CN211726003U

CN211726003U - Dustproof rod mill

Info

Publication number: CN211726003U
Application number: CN201922041788.1U
Authority: CN
Inventors: 罗怀征; 梁维典; 林福源; 韦伟; 唐咸萍; 黄忠保; 罗德志; 江城; 程尤远
Original assignee: GUANGXI HUAYIN ALUMINIUM CO Ltd
Current assignee: GUANGXI HUAYIN ALUMINIUM CO Ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-10-23
Anticipated expiration: 2029-11-22

Abstract

The utility model relates to a dust-raising-proof rod mill, which belongs to the technical field of rod mills and comprises a base, a cylinder body and a driving motor, the cylinder body is rotatably arranged on the base, the driving motor is fixed on the base and drives the cylinder body to rotate, one end of the cylinder body is provided with a feed inlet which is connected with a feeding device, the feeding device comprises a feeding pipe, one end of the feeding pipe extends into the cylinder body, the other end of the feeding pipe is arranged outside the cylinder body and is provided with a feeding port, the feeding device also comprises a first drenching mother liquor pipe and a first water sealing plate, the first drenching mother liquor pipe is fixedly arranged above the feeding port, the first water sealing plate is arranged below the first drenching mother liquor pipe, and the mother liquor ejected from the first drenching mother liquor pipe impacts the first water sealing plate to form a first water seal; the utility model discloses a rod mill's dustproof effect is good, can keep the dustproof effect of preferred for a long time.

Description

Dustproof rod mill

Technical Field

The utility model relates to a rod mill technical field, concretely relates to dustproof rod mill.

Background

The rod mill is a key device for crushing mineral materials, is widely applied to the non-ferrous metal ore dressing industry, and is used for dry or wet grinding of various ores and other grindable materials. The grinding of the ore by the rod mill can be divided into a dry grinding mode and a wet grinding mode, wherein the wet grinding mode is used in a raw material workshop of an alumina plant, and the mother liquor is introduced into the rod mill while the lime and the aluminum ore are put into the rod mill together, so that the ore pulp is obtained finally. However, in the prior art, after lime and ore enter the feed opening of the rod mill, lime dust is subjected to the action of hot steam in the rod mill, and the lime dust floats outwards along with the hot steam to generate raise dust which falls to the four places of a factory building, so that the environment of a production site becomes poor, and the leakage-free related work is difficult to keep. Workshops try to add a dustproof cover to a feeding port and use water mist for sealing, but the effect is not ideal.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a prevent raise dust rod mill solves the problem of current rod mill raise dust.

The utility model discloses a realize through following technical scheme: the utility model provides a dustproof rod mill, includes base, barrel and driving motor, the barrel rotate install in on the base, driving motor is fixed in on the base, driving motor transmission is connected the barrel and drive the barrel rotates, the one end of barrel is equipped with the feed inlet, the feed inlet is connected with feed arrangement, feed arrangement includes the dog-house, the one end of dog-house stretches into in the barrel, the other end of dog-house is located outside the barrel and be equipped with the dog-house, feed arrangement still includes first drenching mother liquor pipe and first water shrouding, first drenching mother liquor pipe is fixed to be located the top of dog-house, first water shrouding is located first drenching the below of mother liquor pipe, the first mother liquor striking that drenches mother liquor pipe jets out is in form first water seal on the first water shrouding.

Further, feed arrangement still includes blast pipe and second and washes and drench the mother liquor pipe, the blast pipe is located the top of batch feed pipe and communicate batch feed pipe, the second is washed and is drenched the mother liquor pipe and be fixed in the lateral wall of blast pipe and intercommunication the blast pipe, the second is washed and is drenched the below of mother liquor pipe and be equipped with second water shrouding, second water shrouding is fixed in on the inner wall of blast pipe, the second is washed and is drenched the mother liquor striking that the mother liquor pipe jetted out and be in form the second water seal on the second water shrouding.

Further, feed arrangement still includes water pump and mother liquor case, water pump and mother liquor case all are fixed in on the base, the mouth intercommunication that draws water of water pump the mother liquor case, the second drenches the mother liquor pipe and keeps away from the one end of blast pipe and the one end that first drenches the mother liquor pipe and keep away from the batch charging pipe are connected respectively the outlet of water pump.

Further, the one end that the blast pipe kept away from throw the material pipe is connected with the air exhauster, the air exhauster is connected with the trachea, the trachea is kept away from the one end of air exhauster stretches into the bottom of mother liquor case, the upper portion of mother liquor case is equipped with the exhaust hole.

Further, the second drenches the mother liquor pipe and is equipped with many, second water shrouding is equipped with the polylith, many the second drenches mother liquor pipe and polylith the second water shrouding one-to-one, many the second drenches the mother liquor pipe and follows the crisscross both sides that are fixed in of axial direction of blast pipe. The plurality of second showering mother liquor pipes are arranged in a staggered mode along the axial direction of the exhaust pipe, a plurality of second water seals with different heights can be formed, the extending directions of the two adjacent second water seals are opposite, and a water seal without a leakage hole can be formed in the exhaust pipe.

Furthermore, a filter screen is arranged between the two second water sealing plates close to the exhaust fan, and the edge of the filter screen is fixed on the inner wall of the exhaust pipe. The filter screen can filter the dust through the water seal to the filter screen is located between the water seal of the highest two places that form, and the water seal of these two places is washed the filter screen from two upper and lower directions respectively, can keep the filter screen clean for a long time, has avoided the filter screen long-term later to be blockked up by the dust and influence carminative condition appearance.

Due to the adoption of the technical scheme, the utility model discloses the beneficial effect who gains does:

1. the utility model discloses a rod mill's feed arrangement includes that first drenches mother liquor pipe and first water seal board, first water seal board is located first below of drenching the mother liquor pipe, first drenching the mother liquor striking that the mother liquor pipe jetted out and forming first water seal on first water seal board, first water seal covers the dog-house, be blockked when the dust that wafts toward the dog-house outside along with steam in the barrel reachs first water seal, the dust is washed down by first water seal, along with the mother liquor of first water seal flows into in the barrel again, the dust has been avoided discharging from the dog-house, simultaneously the water of first water seal falls into behind the dog-house end's the feed pipe, can drive the lime and the ore of throwing feed port department along the feed pipe flow in the barrel, avoided throw feed port department dust and ore to condense into the scar, and the mother liquor meter that forms first water seal goes into the total mother liquor volume of excellent, do not influence the control of grinding internal liquid solid-to-ratio. The utility model discloses a rod mill's dustproof effect is good, can keep the dustproof effect of preferred for a long time.

2. The water pump is gone into the second with the mother liquor pump of mother liquor incasement and is drenched mother liquor pipe and first drenches mother liquor pipe, the mother liquor striking that sprays in the mother liquor pipe is drenched from the second is on second water seal board, form the second water seal, prevent that the dust from discharging from the blast pipe, and the air exhauster is bled to the blast pipe, form a negative pressure to draw the dog-house, make the hot steam in the rod mill can't discharge from the dog-house, and will throw in the dust of dog-house department inhales the feed pipe, the air exhauster takes out the hot steam in the rod mill from the blast pipe, then let in the mother liquor case and further filter, the gas of gas is clean gas in the last mother liquor case of following, the dust is filtered completely when passing through second water seal and mother liquor case.

Drawings

Fig. 1 is a schematic structural view of a dust-proof rod mill of the present invention;

FIG. 2 is a schematic cross-sectional view of the feeding tube and the exhaust tube of the present invention;

the device comprises a base 1, a barrel 2, a driving motor 3, a feeding pipe 4, a first spraying mother liquor pipe 5, a first water sealing plate 6, an exhaust pipe 7, a second spraying mother liquor pipe 8, an exhaust fan 9, a water pump 10, a mother liquor box 11, an exhaust hole 12, an air pipe 13, a second water sealing plate 14, a feeding port 15 and a filter screen 16.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and examples.

Referring to fig. 1, a dust-proof rod mill includes a base 1, a cylinder 2 and a driving motor 3. The base 1 comprises a bottom plate and two supporting frames, the upper surfaces of the bottom plate are fixed on the two supporting frames in parallel, the upper ends of the two supporting frames are respectively provided with a downward concave lower half slot, the central axes of the two lower half slots are the same, the upper parts of the two lower half slots are respectively provided with a fastening block, the fastening block is fixed at the upper ends of the supporting frames through bolts, the lower surface of the fastening block is provided with an upward concave upper half slot, the upper half slot and the lower half slot form a bearing mounting hole, and during installation, the bottom plate is fixed on the concrete ground of a factory building through pre-buried bolts and nuts. The two ends of the barrel body 2 are rotatably installed in bearing installation holes in the upper ends of the two support frames through bearings respectively, a feed port is formed in one end of the barrel body 2, a discharge port is formed in the lower portion of the other end of the barrel body 2, and the feed port is connected with a feeding device. The bottom plate is provided with a boss, the driving motor 3 is fixed on the boss, and the driving motor 3 is in transmission connection with the barrel 2 and drives the barrel 2 to rotate.

Please refer to fig. 1 and 2, the feeding device includes a feeding pipe 4, an exhaust pipe 7, an exhaust fan 9, a plurality of second drenched mother liquor pipes 8, a first drenched mother liquor pipe 5, a water pump 10 and a mother liquor box 11, one end of the feeding pipe 4 extends into the barrel 2, the other end of the feeding pipe 4 is arranged outside the barrel 2 and is provided with a feeding port 15, the feeding port 15 is arranged towards the barrel 2 in an inclined manner, the upper end of the feeding port 15 is closer to the barrel 2 than the lower end of the feeding port 15, feeding is facilitated, the feeding pipe 4 is arranged in an inclined manner, one end of the feeding pipe 4, which is positioned outside the barrel 2, is higher than one end of the feeding pipe 4, which is positioned inside the barrel 2, so that raw materials fall into the barrel 2. First drench mother liquor pipe 5 and be fixed in the top of dog-house 15 through branch, first drench mother liquor pipe 5's below is equipped with first water sealing board 6, and first water sealing board 6 is fixed in dog-house 15 department of dog-

house

4, and 6 levels of first water sealing board set up, and the mother liquor striking that first drench mother liquor pipe 5 jetted out forms first water seal on first water sealing board 6. Blast pipe 7 locates the top of dog-house 4, the lower extreme intercommunication dog-house 4 of blast pipe 7, the lateral wall of blast pipe 7 is equipped with a plurality of water jets, a plurality of water jets and many second wash and drench mother liquor pipe 8 one-to-one, every water jet is connected a second and is washed and drench mother liquor pipe 8, a plurality of water jets set up in the both sides of blast pipe 7 along the crisscross setting of the axial direction of blast pipe 7, the inner wall of blast pipe 7 is fixed in the below of every water jet and is equipped with a second water seal board 14, second water seal board 14 level sets up, the one end that the water jet was connected to second wash mother liquor pipe 8 orientation second water seal board 14 one end far away from the inner wall of blast pipe 7, the second washes and drenches the mother liquor striking that mother liquor pipe 8 jetted out and forms the second water. The water pump 10 and the mother liquor tank 11 are both fixed on the base 1, mother liquor is filled in the mother liquor tank 11, the upper portion of the mother liquor tank 11 is provided with an exhaust hole 12, the second spraying mother liquor pipe 8 and the first spraying mother liquor pipe 5 are respectively connected with a water outlet of the water pump 10, and a water pumping port of the water pump 10 is communicated with the bottom of the mother liquor tank 11. The exhaust fan 9 is arranged at one end of the exhaust pipe 7 far away from the feeding pipe 4, the exhaust fan 9 is connected with an air pipe 13, and one end of the air pipe 13 far away from the exhaust fan 9 extends into the bottom of the mother liquid tank 11.

A filter screen 16 is arranged between the two second water closing plates 14 close to the exhaust fan 9, and the edge of the filter screen 16 is fixed on the inner wall of the exhaust pipe 7. The filter screen 16 can filter the dust through the water seal to filter screen 16 locates between the water seal of two places nearest to air exhauster 9, and the water seal of these two places washes filter screen 16 from two upper and lower directions respectively, can keep filter screen 16 clean for a long time, has avoided filter screen 16 long-term after to be blockked up by the dust and influence carminative condition to appear.

The upper part of the mother liquor box 11 is also provided with a liquor inlet which is connected with a mother liquor storage tank in a factory through a pipeline, and the total liquor amount of the mother liquor entering the rod is counted by the mother liquor used by the second showering mother liquor pipe 8 and the first showering mother liquor pipe 5, so that the control of the liquid-solid ratio in the rod mill is not influenced.

The utility model discloses a second is washed and is drenched mother liquor pipe 8 and the water seal that second water seal board 14 formed can be fine will be along with the dust filtration that hot steam raised, gas is once filtered by moist filter screen 16 once more when filter screen 16, moist filter screen 16 can bond the dust in the gas, then wash and drench mother liquor 8 spun mother liquor by the second and wash and fall, last gas is in the mother liquor that lets in mother liquor case 11, be filtered once more, obtain clean dustless gas through triple filtration, arrange in the air from the gas vent. Use the dust cover to prevent the raise dust among the prior art, the dust piles up on the dust cover and causes the dust cover to block up very easily to the granule is less than the dust that filters the hole and can be smooth through the dust cover, so the dustproof effect of this application is more outstanding than the effect of using the dust cover. When the water smoke among the prior art is sealed when hot steam takes the dust to raise, partly dust and water smoke can be by the exhaust air, and the clearance is great between the shower nozzle spun water smoke, and the dust also drifts out in the clearance between the water smoke easily, so the dustproof effect of this application is more outstanding than the effect of using the water smoke to seal.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims

1. The utility model provides a dustproof rod mill, includes base, barrel and driving motor, the barrel rotate install in on the base, driving motor is fixed in on the base, driving motor transmission is connected the barrel and drive the barrel rotates, the one end of barrel is equipped with the feed inlet, the feed inlet is connected with feed arrangement, feed arrangement includes the feeding pipe, the one end of feeding pipe stretches into in the barrel, the other end of feeding pipe is located outside the barrel and be equipped with dog-house, its characterized in that: the feeding device further comprises a first spraying mother liquor pipe and a first water sealing plate, the first spraying mother liquor pipe is fixedly arranged above the feeding port, the first water sealing plate is arranged below the first spraying mother liquor pipe, and the mother liquor ejected by the first spraying mother liquor pipe collides with the first water sealing plate to form a first water seal.

2. A dust-raising prevention rod mill according to claim 1, characterized in that: feed arrangement still includes blast pipe and second and washes and drench the mother liquor pipe, the blast pipe is located the top of batch feed pipe and feed through batch feed pipe, the second is washed and is drenched the mother liquor pipe and be fixed in the lateral wall and the intercommunication of blast pipe the blast pipe, the second is washed and is drenched the below of mother liquor pipe and be equipped with second water shrouding, second water shrouding is fixed in on the inner wall of blast pipe, the second is washed and is drenched the mother liquor striking that the mother liquor pipe jetted out and be in form the second water seal on the second water shrouding.

3. A dust-raising prevention rod mill according to claim 2, characterized in that: the feeding device further comprises a water pump and a mother liquid box, the water pump and the mother liquid box are fixed on the base, a water pumping port of the water pump is communicated with the mother liquid box, the second shower mother liquid pipe is far away from one end of the exhaust pipe and one end of the first shower mother liquid pipe is far away from the feeding pipe are respectively connected with a water outlet of the water pump.

4. A dust-raising prevention rod mill according to claim 3, characterized in that: the utility model discloses a mother liquor box, including feeding pipe, blast pipe, air exhauster, mother liquor box, air exhauster, air pipe, exhaust hole, the blast pipe is kept away from the one end of feeding pipe is connected with the air exhauster, the air exhauster is connected with the trachea, the trachea is kept away from the one end of air exhauster stretches into the bottom of mother liquor box, the upper portion of mother liquor box is equipped with.

5. A dust-raising prevention rod mill according to claim 2, characterized in that: the second drenches the mother liquor pipe and is equipped with many, the second water shrouding is equipped with the polylith, many the second drenches mother liquor pipe and polylith the second water shrouding one-to-one, many the second drenches the mother liquor pipe and follows the axial direction of blast pipe is crisscross to be fixed in the both sides of blast pipe.

6. A dust-raising prevention rod mill according to claim 4, characterized in that: and a filter screen is arranged between the two second water sealing plates close to the exhaust fan, and the edge of the filter screen is fixed on the inner wall of the exhaust pipe.