CN217484278U - Anti-siphon structure for outlet discharge of flow cell - Google Patents
Anti-siphon structure for outlet discharge of flow cell Download PDFInfo
- Publication number
- CN217484278U CN217484278U CN202123045279.XU CN202123045279U CN217484278U CN 217484278 U CN217484278 U CN 217484278U CN 202123045279 U CN202123045279 U CN 202123045279U CN 217484278 U CN217484278 U CN 217484278U
- Authority
- CN
- China
- Prior art keywords
- flow cell
- port
- flow
- cell
- siphon
- 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.)
- Active
Links
- 239000007788 liquid Substances 0.000 claims abstract description 73
- 239000002699 waste material Substances 0.000 claims abstract description 22
- 229910000619 316 stainless steel Inorganic materials 0.000 claims abstract description 5
- 239000000523 sample Substances 0.000 claims description 50
- 238000002347 injection Methods 0.000 claims description 18
- 239000007924 injection Substances 0.000 claims description 18
- 239000012530 fluid Substances 0.000 claims description 5
- 238000005070 sampling Methods 0.000 abstract description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 10
- 229910052760 oxygen Inorganic materials 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000005259 measurement Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
An anti-siphon structure for outlet discharge of a flow cell relates to the technical field of liquid sampling and comprises a flow cell, wherein an anti-siphon structure is connected to an outlet of the flow cell; the anti-siphon structure comprises a connecting assembly, a tee joint, a waste liquid pipe outlet and a vent pipe; the connecting assembly comprises a flow cell interface and an external environment interface, the flow cell interface is connected with the flow cell, and the external environment interface is connected with the tee joint; the tee joint comprises a first port, a second port and a third port, wherein the first port is connected with an external environment interface, the second port and the third port are positioned in the vertical direction, the opening of the second port is upward, and the opening of the third port is downward; no. two mouthful connection waste liquid tube outlet, No. three mouthful connection breather pipes, cooperation advance kind trip valve, relief pressure valve, advance kind flowmeter and 316 stainless steel's flow-through cell, utilize tee bend and breather pipe to eliminate the siphon that outlet pipe produced and keep not having the bubble to exist in the flow-through cell, realize eliminating siphonage's purpose, guarantee instrument measuring result's accuracy and authenticity simultaneously.
Description
Technical Field
The utility model relates to a liquid sample technical field, concretely relates to flow cell export discharges and prevents siphon structure.
Background
In the process of sampling and testing a liquid sample, bubbles can be generated in the process of conveying the sample liquid into a flow cell for measurement, and after the bubbles enter the flow cell for instrument measurement along a pipeline, the accuracy of the measured value of a pH (potential of Hydrogen), conductivity, dissolved oxygen and other partial analysis instruments and the authenticity of data can be indirectly influenced.
When liquid in a flow cell commonly used at present is discharged from an outlet pipeline, because the horizontal position of a pipeline connected with a liquid outlet of the flow cell is higher than a final liquid outlet of the liquid discharge due to the communication of the pipeline, the pipeline realizes the action principle of a communicating vessel, when the liquid-discharging pipeline is filled with liquid and bubbles are accumulated in the flow cell, the pressure of the final liquid outlet is higher than that of the liquid outlet of the flow cell, the liquid in the pipeline flows backwards into the flow cell, a siphonage phenomenon is generated, air is sucked into the flow cell, and the operation of the device is influenced; in the measuring process of the instrument, bubbles generated in the sample introduction pipeline influence the measuring accuracy and authenticity of the instrument.
SUMMERY OF THE UTILITY MODEL
To prior art not enough, the utility model aims to provide a structure that includes coupling assembling, tee bend, breather pipe and waste liquid pipe export with this structural connection in the exit of installing measuring instrument's flow-through cell, eliminated the bubble that produces in the pipeline and eliminated liquid simultaneously and got rid of the siphonage that probably produces from the flow-through cell for measuring instrument who installs in the flow-through cell can be accurate true record data, and concrete scheme is as follows:
the utility model provides a flow cell export discharges prevents siphon structure, is including receiving, keeping in and discharging fluidic flow cell, the flow cell is used for installing the measuring probe of instrument to fluid to flowing through the flow cell is monitored, flow cell intercommunication waste liquid pipe export, its characterized in that, be equipped with on the intercommunication passageway of flow cell and waste liquid pipe export and prevent the siphon structure.
The anti-siphon structure comprises a connecting assembly, a tee joint and a vent pipe;
the connecting assembly comprises a flow cell interface and an external environment interface, the flow cell interface is connected with the flow cell, and the external environment interface is connected with the tee joint;
the tee joint comprises a first port, a second port and a third port, wherein the first port is connected with an external environment interface, the second port and the third port are positioned in the vertical direction, the opening of the second port is upward, and the opening of the third port is downward; no. two mouthful connection waste liquid tube exports, No. three mouthful connection breather pipe.
Wherein, the flow cell is communicated with the sample inlet pipeline
Wherein, a sample injection cut-off valve is connected on the communicating pipeline of the sample injection pipeline and the flow cell.
Wherein, the communicating pipeline of the sample injection cut-off valve and the flow cell is connected with a pressure reducing valve.
Wherein, the communicating pipe of the pressure reducing valve and the flow cell is connected with a sample injection flowmeter.
Wherein, the whole flow cell adopts 316 stainless steel material.
Wherein the sample injection cut-off valve is a ball valve which is horizontally arranged.
Compared with the prior art, the beneficial effects of the utility model are as follows:
(1) in the fluid passed through pipe-line transmission entering flow cell, the instrument probe measured the fluid in the flow cell, and the waste liquid was discharged from the waste liquid tube export that the flow cell is connected, through set up anti-siphon structure between the pipeline at flow cell and waste liquid tube export, played the effect of eliminating gas and bubble in the flow cell.
(2) The connecting assembly is matched with the tee joint to communicate the flow-through tank with the vent pipe and the outlet of the waste liquid pipe, the connecting assembly is horizontally connected with the first port of the tee joint, and the first port is simultaneously connected with the second port and the third port to form a key part of an anti-siphon structure;
through the anti-siphon structure, liquid flows through the connecting assembly, the first port and the third port from the flow cell in sequence in the liquid discharge process and is discharged from the outlet of the waste liquid pipe, wherein the second port is connected with external atmosphere so that a pipeline through which the liquid flows cannot form a closed communicating vessel structure, the pressure difference of the liquid at two ends in the pipe is eliminated, namely, the siphon phenomenon is eliminated, air is prevented from being sucked back into the flow cell along a drainage pipeline, and the accuracy and the stability of an instrument in the flow cell on sample measurement data are ensured;
simultaneously, the setting of anti-siphon structure makes, and the bubble that accumulates in the flow cell passes through No. two mouths final evacuation from the flow cell export along the pipeline, keeps not having gaseous existence in the flow cell, has eliminated the influence of bubble to instrument measuring result's accuracy and authenticity.
(3) Through set up the kind of a kind trip valve of ball valve on the route of introduction pipeline and intercommunication pond, when stopping sampling analysis, cut off the sample entering, stop to continue to carry sample liquid in the circulation cell, realize whether control fluid flows to the circulation cell.
(4) Through setting up the relief pressure valve, adjust the hydraulic pressure that gets into in the flow cell, make hydraulic pressure maintain the pressure that is suitable for the interior instrument measurement of flow cell, be convenient for the measurement of the interior measuring instrument of flow cell.
(5) Through setting up the appearance flowmeter of advancing, adjust the sample flow who gets into the flow-through cell, guarantee the stability of sample flow and will advance kind flow datamation, reduce the influence of flow size difference to instrument measuring result, reduce the error.
(6) The flow cell is made of 316 stainless steel, has good corrosion resistance, atmospheric corrosion resistance and high-temperature strength, can be used under severe conditions, and has excellent processing hardenability and no magnetism.
Drawings
FIG. 1 is a schematic view of the connection of the components of the present invention;
FIG. 2 is a schematic view of the whole connection of the present invention
FIG. 3 is an enlarged view of the connection relationship between the positions of the anti-siphon structures with the reference numbers: 1. a sample introduction pipeline; 2. a sample injection cut-off valve; 3. a pressure reducing valve; 4. a sample introduction flowmeter; 5. a flow-through cell; 6. a flow cell interface; 7. an external environment interface; 8. a connecting assembly; 9. a tee joint; 10. a waste tube outlet; 11. a breather pipe; 12. a first opening; 13. a second port; 14. a third opening; 15. an anti-siphon structure.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.
The utility model discloses a flow cell and pipeline adopt 316 stainless steel, are applicable to the liquid sample detection who does not contain in the sample and easily fires, explosive, poisonous, harmful substance, are applicable to the high pressure and advance the appearance, the operating mode that the ordinary pressure discharged.
During use of the detection system, the type of analytical measuring instrument therein encompasses measuring pH, conductivity, dissolved oxygen, etc. In this embodiment, the analyzer is used to measure the dissolved oxygen content in the liquid.
During the detection, the liquid sample to be detected may generate bubbles during the whole circulation process of the pipe system, and the generated bubbles entering the flow cell may cause the value measured by the measuring electrode to fluctuate. When the sample in the flow cell 5 is not full, air can affect the result measured by the measuring electrode, and in the period of time, the deviation of the measuring result of the instrument and the actual condition of the liquid is large, and the data fluctuation is large and unreal.
Therefore, referring to fig. 2, the whole detection system is provided with a sample inlet pipe 1, a sample inlet cut-off valve 2, a pressure reducing valve 3, a sample inlet flow meter 4, a flow cell 5 and a waste liquid pipe outlet 10, and particularly, an anti-siphon structure 15 is provided between the connecting pipelines of the flow cell 5 and the waste liquid pipe outlet 10.
Wherein, the sampling pipeline 1 is through pipeline horizontal connection sampling trip valve 2, sampling trip valve 2 is the ball valve, sampling trip valve 2 is through pipeline horizontal connection relief pressure valve 3, relief pressure valve 3 is through pipe connection sampling flowmeter 4, sampling flowmeter 4 is through the import of pipe connection flow-through cell 5, the export level of flow-through cell 5 has connect coupling assembling 8, wherein the import of flow-through cell 5 is located the bottom of flow-through cell 5, the export of flow-through cell 5 is higher than the import.
The sample to be detected is input or stopped to be continuously input into the flow cell 5 through the sample introduction stop valve 2 controlled as a ball valve, the sample to be detected flows through the ball valve and then enters the pressure reducing valve 3 along the communicating pipeline, the pressure reducing valve 3 reduces the pressure of the liquid to be detected from the high-pressure state of the sample introduction inlet to the range suitable for the work of the sample introduction flowmeter 4, the liquid to be detected flows into the sample introduction flowmeter 4 along the communicating pipeline after being reduced by the pressure reducing valve 3, the sample introduction flowmeter 4 controls the flow of the liquid to be detected flowing into the flow cell 5 to be stable and display the output flow numerical value, and monitoring and recording are facilitated.
With reference to fig. 3, the anti-siphon structure 15 includes a connection assembly 8, a tee 9, and a vent pipe 11; the connecting assembly 8 comprises a flow cell interface 6 and an external environment interface 7, the tee joint 9 comprises a first port 12, a second port 13 and a third port 14, the flow cell interface 6 is horizontally connected with an outlet of the flow cell 5, the external environment interface 7 is connected with the first port 12, further, the second port 13 of the tee joint 9 is vertically upward in opening, and the third port 14 is vertically downward in opening; the second port 13 is connected with an air pipe 11, wherein the air pipe 11 is an inverted J-shaped pipeline, the third port 14 is communicated with a waste liquid pipe outlet 10, and the straight pipe waste liquid pipe outlet 10 is slightly inclined, so that residual liquid in the waste liquid pipe outlet 10 can be conveniently discharged.
In the sampling process, a sample to be measured sequentially flows through a sample injection cut-off valve 2, a pressure reducing valve 3 and a sample injection flow meter 4 from a sample injection pipeline 1 and finally flows into a flow cell 5 for measurement. In the sampling process, the sample injection cut-off valve 2 controls whether the liquid to be detected conveyed by the sample injection pipeline 1 enters a pipeline behind the sample injection pipeline through the ball valve; the liquid to be measured flows through the sampling cut-off valve 2 and then reaches the pressure reducing valve along the pipeline, and the pressure reducing valve 3 is used for reducing the pressure of the liquid to be measured, so that the hydraulic pressure is in a proper range; the liquid to be measured is processed by the pressure reducing valve 3 and then reaches the sample injection flowmeter 4 through a pipeline, and the sample injection flowmeter 4 adjusts the flow rate of the liquid and indicates the flow numerical value of the liquid limited by the flowmeter; at the moment, the liquid flow is stable and visible, the liquid pressure is moderate, and the liquid to be measured enters the flow cell 5 from the inlet at the bottom of the flow cell 8; liquid to be measured is detected by a measuring instrument in the flow cell 5, then the liquid flows to the tee joint 9 from the external environment interface 7, gas and liquid flow through the tee joint 9 to realize gas-liquid separation at the tee joint 9, the gas flows between the connecting component 8 and the vent pipe 11 through the second opening 13, and the liquid flows between the connecting component 8 and the waste liquid pipe outlet 10 through the third opening 14.
Specifically, the gas in the flow cell 5 passes through the connecting assembly 8 from the top outlet of the flow cell 5, flows out from the external environment interface 7, enters from the second opening 13 along the first opening 12, enters into the vent pipe 11 for emptying, and the liquid passes through the connecting assembly 8, flows out from the third opening 14 under the action of gravity, wherein the waste liquid pipe outlet 10 is slightly inclined to be arranged so that the liquid is left, and the connecting assembly 8 and the tee joint 9 are matched to avoid the siphon phenomenon generated in the drainage process, so that the safety of the detection device is improved.
The connecting component 8 is matched with the tee joint 9 to communicate the flow cell 5 with the vent pipe 11 and the waste liquid pipe outlet 10, the connecting component 9 is horizontally connected with a first opening 12 of the tee joint, and the first opening 12 is simultaneously connected with a second opening 13 and a third opening 14 to form a key part of an anti-siphon structure;
through the anti-siphon structure 8, liquid flows through the connecting component 8 and the first opening 12 in sequence from the flow cell 5 in the liquid discharging process, wherein gas flows along the second opening 13, and liquid flows along the third opening 14. The second port 13 is connected with the outside atmosphere, so that a pipeline through which liquid flows cannot form a closed communicating vessel structure, the pressure difference of the liquid at two ends in the pipeline is eliminated, namely, the siphon phenomenon is eliminated, air is prevented from being sucked back into the flow cell 5 along a drainage pipeline, and the accuracy and the stability of the instrument in the flow cell 5 on the measurement data of the sample are ensured;
meanwhile, the anti-siphon structure 15 is arranged, so that bubbles accumulated in the flow cell 5 reach the tee joint from the outlet of the flow cell 5 along the connecting pipeline, and finally the second air is exhausted from the opening 13, so that no gas exists in the flow cell 5, and the influence of the bubbles on the accuracy and authenticity of instrument measurement is eliminated. The analyzer in this embodiment is exemplified by measuring the dissolved oxygen content in a liquid, in which an electrode for measuring the dissolved oxygen content in the liquid is installed in the flow cell 5, and the measured value is affected by bubbles in the liquid and oxygen in the air. The anti-siphon structure 15 prevents the accumulation of air bubbles in the flow cell 5, and ensures the stability and accuracy of the measured data of the dissolved oxygen electrode.
The sample is obtained by processing the pressure reducing valve 3 and the sample injection flowmeter 4, the liquid to be tested with normal pressure and known flow flows in from the bottom of the flow cell 5 and flows out from the outlet higher than the bottom, the dissolved oxygen electrode tests the content of dissolved oxygen in the liquid to be tested in the flow cell 5, the sample injection flowmeter 4 ensures the stability of the sample flow and reduces the influence of flow fluctuation on the measured value of the dissolved oxygen.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides a flow cell export is discharged and is prevented siphon structure, includes injection pipeline (1) and receiving, keeps in and discharges fluidic flow cell (5), its characterized in that, is connected with on the intercommunication pipeline of injection pipeline (1) and flow cell (5) and advances a kind trip valve (2), advances a kind trip valve (2) and is connected with relief pressure valve (3) on the intercommunication pipeline of flow cell (5), is connected with on the intercommunication pipeline of relief pressure valve (3) and flow cell (5) and advances a kind flowmeter (4), flow cell (5) are used for installing instrument measuring probe to monitor the fluid of flow cell (5) through, flow cell (5) intercommunication waste liquid pipe export (10), be equipped with on the intercommunication passageway of flow cell (5) and waste liquid pipe export (10) and prevent siphon structure (15).
2. A flow-through cell outlet discharge anti-siphon structure, according to claim 1, characterized in that the anti-siphon structure (15) comprises a connection assembly (8), a tee (9), a breather pipe (11);
the connecting assembly (8) comprises a flow cell interface (6) and an external environment interface (7), the flow cell interface (6) is connected with the flow cell (5), and the external environment interface (7) is connected with the tee joint (9);
the tee joint (9) comprises a first port (12), a second port (13) and a third port (14), wherein the first port (12) is connected with the external environment interface (7), the second port (13) and the third port (14) are located in the vertical direction, the opening of the second port (13) faces upwards, and the opening of the third port (14) faces downwards.
3. A flow cell outlet discharge anti-siphon arrangement according to claim 1, characterised in that the flow cell (5) communicates with the sample inlet conduit (1).
4. A flow cell outlet drain anti-siphon arrangement, according to claim 1, characterised in that the flow cell (5) as a whole is made of 316 stainless steel.
5. A flow cell outlet discharge anti-siphon arrangement, according to claim 4, characterised in that the inlet shut-off valve (2) is a horizontally arranged ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123045279.XU CN217484278U (en) | 2021-12-06 | 2021-12-06 | Anti-siphon structure for outlet discharge of flow cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123045279.XU CN217484278U (en) | 2021-12-06 | 2021-12-06 | Anti-siphon structure for outlet discharge of flow cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217484278U true CN217484278U (en) | 2022-09-23 |
Family
ID=83301840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123045279.XU Active CN217484278U (en) | 2021-12-06 | 2021-12-06 | Anti-siphon structure for outlet discharge of flow cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217484278U (en) |
-
2021
- 2021-12-06 CN CN202123045279.XU patent/CN217484278U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107587868B (en) | Oil well metering integrated device | |
| CN109577940A (en) | A kind of ground-dipping uranium extraction gas control system and method | |
| CN101183087A (en) | Calibration system and calibration method for trace dissolved oxygen meter | |
| CN111392878A (en) | Circulating water quality effect on-line monitoring and automatic dosing system | |
| CN109751045B (en) | Overflow lost circulation monitoring method and device | |
| CN106770940B (en) | A kind of check device of gas analyzer system | |
| CN217484278U (en) | Anti-siphon structure for outlet discharge of flow cell | |
| CN214011217U (en) | Water quality detection device and water purifier | |
| CN113899871A (en) | Liquid path system of water quality online monitoring and quality control instrument and use method thereof | |
| CN211697762U (en) | Oil field production water on-line monitoring device | |
| CN204807498U (en) | Online continuous monitor's of deNOx systems escape ammonia device | |
| CN204085644U (en) | A kind of flow calibrating device | |
| CN208933283U (en) | A device for automatically filling crude oil descaling and anti-scaling agent on demand | |
| CN202501998U (en) | Gas sampling and detecting device | |
| CA2500737C (en) | Device and method for extracting liquid samples | |
| CN217084910U (en) | Can blow abluent water sample detection pipeline structure of sweeping | |
| CN215860130U (en) | Oil-water well mouth metering device | |
| RU59715U1 (en) | OIL, GAS AND WATER WELL PRODUCT METER | |
| CN2872061Y (en) | Liquid-phase leakage detector | |
| CN112067682B (en) | An online dissolved oxygen meter zero point calibration system and method | |
| CN107727528A (en) | The desorption of mash gas speed detecting method and device of a kind of no accumulated error | |
| CN110726657B (en) | A device for intuitively evaluating the impact of tailwater reinjection on core samples | |
| CN205067357U (en) | Mobile detection device of online intermittent type of quality of water | |
| CN209784299U (en) | Corrosion inhibitor on-line evaluation device for oil-gas-water multiphase flow mixed transportation | |
| CN113884628B (en) | Flow cell device for measuring fluid parameters in pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |