CN218058913U

CN218058913U - Organic solid waste fuel upgrading device

Info

Publication number: CN218058913U
Application number: CN202220625513.1U
Authority: CN
Inventors: 朴桂林; 卜昌盛; 王昕晔
Original assignee: Nanjing Simo Energy Technology Co ltd
Current assignee: Nanjing Simo Energy Technology Co ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-12-16
Anticipated expiration: 2032-03-22

Abstract

The utility model discloses an organic solid waste fuel upgrading device, which comprises an upgrading mechanism and a combustion mechanism, wherein the upgrading mechanism comprises an upgrading furnace and an upgrading bin, a spiral discharger is arranged in the upgrading furnace and used for transmitting the solids in the upgrading furnace to a solid outlet, and the upgrading bin is connected with the solid outlet; the combustion mechanism comprises a combustion furnace, a second air feeder, a fuel bin and a gas burner, an air inlet of the combustion furnace is connected with an outlet of the second air feeder, a combustion inlet of the combustion furnace is connected with an outlet of the fuel bin, an outlet of the gas burner is connected with a gas fuel inlet of the combustion furnace, the purpose of improving the quality of waste fuel is achieved by regulating and controlling the ordered oxidation mode of solid waste without external energy input, meanwhile, the organic solid waste is quickly heated up in a floating state in the upgrading furnace through porous air distribution, the upgrading of the organic solid waste is realized within a short time of several minutes, the structure is simple, the operation is convenient, and the organic solid waste can be directly connected with a subsequent fuel heat conversion system in a seamless mode.

Description

Organic solid waste fuel upgrading device

Technical Field

The utility model relates to a solid waste improves quality technical field, specifically is an organic solid waste matter fuelization and improves quality device.

Background

The organic solid waste refers to organic materials and substances which are produced in production, life and other activities and lose original utilization value or are discarded or abandoned without losing the utilization value, and comprises domestic waste, town sludge, industrial waste, agricultural and forestry waste and the like, and has dual attributes of garbage and resources.

With the rapid development of agriculture, industry and other industries in China, the living standard of people is continuously improved, the production amount of organic solid wastes is continuously increased, and certain influence is caused on the ecological environment. How to reasonably and efficiently utilize organic solid wastes and realize the resource value thereof becomes an important issue.

The fuel is an effective way for treating and recycling the organic solid waste, and has multiple advantages of reduction, harmlessness and recycling. However, the organic solid waste has characteristics of high moisture content and low calorific value, resulting in poor ignition and combustion characteristics, and is difficult to directly utilize as a fuel.

Therefore, in order to improve the combustion characteristics of the organic solid waste, a simple and feasible pretreatment method is required to improve the fuel quality of the waste. The utility model patent (publication No. CN 109370694A) discloses a straw biomass fuel improves system and method of matter modification, and the fuel quality of straw is improved through processes such as adding water, adding medicament, dehydration, drying respectively to the biomass straw after smashing, and the technological process of this method is comparatively complicated, and need add water and dehydration process, leads to the energy consumption height of system. The utility model discloses a (grant publication No. CN 110257575B) discloses a technology that agricultural and forestry discarded object preparation carbide is used for blast furnace coal injection based on hydrothermal reaction, and agricultural and forestry discarded object hydrothermal carbomorphism under high temperature and the high pressure condition again after the broken slurrying, and the reaction product is prepared to high calorific capacity biochar after through liquid-solid separation, dehydration drying. The process also has the disadvantages of complex process and high energy consumption, and requires additional treatment of the liquid product in the process. The utility model (publication number CN 101412930B) discloses a high-moisture solid fuel quality-improving reaction device and a process thereof, wherein the core of the process is a fluidized bed reactor which is difficult to treat solid wastes which are difficult to be fluidized and have high moisture content. The utility model discloses a high-efficient drying and upgrading device and method of brown coal (application publication No. CN 103013615A), brown coal realizes drying and upgrading in a hot air rotary kiln, but the contact efficiency of the gas-solid in the rotary kiln is low, the upgrading time is long (15-30 min), and the axial length of the rotary kiln is very long. And the lignite has been subjected to heat generation at high temperature (700-900 ℃) for a long time to explain that a large amount of reducing gas is discharged, and the part of the reducing gas is not utilized.

It is easy to find that the existing device and method for improving the quality of the organic solid waste fuel have the outstanding problems of complex process, high energy consumption, low efficiency, huge device, weak applicability and the like, and can not meet the requirement of resource utilization of a large amount of organic solid waste, so that an organic solid waste fuel upgrading device is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a device and a method for improving the quality of organic solid wastes by using fuel, which have the advantages of simple process, low energy consumption and capability of improving the quality improving efficiency, and solve the problems in the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a device for improving the quality of organic solid wastes by using fuel comprises:

the quality improvement mechanism comprises a quality improvement furnace and a quality improvement bin, wherein a solid inlet and a solid outlet are formed in the quality improvement furnace, a spiral discharger is arranged in the quality improvement furnace and used for conveying the solids in the quality improvement furnace to the solid outlet, and the quality improvement bin is connected with the solid outlet;

the combustion mechanism comprises a combustion furnace, a second blower, a fuel bin and a gas burner, wherein an air inlet of the combustion furnace is connected with an outlet of the second blower, a combustion inlet of the combustion furnace is connected with an outlet of the fuel bin, and an outlet of the gas burner is connected with a gas fuel inlet of the combustion furnace;

the quality-improving furnace is provided with a gas outlet at one end of the solid outlet, a gas burner inlet is connected with the gas outlet of the quality-improving furnace, a plurality of gas inlets are distributed on the periphery of the wall surface of the quality-improving furnace, a first blower outlet and a circulating fan outlet are respectively connected with the gas inlets through pipelines, and a flue gas outlet bypass of the combustion furnace is connected with the circulating fan inlet to form gas circulation.

Preferably, each pipeline connected with the air inlet is provided with a valve.

Preferably, a feeding mechanism is further installed at a solid inlet of the upgrading furnace, the feeding mechanism comprises a solid waste bin and a screw feeder, an outlet of the solid waste bin is connected with an inlet of the screw feeder, and an outlet of the screw feeder is connected with a solid inlet of the upgrading furnace.

Preferably, a spiral discharger is arranged between the upgrading furnace and the fuel bin, an inlet of the spiral discharger is connected with a solid outlet of the upgrading furnace, and an outlet of the spiral discharger is connected with an inlet of the upgrading bin.

Preferably, the solids include household waste, municipal sludge, industrial waste, forestry and agricultural waste, and lignite.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an upgrade stove trompil ration lets in the form of air and high temperature flue gas mixture, when realizing organic solid waste rapid heating up, the orderly oxidation regulation and control of organic waste has been realized, wherein, through the mode that will upgrade the stove and fire burning furnace decoupling zero, when realizing energy make full use of, need not external energy input, the fuel quality of organic solid waste has been promoted by a wide margin, simultaneously through porous cloth wind in the upgrade stove, rapid heating up under the solid waste floating state, realize organic solid waste in the several minutes short time and improve the matter, moreover, the steam generator is simple in structure, high durability and convenient operation, can be directly with follow-up fuel heat conversion system seamless connection.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic structural diagram of the organic solid waste fueling and upgrading device of the present invention;

reference numbers in the figures: 1. a solid waste bin; 2. a screw feeder; 3. a quality-improving furnace; 4. a screw feeder; 5. a first blower; 6. a circulating fan; 7. a spiral discharger; 8. an upgrading storage bin; 9. a valve; 10. a combustion furnace; 11. a second blower; 12. a fuel bunker; 13. a gas burner.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

The embodiment is as follows: as shown in fig. 1, an organic solid waste fuel upgrading device is as follows:

referring to FIG. 1, the upgrading mechanism comprises an upgrading furnace 3 and an upgrading bin 8, a solid inlet and a solid outlet are formed in the upgrading furnace 3, a spiral discharger 7 is installed in the upgrading furnace 3 in the central axis direction and used for conveying solids in the upgrading furnace 3 to the solid outlet, and the upgrading bin 8 is connected with the solid outlet;

referring to fig. 1, each pipeline connected with the air inlet is provided with a valve 9, the gas flux of the pipeline can be controlled through the valve 9, and a feeding mechanism is further installed at the solid inlet of the upgrading furnace 3, the feeding mechanism comprises a solid waste bin 1 and a screw feeder 2, the outlet of the solid waste bin 1 is connected with the inlet of the screw feeder 2, and the outlet of the screw feeder 2 is connected with the solid inlet of the upgrading furnace 3;

wherein, a spiral discharger 7 is arranged between the upgrading furnace 3 and the fuel bin 12, the inlet of the spiral discharger 7 is connected with the solid outlet of the upgrading furnace 3, and the outlet of the spiral discharger 7 is connected with the inlet of the upgrading bin 8.

Referring to fig. 1, the combustion mechanism includes a combustion furnace 10, a second blower 11, a fuel tank 12 and a gas burner 13, an air inlet of the combustion furnace 10 is connected to an outlet of the second blower 11, a combustion inlet of the combustion furnace 10 is connected to an outlet of the fuel tank 12, and an outlet of the gas burner 13 is connected to a gas fuel inlet of the combustion furnace 10; wherein, the upgrading furnace 3 is provided with a gas outlet at one end of the solid outlet, the inlet of the gas burner 13 is connected with the gas outlet of the upgrading furnace 3, a plurality of gas inlets are distributed around the wall surface of the upgrading furnace 3, the outlet of the first blower 5 and the outlet of the circulating fan 6 are respectively connected with each gas inlet through pipelines, and the flue gas outlet bypass of the combustion furnace 10 is connected with the inlet of the circulating fan 6 to form gas circulation.

The method for upgrading the organic solid wastes through the device comprises the following steps of:

in this embodiment, straw biomass raw materials are filled in the solid waste bin 1 and the fuel bin 12.

S1, starting a second air feeder 11, starting a circulating fan 6, starting a fuel bin 12, igniting a combustion furnace 10 to heat, enabling high-temperature flue gas of the combustion furnace 10 to enter a quality-improving furnace 3 through the circulating fan 6, heating the quality-improving furnace 3 to a specified temperature, and enabling the specified temperature of the straw biomass raw material to be 400 ℃;

s2, when the temperature of the whole device reaches the organic solid waste quality improvement temperature, closing the fuel bin 12, and opening the spiral feeder 2, the spiral feeder 4, the first air feeder 5, the valve 9, the spiral discharger 7 and the gas burner 13; opening the solid waste bin 1, allowing the organic solid waste to enter an inlet of the spiral feeder 2 through an outlet of the solid waste bin 1, allowing the organic solid waste to enter a solid inlet of the quality-improving furnace 3 from an outlet of the spiral feeder 2 under the action of the spiral feeder 2, slowly moving the organic solid waste towards the solid outlet under the action of the spiral pusher, and adjusting loads of the first air feeder 5 and the circulating fan 6 to heat the organic solid waste in the quality-improving furnace 3 while floating; wherein, the opening degree of the valve 9 is adjusted, the ordered oxidation of the organic solid waste is controlled, and the temperature of the upgrading furnace 3 is kept at 400 ℃;

s3, after the organic solid waste is subjected to high temperature of 400 ℃ and ordered oxidation, decomposing the organic solid waste into reducing gas and solid products, feeding the reducing gas into a gas burner 13 through a gas outlet of the upgrading furnace 3, feeding the solid products into a spiral discharger 7 through a solid outlet of the upgrading furnace 3, and feeding the solid products into an upgrading bin 8 through the spiral discharger 7 to finish upgrading of the organic solid waste;

and S4, the reducing gas passes through the gas burner 13 and then is completely combusted in the combustion furnace 10 to generate high-temperature flue gas, and the high-temperature flue gas passes through the circulating fan 6 and then enters the upgrading furnace 3 again for heating the organic solid waste to realize circulation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for improving the quality of organic solid wastes by fuel is characterized by comprising:

the quality improving mechanism comprises a quality improving furnace and a quality improving bin, wherein the quality improving furnace is provided with a solid inlet and a solid outlet, a spiral discharger is arranged in the quality improving furnace and used for conveying the solids in the quality improving furnace to the solid outlet, and the quality improving bin is connected with the solid outlet;

2. The organic solid waste fueling and upgrading apparatus according to claim 1, wherein: each pipeline connected with the air inlet is provided with a valve.

3. The organic solid waste fueling and upgrading apparatus according to claim 1, wherein: and a feeding mechanism is further installed at the solid inlet of the quality-improving furnace, the feeding mechanism comprises a solid waste bin and a spiral feeder, the outlet of the solid waste bin is connected with the inlet of the spiral feeder, and the outlet of the spiral feeder is connected with the solid inlet of the quality-improving furnace.

4. The organic solid waste fuel upgrading device according to claim 1, wherein: a spiral discharger is arranged between the upgrading furnace and the fuel bin, an inlet of the spiral discharger is connected with a solid outlet of the upgrading furnace, and an outlet of the spiral discharger is connected with an inlet of the upgrading bin.

5. The organic solid waste fuel upgrading device according to claim 1, wherein: the solid comprises domestic garbage, town sludge, industrial waste, agricultural and forestry waste and lignite.