CN219695156U - Convertible multichannel marking liquid supply conveying system - Google Patents
Convertible multichannel marking liquid supply conveying system Download PDFInfo
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- CN219695156U CN219695156U CN202321357165.5U CN202321357165U CN219695156U CN 219695156 U CN219695156 U CN 219695156U CN 202321357165 U CN202321357165 U CN 202321357165U CN 219695156 U CN219695156 U CN 219695156U
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- 239000007788 liquid Substances 0.000 title claims abstract description 259
- 239000002699 waste material Substances 0.000 claims abstract description 70
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 69
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 41
- 238000009826 distribution Methods 0.000 claims abstract description 39
- 238000001514 detection method Methods 0.000 claims abstract description 33
- 238000002347 injection Methods 0.000 claims abstract description 17
- 239000007924 injection Substances 0.000 claims abstract description 17
- 239000012153 distilled water Substances 0.000 claims abstract description 9
- 238000003860 storage Methods 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims description 9
- 230000002572 peristaltic effect Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 abstract description 28
- 239000002351 wastewater Substances 0.000 abstract description 22
- 239000012530 fluid Substances 0.000 description 12
- 238000005070 sampling Methods 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- 239000010865 sewage Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
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Abstract
The utility model relates to the technical field of online wastewater detection, in particular to a switchable multichannel standard liquid supply and conveying system, which comprises electric control eight-way valves, wherein four valve ports below the electric control eight-way valves are respectively connected with four reagent liquid storage bottles through corresponding first drainage tubes and extend into the bottles, one valve port at the top of each electric control eight-way valve is connected with a vertically arranged electric control injection pump through an injection tube, two valve ports at two sides of each electric control eight-way valve of each electric control injection pump are respectively connected with a liquid distribution unit through liquid guide drainage tubes, the bottoms of each liquid distribution unit are respectively provided with a waste liquid discharge unit, and each liquid distribution unit is connected with a three-way valve group. The system can obtain the matched standard liquid for detection by liquid-liquid and reagent during detection of the wastewater sample, and meanwhile, various reagents and distilled water are arranged for standby, so that rapid liquid preparation under different detection requirement states can be effectively completed.
Description
Technical Field
The utility model relates to the technical field of online wastewater detection, in particular to a convertible multichannel standard liquid supply and conveying system.
Background
Industrial wastewater includes production wastewater, production sewage and cooling water, and refers to wastewater and waste liquid generated in an industrial production process, wherein the wastewater contains industrial production materials, intermediate products and byproducts which run off along with water, and pollutants generated in the production process.
The precondition of sewage treatment is that the quality of sewage must be correctly grasped. The composition of the sewage is extremely complex, and the basic property is difficult to be expressed by a single index, so that the water quality is mainly sampled and treated by adopting the on-line wastewater detection equipment at present.
For example, patent publication No. CN112326330a discloses a sampling device for waste water detection, its main structure includes the telescopic link, fixes the connecting rod at the telescopic link head perpendicularly and fixes the sampling tube at the connecting rod other end, rotate on the outer wall of one side of connecting rod and be connected with first sprocket, one side that the connecting rod was kept away from to first sprocket is fixed with the pivot, the outside movable sleeve of pivot is equipped with the sleeve, telescopic outside rotates and is connected with the fixed plate of fixing on the telescopic link, bottom one side of sampling tube is fixed with the inlet pipe, the outside of inlet pipe installs first ball valve, the one end of the regulating valve rod of first ball valve is fixed with the second sprocket, be connected through chain drive between first sprocket and the second sprocket.
It can be seen from the above patent that the prior art is mainly directed to the improvement of the sampling structure of wastewater detection, but the whole on-line wastewater detection equipment is not improved, and when the current on-line wastewater detection equipment is used for calibrating, the water sample and the standard liquid need to be manually switched, and the standard liquids with different concentrations are needed, and the rapid wastewater sampling and the comprehensive treatment of the standard liquid cannot be completed by simply relying on the sampling equipment.
In addition, the current on-line equipment supply system is realized by switching an automatic water quality sampler through an electric control peristaltic pump and a plurality of groups of electromagnetic valves, and the system can only supply water samples to and recover water samples from each on-line equipment respectively, and operators are required to go to the site to switch water samples and standard solutions, so that the working efficiency is greatly reduced, and the labor cost is increased; and when the wastewater detection operation is carried out, frequent replacement of the switching valve passage is carried out on the manual site, the control of the waste liquid and the standard liquid is not accurate, and the operation is carried out only by experience, so that the subsequent detection precision is not high.
Therefore, the utility model aims at improving the waste liquid and the standard liquid treatment of the waste water detection system in the prior art, so as to better solve the problems in the prior art.
Disclosure of Invention
The utility model aims to solve one of the technical problems, and adopts the following technical scheme: the utility model provides a convertible multichannel standard liquid feed conveying system, includes automatically controlled eight-way valve, four valve ports of automatically controlled eight-way valve below are connected four reagent stock solution bottles respectively through corresponding first drainage tube and are stretched into its bottle automatically controlled syringe pump that a vertical setting is connected through the injection tube in a valve port department at the top of automatically controlled eight-way valve two valve ports department of automatically controlled syringe pump both sides are connected with a liquid distribution unit through the drain tube respectively, the remaining two valve ports of automatically controlled eight-way valve all communicate with outside air under the open state, each liquid distribution unit's bottom all is furnished with waste liquid discharge unit, each liquid distribution unit is last to be connected with the tee bend valves.
In any of the above schemes, it is preferable that three reagent bottles among the four reagent bottles are respectively filled with a reagent, and the fourth reagent bottle is filled with distilled water.
In any of the above schemes, preferably, the liquid dispensing unit comprises a liquid dispensing cup which is fixedly arranged, a liquid dispensing cavity for dispensing liquid is arranged in the liquid dispensing cup, the bottom of the liquid dispensing cavity is communicated with the waste liquid discharging unit, the liquid guiding drainage tube above the liquid dispensing cavity extends to the inside of the liquid dispensing cavity, and the standard liquid suction tube of the three-way valve group extends to the bottom of the liquid dispensing cavity.
In any of the above solutions, preferably, the waste liquid discharging unit includes a waste liquid outlet pipe, a top of the waste liquid outlet pipe is connected with a bottom of the liquid distribution cavity at a corresponding position in a sealing manner, an electric control peristaltic pump and a waste liquid electric control three-way valve are installed on the waste liquid outlet pipe at intervals along a waste liquid flowing direction, and a tail end of the waste liquid outlet pipe is connected with an external waste liquid barrel, wherein one valve port of the waste liquid electric control three-way valve is connected with external air in an open state.
In any of the above solutions, it is preferable that an overflow pipe is connected to one side of an upper portion of each of the liquid preparing chambers, and an outlet end of a lower end of the overflow pipe is connected to a tee of a terminal pipe of the waste liquid outlet pipe at a corresponding position.
In any of the above schemes, preferably, an overflow electric control check valve is installed on the overflow pipe.
In any of the above schemes, preferably, the three-way valve group comprises an electric control three-way switching valve, a first valve port of the electric control three-way switching valve is connected with a standard liquid interface, a second valve port of the electric control three-way switching valve is connected with a port of the liquid guiding drainage tube at a corresponding position, and a third valve port of the electric control three-way switching valve is connected with a water sample interface.
In any of the above schemes, preferably, the tail end of each of the standard liquid interfaces is connected with external water quality detection equipment through a pump-carrying pipeline, and each of the water sample interfaces is connected with a water sampling pipe of an external water quality sampler through a pump-carrying pipeline.
Compared with the prior art, the utility model has the following beneficial effects:
1. the system can obtain the matched standard liquid for detection by liquid-liquid and reagent during detection of the wastewater sample, and meanwhile, various reagents and distilled water are arranged for standby, so that rapid liquid preparation under different detection requirement states can be effectively completed.
2. In addition, two liquid distribution cavities are arranged in the utility model, so that two identical or different waste water liquid distribution detections can be synchronously completed, and two external water quality detection devices can be simultaneously supplied with the prepared standard liquid to be detected; the whole liquid preparation efficiency of this system is high, and each valve, the pump body subassembly all adopt automatically controlled formula structure in the in-process of whole operation, can be convenient for carry out the flow of quick control transport.
3. The liquid preparation device has the advantages that after liquid preparation is completed, the residual liquid preparation can be conducted out rapidly as waste liquid by means of the waste liquid discharge units corresponding to the liquid preparation cavities, the influence on the next liquid preparation is avoided, the liquid preparation accuracy is effectively improved, the liquid preparation is conveniently used for later-stage waste water detection, and the waste water detection accuracy is indirectly improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or features are generally identified by like reference numerals throughout the drawings. In the drawings, the elements or components are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of a partial enlarged structure of a liquid dispensing unit according to the present utility model.
In the figure, a valve with eight through valves in electric control is shown as 1; 2. a first drainage tube; 3. a reagent reservoir; 4. a syringe; 5. an electric control injection pump; 6. a liquid-guiding drainage tube; 7. a liquid preparation cup; 8. a liquid preparation cavity; 9. a waste liquid eduction tube; 10. an electric control peristaltic pump; 11. an electric control three-way valve for waste liquid; 12. an overflow line; 13. an overflow electric control one-way valve; 14. an electric control three-way switching valve; 15. a standard liquid interface; 16. and (5) a water sample interface.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model. The specific structure of the utility model is shown in fig. 1-2.
Example 1: the switchable multichannel marking fluid supply and conveying system comprises an electric control eight-way valve 1, four valve ports below the electric control eight-way valve 1 are respectively connected with four reagent liquid storage bottles 3 through corresponding first drainage tubes 2 and extend into the bottles, one valve port at the top of the electric control eight-way valve 1 is connected with an electric control injection pump 5 which is vertically arranged through an injection tube 4, two valve ports at two sides of the electric control injection pump 5 are respectively connected with a fluid distribution unit through a fluid guide drainage tube 6, the remaining two valve ports of the electric control eight-way valve 1 are communicated with external air under an opening state, waste fluid discharge units are respectively arranged at the bottoms of the fluid distribution units, and three-way valve groups are respectively connected to the fluid distribution units. The multichannel standard liquid supply conveying system adopts the electric control eight-way valve 1 to realize the connection of a plurality of reagent liquid storage bottles 3, reagents or distilled water with different types and different contents can be extracted to the inside of the liquid distribution cavity 8 to be mixed with water sample liquid to form required standard liquid to be detected when the detection of a wastewater sample is carried out, the corresponding quantity of reagent can be extracted by utilizing the opening of the electric control injection pump 5 and the corresponding valve port of the electric control eight-way valve 1 when the actual reagent is extracted, then the opening and closing of the corresponding valve port of the electric control eight-way valve 1 are controlled to be converted so as to push the reagent absorbed by the electric control injection pump 5 into the corresponding liquid guide drainage tube 6 and press the reagent into the corresponding liquid distribution cavity 8, meanwhile, a water sample pipe of an external water sampler is controlled to be fed into the inside of the corresponding electric control three-way switching valve 14 through the water sample port 16 under the action of the water sample pipe, the water sample is fed into the corresponding liquid distribution cavity 8 by the corresponding valve port opened by the electric control three-way switching valve 14 at the moment, the corresponding pipeline where the corresponding standard liquid port is opened is controlled to be closed in the liquid distribution process, and the water quality is detected by utilizing the external water quality detecting equipment connected with the external water quality detector after the liquid distribution is completed, and the water quality is detected to be detected to the outside the pump body.
In any of the above schemes, preferably, the liquid dispensing unit includes a liquid dispensing cup 7 fixedly disposed, a liquid dispensing cavity 8 for dispensing liquid is disposed in the liquid dispensing cup 7, the bottom of the liquid dispensing cavity 8 is communicated with the waste liquid discharging unit, the liquid guiding drainage tube 6 above the liquid dispensing cavity 8 extends to the inside of the liquid dispensing cavity 8, and the standard liquid suction tube of the three-way valve set extends to the bottom of the liquid dispensing cavity 8. The liquid preparing cavity 8 arranged in the liquid preparing cup 7 can ensure that the reagent and the water sample enter and then realize rapid mixing to prepare the required standard liquid to be detected, and meanwhile, the residual standard liquid is discharged outwards as waste liquid after the standard liquid is sucked by the standard liquid suction pipe.
In any of the above solutions, preferably, the waste liquid discharging unit includes a waste liquid outlet pipe 9, a top of the waste liquid outlet pipe 9 is connected with a bottom of the liquid distribution cavity 8 at a corresponding position in a sealing manner, an electric control peristaltic pump 10 and a waste liquid electric control three-way valve 11 are installed on the waste liquid outlet pipe 9 at intervals along a waste liquid flowing direction, and a tail end of the waste liquid outlet pipe 9 is connected with an external waste liquid barrel, wherein one valve port of the waste liquid electric control three-way valve 11 is connected with external air in an open state. When the residual standard liquid in the liquid preparation cavity 8 is discharged, an electric control peristaltic pump 10 is adopted to start and introduce the waste liquid into the waste liquid eduction tube 9, and finally the waste liquid is discharged into the waste liquid barrel through the waste liquid eduction tube 9.
In any of the above embodiments, it is preferable that the end of each of the standard liquid interfaces 15 is connected to an external water quality detection device through a pump-equipped pipeline, and each of the water sample interfaces 16 is connected to a water sampling pipe of an external water quality sampler through a pump-equipped pipeline.
In any of the above schemes, preferably, the three-way valve group includes an electric control three-way switching valve 14, a first valve port of the electric control three-way switching valve 14 is connected with a standard liquid interface 15, a second valve port of the electric control three-way switching valve is connected with a port of the liquid guiding drainage tube 6 at a corresponding position, and a third valve port of the electric control three-way switching valve is connected with a water sample interface 16. The main function of the electric control three-way switching valve 14 is to control the switching of different valve ports, so that the conversion of different internal circulation channels can be controlled, when water samples are required to be conveyed into the corresponding liquid distribution cavity 8, the standard liquid interface 15 is controlled to enter through the water sample interface 16 and the third valve port, flow out of the second valve port and flow to the inside of the culture cavity through the liquid guide drainage tube 6, and after liquid distribution is finished, the water quality is detected by sucking through a pump body at the downstream of the standard liquid interface 15 and discharging through the first valve port.
Example 2: the switchable multichannel marking fluid supply and conveying system comprises an electric control eight-way valve 1, four valve ports below the electric control eight-way valve 1 are respectively connected with four reagent liquid storage bottles 3 through corresponding first drainage tubes 2 and extend into the bottles, one valve port at the top of the electric control eight-way valve 1 is connected with an electric control injection pump 5 which is vertically arranged through an injection tube 4, two valve ports at two sides of the electric control injection pump 5 are respectively connected with a fluid distribution unit through a fluid guide drainage tube 6, the remaining two valve ports of the electric control eight-way valve 1 are communicated with external air under an opening state, waste fluid discharge units are respectively arranged at the bottoms of the fluid distribution units, and three-way valve groups are respectively connected to the fluid distribution units.
In any of the above embodiments, it is preferable that three reagent bottles 3 among the four reagent bottles 3 are respectively filled with a reagent, and that a fourth reagent bottle 3 is filled with distilled water.
In addition, when the liquid is prepared, the reagent in each reagent liquid storage bottle and distilled water can be sequentially mixed and conveyed into the liquid preparation cavity 8 to form a matching liquid for detecting a later water sample.
The preparation of a plurality of different reagents can be carried out to mix with a water sample according to detection requirements.
In any of the above schemes, preferably, the liquid dispensing unit includes a liquid dispensing cup 7 fixedly disposed, a liquid dispensing cavity 8 for dispensing liquid is disposed in the liquid dispensing cup 7, the bottom of the liquid dispensing cavity 8 is communicated with the waste liquid discharging unit, the liquid guiding drainage tube 6 above the liquid dispensing cavity 8 extends to the inside of the liquid dispensing cavity 8, and the standard liquid suction tube of the three-way valve set extends to the bottom of the liquid dispensing cavity 8.
The liquid preparing cavity 8 arranged in the liquid preparing cup 7 can ensure that the reagent and the water sample enter and then realize rapid mixing to prepare the required standard liquid to be detected, and meanwhile, the residual standard liquid is discharged outwards as waste liquid after the standard liquid is sucked by the standard liquid suction pipe.
In any of the above solutions, preferably, the waste liquid discharging unit includes a waste liquid outlet pipe 9, a top of the waste liquid outlet pipe 9 is connected with a bottom of the liquid distribution cavity 8 at a corresponding position in a sealing manner, an electric control peristaltic pump 10 and a waste liquid electric control three-way valve 11 are installed on the waste liquid outlet pipe 9 at intervals along a waste liquid flowing direction, and a tail end of the waste liquid outlet pipe 9 is connected with an external waste liquid barrel, wherein one valve port of the waste liquid electric control three-way valve 11 is connected with external air in an open state.
When the residual standard liquid in the liquid preparation cavity 8 is discharged, an electric control peristaltic pump 10 is adopted to start and introduce the waste liquid into the waste liquid eduction tube 9, and finally the waste liquid is discharged into the waste liquid barrel through the waste liquid eduction tube 9.
In any of the above solutions, it is preferable that an overflow pipe 12 is connected to one side of the upper portion of each of the liquid preparing chambers 8, and the outlet ends of the lower ends of the overflow pipes 12 are connected to three-way pipes of the end pipes of the waste liquid outlet pipe 9 at corresponding positions.
When the amount of the liquid standard in the liquid distribution cavity 8 is excessive, the liquid standard can directly flow out to the tee joint of the tail end pipeline of the waste liquid eduction tube 9 through the overflow pipeline 12 and flow into the waste liquid barrel together, so that the proper amount of the matched liquid standard is reserved in the liquid distribution cavity 8.
In any of the above solutions, it is preferable that an overflow electronically controlled check valve 13 is mounted on the overflow line 12.
The overflow electric control one-way valve 13 can ensure that the redundant standard liquid in the liquid distribution cavity 8 can only flow from top to bottom and is reversely cut off, thereby effectively ensuring the control of the flowing direction of the water flow.
In any of the above schemes, it is preferable that the end of each of the standard liquid interfaces 15 is connected to an external water quality detection device through a pump-equipped pipeline, and each of the water sample interfaces 16 is connected to a water sampling pipe of an external water quality sampler through a pump-equipped pipeline.
In any of the above schemes, preferably, the three-way valve group includes an electric control three-way switching valve 14, a first valve port of the electric control three-way switching valve 14 is connected with a standard liquid interface 15, a second valve port of the electric control three-way switching valve is connected with a port of the liquid guiding drainage tube 6 at a corresponding position, and a third valve port of the electric control three-way switching valve is connected with a water sample interface 16.
The main function of the electric control three-way switching valve 14 is to control the switching of different valve ports, so that the conversion of different internal circulation channels can be controlled, when water samples are required to be conveyed into the corresponding liquid distribution cavity 8, the standard liquid interface 15 is controlled to enter through the water sample interface 16 and the third valve port, flow out of the second valve port and flow to the inside of the culture cavity through the liquid guide drainage tube 6, and after liquid distribution is finished, the water quality is detected by sucking through a pump body at the downstream of the standard liquid interface 15 and discharging through the first valve port.
The specific working principle is as follows:
the switchable multi-channel standard liquid supply and conveying system can be connected with a plurality of reagent liquid storage bottles 3 by adopting the electric control eight-way valve 1, when a wastewater sample is detected, reagents or distilled water with different types and different contents can be extracted into the liquid distribution cavity 8 to be mixed with the water sample to form required standard liquid to be detected, when actual reagents are extracted, the electric control injection pump 5 and the opening of corresponding valve ports of the electric control eight-way valve 1 can be used for extracting corresponding amounts of reagents, then the opening and closing of the corresponding valve ports of the electric control eight-way valve 1 are controlled to be switched so as to push the reagents sucked by the electric control injection pump 5 into corresponding liquid guide drainage tubes 6 and press the reagents into the corresponding liquid distribution cavities 8, after the actual pushing is finished, the valve ports of the electric control eight-way valve 1 can be switched to suck air and press the air into the corresponding liquid distribution cavities 8 to empty residual liquid in the corresponding liquid guide drainage tubes 6, and the accuracy of the reagents is ensured as much as possible.
Meanwhile, the water sample pipe of the external water quality sampler is controlled to send quantitative water sample into the corresponding electric control three-way switching valve 14 through the water sample interface 16 under the action of the upper pump body.
The water sample is sent into the corresponding liquid preparation cavity 8 to finish liquid preparation by means of the corresponding valve port opened by the electric control three-way switching valve 14, the pipeline where the corresponding standard liquid interface 15 is positioned is controlled to be closed in the liquid preparation process, the liquid preparation is opened after the liquid preparation is finished, and the mixed standard liquid is sucked into the external water quality detection equipment by utilizing the pump body on the pipeline connected with the external water quality detection equipment to carry out water quality detection. And when the standard liquid is sucked by the standard liquid suction pipe, the residual standard liquid is discharged outwards as waste liquid.
When the system detects a wastewater sample, the matched standard liquid for detection can be obtained by liquid preparation through the water liquid and the reagent, and meanwhile, a plurality of reagents and distilled water are arranged for standby, so that the rapid liquid preparation under different detection requirement states can be effectively completed; the two liquid distribution cavities 8 are arranged in the utility model, so that two identical or different waste water liquid distribution detections can be synchronously completed, and the prepared standard liquid to be detected can be simultaneously supplied to two external water quality detection devices; the system has high overall liquid preparation efficiency, and each valve and pump body component adopt an electric control structure in the whole operation process, so that the rapid control of the conveying flow can be conveniently carried out; the liquid preparation chamber 8 is arranged on the bottom of the liquid preparation chamber, and the liquid preparation chamber 8 is arranged on the bottom of the liquid preparation chamber.
The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions; any alternative modifications or variations to the embodiments of the present utility model will fall within the scope of the present utility model for those skilled in the art.
The present utility model is not described in detail in the present application, and is well known to those skilled in the art.
Claims (8)
1. The utility model provides a convertible multichannel mark liquid supply conveying system which characterized in that: the device comprises an electric control eight-way valve, four valve ports below the electric control eight-way valve are respectively connected with four reagent liquid storage bottles through corresponding first drainage tubes and extend into the bottles, one valve port at the top of the electric control eight-way valve is connected with an electric control injection pump which is vertically arranged through an injection tube, two valve ports at the two sides of the electric control eight-way valve are respectively connected with a liquid distribution unit through liquid guide drainage tubes, the remaining two valve ports of the electric control eight-way valve are communicated with the outside air under the opening state, the bottom of each liquid distribution unit is provided with a waste liquid discharge unit, and each liquid distribution unit is connected with a three-way valve group.
2. The convertible multi-channel label supply delivery system of claim 1, wherein: the four reagent liquid storage bottles are respectively provided with reagents, and the fourth reagent liquid storage bottle is internally provided with distilled water.
3. The convertible multi-channel label supply delivery system of claim 2, wherein: the liquid preparing unit comprises a liquid preparing cup which is fixedly arranged, a liquid preparing cavity for preparing liquid is formed in the liquid preparing cup, the bottom of the liquid preparing cavity is communicated with the waste liquid discharging unit, the liquid guiding drainage tube extends to the inside of the liquid preparing cavity above the liquid preparing cavity, and the standard liquid sucking tube of the three-way valve group extends to the bottom of the liquid preparing cavity.
4. A convertible multi-channel label supply delivery system as in claim 3, further comprising: the waste liquid discharge unit comprises a waste liquid eduction tube, the top of the waste liquid eduction tube is in sealing connection with the bottom of the liquid distribution cavity at a corresponding position, an electric control peristaltic pump and a waste liquid electric control three-way valve are arranged on the waste liquid eduction tube at intervals along the flowing direction of the waste liquid, the tail end of the waste liquid eduction tube is connected with an external waste liquid barrel, and one valve port of the waste liquid electric control three-way valve is connected with external air in an opening state.
5. The convertible multi-channel label supply delivery system of claim 4, wherein: and one side of the upper part of each liquid distribution cavity is respectively connected with an overflow pipeline, and the outlet end of the lower end of each overflow pipeline is respectively connected to a tee joint of the tail end pipeline of the waste liquid eduction pipe at the corresponding position.
6. The convertible multi-channel label supply delivery system of claim 5, wherein: an overflow electric control one-way valve is arranged on the overflow pipe.
7. The convertible multi-channel label supply delivery system of claim 6, wherein: the three-way valve group comprises an electric control three-way switching valve, a first valve port of the electric control three-way switching valve is connected with a standard liquid interface, a second valve port of the electric control three-way switching valve is connected with a port of the liquid guide drainage tube at a corresponding position, and a third valve port of the electric control three-way switching valve is connected with a water sample interface.
8. The convertible multi-channel label supply delivery system of claim 7, wherein: the tail end of each standard liquid interface is connected with external water quality detection equipment through a pump-carrying pipeline, and each water sample interface is connected with a water sample pipe of an external water quality sampler through the pump-carrying pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321357165.5U CN219695156U (en) | 2023-05-31 | 2023-05-31 | Convertible multichannel marking liquid supply conveying system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321357165.5U CN219695156U (en) | 2023-05-31 | 2023-05-31 | Convertible multichannel marking liquid supply conveying system |
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| CN219695156U true CN219695156U (en) | 2023-09-15 |
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| CN202321357165.5U Active CN219695156U (en) | 2023-05-31 | 2023-05-31 | Convertible multichannel marking liquid supply conveying system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117111445A (en) * | 2023-10-24 | 2023-11-24 | 南通市计量检定测试所 | Multi-channel calibration device for precision injection pump and improved PID control method |
-
2023
- 2023-05-31 CN CN202321357165.5U patent/CN219695156U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117111445A (en) * | 2023-10-24 | 2023-11-24 | 南通市计量检定测试所 | Multi-channel calibration device for precision injection pump and improved PID control method |
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