CN102247937B

CN102247937B - Magnetic sedimentation centrifugal machine

Info

Publication number: CN102247937B
Application number: CN 201110169587
Authority: CN
Inventors: 吴志明; 蔡宏; 黄伟彬; 蒋嵬
Original assignee: JIANGSU HUADA CENTRIFUGE CO Ltd
Current assignee: Jiangsu Huada Huada Centrifuge Manufacturing Co., Ltd.
Priority date: 2011-06-15
Filing date: 2011-06-23
Publication date: 2013-01-02
Anticipated expiration: 2031-06-23
Also published as: CN202185356U; CN102247937A

Abstract

The invention discloses a magnetic sedimentation centrifugal machine which can improve the separation effect of a metal material colloid containing a ferromagnetic material ingredient. The magnetic sedimentation centrifugal machine comprises a feed pipe and a machine base, wherein the machine base is provided with a rotating drum and a machine shell which covers outside the rotating drum, a material pushing device is movably arranged in the rotating drum, the rotating drum is connected with a spindle driving device through a rotating drum shaft, the material pushing device comprises a hollow spiral core shaft which is connected with a differential driving device, the outer wall of the spiral core shaft is provided with spiral material pushing blades, the middle part of an inner cavity of the spiral core shaft is provided with a feed compartment, the side wall of the feed compartment is provided with a material passing port, the feed pipe passes through the inner cavity of the spiral core shaft and the feed compartment, the bottom of the rotating drum is provided with an overflow port which is communicated with a liquid outlet on the bottom of the machine shell, and a discharge opening formed on the rotating drum is communicated with a discharge opening on the bottom of the machine shell; and a magnet surrounds the rotating drum and is fixed on the machine shell through a supporting cylinder. The magnetic sedimentation centrifugal machine greatly improves the separation effect of the metal material colloid.

Description

Magnetic settlement centrifuge

Technical field

The present invention relates to centrifuge, refer more particularly to the Horizontal sedimentation centrifuge.

Background technology

The denomination of invention that the applicant submitted on August 18th, 2008 to State Intellectual Property Office is helical-conveyer centrifugal, application number is 200810021877.3, the application for a patent for invention that open day is on January 21st, 2009 discloses a kind of helical-conveyer centrifugal, its structure comprises: feed pipe and support, be movably set with rotary drum on the support, be movably set with material-pulling device in the rotary drum, also be provided with casing on the support, differential drive device and main shaft driving device, rotary drum covers in the casing, rotary drum links to each other with main shaft driving device by the rotary drum axle, described material-pulling device comprises the spiral mandrel of hollow, the spiral mandrel links to each other with the output shaft of described differential drive device, be provided with spiral helicine pusher leaf (claiming again pushing spiral) on the outer wall of spiral mandrel, before spiral mandrel inner chamber middle part is provided with, back striker plate, form feed space, be provided with charging aperture on the front retainer plate, offer the punishment in advance mouth on the sidewall of feed space; Described feed pipe penetrate the spiral mandrel inner chamber, be connected with charging aperture, described bottom of the drum offers overfall, overfall communicates with the leakage fluid dram of bottom of shell; The discharging opening that is opened on the rotary drum is connected with the discharge gate of bottom of shell; Described main shaft driving device comprises spindle motor, is provided with driving wheel on the output shaft of spindle motor, and driving wheel links by driving-belt and the driven pulley that is arranged on the rotary drum axle; Described differential drive device comprises differential speed motor and differential mechanism, and the output shaft of differential speed motor links to each other with the power shaft of differential mechanism, and the output shaft of described differential drive device is that the output shaft of differential mechanism links to each other with described spiral mandrel.

This centrifuge is separating some when containing the metalliferous material colloid (such as ferric hydroxide colloid) of ferrimagnet composition, because the sinking speed of metalliferous material is slower, free settling not, can not well solid phase and liquid phase separation be come, the efficient of separating is relatively poor, can not satisfy the Separation of Solid and Liquid requirement of material.

Summary of the invention

A technical problem to be solved by this invention is: a kind of magnetic settlement centrifuge that can improve the separating effect of the metalliferous material colloid that contains the ferrimagnet composition is provided.

In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: magnetic settlement centrifuge, comprise: feed pipe and support, be movably set with rotary drum on the support, be movably set with material-pulling device in the rotary drum, also be provided with casing on the support, differential drive device and main shaft driving device, rotary drum covers in the casing, rotary drum links to each other with main shaft driving device by the rotary drum axle, described material-pulling device comprises the spiral mandrel of hollow, the spiral mandrel links to each other with described differential drive device, be provided with spiral helicine pusher leaf on the outer wall of spiral mandrel, the inner chamber middle part of spiral mandrel is provided with feed space, offer the punishment in advance mouth on the sidewall of feed space, described feed pipe stretches into the inner chamber of spiral mandrel, be located in the feed space, the bottom of described rotary drum offers overfall, overfall communicates with the leakage fluid dram that is arranged on bottom of shell, and the discharging opening that is opened on the rotary drum communicates with the discharge gate that is arranged on bottom of shell; The outside of described rotary drum is surrounded by magnet, and magnet is fixed on the casing by carrying cylinder; Described carrying cylinder comprises: to be combined semicircular on, lower cover, the two ends of loam cake are respectively arranged with the end installing plate, the both sides of loam cake are respectively arranged with the side installing plate, the both sides of lower cover are respectively arranged with the side bearing plate that matches with the side installing plate of loam cake respective side, the top of described casing is provided with the upper cover gab that matches with loam cake, be respectively arranged with the end bearing plate that matches with the end installing plate of loam cake respective ends at the two ends of upper cover gab bead on the casing, the side installing plate of loam cake is fixed on the side bearing plate of lower cover respective side, the end installing plate of loam cake is fixed on the corresponding end bearing plate, and, be provided with sealing strip between end installing plate and the corresponding end bearing plate.

Described magnet comprises at least one magnet set of monomers, and each magnet set of monomers comprises at least two, and all magnet monomer solids fix on the inwall of described carrying cylinder around the magnet monomer of rotary drum circumferential arrangement, and carrying cylinder is fixed on the described casing.

Described rotary drum comprises: straight tube is located at the outside of straight tube with the conically shaped that links to each other with straight tube, described magnet; Described spiral mandrel inner chamber middle part is provided with forward and backward striker plate with respect to the junction of straight tube and conically shaped, forms feed space; Be provided with charging aperture on the described front retainer plate, described feed pipe stretches into feed space from this charging aperture.

Described main shaft driving device comprises spindle motor, is provided with driving wheel on the output shaft of spindle motor, and driving wheel links by driving-belt and the driven pulley that is arranged on the rotary drum axle; Described differential drive device comprises differential speed motor and differential mechanism, and the output shaft of differential speed motor links to each other with the power shaft of differential mechanism, and the output shaft of differential mechanism links to each other with described spiral mandrel.

Further technical problem to be solved by this invention is: a kind of magnetic settlement centrifuge that can reduce the rotary drum temperature is provided.

In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: cover on described and be equipped with some cooling tubes, the bottom of described lower cover is provided with apopore, and the bottom of described casing is provided with coolant outlet.

Described some cooling tubes are separated by the magnet set of monomers, and, in each magnet set of monomers, between a pair of adjacent magnet monomer near the lower cover bottom, be provided with drainage channel at least.

The top of described casing also is equipped with cleaning hose above discharging opening.

The invention has the beneficial effects as follows: the present invention is by being enclosed in the magnet in rotary drum straight tube (settling section) outside, after material enters the centrifugal basket drum chamber, contain under the acting in conjunction of metal solid particle by the powerful centrifugal force of the rotary drum generation of High Rotation Speed and the magnetic force that magnet produces of ferrimagnet composition, be attracted on the drum inner wall, form solid circular layer, thereby greatly improved separating effect, satisfied the Separation of Solid and Liquid requirement of the metalliferous material colloid that contains the ferrimagnet composition.In addition, be located in the cooling tube that covers, can pass into cooling water in the operation process of centrifuge, rotary drum obtains fine cooling, so that centrifuge can turn round for a long time reliable and stablely; Be arranged on the drainage channel between the magnet monomer, greatly improved the flowability of cooling water, improved heat exchange effect, and after stopping water supply, cooling water can flow out from upper and lower cover, can not store up water.

Description of drawings

Fig. 1 is sectional structure schematic diagram of the present invention;

Fig. 2 be among Fig. 1 upper and lower cover along the broken section structure for amplifying schematic diagram of K direction.

Fig. 3 is the structure for amplifying schematic diagram of A part among Fig. 1.

Fig. 4 is the structure for amplifying schematic diagram of B part among Fig. 2.

Among Fig. 1 to Fig. 4: 1, the spiral mandrel, 2, the pusher leaf, 3, power transmission shaft, 4, front retainer plate, 5, back striker plate, 6, feed pipe, 7, the punishment in advance mouth, 8, wear plate, 9, base plate, 11, differential speed motor, 12, differential mechanism, 13, spindle motor, 14, driving wheel, 15, driven pulley, 16, rotary drum, 160, at the bottom of the rotary drum, 161, straight tube, 162, conically shaped, 18, leakage fluid dram, 19, discharging opening, 20, discharge gate, 21, support, 22, casing, 23, the rotary drum axle, 24, rinse mouth, 25, cooling tube, 26, feed hopper, 27, magnet, 271, the magnet monomer, 28, loam cake, 29, lower cover, 291, apopore, 30, coolant outlet, 31, overfall, 32, the end bearing plate, 33, the end installing plate, 331, seal groove, 34, sealing strip, 35, apocenosis passage, 36, the discharge opeing baffle plate, 37, discharging channel, 38, the discharge baffle plate, 39, the side installing plate, 391, the loam cake fixing hole, 40, the side bearing plate, 41, drainage channel.

The specific embodiment

As shown in Figure 1, magnetic settlement centrifuge of the present invention, comprise: feed pipe 6 and support 21 and mainly by at the bottom of the rotary drum 160, the rotary drum 16 that consists of with 160 straight tubes that link to each other 161 at the bottom of the rotary drum and the conically shaped 162 that links to each other with straight tube 161, rotary drum 16 by at the bottom of the rotary drum 160 and the rotary drum axle 23 that is located in the conically shaped 162 be movably arranged on the support 21, also be provided with casing 22 on the support 21, differential drive device and main shaft driving device, this main shaft driving device comprises: spindle motor 13, be provided with driving wheel 14 on the output shaft of spindle motor 13, driving wheel 14 links by driving-belt and the driven pulley 15 that is arranged on the rotary drum axle 23; Described differential drive device comprises: the differential driver that differential speed motor 11 is connected with differential mechanism and is connected the power shaft of the output shaft of differential speed motor 11 and differential mechanism 12, and this differential driver comprises: be arranged on the output wheel on the output shaft of differential speed motor 11, the driving-belt that is arranged on the wheel for inputting on differential mechanism 12 power shafts and connects wheel for inputting and output wheel; Rotary drum 16 covers in the casing 22, be movably set with material-pulling device in the rotary drum 16, this material-pulling device comprises: the spiral mandrel 1 that is movably arranged on the hollow in the rotary drum 16, the output shaft of differential mechanism 12 is that power transmission shaft 3 passes at the bottom of the rotary drum 160 and links to each other with the bottom of spiral mandrel 1, its concrete syndeton is: power transmission shaft 3 stretches in the installation cavity of spiral mandrel 1 bottom, be fixed together with the base plate 9 that is arranged in the spiral mandrel 1, be provided with spiral helicine pusher leaf 2 on the outer wall of spiral mandrel 1, before the inner chamber of spiral mandrel 1 middle part is provided with respect to the junction of straight tube 161 and conically shaped 162,

back striker plate

4 and 5, form feed space, be provided with charging aperture on the front retainer plate 4, described feed pipe 6 stretches into feed space from this charging aperture, offer punishment in advance mouth 7 on the sidewall of feed space; Offer overfall 31 on 160 at the bottom of the rotary drum of described rotary drum 16 bottoms, overfall 31 communicates with the leakage fluid dram 18 that is arranged on casing 22 bottoms by the apocenosis passage 35 that is arranged in the casing 22, be provided with discharge opeing baffle plate 36 in the apocenosis passage 35, the discharging opening 19 that is opened on the conically shaped 162 of rotary drum 16 communicates with the discharge gate 20 that is arranged on casing 22 bottoms by the discharging channel 37 in the casing 22, also is provided with discharge baffle plate 38 in the discharging channel 37; The outside of the straight tube 161 of described rotary drum 16 is surrounded by magnet 27, magnet 27 is fixed on the casing 22 by carrying cylinder, as shown in Figure 2, this carrying cylinder comprises: to be combined semicircular on,

lower cover

28 and 29, the two ends of loam cake 28 are respectively arranged with end installing plate 33, the both sides of loam cake 28 are respectively arranged with side installing plate 39, the both sides of lower cover 29 are respectively arranged with the side bearing plate 40 that matches with the side installing plate 39 of loam cake 28 respective side, the top of described casing 22 is provided with the upper cover gab that matches with loam cake 28, casing 22 is respectively arranged with the end bearing plate 32 that matches with the end installing plate 33 of loam cake 28 respective ends at the two ends of upper cover gab bead, the side installing plate 39 of loam cake 28 is bolted on the side bearing plate 40 of lower cover 29 respective side, the end installing plate 33 of loam cake 28 is fixed on the corresponding end bearing plate 32, and, be provided with sealing strip 34 between end installing plate 33 and the corresponding end bearing plate 32, in the present embodiment, as shown in Figure 3, offer the seal groove 331 of arc on the described end installing plate 33, described sealing strip 34 is embedded in seal groove 331; Described magnet 27 comprises seven magnet set of monomers, each magnet set of monomers comprises a plurality of magnet monomers 271 that center on straight tube 161 circumferential arrangement of rotary drum 16, that is: magnet monomer 271 surrounds the straight tube 161 of rotary drum 16 in the form of a ring in each magnet set of monomers, and all magnet monomers 271 are fixed on the inwall of described upper and lower cover 28 or 29.Be equipped with five cooling tubes 25 on the described loam cake 28, the bottom of described lower cover 29 is provided with apopore 291, and the bottom of described casing 22 is provided with coolant outlet 30; In the present embodiment, also be provided with on the described side installing plate 39 for the loam cake fixing hole 391 that side installing plate 39 is fixed on the casing 22, fastening bolt passes loam cake fixing hole 391 and is fixed on the casing 22; For when reaching better adsorbing metal solid particle effect, the straight tube 161 of cooler drum 16 better, described five cooling tubes 25 are separated by the magnet set of monomers, so that cooling tube 25 and magnet set of monomers be distributed in well-balancedly straight tube 161 around, in each magnet set of monomers, be provided with drainage channel 41 between the adjacent magnet monomer 271---referring to shown in Figure 4; The top of described casing 22 also is being equipped with above the discharging opening 19 for the cleaning hose 24 that cleans heels on discharging channel 37 inwalls.

During work, after material enters centrifugal basket drum chamber (spaces between the outer wall of spiral mandrel 1 and rotary drum 16 inwalls), the metal solid particle is produced under the acting in conjunction of the magnetic force that powerful centrifugal force and magnet 27 produces by the rotary drum 16 of High Rotation Speed, be attracted on rotary drum 16 inwalls, form solid circular layer, and the density of water is less, and centrifugal force is also less, can only be at the inboard pendular ring layer that forms of solid circular layer; Because spiral mandrel 1 is different with the rotating speed of rotary drum 16, there is relative motion (i.e. poor rotating speed) in the two, the solid that is deposited on rotary drum 16 inwalls is pushed to rotary drum 16 small ends, 37 by discharge gate 20 discharges from discharging opening 19 along discharging channel, and isolated water is discharged by leakage fluid dram 18 along apocenosis passage 35 from the overfall 31 of the other end of rotary drum 16.

Claims

1. magnetic settlement centrifuge, comprise feed pipe and support, be movably set with rotary drum on the support, be movably set with material-pulling device in the rotary drum, also be provided with casing on the support, differential drive device and main shaft driving device, rotary drum covers in the casing, rotary drum links to each other with main shaft driving device by the rotary drum axle, described material-pulling device comprises the spiral mandrel of hollow, the spiral mandrel links to each other with described differential drive device, be provided with spiral helicine pusher leaf on the outer wall of spiral mandrel, the inner chamber middle part of spiral mandrel is provided with feed space, offers the punishment in advance mouth on the sidewall of feed space, described feed pipe stretches into the inner chamber of spiral mandrel, be located in the feed space, the bottom of described rotary drum offers overfall, and overfall communicates with the leakage fluid dram that is arranged on bottom of shell, and the discharging opening that is opened on the rotary drum communicates with the discharge gate that is arranged on bottom of shell; It is characterized in that: the outside of described rotary drum is surrounded by magnet, and magnet is fixed on the casing by carrying cylinder; Described carrying cylinder comprises: to be combined semicircular on, lower cover, the two ends of loam cake are respectively arranged with the end installing plate, the both sides of loam cake are respectively arranged with the side installing plate, the both sides of lower cover are respectively arranged with the side bearing plate that matches with the side installing plate of loam cake respective side, the top of described casing is provided with the upper cover gab that matches with loam cake, be respectively arranged with the end bearing plate that matches with the end installing plate of loam cake respective ends at the two ends of upper cover gab bead on the casing, the side installing plate of loam cake is fixed on the side bearing plate of lower cover respective side, the end installing plate of loam cake is fixed on the corresponding end bearing plate, and, be provided with sealing strip between end installing plate and the corresponding end bearing plate.

2. magnetic settlement centrifuge as claimed in claim 1, it is characterized in that: described magnet comprises at least one magnet set of monomers, each magnet set of monomers comprises at least two around the magnet monomer of rotary drum circumferential arrangement, all magnet monomer solids fix on the inwall of described carrying cylinder, and carrying cylinder is fixed on the described casing.

3. magnetic settlement centrifuge as claimed in claim 1, it is characterized in that: described rotary drum comprises: straight tube is positioned at the outside of straight tube with the conically shaped that links to each other with straight tube, described magnet; Be provided with forward and backward striker plate in the described spiral mandrel inner chamber, form feed space; Be provided with charging aperture on the described front retainer plate, described feed pipe stretches into feed space from this charging aperture.

4. such as claim 1,2 or 3 described magnetic settlement centrifuges, it is characterized in that: cover on described and be equipped with some cooling tubes, the bottom of described lower cover is provided with apopore, and the bottom of described casing is provided with coolant outlet.

5. magnetic settlement centrifuge as claimed in claim 4, it is characterized in that: described some cooling tubes are separated by the magnet set of monomers, and, in each magnet set of monomers, between a pair of adjacent magnet monomer near the lower cover bottom, be provided with drainage channel at least.

6. magnetic settlement centrifuge as claimed in claim 1, it is characterized in that: the top of described casing also is equipped with cleaning hose above discharging opening.

7. such as claim 5 or 6 described magnetic settlement centrifuges, it is characterized in that: described main shaft driving device comprises spindle motor, is provided with driving wheel on the output shaft of spindle motor, and driving wheel links by driving-belt and the driven pulley that is arranged on the rotary drum axle; Described differential drive device comprises differential speed motor and differential mechanism, and the output shaft of differential speed motor links to each other with the power shaft of differential mechanism, and the output shaft of differential mechanism links to each other with described spiral mandrel.