CN211348021U - A terraced temperature stove device of input or output material for crystallization performance test - Google Patents
A terraced temperature stove device of input or output material for crystallization performance test Download PDFInfo
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- CN211348021U CN211348021U CN201921651523.7U CN201921651523U CN211348021U CN 211348021 U CN211348021 U CN 211348021U CN 201921651523 U CN201921651523 U CN 201921651523U CN 211348021 U CN211348021 U CN 211348021U
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Abstract
The utility model discloses a terraced warm brazier business turn over material device for devitrification capability test, include: a D-shaped pipe, a guide rail and a conveying boat; the D-shaped pipe comprises a flat plate and an arc-shaped plate, and the flat plate is fixedly connected with the arc-shaped plate; the arc-shaped plate is used for being matched with a cylindrical hearth of the step-temperature furnace; the guide rail is fixedly arranged on the flat plate, and the conveying boat is movably arranged on the guide rail; the conveying boat is used for conveying a platinum boat for containing samples; the guide rail is provided with a limiting device for preventing the conveying boat from sliding off the rail; the end surface of one end of the D-shaped pipe close to the furnace opening is flush with the end surface of one end of the guide rail (1) close to the furnace opening. The utility model discloses a terraced warm brazier business turn over material device for crystallization performance test makes things convenient for crystallization sample to get from terraced warm brazier high temperature and puts, has higher reliability and security.
Description
Technical Field
The utility model belongs to the technical field of the flat glass test, in particular to a terraced warm braw feeding and discharging device for crystallization performance test.
Background
The glass is in a metastable state, and the internal energy of the glass is higher than that of the crystal with the same component. During cooling of the melt, there is a tendency for a lower crystal transformation in the glass and, therefore, devitrification. The devitrification can cause defects of the glass, and the application performance of the glass in all aspects is seriously influenced. Therefore, the method has important significance for new product development, product production and quality management by knowing the glass frit property and optimizing the material formula through crystallization performance test.
At present, a gradient temperature furnace is mostly adopted for testing the crystallization performance of glass. During testing, samples are processed into fragments, the fragments are placed into a platinum boat and placed into a furnace chamber with a temperature gradient, the temperature is kept for enough time, so that a glass phase and a crystal phase reach thermal equilibrium, then the platinum boat is taken out, the sample is rapidly cooled, crystallization degree, position and the like are judged through a polarizing microscope, and upper and lower limit temperatures of crystallization are determined. The hearth of the temperature gradient furnace is of a cylindrical structure, and a platinum clamp is required to clamp when a platinum boat sample is taken and put. The process of taking and placing the sample needs to be finished at high temperature and is influenced by the platinum boat and the furnace body structure, the balance of the platinum boat is difficult to be controlled, the sample is easy to be placed and inclined, the glass sample can be seriously spilled, the sample loss is caused, the melt balance is influenced, the crystallization is interfered, and the test error is caused. Once the glass scraps are sprinkled on the D-shaped pipe, the glass scraps can be directly adhered to the D-shaped pipe after being melted at high temperature, are difficult to clean, and can damage a hearth when polluting the horizontal surface of the D-shaped pipe. In addition, the risk of boat body falling and damage to the boat body and the devitrified sample exists, and even more, the potential safety hazard of scalding and burning exists.
In summary, a new feeding and discharging device of a temperature gradient furnace for testing crystallization performance is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a terraced warm brazier business turn over material device for crystallization performance test to solve the above-mentioned one or more technical problem who exists. The utility model discloses a terraced warm brazier business turn over material device for crystallization performance test makes things convenient for crystallization sample to get from terraced warm brazier high temperature and puts, has higher reliability and security.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses a terraced warm brazier business turn over material device for crystallization performance test, include: a D-shaped pipe, a guide rail and a conveying boat; the D-shaped pipe comprises a flat plate and an arc-shaped plate, and the flat plate is fixedly connected with the arc-shaped plate; the arc-shaped plate is used for being matched with a cylindrical hearth of the step-temperature furnace; the guide rail is fixedly arranged on the flat plate, and the conveying boat is movably arranged on the guide rail; the conveying boat is used for conveying a platinum boat for containing samples; the guide rail is provided with a limiting device for preventing the conveying boat from sliding off the rail; the end surface of one end of the D-shaped pipe close to the furnace opening is flush with the end surface of one end of the guide rail (1) close to the furnace opening.
Further, the guide rails are double-row parallel guide rails; the axis of the guide rail is parallel to the axis of the D-shaped pipe.
Further, the double-row parallel guide rails comprise two rows of parallel rails, and the interval between the two rows of parallel rails is 3-5 cm.
Furthermore, the limiting device is a clip; the clamp is arranged at one end of the guide rail close to the furnace mouth and used for preventing the conveying boat from derailing from the pulley at the end part.
Further, the horizontal section of the conveying boat is rectangular, the length of the rectangle is 32-38 cm, and the width of the rectangle is 6-8 cm.
Further, the conveying boat is formed by welding corundum plates.
Furthermore, moving wheels are arranged on two sides of the conveying boat and used for moving the conveying boat on the guide rail.
Further, the moving wheel is a pulley; the pulley is provided with a groove and is used for being matched with the guide rail.
Further, the number of the moving wheels is 2-3 pairs.
Further, the length of the "D" shaped tube satisfies: l ═ L1-2×L2Wherein L is the length of the D-shaped pipe, L1Is the length of the furnace chamber, L2Is the plug length.
Compared with the prior art, the utility model discloses following beneficial effect has:
the feeding and discharging device for the ladder temperature furnace for the crystallization performance test of the utility model can be used for putting or taking out a crystallization sample under the high temperature state of the plate glass crystallization performance test, can avoid the instability of holding the sample by using a platinum clamp, avoids the glass sample from spilling, can well control the balance of a glass melt, and ensures the accuracy of the test result; meanwhile, the conveying boat is arranged on the track, so that the hearth can be conveniently pulled out after the temperature is stable, a crystallization sample can be conveniently placed in the conveying boat, the risk that the boat body falls is reduced, the integrity of a crystallization spline is ensured, and the safety and the reliability of an experiment are also improved. Furthermore, in the utility model discloses, the terminal surface that is used for stretching into furnace's one end of "D" venturi tube with the terminal surface parallel and level that is used for stretching into furnace's one end of guide rail can guarantee zero alignment, and it is accurate to guarantee thermocouple temperature measurement gradient, can further ensure performance test's accuracy.
Furthermore, the rectangle is 32-38 cm in length and 6-8 cm in width, so that a plurality of crystal analysis boats (platinum boats) can be placed at one time, and a plurality of samples can be tested simultaneously; the size of setting can leave the room after placing the platinum boat, can guarantee when the experiment finishes, will carry the boat to pull out with colluding or pliers.
Furthermore, one end of the guide rail, which is used for extending into the hearth, is provided with a clamp for preventing the conveying boat from derailing from the end pulley.
Further, platinum contact cast iron can lead to platinum poisoning damage under the high temperature, the utility model discloses a carry the boat and adopt the corundum board welding to form, can not cause the pollution to the platinum material when nai to live the high temperature low temperature and strike.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art are briefly introduced below; it is obvious that the drawings in the following description are some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic structural diagram of a feeding and discharging device of a temperature gradient furnace for testing crystallization performance in an embodiment of the present invention;
in fig. 1: 1. a guide rail; 2. a "D" shaped tube; 3. a transport boat; 4. a pulley; 5. a clip.
Detailed Description
In order to make the purpose, technical effect and technical solution of the embodiments of the present invention clearer, the following description, with reference to the drawings in the embodiments of the present invention, clearly and completely describes the technical solution in the embodiments of the present invention; obviously, the described embodiments are some of the embodiments of the present invention. Based on the embodiments disclosed in the present invention, other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.
Referring to fig. 1, a feeding and discharging device of a ladder temperature furnace for testing crystallization performance of the embodiment of the present invention includes: a D-shaped pipe 2 with a guide rail 1, and a conveying boat 3 which can move back and forth on the guide rail 1; the conveying boat 3 is provided with a plurality of pulleys 4 for moving on the guide rail 1. The port of the guide rail 1 is provided with a clip 5 or a limiting bulge for preventing the conveying boat 3 from sliding off from the guide rail 1.
The utility model discloses a feeding and discharging device to "D" venturi tube 2 and guide rail 1 are the base, carry boat 3 and pulley 4 to carry the unit for the slip transport bears the weight of, adopt the corundum board welding to make, under the high temperature experiment condition, conveniently send the sample into or take out furnace, can improve performance test's reliability and security.
Wherein, the D-shaped pipe 2 with the guide rail 1, the double-row parallel guide rail is arranged on the plane side, and the semi-arc side is tightly attached to the cylindrical hearth. The distance between the guide rails 1 is 3-5 cm, and the distance can be changed according to the size of a crystallization test container. The D-shaped pipe 2 is formed by welding a flat plate and an arc-shaped plate.
Wherein, the movable conveying boat 3 is used for loading the crystallization sample platinum boat, and has a rectangular shape, a length of about 35cm +/-3 cm and a width of about 6-8 cm. In order to ensure accurate temperature gradient of the thermocouple, one end of the conveying boat 3 is flush with the D-shaped pipe 2, and the flush end is arranged close to the furnace mouth.
Wherein, the pulleys 4 are arranged on two sides of the bottom of the conveying boat 3 in an inverted I shape, and 2-3 pairs can be arranged. The pulleys 4 are located at 1/4, 3/4 of the transport boat 3, respectively. The middle part of the wheel of the pulley 4 is provided with a groove which is just embedded on the guide rail 1 and keeps free sliding.
Wherein the length of the D-shaped pipe is equal to the length of a hearth-the length of a furnace plug multiplied by 2; the two ends of the tubular hearth are respectively provided with 1 plug in length, so that the D-shaped pipe is just positioned in the middle of the hearth, and the distance between the two ends of the D-shaped pipe and the two ends of the furnace mouth is respectively 1 plug in length; the furnace plugs are arranged at the two open ends of the hearth, so that the maintenance and the installation are facilitated. The length design can lead the difference between the position of the whole guide rail close to the furnace mouth and the furnace mouth to be 1 furnace plug length, thus being convenient for determining the crystallization position and calculating the crystallization temperature.
The embodiment of the utility model discloses a terraced warm brazier business turn over material device for crystallization performance test. Under the high-temperature state of the plate glass crystallization performance test, the device is used for placing or taking out a crystallization sample, so that the instability of holding and placing the sample by using a platinum clamp is avoided, the glass sample is not spilled, the balance of the glass melt is well controlled, and the accuracy of the test result is ensured. Meanwhile, the risk of the falling of the boat body is reduced, the integrity of the crystallization spline is ensured, and the safety of the experiment is also improved. If the similar conveying device of the conveying boat 3 is made of cast iron, the platinum poisoning damage is caused by the contact of platinum with the cast iron at high temperature, so that the device cannot realize the platinum boat as a sample carrier. Whole device adopt the corundum board, can not cause the pollution to the platinum material when being able to withstand to live high temperature low temperature and assault, and not only be limited to the carrier of platinum material, be suitable for equally to other materials.
The utility model discloses a use:
when the furnace reaches the test temperature, the furnace door is opened, the conveying boat 3 is pulled out from the furnace mouth end of the D-shaped pipe 2, the conveying boat 3 slides to the furnace mouth on the guide rail 1 through the pulley 4, and the clamp 5 clamps the wheel of the pulley 4 to prevent the conveying boat 3 from sliding and derailing.
The platinum boat containing the test sample is placed into the conveying boat 3, then the conveying boat 3 is pushed into the temperature gradient furnace, and the conveying boat 3 slides into the temperature gradient furnace through the pulley 4.
Finally, one end close to the furnace mouth direction is flush with the end of the D-shaped pipe 2 close to the furnace mouth direction, and the furnace door is closed.
The sample incubation was started.
After the heat preservation is finished, the conveying boat 3 is pulled out through the guide rail 1, and the platinum boat is clamped out.
The utility model discloses in, it is more stable, convenient to put into the process of taking out, and is safe moreover, can avoid the loss of crystallization sample to and the damage of platinum boat and sample strip.
To sum up, the utility model relates to a terraced warm brazier business turn over material device for crystallization performance test, including "D" venturi tube that has the guide rail, transport boat and the pulley that can round trip movement on the guide rail. The D-shaped pipe with the guide rail is a base. The conveying boat is clamped on the pulley, and the small boat can freely slide on the guide rail under the driving of the pulley. The device is adopted to realize the feeding and discharging operation in the crystallization performance testing process, so that the stable conveying of the sample at high temperature can be ensured, and the crystallization loss and the pollution of a hearth caused by the spilled sample are avoided; meanwhile, the danger of burning caused by dropping at high temperature is reduced. In a word, the test is accurate and the safety and the convenience of feeding and discharging operations are improved.
The above embodiments are only used to illustrate the technical solution of the present invention and not to limit the same, although the present invention is described in detail with reference to the above embodiments, those skilled in the art can still modify or equally replace the specific embodiments of the present invention, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention is within the protection scope of the claims of the present invention.
Claims (10)
1. A kind of charging and discharging device of the temperature gradient furnace used for testing crystallization performance, characterized by that, including: a D-shaped pipe (2), a guide rail (1) and a conveying boat (3);
the D-shaped pipe (2) comprises a flat plate and an arc-shaped plate, and the flat plate is fixedly connected with the arc-shaped plate; the arc-shaped plate is used for being matched with a cylindrical hearth of the step-temperature furnace;
the guide rail (1) is fixedly arranged on the flat plate, and the conveying boat (3) is movably arranged on the guide rail (1); the conveying boat (3) is used for conveying a platinum boat for containing samples; the guide rail (1) is provided with a limiting device for preventing the conveying boat (3) from sliding off the rail;
the end surface of one end of the D-shaped pipe (2) close to the furnace opening is flush with the end surface of one end of the guide rail (1) close to the furnace opening.
2. The feeding and discharging device of the step temperature furnace for testing the crystallization performance as claimed in claim 1, wherein the guide rail (1) is a double-row parallel guide rail; the axis of the guide rail (1) is parallel to the axis of the D-shaped pipe (2).
3. The feeding and discharging device of the temperature gradient furnace for testing crystallization performance as claimed in claim 2, wherein the two rows of parallel guide rails comprise two rows of parallel rails, and the interval between the two rows of parallel rails is 3-5 cm.
4. The furnace temperature ladder feeding and discharging device for the crystallization performance test according to claim 1, wherein the limiting device is a clamp (5);
the clip (5) is arranged at one end of the guide rail (1) close to the furnace mouth.
5. The temperature gradient furnace feeding and discharging device for the crystallization performance test is characterized in that the horizontal section of the conveying boat (3) is rectangular, the length of the rectangle is 32-38 cm, and the width of the rectangle is 6-8 cm.
6. The furnace charging and discharging device for the crystallization performance test of claim 1, wherein the conveying boat (3) is formed by welding corundum plates.
7. The furnace charging and discharging device for the crystallization performance test according to claim 1, wherein moving wheels are arranged on two sides of the conveying boat (3) for moving the conveying boat (3) on the guide rail (1).
8. The furnace charging and discharging device for crystallization performance test as claimed in claim 7, wherein the moving wheel is a pulley (4); the pulley (4) is provided with a groove and is used for being matched with the guide rail (1).
9. The feeding and discharging device of the temperature gradient furnace for the crystallization performance test as claimed in claim 7, wherein the number of the moving wheels is 2-3 pairs.
10. The furnace charging and discharging device for crystallization performance test as claimed in claim 1, wherein the length of the "D" shaped pipe (2) satisfies the following conditions:
L＝L1-2×L2，
wherein L is the length of the D-shaped pipe, L1Is the length of the furnace chamber, L2Is the plug length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921651523.7U CN211348021U (en) | 2019-09-29 | 2019-09-29 | A terraced temperature stove device of input or output material for crystallization performance test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921651523.7U CN211348021U (en) | 2019-09-29 | 2019-09-29 | A terraced temperature stove device of input or output material for crystallization performance test |
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| CN211348021U true CN211348021U (en) | 2020-08-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112919791A (en) * | 2021-03-31 | 2021-06-08 | 彩虹集团（邵阳）特种玻璃有限公司 | Device and method for efficiently screening microcrystalline glass microcrystallization scheme |
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2019
- 2019-09-29 CN CN201921651523.7U patent/CN211348021U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112919791A (en) * | 2021-03-31 | 2021-06-08 | 彩虹集团（邵阳）特种玻璃有限公司 | Device and method for efficiently screening microcrystalline glass microcrystallization scheme |
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