Finned hot blast stove for energy-saving fruit and vegetable dryer

By integrating the hot air furnace into the drying room, the problem of heat loss is solved, achieving efficient heat utilization and extending equipment life.

CN223596203UActive Publication Date: 2025-11-25中安瑞仓(广东)智能机械有限公司
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Patent Information

Application Number
CN202423311568.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-11-25
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing hot air furnaces suffer from low heat utilization due to external heating, and heat is lost during transportation, affecting the drying effect.

Method used

The built-in finned tube hot air furnace is used, which is built into the drying room to prevent heat loss and improve the heat exchange efficiency to 95%.

Benefits of technology

It improves heat utilization, enhances drying performance and extends equipment lifespan, while saving fuel.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223596203U_ABST
Patent Text Reader

Abstract

The utility model discloses a finned hot-blast stove for an energy-saving fruit and vegetable dryer, which belongs to the technical field of dryers and comprises a base, a hearth is mounted in the center of the upper end of the base, heat exchange tubes are fixedly mounted on two sides of the upper end of the base, a top frame is mounted at the upper ends of the heat exchange tubes, and a second smoke exhaust pipe is mounted at the upper end of the top frame. According to the built-in finned tube type hot blast stove, the hot blast stove is arranged in the drying room, generated heat is completely stored in the drying room, the situation of heat loss is completely eradicated, the heat exchange effect can be improved to 95% by adopting the built-in finned tube type hot blast stove, the heat exchange efficiency is improved, and the heat exchange efficiency is improved. According to the mode, heat generated by the hot-blast stove is fully utilized, the energy-saving effect is better guaranteed, the heat in the hot-blast stove can be better exerted, and fuel saving and the service life of equipment are greatly prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of drying machine, concretely relates to a fin type hot blast stove for energy -saving fruit and vegetable drying machine. BACKGROUND

[0002] The fin type hot blast stove is widely applied in the field of fruit and vegetable drying and the like due to its efficient heat exchange capacity, environmental protection performance, rapid temperature rising speed and compact structure volume. It not only improves production efficiency and reduces energy consumption, but also helps to protect the environment, and is an indispensable part of modern drying technology.

[0003] The existing hot blast stove cannot guarantee the utilization rate of heat due to external heating. The heat is delivered to the drying box through the heat pipe in the heat exchange mode, and a part of the heat is lost during the delivery of the heat pipe. The drying effect of the material is relatively poor. UTILITY MODEL CONTENTS

[0004] To solve the problems in the above background art, the utility model provides a fin type hot blast stove for energy -saving fruit and vegetable drying machine, which has the characteristics of heat loss prevention by embedding the hot blast stove in the drying room to save all the generated heat inside the drying room.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a fin type hot blast stove for energy -saving fruit and vegetable drying machine, which comprises a base, a hearth is installed at the upper end center position of the base, heat exchange pipes are fixedly installed at the upper ends of both sides of the base, a top frame is installed at the upper end of the heat exchange pipe, a smoke exhaust pipe two is installed at the upper end of the top frame, a smoke exhaust fan is arranged at the other end of the smoke exhaust pipe two, a smoke exhaust pipe one is arranged at the side of the smoke exhaust fan, a biomass automatic feeding hopper is installed outside the hearth, a feeding conveying structure is installed at the connection between the biomass automatic feeding hopper and the hearth, and a hearth door fixing structure is arranged at the other side of the hearth.

[0006] Preferably, the feeding conveying structure comprises a driving motor, a fixed frame, a feeding frame, a conveying shell, a rotating shaft and a conveying auger, one side of the inside of the biomass automatic feeding hopper is fixedly connected with the feeding frame, the side of the feeding frame is fixedly connected with the fixed frame through screws, the other side of the fixed frame is fixedly connected with the driving motor through screws, the other side of the feeding frame is installed with the conveying shell outside the biomass automatic feeding hopper, the other end of the conveying shell extends into the inside of the hearth, the output end of the driving motor is provided with the rotating shaft in the inside of the conveying shell, and the surface of the rotating shaft is provided with the conveying auger.

[0007] Preferably, a drain pipe is installed at the lower end side of the conveying shell outside the biomass automatic feeding hopper.

[0008] Preferably, the upper end center position of the feeding frame is clamped at the lower end of the upper end internal feeding port of the biomass automatic feeding hopper.

[0009] Preferably, the furnace door fixing structure comprises a buckle, a furnace door body and a rotating shaft, the side edge of the furnace chamber is rotationally connected with the furnace door body, one side of the furnace door body is rotationally connected with the furnace chamber through the rotating shaft, and the other side of the furnace door body is fixedly connected with the furnace chamber through the buckle.

[0010] Preferably, the side edge upper end of the furnace door body is fixedly installed with an observation port through a screw.

[0011] Compared with the prior art, the biomass automatic feeding device has the beneficial effects that:

[0012] 1、The biomass automatic feeding device has the feeding conveying structure, which can make the material enter the inside of the feeding frame through the feeding port after being put into the inside of the biomass automatic feeding hopper, and then the material enters the inside of the furnace chamber through the conveying auger driven by the motor.

[0013] 2、The biomass automatic feeding device has the built-in hot blast stove, which can save all the heat generated in the drying room, prevent heat loss, and improve the heat exchange effect of the built-in finned tube type hot blast stove to 95%, so that the heat generated by the hot blast stove is fully utilized, the energy-saving effect is better guaranteed, and the device can better utilize the heat in the hot blast stove, which greatly improves the service life of the equipment in terms of fuel saving. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a perspective view of the biomass automatic feeding device;

[0015] Figure 2 It is a perspective view of the feeding conveying structure position of the biomass automatic feeding device;

[0016] Figure 3 It is a perspective sectional view of the feeding conveying structure of the biomass automatic feeding device;

[0017] Figure 4 It is a perspective view of the furnace door fixing structure position of the biomass automatic feeding device;

[0018] In the figure: 1, base; 2, biomass automatic feeding hopper; 3, hearth; 4, exhaust pipe one; 5, exhaust fan; 6, exhaust pipe two; 7, heat exchange pipe; 8, feeding conveying structure; 81, drain pipe; 82, driving motor; 83, fixed frame; 84, feeding frame; 85, conveying housing; 86, rotating shaft; 87, conveying auger; 9, furnace door fixing structure; 91, buckle; 92, furnace door body; 93, rotating shaft; 10, observation port; 11, top frame. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Embodiment 1

[0021] Please refer to Figures 1-4 The utility model provides the following technical scheme: an energy-saving finned hot blast stove for fruit and vegetable drying machine, including base 1, the upper end center position of base 1 is installed with hearth 3, the upper end both sides of base 1 are fixedly installed with heat exchange pipe 7, the upper end of heat exchange pipe 7 is installed with top frame 11, the upper end of top frame 11 is installed with exhaust pipe two 6, the other end of exhaust pipe two 6 is provided with exhaust fan 5, the side of exhaust fan 5 is provided with exhaust pipe one 4, the outside of hearth 3 is installed with biomass automatic feeding hopper 2, the connecting place of biomass automatic feeding hopper 2 and hearth 3 is installed with feeding conveying structure 8, the other side of hearth 3 is provided with furnace door fixing structure 9.

[0022] Specifically, feeding conveying structure 8 includes driving motor 82, fixed frame 83, feeding frame 84, conveying housing 85, rotating shaft 86 and conveying auger 87, one side of the inside of biomass automatic feeding hopper 2 is fixedly connected with feeding frame 84, the side of feeding frame 84 is fixedly connected with fixed frame 83 through screw, the other side of fixed frame 83 is fixedly connected with driving motor 82 through screw, the other side of feeding frame 84 is installed with conveying housing 85 outside biomass automatic feeding hopper 2, the other end of conveying housing 85 extends into the inside of hearth 3, the output end of driving motor 82 is provided with rotating shaft 86 inside conveying housing 85, the surface of rotating shaft 86 is provided with conveying auger 87,

[0023] By adopting the above technical scheme, the material is poured into the inside of the biomass automatic feeding hopper 2, the material will follow the feeding port in the inside of the biomass automatic feeding hopper 2 and enter the inside of the feeding frame 84, the driving motor 82 at the side of the fixing frame 83 is opened, the driving motor 82 drives the rotating shaft 86 in the conveying shell 85 to rotate through the output end, the rotating shaft 86 drives the conveying auger 87 to rotate, and the conveying auger 87 rotates to send the material into the inside of the hearth 3.

[0024] Specifically, the lower end side of the conveying shell 85 is provided with a drain pipe 81 outside the biomass automatic feeding hopper 2,

[0025] By adopting the above technical scheme, the water in the material will be discharged through the drain pipe 81 when the conveying auger 87 rotates.

[0026] Specifically, the upper end center of the feeding frame 84 is clamped at the lower end of the upper end feeding port in the inside of the biomass automatic feeding hopper 2,

[0027] By adopting the above technical scheme, the structure can facilitate the material to smoothly enter the inside of the feeding frame 84.

[0028] In use, the material is poured into the inside of the biomass automatic feeding hopper 2, the material will follow the feeding port in the inside of the biomass automatic feeding hopper 2 and enter the inside of the feeding frame 84, the driving motor 82 at the side of the fixing frame 83 is opened, the driving motor 82 drives the rotating shaft 86 in the conveying shell 85 to rotate through the output end, the rotating shaft 86 drives the conveying auger 87 to rotate, and the conveying auger 87 rotates to send the material into the inside of the hearth 3, and the water in the material will be discharged through the drain pipe 81 when the conveying auger 87 rotates.

[0029] Embodiment 2

[0030] The difference between the embodiment and the embodiment 1 is that the furnace door fixing structure 9 comprises a buckle 91, a furnace door body 92 and a rotating shaft 93, the side of the hearth 3 is rotationally connected with the furnace door body 92, one side of the furnace door body 92 is rotationally connected with the hearth 3 through the rotating shaft 93, and the other side of the furnace door body 92 is fixedly connected with the hearth 3 through the buckle 91,

[0031] By adopting the above technical scheme, by releasing the fixation of the buckle 91 on the furnace door body 92, the furnace door body 92 can be opened through the rotating shaft 93, so as to clean the dirt in the material in the hearth 3.

[0032] Specifically, the side upper end of the furnace door body 92 is fixedly provided with the observation port 10 through a screw,

[0033] By adopting the above technical scheme, the observation port 10 is arranged on the upper end of the side of the furnace door body 92, and the condition in the hearth 3 can be observed through the observation port 10.

[0034] In use, the fixing of the buckle 91 on the furnace door body 92 is released, the furnace door body 92 is driven to open through the rotating shaft 93, the material in the hearth 3 is cleaned, the observation port 10 is arranged on the upper end of the side of the furnace door body 92, and the condition in the hearth 3 can be observed through the observation port 10.

[0035] The working principle and use process of the utility model: the utility model in use, through the hot blast furnace built-in will produce the heat all saved in the drying room inside, the heat loss condition is eliminated, the built-in finned tube type hot blast furnace that adopts can raise heat exchange effect to 95%, this way makes full use of the heat generated by the hot blast furnace, better guarantee the energy saving effect, the device can better play the heat inside the hot blast furnace, not only in the fuel saving aspect but also in the service life of the equipment has a substantial improvement, the material will enter the inside of the feeding frame 84 along the feeding port of the biomass automatic feeding hopper 2 and enter the inside of the feeding frame 84, the driving motor 82 on the side of the fixing frame 83 is opened, the driving motor 82 drives the rotating shaft 86 in the conveying shell 85 to rotate through the output end, the rotating shaft 86 drives the conveying auger 87 to rotate, the conveying auger 87 rotates and thus the material is sent into the inside of the hearth 3, the moisture in the material will make the water be discharged through the drain pipe 81 when the conveying auger 87 rotates, the fixing of the buckle 91 on the furnace door body 92 is released, the furnace door body 92 is driven to open through the rotating shaft 93, thus the material in the hearth 3 is cleaned, the observation port 10 is arranged on the upper end of the side of the furnace door body 92, and the condition in the hearth 3 can be observed through the observation port 10.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A finned hot air furnace for an energy-saving fruit and vegetable dryer, comprising a base (1), a furnace chamber (3) installed at the center of the upper end of the base (1), heat exchange tubes (7) fixedly installed on both sides of the upper end of the base (1), a top frame (11) installed at the upper end of the heat exchange tubes (7), a second exhaust pipe (6) installed at the upper end of the top frame (11), an exhaust fan (5) provided at the other end of the second exhaust pipe (6), an exhaust pipe (4) provided on the side of the exhaust fan (5), and an automatic biomass feeding hopper (2) installed on the outer side of the furnace chamber (3), characterized in that: A feeding conveying structure (8) is installed at the connection between the biomass automatic feeding hopper (2) and the furnace (3), and a furnace door fixing structure (9) is provided on the other side of the furnace (3).

2. The finned hot air furnace for an energy-saving fruit and vegetable dryer according to claim 1, characterized in that: The feeding and conveying structure (8) includes a drive motor (82), a fixed frame (83), a feeding rack (84), a conveying housing (85), a rotating shaft (86), and a conveying auger (87). The feeding rack (84) is fixedly connected to one side of the biomass automatic feeding hopper (2). The fixed frame (83) is fixedly connected to the side of the feeding rack (84) by screws. The drive motor (82) is fixedly connected to the other side of the fixed frame (83) by screws. The conveying housing (85) is installed on the other side of the feeding rack (84) outside the biomass automatic feeding hopper (2). The other end of the conveying housing (85) extends into the interior of the furnace (3). The output end of the drive motor (82) is located inside the conveying housing (85) and a rotating shaft (86) is provided. The surface of the rotating shaft (86) is provided with a conveying auger (87).

3. The finned hot air furnace for an energy-saving fruit and vegetable dryer according to claim 2, characterized in that: A drain pipe (81) is installed on the lower side of the conveying housing (85) outside the biomass automatic feed hopper (2).

4. The finned hot air furnace for an energy-saving fruit and vegetable dryer according to claim 2, characterized in that: The upper center of the feed rack (84) is locked at the lower end of the upper internal feed port of the biomass automatic feed hopper (2).

5. The finned hot air furnace for an energy-saving fruit and vegetable dryer according to claim 1, characterized in that: The furnace door fixing structure (9) includes a buckle (91), a furnace door body (92), and a rotating shaft (93). The furnace door body (92) is rotatably connected to the side of the furnace chamber (3). One side of the furnace door body (92) is rotatably connected to the furnace chamber (3) through the rotating shaft (93), and the other side of the furnace door body (92) is fixedly connected to the furnace chamber (3) through the buckle (91).

6. The finned hot air furnace for an energy-saving fruit and vegetable dryer according to claim 5, characterized in that: An observation port (10) is fixedly installed on the upper side of the furnace door body (92) by screws.