Drying system of hot blast stove

By introducing diffusion channels and inlet valves into the hot air drying system to control the distribution of hot air, combined with a compact structural design and a dust collector to treat the flue gas, the problems of uneven hot air and insufficient environmental performance are solved, achieving a high-efficiency, energy-saving and environmentally friendly drying effect.

CN223596381UActive Publication Date: 2025-11-25DEQING DEV ZONE SANJIANG BIOLOGICAL DEV CO LTD
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Patent Information

Application Number
CN202423294159.7
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 furnace drying systems suffer from problems such as uneven hot air distribution leading to inconsistent material drying effects, complex structure making maintenance difficult, and insufficient environmental performance.

Method used

The design incorporates diffusion channels and inlet dampers to control the uniform distribution of hot air. Combined with the compact layout of the hot air furnace, fan, and heated bed, a dust collector is provided to treat the flue gas. An insulation layer is used to reduce heat loss, and a fuel hopper facilitates fuel replenishment. Track foundations and pit ladders are provided to facilitate material transportation and maintenance.

Benefits of technology

This achieves uniform distribution of hot air within the heated kang (a traditional heated bed), improving drying efficiency and quality, reducing energy consumption and maintenance costs, decreasing smoke and dust emissions, and enhancing the system's environmental performance and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of drying equipment, in particular to a hot blast stove drying system which comprises a plurality of hot kang bodies, equipment pits are arranged outside the hot kang bodies, a plurality of hot blast assemblies are installed in the equipment pits, the output ends of the hot blast assemblies are connected to the hot kang bodies through hot blast pipes, and diffusion channels are arranged at the ends, connected with the hot blast pipes, of the hot kang bodies. The hot air assembly comprises a hot air furnace, the air outlet end of the hot air furnace is connected to a fan through a hot air outlet pipe, and the air outlet end of the fan is connected to a hot air pipe. According to the hot-blast stove drying system, by means of the diffusion channel and the air inlet air valve, the mode and flow of hot air entering the heated brick bed can be accurately controlled, and it is guaranteed that the hot air is evenly distributed in the heated brick bed. Therefore, the drying efficiency is improved, the materials are dried more uniformly, and the drying quality is improved. The hot-blast stove drying system is compact in structure, reasonable in layout of the hot-blast assembly, the hot-blast pipe, the hot kang and other components, and easy to mount and dismount.
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Description

TECHNICAL FIELD

[0001] The utility model relates to drying equipment technical field, specifically, relate to a hot blast stove drying system. BACKGROUND

[0002] In the fields of agriculture, industry and food processing, drying is a crucial link. Traditional drying methods often rely on natural drying or simple heating equipment, which not only has low efficiency, but also has high energy consumption, and is difficult to meet the needs of large-scale production. Especially in the case of needing to quickly and uniformly dry a large amount of materials, the traditional method is more insufficient.

[0003] With the progress of science and technology, hot blast stove drying system gradually becomes an efficient and energy-saving drying solution. However, the existing hot blast stove drying system still has some shortcomings. For example, the hot air distribution of some systems is uneven, resulting in inconsistent drying effect of materials; some systems have complex structure and difficult maintenance, which increases the use cost. In addition, some hot blast stove drying systems also have shortcomings in environmental protection, such as improper exhaust gas treatment, which easily causes environmental pollution. SUMMARY

[0004] The purpose of the utility model is to provide a hot blast stove drying system to solve the problem of uneven hot air distribution of some systems in the background art, resulting in inconsistent drying effect of materials; some systems have complex structure and difficult maintenance, which increases the use cost.

[0005] To achieve the above purpose, the utility model provides a hot blast stove drying system, which comprises a plurality of hot beds, the outer part of the hot bed is provided with a device pit, a plurality of hot air components are installed in the device pit, the output end of the hot air component is connected to the hot bed through a hot air pipe, one end of the hot air pipe connected to the hot bed is provided with a diffusion channel, a screen is installed on the upper part of the hot bed, the hot air component comprises a hot blast stove, the air outlet end of the hot blast stove is connected to a fan through a hot air outlet pipe, and the air outlet end of the fan is connected to the hot air pipe.

[0006] In this embodiment, the diffusion channel is provided with an air inlet close to the hot air pipe, and a air valve is installed at the air inlet.

[0007] Specifically, the bottom of the hot bed is provided with a heat preservation layer.

[0008] Further, a feeding bin is installed on one side of the hot blast stove.

[0009] Further, the smoke outlet of the hot blast stove is connected to a smoke pipe through a smoke extractor, the outer end of the smoke pipe is connected to a dust collector, and the smoke outlet of the dust collector is connected to a chimney.

[0010] Further, the equipment pit is installed with a pit ladder near the side edge.

[0011] Further, the equipment pit is installed with a track foundation for the sliding of the rail car near the side edge of the hot bed.

[0012] Further, the hot bed is installed with a sewage pool retaining wall outside near the side of the sewage pool.

[0013] Compared with the prior art, the utility model has the beneficial effects of:

[0014] In the hot blast furnace drying system, the diffusion channel and the air inlet valve are arranged, the utility model can accurately control the way and flow of the hot air entering the hot bed, and ensures that the hot air is uniformly distributed in the hot bed. This not only improves the drying efficiency, but also makes the material drying more uniform, and improves the drying quality.

[0015] The hot blast furnace drying system has a compact structure, and the hot air assembly, the hot air pipe and the hot bed are reasonably arranged and easy to install and disassemble. At the same time, the design of the equipment pit provides convenience for the maintenance and repair of the system, and reduces the use cost.

[0016] As the core component of the system, the hot blast furnace has high efficient combustion and heat conversion capacity, and cooperates with the forced air supply of the fan, so that the system can quickly reach the required drying temperature and keep stable. This not only improves the drying speed, but also greatly reduces the energy consumption.

[0017] The utility model introduces the flue gas generated by the hot blast furnace into the smoke pipe through the smoke machine, and then discharges it into the chimney after being treated by the dust collector, effectively reducing the smoke dust emission and reducing the pollution to the environment. At the same time, the design of the feeding bin also facilitates the fuel supplement of the hot blast furnace, reduces the fuel waste and emission.

[0018] The screen design on the upper part of the hot bed makes the system applicable to the drying of various materials, such as agricultural products and industrial products. At the same time, the track foundation and pit ladder in the equipment pit provide convenience for the transportation of materials and the operation of the system.

[0019] The heat preservation layer design at the bottom of the hot bed not only improves the drying efficiency, but also reduces the heat loss and reduces the influence on the surrounding environment during the operation of the system. At the same time, the setting of the sewage pool retaining wall also effectively prevents the erosion of the sewage to the system, improves the safety and stability of the system. DETAILED DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is a top view structure schematic diagram of the utility model;

[0021] Fig. 2 It is a structure schematic diagram of the hot air assembly in the utility model;

[0022] Fig. 3 It is a side internal structure schematic view of the utility model;

[0023] The meaning of each reference sign in the figure is:

[0024] 1, hot bed; 11, diffusion channel; 111, air inlet; 12, air valve; 13, heat preservation layer; 14, screen; 2, hot air pipe; 3, hot air assembly; 31, hot blast stove; 32, feeding bin; 33, hot air outlet pipe; 34, fan; 35, smoke extractor; 4, smoke pipe; 5, dust collector; 6, chimney; 7, equipment pit; 71, pit ladder; 72, track foundation; 8, sewage pool retaining wall. DETAILED DESCRIPTION

[0025] 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.

[0026] The utility model provides a kind of hot blast stove drying system, as shown in Figs. 1-3 It is shown, including several hot beds 1, the outside of hot bed 1 is provided with equipment pit 7, several hot air assemblies 3 are installed in equipment pit 7, the output end of hot air assembly 3 is connected to hot bed 1 by hot air pipe 2, one end of hot bed 1 connected hot air pipe 2 is provided with diffusion channel 11, the upper portion of hot bed 1 is installed with screen 14, and hot air assembly 3 includes hot blast stove 31, the air outlet end of hot blast stove 31 is connected to fan 34 by hot air outlet pipe 33, and the air outlet end of fan 34 is connected to hot air pipe 2. High-temperature hot air is generated by hot blast stove 31 in hot air assembly 3, and is pressurized and transported by hot air outlet pipe 33 and fan 34, and the hot air is efficiently transferred to hot bed 1. This design ensures the rapid and stable transfer of hot air, providing sufficient and stable heat source for the drying process.

[0027] One end of hot bed 1 connected hot air pipe 2 is provided with diffusion channel 11, and this design helps hot air to be evenly distributed in hot bed 1. Diffusion channel 11 can guide hot air to cover materials in a more extensive and uniform manner, thereby avoiding the problems of local overheating or uneven drying and improving the consistency of drying effect.

[0028] The upper portion of hot bed 1 is installed with screen 14, which makes the system flexible to adapt to materials of different shapes and sizes. Screen 14 not only helps the uniform spreading of materials, but also facilitates the penetration of hot air and the turning of materials, further improving the drying efficiency and effect.

[0029] The structure of the whole hot air oven drying system is compact, and the connection between the hot air assembly 3, the hot air pipe 2, the hot bed 1 and other components is simple and clear. This design not only saves space, but also facilitates daily maintenance and repair of the system, reduces the use cost and maintenance difficulty.

[0030] In this embodiment, the diffusion channel 11 is provided with an air inlet 111 near the hot air pipe 2, and the air valve 12 is installed at the air inlet 111. This design makes the entry of hot air more controllable. The air valve 12 can adjust the size of the air inlet 111, so as to accurately control the amount of hot air entering the hot bed 1. This helps to flexibly adjust the drying conditions according to the type, thickness and drying needs of the material, realizes more accurate drying control, improves the drying efficiency and quality.

[0031] Specifically, the bottom of the hot bed 1 is provided with a heat preservation layer 13. The heat preservation layer 13 is made of asbestos material, and the setting of the heat preservation layer 13 effectively reduces the heat loss at the bottom of the hot bed 1, improves the utilization efficiency of heat energy. It not only can keep the temperature in the hot bed 1 stable, but also can reduce the transmission of heat energy to the outside, so as to reduce the energy consumption and improve the overall energy efficiency of the drying system.

[0032] Further, one side of the hot air oven 31 is provided with a feeding bin 32. The design of the feeding bin 32 makes the fuel replenishment of the hot air oven 31 more convenient. It allows the operator to conveniently add fuel without affecting the normal operation of the hot air oven, thereby ensuring the continuity and stability of the drying system. At the same time, this also reduces the downtime of the system due to insufficient fuel, improves the production efficiency.

[0033] Further, the smoke outlet of the hot air oven 31 is connected to the smoke pipe 4 through the smoke extractor 35, the outer end of the smoke pipe 4 is connected to the dust collector 5, and the smoke outlet of the dust collector 5 is connected to the chimney 6. This smoke treatment system effectively reduces the emission of smoke and dust during the hot air oven drying process. The smoke extractor 35 sucks the flue gas into the smoke pipe 4, then filters it through the dust collector 5, and finally discharges it into the atmosphere through the chimney 6. This not only meets the environmental protection requirements, reduces the pollution to the environment, but also improves the environmental protection performance of the hot air oven drying system.

[0034] Further, the equipment pit 7 is provided with a pit ladder 71 near the side. The setting of the pit ladder 71 provides a convenient access for the operators to easily enter the equipment pit 7 for maintenance and repair work. This not only improves the maintenance efficiency, but also reduces the operation difficulty and safety hidden danger, ensures the stable operation of the hot air oven drying system.

[0035] Further, the equipment pit 7 is installed with a track foundation 72 for the sliding of the rail car near one side of the hot bed 1. The design of the track foundation 72 makes the material transportation more efficient and convenient. The rail car can freely slide on the track foundation 72 to transport materials from one place to another, thereby reducing the consumption of manpower and material resources. This is particularly important for large-scale and continuous drying operations, which can significantly improve production efficiency.

[0036] Further, the hot bed 1 is installed with a sewage pool retaining wall 8 outside near one side of the sewage pool. The sewage pool retaining wall 8 effectively prevents the erosion of the hot bed 1 and the drying system by sewage. It can isolate the sewage in a specific area to avoid direct contact between the sewage and the hot bed 1, thereby protecting the integrity and safety of the drying system. At the same time, it also reduces environmental pollution and safety hazards caused by sewage leakage.

[0037] The hot air oven drying system of the utility model in use, first hot air furnace 31 as the heat source of the system, through the burning of fuel to produce high temperature hot air. The hot air enters the fan 34 through the hot air outlet pipe 33 from the air outlet end of the hot air furnace 31. The fan 34 pressurizes the hot air, and then the hot air is transported to the hot bed 1 through the hot air pipe 2.

[0038] Before the hot air enters the hot bed 1, it first passes through the diffusion channel 11. The design of the diffusion channel 11 enables the hot air to cover the materials in the hot bed 1 more widely and uniformly. The air valve 12 at the air inlet 111 is used to adjust the amount of hot air entering. According to the type, thickness and drying requirements of the materials, the opening of the air valve 12 can be flexibly adjusted to realize precise drying control. The screen 14 on the upper part of the hot bed 1 allows the hot air to penetrate and helps the materials to spread evenly, facilitating uniform heating of the hot air and turning of the materials.

[0039] The heat preservation layer 13 at the bottom of the hot bed 1 is made of asbestos material, which effectively reduces heat loss and improves the utilization efficiency of heat energy. The heat preservation layer 13 keeps the temperature in the hot bed 1 stable, reducing the transfer of heat energy to the outside, thereby reducing energy consumption.

[0040] The feeding bin 32 on one side of the hot air furnace 31 facilitates the addition of fuel by the operator without affecting the normal operation of the hot air furnace. This ensures the continuity and stability of the drying system, reducing the downtime of the system due to insufficient fuel.

[0041] The smoke outlet of the hot air furnace 31 is connected to the smoke pipe 4 through the smoke extractor 35. The flue gas is transported to the dust collector 5 in the smoke pipe 4 for filtering treatment to remove dust particles. The flue gas treated by the dust collector 5 is discharged into the atmosphere through the chimney 6, meeting the environmental protection requirements and reducing the pollution to the environment.

[0042] The pit ladder 71 near the side of the equipment pit 7 provides a convenient access for the operator to enter the equipment pit 7 for maintenance and repair work. The compact structure design makes the connection between the hot air assembly 3, the hot air pipe 2, the hot bed 1 and other components simple and clear, reducing the difficulty of maintenance.

[0043] The track foundation 72 installed near the side of the hot bed 1 allows the track car to slide freely, facilitating the transportation of materials. The use of track cars reduces the consumption of manpower and material resources, improves production efficiency, and is particularly important for large-scale and continuous drying operations.

[0044] The sewage pool retaining wall 8 installed outside the hot bed 1 near the sewage pool effectively prevents the erosion of the hot bed 1 and the drying system by sewage. The sewage pool retaining wall 8 isolates the sewage in a specific area, protecting the integrity and safety of the drying system, reducing environmental pollution and safety hazards.

[0045] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A hot air furnace drying system, comprising several heated kilns (1), characterized in that: The heated kang (1) is provided with an equipment pit (7) on its exterior. Several hot air components (3) are installed in the equipment pit (7). The output end of the hot air components (3) is connected to the heated kang (1) through a hot air pipe (2). A diffusion channel (11) is provided at one end of the heated kang (1) connected to the hot air pipe (2). A screen (14) is installed on the upper part of the heated kang (1). The hot air components (3) include a hot air furnace (31). The air outlet end of the hot air furnace (31) is connected to a fan (34) through a hot air outlet pipe (33). The air outlet end of the fan (34) is connected to the hot air pipe (2).

2. The hot air furnace drying system according to claim 1, characterized in that: An air inlet (111) is provided near the hot air pipe (2) in the diffusion channel (11), and an air valve (12) is installed at the air inlet (111).

3. The hot air furnace drying system according to claim 1, characterized in that: The bottom of the heated kang (1) is provided with an insulation layer (13).

4. The hot air furnace drying system according to claim 1, characterized in that: A feeding hopper (32) is installed on one side of the hot air furnace (31).

5. The hot air furnace drying system according to claim 1, characterized in that: The exhaust port of the hot air furnace (31) is connected to the flue pipe (4) via the smoke induced draft fan (35), the outer end of the flue pipe (4) is connected to the dust collector (5), and the exhaust port of the dust collector (5) is connected to the chimney (6).

6. The hot air furnace drying system according to claim 1, characterized in that: A pit ladder (71) is installed near the side of the equipment pit (7).

7. The hot air furnace drying system according to claim 1, characterized in that: The equipment pit (7) is equipped with a track foundation (72) for the sliding of the track vehicle on one side near the heated kang (1).

8. The hot air furnace drying system according to claim 1, characterized in that: The heated kang (1) has a sewage pool retaining wall (8) installed on the outside of the side of the sewage pool near the sewage pool.