CN102247949B

CN102247949B - Superfine powder concentrator

Info

Publication number: CN102247949B
Application number: CN 201110151503
Authority: CN
Inventors: 郭建伟; 葛中伟; 郭翰; 孔松涛; 孔占霞; 刘涛; 张志强
Original assignee: HENAN ZHONGLONG TECHNOLOGY Co Ltd
Current assignee: HENAN ZHONGLONG TECHNOLOGY Co Ltd
Priority date: 2011-06-08
Filing date: 2011-06-08
Publication date: 2012-12-12
Anticipated expiration: 2031-06-08
Also published as: CN102247949A

Abstract

The invention discloses a superfine powder concentrator. The superfine powder concentrator consists of a homogenization separation mechanism, a throwing decomposition mechanism and a powder concentration mechanism, wherein the powder concentration mechanism consists of a rotor, a motor for driving the rotor to rotate and a powder concentration flow field formed between the rotor and a frame; and the homogenization separation mechanism is provided with a shell, a cavity formed in the shell is a homogenization room, a conical material separation block is arranged in the homogenization room, the shell is provided with a feed opening, a feeding opening formed on the bottom of the shell is hermetically connected with an upper-end pipe orifice of a feeding pipe, and a lower-end pipe orifice of the feeding pipe is arranged corresponding to the throwing decomposition mechanism. The device is easy to operate; the efficiency of the powder concentrator is greatly improved, and the power concentrator has small floor area at the same time; and a feeding fan is saved, the production cost is reduced, and the noise in a workshop is also reduced.

Description

A kind of superfine powder powder concentrator

Technical field

The present invention relates to select in a kind of never equigranular solid state powder material the powder concentrator of the granularity that requires, a kind of specifically superfine powder powder concentrator.

Background technology

At present; Superfine powder by various grinding machines, grinder, high velocity air disintegrating machine etc. are produced all will be selected qualified fine powder through powder concentrator, and underproof fine powder turns back in the grinding machine once more, and the powder concentrator that can select superfines on the market mostly is to utilize wind powder feeding material; As shown in Figure 8; Wind powder feeding material delivery port 21 on this kind equipment receives powder, and feeding fan is delivered to wind powder feeding material delivery port 21 places with particulate material through closed conduit, and powder dilutes laggard selected powder flow field 8 through wind-force; Driving mechanism 23 drives rotor 7 rotations; Receive centrifugal action to select qualified fine powder and discharge through fine powder outlet 22 and collect, the powder principle of selecting of these powder concentrators all is to lean on air dilution powder ball, powder ball to decompose to be individual particle then to select qualified fine powder through rotor, and this kind equipment has following shortcoming; One of which, select powder mainly to rely on air dilution powder ball, so the control of the parameters such as pressure, temperature and intake in the pipeline is comparatively loaded down with trivial details, uses extremely inconvenient; Two, such powder concentrator common characteristic is to need to cooperate powder feeding blower fan and closed conduit to use, and therefore makes that such occupation area of equipment is big, and production cost is higher.

Summary of the invention

The objective of the invention is the deficiency for solving the problems of the technologies described above, improve a kind of superfine powder powder concentrator, adopt the solid state powder material to select powder for throwing in material, this occupation area of equipment is little, and has reduced production cost.

The present invention is the deficiency that solves the problems of the technologies described above; The technical scheme that is adopted is: a kind of superfine powder powder concentrator; By the homogenizing separating mechanism, shed and decompose mechanism and the powder concentrator structure is formed; Described powder concentrator structure is made up of the powder flow field of selecting that constitutes between rotor, drive rotor motor rotating and rotor and the frame, on the powder concentrator structure, also is provided with superfine powder outlet and coarse fodder outlet;

Described homogenizing separating mechanism is provided with a housing; The cavity that constitutes in the housing is a levelling chamber; In levelling chamber, be provided with tapered distribution block; On housing, be provided with dog-house, the feed opening of housing bottom setting and the passage upper end mouth of pipe are tightly connected, and the lower end mouth of pipe correspondence of passage is shed and decomposed mechanism's setting;

The described decomposition mechanism of shedding constitutes by shedding separator disk; Shed separator disk and be arranged on the upper surface of rotor and rotate synchronously with rotor, shed separator disk and be connected with selecting the powder flow field with the cavity that frame constitutes, the described separator disk of shedding is made up of receiver and blocking material ring; Receiver is an annular slab; Be close at the outer circumference surface of receiver and be provided with blocking material ring, a week of blocking material ring upper surface is provided with material-distributing tooth, and the height of material-distributing tooth is greater than the height of receiver plate face.

The number of described feed opening is 4-8.

The unsettled top of shedding separator disk that is arranged on of the lower end mouth of pipe of passage, the lower end mouth of pipe of passage and the down suction of shedding between the separator disk are 100-150 ㎜.

The described separator disk of shedding that decomposes in the mechanism of shedding is set to two or more, and per two differences in height of shedding between the separator disk are 80-150 ㎜.

The profile of tooth of described material-distributing tooth is triangle or rectangle.

The tooth depth of described material-distributing tooth is 30-50 ㎜, and the facewidth is 30-50 ㎜, and the backlash is 30-50 ㎜.

The invention has the beneficial effects as follows:

1, because conventional equipment employing wind powder feeding material is a raw material, so the control of the parameters such as pressure, temperature and intake in its closed conduit is comparatively loaded down with trivial details, uses extremely inconvenient; Two, such powder concentrator common characteristic is to need to cooperate powder feeding blower fan and closed conduit to use, and therefore makes that such occupation area of equipment is big, and production cost is higher; This device decomposes mechanism through the homogenizing separating mechanism is set with shedding; Realized adopting with the solid state powder material and expected, saved requisite feeding fan of conventional equipment and closed conduit, therefore as throwing in; Save powder and in closed conduit, relied on loaded down with trivial details handling processes such as air dilution powder ball, powder ball decomposition; And this device is only controlled rotor speed well and got final product, and is simple to operate and make this powder concentrator efficient improve greatly, and floor space is little simultaneously; Save feeding fan, reduced production costs, also reduced the noise in workshop simultaneously.

2, this device adopts the solid state powder material to expect for throwing in, during powder process homogenizing separating mechanism; Realize for the first time shedding separation, back particulate material drops down onto through passage and sheds on the separator disk, realizes shedding for the second time separation on the separator disk shedding of rotation; Clash into back and forth with the material-distributing tooth of shedding the separator disk edge in rotation through granule materials, the bulk powder is broken down into individual particle, and bulky grain is broken down into granule; Better played and separated the effect of decomposing powder,, or got into subordinate through the backlash and shed separation because agglomerates might clash into material-distributing tooth back and forth; Therefore the size and the gap of material-distributing tooth also are this patent design focal points; For realizing optimal effectiveness, the tooth depth of material-distributing tooth is 30-50 ㎜, and the facewidth is 30-50 ㎜; The backlash is 30-50 ㎜, and this kind structure better realizes separating the effect of decomposing powder.

3, this device can be provided with the multistage separator disk of shedding, and a plurality of separator disk height of shedding do not wait, and that has realized powder multistagely sheds decomposition, selects the powder better effects if.

Description of drawings

Fig. 1 is a structural representation of the present invention.

Fig. 2 is the structural representation of homogenizing separating mechanism.

Fig. 3 is along the cutaway view of A-A line among Fig. 2.

Fig. 4 is a structural representation of shedding separator disk.

Fig. 5 is the structural representation of first kind of embodiment of material-distributing tooth profile of tooth.

Fig. 6 is the structural representation of second kind of embodiment of material-distributing tooth profile of tooth.

Fig. 7 for the homogenizing separating mechanism with shed the structural representation that is connected of decomposition mechanism.

Fig. 8 is the structural representation of powder concentrator in the prior art.

Mark among the figure: 1, homogenizing separating mechanism, 2, passage, 3, motor, 4, transmission mechanism, 5, shed and decompose mechanism, 6, frame; 7, rotor, 8, select the powder flow field, 9, the coarse fodder outlet, 10, the superfine powder outlet, 11, housing, 12, levelling chamber; 13, dog-house, 14, distribution block, 15, feed opening, 16, receiver, 17, blocking material ring, 18, material-distributing tooth; 19, one-level is shed separator disk, and 20, secondary sheds separator disk, 21, wind powder feeding material delivery port, 22, the fine powder outlet, 23, driving mechanism.

The specific embodiment

As shown in the figure; A kind of superfine powder powder concentrator; By homogenizing separating mechanism 1, shed and decompose mechanism 5 and the powder concentrator structure is formed; Described powder concentrator structure is made up of the powder flow field 8 of selecting that constitutes between rotor 7, drive rotor motor rotating 3 and rotor 7 and the frame 6, and motor 3 is given rotor 7 through transmission mechanism 4 with transmission of power, on the powder concentrator structure, also is provided with superfine powder outlet 10 and exports 9 with coarse fodder.

Described homogenizing separating mechanism 1 is provided with a housing 11; The cavitys that constitute in the housing 11 are levelling chamber 12, in levelling chamber 12, are provided with tapered distribution block 14, distribution block 14 up top; On housing 11, be provided with dog-house 13; The feed opening 15 that housing 11 bottoms are provided with is tightly connected with the upper end mouth of pipe of passage 2, and unsettled being arranged on of the lower end mouth of pipe of passage 2 is shed the top of shedding separator disk of decomposing in the mechanism 5, and the lower end mouth of pipe of passage 2 and the down suction of shedding between the separator disk are 100-150 ㎜; Solid material is thrown in to levelling chamber along dog-house; Fall along the distribution block of taper, better solid material shunting and homogenizing are handled, after this material drops to through the passage of correspondence along different feed openings and sheds on the separator disk.

Described feed opening 15 is 4-8, and then correspondence is provided with same number of passage, and passage and feed opening are tightly connected, and prevents that dust from getting into, and guarantees that simultaneously levelling chamber's internal pressure is stable, and the matter homogenizing separating effect is better.

Described shedding decomposed mechanism 5 and constituted by shedding separator disk, sheds separator disk and is arranged on the upper surface of rotor 7 and rotates synchronously with rotor, sheds separator disk and is connected with selecting powder flow field 8 with the cavity of frame 6 formations; Therefore get into and select the powder flow field through shedding powder after the processing, shed separator disk and be made up of receiver 16 and blocking material ring 17, receiver 16 is an annular slab; The plate face is a shiny surface, be close at the circumference of receiver 16 to be provided with blocking material ring 17, described blocking material ring 17 upper surfaces a week be provided with material-distributing tooth 18; The height of material-distributing tooth 18 is greater than the height of receiver 16 plate faces, and the solid state powder material is sent on the receiver 16 through passage 2, when the rotor of powder concentrator rotates; Receiver rotates simultaneously; Receive centrifugal action, solid material gets rid of to the marginal belt to receiver, through with blocking material ring on material-distributing tooth bump; Played the effect of decomposing the solid state powder material that separates, the particulate material of after this decomposing gets into selects the powder flow field.

As shown in the figure, the described separator disk of shedding can be provided with two or more, is multi-stage separation, and per two differences in height of shedding between the separator disk are 80-150 ㎜.Be separated into example with two-stage: secondary is shed separator disk 20 and is close to the outer circumference surface setting that one-level is shed separator disk 19; One-level is shed separator disk 19 and is exceeded secondary to shed separator disk 20 distance be 100 ㎜; At first fall the one-level of rotation through the material of passage 2 whereabouts and shed on the separator disk 19, be provided with material-distributing tooth because one-level is shed the edge of separator disk 19, the solid state powder material of shedding is through behind the material-distributing tooth 18; Played the effect of decomposing that separates; Also played simultaneously the effect that is uniformly distributed with powder, after this one-level is shed separator disk 19 rotations and the solid state powder material is thrown to secondary is shed on the end face of separator disk 20, and secondary is shed separator disk 20 and continued solid material is thrown away; Become the individual particle shape until solid state powder material decomposition and separation, get in the rotor through selecting the powder flow field.

The tooth depth of described material-distributing tooth 18 is 30-50 ㎜, and the facewidth is 30-50 ㎜, and the backlash is 30-50 ㎜, and profile of tooth is preferentially selected triangle or rectangle for use, can play to be uniformly distributed with powder, also can play the effect of decomposing that separates.

After shedding the processing of decomposition mechanism, particulate material gets into selects the powder flow field, under rotor high-speed rotates, receives centrifugal action, and qualified superfine powder is through exporting 10 collections from superfine powder between rotor, and granularity does not reach collecting once more through coarse fodder outlet 9 of requirement and handles.

Claims

1. superfine powder powder concentrator; It is characterized in that: by homogenizing separating mechanism (1), shed and decompose mechanism (5) and the powder concentrator structure is formed; Described powder concentrator structure is made up of the powder flow field (8) of selecting that constitutes between rotor (7), drive rotor motor rotating (3) and rotor (7) and the frame (6), on the powder concentrator structure, also is provided with superfine powder outlet (10) and coarse fodder outlet (9);

Described homogenizing separating mechanism (1) is provided with a housing (11); The cavity that constitutes in the housing (11) is levelling chamber (12); In levelling chamber (12), be provided with tapered distribution block (14); On housing (11), be provided with dog-house (13), the feed opening (15) that housing (11) bottom is provided with is tightly connected with the upper end mouth of pipe of passage (2), and the corresponding setting of the lower end mouth of pipe of passage (2) is shed and decomposed mechanism (5);

The described decomposition mechanism (5) of shedding constitutes by shedding separator disk; Shedding separator disk is arranged on the upper surface of rotor (7) and rotates synchronously with rotor; Shedding separator disk is connected with selecting powder flow field (8) with the cavity that frame (6) constitutes; The described separator disk of shedding is made up of receiver (16) and blocking material ring (17), and receiver (16) is an annular slab, is close at the outer circumference surface of receiver (16) to be provided with said blocking material ring (17); Blocking material ring (17) upper surface be provided with material-distributing tooth (18) week, the height of material-distributing tooth (18) is greater than the height of receiver (16) plate face.

2. a kind of superfine powder powder concentrator according to claim 1 is characterized in that: the number of described feed opening (15) is 4-8.

3. a kind of superfine powder powder concentrator according to claim 1; It is characterized in that: the unsettled top of shedding separator disk that is arranged on of the lower end mouth of pipe of passage (2), the lower end mouth of pipe of passage (2) and the down suction of shedding between the separator disk plate face are 100-150 ㎜.

4. a kind of superfine powder powder concentrator according to claim 1 is characterized in that: the described separator disk of shedding that decomposes in the mechanism (5) of shedding is set to more than two, and per two differences in height of shedding between the separator disk are 80-150 ㎜.

5. a kind of superfine powder powder concentrator according to claim 1 is characterized in that: the profile of tooth of described material-distributing tooth (18) is triangle or rectangle.

6. a kind of superfine powder powder concentrator according to claim 5 is characterized in that: the tooth depth of described material-distributing tooth (18) is 30-50 ㎜, and the facewidth is 30-50 ㎜, and the backlash is 30-50 ㎜.