CN211079074U - Kitchen waste treatment system - Google Patents
Kitchen waste treatment system Download PDFInfo
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- CN211079074U CN211079074U CN201922141039.6U CN201922141039U CN211079074U CN 211079074 U CN211079074 U CN 211079074U CN 201922141039 U CN201922141039 U CN 201922141039U CN 211079074 U CN211079074 U CN 211079074U
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- drying tank
- kitchen waste
- biological drying
- bag breaking
- biological
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Abstract
The utility model belongs to the technical field of refuse treatment, concretely relates to kitchen garbage processing system. The system comprises a shaftless screw conveyor, a bag breaking machine, a stirrer, a biological drying tank, a granulator and the like; two ends of the shaftless screw conveyor are respectively connected with the stock bin and the bag breaking machine; the bag breaking machine is connected with the stirrer; the two ends of the loader or the spiral conveyer are respectively connected with the stirrer and the biological drying tank; the biological drying tank is connected with the granulator. The utility model discloses a kitchen garbage processing system, kitchen garbage through waterlogging caused by excessive rainfall, broken bag homogeneity, mixing stirring, evaporation to dryness and granulation, generate the fuel that can supply the enterprise demand at last. Changing waste into valuable and increasing the income of users. Compared with the anaerobic fermentation treatment of the kitchen waste, the method has low investment and high profitability.
Description
Technical Field
The utility model belongs to the technical field of refuse treatment, concretely relates to kitchen garbage processing system.
Background
The main process of kitchen waste treatment is to prepare methane through pretreatment and anaerobic fermentation, leachate and biogas slurry COD (chemical oxygen demand) generated in the process is as high as 8-10 ten thousand mg/L, ammonia nitrogen is as high as about 100-300 mg/Nm, the requirement on subsequent water treatment is extremely high, a pretreatment and RO (reverse osmosis) technology is generally adopted, however, the moisture content of the biogas residue treated by the technology is about 78-85% after dehydration, the incineration efficiency and the pollutant increase after incineration are greatly influenced during incineration, and about 45-55 ten thousand per ton of reverse osmosis kitchen waste treatment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a kitchen garbage processing system to solve in the past the filtration liquid and the natural pond sediment that kitchen garbage handles the production and handle the technical problem that the degree of difficulty is big, the expense is high.
In order to solve the technical problem, the utility model provides a kitchen waste treatment system, which comprises a storage bin, a shaftless screw conveyor, a bag breaking machine, a stirring machine, a loading machine or a screw conveyor, a biological drying tank and a granulator;
the bin is suitable for placing kitchen waste, two ends of the shaftless spiral conveyor are respectively connected with the bin and the bag breaking machine, the shaftless spiral conveyor is suitable for conveying the kitchen waste in the bin to the bag breaking machine, and the bag breaking machine is suitable for breaking and homogenizing the bagged kitchen waste;
the discharge port of the bag breaking machine is connected with a stirrer, auxiliary materials are added into the stirrer, and the stirrer is suitable for uniformly stirring and mixing the kitchen waste and the auxiliary materials to form a mixed material;
the two ends of the loader or the spiral conveyer are respectively connected with the stirrer and the biological drying tank, the loader or the spiral conveyer is suitable for conveying the mixed material to the biological drying tank, and the biological drying tank is suitable for evaporating the mixed material to dryness, removing water and sterilizing to form a dry material;
and the outlet of the biological drying tank is connected with a granulator, and the granulator is suitable for extruding dry materials to generate fuel.
Further, still include the biological filter, the intercommunication has the ventilation pipe that contains the air exhauster on the biological filter, the air inlet of ventilation pipe communicates with feed bin, shaftless screw conveyer, bag breaking machine, mixer, loader or screw conveyer and biological drying pond respectively, the air exhauster is suitable for decomposing the digestion in the waste gas suction biological filter in feed bin, shaftless screw conveyer, bag breaking machine, mixer, loader or screw conveyer and the biological drying pond.
Further, the biological filter adopts bark or other substances as fillers.
Further, be provided with drainage channel on the shaftless screw conveyer, drainage channel's delivery port inserts biological drying pond and connects atomizer in, atomizer is suitable for evenly spraying biological drying pond.
Further, the temperature of the biological drying tank is not more than 55-70 ℃.
The beneficial effects of the utility model are that, the utility model discloses a kitchen garbage processing system, kitchen garbage are through waterlogging caused by excessive rainfall, broken bag homogeneity, mixing stirring, evaporation to dryness and granulation, generate the fuel that can supply the enterprise's demand at last. Changing waste into valuable and increasing the income of users. Compared with the anaerobic fermentation treatment of the kitchen waste, the method has low investment and high profitability.
Partial water of the kitchen waste is removed through draining, bag breaking homogenization is carried out through a bag breaking machine, and stirring is carried out through a stirring machine, so that the kitchen waste biogas residue entering a biological drying tank is easy to dehydrate and convenient to evaporate to dryness, the biogas residue incineration efficiency is improved, and the increase of pollutants is avoided.
The penetrating fluid and the biogas slurry generated in the operation process are evaporated to dryness by the biological drying tank, the treatment difficulty is low, and the transportation cost is low. Waste gas generated in the operation process is decomposed and digested by microorganisms in the biofilter, so that the generation of pollutants is reduced.
The system does not generate flammable and explosive gas (such as methane), and devices with high safety requirements, such as a methane tank, a gas turbine generator and the like, are not installed in the system, so that the safety factor is high.
The system has the advantages of less power equipment, convenient operation and maintenance and low operation and maintenance cost.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a block diagram of a preferred embodiment of the kitchen waste treatment system of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the kitchen waste treatment system of this embodiment includes a storage bin, a shaftless screw conveyor, a bag breaker, a stirrer, a loader or a screw conveyor, a biological drying tank, and a granulator.
The feed bin is provided with a feed inlet and a discharge outlet, the feed inlet of the feed bin is suitable for feeding kitchen waste, and the feed inlet of the feed bin is connected with the shaftless screw conveyor. The discharge end of the shaftless screw conveyor is connected with the bag breaking machine, and the shaftless screw conveyor is suitable for conveying the kitchen waste in the storage bin to the bag breaking machine. A drainage channel is arranged on the shaftless spiral conveyor, and 20% of water in the kitchen waste is separated to generate waste water in the conveying process and enters the conveying channel. The bag breaking machine extrudes and shears the bagged kitchen waste, and is suitable for breaking and homogenizing the bagged kitchen waste.
The discharge gate and the mixer of bag-breaking machine are connected, and the mixer is provided with the charging hole, is suitable for to adding the auxiliary material in the mixer, and the auxiliary material is biomass for example. The stirrer is suitable for uniformly stirring and mixing the kitchen waste and auxiliary materials to form a mixed material so as to adjust parameters such as water content, air permeability, C/N (carbon-nitrogen ratio) and the like of the mixed material.
And two ends of the loader or the spiral conveyer are respectively connected with the stirrer and the biological drying tank, and the loader or the spiral conveyer is suitable for conveying the mixed material to the biological drying tank. The temperature of the biological drying tank is not more than 55-70 ℃. The biological drying tank is suitable for drying the mixed materials to dryness, the water in the kitchen waste is removed by drying to dryness, the sterilization requirement of the kitchen waste is met, and the mixed materials form dry materials. The water outlet of the drainage channel is inserted into the biological drying tank and connected with an atomizing nozzle, and the atomizing nozzle is suitable for uniformly spraying the biological drying tank to eliminate waste water.
The outlet of the biological drying pool is connected with a granulator, and the granulator is suitable for extruding the dry materials to generate the rod-shaped fuel. As a preferred scheme, an aging chamber is arranged between the biological drying tank and the granulator, and dry materials discharged from the biological drying tank enter the granulator after passing through the aging chamber. The water content of the dry materials discharged from the biological drying tank is 15-25%, and the water content is reduced to below 10% through the stacking and aging effect of an aging chamber. The dry materials after the stacking and aging are extruded by a granulator to generate rod-shaped fuels with certain hardness for taking out, thereby meeting the use requirements of enterprises with heat value requirements such as waste incineration, sludge incineration, power plants and the like and providing considerable economic benefits for users.
As shown in figure 1, the system also comprises a biological filter, wherein bark or other substances are adopted as fillers in the biological filter and are replaced every four years, so that the sufficient number of microorganisms in the biological filter is ensured. The biological filter is communicated with a ventilation pipe containing an exhaust fan, an air inlet of the ventilation pipe is respectively communicated with the storage bin, the shaftless screw conveyor, the bag breaking machine, the stirring machine, the loading machine or the screw conveyor, the biological drying tank and the ageing room, and the exhaust fan is suitable for pumping waste gas generated in the storage bin, the shaftless screw conveyor, the bag breaking machine, the stirring machine, the loading machine or the screw conveyor, the biological drying tank and the ageing room into the biological filter and thoroughly decomposing and digesting the waste gas through the decomposition effect of microorganisms in the biological filter.
As shown in fig. 1, in the practical operation of the present invention:
the kitchen waste is put into a bin and conveyed to a mechanical bag breaking device through a shaftless spiral conveyor, and mechanical draining is carried out on the kitchen waste in the conveying process. And (3) separating and removing 20% of water in the kitchen waste in the process that the kitchen waste enters a storage bin and is conveyed by a shaftless spiral conveyor. The kitchen waste entering the mechanical bag breaking device is extruded and sheared by the bag breaking machine, so that the bagged kitchen waste is mechanically broken and homogenized. The kitchen waste after bag breaking and homogenization and the additionally added auxiliary materials enter a stirrer together, and are uniformly stirred and mixed to form a mixed material, so that parameters such as water content, air permeability, C/N and the like of the mixed material are blended. The prepared mixed materials are sent into an aerobic biological drying tank through a loader or a screw conveyor, air is introduced into the biological drying tank, the mixed materials are evaporated to dryness in the biological drying tank to remove water, and the requirement of kitchen waste sterilization is met. The water content of the material after biological drying and evaporation to dryness is 15-25%, and the water content is reduced to below 10% through the stacking and aging effect. The mixed material after stacking and aging is extruded by a granulator to generate a rod-shaped fuel with certain hardness, so that the rod-shaped fuel can be used by enterprises with heat value requirements such as garbage incineration, sludge incineration and power plants, and considerable economic benefits are created for users.
Waste water generated by mechanical draining in the storage bin and the shaftless screw conveyor is conveyed to an atomizing nozzle of the biological drying tank through a pump, the atomized waste water is uniformly sprayed into the biological drying tank, and evaporation drying is carried out through the biological drying tank, so that a long sewage treatment process is avoided.
Waste gas generated in the kitchen waste treatment process is pumped into the biological filter through the exhaust fan respectively, and is decomposed and digested thoroughly through the decomposition effect of microorganisms in the biological filter.
To sum up, the utility model discloses a kitchen garbage processing system, kitchen garbage are through waterlogging caused by excessive rainfall, broken bag homogeneity, mixing stirring, evaporation to dryness and granulation, generate the fuel that can supply the enterprise demand at last. Changing waste into valuable, generating a final product, namely rod-shaped fuel for export sales, and increasing the income of users. Compared with anaerobic fermentation treatment of the kitchen waste, the investment per ton of the kitchen waste is only 10 ten thousand yuan, which is 20% of the investment per ton of the kitchen waste treated by the anaerobic fermentation process. Low investment and high profitability.
Partial water of the kitchen waste is removed through draining, bag breaking homogenization is carried out through a bag breaking machine, and stirring is carried out through a stirring machine, so that the kitchen waste biogas residue entering a biological drying tank is easy to dehydrate and convenient to evaporate to dryness, the biogas residue incineration efficiency is improved, and the increase of pollutants is avoided.
The penetrating fluid and the biogas slurry generated in the operation process are evaporated to dryness by the biological drying tank, the treatment difficulty is low, and the transportation cost is low. Waste gas generated in the operation process is decomposed and digested by microorganisms in the biofilter, so that the generation of pollutants is reduced.
The system does not generate flammable and explosive gas (such as methane), and devices with high safety requirements, such as a methane tank, a gas turbine generator and the like, are not installed in the system, so that the safety factor is high.
The system has the advantages of less power equipment, convenient operation and maintenance and low operation and maintenance cost.
The components selected for use in the present application (components not illustrated for specific structures) are all common standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimentation.
In the description of the embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. A kitchen waste treatment system is characterized by comprising a storage bin, a shaftless screw conveyor, a bag breaking machine, a stirrer, a loading machine or a screw conveyor, a biological drying tank and a granulator;
the bin is suitable for placing kitchen waste, two ends of the shaftless spiral conveyor are respectively connected with the bin and the bag breaking machine, the shaftless spiral conveyor is suitable for conveying the kitchen waste in the bin to the bag breaking machine, and the bag breaking machine is suitable for breaking and homogenizing the bagged kitchen waste;
the discharge port of the bag breaking machine is connected with a stirrer, auxiliary materials are added into the stirrer, and the stirrer is suitable for uniformly stirring and mixing the kitchen waste and the auxiliary materials to form a mixed material;
the two ends of the loader or the spiral conveyer are respectively connected with the stirrer and the biological drying tank, the loader or the spiral conveyer is suitable for conveying the mixed material to the biological drying tank, and the biological drying tank is suitable for evaporating the mixed material to dryness, removing water and sterilizing to form a dry material;
and the outlet of the biological drying tank is connected with a granulator, and the granulator is suitable for extruding dry materials to generate fuel.
2. The kitchen waste treatment system according to claim 1, further comprising a biological filter, wherein the biological filter is communicated with a ventilation pipe containing an exhaust fan, an air inlet of the ventilation pipe is respectively communicated with the bin, the shaftless screw conveyor, the bag breaking machine, the stirring machine, the loading machine or the screw conveyor and the biological drying tank, and the exhaust fan is suitable for decomposing and digesting waste gas in the bin, the shaftless screw conveyor, the bag breaking machine, the stirring machine, the loading machine or the screw conveyor and the biological drying tank into the biological filter.
3. The kitchen waste treatment system according to claim 2, wherein the biofilter uses bark as a filler.
4. The kitchen waste treatment system according to claim 1, wherein a drainage channel is arranged on the shaftless screw conveyor, a water outlet of the drainage channel is inserted into the biological drying tank and connected with an atomizing nozzle, and the atomizing nozzle is suitable for uniformly spraying the biological drying tank.
5. The kitchen waste treatment system according to claim 1, wherein the temperature of the biological drying tank is not more than 55-70 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922141039.6U CN211079074U (en) | 2019-12-02 | 2019-12-02 | Kitchen waste treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922141039.6U CN211079074U (en) | 2019-12-02 | 2019-12-02 | Kitchen waste treatment system |
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| CN211079074U true CN211079074U (en) | 2020-07-24 |
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| CN201922141039.6U Active CN211079074U (en) | 2019-12-02 | 2019-12-02 | Kitchen waste treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110846097A (en) * | 2019-12-02 | 2020-02-28 | 上海环境工程设计研究院有限公司 | Kitchen waste treatment system and technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110846097A (en) * | 2019-12-02 | 2020-02-28 | 上海环境工程设计研究院有限公司 | Kitchen waste treatment system and technology |
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