CN105013228A - Polyving akohol stock solution filtering device - Google Patents
Polyving akohol stock solution filtering device Download PDFInfo
- Publication number
- CN105013228A CN105013228A CN201410179425.3A CN201410179425A CN105013228A CN 105013228 A CN105013228 A CN 105013228A CN 201410179425 A CN201410179425 A CN 201410179425A CN 105013228 A CN105013228 A CN 105013228A
- Authority
- CN
- China
- Prior art keywords
- filtering
- housing
- basic solution
- polyethylene alcohol
- collecting chamber
- 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
Links
Abstract
The invention relates to a polyving akohol stock solution filtering device. The polyving akohol stock solution filtering device mainly comprises a shell (1), a machine body upper base (3), an inlet pipeline (4), an outlet pipeline (5), a heat preservation jacket layer (12) and heat preservation medium inlet and outlet pipelines (13 and 14), wherein the heat preservation jacket layer (12) is communicated with the heat preservation medium inlet and outlet pipelines (13 and 14). The polyving akohol stock solution filtering device is characterized in that the machine body upper base (3) comprises a boss part (18) which is correspondingly inserted in an inner cavity of the shell (1), and a filtering collection cavity (6) is formed in the boss part (18); the filtering collection cavity (6) is formed in the middle position of the interior of the boss part (18), and the boss part (18) does not penetrate through the periphery of the filtering collection cavity (6); mounting holes (7) penetrate through the boss part (18) on the machine body upper base (3) and are located between the filtering collection cavity (6) and the inner cavity of the shell (1), and filter elements are installed in all the holes; the outlet pipeline (5) is directly communicated with the filtering collection cavity (6). The polyving akohol stock solution filtering device is small in appearance and large in filtering area, and further has the functions of heat preservation, backwash, reuse and the like.
Description
Technical field
The present invention relates to synthetic fibers stoste preparing technical field, particularly relate to the filtration of polyethylene alcohol basic solution, be specifically related to a kind of filtering of polyethylene alcohol basic solution device.
Background technology
Vinal is a kind of excellent performance, broad-spectrum synthetic fibers, and its application relates generally to military project, building materials, characteristic weaving, characteristic non-woven fabrics, extraordinary papermaking, industrial filter material, battery diaphragm etc.In recent years, along with the increasing of the production-scale expansion of polyvinyl alcohol raw material and R&D intensity, vinal industry shows out good development momentum especially, and the characteristic of its multi items, wide application, demonstrates the indomitable vitality of industry innovation.The production of vinal is generally taked to take water as solvent, and polyvinyl alcohol concentrated solution is the wet spinning technology of raw material.
Polyvinyl alcohol is a kind of linear polymeric polymer, containing a large amount of hydroxyls on its side base, there is strong interaction between molecule.It is water-soluble preferably that this just makes polyvinyl alcohol molecule have on the one hand, and its fusing point is higher than decomposition temperature on the other hand, is difficult to carry out melt spinning machine-shaping.Polyvinyl alcohol concentrated solution for spinning is commonly referred to as polyethylene alcohol basic solution.The polyethylene alcohol basic solution of gained after polyvinyl alcohol dissolution, usually containing some insoluble particulate and mechanical admixtures, as silt, does not have consoluet polyvinyl alcohol particulate and stoste skinning etc.The existence of these impurity, can block spinneret orifice, affects normally carrying out and the quality of fiber, so will remove these impurity after filtration of spinning.Spinning head aperture is less, requires that the impurity granularity of removing is thinner.
At present, the filtration of polyethylene alcohol basic solution mainly adopts plate and frame filter press and KKF continuous filter.The advantage of plate and frame filter press is that filter area is large, and filter forms by organizing sheet frame more, can regulate filter area according to filtration situation; But in running, change filter cloth, rinse filter, boil filter wash cloth etc. and all need manual operation, labour intensity is large, and cost of labor is high.The continuous and automatic that KKF continuous filter can realize to a certain degree runs, but its filter area is very limited, only make use of the cylindrical internal surface area of equipment, during backwash, also need the stoste of having filtered, can not meet the demands well in places such as needing the filtration together of large discharge.In addition, the article pointed out in " use of domestic KKF filter " (Shandong Textile economy, the 6th phase in 2008) one: domestic KKF filter also exists backwash weak effect, and backwash is ordinary, cross glue amount low; P
2pressure transient, affects backwash effect; After screen pack uses a period of time, the obvious problem of degradation under glue amount excessively.A kind of device for filtering of polyethylene alcohol basic solution is disclosed in Chinese patent 201020544099.9, it comprises dissolver, filter, defoaming device etc., by reasonably arranging connection, the automation realizing polyethylene alcohol basic solution is continuous, energy-conservation, filter safely and efficiently.Wherein, filter is adopted as horizontal automatic backwashing filter, but from structural representation disclosed in it, this horizontal automatic backwashing filter is similar to KKF filter, still there is the technical problems such as above-mentioned filter area is very limited.
Summary of the invention
The object of the present invention is to provide a kind of filtering of polyethylene alcohol basic solution device, this device external form is little and filter area large, and structure is more reasonable.
The object of the present invention is achieved like this:
A kind of filtering of polyethylene alcohol basic solution device, it comprises the housing that inside is provided with cavity, the body seat of honour be fixedly connected with this housing, and the inlet pipeline communicated with enclosure interior cavity and outlet conduit; The body interior of its housing, also be provided with thermal insulation clamp jacket layer, this thermal insulation clamp jacket layer imports and exports pipeline communication with the thermal insulation medium through this housing, and this housing is divided into shell body and inner housing, it is characterized in that: the described body seat of honour includes the corresponding projection section inserting described housing internal cavity; Described projection section inside is provided with filtered fluid collecting chamber; This filtered fluid collecting chamber is arranged at the centre position of described projection section inside, and its surrounding does not all run through described projection section; The projection section at the body seat of honour between this filtered fluid collecting chamber and cavity of described enclosure interior runs through and is provided with multiple installing hole, in this installing hole, all filtration core is installed; Described outlet conduit is directly communicated with described filtered fluid collecting chamber.
On the above-mentioned body seat of honour, the corresponding projection section inserting above-mentioned housing internal cavity is cylindric; The filtered fluid collecting chamber arranged in this projection section inside is cylindric with described projection section concentric, and this filtered fluid collecting chamber height is 1/1 to six/2nd of its cavity diameter.By limiting shape and the height of this filtered fluid collecting chamber further, ensure that this projection section can meet the structural mechanics requirement of strength in applying, and being uniformly distributed of in use filtered fluid and backwash medium can be made, meet serviceability requirement further.
Above-mentioned filtration core, includes inner core, and at the stainless steel protection cover that interior core outer surface is arranged; Its inner core adopts metal folding filtration core, preferably adopts stainless steel to be folded over filter core.The stainless steel protection cover of this filtration core, can make this filtration core can bear the active force of anti-cleaning well.
The projection section at the body seat of honour between above-mentioned filtered fluid collecting chamber and the cavity of above-mentioned enclosure interior runs through installing hole and the filtration core of setting, be threaded connection.The inner surface of this installing hole is provided with internal thread, and corresponding end coupling of being overlapped by the stainless steel protection of this filtration core is provided with external screw thread, to realize being fixedly connected with both it, also can facilitate the installation of filtration core, dismounting and replacing.
It is multiple that above-mentioned filtration core can be set to 3 cores, 5 cores, 7 cores or 19 cores etc.When be set to 3 cores and densely arranged run through on the projection section at the body seat of honour be provided with three installing holes time, its filter area is about 1.3 times of the surface area of the projection section cylindrical shape at the body seat of honour fixing this filtration core; When the combination of employing 7 core, be then about 2 times; When the combination of employing 19 core, be then about 3 times, namely combine in this device setting be folded over filter core use time, its filter area can reach 9 times of the filter area of the KKF filter of same volume.The number of this filtration core, also can according to the concrete size of filtration core and filter area reasonable Arrangement.Take the mode that this multicore combines, filter area can be strengthened in limited space, reduction equipment volume, reduce production cost.
Above-mentioned filtering of polyethylene alcohol basic solution device, also include backwash medium and import and export pipeline, wherein, backwash medium entrance pipeline is communicated with filtered fluid collecting chamber, and backwash media outlet pipeline communicates with enclosure interior cavity.After residual stoste in filter is drained, do not need filter to take apart, only need to operate the valve on backwash medium import and export pipeline, backwash cleaning process can be realized, greatly reduce labour intensity, improve working environment, improve production efficiency.
Above-mentioned filtering of polyethylene alcohol basic solution device, also separately can be provided with a backwash medium entrance pipeline, and the backwash medium entrance pipeline this separately established is communicated with filtered fluid collecting chamber.In this backwash medium entrance pipeline separately established, the gaseous state scouring medias such as compressed air can be passed into, to realize strengthening its backwash effect.When adopting backwash medium to carry out backwash operation after filtering, the backwash medium entrance pipeline that this is separately established can be opened, and open backwash media outlet pipeline simultaneously, to pass into compressed air, this device be purged.
The top at the above-mentioned body seat of honour is also fixedly installed suspension ring, and to facilitate this body seat of honour, and even this device entirety carries out the operations such as carrying.
The above-mentioned body seat of honour and above-mentioned housing are fastenedly connected by bolt.At the correspondence position of the body seat of honour and housing, screwed hole is set respectively, and the multiple fastening bolt of Matching installation, achieves being fastenedly connected of the body seat of honour and housing, be also convenient to follow-up fractionation.
The present invention has following beneficial effect:
Filtering of polyethylene alcohol basic solution device in the present invention, by filtration core being arranged on the projection section at the body seat of honour, achieve at the inner many filtration core of arranging thick and fast of this device simultaneously, relative to other filters of same volume, there is the advantages such as the little and filter area of external form is large, and also there is insulation, backwash, the function such as to reuse.Instead after residual stoste in filter can being drained in production to clean, reuse; decrease the discharge capacity of sewage; be conducive to environmental protection; and while meeting filtration needs well, do not need filter disassemble, only need to operate some pipeline valves; backwash cleaning process can be realized; greatly reduce labour intensity, improve working environment, improve production efficiency.In overall structure, its filtration core set-up mode is various, can install the filtration core of different accuracy, different number, to meet different needs, and be convenient for changing, can change as required, clean and check according to practical condition.In addition, the lagging casing arranged in its structure, the thermal insulation medium that can pass into hot water, conduction oil equitemperature according to actual needs constant is incubated filter raw liquid, to regulate filtration temperature easily and to keep constant, be applicable to the situation having the filtrate of specified temp requirement to filter to polyethylene alcohol basic solution etc.
Accompanying drawing explanation
Fig. 1 is the structural representation of filtering of polyethylene alcohol basic solution device described in the embodiment of the present invention 1.
Fig. 2 for installing the structural representation of the arrangement mode of the filtration core of setting on the projection section at the body seat of honour in filtering of polyethylene alcohol basic solution device described in the embodiment of the present invention 1.
Fig. 3 is the structural representation of filtering of polyethylene alcohol basic solution device described in the embodiment of the present invention 2.
Fig. 4 is the structural representation of filtering of polyethylene alcohol basic solution device described in the embodiment of the present invention 2 when not installing filtration core.
Fig. 5 is the structural representation of filtering of polyethylene alcohol basic solution device described in the embodiment of the present invention 3.
Fig. 6 is the filtration core in filtering of polyethylene alcohol basic solution device of the present invention when being set to 3 core, and its filtration core installs the structural representation arranging arrangement mode on the projection section at the body seat of honour.
Fig. 7 is the filtration core in filtering of polyethylene alcohol basic solution device of the present invention when being set to 19 core, and its filtration core installs the structural representation of the arrangement mode of setting on the projection section at the body seat of honour.
Detailed description of the invention
Below by embodiment, the present invention is specifically described; what be necessary to herein means out is; following examples are only for being further detailed the present invention; can not be interpreted as limiting the scope of the invention, the person skilled in the art in this field can make some nonessential improvement and adjustment according to foregoing invention content to the present invention.
Embodiment 1
As shown in Fig. 1 ~ 2: a kind of filtering of polyethylene alcohol basic solution device, it comprises the housing 1 that inside is provided with cavity, by the body seat of honour 3 that fastening bolt 2 is fixedly connected with this housing 1, and communicate with housing 1 internal cavities, be all connected valvular inlet pipeline 4 and outlet conduit 5; The body interior of its housing 1, is also provided with thermal insulation clamp jacket layer 12, and this thermal insulation clamp jacket layer 12 is imported and exported pipeline 13,14 with the thermal insulation medium through this housing 1 and is communicated with, and this housing 1 is divided into shell body 15 and inner housing 16; Its body seat of honour 3 includes the corresponding projection section 18 inserting housing 1 internal cavity, and this projection section 18 is cylindric; Projection section 18 inside is provided with filtered fluid collecting chamber 6, this filtered fluid collecting chamber 6 is arranged at the centre position of projection section 18 inside, its surrounding does not all run through projection section 18, this filtered fluid collecting chamber 6 is cylindric with projection section 18 concentric, and it is highly 1/4th of its cavity diameter; The projection section 18 at the body seat of honour 3 between the cavity of this filtered fluid collecting chamber 6 and housing 1 inside runs through and is provided with seven installing holes 7, this installing hole 7 inner surface is provided with internal thread, coordinate to mate with the end that the stainless steel protection that the outer surface that corrugated stainless steel is folded over filter core is arranged overlaps 8 external screw thread arranged, and the installation realizing filtration core is fixed; Its outlet conduit 5 is directly communicated with filtered fluid collecting chamber 6; This device also includes backwash medium and imports and exports pipeline 9,10, and wherein, backwash medium entrance pipeline 9 is communicated with filtered fluid collecting chamber 6, and backwash media outlet pipeline 10 communicates with housing 1 internal cavities; In addition, in this device, be also separately provided with compressed air inlet pipeline 11, and the compressed air inlet pipeline 11 this separately established is communicated with filtered fluid collecting chamber 6; The top at its body seat of honour 3 is also fixedly installed suspension ring 17.
During use, the inlet pipeline 4 of opened filtrate and outlet conduit 5, close backwash media outlet pipeline 10, compressed air inlet pipeline 11 and backwash medium entrance pipeline 9, namely pass into filtered fluid and filter.
When filter pressure increase is comparatively large or filtration time increase is longer, just backwash can be carried out.Before backwash, close inlet pipeline 4 and the outlet conduit 5 of filtered fluid, open compressed air inlet pipeline 11 and backwash media outlet pipeline 10, after getting rid of the filter raw liquid in filter cavity, open backwash medium entrance pipeline 9 again, pass into cleaning hot water 1 ~ 2 minute, just can again come into operation after doing with compressed air purging more afterwards.When after the use long period, when filtering frequent with backwash, just can open the body seat of honour 3 and take out corrugated stainless steel and be folded over filter core, with boiling water boiling wash, the method such as Ultrasonic Cleaning cleans thoroughly.
Embodiment 2
As shown in figs. 34: a kind of filtering of polyethylene alcohol basic solution device, it comprises the housing 1 that inside is provided with cavity, by the body seat of honour 3 that fastening bolt 2 is fixedly connected with this housing 1, and communicate with housing 1 internal cavities, be all connected valvular inlet pipeline 4 and outlet conduit 5; The body interior of its housing 1, is also provided with thermal insulation clamp jacket layer 12, and this thermal insulation clamp jacket layer 12 is imported and exported pipeline 13,14 with the thermal insulation medium through this housing 1 and is communicated with, and this housing 1 is divided into shell body 15 and inner housing 16; Its body seat of honour 3 includes the corresponding projection section 18 inserting housing 1 internal cavity; Projection section 18 inside is provided with filtered fluid collecting chamber 6, and this filtered fluid collecting chamber 6 is arranged at the centre position of projection section 18 inside, and its surrounding does not all run through projection section 18; The projection section 18 at the body seat of honour 3 between the cavity of this filtered fluid collecting chamber 6 and housing 1 inside runs through and is provided with seven installing holes 7, this installing hole 7 inner surface is provided with internal thread, coordinate to mate with the end that the stainless steel protection that the outer surface that the filtering accuracy corrugated stainless steel that is 5 ~ 15 μ is folded over filter core is arranged overlaps 8 external screw thread arranged, and the installation realizing filtration core is fixed; Its outlet conduit 5 is directly communicated with filtered fluid collecting chamber 6; This device also includes backwash medium and imports and exports pipeline 9,10, and wherein, backwash medium entrance pipeline 9 is communicated with filtered fluid collecting chamber 6, and backwash media outlet pipeline 10 communicates with housing 1 internal cavities; The top at its body seat of honour 3 is also fixedly installed suspension ring 17.
When filtering of polyethylene alcohol basic solution device in this example is used for the test of polyvinyl delustering fibre, the stoste of filtering is the polyethylene alcohol basic solution 300 liters being added with titanium dioxide delustering agent, in this device, built-in 7 corrugated stainless steels are folded over filter core, the filter area of every root filtration core is 0.215 square metre, filtering accuracy 5U, total filter area 1.5 square metres, and the insulation hot water passing into 98 degree.First stoste is filtered and is completed for 15 minutes, the stoste afterwards in tapping equipment, hot water injection 2 minutes.Filter second batch stoste to complete for same 15 minutes.Good spinnability is shown in the two batches of stoste Spinning below.
Embodiment 3
As shown in Figure 5: a kind of filtering of polyethylene alcohol basic solution device, it comprises the housing 1 that inside is provided with cavity, by the body seat of honour 3 that fastening bolt 2 is fixedly connected with this housing 1, and communicate with housing 1 internal cavities, be all connected valvular inlet pipeline 4 and outlet conduit 5; The body interior of its housing 1, is also provided with thermal insulation clamp jacket layer 12, and this thermal insulation clamp jacket layer 12 is imported and exported pipeline 13,14 with the thermal insulation medium through this housing 1 and is communicated with, and this housing 1 is divided into shell body 15 and inner housing 16; Its body seat of honour 3 includes the corresponding projection section 18 inserting housing 1 internal cavity, and this projection section 18 is cylindric; Projection section 18 inside is provided with filtered fluid collecting chamber 6, this filtered fluid collecting chamber 6 is cylindric with projection section 18 concentric, and be arranged at the centre position of projection section 18 inside, its surrounding does not all run through projection section 18, and the height of this filtered fluid collecting chamber 6 is 1/3rd of its cavity diameter; The projection section 18 at the body seat of honour 3 between the cavity of this filtered fluid collecting chamber 6 and housing 1 inside runs through and is provided with seven installing holes 7, this installing hole 7 inner surface is provided with internal thread, coordinate to mate with the end that the stainless steel protection that the outer surface that the filtering accuracy corrugated stainless steel that is 5 ~ 15 μ is folded over filter core is arranged overlaps 8 external screw thread arranged, and the installation realizing filtration core is fixed; Its outlet conduit 5 is directly communicated with filtered fluid collecting chamber 6.
Claims (10)
1. a filtering of polyethylene alcohol basic solution device, it comprises the housing (1) that inside is provided with cavity, the body seat of honour (3) be fixedly connected with this housing (1), and the inlet pipeline (4) communicated with housing (1) internal cavities and outlet conduit (5); The body interior of its housing (1), also be provided with thermal insulation clamp jacket layer (12), this thermal insulation clamp jacket layer (12) is imported and exported pipeline (13,14) with the thermal insulation medium through this housing (1) and is communicated with, and this housing (1) is divided into shell body (15) and inner housing (16), it is characterized in that: the described body seat of honour (3) includes the corresponding projection section (18) inserting described housing (1) internal cavity; Described projection section (18) inside is provided with filtered fluid collecting chamber (6); This filtered fluid collecting chamber (6) is arranged at the inner centre position of described projection section (18), and its surrounding does not all run through described projection section (18); The projection section (18) at the body seat of honour (3) between the cavity of this filtered fluid collecting chamber (6) and described housing (1) inside runs through and is provided with installing hole (7), this installing hole is all provided with filtration core in (7); Described outlet conduit (5) is directly communicated with described filtered fluid collecting chamber (6).
2. filtering of polyethylene alcohol basic solution device according to claim 1, is characterized in that: the upper corresponding projection section (18) inserting described housing (1) internal cavity of the described body seat of honour (3) is for cylindric; The filtered fluid collecting chamber (6) arranged in this projection section (18) inside is cylindric with described projection section (18) concentric, and this filtered fluid collecting chamber (6) is highly 1/1 to six/2nd of its cavity diameter.
3. filtering of polyethylene alcohol basic solution device according to claim 1 or 2, is characterized in that: described filtration core, includes inner core, and at the stainless steel protection cover (8) that interior core outer surface is arranged; Described inner core adopts metal folding filtration core.
4. filtering of polyethylene alcohol basic solution device according to claim 3, is characterized in that: described inner core adopts stainless steel to be folded over filter core; Described filtration core is set to 3 cores, 5 cores, 7 cores or 19 cores; The projection section (18) at the body seat of honour (3) between the cavity of described filtered fluid collecting chamber (6) and described housing (1) inside runs through installing hole (7) and the filtration core of setting, be threaded connection.
5. filtering of polyethylene alcohol basic solution device according to claim 1 or 2, it is characterized in that: described filtering of polyethylene alcohol basic solution device, also include backwash medium and import and export pipeline (9,10), wherein, backwash medium entrance pipeline (9) is communicated with filtered fluid collecting chamber (6), and backwash media outlet pipeline (10) communicates with housing (1) internal cavities.
6. filtering of polyethylene alcohol basic solution device according to claim 3, it is characterized in that: described filtering of polyethylene alcohol basic solution device, also include backwash medium and import and export pipeline (9,10), wherein, backwash medium entrance pipeline (9) is communicated with filtered fluid collecting chamber (6), and backwash media outlet pipeline (10) communicates with housing (1) internal cavities.
7. filtering of polyethylene alcohol basic solution device according to claim 4, it is characterized in that: described filtering of polyethylene alcohol basic solution device, also include backwash medium and import and export pipeline (9,10), wherein, backwash medium entrance pipeline (9) is communicated with filtered fluid collecting chamber (6), and backwash media outlet pipeline (10) communicates with housing (1) internal cavities.
8. filtering of polyethylene alcohol basic solution device according to claim 5, it is characterized in that: described filtering of polyethylene alcohol basic solution device, also separately be provided with a backwash medium entrance pipeline (11), and the backwash medium entrance pipeline (11) this separately established is communicated with filtered fluid collecting chamber (6); The top of the described body seat of honour (3) is also fixedly installed suspension ring (17); The described body seat of honour (3) and described housing (1) are bolted.
9. filtering of polyethylene alcohol basic solution device according to claim 6, it is characterized in that: described filtering of polyethylene alcohol basic solution device, also separately be provided with a backwash medium entrance pipeline (11), and the backwash medium entrance pipeline (11) this separately established is communicated with filtered fluid collecting chamber (6); The top of the described body seat of honour (3) is also fixedly installed suspension ring (17); The described body seat of honour (3) and described housing (1) are bolted.
10. filtering of polyethylene alcohol basic solution device according to claim 7, it is characterized in that: described filtering of polyethylene alcohol basic solution device, also separately be provided with a backwash medium entrance pipeline (11), and the backwash medium entrance pipeline (11) this separately established is communicated with filtered fluid collecting chamber (6); The top of the described body seat of honour (3) is also fixedly installed suspension ring (17); The described body seat of honour (3) and described housing (1) are bolted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410179425.3A CN105013228A (en) | 2014-04-30 | 2014-04-30 | Polyving akohol stock solution filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410179425.3A CN105013228A (en) | 2014-04-30 | 2014-04-30 | Polyving akohol stock solution filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105013228A true CN105013228A (en) | 2015-11-04 |
Family
ID=54403747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410179425.3A Pending CN105013228A (en) | 2014-04-30 | 2014-04-30 | Polyving akohol stock solution filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105013228A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0631112A (en) * | 1992-05-27 | 1994-02-08 | Lenzing Ag | Back washable filter device for filtering highly viscous liquid |
| CN101580980A (en) * | 2009-06-10 | 2009-11-18 | 张家港市港鹰实业有限公司 | Filter for wet spinning carbon fiber precursor spinning machine |
| CN102505154A (en) * | 2011-11-17 | 2012-06-20 | 曾华良 | Large-area spinning filter |
| CN202654776U (en) * | 2012-05-09 | 2013-01-09 | 中节能六合天融环保科技有限公司 | Heat-insulating filter with metal powder sintered filter element for filtering magnesium sulphate saturated solution |
| WO2013114329A1 (en) * | 2012-02-03 | 2013-08-08 | Boll & Kirch Filterbau Gmbh | Backflush type filter |
-
2014
- 2014-04-30 CN CN201410179425.3A patent/CN105013228A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0631112A (en) * | 1992-05-27 | 1994-02-08 | Lenzing Ag | Back washable filter device for filtering highly viscous liquid |
| CN101580980A (en) * | 2009-06-10 | 2009-11-18 | 张家港市港鹰实业有限公司 | Filter for wet spinning carbon fiber precursor spinning machine |
| CN102505154A (en) * | 2011-11-17 | 2012-06-20 | 曾华良 | Large-area spinning filter |
| WO2013114329A1 (en) * | 2012-02-03 | 2013-08-08 | Boll & Kirch Filterbau Gmbh | Backflush type filter |
| CN202654776U (en) * | 2012-05-09 | 2013-01-09 | 中节能六合天融环保科技有限公司 | Heat-insulating filter with metal powder sintered filter element for filtering magnesium sulphate saturated solution |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202000034U (en) | Spinneret plate cleaning device | |
| CN105126402A (en) | Automatic back-washing plate frame filter | |
| CN203842370U (en) | Backwash filter device | |
| CN203139710U (en) | Water treatment filter | |
| CN105013228A (en) | Polyving akohol stock solution filtering device | |
| CN210521990U (en) | Automatic back flush filtration equipment | |
| CN105344155A (en) | Apparatus for removing hair from sludge | |
| CN202277727U (en) | Automatic backwashing viscose filtering machine | |
| CN2923263Y (en) | Filtering machine head of plastic granulating machine | |
| CN214209621U (en) | Hydraulic control type backwashing filter device | |
| CN202666701U (en) | Three-way connector | |
| CN203090569U (en) | Waste acid purification and recovery system | |
| CN201344077Y (en) | Filter element on air cleaner of automobile | |
| CN207343359U (en) | A kind of full-automatic hydrocarbon ultrasonic cleaning apparatus of three grooves | |
| CN207575882U (en) | The filter system that lye depth recycles in a kind of viscose rayon production | |
| CN102626565B (en) | Back flushing filter | |
| CN202478682U (en) | Filter | |
| CN219879252U (en) | Advanced purification treatment mechanism for papermaking wastewater | |
| CN205995144U (en) | The defecator producing for benzyl alcohol | |
| CN213942272U (en) | Filtering device using pressurized reverse cleaning mode of filter cartridge | |
| CN214174385U (en) | Full-automatic shrinkage testing machine | |
| CN214913843U (en) | Novel alkali liquor filter | |
| CN219251832U (en) | Quartz sand water filtering device | |
| CN205368573U (en) | Novel spinning complete set | |
| CN213407897U (en) | Fabric printing and dyeing wastewater treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151104 |
|
| RJ01 | Rejection of invention patent application after publication |