CN108662914A - A kind of straight channel air cooled condenser - Google Patents
A kind of straight channel air cooled condenser Download PDFInfo
- Publication number
- CN108662914A CN108662914A CN201710212805.6A CN201710212805A CN108662914A CN 108662914 A CN108662914 A CN 108662914A CN 201710212805 A CN201710212805 A CN 201710212805A CN 108662914 A CN108662914 A CN 108662914A
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- China
- Prior art keywords
- heat transfer
- air
- heat
- cooled condenser
- transfer unit
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Links
- 238000012546 transfer Methods 0.000 claims abstract description 89
- 238000005086 pumping Methods 0.000 claims abstract description 30
- 230000000740 bleeding effect Effects 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000003570 air Substances 0.000 description 62
- 239000007789 gas Substances 0.000 description 25
- 238000009833 condensation Methods 0.000 description 17
- 230000005494 condensation Effects 0.000 description 17
- 238000001816 cooling Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 6
- 235000011941 Tilia x europaea Nutrition 0.000 description 6
- 239000004571 lime Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 239000002826 coolant Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000926 separation method 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
- F28B1/02—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using water or other liquid as the cooling medium
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention relates to heat exchange equipment technologies, more particularly to a kind of straight channel air cooled condenser, heat transfer module including wind turbine and set on wind turbine side, heat transfer module includes the heat transfer unit and pumping cells being obliquely installed, the medium inlet header being connected to heat transfer unit upper end and the media outlet header being connected to heat transfer unit lower end, the pumping cells are set to heat transfer unit side and its lower end is connected with outlet header, pumping cells upper end is equipped with bleeding point, compared with traditional condenser, the present invention has equipment volume small, it is light-weight, low energy consumption, the advantages that water-saving performance is good.
Description
Technical field
The present invention relates to heat exchange equipment technology more particularly to a kind of straight channel air cooled condensers.
Background technology
Air cooled condenser is one kind of heat exchanger, condenses hot process gases or steam using low-temperature receiver, is cooled to
Liquid, in the industries such as petrochemical industry, food, electric power, metallurgy on have extensive application.
Traditional condenser is segmented into three kinds from operation principle, the first is to use water as low-temperature receiver to carry out medium
Condensation and cooling；Second is to use air as low-temperature receiver medium is condensed and cooled down；The third is to utilize air+water,
It is that cooling medium is condensed and cooled down to medium by the evaporation of water using air as carrier with water.
With the development of industry, device is increasingly stringenter requirement of saving water and energy, the condensation using cooling water as low-temperature receiver
Device is gradually used air or air+water is substituted as the condenser of low-temperature receiver.
Using air as the condenser of low-temperature receiver, i.e. dry air cooled heat exchanger, cooling medium is used air as, air needs wind turbine
Drive, in addition to this do not need additional auxiliary system substantially, in addition, in winter when, only rely on the free convection of air
It is cooling, it can also meet medium condensation, cooling requirement, low energy consumption, and effect of saving water and energy protrudes.
Using air+water as the condenser of low-temperature receiver, i.e. wet air cooler and evaporation air cooler, cooling Jie is used air as
Matter, and consume part water resource and cool down to air humidification, improve evaporation intensity and efficiency.
Operating mode, existing air cooler generally existing are cooled down for the condensation of steam exhaust, negative pressure process gas
There are following points：
(1) heat transfer efficiency is relatively low；
(2) it is difficult to meet small temp-difference condensing, cooling duty requirements；
(3) condensation vessel volume is big, takes up a large area；
(4) lime set detaches and to dredge effect poor, and continuous operation easily causes system fluctuation；
(5) fixed gas pumping effect is poor, and entrained liquid causes system pumping load big.
Invention content
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, a kind of heat transfer effect is provided
Rate is high, the straight channel air cooled condenser that condensation effect is good, pumping load is low.
The present invention is to be achieved by the following technical programs：
A kind of straight channel air cooled condenser, including wind turbine and the heat transfer module set on wind turbine side, the heat transfer module
The medium inlet header being connected to heat transfer unit upper end including the heat transfer unit and pumping cells being obliquely installed and and heat transfer unit
The media outlet header of lower end connection, the pumping cells are set to heat transfer unit side and its lower end is connected with outlet header,
Pumping cells upper end is equipped with bleeding point, and the heat transfer unit and pumping cells include multiple heat transferring plates arranged side by side, phase
Composition carries the plate pair of medium runner between adjacent heat transferring plate, and gas through-flow gap, the wind turbine are equipped between adjacent panels pair
It drives air over gas through-flow gap and passes through heat transfer module.
Air intake of the heat transfer module in gas through-flow gap is provided with spray pipeline, and heat transfer module is in gas through-flow
The air outlet slit in gap is provided with water tank.
The quantity of the heat transfer module is for one group or multigroup.
The wind turbine is air-introduced machine.
Entrance side of the heat transfer module in gas through-flow gap is equipped with a plurality of pull rod or lacing wire with outlet side.
The heat transferring plate is corrugated cardboard sheet.
The corrugated cardboard sheet includes main heat-transfer area, is uniformly distributed in the heat transfer ripple and flow-disturbing ripple of main heat-transfer area；Multiple
The corrugated cardboard sheet group poststack distinguishes air flow channel and medium runner in corrugated cardboard sheet both sides；In the air flow channel, with main biography
On the basis of hot face, the projecting height of heat transfer ripple and flow-disturbing ripple is respectively less than the 1/2 of adjacent main heat transfer interplanar distance.
The beneficial effects of the invention are as follows：
(1) it is unobstructed bypass structure, no leeward and sky that heat transfer element, which uses single straight passage structures, air flow channel,
Gas stagnant area, air-side blockage are small；
(2) heat transfer module is arranged in wide-angle tilt, and top and the front and rear sides of heat transfer module can be used as air air inlet
Channel, incoming air area increase, and can effectively solve the problems, such as hot air circulation, equipment arrangement is more compact, and floor space is small；
(3) single straight passage structures are used, air and distribution of the cooling medium in heat transfer element runner can be effectively improved
Uniformity can effectively prevent surfusion；
(4) heat transfer module is arranged in wide-angle tilt, is conducive to quickly dredging for lime set, under gravity, liquid film
Thickness reduces, and further improves condensation efficiency, especially negative pressure condensing condition, the rapid condensation of lime set with dredge, can be effective
Ensure the stability of negative pressure system.
(5) adverse current pumping cells are used, the steam in adverse current pumping process in entrained liquid is condensed again, with fixed gas
Separation, can effectively reduce the load of extract system, ensure the stabilization of extract system.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram of the heat transfer module of the present invention；
Fig. 3 is the A direction views of Fig. 2.
Fig. 4 is the structural schematic diagram of the corrugated cardboard sheet of the present invention；
Fig. 5 is the structural schematic diagram that the present invention can arrange face-to-face；
In figure：1. bottom is prized, 2. water tanks, 3. motors, 4. impeller of blower, 5. wind turbine supporting racks, 6. medium inlet headers, 7. pass
Thermal modules, 8. spray pipelines, 9. media outlet headers, 10. corrugated cardboard sheets, 7-1. heat transfer units, 7-2. pumping cells, 7-3. take out
Gas port.
A:Medium runner；B：Air flow channel；h:Flow-disturbing wave height in air flow channel；H：Adjacent main heat-transfer area in air channel
Spacing.
Specific implementation mode
In order to make those skilled in the art more fully understand technical scheme of the present invention, below in conjunction with the accompanying drawings and most
The present invention is described in further detail for good embodiment.
As shown in Figure 1, the empty condenser of the present invention includes wind turbine 3 and the heat transfer module 7 set on wind turbine side, entire sky condenser
It can be fixed by the bottom sled 1 set on bottom by the wind turbine set on bottom, wind turbine is fixed on bottom by wind turbine supporting rack 5 to be prized,
Impeller of blower 4 just towards heat transfer module,
As shown in Figure 2 and Figure 3, it includes being obliquely installed heat transfer unit 7-1 and pumping cells 7-2 to constitute heat transfer module of the present invention,
The medium inlet header 6 being connected to heat transfer unit upper end and the media outlet header 7 being connected to heat transfer unit lower end, the pumping
Unit is set to heat transfer unit side and its lower end is connected with outlet header, and pumping cells upper end is equipped with bleeding point 7-3；
Preferably, air intake of the heat transfer module in gas through-flow gap is provided with spray pipeline 8, and heat transfer module exists
The air outlet slit in gas through-flow gap is provided with water tank 2.
3. straight channel membrane type sky condenser according to any one of claim 1 or 2, which is characterized in that the heat transfer
The quantity of module is for one group or multigroup.
Preferably, the wind turbine is air-introduced machine.
Preferably, entrance side of the heat transfer module in gas through-flow gap is equipped with a plurality of pull rod or lacing wire with outlet side,
The structural members such as pull rod, reinforcing rib are used to ensure the globality of heat transfer module.
As shown in figure 4, the heat transfer element of the heat transfer unit and pumping cells that constitute the present invention is corrugated cardboard sheet, multiple ripples
10 groups of poststacks of plate, plate pair of the composition with medium runner between adjacent heat transferring plate are logical equipped with gas between adjacent panels pair
Ebb interval, the wind turbine drive air over gas through-flow gap and pass through heat transfer module.
Corrugated cardboard sheet includes main heat-transfer area, is uniformly distributed in the heat transfer ripple and flow-disturbing ripple of main heat-transfer area；Described in multiple
Corrugated cardboard sheet group poststack, in corrugated cardboard sheet both sides difference air flow channel B and medium runner A；In the air flow channel, with main heat transfer
On the basis of face, the projecting height of heat transfer ripple and flow-disturbing ripple is respectively less than the 1/2 of adjacent main heat transfer interplanar distance, i.e., in air flow channel
The sides B, contactless between ripple, medium, which can be led directly to, to be passed through.
In conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, the course of work of the invention is：
The medium for needing condensation cooling is entered by the interface in the header of medium inlet, and be condensed cooling in heat transfer module
Medium afterwards is discharged by the interface in media outlet header, and the fixed gas condensed in medium after cooling is taken out by bleeding point
Go out；Air is driven by wind turbine, is horizontally through heat transfer module, is cooled down to the medium in heat transfer module, when ambient air temperature compared with
In the case that high or thermic load is larger, by spray to air humidification, cooling, condensation cooling efficiency is improved.
Heat transfer module arranges that the top of heat transfer unit is connected with medium inlet header in wide-angle tilt, and heat transfer unit is vertical
It is connected to the upper end of runner A with medium inlet header, the lower part of heat transfer unit is connected with media outlet header, Jie of heat transfer unit
The lower end of mass flow road A is connected to media outlet header；The lower part of pumping cells is connected with media outlet header, and pumping cells are indulged
It is connected to the lower end of runner A with media outlet header, the upper end of pumping cells longitudinal direction runner A is connected to exhaust port.Heat transfer is single
The side of first transverse flow channels is connected to framework water tank, and other side is connected to spray framework, similarly, pumping cells transverse flow channels
The same side be connected to framework water tank, other side with spray framework be connected to.
Cooling medium to be condensed is entered by the interface in the header of medium inlet, and then enters the medium runner of heat transfer unit
A exchanges heat with the air for the air flow channel B for being horizontally through heat transfer unit, and medium is condensed cooling, flows from above to below and converges
Collect media outlet header, also a small amount of liquid phase passes through the pumping cells that are connected to media outlet header to the entrainment of fixed gas in medium
Medium runner A lower ending openings at enter pumping cells, changed with the air for the air flow channel B for being horizontally through pumping cells
Heat, the liquid phase carried secretly in fixed gas flow back to media outlet header after being condensed again, and the fixed gas after dehumidifying then passes through bleeding point
It is extracted.
The present invention there are following innovative points：
(1) air flow channel road is interconnection, and heat transfer element wave height is less than the 1/2 of runner spacing, contactless, is nothing
The bypass structure blocked, no leeward and air stagnant area different from finned tube in the prior art and plate air cooler, air
Collateral resistance is small, and wind turbine pressure drop is small；
(2) heat transfer module is arranged in wide-angle tilt, wind turbine vertically-arranged, with ridge type air cooler in the prior art, board-like
Air cooler is compared, and the elongated direction of heat transfer element can be used as air intake surface, and incoming air area is big, simultaneously, the top of heat transfer module
Portion can be used as air air intake passage with former and later two end faces, efficiently solve the heat in ridge type air cooler, plate air cooler
Wind circulatory problems.When number of devices be more when, can arrange (as shown in Figure 5) face-to-face, can also be arranged side by side, equipment it
Between need not pull open spacing as air intake passage, equipment arranges more compact, floor space smaller；
(3) along air circulation direction, only row's heat transfer element, the medium for needing condensation cooling is distributed in vertical passage
Uniformly, it not will produce in tubular air cooler due to the Biased flow phenomenon that multi coil designs and often occurs, whole condensation can be effectively improved
Cooling effect, and surfusion can be effectively prevent；Heat transfer module is arranged in wide-angle tilt, is conducive to the quick of lime set
It dredges, under gravity, thickness of liquid film reduces, and can effectively ensure that the stability and continuity of condensation process, and then effectively
Improve condensation efficiency.For negative pressure condensing condition, the pressure stability of condenser system is most important to the continuity of condensation process, passes
Thermal modules are postponed in wide-angle tilt cloth, convenient for the rapid condensation of lime set with dredge, condensate film thickness is uniform, and condensation process is steady
It is fixed and continuous, and then the stability of condenser system pressure is effectively ensured.
(4) in pumping cells, the flow direction of fixed gas is flowed to lime set on the contrary, in pumping process, in fixed gas
Inevitably there are liquid phase entrainment, the liquid phase ingredient of entrainment is condensed again in the flow process from bottom to top, is conducting oneself with dignity
Effect is lower to be detached with fixed gas, and then realizes the dehumidification process of fixed gas, and the tolerance of fixed gas is greatly decreased with density, greatly
Width reduces the load of extract system, and the stabilization of extract system is effectively ensured.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of straight channel air cooled condenser, which is characterized in that the heat transfer module including wind turbine and set on wind turbine side, it is described
Heat transfer module includes the heat transfer unit and pumping cells being obliquely installed, the medium inlet header being connected to heat transfer unit upper end and with
The media outlet header of heat transfer unit lower end connection, the pumping cells are set on heat transfer unit side and its lower end and outlet header
It is connected, pumping cells upper end is equipped with bleeding point, and the heat transfer unit and pumping cells include multiple heat transfers arranged side by side
Plate, plate pair of the composition with medium runner between adjacent heat transferring plate are equipped with gas through-flow gap, institute between adjacent panels pair
It states wind turbine and drives air over gas through-flow gap across heat transfer module.
2. a kind of straight channel air cooled condenser according to claim 1, which is characterized in that the heat transfer module is in gas
The air intake of through-flow gap is provided with spray pipeline, and air outlet slit of the heat transfer module in gas through-flow gap is provided with water tank.
3. a kind of straight channel air cooled condenser according to any one of claim 1 or 2, which is characterized in that the biography
The quantity of thermal modules is for one group or multigroup.
4. a kind of straight channel air cooled condenser according to claim 3, which is characterized in that the wind turbine is air-introduced machine.
5. a kind of straight channel air cooled condenser according to claim 4, which is characterized in that the heat transfer module is in gas
The entrance side of through-flow gap is equipped with a plurality of pull rod or lacing wire with outlet side.
6. a kind of straight channel air cooled condenser according to claim 5, which is characterized in that the heat transferring plate is ripple
Plate.
7. a kind of straight channel air cooled condenser according to claim 6, which is characterized in that the corrugated cardboard sheet includes master
Heat-transfer area, the heat transfer ripple and flow-disturbing ripple for being uniformly distributed in main heat-transfer area；Multiple described corrugated cardboard sheet group poststacks, in corrugated plating
Distinguish air flow channel and medium runner in piece both sides；In the air flow channel, on the basis of main heat-transfer area, heat transfer ripple and flow-disturbing wave
The projecting height of line is respectively less than the 1/2 of adjacent main heat transfer interplanar distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710212805.6A CN108662914A (en) | 2017-04-01 | 2017-04-01 | A kind of straight channel air cooled condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710212805.6A CN108662914A (en) | 2017-04-01 | 2017-04-01 | A kind of straight channel air cooled condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108662914A true CN108662914A (en) | 2018-10-16 |
Family
ID=63784732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710212805.6A Pending CN108662914A (en) | 2017-04-01 | 2017-04-01 | A kind of straight channel air cooled condenser |
Country Status (1)
| Country | Link |
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| CN (1) | CN108662914A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1884949A (en) * | 2005-06-20 | 2006-12-27 | 张延丰 | Plate type air condenser |
| CN104034178A (en) * | 2014-06-06 | 2014-09-10 | 华北电力大学 | Plate-type evaporation air-cooling condenser |
| CN104279886A (en) * | 2014-10-09 | 2015-01-14 | 北京大学工学院包头研究院 | Direct air-cooled condensate header cooling system |
| CN205718592U (en) * | 2016-02-01 | 2016-11-23 | 天津华赛尔传热设备有限公司 | The corrugated board cluster of a kind of one side is contactless straight-through runner |
| CN206818002U (en) * | 2017-04-01 | 2017-12-29 | 天津华赛尔传热设备有限公司 | A kind of straight channel air cooled condenser |
-
2017
- 2017-04-01 CN CN201710212805.6A patent/CN108662914A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1884949A (en) * | 2005-06-20 | 2006-12-27 | 张延丰 | Plate type air condenser |
| CN104034178A (en) * | 2014-06-06 | 2014-09-10 | 华北电力大学 | Plate-type evaporation air-cooling condenser |
| CN104279886A (en) * | 2014-10-09 | 2015-01-14 | 北京大学工学院包头研究院 | Direct air-cooled condensate header cooling system |
| CN205718592U (en) * | 2016-02-01 | 2016-11-23 | 天津华赛尔传热设备有限公司 | The corrugated board cluster of a kind of one side is contactless straight-through runner |
| CN206818002U (en) * | 2017-04-01 | 2017-12-29 | 天津华赛尔传热设备有限公司 | A kind of straight channel air cooled condenser |
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Application publication date: 20181016 |