CN217351252U - Biomass carbonization furnace waste heat recovery utilizes integrated device - Google Patents

Biomass carbonization furnace waste heat recovery utilizes integrated device Download PDF

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Publication number
CN217351252U
CN217351252U CN202220889037.4U CN202220889037U CN217351252U CN 217351252 U CN217351252 U CN 217351252U CN 202220889037 U CN202220889037 U CN 202220889037U CN 217351252 U CN217351252 U CN 217351252U
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carbonization furnace
communicated
bin
waste heat
gas
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宋武庆
庞效敬
李莉
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Qingdao Kexin New Energy Technology Co ltd
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Qingdao Kexin New Energy Technology Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • Y02P20/129Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

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Abstract

The utility model discloses a waste heat recycling integrated device of a biomass carbonization furnace, which comprises a carbonization furnace, wherein a plurality of burners are arranged at four corners at two sides of the carbonization furnace; one side of the carbonization furnace is communicated with a bin, and a feeding machine is fixedly connected below the bin; the other side of the storage bin is communicated with a first charcoal bin and a second charcoal bin through a pipeline for one time; and a gas recovery device is further arranged on one side of the second charcoal bin, and the gas recovery device is communicated with the plurality of burners and is used for recycling the gas generated by carbonization. The utility model discloses a set up gas recovery unit to realize that the gas that retort produced recycles, saved the consumption of the energy greatly. The waste heat recovery is realized by arranging the heat exchanger, the heat energy utilization efficiency is effectively improved, and the heat energy loss is further reduced.

Description

Biomass carbonization furnace waste heat recovery utilizes integrated device
Technical Field
The utility model relates to a living beings carbomorphism technical field, more specifically say so and relate to a living beings retort waste heat recovery utilizes integrated device.
Background
The biomass is carbonized, and the biomass is heated to be slowly decomposed under the condition of limited oxygen supply or complete oxygen deficiency to remove volatile matters so as to generate a solid coke product. In addition to the solid coke product, combustible gases and liquids are also produced. Most of existing carbonization furnaces for treating biomass adopt a method of washing, cooling and purifying combustible gas to purify high-temperature combustible gas generated in the furnaces, so that not only is a large amount of heat energy lost caused, but also a large amount of gas washing sewage is generated in the process of washing the combustible gas by water, and meanwhile, industrial and chemical raw materials such as pyroligneous liquor, wood tar and the like in the combustible gas are changed into secondary pollution, and the defects of serious pollution to the surrounding ecological environment are caused. However, compared with biomass gasification, biomass pyrolysis has the greatest disadvantage of requiring additional energy, and a large amount of heat energy is generated in the whole production process of biomass pyrolysis and is not recycled.
Therefore, it is one of the technical problems to be solved in the art to provide an integrated device for recycling waste heat of a biomass carbonization furnace, which not only can achieve the effect of preheating and recycling the carbonization furnace, but also can effectively improve the resource utilization rate and reduce the energy consumption.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a living beings retort waste heat recovery utilizes integrated device. The purpose is to solve the above-mentioned deficiency and offer.
In order to solve the technical problem, the utility model discloses following technical scheme has been taken:
the waste heat recycling integrated device of the biomass carbonization furnace comprises the carbonization furnace, wherein a plurality of burners are arranged at four corners on two sides of the carbonization furnace; one side of the carbonization furnace is communicated with a bin, and a feeding machine is fixedly connected below the bin; the other side of the storage bin is communicated with a first charcoal bin and a second charcoal bin through a pipeline at one time; a fuel gas recovery device is further arranged on one side of the second charcoal bin, and the fuel gas device is communicated with the plurality of burners and is used for recovering and utilizing fuel gas generated by carbonization;
a furnace shell is arranged on the outer side of the carbonization furnace, the carbonization furnace and the furnace shell form a closed structure, and a heating chamber is formed between the carbonization furnace and the furnace shell; the carbonization furnace is also fixedly connected with a heat exchanger and is communicated with the interior of the carbonization furnace; circulating water is formed in a heating chamber inside the carbonization furnace and is conveyed into the heat exchanger through a pipeline when being heated; one side of the heat exchanger is communicated with a water storage tank, and the other side of the heat exchanger is communicated with a heat supply device.
Preferably, the inner wall of the furnace shell is also provided with a heat insulation cotton layer.
Preferably, the gas recovery device comprises a plurality of filters, an induced draft fan and a gas storage tank; one end of each of the filters is communicated with the second charcoal bin, and the other end of each of the filters is communicated with the fuel gas storage tank through the induced draft fan; be provided with a plurality of gas pipes on the gas holding vessel, and it is a plurality of the gas pipe one-to-one respectively with a plurality of the combustor intercommunication.
Preferably, a plurality of the filters are arranged between the induced draft fan and the second charcoal bin in parallel.
Preferably, the number of the filters is 2.
Preferably, the gas engine sets up to 4, just 2 are fixed respectively to be set up on the stove outer covering both sides wall of retort.
Preferably, correspondingly, the number of the gas pipes is 4, and the gas pipes are respectively communicated with one gas engine.
Preferably, a water pump is arranged on a pipeline communicated with the water storage tank and used for timely supplementing circulating water to the heat exchanger and the heating chamber with the waste heat recovery function during working.
The utility model discloses for prior art gain following technological effect:
the utility model discloses a set up gas recovery unit to realize that the gas that retort produced is recycle, saved the consumption of the energy greatly. The waste heat recovery is realized by arranging the heat exchanger, the heat energy utilization efficiency is effectively improved, and the heat energy loss is further reduced.
Drawings
Fig. 1 is a schematic structural diagram of the waste heat recycling integrated device of the biomass carbonization furnace of the present invention;
in the figure: 1. a carbonization furnace; 101. a heat-insulating layer; 102. a heating chamber; 2. a storage bin; 3. a feeding machine; 4. a first charcoal bin; 5. a second charcoal bin; 6. a filter; 7. an induced draft fan; 8. a gas storage tank; 9. a gas pipe; 10. a heat exchanger; 11. a water storage tank; 12. a heating device; 13. a combustion engine.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1, the integrated device for recycling waste heat of a biomass carbonization furnace comprises a carbonization furnace 1, wherein 4 burners 13 are arranged at four corners on two sides of the carbonization furnace 1; one side of the carbonization furnace 1 is communicated with a bin 2, and a feeding machine 3 is fixedly connected below the bin 2; the other side of the storage bin 2 is communicated with a first charcoal bin 4 and a second charcoal bin 5 through a pipeline at one time; a gas recovery device is further arranged on one side of the second charcoal bin 5, and the gas recovery device is communicated with the 4 burners 13 and is used for recovering and utilizing gas generated by carbonization; a furnace shell is arranged on the outer side of the carbonization furnace 1, the furnace shell and the carbonization furnace 1 form a closed structure, and a heating chamber 102 is formed between the carbonization furnace 1 and the furnace shell; the carbonization furnace 1 is also fixedly connected with a heat exchanger 10 and is communicated with the interior of the carbonization furnace 1; circulating water is formed in a heating chamber in the carbonization furnace 1 and is conveyed into the heat exchanger 10 through a pipeline when being heated; one side of the heat exchanger 10 is communicated with a water storage tank 11, and the other side of the heat exchanger is communicated with a heat supply device 12; and the inner wall of the furnace shell is also provided with a heat insulation cotton layer 101.
The gas recovery device comprises 2 filters 6, an induced draft fan 7 and a gas storage tank 8; one end of each of the 2 filters 6 is communicated with the second charcoal bin 5, and the other end of each filter is communicated with the fuel gas storage tank 8 through the induced draft fan 7; the 2 filters 6 are arranged between the induced draft fan 7 and the second charcoal bin 5 in parallel; be provided with 4 gas pipes 9 on the gas holding vessel 8, and 4 gas pipe 9 one-to-one respectively with 4 combustor 13 intercommunication.
In this embodiment, 2 gas engines are respectively and fixedly arranged on two side walls of a furnace shell of the carbonization furnace 1, and correspondingly, 4 gas pipes 9 are respectively communicated with the 4 gas engines 9 in a one-to-one correspondence manner.
In this embodiment, the heat exchanger 10, the water storage tank 11, the heat supply device 12, and the waste heat recovery device formed by the circulating water in the carbonization furnace 1 are independent circulating systems; during the whole production process of carbonization, pyrolysis and gasification, a large amount of heat energy is generated, when the temperature exceeds the set temperature, the heat energy is replaced by the heat exchanger 10, and at the moment, the temperature of the hot water can be directly used for adding water into the heat supply device 12, so that the energy can be saved by more than 30%.
In this embodiment, the heating device 12 is a boiler.
The utility model discloses a set up gas recovery unit to realize that the gas that retort produced recycles, saved the consumption of the energy greatly. The waste heat recovery is realized by arranging the heat exchanger, the heat energy utilization efficiency is effectively improved, and the heat energy loss is further reduced.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims (7)

1. The waste heat recycling integrated device of the biomass carbonization furnace comprises the carbonization furnace (1) and is characterized in that a plurality of burners (13) are arranged at four corners of two sides of the carbonization furnace (1); one side of the carbonization furnace (1) is communicated with a bin (2), and a feeding machine (3) is fixedly connected below the bin (2); the other side of the storage bin (2) is communicated with a first charcoal bin (4) and a second charcoal bin (5) through a pipeline at one time; a fuel gas recovery device is further arranged on one side of the second charcoal bin (5), and the fuel gas recovery device is communicated with the plurality of burners (13) and is used for recovering and utilizing fuel gas generated by carbonization;
a furnace shell is arranged on the outer side of the carbonization furnace (1) and forms a closed structure with the carbonization furnace (1), and a heating chamber (102) is formed between the carbonization furnace (1) and the furnace shell; the carbonization furnace (1) is also fixedly connected with a heat exchanger (10) and is communicated with the interior of the carbonization furnace (1); circulating water is formed in a heating chamber in the carbonization furnace (1), and is conveyed into the heat exchanger (10) through a pipeline when being heated; one side of the heat exchanger (10) is communicated with a water storage tank (11), and the other side of the heat exchanger is communicated with a heat supply device (12).
2. The integrated device for recycling the waste heat of the biomass carbonization furnace as claimed in claim 1, wherein the inner wall of the furnace shell is further provided with a heat insulation cotton layer (101).
3. The integrated device for recycling the waste heat of the biomass carbonization furnace as claimed in claim 1, wherein the gas recycling device comprises a plurality of filters (6), an induced draft fan (7) and a gas storage tank (8); one end of each of the filters (6) is communicated with the second charcoal bin (5), and the other end of each of the filters is communicated with the fuel gas storage tank (8) through the induced draft fan (7); the gas storage tank (8) is provided with a plurality of gas pipes (9), and is a plurality of the gas pipes (9) correspond one-to-one respectively with a plurality of the combustors (13) communicate.
4. The integrated device for recycling waste heat of biomass carbonization furnace as claimed in claim 3, wherein a plurality of said filters (6) are arranged in parallel between said induced draft fan (7) and said second carbon bin (5).
5. The integrated device for recycling the waste heat of the biomass carbonization furnace as claimed in claim 4, wherein the number of the filters (6) is 2.
6. The integrated device for recycling waste heat of the biomass carbonization furnace as claimed in claim 1, wherein the number of the burners (13) is 4, and 2 burners are respectively fixedly arranged on two side walls of the furnace shell of the carbonization furnace (1).
7. The integrated device for recycling waste heat of biomass carbonization furnace as claimed in claim 3, characterized in that the number of the gas pipes (9) is 4, and each gas pipe is communicated with one of the burners (13).
CN202220889037.4U 2022-04-18 2022-04-18 Biomass carbonization furnace waste heat recovery utilizes integrated device Active CN217351252U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220889037.4U CN217351252U (en) 2022-04-18 2022-04-18 Biomass carbonization furnace waste heat recovery utilizes integrated device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220889037.4U CN217351252U (en) 2022-04-18 2022-04-18 Biomass carbonization furnace waste heat recovery utilizes integrated device

Publications (1)

Publication Number Publication Date
CN217351252U true CN217351252U (en) 2022-09-02

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