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Non-blocking sampling device

A sampling device, non-blocking technology, applied in sampling device, sampling, measuring device and other directions, can solve problems such as sampling difficulty, and achieve the effect of convenient operation and good safety

Pending Publication Date: 2021-11-09
JIANGYIN ANDA CHEM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a non-blocking sampling device to solve the technical problem of difficult sampling in the high-temperature corrosive liquid pipeline in the prior art; The technical effect is explained in detail below

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Such as Figure 1-Figure 8 As shown, this embodiment provides a non-blocking sampling device, which is connected to the pipeline 1 with the delivery channel 11, and includes the valve body assembly 2, wherein: the delivery channel 11 has a fluid flowing therein, and the delivery channel 11 exists on the pipeline 1. connected to the drainage chamber 12, the valve body assembly 2 is located outside the delivery channel 11, and at least part of the valve body assembly 2 is located in the drainage chamber 12 and is sealed with the drainage chamber 12, wherein the end of the valve core 22 is in contact with the drainage chamber 12 The inner wall of the inner wall seals off the connection port between the delivery channel 11 and the drainage cavity 12; the valve body assembly 2 can move in a direction away from the delivery channel 11 under external force twisting and separate from the inner wall of the drainage cavity 12, so that the delivery The fluid in the channel 11 flow...

Embodiment 2

[0052] This embodiment is improved on the basis of the first embodiment above, and a specific implementation of the valve body assembly 2 is provided in this embodiment, see Figure 4 and Figure 6 As shown, the valve body assembly 2 includes a gland 21 and a valve core 22, wherein: see Figure 4 , the gland 21 is fixed on the pipeline 1, and at least part of it extends into the drainage chamber 12 and is sealed with the inner wall of the drainage chamber 12; specifically, see Figure 4 , Figure 6 As shown, the sealing fit between the gland 21 and the inner wall of the first cavity 121; there is a spool cavity 211 in the gland 21, the extension line of the axis of the spool cavity 211 intersects the conveying channel 11, and the spool 22 is positioned at the spool The end of the valve core 22 extends into the drainage cavity 12 in the cavity 211; the valve core 22 can reciprocate and linearly move along the axial direction of the valve core cavity 211 when the external forc...

Embodiment 3

[0060] This embodiment is improved on the basis of the above embodiments, see figure 1 , figure 2 , Figure 4 and Figure 8 As shown, the storage device of this embodiment is a storage bottle 3, such as a transparent storage bottle 3, and the storage bottle 3 is provided with a scale line, which is convenient for observing the amount of internal liquid; the storage bottle 3 is detachably connected to the pipeline 1. Specifically, the storage bottle 3 and the pipeline 1 are fixed by threaded connections. When sampling online, the storage bottle 3 is threaded to the pipeline 1, which can prevent the storage bottle 3 from being accidentally dumped, prevent high-temperature corrosive liquids from flowing out, and ensure safety. And when the sample is collected, the valve body assembly 2 is closed, and the storage bottle 3 can be conveniently disassembled from the pipeline 1 for testing.

[0061] During actual operation, it was found that if the bottle mouth of the storage bot...

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PUM

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Abstract

The invention provides a non-blocking sampling device, relates to the technical field of chemical detection equipment, and solves the technical problem of difficulty in sampling in a high-temperature corrosive liquid pipeline. The non-blocking sampling device is connected with a pipeline with a conveying channel and comprises a valve body assembly, a drainage cavity communicated with the conveying channel is formed in the pipeline, the valve body assembly is located outside the conveying channel, and at least part of the valve body assembly is located in the drainage cavity and is in sealing fit with the drainage cavity; the valve body assembly can move in the direction deviating from the conveying channel under screwing of external force and is separated from the inner wall of the drainage cavity, so that fluid in the conveying channel flows out through the drainage cavity. The non-blocking sampling device is located outside the conveying channel and completely does not block the conveying channel, the set flow of a pipeline cannot be affected, fluid can flow out of the drainage cavity to be sampled during twisting, and the non-blocking sampling device is convenient to operate and better in safety when used for sampling high-temperature and strong-corrosion liquid.

Description

technical field [0001] The invention relates to the technical field of chemical testing equipment, in particular to a non-blocking sampling device. Background technique [0002] In chemical production equipment, it is often necessary to use concentrated sulfuric acid, concentrated nitric acid and other high-temperature, highly corrosive liquids as reaction materials. In the processing of the above-mentioned highly corrosive liquids, sampling is required to analyze whether the composition of the liquid in the pipeline is qualified. [0003] The applicant finds that the prior art has at least the following technical problems: [0004] On the one hand, when using high-temperature and highly corrosive liquids in the prior art, rod-shaped straws are usually used to suck a small amount of liquid from the pipeline for testing. The above method has great potential safety hazards, and problems such as scalding and corrosive liquid outflow are likely to exist. Therefore, it is very ...

Claims

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Application Information

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IPC IPC(8): G01N1/20
CPCG01N1/2035G01N2001/205
Inventor 钱伟良钱梦越郁海伟
Owner JIANGYIN ANDA CHEM EQUIP CO LTD