Bypass type fertilizer applicator

Abstract

The utility model discloses a bypass type fertilizer applicator, which relates to the technical field of greenhouse water and fertilizer integration and comprises a main pipeline, an input end of the main pipeline is communicated with a main irrigation pump, an input end pipeline of the main irrigation pump is communicated with a fresh water tank, one side of the surface of the main pipeline is communicated with a water outlet pipe, and the other side of the surface of the main pipeline is communicated with a water inlet pipe. An electric control valve, a first pressure reducing valve, an EC sensor, a pH sensor and a pressure switch are sequentially and fixedly connected from the input end to the output end of the water inlet pipe, the output end of the water inlet pipe is communicated with a distribution pipe, the distribution pipe is uniformly communicated with five groups of Venturi pipes, and the five groups of Venturi pipes are all communicated with a fertilizer tank and an acid tank through pipelines. The water inlet pipe is communicated with a compensation pipe, the output ends of the five groups of Venturi pipes and the compensation pipe are communicated with a water collecting pipe, the output end of the water collecting pipe is communicated with a conveying pump, the output end of the conveying pump is communicated with a mixing chamber through a pipeline, and the device has the characteristics of precise fertilizer preparation and automatic irrigation.

Description

Technical Field

[0001] The utility model relates to the technical field of greenhouse water-fertilizer integration, in particular to a bypass fertilizer applicator. Background Art

[0002] Water resources are becoming increasingly scarce in countries around the world, and avoiding waste is more important than ever. With the continuous rise in horticultural production costs, in order to more efficiently and accurately utilize water resources, fertilizer resources, soil resources, and increasingly scarce and expensive labor resources, meet the needs of integrated irrigation of field soil and substrate water and fertilizer, and realize unattended irrigation, it is necessary to design a bypass fertilizer applicator with precise fertilizer distribution and automatic irrigation. Utility Model Content

[0003] The utility model aims to provide a bypass fertilizer applicator to solve the problems raised in the above-mentioned background technology in view of the existing technical defects.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a bypass fertilizer applicator, comprising a main pipeline, the input end of the main pipeline is connected to a main irrigation pump, the input end pipeline of the main irrigation pump is connected to a fresh water tank, one side of the surface of the main pipeline is connected to a water outlet pipe, and the other side of the surface of the main pipeline is connected to a water inlet pipe;

[0005] The input end and the output end of the water inlet pipe are fixedly connected in sequence with an electric control valve, a pressure reducing valve, an EC sensor, a pH sensor, and a pressure switch;

[0006] The output end of the water inlet pipe is connected with a pipe, and the pipe is evenly connected with five groups of venturi tubes, and the five groups of venturi tubes are all connected with a fertilizer tank and an acid tank through pipes;

[0007] The water inlet pipe is connected with a compensation pipe, the output ends of the five groups of venturi tubes and the compensation pipe are connected with a water collecting pipe, the output end of the water collecting pipe is connected with a delivery pump, the output end pipeline of the delivery pump is connected with a mixing chamber, and the output end of the mixing chamber is connected with a water outlet pipe;

[0008] The output end of the main pipeline is connected to four groups of irrigation pipes. A rack is set on one side of the main pipeline. The water inlet pipe, water outlet pipe, distribution pipe, compensation pipe, water collecting pipe, venturi tube and delivery pump are all fixedly connected to the rack. A process computer is fixedly connected to the upper side of the rack.

[0009] The utility model further illustrates that the water inlet pipe is located on the right side of the water outlet pipe, and the fertilizer tank and the acid tank are located on one side of the fresh water tank.

[0010] The utility model further illustrates that a second pressure reducing valve is fixedly connected to the compensating pipe, and an air release valve is fixedly connected to the water collecting pipe.

[0011] The utility model further illustrates that a pressure stabilizing valve and a pressure valve are fixedly connected to the water outlet pipe in sequence from the input end to the output end.

[0012] The utility model further illustrates that a flow sensor and a second pressure-stabilizing valve are fixedly connected to the main pipe, the flow sensor is located on the right side of the water inlet pipe, the second pressure-stabilizing valve is located on the right side of the flow sensor, and the four groups of irrigation pipes are all fixedly connected with irrigation valves.

[0013] The utility model further illustrates that the main irrigation pump, the electric control valve, the pressure reducing valve 1, the EC sensor, the pH sensor, the pressure switch, the pressure reducing valve 2, the air release valve, the delivery pump, the pressure regulating valve 1, the pressure valve, the flow sensor, the pressure regulating valve 2, and the irrigation valve are all connected to the process computer signal.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the utility model uses a venturi tube to mix fertilizer and acid, and a compensation tube to mix and replenish water, so that the fertilizer and acid are evenly mixed in the mixing chamber;

[0015] By setting the outlet pipe on the left side of the water inlet pipe and close to the input end of the main pipe, when the fertilizer water is mixed with the fresh water in the main pipe, the irrigation water flows into the water inlet. The EC value and pH value of the irrigation water are adjusted in time through the EC sensor and pH sensor to ensure the accuracy of the irrigation water concentration and improve the irrigation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the top view of the right front side of the overall structure of the frame of the utility model;

[0019] Figure 3 It is a schematic diagram of the right rear side top view of the overall structure of the frame of the utility model;

[0020] In the figure: 1. Main pipeline; 2. Main irrigation pump; 3. Fresh water tank; 4. Outlet pipe; 5. Inlet pipe; 6. Electric control valve; 7. Pressure reducing valve 1; 8. EC sensor; 9. pH sensor; 10. Pressure switch; 11. Piping; 12. Venturi tube; 13. Fertilizer tank; 14. Acid tank; 15. Compensation pipe; 16. Pressure reducing valve 2; 17. Water collecting pipe; 18. Air release valve; 19. Delivery pump; 20. Mixing chamber; 21. Pressure regulating valve 1; 22. Pressure valve; 23. Flow sensor; 24. Pressure regulating valve 2; 25. Irrigation pipe; 26. Irrigation valve; 27. Rack; 28. Process computer. DETAILED DESCRIPTION

[0021] The following is a further non-limiting detailed description of the technical solution of the utility model in conjunction with the preferred embodiments and the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-3 The utility model provides a technical solution: a bypass fertilizer applicator, comprising a main pipeline 1, the input end of the main pipeline 1 is connected to a main irrigation pump 2, the input end pipeline of the main irrigation pump 2 is connected to a fresh water tank 3, one side of the surface of the main pipeline 1 is connected to a water outlet pipe 4, the other side of the surface of the main pipeline 1 is connected to a water inlet pipe 5, and the water inlet pipe 5 is located on the right side of the water outlet pipe 4;

[0023] The water inlet pipe 5 is fixedly connected with an electric control valve 6, a pressure reducing valve 7, an EC sensor 8, a pH sensor 9, and a pressure switch 10 in sequence from the input end to the output end;

[0024] The EC sensor 8 is used to detect the soluble salt concentration of the fertilizer water, the pH sensor 9 is used to detect the pH value of the fertilizer water, the pressure reducing valve 7 is used to reduce the water flow pressure at the input end of the water inlet pipe 5, and the pressure switch 10 is used to monitor whether the water pressure in the water inlet pipe 5 meets the requirements.

[0025] The output end of the water inlet pipe 5 is connected with a pipe 11, and five groups of venturi tubes 12 are evenly connected to the pipe 11. The five groups of venturi tubes 12 are all connected with a fertilizer tank 13 and an acid tank 14 through pipelines. The fertilizer tank 13 and the acid tank 14 are located on one side of the fresh water tank 3;

[0026] The water inlet pipe 5 is connected to a compensation pipe 15 , to which a second pressure reducing valve 16 is fixedly connected. The five groups of venturi tubes 12 and the output end of the compensation pipe 15 are connected to a water collecting pipe 17 , to which an air release valve 18 is fixedly connected.

[0027] The output end of the water collecting pipe 17 is connected to a delivery pump 19, the output end pipeline of the delivery pump 19 is connected to a mixing chamber 20, the output end of the mixing chamber 20 is connected to a water outlet pipe 4, and a pressure stabilizing valve 21 and a pressure valve 22 are fixedly connected to the water outlet pipe 4 from the input end to the output end. The pressure stabilizing valve 21 is used to control the stability of the water pressure in the water outlet pipe 4, and the pressure valve 22 is used to automatically open the valve when the pressure in the water outlet pipe 4 reaches a certain value.

[0028] A flow sensor 23 and a second pressure-stabilizing valve 24 are fixedly connected to the main pipeline 1. The flow sensor 23 is located on the right side of the water inlet pipe 5 and is used to detect the flow of fertilizer water in the output end of the main pipeline 1. The second pressure-stabilizing valve 24 is located on the right side of the flow sensor 23 and is used to control the water pressure stability in the output end of the main pipeline 1. The output end of the main pipeline 1 is connected to four groups of irrigation pipes 25, and irrigation valves 26 are fixedly connected to the four groups of irrigation pipes 25.

[0029] A frame 27 is provided on one side of the main pipeline 1, and the water inlet pipe 5, the water outlet pipe 4, the distribution pipe 11, the compensation pipe 15, the water collecting pipe 17, the venturi tube 12, and the delivery pump 19 are all fixedly connected to the frame 27;

[0030] A process computer 28 is fixedly connected to the upper side of the frame 27, and the main irrigation pump 2, the electric control valve 6, the pressure reducing valve 1 7, the EC sensor 8, the pH sensor 9, the pressure switch 10, the pressure reducing valve 2 16, the air release valve 18, the delivery pump 19, the pressure regulating valve 1 21, the pressure valve 22, the flow sensor 23, the pressure regulating valve 2 24, and the irrigation valve 26 are all connected to the process computer 28 signal.

[0031] In this embodiment, the main irrigation pump 2 is started, and fresh water is supplied from the fresh water tank 3 into the main pipeline 1. At this time, the pressure valve 22 and the irrigation valve 26 are closed, and the electric control valve 6 is opened to allow fresh water to flow in from the input end of the water inlet pipe 5. When the water pressure in the water inlet pipe 5 reaches a certain value, the pressure switch 10 is opened, and the fresh water flows into the venturi tube 12 through the pipe 11;

[0032] At the same time, the fertilizer in the fertilizer tank 13 is transported to the venturi tube 12 through a pipeline, and the number of the venturi tube 12 pipes receiving the fertilizer is not more than 4 groups, and the acid in the acid tank 14 is transported to the venturi tube 12 through a pipeline, and the number of the venturi tube 12 pipes receiving the acid is not more than 1 group;

[0033] Fresh water is passed into five sets of venturi tubes 12 and the fertilizer and acid in the venturi tubes 12 are brought into the water collecting pipe 17. The pressure difference in the venturi tubes 12 is detected by the second pressure reducing valve 16 on the compensation pipe 15, and a certain amount of fresh water is transported through the compensation pipe 15 into the water collecting pipe 17 for compensation mixing;

[0034] Fresh water, fertilizer and acid enter the mixing chamber 20 for uniform mixing and then flow into the outlet pipe 4. The pressure value of the fertilizer water entering the main pipeline 1 is set by the pressure valve 22. When a certain pressure value is reached in the outlet pipe 4, the valve is automatically opened to allow the fertilizer water to flow into the main pipeline 1. After the fertilizer water is mixed with the water in the main pipeline 1, most of it flows into the irrigation pipe 25, and part of it enters the inlet pipe 5 for further mixing. The EC sensor 8 and the pH sensor 9 on the inlet pipe 5 respectively detect the soluble salt concentration and the pH value of the inflowing fertilizer water, and the process computer 28 adjusts the ratio of the fertilizer and acid in the five groups of venturi tubes 12, so that the concentration of the fertilizer water can be accurately controlled for irrigation.

[0035] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0036] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit them. Although the utility model is described in detail with reference to the above embodiments, a person skilled in the art should understand that the technical solutions described in the above embodiments can still be modified, or some of the technical features can be replaced by equivalents, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A bypass fertilizer applicator, comprising a main pipeline (1), characterized in that: The input end of the main pipeline (1) is connected to a main irrigation pump (2), the input end pipeline of the main irrigation pump (2) is connected to a fresh water tank (3), one side of the surface of the main pipeline (1) is connected to a water outlet pipe (4), and the other side of the surface of the main pipeline (1) is connected to a water inlet pipe (5), and the water inlet pipe (5) is located on the right side of the water outlet pipe (4); An electric control valve (6), a pressure reducing valve (7), an EC sensor (8), a pH sensor (9), and a pressure switch (10) are fixedly connected in sequence from the input end to the output end of the water inlet pipe (5); The output end of the water inlet pipe (5) is connected to a pipe (11), and the pipe (11) is evenly connected to five groups of venturi tubes (12), and the five groups of venturi tubes (12) are all connected to a fertilizer tank (13) and an acid tank (14) through pipelines; The water inlet pipe (5) is connected to a compensation pipe (15), the output ends of the five groups of venturi tubes (12) and the compensation pipe (15) are connected to a water collecting pipe (17), the output end of the water collecting pipe (17) is connected to a delivery pump (19), the output end pipeline of the delivery pump (19) is connected to a mixing chamber (20), and the output end of the mixing chamber (20) is connected to a water outlet pipe (4); The output end of the main pipeline (1) is connected to four groups of irrigation pipes (25). A frame (27) is provided on one side of the main pipeline (1). The water inlet pipe (5), the water outlet pipe (4), the distribution pipe (11), the compensation pipe (15), the water collecting pipe (17), the venturi tube (12), and the delivery pump (19) are all fixedly connected to the frame (27). A process computer (28) is fixedly connected to the upper side of the frame (27).

2. A bypass fertilizer spreader according to claim 1, characterized in that: The fertilizer tank (13) and the acid tank (14) are located on one side of the fresh water tank (3).

3. A bypass fertilizer applicator according to claim 2, characterized in that: The compensating pipe (15) is fixedly connected to a second pressure reducing valve (16), and the water collecting pipe (17) is fixedly connected to an air release valve (18).

4. A bypass fertilizer applicator according to claim 3, characterized in that: The water outlet pipe (4) is fixedly connected with a pressure stabilizing valve (21) and a pressure valve (22) in sequence from the input end to the output end.

5. A bypass fertilizer applicator according to claim 4, characterized in that: A flow sensor (23) and a second pressure-stabilizing valve (24) are fixedly connected to the main pipeline (1); the flow sensor (23) is located on the right side of the water inlet pipe (5); the second pressure-stabilizing valve (24) is located on the right side of the flow sensor (23); and the four groups of irrigation pipes (25) are all fixedly connected to irrigation valves (26).

6. A bypass fertilizer applicator according to claim 5, characterized in that: The main irrigation pump (2), the electric control valve (6), the pressure reducing valve 1 (7), the EC sensor (8), the pH sensor (9), the pressure switch (10), the pressure reducing valve 2 (16), the air release valve (18), the delivery pump (19), the pressure regulating valve 1 (21), the pressure valve (22), the flow sensor (23), the pressure regulating valve 2 (24), and the irrigation valve (26) are all connected to the process computer (28) by signal.

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