CN104560094A - Support structure of conical-bottom tank for oil sand treatment and construction method - Google Patents
Support structure of conical-bottom tank for oil sand treatment and construction method Download PDFInfo
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- CN104560094A CN104560094A CN201310520596.3A CN201310520596A CN104560094A CN 104560094 A CN104560094 A CN 104560094A CN 201310520596 A CN201310520596 A CN 201310520596A CN 104560094 A CN104560094 A CN 104560094A
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- pillar
- outer ring
- ring pillar
- bottom tank
- conical bottom
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- 239000003027 oil sand Substances 0.000 title claims abstract description 28
- 238000010276 construction Methods 0.000 title claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 58
- 229910052742 iron Inorganic materials 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 27
- 230000008569 process Effects 0.000 claims description 25
- 239000003351 stiffener Substances 0.000 claims description 20
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- KNVAYBMMCPLDOZ-UHFFFAOYSA-N propan-2-yl 12-hydroxyoctadecanoate Chemical compound CCCCCCC(O)CCCCCCCCCCC(=O)OC(C)C KNVAYBMMCPLDOZ-UHFFFAOYSA-N 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 abstract 2
- 239000004568 cement Substances 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 3
- 235000019198 oils Nutrition 0.000 description 3
- 238000010796 Steam-assisted gravity drainage Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 235000019476 oil-water mixture Nutrition 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 241000772415 Neovison vison Species 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000013379 molasses Nutrition 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/005—Waste disposal systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Fluid Mechanics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Joining Of Building Structures In Genera (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention relates to a support structure of a conical-bottom tank for oil sand treatment and a construction method, belonging to the technical field of oil and gas resource development. Outer-ring pillars and inner-ring pillars are positioned on a concentric circle, and the outer-ring pillars and the inner-ring pillars are uniformly arranged along the circumferential direction; the outer-ring pillars are radially arranged on a circle in which the inner-ring pillars are positioned, and the top parts of the outer-ring pillars and inner-ring pillars are welded with pillar top reinforcing plates; I-steel cant beams are welded on the pillar top reinforcing plates; the number of the outer-ring pillars is eight, and the number of the inner-ring pillars is four; the outer-ring pillars and inner-ring pillars are cylinders formed by rolling steel plates Q235; the outer diameter of each cylinder is 500mm, and the thickness of each steel plate is 16mm; pull rods are arranged between adjacent outer-ring pillars, and the adjacent outer-ring pillars are connected by the pull rods; expansion joints are arranged on the pull rods to be used for adjusting the lengths of the pull rods; the bottom parts of the outer-ring pillars and inner-ring pillars are welded with pillar bottom plates; the pillar bottom plates are fixedly connected with a cement foundation through bolts. According to the invention, the safety of the conical-bottom tank can be improved.
Description
Technical field
The present invention relates to a kind of braced structures and construction method of oil-sand process conical bottom tank, belong to petrol resources exploitation technical field.
Background technology
Oil-sand (Oil Sand) is also known as " Tar sands ", " heavy oil sand " or " sand asphalt ".Outward appearance is like black molasses, and its exploitation method and conventional petroleum are exploited completely different.Briefly, oil-sand exploitation is " excavation " oil, instead of " extraction " oil.Exposed or the sandstone of heavy residual oil-impregnation of near surface, asphalt-base crude oil loses the product after light components in migration process.Because present stage is to the attention of environmental protection, outdoor oil-sand exploitation is slowly eliminated.Present stage mainly adopts SAGD technology (Steam Assisted Gravity Drainage), by injecting vapours by mink cell focus fusings such as oil-sand medium pitch in oil-sand mineral reserve, then come in the liquid pumping after fusing by electric submersible pump, by three phase separator, the liquid that pumping comes is separated.Wherein, the oil water mixture needs such as the silt separated focus on to reduce the pollution to environment after collecting.In order to make full use of gravity fractionation, inventors herein propose a kind of method adopting conical bottom tank to collect and precipitate the oil water mixtures such as silt.Because conical bottom tank is different from traditional flat oil tank, can not directly place on the ground, need to support, also need to make the cone end far from ground one segment distance to meet subsequent treatment process requirement simultaneously.
Mainly there is following problem and challenge in conical bottom tank: (1), conical bottom tank volume are larger in support process, generally kilostere can be reached, make conical bottom tank braced structures need to bear larger load, braced structures generation strength failure may be caused.(2), because conical bottom tank is a kind of membrane structure, have and bear even hydraulic pressure ability preferably, and lacking the ability of bearing concentrated load, this makes conical bottom tank bore the end and braced structures contact position place easily occurs that larger stress is concentrated, and may cause cone base plate generation strength failure.What above-mentioned reason was serious limits the application of conical bottom tank in oil-sand recovery process.Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of braced structures and construction method of oil-sand process conical bottom tank.
A braced structures for oil-sand process conical bottom tank, comprises outer ring pillar, inner ring pillar, i iron cant beam; It is characterized in that: outer ring pillar and inner ring pillar are on concentric circles, outer ring pillar and inner ring pillar are all along the circumferential direction evenly arranged; The radial direction of inner ring pillar place circle is provided with outer ring pillar, and the top of outer ring pillar and inner ring pillar is all welded with capital stiffener, capital stiffener is welded with i iron cant beam;
Outer ring pillar radical is 8, inner ring pillar radical is 4, and outer ring pillar and inner ring pillar are the cylinder that Q235 steel plate rolls, external diameter 500mm, steel plate thickness 16mm;
Adjacent outer ring is propped up intercolumniation and is provided with pull bar, and adjacent outer ring pillar is connected by pull bar, and pull bar is provided with expansion coupling, for adjusting pull bar length;
The bottom of outer ring pillar and inner ring pillar is all welded with mat, and mat and concrete pedestal are bolted to connection.
The braced structures of oil-sand process conical bottom tank and a construction method, comprise step as follows:
(1), foundation construction: ground region laying depth is the rubble of 30cm at basic place, levelling; Adopt C30 concrete casting to build up basis, the length, width and height on basis are 1800 × 1800 × 600mm; The bolt of pre-buried 8 φ 60 × 200mm on each basis, bolt position is corresponding with prepared screw-bolt hole on mat;
(2), pillar is installed: according to actual process requirement, 8, outer ring pillar height is 10m, inner ring 4 pillar height are 8.27m; Pillar one end level, one end cuts into into the inclined-plane of 60 ° of slope angles in addition; Mat length and width are taken as 1200mm respectively, and wall thickness is taken as 50mm; Mat is welded on pillar horizontal ends, pillar center and mat center superposition; Post top portion is provided with capital stiffener, is ellipse, and long axis length is 900mm, minor axis length is 630mm, thickness is 20mm, is welded on by stiffener on the inclined-plane of the pillar other end, stiffener center and inclined-plane center superposition; Pillar is arranged on concrete pedestal, utilizes bolt to fix, install Internal and external cycle pillar successively;
(3), pull bar is installed: otic placode is welded to outer ring pillar 1/2 height and position place and posts bottom position, utilizes pull bar to be coupled together by otic placode; Pull bar diameter is 30mm, and grade of steel is Q235, and is strained by pull bar by the tight knot on adjustment pull bar;
(4), i iron cant beam and flange beam stand install: be placed into by i iron cant beam on the stiffener of Internal and external cycle adjacent struts, and firm welding; At Internal and external cycle pillar 2/3 height and position place welding H-bar support, and by the i iron cant beam bottom welding at top between flange beam stand and Internal and external cycle adjacent struts;
(5), conical bottom tank is installed: be lifted in braced structures by conical bottom tank, and adjustment conical bottom tank lifts angle in time, guarantees that the cone base plate of conical bottom tank contacts completely with i iron cant beam, cone base plate and i iron cant beam is welded together.
Advantage of the present invention makes simply, significantly do not increase engineering time and expense; Structure has higher supporting capacity, and the stress that can effectively reduce on support zone cone base plate is concentrated, and improves the safety of conical bottom tank; Be applicable to the support of the field conical bottom tanks such as chemical industry, coking and concrete storage.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by referring to detailed description below, more completely can understand the present invention better and easily learn wherein many adjoint advantages, but accompanying drawing described herein is used to provide a further understanding of the present invention, form a part of the present invention, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention, as schemed wherein:
Fig. 1 is the front elevational schematic of the braced structures of oil-sand process conical bottom tank;
Fig. 2 is the schematic top plan view of the braced structures of oil-sand process conical bottom tank;
Fig. 3 is the structural representation of oil-sand process conical bottom tank;
Below in conjunction with drawings and Examples, the present invention is further described.
Detailed description of the invention
Obviously, the many modifications and variations that those skilled in the art do based on aim of the present invention belong to protection scope of the present invention.
Embodiment 1: a kind of braced structures of oil-sand process conical bottom tank, as shown in Figure 1, Figure 2, Figure 3 shows, the braced structures of oil-sand process conical bottom tank, comprises outer ring pillar 31, inner ring pillar 32, i iron cant beam 1, flange beam stand 2.
Outer ring pillar 31 and inner ring pillar 32 are on concentric circles, and outer ring pillar and inner ring pillar are all along the circumferential direction evenly arranged; Outer ring pillar radical is 8, inner ring pillar radical is 4, and the radial direction of inner ring pillar place circle is provided with outer ring pillar; Outer ring pillar and inner ring pillar are the cylinder that Q235 steel plate rolls, external diameter 500mm, steel plate thickness 16mm.
Adjacent outer ring is propped up intercolumniation and is provided with pull bar 4, and adjacent outer ring pillar is connected by pull bar, pull bar is provided with expansion coupling 5, for adjusting pull bar length.
The bottom of outer ring pillar and inner ring pillar is all welded with mat 6, and mat is fixedly connected with by bolt 8 with concrete pedestal 7.
Mat thickness is taken as 50mm, and length and width are taken as 1200mm respectively, is all greater than 2 times of pillar external diameters (1000mm); Concrete pedestal is of a size of 1800 × 1800 × 600mm.
Oil-sand process conical bottom tank is the 1000m at diameter 12m, height 9m, cone 120 °, base angle
3conical bottom tank, conical bottom tank distance from bottom surface distance is 1m.
The top of outer ring pillar and inner ring pillar is elliptic cross-section, and this cross section and horizontal plane angle can calculate by boring base angle, and its numerical value is: 180 °-120 °=60 °; The top of outer ring pillar and inner ring pillar is all welded with capital stiffener 9, and capital stiffener is oval, and long axis length is 900mm, minor axis length is 630mm, thickness is 20mm;
Capital stiffener is welded with i iron cant beam 1, i iron cant beam model is 63a, and grade of steel is Q235.
2/3 height and position place of outer ring pillar 31 and inner ring pillar 32 is welded with flange beam stand 2; Flange beam stand is triangle, and i iron cant beam 1/2 position that its summit and Internal and external cycle prop up intercolumniation is connected, and two other summit is connected with 2/3 position of Internal and external cycle pillar; Flange beam stand model is 20b, and grade of steel is Q235.
Conical bottom tank is supported on i iron cant beam 1.
Above-mentioned oil-sand process conical bottom tank braced structures construction method is as follows:
(1), foundation construction: ground region laying depth is the rubble of 30cm at basic place, levelling; Adopt C30 concrete casting to build up basis, the length, width and height on basis are 1800 × 1800 × 600mm; The bolt of pre-buried 8 φ 60 × 200mm on each basis, bolt position is corresponding with prepared screw-bolt hole on mat;
(2), pillar is installed: according to actual process requirement, pillar 8 pillar height in outer ring are 10m, inner ring 4 pillar height are 8.27m; Pillar one end level, one end cuts into into the inclined-plane of 60 ° of slope angles in addition; Mat thickness is taken as 50mm, and length and width are taken as 1200mm respectively; Mat is welded on pillar horizontal ends, pillar center and mat center superposition; Post top portion is provided with capital stiffener, is ellipse, and long axis length is 900mm, minor axis length is 630mm, thickness is 20mm, is welded on by stiffener on the inclined-plane of the pillar other end, stiffener center and inclined-plane center superposition; Pillar is arranged on concrete pedestal, utilizes bolt to fix, install Internal and external cycle pillar successively;
(3), pull bar is installed: otic placode is welded to outer ring pillar 1/2 height and position place and posts bottom position, utilizes pull bar to be coupled together by otic placode; Pull bar diameter is 30mm, and grade of steel is Q235, and is strained by pull bar by the tight knot on adjustment pull bar;
(4), i iron cant beam and flange beam stand install: be placed into by i iron cant beam on the stiffener of Internal and external cycle adjacent struts, and firm welding; At Internal and external cycle pillar 2/3 height and position place welding H-bar support, and by the i iron cant beam bottom welding at top between flange beam stand and Internal and external cycle adjacent struts;
(5), conical bottom tank is installed: be lifted in braced structures by conical bottom tank, and adjustment conical bottom tank lifts angle in time, guarantees that the cone base plate of conical bottom tank contacts completely with i iron cant beam, cone base plate and i iron cant beam is welded together.
Embodiment 2: as shown in Figure 1, Figure 2, Figure 3 shows,
A braced structures for oil-sand process conical bottom tank, comprises outer ring pillar, inner ring pillar, i iron cant beam; Outer ring pillar and inner ring pillar are on concentric circles, and outer ring pillar and inner ring pillar are all along the circumferential direction evenly arranged; The radial direction of inner ring pillar place circle is provided with outer ring pillar, and the top of outer ring pillar and inner ring pillar is all welded with capital stiffener, capital stiffener is welded with i iron cant beam.
Preferably, outer ring pillar radical is 8, inner ring pillar radical is 4, and outer ring pillar and inner ring pillar are the cylinder that Q235 steel plate rolls, external diameter 500mm, steel plate thickness 16mm.
Preferably, adjacent outer ring is propped up intercolumniation and is provided with pull bar, and adjacent outer ring pillar is connected by pull bar, and pull bar is provided with expansion coupling, for adjusting pull bar length.
Preferably, the bottom of outer ring pillar and inner ring pillar is all welded with mat, and mat and concrete pedestal are bolted to connection.
Preferably, mat thickness is taken as 50mm, and length and width are taken as 1200mm respectively; Concrete pedestal is of a size of 1800 × 1800 × 600mm.
Preferably, oil-sand process conical bottom tank is the 1000m at diameter 12m, height 9m, cone 120 °, base angle
3conical bottom tank, conical bottom tank distance from bottom surface distance is 1m.
Preferably, the top of outer ring pillar and inner ring pillar is elliptic cross-section, and capital stiffener is oval, and long axis length is 900mm, minor axis length is 630mm, thickness is 20mm.
Preferably, i iron cant beam model is 63a, and grade of steel is Q235.
Preferably, 2/3 height and position place of outer ring pillar and inner ring pillar is welded with flange beam stand; Flange beam stand is triangle, and i iron cant beam 1/2 position that its summit and Internal and external cycle prop up intercolumniation is connected, and two other summit is connected with 2/3 position of Internal and external cycle pillar; Flange beam stand model is 20b, and grade of steel is Q235.
As mentioned above, embodiments of the invention are explained, but as long as do not depart from inventive point of the present invention in fact and effect can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, such variation is also all included within protection scope of the present invention.
Claims (4)
1. a braced structures for oil-sand process conical bottom tank, comprises outer ring pillar, inner ring pillar, i iron cant beam; It is characterized in that: outer ring pillar and inner ring pillar are on concentric circles, outer ring pillar and inner ring pillar are all along the circumferential direction evenly arranged; The radial direction of inner ring pillar place circle is provided with outer ring pillar, and the top of outer ring pillar and inner ring pillar is all welded with capital stiffener, capital stiffener is welded with i iron cant beam;
Outer ring pillar radical is 8, inner ring pillar radical is 4, and outer ring pillar and inner ring pillar are the cylinder that Q235 steel plate rolls, external diameter 500mm, steel plate thickness 16mm;
Adjacent outer ring is propped up intercolumniation and is provided with pull bar, and adjacent outer ring pillar is connected by pull bar, and pull bar is provided with expansion coupling, for adjusting pull bar length;
The bottom of outer ring pillar and inner ring pillar is all welded with mat, and mat and concrete pedestal are bolted to connection.
2. the braced structures of a kind of oil-sand process conical bottom tank according to claim 1, it is characterized in that mat thickness is taken as 50mm, length and width are taken as 1200mm respectively; Concrete pedestal is of a size of 1800 × 1800 × 600mm;
Oil-sand process conical bottom tank is the 1000m at diameter 12m, height 9m, cone 120 °, base angle
3conical bottom tank, conical bottom tank distance from bottom surface distance is 1m;
The top of outer ring pillar and inner ring pillar is elliptic cross-section, and capital stiffener is oval, and long axis length is 900mm, minor axis length is 630mm, thickness is 20mm.
3. the braced structures of a kind of oil-sand process conical bottom tank according to claim 1 and 2, is characterized in that 2/3 height and position place of outer ring pillar and inner ring pillar is welded with flange beam stand; Flange beam stand is triangle, and i iron cant beam 1/2 position that its summit and Internal and external cycle prop up intercolumniation is connected, and two other summit is connected with 2/3 position of Internal and external cycle pillar.
4. the braced structures construction method of oil-sand process conical bottom tank, is characterized in that, comprise step as follows:
(1), foundation construction: ground region laying depth is the rubble of 30cm at basic place, levelling; Adopt C30 concrete casting to build up basis, the length, width and height on basis are 1800 × 1800 × 600mm; The bolt of pre-buried 8 φ 60 × 200mm on each basis, bolt position is corresponding with prepared screw-bolt hole on mat;
(2), pillar is installed: according to actual process requirement, 8, outer ring pillar height is 10m, inner ring 4 pillar height are 8.27m; Pillar one end level, one end cuts into into the inclined-plane of 60 ° of slope angles in addition; Mat length and width are taken as 1200mm respectively, and wall thickness is taken as 50mm; Mat is welded on pillar horizontal ends, pillar center and mat center superposition; Post top portion is provided with capital stiffener, is ellipse, and long axis length is 900mm, minor axis length is 630mm, thickness is 20mm, is welded on by stiffener on the inclined-plane of the pillar other end, stiffener center and inclined-plane center superposition; Pillar is arranged on concrete pedestal, utilizes bolt to fix, install Internal and external cycle pillar successively;
(3), pull bar is installed: otic placode is welded to outer ring pillar 1/2 height and position place and posts bottom position, utilizes pull bar to be coupled together by otic placode; Pull bar diameter is 30mm, and grade of steel is Q235, and is strained by pull bar by the tight knot on adjustment pull bar;
(4), i iron cant beam and flange beam stand install: be placed into by i iron cant beam on the stiffener of Internal and external cycle adjacent struts, and firm welding; At Internal and external cycle pillar 2/3 height and position place welding H-bar support, and by the i iron cant beam bottom welding at top between flange beam stand and Internal and external cycle adjacent struts;
(5), conical bottom tank is installed: be lifted in braced structures by conical bottom tank, and adjustment conical bottom tank lifts angle in time, guarantees that the cone base plate of conical bottom tank contacts completely with i iron cant beam, cone base plate and i iron cant beam is welded together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310520596.3A CN104560094B (en) | 2013-10-29 | 2013-10-29 | The supporting construction of a kind of oil-sand process conical bottom tank and method of construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310520596.3A CN104560094B (en) | 2013-10-29 | 2013-10-29 | The supporting construction of a kind of oil-sand process conical bottom tank and method of construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104560094A true CN104560094A (en) | 2015-04-29 |
| CN104560094B CN104560094B (en) | 2016-08-03 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB938999A (en) * | 1961-10-10 | 1963-10-09 | George Edward Neuman | Improvements in and relating to fluid separating apparatus |
| CN2778748Y (en) * | 2004-12-17 | 2006-05-10 | 张连友 | Double layer adjustable prop of large-scale hoctonspheres meshwork shelf |
| CN201684488U (en) * | 2010-03-29 | 2010-12-29 | 山东海吉雅环保设备有限公司 | Efficient oil-sludge-water separation and continuous stream filtering integrated water purifying device |
-
2013
- 2013-10-29 CN CN201310520596.3A patent/CN104560094B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB938999A (en) * | 1961-10-10 | 1963-10-09 | George Edward Neuman | Improvements in and relating to fluid separating apparatus |
| CN2778748Y (en) * | 2004-12-17 | 2006-05-10 | 张连友 | Double layer adjustable prop of large-scale hoctonspheres meshwork shelf |
| CN201684488U (en) * | 2010-03-29 | 2010-12-29 | 山东海吉雅环保设备有限公司 | Efficient oil-sludge-water separation and continuous stream filtering integrated water purifying device |
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| CN104560094B (en) | 2016-08-03 |
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