COD digestion system and use method thereof

An arrangement method and heating tank technology, applied in the field of COD digestion, can solve the problems affecting the consistency, accuracy and stability of the test results, and the inconsistency of the degree of sample oxidation and digestion, so as to achieve the effect of improving consistency and uniform heating temperature

Inactive Publication Date: 2021-11-02
石家庄静天环保仪器仪表供应有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this heating method is that the temperature in the middle area at the bottom of the heating box is high, and the temperature in other areas is low, resulting in a difference in the heating temperature between the sample placed in the middle of the heating box and the sample placed on the edge, usually at least 3 As a result, in the same detection process, the degree of oxidation and digestion of different samples is inconsistent, which affects the consistency, accuracy and stability of the test results.

Method used

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  • COD digestion system and use method thereof
  • COD digestion system and use method thereof
  • COD digestion system and use method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1, attached by specification Figure 1-4 It can be seen that a kind of COD digestion system and its use method of this program include a device casing 1, and a work hole 2 is opened on the device casing 1, and a heating tank 3 is arranged on the work hole 2, and the heating tank 3 is located in the The inside of the equipment casing 1 is provided with a heating and heat preservation mechanism;

[0027] The heating and heat preservation mechanism includes: a heating part, a control circuit and a timing unit;

[0028] The heating part is arranged on the heating tank 3, the control circuit and the timing unit are all arranged in the equipment casing 1, and the control circuit is electrically connected with the heating part and the timing unit respectively.

[0029] attached by the manual Figure 1-4 It can be seen that the above-mentioned heating part includes: winding heating wire 4 and thermal insulation cotton 5;

[0030] The winding heating wire 4 is woun...

Embodiment 2

[0035] Embodiment 2, attached by specification Figure 1-4 It can be known that this program is a COD digestion system and its use method, the heating tank 3 is made of graphene material, the number of the heating tank 3 is 9, and the horizontal and vertical arrangement of the heating tank 3 is 3*3 Arrangement, others are identical with embodiment 1;

[0036] attached by the manual figure 1 It can be seen that the above;

[0037] Among them, it needs to be pointed out that in the specific implementation process, the digestion sample tube is inserted into the heating tank 3, and the heating time is preset by manipulating the timing control button 7, and the control circuit controls the winding heating wire 4 to heat the heating tank 3. During the process, the glass wool cloth 8 and the thermal insulation cotton 5 made of glass wool are used for heat preservation to prevent excess heat from leaking out, so that the heat energy can be used effectively and energy saving is achie...

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Abstract

The invention discloses a COD digestion system and a use method thereof, wherein the COD digestion system comprises an equipment shell; a working hole is formed in the equipment shell, a control circuit and a timing unit are arranged in the equipment shell, and the control circuit is electrically connected with a heating part and the timing unit respectively. A heating wire is wound on the outer wall of a heating tank, so that the whole heating tank is placed in a heated environment, and the heating temperature of each area of the heating tank is more uniform. When the system is used, a container containing samples is inserted into the heating tank, the heating degree of the samples at different positions is consistent, and the consistency, accuracy and stability of detection results are improved; and glass cotton cloth and heat preservation cotton are used for heat preservation, insulating glue is used for insulation to prevent liquid leakage, the heating wire is fixedly wound, and more energy is saved through heat preservation.

Description

technical field [0001] The invention relates to the technical field of COD digestion, in particular to a COD digestion system and its application method. Background technique [0002] COD refers to chemical oxygen demand, which is to use chemical oxidants (such as potassium permanganate, etc.) to oxidize and decompose oxidizable substances (such as organic matter, nitrite, ferrous salt, sulfide, etc.) Calculate the oxygen consumption. COD is an important index indicating the degree of water pollution. It is mainly used to measure the content of organic substances in water. The smaller the value, the lighter the degree of water pollution. [0003] At present, in the COD test, a COD digestion instrument is usually used to heat the reaction solution containing the sample and the oxidant to cause a redox reaction between the two to accelerate the digestion of the sample, so as to achieve complete oxidation of the organic substances in the sample, and then determine The chemica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/44
CPCG01N1/44
Inventor 赵爱国宋小刚孙杰张国峰杜苗
Owner 石家庄静天环保仪器仪表供应有限公司
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