CN201628641U - Continuous automatic sampling device for monitoring water quality - Google Patents

Continuous automatic sampling device for monitoring water quality Download PDF

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Publication number
CN201628641U
CN201628641U CN2010201671532U CN201020167153U CN201628641U CN 201628641 U CN201628641 U CN 201628641U CN 2010201671532 U CN2010201671532 U CN 2010201671532U CN 201020167153 U CN201020167153 U CN 201020167153U CN 201628641 U CN201628641 U CN 201628641U
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CN
China
Prior art keywords
pipe
washing
purge
water
sampling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2010201671532U
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Chinese (zh)
Inventor
谭自强
王强
史毅
陈双好
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHANGSHA HASKY ENVIRONMENTAL PROTECTION TECHNOLOGY DEVELOPMENT CO., LTD.
Original Assignee
Changsha China Huashijie Science & Technology Development Co Ltd
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Priority to CN2010201671532U priority Critical patent/CN201628641U/en
Application granted granted Critical
Publication of CN201628641U publication Critical patent/CN201628641U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a continuous automatic sampling device for monitoring water quality. The device comprises a sample cup. A sampling tube and a sample discharge tube are arranged on the sample cup, the sample cup is connected with a water washing assembly and a gas washing assembly by a washing tube, and a washing control valve is arranged on the washing tube. The water washing assembly comprises a water tank, and the water tank is communicated with the washing tube by a water washing tube and a water washing pump. The gas washing assembly comprises a gas washing tube and a gas washing control valve which are communicated with an external gas source, the gas washing tube is communicated with the washing tube, and the washing control valve, the gas washing control valve and the water washing pump are connected with a control assembly. The utility model provides a continuous automatic sampling device for monitoring water quality, having the advantages of simple and compact structure, simple operation, high automation degree, prompt sampling and washing and high accuracy.

Description

The continuous automatic sampling apparatus that is used for water quality monitoring
Technical field
The utility model is mainly concerned with the water quality monitoring apparatus field, refers in particular to the sampling apparatus that a kind of water quality monitoring is used.
Background technology
In a lot of occasions, such as the discharge water of enterprise, the water quality monitoring in the production run, all need water quality some part is wherein carried out continual sampling, the line trace of going forward side by side detects.At present, the way of a lot of enterprises is to arrange the special messenger to carry out the sampling of not timing, in the laboratory it is carried out analysis of experiments again.This method is time-consuming, is difficult to satisfy the requirement of the information of obtaining fast, accurately and timely in environmental administration or the technology.
The utility model content
The technical problems to be solved in the utility model just is: at the technical matters that prior art exists, the utility model provide a kind of simple and compact for structure, easy and simple to handle, automaticity is high, sampling and clean in time, the continuous automatic sampling apparatus that is used for water quality monitoring that degree of accuracy is high.
For solving the problems of the technologies described above, the utility model by the following technical solutions.
A kind of continuous automatic sampling apparatus that is used for water quality monitoring, comprise the sample cup, described sample cup is provided with sampling pipe and nesting tube, it is characterized in that: described sample cup links to each other with the air purge assembly with washing component by purge pipe, described purge pipe is provided with purge control valve, described washing component comprises water tank, described water tank is communicated with purge pipe by washing pipe, washing pump, described air purge assembly comprises air purge pipe and the air purge operation valve that is connected with external air source, described air purge pipe is communicated with purge pipe, and described purge control valve, air purge operation valve, washing pump link to each other with Control Component.
As further improvement of the utility model:
Described purge pipe is connected with sampling pipe by three-way connection, suction nozzle purge pipe, and described suction nozzle purge pipe is provided with the suction nozzle purge control valve.
Sampling pipe between described suction nozzle purge pipe and the sample cup is provided with the sampling pipe scavenging pump.
Described washing pipe is provided with first non-return valve, and described air purge pipe is provided with second non-return valve.
Be provided with the low liquid level sensor of high liquid level sensor of the water tank that links to each other with Control Component and water tank in the described water tank, be provided with the high liquid level sensor of sample cup and the low liquid level sensor of sample cup that link to each other with Control Component in the described sample cup.
Described water tank is provided with water inlet and freeing port, and described water inlet links to each other with water inlet pipe, and described water inlet pipe is provided with the rinse water water inlet control valve, and described freeing port links to each other with drainpipe.
Compared with prior art, advantage of the present utility model just is: the utility model is used for the continuous automatic sampling apparatus of water quality monitoring, simple and compact for structure, easy and simple to handle, automaticity is high, sampling and clean in time, degree of accuracy is high, can carry out real-time sampling and real-time analysis detection to water quality, and can guarantee the degree of accuracy of sampling, thereby guaranteed the high precision and the high-timeliness of water quality measurement, also greatly reduced testing staff's labour intensity.
Description of drawings
Fig. 1 is a structural principle synoptic diagram of the present utility model.
Marginal data
1, sample cup; 101, sampling pipe; 102, nesting tube; 103, purge pipe; 104, purge control valve; 105, suction nozzle purge pipe; 106, suction nozzle purge control valve; 107, sampling pipe scavenging pump; 108, sample water discharging valve; 109, suction nozzle; 2, water tank; 201, washing pipe; 202, washing pump; 203, first non-return valve; 204, water inlet pipe; 205, rinse water water inlet control valve; 206, drainpipe; 301, air purge pipe; 302, air purge operation valve; 303, second non-return valve; 4, Control Component; 5, sample tank.
Embodiment
Below with reference to specific embodiment and Figure of description the utility model is described in further details.
As shown in Figure 1, the utility model is used for the continuous automatic sampling apparatus of water quality monitoring, comprises sample cup 1, and sample cup 1 is provided with sampling pipe 101 and nesting tube 102, sampling pipe 101 is gathered test sample water to be checked by suction nozzle 109 in sample tank 5, nesting tube 102 is provided with sample water discharging valve 108.Sample cup 1 links to each other with the air purge assembly with washing component by purge pipe 103, the purpose of washing component and air purge assembly is that pretreatment element and main ducted fouling, sediment, bacterium are given to remove, if the water quality of gathering is easy to blocking pipeline, can guarantee the effect that pipeline cleans with the air purge assembly, drop to minimumly with the error that will measure, the air purge assembly is intermittent carrying out.Purge pipe 103 is provided with purge control valve 104, and purge control valve 104 is positioned near sample cup 1 one section.Washing component comprises water tank 2, and water tank 2 is communicated with purge pipe 103 by washing pipe 201, washing pump 202, and water tank 2 is provided with water inlet and freeing port, and water inlet links to each other with water inlet pipe 204, is used for feeding rinse water, and this rinse water can adopt rinse water.Water inlet pipe 204 is provided with rinse water water inlet control valve 205, and freeing port links to each other with drainpipe 206.The air purge assembly comprises air purge pipe 301 and the air purge operation valve 302 that is connected with external air source, air purge pipe 301 is communicated with purge pipe 103, purge pipe 103 is connected with sampling pipe 101 by three-way connection, suction nozzle purge pipe 105, and suction nozzle purge pipe 105 is provided with suction nozzle purge control valve 106.In the present embodiment, air purge pipe 301,201 and one sections connecting pipes of washing pipe link to each other by a three-way connection, and connecting pipe links to each other by another three joints with purge pipe 103, suction nozzle purge pipe 105 again after drawing through three-way connection.Sampling pipe 101 between suction nozzle purge pipe 105 and the sample cup 1 is provided with sampling pipe scavenging pump 107, by the rinse water that sampling pipe scavenging pump 107 can be introduced in the washing pipe 201 whole sampling pipe 101 is washed.Above-mentioned various operation valve all links to each other with Control Component 4 with pump, and Control Component 4 mainly comprises elements such as PLC, stabilized voltage supply and relay, and this part is used for guaranteeing that sampling section and cleaning part realize fully automatic operation according to the actual conditions at scene; Various operation valves all can adopt solenoid valve; The selection of all pipeline equipment should be taken into account Acidity of Aikalinity, corrosivity, temperature, turbidity of water quality etc., can adjust according to the actual conditions at scene.
In the present embodiment, washing pipe 201 is provided with first non-return valve 203, air purge pipe 301 is provided with second non-return valve 303, by first non-return valve 203 and second non-return valve 303 are set, just can not occur, and enter the phenomenon of air purge pipe 301 because of hydraulic pressure makes water because of air pressure makes the phenomenon that liquid overflows in the water tank 2.
In the present embodiment, be provided with the low liquid level sensor of high liquid level sensor of the water tank that links to each other with Control Component 4 and water tank in the water tank 2, be used for real-time liquid level in the monitoring water tank 2; Be provided with the high liquid level sensor of sample cup and the low liquid level sensor of sample cup that link to each other with Control Component 4 in the sample cup 1, be used for monitoring the real-time liquid level in the sample cup 1.
Principle of work:
During startup, under the control of Control Component 4, open rinse water water inlet control valve 205 earlier, make water tank 2 be in into water state.When the high liquid level sensor of water tank sends signal, then stop into water; Simultaneously, open sample water discharging valve 108 and carry out 1 discharging of sample cup, have signal to spread out of until the low liquid level sensor of water tank.
Clean-out operation: behind the no remaining sample liquid, system is at first cleaned sample cup 1 in guaranteeing sample cup 1.Under the control of Control Component 4, the purge control valve 104 on the purge pipe 103 is opened, and the sample water discharging valve 108 of sample cup 1 is also opened, and washing pump 202 is realized cleaning (time is about 2min) by rinse water to the sample cup 1 that washing pipe 201 extracts in the water tank 2; Then, close purge control valve 104, air purge operation valve 302, the suction nozzle purge control valve 106 on the suction nozzle purge pipe 105, sampling pipe scavenging pump 107, washing 202 pairs of suction nozzles 109 of pump and the sampling pipe 101 opened on the air purge pipe 301 clean.If the liquid level in the water tank 2 is in low level, then open the liquid level build-up high position of rinse water water inlet control valve 205 until water tank 2.The frequency of air purge is " blow 1s, 3s has a rest ", and the scavenging period of suction nozzle 109 is also kept 2min.
Sampling operation: after the cleaning of suction nozzle 109 and sampling pipe 101 finishes, close air purge operation valve 302, suction nozzle purge control valve 106 and washing pump 202.After entering sampling element, do not close sample water discharging valve 108 immediately, close again after keeping 1min, thereby get rid of of the interference of rinse water sample liquid concentration.When treating that sample liquid in the sample cup 1 attains to a high place liquid level, the high liquid level sensor of sample cup sends signal and gives Control Component 4, stops sampling.
Discharge operation: after sample liquid to be collected in the sample cup 1 was analyzed, data sent host computer to.Remaining sample liquid discharges immediately in the sample cup 1.Open sample water discharging valve 108, send signal until the low liquid level sensor of sample cup and give Control Component 4.After sample liquid discharging finished in sample cup 1, system entered the clean-out operation link immediately automatically, prevented that remaining sample liquid from making sampling pipe 101 and sample cup 1 contaminated.
Standby: end to be cleaned, system enters holding state, until entering next circulation (1h).
The above only is a preferred implementation of the present utility model, and protection domain of the present utility model also not only is confined to the foregoing description, and all technical schemes that belongs under the utility model thinking all belong to protection domain of the present utility model.Should be pointed out that for those skilled in the art in the some improvements and modifications that do not break away under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (6)

1. continuous automatic sampling apparatus that is used for water quality monitoring, comprise sample cup (1), described sample cup (1) is provided with sampling pipe (101) and nesting tube (102), it is characterized in that: described sample cup (1) links to each other with the air purge assembly with washing component by purge pipe (103), described purge pipe (103) is provided with purge control valve (104), described washing component comprises water tank (2), described water tank (2) is by washing pipe (201), washing pump (202) is communicated with purge pipe (103), described air purge assembly comprises air purge pipe (301) and the air purge operation valve (302) that is connected with external air source, described air purge pipe (301) is communicated with purge pipe (103), described purge control valve (104), air purge operation valve (302), washing pump (202) links to each other with Control Component (4).
2. the continuous automatic sampling apparatus that is used for water quality monitoring according to claim 1, it is characterized in that: described purge pipe (103) is connected with sampling pipe (101) by three-way connection, suction nozzle purge pipe (105), and described suction nozzle purge pipe (105) is provided with suction nozzle purge control valve (106).
3. the continuous automatic sampling apparatus that is used for water quality monitoring according to claim 2 is characterized in that: the sampling pipe (101) between described suction nozzle purge pipe (105) and the sample cup (1) is provided with sampling pipe scavenging pump (107).
4. according to claim 1 or the 2 or 3 described continuous automatic sampling apparatus that are used for water quality monitoring, it is characterized in that: described washing pipe (201) is provided with first non-return valve (203), and described air purge pipe (301) is provided with second non-return valve (303).
5. according to claim 1 or the 2 or 3 described continuous automatic sampling apparatus that are used for water quality monitoring, it is characterized in that: be provided with the high liquid level sensor of water tank and the low liquid level sensor of water tank that link to each other with Control Component (4) in the described water tank (2), be provided with the high liquid level sensor of sample cup and the low liquid level sensor of sample cup that link to each other with Control Component (4) in the described sample cup (1).
6. according to claim 1 or the 2 or 3 described continuous automatic sampling apparatus that are used for water quality monitoring, it is characterized in that: described water tank (2) is provided with water inlet and freeing port, described water inlet links to each other with water inlet pipe (204), described water inlet pipe (204) is provided with rinse water water inlet control valve (205), and described freeing port links to each other with drainpipe (206).
CN2010201671532U 2010-04-22 2010-04-22 Continuous automatic sampling device for monitoring water quality Expired - Lifetime CN201628641U (en)

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Application Number Priority Date Filing Date Title
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102175622A (en) * 2011-01-21 2011-09-07 长沙开元仪器股份有限公司 Method and device for detecting automatic sample injection of laboratory liquid
CN103115799A (en) * 2013-01-25 2013-05-22 株洲冶炼集团股份有限公司 Powerless sampling device capable of automatically and rapidly sucking solution
CN103398743A (en) * 2013-08-07 2013-11-20 广州中国科学院沈阳自动化研究所分所 Mobile water quality monitoring device, system and method
CN105738158A (en) * 2016-03-17 2016-07-06 北京市水科学技术研究院 Device for automatically sampling natural rainfall in different time periods
CN108051258A (en) * 2018-02-07 2018-05-18 广州发展集团股份有限公司 Sampling of wastewater system and its control method
WO2019071385A1 (en) * 2017-10-09 2019-04-18 卓金星 Monitoring device for fermentation system
CN110806336A (en) * 2019-10-29 2020-02-18 陈文金 Water quality testing sampling equipment in batches
CN111426518A (en) * 2020-06-10 2020-07-17 佛山市稚蒙环境科技有限公司 Online fluid sampling device and sampling method

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102175622A (en) * 2011-01-21 2011-09-07 长沙开元仪器股份有限公司 Method and device for detecting automatic sample injection of laboratory liquid
CN103115799A (en) * 2013-01-25 2013-05-22 株洲冶炼集团股份有限公司 Powerless sampling device capable of automatically and rapidly sucking solution
CN103398743A (en) * 2013-08-07 2013-11-20 广州中国科学院沈阳自动化研究所分所 Mobile water quality monitoring device, system and method
CN103398743B (en) * 2013-08-07 2015-12-23 广州中国科学院沈阳自动化研究所分所 Mobile water quality monitoring device, system and method
CN105738158A (en) * 2016-03-17 2016-07-06 北京市水科学技术研究院 Device for automatically sampling natural rainfall in different time periods
CN105738158B (en) * 2016-03-17 2018-05-08 北京市水科学技术研究院 Natural rainfall automatic sampling apparatus at times
WO2019071385A1 (en) * 2017-10-09 2019-04-18 卓金星 Monitoring device for fermentation system
CN108051258A (en) * 2018-02-07 2018-05-18 广州发展集团股份有限公司 Sampling of wastewater system and its control method
CN110806336A (en) * 2019-10-29 2020-02-18 陈文金 Water quality testing sampling equipment in batches
CN111426518A (en) * 2020-06-10 2020-07-17 佛山市稚蒙环境科技有限公司 Online fluid sampling device and sampling method

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP03 Change of name, title or address

Address after: 410005 Changsha province hi tech Development Zone, Hunan Sheng Road, No. 673

Patentee after: CHANGSHA HASKY ENVIRONMENTAL PROTECTION TECHNOLOGY DEVELOPMENT CO., LTD.

Address before: 410013 6 floor, Dr. Pioneer Park, Changsha hi tech Development Zone, Hunan

Patentee before: Changsha China Huashijie Science & Technology Development Co., Ltd.

Address after: 410005 Changsha province hi tech Development Zone, Hunan Sheng Road, No. 673

Patentee after: CHANGSHA HASKY ENVIRONMENTAL PROTECTION TECHNOLOGY DEVELOPMENT CO., LTD.

Address before: 410013 6 floor, Dr. Pioneer Park, Changsha hi tech Development Zone, Hunan

Patentee before: Changsha China Huashijie Science & Technology Development Co., Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20101110