阅读说明：本技术 一种微型水浴调控好氧堆肥反应器 (Micro water-bath regulation and control aerobic composting reactor ) 是由 丁国春 李季 孟雅 陈彦廷 丁晓艳 于 2020-05-29 设计创作，主要内容包括：本发明公开了一种微型水浴调控好氧堆肥反应器,包括：水浴容器,底部设置水浴气路；发酵罐,包括罐底和罐体,罐底为上端敞口的容器,罐底底面延伸出罐底的侧壁,架设在水浴气路上,罐体为下端敞口的容器,其下端口径大于罐底上端口径,并由罐底上端口向下套设与罐底底面拼接；水浴容器内设有电阻丝、水温探头；发酵罐内设有物温探头及其他参数探头,同时设置出气口和数据采集口；控制面板。本发明可实现水浴控温条件下有机废弃物的好氧堆肥过程,可以将多种质地物料进行小面积堆肥,并可通过微生物筛选高温菌株的方法筛选出大量微生物菌种,同时实时检测堆肥进程,并掌握堆肥温度、含水率、pH数值等参数。(The invention discloses a micro water-bath regulation aerobic composting reactor, which comprises: a water bath container, wherein the bottom of the water bath container is provided with a water bath gas circuit; the fermentation tank comprises a tank bottom and a tank body, wherein the tank bottom is a container with an opening at the upper end, the bottom surface of the tank bottom extends out of the side wall of the tank bottom and is erected on a water bath gas path, the tank body is a container with an opening at the lower end, the caliber of the lower end of the tank body is larger than that of the upper end of the tank bottom, and the tank body is downwards sleeved with the upper end opening of the tank bottom and is spliced with the bottom surface of; a resistance wire and a water temperature probe are arranged in the water bath container; a material temperature probe and other parameter probes are arranged in the fermentation tank, and an air outlet and a data acquisition port are arranged at the same time; a control panel. The invention can realize the aerobic composting process of organic wastes under the water bath temperature control condition, can carry out small-area composting on various texture materials, can screen out a large number of microbial strains by a method of screening high-temperature strains by microorganisms, simultaneously detects the composting process in real time, and masters parameters such as composting temperature, water content, pH value and the like.)

1. A micro water bath regulation aerobic composting reactor is characterized by comprising:

the water bath container (1), the bottom of the water bath container (1) is provided with a water bath gas circuit (2);

the fermentation tank comprises a tank bottom (301) and a tank body (302), wherein the tank bottom (301) is a container with an open upper end, the bottom surface of the tank bottom (301) extends out of the side wall of the tank bottom (301) and is erected on the water bath gas circuit (2), the tank body (302) is a container with an open lower end, the caliber of the lower end of the tank body is larger than that of the upper end of the tank bottom (301), the tank body is sleeved downwards from the upper end opening of the tank bottom (301), the lower end opening of the tank body (302) is hermetically spliced with the bottom surface of the tank bottom (301), and the upper end of the tank bottom (301) extends to the upper end surface of the water bath container (1;

a resistance wire (4) is arranged in the water bath container (1), and water bath heating is realized by electrifying;

a water temperature probe (5) is arranged in the water bath container (1), a material temperature probe (6) and other parameter probes are arranged in the fermentation tank, and an air outlet (7) and a data acquisition port (8) are arranged at the same time;

and the control panel (9) is connected with the water temperature probe (5), the object temperature probe (6) and other parameter probes and displays data.

2. The micro aerobic composting reactor with water bath regulation and control as claimed in claim 1, wherein: the water bath gas circuit (2) comprises a plurality of pipelines (201) which are arranged at the bottom of the water bath container (1) at intervals, the pipelines are communicated with the main pipeline (10), the water bath container (1) extends from the inside of the water bath container (1) and is connected with the air compressor (11), a plurality of aeration heads (202) are arranged on the pipelines (201) at intervals, and a plurality of one-way holes are formed in the aeration heads (202).

3. The micro aerobic composting reactor with water bath regulation and control as claimed in claim 1, wherein: the side wall of the tank bottom (301) and the side wall of the tank body (302) are sleeved at intervals, a water guide pipe (12) is arranged in the fermentation tank, one end of the water guide pipe (12) is located in a gap between the side wall of the tank bottom (301) and the side wall of the tank body (302), and the other end of the water guide pipe extends out of the fermentation tank and is connected with a water absorption device (13).

4. The micro aerobic composting reactor with water bath regulation and control as claimed in claim 1, wherein: the other parameter probes include, but are not limited to, a moisture content probe (14) and a pH probe (15).

5. The micro aerobic composting reactor with water bath regulation and control as claimed in claim 1, wherein: and the gas outlet (7) and the data acquisition port (8) are both arranged at the upper end part of the tank body (302).

6. The micro aerobic composting reactor with water bath regulation and control as claimed in claim 1, wherein: the fermentation tank is made of a breathable and waterproof ceramic material.

Technical Field

The invention relates to the technical field of organic solid waste disposal and resource utilization, in particular to a micro water-bath regulation aerobic composting reactor.

Background

Aerobic composting is the decomposition and conversion of organic matters in garbage into CO under the condition that the nutrient, moisture and ventilation conditions are suitable for microbial communities₂，H₂O, inorganic matter and biological cell matter, while releasing energy and reforming solid waste into stable humus. Aerobic composting is a process that under aerobic conditions, aerobic microorganisms decompose and oxidize a part of organic matters into simple inorganic matters through own catabolism and anabolism processes, so as to obtain energy required by metabolism of the microorganisms, and simultaneously convert a part of the organic matters into new cell matters, so that the microorganisms grow and reproduce, and more organisms are generated.

Water bath regulation and control are applied to experimental equipment such as a constant-temperature water bath kettle, a water bath constant-temperature oscillator, a constant-temperature water bath box and the like in a laboratory at present.

The composting reactor equipment has the functions of improving and promoting microbial metabolism, facilities or operations such as turning, aeration stirring, mixing, assisting ventilation and the like are operated to control the temperature and the water content of a compost body in the fermentation process, and meanwhile, the problems of material movement and material discharging are solved in the reactor composting, so that the aims of improving the fermentation rate, shortening the fermentation period and realizing mechanical production are finally fulfilled. The reactor composting processes operate similarly to static composting processes, e.g., they all employ forced air, little or no turning, etc. The reactor composting comprises a silo type composting reactor, a tower type composting reactor, a drum type composting reactor, a stirring box composting reactor, a circular stirring bed composting reactor, a tunnel kiln type composting reactor and the like, and the reactors have large occupied area and high manufacturing cost and are not suitable for composting experiments in limited areas of laboratories.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the defects of the background art, the invention discloses a micro water-bath regulation and control aerobic composting reactor which has the functions of water-bath heating temperature control, preheating ventilation, water removal and the like, can realize real-time sampling, and can detect the moisture content and the pH value of composting materials on line.

The technical scheme is as follows: the invention relates to a micro water-bath regulation aerobic composting reactor, which comprises:

the bottom of the water bath container is provided with a water bath gas circuit;

the fermentation tank comprises a tank bottom and a tank body, wherein the tank bottom is a container with an open upper end, the bottom surface of the tank bottom extends out of the side wall of the tank bottom and is erected on a water bath gas circuit, the tank body is a container with an open lower end, the caliber of the lower end of the tank body is larger than that of the upper end of the tank bottom, the tank bottom is sleeved downwards from the upper end opening of the tank bottom, the tank bottom is connected with the bottom surface of the tank bottom in a sealing manner until the lower end opening of the tank body is spliced, and the upper end of the;

resistance wires are arranged in the water bath container, and water bath heating is realized by electrifying;

a water temperature probe is arranged in the water bath container, a material temperature probe and other parameter probes are arranged in the fermentation tank, and an air outlet and a data acquisition port are arranged at the same time;

and the control panel is connected with the water temperature probe, the object temperature probe and other parameter probes and displays data.

During the use, take out the jar body earlier, arrange the compost material in the tank bottoms, and with thing temperature probe, inside compost material was put into to moisture content probe and pH probe, it can adjust by oneself according to the experiment requirement to place the position, put into the water bath container with the temperature probe inside again, the water bath container is followed upper end water filling port department and is filled with the running water, fill up the back and seal up the water filling port with the rubber stopper, it has rivers to go out to avoid the reactor operation, then connect, open air compressor, the mode through the water bath gas circuit is ventilated, realize the aerobic fermentation of material.

If the side wall gap of the fermentation tank has more water in the experimental process, the excess liquid can be sucked out of the fermentation tank from the water guide pipe. And observing the parameters of material temperature, water content and pH in the composting process at the control panel from time to time. When the experiment is finished, water is discharged from the water outlet of the water bath container, when the water surface is lower than the side surface of the tank body, the water is stopped, the water outlet is tightly plugged by a rubber plug, and water is prevented from flowing out. And finally, taking out the tank body, and taking out the materials, wherein the materials realize complete aerobic composting reaction.

Furthermore, the water bath gas circuit comprises a plurality of pipelines which are arranged at the bottom of the water bath container at intervals, the pipelines are communicated with the main pipeline, the inside of the water bath container extends out of the water bath container and is connected with an air compressor, a plurality of aeration heads are arranged on the pipelines at intervals, and a plurality of one-way holes are formed in the aeration heads. The holes are opened during air supply to form micro bubbles, and are automatically closed during air cut-off, so that preheated water is prevented from entering the pipeline, and the air circuit is prevented from being blocked.

Furthermore, the side wall of the tank bottom and the side wall of the tank body are sleeved at intervals, a water guide pipe is arranged in the fermentation tank, one end of the water guide pipe is positioned in a gap between the side wall of the tank bottom and the side wall of the tank body, the other end of the water guide pipe extends out of the fermentation tank and is connected with a water absorption device, and liquid permeating into the gap is sucked out of the fermentation tank through the water guide pipe.

Further, the other parameter probes include but are not limited to a water content probe and a pH probe, and the required parameter values are measured in real time.

Further, gas outlet and data acquisition mouth all locate the upper end of jar body.

Furthermore, the fermentation tank is made of a breathable and waterproof ceramic material.

Has the advantages that: compared with the prior art, the invention has the advantages that: the invention can realize the aerobic composting process of organic waste under the water bath temperature control condition, can carry out small-area composting on materials with various textures, and can screen out a large amount of microbial strains by a method of screening high-temperature strains by microorganisms; the composting process can be detected in real time, and parameters such as composting temperature, moisture content, pH value and the like can be mastered; the aerobic composting device has the characteristics of detachability, small bearing, low manufacturing cost and easy operation, can achieve the aerobic composting effect with the volume of 500ml, and provides convenience for researchers in the aspect of microorganism screening technology.

Drawings

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

FIG. 2 is a schematic view of the gas circuit of the water bath of the present invention;

FIG. 3 is a schematic view of the split structure of the fermentation tank of the present invention.

Detailed Description

The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.

The micro water bath regulation aerobic composting reactor shown in figure 1 comprises:

the water bath container 1 is characterized in that a water bath air passage 2 is arranged at the bottom of the water bath container 1, the water bath container 1 is in a 30 cm-30 cm cube shape and used for storing water, the water bath container is made of stainless steel, and the water bath container is good in sealing and heat insulation, is corrosion-resistant overall and particularly rusts. A resistance wire 4 is arranged in the water bath container 1, is spiral, has the specification of 0.5mm, and is electrified to realize water bath heating.

As shown in fig. 2, the water bath gas circuit 2 includes a plurality of pipelines 201 arranged at intervals at the bottom of the water bath container 1, all communicate with the main pipeline 10, extend out of the water bath container 1 from the inside of the water bath container 1, and are connected with the air compressor 11, and can spray gas with the same temperature as the liquid in the water bath container 1, the main pipeline 10 is of a seamless steel pipe structure, the outer diameter is 2mm, the wall thickness is 0.5mm, the joint is internally buckled with an internal nut and an external nut, a plurality of aeration heads 202 are arranged at intervals on the pipeline 201, a plurality of one-way holes are formed on the aeration heads 202, the holes are opened during air supply, micro bubbles are formed, and the holes are automatically. Avoid preheating water to get into the pipeline, prevent to block up the gas circuit. The air compressor used has the air storage capacity of 5L, the air displacement of 80L/min and the rotating speed of 1400 rpm. The size was 30.5cm 39.5cm 41 cm.

The fermenter, as shown in FIG. 3, comprises a bottom 301 and a body 302. The fermentation tank is made of air-permeable and water-impermeable ceramic materials, such as purple sand, Chinese tiles and the like.

The tank bottom 301 is a cylindrical container with an opening at the upper end, the bottom surface of the tank bottom 301 extends out of the side wall of the tank bottom 301 and is erected on the water bath gas circuit 2, and the caliber of the side wall is 9cm, and the height is 9 cm; the tank body 302 is a cylindrical container with an open lower end, the upper end of the tank body is of a round table-shaped structure, the caliber of the lower end of the tank body is larger than that of the upper end of the tank bottom 301, the tank bottom 301 is sleeved downwards from the upper end opening of the tank bottom, the lower end opening of the tank body 302 is in sealed splicing with the bottom surface of the tank bottom 301, the upper end of the tank bottom 301 extends to the upper end surface of the water bath container 1, the caliber of the side wall is 11cm, the height of the side wall is 11 cm. The water guide pipe 12 is arranged, one end of the water guide pipe extends into the gap, the other end of the water guide pipe extends out of the fermentation tank and is connected with the water absorption device 13, and the water absorption device can be directly realized by adopting an ear washing ball. The lower port of the tank body 302 is wound by rubber, so that no gap is formed when the tank body is sleeved with the bottom surface of the tank bottom 301, and sealing is realized. When external liquid is sealed improperly and seeps into the gap, or water in the fermentation tank flows into the gap from the top inclined wall, the accumulated water in the gap is sucked out by the water guide pipe 12 and the water sucking device 13.

A water temperature probe 5 is arranged in the water bath container 1 and used for controlling the water temperature, the controllable range is 25-100 ℃, a digital display thermometer is adopted, an integrated circuit is used, and the water bath container has a waterproof function.

A material temperature probe 6, a water content probe 14 and a pH probe 15 are arranged in the fermentation tank, and an air outlet 7 and a data acquisition port 8 are arranged at the same time; the material temperature probe 6 is used for controlling the material temperature, the water bath temperature changes along with the temperature of the stack body, and the temperature error is controlled to be 1 ℃. The highest following temperature of the pile body can be set, when the temperature of the fermented material is reduced, the refrigeration work is controlled to reduce the water temperature, the temperature difference lower than the material temperature by 1 ℃ is continuously kept, the flexible control of the internal and external temperature difference is realized, a digital display thermometer is adopted, an integrated circuit is used, and the waterproof function is realized; a water content probe 14, an integrated circuit and a waterproof function. A pH probe, an integrated circuit and a waterproof function are adopted; the data acquisition port 8 is 131mm 81mm 15mm, selects PC18735, and can be directly inserted into any PCI slot in IBM-PC/AT or a computer compatible with the IBM-PC/AT; and the air outlet 7 is mainly used for the air exhaust function in the composting process, and the diameter of the aperture is set to be 2 mm.

The control panel 9 is arranged outside and connected with the water temperature probe 5, the object temperature probe 6, the water content probe 14 and the pH probe 15 to display the measured data, so that the sample composting process can be observed conveniently.

The reactor of the embodiment has small volume and very high requirement on the precision of container materials;the reactor has small volume and does not need stirring function. The aeration mode adopts forced ventilation, and the recommended aeration parameter is 0.05-0.2m according to the technical specification of domestic waste compost treatment CJJ 52-2014 standard formulated in China³·min^-1·m^-3The organic substance has a conversion value of 0.22-0.88L/min/kg, and 150-200 g of material can be added into 500ml of effective volume, i.e. 0.066-0.352L/min/kg.