 DEG C, heating rate is 90 DEG C/h, is incubated 5h, and then sky is cooled to
Room temperature.
Because filter screen is directly contacted with oilfield sewage, this requires filter screen to possess more preferable decay resistance, passes through
The filter screen that above-mentioned preparation technology obtains, has excellent corrosion resistance, and principle is：First by changing component on formula
Than and increase component improve the properties of steel；In alloying element, chromium is to determine the corrosion proof essential element of stainless steel, and chromium exists
Solid solution is formed in iron, the electrode potential of solid solution changes with the increase of chromium content in mutation formula, and corrodes then in great-jump-forward
Be obviously reduced, therefore chrome content is no more than 19%, at the same chromium can be formed on the surface of steel and oxygen one layer of densification, stably, it is complete simultaneously
It can effectively prevent the corrosion of steel with the chromium oxide passivation film of collective's strong bonded of iron, make the inoxidizability of steel significantly increase
By force；Vanadium, titanium and niobium trace element can form stable carbide in steel, can effectively avoid being settled out chromium carbide on crystal boundary
Cause the intercrystalline corrosion of stainless steel；In order to improve the acid-proof alkaline of stainless steel, considerable amount of nickel and molybdenum, nickel energy have been added in steel
The electrode potential of stainless steel base is significantly improved, corrosion resistance significantly increases, and resistance to acids and bases improves, but nickel resources are more rare,
It is expensive, should not excessively it add, for nickel content in 8 ~ 11% best results, molybdenum can form stable passivating film in steel, improve steel
The performance of acid and alkali-resistance, improve the ability of steel anti intercrystalline corrosion.These alloying elements are in addition to the corrosion resistance for improving steel, moreover it is possible to carry
The mechanical performances such as Gao Gang intensity, hardness and wearability, what is brought is comprehensive beneficial effect.In preparation technology, filter screen warp
After Overheating Treatment, in mechanical processing process, a large amount of residual stress of residual are eliminated in filter screen, are less prone to out filter screen
The defects of splitting, deforming.
In summary, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：By setting a filter screen, one
Aspect can reduce impact of the filtrate to baffle plate, make elevating motor work more steady, on the other hand and in filter liquor
Filiform and bulky grain thing, make filter packing be more easy to be cleaned, and reduce the usage amount of filter packing.Simultaneously, it is contemplated that filter screen
Working strength and durability, by special filter screen making material, make the adaptability of filter screen stronger.
Brief description of the drawings
Fig. 1 is a kind of oil field resistance to erosion filter structure schematic representation of the present invention.
Fig. 2 is a kind of filter structure schematic diagram of oil field resistance to erosion filter of the present invention.
Marked in figure：1 is housing, and 2 be main shaft, and 3 be elevating motor, and 4 be agitator, and 5 be filtrate import, and 6 be cleaning
Water out, 7 be that filter packing is imported and exported, and 8 be peep hole, and 9 be power set, and 10 be corrosion prevention film, and 11 be baffle plate, and 12 fill out for filtering
Material, 13 be filtering baffle, and 14 be rotary shaft, and 15 be impeller, and 16 be filtrate (liquid, and 17 be filter screen, and 18 be annular through groove, and 19 be filter
Hole, 20 be sealing plate.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order that the object, technical solution and advantage of invention are more clearly understood, below in conjunction with drawings and Examples, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
Embodiment one
As shown in figure 1, a kind of oil field resistance to erosion filter, including housing 1, main shaft 2, elevating motor 3, agitator 4,
The side of the top of housing 1 is provided with filtrate import 5, and opposite side is provided with cleaning water outs 6, and the middle and upper part of housing 1 is provided with a circle
Annular through groove 18, the middle part side of housing 1 are provided with filter packing inlet and outlet 7, and opposite side is provided with a peep hole 8, on the housing 1
The centre in portion is provided with a power set 9, and the outer wall of housing 1 is provided with one layer of corrosion prevention film, and the main shaft 9 is provided with a baffle plate 11, institute
State and a filter screen 17 is additionally provided with above baffle plate；The main shaft 2 and the baffle plate 11 are placed in the housing 1, the baffle plate 11
Lower section is provided with filter packing 12, and the lower section of the filter packing 12 is provided with filtering baffle 13, and the filtering baffle 13 obtains lower section and set
There is a rotary shaft 14, the upper end of the rotary shaft 14 is provided with impeller 15, and rotary shaft 14 passes through the centre of the filtering baffle 13, and
It is deep into the filter packing 12, the impeller 15 is fixedly mounted on the upper end of the rotary shaft 14 and together with rotary shaft 14
It is deep into the filter packing 12, the lower end of the rotary shaft 14 connects through the lower end of the housing 1 with the agitator 4
Connect, the agitator 4 is connected the rotary shaft 14.
As depicted in figs. 1 and 2, the filter screen 17 is placed in the housing 1, and the outward flange of filter screen 17 is overlapped on the annular
On groove 18, a circle sealing plate 20 is additionally provided with the annular through groove 18, the sealing plate 20 is tightly connected the annular through groove
18；The filter screen 17 is shaped as a round shape convex lens shape, is made up of two or more than two secter pat, the center of filter screen 17 is provided with
One through hole, several filter openings 19 is also evenly distributed with filter screen 17, the main shaft 2 is placed in the through hole；The corrosion prevention film 10
Thickness be 0.5-1mm, be sprayed into using teflon coating, the teflon coating is evenly coated at the shell
On the outer wall of body 1；The lower end side of the housing 1 is additionally provided with a filtrate (liquid 16, the port of export connection of the filtrate (liquid 16
External equipment；The thickness of the filter screen is 2-7mm（Optimum thickness is 4mm, naturally it is also possible to selects 2mm or 7mm）, the filter
The aperture in hole is 2-8mm（Optimum aperture is 4mm, according to the composition and size of dregs in actual conditions, can also select 2mm or
Person 8mm）.
When filtrate is entered from filtrate import 5 fashionable, due to the barrier effect of filter screen 17, the impact of filtrate can be buffered, makes filter
The impulsive force of liquid is disperseed, and then reduces the intensity of impulsive force, while maintains the inlet of filtrate；When filtrate impact is on secter pat
When, vibration is released in each secter pat mutual cooperation cushion impact forces, suction；, will by annular through groove 18 when needing to install filter screen 17
Secter pat is sent into housing 1 and is combined into complete filter screen 17, then seals annular through groove 18 with sealing plate 20, prevents filtrate from letting out
Dew, when needing to pull down filter screen 17, removes sealing plate 20, takes screen pack 17 apart, then secter pat is taken out to cleaning one by one, so
The dregs that filter screen 17 can be filtered out exclude housing 1 in time, and process is simple, easy to operate.
In the present embodiment, the filter screen is made of special stainless steel, the component percentage by weight of the special stainless steel
Than calculating（Following % represents percentage by weight）For：Carbon is 0.15%, nickel 3.3%, chromium 13.6%, manganese 8.1%, and niobium is
0.69%, vanadium 0.23%, molybdenum 1.84%, titanium 2.5%, rare earth 0.58%, the total amount of p and ses is no more than 0.035%, surplus
For iron and its inevitable impurity, the preparation technology of the filter screen 17 includes following steps：
Step 1, with medium-frequency induction furnace melting, metal charge addition sequence be the pig iron, steel scrap, molybdenum-iron, ferronickel, ferromanganese,
Ferrochrome, when smelting temperature reaches 1610 DEG C, carry out deoxidation, then add deoxidier and carry out secondary deoxidation, add afterwards molybdenum-iron,
Vanadium iron, ferrotianium and ferro-niobium, at the end of melting is fast, rare earth is added, the alloying component in steel is reached pre-provisioning request, then finely tunes steel
Chemical composition in liquid, moulding by casting, then ingot conditioning surface dregs；
Step 2, the method being machined into remove the casting flaw and oxide skin of surface of steel ingot, and surface polishes smooth flat
It is whole；
Step 3, the steel ingot after being machined is placed in heating furnace, by Heating Steel Ingots to 1100 DEG C, heating rate is
90 DEG C/h, under once forging and pressing, steel ingot is forged into the sheet material of required specification；
Step 4, obtained sheet material is cut into the sheet material for conveniently storing and using with the mode of wire cutting, be machined into
Filter screen 17 of the mode by the sheet fabrication after wire cutting into required shape and size, obtained filter screen 17 is then placed in Re Chu
Manage in stove, be heated to 1060 DEG C, heating rate is 100 DEG C/h, is incubated 6h, then water quenching to room temperature；
Step 5, the filter screen 17 after water quenching is heated to 870 DEG C, heating rate is 90 DEG C/h, is incubated 5h, and then air cooling is but
To room temperature.
Embodiment two
The embodiment is identical with embodiment one, and its difference is, the filter screen is made of special stainless steel, the spy
The component of stainless steel processed is count by weight percentage（Following % represents percentage by weight）For：Carbon is 0.13%, nickel 3%, and chromium is
11%, manganese 7%, niobium is 0.63% ~, vanadium 0.13%, molybdenum 1.5%, titanium 2%, rare earth 0.33%, the total amount of p and ses do not surpass
0.035% is crossed, surplus is iron and its inevitable impurity, and the preparation technology of the filter screen 17 includes following steps：
Step 1, with medium-frequency induction furnace melting, metal charge addition sequence be the pig iron, steel scrap, molybdenum-iron, ferronickel, ferromanganese,
Ferrochrome, when smelting temperature reaches 1610 DEG C, carry out deoxidation, then add deoxidier and carry out secondary deoxidation, add afterwards molybdenum-iron,
Vanadium iron, ferrotianium and ferro-niobium, at the end of melting is fast, rare earth is added, the alloying component in steel is reached pre-provisioning request, then finely tunes steel
Chemical composition in liquid, moulding by casting, then ingot conditioning surface dregs；
Step 2, the method being machined into remove the casting flaw and oxide skin of surface of steel ingot, and surface polishes smooth flat
It is whole；
Step 3, the steel ingot after being machined is placed in heating furnace, by Heating Steel Ingots to 1100 DEG C, heating rate is
90 DEG C/h, under once forging and pressing, steel ingot is forged into the sheet material of required specification；
Step 4, obtained sheet material is cut into the sheet material for conveniently storing and using with the mode of wire cutting, be machined into
Filter screen 17 of the mode by the sheet fabrication after wire cutting into required shape and size, obtained filter screen 17 is then placed in Re Chu
Manage in stove, be heated to 1060 DEG C, heating rate is 100 DEG C/h, is incubated 6h, then water quenching to room temperature；
Step 5, the filter screen 17 after water quenching is heated to 870 DEG C, heating rate is 90 DEG C/h, is incubated 5h, and then air cooling is but
To room temperature.
Embodiment three
The embodiment is identical with embodiment one and embodiment two, and its difference is, the component of the special stainless steel
Count by weight percentage（Following % represents percentage by weight）For：Carbon is 0.18%, nickel 4%, chromium 15%, manganese 8.5%,
Niobium is 0.76%, vanadium 0.32%, molybdenum 2.1%, titanium 2.8%, rare earth 0.66%, and the total amount of p and ses is remaining no more than 0.035%
Measure includes following steps for iron and its inevitable impurity, the preparation technology of the filter screen 17：
Step 1, with medium-frequency induction furnace melting, metal charge addition sequence be the pig iron, steel scrap, molybdenum-iron, ferronickel, ferromanganese,
Ferrochrome, when smelting temperature reaches 1610 DEG C, carry out deoxidation, then add deoxidier and carry out secondary deoxidation, add afterwards molybdenum-iron,
Vanadium iron, ferrotianium and ferro-niobium, at the end of melting is fast, rare earth is added, the alloying component in steel is reached pre-provisioning request, then finely tunes steel
Chemical composition in liquid, moulding by casting, then ingot conditioning surface dregs；
Step 2, the method being machined into remove the casting flaw and oxide skin of surface of steel ingot, and surface polishes smooth flat
It is whole；
Step 3, the steel ingot after being machined is placed in heating furnace, by Heating Steel Ingots to 1100 DEG C, heating rate is
90 DEG C/h, under once forging and pressing, steel ingot is forged into the sheet material of required specification；
Step 4, obtained sheet material is cut into the sheet material for conveniently storing and using with the mode of wire cutting, be machined into
Filter screen 17 of the mode by the sheet fabrication after wire cutting into required shape and size, obtained filter screen 17 is then placed in Re Chu
Manage in stove, be heated to 1060 DEG C, heating rate is 100 DEG C/h, is incubated 6h, then water quenching to room temperature；
Step 5, the filter screen 17 after water quenching is heated to 870 DEG C, heating rate is 90 DEG C/h, is incubated 5h, and then air cooling is but
To room temperature.
Example IV
The embodiment is identical with embodiment one, embodiment two and embodiment three, and its difference is, described special stainless
The component of steel is count by weight percentage（Following % represents percentage by weight）For：Carbon is 0.16%, nickel 3.6%, chromium 14%,
Manganese is 7.8%, niobium 0.70%, vanadium 0.17%, molybdenum 1.8%, titanium 2.7%, rare earth 0.45%, and the total amount of p and ses is no more than
0.035%, surplus is iron and its inevitable impurity, and the preparation technology of the filter screen 17 includes following steps：
Step 1, with medium-frequency induction furnace melting, metal charge addition sequence be the pig iron, steel scrap, molybdenum-iron, ferronickel, ferromanganese,
Ferrochrome, when smelting temperature reaches 1610 DEG C, carry out deoxidation, then add deoxidier and carry out secondary deoxidation, add afterwards molybdenum-iron,
Vanadium iron, ferrotianium and ferro-niobium, at the end of melting is fast, rare earth is added, the alloying component in steel is reached pre-provisioning request, then finely tunes steel
Chemical composition in liquid, moulding by casting, then ingot conditioning surface dregs；
Step 2, the method being machined into remove the casting flaw and oxide skin of surface of steel ingot, and surface polishes smooth flat
It is whole；
Step 3, the steel ingot after being machined is placed in heating furnace, by Heating Steel Ingots to 1100 DEG C, heating rate is
90 DEG C/h, under once forging and pressing, steel ingot is forged into the sheet material of required specification；
Step 4, obtained sheet material is cut into the sheet material for conveniently storing and using with the mode of wire cutting, be machined into
Filter screen 17 of the mode by the sheet fabrication after wire cutting into required shape and size, obtained filter screen 17 is then placed in Re Chu
Manage in stove, be heated to 1060 DEG C, heating rate is 100 DEG C/h, is incubated 6h, then water quenching to room temperature；
Step 5, the filter screen 17 after water quenching is heated to 870 DEG C, heating rate is 90 DEG C/h, is incubated 5h, and then air cooling is but
To room temperature.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (8)
1. a kind of oil field resistance to erosion filter, including housing（1）, main shaft（2）, elevating motor（3）, agitator（4）, it is special
Sign is, the housing（1）The side of top is provided with filtrate import（5）, opposite side is provided with cleaning water outs（6）, housing（1）'s
Middle and upper part is provided with a circle annular through groove（18）, housing（1）Middle part side provided with filter packing import and export（7）, opposite side is provided with
One peep hole（8）, the housing（1）The centre on top is provided with a power set（9）, housing（1）Outer wall be provided with one layer of anti-corrosion
Film, the main shaft (2) are provided with a baffle plate（11）, a filter screen is additionally provided with above the baffle plate（17）, the filter screen is with special
Stainless steel is made, and the component of the special stainless steel is count by weight percentage（Following % represents percentage by weight）For：Carbon is
0.13% ~ 0.18%, nickel be 3% ~ 4%, chromium be 11% ~ 15%, manganese be 7% ~ 8.5%, niobium be 0.63% ~ 0.76%, vanadium be 0.13% ~
0.32%, molybdenum is 1.5% ~ 2.1%, and titanium is 2% ~ 2.8%, and rare earth is 0.33% ~ 0.66%, and the total amount of p and ses is remaining no more than 0.035%
Measure as iron and its inevitable impurity.
2. oil field as claimed in claim 1 resistance to erosion filter, it is characterised in that the main shaft（2）With the baffle plate
（11）It is placed in the housing（1）It is interior, the baffle plate（11）Lower section be provided with filter packing（12）, the filter packing（12）Under
Side is provided with filtering baffle（13）, the filtering baffle（13）Obtain lower section and be provided with a rotary shaft（14）, the rotary shaft（14）It is upper
End is provided with impeller（15）, rotary shaft（14）Through the filtering baffle（13）Centre, and be deep into the filter packing（12）
It is interior, the impeller（15）It is fixedly mounted on the rotary shaft（14）Upper end and and rotary shaft（14）The filtering is deep into together
Filler（12）It is interior, the rotary shaft（14）Lower end pass through the housing（1）Lower end and the agitator（4）Connection, it is described
Agitator（4）Be connected the rotary shaft（14）.
3. oil field as claimed in claim 2 resistance to erosion filter, it is characterised in that the filter screen（17）It is placed in the housing
（1）It is interior, filter screen（17）Outward flange be overlapped on the annular through groove（18）On, the annular through groove（18）It is close that place is additionally provided with a circle
Shrouding（20）, the sealing plate（20）It is tightly connected the annular through groove（18）.
4. oil field as claimed in claim 3 resistance to erosion filter, it is characterised in that the filter screen（17）Be shaped as a circle
Shape convex lens shape, is made up of, filter screen two or more than two secter pat（17）Center be provided with a through hole, filter screen（17）It is upper also uniform
Several filter openings are distributed with（19）, the main shaft（2）It is placed in the through hole.
5. oil field as claimed in claim 4 resistance to erosion filter, it is characterised in that the corrosion prevention film（10）Thickness be
0.5-1mm, it is sprayed into using teflon coating, the teflon coating is evenly coated at the housing（1）'s
On outer wall.
6. oil field as claimed in claim 5 resistance to erosion filter, it is characterised in that the housing（1）Lower end side also
Provided with a filtrate (liquid（16）, the filtrate (liquid（16）The port of export connection external equipment.
7. the oil field resistance to erosion filter as described in one of claim 1-6, it is characterised in that the thickness of the filter screen is 2-
7mm, the aperture of the filter opening is 2-8mm.
8. oil field as claimed in claim 7 resistance to erosion filter, it is characterised in that the filter screen（17）Preparation technology bag
Include following steps：
Step 1, with medium-frequency induction furnace melting, metal charge addition sequence is the pig iron, steel scrap, molybdenum-iron, ferronickel, ferromanganese, ferrochrome,
When smelting temperature reaches 1610 DEG C, carry out deoxidation, then add deoxidier and carry out secondary deoxidation, add afterwards molybdenum-iron, vanadium iron,
Ferrotianium and ferro-niobium, at the end of melting is fast, rare earth is added, the alloying component in steel is reached pre-provisioning request, then finely tuned in molten steel
Chemical composition, moulding by casting, then ingot conditioning surface dregs；
Step 2, the method being machined into remove the casting flaw and oxide skin of surface of steel ingot, and surface polishes smooth smooth；
Step 3, the steel ingot after being machined is placed in heating furnace, by Heating Steel Ingots to 1100 DEG C, heating rate is 90 DEG C/
H, under once forging and pressing, steel ingot is forged into the sheet material of required specification；
Step 4, obtained sheet material is cut into the sheet material for conveniently storing and using, the side being machined into the mode of wire cutting
Filter screen of the formula by the sheet fabrication after wire cutting into required shape and size（17）, the filter screen that then will obtain（17）It is placed in Re Chu
Manage in stove, be heated to 1060 DEG C, heating rate is 100 DEG C/h, is incubated 6h, then water quenching to room temperature；
Step 5, by the filter screen after water quenching（17）870 DEG C are heated to, heating rate is 90 DEG C/h, is incubated 5h, and then sky is cooled to
Room temperature.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510850479.2A CN105457384B (en) | 2015-11-30 | 2015-11-30 | A kind of oil field resistance to erosion filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510850479.2A CN105457384B (en) | 2015-11-30 | 2015-11-30 | A kind of oil field resistance to erosion filter |
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| CN105457384A CN105457384A (en) | 2016-04-06 |
| CN105457384B true CN105457384B (en) | 2017-12-05 |
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| CN110624310B (en) * | 2019-11-25 | 2020-03-17 | 潍坊市工程技师学院 | Mechanical filter |
| CN113444897A (en) * | 2021-07-06 | 2021-09-28 | 黄晓红 | Liquid caustic soda decomposition device of high-grade misch metal concentrate |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4029263B2 (en) * | 2001-10-19 | 2008-01-09 | 株式会社石垣 | Combined microfiltration method and filtration device |
| CN200970494Y (en) * | 2005-11-16 | 2007-11-07 | 周福元 | Tamponade type fiber ball filter |
| JP5190529B2 (en) * | 2006-04-21 | 2013-04-24 | 前澤工業株式会社 | Wastewater treatment equipment |
| CN101307415A (en) * | 2008-07-14 | 2008-11-19 | 四川大学 | Austenitic stainless steel with excellent abrasive resistance in whole body |
| CN202555026U (en) * | 2012-04-10 | 2012-11-28 | 孙正甫 | Fiber ball filter |
| CN203564863U (en) * | 2013-06-04 | 2014-04-30 | 北京市神力达环保科技有限公司 | Fiber filter |
| CN203564830U (en) * | 2013-11-11 | 2014-04-30 | 任虎 | Top squeeze type water injection filtering device for oil production wells |
| CN104069680A (en) * | 2014-07-18 | 2014-10-01 | 北京东方润泽生态科技股份有限公司 | Novel sand and rock filter |
| CN104190154B (en) * | 2014-08-28 | 2015-12-16 | 高希义 | High accuracy cyclonic separation filter |
| CN204395551U (en) * | 2015-01-20 | 2015-06-17 | 大庆惠博普石油机械设备制造有限公司 | Novel more medium filter |
| CN104941270A (en) * | 2015-06-10 | 2015-09-30 | 合众高科(北京）环境技术有限公司 | Fiber ball filter without dynamic seal |
| CN205199115U (en) * | 2015-11-30 | 2016-05-04 | 成都德善能科技有限公司 | Oil field is with resistant filter that erodees |
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