CN211831868U - Low-pressure quick-uniform irrigation fertilizer applicator - Google Patents
Low-pressure quick-uniform irrigation fertilizer applicator Download PDFInfo
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- CN211831868U CN211831868U CN201922248856.1U CN201922248856U CN211831868U CN 211831868 U CN211831868 U CN 211831868U CN 201922248856 U CN201922248856 U CN 201922248856U CN 211831868 U CN211831868 U CN 211831868U
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Abstract
A low-pressure quick-uniform irrigation fertilizer applicator comprises a frame, an embedded negative-pressure quick-uniform fertilizer applicator, a flowmeter with a flow regulating valve, a fertilizer barrel, a fertilizer injection pipe A and a fertilizer injection pipe B; the embedded negative pressure quick and uniform fertilizer applicator main body is fixed at the bottom of the frame and comprises a fertilizer applicator tube shell and a fertilizer applicator core body, wherein the fertilizer applicator tube shell penetrates through a fertilizer suction port which is connected with one end of a fertilizer injection pipe B, the fertilizer applicator core body comprises a Venturi tube, a stepped trapezoidal jet orifice and a rotational flow generating device, one end of the stepped trapezoidal jet orifice is an inlet end of the Venturi tube, and one end of the rotational flow generating device is an outlet end of the Venturi tube; the liquid outlet of the fertilizer barrel is connected with one end of a fertilizer injection pipe A through a valve, and a flow meter with a flow regulating valve is arranged between the other end of the fertilizer injection pipe A and the other end of the fertilizer injection pipe B. The fertilizer applicator can realize visual and accurate water and fertilizer integrated balanced irrigation in a low-pressure irrigation system, and improves the uniformity of fertilizer mixing in a pipe network.
Description
Technical Field
The utility model belongs to agricultural fertigation field, in particular to quick even fertigation machine of low pressure.
Background
Fertilizing machines are important tools and equipment for modern agricultural production. The venturi fertilizer applicator popularized and applied at home and abroad at present is that a venturi tube is connected in parallel on an irrigation pipeline and a current-limiting regulating valve is arranged on the pipeline, the fertilizer applicator needs higher rated working pressure, but generally requires that the head pressure of the irrigation pipeline is more than 0.15-0.25MPa (25 m water head pressure), and the fertilizer applicator cannot normally work under the low-pressure state.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of existence among the above-mentioned prior art just, and provide a quick even fertigation machine of low pressure, this fertilizer distributor can realize visual, accurate liquid manure integration balanced irrigation in low pressure irrigation system, has improved the degree of consistency that the fertilizer in the pipe network mixes.
As the conception, the technical proposal of the utility model is that: the utility model provides a low pressure speed is even fertigation machine which characterized in that: comprises a frame, an embedded negative pressure quick and uniform fertilizer applicator, a flowmeter with a flow regulating valve, a fertilizer barrel, a fertilizer injection pipe A and a fertilizer injection pipe B; the embedded negative pressure quick and uniform fertilizer applicator main body is fixed at the bottom of the frame and comprises a fertilizer applicator tube shell and a fertilizer applicator core body fixedly installed in the fertilizer applicator tube shell, a fertilizer suction port penetrates through the fertilizer applicator tube shell and is connected with one end of a fertilizer injection pipe B, the fertilizer applicator core body comprises a Venturi tube, a stepped trapezoidal jet orifice and a rotational flow generating device, one end of the stepped trapezoidal jet orifice is an inlet end of the Venturi tube, one end of the rotational flow generating device is an outlet end of the Venturi tube, and a plurality of guide vanes are arranged inside the rotational flow generating device; the liquid outlet of the fertilizer barrel is connected with one end of a fertilizer injection pipe A through a valve, and a flow meter with a flow regulating valve is arranged between the other end of the fertilizer injection pipe A and the other end of the fertilizer injection pipe B.
The embedded negative pressure quick uniform fertilizer applicator main body is fixed at the bottom of the frame by a fastener, a bolt and a nut.
The tube shell of the fertilizer applicator is a round tube, a square tube, a rectangular tube or an elliptical tube.
And quick connectors for connecting the fertilizer applicator in series on the water pipeline are arranged at two ends of the fertilizer applicator pipe shell.
The two sides of the core body of the fertilizer applicator are fixed at the bottom end, the middle part or the top end of the inner wall of the tube shell of the fertilizer applicator through the baffle plates.
The flow meter may be a rotameter, an electronic flow meter, or a wireless or wired digital display flow meter with internet of things features.
The top of the fertilizer barrel is provided with a fertilizer barrel cover and a fertilizer barrel filter screen, and the fertilizer barrel filter screen is fixed at the opening of the fertilizer barrel.
The fertilizer barrel can be a fertilizer barrel group formed by connecting more than two fertilizer barrels, and the outlet of the fertilizer injection pipe B of each fertilizer barrel is communicated with the liquid collecting pipe.
And the fertilizer injection pipe B is connected with a pressure regulating diaphragm pump in series, and the pressure regulating diaphragm pump is powered by an external power supply or a battery.
The baffle is a section of arc baffle, an annular baffle or an annular baffle with a bracket.
The utility model discloses have following advantage and positive effect:
1. the utility model discloses can realize visual, accurate liquid manure integration balanced irrigation in low pressure (experimental operating pressure is less than 0.01MPa) irrigation system. The main part of the fertilizer applicator is an embedded negative pressure quick and uniform fertilizer applicator, which can synchronously mix the injected fertilizer and the rich water at a high speed without installing a flow limiting valve on a main pipeline, thereby reducing the pressure loss of an irrigation pipe network, reducing the equipment investment and energy consumption and improving the uniformity of the fertilizer in the pipe network.
The utility model provides an embedded quick even fertilizer applicator of negative pressure utilizes the water potential that the water in the pipeline flows can be under the state of flowing automatically. When the irrigation water flows, negative pressure is formed inside the Venturi tube due to the shape, the caliber change ratio and the length change ratio of the stepped trapezoidal jet orifice and the rotational flow generating device, and is transmitted to the fertilizer suction orifice from the negative pressure cavity, the fertilizer suction orifice extends to the outside of the fertilizer applicator tube shell, liquid fertilizer can be sucked into the Venturi tube and forms turbulent flow with the water flow injected by the stepped trapezoidal jet orifice, and then the turbulent flow is brought into the rotational flow generating device to form rotational flow at the same time, so that the liquid fertilizer is mixed with the water in the pipeline again.
2. The utility model provides an embedded quick even fertilizer applicator of negative pressure has set up a whirl generating device who has the stator in the venturi export, forms whirl and turbulent flow when can making rivers pass through to do benefit to irrigation water and liquid fertilizer intensive mixing.
3. When the water pressure and the flow of the irrigation pipeline are changed, the embedded negative pressure quick uniform fertilizer applicator of the utility model can automatically increase the flow of the weight-reducing material sucked by the pressure change of the stepped ladder-shaped jet orifice.
4. The utility model discloses install a flowmeter that has flow control valve between annotating fertile pipe A and annotating fertile pipe B), make the injection volume of fertilizer directly perceived. When the irrigation water flows through, the flow entering the embedded negative pressure quick and uniform fertilizer applicator from the fertilizer suction port can be observed through the flowmeter, the flow under the rated working pressure is controlled and adjusted through the flow adjusting valve, and the self-suction type automatic fertilizer application with balanced and uniform speed can be realized after the fertilizer injection amount is set to the required value.
5. The utility model discloses fertilizer tank bucket can have fertilizer bung and fertilizer bucket filter screen, and fertilizer bucket filter screen is fixed at the fertilizer bucket bung hole for filter the granule impurity of the fertilizer granule or aquatic of not dissolving completely, avoid causing the jam of parts such as flowmeter and fertilizer applicator, notes fertile pipe.
6. The utility model discloses fertilizer bucket can be by the fertilizer bucket group of connecting the constitution of two above fertilizer buckets, and every fertilizer bucket annotates fertile pipe B's export all with the collector tube intercommunication, can make different kinds of fertilizer pour into irrigation pipe simultaneously according to respective account for the proportion volume.
7. The utility model discloses but the portable fertigation mode in field that is fit for more economical and practical is connected to interim, portable irrigation piping fast.
8. The utility model is suitable for a multinomial low pressure irrigation systems's such as field pipeline water delivery irrigation, prevention of seepage channel irrigation, low pressure are driped irrigation liquid manure integration irrigation system.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is a schematic diagram of the installation position of a core body of the fertilizer applicator, wherein FIG. 3-1 is a schematic diagram of the core body of the fertilizer applicator fixedly installed at the bottom of the inner wall of a fertilizer applicator tube shell through an arc-shaped baffle, FIG. 3-2 is a schematic diagram of the core body of the fertilizer applicator fixedly installed at the middle part of the inner wall of the fertilizer applicator tube shell through a ring-shaped baffle with a bracket, and FIG. 3-3 is a schematic diagram of the core body of the fertilizer applicator fixedly installed at the top of the;
FIG. 4 is a top view of the fertilizer barrel;
FIG. 5 is a schematic view of a fertilizer barrel assembly formed by connecting two fertilizer barrels;
fig. 6 is a schematic view of the loading pressure regulating diaphragm pump of the present invention.
In the figure: 1-frame, 2-embedded negative pressure quick uniform fertilizer applicator body, 3-fertilizer applicator tube shell, 4-Venturi tube, 5-step trapezoidal jet orifice, 6-negative pressure cavity, 7-rotational flow generating device, 8-guide vane, 9-fertilizer suction orifice, 10-sealing ring, 11-fertilizer barrel, 12-valve, 13-fertilizer injection pipe A, 14-flowmeter, 15-flow regulating valve, 16-fertilizer injection pipe B, 17-fastener, 18-bolt, 19-nut, 20-baffle, 21-quick connector A, 22-fertilizer barrel cover, 23-fertilizer barrel filter screen, 24-quick connector B, 25-irrigation water pipe, 26-liquid collecting pipe, 27-pressure regulating diaphragm pump, 28-battery, 28-fertilizer applicator tube, 29-arc baffle, 30-ring baffle with bracket, 31-ring baffle.
Detailed Description
The following description of the embodiments of the present patent refers to the accompanying drawings. The embodiments described herein are only some embodiments of this patent and are not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
Fig. 1-4 show a low-pressure quick-uniform fertigation machine, which comprises a frame 1, an embedded negative-pressure quick-uniform fertilizer applicator 2, a flowmeter 14, a flow regulating valve 15, a fertilizer barrel 11, a fertilizer injection pipe A, fertilizer injection pipes B13 and 16. The two ends of the main body of the embedded negative pressure quick and uniform fertilizer applicator 2 are respectively provided with a quick connector 21, a flange or a threaded connector and other pipe fittings which are connected with the irrigation water delivery pipe 25 in series according to the working water flow direction of the main body of the embedded negative pressure quick and uniform fertilizer applicator 2. The fertilizer barrel 11 is provided with a fertilizer barrel cover 22 and a fertilizer barrel filter screen 23, and the fertilizer barrel filter screen 23 is fixed at the opening of the fertilizer barrel and used for filtering incompletely dissolved fertilizer particles or particle impurities in water, so that the blockage of parts such as a flowmeter, a fertilizer applicator and a fertilizer injection pipe is avoided. The flow meter 14 may be a rotameter, an electronic flow meter, or a wireless or wired digital display flow meter with internet of things features, or the like.
The main body of the embedded negative pressure speed and uniform fertilizer applicator 2 is fixed at the bottom of the frame 1 by a fastener 17, a bolt 18 and a nut 19, the embedded negative pressure quick and uniform fertilizer applicator comprises a fertilizer applicator tube shell 3 and a fertilizer applicator core body, wherein a fertilizer suction opening is arranged on the fertilizer applicator tube shell 3, the fertilizer suction port is connected with one end of a fertilizer injection pipe B16, the fertilizer applicator core body comprises a Venturi tube 4, a step-type trapezoidal jet orifice 5 and a rotational flow generating device 7, one end of the step-type trapezoidal jet orifice 5 is an inlet end of the Venturi tube 4, one end of the rotational flow generating device 7 is an outlet end of the Venturi tube, the direction from the inlet end to the outlet end is the direction in which irrigation water flows when the fertilizer applicator is installed and implemented in a pipeline, a plurality of guide vanes 8 are arranged inside the rotational flow generating device 7, the water flow can form rotational flow and turbulent flow when passing through the rotational flow generator with the guide vanes, so that the irrigation water and the liquid fertilizer are favorably mixed. The core body of the fertilizer applicator is fixed at the bottom end, the middle or the top end of the inner wall of the fertilizer applicator pipe shell 3 through a baffle plate 20, and the baffle plate 20 can be an arc baffle plate, an annular baffle plate with a bracket or other structures which can play a role in fixing.
The liquid outlet of the fertilizer barrel 11 is connected with one end of a fertilizer injection pipe A13 through a valve 12, and a flow meter 14 with a flow control valve 15 is arranged between the other end of the fertilizer injection pipe A13 and the other end of the fertilizer injection pipe B16. The two ends of the embedded negative pressure quick uniform fertilizer applicator main body 2 are respectively provided with a quick connector 21, a flange or a threaded connector and other pipe fittings, and are connected with the irrigation drain pipe 25 in series according to the working water flow direction of the embedded negative pressure quick uniform fertilizer applicator main body 2.
Referring to fig. 5, the fertilizer barrel 11 may be a fertilizer barrel group formed by connecting two fertilizer barrels, and the outlet of the fertilizer injection tube B of each fertilizer barrel is communicated with the liquid collecting tube 26, so that different kinds of fertilizers can be simultaneously injected into the irrigation pipeline according to respective proportion.
Referring to fig. 6, the utility model can load the pressure regulating diaphragm pump or the ordinary pressure pump when meeting the situation that needs to pressurize or accelerate fertilization, and the pressure regulating diaphragm pump 27 is connected in series in the fertilizer injection pipe 16. The pressure regulating diaphragm pump may be powered by an external power source or battery 28, and the battery 28 may be a lithium battery or other type of battery that meets the needs of the pump.
The utility model discloses a theory of operation is: when the irrigation water flows, negative pressure is formed inside the Venturi tube due to the shape, the caliber change ratio and the length change ratio of the stepped trapezoidal jet orifice 5 and the outlet end rotational flow generating device, the negative pressure is transmitted to the fertilizer suction orifice 9 from the negative pressure cavity 6, the fertilizer suction orifice 9 extends to the outside of the fertilizer applicator tube shell 3, liquid fertilizer can be sucked into the Venturi tube and forms turbulent flow with the water flow injected by the stepped trapezoidal jet orifice 5, and then the turbulent flow is brought into the rotational flow generating device 7 to form rotational flow at the same time, so that the liquid fertilizer is mixed with the water in the pipeline again.
When the irrigation water flow passes through, the flow entering the embedded negative pressure speed and uniform fertilizer applicator from the fertilizer suction port 9 can be observed through the flowmeter 14 and controlled and regulated by the flow regulating valve 15 under the rated working pressure.
When the water pressure and the flow of the irrigation pipeline are changed, the embedded negative pressure quick and uniform fertilizer applicator can be automatically increased by the pressure change of the stepped trapezoidal jet orifice 5, and the flow of the weight-reducing material is sucked.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a low pressure speed is even fertigation machine which characterized in that: comprises a frame, an embedded negative pressure quick and uniform fertilizer applicator, a flowmeter with a flow regulating valve, a fertilizer barrel, a fertilizer injection pipe A and a fertilizer injection pipe B; the embedded negative pressure speed and uniformity fertilizer applicator body is fixed at the bottom of the frame and comprises a fertilizer applicator tube shell and a fertilizer applicator core body fixedly arranged in the fertilizer applicator tube shell, a fertilizer suction port penetrates through the fertilizer applicator tube shell and is connected with one end of a fertilizer injection pipe B, the fertilizer applicator core body comprises a Venturi tube, a stepped trapezoidal jet orifice and a rotational flow generating device, one end of the stepped trapezoidal jet orifice is an inlet end of the Venturi tube, one end of the rotational flow generating device is an outlet end of the Venturi tube, and a plurality of guide vanes are arranged inside the rotational flow generating device; the liquid outlet of the fertilizer barrel is connected with one end of a fertilizer injection pipe A through a valve, and a flow meter with a flow regulating valve is arranged between the other end of the fertilizer injection pipe A and the other end of the fertilizer injection pipe B.
2. The low pressure, uniform fertigation machine of claim 1, wherein: the embedded negative pressure quick uniform fertilizer applicator main body is fixed at the bottom of the frame by a fastener, a bolt and a nut.
3. The low pressure, uniform fertigation machine of claim 1, wherein: the tube shell of the fertilizer applicator is a round tube, a square tube, a rectangular tube or an elliptical tube.
4. The low pressure, uniform fertigation machine of claim 1, wherein: and quick connectors for connecting the fertilizer applicator to the irrigation water pipeline in series are arranged at two ends of the fertilizer applicator pipe shell.
5. The low pressure, uniform fertigation machine of claim 1, wherein: the two sides of the core body of the fertilizer applicator are fixed at the bottom end, the middle part or the top end of the inner wall of the tube shell of the fertilizer applicator through the baffle plates.
6. The low pressure, uniform fertigation machine of claim 1, wherein: the flowmeter is a rotor flowmeter, an electronic flowmeter or a wireless or wired digital display flowmeter with the characteristics of the Internet of things.
7. The low pressure, uniform fertigation machine of claim 1, wherein: the top of the fertilizer barrel is provided with a fertilizer barrel cover and a fertilizer barrel filter screen, and the fertilizer barrel filter screen is fixed at the opening of the fertilizer barrel.
8. The low pressure, uniform fertigation machine of claim 1, wherein: the fertilizer barrel is a fertilizer barrel group formed by connecting more than two fertilizer barrels, and the outlet of the fertilizer injection pipe B of each fertilizer barrel is communicated with the liquid collecting pipe.
9. The low pressure, uniform fertigation machine of claim 1, wherein: and the fertilizer injection pipe B is connected with a pressure regulating diaphragm pump in series, and the pressure regulating diaphragm pump is powered by an external power supply or a battery.
10. The low pressure, uniform fertigation machine of claim 5, wherein: the baffle is a section of arc baffle, an annular baffle or an annular baffle with a bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922248856.1U CN211831868U (en) | 2019-12-16 | 2019-12-16 | Low-pressure quick-uniform irrigation fertilizer applicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922248856.1U CN211831868U (en) | 2019-12-16 | 2019-12-16 | Low-pressure quick-uniform irrigation fertilizer applicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211831868U true CN211831868U (en) | 2020-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922248856.1U Active CN211831868U (en) | 2019-12-16 | 2019-12-16 | Low-pressure quick-uniform irrigation fertilizer applicator |
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| Country | Link |
|---|---|
| CN (1) | CN211831868U (en) |
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- 2019-12-16 CN CN201922248856.1U patent/CN211831868U/en active Active
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