CROP-LIVESTOCK CIRCULATION SYSTEM

A crop-livestock circulation system, including a planting greenhouse, a fish pond and a livestock greenhouse. A rear portion of the livestock greenhouse is provided with a drinking trough. A first side of the livestock greenhouse is provided with a scraper. A portion of a bottom plate close to a second side of the livestock greenhouse is provided with a collection port. A bottom of the collection port is provided with a manure collection trough connected to a fermentation treatment chamber. The fish pond is provided with a sewage discharge port connected to a sewage collection unit. The sewage collection unit is connected to the fermentation treatment chamber. The fermentation treatment chamber is connected to a conveying unit, which is connected to a spraying device. The spraying device is provided in the planting greenhouse.

TECHNICAL FIELD

This application relates to agricultural ecological technologies, and more particularly to a crop-livestock circulation system.

BACKGROUND

Crop-livestock circulation is an important approach to promoting the green agricultural development. Green crop-livestock circulation refers to the effective integration of crop production and livestock farming, in which the livestock manure is collected and applied as a fertilizer to the soil to maximize the resource utilization, so as to promote the crop-livestock integration and ecological circulation. China has now entered a new phase of low-carbon agriculture, and how to recycle and apply the livestock manure to the crop production is critical.

Traditionally, the crop farming and the livestock breeding are relatively independent, and it fails to achieve the resource circulation therebetween. Fertilization in crop fields primarily relies on chemical fertilizers, which will often lead to soil compaction and acidification, resulting in nutrient imbalances and a decline in the crop yield and quality. Moreover, the use of chemical fertilizers not only fails to achieve the energy conservation and emission reduction, but also poses risks to human health and environment. In addition, the manure waste produced from the livestock and poultry farming will also cause environmental pollution.

Therefore, there is an urgent need to provide a crop-livestock circulation system to address the above-mentioned problems.

SUMMARY

An object of the disclosure is to provide a crop-livestock circulation system to address the problem that traditional crop production and livestock farming systems are relatively independent, and it fails to achieve the resource circulation therebetween.

Technical solutions of the present disclosure are described as follows.

In some embodiments, an inner side of a top of the livestock greenhouse is provided with a lamp; and a side wall of the livestock greenhouse is provided with a ventilation fan.

In some embodiments, a front side of the scraper is fixedly provided with a plurality of nozzles arranged spaced apart; and the plurality of nozzles and the drinking trough are connected to a water source via a water pipe.

In some embodiments, the fermentation treatment chamber comprises an aerobic treatment unit and an anaerobic fermentation tank connected in sequence;

In some embodiments, a bottom of the anaerobic fermentation tank is provided with a heating device.

In some embodiments, the conveying unit comprises a transport pipe and a self-priming centrifugal jet pump mounted on the transport pipe;

In some embodiments, the spraying device comprises two slide rails and a transverse frame; the two slide rails are provided on two inner sides of the planting greenhouse, respectively; and the transverse frame is slidably provided between the two slide rails;

In some embodiments, the water spray pipe is communicated with a first end of a water filter pipe;

Compared to the prior art, the present disclosure has the following beneficial effects.

The crop-livestock circulation system provided herein processes sediment from the fish pond together with poultry manure from the livestock greenhouse through aerobic treatment and anaerobic fermentation to produce organic fertilizer. The resulting fertilizer is applied to crops grown in the planting greenhouse. This system not only achieves the resource utilization of fish and livestock waste, but also avoids significant impact on the soil pH, thereby maintaining the quality of harvested fruits and vegetables.

DETAILED DESCRIPTION OF EMBODIMENTS

The technical solutions in the embodiments of the present disclosure will be described clearly and completely below in conjunction with the accompanying drawings. It is obvious that the described embodiments are merely some embodiments of the present disclosure, instead of all embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those of ordinary skill in the art without making creative effort shall fall within the scope of the present disclosure defined by the appended claims.

Referring to FIG. 1, an embodiment of the present disclosure provides a crop-livestock circulation system, including a planting greenhouse 1, a fish pond 2, a fermentation treatment chamber, a sewage collection unit 9, a conveying unit, a spraying device 16 and a livestock greenhouse 3.

FIG. 2 is a structural diagram of the livestock greenhouse 3. A rear portion of the livestock greenhouse 3 is provided with a drinking trough 4. A right side of the livestock greenhouse 3 is provided with a scraper 5. A front side of the scraper 5 is fixedly provided with a plurality of first nozzles 8 arranged spaced apart. The plurality of first nozzles 8 and the drinking trough 4 are connected to a water source via a water pipe. The livestock greenhouse 3 includes a bottom plate. A portion of the bottom plate close to a left side of the livestock greenhouse 3 is provided with a collection port 6. The collection port 6 is generally covered by a removable baffle. The baffle is configured to open to expose the collection port 6 to collect manure. A rear side of the scraper 5 is provided with a motor. The motor is configured to drive the scraper 5 to move back and forth, thereby scraping waste and manure in the livestock greenhouse 3 toward the collection port 6. In addition, an inner side of a top of the livestock greenhouse 3 is provided with a lamp for illumination. A side wall of the livestock greenhouse 3 is provided with a ventilation fan for ventilation.

A bottom of the collection port 6 is provided with a manure collection trough 7. The manure collection trough 7 is connected to the fermentation treatment chamber. A sewage discharge port of the fish pond 2 is connected to the sewage collection unit 9. The sewage collection unit 9 is connected to the fermentation treatment chamber.

In this embodiment, the fermentation treatment chamber includes an aerobic treatment unit 10 and an anaerobic fermentation tank 11 connected in sequence. The aerobic treatment unit 10 is connected to the sewage collection unit 9 and the manure collection trough 7. The anaerobic fermentation tank 11 is connected to a fertilizer storage tank 12. A bottom of the anaerobic fermentation tank 11 is provided with a heating device.

The fertilizer storage tank 12 is connected to the conveying unit. In this embodiment, the conveying unit includes a transport pipe 13 and a self-priming centrifugal jet pump 14 mounted on the transport pipe 13. A first end of the transport pipe 13 is connected to the fertilizer storage tank 12, and a second end of the transport pipe 13 is connected to the spraying device 16. The transport pipe 13 is provided with a stop valve 15. The spraying device 16 is provided in the planting greenhouse 1.

In this embodiment, the spraying device includes two slide rails 17 and a transverse frame 18. The two slide rails 17 are arranged on two inner sides of the planting greenhouse 1, respectively. The transverse frame 18 is slidably provided between the two slide rails 17. The transverse frame 18 is provided with a water spray pipe 19. A plurality of second nozzles 20 are arranged evenly spaced apart on the water spray pipe 19.

The water spray pipe 19 is communicated with a first end of a water filter pipe. A second end of the water filter pipe has two branches, and the two branches are communicated with a water source and the transport pipe 13, respectively. A filter screen is provided inside the first end of the water filter pipe. The water filter pipe is connected to an underground pipe 21. The underground pipe 21 is located on the water filter pipe at a side of the filter screen away from the water spray pipe 19. An end of the underground pipe 21 away from the water filter pipe is transversely embedded in the planting greenhouse 1 for irrigating plants. FIG. 3 is a structural diagram of the planting greenhouse 1.

Regarding the crop-livestock circulation system provided herein, manure within the livestock greenhouse is forced by the scraper to move into the manure collection trough and subsequently transferred to the aerobic treatment unit. Meanwhile, the sediment from the fish pond is discharged into the aerobic treatment unit via the sewage collection unit. After the aerobic treatment, the materials are transferred to the anaerobic fermentation tank for anaerobic fermentation. After processed, the resultant fertilizer is stored in the fertilizer storage tank. When crops in the planting greenhouse require the nutrient irrigation, the self-priming centrifugal jet pump installed on the transport pipe is activated to convey the fertilizer from the fertilizer storage tank to the spraying device. The fertilizer is then sprayed downward into the planting greenhouse through the second nozzles, or delivered through the underground pipe to irrigate the crops.

Described above are merely preferred embodiments of the present disclosure, and are not intended to limit the scope of the present disclosure. Any equivalent structural changes made based on the description and the accompanying drawings of the present disclosure under the inventive concept of the present disclosure, or direct/indirect application in other related technical fields shall fall within the scope of the present disclosure defined by the appended claims.