CN213350802U - Cover is collected to roast package waste heat - Google Patents
Cover is collected to roast package waste heat Download PDFInfo
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- CN213350802U CN213350802U CN202022125668.2U CN202022125668U CN213350802U CN 213350802 U CN213350802 U CN 213350802U CN 202022125668 U CN202022125668 U CN 202022125668U CN 213350802 U CN213350802 U CN 213350802U
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Abstract
The utility model belongs to the technical field of roast package ware waste heat is collected, a roast package waste heat collection cover is proposed, including circular roast package lid, be provided with the nozzle on the circular roast package lid, a serial communication port, still include, cylindricality exhaust hood, eccentric settings is outside circular roast package lid, circular opening has been seted up on the cylindricality exhaust hood, circular opening and the coaxial setting of circular roast package lid, circular opening is used for inserting the ladle open end wherein, the exhaust tube way, the setting is on the lateral wall of cylindricality exhaust hood, and the exhaust tube way is located and is close to circular roast package lid center pin department, the drum is to keeping away from the eccentric setting of direction of cylindricality exhaust hood center pin on circular roast package lid, and the drum is located circular opening, the drum is used for stretching into the ladle open end, the exhaust fan, the setting is on the exhaust tube way. Through above-mentioned technical scheme, the problem of roast package ware heating inhomogeneous and the heat energy waste that the flue gas carried among the prior art has been solved.
Description
Technical Field
The utility model belongs to the technical field of roast package ware waste heat is collected, a cover is collected to roast package waste heat is related to.
Background
Ladle baking is one of the main links in the steelmaking production process. The performance of the baking device has great influence on the tapping temperature of the converter, the steelmaking operation rate, the furnace life and the like. The baking of the steel ladle is between the two processes of steel making and steel casting, and the baking temperature of the steel ladle plays an important role in coordinating the whole production, so that the significance of the continuous casting production is more important. The molten steel is cast after being calmed in a ladle for 5-10 min from the completion of steel discharge to the time of casting, the temperature of the molten steel is reduced in the calm process, and the main heat energy loss has three items: the heat loss of the upper surface of the molten steel, the comprehensive heat loss of the surface of the steel ladle shell and the heat loss of the steel ladle lining, wherein the heat loss of the steel ladle lining accounts for about 40-50% of the whole heat loss, so the heat loss of the steel ladle is reduced, and the temperature drop of the molten steel in the steel ladle can be greatly reduced. The method has important significance for reducing the tapping temperature, prolonging the service life of the converter, increasing the steel yield, reducing the consumption of raw materials, reducing the cost of steel per ton and ensuring the smooth continuous casting.
At present, most of the baking bag devices can generate a large amount of smoke due to fuel combustion, so that a smoke collecting device is applied to many baking bag devices, but the existing smoke collecting device can achieve the purpose of collecting smoke, but has a single function.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cover is collected to roast package waste heat has solved the problem that the cover function singleness was collected to waste heat among the prior art.
The technical scheme of the utility model is realized like this:
the method comprises the following steps: a circular baking bag cover body, wherein the circular baking bag cover body is provided with a burner, and is characterized by also comprising a burner,
a cylindrical smoke exhaust hood eccentrically arranged outside the circular baking cover body, a circular opening is arranged on the cylindrical smoke exhaust hood, the circular opening is coaxial with the circular baking cover body, the circular opening is used for inserting the opening end of the steel ladle into the circular opening,
the smoke pumping pipeline is arranged on the side wall of the cylindrical smoke pumping cover and is positioned close to the central shaft of the circular baking bag cover body,
the cylinder is eccentrically arranged on the circular ladle cover body towards the direction far away from the central shaft of the cylindrical smoke exhaust hood, the cylinder is positioned in the circular opening and is used for extending into the opening end of the ladle,
a smoke exhaust fan arranged on the smoke exhaust pipeline,
as a further technical solution, it is proposed that,
the diameter of the circular opening is equal to the outer diameter of the ladle.
As a further technical solution, it also includes,
a base seat is arranged on the base seat,
a lifting device arranged on the base,
a position adjusting device arranged on the lifting device, the circular baking bag cover body is arranged on the position adjusting device,
the conical guide sleeve is arranged on the cylindrical smoke hood and is positioned outside the circular opening, and the larger end of the conical guide sleeve is far away from the circular opening.
As a further technical solution, the lifting device comprises,
two support plates are vertically arranged on the base, strip-shaped holes are respectively arranged on the two support plates and are oppositely arranged,
two sliding blocks are arranged and are respectively arranged in the two strip-shaped holes in a sliding way,
the connecting plate is arranged between the two supporting plates, two ends of the connecting plate are fixedly connected with the two sliding blocks respectively, and the position adjusting device is arranged on the connecting plate.
As a further technical solution, the lifting device further comprises,
the cylinder sets up in the bar is downthehole, the cylinder body and the telescopic link of cylinder respectively with the inner wall in bar hole with the slider is connected.
As a further technical solution, the position adjusting device includes,
a first guide rail disposed on the connection plate in a first direction,
a first sliding plate which is arranged on the first guide rail in a sliding way,
the first limiting plate is arranged on the connecting plate, the first sliding plate is far away from or close to the first limiting plate after sliding,
a first return spring arranged between the first sliding plate and the first limit plate, and two ends of the first return spring are respectively connected with the first sliding plate and the first limit plate,
a second guide rail provided on the first slide plate in a second direction,
the second sliding plate is arranged on the second guide rail in a sliding way, the circular baking bag cover body is arranged on the second sliding plate,
the second limiting plate is arranged on the second guide rail, the second sliding plate is far away from or close to the second limiting plate after sliding,
and the second return spring is arranged between the second limiting plate and the second sliding plate, and two ends of the second return spring are respectively connected with the second limiting plate and the second sliding plate.
As a further technical solution, it is proposed that,
the number of the first limiting plates is two, the two first limiting plates are respectively positioned at two sides of the first sliding plate,
the first slide plate is provided with a first through hole along a first direction,
also comprises the following steps of (1) preparing,
the first sliding column is arranged in the first through hole in a sliding mode, two ends of the first sliding column are connected with the two first limiting plates respectively, and the first reset spring is sleeved outside the first sliding column.
As a further technical solution, it is proposed that,
the number of the second limit plates is two, the two second limit plates are respectively positioned at two sides of the second sliding plate,
the second slide plate is provided with second through holes along two directions,
also comprises the following steps of (1) preparing,
and the second sliding column is arranged in the second through hole in a sliding manner, two ends of the second sliding column are respectively connected with the two second limiting plates, and the second reset spring is sleeved outside the second sliding column.
As a further technical solution, it also includes,
and one end of the support column is arranged on the circular ladle cover body, the other end of the support column faces the circular opening, and the support column is used for supporting the inlet end of the ladle after the inlet end of the ladle enters the circular opening.
As a further technical scheme, the supporting columns are uniformly provided with a plurality of supporting columns along the circumferential direction of the circular baking bag cover body.
The utility model discloses a theory of operation and beneficial effect do:
1. the utility model discloses in circular roast and wrap the lid on be provided with the nozzle, the nozzle is lighted after letting in the gas, be used for heating the ladle, be provided with the cylindricality and take out the petticoat pipe outside circular roast and wrap the lid, and the center pin of cylindricality and the center pin of circular roast and wrap the lid are not collinear, and the cavity volume that constitutes between cylindricality and the circular roast and wrap the lid can become bigger gradually from one side to the other side that is close to the smoke pumping pipeline because the smoke pumping pipeline is located near circular roast and wrap lid center pin department, the speed that the less partial discharge flue gas of volume between circular roast and wrap the lid and the cylindricality takes out the petticoat pipe can be less than the speed that the great partial discharge flue gas of volume, because the smoke pumping pipeline is close to the less part of volume, the speed that the local smoke pumping that is closer to the smoke pumping pipeline is higher more, the influence of volume relation between cylindrical smoke pumping hood and the circular roast and, the speed difference of the smoke emission on the circumference of the outlet end of the ladle is very small, the smoke in the ladle can be uniformly diffused to the periphery, the heat generated by gas combustion can quickly and uniformly spread the inner wall part of the ladle, the temperature of the ladle is quickly improved, the circular baking cover body is eccentrically provided with the cylinder, the volume change between the cylinder and the cylindrical smoke extraction hood is the same as the volume change between the cylindrical smoke extraction hood and the circular baking cover body, the volume change between the cylinder and the cylindrical smoke extraction hood is gradually increased from one side close to the smoke extraction pipeline to one side far away from the smoke extraction pipeline, when the cylindrical smoke extraction hood covers the opening end of the ladle, the cylinder extends into one part of the opening end of the ladle, the cylinder is inserted into the opening of the ladle, the cylinder is not coaxial with the ladle, and the space volume formed between the outer wall of the cylinder and the inner wall of the ladle is gradually increased from one side to the, just because make the ascending smoking speed of ladle internal circumference the same, realized that the speed that the heat spreads to the ladle inner wall is the same, so reached the effect of ladle inner wall even heating intensification.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic top view of the present invention;
fig. 4 is a schematic cross-sectional view a-a1 of fig. 3 according to the present invention;
fig. 5 is a schematic view of a partial enlarged structure of D in fig. 4 according to the present invention;
fig. 6 is a schematic cross-sectional view of B-B1 of fig. 3 according to the present invention;
fig. 7 is an enlarged view of part E of fig. 6 according to the present invention;
fig. 8 is a schematic view of the structure of the present invention;
fig. 9 is a schematic cross-sectional view of C-C1 of fig. 8 according to the present invention;
FIG. 10 is a schematic view of the position adjustment device according to the present invention;
in the figure: 1-round baking bag cover body, 2-burner, 3-cylindrical smoke exhaust hood, 4-round opening, 5-smoke exhaust pipeline, 6-cylinder, 7-smoke exhaust fan, 81-base, 82-lifting device, 821-supporting plate, 822-strip-shaped hole, 823-sliding block, 824-connecting plate, 825-cylinder, 83-position adjusting device, 831-first guide rail, 832-first sliding plate, 8321-first through hole, 8322-first sliding column, 833-first limiting plate, 834-first return spring, 835-second guide rail, 836-second sliding plate, 8361-second through hole, 8362-second sliding column, 837-second limiting plate, 838-second return spring, 84-conical guide sleeve and 91-supporting column, and 11-a ladle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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 efforts belong to the protection scope of the present invention.
As shown in fig. 1-10, the utility model provides a cover is collected to roast package waste heat, include:
a circular baking bag cover body 1, a burner 2 is arranged on the circular baking bag cover body 1, and the circular baking bag is characterized by also comprising,
the cylindrical smoke extraction hood 3 is eccentrically arranged outside the circular baking cover body 1, a circular opening 4 is arranged on the cylindrical smoke extraction hood 3, the circular opening 4 is coaxially arranged with the circular baking cover body 1, the circular opening 4 is used for inserting the opening end of a steel ladle into the circular opening 4,
a smoke extraction pipeline 5 which is arranged on the side wall of the cylindrical smoke extraction hood 3, the smoke extraction pipeline 5 is positioned at the position close to the central shaft of the circular baking bag cover body 1,
a cylinder 6, the cylinder 6 is eccentrically arranged on the circular baking ladle cover body 1 towards the direction far away from the central shaft of the cylindrical smoke exhaust hood 3, the cylinder 6 is positioned in the circular opening 4, the cylinder 6 is used for extending into the opening end of the ladle,
and the smoke exhaust fan 7 is arranged on the smoke exhaust pipeline 5.
In the embodiment, the circular baking cover body 1 is provided with the burner 2, the burner 2 is ignited after the fuel gas is introduced to heat the steel ladle, the cylindrical smoke extraction hood 3 is arranged outside the circular baking cover body 1, and the central axis of the cylindrical smoke extraction hood 3 is not collinear with the central axis of the circular baking cover body 1, so that the volume of a cavity formed between the cylindrical smoke extraction hood 3 and the circular baking cover body 1 is gradually increased from one side close to the smoke extraction pipeline 5 to the other side, because the smoke extraction pipeline 5 is positioned close to the central axis of the circular baking cover body 1, the speed of the smoke discharged by the part with smaller volume between the circular baking cover body 1 and the cylindrical smoke extraction hood 3 is smaller than that of the part with larger volume, because the smoke extraction pipeline 5 is close to the part with smaller volume, the higher speed of the smoke is closer to the part with smaller volume, and the distance relationship of the smoke extraction pipeline 5 relatively offsets the influence of the volume relationship between the cylindrical smoke extraction hood 3 and the circular baking cover body 1 on the smoke diffusion, the speed difference of the smoke emission on one circle of the outlet end of the ladle is very small, the smoke in the ladle can be uniformly diffused to the periphery, the heat generated by gas combustion can quickly and uniformly spread the inner wall part of the ladle, the temperature of the ladle is quickly improved, the circular baking cover body 1 is eccentrically provided with the cylinder 6, the volume size change between the cylinder 6 and the cylindrical smoke extraction hood 3 is the same as the volume size change before the cylindrical smoke extraction hood 3 and the circular baking cover body 1, the volume size between the cylinder 6 and the cylindrical smoke extraction hood 3 is gradually increased from one side close to the smoke extraction pipeline 5 to one side far away from the smoke extraction pipeline 5, when the cylindrical smoke extraction hood 3 covers the opening end of the ladle, the cylinder 6 extends into one part of the opening end of the ladle, the cylinder 6 is inserted into the opening of the ladle, the cylinder 6 is not coaxial with the ladle, the space volume formed between the outer wall of the cylinder 6 and the inner wall of the ladle is gradually increased from one side to, just because make the ascending smoking speed of ladle internal circumference the same, realized that the speed that the heat spreads to the ladle inner wall is the same, so reached the effect of ladle inner wall even heating intensification.
Further, the diameter of the circular opening 4 is equal to the outer diameter of the ladle.
In the embodiment, the diameter of the circular opening 4 is equal to the outer diameter of the steel ladle, so that the side wall of the circular opening 4 can be just limited outside the steel ladle, the position of the cylinder 6 is also limited, the constant distance between the central shaft of the cylinder 6 and the central shaft of the steel ladle is realized, and the probability of leakage of smoke from a gap between the circular opening 4 and the steel ladle is greatly reduced.
Further, the position of the base 81,
a lifting device 82 arranged on the base 81,
a position adjusting device 83 arranged on the lifting device 82, the circular baking bag cover body 1 is arranged on the position adjusting device 83,
the conical guide sleeve 84 is arranged on the cylindrical smoke exhaust hood 3 and is positioned outside the circular opening 4, and one end of the conical guide sleeve 84 with the larger diameter is far away from the circular opening 4.
In this embodiment, the base 81 is used to be fixed on the ground, the lifting device 82 is used to bring the position adjusting device 83 to move up and down, the circular baking bag cover 1 is arranged on the position adjusting device 83, the circular baking bag cover 1 can move up and down and move on the horizontal plane under the action of the lifting device 82 and the position adjusting device 83, the conical guide sleeve 84 is arranged outside the circular opening 4, when baking the steel ladle, the circular baking bag cover 1 is lifted up first, then the steel ladle is placed under the circular baking bag cover 1, the open end of the steel ladle is misaligned with the circular opening 4 when the circular baking bag cover 1 is lowered, the area of the conical guide sleeve 84 aligned with the steel ladle is increased, even if there is slight deviation, the collecting cover part is translated in the horizontal plane under the action of the inclined plane of the conical guide sleeve 84 and then aligned with the circular opening 4, the end part of the ladle can enter the round opening 4, and the requirement on the accuracy of the placement position of the ladle is reduced.
Further, the elevating means 82 includes, for example,
the supporting plate 821 and the base 81 are vertically provided with two supporting plates 821, the two supporting plates 821 are respectively provided with a strip-shaped hole 822, the two strip-shaped holes 822 are oppositely arranged,
the two sliders 823 are arranged, the two sliders 823 are respectively arranged in the two strip-shaped holes 822 in a sliding manner,
and a connecting plate 824 disposed between the two support plates 821, wherein two ends of the connecting plate 824 are respectively fixedly connected to the two sliders 823, and the position adjusting device 83 is disposed on the connecting plate 824.
In this embodiment, the slider 823 slides to drive the connecting plate 824 to move up and down, and the position adjustment device 83 is disposed on the connecting plate 824, so as to drive the position adjustment device 83 to move up and down.
Further, the lifting device 82 further comprises,
the cylinder 825 sets up in bar hole 822, and the cylinder body and the telescopic link of cylinder 825 are connected with the inner wall and the slider 823 of bar hole 822 respectively.
In this embodiment, the telescopic rod of the cylinder 825 is telescopic, so that the driving slider 823 slides.
Further, the position adjusting means 83 includes,
a first guide rail 831 provided on the connection plate 824 in a first direction,
a first sliding plate 832 slidably disposed on the first guiding rail 831,
a first limit plate 833 arranged on the connecting plate 824, the first sliding plate 832 slides away from or close to the first limit plate 833,
a first return spring 834 disposed between the first sliding plate 832 and the first stopper plate 833, and both ends of the first return spring 834 are connected to the first sliding plate 832 and the first stopper plate 833 respectively,
a second guide 835, disposed on the first sliding plate 832 in the second direction,
a second sliding plate 836 slidably disposed on the second guiding rail 835, a circular baking bag cover body 1 disposed on the second sliding plate 836,
a second limit plate 837 disposed on the second guide rail 835, the second slide plate 836 sliding away from or close to the second limit plate 837,
and a second return spring 838 disposed between the second limiting plate 837 and the second sliding plate 836, wherein both ends of the second return spring 838 are connected to the second limiting plate 837 and the second sliding plate 836, respectively.
In this embodiment, first sliding plate 832 slides on first guiding rail 831 along a first direction, first return spring 834 allows first sliding plate 832 to maintain a corresponding position without force, second sliding plate 836 slides on second guiding rail 835 along a second direction, and second return spring 838 allows second sliding plate 837 to maintain a corresponding position, because first sliding plate 832 can move along the first direction and second sliding plate 836 can move along the second direction, so that circular baking cover body 1 arranged on second sliding plate 836 can move in a plane, which satisfies the function of inserting the end of a ladle into circular opening 4 when ladle is misaligned with circular opening 4.
Further, two first limit plates 833 are provided, the two first limit plates 833 are respectively located at both sides of the first sliding plate 832,
the first sliding plate 832 is provided with a first through hole 8321 along a first direction,
also comprises the following steps of (1) preparing,
the first sliding column 8322 is slidably disposed in the first through hole 8321, two ends of the first sliding column 8322 are respectively connected to the two first limiting plates 833, and the first return spring 834 is disposed outside the first sliding column 8322.
In this embodiment, the first sliding column 8322 is disposed such that the first sliding plate 832 slides more stably due to the first through hole 8321 being passed through by the first sliding column 8322, and the first return spring 834 is sleeved on the outside of the first sliding column 8322, so that the first return spring 834 is stable when deformed, and the first return spring 834 is prevented from being twisted.
Further, two second limit plates 837 are provided, the two second limit plates 837 are respectively located at both sides of the second slide plate 836,
the second slide plate 836 is provided with second through holes 8361 along two directions thereof,
also comprises the following steps of (1) preparing,
the second sliding column 8362 is slidably disposed in the second through hole 8361, and two ends of the second sliding column 8362 are respectively connected to the two second limiting plates 837, and the second return spring 838 is sleeved outside the second sliding column 8362.
In this embodiment, the second sliding post 8362 is disposed such that the second sliding plate 836 slides more stably due to the second through hole 8361 being passed through by the second sliding post 8362, and the second return spring 838 is sleeved outside the second sliding post 8362, so that the second return spring 838 is deformed stably and the second return spring 838 is prevented from being twisted.
Further, the method also comprises the following steps of,
and one end of the support column 91 is arranged on the circular ladle cover body 1, the other end of the support column faces the circular opening 4, and the support column 91 is used for supporting the inlet end of the ladle after the inlet end of the ladle enters the circular opening 4.
In this embodiment, the arrangement of the supporting column 91 can support the end of the ladle when the circular baking bag cover body 1 descends, so as to prevent the occurrence of the situation that the circular baking bag cover body 1 contacts with the end of the ladle to seal the flue gas channel.
Further, the supporting columns 91 are uniformly provided with a plurality of supporting columns along the circumferential direction of the circular baking bag cover body 1.
In this embodiment, the setting of a plurality of support column 91 for it is more firm to support, and the corresponding lifting surface who increases circular roast package lid 1 has reduced the requirement to circular roast package lid 1 self intensity, has improved the life-span.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A baking bag waste heat collecting cover comprises a circular baking bag cover body (1), wherein a burner (2) is arranged on the circular baking bag cover body (1), and is characterized by also comprising a burner,
the cylindrical smoke extraction hood (3) is eccentrically arranged outside the circular ladle cover body (1), a circular opening (4) is formed in the cylindrical smoke extraction hood (3), the circular opening (4) and the circular ladle cover body (1) are coaxially arranged, the circular opening (4) is used for inserting the opening end of a ladle into the circular opening,
the smoke extraction pipeline (5) is arranged on the side wall of the cylindrical smoke extraction hood (3), the smoke extraction pipeline (5) is positioned at the position close to the central shaft of the circular baking bag cover body (1),
the cylinder (6) is eccentrically arranged on the circular ladle cover body (1) in the direction far away from the central shaft of the cylindrical smoke extraction hood (3), the cylinder (6) is positioned in the circular opening (4), the cylinder (6) is used for extending into the opening end of the ladle,
and the smoke exhaust fan (7) is arranged on the smoke exhaust pipeline (5).
2. The baking bag waste heat collecting cover according to claim 1,
the diameter of the circular opening (4) is equal to the outer diameter of the ladle.
3. The residual heat collecting cover for baking bag according to claim 1, further comprising,
a base (81) for supporting the base,
a lifting device (82) arranged on the base (81),
a position adjusting device (83) arranged on the lifting device (82), the circular baking bag cover body (1) is arranged on the position adjusting device (83),
the conical guide sleeve (84) is arranged on the cylindrical smoke exhaust hood (3) and is positioned outside the circular opening (4), and the larger end of the conical guide sleeve (84) in diameter is far away from the circular opening (4).
4. The residual heat collecting hood for baking bag according to claim 3, wherein the lifting device (82) comprises,
the base (81) is vertically provided with two supporting plates (821), the two supporting plates (821) are respectively provided with a strip-shaped hole (822), the two strip-shaped holes (822) are oppositely arranged,
two sliding blocks (823) are arranged, the two sliding blocks (823) are respectively arranged in the two strip-shaped holes (822) in a sliding manner,
and the connecting plate (824) is arranged between the two supporting plates (821), two ends of the connecting plate (824) are respectively and fixedly connected with the two sliding blocks (823), and the position adjusting device (83) is arranged on the connecting plate (824).
5. The residual heat collecting hood for baking bag according to claim 4, wherein the lifting device (82) further comprises,
the cylinder (825) is arranged in the strip-shaped hole (822), and a cylinder body and a telescopic rod of the cylinder (825) are respectively connected with the inner wall of the strip-shaped hole (822) and the sliding block (823).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022125668.2U CN213350802U (en) | 2020-09-24 | 2020-09-24 | Cover is collected to roast package waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022125668.2U CN213350802U (en) | 2020-09-24 | 2020-09-24 | Cover is collected to roast package waste heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213350802U true CN213350802U (en) | 2021-06-04 |
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ID=76155482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022125668.2U Active CN213350802U (en) | 2020-09-24 | 2020-09-24 | Cover is collected to roast package waste heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213350802U (en) |
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2020
- 2020-09-24 CN CN202022125668.2U patent/CN213350802U/en active Active
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