CN206283835U - Electrodynamic type ratio fertilizer applicator - Google Patents
Electrodynamic type ratio fertilizer applicator Download PDFInfo
- Publication number
- CN206283835U CN206283835U CN201621412848.6U CN201621412848U CN206283835U CN 206283835 U CN206283835 U CN 206283835U CN 201621412848 U CN201621412848 U CN 201621412848U CN 206283835 U CN206283835 U CN 206283835U
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- fertilizer
- water
- fertile
- straight tube
- tank
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Abstract
The utility model discloses a kind of electrodynamic type ratio fertilizer applicator,Including water main,Fertilizer mixer and controller,Water intaking straight tube is set on water main and enters fertile straight tube,Fertilizer mixer includes fertilizer tank,Set on fertilizer tank into Fei Kou,Agitating device,Separate layer,Water inlet,First fertilizer outlet and liquid level sensor,Fertilizer tank is divided into upper fertilizer tank and lower fertilizer tank two parts by separate layer,Second fertilizer outlet is set on separate layer,Magnetic valve is set at the second fertilizer outlet,Water inlet is with water intaking straight tube by soft pipe connection of fetching water,Water pump is set on water intaking flexible pipe,Set on water intaking straight tube and take water control valve,First fertilizer outlet is connected by entering fertile flexible pipe with fertile straight tube is entered,Enter and set on fertile flexible pipe into rich water pump,Enter and set on fertile straight tube into fertile control valve,Liquid level sensor is located in lower fertilizer tank,Agitating device,Liquid level sensor,Magnetic valve,Water pump,Enter rich water pump to be connected with controller.The utility model causes that the supply of fertilizer is uniform, it is ensured that fertilising is carried out continuously.
Description
Technical field
The utility model relates generally to field of farm irrigation, is mainly used in liquid manure in booth vegetable and cereal crops production
Integrated irrigation system, specifically a kind of electrodynamic type ratio fertilizer applicator.
Background technology
Water-fertilizer integral fertilizer practice is, by pressure system, soluble solids or liquid fertilizer to be dissolved into solution and filled
Irrigate water together, by controllable pipeline system water supply, fertilizer, after liquid manure is mutually melted, equal and quantitative is irrigated to crop root and develops life
Region long, is that will irrigate the new agricultural technology combined together with fertilising.The more commonly used is Development of Venturi Fertilizer Applicator in the prior art,
But generally there are problems with：1st, hydraulic pressure high is needed, it is higher to tubing requirement, it is higher with respect to cost；2nd, inhaled using water resistance
Fertilizer, makes pipeline water resistance increase, and water-carrying capacity diminishes, and irrigation efficiency is relatively low；3rd, it is higher using difficulty, when designing improper or not enough hydraulic pressure
Cisco unity malfunction.And in the prior art, a fertilizer tank is typically just set solution is provided, in irrigation volume than larger
In the case of, it is necessary to solution just compare it is many, the solution in a fertilizer tank can not meet the demand of irrigation, it is necessary to match somebody with somebody in addition
Put solution to be added into fertilizer tank, to ensure the carrying out of fertilizer irrigation, operate cumbersome.
Utility model content
In order to solve deficiency of the prior art, the utility model provides a kind of electrodynamic type ratio fertilizer applicator, it is not necessary to high
Hydraulic pressure, it is less demanding to tubing, it is only necessary to which that general conventional irrigation conduit is to be capable of achieving；Water-carrying capacity need not be turned down, fertilising is improved
Irrigation efficiency；The supply of fertilizer can be caused than more uniform, it is ensured that being carried out continuously for fertilising, it is easy to operate.
The utility model to achieve the above object, is achieved through the following technical solutions：
Electrodynamic type ratio fertilizer applicator, including water main, Fertilizer mixer and controller, on the water main according to water (flow) direction according to
Secondary to set water intaking straight tube and enter fertile straight tube, the Fertilizer mixer includes fertilizer tank, is set on the fertilizer tank into Fei Kou, stirring dress
Put, separate layer, water inlet, the first fertilizer outlet and liquid level sensor, it is described enter fertile mouth be located at the top of fertilizer tank, the separate layer
Fertilizer tank is divided into upper fertilizer tank and lower fertilizer tank two parts, the second fertilizer outlet is set on the separate layer, described second goes out fertilizer
Magnetic valve is set at mouthful, and the water inlet is located at the top of upper fertilizer tank, and is connected with water intaking straight tube by flexible pipe of fetching water, described
Water pump is set on water intaking flexible pipe, is set on the water intaking straight tube and is taken water control valve, first fertilizer outlet is located at lower fertilizer tank
It is upper and connect with fertile straight tube is entered by entering fertile flexible pipe, it is described enter fertile flexible pipe on set into rich water pump, it is described enter fertile straight tube on setting
Enter fertile control valve, the liquid level sensor is located in lower fertilizer tank, the agitating device, liquid level sensor, magnetic valve, water intaking
Pump, enter rich water pump and be connected with controller.
The agitating device includes being arranged at the agitating shaft at the top of fertilizer tank, and the agitating shaft is rotated with fertilizer tank and is connected,
The agitating shaft stretches out fertilizer tank outside and sets stirring motor, and the stirring motor is connected with agitating shaft, the stirring
Part of the axle position inside fertilizer tank sets agitating paddle, and the stirring motor is connected with controller.
Screen pack is set at second fertilizer outlet, and the screen pack is located at the upside of magnetic valve.
It is described enter fertile mouth for multiple.
It is described enter Fei Kouchu set and take out fertile flexible pipe, described taking out is provided for the fertile machine of taking out for drawing fertilizer on fertile flexible pipe, described
Fertile machine is taken out to be connected with controller.
The water intaking straight tube and enter between fertile straight tube to set check valve.
The side that is connected with water main of water intaking straight tube is tongue type structure, and concave surface is towards water (flow) direction.
It is described enter the side that is connected with water main of fertile straight tube be tongue type structure, and concave surface is away from water (flow) direction.
Prior art is contrasted, the utility model beneficial effect is：
1st, the utility model is less demanding to tubing without hydraulic pressure high, it is only necessary to which general conventional irrigation conduit can be real
It is existing；Water-carrying capacity need not be turned down, such that it is able to improve fertilizer irrigation efficiency.
2nd, the utility model can detect the liquid level in lower fertilizer tank by liquid level sensor, when liquid level goes out less than second
During fertile mouth, controller control solenoid closure, control water pump is opened, and the supreme fertilizer of clear water is extracted in control agitating device operation
It is used for complex fertilizer in tank, while artificially fertilizer can be added in upper fertilizer tank or automatically controlled that fertile machine extraction fertilizer is taken out, so
Can high concentration fertilizer solution not completely using it is complete when can carry out complex fertilizer operation, it is ensured that the abundance of high concentration fertilizer solution
Supply, it is easy to operate so that the supply of fertilizer is than more uniform, it is ensured that being carried out continuously for fertilising.
The 3rd, screen pack is set at the second fertilizer outlet, and screen pack is located at the upside of magnetic valve, and screen pack is used to filter not molten
The fertilizer of solution, it is to avoid block magnetic valve.
4th, it is multiple to enter fertile mouth, is easy to while placing various fertilizer carries out mixed dissolution.
5th, enter Fei Kouchu and set to take out fertile flexible pipe, take out to be provided for drawing fertilizer on fertile flexible pipe and take out fertile machine, take out can on fertile machine
Switching on and shutting down button is set to set the control panel for controlling to draw fertilizer, on control panel and fertilizer amount is taken out button is set, be easy to certainly
The appropriate fertilizer of dynamic extraction carries out mixed dissolution.
6th, fetch water and straight tube and enter between fertile straight tube to set check valve, it is to avoid be mixed into the water of fertilizer and flowed at water source, so that
Avoid the pollution at water source.
Brief description of the drawings
Accompanying drawing 1 is structural representation of the present utility model.
Accompanying drawing 2 is the structural representation of water intaking straight tube.
Accompanying drawing 3 is the structural representation into fertile straight tube.
Accompanying drawing 4 is theory structure schematic diagram of the present utility model.
Label shown in accompanying drawing：1st, water main；11st, water intaking straight tube；12nd, fertile straight tube is entered；2nd, controller；3rd, fertilizer tank；31、
Enter Fei Kou；311st, fertile flexible pipe is taken out；312nd, fertile machine is taken out；32nd, agitating device；321st, agitating shaft；322nd, stirring motor；323rd, stir
Oar；33rd, separate layer；34th, water inlet；35th, the first fertilizer outlet；36th, liquid level sensor；37th, upper fertilizer tank；38th, lower fertilizer tank；
39th, the second fertilizer outlet；40th, magnetic valve；41st, water intaking flexible pipe；42nd, water pump；43rd, water control valve is taken；44th, fertile flexible pipe is entered；45th, enter
Rich water pump；46th, fertile control valve is entered；5th, screen pack；6th, check valve.
Specific embodiment
With reference to the drawings and specific embodiments, the utility model is described in further detail.It should be understood that these embodiments are only used for
Illustrate the utility model rather than limit scope of the present utility model.In addition, it is to be understood that reading the utility model instruction
Content after, those skilled in the art can make various changes or modifications to the utility model, and these equivalent form of values equally fall
In in scope defined herein.
As shown in Figure 1, electrodynamic type ratio fertilizer applicator, including water main 1, Fertilizer mixer and controller 2, the water main
Set gradually according to water (flow) direction on 1 and fetch water straight tube 11 and enter fertile straight tube 12.The Fertilizer mixer includes fertilizer tank 3, the fertilizer
Set on tank 3 into fertile mouth 31, agitating device 32, separate layer 33, water inlet 34, the first fertilizer outlet 35 and liquid level sensor 36, institute
The top that fertilizer tank 3 is located at into fertile mouth 31 is stated, 3 points by fertilizer tank of the separate layer 33 is 38 liang of upper fertilizer tank 37 and lower fertilizer tank
Part, sets the second fertilizer outlet 39 on the separate layer 33, magnetic valve 40 is set at second fertilizer outlet 39.The water inlet
34 tops for being located at upper fertilizer tank 37, and connected with water intaking straight tube 11 by flexible pipe 41 of fetching water, set on the water intaking flexible pipe 41
Water pump 42, water pump 42 may be mounted on the outer wall of fertilizer tank 3.Set on the water intaking straight tube 11 and take water control valve 43.
First fertilizer outlet 35 is located on lower fertilizer tank 38 and is connected with fertile straight tube 12 is entered by entering fertile flexible pipe 44, it is described enter fertile flexible pipe
Set on 44 into rich water pump 45, enter rich water pump 45 and be installed on the inwall of lower fertilizer tank 38, it is described enter fertile straight tube 12 on set into
Fertile control valve 46, enters fertile control valve 46 for controlling the flow of high concentration fertilizer solution.The liquid level sensor 36 is located at
In lower fertilizer tank 38, may be mounted on the inwall of lower fertilizer tank 38.The agitating device 32, liquid level sensor 36, magnetic valve
40th, water pump 42, enter rich water pump 45 and be connected with controller 2.It can be hand to take water control valve 43 and enter fertile control valve 46
Dynamic shaping modes；Can also be electric model and be connected with controller 2, by controller 2 control take water control valve 43
The valve degree into fertile control valve 46 is opened and closed and adjusted, the switch that control takes the opening and closing of water control valve 43 is now set on controller 2
With adjust the button or knob into the valve degree of fertile control valve 46.
Principle of the present utility model is：Before fertilizer irrigation, the switch for taking water control valve is first opened, and regulate into fertilizer amount
Control the valve degree of valve, it would be desirable to fertilizer pour into fertilizer tank 3 after, take clear water and dissolve and stirred by agitating device, be made into height
Analysis fertilizer solution, then will be mixed in the high concentration fertilizer solution suction water main 1 of dissolving by entering rich water pump 45 with current
Irrigated and applied fertilizer；Liquid level sensor 36 is used to detect the liquid level in lower fertilizer tank 38, and liquid level information is transmitted to control
Device 2, when the liquid level in the lower fertilizer tank 38 of the detection of liquid level sensor 36 is relatively low, it is preferred that when liquid level is less than the second fertilizer outlet
When at 39, the control magnetic valve 40 of controller 2 is closed, and control water pump 42 is opened, and is extracted in the supreme fertilizer tank 37 of clear water for mixing
Fertilizer, control agitating device 32 runs, while fertilizer artificially can be added in upper fertilizer tank 37 or automatically controlled extraction fertilizer,
So can high concentration fertilizer solution not completely using it is complete when can carry out complex fertilizer operation, it is ensured that high concentration fertilizer solution
Abundance supply, so that the ratio of the supply of fertilizer is more uniform, it is ensured that fertilising is carried out continuously.Set in controller 2
A module for comparing size commonly used in the prior art is put, a setting value can be set to liquid level by controller 2,
When the liquid level of the detection of liquid level sensor 36 is less than setting value, the control magnetic valve 40 of controller 2 is closed, and controls water pump 42 dozens
Open, control agitating device 32 runs, and after certain hour is run, can artificially adjust controller 2, control to take by controller 2
Water pump 42 is out of service, and control agitating device 32 is out of service, and control magnetic valve 40 is opened, and makes the high concentration fertilizer after mixing
Solution is flowed into lower fertilizer tank 38, so as to ensure that the sufficient supply of high concentration fertilizer solution so that the comparing of the supply of fertilizer
Uniformly, it is ensured that fertilising is carried out continuously.Time module can also be set in controller 2, by setting time Separation control
Water pump 42 runs, agitating device 32 runs, the time of the closure of magnetic valve 40.
Further, as shown in Figure 1, the agitating device 32 includes being arranged at the agitating shaft 321 at the top of fertilizer tank 3,
The agitating shaft 321 is rotated with fertilizer tank 3 and is connected, and the agitating shaft 321 stretches out the outside of fertilizer tank 3 and sets stirring motor 322,
The stirring motor 322 is connected with agitating shaft 321, and the part that the agitating shaft 321 is located inside fertilizer tank 3 sets stirring
Oar 323, the stirring motor 322 is connected with controller 2.When complex fertilizer operation is carried out, stirring motor is controlled by controller 2
322 operations, so as to control agitating shaft 321 to rotate, make agitating paddle 323 stir fertilizer, to accelerate the dissolving of fertilizer.
Further, screen pack 5 is set at second fertilizer outlet 39, and the screen pack 5 is located at the upside of magnetic valve 40,
Screen pack 5 is located at the upside of separate layer 33 and can be arranged on separate layer 33 by bolt, and screen pack 5 is used to filter not dissolving
Fertilizer, it is to avoid block magnetic valve 40.
Further, it is described enter fertile mouth 31 for multiple, be easy to while placing various fertilizer carries out mixed dissolution.
Further, it is described enter fertile mouth 31 at set take out fertile flexible pipe 311, described taking out be provided on fertile flexible pipe 311 absorption
Fertilizer takes out fertile machine 312, and the fertile machine 312 of taking out is connected with controller 2, and smoking can set control and draw fertilizer on fertile machine 312
Control panel, sets switching on and shutting down button and takes out fertilizer amount and set button on control panel, being easy to extract appropriate fertilizer automatically is carried out
Mixed dissolution.When the liquid level in the lower fertilizer tank 38 of the detection of liquid level sensor 36 is less than setting value, the control magnetic valve of controller 2
40 closures, control water pump 42 is opened, while also control is taken out fertile machine 312 and run, controls the automatic extraction of fertilizer, simple and convenient.
Further, the water intaking straight tube 11 and enter to set check valve 6 between fertile straight tube 12, it is to avoid be mixed into the water of fertilizer to
Flowed at water source, so as to avoid the pollution at water source.
Further, as shown in Figure 2, the side that is connected with water main 1 of water intaking straight tube 11 is tongue type structure, and recessed
Face is towards water (flow) direction.
Further, as shown in Figure 3, it is described enter the side that is connected with water main 1 of fertile straight tube 12 be tongue type structure, it is and recessed
Face is away from water (flow) direction.
Embodiment
A kind of electrodynamic type ratio fertilizer applicator, including water main 1, Fertilizer mixer and controller 2, according to water on the water main 1
Stream direction sets gradually water intaking straight tube 11 and enters fertile straight tube 12.The side that the water intaking straight tube 11 is connected with water main 1 is tongue type
Structure, and concave surface is towards water (flow) direction.It is described enter the side that is connected with water main 1 of fertile straight tube 12 be tongue type structure, and concave surface is remote
From water (flow) direction.The water intaking straight tube 11 and enter to set check valve 6 between fertile straight tube 12.The Fertilizer mixer includes fertilizer tank 3,
Set on the fertilizer tank 3 into fertile mouth 31, agitating device 32, separate layer 33, water inlet 34, the first fertilizer outlet 35 and level sensing
Device 36.It is described enter fertile mouth 31 be located at fertilizer tank 3 top, it is described enter fertile mouth 31 for multiple, it is described enter fertile mouth 31 at set take out fertilizer
Flexible pipe 311, it is described take out to be provided for drawing fertilizer on fertile flexible pipe 311 take out fertile machine 312, the fertile machine 312 of taking out connects with controller 2
Connect.The agitating device 32 includes being arranged at the agitating shaft 321 at the top of fertilizer tank 3, and the agitating shaft 321 is rotated with fertilizer tank 3
Connection, the agitating shaft 321 stretches out the outside of fertilizer tank 3 and sets stirring motor 322, the stirring motor 322 and agitating shaft 321
Drive connection, the part that the agitating shaft 321 is located inside fertilizer tank 3 sets agitating paddle 323, the stirring motor 322 and control
Device processed 2 is connected.3 points by fertilizer tank of the separate layer 33 is upper fertilizer tank 37 and lower two parts of fertilizer tank 38, the separate layer 33
The second fertilizer outlet 39 of upper setting, sets magnetic valve 40 at second fertilizer outlet 39, filtering is set at second fertilizer outlet 39
Net 5, the screen pack 5 is located at the upside of magnetic valve 40.The water inlet 34 is located at the top of upper fertilizer tank 37, and by water intaking
Flexible pipe 41 is connected with water intaking straight tube 11, and water pump 42 is set on the water intaking flexible pipe 41, and water intaking is set on the water intaking straight tube 11
Control valve 43.First fertilizer outlet 35 is located on lower fertilizer tank 38 and is connected with fertile straight tube 12 is entered by entering fertile flexible pipe 44, institute
State and set on fertile flexible pipe 44 into rich water pump 45, it is described enter fertile straight tube 12 on set into fertile control valve 46.The level sensing
Device 36 is located in lower fertilizer tank 38, the agitating device 32, liquid level sensor 36, magnetic valve 40, water pump 42, takes water control valve
43rd, enter rich water pump 45, enter fertile control valve 46 and be connected with controller 2.The beneficial effect of the present embodiment is：Without Gao Shui
Pressure, it is less demanding to tubing, it is only necessary to which that general conventional irrigation conduit is to be capable of achieving；Water-carrying capacity need not be turned down, such that it is able to carry
Fertilizer irrigation efficiency high；The present embodiment can detect the liquid level in lower fertilizer tank 38 by liquid level sensor 36, when liquid level is low
When the second fertilizer outlet 39, the control magnetic valve 40 of controller 2 is closed, and control water pump 42 runs, and extracts the supreme fertilizer tank of clear water
It is interior, while fertile machine 312 is taken out in control extracts fertilizer, to control agitating device 32 to run for complex fertilizer, so can be in high concentration fertilizer
Solution not completely using it is complete when can carry out complex fertilizer operation, it is ensured that the sufficient supply of high concentration fertilizer solution, such that it is able to make
The supply of fertilizer is obtained than more uniform, it is ensured that being carried out continuously for fertilising, it is easy to operate.
Claims (8)
1. electrodynamic type ratio fertilizer applicator, including water main (1), Fertilizer mixer and controller (2), it is characterized in that：The water main
(1) set gradually according to water (flow) direction on and fetch water straight tube (11) and enter fertile straight tube (12), the Fertilizer mixer includes fertilizer tank (3),
Set on the fertilizer tank (3) into Fei Kou (31), agitating device (32), separate layer (33), water inlet (34), the first fertilizer outlet
(35) and liquid level sensor (36), it is described enter Fei Kou (31) positioned at the top of fertilizer tank (3), the separate layer (33) is by fertilizer tank
(3) it is divided into fertilizer tank (37) and lower fertilizer tank (38) two parts, the second fertilizer outlet (39), institute is set on the separate layer (33)
State the second fertilizer outlet (39) place and magnetic valve (40) is set, the water inlet (34) passes through positioned at the top of upper fertilizer tank (37)
Water intaking flexible pipe (41) is connected with water intaking straight tube (11), and water pump (42), the water intaking straight tube are set on water intaking flexible pipe (41)
(11) set on and take water control valve (43), first fertilizer outlet (35) is on lower fertilizer tank (38) and by entering fertile flexible pipe
(44) with enter fertile straight tube (12) and connect, it is described enter fertile flexible pipe (44) on set into rich water pump (45), it is described enter fertile straight tube (12) on
Set into fertile control valve (46), the liquid level sensor (36) is interior positioned at lower fertilizer tank (38), the agitating device (32), liquid
Level sensor (36), magnetic valve (40), water pump (42), enter rich water pump (45) and be connected with controller (2).
2. electrodynamic type ratio fertilizer applicator according to claim 1, it is characterized in that：The agitating device (32) is including being arranged at
Agitating shaft (321) at the top of fertilizer tank (3), the agitating shaft (321) rotates with fertilizer tank (3) and is connected, the agitating shaft (321)
Stretch out fertilizer tank (3) outside and stirring motor (322) be set, the stirring motor (322) is connected with agitating shaft (321),
The agitating shaft (321) sets agitating paddle (323), the stirring motor (322) and control positioned at the internal part of fertilizer tank (3)
Device (2) is connected.
3. electrodynamic type ratio fertilizer applicator according to claim 1, it is characterized in that：Second fertilizer outlet (39) place was set
Filter screen (5), upside of the screen pack (5) positioned at magnetic valve (40).
4. electrodynamic type ratio fertilizer applicator according to claim 1, it is characterized in that：It is described enter Fei Kou (31) be multiple.
5. electrodynamic type ratio fertilizer applicator according to claim 1, it is characterized in that：It is described enter Fei Kou (31) place set take out fertilizer it is soft
Pipe (311), it is described take out be provided for drawing fertilizer on fertile flexible pipe (311) take out fertile machine (312), the fertile machine (312) of taking out is with control
Device (2) connection processed.
6. electrodynamic type ratio fertilizer applicator according to claim 1, it is characterized in that：The water intaking straight tube and enters fertile straight tube at (11)
(12) check valve (6) is set between.
7. electrodynamic type ratio fertilizer applicator according to claim 1, it is characterized in that：It is described enter fertile flexible pipe (44) and water main
(1) side of connection is tongue type structure, and concave surface is away from water (flow) direction.
8. electrodynamic type ratio fertilizer applicator according to claim 1, it is characterized in that：Water intaking flexible pipe (41) and water main
(1) side of connection is tongue type structure, and concave surface is towards water (flow) direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621412848.6U CN206283835U (en) | 2016-12-22 | 2016-12-22 | Electrodynamic type ratio fertilizer applicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621412848.6U CN206283835U (en) | 2016-12-22 | 2016-12-22 | Electrodynamic type ratio fertilizer applicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206283835U true CN206283835U (en) | 2017-06-30 |
Family
ID=59104391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621412848.6U Expired - Fee Related CN206283835U (en) | 2016-12-22 | 2016-12-22 | Electrodynamic type ratio fertilizer applicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206283835U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108566798A (en) * | 2018-03-07 | 2018-09-25 | 成都蒲江珂贤科技有限公司 | A kind of planting fruit trees are digged pit the method for fertilizer apparatus and fertilising of digging pit |
| CN109952938A (en) * | 2017-12-25 | 2019-07-02 | 京蓝沐禾节水装备有限公司 | Fertigation device |
| CN112930821A (en) * | 2021-01-27 | 2021-06-11 | 河北省农林科学院石家庄果树研究所 | Automatic quantitative fertilizer injection unit of apple tree |
-
2016
- 2016-12-22 CN CN201621412848.6U patent/CN206283835U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109952938A (en) * | 2017-12-25 | 2019-07-02 | 京蓝沐禾节水装备有限公司 | Fertigation device |
| CN108566798A (en) * | 2018-03-07 | 2018-09-25 | 成都蒲江珂贤科技有限公司 | A kind of planting fruit trees are digged pit the method for fertilizer apparatus and fertilising of digging pit |
| CN112930821A (en) * | 2021-01-27 | 2021-06-11 | 河北省农林科学院石家庄果树研究所 | Automatic quantitative fertilizer injection unit of apple tree |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170630 Termination date: 20171222 |