CN115289490A - Method for improving thermal efficiency of medicine calcining furnace by recycling Chinese medicinal material waste - Google Patents

Abstract

The invention discloses a method for recycling wastes of Chinese medicinal materials to improve the thermal efficiency of a calcining furnace, and relates to the technical field of processing of Chinese medicinal materials. Extrusion molding to make it into a rod-shaped fuel; (3) Put the medicine to be calcined into multiple calcining cylinders, and then put the multiple calcining cylinders vertically into the calcining furnace, so that the adjacent calcining cylinders are calcined. (4) Put a plurality of rod-shaped fuels vertically into the calcining furnace and make the rod-shaped fuel and the calcining cylinders staggered row by column; (5) The furnace at the bottom of the calcining furnace After adding conventional fuel and/or rod fuel, calcining begins. The invention can recycle the waste, reduce the pollution to the environment and improve the thermal efficiency of the calcining furnace.

Description

Method of recycling waste materials of traditional Chinese medicinal materials to improve thermal efficiency of calcining furnace

technical field

The invention relates to the technical field of processing Chinese medicinal materials, in particular to a method for recycling waste materials of Chinese medicinal materials to improve the thermal efficiency of a calcining furnace.

Background technique

In the processing of Chinese medicinal materials, the calcining of Chinese herbal medicine is an important part of the process. Forging is to heat the medicine at an appropriate temperature to transform the properties of the medicine into decoction pieces, process the required shape, and change the original shape. Physical and chemical properties, enhance drug efficacy, reduce side effects and toxicity, temperature and time need to be controlled during processing, and the drug needs to be heated evenly to ensure penetration.

However, the heating temperature in the traditional medicine calcining furnace is not uniform, and the fuel is placed in the bottom furnace of the medicine calcining furnace. It is very inconvenient to turn over the medicine in the medicine calciner once in a while.

Chinese herbal medicine waste is the waste produced after the processing of Chinese herbal medicines. These wastes will cause certain environmental pollution after being discarded at will, but most of the Chinese herbal medicines are ideal combustibles, especially the bark medicinal materials commonly used in Chinese herbal medicines. It is a raw material with good flammability. If these waste materials are collected and processed to form fuel, it will be a very good choice to cooperate with the calciner to improve the thermal efficiency. There is no such application idea in the existing technology. Good, the production value and environmental protection value created by it are very large, and it can solve the problems caused by waste materials and calcined medicine thermal efficiency at the same time.

Contents of the invention

The object of the present invention is to solve the above-mentioned problems in the prior art, and provide a method for recycling waste materials of Chinese medicinal materials to improve the thermal efficiency of a calcining furnace.

In order to solve the above technical problems, the present invention adopts the following technical solution: a method for recycling waste materials of Chinese medicinal materials to improve the thermal efficiency of a calcining furnace, comprising the following steps:

(1) Collect and mix the waste materials of traditional Chinese medicinal materials and add a certain amount of water to form raw materials;

(2) Extrude the raw material at high temperature to make it into a rod-shaped fuel;

(3) Put the medicine to be calcined into multiple calcined tubes, and then vertically put the multiple calcined tubes into the calcining furnace, so that the adjacent calcined tubes are kept at intervals;

(4) Put a plurality of rod-shaped fuels vertically into the calcining furnace and arrange the rod-shaped fuels and the calcining cylinders in a row-by-row staggered arrangement;

(5) Add conventional fuel and/or stick fuel into the hearth at the bottom of the calcining furnace and start calcining.

Preferably, the waste Chinese medicinal materials include Chinese yam, Poria cocos, Radix Ophiopogon japonicus, Polygonatum Polygonatum, Polygonatum Polygonatum, and Fructus Aurantii Fructus Stir-Fried with Bran.

More preferably, the moisture content in the raw material is 10%.

More preferably, the extrusion temperature in the extrusion molding process in step (2) is 320-380°C.

More preferably, the forging cylinder is made of ceramic material.

More preferably, the plurality of calcining cylinders are arranged in a matrix in the calcining furnace, and four fuel rods are distributed around each calcining cylinder.

More preferably, the calcination furnace includes a furnace body, the furnace body is provided with an intermediate support layer and a lower support layer, the upper part of the intermediate support layer is used to place the calcining cylinder and the rod-shaped fuel, and the intermediate support layer and the lower support layer A furnace is formed between the lower support layers, an ash box is provided below the lower support layer, a cover plate made of heat-insulating material is provided on the top of the furnace body, and an exhaust port is provided on the cover plate. The inner wall of the furnace body is filled with heat-insulating material, and the front side of the furnace is provided with an air inlet valve.

More preferably, both the middle support layer and the lower support layer are formed by supporting steel rods arranged at intervals.

By extruding the waste of Chinese medicinal materials into rod-shaped fuel, the environmental impact caused by littering of waste can be greatly reduced, and the rod-shaped fuel made by further utilization is placed in the calcining furnace and staggered with the calcining cylinder one by one. cloth, so that the rod-shaped fuel can provide sufficient and uniform heat to the forging cylinder from bottom to top when burning. Most importantly, it is no longer necessary to turn over the forging cylinder, which reduces labor intensity, and because it does not need to be opened frequently The calcining furnace enables the internal heat to be fully preserved and utilized. Compared with the traditional calcining method of frequently flipping medicines, it can greatly improve thermal efficiency, thereby improving production efficiency. In addition, the raw materials of rod-shaped fuels are also It can be directly taken from the Chinese herbal medicine processing plant, without the need to purchase raw materials through additional means, and it can serve multiple purposes.

Description of drawings

Fig. 1 is a schematic cross-sectional view of the overall structure in an embodiment of the present invention;

Fig. 2 is a schematic diagram of the placement structure of the forging cylinder and the rod-shaped fuel inside the furnace body in the embodiment.

In the picture:

1——furnace body 2——middle support layer 3——lower support layer

4——forging cylinder 5——rod fuel 6——furnace

7—ash box 8—cover plate 9—exhaust port.

Detailed ways

In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the embodiments and accompanying drawings, and the contents mentioned in the embodiments are not intended to limit the present invention.

It should be noted in advance that in the present invention, terms such as "installation", "connection", "connection", and "fixation" should be understood in a broad sense, for example, it can be a fixed connection, or Can be detachably connected, or integrally connected. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations. In addition, in the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, or include the first and second features Not in direct contact but through another characteristic contact between them.

The method for recycling waste materials of traditional Chinese medicinal materials to improve the thermal efficiency of a calciner comprises the following steps:

(1) Collect and mix the waste materials of Chinese medicinal materials and add a certain amount of water to form raw materials. The waste materials of Chinese medicinal materials include Chinese yam, Poria cocos, Radix Ophiopogon japonicus, Polygonatum Polygonatum, Fried Fructus Aurantii Fructus Polygonatum, and the water content in the raw materials is 10%.

(2) Extruding the raw material at high temperature to make it into a rod-shaped fuel, wherein the extrusion temperature is 320-380°C.

(3) Put the medicine to be calcined into multiple calcined tubes, and then put the multiple calcined tubes vertically into the medicine calcining furnace, so that the intervals between adjacent calcined tubes are kept.

(4) Put a plurality of rod-shaped fuels vertically into the calcining furnace and arrange the rod-shaped fuels and the calcining cylinder in a row-by-row staggered arrangement.

(5) Add conventional fuel and/or stick fuel into the hearth at the bottom of the calcining furnace and start calcining.

The above-mentioned forging cylinders are made of ceramic materials, and multiple forging cylinders are arranged in a matrix in the furnace, and four fuel rods are distributed around each forging cylinder. Correspondingly, a rod-shaped fuel rod When burning, it can also provide heat for the surrounding four forging cylinders, so as to make full use of the rod-shaped fuel.

In this embodiment, as shown in Figure 1 and Figure 2, the calcining furnace includes a furnace body 1, an intermediate support layer 2 and a lower support layer 3 are arranged in the furnace body 1, and the upper part of the intermediate support layer 2 is used to place the calcined The cylinder 4 and the rod-shaped fuel 5 form a furnace 6 between the middle support layer 2 and the lower support layer 3, the ash box 7 is arranged under the lower support layer 3, and the top of the furnace body 1 is provided with a cover plate 8 made of heat-insulating material , the cover plate 8 is provided with an exhaust port 9, the inner wall surface of the furnace body 1 is filled with insulating material, the front side of the furnace 6 is provided with an air intake valve, and the middle support layer 2 and the lower support layer 3 are all supported by intervals. Steel rods formed.

Those skilled in the art should know that the role of placing fuel in the furnace 6 for combustion is to provide the most basic thermal environment for the entire calcining furnace. The rod-shaped fuel 5 on the top will also be fully burned, so in fact there will still be a slight difference in the temperature of the upper part and the lower part of the calcined area, but compared with the existing way of only burning fuel in the lower furnace, this difference It has been reduced to a great extent, so that the heat difference between the upper and lower ends of the calcining cylinder 4 is small enough to avoid manually opening the calcining furnace to turn over the medicine. After solving this problem, the entire production efficiency can reach the previous level. at least 3 times.

It is worth noting that the stick-shaped fuel 5 can be made by processing the remaining waste from the Chinese herbal decoction factory, and this waste is ready-made and does not require additional raw material procurement, which realizes the recycling of waste and allows the waste to create two At the same time, it can avoid environmental pollution caused by the large amount of waste discarded. In order to make the Chinese herbal medicine waste mixed and extruded into a rod-shaped fuel 5, firstly, the moisture content in the raw material needs to be at least 10%, and secondly, the extrusion temperature is preferably at 350°C, otherwise the raw material is easy to disperse, and the extrusion molding equipment can With the existing conventional equipment, no additional improvement settings are required, so the operation of the processing process will be simpler and easier to use.

In terms of the specific arrangement of the forging cylinder 4 and the rod-shaped fuel 5, firstly, a plurality of forging cylinders 4 can be arranged vertically in a matrix on the middle support layer 2, and the forging cylinder 4 at the edge needs to be aligned with the furnace. Spaces are also kept between the inner walls of the body 1. In order to improve the heating uniformity and thermal efficiency of the forging cylinder 4, rod-shaped fuels 5 can be inserted in the gaps around the forging cylinder 4 in practical applications, and it is best to let the rod-shaped fuel 5 The length matches the length of the forging cylinder 4, and the rod-shaped fuel 5 is allowed to lean against the forging cylinder 4, so one rod-shaped fuel 5 can provide heat for at most four forging cylinders 4 around, and one forging cylinder 4 Around also can be around four rod-shaped fuels 5 at most.

Compared with the existing method of calcining medicine, the method of recycling waste materials of traditional Chinese medicine provided by the above embodiment to improve the thermal efficiency of the calcining furnace has actually had a significant breakthrough in the application concept, because in the conventional In the technical idea, the medicine and fuel in the medicine calciner are separated in the other two spaces, and by recycling the waste of Chinese medicinal materials, the problem of environmental impact of the waste can be solved and the thermal efficiency of the medicine calcined in the medicine furnace can be improved at the same time. The method of killing multiple birds with one stone is the embodiment of the invention of the present application, which can play a very practical technical effect in the actual production and application of Chinese herbal decoction pieces factory, and has huge market application value.

In order to allow those of ordinary skill in the art to more easily understand the improvement of the present invention compared to the prior art, some drawings and descriptions of the present invention have been simplified, and the above-mentioned embodiments are preferred implementation solutions of the present invention, in addition In addition, the present invention can also be realized in other ways, and any obvious replacements are within the protection scope of the present invention without departing from the concept of the technical solution.

Claims (8)

1. The method for improving the thermal efficiency of the medicine calcining furnace by recycling the waste materials of the traditional Chinese medicinal materials is characterized by comprising the following steps of:

firstly, collecting and mixing Chinese medicinal material waste materials, and adding a certain amount of water to form a raw material;

secondly, extruding and molding the raw materials at high temperature to form rod-shaped fuel;

thirdly, the medicine to be calcined is placed into a plurality of calcining cylinders, and then the calcining cylinders are vertically placed into a calcining medicine furnace, so that the adjacent calcining cylinders keep intervals;

fourthly, vertically putting a plurality of rod-shaped fuels into the calcining medicine furnace and arranging the rod-shaped fuels and the calcining cylinders in a staggered way row by row;

and (V) adding conventional fuel and/or rod-shaped fuel into a hearth at the bottom of the medicine calcining furnace, and then starting to calcine the medicine.

2. The method for recycling Chinese herbal medicine waste to improve the thermal efficiency of a medicine calcining furnace according to claim 1, characterized in that: the Chinese medicinal material waste materials comprise rhizoma Dioscoreae, poria, radix Ophiopogonis, rhizoma Polygonati Odorati, and fructus Aurantii parched with bran.

3. The method of claim 2 for recycling waste materials of traditional Chinese medicinal materials to improve the thermal efficiency of a medicine calcining furnace, comprising the following steps: the water content in the raw materials is 10%.

4. The method of claim 1 for recycling waste materials of traditional Chinese medicinal materials to improve the thermal efficiency of a medicine calcining furnace, comprising the following steps: the extrusion temperature in the extrusion molding process in the step (II) is 320-380 ℃.

5. The method of claim 1 for recycling waste materials of traditional Chinese medicinal materials to improve the thermal efficiency of a medicine calcining furnace, comprising the following steps: the forging cylinder is made of ceramic materials.

6. The method for recycling Chinese herbal medicine waste to improve the thermal efficiency of a medicine calcining furnace according to claim 1, characterized in that: the calcining cylinders are arranged in a matrix mode in the calcining furnace, and four fuel rods are distributed around each calcining cylinder.

7. The method of claim 1 for recycling waste materials of traditional Chinese medicinal materials to improve the thermal efficiency of a medicine calcining furnace, comprising the following steps: the medicine calcining furnace comprises a furnace body (1), wherein a middle supporting layer (2) and a lower supporting layer (3) are arranged in the furnace body (1), a calcining cylinder (4) and a rod-shaped fuel (5) are placed above the middle supporting layer (2), a hearth (6) is formed between the middle supporting layer (2) and the lower supporting layer (3), an ash containing box (7) is arranged below the lower supporting layer (3), a cover plate (8) made of a heat insulating material is arranged at the top of the furnace body (1), an exhaust port (9) is formed in the cover plate (8), the heat insulating material is filled in the inner wall surface of the furnace body (1), and an intake valve is arranged on the front side of the hearth (6).

8. The method of claim 7 for recycling waste materials of traditional Chinese medicinal materials to improve the thermal efficiency of a medicine calcining furnace, comprising the following steps: the middle supporting layer (2) and the lower supporting layer (3) are formed by supporting steel rods which are arranged at intervals.

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