CN106979142A - Heat recovery system - Google Patents
Heat recovery system Download PDFInfo
- Publication number
- CN106979142A CN106979142A CN201610977353.6A CN201610977353A CN106979142A CN 106979142 A CN106979142 A CN 106979142A CN 201610977353 A CN201610977353 A CN 201610977353A CN 106979142 A CN106979142 A CN 106979142A
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- China
- Prior art keywords
- heat
- water
- compressor
- recuperation
- cooler
- Prior art date
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- 238000011084 recovery Methods 0.000 title claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 213
- 238000001816 cooling Methods 0.000 claims abstract description 51
- 238000004519 manufacturing process Methods 0.000 claims abstract description 16
- 239000008400 supply water Substances 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 239000003921 oil Substances 0.000 claims description 166
- 239000010687 lubricating oil Substances 0.000 claims description 48
- 239000000498 cooling water Substances 0.000 claims description 23
- 238000005461 lubrication Methods 0.000 claims description 18
- 230000001050 lubricating effect Effects 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- 230000006835 compression Effects 0.000 description 23
- 238000007906 compression Methods 0.000 description 23
- 238000010586 diagram Methods 0.000 description 11
- 238000000926 separation method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- DNHVXYDGZKWYNU-UHFFFAOYSA-N lead;hydrate Chemical compound O.[Pb] DNHVXYDGZKWYNU-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000008234 soft water Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D11/00—Feed-water supply not provided for in other main groups
-
- 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
- F24D11/00—Central heating systems using heat accumulated in storage masses
- F24D11/002—Central heating systems using heat accumulated in storage masses water heating system
- F24D11/005—Central heating systems using heat accumulated in storage masses water heating system with recuperation of waste heat
-
- 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
- F04B39/02—Lubrication
-
- 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
- F04B39/02—Lubrication
- F04B39/0215—Lubrication characterised by the use of a special lubricant
-
- 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
-
- 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
-
- 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
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
- F22B1/1838—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines the hot gas being under a high pressure, e.g. in chemical installations
-
- 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
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1051—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water
-
- 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
- F24D2200/00—Heat sources or energy sources
- F24D2200/16—Waste heat
-
- 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
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/04—Sensors
- F24D2220/042—Temperature sensors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Compressor (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The present invention relates to a kind of heat recovery system, it is characterised in that possesses：Compressor；Supply gas road, it, which is used to the compressed air from the compressor being sent to compressed air, utilizes machine；First recuperation of heat heat exchanger, it can be heated to water supply using the heat of compressed air located at the road of supplying gas and manufacture warm water；Water route, it makes water supply be passed to the first recuperation of heat heat exchanger；Feed water valve and/or supply-water pump, it is located at the water route；And temperature sensor, it is located at the downstream water route of the first recuperation of heat heat exchanger, aperture to the feed water valve is adjusted or the supply-water pump is carried out convertor controls to adjust flow, and the detection temperature of the temperature sensor is maintained at into design temperature.It can correspond to the use load running of warm water or operated for the warm water for obtaining desired temperature, even if the amount or temperature for the warm water that adjustment is obtained, the system that will not be also impacted to the cooling of compressor can be formed.
Description
The application be Application No. 201110303647.8, the applying date be September in 2011 29 days, it is entitled that " heat is returned
The divisional application of the application of receipts system ".
Technical field
The present invention relates to a kind of heat recovery system for the heat of compression for reclaiming air compressor.
Background technology
Following patent document 1 discloses a kind of heat recovery system, it uses water supply of the boiler to supply tank, realizes to come from and presses
The compressed air of contracting machine or the cooling of lubricating oil, and it is achieved in the heating of the water supply to supply tank.Specifically, through air
Cooler (32) and oil cooler (31) supply water to the supply tank (7) of boiler (2), realize that compression is empty in aerial cooler (32)
The cooling of gas, on the other hand, the cooling of the lubricating oil of compressor (5) is realized in oil cooler (31), in each cooler (31,32)
Water supply to supply tank (7) is heated.
But, the type of cooling of compressor has water-cooled and air-cooled type, in the case of water-cooled, compressor unit (6)
Aerial cooler (32) and oil cooler (31) water is circulated between cooling water cooler as cooling tower,
The water for leading to aerial cooler and oil cooler is cooled and is reused in cooling water cooler, but remembers in patent document 1
In the invention of load, it may be said that be the circulation of the such cooling water of substitution, to manufacture warm water.
Patent document 1：Japanese Unexamined Patent Publication 2010-38385 publications
But, in the invention that the patent document 1 is recorded, aerial cooler and oil cooler only respectively set one.
That is, being the aerial cooler and oil cooler that should possess originally using compressor unit, the construction of recuperation of heat is realized.
Moreover, be according to lead to aerial cooler compressed air temperature or the temperature according to the lubricating oil for leading to oil cooler,
The water of each cooler is led in adjustment, and temperature is maintained to the composition of level of hope.
Therefore, in water cooled compressor, be not make cooling water aerial cooler and oil cooler and cooling tower that
Circulated between the cooling water cooler of sample, moreover, in air-cooled condenser, nor to aerial cooler and oil cooler
Lead to extraneous gas to cool down compressed air or lubricating oil.Therefore, it is not to leave the cooling system both deposited that compressor possesses originally
System.
In addition, the use load (required amount) of warm water obtained from each cooler also can not be corresponded to the pass adjusts water supply
The presence or absence of or output.Even if for example, presence uses warm water completely without using warm water or less, it is desirable to stop the feelings of the manufacture of warm water
Condition, stopping the manufacture of warm water will cause to stop to each cooler cooling water supply, it is impossible to realize compressed air and lubricating oil
Cooling.Therefore, it is impossible to manufacture warm water corresponding to the use load of warm water.
And then, due to adjusting the output to each cooler, compressed air or lubricating oil are maintained into desired temperature, institute
With nor adjusting the water supply to each cooler in order to which desired temperature will be maintained by warm water obtained from each cooler
Whether there is or output.That is, it is impossible to obtain the warm water of desired temperature.
The content of the invention
It can be remained untouched the technical problem to be solved in the present invention is to provide a kind of by the compressor cooling system both deposited
While leaving, the heat recovery system of the heat of compression can be reclaimed.It is further preferred, that offer is a kind of can to correspond to warm water
Operated using load or to obtain the heat recovery system that the warm water of desired temperature is operated.
The present invention proposes that the invention described in technical scheme 1 is a kind of heat recovery system in order to solve the above problems,
Characterized in that, possessing：
First aerial cooler, it cools down the compressed air from compressor；
First oil cooler, it cools down the lubricating oil of the compressor；And
Second oil cooler, it is arranged at as recuperation of heat heat exchanger and leads to sending for first oil cooler
On oil circuit, and water is heated using the heat for the lubricating oil for being sent to first oil cooler.
Invention according to technical scheme 1, in addition to the first aerial cooler and the first oil cooler, is also equipped with
Second oil cooler, can reclaim the heat of compression in the second oil cooler.At this point it is possible to by the first aerial cooler and first
Oil cooler is used as the compressor cooling system both deposited, while reclaiming the heat of compression in the second oil cooler.In addition,
Even if use load corresponding to warm water etc. leads to the presence or absence of the water or amount of the second oil cooler to adjust, it can also be configured to
What the desired cooling not to compressed air or lubricating oil in the first aerial cooler and the first oil cooler was impacted
Structure.
Invention described in technical scheme 2 is in the heat recovery system described in technical scheme 1, it is characterised in that the heat
Recovery system is also equipped with the second aerial cooler in addition to second oil cooler, and second aerial cooler is recuperation of heat
With heat exchanger, it, which is arranged at, leads to the supplying gas on road of first aerial cooler, and using being sent to first air
The heat of the compressed air of cooler come heat water, second aerial cooler and second oil cooler so that water connect
Or parallel connection is configured by way of.
Invention according to technical scheme 2, is also equipped with addition to the first aerial cooler and the first oil cooler
Second aerial cooler and the second oil cooler, can reclaim compression in the second aerial cooler and the second oil cooler
Heat.Now, the first aerial cooler and the first oil cooler can be used as the compressor cooling system both deposited, together
When reclaim the heat of compression in the second aerial cooler and the second oil cooler.Even if in addition, corresponding to the use load of warm water
Lead to the presence or absence of the water or amount of the second aerial cooler and the second oil cooler etc. to adjust, can also be configured to first
The structure that desired cooling in aerial cooler and the first oil cooler not to compressed air or lubricating oil is impacted.
Invention described in technical scheme 3 is in the heat recovery system described in technical scheme 1, it is characterised in that the heat
Recovery system replaces second oil cooler and possesses the second aerial cooler, and second aerial cooler is recuperation of heat heat
Exchanger, it, which is arranged at, leads to the supplying gas on road of first aerial cooler, and using being sent to the first air cooling
The heat of the compressed air of device heats water.
Invention according to technical scheme 3, is also equipped with addition to the first aerial cooler and the first oil cooler
Second aerial cooler, can reclaim the heat of compression in the second aerial cooler.Now, can be by the first aerial cooler and first
Oil cooler is used as the compressor cooling system both deposited, while reclaiming the heat of compression in the second aerial cooler.Separately
Outside, can also even if use load corresponding to warm water etc. leads to the presence or absence of the water or amount of the second aerial cooler to adjust
It is configured to the desired cooling not to compressed air or lubricating oil in the first aerial cooler and the first oil cooler to cause
The structure of influence.
Invention described in technical scheme 4 is its feature in the heat recovery system any one of technical scheme 1~3
It is, according to the use load by the warm water after the recuperation of heat heat exchanger, control is handed over heat the recuperation of heat
The presence or absence of water supply of parallel operation or amount.
Invention according to technical scheme 4, controls to supply water, so as to manufacture by the use load according to warm water
Desired warm water.In addition, supplied water even from the use spatial load forecasting of warm water, can also be reliably real by the first aerial cooler
The cooling of existing compressed air, and the cooling of lubricating oil can be reliably achieved by the first oil cooler.
Invention described in technical scheme 5 is its feature in the heat recovery system any one of technical scheme 1~3
It is, according to the temperature by the warm water after the recuperation of heat heat exchanger, controls to the recuperation of heat heat exchanger
The presence or absence of water supply or amount.
Invention according to technical scheme 5, controls to supply water, so as to manufacture hope by the temperature according to warm water
Warm water.In addition, the temperature control even from warm water supplies water, compression can also be reliably achieved by the first aerial cooler empty
The cooling of gas, and the cooling of lubricating oil can be reliably achieved by the first oil cooler.
Invention described in technical scheme 6 is its feature in the heat recovery system any one of technical scheme 1~3
It is, the compressor is oil lubricating type compressor, the heat recovery system is divided in possessing the compressed air sprayed from compressor
The oil eliminator of lubricating oil is separated out, the compressed air for having separated lubricating oil by the oil eliminator is sent to each air cooling
Device, the lubricating oil from the oil eliminator is sent to each oil cooler.
Invention according to technical scheme 6, even for oil lubricating type compressor, can also be played and technical scheme 1
Same action effect is invented any one of~3.
Invention described in technical scheme 7 is its feature in the heat recovery system any one of technical scheme 1~3
It is, the compressor is the nonlubricated compressor for possessing low section of compressor and high section compressor, from described low section compression
The compressed air of machine is sent to the high section compressor through the first intercooler, is further compressed in the high section compressor
Afterwards, each aerial cooler as aftercooler is sent to, the heat recovery system is also equipped with as recuperation of heat heat
Second intercooler of exchanger, it is arranged at the road of supplying gas for leading to first intercooler from the low section of compressor
On, and heat water using the heat for the compressed air for being sent to first intercooler.
Invention according to technical scheme 7, even for nonlubricated compressor, can also be played and technical scheme 1
Same action effect is invented any one of~3.
Invention described in technical scheme 8 is in the heat recovery system described in technical scheme 7, it is characterised in that described
In recuperation of heat heat exchanger, heat water and produce steam, according to the water level of the recuperation of heat heat exchanger, control is returned to the heat
The presence or absence of water supply of receipts heat exchanger or amount.
Invention according to technical scheme 8, can reclaim the heat of compression of air compressor, obtain steam.
And then, the invention described in technical scheme 9 be in the heat recovery system any one of technical scheme 1~3, its
It is characterised by, the compressor is water lubrication type compressor, replaces the lubricating oil and using lubrication water, be accompanied by this, institute
Stating the first oil cooler turns into the first water cooler of cooling and lubricating water, and on the other hand, second oil cooler turns into profit
The second water as recuperation of heat heat exchanger of water is heated with the heat of water with the lubrication for being sent to first water cooler
Cooler, the separator of separation lubrication water during the heat recovery system possesses the compressed air sprayed from the compressor, no
First aerial cooler is set, and the compressed air from the compressor sprays through the separator.
Invention according to technical scheme 9, even for water lubrication type compressor, can also be played and technical scheme 1
Same action effect is invented any one of~3.
Invention effect
According to the present invention it is possible to realize it is a kind of can the compressor cooling system both deposited is remained untouched leave it is same
When, the heat recovery system of the heat of compression can be reclaimed.In addition, according to embodiment, the use load for being also can correspond to warm water is transported
Turn or operated for the warm water for obtaining desired temperature.Even if furthermore, it is possible to form the amount or temperature of warm water that adjustment is obtained,
Also the system that the cooling of compressor will not be impacted.
Brief description of the drawings
Fig. 1 is the skeleton diagram for the embodiment 1 for representing the heat recovery system of the present invention.
Fig. 2 is the skeleton diagram for the embodiment 2 for representing the heat recovery system of the present invention.
Fig. 3 is the skeleton diagram for the embodiment 3 for representing the heat recovery system of the present invention, is only shown and embodiment 1 or embodiment 2
Different change positions.
Fig. 4 is the skeleton diagram for the embodiment 4 for representing the heat recovery system of the present invention.
In figure
1 heat recovery system
2 compressors
7 oil eliminators
8 first aerial coolers
9 second aerial coolers
10 first oil coolers
11 second oil coolers
12 supply gas road
14 send oil circuit
17 cooling water coolers
18 compressor units
21 level sensors
23 feed water valves
24 temperature sensors
31 low sections of compressors
32 high section compressors
33 first intercoolers
34 second intercoolers
Embodiment
Hereinafter, the specific embodiment of the present invention is described in detail based on accompanying drawing.
【Embodiment 1】
Fig. 1 is the skeleton diagram for the embodiment 1 for representing the heat recovery system of the present invention.
The heat recovery system 1 of the present embodiment is a kind of recovery oil lubricating type (oil feeding type) and water-cooled electric air compresses
The system of the heat of compression of machine.Specifically, be a kind of compressed air or lubricating oil made from compressor 2 with from water softener 3 to
The water supply of the supply tank 5 of boiler 4 carries out indirect heat exchange, thus realize the cooling of compressed air or lubricating oil with to supply tank 5
Water supply heating system.
The heat recovery system 1 of the present embodiment mainly possesses：Suction, compression extraneous gas and the compressor 2 discharged it, drive
The motor 6 of dynamic compressor 2, from the oil eliminator 7 of compressed air separation lubrication oil, the cooling for realizing compressed air it is first empty
The aerial cooler 9 of Gas Cooler 8 and second, realize lubricating oil cooling the first oil cooler 10 and the second oil cooler 11.
Compressor 2 is driven by motor 6, and is sucked, compressed extraneous gas and discharge it.The pressure sprayed from compressor 2
Contracting air is sent to oil eliminator 7, and being separated off for lubricating oil is realized in oil eliminator 7.
In the case of for existing known compressor unit, the compressed air warp of lubricating oil is eliminated in oil eliminator 7
First aerial cooler 8 is sent to compressed air using machine (diagram is omitted)；Under for the case for this embodiment, in oil separation
The compressed air that device 7 eliminates lubricating oil is sent to compressed air utilization through the second aerial cooler 9 and the first aerial cooler 8
Machine.That is, in the present embodiment, is set on the road 12 of supplying gas for leading to the first aerial cooler 8 from oil eliminator 7
Two aerial coolers 9, the compressed air from oil eliminator 7 is sent to through the second aerial cooler 9 and the first aerial cooler 8
Compressed air utilizes machine.Moreover, the first aerial cooler 8 outlet side according to wish be provided with drier 13, compressed air
Moisture is removed by drier 13, and is sent to compressed air and utilizes machine.
On the other hand, in the case of for existing known compressor unit, the lubricating oil of compressor 2 through the first oil cooling but
Device 10 returns to compressor 2；But in case of the present embodiment, the lubricating oil of compressor 2 is through the second oil cooler 11 and the first oil
Cooler 10 returns to compressor 2.That is, in the present embodiment, leading to sending for the first oil cooler 10 from oil eliminator 7
Second oil cooler 11 is set on oil circuit 14, the lubricating oil from oil eliminator 7 through the second oil cooler 11 and the first oil cooling but
Device 10 returns to compressor 2.
In addition, leading to sending oil circuit and from the first oil cooler 10 leading to compression for the second oil cooler 11 from oil eliminator 7
Machine 2 send the oil circuit to be connected by branch path 15.Moreover, sending oil circuit and branch lead to the second oil cooler 11 from oil eliminator 7
The difference unit on road 15 is provided with temperature adjustment three-way valve 16.The temperature adjustment three-way valve 16 is adapted to use wax formula three-way valve, according to from oil separation
The temperature of the lubricating oil of device 7, voluntarily adjusts lubricating oil being sent to each oil cooler 11,10 or without each oil cooler 11,10
And the allocation proportion of compressor 2 is returned to through branch path 15.Thus, it is possible to adjust the lubricating oil for leading to each oil cooler 11,10
Flow, desired temperature is maintained by the lubricating oil in compressor 2.
Hereinafter, each cooler 8~11 is sequentially illustrated.First, the first aerial cooler 8 is compressed air and its cooling water
Indirect heat exchanger.Moreover, the second aerial cooler 9 is compressed air and the indirect heat exchanger of the water supply to supply tank 5.
On the other hand, the first oil cooler 10 is indirect heat exchanger of the lubricating oil with its cooling water of compressor 2.Separately
Outside, the second oil cooler 11 is the lubricating oil and the indirect heat exchanger of the water supply to supply tank 5 of compressor 2.
In the present embodiment, cooling water is led to the first aerial cooler 8 and the first oil cooler 10, the cooling water with
Circulated between cooling water cooler 17 as cooling tower.That is, 17 pairs of cooling water cooler leads to the cooling of the first air
The cooling water of the oil cooler 10 of device 8 and first is cooled down, and cooling water is circulated between cooler 8,10.
Compressor 2, motor 6, oil eliminator 7, the first aerial cooler 8 and the first oil cooler 10 can be such as two points
The diagram surrounded rule like that, is constituted as compressor unit 18.Now, can also be by existing known compressor unit (bag
Include the compressor unit for having set and having deposited) constitute, first can also led to from compressor 2 (more specifically oil eliminator 7)
Second aerial cooler 9 is set on the road 12 of supplying gas of aerial cooler 8, from compressor 2 (more specifically oil eliminator 7)
Lead to sending for the first oil cooler 10 and second oil cooler 11 is set on oil circuit 14, so as to constitute the heat recovery system of the present embodiment
1.In addition it is also possible to also set up drier 13 in compressor unit 18.
Below, the water system for leading to boiler 4 is illustrated.In the present embodiment, the water (soft water) from water softener 3
After the second aerial cooler 9 and the second oil cooler 11, supply tank 5 is ejected into.Then, supply tank 5
Water is suitably supplied to boiler 4 by supply-water pump 19 through check-valves 20.Then, in boiler 4, water is heated, evaporation is produced,
The steam is sent to steam and uses equipment (diagram is omitted).Although moreover, leading to the water supply of supply tank 5 by from water softener 3
Two aerial coolers 9 and the second oil cooler 11 and provide, but on this basis, can also be without the cooler 9,11
And directly supplied water.
In the heat recovery system 1 of the present embodiment, the second aerial cooler 9 and the conduct of the second oil cooler 11 are used for back
Recuperation of heat of the heat of compression to manufacture warm water is received to be worked with heat exchanger.That is, to the water supply of supply tank 5 in the second air
Heat exchange is carried out with compressed air and be heated in cooler 9, and the lubricating oil in the second oil cooler 11 with compressor 2
Carry out heat exchange and be heated, supply tank 5 is supplied to as warm water.
In the heat recovery system 1 of the present embodiment, according to by the second aerial cooler 9 and the second oil cooler 11 it
The use load of warm water afterwards, controls whether that output is supplied water or controlled to the cooler 9,11.In addition, replace or
In addition, according to the temperature by the warm water after the second aerial cooler 9 and the second oil cooler 11, control whether to
The cooler 9,11 supplies water or control output.
More specifically, it is provided with level sensor 21 in supply tank 5.Electricity can be for example used as the level sensor 21
Pole formula water level detector, electrostatic capacity type water level detector or float type water level detector etc..Moreover, according to level sensor
21 detection signal, changes opening and closing or the aperture of the feed water valve 23 set in the water route 22 for leading to supply tank 5.For example, not having
When having the use load or load of warm water few, if the water level in supply tank 5 exceedes upper limit water level, it is as long as closing feed water valve 23
Can, afterwards, if water level decreasing in supply tank 5 is to below lower limit water level, as long as opening feed water valve 23.Or, can also
The aperture of feed water valve 23 is adjusted, so that the water level in supply tank 5 reaches setting water level.
Replace the control of this use load according to warm water, or in addition to this control, can also be according to warm water
Temperature control whether to supply water or control output to supply tank 5.Now, the water route after by two coolers 9,11
Or supply tank 5 sets temperature sensor 24.Moreover, according to the detection signal of temperature sensor 24, supply tank 5 is being led in change
The opening and closing for the feed water valve 23 that water route 22 is set or aperture.For example, being set in order to which the detection temperature of temperature sensor 24 is maintained
Constant temperature degree, as long as the aperture of adjustment feed water valve 23.In addition, in the control period, monitored and supplied water by level sensor 21
Water level in case 5, if more than setting water level, may be controlled to not manufacture warm water, closes feed water valve 23.Even if in this way, stopping
To the water supply of the second aerial cooler 9 and the second oil cooler 11, in the first aerial cooler 8 and the first oil cooler 10
In, compressed air and lubricating oil can be also cooled to and wish degree, this is as hereinbefore.
Moreover, regardless of situation, feed water valve 23 can be arranged at than the second aerial cooler 9 and the second oil cooling
But the two coolers of device 11 are more by outlet side, but in view of putting on the second aerial cooler 9 and the second oil cooler
11 hydraulic pressure or the influence of temperature, preferably like that, feed water valve 23 is arranged at than the second aerial cooler 9 and for example as shown
Two oil cooler 11 the two coolers more lean on inlet side.
As described above, in the heat recovery system 1 of the present embodiment, except the first aerial cooler 8 and the first oil cooling but
Beyond device 10, the second aerial cooler 9 and the second oil cooler 11 are also equipped with.Moreover, even in through the second aerial cooler 9
And second water supply from oil cooler 11 to supply tank 5 be stopped in the state of, can also be in the first aerial cooler 8 and
Desired cooling is carried out in one oil cooler 10.In the case of typical, as long as by the first aerial cooler 8 and the first oil cooling but
Device 10 is used as the compressor cooling system both deposited, while setting the second aerial cooler 9 and the second oil cooler
11.
, can be with the second aerial cooler 9 and the second oil cooler 11 according to the heat recovery system 1 of the present embodiment
The heat of compression is reclaimed to manufacture warm water.Furthermore it is possible to carry out warm water manufacture corresponding to the use load of warm water or carry out desired temperature
Warm water manufacture.Even if leading to the presence or absence of water of the second aerial cooler 9 or the second oil cooler 11 or amount moreover, adjusting,
Can turn into will not be to cold desired by compressed air or lubricating oil in the first aerial cooler 8 and the first oil cooler 10
But the structure impacted.Even if that is, adjustment lead to the presence or absence of water of the second aerial cooler 9 or the second oil cooler 11 or
Amount, can also make compressed air or lubricating oil be reduced to respective mesh in the first aerial cooler 8 or the first oil cooler 10
Mark below temperature.
【Embodiment 2】
Fig. 2 is the skeleton diagram for the embodiment 2 for representing the heat recovery system 1 of the present invention.
Heat recovery system 1 of the heat recovery system 1 of the present embodiment 2 also substantially with the embodiment 1 is same.Therefore, with
Under illustrated centered on both different points, to corresponding position mark same symbol illustrate.
In the embodiment 1, the compressed air from compressor 2 is all sent to the first air through the second aerial cooler 9
Cooler 8, but be configured in the present embodiment 2：The second aerial cooler 9 can be proceeded through or cooled down without the second air
The switching that device 9 is conveyed, or can change by the second aerial cooler 9 or the distribution ratio without the second aerial cooler 9
Example.Therefore, connecting the entrance side and outlet side of the second aerial cooler 9 by branch road 25 of supplying gas, leading to the cooling of the second air
Device 9 supply gas road 12 and the supply gas difference unit on road 25 of branch is provided with three-way valve 26.But it is also possible to replace setting three-way valve 26,
And from the difference unit lead to the second aerial cooler 9 supply gas road 12 or branch supplies gas and sets magnetic valve or electronic on road 25
Valve etc..No matter which kind of situation, according to the present embodiment, the first aerial cooler 8 is being sent to by the compressed air from compressor 2
When, the switching that the second aerial cooler 9 is conveyed or conveyed without the second aerial cooler 9 can be proceeded through, or can adjust
Its whole allocation proportion.
In addition, in the embodiment 1, the lubricating oil of compressor 2 is all sent to the first oil cooling through the second oil cooler 11
But device 10, but be configured in the present embodiment 2：The second oil cooler 11 can be proceeded through or without the second oil cooler 11
The switching of conveying, or can change by the second oil cooler 11 or the allocation proportion without the second oil cooler 11.For
This, the entrance side and outlet side that oil circuit 27 connects the second oil cooler 11 are sent by branch, are leading to sending for the second oil cooler 11
Oil circuit 14 and branch send the difference unit of oil circuit 27 to be provided with three-way valve 28.But it is also possible to replace setting three-way valve 28, and from institute
That states that difference unit leads to the second oil cooler 11 send oil circuit 14 or branch to send on oil circuit 27 setting magnetic valve or motor-driven valve etc..No matter
Which kind of situation, according to the present embodiment, when the lubricating oil of compressor 2 is sent into the first oil cooler 10, can proceed through
The switching that two oil coolers 11 are conveyed or conveyed without the second oil cooler 11, or its allocation proportion can be adjusted.It is other
Constitute and control due to same with the embodiment 1, so omitting the description.
【Embodiment 3】
Fig. 3 is the skeleton diagram for the embodiment 3 for representing the heat recovery system 1 of the present invention, is only represented and embodiment 1 or embodiment
2 different change positions.
The recuperation of heat system of the heat recovery system 1 of the present embodiment 3 also substantially with the embodiment 1 and the embodiment 2
Unite 1 same.Here, being illustrated below centered on both different points, corresponding position mark same symbol is carried out
Explanation.
In the embodiment 1 and the embodiment 2, all the second aerial cooler 9 and the second oil cooler 11 are gone here and there
Connection connection so that the water for leading to supply tank 5 sequentially flows, but in the present embodiment 3, the second aerial cooler 9 and the second oil cooling
But device 11 is arranged in parallel, and leads to the water branch of supply tank 5, flows to the second aerial cooler 9 and the second oil cooler 11.
Specifically, the water route 22 from water softener 3 branches into the first water route 29 and the second water route 30, first
Water route 29 sets the second aerial cooler 9, and the second oil cooler 11 is set in the second water route 30.In illustrated example, shortly
Place before the first water route 29 and the second water route 30 will be branched into sets feed water valve 23, but it is also possible to supplied water first
The providing holes (orifice) of 29 and/or second water route of road 30 or magnetic valve or motor-driven valve etc..Other structures and control by
In same with the embodiment 1 or the embodiment 2, so omitting the description.
【Embodiment 4】
Fig. 4 is the skeleton diagram for the embodiment 4 for representing the heat recovery system 1 of the present invention.
Heat recovery system 1 of the heat recovery system 1 of the present embodiment 4 also substantially with each embodiment is same.Here, with
Under illustrated centered on both different points, to corresponding position mark same symbol illustrate.
In each embodiment, compressor 2 is oil lubricating type (oil feeding type), but in the present embodiment 4, compressor 2 is
Unlubricated formula (oil-free dry).Now, possess low section of compressor (low Duan Ya Shrink Machine) 31 and high section compressor as compressor 2
(high Duan Ya Shrink Machine) 32.Moreover, the compressed air from low section of compressor 31 is sent to high section pressure through the first intercooler 33
Contracting machine 32, after further being compressed in high section compressor 32, be sent to each aerial cooler 9 as aftercooler,
8。
Moreover, leading to the supplying gas on road of the first intercooler 33 from low section of compressor 31, recuperation of heat use is provided as
Second intercooler 34 of heat exchanger.It is same with the oil cooler 11 of the second aerial cooler 9 and second, lead to confession
The water supply of water tank 5 is leading to the second intercooler 34, realizes the recovery of the heat of compression.Now, the second cooling during rolling how is configured
How device 34, the second aerial cooler 9 and the second oil cooler 11, make the water for leading to supply tank 5 by can suitably set.Make
For an example, such as sequentially lead to the second intercooler 34, the second aerial cooler 9 and the second oil cooler 11, it is real
Now to the heating of the water supply of supply tank 5.
In the case of nonlubricated compressor 31,32, although there is no lubricating oil in compressor body, but in gear parts
There is lubricating oil, there is a situation where to want to cool down it.Now, the lubricating oil in gear-box 35 is sent to through oil feed pump 36
One oil cooler 10, after the first oil cooler 10 is cooled, returns to gear part.Moreover, leading to the first oil cooler 10
Send same with each embodiment can also set the second oil cooler 11 on oil circuit.
It is also same with each embodiment in the case of the present embodiment 4, according to passing through each second cooler 34,9,11
The use load and/or warm water temperature of warm water afterwards, control to the presence or absence of water supply of each second cooler 34,9,11 or
Person measures.Other structures and control are due to identical with each embodiment, so omitting the description.
【Embodiment 5】
Heat recovery system 1 of the heat recovery system 1 of the present embodiment 5 also substantially with the embodiment 1,2 is same.Here,
Illustrated below centered on both different points, corresponding position mark same symbol is illustrated.
In the embodiment 1,2, compressor 2 is oil lubricating type (oil feeding type), but in the present embodiment 5, compressor 2 is
Water lubrication type.Now, in the embodiment 1,2, replace lubricating oil and use lubrication water.It is accompanied by this, the embodiment
1st, the first oil cooler 10 in 2 is the first water cooler (10) of cooling and lubricating water, on the other hand, the embodiment 1,2
In the second oil cooler 11 be by the use of the lubrication water for being sent to first water cooler (10) heat water as
The second water cooler (11) of recuperation of heat heat exchanger.Moreover, in the case of the compressor 2 of water lubrication type, each air is cold
But device 8,9 can also omit its configuration.
If further illustrating, in the case of water lubrication type compressor 2, the air from compressor 2 is sprayed first
Go out to separator (7) (equivalent to the moisture trap of the oil eliminator 7 in the embodiment 1,2), gas-water separation is realized herein.
Realized in separator (7) lubrication water removing compressed air generally without aerial cooler 8,9 (i.e., it is possible to omit
The setting of aerial cooler 8,9), compressed air is sent to by drier 13 according to hope and utilizes machine.On the other hand, dividing
The first water cooler (10) is suitably sent to water from the lubrication that device (7) is separated from compressed air, desired cooling is realized,
Compressor 2 is returned to afterwards.Moreover, in this water lubrication type compressor 2, in the case where being applicable the present invention, as long as leading to
Sending for first water cooler (10) sets the second water cooler (11) in water route, compression is reclaimed in second water cooler (11)
Heat.Other structures and control due to same with the embodiment 1,2, therefore omit the description.
The heat recovery system 1 of the present invention is not limited to the composition of each embodiment, can suitably change.For example, described
In each embodiment, supply-water pump can be appropriately arranged with the water route 22 for leading to supply tank 5, this is self-evident.In addition, leading to
Recuperation of heat with heat exchanger (the second aerial cooler 9, the second oil cooler 11, the second intercooler 34) although water lead to
The aperture for crossing feed water valve 23 adjusts to be controlled, but it is also possible to replace, and supply-water pump is set in water route, to the supply-water pump
Convertor controls are carried out to adjust flow.
In addition, in each embodiment, although example illustrated is that the water supply to the supply tank 5 of boiler 4 is led into heat
Recovery heat exchanger, realizes the preheating of the water supply of boiler 4, but leads to recuperation of heat and be not limited to the purposes of the water of heat exchanger
This, can suitably change.
In addition, in the case of nonlubricated compressor as the embodiment 4, because the heat of compression is high temperature, so
Not warm water, can also obtain steam.That is, in recuperation of heat with heat exchanger (the especially recuperation of heat heat exchanger of most downstream)
In, water can also be heated and produce steam.Now, replace each embodiment like that according to by recuperation of heat with heat exchanger it
The temperature of warm water afterwards controls the mode of feed water valve 23, can also be controlled according to steam generation with the water level in heat exchanger
Feed water valve 23.As long as that is, detect steam generations heat exchanger water level, control lead to the presence or absence of water supply of the heat exchanger or
Amount, to maintain setting water level.Now, if the steam pressure in steam generation heat exchanger becomes too high, in institute
In the case of stating embodiment 2 (Fig. 2), switch three-way valve 26 (or three-way valve 28), make based on the first aerial cooler 8 both deposited
The cooling of (or first oil cooler 10) is preferentially carried out.
In addition, in each embodiment, for the first aerial cooler 8, the first oil cooler 10, the first cooling during rolling
Device 33, the first water cooler (10) are that water-cooled situation is illustrated respectively, but wherein one or two or all
It can be air-cooled type.Now, compressed air, lubricating oil or lubrication water are cooled down by the air stream of fan.
In addition, in each embodiment, for setting the second aerial cooler 9, the second oil cooler 11, (and then real
Apply the second intercooler 34 in example 4) example be illustrated, but all coolers therein need not all be set, can
To omit the setting of some according to hope.For example in the embodiment 1 or the embodiment 2, second can also be omitted empty
The setting of Gas Cooler 9, or omit the setting of the second oil cooler 11.
In addition, in the case of nonlubricated compressor or the compression of the cooling system without lubricating oil completely
Machine.Now, the first oil cooler 10 and the second oil cooler 11 are omitted or oil circuit 14 etc. is sent, can be turned into the cooling of the second air
The system that the heat of compression is reclaimed in the intercooler 34 of device 9 and/or second.
And then, in each embodiment, the hop count of compressor 2 can be changed suitably.
Claims (6)
1. a kind of heat recovery system, it is characterised in that possess：
Compressor；
Supply gas road, it, which is used to the compressed air from the compressor being sent to compressed air, utilizes machine；
First recuperation of heat heat exchanger, it can be carried out located at the road of supplying gas using the heat of compressed air to supplying water
Heat and manufacture warm water；
Water route, it makes water supply be passed to the first recuperation of heat heat exchanger；
Feed water valve and/or supply-water pump, it is located at the water route；And
Temperature sensor, it is located at the downstream water route of the first recuperation of heat heat exchanger,
Aperture to the feed water valve is adjusted or the supply-water pump is carried out convertor controls to adjust flow, by institute
The detection temperature for stating temperature sensor is maintained at design temperature.
2. heat recovery system according to claim 1, it is characterised in that
The compressor is the compressor of oil lubricating type,
The heat recovery system possesses：Oil circuit is sent, it is used to make the lubricating oil from the compressor return to the compressor；With
And the second recuperation of heat heat exchanger, it send oil circuit located at described, and water supply can be heated using the heat of lubricating oil
And warm water is manufactured,
The water route makes water supply be passed to first recuperation of heat with heat exchanger and the second recuperation of heat heat exchange
Device,
The temperature sensor is located at the first recuperation of heat heat exchanger and the second recuperation of heat heat exchanger
Downstream water route.
3. heat recovery system according to claim 2, it is characterised in that
The heat recovery system possesses：
Aerial cooler, it is supplied gas road located at first recuperation of heat with the upstream side of heat exchanger, and using by cooling water cooling
But the recirculated cooling water of device supply is cooled down to compressed air, or cold to compressed air progress using the air stream of fan
But；And
Oil cooler, it send oil circuit with the upstream side of heat exchanger located at second recuperation of heat, and using by cooling water cooling
The recirculated cooling water of device supply is cooled down to lubricating oil, or lubricating oil is cooled down using the air stream of fan.
4. heat recovery system according to claim 1, it is characterised in that
The compressor is the compressor for the unlubricated formula for possessing low section of compressor and high section compressor,
The heat recovery system possesses：
First supplies gas road, and it, which is used to the compressed air from the high section compressor being sent to compressed air, utilizes machine；
Second supplies gas road, and it is used to the compressed air from the low section of compressor being sent to high section compressor；
First recuperation of heat heat exchanger, it supplies gas road located at described first, and can be using the heat of compressed air to supplying water
Heated and manufacture warm water；And
Second recuperation of heat heat exchanger, it supplies gas road located at described second, and can be using the heat of compressed air to supplying water
Heated and manufacture warm water,
The water route makes water supply be passed to first recuperation of heat with heat exchanger and the second recuperation of heat heat exchange
Device,
The temperature sensor is located at the first recuperation of heat heat exchanger and the second recuperation of heat heat exchanger
Downstream water route.
5. heat recovery system according to claim 4, it is characterised in that
The heat recovery system possesses：
Aerial cooler, it is supplied gas road located at first recuperation of heat with the downstream of heat exchanger, and using by cooling water cooling
But the recirculated cooling water of device supply is cooled down to compressed air, or cold to compressed air progress using the air stream of fan
But；And
Intercooler, it send oil circuit with the downstream of heat exchanger located at second recuperation of heat, and using by cooling water cooling
But the recirculated cooling water of device supply is cooled down to compressed air, or cold to compressed air progress using the air stream of fan
But.
6. heat recovery system according to claim 1, it is characterised in that
The compressor is the compressor of water lubrication type,
The heat recovery system possesses：Water route is sent, it is used to make the lubrication from the compressor return to the compressor with water；
And the second recuperation of heat heat exchanger, it send water route located at described, and can be carried out using lubrication with the heat of water to supplying water
Heat and manufacture warm water,
The water route makes water supply be passed to first recuperation of heat with heat exchanger and the second recuperation of heat heat exchange
Device,
The temperature sensor is located at the first recuperation of heat heat exchanger and the second recuperation of heat heat exchanger
Downstream water route.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010234271A JP5632700B2 (en) | 2010-10-19 | 2010-10-19 | Heat recovery system |
| JP2010-234271 | 2010-10-19 | ||
| CN2011103036478A CN102454581A (en) | 2010-10-19 | 2011-09-29 | Heat recovery system |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103036478A Division CN102454581A (en) | 2010-10-19 | 2011-09-29 | Heat recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106979142A true CN106979142A (en) | 2017-07-25 |
Family
ID=45932895
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610977353.6A Pending CN106979142A (en) | 2010-10-19 | 2011-09-29 | Heat recovery system |
| CN2011103036478A Pending CN102454581A (en) | 2010-10-19 | 2011-09-29 | Heat recovery system |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011103036478A Pending CN102454581A (en) | 2010-10-19 | 2011-09-29 | Heat recovery system |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20120090340A1 (en) |
| JP (1) | JP5632700B2 (en) |
| KR (2) | KR101878763B1 (en) |
| CN (2) | CN106979142A (en) |
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| CN112412783A (en) * | 2020-10-30 | 2021-02-26 | 衢州学院 | Low-carbon double-screw air compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012087664A (en) | 2012-05-10 |
| CN102454581A (en) | 2012-05-16 |
| JP5632700B2 (en) | 2014-11-26 |
| KR101935274B1 (en) | 2019-01-04 |
| KR20180009365A (en) | 2018-01-26 |
| KR101878763B1 (en) | 2018-07-16 |
| KR20120040648A (en) | 2012-04-27 |
| US20120090340A1 (en) | 2012-04-19 |
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Application publication date: 20170725 |