CN104677687A - Industrial liquid sampling device and industrial liquid sampling method - Google Patents
Industrial liquid sampling device and industrial liquid sampling method Download PDFInfo
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- CN104677687A CN104677687A CN201510140435.0A CN201510140435A CN104677687A CN 104677687 A CN104677687 A CN 104677687A CN 201510140435 A CN201510140435 A CN 201510140435A CN 104677687 A CN104677687 A CN 104677687A
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Abstract
The invention discloses an industrial liquid sampling device. The industrial liquid sampling device comprises a first horizontal pipeline, a first vertical pipeline, a second horizontal pipeline, a second vertical pipeline, a first switch valve, a second switch valve, a third switch valve, a fourth switch valve and a fifth switch valve. The invention further discloses an industrial liquid sampling method. According to the device and the method, compressed gas is transported into liquid; the liquid is stirred before being sampled, so that the liquid is relatively uniform, and therefore, the representativeness of an obtained sample is improved; as well, a discarded and unused sample is sent back into the liquid by utilizing the compressed gas; the environment pollution risk because of emptying and discharging of the obtained liquid sample is thoroughly eliminated; simultaneously, the liquid is stirred again by the compressed gas entering the liquid, and therefore, the representativeness of the obtained sample is further improved; in the event of sampling, the highest liquid level in the second vertical pipeline is aligned to the highest liquid level in a container firstly, and thus, the representativeness of the sample obtained from a sampling hole is improved.
Description
Technical field
The present invention relates to fluid analysis assay technique field, especially relate to a kind of sampler and sampling method of industrial liquid.
Background technology
In daily production and life process, need often to carry out analytical test to liquid used.During analytical test liquid, it is first sampling.Use various utensil and method, obtain the sample of a small amount of liquid, the component content of assay sample of then taking away, represents the component content of whole liquid with the component content of sample.
At present, even if sample in strict accordance with working specification, the representativeness of the sample using existing sampling instrument and sampling method to obtain is still lower, result of laboratory test repeatability is poor, and according to working specification, need emptying sampling pipeline before sampling, also need the sample by first twice is got to outwell, retain third time institute's sample thief.These emptying and the liquid emitted or poisonous, or difficult degradation, or volatile, therefore there is very large risk of environmental pollution.
Therefore, the representativeness of sampling time institute sample thief how is improved and the risk simultaneously reducing the environmental pollution that emptying and discharge liquid exist is the technical matters that current those skilled in the art need solution badly.
Summary of the invention
In view of this, the object of this invention is to provide a kind of sampler and sampling method of industrial liquid, the present invention can improve the representativeness of sampling time institute sample thief, and reduces the risk of the environmental pollution of emptying and discharge liquid existence simultaneously.
For solving above-mentioned technical matters, technical scheme provided by the invention is:
A kind of sampler of industrial liquid, comprise the first horizontal pipe, the first vertical pipeline, the second horizontal pipe, the second vertical pipeline, described one end of first horizontal pipe is connected with the bottom of the container of carrying liquid, the other end of described first horizontal pipe is connected with the lower end of described first vertical pipeline, the upper end of described first vertical pipeline is connected with one end of described second horizontal pipe, the other end of described second horizontal pipe is connected with the upper end of described second vertical pipeline, and the lower end of described second vertical pipeline is immersed in liquid;
Described first horizontal pipe is provided with the first switch valve, part on described first horizontal pipe and between described first switch valve and described first vertical pipeline lower end is connected with compressed gas transmission pipeline, described compressed gas transmission pipeline is provided with second switch valve;
Part on described first horizontal pipe and between described first switch valve and described first vertical pipeline lower end is provided with sample tap, and described sample tap place is provided with the 3rd switch valve;
Described second horizontal pipe is provided with the 4th switch valve;
Described container top is provided with the 5th switch valve.
Preferably, described second vertical pipeline immerse liquid part outer wall on be provided with multiple hole.
Preferably, described second vertical pipeline immerse the part of liquid account for liquid in whole described container dark 1/2 ~ 3/4.
Preferably, the part that described second vertical pipeline immerses liquid is divided into many pipelines.
Preferably, the distance between the junction of described first horizontal pipe and described container and the lowest part of described liquid in container accounts for 1/10 ~ 1/5 of described container height.
Compared with prior art, the invention provides a kind of sampler of industrial liquid, comprise the first horizontal pipe, the first vertical pipeline, the second horizontal pipe, the second vertical pipeline, the first switch valve, second switch valve, the 3rd switch valve, the 4th switch valve, the 5th switch valve.Sampler provided by the invention is by being delivered to liquid internal by pressure gas, before sampling, utilize the kinetic energy of pressure gas to stir liquid, make liquid evenly, make acquired sample more can represent the actual constituent content of whole liquid, improve the representativeness of institute's sample thief; Pressure gas is utilized to send the sample passed into disuse back to liquid internal equally, thoroughly eliminate the risk of environmental pollution that fluid sample existence is got by emptying and discharge institute, the compressed gas cognition simultaneously entering liquid stirs liquid again, enhance the mixing effect of pressure gas, further increase the representativeness of institute's sample thief; During sampling, first make the most high liquid level (HLL) in the second vertical pipeline flush with high liquid level (HLL) most in container, improve the representativeness from sample tap place sample thief.
The present invention also provides a kind of sampling method of industrial liquid, comprises the following steps:
1) pressure gas is delivered to liquid internal, the kinetic energy utilizing pressure gas to have stirs liquid, and pressure gas is discharged from the upper outlet of the container of carrying liquid subsequently;
2) stop to Liquid transfer pressure gas;
3) liquid is allowed to flow freely in the pipeline be connected with container, liquid most high liquid level (HLL) is in the duct flushed with the most high liquid level (HLL) in container, then the connection of container and pipeline is blocked, in pipeline, pass into pressure gas, utilize pressure gas to send below liquid in container liquid level back to by counter for the liquid in pipeline;
4) repeating said steps 3) at least 2 times;
5), in the pipeline after allowing liquid flow freely into empty, liquid most high liquid level (HLL) is in the duct flushed, the sample tap then in opening conduits, sampling with the most high liquid level (HLL) in container;
Preferably, by described step 5) remaining liquid sends below liquid in container liquid level back to by pressure gas is counter in pipeline.
Preferably, described step 3) repeat 2 times.
Preferably, described pressure gas is pressurized air or compressed inert.
Preferably, the pressure of described pressure gas is 0.3MPa ~ 0.8MPa.
Compared with prior art, present invention also offers a kind of sampling method of industrial liquid, sampling method provided by the invention is by being delivered to liquid internal by pressure gas, before sampling, utilize the kinetic energy of pressure gas to stir liquid, make liquid evenly, make acquired sample more can represent the actual constituent content of whole liquid, improve the representativeness of institute's sample thief; Pressure gas is utilized to send the sample passed into disuse back to liquid internal equally, thoroughly eliminate the risk of environmental pollution that fluid sample existence is got by emptying and discharge institute, the compressed gas cognition simultaneously entering liquid stirs liquid again, enhance the mixing effect of pressure gas, further increase the representativeness of institute's sample thief; During sampling, first make the most high liquid level (HLL) in the second vertical pipeline flush with high liquid level (HLL) most in container, improve the representativeness from sample tap place sample thief.
Accompanying drawing explanation
The structural representation of the sampler of a kind of industrial liquid that Fig. 1 provides for the embodiment of the present invention.
In figure: 1 container, 2 first horizontal pipes, 3 first vertical pipelines, 4 second horizontal pipes, 5 second vertical pipelines, 6 first switch valves, 7 compressed gas transmission pipelines, 8 second switch valves, 9 sample taps, 10 the 3rd switch valves, 11 the 4th switch valves, 12 the 5th switch valves.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
The structural representation of the sampler of a kind of industrial liquid provided for the embodiment of the present invention with reference to figure 1, Fig. 1.
The invention provides a kind of sampler of industrial liquid, comprise the first horizontal pipe 2, first vertical pipeline 3, second horizontal pipe 4, second vertical pipeline 5, one end of first horizontal pipe 2 is connected with the bottom of the container 1 of carrying liquid, the other end of the first horizontal pipe 2 is connected with the lower end of the first vertical pipeline 3, the upper end of the first vertical pipeline 3 is connected with one end of the second horizontal pipe 4, the other end of the second horizontal pipe 4 is connected with the upper end of the second vertical pipeline 5, and the lower end of the second vertical pipeline 5 is immersed in liquid; First horizontal pipe 2 to be provided with on the first switch valve 6, first horizontal pipe 2 and part between the first switch valve 6 and the first vertical pipeline 3 lower end is connected with compressed gas transmission pipeline 7, compressed gas transmission pipeline 7 to be provided with second switch valve 8; Part on first horizontal pipe 2 and between the first switch valve 6 and the first vertical pipeline 3 lower end is provided with sample tap 9, and sample tap 9 place is provided with the 3rd switch valve 10; Second horizontal pipe 4 is provided with the 4th switch valve 11; Container 1 top is provided with the 5th switch valve 12.In the present invention, the specification of the first horizontal pipe 2, first vertical pipeline 3, second horizontal pipe 4 and the second vertical pipeline 5 and material, the kind of the first switch valve 6, second switch valve 8, the 3rd switch valve 10, the 4th switch valve 11 and the 5th switch valve 12 and specification are determined by the character of liquid and the volume of container 1, there is no the restriction that other are special, the pipeline adopting those skilled in the art to commonly use and switch valve.The container 1 of the present invention to carrying liquid is not particularly limited, and the container 1 such as groove, tank adopting those skilled in the art to commonly use, in view of the liquid had has the character such as toxicity, should adopt closed container 1; Some liquid does not have toxicity and not volatile, can adopt open-top receptacle 1.In view of in production and life process, the container 1 of most carrying liquid is closed container 1, can amount discharge container 1 for making to be delivered to pressure gas in liquid, and the present invention is provided with the 5th switch valve 12 at the top of container 1.
Sampler provided by the invention is by being delivered to liquid internal by pressure gas, before sampling, utilize the kinetic energy of pressure gas to stir liquid, make liquid evenly, make acquired sample more can represent the actual constituent content of whole liquid, improve the representativeness of institute's sample thief; Pressure gas is utilized to send the sample passed into disuse back to liquid internal equally, thoroughly eliminate the risk of environmental pollution that fluid sample existence is got by emptying and discharge institute, the compressed gas cognition simultaneously entering liquid stirs liquid again, enhance the mixing effect of pressure gas, further increase the representativeness of institute's sample thief; During sampling, first make the most high liquid level (HLL) in the second vertical pipeline 5 flush with high liquid level (HLL) most in container 1, improve the representativeness from sample tap 9 place sample thief.
In order to strengthen the mixing effect of pressure gas to liquid further, in one embodiment of the invention, the outer wall immersing the part of liquid at the second vertical pipeline 5 is provided with multiple hole.
In order to strengthen the mixing effect of pressure gas to liquid further, in one embodiment of the invention, the part that the second vertical pipeline 5 immerses liquid account for liquid in whole container 1 dark 1/2 ~ 3/4.
In order to strengthen the mixing effect of pressure gas to liquid further, in one embodiment of the invention, the part that the second vertical pipeline 5 immerses liquid is divided into many pipelines, is rationally evenly distributed in liquid, fully stirs liquid, do not stay dead angle.
In one embodiment of the invention, in the junction of the first horizontal pipe 2 and container 1 and container 1 liquid lowest part between distance account for 1/10 ~ 1/5 of container 1 height, thus the solid deposited thing avoided bottom container 1 enters sampler, further increase the representativeness of institute's sample thief.
Present invention also offers a kind of sampling method of industrial liquid, comprise the following steps:
1) pressure gas is delivered to liquid internal, the kinetic energy utilizing pressure gas to have stirs liquid, pressure gas is discharged from the upper outlet of the container 1 of carrying liquid subsequently, described pressure gas is preferably pressurized air or compressed inert, and the pressure of described pressure gas is preferably 0.3MPa ~ 0.8MPa;
2) stop to Liquid transfer pressure gas;
3) liquid is allowed to flow freely in the pipeline be connected with container 1, liquid most high liquid level (HLL) is in the duct flushed with the most high liquid level (HLL) in container 1, then the connection of container 1 and pipeline is blocked, in pipeline, pass into pressure gas, utilize pressure gas to send back in container 1 below liquid levels by counter for the liquid in pipeline;
4) step 3 is repeated) at least 2 times, preferably repeat 2 times;
5), in the pipeline after allowing liquid flow freely into empty, liquid most high liquid level (HLL) is in the duct flushed, the sample tap 9 then in opening conduits, sampling with the most high liquid level (HLL) in container 1;
In order to reduce the corrosion of liquid to pipeline and switch valve, in one embodiment of the invention, by step 5) remaining liquid to be sent back in container 1 below liquid levels by pressure gas is counter in pipeline, and empty pipeline, thus improve the serviceable life of pipeline and switch valve.
Sampling method provided by the invention is by being delivered to liquid internal by pressure gas, before sampling, utilize the kinetic energy of pressure gas to stir liquid, make liquid evenly, make acquired sample more can represent the actual constituent content of whole liquid, improve the representativeness of institute's sample thief; Pressure gas is utilized to send the sample passed into disuse back to liquid internal equally, thoroughly eliminate the risk of environmental pollution that fluid sample existence is got by emptying and discharge institute, the compressed gas cognition simultaneously entering liquid stirs liquid again, enhance the mixing effect of pressure gas, further increase the representativeness of institute's sample thief; During sampling, first make the most high liquid level (HLL) in the second vertical pipeline 5 flush with high liquid level (HLL) most in container 1, improve the representativeness from sample tap 9 place sample thief.
In order to understand the present invention further, below in conjunction with embodiment, the sampler of industrial liquid provided by the invention and sampling method are described in detail.
Embodiment:
Close the first switch valve 6, 3rd switch valve 10 and the 4th switch valve 11, open second switch valve 8 and the 5th switch valve 12, compressed nitrogen is carried to the first horizontal pipe 2 by compressed nitrogen conveyance conduit, compressed nitrogen is successively through the first vertical pipeline 3, second horizontal pipe 4, second vertical pipeline 5 enters in container 1 liquid, the hole that compressed nitrogen immerses the outer wall that liquid internal divides from the second vertical pipeline 5 enters in liquid, compressed nitrogen becomes the abundant agitated liquid of bubble, bubble freely floats, discharged by the 5th switch valve 12 at container 1 top, ensure that in container 1, ullage space pressure is constant.After stirring certain hour, close second switch valve 8, stop carrying compressed nitrogen to the first horizontal pipe 2.Then, open the 4th switch valve 11 and the 5th switch valve 12, container 1 is communicated with air with the second vertical pipeline 5, open the first switch valve 6 again, liquid is allowed to flow freely into the first horizontal pipe 2, after high liquid level (HLL) most in the first vertical pipeline 3 flushes with high liquid level (HLL) most in container 1, close the first switch valve 6 and the 4th switch valve 11, open second switch valve 8, compressed nitrogen is utilized to send back in container 1 by counter for the liquid in sampler, compressed nitrogen enters liquid internal from hole, again stirs liquid, so repeats 2 times.Then, open the 4th switch valve 11 and the 5th switch valve 12, container 1 is communicated with air with the second vertical pipeline 5, open the first switch valve 6 again, liquid is allowed to flow freely into the first horizontal pipe 2, after high liquid level (HLL) most in the first vertical pipeline 3 flushes with high liquid level (HLL) most in container 1, open the 3rd switch valve 10 at sample tap 9 place, sampling.Close the first switch valve 6, the 3rd switch valve 10 and the 4th switch valve 11, open second switch valve 8 and the 5th switch valve 12, utilize compressed nitrogen to send back to counter for the liquid in sampler in container 1.After sampling terminates, by the first switch valve 6, second switch valve 8, the 3rd switch valve 10, the 4th switch valve 11 and the 5th switch valve 12 Close All.
Above the sampler of a kind of industrial liquid provided by the present invention and sampling method are described in detail.Apply specific embodiment herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (10)
1. the sampler of an industrial liquid, it is characterized in that, comprise the first horizontal pipe, the first vertical pipeline, the second horizontal pipe, the second vertical pipeline, described one end of first horizontal pipe is connected with the bottom of the container of carrying liquid, the other end of described first horizontal pipe is connected with the lower end of described first vertical pipeline, the upper end of described first vertical pipeline is connected with one end of described second horizontal pipe, the other end of described second horizontal pipe is connected with the upper end of described second vertical pipeline, and the lower end of described second vertical pipeline is immersed in liquid;
Described first horizontal pipe is provided with the first switch valve, part on described first horizontal pipe and between described first switch valve and described first vertical pipeline lower end is connected with compressed gas transmission pipeline, described compressed gas transmission pipeline is provided with second switch valve;
Part on described first horizontal pipe and between described first switch valve and described first vertical pipeline lower end is provided with sample tap, and described sample tap place is provided with the 3rd switch valve;
Described second horizontal pipe is provided with the 4th switch valve;
Described container top is provided with the 5th switch valve.
2. the sampler of liquid chemical product according to claim 1, is characterized in that, the outer wall of the part of described second vertical pipeline immersion liquid is provided with multiple hole.
3. the sampler of liquid chemical product according to claim 1, is characterized in that, described second vertical pipeline immerse the part of liquid account for liquid in whole described container dark 1/2 ~ 3/4.
4. the sampler of liquid chemical product according to claim 1, is characterized in that, the part that described second vertical pipeline immerses liquid is divided into many pipelines.
5. the sampler of liquid chemical product according to claim 1, is characterized in that, the distance between the junction of described first horizontal pipe and described container and the lowest part of described liquid in container accounts for 1/10 ~ 1/5 of described container height.
6. a sampling method for industrial liquid, is characterized in that, comprises the following steps:
1) pressure gas is delivered to liquid internal, the kinetic energy utilizing pressure gas to have stirs liquid, and pressure gas is discharged from the upper outlet of the container of carrying liquid subsequently;
2) stop to Liquid transfer pressure gas;
3) liquid is allowed to flow freely in the pipeline be connected with container, liquid most high liquid level (HLL) is in the duct flushed with the most high liquid level (HLL) in container, then the connection of container and pipeline is blocked, in pipeline, pass into pressure gas, utilize pressure gas to send below liquid in container liquid level back to by counter for the liquid in pipeline;
4) repeating said steps 3) at least 2 times;
5), in the pipeline after allowing liquid flow freely into empty, liquid most high liquid level (HLL) is in the duct flushed, the sample tap then in opening conduits, sampling with the most high liquid level (HLL) in container.
7. the sampling method of industrial liquid according to claim 6, is characterized in that, by described step 5) remaining liquid sends below liquid in container liquid level back to by pressure gas is counter in pipeline.
8. the sampling method of industrial liquid according to claim 6, is characterized in that, described step 3) repeat 2 times.
9. the sampling method of industrial liquid according to claim 6, is characterized in that, described pressure gas is pressurized air or compressed inert.
10. the sampling method of industrial liquid according to claim 6, is characterized in that, the pressure of described pressure gas is 0.3MPa ~ 0.8MPa.
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Cited By (3)
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| CN109297802A (en) * | 2018-11-16 | 2019-02-01 | 四川临界自动化设备有限公司 | Multifunctional in-situ specimen heating holder |
| CN110308016A (en) * | 2019-06-28 | 2019-10-08 | 浙江小桥流水环境科技有限公司 | Multi parameter analysis sample leaving device |
| CN116411189A (en) * | 2021-12-31 | 2023-07-11 | 核工业理化工程研究院 | Uranium extraction and purification method suitable for feed liquid with different concentrations |
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| CN116411189A (en) * | 2021-12-31 | 2023-07-11 | 核工业理化工程研究院 | Uranium extraction and purification method suitable for feed liquid with different concentrations |
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| Publication number | Publication date |
|---|---|
| CN104677687B (en) | 2017-04-19 |
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Inventor after: Jie Baoshan Inventor after: Wang Juan Inventor after: Li Chao Inventor before: Jie Baoshan Inventor before: Wang Juan Inventor before: Li Chao |