CN116672794B - Oil sand separator - Google Patents
Oil sand separator Download PDFInfo
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- CN116672794B CN116672794B CN202310966521.1A CN202310966521A CN116672794B CN 116672794 B CN116672794 B CN 116672794B CN 202310966521 A CN202310966521 A CN 202310966521A CN 116672794 B CN116672794 B CN 116672794B
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- surface layer
- stainless steel
- plate
- oil
- filter plate
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- 239000003027 oil sand Substances 0.000 title claims abstract description 41
- 239000002344 surface layer Substances 0.000 claims abstract description 68
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 55
- 239000010935 stainless steel Substances 0.000 claims abstract description 55
- 239000000203 mixture Substances 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 238000004140 cleaning Methods 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 239000012065 filter cake Substances 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims description 24
- 239000010410 layer Substances 0.000 claims description 13
- 238000007664 blowing Methods 0.000 claims description 12
- 239000000706 filtrate Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- 238000004321 preservation Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- 238000010907 mechanical stirring Methods 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract description 12
- 239000000463 material Substances 0.000 description 15
- 238000003466 welding Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 239000004576 sand Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000010426 asphalt Substances 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 238000010892 electric spark Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process 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
- 230000000737 periodic effect Effects 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
- B01D33/21—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with hollow filtering discs transversely mounted on a hollow rotary shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/52—Regenerating the filter material in the filter by forces created by movement of the filter element
- B01D33/54—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
- B01D33/62—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to the technical field of oil-sand mixture separation equipment, in particular to an oil-sand separator, which comprises a filter plate part, wherein a plurality of filter plate parts are fixedly arranged in a roller in a coaxial way, the filter plate part is formed by connecting a plurality of stainless steel filter plates in a surrounding way and in an annular structure, the stainless steel filter plates comprise an outer surface layer, sealing edges are welded at the periphery of the outer surface layer, and vacuum interfaces capable of applying vacuum pressure to the inside of the stainless steel filter plates are arranged on the sealing edges; oil sand separation filtration can be realized through a plurality of stainless steel filter plates in the filter plate portion that is equipped with, and this stainless steel filter plate can be through unloading scraper, ultrasonic vibrator box and cooperation distributing valve applys the blowback, get rid of the filter cake that blocks up on outside surface course after will separating, can avoid stainless steel filter plate to block up, be convenient for wash, can solve the not good, cycle decay very fast problem of cleaning performance after current filter media blocks up, can improve the stability that equipment used for a long time.
Description
Technical Field
The invention relates to the technical field of oil-sand mixture separation equipment, in particular to an oil-sand separator.
Background
Oil sands refer to sedimentary sands that are rich in natural bitumen and are therefore also referred to as "tar sands". The oil sand is a mixture containing asphalt, sand, water and other substances, and in the exploitation process, the separation of the oil sand mixture is always a technical problem, the main difficulty is that oil in the mixture is difficult to separate, the main component of the oil is organic liquid, and the oil comprises an organic adhesive material such as asphalt, and the oil sand mixture has the characteristics of high viscosity, poor low-temperature fluidity, difficult dissolution in water, toxic gas emission under photosynthesis and the like, and the conventional solid-liquid separation equipment cannot separate the organic liquid attached to the surface of the sand better.
The existing solid-liquid separation equipment mainly achieves the purpose of solid-liquid separation through filter media such as a filter screen, filter cloth, a ceramic plate, a polymer film and the like under the action of vacuum negative pressure or positive pressure, and then achieves the continuous filtering effect by cleaning the filter media; however, because the organic liquid in the oil sand mixture can block the filter medium (filter cloth, ceramic plate, etc.), the poor cleaning effect can lead to quicker decay of the service cycle and poor service life, and aiming at the problems, we propose a novel oil sand separator.
Disclosure of Invention
In order to overcome the defects, the invention provides an oil-sand separator.
The technical scheme of the invention is as follows:
the oil sand separating centrifuge, including the cylinder, and can drive cylinder pivoted drive arrangement, drive arrangement and cylinder pass through bearing frame fixed mounting in the frame, still include:
the filter plate portion, a plurality of filter plate portion coaxial fixed mounting is in the cylinder, filter plate portion is encircled by a plurality of stainless steel filter plates and is connected and be annular structure, the stainless steel filter plate includes outside surface course, outside surface course department welding all around has the banding, just be equipped with on the banding can to the inside vacuum pressure vacuum interface that applys of stainless steel filter plate.
Preferably, the storage bin support frame is fixedly arranged on the frame and below the roller, the storage bin support frame is provided with a storage bin body, the roller can rotate inside the storage bin body, and the storage bin body can hold oil sand mixture to be filtered.
Preferably, a vacuum suction pipe is fixedly arranged at the axis of the inside of the roller, a distributing valve capable of being connected with a vacuum system is fixedly arranged at any one end of the vacuum suction pipe, a vacuum channel is connected with the other end of the vacuum suction pipe in a conducting manner, a filtrate outlet and a filtrate collecting pipe are arranged at the tail end of the vacuum channel, and each filter plate part is connected with the vacuum suction pipe in a conducting manner through the vacuum interface.
Preferably, an ultrasonic vibrator box capable of generating ultrasonic waves for cleaning is mounted on the oil sand separator.
Preferably, the external surface layer comprises a first surface layer and a second surface layer of a fan-shaped structure, the corresponding surfaces of the first surface layer and the second surface layer are respectively and fixedly connected with a first rib plate and a second rib plate which can be mutually supported and matched and distributed in a staggered manner, and the external surface layer is provided with a filtering hole structure.
Preferably, a plurality of transverse penetrating pins are inserted and installed between the first rib plate and the second rib plate, so that the position relation between the first surface layer and the second surface layer can be fixed.
Preferably, the bottom of the first surface layer and the bottom of the second surface layer are fixedly welded with a bottom plate body, and the bottom plate body is fixedly welded with a bottom plate base plate, a bottom plate penetrating pin and a bottom penetrating pin which are used for connecting and fixing.
Preferably, the stainless steel filter plate has a deformation coefficientCalculated according to the following formula:
；
wherein:a value smaller than 1 is qualified, and a value larger than or equal to 1 is unqualified; q is vacuum degree pressure or back blowing pressure (MPa); p is porosity (%); s is the surface area (mm) of the first facing layer 2 ) The method comprises the steps of carrying out a first treatment on the surface of the E is the elastic modulus (GPa) of the stainless steel filter plate; t is t 1 、t 2 、t 3 The thickness (mm) of the edge sealing is respectively equal to that of the first rib plate, the second rib plate and the edge sealing in the stainless steel filter plate; />The number of layers is the number of layers; r is the transverse pin penetration radius (mm).
Preferably, the outside of cylinder and feed bin body is equipped with heat preservation cover and feed bin heat preservation respectively, be equipped with electric heater strip or heating device in the feed bin heat preservation, can remain oil sand mixture temperature in order to increase the mobility of organic liquid.
Preferably, the mechanical stirring device and the air stirring device are fixedly arranged in the storage bin body, and the discharging scraper which can be in contact with the surface of the filter plate part is fixedly arranged on the frame, so that a filter cake on the surface can be scraped.
Compared with the prior art, the invention has the beneficial effects that:
according to the oil-sand separator, oil-sand separation and filtration can be realized through the stainless steel filter plates in the filter plate part, and the stainless steel filter plates can be subjected to back blowing through the discharging scraper, the ultrasonic vibrator box and the matched distributing valve, so that filter cakes blocked on an external surface layer after separation are removed, the stainless steel filter plates are prevented from being blocked, the cleaning is convenient, the problems that the cleaning effect is poor and the periodic attenuation is rapid after the existing filter media are blocked can be solved, and the stability of equipment in long-term use can be improved; in addition, the stainless steel filter plate is adopted, the strength and the rigidity of the stainless steel filter plate are higher than those of the conventional filter medium, and the inner rib plates and the transverse penetrating pins can provide inner support to avoid deformation caused by the impact of positive pressure and negative pressure on the filter plate; the equipment is simple to operate, and the temperature of the oil sand mixture can be kept by the heat-insulating cover and the bin heat-insulating layer, so that the fluidity of the organic liquid is increased, and the oil sand separation is facilitated.
Drawings
FIG. 1 is a front view of the overall structure of the present invention;
FIG. 2 is a side view of the overall structure of the present invention;
FIG. 3 is an exploded view of a stainless steel filter plate of the present invention;
fig. 4 is a schematic view of a filter plate portion according to the present invention.
The meaning of each reference numeral in the figures is:
1. a thermal insulation cover; 2. a driving device; 3. a mechanical stirring device; 4. stainless steel filter plates; 5. a roller; 6. a vacuum suction tube; 7. a filtrate outlet; 8. a filtrate collecting pipe; 9. a discharging scraper; 10. a dispensing valve; 11. a stirring speed reducer; 12. a frame; 13. a stock bin support frame; 14. an overflow port of the stock bin; 15. backflushing and plugging; 16. an ultrasonic vibrator box; 17. a stock bin body; 18. a gas stirring device; 19. a bin discharge port; 20. a storage bin heat preservation layer; 21. a bearing seat; 22. a vacuum channel; 23. a first facing; 24. a first rib plate; 25. sealing edges; 26. a transverse pin penetrating device; 27. a second rib plate; 28. a second facing; 29. a base plate body; 30. a bottom plate backing plate; 31. penetrating pins of the bottom plate; 32. a bottom pin is penetrated; 33. and (5) a vacuum interface.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-4, the present invention is described in detail by the following embodiments:
the oil sand separating centrifuge, including cylinder 5 to and can drive the pivoted drive arrangement 2 of cylinder 5, drive arrangement 2 and cylinder 5 pass through bearing frame 21 fixed mounting in frame 12, still include:
the filter plate part is formed by connecting a plurality of stainless steel filter plates 4 in a head-tail encircling manner and is in an annular structure, and a plurality of filter plate parts are coaxially and fixedly arranged on the outer circumferential surface of the roller 5 at certain intervals, as shown in fig. 2, the filter plate part of the embodiment is formed by connecting 12 stainless steel filter plates 4 in a head-tail encircling manner, and the filter plate part can also be made of other number of stainless steel filter plates 4 without special limitation.
As shown in fig. 3, the stainless steel filter plate 4 includes an outer surface layer, the outer surface layer includes a first surface layer 23 and a second surface layer 28 which are all in a fan shape, and a first rib plate 24 and a second rib plate 27 which can mutually support and cooperate and are distributed in a staggered manner are fixedly connected to corresponding surfaces of the first surface layer 23 and the second surface layer 28 respectively, and a filter hole structure is arranged on the outer surface layer.
The periphery of the outer surface layer is welded with a sealing edge 25, and the sealing edge 25 is provided with a vacuum interface 33 which can apply vacuum pressure to the inner cavity of the stainless steel filter plate 4.
A plurality of transverse penetrating pins 26 are inserted between the first rib plate 24 and the second rib plate 27, so that the position between the first surface layer 23 and the second surface layer 28 can be fixed. The bottom of the first surface layer 23 and the bottom of the second surface layer 28 are fixedly welded with a bottom plate body 29, and a bottom plate base plate 30, a bottom plate penetrating pin 31 and a bottom penetrating pin 32 which are used for connecting and fixing are fixedly welded on the bottom plate body 29.
It should be noted that, the stainless steel filter plate 4 is required to be welded smoothly without deformation, which would affect the filtering effect, especially, the bottom plate pad 30 is a fixing surface of the stainless steel filter plate 4, and after welding, the surface needs to be turned and flattened, so as to ensure that 12 circles of stainless steel filter plate 4 are fixed on the roller 5 on the same horizontal plane. The first rib plate 24, the bottom plate body 29 and the bottom plate backing plate 30 are welded on the first surface layer 23, the second rib plate 27, the bottom plate body 29 and the bottom plate backing plate 30 are welded on the second surface layer 28 in the same way, and then the first surface layer 23 and the second surface layer 28 are welded together through the edge seal 25, the transverse penetrating pin 26, the bottom plate penetrating pin 31 and the bottom penetrating pin 32, so that the manufacturing process of the stainless steel filter plate 4 is completed.
The surface layer of the stainless steel filter plate 4 has higher flatness, so that higher requirements are put on the welding process, in order to prevent thermal deformation caused by welding, the surface layer of the stainless steel filter plate 4 is placed on a copper plate in the whole welding process (the copper plate has good heat dissipation property, can release heat generated by welding as soon as possible and reduce deformation to the greatest extent), laser welding with smaller deformation is needed for welding, and a left-right break welding mode is needed for welding the first rib plate 24 and the second rib plate 27 on the first surface layer 23 and the second surface layer 28, so that the welding strength is ensured and the deformation is also ensured to be minimum; when the edge seal 25 is welded with the first surface layer 23 and the second surface layer 28, a tooling made of copper plates is needed for welding, so that the external dimension of the stainless steel filter plate 4 is ensured, and the welding thermal deformation is minimum.
The speed reducer and the stirring speed reducer 11 in the driving device 2 of the embodiment both adopt explosion-proof motors, so as to prevent the combustion of organic liquid caused by electric sparks.
As shown in fig. 2, a bin support frame 13 is fixedly installed on the frame 12 and below the roller 5, a bin body 17 is installed on the bin support frame 13, the roller 5 can rotate inside the bin body 17, and the bin body 17 can hold oil sand mixture to be filtered. The outside of cylinder 5 and feed bin body 17 in this embodiment is equipped with heat preservation cover 1 and feed bin heat preservation 20 respectively, is equipped with the electric heater strip in the feed bin heat preservation 20, mainly can effectually remain the temperature of oil sand mixture, and the higher the temperature, the viscidity of organic liquid can reduce, increases its mobility, is favorable to later stage suction filtration separation oil and sand.
The inner axle center of the roller 5 is fixedly provided with a vacuum suction pipe 6, any one end of the vacuum suction pipe 6 is fixedly provided with a distribution valve 10 which can be connected with a vacuum system, the other end of the vacuum suction pipe is connected with a vacuum channel 22 in a conducting way, the tail end of the vacuum channel 22 is provided with a filtrate outlet 7 and a filtrate collecting pipe 8, and each filter plate part is connected with the vacuum suction pipe 6 in a conducting way through a vacuum interface 33. It should be noted that vacuum systems include existing equipment capable of generating either negative or positive vacuum pressure, such as vacuum pumps and pressurized air pumps.
The oil sand separator is provided with the ultrasonic vibrator box 16 which can generate ultrasonic waves for cleaning, and the ultrasonic vibration is mainly applied in the cleaning back blowing process, so that the filter hole structure is better prevented from being blocked.
Deformation coefficient of the stainless steel filter plate 4Calculated according to the following formula:
；
wherein:a value smaller than 1 is qualified, and a value larger than or equal to 1 is unqualified; q is vacuum degree pressure or back blowing pressure (MPa); p is porosity (%); s is the surface area (mm) of the first facing layer 2 ) The method comprises the steps of carrying out a first treatment on the surface of the E is the elastic modulus (GPa) of the stainless steel filter plate 4; t is t 1 、t 2 、t 3 The thickness (mm) of the edge sealing is respectively equal to that of the first rib plate, the second rib plate and the edge sealing in the stainless steel filter plate 4; />The number of layers is the number of layers; r is the transverse pin penetration radius (mm).
It should be noted that, q applies the absolute value to correspond to the vacuum degree pressure and the back blowing pressure respectively, the difference is limited only to the difference of the acting directions, the deformation is not affected, and the absolute value is used here; the deformation is mainly influenced by the thickness of the plate body, the transverse pin penetrating specification and the elastic modulus of the material, the porosity can influence the pressure effect, the porosity can be blocked and gradually reduced in use, and whether the deformation of the plate body is caused by the change of the porosity needs to be considered.
In this embodiment 1, the thicknesses of the first surface layer 23 and the second surface layer 28, the first rib plate 24 and the second rib plate 27, and the edge seal 25 are all 3mm, and the thicknesses of the first surface layer 23 and the second surface layer 28, and the edge seal 25 belong to the cavity outer structure, and the thicknesses thereof are kept consistent and are all t 3 Maintaining mechanical consistency; the transverse pin 26 has a diameter of 8mm. Can obtain more stable fixed knot structure, avoid taking place deformation when exerting positive negative pressure, can collide with each other between the scraper of unloading after the deformation and take place or can't effectively scrape the unloading.
The inside of the bin body 17 is fixedly provided with a mechanical stirring device 3 and an air stirring device 18, and the frame 12 is fixedly provided with a discharging scraper 9 which can be contacted with the surface of the filter plate part, so that the filter cake on the surface can be scraped. The air stirring device 18 of the embodiment adopts an air pump, and the mechanical stirring device 3 adopts an explosion-proof motor, so that the oil to be separated is prevented from being ignited by electric sparks. The stirring device can prevent sand in the oil sand mixture from depositing, and ensure that the materials are uniformly coated on the stainless steel filter plate 4 during filtration.
The working principle of the oil-sand separator in this embodiment is that firstly, the material to be oil-sand separated is injected into the bin body 17, the mechanical stirring device 3 and the air stirring device 18 are started to stir the material uniformly, then the vacuum pump and the driving device 2 in the vacuum system are started, the driving device 2 adopts an explosion-proof motor, the roller 5 rotates in the bin body 17, each stainless steel filter plate 4 is immersed into the material to be oil-sand separated, the vacuum pump applies vacuum negative pressure adsorption to the interior of the stainless steel filter plate 4 through the vacuum channel 22, the vacuum suction pipe 6 and the vacuum interface 33, the material is attached to the surface of the stainless steel filter plate 4 under the vacuum adsorption, and the filtrate is discharged through the filtrate outlet 7 and the filtrate collecting pipe 8, so as to complete the slurry hanging process; along with the continuous rotation of the roller 5, the stainless steel filter plate 4 for hanging slurry can leave the stock bin body 17, at the moment, vacuum continues to be filtered, and the external slurry hanging part materials are further dehydrated, so that the drying process is completed; the high position of the bin body 17 is provided with a bin overflow port 14, and the material can overflow when the bin is full of the material.
The roller 5 continues to rotate and contacts the discharging scraper 9 to scrape and discharge materials, so that the oil sand separation process is completed; oil in the oil sand mixture is pumped out from a filtrate collecting pipe 8, and the scraped and discharged sand becomes a filter cake to finish collection;
if the filter holes are gradually blocked after long-term use, the filtering efficiency is reduced, in order to ensure that micropores of the filter plate are smooth, a mixed cleaning system is started, a material discharge port 19 positioned below a material bin body 17 can be opened to discharge materials, and if the filter holes are blocked, an external air source can be applied through a recoil blocking port 15 to avoid the blockage; after the materials are discharged, water or solvent oil of a soluble solvent 120 is added into the bin body 17 until the stainless steel filter plate 4 is immersed, the rolling roller 5 is repeatedly rolled, the ultrasonic vibrator box 16 is started to apply ultrasonic waves, meanwhile, back-blowing hot steam is applied through the distributing valve 10, the back-blowing pressure value is controlled to be 1.0bar, the blocked residual minerals can be back-blown from inside to outside, the cleaning time is 60 minutes, the stainless steel filter plate 4 can be effectively cleaned, and long-term stable filtering effect is guaranteed.
In the use process of the stainless steel filter plate 4, vacuum negative pressure (-0.07 Mpa to-0.053 Mpa) and vacuum positive pressure (less than or equal to 0.15 Mpa) are needed to bear, and deformation of the surface layers is avoided, so that the thickness of the first surface layer 23 and the second surface layer 28, the number, thickness and aperture ratio of the first rib plate 24 and the second rib plate 27, the diameter and number of the transverse penetrating pins 26, the thickness of the edge seal 25 and the bottom plate body 29 all need accurate data, if the size is too large, the stainless steel filter plate 4 is heavy, and further a series of adverse effects are caused on welding quality, structural strength, input power, vacuum degree, back blowing pressure, product cost and the like of products, therefore, how to ensure good technical effects under certain size conditions is a technical problem in the field, and for this reason, the invention makes online test and destructive test for 5 times 40 days, and experimental data are as follows:
example 1
The thicknesses of the first surface layer 23 and the second surface layer 28, the first rib plate 24 and the second rib plate 27, the edge seal 25 and the bottom plate body 29 of the stainless steel filter plate 4 in the embodiment 1 are all 3mm, the first rib plate 24 and the second rib plate 27 are 5 layers, and the diameter of the transverse penetrating pin 26 is 8mm.
Example 2
In the stainless steel filter plate 4 of the embodiment 2, the thicknesses of the first surface layer 23 and the second surface layer 28, the first rib plate 24 and the second rib plate 27, the edge seal 25 and the bottom plate body 29 are all 2.8mm, the first rib plate 24 and the second rib plate 27 are 5 layers, and the diameter of the transverse penetrating pin 26 is 8mm.
Example 3
In the stainless steel filter plate 4 of example 3, the thickness of the first surface layer 23 and the second surface layer 28 is 2.5mm, the thickness of the first rib plate 24 and the second rib plate 27, the thickness of the edge seal 25 and the thickness of the bottom plate body 29 are all 2.5mm, the thickness of the first rib plate 24 and the second rib plate 27 are 5 layers, and the diameter of the transverse penetrating pin 26 is 7.5mm.
According to examples 1-3, vacuum degree and back blowing pressure are obtained by applying suction pressure to perform simulated cleaning, a plurality of groups of parallel test samples are implemented under the conditions that the vacuum degree is-0.07 Mpa to-0.053 Mpa, the back blowing pressure is 0.1Mpa and the test duration is 8h, and whether the plate body structure of the stainless steel filter plate 4 is deformed or not is compared.
The specific data are as follows:
checking example 3 according to the formulaA value of greater than 1 disqualify, example 1-2 +.>The value is less than 1, the transverse penetrating pins 26 are slightly bent in combination with the actual test result, the bottom plate body 29 is not deformed, the first rib plates 24 and the second rib plates 27 are slightly deformed, but the first surface layer 23 is not obviously deformed, so that the normal use requirement can be met;
according to embodiment 3, when the thicknesses of the first surface layer 23 and the second surface layer 28 of the stainless steel filter plate 4 are 2.5mm, and the thicknesses of the first rib plate 24 and the second rib plate 27, the edge seal 25 and the bottom plate body 29 are all 2.5mm, the first surface layer 23 is significantly deformed, and normal use is not satisfied. Therefore, the stainless steel filter plate 4 has a better guiding function on the size design, and can reduce the requirements on the welding quality, the structural strength, the input power, the vacuum degree and the back blowing pressure of the whole machine design on the premise of meeting the requirement on the using effect, thereby effectively saving the cost and improving the use economy of equipment.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an oil sand separating centrifuge, includes cylinder (5) and can drive cylinder (5) pivoted drive arrangement (2), drive arrangement (2) and cylinder (5) pass through bearing frame (21) fixed mounting on frame (12), its characterized in that:
further comprises:
the filter plate part is fixedly arranged in the roller (5) in a coaxial manner, the filter plate part is connected in a surrounding manner by a plurality of stainless steel filter plates (4) and is in an annular structure, the stainless steel filter plates (4) comprise an outer surface layer, sealing edges (25) are welded at the periphery of the outer surface layer, and vacuum interfaces (33) capable of applying vacuum pressure to the inside of the stainless steel filter plates (4) are arranged on the sealing edges (25);
the outer surface layer comprises a first surface layer (23) and a second surface layer (28) which are in a fan-shaped structure, wherein first rib plates (24) and second rib plates (27) which can be mutually supported, matched and distributed in a staggered manner are fixedly connected to corresponding surfaces of the first surface layer (23) and the second surface layer (28), and a filtering hole structure is arranged on the outer surface layer;
a plurality of transverse penetrating pins (26) are inserted and installed between the first rib plates (24) and the second rib plates (27), and the positions between the first surface layer (23) and the second surface layer (28) can be fixed;
the bottoms of the first surface layer (23) and the second surface layer (28) are fixedly welded with a bottom plate body (29), and a bottom plate base plate (30), a bottom plate penetrating pin (31) and a bottom penetrating pin (32) which are used for connecting and fixing are fixedly welded on the bottom plate body (29);
the deformation coefficient delta of the stainless steel filter plate (4) is calculated according to the following formula:
wherein: the delta value is smaller than 1 and is qualified, and the delta value is larger than or equal to 1 and is unqualified; q is vacuum degree pressure or back blowing pressure (MPa); p is porosity (%); s is the surface area (mm 2) of the first facing layer (23); e is the elastic modulus (GPa) of the stainless steel filter plate (4); t1, t2 and t3 are respectively the thicknesses (mm) of a first rib plate (24), a second rib plate (27) and an edge sealing (25) in the stainless steel filter plate (4); beta is the number of layers of the first rib plate (24) and the second rib plate (27); r is the radius (mm) of the transverse pin (26);
the first rib plate (24), the bottom plate body (29) and the bottom plate backing plate (30) are welded on the first surface layer (23), the second rib plate (27), the bottom plate body (29) and the bottom plate backing plate (30) are welded on the second surface layer (28), and then the first surface layer (23) and the second surface layer (28) are welded together through the edge sealing (25), the transverse penetrating pin (26), the bottom plate penetrating pin (31) and the bottom penetrating pin (32).
2. The oil-sand separator as claimed in claim 1, wherein:
the oil sand filter is characterized in that a bin support frame (13) is fixedly arranged on the frame (12) and below the roller (5), a bin body (17) is arranged on the bin support frame (13), the roller (5) can rotate inside the bin body (17), and oil sand mixture to be filtered can be contained in the bin body (17).
3. The oil-sand separator as claimed in claim 2, wherein:
the utility model discloses a vacuum filter, including cylinder (5), filter plate portion, vacuum system, cylinder (5) inside axle center department fixed mounting has vacuum suction pipe (6), arbitrary one end of vacuum suction pipe (6) has distribution valve (10) that can be connected with the vacuum system, and vacuum suction pipe (6) other end switch-on is connected with vacuum channel (22), vacuum channel (22) end is equipped with filtrate outlet (7) and filtrate collecting pipe (8), and every filter plate portion passes through vacuum interface (33) with vacuum suction pipe (6) switch-on is connected.
4. The oil-sand separator as claimed in claim 1, wherein:
an ultrasonic vibrator box (16) capable of generating ultrasonic waves for cleaning is arranged on the oil-sand separator.
5. The oil-sand separator as claimed in claim 3, wherein:
the outside of cylinder (5) and feed bin body (17) is equipped with heat preservation cover (1) and feed bin heat preservation (20) respectively, be equipped with electric heater strip or heating device in feed bin heat preservation (20), can keep oil sand mixture temperature in order to increase the mobility of organic liquid.
6. The oil-sand separator as claimed in claim 2, wherein:
the mechanical stirring device (3) and the air stirring device (18) are fixedly arranged in the storage bin body (17), and the discharging scraper (9) which can be in surface contact with the filter plate part is fixedly arranged on the frame (12) so as to scrape a surface filter cake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310966521.1A CN116672794B (en) | 2023-08-03 | 2023-08-03 | Oil sand separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310966521.1A CN116672794B (en) | 2023-08-03 | 2023-08-03 | Oil sand separator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116672794A CN116672794A (en) | 2023-09-01 |
| CN116672794B true CN116672794B (en) | 2023-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310966521.1A Active CN116672794B (en) | 2023-08-03 | 2023-08-03 | Oil sand separator |
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| CN1038410A (en) * | 1988-06-08 | 1990-01-03 | 程慧雄 | Radiation-type vacuum continuous filter using internal filtering in rotating drum |
| EP2141324A2 (en) * | 2008-04-11 | 2010-01-06 | Patrick Marcel Strzyzewski | Hybrid engine under the effect of a vacuum or hydraulic pump or under the effect of permanent magnets and a vacuum or hydraulic pump for heating/air conditioning and electrical production |
| CN201470211U (en) * | 2009-07-21 | 2010-05-19 | 厦门金纶科技有限公司 | Filter disc for disc vacuum filter |
| CN102008848A (en) * | 2009-09-07 | 2011-04-13 | 汉斯琥珀欧洲公司 | Filter segment for use in a filtration device and a circular segment for holding a filter segment |
| CN105268235A (en) * | 2015-11-08 | 2016-01-27 | 杭州蓝轩环保科技有限公司 | Filtering plate, vertical rotation gypsum dehydrator, working method and gypsum dehydrating system |
| CN206008139U (en) * | 2016-09-06 | 2017-03-15 | 景津环保股份有限公司 | A kind of plate and frame filter plate for having reinforcement |
| CN107744684A (en) * | 2017-10-20 | 2018-03-02 | 福建省凯达石材机械有限公司 | Sewage treating machine |
-
2023
- 2023-08-03 CN CN202310966521.1A patent/CN116672794B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038410A (en) * | 1988-06-08 | 1990-01-03 | 程慧雄 | Radiation-type vacuum continuous filter using internal filtering in rotating drum |
| EP2141324A2 (en) * | 2008-04-11 | 2010-01-06 | Patrick Marcel Strzyzewski | Hybrid engine under the effect of a vacuum or hydraulic pump or under the effect of permanent magnets and a vacuum or hydraulic pump for heating/air conditioning and electrical production |
| CN201470211U (en) * | 2009-07-21 | 2010-05-19 | 厦门金纶科技有限公司 | Filter disc for disc vacuum filter |
| CN102008848A (en) * | 2009-09-07 | 2011-04-13 | 汉斯琥珀欧洲公司 | Filter segment for use in a filtration device and a circular segment for holding a filter segment |
| CN105268235A (en) * | 2015-11-08 | 2016-01-27 | 杭州蓝轩环保科技有限公司 | Filtering plate, vertical rotation gypsum dehydrator, working method and gypsum dehydrating system |
| CN206008139U (en) * | 2016-09-06 | 2017-03-15 | 景津环保股份有限公司 | A kind of plate and frame filter plate for having reinforcement |
| CN107744684A (en) * | 2017-10-20 | 2018-03-02 | 福建省凯达石材机械有限公司 | Sewage treating machine |
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| Publication number | Publication date |
|---|---|
| CN116672794A (en) | 2023-09-01 |
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