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Microwave digestion instrument

A digestion instrument and microwave technology, applied in the field of microwave digestion instrument, can solve the problems of high motor requirements, long induction cable, easy damage of motor, etc., and achieve the effect of eliminating cross-contamination, prolonging service life and improving digestion quality

Inactive Publication Date: 2012-04-25
黄庭国
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] The technical problem to be solved by the present invention is to overcome the problems in the prior art that the induction cable is too long, easy to wear and wind, high requirements on the motor, easy to damage the motor, low quality of sample digestion and easy cross-contamination of samples, etc., to provide a new type of microwave Digester

Method used

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Embodiment Construction

[0029] Embodiments of the present invention will be described with reference to the accompanying drawings. In the drawings of the specification, elements or devices having similar structures or functions will be denoted by the same reference numerals. The drawings are only for the convenience of illustrating various embodiments of the present invention, and are not intended to describe the present invention exhaustively, nor limit the scope of the present invention.

[0030] In one embodiment of the present invention, the turntable 1 is set in a microwave digestion instrument, and one or more digestion tanks are placed on the turntable. The main control airtight digestion tank 2 is connected with a pressure sensor 3, and the pressure sensor 3 includes a piezoelectric crystal 31. The piezoelectric crystal 31 is installed on the top of the main control airtight digestion tank 2 through a threaded connection, and is installed on the top of the furnace chamber 7 through a shielded...

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Abstract

The invention discloses a microwave digestion instrument composed of a rotary table and a digestion pot disposed on the rotary table. The top of the digestion pot is provided with a warm pressing conjunction box able to rotate freely, and the digestion pot is equipped with sensors that are in connection with the warm pressing conjunction box. The invention substantially shortens the length of a warm pressing controlling cable so as to eliminate the disadvantages brought by an overlong control cable, and avoids motor damage caused by overlarge starting current and starting moment of a rotary table motor due to frequent direction change, thus extending the motor service life. The instrument of the invention improves the uniformity of a sample in microwave energy receiving, enhances the work pressure and temperature of the instrument, and is in favor of improving the digestion quality of the sample. Besides, the instrument eliminates cross contamination of samples in a master control pot.

Description

technical field [0001] The invention relates to a microwave digestion instrument, in particular to a microwave digestion instrument with a temperature and pressure detection device applied in the field of analytical chemistry. Background technique [0002] With the advancement of the chemical industry, microwave digestion of samples has been widely used in the field of analytical chemistry. The rationality of the design and installation technology of the temperature and pressure monitoring device in the microwave digestion instrument directly affects the working performance, safety and service life of the instrument. [0003] Generally speaking, when the microwave digestion instrument is working, no matter how many samples are digested at a time, there must be a master digestion tank. The measured temperature and pressure in the main control digestion tank basically represent the temperature and pressure of other digestion tanks. PT-100 temperature sensor is generally used...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J19/12G01N1/44
Inventor 黄庭国
Owner 黄庭国
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