CN112460981A - Oven door of oven capable of effectively preventing heat conduction and sealing and heat insulation method thereof - Google Patents
Oven door of oven capable of effectively preventing heat conduction and sealing and heat insulation method thereof Download PDFInfo
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- CN112460981A CN112460981A CN202011112782.XA CN202011112782A CN112460981A CN 112460981 A CN112460981 A CN 112460981A CN 202011112782 A CN202011112782 A CN 202011112782A CN 112460981 A CN112460981 A CN 112460981A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/008—Seals, locks, e.g. gas barriers or air curtains, for drying enclosures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/08—Parts thereof
- F26B25/12—Walls or sides; Doors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/18—Door frames; Doors, lids, removable covers
- F27D1/1858—Doors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention discloses an effective heat conduction preventing oven door of an oven and a sealing heat insulation method thereof, relates to the technical field of oven door heat insulation, and aims to solve the problem that the heat conduction between the oven door and the oven cannot be effectively blocked by the oven door of the existing oven, so that the heat efficiency is reduced. The inside of high temperature oven is fixed and is provided with the door frame, the preceding terminal surface of high temperature oven is provided with the furnace gate, the fixed mounting panel I that is provided with of preceding terminal surface of furnace gate, the rear end of mounting panel I is fixed and is provided with mounting panel II, the inside of mounting panel II and mounting panel I is all fixed and is provided with circular through-hole, the inside of circular through-hole is provided with observes the frame, the fixed constant head tank that is provided with of rear end face of furnace gate is adjacent be provided with the recess between the constant head tank, the inside of recess is provided with the seal receptacle, the inside.
Description
Technical Field
The invention relates to the technical field of furnace door heat insulation, in particular to an effective heat conduction preventing oven door and a sealing heat insulation method thereof.
Background
With the improvement of the forging heating process, the requirements of the heat treatment process are improved, particularly the products for aviation, aerospace and national defense (namely high alloy steel and titanium alloy steel) representing high technology and international advanced level are continuously increased and the quality is improved, and the requirements on heating furnace equipment are very high. The sintering furnace is a furnace which bonds solid particles at high temperature, enlarges crystal grains, gradually reduces gaps (air holes) and grain boundaries, shrinks the total volume and increases the density through the transmission of substances, and finally becomes a compact polycrystalline sintering body with a certain microstructure. The sintering process of a sintering furnace is generally divided into several stages, namely preheating, sintering and cooling. In order to fully ensure the temperature in the oven body, the sealing performance of the oven door must be ensured, and as the temperature in the oven body repeatedly changes and the change range is large, after the oven door is used for a long time, the oven door is easy to deform, so that a gap appears between the left oven door and the right oven door, the heat energy in the oven is dissipated to the outside, the energy waste is caused, and meanwhile, the temperature in the oven body is not easy to control.
The existing oven door can not effectively block the heat conduction between the oven door and the oven, which leads to the reduction of the heat efficiency; therefore, the existing requirements are not met, and an effective heat conduction preventing oven door and a sealing and heat insulating method thereof are provided for the requirements.
Disclosure of Invention
The invention aims to provide an oven door of an oven capable of effectively preventing heat conduction and a sealing and heat insulating method thereof, and aims to solve the problem that the heat efficiency is reduced because the heat conduction between the oven door and the oven cannot be effectively blocked by the existing oven door in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an effectively prevent heat conduction oven furnace gate, includes the high temperature oven, the inside of high temperature oven is fixed and is provided with the door frame, the preceding terminal surface of high temperature oven is provided with the furnace gate, the fixed mounting panel one that is provided with of preceding terminal surface of furnace gate, the rear end of mounting panel one is fixed and is provided with mounting panel two, the inside of mounting panel two and mounting panel one is all fixed and is provided with circular through-hole, the inside of circular through-hole is provided with observes the frame, the fixed constant head tank that is provided with of rear end face of furnace gate is adjacent be provided with the recess between the constant head tank, the inside of recess is provided with.
Preferably, one side of the first mounting plate is fixedly provided with a door handle, one side of the door frame is fixedly provided with two hinged supports, and the two hinged supports are rotatably connected with the furnace door through hinges.
Preferably, the observation frame passes through mounting hole and two fixed connection of mounting panel, and the mounting hole is provided with threely, the fixed screw rod that is provided with in rear end of mounting panel two, and the screw rod is provided with two, the rear end of mounting panel two is provided with mounting panel three, and three and screw rod threaded connection of mounting panel, the preceding terminal surface of mounting panel three is provided with the mounting groove, the inside of observing frame and mounting panel three all is provided with observes the through-hole, observe the fixed annular stopper that is provided with of inner wall of through-hole, and annular stopper is provided with two, two be provided with the quartz glass lens between the annular stopper.
Preferably, the corner of recess is provided with sealing joint, and sealing joint is provided with four, four sealing joint's inside all is provided with the screw hole, the inside screw thread of screw hole is provided with the perforation screw.
Preferably, the inside of seal receptacle and constant head tank all is provided with the locating hole, the seal receptacle passes through set screw and constant head tank fixed connection.
Preferably, an inner door plate is fixedly arranged on one side of the cavity, and an outer door plate is fixedly arranged on the other side of the cavity.
Preferably, the inside of cavity is provided with the filling layer of moisturizing, and the filling layer of moisturizing is provided with a plurality of, be provided with first intermediate lamella on the outer wall of filling layer one side of moisturizing, be provided with the second intermediate lamella on the outer wall of filling layer opposite side of moisturizing, it is adjacent through sealing strip sealing connection between the filling layer of moisturizing.
Preferably, the inside of door frame is fixed and is provided with the seal groove, the fixed joint spare that is provided with of rear end face of seal receptacle, the inside of joint spare is provided with the dovetail, the internal seal of dovetail is provided with the sealing strip.
Preferably, the outer wall of the outer door panel is provided with a heat insulation layer, and the outer wall of the inner door panel is provided with a heat insulation layer.
A sealing and heat insulating method for effectively preventing a heat conduction oven door comprises the following steps:
step 1: the moisture-preserving filling layer is arranged between the first middle plate and the second middle plate in a sealing mode, and then the first middle plate and the second middle plate are fixed inside the furnace door and between the inner door plate and the outer door plate;
step 2: mounting the first mounting plate, the second mounting plate and the third mounting plate in the furnace door, matching the observation frame with the circular through hole, and fixedly connecting the observation frame with the second mounting plate through the three mounting holes;
and step 3: installing a quartz glass lens between the two annular limiting blocks, then carrying out limiting fit on the mounting plate three-way pipe and the mounting plate two through the mounting groove, and fixing through the screw and the nut to complete installation of the observation through hole;
and 4, step 4: fixedly installing a sealing strip in a dovetail groove of a clamping piece, then fixedly installing a sealing seat in a groove, and then effectively positioning the sealing seat and a positioning groove through a positioning screw and a positioning hole;
and 5: the two adjacent sealing strips are connected in a sealing manner by using the sealing joint, and the sealing strips are more firmly fixed by matching the threaded holes with the seam-riding screws;
step 6: the door handle rotates the door, so that the sealing strip is effectively connected with the sealing groove in the door frame in a sealing manner.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the sealing structure, the sealing performance between the furnace door and the high-temperature oven is improved through the matching of the sealing groove and the sealing strips, a better heat insulation effect is achieved, the heat efficiency is ensured, the sealing strips are convenient to install through the arrangement of the groove, the sealing seat can be more firmly fixed in the groove and the positioning groove through the positioning matching of the positioning hole and the positioning screw, the stability of the sealing strips is improved, the clamping piece and the dovetail groove are used for fixing the sealing strips, the service life of the sealing strips is prolonged, the sealing joint is convenient for sealing connection of two adjacent sealing strips, and the two adjacent sealing strips are more firmly fixed through the matching of the threaded hole and the seam-riding screw.
2. Through interior door plant and outer door plant dual protection, make the thermal-insulated effect of furnace gate better, be difficult for producing the deformation, the insulating layer has played thermal-insulated effect, effectively blocked the heat conduction between furnace gate and the high temperature oven, the heat preservation has played heat retaining effect, through be equipped with the filling layer of moisturizing in the cavity, it has certain effect of moisturizing, the endothermic effect has been played, the filling layer of moisturizing can all concentrate on first intermediate lamella and second intermediate lamella with the heat, the temperature of outer door plant has effectively been reduced, sealed joint strip has played effectual sealed effect.
3. Through the setting of mounting panel one, be convenient for install the observation frame, the mounting hole extends to the inside of mounting panel two, be convenient for observe the frame and the circular through-hole cooperation back, carry out effectual fixed to both, through the screw-thread fit between mounting panel three and the screw rod, be convenient for the installation and the dismantlement of mounting panel three, the mounting groove is convenient for carry out spacing cooperation with mounting panel two, make two annular stoppers of observing the inside of through-hole carry out spacing fixed to the quartz glass lens, thereby make the better inside operating mode that sees through the quartz glass lens from observing the through-hole and observe the high temperature oven, the quartz glass lens has better heat-proof quality.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a rear view of the oven door of the present invention;
FIG. 3 is a schematic view of the seal seat of the present invention;
FIG. 4 is an enlarged view of the part A of the present invention;
FIG. 5 is a schematic view of the inner structure of the door of the present invention;
FIG. 6 is a schematic structural diagram of a second mounting plate of the present invention;
FIG. 7 is a schematic view of the internal structure of the second mounting plate of the present invention;
in the figure: 1. a high-temperature oven; 2. a furnace door; 3. a hinge; 4. hinging seat; 5. a door handle; 6. a groove; 7. positioning a groove; 8. positioning holes; 9. sealing the joint; 10. a threaded hole; 11. a sealing seat; 12. a set screw; 13. a clamping piece; 14. a dovetail groove; 15. a sealing strip; 16. a seam-riding screw; 17. an inner door panel; 18. an outer door panel; 19. a thermal insulation layer; 20. a heat-insulating layer; 21. a first intermediate plate; 22. a second intermediate plate; 23. sealing the sealing strip; 24. a moisture-retaining filling layer; 25. a cavity; 26. a door frame; 27. a sealing groove; 28. a first mounting plate; 29. an observation frame; 30. observing the through hole; 31. mounting holes; 32. an annular stop block; 33. a screw; 34. a second mounting plate; 35. mounting grooves; 36. a circular through hole; 37. mounting a third plate; 38. a quartz glass lens.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-7, an embodiment of the present invention is shown: the utility model provides an effectively prevent heat conduction oven furnace gate, including high temperature oven 1, the inside of high temperature oven 1 is fixed and is provided with door frame 26, the preceding terminal surface of high temperature oven 1 is provided with furnace gate 2, the fixed mounting panel 28 that is provided with of the preceding terminal surface of furnace gate 2, the fixed mounting panel two 34 that is provided with of rear end of mounting panel one 28, the inside of mounting panel two 34 and mounting panel one 28 is all fixed and is provided with circular through-hole 36, the inside of circular through-hole 36 is provided with observation frame 29, observation frame 29 is convenient for the staff and observes the flame state, the fixed constant head tank 7 that is provided with of rear end of furnace gate 2, be provided with recess 6 between the adjacent constant head tank 7, the inside of recess 6 is provided with seal receptacle 11, the inside of furnace gate 2 is.
Further, one side of the first mounting plate 28 is fixedly provided with a door handle 5, one side of the door frame 26 is fixedly provided with two hinged supports 4, the two hinged supports 4 are rotatably connected with the furnace door 2 through hinges 3, the door handle 5 facilitates opening and closing of the furnace door 2, and through the rotating matching of the hinged supports 4 and the hinges 3, workers can open and close the furnace door 2 conveniently for sintering.
Furthermore, the observation frame 29 is fixedly connected with the second mounting plate 34 through the mounting hole 31, three mounting holes 31 are arranged, a screw 33 is fixedly arranged at the rear end of the second mounting plate 34, two screw 33 are arranged, a third mounting plate 37 is arranged at the rear end of the second mounting plate 34, the third mounting plate 37 is in threaded connection with the screw 33, a mounting groove 35 is arranged at the front end surface of the third mounting plate 37, observation through holes 30 are formed in the observation frame 29 and the third mounting plate 37, annular limiting blocks 32 are fixedly arranged on the inner walls of the observation through holes 30, two annular limiting blocks 32 are arranged, quartz glass lenses 38 are arranged between the two annular limiting blocks 32, the mounting hole 31 extends into the second mounting plate 34, the observation frame 29 and the circular through holes 36 can be conveniently and effectively fixed after being matched, the installation and the disassembly of the third mounting plate 37 can be conveniently realized through the threaded matching between the third mounting plate 37, the mounting groove 35 is convenient for carry out spacing cooperation with two 34 of mounting panels, makes two annular stopper 32 of observing through-hole 30 inside carry out spacing fixed to quartz glass lens 38 to make the better inside operating mode that sees through quartz glass lens 38 from observing through-hole 30 and observe high temperature oven 1 of staff, quartz glass lens 38 has better heat-proof quality.
Further, the corner of recess 6 is provided with sealing joint 9, and sealing joint 9 is provided with four, and four sealing joint 9's inside all is provided with screw hole 10, and the internal thread of screw hole 10 is provided with the seam screw 16, and sealing joint 9 is convenient for carry out sealing connection with two adjacent sealing strips 15, through the cooperation of screw hole 10 with seam screw 16 for two adjacent sealing strips 15 are fixed more firmly.
Further, the inside of seal receptacle 11 and constant head tank 7 all is provided with locating hole 8, and seal receptacle 11 passes through set screw 12 and constant head tank 7 fixed connection, and through locating hole 8 and set screw 12's location fit, it is more firm to make seal receptacle 11 at recess 6 and constant head tank 7 internal fixation, has improved sealing strip 15's stability.
Further, one side of cavity 25 is fixed and is provided with interior door plant 17, and the opposite side of cavity 25 is fixed and is provided with outer door plant 18, through interior door plant 17 and outer door plant 18 dual protection for the thermal-insulated effect of furnace door 2 is better, and difficult production is warp.
Further, the inside of cavity 25 is provided with the filling layer 24 of moisturizing, and the filling layer 24 of moisturizing is provided with a plurality of, be provided with first intermediate lamella 21 on the outer wall of filling layer 24 one side of moisturizing, be provided with second intermediate lamella 22 on the outer wall of filling layer 24 opposite side of moisturizing, through sealed joint 23 sealing connection between the adjacent filling layer 24 of moisturizing, the filling layer 24 of moisturizing has certain moisturizing effect, endothermic effect has been played, the filling layer 24 of moisturizing can all concentrate the heat on first intermediate lamella 21 and second intermediate lamella 22, the temperature of outer door plant 18 has effectively been reduced, sealed joint 23 has played effectual sealed effect.
Further, the inside of door frame 26 is fixed and is provided with seal groove 27, the fixed joint piece 13 that is provided with of rear end face of seal receptacle 11, the inside of joint piece 13 is provided with dovetail 14, the inside seal of dovetail 14 is provided with sealing strip 15, through the cooperation of seal groove 27 and sealing strip 15, the leakproofness between furnace door 2 and high temperature oven 1 has been improved, better thermal-insulated effect has been played, joint piece 13 and dovetail 14 are used for fixed seal strip 15, the life of sealing strip 15 has been improved.
Further, a heat insulation layer 19 is arranged on the outer wall of the outer door plate 18, a heat insulation layer 20 is arranged on the outer wall of the inner door plate 17, the heat insulation layer 19 plays a heat insulation role, heat conduction between the furnace door 2 and the high-temperature oven 1 is effectively blocked, and the heat insulation layer 20 plays a heat insulation role.
A sealing and heat insulating method for effectively preventing a heat conduction oven door comprises the following steps:
step 1: the moisturizing filling layer 24 is hermetically arranged between the first middle plate 21 and the second middle plate 22, and then the first middle plate 21 and the second middle plate 22 are fixed inside the oven door 2 and between the inner door panel 17 and the outer door panel 18;
step 2: installing the first mounting plate 28, the second mounting plate 34 and the third mounting plate 37 in the oven door 2, matching the observation frame 29 with the circular through hole 36, and fixedly connecting the observation frame 29 with the second mounting plate 34 through the three mounting holes 31;
and step 3: installing a quartz glass lens 38 between the two annular limiting blocks 32, then performing limiting fit on the third mounting plate 37 and the second mounting plate 34 through the mounting groove 35, and fixing through the screw 33 and the nut to complete installation of the observation through hole 30;
and 4, step 4: fixedly installing a sealing strip 15 in a dovetail groove 14 of a clamping piece 13, then fixedly installing a sealing seat 11 in a groove 6, and then effectively positioning the sealing seat 11 and a positioning groove 7 through a positioning screw 12 and a positioning hole 8;
and 5: the two adjacent sealing strips 15 are connected in a sealing way by the sealing joint 9, and the sealing strips 15 are fixed more firmly by the matching of the threaded holes 10 and the seam-riding screws 16;
step 6: the oven door 2 is rotated by the door handle 5, so that the sealing strip 15 is effectively connected with the sealing groove 27 in the door frame 26 in a sealing manner.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.
Claims (10)
1. The utility model provides an effectively prevent heat conduction oven furnace gate, includes high temperature oven (1), its characterized in that: the fixed door frame (26) that is provided with in inside of high temperature oven (1), the preceding terminal surface of high temperature oven (1) is provided with furnace gate (2), the fixed mounting panel (28) that is provided with of the preceding terminal surface of furnace gate (2), the rear end of mounting panel (28) is fixed and is provided with mounting panel two (34), the inside of mounting panel two (34) and mounting panel one (28) is all fixed and is provided with circular through-hole (36), the inside of circular through-hole (36) is provided with observation frame (29), the fixed constant head tank (7) that is provided with of rear end of furnace gate (2), it is adjacent be provided with recess (6) between constant head tank (7), the inside of recess (6) is provided with seal receptacle (11), the inside of furnace gate (2) is provided with cavity (.
2. An effective heat conduction preventing oven door according to claim 1, characterized in that: the door handle (5) is fixedly arranged on one side of the first mounting plate (28), the hinged supports (4) are fixedly arranged on one side of the door frame (26), two hinged supports (4) are arranged, and the hinged supports (4) are rotatably connected with the furnace door (2) through hinges (3).
3. An effective heat conduction preventing oven door according to claim 1, characterized in that: observe frame (29) through mounting hole (31) and two (34) fixed connection of mounting panel, and mounting hole (31) is provided with threely, the rear end of two (34) of mounting panel is fixed and is provided with screw rod (33), and screw rod (33) are provided with two, the rear end of two (34) of mounting panel is provided with three (37) of mounting panel, and three (37) of mounting panel and screw rod (33) threaded connection, the preceding terminal surface of three (37) of mounting panel is provided with mounting groove (35), the inside of observing frame (29) and three (37) of mounting panel all is provided with observation through-hole (30), the inner wall of observation through-hole (30) is fixed and is provided with annular stopper (32), and annular stopper (32) are provided with two, two be provided with quartz glass lens (38) between annular stopper (32).
4. An effective heat conduction preventing oven door according to claim 1, characterized in that: the corner of recess (6) is provided with sealing joint (9), and sealing joint (9) are provided with four, four the inside of sealing joint (9) all is provided with screw hole (10), the inside screw thread of screw hole (10) is provided with riding seam screw (16).
5. An effective heat conduction preventing oven door according to claim 1, characterized in that: the sealing device is characterized in that positioning holes (8) are formed in the sealing seat (11) and the positioning groove (7), and the sealing seat (11) is fixedly connected with the positioning groove (7) through positioning screws (12).
6. An effective heat conduction preventing oven door according to claim 1, characterized in that: an inner door plate (17) is fixedly arranged on one side of the cavity (25), and an outer door plate (18) is fixedly arranged on the other side of the cavity (25).
7. An effective heat conduction preventing oven door according to claim 1, characterized in that: the utility model discloses a moisture-preserving packaging structure, including cavity (25), and the inside of cavity (25) is provided with filling layer (24) of moisturizing, and filling layer (24) of moisturizing is provided with a plurality of, be provided with first intermediate lamella (21) on the outer wall of filling layer (24) one side of moisturizing, be provided with second intermediate lamella (22) on the outer wall of filling layer (24) of moisturizing opposite side, it is adjacent through sealing strip (23) sealing connection between filling layer (24) of moisturizing.
8. An effective heat conduction preventing oven door according to claim 1, characterized in that: the inside of door frame (26) is fixed and is provided with seal groove (27), the fixed joint spare (13) that is provided with of rear end face of seal receptacle (11), the inside of joint spare (13) is provided with dovetail (14), the inside seal of dovetail (14) is provided with sealing strip (15).
9. An effective heat conduction preventing oven door according to claim 6, characterized in that: the outer wall of the outer door plate (18) is provided with a heat insulation layer (19), and the outer wall of the inner door plate (17) is provided with a heat insulation layer (20).
10. The method for effectively preventing the sealing and the heat insulation of the oven door of the heat conduction oven based on any one of claims 1 to 9 is characterized by comprising the following steps of:
step 1: the moisture-preserving filling layer (24) is arranged between the first middle plate (21) and the second middle plate (22) in a sealing mode, and then the first middle plate (21) and the second middle plate (22) are fixed inside the furnace door (2) and between the inner door panel (17) and the outer door panel (18);
step 2: installing a first mounting plate (28), a second mounting plate (34) and a third mounting plate (37) in the furnace door (2), matching the observation frame (29) with the circular through hole (36), and fixedly connecting the observation frame (29) with the second mounting plate (34) through the three mounting holes (31);
and step 3: installing a quartz glass lens (38) between the two annular limiting blocks (32), then carrying out limiting fit on the mounting plate III (37) and the mounting plate II (34) through the mounting groove (35), and fixing through the screw (33) and the nut to complete installation of the observation through hole (30);
and 4, step 4: the sealing strip (15) is fixedly arranged in a dovetail groove (14) of the clamping piece (13), then the sealing seat (11) is fixedly arranged in the groove (6), and then the sealing seat (11) and the positioning groove (7) are effectively positioned through the positioning screw (12) and the positioning hole (8);
and 5: the two adjacent sealing strips (15) are connected in a sealing way by using the sealing joint (9), and the sealing strips (15) are fixed more firmly by matching the threaded holes (10) with the seam-riding screws (16);
step 6: the door handle (5) rotates the oven door (2), so that the sealing strip (15) is effectively connected with the sealing groove (27) in the door frame (26) in a sealing way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011112782.XA CN112460981A (en) | 2020-10-16 | 2020-10-16 | Oven door of oven capable of effectively preventing heat conduction and sealing and heat insulation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011112782.XA CN112460981A (en) | 2020-10-16 | 2020-10-16 | Oven door of oven capable of effectively preventing heat conduction and sealing and heat insulation method thereof |
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|---|---|
| CN112460981A true CN112460981A (en) | 2021-03-09 |
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| CN202011112782.XA Pending CN112460981A (en) | 2020-10-16 | 2020-10-16 | Oven door of oven capable of effectively preventing heat conduction and sealing and heat insulation method thereof |
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| CN (1) | CN112460981A (en) |
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Application publication date: 20210309 |