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Material isothermal heating system for laboratory and control method thereof

A technology for isothermal heating and laboratory use, which is applied in the direction of laboratory equipment, heating or cooling equipment, chemical instruments and methods, etc. It can solve the problems of failure to achieve the experimental purpose and differences in material characteristics, so as to reduce the residence time and increase the accuracy. , to ensure the effect of uniformity

Active Publication Date: 2021-11-09
HENAN ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Material heating is one of the common material processing methods in the laboratory. When heating materials, especially granular and powdery materials, if the temperature difference in the material exceeds the allowable range, the characteristics of the processed materials will be quite different. Cannot achieve the purpose of the experiment

Method used

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  • Material isothermal heating system for laboratory and control method thereof

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Embodiment Construction

[0028] like figure 1 , The present invention proposes a laboratory materials isothermal heating system comprising a heating furnace 2 and a carrier gas circulation system; external source of carrier gas passes through the valve 12 communicates the heating furnace 11 and the first carrier the second carrier gas valve 2, the carrier gas inlet 201; carrier gas recirculation system 8 comprises a gas compressor, a reservoir bag 5, the filter 6 and the condenser 4 and the like, the carrier gas outlet 202 of the heating furnace 4 passes through the condenser, and a gas filter 6 the compressor 8 is connected between the two valves carrier. Filter 6 is also connected between the gas compressor and with a drain valve 8 of the intake valve 517 and the reservoir bag 5. Wherein the reservoir bag 5 during normal operation, the storage bag of the intake valve 515 is opened, the cycle is the carrier gas does not enter the reservoir bag 5, the storage bag 5 from the buffer; when the gas circulatio...

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Abstract

The invention discloses a material isothermal heating system for a laboratory. The material isothermal heating system comprises a heating furnace and a carrier gas circulating system; an external carrier gas source communicates with a carrier gas inlet of the heating furnace through a first carrier gas valve and a second carrier gas valve in sequence; the carrier gas circulating system comprises a gas compressor, a gas storage bag, a filter and a condenser, and a carrier gas outlet of the heating furnace is connected between the two carrier gas valves through the condenser, the filter and the gas compressor in sequence; and an emptying valve and a gas inlet valve of the gas storage bag are also connected between the filter and the gas compressor. According to the system, materials are heated through convection heat exchange by utilizing hot carrier gas, meanwhile, the furnace wall with the same temperature as the carrier gas heats the materials through radiation at the same time, the temperature rise uniformity of the materials is improved, and the heating efficiency of the materials is improved.

Description

Technical field [0001] The present invention is in the field of heat treatment of materials, particularly relates to a heating system and a temperature control method of a laboratory like material. Background technique [0002] Heating the material is one material commonly performed laboratory treatment, during heating the material, in particular granular, powdered materials, if the material temperature difference exceeds the allowable range, the processing characteristics of the material will vary greatly, reach the purpose of the experiment. In the conventional heating apparatus laboratory tube furnace, muffle furnace or the like, heating by conduction, radiation-based, which led to the sample surface or the temperature of the material in contact with the wall than other portions, the temperature gradient inside the material large, external heating material has reached the required temperature has not reached the interior of the requirements. In particular for the analysis of v...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27B17/02B01L7/00
CPCF27B17/02B01L7/52
Inventor 杨树华李在峰关倩王新张竟月何晓峰岳增合张孟举
Owner HENAN ACAD OF SCI
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