CN214015552U - Energy-concerving and environment-protective type rice and fish system of doing altogether - Google Patents
Energy-concerving and environment-protective type rice and fish system of doing altogether Download PDFInfo
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- CN214015552U CN214015552U CN202022394863.5U CN202022394863U CN214015552U CN 214015552 U CN214015552 U CN 214015552U CN 202022394863 U CN202022394863 U CN 202022394863U CN 214015552 U CN214015552 U CN 214015552U
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Abstract
The utility model relates to the technical field of comprehensive utilization of rice fields, in particular to an energy-saving and environment-friendly rice and fish co-farming system, which comprises a rice field fish culture subsystem and a seed breeding subsystem which are mutually communicated, wherein the peripheries of the rice field fish culture subsystem and the seed breeding subsystem are also surrounded with an external circular groove; the rice field fish culture subsystem is used for receiving and treating fish culture wastewater and comprises a rice field and a circular ditch surrounding the rice field, wherein a water inlet and return system and a drainage system are arranged at the circular ditch and are communicated with an external circular ditch; the seedling breeding subsystem is used for providing seedlings and overwintering places and comprises a parent breeding pool, an overwintering pool, a seedling breeding pool and an experimental pool which are sequentially communicated, a water inlet and return system is arranged between the parent breeding pool and the overwintering pool, and a drainage system is connected between the parent breeding pool and an external circular ditch. The internal circulation of the culture water and the paddy field water is realized in daily operation, the energy consumption is greatly reduced, and the effects of energy conservation and emission reduction are realized.
Description
Technical Field
The utility model belongs to the technical field of the rice field integrated utilization technique and specifically relates to an energy-concerving and environment-protective type rice fish system of doing altogether.
Background
At present, fish culture in rice fields is widely applied, but in the process of fish culture in rice fields, several problems still exist and need to be solved urgently.
1. Most of the fish fry breeding sources in the rice field come from the market, and the market price fluctuation is large, so that the enthusiasm of farmers and the popularization of fish breeding in the rice field are influenced.
2. At present, the fish culture wastewater treatment of fish culture in the rice field still has great hidden trouble, most farmers adopt a mode of pumping water by a small pump to discharge to nearby river channels for pond cleaning, and the mode not only pollutes the river channels and influences the water quality of inlet water in the next year, thereby influencing the yield of rice and fish; but also wastes a large amount of energy and does not meet the current requirements of energy conservation and emission reduction.
3. The fish culture mode in the rice field is mostly a family farm mode, has the characteristics of being separated, scattered and small, wastes labor, has low yield and low efficiency, and does not form factory intensification.
SUMMERY OF THE UTILITY MODEL
The applicant provides an energy-saving and environment-friendly rice and fish co-operation system with a reasonable structure aiming at the problems in the prior production technology, the system reduces pollutant emission and energy waste, meets the requirements of energy conservation and emission reduction, improves the production efficiency through an intensification mode, and brings remarkable economic benefits for practitioners.
The utility model discloses the technical scheme who adopts as follows:
an energy-saving and environment-friendly rice and fish co-farming system comprises a rice field fish culture subsystem and a seed breeding subsystem which are communicated with each other, wherein external circular ditches are also surrounded at the peripheries of the rice field fish culture subsystem and the seed breeding subsystem;
the rice field fish culture subsystem is used for receiving and treating fish culture wastewater and comprises a rice field and a circular ditch surrounding the rice field, wherein a water inlet and return system and a drainage system are arranged at the circular ditch and are communicated with an external circular ditch;
the seedling breeding subsystem is used for providing seedlings and overwintering places and comprises a parent breeding pool, an overwintering pool, a seedling breeding pool and an experimental pool which are sequentially communicated, a water inlet and return system is arranged between the parent breeding pool and the overwintering pool, and a drainage system is connected between the parent breeding pool and an external circular ditch.
As a further improvement of the above technical solution:
the water inlet and return system comprises a water inlet pump room and a water inlet main pipe communicated with the water inlet pump room, wherein a plurality of water inlet branch pipes are led out from the water inlet main pipe and are led into each rice field.
The both ends department of each person in charge that intakes is equipped with the stop valve, and the person in charge that intakes deviates from the one end in pump room that intakes still is equipped with the centrifugal pump, is equipped with the inlet valve on each lateral.
The water inlet main pipe and the water inlet branch pipe are buried under the ground, and the buried depth ranges from 0.5m to 1 m.
The drainage system comprises a main drainage pipe and a branch drainage pipe led out from the main drainage pipe to the rice field, and water purified in the rice field is led out through the branch drainage pipe and the main drainage pipe in sequence.
The output end of the main drainage pipe comprises an inner drainage pipe and an outer drainage pipe, water flow output by the inner drainage pipe is used for recycling in the system, and the outer drainage pipe outputs water to external water utilization equipment.
And a field road is arranged between the annular trench and the external annular trench, a slope is arranged on one side of the annular trench facing the field road, and a bait casting platform is arranged on the slope.
An energy-saving and environment-friendly rice and fish co-farming method comprises the following steps:
firstly, seedling culture and breeding preparation stage: pumping water into the fry breeding subsystem and the rice field fish culture subsystem, breeding fries in the fry breeding subsystem, and breeding the obtained fries in the rice field fish culture subsystem;
II, a culture wastewater treatment stage: and (3) opening a stop valve for wastewater generated in the seedling breeding subsystem, starting a centrifugal pump, extracting the wastewater, inputting the wastewater into the rice field through a main water inlet pipe and a branch water inlet pipe, purifying the wastewater by the rice field, and then outputting the wastewater back to the seedling breeding subsystem through a branch water outlet pipe and a main water outlet pipe of a drainage system or outputting the wastewater to external water utilization equipment to realize energy-saving water circulation.
The utility model has the advantages as follows:
the utility model has reasonable structure, realizes the water circulation mode of water inlet, water outlet and water return through the water inlet and water return system and the water discharge system, and the rice field fish culture subsystem and the seed breeding subsystem utilize the rice field to culture aquatic products and treat fish culture wastewater, thereby basically realizing zero discharge of the aquaculture wastewater; meanwhile, the fish manure and the feed residues are used for fertilizing the field to increase the rice yield, and the double harvest of rice planting and fish culture is realized.
The utility model discloses a only need advance in the production year of system and drain off water once respectively, realize breeding water and paddy field water inner loop in the daily operation, the energy that significantly reduces uses, realizes energy saving and emission reduction effect.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the system of the present invention.
FIG. 2 is a schematic view of the structure of the single rice field and the surrounding of the rice field.
FIG. 3 is a schematic structural view of a seedling breeding subsystem according to the present invention;
fig. 4 is a schematic structural view of the water inlet and return system of the present invention.
Fig. 5 is a schematic structural diagram of the drainage system of the present invention.
Fig. 6 is a schematic view of the structure of the drainage branch pipe of the drainage system of the present invention.
Fig. 7 is a schematic view of the inspection well structure of the present invention.
Wherein: 1. a rice field fish culture subsystem; 2. a seedling breeding subsystem; 3. an outer annular groove; 4. A water intake and return system; 5. a drainage system; 6. a field road; 7. a water passing pipeline;
101. a rice field; 102. a ring groove;
201. a parent breeding pool; 202. a wintering pond; 203. a fry breeding pond; 204. an experimental pond;
401. a water intake pump house; 402. a main water inlet pipe; 403. a water inlet branch pipe; 404. a stop valve; 405. A centrifugal pump; 406. a water inlet valve;
501. a main drainage pipe; 502. a drain branch pipe; 503. an inner calandria; 504. and (4) discharging the tubes outside.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, the energy-saving and environment-friendly rice and fish co-farming system of the present embodiment includes a rice field fish-farming subsystem 1 and a seed breeding subsystem 2 which are communicated with each other, and an external circular trench 3 is further surrounded around the peripheries of the rice field fish-farming subsystem 1 and the seed breeding subsystem 2.
The rice field fish culture subsystem 1 is used for receiving and treating fish culture wastewater and comprises a plurality of rice fields 101, wherein the length of each rice field 101 is 120 meters, and the width of each rice field 101 is 43 meters; the rice fields 101 are communicated with each other through a water inlet and return system 4, as shown in fig. 1, the water inlet and return system 4 is arranged in the middle of the rice fields 101 and used for pumping water into the rice fields 101; the water purified in the paddy field 101 is discharged from the drainage system 5 in the periphery of the paddy field 101.
As shown in fig. 1, 2 and 4, a circumferential groove 102 is formed around each of the rice fields 101, and an outer circumferential groove 3 is formed around all of the rice fields 101 having the circumferential groove 102. The top of the circular ditch 102 is 5 meters wide and 1 meter deep, a bait casting platform is arranged on one side close to a field road, the width of the platform is 1 meter, and the platform is as high as the rice field 101 to ensure the water level. A field road 6 is arranged between two adjacent rice fields 101, and the width of the field road is 3 meters. The field 6 is communicated with the external circular ditch 3, the external circular ditch 3 is provided with a water inlet pump room 401 of a water inlet and return system 4, the water inlet and return system 4 further comprises two water inlet main pipes 402 led out from the water inlet pump room 401, a plurality of water inlet branch pipes 403 are led out from the water inlet main pipes 402, and each water inlet branch pipe 403 extends into one rice field 101. In order to control the water flow, two ends of each main water inlet pipe 402 are provided with stop valves 404, one end of the main water inlet pipe 402 away from the water inlet pump room 401 is also provided with a centrifugal pump 405, and each branch pipe is provided with a water inlet valve 406 so as to control the water amount in each rice field 101.
In this embodiment, the intake pump room 401 is a 15KW mixed flow pump; the main water inlet pipe 402 and the branch water inlet pipe 403 are PVC pipes with the diameter of 200 mm, the main water inlet pipe 402 and the branch water inlet pipe 403 are buried under the ground, the buried depth ranges from 0.5m to 1m, and the main water inlet pipe 402 is buried depth of 0.7 m in the embodiment. The water inlet valve 406 adopts a gate valve with the diameter of 200 mm; the stop valve 404 is a gate valve with a diameter of 200 mm; the centrifugal pump 405 is a 3KW horizontal centrifugal pump 405.
When the circular ditches 102 of the rice field 101 need to be filled with water, the stop valves 404 and all the water inlet valves 406 close to one end of the water inlet pump house 401 are opened, the stop valves 404 far away from one end of the water inlet pump house 401 are closed, the water inlet pump house 401 is opened, the circular ditches 102 start to be filled with water, and the water inflow of the circular ditches 102 in the rice field 101 units can be controlled by controlling the opening and closing of the water inlet valves 406. When the fish farming wastewater in the seedling breeding subsystem 2 is required to be discharged to the subsystem 1, the stop valve 404 and all the water inlet valves 406 which are far away from one end of the water inlet pump room 401 are opened, the stop valve 404 which is close to one end of the water inlet pump room 401 is closed, water can be fed by opening the centrifugal pump 405, and the treated water volume in each rice field 101 unit can be controlled by controlling the opening and closing of the water inlet valves 406.
As shown in fig. 1, 3 and 5, the seedling breeding subsystem 2 is used for providing seedlings and overwintering places, and comprises a parent breeding pond 201, an overwintering pond 202, a seedling breeding pond 203 and an experimental pond 204 which are sequentially communicated, wherein a water inlet and return system 4 is arranged between the parent breeding pond 201 and the overwintering pond 202, a drainage system 5 is connected between the parent breeding pond 201 and an external circular ditch 3, a water passing pipeline 7 is connected between adjacent ponds, and the water passing pipeline 7 is used for balancing and adjusting the water level of the adjacent ponds. The drainage system 5 includes a main drainage pipe 501 and a branch drainage pipe 502 leading out from the main drainage pipe 501 into the paddy field 101, and water purified in the paddy field 101 is led out through the branch drainage pipe 502 and the main drainage pipe 501 in this order. Therefore, the branch drain pipe 502 can be regarded as a water inlet position of the drain system 5, and the main drain pipe 501 is a final water outlet position. The output end of the main drainage pipe 501 is divided into two output paths, namely an inner drainage pipe 503 and an outer drainage pipe 504, the water flow output by the inner drainage pipe 503 is used for recycling in the system, and the outer drainage pipe 504 is output to external water utilization equipment or a water storage place.
As shown in fig. 6, the branch drain pipe 502 is in the form of a pipe drawing, the height of the pipe top is 10 cm higher than that of the rice field 101, when the water level of the rice field 101 is too high, water flow automatically enters the branch drain pipe 502 and flows to the inspection well through the main drain pipe 501, when the circular ditch 102 of the rice field 101 needs to be drained, the branch drain pipe 502 is drawn off, and the water level is higher than the main drain pipe 501 no matter how high, so that water in the circular ditch 102 can be drained through the main drain pipe 501. The pipe bottom elevation of the internal drainage pipe 503 is the same as the pipe bottom elevation of the main drainage pipe 501, the stop valve 404 is arranged on the internal drainage pipe 503, when the main drainage pipe 501 drains water into the inspection well, the stop valve 404 is opened, the water drained from the rice field 101 flows to the seedling breeding subsystem 2, and the water amount of each unit pool of the seedling breeding subsystem 2 is supplemented through the water passing pipe 7. The top level of the outer row pipe 504 is the same as that of the branch drain pipe 502, and a stop valve 404 is also installed, so that when the stop valve 404 on the inner row pipe 503 is closed and the stop valve 404 on the outer row pipe 504 is opened, the drainage of the paddy field 101 flows to the outer annular groove 3 through the outer row pipe 504.
In this embodiment, the main drainage pipe 501 is a corrugated pipe with a diameter of 300 mm; PVC pipelines with the diameter of 200 mm are adopted as the drainage branch pipe 502, the outer discharge pipe 504 and the inner discharge pipe 503; as shown in fig. 7, an inspection well is further provided at the tail end of the drainage system 5, and the inspection well is a brick inspection well and is communicated with the main drainage pipe 501, the inner drainage pipe 503 and the outer drainage pipe 504.
The energy-saving environment-friendly rice and fish co-farming method comprises the following steps:
firstly, seedling culture and breeding preparation stage: pumping water into the fry breeding subsystem 2 and the rice field fish culture subsystem 1, breeding fries in the fry breeding subsystem 2, and breeding the obtained fries in the rice field fish culture subsystem 1;
II, a culture wastewater treatment stage: the stop valve 404 is opened for wastewater generated in the seedling breeding subsystem 2, the centrifugal pump 405 is started to pump the wastewater, the wastewater is input into the rice field 101 through the main water inlet pipe 402 and the branch water inlet pipe 403, and after the wastewater is purified by the rice field 101, the wastewater is input back to the seedling breeding subsystem 2 through the branch water discharge pipe 502 and the main water discharge pipe 501 of the water discharge system 5 or is output to external water utilization equipment, so that energy-saving water circulation is realized.
The system respectively replenishes water for each paddy field 101 through a water inlet pump room 401 and a water inlet pipeline system; required water is supplied to a parent breeding pond 201, a seedling breeding pond 203, a seedling breeding pond, an overwintering pond 202 and the like through a drainage system 5 of the rice field 101. During the rice planting period, large-sized fish seeds are planted in the circular ditches 102 around the rice field 101,
and simultaneously, obtaining the fry through parent breeding and fry breeding, and culturing the fry into large-size fingerlings in a fry culturing pool for stocking in the second year or selling in the current year. In daily operation, the fish culture wastewater in the parent breeding pond 201, the offspring breeding pond 203 and the offspring breeding pond enters the rice field 101 through a water return system, and returns to the original pond again through the drainage system 5 after a certain retention time in the rice field 101. After the rice is harvested, discharging part of water in the circular ditch 102 of the rice field 101 through the drainage system 5 and the centrifugal pump 405 so as to catch adult fishes in the rice field 101; part of the caught adult fish is kept as parent fish with strong constitution, no disease and no injury for breeding, and the rest adult fish can be sold on the market directly or put into the overwintering pond 202 for overwintering. After the water in the circular ditches 102 of the rice field 101 is completely drained, leveling the rice field 101, trimming ridges, maintaining equipment and the like can be carried out for the next production year.
The utility model discloses a paddy field fish culture subsystem 1 and seed breeding subsystem 2 cooperation are used, and seed breeding subsystem 2 provides seed and overwintering place for paddy field fish culture subsystem 1, and paddy field fish culture subsystem 1 accepts seed breeding subsystem 2 exhaust waste water of breeding fish culture, realizes that matter circulation and energy flow in the system, and the reduction energy uses and pollutant discharge, reaches energy-concerving and environment-protective purpose.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.
Claims (7)
1. An energy-saving and environment-friendly rice and fish co-farming system is characterized in that: the system comprises a rice field fish culture subsystem (1) and a seedling breeding subsystem (2) which are communicated with each other, wherein an external circular groove (3) is also surrounded on the peripheries of the rice field fish culture subsystem (1) and the seedling breeding subsystem (2);
the rice field fish culture subsystem (1) is used for receiving and treating fish culture wastewater and comprises a rice field (101) and a circular ditch (102) surrounding the rice field (101), wherein a water inlet and return system (4) and a water drainage system (5) are arranged at the circular ditch (102), and the water inlet and return system (4) and the water drainage system (5) are communicated with an external circular ditch (3); the seedling breeding subsystem (2) is used for providing seedlings and overwintering places and comprises a parent breeding pool (201), an overwintering pool (202), a seedling breeding pool (203) and an experimental pool (204) which are sequentially communicated, a water inlet and return system (4) is arranged between the parent breeding pool (201) and the overwintering pool (202), and a drainage system (5) is connected between the parent breeding pool (201) and an external circular ditch (3).
2. The energy-saving and environment-friendly rice and fish co-farming system of claim 1, wherein: the water inlet and return system (4) comprises a water inlet pump room (401) and a water inlet main pipe (402) communicated with the water inlet pump room (401), wherein a plurality of water inlet branch pipes (403) are led out from the water inlet main pipe (402), and the water inlet branch pipes (403) are led into each rice field (101).
3. The energy-saving and environment-friendly rice and fish co-farming system of claim 2, wherein: stop valves (404) are arranged at two ends of each water inlet main pipe (402), a centrifugal pump (405) is further arranged at one end of each water inlet main pipe (402) departing from the water inlet pump room (401), and a water inlet valve (406) is arranged on each branch pipe.
4. The energy-saving and environment-friendly rice and fish co-farming system of claim 2, wherein: the water inlet main pipe (402) and the water inlet branch pipe (403) are buried under the ground, and the buried depth ranges from 0.5m to 1 m.
5. The energy-saving and environment-friendly rice and fish co-farming system of claim 1, wherein: the drainage system (5) comprises a main drainage pipe (501) and a branch drainage pipe (502) led out from the main drainage pipe (501) to the rice field (101), and water purified in the rice field (101) is led out through the branch drainage pipe (502) and the main drainage pipe (501) in sequence.
6. The energy-saving and environment-friendly rice and fish co-farming system of claim 5, wherein: the output end of the main drainage pipe (501) comprises an inner drainage pipe (503) and an outer drainage pipe (504), the water flow output by the inner drainage pipe (503) is used for recycling in the system, and the outer drainage pipe (504) is output to external water consumption equipment.
7. The energy-saving and environment-friendly rice and fish co-farming system of claim 1, wherein: an inter-field road (6) is arranged between the annular ditch (102) and the external annular ditch (3), a slope is arranged on one side, facing the inter-field road (6), of the annular ditch (102), and a bait casting platform is arranged on the slope.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112205347A (en) * | 2020-10-23 | 2021-01-12 | 中国水产科学研究院淡水渔业研究中心 | Energy-saving and environment-friendly rice and fish co-farming system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112205347A (en) * | 2020-10-23 | 2021-01-12 | 中国水产科学研究院淡水渔业研究中心 | Energy-saving and environment-friendly rice and fish co-farming system and method |
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