CN106512499A - Sheet frame type filter press - Google Patents
Sheet frame type filter press Download PDFInfo
- Publication number
- CN106512499A CN106512499A CN201611162565.5A CN201611162565A CN106512499A CN 106512499 A CN106512499 A CN 106512499A CN 201611162565 A CN201611162565 A CN 201611162565A CN 106512499 A CN106512499 A CN 106512499A
- Authority
- CN
- China
- Prior art keywords
- filter
- plate
- support
- pressing device
- suspension ring
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
- B01D25/21—Plate and frame presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/32—Removal of the filter cakes
- B01D25/34—Removal of the filter cakes by moving, e.g. rotating, the filter elements
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention belongs to the technical field of sewage draining equipment and provides a sheet frame type filter press. The sheet frame type filter press comprises a bracket, filter-pressing devices, a pressing plate, thrust plates, a support frame, a piece of filter cloth and a power device, wherein the thrust plates, the filter-pressing devices and the pressing plate are arranged on the bracket in turn; support lugs used for erecting cross bars are arranged on the two sides of the filter-pressing devices; a connecting device, which is used for connecting one filter-pressing device with another filter-pressing device, is arranged on one filter-pressing device; the connecting device comprises a connecting plate and a connecting column; the support frame is fixedly connected with the top end of a vertical rod; slots are formed in support rods along the axial direction; hoisting rings are arranged on the support rods; raised strips which are matched with the slots are arranged in the hoisting rings; the hoisting rings are in sliding connection with the support rods; one hoisting ring is connected with another hoisting ring through a spring; upper fixing rods and lower fixing rods are arranged on the filter cloth; the upper fixing rods are connected with the hoisting rings through connecting rods. The sheet frame type filter press can realize automatic unloading, can save manpower and can guarantee the thorough cleanness of the filter-pressing devices and the filter cloth.
Description
Technical field
The present invention relates to waste removal equipment technical field, and in particular to a kind of plate and frame type filter-press.
Background technology
, used as solid-liquid separating equipment, it is with a long history to be applied to commercial production for pressure filter, and it has good separating effect, suitable
Ying Xingguang, especially for the separation for gluing thin material, has the superiority which is unique, and plate and frame type filter-press will carry the filter of filtrate path
Plate is parallel with filter frame to be alternately arranged, and every group of filter plate and filter frame are sandwiched between filter cloth, filter plate and filter frame is compressed with compression end, makes filter
A filter pressing room is constituted between plate and filter plate, and sludge is flowed into from charging aperture, and water is discharged from filtrate (liquid by filter plate, and mud cake is piled up
On inframe filter cloth, after filter plate and filter frame unclamp, mud cake is just easy to peeling and gets off, and with simple to operate, filter cake solid content is high,
The advantages of strong applicability.Existing product can not realize automatic blanking, need labor management, filter cloth to be susceptible to the unnet feelings of discharging
Condition.
The content of the invention
For defect of the prior art, the present invention provides a kind of plate and frame type filter-press, to realize automatic blanking, it is ensured that fall
Expect that smooth and filter cloth is clean.
For reaching above-mentioned purpose, the present invention is adopted the following technical scheme that：
A kind of plate and frame type filter-press, including support, filter-pressing device, pressure strip, thrust plate, bracing frame, filter cloth and power
Equipment, the thrust plate, the filter-pressing device and the pressure strip are installed on the support successively, the filter-pressing device bag
Filter plate and filter frame is included, the filter plate is alternately arranged setting with the filter frame, and the filter cloth is installed on the filter plate with the filter frame
Between, the power-equipment is installed on the side of the support, and with the pressure strip power connector, the opposite side of the support
It is provided with feeding pipe and outlet pipe；
The support includes two cross bars arranged side by side and is connected to the montant at the cross bar two ends；
The filter-pressing device adopts rectangle filter-pressing device, and the both sides of the filter-pressing device are provided with to be set up in the cross bar
Journal stirrup, offer charging hole and apopore on the filter frame, on the filter plate, offer charging hole and filter opening, the filter pressing dress
The both sides put are provided with attachment means, and the attachment means include connecting plate and connecting pole, and the connecting pole passes through the connecting plate
It is attached；
The shape of the pressure strip is matched with the filter-pressing device, and the pressure strip is provided with the attachment means；
The shape of the thrust plate is matched with the filter-pressing device, and the thrust plate is provided with the charging hole and described
Apopore, the thrust plate are fixedly connected with the support；
Support frame as described above is fixedly connected on the top of the montant, and the support bar axially opens up fluted, described
Support bar is provided with suspension ring, and the inside of the suspension ring is provided with the raised line with the fit depressions, and the suspension ring are slidably connected to
On the support bar, the suspension ring are connected with another suspension ring by spring；
The filter cloth is provided with fix bar and lower fix bar, and fixed bar is connected with the suspension ring by connecting rod；
The power-equipment includes motor and hydraulic pump.
Used as a kind of preferred technical scheme, the connecting plate is provided with the slideway for being available for the connecting pole to slide, described
Connecting plate is detachably connected with the connecting pole.
Used as a kind of preferred technical scheme, the pressure strip is provided with directive wheel.
Used as a kind of preferred technical scheme, the frame bottom is provided with receiving hopper.
Used as a kind of preferred technical scheme, the one side that the pressure strip is connected with the power-equipment is provided with hydraulic arm.
Used as a kind of preferred technical scheme, the groove offers three, the quantity of the raised line and the groove phase
Together.
Used as a kind of preferred technical scheme, the charging hole of the thrust plate is connected with the feeding pipe, described to stop
The apopore of push pedal is connected with the outlet pipe.
Used as a kind of preferred technical scheme, the suspension ring near the thrust plate side are fixed with the support bar and are connected
Connect.
Due to using above technical scheme, the invention has the advantages that：
A kind of plate and frame type filter-press, including support, filter-pressing device, pressure strip, thrust plate, bracing frame, filter cloth and power
Equipment, thrust plate, filter-pressing device and pressure strip are installed on support successively, and filter-pressing device includes filter plate and filter frame, filter plate with
Filter frame is alternately arranged setting, and filter cloth is installed between filter plate and filter frame, and power-equipment is installed on the side of support, and and pressure strip
Power connector, the opposite side of support are provided with feeding pipe and outlet pipe；Support includes two cross bars arranged side by side and is connected to cross bar two
The montant at end；Filter-pressing device adopts rectangle filter-pressing device, and the both sides of filter-pressing device are provided with to be set up in the journal stirrup of cross bar, filter frame
On offer charging hole and apopore, offer charging hole and filter opening on filter plate, the both sides of filter-pressing device are provided with attachment means, even
Connection device includes connecting plate and connecting pole, and connecting pole is attached by connecting plate；The shape of pressure strip and filter-pressing device phase
Match somebody with somebody, and pressure strip is provided with attachment means；The shape of thrust plate is matched with filter-pressing device, and thrust plate is provided with charging hole and water outlet
Hole, thrust plate are fixedly connected with support；Bracing frame is fixedly connected on the top of montant, and support bar axially opens up fluted,
Support bar is provided with suspension ring, and the inside of suspension ring is provided with the raised line with fit depressions, and suspension ring are slidably connected on support bar, suspension ring
It is connected with another suspension ring by spring；Filter cloth is provided with fix bar and lower fix bar, and upper fix bar is connected with suspension ring by connecting rod
Connect；Power-equipment includes motor and hydraulic pump；Based on above structure, the present invention when in use, if using attachment means by dry-pressing
Filter device and pressure strip are coupled together, and effect filter-pressing device when pressure strip is pulled open due to attachment means also can be stretched therewith together
Come, the mud cake formed after being easy to filter pressing smoothly drops, and realizes automatic discharging, using suspension ring and the groove of support bar with it is convex
The cooperation of bar, make suspension ring can only be slidable in the axial direction and can not rotate, using the cooperation of suspension ring, connecting rod and spring
Work, when being compressed, upper fix bar drives connecting rod motion, connecting rod to drive suspension ring motion so as to press to spring
Contracting, when being stretched, spring drives suspension ring to flick after losing pressure, makes connecting rod drive upper fix bar to move so that filter cloth
Motion, the body refuse on filter cloth is trembled down.
Connecting plate of the present invention is provided with the slideway for being available for connecting pole to slide, and connecting plate is detachably connected with connecting pole；It is based on
Above structure, the present invention when in use, can be such that connecting pole moves along fixed movement locus using slideway, make connecting plate not
Compression and the stretching of filter-pressing device is affected, dismountable connected mode is easy to disassemble and keeps in repair.
Pressure strip of the present invention is provided with directive wheel；Based on above structure, the present invention when in use, can be so as to using directive wheel
Reciprocating motion in pressure strip on support, reduces frictional force, guides correct movement locus.
Frame bottom of the present invention is provided with receiving hopper；Based on above structure, the present invention when in use, can be by using receiving hopper
The mud cake of whereabouts is collected and is uniformly processed.
The one side that pressure strip of the present invention is connected with power-equipment is provided with hydraulic arm；Based on above structure, the present invention is being used
When, pressure strip can be driven to compress and drive retracting for pressure strip using hydraulic arm.
Groove of the present invention offers three, and the quantity of raised line is identical with groove；Based on above structure, the present invention is being used
When, using three grooves and raised line, suspension ring can be made more stable with the connection of support bar, it is ensured that fortune of the suspension ring on support bar
Dynamic rail mark does not shift.
The charging hole of thrust plate of the present invention is connected with feeding pipe, and the apopore of thrust plate is connected with outlet pipe；More than being based on
Structure, the present invention when in use, using the charging hole of thrust plate the sewage in feeding pipe can be entered in filter-pressing device, utilized
Apopore can be such that the water outlet of filter-pressing device enters in outlet pipe.
Suspension ring of the present invention near thrust plate side are fixedly connected with support bar；Based on above structure, the present invention is being used
When, positioning can be played a part of using the suspension ring being fixedly connected.
In sum, the present invention can realize automatic discharging, save artificial, it is ensured that filter-pressing device and filter cloth discharging
It is thoroughly clean.
Description of the drawings
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to concrete
Needed for embodiment or description of the prior art, accompanying drawing to be used is briefly described.In all of the figs, similar element
Or part is typically identified by similar reference.In accompanying drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the structural representation of the present invention；
Structural representations of the Fig. 2 for filter plate；
Structural representations of the Fig. 3 for filter frame；
Structural representations of the Fig. 4 for filter cloth；
In accompanying drawing, 1, support, 2, filter-pressing device, 21, journal stirrup, 22, charging hole, 23, apopore, 24, attachment means, 25,
Filter opening, 3, pressure strip, 31, directive wheel, 32, hydraulic arm, 4, thrust plate, 5, bracing frame, 51, groove, 52, suspension ring, 53, spring,
6th, filter cloth, 61, upper fix bar, 7, power-equipment, 8, receiving hopper.
Specific embodiment
Technical scheme is described in detail below in conjunction with embodiment.Following examples are only used for more
Technical scheme is clearly demonstrated, therefore is only used as example, and can not be limited the scope of the invention with this.
A kind of plate and frame type filter-press in embodiment as Figure 1-4, including support 1, filter-pressing device 2, pressure strip 3,
Thrust plate 4, bracing frame 5, filter cloth 6 and power-equipment 7, thrust plate 4, filter-pressing device 2 and pressure strip 3 are installed on support successively
On 1, filter-pressing device 2 includes filter plate and filter frame, and filter plate is alternately arranged setting with filter frame, and filter cloth 6 is installed between filter plate and filter frame,
Power-equipment 7 is installed on the side of support 1, and with 3 power connector of pressure strip, the opposite side of support 1 is provided with feeding pipe and water outlet
Pipe；Support 1 includes two cross bars arranged side by side and is connected to the montant at cross bar two ends；1 bottom of support is provided with receiving hopper 8, receiving hopper 8
It is detachably connected with support 1, the mud cake of whereabouts can be collected using receiving hopper 8 and be uniformly processed.
In the present embodiment, filter-pressing device 2 adopts rectangle filter-pressing device 2, and the both sides of filter-pressing device 2 are provided with to be set up in horizontal stroke
The journal stirrup 21 of bar, offers charging hole 22 and apopore 23 on filter frame, offer charging hole 22 and filter opening 25, filter pressing dress on filter plate
The both sides for putting 2 are provided with attachment means 24, and attachment means 24 include connecting plate and connecting pole, and connecting pole is connected by connecting plate
Connect, connecting plate is provided with the slideway for being available for connecting pole to slide, connecting plate is detachably connected with connecting pole, can the company of making using slideway
Connect post to move along fixed movement locus, make connecting plate not affect compression and the stretching of filter-pressing device 2, the shape of pressure strip 3
Match with filter-pressing device 2, and pressure strip 3 is provided with attachment means 24, using attachment means 24 are by some filter-pressing devices 2 and compress
Plate 3 is coupled together, and is come as the effect filter-pressing device 2 of attachment means 24 also can be stretched therewith together, just when pressure strip 3 is pulled open
The mud cake formed after filter pressing smoothly drops, and realizes to move using the drive filter-pressing device 2 of pressure strip 3 and is unloaded so as to reach automatically
The purpose of material；Pressure strip 3 is provided with directive wheel 31, can be in order to reciprocal fortune of the pressure strip 3 on support 1 using directive wheel 31
It is dynamic, frictional force is reduced, guides correct movement locus, the one side that pressure strip 3 is connected with power-equipment 7 to be provided with hydraulic arm 32,
Pressure strip 3 can be driven to compress and drive retracting for pressure strip 3 using hydraulic arm 32.The shape of thrust plate 4 and 2 phase of filter-pressing device
Matching, and thrust plate 4 is provided with charging hole 22 and apopore 23, thrust plate 4 is fixedly connected with support 1；
In the present embodiment, bracing frame 5 is fixedly connected on the top of montant, and support bar axially opens up fluted 51, supports
Bar is provided with suspension ring 52, and the inside of suspension ring 52 is provided with the raised line being engaged with groove 51, and groove 51 offers three, the number of raised line
Amount is identical with groove 51, using three grooves 51 and raised line, suspension ring 52 can be made more stable with the connection of support bar, it is ensured that hang
Movement locus of the ring 52 on support bar do not shift, and suspension ring 52 are slidably connected on support bar, and suspension ring 52 pass through spring 53
It is connected with another suspension ring 52；Using groove 51 of the suspension ring 52 with support bar and the cooperation of raised line, make suspension ring 52 square vertically
Can not rotate to slip, the suspension ring 52 near 4 side of thrust plate are fixedly connected with support bar, using hanging for being fixedly connected
Ring 52 can play a part of positioning, it is ensured that suspension ring 52 will not on support bar persistent movement, the compression for spring 53 provides one
Individual impetus, filter cloth 6 are provided with fix bar 61 and lower fix bar, and upper fix bar 61 is connected with suspension ring 52 by connecting rod, connection
Bar is detachably connected with suspension ring 52；It is using suspension ring 52, connecting rod and the cooperating of spring 53, when being compressed, upper solid
Fixed pole 61 drives connecting rod motion, connecting rod to drive suspension ring 52 to move so as to be compressed to spring 53, when being stretched, bullet
Spring 53 drives suspension ring 52 to flick after losing pressure, makes connecting rod drive upper fix bar 61 to move so that filter cloth 6 is moved, by filter cloth
Body refuse on 6 is trembled down, and power-equipment 7 includes motor and hydraulic pump.
In the present embodiment, the charging hole 22 of thrust plate 4 is connected with feeding pipe, and apopore 23 and the outlet pipe of thrust plate 4 connect
Connect, sewage in feeding pipe can be made to enter in filter-pressing device 2 using the charging hole 22 of thrust plate 4, can be with using apopore 23
The water outlet of filter-pressing device 2 is made to enter in outlet pipe.
Finally it should be noted that：Various embodiments above only to illustrate technical scheme, rather than a limitation；To the greatest extent
Pipe has been described in detail to the present invention with reference to foregoing embodiments, it will be understood by those within the art that：Its according to
So the technical scheme described in foregoing embodiments can be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme, which all should be covered in the middle of the scope of the claim and description of the present invention.
Claims (8)
1. a kind of plate and frame type filter-press, it is characterised in that：Including support, filter-pressing device, pressure strip, thrust plate, bracing frame, filter cloth
And power-equipment, the thrust plate, the filter-pressing device and the pressure strip be installed on the support successively, the pressure
Filter device includes filter plate and filter frame, and the filter plate and the filter frame are alternately arranged settings, the filter cloth be installed on the filter plate and
Between the filter frame, the power-equipment is installed on the side of the support, and with the pressure strip power connector, the support
Opposite side be provided with feeding pipe and outlet pipe；
The support includes two cross bars arranged side by side and is connected to the montant at the cross bar two ends；
The both sides of the filter-pressing device are provided with to be set up in the journal stirrup of the cross bar, offer charging hole and go out on the filter frame
Water hole, offers charging hole and filter opening on the filter plate, the both sides of the filter-pressing device are provided with attachment means, the attachment means
Including connecting plate and connecting pole, the connecting pole is attached by the connecting plate；
The shape of the pressure strip is matched with the filter-pressing device, and the pressure strip is provided with the attachment means；
The shape of the thrust plate is matched with the filter-pressing device, and the thrust plate is provided with the charging hole and the water outlet
Hole, the thrust plate are fixedly connected with the support；
Support frame as described above is fixedly connected on the top of the montant, and the support bar axially opens up fluted, the support
Bar is provided with suspension ring, and the inside of the suspension ring is provided with the raised line with the fit depressions, and the suspension ring are slidably connected to described
On support bar, the suspension ring are connected with another suspension ring by spring；
The filter cloth is provided with fix bar and lower fix bar, and fixed bar is connected with the suspension ring by connecting rod；
The power-equipment includes motor and hydraulic pump.
2. a kind of plate and frame type filter-press according to claim 1, it is characterised in that：The connecting plate be provided be available for it is described
The slideway that connecting pole slides, the connecting plate are detachably connected with the connecting pole.
3. a kind of plate and frame type filter-press according to claim 1 and 2, it is characterised in that：The pressure strip is provided with guiding
Wheel.
4. a kind of plate and frame type filter-press according to claim 1 and 2, it is characterised in that：The frame bottom is provided with splicing
Bucket.
5. a kind of plate and frame type filter-press according to claim 1 and 2, it is characterised in that：The pressure strip and the power
The one side of equipment connection is provided with hydraulic arm.
6. a kind of plate and frame type filter-press according to claim 1 and 2, it is characterised in that：The groove offers three, institute
The quantity for stating raised line is identical with the groove.
7. a kind of plate and frame type filter-press according to claim 1 and 2, it is characterised in that：The charging of the thrust plate
Hole is connected with the feeding pipe, and the apopore of the thrust plate is connected with the outlet pipe.
8. a kind of plate and frame type filter-press according to claim 1 and 2, it is characterised in that：Near the thrust plate side
The suspension ring are fixedly connected with the support bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611162565.5A CN106512499A (en) | 2016-12-15 | 2016-12-15 | Sheet frame type filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611162565.5A CN106512499A (en) | 2016-12-15 | 2016-12-15 | Sheet frame type filter press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106512499A true CN106512499A (en) | 2017-03-22 |
Family
ID=58340845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611162565.5A Pending CN106512499A (en) | 2016-12-15 | 2016-12-15 | Sheet frame type filter press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106512499A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107915391A (en) * | 2017-12-29 | 2018-04-17 | 天津远新环保科技有限公司 | A kind of plate and frame sludge slurry filter press |
| CN107930201A (en) * | 2017-12-29 | 2018-04-20 | 天津远新环保科技有限公司 | A kind of filter press for forcing discharging |
| CN108144335A (en) * | 2017-12-28 | 2018-06-12 | 浙江精鼎电力设备有限公司 | A kind of multi-functional pressure filter |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4900436A (en) * | 1987-12-26 | 1990-02-13 | Ishigaki Kiko Co., Ltd. | Apparatus for cake removal in a filter press |
| CN2645740Y (en) * | 2003-09-24 | 2004-10-06 | 株式会社石垣 | Filter press |
| CN201313007Y (en) * | 2008-12-09 | 2009-09-23 | 杭州兴源过滤机有限公司 | Expanding discharge mechanism of filter cloths |
| CN202777983U (en) * | 2012-08-01 | 2013-03-13 | 山东景津环保设备有限公司 | Filter plate connecting plate device for discharging filter cakes |
| CN205269169U (en) * | 2015-12-25 | 2016-06-01 | 德阳华太生物医药有限责任公司 | Plate and frame filter press of filter cake can dump fast |
| CN105944418A (en) * | 2016-06-30 | 2016-09-21 | 苏州志英明建信息科技有限公司 | Novel chamber type pressure filter |
| CN205730503U (en) * | 2016-06-25 | 2016-11-30 | 台州市国强建材科技有限公司 | Filter press |
-
2016
- 2016-12-15 CN CN201611162565.5A patent/CN106512499A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4900436A (en) * | 1987-12-26 | 1990-02-13 | Ishigaki Kiko Co., Ltd. | Apparatus for cake removal in a filter press |
| CN2645740Y (en) * | 2003-09-24 | 2004-10-06 | 株式会社石垣 | Filter press |
| CN201313007Y (en) * | 2008-12-09 | 2009-09-23 | 杭州兴源过滤机有限公司 | Expanding discharge mechanism of filter cloths |
| CN202777983U (en) * | 2012-08-01 | 2013-03-13 | 山东景津环保设备有限公司 | Filter plate connecting plate device for discharging filter cakes |
| CN205269169U (en) * | 2015-12-25 | 2016-06-01 | 德阳华太生物医药有限责任公司 | Plate and frame filter press of filter cake can dump fast |
| CN205730503U (en) * | 2016-06-25 | 2016-11-30 | 台州市国强建材科技有限公司 | Filter press |
| CN105944418A (en) * | 2016-06-30 | 2016-09-21 | 苏州志英明建信息科技有限公司 | Novel chamber type pressure filter |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108144335A (en) * | 2017-12-28 | 2018-06-12 | 浙江精鼎电力设备有限公司 | A kind of multi-functional pressure filter |
| CN108144335B (en) * | 2017-12-28 | 2024-03-26 | 浙江精鼎电力设备有限公司 | Multifunctional filter press |
| CN107915391A (en) * | 2017-12-29 | 2018-04-17 | 天津远新环保科技有限公司 | A kind of plate and frame sludge slurry filter press |
| CN107930201A (en) * | 2017-12-29 | 2018-04-20 | 天津远新环保科技有限公司 | A kind of filter press for forcing discharging |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |