CN212320293U - Dry depolymerizer of light calcium carbonate - Google Patents

Abstract

The utility model discloses a dry depolymerizer of light calcium carbonate relates to light calcium carbonate production technical field, including horizontal barrel, install in the horizontal barrel by motor drive pivoted main shaft and be equipped with depolymerization district and row material district along the main shaft axial in proper order, be equipped with the feed inlet bin outlet on the horizontal barrel, horizontal barrel distolateral side is equipped with the reposition of redundant personnel disc, the reposition of redundant personnel disc includes rotates the disk seat of being connected with the main shaft, be equipped with the ring channel around the main shaft setting on the disk seat, the tank bottom of ring channel is equipped with the air intake, air intake connection has the air heater, coaxial rigid coupling has the dish lid on the main shaft, the dish lid lock is on ring channel opening, the dish is covered and is. The utility model provides a dry and the depolymerization inefficiency of light calcium carbonate among the prior art, the poor technical problem of finished product powder quality, the utility model discloses can carry out high-efficient depolymerization and drying to light calcium carbonate powder high quality after the depolymerization, difficult reunion.

Description

Dry depolymerizer of light calcium carbonate

Technical Field

The utility model relates to a light calcium carbonate technical field, in particular to dry depolymerizer of light calcium carbonate.

Background

The drying process is commonly used in the depolymerization process of the light calcium carbonate, the drying method of the light calcium carbonate at present comprises drying methods such as a rotary drum dryer, a disc dryer, a multilayer chain dryer, a flash evaporation dryer and the like, a heat source is steam, heat conducting oil, hot air and the like, the drying process of the dryer is independent of the depolymerization process of the light calcium carbonate, so that the total process flow of the light calcium carbonate becomes complex, and the light calcium carbonate is difficult to be integrally prepared into qualified powder. 1. The hot air can not uniformly enter the depolymerization zone, so that the depolymerization and drying degrees of the materials are different, and if the difference of the materials is homogenized for a prolonged time, the production efficiency is reduced. 2. Because the air inlet is only provided with one air inlet, the caliber of the air inlet needs to be large to meet the requirement of hot air supply, and when the hot air supply is stopped, materials can easily enter the pipeline through the air inlet to cause blockage.

Disclosure of Invention

To above defect, the utility model aims at providing a dry depolymerizer of light calcium carbonate aims at solving the technical problem that light calcium carbonate is dry and depolymerize inefficiency, finished product powder quality is poor.

In order to solve the technical problem, the technical scheme of the utility model is that:

the utility model provides a dry depolymerizer of light calcium carbonate, including horizontal barrel, install the main shaft by motor drive pivoted in the horizontal barrel, be equipped with depolymerization district and row material district along the main shaft axial in proper order in the horizontal barrel, be equipped with the feed inlet that is used for communicateing the depolymerization district on the horizontal barrel and be used for communicateing the bin outlet of arranging the material district, one side that horizontal barrel was equipped with the depolymerization district is equipped with the reposition of redundant personnel disc, the reposition of redundant personnel disc includes the disk seat of being connected with the main shaft rotation, be equipped with the ring channel that sets up around the main shaft on the disk seat, the tank bottom of ring channel is equipped with the air intake, air intake connection has the air heater, coaxial rigid coupling has the dish lid on the main shaft, dish lid lock is on.

Wherein, the annular groove is equipped with three, and three annular groove is radial along the disk seat and is the lantern ring formula interval arrangement setting.

Wherein, be equipped with the sealed annular around the dish seat center setting between two adjacent ring channels, be equipped with the sealing ring with sealed annular complex on the dish lid.

Wherein, the air inlets of the three annular grooves are respectively connected with an air inlet pipe, the air inlet pipe is provided with a speed regulating valve, and the three air inlet pipes are connected on the same main pipe.

Wherein the depth of the vent hole is 10-15 cm.

Wherein, be equipped with the dispersion disc of rigid coupling on the main shaft in the depolymerization district, dispersion disc is arranged a plurality ofly along the main shaft axial, and the periphery of dispersion disc is along the radial rigid coupling of main shaft has a plurality of blades.

Wherein, the feed inlet is connected in former feed bin through screw conveyer.

Wherein, the bin outlet is connected with the sack cleaner, and the air exit of sack cleaner is connected with high-pressure draught fan, and the dust collecting opening of sack cleaner communicates the finished product storehouse.

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

because the main shaft is installed to the horizontal barrel of light calcium carbonate drying depolymerization device and depolymerization district and row of material district are equipped with in proper order along the main shaft axial, one side that the horizontal barrel was equipped with the depolymerization district is equipped with the reposition of redundant personnel disc, the disk seat of reposition of redundant personnel disc rotates and cup joints on the main shaft, be equipped with the ring channel on the disk seat, the tank bottom of ring channel is equipped with the air intake, the air intake is connected with the air heater, coaxial rigid coupling has the dish lid on the main shaft, the dish lid lock is on the ring channel opening, be equipped with the exhaust hole of a plurality of intercommunication ring. When the material that enters into the depolymerization district is through the depolymerization, the air heater is towards the leading-in hot-blast of air intake, the hot-blast back of entering into the ring channel blows in the box from a plurality of exhaust holes, make the depolymerization district can be even get into hot-blast, hot-blast and material maximize's intermix, make the material collide each other, cut, reach the purpose that the filter cake is smashed and is refined, greatly increased the area of material and hot-air contact, make the material depolymerize in the twinkling of an eye, and along with the disk cover is at the in-process along with main shaft rotation, a plurality of exhaust hole circulations are just right with the air intake, make a plurality of exhaust hole circulations receive the vertical blow from the air heater, can the high efficiency blow out outside the exhaust hole after the material enters into the.

The three annular grooves are arranged in a manner of a lantern ring at intervals along the radial direction of the disk seat, so that the uniformity of hot air introduction is further improved.

To sum up, the utility model provides an among the prior art light calcium carbonate drying with depolymerize the technical problem that inefficiency, finished product powder quality are poor, the utility model discloses can carry out high-efficient depolymerization and drying to light calcium carbonate powder high quality after the depolymerization, difficult reunion.

Drawings

FIG. 1 is a schematic structural diagram of a light calcium carbonate drying and depolymerizing device of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic view of the split disk of fig. 1, showing the split disk.

In the figure, 1-horizontal cylinder, 10-main shaft, 11-depolymerization zone, 110-dispersion disc, 111-blade, 12-discharge zone, 13-disc seat, 130-ring groove, 131-air inlet, 132-sealing ring groove, 14-disc cover, 140-exhaust hole, 141-sealing ring, 2-hot air blower, 20-air inlet pipe, 3-raw material bin, 30-screw conveyor, 4-bag dust collector, 40-high pressure draught fan.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

The directions referred to in the description are based on the directions of the light calcium carbonate drying and depolymerizing device in normal operation, and the directions of the device in storage and transportation are not limited, and only represent relative position relations, but not absolute position relations.

As shown in fig. 1, a light calcium carbonate drying and depolymerization device, comprises a horizontal cylinder 1, the horizontal cylinder 1 is a sealed cylinder, a main shaft is installed in the horizontal cylinder 1, two ends of the main shaft are respectively connected to the front end and the rear end of the horizontal cylinder 1, the main shaft is driven by a motor to rotate, a depolymerization zone 11 is arranged in the front end of the horizontal cylinder 1, a material inlet is arranged at the top of the front end and connected to a raw material bin 3 through a screw conveyor 30, a material discharge zone 12 is arranged in the rear end of the horizontal cylinder 1 and provided with a tapered channel at the rear end, a material discharge port is arranged at the tapered port of the tapered channel and connected with a bag-type dust remover 4, an air outlet of the bag-type dust remover 4 is connected with a high-pressure induced draft fan 40, and a.

As shown in fig. 1 and fig. 2, the front end of the horizontal cylinder 1 is a shunting disc, the shunting disc includes a disc base 13 and a disc cover 14, the disc base 13 is connected with the main shaft through a bearing seal ring, the disc base 13 is provided with an annular groove 130 arranged around the main shaft, an opening of the annular groove 130 is located on an inner end face of the disc base 13, an air inlet 131 is arranged on an outer end face of the disc base 13, the air inlet 131 is connected with the hot air blower 2, the hot air blower 2 is composed of a hot air furnace and a blower, an air outlet of the blower is connected to the hot air furnace, and an air outlet of the hot air furnace. The disc cover 14 is fixedly connected with the spindle in a coaxial mode, a groove is formed in the inner end face of the disc base 13, the disc cover 14 is rotatably clamped in the groove, the end face of the disc cover 14 is attached to the opening of the annular groove 130 to form the density of the annular groove 130, a plurality of exhaust holes 140 are formed in the disc base 13, the exhaust holes 140 are through holes and used for being communicated with the annular groove 130, the number of the exhaust holes 140 is 6-24, the depth of the exhaust holes 140 is 15-20cm, and the exhaust holes 140 are arranged in a circumferential mode. In the operation process, the motor drives the main shaft to rotate, a plurality of dispersing disks 110 fixedly connected to the main shaft are arranged in the depolymerization zone 11, the dispersing disks 110 are axially arranged along the main shaft, a plurality of blades 111 are fixedly connected to the periphery of the dispersing disks 110 along the radial direction of the main shaft, materials entering the depolymerization zone 11 are scattered by the dispersing disks 110 and the blades 111, hot air is blown into a hot air port by the hot air blower 2, the hot air enters the annular groove 130 and then is blown into the box body from the exhaust holes 140, the depolymerization zone 11 can uniformly enter the hot air, the hot air and the materials rotate together with the rotation of the dispersing disks 110 and the blades 111 and are mixed with each other, so that the materials collide with each other and are sheared, the purpose of crushing and refining filter cakes is achieved, the contact area of the materials and the hot air is greatly increased, and.

As shown in fig. 1, in the process that the tray cover 14 rotates along with the main shaft, the plurality of exhaust holes 140 are circularly opposite to the air inlet 131, so that the plurality of exhaust holes 140 are circularly directly blown by the hot air blower 2, and the material can be efficiently blown out of the exhaust holes 140 after entering the exhaust holes 140, thereby effectively preventing the exhaust holes 140 from being blocked or entering the annular groove 130 through the exhaust holes 140.

As shown in fig. 3, three annular grooves 130 are provided, which are a first annular channel, a second annular channel and a third annular channel in sequence from the center to the periphery of the disk seat 13, the three annular grooves 130 are arranged at intervals in a manner of a collar, two sealing ring grooves 132 are provided on the inner end surface of the disk seat 13, the two sealing ring grooves 132 are respectively located between two adjacent annular grooves 130, two sealing rings 141 are provided on the disk cover 14, when the disk cover 14 is fastened on the disk seat 13, the sealing rings 141 correspondingly enter the sealing ring grooves 132 to form sealing, so as to reduce the transfer of hot gas between the three annular grooves 130, the air inlets 131 of the three annular grooves 130 are respectively connected with an air inlet pipe 20, the air inlet pipe 20 is provided with a speed regulating valve, the three air inlet pipes 20 are connected to the same header pipe, the first annular channel corresponds to 6 exhaust holes 140 on the disk cover 14, the second annular, the third annular channel corresponds to 24 exhaust holes 140 on the tray cover 14, so that hot air is more uniformly injected into the depolymerization zone 11.

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 (8)

1. A light calcium carbonate drying and depolymerizing device comprises a horizontal cylinder body, a main shaft driven by a motor to rotate is arranged in the horizontal cylinder body, a depolymerization zone and a discharge zone are sequentially arranged in the horizontal cylinder along the axial direction of the main shaft, a feed inlet for communicating the depolymerization zone and a discharge outlet for communicating the discharge zone are arranged on the horizontal cylinder, it is characterized in that one side of the horizontal cylinder body, which is provided with the depolymerization zone, is provided with a shunt disc, the shunt disc comprises a disc seat which is rotationally connected with the main shaft, the disc seat is provided with an annular groove arranged around the main shaft, the bottom of the annular groove is provided with an air inlet, the air inlet is connected with an air heater, the main shaft is coaxially and fixedly connected with a disc cover, the disc cover is buckled on the opening of the annular groove, the disc cover is provided with a plurality of exhaust holes communicated with the annular groove, and the exhaust holes are uniformly distributed in an annular shape.

2. The apparatus for drying and depolymerizing light calcium carbonate according to claim 1, wherein there are three annular grooves, and the three annular grooves are annularly spaced along a radial direction of the disk seat.

3. The apparatus according to claim 2, wherein a sealing ring groove is formed around the center of the disk seat between two adjacent annular grooves, and a sealing ring is arranged on the disk cover and is matched with the sealing ring groove.

4. The apparatus according to claim 2, wherein the inlets of the three annular grooves are connected with an air inlet pipe, the air inlet pipe is provided with a speed control valve, and the three air inlet pipes are connected to a same main pipe.

5. The apparatus for drying and depolymerizing light calcium carbonate according to claim 1, wherein the depth of the exhaust hole is 10-15 cm.

6. The apparatus according to claim 1, wherein a plurality of dispersing disks are disposed in the depolymerization zone and fixed to the main shaft, the plurality of dispersing disks are arranged along the axial direction of the main shaft, and a plurality of blades are fixed to the periphery of the dispersing disks along the radial direction of the main shaft.

7. The apparatus according to claim 1, wherein the feed inlet is connected to the raw material bin by a screw conveyor.

8. The light calcium carbonate drying and depolymerizing device of claim 1, wherein the discharge port is connected with a bag-type dust remover, the air outlet of the bag-type dust remover is connected with a high-pressure induced draft fan, and the dust collecting port of the bag-type dust remover is communicated with a finished product bin.

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