CN201082887Y - Inner-grinder spraying cooling system - Google Patents
Inner-grinder spraying cooling system Download PDFInfo
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- CN201082887Y CN201082887Y CNU2007200868541U CN200720086854U CN201082887Y CN 201082887 Y CN201082887 Y CN 201082887Y CN U2007200868541 U CNU2007200868541 U CN U2007200868541U CN 200720086854 U CN200720086854 U CN 200720086854U CN 201082887 Y CN201082887 Y CN 201082887Y
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Abstract
The utility model relates to a mist cooling system in a grinder which is characterized in comprising a high-pressure water supply device, a high-pressure air supply device and an atomizing spray gun, wherein the high-pressure water supply device has a high-pressure water pipe, the output end of which is communicated with an atomizing spray gun water inlet (21) of an atomizing spray gun (20); while the high-pressure air supply device has a high-pressure air pipe, the output end of which is communicated with an atomizing spray gun air inlet (22) of the atomizing spray gun (20). The utility model has the advantages of good atomization effect.
Description
Technical field
The utility model relates to a kind of mill internal spraying cooling system.
Background technology
Grinding machine is the main production equipments of cement production enterprise, the phenomenon that grinding machine often goes out to reveal that the grind materials temperature is too high when grinding material, material bag bag is forged in the mill, and the former easily influences the grind materials performance, and the latter causes mill output to reduce, the power consumption increase.Current method to the grinding machine cooling is that existing atomising unit atomizing effect is bad to mill internal spraying water, and shower nozzle stops up easily, and operation lacks safeguard protection to spraying equipment, causes industrial accident to take place frequently.
Summary of the invention
The mill internal spraying cooling system that provides a kind of atomizing effect good is provided the purpose of this utility model.
To achieve these goals, the technical solution of the utility model is: mill internal spraying cooling system, it is characterized in that it comprises high pressure water supply arrangement, high-pressure air supply arrangement and atomizing lance, the high-pressure water pipe output terminal of high pressure water supply arrangement is connected with the atomizing lance water-in 21 of atomizing lance 20, and the high-pressure air tube output terminal of high-pressure air supply arrangement is connected with the atomizing lance inlet mouth 22 of atomizing lance 20.
Described atomizing lance 20 comprises first nut 23, first packing ring 24, second packing ring 25, second nut 26, waterway pipe 27, gas path pipe 29, atomizer 32, gas circuit nozzle 35, the 3rd packing ring 36; In the waterway pipe 27 is cavity, the right-hand member of gas path pipe 29 passes the cavity of waterway pipe 27, the left part of gas path pipe 29 is positioned at outside the waterway pipe 27, the gas path pipe hole of second nut 26 is passed in the left part of gas path pipe 29, second nut 26 is threaded with the left part of waterway pipe 27, be provided with second packing ring 25 between second nut 26 and the waterway pipe 27, the left part of gas path pipe 29 is provided with outside screw, the left part of gas path pipe 29 is rotary with between first nut, 23, the first nuts 23 and second nut 26 and is provided with first packing ring 24; In the gas path pipe 29 is gas circuit chamber 30, and the left port of gas path pipe 29 is an atomizing lance inlet mouth 22; Waterway pipe 27 is provided with water route joint 37, forms chamber, water route 28 between gas path pipe 29 and the waterway pipe 27, and the external port of water route joint 37 is an atomizing lance water-in 21, and the inner port of water route joint 37 communicates with chamber, water route 28; The left part of atomizer 32 is provided with groove cavity, and the right part of atomizer 32 is provided with spray orifice 33, and spray orifice 33 communicates with groove cavity, and the left part of atomizer 32 is threaded with the right part of waterway pipe 27; Gas circuit nozzle 35 is positioned at the groove cavity of atomizer 32, the groove cavity internal diameter of gas circuit nozzle 35 external diameters and atomizer 32 is identical, the left part of gas circuit nozzle 35 is provided with the gas path pipe jack, the right part of gas circuit nozzle 35 is provided with gas passage 34, aquaporin 31, gas passage 34 communicates with the gas path pipe jack, insert in the gas path pipe jack of gas circuit nozzle 35 right part of gas path pipe 29, be provided with the 3rd packing ring 36 between gas circuit nozzle 35 and the gas path pipe 29, the left end of gas passage 34 is connected with gas circuit chamber 30, the right-hand member of gas passage 34 is connected with spray orifice 33, one end of aquaporin 31 communicates with chamber, water route 28, and the other end of aquaporin 31 is connected with gas passage 34.
Described high pressure water supply arrangement comprises water tank 1, water inlet float(ing)valve 2, liquid level switch 3, water tank drain valve 4, entering water electromagnetic valve 5, water inlet one way stop peturn valve 6, Piping Centrifugal Pumps 7, water outlet one way stop peturn valve 8, under meter water discharge valve 9, under meter 10, draining one way stop peturn valve 11, drain solenoid valve 12; The water-in of water tank 1 is equipped with into water float(ing)valve 2 (the tap water water inlet pipe is injected in the water tank 1 after connecting water inlet float(ing)valve 2), liquid level switch 3 is equipped with at the top of water tank 1, water tank drain valve 4 is equipped with in the bottom of water tank 1, the bottom sides of water tank 1 is equipped with outlet conduit, outlet conduit is provided with entering water electromagnetic valve 5, water inlet one way stop peturn valve 6, outlet conduit links to each other with the water-in flange of Piping Centrifugal Pumps 7, the water outlet flange of Piping Centrifugal Pumps 7 is connected with the atomizing lance water-in 21 of atomizing lance 20 by high-pressure water pipe, high-pressure water pipe is provided with water outlet one way stop peturn valve 8, under meter water discharge valve 9, under meter 10, the high-pressure water pipe of under meter 10 water outlet ends is provided with is in charge of (threeway realizes connecting by water), be in charge of and be provided with draining one way stop peturn valve 11, drain solenoid valve 12 is in charge of with the 3rd end of the gas circuit threeway 13 of high-pressure air supply arrangement and is linked to each other.
Described high-pressure air supply arrangement comprises gas circuit threeway 13, gas circuit one way stop peturn valve 14, air pressure switch 15, reducing valve 16, air reservoir 17, pressurized air one way stop peturn valve 18, air compressor 19, air compressor 19 is connected with the input terminus of air reservoir 17 by the first high-pressure air pipeline, and pipeline is provided with pressurized air one way stop peturn valve 18; The output terminal of air reservoir 17 is connected with first end of gas circuit threeway 13 by the second high-pressure air pipeline, and the second high-pressure air pipeline is provided with air pressure switch 15, reducing valve 16; Second end of gas circuit threeway 13 is connected with the atomizing lance inlet mouth 22 of atomizing lance 20 by the 3rd high-pressure air pipeline, and the 3rd high-pressure air pipeline is provided with gas circuit one way stop peturn valve 14.
Described liquid level switch 3 is connected with the high water tank switch terminal 53 of control device by lead, entering water electromagnetic valve 5 is connected with the entering water electromagnetic valve terminal 54 of control device by lead, Piping Centrifugal Pumps 7 is connected with the Piping Centrifugal Pumps terminal 57 of control device (the three-phase 220V power supply that Piping Centrifugal Pumps terminal 57 is connected frequency transformer 39 outputs) by lead, and drain solenoid valve is connected with the drain solenoid valve connection terminal 55 of control device by lead;
Control device comprises frequency transformer 39, thermometric instrument 38, programmable logic controller PLC, 24V switch power supply, connecting terminal block 49 and button and pilot lamp panel 48; Connecting terminal block 49 is by temperature probe connection terminal 50, grinding machine start interlocking switch terminal 51, air pressure switch terminal 52, high water tank switch terminal 53, entering water electromagnetic valve terminal 54, drain solenoid valve connection terminal 55, power supply terminal 56, Piping Centrifugal Pumps terminal 57 is formed, temperature probe connection terminal 50 connects thermometric instrument 38 backs by lead and is connected with the input of programmable logic controller PLC, grinding machine start interlocking switch terminal 51, air pressure switch terminal 52, high water tank switch terminal 53 is connected with the input of programmable logic controller PLC respectively, entering water electromagnetic valve terminal 54, drain solenoid valve connection terminal 55 is connected with the output of programmable logic controller PLC respectively, power supply terminal 56 is connected with the 220V AC power, Piping Centrifugal Pumps terminal 57 is linked to each other by the three-phase 220V power supply of lead with frequency transformer 39 outputs, and frequency transformer operation control terminal is connected with the output of programmable logic controller PLC; Temperature probe connection terminal 50 is linked to each other with temperature probe by lead, and temperature probe is arranged on grinding machine and goes out to grind the tail gas funnel place, and grinding machine start interlocking switch terminal 51 links to each other with grinding machine operation interlocking switch; The dc supply input of programmable logic controller PLC links to each other with the 24V switch power supply;
Button and pilot lamp panel 48 are provided with start button 40, stop button 41, startup pilot lamp 42, grinding machine startup pilot lamp 43, air pressure indicator lamp 44, high water tank pilot lamp 45, exhaust temperature pilot lamp 46, water pump operation pilot lamp 47; Start button 40, stop button 41 are connected with the input of programmable logic controller PLC respectively by lead, and startup pilot lamp 42, grinding machine startup pilot lamp 43, air pressure indicator lamp 44, high water tank pilot lamp 45, exhaust temperature pilot lamp 46, water pump operation pilot lamp 47 are connected with the output of programmable logic controller PLC respectively by lead.
The utility model adopts high pressure water supply arrangement, high-pressure air supply arrangement, atomizing lance, the high-pressure water pipe output terminal of high pressure water supply arrangement is connected with the atomizing lance water-in 21 of atomizing lance 20, the high-pressure air tube output terminal of high-pressure air supply arrangement is connected with the atomizing lance inlet mouth 22 of atomizing lance 20, high-pressure air and high pressure water mix at the head of atomizing lance 20, high-pressure air blows to spray orifice 33 with high pressure water and goes out the interruption-forming atomized water, realizes good atomizing effect.
Function by speed control by frequency variation realizes stepless adjustment of mist flow and automatic control, by grinding machine being gone out to grind the safety of sfgd. realization mill internal spraying cooling system operations such as exhaust temperature monitoring, high-pressure air pressure monitoring and grinding machine operation interlocking.
Description of drawings
Fig. 1 is a structured flowchart of the present utility model;
Fig. 2 is the structural representation of atomizing lance of the present utility model;
Fig. 3 is the sectional view of Fig. 2 along the A-A line;
Fig. 4 is the block diagram of control device of the present utility model;
Fig. 5 is the schematic diagram of control device of the present utility model;
Among the figure: 1-water tank, the 2-float(ing)valve of intaking, 3-liquid level switch, 4-water tank drain valve, 5-entering water electromagnetic valve, the 6-one way stop peturn valve of intaking, the 7-Piping Centrifugal Pumps, 8-water outlet one way stop peturn valve, 9-under meter water discharge valve, the 10-under meter, 11-draining one way stop peturn valve, 12-drain solenoid valve, the threeway of 13-gas circuit, 14-gas circuit one way stop peturn valve, 15-air pressure switch, the 16-reducing valve, 17-air reservoir, 18-pressurized air one way stop peturn valve, the 19-air compressor, 20-atomizing lance, 21-atomizing lance water-in, 22-atomizing lance inlet mouth, 23-first nut, 24-first packing ring, 25-second packing ring, 26-second nut, 27-waterway pipe, chamber, 28-water route, the 29-gas path pipe, 30-gas circuit chamber, 31-aquaporin, the 32-atomizer, the 33-spray orifice, 34-gas passage, 35-gas circuit nozzle, 36-the 3rd packing ring, 37-water route joint, 38-thermometric instrument terminal, 39-frequency transformer, the 40-start button, the 41-stop button, 42-starts pilot lamp, and the 43-grinding machine starts pilot lamp, the 44-air pressure indicator lamp, 45-high water tank pilot lamp, 46-exhaust temperature pilot lamp, 47-water pump operation pilot lamp, 48-button and pilot lamp panel, the 49-connecting terminal block; 50-temperature probe connection terminal, 51-grinding machine start interlocking switch terminal, 52-air pressure switch terminal, 53-high water tank switch terminal, 54-entering water electromagnetic valve terminal, 55-drain solenoid valve connection terminal, 56-power supply terminal, 57-Piping Centrifugal Pumps terminal, 58-grinding machine interlocking relay, 59-drain solenoid valve rly., 60-entering water electromagnetic valve rly., 61-24V switch power supply.
Embodiment
As shown in Figure 1, mill internal spraying cooling system, it is made up of high pressure water supply arrangement, high-pressure air supply arrangement, atomizing lance, control device, the high-pressure water pipe output terminal of high pressure water supply arrangement is connected with the atomizing lance water-in 21 of atomizing lance 20, and the high-pressure air tube output terminal of high-pressure air supply arrangement is connected with the atomizing lance inlet mouth 22 of atomizing lance 20.
As Fig. 2, shown in Figure 3, described atomizing lance 20 comprises first nut 23, first packing ring 24, second packing ring 25, second nut 26, waterway pipe 27, gas path pipe 29, atomizer 32, gas circuit nozzle 35, the 3rd packing ring 36; In the waterway pipe 27 is cavity, the right-hand member of gas path pipe 29 passes the cavity of waterway pipe 27, the left part of gas path pipe 29 is positioned at outside the waterway pipe 27, the gas path pipe hole of second nut 26 is passed in the left part of gas path pipe 29, second nut 26 is threaded with the left part of waterway pipe 27, be provided with second packing ring 25 between second nut 26 and the waterway pipe 27, the left part of gas path pipe 29 is provided with outside screw, the left part of gas path pipe 29 is rotary with between first nut, 23, the first nuts 23 and second nut 26 and is provided with first packing ring 24; In the gas path pipe 29 is gas circuit chamber 30, and the left port of gas path pipe 29 is an atomizing lance inlet mouth 22; Waterway pipe 27 is provided with water route joint 37, forms chamber, water route 28 between gas path pipe 29 and the waterway pipe 27, and the external port of water route joint 37 is an atomizing lance water-in 21, and the inner port of water route joint 37 communicates with chamber, water route 28; The left part of atomizer 32 is provided with groove cavity, and the right part of atomizer 32 is provided with spray orifice 33, and spray orifice 33 communicates with groove cavity, and the left part of atomizer 32 is threaded with the right part of waterway pipe 27; Gas circuit nozzle 35 is positioned at the groove cavity of atomizer 32, the groove cavity internal diameter of gas circuit nozzle 35 external diameters and atomizer 32 is identical, the left part of gas circuit nozzle 35 is provided with the gas path pipe jack, the right part of gas circuit nozzle 35 is provided with gas passage 34, aquaporin 31, gas passage 34 communicates with the gas path pipe jack, insert in the gas path pipe jack of gas circuit nozzle 35 right part of gas path pipe 29, be provided with the 3rd packing ring 36 between gas circuit nozzle 35 and the gas path pipe 29, the left end of gas passage 34 is connected with gas circuit chamber 30, the right-hand member of gas passage 34 is connected with spray orifice 33, one end of aquaporin 31 communicates with chamber, water route 28, and the other end of aquaporin 31 is connected with gas passage 34.
The material of described atomizer 32 is wear-resisting steel.Made by chromium 12 manganese vanadium material stainless steels, this materials processing moulding is after Overheating Treatment, and its wear resisting property is greatly improved.Described atomizer 32 is to be inserted in the grinding machine by the grinding machine afterbody, its shower nozzle fore portion is in grinding machine grinding element collision abrasion state, can effectively prevent shower nozzle like this by material latch up phenomenon in the grinding machine, adopt above-mentioned materials can improve the shower nozzle wear resisting property greatly, prolong shower nozzle work-ing life.
Described high pressure water supply arrangement comprises water tank 1, water inlet float(ing)valve 2, liquid level switch 3, water tank drain valve 4, entering water electromagnetic valve 5, water inlet one way stop peturn valve 6, Piping Centrifugal Pumps 7, water outlet one way stop peturn valve 8, under meter water discharge valve 9, under meter 10, draining one way stop peturn valve 11, drain solenoid valve 12; The water-in of water tank 1 is equipped with into water float(ing)valve 2 (the tap water water inlet pipe is injected in the water tank 1 after connecting water inlet float(ing)valve 2), liquid level switch 3 is equipped with at the top of water tank 1, water tank drain valve 4 is equipped with in the bottom of water tank 1, the bottom sides of water tank 1 is equipped with outlet conduit, outlet conduit is provided with entering water electromagnetic valve 5, water inlet one way stop peturn valve 6, outlet conduit links to each other with the water-in flange of Piping Centrifugal Pumps 7, the water outlet flange of Piping Centrifugal Pumps 7 is connected with the atomizing lance water-in 21 of atomizing lance 20 by high-pressure water pipe, high-pressure water pipe is provided with water outlet one way stop peturn valve 8, under meter water discharge valve 9, under meter 10, the high-pressure water pipe of under meter 10 water outlet ends is provided with is in charge of (threeway realizes connecting by water), be in charge of and be provided with the single-phase vacuum breaker 11 of draining, drain solenoid valve 12 is in charge of with the 3rd end of the gas circuit threeway 13 of high-pressure air supply arrangement and is linked to each other.
Described high-pressure air supply arrangement comprises gas circuit threeway 13, gas circuit one way stop peturn valve 14, air pressure switch 15, reducing valve 16, air reservoir 17, pressurized air one way stop peturn valve 18, air compressor 19, air compressor 19 is connected with the input terminus of air reservoir 17 by the first high-pressure air pipeline, and pipeline is provided with pressurized air one way stop peturn valve 18; The output terminal of air reservoir 17 is connected with first end of gas circuit threeway 13 by the second high-pressure air pipeline, and the second high-pressure air pipeline is provided with air pressure switch 15, reducing valve 16; Second end of gas circuit threeway 13 is connected with the atomizing lance inlet mouth 22 of atomizing lance 20 by the 3rd high-pressure air pipeline, and the 3rd high-pressure air pipeline is provided with gas circuit one way stop peturn valve 14.
As shown in Figure 4, described liquid level switch 3 is connected with the high water tank switch terminal 53 of control device by lead, entering water electromagnetic valve 5 is connected with the entering water electromagnetic valve terminal 54 of control device by lead, Piping Centrifugal Pumps 7 is connected with the Piping Centrifugal Pumps terminal 57 of control device (the three-phase 220V power supply that Piping Centrifugal Pumps terminal 57 is connected frequency transformer 39 outputs) by lead, and drain solenoid valve is connected with the drain solenoid valve connection terminal 55 of control device by lead;
Control device comprises frequency transformer 39, thermometric instrument 38, programmable logic controller PLC, 24V switch power supply, connecting terminal block 49 and button and pilot lamp panel 48; Connecting terminal block 49 is by temperature probe connection terminal 50, grinding machine start interlocking switch terminal 51, air pressure switch terminal 52, high water tank switch terminal 53, entering water electromagnetic valve terminal 54, drain solenoid valve connection terminal 55, power supply terminal 56, Piping Centrifugal Pumps terminal 57 is formed, temperature probe connection terminal 50 connects thermometric instrument 38 backs by lead and is connected with the input of programmable logic controller PLC, grinding machine start interlocking switch terminal 51, air pressure switch terminal 52, high water tank switch terminal 53 is connected with the input of programmable logic controller PLC respectively, entering water electromagnetic valve terminal 54, drain solenoid valve connection terminal 55 is connected with the output of programmable logic controller PLC respectively, power supply terminal 56 is connected with the 220V AC power, Piping Centrifugal Pumps terminal 57 is linked to each other by the three-phase 220V power supply of lead with frequency transformer 39 outputs, and frequency transformer operation control terminal is connected with the output of programmable logic controller PLC; Temperature probe connection terminal 50 is linked to each other with temperature probe by lead, and temperature probe is arranged on grinding machine and goes out to grind the tail gas funnel place, and grinding machine start interlocking switch terminal 51 links to each other with grinding machine operation interlocking switch; The dc supply input of programmable logic controller PLC links to each other with the 24V switch power supply;
Button and pilot lamp panel 48 are provided with start button 40, stop button 41, startup pilot lamp 42, grinding machine startup pilot lamp 43, air pressure indicator lamp 44, high water tank pilot lamp 45, exhaust temperature pilot lamp 46, water pump operation pilot lamp 47; Start button 40, stop button 41 are connected with the input of programmable logic controller PLC respectively by lead, and startup pilot lamp 42, grinding machine startup pilot lamp 43, air pressure indicator lamp 44, high water tank pilot lamp 45, exhaust temperature pilot lamp 46, water pump operation pilot lamp 47 are connected with the output of programmable logic controller PLC respectively by lead.
Atomizing cooling system housing automatically controlled circuit interface chart in the mill
As shown in Figure 5, control device is the core control section with siemens PLC (model 6ES7214-1BD23-OXBO), wherein PLC input 0.0 connects grinding machine interlocking relay normally opened contact, input 0.1 meets jointing temp instrument ceiling temperature alarm actuating contact AL1, input 0.2 connects the air pressure switch normally opened contact, input 0.3 connects the start button normally opened contact, and input 0.4 connects the stop button normally opened contact, imports 0.5 water receiving case liquid level switch normally closed contact.PLC output 0.0 taps into the water solenoid valve relay1 coil, output 0.1 connects the startup pilot lamp, export 0.2 water receiving case liquid level pilot lamp, output 0.3 connects air pressure indicator lamp, output 0.4 connects the exhaust temperature pilot lamp, output 0.5 connects the pump operation pilot lamp, and output 0.6 connects the grinding machine run indicator, the output 0.7 water solenoid valve relay1 coil that runs in.One group of contact of entering water electromagnetic valve rly. connects frequency transformer signal control end COM, OP2 and OP3 respectively, another group normally opened contact taps into water solenoid valve, one group of normally opened contact of drain solenoid valve water solenoid valve that runs in, grinding machine interlocking relay coil connect the normal unlatching movable contact in the on-the-spot grinding machine housing.Frequency transformer input supply terminal is R and T end, and R termination 220V AC power live wire, T termination 220V AC power zero line, frequency transformer out-put supply terminal are U, V and W end, and they take over the road centrifugal pump motor.Temperature control instrument L and N end connect 220V AC power, 5,6 and 7 termination thermometric thermal resistance sensors respectively.Wire size 2222 is a 220V AC power live wire in this wiring diagram 5, and 3333 is 220V AC power zero line, and 0000 is the 24V dc power anode, and 1111 is the 24V dc power cathode.
PLC is responsible for reading the input terminal signal condition in real time, by the internal processes logic, and the state of control output end son output.After start button is pressed, it is bright to start pilot lamp, after the grinding machine operation, grinding machine interlocking normally opened contact closure, the grinding machine run indicator is bright, when air pressure reaches set(ting)value when above, air pressure indicator lamp is bright, when high water tank reaches desired location, and the liquid level switch closure, the high water tank pilot lamp is bright, when the grinding machine exhaust temperature reaches alarming value, the temperature alarming closing of contact, the exhaust temperature pilot lamp is bright, behind above conditions being possessed, PLC starts the entering water electromagnetic valve rly., and one group of normally-open normally-close contact of this rly. connects the frequency transformer startup and stops control end, afterwards, frequency transformer starts, and the Piping Centrifugal Pumps startup runs to setpoint frequency.When above any condition did not possess, PLC promptly closed the entering water electromagnetic valve rly., and Piping Centrifugal Pumps is promptly out of service.
Mill internal spraying cooling system is that the mode that sprays material heat in the atomized water absorption grinding machine after mixing in atomizing lance 20 by high pressure water and high-pressure air is lowered the temperature.The water tank water intake valve is opened, and when cistern water level reached into water float(ing)valve 2 positions, water inlet float(ing)valve 2 was closed inlet valve automatically.When water tank 1 water level was lower than liquid level switch 3 control water levels, liquid level switch 3 normally closed contacts disconnected, and the PLC liquid level input signal of control device (in the housing) disconnects, thereby stopped Piping Centrifugal Pumps 7 work.Water tank 1 bottom water tank drain valve 4 is used for regularly discharging impurity in the water tank.After water level in the water tank is higher than liquid level switch 3 control water levels, entering water electromagnetic valve 5 is opened, water tank 1 water flows out from outlet conduit and enters entering water electromagnetic valve 5 and flow through into that water one way stop peturn valve 6 enters Piping Centrifugal Pumps 7 again, here entering water electromagnetic valve 5 mainly is to provide water to Piping Centrifugal Pumps when system works, stop water to continue to flow out to Piping Centrifugal Pumps 7 when system closing, water inlet one way stop peturn valve 6 mainly is to guarantee that Piping Centrifugal Pumps 7 quits work in the Piping Centrifugal Pumps 7 of back water not in the reverse direction flow recovery tank.Water flows to water outlet one way stop peturn valve 8 after pressurizeing through Piping Centrifugal Pumps 7, and water outlet one way stop peturn valve 8 mainly is to stop high-pressure air reverse direction flow return pipe road impeller pump 7 here.Afterwards, High-Pressure Water is under meter 10, and under meter 10 inlet individual threeway flange, its other end connection traffic meter water discharge valve 9, its effect being arranged is surplus water in the discharge line when native system does not use for a long time, prevents to burst under meter 10 behind the water freezing in winter.Enter into the atomizing lance water-in 21 of atomizing lance 20 behind the High-Pressure Water outflow rate meter through high-pressure water pipe.Connect the threeway flange under meter water-output flange place, its other end connects check valve of water drainage 11, and its effect is to stop High-Pressure Water to gas circuit when equipment work.
The gas circuit mode of operation is, at first air compressor 19 produces high-pressure air, high-pressure air flows in the air reservoir 17 through the one way stop peturn valve 18 of giving vent to anger, high-pressure air flows to reducing valve 16 afterwards, reducing valve is by adjusting the output pressure of high-pressure air, pressurized air flows to air pressure switch 15, air pressure switch 15 detects compressed-air actuated pressure in the gas circuit, when compressed air pressure during greater than set(ting)value, pressure switch normally opened contact closure, signal is provided for the PLC pressure signal input terminus of control device, expression gas circuit pressure reaches working range.Pressurized air continues to flow through gas circuit threeway 13, and gas circuit one way stop peturn valve 14 is flow through on the one road, and this moment, the gas circuit one way stop peturn valve was to guarantee that high pressure water can oppositely not flow in the gas circuit.Afterwards, pressurized air flows to the atomizing lance inlet mouth 22 of atomizing lance 20.The gas circuit T-valve the other end connects drain solenoid valve 12, and after equipment quit work, drain solenoid valve 12 was opened, this moment high-pressure air with the surplus water emptying in the waterway pipe, thereby its effect is to prevent in the grinding machine that the material gambling of lump in the water route fills in waterway pipe.The drain solenoid valve 12 water one way stop peturn valve 11 that runs in again, after its effect prevented equipment work, high pressure water oppositely flowed into gas path pipe.
The waterway pipe 27 of atomizing lance, gas path pipe 29 are stainless steel waterpipe, waterway pipe 27 by the more piece waterway pipe peg graft mutually (or being threaded) form, both can regulate the length of atomizing lance as required, also convenient the installation and transportation.Gas circuit nozzle 35 center drillings (gas passage 34), it is fixed that bore size is come according to injection flow rate, have four grooves in gas circuit nozzle outside, article four, groove provides the high pressure water passage, gas circuit nozzle top plan have outside four grooves of right-angled intersection groove and gas circuit nozzle corresponding together with, the center is a gas passage 34, high pressure water can arrive top groove (forming aquaporin 31) by gas circuit nozzle outer grooves like this, in spray orifice 33, also expand rapidly and form atomized water by high pressure air water mixing back ejection spray orifice 33 with high pressure water jets for the high-pressure air of gas passage 34 ejections of gas circuit nozzle.
Atomized water,, is drained through gas shaft, thereby is reached the purpose that reduces the grind materials temperature after atomized water absorbs material heat because temperature of charge height and material are in grinding state by mixing of materials in atomizing lance ejection back and the grinding machine.
Control device is responsible for the control of each equipment working state of atomization system.After start button 40 was pressed, it was bright to start pilot lamp 42.After the signal closes of grinding machine start interlocking switch terminal 51, it is bright that grinding machine starts pilot lamp 43, shows that grinding machine starts.After grinding machine started pilot lamp 52 normally opened contact closures, air pressure indicator lamp 44 was bright, and this shows that spray gun gas circuit compressed air pressure is normal.After thermometric instrument warning normally opened contact closure, exhaust temperature pilot lamp 46 is bright, and this shows that the grinding machine temperature of charge is too high, needs mist cooling.After high water tank was higher than the setting liquid level, high water tank switch terminal 53 normally closed contacts were connected, and high water tank pilot lamp 45 is bright, and this shows that the water in the water tank can enough be used for the Piping Centrifugal Pumps pressurization and be transported to atomizing lance.After these five pilot lamp are all bright, show the condition that possesses water spray, programmable logic controller PLC internal processes is opened the rly. that starts frequency transformer work, frequency transformer starts the work of back control pipeline centrifugal pump motor, water pump operation pilot lamp 47 is bright simultaneously, and the atomizing cooling system enters working order in the whole like this mill.When any one did not satisfy when above five operational conditionss, PLC control of conversion device quit work, and Piping Centrifugal Pumps is also out of service.But this moment, gas circuit still is connected with pressurized air in the atomizing lance, and such purpose is to guarantee that material can not stop up atomizing nozzle (spray orifice 33) and atomizing lance pipeline in the grinding machine.After stop button 41 is pressed, the also corresponding atomization water that stops of control device, this moment, drain solenoid valve 12 was opened, and pressurized air enters the water route, like this can the spray of the surplus water in the atomizing lance is clean, prevent from that material from condensing to stop up the spray gun pipeline.Because in the Piping Centrifugal Pumps outlet water outlet one way stop peturn valve 8 is installed, pressurized air will can not enter in Piping Centrifugal Pumps 7 and the water tank 1.
This mill internal spraying cooling system can be realized the electrodeless adjustment of spray flow by changing the frequency transformer running frequency, and the user can freely adjust mist flow according to actual needs, and control section is controlled by PLC, and control automatically can realize spraying.Through behind the atomizing lance of the present utility model, the water atomization of ejection is effective, can prevent to stop up, and atomizer 32 adopts wear-resisting steel design, effectively reduces wear, and prolongs shower nozzle work-ing life greatly.Pilot circuit partly adopts PLC control, can realize grinding machine operation interlocking, effectively prevent to stop grinding the back and continue the industrial accident of water spray and take place, anhydrous when water tank, air pressure not enough, go out to grind after temperature is lower than setting, control device can stop water spray automatically, guarantees that effectively equipment normally moves.By to going out to grind the monitoring of exhaust temperature, can effectively prevent the dust-precipitator dewfall.In a word, the native system result of use is good, the stabilization of equipment performance height, and effectively support equipment normally moves.
This mill internal spraying cooling system can realize that mist flow controls automatically, behind five conditions being possesseds of spraying operation, system device enters running status and begins spraying, at first Controlling System PLC reads the grinding machine exhaust temperature, the target temperature value of this temperature and setting is compared, obtain a temperature gap, when the difference temperature is spent greater than 2, increase mist flow and promptly increase step value of the current frequency of frequency transformer, when the difference temperature is in ± 2 degree, keep current mist flow and promptly do not change current frequency converter frequency,, reduce mist flow and promptly reduce step value of the current frequency of frequency transformer when the difference temperature is lower than-2 when spending.When frequency converter frequency reached the maximum frequency of setting, Controlling System no longer increased the running frequency of frequency transformer just with the maximum frequency values operation.When frequency converter frequency reached low-limit frequency, Controlling System was just moved with low-limit frequency.The PLC of Controlling System realizes the automatic control operation of atomizing cooling system with above-mentioned control method, when any one does not possess when five operational conditionss in the atomization system, Controlling System PLC stops frequency transformer and Piping Centrifugal Pumps operation at any time, promptly stops to the grinding machine internal spraying.By above-mentioned autocontrol method, can control the atomization system spraying in real time according to the controlled temperature value that the user sets, thereby reach best spray effect, make grinding machine go out the scope that the grind materials temperature is controlled at requirement.
Claims (6)
1. grind the internal spraying cooling system, it is characterized in that it comprises high pressure water supply arrangement, high-pressure air supply arrangement and atomizing lance, the high-pressure water pipe output terminal of high pressure water supply arrangement is connected with the atomizing lance water-in (21) of atomizing lance (20), and the high-pressure air tube output terminal of high-pressure air supply arrangement is connected with the atomizing lance inlet mouth (22) of atomizing lance (20).
2. mill internal spraying cooling system according to claim 1 is characterized in that: described atomizing lance (20) comprises first nut (23), first packing ring (24), second packing ring (25), second nut (26), waterway pipe (27), gas path pipe (29), atomizer (32), gas circuit nozzle (35), the 3rd packing ring (36); In the waterway pipe (27) is cavity, the right-hand member of gas path pipe (29) passes the cavity of waterway pipe (27), the left part of gas path pipe (29) is positioned at outside the waterway pipe (27), the gas path pipe hole of second nut (26) is passed in the left part of gas path pipe (29), second nut (26) is threaded with the left part of waterway pipe (27), be provided with second packing ring (25) between second nut (26) and the waterway pipe (27), the left part of gas path pipe (29) is provided with outside screw, the left part of gas path pipe (29) is rotary with first nut (23), is provided with first packing ring (24) between first nut (23) and second nut (26); In the gas path pipe (29) is gas circuit chamber (30), and the left port of gas path pipe (29) is atomizing lance inlet mouth (22); Waterway pipe (27) is provided with water route joint (37), form chamber, water route (28) between gas path pipe (29) and the waterway pipe (27), the external port of water route joint (37) is atomizing lance water-in (21), and the inner port of water route joint (37) communicates with chamber, water route (28); The left part of atomizer (32) is provided with groove cavity, and the right part of atomizer (32) is provided with spray orifice (33), and spray orifice (33) communicates with groove cavity, and the left part of atomizer (32) is threaded with the right part of waterway pipe (27); Gas circuit nozzle (35) is positioned at the groove cavity of atomizer (32), gas circuit nozzle (35) external diameter is identical with the groove cavity internal diameter of atomizer (32), the left part of gas circuit nozzle (35) is provided with the gas path pipe jack, the right part of gas circuit nozzle (35) is provided with gas passage (34), aquaporin (31), gas passage (34) communicates with the gas path pipe jack, insert in the gas path pipe jack of gas circuit nozzle (35) right part of gas path pipe (29), be provided with the 3rd packing ring (36) between gas circuit nozzle (35) and the gas path pipe (29), the left end of gas passage (34) is connected with gas circuit chamber (30), the right-hand member of gas passage (34) is connected with spray orifice (33), one end of aquaporin (31) communicates with chamber, water route (28), and the other end of aquaporin (31) is connected with gas passage (34).
3. mill internal spraying cooling system according to claim 1 is characterized in that: described high pressure water supply arrangement comprises water tank (1), water inlet float(ing)valve (2), liquid level switch (3), water tank drain valve (4), entering water electromagnetic valve (5), water inlet one way stop peturn valve (6), Piping Centrifugal Pumps (7), water outlet one way stop peturn valve (8), under meter water discharge valve (9), under meter (10), draining one way stop peturn valve (11), drain solenoid valve (12); The water-in of water tank (1) is equipped with into water float(ing)valve (2), liquid level switch (3) is equipped with at the top of water tank (1), water tank drain valve (4) is equipped with in the bottom of water tank (1), the bottom sides of water tank (1) is equipped with outlet conduit, outlet conduit is provided with entering water electromagnetic valve (5), water inlet one way stop peturn valve (6), outlet conduit links to each other with the water-in flange of Piping Centrifugal Pumps (7), the water outlet flange of Piping Centrifugal Pumps (7) is connected with the atomizing lance water-in (21) of atomizing lance (20) by high-pressure water pipe, high-pressure water pipe is provided with water outlet one way stop peturn valve (8), under meter water discharge valve (9), under meter (10), the high-pressure water pipe of under meter (10) water outlet end is provided with to be in charge of, be in charge of and be provided with draining one way stop peturn valve (11), drain solenoid valve (12) is in charge of with the 3rd end of the gas circuit threeway (13) of high-pressure air supply arrangement and is linked to each other.
4. mill internal spraying cooling system according to claim 1, it is characterized in that: described high-pressure air supply arrangement comprises gas circuit threeway (13), gas circuit one way stop peturn valve (14), air pressure switch (15), reducing valve (16), air reservoir (17), pressurized air one way stop peturn valve (18), air compressor (19), air compressor (19) is connected by the input terminus of the first high-pressure air pipeline with air reservoir (17), and pipeline is provided with pressurized air one way stop peturn valve (18); The output terminal of air reservoir (17) is connected by first end of the second high-pressure air pipeline with gas circuit threeway (13), and the second high-pressure air pipeline is provided with air pressure switch (15), reducing valve (16); Second end of gas circuit threeway (13) is connected with the atomizing lance inlet mouth (22) of atomizing lance (20) by the 3rd high-pressure air pipeline, and the 3rd high-pressure air pipeline is provided with gas circuit one way stop peturn valve (14).
5. mill internal spraying cooling system according to claim 3, it is characterized in that: described liquid level switch (3) is connected with the high water tank switch terminal (53) of control device by lead, entering water electromagnetic valve (5) is connected with the entering water electromagnetic valve terminal (54) of control device by lead, Piping Centrifugal Pumps (7) is connected with the Piping Centrifugal Pumps terminal (57) of control device by lead, and drain solenoid valve is connected with the drain solenoid valve connection terminal (55) of control device by lead;
Control device comprises frequency transformer (39), thermometric instrument (38), programmable logic controller PLC, 24V switch power supply, connecting terminal block (49) and button and pilot lamp panel (48); Connecting terminal block (49) is by temperature probe connection terminal (50), grinding machine start interlocking switch terminal (51), air pressure switch terminal (52), high water tank switch terminal (53), entering water electromagnetic valve terminal (54), drain solenoid valve connection terminal (55), power supply terminal (56), Piping Centrifugal Pumps terminal (57) is formed, temperature probe connection terminal (50) connects thermometric instrument (38) back by lead and is connected with the input of programmable logic controller PLC, grinding machine start interlocking switch terminal (51), air pressure switch terminal (52), high water tank switch terminal (53) is connected with the input of programmable logic controller PLC respectively, entering water electromagnetic valve terminal (54), drain solenoid valve connection terminal (55) is connected with the output of programmable logic controller PLC respectively, power supply terminal (56) is connected with the 220V AC power, Piping Centrifugal Pumps terminal (57) is linked to each other by the three-phase 220V power supply of lead with frequency transformer (39) output, and frequency transformer operation control terminal is connected with the output of programmable logic controller PLC; Temperature probe connection terminal (50) is linked to each other with temperature probe by lead, and temperature probe is arranged on grinding machine and goes out to grind the tail gas funnel place, and grinding machine start interlocking switch terminal (51) links to each other with grinding machine operation interlocking switch; The dc supply input of programmable logic controller PLC links to each other with the 24V switch power supply;
Air pressure switch (15) is connected with air pressure switch terminal (52) by lead, and air compressor (19) is connected with power supply terminal (56);
Button and pilot lamp panel (48) are provided with start button (40), stop button (41), startup pilot lamp (42), grinding machine startup pilot lamp (43), air pressure indicator lamp (44), high water tank pilot lamp (45), exhaust temperature pilot lamp (46), water pump operation pilot lamp (47); Start button (40), stop button (41) are connected with the input of programmable logic controller PLC respectively by lead, and startup pilot lamp (42), grinding machine startup pilot lamp (43), air pressure indicator lamp (44), high water tank pilot lamp (45), exhaust temperature pilot lamp (46), water pump operation pilot lamp (47) are connected with the output of programmable logic controller PLC respectively by lead.
6. mill internal spraying cooling system according to claim 2 is characterized in that: the material of described atomizer (32) is wear-resisting steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200868541U CN201082887Y (en) | 2007-09-07 | 2007-09-07 | Inner-grinder spraying cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200868541U CN201082887Y (en) | 2007-09-07 | 2007-09-07 | Inner-grinder spraying cooling system |
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| Publication Number | Publication Date |
|---|---|
| CN201082887Y true CN201082887Y (en) | 2008-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200868541U Expired - Fee Related CN201082887Y (en) | 2007-09-07 | 2007-09-07 | Inner-grinder spraying cooling system |
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| Country | Link |
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| CN (1) | CN201082887Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147192A (en) * | 2013-02-22 | 2013-06-12 | 珠海醋酸纤维有限公司 | Cooling water supply system for crimping machine |
| CN103978154A (en) * | 2014-04-22 | 2014-08-13 | 河北瑞欧消失模科技有限公司 | Pinwheel cooling machine capable of automatically controlling sand temperature |
| CN104525410A (en) * | 2015-01-08 | 2015-04-22 | 张文明 | Method for forming different-size water drops through single sprinkler water-steam mixing device |
| CN105396654A (en) * | 2015-11-23 | 2016-03-16 | 四川亿欣新材料有限公司 | Vertical mill material layer stabilization device |
| CN106286413A (en) * | 2015-05-26 | 2017-01-04 | 内蒙古大唐国际克什克腾煤制天然气有限责任公司 | A kind of device reducing cavitation generation |
| CN106269366A (en) * | 2016-10-21 | 2017-01-04 | 伟创力电子技术(苏州)有限公司 | A kind of scaling powder shower nozzle leak-proof device |
| CN108907376A (en) * | 2018-08-24 | 2018-11-30 | 南京航空航天大学 | Electrical discharge machining and atomization ablation atomizing medium generating means system |
| CN110496476A (en) * | 2019-03-26 | 2019-11-26 | 成都航天中兴机械有限责任公司 | It is a kind of multiple dimensioned by spraying except haze equipment |
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2007
- 2007-09-07 CN CNU2007200868541U patent/CN201082887Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147192A (en) * | 2013-02-22 | 2013-06-12 | 珠海醋酸纤维有限公司 | Cooling water supply system for crimping machine |
| CN103978154A (en) * | 2014-04-22 | 2014-08-13 | 河北瑞欧消失模科技有限公司 | Pinwheel cooling machine capable of automatically controlling sand temperature |
| CN104525410A (en) * | 2015-01-08 | 2015-04-22 | 张文明 | Method for forming different-size water drops through single sprinkler water-steam mixing device |
| CN106286413A (en) * | 2015-05-26 | 2017-01-04 | 内蒙古大唐国际克什克腾煤制天然气有限责任公司 | A kind of device reducing cavitation generation |
| CN105396654A (en) * | 2015-11-23 | 2016-03-16 | 四川亿欣新材料有限公司 | Vertical mill material layer stabilization device |
| CN106269366A (en) * | 2016-10-21 | 2017-01-04 | 伟创力电子技术(苏州)有限公司 | A kind of scaling powder shower nozzle leak-proof device |
| CN108907376A (en) * | 2018-08-24 | 2018-11-30 | 南京航空航天大学 | Electrical discharge machining and atomization ablation atomizing medium generating means system |
| CN110496476A (en) * | 2019-03-26 | 2019-11-26 | 成都航天中兴机械有限责任公司 | It is a kind of multiple dimensioned by spraying except haze equipment |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080709 Termination date: 20110907 |