CN113371978A - Glass fiber raw material smelting furnace and using method thereof - Google Patents
Glass fiber raw material smelting furnace and using method thereof Download PDFInfo
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- CN113371978A CN113371978A CN202110612982.XA CN202110612982A CN113371978A CN 113371978 A CN113371978 A CN 113371978A CN 202110612982 A CN202110612982 A CN 202110612982A CN 113371978 A CN113371978 A CN 113371978A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B3/00—Charging the melting furnaces
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
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- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Glass Melting And Manufacturing (AREA)
Abstract
The invention relates to the technical field of glass fiber production, in particular to a glass fiber raw material smelting furnace which comprises a feeding cylinder, wherein the feeding cylinder is used for introducing glass raw materials into the glass smelting furnace, a feeding device is arranged in the feeding cylinder, the feeding device comprises a rotatable feeding rotary cylinder arranged in the feeding cylinder, auxiliary blocks fixedly connected with the inner wall of the feeding cylinder are arranged on two sides of the feeding rotary cylinder, and the inner side surfaces of the auxiliary blocks are attached to the outer side surfaces of the feeding rotary cylinder; the device also provides a using method of the glass fiber raw material smelting furnace, most of heat can be effectively prevented from overflowing and dissipating by matching with the device, and hot air exhausted along with the storage tank is pumped back by utilizing a negative pressure pipeline, so that heat loss is further prevented, the device is energy-saving and environment-friendly, the cost is saved, and the working environment and the working safety are ensured.
Description
Technical Field
The invention relates to the technical field of glass fiber production, in particular to a glass fiber raw material smelting furnace and a using method thereof.
Background
The glass melting technology can be divided into an electric heating melting technology and an oil gas combustion heating melting technology, and compared with the oil gas combustion heating melting technology, the glass melting furnace adopted by the electric heating melting technology has the advantages of small volume, stable performance, high reliability and flexible production, and is the most advanced glass melting technology at present.
At present, glass smelting pot is direct switch furnace gate add glass raw materials when reinforced basically, cause the interior space of stove to communicate with external environment directly like this, perhaps reinforced time at every turn is shorter, still there is a considerable part heat to spill over along with the air, successive accumulation, long-pending long-term, the heat of spilling over the consumption will be very much, cause a large amount of energy extravagant, and the heat change in the stove can lead to the fact certain influence to the processing in the smelting pot, also can form certain hidden danger to workman's safety simultaneously, cause the influence to the surrounding environment, especially can make the environment hotter when summer, be unfavorable for workman's work, when winter, the heat exchange can be more violent, lose more heat. And once the glass melting furnace is started to operate, the glass melting furnace cannot be easily closed, so that the continuous heat consumption causes great waste to energy, does not accord with the environmental protection principle, and is not beneficial to saving the cost.
Disclosure of Invention
In order to solve the problems, the invention provides a glass fiber raw material smelting furnace.
The technical scheme adopted by the invention for solving the technical problems is as follows: a glass fiber raw material smelting furnace comprises a feeding cylinder for introducing glass raw materials into the glass smelting furnace, wherein a feeding device is arranged in the feeding cylinder, the feeding device comprises a rotatable feeding rotary drum arranged in the feeding cylinder, auxiliary blocks fixedly connected with the inner wall of the feeding cylinder are arranged on two sides of the feeding rotary drum, the inner side surfaces of the auxiliary blocks are attached to the outer side surfaces of the feeding rotary drum, the space in the feeding cylinder is divided into a feeding cavity and a discharging cavity by the feeding device, a negative pressure pipeline connected to the discharging cavity is further arranged on each auxiliary block, each negative pressure pipeline is provided with a negative pressure fan and a one-way valve, and the flow direction of gas in each one-way valve is from the auxiliary block to the discharging cavity;
the feeding rotary drum comprises a first rotary block and a second rotary block, the first rotary block is connected with the second rotary block through a rotary shaft, a storage trough is formed between the first rotary block and the second rotary block, and the storage trough comprises a first storage trough and a second storage trough.
Preferably, the auxiliary block comprises an arc surface attached to the feeding rotary drum and an inclined surface positioned in the feeding cavity, and the negative pressure pipeline penetrates through the auxiliary block and is connected to the arc surface of the auxiliary block.
Preferably, a cooling cavity is arranged in the feeding rotary drum, a water inlet and a water outlet are respectively arranged at two ends of the rotary shaft, and the cooling cavity is communicated with the water inlet and the water outlet.
As optimization, the cooling cavity comprises an inner cavity, a first water cavity and a second water cavity, and the first water cavity is connected with the second water cavity through a plurality of cooling water holes.
Preferably, the cooling water hole is located on the outer side of the inner cavity, and the first water cavity and the second water cavity are respectively located on the two tops of the inner cavity.
Preferably, a gear is arranged on the outer circumference of the rotating shaft, and a motor is connected with the gear.
Preferably, the first rotating block and the second rotating block are both in a fan-shaped columnar structure, the first rotating block and the second rotating block have the same rotating axis, the fan-shaped angles of the first rotating block and the second rotating block are both alpha, the angles of the first storage tank and the second storage tank are both beta, and alpha is larger than or equal to beta.
And optimally, the fan-shaped angle alpha of the first rotating block and the second rotating block is pi/2-13 pi/12.
Preferably, the auxiliary block connected with the negative pressure pipeline is further provided with an air pressure sensor, and the air pressure sensor is used for air pressure on the inner side of the auxiliary block.
The invention also provides a use method of the glass fiber raw material smelting furnace, which comprises the following steps:
a. the glass raw materials enter the feeding cavity and then enter the first storage tank, and the glass raw materials at the edge part enter the first storage tank under the flow guidance of the inclined surface;
b. rotating the feeding rotary drum by 90 degrees to wait for the heat recovery in the second storage tank;
c. the feeding rotary drum rotates by 90 degrees, the glass raw materials are poured into the discharging cavity and then enter the glass melting furnace below the feeding drum, hot air is filled in the first storage tank, and at the moment, a new round of glass raw materials in the second storage tank are completely loaded;
d. the feeding rotary drum is rotated by 90 degrees, the first stock chest full of hot air is rotated to the auxiliary block position of connecting the negative pressure pipeline, the feeding rotary drum stop rotating this moment, a relatively sealed space is formed between first stock chest and the auxiliary block, the baroceptor detects that atmospheric pressure rises to a and then tends to steadily, opens negative pressure positive blower, siphons away the hot air in this space and arranges to arrange the intracavity, and the function is satisfied in this space atmospheric pressure along with time variation:
wherein: y is air pressure, t is time, and a is an initial value of the air pressure in the relatively sealed space;
e. when the air pressure sensor detects that the air pressure is smaller than the preset threshold value, the feeding rotary drum rotates for 90 degrees to reset, and the work is repeated.
The beneficial effect of this scheme is: this device utilizes the feeding rotary drum to separate the interior outer space of glass smelting pot and has guaranteed that most heat does not spill over the dissipation to utilize negative pressure pipeline will take out along with the exhaust hot-air of storage silo back, further prevent the heat loss, energy-concerving and environment-protective practices thrift the cost, has guaranteed operational environment and work safety. In addition, when glass of the glass fiber is prepared, the melting temperature is required to be very high, and the glass contains more high-corrosivity elements, and the corrosivity of the high-corrosivity elements is stronger at a high temperature of over 1000 ℃, so that the feeding rotary drum of the device is provided with a water-cooled cooling cavity, the feeding rotary drum can effectively and automatically cool, the surface temperature of the feeding rotary drum is prevented from being too high, the corrosion of glass raw materials to the feeding rotary drum is effectively reduced, and the reliability of the device is improved.
Drawings
FIG. 1 is a schematic isometric view of the present invention.
FIG. 2 is a left side view of the present invention.
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 at the state of step a according to the present invention.
Fig. 4 is a perspective view of the present invention shown in fig. 3.
FIG. 5 is a schematic cross-sectional view taken along line A-A of FIG. 2 at the state of step b according to the present invention.
Fig. 6 is a perspective view of the present invention shown in fig. 5.
FIG. 7 is a schematic isometric view of a feed drum according to the present invention.
FIG. 8 is a schematic view of the internal structure of the feed drum of the present invention.
FIG. 9 is a schematic view of the interior of the feed drum of the present invention in cross-section.
FIG. 10 is a schematic internal cross-sectional view of a feed drum of the present invention.
FIG. 11 is a schematic view showing the function of the change of the air pressure in the relatively sealed space formed in step d of the present invention with time.
The feeding device comprises a feeding barrel 1, a feeding barrel 2, a feeding device 3, a feeding rotary drum 4, an auxiliary block 5, a feeding cavity 6, a discharging cavity 7, a negative pressure pipeline 8, a negative pressure fan 9, a one-way valve 10, a first rotary block 11, a second rotary block 12, a rotary shaft 13, a first storage tank 14, a second storage tank 15, an arc surface 16, an inclined surface 17, a cooling cavity 18, a water inlet 19, a water outlet 20, an inner cavity 21, a first water cavity 22, a second water cavity 23, a cooling water hole 24, a gear 25, a motor 26 and an air pressure sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the embodiment shown in fig. 1, a glass fiber raw material melting furnace comprises a feeding cylinder 1 for introducing glass raw materials into the glass melting furnace, a feeding device 2 is arranged in the feeding cylinder 1, the feeding device 2 comprises a feeding rotary drum 3 which is arranged in the feeding cylinder 1 in a rotatable manner, auxiliary blocks 4 which are fixedly connected with the inner wall of the feeding cylinder 1 are arranged on two sides of the feeding rotary drum 3, the inner side surface of each auxiliary block 4 is attached to the outer side surface of the feeding rotary drum 3, the space in the feeding cylinder 1 is divided into a feeding cavity 5 and a discharging cavity 6 by the feeding device 2, a negative pressure pipeline 7 which is connected to the discharging cavity 6 is further arranged on each auxiliary block 4, a negative pressure fan 8 and a one-way valve 9 are arranged on each negative pressure pipeline 7, and the gas in the one-way valve 9 flows from the auxiliary blocks 4 to the discharging cavity 6; the feeding rotary drum 3 comprises a first rotary block 10 and a second rotary block 11, the first rotary block 10 is connected with the second rotary block 11 through a rotary shaft 12, a storage tank is formed between the first rotary block 10 and the second rotary block 11, and the storage tank comprises a first storage tank 13 and a second storage tank 14.
The auxiliary block 4 comprises an arc surface 15 attached to the feeding rotary drum 3 and an inclined surface 16 located in the feeding cavity 5, and the average distance between the auxiliary block 4 and the arc surface is smaller than 1.5mm, so that a relatively sealed space can be formed between the auxiliary block and the rotary drum after the feeding rotary drum rotates, the rotary drum cannot be completely sealed, and a certain air pressure balance can be formed between the feeding cavity and the discharging cavity. The negative pressure pipeline 7 penetrates through the auxiliary block 4 and is connected to the arc surface 15 of the auxiliary block 4.
The feeding rotary drum 3 is internally provided with a cooling cavity 17, the two ends of the rotary shaft 12 are respectively provided with a water inlet 18 and a water outlet 19, the cooling cavity 17 is communicated with the water inlet 18 and the water outlet 19, the outer sides of the water inlet 18 and the water outlet 19 are both connected with an external water pipe through a rotary sealing mechanism, and the rotary sealing mechanism is in the prior art. The cooling cavity 17 comprises an inner cavity 20, a first water cavity 21 and a second water cavity 22, and the first water cavity 21 and the second water cavity 22 are connected through a plurality of cooling water holes 23. The cooling water hole 23 is located at the outer side of the inner cavity 20, and the first water cavity 21 and the second water cavity 22 are respectively located at the two tops of the inner cavity 20. A gear 24 is provided on the outer circumference of the rotary shaft 12, and a motor 25 is connected to the gear 24.
The first rotating block 10 and the second rotating block 11 are both in a fan-shaped columnar structure, the first rotating block 10 and the second rotating block 11 have the same rotating axis, the fan-shaped angles of the first rotating block 10 and the second rotating block 11 are both alpha, the angles of the first material storage tank 13 and the second material storage tank 14 are both beta, alpha is larger than or equal to beta, a relatively sealed space can be formed between the feeding rotary drum and the auxiliary block, and a certain allowance is provided for the rotation of the feeding rotary drum. The fan-shaped angle alpha of the first rotating block 10 and the second rotating block 11 is pi/2-13 pi/12, alpha needs to be larger than pi/2, otherwise, a relatively sealed space cannot be formed, but alpha cannot be too large, for example, alpha is larger than 13 pi/12, so that the quantity of glass raw materials transferred each time is too small, and the production and processing efficiency is influenced.
The auxiliary block 4 connected with the negative pressure pipeline 7 is also provided with an air pressure sensor 26, the air pressure sensor 26 is used for the air pressure inside the auxiliary block 4, when the air pressure is reduced, the hot air is drawn back and recovered, and when the air pressure changes along with time during drawing back, the function is satisfied
It is indicated that the relatively sealed space that can be formed between the feed drum and the auxiliary block is satisfactory, that heat is not lost too much, and that no problems arise with the feed drum, the auxiliary block, the negative pressure fan, etc.
In order to enable the negative pressure fan and the feeding rotary drum to be matched with each other and enable the air pressure sensor to return parameters for analysis, the device is further provided with a processing chip, such as a 51 single chip microcomputer or an ARM series sensor, other auxiliary equipment for enabling the device to normally operate is well known in the prior art, and details are not repeated.
A use method of a glass fiber raw material smelting furnace comprises the following steps:
a. the glass raw materials enter the feeding cavity 5 and then enter the first storage tank 13, and the glass raw materials at the edge part enter the first storage tank 13 under the flow guidance of the inclined surface 16;
b. the feeding rotary drum 3 rotates by 90 degrees to wait for the heat recovery in the second storage tank 14;
c. the feeding rotary drum 3 rotates by 90 degrees, the glass raw materials are poured into the discharging cavity 6 and then enter the glass melting furnace below the feeding drum 1, hot air is filled in the first storage tank 13, and at the moment, the loading of a new round of glass raw materials in the second storage tank 14 is finished;
d. feeding rotary drum 3 is rotatory 90 degrees, and the first stock chest 13 that is full of hot-air is rotatory to the auxiliary block 4 position of connecting negative pressure pipeline 7, and feeding rotary drum 3 stall this moment, forms a relatively sealed space between first stock chest 13 and auxiliary block 4, and baroceptor 26 detects that atmospheric pressure tends to steadily after rising to a, opens negative-pressure air fan 8, siphons away the hot-air in this space and arranges to the blowdown chamber 6 in, and this space internal gas pressure changes with time and satisfies the function:
wherein: y is air pressure, t is time, and a is an initial value of the air pressure in the relatively sealed space;
e. when the air pressure sensor 26 detects that the air pressure is less than the preset threshold value, the feeding rotary drum 3 is rotated for 90 degrees to reset, and the work is repeated.
The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the product form and style of the above embodiments, and any glass fiber raw material melting furnace and its using method according to the claims of the present invention and any suitable changes or modifications thereof by those skilled in the art should fall within the protection scope of the present invention.
Claims (10)
1. A glass fiber raw material melting furnace, characterized in that: the glass melting furnace comprises a feeding cylinder for introducing glass raw materials into a glass melting furnace, wherein a feeding device is arranged in the feeding cylinder, the feeding device comprises a rotatable feeding rotary drum arranged in the feeding cylinder, auxiliary blocks fixedly connected with the inner wall of the feeding cylinder are arranged on two sides of the feeding rotary drum, the inner side surface of each auxiliary block is attached to the outer side surface of the feeding rotary drum, the space in the feeding cylinder is divided into a feeding cavity and a discharging cavity by the feeding device, a negative pressure pipeline connected to the discharging cavity is further arranged on each auxiliary block, the negative pressure pipeline is provided with a negative pressure fan and a one-way valve, and the flow direction of gas in the one-way valve is from the auxiliary blocks to the discharging cavity;
the feeding rotary drum comprises a first rotary block and a second rotary block, the first rotary block is connected with the second rotary block through a rotary shaft, a storage trough is formed between the first rotary block and the second rotary block, and the storage trough comprises a first storage trough and a second storage trough.
2. A glass fiber feedstock melter as set forth in claim 1 in which: the auxiliary block comprises an arc surface attached to the feeding rotary drum and an inclined surface positioned in the feeding cavity, and the negative pressure pipeline penetrates through the arc surface of the auxiliary block and is connected to the auxiliary block.
3. A glass fiber feedstock melter as set forth in claim 1 in which: the feeding rotary drum is internally provided with a cooling cavity, the two ends of the rotary shaft are respectively provided with a water inlet and a water outlet, and the cooling cavity is communicated with the water inlet and the water outlet.
4. A glass fiber feedstock melting furnace as set forth in claim 3, wherein: the cooling cavity comprises an inner cavity, a first water cavity and a second water cavity, and the first water cavity is connected with the second water cavity through a plurality of cooling water holes.
5. A glass fiber raw material melting furnace according to claim 4, characterized in that: the cooling water hole is positioned at the outer side of the inner cavity, and the first water cavity and the second water cavity are respectively positioned at the two tops of the inner cavity.
6. A glass fiber raw material melting furnace according to claim 5, characterized in that: a gear is arranged on the periphery of the outer side of the rotating shaft, and a motor is connected with the gear.
7. A glass fiber feedstock melter as set forth in claim 2 in which: the first rotating block and the second rotating block are both in a fan-shaped columnar structure, the first rotating block and the second rotating block are provided with the same rotating axis, the fan-shaped angles of the first rotating block and the second rotating block are both alpha, the angles of the first storage tank and the second storage tank are both beta, and alpha is larger than or equal to beta.
8. A glass fiber feedstock melter as set forth in claim 7 in which: the fan-shaped angle alpha of the first rotating block and the second rotating block is pi/2-13 pi/12.
9. A glass fiber feedstock melter as set forth in claim 2 in which: the auxiliary block connected with the negative pressure pipeline is also provided with an air pressure sensor, and the air pressure sensor is used for assisting the air pressure at the inner side of the block.
10. A method for using a glass fiber raw material smelting furnace is characterized in that: the method comprises the following steps:
a. the glass raw materials enter the feeding cavity and then enter the first storage tank, and the glass raw materials at the edge part enter the first storage tank under the flow guidance of the inclined surface;
b. rotating the feeding rotary drum by 90 degrees to wait for the heat recovery in the second storage tank;
c. the feeding rotary drum rotates by 90 degrees, the glass raw materials are poured into the discharging cavity and then enter the glass melting furnace below the feeding drum, hot air is filled in the first storage tank, and at the moment, a new round of glass raw materials in the second storage tank are completely loaded;
d. the feeding rotary drum is rotated by 90 degrees, the first stock chest full of hot air is rotated to the auxiliary block position of connecting the negative pressure pipeline, the feeding rotary drum stop rotating this moment, a relatively sealed space is formed between first stock chest and the auxiliary block, the baroceptor detects that atmospheric pressure rises to a and then tends to steadily, opens negative pressure positive blower, siphons away the hot air in this space and arranges to arrange the intracavity, and the function is satisfied in this space atmospheric pressure along with time variation:
(a>0)；
wherein: y is air pressure, t is time, and a is an initial value of the air pressure in the relatively sealed space;
e. when the air pressure sensor detects that the air pressure is smaller than the preset threshold value, the feeding rotary drum rotates for 90 degrees to reset, and the work is repeated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110612982.XA CN113371978B (en) | 2021-06-02 | 2021-06-02 | Glass fiber raw material smelting furnace and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110612982.XA CN113371978B (en) | 2021-06-02 | 2021-06-02 | Glass fiber raw material smelting furnace and using method thereof |
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| CN113371978A true CN113371978A (en) | 2021-09-10 |
| CN113371978B CN113371978B (en) | 2023-02-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115107107A (en) * | 2022-07-01 | 2022-09-27 | 江华贵得科技有限公司 | Feeding clamp for FPC (flexible printed circuit) disc |
| CN117023948A (en) * | 2023-08-22 | 2023-11-10 | 青岛融合光电科技有限公司 | Closed glass melting furnace |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4226564A (en) * | 1977-05-24 | 1980-10-07 | Asahi Glass Company, Limited | Apparatus for feeding glass batch materials into a glass melting furnace |
| CN101659507A (en) * | 2008-08-25 | 2010-03-03 | 京东方科技集团股份有限公司 | Feeding device of glass melting furnace |
| CN109987822A (en) * | 2019-04-27 | 2019-07-09 | 山东光普太阳能工程有限公司 | A kind of low consumption thermal cycle glass processing kiln |
| CN210399996U (en) * | 2019-06-04 | 2020-04-24 | 赣州市豪鹏科技有限公司 | Feeding device for lithium recovery sintering furnace |
-
2021
- 2021-06-02 CN CN202110612982.XA patent/CN113371978B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4226564A (en) * | 1977-05-24 | 1980-10-07 | Asahi Glass Company, Limited | Apparatus for feeding glass batch materials into a glass melting furnace |
| CN101659507A (en) * | 2008-08-25 | 2010-03-03 | 京东方科技集团股份有限公司 | Feeding device of glass melting furnace |
| CN109987822A (en) * | 2019-04-27 | 2019-07-09 | 山东光普太阳能工程有限公司 | A kind of low consumption thermal cycle glass processing kiln |
| CN210399996U (en) * | 2019-06-04 | 2020-04-24 | 赣州市豪鹏科技有限公司 | Feeding device for lithium recovery sintering furnace |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115107107A (en) * | 2022-07-01 | 2022-09-27 | 江华贵得科技有限公司 | Feeding clamp for FPC (flexible printed circuit) disc |
| CN117023948A (en) * | 2023-08-22 | 2023-11-10 | 青岛融合光电科技有限公司 | Closed glass melting furnace |
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| CN113371978B (en) | 2023-02-21 |
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