CN111454084B - Kitchen waste distributed type rapid degradation integrated device and process thereof - Google Patents
Kitchen waste distributed type rapid degradation integrated device and process thereof Download PDFInfo
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- CN111454084B CN111454084B CN202010435433.5A CN202010435433A CN111454084B CN 111454084 B CN111454084 B CN 111454084B CN 202010435433 A CN202010435433 A CN 202010435433A CN 111454084 B CN111454084 B CN 111454084B
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Classifications
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F9/00—Fertilisers from household or town refuse
- C05F9/02—Apparatus for the manufacture
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F9/00—Fertilisers from household or town refuse
- C05F9/04—Biological compost
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a distributed rapid degradation integrated device for kitchen waste and a process thereof, wherein the device comprises a degradation bin for degrading the kitchen waste by means of microorganisms, a receiving hopper is arranged above the degradation bin, and a lifting chain wheel rack is arranged at one side of the receiving hopper; the decomposition bin is communicated with the decomposition bin through a dewatering screw and a conveying screw; a crushing cutter set is arranged below the receiving hopper and is positioned above the decomposition bin; the decomposing bin is provided with a decomposing bin air outlet valve, the decomposing bin air outlet valve and the decomposing bin air outlet valve are connected with a primary ozone deodorizing machine through a No. 1 exhaust fan, an outlet of the primary ozone deodorizing machine is connected with an inlet of a secondary spray tower, an outlet of the secondary spray tower is connected with an inlet of a No.2 exhaust fan, and an outlet of the No.2 exhaust fan is connected with an exhaust chimney.
Description
Technical Field
The invention relates to the technical field of organic waste treatment, in particular to a kitchen waste treatment device and a working method.
Background
Along with the continuous improvement of living standard, various domestic garbage is huge in production, and huge pressure is caused to living environment and ecological environment, so that the implementation of garbage classification has important significance to our life.
Investigation shows that residents have a certain cognition on household garbage classification, but classification behavior habits of the household garbage are not formed in practice, and the situations of unclassified classification, disordered classification and the like exist, management responsibilities such as property and the like still lack effective management and control means for resident personnel to participate in garbage classification, and are influenced by 'waste recovery', and residents have higher recognition and mobility on recoverable garbage through classified collection and classified delivery, but have poor accurate delivery effects, so that intelligent, ecological and environment-friendly intelligent decentralized processing facilities conforming to the concept of circular economy are required to be built, a decentralized and small-scale intelligent processing system is required to be built nearby, the transportation and disposal cost of wet garbage is reduced, the recycling of renewable resources is solved, and the social and economic development is promoted.
Disclosure of Invention
The invention aims to provide a distributed rapid degradation integrated device and process for kitchen waste. The invention completely follows the harmless, reduced and resource treatment principle, kitchen waste is a special solid waste, the content of organic matters and nutrient elements are rich, the recycling value is great, meanwhile, the device solves the problem of long-distance transportation treatment flow of kitchen waste, the pollution to the environment caused by leakage and sprinkling in the transportation process is avoided, and meanwhile, the produced organic product fertilizer can be provided for peripheral growers for use, the use frequency of the fertilizer is reduced, and the environmental protection is promoted.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the integrated device comprises a decomposition bin, wherein a receiving hopper is arranged above the decomposition bin, and a lifting chain wheel rack is arranged on one side of the receiving hopper; the decomposition bin is communicated with the decomposition bin through a dewatering screw and a conveying screw; a crushing cutter set is arranged below the receiving hopper and is positioned above the decomposition bin;
The decomposing bin is provided with a decomposing bin air outlet valve, the decomposing bin air outlet valve and the decomposing bin air outlet valve are connected with a primary ozone deodorizer through a No.1 exhaust fan, an outlet of the primary ozone deodorizer is connected with an inlet of a secondary spray tower, an outlet of the secondary spray tower is connected with an inlet of a No. 2 exhaust fan, and an outlet of the No. 2 exhaust fan is connected with an exhaust chimney.
The decomposition bin and the decomposition bin are heatable bin bodies, the decomposition bin reaction temperature is 30-37 ℃, the decomposition bin reaction temperature is 45-50 ℃, heating medium is heat conduction oil, heat insulation layers are arranged on the outer walls of the bin bodies, heat dissipation loss of the bin bodies is reduced, and the heating temperature of the bin bodies is controlled by a heat conduction oil heating device and a control system in a combined mode.
The heat conduction oil heating device comprises a heat conduction oil circulation box, wherein a heating rod, a temperature sensor and a pressure sensor are arranged in the heat conduction oil circulation box, and the heating rod, the temperature sensor and the pressure sensor are connected with a control system through wires.
The decomposing bin and the decomposing bin are respectively provided with a decomposing bin stirring device and a decomposing bin stirring device, wherein the decomposing bin stirring device consists of a first harrow blade, a first rotating shaft system and a first motor, the first motor is connected with the control system through a wire, and the first motor drives the first rotating shaft to drive the first harrow blade to rotate; the decomposing tank stirring device consists of a second harrow blade, a second rotating shaft system and a second motor, wherein the second motor is connected with the control system through a wire, and the second motor drives the second rotating shaft system to drive the second harrow blade to rotate so as to stir materials in the tank.
The side wall of the decomposition bin is provided with a decomposition bin pressure sensor and a decomposition bin temperature sensor, and the decomposition bin pressure sensor and the decomposition bin temperature sensor are connected with a control system through wires; the pressure and the temperature of the decomposition bin pass through a decomposition bin pressure sensor and a decomposition bin temperature sensor, detection signals are fed back to a control system, micro negative pressure is kept in the decomposition bin, the reaction temperature is 30-37 ℃, the decomposition bin pressure or temperature exceeds a set pressure and temperature range, the control system sends out alarm signals, and the system stops for inspection.
The side wall of the decomposing tank is provided with a decomposing tank pressure sensor and a decomposing tank temperature sensor, and the decomposing tank pressure sensor and the decomposing tank temperature sensor are connected with a control system through leads; the pressure and the temperature of the decomposing tank are fed back to a control system through a decomposing tank pressure sensor and a decomposing tank temperature sensor, micro negative pressure is kept in the decomposing tank, the reaction temperature is 45-50 ℃, the pressure or the temperature of the decomposing tank exceeds a set pressure and temperature range, the control system sends out an alarm signal, and the system stops for inspection.
The receiving hopper is provided with an arch preventing device, the arch preventing device is composed of an electric push rod and a push head, the electric push rod is connected with the control system through a wire, the electric push rod is connected with the push head through a pin shaft, the electric push rod drives the push head to reciprocate, and materials entering the receiving hopper can be boosted in the cabin direction, so that the materials are prevented from arching in the receiving hopper, and the materials smoothly enter the decomposition cabin.
Wherein, the decomposition bin is provided with a liquid outlet.
Wherein, be equipped with the discharge gate on the rotten storehouse.
The control system can control the lifting chain wheel frame electric system to lift the kitchen garbage bin and tip the material into the receiving hopper.
The whole device adopts a closed design, wherein the parts contacted with the materials are made of stainless steel, so that the device can operate in a high-humidity corrosive environment for a long time.
The control system can intensively control the electric system of the lifting chain wheel frame, the arching prevention device, the decomposition bin stirring device, the No. 1 exhaust fan, the No.2 exhaust fan, the decomposition bin pressure sensor, the decomposition bin temperature sensor, the crushing cutter group, the decomposition bin air outlet valve and the heat conducting oil heating device.
When the garbage can is in operation, the control system controls the lifting chain wheel frame electric system to lift the garbage can and tip the material into the receiving hopper, the material enters the crushing cutter group through the receiving hopper to be crushed and then is discharged into the decomposition bin to be decomposed, the processed material liquid phase is discharged from the liquid outlet to be organically collected, the solid phase is conveyed to the decomposition bin to be decomposed through the conveying screw after being dehydrated and spiral, and finally the material is discharged from the discharge outlet to be bagged and stored for standby.
The peculiar smell gas generated in the treatment process of the decomposition bin is organically collected to a first-stage ozone deodorizer and a second-stage spray tower by a No. 1 exhaust fan, is intensively treated to reach the standard, and is then discharged by a No.2 exhaust fan conveying exhaust chimney.
The treatment process of the integrated device for the scattered rapid degradation of the kitchen waste comprises the following steps: raw material collection, lifting feeding, receiving, crushing, primary feeding and conveying, decomposition, extrusion dehydration, secondary feeding and conveying, decomposition, liquid phase collection, waste gas collection and odor control.
Compared with the prior art, the invention has the outstanding effects that:
(1) The device has overcome the defects of long treatment time, difficult secondary pollution control, low quality of fertilizer products and the like of the traditional kitchen waste (wet waste) treatment mode, can realize the on-site and timely treatment of the kitchen waste (wet waste), and thoroughly reduces and thoroughly decomposes organic materials by rapidly degrading and decomposing organic components of the kitchen waste (wet waste) at high temperature, thereby realizing harmless, quantitative reduction and recycling treatment of the kitchen waste (wet waste).
(2) The process adopts a decomposition and decomposition two-stage treatment process, and after the kitchen waste (wet waste) is subjected to efficient decrement treatment, the organic material is rapidly decomposed by using decomposed bacteria. The decomposition section adopts processes such as crushing, extrusion dehydration and the like to realize great reduction treatment of materials, and after the reduction treatment, the quality, the volume and the water content of the materials are greatly reduced, so that the decomposition period of the decomposition section is shortened, and the decomposition effect is improved.
(3) The device overcomes the defects of long-time and long-flow treatment in the prior art, can realize nearby treatment, realizes a series of processes from quick degradation to decomposition of kitchen waste, and quickly realizes turning kitchen waste into wealth.
(4) The device overcomes the defect of large occupied area of equipment, can achieve high efficiency and cleaning, is convenient to operate and has wide application range.
(5) When the device is used for treating kitchen waste materials, sewage and odor are not escaped, so that secondary pollution is effectively prevented, and maintenance and repair are convenient.
(6) The device adopts the fully-closed stainless steel design, so that the device is firm and durable, and the maintenance and repair and replacement costs are reduced.
The invention further provides a kitchen waste dispersion type rapid degradation integrated device and a process thereof by combining the description of the drawings and the specific embodiments.
Drawings
FIG. 1 is a side view of a kitchen waste dispersion type rapid degradation integrated device;
FIG. 2 is a front view of a kitchen waste dispersion type rapid degradation integrated device;
FIG. 3 is a top view of the integrated device for the decentralized rapid degradation of kitchen waste;
FIG. 4 is a schematic structural view of an anti-arching device of the integrated device for dispersing and rapidly degrading kitchen waste;
fig. 5 is a schematic structural view of a decomposing tank and decomposing tank stirring device of the kitchen waste dispersion type rapid degradation integrated device;
Fig. 6 is a schematic structural diagram of a conduction oil heating device of the integrated device for dispersing and rapidly degrading kitchen waste;
Fig. 7 is a process flow diagram.
The device comprises a 1-lifting chain wheel rack, a 2-receiving hopper, a 3-decomposition bin, a 4-decomposition bin, a 5-dewatering spiral, a 6-conveying spiral, a 7-liquid outlet, an 8-discharge outlet, a 9-control system, a 10-lifting chain wheel rack electric system, an 11-anti-arching device, a 111-electric push rod, a 112-push head, a 12-decomposition bin stirring device, a 121-first harrow leaf, a 122-first rotating shaft system, a 123-first motor, a 13-decomposition bin stirring device, a 131-second harrow leaf, a 132-second rotating shaft system, a 133-second motor, a 14-first-stage ozone deodorizer, a 15-second-stage spray tower, a 16-1# exhaust fan, a 17-2# exhaust fan, a 18-exhaust chimney, a 19-decomposition bin pressure detector, a 20-decomposition bin pressure detector, a 21-decomposition bin temperature detector, a 22-decomposition bin temperature detector, a 23-crushing knife set, a 24-pipeline bracket, a 25-decomposition bin air outlet valve, a 26-decomposition bin outlet valve, a 27-heating device, a 27-273-heat conduction oil heater, a thermal conduction rod heat conduction oil sensor, a 273-transfer device, a thermal conduction oil sensor, a 273-circulation oil sensor, and a heat conduction oil sensor.
Detailed Description
As shown in fig. 1-3, the integrated device for the distributed rapid degradation of kitchen waste comprises a decomposition bin 3, wherein a receiving hopper 2 is arranged above the decomposition bin 3, and a lifting chain wheel frame 1 is arranged on one side of the receiving hopper 2; the decomposition bin 3 is communicated with the decomposition bin 4 through a dewatering screw 5 and a conveying screw 6; a crushing cutter set 23 is arranged below the receiving hopper 2, and the crushing cutter set 23 is positioned above the decomposition bin 3;
The decomposition bin 3 is provided with a decomposition bin air outlet valve 25, the decomposition bin 4 is provided with a decomposition bin air outlet valve 26, the decomposition bin air outlet valve 25 and the decomposition bin air outlet valve 26 are connected with the primary ozone deodorizer 14 through a No. 1 exhaust fan 16, the outlet of the primary ozone deodorizer 14 is connected with the inlet of the secondary spray tower 15, the outlet of the secondary spray tower 15 is connected with the inlet of the No. 2 exhaust fan 17, and the outlet of the No. 2 exhaust fan 17 is connected with the exhaust chimney 18.
The decomposition bin 3 and the decomposition bin 4 are heatable bin bodies, the heating medium is heat conduction oil, the reaction temperature of the decomposition bin 3 is 30-37 ℃, the reaction temperature of the decomposition bin 4 is 45-50 ℃, the heating medium is heat conduction oil, the outer walls of the bin bodies are provided with heat preservation layers, and the heating temperature of the bin bodies is controlled by the heat conduction oil heating device 27 and the control system 9 in a combined way.
As shown in fig. 6, the conduction oil heating apparatus 27 includes a conduction oil circulation tank 272, and a heating rod 271, a temperature sensor 273, and a pressure sensor 274 are provided in the conduction oil circulation tank 272, and the heating rod 271, the temperature sensor 273, and the pressure sensor 274 are connected to the control system 9 via wires.
As shown in fig. 5, a decomposition bin stirring device 12, a decomposition bin stirring device 13 and a decomposition bin stirring device 12 are respectively arranged in the decomposition bin 3 and the decomposition bin 4, the decomposition bin stirring device 12 consists of a first harrow blade 121, a first rotating shaft system 122 and a first motor 123, the first motor 123 is connected with the control system 9 through a wire, and the first motor 123 drives the first rotating shaft system 122 to drive the first harrow blade 121 to rotate; the decomposing tank stirring device 13 consists of a second harrow blade 131, a second rotating shaft system 132 and a second motor 133, wherein the second motor 123 is connected with the control system 9 through a wire, and the second motor 133 drives the second rotating shaft system 132 to drive the second harrow blade 131 to rotate.
The side wall of the decomposition bin 3 is provided with a decomposition bin pressure sensor 19 and a decomposition bin temperature sensor 21, the decomposition bin pressure sensor 19 and the decomposition bin temperature sensor 21 are connected with the control system 9 through wires, the pressure and the temperature of the decomposition bin 3 are fed back to the control system 9 through the decomposition bin pressure sensor 19 and the decomposition bin temperature sensor 21 to detect signals, the pressure or the temperature of the decomposition bin 3 exceeds a set pressure and temperature range, the control system 9 sends out alarm signals, and the system stops checking.
The side wall of the decomposing tank 4 is provided with a decomposing tank pressure sensor 20 and a decomposing tank temperature sensor 22, the decomposing tank pressure sensor 20 and the decomposing tank temperature sensor 22 are connected with the control system 9 through wires, the pressure and the temperature of the decomposing tank 4 are fed back to the control system 9 through the decomposing tank pressure sensor 20 and the decomposing tank temperature sensor 22 to detect signals, the pressure or the temperature of the decomposing tank 4 exceeds a set pressure and temperature range, the control system 9 sends out alarm signals, and the system stops checking.
As shown in fig. 4, the receiving hopper 2 is provided with an anti-arching device 11, the anti-arching device 11 is composed of an electric push rod 111 and a push head 112, the electric push rod 111 is connected with the control system 9 through a wire, the electric push rod 111 is connected with the push head 112 through a pin shaft, the electric push rod 111 drives the push head 112 to reciprocate, and the anti-arching device can boost the materials entering the receiving hopper 2 to the direction of the cabin and prevent the materials from arching in the receiving hopper 2.
The decomposition bin 3 is provided with a liquid outlet 7. The decomposing tank 4 is provided with a discharge hole 8.
The lifting chain wheel frame 1 is provided with a lifting chain wheel frame electric system 10, and the control system 9 can control the lifting chain wheel frame electric system 10 to lift the kitchen garbage bin and tip the material into the receiving hopper 2.
The control system 9 is used for controlling the lifting chain wheel frame electric system 10, the arching prevention device 11, the decomposition bin stirring device 12, the decomposition bin stirring device 13, the No. 1 exhaust fan 16, the No. 2 exhaust fan 17, the decomposition bin pressure sensor 19, the decomposition bin pressure sensor 20, the decomposition bin temperature sensor 21, the decomposition bin temperature sensor 22, the crushing knife group 23, the decomposition bin air outlet valve 25, the decomposition bin air outlet valve 26 and the heat conducting oil heating device 27 in a centralized manner.
The whole device adopts a closed design, wherein the parts contacted with the materials are all made of stainless steel. The conveying pipeline in the whole device is supported and fixed through a pipeline bracket 24.
The working principle of the device is as follows:
Placing a garbage can containing kitchen waste to be treated on a lifting chain wheel frame 1, fixing the garbage can, starting a lifting chain wheel frame electric system 10 to lift materials to a set position by a control system 9, tilting and pouring the materials into a receiving hopper 2, crushing the materials by a crushing cutter group 23 through the receiving hopper 2, and then entering a decomposition bin 3, wherein an anti-arching device 11 is arranged on the receiving hopper 2 to assist the materials so as to enable the materials to smoothly fall down, the materials are prevented from arching at the inlet position of the receiving hopper 2, the materials smoothly enter the decomposition bin 3, repeatedly feeding the materials to a set volume, stopping working of the lifting chain wheel frame electric system 10, starting to heat the decomposition bin 3 by a signal provided by the control system 9 to a heat conducting oil heating device 27, starting to stir the materials in the decomposition bin 3 at a fixed time by a decomposition bin stirring device 12, enabling the materials to be uniformly heated, and enabling the decomposition bin 3 to be provided with a decomposition bin temperature sensor 21, and after the set reaction temperature is exceeded, transmitting a signal to the control system 9 so as to stop heating the heat conducting oil heating device 27; the decomposition bin 3 is simultaneously provided with a decomposition bin pressure sensor 19, the pressure condition of the decomposition bin 3 is detected, and the pressure of the decomposition bin 3 is controlled according to the feedback signal of the decomposition bin pressure sensor 19;
The materials in the decomposition bin 3 are degraded in a set time, the degraded solid phase is dehydrated by a dehydration screw 5 and then is conveyed to the decomposition bin 4 by a conveying screw 6, and the degraded waste water is discharged from the bin through a liquid outlet 7 for organized collection, so that environmental pollution is avoided.
The decomposed materials in the decomposition bin 3 enter the decomposition bin 4, a control system 9 gives a signal to a heat conducting oil heating device 27 to start heating the decomposition bin 4, meanwhile, a decomposition bin stirring device 13 is started to stir the materials in the decomposition bin 4 at regular time to uniformly heat the materials, the decomposition bin 4 is provided with a decomposition bin temperature sensor 22, micro negative pressure is kept in the decomposition bin, the reaction temperature is 30-37 ℃, and after the reaction temperature exceeds a set reaction temperature, the decomposition bin temperature sensor 22 transmits a signal to the control system 9 to stop heating the heat conducting oil heating device 27;
The decomposing tank 4 is simultaneously provided with a decomposing tank pressure sensor 20, the pressure condition of the decomposing tank 4 is detected, the decomposing tank is kept with micro negative pressure, the reaction temperature is 45-50 ℃, the materials in the decomposing tank 4 are decomposed within a set time, the decomposed materials are finished organic fertilizer, and the organic fertilizer is discharged from the discharge port 8 into the tank and is packaged for standby.
When the decomposition bin 3 and the decomposition bin 4 work, the decomposition bin air outlet valve 25 and the decomposition bin air outlet valve 26 are matched with the No. 1 exhaust fan 16 and the No. 2 exhaust fan 17, peculiar smell gas generated in the reaction process in the bin is conveyed to the first-stage ozone deodorizer 14 and the second-stage spray tower 15 through the No. 1 exhaust fan 16 for carrying out second-stage deodorization process treatment, and the treated gas is discharged to the exhaust chimney 18 through the No. 2 exhaust fan 17 for being discharged. The gas in the discharge bin is collected in an organized way, and the gas is discharged after reaching the standard, so that the environmental pollution is avoided.
As shown in fig. 7, the kitchen waste treatment process adopting the device comprises the following steps:
1) Collecting raw materials: collecting kitchen waste (wet waste) by using a standard garbage can;
2) Lifting and feeding: after the garbage can is lifted by the lifting chain wheel frame, the turnover dumping of the garbage can is realized through the turnover mechanism;
3) And (3) receiving: receiving the dumped kitchen waste (wet waste) by adopting a receiving hopper;
4) Crushing: crushing the materials through a crushing cutter group, and homogenizing the small particles of the materials;
5) Primary feeding and conveying: discharging the material into a decomposition bin by using wet garbage conveying equipment;
6) Decay: the material is mixed with a microbial decomposition microbial agent in a decomposition bin provided with a stirring device, and the decomposition microbial agent is rapidly propagated at a proper active temperature of 30-37 ℃ and rapidly decomposed organic matters;
7) Extrusion dehydration: the dehydration spiral is changed in pitch, the containing cavity is reduced, the material is extruded, the spring pressure head is arranged at the tail end of the discharge hole to form resistance to the material, the material after quick decomposition can achieve a dehydration rate of up to 70% in the mechanical extrusion dehydration of the dehydration spiral, and the total amount of the material is greatly reduced.
8) And (3) secondary feeding and conveying: the weight of the dehydrated and reduced organic material is 10% of that of the original material, and the organic material is conveyed into a decomposing tank by a conveying screw to be deeply decomposed.
9) And (3) decomposing: the dehydrated organic materials are mixed and inoculated with the composite microbial decomposing inoculant in a decomposing tank, under the action of a stirring system, the materials are subjected to continuous aerobic fermentation, the decomposing inoculant is accelerated to propagate at a proper temperature of 45-50 ℃ in the tank, the materials are subjected to decomposing fermentation treatment, under a continuous fermentation state, the organic materials are rapidly decomposed, and the decomposed materials can be used as organic fertilizers for landscaping and agricultural production.
10 Liquid phase collection:
the liquid phase part squeezed and dehydrated is collected and treated in a concentrated way through a liquid phase collecting container and then is discharged uniformly, so that secondary pollution to the surrounding environment of facilities is avoided.
11 Exhaust gas collection: the process waste gas generated in the processes of receiving, decomposing and decomposing the materials has certain pollution and needs to be collected and treated so as to be orderly discharged after reaching the standard; the waste gas collecting system comprises a closed collecting pipeline and a negative pressure induced draft fan.
12 Odor control: the waste gas collected by the process waste gas collecting system enters an odor control system, namely a first-stage ozone deodorizing machine and a second-stage spray tower, and is subjected to chemical reaction through the first-stage ozone deodorizing to oxidize and decompose odor molecules such as amine, hydrogen sulfide, methyl mercaptan and the like in odor into non-toxic odorless substances, and then enters the second-stage spray tower to be subjected to physical spraying to remove large-particle dust substances in the gas, so that the waste gas is safely discharged after reaching the discharge standard after the two-stage treatment.
The decomposing microbial inoculum can be a crane dancing decomposing microbial inoculum (WH-FJ-A), and is an effective composite microbial inoculum in a biochemical treatment process system for producing organic fertilizer, wherein the decomposing microbial inoculum is used for the scale reduction treatment of kitchen waste, especially tail vegetables. Comprises bacillus subtilis ACCC19747, streptococcus thermophilus ACCC10651 and candida tropicalis ACCC 20006.
In the process of treating materials (the water content is 93-97%), the microbial inoculum mainly degrades cellulose and hemicellulose in the material components through facultative anaerobic and aerobic fermentation, separates intercellular moisture, quickly permeates out the moisture, gradually loses the original form of the materials, deepens the color of the materials and promotes the reduction of the materials. After 24 hours of fermentation treatment, the material is extruded and dehydrated, the dehydration rate of the material can reach more than 70 percent, and the water content of a slag phase is 80-85 percent; is suitable for the reduction treatment of kitchen wastes, fruits and vegetables and kitchen wastes.
When in use, the microbial inoculum and the materials are put according to the input proportion of 1 to 5 per mill.
Wherein, the decomposing inoculant can be prepared from se:Sup>A crane decomposing inoculant (WH-FS-A), and the inoculant is suitable for recycling urban and rural organic wastes such as kitchen waste, fruit and vegetable waste, livestock and poultry manure and the like. Comprises ACCC01958 bacillus licheniformis, ACCC19373 bacillus licheniformis, ACCC20006 candida tropicalis and common high-temperature actinomycetes CICC 10650.
The microbial inoculum can promote the rapid fermentation and decomposition of materials; the heat generated by fermentation can kill harmful bacteria, ova and weed seeds in the materials; can rapidly degrade organic substances such as protein, cellulose, hemicellulose, lignin, etc., and improve the utilization rate of organic substances and nutrients. Can rapidly decompose and mineralize elements such as carbon, nitrogen, phosphorus, potassium, sulfur and the like in the materials to form simple organic matters or inorganic matters, and is convenient for the fertilizer application of fermentation products.
When in use, the microbial inoculum and the materials are put according to the input proportion of 1 to 5 per mill.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (6)
1. Kitchen garbage dispersed type rapid degradation integrated device is characterized in that: the device comprises a decomposition bin (3), wherein a receiving hopper (2) is arranged above the decomposition bin (3), and a lifting chain wheel frame (1) is arranged on one side of the receiving hopper (2); the decomposition bin (3) is communicated with the decomposition bin (4) through a dewatering screw (5) and a conveying screw (6); a crushing cutter set (23) is arranged below the receiving hopper (2), and the crushing cutter set (23) is positioned above the decomposition bin (3);
The decomposing bin (3) is provided with a decomposing bin air outlet valve (25), the decomposing bin (4) is provided with a decomposing bin air outlet valve (26), the decomposing bin air outlet valve (25) and the decomposing bin air outlet valve (26) are connected with a primary ozone deodorizer (14) through a 1# exhaust fan (16), the outlet of the primary ozone deodorizer (14) is connected with the inlet of a secondary spray tower (15), the outlet of the secondary spray tower (15) is connected with the inlet of a 2# exhaust fan (17), and the outlet of the 2# exhaust fan (17) is connected with an exhaust chimney (18);
the decomposition bin (3) and the decomposition bin (4) are heatable bin bodies, the reaction temperature of the decomposition bin (3) is 30-37 ℃, the reaction temperature of the decomposition bin (4) is 45-50 ℃, a heating medium is heat conduction oil, heat preservation layers are arranged on the outer walls of the bin bodies, and the heating temperature of the bin bodies is controlled by a heat conduction oil heating device (27) and a control system (9) in a combined way;
an anti-arching device (11) is arranged on the receiving hopper (2); the anti-arching device (11) consists of an electric push rod (111) and a push head (112), wherein the electric push rod (111) is connected with the control system (9) through a wire, the electric push rod (111) is connected with the push head (112) through a pin shaft, the electric push rod (111) drives the push head (112) to reciprocate, and the material entering the receiving hopper (2) is boosted in the cabin direction, so that the material smoothly enters the cabin, and arching of the material in the receiving hopper (2) is prevented;
When the garbage can is in operation, the control system (9) controls the lifting chain wheel frame electric system (10) to lift the garbage can and tip the material into the receiving hopper (2), the material enters the crushing cutter group (23) through the receiving hopper (2) to be crushed and then enters the decomposing bin (3) to be decomposed, the liquid phase of the processed material is discharged from the liquid outlet (7) to be organically collected, the solid phase is dehydrated by the dehydration screw (5) and then is conveyed to the decomposing bin (4) to be decomposed by the conveying screw (6), and finally the material is discharged from the discharge outlet (8) to be bagged and stored for standby;
The peculiar smell gas generated in the treatment process of the decomposition bin (3) and the decomposition bin (4) is organically collected to a first-stage ozone deodorizer (14) by a No. 1 exhaust fan (16), and is intensively treated by a second-stage spray tower (15) to reach the standard and then is discharged by a No. 2 exhaust fan (17) conveying exhaust chimney (18);
The decomposition bin (3) and the decomposition bin (4) are respectively provided with a decomposition bin stirring device (12) and a decomposition bin stirring device (13); the decomposition bin stirring device (12) consists of a first harrow blade (121), a first rotating shaft system (122) and a first motor (123), wherein the first motor (123) is connected with the control system (9) through a wire, and the first motor (123) drives the first rotating shaft system (122) to drive the first harrow blade (121) to rotate; the decomposing tank stirring device (13) consists of a second harrow blade (131), a second rotating shaft system (132) and a second motor (133), wherein the second motor (133) is connected with the control system (9) through a wire, and the second motor (133) drives the second rotating shaft system (132) to drive the second harrow blade (131) to rotate;
the side wall of the decomposition bin (3) is provided with a decomposition bin pressure sensor (19) and a decomposition bin temperature sensor (21), and the decomposition bin pressure sensor (19) and the decomposition bin temperature sensor (21) are connected with a control system (9) through wires; the pressure and the temperature of the decomposition bin (3) are detected by a decomposition bin pressure sensor (19) and a decomposition bin temperature sensor (21), detection signals are fed back to a control system (9), micro negative pressure is kept in the decomposition bin (3), the reaction temperature is 30-37 ℃, the pressure or the temperature of the decomposition bin (3) exceeds a set pressure and temperature range, the control system (9) sends out alarm signals, and the system stops for inspection;
The side wall of the decomposing tank (4) is provided with a decomposing tank pressure sensor (20) and a decomposing tank temperature sensor (22), the pressure and the temperature of the decomposing tank (4) are fed back to a control system (9) through the decomposing tank pressure sensor (20) and the decomposing tank temperature sensor (22), micro negative pressure is kept in the decomposing tank (4), the reaction temperature is 45-50 ℃, the pressure or the temperature of the decomposing tank (4) exceeds a set pressure and temperature range, the control system (9) sends out an alarm signal, and the system stops checking.
2. The integrated device for the distributed rapid degradation of kitchen waste according to claim 1, wherein: the conduction oil heating device (27) comprises a conduction oil circulation box (272), a heating rod (271), a temperature sensor (273) and a pressure sensor (274) are arranged in the conduction oil circulation box (272), and the heating rod (271), the temperature sensor (273) and the pressure sensor (274) are connected with the control system (9) through wires.
3. The integrated device for the distributed rapid degradation of kitchen waste according to claim 1, wherein: the decomposition bin (3) is provided with a liquid outlet (7); and a discharge hole (8) is arranged on the decomposing tank (4).
4. The integrated device for the distributed rapid degradation of kitchen waste according to claim 1, wherein: the lifting chain wheel frame (1) is provided with a lifting chain wheel frame electric system (10), and the control system (9) controls the lifting chain wheel frame electric system (10) to lift the kitchen garbage bin and tip the material into the receiving hopper (2).
5. The integrated device for the distributed rapid degradation of kitchen waste according to claim 1, wherein: the whole device adopts a closed design, wherein the parts contacted with the materials are all made of stainless steel.
6. The process for treating the kitchen waste dispersed type rapid degradation integrated device according to any one of claims 1 to 5, which is characterized by comprising the following steps: raw material collection, lifting feeding, receiving, crushing, primary feeding and conveying, decomposition, extrusion dehydration, secondary feeding and conveying, decomposition, liquid phase collection, waste gas collection and odor control.
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| CN112462006A (en) * | 2020-11-27 | 2021-03-09 | 扬州鑫威环保生物科技有限公司 | Experiment method for culturing biological agent for kitchen waste treatment |
| CN113735639B (en) * | 2021-09-29 | 2024-03-08 | 北京舞鹤环境工程设计有限公司 | Quick microorganism aerobic fermentation treatment process and device |
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