TWM566805U - Carbonization furnace structure - Google Patents

Abstract

The present invention discloses a carbonization furnace structure comprising a first carbonization furnace, a second carbonization furnace and a cooling conveyor. The first carbonization furnace and the second carbonization furnace can form a biochar and a biomass energy auxiliary material by high temperature thermal cracking under incomplete combustion and anoxic environment, and then cool and transport the air through the cooling conveyor. Discharge.

Description

Carbonization furnace construction

The present invention relates to a carbonization furnace structure, and more particularly to a carbonization apparatus for producing high quality biochar by utilizing anaerobic combustion processing of raw waste.

According to a material containing a substantial amount of biomass, it may be biomass materials, which may include agriculture, forestry, building materials, wastes produced by manufacturing foods, and the like; biomass may also contain some inorganic substances such as sludge and alumina. Wait. Biochar is a product of biomass material that is cracked by heating. It can be used as a fuel. The main component is carbon. In the past, the common practice of biochar was direct combustion. However, the quality of biochar produced by direct combustion is difficult to control. Remanufacturing of harsh gases such as carbon dioxide gas, in addition to odors, is not suitable for the production of biochar in the event of severe environmental damage such as aerosols and global warming. Although the carbonization of biomass materials has been used in known techniques, the overall efficiency of carbonization technology is not high in this known technology, and in the carbonization process, the heat source generated in the process is released without being utilized, resulting in Waste of heat energy; in addition to the low efficiency and environmental problems mentioned above, because the known technology is carried out at medium and low temperatures, it is also possible to produce dioxin in the combustion process, which is another serious environmental pollution problem.

Therefore, it is necessary to provide a carbonization device that can be used to manufacture biochar and bioenergy excipients, and to solve problems in conventional techniques.

The main purpose of this case is to produce high stability, high quality bio-carbon products.

For the above purposes, the present invention is a carbonization furnace comprising a first carbonization furnace, a second carbonization furnace and a cooling conveyor. The first carbonization furnace and the second carbonization furnace each comprise a furnace shell, and the furnace shell is provided with a delivery cylinder, and the delivery cylinder is provided with an inlet port and a discharge port, and the inlet port can receive the material and then discharge the material. The mouth is sent out. The heaters of the first carbonization furnace and the second carbonization furnace are respectively provided with heaters for heating the materials in the delivery cylinders; the cooling conveyor has an outer cover, and the outer cover is provided with a conveyor belt for heating The carbonized material can be sent out by the transmission of the conveyor belt; the front end of the outer surface of the cooling conveyor is provided with an air inlet for discharging the gas after the material reaches the air cooling and cooling effect.

An air return pipe is connected between the rear end of the first carbonization furnace and the front end of the feed cylinder, and the heat recovery is utilized to form the effect of utilizing waste heat.

Nitrogen gas can be injected into the delivery cylinder of the second carbonization furnace to form an oxygen-free environment in the delivery cylinder of the second carbonization furnace to avoid generation of harmful gases.

The heater of the first carbonization furnace controls the heating temperature between 120 ° C and 300 ° C, but is not limited thereto. [0007] The heater of the second carbonization furnace controls the heating temperature between 300 ° C and 900 ° C, but is not limited thereto.

10‧‧‧First carbonization furnace

11‧‧‧First furnace shell

12‧‧‧First delivery tube

13‧‧‧Inlet

14‧‧‧ feeder

15‧‧‧Outlet

16‧‧‧heater

17‧‧‧ return air tube

20‧‧‧Second carbonization furnace

21‧‧‧second furnace shell

22‧‧‧Second delivery drum

23‧‧‧Inlet

24‧‧‧Outlet

25‧‧‧heater

26‧‧‧Second return air tube

30‧‧‧Cooling conveyor

31‧‧‧ Cover

32‧‧‧ conveyor belt

33‧‧‧Drawing end

34‧‧‧ Feeding end

35‧‧‧air inlet

The first drawing shows a plan view of the present embodiment; the second figure shows the plan view of the first carbonization furnace and the second carbonization furnace of the present embodiment; the third figure shows the cooling of the present embodiment. The plane structure diagram of the conveyor table; the fourth diagram shows the schematic diagram of the feeding process of the creation embodiment.

The technical contents and functions of the present invention will be clearly described in the detailed description of the preferred embodiments shown in the drawings. In addition, the present invention is specifically described before it is described in detail, and the description and the accompanying drawings are intended to explain the basic structure in a schematic manner, and therefore only the components related to the present invention are shown and labeled in the description and the drawings. And the direction terms mentioned in this creation, such as front, back, left, right, up, down, etc., are only referring to the direction of the additional schema; and the reference to the numbers and units mentioned in this creation is To explain and understand the creation, not to limit the case, first stated.

The structure of the creation and the functions it can achieve are described below with the following diagram:

Please refer to the plan view of the first embodiment of the present invention; as shown in the figure, the present invention provides a carbonization device comprising a first carbonization furnace 10, a second carbonization furnace 20 and a cooling conveyor 30; Wherein, as shown in the second figure, the first carbonization furnace 10 includes a closed first furnace shell 11, and the first furnace shell 11 is internally provided with a first delivery cylinder 12, and the front end of the first delivery cylinder 12 is convex. The first furnace shell 11 is provided with a feed port 13 which can take over The material fed by the feeder 14 and the feeder 14 can be filled with nitrogen (N2) to form an oxygen-free space for material accommodation, and the rear end of the first delivery cylinder 12 forms a discharge port 15, which can be first The material conveyed by the delivery cylinder 12 is sent out; a heater 16 is provided below the first furnace shell 11 of the first carbonization furnace 10, and the heater 16 can heat and heat the material in the first delivery cylinder 12. The first embodiment of the first carbonization furnace 10 and the feeder 14 are connected to a gas return pipe 17, and the hot gas accumulated in the first furnace shell 11 can be extracted from the gas return pipe 17 and then fed by the feeder 14. The waste heat is utilized to perform waste heat utilization and continue to circulate.

The first delivery cylinder 12 of the first carbonization furnace 10 is fed in a spiral manner, so that the screw feed rod is driven by a driver (motor) to rotate the feed.

The heater 16 of the first carbonization furnace 10 may be in the form of electric heating or gas heating, and the heating temperature is controlled between 120 ° C and 300 ° C, but not limited thereto.

As shown in the second figure, the second carbonization furnace 20 includes a closed second furnace shell 21, and a second delivery cylinder 22 is disposed in the second furnace shell 21, and the rear end of the second delivery cylinder 22 is protruded. The second furnace shell 21 is provided with a feed port 23, and can receive the material sent from the discharge port 15 at the rear end of the first feed cylinder 12 of the first carbonization furnace 10; the front end of the second feed cylinder 22 forms a discharge port. 24, the material conveyed by the second delivery cylinder 22 can be sent out; a heater 25 is disposed under the second furnace shell 21 of the second carbonization furnace 20, and the heater 25 can be disposed in the second delivery cylinder 22 The material is subjected to a heating and heating operation; in addition, nitrogen gas (N2) may be injected into the second delivery cylinder 22 of the second carbonization furnace 20 to form an oxygen-free environment in the second delivery cylinder 22 of the second carbonization furnace 20. In addition, a second air return pipe 26 may be disposed between the second carbonization furnace 20 and the first carbonization furnace 10 to make the second carbon The higher temperature residual heat of the furnace 20 is recovered into the first carbonization furnace 10 by means of a pressure valve device, thereby increasing the use efficiency of the heat source.

The second delivery cylinder 22 of the second carbonization furnace 20 is fed in a spiral manner, so that the screw feed rod is driven by a driver (motor) to rotate the feed.

The heater 25 of the second carbonization furnace 20 may be in the form of electric heating or gas heating, and the heating temperature is controlled between 300 ° C and 900 ° C, but not limited thereto.

As shown in the third figure, the cooling conveyor 30 has a cover 31. The outer cover 31 is provided with a conveyor belt 32. The end of the conveyor belt 32 is provided with a discharge end 33, and the front end of the outer cover 31 is provided with a receiving end 34. The feed end 34 can engage the material output by the discharge port 24 of the second carbonization furnace 20, and the material is sent out from the discharge end 33 via the conveyor belt 32. The front end of the outer cover 31 of the cooling conveyor 30 is provided with an air inlet 35 for allowing the gas to be cooled to cool the material. Preferably, the gas injected into the outer casing 31 is nitrogen (N2).

Please refer to the feeding diagram of the preferred embodiment of the present invention illustrated in the fourth figure. According to the above-described component structure design of the present invention, the feeder 13 can perform a quantitative feeding action on the prepared biomass material, and feed the biomass material from the inlet port 13 of the first carbonization furnace 10 to the first input. In the cylinder 12, the feed is rotated by the spiral of the first transfer cylinder 12, and at the same time, the heater 15 under the first furnace shell 11 is heated to between 120 ° C and 150 ° C to dry the biomass material. The hot air accumulated in the first furnace shell 11 can be extracted by the return air pipe 15, and then sent from the front end of the first delivery cylinder 12, and reused by the recovered waste heat to reduce the energy loss. The first end of the first delivery cylinder 12 of the first carbonization furnace 10 can dry the first stage The biomass material is sent out from the discharge port 14 and sent to the second delivery cylinder 22 by the inlet port 23 of the second carbonization furnace 20, and the feed is rotated by the spiral of the second delivery cylinder 22. At the same time, the heater 25 under the second furnace shell 21 is heated to between 300 ° C and 900 ° C to carbonize the biomass material, and further, the second transport cylinder 22 of the second carbonization furnace 20 can be injected. Nitrogen (N2) forms an oxygen-free environment. Under this high temperature and oxygen-free environment, the dioxin produced in the environment will be burned off to avoid the generation of harsh gases. The second delivery cylinder 22 of the second carbonization furnace 20 can feed the second stage carbonized biomass material from the discharge port 24 and feed it into the second delivery cylinder from the inlet port 23 of the second carbonization furnace 20. 22, the feeding end 34 of the front end of the outer cover 31 of the cooling conveyor 30 is engaged, and the bio-carbon formed by carbonization of the biomass material is sent out by the conveying end 32 by the conveying end 32, and the process is again The nitrogen gas is injected into the air inlet 35 provided at the front end of the cooling conveyor 30, and the bio-carbon reaches the air-cooling and cooling effect, thereby obtaining a high-stability, high-quality bio-carbon product.

In summary, the biochar and the biomass energy auxiliary materials produced by the carbonization furnace of the present invention can be solid products formed by thermal cracking at high temperature in an incomplete combustion or anoxic environment. The above is the specific embodiment of the present invention and the technical means used. According to the disclosure or teaching of the present invention, many changes and modifications can be derived, which can still be regarded as the equivalent change of the creation, and the effect thereof is still not exceeded. The spirit of the manual and the schema should be considered within the technical scope of this creation. From the detailed description of the above preferred embodiments, the creative department has many advantages and has significant practical characteristics, and the technical means and structural features thereof are indeed developed by the creator of the case, and the composition is more Unseen, Sakamoto Creation has already met the requirements of the patent, and applied for it according to law, and prayed for the patent right.

Claims (6)

A carbonization furnace structure comprising a first carbonization furnace, a second carbonization furnace and a cooling conveyor; the first carbonization furnace comprises a closed first furnace shell, and the first furnace shell is internally provided with a first delivery cylinder, the first a feeding cylinder is provided with a feeding port and a discharging port, and the feeding port can receive the material sent by the feeder and then sent out from the discharging port; the first carbonization furnace is provided with a heater below the first furnace shell The heating material in the first conveying cylinder can be heated; a gas pipe is connected between the rear end of the first carbonization furnace and the front end of the first conveying cylinder, and the hot gas accumulated in the first furnace shell can be returned. The trachea is withdrawn, and then enters from the front end of the first delivery cylinder to form waste heat utilization and continuously circulates; the second carbonization furnace comprises a closed second furnace shell, and the second furnace shell is internally provided with a second delivery cylinder, the second The feed cylinder is provided with a feed port and a discharge port, and the feed port can receive the material sent from the discharge port of the first transfer cylinder of the first carbonization furnace, and is sent out by the discharge port; the second carbonization furnace A heater is arranged below the second furnace shell, and the heater can heat the material in the second delivery cylinder Acting; and, the second delivery cylinder of the second carbonization furnace can be filled with nitrogen gas, so that the second delivery cylinder of the second carbonization furnace forms an oxygen-free environment; the cooling conveyor has an outer cover, and the outer cover is provided with a cover Conveyor belt, the front end of the conveyor belt is a feeding end, and the end is a discharging end, the feeding end can engage the material outputted by the discharging port of the second carbonization furnace, and the material is conveyed by the conveyor belt The material end is sent out; the front end of the outer surface of the cooling conveyor is provided with an air inlet for discharging the gas after the material reaches the air cooling and cooling effect. The carbonization furnace structure according to claim 1, wherein the heater of the first carbonization furnace controls the heating temperature between 120 ° C and 300 ° C. . The carbonization furnace structure according to claim 1, wherein a second air return pipe may be disposed between the second carbonization furnace and the first carbonization furnace, and the high temperature waste heat of the second carbonization furnace is recovered into the first carbonization furnace. use. The carbonization furnace structure according to claim 1, wherein the heater of the second carbonization furnace controls the heating temperature between 300 ° C and 900 ° C. The carbonization furnace structure according to claim 1, wherein an inlet port is provided between the feeder and the inlet port for nitrogen injection. The carbonization furnace structure according to claim 1, wherein the front end of the outer surface of the cooling conveyor is provided with an air inlet, and the gas injected into the outer casing is nitrogen.