CN220361316U

CN220361316U - Lime hydrate milling equipment

Info

Publication number: CN220361316U
Application number: CN202321901322.4U
Authority: CN
Inventors: 雷鑫波
Original assignee: Jingmen Longyu Petrochemical Co ltd
Current assignee: Jingmen Longyu Petrochemical Co ltd
Priority date: 2023-07-19
Filing date: 2023-07-19
Publication date: 2024-01-19
Anticipated expiration: 2033-07-19

Abstract

A slaked lime grinding device comprises a Raymond mill, an exhaust fan, a cyclone separator, a slaked lime vibrating screen, a pulse cloth bag dust remover and a draught fan; the bottom discharge gate of raymond mill has the air exhauster through the pipe connection, the air outlet of air exhauster is connected with the discharging pipe, the end-to-end connection of discharging pipe is to cyclone's inlet, cyclone's top blast pipe is connected with exhaust duct, exhaust duct's end-to-end connection is to pulse sack cleaner, pulse sack cleaner's net gas outlet is connected to the draught fan through the pipeline of giving vent to anger. The utility model has the advantages that: the slaked lime powder has uniform particle size, does not need manual transportation, saves manpower, and obviously improves the grinding efficiency of slaked lime.

Description

Lime hydrate milling equipment

Technical Field

The utility model belongs to the technical field of chemical production, and particularly relates to a slaked lime grinding device.

Background

At present, on bleaching powder production line, the existing slaked lime milling device often has the conditions that the particle size of slaked lime powder is not uniform enough, unqualified powder needs manual transportation to be milled again, manpower is consumed, and milling efficiency is reduced.

Disclosure of Invention

In view of the above problems, it is an object of the present utility model to provide a slaked lime mill device that addresses the above drawbacks.

A slaked lime grinding device comprises a Raymond mill, an exhaust fan, a cyclone separator, a slaked lime vibrating screen, a pulse cloth bag dust remover and a draught fan;

the bottom discharge port of the Raymond mill is connected with an exhaust fan through a pipeline, the air outlet of the exhaust fan is connected with a discharge pipe, the tail end of the discharge pipe is connected to the air inlet of the cyclone separator, the top exhaust pipe of the cyclone separator is connected with an exhaust pipeline, the tail end of the exhaust pipeline is connected to a pulse cloth bag dust collector, and the clean air outlet of the pulse cloth bag dust collector is connected to an induced draft fan through an air outlet pipeline;

the bottom discharge hole of the cyclone separator is connected with the top feed hole of the slaked lime vibrating screen, the slaked lime vibrating screen is of a rectangular box structure, a powder screen plate is obliquely arranged in the slaked lime vibrating screen, one side of the slaked lime vibrating screen is provided with a disqualified powder discharge hole at the lower end of the powder screen plate, and the bottom of the slaked lime vibrating screen is provided with a slaked lime qualified powder discharge hole;

the unqualified powder discharge port is connected with the feed end of the powder conveying auger, and the discharge end of the powder conveying auger is positioned right above the top feed port of the Raymond mill.

Preferably, a group of vibrating motors are arranged at the bottom of the slaked lime vibrating screen.

Preferably, the powder conveying auger is also provided with a supporting frame body connected with the side wall and the ground of the Raymond mill.

Preferably, the included angle between the powder sieve plate of the slaked lime vibrating screen and the horizontal plane is 10-15 degrees.

Preferably, a discharging ball valve is arranged on a bottom discharge hole of the cyclone separator.

The utility model has the advantages that: the slaked lime powder has uniform particle size, does not need manual transportation, saves manpower, and obviously improves the grinding efficiency of slaked lime.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural view of a slaked lime vibrating screen.

Fig. 3 is a schematic structural view of a powder sieve plate.

Description of the embodiments

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present utility model, it should be noted that, if the terms "upper," "lower," "inner," "outer," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like in the description of the present utility model, if any, are used for distinguishing between the descriptions and not necessarily for indicating or implying a relative importance.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in the drawing, the lime hydrate grinding device comprises a Raymond mill 20, an exhaust fan 21, a cyclone separator 22, a lime hydrate vibrating screen 23, a pulse bag-type dust remover 24 and an induced draft fan 25;

the bottom discharge port of the Raymond mill 20 is connected with an exhaust fan 21 through a pipeline, the air outlet of the exhaust fan 21 is connected with a discharge pipe 26, the tail end of the discharge pipe 26 is connected to the air inlet of a cyclone separator 22, the top exhaust pipe of the cyclone separator 22 is connected with an exhaust pipeline 27, the tail end of the exhaust pipeline 27 is connected to a pulse cloth bag dust collector 24, and the clean air outlet of the pulse cloth bag dust collector 24 is connected to an induced draft fan 25 through an air outlet pipeline;

the bottom discharge port of the cyclone separator 22 is connected with the top feed port of the slaked lime vibrating screen 23, the slaked lime vibrating screen 23 is of a rectangular box structure, a powder screen plate 28 is obliquely arranged in the slaked lime vibrating screen 23, a disqualified powder discharge port 29 is arranged at one side of the slaked lime vibrating screen 23 and at the lower end of the powder screen plate 28, and a slaked lime qualified powder discharge port 30 is arranged at the bottom of the slaked lime vibrating screen 23;

the unqualified powder discharge port 29 is connected with the feed end of the powder conveying auger 31, and the discharge end of the powder conveying auger 31 is positioned right above the top feed port of the Raymond mill 20.

In another technical scheme, a group of vibrating motors 32 are arranged at the bottom of the slaked lime vibrating screen 23, so that slaked lime powder can be conveniently vibrated and screened.

In another technical scheme, the powder conveying auger 31 is further provided with a supporting frame body connected with the side wall of the Raymond mill 20 and the ground, and the supporting frame body is used for supporting and stabilizing the powder conveying auger.

In another technical scheme, the included angle between the powder sieve plate 28 of the slaked lime vibrating screen 23 and the horizontal plane is 10-15 degrees, the angle is proper, and the influence on the screening effect caused by too fast discharging is avoided.

In another technical scheme, a discharging ball valve is arranged on a bottom discharge hole of the cyclone separator 22, so that discharging is facilitated.

Working principle: the lime hydrate dry material enters through the top feed inlet of the Raymond mill 20, is pumped into the cyclone 22 through the exhaust fan 21 and the discharge pipe 26 after being ground, the lime hydrate powder is separated from air in the cyclone 22, the lime hydrate powder is discharged into the lime hydrate vibrating screen 23 through the bottom discharge hole, after being screened, the unqualified powder is discharged from the unqualified powder discharge hole 29 and returned to the top feed inlet of the Raymond mill 20 through the powder conveying auger 31 for grinding again, and the qualified powder is discharged from the lime hydrate qualified powder discharge hole 30 and enters into the lime hydrate powder storage bin. The tail gas of the cyclone 22 is sent to the pulse bag-type dust collector 24 through a gas exhaust pipeline 27 to recover the powder entrained by the tail gas.

The above embodiments are only for illustrating the technical solution and features of the present utility model, and are intended to be better implemented by those skilled in the art, but not to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model are within the scope of the present utility model, wherein the prior art is not specifically illustrated.

Claims

1. The slaked lime grinding device is characterized by comprising a Raymond mill (20), an exhaust fan (21), a cyclone separator (22), a slaked lime vibrating screen (23), a pulse bag-type dust collector (24) and an induced draft fan (25);

the bottom discharge port of the Raymond mill (20) is connected with an exhaust fan (21) through a pipeline, the air outlet of the exhaust fan (21) is connected with a discharge pipe (26), the tail end of the discharge pipe (26) is connected to an air inlet of a cyclone separator (22), an exhaust pipeline (27) is connected to an exhaust pipe at the top of the cyclone separator (22), the tail end of the exhaust pipeline (27) is connected to a pulse cloth bag dust collector (24), and the clean air outlet of the pulse cloth bag dust collector (24) is connected to an induced draft fan (25) through an air outlet pipeline;

the bottom discharge hole of the cyclone separator (22) is connected with the top feed hole of the slaked lime vibrating screen (23), the slaked lime vibrating screen (23) is of a rectangular box structure, a powder screen plate (28) is obliquely arranged in the slaked lime vibrating screen (23), one side of the slaked lime vibrating screen (23) is provided with a disqualified powder discharge hole (29) at the lower end of the powder screen plate (28), and the bottom of the slaked lime vibrating screen (23) is provided with a slaked lime qualified powder discharge hole (30);

the unqualified powder discharge port (29) is connected with the feed end of the powder conveying auger (31), and the discharge end of the powder conveying auger (31) is positioned right above the top feed port of the Raymond mill (20).

2. A slaked lime grinding mill according to claim 1, characterized in that the bottom of the slaked lime vibrating screen (23) is provided with a set of vibrating motors (32).

3. The slaked lime grinding device according to claim 1, wherein the powder conveying auger (31) is further provided with a supporting frame body connected with the side wall of the Raymond mill (20) and the ground.

4. A slaked lime grinding mill according to claim 1, characterized in that the angle between the powder screening deck (28) of the slaked lime vibrating screen (23) and the horizontal plane is 10-15 °.

5. A slaked lime mill according to claim 1, characterized in that the bottom discharge opening of the cyclone (22) is provided with a discharge ball valve.