CN211482488U

CN211482488U - Saline and alkaline land rice shrimp circulation ecological farming systems

Info

Publication number: CN211482488U
Application number: CN201921654372.0U
Authority: CN
Inventors: 孙成波; 何子豪; 陈燮燕; 章双; 史黎黎; 陈国良; 周腾; 庞欢瑛; 赵吉臣
Original assignee: Guangdong Haimao Investment Co ltd; Zhanjiang Haimaoshui Biological Technology Co ltd; Guangdong Ocean University
Current assignee: Guangdong Haimao Investment Co ltd; Zhanjiang Haimaoshui Biological Technology Co ltd; Guangdong Ocean University
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-09-15
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a saline and alkaline land rice shrimp ecological farming systems that circulates includes shrimp plastic film aquaculture pond, hold the freshwater pool, circulation ditch and paddy field, the circulation ditch sets up all around along the paddy field, the drain in shrimp plastic film aquaculture pond passes through sewage pipes and paddy field circulation ditch intercommunication, be equipped with return water pipe between paddy field and the shrimp plastic film aquaculture pond, still be provided with filter tank in paddy field or circulation ditch, return water pipe's import department sets up in filter tank, it is equipped with moisturizing pipeline between freshwater pool and the plastic film aquaculture pond to hold, respectively be connected with the water pump on return water pipe and the moisturizing pipeline. The utility model discloses can plant sea rice, can the mariculture shrimp again, whole breed with plant whole journey and do not use medicine, breed incomplete bait and the excrement and urine of the production of shrimp and can regard as the fertilizer of sea rice, fully improve the utilization ratio in saline and alkaline land, improve the output benefit in saline and alkaline land greatly, enlarge the breed scale of internal shrimp.

Description

Saline and alkaline land rice shrimp circulation ecological farming systems

Technical Field

The utility model belongs to the technical field of the saline and alkaline land breed technique and specifically relates to a saline and alkaline land rice shrimp circulation ecological farming systems.

Background

The prawn breeding industry is a prop industry of the aquaculture industry in China; although the aquaculture industry in China reaches the international leading level in scale and yield, the sustainable development of the industry still faces serious challenges. With the development of the breeding industry, the water environment and resource problems are increasingly severe.

There are 9.5 million hectares of saline and alkaline land worldwide, 3.2 million hectares of Asia, and 1 million hectares (15 million acres) of saline and alkaline land in China, of which 2.8 million acres can be developed and utilized. The saline-alkali soil which can be used for planting seawater rice in China has more than 2 hundred million mu, and the grain can be increased by hundreds of billions kilograms according to the future yield of 200-300 kg per mu, and the number of people can be increased by about 2 hundred million.

Disclosure of Invention

An object of the utility model is to provide a saline and alkaline land rice shrimp circulation ecological farming systems can sea rice plant, can the mariculture shrimp again, synthesizes the output benefit that improves the saline and alkaline land.

In order to achieve the above object, the utility model provides a technical scheme: the utility model provides a saline and alkaline land rice shrimp circulation ecological farming systems which characterized in that: the prawn mulching film cultivation pond comprises a prawn mulching film cultivation pond body, a freshwater storage pond, a circulating ditch and a rice field, wherein the circulating ditch is arranged along the periphery of the rice field, the outer side ditch edge of the circulating ditch is higher than the ground of the rice field, a sewage discharge outlet of the prawn mulching film cultivation pond body is communicated with the circulating ditch through a sewage discharge pipeline, a sewage discharge valve is arranged on the sewage discharge pipeline, the rice field is communicated with the prawn mulching film cultivation pond body through a water return pipeline, a filter water tank is further arranged in the rice field or the circulating ditch, an inlet of the water return pipeline is arranged in the filter water tank, an outlet of the water return pipeline is arranged above the prawn mulching film cultivation pond body, and a; the light storage pond and the mulching film culture pond are communicated through a water replenishing pipeline, and a second water pump is installed on the water replenishing pipeline.

Further, the light storage pool, the mulching film culture pond, the circulating ditch and the rice field are arranged according to the projection area of 0.5:1:0.1: 1.

Furthermore, the depth of the prawn mulching film culture pond is 2.5 m, the bottom of the pond is shaped like a pot bottom, the gradient is 0.4%, and a sewage discharge outlet of the prawn mulching film culture pond is arranged in the center of the bottom of the pond. The water depth of the fresh water storage pool is 3.0 m. The depth of the circulating groove is 0.5 m, the width is 0.5 m,

furthermore, the filtering water tank is composed of a frame and a filtering net wrapped on the frame.

Furthermore, a movable isolation plate is arranged in the circulating ditch and between the sewage discharge pipeline and the water return pipeline.

Furthermore, the saline-alkali soil rice and shrimp circulating ecological breeding system further comprises a programmable controller, an upper liquid level sensor and a lower liquid level sensor, the blow-down valve is an electromagnetic valve, the upper liquid level sensor and the lower liquid level sensor are respectively and electrically connected with an input port of the programmable controller, and the blow-down valve, the first water pump and the second water pump are respectively connected with an output port of the programmable controller.

The utility model has the advantages that: the circulating ecological breeding system is simple to build, and the breeding method is simple and convenient to operate. The method has the advantages that the method can be used for planting the sea rice and breeding the prawns in seawater, the whole breeding and planting process is free of medicine, residual baits and excrement generated by breeding the prawns can be used as fertilizers of the sea rice, and the utilization rate of the saline-alkali soil can be fully improved; can greatly improve the yield benefit of the saline-alkali soil and can enlarge the domestic prawn culture scale.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic connection diagram of the input/output port of the central programmable controller according to the present invention.

Detailed Description

As shown in figure 1, the circular ecological breeding system for the saline-alkali soil rice and the shrimps comprises a prawn mulching film breeding pond 1, a light storage pond 2, a circular ditch 3 and a rice field 4, wherein the circular ditch 3 is arranged around the rice field 4, and the outer side ditch edge of the circular ditch 3 is higher than the ground of the rice field. The drain 5 of the prawn plastic film culture pond 1 is communicated with the circulating ditch 3 through a drain pipe 6, a drain valve 61 is installed on the drain pipe 6, and the rice field 4 and the prawn plastic film culture pond 1 are also communicated through a water return pipe 7. A filtering water tank 8 is also arranged in the rice field 4 or the circulating ditch 3; the inlet of the water return pipeline 7 is arranged at the bottom in the filtering water tank, the outlet of the water return pipeline 7 is arranged above the prawn mulching film culture pond 1, and the water return pipeline 7 is provided with a first water pump 11; the light storage pond 2 is communicated with the mulching film culture pond 1 through a water supplementing pipeline 10, and a second water pump 12 is installed on the water supplementing pipeline 10.

Preferably, the light storage pool 2, the mulching film culture pond 1, the circulating ditch 3 and the rice field 4 are arranged according to the projection area of 0.5:1:0.1: 1. Specifically, the prawn mulching film culture pond is 1 pond deep 2.5 m, the bottom of the pond is shaped like a pot bottom, the gradient is 0.4%, and a sewage outlet 5 of the prawn mulching film culture pond is arranged in the center of the bottom of the pond. The water depth of the impoundment 2 is 3.0 m. The depth of the circulating groove 3 is 0.5 m, the width is 0.5 m,

further, the filtering water tank 8 is composed of a frame and a filtering net wrapped on the frame. Specifically, the length, width and height of the filtering water tank 8 are all 1 m.

Furthermore, a movable isolation plate 9 is arranged in the circulating ditch and between the sewage discharge pipeline and the water return pipeline. Can intercept the sewage from surging towards the direction of the filtering water tank, and avoid the sludge which just enters the circulating ditch from accumulating at the filtering water tank 8.

Further, in order to realize automatic control and reduce the labor intensity of workers, the saline-alkali soil rice and shrimp circulating ecological breeding system further comprises a programmable controller 13, an upper liquid level sensor 14 and a lower liquid level sensor 15, the blow-off valve 61 is an electromagnetic valve, the upper liquid level sensor 14 and the lower liquid level sensor 15 are respectively and electrically connected with an input port of the programmable controller 13, and the blow-off valve 61, the first water pump 11 and the second water pump 12 are respectively connected with an output port of the programmable controller 13.

The upper liquid level sensor 14 and the lower liquid level sensor 15 are arranged in the rice field through a bracket and are respectively used for monitoring signals of water depth of 20cm and water depth of 5cm in the rice field. The programmable controller controls the actions of the drain valve 61, the first water pump 11 and the second water pump 12 by acquiring liquid level signals monitored by the upper liquid level sensor 14 and the lower liquid level sensor 15, so as to realize automatic control in the process of the breeding method.

Adopt the utility model discloses the process of carrying out kind breeding is: (1) planting sea rice in rice field, and culturing prawn with mulching filmPutting the litopenaeus vannamei and the penaeus monodon into the pond, wherein the seedling density of the litopenaeus vannamei is 75 ten thousand per hm²The seedling density of the penaeus monodon is 50 ten thousand tails per hm²(ii) a (2) In the process of breeding, the salinity of the culture water of the prawn mulching film culture pond is monitored, and the salinity of the culture water in the prawn mulching film culture pond is regulated and controlled by pumping fresh water from a fresh water storage pond through a second water pump, so that the salinity of the culture water is kept within 5; (3) when the prawn mulching film culture pond needs sewage discharge, a sewage discharge valve is opened, sewage enters a circulating ditch from a sewage discharge pipeline and spreads into a rice field, when the water depth of the rice field reaches 20cm, the sewage discharge valve is closed, and after 12 hours, a first water pump is started to suck water in the rice field back into the prawn mulching film culture pond; when the water depth of the rice field is 5cm, stopping the first water pump, then opening the drain valve, and when the water depth in the rice field reaches 20cm, closing the drain valve to finish the processes of once draining and refluxing; (4) and (5) repeating the steps (2) and (3) until harvesting.

The above description is only for the purpose of illustrating the technical solutions of the present invention, and the simple modification or equivalent replacement of the technical solutions of the present invention by those of ordinary skill in the art does not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a saline and alkaline land rice shrimp circulation ecological farming systems which characterized in that: the prawn mulching film cultivation pond comprises a prawn mulching film cultivation pond body, a freshwater storage pond, a circulating ditch and a rice field, wherein the circulating ditch is arranged along the periphery of the rice field, the outer side ditch edge of the circulating ditch is higher than the ground of the rice field, a sewage discharge outlet of the prawn mulching film cultivation pond body is communicated with the circulating ditch through a sewage discharge pipeline, a sewage discharge valve is arranged on the sewage discharge pipeline, the rice field is communicated with the prawn mulching film cultivation pond body through a water return pipeline, a filter water tank is further arranged in the rice field or the circulating ditch, an inlet of the water return pipeline is arranged in the filter water tank, an outlet of the water return pipeline is arranged above the prawn mulching film cultivation pond body, and a; the light storage pond and the mulching film culture pond are communicated through a water replenishing pipeline, and a second water pump is installed on the water replenishing pipeline.

2. The circular ecological breeding system for the saline-alkali soil rice shrimps as claimed in claim 1, characterized in that: the light storage pool, the mulching film culture pond, the circulating ditch and the rice field are arranged according to the projection area of 0.5:1:0.1: 1.

3. The circular ecological breeding system for the saline-alkali soil rice shrimps as claimed in claim 1, characterized in that: the depth of the prawn mulching film culture pond is 2.5 m, the bottom of the pond is shaped like a pot bottom, the gradient is 0.4%, and a sewage outlet of the prawn mulching film culture pond is arranged in the center of the bottom of the pond.

4. The circular ecological breeding system for the saline-alkali soil rice shrimps as claimed in claim 1, characterized in that: the water depth of the fresh water storage pool is 3.0 m.

5. The circular ecological breeding system for the saline-alkali soil rice shrimps as claimed in claim 1, characterized in that: the depth of the circulating groove is 0.5 m, and the width of the circulating groove is 0.5 m.

6. The circular ecological breeding system for the saline-alkali soil rice shrimps as claimed in claim 1, characterized in that: the filtering water tank consists of a frame and a filtering net wrapped on the frame.

7. The circular ecological breeding system for the saline-alkali soil rice shrimps as claimed in claim 1, characterized in that: a movable isolation plate is arranged in the circulating ditch and between the sewage discharge pipeline and the water return pipeline.

8. The circular ecological breeding system for the saline-alkali soil rice shrimps as claimed in any one of claims 1-7, wherein: the sewage valve is an electromagnetic valve, the upper liquid level sensor and the lower liquid level sensor are respectively and electrically connected with an input port of the programmable controller, and the sewage valve, the first water pump and the second water pump are respectively connected with an output port of the programmable controller.