CN110800440A - Low-pressure quick-uniform irrigation fertilizer applicator - Google Patents
Low-pressure quick-uniform irrigation fertilizer applicator Download PDFInfo
- Publication number
- CN110800440A CN110800440A CN201911291029.9A CN201911291029A CN110800440A CN 110800440 A CN110800440 A CN 110800440A CN 201911291029 A CN201911291029 A CN 201911291029A CN 110800440 A CN110800440 A CN 110800440A
- Authority
- CN
- China
- Prior art keywords
- fertilizer
- uniform
- fertilizer applicator
- injection pipe
- applicator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
- A01C23/042—Adding fertiliser to watering systems
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/001—Sludge spreaders, e.g. liquid manure spreaders
- A01C23/002—Sludge spreaders, e.g. liquid manure spreaders provided with auxiliary arrangements, e.g. pumps, agitators, cutters
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/007—Metering or regulating systems
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Fertilizing (AREA)
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 invention belongs to the field of agricultural irrigation and fertilization, and particularly relates to a low-pressure quick and uniform irrigation and fertilization machine.
Background
Fertilizing machines are important tools and equipment for modern agricultural production. At present, a venturi tube popularized and applied at home and abroad is connected in parallel on an irrigation pipeline and is provided with a current-limiting regulating valve, the fertilizer applicator needs higher rated working pressure, the head pressure of the irrigation pipeline is generally required to be more than 0.15-0.25 MPa (25 m water head pressure), and the fertilizer applicator cannot normally work under a low-pressure state.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the low-pressure quick-uniform irrigation and fertilizer application machine which can realize visual and accurate water and fertilizer integrated uniform irrigation in a low-pressure irrigation system and improve the uniformity of fertilizer mixing in a pipe network.
As conceived above, the technical scheme of the invention is as follows: 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 invention has the following advantages and positive effects:
1. the invention can realize visual and accurate water and fertilizer integrated balanced irrigation in a low-pressure (the experimental working pressure is lower 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 embedded negative pressure quick and uniform fertilizer applicator can run in a self-flowing state by utilizing the water potential of the water flowing in the pipeline. 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 embedded negative pressure speed and uniform fertilizer applicator is provided with a rotational flow generating device with guide vanes at the outlet of a venturi tube, so that rotational flow and turbulent flow can be formed when water flows through the rotational flow generating device, and irrigation water and liquid fertilizer can be fully mixed.
3. When the water pressure and the flow of the irrigation pipeline are changed, the embedded negative pressure speed and uniformity fertilizer applicator can be automatically increased by the pressure change of the stepped trapezoidal jet orifice, and the flow of the weight-reducing material is sucked.
4. The invention installs a flow meter with a flow control valve between the fertilizer injection pipe A and the fertilizer injection pipe B, so that the fertilizer injection amount is visualized. 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 fertilizer tank barrel can be provided with a fertilizer barrel cover and a fertilizer barrel filter screen, wherein the fertilizer barrel filter screen is fixed at the barrel opening of the fertilizer barrel and is used for filtering incompletely dissolved fertilizer particles or particle impurities in water, and avoiding blockage of parts such as a flowmeter, a fertilizer applicator, a fertilizer injection pipe and the like.
6. 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, so that different kinds of fertilizers can be simultaneously injected into the irrigation pipeline according to respective proportion.
7. The invention can be quickly connected to a temporary and movable irrigation pipeline, and is suitable for a more economical and applicable field movable irrigation and fertilization mode.
8. The invention is suitable for the water and fertilizer integrated irrigation system of a plurality of low-pressure irrigation systems such as field pipeline water delivery irrigation, seepage-proofing channel irrigation, low-pressure drip irrigation and the like.
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 a 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, 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.
The attached figures 1-4 show a low-pressure quick uniform irrigation and fertilizer application machine, which comprises a frame (1), an embedded negative-pressure quick uniform fertilizer applicator (2), a flowmeter (14), a flow control valve (15), a fertilizer barrel (11), a fertilizer injection pipe A and fertilizer injection pipes B (13, 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, and the quick connector and the flange or the threaded connector are connected in series with the irrigation water pipe (25) 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) can be a rotameter, an electronic flow meter, a wireless or wired digital display flow meter with internet of things features, and the like.
The embedded negative pressure speed and uniformity fertilizer applicator (2) body is fixed at the bottom of the frame (1) by a fastener (17), a bolt (18) and a nut (19), the embedded negative pressure speed and uniformity fertilizer applicator comprises a fertilizer applicator tube shell (3) and a fertilizer applicator core body, a fertilizer suction port passes through the fertilizer applicator tube shell (3), the fertilizer suction port is connected with one end of a fertilizer injection tube B (16), the fertilizer applicator core body comprises a Venturi tube (4), a stepped trapezoidal jet orifice (5) and a rotational flow generating device (7), one end of the stepped 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 of irrigation water flow which is installed and implemented in a pipeline of the fertilizer applicator, a plurality of guide vanes (8) are arranged inside the rotational flow generating device (7), and a rotational flow generator with the guide vanes can form rotational flow and turbulent flow when water flows through, so as to be beneficial to the mixing of the irrigation water and the liquid fertilizer. 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 (20), and the baffle (20) can be an arc baffle, an annular baffle with a bracket or a structure with other shapes and can play a role in fixing.
The liquid outlet of the fertilizer barrel (11) is connected with one end of a fertilizer injection pipe A (13) 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 A (13) and the other end of a fertilizer injection pipe B (16). The two ends of the embedded negative pressure quick and 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 the quick connector and the flange or the threaded connector are connected in series with the irrigation drain pipe (25) according to the working water flow direction of the embedded negative pressure quick and uniform fertilizer applicator main body (2).
Referring to fig. 5, the fertilizer barrel (11) can be a fertilizer barrel group formed by connecting two fertilizer barrels, the outlet of the fertilizer injection pipe B of each fertilizer barrel is communicated with the liquid collecting pipe (26), so that different kinds of fertilizers can be simultaneously injected into the irrigation pipeline according to respective occupation amounts.
Referring to the attached figure 6, under the condition that the fertilizer needs to be pressurized or accelerated, the fertilizer can be loaded with a pressure regulating diaphragm pump or a common pressure pump, and the pressure regulating diaphragm pump 927 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 working principle of the invention is as follows: 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 jetted into the stepped trapezoidal jet orifice (5), and then the turbulent flow is brought into the rotational flow generating device (7) and simultaneously forms rotational flow, 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 a flow meter (14) and controlled and regulated by a flow regulating valve (15) under 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) to reduce the flow of the weight material 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 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.
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 flow meter may be a rotameter, an electronic flow meter, or a wireless or wired digital display flow meter with internet of things features.
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 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.
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 |
|---|---|---|---|
| CN201911291029.9A CN110800440A (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 |
|---|---|---|---|
| CN201911291029.9A CN110800440A (en) | 2019-12-16 | 2019-12-16 | Low-pressure quick-uniform irrigation fertilizer applicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110800440A true CN110800440A (en) | 2020-02-18 |
Family
ID=69493229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911291029.9A Pending CN110800440A (en) | 2019-12-16 | 2019-12-16 | Low-pressure quick-uniform irrigation fertilizer applicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110800440A (en) |
-
2019
- 2019-12-16 CN CN201911291029.9A patent/CN110800440A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201728173U (en) | Double-component spraying system | |
| CN105543443B (en) | A method of being used for coal gas of converter pressuring machine antisurge control system | |
| CN204425990U (en) | The venturi tube fertilising device of adjustable concentration | |
| CN110419310A (en) | A kind of low pressure irrigation double suction fertilizer mouth Development of Venturi Fertilizer Applicator | |
| CN104541730A (en) | Venturi fertilizing device capable of adjusting concentration and adjusting method | |
| CN110881299A (en) | Water and fertilizer integrated system for applying solid fertilizer | |
| CN109092914A (en) | A kind of steel rail rolling lubricating method and device | |
| CN206472497U (en) | A kind of water-fertilizer integral fertigation device | |
| CN201888177U (en) | Automatic medicine mixing device | |
| CN203289885U (en) | Venturi fertilizer injector | |
| CN203289884U (en) | Venturi fertilizer injector | |
| CN110800440A (en) | Low-pressure quick-uniform irrigation fertilizer applicator | |
| CN211831868U (en) | Low-pressure quick-uniform irrigation fertilizer applicator | |
| CN210381902U (en) | Fertilizer applicator | |
| CN202831091U (en) | Ejector device for high-rise water supply secondary pressurization | |
| CN207018233U (en) | A kind of gas-liquid two-phase flow regulation device | |
| CN207786493U (en) | Liquid manure mixing arrangement | |
| CN211353090U (en) | Bypass type water and fertilizer integrated machine for injecting fertilizer into branch pipeline | |
| CN204669883U (en) | A kind of ratio fertilising mixing arrangement | |
| CN210303223U (en) | High-pressure injection type medicine mixing device | |
| CN202054674U (en) | Chemical agent adding device for cooling water | |
| CN208757848U (en) | The injection apparatus of wool opener | |
| CN220674667U (en) | Agricultural cultivation drip irrigation device | |
| CN207626264U (en) | A kind of water-fertilizer integral irrigation system of branch detection | |
| CN102523812A (en) | Proportional water and fertilizer controlling machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination |