CN101485943B - Rubber belt type vacuum filter discharge device - Google Patents
Rubber belt type vacuum filter discharge device Download PDFInfo
- Publication number
- CN101485943B CN101485943B CN200810121787.1A CN200810121787A CN101485943B CN 101485943 B CN101485943 B CN 101485943B CN 200810121787 A CN200810121787 A CN 200810121787A CN 101485943 B CN101485943 B CN 101485943B
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- CN
- China
- Prior art keywords
- scraper
- air bag
- belt type
- rubber belt
- type vacuum
- 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.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- -1 polypropylene Polymers 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 5
- 238000007790 scraping Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 abstract description 23
- 238000007599 discharging Methods 0.000 abstract description 12
- 230000001105 regulatory effect Effects 0.000 abstract description 8
- 230000009471 action Effects 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 abstract 2
- 239000012065 filter cake Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003828 vacuum filtration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to a scraper discharging device, in particular to the scraper discharging device of filtration fabric of a rubber belt type vacuum filter. The scraper discharging device comprises a scraper support saddle and a scraper bracket arranged on the scraper support saddle, wherein the scraper bracket is pivoted with a scraper by a bearing; the scraper comprises a scraper body and a squeeze plate for squeezing the scraper body; the scraper body and the squeeze plate are positioned at the two sides of the bearing respectively; one ends of a plurality of bent levers are fixedly connected with the squeeze plate of the scraper; and the other ends of the bend levers are linked with an air bag. The output force of the air bag can be controlled by adjusting inlet pressure through a pressure regulating valve so as to conveniently adjust condition of the action of the scraper and a discharging roll and avoid damage to the filtration fabric.
Description
Technical field
The present invention relates to the scraper discharging device, relate in particular to a kind of scraper discharging device of filter cloth of rubber belt type vacuum filter.
Background technology
Vacuum filter is the equipment that is used in various Separation of Solid and Liquid.
The general principle of rubber belt type vacuum filter discharge device: the filter cake that the process vacuum filtration blots is along with filter cloth moves continuously, when running to the discharge rolls place, because of its curvature becomes big (radius of curvature diminishes), make filter cake more easily peel off filter cloth, with scraper steel wire or sheet-type scraper filter cake is peeled off row again and unload.
The device for discharging that applies to rubber belt type vacuum filter at present has the Weight type doctor blade device.Mainly contain on the composition and scrape knife support, scraper, scraper bearing, weight etc., rely on counterweight to carry out first scraper adjustment.Mainly be not easy to subsequent dynamic and adjust the scraper state, after promptly first the adjustment, when equipment needed to adjust doctor position after operation a period of time, be inconvenient to operate.Another kind of rubber belt type vacuum filter discharge device adopts the air-cylinder type doctor blade device.Mainly contain on the composition and scrape knife support, scraper, scraper bearing, cylinder, cylinder mount pad etc., rely on cylinder action carrying out doctor position adjustment.Adopt cylinder as executive component, can realize the in good time adjustment of scraper state, but because the installation relative complex of cylinder causes whole device for discharging structure huge easily.Simultaneously at the strong operating mode of corrosivity, the easy corrosion of cylinder moving spare sealing place causes gas leakage and lost efficacy.
Summary of the invention
The purpose of this invention is to provide a kind of scraper discharging device that is easy to regulate the scraper state.
Above-mentioned technical purpose of the present invention is achieved by the following technical programs:
A kind of rubber belt type vacuum filter discharge device, comprise a scraper bearing and the knife support of scraping that is arranged on the described scraper bearing, the described knife support of scraping has a doctor blade holder by a bearing hinge joint, on the described doctor blade holder scraper is installed, one end of several curved bars is connected on the described doctor blade holder, and the other end of described curved bar is related with an air bag.
Described rubber belt type vacuum filter discharge device is installed on the vacuum filter and is relative with discharge rolls, the filter cake that the process vacuum filtration blots is along with filter cloth moves continuously, when the filter cake on the filter cloth runs to the discharge rolls place, because of its curvature becomes big, make filter cake more easily peel off filter cloth, the scraper that be oppositely arranged with discharge rolls this moment is wiped the filter cake on the filter cloth off.Because common scraper adopts rigid element to regulate and control the distance and the relative angle of itself and discharging rod, active force between discharge rolls and the scraper is a rigidity, cause the bigger gap of generation between scraper and the discharge rolls easily, perhaps, the gap between scraper and the discharging rod is too small; Like this or cause the part filter cake not laid down, or cause the active force of the filter cloth on scraper and the discharge rolls excessive and damage filter cloth.The present invention adopts the other end of air bag and curved bar related, by the soft active force on the air bag to the start curved bar, curved bar is subjected to making scraper rotate around bearing after being used as power of air bag, thereby regulated the distance between described scraper knife edge place and the discharge rolls, promptly regulated the active force between scraper and the filter cloth.
The present invention is installed in scraper on the doctor blade holder, doctor blade holder fixed clamp scraper can make that blade geometry is stable and be easy to change, and the both sides that scraper and doctor blade holder can be in bearing respectively make scraper to rotate and regulate distance between the scraper knife edge and the discharge tube around bearing.Doctor blade holder is connected with curved bar to obtain to make the power of scraper rotation, and described curved bar can be the very little bar of angle even can be common bar.But, those skilled in the art will appreciate that when described curved bar had certain turnover tendency, the power that air bag can be less drove the scraper rotation.
Two parts of scraper of the present invention can be one-body molded, and promptly doctor blade holder and scraper one those having ordinary skill in the art will appreciate that the advantage of the relative split design of above-mentioned structure is that cost is low, firmly.
Scraper bearing of the present invention there is no the requirement of special shape structure, its effect is the support that scraper is set, described support is a shelf that is installed on the bearing, it is in order to articulate scraper, for above-mentioned two parts, those of ordinary skills can be designed to multiple pattern according to needs according to its function, and this all within the scope of the invention.
In order to regulate the distance between scraper and the discharge rolls more neatly, as of the present invention preferred, described air bag is an adjustable-pressure.Air bag is an adjustable-pressure, be that the interior gas pressure of air bag can be regulated, usually the interface of setting and extraneous source of the gas gets final product on air bag, extraneous source of the gas is by the pressure in the interface change air bag, pressure in the air bag is big, and then air bag can provide and make the power of scraper rotation also bigger, and the active force between scraper and the discharge rolls is rigidity more then, otherwise the active force between scraper and the discharge rolls is then more flexible.
In order further to improve the flexibility that active force is regulated between scraper of the present invention and the discharge rolls, as present invention further optimization, described air bag connects a source of the gas by tracheae.By the directly in good time communicated air bags of external air source, can regulate the pressure in the air bag at any time.
In order to make air bag that better foothold be arranged, also for described tracheae arrange more appropriate, further preferred as such scheme, described air bag is installed on the channel-section steel support that is arranged on the scraper bearing, described tracheae is arranged in the described channel-section steel support.Described channel-section steel promptly offers the steel column of groove, and its fluting is to provide convenience in order to arrange to tracheae.Avoid tracheae to be disturbed by other parts.
As preferably, described tracheae is connected with air valve.The air valve of on the tracheae pipeline, connecting, the convenient pressure of regulating in time in the air bag of described air valve.
As preferably, described air bag top is provided with hold-down arm, and the other end of described curved bar is related with air bag by hold-down arm.Described hold-down arm is fixedlyed connected with the air bag top, hold-down arm promptly becomes the relating dot of the other end of air bag and curved bar, and the effect that air bag produces power by hold-down arm and curved bar is by hold-down arm start curved bar, curved bar rotates around bearing, thereby changes the distance of scraper and discharge rolls.
As preferably, described air bag is covered with the air bag cylinder, the corresponding surface opening of the other end of described air bag cylinder and curved bar.Cover air bag with the air bag cylinder and can prevent effectively that air bag from damaging, the other end of curved bar is related in the air bag cylinder with air bag, therefore gos deep in the air bag cylinder related with air bag for curved bar at air bag cylinder and curved bar corresponding surface opening.
As preferably, described air bag cylinder is provided with the stopping means of restriction hold-down arm displacement.Described stopping means is set prevents that the curved bar rotation is excessive, the maximum rotation amount of scraper can be set by the setting of stopping means.
Further preferred as such scheme, described stopping means is a stop screw, offers in order to the screwed hole of described stop screw to be installed above the described air bag cylinder.Upper surface at the air bag cylinder is provided with stop screw, and described stop screw can be regulated by the screwed hole rotation, can in time regulate the distance between scraper and discharge rolls as required.
As of the present invention preferred, described scraper polypropylene scraper, described bearing is a nylon bearing.Because the working condition complexity of filter, corroded easily under multiple situation, it is that material is made scraper and bearing that the present invention adopts polypropylene, nylon, has not only avoided corresponding corrosion, and scraper and discharge rolls are fitted, the while is the easy damaged filter cloth not.
In sum, the present invention has following beneficial effect:
1, the present invention has adopted flexible scraper and discharge rolls to match, and its strong adaptability unloads applicable to the row of various materials;
2, air bag power output of the present invention can be regulated admission pressure by pressure regulator valve and controlled, thereby conveniently regulates the effect situation that scraper and discharging are rolled;
3, the present invention adopts channel-section steel welded type installing rack, and simple in structure, each tracheae is arranged in channel-section steel inside, and notch is sealed with thin plate, and is both attractive in appearance, can protect tracheae again;
4, the present invention adopts position limiting structure to regulate the air bag impulse stroke, effectively protects air bag;
5, rubber belt type vacuum filter discharge device scraper of the present invention adopts PP (polypropylene) plate to shape, and has wear-resisting, whippy advantage, the discharge rolls of can effectively fitting in the course of the work, and filter cloth can not wear and tear again;
6, the present invention adopts the scraper of pivot joint, and by the rotation of curved bar control scraper, this can conveniently adjust the effect situation of scraper and discharge rolls simultaneously;
7, rubber belt type vacuum filter discharge device rolling bearing of the present invention adopts nylon bearing, can effectively prevent corrosion, long service life;
8, rubber belt type vacuum filter discharge device of the present invention adopts the monosaccate cylinder as executive component, dependable performance, and adaptability is strong;
9, rubber belt type vacuum filter discharge device of the present invention adopts curved bar structures air bag hold-down arm fixation balloon top, makes full use of lever arm of force, effectively reduces the operating pressure of air bag, can prolong the service life of air bag, and is simultaneously simple in structure, easy for installation;
10, rubber belt type vacuum filter discharge device of the present invention is provided with stopping means, but timely adjustment air bag impulse stroke, the applying power of adjustment scraper and filter cloth, effectively the removal filter cake does not damage filter cloth again.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1;
Fig. 2 is the A portion enlarged drawing of the embodiment of the invention 1.
Specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
This specific embodiment only is an explanation of the invention; it is not a limitation of the present invention; those skilled in the art can make the modification that does not have creative contribution to present embodiment as required after reading this specification, but as long as all are subjected to the protection of Patent Law in claim scope of the present invention.
Embodiment 1: as Fig. 1, shown in 2, a kind of rubber belt type vacuum filter discharge device, it is used on the filter, described filter comprises filter cloth 1, filter cloth 1 is by discharge rolls 10 time, filter cloth 1 becomes tortuous, attached to the filter cake fold on the filter cloth 1, be provided with rubber belt type vacuum filter discharge device of the present invention in described discharge rolls 10 place's correspondences, it comprises that a scraper bearing 11 and one are arranged on and scrapes knife support 17 on the described scraper bearing 11, the described knife support 17 of scraping is articulated with a doctor blade holder 3 by a bearing 16, a scraper 2 is installed on the described doctor blade holder 3, one end of four curved bars 9 is connected in the lower end of described doctor blade holder 3, and described four curved bars 9 are evenly distributed, and the other end of described curved bar 9 is related with the hold-down arm 14 on the air bag 7, described air bag 7 is connected with tracheae 8, and air bag 7 connects a source of the gas (not shown) by tracheae 8.Described air bag 7 is installed on the channel-section steel support 13 that is arranged on the scraper bearing 11, and described tracheae 8 is arranged in the described channel-section steel support 13.The opening surface of described channel-section steel support 13 is equipped with plate washer 12.Scraper bearing 11 is installation parents of the present invention in fact, and it is mainly makes bracing or strutting arrangement of the present invention.Described tracheae 8 is connected with the air valve (not shown).Can control pressure in the air bag 7 by described air valve, described air bag 7 tops are provided with hold-down arm 14, and the other end of described curved bar 9 is related with air bag 7 by hold-down arm 14, and promptly the related of curved bar 9 and air bag 7 is to realize by the hold-down arm on the air bag 7 14.Described air bag 7 is covered with air bag cylinder 6, the corresponding surface opening of the other end of described air bag cylinder 6 and curved bar 9.Air bag cylinder 6 of the present invention is welded on the channel-section steel support 13, curved bar 9 is up and down with the distance between control scraper 2 and the discharge rolls 10 at the opening surface of air bag cylinder 6, air bag cylinder 6 is provided with the stop screw 5 of restriction hold-down arm 14 displacements, offers above the air bag cylinder 6 in order to the screwed hole of described stop screw 5 to be installed.Scraper 2 is that polypropylene is made, and bearing 16 is that nylon is made.
When the present invention continued by discharge rolls when filter cloth, the filter cake on it was wiped off by cutter hub, and power is air bag after providing to cutter, and it is for the power softness, and when running into the filter cake that is difficult to hang, cutter hub can be made a concession, and can not damage filter cloth.The present invention also can regulate the tightness of combination between scraper and filter cloth by the pressure in the adjusting air bag, and the effect of filter cake is struck off in regulation and control in good time, controls the maximum rotation amount of scraper simultaneously by rising or decline stop screw.
Claims (9)
1. rubber belt type vacuum filter discharge device, comprise a scraper bearing and the knife support of scraping that is arranged on the described scraper bearing, the described knife support of scraping has a doctor blade holder by a bearing hinge joint, on the described doctor blade holder scraper is installed, it is characterized in that: an end of several curved bars is connected on the described doctor blade holder, and the other end of described curved bar is related with an air bag;
Described air bag is installed on the channel-section steel support that is arranged on the scraper bearing;
Described air bag top is provided with hold-down arm, and the other end of described curved bar is related with air bag by hold-down arm.
2. rubber belt type vacuum filter discharge device according to claim 1 is characterized in that: described air bag is an adjustable-pressure.
3. rubber belt type vacuum filter discharge device according to claim 1 is characterized in that: described air bag connects a source of the gas by tracheae.
4. rubber belt type vacuum filter discharge device according to claim 3 is characterized in that: described tracheae is arranged in the described channel-section steel support.
5. rubber belt type vacuum filter discharge device according to claim 3 is characterized in that: described tracheae is connected with air valve.
6. rubber belt type vacuum filter discharge device according to claim 1 is characterized in that: described air bag is covered with the air bag cylinder, the corresponding surface opening of the other end of described air bag cylinder and curved bar.
7. rubber belt type vacuum filter discharge device according to claim 6 is characterized in that: described air bag cylinder is provided with the stopping means of restriction hold-down arm displacement.
8. rubber belt type vacuum filter discharge device according to claim 7 is characterized in that: described stopping means is a stop screw, offers in order to the screwed hole of described stop screw to be installed above the described air bag cylinder.
9. rubber belt type vacuum filter discharge device according to claim 1 is characterized in that: described scraper is the polypropylene scraper, and described bearing is a nylon bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810121787.1A CN101485943B (en) | 2008-10-18 | 2008-10-18 | Rubber belt type vacuum filter discharge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810121787.1A CN101485943B (en) | 2008-10-18 | 2008-10-18 | Rubber belt type vacuum filter discharge device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101485943A CN101485943A (en) | 2009-07-22 |
| CN101485943B true CN101485943B (en) | 2011-09-21 |
Family
ID=40889098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810121787.1A Expired - Fee Related CN101485943B (en) | 2008-10-18 | 2008-10-18 | Rubber belt type vacuum filter discharge device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101485943B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202009009535U1 (en) * | 2009-07-13 | 2009-09-17 | Deckel Maho Pfronten Gmbh | Device for the treatment of cooling lubricant |
| CN102350117B (en) * | 2011-08-05 | 2014-03-26 | 云南大红山管道有限公司 | Device for preventing blocking of ceramic filter feed opening |
| CN108579173A (en) * | 2018-02-28 | 2018-09-28 | 铜陵市业强环保设备有限责任公司 | A kind of wheeled discharge device for scraper of spiral roll for carrier bar belt vacuum filter |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4498988A (en) * | 1981-11-25 | 1985-02-12 | Kabushiki Kaisha Kobe Seiko Sho | Scraping mechanism |
| EP1193222A2 (en) * | 2000-09-28 | 2002-04-03 | Passavant-Roediger Umwelttechnik GmbH | Device for sludge thickening |
| CN2757952Y (en) * | 2004-12-27 | 2006-02-15 | 西安重型机械研究所 | Jockey roller cleaning device |
-
2008
- 2008-10-18 CN CN200810121787.1A patent/CN101485943B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4498988A (en) * | 1981-11-25 | 1985-02-12 | Kabushiki Kaisha Kobe Seiko Sho | Scraping mechanism |
| EP1193222A2 (en) * | 2000-09-28 | 2002-04-03 | Passavant-Roediger Umwelttechnik GmbH | Device for sludge thickening |
| CN2757952Y (en) * | 2004-12-27 | 2006-02-15 | 西安重型机械研究所 | Jockey roller cleaning device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101485943A (en) | 2009-07-22 |
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| ASS | Succession or assignment of patent right |
Owner name: HUZHOU WANGNENG ENVIRONMENTAL PROTECTION TECHNOLOG Free format text: FORMER OWNER: HUZHOU HEHUA MACHINERY CO., LTD. Effective date: 20110111 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 313000 NO. 399, HANGCHANGQIAO NORTH ROAD, HUZHOU CITY, ZHEJIANG PROVINCE TO: 313000 NO. 1389, HUZHI AVENUE, HUZHOU CITY |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20110111 Address after: 313000, No. 1389 weaving Avenue Road, Huzhou Applicant after: Huzhou Wangneng Environmental Protection Technology Co., Ltd. Address before: 313000 Zhejiang city of Huzhou Province Hangzhou North Bridge Road No. 399 Applicant before: Huzhou Hehua Machinery Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20121018 |