CN220019094U - Preparation facilities of glass test sample for glass physical property test - Google Patents
Preparation facilities of glass test sample for glass physical property test Download PDFInfo
- Publication number
- CN220019094U CN220019094U CN202320654867.3U CN202320654867U CN220019094U CN 220019094 U CN220019094 U CN 220019094U CN 202320654867 U CN202320654867 U CN 202320654867U CN 220019094 U CN220019094 U CN 220019094U
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- China
- Prior art keywords
- glass
- sample
- melting furnace
- test sample
- hearth
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- 239000011521 glass Substances 0.000 title claims abstract description 87
- 238000012360 testing method Methods 0.000 title claims abstract description 55
- 230000000704 physical effect Effects 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000001304 sample melting Methods 0.000 claims abstract description 33
- 239000003365 glass fiber Substances 0.000 claims abstract description 21
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 21
- 238000002844 melting Methods 0.000 claims abstract description 16
- 230000008018 melting Effects 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 238000012681 fiber drawing Methods 0.000 claims abstract description 8
- GALOTNBSUVEISR-UHFFFAOYSA-N molybdenum;silicon Chemical compound [Mo]#[Si] GALOTNBSUVEISR-UHFFFAOYSA-N 0.000 claims description 5
- 229910000629 Rh alloy Inorganic materials 0.000 claims description 4
- PXXKQOPKNFECSZ-UHFFFAOYSA-N platinum rhodium Chemical compound [Rh].[Pt] PXXKQOPKNFECSZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000011449 brick Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000003779 heat-resistant material Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 2
- 238000004321 preservation Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 241000251468 Actinopterygii Species 0.000 description 3
- 238000000137 annealing Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000006060 molten glass Substances 0.000 description 2
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The glass melting device comprises a sample melting furnace, a temperature controller and a platinum crucible for containing samples, wherein a heating element for heating and a movable base for placing the platinum crucible are arranged in the sample melting furnace, and the temperature controller is arranged in the sample melting furnace and is distributed close to the heating element; the glass fiber drawing device comprises a glass fiber leading head and a drawing device, wherein the glass fiber leading head comprises a hammer body and a traction wire connected with the hammer body, and the head end part of the traction wire is connected with the drawing device and can rotate under the control of the drawing device; solves the technical problem that the preparation of the high-melting-point glass physical property test sample in the prior art is difficult; by adopting the preparation device, the sample preparation technology has low cost and high speed, and meanwhile, the accuracy and reliability of the physical property test results of various glasses can be ensured.
Description
Technical Field
The utility model belongs to the technical field of glass physical property testing, and particularly relates to a device for preparing a glass test sample for glass physical property testing.
Background
The physical indexes of the glass comprise expansion coefficient, softening point, annealing point, strain point and the like, and the accuracy of the detection data of the physical indexes is very important to the melting of the glass and the production link of the glass. At present, the glass has a plurality of types, the melting points of the glass are different greatly, the physical property test of the common glass is carried out, the physical property test sample preparation of the glass is carried out by using a common fish tail lamp due to the low melting point, but the preparation of the glass with a very high melting point by using a fish tail lamp is difficult, and the preparation of the sample is difficult due to the high melting point of the glass, the common fire head cannot be burnt.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, provides a device for preparing a glass test sample for testing physical properties of glass, and solves the problem that the preparation of the glass test sample with high melting point is difficult.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the preparation device of the glass test sample for glass physical property test comprises a glass melting device and a glass fiber drawing device, wherein the glass melting device comprises a sample melting furnace, a temperature controller and a platinum crucible for containing the sample, a heating element for heating and a movable base for placing the platinum crucible are arranged in the sample melting furnace, and the temperature controller is arranged in the sample melting furnace and is close to the heating element;
the glass fiber drawing device comprises a glass fiber leading head and a drawing device, wherein the glass fiber leading head comprises a hammer body and a traction wire connected with the hammer body, and the head end part of the traction wire is connected with the drawing device and can rotate under the control of the drawing device.
The diameter of the hammer body is 8-20 mm, and the height of the hammer body is 20-50 mm.
The hammer body is made of platinum-rhodium alloy, and the heating element is heated by a silicon-molybdenum rod.
The hearth opening of the sample melting furnace is arranged at the upper part of the hearth, and the diameter of the hearth opening is 1.0-1.5 mm larger than that of the platinum crucible.
The hearth of the sample melting furnace is built into a cylindrical hearth by using refractory bricks, and the depth of the hearth is 20.0-30.0 mm higher than the height of the platinum crucible.
The outside of the sample melting furnace is also covered with a stainless steel shell, and the inside of the sample melting furnace is provided with a heat insulation plate and a fiber heat-resistant material heat preservation layer.
The pulling speed of the pulling device is adjustable, and the pulling speed is 0.01-40 m/min.
The drawing device is positioned right above the hearth opening of the sample melting furnace and is adjustable in position, and the installation height is not less than 3m.
The temperature controller in the sample melting furnace is adjustable in temperature, the highest temperature is 1300 ℃, the temperature control precision is +/-5 ℃, and the temperature controller is external.
The beneficial effects of the utility model are as follows:
(1) The glass test sample preparation device for glass physical property test comprises a glass melting device and a glass fiber drawing device, wherein the glass melting device comprises a sample melting furnace, a temperature controller and a platinum crucible for containing samples, a heating element for heating and a movable base for placing the platinum crucible are arranged in the sample melting furnace, and the temperature controller is arranged in the sample melting furnace and is close to the heating element; the glass fiber drawing device comprises a glass fiber leading head and a drawing device, wherein the glass fiber leading head comprises a hammer body and a traction wire connected with the hammer body, and the head end part of the traction wire is connected with the drawing device and can rotate under the control of the drawing device; solves the technical problem that the preparation of the high-melting-point glass physical property test sample in the prior art is difficult; by adopting the preparation device, the sample preparation technology has low cost and high speed, and meanwhile, the accuracy and reliability of the physical property test results of various glasses can be ensured.
(2) The utility model utilizes the advantages that the glass viscosity has fluidity and ductility in a certain range of viscosity, the mechanical drawing is used for preparing detection samples with expansion coefficient, softening point, annealing point, strain point and the like, the prepared detection samples have uniform thickness, high preparation speed and high efficiency, and a large-range sample with the diameter of 0.2-10 mm can be prepared by adjusting the drawing speed and the glass viscosity range, thereby solving the problem of difficult preparation of the high-melting-point glass physical property performance detection samples.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic structural view of a platinum crucible;
FIG. 3 is a schematic view of the structure of a glass yarn leader;
table 1 is a glass test sample assay.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
The utility model provides a preparation device of a glass test sample for testing physical properties of glass, which is shown in figures 1 to 3.
The preparation device of the glass test sample for testing the physical properties of the glass comprises a glass melting device and a glass fiber drawing device; the melting device comprises a sample melting furnace 1, a temperature controller 2 and a platinum crucible 3; the outside of the sample melting furnace 1 is covered with a stainless steel shell, the inside is provided with a heat insulating plate and a fiber heat-resistant material heat-insulating layer, and the sample melting furnace is heated by a silicon-molybdenum rod heating element 4. In the embodiment, a hearth of the sample melting furnace 1 is built into a cylindrical hearth by using refractory bricks, and the depth of the hearth is 20.0-30.0 mm higher than the height of the platinum crucible 3; the hearth opening of the sample melting furnace 1 is arranged at the upper part of the hearth, the diameter of the hearth opening is 1.0-1.5 mm larger than that of the platinum crucible, and the hearth of the sample melting furnace 1 is heated by using silicon-molybdenum rods which are uniformly distributed in a circular shape at the edge of the hearth.
In order to facilitate the movement, a base 11 at the bottom of a hearth of the melting furnace 1 is movable, the base is controlled by a motor to lift up and down in the hearth, and a platinum crucible for containing samples is placed on the base.
The temperature controller is used for controlling the temperature of the sample melting furnace, the temperature of the temperature controller is adjustable, the highest temperature is 1300 ℃, the temperature control precision is +/-5 ℃, and the temperature controller is externally arranged; meanwhile, the temperature controller controls the thermocouple of the temperature, and is arranged at a position very close to the heating element of the silicon-molybdenum rod, so that the rapid temperature response can be achieved, and the purpose of accurately controlling the furnace can be achieved; the thermocouple for testing the temperature of the glass sample is positioned at the bottom of the sample crucible so as to ensure the uniformity of the temperature of the sample.
The glass fiber drawing device comprises a glass fiber leading head 5 and a drawing device 6, wherein the glass fiber leading head comprises a hammer body and a drawing wire connected with the hammer body, and the head end part of the drawing wire is connected with the drawing device and can rotate under the control of the drawing device.
In the embodiment, a platinum-rhodium alloy crucible is used for placing molten glass, and the crucible is a platinum crucible with a special size; the glass fiber traction head of the drawing device is made of platinum-rhodium alloy, is immersed in molten glass for rotation, is used as a traction head for drawing glass fibers, is a cone with the diameter of 8-20 mm, has the cone height of 20-50 mm, and is integrally connected with the cone, and meanwhile, the glass fiber traction head can rotate and is used as a stirring rod.
The drawing speed of the drawing device is adjustable, the drawing speed is 0.01-40 m/min, the drawing device is positioned right above the hearth opening of the sample melting furnace and is adjustable in position, and the installation height is not less than 3m.
When the glass test sample is pulled, the viscosity of the glass is controlled to be 10 3.5 ～10 5.5 Drawing in the Pa.S range; preferably, the viscosity is controlled at 10 4.0 ～10 5.2 Pa·s range; the device can draw a glass sample with the diameter of 0.20-10 mm.
The preparation device of the glass test sample for testing the physical properties of the glass comprises the following steps:
a. and (3) placing a certain amount of glass sample to be measured into a platinum crucible, and then placing the platinum crucible into a hearth of a sample melting furnace.
b. And (3) raising the temperature of the hearth to a set value according to a set temperature raising curve, wherein the viscosity of the glass at the set temperature reaches a viscosity range required by drawing glass filaments.
c. After the temperature reaches the target value, the temperature is kept for 30 minutes, so that the glass liquid in the platinum crucible is in a uniform and stable state.
d. And (3) adjusting the position of the drawing machine to be right above the sample melting furnace, and ensuring that the drawing head is right in the middle of the glass liquid level.
e. The drawing speed of the drawing machine is set, and the drawing speed of the drawing machine for drawing the glass sample is set according to the viscosity of the glass and the diameter of the glass sample.
f. Preheating the drawing head of the drawing machine, placing the drawing head under the glass liquid surface, and penetrating into the position 2-4cm below the liquid surface to enable the drawing head to be fully immersed with the glass liquid (ensuring that the glass cannot be separated from the drawing head during drawing).
g. And opening a switch of the tractor to enable the tractor to start moving, and starting drawing glass according to the set speed.
Table 1 below shows the results of the physical property data measured by drawing glass test samples using the manufacturing apparatus using several glasses having different compositions. Examples are glass test samples prepared using the preparation apparatus of the present utility model, and comparative examples are glass test samples prepared by a general method.
According to the data obtained by the test, the physical property test sample prepared by the artificial fish tail lamp cap is more and more difficult to prepare along with the increase of the temperature of the glass melting point, the prepared test sample is thinner in diameter, the thickness of the sample is uneven, and the error of the tested data is increased. The glass test sample prepared by the method not only ensures that the diameter of the prepared glass test sample is uniform, but also ensures that the standard ratio of the tested data to the glass has much smaller error.
In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the utility model.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which are all within the scope of the claimed utility model. The scope of the utility model is defined by the appended claims and equivalents.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "front", "rear", "left", "right", "center", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the protection of the present utility model.
Claims (9)
1. The utility model provides a preparation facilities of glass test sample for glass physical properties test which characterized in that: the glass melting device comprises a sample melting furnace, a temperature controller and a platinum crucible for containing samples, wherein a heating element for heating and a movable base for placing the platinum crucible are arranged in the sample melting furnace;
the glass fiber drawing device comprises a glass fiber leading head and a drawing device, wherein the glass fiber leading head comprises a hammer body and a traction wire connected with the hammer body, and the head end part of the traction wire is connected with the drawing device and can rotate under the control of the drawing device.
2. The apparatus for preparing a glass test sample for testing physical properties of glass according to claim 1, wherein: the diameter of the hammer body is 8-20 mm, and the height of the hammer body is 20-50 mm.
3. The apparatus for preparing a glass test sample for testing physical properties of glass according to claim 1, wherein: the hammer body is made of platinum-rhodium alloy, and the heating element is heated by a silicon-molybdenum rod.
4. A glass test sample preparation apparatus for glass physical property testing according to any one of claims 1 to 3, wherein: the hearth opening of the sample melting furnace is arranged at the upper part of the hearth, and the diameter of the hearth opening is 1.0-1.5 mm larger than that of the platinum crucible.
5. The apparatus for preparing a glass test sample for testing glass physical properties according to claim 4, wherein: the hearth of the sample melting furnace is built into a cylindrical hearth by using refractory bricks, and the depth of the hearth is 20.0-30.0 mm higher than the height of the platinum crucible.
6. The apparatus for preparing a glass test sample for testing glass physical properties according to claim 4, wherein: the outside of the sample melting furnace is also covered with a stainless steel shell, and the inside of the sample melting furnace is provided with a heat insulation plate and a fiber heat-resistant material heat preservation layer.
7. The apparatus for preparing a glass test sample for testing glass physical properties according to claim 4, wherein: the pulling speed of the pulling device is adjustable, and the pulling speed is 0.01-40 m/min.
8. The apparatus for preparing a glass test sample for testing glass physical properties according to claim 4, wherein: the drawing device is positioned right above the hearth opening of the sample melting furnace and is adjustable in position, and the installation height is not less than 3m.
9. The apparatus for preparing a glass test sample for testing glass physical properties according to claim 4, wherein: the temperature controller in the sample melting furnace is adjustable in temperature, the highest temperature is 1300 ℃, the temperature control precision is +/-5 ℃, and the temperature controller is external.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320654867.3U CN220019094U (en) | 2023-03-29 | 2023-03-29 | Preparation facilities of glass test sample for glass physical property test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320654867.3U CN220019094U (en) | 2023-03-29 | 2023-03-29 | Preparation facilities of glass test sample for glass physical property test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220019094U true CN220019094U (en) | 2023-11-14 |
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ID=88673197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320654867.3U Active CN220019094U (en) | 2023-03-29 | 2023-03-29 | Preparation facilities of glass test sample for glass physical property test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220019094U (en) |
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2023
- 2023-03-29 CN CN202320654867.3U patent/CN220019094U/en active Active
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