A uniform mixed water and fertilizer sprinkling irrigation equipment

Abstract

The application discloses a kind of evenly mixed water and fertilizer sprinkling irrigation equipment, it is related to farmland irrigation technical field, including vehicle body, vehicle body is connected with several upper spray pipes, upper spray pipe rotatably connected with rotating rod, rotating rod outer sliding sleeve is equipped with spray head, and spray head includes nozzle;Upper spray pipe is provided with variable-diameter groove, and spray head is connected with sliding shaft, and sliding shaft is slidably arranged in variable-diameter groove, when spray head rotates to the direction perpendicular to ground, the distance between rotating rod and nozzle becomes larger.The device is easy to operate, can realize the uniform mixing of water and fertilizer, and can also adjust the spraying range according to the height of farmland crops, so that the spraying range can be adapted to the situation of crops, which is beneficial to better sprinkling irrigation work in farmland.

Description

Technical Field

[0001] This invention relates to the field of farmland irrigation technology, specifically to a water and fertilizer spraying equipment for uniform mixing. Background Technology

[0002] Fertilization refers to agricultural techniques that involve applying fertilizer to the soil or spraying it on plants to provide them with the nutrients they need and to maintain and improve soil fertility. The main purpose of fertilization is to increase crop yield, improve crop quality, enrich the soil, and enhance economic benefits. Therefore, rational and scientific fertilization is one of the main means of ensuring food security and maintaining sustainable agricultural development.

[0003] Fertilization methods include root soil fertilization and foliar fertilization. Foliar fertilization, as a fertilization measure to enhance crop nutrition and prevent certain nutrient deficiency symptoms, has been rapidly promoted and applied. Practice has proven that foliar fertilization is one of the fertilization techniques with rapid fertilizer effect, high fertilizer utilization rate, and low dosage.

[0004] Patent CN 115067053 B discloses a novel integrated water and fertilizer irrigation device, comprising a liquid storage frame, a rotating shaft, rollers, a stirring assembly, a handrail, a spray pipe assembly, a corner assembly, and a liquid inlet. The liquid storage frame is fixedly connected to a partition plate inside. The rotating shaft is symmetrically rotatably connected to the front and back of the liquid storage frame. The left and right ends of the rotating shaft pass through the liquid storage frame and are fixedly connected to rollers. A stirring assembly is installed in the middle of the rotating shaft at the front. A handrail is fixedly connected to the front end of the liquid storage frame. A spray pipe assembly is rotatably connected to the upper end of the liquid storage frame. A corner assembly is installed on the upper end of the liquid storage frame.

[0005] However, it still has the following problems:

[0006] 1. When the nozzle is clogged, the crops below the clogged nozzle will not be sprayed. If this is not detected and remedied in time, the entire row of crops may not be sprayed with the solution, which will affect crop growth.

[0007] 2. The nozzles cannot be adjusted up and down or the spray range, thus they are not well-suited for irrigation of crops at different growth heights, resulting in low practicality. Summary of the Invention

[0008] To address the problems existing in the prior art, a water and fertilizer spraying device that provides uniform mixing is provided.

[0009] The technical solution adopted by this invention to solve its technical problem is:

[0010] This invention proposes a uniformly mixed water and fertilizer sprinkler irrigation device, including a vehicle body, the vehicle body being connected to a plurality of upper spray pipes, each upper spray pipe being rotatably connected to a rotating rod, and a nozzle being slidably sleeved on the rotating rod, the nozzle including a nozzle; the upper spray pipes having a variable diameter groove, the nozzle being connected to a sliding shaft, the sliding shaft being slidably disposed within the variable diameter groove, and when the nozzle rotates in a direction perpendicular to the ground, the distance between the rotating rod and the nozzle increases.

[0011] Preferably, the vehicle body is fixedly connected to a rotating shaft, the rotating shaft is rotatably connected to a large gear, and a driven gear is fixedly sleeved on the rotating rod, with the large gear and the driven gear meshing.

[0012] Preferably, the rotating shaft is rotatably connected to a pinion, the vehicle body is slidably connected to a vertically moving slide rod, and a rack is fixedly connected to one side of the slide rod, the rack meshing with the pinion.

[0013] Preferably, the large gear has several slots, and the small gear is slidably connected to a rod that can slide into the slots. The rod is connected to the small gear via a tension spring.

[0014] Preferably, the vehicle body is connected to an electric push rod, the electric push rod includes a push rod, the sliding direction of the push rod is parallel to the ground, the push rod has a plurality of inclined grooves, and one end of the slide rod is slidably disposed in the inclined groove.

[0015] Preferably, the upper spray pipe is slidably connected to a push rod, the push rod is connected to the upper spray pipe through a compression spring, and the push rod is located on one side of the insert rod.

[0016] Preferably, the vehicle body is rotatably connected to several drive shafts, the drive shafts are arranged between two upper spray pipes, a water wheel gear is rotatably connected inside the upper spray pipe, the water wheel gear meshes with the push rod, one end of the drive shaft is fixedly connected to the water wheel gear, and the other end is fixedly connected to the water wheel, the water wheel is arranged in adjacent nozzles.

[0017] Preferably, the large gear is connected to the upper spray pipe via a torsion spring, and the elastic force of the torsion spring can cause the nozzle to rotate into an inclined state; when the water wheel drives the water wheel gear to rotate, the water wheel gear drives the push rod to rise, causing the compression spring to compress; when the compression spring drives the push rod to fall, the push rod can drive the insertion rod to move out of the slot.

[0018] Preferably, the vehicle body is connected to an electric telescopic leg, and the vehicle body is fixedly connected to a plurality of infrared receivers and a plurality of infrared transmitters that cooperate with the infrared receivers. The electric telescopic leg, infrared transmitters, infrared receivers and electric push rod are connected to a controller.

[0019] Preferably, the vehicle body is fixedly connected to a mixing tank and a fertilizer tank, the mixing tank is connected to a water supply pipe and the fertilizer tank, the vehicle body is connected to a water spray pipe, the water spray pipe is connected to a corresponding nozzle through a connecting pipe, and also includes a spray pump for transporting water from the mixing tank to the water spray pipe.

[0020] Compared with the prior art, the beneficial effects of the present invention are:

[0021] 1. This application is equipped with a rotatable nozzle. Through the infrared receiver and infrared transmitter, the height of the crop can be determined, thereby controlling the electric actuator to move different distances. The electric actuator can drive the nozzle to rotate. When the crop is tall, the nozzle rotates in a direction perpendicular to the ground. At this time, the distance between the rotating rod and the nozzle increases, and the electric telescopic leg extends, thereby keeping the spraying range unchanged. It is suitable for tall crops and can adaptively adjust the spraying range according to the height of the crops in the field, so that the spraying range can be adapted to the crop conditions, which is conducive to better sprinkler irrigation in the field.

[0022] 2. This application is equipped with gears. When the electric actuator moves, it can drive the inclined groove to move. The inclined groove can drive the slide rod to rise. The slide rod can drive the small gear to rotate. The small gear can drive the large gear to rotate. The large gear can drive the rotating rod to rotate. The rotating rod can drive the nozzle to rotate. Thus, when the electric actuator moves, it can drive several nozzles to rotate simultaneously. No complicated control is required. The operation is simple and the overall structure is reasonable.

[0023] 3. This application is equipped with a water wheel. When water passes through the nozzle, the water wheel drives the top rod to rise, and the tension spring causes the insertion rod to slide into the slot. At this time, the small gear can drive the large gear to rotate. When the nozzle is blocked, the water wheel cannot rotate, the compression spring drives the top rod to reset, and the top rod drives the insertion rod to move out of the slot. At this time, the torsion spring will drive the large gear to reset, thereby driving the nozzle to rotate at an inclined angle, so that the adjacent nozzles spray the position of the blocked nozzle, thus preventing the spraying efficiency from being affected by blockage, and effectively improving the efficiency and quality of spraying.

[0024] 4. This application is equipped with a mixing tank, and the motor can drive the mixing shaft to rotate. The mixing shaft can drive the traveling wheels to make circular motion. When the traveling wheels move, they can drive the baffle rod to rotate around the mixing shaft, which can better facilitate the mixing work of the mixing tank and achieve uniform mixing of water and fertilizer, thus facilitating the subsequent irrigation work. Attached Figure Description

[0025] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0026] Figure 1 This is a three-dimensional view of the entire invention;

[0027] Figure 2 This is the overall front view of the invention;

[0028] Figure 3 This is the overall main view of the invention (in its working state);

[0029] Figure 4 yes Figure 3 Side view of the central jacking rod section;

[0030] Figure 5 yes Figure 1 Schematic diagram of the middle mixing tank;

[0031] Figure 6 This is a schematic diagram of the infrared receiver setup in this invention.

[0032] Explanation of reference numerals in the attached figures:

[0033] 1. Vehicle body; 2. Fertilizer tank; 3. Lower spray pipe; 4. Mixing tank; 5. Water supply pipe; 6. Mixing shaft; 7. Water spray pipe; 8. Baffle rod; 9. Upper spray pipe; 10. Electric push rod; 11. Compression spring; 12. Inclined groove; 13. Sliding rod; 14. Large gear; 15. Small gear; 16. Insert rod; 17. Rotating shaft; 18. Driven gear; 19. Rotating rod; 20. Nozzle; 21. Sliding shaft; 22. Variable diameter groove; 23. Water wheel; 24. Traveling wheel; 25. Top rod; 26. Spray pump; 27. Tension spring; 28. Infrared receiver; 29. ​​Slot; 30. Torsion spring; 31. Water wheel gear. Detailed Implementation

[0034] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0035] like Figures 1-6 As shown, this embodiment proposes a uniformly mixed water and fertilizer sprinkler irrigation device, including a vehicle body 1. The vehicle body 1 is connected to an electric telescopic leg. The bottom end of the electric telescopic leg is rotatably connected to a walking wheel 24. The electric telescopic leg can adopt a conventional structure, such as moving the leg by an electric push rod, thereby realizing the telescopic function and thus realizing the height adjustment of the vehicle body 1.

[0036] The vehicle body 1 is connected to a connecting frame, through which the device can be connected to equipment such as tractors, thereby enabling the vehicle body 1 to move as a whole.

[0037] The vehicle body 1 is connected to several upper spray pipes 9, and also to several vertically arranged lower spray pipes 3. Fertilization methods include root soil fertilization and foliar fertilization. The lower spray pipes 3 can achieve root soil fertilization, while the upper spray pipes 9 can achieve foliar fertilization. Foliar fertilization, as a fertilization measure to strengthen crop nutrition and prevent certain nutrient deficiency symptoms, has been rapidly promoted and applied. Practice has proven that foliar fertilization is one of the fertilization techniques with rapid fertilizer effect, high fertilizer utilization rate, and low dosage.

[0038] The upper spray pipe 9 is rotatably connected to a rotating rod 19, and a spray head 20 is slidably sleeved on the outside of the rotating rod 19. The spray head 20 includes a nozzle, which is located at the lower end of the spray head 20 and is used for spraying water and fertilizer. The upper spray pipe 9 has a diameter-changing groove 22, and the spray head 20 is connected to a sliding shaft 21. The sliding shaft 21 is slidably disposed in the diameter-changing groove 22. When the spray head 20 rotates in a direction perpendicular to the ground, the distance between the rotating rod 19 and the nozzle increases.

[0039] Centered on the rotation point of the rotating rod 19, the variable diameter groove 22 is approximately elliptical in shape, rather than a conventional circle. Through the variable diameter groove 22, the rotation of the nozzle 20 is guided. Since the nozzle 20 is slidably sleeved on the rotating rod 19, the rotation of the rotating rod 19 can drive the nozzle 20 to rotate simultaneously. Also, because the variable diameter groove 22 is variable in diameter, the relative sliding between the nozzle 20 and the rotating rod 19 can be achieved when the nozzle 20 rotates, thereby adjusting the distance between the rotating rod 19 and the nozzle and adjusting the spray range.

[0040] The vehicle body 1 is fixedly connected to a rotating shaft 17, and a large gear 14 is rotatably connected to the rotating shaft 17. A driven gear 18 is fixedly sleeved on the rotating rod 19. The large gear 14 and the driven gear 18 mesh with each other. When the large gear 14 rotates, it can drive the driven gear 18 to rotate, thereby driving the rotating rod 19 to rotate. The large gear 14 is connected to the upper spray pipe 9 through a torsion spring 30. The elastic force of the torsion spring 30 can make the nozzle 20 rotate into an inclined state.

[0041] A pinion 15 is rotatably connected to a rotating shaft 17, and a vertically moving slide rod 13 is slidably connected to the vehicle body 1. A rack is fixedly connected to one side of the slide rod 13, and the rack and the pinion 15 mesh together. The slide rod 13 can only slide vertically. When the slide rod 13 moves, it can drive the pinion 15 to rotate. The pinion 15 can only rotate around the rotating shaft 17.

[0042] The large gear 14 has several slots 29, and the small gear 15 is slidably connected to a rod 16 that can slide into the slot 29. The rod 16 is connected to the small gear 15 through a tension spring 27. One end of the tension spring 27 is connected to the rod 16, and the other end is connected to the small gear 15. The number of slots 29 is set sufficiently to facilitate the sliding of the rod 16.

[0043] In the initial state, under the elastic force of the tension spring 27, the insert rod 16 slides into the slot 29. When the pinion 15 rotates, it drives the large gear 14 to rotate via the insert rod 16, thereby adjusting the angle of the nozzle 20 and causing the torsion spring 30 to deform. When the nozzle 20 becomes clogged, the insert rod 16 slides out of the slot 29. At this time, the torsion spring 30 drives the large gear 14 to reset, thereby causing the nozzle 20 to rotate at an inclined angle. This allows adjacent nozzles 20 to spray the clogged nozzle 20, preventing the clogging from affecting the spraying efficiency and effectively improving the efficiency and quality of spraying.

[0044] The vehicle body 1 is connected to an electric push rod 10. The electric push rod 10 includes a push rod. The sliding direction of the push rod is parallel to the ground. The push rod has several inclined grooves 12. One end of the slide rod 13 is slidably disposed in the inclined groove 12. When the electric push rod 10 moves, it can drive the inclined groove 12 to move. The inclined groove 12 can drive the slide rod 13 to rise.

[0045] The slide bar 13 can drive the small gear 15 to rotate, the small gear 15 can drive the large gear 14 to rotate, the large gear 14 can drive the rotating rod 17 to rotate, and the rotating rod 17 can drive the nozzle 20 to rotate. Thus, when the electric push rod 10 moves, it can drive several nozzles 20 to rotate simultaneously without complicated control. The operation is simple and the overall structure is reasonable.

[0046] The upper nozzle 9 is slidably connected to a push rod 25. The push rod 25 is connected to the upper nozzle 9 through a compression spring 11. The push rod 25 is located on one side of the insert rod 16. The upper end of the compression spring 11 is connected to the upper nozzle 9, and the lower end is connected to the push rod 25. Teeth are provided on one side of the push rod 25.

[0047] The vehicle body 1 is rotatably connected to several drive shafts, which are located between two upper spray pipes 9. A water wheel gear 31 is rotatably connected inside the upper spray pipe 9. The teeth of the water wheel gear 31 mesh with the teeth of the push rod 25. One end of the drive shaft is fixedly connected to the water wheel gear 31, and the other end is fixedly connected to the water wheel 23. The water wheel 23 is located inside the adjacent nozzle 20.

[0048] When water flows through the nozzle 20, the water wheel 23 drives the water wheel gear 31 to rotate. The water wheel gear 31 drives the push rod 25 to rise, compressing the pressure spring 11. At this time, the tension spring 27 can drive the insertion rod 16 to slide into the slot 29. When the nozzle 20 is blocked, the corresponding water wheel 23 stops rotating. When the pressure spring 11 drives the push rod 25 to fall, the push rod 25 can drive the insertion rod 16 to move out of the slot 29, so that the nozzle 20 is reset. The adjacent nozzles 20 spray the blocked nozzle 20, so that the efficiency and quality of spraying are not affected by the blockage.

[0049] The spring force of the compression spring 11 is greater than that of the tension spring 27, so that when the push rod 25 descends, it can drive the insertion rod 16 to move out of the slot 29.

[0050] The vehicle body 1 is fixedly connected to several infrared receivers 28 and several infrared transmitters that cooperate with the infrared receivers 28. The electric telescopic legs, infrared transmitters, infrared receivers 28 and electric push rods 10 are connected to a controller. The infrared receivers 28 can receive signals emitted by the infrared transmitters. When the infrared receivers 28 cannot receive infrared signals, it indicates that crops have been detected and the corresponding signals are transmitted to the controller. The controller can determine the height of the crops.

[0051] When the crop is tall, the nozzle 20 rotates in a direction perpendicular to the ground. At this time, the distance between the rotating rod 17 and the nozzle increases, and the electric telescopic leg extends, thereby keeping the spraying range unchanged. This adapts to taller crops and can adaptively adjust the spraying range according to the height of the crops, so that the spraying range can be matched with the crop conditions, which is conducive to better sprinkler irrigation in farmland.

[0052] The vehicle body 1 is fixedly connected to a mixing tank 4 and a fertilizer tank 2. The mixing tank 4 is connected to a water supply pipe 5 and a fertilizer tank 2. The vehicle body 1 is connected to a water spray pipe 7. The water spray pipe 7 is connected to the lower spray pipe 3 through a connecting pipe and a corresponding nozzle 20. It also includes a spray pump 26 that transports water from the mixing tank 4 to the water spray pipe 7. One end of the spray pump 26 is connected to the water spray pipe 7, and the other end is connected to the discharge port of the mixing tank 4. In addition, a pressure pump can be set to increase the pressure for easy spraying.

[0053] The water supply pipe 5 is long enough that the water tank can be installed on agricultural equipment such as tractors. Water is supplied to the mixing tank 4 through the water supply pipe 5, and fertilizer is supplied to the mixing tank 4 through the fertilizer tank 2. Both the water supply pipe 5 and the fertilizer tank 2 are equipped with solenoid valves, which are connected to a controller. By controlling the opening time of the solenoid valves, the ratio of water to fertilizer can be controlled, thereby achieving better mixing of water and fertilizer.

[0054] A motor is fixedly connected to the outer wall of the mixing tank 4, and a stirring shaft 6 is rotatably connected inside the mixing tank 4. One end of the stirring shaft 6 passes through the mixing tank 4 and is connected to the motor. Several baffle rods 8 are rotatably connected to the stirring shaft 6. The baffle rods 8 are fixedly connected to the traveling wheels 24, which can travel along the inner wall of the mixing tank 4.

[0055] The motor can drive the mixing shaft 6 to rotate, and the mixing shaft 6 can drive the traveling wheel 24 to make a circular motion. When the traveling wheel 24 moves, it can drive the turbulence rod 8 to rotate around the mixing shaft 6, which can better facilitate the mixing work of the mixing tank 4 and achieve uniform mixing of water and fertilizer, thus facilitating the subsequent irrigation work.

[0056] The usage method includes the following steps:

[0057] S1: The spray pump 26 pumps water from the mixing tank 4 into the spray pipe 7, and then sprays it out through the nozzle 20. The water flow drives the water wheel 23 to rotate, the water wheel 23 drives the water wheel gear 31 to rotate, the water wheel gear 31 drives the push rod 25 to rise, which compresses the compression spring 11. The tension spring 27 drives the insertion rod 16 to slide into the slot 29, which causes the torsion spring 30 to deform.

[0058] S2: The controller controls the infrared transmitter to work. When the infrared receiver 28 cannot receive the infrared signal, it indicates that the crop has been detected. The corresponding signal is transmitted to the controller, which controls the electric push rod 10 and the electric telescopic leg to work. The electric telescopic leg realizes the adjustment of the height of the vehicle body 1, and the electric push rod 10 drives the push rod to move.

[0059] S3: The push rod drives the inclined groove 12 to move, the inclined groove 12 drives the slide rod 13 to move vertically, the slide rod 13 drives the small gear 15 to rotate, the small gear 15 drives the large gear 14 to rotate, the large gear 14 drives the rotating rod 17 to rotate, the rotating rod 17 drives the nozzle 20 to rotate, and at the same time the sliding shaft 21 slides in the variable diameter groove 22 to realize the relative sliding between the nozzle 20 and the rotating rod 17, so as to realize the simultaneous movement of several nozzles 20;

[0060] S4: When one of the nozzles 20 becomes clogged, the water wheel 23 stops rotating, the tension spring 11 drives the push rod 25 to descend, the push rod 25 drives the insertion rod 16 to move out of the slot 29, at this time the torsion spring 30 drives the large gear 14 to reset, the large gear 14 drives the rotating rod 17 to rotate, so that the distance between the rotating rod 17 and the nozzle is reduced, increasing the spraying range of the adjacent nozzles 20, and the adjacent nozzles 20 spray the position of the clogged nozzle 20.

[0061] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A uniformly mixed water and fertilizer sprinkler irrigation device, comprising a vehicle body (1), characterized in that, The vehicle body (1) is connected to several upper spray pipes (9), and each upper spray pipe (9) is rotatably connected to a rotating rod (19). A nozzle (20) is slidably sleeved on the outside of the rotating rod (19). The nozzle (20) includes a nozzle. The upper spray pipe (9) has a variable diameter groove (22). The nozzle (20) is connected to a sliding shaft (21). The sliding shaft (21) is slidably disposed in the variable diameter groove (22). When the nozzle (20) rotates in a direction perpendicular to the ground, the distance between the rotating rod (19) and the nozzle increases. The vehicle body (1) is fixedly connected to a rotating shaft (17), the rotating shaft (17) is rotatably connected to a large gear (14), and the rotating rod (19) is fixedly sleeved with a driven gear (18), the large gear (14) and the driven gear (18) mesh with each other; The rotating shaft (17) is rotatably connected to a small gear (15), and the vehicle body (1) is slidably connected to a vertically moving slide rod (13). A rack is fixedly connected to one side of the slide rod (13), and the rack and the small gear (15) mesh with each other. The large gear (14) has several slots (29), and the small gear (15) is slidably connected to a rod (16) that can slide into the slot (29). The rod (16) is connected to the small gear (15) through a tension spring (27). The vehicle body (1) is connected to an electric push rod (10), the electric push rod (10) includes a push rod, the sliding direction of the push rod is parallel to the ground, the push rod has several inclined grooves (12), and one end of the slide rod (13) is slidably disposed in the inclined groove (12); The upper spray pipe (9) is slidably connected to a top rod (25), the top rod (25) is connected to the upper spray pipe (9) through a compression spring (11), and the top rod (25) is located on one side of the insert rod (16); The vehicle body (1) is rotatably connected to several drive shafts, which are arranged between two upper spray pipes (9). A water turbine gear (31) is rotatably connected inside the upper spray pipe (9). The water turbine gear (31) meshes with the top rod (25). One end of the drive shaft is fixedly connected to the water turbine gear (31), and the other end is fixedly connected to the water turbine (23). The water turbine (23) is arranged inside the adjacent nozzle (20). The large gear (14) is connected to the upper spray pipe (9) through a torsion spring (30). The elastic force of the torsion spring (30) can make the nozzle (20) rotate into an inclined state. When the water wheel (23) drives the water wheel gear (31) to rotate, the water wheel gear (31) drives the top rod (25) to rise, which compresses the compression spring (11). The tension spring (27) drives the insertion rod (16) to slide into the slot (29). When the compression spring (11) drives the top rod (25) to fall, the top rod (25) can drive the insertion rod (16) to move out of the slot (29).

2. The water and fertilizer sprinkler irrigation equipment with uniform mixing according to claim 1, characterized in that, The vehicle body (1) is connected to an electric telescopic leg. The vehicle body (1) is fixedly connected to a number of infrared receivers (28) and a number of infrared transmitters that cooperate with the infrared receivers (28). The electric telescopic leg, infrared transmitters, infrared receivers (28) and electric push rod (10) are connected to a controller.

3. The water and fertilizer sprinkler irrigation equipment with uniform mixing according to claim 1, characterized in that, The vehicle body (1) is fixedly connected to a mixing tank (4) and a fertilizer tank (2). The mixing tank (4) is connected to a water supply pipe (5) and a fertilizer tank (2). The vehicle body (1) is connected to a water spray pipe (7). The water spray pipe (7) is connected to a corresponding nozzle (20) through a connecting pipe. It also includes a spray pump (26) that transports water in the mixing tank (4) to the water spray pipe (7).

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