CN113896572A - Drainage and aeration system suitable for large perishable garbage machine fertilizer forming equipment - Google Patents

Drainage and aeration system suitable for large perishable garbage machine fertilizer forming equipment Download PDF

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Publication number
CN113896572A
CN113896572A CN202111051228.XA CN202111051228A CN113896572A CN 113896572 A CN113896572 A CN 113896572A CN 202111051228 A CN202111051228 A CN 202111051228A CN 113896572 A CN113896572 A CN 113896572A
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CN
China
Prior art keywords
drainage
aeration
layer
aeration system
protective layer
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Pending
Application number
CN202111051228.XA
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Chinese (zh)
Inventor
毕峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PowerChina Huadong Engineering Corp Ltd
Zhejiang Huadong Engineering Construction Management Co Ltd
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PowerChina Huadong Engineering Corp Ltd
Zhejiang Huadong Engineering Construction Management Co Ltd
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Application filed by PowerChina Huadong Engineering Corp Ltd, Zhejiang Huadong Engineering Construction Management Co Ltd filed Critical PowerChina Huadong Engineering Corp Ltd
Priority to CN202111051228.XA priority Critical patent/CN113896572A/en
Publication of CN113896572A publication Critical patent/CN113896572A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F9/00Fertilisers from household or town refuse
    • C05F9/02Apparatus for the manufacture
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)
  • Fertilizers (AREA)

Abstract

The invention discloses a drainage and aeration system suitable for large perishable garbage machine fertilizer forming equipment, which comprises a shell, wherein a steel wire mesh protective layer, a geotextile filter layer, a gravel layer formed by piling gravel, a steel wire mesh supporting layer, a permeable rock pile layer formed by piling stone blocks and a drainage blind pipe are sequentially arranged in the shell from top to bottom, a drainage groove is arranged outside the shell, the drainage blind pipe is communicated with the drainage groove, an aeration spray head is arranged below the steel wire mesh protective layer, and an aeration hole of the aeration spray head faces towards the steel wire mesh protective layer. This system combines the drainage blind pipe through the bottom permeable stratum that permeable heap stone layer, wire net supporting layer, metalling, geotechnological cloth filter layer and wire net protective layer are constituteed jointly, can discharge filtration liquid fast to realize high-efficient aeration through the aeration shower nozzle that prevents blockking up, finally realize the relative separation of the gas-liquid solid three-phase of compost in-process.

Description

Drainage and aeration system suitable for large perishable garbage machine fertilizer forming equipment
Technical Field
The invention relates to the technical field of garbage compost, in particular to a drainage and aeration system suitable for large-scale perishable garbage machine composting equipment.
Background
Along with the continuous improvement of the living standard of people, the production amount of household garbage is increased day by day, and the household garbage is used as a pollutant which has strong pollution, wide range and durability, and greatly threatens the direction of people to a good environment and a happy life.
In order to relieve the huge pressure caused by the contradiction of production places, the eastern economically developed areas such as Jianghe and Zhejiang Shanghai firstly explore a new road, realize the reduction of the source of the garbage by the distributed perishable garbage in-situ resource treatment, have better effect, and have been popularized and applied in a large scale at present. In the existing dispersed perishable garbage compost treatment technology, mechanical auxiliary biological intensified compost (machine composting for short) is taken as a main material, an aerobic fermentation process is accelerated by adding a microbial agent and mechanical stirring in cooperation with forced ventilation and oxygen supply, and the material can be fermented and decomposed within a period of 7-15 days. As a new immature technology, the bottom plate of the conventional equipment cabin body is formed by welding stainless steel plates for convenient mechanical stirring, and a drain hole at the bottom is easily blocked by pasty perishable garbage, so that the drainage is difficult, and the aeration and oxygen supply effects are further influenced. Except for the equipment mainly adopting 12-48 h electric heating drying technology (needing to be eliminated) in the existing machine fertilizer forming equipment, the water content of only a few equipment products can reach the standard, the maturity of the products is generally low, and the requirements of landscaping and farmland application are difficult to meet.
Therefore, a new process is needed to solve the problems of difficult water drainage and low aeration efficiency in the fertilizer forming process of the machine, so as to ensure that the treatment of perishable wastes does not become a restriction factor influencing the smooth propulsion of the waste classification work.
Disclosure of Invention
The invention aims to provide a drainage and aeration system suitable for large perishable garbage machine fertilizer forming equipment.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a drainage and aeration systems suitable for large-scale perishable rubbish machine becomes fertile equipment, includes the casing, from the top down is equipped with wire net protective layer, geotechnological cloth filter layer in proper order in the casing, piles up the metalling that forms, wire net supporting layer, piles up the permeable rock layer that forms, drainage blind pipe by the stone, and the casing is equipped with water drainage tank outward, drainage blind pipe and water drainage tank intercommunication, and wire net protective layer below is equipped with the aeration shower nozzle, and the aeration hole of aeration shower nozzle is towards the wire net protective layer.
Preferably, the particle size of the crushed stone is 5-20 mm, and the surface of the crushed stone layer is smooth.
Preferably, the bottom of the steel wire mesh supporting layer is provided with a reinforcing rib.
Preferably, the drainage blind pipe is positioned in the permeable rockfill layer.
Preferably, the bottom of the shell is provided with a diversion trench, the drainage blind pipe is positioned in the diversion trench, one end of the drainage blind pipe is closed, and the other end of the drainage blind pipe is communicated with the drainage trench.
Preferably, the drainage blind pipes are arranged in an equidistant mode, the side portion of the shell is provided with a plurality of holes matched with pipe orifices of the drainage blind pipes, the drainage blind pipes are communicated with the holes one by one, and each hole leads to a drainage groove outside the shell.
Preferably, the aeration nozzle comprises a base and a reducing pipe arranged on the base, one end of the reducing pipe is provided with a solid part, the aeration hole is formed in the solid part, the base is fixed on the steel wire mesh supporting layer, the end part of the reducing pipe where the aeration hole is located is flush with the steel wire mesh protective layer, and is connected with the high-pressure fan or the air compressor through the base.
Preferably, the reducer pipe cavity is bell-shaped, and is small at the top and big at the bottom.
Preferably, the reducer is made of an elastic material.
Preferably, the reducer is made of rubber material.
The invention has the beneficial effects that: this system is through permeating water heap stone layer, the wire net supporting layer, the metalling, the bottom permeable bed that geotechnological cloth filtering layer and wire net protective layer constitute jointly, combine the drainage blind pipe can discharge filtration liquid fast, and realize high-efficient aeration through the aeration shower nozzle that prevents blockking up, finally realize the relative separation of the gas-liquid solid three-phase of compost in-process, for present widely used trompil steel sheet as the bottom plate, its drainage effect is better, aeration efficiency is higher, can satisfy the fertile demand of large-scale perishable garbage machine one-tenth.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a partial enlarged view of a side view of the present invention.
Fig. 4 is a cross-sectional view of an aeration nozzle.
The labels in the figure are: casing 1, wire net protective layer 2, geotechnological cloth filter layer 3, rubble layer 4, wire net supporting layer 5, the rock-fill layer 6 that permeates water, drainage blind pipe 7, water drainage tank 8, aeration nozzle 9, aeration hole 91, base 92, reducing pipe 93, entity portion 931, lumen 932.
Detailed Description
The present invention will be further described with reference to the structures or terms used herein. The description is given for the sake of example only, to illustrate how the invention may be implemented, and does not constitute any limitation on the invention.
As shown in fig. 1-4, a drainage and aeration system suitable for large perishable garbage machine fertilizer equipment, including casing 1, from the top down is equipped with wire net protective layer 2 in proper order in casing 1, geotechnological cloth filter layer 3, pile up the metalling 4 that forms by the rubble, wire net supporting layer 5, pile stone layer 6, the drainage blind pipe 7 of permeating water that pile up by the stone, casing 1 is equipped with water drainage tank 8 outward, drainage blind pipe 7 and water drainage tank 8 intercommunication, wire net protective layer 2 below is equipped with aeration nozzle 9, aeration hole 91 of aeration nozzle 9 is towards wire net protective layer 2.
In the invention, the steel wire mesh protective layer 2 is used for stacking perishable garbage materials, the geotextile filter layer 3 is used for filtering filtrate generated by fermentation of perishable garbage materials, the gravel layer 4 is used for continuously filtering residues of the percolate, and the steel wire mesh supporting layer 5 and the permeable rock heap layer 6 are both used for supporting gravel above the steel wire mesh protective layer.
Constitute into fertile bottom permeable bed of equipment jointly by this drainage and aeration systems, perishable rubbish material pile is on wire net protective layer 2, the filtration liquid that produces loops through wire net protective layer 2 among the material fermentation process, geotechnological cloth filter layer 3, metalling layer 4, wire net supporting layer 5, the heap stone layer 6 that permeates water assembles to drainage blind pipe 7, discharge through water drainage tank 8 at last, and realize high-efficient aeration through aeration shower nozzle 9, realize the relative separation of the gas-liquid solid three-phase of compost in-process.
The shell 1 is the outer boundary of the machine fertilizing equipment and plays a role in supporting and limiting the internal structure. The shape of the housing 1 is not limited. As a specific example, the housing 1 is a rectangular parallelepiped.
As a specific example, the wire mesh sheath 2 is made of steel wires and is in a net shape and is positioned above the geotextile filter layer 3 to reduce the damage of the geotextile filter layer 3 in the fertilizer forming process of the machine.
As a specific example, the geotextile filter layer 3 is used for filtering perishable garbage materials, and geotextiles commonly used in the market can be used.
As a specific example, the particle size of the crushed stone is 5-20 mm, and the surface of the crushed stone layer 4 is smooth. The smooth-going geotechnological cloth that prevents to puncture damage its top of rubble layer surface.
As a specific example, the steel wire mesh supporting layer 5 is made of steel wires, is in a mesh shape, and is disposed between the gravel layer 4 and the water-permeable rockfill layer 6 to support the gravel layer. Reinforcing ribs can be additionally arranged at the bottom of the steel wire mesh supporting layer 5 to improve the rigidity.
As a specific example, the stones in the water-permeable rock-fill layer 6 are irregular in shape.
As a specific example, the drainage blind 7 is located in the water-permeable rock layer 6. Namely, the drainage blind pipe 7 is placed firstly, and then the block stone is placed, so that the drainage blind pipe 7 and the block stone are in the same space, and the occupied space of the shell is saved.
As a specific embodiment, the bottom of the shell 1 is provided with a diversion trench, the drainage blind pipe 7 is positioned in the diversion trench, one end of the drainage blind pipe 7 is closed, and the other end of the drainage blind pipe is communicated with the drainage trench 8. The surface of the drainage blind pipe 7 is provided with drainage holes, the interior of the drainage blind pipe has water-passing capacity, percolate flowing down from the permeable rock-fill layer 6 and percolate in the diversion trench are led into the drainage groove 8, and the drainage groove 8 leads the percolate from the drainage blind pipe 7 into a subsequent sewage treatment facility in a centralized way.
As a specific embodiment, a plurality of drainage blind pipes 7 are arranged at equal intervals, a plurality of holes matched with pipe orifices of the drainage blind pipes 7 are formed in the side part of the shell 1, the drainage blind pipes 7 are communicated with the holes one by one, and each hole leads to a drainage channel 8 outside the shell 1.
As a specific example, as shown in fig. 4, the aeration nozzle 9 includes a base 92 and a reducing pipe 93 installed on the base 92, one end of the reducing pipe 93 has a solid portion 931, the aeration hole 91 is opened on the solid portion 931, the base 92 is fixed on the steel wire mesh supporting layer 5, and the end of the aeration hole 91 is flush with the steel wire mesh sheath 2 and is connected to an external high pressure fan or air compressor through the base 92. Inside compressed air propped up aeration hole 91 through reducer 93 pressure boost and gets into the compost material, the aeration stopped the back, and aeration hole 91 shrink can avoid filtration liquid, impurity etc. to get into and block up aeration hole 91, and then influences aeration efficiency. The solid portion 931 is a portion of the reducer 93 where the aeration holes 91 are located and has a certain thickness. The number and the pore diameter of the aeration holes 91 are not required.
As a specific example, reducer lumen 932 is bell-shaped, with a smaller top and a larger bottom. The compressed air is convenient to enter.
The number and distribution of the aeration nozzles 9 are not limited. As a specific example, the aeration nozzles are distributed in an array to increase the aeration area of the compost material.
Reducer 93 is made of an elastic material so that reducer 93 has a contractive property. As a specific example, reducer 93 is made of a rubber material. The base 92 may be made of a flexible or rigid material.
Constitute the bottom permeable stratum of fertile equipment jointly by this drainage and aeration systems, perishable rubbish material pile is on wire net protective layer 2, the filtration liquid that produces loops through wire net protective layer 2 among the material fermentation process, geotechnological cloth filter layer 3, metalling 4, wire net supporting layer 5, the heap stone layer 6 that permeates water assembles to drainage blind pipe 7, discharge through water drainage tank 8 at last, and realize high-efficient aeration through the aeration shower nozzle 9 that prevents blockking up, finally realize the solid phase relative separation of gas-liquid among the composting process.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a drainage and aeration system suitable for large-scale perishable rubbish machine becomes fertile equipment which characterized in that: including the casing, from the top down is equipped with wire net protective layer, geotechnological cloth filtering layer in proper order in the casing, piles up the metalling, the wire net supporting layer that forms, piles up permeable heap stone layer, the drainage blind pipe that forms by the rubble, and the casing is equipped with water drainage tank outward, drainage blind pipe and water drainage tank intercommunication, and wire net protective layer below is equipped with the aeration shower nozzle, and the aeration hole of aeration shower nozzle is towards the wire net protective layer.
2. The water drainage and aeration system for large perishable waste machine composting apparatus of claim 1 wherein: the particle size of the crushed stone is 5-20 mm, and the surface of the crushed stone layer is smooth.
3. The water drainage and aeration system for large perishable waste machine composting apparatus of claim 1 wherein: and reinforcing ribs are arranged at the bottom of the steel wire mesh supporting layer.
4. The water drainage and aeration system for large perishable waste machine composting apparatus of claim 1 wherein: the drainage blind pipe is positioned in the permeable rockfill layer.
5. The water drainage and aeration system for large perishable waste machine composting apparatus of claim 1 wherein: the bottom of the shell is provided with a diversion trench, the drainage blind pipe is positioned in the diversion trench, one end of the drainage blind pipe is sealed, and the other end of the drainage blind pipe is communicated with the drainage trench.
6. The water drainage and aeration system for large perishable waste machine composting apparatus of claim 5 wherein: the drainage blind pipes are arranged at equal intervals, the side part of the shell is provided with a plurality of holes matched with the pipe orifices of the drainage blind pipes, the drainage blind pipes are communicated with the holes one by one, and each hole leads to a drainage channel outside the shell.
7. The water drainage and aeration system for large perishable waste machine composting apparatus of claim 1 wherein: the aeration nozzle comprises a base and a reducing pipe arranged on the base, wherein one end of the reducing pipe is provided with a solid part, an aeration hole is formed in the solid part, the base is fixed on the steel wire mesh supporting layer, the end part of the reducing pipe where the aeration hole is located is flush with the steel wire mesh protective layer, and the base is connected with a high-pressure fan or an air compressor.
8. The water drainage and aeration system for large perishable waste machine composting apparatus of claim 7 wherein: the reducing pipe cavity is bell-shaped, and is small at the top and big at the bottom.
9. The water drainage and aeration system for large perishable waste machine composting apparatus of claim 8 wherein: the reducer is made of elastic material.
10. The water drainage and aeration system for large perishable waste machine composting apparatus of claim 9 wherein: the reducing pipe is made of rubber materials.
CN202111051228.XA 2021-09-08 2021-09-08 Drainage and aeration system suitable for large perishable garbage machine fertilizer forming equipment Pending CN113896572A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111051228.XA CN113896572A (en) 2021-09-08 2021-09-08 Drainage and aeration system suitable for large perishable garbage machine fertilizer forming equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111051228.XA CN113896572A (en) 2021-09-08 2021-09-08 Drainage and aeration system suitable for large perishable garbage machine fertilizer forming equipment

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CN113896572A true CN113896572A (en) 2022-01-07

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1332043A (en) * 2000-07-11 2002-01-23 三洋电机株式会社 Sewage treatment device
CN101481180A (en) * 2008-01-09 2009-07-15 中国科学院沈阳应用生态研究所 Purification treatment method and apparatus for pig raising waste liquid
CN101723524A (en) * 2009-12-10 2010-06-09 山东省农业科学院土壤肥料研究所 Biogas slurry pretreatment method and device for foliar fertilizer and drip irrigation fertilizer
CN201797864U (en) * 2010-08-21 2011-04-20 张文永 Self-closing oxygenate aeration tube
CN207451887U (en) * 2017-11-09 2018-06-05 四川农业大学 A kind of ecology filter storehouse sewage-treatment plant
CN208395069U (en) * 2018-03-16 2019-01-18 中国农业大学 A kind of ventilating drainage system for compost
CN208928851U (en) * 2018-08-31 2019-06-04 葛洲坝中固科技股份有限公司 A kind of restoration of the ecosystem structure of petroleum hydrocarbon-heavy-metal composite pollution mud

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1332043A (en) * 2000-07-11 2002-01-23 三洋电机株式会社 Sewage treatment device
CN101481180A (en) * 2008-01-09 2009-07-15 中国科学院沈阳应用生态研究所 Purification treatment method and apparatus for pig raising waste liquid
CN101723524A (en) * 2009-12-10 2010-06-09 山东省农业科学院土壤肥料研究所 Biogas slurry pretreatment method and device for foliar fertilizer and drip irrigation fertilizer
CN201797864U (en) * 2010-08-21 2011-04-20 张文永 Self-closing oxygenate aeration tube
CN207451887U (en) * 2017-11-09 2018-06-05 四川农业大学 A kind of ecology filter storehouse sewage-treatment plant
CN208395069U (en) * 2018-03-16 2019-01-18 中国农业大学 A kind of ventilating drainage system for compost
CN208928851U (en) * 2018-08-31 2019-06-04 葛洲坝中固科技股份有限公司 A kind of restoration of the ecosystem structure of petroleum hydrocarbon-heavy-metal composite pollution mud

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Application publication date: 20220107