Traditional Chinese medicinal material biomass drying hot air boiler

Abstract

A traditional Chinese medicine biomass drying hot air boiler belongs to the technical field of heat supply equipment and comprises a material box, a transmission device, a main combustion chamber and an air outlet, the material box is connected with the main combustion chamber through the transmission device, the upper portion of the main combustion chamber is connected with the air outlet through a heat exchange smoke pipe, and an axial flow fan and an induced draft fan are arranged on the heat exchange smoke pipe. And the axial flow fan is arranged at the reserved position of the axial flow fan. According to the utility model, remote intelligent control can be realized, the operation condition of the system can be displayed in real time, the condition of the traditional Chinese medicinal materials in the drying process can be accurately mastered and controlled, feeding, ignition, deslagging, temperature control, dehumidification and the like are all automatically operated, long-time continuous combustion can be realized, and meanwhile, the drying equipment adopts renewable energy sources and biomass forming granular fuel, so that zero carbon emission is achieved, and the environment is protected. The equipment meets the requirements of agricultural modernization, has remarkable effects in the aspects of improving the energy utilization efficiency, protecting the environment, promoting agricultural production modernization and the like, and has a wider application prospect along with continuous innovation and progress of the technology.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of heating equipment, and particularly relates to a traditional Chinese medicinal material biomass drying hot -blast boiler. BACKGROUND

[0002] Traditional Chinese medicinal material drying demand: traditional Chinese medicinal material needs to be dried after picking to be long -term preserved. Certain temperature and humidity need to be kept in the drying process to ensure the quality and medicinal effect of traditional Chinese medicinal material. Therefore, the drying link of traditional Chinese medicinal material is higher to the requirement of drying equipment.

[0003] Limitation of traditional drying method: although the natural drying method is simple and easy to operate, but the efficiency is low, is influenced by weather greatly, and it is difficult to guarantee the drying quality of traditional Chinese medicinal material. In addition, using traditional coal drying equipment, there are problems such as large energy consumption, environmental pollution.

[0004] In the field of traditional Chinese medicinal material drying, the traditional drying equipment has the technical defects such as uneven temperature control, limited humidity regulation capacity, difficult to control drying speed, low automation degree and low energy utilization rate, which leads to the damage of the quality of traditional Chinese medicinal material and directly affects the benefit and development of enterprises. In the prior art, the traditional Chinese medicinal material biomass drying hot -blast equipment has not been developed to accurately control the temperature in the drying process of traditional Chinese medicinal material, and automatically adjust, so that the color, nutrient composition and medicinal effect of traditional Chinese medicinal material cannot be maintained. UTILITY MODEL CONTENT

[0005] In order to solve the defects existing in the prior art, a traditional Chinese medicinal material biomass drying hot -blast boiler is provided, which comprises a material box, a conveying device, a main combustion chamber and an air outlet, the material box is connected with the main combustion chamber through the conveying device, the main combustion chamber is connected with the air outlet through heat exchange flue pipe at the top, the heat exchange flue pipe is provided with an axial flow fan and an induced draft fan, and the axial flow fan is arranged at the axial flow fan reserved position.

[0006] Further, the heat exchange flue pipe comprises a main combustion zone heat exchange flue pipe and a return flue pipe bundle, the main combustion chamber is connected with the main combustion zone heat exchange flue pipe at the top, and the main combustion zone heat exchange flue pipe is connected with the air outlet through the return flue pipe bundle.

[0007] Further, the conveying device comprises an upper screw conveyor and a lower screw conveyor, the material box is connected with the lower screw conveyor through the upper screw conveyor, a reciprocating grate device is arranged in the main combustion chamber, the lower discharge position of the lower screw conveyor is the upper feeding position of the reciprocating grate device, the reciprocating grate device is connected with a driving grate device, and an ignition rod is arranged in the main combustion chamber.

[0008] Further, the main combustion chamber is provided with a main combustion chamber ash removal door for ash removal.

[0009] Further, the main combustion zone heat exchange flue pipe is provided with a main combustion zone fin.

[0010] Furthermore, an arc-shaped return baffle for hot air diversion is provided on the main combustion chamber.

[0011] Furthermore, a main combustion zone cleaning door for cleaning is provided on the heat exchange flue pipe of the main combustion zone.

[0012] Furthermore, an upper return cleaning door for cleaning is provided above the return flue tube bundle, and a lower return cleaning door for cleaning is provided below the return flue tube bundle.

[0013] Furthermore, the return flue tube bundle is provided with a return built-in vane.

[0014] Furthermore, a return-flow built-in baffle is provided in the return-flow flue tube bundle.

[0015] The beneficial effects of this utility model are: compared with traditional equipment, this utility model meets the special requirements of the drying process in the processing of Chinese medicinal materials, thus "filling the gaps" in key links and areas of the industrial chain and supply chain. This utility model of biomass hot air drying equipment for Chinese medicinal materials has many significant advantages:

[0016] 1. Environmental friendliness: Low pollution and low emissions. Compared to traditional drying equipment, biomass briquettes have a significantly lower sulfur content than coal, and slightly lower nitrogen and ash content. This results in a substantial reduction in SO2, NOx, and soot during combustion. It can reduce dependence on traditional fossil fuels; the fuel is environmentally friendly and renewable, contributing to reduced environmental pollution.

[0017] 2. High thermal efficiency: It adopts multi-stage air distribution, multi-pass design and special grate structure design, which ensures complete combustion, low heat loss and thermal efficiency of over 90%.

[0018] 3. Intelligent and automated: This utility model can be equipped with an automatic temperature control function, which can automatically adjust the flame size according to the set hot air temperature, making it more energy-efficient. At the same time, it reduces the intensity of manual operation. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of a biomass hot air boiler for drying Chinese medicinal materials. Figure 1 ;

[0020] Figure 2 This is a schematic diagram of the structure of a biomass hot air boiler for drying Chinese medicinal materials. Figure 2 ;

[0021] Figure 3 This is a schematic diagram of the structure of a biomass hot air boiler for drying Chinese medicinal materials. Figure 3 .

[0022] 1. Feed hopper, 2. Upper auger, 3. Lower auger, 4. Reciprocating grate device, 5. Main combustion chamber, 6. Main combustion chamber ash removal door, 7. Drive grate device, 8. Main combustion zone fins, 9. Main combustion zone heat exchange flue, 10. Arc-shaped return baffle, 11. Feeding position, 12. Ignition rod, 13. Main combustion zone ash removal door, 14. Return upper ash removal door, 15. Return flue bundle, 16. Return built-in vane, 17. Return built-in baffle, 18. Reserved position for axial flow fan, 19. Air outlet, 20. Return zone lower ash removal door, 21. Induced draft fan. Detailed Implementation

[0023] A hot air boiler for drying biomass of traditional Chinese medicinal materials, such as Figures 1-3 As shown, a hot air boiler for drying biomass of Chinese medicinal materials includes a material box 1, a transmission device, a main combustion chamber 5, and an air outlet 19. The material box 1 is connected to the main combustion chamber 5 through the transmission device. The main combustion chamber 5 is connected to the air outlet 19 above through a heat exchange flue. An axial flow fan and an induced draft fan 21 are installed on the heat exchange flue. The axial flow fan is installed at the reserved position 18 of the axial flow fan.

[0024] The heat exchange flue includes a main combustion zone heat exchange flue 9 and a return flue tube bundle 15. The main combustion chamber 5 is connected to the main combustion zone heat exchange flue 9 above, and the main combustion zone heat exchange flue 9 is connected to the air outlet 19 through the return flue tube bundle 15.

[0025] The conveying device includes an upper auger 2 and a lower auger 3. The material box 1 is connected to the lower auger 3 through the upper auger 2. A reciprocating grate device 4 is installed in the main combustion chamber 5. The material feeding point of the lower auger 3 is the feeding position 11 of the reciprocating grate device 4. The reciprocating grate device 4 is connected to the driving grate device 7. An ignition rod 12 is installed in the main combustion chamber 5.

[0026] The main combustion chamber 5 is equipped with a main combustion chamber cleaning door 6 for cleaning ash.

[0027] The main combustion zone heat exchange flue 9 is provided with main combustion zone fins 8.

[0028] The main combustion chamber 5 is provided with an arc-shaped return baffle 10 for hot air diversion.

[0029] The main combustion zone heat exchange flue 9 is provided with a main combustion zone ash removal door 13 for ash removal.

[0030] The return flue tube bundle 15 is provided with an upper return ash cleaning door 14 for ash cleaning above it, and a lower return ash cleaning door 20 for ash cleaning is provided below it.

[0031] The return flue tube bundle 15 is provided with a return built-in vane 16.

[0032] The return flue tube bundle 15 is provided with a return built-in baffle 17.

[0033] The functions of each component are as follows:

[0034] The function of material bin 1 is to store boiler fuel.

[0035] The upper auger 2 is connected to the hopper 1, and its function is to transport fuel to the lower auger 2.

[0036] The lower auger 3 is connected to the upper auger 2, and its function is to transport fuel to the reciprocating grate device 4 for combustion.

[0037] The reciprocating grate device 4 is connected to the main combustion chamber 5, and its function is to ensure that the material is fully burned.

[0038] The main combustion chamber 5 is the fuel combustion zone.

[0039] The ash removal door 6 of the main combustion chamber is connected to the main combustion chamber 5 and its function is to clean the furnace ash and slag.

[0040] The drive grate device 7 is connected to the reciprocating grate device 4, and its function is to drive the movable grate to move back and forth.

[0041] The fins 8 in the main combustion zone are connected to the heat exchange flue 9 in the main combustion zone, and their function is to improve thermal efficiency.

[0042] The main combustion zone heat exchange flue 9 is connected to the main combustion chamber 5 and is a flue gas heat exchange device.

[0043] The arc-shaped return baffle 10 is connected to the main combustion chamber 5 and functions as a hot air guide plate to change the direction of the hot air.

[0044] The feeding position 11 is connected to the lower auger 3, which refers to the feeding position.

[0045] The ignition rod 12 is connected to the main combustion chamber 5 and is a fuel ignition device.

[0046] The function of the main combustion zone cleaning door 13 is to clean the dust from the heat exchange flue 9 in the main combustion zone.

[0047] The function of the return dust cleaning door 14 is to clean the dust from the return flue pipe bundle 15.

[0048] The return flue tube bundle 15 is connected to the return chamber and is a flue gas heat exchange device.

[0049] The return-flow built-in vane 16 is a component placed in the return-flow flue tube bundle 15, and its function is to improve thermal efficiency.

[0050] The return built-in baffle 17 is connected to the return flue tube bundle 15, and its function is to separate the hot air vertically and change the direction of the hot air.

[0051] Position 18 reserved for axial flow fans is the location for installing axial flow fans.

[0052] Air outlet 19 is the location of the hot air outlet.

[0053] The dust removal door 20 in the return zone is the location for cleaning accumulated dust during the return journey.

[0054] This invention utilizes 5G IoT technology to link a biomass hot air drying equipment for Chinese medicinal herbs. It employs an industrial PLC-based intelligent control system to achieve remote intelligent control. A human-machine interface displays the system's operational status in real time, allowing for precise monitoring and control of the herbs during the drying process. Feeding, ignition, slag removal, temperature control, and dehumidification are all automated, requiring no human intervention. The equipment can burn continuously for extended periods. Furthermore, the drying equipment uses renewable energy—biomass pellet fuel. Through independent research and development, the company has designed a unique grate structure, solving the industry-wide problem of slag formation and breaking in the biomass field. Biomass, as a renewable energy source, achieves zero carbon emissions. This equipment significantly meets the needs of agricultural modernization, improves energy efficiency, protects the environment, and promotes the modernization of agricultural production. With continuous technological innovation and progress, its application prospects will become even broader.

[0055] Product uniqueness:

[0056] Fully automated: An intelligent control system centered around an industrial PLC can be constructed, with automatic operation for feeding, ignition, slag removal, and temperature control. One-button operation makes it simple and quick to use.

[0057] Unattended operation: It can burn continuously for a long time and automatically remove ash, achieving unattended operation while ensuring heating efficiency.

[0058] Safety features: It has multiple safety protection measures such as grate fault alarm, over-temperature alarm and automatic shutdown at high temperature. When the boiler malfunctions, it can automatically activate the safety protection functions of shutdown and alarm.

[0059] High efficiency: It can quickly and effectively remove moisture from Chinese medicinal materials, shorten drying time, and improve production efficiency.

[0060] Energy efficiency: Advanced energy-saving technologies, heat recovery systems, and energy-saving burners are adopted to reduce energy consumption and operating costs.

[0061] Environmental friendliness: Meets environmental protection requirements, reduces exhaust emissions and noise pollution, and protects the environment and human health.

[0062] Flexibility: It can adapt to the drying needs of different Chinese medicinal materials and achieve the best drying effect by adjusting parameters such as temperature, humidity, and wind speed.

[0063] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A hot air boiler for drying biomass of traditional Chinese medicinal materials, characterized in that, It includes a material box (1), a transmission device, a main combustion chamber (5) and an air outlet (19). The material box (1) is connected to the main combustion chamber (5) through the transmission device. The main combustion chamber (5) is connected to the air outlet (19) above through a heat exchange flue. An axial flow fan and an induced draft fan (21) are installed on the heat exchange flue. The axial flow fan is installed at the reserved position (18) of the axial flow fan.

2. The hot air boiler for drying biomass of Chinese medicinal materials according to claim 1, characterized in that, The heat exchange flue includes a main combustion zone heat exchange flue (9) and a return flue tube bundle (15). The main combustion chamber (5) is connected to the main combustion zone heat exchange flue (9) above it. The main combustion zone heat exchange flue (9) is connected to the air outlet (19) through the return flue tube bundle (15).

3. The hot air boiler for drying biomass of Chinese medicinal materials according to claim 1, characterized in that, The transmission device includes an upper auger (2) and a lower auger (3). The material box (1) is connected to the lower auger (3) through the upper auger (2). A reciprocating grate device (4) is installed in the main combustion chamber (5). The feeding point of the lower auger (3) is the feeding position (11) of the reciprocating grate device (4). The reciprocating grate device (4) is connected to the driving grate device (7). An ignition rod (12) is installed in the main combustion chamber (5).

4. The hot air boiler for drying biomass of Chinese medicinal materials according to claim 1, characterized in that, The main combustion chamber (5) is equipped with a main combustion chamber cleaning door (6) for cleaning ash.

5. The hot air boiler for drying biomass of Chinese medicinal materials according to claim 2, characterized in that, The main combustion zone heat exchange flue (9) is provided with main combustion zone fins (8).

6. The hot air boiler for drying biomass of Chinese medicinal materials according to claim 1, characterized in that, An arc-shaped return baffle (10) for hot air diversion is provided on the main combustion chamber (5).

7. The hot air boiler for drying biomass of Chinese medicinal materials according to claim 2, characterized in that, The main combustion zone heat exchange flue (9) is provided with a main combustion zone ash removal door (13) for ash removal.

8. The hot air boiler for drying biomass of Chinese medicinal materials according to claim 2, characterized in that, A return upper ash cleaning door (14) for ash cleaning is provided above the return flue tube bundle (15), and a return lower ash cleaning door (20) for ash cleaning is provided below the return flue tube bundle (15).

9. The hot air boiler for drying biomass of Chinese medicinal materials according to claim 2, characterized in that, The return flue tube bundle (15) is provided with a return built-in vane (16).

10. The hot air boiler for drying biomass of Chinese medicinal materials according to claim 2, characterized in that, A return-integrated baffle (17) is provided in the return smoke pipe bundle (15).

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