Hot air channel filtering device of food drying furnace
By designing a filtration device in the food drying oven, the filter material is used to filter and adsorb gaseous impurities, solving the problem of biscuit powder affecting the taste in circulating hot air. This achieves efficient impurity removal and convenient filter material replacement, thus improving production quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-03-27
AI Technical Summary
In the biscuit production process, the circulating hot air contains biscuit powder, which affects the taste of the subsequent biscuits. Existing technology is not able to effectively remove the impurities.
A filtration device for the hot air channel of a food drying oven was designed. By placing filter media in the insertion hopper and restricting the filter media with a limiting plate, the insertion hopper is inserted into the mounting hole groove of the insertion pipe and screwed in with a threaded head to achieve gas filtration and adsorption, removing impurities from the gas.
It effectively removes impurities from the gas, ensures the quality of the hot air used in circulation, facilitates the replacement of filter materials, and improves the taste of biscuits and production efficiency.
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Figure CN224050969U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to food drying technical field, especially a kind of food drying furnace hot air passage filter device. BACKGROUND
[0002] Hot air drying furnace is a kind of equipment using hot air to dry and dry, mainly divided into direct-fired high-purification hot air furnace and indirect heat transfer type hot air furnace two types.Hot air drying furnace, biscuit, is with cereal powder as main raw material, add sugar, oil and other raw materials, by powder (or slurry) adjusting, shaping, baking (or frying) and so on Process made food, and before or after cooking in product (or surface, or internal) add cream, egg white, cocoa, chocolate and so on Food;
[0003] Biscuit production process needs to use stove to dry and make, and hot air needs to be used in drying stove, but some biscuit powder is contained in circulating hot flow, and after circulation, it is easy to interfere with subsequent biscuits, affect taste. UTILITY MODEL CONTENTS
[0004] The utility model aims at above-mentioned problem and deficiency, and proposes a kind of food drying furnace hot air passage filter device: filter material is placed in plug-in bucket, limit plate limits filter material between plug-in bucket and limit plate, plug-in bucket is inserted into the mounting hole slot in plug-in pipe, filter material filters and adsorbs gas, removes impurity in gas, is convenient for circulation, is convenient for replacing filter material.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A kind of food drying furnace hot air passage filter device, including mounting frame, the mounting frame is respectively installed with air inlet pipe and heat preservation bucket, and both ends of air inlet pipe are equipped with filter structure, the side center of air inlet pipe is installed with fan, and the output of fan is connected with heat preservation bucket;Filter structure includes the thread groove being opened in the center of both ends of air inlet pipe, the threaded head being screwed in the thread groove, the plug-in pipe being welded in the center of threaded head, the filter cavity being opened in the center of plug-in pipe and threaded head and the mounting hole slot being opened in the outer wall of one side of plug-in pipe.
[0007] Preferably, the plug-in pipe is inserted with plug-in bucket at mounting hole slot, and the end top of plug-in bucket is equipped with containing cavity, and the limit plate is placed on the outer wall of the top of plug-in bucket.
[0008] Preferably, the limit plate and plug-in bucket are equipped with filter hole being distributed at equal distance at outer wall, and the both ends of threaded head and plug-in pipe are equipped with intercepting hole, and the handle is welded at the center of the outer wall of one end of threaded head.
[0009] Preferably, the top of one end of the plug-in bucket and the outer wall of the bottom are provided with plug-in grooves, and a sealing strip is slidably connected in the plug-in grooves, and one end of the sealing strip is in contact with the inner wall of the mounting hole groove.
[0010] Preferably, the top outer wall of the heat preservation barrel is connected with a conveying pipe, and the output end of the fan is communicated with the heat preservation barrel, and the inside of the heat preservation barrel is provided with a heating pipe.
[0011] Preferably, the heating pipe and the fan are connected with a switch through wires, and the switch is connected with a power supply through wires.
[0012] The beneficial effects of the present application are as follows:
[0013] The filter material is placed in the plug-in bucket, the limiting plate limits the filter material between the plug-in bucket and the limiting plate, the plug-in bucket is inserted into the mounting hole groove in the plug-in pipe, the plug-in pipe is screwed in the threaded groove through the threaded head, the filter material filters and adsorbs the gas, removes impurities in the gas, and is convenient for recycling and replacing the filter material. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 An unfolding structure schematic view of the filter device of the hot air passage of the food drying furnace is provided in the present application;
[0015] Fig. 2 An unfolding structure schematic view of the plug-in pipe of the filter device of the hot air passage of the food drying furnace is provided in the present application;
[0016] Fig. 3 An overall structure schematic view of the filter device of the hot air passage of the food drying furnace is provided in the present application.
[0017] In the drawing: 1 mounting frame, 2 air inlet pipe, 3 heat preservation barrel, 4 fan, 5 conveying pipe, 6 filtering structure, 7 threaded groove, 8 threaded head, 9 plug-in pipe, 10 filtering cavity, 11 handle, 12 intercepting hole, 13 mounting hole groove, 14 plug-in bucket, 15 limiting plate, 16 filtering hole, 17 plug-in groove, 18 sealing strip. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.
[0019] Embodiment:
[0020] Reference Figs. 1-3The utility model provides a kind of food drying stove hot air passage filter device, including mounting bracket 1, air inlet pipe 2 and heat preservation barrel 3 are respectively installed in mounting bracket 1, and both ends of air inlet pipe 2 are equipped with filter structure 6, and the side center of air inlet pipe 2 is equipped with fan 4, and the output end of fan 4 is connected with heat preservation barrel 3;Filter structure 6 includes the threaded groove 7 being opened in the center of both ends of air inlet pipe 2, the threaded head 8 being screwed in threaded groove 7, the plug-in pipe 9 being welded in the center of threaded head 8, the filter cavity 10 being opened in the center of plug-in pipe 9 and threaded head 8 and the mounting hole slot 13 being opened in the outer wall of one side of plug-in pipe 9, airflow enters filter cavity 10 and enters air inlet pipe 2 by intercepting hole 12, airflow is contacted with filter material in plug-in bucket 14 by filter hole 16, filter material filters and adsorbs gas, removes impurities in gas, facilitates recycling, and facilitates replacing filter material.
[0021] Plug-in pipe 9 is inserted with plug-in bucket 14 at mounting hole slot 13, and the top of one end of plug-in bucket 14 is equipped with containing cavity, and limiting plate 15 is placed on the top outer wall of plug-in bucket 14.
[0022] Limiting plate 15 and plug-in bucket 14 are equipped with filter hole 16 at outer wall, and both ends of threaded head 8 and plug-in pipe 9 are equipped with intercepting hole 12, and handle 11 is welded at the center of the outer wall of one end of threaded head 8, filter material in plug-in bucket 14 can be replaced after plug-in bucket 14 is pulled out of plug-in pipe 9 and limiting plate 15 is removed, facilitating replacement.
[0023] Plug-in slot 17 is opened in the top and bottom outer wall of one end of plug-in bucket 14, and sealing strip 18 is slidably connected in plug-in slot 17, one end of sealing strip 18 is in contact with the inner wall of mounting hole slot 13, plug-in bucket 14 is inserted in plug-in pipe 9 through mounting hole slot 13, sealing strip 18 is in contact with the inner wall of mounting hole slot 13 to seal, facilitating sealing, avoiding air leakage.
[0024] Heat preservation barrel 3 is connected with conveying pipe 5 at the top outer wall, and the output end of fan 4 is communicated with heat preservation barrel 3, and heating pipe is installed in the inside of heat preservation barrel 3.
[0025] Heating pipe and fan 4 are connected with switch through wire, and switch is connected with power supply through wire.
[0026] Working principle: when using, one end of the conveying pipe 5 is connected with the air inlet end of the drying furnace, the two ends of the air inlet pipe 2 are respectively connected with the air outlet end of the drying furnace, the drying furnace is alternately connected with the two ends of the air inlet pipe 2, the fan 4 starts to extract the gas through the air inlet pipe 2 and transports it into the heat preservation barrel 3, the heating pipe in the heat preservation barrel 3 heats, then the hot flow is blown by the fan 4 into the conveying pipe 5 and the drying furnace for recycling, the filter material is placed in the plug-in hopper 14, the limiting plate 15 limits the filter material between the plug-in hopper 14 and the limiting plate 15, the plug-in hopper 14 is inserted into the mounting hole slot 13 in the plug-in pipe 9, the plug-in pipe 9 is screwed in the threaded slot 7 through the threaded head 8, the airflow enters the filter cavity 10 through the intercepting hole 12 and enters the air inlet pipe 2, the airflow contacts the filter material in the plug-in hopper 14 through the filter hole 16, the filter material filters and adsorbs the gas, removes the impurities in the gas, facilitates recycling and replacement of the filter material.
[0027] The exemplary embodiments of the present application are described in detail in the embodiments with reference to the drawings. However, those skilled in the art can understand that various modifications and changes can be made to the above embodiments without departing from the concept of the present application, and various combinations of the technical features and structures of the present application can be made without departing from the scope of the present application, and the scope of the present application is determined by the appended claims. The foregoing description of the specific exemplary embodiments of the present application is not intended to limit the present application to the precise forms disclosed, and it is apparent that many modifications and changes can be made to the above teachings in light of the above teachings. The exemplary embodiments are selected and described for the purpose of explaining the specific principles of the present application and its practical application, so that those skilled in the art can implement and utilize various different exemplary embodiments of the present application and various different selections and changes. The scope of the present application is intended to be limited by the claims and their equivalents.
Claims
1. A filter device for hot air passage of a food drying oven, comprising a mounting frame (1), characterized in that, The mounting frame (1) is provided with an air inlet pipe (2) and a heat preservation barrel (3), both ends of the air inlet pipe (2) are provided with a filter structure (6), a fan (4) is installed at the center of one side of the air inlet pipe (2), and the output end of the fan (4) is connected with the heat preservation barrel (3); The filter structure (6) comprises a threaded groove (7) formed at the center of both ends of the air inlet pipe (2), a threaded head (8) threadedly connected in the threaded groove (7), a plug-in pipe (9) welded at the center of the threaded head (8), a filter cavity (10) formed at the center of the plug-in pipe (9) and the threaded head (8), and a mounting hole groove (13) formed in the outer wall of one side of the plug-in pipe (9).
2. A filter device for hot air passage of a food drying oven according to claim 1, characterized in that, The plug-in pipe (9) is provided with a plug-in hopper (14) at the mounting hole groove (13), one end of the top of the plug-in hopper (14) is provided with a containing cavity, and a limiting plate (15) is placed on the outer wall of the top of the plug-in hopper (14).
3. A filter device for hot air duct of a food drying oven according to claim 2, characterized in that, The limiting plate (15) and the plug-in hopper (14) are provided with filter holes (16) at the outer walls thereof, both ends of the threaded head (8) and the plug-in pipe (9) are provided with intercepting holes (12), and one end of the outer wall of the threaded head (8) is welded with a handle (11).
4. A filter device for hot air passage of a food drying oven according to claim 2, characterized in that, Both the top and the bottom outer walls of one end of the plug-in hopper (14) are provided with plug-in grooves (17), and a sealing strip (18) is slidably connected in the plug-in grooves (17), one end of the sealing strip (18) is in contact with the inner wall of the mounting hole groove (13).
5. A filter device for hot air passage of a food drying oven according to claim 1, characterized in that, The top outer wall of the heat preservation barrel (3) is connected with a conveying pipe (5), the output end of the fan (4) is communicated with the heat preservation barrel (3), and the heat preservation barrel (3) is internally provided with a heating pipe.
6. A filter device for hot air duct of a food drying oven according to claim 5, characterized in that, The heating pipe and the fan (4) are connected with a switch through wires, and the switch is connected with a power supply through wires.