CN214781479U - Annealing furnace for producing glass products - Google Patents
Annealing furnace for producing glass products Download PDFInfo
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- CN214781479U CN214781479U CN202121085084.5U CN202121085084U CN214781479U CN 214781479 U CN214781479 U CN 214781479U CN 202121085084 U CN202121085084 U CN 202121085084U CN 214781479 U CN214781479 U CN 214781479U
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Abstract
The application relates to an annealing furnace for producing glass products, which comprises a rack and a furnace body arranged on the rack, wherein an inlet and an outlet are respectively formed at two ends of the furnace body, a heating component for heating the temperature in the furnace body is arranged on the inner wall of the furnace body close to the inlet, the heating component is in communication connection with a detection component, and the detection component is used for controlling the heating component; and the furnace body is provided with a circulating assembly, and the circulating assembly is used for conveying hot air at the outlet to an inner cavity of the furnace body close to the inlet. The present application has the effect of reducing the cost required for the annealing process.
Description
Technical Field
The application relates to the field of glass production equipment, in particular to an annealing furnace for producing glass products.
Background
Annealing is a metal heat treatment process, which refers to slowly heating metal to a certain temperature, keeping for a sufficient time, and then cooling at a suitable speed; the purpose is to reduce hardness and improve machinability; the residual stress is reduced, the size is stabilized, and the deformation and crack tendency is reduced; refining grains, adjusting the structure and eliminating the structure defects.
When the glass product is produced, the preliminarily molded glass product is conveyed into an annealing furnace, the temperature in the annealing furnace is required to be maintained within a preset temperature range, the glass product can be ensured to finish the annealing process, and after the glass product is finished with the annealing process, the glass product is output from the other side of the annealing furnace and leaves the inside of the annealing furnace, so that the annealing of the glass product can be finished.
In view of the above-described related art, the inventors have considered that, since it is necessary to maintain the temperature in the annealing furnace within a predetermined range, it is necessary to heat the inside of the annealing furnace with a large amount of energy consumption, thereby increasing the cost of the annealing process.
SUMMERY OF THE UTILITY MODEL
To reduce the cost required for the annealing process, the present application provides an annealing furnace for producing glass articles.
The annealing furnace for producing the glass products adopts the following technical scheme:
the annealing furnace for producing the glass products comprises a rack and a furnace body arranged on the rack, wherein an inlet and an outlet are respectively formed in two ends of the furnace body, a heating assembly for heating the temperature in the furnace body is arranged on the inner wall of the furnace body close to the inlet, the heating assembly is in communication connection with a detection assembly, and the detection assembly is used for controlling the heating assembly; and the furnace body is provided with a circulating assembly, and the circulating assembly is used for conveying hot air at the outlet to an inner cavity of the furnace body close to the inlet.
By adopting the technical scheme, the heating assembly is arranged to maintain the temperature of the furnace body within a preset temperature range, the detection assembly acquires the real-time temperature in the furnace body, and if the temperature in the furnace body exceeds the preset temperature range, the heating assembly is controlled to heat the furnace body, so that the temperature in the furnace body is maintained; because the temperature in the furnace body is higher, when the air temperature of the glass product moving to the outlet is still higher than the air outside the furnace body, the circulating assembly is arranged to convey the high-temperature air at the outlet to the inner cavity close to the inlet in the furnace body, so that the temperature difference between the air newly entering the furnace body and the original air in the furnace body is reduced, and the energy required by the heating assembly is reduced.
Optionally, the detection assembly comprises an installation rod arranged on the inner wall of the furnace body and a temperature sensor arranged at one end, far away from the inner wall of the furnace body, of the installation rod, the temperature sensor is in communication connection with a comparison module, and the comparison module is in communication connection with the heating assembly.
By adopting the technical scheme, the temperature sensor is arranged in the cavity of the furnace body by arranging the mounting rod, so that the temperature of the middle part of the inner cavity of the furnace body can be conveniently obtained, and the accuracy of obtaining the temperature in the furnace body is improved; the real-time temperature in the temperature sensor or the furnace body is sent to the comparison module; the comparison module receives the real-time temperature in the furnace body and compares the real-time temperature with a preset temperature range; if the real-time temperature in the furnace body exceeds the preset temperature range, the heating temperature of the heating assembly to the furnace body is adjusted to force the temperature in the furnace body to be restored to the preset temperature range, so that the over-high or over-low temperature in the annealing furnace is avoided.
Optionally, the heating assembly comprises a heating element arranged on the inner wall of the furnace body and a control switch arranged at the control end of the heating element, and the control switch is in communication connection with the comparison module.
Through adopting above-mentioned technical scheme, the back is switched on to the heating member, keeps off the number by the temperature of control switch control heating member to realize the regulation of the internal problem of furnace.
Optionally, the circulation assembly comprises an air return box arranged on the side wall of the furnace body close to one end of the outlet and an air return pipe arranged on one side of the air return box, an air suction mechanism is arranged on the air return pipe, and a first air outlet pipe communicated with a cavity in the middle section of the furnace body is arranged on the peripheral wall of the air return pipe.
Through adopting above-mentioned technical scheme, the mechanism that induced drafts inhales the return air case with the high temperature air that flows to the exit in the furnace body in, then discharges the middle section cavity of furnace body with high temperature air circulation by first play tuber pipe to reduce the loss of heat in the furnace body.
Optionally, one side of the air return box, which is far away from the furnace body, is connected with a wind shield in a sliding manner, and the wind shield is provided with an adjusting piece for adjusting the fixed position of the wind shield.
By adopting the technical scheme, the discharging channel for the glass products to pass through is formed between the wind shield and the rack, and the fixed position of the wind shield is adjusted through the adjusting piece, so that the wind shield is convenient to adapt to the glass products with different heights.
Optionally, one end of the air return pipe, which is far away from the air return box, is provided with a second air outlet pipe, and one end of the second air outlet pipe, which is far away from the air return pipe, is communicated with an inner cavity of the furnace body, which is close to the inlet.
Through adopting above-mentioned technical scheme, reduce the difference in temperature of the air that newly gets into in the furnace body and the original air in the furnace body, improve the reutilization to high-temperature air to reduce the energy that heating element needs consumed.
Optionally, the inner wall of the furnace body is provided with a plurality of fans, and air outlets of the fans face the outlet of the furnace body.
Through adopting above-mentioned technical scheme, set up the flow of a plurality of fans acceleration furnace body internal air, can also increase the velocity of flow of hot-air in the return air pipe simultaneously to reduce the heat loss of hot-air in the return air pipe.
Optionally, an insulating layer is arranged on the outer wall of the return air pipe.
By adopting the technical scheme, the heat consumed when the hot air is circularly conveyed to the furnace body in the return air pipe is reduced.
In summary, the present application includes at least one of the following beneficial technical effects:
the circulating assembly is arranged to convey high-temperature air at the outlet to the inner cavity close to the inlet in the furnace body, so that the temperature difference between the air newly entering the furnace body and the original air in the furnace body is reduced, and the energy required by the heating assembly is reduced;
if the real-time temperature in the furnace body exceeds the preset temperature range, the temperature in the furnace body is forced to be restored to the preset temperature range by adjusting the heating temperature of the heating assembly to the furnace body;
the fans are arranged to accelerate the air flow in the furnace body, and meanwhile, the flow velocity of hot air in the air return pipe can be increased, so that the heat loss of the hot air in the air return pipe is avoided.
Drawings
FIG. 1 is a schematic view of the overall construction of an annealing lehr for the production of glass articles according to the present application;
FIG. 2 is a block diagram of the control principles of the sensing assembly and the heating assembly;
FIG. 3 is a schematic view of the internal structure of the furnace body;
FIG. 4 is a schematic view of the installation structure of the heating assembly and the detection assembly in the furnace body;
FIG. 5 is another view of the overall schematic structure of the lehr for the production of glass articles;
FIG. 6 is an enlarged schematic view of portion A of FIG. 5;
FIG. 7 is a schematic view of the entire structure of embodiment 2;
fig. 8 is a sectional view taken along line F-F in fig. 7.
Description of reference numerals: 1. a frame; 11. a conveyor belt; 2. a furnace body; 21. an inlet; 22. an outlet; 23. a fan; 3. a heating assembly; 31. a heating member; 32. a control switch; 4. a detection component; 41. mounting a rod; 42. a temperature sensor; 43. a comparison module; 5. a circulation component; 51. an air return box; 52. a return air duct; 53. an air suction mechanism; 54. a first air outlet pipe; 55. a wind deflector; 56. an adjustment member; 561. a support bar; 562. a hinged seat; 563. adjusting the bolt; 564. a screw hole; 57. a second air outlet pipe; 6. and (7) an insulating layer.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
The embodiment of the application discloses an annealing furnace for producing glass products.
Example 1;
referring to fig. 1 and 2, an annealing furnace for glass article production includes a frame 1 and a furnace body 2; the furnace body 2 is fixedly connected to the frame 1, and an inlet 21 and an outlet 22 are respectively arranged at two ends of the furnace body; the frame 1 is provided with a conveyor belt 11 for conveying glass products to be close to or far away from the furnace body 2, the furnace body 2 is respectively provided with a heating area, a heat preservation area and a normal temperature area from an inlet 21 to an outlet 22, and the temperature in the normal temperature area is still higher than the temperature of air outside the furnace body 2; a plurality of heating components 3 for heating the temperature of the heating zone in the furnace body 2 are arranged on the inner wall of one end of the furnace body 2 close to the inlet 21; the heating components 3 are symmetrically arranged on two sides of the conveying direction of the conveying belt and are distributed at equal intervals along the conveying direction; the inner wall of the heating area is also provided with a plurality of detection components 4 for acquiring the air temperature in the heating area in real time, and the detection components 4 are used for controlling the heating temperature of the heating components 3 in the furnace body 2; the detection assemblies 4 are all arranged above the conveying belt and are distributed at equal intervals along the conveying direction of the conveying belt; and one end of the furnace body 2 close to the outlet 22 is provided with a circulating component 5 for conveying hot air in the normal temperature zone to the heating zone and the heat preservation zone.
The plurality of detection components 4 and the plurality of heating components 3 can be installed in a single-control single-linkage corresponding manner or in a single-control double-linkage corresponding manner, and a single-control double-linkage manner is adopted in the embodiment;
referring to fig. 2 and 3, the heating assembly 3 includes a heating member 31 and a control switch 32; the detection assembly 4 comprises a mounting rod 41, a temperature sensor 42 and a comparison module 43; the heating element 31 is fixedly connected with the inner wall of the heating zone in the furnace body 2; the mounting rod 41 is vertically fixed on the inner wall of the heating zone; the heating member 31 may be a heating wire, a heater, or the like, and the heater is used in the present embodiment.
Control of the switch 32:
the signal output end is electrically connected with the control end of the heating element 31;
the signal input end is in communication connection with the signal input end of the comparison module 43;
for controlling the operating temperature of the heating member 31.
Temperature sensor 42:
the signal output end is in communication connection with the signal input end of the comparison module 43;
for obtaining the real-time temperature of the heating zone in the furnace body 2.
The comparison module 43:
is used for comparing the real-time temperature of the heating zone in the furnace body 2 with a preset temperature range; in this embodiment, the comparison module 43 employs a comparator.
Referring to fig. 2 and 4, in the present embodiment, one temperature sensor 42 corresponds to one comparison module 43, and one comparison module 43 corresponds to two control switches 32; it is also possible that one comparing module 43 corresponds to a plurality of temperature sensors 42 and a plurality of control switches 32.
Referring to fig. 1 and 3, the circulation assembly 5 includes a return air box 51, a return air pipe 52, a suction mechanism 53, and a first air outlet pipe 54; the air return box 51 is fixedly connected with the end surface of one end of the outlet 22 of the furnace body 2, the height in the vertical direction is greater than that of the furnace body 2, and the air return box 51 is communicated with the inner cavity of the furnace body 2; the air return pipe 52 is communicated with the air return box 51 and is fixedly connected to one side of the air return box 51 close to the inlet 21; the air suction mechanism 53 is fixedly connected to the air return pipe 52 and is used for increasing the pressure in the air return pipe 52 and facilitating the air in the air return box 51 to be sucked into the air return pipe 52; the first air outlet pipe 54 is fixedly connected to the outer peripheral wall of the air return pipe 52 and communicated with the inner cavity of the air return pipe 52; one end of the first air outlet pipe 54 far away from the air return pipe 52 is communicated with the cavity of the heat preservation area in the furnace body 2.
Referring to fig. 5, a wind shield 55 which is obliquely arranged is connected to the side wall of the air return box 51 away from the furnace body 2 in a sliding manner, and a discharging channel for allowing the glass product to pass is formed between the wind shield 55 and the conveyer belt; two adjusting pieces 56 for adjusting the height of the discharging channel in the vertical direction are arranged on the side edge of the wind shield 55 far away from the air return box 51; two adjusting pieces 56 are symmetrically fixed to both sides of the wind deflector 55.
Referring to fig. 5 and 6, the adjusting member 56 includes a support rod 561, a hinge seat 562, and an adjusting bolt 563; the supporting rod 561 is welded on the side of the wind shield 55, and one end of the supporting rod, which is far away from the wind shield 55, is rotatably connected with the hinge base 562; the adjusting bolt 563 can pass through the hinge seat 562 and be in threaded connection with the frame 1; one side of the frame 1 close to the furnace body 2 is provided with a plurality of screw holes 564 for the threaded connection of the adjusting bolts 563, and the plurality of screw holes 564 are equidistantly distributed along the conveying direction of the conveying belt.
Referring to fig. 3 and 4, a plurality of fans 23 are fixed on the inner wall of the furnace body 2 by bolts, the fans 23 are distributed at equal intervals along the conveying direction of the conveying belt, and one side of the air outlet faces to the outlet 22 of the furnace body 2.
The implementation principle of the embodiment 1 is as follows:
initial state: presetting the temperature range of a heating area in the furnace body 2, and acquiring the real-time temperature of an installation area by the temperature sensor 42 in real time;
obtaining the temperature: the temperature sensor 42 or the real-time temperature in the furnace body 2 is sent to the comparison module 43; the comparison module 43 receives the real-time temperature in the furnace body 2 and compares the real-time temperature with a preset temperature range;
controlling the temperature: if the real-time temperature of the heating zone in the furnace body 2 exceeds the preset temperature range, the comparison module 43 sends a temperature adjusting instruction to the control switch 32, and the control switch 32 adjusts the heating temperature of the heating element 31 according to the received temperature adjusting instruction, so that the temperature in the furnace body 2 is conveniently restored to the preset temperature range;
hot air circulation: the fan 23 is started to convey hot air in the furnace body 2 from the heating area to the heat preservation area, then to the normal temperature area, and the hot air in the normal temperature area is sequentially sucked into the air return box 51 and the air return pipe 52 by the air suction mechanism 53; finally, the hot air is circulated to the heat preservation area of the furnace body 2 through the first air return pipe 52, so that the temperature difference between the air newly entering the furnace body 2 and the air in the furnace body 2 is reduced, and unnecessary energy loss when the heating element 31 heats the interior of the furnace body 2 is reduced.
Example 2;
referring to fig. 7 and 8, the present embodiment is different from embodiment 1 in that a peripheral wall of one end of the air return pipe 52 far away from the air return box 51 is fixedly connected with a second air outlet pipe 57, and one end of the second air outlet pipe 57 far away from the air return pipe 52 is communicated with an inner cavity of a heating zone in the furnace body 2; the output end of the air suction mechanism 53 is arranged at the middle section of the air return pipe 52, and the mounting seat is fixed on the outer wall of the furnace body 2 through bolts.
The outer wall of the return air duct 52 is bonded with a heat insulation layer 6, and the heat insulation layer 6 can be heat insulation materials such as phenolic foam, ceramic fiber blanket and asbestos heat insulation felt; in this embodiment, the heat-insulating layer 6 is made of asbestos heat-insulating felt.
The implementation principle of the embodiment 2 is as follows: the temperature difference between the air newly entering the furnace body 2 and the original air in the furnace body 2 is reduced, the secondary utilization of high-temperature air is improved, and the heat preservation layer 6 can reduce the heat consumed when the hot air is circularly conveyed to the furnace body 2 in the return air pipe 52.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. An annealing furnace for producing glass articles, characterized in that: the heating furnace comprises a rack (1) and a furnace body (2) arranged on the rack (1), wherein an inlet (21) and an outlet (22) are respectively formed in two ends of the furnace body (2), a heating component (3) for heating the temperature in the furnace body (2) is arranged on the inner wall of the furnace body (2) close to the inlet (21), the heating component (3) is in communication connection with a detection component (4), and the detection component (4) is used for controlling the heating component (3); the furnace body (2) is provided with a circulating assembly (5), and the circulating assembly (5) is used for conveying hot air at the outlet (22) to an inner cavity of the furnace body (2) close to the inlet (21).
2. The lehr for glass article production according to claim 1, characterized in that: the detection assembly (4) comprises an installation rod (41) arranged on the inner wall of the furnace body (2) and a temperature sensor (42) arranged at one end, far away from the inner wall of the furnace body (2), of the installation rod (41), the temperature sensor (42) is in communication connection with a comparison module (43), and the comparison module (43) is in communication connection with the heating assembly (3).
3. The lehr for glass article production according to claim 2, characterized in that: heating element (3) including set up in heating member (31) of furnace body (2) inner wall and set up in control switch (32) of heating member (31) control end, control switch (32) are connected with comparison module (43) communication.
4. The lehr for glass article production according to claim 1, characterized in that: circulation subassembly (5) including set up in return-air case (51) that furnace body (2) are close to export (22) one end lateral wall and set up in return-air duct (52) of return-air case (51) one side, be provided with on return-air duct (52) and induced draft mechanism (53), return-air duct (52) perisporium is provided with first play tuber pipe (54) of intercommunication furnace body (2) middle section cavity.
5. The lehr for glass article production according to claim 4, characterized in that: one side of the air return box (51) far away from the furnace body (2) is connected with a wind shield (55) in a sliding manner, and an adjusting piece (56) for adjusting the fixed position of the wind shield (55) is arranged on the wind shield (55).
6. The lehr for glass article production according to claim 4, characterized in that: and one end of the air return pipe (52) far away from the air return box (51) is provided with a second air outlet pipe (57), and one end of the second air outlet pipe (57) far away from the air return pipe (52) is communicated with an inner cavity of the furnace body (2) close to the inlet (21).
7. The lehr for glass article production according to claim 6, characterized in that: the furnace body (2) inner wall is provided with a plurality of fans (23), the air outlet of fan (23) all faces furnace body (2) export (22).
8. The lehr for glass article production according to any of claims 4 or 6, characterized in that: and the outer wall of the air return pipe (52) is provided with an insulating layer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121085084.5U CN214781479U (en) | 2021-05-20 | 2021-05-20 | Annealing furnace for producing glass products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121085084.5U CN214781479U (en) | 2021-05-20 | 2021-05-20 | Annealing furnace for producing glass products |
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| Publication Number | Publication Date |
|---|---|
| CN214781479U true CN214781479U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121085084.5U Active CN214781479U (en) | 2021-05-20 | 2021-05-20 | Annealing furnace for producing glass products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214781479U (en) |
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2021
- 2021-05-20 CN CN202121085084.5U patent/CN214781479U/en active Active
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