CN111905999A - Even drying mechanism of coating oven - Google Patents
Even drying mechanism of coating oven Download PDFInfo
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- CN111905999A CN111905999A CN202010802757.8A CN202010802757A CN111905999A CN 111905999 A CN111905999 A CN 111905999A CN 202010802757 A CN202010802757 A CN 202010802757A CN 111905999 A CN111905999 A CN 111905999A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
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Abstract
The invention discloses a uniform drying mechanism of a coating oven, which comprises an oven body, an upper air chamber and a lower air chamber which are arranged in the oven body, and an oven static pressure chamber body which is arranged outside the oven body and is respectively communicated with the upper air chamber and the lower air chamber. The invention ensures that hot air blown out from the upper air chamber and the lower air chamber can uniformly and quickly dry the two surfaces of the pole piece by the primary steady flow and the uniform air of the static pressure chamber of the oven and the secondary steady flow and the uniform air of the upper air chamber and the lower air chamber, thereby ensuring the uniform heating of the pole piece.
Description
Technical Field
The invention relates to the field of lithium battery pole piece manufacturing, in particular to a uniform drying mechanism of a coating oven.
Background
In the production process of the existing power battery, the coating mainly comprises a coating part and a drying part, and in the drying process of the pole piece, because dynamic pressure air fed into an air chamber of an oven is not provided with a static pressure chamber, the inertia of the air flow is large, the air flow is unstable, the uniformity of hot air exhausted from an air outlet of an air nozzle is poor, and the defects of uneven drying, wrinkling, deviation and the like of the pole piece are caused. In addition, most enterprises use a high-efficiency environment-friendly suspension type oven to replace a traditional roller type oven, the base material of the suspension type oven does not contact with the surface of the roller, and scraping and scratching of the surface of the pole piece in the oven are avoided. The air nozzle structure of the floating type drying oven applied to the current market is mainly in up-and-down staggered arrangement, the distance between the upper air nozzle and the lower air nozzle is 10-30 mm, an air cushion is formed between hot air discharged from the air nozzles and the pole piece, the pole piece is supported to ensure that the pole piece is dried and stably operated, but when the coating machine is started and stopped, the pole piece is easily in a loose state due to the influence of tension, or hot air discharged from an air outlet of the air nozzle is unstable, the pole piece is easily scratched due to the contact between the pole piece and the protruding air nozzle at the moment, and the quality of a coated product is caused. Meanwhile, due to the characteristics of a continuous production line, the sanitation of the oven needs to be maintained and cleaned regularly to prevent the secondary pollution of a new pole piece caused by the difficulty in cleaning because the air outlet of the tuyere is blocked by foreign matters.
Disclosure of Invention
The invention aims to provide a uniform drying mechanism of a coating oven, which solves the problems in the coating production process and has the advantages of simple structure, convenient operation and reliable operation.
The technical scheme of the invention is as follows:
a uniform drying mechanism of a coating oven comprises an oven body, an upper air chamber and a lower air chamber which are arranged in the oven body, and an oven static pressure chamber body which is arranged outside the oven body and is respectively communicated with the upper air chamber and the lower air chamber;
the hot air delivered into the oven static pressure chamber box body from the air inlet of the oven static pressure chamber box body sequentially passes through the static guide plate and the static pressure chamber air equalizing plate and then is discharged out of the oven static pressure chamber box body from the air outlet of the oven static pressure chamber box body;
an air inlet and an air outlet are arranged on a long side plate of the oven body, the air inlet of the oven body is communicated with an air outlet of the oven static pressure chamber body through a double-layer heat insulation pipeline, a rotatable blade is arranged at the inlet of the double-layer heat insulation pipeline, the air quantity fed into the upper air chamber and the lower air chamber is controlled by adjusting the angle of the blade, air inlets are arranged on the upper air chamber and the lower air chamber, and the air inlets of the upper air chamber and the lower air chamber are respectively connected with the air inlet of the oven body through flexible connecting pipes;
the two wide side plates of the oven box body are respectively provided with a pole piece socket, the pole piece sockets on the two wide side plates are mutually overlapped, the upper air chamber is positioned right above the lower air chamber, a pole piece inserting gap is arranged between the upper air chamber and the lower air chamber, and a pole piece to be dried is inserted into the oven box body through the pole piece socket on one wide side plate of the oven box body, penetrates through the pole piece inserting gap and then penetrates out of the pole piece socket on the other wide side plate of the oven box body;
a plurality of supporting seats are fixed on the side walls of the upper air chamber and the lower air chamber, an air chamber height adjusting screw is in threaded connection with each supporting seat, the top end of each air chamber height adjusting screw on the upper air chamber is fixed on a top plate of the oven body, and the bottom end of each air chamber height adjusting screw on the lower air chamber is fixed on a bottom plate of the oven body;
the bottom end of the upper air chamber and the top end of the lower air chamber are both of an open structure, air chamber air-equalizing plates are fixed in the upper air chamber adjacent to the bottom end of the upper air chamber and in the lower air chamber adjacent to the top end of the lower air chamber, a plurality of fixed air plates are arranged on the air chamber air-equalizing plates in a matrix manner, the upper air chamber is positioned under the corresponding air chamber air-equalizing plate and is fixed with a plurality of fixed air plates at intervals along the length direction of the upper air chamber, the lower air chamber is positioned over the corresponding air chamber air-equalizing plate and is fixed with a plurality of fixed air plates at intervals along the length direction of the lower air chamber, a plurality of air outlet plates are arranged between any two adjacent fixed air plates, the side surfaces of the air outlet plates in the width direction of the upper air chamber or the lower air chamber are both of an inclined surface structure, the two opposite side surfaces of the two adjacent air outlet plates are parallel to each other, and a slit air outlet is, waist-shaped holes are formed in the long side plates of the upper air chamber and the lower air chamber, bolt holes are formed in the side surfaces of the air outlet plates along the length direction of the upper air chamber or the lower air chamber, and each air outlet plate in the upper air chamber or the lower air chamber is fixed in the upper air chamber or the lower air chamber in a positioning mode through a fixing bolt penetrating through the waist-shaped holes and the bolt holes.
The mesh on the static pressure chamber air equalizing plate is of a waist hole structure, and the aperture ratio of the mesh on the static pressure chamber air equalizing plate is 40-50%.
Two static guide plates which are parallel up and down are arranged in the oven static pressure chamber box body.
And an air valve actuator for driving the blades to rotate is arranged on the double-layer heat-insulating pipeline.
The air chamber guide plates with L-shaped arc bending structures are arranged on the upper air chamber and the lower air chamber and positioned at the air inlet, the air chamber guide plates are vertically arranged, the outer ends of the air chamber guide plates face the air inlet, and the inner ends of the air chamber guide plates extend into the upper air chamber or the lower air chamber.
The ventilation holes on the air chamber air-equalizing plate are round holes, and the opening rate of the ventilation holes on the air chamber air-equalizing plate is 25-30%.
The side surface of the air outlet plate along the width direction of the corresponding upper air chamber or the lower air chamber forms an included angle of 60 degrees with the horizontal plane.
The fixed air plate is of a trapezoidal bending structure, the bending angles of the two ends of the fixed air plate and the middle of the fixed air plate are 60 degrees respectively, any end of the fixed air plate is parallel to the side face of the adjacent air outlet plate along the width direction of the corresponding upper air chamber or the lower air chamber, and a slit air outlet is formed between any end of the fixed air plate and the side face of the adjacent air outlet plate.
The outer surface of the middle part of the fixed air plate and the outer surface of the air outlet plate facing the corresponding upper air chamber or the lower air chamber are positioned at the same horizontal height.
The invention has the advantages that:
(1) the invention is provided with an oven static pressure chamber, and the stable flow state hot air is formed by the hot air of a static guide plate and a wind equalizing plate of the static pressure chamber;
(2) the double-layer heat-insulation pipeline is connected with the oven static pressure chamber and the oven body to avoid heat loss, and meanwhile, the rotatable blades are arranged at the inlet of the double-layer heat-insulation pipeline, and the air quantity fed into the upper air chamber and the lower air chamber is controlled by adjusting the angles of the blades;
(3) the distance between the upper air chamber and the lower air chamber can be adjusted through the air chamber height adjusting screw rod, so that the distance from the slit air outlet to the pole piece is adjusted;
(4) an air chamber guide plate and an air chamber air equalizing plate are arranged in the upper air chamber and the lower air chamber of the invention, so that secondary steady flow of hot air is realized;
(5) according to the invention, the upper air chamber and the lower air chamber blow out uniform hot air through the slit air outlets between the adjacent air outlet plates or between the air outlet plates and the fixed air plates to dry the pole piece, and the air outlet plates and the fixed air plates are both positioned in the corresponding upper air chamber or lower air chamber and do not protrude out of the upper air chamber or lower air chamber, so that the pole piece is prevented from passing through the oven to contact or scrape the air outlet plates and the fixed air plates and damaging the surface quality of the pole piece;
(6) the size of the slit air outlet between the adjacent air outlet plates is adjustable, so that the uniform air speed and the uniform temperature field of the slit air outlet blowing to the pole piece are ensured, and the system tension control and the sanitation and cleaning of the oven are facilitated.
According to the invention, the two surfaces of the pole piece are rapidly dried by the uniform hot air blown out from the upper air chamber and the lower air chamber, so that the pole piece is uniformly heated, and the pole piece drying device has the advantages of simple structure, convenience in operation and reliability in operation.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a block diagram of the oven plenum housing of the present invention.
Fig. 3 is a schematic structural view of the double-layer heat-insulating pipeline of the invention.
Fig. 4 is a perspective view of the oven housing of the present invention.
FIG. 5 is a schematic view of the construction of the lower plenum of the present invention.
Fig. 6 is an enlarged view of the outlet plate and the fixed plate of the present invention.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a uniform drying mechanism of a coating oven comprises an oven body 1, an upper air chamber 2 and a lower air chamber 3 which are arranged in the oven body 1, and an oven static pressure chamber body 4 which is arranged outside the oven body 1 and is respectively communicated with the upper air chamber 2 and the lower air chamber 3;
an air inlet 41 and an air outlet 42 are respectively arranged on two adjacent side plates of the oven static pressure chamber box body 4, two static guide plates 43 and a static pressure chamber air equalizing plate 44 are arranged in the oven static pressure chamber box body 4, the two static guide plates 43 are parallel up and down, the static guide plates 43 are of an L-shaped arc bending structure, the end parts of the horizontal parts of the static guide plates 43 face the air inlet 41 of the oven static pressure chamber box body, the end parts of the vertical parts of the static guide plates 43 face the top end of the oven static pressure chamber box body 4, the static pressure chamber air equalizing plate 44 is of a net-shaped plate structure, meshes on the static pressure chamber air equalizing plate 44 are of a waist-hole structure, the aperture ratio of the meshes on the static pressure chamber air equalizing plate 44 is 40-50%, the static pressure chamber air plate 44 is vertically arranged and faces the air outlet 42 direction of the oven static pressure chamber box body, hot air fed into the oven static pressure chamber box body 4 from the air inlet 41 of the oven static pressure chamber box body sequentially passes through (ii) a
An air inlet 11 and an air outlet 12 are arranged on the long side plate of the oven body 1, the air inlet 11 of the oven body 1 is communicated with an air outlet 42 of the oven static pressure chamber body through a double-layer heat preservation pipeline 5, a rotatable blade 51 is arranged at the inlet of the double-layer heat preservation pipeline 5, an air valve actuator 52 for driving the blade 51 to rotate is arranged on the double-layer heat preservation pipeline 5, the air valve actuator 52 controls the air quantity sent into the upper air chamber 2 and the lower air chamber 3 by adjusting the angle of the blade 51, air inlets 31 are arranged on the upper air chamber 2 and the lower air chamber 3, the air inlets 31 of the upper air chamber and the lower air chamber are respectively connected with the air inlet 11 of the oven body through a flexible connecting pipe 32, air chamber guide plates 33 with L-shaped arc bending structures are arranged on the upper air chamber and the lower air chamber and positioned at the air inlets 31, the air chamber guide plates 33 are vertically arranged, the, the inner end of the air chamber guide plate 33 extends to the inside of the upper air chamber 2 or the lower air chamber 3;
pole piece inserting openings 13 are formed in two wide side plates of the oven body 1, the pole piece inserting openings 13 in the two wide side plates are mutually overlapped, the upper air chamber 2 is positioned right above the lower air chamber 3, a pole piece inserting gap is formed between the upper air chamber 2 and the lower air chamber 3, and a pole piece 6 to be dried is inserted into the oven body 1 through the pole piece inserting opening 13 in one wide side plate of the oven body, penetrates through the pole piece inserting gap and then penetrates out through the pole piece inserting opening 13 in the other wide side plate of the oven body;
a plurality of supporting seats 34 are fixed on the side walls of the upper air chamber 2 and the lower air chamber 3, an air chamber height adjusting screw 35 is in threaded connection with each supporting seat 34, the top end of each air chamber height adjusting screw 35 on the upper air chamber 2 is fixed on the top plate of the oven body 1, and the bottom end of each air chamber height adjusting screw 35 on the lower air chamber 3 is fixed on the bottom plate of the oven body 1;
the bottom end of the upper air chamber 2 and the top end of the lower air chamber 3 are both of an open structure, an air chamber air-equalizing plate 36 is fixed in the upper air chamber 2 adjacent to the bottom end thereof, an air chamber air-equalizing plate 36 is fixed in the lower air chamber 3 adjacent to the top end thereof, a plurality of vent holes arranged in a matrix are arranged on the air chamber air-equalizing plate 36, the vent holes are circular holes, the aperture ratio of the vent holes on the air chamber air-equalizing plate 36 is 25-30%, a plurality of fixed air plates 37 are fixed in the upper air chamber 2 directly below the corresponding air chamber air-equalizing plate 36 and at intervals along the length direction of the upper air chamber, a plurality of fixed air plates 37 are fixed in the lower air chamber 3 directly above the corresponding air chamber air-equalizing plate 36 and at intervals along the length direction of the lower air chamber, a plurality of air outlet plates 38 are arranged between any two adjacent fixed air plates 37, the side surfaces of the plurality of air outlet plates 38 along the width direction of the corresponding upper air chamber 2 or lower air chamber 3 are both of an, a slit air outlet is formed between two opposite side surfaces of two adjacent air outlet plates 38, waist-shaped holes are formed in long side plates of the upper air chamber 2 and the lower air chamber 3, bolt holes are formed in the side surfaces of the air outlet plates 38 along the length direction of the upper air chamber or the lower air chamber, and each air outlet plate 38 in the upper air chamber or the lower air chamber is fixedly positioned in the upper air chamber 2 or the lower air chamber 3 through fixing bolts penetrating through the waist-shaped holes and the bolt holes.
Wherein, the included angle between the side surface of the air outlet plate 38 along the width direction of the corresponding upper air chamber 2 or the lower air chamber 3 and the horizontal plane is 60 degrees; the fixed air plate 37 is of a trapezoidal bending structure, the bending angles of the two end parts of the fixed air plate 37 and the middle part of the fixed air plate 37 are both 60 degrees, any end part of the fixed air plate 37 is parallel to the side surface of the adjacent air outlet plate 38 along the width direction of the corresponding upper air chamber or lower air chamber, and a slit air outlet is formed between any end part of the fixed air plate 37 and the side surface of the adjacent air outlet plate 38; the outer surface of the middle part of the fixed air plate 37 and the outer surface of the air outlet plate 38 facing to the outside of the corresponding upper air chamber 2 or the lower air chamber 3 are positioned at the same horizontal height.
The working principle of the invention is as follows:
(1) firstly, inserting a pole piece 6 to be dried into the oven body 1 from a pole piece socket 13 on one broadside side plate of the oven body, penetrating through a pole piece inserting gap, and then penetrating out from a pole piece socket 13 on the other broadside side plate of the oven body;
(2) hot air sent into the oven static pressure chamber box body 4 from the oven static pressure chamber box body air inlet 41 sequentially passes through the static guide plate 43 and the static pressure chamber air equalizing plate 44 and then is discharged from the oven static pressure chamber box body air outlet 42, so that primary steady flow and air equalization are realized;
(3) and hot air exhausted from the oven static pressure chamber box body is conveyed through the double-layer heat insulation pipeline 5, enters the upper air chamber 2 and the lower air chamber 3 through the air chamber guide plate 33, is subjected to secondary flow stabilization through the air chamber air-distributing plate 36, and is finally blown to the pole piece 6 through the slit air outlet.
Waist-shaped hole structures are arranged on the long side plates of the upper air chamber 2 and the lower air chamber 3, so that the position of the air outlet plate 38 can be conveniently adjusted, the size of the slit air outlet can be adjusted, and the uniform air speed and the uniform temperature field of the slit air outlet blowing to the pole piece can be ensured.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a coating oven uniform drying mechanism which characterized in that: the drying oven comprises an oven body, an upper air chamber and a lower air chamber which are arranged in the oven body, and an oven static pressure chamber body which is arranged outside the oven body and is respectively communicated with the upper air chamber and the lower air chamber;
the hot air delivered into the oven static pressure chamber box body from the air inlet of the oven static pressure chamber box body sequentially passes through the static guide plate and the static pressure chamber air equalizing plate and then is discharged out of the oven static pressure chamber box body from the air outlet of the oven static pressure chamber box body;
an air inlet and an air outlet are arranged on a long side plate of the oven body, the air inlet of the oven body is communicated with an air outlet of the oven static pressure chamber body through a double-layer heat insulation pipeline, a rotatable blade is arranged at the inlet of the double-layer heat insulation pipeline, the air quantity fed into the upper air chamber and the lower air chamber is controlled by adjusting the angle of the blade, air inlets are arranged on the upper air chamber and the lower air chamber, and the air inlets of the upper air chamber and the lower air chamber are respectively connected with the air inlet of the oven body through flexible connecting pipes;
the two wide side plates of the oven box body are respectively provided with a pole piece socket, the pole piece sockets on the two wide side plates are mutually overlapped, the upper air chamber is positioned right above the lower air chamber, a pole piece inserting gap is arranged between the upper air chamber and the lower air chamber, and a pole piece to be dried is inserted into the oven box body through the pole piece socket on one wide side plate of the oven box body, penetrates through the pole piece inserting gap and then penetrates out of the pole piece socket on the other wide side plate of the oven box body;
a plurality of supporting seats are fixed on the side walls of the upper air chamber and the lower air chamber, an air chamber height adjusting screw is in threaded connection with each supporting seat, the top end of each air chamber height adjusting screw on the upper air chamber is fixed on a top plate of the oven body, and the bottom end of each air chamber height adjusting screw on the lower air chamber is fixed on a bottom plate of the oven body;
the bottom end of the upper air chamber and the top end of the lower air chamber are both of an open structure, air chamber air-equalizing plates are fixed in the upper air chamber adjacent to the bottom end of the upper air chamber and in the lower air chamber adjacent to the top end of the lower air chamber, a plurality of fixed air plates are arranged on the air chamber air-equalizing plates in a matrix manner, the upper air chamber is positioned under the corresponding air chamber air-equalizing plate and is fixed with a plurality of fixed air plates at intervals along the length direction of the upper air chamber, the lower air chamber is positioned over the corresponding air chamber air-equalizing plate and is fixed with a plurality of fixed air plates at intervals along the length direction of the lower air chamber, a plurality of air outlet plates are arranged between any two adjacent fixed air plates, the side surfaces of the air outlet plates in the width direction of the upper air chamber or the lower air chamber are both of an inclined surface structure, the two opposite side surfaces of the two adjacent air outlet plates are parallel to each other, and a slit air outlet is, waist-shaped holes are formed in the long side plates of the upper air chamber and the lower air chamber, bolt holes are formed in the side surfaces of the air outlet plates along the length direction of the upper air chamber or the lower air chamber, and each air outlet plate in the upper air chamber or the lower air chamber is fixed in the upper air chamber or the lower air chamber in a positioning mode through a fixing bolt penetrating through the waist-shaped holes and the bolt holes.
2. The coating oven uniform drying mechanism of claim 1, characterized in that: the mesh on the static pressure chamber air equalizing plate is of a waist hole structure, and the aperture ratio of the mesh on the static pressure chamber air equalizing plate is 40-50%.
3. The coating oven uniform drying mechanism of claim 1, characterized in that: two static guide plates which are parallel up and down are arranged in the oven static pressure chamber box body.
4. The coating oven uniform drying mechanism of claim 1, characterized in that: and an air valve actuator for driving the blades to rotate is arranged on the double-layer heat-insulating pipeline.
5. The coating oven uniform drying mechanism of claim 1, characterized in that: the air chamber guide plates with L-shaped arc bending structures are arranged on the upper air chamber and the lower air chamber and positioned at the air inlet, the air chamber guide plates are vertically arranged, the outer ends of the air chamber guide plates face the air inlet, and the inner ends of the air chamber guide plates extend into the upper air chamber or the lower air chamber.
6. The coating oven uniform drying mechanism of claim 1, characterized in that: the ventilation holes on the air chamber air-equalizing plate are round holes, and the opening rate of the ventilation holes on the air chamber air-equalizing plate is 25-30%.
7. The coating oven uniform drying mechanism of claim 1, characterized in that: the side surface of the air outlet plate along the width direction of the corresponding upper air chamber or the lower air chamber forms an included angle of 60 degrees with the horizontal plane.
8. The coating oven uniform drying mechanism of claim 7, characterized in that: the fixed air plate is of a trapezoidal bending structure, the bending angles of the two ends of the fixed air plate and the middle of the fixed air plate are 60 degrees respectively, any end of the fixed air plate is parallel to the side face of the adjacent air outlet plate along the width direction of the corresponding upper air chamber or the lower air chamber, and a slit air outlet is formed between any end of the fixed air plate and the side face of the adjacent air outlet plate.
9. The coating oven uniform drying mechanism of claim 8, characterized in that: the outer surface of the middle part of the fixed air plate and the outer surface of the air outlet plate facing the corresponding upper air chamber or the lower air chamber are positioned at the same horizontal height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010802757.8A CN111905999B (en) | 2020-08-11 | 2020-08-11 | Uniform drying mechanism of coating oven |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010802757.8A CN111905999B (en) | 2020-08-11 | 2020-08-11 | Uniform drying mechanism of coating oven |
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| Publication Number | Publication Date |
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| CN111905999A true CN111905999A (en) | 2020-11-10 |
| CN111905999B CN111905999B (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010802757.8A Active CN111905999B (en) | 2020-08-11 | 2020-08-11 | Uniform drying mechanism of coating oven |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113070194A (en) * | 2021-03-16 | 2021-07-06 | 惠州市赢合科技有限公司 | Oven with uniform air outlet |
| CN116447848A (en) * | 2023-06-15 | 2023-07-18 | 泉州市荣德机械科技有限公司 | Spinning shaping dryer capable of adjusting airflow based on centrifugal fan |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113070194A (en) * | 2021-03-16 | 2021-07-06 | 惠州市赢合科技有限公司 | Oven with uniform air outlet |
| CN116447848A (en) * | 2023-06-15 | 2023-07-18 | 泉州市荣德机械科技有限公司 | Spinning shaping dryer capable of adjusting airflow based on centrifugal fan |
| CN116447848B (en) * | 2023-06-15 | 2023-09-19 | 泉州市荣德机械科技有限公司 | Spinning shaping dryer capable of adjusting airflow based on centrifugal fan |
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| CN111905999B (en) | 2022-06-17 |
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