CN100420913C - Automatic water distributor for both inside and outside of cooling tower and its making and mounting process - Google Patents
Automatic water distributor for both inside and outside of cooling tower and its making and mounting process Download PDFInfo
- Publication number
- CN100420913C CN100420913C CNB2005100389716A CN200510038971A CN100420913C CN 100420913 C CN100420913 C CN 100420913C CN B2005100389716 A CNB2005100389716 A CN B2005100389716A CN 200510038971 A CN200510038971 A CN 200510038971A CN 100420913 C CN100420913 C CN 100420913C
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- China
- Prior art keywords
- siphon
- weir
- siphon weir
- cooling tower
- outside
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- Expired - Fee Related
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
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- 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 discloses an automatic water distributor for both inside and outside of a cooling tower, and also discloses a making and mounting process thereof. The siphon weir is an independent prefabricated component, which is hermetically and detachablely mounted in a water inlet of an inner distributing channel, the height position of the siphon weir can be adjusted, the shape of a cross section of the siphon hood and the shape of a cross section of the siphon weir are identical or similar, and intervals between the siphon hood and the siphon weir are identical or similar. The material of the siphon hood and the siphon weir is fiber glass reinforced plastics or a stainless steel plate material. Because a fixed type of the siphon weir is designed into an adjustable structure, not only the field making difficulty of a silo is greatly simplified, but also the mounting and debugging work of the cooling tower is simplified. Through adjusting the mounting height of the siphon weir, the switching of the automatic water distribution for both inside and outside of the cooling tower can be realized simply and directly. The device has the advantages of stable working, high reliability and long service life, can effectively overcome the defect existing in the existing automatic water distributor for both inside and outside of the cooling tower, and can ensure circulation cooling requirements of the cooling tower in different seasons, which guarantees that no ice is hung inside the cooling tower in winter.
Description
Technical field
The present invention relates to a kind of circulation automatic water distributor for both inside and outside of cooling tower of gravity-flow ventilation, and the fabrication and installation method.
Background technology
Along with fast development of national economy, the demand of electric power constantly increases, landlocked large-size thermal power plant of China and nuclear power station constantly increase, the construction quantity of the circulating water cooling tower of large-scale gravity-flow ventilation increases thereupon, it is the crucial supporting enforcement of power plant, its major function is that the heat that will be produced in the power generation process utilizes after by the hot water circuit cooling again, and the quality of recirculated water cooling effect directly has influence on the efficient of generating.The large-scale cooling stack that present power plant generally uses is in order to satisfy power generation cycle hot water cooling requirement, make the cool cycles water for cooling adapt to the climate change in winter and summer, guarantee cooling-down effect, existing cooling tower all adopts a central vertical shaft, orthogonal four double-deck distribution channels, pick out the pressure sparge pipe from distribution channel, the shower nozzle that dabbles is installed in the water distribution system of sparge pipe below.Wherein the upper strata tank is responsible for to the water distribution of tower inner region, and lower floor's tank is responsible for the outskirt water distribution to tower.The inlet of lower floor's tank is unlimited fully, and is submerged under the working water level in the vertical shaft, is not subjected to any control, can be throughout the year to the outskirt water supply spraying cooling of tower, and siphon automatic distribution water device is housed at the inlet of upper strata tank.Control its water distribution quantity according to environment temperature, reach energy-saving and noise-reducing, prevent the purpose that cooling tower inner region in winter extension is iced, to winter, the environment temperature is lower, need the water yield of circulation cooling also to descend thereupon, in order to ensure not freezing in the cooling tower, recirculated cooling water must be formulated to external zones, so just can guarantee the cooling tower operate as normal.
In the patent No. is to disclose a kind of cooling tower siphoning installation among the ZL01237208.0, it is provided with and is down water distribution that siphoning installation that L shaped tubular body structure constitutes makes main distribution channel and forms with destroying by siphon and realize water distribution and cut off the water by being positioned at water supply vertical shaft and main distribution channel junction, the tubulose siphoning installation can be surrounded and be formed by syphon hood, siphon weir, described syphon hood is formed by hollow plastic sheet material spelling, on syphon hood, be provided with the siphon destructive mouth, described siphon weir is formed by the concrete cast-in-site, and siphon weir and vertical shaft are poured into a mould simultaneously.
This siphoning installation is installed and used in practice of construction and is had following deficiency in the process:
1. form by the concrete cast-in-site owing to the siphon weir, the height on siphon weir immobilizes, and in practical work process, output in the vertical shaft is not that weighing apparatus is fixed constant, when output fluctuates up and down, formation influence to siphon is very big, when especially output reduces, be unfavorable for the generation of siphon, because the height on siphon weir immobilizes, height can't be adjusted, when needs change the water distribution water yield, then be difficult to form siphonage, thereby the cooling effect, the winter that influence recirculated cooling water easily produce extension ice phenomenon at inner region.
2. owing to formed space sectional area inequality between syphon hood and the siphon weir, be unfavorable for that siphon produces.
3. because syphon hood is the hollow tubular thing that is welded with the PVC plastic plate, the welding rod that only depends on fusing between the plastic plate the sheet materials of two butt joints in the face of weld welding, middle part in two adjacent sheet material butt joints can not be fused into one fully, then the weld strength of weld seam is lower if there are dust, greasy dirt in the commissure, this syphon hood since long period of soaking in hot water, temperature conversion through the spring, summer, autumn and winter, syphon hood is the normal weld cracking that takes place under the effect of temperature strain power, cause syphon hood gas leakage, thereby siphoning installation was lost efficacy; Influence the operate as normal of whole cooling tower.
Summary of the invention
The object of the invention is to provide a kind of automatic water distributor for both inside and outside of cooling tower and fabrication and installation method thereof.
Automatic water distributor for both inside and outside of cooling tower of the present invention, comprise vertical shaft, interior distribution channel, outer distribution channel, syphon hood, siphon weir, siphon destructive hole, maintenance duct, the siphon weir is arranged on interior distribution channel water inlet place, syphon hood overlaps hermetically and covers on outside the siphon weir, the siphon destructive hole is arranged on the syphon hood, the maintenance duct communicates with the inner chamber on siphon weir, described siphon weir is prefabricated component independently, the water inlet place of distribution channel in the siphon weir seals and is removably mounted on, the installation high and low position on siphon weir can be adjusted.
The cross sectional shape of described syphon hood is identical or close with the cross sectional shape on siphon weir, syphon hood is identical or close with the interval between the siphon weir, be provided with long lumbar hole on the installed surface of inboard, siphon weir, the siphon weir is installed in the interior distribution channel water inlet end face of vertical shaft inboard hermetically by the long lumbar hole on the medial surface.
The cross sectional shape on described siphon weir is " D " shape, be adjacent two jiaos of rectangles that have a fillet or for semicircle or be combination semicircle and rectangle, the installed surface of side is provided with long lumbar hole within it, and the siphon weir is installed on the siphon baffle plate and inside and outside water-stop sheet of vertical shaft inboard by the long lumbar hole on the medial surface.
The material on described syphon hood and siphon weir is fiberglass or stainless steel materials.
Described syphon hood is that two or polylith split combine.
The preparation method of above-mentioned automatic water distributor for both inside and outside of cooling tower comprises the making on syphon hood and siphon weir, and the siphon weir adopts fiberglass to be made by corresponding mould; Syphon hood also is made by fiberglass, can by securing member and seal each split be linked into an integrated entity then according to the big or small split production of syphon hood; The installation on siphon weir is to be sleeved on the siphon baffle plate and inside and outside district water-stop sheet of vertical shaft inboard by the long lumbar hole on its installed inside face, and the people enters from manhole in the siphon weir, fastening connection piece, the setting height(from bottom) of regulating the siphon weir according to siphon effect; The installation of syphon hood is identical with existing installation method, is about to syphon hood and is sleeved on outside the siphon weir, and the upper end is fixed on the siphon baffle plate, and the lower end is fixed on the center fixation frame.
Since with the siphon weir by the fixed adjustable structure that is designed to, not only greatly simplified the field fabrication difficulty of vertical shaft, the more important thing is the work of having simplified the cooling tower debugging, can realize the switching of outskirt automatic distribution water in the cooling tower very quickly and easily by the setting height(from bottom) of regulating the siphon weir, the siphon weir, syphon hood is all selected the material of fiberglass for use, not only be convenient to make, install and debugging, and its smooth surface, resistance to current is little, and the intensity height is in light weight, this device stable working, the reliability height, long service life can effectively overcome the deficiency that existing automatic water distributor for both inside and outside of cooling tower exists, can guarantee the circulation cooling needs of cooling tower in Various Seasonal, assurance cooling tower inner region is not hung ice winter, and summer, cooling was fast, guaranteed the generator operate as normal.
Description of drawings:
Fig. 1, Fig. 2 are the structural representation of invention;
Fig. 2 is an A-A cutaway view among Fig. 1;
Fig. 3 is a kind of cross sectional shape schematic diagram of syphon hood;
Fig. 4 is a kind of cross sectional shape schematic diagram on siphon weir;
Fig. 5 be the B of Fig. 4 to view, i.e. the connection end view on siphon weir;
Among the figure: the 1-vertical shaft; 11-siphon baffle plate; The inside and outside dividing partition of 12-; Distribution channel water inlet in the 13-; 14-center fixation framework; The outer distribution channel of 2-; Distribution channel in the 3-; The 4-syphon hood; 41-top-surface camber profiled sheeting; Profiled sheeting in the middle of the 42-; 43-lower surface camber profiled sheeting; 5-siphon destructive hole; 6-siphon weir; The 61-installed surface; 62-is with long lumbar hole; 7-overhauls the duct; 8-siphon destructive pipe network;
The specific embodiment:
Below in conjunction with description of drawings the specific embodiment of the present invention:
Automatic water distributor for both inside and outside of cooling tower of the present invention, by vertical shaft 1, outer distribution channel 2, interior distribution channel 3, syphon hood 4, siphon destructive hole 5, siphon weir 6, maintenance duct 7, described siphon weir 6 is the fiberglass prefabricated component, the cross sectional shape on siphon weir 6 is " D " shape, promptly two adjacent angular have the rectangle of fillet, siphon weir 6 is fixed on interior distribution channel water inlet 13 places hermetically, be provided with the installed surface 61 of band long lumbar hole 62 in the inboard on siphon weir 6, the epimere on siphon weir 6 is fixed on the siphon baffle plate 11, hypomere is fixed on the inside and outside dividing partition 12, the installation high and low position on siphon weir 6 can be regulated by the long lumbar hole 62 on its installed surface 61, people enter from maintenance duct 7, can regulate the setting height(from bottom) on siphon weir 6 within the specific limits; Syphon hood 4 is sleeved on outside the siphon weir 6, the upper end is fixed on the siphon baffle plate 11, the lower end is fixed on the center fixation framework 14, siphon destructive hole 5 is arranged on the top of syphon hood 4, and communicate with whole siphon destructive pipe network 8, the cross sectional shape of described syphon hood 4 is close with the cross sectional shape on siphon weir 6, syphon hood 4 is identical with the interval between the siphon weir 6, described syphon hood 4 is linked into an integrated entity by flange by top-surface camber profiled sheeting 41, middle profiled sheeting 42 and lower surface camber profiled sheeting 43, and the material on described syphon hood 4 and siphon weir 6 is fiberglass.
Claims (6)
1. automatic water distributor for both inside and outside of cooling tower, comprise vertical shaft (1), outer distribution channel (2), interior distribution channel (3), syphon hood (4), siphon destructive hole (5), siphon weir (6), maintenance duct (7), siphon weir (6) is arranged on the water inlet place of interior distribution channel (3), syphon hood (4) cover covers on outside the siphon weir (6), siphon destructive hole (5) is arranged on the syphon hood (4), maintenance duct (7) communicates with the inner chamber of siphon weir (6), it is characterized in that: described siphon weir (6) is prefabricated component independently, siphon weir (6) sealing, distribution channel water inlet (13) is located in being removably mounted on, and the installation height of siphon weir (6) is adjustable.
2. according to claim 1 automatic water distributor for both inside and outside of cooling tower, it is characterized in that: the cross sectional shape of described syphon hood (4) is close with the cross sectional shape of siphon weir (6), syphon hood (4) is identical or close with the interval between siphon weir (6), the cross sectional shape on siphon weir (6) is " D " shape, or it is semicircle, or the combination of semicircle and rectangle, be provided with long lumbar hole (62) on the installed surface (61) of siphon weir (6) inboard, siphon weir (6) are installed in the inboard interior distribution channel water inlet (13) of vertical shaft (1) hermetically by inboard installed surface (61) and long lumbar hole (62) and locate.
3. according to claim 1 or 2 described automatic water distributor for both inside and outside of cooling tower, it is characterized in that: described syphon hood (4) is that two or polylith split combine.
4. according to claim 1 or 2 described automatic water distributor for both inside and outside of cooling tower, it is characterized in that: the material of described syphon hood (4) and siphon weir (6) is fiberglass or stainless steel materials.
5. according to the described automatic water distributor for both inside and outside of cooling tower of claim 3, it is characterized in that: the material of described syphon hood (4) and siphon weir (6) is fiberglass or stainless steel materials.
6. the preparation method of claim 1 or 2 described automatic water distributor for both inside and outside of cooling tower, it is characterized in that: comprise the making of syphon hood (4) and siphon weir (6), siphon weir (6) and syphon hood (4) all adopt the glass steel or stainless steel to be made by corresponding mould; Syphon hood (4) can link into an integrated entity each split by securing member and seal then according to its big or small split production; The installation on siphon weir (6) is to be sleeved on the siphon baffle plate (11) and inside and outside dividing partition (12) of vertical shaft inboard by the long lumbar hole (62) on its installed inside face (61), the people enters in the siphon weir (6) from manhole (7), fastening connection piece, the setting height(from bottom) of regulating siphon weir (6) according to siphon effect; The installation of syphon hood (4) is identical with existing installation method, is about to syphon hood (4) and is sleeved on outside the siphon weir (6), and the upper end is fixed on the siphon baffle plate (11), and the lower end is fixed on the center fixation frame (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100389716A CN100420913C (en) | 2005-04-15 | 2005-04-15 | Automatic water distributor for both inside and outside of cooling tower and its making and mounting process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100389716A CN100420913C (en) | 2005-04-15 | 2005-04-15 | Automatic water distributor for both inside and outside of cooling tower and its making and mounting process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1847773A CN1847773A (en) | 2006-10-18 |
| CN100420913C true CN100420913C (en) | 2008-09-24 |
Family
ID=37077428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100389716A Expired - Fee Related CN100420913C (en) | 2005-04-15 | 2005-04-15 | Automatic water distributor for both inside and outside of cooling tower and its making and mounting process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100420913C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048550B (en) * | 2014-05-29 | 2015-12-09 | 上海电力学院 | A kind of cooling stack rain belt air inducing conflux siphon discharge device |
| CN105783577B (en) * | 2016-03-14 | 2018-03-09 | 中铁隧道股份有限公司 | A kind of cooling tower syphon hood auto-guiding device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2472184Y (en) * | 2001-04-04 | 2002-01-16 | 宜兴市南新填料制品厂 | Siphon device for cooling tower |
| JP2002168574A (en) * | 2000-12-01 | 2002-06-14 | Ebara Shinwa Ltd | Upper water tank for cooling tower and cooling tower comprising upper water tank |
| JP2002174491A (en) * | 2000-12-07 | 2002-06-21 | Ebara Shinwa Ltd | Heating tower |
| CN2786538Y (en) * | 2005-04-15 | 2006-06-07 | 金坛市塑料厂 | Cooling tower inside and outside area auto water distributing equipment |
-
2005
- 2005-04-15 CN CNB2005100389716A patent/CN100420913C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002168574A (en) * | 2000-12-01 | 2002-06-14 | Ebara Shinwa Ltd | Upper water tank for cooling tower and cooling tower comprising upper water tank |
| JP2002174491A (en) * | 2000-12-07 | 2002-06-21 | Ebara Shinwa Ltd | Heating tower |
| CN2472184Y (en) * | 2001-04-04 | 2002-01-16 | 宜兴市南新填料制品厂 | Siphon device for cooling tower |
| CN2786538Y (en) * | 2005-04-15 | 2006-06-07 | 金坛市塑料厂 | Cooling tower inside and outside area auto water distributing equipment |
Non-Patent Citations (4)
| Title |
|---|
| 自然通风逆流式冷却塔虹吸式竖井配水的探讨. 翁迅干，陆振铎.电力建设，第22卷第5期. 2001 |
| 自然通风逆流式冷却塔虹吸式竖井配水的探讨. 翁迅干，陆振铎.电力建设，第22卷第5期. 2001 * |
| 自然通风逆流式冷却塔配水型式比较. 曾建柱.电力建设，第23卷第4期. 2002 |
| 自然通风逆流式冷却塔配水型式比较. 曾建柱.电力建设，第23卷第4期. 2002 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1847773A (en) | 2006-10-18 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080924 Termination date: 20140415 |