阅读说明：本技术 一种半地下式城市绿化垃圾生物联合处理设备 (Semi-underground urban greening garbage biological combined treatment equipment ) 是由 张涛 秘洪雷 于璐 张清 张凯 田晓明 刘璐 翟彤彤 张楚涵 慈华聪 赵帅 于 2020-11-30 设计创作，主要内容包括：本发明提供了一种半地下式城市绿化垃圾生物联合处理设备,属于固体废物处理领域,包括好氧堆肥单元和蚯蚓堆肥单元,好氧堆肥单元与的蚯蚓堆肥单元上下相连通并集成为一体,好氧堆肥单元位于地表以上,蚯蚓堆肥单元的中下部位于地表以下；好氧堆肥单元包括上端的进料口盖板,蚯蚓堆肥单元包括上端的出料口盖板,进、出料口盖板为格栅结构,好氧堆肥过程中产生的热量加热空气并使气体通过进料口盖板上升,冷空气通过烟囱效应通过出料口盖板从底部补充,实现蚯蚓堆肥单元的通风,并为好氧堆肥单元提供氧气。本发明可以实现城市绿化垃圾资源化、无害化、减量化。(The invention provides semi-underground urban greening garbage biological combined treatment equipment, which belongs to the field of solid waste treatment and comprises an aerobic composting unit and an earthworm composting unit, wherein the aerobic composting unit and the earthworm composting unit are communicated up and down and integrated into a whole; the aerobic composting unit comprises a feeding port cover plate at the upper end, the earthworm composting unit comprises a discharging port cover plate at the upper end, the feeding port cover plate and the discharging port cover plate are of a grid structure, heat generated in the aerobic composting process heats air and enables the air to ascend through the feeding port cover plate, cold air is supplemented from the bottom through the discharging port cover plate through a chimney effect, ventilation of the earthworm composting unit is achieved, and oxygen is provided for the aerobic composting unit. The invention can realize the reclamation, harmlessness and reduction of urban greening garbage.)

1. The utility model provides a biological combined treatment equipment of semi-underground formula urban afforestation rubbish which characterized in that: the device comprises an aerobic composting unit and an earthworm composting unit, wherein the aerobic composting unit and the earthworm composting unit are vertically communicated and integrated into a whole, the aerobic composting unit is positioned above the ground surface, and the middle lower part of the earthworm composting unit is positioned below the ground surface;

the aerobic composting unit comprises a feed inlet cover plate at the upper end, and the feed inlet cover plate is of a grid structure;

the earthworm composting unit comprises a discharge port cover plate at the upper end, the discharge port cover plate and the aerobic composting unit are arranged in a staggered manner, the discharge port cover plate is of a grid structure, and one end of the upper end of the earthworm composting unit, which is far away from the discharge port cover plate, is communicated with the lower part of the aerobic composting unit;

the heat generated in the aerobic composting process heats air and enables the air to rise through the feed inlet cover plate, and the cold air is supplemented from the bottom through the discharge outlet cover plate through the chimney effect, so that the ventilation of the earthworm composting unit is realized, and oxygen is provided for the aerobic composting unit.

2. The semi-underground type urban greening garbage biological combined treatment equipment according to claim 1, characterized in that: the aerobic composting unit further comprises an aerobic composting unit main body and a heat insulation layer, the aerobic composting unit main body is of a box-type structure, the lower end of the aerobic composting unit main body is communicated with the earthworm composting unit, the feeding port cover plate is arranged at the upper end of the aerobic composting unit main body and used for opening the feeding of the materials, and the heat insulation layer is arranged on the outer side of the aerobic composting unit main body.

3. The semi-underground type urban greening garbage biological combined treatment equipment according to claim 2, characterized in that: the good oxygen compost unit main part include preceding baffle, good oxygen compost unit lateral wall and backplate, preceding baffle be "it" font, equally divide into three rectangle flat boards, wherein the flat board at both ends is vertical downwards, middle flat board slope sets up downwards and be 120 with the flat board contained angle at both ends, good oxygen compost unit lateral wall and backplate be the rectangle flat board.

4. The semi-underground type urban greening garbage biological combined treatment equipment according to claim 2, characterized in that: the aerobic composting unit main body also comprises an auxiliary discharge opening loose-leaf door, the auxiliary discharge opening loose-leaf door is arranged at the middle lower part of the back plate, and the height of the lower bottom edge of the auxiliary discharge opening loose-leaf door from the ground surface is 50-150 mm.

5. The semi-underground type urban greening garbage biological combined treatment equipment according to claim 3, wherein: the heat preservation layer is embossed aluminum foil heat preservation cotton, is coated outside the auxiliary discharge opening hinge door and is used for sealing a gap at the matching part of the discharge opening hinge door and the aerobic composting unit main body.

6. The semi-underground type urban greening garbage biological combined treatment equipment according to claim 1, characterized in that: the earthworm composting unit comprises an earthworm composting unit main body, the discharge port cover plate is arranged on the front side of the top opening of the earthworm composting unit main body, the rear side of the opening of the earthworm composting unit main body is communicated with the bottom opening of the aerobic composting unit main body, and the grid gap of the discharge port cover plate is 30-50 mm.

7. The semi-underground type urban greening garbage biological combined treatment equipment according to claim 6, wherein: the earthworm compost unit main part include bottom shield, earthworm compost unit lateral wall and the ramp of unloading, bottom shield, earthworm compost unit lateral wall and the ramp of unloading be the rectangle flat board, the ramp of unloading one side overlap joint on the backplate of good oxygen compost unit main part, the opposite side with earthworm compost unit lateral wall bottom parallel and level, the height and the earth's surface parallel and level of the ramp upper end of unloading.

8. The semi-underground type urban greening waste biological combined treatment equipment according to any one of claims 1 to 7, wherein: the aerobic composting units and the earthworm composting units are connected in parallel to form a plurality of groups, and when a plurality of groups of equipment are connected in parallel, two adjacent groups share the side wall of the aerobic composting unit and the side wall of the earthworm composting unit which are connected.

9. The semi-underground type urban greening garbage biological combined treatment equipment according to claim 8, wherein: the widths of the front baffle, the back plate, the bottom baffle and the discharging slope plate are consistent, and the side wall of the aerobic composting unit is consistent with the wall thickness of the side wall of the earthworm composting unit and is integrated up and down.

10. The semi-underground type urban greening garbage biological combined treatment equipment according to claim 8, wherein: the aerobic composting unit main body, the feeding port cover plate, the auxiliary discharging port loose-leaf door, the earthworm composting unit main body and the discharging port cover plate are all made of glass fiber reinforced plastics.

Technical Field

The invention belongs to the field of solid waste treatment, relates to urban greening garbage treatment equipment, and particularly relates to semi-underground urban greening garbage biological combined treatment equipment.

Background

Along with the continuous improvement of the urbanization level in China, the urban landscaping develops rapidly, a large amount of urban landscaping garbage such as arbor and shrub trimmings, dead branches and fallen leaves, residual flowers and the like is generated, the total amount increases year by year, the urban landscaping garbage becomes the second large urban solid waste after domestic garbage, by 2018, the green land area of the urban built-up area in China reaches 219.7 ten thousand hectares, the annual output of the urban landscaping garbage reaches 2405.7-4009.5 ten thousand tons by conservative calculation of 30-50kg daily output per hectare, and great pressure is brought to the urban environmental sanitation and garbage absorption system.

The traditional treatment mode of urban greening garbage is incineration and landfill, so that the atmospheric pollution and land resource occupation are caused, and open fire caused by incineration and methane generated by landfill can cause fire. The components of the greening garbage are mainly organic substances, and are rare organic resources. Under natural conditions, the organic substances are gradually decomposed to form humus, and further decomposed into inorganic nutrients to return to soil for plant growth; in cities, the soil is cleaned as garbage due to the requirement of keeping environmental sanitation, and the material circulation of a green land ecosystem is artificially cut off, so that the soil fertility cannot be maintained by self, and the soil is poor. Meanwhile, in order to ensure the healthy growth of garden plants, the greening pipe-keeping part door needs to spend a large amount of funds on purchasing fertilizers every year. Therefore, the greening garbage is piled into organic fertilizer and is reused for urban landscaping, the requirement of national development of circular economy is met, and the sustainable development of landscaping in China is facilitated.

At present, the resource utilization of urban greening garbage is mainly realized by adopting a mode of building a composting plant for centralized treatment, the transportation cost is high, the high treatment cost is caused, the compost product is difficult to profit if the selling price is too low, the market competitiveness is lacked if the selling price is too high, government support is needed in each link of production, supply and sale, otherwise, the process is difficult to continue.

Disclosure of Invention

The invention aims to provide semi-underground biological combined treatment equipment for urban greening garbage, which can treat greening garbage generated in a green land nearby and quickly convert the greening garbage into organic fertilizer, thereby achieving the purposes of recycling, harmlessness and reduction of the urban greening garbage.

In order to solve the technical problems, the invention adopts the technical scheme that: a semi-underground urban greening garbage biological combined treatment device comprises an aerobic composting unit and an earthworm composting unit, wherein the aerobic composting unit and the earthworm composting unit are communicated up and down and integrated into a whole;

the aerobic composting unit comprises a feed inlet cover plate at the upper end, and the feed inlet cover plate is of a grid structure;

the earthworm composting unit comprises a discharge port cover plate at the upper end, the discharge port cover plate and the aerobic composting unit are arranged in a staggered manner, the discharge port cover plate is of a grid structure, and one end of the upper end of the earthworm composting unit, which is far away from the discharge port cover plate, is communicated with the lower part of the aerobic composting unit;

the heat generated in the aerobic composting process heats air and enables the air to rise through the feed inlet cover plate, and the cold air is supplemented from the bottom through the discharge outlet cover plate through the chimney effect, so that the ventilation of the earthworm composting unit is realized, and oxygen is provided for the aerobic composting unit.

Furthermore, the aerobic composting unit further comprises an aerobic composting unit main body and a heat insulation layer, the aerobic composting unit main body is of a box structure, the lower end of the aerobic composting unit main body is communicated with the earthworm composting unit, the feeding port cover plate is arranged at the upper end of the aerobic composting unit main body and used for feeding materials after being opened, and the heat insulation layer is arranged on the outer side of the aerobic composting unit main body.

Further, good oxygen compost unit main part include preceding baffle, good oxygen compost unit lateral wall and backplate, preceding baffle be "it" font, equally divide into three rectangle flat boards, wherein the flat board at both ends is vertical downwards, middle flat board slope sets up downwards and be 120 with the flat board contained angle at both ends, good oxygen compost unit lateral wall and backplate be the rectangle flat board.

Furthermore, the aerobic composting unit main body also comprises an auxiliary discharge opening loose-leaf door, the auxiliary discharge opening loose-leaf door is arranged at the middle lower part of the back plate, and the height of the lower bottom edge of the auxiliary discharge opening loose-leaf door from the ground surface is 50-150 mm.

Furthermore, the heat-insulating layer is embossed aluminum foil heat-insulating cotton, is coated outside the auxiliary discharge opening flap door and is used for sealing a gap at the matching part of the discharge opening flap door and the aerobic composting unit main body.

Furthermore, the cover plate of the feeding port is a rectangular grating plate, and the gap between gratings is 30-50 mm.

Furthermore, the earthworm composting unit comprises an earthworm composting unit main body, the discharge port cover plate is arranged on the front side of the top opening of the earthworm composting unit main body, the rear side of the opening of the earthworm composting unit main body is communicated with the bottom opening of the aerobic composting unit main body, and the grid gap of the discharge port cover plate is 30-50 mm.

Further, earthworm compost unit main part include end baffle, earthworm compost unit lateral wall and the ramp of unloading, end baffle, earthworm compost unit lateral wall and the ramp of unloading be the rectangle flat board, the ramp of unloading one side overlap joint on the backplate of good oxygen compost unit main part, the opposite side with earthworm compost unit lateral wall bottom parallel and level, the height and the earth's surface parallel and level of the ramp upper end of unloading.

Furthermore, the aerobic composting units and the earthworm composting units are connected in parallel to form a plurality of groups, and when a plurality of groups of equipment are connected in parallel, two adjacent groups share the side wall of the aerobic composting unit and the side wall of the earthworm composting unit which are connected.

Furthermore, the width of the front baffle, the width of the back plate, the width of the bottom baffle and the width of the discharging slope plate are consistent, and the side wall of the aerobic composting unit is consistent with the wall thickness of the side wall of the earthworm composting unit and is integrated up and down.

Furthermore, the aerobic composting unit main body, the feeding port cover plate, the auxiliary discharging port loose-leaf door, the earthworm composting unit main body and the discharging port cover plate are all made of glass fiber reinforced plastics.

Compared with the prior art, the invention has the following advantages and positive effects.

1. The invention adopts a semi-overground and semi-underground design, the aerobic composting unit is arranged above the ground surface, and the earthworm composting unit is arranged below the ground surface, so that the total height of the equipment exposed out of the ground surface is reduced, and manual feeding is facilitated;

2. the invention adopts a modular design, has the characteristic of miniaturization, and can be arranged in a green space range according to actual requirements so as to reduce the green waste clearing cost to the maximum extent; the single module can treat green waste generated by about 1 hectare of urban green land, and a plurality of groups of modules can be combined in parallel according to needs, so that the treatment capacity is improved;

3. the invention can treat the easily decomposed components of fallen leaves, lawn trimmings, fallen flowers and fallen fruits which account for 60-80% of the total biomass of the greening garbage, and obtains the high-quality organic fertilizer with loose structure by utilizing the crushing action of the feeding activity of the earthworms, and the volume of the greening garbage after treatment can be reduced by more than 40%;

4. the invention utilizes the heat generated in the aerobic composting process of the green waste to heat the air to make the air rise, the cold air is supplemented from the bottom through the chimney effect to achieve the effect of providing oxygen through ventilation, no electric equipment such as a blower is needed, the structure is simple, the processing and the manufacturing are convenient, the service life cycle is long, and the service life can reach more than 15 years.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a side view of a semi-underground type municipal greening waste biological combined treatment facility according to the present invention;

FIG. 2 is a side sectional view of a semi-underground type municipal greening waste biological combined treatment device of the invention;

FIG. 3 is a rear view of a plurality of sets of the semi-underground type urban greening garbage biological combined treatment equipment used in parallel.

Description of the drawings:

1-aerobic composting unit main body; 2-earthworm composting unit main body; 3-feed inlet cover plate; 4-auxiliary discharge port loose-leaf door; 5-insulating layer; 6-cover plate of discharge port; 7-front baffle; 8-side wall of aerobic composting unit; 9-a back plate; 10-bottom baffles; 11-earthworm composting unit side wall; 12-a discharging slope plate.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, 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 by those of ordinary skill in the art through specific situations.

The following detailed description of specific embodiments of the invention refers to the accompanying drawings.

As shown in figures 1-3, the invention is a semi-underground urban greening garbage biological combined treatment device, which comprises an aerobic composting unit and an earthworm composting unit, wherein the aerobic composting unit and the earthworm composting unit are communicated and integrated up and down, the aerobic composting unit is positioned above the ground surface, the earthworm composting unit is positioned below the ground surface, in the application, the principles of the aerobic composting and the earthworm composting are well known, the aerobic composting needs to ensure the temperature, the part is positioned on the ground, therefore, a heat preservation layer is arranged, the occasion of the earthworm composting arrangement needs to ensure the ventilation, simultaneously, the sunshine is avoided, the moving range of the earthworms is ensured, in the application, the earthworm composting unit is positioned below the ground surface, the dark environment of the earthworm moving is ensured, meanwhile, in the structure of the application, a feed inlet cover plate 3 and a discharge outlet cover plate 6 both adopt the structures of grid plates to ensure the ventilation, meanwhile, the air is heated by utilizing the heat generated in the aerobic composting process of the green waste to rise, the cold air is supplemented from the bottom through the chimney effect, the effect of providing oxygen through ventilation is achieved, electric equipment such as an air blower is not needed, the structure is simple, the processing and the manufacturing are convenient, the service life cycle is long, and the service life can be more than 15 years.

The aerobic composting unit comprises an aerobic composting unit main body 1, a feed inlet cover plate 3, an auxiliary discharge port loose-leaf door 4 and a heat-insulating layer 5; the aerobic composting unit main body 1 is a cuboid, the length of the external dimension is 1500mm, the width is 1000mm, the height is 1500-1600mm, and the wall thickness is 10-15mm, so that the storage space and the strength are ensured.

The aerobic composting unit main body 1 comprises a front baffle 7, an aerobic composting unit side wall 8 and a back plate 9; the front baffle 7 is in a zigzag shape and is vertically arranged, the upper part and the lower part of the front baffle are equally divided into three rectangular flat plates, the width of each flat plate is 970-980mm, the length of each flat plate is 500-600mm, the flat plates at two ends are vertically downward, the included angle between the flat plate in the middle and the flat plates at two ends is 120 degrees, the front baffle is arranged to play a role in buffering materials, and the front baffle corresponds to the discharging slope 12 below, so that the materials are collected and collected, and compost is generated; the side wall 8 of the aerobic composting unit is a rectangular flat plate with the width of 1500mm and the height of 1400-1500 mm; the back plate 9 is a rectangular flat plate with the width of 970-980mm and the height of 1500-1600mm, and the rectangular flat plate structure is adopted, so that the blanking is convenient, and the manufacturing cost is saved.

Preferably, the feed inlet cover plate 3 is positioned at the top opening of the aerobic composting unit main body 1 and is a rectangular grid plate with the width of 1000mm and the length of 1500mm, and the grid gap is 30-50 mm; more preferably, the width of the auxiliary discharge opening loose-leaf door 4 is 500mm, the height thereof is 800mm, the auxiliary discharge opening loose-leaf door is located at the lower part of the backboard 9, the bottom edge is 100mm away from the ground surface, the operation is convenient, and the discharging is convenient and thorough; the heat-insulating layer 5 is 5-15mm thick and covers the aerobic composting unit main body 1 and the outer part of the auxiliary discharge opening flap door 4, so that the internal temperature is ensured, and an aerobic composting environment is provided.

The earthworm composting unit comprises an earthworm composting unit main body 2 and a discharge hole cover plate 6, wherein the earthworm composting unit main body 2 is a cuboid, and has the external dimension of 2000mm in length, 1000mm in width, 600mm in height and 10-15mm in wall thickness; the rear side of the top opening of the earthworm composting unit main body 2 is communicated with the bottom opening of the aerobic composting unit main body 1, so that the communication of materials is realized.

The earthworm composting unit main body 2 comprises a bottom baffle 10, an earthworm composting unit side wall 11 and a discharging slope plate 12; the bottom baffle 10 is a rectangular flat plate with the width of 970-980mm and the height of 600 mm; the side wall 11 of the earthworm composting unit is a rectangular flat plate with the width of 2000mm and the height of 600 mm; the discharging slope plate 12 is a rectangular flat plate with the width of 970-980mm and the length of 1000-1200mm, one side of the discharging slope plate is lapped on the back plate 9, the height of the discharging slope plate is parallel to the ground surface, the other side of the discharging slope plate is parallel to the bottom of the side wall 11 of the earthworm composting unit, the fertilizer falling from the upper part of the aerobic composting unit is conveniently introduced into the earthworm composting unit, and the guiding and concentrating effects are achieved.

The discharge port cover plate 6 is positioned on the front side of the top opening of the earthworm composting unit main body 2 and is a rectangular grid plate with the width of 1000mm and the length of 500mm, the grid gap is 30-50mm, and the treated fertilizer can be discharged after being opened.

The widths of the front baffle 7, the back plate 9, the bottom baffle 10 and the discharging slope plate 12 are consistent; the side wall 8 of the aerobic composting unit and the side wall 11 of the earthworm composting unit have the same wall thickness, can be integrated into a whole, have high strength, are convenient to prepare by blanking, and save the preparation process; when multiple sets of equipment are connected in parallel, two adjacent sets of equipment share the side wall at the joint, so that the structure is simplified, and the cost is reduced.

The material of the aerobic composting unit main body 1, the material inlet cover plate 3, the auxiliary material discharge opening hinge door 4, the earthworm composting unit main body 2 and the material discharge opening cover plate 6 is glass fiber reinforced plastic, the chemical stability is high, and the internal treatment degree is favorably observed, the material of the heat preservation layer 5 is embossed aluminum foil heat preservation cotton, which is a commercially available product, the material is convenient to obtain, the heat preservation performance is high, the heat preservation layer can be reused, the reusability is high, the daily maintenance cost is reduced, the stainless steel sheet metal can also be adopted for welding, the outer surface of the aerobic composting unit main body 1 is provided with an antirust paint layer, the service life of the aerobic composting unit main body is prolonged, and different colors can be set according to different setting environments to; it can also be made of concrete.

The aerobic composting unit is suitable for treating fallen leaves, lawn trimmings, fallen flowers, fallen fruits and the like, and greening garbage with higher cellulose content such as ornamental grass and the like is suitable for being manually cut into small sections of 3-5cm, so that the contact area is increased, and the treatment speed and efficiency are improved; the aerobic composting unit is not suitable for directly treating branch greening garbage, if the branch greening garbage needs to be treated, the branch greening garbage is crushed into 1cm in particle size, and the composting efficiency is ensured.

Example (b): the experiment is that 3 sets of semi-underground urban greening garbage biological combined treatment equipment are deployed in the Tianjin Taida plant resource base in the last 9 th month of 2019, an aerobic composting unit main body 1 is a cuboid, the length of the external dimension is 1500mm, the width is 1000mm, the height is 1500mm, and the wall thickness is 10 mm; the front baffle 7 is in a zigzag shape and is divided into three rectangular flat plates, the width of each flat plate is 980mm, the length of each flat plate is 500mm, the flat plates at two ends are vertically downward, and the included angle between the middle flat plate and the flat plates at two ends is 120 degrees; the side wall 8 of the aerobic composting unit is a rectangular flat plate with the width of 1500mm and the height of 1400 mm; the back plate 9 is a rectangular flat plate with the width of 980mm and the height of 1500 mm.

The feed inlet cover plate 3 is positioned at the opening at the top end of the aerobic composting unit main body 1 and is a rectangular grid plate with the width of 1000mm and the length of 1500mm, and the grid gap is 50 mm; the width of the auxiliary discharge opening loose-leaf door 4 is 300mm, the height thereof is 600mm, the auxiliary discharge opening loose-leaf door is positioned at the lower part of the back plate 9, and the height of the bottom edge thereof from the ground surface is 100 mm; the heat preservation layer 5 is 10mm thick, and the cladding is in the required temperature of good oxygen compost in the supplementary discharge opening loose-leaf door 4 outside of good oxygen compost unit main part 1 and, and the cladding is paid attention to the leakproofness of guaranteeing between supplementary discharge opening loose-leaf door 4 and good oxygen compost unit main part 1 simultaneously, and then guarantees leakproofness and temperature.

The earthworm composting unit main body 2 is a cuboid, the external dimension length is 2000mm, the width is 1000mm, the height is 600mm, and the wall thickness is 10 mm; the bottom baffle 10 is a rectangular flat plate with the width of 980mm and the height of 600 mm; the side wall 11 of the earthworm composting unit is a rectangular flat plate with the width of 2000mm and the height of 600 mm; the discharging slope plate 12 is a rectangular flat plate with the width of 980mm and the length of 1200mm, one side of the discharging slope plate is lapped on the back plate 9, the height of the discharging slope plate is parallel and level to the ground surface, the other side of the discharging slope plate is parallel and level to the bottom of the side wall 11 of the earthworm composting unit, the structure is simple, and the manufacturing cost is low.

The discharge port cover plate 6 is positioned on the front side of the top opening of the earthworm composting unit main body 2 and is a rectangular grid plate with the width of 1000mm and the length of 500mm, and the grid gap is 30 mm.

As shown in fig. 3, the aerobic composting unit side wall 8 is integrated with the earthworm composting unit side wall 11; the 3 groups of equipment are arranged in parallel, and the two adjacent groups of equipment share the side wall 8 of the aerobic composting unit and the side wall 11 of the earthworm composting unit at the joint; the aerobic composting unit main body 1, the feed inlet cover plate 3, the auxiliary discharge opening flap door 4, the earthworm composting unit main body 2 and the discharge opening cover plate 6 are all made of glass fiber reinforced plastics, and the heat-insulating layer 5 is made of embossed aluminum foil heat-insulating cotton; the aerobic composting unit is used for treating fallen leaves, lawn trimmings, fallen flowers, fallen fruits and the like, and greening garbage with high cellulose content such as ornamental grass and the like is manually cut into small sections of 5cm without directly treating branch and trunk greening garbage.

Firstly, assembling an aerobic composting unit main body 1 and an earthworm composting unit main body 2; digging a foundation pit in a test area, wherein the width of the foundation pit is 1000mm, the depth of the front part is 500mm, the depth of the rear part is 500mm, grooves with the width of 100mm are arranged at two sides of the rear part, a slope is reserved in the middle, the gradient and the slope direction are the same as those of the discharging slope plate 12, the earthworm composting unit main body 2 is sunk into the foundation pit, the top part of the earthworm composting unit main body is 100mm higher than the original ground surface, and the gap between the discharging slope plate 12 and the soil slope at the bottom of the earthworm composting; erecting an aerobic composting unit main body 1 on an earthworm composting unit main body 2, and connecting an aerobic composting unit side wall 8 and an earthworm composting unit side wall 11 into a whole; discharge opening flap door 4 is assisted in the installation to with the cladding of heat preservation 5 outside good oxygen compost unit main part 1 and supplementary discharge opening flap door 4, cover feed inlet apron 3 and discharge gate apron 6 at last, accomplished the installation work of a whole set of system promptly, the simple structure of this application, it is effectual.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.