CN205103680U - Permanent concentration liquid sample cell temperature regulating device of steam balanced type - Google Patents
Permanent concentration liquid sample cell temperature regulating device of steam balanced type Download PDFInfo
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- CN205103680U CN205103680U CN201520867751.3U CN201520867751U CN205103680U CN 205103680 U CN205103680 U CN 205103680U CN 201520867751 U CN201520867751 U CN 201520867751U CN 205103680 U CN205103680 U CN 205103680U
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- liquid cup
- pipeline
- regulating device
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- sample cell
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Abstract
The utility model relates to a permanent concentration liquid sample cell temperature regulating device of steam balanced type, it includes and internally piloting temperature box is provided with the interior liquid cup that is used for holding need checking sample solution in the internally piloting temperature box, interior liquid cup top through first pipeline with set up the outer liquid cup top that is used for holding pure solvent feed through in outer accuse temperature box, internally piloting temperature box is gone back the electricity and is connected with interior liquid cup temperature controller, still is provided with logical unthreaded hole on one side of internally piloting temperature box, be provided with outer liquid cup temperature controller on the box of the accuse temperature outward lateral wall, outer liquid cup top communicates through second pipeline and the open glass container that is used for holding tail gas absorption liquid, second pipeline exit being close to open glass container department sets up buffer. The utility model discloses solvent evaporation loss in the ability suppression in the liquid cup, sample concentration is invariable in the interior liquid cup of assurance. The utility model discloses can be arranged in multiple physics chemistry experiment measurement process, especially need long -time work, in and the measurement that can not seal higher in near accuse temperature impact point solvent vapour pressure.
Description
Technical field
The utility model relates to a kind of physics and chemical experiment liquid sample pool temperature regulating device, particularly about a kind of balance of steam type permanent concentration liquids sample cell temperature regulating device.
Background technology
In physics and chemical experiment, temperature is an important factor in research.Various experiment often needs test sample being carried out to physicochemical property under different temperatures.This just needs to provide a kind of experimental provision to be in different state of temperatures to maintain laboratory sample.From the state of sample, solid, each own respective temperature controlling mode of liquids and gases.Wherein carrying out temperature control to the fluid sample being dissolved in solvent is a kind of mode the most common in scientific research.
At present, common on the market device that can be used for fluid sample temperature control mainly contains open and closed two kinds of implementations.Wherein, open attemperating unit uses as the accessory of various equipment (such as spectrometer, electrochemical meter etc.), and the lifting of temperature is realized by flow media or electrical heating/refrigeration.This kind of device temperature range of control by heat or refrigeration mode and medium character determine, generally between subzero 10 degree to 300 degree above freezing.This kind equipment is generally originally lower, is thus widely used.Closed constant temperature temperature regulating device with cryostat (cryostat) for main representative.This kind equipment is mainly used for carrying out temperature control to solid sample in fact.Cooling is realized by the liquid nitrogen/liquid helium of open cycle or the helium of closed loop; Heating is then undertaken by resistance wire.This kind equipment needs, to vacuumizing process between sample temperature controlling point and equipment outer wall with isolated heat interchange, therefore substantially can only lower the temperature can not heat for fluid sample usually.
Due to the solution vapor pressure phenomenon certainly existed in fluid sample, if sample cell bearing capacity deficiency (being common phenomenon in Experiments of Optics), intensification may cause airtight sample cell to be risen brokenly, thus uses open temperature regulating device just to become a kind of inevitable choice at the temperature control of intensification section.But the problem that common open attemperating unit existence is volatilized by solvent and caused, namely along with the carrying out of experiment, the concentration of sample can be more and more higher.This phenomenon in temperature set points close to particularly evident during solvent boiling point.
Summary of the invention
For the problems referred to above, the purpose of this utility model is to provide a kind of balance of steam type permanent concentration liquids sample cell temperature regulating device, to overcome the danger of the blast of breaking that existing open cell temperature regulating device cannot exist under constant sample concentration problems and closed temperature regulating device high temperature, this device compatible electrical heating/cooling directly perceived or media flow can not only realize to solution temperature in sample cell control, solution concentration in sample cell can also be maintained for a long time substantially constant, and handling safety, simple, require lower to experimental implementation space size.
For achieving the above object, the utility model takes following technical scheme: a kind of balance of steam type permanent concentration liquids sample cell temperature regulating device, is characterized in that: described device comprises temp box, interior liquid cup, the first pipeline, outer temperature control box, outer liquid cup, interior liquid cup temperature controller, light hole, outer liquid cup temperature controller, the second pipeline, open glass container and snubber assembly; Be provided with the described interior liquid cup for holding testing sample solution in described temp box, described interior liquid cup top is communicated with for the described outer liquid cup top holding neat solvent with being arranged in described outer temperature control box by described first pipeline; Described temp box is also electrically connected with described interior liquid cup temperature controller, is also provided with described light hole in described temp box side; Described outer temperature control box sidewall is provided with described outer liquid cup temperature controller, described outer liquid cup top is by described second pipeline and for holding the described open glass reservoir of tail gas absorption liquid; At the described second tube outlet place near described open glass container place, described snubber assembly is set.
Further, described interior liquid cup adopts the quartz colorimetric utensil with quartz plug; Described outer liquid cup adopts the glass container with bottle stopper.
Further, the diameter of described interior liquid cup and volume are much smaller than the diameter of described outer liquid cup and volume.
Further, described first pipeline and the second pipeline all adopt polyfluortetraethylene pipe.
Further, the two ends of described first pipeline lay respectively at the ullage of described interior liquid cup and the ullage of described outer liquid cup; The liquid level of the described outer liquid cup of described second pipeline one end next-door neighbour, the other end is positioned at the tail gas absorption liquid of described open glass container.
Further, in described outer liquid cup, described second pipeline than described first pipeline closer to the liquid level in described outer liquid cup.
The utility model is owing to taking above technical scheme, it has the following advantages: 1, the utility model is due in temperature control process, air pressure between interior liquid cup and outer liquid cup is identical, and therefore, in liquid cup, the volatilization of solvent can only lead to the saturated vapour above the outside liquid cup of the first tubes rows; And low unlike interior liquid cup of the saturated vapour pressure in outer liquid cup, thus the volatilization process of solvent in interior liquid cup being suppressed in nonocclusive situation be in the state of nearly balance, solution concentration can remain unchanged for a long time.2, the utility model is greater than diameter and the volume of interior liquid cup due to the outer liquid cup diameter that adopts and volume, because the solvent evaporation of liquid cup in addition can cause amount of liquid to reduce, but its volume is larger, before liquid cup evaporates and loses completely outside, interior liquid cup can keep quantity of solvent substantially constant, and then ensure that the testing sample solution concentration long-time (more than a few hours) in interior liquid cup is constant, ensure the reliability that various physicochemical property detect.3, the utility model is that the solvent preventing from volatilizing in outer liquid cup pollutes environment or other equipment, outer liquid cup is connected with open glass container by the second pipeline, be contained with tail gas absorption liquid in this container, and then absorb the solvent that outer liquid cup volatilizes.4, the utility model is not realized by the sealing of internal liquid cup and sample cell, therefore can not cause sample solution change under pressure when change temperature control interval.5, the utility model is provided with snubber assembly at the second tube outlet place, can prevent in tail gas absorption liquid suck-back in open glass container to outer liquid cup through snubber assembly, keep the concentration of solution not change, and avoid the pollution to environment, operating personnel and other equipment.The utility model can extensively be applied in physics and chemical experiment fields of measurement.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present utility model;
Fig. 2 is temp box vertical section structure schematic diagram of the present utility model;
Fig. 3 is outer temperature control box vertical section structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in FIG. 1 to 3, the utility model provides a kind of balance of steam type permanent concentration liquids sample cell temperature regulating device, and it comprises temp box 1, interior liquid cup 2, first pipeline 3, outer temperature control box 4, outer liquid cup 5, interior liquid cup temperature controller 6, light hole 7, outer liquid cup temperature controller 8, second pipeline 9, open glass container 10 and snubber assembly 11.
Be provided with for holding liquid cup 2 in testing sample solution in temp box 1, interior liquid cup 2 top is communicated with for outer liquid cup 5 top holding neat solvent with being arranged in outer temperature control box 4 by the first pipeline 3.Temp box 1 is also electrically connected with interior liquid cup temperature controller 6, controls temp box 1 and carries out temperature control to interior liquid cup 2, and then change its temperature by interior liquid cup temperature controller 6; Also be provided with light hole 7 in temp box 1 side, import or derive detection light, flashlight through light hole 7.Outer temperature control box 4 sidewall is provided with outer liquid cup temperature controller 8, controls the external liquid cup 5 of outer temperature control box 4 by outer liquid cup temperature controller 8 and carry out temperature control, and then control and change the temperature of outer liquid cup 5.The top of outer liquid cup 5 is communicated with the open glass container 10 for tail gas absorption liquid such as contain fluid paraffin or silicone oil by the second pipeline 9; Snubber assembly 11 is being set near second pipeline 9 exit at open glass container 10 place, can preventing tail gas absorption liquid suck-back in open glass container 10 to outer liquid cup 5 through snubber assembly 11.
In above-described embodiment, interior liquid cup 2 adopts with the leakproofness better quartzy quartz colorimetric utensil filled in.
In the various embodiments described above, outer liquid cup 5 adopts the glass container with the better bottle stopper of leakproofness.
In the various embodiments described above, the diameter of interior liquid cup 2 and volume are much smaller than the diameter of outer liquid cup 5 and volume, and the neat solvent held in outer liquid cup 5 is the blank solvent identical with testing sample solution composition in interior liquid cup 2.
In the various embodiments described above, the first pipeline 3 and the second pipeline 9 all adopt polyfluortetraethylene pipe.
In the various embodiments described above, the two ends of the first pipeline 3 lay respectively at the ullage of interior liquid cup 2 and the ullage of outer liquid cup 5, interior liquid cup 2 makes the steam of both ullage circulate with outer liquid cup 5 by the first pipeline 3, and then the pressure differential in balance between liquid cup 2 and outer liquid cup 5, the solvent volatilization in suppressing in liquid cup 2; The liquid level of the outer liquid cup 5 of second pipeline 9 one end next-door neighbour, the other end is positioned at the tail gas absorption liquid of open glass container 10, balances interior liquid cup 2, pressure differential between outer liquid cup 5 and external environment condition by the second pipeline 9.
In the various embodiments described above, in liquid cup 5, the second pipeline 9 to the first pipeline 3 is closer to the liquid level in outer liquid cup 5 outside, and namely outside in liquid cup 5, the length of the second pipeline 9 is greater than the length of the first pipeline 3.
In sum, the utility model operationally, by interior liquid cup temperature controller 6, outer liquid cup temperature controller 8, interior liquid cup 2, outer liquid cup 5 are controlled to identical assigned temperature, in interior liquid cup 2, outer liquid cup 5, vapor pressure is communicated with by the first pipeline 3, because in two liquid cups, fluid temperature is identical, vapour pressure deficit heteropole is small, therefore the solvent volatilization in interior liquid cup 2, outer liquid cup 5 will be suppressed.Interior liquid cup 2, pressure between outer liquid cup 5 and external environment condition are balanced by the second pipeline 9, and the length of the second pipeline 9 outside in liquid cup 5 than the length of the first pipeline 3 closer to liquid level, and in outer liquid cup 5 liquid level area much larger than the liquid level area in interior liquid cup 2, therefore by the solvent vapo(u)r of the second pipeline 9 externally dissipation by the evaporation of the overwhelming majority from solvent in outer liquid cup 5, thus achieve the long-time constant maintenance of solution concentration in internal liquid cup 2.
The various embodiments described above are only for illustration of the utility model; the structure of each parts, size, setting position and shape all can change to some extent; on the basis of technical solutions of the utility model; all improvement of carrying out individual part according to the utility model principle and equivalents, all should not get rid of outside protection domain of the present utility model.
Claims (10)
1. a balance of steam type permanent concentration liquids sample cell temperature regulating device, is characterized in that: described device comprises temp box, interior liquid cup, the first pipeline, outer temperature control box, outer liquid cup, interior liquid cup temperature controller, light hole, outer liquid cup temperature controller, the second pipeline, open glass container and snubber assembly; Be provided with the described interior liquid cup for holding testing sample solution in described temp box, described interior liquid cup top is communicated with for the described outer liquid cup top holding neat solvent with being arranged in described outer temperature control box by described first pipeline; Described temp box is also electrically connected with described interior liquid cup temperature controller, is also provided with described light hole in described temp box side; Described outer temperature control box sidewall is provided with described outer liquid cup temperature controller, described outer liquid cup top is by described second pipeline and for holding the described open glass reservoir of tail gas absorption liquid; At the described second tube outlet place near described open glass container place, described snubber assembly is set.
2. a kind of balance of steam type as claimed in claim 1 permanent concentration liquids sample cell temperature regulating device, is characterized in that: described interior liquid cup adopts the quartz colorimetric utensil with quartz plug; Described outer liquid cup adopts the glass container with bottle stopper.
3. a kind of balance of steam type as claimed in claim 1 permanent concentration liquids sample cell temperature regulating device, is characterized in that: the diameter of described interior liquid cup and volume are much smaller than the diameter of described outer liquid cup and volume.
4. a kind of balance of steam type as claimed in claim 2 permanent concentration liquids sample cell temperature regulating device, is characterized in that: the diameter of described interior liquid cup and volume are much smaller than the diameter of described outer liquid cup and volume.
5. a kind of balance of steam type permanent concentration liquids sample cell temperature regulating device as described in any one of Claims 1-4, is characterized in that: described first pipeline and the second pipeline all adopt polyfluortetraethylene pipe.
6. a kind of balance of steam type permanent concentration liquids sample cell temperature regulating device as described in any one of Claims 1-4, is characterized in that: the two ends of described first pipeline lay respectively at the ullage of described interior liquid cup and the ullage of described outer liquid cup; The liquid level of the described outer liquid cup of described second pipeline one end next-door neighbour, the other end is positioned at the tail gas absorption liquid of described open glass container.
7. a kind of balance of steam type as claimed in claim 5 permanent concentration liquids sample cell temperature regulating device, is characterized in that: the two ends of described first pipeline lay respectively at the ullage of described interior liquid cup and the ullage of described outer liquid cup; The liquid level of the described outer liquid cup of described second pipeline one end next-door neighbour, the other end is positioned at the tail gas absorption liquid of described open glass container.
8. the permanent concentration liquids sample cell of a kind of balance of steam type as described in Claims 1-4,7 any one temperature regulating device, is characterized in that: in described outer liquid cup, described second pipeline than described first pipeline closer to the liquid level in described outer liquid cup.
9. a kind of balance of steam type as claimed in claim 5 permanent concentration liquids sample cell temperature regulating device, is characterized in that: in described outer liquid cup, described second pipeline than described first pipeline closer to the liquid level in described outer liquid cup.
10. a kind of balance of steam type as claimed in claim 6 permanent concentration liquids sample cell temperature regulating device, is characterized in that: in described outer liquid cup, described second pipeline than described first pipeline closer to the liquid level in described outer liquid cup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520867751.3U CN205103680U (en) | 2015-11-03 | 2015-11-03 | Permanent concentration liquid sample cell temperature regulating device of steam balanced type |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520867751.3U CN205103680U (en) | 2015-11-03 | 2015-11-03 | Permanent concentration liquid sample cell temperature regulating device of steam balanced type |
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| CN205103680U true CN205103680U (en) | 2016-03-23 |
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| CN201520867751.3U Active CN205103680U (en) | 2015-11-03 | 2015-11-03 | Permanent concentration liquid sample cell temperature regulating device of steam balanced type |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760674A (en) * | 2018-06-04 | 2018-11-06 | 大连理工大学 | A kind of terahertz time-domain spectroscopy detection device for detecting biological neural sample |
| CN110158057A (en) * | 2019-06-05 | 2019-08-23 | 承德石油高等专科学校 | A kind of pecvd process chamber bye-pass device and its air-channel system at place |
-
2015
- 2015-11-03 CN CN201520867751.3U patent/CN205103680U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760674A (en) * | 2018-06-04 | 2018-11-06 | 大连理工大学 | A kind of terahertz time-domain spectroscopy detection device for detecting biological neural sample |
| CN108760674B (en) * | 2018-06-04 | 2020-10-13 | 大连理工大学 | Terahertz time-domain spectrum detection device for detecting biological nerve sample |
| CN110158057A (en) * | 2019-06-05 | 2019-08-23 | 承德石油高等专科学校 | A kind of pecvd process chamber bye-pass device and its air-channel system at place |
| CN110158057B (en) * | 2019-06-05 | 2024-05-03 | 承德石油高等专科学校 | PECVD process chamber branch pipeline device and gas circuit system thereof |
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