CN114232571A

CN114232571A - A non-point source zero pollution control system for paddy field in ecological irrigation area

Info

Publication number: CN114232571A
Application number: CN202111651380.1A
Authority: CN
Inventors: 潘延鑫; 井思媛
Original assignee: Nanchang Institute of Technology
Current assignee: Nanchang Institute of Technology
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-03-25
Anticipated expiration: 2041-12-31
Also published as: CN114232571B

Abstract

The invention discloses a non-point source zero-pollution treatment system for a rice field in an ecological irrigation area, and relates to the technical field of non-point source pollution treatment. The water pump type water tank is characterized by comprising a water filling channel, a water pump is fixedly arranged at the top of the water filling channel, a collecting plate is movably arranged at the bottom of the water filling channel, a bearing plate is fixedly arranged at the top of the collecting plate, a breeding groove is formed in the top of the bearing plate, a connecting frame is fixedly arranged at the top of the bearing plate, a movable sleeve is fixedly arranged on one side of the connecting frame, and a threaded screw rod is movably arranged on the inner wall of the movable sleeve. Cut apart the processing to the paddy field through setting up the ridge, the ridge can consolidate the soil in paddy field, makes things convenient for people to walk, makes things convenient for people to observe the treatment effect in ecological irrigation district paddy field, and the water inlet does benefit to the circulation of rivers circulation with being provided with of outlet of moving back, reduces the degree of piling up of impurity and silt, dredges the purification ability high, reaches the effect of medicine through the structure, and zero pollution treatment is effectual.

Description

Ecological irrigated area paddy field non-point source zero pollution treatment system

Technical Field

The invention relates to a non-point source zero-pollution treatment system for a rice field in an ecological irrigation area, and belongs to the field of rice cultivation and irrigation.

Background

Rice is one of the main grain crops in China, and accounts for about 40% of the total grain yield. Due to the physiological properties of rice, a large amount of irrigation water is required throughout the growth stage. The rice field has large water consumption, but the water utilization rate is lower. Non-point source pollution is also called non-point source pollution, mainly comprises soil silt particles, nutrient substances such as nitrogen and phosphorus, pesticides, various atmospheric particulates and the like, and enters water, soil or atmospheric environment in the modes of surface runoff, soil erosion, farmland drainage and the like. The method has the characteristics of randomness, universality, hysteresis, fuzziness, latency and the like, increases the difficulty of corresponding research, treatment and management policy establishment, and pollutants such as chemical fertilizers and pesticides applied to the rice field can enter nearby water bodies along with rice field runoff or field drainage to cause serious agricultural non-point source pollution.

Among the prior art, the improvement mode of ecological irrigated area paddy field to area source pollution is mainly with the medicine as leading, the structure design is handled as assisting, can cause certain negative effects to the growth in paddy field to irrigated area paddy field silt piles up and the problem of aquatic plant piece secondary pollution irrigated area paddy field appears easily, leads to people to spend the plenty of time when preventing and controlling improvement area source pollution, and water level control effect is not obvious moreover, and the water waste is serious.

Disclosure of Invention

The invention provides a non-point source zero-pollution treatment system for a rice field in an ecological irrigation area, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a zero-source pollution treatment system for a rice field in an ecological irrigation area comprises an irrigation canal, wherein a water pump is fixedly arranged at the top of the irrigation canal, a collecting plate is movably arranged at the bottom of the irrigation canal, a bearing plate is fixedly arranged at the top of the collecting plate, a culture groove is formed in the top of the bearing plate, a connecting frame is fixedly arranged at the top of the bearing plate, a movable sleeve is fixedly arranged on one side of the connecting frame, a threaded lead screw is movably arranged on the inner wall of the movable sleeve, a positive and negative motor is fixedly arranged at the bottom of the threaded lead screw, a fixing frame is fixedly arranged at the bottom of the positive and negative motor, a water retaining gate is fixedly arranged on one side of the fixing frame, a water inlet is formed in one side of the irrigation canal, and a rice field and a ridge are fixedly arranged on one side of the irrigation canal;

the mouth that moves back has been seted up to one side in paddy field, the fixed escape canal that is provided with in one side in paddy field, the fixed circular revetment that is provided with of inner wall in escape canal, the fixed purification tank that is provided with in bottom in escape canal, the top of purification tank is fixed respectively and is provided with medicine-discharging box and slush pump.

Furthermore, a bottom mud layer is fixedly arranged on the inner wall of the collecting plate, the bottom mud layer is communicated with the culture groove, and the collecting plate is designed to be in a wide and shallow type inverted circular truncated cone shape.

Furthermore, the loading board is fixedly provided with a movable sleeve through a connecting frame, the movable sleeve and the threaded screw rod are arranged in a threaded mode, and a baffle is fixedly arranged at the top of the threaded screw rod.

Furthermore, the two sides of the water retaining gate are fixedly provided with fixing frames, and the fixing frames are located at the bottom of the inner wall of the irrigation channel.

Furthermore, another rice field is fixedly arranged on the rice field through a ridge, the water inlet is located at the top of one side of the rice field, and the water outlet is located at the bottom of the other side of the rice field.

Further, the fixed porous disk that is provided with of inner wall of circular revetment, the fixed metalling that is provided with in bottom of escape canal inner wall.

Further, the fixed multi-stage filtration mechanism that is provided with of inner wall of purification tank, the fixed suction pump that is provided with in top of purification tank one side.

Furthermore, the inclination angle of the multi-stage filtering mechanism is an acute angle, and a storage box is fixedly arranged at the bottom of one side of the multi-stage filtering mechanism.

Furthermore, the inside of the medicine-placing box is filled with a flocculating agent, a flow guide pipe is fixedly arranged at the bottom of the mud pump, and the bottom of the flow guide pipe penetrates through the top of the storage box and extends to the inside of the storage box.

Furthermore, a rotating motor is fixedly arranged at the bottom of the front surface of the purifying tank, and an output shaft of the rotating motor is fixedly provided with a stirrer.

Compared with the prior art, the invention provides a non-point source zero-pollution treatment system for a rice field in an ecological irrigation area, which has the following beneficial effects:

1. the ecological irrigated area rice field non-point source zero-pollution treatment system has the advantages that the vertical height of the bearing plate can be adjusted through the movable sleeve and the threaded screw rod which are provided with the threads through the connecting frame, so that the collecting plate can ascend and descend, people can conveniently replace and clean the collecting plate, the movable sleeve is prevented from being separated from the threaded screw rod by the baffle plate, the stability of the structure is guaranteed,

2. this zero pollution treatment system in ecological irrigated area paddy field non-point source, build the required growing environment of emergent aquatic plant through setting up the bed mud layer, help emergent aquatic plant to carry out preliminary purification to quality of water, reduce the pollution degree, and the shape of irrigation ditch can be laminated to wide shallow radius platform form collecting plate, reinforcing desilting treatment effect, the mount can be fixed the retaining gate, the reinforcing retaining gate's steadiness ability, and the adjustable irrigation ditch water level height of retaining gate, easily emergent aquatic plant grows, also can carry out the operation of draining and retaining according to actual conditions, it is effectual to adjust.

3. This zero pollution treatment system in ecological irrigated area paddy field non-point source, come to block and filter the silt impurity in the sewage through the last filter screen who down the mesh diameter diminishes in proper order in setting up multi-stage filtration mechanism, ensure that sewage can fall to the purification tank bottom, make things convenient for the suction pump to extract sewage and handle, and can carry out purification treatment to sewage through the flocculating agent, make sewage can purify at the purification tank, the slush pump utilizes running through of honeycomb duct can adsorb the extraction to the inside silt impurity of bin, clean throughput is strong.

4. This zero pollution treatment system in ecological irrigated area paddy field non-point source through setting up the adjustable rivers velocity of flow of porous disk, also can highly reach the effect of in time drainage through heightening the porous disk to the metalling can adsorb the rivers impurity through the escape canal, and zero pollutes and administers irrigated area paddy field quality of water problem.

5. This zero pollution treatment system of ecological irrigated area paddy field non-point source cuts apart the processing to the paddy field through setting up the ridge, the ridge can consolidate the soil in paddy field, make things convenient for people to walk, make things convenient for people to observe the treatment effect in ecological irrigated area paddy field, and being provided with of water inlet and outlet of moving back does benefit to the circulation of rivers circulation, reduce the degree of piling up of impurity and silt, dredge the purification ability high, reach the effect of medicine through the structure, zero pollutes treatment effect good.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure of FIG. 1 at A in accordance with the present invention;

FIG. 3 is a partial cross-sectional side view of the irrigation channel structure of the present invention;

FIG. 4 is a schematic view of a water gate according to the present invention;

FIG. 5 is a schematic view of the structure of the purification tank of the present invention;

FIG. 6 is a cross-sectional view of the purification tank structure of the present invention;

FIG. 7 is a top view of the purification tank structure of the present invention.

In the figure: 1. irrigating a ditch; 2. a water pump; 3. a collection plate; 4. a carrier plate; 5. a culture tank; 6. a connecting frame; 7. a movable sleeve; 8. a threaded lead screw; 9. a positive and negative motor; 10. a fixed mount; 11. a water-retaining gate; 12. a water inlet; 13. a paddy field; 14. ridging; 15. a water outlet is withdrawn; 16. a drainage ditch; 17. circular revetments; 18. a purification tank; 19. a medicine placing box; 20. a slurry pump; 21. a bottom mud layer; 22. a baffle plate; 23. a water permeable plate; 24. a crushed stone layer; 25. a multi-stage filtration mechanism; 26. a water pump; 27. a storage tank; 28. a flow guide pipe; 29. a rotating electric machine; 30. a stirrer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the invention discloses a non-point source zero pollution control system for a paddy field in an ecological irrigation area, which comprises an irrigation canal 1, a water pump 2 is fixedly arranged at the top of the irrigation canal 1, a collecting plate 3 is movably arranged at the bottom of the irrigation canal 1, a bearing plate 4 is fixedly arranged at the top of the collecting plate 3, a culture tank 5 is arranged at the top of the bearing plate 4, a connecting frame 6 is fixedly arranged at the top of the bearing plate 4, a movable sleeve 7 is fixedly arranged at one side of the connecting frame 6, a threaded screw rod 8 is movably arranged on the inner wall of the movable sleeve 7, a positive and negative motor 9 is fixedly arranged at the bottom of the threaded screw rod 8, the model of the positive and negative motor 9 is 68KTYZ, a fixed frame 10 is fixedly arranged at the bottom of the positive and negative motor 9, a water blocking gate 11 is fixedly arranged at one side of the fixed frame 10, a water inlet 12 is arranged at one side of the irrigation canal 1, one side of the irrigation ditch 1 is fixedly provided with a paddy field 13 and a ridge 14;

one side of paddy field 13 has been seted up the mouth of resorption 15, one side of paddy field 13 is fixed and is provided with escape canal 16, the fixed circular revetment 17 that is provided with of inner wall in escape canal 16, the fixed purification tank 18 that is provided with in bottom in escape canal 16, the top of purification tank 18 is fixed respectively and is provided with medicine-placing chest 19 and slush pump 20.

Specifically, a bottom mud layer 21 is fixedly arranged on the inner wall of the collecting plate 3, the bottom mud layer 21 is communicated with the culture tank 5, and the collecting plate 3 is designed to be in a wide and shallow type inverted circular truncated cone shape.

In this embodiment, the required growing environment of emergent aquatic plant can be built to sediment layer 21, helps emergent aquatic plant to carry out preliminary purification to quality of water, reduces the pollution degree to wide shallow radius platform form collecting plate 3 can laminate the shape of irrigation ditch 1, and reinforcing desilting treatment effect avoids appearing secondary pollution.

Specifically, the bearing plate 4 is fixedly provided with a movable sleeve 7 through a connecting frame 6, the movable sleeve 7 and the threaded screw rod 8 are in threaded arrangement, and a baffle 22 is fixedly arranged at the top of the threaded screw rod 8.

In this embodiment, the movable sleeve 7 and the threaded screw 8 that the screw set up pass through the vertical height of the adjustable loading board 4 of link 6 for collecting plate 3 rises and falls down the operation, and the people of being convenient for change the clearance to it, and baffle 22 avoids the movable sleeve 7 to break away from the threaded screw 8, ensures the stability of structure.

Specifically, both sides of the water retaining gate 11 are fixedly provided with fixing frames 10, and the fixing frames 10 are located at the bottom of the inner wall of the irrigation canal 1.

In this embodiment, the fixing frame 10 can fix the water-blocking gate 11, so as to enhance the stability of the water-blocking gate 11, and the water-blocking gate 11 can adjust the height of the water level of the irrigation channel 1, so that emergent plants can grow easily, and the water discharging and storing operations can be performed according to actual conditions, so that the adjusting effect is good.

Specifically, another rice paddy 13 is fixedly arranged in the rice paddy 13 through a ridge 14, the water inlet 12 is located at the top of one side of the rice paddy 13, and the water outlet 15 is located at the bottom of the other side of the rice paddy 13.

In this embodiment, paddy field 13 is cut apart the processing through ridge 14 for ridge 14 can not only consolidate the soil in paddy field, can also make things convenient for people to walk, makes things convenient for people to observe the treatment effect in ecological irrigation district paddy field, and water inlet 12 and the 15 that are provided with of degating port do benefit to the circulation of rivers circulation, reduces the degree of piling up of impurity and silt, dredges the purification ability height, reaches the effect of medicine through the structure, and zero pollutes treatment effect is good.

Specifically, the fixed porous disk 23 that is provided with of inner wall of circular revetment 17, the fixed metalling 24 that is provided with in bottom of 16 inner walls in escape canal.

In this embodiment, the adjustable rivers velocity of flow of porous disk 23, the accessible increases the effect that highly reaches timely drainage of porous disk 23 to rubble layer 24 can adsorb the rivers impurity through 16 escape canals, and zero pollutes and administers irrigated area paddy field quality of water problem.

Specifically, the inner wall of the purification tank 18 is fixedly provided with a multi-stage filtering mechanism 25, and the top of one side of the purification tank 18 is fixedly provided with a water suction pump 26.

In this embodiment, the multistage filter mechanism 25 is a structure composed of three layers of filter screens, and the filter screens with the mesh diameters gradually reduced from top to bottom block and screen sludge impurities in the sewage, so that the sewage can fall to the bottom of the purification tank 18, and the water suction pump 26 is convenient to pump the sewage.

Specifically, the inclination angle of the multistage filtering mechanism 25 is an acute angle, and the storage box 27 is fixedly arranged at the bottom of one side of the multistage filtering mechanism 25.

In this embodiment, inclination is the multistage filter mechanism 25 of acute angle and can will block that silt impurity in its structure piles up in the lower one side of vertical height to fall into storage tank 27 inside and carry out short duration storage, avoid silt and sewage to contact once more, improve purifying effect, overall structure is stable orderly.

Specifically, the inside of the discharge box 19 is filled with a flocculant, a flow guide pipe 28 is fixedly provided at the bottom of the mud pump 20, and the bottom of the flow guide pipe 28 penetrates the top of the storage tank 27 and extends into the storage tank 27.

In this embodiment, can carry out purification treatment to sewage through the flocculating agent for sewage can purify at purification tank 18, and mud pump 20 utilizes running through of honeycomb duct 28 can adsorb the extraction to the inside silt impurity of bin 27, and clean throughput is strong.

Specifically, a rotating motor 29 is fixedly arranged at the bottom of the front face of the purifying tank 18, the model of the rotating motor 29 is DRF-W300CA, and an output shaft of the rotating motor 29 is fixedly provided with a stirrer 30.

In this embodiment, the rotating electrical machine 29 can drive the agitator 30 to perform the agitation operation at the bottom of the purifying tank 18, so that the flocculating agent can be fully exerted in the sewage, and the purifying effect can be enhanced.

When the ecological water retaining and purifying device is used, emerging plants are firstly planted on the inner wall of the culture tank 5, so that the emerging plants grow by utilizing the bottom mud layer 21 and perform ecological purification on passing water flow, the water flow is introduced into the interior of the water irrigation channel 1 through the water pump 2, then the water level of the water irrigation channel 1 is adjusted by adjusting the water retaining gate 11, the growth of plants is guaranteed while the water flow is ensured, the water storage and water drainage operation is convenient, the passing water flow enters the interior of the paddy field 13 from the water inlet 12 to guarantee the growth of the paddy field in the ecological irrigation area and then flows into the drainage ditch 16 from the water outlet 15, the drainage ditch 16 performs preliminary adsorption and purification on sludge and impurities in the water flow through the design of the gravel layer 24 and the circular revetment 17, no medicine is added, the pollution-free paddy field 13 is polluted, the primarily purified sewage flows into the purification tank 18, so that the multistage filtering mechanism 25 can block the sludge and impurities in the sewage, and the sewage can be stored at the bottom of the purifying tank 18, at this time, a flocculating agent is poured into the sewage tank 19, the sewage at the bottom of the purifying tank 18 is purified by the flocculating agent, and then the rotating motor 29 and the mud pump 20 are synchronously started, so that the rotating motor 29 drives the stirrer 30 to stir the inside of the purifying tank 18, the effect of the flocculating agent is fully exerted, the mud pump 20 pumps sludge impurities placed in the storage tank 27, and the sewage is pumped by the water pump 26 after being reacted by the flocculating agent.

In conclusion, this zero pollution treatment system in ecological irrigated area paddy field non-point source, come to block and filter the silt impurity in the sewage through the filter screen who sets up in the multistage filter mechanism 25 down mesh diameter from the last in proper order diminishes, ensure that sewage can fall to purification tank 18 bottom, make things convenient for suction pump 26 to extract sewage and handle, and can carry out purification treatment to sewage through the flocculating agent, make sewage can purify at purification tank 18, mud pump 20 utilizes running through of honeycomb duct 28 can adsorb the extraction to the inside silt impurity of bin 27, the clean throughput is strong.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An ecological irrigation area paddy field non-point source zero pollution control system, comprising an irrigation canal (1), characterized in that: a water pump (2) is fixedly provided on the top of the irrigation canal (1), and a water pump (2) is fixed on the top of the irrigation canal (1). A collecting plate (3) is movably arranged at the bottom, a bearing plate (4) is fixedly arranged on the top of the collecting plate (3), and a breeding tank (5) is opened on the top of the bearing plate (4), and the bearing plate ( 4) A connecting frame (6) is fixedly arranged on the top of the connecting frame (6), a movable sleeve (7) is fixedly arranged on one side of the connecting frame (6), and a threaded screw rod (8) is movably arranged on the inner wall of the movable sleeve (7). , the bottom of the threaded screw (8) is fixedly provided with a positive and negative motor (9), the bottom of the positive and negative motor (9) is fixedly provided with a fixing frame (10), one side of the fixing frame (10) A water blocking gate (11) is fixedly arranged, a water inlet (12) is opened on one side of the irrigation channel (1), and a paddy field (13) and a ridge (14) are fixedly arranged on one side of the irrigation channel (1). );

A drain (15) is opened on one side of the paddy field (13), a drainage ditch (16) is fixedly arranged on one side of the paddy field (13), and the inner wall of the drainage ditch (16) is fixedly provided with a circle The bottom of the drainage ditch (16) is fixedly provided with a purification tank (18), and the top of the purification tank (18) is respectively fixed with a medicine discharge box (19) and a mud pump (20).

2. The non-point source zero pollution control system for paddy fields in ecological irrigation areas according to claim 1, characterized in that: a bottom mud layer (21) is fixedly arranged on the inner wall of the collecting plate (3), and the bottom mud layer ( 21) and the breeding tank (5) are communicated with each other, and the shape of the collecting plate (3) is designed as a wide and shallow rounded truncated truncated shape.

3. A zero-pollution control system for paddy field non-point source in ecological irrigation area according to claim 1, characterized in that: the carrying plate (4) is fixedly provided with a movable sleeve (7) through a connecting frame (6), and the movable The sleeve (7) and the threaded screw rod (8) are threaded, and a baffle plate (22) is fixedly arranged on the top of the threaded screw rod (8).

4. The non-point source zero pollution control system for paddy fields in ecological irrigation areas according to claim 1, characterized in that: both sides of the water blocking gate (11) are fixedly provided with fixing frames (10), the fixing frames (10) is located at the bottom of the inner wall of the irrigation channel (1).

5 . The non-point source zero pollution control system for paddy fields in ecological irrigation areas according to claim 1 , wherein the paddy field ( 13 ) is fixedly provided with another paddy field ( 13 ) through the ridge ( 14 ), and the The water inlet (12) is located at the top of one side of the paddy field (13), and the water outlet (15) is located at the bottom of the other side of the paddy field (13).

6. The non-point source zero pollution control system for paddy fields in ecological irrigation areas according to claim 1, characterized in that: the inner wall of the circular revetment (17) is fixedly provided with a permeable plate (23), the drainage ditch (16) ) at the bottom of the inner wall is fixedly provided with a gravel layer (24).

7. The non-point source zero pollution control system for paddy fields in ecological irrigation areas according to claim 1, characterized in that: the inner wall of the purification tank (18) is fixedly provided with a multi-stage filtering mechanism (25), the purification tank (18) 18) A suction pump (26) is fixed on the top of one side.

8 . The non-point source zero pollution control system for paddy fields in an ecological irrigation area according to claim 7 , wherein the inclination angle of the multi-stage filtering mechanism ( 25 ) is an acute angle, and the multi-stage filtering mechanism ( 25 ) has an acute angle. The bottom of the side is fixedly provided with a storage box (27).

9 . The non-point source zero pollution control system for paddy fields in ecological irrigation areas according to claim 8 , wherein the inside of the medicine discharge box ( 19 ) is filled with a flocculant, and the bottom of the mud pump ( 20 ) is fixed. 10 . A guide pipe (28) is provided, and the bottom of the guide pipe (28) penetrates the top of the storage tank (27) and extends to the interior of the storage tank (27).

10. The non-point source zero pollution control system for paddy fields in ecological irrigation areas according to claim 1, characterized in that: a rotary motor (29) is fixedly arranged at the bottom of the front of the purification tank (18), and the rotary motor (29) ) output shaft is fixedly provided with a stirrer (30).