CN213113148U - Organic solid waste compost aeration system - Google Patents
Organic solid waste compost aeration system Download PDFInfo
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- CN213113148U CN213113148U CN202020998454.3U CN202020998454U CN213113148U CN 213113148 U CN213113148 U CN 213113148U CN 202020998454 U CN202020998454 U CN 202020998454U CN 213113148 U CN213113148 U CN 213113148U
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- aeration
- pile turning
- fermentation
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
The invention discloses an organic solid waste compost aeration system which structurally comprises a temperature sensor, a perforated aeration pipe, a blower, an induced draft fan, a valve, an odor collecting pipe and a connecting pipeline. In the fermentation bin, the pile turning machine works according to a set frequency, materials move from the head of the fermentation bin to the tail of the fermentation bin under the pile turning action of the pile turning machine, and the materials are fed once after every pile turning; the pile turning times in one fermentation period is n, and the materials in the fermentation bin can be divided into n sections according to the feeding sequence; through the perforation aeration pipe that corresponds the setting in fermentation storehouse bottom, according to corresponding position temperature sensor monitoring data, blast air or induced air to this section material respectively, realize the technological purpose of ventilation aeration, foul smell collection and temperature control. The system is used for a dynamic bin type composting process, accurately controls the temperature and the aeration quantity of a pile body through a unique aeration mode matched with a mechanical pile turning device, can realize automatic collection of odor, and has the advantages of simple operation, high efficiency, low consumption and the like.
Description
Technical Field
The invention relates to an organic solid waste compost aeration system, in particular to a compost aeration system which is used for a dynamic bin type compost process, accurately controls the temperature and the aeration rate of a compost body through a unique aeration mode matched with a mechanical pile turning device, can realize independent odor collection, and has high efficiency and low consumption.
Background
Under the big background that the economy of China is rapidly increased and the living standard of people is continuously improved, the yield of solid waste is continuously increased, and the environmental problem caused by solid waste is increasingly prominent. Among these solid wastes, organic solid wastes are highly concerned by the public because of their characteristics such as various kinds, strong mobility, poor stability, wide range of influence, and large production amount. According to incomplete statistics: 4000 million tons of sludge of municipal sewage treatment plants, 6000 million tons of kitchen waste, 7 million tons of straws and 30 million tons of various livestock and poultry excrements are produced in China every year.
The organic solid waste has the dual attributes of harmfulness and resource: on one hand, the organic solid waste can not be treated well, so that environmental pollution is caused, carbon element in the organic solid waste is finally converted into greenhouse gas to be released into the atmosphere, the greenhouse effect is accelerated, and pathogens in the organic solid waste enter soil and underground water to bring hidden danger to environmental safety; n, P and other elements in the water body enter the water body to cause eutrophication; wherein the organic matter is decomposed to discharge a large amount of NH3、H2S, VOC, … …; on the other hand, the waste of organic solid wastes cannot be effectively utilized, which causes resource waste, wherein carbon element is the most important energy substance of the earth, N, P and the like are indispensable nutrient elements for plant growth, … ….
The compost is paid more attention to people due to the advantages of low cost, effective killing of pathogenic bacteria and deodorization, waste reduction and stabilization, and the like, skillfully realizes the resource property of organic solid wastes, effectively controls the harmfulness of the organic solid wastes, and becomes one of the current important treatment methods for harmlessness and recycling of the organic solid wastes.
Although composting techniques have been used for many years, there are still problems; even the dynamic bin type composting process with the highest working efficiency at present has the following problems: firstly, the fermentation period is long, and the occupied area is large; secondly, the aeration quantity is large, the deodorization quantity is large, and the power consumption is large; thirdly, the aeration and pile turning are not linked and are mutually influenced and restricted.
Disclosure of Invention
An aeration system for composting organic solid wastes is used for a dynamic bin type composting process, accurately controls the temperature and the aeration quantity of a pile body through a unique aeration mode matched with a mechanical pile turning device, can realize independent collection of odor, and achieves the effects of high efficiency and low consumption.
An organic solid waste compost aeration system structurally comprises a temperature sensor, a perforated aeration pipe, a blower, an induced draft fan, a valve, an odor collecting pipe and a connecting pipeline.
In the fermentation bin, the pile turning machine works according to a set frequency, materials move from the head of the fermentation bin to the tail of the fermentation bin under the pile turning action of the pile turning machine, and the materials are fed once after every pile turning; the pile turning times in one fermentation period is n, and the materials in the fermentation bin can be divided into n sections according to the feeding sequence; through the perforation aeration pipe that corresponds the setting in fermentation storehouse bottom, according to corresponding position temperature sensor monitoring data, blast air or induced air to this section material respectively, realize the technological purpose of ventilation aeration, foul smell collection and temperature control.
An organic solid waste compost aeration system which is characterized in that: dividing the materials in the fermentation bin into n sections according to the pile turning times of a fermentation period and the capacity of pile turning equipment, and correspondingly arranging aeration devices.
An organic solid waste compost aeration system which is characterized in that: every 1-10 sections of materials are correspondingly provided with a set of relatively independent aeration perforated pipes, temperature sensors and air blowers or induced draft fans.
An organic solid waste compost aeration system which is characterized in that: the air blowers and the induced draft fans are arranged alternately, and the air volume of each induced draft fan is 10-100% larger than that of the adjacent air blowers.
An organic solid waste compost aeration system which is characterized in that: when the air blower operates, the adjacent induced draft fans operate synchronously so as to realize timely and effective collection of odor.
An organic solid waste compost aeration system which is characterized in that: the air outlet of the draught fan is connected with the valve and the odor collecting pipe.
Compared with the prior art, the invention has the advantages that: the material aeration can be accurately controlled, so that the composting efficiency is improved, the composting period is shortened, and the occupied area is reduced; particularly, the air blowing and the induced air are combined, so that the aeration purpose and the odor collection purpose are realized, and the power consumption is reduced; the aeration system and the pile turning equipment are correspondingly connected, so that the restriction of mutual influence is eliminated, and the accurate aeration in the composting process is really realized.
Drawings
FIG. 1 is a system diagram of the present invention, wherein: temperature sensor, perforated aeration pipe, blower, induced draft fan, valve, odor collecting pipe.
FIG. 2 is a schematic diagram of a specific implementation method of the present invention, wherein: temperature sensor, perforated aeration pipe, induced draft fan, valve, odor collecting pipe.
Detailed Description
The construction and operation processes of the organic solid waste compost aeration system are further explained by combining the accompanying drawings as follows:
(1) stage of construction
Establishing a compost fermentation bin, and dividing the fermentation bin into 9 sections according to the pile turning times of a fermentation period and the capacity of pile turning equipment; respectively burying temperature sensors in the contact range of 9 sections of silo walls and arranging 9 temperature sensors in total; 9 perforated aeration pipes are respectively laid at the positions of the bin bottoms of the 9 sections, and 9 groups of perforated aeration pipes are arranged in total; each group of perforated aeration pipes are converged to one air blower or induced draft fan, and 4 air blowers and 5 induced draft fans are arranged in total; the air volume of the induced draft fan is 10-100% larger than that of the adjacent air blower; the air outlet of the draught fan is connected with the valve and the odor collecting pipe.
(2) Debugging phase
Feeding in batches until the bin is full, and manually intervening and controlling the start and stop of the air blower and the induced draft fan until the stable operation meets the design requirements.
(3) Implementing the operating phase
The temperature sensor monitors the temperature of the stack body, and gives out a start-stop command of the blower or the induced draft fan at the corresponding position according to the preset corresponding position temperature range; when the air blower is started after receiving an instruction of the temperature sensor, the induced draft fans at adjacent positions are started; when the induced draft fan is started after receiving the instruction of the temperature sensor, the blowers at the adjacent positions are not started.
The technical features are known to the skilled person except the technical features described in the specification.
Claims (6)
1. An aeration system for organic solid waste compost, the structure of which comprises: temperature sensor, perforation aeration pipe, air-blower, draught fan, valve, foul smell collecting pipe and connecting tube, its characterized in that: in the fermentation bin, the pile turning machine works according to a set frequency, materials move from the head of the fermentation bin to the tail of the fermentation bin under the pile turning action of the pile turning machine, and the materials are fed once after every pile turning; the pile turning times in one fermentation period is n, and the materials in the fermentation bin can be divided into n sections according to the feeding sequence; through the perforation aeration pipe that corresponds the setting in fermentation storehouse bottom, according to corresponding position temperature sensor monitoring data, blast air or induced air to this section material respectively, realize the technological purpose of ventilation aeration, foul smell collection and temperature control.
2. An organic solid waste compost aeration system as claimed in claim 1 wherein: dividing the materials in the fermentation bin into n sections according to the pile turning times of a fermentation period and the capacity of pile turning equipment, and correspondingly arranging aeration devices.
3. An organic solid waste compost aeration system as claimed in claim 1 wherein: every 1-10 sections of materials are correspondingly provided with a set of relatively independent aeration perforated pipes, temperature sensors and air blowers or induced draft fans.
4. An organic solid waste compost aeration system as claimed in claim 1 wherein: the air blowers and the induced draft fans are arranged alternately, and the air volume of each induced draft fan is 10-100% larger than that of the adjacent air blowers.
5. An organic solid waste compost aeration system as claimed in claim 1 wherein: when the air blower operates, the adjacent induced draft fans operate synchronously so as to realize timely and effective collection of odor.
6. An organic solid waste compost aeration system as claimed in claim 1 wherein: the air outlet of the draught fan is connected with the valve and the odor collecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020998454.3U CN213113148U (en) | 2020-05-27 | 2020-05-27 | Organic solid waste compost aeration system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020998454.3U CN213113148U (en) | 2020-05-27 | 2020-05-27 | Organic solid waste compost aeration system |
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| CN213113148U true CN213113148U (en) | 2021-05-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111559931A (en) * | 2020-05-27 | 2020-08-21 | 机科发展科技股份有限公司 | Organic solid waste compost aeration system |
| CN114920599A (en) * | 2022-05-19 | 2022-08-19 | 西北农林科技大学 | Method for reducing abundance of quinolone resistance genes, pcoA and ISCR1 in pig manure compost |
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2020
- 2020-05-27 CN CN202020998454.3U patent/CN213113148U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111559931A (en) * | 2020-05-27 | 2020-08-21 | 机科发展科技股份有限公司 | Organic solid waste compost aeration system |
| CN114920599A (en) * | 2022-05-19 | 2022-08-19 | 西北农林科技大学 | Method for reducing abundance of quinolone resistance genes, pcoA and ISCR1 in pig manure compost |
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