A rice field drainage water purification device placed on the ridge

Abstract

The invention discloses a rice field drainage water quality purification device placed on a field ridge, and relates to the technical field of farmland drainage pollution control. The rice field drainage water quality purification device comprises an equipment frame, a purification frame is fixedly installed inside the equipment frame, an ecological adsorption frame is fixedly installed inside the equipment frame, a water inlet is opened on the surface of the equipment frame, a water outlet is opened on the surface of the equipment frame, and also comprises: a feeding device, the feeding device comprises a storage frame, a servo motor, a transmission shaft, a discharge pipe, a receiving rod, a baffle, a partition, a sleeve, an arc rod and a stirring plate, the storage frame is fixedly passed through the upper and lower walls of the equipment frame, the servo motor is fixedly installed above the storage frame, and the stirring plate of the rice field drainage water purification device rotates to stir the water flow inside the equipment frame, so as to improve the reaction effect between the disinfectant and the rice field water, and prevent the toxic substances of the pesticide residues in the rice field water from flowing back into the river.

Description

Technical Field

[0001] The invention relates to the technical field of farmland drainage pollution control, in particular to a rice field drainage water purification device placed on a field ridge. Background Art

[0002] The rice field drainage water quality purification device placed on the ridge is an ecological engineering equipment used to improve the drainage water quality of the rice field. The device is usually designed on the ridge of the rice field to remove pollutants in the water through a natural purification process to improve the ecological environment quality of the water body.

[0003] The patent with the patent announcement number CN103833184B relates to a water purification device for rice field drainage placed on the ridge, which is characterized by using φ10 steel bars to construct a single water purification device frame, with plastic plates on both sides and steel wire mesh on the other four sides, a plastic gate at the front end, and a fine-density steel wire mesh to separate the inside of the device into parts A and B. The volume ratio of the two parts A and B is 2:1. The steel wire mesh of part A is a high-density steel wire mesh filled with biological filler balls, and the steel wire mesh of part B is a fine-density steel wire mesh filled with active materials. The front and back of the single water purification device are designed to be openable, and the single water purification device or two single water purification devices are placed in the ridge at the drainage end of the rice field and fixed with wooden stakes. Advantages: It improves the traditional drainage method of directly opening the gate of the traditional rice field to drain the rice field directly, and the water quality cannot be purified. It can effectively intercept harmful substances such as nitrogen, phosphorus, organic matter and pesticide residues that are difficult to biodegrade in the farmland drainage.

[0004] In the above patent, the traditional drainage method of directly discharging rice field water by opening the gate directly from the traditional rice field without any water purification is improved. The patent can effectively intercept harmful substances such as nitrogen, phosphorus, organic matter and pesticide residues that are difficult to biodegrade in the farmland drainage water. However, there may be pesticide residues in the rice field water. If the pesticide residues are not handled in time, it will cause damage to the ecological environment of the river. For this reason, a rice field drainage water quality purification device placed on the ridge is designed, which has the function of reacting with residual pesticides. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a rice field drainage water purification device placed on a ridge, which solves the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a rice field drainage water purification device placed on a ridge, comprising an equipment frame, a purification frame is fixedly installed inside the equipment frame, an ecological adsorption frame is fixedly installed inside the equipment frame, a water inlet is opened on the surface of the equipment frame, a water outlet is opened on the surface of the equipment frame, and also includes: a feeding device, the feeding device includes a storage frame, a servo motor, a transmission shaft, a discharge pipe, a receiving rod, a baffle, a partition, a sleeve, an arc rod and a stirring plate, the rotation of the transmission shaft drives the sleeve to rotate, the rotation of the sleeve drives the arc rod to rotate, the storage frame is fixedly passed through the upper and lower walls of the equipment frame, and the servo motor is fixedly installed above the storage frame. The transmission shaft is fixedly installed below the servo motor, the discharge pipe is fixedly passed through the inner and outer walls below the equipment frame, the receiving rod is fixedly installed below the storage frame, the baffle is slidably installed on the circumferential surface of the receiving rod, the partition is fixedly installed on the inner wall of the discharge pipe, the sleeve is slidably installed on the circumferential surface of the transmission shaft, the arc rod is fixedly installed on the circumferential surface of the sleeve, the stirring plate is fixedly installed on the circumferential surface of the transmission shaft, the circumferential surface of the transmission shaft is provided with a threaded groove, the baffle is connected to the transmission shaft by a thread, and the stirring plate rotates to stir the water flow inside the equipment frame, thereby improving the reaction effect of the disinfectant and the paddy field water and preventing the toxic substances residual in the pesticide in the paddy field water from flowing back into the river.

[0007] According to the above technical scheme, activated carbon is arranged inside the purification frame, aquatic plants are planted inside the ecological adsorption frame, the purification frame is set to a water-permeable material, the ecological adsorption frame is set to a water-permeable material, disinfectant is stored inside the storage frame, and the rice field water inside the ridge enters the interior of the equipment frame through the water inlet, and passes through the purification frame and the ecological adsorption frame in turn and flows back to the river, the activated carbon inside the purification frame can adsorb heavy metals and other pollutants in the water, and the aquatic plants in the ecological adsorption frame can degrade organic pollutants in the water through metabolism.

[0008] According to the above technical solution, a discharge hole is opened on the surface of the partition, the bottom of the inner wall of the storage frame is set as an inclined surface, the bottom of the sleeve is rotatably connected to the baffle, and a No. 1 spring is arranged between the receiving rod and the baffle. Under the action of the No. 1 spring, the baffle moves upward and re-closes the discharge pipe.

[0009] The slag discharging opening is an upper and lower part of the slag discharging opening, and the lower and lower parts of the slag discharging opening are lowered to the bottom of the slag discharging opening.

[0010] According to the above technical solution, a limiting groove is provided on the surface of the sliding plate, and the end of the receiving shaft away from the stirring plate is arranged inside the limiting groove. The rotation of the receiving shaft drives the sliding plate to move back and forth laterally under the action of the limiting groove.

[0011] According to the above technical solution, the side of the lifting plate close to the horizontal plate is set as bevel surface 1, and the side of the horizontal plate close to the lifting plate is set as bevel surface 2. The movement of the horizontal plate drives the lifting plate downward through bevel surface 1 and bevel surface 2.

[0012] According to the above technical scheme, an anti-clogging device is provided inside the equipment frame to prevent plant residues from clogging the water inlet, and the anti-clogging device includes a filter plate and a scraper rod, the filter plate is fixedly mounted on the inner wall of the water inlet, and the scraper rod is slidably mounted on the surface of the filter plate, and the anti-clogging device also includes a connecting rod, a moving rod and a fixed rod. During the movement of the cross plate, the moving rod is contacted and squeezed to move in a direction close to the filter plate, and the movement of the moving rod drives the connecting rod to rotate with the moving rod as the center, a placement groove is provided on the surface of the equipment frame, and the scraper rod is slidably connected to the inner wall of the placement groove at the bottom, the connecting rod is rotatably mounted on the surface of the scraper rod, the moving rod rotates and passes through the end of the connecting rod away from the scraper rod, and the fixed rod is fixedly mounted on the inner wall of the placement groove, and the movement of the scraper rod can effectively scrape the plant residues accumulated on the surface of the filter plate to both sides.

[0013] According to the above technical solution, a No. 3 spring is arranged between the scraper rod and the inner wall of the placement groove, a card slot is opened on the surface of the slag discharge frame, the fixed rod slides through the left and right walls of the scraper rod, the scraper rod moves to squeeze the No. 3 spring to contract, and when the cross plate is reset and out of contact with the moving rod, the scraper rod is reset under the action of the No. 3 spring.

[0014] The present invention provides a rice field drainage water purification device placed on the ridge of the field. It has the following beneficial effects:

[0015] (1) The rice field drainage water purification device, with the coordinated operation of the transmission shaft, the discharge pipe, the receiving rod, the baffle, the partition, the sleeve, the arc rod and the stirring plate, realizes the uniform discharge of the reactant and stirs the water flow, thereby improving the reaction effect between the disinfectant and the rice field water and preventing the toxic substances of the pesticide residues in the rice field water from flowing back into the river. At the same time, under the action of the No. 1 spring, the discharge pipe is closed when the equipment stops working, thereby preventing the reactant inside the storage frame from agglomerating in a humid environment when not working, thereby increasing the processing cost and affecting the subsequent purification effect.

[0016] (2) The rice field drainage water purification device, with the coordinated operation of the receiving shaft, sliding plate, slag discharge frame, lifting plate and horizontal plate, the horizontal plate moves to push the sediment at the bottom of the inner wall of the equipment frame to the outside, which can effectively prevent the sediment inside the equipment frame from accumulating more and more, resulting in excessive accumulation of mud and sand and then clogging the surface of the purification frame, thereby affecting the subsequent purification effect. At the same time, the movement of the horizontal plate can effectively prevent the sediment from being dispersed again in the water flow during the pushing process, thereby improving the effect of sediment removal.

[0017] (3) The rice field drainage water purification device, with the coordinated operation of the filter plate, scraper rod, connecting rod, movable rod and fixed rod, enables the scraper rod to scrape the plant residues accumulated on the surface of the filter plate to both sides, so as to prevent the residual plants in the rice field water from accumulating on the surface of the filter plate under the action of the water flow and causing blockage, thereby reducing the flow rate of the water flow and affecting the drainage efficiency of the rice field water. At the same time, under the action of the No. 3 spring, the scraper rod can move back and forth to improve the drainage efficiency of the rice field water. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the present invention;

[0020] Figure 3 This is a schematic diagram of the position structure of the discharge pipe and the baffle of the present invention;

[0021] Figure 4 It is a schematic diagram of the position structure of the sleeve and the arc rod of the present invention;

[0022] Figure 5 This is a schematic diagram of the position structure of the filter plate and the slag discharge frame of the present invention;

[0023] Figure 6 For the present invention Figure 5 The enlarged structural diagram of part A in the middle;

[0024] Figure 7 For the present invention Figure 5 The enlarged structural diagram of part B is shown in the figure.

[0025] In the figure: 1. Equipment frame; 101. Water inlet; 102. Water outlet; 2. Purification frame; 3. Ecological adsorption frame; 4. Storage frame; 5. Servo motor; 6. Drive shaft; 7. Discharge pipe; 8. Receiver rod; 9. Baffle; 10. Partition; 11. Casing; 12. Arc rod; 13. Stirring plate; 14. No. 1 spring; 151. Receiver shaft; 152. Sliding plate; 153. Slag discharge frame; 154. Lifting plate; 155. Horizontal plate; 156. No. 2 spring; 157. Limiting groove; 161. Filter plate; 162. Scraper rod; 163. Connecting rod; 164. Moving rod; 165. Fixed rod; 166. Placement groove; 167. No. 3 spring; 168. Card slot. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-Figure 7 One embodiment of the present invention is: a rice field drainage water quality purification device placed on a ridge, including an equipment frame 1, a purification frame 2 is fixedly installed inside the equipment frame 1, an ecological adsorption frame 3 is fixedly installed inside the equipment frame 1, a water inlet 101 is opened on the surface of the equipment frame 1, and a water outlet 102 is opened on the surface of the equipment frame 1. It also includes: a feeding device, the feeding device includes a storage frame 4, a servo motor 5, a transmission shaft 6, a discharge pipe 7, a receiving rod 8, a baffle 9, a partition 10, a sleeve 11, an arc rod 12 and a stirring plate 13, the transmission shaft 6 rotates to drive the sleeve 11 to rotate, the sleeve 11 rotates to drive the arc rod 12 to rotate, the storage frame 4 is fixedly penetrated through the upper and lower walls of the equipment frame 1, and the servo motor 5 is fixedly installed on the storage frame 4. At the top, the transmission shaft 6 is fixedly installed below the servo motor 5, the discharge pipe 7 is fixedly passed through the inner and outer walls of the lower part of the equipment frame 1, the receiving rod 8 is fixedly installed below the storage frame 4, the baffle 9 is slidably installed on the circumferential surface of the receiving rod 8, the partition 10 is fixedly installed on the inner wall of the discharge pipe 7, the sleeve 11 is slidably installed on the circumferential surface of the transmission shaft 6, the arc rod 12 is fixedly installed on the circumferential surface of the sleeve 11, the stirring plate 13 is fixedly installed on the circumferential surface of the transmission shaft 6, and the circumferential surface of the transmission shaft 6 is provided with a threaded groove. The baffle 9 is connected to the transmission shaft 6 by a thread, and the stirring plate 13 rotates to stir the water flow inside the equipment frame 1, thereby improving the reaction effect of the disinfectant and the paddy field water and preventing the toxic substances residual in the pesticide in the paddy field water from flowing back into the river.

[0028] Activated carbon is arranged inside the purification frame 2, aquatic plants are planted inside the ecological adsorption frame 3, the purification frame 2 is set to a water-permeable material, the ecological adsorption frame 3 is set to a water-permeable material, disinfectant is stored inside the storage frame 4, and the paddy field water inside the ridge enters the interior of the equipment frame 1 through the water inlet 101, and flows back to the river through the purification frame 2 and the ecological adsorption frame 3 in turn. The activated carbon inside the purification frame 2 can adsorb heavy metals and other pollutants in the water, and the aquatic plants in the ecological adsorption frame 3 can degrade organic pollutants in the water through metabolism.

[0029] A discharge hole is provided on the surface of the partition 10, the bottom of the inner wall of the storage frame 4 is set as an inclined surface, the bottom of the sleeve 11 is rotatably connected to the baffle 9, and a No. 1 spring 14 is arranged between the receiving rod 8 and the baffle 9. Under the action of the No. 1 spring 14, the baffle 9 moves upward and re-closes the discharge pipe 7 to prevent the reactants inside the storage frame 4 from agglomerating in a humid environment when not working, thereby increasing the processing cost and affecting the subsequent purification effect.

[0030] When this embodiment is working: the equipment frame 1 is placed in the ridge, the paddy field water inside the ridge enters the interior of the equipment frame 1 through the water inlet 101, and passes through the purification frame 2 and the ecological adsorption frame 3 in turn and flows back to the river, the activated carbon inside the purification frame 2 can adsorb heavy metals and other pollutants in the water, and the aquatic plants in the ecological adsorption frame 3 can degrade organic pollutants in the water through metabolism, and the servo motor 5 is started at the same time, the output end of the servo motor 5 rotates to drive the transmission shaft 6 to rotate, the transmission shaft 6 rotates through the threaded groove to drive the baffle 9 to move downward, the baffle 9 moves downward to release the closure of the discharge pipe 7, and after the closure is released, the disinfectant inside the storage frame 4 is sprinkled above the baffle 9 through the discharge hole on the surface of the partition 10, and at the same time the transmission shaft 6 rotates to drive The movable sleeve 11 rotates, and the rotation of the sleeve 11 drives the arc rod 12 to rotate. The arc rod 12 rotates to evenly sprinkle the disinfectant above the baffle 9 inside the equipment frame 1. At this time, the transmission shaft 6 rotates to drive the stirring plate 13 to rotate. The stirring plate 13 rotates to stir the water flow inside the equipment frame 1, thereby improving the reaction effect between the disinfectant and the paddy field water and preventing the toxic substances remaining in the pesticide in the paddy field water from flowing back into the river. During the downward movement of the baffle 9, the No. 1 spring 14 is squeezed to contract. When the equipment stops working, the baffle 9 moves upward under the action of the No. 1 spring 14 and re-closes the discharge pipe 7 to prevent the reactant inside the storage frame 4 from agglomerating in a humid environment when not working, thereby increasing the processing cost and affecting the subsequent purification effect.

[0031] See also Figure 1-Figure 7On the basis of the above embodiment, in another embodiment of the present invention, an anti-deposition device for discharging sediment is provided inside the equipment frame 1, and the anti-deposition device includes a receiving shaft 151 and a sliding plate 152, the receiving shaft 151 is fixedly installed below the stirring plate 13, and the sliding plate 152 is slidably installed at the bottom of the inner wall of the equipment frame 1, and the anti-deposition device also includes a slag discharge frame 153, a lifting plate 154 and a horizontal plate 155. When the sliding plate 152 moves toward the direction close to the water inlet 101, it drives the horizontal plate 155 to move, and the movement of the horizontal plate 155 can move the sediment at the bottom of the inner wall of the equipment frame 1 to the direction close to the slag discharge frame 153. The lifting plate 154 is slidably installed on the inner wall of the slide groove, and the cross plate 155 is fixedly installed on the surface of the sliding plate 152. A No. 2 spring 156 is arranged between the lifting plate 154 and the bottom of the inner wall of the slide groove. The lifting plate 154 moves downward to push the sediment to the outside, which can effectively prevent the sediment inside the equipment frame 1 from accumulating more and more, resulting in excessive accumulation of mud and sand therein and clogging the surface of the purification frame 2, thereby affecting the subsequent purification effect.

[0032] A limiting groove 157 is provided on the surface of the sliding plate 152 , and one end of the receiving shaft 151 away from the stirring plate 13 is arranged inside the limiting groove 157 . The receiving shaft 151 rotates and drives the sliding plate 152 to move back and forth laterally under the action of the limiting groove 157 .

[0033] The side of the lifting plate 154 close to the horizontal plate 155 is set as bevel surface 1, and the side of the horizontal plate 155 close to the lifting plate 154 is set as bevel surface 2. The horizontal plate 155 moves through the bevel surface 1 and the bevel surface 2 to drive the lifting plate 154 to move downward.

[0034] The interior of the equipment frame 1 is provided with an anti-clogging device for preventing plant residues from clogging the water inlet 101. The anti-clogging device includes a filter plate 161 and a scraper rod 162. The filter plate 161 is fixedly mounted on the inner wall of the water inlet 101. The scraper rod 162 is slidably mounted on the surface of the filter plate 161. The anti-clogging device also includes a connecting rod 163, a moving rod 164 and a fixed rod 165. During the movement of the cross plate 155, the moving rod 164 is contacted and squeezed to move toward the direction of the filter plate 161. The movement of the moving rod 164 drives the connecting rod 163 to rotate around the moving rod 164. The surface of the equipment frame 1 A placement groove 166 is provided, and the bottom of the scraper rod 162 is slidably connected to the inner wall of the placement groove 166. The connecting rod 163 is rotatably installed on the surface of the scraper rod 162, and the movable rod 164 rotates and passes through the end of the connecting rod 163 away from the scraper rod 162. The fixed rod 165 is fixedly installed on the inner wall of the placement groove 166. The movement of the scraper rod 162 can effectively scrape the plant residues accumulated on the surface of the filter plate 161 to both sides, so as to prevent the residual plants in the rice field water from accumulating on the surface of the filter plate 161 under the action of the water flow and causing blockage, thereby reducing the flow rate of the water flow, thereby affecting the drainage efficiency of the rice field water.

[0035] A No. 3 spring 167 is arranged between the scraper rod 162 and the inner wall of the placement groove 166, and a slot 168 is opened on the surface of the slag discharge frame 153. The slot 168 is convenient for storing the movable rod 164. The fixed rod 165 slides through the left and right walls of the scraper rod 162, and the scraper rod 162 moves to squeeze the No. 3 spring 167 to contract. When the cross plate 155 is reset and out of contact with the movable rod 164, the scraper rod 162 is reset under the action of the No. 3 spring 167, thereby realizing the reciprocating movement of the scraper rod 162 and improving the efficiency of draining water from the rice field.

[0036] When this embodiment is working: the stirring plate 13 drives the receiving shaft 151 to rotate around the transmission shaft 6 during rotation. The receiving shaft 151 drives the sliding plate 152 to move back and forth laterally under the action of the limiting groove 157. When the sliding plate 152 moves in the direction close to the water inlet 101, it drives the cross plate 155 to move. The movement of the cross plate 155 can push the sediment at the bottom of the inner wall of the equipment frame 1 in the direction close to the slag discharge frame 153. The cross plate 155 moves to contact and squeeze the lifting plate 154 to move downward. The lifting plate 154 moves downward to push the sediment to the outside, which can effectively prevent the sediment inside the equipment frame 1 from accumulating more and more, resulting in excessive accumulation of mud and sand therein and clogging the surface of the purification frame 2, thereby affecting the subsequent purification effect. At the same time, the movement of the cross plate 155 can effectively prevent the sediment from being re-dispersed in the water flow during the pushing process, thereby improving the effect of sediment removal.

[0037] During the movement of the horizontal plate 155, it contacts and squeezes the moving rod 164 to move in the direction close to the filter plate 161. The movement of the moving rod 164 drives the connecting rod 163 to rotate around the moving rod 164. The rotation of the connecting rod 163 drives the scraper rod 162 to move on the surface of the filter plate 161. The movement of the scraper rod 162 can effectively scrape the plant residues accumulated on the surface of the filter plate 161 to both sides, so as to prevent the residual plants in the rice field water from accumulating on the surface of the filter plate 161 under the action of the water flow and causing blockage, thereby reducing the flow rate of the water flow, thereby affecting the drainage efficiency of the rice field water. At the same time, the scraper rod 162 moves to squeeze the No. 3 spring 167 to contract. When the horizontal plate 155 is reset and disengaged from the moving rod 164, the scraper rod 162 is reset under the action of the No. 3 spring 167, thereby realizing the reciprocating movement of the scraper rod 162, thereby improving the drainage efficiency of the rice field water.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rice field drainage water purification device placed on a ridge, comprising a device frame (1), a purification frame (2) fixedly installed inside the device frame (1), an ecological adsorption frame (3) fixedly installed inside the device frame (1), a water inlet (101) opened on the surface of the device frame (1), and a water outlet (102) opened on the surface of the device frame (1), characterized in that: Also includes: A feeding device, the feeding device comprising a material storage frame (4), a servo motor (5), a transmission shaft (6), a discharge pipe (7), a receiving rod (8), a baffle (9), a partition (10), a sleeve (11), an arc rod (12) and a stirring plate (13), the material storage frame (4) fixedly passes through the upper and lower walls of the equipment frame (1), the servo motor (5) is fixedly installed above the material storage frame (4), the transmission shaft (6) is fixedly installed below the servo motor (5), the discharge pipe (7) fixedly passes through the lower inner and outer walls of the equipment frame (1), the receiving rod (8) is fixedly installed below the material storage frame (4), the baffle (9) is slidably installed on the circumferential surface of the receiving rod (8), and the partition (10) The sleeve (11) is fixedly mounted on the inner wall of the discharge pipe (7), the sleeve (11) is slidably mounted on the circumferential surface of the transmission shaft (6), the arc rod (12) is fixedly mounted on the circumferential surface of the sleeve (11), the stirring plate (13) is fixedly mounted on the circumferential surface of the transmission shaft (6), the circumferential surface of the transmission shaft (6) is provided with a threaded groove, the baffle (9) is connected to the transmission shaft (6) by a thread, the surface of the partition (10) is provided with a discharge hole, the storage frame (4) stores disinfectant inside, the bottom of the inner wall of the storage frame (4) is set as an inclined surface, the lower part of the sleeve (11) is rotatably connected to the baffle (9), and a No. 1 spring (14) is provided between the receiving rod (8) and the baffle (9); Wherein, an anti-deposition device for discharging sediment is arranged inside the equipment frame (1), and the anti-deposition device comprises a receiving shaft (151) and a sliding plate (152), wherein the receiving shaft (151) is fixedly mounted below the stirring plate (13), and the sliding plate (152) is slidably mounted on the bottom of the inner wall of the equipment frame (1); Wherein, an anti-clogging device for preventing plant residues from clogging the water inlet (101) is arranged inside the equipment frame (1), and the anti-clogging device comprises a filter plate (161) and a scraper rod (162), wherein the filter plate (161) is fixedly mounted on the inner wall of the water inlet (101), and the scraper rod (162) is slidably mounted on the surface of the filter plate (161); The anti-deposition device further comprises a slag discharge frame (153), a lifting plate (154) and a transverse plate (155); the slag discharge frame (153) is fixedly passed through the inner and outer walls of the equipment frame (1); a slide groove is provided at the bottom of the inner wall of the equipment frame (1); the lifting plate (154) is slidably mounted on the inner wall of the slide groove; the transverse plate (155) is fixedly mounted on the surface of the sliding plate (152); a second spring (156) is provided between the lifting plate (154) and the bottom of the inner wall of the slide groove; a side of the lifting plate (154) close to the transverse plate (155) is provided as a first bevel; a side of the transverse plate (155) close to the lifting plate (154) is provided as a second bevel; a clamping groove (168) is provided on the surface of the slag discharge frame (153); The anti-blocking device further comprises a connecting rod (163), a movable rod (164) and a fixed rod (165); a placement groove (166) is provided on the surface of the equipment frame (1); the bottom of the scraper rod (162) is slidably connected to the inner wall of the placement groove (166); the connecting rod (163) is rotatably mounted on the surface of the scraper rod (162); the movable rod (164) is rotatably penetrated through one end of the connecting rod (163) away from the scraper rod (162); and the fixed rod (165) is fixedly mounted on the inner wall of the placement groove (166).

2. The rice field drainage water purification device placed on the ridge of the rice field according to claim 1, characterized in that: Activated carbon is arranged inside the purification frame (2), aquatic plants are planted inside the ecological adsorption frame (3), the purification frame (2) is made of a water-permeable material, and the ecological adsorption frame (3) is made of a water-permeable material.

3. The rice field drainage water purification device placed on the ridge of the rice field according to claim 2, characterized in that: A limiting groove (157) is provided on the surface of the sliding plate (152), and one end of the receiving shaft (151) away from the stirring plate (13) is arranged inside the limiting groove (157).

4. The rice field drainage water purification device placed on the ridge of the rice field according to claim 3 is characterized by: A No. 3 spring (167) is provided between the scraper rod (162) and the inner wall of the placement groove (166), and the fixing rod (165) slides through the left and right walls of the scraper rod (162).

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