CN202869857U - Sampling system - Google Patents

Sampling system Download PDF

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Publication number
CN202869857U
CN202869857U CN 201220478308 CN201220478308U CN202869857U CN 202869857 U CN202869857 U CN 202869857U CN 201220478308 CN201220478308 CN 201220478308 CN 201220478308 U CN201220478308 U CN 201220478308U CN 202869857 U CN202869857 U CN 202869857U
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China
Prior art keywords
pipeline
counter
reactor
ball valve
sampling system
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Withdrawn - After Issue
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CN 201220478308
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Chinese (zh)
Inventor
史新元
乔延江
吴志生
隋丞琳
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Beijing University of Chinese Medicine
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Beijing University of Chinese Medicine
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Priority to CN 201220478308 priority Critical patent/CN202869857U/en
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Abstract

The utility model discloses a sampling system. The sampling system is arranged on a reactor on a production line of traditional Chinese medicines and comprises a sampling pipe, a first pipeline, a second pipeline and a filtering device, wherein one end of the sampling pipe stretches into the reactor to take out a sample in the reactor, the other end of the sampling pipe is connected with a first end of the first pipeline, a second end of the first pipeline is connected with a feeding hole of the filtering device, a discharging hole of the filtering device is connected with the first end of the second pipeline, and the second end of the second pipeline is connected to the reactor; and a sampling pump is arranged on the first pipeline, a check valve, a heater and a flow cell are sequentially arranged on the second pipeline from the first end and the second end, and the flow cell is used for enabling a spectroscopic instrument to carry out spectroscopic data collection. According to the sampling system disclosed by the utility model, the pretreatments such as filtering, heating and the like are simultaneously carried out on the withdrawn sample in the sampling process, so that the interference in the sample is eliminated, and the sample is guaranteed to be located in a proper state.

Description

A kind of sampling system
Technical field
The utility model relates to a kind of sampling system, relates in particular to a kind of for online sampling and the preprocessing system that detects of Chinese Traditional Medicine.
Background technology
At present, the mode of the control of letting pass is mainly adopted in the quality control of Chinese medicine, namely final products are carried out quality inspection, qualifiedly namely put on market, defectively then need do over again or scrap processing.The raising that drug quality is required along with international community need to the quality that Chinese medicine is produced intermediate product be detected, and inspection technology is also strengthened gradually.But the at present quality inspection of Chinese Traditional Medicine still is the offline inspection to static material or intermediate product, after namely certain technique unit production finishes, intermediate is sent to the laboratory carries out accurate analysis.Take extraction process as example, the moulding of the quality of the extract of extraction can't change quality by the technique adjustment again.
Thereby, need to carry out in process of production the online detection of product quality.At present, spectral technique is mainly adopted in the online detection of product quality in the Chinese Traditional Medicine, and this technology for detection speed is fast, and the data obtained can represent the total quality of Chinese medicine, thereby is widely used.But the composition of Chinese medicine is very complicated, take extraction process as example, contains the solid particles such as Chinese medicinal granule toward contact in its extract, and for the spectral detection of liquid, light scattering can occur the solid particle that exists in the liquid, with the appreciable impact measurement result.In addition, also alveolate existence also can affect measurement result in the extract.
In sum, carry out analyzing and testing if adopt off-line method, can from extractor (or reactor), take out a certain amount of sample, be sent to the laboratory and carry out meticulous sample pre-treatments (such as the pre-treatment of efficient liquid phase chromatographic analysis), but this process is consuming time longer, during analysis result to be obtained, missed the opportunity that technique is adjusted.And online direct-detection, because the impact of various disturbing factors makes testing result have certain deviation.
The utility model content
In view of the above-mentioned problems in the prior art, the utility model provides a kind of online sampling system, and this system can carry out pre-treatment to the sample that takes out, and to get rid of the interference that exists in the sample, guarantees that sample is in suitable state when detecting.
In order to solve the problems of the technologies described above, the utility model has adopted following technical scheme: a kind of sampling system, be arranged on the reactor of Chinese medicine production, and described sampling system comprises stopple coupon, the first pipeline, the second pipeline and filtration unit;
One end of described stopple coupon stretches into and is used in the described reactor sample in the reactor is taken out, the other end of described stopple coupon is connected with the first end of described the first pipeline, the second end of described the first pipeline is connected with the charging aperture of described filtration unit, the discharging opening of described filtration unit is connected with the first end of described the second pipeline, and the second end of described the second pipeline is connected to described reactor;
Be provided with sampling pump on described the first pipeline, be provided with successively non-return valve, well heater and be used for making spectral instrument carry out the flow cell of spectrum data gathering from first end to the second end on described the second pipeline.
As preferably, described sampling system also comprises the first counter-flushing pipeline and the second counter-flushing pipeline;
The first end of described the first counter-flushing pipeline is connected to the first pipeline between described filtration unit and the described sampling pump, and the second end of described the first counter-flushing pipeline is connected to the second pipeline between described filtration unit and the described non-return valve;
The first end of described the second counter-flushing pipeline is connected to the first pipeline between described filtration unit and the described sampling pump, and the second end of described the second counter-flushing pipeline is connected with described reactor;
The first end of described the first counter-flushing pipeline is provided with the 3rd ball valve than the more close described sampling pump of the first end of described the second counter-flushing pipeline on described the first pipeline between the first end of the first end of described the first counter-flushing pipeline and the second counter-flushing pipeline;
Be provided with the 7th ball valve on the first end of described the first counter-flushing pipeline, be provided with the 8th ball valve on the second end;
Be provided with the 9th ball valve on the first end of described the second counter-flushing pipeline;
Be provided with the 4th ball valve on the second described pipeline between the second end of described non-return valve and described the first counter-flushing pipeline.
As preferably, described sampling system also comprises the air recoil pipeline, the first end of described Air Reverse flushing pipeline is communicated with described stopple coupon, and the second end of described Air Reverse flushing pipeline is used for being connected with the aseptic compressed air source, on the described Air Reverse flushing pipeline the first ball valve is set;
Be provided with the second ball valve on the first end of described the first pipeline.
As preferably, described sampling pump is membrane pump.
As preferably, described filtration unit comprises the first filtrator and second filtrator of series connection.
As preferably, described the first filtrator and the second filtrator are millipore filter, and the aperture of described the first filtrator is 5 μ m, and the aperture of described the second filtrator is 1 μ m.
As preferably, be provided with sample valve on the second pipeline between described non-return valve and the described flow cell.
As preferably, described stopple coupon stretches on the end of described reactor and is provided with filter screen.
As preferably, the second end of described the second pipeline is connected to described reactor by feed pipe.
As preferably, the second end of described the second counter-flushing pipeline is connected to described reactor by described feed pipe, is provided with the tenth ball valve on the second end of described the second counter-flushing pipeline;
Be provided with the 5th ball valve on the second end of described the second pipeline;
The feed end of described feed pipe is provided with the 6th ball valve.
Compared with prior art, the beneficial effect of sampling system of the present utility model is:
1, sampling system of the present utility model is by installing stopple coupon, the first pipeline and the second pipeline additional at reactor, thereby make reactor, stopple coupon, the first pipeline and the second pipeline form closed loop, in reactor, in the flow cell of sample on the second pipeline that stopple coupon takes out, be detected, realized the online detection to the sample of Chinese medicine production, guaranteed the product quality of Chinese medicine, and the sample after detecting turns back to again in the reactor, can not cause waste.The utility model can obtain testing result at short notice simultaneously, has the fast advantage of detection speed, and according to the timely adjusting process of testing result.
2, sampling system of the present utility model is carried out pre-treatment to the sample that takes out simultaneously in sampling process, such as filtration, heating etc., to get rid of the interference that exists in the sample, guarantees that sample is in suitable state when detecting.
3, adopt sampling system of the present utility model, can understand in real time the mass change of intermediate in the reactor, then in tolerance band, guarantee that by adjusting process the quality of intermediate changes towards the set goal, thereby guarantee the steady quality of every a collection of extract.
Description of drawings
Fig. 1 is the structural representation (sampling detected state) of sampling system of the present utility model;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the structural representation (backwash process) of sampling system of the present utility model;
Fig. 4 is the side view of Fig. 3;
Fig. 5 is the structural representation (process of the sample tap of filtrated air recoil stopple coupon) of sampling system of the present utility model.
Description of reference numerals
1-reactor 2-stopple coupon
3-the first pipeline 4-the second pipeline
5-filtration unit 51-the first filtrator
52-the second filtrator 6-sampling pump
7-non-return valve 8-well heater
9-flow cell 10-the first counter-flushing pipeline
11-the second counter-flushing pipeline 12-the 3rd ball valve
13-the 7th ball valve 14-the 8th ball valve
15-the 9th ball valve 16-the tenth ball valve
17-the 4th ball valve 18-air recoil pipeline
19-the first ball valve 20-the second ball valve
21-sample valve 22-feed pipe
23-the 6th ball valve 24-the 5th ball valve
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail, but not as to restriction of the present utility model.
As depicted in figs. 1 and 2, sampling system of the present utility model, for the reactor 1 that is arranged on Chinese medicine production, described sampling system comprises stopple coupon 2, the first pipeline 3, the second pipeline 4 and filtration unit 5.One end of stopple coupon 2 stretches into and is used in the reactor 1 sample in the reactor 1 is taken out, the other end of stopple coupon 2 is connected with the first end of the first pipeline 3, the second end of the first pipeline 3 is connected with the charging aperture of filtration unit 5, the discharging opening of filtration unit 5 is connected with the first end of the second pipeline 4, and the second end of the second pipeline 4 is connected to reactor 1.Be provided with on the first pipeline 3 on sampling pump 6, the second pipelines 4 from first end to the second end and be provided with successively non-return valve 7, well heater 8 and be used for making the spectral instrument (not shown) carry out the flow cell 9 of spectrum data gathering.Namely the sample in the reactor 1 is pumped into stopple coupon 2, the first pipeline 3 and the second pipeline 4 by sampling pump 6, and returns in the reactor 1 after 9 interior being detected of the flow cell on being arranged on the second pipeline 4.Stopple coupon 2 extend in the reactor 1 from the middle part of reactor 1 in the present embodiment, and the second pipeline 4 then is connected to the top of reactor 1, and the sample after after testing turns back in the reactor 1 from the top of reactor 1.
Owing to set up stopple coupon 2, the first pipeline 3 and the second pipeline 4 that is communicated with reactor reactor 1 outside, sample that can reactor 1 is interior is in stopple coupon 2 is drawn into the first pipeline 3 and the second pipeline 4 in the present embodiment; Owing to set up filtration unit 5, the solid particle that exists in the sample can have been removed, in order to avoid affect testing result.For sample and the reactor 1 interior residing environment that guarantees to enter in the pipeline is consistent, set up well heater 8 at the second pipeline 4, the temperature of sample is consistent with temperature in the reactor 1 when guaranteeing to detect.
As a kind of preferred version of present embodiment, the sampling pump 6 in the present embodiment can adopt membrane pump.And in order to guarantee filter effect, with the impact of effective removal solid particle on testing result, filtration unit 5 comprises the first filtrator 51 and second filtrator 52 of series connection.The second end of the first pipeline 3 is connected with the charging aperture of the first filtrator 51, and the discharging opening of the first filtrator 51 is connected with the charging aperture of the second filtrator 52, and the discharging opening of the second filtrator 52 is connected with the first end of the second pipeline 4.If solid particle is less in the extract, also can be only with a filtrator.
Further preferred version as present embodiment, the first filtrator 51 and the second filtrator 52 are millipore filter or wire gauzee filter, and the aperture of the first filtrator 51 is 5 μ m, are used for filtering larger solid particle, the aperture of the second filtrator 52 is 1 μ m, is used for filtering less solid particle.
As another preferred version of present embodiment, as shown in Figure 1, in order in the situation that can no longer set up pipeline the sample in the reactor 1 to be taken out, the second pipeline 4 between non-return valve 7 and well heater 8 is provided with sample valve 21.Open sample valve 21 and just can flow out sample, in order to carry out other analyzing and testing.
As shown in Figure 1, the second end of the second pipeline 4 is connected on reactor 1 original feed pipe 22, is connected to reactor 1 by feed pipe 22 again, and the sample in the second pipeline 4 is turned back in the reactor 1.Be provided with on the feed end of feed pipe 22 be used to the 6th ball valve 23 of controlling whether charging.
In addition, after sampling system of the present utility model is used a period of time, the first filtrator 51 and the second filtrator 52 may occur to stop up and need to clean, therefore, as shown in Figure 3 and Figure 4, as a kind of preferred version, described sampling system of the present utility model also comprises the first counter-flushing pipeline 10 and the second counter-flushing pipeline 11.The second end that the first end of the first counter-flushing pipeline 10 is connected to the first pipeline 3, the first counter-flushing pipelines 10 between filtration unit 5 and the sampling pump 6 is connected to the second pipeline 4 between filtration unit 5 and the non-return valve 7.The second end that the first end of the second counter-flushing pipeline 11 is connected to the first pipeline 3, the second counter-flushing pipelines 11 between filtration unit 5 and the sampling pump 6 is connected with reactor 1.The first end of the first counter-flushing pipeline 10 is than the more close sampling pump 6 of the first end of the second counter-flushing pipeline 11.Be provided with the 3rd ball valve 12 on the first pipeline 3 between the first end of the first end of the first counter-flushing pipeline 10 and the second counter-flushing pipeline 11; Be provided with on the first end of the first counter-flushing pipeline 10 on the 7th ball valve 13, the second ends and be provided with the 8th ball valve 14; Be provided with the 9th ball valve 15 on the first end of the second counter-flushing pipeline 11; Be provided with the 4th ball valve 17 on the second pipeline 4 between the second end of non-return valve 7 and the first counter-flushing pipeline 10.
As shown in Figure 3, as another preferred version of present embodiment, the second end of the second counter-flushing pipeline 11 is connected on original feed pipe 22, then is connected to reactor 1 by feed pipe 22; Be provided with the 5th ball valve 24 on the second end of the second pipeline 4; The feed end of feed pipe 22 is provided with the 6th ball valve 23.
As the another kind of preferred version of present embodiment, stopple coupon 2 stretches on the end in the reactor 1 and is provided with the filter screen (not shown), in order to the sample from reactor 1 interior taking-up is carried out filtration first time.An end that namely stopple coupon 2 is stretched in the reactor 1 is that sample tap covers with filter screen, with the preliminary filtering of medicinal material particle that will be larger.No matter whether take a sample, this filter screen covers on stopple coupon 2 always and stretches on the sample tap in the reactor 1.
After using a period of time, the sample tap of stopple coupon 2 can stop up, need to recoil, with the particle removal that sticks on the filter screen, therefore, as shown in Figure 5, as preferably, described sampling system also comprises air recoil pipeline 18, and the first end of Air Reverse flushing pipeline 18 is communicated with stopple coupon 2, the second end of Air Reverse flushing pipeline 18 is used for being connected with the aseptic compressed air source, on the Air Reverse flushing pipeline 18 the first ball valve 19 is set; Be provided with the second ball valve 20 on the first end of the first pipeline 3.
The below briefly introduces the sampling leaching process of sampling system of the present utility model:
As depicted in figs. 1 and 2, in extraction of traditional Chinese medicine, when preparing to begin to carry out the intermediate quality testing, at first close the 6th ball valve 23, close sample valve 21, close the first ball valve 19, the 7th ball valve 13, the 8th ball valve 14, the 9th ball valve 15 and the tenth ball valve 16, open the second ball valve 20, the 3rd ball valve 12, the 4th ball valve 17 and the 5th ball valve 24, open sampling pump 6, sampling pump 6 is pumped into the liquid in the reactor 1 in the stopple coupon 2, in the second ball valve 24 enters into the first pipeline 3, then flow through successively the first filtrator 51 and the second filtrator 52, filter and remove the heavy solia particle of liquid, enter into the second pipeline 4 from the outlet intermediate out of the second filtrator 52, flow through well heater 8 on the second pipeline 4, heating makes it keep temperature constant state to intermediate, then spectroscopic data is read by the optical fiber of spectral instrument in the pond 9 that circulates in flow cell 9, the intermediate after detected is flowed through, and the 5th ball valve 24 turns back in the reactor 1 on the second pipeline 4.Namely in the testing process, mobile along the direction of arrow Fig. 1 from the intermediate of reactor 1 interior extraction.
Described spectral instrument can be near infrared, also can be ultraviolet, as long as can use the spectrometric instrument of Optical Fiber Transmission spectrum data all can use.Spectral instrument and flow cell 9 are connected with optical fiber, and its placement location is decided according to environment.If the license of reactor 1 surrounding enviroment can directly be placed on reactor 1 next door, the optical fiber that uses this moment is short.If reactor 1 surrounding enviroment are unfavorable for spectral instrument work, it can be positioned over the room of analyzing specially, this moment, optical fiber was longer.
As shown in Figure 3 and Figure 4, after sampling system of the present utility model is used a period of time, the first filtrator 51 and the second filtrator 52 may occur to stop up and need to clean, close the 6th ball valve 23 this moment, the first ball valve 19, the 3rd ball valve 12, the 4th ball valve 17 and the 5th ball valve 24, open sampling pump 6, liquid is from the reactor 1 interior first end that enters the first pipeline 3 by stopple coupon 2 through the second ball valve 20, then enter the first back flush pipeline 10 through the 7th ball valve 13, enter again the first end of the second pipeline 4 through the 8th ball valve 14, because the 4th ball valve 17 is closed, so liquid can only enter from the discharging opening of the second filtrator 52 back flush that the second filtrator 52 is realized the second filtrator 52, liquid enters the back flush that the first filtrator 51 is realized the first filtrator 51 from the charging aperture of the second filtrator 52 discharging opening by the first filtrator 51 again, removing the bonding solia particle of surface of filter medium, and then enter the second counter-flushing pipeline 11 through the 9th ball valve 15 and flow back in the reactor 1.Namely in backwash process, mobile along the direction of arrow Fig. 3 from the intermediate of reactor 1 interior extraction.
As shown in Figure 5, if the sample tap of stopple coupon 2 stops up, available filtrated air recoils.At this moment, close the second ball valve 20, open the first ball valve 19, filtrated air enters in the air recoil pipeline 18 by the first ball valve 19 and enters stopple coupon 1 again to reactor 1 in, removes the solia particle of the sample tap obstruction of stopple coupon 2.
Above embodiment is exemplary embodiment of the present utility model only, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art can make various modifications or be equal to replacement the utility model in essence of the present utility model and protection domain, this modification or be equal to replacement and also should be considered as dropping in the protection domain of the present utility model.

Claims (10)

1. a sampling system is arranged on the reactor of Chinese medicine production, it is characterized in that, described sampling system comprises stopple coupon, the first pipeline, the second pipeline and filtration unit;
One end of described stopple coupon stretches into and is used in the described reactor sample in the reactor is taken out, the other end of described stopple coupon is connected with the first end of described the first pipeline, the second end of described the first pipeline is connected with the charging aperture of described filtration unit, the discharging opening of described filtration unit is connected with the first end of described the second pipeline, and the second end of described the second pipeline is connected to described reactor;
Be provided with sampling pump on described the first pipeline, be provided with successively non-return valve, well heater and be used for making spectral instrument carry out the flow cell of spectrum data gathering from first end to the second end on described the second pipeline.
2. sampling system according to claim 1 is characterized in that, described sampling system also comprises the first counter-flushing pipeline and the second counter-flushing pipeline;
The first end of described the first counter-flushing pipeline is connected to the first pipeline between described filtration unit and the described sampling pump, and the second end of described the first counter-flushing pipeline is connected to the second pipeline between described filtration unit and the described non-return valve;
The first end of described the second counter-flushing pipeline is connected to the first pipeline between described filtration unit and the described sampling pump, and the second end of described the second counter-flushing pipeline is connected with described reactor;
The first end of described the first counter-flushing pipeline is provided with the 3rd ball valve than the more close described sampling pump of the first end of described the second counter-flushing pipeline on described the first pipeline between the first end of the first end of described the first counter-flushing pipeline and the second counter-flushing pipeline;
Be provided with the 7th ball valve on the first end of described the first counter-flushing pipeline, be provided with the 8th ball valve on the second end;
Be provided with the 9th ball valve on the first end of described the second counter-flushing pipeline;
Be provided with the 4th ball valve on the second described pipeline between the second end of described non-return valve and described the first counter-flushing pipeline.
3. sampling system according to claim 1 and 2, it is characterized in that, described sampling system also comprises the air recoil pipeline, the first end of described Air Reverse flushing pipeline is communicated with described stopple coupon, the second end of described Air Reverse flushing pipeline is used for being connected with the aseptic compressed air source, on the described Air Reverse flushing pipeline the first ball valve is set;
Be provided with the second ball valve on the first end of described the first pipeline.
4. sampling system according to claim 1 is characterized in that, described sampling pump is membrane pump.
5. sampling system according to claim 1 is characterized in that, described filtration unit comprises the first filtrator and second filtrator of series connection.
6. sampling system according to claim 5 is characterized in that, described the first filtrator and the second filtrator are millipore filter, and the aperture of described the first filtrator is 5 μ m, and the aperture of described the second filtrator is 1 μ m.
7. sampling system according to claim 1 is characterized in that, is provided with sample valve on the second pipeline between described non-return valve and the described flow cell.
8. sampling system according to claim 1 is characterized in that, described stopple coupon stretches on the end of described reactor and is provided with filter screen.
9. sampling system according to claim 2 is characterized in that, the second end of described the second pipeline is connected to described reactor by feed pipe.
10. sampling system according to claim 9 is characterized in that, the second end of described the second counter-flushing pipeline is connected to described reactor by described feed pipe, is provided with the tenth ball valve on the second end of described the second counter-flushing pipeline;
Be provided with the 5th ball valve on the second end of described the second pipeline;
The feed end of described feed pipe is provided with the 6th ball valve.
CN 201220478308 2012-09-18 2012-09-18 Sampling system Withdrawn - After Issue CN202869857U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103674617A (en) * 2012-09-18 2014-03-26 北京中医药大学 Sampling system
CN104089915A (en) * 2014-07-16 2014-10-08 广州白云山汉方现代药业有限公司 Method for detecting total flavone in production of herba epimedii

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103674617A (en) * 2012-09-18 2014-03-26 北京中医药大学 Sampling system
CN103674617B (en) * 2012-09-18 2016-08-17 北京中医药大学 A kind of sampler
CN104089915A (en) * 2014-07-16 2014-10-08 广州白云山汉方现代药业有限公司 Method for detecting total flavone in production of herba epimedii

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