CN109769756B - Greenhouse earthworm breeding system - Google Patents
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- CN109769756B CN109769756B CN201910248464.7A CN201910248464A CN109769756B CN 109769756 B CN109769756 B CN 109769756B CN 201910248464 A CN201910248464 A CN 201910248464A CN 109769756 B CN109769756 B CN 109769756B
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- 238000009423 ventilation Methods 0.000 claims description 40
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Abstract
The invention relates to a greenhouse earthworm breeding system. The greenhouse earthworm breeding system comprises a breeding greenhouse, a breeding device and a cocoon culturing groove, wherein the breeding device and the cocoon culturing groove are arranged in the breeding greenhouse; the top wall of the cultivation shed is provided with a cambered surface with a lower north-south height, the cocoon cultivating groove is arranged on the inner side of the south wall of the cultivation shed, the outside of the cocoon cultivating groove is provided with the cultivation device, and the cultivation device is arranged along the length direction of the cultivation shed. The greenhouse earthworm breeding system has scientific and reasonable structural design, and improves the breeding efficiency.
Description
Technical Field
The invention relates to a greenhouse earthworm breeding system.
Background
The earthworm has special biological treatment function, and can effectively convert wastes which contain a large amount of organic matters and minerals and are accompanied with pathogenic bacteria, ova, heavy metals and other toxic substances into organic fertilizers. The earthworm is used for carrying out environment-friendly and pollution-free treatment on organic matters, cultivation wastes and crop straws which are produced in life, and becomes one of effective treatment ways. This requirement places more demands on the efficiency of earthworm breeding. The existing earthworm cultivation is generally to lay cultivation mats in a greenhouse, stack cultivation materials with a certain thickness in the cultivation mats, then scatter earthworms or earthworm eggs for waste utilization and treatment, and collect wormcast at the same time; the cultivation environment is difficult to fully meet the cultivation mode, and the cultivation mode is time-consuming and labor-consuming in the operation of collecting wormcast, the overall working efficiency is low, and the manpower consumption is high; in addition, the greenhouse is easy to drop to one side of the greenhouse along the roof due to the radian problem of the greenhouse wall due to internal heat evaporation, so that the ground on one side of the greenhouse is wet, and people are inconvenient to process due to the height limitation of the roof at the position, so that space is wasted, and a certain influence is caused on the cultivation environment in the greenhouse.
Disclosure of Invention
The invention provides a greenhouse earthworm breeding system for overcoming the defects in the prior art, and solves the problems in the prior art.
The invention is realized by the following technical scheme:
a greenhouse earthworm breeding system comprises a breeding greenhouse, a breeding device arranged in the breeding greenhouse and a cocoon culturing groove; the top wall of the culture shed is provided with a cambered surface with a lower north-south height, the cocoon culturing groove is arranged on the inner side of the south shed wall of the culture shed, the culture device is arranged outside the cocoon culturing groove, and the culture device is arranged along the length direction of the culture shed;
the cultivation device comprises a support frame, wherein at least two layers of cultivation belts with staggered end parts are arranged in the support frame, and the cultivation belts are used for paving cultivation materials; the cultivation belt circularly loads and unloads cultivation materials along the length direction of the support frame through a conveying device arranged on the support frame; a cleaning piece is supported on the supporting frame below each cultivation belt, and the top of the cleaning piece is propped against the bottom end surface of each cultivation belt; a feed hopper is arranged above the rear end of the supporting frame, at least one disperser is arranged in the feed hopper, and a material guiding cylinder is arranged at the bottom end of the feed hopper corresponding to the rear part of each cultivation belt; a material receiving box is arranged in the supporting frame corresponding to the front part of each cultivation belt; and a water sprinkling part is supported on the supporting frame above each cultivation belt.
The supporting frame is a steel frame.
The breeding belt can be felt breeding belt, geotextile breeding belt or polyurethane net breeding belt.
An air conditioner is further installed in the cultivation shed and is used for assisting in keeping the cultivation temperature in the cultivation shed constant.
The conveying device on the cultivation device is a chain conveying device, the chain conveying device comprises a main driving shaft and a secondary driving shaft, the front end and the rear end of each cultivation belt are oppositely arranged, chains are arranged on the main driving shaft and the secondary driving shaft corresponding to the driving wheel, the outer ends of the two sides of each cultivation belt are fixedly connected with the inner sides of the chains, a rotary drum for supporting the cultivation belt is sleeved on each of the main driving shaft and the secondary driving shaft, and each main driving shaft is driven to rotate by a first motor arranged on a supporting frame; a speed reducer is arranged between the first motor and the main driving shaft.
The conveying device on the cultivation device can also be a magnetic roller conveying device, the magnetic roller conveying device comprises magnetic rollers which are arranged on the supporting frame and correspond to each other front and back, one magnetic roller is driven to rotate by a motor, a magnetic conveying belt is sleeved on the magnetic rollers which are oppositely arranged front and back, and the cultivation belt is fixedly sleeved outside the magnetic conveying belt.
The number of the culture devices is at least 1, and the culture devices and the cocoon culturing grooves are arranged at intervals.
The number of the culture devices is two or more, and the adjacent culture devices are uniformly arranged at intervals along the east-west direction of the culture shed.
The cleaning piece is a cleaning brush, and the cleaning brush comprises a supporting plate, the two ends of which are respectively fixedly connected with the inner side wall of the shell, and brush hair, which is fixed on the top end surface of the supporting plate, and the brush hair is propped against the bottom end surface of the cultivation belt; the water sprinkling pieces are a plurality of water pipes arranged along the width direction of the cultivation belts, the water pipes above the cultivation belts are arranged at intervals along the length direction of the cultivation belts, the water pipes are supported by the supporting frame, and the water inlets of the water pipes are connected with a water tank or an external water source arranged in the cultivation shed; the disperser comprises at least two rod bodies which are horizontally arranged; the rod bodies are provided with inclined branch rods; both ends of each rod body are welded with the inner side wall of the feed hopper.
A spray head or a fine hole is arranged on the water pipe; a water pump is arranged on a pipeline of the water pipe connected with the water tank or an external water source.
A partition plate is arranged in the feed hopper, the partition plate divides the feed hopper into at least two chambers, and each guide cylinder is communicated with the chamber above the guide cylinder; the baffle encloses into hopper-shaped discharge channel jointly with the feeder hopper lateral wall, discharge channel links to each other with its below draws the feed cylinder top.
The cultivation shed comprises a shed body formed by surrounding a south wall, a north wall, an east wall and a west wall, wherein the top wall of the shed body is a cover film which is supported and covered by arc steel, a plurality of top ventilation openings are formed in the top of the cover film, and a plurality of front ventilation openings are formed in the south side of the cover film; a plurality of first ventilation windows are arranged on the south wall, a gate is arranged on the north wall, and a feed gate and a discharge gate are oppositely arranged on the east wall and the west wall; a heat-insulating cover is covered above the cover film by a curtain rolling machine.
The curtain rolling machine is connected with a fixed pile fixed on the bottom surface outside the shed body through a rocker arm and a supporting arm.
The number of the first ventilation windows is 3-5.
The ratio of the height of the south wall to the height of the north wall is 1:5.
The top ventilation opening, the cocoon culturing groove, the front ventilation opening and the first ventilation window are all arranged along the east-west direction length direction of the shed body; the top ventilation opening, the front ventilation opening and the first ventilation window are respectively and evenly arranged at intervals.
The top end of the arc steel is fixedly connected with the top end of the north wall, the bottom end of the arc steel is fixedly connected with the top end of the south wall, the top end of the inclined part is fixedly connected with the top end of the arc steel, and the bottom end of the inclined part is fixedly connected with the top end of the north wall; the inclined part is a frame body which is obliquely arranged, and a second ventilation window is arranged in the frame body. The number of the second ventilation windows is 3-5.
The south wall, the north wall, the east wall and the west wall are all built by nano microporous materials. The nano microporous material wall is built by NCC wall self-heat-insulating material.
The frame body is a steel frame, and the top end of the steel frame is welded with the top end of the arc-shaped steel.
The cover film is a transparent plastic cover film. The top vent and the front vent are both arranged on the cover film.
And the two ends of the arc steel are fixed with the top ends of the south wall and the north wall through cement mortar pouring.
The feeding door and the discharging door are rolling doors.
The invention has the beneficial effects that:
this big-arch shelter earthworm breeding system structural design scientific and reasonable through setting up breeding device in the big-arch shelter, avoids laying the trouble that earthworm breeds the mat, directly adopts breeding device to carry out the material loading, breed and unload, the collection and the separation of the wormcast of being convenient for. The reasonable height design of the south wall and the north wall of the greenhouse can fully utilize sunlight, and is warm in winter and cool in summer; the ventilation opening is arranged on the cover film, and the ventilation window is arranged on the shed body, so that the ventilation and heat exchange effects are good, and the heat dissipation is convenient; through setting up the cocoon groove of breeding in the canopy body, and will breeding the cocoon groove and set up in south wall one side, the water droplet that can make full use of in the big-arch shelter vapor condensation has reduced and has educed cocoon inslot moisture and supplement the number of times, has promoted cocoon breeding efficiency and breed efficiency. Through setting up the air conditioner in the big-arch shelter, can play the effect of supplementary invariable temperature, can be convenient reserve when temperature regulation is not in place in winter or summer big-arch shelter.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic perspective view of FIG. 1;
FIG. 3 is a schematic view of an embodiment of the cultivation device in FIG. 1;
FIG. 4 is a schematic side view of FIG. 3;
FIG. 5 is a schematic top view of FIG. 3;
FIG. 6 is a schematic view of another embodiment of the cultivation apparatus in FIG. 1.
In the figure, 1 cultivation shed, 1.1 south wall, 1.2 north wall, 2 cocoon raising groove, 3 cultivation device, 4 cultivation belt, 5 cleaning piece, 5.1 supporting plate, 5.2 brush hair, 6 feed hopper, 7 disperser, 7.1 rod body, 7.2 branch pole, 8 guide cylinder, 9 material receiving box, 10 watering piece, 11 supporting frame, 12 main driving shaft, 13 slave driving shaft, 14 chain, 15 rotary cylinder, 16 first motor, 17 speed reducer, 18 baffle, 19 arc steel, 20 cover film, 21 top ventilation opening, 22 front ventilation opening, 23 first ventilation opening, 24 gate, 25 feed gate, 26 discharge gate, 27 curtain rolling machine, 28 heat preservation cover quilt, 29 rocker arm, 30 supporting arm, 31 fixed pile, 32 inclined part, 33 second ventilation opening, 34 supporting table.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present invention will be described in detail below with reference to the following detailed description and the accompanying drawings.
Example 1
As shown in fig. 1-5, the greenhouse earthworm breeding system comprises a breeding greenhouse 1, a breeding device arranged in the breeding greenhouse and a cocoon culturing groove 2; the top wall of the culture shed is provided with a cambered surface with a lower north-south height, the cocoon culturing groove is arranged on the inner side of the south shed wall of the culture shed, the culture device 3 is arranged outside the cocoon culturing groove, and the culture device is arranged along the length direction of the culture shed;
the cultivation device comprises a support frame 34, wherein at least two layers of cultivation belts 4 with staggered end parts are arranged in the support frame, and the cultivation belts are used for laying cultivation materials; the cultivation belt circularly loads and unloads cultivation materials along the length direction of the support frame through a conveying device arranged on the support frame; a cleaning piece 5 is supported on the supporting frame below each cultivation belt, and the top of the cleaning piece is propped against the bottom end surface of each cultivation belt; a feed hopper 6 is arranged above the rear end of the supporting frame, at least one disperser 7 is arranged in the feed hopper, and a material guiding cylinder 8 is arranged at the bottom end of the feed hopper corresponding to the rear part of each cultivation belt; a material receiving box 9 is arranged in the supporting frame corresponding to the front part of each cultivation belt; a sprinkler 10 is supported on a support frame above each of the cultivation belts.
The supporting frame 3 is a steel frame.
An air conditioner is further installed in the cultivation shed 1 and is used for assisting in keeping the cultivation temperature in the cultivation shed 1 constant.
The conveying device on the cultivation device is a chain conveying device, the chain conveying device comprises a main driving shaft 12 and a secondary driving shaft 13, the front end and the rear end of each cultivation belt are oppositely arranged, a chain 14 is arranged on the main driving shaft and the secondary driving shaft corresponding to the driving wheel, the outer ends of the two sides of each cultivation belt are fixedly connected with the inner sides of the chain, a rotary drum 15 for supporting the cultivation belt is sleeved on each of the main driving shaft and the secondary driving shaft, and each main driving shaft is driven to rotate by a first motor 16 arranged on a supporting frame; a speed reducer 17 is provided between the first motor and the main drive shaft.
The number of the culture devices is at least 1, and the culture devices and the cocoon culturing grooves are arranged at intervals in the width direction of the culture shed.
The number of the culture devices is two or more, and the adjacent culture devices are uniformly arranged at intervals along the east-west direction of the culture shed.
The cleaning piece 5 is a cleaning brush which comprises a supporting plate 5.1 with two ends respectively fixedly connected with the inner side wall of the shell and brush hair 5.2 fixed on the top end surface of the supporting plate, and the brush hair is propped against the bottom end surface of the cultivation belt; the bristles can be hard bristles; the sprinkling pieces 10 are a plurality of water pipes arranged along the width direction of the cultivation belts, the water pipes above the cultivation belts are arranged at intervals along the length direction of the cultivation belts, the water pipes are supported by the supporting frames, and the water inlets of the water pipes are connected with a water tank or an external water source arranged in the cultivation shed; the disperser 7 comprises at least two rod bodies 7.1 which are horizontally arranged; the rod bodies are provided with branch rods 7.2 which are obliquely arranged; both ends of each rod body are welded with the inner side wall of the feed hopper.
A spray head or a fine hole is arranged on the water pipe; a water pump is arranged on a pipeline of the water pipe connected with the water tank or an external water source.
A partition plate 18 is arranged in the feed hopper 6, the partition plate divides the feed hopper into at least two chambers, and each guide cylinder 8 is communicated with the chamber above the guide cylinder; the baffle encloses into hopper-shaped discharge channel jointly with the feeder hopper lateral wall, discharge channel is linked together with each of guiding feed cylinder of its below.
The cultivation shed comprises a shed body surrounded by a south wall 1.1, a north wall 1.2, an east wall and a west wall, wherein the top wall of the shed body is a cover film 20 supported and covered by arc steel 19, a plurality of top ventilation openings 21 are formed in the top of the cover film, and a plurality of front ventilation openings 22 are formed in the south side of the cover film; a plurality of first ventilation windows 23 are arranged on the south wall, a gate 24 is arranged on the north wall, and a feed gate 25 and a discharge gate 26 are arranged on the east wall and the west wall; a heat-insulating cover 28 is covered above the cover film by a curtain rolling machine 27.
The curtain rolling machine is connected with a fixed pile 31 fixed on the bottom surface outside the greenhouse body through a rocker arm 29 and a supporting arm 30.
The number of the first ventilation windows is 3-5.
The ratio of the height of the south wall to the height of the north wall is 1:5.
The top ventilation opening, the cocoon culturing groove, the front ventilation opening and the first ventilation window are all arranged along the east-west direction length direction of the shed body; the top ventilation opening, the front ventilation opening and the first ventilation window are respectively and evenly arranged at intervals.
The top end of the arc steel 19 and the top end of the north wall are fixedly connected with an inclined part 32, the bottom end of the arc steel is fixedly connected with the top end of the south wall, the top end of the inclined part 32 is fixedly connected with the top end of the arc steel, and the bottom end of the inclined part is fixedly connected with the top end of the north wall; the inclined portion is a frame body which is arranged obliquely, and the second ventilation window 33 is installed in the frame body. The number of the second ventilation windows is 3-5.
The south wall, the north wall, the east wall and the west wall are all built by nano microporous materials. The nano microporous material wall is built by NCC wall self-heat-insulating material.
The frame body is a steel frame, and the top end of the steel frame is welded with the top end of the arc-shaped steel.
The cover film is a transparent plastic cover film. The top vent and the front vent are both arranged on the cover film.
And the two ends of the arc steel are fixed with the top ends of the south wall and the north wall through cement mortar pouring.
The feeding door and the discharging door are rolling doors.
When the cultivation system is used, the design of the whole cultivation system with low north and south is beneficial to the absorption of sunlight by the greenhouse body, the cultivation device in the cultivation greenhouse is used for earthworm cultivation, and the artificial laying of cultivation mats on the ground is not needed, so that the working efficiency is improved; in the cultivation, earthworms absorb and utilize the waste cultivation materials to produce wormcast; the cocoon culturing groove is used for culturing cocoons, and earthworms can be conveniently added into the culture materials. Because the cocoon culturing groove is arranged at the position in the culturing shed, condensed steam on the inner side wall of the cover film can smoothly slide down and enter the cocoon culturing groove, on one hand, water accumulation and moisture on the ground on one side in the shed body are avoided, on the other hand, the watering times of the cocoon culturing groove are reduced, the design is reasonable, and the culturing efficiency is improved. In winter, the heat-insulating cover can be continuously covered on the cover film by the curtain rolling machine, and in summer, the heat-insulating cover can be retracted, and the first ventilation window, the second ventilation window, the top ventilation opening 21 and the front ventilation opening 22 are opened, so that good ventilation is realized in the greenhouse body.
The specific use of the breeding device is as follows: the method comprises the steps of paving cultivation materials on each layer of cultivation belt, starting a first motor, respectively driving the cultivation belt on a conveying device controlled by the first motor to horizontally move, feeding the materials through a feeding hopper, after the materials enter the feeding hopper, enabling the materials to fall into each cavity under the buffering and dispersing effects of a disperser and continuously fall into a guiding cylinder, then paving the materials on the cultivation belt, and ensuring that the paving thickness of the cultivation materials reaches the standard through the design of the size of the guiding cylinder, wherein the cultivation materials are paved when the cultivation belt is gradually conveyed to the front end of a supporting frame through the front-stage adjustment of the conveying speed of the guiding cylinder. Spreading earthworm eggs or earthworms on the breeding materials of each breeding belt, gradually growing the earthworms in the breeding materials of the breeding belt, realizing the processing of the breeding materials while utilizing the breeding materials to grow, producing wormcast, and when the indoor temperature is lower in winter or the temperature is higher in summer, the temperature control structure on the greenhouse body is difficult to meet the breeding conditions faster, and the air conditioner in the breeding greenhouse can be started to raise or lower the temperature, so that the proper temperature in the breeding greenhouse is ensured, and the wormcast is discharged and collected after a certain breeding period is finished. Specifically, place the material receiving box in each conveyer belt front end below, continue to open first motor, each breed area continues to carry, earthworm and breed material fall down to the material receiving box gradually in, and the breed area is after unloading, because the brush of the brush hair of cleaning the piece sweeps the effect, and the remaining breed material on the breed area is scraped clean, because the cleaning piece is located near the breed area front end, the breed material that the brush was swept continues to fall into the material receiving box, waits that the breed material on the breed area is whole to be unloaded, stops first motor work. And screening the culture material collected by the material receiving box and the earthworms, and continuously using the earthworms, and separating the culture material from wormcast in the earthworm to obtain the wormcast with excellent quality.
Example 2
As shown in fig. 6, the cultivation system of embodiment 1 is different from the cultivation system of embodiment 1 in that the cultivation device structure is further improved, mainly in order to avoid that a certain collapse force may exist in the middle part of the main driving shaft and the cultivation belt outside the driving shaft after feeding due to gravity, a supporting table 34 is arranged between the main driving shaft and the cultivation belt between the driving shafts matched with the main driving shaft and between the upper layer and the lower layer of the cultivation belt along the length direction of the cultivation belt, the top surface of the supporting table is in clearance fit with the bottom surface of the upper layer of the cultivation belt, and the two length side edges of the supporting table are fixed on two opposite inner side walls of the shell through connecting rods; the top surface of the supporting table is flush with the top end of the rotary drum. The supporting table can be a solid plate, such as a solid steel plate, and friction force between the cultivation belt and the solid steel plate during feeding, discharging and conveying movement can be reduced as much as possible. The setting of this brace table makes the area of breeding guarantee good support in whole breed in-process.
The above embodiments are not to be taken as limiting the scope of the invention, and any alternatives or modifications to the embodiments of the invention will be apparent to those skilled in the art and fall within the scope of the invention.
The present invention is not described in detail in the present application, and is well known to those skilled in the art.
Claims (7)
1. The greenhouse earthworm breeding system is characterized by comprising a breeding greenhouse, a breeding device arranged in the breeding greenhouse and a cocoon culturing groove; the top wall of the culture shed is provided with a cambered surface with a lower north-south height, the cocoon culturing groove is arranged on the inner side of the south shed wall of the culture shed, the culture device is arranged outside the cocoon culturing groove, and the culture device is arranged along the length direction of the culture shed;
the cultivation device comprises a support frame, wherein at least two layers of cultivation belts with staggered end parts are arranged in the support frame, and the cultivation belts are used for paving cultivation materials; the cultivation belt circularly loads and unloads cultivation materials along the length direction of the support frame through a conveying device arranged on the support frame; a cleaning piece is supported on the supporting frame below each cultivation belt, and the top of the cleaning piece is propped against the bottom end surface of each cultivation belt; a feed hopper is arranged above the rear end of the supporting frame, at least one disperser is arranged in the feed hopper, and a material guiding cylinder is arranged at the bottom end of the feed hopper corresponding to the rear part of each cultivation belt; a material receiving box is arranged in the supporting frame corresponding to the front part of each cultivation belt; a water sprinkling part is supported on a supporting frame above each cultivation belt; an air conditioner is further arranged in the cultivation shed and is used for assisting in keeping the cultivation temperature in the cultivation shed constant;
the conveying device on the cultivation device is a chain conveying device, the chain conveying device comprises a main driving shaft and a secondary driving shaft, the front end and the rear end of each cultivation belt are oppositely arranged, chains are arranged on the main driving shaft and the secondary driving shaft corresponding to the main driving shaft, the outer ends of the two sides of each cultivation belt are fixedly connected with the inner sides of the chains, a rotary drum for supporting the cultivation belt is sleeved on each of the main driving shaft and the secondary driving shaft, and each main driving shaft is driven to rotate by a first motor arranged on a supporting frame; a speed reducer is arranged between the first motor and the main driving shaft;
and, a step of, in the first embodiment,
a supporting table arranged along the length direction of the cultivation belt is arranged between the main driving shaft and the upper layer and the lower layer of the cultivation belt between the main driving shaft and the auxiliary driving shaft matched with the main driving shaft, the top surface of the supporting table is in clearance fit with the bottom surface of the upper layer of the cultivation belt, and the two length side edges of the supporting table are fixed on the two opposite inner side walls of the shell through connecting rods; the top surface of the supporting table is flush with the top end of the rotary drum.
2. The greenhouse earthworm breeding system as in claim 1, wherein the number of the breeding devices is at least 1.
3. The greenhouse earthworm breeding system as in claim 1, wherein the cleaning member is a cleaning brush, the cleaning brush comprises a supporting plate with two ends fixedly connected with the inner side wall of the shell and bristles fixed on the top end surface of the supporting plate, and the bristles are propped against the bottom end surface of the breeding belt; the water sprinkling pieces are a plurality of water pipes arranged along the width direction of the cultivation belts, the water pipes above the cultivation belts are arranged at intervals along the length direction of the cultivation belts, the water pipes are supported by the supporting frame, and the water inlets of the water pipes are connected with a water tank or an external water source arranged in the cultivation shed; the disperser comprises at least two rod bodies which are horizontally arranged; the rod bodies are provided with inclined branch rods; both ends of each rod body are welded with the inner side wall of the feed hopper.
4. The greenhouse earthworm breeding system as in claim 1, wherein a partition plate is arranged in the feed hopper, the partition plate divides the feed hopper into at least two chambers, and each guide cylinder is communicated with the chamber above the guide cylinder; the baffle encloses into hopper-shaped discharge channel jointly with the feeder hopper lateral wall, discharge channel links to each other with its below draws the feed cylinder top.
5. The greenhouse earthworm breeding system as in claim 1, wherein the breeding greenhouse comprises a greenhouse body surrounded by a south wall, a north wall, an east wall and a west wall, the top wall of the greenhouse body is a cover film supported and covered by arc steel, a plurality of top ventilation openings are arranged at the top of the cover film, and a plurality of front ventilation openings are arranged at the south side of the cover film; a plurality of first ventilation windows are arranged on the south wall, a gate is arranged on the north wall, and a feed gate and a discharge gate are oppositely arranged on the east wall and the west wall; a heat-insulating cover is covered above the cover film by a curtain rolling machine.
6. The greenhouse earthworm cultivation system as in claim 5, wherein an inclined part is fixedly connected to the top end of the arc steel and the top end of the north wall, the bottom end of the arc steel is fixedly connected to the top end of the south wall, the top end of the inclined part is fixedly connected to the top end of the arc steel, and the bottom end of the inclined part is fixedly connected to the top end of the north wall; the inclined part is a frame body which is obliquely arranged, and a second ventilation window is arranged in the frame body.
7. The greenhouse earthworm cultivation system as in claim 5, wherein the south wall, north wall, east wall, west wall are all nano microporous material walls.
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| CN201910248464.7A CN109769756B (en) | 2019-03-29 | 2019-03-29 | Greenhouse earthworm breeding system |
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| CN109769756B true CN109769756B (en) | 2023-11-17 |
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