CN212540111U - A hydration speed test device - Google Patents
A hydration speed test device Download PDFInfo
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- CN212540111U CN212540111U CN202020884627.9U CN202020884627U CN212540111U CN 212540111 U CN212540111 U CN 212540111U CN 202020884627 U CN202020884627 U CN 202020884627U CN 212540111 U CN212540111 U CN 212540111U
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- reactor
- flow cell
- sample
- pipe
- spectrophotometer
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- 238000012360 testing method Methods 0.000 title claims abstract description 33
- 238000006703 hydration reaction Methods 0.000 title claims abstract description 30
- 230000036571 hydration Effects 0.000 title claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 239000012295 chemical reaction liquid Substances 0.000 claims abstract description 13
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims 1
- 238000005070 sampling Methods 0.000 abstract description 9
- 239000006185 dispersion Substances 0.000 abstract description 6
- 239000000243 solution Substances 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000011897 real-time detection Methods 0.000 abstract description 3
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 230000035699 permeability Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000010453 quartz Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229940094522 laponite Drugs 0.000 description 2
- XCOBTUNSZUJCDH-UHFFFAOYSA-B lithium magnesium sodium silicate Chemical compound [Li+].[Li+].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Na+].[Na+].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].O1[Si](O2)([O-])O[Si]3([O-])O[Si]1([O-])O[Si]2([O-])O3.O1[Si](O2)([O-])O[Si]3([O-])O[Si]1([O-])O[Si]2([O-])O3.O1[Si](O2)([O-])O[Si]3([O-])O[Si]1([O-])O[Si]2([O-])O3.O1[Si](O2)([O-])O[Si]3([O-])O[Si]1([O-])O[Si]2([O-])O3.O1[Si](O2)([O-])O[Si]3([O-])O[Si]1([O-])O[Si]2([O-])O3.O1[Si](O2)([O-])O[Si]3([O-])O[Si]1([O-])O[Si]2([O-])O3 XCOBTUNSZUJCDH-UHFFFAOYSA-B 0.000 description 2
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 235000019818 tetrasodium diphosphate Nutrition 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 208000004350 Strabismus Diseases 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 229940048086 sodium pyrophosphate Drugs 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Abstract
本实用新型公开了一种水化速度测试装置，包括设有开口的反应器、设有进样盖板和样品槽的分光光度计、置于所述分光光度计样品槽的流通池、用于垫高所述分光光度计的底座、用于连通所述流通池与所述反应器的进样管与出样管，所述进样管通过蠕动泵将反应液由反应器输出至流通池，所述出样管通过虹吸作用将反应液由流通池输回至反应器，当测试水化速度时，反应器中的液体不断输入至流通池进行实时检测，流通池中的液体液回流至反应器中继续水化，直到分散液透过率降低到规定值，实现在线测试水化速率，准确度高、占用仪器少。
The utility model discloses a hydration speed testing device, which comprises a reactor provided with an opening, a spectrophotometer provided with a sample injection cover plate and a sample groove, a flow cell placed in the sample groove of the spectrophotometer, and used for Pad the base of the spectrophotometer, the sampling tube and the sampling tube for connecting the flow cell and the reactor, and the sampling tube outputs the reaction solution from the reactor to the flow cell through a peristaltic pump, The sample outlet pipe returns the reaction liquid from the flow cell to the reactor by siphoning. When testing the hydration rate, the liquid in the reactor is continuously input into the flow cell for real-time detection, and the liquid in the flow cell is returned to the reaction cell. Continue hydration in the device until the permeability of the dispersion drops to the specified value, and realize the online test of the hydration rate with high accuracy and less equipment occupation.
Description
Technical Field
The utility model relates to an analytical chemistry technical field especially relates to a hydration speed testing arrangement.
Background
In tetrasodium pyrophosphate solution, the rate of dispersion of laponite was directly related to the rate of hydration of laponite, which was assessed by measuring the time it took for the dispersion to decrease in transmittance (at 550 nm) to a specified value.
In the prior art, the method for determining the hydration speed is that a certain amount of reaction liquid after reaction is taken for spectrophotometry after the reaction liquid reacts for a period of time, the sample must be changed manually during sample change, the real-time state of the hydration reaction cannot be represented, an operator needs to frequently contact biochemical reagents, the health of the operator is harmed, and the sample cup needs to be cleaned manually after the sample is determined and then changed, so that the method is inconvenient to use and low in efficiency.
In order to solve the problems, the Chinese patent with the publication number of CN207181276U discloses an online sample cup device and an online detection spectrophotometer, the device is characterized in that a quartz cup is reformed, pipe holes are respectively arranged in a sealing upper cover and a sealing lower cover, two shading sampling pipes are respectively arranged in the pipe holes of the sealing upper cover and the sealing lower cover, the two shading sampling pipes are communicated with the quartz cup body, a sample injection peristaltic pump is connected into the shading sampling pipes connected with the sealing lower cover, a sample outlet peristaltic pump is connected into the shading sampling pipes connected with the sealing upper cover, the online detection of a sample is realized by arranging pipe channels for the shading sampling pipes on the side edge of the spectrophotometer, but the device not only needs 2 peristaltic pumps to occupy more resources and greatly changes the spectrophotometer instrument, but also the sampling pipes communicated with the sealing lower cover can prevent the quartz cup from directly contacting the bottom of a sample pool, the phenomenon of unstable placement or inaccurate test result is easy to occur.
Disclosure of Invention
In order to solve the problem, the utility model provides a hydration speed testing arrangement realizes online test hydration rate, and the degree of accuracy is high, the instrument that occupies is few.
The utility model provides a technical scheme of problem be, provide a hydration speed testing arrangement, including being equipped with the open-ended reactor, be equipped with the spectrophotometer that advances kind apron and sample holder, arrange in the flow cell of spectrophotometer sample holder, be used for the bed hedgehopping spectrophotometer's base, be used for the intercommunication the flow cell with the advance kind pipe and the play appearance pipe of reactor, advance the appearance pipe and export the reaction liquid to the flow cell by the reactor through the peristaltic pump, it exports the reaction liquid back to the reactor by the flow cell through siphon effect, and when the test hydration speed, liquid in the reactor constantly inputs to the flow cell and carries out real-time detection, and liquid in the flow cell flows back to and continues the hydration in the reactor, reduces the specified value until the dispersion transmissivity.
Preferably, the bottom of flow-through cell is higher than the top of reactor, and when testing hydration speed, the level liquid level height of flow-through cell is higher than the level liquid level height of reactor all the time, makes the going on smoothly of siphon effect, through adjusting peristaltic pump speed or pipe diameter, in the same unit interval, the volume of advance appearance pipe output reaction liquid with the volume of going out appearance pipe and returning the reaction liquid is the same, avoids liquid in the flow-through cell to overflow.
Preferably, advance kind of apron and locate spectrophotometer sample cell top, it is equipped with the through-hole to advance kind of apron, advance kind of pipe and go out kind of pipe and run through the through-hole avoids because add into kind of pipe and go out kind of pipe, light leak and influence test result during the spectrophotometer test.
Preferably, the base is a liftable base, so that the testing device can be applied in different places and is matched with the siphon speed regulation.
Preferably, the one end mouth of pipe of going out the appearance pipe is located reactor liquid level top, the other end mouth of pipe with the bottom contact of flow-through cell, the one end mouth of pipe of advancing the appearance pipe immerses under the reactor liquid level, the other end mouth of pipe with the bottom contact of flow-through cell for the liquid misce bene of entering and output, the test result is more accurate.
Preferably, the reactor is provided with scales for monitoring whether the output and input of the liquid are equal in real time and observing whether the liquid in the flow-through cell overflows or not from the side.
Preferably, the flow-through cell is equipped with the upper cover, the upper cover is equipped with the first through-hole that advances appearance pipe and run through, goes out the second through-hole that appearance pipe runs through, the third through-hole that communicates with the cushion flask, and the setting of 3 through-holes is in order to make appearance pipe, play appearance pipe more stable, can not squint everywhere.
Preferably, the buffer bottle is arranged outside the spectrophotometer, and the buffer bottle is used for monitoring whether liquid overflows in the flow cell and collecting the overflowing liquid, so that a sample tank of the spectrophotometer is prevented from being polluted.
The utility model has the advantages as follows:
1. the sample inlet pipe outputs reaction liquid from the reactor to the flow cell through the peristaltic pump, and the sample outlet pipe outputs the reaction liquid from the flow cell back to the reactor through siphoning, so that the real-time online detection of the hydration rate is realized, and the occupied instrument resources are less;
2. the device has little change to the spectrophotometer instrument, only the through hole is arranged on the upper cover, the flow cell is consistent with the quartz cup of the original device in use environment and mode, and the test accuracy is ensured;
3. the base that sets up is liftable base, makes testing arrangement can use in different places to the cooperation is adjusted siphon speed.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a hydration speed testing device;
FIG. 2 is a top view of a spectrophotometer;
FIG. 3 is a side view of the flow cell;
in the figure: 11. an opening; 1. a reactor; 21. a sample feeding cover plate; 22. a sample tank; 2. a spectrophotometer; 3. a flow-through cell; 4. a base; 5. a sample inlet pipe; 6. a sample outlet pipe; 7. a peristaltic pump; 211. a through hole; 12. calibration; 31. an upper cover; 311. a first through hole; 312. a second through hole; 313. a third through hole; 8. and (7) a buffer bottle.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
In the description of the present embodiment, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "horizontal", "vertical", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.
As shown in figure 1, a hydration speed testing arrangement, including being equipped with the reactor 1 of opening 11, the reactor 1 can be the beaker, is equipped with the spectrophotometer 2 of advancing kind apron 21 and sample cell 22, advance kind apron 21 and locate spectrophotometer 2 top, be equipped with and arrange in the flow cell 3 of spectrophotometer 2 sample cell 22, the light path between light emission unit and the light receiving unit is promptly to the position of sample cell 22, is equipped with and is used for stepping up the base 4 of spectrophotometer 2, be equipped with and be used for the intercommunication flow cell 3 with the entering pipe 5 and the play appearance pipe 6 of reactor 1, the luminousness of entering pipe 5 and play appearance pipe 6 material is greater than 80% percent, such as glass pipe, quartz capsule, entering pipe 5 exports the reaction solution to flow cell 3 by reactor 1 through peristaltic pump 7, play appearance pipe 6 exports the reaction solution by flow cell 3 back to reactor 1 through the siphon effect, when the hydration speed is tested, the liquid in the reactor 1 is continuously input into the flow cell 3 for real-time detection, and the liquid in the flow cell 3 flows back into the reactor 1 for continuous hydration until the transmittance of the dispersion liquid is reduced to a specified value.
The bottom of the flow cell 3 is higher than the top of the reactor 1, when the hydration speed is tested, the height of the horizontal liquid level of the flow cell 3 is always higher than that of the reactor 1, so that the siphon effect is smoothly performed, and the air in the sample outlet pipe 6 is sucked out by an injector before the test.
In the same unit time, the volume of the reaction liquid output by the sample inlet pipe 5 is the same as the volume of the reaction liquid output by the sample outlet pipe 6, so that the liquid in the flow cell 3 is prevented from overflowing, and the flow rate of the siphon of the sample outlet pipe 6 and the flow rate of the sample inlet of the peristaltic pump 7 are adjusted, for example, the liquid in the flow cell 3 is stably prevented from overflowing by adjusting the pipe diameter of the sample outlet pipe 6 or the sample inlet pipe 5, the liquid level of the flow cell 3 relative to the reactor 1, the pump speed of the peristaltic pump 7 and other means.
As shown in fig. 2, advance kind of apron 21 and locate 2 spectrophotometer sample cell 22 tops, it is equipped with through-hole 211 to advance kind of apron 21, advance kind of pipe 5 and play appearance pipe 6 and run through-hole 211, through-hole 211 still are equipped with the viscose strip that is used for the shading all around, avoid owing to add into kind of pipe 5 and play appearance pipe 6, light leak and influence the test result during the test of spectrophotometer 2.
In order to realize the siphon effect, the base 4 is a lifting base, the specific type can be 8MVT70-13, also can realize through raising with the billet bed of different quantity, make testing arrangement can use in different places, because common general knowledge, the difference in height of the exit position of siphon and the surface of water position of water source corresponds to the size of siphon pressure, the flow rate of siphon rivers and the cooperation regulation siphon speed can be influenced to the height of adjusting the flow-through tank 3 through base 4.
Go out the one end mouth of pipe of appearance pipe 6 and locate 1 liquid level top of reactor, the other end mouth of pipe with the bottom contact of flow-through cell 3, the one end mouth of pipe of advance appearance pipe 5 immerses under 1 liquid level of reactor, the other end mouth of pipe with the bottom contact of flow-through cell 3, concrete mode of setting can be realized through adjusting the pipeline length and the locating position of advancing appearance pipe 5 or going out appearance pipe 6 for the liquid misce bene that gets into and export, the test result is more accurate.
The reactor 1 is provided with a scale 12 for monitoring in real time whether the output and input of the liquid are equal, and observing laterally whether the liquid in the flow cell 3 overflows.
As shown in fig. 3, the flow cell 3 is provided with an upper cover 31, the upper cover 31 is provided with a first through hole 311 through which the sample inlet tube 5 penetrates, a second through hole 312 through which the sample outlet tube 6 penetrates, and a third through hole 313 communicating with the buffer bottle 8, the number of the through holes of the upper cover 31 is consistent with that of the through holes of the sample inlet cover plate 21, the 3 through holes of the upper cover 31 are arranged so that the sample inlet tube 5 and the sample outlet tube 6 are more stable and cannot shift everywhere, and the buffer bottle 8 is also ensured to be arranged outside the spectrophotometer 2.
The normal use process of the scheme in actual operation is as follows: weighing 196.00g +/-0.10 g 1.20g/L sodium pyrophosphate solution in a clean and dry 500 ml beaker, placing the beaker in a water bath kettle at the temperature of 30 +/-2 ℃, immediately clamping the beaker, arranging a pipe orifice at one end of a sample outlet pipe 6 at a position 2-5m above the liquid level of a reactor 1, enabling a pipe orifice at the other end to be in contact with the bottom of a flow cell 3, immersing a pipe orifice at one end of a sample inlet pipe 5 below the liquid level of the reactor 1, enabling a pipe orifice at the other end to be in contact with the bottom of the flow cell 3, opening a stirring reactor 1 and a peristaltic pump 7, enabling a test solution to enter the flow cell 3 at the flow rate of 100ml/min, adjusting the height of a base 4 to enable the horizontal liquid level of the flow cell 3 to be always higher than the horizontal liquid level of the reactor 1, simultaneously pumping out liquid in the sample outlet pipe 6 by using a syringe to facilitate the siphon effect, and calibrating the transmittance of a spectrophotometer 2 to, under these conditions, a weighed 4.00 g. + -. 0.01g dry base sample was slowly added, no caking was observed during the addition, the timing was started, when the transmittance reading was higher than 80% and always higher than 80%, the stirring and timing were stopped, the beaker was removed and the time was recorded as the dispersion time.
The above mentioned matters are not related, and all the matters are applicable to the prior art.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (8)
1. The utility model provides a hydration speed testing arrangement, its characterized in that, including reactor (1) that is equipped with opening (11), spectrophotometer (2) that are equipped with and advance kind apron (21) and sample holder (22), arrange in flow cell (3) of spectrophotometer (2) sample holder (22), be used for the bed hedgehopping base (4) of spectrophotometer (2), be used for the intercommunication flow cell (3) with advance kind pipe (5) and play appearance pipe (6) of reactor (1), advance kind pipe (5) through peristaltic pump (7) with the reaction liquid by reactor (1) output to flow cell (3), it exports back to reactor (1) through siphoning with the reaction liquid by flow cell (3) to go out appearance pipe (6).
2. Hydration rate testing device according to claim 1, characterized in that the bottom of the flow cell (3) is higher than the top of the reactor (1).
3. The hydration speed testing device according to claim 1, wherein the sample feeding cover plate (21) is arranged above the sample groove (22) of the spectrophotometer (2), the sample feeding cover plate (21) is provided with a through hole (211), and the sample feeding pipe (5) and the sample discharging pipe (6) penetrate through the through hole (211).
4. Hydration speed testing device according to claim 1, characterized in that the base (4) is a liftable base.
5. The hydration speed testing device according to claim 2, wherein one end of the sample outlet pipe (6) is arranged above the liquid level of the reactor (1), the other end of the sample outlet pipe is in contact with the bottom of the flow cell (3), one end of the sample inlet pipe (5) is immersed under the liquid level of the reactor (1), and the other end of the sample inlet pipe is in contact with the bottom of the flow cell (3).
6. Hydration rate testing device according to claim 1, characterised in that the reactor (1) is provided with a scale (12).
7. The hydration speed testing device according to claim 1, wherein the flow cell (3) is provided with an upper cover (31), and the upper cover (31) is provided with a first through hole (311) through which the sample inlet pipe (5) penetrates, a second through hole (312) through which the sample outlet pipe (6) penetrates, and a third through hole (313) communicated with the buffer bottle (8).
8. Hydration rate testing device according to claim 7, characterised in that said buffer bottle (8) is arranged outside the spectrophotometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020884627.9U CN212540111U (en) | 2020-05-25 | 2020-05-25 | A hydration speed test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020884627.9U CN212540111U (en) | 2020-05-25 | 2020-05-25 | A hydration speed test device |
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| Publication Number | Publication Date |
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| CN212540111U true CN212540111U (en) | 2021-02-12 |
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| CN202020884627.9U Expired - Fee Related CN212540111U (en) | 2020-05-25 | 2020-05-25 | A hydration speed test device |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114624458A (en) * | 2022-05-13 | 2022-06-14 | 深圳市帝迈生物技术有限公司 | Sample analyzer, sample analyzing method, sample analyzing apparatus, and storage medium |
-
2020
- 2020-05-25 CN CN202020884627.9U patent/CN212540111U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114624458A (en) * | 2022-05-13 | 2022-06-14 | 深圳市帝迈生物技术有限公司 | Sample analyzer, sample analyzing method, sample analyzing apparatus, and storage medium |
| CN114624458B (en) * | 2022-05-13 | 2022-10-28 | 深圳市帝迈生物技术有限公司 | Sample analyzer, sample analyzing method, sample analyzing apparatus, and storage medium |
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Granted publication date: 20210212 |