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Special sampling pipe for gaseous and dust-like fluorides in flue

A sampling tube and fluoride technology, applied in the field of environmental monitoring, can solve the problems of inability to obtain fluoride from pollution sources accurately and without consumption, and achieve the effect of light weight, strong versatility, and simple appearance

Inactive Publication Date: 2012-03-21
青岛崂山电子仪器总厂有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the sampling guns used in the measurement of pipeline pollution particles in China mainly have the following functions: smoke (flue gas) sampling, smoke temperature test, moisture content test, temperature test, pitot tube pressure test, etc., while the existing sampling guns The filter cartridge sampling tube cannot accurately obtain all the fluoride in the pollution source in gaseous state and solid state without consumption

Method used

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  • Special sampling pipe for gaseous and dust-like fluorides in flue
  • Special sampling pipe for gaseous and dust-like fluorides in flue
  • Special sampling pipe for gaseous and dust-like fluorides in flue

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Such as figure 1 , 2 , 3, a special sampling tube for gaseous and dusty fluoride in the flue, which includes a combined sampling head 1, a platinum resistor 2, a Pitot tube connecting tube 5, a flue gas connecting tube 4, a protective tube 6, a handle 11 and Handle 13, combined sampling head 1 is composed of pitot tube 8 and flue gas sampling head 7, the rear of flue gas sampling head 7 is connected to flue gas connecting pipe 4; protection tube 6 is connected to handle 11, platinum resistor 2 and pitot tube are connected The pipe 5 and the flue gas connection pipe 4 are connected to the handle 11 through the protection pipe 6; the handle 11 is provided with a handle 13; the flue gas sampling head 7 is provided with a filter cartridge 15; the rear portion of the flue gas sampling head 7 is provided with a The filter cartridge 15 is fitted with a filter cartridge frame 25 , and the filter cartridge 15 is placed in the filter cartridge frame 25 , and the filter cartridge...

Embodiment 2

[0016] The difference between the special sampling tube for gaseous and dusty fluorides in the flue of this embodiment and that of Embodiment 1 is that two absorbing bottles with porous glass plates are arranged on the hanger 20 . The rest of the structures are the same.

[0017] The special sampling tube mentioned above wraps a chip heater on the outside of the traditional smoke sampling filter cartridge to control the temperature of the sampling part at about 130°C during the sampling process. With detachable hanger. In the place where the filter cartridge is installed in the traditional sampling head, a stainless steel filter cartridge holder is added to prevent the filter cartridge from breaking. When the collected material contains dust and gaseous fluoride, the hanger is equipped with three large impact absorption bottles with 75ml solution in series, and sodium hydroxide solution is inside, and the dust state and gaseous fluoride are collected respectively through the ...

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Abstract

The invention relates to a special sampling pipe for gaseous and dust-like fluorides in a flue. The special sampling pipe comprises a combined sampling head, a platinum resistor, a connection pipe for a Pitot tube, a smoke connection pipe, a protection pipe, a handle and a hand shank, wherein the combined sampling head is formed by combining the Pitot tube and a smoke sampling head; the smoke connection pipe is connected with the back part of the smoke sampling head; the protection pipe is connected with the handle; the platinum resistor, the connection pipe for the Pitot tube and the smoke connection pipe are connected in the handle through the protection pipe; a hand shank is arranged on the handle; and a filter cylinder is arranged in the smoke sampling head. The special sampling pipe provided by the invention is characterized in that a filter cylinder frame is arranged at the back part of the smoke sampling head; the filter cylinder is arranged in the filter cylinder frame; and heating belts are wound at the back part of the smoke sampling head and wound outside the smoke connection pipe. The special sampling pipe has the advantages of strong generality for internal connection, convenience in maintenance, concise appearance, complex function, light weight, convenience in use and carrying, and accurate measurement for smoke concentration.

Description

technical field [0001] The invention relates to a smoke and dust sampling tube, in particular to an integrated smoke and fluoride compound sampling tube, which is specially used for sampling fluoride in a gaseous state and a dust state in a flue, and belongs to the technical field of environmental monitoring. Background technique [0002] According to the national standard HJ / T67-2001 Determination of Fluoride from Air Fixed Pollution Sources in the national standard HJ / T67-2001 for the determination of fluoride in air fixed pollution sources, the requirements for the collection of gaseous and dusty fluorides in pollution sources in the ion selective electrode method, in order to obtain representative samples from the pipeline, use isokinetic sampling Methods to collect fluoride. At present, the sampling guns used in the measurement of pipeline pollution particles in China mainly have the following functions: smoke (flue gas) sampling, smoke temperature test, moisture conten...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/22G01N1/44
Inventor 黄祖旭苏小宁
Owner 青岛崂山电子仪器总厂有限公司
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