CN217331767U

CN217331767U - Anhydrous hydrogen fluoride closed sampling system

Info

Publication number: CN217331767U
Application number: CN202220821642.8U
Authority: CN
Inventors: 堀尾博英
Original assignee: Morita New Energy Materials Zhangjiagang Co ltd
Current assignee: Morita New Energy Materials Zhangjiagang Co ltd
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-08-30
Anticipated expiration: 2032-04-11

Abstract

The application discloses airtight sampling system of anhydrous hydrogen fluoride, including sampling bottle and ration bottle, the sampling bottle passes through the sampling pipe with the ration bottle and links to each other, be provided with the sampling valve on the sampling pipe, the sampling pipe passes through the inlet pipe and links to each other with the feed inlet, be provided with the import valve on the inlet pipe, the ration bottle passes through the discharging pipe and links to each other with the discharge gate, be provided with the outlet valve on the discharging pipe, the discharging pipe passes through the blast pipe and links to each other with tail gas treatment system, be provided with discharge valve on the blast pipe, the inlet pipe links to each other with sweeping the air inlet through sweeping the pipe, it sweeps the valve to be provided with on the pipe. The utility model provides a closed sampling system of anhydrous hydrogen fluoride can simple structure, modern design adopt airtight visual operation box, is equipped with tail gas treatment system, realizes the sample of quantitative anhydrous hydrogen fluoride, can carry out the moisture analysis of anhydrous hydrogen fluoride on line simultaneously.

Description

Anhydrous hydrogen fluoride closed sampling system

Technical Field

The application particularly relates to an anhydrous hydrogen fluoride closed sampling system.

Background

Among the prior art, the anhydrous hydrogen fluoride sample is through setting up a plurality of valves on the pipeline, holds back the liquid of pipeline between two valves, and in the sample bottle was put into to a valve of rethread, the sample bottle can be placed in advance in the sample case that is connected with tail gas treatment system, because can produce not few flue gas when anhydrous hydrogen fluoride contact air, the tail gas treatment system that the sample case is connected can absorb these gases, still will bring the potential safety hazard for the sample operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an airtight sampling system of anhydrous hydrogen fluoride to overcome not enough among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an airtight sampling system of anhydrous hydrogen fluoride, includes sampling bottle and dosing bottle, the sampling bottle passes through the sampling pipe with dosing bottle and links to each other, be provided with the sampling valve on the sampling pipe, the sampling pipe passes through the inlet pipe and links to each other with the feed inlet, be provided with the import valve on the inlet pipe, dosing bottle passes through the discharging pipe and links to each other with the discharge gate, be provided with the outlet valve on the discharging pipe, the discharging pipe passes through the blast pipe and links to each other with tail gas treatment system, be provided with discharge valve on the blast pipe, the inlet pipe links to each other with sweeping the air inlet through sweeping the pipe, it sweeps the valve to be provided with on the pipe.

Preferably, the upper end of the sampling bottle is provided with an exhaust hole, and the exhaust hole is connected with a tail gas treatment system.

Preferably, the quantification flask is connected to a water analyzer.

Preferably, the sampling bottle cover is arranged in the protective cover, the protective cover is divided into an upper protective cover and a lower protective cover, and the upper protective cover is hinged to the lower protective cover through a rotary buckle.

Preferably, the purge valve is a pneumatic check valve, and the inlet valve, the outlet valve, the sampling valve and the exhaust valve are pneumatic cut-off valves.

Preferably, the quantitative bottle and the protective cover are made of tetrafluoro materials.

Preferably, the sampling system sets up in the airtight box, the box shell adopts stainless steel to make, the box front side is provided with observation window and the operation window that organic glass made, the observation window passes through the hinge with the operation window and articulates with the box shell.

Compared with the prior art, the airtight sampling system of anhydrous hydrogen fluoride of this application can simple structure, modern design, adopts airtight visual operation box, is equipped with tail gas processing system, realizes the sample of quantitative anhydrous hydrogen fluoride, can carry out the moisture analysis of anhydrous hydrogen fluoride on line simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of an anhydrous hydrogen fluoride closed sampling system according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Combine shown in figure 1, an airtight sampling system of anhydrous hydrogen fluoride, including sampling bottle and ration bottle, the sampling bottle passes through the sampling pipe with the ration bottle and links to each other, be provided with the sampling valve on the sampling pipe, the sampling pipe passes through the inlet pipe and links to each other with the feed inlet, be provided with the import valve on the inlet pipe, the ration bottle passes through the discharging pipe and links to each other with the discharge gate, be provided with the outlet valve on the discharging pipe, the discharging pipe passes through the blast pipe and links to each other with tail gas treatment system, be provided with discharge valve on the blast pipe, the inlet pipe links to each other with the air inlet that sweeps through sweeping the pipe, it sweeps and is provided with the valve on the pipe to sweep.

In the technical scheme, all pipelines are made of PFA materials, and meanwhile, the purging pipe is communicated with the sampling pipe and the outlet pipe through the feeding pipe.

Preferably, the quantification flask is connected to a water analyzer.

In the technical scheme, all the valve bodies are made of PFA materials, and are connected with the controller, and the controller is used for controlling the opening and closing of the valve bodies.

Specifically, the sampling process of the anhydrous hydrogen fluoride closed sampling system is as follows:

1. taking down the lower half part of the protective cover through an operation window at the lower part of the outer box, putting the lower half part into a sampling bottle, and screwing up and fixing the lower half part;

2. selecting a replacement mode on an external controller, executing a program, sequentially exhausting a valve, sampling a valve and a purge valve, and introducing protective gas for replacement;

3. and after the replacement is finished, an analysis mode is selected, the execution program can close the purging valve, the sampling valve and the exhaust valve firstly, then the outlet valve and the inlet valve are opened in sequence, the hydrogen fluoride enters the quantitative bottle, and after the outlet pipeline is observed to be filled with liquid, an external moisture meter display can display analysis data.

4. And after the analysis data is recorded, the sampling mode is selected, the execution program can close the inlet valve and the outlet valve in sequence, open the sampling valve, open the exhaust valve in a delayed manner, and the liquid in the quantitative bottle can automatically flow into the sampling bottle.

5. Through the operation window of outer container lower part, the latter half of safety cover is unscrewed, will take out the sample bottle, just can take out after the tight bottle lid of lid, and the safety cover the latter half is adorned again.

6. And after the sampling bottle is taken out, selecting a replacement mode on the controller, and blowing and cleaning the residual liquid in the pipeline.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely a detailed description of the present application, and it should be noted that modifications and embellishments could be made by those skilled in the art without departing from the principle of the present application, and these should also be considered as the protection scope of the present application.

Claims

1. The utility model provides an anhydrous hydrogen fluoride airtight sampling system which characterized in that: including sampling bottle and dosing bottle, the sampling bottle passes through the sampling pipe with dosing bottle and links to each other, be provided with the sampling valve on the sampling pipe, the sampling pipe passes through the inlet pipe and links to each other with the feed inlet, be provided with the import valve on the inlet pipe, dosing bottle passes through the discharging pipe and links to each other with the discharge gate, be provided with the outlet valve on the discharging pipe, the discharging pipe passes through the blast pipe and links to each other with tail gas processing system, be provided with discharge valve on the blast pipe, the inlet pipe links to each other with the air inlet sweeps through sweeping the pipe, it sweeps and is provided with the valve on the pipe to sweep.

2. The anhydrous hydrogen fluoride closed sampling system according to claim 1, wherein: the upper end of the sampling bottle is provided with an exhaust hole, and the exhaust hole is connected with a tail gas treatment system.

3. The anhydrous hydrogen fluoride closed sampling system according to claim 1, wherein: the quantitative bottle is connected with a water analyzer.

4. The anhydrous hydrogen fluoride closed sampling system according to claim 1, wherein: the sampling bottle cover is arranged in the protective cover, the protective cover is divided into an upper protective cover and a lower protective cover, and the upper protective cover is hinged to the lower protective cover through a rotary buckle.

5. The anhydrous hydrogen fluoride closed sampling system according to claim 1, wherein: the purge valve is a pneumatic check valve, and the inlet valve, the outlet valve, the sampling valve and the exhaust valve are pneumatic cut-off valves.

6. The anhydrous hydrogen fluoride closed sampling system according to claim 4, wherein: the quantitative bottle and the protective cover are made of tetrafluoro materials.

7. The closed anhydrous hydrogen fluoride sampling system according to claim 1, wherein: the sampling system sets up in airtight box, the box shell adopts stainless steel to make, the box front side is provided with observation window and the operation window that organic glass made, the observation window passes through the hinge with the operation window and articulates with the box shell.