CN113413660B - Oil separation filter equipment and filtration system thereof - Google Patents
Oil separation filter equipment and filtration system thereof Download PDFInfo
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- CN113413660B CN113413660B CN202110683167.2A CN202110683167A CN113413660B CN 113413660 B CN113413660 B CN 113413660B CN 202110683167 A CN202110683167 A CN 202110683167A CN 113413660 B CN113413660 B CN 113413660B
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- assembly
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- 238000001914 filtration Methods 0.000 title claims abstract description 137
- 238000000926 separation method Methods 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 46
- 239000003208 petroleum Substances 0.000 claims abstract description 26
- 238000004140 cleaning Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000010865 sewage Substances 0.000 claims description 43
- 238000007599 discharging Methods 0.000 claims description 19
- 239000003638 chemical reducing agent Substances 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
- 239000012535 impurity Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
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- 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
- C10G31/00—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for
- C10G31/09—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for by filtration
Abstract
The invention provides a petroleum separation filtering device and a filtering system thereof, which comprise a filtering tank, wherein the top end of the filtering tank is provided with a power assembly, the bottom end inside the filtering tank is provided with a cleaning assembly connected with the driving end of the power assembly, the top end inside the filtering tank is provided with a filtering assembly and a sealing and pressurizing assembly for sealing the filtering assembly; the filter assembly comprises a support plate fixed on the inner wall of the filter tank and a filter cylinder fixed at the top end of the support plate, a plurality of air inlet ends of the filter cylinders are connected with the air outlet end of the sealing pressurizing assembly, a filter screen cylinder fixed on the upper surface of the support plate is arranged in the fine filter cylinder, and the bottom end of the fine filter cylinder is connected with the water outlet pipe of the filter tank. The invention can filter petroleum for multiple times to enhance the petroleum filtering effect, and can automatically discharge and clean the filter cartridge for filtering petroleum to improve the working efficiency of the filter cartridge.
Description
Technical Field
The invention mainly relates to the technical field of petroleum filtration, in particular to a petroleum separation and filtration device and a filtration system thereof.
Background
Petroleum, one of the main objects of geological exploration, is industrial blood, because it is produced from underground, resulting in the sand and sand impurities mixed in the petroleum to be filtered by a filtering device.
According to the oil filter device that patent document with application number CN202010951516.X provided can know, this product includes the device body, the inside of device body is provided with two sets of fixed plates, wherein be provided with first filter layer between a set of fixed plate, wherein be provided with the second filter layer between another set of fixed plate, first filter layer is located the top of second filter layer, fixedly connected with fixed block on the lateral wall of fixed plate, the jack has been seted up on the lateral wall of fixed block, and the inside grafting of jack has the inserted bar, the surface of fixed plate is seted up flutedly, the equal fixedly connected with dead lever in bottom of first filter layer and second filter layer, the dead lever is located the inside and the swing joint of recess and has the gyro wheel. This oil filter equipment makes things convenient for the clearance of filter residue, and filter equipment conveniently dismantles and washs, has kept filter equipment long-time stable filtration efficiency, is favorable to developing of enterprise's work.
However, the above filtering apparatus still has defects, for example, although the above filtering apparatus is convenient to disassemble and clean, the filtering apparatus maintains stable filtering efficiency for a long time, but the filtering net in the traditional filtering apparatus is usually maintained by disassembling and cleaning, so that the filtering net is cumbersome to maintain, the technical requirements on workers are high, frequent disassembling can cause abrasion of the filtering apparatus, the sealing performance of the filtering apparatus is affected, and loss is easily caused when petroleum volatilizes.
Disclosure of Invention
The invention mainly provides a petroleum separation and filtration device and a filtration system thereof, which are used for solving the technical problems in the background technology.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the petroleum separation and filtration device comprises a filtration tank, wherein the top end of the filtration tank is provided with a power assembly, the bottom end inside the filtration tank is provided with a cleaning assembly connected with the driving end of the power assembly, the top end inside the filtration tank is provided with a filtration assembly, and a sealing and pressurizing assembly for sealing the filtration assembly;
the filter assembly comprises a support plate fixed on the inner wall of the filter tank and a filter cylinder fixed at the top end of the support plate, a plurality of air inlet ends of the filter cylinders are connected with the air outlet end of the sealing pressurizing assembly, the filter cylinders are connected end to end through pipelines and form an annular structure, the filter cylinder at the head end is connected with the water inlet pipe of the filter tank, the filter cylinder at the tail end is connected with a fine filter cylinder positioned in the annular structure through a pipeline, the filter cylinder fixed on the upper surface of the support plate is arranged in the fine filter cylinder, and the bottom end of the fine filter cylinder is connected with the water outlet pipe of the filter tank;
the cleaning assembly comprises a hollow sewage discharging shaft arranged on the filter tank in a penetrating mode and a sewage discharging pipe fixed on the outer surface of the bottom end of the hollow sewage discharging shaft, the driving end of the hollow sewage discharging shaft is connected with the execution end of the power assembly, and the sewage inlet end of the sewage discharging pipe is connected with the sewage discharging end of the filter cartridge.
Furthermore, sealed pressure assembly include with the lift closing plate that power component's execution end is connected, and wear to locate filter a plurality of inflaters on jar top, the lift closing plate with the essence section of thick bamboo agrees with mutually, the piston rod of inflater is fixed in the upper surface of lift closing plate, the end of giving vent to anger of inflater pass through the hose with the inlet end of cartridge filter is connected to prevent to float to in the whole filtration jar behind the inside petroleum gasification of essence section of thick bamboo, cause the pollution and waste to oil gas.
Further, the bottom of hollow blowdown axle extends to the outside and is connected with rotary joint, rotary joint wears to locate the bottom of filtering the jar, and rotary joint's blowdown end is connected with electronic blowoff valve to make hollow blowdown axle still can discharge the spot to the outside through rotary joint when rotatory.
Furthermore, the power assembly comprises a speed reducer fixed on the upper surface of the filtering tank and a motor connected with an input shaft of the speed reducer, an output shaft of the speed reducer is connected with the hollow sewage draining shaft through a coupler, and the output shaft of the speed reducer is connected with the hollow sewage draining shaft so as to drive the hollow sewage draining shaft to rotate.
Furthermore, the power assembly further comprises an air cylinder which is fixed on the upper surface of the filtering tank and symmetrically arranged by taking the speed reducer as a central axis, and a piston rod of the air cylinder extends to the inside of the filtering tank and is connected with the upper surface of the lifting sealing plate, so that the air cylinder drives the lifting sealing plate to lift, and the lifting sealing plate is driven to seal the inside of the fine filtering cylinder.
Further, the dirty end outer peripheral face of advancing of blow off pipe is fixed with the support ring, the upper surface and the spring looks butt of support ring, the upper surface and the abutment of sealing sleeve bottom of spring, the sealing sleeve cover is located the blow off pipe advances dirty end and with the bottom surface of cartridge filter supports and leans on to through the gap between cartridge filter and the blow off pipe, and reveal to the inside of filter tank, to the inside pollution that causes of filter tank.
Furthermore, the filter cylinder comprises a filter cylinder outer cylinder fixed at the top end of the supporting plate and a filter element inserted in the filter cylinder outer cylinder in a penetrating mode, when a large amount of impurities are retained on the filter element, pressure difference is formed between the outer side of the filter element and the inner wall of the filter cylinder outer cylinder, and therefore the interior of the filter cylinder can be conveniently cleaned subsequently.
Furthermore, a one-way valve connected with the air delivery end of the inflator is fixed at the top end of the outer wall of the filter cylinder outer cylinder so as to increase the pressure difference formed between the outer side of the filter element and the inner wall of the filter cylinder outer cylinder and prevent the air in the filter cylinder from flowing back through the one-way valve.
According to the technical scheme of the oil separation and filtration device, the filtration system of the oil separation and filtration device comprises the following steps: the method comprises the following steps:
the photoelectric switch is used for controlling the motor to rotate;
the electronic barometer is used for monitoring whether the air pressure in the filter tank exceeds a set threshold value;
the electric valve is used for opening and closing a drain outlet at the bottom end of the filter cylinder;
and the PLC is used for controlling and processing the electric signals from the photoelectric switch, the motor, the electronic barometer and the air cylinder.
Further, the PLC controller is connected with the electronic counter through a wire.
Compared with the prior art, the invention has the beneficial effects that:
firstly, the invention can filter petroleum for many times to enhance the petroleum filtering effect, and specifically comprises the following steps: the oil flows through end to end in proper order, and forms the cartridge filter of annular structure and carry out the first filtration, and the oil after the first filtration enters into to the essence section of thick bamboo through the oil outlet end that is located the cartridge filter of tail end, and filters once more through the filter screen section of thick bamboo in the section of thick bamboo, and the oil after filtration many times extends to outside oil pipe via filter screen section of thick bamboo bottom and discharges, and then through the multiple filtration to the oil.
Secondly, the invention can automatically discharge and clean the filter cartridge for filtering petroleum so as to improve the working efficiency of the filter cartridge, and specifically comprises the following steps: when the hollow blowdown axle rotated, the drain after the feed inlet of the last blow off pipe of hollow blowdown axle was opened through the valve body was adjusted well with the cartridge filter bottom to make filter core inboard and outside form pressure differential in the cartridge filter, thereby discharge to the blow off pipe with the help of the spot on the filter core of pressure differential and discharge, meanwhile, because sealed pressure components is connected with the cartridge filter inlet end, thereby utilize sealed pressure components to strengthen the pressure differential of filter core inboard and outside in the cartridge filter, so that further blowdown is washd.
The present invention will be explained in detail below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is a schematic view of the filter assembly of the present invention;
FIG. 5 is an isometric view of the present invention;
FIG. 6 is a schematic structural view of a sewage drain pipe according to the present invention;
FIG. 7 is a schematic structural view of a filter cartridge of the present invention;
FIG. 8 is a flow chart of the present invention.
In the figure: 10. a filter tank; 20. cleaning the assembly; 21. an electric blow-down valve; 22. a hollow pollution discharge shaft; 23. a rotary joint; 24. a sewage discharge pipe; 241. a support ring; 242. a spring; 243. a sealing sleeve; 30. a filter assembly; 31. a screen cylinder; 32. a filter cartridge; 321. a filter cartridge outer barrel; 322. a filter element; 323. a one-way valve; 33. a fine filtering cylinder; 34. a support disc; 40. a power assembly; 41. a speed reducer; 42. a cylinder; 43. a motor; 50. sealing the pressurized assembly; 51. an inflator; 52. and lifting the sealing plate.
Detailed Description
In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-8, in a preferred embodiment of the present invention, an oil separation and filtration apparatus includes a filtration tank 10, a power module 40 is disposed at a top end of the filtration tank 10, a cleaning module 20 connected to a driving end of the power module 40 is disposed at a bottom end of an interior of the filtration tank 10, a filtration module 30 is disposed at a top end of the interior, and a sealing and pressurizing module 50 for sealing the filtration module 30;
the filtering assembly 30 comprises a supporting plate 34 fixed on the inner wall of the filtering tank 10 and a filtering cylinder 32 fixed on the top end of the supporting plate 34, the air inlet ends of the plurality of filtering cylinders 32 are connected with the air outlet end of the sealing pressurizing assembly 50, the plurality of filtering cylinders 32 are connected end to end through a pipeline and form an annular structure, the filtering cylinder 32 at the head end is connected with the water inlet pipe of the filtering tank 10, the filtering cylinder 32 at the tail end is connected with a fine filtering cylinder 33 positioned in the annular structure through a pipeline, a filtering net cylinder 31 fixed on the upper surface of the supporting plate 34 is arranged in the fine filtering cylinder 33, and the bottom end of the fine filtering cylinder 33 is connected with the water outlet pipe of the filtering tank 10;
the cleaning component 20 comprises a hollow sewage discharging shaft 22 arranged on the filter tank 10 in a penetrating way and a sewage discharging pipe 24 fixed on the outer surface of the bottom end of the hollow sewage discharging shaft 22, the driving end of the hollow sewage discharging shaft 22 is connected with the execution end of the power component 40, and the sewage inlet end of the sewage discharging pipe 24 is connected with the sewage discharging end of the filter cylinder 32;
it should be noted that, in this embodiment, after the oil enters the tank from the oil inlet end of the filter tank 10, the oil sequentially flows through the filter cartridges 32 connected end to end and forming an annular structure to perform a first filtration, the oil after the first filtration enters the fine filter cartridge 33 through the oil outlet end of the filter cartridge 32 located at the tail end and is filtered again through the filter screen cartridge 31 in the cartridge, the oil after the multiple filtration is discharged through the oil outlet pipe extending from the bottom end of the filter screen cartridge 31 to the outside, and further, the multiple filtration of the oil is performed, so as to improve the filtration effect;
further, after the oil is filtered by the filter tank 10, the hollow blow-down shaft 22 at the axis of the filter tank 10 is driven to rotate by the power assembly 40 until the feed inlet of the L-shaped blow-down pipe 24 on the hollow blow-down shaft 22 is aligned with the blow-down port at the bottom end of the filter cartridge 32 after the valve body is opened, at this time, the electric blow-down valve 21 is opened, the interior of the filter cartridge 32 is communicated with the blow-down pipe 24, so that the pressure difference is formed between the inner side and the outer side of the filter element 322 in the filter cartridge 32, and therefore, the stain on the filter element 322 is discharged to the blow-down pipe 24 by means of the pressure difference, meanwhile, the sealing pressurizing assembly 50 is connected with the air inlet end of the filter cartridge 32, so that the pressure difference between the inner side and the outer side of the filter element 322 in the filter cartridge 32 is enhanced by the sealing pressurizing assembly 50, and further cleaning of sewage discharge is facilitated.
Specifically, please refer to fig. 2, 3 and 4 again, in another preferred embodiment of the present invention, the sealing and pressurizing assembly 50 includes a lifting sealing plate 52 connected to the actuating end of the power assembly 40, and a plurality of pumps 51 penetrating the top end of the filter tank 10, the lifting sealing plate 52 is engaged with the fine filter cylinder 33, a piston rod of the pump 51 is fixed on the upper surface of the lifting sealing plate 52, and an air outlet of the pump 51 is connected to an air inlet of the filter cylinder 32 through a hose;
it should be noted that, in this embodiment, since the lifting sealing plate 52 is connected to the execution end of the power assembly 40, the lifting sealing plate 52 is driven by the power assembly 40 to lift, so as to match the height of the liquid level in the fine filtration cylinder 33, and accurately seal the oil inside the fine filtration cylinder 33, thereby preventing the oil inside the fine filtration cylinder 33 from floating into the whole filtration tank 10 after being gasified, which causes pollution and oil gas waste;
further, the lift closing plate 52 drives the piston of the air pump 51 to extend and retract when lifting, so that the air pump 51 performs piston movement, and the pressure difference inside the filter cylinder 32 is changed due to the fact that the air pump 51 is connected with the filter cylinder 32, and the filter cylinder 32 is convenient to discharge sewage.
Specifically, please refer to fig. 2 and 6 again, in another preferred embodiment of the present invention, the bottom end of the hollow drainage shaft 22 extends to the outside and is connected to the rotary joint 23, the rotary joint 23 is inserted into the bottom end of the filter tank 10, the drainage end of the rotary joint 23 is connected to the electric drainage valve 21, the outer peripheral surface of the drainage end of the drainage pipe 24 is fixed with a support ring 241, the upper surface of the support ring 241 abuts against a spring 242, the upper surface of the spring 242 abuts against the bottom end of a sealing sleeve 243, and the sealing sleeve 243 is sleeved on the drainage end of the drainage pipe 24 and abuts against the bottom end surface of the filter cartridge 32;
it should be noted that, in this embodiment, since the rotary joint 23 is connected to the bottom end of the hollow waste discharge shaft 22, the rotary joint 23 is adapted to the rotation of the hollow waste discharge shaft 22, so that the hollow waste discharge shaft 22 can still discharge dirt to the outside through the rotary joint 23 when rotating;
furthermore, when the sewage discharge pipe 24 rotates along with the hollow sewage discharge shaft 22 and is aligned with a sewage discharge port at the bottom of the filter cylinder 32, the sewage discharge pipe 24 is sleeved with the sealing sleeve 243, the bottom end of the sealing sleeve 243 abuts against the spring 242, and the bottom end of the spring 242 abuts against the support ring 241 sleeved on the sewage discharge pipe 24, so that the sealing sleeve 243 is tightly attached to the bottom end of the filter cylinder 32 after the sewage discharge pipe 24 rotates through the energy storage of the spring 242, and the pollution to the inside of the filter tank 10 caused by the leakage to the inside of the filter tank 10 through a gap between the filter cylinder 32 and the sewage discharge pipe 24 when the filter cylinder 32 discharges the sewage is prevented;
the ball is embedded in the top end surface of the seal sleeve 243, so that dry friction between the seal sleeve 243 and the support plate 34 is reduced by sliding the ball on the bottom end surface of the support plate 34.
Specifically, please refer to fig. 1, 3 and 4 again, in another preferred embodiment of the present invention, the power assembly 40 includes a speed reducer 41 fixed on the upper surface of the filter tank 10, and a motor 43 connected to an input shaft of the speed reducer 41, an output shaft of the speed reducer 41 is connected to the hollow sewage discharging shaft 22 through a coupling, the power assembly 40 further includes an air cylinder 42 fixed on the upper surface of the filter tank 10 and symmetrically disposed with the speed reducer 41 as a central axis, a piston rod of the air cylinder 42 extends into the filter tank 10 and is connected to the upper surface of the lifting sealing plate 52;
in the present embodiment, the torque output by the motor 43 is increased by the speed reducer 41 connected to the motor 43, and the hollow waste discharge shaft 22 is driven to rotate by the output shaft of the speed reducer 41 connected to the hollow waste discharge shaft 22;
further, the air cylinder 42 drives the lifting sealing plate 52 to lift, so as to drive the lifting sealing plate 52 to seal the inside of the fine filtering cylinder 33.
Specifically, please refer to fig. 2, 3 and 7 again, the filter cartridge 32 includes a filter cartridge outer cylinder 321 fixed on the top end of the support plate 34, and a filter element 322 inserted into the filter cartridge outer cylinder 321, and a check valve 323 connected to the air input end of the inflator 51 is fixed on the top end of the outer wall of the filter cartridge outer cylinder 321;
it should be noted that, in this embodiment, the filter cartridge 32 is made to filter impurities in the petroleum through the filter element 322, and when a large amount of impurities are retained on the filter element 322, a pressure difference is formed between the outer side of the filter element 322 and the inner wall of the filter cartridge outer cylinder 321, so as to facilitate subsequent cleaning of the inside of the filter cartridge 32
Further, the cartridge outer cylinder 321 is made to continuously receive air from the air delivery end of the air pump 51 through the check valve 323, so as to increase the pressure difference between the outside of the filter element 322 and the inner wall of the cartridge outer cylinder 321, and prevent the backflow of air inside the filter cartridge 32 through the check valve 323.
As shown in fig. 1 to 8, there will also be provided a petroleum separation and filtration apparatus and a filtration system thereof according to the above embodiments, comprising:
a photoelectric switch for controlling the rotation of the motor 43;
the electronic barometer is used for monitoring whether the air pressure in the filter tank 10 exceeds a set threshold value;
an electric valve for opening and closing a drain outlet at the bottom end of the filter cartridge 32;
a PLC controller for controlling and processing the electric signals from the photoelectric switch, the motor 43, the electronic barometer and the air cylinder 42.
Further, the PLC controller is connected to an electronic counter through a wire, so that the electronic counter records the number of times that the power assembly 40 drives the hollow waste shaft 22 to rotate, that is, the number of times that the filter cartridge 32 is cleaned.
The specific operation mode of the invention is as follows:
when the filtering device is used for separating and filtering petroleum, firstly, the petroleum is guided to enter the filtering tank 10 from the oil inlet end, at the moment, the petroleum sequentially flows through the filtering cylinders 32 which are connected end to end and form an annular structure for primary filtering, the petroleum after primary filtering enters the fine filtering cylinder 33 through the oil outlet end of the filtering cylinder 32 positioned at the tail end and is filtered again through the filtering net cylinder 31 in the cylinder, the petroleum after multiple times of filtering is discharged through the oil outlet pipe which extends to the outside from the bottom end of the filtering net cylinder 31, and then the petroleum is filtered for multiple times;
after the filtering tank 10 filters petroleum, the hollow blow-down shaft 22 at the axis of the filtering tank 10 is driven to rotate by the power component 40 until a feed inlet of the L-shaped blow-down pipe 24 on the hollow blow-down shaft 22 is aligned with a blow-down port at the bottom end of the filtering tank 32 after the valve body is opened, at the moment, the electric blow-down valve 21 is opened, the interior of the filtering tank 32 is communicated with the blow-down pipe 24, so that pressure difference is formed between the inner side and the outer side of the filtering core 322 in the filtering tank 32, and therefore, dirt on the filtering core 322 is discharged to the blow-down pipe 24 by means of the pressure difference, meanwhile, the sealing pressurizing component 50 is connected with the air inlet end of the filtering tank 32, so that the pressure difference between the inner side and the outer side of the filtering core 322 in the filtering tank 32 is enhanced by the sealing pressurizing component 50, and further sewage discharge and cleaning are facilitated.
The invention is described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the above-described embodiments, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (9)
1. The petroleum separation and filtration device comprises a filtration tank (10), and is characterized in that a power assembly (40) is arranged at the top end of the filtration tank (10), a cleaning assembly (20) connected with the driving end of the power assembly (40) is arranged at the bottom end inside the filtration tank (10), a filtration assembly (30) is arranged at the top end inside the filtration tank, and a sealing and pressurizing assembly (50) used for sealing the filtration assembly (30) is arranged;
the filtering assembly (30) comprises a supporting plate (34) fixed on the inner wall of the filtering tank (10) and a filtering cylinder (32) fixed at the top end of the supporting plate (34), the air inlet ends of the filtering cylinders (32) are connected with the air outlet end of the sealing pressurizing assembly (50), the filtering cylinders (32) are connected end to end through pipelines and form an annular structure, the filtering cylinder (32) at the head end is connected with the water inlet pipe of the filtering tank (10), the filtering cylinder (32) at the tail end is connected with a fine filtering cylinder (33) located in the annular structure through pipelines, a filtering net cylinder (31) fixed on the upper surface of the supporting plate (34) is arranged in the fine filtering cylinder (33), and the bottom end of the fine filtering cylinder (33) is connected with the water outlet pipe of the filtering tank (10);
the cleaning component (20) comprises a hollow sewage discharging shaft (22) which is arranged on the filter tank (10) in a penetrating mode and a sewage discharging pipe (24) which is fixed on the outer surface of the bottom end of the hollow sewage discharging shaft (22), the driving end of the hollow sewage discharging shaft (22) is connected with the execution end of the power component (40), and the sewage inlet end of the sewage discharging pipe (24) is connected with the sewage discharging end of the filter cylinder (32);
the sealing and pressurizing assembly (50) comprises a lifting sealing plate (52) connected with the execution end of the power assembly (40) and a plurality of inflators (51) arranged at the top end of the filtering tank (10) in a penetrating mode, the lifting sealing plate (52) is matched with the fine filtering barrel (33), a piston rod of the inflator (51) is fixed on the upper surface of the lifting sealing plate (52), and the air outlet end of the inflator (51) is connected with the air inlet end of the filtering barrel (32) through a hose.
2. The oil separation and filtration device according to claim 1, wherein the bottom end of the hollow blowdown shaft (22) extends to the outside and is connected with a rotary joint (23), the rotary joint (23) is arranged at the bottom end of the filter tank (10) in a penetrating manner, and the blowdown end of the rotary joint (23) is connected with an electric blowdown valve (21).
3. The oil separating and filtering device according to claim 1, characterized in that the power assembly (40) comprises a speed reducer (41) fixed on the upper surface of the filtering tank (10) and a motor (43) connected with the input shaft of the speed reducer (41), and the output shaft of the speed reducer (41) is connected with the hollow pollution discharge shaft (22) through a coupling.
4. The oil separation and filtration device according to claim 1, wherein the power assembly (40) further comprises an air cylinder (42) fixed on the upper surface of the filtration tank (10) and symmetrically arranged by taking the speed reducer (41) as a central axis, and a piston rod of the air cylinder (42) extends into the filtration tank (10) and is connected with the upper surface of the lifting sealing plate (52).
5. The oil separating and filtering device as recited in claim 1, wherein a support ring (241) is fixed on the outer peripheral surface of the sewage inlet end of the sewage discharge pipe (24), the upper surface of the support ring (241) abuts against a spring (242), the upper surface of the spring (242) abuts against the bottom end of a sealing sleeve (243), and the sealing sleeve (243) is sleeved on the sewage inlet end of the sewage discharge pipe (24) and abuts against the bottom end surface of the filter cylinder (32).
6. The oil separating and filtering device according to claim 1, wherein the filter cartridge (32) comprises a cartridge outer cylinder (321) fixed on the top end of the support plate (34), and a filter element (322) inserted into the cartridge outer cylinder (321).
7. The oil separating and filtering device as claimed in claim 6, wherein a one-way valve (323) connected with the gas transmission end of the inflator (51) is fixed at the top end of the outer wall of the filter cylinder outer cylinder (321).
8. The filtering system of a petroleum separation and filtration unit according to any one of claims 1 to 7, comprising:
a photoelectric switch for controlling the rotation of the motor (43);
the electronic barometer is used for monitoring whether the air pressure in the filter tank (10) exceeds a set threshold value;
the electric valve is used for opening and closing a sewage outlet at the bottom end of the filter cylinder (32);
a PLC controller for controlling and processing electrical signals from the electro-optical switch, the motor (43), the electronic barometer and the cylinder (42).
9. The system of claim 8, wherein the PLC controller is wired to the electronic counter.
Priority Applications (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3703465A (en) * | 1970-12-14 | 1972-11-21 | Dover Corp | Filter with rotating backwash selector |
| KR101287122B1 (en) * | 2011-10-14 | 2013-07-23 | 주식회사 파나시아 | A Multi-Cage Type Ballast Water Filter Equipment auto-controlling successively back-washing and Method thereof |
| KR101169436B1 (en) * | 2011-11-29 | 2012-07-27 | 주식회사고려필터 | Press and reverse washing typed filtering device by filter drum |
| JP6076647B2 (en) * | 2012-08-10 | 2017-02-08 | 富士フィルター工業株式会社 | Filtration device |
| CN105939768B (en) * | 2014-01-31 | 2018-01-09 | 富士过滤器工业股份有限公司 | Filter |
| CN204261420U (en) * | 2014-11-26 | 2015-04-15 | 秦皇岛思泰意达科技发展有限公司 | A kind of explosion-proof type gas control full-automatic back washing filter |
| CN209809666U (en) * | 2019-04-24 | 2019-12-20 | 宜昌市凯诺电气有限公司 | Vertical back flush filter |
| CN110025998B (en) * | 2019-04-28 | 2021-10-15 | 南通航海机械集团有限公司 | Lubricating oil self-cleaning filter system |
| CN211384046U (en) * | 2019-12-16 | 2020-09-01 | 大连元利流体技术有限公司 | Multi-chamber air back-flushing large-capacity filter |
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