CN104888974A - Vertical continuous discharging sedimentation centrifuge - Google Patents
Vertical continuous discharging sedimentation centrifuge Download PDFInfo
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- CN104888974A CN104888974A CN201510343046.8A CN201510343046A CN104888974A CN 104888974 A CN104888974 A CN 104888974A CN 201510343046 A CN201510343046 A CN 201510343046A CN 104888974 A CN104888974 A CN 104888974A
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Abstract
A vertical continuous discharging sedimentation centrifuge comprises a motor, a drum, a spiral pushing device, a feeding pipe, a slag outlet, a liquid outlet, an overflow opening, a base and a centrifuge casing; the feeding pipe is communicated with a distribution chamber which is formed in the spiral pushing device; the spiral pushing device is provided with a discharging hole which is communicated with a drum chamber of the drum; the centrifuge casing is arranged on the base; the motor is arranged on the centrifuge casing; an output shaft of the motor is connected with an input shaft which is arranged on the spiral pushing device; an output shaft which is arranged at one end of the drum is connected with the input shaft in a rotatable mode; the other end of the drum is connected with the centrifuge casing and the spiral pushing device in a rotatable mode; a differential gear shifting mechanism is arranged between the input shaft which is arranged on the spiral pushing device and the output shaft which is arranged on the drum. According to the vertical continuous discharging sedimentation centrifuge, the differential rate between the drum and the spiral pushing device can be small and constant, the control portion of the centrifuge is simple, the centrifuge can be compact in structure, the size can be reduced, and production and manufacture can be simple.
Description
Technical field
The present invention relates to a kind of solid-liquid separating equipment, is specifically a kind of vertical continuous discharge sedimentation centrifuge.。
Background technology
Centrifuge is a kind of solid-liquid separating equipment utilizing centrifugal force the solid particle in suspension and liquid to be separated, it is mainly used in the industries such as chemical industry, ore dressing, oil, pharmacy, food, and foul smelling smell sewage disposal etc. needs the occasion to carrying out sedimentation separation containing solid suspension.At present, conventional centrifuge is mainly horizontal spiral discharge sedimentation centrifuge, this centrifuge mainly comprises frame, rotary drum, screw feeder, differential mechanism, feed pipe, mair motor, auxiliary-motor and two control the frequency converter of mair motor and auxiliary-motor rotating speed respectively, the rotating shaft at rotary drum two ends is supported in frame respectively, the power shaft of rotary drum is connected with the output shaft of mair motor, relative motion between screw feeder and rotary drum is realized by differential mechanism, the shell of differential mechanism is connected with rotary drum, the output shaft of differential mechanism is connected with screw feeder, the power shaft of differential mechanism is connected with the output shaft of auxiliary-motor, screw feeder is arranged in rotary drum, screw feeder is connected with feed pipe and communicates, screw feeder is provided with the charging aperture communicated with rotary drum inner chamber, the large end of rotary drum is provided with overfall, rotary drum small end is provided with slag notch.The operation principle of the horizontal spiral discharge sedimentation centrifuge of said structure is, mair motor has also driven the rotation of differential mechanism shell while driving rotary drum High Rotation Speed, because differential input shaft is connected with the output shaft of auxiliary-motor, auxiliary-motor produces braking moment, thus drive planetary gear to operate according to designed drive connection, and by certain comparison, moment of torsion is passed to screw feeder, thus drive screw feeder to carry out nonsynchronous in the same way rotation relative to rotary drum, and need the suspension be separated to enter in rotary drum from feed pipe by the discharging opening screw feeder, under the influence of centrifugal force, the solid phase of suspension is deposited in drum inner wall, and discharge from slag notch after being pushed to rotary drum small end by the rotating vane on screw feeder, liquid phase after clarification then flows out from the overfall of the large end of rotary drum, finally realize Separation of Solid and Liquid.
Admittedly material water capacity is a very important index of inspection centrifuge function, our road, rotary drum generally comprises shell of column and cone section, the asynchronous in the same way rotation of screw feeder and rotary drum, the solid separated is pushed to cone section from shell of column vertically, cone section has certain cone angle, solid can realize by changing differential speed in the time that cone section stops, and the length of the time of staying is the key factor determining solid water capacity, in other words, the differential of differential mechanism is than less, Gu the translational speed of material in rotary drum is slower, the de-liquid effect of such rotary drum inner drying section is more obvious, Gu the water capacity of material is less.
After using for many years, it is found that the horizontal spiral discharge sedimentation centrifuge existing defects of said structure, namely the rotary drum in prior art horizontal spiral discharge sedimentation centrifuge be connected by differential mechanism between screw feeder, and use main, secondary two motors control the rotating speed of rotary drum and screw feeder respectively to reach the speed discrepancy between them through frequency converter, and when fluid foods enters, due to the number of the solid content of fluid, the number of proterties and inlet amount, the factors such as fluctuation all can affect the load of screw feeder, thus the speed discrepancy mixed up is changed, the control section of centrifuge is caused to need constantly to detect, adjustment, compensate the stable of guarantee speed difference, the control section of centrifuge is made to become very complicated like this.For this reason, the speed that people also can complete between rotary drum and screw feeder with speed changer is simply poor, but speed difference is not fully up to expectations, the speed changer can having made 1/125 is at present reported according to some, the speed that is can obtain 24 revs/min under the rotating speed of 3000 revs/min is poor, we know that the water capacity of the less solid material of speed difference is fewer, some centrifuge even needs the speed lower than 7 revs/min poor, such speed changer is inconvenient in manufacture, its reason is, it is poor in order to less speed can be reached, the quantity of the speed changer middle gear number of teeth just requires larger, and under certain module requires, the outside diameter of gear will be done very large, so not only can increase the volume of speed changer and centrifuge, and bring certain trouble to the manufacturing of centrifuge.
In addition, rotary drum in prior art horizontal spiral discharge sedimentation centrifuge and screw feeder are all when carrying out dynamically balanced verification and processing without when expecting, when fluid foods adds fashionable, due to gravitational effect, the dynamic balancing of rotary drum and screw feeder is easily affected and even produces resonance.
Summary of the invention
The technical problem to be solved in the present invention is, there is provided a kind of difference of the speed between rotary drum and screw feeder ratio that not only can make less and very constant, Centrifugal Machine Control part is simple, and can also make the compact conformation of centrifuge, smaller volume, manufactures simple vertical continuous discharge sedimentation centrifuge.
Technical solution of the present invention is, a kind of vertical continuous discharge sedimentation centrifuge with following structure is provided, it comprises motor, rotary drum, screw feeder, feed pipe, slag notch, liquid outlet, overfall, support and centrifuge housing, feed pipe communicates with the distributor chamber in screw feeder, screw feeder is provided with the discharging opening communicated with the drum chamber of rotary drum, centrifuge housing is arranged on support, motor is arranged on centrifuge housing, the output shaft of motor is connected with the power shaft on screw feeder, output shaft and the power shaft of rotary drum one end are rotatably connected, the rotary drum other end and centrifuge housing and screw feeder are rotatably connected respectively, wherein, power shaft on screw feeder and be provided with a differential gear between the output shaft on rotary drum.
After adopting above structure, compared with prior art, the invention has the beneficial effects as follows: the difference of the speed between rotary drum and screw feeder ratio not only can be made less and very constant, Centrifugal Machine Control part is simple, and the compact conformation of centrifuge can also be made, smaller volume, manufacture simple.
Vertical continuous discharge sedimentation centrifuge of the present invention, wherein, differential gear comprises the first order one tooth difference speed changer and the second level one tooth difference speed changer, the first order one tooth difference speed changer is connected with the power shaft on screw feeder, the second level one tooth difference speed changer is connected with the output shaft on rotary drum, and the first order one tooth difference speed changer and the second level one tooth difference speed changer are connected to form mutual deviation relation.
Vertical continuous discharge sedimentation centrifuge of the present invention, wherein, the first order one tooth difference speed changer comprises the first external gear and the first ring gear, first many one of the ring gear gear ratio first external gear number of teeth, first external gear to be locked on power shaft and meshing with the first ring gear, and the first ring gear is connected with the second level one tooth difference speed changer.
Vertical continuous discharge sedimentation centrifuge of the present invention, wherein, the number of teeth of the first external gear is 24, and the number of teeth of the first ring gear is 25.
Vertical continuous discharge sedimentation centrifuge of the present invention, wherein, the second level one tooth difference speed changer comprises the second external gear and the first ring gear, first many one of the ring gear gear ratio second external gear number of teeth, second external gear to be locked on output shaft and meshing with the first ring gear, and the first ring gear is connected with the first order one tooth difference speed changer.
Vertical continuous discharge sedimentation centrifuge of the present invention, wherein, the number of teeth of the second external gear is 22, and the number of teeth of the first ring gear is 23.
Improve as one, vertical continuous discharge sedimentation centrifuge of the present invention, wherein, centrifuge housing is arranged on support vertically, motor is positioned at centrifuge case top, the charging aperture of liquid outlet and feed pipe is all positioned at below centrifuge housing, and slag notch is arranged on the top small end of rotary drum, and overfall is positioned at the large end in bottom of the drum.Known by said structure, the centrifuge of what centrifuge of the present invention adopted is a kind of vertical structure, more general horizontal centrifuge, vertical centrifugal machine intermittently can not have an impact to the dynamic balancing of machine due to the size of charging and inlet amount, also can not produce covibration.In addition, the vertical structure of centrifuge of the present invention is also compact to design, attractive in appearance, underfeed and fluid, and row is solid on top, after shutting down in machine without liquid storage, deposit slag, operate steadily reliably.
Accompanying drawing explanation
Fig. 1 is the structural representation of the vertical continuous discharge sedimentation centrifuge of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the vertical continuous discharge sedimentation centrifuge of the present invention is described further:
As shown in Figure 1, the vertical continuous discharge sedimentation centrifuge of the present invention comprises motor 1, rotary drum 2, screw feeder 3, feed pipe 4, slag notch 5, liquid outlet 6, overfall 27, support 7 and centrifuge housing 20.Feed pipe 4 communicates with the distributor chamber 8 in screw feeder 3, and screw feeder 3 is provided with the discharging opening 10 communicated with the drum chamber 9 of rotary drum 2.Centrifuge housing 20 is arranged on support 7 vertically, and motor 1 is arranged on the top of centrifuge housing 20.The charging aperture of liquid outlet 6 and feed pipe 4 is all positioned at below centrifuge housing 20, and slag notch 5 is arranged on the top small end of rotary drum 2, and overfall 27 is positioned at bottom rotary drum 2 to be held greatly.Centrifuge housing 20 is provided with a mechanism of Gan Zha mechanism 22, Gan Zha 22 communicated with slag notch 5 and is connected with an auger 23 of slagging tap, and because Gan Zha mechanism 22 and auger 23 of slagging tap are prior art, therefore does not repeat at this.The output shaft of motor 1 is connected by shaft coupling 24 and axle sleeve 11 with the power shaft 18 on screw feeder 3, and axle sleeve 11 is locked on power shaft 18, and axle sleeve 11 is connected with shaft coupling 24.The output shaft 19 of rotary drum 2 one end is rotatably connected by bearing with the power shaft 18 on screw feeder 3, and rotary drum 2 other end and centrifuge housing 20 and screw feeder 3 are rotatably connected respectively by bearing.
Power shaft 18 on screw feeder 3 and be provided with a compact conformation, small volume between the output shaft 19 on rotary drum 2, can make the less and very constant differential gear of the difference of the speed between power shaft 18 and output shaft 19, this differential gear comprises the first order one tooth difference speed changer and the second level one tooth difference speed changer.The first order one tooth difference speed changer comprises first external gear 12 and many one of first ring gear 13, first ring gear 13 gear ratio first external gear 12 number of teeth, and the first external gear 12 to be locked on power shaft 18 and meshing with the first ring gear 13.The second level one tooth difference speed changer comprises second external gear 14 and many one of second ring gear 15, second ring gear 15 gear ratio second external gear 14 number of teeth, and the second external gear 14 to be locked on output shaft 19 and meshing with the first ring gear 15.
Second ring gear 15 is fixedly connected with by pin with the first ring gear 13, thus makes to form the ring gear that links between the second ring gear 15 and the first ring gear 13, and makes the first order one tooth difference speed changer and the second level one tooth difference speed changer form a kind of mutual deviation relation.In addition, the first ring gear 13 is connected with on gear train wheel bridge 16, second ring gear 15 and is connected with gear lower plate 17, gear train wheel bridge 16 is rotatably connected by bearing and power shaft 18, and gear lower plate 17 is rotatably connected by bearing and output shaft 19.Gear train wheel bridge 16 and gear lower plate 17 can to first external gear 12, first ring gear 13, second external gear 14 and the second ring gear 15 fixing position-limiting actions.Centrifuge housing 20 and be provided with cooling jacket 21 between the first external gear 12, first ring gear 13, second external gear 14, second ring gear 15, gear train wheel bridge 16 and gear lower plate 17, the effect of cooling jacket 21 to be lowered the temperature to centrifuge in time, the heat that effective reduction produces because harmonic gear rotates, ensures machine balance, reliably runs.A flange 25 is provided with bottom support 7, can directly the present invention be arranged on reactor when needed, be applicable to the such as technique such as suspension polymerisation, crystallization occasion, now only liquid outlet 6 need be sealed, open the capping 26 in bottom, clear liquid just can flow back to reactor, and the solid material that reactor is produced then is seen has top auger 23 of slagging tap directly to derive continuously.
The mentality of designing of the two couple one tooth difference speed changer structure of mutual deviation again in the present invention's vertical continuous discharge sedimentation centrifuge is such: if we want the differential transmission doing 1/200, by a tooth difference principle, a gear does 200 teeth, a gear does 199 teeth, every like this 200 turns of mutual deviations 1 turn, suppose under certain modulus requires, it is very large that the outside diameter of gear will be done, if but we do a pair 1/40 speed changer mutual deviations again of a pair 1/50, i.e. 1/40-1/50=1/200, so namely, ensure that certain modulus requirement, that the external diameter of gear can not be done again is very large, speed ratio also reaches requirement.By such thinking, the present invention just can accomplish the differential transmission of any differential ratio.
In the specific embodiment of the present invention, the number of teeth of the first external gear 12 is 24, and the number of teeth of the first ring gear 13 is 25, and the number of teeth of the second external gear 14 is 22, and the number of teeth of the first ring gear 15 is 23.After adopting the above number of teeth, rotary drum in the vertical continuous discharge sedimentation centrifuge of the present invention and the differential between screw feeder are than being 1/23-1/25=0.00345, differential ratio reaches less than 0.4%, namely do the differential transmission of 1/288, under the rotating speed of 3000 revs/min, 3000 × 0.00345=10.4, like this we just to obtain the speed of about 10 revs/min poor, this speed difference effectively improves de-liquid effect of the present invention, greatly reduces the water capacity of solid material.
The advantage of the vertical continuous discharge sedimentation centrifuge of the present invention is:
1 is different from the speed discrepancy that prior art centrifuge adopts major and minor two motors and differential mechanism to realize between rotary drum and screw feeder, the vertical continuous discharge sedimentation centrifuge of the present invention only employs a motor, and carry out mutual deviation again by two group of one tooth difference speed changer of innovative design and replace differential mechanism conventional in prior art, thus not only make the differential between rotary drum and screw feeder than less, and can not by the impact of machine burden, differential is more constant than very, ensure that the simplification of Centrifugal Machine Control part.
2, due to the present invention's employing is the structure that two group of one tooth difference speed changer carries out mutual deviation again, therefore, under the requirement of certain modulus, that all it goes without doing is very large for the first external gear 12, first ring gear 13, second external gear 14 in the present invention and the external diameter of the second ring gear 15, and the speed difference between rotary drum and screw feeder also can reach requirement, and two group of one tooth difference speed changer carries out this structure of mutual deviation again that us can be made to accomplish the differential transmission of any differential ratio.Due to the first external gear 12, first ring gear 13, second external gear 14 in invention and the external diameter of the second ring gear 15, that all it goes without doing is very large, and structure comparison between the first external gear 12, first ring gear 13, second external gear 14 and the second ring gear 15 is compact, therefore the present invention also has and makes centrifuge manufacture simple, compact conformation, small volume feature.
The course of work of the vertical continuous discharge sedimentation centrifuge of the present invention is: suspension sprays to the drum chamber 9 of rotary drum 2 in by discharging opening 10 by feed pipe 4 with the intersection be pumped into the straightway of rotary drum 2 and cone segments, due to rotary drum 2 High Rotation Speed, form pendular ring at rotary drum 2 inwall, pendular ring thickness is regulated by overfall 27.Under the influence of centrifugal force, because solid material is different with the proportion of clear liquid, Gu material is tightly attached to rotary drum 2 inwall, clear liquid then throws away from overfall 27, discharges through liquid outlet 6.Be attached to the small end that the solid material on rotary drum 2 inwall is then pushed into rotary drum 2 tapering lentamente by screw feeder 3 to throw away, and rush to the import of auger 23 of slagging tap through Gan Zha mechanism 22 and derived continuously by it, separation completes, and whole process is carried out continuously.
Above-described embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determines.
Claims (7)
1. a vertical continuous discharge sedimentation centrifuge, it comprises motor (1), rotary drum (2), screw feeder (3), feed pipe (4), slag notch (5), liquid outlet (6), overfall (27), support (7) and centrifuge housing (20), described feed pipe (4) communicates with the distributor chamber (8) in screw feeder (3), described screw feeder (3) is provided with the discharging opening (10) communicated with the drum chamber of rotary drum (2) (9), described centrifuge housing (20) is arranged on support (7), described motor (1) is arranged on centrifuge housing (20), the output shaft of described motor (1) is connected with the power shaft (18) on screw feeder (3), output shaft (19) and the power shaft (18) of described rotary drum (2) one end are rotatably connected, described rotary drum (2) other end and centrifuge housing (20) and screw feeder (3) are rotatably connected respectively, it is characterized in that: between the power shaft (18) on described screw feeder (3) and the output shaft (19) on rotary drum (2), be provided with a differential gear.
2. vertical continuous discharge sedimentation centrifuge according to claim 1, it is characterized in that: described differential gear comprises the first order one tooth difference speed changer and the second level one tooth difference speed changer, the described first order one tooth difference speed changer is connected with the power shaft (18) on screw feeder (3), the described second level one tooth difference speed changer is connected with the output shaft (19) on rotary drum (2), and the described first order one tooth difference speed changer and the second level one tooth difference speed changer are connected to form mutual deviation relation.
3. vertical continuous discharge sedimentation centrifuge according to claim 2, it is characterized in that: the described first order one tooth difference speed changer comprises the first external gear (12) and the first ring gear (13), described many one of first ring gear (13) gear ratio first external gear (12) number of teeth, described first external gear (12) is locked upper and meshing with the first ring gear (13) at power shaft (18), and described first ring gear (13) is connected with the second level one tooth difference speed changer.
4. vertical continuous discharge sedimentation centrifuge according to claim 3, is characterized in that: the number of teeth of described first external gear (12) is 24, and the number of teeth of described first ring gear (13) is 25.
5. vertical continuous discharge sedimentation centrifuge according to claim 2, it is characterized in that: the described second level one tooth difference speed changer comprises the second external gear (14) and the second ring gear (15), described many one of second ring gear (15) gear ratio second external gear (14) number of teeth, described second external gear (14) is locked upper and meshing with the second ring gear (15) at output shaft (19), and described second ring gear (15) is connected with the first order one tooth difference speed changer.
6. vertical continuous discharge sedimentation centrifuge according to claim 5, is characterized in that: the number of teeth of described second external gear (14) is 22, and the number of teeth of described second ring gear (15) is 23.
7. vertical continuous discharge sedimentation centrifuge according to claim 1 and 2, it is characterized in that: described centrifuge housing (20) is arranged on support (7) vertically, described motor (1) is positioned at centrifuge housing (20) top, the charging aperture of described liquid outlet (6) and feed pipe (4) is all positioned at centrifuge housing (20) below, described slag notch (5) is arranged on the top small end of rotary drum (2), and described overfall (27) is positioned at rotary drum (2) bottom and holds greatly.
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| CN201510343046.8A CN104888974B (en) | 2015-06-19 | 2015-06-19 | Vertical continuous discharge sedimentation centrifuge |
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| CN201510343046.8A CN104888974B (en) | 2015-06-19 | 2015-06-19 | Vertical continuous discharge sedimentation centrifuge |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104888976A (en) * | 2015-06-20 | 2015-09-09 | 罗名杨 | Differential speed change mechanism applied to centrifugal machine |
| CN104941816A (en) * | 2015-06-29 | 2015-09-30 | 宁波榕大环保装备有限公司 | Vertical-type sedimentation centrifuge for continuous unloading |
| CN105944845A (en) * | 2016-05-09 | 2016-09-21 | 蚌埠市兴利离心机制造有限公司 | Spiral separation type vertical centrifugal machine |
| CN109261376A (en) * | 2018-11-01 | 2019-01-25 | 福建龙亿粉体装备制造有限公司 | A kind of vertical solid-liquid separator and control method adapting to multi-state |
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| CN104888974B (en) | 2019-04-30 |
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Effective date of registration: 20171106 Address after: Chang in Shipu town of Xiangshan County in Zhejiang province 315732 city of Ningbo North Gate Yuzhu mountain Applicant after: Ningbo Rongda Environmental Protection Equipment Co., Ltd. Address before: Daqing road Hunan city Hengyang District 421001 Jianfu Yanfeng district a four unit 612 room Applicant before: Luo Mingyang |
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