Remote control method of fireworks drying equipment

Abstract

The present invention discloses a fireworks drying device, which comprises a drying room, a radiator, an electric heating oil tank, an oil pump, a heating fan, a dehumidifying fan, a temperature sensor and a humidity sensor, a nitrogen cooling device, a material wheel with water track device, and a remote control device: the nitrogen cooling device comprises an air pump, a dryer and a nitrogen generator, the material wheel with water track device is a groove track, one end of the groove track is connected to a water inlet pipe, and a water inlet valve is installed on the water inlet pipe; the remote control device comprises a PLC, a data interaction module, a human-machine interface, a power module and a network communication unit. The present invention also discloses a remote control method for fireworks drying equipment: the data interaction module collects the real-time status information of the fireworks drying equipment on the PLC, and sends it to the cloud through the network communication unit, and the communication terminal logs in to the cloud to perform real-time remote monitoring and control on the real-time status of the fireworks drying equipment. The advantages of the present invention are that the productivity is improved, safety accidents are avoided, and remote control is possible.

Description

Technical Field

[0001] The invention relates to a control method for fireworks production equipment, in particular to a remote control method for fireworks drying equipment. Background Art

[0002] There are three problems with existing fireworks drying equipment: First, the cooling time from the discharge of materials from the drying room to the feeding of the next batch of materials is too long. Since fireworks are flammable and explosive, it is necessary to wait until the temperature of the drying room drops to a lower level after the discharge before feeding. However, many fireworks drying equipment use natural cooling or air conditioning refrigeration. The natural cooling effect is poor, and air conditioning refrigeration contains moisture and oxygen, which affects product quality and poses a safety hazard. Secondly, the wheels of the material truck are prone to static electricity when moving, or the wheels crush the drugs remaining on the ground to cause deflagration. There have been many safety accidents of explosions at the moment when the material truck leaves the drying room. Third, enterprise managers cannot conduct real-time remote monitoring of fireworks drying equipment, especially the safety supervision department cannot conduct real-time remote supervision of high-risk fireworks drying equipment. Summary of the invention

[0003] In order to overcome the deficiencies of the prior art, the present invention provides a novel remote control method for fireworks drying equipment.

[0004] The present invention adopts the following technical scheme.

[0005] A remote control method for fireworks drying equipment, the fireworks drying equipment comprises a drying room, a radiator, an electric heating oil tank, an oil pump, a heating fan, a dehumidification fan, a temperature sensor, a humidity sensor, a drying room door closing sensor, a nitrogen cooling device, a material wheel with water track device, and a remote control device; the nitrogen cooling device comprises an air pump, a dryer and a nitrogen generator, the material wheel with water track device is a groove track, one end of the groove track is connected to a water inlet pipe, and an electromagnetic water inlet valve is installed on the water inlet pipe, the remote control device comprises a PLC, a data interaction module, a human-machine interface, a power module and a network communication unit, the drying room is equipped with a wind baffle, the air inlet of the drying room is connected to the air outlet of the radiator with a silicone cloth, and the air outlet of the drying room is connected to the air inlet of the heating fan with a silicone cloth;

[0006] The remote control method is as follows: the data interaction module collects the drying room temperature and drying room humidity values ​​on the PLC and transmits them to the network communication unit, the network communication unit transmits the data to the cloud via wifi, and the cloud transmits the data to the mobile phone via 4G. The cloud transmits the instructions received from the mobile phone to the network communication unit, the data interaction module transmits the instructions received from the mobile phone by the network communication unit to the PLC, and the PLC makes the fireworks drying equipment work according to the instructions;

[0007] A. The fireworks drying equipment enters the simple heating stage, which is controlled by temperature. When the temperature reaches the set value of 50 degrees, it enters the heating and intermittent dehumidification stage;

[0008] B. The fireworks drying equipment enters the heating and intermittent dehumidification stage, which is controlled by time and divided into three steps:

[0009] Step a, the time setting value is 1.5 hours, the drying room temperature setting value is 55 degrees, the drying room humidity setting value is 65%, and the dehumidification fan 2 works for 2 minutes and stops for 8 minutes.

[0010] When the time reaches the set value of 1.5 hours, it will go to step b. If the drying room temperature has not reached the set value of 55 degrees at this time, the PLC will make the fireworks drying equipment continue to heat in step a until the drying room temperature reaches the set value of 55 degrees. If the drying room humidity has not reached the set value of 65% at this time, the PLC will make the fireworks drying equipment continue to dehumidify in step a until the drying room humidity reaches the set value of 65%.

[0011] Step b, the time setting value is 1.5 hours, the drying room temperature setting value is 60 degrees, the drying room humidity setting value is 40%, and the dehumidification fan 2 works for 3 minutes and stops for 6 minutes.

[0012] When the time reaches the set value of 1.5 hours, it will go to step c. If the drying room temperature has not reached the set value of 60 degrees at this time, the PLC will make the fireworks drying equipment continue to heat in step b until the drying room temperature reaches the set value of 60 degrees. If the drying room humidity has not reached the set value of 40% at this time, the PLC will make the fireworks drying equipment continue to dehumidify in step b until the drying room humidity reaches the set value of 40%.

[0013] Step c, the time setting value is 1.5 hours, the drying room temperature setting value is 65 degrees, the drying room humidity setting value is 15%, and the dehumidification fan 2 works for 4 minutes and stops for 5 minutes.

[0014] When the time reaches the set value of 1.5 hours, it will enter the heat preservation and dehumidification stage. If the drying room temperature does not reach the set value of 65 degrees at this time, the PLC will make the fireworks drying equipment continue to perform step c heating until the drying room temperature reaches the set value of 65 degrees. If the drying room humidity does not reach the set value of 15% at this time, the PLC will make the fireworks drying equipment continue to perform step c dehumidification until the drying room humidity reaches the set value of 15%.

[0015] C. The fireworks drying equipment enters the heat preservation and dehumidification stage. When the drying room temperature is greater than or equal to the set dehumidification temperature of 65 degrees, the dehumidification will continue to operate. If the drying room temperature is lower than the set dehumidification temperature of 65 degrees, the dehumidification will stop. At this time, the temperature must be raised to restart the dehumidification. The heat preservation and dehumidification stage is controlled by the minimum drying room humidity of 8%. When the drying room humidity reaches the set value of 8%, it will enter the cooling stage.

[0016] D. The fireworks drying equipment enters the cooling stage, and the heating and dehumidification functions all stop working. During the set natural cooling time of 2 hours, the residual heat is used to continue drying the materials. When the time reaches the set natural cooling time of 2 hours, the nitrogen cooling device starts to cool the drying room. The cooling stage is controlled by the outdoor temperature. When the drying room temperature is lower than the set outdoor temperature, the nitrogen cooling device stops working and the drying room door opens.

[0017] The drying room door opening and closing sensor sends a signal, and the PLC opens the electromagnetic water inlet valve, filling the grooved track with water, and the material cart leaves the drying room.

[0018] Compared with the prior art, the advantages of the present invention are that nitrogen cooling shortens the cooling time from the discharge of materials from the drying room to the feeding of the next batch of materials, thereby improving productivity; nitrogen is free of moisture, thereby ensuring product quality; nitrogen does not chemically react with fireworks medicines, thereby being safe and reliable; the water-carrying track device avoids safety accidents caused by the movement of material vehicles; the remote control device enables enterprise managers to conduct real-time remote monitoring and control of fireworks medicine drying equipment, especially the safety monitoring department can conduct real-time remote monitoring of high-risk fireworks drying equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic structural diagram of an embodiment of the present invention.

[0020] Figure 2 A remote control schematic diagram of a remotely controllable device. DETAILED DESCRIPTION

[0021] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0022] like Figure 1-2 As shown, a fireworks drying equipment includes a drying room 25, a radiator 17, an electric heating oil tank 14, an oil pump 8, a heating fan 3, a dehumidification fan 2, a temperature sensor, a humidity sensor, a drying room door closing sensor, a nitrogen cooling device, a material wheel with a water track device, and a remote control device.

[0023] The nitrogen cooling device comprises an air pump 10, a dryer 11 and a nitrogen generator 12. When the drying room 25 is cooled, the air pump 10 sends compressed air into the dryer 11 through a pipeline, and then sends it into the nitrogen generator 12 through a pipeline, and the generated nitrogen is sent into the drying room 25 through a pipeline 13 for cooling.

[0024] The material wheel water track device is a groove track 26, one end of the groove track 26 is connected to a water inlet pipe (not shown in the figure), and an electromagnetic water inlet valve (not shown in the figure) is installed on the water inlet pipe. The electromagnetic water inlet valve is connected to PLC31. When the drying room door is opened, the drying room door opening and closing sensor (not shown in the figure) sends a signal, PLC31 opens the electromagnetic water inlet valve, and water fills the groove track 26, and the material car 24 enters or leaves the drying room 25.

[0025] The remote control device includes PLC 31, data interaction module 30, human-machine interface (not shown), power module (not shown) and network communication unit 29. The drying room door opening and closing sensor, temperature sensor and humidity sensor are connected to the input interface of PLC 31, and the heating fan 3, dehumidification fan 2, electric heating oil tank 14, oil pump 8, nitrogen cooling device and electromagnetic water inlet valve are connected to the output interface of PLC 31 through relays. The data interaction module 30 is connected to PLC 31 through RS232 interface, and the data interaction module 30 is connected to the network communication unit 29. The data interaction module 30 collects data from PLC 31 and transmits it to the network communication unit 29. The network communication unit 29 transmits the data to the cloud 28 by means of wifi, and the cloud 28 transmits the data to the mobile phone 27 by means of 4G. The cloud 28 transmits the instructions received from the mobile phone 27 to the network communication unit 29, and the data interaction module 30 transmits the instructions received from the mobile phone 27 by the network communication unit 29 to PLC 31.

[0026] The drying room 25 is equipped with a wind shield 23, the air inlet 20 of the drying room 25 is connected to the air outlet of the radiator 17 by a silicone cloth 19, the air outlet 22 of the drying room 25 is connected to the air inlet 21 of the heating fan 3 by a silicone cloth, and the lower part of the drying room 25 is equipped with a dehumidification shutter 1. The drying room 25 is equipped with a temperature sensor and a humidity sensor (not shown in the figure). The oil outlet 5 of the electric heating oil tank 14 is connected to the oil inlet 7 of the oil pump 8 by a pipeline, the oil outlet 9 of the oil pump 8 is connected to the oil inlet 15 of the radiator 17 by a pipeline, the oil outlet 16 of the radiator 17 is connected to the oil inlet 4 of the electric heating oil tank 14 by a pipeline, and a valve 6 is installed in the pipeline between the oil outlet 5 of the electric heating oil tank 14 and the oil pump 8. The air outlet 18 of the heating fan 3 is connected to the air inlet of the radiator 17. The side of the dehumidification louver 1 facing the outside of the drying room 25 is connected to the air inlet of the dehumidification fan 2. When the dehumidification fan 2 is working, the moisture in the drying room 25 is pumped to the outside. When the fireworks dryer is drying, the hot oil in the electric heating oil tank 14 is sent to the radiator 17 by the oil pump 8, and then returns to the electric heating oil tank 14, and continuously circulates to heat the radiator 17. The hot air around the radiator 17 is sent to the drying room 25 by the heating fan 3, and then returns to the heating fan 3, and continuously circulates to heat the materials in the drying room 25.

[0027] The remote control method of the fireworks drying equipment is as follows.

[0028] 1. The remote control device can transmit the real-time status information of the fireworks drying equipment to the cloud 28. After the mobile phone 27 logs into the cloud 28, the real-time status of the fireworks drying equipment can be remotely monitored in real time.

[0029] 2. The fireworks drying equipment enters the simple heating stage, which is controlled by temperature. When the temperature reaches the set value of 50 degrees, it enters the heating and intermittent dehumidification stage. At this time, the data interaction module 30 collects the drying room temperature and drying room humidity values ​​on the PLC 31, and sends them to the cloud 28 through the network communication unit 29, and the cloud 28 then transmits them to the mobile phone 27. The remote monitoring personnel can see the real-time status of the fireworks drying equipment on the mobile phone 27.

[0030] 3. The fireworks drying equipment enters the heating and intermittent dehumidification stage, which is controlled by time and divided into three steps:

[0031] In step A, the time setting value is 1.5 hours, the drying room temperature setting value is 55 degrees, the drying room humidity setting value is 65%, and the dehumidification fan 2 works for 2 minutes and stops for 8 minutes.

[0032] When the time reaches the set value 1.5 hours later, it goes to step B. At this time, the data interaction module 30 collects the drying room temperature and drying room humidity values ​​on PLC31, and sends them to the cloud 28 through the network communication unit 29, and the cloud 28 then transmits them to the mobile phone 27. If the drying room temperature does not reach the set value of 55 degrees at this time, the remote control personnel can set the extended heating time parameter in the corresponding program of the mobile phone 27, and then send it to the cloud 28. The data interaction module 30 transmits the extended heating time parameter sent by the cloud 28 received by the network communication unit 29 to PLC31, and PLC31 enables the fireworks drying equipment to continue heating in step A until the drying room temperature reaches the set value of 55 degrees. If the drying room humidity does not reach the set value of 65% at this time, the remote control personnel can set the extended dehumidification time parameter in the corresponding program of the mobile phone 27, and then send it to the cloud 28. The data interaction module 30 transmits the extended dehumidification time parameter sent by the cloud 28 received by the network communication unit 29 to PLC31, and PLC31 enables the fireworks drying equipment to continue dehumidification in step A until the drying room humidity reaches the set value of 65%.

[0033] Step B, the time setting value is 1.5 hours, the drying room temperature setting value is 60 degrees, the drying room humidity setting value is 40%, and the dehumidification fan 2 works for 3 minutes and stops for 6 minutes.

[0034] When the time reaches the set value 1.5 hours later, it goes to step C. At this time, the data interaction module 30 collects the drying room temperature and drying room humidity values ​​on PLC31, and sends them to the cloud 28 through the network communication unit 29, and the cloud 28 then transmits them to the mobile phone 27. If the drying room temperature does not reach the set value of 60 degrees at this time, the remote control personnel can set the extended heating time parameter in the corresponding program of the mobile phone 27, and then send it to the cloud 28. The data interaction module 30 transmits the extended heating time parameter sent by the cloud 28 received by the network communication unit 29 to PLC31, and PLC31 enables the fireworks drying equipment to continue heating in step B until the drying room temperature reaches the set value of 60 degrees. If the drying room humidity does not reach the set value of 40% at this time, the remote control personnel can set the extended dehumidification time parameter in the corresponding program of the mobile phone 27, and then send it to the cloud 28. The data interaction module 30 transmits the extended dehumidification time parameter sent by the cloud 28 received by the network communication unit 29 to PLC31, and PLC31 enables the fireworks drying equipment to continue dehumidification in step B until the drying room humidity reaches the set value of 40%.

[0035] Step C, the time setting value is 1.5 hours, the drying room temperature setting value is 65 degrees, the drying room humidity setting value is 15%, and the dehumidification fan 2 works for 4 minutes and stops for 5 minutes.

[0036] When the time reaches the set value of 1.5 hours, it will enter the heat preservation and dehumidification stage. At this time, the data interaction module 30 collects the drying room temperature and drying room humidity values ​​on PLC31, and sends them to the cloud 28 through the network communication unit 29, and the cloud 28 then transmits them to the mobile phone 27. If the drying room temperature does not reach the set value of 65 degrees at this time, the remote control personnel can set the extended heating time parameter in the corresponding program of the mobile phone 27, and then send it to the cloud 28. The data interaction module 30 transmits the extended heating time parameter sent by the cloud 28 received by the network communication unit 29 to PLC31, and PLC31 enables the fireworks drying equipment to continue heating in step C until the drying room temperature reaches the set value of 65 degrees. If the drying room humidity does not reach the set value of 15% at this time, the remote control personnel can set the extended dehumidification time parameter in the corresponding program of the mobile phone 27, and then send it to the cloud 28. The data interaction module 30 transmits the extended dehumidification time parameter sent by the cloud 28 received by the network communication unit 29 to PLC31, and PLC31 enables the fireworks drying equipment to continue dehumidification in step C until the drying room humidity reaches the set value of 15%.

[0037] 4. The fireworks drying equipment enters the heat preservation and dehumidification stage. When the drying room temperature is greater than or equal to the set dehumidification temperature of 65 degrees, the dehumidification will continue to operate. If the drying room temperature is lower than the set dehumidification temperature of 65 degrees, the dehumidification will stop. At this time, heating must be used to restart the dehumidification. The heat preservation and dehumidification stage is controlled by the minimum drying room humidity of 8%. When the drying room humidity reaches the set value of 8%, it will enter the cooling stage. At this time, the remote monitoring personnel can see the real-time status of the fireworks drying equipment on the mobile phone.

[0038] 5. The fireworks drying equipment enters the cooling stage, and the heating and dehumidification functions all stop working. During the set natural cooling time of 2 hours, the residual heat is used to continue drying the materials. When the time reaches the set natural cooling time of 2 hours, the nitrogen cooling device starts to cool down the drying room. The cooling stage is controlled by the outdoor temperature. When the drying room temperature is lower than the set outdoor temperature, the nitrogen cooling device stops working and the drying room door opens.

[0039] The drying room door opening and closing sensor sends a signal, PLC31 opens the electromagnetic water inlet valve, the water fills the grooved track 26, and the material car 24 leaves the drying room 25.

Claims

1. A remote control method for fireworks drying equipment, the fireworks drying equipment comprising a drying room (25), a radiator (17), an electric heating oil tank (14), an oil pump (8), a heating fan (3), a dehumidification fan (2), a temperature sensor, a humidity sensor, a drying room door closing sensor, a nitrogen cooling device, a material wheel with water track device, and a remote control device; the nitrogen cooling device comprises an air pump (10), a dryer (11) and a nitrogen generator (12); the material wheel with water track device is a groove track (2 6), one end of the grooved rail (26) is connected to a water inlet pipe, an electromagnetic water inlet valve is installed on the water inlet pipe, the remote control device comprises a PLC (31), a data interaction module (30), a human-machine interface, a power module and a network communication unit (29), the drying room (25) is equipped with a wind baffle (23), the air inlet (20) of the drying room (25) and the air outlet of the radiator (17) are connected by a silicone cloth (19), and the air outlet (22) of the drying room (25) and the air inlet (21) of the heating fan (3) are connected by a silicone cloth; The remote control method comprises: a data interaction module (30) collects the drying room temperature and drying room humidity values ​​on the PLC (31) and transmits them to the network communication unit (29); the network communication unit (29) transmits the data to the cloud (28) by means of wifi; the cloud (28) transmits the data to the mobile phone (27) by means of 4G; the cloud (28) transmits the received instruction sent by the mobile phone (27) to the network communication unit (29); the data interaction module (30) transmits the instruction sent by the mobile phone (27) received by the network communication unit (29) to the PLC (31); and the PLC (31) causes the fireworks drying device to work according to the instruction. The method is characterized in that: A. The fireworks drying equipment enters the simple heating stage, which is controlled by temperature. When the temperature reaches the set value of 50 degrees, it enters the heating and intermittent dehumidification stage; B. The fireworks drying equipment enters the heating and intermittent dehumidification stage, which is controlled by time and divided into three steps: Step a, the time setting value is 1.5 hours, the drying room temperature setting value is 55 degrees, the drying room humidity setting value is 65%, and the dehumidification fan (2) works for 2 minutes and stops for 8 minutes. When the time reaches the set value of 1.5 hours, the process proceeds to step b. If the drying room temperature has not reached the set value of 55 degrees at this time, the PLC (31) causes the fireworks drying equipment to continue heating in step a until the drying room temperature reaches the set value of 55 degrees. If the drying room humidity has not reached the set value of 65% at this time, the PLC (31) causes the fireworks drying equipment to continue dehumidifying in step a until the drying room humidity reaches the set value of 65%. Step b, the time setting value is 1.5 hours, the drying room temperature setting value is 60 degrees, the drying room humidity setting value is 40%, and the dehumidification fan (2) works for 3 minutes and stops for 6 minutes. When the time reaches the set value of 1.5 hours, the process proceeds to step c. If the drying room temperature has not reached the set value of 60 degrees at this time, PLC (31) causes the fireworks drying equipment to continue heating in step b until the drying room temperature reaches the set value of 60 degrees. If the drying room humidity has not reached the set value of 40% at this time, PLC (31) causes the fireworks drying equipment to continue dehumidifying in step b until the drying room humidity reaches the set value of 40%. Step c, the time setting value is 1.5 hours, the drying room temperature setting value is 65 degrees, the drying room humidity setting value is 15%, and the dehumidification fan (2) works for 4 minutes and stops for 5 minutes; When the time reaches the set value of 1.5 hours, it will enter the heat preservation and dehumidification stage. If the drying room temperature has not reached the set value of 65 degrees at this time, PLC (31) will make the fireworks drying equipment continue to perform step c heating until the drying room temperature reaches the set value of 65 degrees. If the drying room humidity has not reached the set value of 15% at this time, PLC (31) will make the fireworks drying equipment continue to perform step c dehumidification until the drying room humidity reaches the set value of 15%. C. The fireworks drying equipment enters the heat preservation and dehumidification stage. When the drying room temperature is greater than or equal to the set dehumidification temperature of 65 degrees, the dehumidification will continue to operate. If the drying room temperature is lower than the set dehumidification temperature of 65 degrees, the dehumidification will stop. At this time, the temperature must be raised to restart the dehumidification. The heat preservation and dehumidification stage is controlled by the minimum drying room humidity of 8%. When the drying room humidity reaches the set value of 8%, it will enter the cooling stage; D. The fireworks drying equipment enters the cooling stage, and the heating and dehumidification functions all stop working. During the set natural cooling time of 2 hours, the residual heat is used to continue drying the materials. When the time reaches the set natural cooling time of 2 hours, the nitrogen cooling device starts to cool the drying room. The cooling stage is controlled by the outdoor temperature. When the drying room temperature is lower than the set outdoor temperature, the nitrogen cooling device stops working and the drying room door opens. The drying room door opening and closing sensor sends a signal, and the PLC (31) opens the electromagnetic water inlet valve, so that the water fills the grooved track (26), and the material car (24) leaves the drying room (25).

Images