CN210765038U - Kitchen waste stirred tank reactor - Google Patents
Kitchen waste stirred tank reactor Download PDFInfo
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- CN210765038U CN210765038U CN201921735958.XU CN201921735958U CN210765038U CN 210765038 U CN210765038 U CN 210765038U CN 201921735958 U CN201921735958 U CN 201921735958U CN 210765038 U CN210765038 U CN 210765038U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
Abstract
A kitchen waste stirring kettle type reactor comprises a kettle body, wherein the inner cavity of the kettle body is divided into a first reaction chamber and a second reaction chamber through a tank bottom filter plate, and the inner cavity of the first reaction chamber is divided into more than two tanks through a tank separation plate; a through hole is arranged at the filter plate at the bottom of the rightmost groove, and a movable plugboard assembly is arranged at the through hole; a first stirrer is arranged in the first reaction chamber, the first stirrer comprises a stirring shaft and a plurality of stirring paddle groups which are sequentially arranged on the stirring shaft along the axial direction, and each stirring paddle group consists of a plurality of stirring paddles which are annularly distributed on the radial direction of the stirring shaft; more than one second stirrer is arranged in the second reaction chamber, and the second stirrer is a spiral stirrer. The utility model is used for residential area kitchen garbage is resource biochemical treatment on the spot, collects on the spot, smashes direct biochemical treatment and processes into organic fertilizer with it, realizes the resource and recycles, reduces the volume and reduces the volume, changing waste into valuables improves the environment, and the reasonable technique of equipment structure is advanced, biochemical treatment is efficient, take up an area of for a short time, without sewage filtration equipment.
Description
Technical Field
The utility model relates to a technical field of kitchen garbage resourceful treatment especially relates to a kitchen garbage biochemical treatment's stirred tank reactor.
Background
At present, the kitchen waste of many urban, rural and urban residential area families is not put in a classified mode, the kitchen waste and the household waste are mixed and put into a garbage bag and put into a residential area garbage can, garbage cleaning personnel pour the garbage can into a garbage truck and transport the garbage can to a garbage transfer station and pour the garbage can into a compressor, and the garbage truck with large tonnage is transported to a suburb garbage treatment center after compression to carry out a plurality of garbage treatment processes such as bag breaking, sorting, magnetic separation, composting and the like. The separation difficulty is high, the operation environment emits odor, the working procedures are multiple, the time is long, and the putrefaction degree of the food waste is increased. A large amount of domestic garbage is not treated in time because of the lack of classification treatment facilities every day.
The problems of environmental pollution, health, influence on urban image and the like caused by the increasing and lagging collection and transportation treatment modes of urban kitchen waste are more and more serious. Many countries have paid high attention to the requirement for harmless resource treatment of kitchen waste sources, and many cities have active kitchen waste resource treatment plans. The kitchen waste is greatly produced in cities and towns in China, the resources are recycled by local disposal, and the kitchen waste is converted into fertilizers which can be absorbed by plants through biological fermentation, so that the method is suitable for the development requirement of a new era beautiful environment in China. The garbage classification is effectively implemented in many towns, the classified garbage cans are scattered and collected and then are concentrated to a treatment point, and the garbage in the garbage cans is poured into the biochemical treatment integrated machine by the lifting dumping mechanism for dehydration, deoiling, crushing and recycling biochemical treatment. The kitchen waste is dispersed, collected and stored for a long time, a dehydrator and an oil-water separation device are arranged in the all-in-one machine, the dehydrated waste is conveyed to a reaction kettle by a conveying device, the dehydrating, deoiling and conveying device occupies a lot of space, sewage is discharged by a municipal drainage pipeline, separated grease is collected, stored and conveyed to a professional treatment plant for treatment, the kitchen waste oil is used for producing biodiesel, lubricating oil and the like, the secondary processing process of the kitchen waste oil is complex and high in cost, the equipment in the prior art is complex and occupies large space, a municipal sewage pipeline is required, and the kitchen waste is not suitable for being placed near residences in residential areas and is not suitable for being installed and.
Disclosure of Invention
To the above-mentioned problem, according to family kitchen garbage characteristics, the utility model provides a kitchen garbage stirred tank formula reactor, mainly used residential area kitchen garbage is resourceful on the spot, innoxious biochemical treatment, collect on the spot, smash direct microbiological chemical reaction and handle and process into organic fertilizer with it, realize resourceful reuse, reduce the volume decrement, changing waste into valuables, improve the environment, the peculiar smell free discharges, without sewage filtration equipment, without oil water separating equipment, without municipal sewer line discharge sewage, equipment area is little, rubbish biochemical treatment is efficient.
The technical scheme of the utility model is that: the reaction kettle comprises a kettle body, wherein the inner cavity of the kettle body is divided into a first reaction chamber positioned at the upper part and a second reaction chamber positioned at the lower part through a tank bottom filter plate, and the inner cavity of the first reaction chamber is divided into more than two tanks which are sequentially arranged from left to right through a tank separation plate; a through hole is arranged at the bottom filter plate of the groove positioned at the rightmost side, and a movable plugboard assembly is arranged at the through hole; a first stirrer is arranged in the first reaction chamber, the first stirrer comprises a stirring shaft and a plurality of stirring paddle groups which are sequentially arranged on the stirring shaft along the axial direction, each stirring paddle group consists of a plurality of stirring paddles which are annularly distributed on the radial direction of the stirring shaft, the middle part of the stirring shaft penetrates through a abdicating through hole on a separating groove plate, two ends of the stirring shaft are arranged at first shaft sealing devices on the left side wall and the right side wall of the first reaction chamber, a first motor reducer for driving the stirring shaft to rotate is arranged outside the left side wall of the first reaction chamber, a first discharge port is arranged on the right side wall of the first reaction chamber, and a discharge valve is arranged at; more than one second stirrer is arranged in the second reaction chamber, the second stirrer is a spiral stirrer and consists of a second stirring shaft and spiral blades, two ends of the stirring shaft are arranged at second shaft sealing devices on the left side wall and the right side wall of the second reaction chamber, a second motor reducer for driving the second stirring shaft to rotate is arranged outside the left side wall of the second reaction chamber, and a second discharge hole is formed in the right side wall of the second reaction chamber. The second discharge hole is provided with a blocking cover plate which can be opened.
The device also comprises a gas distribution device for forced ventilation in the first reaction chamber and the second reaction chamber; the gas distribution device comprises a first pipeline group extending into each space of the inner cavity of the first reaction chamber and a second pipeline group extending into the second reaction chamber, a plurality of gas injection holes are formed in the inner ends of the first pipeline group and the second pipeline group, and the outer ends of the first pipeline group and the second pipeline group are respectively connected with an air pump through electromagnetic valves. The solenoid valves are used for respectively controlling the oxygen amount required by the first reaction chamber and the second reaction chamber in different biological reaction stages to perform forced air supply, so that the required oxygen content is met, and the biochemical reaction can be smoothly performed.
The kettle body is provided with a first fan for pumping the waste gas in the first reaction chamber and a second fan for pumping the waste gas in the second reaction chamber, an air inlet of the waste gas treatment device is connected with air outlets of the first fan and the second fan through pipelines, and the waste gas is discharged after being subjected to deodorization treatment by the waste gas treatment device.
Two second stirrers are arranged in the second reaction chamber side by side, the two second stirrers rotate reversely to form material horizontal plane internal circulation flow during stirring, the two second stirrers rotate reversely to form material horizontal plane internal circulation flow during filling, the decomposed material falling from the first reaction chamber is brought into the second reaction chamber, and the two second stirrers rotate in the same direction to push out the filler from the second discharge hole during discharging and filling.
The tank bottom filter plate is an arc-shaped plate provided with small holes, small grooves, gaps or micropores in various shapes, the circle center of a circle where the arc-shaped plate is located is close to the stirring shaft, and the arc-shaped plate corresponds to the first stirrer in a rotating circumferential shape, so that material flowing dead angles are reduced.
The stirring shaft is a flat plate slurry, and the inclination angle a between the plane of the flat plate slurry and the axis of the stirring shaft is = 8-70 degrees.
A kettle cover is arranged on the kettle body, a feed inlet is formed in the kettle cover and is directly connected with a discharge port of the pulverizer, and a pulverizing hob is arranged on the discharge port of the pulverizer 40 and plays a role of a feed inlet cover plate; the outer wall of the kettle body is wrapped with a flame-retardant polyethylene foam plastic heat-insulating layer, and a layer of aluminum foil is pasted outside the heat-insulating layer.
The movable plug board assembly comprises a plug board and an electric push rod connected with the plug board.
A strain adding device for adding strains during crushing of the kitchen waste and a plurality of microwave heating devices for different biochemical reaction stages of the first reaction chamber and the second reaction chamber are arranged outside the kettle body; the kettle body is internally provided with a plurality of temperature sensors for detecting the temperature of the first reaction chamber and the second reaction chamber in different biochemical reaction stages.
Humidity sensors for detecting the water content of the materials at different biochemical reaction stages are arranged in each space of the first reaction chamber and the second reaction chamber. The motor of the first motor reducer is a double-speed motor, the motor is used for stirring materials at a low speed to enable microbial strains, the materials and oxygen to be in full contact, axial flow formed by low-speed stirring is small, the materials are blocked by the cell partition plate to be stirred in the cell, and when the materials need to pass through the cell, the motor is used for high-speed stirring to form axial flow towards the direction of the first discharge hole, so that the materials can pass through the cell partition plate to enter the next cell.
The utility model relates to an upper and lower two reaction chambers, the tank bottom filter plate filters out material filtration liquid and gets into the second reaction chamber, make material moisture content reach the requirement to material moisture content 50% -60% in the biological fermentation processing technique basically, the liquid of material leaks into the second reaction chamber, the ripe material that becomes thoroughly decomposed after the biochemical treatment of kitchen garbage is equipped with in the second reaction chamber is as the filler, the ripe material that becomes thoroughly decomposed is better through screening and separating tiny bits, also can use the saw-dust as the filler, also can be the mixed material of saw-dust and ripe material that becomes thoroughly decomposed as the filler, tiny organic matter solid in the filtration liquid is attached to the filler, 2 different direction of rotation intermittent type rotation stirring of second agitator, the interval time is 0.5-1 hour, filler and filtration liquid intensive mixing form inside circulation flow, the forced ventilation of gas distribution device, microwave heating device heats the filler, the micro organic solid matters in the percolate attached to the filling material are absorbed, decomposed and oxidized by microorganisms to convert the organic matters into simple inorganic matters and H2O and CO2Water gas and CO2Is pumped to a waste gas treatment device by a fan and then is discharged after being treated,
vegetable leaves and jade in household kitchen wasteThe rice core, the watermelon peel, the leftovers, the bones and the like are crushed to generate some moisture and a small amount of edible oil, the moisture content of materials is too large to influence biochemical reaction, the existing biochemical treatment machines are all provided with separation and filtration equipment to separate oil from water, the filtration and separation equipment is complex and occupies large space, a sewage discharge pipeline is required to discharge sewage, a municipal sewage discharge pipeline is required to be built when the rice core, the watermelon peel, the leftovers, the bones and the like are installed on site, the reconstruction construction difficulty is large, the engineering cost is high, and the installation is very inconvenient. The second reaction chamber effectively solves the problem of overlarge water content, redundant liquid can be filtered out by the filter plate at the bottom of the tank and enters the second reaction chamber, the percolate contains strains and is attached to the filler to carry out a microbial chemical reaction, so that the components in the percolate tend to be stabilized and mineralized, pathogenic bacteria and ova are killed, and H2O and CO2And deodorizing with a second fan via an exhaust gas treatment device, discharging to the atmosphere, and replacing with a new decomposed material after several months, wherein the replaced material is a thoroughly decomposed fertilizer product without secondary pollution, and a small amount of edible oil is dispersed in the first reaction chamber and the second reaction chamber, and can be subjected to biological fermentation treatment with the material and the filler.
The utility model discloses from the source direct reception kitchen garbage, reduce rotting, the stench of rubbish and propagate the bacterium virus, reduce the volume decrement, changing waste into valuables, in time protected the environment, many intermediate links such as the secondary transfer of traditional clearance mode, broken bag, select separately, direct biochemical treatment processes into organic fertilizer with it, realize the resourceful recycle, reduce the volume decrement efficient, take up an area of for a short time, effectual kitchen garbage that subducts discharges and the wasting of resources, realized receiving the new mode of handling the resourceful immediately on the spot.
Resourceful treatment is carried out to the kitchen garbage source, utilizes the bacterium to decompose the organic matter, uses remaining residue as fertilizer again, reduces kitchen garbage transportation and transportation expense, does not have secondary pollution such as waste residue, waste liquid, stink, and the environmental maintenance cost is low. The kitchen waste treatment is changed from resource consumption type to production type, and the fertilizer product has stable performance after post treatment, crushing, magnetic separation, air separation, screening, compaction granulation and packaging, and can be used for applying fertilizer or soil conditioner to gardens, farmlands or vegetable lands.
The biochemical reaction of the kitchen waste is a microbial process, organic solid waste can be decomposed by microorganisms, an effective method is provided for recovering nutrients, and the organic waste can be converted into a stable and sanitary fertilizer product of humus. The recycling of the kitchen waste is the best natural covering and soil conditioner, loosens clay soil, improves the soil structure, texture and ventilation, enhances the water retention capacity of the soil, reduces the input of chemical fertilizers, saves the landfill site, and reduces the land pollution and water pollution caused by landfill leachate. The technology fundamentally solves the problem of kitchen waste treatment, truly realizes the resource treatment of the kitchen waste source, and greatly saves the cost brought by links of kitchen waste collection, storage, transportation, incineration and the like.
The utility model discloses need not sewage filtration equipment, need not oil water separation equipment, need not municipal sewer line discharge sewage, 2-3 square meters take up an area of, very convenient placing is in residential quarter, directly collect at the source and handle immediately, reduce rubbish the storage time, pathogenic bacteria and ova are exterminateed in the biochemical treatment of microorganism high temperature, make the composition in the rubbish tend to stabilization and mineralize chemistry, thereby reduce because of rotten smelly and attract the possibility to the mosquito, optimize sanitary environment, reduce the secondary pollution possibility in freight cost and the transportation, realize the source and handle and resourceization on the spot, rubbish decrement rate 40% -50%, fertilizer conversion rate 50% -60%.
Drawings
FIG. 1 is a schematic view of the front structure of a stirred tank reactor for kitchen waste of the present invention;
FIG. 2 is a schematic side view of a stirred tank reactor for kitchen waste according to the present invention;
FIG. 3 is a schematic view of the air intake and waste gas treatment of the stirred tank reactor for kitchen waste of the present invention;
FIG. 4 is a schematic view of a first stirrer of the stirred tank reactor for kitchen waste of the present invention;
fig. 5 is the utility model discloses a kitchen garbage stirred tank formula reactor picture peg sketch map.
Detailed Description
In fig. 1, 2, 3 and 4, the utility model discloses a kettle body 1, kettle cover 2, partition groove board 3, first agitator 4, bleeder valve 5, first discharge gate 6, second agitator 7, second shaft seal device 8, first motor reducer 10, first shaft seal device 11, tank bottom filter plate 13, first reaction chamber 14, second reaction chamber 15. The first reaction chamber 14 is provided with a feed inlet which is directly connected with a discharge port of a crusher arranged on the first reaction chamber and used for feeding the crushed kitchen waste and microbial strains, the first reaction chamber 14 is provided with a first discharge port 6 used for discharging the decomposed materials in the biochemical reaction of the kitchen waste, the first reaction chamber 14 is provided with a tank bottom filter plate 13, and the tank bottom filter plate 13 is provided with a hole, a groove or a gap which is used for leaking the material leachate to the second reaction chamber 15. Partition groove board 3 is cut apart into a plurality of grooves with first reaction chamber 14, the axial flow that first agitator 4 low-speed stirring formed is less, the material is stirred at this inslot by partition groove board 3 separation, when the material need cross partition groove board 3 and get into next groove according to the reaction stage, first agitator 4 high-speed stirring forms to the great ability of the axial flow of first discharge gate 6 makes the material cross partition groove board 3 and gets into next groove, the material of adding earlier carries out little biochemical reaction earlier, can be divided into early, well, three batch late, the interval time is longer, first-in first-out adaptation operating condition. Each groove is respectively provided with a microwave heating device and a temperature sensor, and the temperature required by different biochemical treatment stages of each groove is respectively heated. The first stirrer 4 comprises a stirring shaft 19 and a plurality of stirring paddle sets which are sequentially arranged on the stirring shaft 19 along the axial direction, each stirring paddle set comprises a plurality of stirring paddles 29 which are annularly distributed on the stirring shaft 19 in the radial direction, and two ends of the stirring shaft 19 are arranged at the first shaft sealing devices 11 on the left side wall and the right side wall of the first reaction chamber 14. Stirring paddle 29 is a flat paddle, and the inclination angle a =45 ° between the plane of the flat paddle and the axis of stirring shaft 19. The second reaction chamber 15 is provided with a second stirrer 7. The second stirrer 7 is composed of a second stirring shaft 17 and helical blades 18, and both ends of the stirring shaft 17 are installed at the second shaft sealing devices 8 on the left and right side walls of the second reaction chamber 15. A second motor reducer 9 for driving a second stirring shaft 17 to rotate is arranged outside the left side wall of the second reaction chamber 15, a second discharge port 16 is arranged on the right side wall of the second reaction chamber 15, and a blocking cover plate capable of being opened is arranged on the second discharge port 16.
The kitchen waste is collected at any time at the source of a residential area and is crushed immediately, liquid generated by crushing and a small amount of edible oil contained in the waste do not need a solid-liquid separation device to separate redundant water and an oil-water separation device to separate a small amount of oil, the liquid and the edible oil leak to the second reaction chamber 15 through the tank bottom filter plate 13, the water content of materials in the first reaction chamber is kept to be smaller than the range of 50% -60%, and the biochemical reaction of the materials is carried out smoothly. The water content is more than 60%, the oxygen content in the material can be reduced, an anaerobic state is caused, the material can be agglomerated and conglomerated to generate stink, the quality of a final product is influenced, the water content is too low, the microbial activity is reduced, and the biochemical reaction time is prolonged.
The humidity control system detects the humidity of the materials and the fillers and automatically adjusts the humidity, a humidity sensor is arranged in each groove of the first reaction chamber respectively, the water content of each groove of the materials is detected at any time, the water content is too low sometimes when the biochemical reaction is carried out for a period of time, and the humidity control system automatically opens a water spraying valve arranged in the first reaction chamber to replenish water for the materials so as to keep different water contents of the materials at different stages of the biochemical reaction.
The second reaction chamber 15 is filled with decomposed materials after biochemical treatment of the kitchen waste as fillers, the decomposed materials are better separated into fine powder through screening, wood chips can be used as the fillers, a mixed material of the wood chips and the decomposed materials can be used as the fillers, the fillers and percolate leaked in the first reaction chamber are stirred and mixed for biochemical reaction, 2 second stirrers 7 are stirred intermittently in different rotating directions to form an internal circulating flow pattern, the percolate attached with the fillers is sufficiently ventilated and aerated, aerobic microorganisms carry out microbial absorption, decomposition and oxidation on micro organic solids in the liquid, and the organic matters in the percolate are converted into simple inorganic matters, H and H2O and CO2。
The first reaction chamber 14 and the second reaction chamber 15 are provided with a forced ventilation gas distribution device, a waste gas treatment device and a temperature control device, H2O and CO2The waste gas is treated by the waste gas treatment device to be discharged harmlessly, and the forced ventilation provides sufficient oxygen. The temperature control device maintains the temperature environment required by the biochemical reaction. The gas distribution means comprises a gas inlet extending into the first reaction chamber 14The first pipeline group and the second pipeline group extend into the second reaction chamber 15, a plurality of air injection holes 20 are arranged at the inner ends of the first pipeline group and the second pipeline group, and the outer ends of the first pipeline group and the second pipeline group are respectively connected with an air pump 21 through electromagnetic valves 25. The electromagnetic valve 25 is used to control the oxygen amount required by the first reaction chamber 14 and the second reaction chamber 15 at different biological reaction stages respectively to perform forced air supply, so as to satisfy the oxygen content required by the biochemical reaction of the materials, and the biochemical reaction can be smoothly performed. The reactor body 1 is provided with a first fan 23 for pumping the waste gas in the first reaction chamber 14 and a second fan 28 for pumping the waste gas in the second reaction chamber 15, the air inlet of the waste gas treatment device 24 is connected with the air outlets of the first fan 23 and the second fan 28 through pipelines, and the waste gas is harmlessly discharged after being deodorized by the waste gas treatment device.
Temperature control system keeps the required temperature environment of biochemical reaction, the microorganism grows and has different requirements to the temperature in different stages, fermentation still can produce the heat in growth process, cauldron external wall is equipped with a plurality of microwave heating device, be used for 14 three grooves of first reacting chamber and the required temperature difference of second reacting chamber 15 in different biochemical reaction stages respectively to heat, do not need the conduction process just to make the material heating, the rate of heating is fast even, 1/5-1/10 that only needs the energy consumption heating of traditional heating mode, the internal portion of cauldron is equipped with a plurality of temperature sensor, adjust microwave applicator through the controller, realize temperature automatically regulated.
In fig. 5, when the second reaction chamber 15 is filled with the filling material, the electric push rod 27 pushes the insert plate 281 to move left to open the through hole, and simultaneously the first stirrer 4 is rotated, the decomposed material in the 3 rd slot space of the first reaction chamber 14 falls into the lower second reaction chamber 15, the 2 second stirrers 7 rotate in different rotating directions to form an internal circulating flow, and the falling material is brought into the second reaction chamber 15.
The utility model discloses the working process:
resourceful biochemical treatment all-in-one is collected to kitchen garbage source, the advanced rational in infrastructure of technique, area is little, need not sewage filtration equipment, need not oil water separating equipment, need not municipal sewer line discharge sewage, when rubbish is put in, the person of puting in hangs kitchen garbage in bags on hanging the bagging apparatus, closes and puts in the window and accomplishes rubbish promptly and put in. The bag-breaking machine automatically breaks the bag and dumps the rubbish to carry out the breakage in the breaker feeder hopper below, and simultaneously bacterial adds the device and adds the microbial community, and kibbling kitchen garbage and microbial community directly fall into the cauldron body feed inlet that sets up below breaker 40 export and get into in first reaction chamber 14.
The first stirrer 4 intermittently stirs at a low speed, the microwave heating device respectively heats according to different stages of biochemical reaction in each tank, the temperature in the middle-temperature stage of the 1 st tank is 30-45 ℃, the temperature in the high-temperature stage of the 2 nd tank is 50-65 ℃, the temperature in the decomposition stage of the 3 rd tank is 20-35 ℃, the kitchen waste is subjected to rapid biochemical reaction in a heating, stirring and forced ventilation reaction kettle, aerobic microorganisms decompose macromolecules of organic substances of the waste into micromolecular protein fragments or further into amino acids, so that the organic substances in the organic substances are converted into simple inorganic substances and the biochemical process of self-growth is realized, and the organic substances can be converted into humus and H2O and CO2And various pathogens in the kitchen waste can be effectively killed at high temperature, so that stable and sanitary humus fertilizer is formed, and harmless treatment of the kitchen waste is realized.
The axial flow that first agitator 4 low-speed stirring formed is less, and the material is stirred at this inslot by the separation of partition groove board 3 separation, and when the material needed to cross the partition groove board according to the reaction phase, first agitator 4 high-speed stirring formed to the great messenger's material of the axial flow of first discharge gate 6 cross the partition groove board and get into 2 nd groove by 1 st groove, and the material of 2 nd groove gets into 3 rd groove over the partition groove board. The materials added firstly carry out biochemical reaction, after 6 to 10 hours of long-time high-temperature aerobic fermentation, the materials are decomposed into dry and fine particles, the biochemical treatment of the garbage is completed, the discharge valve 5 is opened, the first stirrer 4 is rotated, and the decomposed materials flow out from the first discharge port 6. The decomposed material product can be directly used for landscaping fertilization, or transferred to a post-treatment plant for magnetic separation, re-fermentation, screening, winnowing, granulation and packaging to produce excellent organic fertilizer.
The material percolate filtered by the tank bottom filter plate 13 enters a second reaction chamber 15, and the biochemical treatment and decomposition material of the kitchen waste is filled in the second reaction chamber 15 to be used as filler and decomposedThe material of (2) is better through screening separation tiny powder, also can regard the saw-dust as the filler, also can be the mixed material of saw-dust and the ripe material of becoming thoroughly decomposed as the filler, and the filler stirs with the leachate and mixes and carries out biochemical reaction. The 2 second stirrers 7 rotate intermittently in different rotating directions to form an internal circulation flow pattern, the percolate is attached to the filler, the filler is heated by a microwave heating device, the gas distribution device is used for forced ventilation, and aerobic microorganisms are used for carrying out microbial absorption, decomposition and oxidation on micro organic solids in the liquid to convert the organic matters in the liquid into simple inorganic matters and H2O and CO2The second fan timely draws the waste gas and takes away H2O and CO2And the leachate is discharged by a waste gas treatment device to complete microbial decomposition and sewage treatment of the leachate. The filler in the second reaction chamber 15 is replaced once a few months, and the replaced filler is transported to a post-treatment plant to be post-treated with other decomposed materials together to prepare the fertilizer, so that secondary pollution is avoided.
The first reaction chamber and the second reaction chamber are respectively provided with a forced ventilation device and a waste gas treatment device, the forced ventilation device provides sufficient oxygen, the gas distribution device assembly comprises a pipeline, a plurality of gas injection holes and an air pump and is used for forced ventilation of the first reaction chamber and the second reaction chamber, the gas distribution device is respectively provided with an electromagnetic valve, and the electromagnetic valves are used for respectively controlling the oxygen amount required by the first reaction chamber and the second reaction chamber in different biochemical reaction stages to carry out forced air supply so as to provide sufficient oxygen for materials and fillers, so that the biochemical reaction can be smoothly carried out. The kettle body is provided with a first fan for pumping the waste gas of the first reaction chamber, a second fan for pumping the waste gas of the second reaction chamber, and H2O and CO2And the gas is subjected to deodorization treatment by a waste gas treatment device and then is discharged harmlessly. An air inlet of the waste gas treatment device is connected with air outlets of the first fan and the second fan through pipelines.
The humidity that wet accuse system detected material and filler and implements automatically regulated, in the three inslot of first reacting chamber, is equipped with humidity transducer respectively, detects every groove material moisture content, and the moisture content can appear sometimes for a period in material biochemical reaction and crosses lowly, and wet accuse system opens the water spray valve that sets up at first reacting chamber automatically and carries out the moisturizing for the material to keep the different moisture contents of biochemical reaction different stage materials.
The temperature control system keeps the temperature environment required by biochemical reaction, microorganisms grow in different stages and have different requirements on temperature, and can generate heat during the growth process, the outer wall of the kettle body is provided with a plurality of microwave heating devices which are respectively used for heating materials required by three grooves of the first reaction chamber 14 and the second reaction chamber 15 at different biochemical reaction stages, the three grooves of the second reaction chamber 15 and the first reaction chamber 14 are respectively provided with a temperature sensor for detecting the temperature of the materials at different biochemical reaction stages and automatically controlling the temperature; the microwave heating device respectively heats according to the temperature requirements of different stages of biochemical reaction of materials in each tank, the temperature of the medium temperature stage in the 1 st tank is 30-45 ℃, the temperature of the high temperature stage in the 2 nd tank is 50-65 ℃, the temperature of the decomposition stage in the 3 rd tank is 20-35 ℃, the kitchen waste is subjected to rapid biochemical reaction in a heating, stirring and forced ventilation reaction kettle to convert organic matters into humus and H2O and CO2And various pathogens in the kitchen waste can be effectively killed at high temperature, so that stable and sanitary humus fertilizer is formed, and harmless treatment of the kitchen waste is realized.
Claims (10)
1. The utility model provides a kitchen garbage stirred tank formula reactor which characterized in that: the reaction kettle comprises a kettle body (1), wherein the inner cavity of the kettle body (1) is divided into a first reaction chamber (14) positioned at the upper part and a second reaction chamber (15) positioned at the lower part through a tank bottom filter plate (13), and the inner cavity of the first reaction chamber (14) is divided into more than two tanks which are sequentially arranged from left to right through a groove separating plate (3); a through hole is arranged at the bottom filter plate (13) of the groove positioned at the rightmost side, and a movable flashboard component is arranged at the through hole;
a first stirrer (4) is arranged in a first reaction chamber (14), the first stirrer (4) comprises a stirring shaft (19) and a plurality of stirring slurry groups which are sequentially arranged on the stirring shaft (19) along the axial direction, each stirring slurry group consists of a plurality of stirring slurries (29) which are annularly distributed on the radial direction of the stirring shaft (19), the middle part of the stirring shaft (19) penetrates through a yielding through hole on a separating groove plate (3), two ends of the stirring shaft (19) are arranged at first shaft sealing devices (11) on the left side wall and the right side wall of the first reaction chamber (14), a first motor reducer (10) for driving the stirring shaft (19) to rotate is arranged outside the left side wall of the first reaction chamber (14), a first discharge hole (6) is arranged on the right side wall of the first reaction chamber (14), and a discharge valve (5) is arranged at the first discharge hole (6;
more than one second stirrer (7) is arranged in the second reaction chamber (15), the second stirrer (7) is a spiral stirrer, the second stirrer (7) consists of a second stirring shaft (17) and spiral blades (18), two ends of the stirring shaft (17) are arranged at second shaft sealing devices (8) on the left side wall and the right side wall of the second reaction chamber (15), a second motor reducer (9) for driving the second stirring shaft (17) to rotate is arranged outside the left side wall of the second reaction chamber (15), and a second discharge hole (16) is formed in the right side wall of the second reaction chamber (15).
2. The kitchen waste stirred-tank reactor according to claim 1, characterized in that: the device also comprises a gas distribution device for forced ventilation in the first reaction chamber (14) and the second reaction chamber (15); the gas distribution device comprises a first pipeline group extending into each space of the inner cavity of the first reaction chamber (14) and a second pipeline group extending into the second reaction chamber (15), a plurality of gas injection holes (20) are formed in the inner ends of the first pipeline group and the second pipeline group, and the outer ends of the first pipeline group and the second pipeline group are respectively connected with an air pump (21) through electromagnetic valves (25).
3. The kitchen waste stirred-tank reactor according to claim 1, characterized in that: the kettle body (1) is provided with a first fan (23) for pumping waste gas in the first reaction chamber (14) and a second fan (28) for pumping waste gas in the second reaction chamber (15), and an air inlet of the waste gas treatment device (24) is connected with air outlets of the first fan (23) and the second fan (28) through pipelines.
4. The kitchen waste stirred-tank reactor according to claim 1, characterized in that: two second stirrers (7) are arranged in the second reaction chamber (15), the two second stirrers (7) are arranged side by side, the two second stirrers (7) rotate oppositely to form material horizontal plane internal circulation flow during stirring, the two second stirrers (7) rotate oppositely to form material horizontal plane internal circulation flow during filling, decomposed materials falling from the first reaction chamber are brought into the second reaction chamber (15), and the two second stirrers (7) rotate in the same direction to push out the filler from the second discharge hole (16) during discharging and filling.
5. The kitchen waste stirred-tank reactor according to claim 1, characterized in that: the tank bottom filter plate (13) is an arc-shaped plate provided with small holes, small grooves, gaps or micropores in various shapes, and the circle center of a circle where the arc-shaped plate is located is close to the stirring shaft (19).
6. The kitchen waste stirred-tank reactor according to claim 1, characterized in that: the stirring paddle (29) is flat paddle, and the inclination angle a between the plane of the flat paddle and the axis of the stirring shaft (19) is = 8-70 degrees.
7. The kitchen waste stirred-tank reactor according to claim 1, characterized in that: a kettle cover (2) is arranged on the kettle body (1), and a feeding hole is formed in the kettle cover (2); the outer wall of the kettle body (1) is coated with a flame-retardant polyethylene foam plastic heat-insulating layer, and a layer of aluminum foil is adhered outside the heat-insulating layer.
8. The kitchen waste stirred-tank reactor according to claim 1, characterized in that: the movable inserting plate assembly comprises an inserting plate (281) and an electric push rod (27) connected with the inserting plate (281).
9. The kitchen waste stirred-tank reactor according to claim 1, characterized in that: a strain adding device for adding strains when the kitchen waste is crushed and a plurality of microwave heating devices for different biochemical reaction stages of the first reaction chamber and the second reaction chamber are arranged outside the kettle body (1); a plurality of temperature sensors for detecting the temperature of the first reaction chamber (14) and the second reaction chamber (15) in different biochemical reaction stages are arranged in the kettle body.
10. The kitchen waste stirred-tank reactor according to claim 1, characterized in that: humidity sensors for detecting the water content of the materials at different biochemical reaction stages are arranged in each space of the first reaction chamber and the second reaction chamber.
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| CN201921735958.XU CN210765038U (en) | 2019-10-16 | 2019-10-16 | Kitchen waste stirred tank reactor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110759767A (en) * | 2019-10-16 | 2020-02-07 | 湖北安步电梯科技有限公司 | Kitchen waste stirred tank reactor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110759767A (en) * | 2019-10-16 | 2020-02-07 | 湖北安步电梯科技有限公司 | Kitchen waste stirred tank reactor |
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