CN216713120U - Drainage system suitable for large perishable garbage machine fertilizer equipment - Google Patents

Abstract

The utility model discloses a drainage system suitable for large perishable garbage machine fertilizer equipment, which comprises a shell, wherein a steel wire mesh protective layer, a geotextile filter layer, a gravel layer formed by stacking gravel, a steel wire mesh supporting layer, a permeable rock pile layer formed by stacking stone blocks and a drainage blind pipe are sequentially arranged in the shell from top to bottom, a drainage groove is formed outside the shell, and the drainage blind pipe is communicated with the drainage groove. This system combines the drainage blind pipe to discharge filtration liquid fast through the bottom permeable stratum that permeates water heap stone layer, wire net supporting layer, metalling, geotechnological cloth filter bed and wire net protective layer and constitute jointly.

Description

Drainage system suitable for large perishable garbage machine fertilizer equipment

Technical Field

The utility model relates to the technical field of garbage compost, in particular to a drainage 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 recent years, the garbage classification and treatment work is increasingly emphasized by parties and national leaders, the related legislative work of garbage classification is also carried out orderly, and according to a plurality of opinions on the further promotion of the garbage classification work, which are jointly issued by 12 departments, such as 11-month department of housing and construction, central publicity department and the like in 2020, the national urban garbage recycling rate reaches more than 35% by the time of 2025 years. Under the drive of policies, the garbage classification work of various cities in China is actively carried out, however, due to the construction lag of terminal garbage disposal facilities, the recycled perishable garbage enters a garbage incineration plant or a landfill again, and the acquisition sense and the confidence of people on garbage classification are greatly frustrated.

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 strengthening compost (machine composting for short) is taken as a main material, a microbial agent is added, mechanical stirring is matched with forced ventilation and oxygen supply, the aerobic fermentation process is accelerated, and the material fermentation and decomposition can be realized within 7-15 d period. 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.

Disclosure of Invention

The utility model aims to provide a drainage system suitable for large perishable garbage machine fertilizer forming equipment, which can quickly discharge percolate through a bottom permeable layer consisting of a permeable rock pile layer, a steel wire mesh supporting layer, a gravel layer, a geotextile filter layer and a steel wire mesh protective layer in combination with a drainage blind pipe.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a drainage system suitable for fertile equipment of large-scale perishable rubbish machine, includes the casing, from the top down is equipped with wire net protective layer, geotechnological cloth filter bed in proper order in the casing, piles up the metalling that forms, wire net supporting layer, piles up the permeable heap stone layer that forms, drainage blind pipe by the stone block by the rubble, and the casing is equipped with water drainage tank outward, drainage blind pipe and water drainage tank intercommunication.

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 rock-fill 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, a plurality of drainage blind pipes are arranged at equal intervals, a plurality of holes matched with the pipe orifices of the drainage blind pipes are formed in the side portion of the shell, the drainage blind pipes are communicated with the holes one by one, and each hole leads to a drainage groove outside the shell.

The utility model has the beneficial effects that: this system combines the drainage blind pipe through the bottom permeable stratum that permeable heap stone layer, wire net supporting layer, metalling, geotechnological cloth filtering layer and wire net protective layer are constituteed jointly, can discharge filtration liquid fast, and for present widely used trompil steel sheet as the bottom plate, its drainage effect is better, can satisfy the fertile demand of large-scale perishable rubbish 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 structures referred to in the present invention or these terms of art used are further described below. The description is given for the sake of example only, to illustrate how the utility model may be implemented, and does not constitute any limitation on the utility model.

As shown in fig. 1-4, a drainage system suitable for large perishable garbage machine fertilizer equipment comprises a shell 1, wherein a steel wire mesh protective layer 2, a geotextile filter layer 3, a gravel layer 4 formed by piling up gravel, a steel wire mesh supporting layer 5, a permeable rockfill layer 6 formed by piling up rock blocks and a drainage blind pipe 7 are sequentially arranged in the shell 1 from top to bottom, a drainage groove 8 is arranged outside the shell 1, and the drainage blind pipe 7 is communicated with the drainage groove 8.

Meanwhile, the utility model also provides an aeration system, wherein an aeration nozzle 9 is arranged below the steel wire mesh protective layer 2, and aeration holes 91 of the aeration nozzle 9 face the steel wire mesh protective layer 2.

In the utility model, 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.

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 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 (6)

1. The utility model provides a drainage 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, wire net supporting layer that form, 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.

2. The drainage system of claim 1, wherein the drainage system is adapted for use in a large perishable waste machine composting apparatus, and wherein: the particle size of the broken stone is 5-20 mm, and the surface of the broken stone layer is smooth.

3. The drainage system of claim 1, wherein the drainage system is adapted for use in a large perishable waste machine composting apparatus, and wherein: and reinforcing ribs are arranged at the bottom of the steel wire mesh supporting layer.

4. The water drainage system suitable for the large-scale perishable garbage machine fertilizer equipment as recited in claim 1, wherein: the drainage blind pipe is positioned in the permeable rockfill layer.

5. The drainage system of claim 1, wherein the drainage system is adapted for use in a large perishable waste machine composting apparatus, and 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 drainage system of claim 5, wherein the drainage system is adapted for use in a large perishable waste machine composting apparatus, and 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.

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