阅读说明：本技术 一种能回收生物质油的微波制备生物炭装置 (Microwave biochar preparation device capable of recycling biomass oil ) 是由 张学杨 曹澄澄 杨洁雅 张建昆 谭珍珍 于 2019-10-30 设计创作，主要内容包括：本发明公开了一种能回收生物质油的微波制备生物炭装置,包括保护装置、反应装置和回收装置,将生物质和活性炭纤维放置到反应装置内,然后保护装置实时向反应装置内注入氮气,使反应装置内充满氮气,此时开启反应装置的微波加热试验仪通过微波照射升温使生物质和活性炭纤维发生反应,由于充满氮气使得反应在无氧气环境下进行,从而保证反应的稳定性；反应时产生的油、气等废弃物通过管路进入回收装置,回收装置对废弃物冷却后进行分类回收。因此本发明能使生物质与活性炭在烧制过程中稳定反应,避免氧气对反应的干扰；同时能对反应后产生的油、气等废弃物进行回收及净化,防止其污染环境。(The invention discloses a microwave biochar preparation device capable of recycling biomass oil, which comprises a protection device, a reaction device and a recovery device, wherein biomass and activated carbon fibers are placed in the reaction device, then the protection device injects nitrogen into the reaction device in real time to ensure that the reaction device is filled with the nitrogen, a microwave heating tester of the reaction device is started to heat the biomass and the activated carbon fibers through microwave irradiation, so that the biomass and the activated carbon fibers react, and the reaction is carried out in an oxygen-free environment due to the fact that the nitrogen is filled, so that the stability of the reaction is ensured; the waste such as oil, gas and the like generated in the reaction enters a recovery device through a pipeline, and the recovery device is used for cooling the waste and then classifying and recovering the waste. Therefore, the biomass and the activated carbon can stably react in the firing process, and the interference of oxygen on the reaction is avoided; meanwhile, the waste such as oil, gas and the like generated after reaction can be recovered and purified, so that the environment pollution is prevented.)

1. A microwave biochar preparation device capable of recycling biomass oil is characterized by comprising a protection device, a reaction device and a recycling device

The reaction device comprises a temperature sensor, a temperature display meter, a quartz tank and a microwave heating tester, wherein the quartz tank is arranged inside the microwave heating tester and comprises a rectangular outer tank, a rectangular inner tank and a fixed adjusting plate, the rectangular inner tank and the fixed adjusting plate are both arranged in the rectangular outer tank, biomass is filled in the rectangular inner tank, a layer of activated carbon fiber is wrapped on the outer surface of the rectangular inner tank, a plurality of strip-shaped grooves are formed in the bottom of the rectangular outer tank, and one end of the fixed adjusting plate is inserted into one of the strip-shaped grooves to enable the activated carbon fiber to be tightly pressed with the outer surface of the rectangular inner tank; the temperature sensor is fixed inside the rectangular inner tank, the temperature display meter is arranged outside the microwave heating tester, and the temperature sensor is electrically connected with the temperature display meter;

the protection device comprises a nitrogen generator and a flow regulator, wherein the air inlet of the flow regulator is hermetically connected with the outlet end of the nitrogen generator, the air outlet of the flow regulator is connected with one end of a nitrogen pipeline, and the other end of the nitrogen pipeline extends into the microwave heating tester and is communicated with the rectangular inner tank;

the recovery device comprises a cooling pipe, a fluid filtering collector and a gas purifier, wherein the cooling pipe comprises an inner pipe and an outer pipe, the inner pipe is positioned in the outer pipe, a cooling water flowing space is formed between the inner pipe and the outer pipe, a water outlet and a water inlet are formed in the outer surface of the outer pipe, and the water outlet and the water inlet are both communicated with the cooling water flowing space; one end of the inner pipe is communicated with the inside of the microwave heating tester through a pipeline, the other end of the inner pipe is communicated with the inlet of the fluid filtering collector through a pipeline, and the outlet of the fluid filtering collector is communicated with the gas purifier through a pipeline.

2. The microwave-assisted biochar preparation device capable of recycling bio-oil according to claim 1, wherein the fluid filter collector is multiple, and the fluid filter collectors are connected in series through a pipeline.

3. The microwave-based biochar preparation device capable of recycling bio-oil according to claim 1, wherein the cooling pipe is made of stainless steel.

Technical Field

The invention relates to a microwave pyrolysis reaction device, in particular to a microwave biochar preparation device capable of recycling biomass oil.

Background

The environmental pollution is more serious along with the development of society, people save resources, and the awareness of protecting the environment is stronger, so that the biological activated carbon with high adsorption strength which is efficiently fired for adsorbing pollutants becomes an important component in the process of protecting the environment. The existing biomass and activated carbon are difficult to uniformly and fully react in the firing process of a quartz pot, the reaction stability is uncontrollable due to the influence of oxygen in the air in the firing process, after the firing is finished, part of the bioactive carbon is scattered in the air in the screening process, so that the yield is deviated, and the firing degrees of the obtained products are uneven; wastes such as oil and gas generated after firing are difficult to recover, and thus the environment is polluted.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a device for preparing biochar by microwave, which can recover biomass oil, can ensure that biomass and activated carbon stably react in the firing process, and avoid the interference of oxygen on the reaction; the waste such as oil, gas and the like generated after the reaction can be recycled and purified, and the environment pollution is prevented.

In order to achieve the purpose, the invention adopts the technical scheme that: a microwave biochar preparing device capable of recovering biomass oil comprises a protection device, a reaction device and a recovery device

The reaction device comprises a temperature sensor, a temperature display meter, a quartz tank and a microwave heating tester, wherein the quartz tank is arranged inside the microwave heating tester and comprises a rectangular outer tank, the wall thickness of the tank is 3mm, the thickness of the rectangular inner tank is 2mm, and a fixed adjusting plate is arranged in the rectangular outer tank, the rectangular inner tank and the fixed adjusting plate are both positioned in the rectangular outer tank, biomass is filled in the rectangular inner tank, the outer surface of the rectangular inner tank is wrapped with a layer of activated carbon fiber, a plurality of strip-shaped grooves are formed in the bottom in the rectangular outer tank, and one end of the fixed adjusting plate is inserted into one of the strip-shaped grooves to enable the activated carbon fiber to be tightly pressed with the outer surface of the; the temperature sensor is fixed inside the rectangular inner tank, the temperature display meter is arranged outside the microwave heating tester, and the temperature sensor is electrically connected with the temperature display meter;

the protection device comprises a nitrogen generator and a flow regulator, wherein an air inlet of the flow regulator is hermetically connected with an outlet end of the nitrogen generator, an air outlet of the flow regulator is connected with one end of a nitrogen pipeline, the other end of the nitrogen pipeline extends into the microwave heating tester and is communicated with the rectangular inner tank, and the flow regulator regulates the flowing speed of nitrogen to be about 50-500 mL/min;

the recovery device comprises a cooling pipe, a fluid filtering collector and a gas purifier, wherein the cooling pipe comprises an inner pipe and an outer pipe, the inner pipe is positioned in the outer pipe, a cooling water flowing space is formed between the inner pipe and the outer pipe, a water outlet and a water inlet are formed in the outer surface of the outer pipe, and the water outlet and the water inlet are both communicated with the cooling water flowing space; one end of the inner pipe is communicated with the inside of the microwave heating tester through a pipeline, the other end of the inner pipe is communicated with the inlet of the fluid filtering collector through a pipeline, and the outlet of the fluid filtering collector is communicated with the gas purifier through a pipeline.

Further, the fluid filtering collector is a plurality of fluid filtering collectors which are connected in series through a pipeline.

Further, the cooling pipe is made of stainless steel.

Wherein, the fixed regulating plate can compress and fix the activated carbon fibers with different thicknesses by inserting different strip-shaped grooves.

Compared with the prior art, the method adopts a mode of combining the protection device, the reaction device and the recovery device, the biomass and the activated carbon fiber are placed in the reaction device, then the protection device injects nitrogen into the reaction device in real time, so that the reaction device is filled with nitrogen, at the moment, a microwave heating tester of the reaction device is started to react the biomass and the activated carbon fiber by microwave irradiation and heating, and the reaction is carried out in an oxygen-free environment due to the fact that nitrogen is filled, so that the stability of the reaction is ensured; the waste such as oil, gas and the like generated in the reaction enters a recovery device through a pipeline, and the recovery device is used for classifying, recovering and purifying the cooled waste. Therefore, the biomass and the activated carbon can stably react in the firing process, and the interference of oxygen on the reaction is avoided; meanwhile, the waste such as oil, gas and the like generated after reaction can be recovered and purified, so that the environment pollution is prevented.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view showing the structure of the quartz pot according to the present invention.

In the figure: 1. the device comprises a nitrogen generator, 2 parts of a flow regulator, 3 parts of a quartz tank, 3-1 parts of activated carbon fibers, 3-2 parts of a temperature sensor, 3-3 parts of a rectangular inner tank, 3-4 parts of a fixed adjusting plate, 3-5 parts of a rectangular outer tank, 4 parts of a microwave heating tester, 5 parts of a temperature display meter, 6 parts of a water inlet, 7 parts of a cooling pipe, 8 parts of a water outlet, 9 parts of a fluid filtering collector, 10 parts of a gas purifier.

Detailed Description

The present invention will be further explained below.

As shown in the figure, the invention comprises a protection device, a reaction device and a recovery device

The reaction device comprises a temperature sensor 3-2, a temperature display table 5, a quartz tank 3 and a microwave heating tester 4, wherein the quartz tank 3 is arranged inside the microwave heating tester 4, the quartz tank 3 comprises a rectangular outer tank 3-5, the thickness of the tank wall is 3mm, a rectangular inner tank 3-3, the thickness of the tank wall is 2mm, and a fixed adjusting plate 3-4, the thickness of the fixed adjusting plate is 2mm, the rectangular inner tank 3-3 and the fixed adjusting plate 3-4 are both positioned in the rectangular outer tank 3-5, biomass is filled in the rectangular inner tank 3-3, a layer of activated carbon fiber 3-1 is wrapped on the outer surface of the rectangular inner tank 3-3, a plurality of strip-shaped grooves are formed in the bottom of the rectangular outer tank 3-5, one end of the fixed adjusting plate 3-4 is inserted into one of the strip-shaped grooves, so that the activated carbon fiber 3-1 is tightly pressed with the outer, the temperature sensor 3-2 is fixed inside the rectangular inner tank 3-3, the temperature display meter 5 is arranged outside the microwave heating tester 4, and the temperature sensor 3-2 is electrically connected with the temperature display meter 5;

the protection device comprises a nitrogen generator 1 and a flow regulator 2, wherein an air inlet of the flow regulator 2 is hermetically connected with an outlet end of the nitrogen generator 1, an air outlet of the flow regulator 2 is connected with one end of a nitrogen pipeline, the other end of the nitrogen pipeline extends into a microwave heating tester 4 and is communicated with a rectangular inner tank 3-3, and the flow regulator 2 regulates the flowing speed of nitrogen, and the flowing speed of the nitrogen is about 300-500 mL/min;

the recovery device comprises a cooling pipe 7, a fluid filtering collector 9 and a gas purifier 10, wherein the cooling pipe 7 comprises an inner pipe and an outer pipe, the inner pipe is positioned in the outer pipe, a cooling water flowing space is formed between the inner pipe and the outer pipe, a water outlet 8 and a water inlet 6 are formed in the outer surface of the outer pipe, and the water outlet 8 and the water inlet 6 are both communicated with the cooling water flowing space; one end of the inner pipe is communicated with the inside of the microwave heating tester 4 through a pipeline, the other end of the inner pipe is communicated with an inlet of the fluid filter collector 9 through a pipeline, and an outlet of the fluid filter collector 9 is communicated with the gas purifier 10 through a pipeline.

Further, the fluid filter collector 9 is provided in plurality, and the plurality of fluid filter collectors 9 are connected in series through a pipeline.

Further, the cooling pipe 7 is made of stainless steel.

The cooling pipe 7, the fluid filter collector 9, the gas purifier 10, the microwave heating tester 4, the nitrogen generator 1 and the flow regulator 2 are all existing devices.

When the biomass packing box is used, firstly, biomass is uniformly placed into a rectangular inner tank 3-3, then a layer of activated carbon fiber 3-1 is wrapped on the outer surface of the rectangular inner tank 3-3, the wrapped rectangular inner tank 3-3 is placed into a rectangular outer tank 3-5, a fixing adjusting plate 3-4 is placed into the rectangular outer tank 3-5 and is inserted into one of the strip-shaped grooves, one side of the fixing adjusting plate 3-4 is tightly pressed with the activated carbon fiber 3-1 on one side of the rectangular inner tank 3-3, meanwhile, the activated carbon fiber 3-1 on the other side of the rectangular inner tank 3-3 is tightly pressed with the side wall of the rectangular outer tank 3-5, and the activated carbon fibers 3-1 with different thicknesses can be tightly pressed and fixed by inserting the fixing adjusting plate 3-4 into different strip-shaped grooves; putting the filled rectangular outer tank 3-5 into a microwave heating tester 4, and keeping the side wall of the rectangular outer tank 3-5, which is in contact with the activated carbon fiber 3-1, parallel to a microwave irradiation surface generated by the microwave heating tester 4; setting reaction temperature and reaction time on a microwave heating tester 4; at the moment, the flow regulator 2 is opened to control the flow rate, so that nitrogen flows into the microwave heating tester 4 through a pipeline, after the nitrogen flows for a period of time, the microwave heating tester 4 is opened after the reaction environment in the microwave heating tester 4 is stable, the rectangular outer tank 3-5 is heated through microwaves at the moment, the temperature sensor 3-2 transmits the detected real-time temperature of the rectangular inner tank 3-3 to the temperature display table 5, the temperature display table 5 is used for observing and maintaining the temperature after the temperature reaches the set reaction temperature, and the biomass and the activated carbon fiber 3-1 react in the rectangular outer tank 3-5; waste such as oil, gas and the like generated in the reaction process enter the cooling pipe 7 through the pipeline to be cooled to form an oil-gas mixture, the oil-gas mixture is separated and recycled from waste oil through the fluid filtering collector 9, and then the residual waste gas enters the gas purifier 10 to be filtered to release clean gas. And when the set reaction time is up, stopping the operation of the microwave heating tester 4 and closing the flow regulator 2, and finally taking out the generated biological activated carbon from the rectangular outer tank 3-5.