CN112452751A

CN112452751A - Powder concentrator for mine

Info

Publication number: CN112452751A
Application number: CN202011234466.XA
Authority: CN
Inventors: 刘远力; 王虎龙; 黄亚飞; 贺兰湘; 凌英
Original assignee: Zhuzhou Tianqiao Shunchen Coal Preparation Machinery Co ltd
Current assignee: Zhuzhou Tianqiao Shunchen Coal Preparation Machinery Co ltd
Priority date: 2020-11-07
Filing date: 2020-11-07
Publication date: 2021-03-09

Abstract

The invention relates to a powder concentrator for a mine, which belongs to the technical field of mining equipment and comprises an outer shell, wherein a fine powder discharge pipe is fixedly arranged at the bottom of the outer shell, a support column fixedly connected with the outer shell is arranged on the outer side of the fine powder discharge pipe, an inner shell is sleeved in the outer shell, a coarse powder discharge pipe is fixedly arranged at the bottom of the inner shell, the coarse powder discharge pipe penetrates through the bottom of the outer shell and extends to the outside, a sorting mechanism rotatably connected with the inner shell is arranged in the inner shell, the upper end of the sorting mechanism penetrates through the outer shell and extends to the outside, a driving mechanism for driving the sorting mechanism to rotate is fixedly arranged on the side surface; the invention not only prolongs the sorting path and improves the sorting effect, but also synchronously drives the auger to work to realize continuous feeding, and realizes thorough separation under the cooperation of centrifugal separation, thereby improving the powder sorting efficiency and being more efficient and practical.

Description

Powder concentrator for mine

Technical Field

The invention relates to the technical field of mining equipment, in particular to a powder concentrator for a mine.

Background

A mine refers to an independent production and operation unit for mining ores in a certain mining boundary. The mine mainly comprises one or more mining workshops (or pittings, mines, open stopes and the like) and auxiliary workshops, and most mines also comprise a beneficiation plant (coal washing plant). The mine comprises coal mine, metal mine, non-metal mine, building material mine, chemical mine and the like. According to different stope management methods in the ore stoping process, non-coal-well industrial and mining methods can be divided into the following steps: the open stope mining method, the caving mining method and the filling mining method can be used for mining according to specific conditions, but the support of mining equipment cannot be removed in any mining method.

The mining equipment comprises mechanical equipment used for directly mining useful minerals and mining preparation work, mainly comprising mining machines for mining metal ores and non-metal ores; coal mining machinery for mining coal; oil drilling and production machines for producing oil, and the like. After the ore is crushed into powdery materials, the materials with different particle sizes need to be refined and sieved, and classified and stored according to the grade of the materials, so that a corresponding powder concentrator needs to be used.

Present selection powder machine mainly selects separately through the filter screen cooperation, and when the vertical setting of filter screen, powder contact filter screen time is shorter, hardly selects out, and during the horizontal installation, the long-time contact leads to the powder accumulation easily, therefore has influenced selection powder efficiency, so need optimize it.

Disclosure of Invention

The invention aims to provide a powder concentrator for mines, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a selection powder machine for mine, includes the shell body, shell body bottom fixed mounting has the fine powder discharging pipe, the support column with shell body fixed connection is installed in the fine powder discharging pipe outside, the shell body endotheca is equipped with interior casing, interior casing bottom fixed mounting has the coarse powder discharging pipe, the coarse powder discharging pipe runs through shell body bottom and extends to the outside, install the sorting mechanism who is connected rather than rotating in the interior casing, the sorting mechanism upper end runs through the shell body and extends to the outside, shell body side fixed mounting has and is used for driving sorting mechanism pivoted actuating mechanism, shell body upper end fixed mounting has the inlet pipe, the inlet pipe lower extreme extends to in the interior casing.

As a further technical scheme of the invention: sorting mechanism includes hollow rotating shaft, hollow rotating shaft outside fixed mounting has the nozzle rather than being linked together, helical blade is installed in the nozzle outside, helical blade cover is established outside and rather than fixed connection at hollow rotating shaft, hollow rotating shaft upper end links to each other with air feeder through the trachea, interior casing includes the cartridge filter, cartridge filter upper end and shell body inner wall fixed connection, the cartridge filter inner wall cooperatees with helical blade.

As a further technical scheme of the invention: a first bearing is fixedly installed in the outer shell, and the first bearing is sleeved outside the hollow rotating shaft and is rotatably connected with the hollow rotating shaft.

As a further technical scheme of the invention: the filter cartridge bottom fixed mounting has the dead lever, fixed mounting has the second bearing in the dead lever, the second bearing cover is established in the hollow pivot bottom outside and is connected rather than rotating.

As a further technical scheme of the invention: the driving mechanism comprises a driving motor, the driving motor is fixedly installed on the outer side of the top of the outer shell, a driving shaft is fixedly installed at the output end of the upper end of the driving motor, and the driving shaft is connected with the hollow rotating shaft through a synchronous belt.

As a further technical scheme of the invention: synchronous wheels matched with the synchronous belts are installed at two ends of each synchronous belt, and the two synchronous wheels are respectively sleeved outside the driving shaft and the hollow rotating shaft and fixedly connected with the driving shaft and the hollow rotating shaft.

As a further technical scheme of the invention: the packing auger is installed in the feed pipe and is rotationally connected with the feed pipe, and the bottom of the packing auger is connected with the hollow rotating shaft through a transmission belt.

As a further technical scheme of the invention: and the two ends of the transmission belt are respectively provided with a transmission wheel matched with the transmission belt, and the two transmission wheels are respectively sleeved outside the hollow rotating shaft and the auger and fixedly connected with the hollow rotating shaft and the auger.

As a further technical scheme of the invention: the coarse powder discharging pipe comprises a material receiving hopper and a spiral barrel, the material receiving hopper is fixedly installed at the bottom of the filtering barrel, the spiral barrel is fixedly connected with the bottom of the material receiving hopper through a material receiving pipe, a plurality of sorting holes are formed in the surface of the spiral barrel, a discharging pipe communicated with the spiral barrel is fixedly installed at the bottom of the spiral barrel, and the lower end of the discharging pipe penetrates through the outer shell and is fixedly connected with the outer shell.

Compared with the prior art, the invention has the beneficial effects that: starting a driving motor, driving the driving motor to drive a driving shaft to rotate, further driving a hollow rotating shaft to rotate through a synchronous belt and two synchronous wheels, driving a packing auger to rotate through a rotating belt and two driving wheels, continuously feeding the mixed material in a feeding pipe into a filter cylinder, slowly dropping the mixed material to the bottom under the rotation of a spiral blade along with the rotation of the hollow rotating shaft, blowing fine powder out of the filter cylinder along with the matching of a spray head and the spiral blade in the dropping process, remaining coarse powder in the filter cylinder and finally dropping into a coarse powder discharging pipe, throwing the possibly residual fine powder out of a separation hole when passing through the spiral cylinder, finally discharging the residual coarse powder from a discharging pipe, discharging all the fine powder from a fine powder discharging pipe after mixing, realizing powder selection, prolonging the separation path, improving the separation effect, and realizing continuous feeding by synchronously driving the packing auger, in addition, under the action of centrifugal separation, complete separation is realized, the powder separation efficiency is improved, and the method is more efficient and practical.

Drawings

FIG. 1 is a front sectional view of a powder concentrator for use in a mine;

FIG. 2 is a schematic structural diagram of an inner shell in the powder concentrator for mines;

FIG. 3 is a front sectional view of an inner casing of the powder concentrator for mines;

fig. 4 is a front sectional view of a coarse powder discharge pipe of the powder concentrator for use in mines.

In the figure: 1-outer shell, 2-inner shell, 3-support column, 4-fine powder discharge pipe, 5-coarse powder discharge pipe, 6-sorting mechanism, 7-feed pipe, 8-drive shaft, 9-drive motor, 10-filter cartridge, 11-fixed rod, 12-hollow rotating shaft, 13-nozzle, 14-first bearing, 15-synchronous belt, 16-auger, 17-transmission belt, 18-helical blade, 19-second bearing, 20-receiving hopper, 21-helical cylinder, 22-receiving pipe, 23-discharging pipe and 24-sorting hole.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Example 1

As shown in fig. 1, 2, 3, the powder concentrator for mine comprises an outer shell 1, wherein a fine powder discharging pipe 4 is fixedly mounted at the bottom of the outer shell 1, a supporting column 3 fixedly connected with the outer shell 1 is mounted at the outer side of the fine powder discharging pipe 4, an inner shell 2 is arranged in the outer shell 1, a coarse powder discharging pipe 5 is fixedly mounted at the bottom of the inner shell 2, the coarse powder discharging pipe 5 penetrates through the bottom of the outer shell 1 and extends to the outside, namely, the coarse powder discharging pipe 5 is matched with the outer shell 1 through the inner shell 2 and matched with the fine powder discharging pipe 4 through the coarse powder discharging pipe 5, so that the coarse powder concentration of ore is realized, in order to conveniently clean the ore after powder concentration, the bottom of the outer shell 1 is of a conical structure, thereby avoiding fine powder from being accumulated and being discharged thoroughly, meanwhile, the coarse powder discharging, the operation is convenient and the working efficiency is improved; in order to conveniently select powder, install the sorting mechanism 6 rather than rotating the connection in the interior casing 2, sorting mechanism 6 upper end runs through shell body 1 and extends to the outside, rotates the sorting mechanism 6 of connection promptly through setting up and selects powder, specifically does, sorting mechanism 6 includes hollow rotating shaft 12, hollow rotating shaft 12 outside fixed mounting has the nozzle 13 rather than being linked together, helical blade 18 is installed to the nozzle 13 outside, helical blade 18 cover is established outside hollow rotating shaft 12 and rather than fixed connection, hollow rotating shaft 12 upper end links to each other with air feeder through the trachea, interior casing 2 includes cartridge filter 10, cartridge filter 10 upper end and shell body 1 inner wall fixed connection, cartridge filter 10 inner wall and helical blade 18 cooperate, during operation promptly, hollow rotating shaft 12 takes nozzle 13 and helical blade 18 to rotate, and the direction of rotation is helical blade 18 upwards carries the material, in addition, the nozzle 13 is preferably arranged in a spiral shape, so that the nozzle is matched with the spiral blade 18 to better blow up the materials, so that the materials are more thoroughly separated, and the separation effect is improved; the ore sorting device is characterized in that a driving mechanism for driving the sorting mechanism 6 to rotate is fixedly mounted on the side face of the outer shell 1, namely the sorting mechanism 6 is driven by the driving mechanism to sort entering ores, specifically, the driving mechanism comprises a driving motor 9, the driving motor 9 is fixedly mounted on the outer side of the top of the outer shell 1, a driving shaft 8 is fixedly mounted at the output end of the upper end of the driving motor 9, the driving shaft 8 is connected with a hollow rotating shaft 12 through a synchronous belt 15, namely, the driving motor 9 is matched with the synchronous belt 15 through the driving shaft 8 at the upper end of the driving motor to drive the hollow rotating shaft 12 to stably rotate, so that the spiral blade 18 is driven, and is matched with the filter cartridge 10 under the rotation of the spiral blade 18, and fine powder is thoroughly separated from the side; for conveniently adding the ore material, shell body 1 upper end fixed mounting has inlet pipe 7, inlet pipe 7 lower extreme extends to interior casing 2 in, the ore material after adding directly gets into cartridge filter 10 inside promptly to realize sorting under helical blade 18's drive.

Further, for improving the rotational stability of hollow rotating shaft 12, fixed mounting has first bearing 14 in the shell body 1, first bearing 14 cover is established at hollow rotating shaft 12 outside and is connected rather than rotating, cartridge filter 10 bottom fixed mounting has dead lever 11, fixed mounting has second bearing 19 in the dead lever 11, second bearing 19 cover is established in the hollow rotating shaft 12 bottom outside and is connected rather than rotating, improves the stability of hollow rotating shaft 12 through setting up first bearing 14 and the cooperation of second bearing 19 promptly, and then guarantees the stability when selecting separately.

Further, in order to ensure that the hollow rotating shaft 12 can synchronously rotate along with the driving shaft 8, synchronizing wheels matched with the synchronizing wheels are arranged at two ends of the synchronizing belt 15, the two synchronizing wheels are respectively sleeved outside the driving shaft 8 and the hollow rotating shaft 12 and fixedly connected with the driving shaft, namely, the driving shaft 8 is driven by the driving motor 9 to rotate and drive a first synchronizing wheel outside the driving motor to rotate, the first synchronizing wheel drives a second synchronizing wheel to synchronously rotate through the synchronizing belt 15, and the second synchronizing wheel is fixedly sleeved outside the hollow rotating shaft 12, so that the hollow rotating shaft 12 is driven to synchronously rotate.

Further, install in the inlet pipe 7 rather than rotate the auger 16 of being connected, for guaranteeing pivoted stability, can be at

outer casing

1 or 7 bottom fixed mounting support frames of inlet pipe, and then pass through the bearing with 16 bottoms of auger and support frame and be connected to guarantee auger 16's stability of rotation, auger 16 bottom is passed through drive belt 17 and is linked to each other with hollow rotating shaft 12. Specifically, the two ends of the transmission belt 17 are both provided with transmission wheels matched with the transmission wheels, the two transmission wheels are respectively sleeved outside the hollow rotating shaft 12 and the auger 16 and fixedly connected with the hollow rotating shaft and the auger 16, namely, when the hollow rotating shaft 12 rotates along with the driving shaft 8, the auger 16 and the transmission wheels outside the hollow rotating shaft are driven to synchronously rotate by matching of the transmission wheels outside the hollow rotating shaft and the transmission belt 17, so that the auger 16 is synchronously rotated, continuous feeding in work is realized, continuity of powder selecting work is ensured, and the practicability is good.

Example 2

The present embodiment is further optimized based on embodiment 1, as shown in fig. 4, the coarse powder discharging pipe 5 includes a receiving hopper 20 and a spiral cylinder 21, the receiving hopper 20 is fixedly installed at the bottom of the filter cartridge 10, the spiral cylinder 21 is fixedly connected to the bottom of the receiving hopper 20 through a receiving pipe 22, that is, the unselected coarse powder falls into the bottom of the filter cartridge 10 and is collected by the receiving hopper 10 and sent into the spiral cylinder 21 from the receiving pipe 22; the surface of the spiral cylinder 21 is provided with a plurality of sorting holes 24, namely, the materials passing through the spiral cylinder 21 are thrown out of the residual fine powder possibly remained under the action of centrifugal force, so that the thorough separation is realized; the bottom of the spiral cylinder 21 is fixedly provided with a discharging pipe 23 communicated with the spiral cylinder, the lower end of the discharging pipe 23 penetrates through the outer shell 1 and is fixedly connected with the outer shell, namely, coarse powder after further separation through the spiral cylinder 21 is discharged through the discharging pipe 23, and powder selection is realized.

The working principle is as follows: before working, checking whether the powder concentrator is normal, connecting the hollow rotating shaft 12 with a gas supply device, simultaneously connecting the incoming pipe 7 with a storage device, and then starting the driving motor 9; the driving motor 9 drives the driving shaft 8 to rotate, and then drives the hollow rotating shaft 12 to rotate through the synchronous belt 15 and two synchronous wheels, the hollow rotating shaft 12 drives the auger 16 to rotate through the rotating belt 17 and two driving wheels, the mixed material in the feeding pipe 7 is continuously fed into the filter cylinder 10, at the moment, the mixed material slowly falls to the bottom under the rotation of the helical blade 18 along with the rotation of the hollow rotating shaft 12, fine powder is blown out to the outside of the filter cylinder 10 along with the matching of the spray head 13 and the helical blade 18 in the falling process, coarse powder is remained in the filter cylinder 10 and finally falls into the coarse powder discharging pipe 5, and when passing through the helical cylinder 21, the possibly remained fine powder is thrown out from the sorting hole 24, the remained coarse powder is finally discharged from the discharging pipe 23, all fine powder is discharged from the discharging pipe fine powder 4 after being mixed, the powder selecting work is realized, the sorting path is prolonged, and the sorting effect is improved, moreover, the auger 16 is synchronously driven to work to realize continuous feeding, and complete separation is realized under the cooperation of centrifugal separation, so that the powder separation efficiency is improved, and the powder separation device is more efficient and practical.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a selection powder machine for mine, includes shell body (1), shell body (1) bottom fixed mounting has fine powder discharging pipe (4), support column (3) with shell body (1) fixed connection, its characterized in that are installed in fine powder discharging pipe (4) outside: casing (2) are equipped with to shell body (1) endotheca, interior casing (2) bottom fixed mounting has middlings discharging pipe (5), middlings discharging pipe (5) run through shell body (1) bottom and extend to the outside, install in interior casing (2) and rotate sorting mechanism (6) of being connected rather than, sorting mechanism (6) upper end runs through shell body (1) and extends to the outside, shell body (1) side fixed mounting has and is used for driving sorting mechanism (6) pivoted actuating mechanism, shell body (1) upper end fixed mounting has inlet pipe (7), inlet pipe (7) lower extreme extends to in interior casing (2).

2. The powder concentrator for mines according to claim 1, characterized in that: sorting mechanism (6) are including hollow rotating shaft (12), hollow rotating shaft (12) outside fixed mounting has nozzle (13) rather than being linked together, helical blade (18) are installed in nozzle (13) outside, helical blade (18) cover is established at hollow rotating shaft (12) outside and rather than fixed connection, hollow rotating shaft (12) upper end links to each other with air feeder through the trachea, interior casing (2) are including cartridge filter (10), cartridge filter (10) upper end and shell body (1) inner wall fixed connection, cartridge filter (10) inner wall cooperatees with helical blade (18).

3. The powder concentrator for mines according to claim 2, characterized in that: a first bearing (14) is fixedly installed in the outer shell (1), and the first bearing (14) is sleeved outside the hollow rotating shaft (12) and is in rotating connection with the hollow rotating shaft.

4. The powder concentrator for mines according to claim 3, characterized in that: the filter cartridge is characterized in that a fixing rod (11) is fixedly mounted at the bottom of the filter cartridge (10), a second bearing (19) is fixedly mounted in the fixing rod (11), and the second bearing (19) is sleeved at the outer side of the bottom of the hollow rotating shaft (12) and is rotatably connected with the hollow rotating shaft.

5. The powder concentrator for mines according to claim 2, characterized in that: the driving mechanism comprises a driving motor (9), the driving motor (9) is fixedly installed on the outer side of the top of the outer shell (1), a driving shaft (8) is fixedly installed at the output end of the upper end of the driving motor (9), and the driving shaft (8) is connected with the hollow rotating shaft (12) through a synchronous belt (15).

6. The powder concentrator for mines according to claim 5, characterized in that: synchronous pulley rather than matched with is all installed at hold-in range (15) both ends, two the synchronous pulley overlaps respectively and establishes in drive shaft (8) and hollow rotating shaft (12) outside and rather than fixed connection.

7. The powder concentrator for mines according to claim 2, characterized in that: install in inlet pipe (7) and rotate auger (16) of being connected rather than, auger (16) bottom is passed through drive belt (17) and is linked to each other with hollow pivot (12).

8. The powder concentrator for mines according to claim 7, characterized in that: and the two ends of the transmission belt (17) are respectively provided with a transmission wheel matched with the transmission belt, and the two transmission wheels are respectively sleeved outside the hollow rotating shaft (12) and the packing auger (16) and are fixedly connected with the hollow rotating shaft and the packing auger.

9. The powder concentrator for mines according to claim 1, characterized in that: coarse powder discharging pipe (5) is including connecing hopper (20) and spiral shell (21), connect hopper (20) fixed mounting in cartridge filter (10) bottom, spiral shell (21) through connecing material pipe (22) and connecing hopper (20) bottom fixed connection, a plurality of separation holes (24) have been seted up on spiral shell (21) surface, spiral shell (21) bottom fixed mounting has blowing pipe (23) rather than being linked together, blowing pipe (23) lower extreme runs through shell body (1) and rather than fixed connection.