CN214812404U

CN214812404U - Multistage screening device for mineral powder

Info

Publication number: CN214812404U
Application number: CN202120739789.8U
Authority: CN
Inventors: 陈鸿生
Original assignee: Panzhihua Fu Titanium Mining Co ltd
Current assignee: Panzhihua Fu Titanium Mining Co ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-11-23
Anticipated expiration: 2031-04-12

Abstract

The utility model discloses a powdered ore multistage screening device, including a plurality of sieve powder structures that follow supreme connection in order down, sieve powder structure includes the funnel of vertical placement and installs the cartridge filter in the funnel inside, the cartridge filter horizontal installation is in the funnel inside, cartridge filter and funnel can dismantle through at least two evenly distributed connecting rods in the cartridge filter both sides and be connected, the both ends of cartridge filter are sealed by the closing plate respectively, the lateral wall of cartridge filter is the filter screen, the inlet pipe is installed at the top of cartridge filter, the internally mounted of cartridge filter has coaxial stirring rake, install the motor of drive stirring rake on the outer terminal surface of cartridge filter; the feeding pipe of the powder sieving structure positioned below the two adjacent powder sieving structures is communicated with the lower end of the funnel of the powder sieving structure positioned above the feeding pipe; from bottom to top, the aperture of the filter hole of the filter cartridge is gradually increased; the feed pipe that is arranged in the powder screening structure at the top is communicated with a feed hopper. The utility model discloses can effectively avoid the powdered ore to fly upward in the air.

Description

Multistage screening device for mineral powder

Technical Field

The utility model relates to a sieve powder device, concretely relates to powdered ore multistage screening device.

Background

The mineral powder is generally material powder obtained by crushing and processing mined ores, such as iron ore powder, and is obtained by crushing, ball-milling and magnetic separation of different types of iron-containing ores, such as limonite, magnetite and the like, wherein the common mineral powder contains 60-68% of iron and 70-72% of ultra-fine mineral powder, and the iron powder is granular iron powder which has higher relative iron content than the mineral powder, is obtained in high grade and reaches the granularity required by use by adopting different processing technologies, such as a reduction method, a water or gas atomization method, a mechanical crushing method, an electrolysis method, a molten salt decomposition method, an evaporation and condensation method and the like.

The ore powder is required to be screened after being crushed to obtain the ore powder with different particle sizes, the currently used screening powder structure is generally a vibrating screen, the area of a powder outlet of the vibrating screen is large, and the screened powder is easy to fly in the air; when multistage reciprocating sieve accepts each other, the clearance is big between the adjacent reciprocating sieve, and the powder that last one-level reciprocating sieve was sieved is big with the space of external environment contact, and the powder flies upward easily in the external environment, not only causes the powder extravagant, still pollutes the environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that current sieve powder device goes out powder mouth area big, and is big with external environment contact space, and the powdered ore flies upward easily and causes the powdered ore extravagant and polluted environment in the air, and aim at provides a powdered ore multistage sieving mechanism, solves above-mentioned problem.

The utility model discloses a following technical scheme realizes:

a mineral powder multistage screening device comprises a plurality of sieve powder structures which are sequentially connected from bottom to top, wherein each sieve powder structure comprises a funnel and a filter cylinder, the funnels are vertically placed, the filter cylinders are installed inside the funnels horizontally, the filter cylinders and the funnels are detachably connected through at least two connecting rods which are uniformly distributed on two sides of each filter cylinder, two ends of each filter cylinder are respectively sealed by sealing plates, the side walls of the filter cylinders are filter screens, feed pipes are installed at the tops of the filter cylinders, coaxial stirring paddles are installed inside the filter cylinders, and a motor for driving the stirring paddles is installed on one outer end face of each filter cylinder; the feeding pipe of the powder sieving structure positioned below the two adjacent powder sieving structures is communicated with the lower end of the funnel of the powder sieving structure positioned above the feeding pipe; from bottom to top, the aperture of the filter hole of the filter cartridge is gradually increased; the feed pipe that is arranged in the powder screening structure at the top is communicated with a feed hopper.

The utility model adopts the filter cartridge and the funnel to replace the vibrating screen, the stirring paddle is arranged in the filter cartridge and stirs the mineral powder in the filter cartridge, the mineral powder passes through the filter cartridge in the stirring process to achieve the purpose of screening the powder, and compared with the vibrating screen, the structure of the filter cartridge and the stirring paddle has simple structure, small occupied space and can be arranged in the funnel; adopt the funnel as the guide structure of cartridge filter ejection of compact, the funnel has reduced the contact space of the powdered ore that the cartridge filter was sieved and external environment including with the cartridge filter cladding, can effectively avoid the powdered ore to fly upward in the air.

The utility model discloses well cartridge filter adopts the cylinder section of thick bamboo that the filter screen encloses, the interval between the paddle of stirring rake and the cartridge filter section of thick bamboo wall keeps minimum as far as possible, the stirring rake fast turn makes the powdered ore of cartridge filter inside roll, fly upward, the granule that the particle diameter is less than cartridge filter aperture can be worn out the cartridge filter and gets into the outside funnel of cartridge filter, under the action of gravity, the powdered ore is along the inlet pipe of downward roll-off funnel of funnel inner wall and entering funnel below intercommunication, the powdered ore carries out the secondary screening from the inlet pipe and gets into the cartridge filter that corresponds in the cartridge filter that corresponds, the powdered ore carries out the cubic screening through the powdered ore of secondary screening and the cartridge filter that the inlet pipe got into the below, the powdered ore is from last to realizing the multistage screening of powdered ore through a plurality of cartridge filters in proper order down, obtain the powdered ore of multistage particle diameter of multistage, the powdered ore of discharging from the below funnel is finest.

The utility model discloses a use-way does: installing a plurality of powder screening structures above a powder box for containing mineral powder from bottom to top in sequence, adding the mineral powder needing to be screened into a filter cylinder positioned at the top from a feed hopper positioned at the top, starting motors of stirring paddles inside all the filter cylinders, performing primary screening on the mineral powder by the filter cylinder positioned at the top, enabling the mineral powder screened at the first time to enter a funnel outside the filter cylinder, enabling the mineral powder to enter a filter cylinder positioned at the bottom through the funnel for secondary screening, enabling the mineral powder screened at the second time to enter the filter cylinder positioned at the bottom through the corresponding funnel for tertiary screening, and enabling the mineral powder to sequentially pass through all the filter cylinders from top to bottom and then enter the powder box from the funnel positioned at the bottom; when remaining powdered ore in every cartridge filter need be poured, separate adjacent inlet pipe and funnel, take off every sieve powder structure from last to down in proper order, separate the cartridge filter in every sieve powder structure with the funnel again, pour remaining powdered ore from the cartridge filter can. The funnel is detachably connected with the adjacent feeding pipe, and the filter cartridge is also detachably connected with the corresponding funnel, so that the filter cartridge is easy to disassemble and assemble; the funnel and the adjacent feeding pipe can be connected by adopting a pipeline joint or directly connected by screw threads.

The utility model discloses well funnel is the transmission structure of powdered ore, has reduced the powdered ore screening in-process with external environment's contact space, can effectively avoid the powdered ore to fly upward in the air, has both reduced the waste volume of powdered ore, by the environmental protection health.

The adjacent feed pipes are communicated with the funnel through flange plates. The flange structure and the operation mode are simple, the flange structure is easy to obtain on the market, the maintenance cost is low, and the flange sealing performance at the joint between the feeding pipe and the funnel is high.

From the bottom up, the size of funnel and the size of cartridge filter reduce gradually. The more the sieve powder structure quantity of installation, the more insecure the whole device installation, if the whole device is heavier the more upward, the bottom can not support the weight above, and the whole screening device is easy to topple or swing, therefore, the size of the funnel and the filter cylinder above the device is smaller than that below the device, which is beneficial to reducing the weight above and maintaining the balance of the whole device; the size of funnel and cartridge filter reduces, the change of the inlet pipe size correspondence with the funnel intercommunication.

The connecting rod is connected with the side wall of the filter cartridge and is fixed, and the connecting rod is connected with the funnel through a screw or an adhesive. The connecting rod is fixed with the filter cartridge through adhesive or screw connection, and is convenient to disassemble and assemble.

The closing plate at cartridge filter both ends passes through the screwed connection with the cartridge filter and fixes, and the motor is installed on the closing plate outer wall of cartridge filter one end, and the one end of stirring rake is passed the closing plate and is connected fixedly with the motor. The closing plate can be dismantled with the cartridge filter, when needing to pour out the powdered ore of cartridge filter inside, directly opens the closing plate, can fall the material fast.

The feed inlet at the top of the feed hopper is communicated with a spiral feeder. The spiral feeder is used for feeding unscreened mineral powder into the feed hopper, and is convenient to use.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

1. the mineral powder multistage screening device of the utility model adopts the filter cartridge and the funnel to replace the vibrating screen, reduces the contact space between the mineral powder screened out by the filter cartridge and the external environment, and can effectively avoid the mineral powder from flying in the air;

2. the filter cartridge and the funnel of the mineral powder multistage screening device have simple structures and small occupied space;

3. the utility model relates to a funnel and cartridge filter of top are less than the phase ratio of below in the powdered ore multistage screening device type, are favorable to alleviateing the weight of top, maintain whole device balance.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the powder sieving structure of the present invention;

fig. 3 is a schematic structural diagram of the filter cartridge of the present invention;

fig. 4 is a top view of the powder sieving structure of the present invention.

Reference numbers and corresponding part names in the drawings:

1-funnel, 2-cartridge filter, 3-connecting rod, 4-flange, 5-feed hopper, 21-feed pipe, 22-stirring paddle, 23-motor.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

Example 1

As shown in fig. 1-4, the multistage mineral powder screening device of the present invention includes a plurality of powder screening structures sequentially connected from bottom to top, the powder screening structures include a funnel 1 vertically placed and a filter cartridge 2 installed inside the funnel 1, the filter cartridge 2 is horizontally installed inside the funnel 1, the filter cartridge 2 and the funnel 1 are detachably connected through at least two connecting rods 3 uniformly distributed on two sides of the filter cartridge 2, two ends of the filter cartridge 2 are respectively sealed by sealing plates, a side wall of the filter cartridge 2 is a filter screen, a feeding pipe 21 is installed on the top of the filter cartridge 2, a coaxial stirring paddle 22 is installed inside the filter cartridge 2, and a motor 23 for driving the stirring paddle 22 is installed on an outer end surface of the filter cartridge 2; the feeding pipe 21 of the powder sieving structure positioned below the two adjacent powder sieving structures is communicated with the lower end of the funnel 1 of the powder sieving structure positioned above the feeding pipe; from bottom to top, the aperture of the filter hole of the filter cartridge 2 is gradually increased; the feeding pipe 21 in the uppermost powder sieving structure is communicated with a feeding hopper 5.

The adjacent feeding pipes 21 are communicated with the funnel 1 through a flange plate 4. Connecting rod 3 is connected fixedly with cartridge filter 2 lateral wall, and connecting rod 3 passes through the screw or the viscose agent is connected fixedly with funnel 1.

The closing plate at cartridge filter 2 both ends passes through bolted connection with cartridge filter 2 fixedly, and motor 23 installs on the closing plate outer wall of cartridge filter 2 one end, and the one end of stirring rake 22 is passed the closing plate and is connected fixedly with motor 23.

The feed inlet at the top of the feed hopper 5 is communicated with a screw feeder.

Example 2

Based on embodiment 1, from bottom to top, the size of the funnel 1 and the size of the filter cartridge 2 are gradually reduced.

The more the sieve powder structure quantity of installation, the more insecure the whole device installation, if the whole device is heavier the more upward, the bottom can not support the weight above, and the whole screening device is easy to topple or swing, therefore, the size of the funnel and the filter cylinder above the device is smaller than that below the device, which is beneficial to reducing the weight above and maintaining the balance of the whole device; the size of funnel and cartridge filter reduces, the change of the inlet pipe size correspondence with the funnel intercommunication.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The mineral powder multistage screening device is characterized by comprising a plurality of powder screening structures which are sequentially connected from bottom to top, wherein each powder screening structure comprises a vertically placed funnel (1) and a filter cylinder (2) installed inside the funnel (1), the filter cylinders (2) are horizontally installed inside the funnel (1), the filter cylinders (2) are detachably connected with the funnel (1) through at least two connecting rods (3) which are uniformly distributed on two sides of each filter cylinder (2), two ends of each filter cylinder (2) are respectively sealed by sealing plates, the side wall of each filter cylinder (2) is a filter screen, a feeding pipe (21) is installed at the top of each filter cylinder (2), coaxial stirring paddles (22) are installed inside each filter cylinder (2), and a motor (23) for driving each stirring paddle (22) is installed on one outer end face of each filter cylinder (2); the feeding pipe (21) of the powder sieving structure positioned below the two adjacent powder sieving structures is communicated with the lower end of the funnel (1) of the powder sieving structure positioned above the feeding pipe; from bottom to top, the aperture of the filter hole of the filter cartridge (2) is gradually increased; the feeding pipe (21) in the uppermost powder sieving structure is communicated with a feeding hopper (5).

2. The multistage mineral powder screening device according to claim 1, characterized in that the adjacent feed pipes (21) are communicated with the hopper (1) through flanges (4).

3. The multistage ore powder screening installation according to claim 1, wherein the size of the hopper (1) and the size of the filter cartridge (2) are gradually reduced from bottom to top.

4. The mineral powder multistage screening device according to claim 1, wherein the connecting rod (3) is fixedly connected to the side wall of the filter cylinder (2), and the connecting rod (3) is fixedly connected to the hopper (1) by screws or adhesive.

5. The mineral powder multistage screening device according to claim 1, wherein the sealing plates at the two ends of the filter cylinder (2) are fixedly connected with the filter cylinder (2) through screws, the motor (23) is installed on the outer wall of the sealing plate at one end of the filter cylinder (2), and one end of the stirring paddle (22) passes through the sealing plate and is fixedly connected with the motor (23).

6. The multistage mineral powder screening device according to claim 1, wherein a feed inlet at the top of the feed hopper (5) is communicated with a screw feeder.