CN109282633B - Hot air type baking oven - Google Patents
Hot air type baking oven Download PDFInfo
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- CN109282633B CN109282633B CN201811316480.7A CN201811316480A CN109282633B CN 109282633 B CN109282633 B CN 109282633B CN 201811316480 A CN201811316480 A CN 201811316480A CN 109282633 B CN109282633 B CN 109282633B
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- hot air
- air ring
- hot
- wind
- ring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The utility model belongs to the field of pipe manufacture, in particular to hot-air type oven, including frame and hot-air ring upper portion and hot-air ring lower part that sets up in the frame, can realize opening and shutting the action, the inner circle of hot-air ring upper portion and hot-air ring lower part is the semicircle structure, after hot-air ring upper portion and hot-air ring lower part closure, whole middle part is annular structure, just annular structure's middle part forms the heating channel that is used for placing tubular product. The surface of the pipe is heated in a hot air mode, the defects in the prior art can be overcome, only the surface of the pipe or the reinforced material is heated, the requirements of a plastic composite process are met, and the performance of the material is guaranteed more favorably. The hot air heating mode is widely applied to the fields of plastic film production, packaging production lines and the like at present, is easy to realize, and controls the process to be mature.
Description
Technical Field
The application belongs to the field of pipeline manufacturing, and particularly relates to a hot air type oven.
Background
In the field of extruder composite pipe production, the process of compounding reinforced materials after heating is a common thermal compounding process, and a far infrared ceramic oven and an infrared lamp tube (IR) oven are generally adopted at present. The defects are respectively existed, the far infrared ceramic type baking oven: the heat efficiency is low, the preheating is generally carried out for a period of time, and the quick production requirement cannot be met; infrared lamp tube (IR) oven: the lamp tube has short service life (5000 hours imported, 3000 hours produced in China), and the damage is further aggravated by continuous 24-hour operation.
The prior patent is an utility model patent with the patent number of CN200620002782.3, the application date of 20060112 and the name of PE composite pipe production equipment, and the technical scheme is as follows: the PE composite pipe production equipment is used for producing composite pipes by taking steel wires as an intermediate layer, taking plastics as an inner layer and an outer layer and extrusion molding. The structure of the machine consists of an extruder 1, a machine head 2, a winding machine 3, an oven 4, a composite machine head 5, an extruder 6 and a tractor 7. The winding machine 3 is wound in the same direction by a single or a plurality of turntables 8. The plastic outlet 12 of the compound head 5 is set in a throttled pressurized form. The hot melt adhesive 14 is coated on the wound steel wire 9, and when the steel wire 9 coated with the hot melt adhesive 14 passes through the oven 4 and the composite machine head 5, the hot melt adhesive 14 is melted and bonded with the inner plastic pipe 11 and the outer plastic pipe 13. Although the production equipment of the composite pipe is improved, the internal structure of the adopted oven is not improved, and the oven with the existing structure is still adopted, so that the problems in the prior art still exist.
Disclosure of Invention
In order to solve the problems of the existing oven, a hot air type oven which heats the surface of a pipe or a reinforcing material, meets the requirements of a plastic composite process and is more beneficial to ensuring the material performance is provided.
In order to achieve the above purpose, the specific scheme of the present application is as follows:
a hot air oven, characterized in that: the hot air ring comprises a frame and a hot air ring upper part and a hot air ring lower part which are arranged on the frame and can realize opening and closing actions, wherein an inner ring of the hot air ring upper part and the hot air ring lower part is of a semicircular structure, after the hot air ring upper part and the hot air ring lower part are closed, the whole middle part is of an annular structure, and the middle part of the annular structure forms a heating channel for placing pipes. The purpose that hot-blast ring upper portion and hot-blast ring lower part can open and shut is convenient for take out the tubular product after heating.
The butt joint of the upper part of the hot air ring and the lower part of the hot air ring is in an open structure, and when the upper part of the hot air ring and the lower part of the hot air ring are closed, the open structures are aligned with each other and are communicated with each other to form a complete hot air ring.
Air inlets at the upper part and the lower part of the hot air ring are connected with air heaters.
The independent air groove type small air ring inside the hot air ring is annular.
Or the independent air groove type small air ring inside the hot air ring is spiral.
The hot air ring upper part and/or the hot air ring lower part are/is internally provided with a wind groove partition board, the wind groove partition board divides the hot air ring upper part and/or the hot air ring lower part into a plurality of independent wind grooves, and when the hot air ring upper part and the hot air ring lower part are closed, the corresponding wind grooves in the hot air ring upper part and the hot air ring lower part are communicated to form a plurality of complete small wind rings.
The air inlet direction of the air heater is arranged along the circumferential tangential direction of the hot air ring.
The wind groove partition plate at least comprises a semi-annular portion, the semi-annular portion is provided with a wind shield, the wind shield is located at an air outlet of the wind groove, and the wind shield is obliquely arranged. The inclined wind shielding sheets can separate hot air in each wind groove, speed up the flow rate of the hot air, and the fast belt reaches the surface of the heated pipe, so that the heat loss is minimized. In order to meet the process requirements, different structural changes are also convenient to be carried out on the hot air port in the later stage.
Each air outlet comprises a wind shielding piece, and all the wind shielding pieces incline towards the same direction.
Each air outlet comprises two wind shields, the two wind shields are respectively fixed on the adjacent wind groove partition plates, and the inclined directions of the two wind shields of the same air outlet are mutually symmetrical.
The plurality of air outlets comprise two wind shields, and the inclined directions of the two wind shields of the same air outlet are mutually symmetrical; the rest air outlets comprise a wind shield, and the wind shields are inclined towards the same direction. I.e. two different wind deflector structures of the air outlet are mixed.
The initial positions of the wind shields of the adjacent air outlets are obliquely arranged. The air outlet can be arranged in a mode of 2 or more sections of different inner diameters along the width direction, so that the reinforcing material is preheated before being wound on the surface of the pipe, and the reinforcing material is continuously heated when being wound on the pipe. Because the reinforcing wires come out of the wire separating device and are obliquely wound on the surface of the pipe at an angle, one form is that the front section firstly heats the reinforcing wires which are not wound on the pipe in a heating mode, and when the reinforcing wires are wound on the pipe, the rear section continuously heats the surface of the pipe, so that the reinforcing wires are always heated when the reinforcing wires are wound on the pipe, and the adhesiveness is enhanced.
The air heater is connected with the upper part of the hot air ring and/or the lower part of the hot air ring through a connecting section.
The upper part of the hot air ring and the lower part of the hot air ring are mutually hinged with the frame. The upper part of the hot air ring and the lower part of the hot air ring are opened and closed through the hinge on the frame, so that the adjustment and the pipe taking are convenient.
An insulating layer is arranged on the inner surface or the outer surface of the upper part of the hot air ring and/or the lower part of the hot air ring.
The working principle of the application is as follows:
the utility model provides a form hot-blast ring behind hot-blast ring upper portion and the hot-blast ring lower part closure, the pipe fitting passes from the heating channel in the middle of the hot-blast ring, and the wind groove baffle one-to-one in hot-blast ring upper portion and the hot-blast ring lower part separates a plurality of mutually independent little wind rings in hot-blast ring inside, through the air intake that the slant was arranged, makes the hot-blast in each little wind ring form the annular flow in theory, makes the air outlet heat even.
The application has the advantages that:
1. the surface of the pipe is heated in a hot air mode, the defects in the prior art can be overcome, only the surface of the pipe or the reinforced material is heated, the requirements of a plastic composite process are met, and the performance of the material is guaranteed more favorably. The hot air heating mode is widely applied to the fields of plastic film production, packaging production lines and the like at present, is easy to realize, and controls the process to be mature.
2. The whole hot-blast ring of this application is inside to have a plurality of annular wind grooves to constitute, can form hot-blast arrive tubular product surface fast simultaneously to heat evenly distributed heats the tubular product surface.
3. The annular wind groove air outlet equipment of the application has a plurality of forms of wind shielding rings, and the installation position and the structure of the wind shielding rings can be adjusted according to actual demands. The purpose of the wind shield is to accelerate heat up to the surface of the pipe and blow it away without creating turbulence.
4. The wind shield of this application sets up for the slope, and hot-blast import axis has certain contained angle with the perpendicular bisector promptly, and its main objective is the tangential direction of change along wind ring center circle improves the heating effect.
Drawings
Fig. 1 is a schematic structural diagram of the present application.
Fig. 2 is a schematic structural view of the present application when opened.
FIG. 3 is a partial cross-sectional view of A-A.
Fig. 4 to 7 are schematic views of a windshield structure.
In the accompanying drawings:
100-pipe, 1-frame, 2-hot air ring upper part, 3-hot air ring lower part, 4-air heater, 5-air duct partition plate, 6-wind shield, 7-air duct, 8-air outlet and 9-connecting section.
Detailed Description
Example 1
The hot air type baking oven comprises a rack 1, and a hot air ring upper part 2 and a hot air ring lower part 3 which are arranged on the rack 1 and can realize opening and closing actions, wherein inner rings of the hot air ring upper part 2 and the hot air ring lower part 3 are of semicircular structures, after the hot air ring upper part 2 and the hot air ring lower part 3 are closed, the whole middle part is of an annular structure, and a heating channel for placing a pipe 100 is formed in the middle part of the annular structure. The purpose of the openable and closable upper part 2 and lower part 3 of the hot air ring is to facilitate the removal of the heated pipe 100. The hot air ring is formed after the hot air ring upper part 2 and the hot air ring lower part 3 are closed, the pipe fitting penetrates through a heating channel in the middle of the hot air ring, the air groove partition plates 5 in the hot air ring upper part 2 and the hot air ring lower part 3 are in one-to-one correspondence, a plurality of mutually independent small air rings are separated in the hot air ring, and through the air inlets which are obliquely arranged, hot air in each small air ring theoretically forms annular flow, so that the heat of the air outlet 8 is uniform.
The surface of the pipe 100 is heated in a hot air mode, so that the defects in the prior art can be overcome, only the surface of the pipe 100 or the reinforced material is heated, the requirements of a plastic composite process are met, and the performance of the material is guaranteed more favorably. The hot air heating mode is widely applied to the fields of plastic film production, packaging production lines and the like at present, is easy to realize, and controls the process to be mature.
Example 2
The hot air type baking oven comprises a rack 1, and a hot air ring upper part 2 and a hot air ring lower part 3 which are arranged on the rack 1 and can realize opening and closing actions, wherein inner rings of the hot air ring upper part 2 and the hot air ring lower part 3 are of semicircular structures, after the hot air ring upper part 2 and the hot air ring lower part 3 are closed, the whole middle part is of an annular structure, and a heating channel for placing a pipe 100 is formed in the middle part of the annular structure. The purpose of the openable and closable upper part 2 and lower part 3 of the hot air ring is to facilitate the removal of the heated pipe 100.
The butt joint of the hot air ring upper part 2 and the hot air ring lower part 3 is of an open structure, and when the hot air ring upper part 2 and the hot air ring lower part 3 are closed, the open structures are aligned with each other and are communicated with each other to form a complete hot air ring.
Air inlets of the upper part 2 and the lower part 3 of the hot air ring are connected with a heater 4. The air heater 4 supplies hot air.
The hot air ring upper part 2 and/or the hot air ring lower part 3 are internally provided with air groove partition plates 5, the air groove partition plates 5 divide the interior of the hot air ring upper part 2 and/or the hot air ring lower part 3 into a plurality of independent air grooves 7, and when the hot air ring upper part 2 and the hot air ring lower part 3 are closed, the interiors of the hot air ring upper part 2 and the hot air ring lower part 3 are communicated with corresponding air grooves 7 to form a plurality of complete small air rings.
For the structure inside the hot air ring, one scheme is: the independent air groove type small air ring inside the hot air ring is spiral. The inside of the hot air ring forms a spiral independent air groove, the inside of the hot air ring is of a complete spiral structure, and hot air heats the pipe through the spiral air groove.
Another scheme is as follows: the independent small air rings with a plurality of air grooves are arranged in the hot air ring.
The air inlet direction of the air heater 4 is arranged along the circumferential tangential direction of the hot air ring, and at the moment, the hot air entering the hot air ring from the upper part 2 and/or the lower part 3 of the hot air ring can not influence each other, so that the best effect is obtained.
The wind groove baffle 5 comprises a straight line part and a semi-annular part connected with the straight line part, the whole structure is similar to the upper part 2 of the hot air ring or the lower part 3 of the hot air ring, a wind shield 6 is arranged at the junction of the semi-annular part and the straight line part, the wind shield 6 is positioned at an air outlet 8 of the wind groove 7, and the wind shield 6 is obliquely arranged. The inclined wind shielding sheets 6 can separate hot air in each wind groove 7, accelerate the flow rate of the hot air, and quickly reach the surface of the heated pipe 100, so that heat loss is minimized. In order to meet the process requirements, different structural changes are also convenient to be carried out on the hot air port in the later stage.
According to different requirements, the duct partition plate 5 can also only keep a semi-annular part, and a straight line part is omitted.
As shown in fig. 4, each air outlet 8 includes one wind shielding sheet 6, and all wind shielding sheets 6 are inclined in the same direction.
As shown in fig. 5, each air outlet 8 includes two wind shielding pieces 6, the two wind shielding pieces 6 are respectively fixed on the adjacent wind groove partition plates 5, and the oblique directions of the two wind shielding pieces 6 of the same air outlet 8 are symmetrical to each other. The air outlet 8 in fig. 5 is along the radial direction of the pipe 100, and the wind shield 6 narrows the air outlet of the air slot 7 to form wind pressure so as to be ready to reach the surface of the pipe 100 quickly and output heat. The principle of hot air heating has three necessary conditions: temperature, air volume and air pressure.
As shown in fig. 6, the plurality of air outlets 8 includes two wind shielding pieces 6, and the inclined directions of the two wind shielding pieces 6 of the same air outlet 8 are symmetrical to each other; the remaining air outlets 8 comprise a wind deflector 6, said wind deflector 6 being inclined in the same direction. I.e. two different configurations of the wind deflector 6 of the wind outlet 8 are mixed.
As shown in fig. 7, the initial position of the wind shielding plate 6 adjacent to the air outlet 8 is obliquely arranged. The winding wires are wound obliquely along the outer wall of the core tube of the pipe fitting, the oblique line part in fig. 7 is the direction indication of the projection angle of the winding wires, and the straight line is the direction indication of the outer wall of the core tube. The air outlet 8 may be arranged in 2 or more sections of different inner diameters in the width direction so that the reinforcing material is preheated before being wound around the surface of the pipe 100 and continues to be heated when being wound around the pipe 100. Because the reinforcing wires come out of the wire dividing device and are obliquely wound on the surface of the pipe 100 at an angle, one form is that the front section firstly heats the reinforcing wires which are not wound on the pipe 100 in a heating way, and the rear section continuously heats the surface of the pipe 100 when the reinforcing wires are wound on the pipe 100, so that the reinforcing wires are always heated when the reinforcing wires are wound on the pipe 100, and the adhesiveness is enhanced.
The air heater 4 is connected with the upper part 2 and/or the lower part 3 of the hot air ring through a connecting section 9.
The upper part 2 of the hot air ring and the lower part 3 of the hot air ring are hinged with the frame 1. The upper part 2 of the hot air ring and the lower part 3 of the hot air ring are opened and closed through the hinge on the frame 1, thereby being convenient for adjusting and taking out the pipe.
The inner surface or the outer surface of the upper part 2 and/or the lower part 3 of the hot air ring is/are provided with an insulating layer. The heat-insulating layer can be made of heat-insulating cotton, asbestos or foaming materials commonly used in the field.
The hot air ring is formed after the hot air ring upper part 2 and the hot air ring lower part 3 are closed, the pipe fitting penetrates through a heating channel in the middle of the hot air ring, the air groove partition plates 5 in the hot air ring upper part 2 and the hot air ring lower part 3 are in one-to-one correspondence, a plurality of mutually independent small air rings are separated in the hot air ring, and through the air inlets which are obliquely arranged, hot air in each small air ring theoretically forms annular flow, so that the heat of the air outlet 8 is uniform.
The surface of the pipe 100 is heated in a hot air mode, so that the defects in the prior art can be overcome, only the surface of the pipe 100 or the reinforced material is heated, the requirements of a plastic composite process are met, and the performance of the material is guaranteed more favorably. The hot air heating mode is widely applied to the fields of plastic film production, packaging production lines and the like at present, is easy to realize, and controls the process to be mature.
The whole hot air ring is internally provided with a plurality of annular air grooves 7, so that hot air can be simultaneously formed, and the surface of the pipe 100 is heated. The wind shielding ring of the multiple forms is arranged at the air outlet 8 of the annular wind groove 7, and the installation position and the structure of the wind shielding ring can be adjusted according to actual requirements. The purpose of the wind deflector 6 is to accelerate the heat up to the surface of the pipe 100 and blow it away along the surface of the pipe 100 without creating turbulence. The wind shielding piece 6 of the application is obliquely arranged, namely, the axis of the hot air inlet and the perpendicular bisector form a certain included angle, and the main purpose of the wind shielding piece is to change the tangential direction along the center circle of the wind ring and improve the heating effect.
Claims (10)
1. A hot air oven, characterized in that: the hot air ring comprises a frame (1), and a hot air ring upper part (2) and a hot air ring lower part (3) which are arranged on the frame (1) and can realize opening and closing actions, wherein the inner rings of the hot air ring upper part (2) and the hot air ring lower part (3) are of semicircular structures, the whole middle part of the hot air ring upper part (2) and the hot air ring lower part (3) are of annular structures after being closed, and a heating channel for placing a pipe (100) is formed in the middle part of the annular structures;
the butt joint of the hot air ring upper part (2) and the hot air ring lower part (3) is of an open structure, and when the hot air ring upper part (2) and the hot air ring lower part (3) are closed, the open structures are aligned with each other and are communicated with each other to form a complete hot air ring;
a duct partition board (5) is arranged in the upper part (2) and/or the lower part (3) of the hot air ring, the duct partition board (5) divides the interior of the upper part (2) and/or the lower part (3) of the hot air ring into a plurality of independent ducts (7), and when the upper part (2) and the lower part (3) of the hot air ring are closed, the corresponding ducts (7) in the interior are communicated to form a plurality of complete small air rings;
the wind groove partition plate (5) at least comprises a semi-annular portion, the semi-annular portion is provided with a wind shielding piece (6), the wind shielding piece (6) is located at an air outlet (8) of the wind groove (7), and the wind shielding piece (6) is obliquely arranged.
2. A hot air oven according to claim 1, characterized in that: air inlets of the upper part (2) and the lower part (3) of the hot air ring are connected with air heaters (4).
3. A hot air oven according to claim 1, characterized in that: the independent air groove type small air ring inside the hot air ring is annular.
4. A hot air oven according to claim 1, characterized in that: the independent air groove type small air ring inside the hot air ring is spiral.
5. A hot air oven according to claim 2, characterized in that: the air inlet direction of the air heater (4) is arranged along the circumferential tangential direction of the hot air ring.
6. A hot air oven according to claim 5, characterized in that: each air outlet (8) comprises a wind shielding piece (6), and all the wind shielding pieces (6) incline towards the same direction.
7. A hot air oven according to claim 1, characterized in that: each air outlet (8) comprises two wind shields (6), the two wind shields (6) are respectively fixed on the adjacent wind groove partition plates (5), and the inclined directions of the two wind shields (6) of the same air outlet (8) are mutually symmetrical.
8. A hot air oven according to claim 1, characterized in that: the plurality of air outlets (8) comprise two wind shields (6), and the inclined directions of the two wind shields (6) of the same air outlet (8) are mutually symmetrical; the remaining air outlets (8) comprise a wind shield (6), and the wind shields (6) are inclined towards the same direction.
9. A hot air oven according to claim 1, characterized in that: the initial position of the wind shielding piece (6) adjacent to the air outlet (8) is obliquely arranged.
10. A hot air oven according to claim 1, characterized in that: the inner surface or the outer surface of the upper part (2) of the hot air ring and/or the lower part (3) of the hot air ring is provided with an insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811316480.7A CN109282633B (en) | 2018-11-07 | 2018-11-07 | Hot air type baking oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811316480.7A CN109282633B (en) | 2018-11-07 | 2018-11-07 | Hot air type baking oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109282633A CN109282633A (en) | 2019-01-29 |
| CN109282633B true CN109282633B (en) | 2023-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811316480.7A Active CN109282633B (en) | 2018-11-07 | 2018-11-07 | Hot air type baking oven |
Country Status (1)
| Country | Link |
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| CN (1) | CN109282633B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110122779A (en) * | 2019-04-18 | 2019-08-16 | 东莞清溪华晖电器有限公司 | Corn popper |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204678825U (en) * | 2015-05-31 | 2015-09-30 | 江苏神涛环保科技有限公司 | A kind of air dry oven |
| CN207535176U (en) * | 2017-11-10 | 2018-06-26 | 山东陆宇塑胶工业有限公司 | A kind of dry pipe production device of surface wind |
| CN207963434U (en) * | 2017-12-28 | 2018-10-12 | 山东陆宇塑胶工业有限公司 | Additional whirlwind hot air drying device |
| CN208042681U (en) * | 2018-03-05 | 2018-11-02 | 河北联合制药有限公司 | A kind of freeze-drying production of raw medicine hot-air oven |
| CN209147703U (en) * | 2018-11-07 | 2019-07-23 | 成都金石新材料科技有限公司 | A kind of hot air type baking oven |
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2018
- 2018-11-07 CN CN201811316480.7A patent/CN109282633B/en active Active
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| CN109282633A (en) | 2019-01-29 |
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Effective date of registration: 20190429 Address after: 610000 Industrial Centralized Development Zone of Southwest Airport Economic Development Zone, Shuangliu District, Chengdu City, Sichuan Province Applicant after: Chengdu Jinshi New Material Technology Co.,Ltd. Address before: 610200 Wanjia Community, Jiujiang Town, Shuangliu District, Chengdu City, Sichuan Province Applicant before: SICHUAN GOLDSTONE ORIENT NEW MATERIAL EQUIPMENT Inc. |
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Address after: 610225 Six Stages of Industrial Centralized Development Zone of Southwest Airport Economic Development Zone, Shuangliu District, Chengdu City, Sichuan Province Applicant after: Sichuan Jinshi Oriental New Material Technology Co.,Ltd. Address before: 610000 Industrial Centralized Development Zone of Southwest Airport Economic Development Zone, Shuangliu District, Chengdu City, Sichuan Province Applicant before: Chengdu Jinshi New Material Technology Co.,Ltd. |
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