CN208125474U - A kind of back purge system of water sample VOCs pre-treatment - Google Patents
A kind of back purge system of water sample VOCs pre-treatment Download PDFInfo
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- CN208125474U CN208125474U CN201820574823.9U CN201820574823U CN208125474U CN 208125474 U CN208125474 U CN 208125474U CN 201820574823 U CN201820574823 U CN 201820574823U CN 208125474 U CN208125474 U CN 208125474U
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- water sample
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Abstract
The utility model discloses a kind of back purge systems of water sample VOCs pre-treatment, including water sample source, it further include quantity tube, for the sample channel of water sample circulation between the quantity tube and water sample source, the bottom of the quantity tube is equipped with the sample outlet pipe road flowed out for water sample, the sample channel, the solenoid valve of control water sample circulation is respectively equipped on sample outlet pipe road, it further include the gap set on the quantity tube upper surface to limit water level in pipe, and the drainage tube inside the quantity tube and being fixed on the quantity tube is inserted into from the gap, the upper orifice end face of the drainage tube and the upper surface of the quantity tube are flush.The utility model is easy to operate, the trouble for rearranging new pipeline is avoided, has achieved the purpose that a set of pipeline is a variety of and has used, simultaneously because being rinsed using water sample, avoid the phenomenon that residual occur using ultrapure water in the prior art, to improve the accuracy of detection and analysis.
Description
Technical field
The utility model relates to a kind of back purge systems of water sample VOCs pre-treatment.
Background technique
Currently, water sample VOCs pre-treatment is usually that purge and trap technology is used to realize, in order to guarantee the essence tested and analyzed
Degree, needs the cleaning being timed to the pipeline that water sample flows through.In the prior art, traditional backwash needs additional setting one
Pipeline is simultaneously cleaned using ultrapure water, is had a small amount of ultrapure water after the completion of cleaning and is remained in pipeline, and not only process is many and diverse,
Increase testing cost, but also will affect the accuracy of testing result.
Summary of the invention
The technical issues of the utility model solves is to provide a kind of back purge system of water sample VOCs pre-treatment.
The technical solution of the utility model is：A kind of back purge system of water sample VOCs pre-treatment, including water sample source, are also wrapped
The sample channel for including quantity tube, circulating between the quantity tube and water sample source for water sample, the bottom of the quantity tube is equipped with
For the sample outlet pipe road of water sample outflow, it is respectively equipped with the solenoid valve of control water sample circulation on the sample channel, sample outlet pipe road, also wraps
It includes and is set to the quantity tube upper surface to limit in pipe the gap of water level and be inserted into the quantity tube from the gap
Portion and the drainage tube being fixed on the quantity tube, the upper orifice end face of the drainage tube and the upper surface of the quantity tube are mutually neat
It is flat.
Further, drainage tube described in the utility model is vertically inserted in inside the quantity tube.
Further, the longitudinal length of drainage tube described in the utility model is no less than the one of the quantity tube longitudinal length
Half.
Further, the flowing that promising water sample is connected on water sample source described in the utility model provides the transfer tube of power.
Further, sample channel described in the utility model is equipped with the flow for measuring water sample flow in pipeline
Meter.
Further, quantity tube described in the utility model is equipped with and connects for connecting the sample introduction of the sample channel nozzle
Mouthful.
Further, filter device is equipped in sample introduction interface described in the utility model to filter the impurity in water sample.
The utility model has the following advantages that compared with prior art：
1）The utility model has both the function of flushing and quantitative sample injection, when flushing, opens the solenoid valve on sample channel, closes
The solenoid valve on sample outlet pipe road is closed, the water sample in water sample source is extracted by transfer tube, sample channel and quantity tube is rinsed,
And be discharged by drainage tube, it is also closed using quantity tube direct quantitative sample introduction when water sample is overflowed from drainage tube after the completion of rinsing
The solenoid valve closed on sample channel stops injection water sample, and quantitative water sample is discharged the solenoid valve opened on sample outlet pipe road,
It is easy to operate, the trouble for rearranging new pipeline is avoided, has achieved the purpose that a set of pipeline is a variety of and has used, simultaneously because using
Water sample is rinsed, and avoids the phenomenon that residual occur using ultrapure water in the prior art, to improve detection and analysis
Accuracy.
2）In the utility model, the specific Design of length by drainage tube is no less than to quantify the half of length of tube, so that drawing
Flow tube can draw the water sample of quantitative bottom of the tube first, and can increase the flow path of water sample in quantity tube, fill to reach
Distinguish the purpose for washing quantity tube.
3）In the utility model, the flowmeter being arranged on sample channel is conducive to the water for being precisely controlled flushing, avoids making
At waste, fine-grained management is realized.
4）In the utility model, the filter device being arranged in sample introduction interface can effectively filter the impurity in water sample, after being
The continuous accuracy tested and analyzed provides safeguard.
Detailed description of the invention
The utility model is further described with reference to the accompanying drawings and embodiments：
Fig. 1 is the concrete structure schematic diagram of the utility model.
Wherein：1, water sample source；2, quantity tube；21, sample introduction interface；3, solenoid valve；4, drainage tube；5, transfer tube；6, flow
Meter；L1, sample channel；L2, sample outlet pipe road.
Specific embodiment
Embodiment：
It is shown a kind of specific embodiment of the back purge system of water sample VOCs pre-treatment of the utility model in conjunction with attached drawing,
Firstly, including water sample source 1, the flowing that promising water sample is connected on the water sample source 1 provides the transfer tube 5 of power, further includes quantitative
Pipe 2, sample channel L1, the sample channel L1 between the quantity tube 2 and water sample source 1 for water sample circulation are equipped with use
In the flowmeter 6 of water sample flow in measurement pipeline, it can be precisely controlled the water of flushing by the flowmeter 6, avoid wave
Take, realizes fine-grained management.
The quantity tube 2 is equipped with the sample introduction interface 21 for connecting the sample channel L1 nozzle, the sample introduction interface
21 are set in 2 top of quantity tube and the sample introduction interface 21 equipped with filter device to filter the impurity in water sample, to be
The accuracy of subsequent detection analysis provides safeguard.
In addition, the bottom of the quantity tube 2 is additionally provided with the sample outlet pipe road L2 for water sample outflow, the sample channel L1, go out
The solenoid valve 3 of control water sample circulation is respectively equipped on sample pipeline L2.
Secondly, the back purge system further include be set to 2 upper surface of quantity tube with limit the gap of water level in pipe,
And the drainage tube 4 for being inserted into 2 inside of the quantity tube from the gap and being fixed on the quantity tube 2, and described draw
The upper orifice end face of flow tube 4 and the upper surface of the quantity tube 2 are flush.
As shown, the drainage tube 4 is vertically inserted in inside the quantity tube 2, and the longitudinal direction of the drainage tube 4 is long
Degree is no less than the half of 2 longitudinal length of quantity tube, so that drainage tube 4 can draw the water of 2 bottom of quantity tube first
Sample, and the flow path of water sample in quantity tube 2 can be increased, to achieve the purpose that sufficiently to clean quantity tube 2.
When the present embodiment specific works, when needing to be rinsed pipeline and quantity tube 2, the electricity on sample channel L1 is opened
Magnet valve 3 closes the solenoid valve 3 on sample outlet pipe road L2, starts transfer tube 5, and the water sample in water sample source 1 is flowed along sample channel L1
And quantity tube 2 is injected via sample introduction interface 21, water sample is sufficiently flowed in quantity tube 2 and is discharged first by drainage tube 4 quantitative
The water sample of 2 bottom of pipe, so that the flushing of sample channel L1 and quantity tube 2 are completed, it is also direct using quantity tube 2 after the completion of rinsing
Quantitative sample injection, when water sample is overflowed from drainage tube 4, the solenoid valve 3 closed on sample channel L1 stops injection water sample, opens out sample
Quantitative water sample is discharged solenoid valve 3 on pipeline L2.This back purge system has both the function of flushing and quantitative sample injection,
It is easy to operate, the trouble for rearranging new pipeline is avoided, has achieved the purpose that a set of pipeline is a variety of and has used, simultaneously because using
Next time, the water sample of measurement was rinsed, and avoided the phenomenon that residual occur using ultrapure water in the prior art, to improve
The accuracy of detection and analysis.
Certainly the above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with this
The people of technology can understand the content of the utility model and implement accordingly, and the protection model of the utility model can not be limited with this
It encloses.Any modifications made in accordance with the spirit of the main technical solutions of the utility model should all cover the guarantor in the utility model
Within the scope of shield.
Claims (7)
1. a kind of back purge system of water sample VOCs pre-treatment, including water sample source（1）, it is characterised in that：It further include quantity tube
（2）, be set to the quantity tube（2）With water sample source（1）Between for water sample circulation sample channel（L1）, the quantity tube（2）'s
Bottom is equipped with the sample outlet pipe road flowed out for water sample（L2）, the sample channel（L1）, sample outlet pipe road（L2）On be respectively equipped with control
The solenoid valve of water sample circulation（3）, further include being set to the quantity tube（2）Upper surface with limit in pipe the gap of water level and
The quantity tube is inserted into from the gap（2）Inside is simultaneously fixed on the quantity tube（2）On drainage tube（4）, the drainage
Pipe（4）Upper orifice end face and the quantity tube（2）Upper surface be flush.
2. a kind of back purge system of water sample VOCs pre-treatment according to claim 1, it is characterised in that：The drainage tube
（4）Vertically it is inserted in the quantity tube（2）It is internal.
3. a kind of back purge system of water sample VOCs pre-treatment according to claim 2, it is characterised in that：The drainage tube
（4）Longitudinal length be no less than the quantity tube（2）The half of longitudinal length.
4. a kind of back purge system of water sample VOCs pre-treatment according to claim 1, it is characterised in that：The water sample source
（1）The flowing of the upper promising water sample of connection provides the transfer tube of power（5）.
5. a kind of back purge system of water sample VOCs pre-treatment according to claim 1, it is characterised in that：The sample feeding pipe
Road（L1）It is equipped with the flowmeter for measuring water sample flow in pipeline（6）.
6. a kind of back purge system of water sample VOCs pre-treatment according to claim 1, it is characterised in that：The quantity tube
（2）It is equipped with for connecting the sample channel（L1）The sample introduction interface of nozzle（21）.
7. a kind of back purge system of water sample VOCs pre-treatment according to claim 6, it is characterised in that：The sample introduction connects
Mouthful（21）The interior filter device that is equipped with is to filter the impurity in water sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820574823.9U CN208125474U (en) | 2018-04-20 | 2018-04-20 | A kind of back purge system of water sample VOCs pre-treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820574823.9U CN208125474U (en) | 2018-04-20 | 2018-04-20 | A kind of back purge system of water sample VOCs pre-treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208125474U true CN208125474U (en) | 2018-11-20 |
Family
ID=64185911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820574823.9U Active CN208125474U (en) | 2018-04-20 | 2018-04-20 | A kind of back purge system of water sample VOCs pre-treatment |
Country Status (1)
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|---|---|
| CN (1) | CN208125474U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112146936A (en) * | 2020-10-19 | 2020-12-29 | 安徽理工大学 | Portable water sample drawing device |
| CN113289397A (en) * | 2021-06-17 | 2021-08-24 | 江苏卫星新材料股份有限公司 | Cigarette is with connecing dress paper process water controlling means |
| CN114323803A (en) * | 2022-03-08 | 2022-04-12 | 潍坊市奎文区园林环卫服务中心 | Water quality sampling device for garden ecological management |
-
2018
- 2018-04-20 CN CN201820574823.9U patent/CN208125474U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112146936A (en) * | 2020-10-19 | 2020-12-29 | 安徽理工大学 | Portable water sample drawing device |
| CN113289397A (en) * | 2021-06-17 | 2021-08-24 | 江苏卫星新材料股份有限公司 | Cigarette is with connecing dress paper process water controlling means |
| CN114323803A (en) * | 2022-03-08 | 2022-04-12 | 潍坊市奎文区园林环卫服务中心 | Water quality sampling device for garden ecological management |
| CN114323803B (en) * | 2022-03-08 | 2022-05-20 | 潍坊市奎文区园林环卫服务中心 | Water quality sampling device for garden ecological management |
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