Agricultural quantitative fertilization device

Abstract

The utility model relates to an agricultural quantitative fertilization device, which belongs to the technical field of agricultural instruments and comprises a movable frame, a fertilizer storage box, an irrigation pipeline, a Venturi tube, a fertilizer suction tube, a flow meter I, a flow meter II, a regulating valve I, a regulating valve II, a mixing pipeline and a water outlet pipe. And a trapezoidal throttling block is fixed on the mixing pipeline on the right side of the turbulent flow column. According to the utility model, the regulating valve I can be better controlled according to the water inlet quantity of the flowmeter I, the fertilizer absorption quantity is regulated, the fertilizer can be more accurately and quantitatively applied, liquid fertilizer enters the mixing pipeline after being added into water, fluid forms vortex behind the turbulent flow column after bypassing the turbulent flow column, and then the vortex forms vortex when passing through the space between the throttling block and the mixing pipeline. Throttling measures are taken, so that fluid in the mixing pipeline is in a turbulent flow state, mixing of liquid fertilizer and water can be intensified, fertilizer application is more uniform, and the fertilizer application effect is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to an agricultural quantitative fertilization device belongs to agricultural instrument technical field. BACKGROUND

[0002] In the agricultural production process often irrigate and fertilize crops, traditional irrigation and fertilization is carried out separately, and the fertilization is solid fertilizer, now with the use of liquid fertilizer, some irrigation and fertilization integrated equipment appear, by setting up bypass venturi on irrigation pipeline, then through the venturi pipe to suck liquid fertilizer, irrigation and fertilization, but the control of fertilization amount is not accurate enough, and the mixing effect of liquid fertilizer and water after entering the irrigation pipeline is not good, resulting in uneven fertilization, affecting the fertilization effect. SUMMARY

[0003] The utility model provides an agricultural quantitative fertilization device, solves the problem in the above background art.

[0004] The utility model relates to an agricultural quantitative fertilization device, including mobile frame, mobile frame is fixed with the fertilizer storage box, the lower part of fertilizer storage box is equipped with irrigation pipeline, and the parallel connection has venturi of irrigation pipeline, and the throat pipe of venturi is fixed with the fertilizer suction pipe, and the top of fertilizer suction pipe is connected with the bottom outlet of fertilizer storage box, and the left side of venturi is equipped with flowmeter one on irrigation pipeline, and flowmeter two and regulating valve one are equipped on fertilizer suction pipe, and regulating valve two is equipped on the parallel connection section irrigation pipeline of venturi, and the right end of irrigation pipeline is fixed with the mixing pipeline, and the right end of mixing pipeline is fixed with the water outlet pipe, and the bottom of mixing pipeline is fixed with the turbulence column, and the mixing pipeline on the right side of turbulence column is fixed with the trapezoidal throttling block.

[0005] As a kind of preferred, the bottom of mixing pipeline is equipped with the installation insertion hole for the turbulence column insertion, the bottom of turbulence column is fixed with the circular arc-shaped fixed plate matched with the outer wall of mixing pipeline, and the turbulence column is conveniently positioned and installed and fixed.

[0006] As a kind of preferred, the bottom of mixing pipeline is equipped with the positioning spigot, the bottom of throttling block is equipped with the positioning boss matched with positioning spigot, the bottom of positioning boss is fixed with the circular arc-shaped limiting side matched with the outer side wall of mixing pipeline, the top of throttling block is equipped with the throttling plane parallel with the inner wall of mixing pipeline, and the throttling block is conveniently positioned and installed and fixed.

[0007] As a kind of preferred, the two ends of mixing pipeline are fixed by connecting flange, the right end of mixing pipeline is provided with turbulence cylinder, and the inner hole of turbulence cylinder is fixed with not less than two turbulence plates, turbulence plate is uniformly provided with turbulence hole, and the aperture of left turbulence hole is smaller than the aperture of right turbulence hole.The setting of turbulence plate can distribute turbulence to liquid in turbulent state after throttling block, prevent vortex in pipeline from causing pipeline damage and vibration, and can mix liquid again, increase mixing effect.

[0008] As a kind of preferred, the right outer side of turbulence cylinder is provided with support flanging, and the connecting flange of the right end of mixing pipeline is provided with support concave platform matched with support flanging.It is convenient to position and install turbulence cylinder.

[0009] As a kind of preferred, the right end of the top of mobile frame is fixed with push handle, which is convenient to push mobile frame.

[0010] As a kind of preferred, flowmeter one is connected with irrigation pipeline through connecting flange two, irrigation pipeline in the left side of flowmeter one is provided with filter screen, the middle of filter screen is protruded to left, the outer side of filter screen is provided with collection sink which is sunken to right, and the connecting flange two of irrigation pipeline is provided with installation groove matched with collection sink, which can filter water entering flowmeter one, protect flowmeter one, the middle of filter screen is protruded to left, and the outer side of filter screen is provided with collection sink which is sunken to right, which can better flush impurities filtered out to outer side collection sink, and better prevent blockage.

[0011] The utility model has the following beneficial effects:

[0012] By setting flowmeter one on irrigation pipeline, flowmeter two and adjusting valve one on absorption pipe, adjusting valve one can be better controlled according to the water inflow of flowmeter one, absorption amount can be adjusted, quantitative fertilization can be more accurately realized, and after liquid fertilizer is added into water and enters mixing pipeline, vortex is formed after fluid passes turbulence column, and when passing the interval between throttling block and mixing pipeline, it is equivalent to throttling measure, so that fluid in mixing pipeline is in turbulent state, which can intensify the mixing of liquid fertilizer and water, and fertilization is more uniform and better. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is front view structural schematic diagram of the utility model;

[0014] Figure 2 It is partial structure schematic diagram of Figure 1 ; It is front view structural schematic diagram of the utility model;

[0015] Figure 3 It is structure schematic diagram of filter screen;

[0016] In the diagram: 1. Mobile frame; 2. Irrigation pipe; 3. Flow meter 1; 4. Regulating valve 2; 5. Venturi tube; 6. Fertilizer suction pipe; 7. Fertilizer storage tank; 8. Regulating valve 1; 9. Flow meter 2; 10. Mixing pipe; 11. Turbulence column; 12. Throttling block; 13. Turbulence plate; 14. Water outlet pipe; 15. Turbulence cylinder; 16. Push handle; 17. Positioning boss; 18. Limiting edge; 19. Support flange; 20. Connecting flange 1; 21. Connecting flange 2; 22. Collection platform; 23. Filter screen. Detailed Implementation

[0017] The present invention will be further described below with reference to the embodiments.

[0018] Example 1, as Figures 1 to 3 As shown, this utility model is an agricultural quantitative fertilization device, including a mobile frame 1, a fertilizer storage tank 7 fixed on the mobile frame 1, an irrigation pipe 2 at the lower part of the fertilizer storage tank 7, a venturi tube 5 connected in parallel to the irrigation pipe 2, a fertilizer suction pipe 6 fixed at the throat of the venturi tube 5, the top of the fertilizer suction pipe 6 connected to the bottom outlet of the fertilizer storage tank 7, a flow meter 3 on the irrigation pipe 2 to the left of the venturi tube 5, a flow meter 9 and a regulating valve 8 on the fertilizer suction pipe 6, a regulating valve 4 on a section of the irrigation pipe 2 connected in parallel to the venturi tube 5, a mixing pipe 10 fixed to the right end of the irrigation pipe 2, a water outlet pipe 14 fixed to the right end of the mixing pipe 10, a baffle column 11 fixed to the bottom of the mixing pipe 10, and a trapezoidal throttling block 12 fixed to the mixing pipe 10 to the right of the baffle column 11. The left end of the irrigation pipe 2 is connected to an irrigation pump through a pipe, and the right end of the water outlet pipe 14 is connected to the irrigated field through a pipe.

[0019] During operation, liquid fertilizer is added to the fertilizer storage tank 7, regulating valve 1 8 is opened, and then regulating valve 2 4 is slowly closed. The venturi tube 5 generates suction at the fertilizer suction pipe 6, drawing in the liquid fertilizer. The amount of fertilizer drawn can be adjusted by regulating valve 2 4 and flow meter 3 according to the data from flow meter 1 3. After the liquid fertilizer and water enter the mixing pipe 10, the fluid will form a vortex after passing the turbulence column 11. Then, when passing through the gap between the throttling block 12 and the mixing pipe 10, it is equivalent to a throttling measure. In this way, the fluid in the mixing pipe 10 is in a turbulent state, which will intensify the mixing of liquid fertilizer and water, making the fertilization more uniform and the fertilization effect better. Then, the mixed water and fertilizer enter the outlet pipe 14 for irrigation.

[0020] In Example 2, based on Example 1, the bottom of the mixing pipe 10 is provided with an installation hole for inserting a baffle column 11. An arc-shaped fixing plate that mates with the outer wall of the mixing pipe 10 is fixed to the bottom of the baffle column 11. The fixing plate is sealed to the outer wall of the mixing pipe 10 by welding or by screws.

[0021] The bottom of the mixing pipe 10 is provided with a positioning spout, the bottom of the throttling block 12 is provided with a positioning boss 17 matched with the positioning spout, the bottom of the positioning boss 17 is fixed with a circular arc-shaped limiting edge 18 matched with the outer wall of the mixing pipe 10, and the top of the throttling block 12 is provided with a throttling plane parallel to the inner wall of the mixing pipe 10. The limiting edge 18 is fixed and sealed on the outer wall of the mixing pipe 10 by welding.

[0022] The liquid in the mixing pipe 10 is in a turbulent flow and vortex flow state after passing through the throttling block 12, so that the liquid can cause great damage to the mixing pipe 10 and the water outlet pipe 14, and can cause pipe vibration, affecting the service life of the pipe, therefore, the two ends of the mixing pipe 10 are connected and fixed through the connecting flange 20, the inner hole of the right end of the mixing pipe 10 is provided with a turbulence cylinder 15, and the inner hole of the turbulence cylinder 15 is fixed with not less than two turbulence plates 13, the turbulence plates 13 are uniformly provided with turbulence holes, and the hole diameter of the left turbulence hole is smaller than that of the right turbulence hole. When the liquid in the turbulent flow state after passing through the throttling block 12 passes through the turbulence plates 13 in the inner hole of the turbulence cylinder 15, the liquid is divided and turbulent by the turbulence holes, and is mixed again.

[0023] The right end of the turbulence cylinder 15 is provided with a supporting flange 19, and the connecting flange 20 of the right end of the mixing pipe 10 is provided with a supporting concave platform matched with the supporting flange 19.

[0024] The top right end of the moving frame 1 is fixed with a push handle 16.

[0025] The flow meter 3 is connected with the irrigation pipe 2 through the connecting flange 21, the irrigation pipe 2 on the left side of the flow meter 3 is provided with a filter screen 23, the middle of the filter screen 23 is protruded to the left, the outer side of the filter screen 23 is provided with a collecting concave platform 22 which is sunken to the right, and the connecting flange 21 of the irrigation pipe 2 is provided with a mounting groove matched with the collecting concave platform 22. When there are sundries in the irrigation water, the sundries are blocked by the filter screen 23 and are washed to the outside collecting concave platform 22 for centralized collection.

[0026] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

[0027] In the description of the present application, the terms "inner", "outer", "longitudinal", "transverse", "upper", "lower", "top", "bottom" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and do not require the present application to be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application.

Claims

1. An agricultural quantitative fertilizer application device, comprising a mobile frame (1), a fertilizer storage tank (7) is fixed on the mobile frame (1), a lower part of the fertilizer storage tank (7) is provided with an irrigation pipeline (2), the irrigation pipeline (2) is connected in parallel with a Venturi tube (5), a throat of the Venturi tube (5) is fixed with a fertilizer suction pipe (6), a top of the fertilizer suction pipe (6) is connected with an outlet of a bottom of the fertilizer storage tank (7), characterized in that: The left side of the Venturi tube (5) is provided with a flowmeter (3), the suction pipe (6) is provided with a flowmeter (9) and a regulating valve (8), the parallel section of the irrigation pipe (2) of the Venturi tube (5) is provided with a regulating valve (4), the right end of the irrigation pipe (2) is fixedly provided with a mixing pipe (10), the right end of the mixing pipe (10) is fixedly provided with a water outlet pipe (14), the bottom of the mixing pipe (10) is fixedly provided with a turbulence column (11), and the right side of the mixing pipe (10) is fixedly provided with a trapezoidal throttling block (12). ​ 2. The agricultural dosing device according to claim 1, characterized in that The bottom of the mixing pipe (10) is provided with a mounting hole for the turbulence column (11) to be inserted into, and the bottom of the turbulence column (11) is fixedly provided with an arc-shaped fixed plate matched with the outer wall of the mixing pipe (10).

3. The agricultural dosing device according to claim 1, characterized in that The bottom of the mixing pipe (10) is provided with a positioning socket, the bottom of the throttling block (12) is provided with a positioning boss (17) matched with the positioning socket, the bottom of the positioning boss (17) is fixedly provided with an arc-shaped limiting edge (18) matched with the outer wall of the mixing pipe (10), and the top of the throttling block (12) is provided with a throttling plane parallel to the inner wall of the mixing pipe (10).

4. The agricultural dosing device of claim 1, wherein: The two ends of the mixing pipe (10) are connected and fixed through a connecting flange (20), the right end of the mixing pipe (10) is provided with a turbulence cylinder (15), and the inner hole of the turbulence cylinder (15) is fixedly provided with not less than two turbulence plates (13), the turbulence plates (13) are uniformly provided with turbulence holes, and the hole diameter of the left turbulence hole is smaller than that of the right turbulence hole.

5. An agricultural dosing apparatus according to claim 4, characterised in that: The right side of the turbulence cylinder (15) is provided with a supporting flange (19), and the connecting flange (20) of the right end of the mixing pipe (10) is provided with a supporting recess matched with the supporting flange (19).

6. The agricultural dosing device of claim 1, wherein: The top right end of the mobile frame (1) is fixedly provided with a push handle (16).

7. The agricultural dosing device of claim 1, wherein: The flowmeter (3) is connected with the irrigation pipe (2) through a connecting flange (21), the irrigation pipe (2) on the left side of the flowmeter (3) is provided with a filter screen (23), the middle of the filter screen (23) is protruded to the left, the outer side of the filter screen (23) is provided with a collecting recess (22) sunken to the right, and the connecting flange (21) of the irrigation pipe (2) is provided with a mounting groove matched with the collecting recess (22).

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