Open type drying oven

By introducing an airflow guiding mechanism and a filter box into the open oven, a circulating air curtain is formed and the airflow is purified, thus solving the impact of odors and fumes on the health of operators and environmental hygiene, and improving the safety of the production environment.

CN223909896UActive Publication Date: 2026-02-13ANHUI SHENGQUANHUI NEW ENERGY TECHNOLOGY DEVELOPMENT CO LTD
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Patent Information

Application Number
CN202520296356.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2026-02-13
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

Open-type drying ovens produce odors and fumes during the drying process that can affect the health of operators. Furthermore, the mist can easily adhere to the equipment, creating a humid environment that can breed bacteria and compromise food safety.

Method used

An airflow guiding mechanism was designed, comprising a rectangular air inlet box, a rectangular air outlet box, and a filter box. It forms a circulating air curtain to block and guide odors and smoke, and uses the filter box for purification.

Benefits of technology

It effectively blocks and purifies the odors and fumes generated during the drying process, reduces the impact on operators, prevents fog adhesion, improves the hygiene of the production environment, and ensures food safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of drying ovens, and particularly relates to an open-type drying oven which comprises a drying oven body, an open-type drying space and a plurality of material frames, an air flow guiding mechanism is arranged on the outer side of the open-type drying oven and comprises a rectangular air inlet box and a rectangular air outlet box, and the rectangular air inlet box is provided with an air inlet. The rectangular air inlet box and the rectangular air outlet box are symmetrically distributed up and down, and the open type drying space is located between the rectangular air inlet box and the rectangular air outlet box; a circulating air curtain is applied to the periphery of the open type drying space through the rectangular air inlet box, the rectangular air outlet box and the filter box, so that odor and smoke generated in the open type drying space can be blocked and guided by the air curtain, outward scattering of the odor and the smoke is reduced, and therefore the situation that in the prior art, strong and special odor is released during drying, and the drying efficiency is improved is reduced. And the physical health of the operators may be affected even if the operators are exposed for a long time.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of drying oven, concretely relates to an open drying oven. BACKGROUND

[0002] In modern industry and food and drug processing and many other fields, open drying oven is widely used due to its obvious advantages such as convenient material feeding and discharging, easy observation of drying process, good air flow, simple equipment structure and low cost.

[0003] However, with the development of the industry and the increasing environmental protection requirements, open drying oven exposes a series of serious problems in practical application, which need to be solved. In many traditional Chinese medicine drying scenes, such as some traditional Chinese medicinal materials with volatile components, strong and special odors will be released during the drying process, which will bring discomfort to the operators and even affect their health in the long run.

[0004] Similarly, in the food drying process, especially some high-moisture food raw materials, a large amount of mist will be generated when heated. Due to the open connection between the open drying oven and the external environment, the mist is easy to adhere to the surrounding equipment, walls, floors and other environmental media. The moisture in the mist may cause the environment to be humid, breed bacteria, mold and other microorganisms, and damage the hygiene of the production environment, which may pose potential food safety hazards to subsequent production operations. UTILITY MODEL CONTENTS

[0005] The utility model provides an open drying oven, which has the characteristics of solving the influence of the odor and smoke generated by the material during the operation of the open drying oven on the external environment.

[0006] The utility model provides the following technical scheme: including open drying oven, the open drying oven includes drying oven machine body, open drying space and a plurality of material frame, the open drying oven outside is provided with airflow guide mechanism, the airflow guide mechanism includes rectangular air inlet tank and rectangular air outlet tank, rectangular air inlet tank and rectangular air outlet tank upside down position symmetry distribution, open drying space is between rectangular air inlet tank and rectangular air outlet tank, rectangular air inlet tank and rectangular air outlet tank opposite one end all are provided with four air vents, and eight air vents upside down vertical correspondence is arranged on the position, eight air vents inner wall all are installed with intercept net, rectangular air inlet tank and rectangular air outlet tank one end with corresponding intercept net surface flush, the open drying oven one side is installed with filter box, the filter box is drawn to rectangular air inlet tank inside, the filter box is exhausted to rectangular air outlet tank inside.

[0007] Among them, the open drying oven four sides are installed with triangular angle bead, triangular angle bead with on rectangular air outlet tank The air vent position corresponds.

[0008] The rectangular air outlet box is internally provided with a plurality of air deflectors, the air deflectors are vertically arranged with the rectangular air inlet box and the rectangular air outlet box, and the air deflectors correspond to the air vents.

[0009] The bottom side of the rectangular air inlet box is provided with two air extraction guide pipes, the two air extraction guide pipes each include a first L-shaped air pipe and a second L-shaped air pipe, the first L-shaped air pipes and the second L-shaped air pipes are in communication with the internal space of the rectangular air inlet box, one end of the second L-shaped air pipe is mounted to one side of the corresponding first L-shaped air pipe, the second L-shaped air pipe is in communication with the internal space of the corresponding first L-shaped air pipe, and one end of each of the first L-shaped air pipes is mounted to the side wall of the filter box.

[0010] The bottom side of the rectangular air inlet box is provided with two air extraction guide pipes, the two air extraction guide pipes each include a first L-shaped air pipe and a second L-shaped air pipe, the first L-shaped air pipes and the second L-shaped air pipes are in communication with the internal space of the rectangular air inlet box, one end of the second L-shaped air pipe is mounted to one side of the corresponding first L-shaped air pipe, the second L-shaped air pipe is in communication with the internal space of the corresponding first L-shaped air pipe, and one end of each of the first L-shaped air pipes is mounted to the side wall of the filter box.

[0011] The bottom side of the rectangular air inlet box is provided with two air extraction guide pipes, the two air extraction guide pipes each include a first L-shaped air pipe and a second L-shaped air pipe, the first L-shaped air pipes and the second L-shaped air pipes are in communication with the internal space of the rectangular air inlet box, one end of the second L-shaped air pipe is mounted to one side of the corresponding first L-shaped air pipe, the second L-shaped air pipe is in communication with the internal space of the corresponding first L-shaped air pipe, and one end of each of the first L-shaped air pipes is mounted to the side wall of the filter box.

[0012] The beneficial effects of the utility model are: through rectangular air inlet box, rectangular air outlet box and filter box, the circulating air curtain is applied to the open drying space periphery, the smell and smoke generated in the open drying space can be blocked and guided by the air curtain, the smell and smoke are reduced to scatter outward, thereby, the problem that the existing technology releases relatively strong and special smell during drying, brings discomfort to the operator, long-term exposure may affect the health of the operator, and the mist is easily attached to the surrounding equipment, wall, ground and other environmental media, the moisture in the mist may cause the environment to be damp, breed bacteria, mold and other microorganisms, destroy the sanitary condition of the production environment, and cause potential food safety hidden dangers to subsequent production operation is reduced.

[0013] The parts not involved in the device are the same as or can be realized by the prior art. DRAWINGS

[0014] Figure 1 It is a three-dimensional structure diagram of the utility model Figure 1 ;

[0015] Figure 2 It is a three-dimensional structure diagram of the utility model Figure 2 ;

[0016] Figure 3 It is the three-dimensional section structure schematic view of the rectangular air outlet tank in the utility model;

[0017] Figure 4 It is the three-dimensional enlarged structure schematic view of the filtering mechanism in the utility model;

[0018] Figure 5 It is the three-dimensional section structure schematic view of the rectangular air outlet tank in the utility model; Figure 1 It is the three-dimensional section structure schematic view of the rectangular air outlet tank in the utility model;

[0019] In the figure: 1, open oven; 11, oven body; 12, open drying space; 13, material frame; 14, triangular blocking strip; 2, airflow guide mechanism; 21, rectangular air inlet tank; 22, rectangular air outlet tank; 221, let position perforation; 23, air vent; 24, intercepting net; 25, air deflector; 4, filter box; 41, exhaust pipe; 42, filtering mechanism; 421, air inlet butt joint hole; 422, air outlet butt joint hole; 43, bottom plate; 5, air extraction guide pipeline; 51, first L-shaped air pipe; 52, second L-shaped air pipe. DETAILED DESCRIPTION

[0020] Please refer to Figures 1-5 The utility model provides the following technical scheme: including open oven 1, open oven 1 includes oven body 11, open drying space 12 and a plurality of material frames 13, open oven 1 outside is provided with airflow guide mechanism 2, airflow guide mechanism 2 includes rectangular air inlet tank 21 and rectangular air outlet tank 22, rectangular air inlet tank 21 and rectangular air outlet tank 22 upside-down position symmetry distribution, open drying space 12 is between rectangular air inlet tank 21 and rectangular air outlet tank 22, rectangular air inlet tank 21 and rectangular air outlet tank 22 relative one end all are provided with four air vents 23, and eight air vents 23 positions upside-down vertical correspondence, eight air vents 23 inner wall all are installed with intercepting net 24, rectangular air inlet tank 21 and rectangular air outlet tank 22 one end and corresponding intercepting net 24 surface flush, open oven 1 one side is installed with filter box 4, filter box 4 is to rectangular air inlet tank 21 inside air extraction, filter box 4 is to rectangular air outlet tank 22 inside exhaust.

[0021] In the embodiment, the open oven 1 bears and dries the materials through the oven body 11, the open drying space 12 and the plurality of material frames 13, the airflow guiding mechanism 2 guides the airflow from bottom to top through the rectangular air inlet box 21 and the rectangular air outlet box 22, the rectangular air inlet box 21 is slightly above the upper edge of the open drying space 12, the rectangular air outlet box 22 is slightly below the lower edge of the open drying space 12, which reduces the influence of the subsequent generated airflow on the internal space of the open drying space 12, the rectangular air inlet box 21 and the rectangular air outlet box 22 realize the exchange of internal and external airflow through the air vents 23 on them, the interception net 24 blocks the impurities in the internal and external space of the rectangular air inlet box 21 and the rectangular air outlet box 22, prevents the impurities from entering the rectangular air inlet box 21 and the rectangular air outlet box 22, and the interception net 24 is flush with the end of the rectangular air inlet box 21 and the rectangular air outlet box 22, which is convenient for cleaning, the rectangular air outlet box 22 discharges the airflow upward through the four air vents 23 thereon, and the airflow output by the four air vents 23 forms an air curtain outside the four direction openings of the open drying space 12, so that the odor and smoke generated in the open drying space 12 can be blocked and guided by the air curtain, reducing the external diffusion of the odor and smoke, and the upward flowing airflow of the odor and smoke scraps drifts towards the rectangular air inlet box 21, the rectangular air inlet box 21 receives the airflow in the air curtain through the four air vents 23 at the bottom thereof, the airflow carries the odor and smoke into the internal space of the rectangular air inlet box 21, and the extraction force of the filter box 4 acts on the internal space of the rectangular air inlet box 21, and the air pushing force of the filter box 4 acts in the rectangular air outlet box 22, the rectangular air inlet box 21 guides the smoke and odor in the airflow into the internal space of the filter box 4 for purification and filtration, thereby forming a cycle, thereby reducing the problem in the prior art that strong and special odor is released during drying, which brings discomfort to the operator, and long-term exposure may affect the health of the operator, and the mist is easily attached to the surrounding equipment, walls, floors and other environmental media, the moisture in the mist may cause the environment to be damp, breed microorganisms such as bacteria and mold, destroy the sanitary condition of the production environment, and cause potential food safety hazards to the subsequent production operation.

[0022] The open oven 1 is provided with triangular blocking strips 14 on four sides, and the triangular blocking strips 14 correspond to the positions of the air vents 23 on the rectangular air outlet box 22; the inclined surface below the triangular blocking strips 14 blocks and blocks the airflow discharged from the air vents 23 on the rectangular air outlet box 22 within a certain range, reduces the blowing of the upward flowing airflow into the open drying space 12, and reduces the interference.

[0023] A plurality of air deflectors 25 are installed in the rectangular air outlet box 22, the air deflectors 25 are arranged at a right angle with the rectangular air inlet box 21 and the rectangular air outlet box 22, the air deflectors 25 correspond to the air vents 23; when the rectangular air outlet box 22 discharges air flow through the air deflectors 25, the air deflectors 25 guide the air flow, so that the air flow can flow more accurately to the direction of the rectangular air inlet box 21 along the guide of the air deflectors 25, and the use stability is improved.

[0024] Two air extraction guide pipes 5 are arranged at the bottom side of the rectangular air inlet box 21, the two air extraction guide pipes 5 each include a first L-shaped air pipe 51 and a second L-shaped air pipe 52, the two first L-shaped air pipes 51 and the second L-shaped air pipes 52 each communicate with the internal space of the rectangular air inlet box 21, one end of the second L-shaped air pipe 52 is installed on one side of the corresponding first L-shaped air pipe 51, the second L-shaped air pipe 52 communicates with the internal space of the corresponding first L-shaped air pipe 51, and one end of each of the two first L-shaped air pipes 51 is installed on the side wall of the filter box 4; the filter box 4 extracts the air in the internal space of the rectangular air inlet box 21 through the air extraction guide pipes 5, the two first L-shaped air pipes 51 and the two second L-shaped air pipes 52 correspond to the four corners of the rectangular air inlet box 21, which is beneficial to keeping the extraction force of the filter box 4 on the rectangular air inlet box 21 uniform, thereby improving the extraction effect of odors and smoke in different directions.

[0025] Four let-in perforations 221 are arranged at the two ends of the ground of the rectangular air outlet box 22, the first L-shaped air pipe 51 is installed in the inner wall of the corresponding two let-in perforations 221, the first L-shaped air pipe 51 and the second L-shaped air pipe 52 do not communicate with the internal space of the rectangular air outlet box 22, and the filter box 4 is provided with an exhaust pipe 41 at the top end, which communicates with the internal space of the rectangular air outlet box 22; the rectangular air outlet box 22 positions the first L-shaped air pipe 51 and the second L-shaped air pipe 52 through the let-in perforations 221, so that the first L-shaped air pipe 51 and the second L-shaped air pipe 52 can pass through the rectangular air outlet box 22 to be connected with the filter box 4.

[0026] The filter box 4 is inserted with a filter mechanism 42, the filter mechanism 42 is provided with air inlet butt joints 421 on both sides which butt joint with the first L-shaped air pipe 51, the filter mechanism 42 is provided with an air outlet butt joint 422 at the top end which butt joint with the internal fan of the filter box 4, and the filter mechanism 42 is installed with a bottom plate 43 at the bottom end which is detachably connected with the bottom end of the filter box 4; the filter box 4 intercepts and purifies odors and smoke through the filter mechanism 42, the first L-shaped air pipe 51 sends air into the internal air inlet butt joints 421 through the filter mechanism 42, and the air is discharged from the air outlet butt joints 422 after being filtered by the filter mechanism 42, so that the purified air can be sent into the internal rectangular air outlet box 22 through the fan and the exhaust pipe 41 for discharge.

[0027] The utility model discloses a working principle and use flow: when drying material, material spreads along with the drying and produces smoke and smell to the open drying space 12 external direction diffusion, through the fan in the filter case 4 inside guiding airflow, filter case 4 is extracted to the air in rectangular air inlet tank 21 inside through the air extraction guide pipe 5, simultaneously, filter case 4 is sent airflow in rectangular air outlet tank 22 through the exhaust pipe 41, and the airflow of the air vent 23 output forms the wind curtain at the four directions opening place periphery of open drying space 12, so that the smell and smoke produced in open drying space 12 can be blocked and guided by the wind curtain, and the smell and smoke debris flow upward airflow drifts to rectangular air inlet tank 21 direction, and rectangular air inlet tank 21 receives the airflow in the wind curtain through four air vents 23 at its bottom, and the airflow carries smell and smoke into the internal space of rectangular air inlet tank 21, and one extraction one suction increases the collection effect of smoke and smell, and first L type air pipe 51 sends air into the air inlet butt joint hole 421 inside through filter mechanism 42, and after filtering mechanism 42 filters, air is discharged from the air outlet butt joint hole 422, so that the purified air can be sent into rectangular air outlet tank 22 inside through the fan and exhaust pipe 41 and be discharged.

Claims

1. An open oven, comprising an open oven (1) comprising an oven body (11), an open drying space (12) and a number of material frames (13), characterized in that: The open oven (1) is provided with an air flow guide mechanism (2) outside, the air flow guide mechanism (2) includes a rectangular air inlet box (21) and a rectangular air outlet box (22), the rectangular air inlet box (21) and the rectangular air outlet box (22) are vertically symmetrical, the open drying space (12) is between the rectangular air inlet box (21) and the rectangular air outlet box (22), four air vents (23) are formed in the opposite ends of the rectangular air inlet box (21) and the rectangular air outlet box (22), and the eight air vents (23) are vertically corresponding, the inner walls of the eight air vents (23) are provided with intercepting nets (24), and the ends of the rectangular air inlet box (21) and the rectangular air outlet box (22) are flush with the surfaces of the corresponding intercepting nets (24); a filter box (4) is installed on one side of the open oven (1), the filter box (4) is used for air extraction inside the rectangular air inlet box (21), and the filter box (4) is used for air exhaust inside the rectangular air outlet box (22).

2. An open oven according to claim 1, characterized in that: The open oven (1) is provided with a triangular blocking strip (14) on four sides, and the triangular blocking strip (14) corresponds to the position of the air vent (23) on the rectangular air outlet box (22).

3. An open oven according to claim 1, characterized in that: A plurality of air deflectors (25) are installed in the rectangular air outlet box (22), the air deflectors (25) are vertically arranged with the rectangular air inlet box (21) and the rectangular air outlet box (22), and the air deflectors (25) correspond to the positions of the air vents (23).

4. An open oven according to claim 1, characterized in that: The bottom side of the rectangular air inlet box (21) is provided with two air extraction guide pipes (5), the two air extraction guide pipes (5) each include a first L-shaped air pipe (51) and a second L-shaped air pipe (52), the first L-shaped air pipe (51) and the second L-shaped air pipe (52) are in communication with the internal space of the rectangular air inlet box (21), one end of the second L-shaped air pipe (52) is installed on one side of the corresponding first L-shaped air pipe (51), the second L-shaped air pipe (52) is in communication with the internal space of the corresponding first L-shaped air pipe (51), and one end of each of the first L-shaped air pipes (51) is installed on the side wall of the filter box (4).

5. An open oven according to claim 4, characterized in that: Four position allowing perforations (221) are formed in the ground on both ends of the rectangular air outlet box (22), the first L-shaped air pipe (51) is installed in the inner wall of the corresponding two position allowing perforations (221), the first L-shaped air pipe (51) and the second L-shaped air pipe (52) are not in communication with the internal space of the rectangular air outlet box (22), and an exhaust pipe (41) is arranged at the top end of the filter box (4), the exhaust pipe (41) is in communication with the internal space of the rectangular air outlet box (22).

6. An open oven according to claim 5, characterized in that: The filter box (4) is inserted with a filter mechanism (42) at the bottom, both sides of the filter mechanism (42) are provided with air inlet butt joint holes (421) butt joint with the first L-shaped air pipe (51), the top end of the filter mechanism (42) is provided with air outlet butt joint holes (422) butt joint with the internal fan of the filter box (4), the bottom end of the filter mechanism (42) is installed with a bottom plate (43), and the bottom plate (43) is detachably connected with the bottom end of the filter box (4).