CN108896432A - A kind of hot weighing-appliance and the method for measuring burning velocity - Google Patents
A kind of hot weighing-appliance and the method for measuring burning velocity Download PDFInfo
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- CN108896432A CN108896432A CN201810930695.1A CN201810930695A CN108896432A CN 108896432 A CN108896432 A CN 108896432A CN 201810930695 A CN201810930695 A CN 201810930695A CN 108896432 A CN108896432 A CN 108896432A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
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Abstract
A kind of hot weighing-appliance and the method for measuring burning velocity, belong to metallurgical technology field.A kind of hot weighing-appliance, weight change for sample to be tested in HEATER FOR MEASURING, including electronic balance, multiple heat insulating mattress and supporting element, multiple heat insulating mattress are set to the pallet of electronic balance, one end of supporting element is set to heat insulating mattress, the other end is set in heater, and supporting element is configured to place sample to be tested and the weight of sample to be tested is transferred to the pallet of electronic balance in the form of pressure.Reduce the heat radiation that electronic balance is reached from heater, it is ensured that the precision of electronic balance, it being capable of the high-precision weight change for measuring the sample to be tested on supporting element.A method of measurement burning velocity, by using above-mentioned hot weighing-appliance, hot weighing-appliance still keeps high-precision at high temperature, can accurately measure the weight change of aflame sample to be tested, and record in the given time, draw out the combustion curve of sample to be tested.
Description
Technical field
The present invention relates to a kind of metallurgical technology fields, and in particular to a kind of hot weighing-appliance and measurement burning velocity
Method.
Background technique
The experiment of current hot continuous weighting, there are two types of methods to carry out：Weighing equipment is placed on heating furnace by the first
Fang Jinhang is weighed, and under conditions of logical protection gas and also Primordial Qi, such method can bear very high temperature, but in oxidizing atmosphere
Under, at 1200 DEG C or more, the wire for slinging sample can be oxidized temperature, first is that weighing accuracy is influenced, second is that wire meeting
It is tapered and becomes fragile, load-bearing is just difficult to after the oxidation of certain time, cause experiment that can not carry out；Second in lower temperature
Lower weighing equipment is placed in below heater carries out experiment, and this measurement method is more than 1000 DEG C or lower temperature in temperature
When lower development long period of experiments, thermal current and heat radiation below furnace body can damage weighing apparatus Weighing module, cause weighing apparatus
It is difficult to precise, or even can not be weighed, causes the experiment under high temperature that can not carry out.
Summary of the invention
The purpose of the present invention is to provide a kind of hot weighing-appliance, this hot weighing-appliance is tender can be accurate at high temperature
Measure weight.
Another object of the present invention is to provide a kind of method for measuring burning velocity, measurement samples to be tested that can be stable
Burning velocity.
The present invention solves its technical problem and adopts the following technical solutions to realize.
The present invention proposes a kind of hot weighing-appliance, the weight change for sample to be tested in HEATER FOR MEASURING comprising
Electronic balance, multiple heat insulating mattress and supporting element, multiple heat insulating mattress are set to the pallet of electronic balance, one end setting of supporting element
In heat insulating mattress, the other end is set in heater, supporting element be configured to place sample to be tested and by the weight of sample to be tested with
The form of pressure is transferred to the pallet of electronic balance.
Further, thermal insulation board is additionally provided between heater and electronic balance, thermal insulation board is connect with heater.
Further, hot weighing-appliance further includes the water-cooling system for cooling down electronic balance.
Further, hot weighing-appliance further includes the heat insulated support for being used to support supporting element.
Further, supporting element includes support tube and positioning sleeve, and support tube is set to heat insulated support by positioning sleeve.
Further, the total weight of multiple heat insulating mattress and supporting element is less than 1.5kg.
Further, the maximum range of electronic balance is 2kg, weighing accuracy 0.001g.
A method of measurement burning velocity is implemented by above-mentioned hot weighing-appliance, measures burning velocity
Method includes：
Coke sample is placed in heater using supporting element；
Heater is warming up to target temperature, in target temperature constant temperature until the weight of coke sample no longer changes；
During heater heating and constant temperature, the weight of sample to be tested is recorded at predetermined time intervals.
Further, sample to be tested be coke sample when, target temperature be 1100~1300 DEG C, the predetermined time be 30~
180s。
Further, the mode of heater heating is that heater is first warming up to 300 DEG C using 50~70min, is reused
Heater is warming up to 600 DEG C by 20~40min, and heater is finally warming up to 1100~1300 DEG C using 70~100min.
The beneficial effect of the embodiment of the present invention is：
A kind of hot weighing-appliance provided by the invention, the weight change for sample to be tested in HEATER FOR MEASURING.It is hot
Weighing-appliance, to reduce the heat radiation for reaching electronic balance, prevents electricity by the way that heat insulating mattress is arranged on the pallet of electronic balance
Sub- balance temperature increases the precision for influencing its measurement.Supporting element is for placing sample to be tested and the weight of sample to be tested with pressure
Form be transferred to the pallet of electronic balance, make electronic balance avoid being heated, can on high-precision measurement supporting element to
The weight change of sample.
A kind of method measuring burning velocity provided by the invention, by using above-mentioned hot weighing-appliance, hot weighing
Equipment still keeps high-precision at high temperature, can accurately measure the weight change of aflame sample to be tested, and predetermined
It is recorded in time, draws out the combustion curve of sample to be tested.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of the hot weighing-appliance of the embodiment of the present invention.
Icon：101- electronic balance；102- pallet；103- water-cooling system；201- heat insulating mattress；301- supporting element；302- branch
Stay tube；303- positioning sleeve；401- heat insulated support；501- thermal insulation board；601- heater.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " first ", " second " " third " etc. are only used for distinguishing and retouch
It states, is not understood to indicate or imply relative importance.
The orientation or positional relationship of the instructions such as term " on ", "lower", "left", "right", "inner", "outside" is based on shown in attached drawing
Orientation or positional relationship or the invention product using when the orientation or positional relationship usually put, be merely for convenience of
The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
In addition, the terms such as " vertical " are not offered as requiring absolute upright between component, but can be slightly tilted.As " hung down
Directly " only refer to that its direction is in contrast more vertical, be not indicate the structure have to it is completely vertical, but can be slightly
Inclination.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " etc. shall be understood in a broad sense.For example, it may be being fixedly connected, may be a detachable connection, or
It is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be by between intermediary
It connects connected, can be the connection inside two elements.For the ordinary skill in the art, can be understood with concrete condition
The concrete meaning of above-mentioned term in the present invention.
A kind of hot weighing-appliance of the embodiment of the present invention and the method for measuring burning velocity are specifically described below.
Referring to Fig. 1, the embodiment of the present invention proposes a kind of hot weighing-appliance, it is used in HEATER FOR MEASURING 601 to test sample
The weight change of product comprising electronic balance 101, multiple heat insulating mattress 201 and supporting element 301.
In embodiments of the present invention, it in order to the weight change of sample to be tested in accurate HEATER FOR MEASURING 601, selects
The maximum range of electronic balance 101 is 2kg, weighing accuracy 0.001g.In other embodiments of the invention, according to test sample
The range and precision of the weight selection electronic balance 101 of product.
Multiple thermal insulation boards 501 are set on the pallet 102 of electronic balance 101, and the area of heat insulating mattress 201 will be slightly larger than pallet
102, enable heat insulating mattress 201 that pallet 102 is completely covered, is conducive to more effectively stop heat radiation.In embodiments of the present invention,
Two pieces of heat insulating mattress 201 are selected to be set on the pallet 102 of electronic balance 101, for reducing the hot spoke for reaching electronic balance 101
It penetrates.
In other embodiments of the invention, 201 quantity of heat insulating mattress selects according to the actual situation, it should be noted that
It is 3/4ths of total weight no more than 101 range of electronic balance of multiple heat insulating mattress 201 and supporting element 301, in order to avoid add
Sample to be tested is more than range with other.
301 one end of supporting element is placed on heat insulating mattress 201, and the other end reaches in heater 601, and supporting element 301, which reaches, to be added
One end in hot device 601 passes through supporting element 301 for the weight transmitting of sample to be tested to supporting element for placing sample to be tested
301 other end acts on the pallet 102 of electronic balance 101 in the form of pressure, and then measures the weight of sample to be tested.
Referring to Fig. 1, hot weighing-appliance further includes the water-cooling system 103 for cooling down electronic balance 101, for reducing
The temperature of electronic balance 101.
In embodiments of the present invention, water-cooling system 103 is set to the outside of electronic balance 101, is wrapped in electronic balance
101, electronic balance 101 is isolated with heater 601, the heat radiation of heater 601 cannot reach electronic balance 101, while water
Cooling system 103 can reduce the temperature of electronic balance 101.
Referring to Fig. 1, hot weighing-appliance further includes the heat insulated support 401 for being used to support supporting element 301.
Heat insulated support 401 is placed on heat insulating mattress 201, contacts supporting element 301 directly with heat insulating mattress 201.In this hair
In bright embodiment, supporting element 301 uses decisive good A-frame, and the triangular portions of A-frame are placed in heat insulating mattress
On 201, the supporting surface of A-frame is for placing supporting element 301.The setting that A-frame can make supporting element 301 more stable
In on heat insulating mattress 201, while the triangular portions of A-frame can make the heat dissipation of heat insulating mattress 201 more abundant.
Referring to Fig. 1, supporting element 301 includes support tube 302 and positioning sleeve 303, support tube 302 is set by positioning sleeve 303
It is placed in heat insulated support 401.
Positioning sleeve 303 is capable of fixing the lower end of support tube 302, enable support tube 302 it is stable be set to heat insulated support
On 401, the stable weight transmitting of sample to be tested of transmitting is to electronic balance 101.
Referring to Fig. 1, thermal insulation board 501 is additionally provided between heater 601 and electronic balance 101, thermal insulation board 501 and heating
Device 601 connects.
Thermal insulation board 501 can completely cut off the heat radiation distributed from heater 601, can reduce electronic balance to a certain extent
101 temperature makes electronic balance 101 keep good precision, it is ensured that the accuracy of measurement.The heating of the connection of thermal insulation board 501 simultaneously
The lower end of device 601, thermal insulation board 501 do not interfere with the title of electronic balance 101 by 601 load-bearing of heater, the weight of thermal insulation board 501
Amount process.
The present invention also provides a kind of methods for measuring burning velocity, are implemented by above-mentioned hot weighing-appliance, survey
The method for determining burning velocity includes：
Coke sample is placed in heater 601 using supporting element 301；
Heater 601 is warming up to target temperature, in target temperature constant temperature until the weight of coke sample no longer changes；
During the heating of heater 601 and constant temperature, the weight of sample to be tested is recorded at predetermined time intervals.
Electronic balance 101 connects computer data acquisition system, after the predetermined time is set, computer-automatic collection electronics day
Flat 101 data.
When sample to be tested is coke sample, target temperature is 1100~1300 DEG C, and the predetermined time is 30~180s.Heater
The mode of 601 heatings is that heater 601 is first warming up to 300 DEG C using 50~70min, reuses 20~40min for heater
601 are warming up to 600 DEG C, and heater 601 is finally warming up to 1100~1300 DEG C using 70~100min.
With reference to embodiments to it is provided by the invention it is a kind of measure burning velocity method feature and performance make into one
The detailed description of step.
Embodiment 1
The present embodiment provides the methods of the burning velocity of measurement coke sample.
Two pieces of heat insulating mattress 201 are padded on the pallet 102 of electronic balance 101, and heat-insulating bracket is costed on heat insulating mattress 201, it will
Support tube 302 is placed on heat-insulating bracket by the way that positioning sleeve 303 is stable, and the upper end of support tube 302 is extend into heater 601；
It takes coke sample 60g to be placed in crucible, crucible is mounted in 302 upper end of support tube above heater 601, and keep away
Exempt from crucible and encounters 601 inner wall of heater；
101 water-cooling system 103 of electronic balance is opened, setting heater 60160min is warming up to 300 DEG C, and 30min is warming up to
600 DEG C, 90min is warming up to 1200 DEG C, sets the predetermined time as 60s, computer data acquisition system collects electricity every 60s automatically
The weight data of sub- balance 101 keeps constant temperature no longer to change up to the weight data of electronic balance 101, closes heater 601,
Water-cooling system 103 is closed after cooling.
Embodiment 2
The present embodiment provides the methods of the burning velocity of measurement coke sample.
Two pieces of heat insulating mattress 201 are padded on the pallet 102 of electronic balance 101, and heat-insulating bracket is costed on heat insulating mattress 201, it will
Support tube 302 is placed on heat-insulating bracket by the way that positioning sleeve 303 is stable, and the upper end of support tube 302 is extend into heater 601；
It takes coke sample 70g to be placed in crucible, crucible is mounted in 302 upper end of support tube above heater 601, and keep away
Exempt from crucible and encounters 601 inner wall of heater；
101 water-cooling system 103 of electronic balance is opened, setting heater 60150min is warming up to 300 DEG C, and 20min is warming up to
600 DEG C, 70min is warming up to 1100 DEG C, sets the predetermined time as 180s, computer data acquisition system is collected automatically every 180s
The weight data of electronic balance 101 keeps constant temperature no longer to change up to the weight data of electronic balance 101, closes heater
601, water-cooling system 103 is closed after cooling.
Embodiment 3
The present embodiment provides the methods of the burning velocity of measurement coke sample.
Two pieces of heat insulating mattress 201 are padded on the pallet 102 of electronic balance 101, and heat-insulating bracket is costed on heat insulating mattress 201, it will
Support tube 302 is placed on heat-insulating bracket by the way that positioning sleeve 303 is stable, and the upper end of support tube 302 is extend into heater 601；
It takes coke sample 75g to be placed in crucible, crucible is mounted in 302 upper end of support tube above heater 601, and keep away
Exempt from crucible and encounters 601 inner wall of heater；
101 water-cooling system 103 of electronic balance is opened, setting heater 60170min is warming up to 300 DEG C, and 40min is warming up to
600 DEG C, 100min is warming up to 1300 DEG C, sets the predetermined time as 30s, computer data acquisition system is collected automatically every 30s
The weight data of electronic balance 101 keeps constant temperature no longer to change up to the weight data of electronic balance 101, closes heater
601, water-cooling system 103 is closed after cooling.
In conclusion a kind of hot weighing-appliance provided by the invention, the weight for sample to be tested in HEATER FOR MEASURING 601
Amount variation.Hot weighing-appliance is set by being arranged on the downside of heat insulating mattress 201 and heater 601 on the pallet 102 of electronic balance 101
Thermal insulation board 501 is set, and then reduces the heat radiation for reaching electronic balance 101, preventing 101 temperature of electronic balance from increasing influences its measurement
Precision.Supporting element 301 is for placing sample to be tested and the weight of sample to be tested being transferred to electronic balance in the form of pressure
101 pallet 102, makes electronic balance 101 avoid being heated, and 301 upper end of supporting element is directly protruding into heater 601, make to
Sample directly heats in heater 601, and electronic balance 101 being capable of the high-precision sample to be tested measured on supporting element 301
Weight change.
A kind of method measuring burning velocity provided by the invention, by using above-mentioned hot weighing-appliance, hot weighing
Equipment still keeps high-precision at high temperature, can accurately measure the weight change of aflame sample to be tested, and predetermined
It is recorded in time, draws out the combustion curve of sample to be tested.
Embodiments described above is a part of the embodiment of the present invention, instead of all the embodiments.Reality of the invention
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of selected implementation of the invention
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
Claims (10)
1. a kind of hot weighing-appliance, the weight change for sample to be tested in HEATER FOR MEASURING, which is characterized in that described hot
Weighing-appliance includes electronic balance, multiple heat insulating mattress and supporting element, and the multiple heat insulating mattress is set to the electronic balance
Pallet, one end of the supporting element are set to the heat insulating mattress, and the other end is set in the heater, and the supporting element is by structure
It makes to place the sample to be tested and the weight of the sample to be tested is transferred to the institute of the electronic balance in the form of pressure
State pallet.
2. hot weighing-appliance according to claim 1, which is characterized in that between the heater and the electronic balance
It is additionally provided with thermal insulation board, the thermal insulation board is connect with the heater.
3. hot weighing-appliance according to claim 1, which is characterized in that the hot weighing-appliance further includes for cold
The water-cooling system of the electronic balance.
4. hot weighing-appliance according to claim 1, which is characterized in that the hot weighing-appliance further includes for branch
Support the heat insulated support of the supporting element.
5. hot weighing-appliance according to claim 4, which is characterized in that the supporting element includes support tube and positioning
Set, the support tube are set to the heat insulated support by the positioning sleeve.
6. hot weighing-appliance according to claim 1, which is characterized in that the multiple heat insulating mattress and the supporting element
Total weight is less than 1.5kg.
7. hot weighing-appliance according to claim 1, which is characterized in that the maximum range of the electronic balance is 2kg,
Weighing accuracy is 0.001g.
8. it is a kind of measure burning velocity method, which is characterized in that it is described measurement burning velocity method by claim 1~
7 described in any item hot weighing-appliances are implemented, and the method for the measurement burning velocity includes：
Coke sample is placed in the heater using the supporting element；
The heater is warming up to target temperature, in the target temperature constant temperature until the weight of the coke sample no longer becomes
Change；
During heater heating and constant temperature, the weight of the sample to be tested is recorded at predetermined time intervals.
9. the method for measurement burning velocity according to claim 8, which is characterized in that the sample to be tested is coke sample
When, the target temperature is 1100~1300 DEG C, and the predetermined time is 30~180s.
10. the method for measurement burning velocity according to claim 9, which is characterized in that the mode of the heater heating
For the heater is first warming up to 300 DEG C using 50~70min, 20~40min is reused by the heater and is warming up to 600
DEG C, the heater is finally warming up to 1100~1300 DEG C using 70~100min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810930695.1A CN108896432A (en) | 2018-08-15 | 2018-08-15 | A kind of hot weighing-appliance and the method for measuring burning velocity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810930695.1A CN108896432A (en) | 2018-08-15 | 2018-08-15 | A kind of hot weighing-appliance and the method for measuring burning velocity |
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| Publication Number | Publication Date |
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| CN108896432A true CN108896432A (en) | 2018-11-27 |
Family
ID=64354605
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| CN201810930695.1A Pending CN108896432A (en) | 2018-08-15 | 2018-08-15 | A kind of hot weighing-appliance and the method for measuring burning velocity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110749618A (en) * | 2019-12-25 | 2020-02-04 | 湖南三德盈泰环保科技有限公司 | Ignition point and high-temperature combustion rate integrated analysis method and analyzer |
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| CN110749618B (en) * | 2019-12-25 | 2020-04-24 | 湖南三德盈泰环保科技有限公司 | Ignition point and high-temperature combustion rate integrated analysis method and analyzer |
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Application publication date: 20181127 |