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Self-air-return digestion device

A digestion device, self-returning technology, applied in measurement devices, sampling, instruments, etc., can solve problems affecting digestion efficiency and cost, etc.

Pending Publication Date: 2022-03-01
CHINESE RES ACAD OF ENVIRONMENTAL SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention solves the technical problems that the digestion process in the prior art requires manual stirring, which affects the digestion efficiency and raises the related cost, and further provides a self-returning gas digestion device

Method used

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Embodiment

[0025] This embodiment provides a self-returning gas digestion device, such as figure 1 with figure 2 As shown, it includes: a heating device 1, the heating device 1 is a rectangular box, and a heat transfer medium groove 6 is arranged on the heating device 1, and the heat transfer medium groove 6 is set on the top of the box body On the surface, an electric heater is arranged in the box, and the heating tube 2 of the electric heater is arranged in the wall of the heat transfer medium tank 6 for heating the heat transfer medium. The top of the heat transfer medium tank 6 is provided with container placement holes, and the container placement holes are provided in 4 rows, 4 in each row, 16 in total.

[0026] The sealing cover 3 is installed on the top of the heating device 1 in a detachable manner. In this embodiment, the sealing cover 3 is directly placed on the upper surface of the box of the heating device 1, and can be removed from the box. As an optional implementation,...

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Abstract

The invention belongs to the technical field of laboratory instruments and equipment, and particularly relates to a self-air-return digestion device which comprises a heating device, a heat transfer medium groove is formed in the heating device, a container containing hole is formed in the top end of the heating device, a sealing cover is detachably placed above the heating device, and the heat transfer medium groove is located in the sealing cover. The multiple condensation pipes are inserted into openings in the top ends of the multiple digestion containers respectively, the exhaust pipeline is communicated with the lower end of the air return pipe, the upper portion of the air return pipe is communicated with the upper end of the air adding pipe, and the lower end of the air adding pipe penetrates through the condensation pipes and extends into the digestion containers. Compared with the prior art, volatile gas can be exhausted through the exhaust pipeline on the sealing cover, so that a protection effect can be achieved, and meanwhile, the exhaust pipeline is connected with the gas return pipe, so that the gas returns to the digestion container again to stir a sample.

Description

technical field [0001] The invention belongs to the technical field of laboratory instruments and equipment, and in particular relates to a self-returning gas digestion device suitable for oil bath heating and water bath heating. Background technique [0002] The digestion device is one of the commonly used equipment in the laboratory, which can be used for the pretreatment of various samples such as water samples, soil, and solid waste. The heating method of the digestion device in the prior art mainly adopts any one of water bath heating, oil bath heating and microwave heating, and the sample is digested by heating, so that the next elemental analysis can be carried out. [0003] The structure of the water bath heating digestion device and the oil bath heating digestion device is roughly similar, usually including a heating device and a water bath / oil bath heating tank, and the automatic temperature control device keeps the water bath / oil bath at a constant temperature for...

Claims

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Application Information

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IPC IPC(8): G01N1/40
CPCG01N1/4044
Inventor 刘晓雪曹莹李强刘亚峰高存富宫健周密
Owner CHINESE RES ACAD OF ENVIRONMENTAL SCI
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