CN209989246U - Heating furnace for producing large-size glass products - Google Patents
Heating furnace for producing large-size glass products Download PDFInfo
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- CN209989246U CN209989246U CN201821804850.7U CN201821804850U CN209989246U CN 209989246 U CN209989246 U CN 209989246U CN 201821804850 U CN201821804850 U CN 201821804850U CN 209989246 U CN209989246 U CN 209989246U
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 232
- 239000011521 glass Substances 0.000 title claims abstract description 40
- 238000000137 annealing Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 description 5
- 238000002844 melting Methods 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000013003 hot bending Methods 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000007507 annealing of glass Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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Abstract
A heating furnace for producing large-size glass products has large specification, uniform temperature, complete functions and high yield and consists of a furnace body, a heating and annealing system and related accessory structures. The furnace body is characterized in that the length of the furnace body exceeds 10 meters, the width of the furnace body exceeds 3 meters, and the furnace body consists of two parallel furnace body cavities with the same specification and a top cover; the heating and annealing system consists of a heating pipe, a compensation heating pipe and a temperature controller, wherein the heating pipe and the compensation heating pipe are both arranged at the bottom of the furnace cover and are uniformly and parallelly arranged along the length direction of the furnace body. The heating pipe is divided into m paths and connected with m temperature controllers, the compensation heating pipe is divided into n paths and connected with n temperature controllers, and each temperature controller connected with the heating pipe is connected with a thermocouple and placed in parallel with the heating pipe to deepen the inside of the furnace chamber. The interval between the adjacent thermocouples is about 2.5 meters, wherein, half of the thermocouples are distributed at the near side along the length direction of the furnace body, and the other half of the thermocouples are uniformly distributed at the far side along the length direction of the furnace body and correspond to each other.
Description
Technical Field
The utility model relates to a glassware processing equipment, especially a heating furnace is used in production of big specification glassware.
Background
The decorative artistic glass product has both artistic, decorative and environment friendly properties and is widely used in household decoration industry. The specifications of the conventional glass product heating furnace on the market are mostly 4.0 meters long and 3.0 meters wide, and the maximum sizes of the produced hot-melt glass products are only as follows: the length is 3.5 meters and the width is 2.14 meters. As is known, no super-large-specification high-efficiency multifunctional heating furnace with the furnace body size length of more than 10 meters and the width of more than 3 meters is produced at present, and the successful development and utilization of the large-specification glass product heating furnace are still blank mainly because the uniformity of the temperature in the furnace of the large-specification glass product heating furnace is difficult to control, the temperature rise system is difficult to control, and the yield of products is low.
SUMMERY OF THE UTILITY MODEL
In order to meet the market requirement, the utility model provides a high-efficient multi-functional heating furnace of super large specification that the specification is big, the temperature is equal, the function is complete, the productivity is high.
The utility model provides a heating furnace for producing glass products, which comprises a furnace body, a heating annealing system and related auxiliary structures, wherein the furnace body comprises two parallel furnace body cavities with the same specification and a top cover, and is characterized in that the size length of the furnace body cavity exceeds 10 meters, and the width of the furnace body cavity exceeds 3 meters; heating annealing system is by the heating pipe, compensation heating pipe and temperature controller constitute, the heating pipe, the length of compensation heating pipe is less than furnace body width 0.5 m, the specification is the same, the quantity is the same, the two is all installed in the top cap bottom, perpendicular with furnace body chamber length direction, adjacent heating pipe installation interval 10 centimeters, the heating pipe is located compensation heating pipe lower part one deck, the two installation direction is opposite, the heating pipe that heaies up divide into m way, link to each other with m temperature controller, the compensation heating pipe divide into n way, link to each other with n temperature controller, the temperature controller that links to each other with the heating pipe is installed near top cap upper portion, the temperature controller that links to each other with the compensation heating pipe is installed on the top cap upper portion distal side, every temperature controller that links to each other with the heating pipe that heaies up. The interval between adjacent thermocouples is 2.5 meters, wherein, half of the thermocouples are distributed at the near side, and the other half of the thermocouples are distributed at the far side and correspond to each other.
Compared with the scheme, as a preferred scheme 1, each path of the heating pipes has x heating pipes, the 1 st, the m +1 th, the 2m +1 st and the 2m +1 … … th xm-m +1 th heating pipes are connected into a first path of heating pipes, the 2 nd, the m +2 th, the 2m +2 … … th xm-m +2 th heating pipes are connected into a second path of heating pipes, the rest is done in sequence to form an mth path of heating pipes, the mth path of heating pipes uniformly start a temperature controller connected with the mth path of heating pipes in stages according to process requirements to reach preset temperature, and a corresponding control switch is automatically powered off; the 1 st, 2 nd, 3 rd 3 … … th xm/n root is connected into a first path of compensation heating pipe, the xm/n +1 th, xm/n +2 th, xm/n +3 … … nd, 2xm/n root is connected into a second path of compensation heating pipe, and so on, to the nth path of compensation heating pipe, according to thermocouple monitoring, the temperature controller displays the area which does not reach the process required temperature after the temperature rise is finished, the temperature controller connected with the compensation heating pipe is opened in sections, after the temperature is heated to the preset temperature, the compensation heating control switch is automatically powered off, and the path of compensation heating pipe is not heated any more.
Compared with the two schemes, as a preferred scheme 2, the m paths of heating pipes are uniformly started in stages according to the process requirements, a first batch of heating pipes close to 1/3, which are uniformly distributed at intervals, is started at first, and when the monitored temperature of the thermocouple reaches a preset temperature, the first batch of heating pipes close to 1/3 is automatically powered off; then, a second batch of nearly 1/3 heating pipes which are uniformly distributed at intervals are started, and when the monitoring temperature of the galvanic couple reaches the preset temperature, the second batch of nearly 1/3 heating pipes are automatically powered off; and finally, starting the rest heating pipes, and automatically powering off the third batch of heating pipes when the thermocouple monitoring temperature reaches the preset temperature.
Compared with the main scheme and the preferred scheme 1, as a preferred scheme 3, the heating-up heating pipe and the compensation heating pipe are shared, a change-over switch is arranged, and in the compensation heating stage, n paths of compensation heating pipes are connected with n temperature controllers connected with near-side thermocouples.
Compared with the preferred scheme 2, as a preferred scheme 4, the heating-up heating pipe and the compensation heating pipe are shared, a change-over switch is arranged, and in the compensation heating stage, n paths of compensation heating pipes are connected with n temperature controllers connected with near-side thermocouples.
Compared with the main scheme and the preferred scheme 1, as the preferred scheme 5, the furnace body cavity is 13.9 meters long and 4.46 meters wide, the heating tube is 4 meters long, the thermocouple is 1 meter long, m is 10, n is 5, and x is 13.
Compared with the preferred embodiment 2, as the preferred embodiment 6, the length of the furnace body cavity is 13.9 meters, the width is 4.46 meters, the length of the heating tube is 4 meters, the length of the thermocouple is 1 meter, m is 10, n is 5, and x is 13.
Compared with the preferred embodiment 3, as the preferred embodiment 7, the length of the furnace body cavity is 13.9 meters, the width is 4.46 meters, the length of the heating tube is 4 meters, the length of the thermocouple is 1 meter, m is 10, n is 5, and x is 13.
Compared with the preferred embodiment 4, as the preferred embodiment 8, the length of the furnace body cavity is 13.9 meters, the width is 4.46 meters, the length of the heating tube is 4 meters, the length of the thermocouple is 1 meter, m is 10, n is 5, and x is 13.
Compared with the main scheme and the preferred scheme 1, as a preferred scheme 9, the top cover is driven by the related auxiliary structure to move up and down and is used on two furnace body cavities.
The utility model has the advantages that large-size glass products can be processed, a plurality of temperature controllers are added, the temperature of a plurality of areas in the furnace is monitored, a set of compensation heating control system is added, when the temperature rise heating is completed, the local compensation heating is carried out on the area with lower temperature in the furnace, so that the large-size glass product plate surface in the furnace is uniformly heated, the large-size glass product plate surface is not easy to crack, and the yield is high; the heating furnace is of a one-to-two structure consisting of two furnace body cavities and a top cover, the furnace bodies work circularly, the utilization efficiency of equipment is high, and the manufacturing cost is low; the process parameter changes of different glass product types are realized by controlling the temperature change and the time of the heating pipe, and the application range is wide.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the structure of the top cover at the near side of the heating stage;
fig. 3 is a schematic view of the distal configuration of the cap during the compensation heating phase.
In the figure: 1. the furnace comprises a top cover 2, a furnace body cavity 3, a heating pipe 4, a compensating heating pipe 5, a thermocouple 6, a relevant accessory mechanism 7, a temperature controller 8, a first path of heating pipe 9, a second path of heating pipe 10, an mth path of heating pipe 11, a first path of compensating heating pipe 12, and an nth path of compensating heating pipe
Detailed Description
An ultra-large-specification efficient multifunctional heating furnace for producing glass products comprises a furnace body, a heating and annealing system and a related accessory structure 6. The furnace body is composed of two parallel furnace body cavities 2 with the same specification and a top cover 1, and the length of a single furnace body cavity 2 is 13.9 meters, and the width is 4.46 meters. The heating and annealing system consists of a heating and heating pipe 3, a compensation heating pipe 4 and a temperature controller 7, wherein the heating and heating pipe 3 and the compensation heating pipe 4 are shared, the length of the heating and heating pipe is 4 meters, the heating and annealing system is installed at the bottom of the top cover 1, the installation interval of the adjacent heating pipes is about 10 centimeters, the adjacent heating pipes are perpendicular to the length direction of the furnace body, and 130 heating pipes are installed. The heating pipe 3 is divided into 10 paths and connected with 10 temperature controllers 7, the 10 temperature controllers 7 are all installed on the near side of the upper part of the top cover 1, and each temperature controller 7 is connected with a thermocouple 5 and is placed in parallel with the heating pipe 3 to deepen the inner part of the furnace chamber. Wherein, 5 thermocouples are evenly distributed on the near side along the length direction of the furnace body, and the other 5 thermocouples are evenly distributed on the far side along the length direction of the furnace body and correspond to each other. Is used for measuring the temperature of ten areas in the furnace body. The compensating heating pipe 4 is divided into 5 paths and is connected with 5 temperature controllers 7 connected with near-side thermocouples.
In the heating stage, 13 heating pipes, namely the 1 st heating pipe, the 11 th heating pipe, the 21 st heating pipe, the 31 st heating pipe, the 41 st heating pipe, the 51 st heating pipe, the 61 st heating pipe, the 71 th heating pipe, the 81 st heating pipe, the 91 st heating pipe, the 101 st heating pipe, the 111 th heating pipe and the 121 st heating pipe are connected into a first heating pipe path 8 which is connected with a first temperature controller; 13 heating pipes 2, 12, 22, 32, 42, 52, 62, 72, 82, 92, 102, 112 and 122 are connected to form a second path of heating pipes 9, connected to a second temperature controller, and so on to form a third path of heating pipes 10, which are connected to corresponding heating control switches. Firstly, 1, 5 and 8 heating pipes are started, after the temperature is raised to 280 ℃, the 1, 5 and 8 heating pipes are automatically powered off, then 2, 6 and 10 heating pipes are started, and after the temperature is raised to 480 ℃, the 2, 6 and 10 heating pipes are automatically powered off; and finally, starting the heating pipes of 3, 4, 7 and 9 paths, powering off the heating pipes of 3, 4, 7 and 9 paths after heating to the temperature required by the product process, and then starting the compensation heating system. In the compensation heating stage, the 130 heating pipes are divided into 5 paths, 26 heating pipes in each path are connected into a first path of compensation heating pipe (11) which is connected with a first compensation heating control switch, wherein the 26 heating pipes in each path are the 1 st, the 2 nd, the 3 rd, the 4 th, the 5 th, the 6 th, the 7 th, the 8 th, the 9 th, the 10 th, the 11 th, the 12 th, the 13 th, the 14 th, the 15 th, the 16 th, the 17 th, the 18 th, the 19 th, the 20 th, the 21 st, the 22 th, the 23 th, the 24 th, the 25 th and the 26 th heating pipes; 26 heating pipes, namely 27 th, 28 th, 29 th, 30 th, 31 th, 32 th, 33 th, 34 th, 35 th, 36 th, 37 th, 38 th, 39 th, 40 th, 41 th, 42 th, 43 th, 44 th, 45 th, 46 th, 47 th, 48 th, 49 th, 50 th, 51 th and 52 th, are connected into a second path of compensation heating pipes and connected with a second compensation heating control switch; and analogizing in sequence, connecting a third path of compensation heating pipe, a fourth path of compensation heating pipe and a fifth path of compensation heating pipe 12, respectively connecting corresponding temperature controllers 7, and starting the compensation heating control switches in sections in areas where the temperature controllers 7 do not reach the temperature required by the process, wherein after the temperature controllers 7 are heated to the preset temperature, the compensation heating control switches are automatically powered off, and the compensation heating pipes are not heated any more. Through the sectional temperature compensation heating, the uniformity of the temperature of the furnace body can be well ensured despite the large volume of the furnace body. And after all the areas reach the temperature required by the process, annealing is started, the temperature is naturally reduced by utilizing the self heat preservation function of the furnace body, the top cover 1 is lifted when the temperature in the furnace reaches or approaches 70-80 ℃, the top cover is moved away from the furnace body cavity 2 after the temperature in the furnace is reduced to the room temperature, the glass is taken out of the furnace after being completely cooled to the room temperature, and the glass product is lifted away from the heating furnace and placed on a glass product rack.
The top cover 1 is driven by the related auxiliary structure 6 to ascend and descend and is used on the two furnace body cavities 2, so that the production of one furnace body cavity 2 can be realized, the production of the other furnace body cavity is prepared, the two furnace body cavities work circularly, and the working system of one top cover is shared.
The heating furnace can realize multiple purposes, and the heating temperature and the heating time of the heating pipe are controlled according to the following process parameters:
the heating furnace is used as a hot melting furnace, and the production and processing technology is as follows: quartz sand, ceramic fiber paper (board) and other moulds are used for processing and manufacturing moulds, and plate glass is cut, edged, cleaned and dried. Putting the mixture on a die of a hot melting furnace, heating, forming, annealing and cooling to obtain a finished product. The highest heating temperature is about 650 ℃, and the finished product is discharged after annealing and cooling.
The heating furnace is used as a hot bending furnace: the production and processing process flow is similar to the production process of hot-melt glass, the highest heating temperature is generally lower than the temperature of hot-bent glass and generally not more than 600 ℃, and the hot-bent glass is annealed and cooled to be taken as a finished product and discharged from a furnace.
The heating furnace is used as an annealing kiln: as the annealing furnace, because the heating furnace has the heating and temperature compensation functions, glass is put into the furnace body, and the temperature compensation digital display control instrument is started according to the temperature in the furnace, so that the glass plate surface is uniformly heated, the rationality of stress is ensured, and the explosion cracking is prevented.
When the cast glass and the ceramic glass are produced, the heating furnace can meet the production conditions of high-temperature melting, molding and heat treatment.
The heating furnace can be used for producing hot-bending glass, hot-melting glass, casting glass, ceramic glass, glazing glass, firing crystal products, firing colored glaze, manufacturing glass annealing furnaces and other glass processing annealing equipment by controlling process parameters.
Claims (10)
1. A heating furnace for producing glass products comprises a furnace body, a heating annealing system and a related accessory structure (6), wherein the furnace body comprises two parallel furnace body cavities (2) with the same specification and a top cover (1), and is characterized in that the furnace body cavities (2) have the size and the length of more than 10 meters and the width of more than 3 meters; the heating and annealing system consists of a heating and heating pipe (3), a compensating heating pipe (4) and temperature controllers (7), the heating and heating pipe (3) and the compensating heating pipe (4) are shorter than the furnace body width by 0.5 m, the specifications are the same, the quantity is the same, the heating and heating pipe and the compensating heating pipe are both arranged at the bottom of a top cover (1), the heating and heating pipe is vertical to the length direction of a furnace body cavity (2), the installation interval between the adjacent heating pipes is 10 cm, the heating and heating pipe (3) is positioned at one layer of the lower part of the compensating heating pipe (4), the installation directions of the heating and heating pipe and the compensating heating pipe are opposite, the heating and heating pipe (3) is divided into m paths, the compensating heating pipe (4) is divided into n paths, the compensating heating pipe and the temperature controllers (7) are connected, the temperature controllers (7) connected with the heating and heating pipe are arranged at the near side of the upper part of the top cover (1), the temperature controllers (7) connected, the thermocouple is arranged in parallel with the heating pipe (3) and is deeply inserted into the furnace chamber, the interval between adjacent thermocouples (5) is 2.5 meters, wherein one half of the thermocouples (5) are distributed at the near side, and the other half of thermocouples (5) are distributed at the far side and correspond to each other.
2. The heating furnace for producing the glass product according to claim 1, wherein x heating pipes (3) are connected to form a first heating pipe (8) in each path, and the 1 st, m +1 st, 2m +1 st 1 … … th, m-m +1 st heating pipes are connected to form a second heating pipe (9) in each path, and the 2 nd, m +2 nd, 2m +2 … … th, m-m +2 nd heating pipes are connected to form an m-th heating pipe (10), and the m-th heating pipes are connected to open the temperature controllers (7) connected to the m-th heating pipes in stages according to the process requirements; when the preset temperature is reached, the corresponding control switch is automatically powered off; the 1 st, the 2 nd, the 3 rd 3 … … xm/n root is connected into the first way compensation heating pipe (11), xm/n +1 th, xm/n +2 th, xm/n +3 … … 2 nd 2xm/n root is connected into the second way compensation heating pipe, and so on, connect into nth way compensation heating pipe (12), according to thermocouple monitoring, no area that reaches the technology requirement temperature after the temperature-rising is finished is shown to the temperature controller, temperature controller (7) that links to each other with compensation heating pipe (4) is opened in sections, after heating to preset temperature, this way compensation heating control switch auto-power-off, this way compensation heating pipe no longer heats.
3. The heating furnace for producing the glass products according to claim 1 or 2, wherein the m heating tubes (3) are uniformly turned on in stages according to the process requirements, a first batch of heating tubes (3) close to 1/3, which are uniformly distributed, is turned on first, and when the thermocouple monitoring temperature reaches a preset temperature, the first batch of heating tubes (3) close to 1/3 is automatically powered off; and then, starting a second batch of nearly 1/3 heating pipes (3) which are uniformly distributed at intervals, automatically powering off the second batch of nearly 1/3 heating pipes (3) when the couple monitoring temperature reaches the preset temperature, and finally, starting the rest heating pipes (3), and automatically powering off the third batch of heating pipes (3) when the couple monitoring temperature reaches the preset temperature.
4. The heating furnace for producing glass products according to claim 1 or 2, characterized in that the heating and temperature raising tube (3) and the compensation heating tube (4) are shared, a change-over switch is provided, and in the compensation heating stage, n paths of compensation heating tubes (4) are connected with n temperature controllers (7) connected with the near side thermocouples (5).
5. The heating furnace for producing glass products according to claim 3, wherein the temperature-increasing heating tube (3) and the compensating heating tube (4) are shared, a change-over switch is provided, and in the compensating heating stage, n compensating heating tubes (4) are connected to n temperature controllers (7) connected to the near-side thermocouples (5).
6. The heating furnace for producing a glass product according to claim 1 or 2, wherein the furnace body cavity (2) has a length of 13.9 m and a width of 4.46 m, the heating tube has a length of 4 m, the thermocouple (5) has a length of 1 m, m is 10, n is 5, and x is 13.
7. The heating furnace for producing glass products according to claim 3, wherein the furnace body cavity (2) has a length of 13.9 m and a width of 4.46 m, the heating tube has a length of 4 m, the thermocouple (5) has a length of 1 m, m is 10, n is 5, and x is 13.
8. The heating furnace for producing glass products according to claim 4, wherein the furnace body cavity (2) has a length of 13.9 m and a width of 4.46 m, the heating tube has a length of 4 m, the thermocouple (5) has a length of 1 m, m is 10, n is 5, and x is 13.
9. The heating furnace for producing glass products according to claim 5, wherein the furnace body cavity (2) has a length of 13.9 m and a width of 4.46 m, the heating tube has a length of 4 m, the thermocouple (5) has a length of 1 m, m is 10, n is 5, and x is 13.
10. A heating furnace for the production of glass products according to claim 1 or 2, characterized in that said caps (1) are moved up and down by the relative auxiliary structures (6) and are used on two furnace chambers (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821804850.7U CN209989246U (en) | 2018-10-26 | 2018-10-26 | Heating furnace for producing large-size glass products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821804850.7U CN209989246U (en) | 2018-10-26 | 2018-10-26 | Heating furnace for producing large-size glass products |
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| Publication Number | Publication Date |
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| CN209989246U true CN209989246U (en) | 2020-01-24 |
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| CN201821804850.7U Expired - Fee Related CN209989246U (en) | 2018-10-26 | 2018-10-26 | Heating furnace for producing large-size glass products |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2772026C1 (en) * | 2021-10-19 | 2022-05-16 | Общество с ограниченной ответственностью "Технология и Оборудование для Стеклянных Структур" (ООО "ТОСС") | Method for manufacturing structural block from glasses of different compositions and device for its implementation |
-
2018
- 2018-10-26 CN CN201821804850.7U patent/CN209989246U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2772026C1 (en) * | 2021-10-19 | 2022-05-16 | Общество с ограниченной ответственностью "Технология и Оборудование для Стеклянных Структур" (ООО "ТОСС") | Method for manufacturing structural block from glasses of different compositions and device for its implementation |
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