CN217989567U - Multistage milling equipment of calcium oxide - Google Patents

Abstract

The utility model discloses a multi-stage calcium oxide grinding device, which comprises a box body which is sequentially divided into a feeding chamber, a grinding chamber, a filtering chamber and a collecting chamber from top to bottom, wherein a crushing chamber with a crushing roller is arranged between the feeding chamber and the grinding chamber; the left side of the feeding chamber is provided with a corresponding discharge port, and the right side of the feeding chamber is provided with a horizontal first hydraulic machine; a pair of grinding rollers are arranged in the grinding chamber; the collecting chamber comprises a temporary storage chamber and a material storage chamber for storing a material storage box; and an air injection unit for spraying air is arranged in the box body. The utility model discloses a separate into each cavity that the function is different in the box, then add and establish supporting air injection unit, utilize air injection unit to blow the powder in the box from the top down in proper order and drench and finally get into the storage box and collect, need not staff's manual collection, it is more convenient, the amount of manual labor is few, equipment also need not to shut down, efficiency is higher; the utility model has the advantages of convenient powder collection, reduced labor capacity, high production efficiency and relatively more convenient production.

Description

Multistage milling equipment of calcium oxide

Technical Field

The utility model relates to a calcium oxide processing field, especially multistage milling equipment of calcium oxide.

Background

Calcium oxide is an inorganic compound with the chemical formula CaO, commonly known as quicklime. The physical properties are white powder on the surface, off-white when the powder is impure, light yellow or gray when the powder contains impurities, and hygroscopicity. Calcium oxide is in great demand in industrial use and is required by various industries.

In the production and preparation process of calcium oxide, blocky raw materials need to be crushed and ground into powder meeting the specification, and a grinding device is usually needed.

Present patent CN202122788920.2 discloses a multistage milling equipment for calcium oxide production, which comprises a bod, upper portion symmetry in the organism is provided with two crushing rollers, and the both ends of two crushing rollers rotate respectively and connect in the organism, and the below of two crushing rollers is provided with the filter jointly, filter fixed connection is at the middle part in the organism, the middle part of filter rotates and has cup jointed the transfer line, the upper end of transfer line is rotated and has been cup jointed the round bar, the both ends of round bar all rotate and have been cup jointed the grinding roll.

However, the grinding device has the same problem of troublesome material collection as the grinding device currently used in a factory; during the production process, a lot of calcium oxide particles or powder are accumulated at each corner or gap in the device, and even calcium oxide is adhered to the grinding roller and the crushing roller, so that a lot of calcium oxide powder cannot be effectively collected and certain loss exists during actual material collection; in order to collect the powder, the equipment is usually required to be cleaned, beaten and the like manually by workers, so that the powder can fall down and be collected, time and labor are wasted, the labor burden of the workers is increased, and the equipment usually stops working in the process, so that the production efficiency is influenced.

Moreover, these milling equipment at present all are usually to carrying out the crocus to the calcium oxide raw materials that have passed through preliminary crushing, and it can't carry out direct processing to massive calcium oxide raw materials, leads to need carry out the pre-crushing processing before putting into production, and it is inconvenient to produce.

Therefore, the calcium oxide milling device used at present has the problems of difficult powder collection, large labor capacity, low production efficiency and inconvenient production.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a multistage milling equipment of calcium oxide. The utility model has the advantages of convenient powder collection, reduced labor capacity, high production efficiency and relatively more convenient production.

The technical scheme of the utility model: the multi-stage calcium oxide grinding device comprises a box body and a box cover arranged at the top of the box body; the top of the box cover is provided with an air draft assembly; the air draft assembly comprises a mounting seat arranged at the top of the box cover, an air draft chamber arranged above the mounting seat, an air draft bent pipe arranged above the air draft chamber and an expanding opening arranged at the top of the air draft bent pipe; an exhaust fan is arranged in the air exhaust chamber, a support frame is arranged between the air exhaust chamber and the mounting seat, and an air pipe is arranged between the support frames; an air guide cover connected with an air pipe is arranged inside the box cover; the top of the box body is provided with a plurality of layers of filter layers which are uniformly arranged, and each filter layer is provided with a water seepage pipe; a collecting tank is arranged in the middle of the box body, and a water storage chamber positioned below the collecting tank is arranged at the bottom of the box body; a water suction pump is arranged in the water storage chamber and is connected with a plurality of water seepage pipes through a main water pipe; the bottom of each infiltration pipe all is equipped with a plurality of infiltration holes.

In the multistage calcium oxide grinding device, a rotating chamber is arranged between the air pumping chamber and the air pumping elbow, and a rotating motor for driving the air pumping elbow to rotate horizontally is arranged in the rotating chamber.

In the multistage milling equipment of calcium oxide, the junction of case lid and one side of box is equipped with the axis of rotation, one side that the axis of rotation was kept away from to the case lid is equipped with the case lid handle.

In the multistage calcium oxide grinding device, clamping blocks corresponding to the collecting tank are arranged on two sides in the box body, the middle section of the bottom of the collecting tank is convex, and a water seepage filter screen is arranged at the convex part; one side of the box body is provided with a notch corresponding to the side surface of the collecting groove, and one side of the collecting groove is provided with a handle corresponding to the notch.

Compared with the prior art, the utility model discloses a separate into the box in the material feeding room, crushing room, grinding room, filter chamber and the collection room that each function is different, then add and establish supporting jet-propelled unit, utilize the jet-propelled unit to blow the powder in the box in proper order from the top down and spray and blow in the storage box at last and deposit, need not the staff and carry out manual collection, the powder is collected more conveniently, the amount of labour is few, and also need not equipment stop work in the collection process, can just carry out jet-propelled collection in the crocus process, production efficiency is higher;

this application is through adding and establishing feeding chamber, and its inside level sets up a hydraulic press, and a hydraulic press can promote cubic raw materials and press and carry out the breakage on the crushing roller, adopts this application to carry out the calcium oxide crocus, need not to carry out crushing treatment in advance to cubic raw materials, and the processing of just directly producing can be carried out, and it is more convenient to use in production.

Therefore, the utility model has the advantages of the powder is collected conveniently, the amount of labour reduces, production efficiency is high and production is more convenient relatively.

Furthermore, the blanking plates (the first blanking plate, the second blanking plate and the third blanking plate) are respectively arranged at corresponding positions, and the blanking plates are used for oblique blanking, so that the powder can conveniently slide down automatically under the action of gravity, and meanwhile, the powder is not easy to accumulate;

by additionally arranging an equipment room with a second hydraulic machine, and matching with a filter screen, particles which cannot pass through the filter screen are rolled and crushed by a pressing plate, so that the grinding effect is improved;

through adding elastic sealing plate and a closing plate in corresponding position, utilize elasticity of torsional spring, the thrust of a hydraulic press, gaseous thrust, the thrust of joint portion etc. to realize the respective switching of elastic sealing plate and a closing plate, can make things convenient for gas and powder to pass through when opening, then can prevent the backward flow when closing.

Drawings

Fig. 1 is an isometric view of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is a schematic structural view of the one-way ventilation plate of the present invention;

fig. 4 is a side view of the choke valve of the present invention;

fig. 5 is a front view of the choke valve of the present invention.

The labels in the figures are: 1-box body, 11-feeding chamber, 12-crushing chamber, 13-grinding chamber, 14-filter chamber, 15-equipment chamber, 16-temporary storage chamber, 17-storage chamber, 2-crushing roller, 3-grinding roller, 41-first hydraulic machine, 42-push plate, 43-second hydraulic machine, 44-pressing plate, 51-first sealing plate, 52-elastic sealing plate, 6-filter screen, 71-first blanking plate, 72-sliding plate, 73-second blanking plate, 74-layer partition plate, 75-third blanking plate, 76-sliding track, 77-conveying pipe, 771-clamping part, 78-feeding inclined plate, 81-first air pipe, 82-second air pipe, 83-third air pipe, 84-fourth air pipe, 85-fifth air pipe, 86-one-way air permeable plate, 87-air-blocking valve, 9-storage box and 10-raw material block.

Detailed Description

The present invention will be further described with reference to the drawings and examples, which should not be construed as a limitation to the present invention.

Examples are given. The multi-stage calcium oxide grinding device comprises a box body 1 which is sequentially divided into a feeding chamber 11, a grinding chamber 13, a filtering chamber 14 and a collecting chamber from top to bottom as shown in figure 1; a crushing chamber 12 for primary crushing is arranged between the feeding chamber 11 and the grinding chamber 13, and a crushing roller 2 is arranged in the crushing chamber 12; a discharge port is arranged at the left side of the feeding chamber 11 and corresponds to the crushing roller 2, and a first hydraulic press 41 which is horizontally pushed is arranged at the right side; a pair of grinding rollers 3 for grinding are arranged in the grinding chamber 13; the collection chamber comprises a temporary storage chamber 16 and a material storage chamber 17 for placing the material storage box 9; a gas injection unit for spraying powder by gas is arranged in the box body 1;

a material feeding inclined plate 78 which is inclined and positioned above the first hydraulic machine 41 is arranged on the right side in the material feeding chamber 11, so that the blocky raw materials 10 can slide downwards conveniently; a push plate 42 is arranged on the left side of the first hydraulic press 41, the first hydraulic press 41 drives the push plate 42 to laterally push the block raw material 10, and the block raw material 10 is pushed out from a discharge port and is pressed on the crushing roller 2 to be crushed; a rotatable first sealing plate 51 is arranged at the discharge port of the feeding chamber 11;

an equipment chamber 15 is formed by separating the right side of the grinding chamber 13 and the upper part of the filtering chamber 14, a second hydraulic machine 43 which is vertically arranged is arranged in the equipment chamber 15, a pressing plate 44 which is connected with the second hydraulic machine 43 is arranged below the equipment chamber 15, and the pressing plate 44 rolls and crushes particles which cannot pass through the filter screen 6; the pressing plate 44 is a circular truncated cone-shaped pressing plate having a small upper portion and a large lower portion, and prevents particles from accumulating on the pressing plate 44.

The top of the box body 1 is provided with a feeding cover which can be opened and closed and is positioned above the feeding chamber 11.

The top of the material storage box 9 is provided with a one-way vent valve, the tail end of the one-way vent valve is provided with a barrier diaphragm, the barrier diaphragm is made of common air-permeable and powder-impermeable materials on the market, and the barrier diaphragm is combined with the one-way vent valve to discharge gas.

A pair of obliquely arranged first blanking plates 71 is arranged between the crushing chamber 12 and the grinding chamber 13, and a blanking port between the two first blanking plates 71 is positioned above the grinding roller 3; the end part of the first blanking plate 71 is provided with a sliding plate 72 inclined towards the grinding rollers 3, and the horizontal height of the bottom end of the sliding plate 72 is lower than that of the top end of the grinding rollers 3; the first blanking plate 71 is combined with the sliding plate 72 so as to facilitate the product to directly slide between the grinding rollers 3 for grinding;

a second blanking plate 73 inclining downwards to the left is arranged between the grinding chamber 13 and the filtering chamber 14, and a rotatable elastic sealing plate 52 is arranged between the second blanking plate 73 and the box body 1.

A horizontally arranged layer partition plate 74 is arranged on the right side between the filtering chamber 14 and the collecting chamber, a third blanking plate 75 inclining downwards to the left is arranged on the left side of the layer partition plate 74, and a filtering net 6 inclining downwards to the right is arranged above the third blanking plate 75; a rotatable elastic sealing plate 52 is arranged between the third blanking plate 75 and the box body 1.

As shown in fig. 2, a material conveying pipe 77 which is inclined upwards and connected with the material storage box 9 is arranged at the bottom of the right side of the temporary storage chamber 16, and an electric control valve is arranged on the material conveying pipe 77; the feed delivery pipe 77 is composed of a funnel part at the left side and a clamping part 771 horizontally arranged at the right side, the funnel part is in a funnel shape with a large left side and a small right side, and the clamping part 771 is in a circular tube shape;

a feed inlet corresponding to the clamping part 771 is formed in the left side of the storage box 9, and the clamping part 771 can be clamped into the feed inlet just and is sealed mutually; the inner side of the storage box 9 is provided with an elastic sealing plate 52 which is positioned above the feeding hole and can rotate.

The bottom of the storage chamber 17 is provided with a sliding rail 76, the right side of the storage chamber is provided with a door capable of being opened and closed, and the storage box 9 can be slidably arranged on the sliding rail 76, so that the storage box 9 can be conveniently taken or put.

The air injection unit comprises an air pump arranged outside the box body 1, a first air pipe 81 vertically positioned above the left side of the crushing chamber 12, a second air pipe 82 horizontally positioned on the right side of the crushing chamber 12, a third air pipe 83 horizontally positioned on the right side of the grinding chamber 13, a fourth air pipe 84 horizontally positioned on the right side of the filtering chamber 14 and a fifth air pipe 85 horizontally positioned on the left side of the temporary storage chamber 16;

the first air pipe 81, the second air pipe 82, the third air pipe 83, the fourth air pipe 84 and the fifth air pipe 85 are all connected with an air pump through switch valves;

the front ends of the first air pipe 81, the second air pipe 82, the third air pipe 83, the fourth air pipe 84 and the fifth air pipe 85 are respectively provided with a one-way ventilation plate 86 capable of one-way ventilation.

As shown in fig. 3-5, a plurality of one-way choke valves 87 are uniformly distributed on the one-way vent plate 86; the choke valve 87 is conical, the bottom end of the choke valve is bent in a right angle shape, and the inner side of the bottom end is arranged in a step shape; the front end of the choke valve 87 is provided with a straight-line-shaped opening; the choke valve 87 can achieve the function of one-way ventilation well.

The elastic sealing plate 52 comprises a mounting seat, a rotating shaft rotatably arranged in the mounting seat, a torsion spring sleeved on the rotating shaft and a sealing plate fixedly connected with the rotating shaft;

the tail section of the sealing plate is an elastic end which is made of elastic rubber materials, so that clamping and sealing are convenient; under the normal state, the torsion spring is in a relaxed state, and the sealing plate plays a sealing role at the moment; under the open mode, the closing plate is pushed open or blows off etc to make the torsional spring twist reverse, thereby it is sealed to drive the closing plate rotation after the effort disappears.

A driving motor for driving the crushing roller 2 to rotate is arranged at the rear part of the box body 1; an output shaft of the driving motor drives the crushing roller 2 to rotate through a coupler, and a main chain wheel is arranged on the output shaft; the two grinding rollers 3 are provided with rotating shafts for rotation, one ends of the rotating shafts are provided with meshed parts, the two rotating shafts are mutually meshed and rotate, and the other end of one rotating shaft penetrates through the box body 1 and is provided with a secondary chain wheel; the main chain wheel is rotationally connected with the secondary chain wheel through a chain.

The utility model discloses a theory of operation:

as shown in fig. 1-5, the feeding cover of the box body 1 is opened, the calcium oxide block raw material is directly fed into the feeding chamber 11, and then the feeding cover is closed;

the driving motor starts to work, so that the crushing roller 2 and the grinding roller 3 are driven to work; the first hydraulic machine 41 pushes the push plate 42 to drive the block raw material to be pushed out through the discharge port until the block raw material is pressed on the crushing roller 2, and the crushing roller 2 continuously crushes the block raw material;

the crushed particles slide between the grinding rollers 3 along the first blanking plate 71 and the sliding plate 72, and the grinding rollers 3 grind the particles into powder;

the ground powder slides downwards through a second blanking plate 73 to be accumulated on the elastic sealing plate 52, and after a certain weight is reached, the elastic sealing plate 52 is opened, and the powder falls into the filter chamber 14;

the filter screen 6 filters the powder, a qualified product falls on the third blanking plate 75, and an unqualified product is left on the filter screen 6;

the products entering the buffer chamber 16 wait to be sent to the storage box 9 for collection;

during the grinding process, the air injection units work simultaneously, the first air pipe 81 blows air from top to bottom, and products are blown from the crushing chamber 12 to the grinding chamber 13, the filtering chamber 14 and the temporary storage chamber 16 in sequence until finally enter the storage box 9 through the conveying pipe 77 to be collected;

meanwhile, the second air pipe 82 blows the powder on the right side of the crushing chamber 12 to the left to prevent the powder from being accumulated; powder which cannot pass through the filter screen 6 is blown to the lower part of the pressing plate 44 under the action of gas, the second hydraulic press 43 drives the pressing plate 44 to press downwards to grind and crush the powder, the fourth air pipe 84 blows the powder to the left side after the powder is ground, and the powder is filtered again and repeatedly to ensure that the powder can be fully ground;

after the products are collected, the driving motor and the air pump are closed, the box door is opened, the storage box 9 is taken out for product transportation, and then the empty storage box 9 is placed on the sliding rail 76;

when the storage box 9 is taken out, the clamping part 771 exits from the feeding hole, so that the elastic sealing plate 52 rebounds under the action of the torsion spring to realize sealing.

Claims (8)

1. Multistage milling equipment of calcium oxide, its characterized in that: comprises a box body (1), the interior of the box body (1) is sequentially divided into a feeding chamber (11), a grinding chamber (13), a filtering chamber (14) and a collecting chamber from top to bottom; a crushing chamber (12) is arranged between the feeding chamber (11) and the grinding chamber (13), and crushing rollers (2) which are horizontally arranged from front to back are arranged in the crushing chamber (12); a discharge hole corresponding to the crushing roller (2) is formed in the left side of the feeding chamber (11), and a first hydraulic machine (41) is horizontally arranged on the right side; a pair of grinding rollers (3) for grinding are arranged in the grinding chamber (13); the collection chamber comprises a temporary storage chamber (16) and a material storage chamber (17) for placing a material storage box (9); an air injection unit for spraying air is arranged in the box body (1);

a feeding inclined plate (78) obliquely positioned above the first hydraulic machine (41) is arranged in the feeding chamber (11), a push plate (42) is arranged on the left side of the first hydraulic machine (41), and the first hydraulic machine (41) drives the push plate (42) to laterally push the block raw material (10); a rotatable first sealing plate (51) is arranged at a discharge port of the feeding chamber (11);

an equipment chamber (15) is arranged at the right side of the grinding chamber (13) and above the filtering chamber (14), a second hydraulic machine (43) which is vertically arranged is arranged in the equipment chamber (15), and a pressing plate (44) connected with the second hydraulic machine (43) is arranged below the equipment chamber (15); the pressing plate (44) is a circular table type pressing plate with a small upper part and a big lower part.

2. The multi-stage calcium oxide milling apparatus as claimed in claim 1, wherein: a pair of obliquely arranged first blanking plates (71) is arranged between the crushing chamber (12) and the grinding chamber (13), and a blanking port between the two first blanking plates (71) is positioned above the grinding roller (3); a sliding material plate (72) which inclines towards the space between the grinding rollers (3) is arranged at the end part of the first blanking plate (71), and the horizontal height of the bottom end of the sliding material plate (72) is lower than that of the top end of the grinding rollers (3); a second blanking plate (73) inclining downwards to the left is arranged between the grinding chamber (13) and the filtering chamber (14), and a rotatable elastic sealing plate (52) is arranged between the second blanking plate (73) and the box body (1).

3. The multi-stage calcium oxide milling apparatus as claimed in claim 1, wherein: a horizontally arranged layer partition plate (74) is arranged on the right side between the filtering chamber (14) and the collecting chamber, a third blanking plate (75) inclining downwards towards the left is arranged on the left side of the layer partition plate (74), and a filtering net (6) inclining downwards towards the right is arranged above the third blanking plate (75); a rotatable elastic sealing plate (52) is arranged between the third blanking plate (75) and the box body (1).

4. The multi-stage calcium oxide milling apparatus as claimed in claim 1, wherein: a material conveying pipe (77) which is inclined upwards and connected with the material storage box (9) is arranged at the bottom of the right side of the temporary storage chamber (16); the feed delivery pipe (77) is composed of a funnel part at the left side and a clamping part (771) horizontally arranged at the right side, the funnel part is in a funnel shape with a large left side and a small right side, and the clamping part (771) is in a circular tube shape; the left side of the storage box (9) is provided with a feed inlet corresponding to the clamping part (771), and the inner side of the storage box (9) is provided with an elastic sealing plate (52) which is positioned above the feed inlet and can rotate.

5. The multi-stage calcium oxide milling apparatus as claimed in claim 1, wherein: the bottom of the material storage chamber (17) is provided with a sliding rail (76), and the material storage box (9) can be arranged on the sliding rail (76) in a sliding manner; the right side of the material storage chamber (17) is provided with a box door which can be opened and closed.

6. The multi-stage calcium oxide milling apparatus as claimed in claim 1, wherein: the air injection unit comprises an air pump arranged outside the box body (1), a first air pipe (81) vertically positioned above the left side of the crushing chamber (12), a second air pipe (82) horizontally positioned on the right side of the crushing chamber (12), a third air pipe (83) horizontally positioned on the right side of the grinding chamber (13), a fourth air pipe (84) horizontally positioned on the right side of the filtering chamber (14) and a fifth air pipe (85) horizontally positioned on the left side of the temporary storage chamber (16); the first air pipe (81), the second air pipe (82), the third air pipe (83), the fourth air pipe (84) and the fifth air pipe (85) are all connected with the air pump through switch valves; the front ends of the first air pipe (81), the second air pipe (82), the third air pipe (83), the fourth air pipe (84) and the fifth air pipe (85) are respectively provided with a one-way ventilation plate (86) capable of conducting one-way ventilation.

7. The multi-stage calcium oxide milling apparatus of claim 6, wherein: a plurality of one-way air blocking valves (87) are uniformly distributed on the one-way ventilating plate (86); the air choke valve (87) is conical, the bottom end of the air choke valve is bent in a right-angle shape, and the inner side of the bottom end is arranged in a step shape; the front end of the choke valve (87) is provided with a straight-line-shaped opening.

8. The multi-stage calcium oxide milling apparatus as claimed in any one of claims 2 to 4, wherein: the elastic sealing plate (52) comprises a mounting seat, a rotating shaft rotatably arranged in the mounting seat, a torsion spring sleeved on the rotating shaft and a sealing plate fixedly connected with the rotating shaft; the seal plate tail section is an elastic end made of an elastic rubber material.

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