CN107843124A - Hybrid air cooling tubes condenser tube bank and the air cooling tubes condenser using the hybrid tube bank - Google Patents
Hybrid air cooling tubes condenser tube bank and the air cooling tubes condenser using the hybrid tube bank Download PDFInfo
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- CN107843124A CN107843124A CN201711059681.9A CN201711059681A CN107843124A CN 107843124 A CN107843124 A CN 107843124A CN 201711059681 A CN201711059681 A CN 201711059681A CN 107843124 A CN107843124 A CN 107843124A
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- finned tube
- air cooling
- cooling tubes
- tube
- current finned
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- 238000001816 cooling Methods 0.000 title claims abstract description 85
- 230000002411 adverse Effects 0.000 claims abstract description 110
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 15
- 230000000452 restraining effect Effects 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000003570 air Substances 0.000 description 111
- 239000007789 gas Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000007710 freezing Methods 0.000 description 5
- 230000008014 freezing Effects 0.000 description 5
- 230000002528 anti-freeze Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002631 hypothermal effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000699 topical effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
- F28B1/06—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using air or other gas as the cooling medium
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
-
- 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
- F28F1/34—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 extending obliquely
- F28F1/36—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 extending obliquely the means being helically wound fins or wire spirals
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of hybrid air cooling tubes condenser to restrain, including following current finned tube and adverse current finned tube, following current finned tube and adverse current finned tube are placed side by side, following current finned tube is arranged on the upstream for restraining the wind for carrying out heat exchange with air cooling tubes condenser, and the adverse current finned tube is arranged on the downstream for restraining the wind for carrying out heat exchange with air cooling tubes condenser.The hybrid air cooling tubes condenser tube bank of the present invention is heated by following current finned tube for adverse current finned tube, it is not necessary to which other ancillary heating equipments can prevent adverse current finned tube icing frozen block, energy-saving and environmental protection;In addition, following current finned tube and the arrangement of adverse current finned tube are compact, suitable for small units.The invention also discloses a kind of air cooling tubes condenser, the air cooling tubes condenser includes above-mentioned hybrid air cooling tubes condenser tube bank.
Description
Technical field
The present invention relates to heat-exchange apparatus field, and in particular to a kind of air cooling tubes condenser, more particularly to it is a kind of mixed using this
The air cooling tubes condenser of box-like air cooling tubes condenser tube bank.
Background technology
At present, air cooling tubes condenser is different from common air-cooled heat exchanger, and it is under subnormal ambient that turbine discharge is cold
A kind of product of condensate is congealed into, has been widely used for the various industry such as metallurgy, chemical industry, power station and scientific research and the neck such as civilian
Domain, finned tube are the nucleus equipments of air cooling tubes condenser.But existing air cooling tubes condenser equipment volume is generally larger, it is difficult to should
For small units or space.In addition, the following current finned tube and adverse current finned tube of existing air cooling tubes condenser are individually complete
, it is divided into following current tube bank and adverse current is restrained.Air cooling tubes condenser in the process of running, due to many reasons (for example, micro leakage),
Gas medium in air cooling tubes condenser tube bank can bring some non-medium on-condensible gases into, and non-medium on-condensible gas can not in tube bank
Disconnected accumulation, it is more and more.The non-medium on-condensible gas constantly accumulated can occupy the segment space inside tube bank, reduce and effectively change
Hot area, and resistance is produced to the media flow in tube bank, so as to form local " dead band " in tube bank.Due to most of steam
Following current tube bank in condense, flow through adverse current tube bank steam it is less, at severe cold (for example, subzero less than 20 degrees Celsius), lack portion
Divide water vapour to flow through " dead band " and be condensed into water and then be frozen into ice or directly sublimate into ice, trigger frozen pipe.Frozen pipe will
Exhaust effect is influenceed, or even pipe bursting by freezing can be caused, when steam discharge is not sufficiently effective, air cooling tubes condenser back pressure drastically raises, steam turbine
Operational efficiency declines.Further, existing air cooling tubes condenser be according to U.S.'s Heat Transfer Association HEI standards perform KD systems, following current and
Adverse current tube bank is divided into different units operation, it is impossible to realizes self heating function.It is few for element number and using seamless finned tube
Air cooling tubes condenser, KD systems can not play its advantage.
The content of the invention
For overcome the deficiencies in the prior art, an object of the present invention is that small units can be applied to by providing one kind
The tube bank of hybrid air cooling tubes condenser, hybrid air cooling tubes condenser tube bank can continuous heating without external auxiliary heater
Adverse current finned tube, prevent adverse current finned tube from frozen block occur, and then protect air cooling tubes condenser tube bank, improve exhaust effect, Jin Erti
Rise steam turbine operation efficiency.The second object of the present invention is to provide a kind of sky using above-mentioned hybrid air cooling tubes condenser tube bank
Cold condenser, the air cooling tubes condenser have above-mentioned hybrid air cooling tubes condenser tube bank it is all a little.
An object of the present invention adopts the following technical scheme that realization:
Hybrid air cooling tubes condenser tube bank, including following current finned tube and adverse current finned tube, the following current finned tube and adverse current
Finned tube is placed side by side, and the following current finned tube is arranged on the upstream for restraining the wind for carrying out heat exchange with air cooling tubes condenser,
The adverse current finned tube is arranged on the downstream for restraining the wind for carrying out heat exchange with air cooling tubes condenser.
Further, in addition to inlet chamber and discharge chamber, the entrance of the following current finned tube connect with the inlet chamber, institute
The outlet for stating adverse current finned tube connects with the discharge chamber, the outlet of the following current finned tube and the entrance of the adverse current finned tube
Connection.
Further, in addition to hybrid chamber, the hybrid chamber are provided with condensation water out, the outlet of the following current finned tube
Connected respectively with the hybrid chamber with the entrance of the adverse current finned tube.
Further, in addition to supporting plate and air extractor, the following current finned tube and the adverse current finned tube are vertically worn
The supporting plate is crossed, the air extractor connects with the discharge chamber.
Further, the following current finned tube is arranged to three rows and alongside one another, the adverse current finned tube set it is in a row,
Mutually stagger between the adjacent two alignments stream finned tube, the adjacent following current finned tube and adverse current finned tube mutually stagger.
Further, the following current finned tube and the adverse current finned tube include base tube and fin, and the fin is set
Into being spirally wound on base tube.
Further, the fin includes fin and connection side body, and the fin hangs down with the connection side body side
Direct-connected to connect, the connection side body is wound in base tube outer wall.
Further, the fin is provided with radially-arranged reinforcement.
Further, the reinforcement is fin or groove.
The second object of the present invention adopts the following technical scheme that realization:
Air cooling tubes condenser, including the hybrid air cooling tubes condenser tube bank described in any of the above-described.
Compared with prior art, the beneficial effects of the present invention are (including the air cooling of hybrid air cooling tubes condenser tube bank coagulates
Vapour device includes all advantages of the hybrid air cooling tubes condenser tube bank):
(1) following current finned tube and adverse current finned tube are placed side by side, and following current finned tube is arranged on and is used for and air cooling tubes condenser
Tube bank carries out the upstream of the wind of heat exchange, and adverse current finned tube is arranged on the wind for restraining progress heat exchange with air cooling tubes condenser
Downstream.During heat exchange, air first flows through following current finned tube, passes through adverse current finned tube, and air passes through heat after following current finned tube
Substantial amounts of heat is taken away in exchange, temperature rise, so equivalent to being exchanged heat again with adverse current finned tube after air is heated, due to
Air own temperature after heating is higher, when carrying out heat exchange with adverse current finned tube, can prevent that the temperature of adverse current finned tube is low
In freezing point, and then prevent adverse current finned tube icing frozen block.
(2) following current finned tube and adverse current finned tube are integrated into a piece of tube bank, structure relative compact, on the one hand can be passed through
Air after the heating of following current finned tube maintains the temperature of adverse current finned tube, plays antifreeze effect;On the other hand, can also pass through
Following current finned tube and adverse current finned tube are designed to placed side by side, can effectively reduce hybrid air cooling tubes condenser tube bank institute duty
Between, it is allowed to be applied to small units.
(3) caused hot air adverse current finned tube after being exchanged by following current fin tube heat, realizes that conducting self-heating is antifreeze,
Eliminate caused by outside other assisted heating devices heating adverse current finned tubes it is complicated, volume is excessive, production cost carries
The problems such as high, meanwhile, also achieve the efficient utilization of heat energy, energy-saving and environmental protection.
Brief description of the drawings
Fig. 1 is the overall structure diagram of invention air cooling tubes condenser;
Fig. 2 is the structural representation of hybrid air cooling tubes condenser tube bank shown in Fig. 1;
Fig. 3 is the overlooking the structure diagram of hybrid air cooling tubes condenser tube bank shown in Fig. 2;
Fig. 4 is profile of the hybrid air cooling tubes condenser tube bank along line A-A shown in Fig. 3;
Fig. 5 is the structural representation of finned tube;
Fig. 6 is the structural representation of fin shown in Fig. 5.
In figure:01st, hybrid air cooling tubes condenser tube bank;1st, following current finned tube;11st, base tube;12nd, fin;121st, fin;
122 connection side bodies;1211st, groove;1212nd, tearing notch;2nd, adverse current finned tube;3rd, inlet chamber;4th, discharge chamber;5th, hybrid chamber;51st, coagulate
Bear water outlet;6th, supporting plate;7th, air exhaust nozzle.
Embodiment
Below, with reference to accompanying drawing and embodiment, the present invention is described further, it is necessary to which explanation is, not
Under the premise of afoul, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
As shown in Figure 1-2, for one embodiment of the present invention air cooling tubes condenser dimensional structure diagram, the air cooling coagulates
Vapour device is in the font of falling A, including the hybrid air cooling tubes condenser severaled side by side restrains 01.
As shown in Fig. 2 be hybrid air cooling tubes condenser tube bank dimensional structure diagram, the hybrid air cooling tubes condenser pipe
Beam 01 includes following current finned tube 1 and adverse current finned tube 2, and the bottom righthand side of hybrid air cooling tubes condenser tube bank 01 is gas turbine exhaust gas
Entrance (inlet chamber 3 in corresponding diagram 1), the bottom righthand side of hybrid air cooling tubes condenser tube bank 01 is also including adverse current finned tube 2
Exhaust outlet (discharge chamber 4 in corresponding diagram 2), following current finned tube 1 and adverse current finned tube 2 are restrained from hybrid air cooling tubes condenser respectively
01 bottom righthand side extends to the left upper end of hybrid air cooling tubes condenser tube bank 01, and following current finned tube 1 and adverse current finned tube 2 are mixing
The left upper end connection of formula air cooling tubes condenser tube bank 01, now, 2 placement alongside one another of following current finned tube 1 and adverse current finned tube, and it is suitable
Stream finned tube 1 is located at the bottom of hybrid air cooling tubes condenser tube bank 01, and adverse current finned tube 2 is located at the tube bank of hybrid air cooling tubes condenser
01 top.In use, the A shapes open bottom of the hybrid air cooling tubes condenser of A fonts is provided with air blower, the wind that air blower is produced by boasting
Into in A font openings and through the arranged on left and right sides of the hybrid air cooling tubes condenser of A fonts, now, wind direction scatters in positive V-shaped
(directly being blown equivalent to wind from the bottom of hybrid air cooling tubes condenser tube bank 01 to top, as shown by the arrows in figure 2), thus, wind direction
It is suitable along the direction approximately perpendicular to hybrid air cooling tubes condenser tube bank 01 successively through following current finned tube 1 and through adverse current finned tube 2
Stream finned tube 1 be located at for air cooling tubes condenser tube bank 01 carry out heat exchange wind upstream, adverse current finned tube 2 be located at for
Air cooling tubes condenser tube bank 01 carries out the downstream of the wind of heat exchange, meanwhile, during cool ambient air passes through suitable, adverse current finned tube
Conducted heat.Air first flows through following current finned tube 1, passes through adverse current finned tube 2, air is after following current finned tube 1, Air Temperature
Degree rise, air can heat adverse current finned tube 2 when carrying out heat exchange with adverse current finned tube 2 again, prevent the temperature of adverse current finned tube 2
Degree is below the freezing point, and then prevents the icing frozen block of adverse current finned tube 2.Adverse current finned tube is heated by the following current finned tube 1 in device
2, without outside other assisted heating devices, energy-saving and environmental protection.Simultaneously as following current finned tube 1 and the structure phase of adverse current finned tube 2
To compact, effectively reduce hybrid air cooling tubes condenser tube bank and taken up space, small volume, be allowed to be applied to small units.
As preferred embodiment, as shown in Fig. 2 the hybrid air cooling tubes condenser tube bank 01 can also include inlet chamber
3 and discharge chamber 4, the right-hand member (entrance) of following current finned tube 1 connected with inlet chamber 3, the right-hand member (outlet) of adverse current finned tube 2 and exhaust
Chamber 4 connects, and the left end (outlet) of following current finned tube 1 connects with the left end (entrance) of adverse current finned tube 2.When high caused by steam turbine
After temperature exhaust enters inlet chamber 3, enter by the steam distributional effects of inlet chamber 3 in following current finned tube 1 to the left, it is now, suitable
Heat exchange is carried out between the cold air that stream finned tube 1 and air blower drum come up;Then, high-temperature exhaust air is through the left end of following current finned tube 1
Outlet enter the entrance of the left end of adverse current finned tube 2, and then be transported to adverse current finned tube 2, now, adverse current finned tube 2 is with
Continue heat exchange between the cold air that face air blower drum comes up;Finally, uncooled small part exhaust is through adverse current finned tube 2
The gas outlet of right-hand member is transported to discharge chamber 4, is then discharged via discharge chamber 4.Can reasonably it be distributed by the inlet chamber 3 of setting
Steam turbine high-temperature is vented, the air pressure and steam flow that balance enters in each following current finned tube 1 so that each following current finned tube changes
It is hot uniform, avoid the uneven situation of the heat exchanges such as topical hypothermia/high temperature;By setting discharge chamber 4, facilitate small part uncooled
The unified discharge of gas, it can equally balance the air pressure of each adverse current finned tube 2;Right-hand member of the high-temperature steam from following current finned tube 1
It is transported to left end to promote mainly by air pressure, the left end of high-temperature steam from adverse current finned tube 2 is transported to right-hand member discharge chamber 4, except having
Outside the effect that air pressure promotes, hot-air autologous density is small, buoyancy also plays greatly effect, and two kinds of active forces are assisted into inverse jointly
The small part uncondensed gas medium discharge in finned tube 2 is flowed, prevents from forming " dead band " and freezes.
As shown in Figure 1-2, the hybrid air cooling tubes condenser tube bank 01 can also include being arranged on its bottom (i.e. left upper end)
Hybrid chamber 5, the bottom of hybrid chamber 5 is also provided with condensing water out 51, the high order end and adverse current fin of following current finned tube 1
The high order end of pipe 2 is connected with hybrid chamber 5 respectively, and thus, following current finned tube 1 and adverse current finned tube 2 are realized mutually in hybrid chamber 5
Connection, because hybrid chamber 5 be in suitable, adverse current finned tube high order end, caused condensate can be along suitable, inverse after steam condenses
Flow finned tube and be oriented to hybrid chamber 5, and then discharge outside hybrid air cooling tubes condenser, facilitate the collection of condensate, meanwhile, hybrid chamber 5
Volume it is larger, more condensate can be accommodated, avoid condensing that water slug is suitable, adverse current finned tube is even in suitable, adverse current fin
Pipe freezes.In the present embodiment, condensing water out 51 can also connect with suction pump, and by drawing water, pumped condensate can add
Rapid hardening bears water discharge, avoids the situation for condensing water freezing frozen block from occurring.
As shown in Fig. 2 the hybrid air cooling tubes condenser tube bank 01 can also include supporting plate 6 and air extractor, supporting plate 6
The hole suitable with the pipe diameter size of following current finned tube 1 and adverse current finned tube 2 is provided with, following current finned tube 1 and adverse current finned tube 2 are equal
Wearing vertically passing supporting plate 6, (in other embodiments, following current finned tube 1 and adverse current finned tube 2 can also be arranged to tilt through branch
Fagging 6), thus, supporting plate 6 plays a part of fixed following current finned tube 1 and adverse current finned tube 2, prevents following current finned tube 1 and inverse
Finned tube 2 is flowed because of heated or other reason deformations, thereby guarantees that the distance between following current finned tube 1 and adverse current finned tube 2 perseverance
Fixed, outside air can be useable immediately for heating adverse current finned tube 2, avoid adverse current finned tube 2 after the heating of following current finned tube 1
Because deformation causes the distance between following current finned tube 1 and adverse current finned tube 2 to increase, so that it cannot fully heating adverse current finned tube
2, trigger the frozen block of adverse current finned tube 2.Discharge chamber 4 is provided with air exhaust nozzle 7, and air extractor (for example, it may be aspiration pump) is by taking out
Valve 7 connects with discharge chamber 4, thus, the non-medium fixed gas being trapped in in adverse current finned tube 2 is extracted out by air extractor
Body, prevent non-medium on-condensible gas to be deposited in adverse current finned tube 2, increase steam transmission resistance, meanwhile, it also avoid non-medium
On-condensible gas forms " dead band ", and adverse current finned tube 2 constantly receives the high-temperature steam heating in following current finned tube 1, is unlikely to
Initiation topical hypothermia or even the frozen block that freezes.
As shown in Figure 3-4, coagulated for the profile of the hybrid air cooling tubes condenser tube bank 01 along line A-A, the hybrid air cooling
Vapour device tube bank 01 can include three alignment stream finned tubes 1 and tile horizontally that tile horizontally restrains 01 bottom in air cooling tubes condenser
Row's adverse current finned tube 2 at the top of air cooling tubes condenser tube bank 01, between adjacent two alignments stream finned tube 1 and adjacent row following current
Be equally spaced between finned tube 1 and adverse current finned tube 2, now, three alignment stream finned tubes 1 it is parallel to each other and further with a row
Adverse current finned tube 2 is parallel, mutual dislocation between three alignment stream finned tubes 1 and between following current finned tube 1 and adverse current finned tube 2
(the following current finned tube 1 that guarantee is arranged on upstream will not block the following current finned tube 1 of wind downstream, and ensure the suitable of upstream
Stream finned tube 1 will not block the adverse current finned tube 2 of wind downstream, and thus, cold wind fully carries out hot friendship with each finned tube
Change).The external world can be preferably heated through substantial amounts of experimental exploration and tight thermal technology modeling and analysis, three alignment stream finned tubes 1
Cold air, now, the cold air of heating are transferred to adverse current finned tube 2 and heat adverse current finned tube 2 by shorter distance, both protect
Having demonstrate,proved the shorter path arrival adverse current finned tube 2 of the cold air process heated, (Path too long is easily cooled down, and heat energy can not be transferred to
Adverse current finned tube 2), while also ensure that the hot-air that the periphery of three alignment stream finned tube 1 is formed is sufficient to maintain adverse current fin
The temperature of pipe 2, it is unlikely to as little as below freezing, prevents frozen block.In addition, between three alignment stream finned tubes 1 and following current finned tube 1
The mutual dislocation between adverse current finned tube 2, the following current finned tube 1 at front row is thus avoided to block the following current wing that air stream reaches heel row
Piece pipe 1 and air stream reach the adverse current finned tube 2 of heel row, are unlikely to be formed between heat exchange air and adverse current finned tube
" dead band ", suitable, adverse current finned tube uniformly contact with heat exchange air, lift heat transfer property;Suitable, the adverse current wing of mutual dislocation design
Piece pipe can guide air stream to form the flow direction of bending, thus increase the contact area between air and single finned tube and heat is handed over
Change the time, raising heat exchanging efficiency (including cold air absorbs heat that following current finned tube 1 diffuses out and adverse current finned tube 2 is inhaled
Receive the heat that the air after carrying out self-heating comes out).In the present embodiment, the caliber of adverse current finned tube 2 is slightly larger than following current wing
The caliber of piece pipe 1, thus, convenient steam and the non-condensing gas collected by row's adverse current finned tube 2 in three alignment stream finned tubes 1
Body, meanwhile, the bigger adverse current finned tube 2 of caliber has larger pipe internal volume, is not easy to block adverse current wing because of condensate frozen block
Piece pipe 2.In the present embodiment, following current wing is preferably used by substantial amounts of experimental exploration and tight thermodynamic metering, the present embodiment
Piece pipe 1 totally 98, the arrangement mode of totally 26 of adverse current finned tube 2, has more preferable antifreeze and heat exchange effect.
As shown in figure 5, be following current finned tube 1 and the structural representation of adverse current finned tube 2, the following current finned tube 1 and adverse current
Finned tube 2 may each comprise base tube 11 and fin 12, the exhaust of the internal circulation steam turbine of base tube 11, the outside tube wall of base tube 11 with
Fin 12 connects and for conducting heat, the spiral winding base tube 11 of fin 12.Thus, when air stream flows in face of fin 12, due to
It is arranged to spiral form, increase air stream passes through resistance during fin 12, and guiding air stream changes flow direction, forms flow-disturbing, and then
Increase the contact area between air stream and fin 12, extend heat exchanger time, raising heat exchanging efficiency.
As shown in fig. 6, be the structural representation of fin 12, the fin 12 can include in the form of sheets and radially (footpath herein
To that can be completely along the radial distribution of the cross section of base tube 11, the cross section for deviateing base tube 11 be tilted also or slightly) direction extension
Fin 121 and connection side body 122, fin 121 and be connected side body 122 lower vertical connection, connect side body 122 wind
In the outer wall of base tube 11.Thus, the outer wall of base tube 11 is wound in by connecting side body 122, fin 121 is approximately parallel to base tube 11
Cross section, heat is diffused out when gas turbine exhaust gas enters finned tube, and heat is conducted to fin 121, and then by fin
Heat exchange between 121 and cool ambient air distributes;Fin 121 is arranged to be wound in base tube by connecting side body 122
The mode of 11 outer walls is installed to the outer wall of base tube 11, and installation procedure is simple, and production cost is low.
As seen in figs. 5-6, be also provided with above-mentioned fin 121 along base tube 11 radially (it is identical with above-mentioned " radial direction ",
Can be radially completely along the radial distribution of the cross section of base tube 11 herein, tilt also or slightly the cross section for deviateing base tube 11) row
The reinforcement of cloth.Reinforcement can strengthen the structural strength of fin 121, prevent from bending fin 121 when air stream is stronger
Or compressive strain, it is unlikely to occur being bonded to each other caused by deformation between fin 121, ensure that the radiating of fin 121
Effect.In the present embodiment, reinforcement can be raised line or fin, and raised line or fin uniformly divide along the circumferencial direction of base tube 11
Cloth, there is good support fin 121, prevent the bending deformation of fin 121.In other embodiments, reinforcement
Can also be groove 1211, as shown in fig. 6, groove 1211 in addition to above-mentioned fixation, supporting role, cleans fin 12
When, also can be by the guide functions draining-off sewage of groove 1211, convenient cleaning.Either raised line, fin or groove 1211,
Flow-disturbing can be formed on the surface of fin 121, increase the contact area between fin 121 and air, extend heat exchanger time, carry
Rise heat exchanger effectiveness.In the present embodiment, raised line, fin or groove 1211 are bonded the inner edge of base tube 11 from fin 121
Outer rim is extended to, in other embodiments, the length of raised line, fin or groove 1211 can suitably shorten, and have identical
Effect.In the present embodiment, as shown in figure 5, the distal end (i.e. outermost edge) of groove 1211 is additionally provided with tearing notch 1212,
It is convenient that fin 121, fast quick-detach are torn by outer peripheral tearing notch 1212 when needing disengaging section or whole fins 12
Some or all of fin 12.
Above-mentioned embodiment is only the preferred embodiment of the present invention, it is impossible to the scope of protection of the invention is limited with this,
The change and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed scope.
Claims (10)
1. hybrid air cooling tubes condenser tube bank, including following current finned tube and adverse current finned tube, it is characterised in that:The following current fin
Pipe and adverse current finned tube are placed side by side, and the following current finned tube is arranged on the wind that heat exchange is carried out for being restrained with air cooling tubes condenser
Upstream, the adverse current finned tube be arranged on for air cooling tubes condenser restrain carry out heat exchange wind downstream.
2. hybrid air cooling tubes condenser tube bank as claimed in claim 1, it is characterised in that:Also include inlet chamber and discharge chamber,
The entrance of the following current finned tube connects with the inlet chamber, and the outlet of the adverse current finned tube connects with the discharge chamber, institute
The outlet for stating following current finned tube connects with the entrance of the adverse current finned tube.
3. hybrid air cooling tubes condenser tube bank as claimed in claim 2, it is characterised in that:Also include hybrid chamber, the mixing
Chamber is provided with condensation water out, the outlet of the following current finned tube and the entrance of the adverse current finned tube respectively with the hybrid chamber
Connection.
4. hybrid air cooling tubes condenser tube bank as claimed in claim 3, it is characterised in that:Also include supporting plate and pumping fills
Put, the following current finned tube and the adverse current finned tube pass perpendicularly through the supporting plate, the air extractor and the discharge chamber
Connection.
5. hybrid air cooling tubes condenser tube bank as claimed in claim 4, it is characterised in that:The following current finned tube is arranged to three
Arrange and alongside one another, the adverse current finned tube setting is in a row, mutually staggers between the adjacent two alignments stream finned tube, described
Adjacent following current finned tube and adverse current finned tube mutually stagger.
6. the hybrid air cooling tubes condenser tube bank as described in claim any one of 1-5, it is characterised in that:The following current finned tube
Include base tube and fin with the adverse current finned tube, the fin is arranged to be spirally wound on base tube.
7. hybrid air cooling tubes condenser tube bank as claimed in claim 6, it is characterised in that:The fin includes fin and company
Edge fit body, the fin and the connection side body side vertical connection, the connection side body are wound in base tube outer wall.
8. hybrid air cooling tubes condenser tube bank as claimed in claim 7, it is characterised in that:The fin, which is provided with, radially to be divided
The reinforcement of cloth.
9. hybrid air cooling tubes condenser tube bank as claimed in claim 8, it is characterised in that:The reinforcement is fin or ditch
Groove.
10. air cooling tubes condenser, it is characterised in that:Including the hybrid air cooling described in the claims 1,2,3,4,5,7,8 or 9
Bank of condenser pipes.
Priority Applications (1)
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109631610A (en) * | 2019-02-22 | 2019-04-16 | 隆华科技集团(洛阳)股份有限公司 | A kind of compound heat-exchanging tube bundle of concurrent-countercurrent |
CN109916188A (en) * | 2019-04-19 | 2019-06-21 | 泰州金泰环保热电有限公司 | A kind of low-pressure steam condenser for firepower electrical plant |
CN112683077A (en) * | 2020-12-25 | 2021-04-20 | 山西德望节能科技有限公司 | Energy-saving natural convection air cooling tower |
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GB900407A (en) * | 1958-12-24 | 1962-07-04 | Happel Ges Mit Beschraenkter H | Improvements in air cooled vapor condensers |
EP1528345A1 (en) * | 2003-11-03 | 2005-05-04 | Ho-Hsin Wu | Evaporative condenser without cooling fins |
CN204461124U (en) * | 2014-11-27 | 2015-07-08 | 山东盛宝传热科技有限公司 | A kind of tube bank of counter flow evaporative condenser |
CN207600241U (en) * | 2017-11-01 | 2018-07-10 | 杭州国能汽轮工程有限公司 | Hybrid air cooling tubes condenser tube bank and the air cooling tubes condenser using the hybrid tube bank |
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Publication number | Priority date | Publication date | Assignee | Title |
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GB900407A (en) * | 1958-12-24 | 1962-07-04 | Happel Ges Mit Beschraenkter H | Improvements in air cooled vapor condensers |
EP1528345A1 (en) * | 2003-11-03 | 2005-05-04 | Ho-Hsin Wu | Evaporative condenser without cooling fins |
CN204461124U (en) * | 2014-11-27 | 2015-07-08 | 山东盛宝传热科技有限公司 | A kind of tube bank of counter flow evaporative condenser |
CN207600241U (en) * | 2017-11-01 | 2018-07-10 | 杭州国能汽轮工程有限公司 | Hybrid air cooling tubes condenser tube bank and the air cooling tubes condenser using the hybrid tube bank |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109631610A (en) * | 2019-02-22 | 2019-04-16 | 隆华科技集团(洛阳)股份有限公司 | A kind of compound heat-exchanging tube bundle of concurrent-countercurrent |
CN109916188A (en) * | 2019-04-19 | 2019-06-21 | 泰州金泰环保热电有限公司 | A kind of low-pressure steam condenser for firepower electrical plant |
CN112683077A (en) * | 2020-12-25 | 2021-04-20 | 山西德望节能科技有限公司 | Energy-saving natural convection air cooling tower |
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