CN212179446U

CN212179446U - Heating and drying device for raw material powder of silicon single crystal rod

Info

Publication number: CN212179446U
Application number: CN202021005508.8U
Authority: CN
Inventors: 张秀芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2020-12-18
Anticipated expiration: 2030-06-04

Abstract

The utility model provides a heating and drying device for raw material powder of a silicon single crystal rod, which comprises a fixed support, a stirring motor, a shaft coupling, a feeding hopper, a heat preservation sleeve, a drying tank, a rotating shaft, a stirring frame, an electric heating plate and an evaporation tube, wherein the drying tank is arranged on the upper side of the fixed support, the heat preservation sleeve is sleeved on the annular side surface of the drying tank, the stirring motor is arranged on the upper side of the drying tank, the shaft coupling is arranged at the joint of the stirring motor and the drying tank, the feeding hopper is fixed on the left side of the annular side surface of the drying tank, the evaporation tube is fixed on the right side of the upper end surface of the drying tank, the electric heating, this design has solved the lower problem of original single crystal silicon rod raw materials powder heating drying device heating drying efficiency, the utility model discloses rational in infrastructure, rate of heating is fast, and drying efficiency is high.

Description

Heating and drying device for raw material powder of silicon single crystal rod

Technical Field

The utility model relates to a single crystal silicon rod raw materials powder heating drying device belongs to single crystal silicon rod raw materials processing equipment technical field.

Background

Monocrystalline silicon is a relatively active non-metallic element, is an important component of crystal materials, and is in the front of the development of new materials. The solar photovoltaic power generation and heat supply semiconductor material is mainly used as a semiconductor material and utilizes solar photovoltaic power generation, heat supply and the like. Since solar energy has the advantages of cleanness, environmental protection, convenience and the like, in the last thirty years, solar energy utilization technology has been developed greatly in the aspects of research and development, commercial production and market development, and becomes one of the new industries of rapid and stable development in the world, and a silicon single crystal rod is formed by shaping or pulling in a hearth through a zone melting or czochralski process. A heating and drying device for raw material powder of the silicon single crystal rod is needed in the processing and production process of the silicon single crystal rod.

In the prior art, the existing heating and drying device for the raw material powder of the silicon single crystal rod is not good enough in the using process, the heating effect on the raw material powder is not good enough, the heating and drying efficiency is not high enough, the moisture evaporation speed is slow, the processing and production efficiency of the silicon single crystal rod is reduced, and the problem that the raw material powder of the silicon single crystal rod is heated and dried by the heating and drying device is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a single crystal silicon rod raw materials powder heating drying device to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure, rate of heating is fast, and drying efficiency is high.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a single crystal silicon rod raw materials powder heating drying device, is including being convenient for heat drying mechanism and fixed bolster, the fixed bolster upside is provided with the heat drying mechanism of being convenient for, the heat drying mechanism of being convenient for includes agitator motor, shaft coupling, feeder hopper, insulation cover, drying cabinet, axis of rotation, agitator frame, electrical heating board and evaporating pipe, the drying cabinet is installed to the fixed bolster upside, drying cabinet annular side cover is equipped with the insulation cover, the drying cabinet upside is provided with agitator motor, agitator motor installs the shaft coupling with the drying cabinet junction, drying cabinet annular side left side is fixed with the feeder hopper, drying cabinet up end right side is fixed with the evaporating pipe, the drying cabinet inner wall is fixed with the electrical heating board, the shaft coupling downside is connected with the axis of rotation, axis of rotation annular side is fixed with the agitator frame.

Further, the stirring motor and the electric heating plate are connected with an external power supply through leads.

Furthermore, the front side of the annular side face of the drying tank is provided with an observation window, and the observation window is made of high-temperature-resistant transparent glass.

Further, a discharge hole is formed in the lower side of the drying tank, and a protective mesh cover is sleeved on the upper end face of the evaporation tube.

Furthermore, the stirring frames are provided with a plurality of groups, and the stirring frames are symmetrically fixed on the left side and the right side of the annular side surface of the rotating shaft.

Further, the bearing is installed with the drying cylinder junction to the axis of rotation, the bearing specification matches with the axis of rotation specification.

Further, the insulation cover is connected with the drying tank through a welding mode, the stirring frame is connected with the rotating shaft through a welding mode, and the drying tank is connected with the fixed support through a welding mode.

The utility model has the advantages that: the utility model discloses a single crystal silicon rod raw materials powder heating drying device, because of the utility model discloses added agitator motor, shaft coupling, feeder hopper, insulation cover, drying chamber, axis of rotation, stirring frame, electrical heating board and evaporating pipe, this design can carry out quick drying process to single crystal silicon rod raw materials powder, has solved the lower problem of original single crystal silicon rod raw materials powder heating drying device heating drying efficiency, has improved the processing efficiency of the utility model.

Because of agitator motor and electric heating board are connected with external power supply through the wire, this design is convenient for provide electric power for agitator motor and electric heating board through external power supply, be provided with the observation window because of drying chamber annular side front side, the observation window adopts high temperature resistant clear glass material, this design is convenient for observe the drying chamber internal aspect through the observation window, the discharge gate has been seted up because of the drying chamber downside, evaporating pipe up end cover is equipped with the protection screen panel, the rationality of this design has been improved, be provided with the multiunit because of the agitator frame, and multiunit agitator frame symmetry is fixed in axis of rotation annular side left and right sides, this design makes the inside single crystal silicon rod raw materials powder of drying chamber evenly can be heated through the multiunit agitator frame, the utility model discloses rational in infrastructure, rate of heating is fast, drying.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of a single crystal silicon rod raw material powder heating and drying apparatus according to the present invention;

FIG. 2 is a schematic structural view of a mechanism for facilitating heating and drying in a single crystal silicon rod raw material powder heating and drying device according to the present invention;

FIG. 3 is a front sectional view of a mechanism for conveniently heating and drying the raw material powder of the single crystal silicon rod of the present invention;

in the figure: 1-conveniently heating and drying mechanism, 2-fixing support, 11-stirring motor, 12-coupler, 13-feed hopper, 14-heat-insulating sleeve, 15-drying tank, 16-rotating shaft, 17-stirring frame, 18-electric heating plate, 19-evaporating pipe, 151-observation window, 152-discharge hole, 161-bearing and 191-protective net cover.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a single crystal silicon rod raw materials powder heating and drying device, is provided with the heating and drying mechanism 1 of being convenient for including the heating and drying mechanism 1 of being convenient for and fixed

bolster

2, 2 upsides of fixed bolster.

It includes agitator motor 11 to be convenient for heat drying mechanism 1, the shaft coupling 12, feeder hopper 13, insulation cover 14, drying chamber 15, axis of rotation 16, agitator frame 17, electric heating board 18 and evaporating

pipe

19, 2 upsides of fixed bolster

install drying chamber

15, 15 annular side covers of drying chamber are equipped with

insulation cover

14, 15 upsides of drying chamber are provided with agitator motor 11, agitator motor 11 installs shaft coupling 12 with 15 junctions of drying chamber, 15 annular side left sides of drying chamber are fixed with

feeder hopper

13, 15 up end right sides of drying chamber are fixed with evaporating

pipe

19, 15 inner wall of drying chamber is fixed with

electric heating board

18, 12 downside of shaft coupling is connected with axis of

rotation

16, 16 annular side of axis of rotation is fixed with agitator frame 17, the lower problem of original silicon rod raw materials powder heat drying device heat drying efficiency has been solved in this design.

Agitator motor 11 and electric heating board 18 are connected with external power source through the wire, this design is convenient for provide electric power for agitator motor 11 and electric heating board 18 through external power source, 15 annular side front sides of drying cabinet are provided with observation window 151, observation window 151 adopts high temperature resistant clear glass material, this design is convenient for observe 15 inside conditions of drying cabinet through observation window 151, discharge gate 152 has been seted up to 15 downside of drying cabinet, 19 up end covers of evaporating pipe are equipped with protection screen panel 191, the rationality of this design has been improved, stirring frame 17 is provided with the multiunit, and the multiunit stirring frame 17 symmetry is fixed in the 16 annular side left and right sides of axis of rotation, this design makes 15 inside single crystal silicon rod raw materials powder of drying cabinet can be heated evenly through multiunit stirring frame 17.

Bearing 161 is installed with the dry can 15 junction to axis of rotation 16, bearing 161 specification and 16 specification phase-matches of axis of rotation, and this design is convenient for make axis of rotation 16 rotate inside dry can 15 through bearing 161, and insulation cover 14 is connected with dry can 15 through the welding mode, and stirring frame 17 is connected with axis of rotation 16 through the welding mode, and dry can 15 is connected with fixed bolster 2 through the welding mode, and this design has improved the steadiness of junction through the welding mode.

As an embodiment of the present invention: the worker firstly puts the raw material powder of the monocrystalline silicon rod into the drying tank 15 through the feed hopper 13, then the stirring motor 11 and the electric heating plate 18 are connected with an external power supply through leads, the stirring motor 11 and the electric heating plate 18 are electrified to work, the stirring motor 11 drives the rotating shaft 16 to rotate through the coupler 12, the rotating shaft 16 drives the stirring frame 17 to rotate, the raw material powder of the silicon single crystal rod in the drying tank 15 is stirred by the stirring frame 17, the raw material powder of the silicon single crystal rod is heated by the electric heating plate 18, the raw material powder of the single crystal silicon rod is uniformly heated in the drying tank 15 by the stirring of the stirring frame 17, the evaporated water vapor is emitted upwards after the heating, give off the external world through evaporating pipe 19, can keep warm to 15 inside protection processes that keep warm of drying can through insulation cover 14, realized single crystal silicon rod raw materials powder heating drying process, improved the utility model discloses a machining efficiency.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a single crystal silicon rod raw materials powder heating and drying device, includes the heating and drying mechanism and the fixed bolster of being convenient for, its characterized in that: a mechanism convenient for heating and drying is arranged on the upper side of the fixed support;

it includes agitator motor, shaft coupling, feeder hopper, insulation cover, drying cabinet, axis of rotation, stirring frame, electrical heating board and evaporating pipe to be convenient for heat drying mechanism, the drying cabinet is installed to the fixed bolster upside, drying cabinet annular side cover is equipped with the insulation cover, the drying cabinet upside is provided with agitator motor, agitator motor installs the shaft coupling with the drying cabinet junction, drying cabinet annular side left side is fixed with the feeder hopper, drying cabinet up end right side is fixed with the evaporating pipe, the drying cabinet inner wall is fixed with the electrical heating board, the shaft coupling downside is connected with the axis of rotation, axis of rotation annular side is fixed with the stirring frame.

2. The device of claim 1, wherein the heating and drying device comprises: the stirring motor and the electric heating plate are connected with an external power supply through leads.

3. The device of claim 1, wherein the heating and drying device comprises: the annular side front side of drying cylinder is provided with the observation window, the observation window adopts high temperature resistant transparent glass material.

4. The device of claim 1, wherein the heating and drying device comprises: the discharge gate has been seted up to the drying cabinet downside, evaporating pipe up end cover is equipped with the protection screen panel.

5. The device of claim 1, wherein the heating and drying device comprises: the stirring frames are provided with a plurality of groups, and the stirring frames are symmetrically fixed on the left side and the right side of the annular side surface of the rotating shaft.

6. The device of claim 1, wherein the heating and drying device comprises: the bearing is installed with the drying chamber junction to the axis of rotation, the bearing specification and axis of rotation specification phase-match.

7. The device of claim 1, wherein the heating and drying device comprises: the heat preservation cover is connected with the drying tank through a welding mode, the stirring frame is connected with the rotating shaft through a welding mode, and the drying tank is connected with the fixed support through a welding mode.