CN207600990U - A kind of rock specific heat capacity measurement device - Google Patents
A kind of rock specific heat capacity measurement device Download PDFInfo
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- CN207600990U CN207600990U CN201721414885.5U CN201721414885U CN207600990U CN 207600990 U CN207600990 U CN 207600990U CN 201721414885 U CN201721414885 U CN 201721414885U CN 207600990 U CN207600990 U CN 207600990U
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Abstract
The utility model discloses a kind of rock specific heat capacity measurement device, including lower housing, heating layer, sample cup for liquid, the first galvanic couple group, thermal insulation board, cooling cup, the second galvanic couple group and upper shell；The inside of the lower housing sets the heating layer for being heated to sample cup for liquid, sample cup for liquid is movably arranged on heating layer, first galvanic couple group is arranged on the inner wall of sample cup for liquid, thermal insulation board is movably arranged on the top of lower housing, upper shell sets the top of thermal insulation board, cooling cup is arranged on the inside of upper shell, and the outside of cooling cup is provided with cooling cup thermal insulation layer, and the second galvanic couple group is arranged on the inner wall of cooling cup；When cooled, thermal insulation board is opened, upper shell is connected with the inside of lower housing, sample cup for liquid and heating layer separation, and sample cup for liquid is set in cooling cup.The apparatus structure is simple, easy to operate, and applicability is high, measures accurately, has higher value for applications.
Description
Technical field
The utility model is related to specific heat capacities to measure field, specially a kind of rock specific heat capacity measurement device.
Background technology
The specific heat capacitance of rock is a kind of common and important thermodynamic parameter, how accurately to measure the specific heat of rock
Hold, have great significance, and rock fragment is often taken as aggregate to apply in water again for the multi- scenarios method research of rock
Among cement concrete and bituminous concrete, therefore the specific heat capacity of rock fragment can also generate the heat transfer property of concrete certain shadow
It rings.Traditional rock specific heat capacity measuring device can usually submerge rock block in water, and the presence of water also can be to the specific heat of rock
Holding to generate inevitably influences, and after indivedual rocks are submerged in water, physical property can generate variation.Also indivedual rocks by
Volcano ash deposition forms, and larger stomata is contained in inside, this kind of rock density is smaller than water because without submerged, giving and measuring band
Carry out difficulty.So the specific heat capacity that rock is measured in the case of without using water can be more accurate.But the presence of water can increase
With the contact area of rock, it can shorten in measurement process and reach the thermally equilibrated time, so measuring the specific heat capacity of rock
The participation of water cuts both ways among process.
Utility model content
For problems of the prior art, the utility model provides a kind of rock specific heat capacity measurement device, according to rock
The regularity of stone specimen configuration carries out demonstration specific heat capacity using dry type measuring method or wet type measuring method and measures, reduces survey
Measure error.
The utility model is to be achieved through the following technical solutions：
A kind of rock specific heat capacity measurement device, including lower housing, heating layer, sample cup for liquid, the first galvanic couple group, thermal insulation board, cold
But cup, the second galvanic couple group and upper shell；
The inside of the lower housing sets the heating layer for being heated to sample cup for liquid, and sample cup for liquid is movably arranged on heating layer
On, the first galvanic couple group is arranged on the inner wall of sample cup for liquid, and thermal insulation board is movably arranged on the top of lower housing, upper shell be arranged on every
The top of hot plate, cooling cup are arranged on the inside of upper shell, and the second galvanic couple group is arranged on the inner wall of cooling cup；
After the completion of rock heat, thermal insulation board is opened, upper shell is connected with the inside of lower housing, sample cup for liquid and heating layer point
From sample cup for liquid is set in cooling cup.
Further, it is provided with thermal insulation layer on the outside of the cooling cup.
Further, thermal insulation layer is further included；The thermal insulation layer is arranged on lower housing between heating layer.
Further, the heating layer is barrel-like structure, and the bottom of the heating layer is provided with boss, and the bottom of sample cup for liquid is set
The matched groove of boss is equipped with, sample cup for liquid is arranged on boss.
Further, the first galvanic couple group includes three thermocouples；One of them is arranged on the bottom of sample cup for liquid, and in addition two
It is a to be symmetricly set on the side wall of sample cup for liquid.
Further, the second galvanic couple group includes three thermocouples；One of them is arranged on the bottom of cooling cup, and in addition two
It is a to be symmetricly set on the side wall of cooling cup.
Further, the bottom of the sample cup for liquid is additionally provided with the push rod for pushing up sample cup for liquid；The top of the cooling cup
Portion is provided with the push rod for pushing down on cooling cup.
Further, the thermal insulation board includes identical the first thermal insulation board and the second thermal insulation board of structure, the first thermal insulation board and the
Two thermal insulation boards are horizontally set on the top of lower housing, the first thermal insulation board and the second thermal insulation board backwards to horizontal movement, and upper shell is under
Housing connects.
Further, level is provided on first thermal insulation board through the first heat-insulated slab screw hole, the first thermal insulation board leads to
Cross the top that bolt is mounted on lower housing.
Further, the positioning pin for being positioned to thermal insulation board opening and closing state is further included；One end of positioning pin
It is arranged on lower housing across thermal insulation board.
The utility model additionally provides a kind of basis, and this states the assay method of rock specific heat capacity measurement device, including following step
Suddenly：
Step S1, the initial temperature of cooling cup is measured；
Step S2, rock sample is placed in sample cup for liquid, then sample cup for liquid is placed in heating layer, be closed heat-insulated
Plate heats sample cup for liquid；
Step S3, after treating step S2 heating, rock sample temperature and the temperature of sample cup for liquid are measured.
Step 4 opens thermal insulation board, makes sample cup for liquid and heating layer separation, and cooling cup is set in the outside of sample cup for liquid；
When step 5, cup to be cooled, sample cup for liquid are identical with rock sample temperature, the temperature of cooling cup, examination under the state measurement
The temperature of sample cup and rock sample temperature；
Step 6, the specific heat capacity that rock is calculated according to law of conservation of energy.
Further, it is further included before step SI：Judge the contact area of rock and sample cup for liquid；
When the contact surface of rock and sample cup for liquid is more than rock surface product 80%, then using dry type mensuration；
When the contact surface of rock and sample cup for liquid is less than rock surface product 80%, then using wet type mensuration.
Further：When using drying measure, the formula of law of conservation of energy is：
|C3M3(T0 *-T0) |=| C2M2(T2-T2 *)+C1M1(T1-T1 *)|
Therefore
Wherein, M1Quality for rock；M2For sample cup for liquid quality；M3For cooling cup quality；C1Specific heat capacity for rock；C2For
The specific volume of sample cup for liquid；C3Specific heat capacity for cooling cup；T0Initial temperature for cooling cup；T1Temperature for rock after heating；T2For
The temperature of sample cup for liquid after heating；T0 *To cool down the temperature of postcooling cup；T1 *Temperature for rock after cooling is；T2 *After cooling
The temperature of sample cup for liquid；
When being measured using wet hair, the formula of law of conservation of energy is：
|C3M3(T0 *-T0) |=| C2M2(T2-T2 *)+C4M4(T1-T1 *)+C1M1(T1-T1 *)|
Therefore
Wherein, M4For the quality of water, C4Specific heat capacity for water.
Compared with prior art, the utility model has technique effect beneficial below：
The utility model provides a kind of rock specific heat capacity measurement device, the cooling of heating unit and upper end including lower end
Device and the thermal insulation board of centre, whole device forms a closed space, before and after thermocouple measurement rock heat
The stabilization that temperature change and judgement heat are transmitted, using the specific heat capacitance that surveyed rock sample is calculated.Pass through thermocouple group
Gathered data calculates the specific heat capacity of rock sample；During measurement when cooling cup is contacted with sample cup for liquid, the thermal insulation layer on the outside of cooling cup
Also it can be in contact with heating layer, the outside heat-barrier material of cooling cup can prevent that heat transmission occurs between cooling cup and heater,
So as to reduce measurement error.
The heating unit of lower end forms a space more closed by heating layer, thermal insulation layer, shell and thermal insulation board, prevents
Only unnecessary heat scatters and disappears.
Sample cup for liquid is fixed in cartridge heater, and sample cup for liquid is in direct contact with cartridge heater, improves the efficiency of heating surface.
Electroheat pair is separately positioned on the inner wall of cooling cup and sample cup for liquid, and the temperature for accurately measuring sample cup for liquid and cooling cup becomes
Change, further improve measurement accuracy.
First thermal insulation board and the second thermal insulation board horizontal anomalous movement are mounted between upper shell and lower housing, cartridge heater are formed close
Envelope, reduce heating process heat scatter and disappear, avoid impacting measurement result.
The device can measure rock according to the regularity of the shape of rock style using dry type mensuration or wet type mensuration
The specific heat capacity of stone, the measuring method step is simple, measures accurate.
Description of the drawings
Fig. 1 is the utility model assay device structures schematic diagram；
Fig. 2 is the structure diagram under measurement device thermal insulation board opening state；
Fig. 3 is the structure diagram of thermal insulation board；
Fig. 4 is the structure diagram of cooling cup and cooling cup thermal insulation layer；
Fig. 5 is sample cup for liquid state of cooling lower structure schematic diagram.
In figure：1st, the second push rod, 2, upper end cover, 3, upper shell, 4, cooling cup thermal insulation layer, 5, cooling cup, 6, groove, 7, under
Housing, 8, thermal insulation layer, 9, heating layer, the 10, first thermocouple, the 11, first push rod, the 12, second thermocouple, 13, third thermoelectricity
It is even, 14, sample cup for liquid, 15, sample cup lid, 16, thermal insulation board, 17, bolt, 18, positioning pin, the 19, the 4th thermocouple, the 20, the 5th heat
Galvanic couple, the 21, the 6th thermocouple.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, it is described be the explanation to the utility model and
It is not to limit.
The utility model provides a kind of rock specific heat capacity measurement device, which includes lower housing 7, thermal insulation layer 8, heating
Layer 9, sample cup for liquid 14, the first thermocouple group, the first push rod 11, a pair of of thermal insulation board 8, upper shell 2, cooling cup 5, the second thermocouple
Group and the second push rod 1.
Lower housing 7 is barrel-like structure, and one layer of thermal insulation layer 8 is set on the inner wall of lower housing 7, and thermal insulation layer is internally provided with
Heating layer, heating layer are barrel-like structure, and the bottom of heating layer is provided with round boss, and the bottom setting of sample cup for liquid 14 is fluted,
And groove is adapted with the boss of heating layer bottom, on heating layer 9, the top of sample cup for liquid 14 is set 14 setting activity of sample cup for liquid
Sample cup lid 15 is equipped with, the first thermocouple group sets the inside of sample cup for liquid 14, for measuring the temperature of sample cup for liquid 14 and rock sample
Degree, one end of the first push rod 11 sequentially passes through lower housing 7, thermal insulation layer 8 and heating layer 9 and sample cup for liquid 14 from the bottom of lower housing 7
Connection pushes up sample cup for liquid after the completion of the heating of sample cup for liquid 14.
First thermocouple group includes the first thermocouple 10, the second thermocouple 12 and third thermocouple 13；First thermocouple 10
The bottom on the inside of sample cup for liquid is arranged on, for measuring the temperature of rock；Second thermocouple 12 and third thermocouple 13 are symmetrically arranged at
On the side wall of sample cup for liquid 14.
A pair of of thermal insulation board is symmetrical structure, is provided with horizontal bar shaped screw hole in the middle part of thermal insulation board, bar shaped screw hole level is passed through
Thermal insulation board is worn, thermal insulation board 16 is movably fixed to the top of lower housing 7 by bolt 17, and a pair of of thermal insulation board can be horizontal along bar shaped spiral shell
Heating layer 9 is closed or opened by hole horizontal movement；The bottom setting of thermal insulation board 16 is fluted, for opening or closing thermal insulation board
It closes.
Upper shell 3 is hollow cylinder, is arranged on the top of thermal insulation board 16, and upper shell 3 is internally provided with the cold of upside-down mounting
But cup 5, cooling cup 5 are coaxially disposed with sample cup for liquid 14, and cooling cup 5 can be sleeved on the outside of sample cup for liquid 14, and cooling cup 5 is double
Layer structure, outside is thermal insulation layer, and internal layer is heat-conducting layer, and the second thermocouple group is arranged on the inner wall of heat-conducting layer, cold for measuring
But the temperature of cup 5, the top of upper shell 3 are provided with upper end cover 2, and one end of the second push rod 1 passes through upper end cover 2 and cooling cup 5
Bottom connects, and can push down on cooling cup 5.
Second thermocouple group includes the 4th thermocouple 19, the 5th thermocouple 20 and the 6th thermocouple 21；6th thermocouple 21
It is arranged on the bottom of 5 inside of cooling cup；4th thermocouple 19 and the 5th thermocouple 20 are symmetrically arranged on the side wall of cooling cup 5.
The lower end of upper shell 2 is provided with circular orientation platform, on thermal insulation board 16 setting there are two location hole, be respectively used to every
It is positioned under 16 open or closed state of hot plate, one end of positioning pin 18 sequentially passes through the positioning of the positioning table and thermal insulation board of upper shell
On hole setting lower housing 7.
First push rod 11 and the second push rod 1 are preferably made of wood materials, and are T-type structure.
Heating dish can also be used in heating layer or heating tube heats sample cup for liquid.
The heating temperature of sample cup for liquid 14 is 100 ° -140 °.
A kind of assay method of rock specific heat capacity measurement device of the utility model is divided into two kinds, and one kind is dry type measure side
Method, another kind are wet type assay methods, and two kinds of assay methods of the present apparatus are described in detail below.
When the shape of rock sample is more regular, and is put into sample cup for liquid and can be good at being in contact with sample wall of cup, rock
When the contact surface of stone sample and sample cup for liquid is more than rock surface product 80%, then using dry type mensuration；
When the shape of rock sample is irregular, and is put into sample cup for liquid and can not be in contact well with sample wall of cup, rock
When the contact surface of stone and sample cup for liquid is less than rock surface product 80%, then add water into sample cup for liquid, using wet type mensuration.
Embodiment 1
Dry type measuring method
The sole mass M of rock sample is weighed first1, sample cup for liquid mass M2, cooling cup mass M3If rock sample
Specific heat capacity C1, the material of sample cup for liquid and cooling cup internal layer is it is known that the specific volume of sample cup for liquid is C2, cooling cup specific heat capacity be C3。
Remove the positioning pin 18 on thermal insulation board, by the opposite pulling of a pair of heat-insulated plate level, upper shell 2 is made to connect with heating layer 9
It is logical, then remove upper end cover 2, and open sample cup lid 15, by rock sample mode sample cup for liquid 14, ensure the table of rock sample
Face is contacted with sample cup for liquid inner wall, then covers sample cup lid 15, closes thermal insulation board 16, installs upper end cover 2；Pass through the 4th thermocouple
19th, the 5th thermocouple 20 and the 6th thermocouple 21 measure the initial temperature initial temperature T of cooling cup 50。
Then sample cup for liquid 14 is heated by heating layer 9, sample cup for liquid 14 conducts heat to rock sample, has heated
Rock sample temperature T at this time is recorded by the second thermocouple 12 after finishing1With the temperature T of sample cup for liquid 142。
Positioning pin 18 is extracted at this time, and with groove 6 is pulled so that a pair of of thermal insulation board 16 separates, the second push rod 1 of pushing is so that cold
But cup 5 moves down, while above pushes away the first push rod 11 so that sample cup for liquid 14 is detached with the bottom of heating layer, and cooling cup 5 is arranged
In the outside of sample cup for liquid 14, the outside thermal insulation layer of cooling cup 5 can prevent heat occurs between cooling cup 14 and heating layer to pass at this time
It passs, so as to reduce measurement error；When waiting for cooling cup 5, sample cup for liquid 14 consistent with rock sample temperature, cooling cup 5 is recorded
Temperature T0 *, the temperature T of sample cup for liquid 142 *And rock sample temperature T1 *。
The specific heat capacity of rock sample is calculated according to conservation of energy formula：
|C3M3(T0 *-T0) |=| C2M2(T2-T2 *)+C1M1(T1-T1 *)|
Therefore
Embodiment 2
Wet type measuring method
When cannot be in contact well when the rock sample of measurement is irregular and with sample wall of cup, added among sample cup for liquid
Water, water carry out hot transmission as medium, and it is as follows to shorten time, specific measuring method used in arrival thermal balance：
The sole mass M of rock sample is weighed first1, sample cup for liquid mass M2, cooling cup mass M3, added in sample cup for liquid
The mass M of the water added4If the specific heat capacity C of rock sample1, the material of sample cup for liquid and cooling cup is it is known that the specific volume of sample cup for liquid is C2、
The specific heat capacity C of water3, the specific heat capacity of cooling cup is C4。
Rock sample is then injected into a certain amount of water among sample cup for liquid 14 and then covers sample cup lid 15, sample cup for liquid
Lid 15 seal sample rim of a cup prevent water heat after evaporative heat loss so as to bring error to measurement result, open upper end cover 2 and heat-insulated
Sample cup for liquid 14 is placed at the boss of heating layer 9 by plate 16, is matched at sample cup for liquid 14 and the boss of 9 bottom of heating layer, by sample
Cup 14 covers upper end cover 2 after fixing, while ensures that thermal insulation board 16 is closed state.Pass through the 19, the 5th heat of the 4th thermocouple
20 and the 6th thermocouple 21 of galvanic couple measures 22 initial temperature T of cooling cup0。
Then sample cup for liquid 14 is heated by heating layer 9, heats and water is measured by the second thermocouple 12 after finishing
Temperature T1With the T of sample cup for liquid 142。
Positioning pin 18 is extracted at this time, and with groove 6 is pulled so that thermal insulation board 16 separates, the second push rod 1 of pushing is so that cooling cup
22 move down, while above push away the first push rod 11 so that sample cup for liquid 14 is detached with the bottom of heating layer 9, and cooling cup 22 is set in
The outside of sample cup for liquid 14 waits for cooling cup 22, sample cup for liquid 14 and (water temperature at this time is equal to the temperature for surveying rock during consistent coolant-temperature gage
Degree), record the temperature T of cooling cup 50 *, the temperature T of sample cup for liquid 142 *And rock sample temperature T1 *。
The specific heat capacity of rock sample is calculated according to conservation of energy formula：
|C4M4(T0 *-T0) |=| C2M2(T2-T2 *)+C3M3(T1-T1 *)+C1M1(T1-T1 *)|
Therefore
More than content is only to illustrate the technological thought of the utility model, it is impossible to the protection model of the utility model is limited with this
Enclose, it is every according to the utility model proposes technological thought, any change done on the basis of technical solution each falls within this reality
Within protection domain with novel claims.
Claims (9)
1. a kind of rock specific heat capacity measurement device, which is characterized in that including lower housing (7), heating layer (9), sample cup for liquid (14),
One galvanic couple group, thermal insulation board (16), cooling cup (5), the second galvanic couple group and upper shell (3)；
The inside of the lower housing (7) sets the heating layer (9) for being heated to sample cup for liquid, and sample cup for liquid (14), which is movably arranged on, to be added
On thermosphere (9), the first galvanic couple group is arranged on the inner wall of sample cup for liquid (14), and thermal insulation board (16) is movably arranged on lower housing (7)
Top, upper shell (3) are arranged on the top of thermal insulation board (16), and cooling cup (5) is arranged on the inside of upper shell (3), cooling cup (5)
Outside be provided with cooling cup thermal insulation layer (4), the second galvanic couple group is arranged on the inner wall of cooling cup (5)；
When cooled, thermal insulation board (16) is opened, and upper shell (3) is connected with the inside of lower housing (7), sample cup for liquid (14) and heating layer
(9) it detaches, and sample cup for liquid (14) is set in cooling cup (5).
2. a kind of rock specific heat capacity measurement device according to claim 1, which is characterized in that further include thermal insulation layer (8)；It is described
Thermal insulation layer (8) is arranged on lower housing (7) between heating layer (9).
3. a kind of rock specific heat capacity measurement device according to claim 1, which is characterized in that the heating layer (9) is tubbiness
Structure, the bottom of the heating layer (9) are provided with boss, the bottom of sample cup for liquid (14) be provided with the matched groove of boss,
Sample cup for liquid is movably arranged on boss.
4. a kind of rock specific heat capacity measurement device according to claim 1, which is characterized in that the first galvanic couple group includes three
A thermocouple；One of them is arranged on the bottom of sample cup for liquid (14), other two is symmetricly set on the side wall of sample cup for liquid (14).
5. a kind of rock specific heat capacity measurement device according to claim 1, which is characterized in that the second galvanic couple group includes three
A thermocouple；One of them is arranged on the bottom of cooling cup (5), other two is symmetricly set on the side wall of cooling cup (5).
A kind of 6. rock specific heat capacity measurement device according to claim 1, which is characterized in that the bottom of the sample cup for liquid (14)
It is additionally provided with the first push rod (11) for pushing up sample cup for liquid (14)；It is provided at the top of the cooling cup (5) by cooling cup
(5) the second push rod (1) pushed down on.
7. a kind of rock specific heat capacity measurement device according to claim 1, which is characterized in that the thermal insulation board (16) includes knot
Structure identical the first thermal insulation board and the second thermal insulation board, the first thermal insulation board and the second thermal insulation board are horizontally set on the top of lower housing (7)
Portion, the first thermal insulation board and the second thermal insulation board are connected backwards to horizontal movement, upper shell (3) with lower housing (7).
8. a kind of rock specific heat capacity measurement device according to claim 7, which is characterized in that set on first thermal insulation board
There is level through the first heat-insulated slab screw hole, the first thermal insulation board is by bolt (17) mounted on the top of lower housing.
9. a kind of rock specific heat capacity measurement device according to claim 8, which is characterized in that further include to beat thermal insulation board
The positioning pin (18) that open and close conjunction state is positioned；One end of positioning pin (18) is arranged on lower housing across thermal insulation board (16)
(7) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721414885.5U CN207600990U (en) | 2017-10-30 | 2017-10-30 | A kind of rock specific heat capacity measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721414885.5U CN207600990U (en) | 2017-10-30 | 2017-10-30 | A kind of rock specific heat capacity measurement device |
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| Publication Number | Publication Date |
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| CN207600990U true CN207600990U (en) | 2018-07-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621479A (en) * | 2017-10-30 | 2018-01-23 | 长安大学 | A kind of rock specific heat capacity measure device and assay method |
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2017
- 2017-10-30 CN CN201721414885.5U patent/CN207600990U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621479A (en) * | 2017-10-30 | 2018-01-23 | 长安大学 | A kind of rock specific heat capacity measure device and assay method |
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