Evacuating device of temperature thermocouple casing of photovoltaic polycrystalline silicon ingot casting furnace

A technology of polycrystalline silicon ingot furnace and temperature measuring thermocouple, which is applied in the direction of polycrystalline material growth, single crystal growth, crystal growth, etc. The furnace cannot be used normally and other problems, so as to shorten the ingot casting cycle, improve the ingot quality, and quickly vacuumize
CN101942697BInactive Publication Date: 2012-11-14TSINGHUA UNIV +2
7 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
TSINGHUA UNIV
Publication Date
2012-11-14
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
Patent Text Reader

Abstract

The invention relates to an evacuating device of a temperature thermocouple casing of a photovoltaic polycrystalline silicon ingot casting furnace, belonging to the technical field of evacuating automation of the photovoltaic polycrystalline silicon ingot casting furnace and comprising a temperature-controlling temperature thermocouple casing, an over-temperature protection temperature thermocouple casing, a vacuum pump set, a casing evacuating valve, a temperature-controlling temperature thermocouple hand-operated valve, an over-temperature protection temperature thermocouple hand-operated valve, an evacuating valve and a vent valve, wherein the temperature-controlling temperature thermocouple casing, the over-temperature protection temperature thermocouple casing and the vacuum pump setare communicated by utilizing the casing evacuating valve through a vacuum pipeline; a photovoltaic polycrystalline silicon ingot casting furnace cavity is communicated with the vacuum pump set by utilizing the evacuating valve through the vacuum pipeline; the vent valve is connected on the vacuum pipeline; the top of the furnace body is fixed on the upper end of the temperature-controlling temperature thermocouple casing, and the lower end of the temperature-controlling temperature thermocouple casing is inserted into a heat insulation cover of a heater through a heat insulation board; and the over-temperature protection temperature thermocouple casing is fixed on the furnace body and inserted into the furnace cavity. The invention can ensure that the evacuating speed of the integral equipment is enhanced; leak points can be quickly found; the ingot casting period is shortened; and the ingot casting quality is enhanced.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention belongs to the technical field of vacuuming automation for a photovoltaic polysilicon ingot furnace, and relates to a thermocouple sleeve vacuuming device for a photovoltaic polysilicon ingot furnace. Background technique

[0002] Solar energy is the most important basic energy among various renewable energy sources. Biomass energy, wind energy, ocean energy, water energy, etc. all come from solar energy. Broadly speaking, solar energy includes the above-mentioned various renewable energy sources. As a kind of renewable energy, solar energy refers to the direct conversion and utilization of solar energy. Converting solar radiant energy into thermal energy through a conversion device belongs to solar thermal utilization technology, and then using thermal energy to generate electricity is called solar thermal power generation; converting solar radiant energy into electrical energy through a photoelectric conversion device belongs to solar p...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More