CN108404501A - A kind of petroleum drilling fluid secondary filter exclusion device - Google Patents

A kind of petroleum drilling fluid secondary filter exclusion device Download PDF

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Publication number
CN108404501A
CN108404501A CN201810571218.0A CN201810571218A CN108404501A CN 108404501 A CN108404501 A CN 108404501A CN 201810571218 A CN201810571218 A CN 201810571218A CN 108404501 A CN108404501 A CN 108404501A
Authority
CN
China
Prior art keywords
drilling fluid
strainer
rose box
filter
driving motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201810571218.0A
Other languages
Chinese (zh)
Inventor
谢文方
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shiyan Siyuan Forestry Science And Technology Co Ltd
Original Assignee
Shiyan Siyuan Forestry Science And Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shiyan Siyuan Forestry Science And Technology Co Ltd filed Critical Shiyan Siyuan Forestry Science And Technology Co Ltd
Priority to CN201810571218.0A priority Critical patent/CN108404501A/en
Publication of CN108404501A publication Critical patent/CN108404501A/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/01Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
    • B01D33/03Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements
    • B01D33/0346Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with flat filtering elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/35Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
    • B01D33/41Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in series connection
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/44Regenerating the filter material in the filter
    • B01D33/52Regenerating the filter material in the filter by forces created by movement of the filter element
    • B01D33/54Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/70Filters with filtering elements which move during the filtering operation having feed or discharge devices
    • B01D33/74Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging filtrate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/80Accessories
    • B01D33/801Driving means, shaft packing systems or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/80Accessories
    • B01D33/802Device for changing the inclination of the filtering element

Abstract

The invention discloses a kind of petroleum drilling fluid secondary filter exclusion devices, including pedestal, Rose Box, primary strainer, secondary strainer, the second driving motor, special shape gear, winding roller and collecting box, the lower section of the fixed plate and translatory slides is equipped with primary strainer, it is also slidably fitted with sliding block on the column, secondary strainer is connected between the sliding block of the left and right sides, the aperture of secondary strainer is less than the aperture of filter cloth.By changing the angle of inclination of primary strainer, to play the role of shake, the speed that drilling fluid filters on primary strainer is on the one hand improved, on the one hand can also preventing drilling fluid, there is a situation where plug-holes in filtering;Pass through the up-down vibration of secondary strainer, to greatly improve the speed that drilling fluid filters on secondary strainer, secondary strainer up-down vibration can preferably prevent drilling fluid from being condensed in secondary screen surface compared to static secondary strainer simultaneously, and drilling fluid is effectively avoided to block secondary strainer, simple and effective.

Description

A kind of petroleum drilling fluid secondary filter exclusion device
Technical field
The present invention relates to oil field, specifically a kind of petroleum drilling fluid secondary filter exclusion device.
Background technology
Oil plays very important effect in economic construction, is the basis of Chinese national economy, in the every thing of development It being play an important role in industry, petro chemical industry is the infrastructural industries in China, and it is exactly drilling fluid to exploit most common when oil, Drilling fluid (original claims mud) refers to the working fluid used in drilling well, it can be liquid or gas, and therefore, drilling fluid should be definite Ground is known as drilling fluid, during drilling for oil, the circulation flushing medium used in hole, also known as drilling fluid;Drilling fluid It can be divided into clear water, mud, free clay phase flushing liquor, emulsion, foam and compressed air etc. by constituent;Clear water is using most Early drilling fluid, easy to use without processing, suitable for complete rock stratum and the area having abundant water resources, mud is widely used Drilling fluid is primarily adapted for use in the hole walls unstable formations such as loose, cranny development, easy collapsing and breaking, water-swellable peeling, drilling fluid Screening removal impurity is carried out after usage, then is utilized.
Existing petroleum drilling fluid filter device often occurs filtering halfway situation in filtering, and filtered The case where impurity being easy to happen in journey in drilling fluid blocks filter opening.
Invention content
The purpose of the present invention is to provide a kind of petroleum drilling fluid secondary filter exclusion devices, to solve above-mentioned background technology The problem of middle proposition.
To achieve the above object, the present invention provides the following technical solutions:
A kind of petroleum drilling fluid secondary filter exclusion device, including pedestal, Rose Box, primary strainer, secondary strainer, the second driving Motor, special shape gear, winding roller and collecting box are mounted by means of screws with Rose Box on the pedestal, the Rose Box It is also mounted by means of screws with fixed plate in inner left wall, translatory slides are slidably fitted on the right side casing of Rose Box, Gu Fixed board in the same horizontal line, is also associated with resetting spring, the fixed plate with translatory slides between fixed plate and translatory slides It is equipped with primary strainer with the lower section of translatory slides, the both sides of primary strainer are respectively hinged at the downside of fixed plate and translatory slides, The translatory slides level to the right and is pierced by Rose Box, and fixed plate is also installed by welding in the Rose Box outer right wall, fixed Be fixed by the bracket on plate and the first driving motor be installed, the output shaft of the first driving motor forward and the first driving motor it is defeated Interference fit is equipped with runner on shaft, and the outer circle of runner, which is equipped with, tilts shifting block, tilts shifting block and at least provided with three groups and inclines Oblique outer circle central circular array distribution of the shifting block about runner is additionally provided with block on the downside of the translatory slides, is located at translation and slides Block on plate is adapted with the inclination shifting block in runner outer circle.
The Rose Box bottom is also fixedly welded at least two groups column, and column top screw thread is equipped with jacking block, described vertical It is also slidably fitted with sliding block on column, secondary strainer is connected between the sliding block of the left and right sides, the aperture of secondary strainer is less than The aperture of filter cloth is also associated with spring between the sliding block upside and jacking block downside, and column is passed through from spring inner center, described Rose Box bottom is additionally provided with device Rose Box, and the second driving motor, the second driving motor are installed with inside device Rose Box Output shaft forward and the output shaft of the second driving motor be equipped with special shape gear, the output of special shape gear and the second driving motor It is interference fit between axis, first gear and the second tooth is also rotatablely equipped with respectively by shaft at left and right sides of the special shape gear It takes turns, interference fit is equipped with winding roller, the sliding block positioned at the left and right sides and first gear and second gear in the shaft On winding roller between be respectively connected with draught line.
As a further solution of the present invention:Opposite opened switch gate is hingedly installed on front side of the Rose Box.
As further scheme of the invention:The inlet tube is cylindrical plastic hard tube, and inlet tube upper end is tapped with outer Screw thread, the mode that inlet tube upper end is connected through a screw thread are connect with external conveying pipeline, and the lower end of inlet tube is stretched into inside Rose Box.
As further scheme of the invention:The primary screen surface is equipped with round filter opening.
As further scheme of the invention:It is also associated with spring, column between on the upside of the sliding block and on the downside of jacking block It is passed through from spring inner center.
As further scheme of the invention:The motor model of second driving motor is Y112M-2.
As further scheme of the invention:Teeth portion on the special shape gear is divide into upper part and lower part, special shape gear Upper and lower two-part number of teeth amount is identical.
As further scheme of the invention:The motor model of second driving motor is Y112M-2.
As further scheme of the invention:The first gear is identical with the specification of second gear.
As further scheme of the invention:The Rose Box bottom is also arranged with support column, and support column passes through weldering The mode connect is fixedly connected on Rose Box bottom, and upper end of support column is equipped with collecting box.
Compared with prior art, the beneficial effects of the invention are as follows:1. by changing the angle of inclination of primary strainer, to rise To the effect of shake, the speed that drilling fluid filters on primary strainer is on the one hand improved, on the one hand can also prevent drilling fluid in mistake There is a situation where plug-holes when filter.
2. by the up-down vibration of secondary strainer, to greatly improve the speed that drilling fluid filters on secondary strainer, together When secondary strainer up-down vibration can preferably prevent drilling fluid from being condensed in secondary screen surface compared to static secondary strainer, effectively Drilling fluid is avoided to block secondary strainer, it is simple and effective.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of petroleum drilling fluid secondary filter exclusion device.
Fig. 2 is the structural schematic diagram that the portions A amplify in a kind of petroleum drilling fluid secondary filter exclusion device.
Fig. 3 is a kind of structural schematic diagram of second gear side view in petroleum drilling fluid secondary filter exclusion device.
Fig. 4 is the structural schematic diagram that the portions B amplify in a kind of petroleum drilling fluid secondary filter exclusion device.
In figure:1- pedestals, 2- Rose Boxes, 3- inlet tubes, 4- fixed plates, 5- primary strainer, 6- translatory slides, 7- are fixed Plate, the first driving motors of 8-, 9-- runners, 10- tilt shifting block, 11- blocks, 12- draining plates, 13- columns, 14- jacking blocks, 15- and slide Block, 16- grade strainer, 17- springs, 18- casings, the second driving motors of 19-, 20- special shape gears, 21- first gears, 22- Two gears, 23- shafts, 24- winding rollers, 25- guide rollers, 26- draught lines, 27- support columns, 28- collecting boxs.
Specific implementation mode
The technical solution of this patent is described in more detail With reference to embodiment.
Please refer to Fig.1-4, a kind of petroleum drilling fluid secondary filter exclusion device, including pedestal 1, Rose Box 2, primary strainer 5, secondary strainer 16, the second driving motor 19, special shape gear 20, winding roller 24 and collecting box 28 pass through screw on the pedestal 1 It is installed with Rose Box 2,2 front side of Rose Box is hingedly equipped with opposite opened switch gate(It is not marked in figure), on the Rose Box 2 Side center is equipped with inlet tube 3, and inlet tube 3 is cylindrical plastic hard tube, and 3 upper end of inlet tube is externally threaded, inlet tube 3 The mode that upper end is connected through a screw thread is connect with external conveying pipeline, and the lower end of inlet tube 3 is stretched into inside Rose Box 2, the filtering It is also mounted by means of screws with fixed plate 7 in the inner left wall of case 2, translation is slidably fitted on the right side casing of Rose Box 2 Slide plate 6, fixed plate 7 in the same horizontal line, are also associated with reset bullet with translatory slides 6 between fixed plate 7 and translatory slides 6 The lower section of spring, the fixed plate 7 and translatory slides 6 is equipped with primary strainer 5, and the both sides of primary strainer 5 are respectively hinged at fixed plate 7 With the downside of translatory slides 6,5 surface of primary strainer is equipped with round filter opening, and the translatory slides 6 are horizontal to the right and to be pierced by Rose Box 2, fixed plate 7 is also installed by welding in 2 outer right wall of the Rose Box, is fixed by the bracket in fixed plate 7 and first drive is installed Dynamic motor 8, the first driving motor 8 are Y90S-2, and the output shaft of the first driving motor 8 is forward and the output of the first driving motor 8 Interference fit is equipped with runner 9 on axis, and the outer circle of runner 9, which is equipped with, tilts shifting block 10, tilts shifting block 10 at least provided with three groups And outer circle central circular array distribution of the shifting block 10 about runner 9 is tilted, the downside of the translatory slides 6 is additionally provided with block 11, Block 11 on translatory slides 6 is adapted with the inclination shifting block 10 in 9 outer circle of runner.Energization makes the first driving motor 8 start to work, and the first driving motor 8 drives runner 9 to start to rotate, when runner 9 starts rotation, when the inclination on runner 9 is dialled When block 10 is contacted with the translatory slides 6 on translatory slides 6, translatory slides 6 are driven to slide to the right, to change primary strainer 5 Angle of inclination, when inclination shifting block 10 does not contact, under the reset response of spring, translatory slides 6 to the left filter by reset movement, primary The angle of inclination of net 5 changes again, on the one hand the angle of inclination by changing primary strainer 5 carries to play the role of shake The speed that high drilling fluid filters on primary strainer 5, on the one hand can also preventing drilling fluid, there is a situation where plug-holes in filtering.
2 bottom of the Rose Box is also fixedly welded at least two groups column 13, and 13 top screw thread of column is equipped with jacking block 14, It is also slidably fitted with sliding block 15 on the column 13, secondary strainer 16 is connected between the sliding block 15 of the left and right sides, it is secondary The aperture of strainer 16 is less than the aperture of filter cloth 11, and 15 upside of the sliding block and jacking block are also associated with spring 17 between 14 downside, stand Column 13 is passed through from 17 inside center of spring, and 2 bottom of the Rose Box is additionally provided with device Rose Box 28, and 28 inside of device Rose Box is solid Dingan County is equipped with the second driving motor 19, and the motor model of the second driving motor 19 is Y112M-2, the output of the second driving motor 19 Before axial and the output shaft of the second driving motor 19 is equipped with special shape gear 20, and special shape gear 20 is defeated with the second driving motor 19 It is interference fit between shaft, the teeth portion on the special shape gear 20 is divide into upper part and lower part, about 20 two parts of special shape gear Number of teeth amount it is identical, the left and right sides of the special shape gear 20 is also rotatablely equipped with first gear 21 and second respectively by shaft 23 Gear 22, first gear 21 is identical with the specification of second gear 22, and interference fit is equipped with winding roller 24, institute in the shaft 23 Rheme is respectively connected with draught line between the winding roller 24 on the sliding block 15 and first gear 21 and second gear 22 of the left and right sides 26,2 bottom of the Rose Box is also arranged with support column 27, and support column 27 is fixedly connected on Rose Box 2 by welding Bottom, 27 upper end of the support column are equipped with collecting box 28.
The present invention operation principle be:In use, when drilling fluid enters 2 inside of Rose Box from inlet tube 3, drilling fluid is fallen It is filtered on primary strainer 5, energization makes the first driving motor 8 start to work, and the first driving motor 8 drives runner 9 to start Rotation, when runner 9 starts rotation, when the inclination shifting block 10 on runner 9 is contacted with the translatory slides 6 on translatory slides 6, band Dynamic translatory slides 6 slide to the right, to change the angle of inclination of primary strainer 5, when inclination shifting block 10 does not contact, in spring Under reset response, reset movement, the angle of inclination of primary strainer 5 change translatory slides 6 again to the left, by changing primary strainer The speed that drilling fluid filters on primary strainer 5 is on the one hand improved, on the one hand to play the role of shake in 5 angle of inclination Drilling fluid can also be prevented, and in filtering, there is a situation where plug-holes, are dropped by the preliminary filtered drilling fluid of primary strainer 5 secondary Secondary filter is carried out on grade strainer 16, when drilling fluid filters on secondary strainer 16, energization makes the second driving motor 19 start Rotation, when the second driving motor 19 drives special shape gear 20 to start to rotate clockwise in rotation process, when on special shape gear 20 Teeth portion respectively simultaneously when being engaged with first gear 21 and second gear 22, to drive first gear 21 and second gear 22 inverse Hour hands rotate, and first gear 21 and second gear 22 rotate counterclockwise to drive the winding roller 24 of both sides to rotate counterclockwise, from And draught line 26 is wrapped on winding roller 24, the sliding block 15 that draught line 26 pulls downward on positioned at the left and right sides moves downward, sliding Block 15 drives secondary strainer 16 to move downward, when the teeth portion on special shape gear 20 is not engaged with first gear 21 and second gear 22 When, under the action of spring 17, the sliding block 15 positioned at the left and right sides can reset, and to drive secondary strainer 16 to move upwards, lead to The up-down vibration for crossing secondary strainer 16, to greatly improve the speed that drilling fluid filters on secondary strainer 16, while secondary filter 16 up-down vibration of net can preferably prevent drilling fluid from being condensed on 16 surface of secondary strainer compared to static secondary strainer 16, effectively keep away Exempt from drilling fluid and blocks secondary strainer 16, it is simple and effective;Drilling fluid after the completion of filtering is fallen into collecting box 28, after the completion of to be filtered The opposite opened switch gate for opening 2 front side of Rose Box takes out collecting box 28.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party Formula, one skilled in the relevant art within the scope of knowledge, can also be under the premise of not departing from this patent objective It makes a variety of changes.

Claims (10)

1. a kind of petroleum drilling fluid secondary filter exclusion device, including pedestal(1), Rose Box(2), primary strainer(5), secondary filter Net(16), the second driving motor(19), special shape gear(20), winding roller(24)And collecting box(28), the pedestal(1)On pass through Screw is installed with Rose Box(2), the Rose Box(2)Inner left wall on be also mounted by means of screws with fixed plate (7), Rose Box(2)Right side casing on be slidably fitted with translatory slides(6), fixed plate(7)With translatory slides(6)In same water On horizontal line, fixed plate(7)With translatory slides(6)Between be also associated with resetting spring, it is characterised in that:The fixed plate(7)With Translatory slides(6)Lower section be equipped with primary strainer(5), primary strainer(5)Both sides be respectively hinged at fixed plate(7)It is slided with translation Plate(6)Downside, the translatory slides(6)It is horizontal to the right and to be pierced by Rose Box(2), the Rose Box(2)In outer right wall also It is installed by welding with fixed plate(7), fixed plate(7)On be fixed by the bracket the first driving motor be installed(8), the first driving motor (8)Output shaft forward and the first driving motor(8)Output shaft on interference fit runner is installed(9), runner(9)Outer circle It is equipped with and tilts shifting block(10), tilt shifting block(10)At least provided with three groups and tilt shifting block(10)About runner(9)Outer circle Central circular array distribution, the translatory slides(6)Downside be additionally provided with block(11), it is located at translatory slides(6)On block (11)With positioned at runner(9)Inclination shifting block in outer circle(10)It is adapted;The Rose Box(2)Bottom is also fixedly welded at least Two groups of columns(13), column(13)Top screw thread is equipped with jacking block(14), the column(13)On be also slidably fitted with sliding block (15), it is located at the sliding block of the left and right sides(15)Between be connected with secondary strainer(16), secondary strainer(16)Aperture be less than filter cloth (11)Aperture, the sliding block(15)Upside and jacking block(14)Spring is also associated between downside(17), column(13)From spring (17)Inside center passes through, the Rose Box(2)Bottom is additionally provided with device Rose Box(28), device Rose Box(28)Inside is fixed Second driving motor is installed(19), the second driving motor(19)Output shaft forward and the second driving motor(19)Output Axis is equipped with special shape gear(20), special shape gear(20)With the second driving motor(19)Output shaft between for interference fit, institute State special shape gear(20)The left and right sides also passes through shaft(23)It is rotatablely equipped with first gear respectively(21)And second gear(22), The shaft(23)Upper interference fit is equipped with winding roller(24), the sliding block positioned at the left and right sides(15)With first gear (21)And second gear(22)On winding roller(24)Between be respectively connected with draught line(26).
2. a kind of petroleum drilling fluid secondary filter exclusion device according to claim 1, it is characterised in that:The Rose Box (2)Front side is hingedly equipped with opposite opened switch gate.
3. a kind of petroleum drilling fluid secondary filter exclusion device according to claim 1, it is characterised in that:The inlet tube (3)For cylindrical plastic hard tube, inlet tube(3)Upper end is externally threaded, inlet tube(3)Mode that upper end is connected through a screw thread with External conveying pipeline connection, inlet tube(3)Lower end stretch into Rose Box(2)It is internal.
4. a kind of petroleum drilling fluid secondary filter exclusion device according to claim 1, it is characterised in that:The primary filter Net(5)Surface is equipped with round filter opening.
5. a kind of petroleum drilling fluid secondary filter exclusion device according to claim 1, it is characterised in that:Described first drives Dynamic motor(8)For Y90S-2.
6. a kind of petroleum drilling fluid secondary filter exclusion device according to claim 1, it is characterised in that:The sliding block (15)Upside and jacking block(14)Spring is also associated between downside(17), column(13)From spring(17)Inside center passes through.
7. a kind of petroleum drilling fluid secondary filter exclusion device according to claim 1, it is characterised in that:Described second drives Dynamic motor(19)Motor model be Y112M-2.
8. a kind of petroleum drilling fluid secondary filter exclusion device according to claim 1, it is characterised in that:The heteromorphic teeth Wheel(20)On teeth portion be divide into upper part and lower part, special shape gear(20)Upper and lower two-part number of teeth amount is identical.
9. a kind of petroleum drilling fluid secondary filter exclusion device according to claim 1, it is characterised in that:First tooth Wheel(21)And second gear(22)Specification it is identical.
10. a kind of petroleum drilling fluid secondary filter exclusion device according to claim 1, it is characterised in that:The filtering Case(2)Bottom is also arranged with support column(27), support column(27)It is fixedly connected on Rose Box by welding(2)Bottom Portion, support column(27)Upper end is equipped with collecting box(28).
CN201810571218.0A 2018-06-05 2018-06-05 A kind of petroleum drilling fluid secondary filter exclusion device Withdrawn CN108404501A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810571218.0A CN108404501A (en) 2018-06-05 2018-06-05 A kind of petroleum drilling fluid secondary filter exclusion device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810571218.0A CN108404501A (en) 2018-06-05 2018-06-05 A kind of petroleum drilling fluid secondary filter exclusion device

Publications (1)

Publication Number Publication Date
CN108404501A true CN108404501A (en) 2018-08-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810571218.0A Withdrawn CN108404501A (en) 2018-06-05 2018-06-05 A kind of petroleum drilling fluid secondary filter exclusion device

Country Status (1)

Country Link
CN (1) CN108404501A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109157892A (en) * 2018-08-30 2019-01-08 江苏欧仕达润滑油有限公司 A kind of movable type liquid pool scarfing cinder filter plant
CN109351034A (en) * 2018-10-30 2019-02-19 浙江工业大学上虞研究院有限公司 A kind of preliminary recycling equipment of weaving filtrate
CN109772009A (en) * 2019-03-08 2019-05-21 方文星 A kind of chemical industry filtering tank

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109157892A (en) * 2018-08-30 2019-01-08 江苏欧仕达润滑油有限公司 A kind of movable type liquid pool scarfing cinder filter plant
CN109157892B (en) * 2018-08-30 2020-10-20 江苏欧仕达润滑油有限公司 Movable liquid pool slag removal and filtration equipment
CN109351034A (en) * 2018-10-30 2019-02-19 浙江工业大学上虞研究院有限公司 A kind of preliminary recycling equipment of weaving filtrate
CN109772009A (en) * 2019-03-08 2019-05-21 方文星 A kind of chemical industry filtering tank

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Application publication date: 20180817