CN220570997U

CN220570997U - Fertilizer distributor

Info

Publication number: CN220570997U
Application number: CN202321356666.1U
Authority: CN
Inventors: 陈峰涛; 孔涛; 王晓彬
Original assignee: Beijing Oritech Technologies Co ltd
Current assignee: Beijing Oritech Technologies Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2024-03-12
Anticipated expiration: 2033-05-30

Abstract

The utility model discloses a fertilizer applicator, which comprises a frame and a mixing drum arranged at the upper part of the frame, and is characterized in that a pre-control water pump is arranged at the upper part of the frame, water discharged from the pre-control water pump enters the mixing drum after being measured by a first EC sensor, the water inlet end of the pre-control water pump is respectively connected with a reclaimed water inlet pipe and a clear water inlet pipe through an electric double butterfly valve, the upper part of the frame is provided with a fertilizer applicator water pump, and the fertilizer applicator water pump pumps out fertilizer in the mixing drum and divides the fertilizer into a path A and a path B; the path B is filtered by a second filter, is divided into a path C and a path D after being regulated by a pressure regulating valve, the path D passes through a second EC sensor to a venturi tube, and two connectors on the side face of the venturi tube are respectively connected with a mixing barrel and an external mother liquor tank. According to the scheme, the concentration of the soluble salt is detected through the EC sensor, irrigation can be conveniently carried out through cooperation of the pre-control water pump and the fertilization water pump, and the concentration of the fertilizer can be changed in real time, so that the irrigation demands for plants in different stages are realized.

Description

Fertilizer distributor

Technical Field

The utility model relates to the technical field of crop irrigation, in particular to a fertilizer applicator.

Background

It is well known that unreasonable fertilization can cause a series of problems such as excessive concentration resulting in burning of seedlings, hardening or acidification of the soil, etc. The traditional watering and topdressing modes mainly comprise several modes: the irrigation is generally carried out in a form of irrigation, and fertilizer is sown during irrigation; sowing chemical fertilizer in raining; the fertilizer is dissolved in water and then sprayed with the fertilizer solution. The watering and fertilizing mode can not uniformly meet the requirement of 'eating and drinking' of plants, and is difficult to supply according to the water and fertilizer requirement rule of crops at any time, so that the crops are difficult to grow in an optimal state.

Disclosure of Invention

The main object of the present utility model is to provide a fertilizer applicator to ameliorate the problems of the related art.

In order to achieve the above purpose, the utility model provides a fertilizer applicator, which comprises a frame and a mixing drum arranged at the upper part of the frame, and is characterized in that a pre-control water pump is arranged at the upper part of the frame, water discharged from the pre-control water pump enters the mixing drum after being measured by a first EC sensor, a water inlet end of the pre-control water pump is respectively connected with a recovered water inlet pipe and a clear water inlet pipe through an electric double butterfly valve, a fertilizer applicator water pump is arranged at the upper part of the frame, fertilizer in the mixing drum is pumped out by the fertilizer applicator water pump and is divided into an A path and a B path, and the A path is connected with an external irrigation pipeline through a first filter; the circuit B is divided into a circuit C and a circuit D after being filtered by a second filter and pressure-regulated by a pressure regulating valve, the circuit C is detected by a PH sensor and then enters the mixing drum again, the circuit D is connected to a venturi tube through a second EC sensor, two connecting ports on the side face of the venturi tube are respectively connected with the mixing drum and an external mother liquor tank, the inside of the venturi tube is thinned by coarseness, the flow speed of liquid is increased, the liquid forms a vacuum area on the rear side of an outlet of the venturi tube, so that negative pressure suction is generated on the connecting ports on the side face, fertilizer mother liquor is sucked into the venturi tube from the mother liquor tank to be mixed, and the fertilizer mother liquor is conveyed to the mixing drum again through the other connecting port.

In one embodiment of the utility model, a liquid level control valve is disposed between the first EC sensor and the mixing tub.

In one embodiment of the utility model, the electric double butterfly valve comprises a first butterfly valve, a second butterfly valve and an actuator for driving the first butterfly valve to rotate, wherein the first butterfly valve and the second butterfly valve are connected together by a connecting rod, and the second butterfly valve is driven to rotate by one butterfly valve to drive the connecting rod to rotate.

In one embodiment of the utility model, a stop valve and a check valve are arranged between the electric double butterfly valve and the pre-control water pump.

In one embodiment of the utility model, a third filter, a flow indicator, a negative pressure electromagnetic valve and a diaphragm valve are sequentially connected between the mother liquid tank and the venturi tube through pipelines.

Compared with the prior art, the utility model has the beneficial effects that: when the fertilizer applicator designed in the above manner is used, clear water and reclaimed water are added into the mixing drum through the pre-control water pump, and the concentration of soluble salt added into the water is measured through the first EC sensor; the fertilizer in the mixing barrel is pumped out by the water pump of the fertilizer applicator and is divided into an A path and a B path, and the A path is connected with an external irrigation pipeline through the first filter; the circuit B is filtered by the second filter and then is divided into a circuit C and a circuit D after being regulated by the pressure regulating valve, the circuit C re-enters the mixing barrel after the PH value is detected by the PH sensor, the circuit D is used for detecting the concentration of soluble salt in the fertilizer by the second EC sensor and then reaching the venturi tube, the fertilizer mother solution is sucked into the venturi tube from the mother solution tank and mixed, and is re-conveyed to the mixing barrel through the other connecting port, so that the subsequent concentration adjustment is facilitated, irrigation is facilitated, the concentration of the fertilizer can be changed in real time, and the irrigation requirements for plants in different stages are realized.

Drawings

FIG. 1 is a schematic structural view of a fertilizer applicator system of a preferred embodiment of the present utility model;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a view from A-A in FIG. 1;

FIG. 4 is a schematic view of a venturi section;

fig. 5 is a schematic diagram of an electric double butterfly valve.

In the figure: 3. a reclaimed water inlet pipe; 4. a clean water inlet pipe; 5. electric double butterfly valve; 6. pre-controlling a water pump; 7. a liquid level control valve; 8. a mixing drum; 9. a water pump of the fertilizer applicator; 10. a first filter; 11. a second filter; 12. a pressure regulating valve; 13. a second EC sensor; 14. a PH sensor; 15. a venturi tube; 16. a stop valve; 17. a check valve; 18. a first EC sensor; 20. a third filter; 21. a flow indicator; 22. a negative pressure electromagnetic valve; 23. a diaphragm valve; 24. a butterfly valve I; 25. a butterfly valve II; 26. an actuator; 27. and a connecting rod.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

The utility model provides a fertilizer applicator, which is described by the model WP-BF 02. The fertilizer distributor WP-BF02 mainly comprises an EC precontrol unit and a fertilizer distribution unit.

The EC pre-control unit is connected with all parts by PVC pipes, and in the utility model, the reclaimed water inlet pipe 3 and the clean water inlet pipe 4 are sent to the pre-control water pump 6 through the electric double butterfly valve 5, and then sent to the mixing drum 8 from the first EC sensor 18 to the liquid level control valve 7 after the pre-control water pump 6.

The fertilizing unit 2 is connected with all parts by PVC pipes, fertilizer is pumped out to a fertilizer applicator water pump 9 by a mixing drum 8, and the fertilizer applicator water pump 9 is divided into two paths: and a path A and a path B, wherein the path A is sent to an irrigation part through a first filter 10, the path B is regulated to a proper pressure by a pressure regulating valve 12 after passing through a second filter 11, and the paths A and B are divided into two paths: and the C path and the D path are respectively connected with the PH sensor 14, the PH sensor 14 and the second EC sensor 13, the venturi tube 15 and the venturi tube 15, and the mother solution of the mixed fertilizer is fed into the mixing barrel 8.

As shown in fig. 1, the EC pre-control unit includes an electric double butterfly valve 5, a pre-control water pump 6, and a liquid level control valve 7. The electric double butterfly valve 5 and the pre-control water pump 6 are driven by electric power. The liquid level control valve 7 is hydraulically driven, and the fertilizer applicator system WP-BF02 of the present utility model will be described in detail with reference to fig. 1-5.

The electric double butterfly valve 5 is arranged at the water inlet end of the EC pilot pump, the stop valve 16 and the check valve 17 are arranged in front of the electric double butterfly valve 5, the stop valve 16 is convenient to cut off a water source during maintenance, and the check valve 17 is arranged to effectively prevent the recycled water and clean water from being mixed due to the water level difference.

As shown in fig. 5, the electric double butterfly valve 5 is composed of a first butterfly valve 24, a second butterfly valve 25, an actuator 26 and a connecting rod 27, wherein a control signal output by a control system controls the actuator 26 to act, the actuator 26 can adopt a motor, and power output by the actuator 26 not only controls the first butterfly valve 24 below to act, but also drives the second butterfly valve 25 to act through the connecting rod 27, so that valve linkage is realized to mix recycled water and clean water.

The first EC sensor 18 is positioned at the water outlet end of the pre-control water pump 6, irrigation water pumped by the pre-control water pump 6 is measured by the first EC sensor 18, an EC value is fed back to the control system, and then the control system controls the switching action of the electric double butterfly valve 5 according to the EC value set by a user, and the mixing proportion of the recovered water and clean water is controlled, so that the EC value set by the user is achieved.

The liquid level control valve 7 is positioned at the water inlet of the mixing barrel 8, the liquid level floating ball in the water tank controls the switch of the liquid level control valve 7, when the water level drops to exceed a preset value, the floating ball valve is opened, the pressure of a cavity on the piston is reduced, the piston forms a pressure difference up and down, and the valve clack is opened to perform water supply operation under the action of the pressure difference; when the water level rises to a preset height, the float valve is closed, and the pressure of the chamber on the piston is continuously increased, so that the valve clack is closed to stop water supply. The liquid level is automatically controlled to be at a set height in a reciprocating manner, and the water level balance stability of the automatic mixing barrel 8 is realized.

The pressurized water from the pump 9 of the fertilizer applicator shown in fig. 4 enters through the lower mouth of the venturi tube 15, the interior of the venturi tube is thickened, so that the flow rate of the water is increased, and the liquid forms a vacuum area at the rear side of the outlet of the venturi tube 15, thereby generating negative pressure suction force at the side outlet. Due to the negative pressure suction force, the fertilizer mother solution flows out of the mother solution tank, undissolved fertilizer particles and impurities in the mother solution are filtered by the third filter 20, flows out of the third filter 20, reaches the negative pressure electromagnetic valve 22 through the flow indicator 21, flows out of the negative pressure electromagnetic valve 22, reaches the suction inlet of the venturi tube 15 through the diaphragm valve 23, is mixed by the venturi tube 15 and is sent to the mixing drum 8.

The second EC sensor 13 and the PH sensor 14 measure the EC and PH values of the irrigation water, the EC and PH values are fed back to the control system, and the control system controls the switching time and the switching frequency of the negative pressure electromagnetic valve 22 according to the EC and PH values set by a user, so that the EC and PH values in the fertilizer set by the user are achieved.

According to the fertilizer applicator disclosed by the utility model, irrigation can be conveniently carried out through the EC and the PH values of the EC pre-control unit and the fertilizer application unit, and the concentration of fertilizer can be changed in real time, so that the plant irrigation requirements of different stages are realized.

It should be noted that: the model specifications of the electric double butterfly valve, the pre-control water pump, the fertilizer applicator water pump, the filter, the EC sensor and the PH sensor are required to be determined by model selection according to the actual specifications of the device, and the like, and the specific model selection calculation method adopts the prior art in the field, so that detailed description is omitted.

The power supply and its principle of the electric double butterfly valve, the pre-control water pump, the fertilizer pump, the filter, the EC sensor and the PH sensor are clear to the person skilled in the art and will not be described in detail here.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a fertilizer distributor, includes the frame to and install mixing drum (8) in frame upper portion, its characterized in that, pre-control water pump (6) are installed to the upper portion of frame, first EC sensor (18) are installed to the play water end pipeline of pre-control water pump (6), just the play water end pipeline of pre-control water pump (6) links has mixing drum (8), the water inlet of pre-control water pump (6) is connected respectively through electronic double butterfly valve (5) and is retrieved water inlet tube (3) and clear water inlet tube (4), the upper portion of frame is provided with fertilizer distributor water pump (9), the water inlet of fertilizer distributor water pump (9) with mixing drum (8) link to each other, the play liquid end of fertilizer distributor water pump (9) divide into A way and B way, A way is connected with outside irrigation pipeline through first filter (10);

the liquid outlet end of the way B is connected with a second filter (11) and a pressure regulating valve (12), the liquid outlet end of the pressure regulating valve (12) is divided into a way C and a way D, a PH sensor (14) is installed on the liquid outlet end pipeline of the way C, the liquid outlet end pipeline of the way C is connected with the mixing drum (8), a second EC sensor (13) is installed on the liquid outlet end pipeline of the way D, the liquid outlet end pipeline of the way D is connected with a venturi tube (15), two connecting ports on the side face of the venturi tube (15) are respectively connected with the mixing drum (8) and an external mother liquor tank, the inside of the venturi tube (15) is thinned by a thick way, one connecting port is connected with the mother liquor tank, and the other connecting port is connected with the mixing drum (8).

2. A fertilizer applicator according to claim 1, characterized in that a liquid level control valve (7) is provided between the first EC sensor (18) and the mixing tub (8).

3. A fertilizer machine as set forth in claim 1 or 2 wherein said electric double butterfly valve (5) comprises a first butterfly valve (24), a second butterfly valve (25), an actuator (26) for driving the first butterfly valve (24) to rotate, a link (27) for connecting the first butterfly valve (24) and the second butterfly valve (25) together, and rotation of the first butterfly valve (24) drives the link (27) to rotate and thereby drives the second butterfly valve (25) to rotate.

4. A fertilizer machine as claimed in claim 3, characterized in that a shut-off valve (16) and a check valve (17) are arranged between the electric double butterfly valve (5) and the pre-controlled water pump (6).

5. A fertilizer machine according to claim 1, characterized in that a third filter (20), a flow indicator (21), a negative pressure solenoid valve (22) and a diaphragm valve (23) are connected in sequence between the mother liquor tank and the venturi tube (15) through a pipeline.