CN212331797U - Hot melt adhesive granulator device - Google Patents
Hot melt adhesive granulator device Download PDFInfo
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- CN212331797U CN212331797U CN202020938423.9U CN202020938423U CN212331797U CN 212331797 U CN212331797 U CN 212331797U CN 202020938423 U CN202020938423 U CN 202020938423U CN 212331797 U CN212331797 U CN 212331797U
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Abstract
The utility model provides a hot melt adhesive granulator device relates to granule production technical field. The utility model comprises an extruder, a connector, a reversing valve, a gear pump system, a granulator, a granule cooler, a centrifugal drier, a granule hot air drying system, a granulation circulating water system, a heat circulating system, a pipeline pump motor and an electromagnetic valve; the utility model discloses make whole production process accomplish automated production, this kind of innovative design to granulation machinery makes product quality improve relatively, has also practiced thrift in manufacturing cost, can reach anticipated benefit relatively. The utility model relates to a rationally, easily realize, fine practical value has.
Description
Technical Field
The utility model relates to a granule production technical field especially relates to a hot melt adhesive granulator device.
Background
The granulator is a device which can manufacture hot melt adhesive particles in a molten state into the hot melt adhesive particles through a certain processing process, and the processed particles are convenient to transport and easy to store, so that the granulator is widely applied to the petroleum and petrochemical industry, and the rapid development of the petroleum and chemical industry rapidly increases the demand of granulation machinery. Therefore, the granulator tends to be larger and larger, and the mechanical stability and energy saving and consumption reduction requirements of a granulation mechanical unit are also required to meet higher requirements urgently along with the development. Wherein, the hot melt adhesive granulator is one of various granulation machines, realizes the granulation to the hot melt adhesive.
The working process of the traditional hot melt adhesive granulation device is that the hot melt adhesive is injected into the extrusion device firstly, then the hot melt adhesive strip is extruded by the extruder, and then the hot melt adhesive strip is cut into similar cylindrical particles by cutting into granules, and the finished product is formed by cooling and sizing. The product produced in the way has certain defects, and because the control quantity such as the distance, the grain cutting speed and the like cannot be well controlled, various defects such as uneven particle shape, different sizes, turbid and opaque color and the like which are not beneficial to selling or secondary processing are easily caused, so that the cost and the resource waste are consumed, and the expected benefit cannot be brought.
SUMMERY OF THE UTILITY MODEL
The utility model provides a hot melt adhesive granulator device aiming at the defects of the prior art, and the utility model designs a granulator device with a gear pump which is convenient for making particles uniform and a cold and hot circulating system;
the utility model adopts the technical proposal that:
a hot melt adhesive granulator device comprises an extruder, a connector, a reversing valve, a gear pump system, a granulator, a particle cooler, a centrifugal dryer, a particle hot air drying system, a granulation circulating water system, a heat circulating system, a pipeline pump motor and an electromagnetic valve;
the gear pump system comprises a frequency converter 1, a gear pump motor and a pressure transmitter; the output end of the frequency converter 1 is connected with the input end of the gear pump motor, the output end of the gear pump motor is connected with the input end of the pressure transmitter, and the output end of the pressure transmitter is connected with the input end of the frequency converter 1;
the heat cycle system comprises a frequency converter 2, a hot oil pump motor and a temperature sensor 1; the output end of the frequency converter 2 is connected with the input end of the hot oil pump motor, the output end of the hot oil pump motor is connected with the input end of the temperature sensor 1, and the output end of the temperature sensor 1 is connected with the input end of the frequency converter 2;
the granulation circulating water system comprises a water tank, a cooling circulating system, a plate heat exchanger and a filter, wherein the cooling circulating system comprises a frequency converter 3, a water pump motor and a temperature sensor 2; the output end of the frequency converter 3 is connected with the input end of the water pump motor, the output end of the water pump motor is connected with the input end of the particle cooler, the input end of the temperature sensor 2 is connected with the output end of the particle cooler, and the output end of the temperature sensor 2 is connected with the input end of the frequency converter 3;
the particle hot air drying system comprises a fan 1, a fan 2, a fan 3, an air heater and a hot air distributor; the fan 1 is arranged at the output end of the hot oil pump; the fan 2 is a hot air dryer and is arranged at the output end of the hot air distributor; the fan 3 is a circulating fan and is connected to the output end of the fan 2; the air heater is connected with the output end of the centrifugal drier; the hot air distributor is arranged at the output end of the air heater;
the pipeline pump motor comprises two pipeline pump motors, wherein one pipeline pump motor is connected to the output end of the granulator, and the other pipeline pump motor is connected to the output end of the centrifugal dryer;
the output end of the extruder is connected with the input end of the connecting body; the output end of the connecting body is connected with the input end of the reversing valve; the output end of the reversing valve is connected with the input end of the gear pump motor; the output end of the gear pump motor is connected with the input end of the granulator; the output end of the granulator and the output end of the water pump motor are simultaneously connected with the input end of the particle cooler; the output end of the particle cooler is connected with the input end of the centrifugal dryer; the output end of the centrifugal drier is respectively connected with the input end of the fan 2 and the input end of the water tank; the output end of the water tank is connected with the input end of a water pump motor; the output of water pump motor with plate heat exchanger's input is connected, and plate heat exchanger's output is connected with the output of granulator, the input of filter is connected with centrifugal drier's output, and the output of filter is connected with the input of basin, and the output of hot-oil pump is connected with switching-over valve, gear pump, granulator, centrifugal drier, fan 2 respectively, the output at the switching-over valve is connected to the solenoid valve.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the utility model provides a hot melt adhesive granulator device has added an especially important link in its device, that is exactly to be used for pressurizeing the hot melt adhesive body to extrude the gear pump device of the even circular granule of granule smoothly, the joining of gear pump device makes the hot melt adhesive granulator promote a grade. And the circulating water device is used for cleaning and cooling the produced particles, so that the transparency of the particles is obviously improved. The automatic production is realized in the whole production process, the innovative design of the granulating machine relatively improves the product quality, saves the production cost and relatively achieves the expected benefit. The utility model relates to a rationally, easily realize, fine practical value has.
Drawings
FIG. 1 is a schematic view of a hot melt adhesive granulation apparatus provided by the present invention;
FIG. 2 is a schematic view of the working flow of the gear pump system provided by the present invention;
fig. 3 is a schematic view of a working flow of the heat cycle system provided by the present invention;
fig. 4 is a schematic view of a working flow of the cooling circulation system provided by the present invention;
fig. 5 is a main circuit diagram of a hot melt adhesive granulation system provided in an embodiment of the present invention;
fig. 6 is a wiring diagram of an electrical control circuit of the hot melt adhesive granulation device provided by the embodiment of the present invention;
fig. 7 is a flow chart of a method for using a hot melt adhesive granulation device according to an embodiment of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The utility model provides a hot melt adhesive granulator device, as shown in figure 1, comprising an extruder, a connector, a reversing valve, a gear pump system, a granulator, a particle cooler, a centrifugal drier, a particle hot air drying system, a granulation circulating water system, a heat circulating system, a pipeline pump motor and an electromagnetic valve;
the gear pump system comprises a frequency converter 1, a gear pump motor and a pressure transmitter; the output end of the frequency converter 1 is connected with the input end of the gear pump motor, the output end of the gear pump motor is connected with the input end of the pressure transmitter, and the output end of the pressure transmitter is connected with the input end of the frequency converter 1;
the schematic diagram of the working flow of the gear pump system is shown in fig. 2, a frequency converter at the gear pump is set to be PID (proportion integration differentiation) regulated, a standard pressure range is set, the melt pressure at the gear outlet is transmitted to the frequency converter through a pressure sensor, the frequency converter is compared with the standard pressure range, and the rotating speed of a gear pump motor is changed by carrying out frequency conversion speed regulation on the gear pump motor, so that the purpose of controlling the melt pressure at the gear outlet is achieved.
The technical requirements of the gear pump granulator system are as follows: controlling the melt pressure is particularly important in order to maximize the quality of the particles. Pressure at the outlet of the gear pump is strictly controlled within a certain range, pressure at the outlet of the gear, detected by the pressure sensor, of the gear is fed back to the frequency converter, and the speed of the gear pump motor is regulated through the frequency converter, so that the pressure of a solution is better controlled.
The heat cycle system comprises a frequency converter 2, a hot oil pump motor and a temperature sensor 1; the output end of the frequency converter 2 is connected with the input end of the hot oil pump motor, the output end of the hot oil pump motor is connected with the input end of the temperature sensor 1, and the output end of the temperature sensor 1 is connected with the input end of the frequency converter 2;
the schematic diagram of the working process of the thermal circulation system is shown in fig. 3, the frequency converter at the thermal circulation system is set to be in a PID mode, a standard temperature range is set, the temperature at the hot oil outlet is detected by the temperature sensor and fed back to the frequency converter, and the temperature is compared with the standard temperature range, so that the rotating speed of the motor of the hot oil pump is effectively controlled, and the temperature at the hot oil outlet is controlled.
Technical requirements of the heat cycle system: the temperature of the hot oil outlet is guaranteed to be within a certain range, the temperature sensor detects the temperature of the hot oil outlet and feeds the temperature back to the frequency converter, and the speed of the hot oil pump motor is regulated through the frequency converter.
The granulation circulating water system comprises a water tank, a cooling circulating system, a plate heat exchanger and a filter, wherein the cooling circulating system comprises a frequency converter 3, a water pump motor and a temperature sensor 2; the output end of the frequency converter 3 is connected with the input end of the water pump motor, the output end of the water pump motor is connected with the input end of the particle cooler, the input end of the temperature sensor 2 is connected with the output end of the particle cooler, and the output end of the temperature sensor 2 is connected with the input end of the frequency converter 3;
the working flow diagram of the cooling circulation system is shown in fig. 4, the frequency converter at the cooling circulation system is set to be in a PID mode, a standard temperature range is set, the temperature at the water outlet is detected by the temperature sensor and fed back to the frequency converter, the detected temperature is compared with the standard temperature range, the frequency conversion speed regulation is carried out on the water pump motor according to the comparison result, and the rotating speed of the motor is controlled, so that the temperature at the water outlet is better controlled;
the technical requirements of the cooling circulation system are as follows: the temperature of the water outlet is guaranteed to be within a set standard range of the frequency converter, the temperature of the water outlet is detected by the temperature sensor to be fed back to the frequency converter, and the frequency converter is used for carrying out speed regulation control on the water pump motor.
The particle hot air drying system comprises a fan 1, a fan 2, a fan 3, an air heater and a hot air distributor; the fan 1 is arranged at the output end of the hot oil pump; the fan 2 is a hot air dryer and is arranged at the output end of the hot air distributor; the fan 3 is a circulating fan and is connected to the output end of the fan 2; the air heater is connected with the output end of the centrifugal drier; the hot air distributor is arranged at the output end of the air heater;
the pipeline pump motor comprises two pipeline pump motors, wherein one pipeline pump motor is connected to the output end of the granulator, and the other pipeline pump motor is connected to the output end of the centrifugal dryer;
the output end of the extruder is connected with the input end of the connecting body; the output end of the connecting body is connected with the input end of the reversing valve; the output end of the reversing valve is connected with the input end of the gear pump motor; the output end of the gear pump motor is connected with the input end of the granulator; the output end of the granulator and the output end of the water pump motor are simultaneously connected with the input end of the particle cooler; the output end of the particle cooler is connected with the input end of the centrifugal dryer; the output end of the centrifugal drier is respectively connected with the input end of the fan 2 and the input end of the water tank; the output end of the water tank is connected with the input end of a water pump motor; the output of water pump motor with plate heat exchanger's input is connected, and plate heat exchanger's output is connected with the output of granulator, the input of filter is connected with centrifugal drier's output, and the output of filter is connected with the input of basin, and the output of hot-oil pump is connected with switching-over valve, gear pump, granulator, centrifugal drier, fan 2 respectively, the output at the switching-over valve is connected to the solenoid valve.
The utility model discloses hot melt adhesive granulation system main circuit diagram is shown in fig. 5, and hot melt adhesive granulation device's electrical control circuit wiring diagram is shown in fig. 6, and circuit main power supply terminal is controlled by three-phase circuit breaker QF, and other devices are controlled through the button by contactor KM like hot oil pump, stand-by pump, fan 1, fan 2, fan 3, desicator, centrifugal drier, hot melt adhesive granulator, two tubing pump and gear pump. In the working process, 5 frequency converters are used for accurately controlling the rotating speeds of the centrifugal dryer, the hot melt adhesive granulator, the pipeline pump and the gear pump, and three-phase circuit breaking protectors QF 6-QF 9 are responsible for carrying out overload and short-circuit protection on the 5 dragging motors. FR1 to FR4 provide overload protection for fan 1, fan 2, fan 3, and the dryer.
The 1S is a main power switch, and the 2S is an emergency stop button. When the main power supply 1S is pressed down, the whole system is powered on, and the indicator lamp HL1 is lightened. In the production process, when a part of the whole system is in failure, the emergency stop button 2S is pressed, the main power supply 1S of the whole system is cut off, and the system stops running. The production starting switch SA is a multifunctional change-over switch, SA is rotated, a motor of a main production part is started, a pipeline pump, a gear pump and an electromagnetic valve are electrified to start working, and the whole production process starts.
According to the basic understanding of the technological requirements and production machinery requirements of the hot melt adhesive granulation device, 11 dragging motors are required to be arranged in the production device. According to the control requirements of the device, the electrical control system is designed to be controlled in two places, namely a main circuit system of the hot melt adhesive granulation device and an electrical control system of the hot melt adhesive granulation device.
(1) Blower 1 (PC-311): traction motor
Power: 2.2KW
Type (2): an AC three-phase asynchronous cage type motor, a diibt 4 explosion-proof type.
Protection grade: IP54
Rotating speed: 1400r/min
The direction is as follows: forward rotation
(2) Blower (PC-311): traction motor
Power: 5.5KW
Type (2): an AC three-phase asynchronous cage type motor, a diibt 4 explosion-proof type.
Protection grade: IP54
Rotating speed: 1400r/min
The direction is as follows: forward rotation
(3) Blower (PC-311): traction motor
Power: 5.5kw
Type (2): an AC three-phase asynchronous cage type motor, a diibt 4 explosion-proof type.
Protection grade: IP54
Rotating speed: 1400r/min
The direction is as follows: forward rotation
The three fans are respectively used for short-circuit protection by QF 2-QF 4 and overload protection by FR 1-FR 3.
(4) Hot oil pump (P-314A/B): the drive motor, the main motor and the standby motor are respectively 1.
Power: 8.0KW
Type (2): an AC three-phase asynchronous cage type motor, a diibt 4 explosion-proof type.
Protection grade: IP54
Rotating speed: 1400r/min
The direction is as follows: forward rotation
(5) Dryer (M-313): traction motor
Power: 0.55KW
Type (2): an AC three-phase asynchronous cage type motor, a diibt 4 explosion-proof type.
Protection grade: IP54
Rotating speed: 1400r/min
The direction is as follows: forward rotation
(6) Gear pump (P-312): dragging motor
Power: 7.5kw
Type (2): an AC three-phase asynchronous cage type motor, a diibt 4 explosion-proof type.
Protection grade: IP54
Rotating speed: 1400r/min
The direction is as follows: forward rotation
(7) Pipeline pump (P-313A/B): two dragging motors
Power: 8.5KW
Type (2): an AC three-phase asynchronous cage type motor, a diibt 4 explosion-proof type.
Protection grade: IP54
Rotating speed: 1400r/min
The direction is as follows: forward rotation
(8) Centrifugal dryer (S-311): traction motor
Power: 8.0KW
Type (2): an AC three-phase asynchronous cage type motor, a diibt 4 explosion-proof type.
Protection grade: IP54
Rotating speed: 1400r/min
The direction is as follows: forward rotation
(9) Hot melt adhesive pelletizer (M-312): traction motor
Power: 7.5KW
Type (2): an AC three-phase asynchronous cage type motor, a diibt 4 explosion-proof type.
Protection grade: IP54
Rotating speed: 1400r/min
The direction is as follows: forward rotation
On the other hand, the utility model relates to a hot melt adhesive granulator application method is shown in fig. 7, includes following step:
step 1: when a starting button 6SB of the fan 1 is pressed, the coil KM2 is electrified, attracted and self-locked, the circuit of the fan 1 is switched on to start working, and the indicator lamp HL5 is on. When the fan 1 stops working, the parking button 5SB is pressed, the coil of the contactor KM2 loses power, the contact KM2 is disconnected to stop supplying power to the fan 1, and the fan 1 stops when the line loses power;
and when a starting button 10SB of the fan 3 is pressed, the coil KM4 is electrified, attracted and self-locked, and the fan 3 is switched on to start working. Indicator light HL8 lights. When the fan 3 stops working, the parking button 9SB is pressed, the coil of the contactor KM4 loses power, the contact KM4 is disconnected to stop supplying power to the fan 3, and the fan 3 stops when the line loses power;
step 2: and (3) switching on the hot oil pump, firstly pressing a contactor button 2SB in the electrical cabinet, electrifying a contactor KM1 coil for attracting and self-locking, electrifying the frequency converter at the moment, and lightening a working indicator lamp HL2 of the frequency converter. Then, a contactor button 4SB is pressed, a coil of the contactor 1K is electrified and attracted and self-locked, the frequency converter starts to supply power to the motor, the hot oil pump starts to work, and a hot oil pump work indicator HL3 lights. When the hot oil pump is required to stop working, firstly, the parking contactor button 3SB is pressed, the contactor 1K coil is cut off in power loss, the frequency converter stops supplying power to the motor, and the hot oil pump stops working due to the fact that the power supply is cut off. The operation indicator lamp HL3 of the hot oil pump is turned off. Then, the 1SB button is pressed down, the coil of the contactor KM1 is disconnected after power failure, the contact KM1 is disconnected, power supply to the frequency converter is stopped, and the power-on working indicator lamp HL2 of the frequency converter is turned off. Limited by the characteristics of the frequency converter, the 2SB button must be switched on firstly when the frequency converter is started, so that the frequency converter is powered on firstly, and then the 4SB button is switched on to power on the motor; when the motor is stopped, the 4SB button must be disconnected firstly, so that the motor is powered off, and then the 2SB button is disconnected to cut off the power supply of the frequency converter. Therefore, an electrical interlock is added to the control circuit. Is to prevent the safety accident caused by misoperation. In actual production, the hot oil pump is a vulnerable device, so a standby hot oil pump is arranged. When the hot oil pump breaks down and stops working, the standby hot oil pump is manually switched, so that the whole system can still work normally, and other lines are ensured to work normally without being influenced;
and step 3: the gear pump is switched on, a contactor button 26SB in the electrical cabinet is pressed at first, the contactor KM9 coil is electrified, attracted and self-locked, the frequency converter is electrified at the moment, and the frequency converter working indicator lamp HL16 is lightened. Then, the intermediate relay button 28SB is pressed, the contactor 5K coil is energized and engaged and self-locked, the inverter starts to supply power to the motor, and the gear pump starts to operate. The gear pump work indicator HL17 lights. When the gear pump is required to stop working, firstly, the stop contactor button 27SB is pressed, the contactor 5K coil loses power, the frequency converter stops supplying power to the motor, and the gear pump is cut off to stop working. The operation indicator lamp HL17 of the gear pump is extinguished. Then, a 25SB button is pressed, the coil of the contactor KM9 is disconnected after power failure, the contact KM9 is disconnected to stop supplying power to the frequency converter, and the power-on working indicator lamp HL16 of the frequency converter is extinguished. Limited by the characteristics of the frequency converter, the KM9 coil must be firstly switched on when the motor is started, so that the frequency converter is firstly powered on, and then the 5K coil is switched on to power on the motor; when the motor is stopped, the 5K coil is firstly disconnected, so that the motor is powered off, and then the KM9 is disconnected to cut off the power supply of the frequency converter, therefore, the control circuit is additionally provided with the electric interlock, so that safety accidents caused by misoperation are prevented;
and 4, step 4: when the granulator is switched on, firstly, a contactor button 18SB in the electrical cabinet is pressed, a contactor KM7 coil is electrified, attracted and self-locked, the frequency converter is electrified at the moment, and a working indicator lamp HL12 of the frequency converter is lightened. Then, the intermediate relay button 20SB is pressed, the 3K coil of the contactor is energized and attracted and self-locked, the frequency converter starts to supply power to the motor, and the hot melt adhesive pelletizer starts to work. The hot melt adhesive pelletizer operation indicator lamp HL13 was lit. When the hot melt adhesive granulator needs to stop working, firstly, the stop contactor button 19SB is pressed, the contactor 3K coil is powered off, the frequency converter stops supplying power to the motor, and the hot melt adhesive granulator is powered off to stop working. The hot melt adhesive pelletizer operation indicator lamp HL13 was extinguished. Then, a button of a contactor 17SB is pressed, a coil of the contactor KM7 is powered off, a contact KM7 is disconnected, power supply to the frequency converter is stopped, and a power-on working indicator lamp HL12 of the frequency converter is turned off. Limited by the characteristics of the frequency converter, the KM7 coil must be firstly switched on when the motor is started, so that the frequency converter is firstly powered on, and then the 3K coil is switched on to power on the motor; when the motor is stopped, the 3K coil is firstly disconnected, so that the motor is powered off, and then the KM7 is disconnected to cut off the power supply of the frequency converter, therefore, the control circuit is additionally provided with the electric interlock, so that safety accidents caused by misoperation are prevented;
and 5: the particle cooler is switched on, firstly, a starting button 12SB of the cooler is pressed, a coil KM5 is electrified and is closed by a self-locking main contact, the motor starts to rotate, the cooler starts to work, and meanwhile, a motor work indicator lamp HL9 is lightened. When the cooler needs to stop working, the parking button 11SB is pressed, the coil KM5 loses power, the main contact is disconnected, the cooler stops working, and the motor working indicator lamp HL9 is turned off;
when the centrifugal dryer is switched on, firstly, a contactor button 14SB in the electrical cabinet is pressed, a contactor KM6 coil is electrified, attracted and self-locked, the frequency converter is electrified at the moment, and a working indicator lamp HL10 of the frequency converter is lightened. Then, the intermediate relay button 16SB is pressed, the contactor 2K coil is energized and attracted and self-locked, the frequency converter starts to supply power to the motor, and the centrifuge starts to work. Centrifuge operation indicator HL11 lights. When the centrifuge is required to stop working, firstly, the contactor stop button 15SB is pressed, the 2K coil of the contactor loses power, the main contact is disconnected, the frequency converter stops supplying power to the motor, and the centrifuge is cut off the power supply to stop working. The work indicator lamp HL11 of the centrifuge is turned off. Then, a button of a contactor 13SB is pressed, a coil of the contactor KM6 is powered off, a contact KM6 is disconnected, power supply to the frequency converter is stopped, and a power-on working indicator lamp HL10 of the frequency converter is turned off. Limited by the characteristics of the frequency converter, the 14SB button must be switched on firstly when the frequency converter is started, so that the frequency converter is powered on firstly, and then the 16SB button is switched on to power on the motor; when the motor is stopped, the 16SB button is firstly disconnected, so that the motor is powered off, and then the 14SB button is disconnected to cut off the power supply of the frequency converter, therefore, the control circuit is additionally provided with the electric interlock to prevent safety accidents caused by misoperation;
step 6: the pipeline pump is switched on, a contactor button 22SB in the electrical cabinet is pressed at first, the contactor KM8 coil is electrified, attracted and self-locked, the frequency converter is electrified at the moment, and the frequency converter work indicator lamp HL14 is lightened. Then, the intermediate relay button 24SB is pressed, the 4K coil of the contactor is energized and attracted and self-locked, the frequency converter starts to supply power to the motor, and the pipeline pump starts to work. The pipeline pump work indicator lamp HL15 lights. When the pipeline pump is required to stop working, the parking contactor button 23SB is pressed firstly, the 4K coil of the contactor loses power, the frequency converter stops supplying power to the motor, and the pipeline pump is cut off the power supply to stop working. The operation indicator lamp HL15 of the pipeline pump is turned off. Then, the 21SB button is pressed down, the coil of the contactor KM8 is disconnected after power failure, the contact KM8 is disconnected to stop supplying power to the frequency converter, and the power-on working indicator lamp HL14 of the frequency converter is extinguished. Limited by the characteristics of the frequency converter, the KM8 coil must be firstly switched on when the motor is started, so that the frequency converter is firstly powered on, and then the 4K coil is switched on to power on the motor; when the motor is stopped, the 4K coil is firstly disconnected, so that the motor is powered off, and then KM8 is disconnected to cut off the power supply of the frequency converter. Therefore, the control circuit is additionally provided with the electric interlock, so that safety accidents caused by misoperation are prevented. The pipeline pump is a device which is easy to wear in actual production, so that a standby pipeline pump is arranged, when the pipeline pump breaks down and stops working, the standby pipeline pump is manually switched, the whole system can continue to work normally, and other lines are ensured to continue to work normally without being influenced;
and 7: the control of solenoid valve (YK), in order to avoid material blocking production facility in the course of working, production system requires that the solenoid valve must open at last, avoids production system internal pressure too big damage equipment to cause huge danger. The electromagnetic valve is firstly closed when the vehicle is shut down, and the electromagnetic valve needs to be preheated by a hot oil pump before the vehicle is driven, and can work after the temperature reaches a set temperature. And the preheating process can be heated by heating oil or electricity. Because the hot melt adhesive raw materials are not flammable and explosive like other chemical raw materials, the safety factor needs to be considered to avoid accidents caused by danger. Within a certain temperature range, the physical state of the hot melt adhesive can be changed in a series of ways along with the temperature, but the chemical property of the hot melt adhesive is unchanged, and the hot melt adhesive is non-toxic and odorless and belongs to an environment-friendly chemical product.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; but such modifications and substitutions do not depart from the spirit of the corresponding technical solutions and the scope of the present invention as defined in the appended claims.
Claims (2)
1. The utility model provides a hot melt adhesive granulator device which characterized in that: the device comprises an extruder, a connector, a reversing valve, a gear pump system, a granulator, a particle cooler, a centrifugal dryer, a particle hot air drying system, a granulation circulating water system, a heat circulating system, a pipeline pump motor and an electromagnetic valve;
the gear pump system comprises a frequency converter 1, a gear pump motor and a pressure transmitter; the output end of the frequency converter 1 is connected with the input end of the gear pump motor, the output end of the gear pump motor is connected with the input end of the pressure transmitter, and the output end of the pressure transmitter is connected with the input end of the frequency converter 1;
the heat cycle system comprises a frequency converter 2, a hot oil pump motor and a temperature sensor 1; the output end of the frequency converter 2 is connected with the input end of the hot oil pump motor, the output end of the hot oil pump motor is connected with the input end of the temperature sensor 1, and the output end of the temperature sensor 1 is connected with the input end of the frequency converter 2;
the granulation circulating water system comprises a water tank, a cooling circulating system, a plate heat exchanger and a filter, wherein the cooling circulating system comprises a frequency converter 3, a water pump motor and a temperature sensor 2; the output end of the frequency converter 3 is connected with the input end of the water pump motor, the output end of the water pump motor is connected with the input end of the particle cooler, the input end of the temperature sensor 2 is connected with the output end of the particle cooler, and the output end of the temperature sensor 2 is connected with the input end of the frequency converter 3;
the particle hot air drying system comprises a fan 1, a fan 2, a fan 3, an air heater and a hot air distributor; the fan 1 is arranged at the output end of the hot oil pump; the fan 2 is connected to the output end of the hot air distributor; the fan 3 is connected to the output end of the fan 2; the air heater is connected with the output end of the centrifugal drier; the hot air distributor is arranged at the output end of the air heater;
the pipeline pump motor comprises two pipeline pump motors, wherein one pipeline pump motor is connected to the output end of the granulator, and the other pipeline pump motor is connected to the output end of the centrifugal dryer;
the output end of the extruder is connected with the input end of the connecting body; the output end of the connecting body is connected with the input end of the reversing valve; the output end of the reversing valve is connected with the input end of the gear pump motor; the output end of the gear pump motor is connected with the input end of the granulator; the output end of the granulator and the output end of the water pump motor are simultaneously connected with the input end of the particle cooler; the output end of the particle cooler is connected with the input end of the centrifugal dryer; the output end of the centrifugal drier is respectively connected with the input end of the fan 2 and the input end of the water tank; the output end of the water tank is connected with the input end of a water pump motor; the output of water pump motor with plate heat exchanger's input is connected, and plate heat exchanger's output is connected with the output of granulator, the input of filter is connected with centrifugal drier's output, and the output of filter is connected with the input of basin, and the output of hot-oil pump is connected with switching-over valve, gear pump, granulator, centrifugal drier, fan 2 respectively, the output at the switching-over valve is connected to the solenoid valve.
2. The hot melt adhesive pelletizer device as claimed in claim 1, wherein: the fan 2 is a hot air dryer, and the fan 3 is a circulating fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020938423.9U CN212331797U (en) | 2020-05-28 | 2020-05-28 | Hot melt adhesive granulator device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020938423.9U CN212331797U (en) | 2020-05-28 | 2020-05-28 | Hot melt adhesive granulator device |
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| CN212331797U true CN212331797U (en) | 2021-01-12 |
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| CN202020938423.9U Expired - Fee Related CN212331797U (en) | 2020-05-28 | 2020-05-28 | Hot melt adhesive granulator device |
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