CN1120154A - Structure of apparatus for cool dewaterring compressed air - Google Patents
Structure of apparatus for cool dewaterring compressed air Download PDFInfo
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- CN1120154A CN1120154A CN94113476A CN94113476A CN1120154A CN 1120154 A CN1120154 A CN 1120154A CN 94113476 A CN94113476 A CN 94113476A CN 94113476 A CN94113476 A CN 94113476A CN 1120154 A CN1120154 A CN 1120154A
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- compressed air
- air
- interior pipe
- dehydrating unit
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- 239000003507 refrigerant Substances 0.000 claims description 51
- 230000009977 dual effect Effects 0.000 claims description 15
- 230000004087 circulation Effects 0.000 claims description 7
- 230000004888 barrier function Effects 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 13
- 239000002826 coolant Substances 0.000 abstract 3
- 238000007710 freezing Methods 0.000 abstract 1
- 230000008014 freezing Effects 0.000 abstract 1
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000011810 insulating material Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 206010020843 Hyperthermia Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000036031 hyperthermia Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/124—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and being formed of pins
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2203/00—Devices or apparatus used for air treatment
- F24F2203/12—Dehumidifying or humidifying belt type
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- 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]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Fluid Mechanics (AREA)
- Drying Of Gases (AREA)
Abstract
The present invention provides a cooling type compressed air dehumidifying apparatus. A compressor, a primary heat exchanger having a double piping structure, a pressure reducing means and the evaporator of a freezing cycle connected to an evaporator in a circulative manner are arranged in a secondary heat exchanger having an air outlet and an air inlet through a cooling medium pipe. The cooling medium pipe is connected to the outer pipe of the primary heat exchanger so that a cooling medium flows to the outer periphery of the inner pipe of the primary heat exchanger. The air outlet of the secondary heat exchanger is allowed to communicate with the inner pipe of the primary heat exchanger and the open air is sent to the outer periphery of the primary heat exchanger from a blow fan.
Description
The improvement of the structure that the present invention effectively dehumidifies relevant for the carrying out of cooled compressed air dehydrating unit.
According to the cooled compressed air dehydrating unit of known technology as shown in Figure 9, utilize refrigerant tube 7,9 make compressor 6, and condenser 5 connects into freeze cycle evaporimeter 2 as the capillary 8 of decompressor and 2 circulations of fin evaporimeter and is configured in the heat exchanger 1.In this heat exchanger 1, make that the air intake 1a of heat exchanger 1 enters behind the high temperature compressed air, the air of the dehumidifying cooling that back air outlet slit 1b is discharged from is directed into condenser 5 via air discharge pipe 3, cooling fan 5c via condenser 5, by with the air flue 5a inside of condenser tube 5b binding in parallel, utilize the heat of condensation of refrigerant to heat, this kind mode is known invention (Japan Patent is real to be opened clear 55-No. 24636).
In this kind device, the air of the dehumidifying that is cooled in heat exchanger 1 utilizes the heat of condensation to heat again, is used for making the relative humidity of the air of discharge to descend.
Yet, in this kind known devices,, utilize the heat conduction of fin to make refrigerant and compressed air carry out heat exchange, so have shortcoming good under the heat exchanger effectiveness because be to carry out the heat conduction via the fin that is connected with the condenser tube of condenser.
In addition, heat exchanger and condenser individually carry out heat exchange, because form other structure, so the device overall volume becomes very big.
The present invention be directed to the shortcoming of above-mentioned known technology, its objective is provides a kind of device, and it can make the heat of condensation and cooling air carry out heat exchange energetically, and the device overall volume is diminished.
First kind of scheme of the present invention provides a kind of structure of cooled compressed air dehydrating unit.
It constitutes the freeze cycle that circulation connects through a heat exchanger, decompressor and the evaporimeter of refrigerant Guan Eryu compressor, dual conduits structure, described evaporimeter is configured in the secondary heat exchanger with air outlet slit and inlet, refrigerant tube is connected with the outer tube of a heat exchanger, form refrigerant in the mobile mode of the periphery of the interior pipe of this heat exchanger, the interior pipe of the air outlet slit of above-mentioned secondary heat exchanger and a heat exchanger communicates, from the blown periphery of a heat exchanger of the air of Air Blast fan.The feature of its thin portion is as described below.
The structure of this cooled compressed air dehydrating unit is that aforementioned Air Blast fan is arranged on section is that the air of the housing of square shape is taken into oral-lateral, this housing has air in a side of open-top and is taken into mouth, substantial middle position configuration in this case top has by the secondary heat exchanger of thermal insulation, and the space between this secondary heat exchanger and this housing disposes heat exchanger No. one time.
Secondly, above-mentioned secondary heat exchanger of the present invention has the structure of dual pipe arrangement, and evaporimeter is made of the interior pipe of this dual pipe arrangement.
The periphery that constitutes the outer tube of an above-mentioned heat exchanger is provided with heat exchange fins, and the moving interior pipe of voltage supply stream of compressed air that constitutes a heat exchanger is to constitute with the spirality pipe.
Compressor is configured in the place ahead of Air Blast fan, and back Air Blast fan utilizes conduit to be separated to the path of compressor.
The structure of this cooled compressed air dehydrating unit is to be provided with upright barrier plate at the rear of the compressor that separates with above-mentioned conduit.
Secondly, second kind of scheme of the present invention provides a kind of cooled compressed air dehydrating unit, its constituted mode is via refrigerant tube and compressor, the formed heat exchanger of dual pipe arrangement, decompressor and connect into the freeze cycle pipeline by the formed secondary heat exchanger circulation of dual pipe arrangement; The interior pipe of the outer tube of above-mentioned secondary heat exchanger and a heat exchanger connects into the form of communicating, refrigerant is flowed in the interior pipe of the interior pipe periphery of an above-mentioned heat exchanger and secondary heat exchanger, and the mode that flows toward the interior pipe of a heat exchanger of the outer tube that constitutes secondary heat exchanger behind the high temperature compressed air, make secondary heat exchanger and the outside heat insulation that forms, be sent to the periphery of a heat exchanger from the external air of fan.The feature of the thin portion of second kind of scheme of the present invention is as described below.
Exterior circumferential at the outer tube that constitutes an above-mentioned heat exchanger is provided with heat exchange fins.
The interior pipe that compressed air flows that makes that constitutes a heat exchanger utilizes the spirality pipe to constitute.
The compressed air that flows in the interior pipe flowing refrigerant of secondary heat exchanger with in outer tube produces convection current.
When the connection of the outer tube of interior pipe that carries out a heat exchanger and secondary heat exchanger, link with drain valve.
Outlet side at a heat exchanger is provided with temperature-detecting device, has only when this detected temperature just makes this fan when assigned temperature is above and rotates.
In the device of first and second kinds of schemes of the present invention, to be refrigerant flow at the interior pipe of the periphery of the interior pipe of a heat exchanger and secondary heat exchanger or evaporimeter its constituted mode, and compressed air flows in the interior pipe of the periphery of the interior pipe of secondary heat exchanger or evaporimeter and a heat exchanger.Therefore, when supplying with compressed air freeze cycle pipeline action simultaneously, the compression of pipe was cooled off air and is come air to make the refrigerant condensation outside the periphery of outer tube flows in secondary heat exchanger flow through after the interior pipe periphery utilization of a heat exchanger.
The refrigerant that is condensed is directed into the interior pipe or the evaporimeter of secondary heat exchanger via decompressor, evaporates therein and acts on as cooling tube.In the exterior circumferential of interior pipe or evaporimeter, because the compressed air of high temperature flows with the form as convection current, so refrigerant and high temperature compressed air carry out positive heat exchange, compressed air is cooled, and refrigerant then is heated.Refrigerant after the heating is got back to compressor once again.In addition, the compressed air that is cooled so just make redundant moisture carry out dewfall, uses making its cooling that dehumidified because dew-point temperature is reduced.
The water of dewfall is used as discharge water and is discharged to the outside.The cooled compressed air that dehumidifies flows in the interior pipe of a heat exchanger, utilizes the heat exchange of the hyperthermia induced cryogen that flows with exterior circumferential at interior pipe and is heated, and becomes the lower air of relative temperature and is discharged from regard to a back heat exchanger.
In addition, be provided with heat exchange fins, be used for and carry out the good heat exchange of efficient in the periphery flow air of outer tube via the air-supply of fan in the outer tube periphery of a heat exchanger.In addition, when the interior pipe of a heat exchanger was made of the spirality pipe, the outside flowing refrigerant of pipe in spirality was because flow with the stream mode of circling round, and institute recognizes refrigerant and can carry out heat exchange with compressed air equably.
In addition, the external air that utilizes Air Blast fan to send into separates because of the housing that is configured, so be taken into a mouthful suction from air, is discharged from from the top then.At this moment, outer tube and the external air that is configured in a heat exchanger at top can carry out heat exchange.
In addition, when compressor was arranged on Air Blast fan the place ahead, the heat of compression of compressor can utilize external air to be cooled off.
Below in conjunction with accompanying drawing embodiments of the invention are described.
Fig. 1 is the summary loop diagram of the present invention's the 1st embodiment device.
Fig. 2 is the summary loop diagram of the present invention's the 2nd embodiment device.
Fig. 3 is the front elevation of embodiment device.
Fig. 4 is the A-A profile of Fig. 3 device.
Fig. 5 is the perspective view of a device part.
Fig. 6 is the B-B partial section view of Fig. 4 device.
Fig. 7 is the C-C profile of Fig. 4 device.
Fig. 8 is the D-D profile of Fig. 4 device.
Fig. 9 is the summary loop diagram, is used for representing known technology.
Fig. 1 is a loop diagram, is used for representing the general structure of the device of the embodiment of the invention, makes compressor 12, heat exchanger 14, forms circulation lines as the capillary 16 of decompressor with evaporimeter 17 and be connected via refrigerant tube 10.No. one time heat exchanger 14 is formed by the spirality pipe, pipe 14a and outer tube 14b constitute dual conduits structure in having, and in addition, in outer tube 14b periphery heat exchange fins 15 are housed, space between interior pipe 14a and outer tube 14b and refrigerant tube 10 link, and allow refrigerant flow betwixt.In addition, evaporimeter 17 is configured in heat-insulating material 20 and covers in the secondary heat exchanger 18 of using thermal insulation, and the air outlet slit of secondary heat exchanger 18 is attached to the interior pipe 14a of a heat exchanger 14.Label 22 expressions are installed in the drain valve on the secondary heat exchanger 18.
Label 21 expression fans, be used for external air import to heat exchanger 14 use carry out air-cooled.This fan 31 is connected to and is arranged on the temperature-detecting device 24 that heat exchanger refrigerant outlet is surveyed, when detected temperature when assigned temperature is above, just apply rotation output indication, fan receives to use from the electric power of control device 26 and is rotated.
In addition, Fig. 2 is a loop diagram, is used for representing the 2nd embodiment of the present invention, and it makes compressor 12, heat exchanger 14, forms circulation lines as the capillary 16 of decompressor with secondary heat exchanger 18 and be connected via refrigerant tube 10.Secondary heat exchanger 18 is formed by refrigerant tube, and pipe 18a and outer tube 18b constitute dual conduits structure in having.In addition, the interior pipe 14a of the outer tube 18b of secondary heat exchanger 18 and a heat exchanger 14 interlinks via drain valve 22.In addition, constitute the mode of supplying with compressed air and discharging from the outer tube 18b of secondary heat exchanger 18 from the interior pipe 14a of the heat exchanger 14 on figure right side.Refrigerant circulates between the interior pipe 18a of outer tube 14b, capillary 16 and the secondary heat exchanger 18 of compressor 12, a heat exchanger 14 via refrigerant tube 10.
Secondly, Fig. 3 is used for representing being equipped with the whole front elevation of cooled compressed air dehydrating unit of the embodiment in loop shown in Figure 2, be provided with air and be taken into mouth 30 below the front that the housing 28 that with the section is square shape is covered, drain valve 22 then is configured to be projected into foreign side.In housing 28, what air shown in Figure 4 is taken into the fan 32 that mouthful 30 sides are provided with air-supply usefulness, blows towards the side periphery that separates compressor 12 via the air-supply path of conduit 34.Housing 28 tops are by opening, are connected the corner material 36 in two corners at top and the heat-insulating material 38 that the side that is set at central authorities has circular arc, are used for forming the air flue 40 of U word shape.The area of section of this air flue 40 is narrower than the area of section that air is taken into mouth 30, consequently can make the flow velocity quickening by the air of this air flue 40.In addition, on this U word shape path 40, a heat exchanger 14 is arranged to crooked U word shape, in the heat-insulating material 38 of what path on the throne 40 inboards, is provided with the secondary heat exchanger 18 that is bent to U word shape.In the present embodiment, secondary heat exchanger 18 is built into and makes compressed-air actuated downstream lower, and outer tube 18b is attached to drain valve 22.
In the embodiment of Fig. 4, the behind (downstream of wind) of the compressor 12 in the what housing 28 is provided with barrier plate 44, form vertical mode on its position what base plate 46, the direction of utilizing the influence of this barrier plate 44 that fan 32 is blown is changed towards top-direction, is discharged to outside the housing 28 from air flue 40.
In above-mentioned structure, the device of present embodiment carries out work as described below.At first, utilize the fan 32 external air of attraction (30 ℃) to blow out, utilize the compression heat of compressor 12 to form quilt heated state (32 ℃) a little, owing to the barrier plate 44 with compressor 12 rears conflicts towards compressor 12, thereby produce the direction change, form and blow towards housing 28 top-direction.The air that is changed is blown from air flue 40 outside the machine.In addition on the one hand, when carrying out the freeze cycle running, when supplying with compressed air, just the outer tube 18b inflow from secondary heat exchanger 18 is approximately 35 ℃ high temperature compressed air and pipe 18a flowing refrigerant within secondary heat exchanger 18, to carry out heat exchange, be cooled to and be roughly 10 ℃ streamed.Owing to be cooled to 10 ℃, airborne moisture carries out dewfall, thereby the dew-point temperature of air is reduced.The discharge water of dewfall, because the lower relation in position, air downstream of secondary heat exchanger 18, so this discharge water is stored in drain valve 22 via joint 42.Utilize the secondary heat exchanger 18 cooled air of dehumidifying (10 ℃) to be directed into pipe 14a in the spirality of a heat exchanger 14, by being discharged from behind the interior pipe 14a.
At this moment because interior pipe 14a exterior circumferential from 80 ℃ refrigerant of compressor 12 flowing to streamed, so and refrigerant carry out the direct heat exchange, make it be heated to 40 ℃ degree.
In addition on the one hand, the refrigerant of supplying with from compressed air (80 ℃) flows in the periphery of the interior pipe 14a of a heat exchanger 14, because interior pipe 14a is made of the spirality pipe, and the stream so refrigerant gas not circles round.Because the mobile refrigerant gas that makes of stirring-type can not be detained,, carry out heat exchange with compressed air so in interior pipe 14a, flow equably.In addition, in the periphery of outer tube 14b, because flow,, be cooled to 45 ℃ degree and be condensed so this air also carries out heat exchange by the vertical direction of flow of refrigerant direction from the air of compressor 12 sides air-supplies.
The refrigerant that is condensed after capillary 16 decompressions, is directed into the interior pipe 18b of secondary heat exchanger 18, and the refrigerant that becomes 7 ℃ of degree flows in interior pipe 18b.
Flowing refrigerant in interior pipe 18b is carried out heat exchange with the high temperature compressed air of flow in interior pipe periphery (to flow to streamed) and is heated.Then, this heated refrigerant is got back to compressor 12 once again.In addition, because secondary heat exchanger 18 is installed in the heat-insulating material 20, so can not be subjected to other Effect of Environmental such as external air when carrying out heat exchange.
In addition,, be provided with temperature-detecting device 24,, make Air Blast fan 21 rotations via control device 26 when refrigerant temperature reaches assigned temperature when above in the discharge side of a heat exchanger 14 in freeze cycle.Thus, because do not supply with compressed air, even so the refrigerant gas of a heat exchanger 14 can not be cooled because of the wind pushing air that utilizes Air Blast fan 12, so can avoid the load condition of freeze cycle because of carrying out heat exchange and become the state of cooling with the cooling air yet.The test example
Make under the condition of present embodiment device shown in Figure 3 shown in following, whether the situation of coming in and going out of the heat when observing refrigerant compressed air and flowing can also be confirmed good even in freeze cycle condenser is not set individually.[condition] (1) compressed air
720 liters/min of air capacity secondary heat exchanger inlet temperature: 35 ℃ of (saturated) secondary heat exchanger inlet pressure: 7kg/cm
2G secondary heat exchanger outlet temperature: 10 ℃ (saturated) heat exchanger outlet temperature: 50 ℃ of (2 freeze cycle
Compressor cooling capacity: 250kcal/h
Adiabatic condensation temperature: 7 ℃ (heat exchanger refrigerant outlet temperature)
Evaporating temperature: 50 ℃ of (3) fans
Air quantity: 5m
3/ min
Inlet temperature: 30 ℃
Outlet temperature: 30.5 ℃ of each heat (1) secondary heat exchangers (heat release) of being measured
Enthalpy (the i of intake air
1): 11.1kcal/kg
Enthalpy (the i of outlet air
2): 4.4kcal/kg
The heat of interior pipe 18a (cooler): (2) heat exchangers (heat absorption) of 190kcal/h (being cooled to 35 ℃～10 ℃)
The heat of a heat exchanger: 230kcal/h (being heated to 10 ℃～50 ℃) (3) freeze cycle side
The cooling capacity of compressor: 250kcal/h
The heat extraction heat of compressor: 310kcal/h (cooling capacity * 1.25 times) (4) fan
150kcal/h
During load (when supplying with compressed air)
A heat exchanger compressed air of secondary heat exchanger side 190kcal/h 230kcal/h freeze cycle side 250kcal/h 310kcal/h Air Blast fan---150kcal/h
When non-loaded (when not supplying with compressed air)
A heat exchanger compressed air of secondary heat exchanger side Okcal/h Okcal/h freeze cycle side Okcal/h 60kcal/h Air Blast fan---150kcal/h assessment
The heat extraction of the freeze cycle of aforesaid way is compressed-air actuated heat again when having load and the heating from the wind pushing air of Air Blast fan when non-loaded.Therefore, also condenser can be set in addition, when non-loaded and any situation when load is arranged all have the freeze cycle function, therefore can judge condenser needn't be set individually in freeze cycle.
In addition, illustrated in the device of present embodiment is installing loop shown in Figure 2, but secondary heat exchanger has more than and is limited to the form with dual conduits structure, in the device of embodiment shown in Figure 1, can also constitute the central authorities that the secondary heat exchanger 18 that heat-insulating material is covered is configured in housing 28 tops, at heat exchanger 14 of its exterior circumferential configuration.
In according to device of the present invention recited above, be used for making compressed air heat again because carry out heat exchange, so heat exchanger effectiveness is better than known technology via the heat exchanger of dual pipe arrangement formula and refrigerant.Because utilize an Air Blast fan just can cool off, so can reduce the number of Air Blast fan to compressor and a heat exchanger.
In addition, in the heat exchanger configuration that two dual piping methods are set, because constitute the mode of the cooling that dehumidifies, so when comparing with the known dehumidifying cooling device with heat exchanger and general condenser, the volume of device can reduce.
In addition, because refrigerant and compressed-air actuated heat exchange in heat exchanger and the secondary heat exchanger are carried out with convection type, under this make, can further improve heat exchanger effectiveness.
In the structure of pipe, form the stream that circles round at its exterior circumferential flowing refrigerant gas in heat exchanger of spirality pipe formation, refrigerant gas can not be detained, and can carry out the good heat exchange of efficient thus.
Discharge side at a heat exchanger that temperature-detecting device is located at the freeze cycle pipeline, use in the make of the rotation of controlling Air Blast fan, because Air Blast fan does not have invalid rotation when carrying out heat exchange, so can save energy, and when non-loaded, can not make the fan rotation cause the load of freeze cycle pipeline.
Claims (12)
1. the structure of a cooled compressed air dehydrating unit, its formation is by refrigerant tube and compressor, a heat exchanger of dual conduits structure, decompressor and evaporimeter circulation connect and compose freeze cycle, this evaporimeter is configured in the secondary heat exchanger with air outlet slit and inlet, refrigerant tube is connected with the outer tube of a heat exchanger, form refrigerant in the mobile mode of the interior pipe periphery of this heat exchanger, the interior pipe of the air outlet slit of above-mentioned secondary heat exchanger and a heat exchanger communicates, from the blown periphery of a heat exchanger of the external air of air-supply wind.
2. according to the structure of the cooled compressed air dehydrating unit of claim 1, it is characterized in that it is that the air of the housing of square shape is taken into oral-lateral that aforementioned Air Blast fan is arranged on section, this housing is had air at the top by an open side and is taken into mouth, position configuration in the substantial middle of this case top has by the secondary heat exchanger of thermal insulation, the heat exchanger of space configuration between this secondary heat exchanger and housing.
3. according to the structure of the cooled compressed air dehydrating unit of claim 1 or 2, it is characterized in that secondary heat exchanger has the dual conduits structure that is made of outer tube and interior pipe, the evaporimeter that is configured in this heat exchanger is made of the interior pipe of above-mentioned dual pipe arrangement.
4. according to the structure of the cooled compressed air dehydrating unit of claim 1 or 2, it is characterized in that being provided with heat exchange heat-obtaining sheet in the outer tube periphery that constitutes an above-mentioned heat exchanger, the moving interior pipe of voltage supply stream of compressed air that constitutes a heat exchanger constitutes with the spirality pipe.
5. according to the structure of the cooled compressed air dehydrating unit of claim 2, it is characterized in that with compressor configuration the place ahead at Air Blast fan, back Air Blast fan utilizes conduit to be separated to the air-supply path of compressor.
6. according to the structure of the cooled compressed air dehydrating unit of claim 5, it is characterized in that being provided with upright barrier plate at the compressor rear.
7. cooled compressed air dehydrating unit, its formation are by refrigerant tube and compressor, the formed heat exchanger of dual pipe arrangement, decompressor and by the formed secondary heat exchanger circulation of dual pipe arrangement and connect into the freeze cycle pipeline; The interior pipe of the outer tube of above-mentioned secondary heat exchanger and a heat exchanger connects into the form of communicating, and refrigerant is flowed in the interior pipe of the periphery of the interior pipe of an above-mentioned heat exchanger and secondary heat exchanger, and the mode that flows toward the interior pipe of a heat exchanger of the outer tube that constitutes secondary heat exchanger behind the high temperature compressed air, make secondary heat exchanger and the outside heat insulation that forms, from the blown periphery of a heat exchanger of the external air of fan.
8. according to the cooled compressed air dehydrating unit of claim 7, it is characterized in that being provided with heat exchange fins in the periphery that constitutes an above-mentioned heat exchanger outer tube.
9. according to the cooled compressed air dehydrating unit of claim 7, it is characterized in that the interior pipe that compressed air flows that makes that constitutes a heat exchanger utilizes the spirality pipe to constitute.
10. according to the cooled compressed air dehydrating unit of claim 7, it is characterized in that producing convection current in the interior pipe flowing refrigerant of secondary heat exchanger and the compressed air that in outer tube, flows.
11., it is characterized in that when the outer tube of interior pipe that carries out a heat exchanger and secondary heat exchanger is communicated with, linking with drain valve according to the cooled compressed air dehydrating unit of claim 7.
12. according to the cooled compressed air dehydrating unit of claim 7, it is characterized in that being provided with temperature-detecting device, have only when this detected temperature just makes this fan when assigned temperature is above and rotate at the outlet side of a heat exchanger.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP343477/93 | 1993-12-16 | ||
| JP5343477A JP2694505B2 (en) | 1993-12-16 | 1993-12-16 | Cooled compressed air dehumidifier |
| JP5343476A JP2711217B2 (en) | 1993-12-16 | 1993-12-16 | Structure of cooling type compressed air dehumidifier |
| JP343476/93 | 1993-12-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1120154A true CN1120154A (en) | 1996-04-10 |
Family
ID=26577542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94113476A Pending CN1120154A (en) | 1993-12-16 | 1994-12-15 | Structure of apparatus for cool dewaterring compressed air |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR950019540A (en) |
| CN (1) | CN1120154A (en) |
| TW (1) | TW234736B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101990617A (en) * | 2008-04-10 | 2011-03-23 | 奥利安机械股份有限公司 | Temperature and humidity adjusting device and temperature and humidity adjusting method |
| CN110822948A (en) * | 2019-11-25 | 2020-02-21 | 榆林学院 | Small fan inner component tube type heat exchanger |
| CN111947258A (en) * | 2020-08-14 | 2020-11-17 | 苏州生益净化工程设备有限公司 | Combined air conditioning unit |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020061564A (en) * | 2002-06-18 | 2002-07-24 | 유병섭 | A cooling device of strengthened glass manufacture system |
| KR100370928B1 (en) * | 2002-06-19 | 2003-02-07 | 유병섭 | A cooling device of strengthened glass manufacture system |
-
1994
- 1994-05-03 TW TW083103974A patent/TW234736B/en active
- 1994-12-13 KR KR1019940033833A patent/KR950019540A/en not_active Application Discontinuation
- 1994-12-15 CN CN94113476A patent/CN1120154A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101990617A (en) * | 2008-04-10 | 2011-03-23 | 奥利安机械股份有限公司 | Temperature and humidity adjusting device and temperature and humidity adjusting method |
| CN110822948A (en) * | 2019-11-25 | 2020-02-21 | 榆林学院 | Small fan inner component tube type heat exchanger |
| CN111947258A (en) * | 2020-08-14 | 2020-11-17 | 苏州生益净化工程设备有限公司 | Combined air conditioning unit |
| CN111947258B (en) * | 2020-08-14 | 2021-10-08 | 苏州生益净化工程设备有限公司 | Combined air conditioning unit |
Also Published As
| Publication number | Publication date |
|---|---|
| KR950019540A (en) | 1995-07-24 |
| TW234736B (en) | 1994-11-21 |
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