CN109579576A - A kind of oil gas combines the heat exchanger of heat exchange - Google Patents
A kind of oil gas combines the heat exchanger of heat exchange Download PDFInfo
- Publication number
- CN109579576A CN109579576A CN201811421337.4A CN201811421337A CN109579576A CN 109579576 A CN109579576 A CN 109579576A CN 201811421337 A CN201811421337 A CN 201811421337A CN 109579576 A CN109579576 A CN 109579576A
- Authority
- CN
- China
- Prior art keywords
- oil
- cold
- core
- air cooling
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001816 cooling Methods 0.000 claims abstract description 42
- 238000007789 sealing Methods 0.000 claims abstract description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 5
- 239000004411 aluminium Substances 0.000 claims abstract description 5
- 238000005192 partition Methods 0.000 claims description 14
- 230000008676 import Effects 0.000 claims description 11
- 239000004519 grease Substances 0.000 claims description 7
- 230000005855 radiation Effects 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 239000013256 coordination polymer Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
- F28D9/0037—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the conduits for the other heat-exchange medium also being formed by paired plates touching each other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention relates to the heat exchangers that a kind of oil gas combines heat exchange, including core, on, lower connecting plate, it is left, right aircooling cabinet, it is left, the cold house You You and aluminium row, core includes upper, the air cooling core of lower connection and oily cold core body, cold core body and oily cold core body include internal channel, internal channel includes upper, lower clapboard, channel is upper in air cooling core and oily cold core body, air cooling inner fin and the cold inner fin of oil are respectively set between lower clapboard, it is gas-cooled before inner fin and the cold inner fin of oil, rear end is respectively provided with long strip of paper used for sealing, outer tunnel is formed between adjacent internal channel, the outer fin of setting in outer tunnel, before outer fin, short strip of paper used for sealing is arranged in rear end, it is left, right aircooling cabinet and a left side, the cold house You You is separately connected air cooling core and oily cold core body, it is left, right aircooling cabinet connect gas into, outlet, it is left, the cold house You You connection oil into, outlet, the oil gas combines the heat exchanger of heat exchange, one A heat exchanger can meet simultaneously compressed air and screw rod oil synchronize radiate, and heat exchanger takes up space small, and equipment input cost is low.
Description
Technical field
The present invention relates to the heat exchangers that heat exchanger more particularly to a kind of oil gas combine heat exchange.
Background technique
On powerful compressor, since the temperature of compressed air is higher, causes compressed air not use directly, need
Heat exchanger is added to cool down compressed air；In addition compressor uses screw compression air, it is necessary to it is lubricated using screw rod oil, therefore
It needs to cool down screw rod oil, to guarantee screw rod Efficient Operation, so traditional heat exchanger is at least needed using two sets of heat exchange
Device carries out compressed air heat exchange and the heat exchange of screw rod oil respectively, and heat exchanger is badly in need of one since the limitation of heat exchanger space and function need
Kind can meet the solution of oil/gas heat exchanger simultaneously.
Summary of the invention
The applicant is directed to disadvantage mentioned above, has carried out Improvement, provides a kind of heat exchanger of oil gas combination heat exchange.
The technical solution adopted in the present invention is as follows:
A kind of oil gas combines the heat exchanger of heat exchange, including core, and core upper and lower end connects upper and lower connecting plate, and core includes
The air cooling core and oily cold core body connected above and below, the air cooling core and oily cold core body include internal channel, the internal channel packet
Include upper and lower partition, setting air cooling inner fin between the upper and lower partition of core internal channel that is gas-cooled, channel is upper and lower in oily cold core body
The cold inner fin of oil, the air cooling inner fin and oil cold inner fin front and back ends are set between partition and are respectively provided with long strip of paper used for sealing, it is described adjacent
Outer tunnel is formed between internal channel, short strip of paper used for sealing is arranged in the outer fin of setting in outer tunnel, the outer fin front and back ends, and be gas-cooled core
Two sides connect left and right aircooling cabinet, the left and right oily cold house of oily cold core body two sides connection, and the left and right aircooling cabinet connects gas import and export,
The left and right oily cold house connects oily import and export.
As a further improvement of the above technical scheme:
The left aircooling cabinet connects gas import, right aircooling cabinet connection gas outlet, the gas import and air cooling inner fin arrangement
Direction is vertical, and the gas outlet is parallel with air cooling inner fin arranged direction.
The cold house Zuo You is divided into inlet space and out grease chamber by partition, and the inlet space connects oil inlet, and grease chamber connects out
Connect oil export.
The air cooling core upper end and oily cold core body lower end are all connected with the aluminium row for offering mounting hole.
Beneficial effects of the present invention are as follows: the oil gas combines the heat exchanger of heat exchange, and a heat exchanger can meet simultaneously
Compressed air and screw rod oil synchronize radiate, and it is small to take up space, and equipment input cost is low.
Detailed description of the invention
Fig. 1 is the front view for the heat exchanger core body that oil gas of the invention combines heat exchange.
Fig. 2 is the enlarged drawing at Figure 1A.
Fig. 3 is the enlarged drawing at Figure 1B.
Fig. 4 is the side view for the heat exchanger core body that oil gas of the invention combines heat exchange.
Fig. 5 is the enlarged drawing at Fig. 4 C.
Fig. 6 is the enlarged drawing at Fig. 4 D.
Fig. 7 is the structural schematic diagram for the heat exchanger that oil gas of the invention combines heat exchange.
Fig. 8 is the front view for the heat exchanger that oil gas of the invention combines heat exchange.
In figure: 1, core；101, upper junction plate；102, lower connecting plate；2, partition；3, be gas-cooled inner fin；4, the cold interior wing of oil
Piece；5, long strip of paper used for sealing；6, outer fin；7, short strip of paper used for sealing；8, left aircooling cabinet；9, right aircooling cabinet；10, the cold house Zuo You；11, the cold house You You；
12, gas import；13, gas exports；14, oil inlet；15, oil export；16, inlet space；17, go out grease chamber；18, aluminium is arranged.
Specific embodiment
With reference to the accompanying drawing, illustrate the specific embodiment of the present embodiment.
As shown in Figures 1 to 8, the oil gas of the present embodiment combines the heat exchanger of heat exchange, including core 1,1 upper and lower end of core
Upper and lower connecting plate 101,102 is connected, core 1 includes the air cooling core connected above and below and oily cold core body, and air cooling core and oil are cold
Core includes internal channel, and internal channel includes upper and lower partition 2, and air cooling is arranged between the upper and lower partition 2 of core internal channel that is gas-cooled
The cold inner fin 4 of oil, air cooling inner fin 3 and oil cold inner fin are set between the upper and lower partition 2 in channel in inner fin 3, oily cold core body
4 front and back ends are respectively provided with long strip of paper used for sealing 5, and outer tunnel is formed between adjacent internal channel, the outer fin 6 of setting in outer tunnel, before outer fin 6,
Rear end is arranged short strip of paper used for sealing 7, and air cooling core two sides connect left and right aircooling cabinet 8,9, left and right aircooling cabinet 8,9 be separately connected gas into and out of
Mouth 12,13, the left and right oily cold house 10,11 of oily cold core body two sides connection, left and right oil cold house 10,11 connect oil import and export 14,15,
Air cooling core upper end and oily cold core body lower end are all connected with the aluminium row 18 for offering mounting hole.
Gas import 12 is vertical with air cooling 3 arranged direction of inner fin, allows compressed air into inlet suction port 6, passes through gas import
Turning enters air cooling inner fin 3 after the baffle gear of 12 rear ends is lower, can prevent compressed air from directly impacting air cooling inner fin 3, extend
Be gas-cooled 3 service life of inner fin, and gas outlet 13 is parallel with air cooling 3 arranged direction of inner fin.
The cold house Zuo You 10 is divided into inlet space 16 and out grease chamber 17 by partition, and inlet space 16 connects oil inlet 14, out grease chamber
17 connection oil exports 15, make oil is cold to design using double-flow, and the same side that oil inlet 14 and oil export 15 are kept greatly reduces
Adapter tube difficulty, and tubing length is reduced, achieve the effect that energy-efficient.
The oil gas combines the heat exchanger of heat exchange, according to known screw rod oil stream amount, screw rod oil-in, outlet temperature and environment
Temperature parameter can calculate the oily cold core body theory heat exchange area of acquisition, and calculation formula is as follows:
Heat release formula QOil=GOil×CP oil×ΔTOilUnit: W；
GOilFor screw rod oil quality flow, calculation method is screw rod oil stream amount × screw rod oil density, units/kg/s；
CP oilFor the specific heat of screw rod oil；
ΔTOil=TEnter-TOutAs screw rod oil-in, outlet temperature difference；
The heat radiation power Q of oily cold core body can be calculatedOil；
According to the heat radiation power for calculating the oily cold core body obtained, it can calculate and take away screw rod oil Q needed for cooling airOilAmount
Heat need temperature difference be Δ t2
According to equation of heat balance: Q=K × A × Δ tm
K---- overall heat-transfer coefficient in formula, K take 60W/m2·℃.
A----- total heat conduction area
Δtm----logarithmic mean temperature difference (LMTD)；
TCooling air entersAs environment temperature
TCooling air goes outAs environment temperature+Δ t2
Total heat conduction area A, the theoretical heat exchange area of as oily cold core body can be calculated；
According to the theoretical heat exchange area being calculated, oily cold core body can be designed, designed oily cold core body actually changes
Heat area has to be larger than cold core body theory heat exchange area
Also according to known compressor gas flow, compressed air inlet, outlet temperature, environment temperature parameter, can calculate
The theoretical heat exchange area of air cooling core is obtained, calculation formula is as follows:
Heat release formula QGas=GGas×CP gas×ΔTGasUnit: W；
GGasFor compressed air quality flow, calculation method is compressed air require × compressed air density, units/kg/s；
CP gasFor the specific heat of compressed air；
ΔTGas=TEnter-TOutAs compressed air inlet, outlet temperature difference；
The heat radiation power Q of oily cold core body can be calculatedGas；
According to the heat radiation power for calculating the oily cold core body obtained, it can calculate and take away screw rod oil Q needed for cooling airGasAmount
Heat need temperature difference be Δ t2
According to equation of heat balance: Q=K × A × Δ tm
K---- overall heat-transfer coefficient in formula, K take 40W/m2·℃.
A----- total heat conduction area
Δtm----logarithmic mean temperature difference (LMTD)；
TCooling air entersAs environment temperature
TCooling air goes outAs environment temperature+Δ t2
Total heat conduction area A, the as theoretical heat exchange area of water cooling core can be calculated；
According to the theoretical heat exchange area being calculated, air cooling core can be designed, designed air cooling core actually changes
Heat area has to be larger than air cooling core theory heat exchange area.
The oil gas that embodiment provides combines the heat exchanger of heat exchange, and the flow of the screw rod oil of applied air compressor is
165L/min, the inlet temperature of screw rod are 85 DEG C, it is desirable that for outlet temperature not above 60 DEG C, air compresses the flow of contracting machine
30m3/ min, the inlet temperature of compressed air are 85 DEG C, it is desirable that outlet temperature is not above+12 DEG C of environment temperature, according to above-mentioned
Data can calculate the heat radiation power Q of the gentle cold core body of fuel-displaced cold core bodyOilAnd QGas, and what is calculated obtains fuel-displaced cold core body and air cooling
The theoretical heat exchange area of core designs the gentle cold core of oily cold core body according to the theoretical heat exchange area of the gentle cold core body of oily cold core body
Body, oily cold core body include 43 layers of internal channel and 43 layers of outer tunnel, and the cold inner fin 4 of oil of oily cold core body uses 3.0 height sawtooth patterns
Fin, air cooling core include 10 layers of internal channel and 11 layers of outer tunnel, and the air cooling inner fin 3 for the core that is gas-cooled uses 4.7 height sawtooth
Type fin, outer fin 6 use 9.5 serrated fins, partition 2 with a thickness of 0.5mm, upper and lower connecting plate 101,102 with a thickness of 3mm,
Assembling air cooling core, then organizes charge of oil cold core body, is completed and carries out integral braze-welded, the size of entire core is height after integral braze-welded
749mm, long 700mm, thick 100mm, oily cold core body after installing, calculating heat exchange amount according to formula Q=KF Δ tm is
135KW meets screw rod cooling requirements, and be gas-cooled core, and calculating heat exchange amount according to formula Q=KF Δ tm is 32KW, meets
Compressed air cooling requirements, wherein F is the practical heat exchange area of the gentle cold core body of oily cold core body
Above description is explanation of the invention, is not intended to limit the invention, and limited range of the present invention is referring to right
It is required that the present invention can make any type of modification without prejudice to basic structure of the invention.
Claims (4)
1. the heat exchanger that a kind of oil gas combines heat exchange, it is characterised in that: including core (1), the connection of core (1) upper and lower end is upper and lower
Connecting plate (101,102), core (1) include the air cooling core and oily cold core body, the air cooling core and oily cold core connected above and below
Body includes internal channel, and the internal channel includes upper and lower partition (2), is set between the upper and lower partition (2) for the core internal channel that is gas-cooled
Set air cooling inner fin (3), the cold inner fin (4) of setting oil between the upper and lower partition (2) in channel in oily cold core body, in the air cooling
Fin (3) and cold inner fin (4) front and back ends of oil are respectively provided with long strip of paper used for sealing (5), form outer tunnel between the adjacent internal channel, outside
Outer fin (6) is set in channel, and short strip of paper used for sealing (7) is arranged in outer fin (6) front and back ends, and air cooling core two sides connect left and right gas
Cold house (8,9), the left and right oily cold house (10,11) of oily cold core body two sides connection, the left and right aircooling cabinet (8,9) connect gas into and out of
Mouth (12,13), the left and right oily cold house (10,11) connect oily import and export (14,15).
2. the heat exchanger that oil gas according to claim 1 combines heat exchange, it is characterised in that: left aircooling cabinet (8) connection
Gas import (12), right aircooling cabinet (9) connection gas outlet (13), the gas import (12) and air cooling inner fin (3) arranged direction are hung down
Directly, the gas outlet (13) is parallel with air cooling inner fin (3) arranged direction.
3. the heat exchanger that oil gas according to claim 1 combines heat exchange, it is characterised in that: the cold house Zuo You (10) passes through
Partition is divided into inlet space (16) and out grease chamber (17), and the inlet space (16) connects oil inlet (14), out grease chamber (17) connection oil
It exports (15).
4. the heat exchanger that oil gas according to claim 1 combines heat exchange, it is characterised in that: the air cooling core upper end and oil
Cold core body lower end is all connected with the aluminium row (18) for offering mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811421337.4A CN109579576A (en) | 2018-11-27 | 2018-11-27 | A kind of oil gas combines the heat exchanger of heat exchange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811421337.4A CN109579576A (en) | 2018-11-27 | 2018-11-27 | A kind of oil gas combines the heat exchanger of heat exchange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109579576A true CN109579576A (en) | 2019-04-05 |
Family
ID=65924676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811421337.4A Pending CN109579576A (en) | 2018-11-27 | 2018-11-27 | A kind of oil gas combines the heat exchanger of heat exchange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109579576A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6394176B1 (en) * | 1998-11-20 | 2002-05-28 | Valeo Thermique Moteur | Combined heat exchanger, particularly for a motor vehicle |
| CN202470844U (en) * | 2012-03-05 | 2012-10-03 | 烟台冰轮换热技术有限公司 | Aluminum plate fin type coal-bed methane cooler |
| CN104567469A (en) * | 2014-12-26 | 2015-04-29 | 无锡久盛换热器有限公司 | Compact oil-air cooler |
| CN105157468A (en) * | 2015-09-30 | 2015-12-16 | 无锡博利达换热器有限公司 | Anti-impact-force oil gas cooler |
| CN206073794U (en) * | 2016-08-31 | 2017-04-05 | 无锡方盛换热器股份有限公司 | A kind of Novel oil gas cooler |
-
2018
- 2018-11-27 CN CN201811421337.4A patent/CN109579576A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6394176B1 (en) * | 1998-11-20 | 2002-05-28 | Valeo Thermique Moteur | Combined heat exchanger, particularly for a motor vehicle |
| CN202470844U (en) * | 2012-03-05 | 2012-10-03 | 烟台冰轮换热技术有限公司 | Aluminum plate fin type coal-bed methane cooler |
| CN104567469A (en) * | 2014-12-26 | 2015-04-29 | 无锡久盛换热器有限公司 | Compact oil-air cooler |
| CN105157468A (en) * | 2015-09-30 | 2015-12-16 | 无锡博利达换热器有限公司 | Anti-impact-force oil gas cooler |
| CN206073794U (en) * | 2016-08-31 | 2017-04-05 | 无锡方盛换热器股份有限公司 | A kind of Novel oil gas cooler |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190405 |