CN208187594U - Calorimetric reaction vessel for high-precision calorimeter - Google Patents
Calorimetric reaction vessel for high-precision calorimeter Download PDFInfo
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- CN208187594U CN208187594U CN201820746719.3U CN201820746719U CN208187594U CN 208187594 U CN208187594 U CN 208187594U CN 201820746719 U CN201820746719 U CN 201820746719U CN 208187594 U CN208187594 U CN 208187594U
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- housing
- thermally insulating
- calorimeter
- reaction vessel
- insulating housing
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Abstract
The utility model discloses a kind of calorimetric reaction vessels for high-precision calorimeter, including thermally insulating housing, the double-deck silver-plated vacuum Dewar bottle, I-shaped container cover；The thermally insulating housing upper opening, lower seal；The silver-plated vacuum Dewar bottle of bilayer is placed in thermally insulating housing, air heat insulation between the two；Bottom is equipped with stirrer in the double-deck silver-plated vacuum Dewar bottle；The I-shaped container cover includes bracket and housing, and bracket is located above housing, is fixedly connected between bracket and housing with hollow connection tube；The bracket is for putting above calorimeter thermostatted water notch to seal calorimeter thermostatic water bath and thermally insulating housing is fixed in calorimeter thermostatic water bath；The housing is sealedly and fixedly connected with thermally insulating housing mouth outer.Using the calorimetric reaction vessel, the high-precision calorimeter that measurement accuracy is high, can guarantee measurement accuracy can be prepared.
Description
Technical field
The utility model relates to a kind of calorimetry experiment device more particularly to a kind of amounts for high-precision calorimeter
Thermal response container.
Background technique
In physicochemical teaching and scientific experiment, often need to be measured different elements or object burning or molten with calorimeter
The heat issued when solution.And it requires calorimetric precision the higher the better.
In order to improve calorimetric precision, existing calorimeter mostly uses Dewar bottle as calorimetric reaction vessel, Dewar bottle
It is placed in thermostatic water bath to guarantee that environment temperature is constant temperature as far as possible.
But there are still shortcomings for the calorimetric reaction vessel of the calorimeter of the prior art, are mainly shown as: first is that being adopted
Some is single layer to Dewar bottle, and bottle sealing is not tight, heat-insulated, heat insulation effect is bad；Second is that since structure limits
System, some is exposed to outside thermostatic water bath calorimetric container, very big by environment (air) influence, it cannot be guaranteed that constant temperature ring completely
Border.It therefore, is only the calorimeter assembly of half insulation of one kind, half isoperibol using the calorimeter of prior art calorimetric reaction vessel,
High-precision calorimeter cannot be prepared, measurement accuracy is not high, it cannot be guaranteed that measurement accuracy, and scientific research requirements deviation are larger, is unfavorable for
The preciseness of the scientific research of training student.
How a kind of calorimetric reaction vessel that can be used for high-precision calorimeter can just be prepared, to guarantee calorimeter measurement essence
Degree is high, can guarantee measurement accuracy, is the technical problem of long-standing problem those skilled in the art.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of calorimetric reaction vessels for high-precision calorimeter.It adopts
With the calorimetric reaction vessel, the high-precision calorimeter that measurement accuracy is high, can guarantee measurement accuracy can be prepared.
In order to solve the above-mentioned technical problem, the calorimetric reaction vessel for high-precision calorimeter of the utility model include every
Hot shell, the double-deck silver-plated vacuum Dewar bottle, I-shaped container cover；
The thermally insulating housing upper opening, lower seal；
The silver-plated vacuum Dewar bottle of bilayer is placed in thermally insulating housing, air heat insulation between the two；Double-deck silver-plated vacuum Du
Bottom is equipped with stirrer in watt bottle；
The I-shaped container cover includes bracket and housing, bracket is located above housing, is used between bracket and housing
Empty connecting tube is fixedly connected；The bracket seals calorimeter thermostatic water bath for putting calorimeter thermostatted water notch top and will
Thermally insulating housing is fixed in calorimeter thermostatic water bath；The housing is sealedly and fixedly connected with thermally insulating housing mouth outer；It is described hollow
Connecting tube is vertically connected between bracket and housing, and bracket is correspondingly provided with circular hole with housing to be connected to the inner hole of hollow connection tube
For being secured across the tested heat power supply device of calorimeter；The bracket is also correspondingly provided with two fixation holes with housing for fixing respectively
Across temperature sensor and electricity mark.
The thermally insulating housing bottom is equipped with diving magnetic stirring apparatus lock chamber for fixed diving magnetic stirring apparatus.
Sponge thermal insulation layer is equipped between the silver-plated vacuum Dewar bottle opening's edge of the bilayer and housing inner wall.
The aluminium foil layer of thermal radiation resistant is additionally provided between the sponge thermal insulation layer and the double-deck silver-plated vacuum Dewar bottle opening's edge.
The Dewar bottle of the silver-plated vacuum Dewar bottle of bilayer generally double glazing, and double glazing is all silver-plated, it is double-deck
Between vacuum degree up to 0.001 Pa.
The tested heat power supply device of calorimeter is titration calorimeter sample injector or combustion heat meter rotates bullet or dissolution heat
Count sample injector.
The thermally insulating housing is made of metal material or plastics；The housing of the I-shaped container cover be metal material or
Plastics are made.
The housing inner wall of the I-shaped container cover is equipped with screw thread, and the silver-plated vacuum Dewar bottle bottleneck outer wall of bilayer is set
There is screw thread, the double-deck silver-plated vacuum Dewar bottle, which is connected through a screw thread, to be sealingly fastened in housing.
The housing outer wall of the I-shaped container cover is equipped with screw thread, and the thermally insulating housing upper opening inner wall is equipped with spiral shell
Line, thermally insulating housing, which is connected through a screw thread, is sealingly fastened in housing.
The thermally insulating housing upper opening along be additionally provided with O-ring seals between housing.
Using the structure of the utility model, due to being provided with thermally insulating housing, the heat-insulated calorimetric reaction vessel of original single layer
It has been changed to whole double thermal insulation, has been air heat insulation, such good heat-insulation effect between thermally insulating housing and Dewar bottle；In order to ensure calorimetric
Reaction vessel (i.e. Calorimetry system) in constant temperature water bath environment, is provided with I-shaped calorimetric reaction vessel lid always, when
When calorimetric reaction vessel is mounted in thermostatic water bath, part below " work " word top, that is, calorimetric reaction vessel bracket can be complete
Portion is immersed in water bath with thermostatic control, and avoid prior art part dew causes easy change of environment temperature to cause to influence in air
The defect of measurement accuracy；In addition, the design of this I-shaped bottle cap, also efficiently solves replaceable in calorimetric reaction vessel
The seepage problem of the connecting portion of the tested heat power supply device of component, that is, calorimeter；Dewar bottle provided with generally double glazing, and
Double glazing is all silver-plated, and vacuum degree reaches 0.001Pa in interlayer, in this way, reducing heat leak, heat radiation and convective heat transfer loss.
Especially I-shaped container cover cooperation corresponding to thermally insulating housing is fixedly connected, is integrally placed in constant temperature water tank, from
And calorimetric reaction vessel and calorimeter is made to become a tight entirety, prior art loose structure bring defect is overcome, is subtracted
Heat leak, heat radiation and convective heat transfer loss are lacked, have improved measurement accuracy, realize purpose of utility model.And replacement uses
Also facilitate.
The heat leak of Dewar bottle bottleneck in order to prevent increases a lid that is threaded and can tightening, and closure inside
Provided with one layer of sponge thermal insulation layer, and one layer of aluminum foil for preventing heat radiation is pasted, can guarantee there is no convective heat transfer substantially in this way
Loss, to ensure that measurement accuracy.
Direct drive bar type is stirred the magnetic force that is changed to indirectly dive under water and stirred by heat leak caused by prevent bar type from stirring
It mixes, and designs and diving magnetic stirring apparatus is fixedly mounted on calorimetric reaction container bottom, can be stirred in this way to avoid diving magnetic force
It mixes when device is discretely located often due to placement location is uncomfortable and influences rotates effe.
The calorimetric reaction vessel applicability of the utility model is wider, can be used not only in being also applied in dissolution calorimeter
Combustion heat meter and titration calorimeter.
Through repetition test, the calorimetric reaction vessel insulation effect of the utility model is good, almost without heat leak, heat radiation, base
This is not affected by environment, and measurement accuracy is high, can be used to prepare high-precision calorimeter.
Detailed description of the invention
Fig. 1 is the calorimetric reaction vessel structural schematic diagram of the utility model.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description:
As shown in Figure 1, the calorimetric reaction vessel for high-precision calorimeter of the utility model include thermally insulating housing 7, it is double
The silver-plated vacuum Dewar bottle 6 of layer, I-shaped container cover.
Thermally insulating housing upper opening, lower seal.
The double-deck silver-plated vacuum Dewar bottle is placed in thermally insulating housing, air heat insulation between the two.The double-deck silver-plated vacuum Dewar bottle
Interior bottom is equipped with stirrer 8.
I-shaped container cover includes bracket 1 and housing 3.Bracket is located above housing.With hollow between bracket and housing
Connecting tube 2 is fixedly connected.Bracket seals calorimeter thermostatic water bath for putting calorimeter thermostatted water notch top and will be heat-insulated
Shell is fixed in calorimeter thermostatic water bath.Housing is sealedly and fixedly connected with thermally insulating housing mouth outer.Hollow connection tube vertically connects
It is connected between bracket and housing.Hollow connection tube can be one with housing with bracket and be integrally manufactured.Bracket and housing phase
Circular hole should be equipped with to be connected to the inner hole of hollow connection tube for being secured across the tested heat power supply device of calorimeter.Bracket and housing are also
Two fixation holes are correspondingly provided with for being secured across temperature sensor and electricity mark respectively.
Housing is also provided with sealing shroud for being secured across temperature sensor and electricity two fixation hole inner walls of mark respectively.This
Sample can more preferably ensure to seal heat insulation.
Thermally insulating housing bottom is equipped with diving magnetic stirring apparatus lock chamber 9 for fixed diving magnetic stirring apparatus.Diving magnetic force
Diving magnetic stirring apparatus is fixed in blender lock chamber 9.Diving magnetic stirring apparatus with bottom stirrer 8 is corresponding in Dewar bottle sets
It sets.In this way, diving magnetic stirring apparatus can be fixed on the determining position in thermally insulating housing bottom one, can be stirred to avoid diving magnetic force
It mixes when device is discretely located often due to being easy movement causes placement location uncomfortable and influence rotates effe.
Sponge thermal insulation layer 4 is equipped between the double-deck silver-plated vacuum Dewar bottle opening's edge and housing inner wall.Sponge thermal insulation layer and duplex plating
The aluminium foil layer 5 of thermal radiation resistant is also provided between silver-colored vacuum Dewar bottle opening's edge.It can guarantee there is no convective heat transfer substantially in this way
Loss, to further increase measurement accuracy.
In order to improve measurement accuracy, purpose of utility model is realized, the utility model has carried out significant improvement to Dewar bottle, i.e.,
The double-deck silver-plated vacuum Dewar bottle is improved to the Dewar bottle of whole double glazing, and double glazing is all silver-plated, it is true between bilayer
Reciprocal of duty cycle reaches 0.001 Pa.In this way, avoiding the defect of single layer Dewar bottle and partial double vacuum Dewar bottle heat insulation difference, subtract
Heat leak, heat radiation and convective heat transfer loss are lacked.
The tested heat power supply device of calorimeter that the calorimetric reaction vessel of the utility model uses can be loaded for titration calorimeter
Device is also possible to combustion heat meter rotation bullet, can also use dissolution calorimeter sample injector.The tested heat power supply device of calorimeter passes through
The hollow connection tube of I-shaped container cover is stretched out from the double-deck silver-plated vacuum Dewar bottle.
Thermally insulating housing can be also possible to plastics by metal material and be made.Made of plastic, at low cost, the processing is simple.With
Metal material is made, and measurement effect can be more preferable.
The housing of I-shaped container cover can also be made of metal material with plastics.With plastics such as polytetrafluoroethylene (PTFE) system
At more preferable, at low cost, the processing is simple, and light, sealing effect is more preferable.
I-shaped container cover and the connection type of the double-deck silver-plated vacuum Dewar bottle can be a variety of.The utility model is special
There is provided a kind of connection type, that is, be threadedly coupled: the housing inner wall of I-shaped container cover is equipped with screw thread, the double-deck silver-plated vacuum dewar
Bottle bottleneck outer wall is equipped with screw thread, and the double-deck silver-plated vacuum Dewar bottle, which is connected through a screw thread, to be sealingly fastened in housing.In this way, sealing effect
Fruit is good, is connected firmly, and uses and replaces and is more convenient.
I-shaped container cover and the connection type of thermally insulating housing can also be a variety of.The utility model especially provides one
Kind connection type, that is, be threadedly coupled: the housing outer wall of I-shaped container cover is equipped with screw thread, and thermally insulating housing upper opening inner wall is set
There is screw thread, thermally insulating housing, which is connected through a screw thread, is sealingly fastened in housing.In this way, sealing effect is good, it is connected firmly, uses and replace
It is more convenient.Certainly, I-shaped container cover can also be permanently fixed and be connect using glue bond with thermally insulating housing.
In order to reinforce the safety of heat insulation and use process, thermally insulating housing upper opening edge can also be set between housing
There are O-ring seals 10.
It is tight in order to cooperate, reinforce sealing effect, thermally insulating housing upper opening can be with along the corresponding end surface of end face and housing
Setting cambered surface annular seal groove is for placing O-ring seals.In this way, installing and using convenient for O-ring seals, protects sealing ring,
And stronger stabilization is placed, to enhance sealing effect.
Claims (10)
1. a kind of calorimetric reaction vessel for high-precision calorimeter, it is characterised in that: silver-plated including thermally insulating housing (7), bilayer
Vacuum Dewar bottle (6), I-shaped container cover；
The thermally insulating housing upper opening, lower seal；
The silver-plated vacuum Dewar bottle of bilayer is placed in thermally insulating housing, air heat insulation between the two；The double-deck silver-plated vacuum Dewar bottle
Interior bottom is equipped with stirrer (8)；
The I-shaped container cover includes bracket (1) and housing (3), and bracket is located above housing, uses between bracket and housing
Hollow connection tube (2) is fixedly connected；The bracket is for putting above calorimeter thermostatted water notch to seal calorimeter thermostatted water
Slot and thermally insulating housing is fixed in calorimeter thermostatic water bath；The housing is sealedly and fixedly connected with thermally insulating housing mouth outer；Institute
Hollow connection tube is stated to be vertically connected between bracket and housing, bracket and housing be correspondingly provided with circular hole with in hollow connection tube
Hole is connected to for being secured across the tested heat power supply device of calorimeter；The bracket and housing be also correspondingly provided with two fixation holes for point
It is not secured across temperature sensor and electricity mark.
2. calorimetric reaction vessel according to claim 1, it is characterised in that: the thermally insulating housing bottom is equipped with diving magnetic force and stirs
Device lock chamber (9) are mixed for fixed diving magnetic stirring apparatus.
3. calorimetric reaction vessel according to claim 1, it is characterised in that: the silver-plated vacuum Dewar bottle opening's edge of bilayer and lid
Sponge thermal insulation layer (4) are equipped between cover inner wall.
4. calorimetric reaction vessel according to claim 3, it is characterised in that: the sponge thermal insulation layer and the double-deck silver-plated vacuum are shut out
Watt bottleneck is additionally provided with the aluminium foil layer (5) of thermal radiation resistant between.
5. calorimetric reaction vessel according to claim 1, it is characterised in that: the silver-plated vacuum Dewar bottle of bilayer is generally double
The Dewar bottle of layer glass, and double glazing is all silver-plated, and vacuum degree is up to 0.001 Pa between bilayer.
6. calorimetric reaction vessel according to claim 1, it is characterised in that: the tested heat power supply device of calorimeter is titration heat
Meter sample injector or combustion heat meter rotation bullet or dissolution calorimeter sample injector.
7. calorimetric reaction vessel according to claim 1, it is characterised in that: the thermally insulating housing is metal material or plastics system
At；The housing of the I-shaped container cover is made of metal material or plastics.
8. calorimetric reaction vessel according to claim 1, it is characterised in that: the housing inner wall of the I-shaped container cover is set
There is screw thread, the silver-plated vacuum Dewar bottle bottleneck outer wall of bilayer is equipped with screw thread, and the double-deck silver-plated vacuum Dewar bottle is connected through a screw thread
It is sealingly fastened in housing.
9. calorimetric reaction vessel according to claim 1, it is characterised in that: the housing outer wall of the I-shaped container cover is set
There is screw thread, the thermally insulating housing upper opening inner wall is equipped with screw thread, and thermally insulating housing, which is connected through a screw thread, is sealingly fastened in housing.
10. calorimetric reaction vessel according to claim 1, it is characterised in that: the thermally insulating housing upper opening edge and housing
Between be additionally provided with O-ring seals (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820746719.3U CN208187594U8 (en) | 2018-05-18 | 2018-05-18 | Calorimetric reaction vessel for high-precision calorimeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820746719.3U CN208187594U8 (en) | 2018-05-18 | 2018-05-18 | Calorimetric reaction vessel for high-precision calorimeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN208187594U true CN208187594U (en) | 2018-12-04 |
| CN208187594U8 CN208187594U8 (en) | 2019-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820746719.3U Active CN208187594U8 (en) | 2018-05-18 | 2018-05-18 | Calorimetric reaction vessel for high-precision calorimeter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426655A (en) * | 2018-05-18 | 2018-08-21 | 湘南学院 | Calorimetric reaction vessel for high-precision calorimeter |
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2018
- 2018-05-18 CN CN201820746719.3U patent/CN208187594U8/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426655A (en) * | 2018-05-18 | 2018-08-21 | 湘南学院 | Calorimetric reaction vessel for high-precision calorimeter |
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| Publication number | Publication date |
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| CN208187594U8 (en) | 2019-03-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CU01 | Correction of utility model patent |
Correction item: Second inventor Correct: Li Qiangguo False: Li Guoqiang Number: 49-01 Page: The title page Volume: 34 Correct: Li Qiangguo False: Li Guoqiang Number: 49-01 Volume: 34 |
|
| CU01 | Correction of utility model patent |