CN105013629A - Vertical gravity discharge screen centrifuge - Google Patents
Vertical gravity discharge screen centrifuge Download PDFInfo
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- CN105013629A CN105013629A CN201510391588.2A CN201510391588A CN105013629A CN 105013629 A CN105013629 A CN 105013629A CN 201510391588 A CN201510391588 A CN 201510391588A CN 105013629 A CN105013629 A CN 105013629A
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- scraper
- guide rod
- rotary drum
- assistant
- leading screw
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Abstract
The invention provides a vertical gravity discharge screen centrifuge. The vertical gravity discharge screen centrifuge comprises a casing, a drum, a first driving device, a support part, a scraper component and a second driving device, wherein the second driving device comprises a motor, a lead screw, a guide rod, a limiting block and a sliding block; the lead screw extends into the drum from above the casing, and is driven by the motor; the guide rod is parallel to the lead screw and is arranged in the drum; the bottom end of the lead screw is rotatably connected with the limiting block; the bottom end of the guide rod is fixedly connected with the limiting block; the sliding block sleeves the lead screw and the guide rod; the sliding block is in screw-thread match with the lead screw; the sliding block is slidably connected with the guide rod; the scraper component comprises a knife rest and a scraper; an assistant scraper is arranged below the limiting block; the assistant scraper is obliquely arranged, and the inclination of the assistant scraper is consistent with the inner surface taper of a lower taper part; the assistant scraper extends from the bottom part of an upper cylinder part to a solid phase outlet; the contour line of the assistant scraper along the extending direction is a logarithmic function curve; and gaps exist between the assistant scraper and the upper cylinder part as well as between the assistant scraper and the lower taper part. The vertical gravity discharge screen centrifuge is simple in structure, practical, good in discharging effect and high in efficiency.
Description
Technical field
The present invention relates to Centrifuge Techniques field, particularly relate to a kind of vertical lower discharging centrifuge.
Background technology
Existing vertical centrifugal machine many employings scraper carries out discharging to filter cake, according to broad knife, discharging is carried out to filter cake, can carry out along the whole height of rotary drum, discharging is rapid, but broad knife chip resistance is large, be therefore applicable to soft filter cake and the little occasion of rotary drum height more, adopt narrow scraper discharging chip resistance little, can be suitable for different hardness or have the filter cake discharging of a viscosity, but narrow scraper cannot push solid-phase outlet by scraping the solid phase falling into bottom of the drum.
Summary of the invention
Based on the technical problem that background technology exists, the present invention proposes a kind of vertical lower discharging centrifuge.
The vertical lower discharging centrifuge of one that the present invention proposes, comprise case, rotary drum, the first drive unit, support portion, doctor assemblies and the second drive unit, rotary drum rotates and is installed in case, and driven by the first drive unit, rotary drum comprises interconnective upper vertical tube part and inferior pyramidal portion, and bottom center place of inferior pyramidal portion is provided with solid-phase outlet;
Second drive unit comprises motor, leading screw, guide rod, limited block and slide block, leading screw is by stretching in rotary drum above case, and driven by motor, guide rod is parallel with leading screw, and is arranged in rotary drum, and leading screw bottom and limited block are rotationally connected, bottom and the limited block of guide rod are fixed, slide block set is loaded on leading screw and guide rod, and slide block coordinates with threads of lead screw, and slide block and guide rod are slidably connected;
The side of slide block is located in support portion, and first end and slide block are fixed;
Doctor assemblies comprises knife rest and scraper, and the second end of support portion and knife rest are fixed;
Secondary scraper is provided with below limited block, secondary scraper is obliquely installed, gradient is identical with inferior pyramidal portion inner surface tapering, secondary scraper extends to solid-phase outlet by bottom upper vertical tube part, secondary scraper is logarithmic function curve along the outline line of this bearing of trend, all there is gap between secondary scraper and upper vertical tube part, between secondary scraper and inferior pyramidal portion.
Preferably, support portion adjustable length, in the length variations process of support portion, there is gap all the time between doctor assemblies and rotary drum, scraper is provided with pressure sensor, and support portion, pressure sensor are connected with controller respectively with motor.
Preferably, doctor assemblies also comprises L-type pressing plate, knife rest is provided with groove, scraper is double-end scraper, and middle part is provided with the first hole, and the long slab of L-type pressing plate is provided with the second hole, its short slab inserts in groove, the thickness that the short slab length of L-type pressing plate is less than scraper adds depth of groove sum, and the short slab thickness of recess width and L-type pressing plate is adaptive, and L-type pressing plate is by press-fiting scraper on knife rest through the first hole, the second hole holding screw.
Preferably, scraper adopts hard alloy steel to make.
The vertical lower discharging centrifuge of the one provided in the present invention, leading screw and guide rod arrange slide block, slide block arranges support portion, support portion arranges doctor assemblies, achieve doctor assemblies to move up and down, and enhance torsional strength, doctor assemblies moves up and down the rotation coordinating rotary drum, the upper vertical tube part inwall solid phase filter cake of rotary drum is struck off, bottom leading screw and guide rod, limited block is set, the secondary scraper coordinating inferior pyramidal portion is set below limited block, the solid phase that scraper strikes off drops down onto inferior pyramidal portion inner surface, the solid phase of inferior pyramidal portion inner surface can be struck off and pushed solid-phase outlet by secondary scraper, by adjusting the length of support portion, adjust the thickness at every turn struck off, thus ensure that the resistance suffered by scraper is unlikely excessive, and damage scraper.Structure of the present invention is simple, and practical, discharging is effective.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of vertical lower discharging centrifuge that the present invention proposes.
Fig. 2 is the structural representation of doctor assemblies in a kind of vertical lower discharging centrifuge that the present invention proposes.
Detailed description of the invention
As shown in Figure 1 and Figure 2, Fig. 1 is the structural representation of a kind of vertical lower discharging centrifuge that the present invention proposes.Fig. 2 is the structural representation of doctor assemblies in a kind of vertical lower discharging centrifuge that the present invention proposes.
With reference to Fig. 1, the vertical lower discharging centrifuge of one that the present invention proposes, comprise case 1, rotary drum 2, first drive unit, support portion 3, doctor assemblies 4 and the second drive unit, rotary drum 2 rotates and is installed in case 1, and driven by the first drive unit, rotary drum 2 comprises interconnective upper vertical tube part 5 and inferior pyramidal portion 6, and bottom center place of inferior pyramidal portion 6 is provided with solid-phase outlet 7;
Second drive unit comprises motor 8, leading screw 9, guide rod 10, limited block 11 and slide block 12, leading screw 9 is by stretching in rotary drum 2 above case 1, motor 8 drives leading screw 9 forward or reverse, guide rod 10 is parallel with leading screw 9, and be arranged in rotary drum 2, leading screw 9 bottom and limited block 11 are rotationally connected, bottom and the limited block 11 of guide rod 10 are fixed, slide block 12 is set on leading screw 9 and guide rod 10, slide block 12 and leading screw 9 threaded engagement, slide block 12 and guide rod 10 are slidably connected, motor 8 drives leading screw 9 to rotate, leading screw 9 promotes slide block 12 by screw thread and moves up or down, guide rod 10 plays the effect of guiding and the rotation of restriction slide block 12.
The side of slide block 12 is located in support portion 3, and first end and slide block 12 are fixed;
Doctor assemblies 4 comprises knife rest 13 and scraper 14, and the second end and the knife rest 13 of support portion 3 are fixed, and in order to adapt to the filter cake striking off different hardness, in present embodiment, scraper 14 adopts hard alloy steel to make.
Secondary scraper 18 is provided with below limited block 11, secondary scraper 18 is obliquely installed, gradient is identical with inferior pyramidal portion 6 inner surface tapering, secondary scraper 18 extends to solid-phase outlet 7 by bottom upper vertical tube part 5, secondary scraper 18 is logarithmic function curve along the outline line of this bearing of trend, between secondary scraper 18 and upper vertical tube part 5, all there is gap between secondary scraper 18 and inferior pyramidal portion 6.
Rotary drum 2 High Rotation Speed makes solid phase be attached to rotary drum 2 internal face, liquid phase is thrown away by the filter bores on rotary drum 2, to case 1, and discharged by the liquid-phase outlet on it, in centrifugal dehydration process, the secondary scraper 18 constantly solid phase a small amount of to inferior pyramidal portion 6 inner surface strikes off, and be pushed into solid-phase outlet 7, after centrifugal dehydration end-of-job, rotary drum 2 slowly runs, starter motor 8, screw mandrel starts to rotate, scraper 14 and rotary drum 2 are formed and relatively rotate, and scraper 14 moves up and down, the filter cake that solid phase is formed is struck off, the solid phase struck off falls in inferior pyramidal portion 6, under the effect of secondary scraper 18, the solid phase unloaded is scraped again into solid-phase outlet 7, scraped clean, under the acting in conjunction of leading screw 9 and guide rod 10, improve the intensity of bearing moment of torsion.
With reference to Fig. 2, in present embodiment, support portion 3 adjustable length, in the length variations process of support portion 3, all the time there is gap between doctor assemblies 4 and rotary drum, scraper 14 is provided with pressure sensor 15, and support portion 3, pressure sensor 15 are connected with controller respectively with motor 8.Controller obtains scraper 14 by Resistance Pressure information by pressure sensor 15 and this value and preset value is compared, if be greater than preset value by resistance suffered by it, then controller controls motor 8 and quits work, and controls support portion 3 and reduce the distance L fast
1, controller controls support portion 3 slowly elongated distance L
1, in this process, by reducing each depth of cut, protecting scraper 14, preventing from, because solid phase viscosity or hardness are too large, producing infringement to scraper 14.
In present embodiment, doctor assemblies 4 also comprises L-type pressing plate 17, knife rest 13 is provided with groove 16, scraper 14 is double-end scraper, and middle part is provided with the first hole, the long slab of L-type pressing plate 17 is provided with the second hole, its short slab inserts in groove 16, the thickness that the short slab length of L-type pressing plate 17 is less than scraper 14 adds upper groove 16 degree of depth sum, the short slab thickness of groove 16 width and L-type pressing plate 17 is adaptive, L-type pressing plate passes through through the first hole, scraper 14 press-fits on knife rest 13 by the second hole holding screw, scraper 14 is fixed, dismounting is simple, when scraper 14 1 scrape head wearing and tearing scrap after, pull down holding screw, change and scrape head to another, the service life of scraper can be extended.
The above; be only the present invention's preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (4)
1. a vertical lower discharging centrifuge, it is characterized in that, comprise case (1), rotary drum (2), the first drive unit, support portion (3), doctor assemblies (4), the second drive unit, rotary drum (2) rotates and is installed in case (1), and driven by the first drive unit, rotary drum (2) comprises interconnective upper vertical tube part (5) and inferior pyramidal portion (6), and inferior pyramidal portion (6) bottom center place is provided with solid-phase outlet (7);
Second drive unit comprises motor (8), leading screw (9), guide rod (10), limited block (11) and slide block (12), leading screw (9) stretches in rotary drum (2) by case (1) top, and driven by motor (8), guide rod (10) is parallel with leading screw (9), and be arranged in rotary drum (2), leading screw (9) bottom and limited block (11) are rotationally connected, the bottom of guide rod (10) and limited block (11) are fixed, slide block (12) is set on leading screw (9) and guide rod (10), slide block (12) and leading screw (9) threaded engagement, slide block (12) and guide rod (10) are slidably connected,
The side of slide block (12) is located in support portion (3), and first end and slide block (12) are fixed;
Doctor assemblies (4) comprises knife rest (13) and scraper (14), and second end of support portion (3) and knife rest (13) are fixed;
Limited block (11) below is provided with secondary scraper (18), secondary scraper (18) is obliquely installed, gradient is identical with inferior pyramidal portion (6) inner surface tapering, secondary scraper (18) extends to solid-phase outlet (7) by upper vertical tube part (5) bottom, secondary scraper (18) is logarithmic function curve at the outline line of this bearing of trend, all there is gap between secondary scraper (18) and upper vertical tube part (5), between secondary scraper (18) and inferior pyramidal portion (6).
2. vertical lower discharging centrifuge according to claim 1, it is characterized in that, support portion (3) adjustable length, in support portion (3) length variations process, all the time gap is there is between doctor assemblies (4) and rotary drum, scraper (14) is provided with pressure sensor (15), and support portion (3), pressure sensor (15) are connected with controller respectively with motor (8).
3. vertical lower discharging centrifuge according to claim 1, it is characterized in that, doctor assemblies (4) also comprises L-type pressing plate (17), knife rest (13) is provided with groove (16), scraper (14) is double-end scraper, and middle part is provided with the first hole, the long slab of L-type pressing plate (17) is provided with the second hole, its short slab inserts in groove (16), the thickness that the short slab length of L-type pressing plate (17) is less than scraper (14) adds upper groove (16) degree of depth sum, the short slab thickness of groove (16) width and L-type pressing plate (17) is adaptive, L-type pressing plate passes through through the first hole, scraper (14) press-fits on knife rest (13) by the second hole holding screw.
4. according to the arbitrary described vertical lower discharging centrifuge of claim 1,2 or 3, it is characterized in that, scraper (14) adopts hard alloy steel to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510391588.2A CN105013629B (en) | 2015-07-02 | 2015-07-02 | A kind of vertical lower discharging centrifuge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510391588.2A CN105013629B (en) | 2015-07-02 | 2015-07-02 | A kind of vertical lower discharging centrifuge |
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| CN105013629A true CN105013629A (en) | 2015-11-04 |
| CN105013629B CN105013629B (en) | 2017-10-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108296029A (en) * | 2018-01-26 | 2018-07-20 | 孙克雷 | A kind of industrial waste water disposal device |
| CN108722690A (en) * | 2017-11-29 | 2018-11-02 | 蚌埠市朗辰化工设备有限公司 | A kind of large size drug centrifuge cleaning plant |
| CN112718270A (en) * | 2020-12-09 | 2021-04-30 | 徐时良 | Cleaning device of centrifugal dehydrator for garbage disposal |
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| US3315811A (en) * | 1964-02-27 | 1967-04-25 | Fives Lille Cail | Centrifugal machine with built-in plow |
| CN102989596A (en) * | 2012-12-05 | 2013-03-27 | 江苏赛德力制药机械制造有限公司 | Filter bag oscillation bottom discharge centrifugal machine |
| CN203091125U (en) * | 2013-01-15 | 2013-07-31 | 上海化工机械厂有限公司 | Scraper pressure control device for top-suspended type scraper unloading centrifugal machine |
| CN103934126A (en) * | 2014-03-25 | 2014-07-23 | 广西盛誉糖机制造有限责任公司 | Scrapper device for full-automatic scrapper centrifugal machine |
| CN104399606A (en) * | 2014-11-24 | 2015-03-11 | 常州市瑞鸿达工具有限公司 | Discharge mechanism of centrifugal machine |
| CN204320500U (en) * | 2014-11-13 | 2015-05-13 | 成都瑞芬思生物科技有限公司 | A kind of material removal mechanism of centrifuge |
| CN104607324A (en) * | 2015-02-06 | 2015-05-13 | 江苏牡丹离心机制造有限公司 | Directional discharging scraping knife device for gravity discharge centrifugal machine |
| CN204429512U (en) * | 2015-02-06 | 2015-07-01 | 江苏牡丹离心机制造有限公司 | A kind of directed unloader knife device of lower discharging centrifuge |
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2015
- 2015-07-02 CN CN201510391588.2A patent/CN105013629B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3315811A (en) * | 1964-02-27 | 1967-04-25 | Fives Lille Cail | Centrifugal machine with built-in plow |
| CN102989596A (en) * | 2012-12-05 | 2013-03-27 | 江苏赛德力制药机械制造有限公司 | Filter bag oscillation bottom discharge centrifugal machine |
| CN203091125U (en) * | 2013-01-15 | 2013-07-31 | 上海化工机械厂有限公司 | Scraper pressure control device for top-suspended type scraper unloading centrifugal machine |
| CN103934126A (en) * | 2014-03-25 | 2014-07-23 | 广西盛誉糖机制造有限责任公司 | Scrapper device for full-automatic scrapper centrifugal machine |
| CN204320500U (en) * | 2014-11-13 | 2015-05-13 | 成都瑞芬思生物科技有限公司 | A kind of material removal mechanism of centrifuge |
| CN104399606A (en) * | 2014-11-24 | 2015-03-11 | 常州市瑞鸿达工具有限公司 | Discharge mechanism of centrifugal machine |
| CN104607324A (en) * | 2015-02-06 | 2015-05-13 | 江苏牡丹离心机制造有限公司 | Directional discharging scraping knife device for gravity discharge centrifugal machine |
| CN204429512U (en) * | 2015-02-06 | 2015-07-01 | 江苏牡丹离心机制造有限公司 | A kind of directed unloader knife device of lower discharging centrifuge |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108722690A (en) * | 2017-11-29 | 2018-11-02 | 蚌埠市朗辰化工设备有限公司 | A kind of large size drug centrifuge cleaning plant |
| CN108296029A (en) * | 2018-01-26 | 2018-07-20 | 孙克雷 | A kind of industrial waste water disposal device |
| CN112718270A (en) * | 2020-12-09 | 2021-04-30 | 徐时良 | Cleaning device of centrifugal dehydrator for garbage disposal |
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| Publication number | Publication date |
|---|---|
| CN105013629B (en) | 2017-10-13 |
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Effective date of registration: 20200713 Address after: 361000 Room 501, No.85, Xiaguang Dongli, Haicang District, Xiamen City, Fujian Province Patentee after: Xiamen Jiupin sesame Information Technology Co.,Ltd. Address before: No. C3-1 258 No. 233000 Anhui province Bengbu Huai District XTEP Avenue Patentee before: BENGBU XINGLI CENTRIFUGE MANUFACTURING Co.,Ltd. |
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Effective date of registration: 20200828 Address after: 211500 No. 59 Wang Qiao Road, Xiongzhou Street, Liuhe District, Nanjing City, Jiangsu Province Patentee after: Nanjing worth Environmental Protection Technology Co.,Ltd. Address before: 361000 Room 501, No.85, Xiaguang Dongli, Haicang District, Xiamen City, Fujian Province Patentee before: Xiamen Jiupin sesame Information Technology Co.,Ltd. |
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Effective date of registration: 20201124 Address after: Room 501, Jianshe building, No.20, Zhongshi Road, Huangdai Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: Suzhou Xiangcheng Daichen science and Technology Industrial Park Operation Management Co., Ltd Address before: 211500 No. 59 Wang Qiao Road, Xiongzhou Street, Liuhe District, Nanjing City, Jiangsu Province Patentee before: Nanjing worth Environmental Protection Technology Co.,Ltd. |