CN108067026A - self-cleaning fuel oil filter - Google Patents
self-cleaning fuel oil filter Download PDFInfo
- Publication number
- CN108067026A CN108067026A CN201711343977.3A CN201711343977A CN108067026A CN 108067026 A CN108067026 A CN 108067026A CN 201711343977 A CN201711343977 A CN 201711343977A CN 108067026 A CN108067026 A CN 108067026A
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- Prior art keywords
- valve
- filter
- chamber
- oil inlet
- filter chamber
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- 238000004140 cleaning Methods 0.000 title claims abstract description 42
- 239000000295 fuel oil Substances 0.000 title claims abstract description 42
- 239000003921 oil Substances 0.000 claims abstract description 154
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 230000008676 import Effects 0.000 claims description 19
- 238000011010 flushing procedure Methods 0.000 claims description 18
- 239000010865 sewage Substances 0.000 claims description 14
- 238000005192 partition Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 15
- 238000001914 filtration Methods 0.000 description 12
- 239000012535 impurity Substances 0.000 description 8
- 239000000446 fuel Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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
- B01D29/52—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 parallel 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
- B01D29/11—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 bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/33—Self-supporting filtering elements arranged for inward flow filtration
-
- 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
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
- B01D29/606—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by pressure measuring
-
- 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
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
- B01D29/688—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with backwash arms or shoes acting on the cake side
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses self-cleaning fuel oil filters, and including setting there are one the filter chamber of the valve chamber of dress switching valve and two dress filter cores from secondary cleaner body, inlet channel and drain outlet are set from secondary cleaner body；Backwash cavity and the air holes communicated therewith and two upper stomatas are set in switching valve, switching valve forms oil inlet cavity with valve chamber inner wall, blowdown chamber and fuel-displaced cavity, switching valve is every time after commutation, oil inlet cavity only communicates preceding oil inlet passage with the rear oil inlet passage that a filter chamber communicates, the rear oil discharge passage that preceding oil discharge passage is communicated with the filter chamber is only connected by fuel-displaced cavity, one upper stomata is communicated with inlet channel, port sealing on another, the rear oil discharge passage that air holes is only communicated with another filter chamber is connected, blowdown cavity communicates simultaneously with drain outlet and the rear oil inlet passage that is communicated with the filter chamber.The present invention has the advantages that less energy consumption, energy on-line auto-cleaning filter core, cleaning efficiency is high and cleaning performance is good.
Description
Technical field
The present invention relates to fuel filter equipment technical fields, and in particular to self-cleaning fuel oil filter.
Background technology
At present, for the filtering of fuel oil, existing regular fuel filter does not possess automatic cleaning function.Work as fuel filter
After device work a period of time, it is necessary to fuel oil filter when filter core is blocked by the impurity particle in fluid and influences filter effect
Filter core cleaned；Currently used filter element cleaning method is：First arrestment work, then by filter core from oil screen
Take out cleaning, reloaded again in fuel oil filter after the completion of to be cleaned, this cleaning way not only high energy consumption, seriously affect
The work continuity of system, and the cleaning efficiency manually cleared up is low and cleaning performance is poor.Cause then can there is an urgent need for invention one kind
With less energy consumption, the online intermittent automatic cleaning filter core of energy, the fuel oil filter that cleaning efficiency is high and cleaning performance is good.
The content of the invention
The object of the present invention is to provide a kind of less energy consumption, the online intermittent automatic cleaning filter core of energy, cleaning efficiency are high and clear
Wash the good self-cleaning fuel oil filter of effect.
To achieve the above object, present invention employs following technical solutions：The self-cleaning fuel oil filter, including certainly
Secondary cleaner body, from the top of secondary cleaner body front side wall is provided with oil inlet, lower part is provided with oil outlet, from secondary cleaner
The top of body rear wall is provided with back flushing air import, lower part is provided with sewage draining exit, back flushing air entrance be provided with to
The gas bag backwash component of high pressure gas is blown in back flushing air import, is being set gradually from front to back from secondary cleaner body there are one valve chamber
And two or so independent filter chambers side by side, the inside of each filter chamber is separated into upper filter chamber and lower filter chamber by partition plate, in each filter chamber
Partition plate on be respectively arranged with the through hole of filter chamber and lower filter chamber in several connections, the through hole of partition plate is pacified respectively in each filter chamber
Equipped with the filter core in corresponding upper filter chamber, from each upper filter chamber of secondary cleaner body respectively by one after oil inlet passage and valve
Chamber upper space is connected, and valve chamber upper space is connected by preceding oil inlet passage with oil inlet, from each of secondary cleaner body
Lower filter chamber is connected respectively by oil discharge passage after one with valve chamber lower space, and valve chamber lower space is respectively by preceding fuel-displaced logical
Road is connected with oil outlet, and being disposed with from top to bottom from secondary cleaner body between two filter chambers connects recoil
Drain outlet of the gas import with the inlet channel of valve chamber upper space and to connect sewage draining exit and valve chamber lower space；
Movable sealing is provided with the switching valve for being driven by Pneumatic motor assembly and rotating commutation in valve chamber, in the central axial setting of switching valve
There is backwash cavity, radially set in the upper portion side wall of switching valve there are two the upper stomata communicated simultaneously with backwash cavity,
Two upper stomata energy alternate communication inlet channels, oil inlet is provided on the one side side wall of upper portion of conversion valve when switching valve commutates
Notch, oil inlet notch form independent oil inlet cavity with valve chamber inner wall, the row of being provided on the opposite side side wall of upper portion of conversion valve
Dirty notch, blowdown notch forms independent blowdown chamber with valve chamber inner wall, in the switching valve lower sides with oil inlet notch homonymy
On be provided with fuel-displaced notch, fuel-displaced notch forms independent fuel-displaced cavity with valve chamber inner wall, in the conversion with blowdown notch homonymy
The air holes that can be connected with backwash cavity is provided on valve lower sides, the switching valve is driven every time by Pneumatic motor assembly
Move backward, the preceding oil inlet passage rear oil inlet passage communicated corresponding with a filter chamber is just only connected, is fuel-displaced by oil inlet cavity
The preceding oil discharge passage rear oil discharge passage communicated corresponding with the filter chamber is just only connected by cavity, while one is gone up stomata just only
Be connected to each other with inlet channel connect, stomata is just sealed by valve chamber inner wall on another, and air holes just only with it is another
The rear oil discharge passage that a filter chamber correspondence communicates is connected to each other connection, blowdown cavity and just drain outlet and communicates simultaneously and with the filter chamber
Rear oil inlet passage be connected.
Further, foregoing self-cleaning fuel oil filter, wherein：Be provided with to detect from secondary cleaner body into
The pressure difference alarm of pressure difference, pressure difference alarm are connected with Pneumatic motor assembly signal between hydraulic fluid port and oil outlet, air motor group
Part and gas bag backwash component signals be connecteds, are preset when pressure difference alarm detects to obtain pressure difference between oil inlet and oil outlet and is more than
During safe pressure differential, pressure difference alarm can send alarm signal to Pneumatic motor assembly, and Pneumatic motor assembly receives alarm signal
After switching valve can be controlled to commutate, and when switching valve commutation in place after, Pneumatic motor assembly, which can control, stops switching valve and to gas
Bag backwash component sends backwash signal, and gas bag backwash component can be at preset timed intervals to recoil after receiving backwash signal
High pressure gas is blown in gas import.
Further, foregoing self-cleaning fuel oil filter, wherein：Gas bag backwash component includes gas bag and control gas bag
The recoil valve of opening and closing；Pneumatic motor assembly includes：It is fixedly and coaxially connected with switching valve and upper end protrudes from secondary cleaner body upwards
Shaft, to drive shaft rotate air motor, the electricity to control air motor and be connected with pressure difference alarm signal
Magnet valve, the cam being arranged at shaft upper shaft and be arranged at from secondary cleaner bodies top can with cam match merging
The limit switch being connected with recoil valve and solenoid signal；Meeting after solenoid valve receives the alarm signal of pressure difference alarm transmission
Switching valve commutation is controlled, and after switching valve commutates in place, the cam on shaft axle body can touch limit switch, limit switch
It can be sent after mutually being touched with cam to solenoid valve and commutate signal in place and send backwash signal to recoil valve, solenoid valve receives
It can stop switching valve after to commutation in place signal, recoil valve can open gas bag certain time after receiving backwash signal, realize
Recoil cleaning.
Further, foregoing self-cleaning fuel oil filter, wherein：Blowdown valve is provided at sewage draining exit.
The implementation of Pass through above-mentioned technical proposal, the beneficial effects of the invention are as follows：Easy for operation, less energy consumption, energy are online
Intermittent automatic cleaning filter core, cleaning efficiency are high and cleaning performance is good.
Description of the drawings
Fig. 1 is the structure diagram of self-cleaning fuel oil filter of the present invention.
Fig. 2 is the structure diagram of the overlook direction of Fig. 1.
Fig. 3 is the structure diagram of the right apparent direction of Fig. 1.
Fig. 4 is the enlarged diagram at the H positions shown in Fig. 3.
Fig. 5 is the structure diagram of the B-B sections shown in Fig. 1.
Fig. 6 is the structure diagram from secondary cleaner body shown in Fig. 1.
Fig. 7 is the structure diagram of the A-A sections shown in Fig. 6.
Fig. 8 is the structure diagram of the filter core shown in figure l.
Fig. 9 is the dimensional structure diagram of Fig. 8.
Figure 10 is the structure diagram of the E-E sections shown in Fig. 8.
Figure 11 is from the position relationship schematic diagram in secondary cleaner body between valve chamber and each filter chamber shown in Fig. 1.
Figure 12 is the structure diagram of the C-C sections shown in Figure 11.
Figure 13 is the structure diagram of the J-J sections shown in Figure 11.
Figure 14 is the structure diagram of the Q-Q sections shown in Figure 11.
Figure 15 is the structure diagram of the M-M sections shown in Figure 11.
Specific embodiment
The invention will be further described in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, Figure 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, Tu15Suo
Show, the self-cleaning fuel oil filter, including from secondary cleaner body 1, being provided with from the top of 1 front side wall of secondary cleaner body
Oil inlet 2, lower part are provided with oil outlet 3, from the top of 1 rear wall of secondary cleaner body is provided with back flushing air import 4, lower part is set
Sewage draining exit 5 is equipped with, is provided with to blow the gas bag backwash component 6 of high pressure gas to back flushing air import 4 at back flushing air import 4,
Set gradually from front to back from secondary cleaner body 1 there are one the independent left filter chambers 8 side by side of valve chamber 7 and two or so with it is right
Filter chamber 9, the inside of left filter chamber 8 are separated into upper left filter chamber 81 and lower-left filter chamber 82 by first partition 10, divide in first partition 10
Several connection upper left filter chambers 81 and the first through hole 11 of lower-left filter chamber 82 are not provided with, and position is separately installed at first through hole 11
The first filter core 12 in upper left filter chamber 81, upper left filter chamber 81 is respectively by being arranged at from the left back oil inlet in secondary cleaner body 1
Passage 13 is connected with 7 upper space of valve chamber, and 7 upper space of valve chamber is led to by being arranged at from the preceding oil inlet in secondary cleaner body 1
Road 14 is connected with oil inlet 2, and lower-left filter chamber 82 is by being arranged at from the left back oil discharge passage 15 of secondary cleaner body 1 and valve chamber 7
Lower space is connected, and 7 lower space of valve chamber is by being arranged at from the preceding oil discharge passage 16 of secondary cleaner body 1 and 3 phase of oil outlet
Connection；The inside of right filter chamber 9 is separated into upper right filter chamber 91 and bottom right filter chamber 92 by second partition 17, on second partition 17 respectively
Several connection upper right filter chambers 91 and the second through hole 18 of bottom right filter chamber 92 are provided with, is separately installed with and is located at the second through hole 18
The second filter core 19 in upper right filter chamber 91, upper right filter chamber 91 are led to respectively by being arranged at from oil inlet behind the right side in secondary cleaner body 1
Road 20 is connected with 7 upper space of valve chamber, bottom right filter chamber 92 by be arranged at from oil discharge passage 21 behind the right side of secondary cleaner body 1 with
7 lower space of valve chamber is connected；
Between left filter chamber 8 and right filter chamber 9 be disposed with to connect from top to bottom from secondary cleaner body 1 back flushing air into
4 drain outlet with the inlet channel 22 of 7 upper space of valve chamber and to connect sewage draining exit 5 and 7 lower space of valve chamber of mouth
23；Movable sealing is provided in valve chamber 7 drives the switching valve 25 for rotating and commutating by Pneumatic motor assembly 24, in switching valve 25
It is central axial to be provided with backwash cavity 251, it is radially provided in the upper portion side wall of switching valve 25 while with backwashing cavity
251 communicate first on stomata 253 on stomata 252 and second, when switching valve commutates, gas on stomata 252 and second on first
253 energy alternate communication inlet channel 22 of hole, is provided with oil inlet notch 254, oil inlet lacks on the one side side wall on 25 top of switching valve
Mouth 254 forms independent oil inlet cavity 26 with 7 inner wall of valve chamber, and being provided with blowdown on the opposite side side wall on 25 top of switching valve lacks
Mouth 255, blowdown notch 255 forms independent blowdown chamber 27 with 7 inner wall of valve chamber, in the switching valve 7 with 254 homonymy of oil inlet notch
Be provided with fuel-displaced notch 256 on lower sides, fuel-displaced notch 256 forms independent fuel-displaced cavity 28 with 7 inner wall of valve chamber, with row
The air holes 257 that can be connected with backwash cavity 251 is provided on 7 lower sides of switching valve of dirty 255 homonymy of notch, it is described
After switching valve 25 drives commutation by Pneumatic motor assembly 24 every time, oil inlet cavity 26 just only filters preceding oil inlet passage 14 and upper left
The left back oil inlet passage 13 that chamber 81 communicates is connected, fuel-displaced cavity 28 just only communicates preceding oil discharge passage 16 with lower-left filter chamber 82
Left back oil discharge passage 15 be connected, while positioned at left side first on stomata 252 just only with inlet channel 22 relatively in succession
It is logical, stomata 253 is just sealed by 7 inner wall of valve chamber on the second of right side, and air holes 257 just only with bottom right filter chamber
Behind 92 right sides communicated oil discharge passage 21 be connected to each other connection, blowdown cavity 27 just simultaneously and drain outlet 23 and with upper right filter chamber 91
Oil inlet passage 20 is connected behind the right side communicated；Or oil inlet cavity 26 just only communicates preceding oil inlet passage 14 with upper right filter chamber 91
The right side after oil inlet passage 21 is connected, fuel-displaced cavity 28 just only goes out behind the right side that communicates preceding oil discharge passage 16 with bottom right filter chamber 92
Oily passage 21 is connected, at the same on the first of left side stomata 252 just sealed by 7 inner wall of valve chamber, the positioned at right side
Stomata 253 is just only connected to each other with inlet channel 22 and connect on two, and air holes 257 just is communicated with lower-left filter chamber 82
Left back oil discharge passage 15 is connected to each other connection, blowdown cavity 27 just simultaneously and drain outlet 23 and the left side that is communicated with upper left filter chamber 81
Oil inlet passage 13 is connected afterwards；
In the present embodiment, it is being provided with to detect the pressure of pressure difference between oil inlet 2 and oil outlet 3 from secondary cleaner body 1
Difference alarming device 29, pressure difference alarm 29 are connected with 24 signal of Pneumatic motor assembly, Pneumatic motor assembly 24 and gas bag backwash group
6 signal of part connects, when the detection of pressure difference alarm 29, which obtains between oil inlet 2 and oil outlet 3 pressure difference, is more than default safe pressure differential,
Pressure difference alarm 29 can send alarm signal to Pneumatic motor assembly 24, and Pneumatic motor assembly 24 can be controlled after receiving alarm signal
Switching valve 25 processed commutates, and after switching valve 25 commutates in place, Pneumatic motor assembly 24 can control stop switching valve 25 and to
Gas bag backwash component 6 send backwash signal, gas bag backwash component 6 receive backwash signal after can at preset timed intervals to
High pressure gas is blown in back flushing air import；It is automatic clear so not only can rapidly and accurately to judge whether work filter chamber needs to carry out automatically
It washes, avoids the occurrence of causing the reduction of fuel oil filter filter efficiency when judging that work filter chamber needs scavenging period too late, carry
The high safety in utilization of equipment, and gas bag backwash component the high pressure gas of certain time is provided after stop supply, will not
Supply recoil is carried out continuously, online intermittent automatic cleaning is realized, greatly reduces energy consumption；
In the present embodiment, gas bag backwash component 6 includes gas bag and controls the recoil valve of gas bag opening and closing；Pneumatic motor assembly 24 wraps
It includes：It is fixedly and coaxially connected with switching valve 25 and upper end protrudes from the shaft 241 of secondary cleaner body 1, to drive shaft 241 upwards
The air motor 242 of rotation, the solenoid valve 243 to control air motor 242 and be connected with 29 signal of pressure difference alarm, setting
In the cam 244 on the axle body of 241 upper end of shaft and it is arranged in can match with cam 244 from 1 top of secondary cleaner body
Merge the limit switch 245 being connected with recoil valve and solenoid signal, when solenoid valve 243 receives the transmission of pressure difference alarm 29
It can control air motor 242 that switching valve 25 is made to commutate after alarm signal, after switching valve 25 commutates in place, on 241 axle body of shaft
Cam 244 can touch limit switch 245, limit switch 245 can send to solenoid valve 243 after being touched with 244 phase of cam and commutate
Signal and backwash signal is sent to recoil valve in place, solenoid valve 243 receives commutation can stop switching valve after signal in place
25, recoil valve can open gas bag certain time after receiving backwash signal, realize recoil cleaning, above-mentioned Pneumatic motor assembly with
Gas bag backwash modular construction is simple, convenient to install and maintain；In the present embodiment, blowdown valve 30 is provided at sewage draining exit 5；
The operation principle of the present invention is as follows：
In the fuel oil filter course of work, left filter chamber 8 and right the two filter chambers of filter chamber 9 are one of filter chamber always as work
Make filter chamber, another filter chamber as spare filter chamber；When switching valve 25 turns to oil inlet cavity 26 only by preceding oil inlet passage 14 and a left side
The left back oil inlet passage 13 that upper filter chamber 81 communicates is connected, fuel-displaced cavity 28 only communicates preceding oil discharge passage 16 with lower-left filter chamber 82
Left back oil discharge passage 15 be connected, while positioned at left side first on stomata 252 just only with inlet channel 22 relatively in succession
It is logical, stomata 253 is just sealed by 7 inner wall of valve chamber on the second of right side, and air holes 257 just only with bottom right filter chamber
Behind 92 right sides communicated oil discharge passage 21 be connected to each other connection, blowdown cavity 27 just simultaneously and drain outlet 23 and with upper right filter chamber 91
When oil inlet passage 20 is connected behind the right side communicated, oil inlet 2, preceding oil inlet passage 14, oil inlet cavity 26, left back oil inlet passage 13,
It is upper left filter chamber 81, the first filter core 12, first through hole 11, lower-left filter chamber 82, left back oil discharge passage 15, fuel-displaced cavity 28, preceding fuel-displaced
Independent filtration channel is just collectively formed in passage 16 and oil outlet 3；And back flushing air import at this time 4, inlet channel 22, first
Upper stomata 252, backwash cavity 251, air holes 257, bottom right filter chamber 92, the second through hole 18, the second filter core 19, upper right filter chamber
91st, independent backwash passage is collectively formed in blowdown cavity 27, drain outlet 23 and sewage draining exit 5；Left filter chamber 8 will be used as work at this time
Make filter chamber, and right filter chamber 9 will be used as spare filter chamber；Then fuel oil to be cleaned is passed through from oil inlet 2 from secondary cleaner body 1, treated
Clean fuel oil premenstrual oil inlet passage 14, oil inlet cavity 26, left back oil inlet passage 13 can enter upper left filter chamber 81 successively, then pass through again
The first filter core 12 is crossed, it can be by the by the impurity that during the first filter core 12, contains in fuel oil to be cleaned in fuel oil to be cleaned
The filter opening of one filter core 12 intercepts filtering and is attached to the outer surface of the first filter core 12, and clean after the filtering of the first filter core 12
Fuel oil again successively inside the first filter core 12, first through hole 11 enter lower-left filter chamber 82, then successively through left back oil discharge passage 15, go out
Oil pocket road 28, preceding oil discharge passage 16 and oil outlet 3 are discharged, and complete fuel filter process；
During left filter chamber 8 is filtered fuel oil as work filter chamber, pressure difference alarm 29 can detect oil inlet 2 always
With the pressure difference between oil outlet 3；It is more than default peace when the detection of pressure difference alarm 29 obtains pressure difference between oil inlet 2 and oil outlet 3
During total head difference, the solenoid valve 243 that pressure difference alarm 29 can be into Pneumatic motor assembly 24 sends alarm signal, and solenoid valve 243 connects
It can control air motor 242 that switching valve 25 is made to commutate after receiving the alarm signal of the transmission of pressure difference alarm 29, when switching valve 25 changes
Oil inlet passage 21 is connected after the right side for communicating preceding oil inlet passage 14 with upper right filter chamber 91 is just turned to oil inlet cavity 26
Oil discharge passage 21 is connected behind the right side that logical, fuel-displaced cavity 28 just only communicates preceding oil discharge passage 16 with bottom right filter chamber 92, simultaneously
Just sealed positioned at stomata 252 on the first of left side by 7 inner wall of valve chamber, on the second of right side stomata 253 just only with
Inlet channel 22 is connected to each other connection, and the left back oil discharge passage 15 that air holes 257 is just only communicated with lower-left filter chamber 82 is opposite
Lead in succession, blowdown cavity 27 is just connected with drain outlet 23 and the left back oil inlet passage 13 that is communicated with upper left filter chamber 81 simultaneously
When, the cam 244 on 241 axle body of shaft can touch limit switch 245, and limit switch 245 can be to electricity after being touched with 244 phase of cam
Magnet valve 243 sends commutation signal in place, and solenoid valve 243 can stop switching valve 25 after receiving the signal in place that commutates, oil inlet at this time
Mouthfuls 2, preceding oil inlet passage 14, oil inlet cavity 26, it is right after oil inlet passage 20, upper right filter chamber 91, the second filter core 19, the second through hole 18,
Independence can be just collectively formed in oil discharge passage 21, fuel-displaced cavity 28, preceding oil discharge passage 16 and oil outlet 3 behind bottom right filter chamber 92, the right side
Filtration channel；And stomata 253, backwash cavity 251, air holes 257, a left side in back flushing air import 4, inlet channel 22, second
Lower filter chamber 82, first through hole 11, the first filter core 12, upper left filter chamber 81, blowdown cavity 27, drain outlet 23 and sewage draining exit 5 can be total to
With the backwash passage that formation is independent；So that right filter chamber 9 is used as work filter chamber, and left filter chamber 8 is used as spare filter chamber；At this time from
Oil inlet 2 is passed through the fuel oil to be cleaned from secondary cleaner body 1, understands oil inlet behind premenstrual oil inlet passage 14, oil inlet cavity 26, the right side successively
Passage 20, using the second filter core 19, during fuel oil to be cleaned is by the second filter core 19, is treated clear into upper right filter chamber 91
Filtering can be intercepted by the second filter core 19 and be attached to the outer surface of the second filter core 19 by washing the impurity contained in fuel oil, and by second
Clean product after the filtering of filter core 19 is again successively inside the second filter core 19, the second through hole 18 entrance bottom right filter chamber 92, then successively
Oil discharge passage 21, fuel-displaced cavity 28, preceding oil discharge passage 16 and oil outlet 3 are discharged behind the right side, complete fuel filter process；
It, can be simultaneously to gas bag backwash component 6 while limit switch 245 sends commutation signal in place to solenoid valve 243
Recoil valve sends backwash signal, and recoil valve can open gas bag certain time after receiving backwash signal, make gas bag to recoil
The high pressure gas of a period of time is blown in gas import 4, and the time can be automatically closed to rear recoil valve and stop continuing to blow high pressure gas, be blown in gas bag
During high pressure gas, high pressure gas can be successively through stomata 253, backwash cavity on back flushing air import 4, inlet channel 22, second
251st, air holes 257 is blown into lower-left filter chamber 82, so that the fuel oil being detained in lower-left filter chamber 82 recoils upwards from first through hole 11
Upper left filter chamber 81 outwards is poured into inside the first filter core 12, then from 12 inside of the first filter core, in fuel oil out of first filter core 12
During portion outwards pours upper left filter chamber 81, the fuel oil outwards gone out can rush the impurity for being attached to 12 outer surface of the first filter core
It walks, so as to complete the cleaning to the first filter core 12, the first filter core 12 is made to recover filtering function again, and take away the fuel oil meeting of impurity
It again through blowdown cavity 27, drain outlet 23 and sewage draining exit 5, then exports and discharges from blowdown valve 30, so as to complete the first filter core 12
Backwash process；
During right filter chamber 9 is filtered fuel oil as work filter chamber, pressure difference alarm 29 can also detect oil inlet always
Pressure difference between mouth 2 and oil outlet 3；When the detection of pressure difference alarm 29 obtain between oil inlet 2 and oil outlet 3 pressure difference be more than it is default
During safe pressure differential, the solenoid valve 243 that pressure difference alarm 29 can be into Pneumatic motor assembly 24 sends alarm signal, solenoid valve 243
It can control air motor 242 that switching valve 25 is made to commutate after receiving the alarm signal of the transmission of pressure difference alarm 29, when switching valve 25
Commutate to oil inlet cavity 26 13 phase of left back oil inlet passage for turning to and only communicating preceding oil inlet passage 14 with upper left filter chamber 81 again
Connection, fuel-displaced cavity 28 turn to again is only connected preceding oil discharge passage 16 with the left back oil discharge passage 15 that lower-left filter chamber 82 communicates
It is logical, while stomata 252 is just turned to only to be connected to each other with inlet channel 22 and connected, positioned at right side again on the first of left side
Second on stomata 253 just sealed again by 7 inner wall of valve chamber, and air holes 257 just turn to again only and bottom right
Behind the right side that filter chamber 92 communicates oil discharge passage 21 be connected to each other connection, blowdown cavity 27 just again simultaneously and drain outlet 23 and with the right side
When oil inlet passage 20 is connected behind the right side that upper filter chamber 91 communicates, the cam 244 on 241 axle body of shaft can touch limit switch 245,
Limit switch 245 can send commutation after being touched with 244 phase of cam to solenoid valve 243, and signal, solenoid valve 243 receive commutation in place
Can stop switching valve 25 after signal in place, at this time oil inlet 2, preceding oil inlet passage 14, oil inlet cavity 26, left back oil inlet passage 13,
It is upper left filter chamber 81, the first filter core 12, first through hole 11, lower-left filter chamber 82, left back oil discharge passage 15, fuel-displaced cavity 28, preceding fuel-displaced
Independent filtration channel is just collectively formed in passage 16 and oil outlet 3 again；And in back flushing air import 4, inlet channel 22, first
Stomata 252, backwash cavity 251, air holes 257, bottom right filter chamber 92, the second through hole 18, the second filter core 19, upper right filter chamber 91,
Independent backwash passage is collectively formed in blowdown cavity 27, drain outlet 23 and sewage draining exit 5 again；So that left filter chamber 8 is again
As work filter chamber, and right filter chamber 9 is used as spare filter chamber；The fuel oil to be cleaned from secondary cleaner body 1 is passed through from oil inlet 2 at this time
Premenstrual oil inlet passage 14, oil inlet cavity 26, left back oil inlet passage 13 it can enter upper left filter chamber 81 successively, then using the first filter
Core 12, during fuel oil to be cleaned is by the first filter core 12, the impurity contained in fuel oil to be cleaned can be again by the first filter
The filter opening of core 12 intercepts filtering and is attached to the outer surface of the first filter core 12, and the clean product after the filtering of the first filter core 12
Again successively inside the first filter core 12, the entrance lower-left filter chamber 82 of first through hole 11, then successively through left back oil discharge passage 15, oil outlet chamber
Road 28, preceding oil discharge passage 16 and oil outlet 3 are discharged, and complete fuel filter process；
It, can be simultaneously to gas bag backwash component 6 while limit switch 245 sends commutation signal in place to solenoid valve 243
Recoil valve sends backwash signal, and recoil valve can open gas bag certain time after receiving backwash signal, make gas bag to recoil
The high pressure gas of a period of time is blown in gas import 4, and the time can be automatically closed to rear recoil valve and stop continuing to blow high pressure gas, be blown in gas bag
During high pressure gas, high pressure gas can be successively through stomata 252, backwash cavity on back flushing air import 4, inlet channel the 22, the firstth
251st, air holes 257 is blown into bottom right filter chamber 92, so that the fuel oil being detained in bottom right filter chamber 92 recoils upwards from the second through hole 18
Upper right filter chamber 91 outwards is poured into inside the second filter core 19, then from 19 inside of the second filter core, in fuel oil out of second filter core 19
During portion outwards pours upper right filter chamber 91, the fuel oil outwards gone out can rush the impurity for being attached to 19 outer surface of the second filter core
It walks, so as to complete the cleaning to the second filter core 19, the second filter core 19 is made to recover filtering function again, and take away the fuel oil meeting of impurity
It again through blowdown cavity 27, drain outlet 23 and sewage draining exit 5, then exports and discharges from blowdown valve 30, so as to complete the second filter core 19
Backwash process；
Repeat aforesaid operations, you can to realize the automatic cleaning to filter core.
It is an advantage of the invention that：It is easy for operation, less energy consumption, energy online intermittent automatic cleaning filter core, cleaning efficiency
High and cleaning performance is good.
Claims (4)
1. self-cleaning fuel oil filter, it is characterised in that：Including from secondary cleaner body, from the top of secondary cleaner body front side wall
Be provided with oil inlet, lower part is provided with oil outlet, the top of secondary cleaner body rear wall is being provided with back flushing air import, lower part
Sewage draining exit is provided with, the gas bag for being provided with to blow high pressure gas to back flushing air import in back flushing air entrance backwashes component,
Set gradually from front to back from secondary cleaner body there are one the independent filter chambers side by side of valve chamber and two or so, each filter chamber it is interior
Portion is separated into upper filter chamber and lower filter chamber by partition plate, and filter chamber and lower filter in several connections are respectively arranged on the partition plate of each filter chamber
The through hole of chamber, the through hole of partition plate is separately installed with the filter core in filter chamber on corresponding in each filter chamber, from secondary cleaner sheet
The each upper filter chamber of body is connected respectively by oil inlet passage after one with valve chamber upper space, and valve chamber upper space passes through advance
Oily passage is connected with oil inlet, from each lower filter chamber of secondary cleaner body respectively by one after oil discharge passage and valve chamber lower part
Space is connected, and valve chamber lower space is connected respectively by preceding oil discharge passage with oil outlet, certainly clear between two filter chambers
It is disposed with to connect inlet channel, the Yi Jiyong of back flushing air import and valve chamber upper space in filter body from top to bottom
To connect the drain outlet of sewage draining exit and valve chamber lower space；Movable sealing is provided in valve chamber is driven by Pneumatic motor assembly
The switching valve of commutation is rotated, central axial in switching valve is provided with backwash cavity, in the upper portion side wall of switching valve radially
It sets there are two simultaneously with the upper stomata that communicates of backwash cavity, two above stomata energy alternate communication air inlets when switching valve commutate
Passage, is provided with oil inlet notch on the one side side wall of upper portion of conversion valve, and oil inlet notch forms independent oil inlet with valve chamber inner wall
Cavity, is provided with blowdown notch on the opposite side side wall of upper portion of conversion valve, and blowdown notch forms independent row with valve chamber inner wall
Dirty chamber, with being provided with fuel-displaced notch, fuel-displaced notch and valve chamber inner wall shape on the switching valve lower sides of oil inlet notch homonymy
Into independent fuel-displaced cavity, can be connected with being provided on the switching valve lower sides of blowdown notch homonymy with backwash cavity
Air holes, the switching valve every time by Pneumatic motor assembly driving commutation after, oil inlet cavity just only by preceding oil inlet passage with
The rear oil inlet passage that one filter chamber correspondence communicates is connected, fuel-displaced cavity is just only communicated preceding oil discharge passage is corresponding with the filter chamber
Rear oil discharge passage be connected, while a upper stomata be just only connected to each other with inlet channel connect, stomata is just on another
Sealed by valve chamber inner wall, and air holes just only the rear oil discharge passage communicated corresponding with another filter chamber be connected to each other connection,
Blowdown cavity is just connected with drain outlet and the rear oil inlet passage that is communicated with the filter chamber simultaneously.
2. self-cleaning fuel oil filter according to claim 1, it is characterised in that：It is useful being set from secondary cleaner body
To detect the pressure difference alarm of pressure difference between oil inlet and oil outlet, pressure difference alarm is connected with Pneumatic motor assembly signal, gas
Dynamic motor sub-assembly is connected with gas bag backwash component signals, when pressure difference alarm detects to obtain pressure difference between oil inlet and oil outlet
During more than default safe pressure differential, pressure difference alarm can send alarm signal to Pneumatic motor assembly, and Pneumatic motor assembly receives
Switching valve can be controlled to commutate after alarm signal, and after switching valve commutates in place, Pneumatic motor assembly can control stopping to convert
Valve simultaneously sends backwash signal to gas bag backwash component, and gas bag backwash component can be by default after receiving backwash signal
Time blows high pressure gas to back flushing air import.
3. self-cleaning fuel oil filter according to claim 2, it is characterised in that：Gas bag backwash component include gas bag and
Control the recoil valve of gas bag opening and closing；Pneumatic motor assembly includes：It is fixedly and coaxially connected with switching valve and upper end protrudes from clearly upwards
The shaft of filter body, to drive shaft rotate air motor, to control air motor and with pressure difference alarm signal
The solenoid valve of connection, the cam being arranged at shaft upper shaft and it is arranged at energy and cam from secondary cleaner bodies top
Match the limit switch for merging and being connected with recoil valve and solenoid signal；When solenoid valve receives the alarm of pressure difference alarm transmission
Switching valve can be controlled to commutate after signal, and after switching valve commutates in place, the cam on shaft axle body can touch limit switch,
Limit switch can be sent after mutually being touched with cam to solenoid valve to commutate signal in place and sends backwash signal, electricity to recoil valve
Magnet valve can stop switching valve after receiving the signal in place that commutates, and recoil valve can open one timing of gas bag after receiving backwash signal
Between, realize recoil cleaning.
4. according to the self-cleaning fuel oil filter described in claim 1 or 2 or 3, it is characterised in that：The row of being provided at sewage draining exit
Dirty valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711343977.3A CN108067026B (en) | 2017-12-15 | 2017-12-15 | Self-cleaning fuel filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711343977.3A CN108067026B (en) | 2017-12-15 | 2017-12-15 | Self-cleaning fuel filter |
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| Publication Number | Publication Date |
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| CN108067026A true CN108067026A (en) | 2018-05-25 |
| CN108067026B CN108067026B (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711343977.3A Active CN108067026B (en) | 2017-12-15 | 2017-12-15 | Self-cleaning fuel filter |
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| CN (1) | CN108067026B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109695507A (en) * | 2018-08-30 | 2019-04-30 | 中国船舶重工集团公司第七0七研究所九江分部 | A kind of fuel oil filter applied to gas turbine |
| CN111408181A (en) * | 2020-04-10 | 2020-07-14 | 中国船舶重工集团公司第七0三研究所 | Fuel filter applied to gas turbine |
| CN114962099A (en) * | 2021-12-22 | 2022-08-30 | 中国船舶重工集团公司第七一一研究所 | High-power diesel engine fuel oil pretreatment system |
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| DE202005018853U1 (en) * | 2005-12-01 | 2007-04-05 | Boll & Kirch Filterbau Gmbh | Reversible flow filter for fluids such as water, oil and fuel, has cleaning body moving up and down in each filter element, restricted by stops near each end and with annular gap between cleaning body and filter wall |
| CN201283239Y (en) * | 2008-10-21 | 2009-08-05 | 王兴君 | Fully automatic backwashing fuel filter |
| CN104405547A (en) * | 2014-11-04 | 2015-03-11 | 张家港圣美意机械有限公司 | Duplex filter for filtering fuel oil |
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| US5871652A (en) * | 1995-08-04 | 1999-02-16 | Pipetronics, Inc. | Method for high volume pipeline water filtration |
| DE202005018853U1 (en) * | 2005-12-01 | 2007-04-05 | Boll & Kirch Filterbau Gmbh | Reversible flow filter for fluids such as water, oil and fuel, has cleaning body moving up and down in each filter element, restricted by stops near each end and with annular gap between cleaning body and filter wall |
| CN201283239Y (en) * | 2008-10-21 | 2009-08-05 | 王兴君 | Fully automatic backwashing fuel filter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109695507A (en) * | 2018-08-30 | 2019-04-30 | 中国船舶重工集团公司第七0七研究所九江分部 | A kind of fuel oil filter applied to gas turbine |
| CN111408181A (en) * | 2020-04-10 | 2020-07-14 | 中国船舶重工集团公司第七0三研究所 | Fuel filter applied to gas turbine |
| CN114962099A (en) * | 2021-12-22 | 2022-08-30 | 中国船舶重工集团公司第七一一研究所 | High-power diesel engine fuel oil pretreatment system |
| CN114962099B (en) * | 2021-12-22 | 2024-06-18 | 中国船舶集团有限公司第七一一研究所 | Fuel pretreatment system of high-power diesel engine |
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| Publication number | Publication date |
|---|---|
| CN108067026B (en) | 2023-08-01 |
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