CN112521199A - Organic solid waste zero-additive auxiliary material aerobic fermentation integrated system - Google Patents
Organic solid waste zero-additive auxiliary material aerobic fermentation integrated system Download PDFInfo
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Abstract
The invention discloses an organic solid waste aerobic fermentation integrated system without auxiliary materials, wherein the whole process is completed in a building and is divided into an equipment room and a fermentation workshop. The system comprises a material receiving and mixing device, a cloth turning and throwing device, a fermentation tank, an aeration device, a discharging device and a waste gas purification device. The process does not add any auxiliary materials; the fermentation workshop adopts a reverse membrane hanging structure, and the distributing and turning device is formed by combining a rotating wheel type turning machine and a spiral distributing machine; the tail end of the fermentation tank is also used as a decomposed material bin, and a reciprocating discharging machine at the bottom of the fermentation tank is used for discharging materials; the waste gas purification tower adopts chemical standard regular packing or random packing, a large amount of circulating liquid is stored in the purification tower, and nutrient solution is supplemented as required, so that the circulating liquid contains large amount of microorganisms and has high activity. The invention has the advantages of simple process, low investment and operation cost, normal starting and operation in cold regions, good fermentation effect, automatic operation, unmanned management, good waste gas purification effect and the like.
Description
Technical Field
The invention relates to the technical field of organic solid waste treatment, in particular to an organic solid waste aerobic fermentation integrated system without auxiliary materials.
Background
The aerobic fermentation is an effective method for treating the organic solid waste, the organic solid waste can be treated by the aerobic fermentation, the harmlessness, the reduction, the stabilization and the recycling of materials are realized, and the final application is landscaping, land improvement, organic fertilizer production and the like.
The existing municipal sludge aerobic fermentation engineering in China needs to add a large amount of auxiliary materials such as sawdust, peanut shells, corn straw powder and the like into materials entering a factory, and needs to add a return material. The auxiliary materials are low in density, inflammable, large in storage occupied area, required to be crushed and poor in safety, the volume of the fermentation materials is increased, a large fermentation tank volume is occupied, and the engineering investment and the operation cost are increased. The traditional aerobic fermentation engineering is composed of a plurality of workshops with different functions, is provided with dozens of mechanical devices, occupies large area, needs more operators and has high operation cost. The small aerobic fermentation equipment mainly comprises a horizontal type, a tower type and a drum type, the treatment capacity of the equipment is very small, the capacity of treating organic solid waste is less than 10 tons per day, and feeding, mixing and discharging equipment is additionally arranged; in recent years, integrated aerobic fermentation equipment appears in the industry, and the capacity of each set of equipment for treating municipal sludge reaches 30 tons every day. The integrated aerobic fermentation equipment disclosed in patent 201610947207.9 needs to add auxiliary materials, a middle loosening machine and a upender are installed at fixed positions of a fermentation bin, and when the equipment is used for easily agglomerated materials, more auxiliary materials need to be added, so that the operation cost is increased; the good oxygen fermentation treatment facility of intelligence and solid useless processing system that patent 201910054881.8 announced also need add the auxiliary material, leans on a dolly of walking to accomplish to get material, compounding, cloth, the ejection of compact, and efficiency is very low, and the compounding is not abundant, and the fermentation effect can not be good. The two integrated aerobic fermentation devices have insufficient treatment capacity, still need manpower and do not realize real unmanned management.
The aerobic fermentation process can generate odor, and the two-stage deodorization of chemical deodorization by adding acid, biological deodorization, and the combination of chemical deodorization by adding acid and biological deodorization is generally adopted. Acid foam is contained in the common acid-added chemical deodorization tail gas, so that the activity of secondary biological deodorization microorganisms can be inhibited, and the deodorization effect is influenced. The traditional fermentation workshop mostly adopts a light steel structure, is extremely easy to be corroded by indoor humid air, has short service life, or adopts a reinforced concrete structure, the span between fermentation equipment is limited, and the engineering investment is large.
Disclosure of Invention
Aiming at the technical problems in the related art, the invention provides an organic solid waste aerobic fermentation integrated system without auxiliary materials. The problems of auxiliary material addition, high operation cost, manual management, corrosion of a fermentation workshop, high investment and the like in the prior art are solved.
In order to achieve the technical purpose, the technical scheme of the invention is realized as follows:
the aerobic fermentation integrated system for organic solid waste without auxiliary materials is characterized in that the whole technological process is completed in one building and is divided into an equipment room and a fermentation workshop. The system comprises a material receiving and mixing device, a cloth turning and throwing device, a fermentation tank, an aeration device, a discharging device and a waste gas purification device. The material receiving and mixing device is arranged in the equipment room; the cloth turning and throwing device spans the fermentation tank; the fermentation tank is arranged in a fermentation workshop; the aeration device is arranged at the bottom of the fermentation tank; the discharging device is arranged at the discharging end of the fermentation tank; the waste gas purification device is arranged in the equipment room.
The equipment room can be of a reinforced concrete structure or a light steel structure, and power distribution, control, deodorization, office work, material receiving, material discharging, material mixing and the like are all arranged in the equipment room; the fermentation workshop adopts a reverse hanging membrane structure, the steel frame is arranged outside and is not contacted with the humid corrosive gas in the fermentation workshop, and the membrane is reversely hung below the steel frame to form a completely sealed space.
The material receiving and mixing device comprises a material receiving pool, a mud scraper, a sludge pump, a mixer and a material conveying conveyor, wherein the mud scraper and the sludge pump are arranged in the material receiving pool, the mixer is used for uniformly mixing the materials entering the factory and the fermented back-mixed materials in proportion, and the material mixing and conveying automatic operation is realized.
The fermentation tank is of a semi-underground reinforced concrete structure and can also be of a full-underground reinforced concrete structure, the width of the fermentation tank is 10-50 meters, the fermentation tank is durable, and heating and heat preservation are not needed in a fermentation workshop in winter. The tail end of the fermentation tank is also used as a decomposed material bin, so that the volume is large, and the back mixing and discharging requirements are completely met.
The cloth turning and throwing device is formed by combining a rotary wheel type turning and throwing machine and a spiral material distributor, the length of the cloth spiral machine is basically the same as the width of a fermentation tank, the cloth spiral machine is fixed on a main walking frame on the front side of the turning and throwing machine in parallel, the bottom of the cloth spiral is full of cloth holes, one end of the cloth spiral machine is provided with a material receiving chute, and the other end of the cloth spiral machine is provided with a material level meter. The material slides into the material distribution spiral through the material receiving chute, the material distribution spiral machine driving device drives the material distribution spiral machine to rotate spirally, the material is pushed to move forwards along the spiral direction and falls into the fermentation tank through the material distribution holes, the material distribution holes are stacked in sequence, when the material height of the last material distribution hole is close to the height of the bottom of the material distribution spiral, the material level meter arranged at the position sends a signal, the main travelling frame of the turner moves forwards for a certain distance, the material distribution spiral machine repeats the above work, and finally, the vacancy at the front end of the fermentation tank is filled, and the material distribution is completed. Because the fermentation tanks are wider, a cloth turning device is specially used for each fermentation tank, and a moving machine is not needed to be additionally arranged, so that the operation management is more convenient.
The aeration device consists of an aeration fan, an aeration pipe and a stainless steel fish scale hole plate. The aeration pipe is connected with an aeration fan, and the aeration fan is used for oxygenating the fermentation materials. The aeration pipelines are uniformly arranged in the grooves of the fermentation tank bottom plate, and the grooves are covered with stainless steel fish scale pore plates which have low manufacturing cost, are not easy to block and are easy to clean.
The discharging device comprises a tank bottom reciprocating type discharging machine, a belt receiving machine, a hopper elevator and a spiral discharging machine. Fermented ripe material is scraped out by the reciprocating type discharging machine of tank bottom, carries through band conveyer, hopper lifting machine and promotes the back, falls into the spiral discharging machine in the equipment room, and spiral discharging machine both ends respectively have an export, and an export is used for the outward transportation of ripe material, and another export is used for back mixing.
Further, the reciprocating type discharging machine at the bottom of the groove comprises a scraper component, a guide rail, a connecting rod and a hydraulic device. The scraper component is positioned on a bottom plate at the discharge end of the fermentation tank, and is driven by the hydraulic device to do short-distance reciprocating motion along the guide rail, so that fermented decomposed materials in a bin at the tail end of the fermentation tank are scraped to the belt receiving machine.
The waste gas purification device comprises a waste gas collecting pipeline, a deodorization fan, a circulating pump, a waste gas purification tower and a direct-fired hot blast stove, and has two functions of biological deodorization and chemical deodorization. The deodorization fan collects waste gas in the workshop through the pipeline and then sends to the waste gas purification tower in, be equipped with circulating liquid pond, filler and spray header, demister in the waste gas purification tower, waste gas and spray header both fully contact on the filler surface, absorb and degrade the odor causing material in the waste gas, the odor causing material that does not degrade continues to degrade in circulating liquid pond.
Furthermore, the chemical deodorization device is provided with a direct-fired hot blast stove for providing CO-rich air for the aeration fan2The temperature of the hot air is controlled to be 20-50 ℃, the fermentation process is favorably and quickly started and the fermentation time is shortened under the condition of low temperature, and CO in the hot air2Neutralizing with ammonia gas generated by material fermentation to generate ammonium carbonate or ammonium bicarbonate, retaining in fermentation product, increasing fertilizer efficiency of fermentation product, and diffusing CO in air of fermentation workshop2Collected by the deodorizing fan, sent into the waste gas purification tower to react with ammonia in the waste gas, and continuously play a role of chemical deodorization.
Furthermore, an air inlet for fresh air is formed in the tail end of the fermentation workshop, namely the discharge end of the fermentation tank, a waste gas collecting pipeline is installed at the front end of the fermentation workshop, and air in the fermentation workshop is in a plug flow state, so that the good air quality and low humidity of the discharge end of the fermentation tank can be ensured, and the moisture content of the decomposed materials can be reduced; when the cloth turning and throwing device does not work, the cloth turning and throwing device is parked at the discharging end, so that the corrosion of equipment can be reduced, and the service life is prolonged; the fermentation workshop feed end air quality is the worst, and humidity is the biggest, collects waste gas from this department, and waste gas purification tower can fully play a role.
Furthermore, when the direct-fired hot-blast stove of the chemical deodorization device does not operate, the aerobic fermentation integrated system with no auxiliary materials can still work normally.
The invention has the beneficial effects that:
1. the technology does not add any auxiliary materials, breaks through the limitation of the traditional theory, simplifies the aerobic fermentation process of the sludge and has low operation cost.
2. The whole process is completed in a building, a fermentation workshop adopts a reverse hanging membrane structure, condensed water can flow to a water collecting tank on the ground along the surface of the membrane to avoid dripping on fermentation materials, and meanwhile, the membrane material has excellent corrosion resistance, long service life, attractive appearance and low manufacturing cost;
3. the cloth turning and throwing all-in-one machine has excellent functions of distributing, crushing and oxygenating, ensures that the aerobic fermentation process is efficiently completed, thoroughly decomposes, has the inactivation rate of germs and plant seeds far superior to the national standard, is beneficial to resource utilization of fermentation products, has simple equipment structure, low failure rate and reliable operation, and is suitable for fermentation tanks with different widths.
4. The tail end of the fermentation tank is also used as a decomposed material bin, a tank bottom reciprocating type discharging machine is arranged at the bottom of the fermentation tank, and the discharged material returns to the front end of the fermentation tank through a belt conveyor and the like, and is directly loaded and transported outside or used for back mixing, so that the whole process can be automatically operated without being managed.
5. The waste gas purification tower adopts chemical standard regular packing, the void ratio is far greater than that of the commonly used biological deodorization packing such as active carbon or pine bark, and the wind resistance is reduced by more than 70%; the chemical standard filler has large effective surface area, more sufficient gas-liquid contact, corrosion resistance, high mechanical strength and difficult fracture and fission, is made of stainless steel or plastics, and can ensure long-term stable operation; the volume of the circulating liquid storage tank at the bottom of the waste gas purification tower is far larger than that of a conventional biological deodorization circulating tank, and nutrient solution is supplemented as required, so that the circulating liquid always keeps high biomass and biological activity, and the stable and efficient deodorization effect is ensured.
6. The direct-fired hot blast stove of the auxiliary heating equipment can heat the air for supplying oxygen for fermentation, so that the system can be quickly started at a low temperature and keeps high-efficiency operation, and simultaneously, carbon dioxide generated by combustion can chemically react with ammonia in odor, thereby not only increasing the fertilizer content of decomposed materials, but also playing a role in chemical deodorization.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is an architectural exterior view of the present invention;
FIG. 2 is a plan view of the present invention;
FIG. 3 is a process flow diagram of the invention
FIG. 4 is a view of the aeration apparatus of FIG. 1 according to the present invention
In the figure: 1-equipment room, 2-fermentation workshop, 3-material receiving and mixing device, 4-cloth turning device, 5-fermentation tank, 6-aeration device, 7-discharging device, 8-waste gas purification device, 9-rotating wheel type turning machine, 10-turning machine front side main rack, 11-cloth screw machine, 12-material receiving chute, 13-level meter, 14-aeration fan, 15-aeration pipe, 16-stainless steel fish scale hole plate, 17-groove, 18-fermentation tank bottom plate, 19-tank bottom reciprocating discharging machine, 20-belt receiving machine, 21-hopper elevator, 22-screw discharging machine, 23-scraper component, 24-guide rail, 25-connecting rod, 26-hydraulic device, 27-waste gas collecting pipeline, 28-deodorizing fan, 29-circulating pump, 30-waste gas purification tower, 31-direct combustion hot blast stove, 32-circulating liquid tank, 33-demister, 34-spray water pipe, 35-filler, 36-receiving tank, 37-mud scraper, 38-sludge pump, 39-mixer, 40-feeding conveyor and 41-air inlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
As shown in fig. 1-4, the whole process of the aerobic fermentation integrated system of organic solid waste zero-additive auxiliary material is completed in a building and is divided into an equipment room 1 and a fermentation workshop 2. The equipment mainly comprises a material receiving and mixing device 3, a cloth turning and throwing device 4, a fermentation tank 5, an aeration device 6, a discharging device 7 and a waste gas purification device 8.
In a specific embodiment of the present invention, the equipment room 1 may be a reinforced concrete structure or a light steel structure, and the power distribution, control, deodorization, office, material receiving, material discharging, material mixing, etc. are all in the equipment room 1; the fermentation workshop 2 adopts a reverse hanging membrane structure, the steel frame is arranged outside and is not contacted with the humid corrosive gas in the fermentation workshop, and the membrane is reversely hung below the steel frame to form a completely sealed space. The problem that the fermentation workshop is affected by humid air and is easy to corrode is perfectly solved.
In an embodiment of the invention, the material receiving and mixing device 3 comprises a material receiving tank 36, a mud scraper 37 in the material receiving tank, a sludge pump 38, a mixer 39 for uniformly mixing the material to be fed into the plant and the fermented back-mixed material in proportion, and a material conveying conveyor 40, so that the automatic operation of material mixing and conveying is realized.
In one embodiment of the invention, the fermentation tank 5 is of a full underground reinforced concrete structure, the width of the fermentation tank is 24 meters, and the fermentation workshop does not need to be heated in winter and does not need to be insulated. The tail end of the fermentation tank 5 is also used as a decomposed material bin, so that the volume is large, and the back mixing and discharging requirements are completely met.
In an embodiment of the invention, the cloth turning device 4 is formed by combining a runner type turning machine 9 and a spiral material distributor 11, the length of the cloth spiral machine 11 is basically the same as the width of the fermentation tank 5, the cloth spiral machine is fixed on a main frame 10 at the front side of the turning machine in parallel, the bottom of the cloth spiral is full of cloth holes, a material receiving chute 12 is arranged at one end of the cloth spiral machine 11, and a material level meter 13 is arranged at one end. The material slips into the material distribution screw machine 11 through the material receiving chute 12, the material distribution screw machine 11 driving device drives the material distribution screw machine 11 to rotate in a spiral mode, the material is pushed to advance along the spiral direction and falls into the fermentation tank 5 through the material distribution holes, the material distribution holes are stacked in sequence, when the material height of the last material distribution hole is close to the bottom height of the material distribution screw machine 11, the material level meter 13 installed at the position sends a signal, the main walking frame 10 of the turner moves forwards for a certain distance, the material distribution screw machine 11 repeats the above work, and finally the vacancy at the front end of the fermentation tank 5 is filled, so that the material distribution is completed. Because the fermentation tanks 5 are wider, a cloth turning device is specially used for each fermentation tank, and a moving machine is not required to be additionally arranged, so that the operation management is more convenient.
In one embodiment of the present invention, the aeration device 6 is composed of an aeration fan 14, an aeration pipe 15 and a stainless steel fish scale hole plate 16. The aeration pipe 15 is in a perforated aeration pipe form and is connected with the aeration fan 15, and the fermentation material is oxygenated by the aeration fan 15. The aeration pipelines 15 are uniformly arranged in the grooves 17 of the bottom plate 18 of the fermentation tank, the width of each groove 17 is 200mm, the grooves 17 are covered with stainless steel fish scale pore plates 16, and the pore plates are low in manufacturing cost, difficult to block and easy to clean.
In one embodiment of the invention, the discharging device 7 comprises a trough bottom reciprocating type discharging machine 19, a belt receiving machine 20, a hopper elevator 21 and a spiral discharging machine 22. Fermented thoroughly decomposed materials are scraped out by the reciprocating discharging machine 19 at the bottom of the tank, and fall into the spiral discharging machine 22 in the equipment room after passing through the belt material receiving machine 20 and the hopper elevator 21, the spiral discharging machine 22 is provided with two outlets positioned at two ends, one outlet realizes the outward transportation of the thoroughly decomposed materials, the other outlet realizes the proportional back mixing, and the back mixed materials enter the mixer 39 below.
In one embodiment of the invention, the trough bottom reciprocating outfeed 19 comprises a flight assembly 23, a guide rail 24, a connecting rod 25 and hydraulics 26. The scraper component 23 is positioned on the bottom plate at the discharging end of the fermentation tank 5, and the hydraulic device 26 drives the scraper component 23 to do short-distance reciprocating motion along the guide rail 24 so as to scrape the fermented decomposed materials in the bin at the tail end of the fermentation tank 5 onto the belt receiving machine 20.
In one embodiment of the present invention, the exhaust gas purification device 8 comprises an exhaust gas collecting pipeline 27, a deodorizing fan 28, a circulating pump 29, an exhaust gas purification tower 30 and a direct-fired hot-blast stove 31, and has two functions of biological deodorization and chemical deodorization. The deodorization fan 28 collects the waste gas in the workshop through a pipeline and then sends the waste gas to the waste gas purification tower 30, the diameter of the waste gas purification tower 30 is 3.6m, a circulating liquid tank 32, a filler 35, a spray water pipe 34 and a demister 33 are arranged in the waste gas purification tower, the waste gas and the spray water are in full contact on the surface of the filler 35, the odor causing substances in the waste gas are absorbed and degraded, and the undegraded odor causing substances are continuously degraded in the circulating liquid tank 32.
In one embodiment of the invention, the chemical deodorizing device is provided with a direct-fired hot-air furnace 31 for supplying the aeration fan 14 with CO-rich air2The temperature of the hot air is controlled to be 20-50 ℃, which is beneficial to the rapid fermentation process under the condition of low temperatureStarting and shortening fermentation time, CO in hot air2Neutralizing with ammonia gas generated by material fermentation to generate ammonium carbonate or ammonium bicarbonate, retaining in fermentation product, increasing fertilizer efficiency of fermentation product, and diffusing CO in air of fermentation workshop 22Collected by the deodorizing fan 28, sent to the exhaust gas purification tower 30, and chemically reacted with ammonia in the exhaust gas to continuously perform the function of chemical deodorization.
In a specific embodiment of the invention, the air inlet 41 for fresh air is arranged only at the tail end of the fermentation workshop 2, namely the discharge end of the fermentation tank 5, the waste gas collecting pipeline 27 is arranged at the front end of the fermentation workshop 2, and the air in the fermentation workshop 2 is in a plug flow state, so that the air quality at the discharge end of the fermentation tank 5 is ensured to be better, the humidity is lower, and the moisture content of the decomposed materials is favorably reduced; the cloth turning and throwing device 4 is parked at the discharging end when not working, so that the corrosion of the equipment can be reduced, and the service life is prolonged; the fermentation workshop 2 feed end air quality is the worst, and humidity is the biggest, collects waste gas from this department, and waste gas purification tower 30 can fully play a role.
In a specific embodiment of the invention, the direct-fired hot blast stove of the chemical deodorization device can still work normally when the direct-fired hot blast stove is not operated.
For the convenience of understanding the above technical aspects of the present invention, the above technical aspects of the present invention will be described in detail below by way of specific usage.
The materials are poured into a material receiving tank 36 by a sludge tank truck, the materials are thrown into a mixer 39 by a sludge pump 38, the materials on the wall and the bottom of the material receiving tank 36 are scraped into an inlet of the sludge pump 38 by a mud scraper 37, the back-mixed materials are also added into the mixer 39 in proportion, the materials are stirred and homogenized into the materials to be fermented, the materials are conveyed into a material receiving chute 11 of a material distribution turning and throwing device 4 by a material conveying machine 40 below the mixer 39 and then slide into a material distribution screw machine 11, a driving device of the material distribution screw machine 11 drives a material distribution screw machine 11 to rotate in a screw mode to push the materials to move forwards in the screw direction, the materials fall into a fermentation tank 5 through material distribution holes, all the material distribution holes are fully stacked in sequence, when the height of the material at the last material distribution hole is close to the bottom height of the material distribution screw machine 11The traveling frame 10 moves forward for a certain distance, the material distribution screw machine 11 repeats the work, and finally the vacancy at the front end of the fermentation tank 5 is filled to finish the material distribution. After the material distribution is finished, the rotating wheel turning machine 9 on the material turning device 4 starts to turn and throw the fermented materials, the materials are fully contacted with air, the evaporation of moisture in the materials is accelerated, and the materials are fully fermented. The aeration fan 14 mixes the hot air and CO generated by the direct-fired hot-blast stove 312Is conveyed to the fermentation material through an aeration pipeline 15 at the bottom of the fermentation tank 5 so as to achieve the aims of oxygenating, heating and chemically deodorizing the material. And a monitoring probe in the fermentation tank 5 monitors fermentation parameters such as temperature, oxygen and the like in the materials in real time, and controls the start and stop of the aeration fan 14 according to monitoring data feedback. The material becomes rotten clinker after abundant fermentation, scrapes out by the reciprocating type discharging machine 19 of tank bottom at 5 discharge ends bottoms of fermentation tanks, passes through belt material receiver 20, hopper storehouse lifting machine 21 after, falls into the spiral discharging machine 22 in the equipment room, and spiral discharging machine 22 has two exports, is located its both ends respectively, and the outward transportation of rotten ripe material is realized to one export, and another export is used for the back mixing according to the proportion.
Waste gas in the fermentation workshop is collected by a pipeline and then is sent into a waste gas purification tower 30, circulating liquid is lifted to a spray pipe 34 by a circulating pump 29 and then is sprayed out by a nozzle to be fully contacted with the circulating liquid on the surface of a filler 35, the purified waste gas is treated by a demister 33 at the upper end of the waste gas purification tower 30 and then is discharged at high altitude after reaching the standard, and undegraded odor causing substances are continuously degraded in a circulating liquid tank 32.
In conclusion, by means of the technical scheme, the organic solid waste zero-additive auxiliary material aerobic fermentation integrated system does not add any auxiliary material, and has the advantages of simple process, low investment and operation cost, capability of being started and operated normally in cold regions, good fermentation effect, automatic operation, unmanned management, good waste gas purification effect and the like.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. An organic solid waste aerobic fermentation integrated system without auxiliary materials is characterized in that the whole process is completed in a building and is divided into an equipment room (1) and a fermentation workshop (2). The system comprises a material receiving and mixing device (3), a cloth turning and throwing device (4), a fermentation tank (5), an aeration device (6), a discharging device (7) and a waste gas purification device (8). The material receiving and mixing device (3) is arranged in the equipment room (1); the cloth turning and throwing device (4) spans the fermentation tank (5); the fermentation tank (5) is arranged in the fermentation workshop (2); the aeration device (6) is arranged at the bottom of the fermentation tank (5); the discharging device (7) is arranged at the discharging end of the fermentation tank (5); the waste gas purification device (8) is arranged in the equipment room (1).
2. The organic solid waste zero-additive aerobic fermentation integrated system according to claim 1, characterized in that the fermentation workshop (2) is of a reverse hanging membrane structure, the steel frame is outside and is not in contact with indoor humid corrosive gas, and the membrane is reversely hung under the steel frame to form a completely sealed fermentation workshop.
3. The organic solid waste zero-additive auxiliary material aerobic fermentation integrated system according to claim 1, wherein the tail end of the fermentation tank (5) is also used as a rotten clinker bin, so that the volume is large, and the back mixing and discharging requirements can be met.
4. The organic solid waste zero-additive aerobic fermentation integrated system according to claim 1, wherein the distribution turning device (4) is formed by combining 1 runner type turning machine (9) and 1 spiral material distributor (11), the length of the distribution spiral machine (11) is basically the same as the width of the fermentation tank, the distribution spiral machine is parallelly fixed on a main walking frame (10) at the front side of the turning machine, the bottom of the distribution spiral machine (11) is full of material distribution holes, one end of the distribution spiral machine (11) is provided with a material receiving chute (12), and the other end is provided with a material level meter (13). Simple structure, reliable operation and excellent functions of crushing, oxygenating and displacing.
5. The organic solid waste zero-additive aerobic fermentation integrated system according to claim 1, wherein the aeration device (6) is composed of an aeration fan (14), an aeration pipe (15) and a stainless steel fish scale hole plate (16). The aeration pipe (15) is connected with an aeration fan (14), and the fermentation material is oxygenated by the aeration fan (14). Aeration pipe (15) evenly arrange in fermentation tank bottom plate (18) recess (17), recess (17) upper cover stainless steel fish scale orifice plate (16), and this orifice plate is difficult for blockking up, easily clearance.
6. The organic solid waste zero-additive aerobic fermentation integrated system according to claim 1, wherein the discharging device (7) comprises a tank bottom reciprocating discharging machine (19), a belt receiving machine (20), a hopper elevator (21) and a spiral discharging machine (22). Fermented thoroughly decomposed materials are scraped out by a reciprocating discharging machine (19) at the bottom of the tank, and fall into a spiral discharging machine (22) in an equipment room after passing through a belt material receiving machine (20) and a hopper elevator (21), wherein two ends of the spiral discharging machine (22) are respectively provided with a discharging port, one is used for transporting the thoroughly decomposed materials outwards, and the other is used for back mixing.
7. The organic solid waste aerobic fermentation integrated system without auxiliary materials is characterized in that the waste gas purification tower (30) adopts the filler (35) as chemical standard regular filler or random filler, the void ratio is far greater than that of common biological deodorization fillers such as active carbon or pine bark, the wind resistance is reduced by more than 70%, the effective surface area is large, the gas and liquid contact is sufficient, the corrosion resistance is high, the strength is high, and the cracking and deformation are not easy to occur; the volume of a circulating liquid storage tank (32) at the bottom of the waste gas purification tower is far larger than that of a conventional biological deodorization circulating tank, and nutrient solution is supplemented as required, so that the circulating liquid of the waste gas purification tower (30) always keeps high biomass and biological activity, and the stable and high-efficiency deodorization effect is ensured.
8. The organic solid waste aerobic fermentation integrated system without auxiliary materials according to claim 7 is characterized in that the chemical deodorization is provided with a direct-fired hot air furnace (31) for heating air for fermentation, so that the system can be rapidly started at a low temperature and can keep high-efficiency operation, and carbon dioxide generated by combustion can chemically react with ammonia in waste gas, thereby increasing the fertilizer content of the decomposed material and playing a role in chemical deodorization.
9. The organic solid waste zero-additive auxiliary material aerobic fermentation integrated system according to claim 8, characterized in that an air inlet (41) for fresh air is arranged at the end of the fermentation workshop (2), namely the discharge end of the fermentation tank (5), the waste gas collecting pipeline (27) is arranged at the feed end of the fermentation workshop (2), and the air in the fermentation workshop (2) is in a plug flow state, so that the air quality at the discharge end of the fermentation tank (5) can be ensured to be optimal, the humidity is lowest, and the moisture content of the decomposed material can be reduced; the cloth turning and throwing device (4) is parked at the discharging end when not working, so that the corrosion of the equipment can be reduced, and the service life is prolonged; the air quality at the feeding end of the fermentation workshop (2) is the worst, the humidity is the largest, waste gas is collected from the position, and the waste gas purification tower can fully play a role.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113773127A (en) * | 2021-10-22 | 2021-12-10 | 江苏盛立环保工程有限公司 | Method for preparing compost by aerobic fermentation of sludge |
| CN113800965A (en) * | 2021-09-16 | 2021-12-17 | 光大环保技术研究院（南京）有限公司 | Organic solid waste aerobic composting intelligent integrated equipment and use method |
| CN115043675A (en) * | 2022-06-20 | 2022-09-13 | 田鹏 | Microbial organic fertilizer and preparation method thereof |
| CN115403415A (en) * | 2021-05-26 | 2022-11-29 | 王树岩 | Aeration system and method for promoting fermentation and improving fertilizer efficiency |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201997536U (en) * | 2010-12-29 | 2011-10-05 | 崔维 | Integration device for oxygen-enriched fermentation of solid wastes |
| CN104014580A (en) * | 2014-06-19 | 2014-09-03 | 北方工程设计研究院有限公司 | Stabilization treatment system of organic solid waste |
| CN106396769A (en) * | 2016-09-05 | 2017-02-15 | 烟台威明空间建筑工程有限公司 | Process equipment for composting and rapid aerobic fermentation of sludge, and automatic control scheme for composting and rapid aerobic fermentation process |
-
2019
- 2019-08-27 CN CN201910793264.XA patent/CN112521199A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201997536U (en) * | 2010-12-29 | 2011-10-05 | 崔维 | Integration device for oxygen-enriched fermentation of solid wastes |
| CN104014580A (en) * | 2014-06-19 | 2014-09-03 | 北方工程设计研究院有限公司 | Stabilization treatment system of organic solid waste |
| CN106396769A (en) * | 2016-09-05 | 2017-02-15 | 烟台威明空间建筑工程有限公司 | Process equipment for composting and rapid aerobic fermentation of sludge, and automatic control scheme for composting and rapid aerobic fermentation process |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115403415A (en) * | 2021-05-26 | 2022-11-29 | 王树岩 | Aeration system and method for promoting fermentation and improving fertilizer efficiency |
| CN113800965A (en) * | 2021-09-16 | 2021-12-17 | 光大环保技术研究院（南京）有限公司 | Organic solid waste aerobic composting intelligent integrated equipment and use method |
| CN113773127A (en) * | 2021-10-22 | 2021-12-10 | 江苏盛立环保工程有限公司 | Method for preparing compost by aerobic fermentation of sludge |
| CN115043675A (en) * | 2022-06-20 | 2022-09-13 | 田鹏 | Microbial organic fertilizer and preparation method thereof |
| CN115043675B (en) * | 2022-06-20 | 2024-03-19 | 乌鲁木齐木易联华生物科技有限公司 | Microbial organic fertilizer and preparation method thereof |
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Application publication date: 20210319 |