CN109550296A - A kind of heat treating oil centrifugal filtration forward filtering net flushing mechanism - Google Patents
A kind of heat treating oil centrifugal filtration forward filtering net flushing mechanism Download PDFInfo
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- CN109550296A CN109550296A CN201811511355.1A CN201811511355A CN109550296A CN 109550296 A CN109550296 A CN 109550296A CN 201811511355 A CN201811511355 A CN 201811511355A CN 109550296 A CN109550296 A CN 109550296A
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- pipe
- tube
- valve
- outer tube
- backwash
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- 238000001914 filtration Methods 0.000 title claims abstract description 53
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 39
- 239000010732 heat treating oil Substances 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 title claims abstract description 23
- 239000003921 oil Substances 0.000 claims abstract description 40
- 238000010791 quenching Methods 0.000 claims abstract description 24
- 230000000171 quenching effect Effects 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 238000005452 bending Methods 0.000 claims abstract description 3
- 239000002184 metal Substances 0.000 claims description 44
- 229910052751 metal Inorganic materials 0.000 claims description 44
- 230000008676 import Effects 0.000 claims description 25
- 239000010865 sewage Substances 0.000 claims description 25
- 239000012535 impurity Substances 0.000 claims description 13
- 239000000945 filler Substances 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000605 extraction Methods 0.000 abstract description 8
- 230000002457 bidirectional effect Effects 0.000 abstract description 4
- 238000009991 scouring Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 10
- 238000006073 displacement reaction Methods 0.000 description 9
- 239000007788 liquid Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 229910001563 bainite Inorganic materials 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 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
- B01D29/56—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
- B01D29/11—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
- B01D29/336—Self-supporting filtering elements arranged for inward flow filtration open-ended, the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element
-
- 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
-
- 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
Abstract
A kind of heat treating oil centrifugal filtration forward filtering net flushing mechanism of the present invention discloses one kind and is filtered in extraction process to quenching oil by easy-to-dismount filter structure, and the structure of positive and negative bidirectional flushing can be carried out to filter structure.It is able to carry out two-way flushing deslagging, scouring effect is more preferable.It is characterized in that connecting tube one end is placed in the middle part of outer tube one end, and it is connected with outer tube, sealing ring is equipped on described connecting tube one end, and between connecting tube one end and outer tube one end inner wall, first communicating valve is placed on the connecting tube other end, ingress pipe one end is placed on the first communicating valve, jointing is equipped on the ingress pipe other end, the outside bending of the outer tube other end, fixing pipe one end is connected by clip with the outer tube other end, the outer tube other end is uncovered structure, filter sieve tube is placed in outer tube, described filter sieve tube one end is equipped with connecting plate, and it is placed between the outer tube other end and fixing pipe one end.
Description
Technical field
A kind of heat treating oil centrifugal filtration forward filtering net flushing mechanism of the present invention is related to a kind of to the discarded quenching of heat treatment
When oil carries out centrifugal filtration extraction, structure that prefilter structure is backwashed.Belong to the field of metal processing.In particular to
One kind is filtered quenching oil in extraction process by easy-to-dismount filter structure, and can carry out just to filter structure
The structure of anti-bidirectional flushing.
Background technique
Currently, in order to improve the mechanical structure of product, optimizing material property in metal product process, meeting various
The requirement of machine components and tool, it will usually be quenched, in quenching process, in ironcasting overcooling austenite into
Row martensite or bainite transformation obtain martensite or bainite structure, to change institutional framework, ironcasting is heated to Austria
It in family name's body temperature, is then placed in hardening media, due to being quickly cooled down after heating, so that Iron Casting Surface wears stress, meeting
There are a large amount of surface iron filings to fall off in hardening media, influences the use of hardening media, it is existing that hardening media was carried out
Filter mostly uses centrifugal filtration, and the impurity particle in discarded quenching oil is filtered, when being filtered, needs to pass through the pump housing
Oil is drawn into concentrator bowl, in extraction process, due to containing more metal impurities, work in increasing pump body in oil
Load, or even fever burning machine influence the service life of the pump housing, therefore can extract front end in the pump housing and increase filter sieve tube, utilize sieve
Pipe is to internal large granular impurity into filtering, but it in a large amount for the treatment of process, screen casing is easy to block, and influences to filter
Efficiency needs to carry out disassembly cleaning, and in disassembly process, internal greasy dirt drippage, the attachment cleaning of the foreign matters such as impurity is difficult, bothersome
Arduously, it can not be directly rinsed cleaning using oil, existing some back-flushing structures are not accounted for miscellaneous in flushing liquor
Matter is filtered, and is usually cleaned impurity from the back flush of the screen casing other side by cleaning solution, but have in cleaning solution miscellaneous
Matter then remains in the screen casing other side, and when being filtered, the impurity of the part is entered in the pump housing, influences the work of the pump housing.
Publication number CN204815898U discloses a kind of residual oil automatic back flush filtration system, including multiple backwashed
Filter, inlet port and outlet port are provided on the backwash filter, and the backwash filter first line of a couplet is connected to residual oil input
Pipe, residual oil efferent duct, displacement liquid input pipe, displacement liquid efferent duct, feed inlet are connected in parallel on residual oil input pipe, and discharge port is connected in parallel on
On residual oil efferent duct, technical points are: an inlet valve are respectively arranged on each feed inlet, the displacement liquid is defeated
The outlet valve for controlling whole backwash filter dischargings is separately provided in outlet pipe, displacement liquid input pipe is connected in residual oil input
Guan Shang, and a displacement liquid transfer valve is provided on the displacement liquid input pipe, it is defeated that the displacement liquid efferent duct is connected in residual oil
In outlet pipe, and a displacement liquid delivery valve is provided on the displacement liquid efferent duct, the apparatus structure is complicated, maintenance, replacement effect
Rate is low, and back flush complex procedures, and the forward filtering net of heat treating oil is used and is mismatched, can not preferably be carried out
The cleaning of forward filtering net is rinsed.
Summary of the invention
In order to improve above situation, a kind of heat treating oil centrifugal filtration forward filtering net flushing mechanism of the present invention provides one
Kind is filtered quenching oil in extraction process by easy-to-dismount filter structure, and can carry out to filter structure positive and negative
The structure of bidirectional flushing.It is able to carry out two-way flushing deslagging, scouring effect is more preferable.
A kind of heat treating oil centrifugal filtration forward filtering net flushing mechanism of the present invention is achieved in that a kind of heat of the present invention
Oily centrifugal filtration forward filtering net flushing mechanism is handled by ingress pipe, the first communicating valve, connecting tube, outer tube, filter sieve tube, card
Hoop, fixing pipe, backwash import connector, the second valve body, straight-through valve, sewage pipe, blowdown valve, sealing ring, metal tube, filter screen and
Branch filler ring composition, connecting tube one end is placed in the middle part of outer tube one end, and is connected with outer tube, is equipped on described connecting tube one end
Sealing ring, and between connecting tube one end and outer tube one end inner wall, the first communicating valve is placed on the connecting tube other end, is imported
Pipe one end is placed on the first communicating valve, is equipped with jointing on the ingress pipe other end, and the outer tube other end is to being folded outward
Curved, fixing pipe one end is connected by clip with the outer tube other end, and the outer tube other end is uncovered structure, filter sieve tube
It being placed in outer tube, described filter sieve tube one end is equipped with connecting plate, and is placed between the outer tube other end and fixing pipe one end,
Multiple lautertuns being provided on the filter sieve tube lateral surface, and the lautertuns of a row is one group, the lautertuns is strip groove, and
Width is gradually reduced from outside to inside, and a distance, the fixing pipe are equipped between the filter sieve tube outer wall and outer sleeve inner wall
The diameter of one end is greater than the diameter of the fixing pipe other end, and backwash imports connector and is placed on the fixing pipe other end, the backwash
It importing in the upper inside walls and downside inner wall of connector and is equipped with a branch filler ring respectively, filter screen is placed in backwash and imports in connector,
The filter screen is cylindrical structure, and centre is wide, both ends are narrow, and the both ends of the filter screen are equipped with connection ring respectively, and respectively
It is placed on backwash to import on the branch filler ring on connector upper inside walls and downside inner wall, the backwash imports connector side and is equipped with
Delivery line, the delivery line and backwash import connector and are connected, and the second valve body are equipped on the delivery line, sewage pipe one end is set
It is connected in outer sleeve bottom, and with outer tube, sealing shroud is equipped on described sewage pipe one end, and be affixed with housing pipe outer wall
It closes, blowdown valve is equipped on the sewage pipe, metal tube one end imports connector with backwash by connecting component and is connected, the gold
Belong to the pipe other end and be divided into two strands, forms two branched pipes, and one of branched pipe is connected by connecting component with ingress pipe,
Another branched pipe is connected by connecting component with sewage pipe, is equipped with straight-through valve on the branched pipe, the connecting component by
Branch pipe connection, stop collar, gasket, fastening blind nut and connecting base plate form, and are equipped with stop collar on the branch pipe connection inner sidewall,
Connecting base plate is placed on metal tube, and is placed in branch pipe connection, is equipped with gasket on the connecting base plate, and with stop collar phase
Contact, fastening blind nut are placed on metal tube, and with bolt on the outside of branch pipe connection, the diameter of the metal tube is less than ingress pipe
Diameter, the diameter of the metal tube be import pipe diameter a quarter.
Beneficial effect.
One, direction flushing can be carried out to filter sieve tube and filter screen by quenching oil, improved service life.
Two, the oil of back flush can be filtered.
Three, it is able to carry out two-way flushing deslagging, scouring effect is more preferable.
Four, structure is simple, and it is convenient that dismounting and change filters network management.
Detailed description of the invention
A kind of structural schematic diagram of heat treating oil centrifugal filtration forward filtering net flushing mechanism of Fig. 1 present invention.
A kind of three-dimensional structure diagram figure of heat treating oil centrifugal filtration forward filtering net flushing mechanism clip of Fig. 2 present invention.
A kind of Fig. 3 heat treating oil centrifugal filtration forward filtering net flushing mechanism metal tube of the present invention and other pipe link positions
The stereo-resolution figure of connecting component.
A kind of structural schematic diagram of heat treating oil centrifugal filtration forward filtering net flushing mechanism filter screen of Fig. 4 present invention.
A kind of three-dimensional structure diagram of heat treating oil centrifugal filtration forward filtering net flushing mechanism filter sieve tube of Fig. 5 present invention.
A kind of three-dimensional structure diagram of heat treating oil centrifugal filtration forward filtering net flushing mechanism sealing ring of Fig. 6 present invention.
In attached drawing
Wherein part are as follows: ingress pipe (1), the first communicating valve (2), connecting tube (3), outer tube (4), filter sieve tube (5), clip
(6), fixing pipe (7), backwash import connector (8), the second valve body (9), straight-through valve (10), sewage pipe (11), blowdown valve (12),
Sealing ring (13), metal tube (14), filter screen (15), branch pipe connection (16), stop collar (17), gasket (18) fasten blind nut
(19), connecting base plate (20), branch filler ring (21).
Specific embodiment:
A kind of heat treating oil centrifugal filtration forward filtering net flushing mechanism of the present invention is achieved in that by ingress pipe (1), first
Communicating valve (2), connecting tube (3), outer tube (4), filter sieve tube (5), clip (6), fixing pipe (7), backwash import connector
(8), the second valve body (9), straight-through valve (10), sewage pipe (11), blowdown valve (12), sealing ring (13), metal tube (14), filter screen
(15) it being formed with branch filler ring (21), connecting tube (3) one end is placed in the middle part of outer tube (4) one end, and is connected with outer tube (4),
It is equipped with sealing ring (13) on described connecting tube (3) one end, and between connecting tube (3) one end and outer tube (4) one end inner wall,
First communicating valve (2) is placed on connecting tube (3) other end, and ingress pipe (1) one end is placed on the first communicating valve (2), the importing
It is equipped with jointing, the outside bending of outer tube (4) other end on pipe (1) other end, fixing pipe (7) one end passes through clip
(6) it is connected with outer tube (4) other end, outer tube (4) other end is uncovered structure, and filter sieve tube (5) is placed in housing
It manages in (4), described filter sieve tube (5) one end is equipped with connecting plate, and is placed in outer tube (4) other end and fixing pipe (7) one end
Between, multiple lautertuns are provided on filter sieve tube (5) lateral surface, and the lautertuns of a row is one group, the lautertuns is
Strip groove, and width is gradually reduced from outside to inside, is equipped with one section between filter sieve tube (5) outer wall and outer tube (4) inner wall
Distance, the diameter of described fixing pipe (7) one end are greater than the diameter of fixing pipe (7) other end, and backwash imports connector (8) and is placed in admittedly
On fixed pipe (7) other end, it is equipped with a branch filler ring respectively in the upper inside walls and downside inner wall of backwash importing connector (8)
(21), filter screen (15) is placed in backwash and imports in connector (8), and the filter screen (15) is cylindrical structure, and it is intermediate it is wide, two
Hold narrow, the both ends of the filter screen (15) are equipped with connection ring respectively, and are placed on backwash respectively and import connector (8) upper inside walls
On the branch filler ring (21) on the inner wall of downside, the backwash imports connector (8) side and is equipped with delivery line, the delivery line and anti-
It rinses importing connector (8) to be connected, be equipped on the delivery line the second valve body (9), sewage pipe (11) one end is placed in outer tube (4)
Bottom, and being connected with outer tube (4), is equipped with sealing shroud on described sewage pipe (11) one end, and with outer tube (4) outer wall phase
It is bonded, is equipped with blowdown valve (12) on the sewage pipe (11), metal tube (14) one end is imported by connecting component and backwash and connect
Head (8) is connected, and metal tube (14) other end is divided into two strands, forms two branched pipes, and one of branched pipe passes through
Connecting component is connected with ingress pipe (1), another branched pipe is connected by connecting component with sewage pipe (11), the branch
It is equipped on pipe straight-through valve (10), the connecting component is by branch pipe connection (16), stop collar (17), gasket (18), fastening blind nut
(19) it forms with connecting base plate (20), is equipped with stop collar (17) on branch pipe connection (16) inner sidewall, connecting base plate (20) set
It is placed on metal tube (14), and is placed in branch pipe connection (16), be equipped with gasket (18) on the connecting base plate (20), and and limit
Position ring (17) be in contact, fastening blind nut (19) be placed on metal tube (14), and with branch pipe connection (16) on the outside of bolt, it is described
The diameter of metal tube (14) is less than the diameter of ingress pipe (1), and the diameter of the metal tube (14) is four points of ingress pipe (1) diameter
One of.
In use, ingress pipe (1) other end is connected by jointing with oil pipe when being filtered to quenching oil
It connects, the delivery line other end is connected with oil well pump, it then will be straight on (14) two branched pipes of blowdown valve (12) and metal tube
Port valve (10) is closed, and the first communicating valve (2) and the second valve body (9) are opened, and quenching oil enters in ingress pipe (1), is then led to
The first communicating valve (2) is crossed to enter in connecting tube (3), it is interior then into outer tube (4), after filter sieve tube (5) filtering, into
Enter into fixing pipe (7), and then filter sieve tube (5) falls the contaminant filter in oil, filtered oil enters backwash and imports
In connector (8), after the filter screen (15) imported in connector (8) through backwash filters again, extracted out by delivery line by oil well pump,
When filter sieve tube (5) blocking needs to be rinsed, the first communicating valve (2) and the second valve body (9) are closed, by blowdown valve (12)
It is opened with the straight-through valve (10) on the branched pipe of metal tube (14) connection ingress pipe (1), metal tube (14) is connected into sewage pipe
(11) straight-through valve (10) on branched pipe is closed, and the oil in ingress pipe (1) enters backwash by metal tube (14) and imports
In connector (8), the filter screen (15) that oil imports in connector (8) backwash washes away, and enters to by fixing pipe (7)
In outer tube (4), filter sieve tube (5) is washed away from a side to the other side, it will be attached on filter sieve tube (5) and filter screen (15)
The impurity impurity that washes away, and wash away be discharged by sewage pipe (11), after backwash, by blowdown valve (12)
It is closed with the straight-through valve (10) on the second valve body (9) and the branched pipe of metal tube (14) connection ingress pipe (1), then by first
Straight-through valve (10) on communicating valve (2) and the branched pipe of metal tube (14) connection sewage pipe (11) is opened, and quenching oil passes through importing
Pipe (1) and the first communicating valve (2) and connecting tube (3) enter in outer tube (4), then to filter sieve tube (5) and filter screen
(15) it carries out forward direction to wash away, the impurity washed away is entered in sewage pipe (11) by metal tube (14), is then discharged out, Jin Erneng
Washing away for positive and negative both direction is enough carried out, scouring effect is more preferable, after carrying out dismounting and change to filter sieve tube (5), by clip (6)
It opens, fixing pipe (7) and outer tube (4) is separated, then filter sieve tube (5) are taken out and are replaced, are changed convenient and efficient；
It is equipped with sealing ring (13) on described connecting tube (3) one end, and is located at connecting tube (3) one end and outer tube (4) one end inner wall
Between design, can be sealed between connecting tube (3) and outer tube (4), avoid outer tube (4) interior quenching oil leakage；
The lautertuns is strip groove, and the design that width is gradually reduced from outside to inside is convenient for when being backwashed by impurity
It is washed away out of lautertuns；
It is equipped with the design of a distance between filter sieve tube (5) outer wall and outer tube (4) inner wall, leaves a blank in advance for quenching oil
Between, enter quenching oil in filter sieve tube (5) by the space and is filtered；
The filter screen (15) is cylindrical structure, and design intermediate wide, that both ends are narrow, filter screen (15) medium position and quenching
The contact of oil is more, and then keeps filter screen (15) medium position area larger, and then improves filter effect；
Sealing shroud, and the design to fit with outer tube (4) outer wall are equipped on described sewage pipe (11) one end, it can be to blowdown
Pipe (11) and outer tube (4) link position is sealed, and quenching oil is avoided to leak
The diameter of the metal tube (14) is less than the design of the diameter of ingress pipe (1), by the variation of flow area, changes quenching
The flow velocity of oil, and then keep the flushing strength to filter screen (15) and filter sieve tube (5) bigger, flushing effect is more preferable；
The metal tube (14) and ingress pipe (1) cooperation, can backwash filter sieve tube (5), improve filter sieve tube (5)
Service life；
The outer tube (4) and fixing pipe (7) pass through the design that clip (6) are connected and fixed, convenient for tearing open to filter sieve tube (5)
It unloads, it is convenient for disassembly and assembly；
The filter sieve tube (5) and outer tube (4) cooperation, can avoid to being filtered in quenching oil extraction process to oil pumping
Pump damages；
When extraction, the first communicating valve (2) and the second valve body (9) are opened, closes the design of blowdown valve (12) and straight-through valve (10), energy
It flows quenching oil along filter sieve tube (5), and then quenching oil can be filtered in flow process, impurity is avoided to damage
Bad oil well pump；
When backwash, opens the first communicating valve (2), blowdown valve (12) and metal tube (14) and connect on the branched pipe of ingress pipe (1)
Straight-through valve (10), close the straight-through valve (10) that the second valve body (9) and metal tube (14) connect the branched pipe of sewage pipe (11)
Design can be such that quenching oil backwashes by metal tube (14) to filter sieve tube (5) and filter screen (15), by filter sieve tube
(5) impurity on washes away, and improves service life；
When forward direction is washed away, the branch of the first communicating valve (2), the second valve body (9) and metal tube (14) connection sewage pipe (11) is opened
Straight-through valve (10) on pipe closes the straight-through valve on the branched pipe of blowdown valve (12) and metal tube (14) connection ingress pipe (1)
(10) design can make quenching oil carry out positive flushing to filter sieve tube (5) and filter screen (15), and then can be to filter screen
It manages (5) and filter screen (15) carries out bidirectional flushing, improve flushing effect；
Reach and quenching oil be filtered in extraction process by easy-to-dismount filter structure, and can to filter structure into
The purpose of the positive and negative bidirectional flushing of row.
Claims (9)
1. a kind of heat treating oil centrifugal filtration forward filtering net flushing mechanism, it is characterized in that: by ingress pipe, the first communicating valve, connecting
Adapter tube, outer tube, filter sieve tube, clip, fixing pipe, backwash import connector, the second valve body, straight-through valve, sewage pipe, blowdown
Valve, sealing ring, metal tube, filter screen and branch filler ring composition, connecting tube one end are placed in the middle part of outer tube one end, and with outer tube phase
It is connected to, is equipped with sealing ring on described connecting tube one end, and between connecting tube one end and outer tube one end inner wall, the first connection
Valve is placed on the connecting tube other end, and ingress pipe one end is placed on the first communicating valve, is equipped with connection on the ingress pipe other end and is connect
Head, fixing pipe one end are connected by clip with the outer tube other end, and the outer tube other end is uncovered structure, filter sieve tube
It being placed in outer tube, described filter sieve tube one end is equipped with connecting plate, and is placed between the outer tube other end and fixing pipe one end,
Multiple lautertuns are provided on the filter sieve tube lateral surface, and the lautertuns of a row is one group, the diameter of described fixing pipe one end
Greater than the diameter of the fixing pipe other end, backwash imports connector and is placed on the fixing pipe other end, and the backwash imports connector
A branch filler ring is equipped in upper inside walls and downside inner wall respectively, filter screen is placed in backwash and imports in connector, the filter screen
Both ends be equipped with connection ring respectively, and be placed on the branch filler ring that backwash imports on connector upper inside walls and downside inner wall respectively
On, the backwash imports connector side and is equipped with delivery line, and the delivery line imports connector with backwash and is connected, the export
The second valve body is equipped on pipe, sewage pipe one end is placed in outer sleeve bottom, and is connected with outer tube, the row of being equipped on the sewage pipe
Dirty valve, metal tube one end import connector with backwash by connecting component and are connected, and the metal tube other end is divided into two strands, shape
At two branched pipes, and one of branched pipe is connected by connecting component with ingress pipe, another branched pipe passes through connection
Component is connected with sewage pipe, straight-through valve is equipped on the branched pipe, the connecting component is by branch pipe connection, stop collar, sealing
Pad, fastening blind nut and connecting base plate form, and are equipped with stop collar on the branch pipe connection inner sidewall, connecting base plate is placed on metal tube
On, and be placed in branch pipe connection, gasket is equipped on the connecting base plate, and be in contact with stop collar, fastening blind nut is placed on
On metal tube, and with bolt on the outside of branch pipe connection.
2. a kind of heat treating oil centrifugal filtration forward filtering net flushing mechanism according to claim 1, it is characterised in that institute
State the outside bending of the outer tube other end.
3. a kind of heat treating oil centrifugal filtration forward filtering net flushing mechanism according to claim 1, it is characterised in that institute
It states and is equipped with a distance between filter sieve tube outer wall and outer sleeve inner wall.
4. a kind of heat treating oil centrifugal filtration forward filtering net flushing mechanism according to claim 1, it is characterised in that institute
Stating lautertuns is strip groove, and width is gradually reduced from outside to inside.
5. a kind of heat treating oil centrifugal filtration forward filtering net flushing mechanism according to claim 1, it is characterised in that institute
Stating filter screen is cylindrical structure, and centre is wide, both ends are narrow.
6. a kind of heat treating oil centrifugal filtration forward filtering net flushing mechanism according to claim 1, it is characterised in that institute
It states and is equipped with sealing shroud on sewage pipe one end, and fit with housing pipe outer wall.
7. a kind of heat treating oil centrifugal filtration forward filtering net flushing mechanism according to claim 1, it is characterised in that institute
The diameter for stating metal tube is less than the diameter of ingress pipe.
8. a kind of heat treating oil centrifugal filtration forward filtering net flushing mechanism according to claim 7, it is characterised in that institute
The diameter for stating metal tube is a quarter for importing pipe diameter.
9. a kind of heat treating oil centrifugal filtration forward filtering net flushing mechanism according to claim 1, it is characterised in that punching
When washing, open the first communicating valve, blowdown valve and connect the straight-through valve on the branched pipe of ingress pipe with metal tube, close the second valve body with
Metal tube connects the straight-through valve of the branched pipe of sewage pipe, and quenching oil can be made to carry out by metal tube to filter sieve tube and filter screen
Backwash, the impurity on filter sieve tube is washed away, and when forward direction is washed away, is opened the first communicating valve, the second valve body and metal tube and is connected
The straight-through valve on the branched pipe of sewage pipe is connect, blowdown valve is closed and connects the straight-through valve on the branched pipe of ingress pipe, energy with metal tube
So that quenching oil is carried out positive flushing to filter sieve tube and filter screen, and then two-way punching can be carried out to filter sieve tube and filter screen
It washes.
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| CN201811511355.1A CN109550296A (en) | 2018-12-11 | 2018-12-11 | A kind of heat treating oil centrifugal filtration forward filtering net flushing mechanism |
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