CN107084117A - The cooling water circulating device of air compressor machine and the air compressor machine and control method using it - Google Patents
The cooling water circulating device of air compressor machine and the air compressor machine and control method using it Download PDFInfo
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- CN107084117A CN107084117A CN201710388121.1A CN201710388121A CN107084117A CN 107084117 A CN107084117 A CN 107084117A CN 201710388121 A CN201710388121 A CN 201710388121A CN 107084117 A CN107084117 A CN 107084117A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
Abstract
The present invention relates to air compressor machine falling temperature technique field.For the cooling water circulating device of air compressor machine, including：Water inlet pipe, outlet pipe, cooling tower, super charge pipe, secondary cylinder, the first escape pipe and master controller；Cooling water enters the cooling water circulating device by the water inlet pipe, enters the cooling tower after outlet pipe discharge；Water intaking valve and temperatuer detector are installed on the water inlet pipe；The input of the super charge pipe is communicated in the compressed gas efferent duct of the air compressor machine, and the super charge pipe is provided with air inlet electromagnetic valve and pressure-reducing valve, and the output end of the super charge pipe is communicated in the input of the secondary cylinder；The output end of the secondary cylinder is communicated in the input of first escape pipe, and first escape pipe is provided with emptying magnetic valve, and the output end of first escape pipe is communicated in the outlet pipe；The air inlet electromagnetic valve, the temperatuer detector, the water intaking valve and emptying magnetic valve are controlled by the master controller.
Description
Technical field
The present invention relates to air compressor machine falling temperature technique field, and in particular to the cooling water circulating device of air compressor machine and using its
Air compressor machine and control method.
Background technology
In industrial production, it is often necessary to use air compressor machine, and air compressor machine can operationally produce substantial amounts of heat, in order to ensure
The normal operation of air compressor machine, can typically be taken away these heats with heat abstractor.The radiating on the market for air compressor machine is filled at present
Put and be divided into air-cooled and two kinds of water cooling, easily realize and be widely used because of the good cooling results of water cooling.But China
North of china in winter is cold, and the cooling line of water chiller usually occurs causing air compressor machine not use normally freezing because temperature is low.
The content of the invention
It is an object of the invention to for weak point of the prior art there is provided the cooling water circulating device of air compressor machine and
Use its air compressor machine and control method.
For up to this purpose, the present invention uses following technical scheme：For the cooling water circulating device of air compressor machine, including：Enter
Water pipe, outlet pipe, cooling tower, super charge pipe, secondary cylinder, the first escape pipe and master controller；
Cooling water enters the cooling water circulating device by the water inlet pipe, enters described cold after outlet pipe discharge
But tower；
Water intaking valve and temperatuer detector are installed on the water inlet pipe；
The input of the super charge pipe is communicated in the compressed gas efferent duct of the air compressor machine, the super charge Guan An
Equipped with air inlet electromagnetic valve and pressure-reducing valve, the output end of the super charge pipe is communicated in the input of the secondary cylinder；
The output end of the secondary cylinder is communicated in the input of first escape pipe, and first escape pipe is provided with
Emptying magnetic valve, the output end of first escape pipe is communicated in the outlet pipe；
The master controller is programmable logic controller (PLC)；The air inlet electromagnetic valve, the temperatuer detector, it is described enter
Water valve and emptying magnetic valve are controlled by the master controller.
It is preferred that, in addition to the first branch drain and the second escape pipe；
The input of first branch drain is communicated on the water inlet pipe, first branch drain and is provided with first
Draining valve, the output end of first branch drain is communicated in the cooling tower；
The input of second escape pipe is communicated in the output end of the secondary cylinder, the output of second escape pipe
End is communicated in the water inlet pipe；
The input of first branch drain is first node, second escape pipe with the junction of the water inlet pipe
The junction of output end and the water inlet pipe be Section Point；The temperatuer detector and the water intaking valve are arranged at described cold
But between tower and the first node；
First draining valve is controlled by the master controller.
It is preferred that, in addition to the second branch drain；The input of second branch drain connects the outlet pipe,；Institute
State the second branch drain and the second draining valve is installed, the output end of second branch drain connects the cooling tower；
Check valve is installed on the outlet pipe；Second draining valve is controlled by the master controller.
It is preferred that, the output end of first escape pipe is the 3rd node, described second with the junction of the outlet pipe
The junction of the output end of branch drain and the outlet pipe is fourth node；The check valve is arranged at the cooling tower and institute
State between fourth node；First flow switch is installed on the water inlet pipe；Second flow switch is installed on the outlet pipe；
The first flow switch and second flow switch are arranged between the Section Point and the 3rd node；
The first flow switch is controlled with second flow switch by the master controller.
It is preferred that, in addition to blow-off pipe and the 3rd escape pipe；
The input of the blow-off pipe is communicated in the compression main frame sewage draining exit, the output end connection sewage of the blow-off pipe
Pond；
The input of 3rd escape pipe is communicated in the output end of the secondary cylinder, the output of the 3rd escape pipe
The end connection blow-off pipe.
It is preferred that, the air inlet electromagnetic valve, the water intaking valve, first draining valve and second draining valve are two
Two-way electromagnetic valve；The emptying magnetic valve is the electro-magnetic time-delay valve of bi-bit bi-pass.
It is preferred that, using the air compressor machine of the cooling water circulating device for air compressor machine, the air compressor machine includes compression
Main frame and air delivering pipeline；
The air delivering pipeline is used to transmit gas；The air delivering pipeline includes air intake duct and compressed gas efferent duct；Institute
Air intake duct is stated to be compressed for air to be input into the compression main frame；The compression main frame is used for compressed air；Institute
State compressed gas efferent duct be used for transmit compression main frame compress after gas；The cooling water circulating device is used to cool down the compression
Owner's body.
It is preferred that, use the control method of the cooling water circulating device for air compressor machine, it is characterised in that：Including with
Lower step：
Step 1, the air compressor machine start, and the master controller detects the enabling signal of the air compressor machine, it is described in
Heart controller controls the water intaking valve normally opened；The master controller control the air inlet electromagnetic valve, first draining valve and
Second draining valve keeps normally closed；The master controller controls the emptying magnetic valve to obtain electric timing closing；
Step 2, the air intake duct inspiration air deliver to the compression main frame, and the compression main frame is pressed air
Contract from the compressed gas efferent duct output high-pressure gas；Cooling water in the cooling tower is from the water inlet pipe through the temperature
Detection meter, the water intaking valve, the first flow switch flows into the air compressor machine, after from the outlet pipe through second draining
Valve and the check valve are back to the cooling tower；
Step 3, the air compressor machine are shut down, and the master controller detects the stopping signal of the air compressor machine, and described
When the current water temperature that temperatuer detector detects the water inlet pipe is less than 2 degrees Celsius, the master controller controls the water inlet
Valve obtains electric normally closed；The master controller controls first draining valve, second draining valve, the emptying magnetic valve and institute
State air inlet electromagnetic valve and obtain electric normally opened, pressure-reducing valve described in a part of gases at high pressure from the super charge Guan Jing and the air inlet electromagnetism
Valve enters the secondary cylinder；
Step 4, the gases at high pressure of the secondary cylinder are through first escape pipe, second escape pipe and the described 3rd
Escape pipe is flowed among the outlet pipe, the water inlet pipe and the blow-off pipe respectively；Water in the water inlet pipe is from described
The water part that one branch drain is back in the cooling tower, the outlet pipe through first draining valve is passed straight back to institute
Cooling tower is stated, another part is discharged to cooling tower from second branch drain through second draining valve, the compression main frame
Sewage is from the blow-off pipe is discharged to the cesspool；
Step 5, when first flow switch and second flow switch can't detect current, center control
Device processed controls the air inlet electromagnetic valve to obtain electric normally closed, and the water intaking valve is kept as that electricity is normally closed, and the emptying magnetic valve is kept as electricity
Normally opened, it is normally opened that first draining valve and second draining valve are kept as electricity.
Beneficial effects of the present invention：Water in water in the air compressor machine, the water in the water inlet pipe and the outlet pipe
Quickly discharge in the presence of the gravity of itself and the pressure of gases at high pressure, it is to avoid because microthermal climate cause the water inlet pipe,
The outlet pipe and the air compressor machine are frozen in, and problem can be solved on source.Meanwhile, the air compressor machine can be according to described
Temperatuer detector detects water temperature, and water purification is drained before freezing point, it is to avoid pipeline freezes, in addition the first flow switch and institute
Second flow switch is stated when detecting the water inlet pipe and the outlet pipe non-water flow, the air inlet electromagnetic valve is normally closed, no longer past
It is vented in the water inlet pipe and the outlet pipe, effectively energy-conservation.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the overall structure diagram of one embodiment of the present of invention.
Wherein：Master controller 11, compression main frame 12, water inlet pipe 13, outlet pipe 14, cooling tower 15, super charge pipe 16,
Secondary cylinder 17, the first escape pipe 18, air intake duct 121, compressed gas efferent duct 122, water intaking valve 131, the first branch drain
132, the second escape pipe 133, the first draining valve 134, temperatuer detector 135, first flow switch 136, the second branch drain
141, the second draining valve 142, check valve 143, second flow switch 144, air inlet electromagnetic valve 161, pressure-reducing valve 162 is vented electromagnetism
Valve 181, blow-off pipe 19, the 3rd escape pipe 191, cesspool 192.
Embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by embodiment.
As shown in figure 1, the cooling water circulating device for air compressor machine, including：Water inlet pipe 13, outlet pipe 14, cooling tower 15,
Super charge pipe 16, secondary cylinder 17, the first escape pipe 18 and master controller 11；
Cooling water by the water inlet pipe 13 enter the cooling water circulating device, by the outlet pipe 14 discharge after enter institute
State cooling tower 15；
Water intaking valve 131 and temperatuer detector 135 are installed on the water inlet pipe 13；
The input of the super charge pipe 16 is communicated in the compressed gas efferent duct 122 of the air compressor machine, it is described be pressurized into
Tracheae 16 is provided with air inlet electromagnetic valve 161 and pressure-reducing valve 162, and the output end of the super charge pipe 16 is communicated in two grades of gas
The input of cylinder 17；
The output end of the secondary cylinder 17 is communicated in the input of first escape pipe 18, first escape pipe 18
Emptying magnetic valve 181 is installed, the output end of first escape pipe 18 is communicated in the outlet pipe 14；
The master controller 11 is programmable logic controller (PLC)；The air inlet electromagnetic valve 161, the temperatuer detector
135th, the water intaking valve 131 and emptying magnetic valve 181 are controlled by the master controller 11.
The water in water and the outlet pipe 14 in the air compressor machine itself gravity and gases at high pressure pressure work
With lower quick discharge, it is to avoid inside the air compressor machine and the water inlet pipe 13 and the water of the outlet pipe 14 and be frozen in, can
Solve problem on source, and the outlet pipe 14 water in the presence of the gases at high pressure of the secondary cylinder 17 faster
Discharge, and drainage procedure is more clean thorough.The gas pressure about 4Mpa exported in the compressed gas efferent duct 122, because
Its pressure is higher, after the decompression of the pressure-reducing valve 162, would not damage the air inlet electromagnetic valve because gas pressure is high
161 and the secondary cylinder 17.When the master controller 11 detects the stopping signal of the air compressor machine, and the temperature
When the current water temperature that degree detection meter 135 detects the water inlet pipe 13 is less than 2 degrees Celsius, the water inlet pipe 13 and outlet pipe 14 are fast
Fast draining, it is to avoid freeze the air compressor machine because there is low temperature.Programmable logic controller (PLC) is easy to use, programming letter
It is single, and feature is strong, and cost performance is higher, and quite reliable, has certain antijamming capability, debugging work load during installation
It is small.Control function, and stable work in work can be realized very well herein, meaningless maintenance is prevented effectively from.
Further, in addition to the first branch drain 132 and the second escape pipe 133；
The input of first branch drain 132, which is communicated on the water inlet pipe 13, first branch drain 132, pacifies
Equipped with the first draining valve 134, the output end of first branch drain 132 is communicated in the cooling tower 15；
The input of second escape pipe 133 is communicated in the output end of the secondary cylinder 17, second escape pipe
133 output end is communicated in the water inlet pipe 13；
The junction of the input of first branch drain 132 and the water inlet pipe 13 is first node, described second
The junction of the output end of escape pipe 133 and the water inlet pipe 13 is Section Point；The temperatuer detector 135 and the water inlet
Valve 131 is arranged between the cooling tower 15 and the first node；
First draining valve 134 is controlled by the master controller 11.
In order to when the air compressor machine is shut down, it is to avoid the water in the water of water inlet pipe 13, the water inlet pipe 13 is in high pressure
Water purification is drained in the presence of gas rapidly, it is to avoid the water inlet pipe 13 is frozen because of water.When the air compressor machine starts,
First draining valve 134 is normally closed, it is to avoid cooling water is back among the cooling tower 15.
Further, in addition to the second branch drain 141；The input connection of second branch drain 141 is described
Outlet pipe 14,；Second branch drain 141 is provided with the second draining valve 142, the output end of second branch drain 141
Connect the cooling tower 15；
Check valve 143 is installed on the outlet pipe 14；Second draining valve 142 is controlled by the master controller 11
System.
The check valve 143 of setting is in order that the cooling water obtained in the cooling tower 15 can not flow back to the cooling water and follow
Among loop device, so as to prevent the possibility that cooling water backflow is freezed.In addition, cooling water is except can be from the row of outlet pipe 14
Drainage speed, and second branch drain 141 can also be accelerated outside water from the draining of the second branch drain 142
It can be used as standby outlet pipe.
Further, the junction of the output end of first escape pipe 18 and the outlet pipe 13 is the 3rd node,
The junction of the output end of second branch drain 141 and the outlet pipe 14 is fourth node；The check valve 143 is set
Between the cooling tower 15 and the fourth node；First flow switch 136 is installed on the water inlet pipe 13；The water outlet
Second flow switch 144 is installed on pipe 14；The first flow switch 136 is arranged at institute with second flow switch 144
State between Section Point and the 3rd node；
The first flow switch 136 is controlled with second flow switch 144 by the master controller 11.
When the water inlet pipe 13 is intake, cooling water is first passed through after the first node by Section Point flow direction compression main frame
12；During 14 draining of outlet pipe, cooling water flows to cooling tower 15 after first passing through the 3rd node by fourth node；
When first flow switch 136 can't detect current with second flow switch 144, institute is at this moment determined
The water discharge for stating water inlet pipe 13 and the outlet pipe 14 is clean, and then controls the air inlet electromagnetic valve 161 to be powered normally closed, high pressure gas
Body is not then flowed on the water inlet pipe 13 and the outlet pipe 14, so as to effectively save.
Further, in addition to the escape pipe 191 of blow-off pipe 19 and the 3rd；
The input of the blow-off pipe 19 is communicated in the compression sewage draining exit of main frame 12, and the output end of the blow-off pipe 19 connects
Logical cesspool 192；
The input of 3rd escape pipe 191 is communicated in the output end of the secondary cylinder 17, the 3rd escape pipe
191 output end connects the blow-off pipe 19.
In order to ensure the compression main frame completely with regard to not water in 12, its internal sewage produced passes through the blow-off pipe 19
It is discharged in the cesspool 192, the gases at high pressure of the secondary cylinder 17 deliver to the blow-off pipe through the 3rd escape pipe 191
Among 19, the sewage in the compression main frame 12 can be discharged quickly in the presence of gases at high pressure, described so as to prevent
Frozen inside air compressor machine because depositing sewage, further reduce the risk that the air compressor machine freezes.
Further, the air inlet electromagnetic valve 161, the water intaking valve 131, first draining valve 134 and described
Two draining valves 142 are two-position two-way solenoid valve；The emptying magnetic valve 181 is the electro-magnetic time-delay valve of bi-bit bi-pass.
Two-position two-way solenoid valve reliable in quality, stable work in work, and also it is quite easy, it can realize very well simple logical
It is disconnected to require.Moreover, the emptying magnetic valve 181 is set to the electro-magnetic time-delay valve of bi-bit bi-pass, it is in order that obtaining the air compressor machine
Ensure that the air in the secondary cylinder 17 can be discharged in starting up, so as to be deposited when facilitating the air compressor machine to shut down
The compressed gas of high pressure.
Further, using the air compressor machine of the cooling water circulating device for air compressor machine, the air compressor machine includes
Compress main frame 12 and air delivering pipeline；
The air delivering pipeline is used to transmit gas；The air delivering pipeline includes air intake duct 121 and compressed gas efferent duct
122；The air intake duct 121, which is used to air being input into the compression main frame 12, to be compressed；The compression main frame 12 is used
In compressed air；The compressed gas efferent duct 122 is used to transmit the gas after compression main frame 12 compresses；The cooling water circulation dress
Put for cooling down the compressor main body.
Further, using the control method of the cooling water circulating device for air compressor machine, comprise the following steps：
Step 1, the air compressor machine start, and the master controller 11 detects the enabling signal of the air compressor machine, described
Master controller 11 controls the water intaking valve 131 normally opened；The master controller 11 controls the air inlet electromagnetic valve 161, described
First draining valve 134 and second draining valve 142 keep normally closed；The master controller 11 controls the emptying magnetic valve
181 obtain electric timing closing；
Step 2, the inspiration air of the air intake duct 121 deliver to the compression main frame 12, and the main frame 12 that compresses is by sky
Gas is compressed and from the output high-pressure gas of compressed gas efferent duct 122；Cooling water in the cooling tower 15 from it is described enter
Water pipe 131 flows into the air compressor machine through the temperatuer detector 135, the water intaking valve 131, first flow switch 136, after
The cooling tower 15 is back to from the outlet pipe 14 through second draining valve 144 and the check valve 143；
Step 3, the air compressor machine are shut down, and the master controller 11 detects the stopping signal of the air compressor machine, and institute
State temperatuer detector 135 detect the water inlet pipe 135 current water temperature be less than 2 degrees Celsius when, the master controller 11 is controlled
Make the water intaking valve 131 and obtain electric normally closed；The master controller 11 controls first draining valve 134, second draining valve
142nd, the emptying magnetic valve 181 and the air inlet electromagnetic valve 161 it is electric normally opened, a part of gases at high pressure are from the super charge
Pipe 16 enters the secondary cylinder 17 through the pressure-reducing valve 162 and the air inlet electromagnetic valve 161；
Step 4, the gases at high pressure of the secondary cylinder 181 are through first escape pipe 18, the and of the second escape pipe 133
3rd escape pipe 191 is flowed among the outlet pipe 14, the water inlet pipe 13 and the blow-off pipe 19 respectively；The water inlet
Water in pipe 13 is back to the cooling tower 15, the water outlet from first branch drain 132 through first draining valve 134
A water part in pipe 14 is passed straight back to the cooling tower 15, and another part is from second branch drain 141 through described
Two draining valves 142 are discharged to cooling tower 15, and the sewage of the compression main frame 12 is discharged to the cesspool 192 from the blow-off pipe 19
In；
Step 5, when the first flow switch 136 and the second flow switch 144 can't detect current when, it is described
It is electric normally closed that master controller 11 controls the air inlet electromagnetic valve 161 to obtain, and the water intaking valve 131 is kept as electric normally closed, the emptying
Magnetic valve 181 is kept as that electricity is normally opened, and it is normally opened that first draining valve 134 and second draining valve 142 are kept as electricity.
Above content is only presently preferred embodiments of the present invention, for one of ordinary skill in the art, according to the present invention's
Thought, will change in specific embodiments and applications, and this specification content should not be construed as to the present invention
Limitation.
Claims (8)
1. the cooling water circulating device for air compressor machine, it is characterised in that including：Water inlet pipe, outlet pipe, cooling tower, be pressurized into
Tracheae, secondary cylinder, the first escape pipe and master controller；
Cooling water enters the cooling water circulating device by the water inlet pipe, enters the cooling after outlet pipe discharge
Tower；
Water intaking valve and temperatuer detector are installed on the water inlet pipe；
The input of the super charge pipe is communicated in the compressed gas efferent duct of the air compressor machine, and the super charge pipe is provided with
Air inlet electromagnetic valve and pressure-reducing valve, the output end of the super charge pipe are communicated in the input of the secondary cylinder；
The output end of the secondary cylinder is communicated in the input of first escape pipe, and first escape pipe is provided with emptying
Magnetic valve, the output end of first escape pipe is communicated in the outlet pipe；
The master controller is programmable logic controller (PLC)；The air inlet electromagnetic valve, the temperatuer detector, the water intaking valve
Controlled with emptying magnetic valve by the master controller.
2. the cooling water circulating device according to claim 1 for air compressor machine, it is characterised in that：Also include the first draining
Branch pipe and the second escape pipe；
The input of first branch drain is communicated on the water inlet pipe, first branch drain and is provided with the first draining
Valve, the output end of first branch drain is communicated in the cooling tower；
The input of second escape pipe is communicated in the output end of the secondary cylinder, and the output end of second escape pipe connects
Pass through the water inlet pipe；
The input of first branch drain and the junction of the water inlet pipe are first node, second escape pipe it is defeated
The junction for going out end and the water inlet pipe is Section Point；The temperatuer detector and the water intaking valve are arranged at the cooling tower
Between the first node；
First draining valve is controlled by the master controller.
3. the cooling water circulating device according to claim 2 for air compressor machine, it is characterised in that：Also include the second draining
Branch pipe；The input of second branch drain connects the outlet pipe,；Second branch drain is provided with the second draining
Valve, the output end of second branch drain connects the cooling tower；
Check valve is installed on the outlet pipe；Second draining valve is controlled by the master controller.
4. the cooling water circulating device according to claim 3 for air compressor machine, it is characterised in that：First escape pipe
The junction of output end and the outlet pipe be the 3rd node, output end and the outlet pipe of second branch drain
Junction is fourth node；The check valve is arranged between the cooling tower and the fourth node；Pacify on the water inlet pipe
Equipped with first flow switch；Second flow switch is installed on the outlet pipe；The first flow switch and the second
Amount switch is arranged between the Section Point and the 3rd node；
The first flow switch is controlled with second flow switch by the master controller.
5. the cooling water circulating device according to claim 4 for air compressor machine, it is characterised in that：Also include blow-off pipe and
3rd escape pipe；
The input of the blow-off pipe is communicated in the compression main frame sewage draining exit, the output end connection cesspool of the blow-off pipe；
The input of 3rd escape pipe is communicated in the output end of the secondary cylinder, and the output end of the 3rd escape pipe connects
Lead to the blow-off pipe.
6. the cooling water circulating device according to claim 5 for air compressor machine, it is characterised in that：The air inlet electromagnetism
Valve, the water intaking valve, first draining valve and second draining valve are two-position two-way solenoid valve；The emptying magnetic valve is
The electro-magnetic time-delay valve of bi-bit bi-pass.
7. it is used for the air compressor machine of the cooling water circulating device of air compressor machine as claimed in claim 6, it is characterised in that：The pneumatics
Machine includes compression main frame and air delivering pipeline；
The air delivering pipeline is used to transmit gas；The air delivering pipeline includes air intake duct and compressed gas efferent duct；The sky
Gas air inlet pipe, which is used to air being input into the compression main frame, to be compressed；The compression main frame is used for compressed air；The pressure
Contracting gas efferent duct is used to transmit the gas after compression main frame compression；The cooling water circulating device is used to cool down the compression master
Machine.
8. it is used for the control method of the cooling water circulating device of air compressor machine as claimed in claim 6, it is characterised in that：Including with
Lower step：
Step 1, the air compressor machine start, and the master controller detects the enabling signal of the air compressor machine, the center control
Device processed controls the water intaking valve to maintain a normally open, and controls the air inlet electromagnetic valve, first draining valve and second draining valve
Keep normally closed；The master controller controls the emptying magnetic valve to obtain electric timing closing；
Step 2, the air intake duct inspiration air deliver to the compression main frame, and air is compressed simultaneously by the compression main frame
From the compressed gas efferent duct output high-pressure gas；Cooling water in the cooling tower is from the water inlet pipe through the temperature detection
Meter, the water intaking valve, the first flow switch flow into the air compressor machine, after from the outlet pipe through second draining valve and
The check valve is back to the cooling tower；
Step 3, the air compressor machine are shut down, and the master controller detects the stopping signal of the air compressor machine, and the temperature
When the current water temperature that detection meter detects the water inlet pipe is less than 2 degrees Celsius, the master controller controls the water intaking valve to obtain
Electricity is normally closed, the master controller control first draining valve, second draining valve, the emptying magnetic valve and it is described enter
Pneumoelectric magnet valve obtains electric normally opened, and pressure-reducing valve and the air inlet electromagnetic valve enter described in a part of gases at high pressure from the super charge Guan Jing
Enter the secondary cylinder；
Step 4, the gases at high pressure of the secondary cylinder are through first escape pipe, second escape pipe and the 3rd outlet
Pipe is flowed among the outlet pipe, the water inlet pipe and the blow-off pipe respectively；Water in the water inlet pipe is from the first row
The water part that water branch pipe is back in the cooling tower, the outlet pipe through first draining valve is passed straight back to described cold
But tower, another part is discharged to cooling tower, the sewage of the compression main frame from second branch drain through second draining valve
From the blow-off pipe is discharged to the cesspool；
Step 5, when the first flow switch and the second flow switch can't detect current when, the master controller
Control the air inlet electromagnetic valve to obtain electric normally closed, the water intaking valve be kept as electricity it is normally closed, the emptying magnetic valve be kept as electricity it is normally opened,
It is normally opened that first draining valve and second draining valve are kept as electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710388121.1A CN107084117B (en) | 2017-05-27 | 2017-05-27 | The cooling water circulating device of air compressor machine and the air compressor machine and control method for using it |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710388121.1A CN107084117B (en) | 2017-05-27 | 2017-05-27 | The cooling water circulating device of air compressor machine and the air compressor machine and control method for using it |
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| CN107084117B CN107084117B (en) | 2019-08-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426028A (en) * | 2018-01-30 | 2018-08-21 | 山东中车风电有限公司 | A kind of air to air cooling wind turbine gearbox cooling system and its control method |
| CN108661885A (en) * | 2018-05-09 | 2018-10-16 | 广西防城港核电有限公司 | Reduce the structure and method of air compressor burnout failure occurrence risk |
| CN110792926A (en) * | 2019-10-14 | 2020-02-14 | 深圳市华星光电技术有限公司 | Cooling water control valve device |
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| CN108426028A (en) * | 2018-01-30 | 2018-08-21 | 山东中车风电有限公司 | A kind of air to air cooling wind turbine gearbox cooling system and its control method |
| CN108661885A (en) * | 2018-05-09 | 2018-10-16 | 广西防城港核电有限公司 | Reduce the structure and method of air compressor burnout failure occurrence risk |
| CN108661885B (en) * | 2018-05-09 | 2019-08-30 | 广西防城港核电有限公司 | Reduce the structure and method of air compressor burnout failure occurrence risk |
| CN110792926A (en) * | 2019-10-14 | 2020-02-14 | 深圳市华星光电技术有限公司 | Cooling water control valve device |
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