CN212441103U - Quantitative supply system for compound fertilizer anti-caking agent - Google Patents
Quantitative supply system for compound fertilizer anti-caking agent Download PDFInfo
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- CN212441103U CN212441103U CN202021778138.1U CN202021778138U CN212441103U CN 212441103 U CN212441103 U CN 212441103U CN 202021778138 U CN202021778138 U CN 202021778138U CN 212441103 U CN212441103 U CN 212441103U
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Abstract
The invention discloses a quantitative supply system for a composite fertilizer anti-caking agent, which is mainly used for an accurate automatic control given device for the anti-caking agent (oil and powder) of the composite fertilizer. The heat preservation treatment and the accurate metering of the steam jacket in the whole process of the oil are included. The precise setting of the powder ensures that the anti-caking agent required by production can meet the production requirement. The adjustability of PID parameters, a historical data curve chart, proportioning proportion setting, instantaneous quantity, accumulative quantity and other parameters are clear at a glance. The editability of the PLC and the touch screen can be flexibly edited according to the field process requirement. Various alarm devices can prompt various fault information in time, and the method is safe and reliable. The external communication port can be communicated with a process control system on the existing production line, the requirement of automatic production is met, and the compatibility is strong.
Description
Technical Field
The utility model relates to a compound fertilizer production line field, concretely relates to a quantitative supply system for compound fertilizer anticaking agent.
Background
At present, anti-caking agents for compound fertilizers mainly comprise two main types of coated oil and coated powder. The envelope oil is measured by a gear metering pump, and the liquid level of the oil tank is manually measured to check whether the oil consumption is normal or not. The coating powder controls the rotating speed of the disc through a frequency converter to control the given amount of the coating powder. In the control mode, the metering of the anti-caking agent is extremely inaccurate, the error is large, and the quality problem of the compound fertilizer is caused as the anti-caking agent is not mixed with the compound fertilizer according to the requirement. Too much anticaking agent causes system scabs and anticaking agent waste. Too little anti-caking agent causes the hardening and caking of the compound fertilizer. And manual oil level measurement has a large safety risk and inaccurate measurement due to high oil temperature (80-90 ℃).
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a quantitative supply system for a compound fertilizer anti-caking agent aiming at the defects at present.
The utility model relates to a coated oil conveying device, a coated powder conveying device and a anticaking agent mixing and stirring tank,
the coated oil conveying device comprises a coated oil tank, a plunger pump, a flowmeter and a coated oil nozzle,
the coated oil tank is a coated oil tank with a heat-insulating jacket, a steam heating coil is arranged in the coated oil tank,
a plunger pump is arranged at the outlet of the envelope oil tank, a heat-insulating jacket is arranged on the shell of the plunger pump,
a flowmeter is arranged at the outlet of the plunger pump, a heat-insulating jacket is arranged on the flowmeter,
the outlet end of the flowmeter is provided with a coated oil spray head, and the coated oil spray head is provided with a heat-insulating jacket,
the outlet of the flow meter is communicated with the oil inlet of the anti-caking agent mixing and stirring tank,
the coated powder conveying device comprises a coated powder bin, a quantitative belt scale and a ripple sensor,
a discharge hopper is arranged at the discharge outlet of the coated powder bin,
the feed end of the quantitative belt scale is positioned at the outlet of the discharge hopper,
the ripple sensor is arranged below the scale body of the quantitative belt scale and supports the scale body of the quantitative belt scale through the universal seat,
the discharge end of the quantitative belt scale is provided with a conveying belt which is positioned at a powder inlet of the anticaking agent mixing tank.
And a steam self-regulating valve is arranged at the outlet of the coated oil tank, a tee joint is arranged at the outlet of the steam self-regulating valve, a compressed air pipe is communicated with one inlet of the tee joint, and a plunger pump is arranged at the other outlet of the tee joint.
The weight controller is in communication connection with the signal output end of the ripple sensor;
the PLC controller is in communication connection with the signal output end of the weight controller;
and the time relay is in communication connection with the signal input end of the PLC and is used for controlling the running time of the belt of the quantitative belt scale through time.
The flow meter is a mass flow meter.
The ripple sensors are at least four or more and arranged in pairs.
An electric valve is arranged at the discharge port of the coating powder bin.
The contact end of the universal seat and the scale body is made of rubber, one end of the universal seat is a threaded end, and one end of the universal seat penetrates through a hole in the end portion of the corrugated sensor and is locked through a bolt.
The universal seat comprises a round table-shaped base, a ball body and a connecting rod, a placing groove used for placing the ball body is formed in the round table-shaped base, the ball body is located in the placing groove and placed in the placing groove through a protrusion at the bottom of the placing groove, one end of the connecting rod is connected with the ball body, and the other end of the connecting rod is connected with the ripple sensor.
The utility model has the advantages that: 1. timeliness: the original manual timing is changed into the on-line real-time monitoring of the anti-caking agent, so that whether the oil and powder consumption meets the requirements or not can be timely and effectively found.
2. Effectiveness: the system comprises a control system, a measuring system, an alarm system and a material-breaking and material-supplementing system. If the oil and powder consumption is found to exceed or be lower than the set value within a certain time, the alarm can be given in time and the abnormal time can be recorded, so that the long-time oil/powder cut can be effectively avoided.
3. The accuracy is as follows: the anti-caking agent (oil) is non-conductive, and a high-precision mass flow meter 13 (0.2% precision) with a 6mm measuring tube is adopted. The anticaking agent (powder) is used for double measurement, and the precision is reliable.
4. Editability: and a combined structure of a PLC and a touch screen is adopted, so that the editability is strong. The program and the control picture can be edited according to the actual conditions of the production field and different requirements.
5. Safe and labor-saving: the oil level is not required to be measured manually, and manual intervention is reduced. The method has better effects on reducing labor intensity, labor employment and safety risk.
Description of the drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of a quantitative belt scale.
FIG. 3 is a schematic diagram of a ripple sensor configuration.
FIG. 4 is a schematic view of a gimbal mechanism.
Fig. 5 is a schematic diagram of the control system structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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 protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "inside", "outside", etc. are used for indicating the orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention usually place when using, the present invention is only used for convenience of description and simplification of the description, but does not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operate, and thus, the present invention should not be construed as being limited. Furthermore, the appearances of the terms "first," "second," and the like in the description of the present invention are only used for distinguishing between the descriptions and are not intended to indicate or imply relative importance.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in the figure, the utility model comprises a film coating oil conveying device, a film coating powder conveying device and a anticaking agent mixing and stirring tank,
the coated oil conveying device comprises a coated oil tank 11, a plunger pump 12, a flowmeter 13 and a coated oil nozzle 14,
the coated oil tank 11 is a coated oil tank 11 with a heat-insulating jacket, a steam heating coil is arranged in the coated oil tank 11,
a plunger pump 12 is arranged at the outlet of the envelope oil tank 11, a heat-insulating jacket is arranged on the shell of the plunger pump 12,
a flow meter 13 is arranged at the outlet of the plunger pump 12, a heat-insulating jacket is arranged on the flow meter 13,
the outlet end of the flowmeter 13 is provided with a coated oil spray head 14, the coated oil spray head 14 is provided with a heat-insulating jacket,
the outlet of the flow meter 13 is communicated with the oil inlet of the anti-caking agent mixing and stirring tank,
the coating powder conveying device comprises a coating powder bin 5, a quantitative belt scale 1 and a ripple sensor 2,
a discharge opening of the coated powder bin 5 is provided with a discharge hopper,
the feeding end of the quantitative belt scale 1 is positioned at the outlet of the discharging hopper,
the ripple sensor 2 is arranged below the scale body of the quantitative belt scale 1 and supports the scale body of the quantitative belt scale 1 through the universal seat 3,
the discharge end of the quantitative belt scale 1 is provided with a conveying belt which is positioned at a powder inlet of the anticaking agent mixing tank.
And a steam self-regulating valve is arranged at the outlet of the coated oil tank 11, a tee joint is arranged at the outlet of the steam self-regulating valve, a compressed air pipe 15 is communicated with one inlet of the tee joint, and a plunger pump 12 is arranged at the other outlet of the tee joint.
The weight controller is in communication connection with the signal output end of the ripple sensor 2;
the PLC controller is in communication connection with the signal output end of the weight controller;
and the time relay is in communication connection with a signal input end of the PLC and is used for controlling the running time of the belt of the quantitative belt scale 1 through time.
The flow meter 13 is a mass flow meter 13.
The ripple sensors 2 are at least four or more and arranged in pairs.
An electric valve is arranged at the discharge port of the coating powder bin 5.
The contact end of the universal base 3 and the scale body is made of rubber, one end of the universal base 3 is a threaded end, and one end of the universal base 3 penetrates through a hole in the end part of the corrugated sensor 2 and is locked through a bolt.
The working mode is as follows: the coated oil enters the anticaking agent mixing tank through a plunger pump 12, a flowmeter 13 and a coated oil spray head 14 in sequence,
the tectorial membrane powder gets into on the scale body of quantitative belt weigher 1 and from import operation to export, this time is a, the a time is the system setup time, when the material through tectorial membrane powder feed bin 5 got into the scale body of quantitative belt weigher 1, stop 1 second after the operation A time, the scale body of carrying out quantitative belt weigher 1 and ripple sensor 2 detect and weigh, ripple sensor 2 gives PLC with weight data transmission, check the mistake back, can carry to in the anti-mixing agent jar, if take place the mistake and need change time A's data.
1. A steam heating coil is additionally arranged in the anti-caking agent (oil) tank, a steam self-regulating valve is arranged, and the oil temperature in the tank is stabilized and is always kept within a set temperature range (85-90 ℃).
2. A steam heat-preservation jacket plunger pump 12 is used as a delivery pump of the anticaking agent (oil), and a pump body is subjected to heat preservation by adopting a steam jacket. The phenomenon that the anti-caking agent is condensed and blocks the pump due to low temperature is avoided. At the outlet of the pump a mass flow meter 13 is mounted as a precision measuring instrument. The mass flow meter 13 is also insulated with a steam jacket to prevent clogging of the measurement tube of the flow meter 13. The outlet of the flowmeter 13 is connected with a coated oil spray head 14, and the heat preservation of a steam jacket is also realized. The whole process of the anti-caking agent (oil) covers the steam jacket for heat preservation, so that the constant-temperature operation of the oil is ensured, and the whole pipeline cannot be blocked due to low temperature. A compressed air pipe (dry compressed air must be used because the oil can not contain water) is additionally arranged at the inlet of the plunger pump 12 and used for blowing the pipe, so that the pipe can be conveniently and quickly blown when the oil way is blocked, and the smoothness of the oil way is ensured.
3. The anti-caking agent (powder) comes from a storage bin and is combined by a quantitative belt scale 1 and a ripple sensor 2. The powder is accurately and stably mixed with the compound fertilizer.
4. The dosage of the anticaking agent (oil and powder) is based on the instantaneous amount of the finished product metering scale. The oil and powder ratio is set and PID regulation is carried out to form a whole set of control logic.
A quantitative supply control system for a compound fertilizer anticaking agent comprises
The temperature sensing module is used for transmitting a temperature signal in the coated oil tank 11 to the PLC;
the heating module is used for controlling the steam heating coil to heat the coating oil in the coating oil tank 11;
the mass flow meter 13 is used for transmitting the output mass signal into the PCL;
the suspension weighing module is used for detecting the weight of the material above the scale body of the quantitative belt scale 1 and sending weight data to the PLC module through the weight controller;
the PLC module receives signals of the suspension weighing module, the temperature sensing module and the mass flowmeter 13, compares the signals with weight data of the PLC to obtain a deviation value of the quality and the temperature, judges whether the weight of a product reaches the standard and whether the temperature in the coated oil tank 11 is qualified or not according to the deviation value, and sends a heat signal to the heating module when the temperature in the coated oil tank 11 is unqualified;
and the alarm module receives an abnormal fault trip signal of the belt scale or the plunger oil pump, displays an alarm picture on the PLC touch screen and outputs sound and light alarm.
The suspension weighing module comprises a corrugated sensor 2 and a weight controller, the corrugated sensor 2 is in communication connection with the weight controller, the corrugated sensor 2 is arranged below the scale body of the quantitative belt scale 1, and the scale body of the quantitative belt scale 1 is supported through a universal seat 3.
5. The signals of the finished product scale, the mass flowmeter 13 and the ripple sensor are transmitted to the PLC by 4-20ma signals. And the PLC analyzes according to the signal data program and controls the operating frequency of the belt weigher and the plunger oil pump. The PLC is communicated with the touch screen through an Ethernet, and the touch screen is provided with oil and powder proportion setting; PID parameter adjustment; history curves of instant, oil and powder use of finished products; oil and powder out-of-tolerance alarm pictures and other control pictures. The communication mode is comprehensive, and the communication system can be communicated with a production system DCS or other process control systems, so that the automatic control of the whole workshop is realized.
6. The dosage of the anticaking agent (oil, powder) is controlled, and when the dosage is lower than or abnormally higher than a set value, the frequency of the frequency converter is increased/decreased. When the frequency converter reaches 0/50HZ and still can not meet the requirement, an alarm is output, and a sound-light alarm is used for prompting workshop staff.
7. Checking a anticaking agent (oil, powder) metering device: the oil is checked by using the mass flowmeter 13, and an oil consumption test switch is arranged on the touch screen and comprises test frequency, planned weight and display weight. Before starting up, the weight is set to be compared with the actual oil output, so that the accuracy of oil metering is ensured. The powder is prepared by using a quantitative belt scale 1, supporting a scale body by 4 corrugated sensors 2 and checking by using standard weights.
8. And (4) alarming and processing abnormal faults, wherein when the belt scale or the plunger oil pump is tripped due to abnormal faults, an alarm picture is displayed on the touch screen and an acousto-optic alarm is output. And a manual/automatic mode is set to meet various specific process requirements and safety measures in production.
Claims (8)
1. A quantitative supply system for a compound fertilizer anti-caking agent is characterized by comprising a film coating oil conveying device, a film coating powder conveying device and an anti-caking agent mixing and stirring tank,
the coated oil conveying device comprises a coated oil tank (11), a plunger pump (12), a flowmeter (13) and a coated oil nozzle (14),
the coated oil tank (11) is a coated oil tank (11) with a heat-insulating jacket, a steam heating coil is arranged in the coated oil tank (11),
a plunger pump (12) is arranged at the outlet of the envelope oil tank (11), a heat-insulating jacket is arranged on the shell of the plunger pump (12),
a flow meter (13) is arranged at the outlet of the plunger pump (12), a heat-insulating jacket is arranged on the flow meter (13),
the outlet end of the flowmeter (13) is provided with a coated oil spray head (14), the coated oil spray head (14) is provided with a heat-insulating jacket,
the outlet of the flow meter (13) is communicated with the oil inlet of the anti-caking agent mixing and stirring tank,
the coating powder conveying device comprises a coating powder bin (5), a quantitative belt scale (1) and a ripple sensor (2),
a discharge opening of the coating powder bin (5) is provided with a discharge hopper,
the feed end of the quantitative belt scale (1) is positioned at the outlet of the discharge hopper,
the ripple sensor (2) is arranged below the scale body of the quantitative belt scale (1) and supports the scale body of the quantitative belt scale (1) through the universal seat (3),
the discharge end of the quantitative belt scale (1) is provided with a conveying belt which is positioned at a powder inlet of the anticaking agent mixing tank.
2. The quantitative supply system for the compound fertilizer anticaking agent according to claim 1, wherein an outlet of the coating oil tank (11) is provided with a steam self-regulating valve, an outlet of the steam self-regulating valve is provided with a tee joint, a compressed air pipe (15) is communicated with one inlet of the tee joint, and the other outlet of the tee joint is provided with a plunger pump (12).
3. A dosing system for a compound fertilizer anti-caking agent according to claim 1, further comprising a weight controller in communication with the signal output of the ripple sensor (2);
the PLC controller is in communication connection with the signal output end of the weight controller;
and the time relay is in communication connection with a signal input end of the PLC and is used for controlling the running time of a belt of the quantitative belt scale (1) through time.
4. A dosing system for a compound fertilizer anticaking agent according to claim 1, characterized in that the flow meter (13) is a mass flow meter (13).
5. A dosing system for a compound fertilizer anti-caking agent according to claim 1, characterised in that the ripple sensors (2) are at least four or more and are arranged in pairs.
6. The quantitative supply system for compound fertilizer anticaking agents as claimed in claim 1, wherein an electric valve is provided at the outlet of the coating powder bin (5).
7. The quantitative supply system for the compound fertilizer anticaking agent according to claim 1, wherein the contact end of the universal base (3) and the balance body is made of rubber, one end of the universal base (3) is a threaded end, and one end of the universal base (3) penetrates through a hole at the end of the ripple sensor (2) and is locked by a bolt.
8. The quantitative supply system for the compound fertilizer anticaking agent according to claim 1, characterized in that the universal base (3) comprises a truncated cone-shaped base (31), a sphere (32) and a connecting rod (33), wherein a placing groove for placing the sphere (32) is arranged in the truncated cone-shaped base (31), the sphere (32) is positioned in the placing groove and placed in the placing groove through a bulge at the bottom of the placing groove, one end of the connecting rod (33) is connected with the sphere (32), and the other end of the connecting rod (33) is connected with the ripple sensor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021778138.1U CN212441103U (en) | 2020-08-24 | 2020-08-24 | Quantitative supply system for compound fertilizer anti-caking agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021778138.1U CN212441103U (en) | 2020-08-24 | 2020-08-24 | Quantitative supply system for compound fertilizer anti-caking agent |
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| Publication Number | Publication Date |
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| CN212441103U true CN212441103U (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021778138.1U Active CN212441103U (en) | 2020-08-24 | 2020-08-24 | Quantitative supply system for compound fertilizer anti-caking agent |
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| CN (1) | CN212441103U (en) |
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