CN111111488A - Automatic chemical feeding control device and chemical feeding method for compound fertilizer - Google Patents
Automatic chemical feeding control device and chemical feeding method for compound fertilizer Download PDFInfo
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- CN111111488A CN111111488A CN202010055661.XA CN202010055661A CN111111488A CN 111111488 A CN111111488 A CN 111111488A CN 202010055661 A CN202010055661 A CN 202010055661A CN 111111488 A CN111111488 A CN 111111488A
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- medicine
- electromagnetic valve
- weighing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
- B01F23/53—Mixing liquids with solids using driven stirrers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/82—Combinations of dissimilar mixers
- B01F33/821—Combinations of dissimilar mixers with consecutive receptacles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
- B01F35/881—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise by weighing, e.g. with automatic discharge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/32—Mixing fertiliser ingredients
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Catching Or Destruction (AREA)
- Fertilizing (AREA)
Abstract
The invention discloses an automatic chemical feeding control device for compound fertilizer, which comprises a control cabinet, a liquid medicine container, a cleaning liquid container, a mixing stirrer, a weighing and metering device, a spraying device, a weighing sensor, a liquid medicine stirrer, an electromagnetic valve and a pump, wherein a circulation loop is formed between the liquid medicine container and the weighing and metering device through a first medicine pipe and a second medicine pipe; also discloses a dosing method based on the automatic dosing control device for the compound fertilizer, which mainly comprises an anti-precipitation process, a medicament metering control process and a medicament spraying control process. The invention does not need to add medicine manually, has high automation degree, realizes automatic cleaning of equipment after production is finished, effectively solves the problems of inaccurate manual medicine adding, medicine precipitation, pipeline cleaning and the like in the original compound fertilizer production, particularly solves the problem of great harm to the body of workers in the medicine adding process, and simultaneously reduces the labor intensity of the workers.
Description
Technical Field
The invention relates to the technical field of compound fertilizer dispensing equipment, in particular to an automatic compound fertilizer dosing control device and a compound fertilizer dosing method.
Background
The addition of chemicals in the production process of the compound fertilizer is a necessary link and is mainly used for killing insect pests in soil and enabling crops to grow better. However, the existing compound fertilizer dosing mode has the following disadvantages:
1. has great harm to human body. The device mainly comprises a manual medicine adding system, wherein a worker manually takes out liquid medicine from a medicine containing container to a small container placed on a weighbridge, observes a display screen of the weighbridge to display whether the weight of the liquid medicine meets the requirement of the formula or not, and pours the liquid medicine in the small container into a mixing stirrer after the required weight is reached;
2. the product percent of pass is low. The dosage of the liquid medicine is small, the liquid medicine can not be fully contacted with each particle after being poured into the granules once, so that a part of the particles have no medicine, and the qualification rate of products can not be ensured. The workers pour the weighed liquid medicine into the mixer for one time to be stirred with the semi-finished compound fertilizer particles, and the obtained mixture enters a finished product packaging machine for packaging after being fully stirred.
3. The labor intensity of workers is high. Firstly, the liquid medicine in the medicine container is stirred evenly to prevent the medicine from depositing. Secondly, the liquid medicine is poured into a small container for weighing and metering, and the redundant liquid medicine is poured into a large container again. The measured medicines are poured into a mixing stirrer for repeated stirring. And finally, as the liquid medicine is easy to precipitate, the equipment is washed after each production.
Disclosure of Invention
The invention provides an automatic chemical feeding control device and a chemical feeding method for a compound fertilizer, aiming at solving the defects of the prior art, so that the chemical feeding process of the compound fertilizer can be automatically completed, the accurate chemical feeding can be realized, the labor intensity of workers is reduced, and the product percent of pass is improved.
In order to achieve the purpose, the invention provides the following technical scheme:
an automatic chemical feeding control device for compound fertilizers comprises a control cabinet, a liquid medicine container, a cleaning liquid container, a mixing stirrer and a weighing and metering device, wherein a circulation loop is formed between the liquid medicine container and the weighing and metering device through a first medicine pipe and a second medicine pipe, the first medicine pipe is sequentially provided with a first electromagnetic valve, a medicine inlet pump and a second electromagnetic valve from one end connected with the liquid medicine container to one end connected with the weighing and metering device, and the second medicine pipe is sequentially provided with a third electromagnetic valve, a medicine outlet pump and a fourth electromagnetic valve from one end connected with the weighing and metering device to one end connected with the liquid medicine container; a spraying device is arranged in the mixing stirrer, the spraying device is connected into a second medicine pipe between the medicine outlet pump and the fourth electromagnetic valve through a pipeline, and a fifth electromagnetic valve is arranged on the pipeline between the spraying device and the second medicine pipe; the cleaning liquid container is connected to a first medicine pipe between the first electromagnetic valve and the medicine inlet pump through a pipeline, a sixth electromagnetic valve is arranged on the pipeline between the cleaning liquid container and the first medicine pipe, a cleaning liquid return pipe is arranged on a second medicine pipe between the medicine outlet pump and the fourth electromagnetic valve, a seventh electromagnetic valve is arranged on the cleaning liquid return pipe, and the cleaning liquid return pipe extends into the cleaning liquid container; the weighing and metering device is provided with a weighing sensor used for weighing the weight of the liquid medicine in the weighing and metering device; the mixing stirrer, the medicine outlet pump, the medicine inlet pump, the weighing sensor and each electromagnetic valve are electrically connected with the control cabinet.
Furthermore, the weighing and metering device is provided with an emptying port, and the emptying port enables the weighing and metering device to be communicated with the outside.
Furthermore, a liquid medicine stirrer is arranged in the liquid medicine container and is used for stirring liquid medicine in the liquid medicine container.
The chemical adding method based on the automatic chemical adding control device for the compound fertilizer comprises the following steps:
the method comprises the following steps: opening the liquid medicine stirrer, the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve, and operating the medicine inlet pump and the medicine outlet pump in a power frequency mode to enable liquid medicine to circularly flow between the liquid medicine container and the weighing container;
step two: closing the third electromagnetic valve and the fourth electromagnetic valve, simultaneously stopping the operation of the medicine outlet pump, switching the medicine inlet pump into variable frequency operation, and performing PID (proportion integration differentiation) operation on the weight set by the control cabinet and the actually measured weight of the weighing sensor to control the rotating speed of the medicine inlet pump; stopping the operation of the medicine feeding pump and closing the second electromagnetic valve after the set weight is reached;
step three: adding the compound fertilizer into a mixing stirrer, starting a pesticide discharging pump, and starting a fifth electromagnetic valve to uniformly spray pesticide liquid on the surface of the compound fertilizer in the mixing stirrer through a spraying device, wherein the mixing stirrer rotates forwards and backwards repeatedly to enable the compound fertilizer to be fully contacted with the pesticide liquid;
step four: and after the weighing sensor detects that the liquid medicine in the weighing container is sprayed, the third electromagnetic valve, the medicine outlet pump and the fifth electromagnetic valve are closed, and the mixed product in the mixing stirrer is discharged to a packaging machine and enters the next working cycle.
After production is finished, the weighing sensor transmits a detected weight signal of the liquid medicine in the weighing and metering device to the control cabinet; when the weight of the liquid medicine in the weighing and metering device is zero, all the electromagnetic valves, the medicine outlet pump and the medicine inlet pump are closed; when the weight of the liquid medicine in the weighing and metering device is larger than zero, the first electromagnetic valve, the second electromagnetic valve and the medicine inlet pump are closed, the third electromagnetic valve, the fourth electromagnetic valve and the medicine outlet pump are opened, and the third electromagnetic valve, the fourth electromagnetic valve and the medicine outlet pump are closed after the liquid medicine in the weighing and metering device is emptied.
Has the advantages that: according to the invention, manual dosing is not needed, and only the required drug dosage is input on the screen of the control cabinet according to the formula, the anti-precipitation process, the drug metering control process and the drug spraying control process in the compound fertilizer production can be automatically completed, and the automatic cleaning after the production is finished is realized. The invention effectively solves the problems of inaccurate manual medicine adding, medicine precipitation, pipeline cleaning and the like in the original compound fertilizer production, particularly the problem that the medicine adding process has great harm to the body of workers, simultaneously reduces the labor intensity of the workers, improves the qualification rate of products, and provides powerful guarantee for the reliable operation of a modern large-scale compound fertilizer production line.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic of the present invention.
The reference numerals are explained below:
in the figure: 1. a control cabinet; 2. a mixing stirrer; 3. a spraying device; 4. a liquid medicine stirrer; 5. a liquid medicine container; 6. a first solenoid valve; 7. a fifth solenoid valve; 8. a fourth solenoid valve; 9. a seventh electromagnetic valve; 10. a cleaning solution container; 11. a sixth electromagnetic valve; 12. a medicine outlet pump; 13. a medicine inlet pump; 14. emptying the air; 15. a weighing sensor; 16. a weighing and metering device; 17. a third electromagnetic valve; 18. a second solenoid valve; 19. a first cartridge; 20. a second cartridge; 21. a cleaning liquid return pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1, the invention provides an automatic compound fertilizer dosing control device, which comprises a control cabinet 1, a liquid medicine container 5, a cleaning liquid container 10, a mixing stirrer 2 and a weighing and metering device 16, wherein a circulation loop is formed between the liquid medicine container 5 and the weighing and metering device 16 through a first medicine pipe 19 and a second medicine pipe 20, the first medicine pipe 19 is sequentially provided with a first electromagnetic valve 6, a medicine inlet pump 13 and a second electromagnetic valve 18 from one end connected with the liquid medicine container 5 to one end connected with the weighing and metering device 16, and the second medicine pipe 20 is sequentially provided with a third electromagnetic valve 17, a medicine outlet pump 12 and a fourth electromagnetic valve 8 from one end connected with the weighing and metering device 16 to one end connected with the liquid medicine container 5; a spraying device 3 is arranged in the mixing stirrer 2, the spraying device 3 is connected into a second medicine pipe 20 between the medicine outlet pump 12 and the fourth electromagnetic valve 8 through a pipeline, and a fifth electromagnetic valve 7 is arranged on the pipeline between the spraying device 3 and the second medicine pipe 20; the cleaning liquid container 10 is connected to a first medicine pipe 19 between the first electromagnetic valve 6 and the medicine inlet pump 13 through a pipeline, a sixth electromagnetic valve 11 is arranged on the pipeline between the cleaning liquid container 10 and the first medicine pipe 19, a cleaning liquid return pipe 21 is arranged on a second medicine pipe 20 between the medicine outlet pump 12 and the fourth electromagnetic valve 8, a seventh electromagnetic valve 9 is arranged on the cleaning liquid return pipe 21, and the cleaning liquid return pipe 21 extends into the cleaning liquid container 10; the weighing and metering device 16 is provided with a weighing sensor 15 for weighing the weight of the liquid medicine in the weighing and metering device 16; the mixing stirrer 2, the medicine outlet pump 12, the medicine inlet pump 13, the weighing sensor 15 and each electromagnetic valve are electrically connected with the control cabinet 1.
In the invention, the weighing and metering device 16 is provided with the evacuation port 14, and the evacuation port 14 enables the weighing and metering device 16 to be communicated with the outside so as to prevent the weighing and metering device 16 from generating overpressure.
In the present invention, a chemical solution stirrer 4 is provided in the chemical solution container 5, and the chemical solution stirrer 4 is used for stirring the chemical solution in the chemical solution container 5. When in use, the liquid medicine can be prevented from precipitating to some extent between the weighing and metering device 16 and the liquid medicine container 5, and the precipitation prevention effect can be further enhanced by the stirring of the liquid medicine stirrer 4.
The compound fertilizer dosing method based on the compound fertilizer automatic dosing control device comprises the following steps:
the method comprises the following steps: opening the liquid medicine stirrer 4, the first electromagnetic valve 6, the second electromagnetic valve 18, the third electromagnetic valve 17 and the fourth electromagnetic valve 8, and operating the medicine inlet pump 13 and the medicine outlet pump 12 in a power frequency mode to enable liquid medicine to circularly flow between the liquid medicine container 5 and the weighing container 16; the precipitation of the chemical liquid can be effectively prevented by the agitation of the chemical liquid agitator 4 and the circulation of the chemical liquid between the chemical liquid container 5 and the weighing container 16 in this step, and therefore this step is also referred to as an anti-precipitation process.
Step two: closing the third electromagnetic valve 17 and the fourth electromagnetic valve 8, simultaneously stopping the operation of the medicine outlet pump 12, switching the medicine inlet pump 13 into variable frequency operation, and performing PID (proportion integration differentiation) operation on the weight set by the control cabinet 1 and the actually measured weight of the weighing sensor 15 to control the rotating speed of the medicine inlet pump 13; stopping the operation of the medicine inlet pump 13 after the set weight is reached and closing the second electromagnetic valve 18; this step is mainly used to weigh a certain weight of liquid medicine, which is also referred to as a dose metering control process.
Step three: adding the compound fertilizer into the mixing stirrer 2, starting the pesticide discharging pump 12, opening the fifth electromagnetic valve 7, enabling pesticide liquid to be uniformly sprayed on the surface of the compound fertilizer in the mixing stirrer 2 through the spraying device 3, and enabling the compound fertilizer to be fully contacted with the pesticide liquid through repeated forward and reverse rotation of the mixing stirrer 2, so that the qualification rate of products is effectively improved, and the step is also called as pesticide spraying control process.
Step four: after the weighing sensor 15 detects that the liquid medicine in the weighing container 16 is sprayed, the third electromagnetic valve 17, the medicine outlet pump 12 and the fifth electromagnetic valve 7 are closed, and the mixed product in the material mixing stirrer 2 is discharged to a packaging machine and enters the next working cycle.
The cleaning process of the invention is as follows: after production is finished, the second electromagnetic valve 18, the third electromagnetic valve 17, the sixth electromagnetic valve 11 and the seventh electromagnetic valve 9 are opened, the medicine outlet pump 12 and the medicine inlet pump 13 run in a power frequency mode, after the running time of the medicine outlet pump 12 and the medicine inlet pump 13 reaches the preset time of the control cabinet 1, the second electromagnetic valve 18, the third electromagnetic valve 17, the sixth electromagnetic valve 11 and the seventh electromagnetic valve 9 are closed, meanwhile, the medicine outlet pump 12 and the medicine inlet pump 13 are stopped, and the equipment enters a shutdown state.
In the using process of the invention, firstly, a control program is set through the control cabinet 1, the control cabinet 1 is utilized to select a production mode, parameters required by the formula, such as the dosage of liquid medicine, the anti-precipitation stirring time and the compound fertilizer particle stirring time, are input on a screen of the control cabinet 1, a start button on the control cabinet 1 is pressed, the control cabinet 1 starts to execute the step one according to the preset time, and after the set time is reached, the system automatically starts to execute the step two. In the second step, the speed of the medicine inlet pump 12 is adjusted and the medicine liquid with the required medicine amount is weighed by collecting the signal of the weighing sensor 15 and performing PID operation on the set weight, and the medicine pump 13 and the relevant electromagnetic valve are closed after the required medicine amount is reached. In the third step, according to the time preset by the control cabinet 1, the pesticide is sprayed on the surfaces of the compound fertilizer particles in a fog shape through the spraying device 3, so that the compound fertilizer particles are fully contacted with the pesticide liquid, and the product percent of pass is ensured. Finally, the finished product is discharged to the packaging machine through the mixer 2, while the apparatus enters the next production cycle until the operator presses the stop button on the control cabinet 1.
According to the invention, manual medicine adding is not needed, only the required medicine dosage is input on the screen of the control cabinet 1 according to the formula, and the control cabinet 1 automatically controls and finishes the anti-precipitation process, the medicine metering control process, the medicine spraying control process and the automatic cleaning process in the production of the compound fertilizer, so that the labor intensity of workers is reduced. The invention effectively solves the problems of inaccurate manual dosing, medicament precipitation, pipeline cleaning and the like in the original compound fertilizer production, particularly the problem that the dosing process has great harm to the body of workers, and provides powerful guarantee for the reliable operation of a modern large-scale compound fertilizer production line. The invention obtains good use effect through field application.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (5)
1. The automatic compound fertilizer dosing control device is characterized by comprising a control cabinet (1), a liquid medicine container (5), a cleaning liquid container (10), a mixing stirrer (2) and a weighing and metering device (16), wherein a circulation loop is formed between the liquid medicine container (5) and the weighing and metering device (16) through a first liquid medicine pipe (19) and a second liquid medicine pipe (20), the first liquid medicine pipe (19) is sequentially provided with a first electromagnetic valve (6), a liquid medicine inlet pump (13) and a second electromagnetic valve (18) from one end connected with the liquid medicine container (5) to one end connected with the weighing and metering device (16), and the second liquid medicine pipe (20) is sequentially provided with a third electromagnetic valve (17), a liquid medicine outlet pump (12) and a fourth electromagnetic valve (8) from one end connected with the weighing and metering device (16) to one end connected with the liquid medicine container (5); a spraying device (3) is arranged in the mixing stirrer (2), the spraying device (3) is connected into a second medicine pipe (20) between the medicine outlet pump (12) and the fourth electromagnetic valve (8) through a pipeline, and a fifth electromagnetic valve (7) is arranged on the pipeline between the spraying device (3) and the second medicine pipe (20); the cleaning solution container (10) is connected to a first medicine pipe (19) between the first electromagnetic valve (6) and the medicine inlet pump (13) through a pipeline, a sixth electromagnetic valve (11) is arranged on the pipeline between the cleaning solution container (10) and the first medicine pipe (19), a cleaning solution return pipe (21) is arranged on a second medicine pipe (20) between the medicine outlet pump (12) and the fourth electromagnetic valve (8), a seventh electromagnetic valve (9) is arranged on the cleaning solution return pipe (21), and the cleaning solution return pipe (21) extends into the cleaning solution container (10); a weighing sensor (15) used for weighing the weight of the liquid medicine in the weighing and metering device (16) is arranged on the weighing and metering device (16); the mixing stirrer (2), the medicine outlet pump (12), the medicine inlet pump (13), the weighing sensor (15) and each electromagnetic valve are electrically connected with the control cabinet (1).
2. The automatic compound fertilizer dosing control device of claim 1, characterized in that: the weighing and metering device (16) is provided with an evacuation port (14), and the evacuation port (14) enables the weighing and metering device (16) to be communicated with the outside.
3. The automatic compound fertilizer dosing control device of claim 1, characterized in that: a liquid medicine stirrer (4) is arranged in the liquid medicine container (5), and the liquid medicine stirrer (4) is used for stirring liquid medicine in the liquid medicine container (5).
4. A dosing method by using the automatic dosing control device for compound fertilizer as claimed in claim 3, characterized by comprising the following steps:
the method comprises the following steps: opening the liquid medicine stirrer (4), the first electromagnetic valve (6), the second electromagnetic valve (18), the third electromagnetic valve (17) and the fourth electromagnetic valve (8), and operating the medicine inlet pump (13) and the medicine outlet pump (12) in a power frequency mode to enable liquid medicine to circularly flow between the liquid medicine container (5) and the weighing container (16);
step two: closing the third electromagnetic valve (17) and the fourth electromagnetic valve (8), simultaneously stopping the operation of the medicine outlet pump (12), switching the medicine inlet pump (13) into variable frequency operation, and performing PID (proportion integration differentiation) operation on the weight set by the control cabinet (1) and the actually measured weight of the weighing sensor (15) to control the rotating speed of the medicine inlet pump (13); stopping the operation of the medicine inlet pump (13) after the set weight is reached and closing the second electromagnetic valve (18);
step three: adding the compound fertilizer into the mixing stirrer (2), starting the pesticide discharging pump (12), opening the fifth electromagnetic valve (7), uniformly spraying the pesticide liquid on the surface of the compound fertilizer in the mixing stirrer (2) through the spraying device (3), and repeatedly rotating the mixing stirrer (2) forward and backward to make the compound fertilizer fully contact with the pesticide liquid;
step four: after the weighing sensor (15) detects that the liquid medicine in the weighing container (16) is sprayed, the third electromagnetic valve (17), the medicine outlet pump (12) and the fifth electromagnetic valve (7) are closed, and the mixed product in the material mixing stirrer (2) is discharged to a packaging machine and enters the next working cycle.
5. The chemical adding method of the automatic chemical adding control device for compound fertilizer according to claim 4, characterized in that: after production is finished, the weighing sensor (15) transmits a detected weight signal of the liquid medicine in the weighing and metering device (16) to the control cabinet (1); when the weight of the liquid medicine in the weighing and metering device (16) is zero, all the electromagnetic valves, the medicine outlet pump (12) and the medicine inlet pump (13) are closed; when the weight of the liquid medicine in the weighing and metering device (16) is more than zero, the first electromagnetic valve (6), the second electromagnetic valve (18) and the medicine inlet pump (13) are closed, the third electromagnetic valve (17), the fourth electromagnetic valve (8) and the medicine outlet pump (12) are opened, and the third electromagnetic valve (17), the fourth electromagnetic valve (8) and the medicine outlet pump (12) are closed after the liquid medicine in the weighing and metering device (16) is emptied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010055661.XA CN111111488A (en) | 2020-01-17 | 2020-01-17 | Automatic chemical feeding control device and chemical feeding method for compound fertilizer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010055661.XA CN111111488A (en) | 2020-01-17 | 2020-01-17 | Automatic chemical feeding control device and chemical feeding method for compound fertilizer |
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| CN111111488A true CN111111488A (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010055661.XA Pending CN111111488A (en) | 2020-01-17 | 2020-01-17 | Automatic chemical feeding control device and chemical feeding method for compound fertilizer |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1180364A (en) * | 1968-06-24 | 1970-02-04 | Ferguson Ind Inc | Fertilizer Blender |
| US5829873A (en) * | 1995-12-14 | 1998-11-03 | King; Woodrow | Apparatus for mixing granular fertilizer and/or lawn treatment liquid in water |
| CN202099079U (en) * | 2011-05-12 | 2012-01-04 | 陕西华诚首创环保科技有限公司 | Intellectualized chemical adding system used for water treatment |
| CN202376921U (en) * | 2011-08-09 | 2012-08-15 | 新疆蓝山屯河聚酯有限公司 | Suspension preparation equipment in chemical production |
| CN105771781A (en) * | 2014-12-24 | 2016-07-20 | 重庆鑫仕达包装设备有限公司 | A glue mixer preventing half blockage of glue conveying pipes |
| CN108246201A (en) * | 2017-12-27 | 2018-07-06 | 云南云天化农业科技股份有限公司 | It is a kind of to be used for the control method with fertile equipment, control device and with fertile equipment |
| CN208177287U (en) * | 2018-04-12 | 2018-12-04 | 重庆市众力生物工程股份有限公司 | A kind of solid-liquid fertilizer mixing arrangement |
| CN211800587U (en) * | 2020-01-17 | 2020-10-30 | 河南润民自动化设备有限公司 | Compound fertilizer automatic reagent feeding controlling means |
-
2020
- 2020-01-17 CN CN202010055661.XA patent/CN111111488A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1180364A (en) * | 1968-06-24 | 1970-02-04 | Ferguson Ind Inc | Fertilizer Blender |
| US5829873A (en) * | 1995-12-14 | 1998-11-03 | King; Woodrow | Apparatus for mixing granular fertilizer and/or lawn treatment liquid in water |
| CN202099079U (en) * | 2011-05-12 | 2012-01-04 | 陕西华诚首创环保科技有限公司 | Intellectualized chemical adding system used for water treatment |
| CN202376921U (en) * | 2011-08-09 | 2012-08-15 | 新疆蓝山屯河聚酯有限公司 | Suspension preparation equipment in chemical production |
| CN105771781A (en) * | 2014-12-24 | 2016-07-20 | 重庆鑫仕达包装设备有限公司 | A glue mixer preventing half blockage of glue conveying pipes |
| CN108246201A (en) * | 2017-12-27 | 2018-07-06 | 云南云天化农业科技股份有限公司 | It is a kind of to be used for the control method with fertile equipment, control device and with fertile equipment |
| CN208177287U (en) * | 2018-04-12 | 2018-12-04 | 重庆市众力生物工程股份有限公司 | A kind of solid-liquid fertilizer mixing arrangement |
| CN211800587U (en) * | 2020-01-17 | 2020-10-30 | 河南润民自动化设备有限公司 | Compound fertilizer automatic reagent feeding controlling means |
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Application publication date: 20200508 |
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