CN210287133U - Box precision annealing stove of air cycle - Google Patents
Box precision annealing stove of air cycle Download PDFInfo
- Publication number
- CN210287133U CN210287133U CN201921031104.3U CN201921031104U CN210287133U CN 210287133 U CN210287133 U CN 210287133U CN 201921031104 U CN201921031104 U CN 201921031104U CN 210287133 U CN210287133 U CN 210287133U
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- furnace
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- air
- door
- fan
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- 238000000137 annealing Methods 0.000 title claims abstract description 24
- 238000002791 soaking Methods 0.000 claims abstract description 23
- 238000003825 pressing Methods 0.000 claims abstract description 14
- 238000005485 electric heating Methods 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 239000011449 brick Substances 0.000 claims description 4
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 4
- 239000000378 calcium silicate Substances 0.000 claims description 4
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 3
- 239000002055 nanoplate Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 17
- 239000005304 optical glass Substances 0.000 abstract description 6
- 238000005299 abrasion Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009423 ventilation Methods 0.000 description 3
- 239000002657 fibrous material Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000007507 annealing of glass Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model discloses an air circulation box type precision annealing furnace, which comprises a furnace shell, wherein the front end of the furnace shell is connected with a furnace door through a double hinge and is fixed through a pressing hand wheel, and a soaking cover is arranged in the furnace shell; the rear end of the furnace shell is provided with a circulating fan and a fresh air fan, the fresh air fan is connected with an air inlet hole at the rear end of the furnace shell through an air inlet pipe, the air inlet pipe is provided with an electric ball valve, and the upper end of the furnace shell is provided with a throttle device; compared with the prior art, the beneficial effects of the utility model are that: the rotation angle between the furnace door and the furnace shell can be finely adjusted through the double hinges, so that the furnace door and the furnace shell are tightly matched, and the abrasion is reduced; simultaneously under the work cooperation of circulating fan, new trend fan and electric ball valve, can control the fresh air volume that lets in the furnace body, and then make the temperature in the furnace body realize descending fast to can control the temperature in cooling speed and the stove in the later stage of the cooling stage in the stove, make optical glass's annealing quality obtain guaranteeing.
Description
Technical Field
The utility model relates to an optical glass precision annealing technical field specifically is a box precision annealing stove of air cycle.
Background
Along with the development of laser equipment in China, the application technology of optical glass is mature day by day, an annealing furnace is necessary equipment required in the production process of the optical glass, at present, a high-precision annealing furnace in the market is blank in China, and basically imported equipment is adopted for precision annealing; in the existing box type annealing furnace (including import equipment), when the heating power is zero, the temperature in the furnace is about 150 ℃, at the moment, the cooling speed cannot be controlled, the temperature can only be cooled by natural cooling, and after the furnace door is used for a period of time, the hinge part is worn, so that the furnace door is not closed tightly, hot air in the furnace leaks outwards, the uniformity of the furnace temperature is changed greatly, and the technical requirement of optical glass fine annealing cannot be met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a box precision annealing of air cycle to solve the problem that proposes in the above-mentioned background art.
The technical scheme of the utility model is realized like this: an air circulation box type precision annealing furnace comprises a furnace shell, wherein a furnace door is arranged at the front end of the furnace shell, one side of the furnace door is connected with the furnace shell through a double hinge, the rotation angle of the double hinge can be finely adjusted, so that the furnace door can be better attached to the furnace shell, a layer of soft fiber material is further pasted on the contact surface of the furnace door and the furnace shell, the sealing property can be enhanced after the furnace door is closed, and the furnace door is fixedly connected with the furnace shell through a pressing hand wheel;
the inner wall of the furnace shell is provided with a heat preservation layer, and the furnace shell is also internally provided with a soaking cover, so that heat is quickly conducted through the stainless steel soaking cover when the electric heating wire is heated by the soaking cover, and all parts in the furnace are heated more uniformly when glass is annealed; the two sides of the front end of the soaking cover are provided with ventilation holes, the rear end of the soaking cover is provided with a ventilation opening, and an electric heating wire is arranged in the soaking cover body; in the temperature rising stage and the constant temperature stage of the work of the annealing furnace, the temperature in the annealing furnace is adjusted by controlling the work of the electric heating wire;
the upper end of the furnace shell is provided with an air door device, the air door device comprises an electric actuator, the electric actuator is connected with an air door through a transmission rod, and the air door is arranged in a heat dissipation port formed in the upper end of the furnace shell; the electric actuator can be a motor, and the air door is driven to rotate to open and close at the heat dissipation opening through the transmission rod; when the furnace temperature is 60 ℃, the air door device can be automatically opened, so that the cooling speed in the furnace body is accelerated;
the rear end of the furnace shell is provided with a through hole, a circulating fan is arranged in the through hole and is used for driving air in the furnace cavity to circularly flow, a fresh air fan is arranged on the rear wall of the furnace shell at the upper end of the circulating fan and is connected with air inlet holes through air inlet pipes, the air inlet holes are formed in four corner positions of the rear wall of the furnace shell, and electric ball valves are further arranged on the air inlet pipes; in the cooling stage, the temperature is controlled by reducing the power of the electric heating wire in the early stage of cooling, and in the later stage of cooling, the power of the electric heating wire is reduced to zero, and then the fresh air fan is controlled to work, and the electric ball valve is controlled to adjust the air inlet quantity to carry out forced cooling; the circulating fan is used for uniformly scattering the fresh air blown into the furnace body from the air inlet hole, so that the introduced fresh air is fully mixed with the hot air in the furnace, and the uniformity of the temperature of the furnace is ensured;
the inside temperature sensor that still is provided with the high accuracy of stove outer covering, temperature sensor and external control ware electric connection, external control ware still with circulating fan, new trend fan, electric heating wire, electric actuator and electric ball valve electric connection.
Preferably, the blades of the circulating fan are inserted into the furnace shell, the motor of the circulating fan is positioned outside the furnace shell, the lower end of the circulating fan is provided with a first base, and the first base is connected with the furnace shell; the second base is installed to the lower extreme of new trend fan, the second base is connected with the stove outer covering, has guaranteed circulating fan and new trend fan installation stability on the stove outer covering.
Preferably, the heat-insulating layer comprises a refractory brick, a ceramic fiber plate, a calcium silicate plate and a nano plate which are sequentially arranged from inside to outside, so that the heat-insulating layer has high heat-insulating and heat-resisting properties.
Preferably, the number of the pressing hand wheels is four, and the four pressing hand wheels are respectively arranged at four corner positions of the furnace door, so that the furnace door can be firmly installed on the furnace shell through the four pressing hand wheels.
Preferably, the lower end of the furnace shell is provided with a base, so that the lower end of the furnace shell is stably supported.
Compared with the prior art, the beneficial effects of the utility model are that: the furnace door and the furnace shell are connected through the double hinges and fixed through the pressing hand wheel, so that the furnace door and the furnace shell can be tightly matched, and abrasion is reduced;
the soaking cover is arranged in the furnace shell, the circulating fan and the fresh air fan are arranged at the rear end of the furnace shell, the fresh air fan is connected with an air inlet hole at the rear end of the furnace shell through an air inlet pipe, an electric ball valve is further arranged on the air inlet pipe, and an air door device is further arranged at the upper end of the furnace shell; under the work cooperation of circulating fan, new trend fan and electric ball valve, can control the new trend flow that lets in the furnace body, and then make the temperature in the furnace body realize descending fast to can control the temperature in cooling speed and the stove in the later stage of the cooling stage in the stove, make optical glass's annealing quality obtain guaranteeing.
Drawings
FIG. 1 is a side view of the present invention;
fig. 2 is a front view of the present invention;
fig. 3 is a sectional view of the front view structure of the present invention;
fig. 4 is a rear view of the present invention;
fig. 5 is a cross-sectional view of the heat-insulating layer structure of the present invention.
In the figure: 1. the furnace comprises a furnace shell, 101, a heat dissipation opening, 102, a through hole, 103, an air inlet hole, 2, a furnace door, 3, a pressing hand wheel, 4, a heat preservation layer, 41, refractory bricks, 42, a ceramic fiber board, 43, a calcium silicate board, 44, a nano board, 5, a soaking cover, 501, an air hole, 502, an air vent, 6, an electric heating wire, 7, an air door device, 71, an electric actuator, 72, a transmission rod, 73, an air door, 8, a circulating fan, 81, a first base, 9, a fresh air fan, 91, a second base, 92, an electric ball valve, 10, an air inlet pipe, 11 and a base.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: an air circulation box type precision annealing furnace comprises a furnace shell 1, wherein a base 11 is arranged at the lower end of the furnace shell 1, so that the lower end of the furnace shell 1 is stably supported; the front end of the furnace shell 1 is provided with a furnace door 2, one side of the furnace door 2 is connected with the furnace shell 1 through a double hinge, the rotation angle of the double hinge can be finely adjusted, so that the furnace door 2 can be better attached to the furnace shell 1, a layer of soft fiber material is also pasted on the contact surface of the furnace door 2 and the furnace shell 1, the sealing property can be enhanced after the furnace door 2 is closed, and the furnace door 2 is fixedly connected with the furnace shell 1 through a pressing hand wheel 3; the number of the pressing hand wheels 3 is four, and the pressing hand wheels 3 are respectively arranged at four corner positions of the furnace door 2, so that the furnace door 2 can be firmly installed on the furnace shell 1 through the four pressing hand wheels 3.
The inner wall of the furnace shell 1 is provided with an insulating layer 4, and the insulating layer 4 comprises a refractory brick 41, a ceramic fiber plate 42, a calcium silicate plate 43 and a nano plate 44 which are sequentially arranged from inside to outside, so that the insulating layer 4 has high heat-insulating and heat-resisting properties; still be provided with soaking cover 5 in the stove outer covering 1, the heat can be through 5 quick heat-conduction of stainless steel soaking cover when 5 soaking covers 5 make electric heating wire 6 heat, and it is more even to be heated everywhere in the stove when making glass annealing, ventilation hole 501 has been seted up to the front end both sides of soaking cover 5, vent 502 has been seted up to the rear end of soaking cover 5, soaking cover 5 covers the internal electric heating wire 6 that is provided with, and in the intensification stage and the constant temperature stage of annealing stove work, the temperature in the annealing stove is adjusted through the work of control electric heating wire 6.
The upper end of the furnace shell 1 is provided with an air door device 7, the air door device 7 comprises an electric actuator 71, the electric actuator 71 is connected with an air door 73 through a transmission rod 72, and the air door 73 is arranged in a heat dissipation opening 101 formed in the upper end of the furnace shell 1; the electric actuator 71 can be a motor, and drives the air door 73 to rotate and open at the heat dissipation opening 101 through the transmission rod 72; when the temperature of the furnace is 60 ℃, the air door device 7 can be automatically opened, and the cooling speed in the furnace body is accelerated.
The rear end of the furnace shell 1 is provided with a through hole 102, a circulating fan 8 is arranged in the through hole 102, the circulating fan 8 is used for driving air in a furnace cavity to circularly flow, blades of the circulating fan 8 are inserted into the furnace shell 1, a motor of the circulating fan 8 is positioned outside the furnace shell 1, the lower end of the circulating fan 8 is provided with a first base 81, and the first base 81 is connected with the furnace shell 1; a fresh air fan 9 is arranged on the rear wall of the furnace shell 1 at the upper end of the circulating fan 8, a second base 91 is arranged at the lower end of the fresh air fan 9, the second base 91 is connected with the furnace shell 1, the fresh air fan 9 is connected with an air inlet hole 103 through an air inlet pipe 10, the air inlet hole 103 is arranged at four corner positions of the rear wall of the furnace shell 1, and an electric ball valve 92 is further arranged on the air inlet pipe 10; in the cooling stage, the temperature is controlled by reducing the power of the electric heating wire 6 in the early stage of cooling, in the later stage of cooling, the power of the electric heating wire 6 is reduced to zero, then the fresh air fan 9 is controlled to work, and the electric ball valve 92 is controlled to adjust the air inlet quantity to forcibly cool; the circulating fan 8 is used for uniformly scattering the fresh air blown into the furnace body from the air inlet hole 103, ensuring that the introduced fresh air is fully mixed with the hot air in the furnace, and ensuring the uniformity of the temperature of the furnace.
The furnace shell 1 is also internally provided with a high-precision temperature sensor which is electrically connected with an external controller, and the external controller is also electrically connected with the circulating fan 8, the fresh air fan 9, the electric heating wire 6, the electric actuator 71 and the electric ball valve 92 to realize the control function of the electric actuator.
The working principle is as follows: when the utility model is used, the temperature in the furnace is raised by controlling the work of the electric heating wire 6 in the temperature rising stage and the constant temperature stage, the temperature is controlled by reducing the power of the electric heating wire 6 in the early stage of cooling in the temperature lowering stage, the power of the electric heating wire 6 is reduced to zero in the later stage of cooling, then the new air fan 9 is controlled to work, and the electric ball valve 92 is controlled to adjust the air inlet amount to forcibly cool; the circulating fan 8 is used for scattering the fresh air blown into the furnace body from the air inlet hole 103 uniformly, ensuring that the introduced fresh air is fully mixed with the hot air in the furnace, and ensuring the uniformity of the temperature of the furnace; fresh air enters the furnace body through the air inlet hole 103, flows in the area between the soaking cover 5 and the furnace shell 1 after being dispersed by air flow generated by the circulating fan 8, finally enters the soaking cover 5 through the air vent 501 at the front end of the soaking cover 5, flows from front to back in the soaking cover 5, and finally is discharged out of the furnace body from the air vent 502 and the through hole 102.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a box precision annealing stove of air cycle, includes stove outer covering (1), its characterized in that: the front end of the furnace shell (1) is provided with a furnace door (2), one side of the furnace door (2) is connected with the furnace shell (1) through a double hinge, and the furnace door (2) is fixedly connected with the furnace shell (1) through a pressing hand wheel (3);
the inner wall of the furnace shell (1) is provided with a heat insulation layer (4), the furnace shell (1) is also internally provided with a soaking cover (5), both sides of the front end of the soaking cover (5) are provided with vent holes (501), the rear end of the soaking cover (5) is provided with a vent hole (502), and the cover body of the soaking cover (5) is internally provided with an electric heating wire (6);
an air door device (7) is arranged at the upper end of the furnace shell (1), the air door device (7) comprises an electric actuator (71), the electric actuator (71) is connected with an air door (73) through a transmission rod (72), and the air door (73) is arranged in a heat dissipation port (101) formed at the upper end of the furnace shell (1);
the rear end of the furnace shell (1) is provided with a through hole (102), a circulating fan (8) is arranged in the through hole (102), the circulating fan (9) is arranged on the rear wall of the furnace shell (1) at the upper end of the circulating fan (8), the fresh air fan (9) is connected with an air inlet hole (103) through an air inlet pipe (10), the air inlet hole (103) is arranged at four corner positions of the rear wall of the furnace shell (1), and an electric ball valve (92) is further arranged on the air inlet pipe (10).
2. The air-circulating box-type precision annealing furnace according to claim 1, characterized in that: the blade of the circulating fan (8) is inserted into the furnace shell (1), the motor of the circulating fan (8) is positioned outside the furnace shell (1), the lower end of the circulating fan (8) is provided with a first base (81), and the first base (81) is connected with the furnace shell (1); the lower end of the fresh air fan (9) is provided with a second base (91), and the second base (91) is connected with the furnace shell (1).
3. The air-circulating box-type precision annealing furnace according to claim 1, characterized in that: the heat-insulating layer (4) comprises a refractory brick (41), a ceramic fiber plate (42), a calcium silicate plate (43) and a nano plate (44) which are sequentially arranged from inside to outside.
4. The air-circulating box-type precision annealing furnace according to claim 1, characterized in that: the number of the pressing hand wheels (3) is four, and the four pressing hand wheels (3) are respectively arranged at four corner positions of the furnace door (2).
5. The air-circulating box-type precision annealing furnace according to claim 1, characterized in that: the lower end of the furnace shell (1) is provided with a base (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921031104.3U CN210287133U (en) | 2019-07-04 | 2019-07-04 | Box precision annealing stove of air cycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921031104.3U CN210287133U (en) | 2019-07-04 | 2019-07-04 | Box precision annealing stove of air cycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210287133U true CN210287133U (en) | 2020-04-10 |
Family
ID=70100391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921031104.3U Expired - Fee Related CN210287133U (en) | 2019-07-04 | 2019-07-04 | Box precision annealing stove of air cycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210287133U (en) |
-
2019
- 2019-07-04 CN CN201921031104.3U patent/CN210287133U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An air circulation box type precision annealing furnace Effective date of registration: 20200904 Granted publication date: 20200410 Pledgee: Shengjing Bank Co.,Ltd. Benxi Shengli Road sub branch Pledgor: BENXI HETENG TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2020210000048 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220719 Granted publication date: 20200410 Pledgee: Shengjing Bank Co.,Ltd. Benxi Shengli Road sub branch Pledgor: BENXI HETENG TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2020210000048 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200410 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |