CN204841123U - A scraper that is used for papermaking waste residue granulation filter - Google Patents
A scraper that is used for papermaking waste residue granulation filter Download PDFInfo
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- CN204841123U CN204841123U CN201520610742.6U CN201520610742U CN204841123U CN 204841123 U CN204841123 U CN 204841123U CN 201520610742 U CN201520610742 U CN 201520610742U CN 204841123 U CN204841123 U CN 204841123U
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- scraper
- filter
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Abstract
The utility model relates to a paper technology field, concretely relates to a scraper that is used for papermaking waste residue granulation filter, the scraper sets up the feeding intracavity at the filter, the scraper cooperatees with the micropore board of filter, and the drive arrangement of filter drives the scraper is followed remove the side of micropore board the scraper removes the in -process, attaches impurity on the micropore board is pushed to row's cinder notch of filter. In the above -mentioned scheme of this application, sediment in -process is being scraped through the scraper, and whole filter does not need to shut down, so, the production efficiency that at first has been very big improvement, and outside need not taking out the casing with the micropore board, practiced thrift removing and installation steps of micropore board, when having avoided calorific loss extravagant, still reduced workman's intensity of labour, further assurance production efficiency, and for gas in the cavity can not enter into outside air circumstance, and then, reduced the pollution, guarantee that operational environment is not contaminated.
Description
Technical field
The utility model relates to pulp technology for making paper, is specifically related to a kind of scraper for waste sludge from paper mill granulation filter.
Background technology
Along with the reinforcement of people's environmental consciousness and country are to the attention of environment protection treating, various production waste residue adopts the mode of landfill or burning unworkable again, the harmless treatment of producing waste residue has become very urgent problems, the process line of current various waste residue runs in succession, and is also in the starting stage at present for the process line of waste sludge from paper mill.
The main component of waste sludge from paper mill is plastic skin, the current process essence for waste sludge from paper mill is exactly the recycling for waste or used plastics skin, current general flow is, successively the operations such as fragmentation, separation, cleaning, rinsing, dehydration, oven dry, granulation are carried out to waste sludge from paper mill, so make waste or used plastics be recycled.
Owing to there is a large amount of impurity in waste sludge from paper mill, so in granulating working procedure, need the various impurity filtered out in waste or used plastics, to ensure that the plastic grain finally obtained has good degree of purity.The technical scheme of carrying out contaminant filter at present adopts wire gauzee filter, as shown in accompanying drawing one: its primary structure comprises housing 1, screen apparatus 2, hydraulic cylinder 3, Hydraulic Station 4, electric-control system 5, screen apparatus 2 is provided with two identical silk screens 6.Its operation principle is: the waste sludge from paper mill with impurity after plasticizing is that fluid forms plasticizing fluid; under the promotion of comminutor screw rod, extruding enters wire gauzee filter; clean plasticizing fluid is discharged from housing 1 discharging opening 7 by silk screen 6; impurity is stopped by silk screen 6 and is accumulated in silk screen 6 front, so realizes the filtration to impurity.
The wire gauzee filter of said structure, carrying out in the filtration course of work, because impurity is stopped in silk screen 6 front, after the accumulation of certain hour, impurity blocking silk screen 6, clean plasticizing fluid is also difficult to continue across silk screen 6 again, now, need to start Hydraulic Station 4 by electric-control system 5, under the promotion of hydraulic cylinder 3, the screen apparatus 2 on top moves down into operating position, bottom screen apparatus 2 is pushed out housing 1 together with impurity, for subsequent use after being manually replaced with new silk screen 6, treat top silk screen 6 impurities accumulation to a certain extent, hydraulic cylinder 3 retracts screen apparatus 2, bottom screen apparatus 2 enters operating position, manually top screen apparatus 2 is replaced with new silk screen 6, and so forth, realize the replacing to silk screen 6, ensure carrying out smoothly of filtration.
As Chinese invention patent, application number is: CN201410663371.8, and one does not shut down net-changing device, extruder die and extruding machine, and namely what it adopted is said structure.
Although the wire gauzee filter of said structure has certain filter effect to the impurity in waste sludge from paper mill, in actual use, present inventor finds, the wire gauzee filter of said structure also exists unavoidable technical problem, specific as followsly states:
First be the loss of energy, reciprocal alternately changes silk screen 6, changing silk screen 6 process is release outside housing 1 by the screen apparatus 2 in filter housings 1, heats a large amount of in housing 1 must be taken out of housing 1 outside, first be the loss causing this partial heat, what is more important, new screen apparatus 2 enters in casing 1, because the temperature of casing 1 outside is far below the temperature of casing 1 internal plasticiztion fluid, so, when new screen apparatus 2 enters in casing 1, during with hot plasticizing fluid contact, the part contacted with screen apparatus 2 plastifies fluid and lowers the temperature rapidly, mobile performance sharply reduces, even occur time serious solidifying, and then make when adopting new silk screen 6, also the situation that clean plasticizing fluid can not be extruded smoothly may be there is, now need to wait for that the plasticizing fluid of other parts melts the plasticizing fluid solidified, then normal filtration work could be started, or this screen apparatus 2 is taken out preheating and then loads in casing 1, whole operation is complicated, not only significantly increases the labour intensity of workman, but also has stopped over whole production procedure, reduces production efficiency,
Secondly, draping step is frequently carried out, and in draping process, wire gauzee filter is in stopped status, directly reduces production efficiency;
Again on the one hand, because plasticizing fluid is hot state, in the Renewal process of silk screen, there is the danger of scalding operating personnel; And, in the Renewal process of silk screen, also can take flue gas out of, pollute working environment, health risk is caused to operating personnel.
Summary of the invention
The purpose of this utility model is, for current silk screen filter device above shortcomings, provides one to reduce labor strength, saves energy consumption, and the filter that can enhance productivity.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of scraper for waste sludge from paper mill granulation filter, described scraper is arranged in the feed cavity of filter, described scraper matches with the microwell plate of filter, the drive unit of filter drives described scraper to move along the side of described microwell plate, in described scraper moving process, the impurity be attached on described microwell plate is pushed to the slag-drip opening of filter.
In the such scheme of the application, plasticizing fluid enters in the cavity of casing by charging aperture, then through microwell plate, discharge from discharging opening again, impurity in plasticizing fluid is stopped by microwell plate, and be attached on microwell plate, scraper driven device drives, and in scraper moving process, the impurity be attached on microwell plate is pushed to slag-drip opening, adopt in such a way, scraped by the impurity be attached on microwell plate and discharge, being scraped in slag process by scraper, whole filter does not need to shut down, so, be first greatly improve production efficiency; And do not need microwell plate to take out outside casing, save dismounting and the installation steps of microwell plate, while avoiding thermal loss waste, also reduced the labour intensity of workman, further ensure production efficiency; And, also just because of the dismounting of saving microwell plate and installation steps, make the gas in cavity to enter into outside atmosphere, and then, reduce pollution, ensure that working environment is not contaminated.
As the preferred version of the application, described scraper comprises cutter hub and is arranged on the blade on described cutter hub, matches in the side that described blade is positioned at described feed cavity with described microwell plate.
In the such scheme of the application, due under scraper duty, the effect that each position of scraper is played is different, so, scraper is divided into cutter hub and blade two parts, facilitates the structural design of scraper, make the working environment that scraper more can be applicable in filter.
As the preferred version of the application, when described drive unit drives scraper to rotate, the side of meeting to impurity is front side, and the side deviating from impurity is rear side, and described blade is arranged on the Lower Half on front side of described cutter hub.Due in scraper rotation process, front side primarily of cutter hub scrapes and promotes the impurity on microwell plate, so, blade is arranged on the front side of cutter hub, first be make blade can obtain good support, it also avoid cutter hub simultaneously and be subject to excessive friction, blade is arranged on the latter half on front side of cutter hub, first be under ensureing that scraper scrapes the prerequisite of impurity on microwell plate, reduce the size of blade as far as possible, reduce the cost of scraper, simultaneously, because the first half on front side of cutter hub is provided with the first curved portions seamlessly transitted with arc convex, the resistance that further reduction scraper is subject to, further guarantee plastifies the efficiency of fluid through microwell plate.
As the preferred version of the application, the side that the front side of described cutter hub and rear side and described microwell plate are positioned at described feed cavity is perpendicular.Reduce the stop of scraper to plasticizing fluid, ensure the efficiency of plasticizing fluid through microwell plate.
As the preferred version of the application, described cutter hub is lower end near one end of described microwell plate, one end away from described microwell plate is upper end, and the upper end of described cutter hub is provided with an arc convex, and described arc convex is connected smoothly with the front side of described cutter hub and rear side respectively.
Under in working order, plasticizing fluid carry out the vertical and microwell plate of flow path direction, so, in the such scheme of the application, in the upper end of cutter hub, arc convex is set, front side and the rear side of arc convex and cutter hub seamlessly transit, and reduce the resistance that scraper is subject to, and ensure the efficiency of plasticizing fluid through microwell plate further.
As the preferred version of the application, the first half on rear side of described cutter hub is provided with the second curved portions seamlessly transitted with described arc convex, the first half on front side of described cutter hub is provided with the first curved portions seamlessly transitted with described arc convex, described first curved portions and the second curved portions are circular arc, and the arc radius of described first curved portions is greater than the arc radius of described second curved portions.
As the preferred version of the application, the arc radius of the first curved portions is greater than the arc radius of the second curved portions, that is, in the blade construction of the application, distance on front side of the central axis distance cutter hub of arc convex is less than the distance on rear side of the central axis distance cutter hub of arc convex, when plasticizing positive fluid pressure is on cutter hub, cutter hub has the component leaned forward on front side of cutter hub, ensure the tight engagement of blade and microwell plate, and then guarantee the application scraper can impurity reliably on hanging fascia microwell plate.
Compared with prior art, the beneficial effects of the utility model:
1: scraped by the impurity be attached on microwell plate and discharge, scraped in slag process by scraper, whole filter does not need to shut down, so, be first greatly improve production efficiency;
2: do not need microwell plate to take out outside casing, saved dismounting and the installation steps of microwell plate, avoiding thermal loss waste;
3: the labour intensity reducing workman, further ensures production efficiency;
4: the gas in cavity can not enter into outside atmosphere, and then, reduce environmental pollution.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing filter,
Fig. 1 marks:
1-housing, 2-screen apparatus, 3-hydraulic cylinder, 4-Hydraulic Station, 5-electric-control system, 6-silk screen,
Fig. 2 is the structural representation of the filter adopting the application's scraper;
Fig. 3 is the structural representation of scraper;
Fig. 4 is the schematic diagram in A-A cross section in Fig. 3,
Mark in 2,3 and 4 in figure:
1-scraper, 2-feed cavity, 3-microwell plate, 4-drive unit, 5-slag-drip opening, 6-charging aperture, 7-discharging opening, 8-cutter hub, 9-blade, 10-arc convex, 11-first curved portions, 12-second curved portions.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be understood to, specific embodiment described herein only in order to explain the utility model, and is not used in restriction the utility model.
Embodiment 1, as Fig. 2,3, shown in 4:
A kind of scraper for waste sludge from paper mill granulation filter, described scraper 1 is arranged in the feed cavity 2 of filter, described scraper 1 matches with the microwell plate 3 of filter, the drive unit 4 of filter drives described scraper 1 to move along the side of described microwell plate 3, in described scraper 1 moving process, the impurity be attached on described microwell plate 3 is pushed to the slag-drip opening 5 of filter.
In the such scheme of the present embodiment, plasticizing fluid enters in the cavity of casing by charging aperture 6, then through microwell plate 3, discharge from discharging opening 7 again, impurity in plasticizing fluid is stopped by microwell plate 3, and be attached on microwell plate 3, scraper 1 driven device 4 drives, and in scraper 1 moving process, the impurity be attached on microwell plate 3 is pushed to slag-drip opening 5, adopt in such a way, scraped by the impurity be attached on microwell plate 3 and discharge, scraping in slag process by scraper 1, whole filter does not need to shut down, so, be first greatly improve production efficiency; And do not need microwell plate 3 to take out outside casing, save dismounting and the installation steps of microwell plate 3, while avoiding thermal loss waste, also reduced the labour intensity of workman, further ensure production efficiency; And, also just because of dismounting and the installation steps of having saved microwell plate 3, make the gas in cavity to enter into outside atmosphere, and then, reduce pollution, ensure that working environment is not contaminated.
Embodiment 2, as Fig. 2,3, shown in 4:
As the scraper of embodiment 1, the blade 9 that described scraper 1 comprises cutter hub 8 and is arranged on described cutter hub 8, match in the side that described blade 9 is positioned at described feed cavity 2 with described microwell plate 3, when described drive unit 4 drives scraper 1 to rotate, the side of meeting to impurity is front side, the side deviating from impurity is rear side, described blade 9 is arranged on the Lower Half on front side of described cutter hub 8, the side that the front side of described cutter hub 8 and rear side and described microwell plate 3 are positioned at described feed cavity 2 is perpendicular, described cutter hub 8 is lower end near one end of described microwell plate 3, one end away from described microwell plate 3 is upper end, the upper end of described cutter hub 8 is provided with an arc convex 10, described arc convex 10 is connected smoothly with the front side of described cutter hub 8 and rear side respectively.
In the such scheme of the present embodiment, due under scraper 1 duty, the effect that each position of scraper 1 is played is different, so, scraper 1 is divided into cutter hub 8 and blade 9 two parts, facilitates the structural design of scraper 1, make the working environment that scraper 1 more can be applicable in filter, due in scraper 1 rotation process, front side primarily of cutter hub 8 scrapes and promotes the impurity on microwell plate 3, so, blade 9 is arranged on the front side of cutter hub 8, first be make blade 9 can obtain good support, it also avoid cutter hub 8 simultaneously and be subject to excessive friction, blade 9 is arranged on the latter half on front side of cutter hub 8, first be under guarantee scraper 1 scrapes the prerequisite of impurity on microwell plate 3, reduce the size of blade 9 as far as possible, reduce the cost of scraper 1, simultaneously, because the first half on front side of cutter hub 8 is provided with the first curved portions 11 seamlessly transitted with arc convex 10, the resistance that further reduction scraper 1 is subject to, further guarantee plastifies the efficiency of fluid through microwell plate 3, plasticizing fluid carry out the vertical and microwell plate 3 of flow path direction, so, in the such scheme of the present embodiment, in the upper end of cutter hub 8, arc convex 10 is set, front side and the rear side of arc convex 10 and cutter hub 8 seamlessly transit, reduce the resistance that scraper 1 is subject to, ensure the efficiency of plasticizing fluid through microwell plate 3 further.
Embodiment 3, as Fig. 2,3, shown in 4:
As the scraper of embodiment 2, the first half on front side of described cutter hub 8 is provided with the first curved portions 11 seamlessly transitted with described arc convex 10, the first half on rear side of described cutter hub 8 is provided with the second curved portions 12 seamlessly transitted with described arc convex 10, described first curved portions 11 and the second curved portions 12 are circular arc, and the arc radius of described first curved portions 11 is greater than the arc radius of described second curved portions 12.
In the described scheme of the present embodiment, the arc radius of the first curved portions 11 is greater than the arc radius of the second curved portions 12, that is, in scraper 1 structure of the present embodiment, distance on front side of the central axis distance cutter hub 8 of arc convex 10 is less than the distance on rear side of the central axis distance cutter hub 8 of arc convex 10, when plasticizing positive fluid pressure is on cutter hub 8, cutter hub 8 has the component leaned forward on front side of cutter hub 8, ensure the tight engagement of blade 9 and microwell plate 3, and then ensure that the present embodiment scraper 1 can impurity reliably on hanging fascia microwell plate 3.
Any amendment done within all spirit bright at the utility model and principle, equivalently to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. the scraper for waste sludge from paper mill granulation filter, it is characterized in that: described scraper is arranged in the feed cavity of filter, described scraper matches with the microwell plate of filter, the drive unit of filter drives described scraper to move along the side of described microwell plate, in described scraper moving process, the impurity be attached on described microwell plate is pushed to the slag-drip opening of filter.
2. scraper as claimed in claim 1, is characterized in that: described scraper comprises cutter hub and is arranged on the blade on described cutter hub, matches in the side that described blade is positioned at described feed cavity with described microwell plate.
3. scraper as claimed in claim 2, is characterized in that: when described drive unit drives scraper to rotate, the side of meeting to impurity is front side, and the side deviating from impurity is rear side, and described blade is arranged on the Lower Half on front side of described cutter hub.
4. scraper as claimed in claim 3, is characterized in that: the side that the front side of described cutter hub and rear side and described microwell plate are positioned at described feed cavity is perpendicular.
5. scraper as claimed in claim 4, it is characterized in that: described cutter hub is lower end near one end of described microwell plate, one end away from described microwell plate is upper end, the upper end of described cutter hub is provided with an arc convex, and described arc convex is connected smoothly with the front side of described cutter hub and rear side respectively.
6. scraper as claimed in claim 5, it is characterized in that:, the first half on front side of described cutter hub is provided with the first curved portions seamlessly transitted with described arc convex, the first half on rear side of described cutter hub is provided with the second curved portions seamlessly transitted with described arc convex, described first curved portions and the second curved portions are circular arc, and the arc radius of described first curved portions is greater than the arc radius of described second curved portions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520610742.6U CN204841123U (en) | 2015-08-13 | 2015-08-13 | A scraper that is used for papermaking waste residue granulation filter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520610742.6U CN204841123U (en) | 2015-08-13 | 2015-08-13 | A scraper that is used for papermaking waste residue granulation filter |
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| Publication Number | Publication Date |
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| CN204841123U true CN204841123U (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520610742.6U Active CN204841123U (en) | 2015-08-13 | 2015-08-13 | A scraper that is used for papermaking waste residue granulation filter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109550294A (en) * | 2018-10-23 | 2019-04-02 | 江苏华卓智能过滤装备系统有限公司 | A kind of self-cleaning filter |
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2015
- 2015-08-13 CN CN201520610742.6U patent/CN204841123U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109550294A (en) * | 2018-10-23 | 2019-04-02 | 江苏华卓智能过滤装备系统有限公司 | A kind of self-cleaning filter |
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