CN108286518A - A kind of screw air compressor waste heat recycling system and waste heat recycle method - Google Patents
A kind of screw air compressor waste heat recycling system and waste heat recycle method Download PDFInfo
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- CN108286518A CN108286518A CN201810148484.2A CN201810148484A CN108286518A CN 108286518 A CN108286518 A CN 108286518A CN 201810148484 A CN201810148484 A CN 201810148484A CN 108286518 A CN108286518 A CN 108286518A
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- air compressor
- oil
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- liquid case
- fluid
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000002918 waste heat Substances 0.000 title abstract description 23
- 238000004064 recycling Methods 0.000 title abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 244
- 238000009413 insulation Methods 0.000 claims abstract description 26
- 239000003921 oil Substances 0.000 claims description 122
- 238000001816 cooling Methods 0.000 claims description 83
- 239000012530 fluid Substances 0.000 claims description 72
- 239000010687 lubricating oil Substances 0.000 claims description 30
- 230000007613 environmental effect Effects 0.000 claims description 18
- 230000001276 controlling effect Effects 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000001802 infusion Methods 0.000 claims description 6
- 239000004519 grease Substances 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 68
- 238000001914 filtration Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 239000010730 cutting oil Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/026—Lubricant separation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D17/00—Domestic hot-water supply systems
- F24D17/0005—Domestic hot-water supply systems using recuperation of waste heat
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/18—Domestic hot-water supply systems using recuperated or waste heat
Abstract
The present invention relates to screw air compressor technical field, a kind of screw air compressor waste heat recycling system and waste heat recycle method are referred in particular to, the waste heat of screw-rod air compressor is recycled using the screw air compressor afterheat utilizing system；A kind of screw air compressor afterheat utilizing system, including the screw-rod air compressor, air compressor machine heat converter, circulating liquid case and the heat insulation liquid case that are sequentially communicated.The application independently installs air compressor machine heat converter and circulating liquid case additional, the head temperature of screw air compressing host can effectively be controlled in normal working temperature, the waste heat of the recyclable screw air compressing host of air compressor machine heat converter simultaneously, be converted to dormitory and the hot liquid in dining room, it can not only ensure screw air compressing host normal work, the service life for extending the maintenance drain period, extending equipment, reduce maintenance cost, the recovering effect of waste heat is good.
Description
Technical field
The present invention relates to screw air compressor technical field, refer in particular to a kind of screw air compressor waste heat recycling system and
Waste heat recycle method.
Background technology
Air compressor is the basic product of the modernization of industry, often say it is electrical with just have complete pneumatic contain in automation
Justice；And air compressor is just to provide air source power, is the core equipment of pneumatic system, the main body in electromechanical bleed source device,
It is the device that the mechanical energy of former dynamic (being typically motor or diesel engine) is converted into gas pressure energy, is the gas of compressed air
Pressure generating apparatus.
The one kind of helical-lobe compressor as air compressor generates a large amount of heat at work, and the heat is through lubricating oil
Take engine body exterior out of.The lubricating oil temperature of engine body exterior is discharged usually between 80 DEG C to 100 DEG C, in the prior art, usually
Lubricating oil is cooled down by the way of air-cooled, such type of cooling one side cooling effect is poor, on the other hand, will moisten
The heat of lubricating oil is directly lost in air, causes the waste of heat being largely lost with resource.
Invention content
The purpose of the present invention is to solve the shortcomings of the prior art providing a kind of screw air compressor waste heat recycling system
And waste heat recycle method, it can not only ensure that air compressor machine worked normally, but also can efficiently recycle the waste heat of air compressor machine.
To achieve the goals above, the present invention adopts the following technical scheme that：A kind of screw air compressor afterheat utilizing system, packet
Include the screw-rod air compressor being sequentially communicated, air compressor machine heat converter, circulating liquid case and heat insulation liquid case；The air compressor machine heat
Can converter when screw-rod air compressor is operated generated heat sent by way of heat exchange to circulating liquid case to heat
Liquid in circulating liquid case；After the temperature rise to preset temperature of liquid in circulating liquid case, in the circulating liquid case
Liquid send to heat insulation liquid case；
The screw-rod air compressor includes screw air compressing host, gas and oil separating plant and oil gas the cooling dress being sequentially communicated
It sets, the gas and oil separating plant is respectively equipped with that the fluid being connected to air compressor machine heat converter is input into pipeline and gas is input into pipe
Road；The air compressor machine heat converter is respectively arranged with the gas outlet duct being connected to oil gas cooling device and is cooled down with oil gas
The fluid output channel of device connection；The oil gas cooling device is equipped with gas output end and is connected to screw air compressing host
Oil circulation pipeline；The circulating liquid case is equipped with the cycle input duct being connected to respectively with air compressor machine heat converter and sky
The cycle outlet pipe of press heat converter connection and the hot liquid output channel being connected to heat insulation liquid case.
Further, the fluid is input into pipeline and is equipped with the fluid shunt conduit being connected to oil gas cooling device, the oil
Liquid is input into pipeline and is input into solenoid valve equipped with the fluid for entering air compressor machine heat converter for controlling fluid.
Further, the screw air compressing host further includes pneumatics host solenoid valve, intake valve and discharge chambe, the pneumatics
Host solenoid valve is installed in the outside of screw air compressing host, and the intake valve is installed in the inlet end of screw air compressing host.
Further, the screw-rod air compressor further includes thermostat valve, and the thermostat valve is input into electromagnetism for regulating and controlling fluid
The keying of valve.
Further, the circulating liquid case is equipped with temperature monitor, circulating liquid pump and pressurized liquid pump, the temperature
Monitor is set to the inside of circulating liquid case, and the circulating liquid pump is connected to air compressor machine heat converter via cycle outlet pipe
And circulating liquid case, the pressurized liquid pump are connected to circulating liquid case and heat insulation liquid case via hot liquid output channel.
Further, the top of the circulating liquid case is equipped with environmental liquids into liquid line, and the environmental liquids are into liquid
Pipe is installed with environmental liquids solenoid valve, and the circulating liquid case is equipped with fluid level controller.
Further, the oil gas cooling device further includes oil cooling device, air-cooling apparatus, radiator fan and oil cooler
Solenoid valve, oil inlet end and the fluid of the oil cooling device are input into pipeline and are connected to, the oil outlet end and oil circulation of the oil cooling device
Pipeline is connected to；The inlet end of the air-cooling apparatus is input into pipeline with gas and is connected to, and the outlet side of the air-cooling apparatus and use gas are defeated
Outlet is connected to；The oil cooler solenoid valve is installed in the oil inlet end of oil cooling device；The oil cooling device and air-cooling apparatus position
In the same side of radiator fan.
The present invention also provides a kind of residual heat of air compressor recoverying and utilizing methods, using a kind of above-mentioned screw air compressor waste heat profit
With system, the waste heat of screw-rod air compressor is recycled；
Step 1：It is discharged into gas and oil separating plant through the compressed mixed gas of screw air compressing host, respectively obtains high temperature height
The lubricating oil and compressed air of pressure；The lubricating oil and compressed air of high temperature and pressure are input into pipeline by fluid respectively and gas is input into
Pipeline enters air compressor machine thermal energy dress parallel operation；
Step 2：Air compressor machine thermal energy fills parallel operation by separated high temperature grease and high-temperature high-pressure out in gas and oil separating plant
The heat transfer of contracting air to circulating liquid case circulating liquid, to being heated to the liquid in circulating liquid case；
Step 3：Liquid after the heating of circulating liquid case is transported to heat insulation liquid case and carries out heat preservation storage；
Step 4：By the hot liquid in heat insulation liquid case for for users to use；
Step 5：During screw air compressing host load operating, if the liquid level in circulating liquid case reaches highest liquid
Position, fluid temperature reaches setting value or oil temperature reaches setting value, then oil gas cooling device is opened, and allows oil gas cooling device to oil
Liquid is cooled down, and the temperature of fluid is made to reach setting value, to control the head temperature of screw air compressing host.
Further, in the step 1, when screw air compressing host-initiated, circulation cooling oil from gas and oil separating plant into
Enter oil gas cooling device to be cooled down, after 1 minute, gas and oil separating plant fills screw air compressing host load operating with air compressor machine thermal energy
It is connected between parallel operation, after being delayed 10 seconds, gas and oil separating plant is separated with oil gas cooling device, and screw air compressing mian engine changeover arrives
Standby mode.
Further, when screw air compressing host loads, the liquid in circulating liquid case is in circulating liquid case and air compressor machine
It is recycled between thermal energy dress parallel operation, when the fluid temperature in circulating liquid case reaches setting value, and the liquid level in circulating liquid case is low
When preset high liquid level, then environmental liquids fluid infusion body into circulating liquid case, when the liquid level in circulating liquid case reaches
When preset high liquid level, environmental liquids stop fluid infusion body；When the fluid temperature in circulating liquid case reaches setting value, circulating liquid
In liquid input attemperater in case.
Beneficial effects of the present invention：
Install air compressor machine heat converter, circulating liquid case and heat insulation liquid case additional on the basis of screw-rod air compressor, it is empty
The heat of high temperature grease and compressed air is transformed into the liquid in circulating liquid case, circulating liquid case by press heat converter
In liquid heating after be sent to heat insulation liquid case, can effectively control the head temperature of screw air compressing host in normal working temperature,
The waste heat of the recyclable screw air compressing host of air compressor machine heat converter simultaneously, is converted to dormitory and the hot liquid in dining room.This
Invention can not only ensure the host normal work of screw air compressing, the service life for extending the maintenance drain period, extending equipment, drop
Low-maintenance cost, and the recovering effect of waste heat is good, using waste-heat life liquid so that enterprise staff or dining room make
With to reduce the electric cost expenditure of enterprise.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Reference numeral：
1- screw-rod air compressors；11- screw air compressing hosts；111- intake valves；112- discharge chambes；113- pneumatics host electromagnetism
Valve；12- gas and oil separating plants；121- fluid is input into solenoid valve；13- oil gas cooling devices；131- oil cooling devices；132- air cooling dresses
It sets；133- radiator fans；134- oil circulation pipelines；135- oil cooler solenoid valves；14- air filtration units；15- temperature controls
Valve；16- gas output ends；17- gas-liquid separators；2- air compressor machine thermal energy fills parallel operation；21- fluid is input into pipeline；211- oil
Liquid shunt conduit；22- gases are input into pipeline；23- gas outlet ducts；24- fluid output channels；3- circulating liquid casees；31- temperature
Spend monitor；32- circulating liquids pump；33- pressurized liquids pump；34- recycles input duct；35- recycles outlet pipe；36- hydrothermal solutions
Body output channel；37- environmental liquids are into liquid line；38- environmental liquids solenoid valves；39- fluid level controllers；4- heat insulation liquid casees.
Specific implementation mode
For the ease of the understanding of those skilled in the art, the present invention is made further with reference to embodiment and attached drawing
Bright, the content that embodiment refers to not is limitation of the invention.The present invention is described in detail below in conjunction with attached drawing.
Refering to Figure 1, a kind of screw air compressor afterheat utilizing system provided by the invention, more than a kind of screw air compressor
Heat utilization system, including be sequentially communicated screw-rod air compressor 1, air compressor machine heat converter 2, circulating liquid case 3 and heat preservation liquid
Body case 4；The air compressor machine heat converter 2 when screw-rod air compressor 1 is operated generated heat by way of heat exchange
It send to circulating liquid case 3 with the liquid in heat cycles fluid box 3；The temperature rise of liquid in circulating liquid case 3 is to default
After temperature, the liquid in the circulating liquid case 3 is sent to heat insulation liquid case 4；
The screw-rod air compressor 1 is cold including screw air compressing host 11, gas and oil separating plant 12 and the oil gas being sequentially communicated
But device 13, the gas and oil separating plant 12 be respectively equipped with the fluid being connected to air compressor machine heat converter 2 be input into pipeline 21 and
Gas is input into pipeline 22；The air compressor machine heat converter 2 is respectively arranged with the gas output being connected to oil gas cooling device 13
Pipeline 23 and the fluid output channel 24 being connected to oil gas cooling device 13；The oil gas cooling device 13, which is equipped with, uses gas output end
16 and the oil circulation pipeline 134 that is connected to screw air compressing host 11；The circulating liquid case 3 is equipped with hot with air compressor machine respectively
Can the cycle input duct 34 being connected to of converter 2, the cycle outlet pipe 35 that is connected to air compressor machine heat converter 2 and with guarantor
The hot liquid output channel 36 that geothermal liquid case 4 is connected to.
In practical applications, gas and oil separating plant 12, institute are imported after the screw air compressing host 11 compresses mixed gas
Gas and oil separating plant 12 is stated for detaching lubricating oil and compressed air in mixed gas；Air compressor machine heat converter 2 uses plate
Formula heat exchanger；The air compressor machine heat converter 2 follows after respectively importing the lubricating oil and the heat of compressed air with described
Liquid heat exchange in ring fluid box 4 imports heat insulation liquid case 4 after the liquid heating in the circulating liquid case 4 and is used for employee.
The lubricating oil and compressed air enter back into oil gas cooling device 13, lubricating oil warp after the cooling of air compressor machine heat converter 2
It crosses after oil gas cooling device 13 cools down and returns to 11 recycling of screw air compressing host；The compressed air passes through oil gas cooling device
User terminal is transported to after 13 coolings to use for enterprise.The heat insulation liquid case crosses liter for keeping the temperature and storing circulating liquid case back warp
The liquid of temperature.
Install air compressor machine heat converter 2, circulating liquid case 3 and heat insulation liquid case additional on the basis of screw-rod air compressor 1
4, the heat of high temperature grease and compressed air is transformed into the liquid in circulating liquid case 3 by air compressor machine heat converter 2, cycle
It is sent to heat insulation liquid case 4, and the lubrication after 2 heat exchange of air compressor machine heat converter after liquid heating in fluid box 3
Oil and the heat of compressed air effectively control screw air compressing host less than the temperature that the head of screw air compressing host 11 works normally
11 head temperature is in normal working temperature；Liquid in circulating liquid case 3 after 2 heat exchange of air compressor machine heat converter,
Be converted to the hot water used for dormitory and dining room.The present invention can not only ensure the normal work of screw air compressing host 11, prolong
The long maintenance drain period, reduces maintenance cost at the service life for extending equipment, and the recovering effect of waste heat is good, utilizes waste heat
Life liquid is heated so that enterprise staff or dining room use, to reduce the electric cost expenditure of enterprise.
Refering to Figure 1, in the present embodiment, the fluid is input into pipeline 21 and is equipped with to be connected to oil gas cooling device 13
Fluid shunt conduit 211, the fluid are input into pipeline 21 and are equipped with the fluid for entering air compressor machine heat converter 2 for controlling fluid
It is input into solenoid valve 121.Specifically, the fluid is input into pipeline 21 for the lubricating oil of the gas and oil separating plant 12 to be transported to
Air compressor machine heat converter 2 exchanges heat, and the lubricating oil after the completion of exchanging heat is exported via fluid output channel 24；Moisten in order to prevent
Lubricating oil is low temperature emulsified, and system is protected equipped with oil temperature, i.e., when lubricating oil is less than 60 degree, air compressor machine heat converter 2 stops recycling profit
The heat of lubricating oil, the fluid are input into solenoid valve 121 and control lubricating oil stopping into the air compressor machine heat converter 2, lubrication
Oil is directly entered fluid shunt conduit 211 and arrives at oil gas cooling device 13, is cooled down in oil gas cooling device 13.
Refering to Figure 1, in the present embodiment, the screw-rod air compressor 1 further includes air filtration unit 14, the sky
The outlet side of gas filter 14 is connected to the inlet end of the screw air compressing host 11, and the air filtration unit 14 is screw rod
Pneumatics host 11 provides the air Jing Guo filtering.Specifically, the air filtration unit 14 by air dust or impurity filter
Screw air compressing host 11 is transported to after removing, preventing dust or impurity in air from entering in screw air compressing host 11 causes screw rod empty
Host 11 is pressed to damage.
Refering to Figure 1, in the present embodiment, the screw air compressing host 11 further include pneumatics host solenoid valve 113, into
Air valve 111 and discharge chambe 112, the pneumatics host solenoid valve 113 are installed in the outside of screw air compressing host 11, the intake valve
111 are installed in the inlet end of screw air compressing host 11.Specifically, the pneumatics host solenoid valve 113 is for controlling screw air compressing
Host 11 starts；The intake valve 111 is carried out for the air in air filtration unit 14 to be pushed to screw air compressing host 11
Compression.
Refering to Figure 1, in the present embodiment, the screw-rod air compressor 1 further includes thermostat valve 15, the thermostat valve 15
The keying of solenoid valve 121 is input into for regulating and controlling fluid.Specifically, the thermostat valve 15 is for controlling the screw air compressing host 11
Temperature, ensure that the screw air compressing host 11 is located in normal operating temperature range, and prevent lubricating oil low temperature emulsified,
When the temperature of lubricating oil is less than 60 degree, thermostat valve 15 controls fluid and is input into the closing of solenoid valve 121, and lubricating oil is shunted via fluid
Pipeline 211 arrives at oil gas cooling device 13 and is cooled down, and when lubricating oil temperature reaches 60 degree or more, thermostat valve 15 controls fluid
It is input into the unlatching of solenoid valve 121, lubricating oil enters the heat exchange of air compressor machine heat converter 2.
Refering to Figure 1, in the present embodiment, the circulating liquid case 3 is equipped with temperature monitor 31, circulating liquid pump 32
With pressurized liquid pump 33, the temperature monitor 31 is set to the inside of circulating liquid case 3, and the circulating liquid pump 32 is via cycle
Outlet pipe 35 is connected to air compressor machine heat converter 2 and circulating liquid case 3, and the pressurized liquid pump 33 is via hot liquid efferent duct
Road 36 is connected to circulating liquid case 3 and heat insulation liquid case 4.Specifically, the temperature monitor 31 is for monitoring the circulating liquid
The temperature of the liquid of case 3 controls 32 operation of circulating liquid pump, circulation fluid by monitoring 3 temperature of circulating liquid case
When body 32 operation of pump, air compressor machine heat converter 2 is starting state.The pressurized liquid pump 33 is used for the heat of circulating liquid case
Liquid is transported to heat insulation liquid case 4 by hot liquid output channel 36；The hot liquid output channel 36 is that heat preservation hot liquid is defeated
Go out pipeline, hot liquid is made to keep temperature not decline during transport.
Refering to Figure 1, the top of the circulating liquid case 3 is equipped with environmental liquids into liquid line 37, external world's liquid
Body is installed with environmental liquids solenoid valve 38 into liquid line 37, and the circulating liquid case 3 is equipped with fluid level controller 39.Specifically, institute
Liquid level of the fluid level controller 39 for measuring the circulating liquid case 3 is stated, then according to Liquid level environmental liquids solenoid valve 38
Startup, to the amount of liquid in control loop fluid box 3.
Refering to Figure 1, in the present embodiment, the oil gas cooling device 13 further includes oil cooling device 131, air-cooling apparatus
132, radiator fan 133 and oil cooler solenoid valve 135, oil inlet end and the fluid of the oil cooling device 131 are input into pipeline 21
Connection, the oil outlet end of the oil cooling device 131 are connected to 134 with oil circulation pipeline；The inlet end and gas of the air-cooling apparatus 132
Body is input into pipeline connection 22, and the outlet side of the air-cooling apparatus 132 is connected to with gas output end 16；The oil cooler electromagnetism
Valve 135 is installed in the oil inlet end of oil cooling device 131；The oil cooling device 131 and air-cooling apparatus 132 are located at radiator fan 133
The same side.Specifically, the oil cooler solenoid valve 135 controls the startup of the oil cooling device 131, the oil cooling device
When 131 startup, lubricating oil, which can pass through after oil cooling device 131 cools down, returns to screw air compressing host 11, and the oil cooling device 131 is closed
When, lubricating oil directly returns to screw air compressing host 11 after the air compressor machine heat converter 2 cooling.The oil cooling device 131
For cutting oil；The air-cooling apparatus 132 is for cooling down compressed air；The radiator fan 133 be used for lubricating oil and
The further cooling of compressed air.
The present invention also provides a kind of residual heat of air compressor recoverying and utilizing methods, using a kind of above-mentioned screw air compressor waste heat profit
With system, the waste heat of screw-rod air compressor is recycled；
Step 1：It is discharged into gas and oil separating plant 12 through 11 compressed mixed gas of screw air compressing host, respectively obtains height
The lubricating oil and compressed air of warm high pressure；It is gentle that the lubricating oil and compressed air of high temperature and pressure are input into pipeline 21 by fluid respectively
Body is input into pipeline 22 and enters air compressor machine thermal energy dress parallel operation 2；
Step 2：Air compressor machine thermal energy fills parallel operation 2 by separated high temperature grease and height out in gas and oil separating plant 12
The heat transfer of warm compressed air to circulating liquid case 3 circulating liquid, to adding to the liquid in circulating liquid case 3
Heat；
Step 3：Liquid after the heating of circulating liquid case 3 is transported to heat insulation liquid case 4 and carries out heat preservation storage；
Step 4：By the hot liquid in heat insulation liquid case 4 for for users to use；
Step 5：During screw air compressing 11 load operating of host, if the liquid level in circulating liquid case 3 reaches highest
Liquid level, fluid temperature reach setting value or oil temperature reaches setting value, then oil gas cooling device 13 is opened, and allows oil gas cooling device
13 pairs of fluid cool down, and the temperature of fluid is made to reach setting value, to control the head temperature of screw air compressing master 11.Specifically,
The air compressor machine thermal energy dress parallel operation 2 is plate heat exchanger, can be effectively by the heat of the lubricating oil of high temperature and pressure and compressed air
Amount imports the liquid in circulating liquid case 3, and the liquid in circulating liquid case 3 is made to heat up.
Refering to Figure 1, in the present embodiment, in the step 1, when screw air compressing host 11 starts, circulating cooling
Oil enters oil gas cooling device 13 from gas and oil separating plant 12 and is cooled down, and 11 load operating of screw air compressing host is after 1 minute, oil
Air separation 12 is connected between filling parallel operation 2 with air compressor machine thermal energy, and after being delayed 10 seconds, gas and oil separating plant 12 is filled with oil gas cooling
Set 13 it is separated, screw air compressing host 11 is switched to standby mode.Specifically, oil gas cooling device 13 and screw air compressing host
11 keying is controlled by pneumatics host solenoid valve 113, is connected between the gas and oil separating plant 12 and air compressor machine thermal energy dress parallel operation 2
After logical, lubricating oil is no longer pass through oil gas cooling device 13, keeps system more intelligent, power cost saving.
Refering to Figure 1, in the present embodiment, when screw air compressing host 11 loads, the liquid in circulating liquid case 3 exists
It is recycled between circulating liquid case 3 and air compressor machine thermal energy dress parallel operation 2, when the fluid temperature in circulating liquid case 3 reaches setting value, and
When liquid level in circulating liquid case 3 is less than preset high liquid level, then environmental liquids fluid infusion body into circulating liquid case 3, works as cycle
When liquid level in fluid box 3 reaches preset high liquid level, environmental liquids stop fluid infusion body；Liquid in circulating liquid case 3
Temperature reaches setting value, in the liquid input attemperater 4 in circulating liquid case 3.Specifically, in the circulating liquid case 3
Equipped with temperature monitor 31 and fluid level controller 39, the temperature monitor 31 is used to measure the temperature of the water in circulating liquid case
Degree, when the temperature of water reaches setting value, the hot liquid in circulating liquid case 3 is sent into heat insulation liquid case 4 and is stored, correspondingly, when
When fluid level controller 39 detects that the liquid level in circulating liquid case 3 is less than setting value, the startup of environmental liquids solenoid valve 38 will be extraneous
Liquid inputs in circulating liquid case 3.
The above is only present pre-ferred embodiments, is not intended to limit the present invention in any form, although
The present invention is disclosed as above with preferred embodiment, and however, it is not intended to limit the invention, any person skilled in the art,
It does not depart within the scope of technical solution of the present invention, when the technology contents using the disclosure above make a little change or are modified to equivalent change
The equivalent embodiment of change, as long as being without departing from technical solution of the present invention content, technology refers to above example according to the present invention
Made by any simple modification, equivalent change and modification, belong in the range of technical solution of the present invention.
Claims (10)
1. a kind of screw air compressor afterheat utilizing system, it is characterised in that：Including screw-rod air compressor (1), the sky being sequentially communicated
Press heat converter (2), circulating liquid case (3) and heat insulation liquid case (4)；The air compressor machine heat converter (2) is by screw rod
Generated heat is sent to circulating liquid case (3) by way of heat exchange with heat cycles liquid when formula air compressor machine (1) operating
Liquid in case (3)；After the temperature rise to preset temperature of liquid in circulating liquid case (3), in the circulating liquid case (3)
Liquid send in heat insulation liquid case (4)；
The screw-rod air compressor (1) includes the screw air compressing host (11), gas and oil separating plant (12) and oil gas being sequentially communicated
Cooling device (13), the gas and oil separating plant (12) are respectively equipped with the fluid being connected to air compressor machine heat converter (2) and are input into
Pipeline (21) and gas are input into pipeline (22)；The air compressor machine heat converter (2) is respectively arranged with and oil gas cooling device
(13) gas outlet duct (23) being connected to and the fluid output channel (24) being connected to oil gas cooling device (13)；The oil gas
Cooling device (13) is equipped with gas output end (16) and the oil circulation pipeline (134) being connected to screw air compressing host (11)；
The circulating liquid case (3) is equipped with the cycle input duct (34) being connected to respectively with air compressor machine heat converter (2) and air compressor machine
The cycle outlet pipe (35) of heat converter (2) connection and the hot liquid output channel being connected to heat insulation liquid case (4)
(36)。
2. a kind of screw air compressor afterheat utilizing system according to claim 1, it is characterised in that：The fluid is input into pipe
Road (21) is equipped with the fluid shunt conduit (211) being connected to oil gas cooling device (13), and the fluid is input into pipeline (21) and is equipped with
The fluid for entering air compressor machine heat converter (2) for controlling fluid is input into solenoid valve (121).
3. a kind of screw air compressor afterheat utilizing system according to claim 1, it is characterised in that：The screw air compressing master
Machine (11) further includes pneumatics host solenoid valve (113), intake valve (111) and discharge chambe (112), the pneumatics host solenoid valve
(113) it is installed in the outside of screw air compressing host (11), the intake valve (111) is installed in the air inlet of screw air compressing host (11)
End.
4. a kind of screw air compressor afterheat utilizing system described in claim 2, it is characterised in that：The screw-rod air compressor
(1) further include thermostat valve (15), the thermostat valve (15) is input into the keying of solenoid valve (121) for regulating and controlling fluid.
5. a kind of screw air compressor afterheat utilizing system according to claim 1, it is characterised in that：The circulating liquid case
(3) it is equipped with temperature monitor (31), circulating liquid pump (32) and pressurized liquid pump (33), the temperature monitor (31) is set to and follows
The inside of ring fluid box (3), the circulating liquid pump (32) are connected to air compressor machine heat converter via cycle outlet pipe (35)
(2) and circulating liquid case (3), the pressurized liquid pump (33) are connected to circulating liquid case (3) via hot liquid output channel (36)
And heat insulation liquid case (4).
6. a kind of screw air compressor afterheat utilizing system described in claim 1, it is characterised in that：The circulating liquid case (3)
Top be equipped with environmental liquids into liquid line (37), the environmental liquids are installed with environmental liquids solenoid valve into liquid line (37)
(38), the circulating liquid case (3) is equipped with fluid level controller (39).
7. a kind of screw air compressor afterheat utilizing system according to claim 1, it is characterised in that：The oil gas cooling dress
It further includes oil cooling device (131), air-cooling apparatus (132), radiator fan (133) and oil cooler solenoid valve (135) to set (13),
The oil inlet end of the oil cooling device (131) is input into pipeline (21) with fluid and is connected to, oil outlet end and the oil of the oil cooling device (131)
Liquid circulating line is connected to (134)；The inlet end of the air-cooling apparatus (132) is input into pipeline with gas and is connected to (22), the air cooling
The outlet side of device (132) is connected to with gas output end (16)；The oil cooler solenoid valve (135) is installed in oil cooling device
(131) oil inlet end；The oil cooling device (131) and air-cooling apparatus (132) are located at the same side of radiator fan (133).
8. a kind of residual heat of air compressor recoverying and utilizing method, it is characterised in that：It is empty including screw rod described in claim 1-7 any one
Press afterheat utilizing system；
Step 1：It is discharged into gas and oil separating plant (12) through screw air compressing host (11) compressed mixed gas, respectively obtains height
The lubricating oil and compressed air of warm high pressure；The lubricating oil and compressed air of high temperature and pressure respectively by fluid be input into pipeline (21) and
Gas is input into pipeline (22) into air compressor machine thermal energy dress parallel operation (2)；
Step 2：Air compressor machine thermal energy fills parallel operation (2) by separated high temperature grease and height out in gas and oil separating plant (12)
The heat transfer of warm compressed air to circulating liquid case (3) circulating liquid, to in circulating liquid case (3) liquid carry out
Heating；
Step 3：Liquid after circulating liquid case (3) heating is transported to heat insulation liquid case (4) and carries out heat preservation storage；
Step 4：By the hot liquid in heat insulation liquid case (4) for for users to use；
Step 5：During screw air compressing host (11) load operating, if the liquid level in circulating liquid case (3) reaches highest
Liquid level, fluid temperature reach setting value or oil temperature reaches setting value, then oil gas cooling device (13) is opened, and oil gas cooling is allowed to fill
It sets (13) to cool down fluid, the temperature of fluid is made to reach setting value, to control the head temperature of screw air compressing host (11).
9. a kind of residual heat of air compressor recoverying and utilizing method according to claim 8, it is characterised in that：In the step 1
In, screw air compressing host (11) start when, circulation cooling oil from gas and oil separating plant (12) enter oil gas cooling device (13) into
Row cooling, screw air compressing host (11) load operating is after 1 minute, gas and oil separating plant (12) and air compressor machine thermal energy dress parallel operation (2)
Between be connected to, delay 10 seconds after, gas and oil separating plant (12) separated, screw air compressing host with oil gas cooling device (13)
(11) it is switched to standby mode.
10. a kind of residual heat of air compressor recoverying and utilizing method according to claim 8, it is characterised in that：In screw air compressing master
When machine (11) loads, the liquid in circulating liquid case (3) follows between circulating liquid case (3) and air compressor machine thermal energy dress parallel operation (2)
Ring, when the fluid temperature in circulating liquid case (3) reaches setting value, and the liquid level in circulating liquid case (3) is less than preset height
When liquid level, then environmental liquids are to the interior fluid infusion body of circulating liquid case (3), when the liquid level in circulating liquid case (3) reaches default
High liquid level when, environmental liquids stop fluid infusion body；When the fluid temperature in circulating liquid case (3) reaches setting value, circulating liquid
In liquid input attemperater (4) in case (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810148484.2A CN108286518A (en) | 2018-02-13 | 2018-02-13 | A kind of screw air compressor waste heat recycling system and waste heat recycle method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810148484.2A CN108286518A (en) | 2018-02-13 | 2018-02-13 | A kind of screw air compressor waste heat recycling system and waste heat recycle method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108286518A true CN108286518A (en) | 2018-07-17 |
Family
ID=62832728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810148484.2A Pending CN108286518A (en) | 2018-02-13 | 2018-02-13 | A kind of screw air compressor waste heat recycling system and waste heat recycle method |
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| Country | Link |
|---|---|
| CN (1) | CN108286518A (en) |
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| CN112343795A (en) * | 2020-11-12 | 2021-02-09 | 苏州市洋基机电工程有限公司 | Be used for air compressor machine heat recovery and cooling economizer system |
| CN112360745A (en) * | 2020-11-10 | 2021-02-12 | 优利德(江苏)化工有限公司 | Air compressor machine waste heat recovery device suitable for chemical plant |
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