CN209147756U - A kind of clammy surface condenser - Google Patents
A kind of clammy surface condenser Download PDFInfo
- Publication number
- CN209147756U CN209147756U CN201821593209.3U CN201821593209U CN209147756U CN 209147756 U CN209147756 U CN 209147756U CN 201821593209 U CN201821593209 U CN 201821593209U CN 209147756 U CN209147756 U CN 209147756U
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- China
- Prior art keywords
- heat
- exchanging tube
- clammy
- tube bundle
- surface condenser
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- 206010009866 Cold sweat Diseases 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000000498 cooling water Substances 0.000 claims description 16
- 239000003657 drainage water Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010248 power generation Methods 0.000 abstract description 3
- 238000010977 unit operation Methods 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 description 8
- 238000009792 diffusion process Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 5
- 230000000740 bleeding effect Effects 0.000 description 4
- 230000003749 cleanliness Effects 0.000 description 4
- 230000005494 condensation Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000000452 restraining effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to thermal power generation field of energy-saving technology, disclose a kind of clammy surface condenser.The clammy surface condenser includes inlet plenum (1), recirculated water intake chamber (2), recirculated water drip chamber (3), multiple heat-exchanging tube bundles (4), hot well (5) and collection chamber (6), wherein, the multiple heat-exchanging tube bundles (4) being connected between the recirculated water intake chamber (2) and recirculated water drip chamber (3) are vertically arranged, the inlet plenum (1) is trapped among center by the multiple heat-exchanging tube bundles (4) being vertically arranged, the entrance of the inlet plenum (1) is set to the top of heat-exchanging tube bundle (4), the hot well (5) is set to the bottom end of heat-exchanging tube bundle (4), the collection chamber (6) is set to the outside of the heat-exchanging tube bundle (4), for collecting gas not condensed in condenser.The condenser structure is simple, and moisture film thermal resistance is low, and the water side coefficient of heat transfer is high, while improving heat exchange efficiency, is able to ascend the economy and reliability of unit operation.
Description
Technical field
The utility model relates to thermal power generation field of energy-saving technology, more particularly to a kind of clammy surface condenser.
Background technique
The quality of condenser working performance directly influences the economy and reliability of power-plant operation.Thermal power generation at present
The clammy condenser of unit mostly uses greatly horizontal tube bundle, usually forms moisture film, non-condensing steam on tube bank surface after steam condensation
Heat exchange with cooling water is other than wall resistance, and there are also additional moisture film thermal resistances.In addition, due to using horizontal tube bundle, cooling water
The gas and dirt of carrying are also easier to retain in tube bank, cause tube wall cleanliness factor to reduce, water side thermal resistance increases.Also,
For different operating conditions, there is also notable difference, bleeding point often deviates from Fei Ning air accumulation area for the position in Fei Ning air accumulation area.
These factors cause the heat exchange efficiency of condenser and the degree of supercooling of vacuum degree reduction, condensed water to increase, and huge energy is caused to damage
It loses, there is great influence to the economy and reliability of unit operation.
Accordingly, it is desirable to provide a kind of heat exchange is stablized, reliable condenser.
Utility model content
The purpose of this utility model is to overcome in the prior art due to restrain it is horizontally disposed so that cooling water carrying
Gas and dirt be also easier to retain in tube bank, cause tube wall cleanliness factor to reduce, water side thermal resistance increases, and different operating condition
Under non-solidifying air accumulation zone position difference lead to problems such as bleeding point deviate Fei Ning air accumulation area, provide a kind of clammy table
Face formula condenser, the condenser by be vertically arranged heat-exchanging tube bundle can be avoided cooling water carrying gas and dirt in tube bank
The deposition of wall, while can guarantee that restraining outer wall is not easy to form moisture film, improves the heat exchange efficiency of condenser, and then improve machine
The economy and reliability of group operation.
To achieve the goals above, the utility model provides a kind of clammy surface condenser, including inlet plenum, recirculated water
Intake chamber, recirculated water drip chamber, multiple heat-exchanging tube bundles, hot well and collection chamber, wherein be connected to the recirculated water intake chamber and follow
Multiple heat-exchanging tube bundles between ring water drip chamber are vertically arranged, and the multiple heat-exchanging tube bundles being vertically arranged are by the inlet plenum
It is trapped among center, the entrance of the inlet plenum is set to the top of heat-exchanging tube bundle, and the hot well is set to the bottom end of heat-exchanging tube bundle, institute
The outside that collection chamber is set to the heat-exchanging tube bundle is stated, for collecting gas not condensed in condenser.
Preferably, the recirculated water intake chamber is set to the lower section of the heat-exchanging tube bundle, the recirculated water drip chamber setting
In the top of the heat-exchanging tube bundle.
It is further preferred that the clammy surface condenser includes deflector, the deflector is horizontally placed on described
In inlet plenum.
It is further preferred that be L with the vertical range on vertex above and below the inlet plenum, with the deflector and it is described into
The vertical range on vertex is l on the point to the inlet plenum that gas chamber is connected1When, l1/ L=0.2-0.8.
Preferably, the clammy surface condenser includes porous plate, and the porous plate is vertically arranged at the heat exchanger tube
Between beam and the collection chamber.
Preferably, the outlet pipe of the hot well is equipped with condensate pump.
Preferably, cooling water intake pump is provided on the water inlet pipe of the recirculated water intake chamber.
Preferably, cooling water drainage water pump is provided on the outlet pipe of the recirculated water drip chamber.
Preferably, the clammy surface condenser includes air ejector, and the air ejector in the collection chamber for will receive
The gas of collection is discharged.
The utility model has the following beneficial effects:
(1) due to restraining vertical arrangement, condensed water is quickly flowed down along tube wall under the effect of gravity, and tube bank surface moisture film is very
Thin and be easy to tear, moisture film thermal resistance substantially reduces；
(2) due to restraining vertical arrangement, under gravity and buoyancy, the gas and dirt that cooling water carries are adhered to
The probability of heat transfer tube wall significantly reduces, and the water side coefficient of heat transfer is improved；
(3) due to using center by the way of vapour, circumferential diffusion condensation so that non-solidifying gas is gathered in outermost mostly,
Its position does not change with operating condition；
(4) condenser structure is simple, heat exchange efficiency and high reliablity.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the clammy surface condenser of the utility model；
Fig. 2 is a kind of arrangement mode of heat-exchanging tube bundle in the clammy surface condenser of the utility model；
Fig. 3 is another arrangement mode of heat-exchanging tube bundle in the clammy surface condenser of the utility model.
Description of symbols
1, condenser inlet plenum 2, recirculated water intake chamber
3, recirculated water drip chamber 4, heat-exchanging tube bundle
5, hot well 6, collection chamber
7, deflector 8, porous plate
9, condensate pump 10, cooling water intake pump
11, cooling water drainage water pump 12, air ejector
Specific embodiment
In the present invention, the noun of locality used such as " upper and lower, left and right " typically refer to reference to it is shown in the drawings it is upper,
Under, it is left and right；" inside and outside " refers to the inside and outside of the profile relative to each component itself.
The clammy surface condenser of the utility model is described in further detail with reference to the accompanying drawing, wherein institute
There is the identical feature of identical digital representation in attached drawing.
It is horizontally disposed based on heat-exchanging tube bundle in the prior art so that the gas that carries of cooling water and dirt be also easier to
It is retained in tube bank, causes tube wall cleanliness factor to reduce, the non-solidifying air accumulation position under the increase of water side thermal resistance, and different operating conditions
Setting difference leads to problems such as bleeding point deviate Fei Ning air accumulation area, and the utility model provides a kind of clammy surface condenser,
As shown in Figure 1, the clammy surface condenser includes inlet plenum 1, recirculated water intake chamber 2, recirculated water drip chamber 3, multiple heat exchange
Tube bank 4, hot well 5 and collection chamber 6, the multiple heat exchanger tubes being connected between recirculated water intake chamber 2 and the recirculated water drip chamber 3
Beam 4 is vertically arranged, and the inlet plenum 1 is trapped among center by the how much heat-exchanging tube bundles 4 being vertically arranged, and the entrance of the inlet plenum 1 is set
It is placed in the top of heat-exchanging tube bundle 4, the hot well 5 is set to the bottom end of heat-exchanging tube bundle, and the collection chamber 6 is set to heat-exchanging tube bundle 4
Outside, for collecting gas not condensed in condenser.
Through the above technical solutions, the utility model solve since heat-exchanging tube bundle is horizontally disposed so that cooling water carry
Gas and dirt be also easier to retain in tube bank, cause tube wall cleanliness factor to reduce, water side thermal resistance increases, and different operating condition
Under non-solidifying air accumulation zone position difference cause bleeding point deviate Fei Ning air accumulation area the problem of.Specifically, in gravity and
Under buoyancy, the probability that the gas and dirt that cooling water carries are adhered to heat transfer tube wall is significantly reduced, and is improved water side and is changed
Hot coefficient, meanwhile, condensed water is quickly flowed down along tube wall under the effect of gravity, and tube bank surface moisture film is very thin and is easy to tear, significantly
Moisture film thermal resistance is reduced, and since, into vapour, circumferential diffusion condensing mode, non-solidifying gas is gathered in outermost mostly using center
Side, position do not change with operating condition, further improve pumping efficiency, thus improving heat exchanging efficiency.
In order to improve heat exchange efficiency, it is preferable that the recirculated water intake chamber 2 is set to the lower section of the heat-exchanging tube bundle 4, institute
State the top that recirculated water drip chamber 3 is set to the heat-exchanging tube bundle 4.It is supplied water by adverse current and further improves changing for heat-exchanging tube bundle
The thermal efficiency.
To further increase heat exchange efficiency, it is preferable that the clammy surface condenser includes deflector 7, the water conservancy diversion
Plate 7 is horizontally placed in the inlet plenum 1.By the way that horizontally disposed deflector is arranged in inlet plenum, so that into condenser
Steam through flow backwards or it is horizontal plunder the heat-exchanging tube bundle being vertically arranged, increase contact of the steam with heat-exchanging tube bundle, further improve and change
The thermal efficiency.
To further increase heat exchange efficiency, the vertical range with vertex above and below the inlet plenum is L, with the deflector 7
The vertical range on vertex is l on the point to the inlet plenum being connected with the inlet plenum 11When, l1/ L=0.2-0.8.
As a kind of embodiment of the utility model, the point that is connected with the inlet plenum 1 with the deflector 7 to institute
The vertical range for stating vertex on inlet plenum is l1When, l1/ L=0.5.
In order to improve heat exchange efficiency, it is preferable that the clammy surface condenser includes porous plate 8, and the porous plate 8 is perpendicular
It is directly set between the heat-exchanging tube bundle 4 and the collection chamber 6.By the setting of porous plate, water mist can be filtered out but also make to take out
Gas is more uniform, improves pumping efficiency.
To further increase heat exchange efficiency, it is preferable that the outlet pipe of the hot well 5 is equipped with condensate pump 9.
To further increase heat exchange efficiency, it is preferable that be provided on the water inlet pipe of the recirculated water intake chamber 2 cooling water into
Water pump 10.
To further increase heat exchange efficiency, it is preferable that be provided with cooling water drainage on the outlet pipe of the recirculated water drip chamber 3
Water pump 11.
To further increase heat exchange efficiency, it is preferable that the clammy surface condenser includes air ejector 12, the pumping
Device 12 is used to for the gas collected in the collection chamber 6 being discharged.
In a kind of specific embodiment of the utility model, as shown in Fig. 2, the heat-exchanging tube bundle 4 adopts circular symmetric formula
Distribution setting, is trapped among center for inlet plenum 1.Since using center, into vapour, circumferential diffusion condensing mode, non-solidifying gas is assembled mostly
In outermost, it ensure that its position does not change with operating condition.
In another specific embodiment of the utility model, as shown in figure 3, the heat-exchanging tube bundle 4 uses rectangle pair
The distribution setting of title formula, is trapped among center for inlet plenum 1.Since using center, into vapour, circumferential diffusion condensing mode, non-solidifying gas is most
It is gathered in outermost, ensure that its position does not change with operating condition.
The utility model has the advantages of simple structure, reduces moisture film thermal resistance by being vertically arranged heat-exchanging tube bundle, improves water side and change
Hot coefficient, while it is guaranteed so that non-solidifying gas is gathered in outermost mostly into vapour, circumferential diffusion condensing mode using center
Position does not change with operating condition, while improving heat exchange efficiency, improves the economy and reliability of unit operation.
Clammy surface condenser provided by the utility model in day-to-day operation, first by steam be passed through condenser into
In gas chamber 1, steam is horizontal after 7 water conservancy diversion of deflector to plunder 4 heat release of heat-exchanging tube bundle condensation, and condensed water flows under the influence of gravity into hot well 5；
Rather than noncondensing gas converges in outermost collection chamber 6, and is discharged by air ejector 12.
Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail in conjunction with attached drawing above
In this.In the range of the technology design of the utility model, a variety of simple variants can be carried out to the technical solution of the utility model.
In order to avoid unnecessary repetition, no further explanation will be given to various combinations of possible ways for the utility model.But these simple changes
Type and combination equally should be considered as content disclosed in the utility model, belong to the protection scope of the utility model.
Claims (9)
1. a kind of clammy surface condenser, including it is inlet plenum (1), recirculated water intake chamber (2), recirculated water drip chamber (3), multiple
Heat-exchanging tube bundle (4), hot well (5) and collection chamber (6), which is characterized in that be connected to the recirculated water intake chamber (2) and recirculated water row
Multiple heat-exchanging tube bundles (4) between water chamber (3) are vertically arranged, the multiple heat-exchanging tube bundles (4) being vertically arranged will it is described into
Gas chamber (1) is trapped among center, and the entrance of the inlet plenum (1) is set to the top of heat-exchanging tube bundle (4), and the hot well (5) is set to
The bottom end of heat-exchanging tube bundle (4), the collection chamber (6) is set to the outside of the heat-exchanging tube bundle (4), for collecting in condenser not
The gas being condensed.
2. clammy surface condenser according to claim 1, which is characterized in that recirculated water intake chamber (2) setting
In the lower section of the heat-exchanging tube bundle (4), the recirculated water drip chamber (3) is set to the top of the heat-exchanging tube bundle (4).
3. clammy surface condenser according to claim 1 or 2, which is characterized in that the clammy surface condenser
Including deflector (7), the deflector (7) is horizontally placed in the inlet plenum (1).
4. clammy surface condenser according to claim 3, which is characterized in that pushed up up and down with the heat-exchanging tube bundle (4)
The vertical range of point is L, on the point to the heat-exchanging tube bundle (4) being connected with the deflector (7) with the heat-exchanging tube bundle (4)
The vertical range on vertex is l1When, l1/ L=0.2-0.8.
5. clammy surface condenser according to claim 1 or 2, which is characterized in that the clammy surface condenser
Including porous plate (8), the porous plate (8) is vertically arranged between the heat-exchanging tube bundle (4) and the collection chamber (6).
6. clammy surface condenser according to claim 1 or 2, which is characterized in that on the outlet pipe of the hot well (5)
Equipped with condensate pump (9).
7. clammy surface condenser according to claim 2, which is characterized in that the recirculated water intake chamber (2) into
Cooling water intake pump (10) are provided on water pipe.
8. clammy surface condenser according to claim 2, which is characterized in that the recirculated water drip chamber (3) goes out
Cooling water drainage water pump (11) are provided on water pipe.
9. clammy surface condenser according to claim 1 or 2, which is characterized in that the clammy surface condenser
Including air ejector (12), the gas that the air ejector (12) is used to collect in the collection chamber (6) is discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821593209.3U CN209147756U (en) | 2018-09-28 | 2018-09-28 | A kind of clammy surface condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821593209.3U CN209147756U (en) | 2018-09-28 | 2018-09-28 | A kind of clammy surface condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209147756U true CN209147756U (en) | 2019-07-23 |
Family
ID=67268405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821593209.3U Active CN209147756U (en) | 2018-09-28 | 2018-09-28 | A kind of clammy surface condenser |
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| Country | Link |
|---|---|
| CN (1) | CN209147756U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113368669A (en) * | 2021-06-21 | 2021-09-10 | 合肥智测电子有限公司 | Water-gas separation structural component |
-
2018
- 2018-09-28 CN CN201821593209.3U patent/CN209147756U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113368669A (en) * | 2021-06-21 | 2021-09-10 | 合肥智测电子有限公司 | Water-gas separation structural component |
| CN113368669B (en) * | 2021-06-21 | 2023-01-13 | 合肥智测电子有限公司 | Water-gas separation structural component |
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