CN210022324U - Equipment for recovering grinding medium in wet grinding production process - Google Patents

Abstract

The utility model discloses an equipment that is arranged in wet-milling production process to retrieve grinding medium, including wet grinder and buffer tank, its characterized in that still includes separation bucket and recycling bin, the separation bucket is the toper, the side of separation bucket is equipped with the feed inlet, the orientation of feed inlet with the inner wall of separation bucket is tangent, the upper portion of separation bucket is equipped with the overflow mouth, and the lower part is equipped with the discharge gate, the feed inlet with the bin outlet intercommunication of wet grinder, the discharge gate with the recycling bin intercommunication, the overflow mouth with the thick liquid mouth intercommunication that advances of buffer tank. The utility model provides an equipment for retrieving grinding medium in wet-grinding production process solves the problem of grinding medium along with the thick liquids overflow in the production process, has improved the product quality, has promoted the life of back end equipment, has also stopped grinding medium's unusual loss.

Description

Equipment for recovering grinding medium in wet grinding production process

Technical Field

The utility model relates to a paper making raw materials production technical field, in particular to an equipment that is arranged in wet-grinding production process to retrieve grinding medium.

Background

With the successive operation of large paper machines, the matched calcium carbonate production plant is also in large-scale emergence. The grinding of calcium carbonate is classified into dry grinding and wet grinding, and the wet grinding is classified into millstone type grinding and bar mill type grinding according to the form of a paddle, and classified into horizontal grinding and vertical grinding according to the form of a body. Wherein, the vertical grinding disc type grinding is easy to generate the phenomenon that grinding media overflow along with slurry. At present, various solutions exist, such as reducing a horn mouth gap of a wet grinder, increasing a discharging filter screen, increasing a separator by a stirring shaft and the like, prevent grinding media from overflowing, but have poor effect and cannot completely stop.

Disclosure of Invention

To the above-mentioned prior art, the utility model provides an equipment that is arranged in wet-grinding production process to retrieve grinding medium has solved the problem of grinding medium along with the thick liquids overflow in the production process, has improved the product quality, has promoted the life of back end equipment, has also stopped grinding medium's unusual loss.

The technical scheme of the invention is realized as follows:

the utility model provides an equipment that is arranged in wet-grinding production process to retrieve grinding medium, includes wet grinder and buffer tank, still includes separator vat and recycling bin, the separator vat is the toper, the side of separator vat is equipped with the feed inlet, the orientation of feed inlet with the inner wall of separator vat is tangent, the upper portion of separator vat is equipped with the overflow mouth, and the lower part is equipped with the discharge gate, the feed inlet with the bin outlet intercommunication of wet grinder, the discharge gate with the recycling bin intercommunication, the overflow mouth with the thick liquid mouth intercommunication of advancing of buffer tank.

Further, the feed inlet is communicated with a discharge outlet of the wet grinding machine through a pipeline.

Further, the discharge hole is communicated with the recycling bin through a pipeline.

Further, the overflow port is communicated with the slurry inlet of the buffer tank through a pipeline.

Further, the level of the overflow port is higher than that of the feed port.

Further, the discharge hole is formed in the bottom of the separation barrel.

Further, the separating barrel comprises an upper cylindrical barrel part and a lower conical barrel part, the feeding port is arranged on the cylindrical barrel part, and the discharging port is arranged at the bottom of the conical barrel part.

The beneficial effects of the utility model reside in that:

the bin outlet of wet grinder and the feed inlet intercommunication of separator vat, the orientation of feed inlet is tangent with the inner wall of separator vat, the thick liquids mixture that has grinding medium that goes out from wet grinder gets into the separator vat along tangential direction, and be rotary motion along the inner wall of separator vat, the specific gravity of grinding medium and thick liquids differs greatly, grinding medium receives centrifugal force and the effect of gravity, under the effect of power, the grinding medium that the specific gravity is big progressively landing to the bottom gathering of separator vat along the inner wall of separator vat, the thick liquids overflow outflow overflow mouth of the little thick liquids of specific gravity from equipment, flow in the buffer tank from the overflow mouth after that, thereby realize the separation of grinding medium and thick liquids, promote the product quality, stop grinding medium abnormal loss. The scheme changes an angle, namely the grinding media are allowed to overflow, but the rear-stage process cannot be influenced, and the overflowing grinding media are completely recycled. The quality and the production continuity are ensured to the maximum extent. The method solves the problem that the slurry contains the grinding medium, and compared with other improvement methods, the method not only saves the investment cost, but also can thoroughly solve the problem.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.

FIG. 1 is a schematic view of an apparatus for recovering grinding media in a wet grinding process according to the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the separation barrel of the present invention;

in the figure, 1 wet grinding machine, 2 buffer tank, 3 separation barrel, 4 recovery barrel, 5 feed inlet, 6 overflow port, 7 discharge port, 8 pipeline, 9 conical barrel part and 10 cylindrical barrel part.

Detailed Description

In order to better understand the technical content of the present invention, the following embodiments are provided, and the present invention is further described with reference to the accompanying drawings.

Referring to fig. 1 to 2, an apparatus for recovering grinding media in a wet grinding production process comprises a wet grinder 1 and a buffer tank 2, and further comprises a separation barrel 3 and a recovery barrel 4, wherein the separation barrel 3 is conical, a feed inlet 5 is arranged on the side surface of the separation barrel 3, the orientation of the feed inlet 5 is tangential to the inner wall of the separation barrel 3, an overflow port 6 is arranged on the upper part of the separation barrel 3, a discharge port 7 is arranged on the lower part of the separation barrel 3, the feed inlet 5 is communicated with a discharge port of the wet grinder 1, the discharge port 7 is communicated with the recovery barrel 4, and the overflow port 6 is communicated with a slurry inlet of the buffer tank 2.

The discharge gate of wet grinder 1 and feed inlet 5 of separator vat 3 communicate, the orientation of feed inlet 5 is tangent with the inner wall of separator vat 3, the thick liquids mixture that has grinding medium that comes out from wet grinder 1 gets into separator vat 3 along tangential direction, and do rotary motion along the inner wall of separator vat 3, the specific gravity difference of grinding medium and thick liquids is very big, grinding medium receives centrifugal force and the effect of gravity, under the effect of power, grinding medium that the specific gravity is big progressively slips to the bottom gathering of separator vat 3 along the inner wall of separator vat 3, thick liquids that the specific gravity is little overflow from the top of equipment and go out overflow mouth 6, flow in buffer tank 2 from overflow mouth 6 subsequently, thereby realize the separation of grinding medium and thick liquids, promote the product quality, stop grinding medium unusual loss. The scheme changes an angle, namely the grinding media are allowed to overflow, but the rear-stage process cannot be influenced, and the overflowing grinding media are completely recycled. The quality and the production continuity are ensured to the maximum extent. The method solves the problem that the slurry contains the grinding medium, and compared with other improvement methods, the method not only saves the investment cost, but also can thoroughly solve the problem.

Specifically, the feed port 5 is communicated with a discharge port of the wet grinder 1 through a pipeline 8. Specifically, the discharge port 7 is communicated with the recycling bin 4 through a pipeline 8. Specifically, the overflow port 6 is communicated with a slurry inlet of the buffer tank 2 through a pipeline 8. Through the communication of the pipelines 8, the length of the pipeline 8 can be selected according to the distance between the devices, and the installation and the fixation of each device are convenient.

Specifically, the level of the overflow port 6 is higher than that of the feed port 5. Grinding medium under the effect of power, along the gradual landing of the inner wall of separation bucket 3 to the bottom gathering of separation bucket 3, the horizontal height of overflow mouth 6 is higher than the horizontal height of feed inlet 5 and can avoids grinding medium to flow from overflow mouth 6 at the in-process of gliding, improves the separation effect.

Specifically, the discharge port 7 is arranged at the bottom of the separation barrel 3. The grinding media finally accumulate at the bottom of the separation tub 3, and the accumulated grinding media are discharged from the bottom of the separation tub 3 into the recovery tub 4, where the grinding media are recovered.

Specifically, the separation barrel 3 includes an upper cylindrical barrel 10 and a lower conical barrel 9, the feed port 5 is provided in the cylindrical barrel 10, and the discharge port 7 is provided at the bottom of the conical barrel 9. The slurry with grinding media from the feed port 5 makes spiral motion along the inner wall of the cylindrical barrel 10, enters the cylindrical barrel 10 and then slides down to the conical barrel 9, so that the grinding media can be conveniently separated.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides an equipment that is arranged in wet-grinding production process to retrieve grinding medium, includes wet grinder and buffer tank, its characterized in that still includes separator vat and recycling bin, the separator vat is the toper, the side of separator vat is equipped with the feed inlet, the orientation of feed inlet with the inner wall of separator vat is tangent, the upper portion of separator vat is equipped with the overflow mouth, and the lower part is equipped with the discharge gate, the feed inlet with the bin outlet intercommunication of wet grinder, the discharge gate with the recycling bin intercommunication, the overflow mouth with the thick liquid inlet intercommunication of buffer tank.

2. An apparatus for the recovery of grinding media used in wet milling manufacturing processes according to claim 1 wherein the feed inlet is in communication with the discharge outlet of the wet mill through a conduit.

3. The apparatus for recovering grinding media in a wet milling manufacturing process of claim 1 wherein the discharge port is in communication with the recovery tank via a conduit.

4. The apparatus for recovering grinding media in a wet grinding production process of claim 1, wherein the overflow port is in communication with the slurry inlet port of the surge tank through a conduit.

5. An apparatus for reclaiming grinding media in a wet milling production process as set forth in claim 1 wherein the level of the overflow outlet is higher than the level of the feed inlet.

6. The apparatus for recovering grinding media in a wet milling production process of claim 1, wherein the discharge port is provided at the bottom of the separation tub.

7. The apparatus for reclaiming grinding media in a wet grinding production process as claimed in claim 1, wherein the separation barrel comprises an upper cylindrical barrel portion and a lower conical barrel portion, the feed inlet is provided at the cylindrical barrel portion, and the discharge outlet is provided at the bottom of the conical barrel portion.