CN219334415U

CN219334415U - Slurry cleaning device of ball mill

Info

Publication number: CN219334415U
Application number: CN202223406647.3U
Authority: CN
Inventors: 周细荣; 吴晓波; 严军; 王芳华
Original assignee: Guizhou Changtaiyuan Energy Saving Building Materials Co ltd
Current assignee: Guizhou Changtaiyuan Energy Saving Building Materials Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-07-14
Anticipated expiration: 2032-12-19

Abstract

The application relates to the technical field of ball mills, and specifically discloses a ball mill pulp cleaning device. The structure of the ball mill comprises a water tank and a cleaning pipe, wherein the installation height of the bottom of the water tank is higher than the highest point of a discharge hole, the water tank is connected with the cleaning pipe positioned above the discharge hole, a plurality of spraying holes capable of spraying water to the discharge hole are formed in the cleaning pipe, a slurry scraping plate tangential to the outer circular surface of the discharge hole is arranged below the spraying holes, the discharge hole of the ball mill is cleaned by the cleaning pipe, the ball mill rotates with the discharge hole, the slurry scraping plate rotates relative to the discharge hole, slurry on the discharge hole is scraped, and the technical problems that in aerated brick production, the residual concrete slurry of the discharge hole of the ball mill is accumulated and agglomerated, and the service life of the ball mill is influenced are solved.

Description

Slurry cleaning device of ball mill

Technical Field

The utility model relates to the technical field of ball mills, in particular to a slurry cleaning device of a ball mill.

Background

In industrial manufacture, a crusher is generally used for crushing materials, if the fineness requirement is high, the crusher cannot meet the requirement, and a general enterprise can grind the materials into small blocks by using a ball mill after the crusher breaks the materials into small blocks, and the ball mill is used for grinding a certain block or granular object into powder. Are used in many industries, such as: mineral separation, chemical industry, construction and other industries.

For example, in the concrete aerated brick industry, a ball mill is a main device for grinding and mixing raw materials in an aerated brick production line, the raw materials for producing the aerated bricks comprise fly ash, coal gangue, lime, gypsum, sand, slag and the like, the materials are required to be ground by the ball mill, the fineness of the materials reaches the requirement for producing the aerated bricks, and meanwhile, the materials can be mutually mixed and acted in the ball mill, so that the strength requirement of the raw materials of an aerated concrete product is met, and therefore, the ball mill is a key device for grinding the raw materials after crushing.

The ball mill comprises a ball milling roller, wherein one end of the ball milling roller is provided with a feed hole, the other end of the ball milling roller is provided with a discharge hole and a rotating motor, the ball milling roller comprises a first chamber communicated with the feed hole and a second chamber communicated with the discharge hole, sieve trays are adopted between the first chamber and the second chamber to separate, a plurality of elliptic grinding balls are arranged in the first chamber, a plurality of round grinding balls are arranged in the second chamber, two cavities are arranged in the roller in the structure, and grinding balls arranged in different cavities are different in size, so that the materials are ground in a rough grinding and fine grinding mode for two times, and grinding efficiency is improved.

However, in the industry of producing aerated bricks, when the ball mill discharges ground and mixed slurry, a collecting tank is arranged below the ball mill, when the slurry is discharged, the slurry cannot be discharged from a pipeline at the bottom of the collecting tank rapidly, the slurry overflows to the periphery, a discharge port of the ball mill rotates, so that the overflowed slurry is brought up under the action of centrifugal force of the discharge port and covers the outer circular surface of the discharge port, the discharge port also can be used for discharging part of slurry which is not timely left, the slurry is piled up, one end of the ball mill can be covered, the slurry is aerated concrete, if the slurry is not timely cleaned, the concrete slurry is dried and then is agglomerated, the agglomeration can affect the rotation of the ball mill, if the agglomeration is too much piled up, the slurry can still be in a bearing seat connected with the discharge port, and the bearing of the ball mill is worn in rotation. The service life of the ball mill is reduced.

Disclosure of Invention

The utility model aims to provide a ball mill slurry cleaning device which is used for solving the technical problems that in the production of aerated bricks, the residual concrete slurry at a discharge port of a ball mill is accumulated and agglomerated, and the service life of the ball mill is influenced.

In order to solve the problems, the technical scheme adopted by the utility model is as follows: the utility model provides a clear thick liquid device of ball mill, includes water tank, wash pipe, its characterized in that: the installation height of the bottom of the water tank is higher than the highest point of the discharge opening of the ball mill, the water tank is connected with a cleaning pipe positioned above the discharge opening of the ball mill, a spray hole capable of spraying water to the discharge opening is formed in the cleaning pipe, and a slurry scraping plate tangential to the outer surface of the discharge opening of the ball mill is arranged below the spray hole.

The beneficial effects of this embodiment lie in:

1. a cleaning pipe is arranged above the discharge hole, a spray opening on the cleaning pipe can spray the discharge hole, the sprayed water flushes the residual slurry on the discharge hole, and the flushed slurry can be mixed with the slurry discharged by the ball mill and conveyed to the next working section.

2. The water tank can be used as the pressure stabilizing device for spraying water, the water pressure change of tap water is unstable, the tap water is input into the water tank to play a role in stabilizing the water pressure, so that the water pressure of a spraying port for continuous spraying is stable, the spraying is more uniform, and the water in the water tank can flow to the cleaning pipe by virtue of gravity because the installation height of the water tank is higher than the highest point of the discharge port, so that the energy is saved.

3. When the ball mill is used, the ball mill can rotate with the discharge hole, the scraping plate tangent to the discharge hole is fixed, the rotary discharge hole and the scraping plate rotate relatively, residual slurry on the discharge hole is scraped, and the scraped slurry can be mixed with slurry discharged by the ball mill and conveyed to the next working section.

Under the combined action of the three, the residual slurry on the discharge port can not be accumulated and agglomerated, the slurry agglomerated on the discharge port is prevented from influencing the rotation of the ball mill, the bearing is worn, and the service life of the ball mill is reduced.

The scraping plate is composed of a fixing part, an adjusting rod, a plate blade rod and a blade plate, wherein the fixing part is connected with the blade plate rod through the adjusting rod, and the adjusting rod is a bendable metal rod. The scraper is divided into a fixing part, a blade bar blade plate and the like and connected by a bendable adjusting rod, so that the position and the angle of tangency between the blade plate and a discharge hole can be adjusted by bending the adjusting rod in use, and the scraper is convenient to operate.

Further, the fixing part is provided with a clamping handle, and a plurality of symmetrical screws capable of propping against the base of the ball mill are arranged on the clamping handle. The fixing part is provided with the clamping handle, so that the clamping handle can be clamped on the base or the bearing seat of the ball mill for fixing, and the screw is screwed to be better abutted, so that the fixing effect of the scraping plate is better.

Further, the inside cylindrical cavity that has of board sword pole, the cavity runs through the sword board pole, and is far away from the one end switch-on water pipe head of adjusting the pole be equipped with a plurality of water spray holes between board sword pole and the sword board, and water spray hole and cavity switch-on. By means of the structural design, the scraping plate can be connected with an external water source, water is sprayed to the blade plate through the water spraying holes of the blade rod, and the scraping plate is cleaned.

Further, the connection point of the cleaning pipe and the water tank is positioned on the side wall of the water tank, and the height difference between the cleaning pipe and the bottom of the water tank is 20-30cm. The cleaning pipe and the water tank have a height difference, and because water in the water tank flows to the cleaning pipe under the action of gravity, impurities in the water tank can be settled at the bottom of the water tank and cannot be left to the cleaning pipe, so that slurry of the ball mill cannot flow into impurity dust.

Further, the distance between the adjacent spraying holes on the cleaning pipe is 0.8-1.5cm.

Drawings

Figure 1 is a schematic view of the mounting position of an embodiment of the utility model on a ball mill,

fig. 2 is a schematic view of a doctor blade structure according to an embodiment of the present utility model.

Detailed Description

The following is a further detailed description of the embodiments:

reference numerals in the drawings of the specification include: ball mill 1, discharge port 2, water tank 3, scraper 4, cleaning tube 5, clamp 401, screw 402, fixing part 403, adjusting rod 404, water pipe connector 405, blade 406, water spraying hole 407, and blade bar 408.

Examples are shown in fig. 1-2:

a water tank 3 is arranged beside the ball mill 1, the installation height of the water tank 3 is higher than that of the discharge opening 2, the side wall of the bottom of the water tank 3 is communicated with a cleaning pipe 5, the cleaning pipe 5 guides water to the position above the discharge opening 2, and a part of the cleaning pipe 5 above the discharge opening 2 is provided with a spray hole; a slurry scraping plate 4 is connected to the base of the ball mill near the discharge hole 2.

The scraper 4 is provided with a fixing part 403, the fixing part 403 is provided with a clamping handle 401, the clamping handle 401 is provided with a screw 402, the nail tip of the screw 402 is provided with a cushion block, the scraper 4 is abutted against the base of the ball mill 1 through the screw 402 of the fixing part 403, so that the scraper 4 is fixed on the ball mill, the fixing part 403 of the scraper 4 is connected with an adjusting rod 404, the inside of the adjusting rod 404 is bendable carbon steel, the outside is wrapped with high-quality soft rubber, the supporting can be forcefully realized, meanwhile, the angle can be randomly changed by twisting, and the adjusting rod 404 is screwed to enable the blade 406 to be tangent with the discharge port 2. The inside cylindrical cavity that is equipped with of board sword pole 408 is equipped with a plurality of holes for water spraying 407 between the board sword pole 408 of sword board 406, and hole for water spraying 407 switch on the inside cylindrical cavity of board sword pole 408, is equipped with water pipe connector 405 at the one end that the board sword pole was kept away from regulation pole 404, and water pipe connector 405 switches on the cavity in the middle of the board sword pole 408. The water pipe connector 405 can be connected with an external water source, and water is sprayed to clean the blade plate 406 through the water spraying holes 407.

The specific implementation process is as follows:

when the ball mill 1 starts to work, the ball mill drives the discharge outlet 2 to start to rotate so as to discharge ground and mixed aerated concrete slurry, the discharged slurry overflows on the collecting tank, the rotary discharge outlet 2 brings the slurry up and covers the outer surface of the discharge outlet 2, a worker opens a water valve on the cleaning pipe 5, water in the water tank 3 flows to the cleaning pipe 5 under the action of gravity, and the water is sprayed on the outer surface of the discharge outlet 2 through spraying holes of the cleaning pipe 5 so as to clean the slurry on the discharge outlet 2 in real time.

The worker engages the fixing portion 403 of the scraper 4 with the base on the ball mill, screws 402 on the clamp 401 are tightened, the scraper 4 is fixed, the adjusting rod 404 is bent, the blade 406 is tangent to the outer circular surface of the discharge port 2, the discharge port 2 rotates relative to the blade 406, the blade 406 scrapes off the slurry on the discharge port 2, if the slurry on the blade is excessively accumulated, a hose connection water pipe connector 405 can be used, clean water is introduced into the blade rod 408 of the scraper 4, and the clean water is sprayed from the water spraying hole 407 to the blade to clean the blade.

The concrete slurry cleaned by the cleaning pipe and the hanging plate is mixed with the slurry discharged by the ball mill and conveyed to the next working section.

The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims

1. The utility model provides a clear thick liquid device of ball mill, includes water tank, wash pipe, its characterized in that: the installation height of the bottom of the water tank is higher than the highest point of the discharge opening of the ball mill, the water tank is connected with a cleaning pipe positioned above the discharge opening of the ball mill, a plurality of spraying holes capable of spraying water to the discharge opening are formed in the cleaning pipe, and a slurry scraping plate tangential to the outer surface of the discharge opening of the ball mill is arranged below the spraying holes.

2. The ball mill cleaning apparatus according to claim 1, wherein: the scraping plate consists of a fixing part, an adjusting rod, a plate blade rod and a blade plate, wherein the fixing part is connected with the blade plate rod through the adjusting rod, and the adjusting rod is a bendable metal rod.

3. The ball mill cleaning apparatus according to claim 2, wherein: the fixing part is provided with a clamping handle, and a plurality of symmetrical screws capable of propping against the base of the ball mill are arranged on the clamping handle.

4. The ball mill cleaning apparatus according to claim 2, wherein: the inside cylindrical cavity that has of board sword pole, the cavity is through board sword pole, and keep away from the one end switch-on of adjusting the pole has water pipe head be equipped with a plurality of water spray holes between board sword pole and the sword board, and water spray hole and cavity switch-on.

5. The ball mill cleaning apparatus according to claim 1, wherein: the connection point of the cleaning pipe and the water tank is positioned on the side wall of the water tank and 20-30cm higher than the bottom of the water tank.

6. The ball mill cleaning apparatus according to claim 1, wherein: the distance between the adjacent spraying holes on the cleaning pipe is 0.8-1.5cm.