CN213873695U

CN213873695U - Calcium carbonate drying system

Info

Publication number: CN213873695U
Application number: CN202022792339.3U
Authority: CN
Inventors: 饶献勇; 王丹; 柯金凤; 张开荣; 何强
Original assignee: Yichang Furao New Material Technology Co ltd
Current assignee: Yichang Furao New Material Technology Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-08-03
Anticipated expiration: 2030-11-27

Abstract

The utility model provides a calcium carbonate drying system, including a drying section of thick bamboo, drying section of thick bamboo one end is equipped with the feed inlet, the other end is equipped with the bin outlet, be equipped with the pivot in the drying section of thick bamboo, the pivot is passed through the actuating mechanism drive, the pivot is the hollow shaft, be equipped with a plurality of exhaust holes in the pivot, pivot one end is equipped with the air inlet, drying section of thick bamboo tip is equipped with slow air cavity, the air inlet end setting of pivot is in slow air cavity, slow air cavity passes through the gas-supply pipe and is connected with the air heater, be equipped with an isolation section of thick bamboo in the drying section of thick bamboo, an isolation section of thick bamboo passes through the link and is connected with the pivot, an isolation section of thick bamboo lateral wall is equipped with the louvre, the isolation section of thick bamboo outside is equipped with the spiral delivery sheet. The system can realize hot air drying of calcium carbonate, and hot air circulation is even, improves drying efficiency.

Description

Calcium carbonate drying system

Technical Field

The utility model belongs to calcium carbonate processing equipment field, in particular to calcium carbonate drying system.

Background

Calcium carbonate is an inorganic compound, is a common substance on earth, exists in aragonite, calcite, chalk, limestone, marble, travertine and other rocks, is an important building material, and has wide industrial application.

The calcium carbonate raw material is cleaned and then dried to carry out subsequent processing procedures such as crushing, grinding and the like. The drying is carried out through natural air drying in the conventional production process, the efficiency is lower, and secondary pollution is possibly caused in the drying process.

CN206959523U provides a calcium carbonate drying mechanism, include tower body, feeding unit, heat supply subassembly and be used for the heating pipe for the heating of feeding subassembly, feed inlet and discharge gate have been seted up on the tower body, the tower body top is provided with the gas vent, feeding unit comprises a plurality of feeding subassembly end to end links up, and every feeding subassembly includes the carry over pinch rolls and sets up the conveyer belt on the carry over pinch rolls, feeding unit sets up in the tower body, and its one end is located feed inlet department, and the other end is located discharge gate department, the heat supply subassembly includes the heating cabinet, heating cabinet and tower body intercommunication, the one end that the tower body was kept away from to the heating cabinet still is provided with the fan.

The device realizes the drying of calcium carbonate through hot-blast, but the device does not turn the material in the dry process, and efficiency is lower.

Disclosure of Invention

The utility model aims to solve the technical problem that a calcium carbonate drying system is provided, realize the hot air drying to calcium carbonate, the circulation of hot air is even, improves drying efficiency.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a calcium carbonate drying system, including a drying section of thick bamboo, drying section of thick bamboo one end is equipped with the feed inlet, the other end is equipped with the bin outlet, be equipped with the pivot in the drying section of thick bamboo, the pivot is passed through the actuating mechanism drive, the pivot is the hollow shaft, be equipped with a plurality of exhaust holes in the pivot, pivot one end is equipped with the air inlet, drying section of thick bamboo tip is equipped with slow air cavity, the air inlet end setting of pivot is in slow air cavity, slow air cavity passes through the gas-supply pipe and is connected with the air heater, be equipped with an isolation section of thick bamboo in the drying section of thick bamboo, an isolation section of thick bamboo passes through the link and is connected with the pivot, an isolation section of thick bamboo lateral wall is equipped with the louvre, the isolation section of thick bamboo outside is equipped with the spiral delivery sheet.

In a preferred embodiment, the driving mechanism is a reduction motor.

In the preferred scheme, the diameter that keeps apart the one end of section of thick bamboo near the bin outlet is less than the diameter of the other end, keeps apart the one end that the section of thick bamboo is close to the bin outlet and is equipped with the blanking mouth.

In the preferred scheme, both ends are equipped with the support slide rail in the drying cylinder, keep apart a section of thick bamboo outer wall and be equipped with and support slide rail complex gyro wheel.

In the preferred scheme, the one end that the drying cylinder is close to the bin outlet is equipped with the air exit, and the air exit passes through the pipeline and connects gradually with dust removal mechanism and air exhauster.

The utility model provides a pair of calcium carbonate drying system carries out hot-blast transport through the pivot, improves the air feed homogeneity, keeps apart a section of thick bamboo through setting up, provides the air feed passageway at the material middle part, improves the contact with calcium carbonate to improve drying efficiency, carry the stirring to calcium carbonate through the spiral delivery sheet, improve drying efficiency and drying homogeneity through stirring calcium carbonate, realize continuous drying simultaneously.

Drawings

The invention will be further explained with reference to the following figures and examples:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the preferred overall structure of the present invention;

in the figure: the drying device comprises a drying cylinder 1, a rotating shaft 2, a driving mechanism 3, a gas pipe 4, an air heater 5, an isolation cylinder 6, a connecting frame 7, a spiral feeding plate 8, a slow gas cavity 9, a supporting slide rail 10, a roller 11, a dust removal mechanism 12, an exhaust fan 13, a feeding hole 101, a discharging hole 102, an air outlet 103, an exhaust hole 201, an air inlet 202, a heat dissipation hole 601 and a blanking hole 602.

Detailed Description

As shown in figure 1, a calcium carbonate drying system comprises a drying cylinder 1, one end of the drying cylinder 1 is provided with a feeding hole 101, the other end is provided with a discharging hole 102, a rotating shaft 2 is arranged in the drying cylinder 1, the rotating shaft 2 is rotatably arranged in the drying cylinder 1 through a bearing, the rotating shaft 2 is driven by a driving mechanism 3, in this embodiment, actuating mechanism 3 is gear motor, pivot 2 is the hollow shaft, be equipped with a plurality of exhaust holes 201 on the pivot 2, 2 one ends of pivot are equipped with air inlet 202, 1 tip of drying cylinder is equipped with slow gas chamber 9, the inlet end setting of pivot 2 is in slow gas chamber 9, slow gas chamber 9 passes through gas-supply pipe 4 and is connected with air heater 5, be equipped with an isolation section of thick bamboo 6 in the drying cylinder 1, an isolation section of thick bamboo 6 passes through link 7 and is connected with pivot 2, 6 lateral walls of an isolation section of thick bamboo are equipped with louvre 601, the aperture of louvre 601 is less than the size of calcium carbonate material, the isolation section of thick bamboo 6 outside is equipped with spiral feeding plate 8.

During the specific use, add the calcium carbonate raw materials in the cavity that isolation cylinder 6 and drying cylinder 1 formed from feed inlet 101, carry hot-air to pivot 2 in through air heater 5, carry to isolation cylinder 6 in through exhaust hole 201, carry to drying cylinder 1 in through louvre 601 on isolation cylinder 6, carry out hot air drying to calcium carbonate, start actuating mechanism 3 and drive pivot 2 and isolation cylinder 6 synchronous rotation, realize the transport of material under the transport of spiral feeding plate 8, turn over calcium carbonate simultaneously, calcium carbonate after the stoving is carried to bin outlet 102 and is discharged.

This system carries out hot-blast transport through pivot 2, improves the air feed homogeneity, through setting up isolation cylinder 6, provides the air feed passageway at the material middle part, improves the contact with calcium carbonate to improve drying efficiency, carry the stirring through spiral delivery sheet 8 to calcium carbonate, improve drying efficiency and drying homogeneity through stirring calcium carbonate, realize continuous drying simultaneously.

Preferably, as shown in fig. 2, the diameter of one end of the isolation cylinder 6 close to the discharge opening 102 is smaller than that of the other end, and a blanking opening 602 is arranged at one end of the isolation cylinder 6 close to the discharge opening 102.

In the drying process, a small amount of crushed slag falling into the isolation cylinder 6 can fall into the drying cylinder 1 through the heat radiation holes 601, and can also fall into the drying cylinder 1 from the blanking port 602 along the inclined slope of the isolation cylinder 6 to be discharged.

Preferably, the two ends in the drying cylinder 1 are provided with supporting slide rails 10, and the outer wall of the isolation cylinder 6 is provided with rollers 11 matched with the supporting slide rails 10.

The supporting slide rails 10 can be arc structures or annular structures distributed along the drying cylinder 1, and the stability of the rotation of the isolation cylinder 6 is improved through the matching of the supporting slide rails 10 and the rollers 11.

Preferably, an air outlet 103 is arranged at one end of the drying cylinder 1 close to the discharge opening 102, and the air outlet 103 is sequentially connected with the dust removing mechanism 12 and the exhaust fan 13 through a pipeline.

The dust removing mechanism 12 may be a bag-type dust remover.

Air in the drying cylinder 1 is pumped out by the exhaust fan 13, and is discharged after being dedusted by the dedusting mechanism 12, so that the discharged gas is prevented from containing a large amount of dust to influence the working environment.

Claims

1. A calcium carbonate drying system which characterized in that: including a drying section of thick bamboo (1), a drying section of thick bamboo (1) one end is equipped with feed inlet (101), the other end is equipped with bin outlet (102), be equipped with pivot (2) in a drying section of thick bamboo (1), pivot (2) are driven through actuating mechanism (3), pivot (2) are the hollow shaft, be equipped with a plurality of exhaust holes (201) on pivot (2), pivot (2) one end is equipped with air inlet (202), a drying section of thick bamboo (1) tip is equipped with slow air chamber (9), the inlet end setting of pivot (2) is in slow air chamber (9), slow air chamber (9) are connected with air heater (5) through gas-supply pipe (4), be equipped with an isolation section of thick bamboo (6) in a drying section of thick bamboo (1), an isolation section of thick bamboo (6) are connected with pivot (2) through link (7), isolation section of thick bamboo (6) lateral wall is equipped with louvre (601), isolation section of thick bamboo (6) outside is equipped with spiral delivery sheet (8).

2. The calcium carbonate drying system of claim 1, wherein: the driving mechanism (3) is a speed reducing motor.

3. The calcium carbonate drying system of claim 1, wherein: the diameter of one end, close to the discharge opening (102), of the isolation cylinder (6) is smaller than that of the other end of the isolation cylinder, and a blanking opening (602) is arranged at one end, close to the discharge opening (102), of the isolation cylinder (6).

4. The calcium carbonate drying system of claim 1, wherein: two ends in the drying cylinder (1) are provided with supporting slide rails (10), and the outer wall of the isolation cylinder (6) is provided with idler wheels (11) matched with the supporting slide rails (10).

5. The calcium carbonate drying system of claim 1, wherein: an air outlet (103) is formed in one end, close to the discharge opening (102), of the drying cylinder (1), and the air outlet (103) is sequentially connected with the dust removal mechanism (12) and the exhaust fan (13) through pipelines.