CN214682144U

CN214682144U - Nano calcium carbonate filter cake reducing mechanism

Info

Publication number: CN214682144U
Application number: CN202022594473.2U
Authority: CN
Inventors: 姚忠修
Original assignee: Qingzhou Yuxing Industry And Trade Co ltd
Current assignee: Shandong Yuxin Nano Technology Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-11-12
Anticipated expiration: 2030-11-11

Abstract

The utility model discloses a nanometer calcium carbonate filter cake reducing mechanism relates to nanometer calcium carbonate drying technology field, including the broken chamber of material, be provided with feed inlet and discharge gate on the broken chamber of material, broken intracavity parallel mounting of material has two rotatory live-rollers in opposite directions, and two live-rollers are located the feed inlet lower extreme, have the interval between two live-rollers, and the interval can be adjusted through the position of adjusting two live-rollers. The utility model discloses design two live rollers into active state, come the interval between the adjustment through two live rollers, after the filter cake got into nanometer calcium carbonate filter cake reducing mechanism, it is different through the interval size between the roller to break into the filter cake fineness and differ.

Description

Nano calcium carbonate filter cake reducing mechanism

Technical Field

The utility model relates to a technical field is smashed to the filter cake, in particular to nanometer calcium carbonate filter cake reducing mechanism.

Background

At present, nano calcium carbonate is widely applied to the plastic and rubber industries, and the manufacturing process of drying and depolymerizing the nano calcium carbonate mainly comprises a filter press, a scraper conveyor (or a belt conveyor), a filter cake crushing device, a belt conveyor and a collecting bin.

The principle of the filter cake crushing device commonly used at present is that two groups of roll shafts are utilized to crush the filter cake by extrusion force and shearing force generated by relative rotation. Under high-speed shearing and beating, the breaking is realized by folding, splitting, extruding and grinding. The filter cake begins to break, and the broken small particles are discharged from the lower part of the machine along the tangential direction of the rotation of the roller, so that the filter cake is broken into the fineness required by a user. The crushing effect and the granularity of the filter cake depend on the tooth form and the arrangement mode of the rotating roll shafts and the number of the rotating roll shafts, and the key part of the crushing effect and the granularity of the filter cake is the rotating roll shafts. The humidity of filter cake is different, and the fineness of requirement is also different, and the breaker of present single-stage two roller structures has crushing roller interval fixed, and the unable convenient and fast's adjustment rotates the clearance of roller, but need change the roller, and work efficiency is low, and the operation is complicated moreover, and is relatively poor to the granule suitability of the different fineness of preparation.

Disclosure of Invention

To above defect, the utility model aims at providing a nanometer calcium carbonate filter cake reducing mechanism, this nanometer calcium carbonate filter cake reducing mechanism can produce the filter cake of multiple fineness, easy operation, and work efficiency is high.

In order to realize the purpose, the technical scheme of the utility model is that:

the utility model provides a nanometer calcium carbonate filter cake reducing mechanism, includes the broken chamber of material, be provided with relative feed inlet and the discharge gate that sets up on the broken chamber of material, the broken intracavity parallel mount of material has two the same live-rollers axle, two live-rollers axle looks rotation, two there is the interval between the live-rollers axle, the interval can be through adjusting two the mounted position of live-rollers axle adjusts.

The material crushing cavity is provided with a positioning groove, the positioning groove is in a long strip shape, the end parts of the two rotating roll shafts penetrate out of the positioning groove and are fixed outside the material crushing cavity through bearing seats, and the bearing seats can horizontally move on the material crushing cavity.

The impeller is provided with a plurality of impeller teeth extending outwards, a gap is formed between every two adjacent impellers, the gap is larger than the thickness of each impeller, and the impellers of the rotating roll shafts are mutually crossed.

Wherein, be provided with the erection angle between the adjacent impeller.

Wherein the mount angle is 60 °.

The two sides of the material crushing cavity are provided with baffles, and grooves for the impellers to pass through are formed in the baffles.

The impeller is characterized in that a hook is arranged on the impeller teeth, and the opening direction of the hook faces to the rotation direction of the impeller.

Wherein the impeller teeth are evenly arranged in three around the impeller.

Wherein, two the rotation roller axle is by independent motor and speed reducer drive respectively.

The discharge port is arranged at the bottom of the material crushing cavity and positioned at the bottom of the two rotating roller shafts, and a conical or inverted triangular collection port is connected to the discharge port.

After the technical scheme is adopted, the beneficial effects of the utility model are that:

because the utility model discloses nanometer calcium carbonate filter cake reducing mechanism, including the broken chamber of material, be provided with feed inlet and discharge gate on the broken chamber of material, broken intracavity parallel mounting of material has two rotatory live-rollers axle in opposite directions, and two live-rollers axle are located the feed inlet lower extreme, have the interval between two live-rollers axle, and the interval can be adjusted through the position of adjusting two live-rollers axles. The utility model discloses design two live rollers into active state, adjust the interval between it through two live rollers of activity, after the filter cake got into nanometer calcium carbonate filter cake reducing mechanism, it is different through the interval size between the roller to break into the filter cake state that the fineness differs, this device easy operation and easy control, the suitability is high.

Because be provided with the constant head tank on the broken chamber of material, the constant head tank is rectangular form, and the tip of two rotation roller shafts is worn out the constant head tank and is fixed outside the broken chamber of material through the bearing frame, and the bearing frame can carry out horizontal migration on the broken chamber of material, through the horizontal migration bearing frame, the distance of two rotation roller shafts of regulation that can relax, easy operation and easily measurement.

Because fixed mounting has a plurality of impellers on the roller that rotates, is provided with a plurality of impeller teeth that outwards stretch out on the impeller, is provided with the clearance between the adjacent impeller, and the clearance is greater than the thickness of impeller, and in the impeller intercrossing of two roller that rotate stretched into corresponding clearance, through increase the impeller on the roller that rotates, make the filter cake broken by original simple rolling increase the shearing of impeller tooth to the filter cake, make the filter cake crushing efficiency higher, the damaged effect is better moreover.

Because set up the erection angle between with adjacent impeller to make crisscross each other between the impeller, compensate each other, thereby realized the atress of multi-angle to the filter cake, made the filter cake damaged efficiency higher, the effect is better moreover.

Because set up the erection angle to 60, great erection angle, every impeller can't mutually support and form the multi-angle damaged, less erection angle, the filter cake can't be blocked into between the impeller tooth, does not play damaged effect.

Because the two sides of the material crushing cavity are provided with the baffle plates, the baffle plates are provided with the grooves for the impellers to pass through, the filter cakes can pass through the space between the two rotating rollers after entering the material crushing cavity due to the blocking of the baffle plates, and the filter cakes cannot overflow from the periphery of the rotating rollers, so that the filter cakes are crushed and lose efficacy.

The end parts of the impeller teeth are provided with the hooks, and the opening directions of the hooks face the rotating direction of the impeller, so that filter cakes can be hooked between the two rotating rollers more easily, and the crushing efficiency is accelerated.

The two rotating rollers are respectively driven by the motor and the reducer, and are driven by the single large motor instead of two motors, so that the rotating power of the two rotating rollers is larger, the speeds of the two rotating rollers can be adjusted to be different through the reducer, the slip phenomenon in the crushing process is artificially strengthened, the contact and detention time between the crushed filter cake and the rotating rollers is prolonged, and the whole crushing process is more perfect and effective.

Because the discharge port is arranged at the bottom of the material crushing cavity and positioned at the bottom of the two rotating roll shafts, the discharge port is connected with a conical or inverted triangular collecting port. Through collecting the mouth, can collect the good little cubic calcium carbonate of smashing between two live rollers to in time discharge prevents to pile up the jam that row material is not smooth and cause.

To sum up, the utility model discloses nanometer calcium carbonate filter cake reducing mechanism has solved among the prior art filter cake broken fineness singleness, the poor technical problem of adaptability, the utility model discloses can adjust the broken fineness of filter cake at any time according to the condition of filter cake, adaptability is high.

Drawings

FIG. 1 is a schematic structural diagram of the nano calcium carbonate filter cake crushing device of the present invention;

FIG. 2 is a schematic diagram of the material crushing chamber of FIG. 1;

FIG. 3 is a schematic structural view of the impeller of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 2;

in the figure: 10. the device comprises a material crushing cavity, 101, a positioning groove, 102, a step surface, 11, a feeding hole, 13, a discharging hole, 14, a bearing seat, 21, an end part, 23, an impeller, 231, impeller teeth, 24, a first motor, 25, a second motor, 28, a gap, 29 and a baffle plate.

Detailed Description

The invention is further explained below with reference to the drawings and examples.

All the orientations referred to in the present specification are based on the orientations shown in the drawings, and only represent relative positional relationships, not absolute positional relationships.

As shown in fig. 1, a nano calcium carbonate filter cake crushing device comprises a material crushing cavity 10, wherein a feeding hole 11 and a discharging hole 13 are oppositely arranged on the material crushing cavity 10. The feed inlet 11 is located at the top of the material crushing cavity 10, the feed inlet 11 is funnel-shaped, and the funnel-shaped feed inlet can better collect filter cakes conveyed by higher-level equipment. The discharge port 13 is arranged at the bottom of the material crushing cavity 10 and is opposite to the direction of the feed port 11, the discharge port 13 is connected with a conical or inverted triangular collecting port, and the crushed filter cake is collected through the collecting port and is discharged in time, so that the blockage of the nano calcium carbonate filter cake crushing device due to unsmooth discharge caused by accumulation of calcium carbonate particles can be effectively prevented.

As shown in fig. 1 and 2, two rotating roll shafts are horizontally and parallelly installed in the material crushing cavity 10, the rotating roll shafts are identical in shape and size, a space exists between the two rotating roll shafts, and the space between the two rotating roll shafts is over against the material inlet 11 and the material outlet 13. Two opposite side surfaces of the material crushing cavity 10 are respectively provided with a positioning groove 101, and the positioning grooves 101 are in a strip shape; below the positioning groove 101, the material crushing chamber 10 is provided with a step surface 102, and the step surface 102 is provided with a plurality of bolt mounting holes (not shown in the figure). Two end portions 21 of the two rotating roll shafts respectively penetrate through the positioning grooves 101 and are fixed on a step surface 102 outside the material crushing cavity 10 through the bearing seat 14, the bearing seat 14 can horizontally move on the step surface 102 through the fixed position of the adjusting bolt, and the horizontal movement of the bearing seat 14 drives the rotating roll shafts to move, so that the distance between the two rotating roll shafts is adjusted. The end parts of the two rotating roll shafts are respectively driven by a first motor 24 and a second motor 25 which are independent, the first motor 24 and the second motor 25 are respectively connected with the two rotating roll shafts through speed reducers, and the rotating directions of the two rotating roll shafts rotate oppositely. The two rotating rollers are driven by a single large motor, but not one motor drives the two rotating roller shafts, so that the rotating power of the two rotating roller shafts is larger, and the speeds of the two rotating roller shafts can be adjusted to be different through a speed reducer, thereby artificially strengthening the slip phenomenon in the crushing process, prolonging the contact and residence time between the crushed filter cake and the rotating roller shafts, and enabling the whole crushing process to be more perfect and effective.

As shown in fig. 1, 2, 3 and 4, the two rotating roller shafts are respectively and fixedly provided with a plurality of impellers 23, the impellers 23 are provided with a plurality of impeller teeth 231 extending outwards, the impeller teeth 231 are provided with hooks, and the opening directions of the hooks face the rotating direction of the impellers. Impeller tooth 231 evenly sets up around impeller 23 periphery, the utility model discloses the preferred is provided with threely, can also design into four or other quantity in the actual design, the utility model discloses do not do the restriction to this. Gaps 28 are arranged between adjacent impellers 23, the gaps 28 are larger than the thickness of the impellers 23, and the impellers 23 of the two rotating roll shafts are crossed with each other and extend into the corresponding gaps 28. Through the intercrossing of the impellers 23, the shearing of the impellers 23 is increased by the rolling between the two original simple rotating rollers in the filter cake crushing process, so that the filter cake crushing efficiency is higher, and the crushing effect is enhanced. A plurality of impellers 23 of every installation on the rotation roller axle are provided with the erection angle between the adjacent impeller 23, make crisscross each other between the impeller 23 through the erection angle, compensate each other to realized the atress of multi-angle to the filter cake, thereby made the filter cake crushing efficiency higher. Because the installation angle is different, the easiness of the filter cake entering the two rotating roll shafts can be directly influenced, the installation angle is preferably 60 degrees in the embodiment, the filter cake is more easily clamped by the impeller teeth 231 of the impeller 23 under the installation angle, and the filter cake is pushed to enter the space between the two rotating roll shafts, in the actual design, the installation angle can be adjusted according to the size of the impeller, and the filter cake can be designed to be 180 degrees or 90 degrees, and the like, and the installation angle is not limited in the embodiment.

As shown in fig. 2, baffles 29 are arranged on two sides of the material crushing chamber 10, grooves for the impellers 23 to pass through are formed in the baffles 29, and filter cakes can pass through the space between the two rotating rollers after entering the material crushing chamber 10 due to the blocking of the baffles 29, so that the filter cakes cannot overflow from the peripheries of the rotating rollers, and the filter cakes are crushed and lose efficacy.

As shown in fig. 1, fig. 2 and fig. 3, the working flow of the nano calcium carbonate filter cake crushing device of the present invention is as follows:

in the first step, the distance between the two rotating rollers is adjusted by adjusting the bearing seat 14 according to the humidity of the filter cake and the requirements of the process.

And secondly, a filter cake enters the material crushing cavity 10 from the feeding hole 11, and falls on the two rotating roller shafts by virtue of gravity.

And thirdly, the first motor 24 and the second motor 25 respectively drive the two rotating rollers to rotate oppositely, the impellers 23 on the two rotating rollers rotate along with the two rotating rollers, the impeller teeth 231 on the impellers 23 catch the filter cake to continuously enter the space between the two rotating rollers, and the filter cake is crushed under the double actions of roller grinding and impeller shearing.

And fourthly, throwing out the crushed filter cakes along the rotating tangential direction of the rotating roller shaft, and discharging the filter cakes through a collecting port to enter the next procedure.

The utility model discloses nanometer calcium carbonate filter cake reducing mechanism can adjust the distance between the rotation roller bearing through the convenient pair of bearing frame to the crushing fineness of control filter cake, easy operation and easy control have improved nanometer calcium carbonate filter cake reducing mechanism's application scope greatly, and this device is difficult for blockking up moreover, and crushing efficiency is high, has very big economic benefits.

The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative labor from the above conception, and all the changes fall within the protection scope of the present invention.

Claims

1. The utility model provides a nanometer calcium carbonate filter cake reducing mechanism, includes the broken chamber of material, be provided with relative feed inlet and the discharge gate that sets up on the broken chamber of material, the broken intracavity parallel mount of material has two the same live-rollers axle, two live-rollers axle is rotatory in opposite directions, two there is the interval between the live-rollers axle, its characterized in that, the interval can be through adjusting two the mounted position of live-rollers axle adjusts.

2. The nano calcium carbonate filter cake crushing device of claim 1, wherein the material crushing cavity is provided with a positioning groove, the positioning groove is shaped like a long strip, the end parts of the two rotating roll shafts penetrate through the positioning groove and are fixed outside the material crushing cavity through a bearing seat, and the bearing seat can horizontally move on the material crushing cavity.

3. The nano calcium carbonate filter cake crushing device according to claim 1, wherein a plurality of impellers are fixedly arranged on the rotating roll shafts, a plurality of impeller teeth extending outwards are arranged on each impeller, a gap is arranged between every two adjacent impellers, the gap is larger than the thickness of each impeller, and the impellers of the two rotating roll shafts are crossed with each other.

4. The nano calcium carbonate filter cake crushing device according to claim 3, wherein an installation angle is arranged between adjacent impellers.

5. The nano calcium carbonate filter cake crushing device according to claim 4, wherein the installation angle is 60 °.

6. The nano calcium carbonate filter cake crushing device according to claim 3, wherein baffle plates are arranged on two sides of the material crushing cavity, and grooves for the impellers to pass through are formed in the baffle plates.

7. The nano calcium carbonate filter cake crushing device according to claim 3, wherein the impeller teeth are provided with hooks, and the opening direction of the hooks faces the rotation direction of the impeller.

8. The nano calcium carbonate filter cake crushing device of claim 7, wherein the impeller teeth are evenly arranged in three around the impeller.

9. The nano calcium carbonate filter cake crushing device according to claim 1, wherein the two rotating rollers are respectively driven by an independent motor and a speed reducer.

10. The nano calcium carbonate filter cake crushing device according to claim 1, wherein the discharge port is arranged at the bottom of the material crushing cavity and at the bottoms of the two rotating roller shafts, and a conical or inverted triangular collection port is connected to the discharge port.