CN104048552B - For cooling tower anti-wall flow shower nozzle - Google Patents
For cooling tower anti-wall flow shower nozzle Download PDFInfo
- Publication number
- CN104048552B CN104048552B CN201410269171.4A CN201410269171A CN104048552B CN 104048552 B CN104048552 B CN 104048552B CN 201410269171 A CN201410269171 A CN 201410269171A CN 104048552 B CN104048552 B CN 104048552B
- Authority
- CN
- China
- Prior art keywords
- shower nozzle
- splash board
- cooling tower
- water
- fixing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Nozzles (AREA)
Abstract
The present invention relates to a kind of for cooling tower anti-wall flow shower nozzle, fixing sleeve top half is fixing with water distribution subtube to be connected, the latter half positions fixing connection with the water inlet of nozzle body upper end, the conical flow-guiding channel of nozzle body is provided with back water fender, and in the middle part of the water fender of back, it being sequentially provided with four pieces of splash boards from top to bottom, every piece of splash board is provided with splash board jagged edge.This sprinkler region is semicircle, a circle anti-wall flow shower nozzle is arranged in the surface at cooling tower filler edge, stationary nozzle position, sprinkling region is made to fully fall on filler, two kinds of shower nozzles with the use of, can effectively reduce the generation of wall stream, can avoid owing to the change of capacity of sprinkler causes filler some region problem without shower water occur simultaneously.The present invention is avoided that the appearance of wall stream, even if flow changes also does not haves wall stream, the probability occurred without shower water region is greatly reduced, and overall spray is more uniform, and the cooling capacity of tower is significantly improved.
Description
Technical field
The present invention relates to a kind of cooling tower spray head, the shower nozzle of a kind of anti-wall flow.
Background technology
Cooling tower industry is good at Chinese development, is widely applied in national life and commercial production, by cooling
The way of contact of water and air can be divided into open cooling tower and closed cooling tower, is called for short and opens tower and close tower, be no matter Kai Ta or
Closing the main radiating mode of tower and include contact heat radiation and evaporative heat loss, wherein evaporative heat loss is occupied an leading position.
The quality of spraying effect is the key factor determining cooling tower cooling capacity, and the generation of wall stream can reduce cooling tower
Cooling effect, the heat radiation that this part shower water along wall is not involved in filler dissipates matter, there is no and cooled down, Er Qie
The power of pump to be consumed during reciprocation cycle, thus cooling tower whole efficiency can be caused to reduce.
Shower nozzle is due to its simple in construction, easy for installation, and spray effect is good, has obtained widely should in cooling tower industry
With, and plate spatters formula shower nozzle to have spray area big, and the feature such as uniformly of spraying has obtained the favor of user especially.Patent No.
The patent documentation of 201320019328.9 discloses a kind of three layers of splash shower nozzle, and shower water is spilt out by three layers of splash board successively, reaches
To the effect uniformly sprayed, shower nozzle also includes fixing thread bush, for being connected with the water distributor of cooling tower.But there is wall in cooling tower
The situation of stream.
Summary of the invention
The present invention is to solve that cooling tower exists the technical problem of wall stream, and provide a kind of and spray for cooling tower anti-wall flow
Head, after installing anti-wall flow shower nozzle, can effectively prevent the generation of wall stream, can reduce the appearance of shower nozzle spray blind area, whole simultaneously
In individual spray region, spray is more uniform, and this shower nozzle is easy to use, and anti-wall flow effect is obvious.
The present invention is achieved by the following technical solutions:
A kind of for cooling tower anti-wall flow shower nozzle, it is made up of fixing sleeve and nozzle body, is characterized in: fixing sleeve
Top half is fixing with water distribution subtube to be connected, and the latter half positions fixing connection, shower nozzle with the water inlet of nozzle body upper end
The conical flow-guiding channel of main body is provided with shower nozzle back water fender, and is sequentially provided with four in the middle part of the water fender of back from top to bottom
Block splash board, every piece of splash board outer cylinder is provided with splash board jagged edge.
Fixing sleeve the latter half is provided with pilot pin groove and fixing hole, and the water inlet side of nozzle body is provided with Fixed latches,
Nozzle body is inserted the fixing hole on fixing sleeve by Fixed latches and is positioned fixing connection with fixing sleeve.
Fixing sleeve is connected with water distribution subtube by connecting port thereon.Water fender center, shower nozzle back is provided with half-conical
Shape flow-guiding channel, half cone-shaped flow-guiding channel is until the 4th layer of splash board ends.Splash board centre bit sets high, and margin location sets low,
It is equipped with a gradient to closing on margin location, its angle of gradient α=10 ~ 30 degree from center.
The invention has the beneficial effects as follows: the present invention is almost prevented from wall and flows out existing, and cooling tower spray can be more equal simultaneously
Even, it is possible to effectively to improve cooling tower cooling capacity, use latch to coordinate fixing mode, it is possible to effectively stationary nozzle, install
With the simpler convenience of replacing.
Accompanying drawing explanation
Fig. 1 a is the structural upright schematic diagram of the present invention；
Fig. 1 b is the left view of the present invention；
Fig. 2 a is the top view of back water fender；
Fig. 2 b is the schematic perspective view of back water fender；
Fig. 3 is Fixed latches front view；
Fig. 4 a is fixing sleeve front view；
Fig. 4 b is fixing sleeve schematic perspective view；
Fig. 5 a is the front view of splash board；
Fig. 5 b is the top view of splash board；
Fig. 6 is that shower nozzle sprays area schematic.
Detailed description of the invention
The present invention is described in detail with embodiment below in conjunction with the accompanying drawings.
As shown in Fig. 1 a, 1b, for cooling tower anti-wall flow shower nozzle, it is made up of nozzle body and two parts of fixing sleeve.
Nozzle body includes water inlet 1, Fixed latches 3, and cone center flow-guiding channel 2, shower nozzle back water fender 4, ground floor dabbles
Plate 5, second layer splash board 6, third layer splash board 7, the 4th layer of splash board 8, edge sawtooth 9.
Such as Fig. 4 a, shown in 4b, fixing sleeve includes the connecting port 13 coupled with water distribution subtube, handle 10, pilot pin groove 11,
Fixing hole 12.
Fixing sleeve be cylindric, overall length 45 ~ 60mm, is divided into upper and lower two parts, a length of L of top half, its length L and
It is relevant that water distribution is in charge of caliber, formula (1) calculate, its wall thickness 2 ~ 3mm, uses PUR hot melting way to be connected with water distribution subtube,
The latter half length 25 ~ 35mm, internal diameter is 33.4mm, wall thickness 2 ~ 3mm, with latch groove 11 and fixing hole 12.
(1)
In formula: D1The external diameter of water distribution subtube；
D sleeve top half external diameter；
Nozzle body water inlet 1 external diameter 33.4mm, wall thickness 2 ~ 3mm, it has Fixed latches 3(Fig. 3), it and latch groove 11
And after fixing hole 12 coordinates, the position of shower nozzle and towards just securing.
Nozzle body is split into two halves from position of center line, and half part has four layers of semicircle splash board (Fig. 5 a, 5b), water quilt
These four layers of splash boards spilling in layer is come, and second half part is the middle shower nozzle back with half cone-shaped flow-guiding channel
Water fender 4(Fig. 2 a, 2b), shower nozzle back water fender 4 and four layers of splash board fit in the nozzle body of center circle conical through-hole.
First piece of splash board that shower water runs into during falling is ground floor splash board 5, sorts successively, ground floor
Splash board 5 diameter 80 ~ 100mm, the diameter 20 ~ 22mm of central through hole, it is 25 ~ 35mm to the vertical dimension of outlet, first
Layer splash board 5 distributes the water yield and accounts for the 50% of shower nozzle total Water.
Second layer splash board 6 diameter 50 ~ 60mm, central through hole diameter 13 ~ 15mm, it is vertical to ground floor splash board 5
Distance is 25 ~ 35mm, and second layer splash board 6 distributes the water yield and accounts for the 25% of shower nozzle total Water.
Third layer splash board 7 diameter 20 ~ 25mm, central through hole diameter 5 ~ 7mm, it to second layer splash board 6 vertical away from
From for 25 ~ 35mm, third layer splash board 7 distributes the water yield and accounts for the 20% of shower nozzle total Water.
4th layer of splash board 8 diameter 3 ~ 5mm, center without through hole, it to the vertical dimension of third layer splash board 7 be 10 ~
15mm, the 4th layer of splash board 8 distributes the water yield and accounts for the 5% of shower nozzle total Water.
Height in the middle of splash board, edge is low, forms the angle that the gradient is α, from ground floor to the 4th layer splash board angle of gradient gradually
Increasing, α typically takes 10 ~ 30 °.
Splash board edge is zigzag, and sawtooth tooth depth is 3 ~ 6mm, and the central angle that sawtooth is corresponding is β, according to each different layers
The size of splash board, central angle value is different, and the central angle between Dan Liangchi center is always 2 β.
Following example are as a example by squarer.
During installation, fixing sleeve is arranged on water distribution subtube, the fixing hole of fixing sleeve towards with the cooling tower closed on
Wall is parallel, so ensure that whole half-circle area of anti-wall flow sprinkler are all on filler.
As shown in Figure 6, in total region C of sprinkling, shower nozzle uses central crossbar formula to arrange, i.e. the spray region of a shower nozzle
External diameter crosses the center of circle in adjacent shower nozzle spray region, arranges conventional injection head 20 in dashed region.Single conventional injection head sprays region A's
A diameter of D1, anti-wall flow shower nozzle 21 is 1.1 ~ 1.2D with closing on conventional injection head 20 distance1, so ensure that water spray is setting
In meter flow certain limit during fluctuation, conventional injection head 20 shower water also will not spray on wall and go, effectively prevent wall stream
Produce.Anti-wall flow shower nozzle 21 is arranged on the surface at filler edge, a diameter of 1.1 ~ 1.2D of its sprinkling region B1.Anti-wall flow
Have shower nozzle 21 and conventional injection head 20 identical spray flux, the conical flow-guiding channel of nozzle body back baffle plate play water conservancy diversion and make
With, as shown in Figure 2 b.When shower water is with flow velocity V1Under vertical current, under the effect of circular cone flow-guiding channel, V1Can be gradually increased, continue
A part of water and ground floor splash board generation inelastic collision during continuous whereabouts, owing to splash board has certain gradient, send out
Raw is oblique impact, according to non-resilient oblique impact principle, the conservation of momentum, shower water horizontal velocity V=V1, then shower water leaves splash board
Horizontal flow velocity V can be bigger than conventional injection head, by formula (2) understand spray regional diameter D2Bigger.
(2)
In formula: the speed in V shower water horizontal direction；
H splash board is to the vertical dimension of filler；
G acceleration of gravity；
After shower water is captured by ground floor splash board, spread out uniformly along splash board edge with horizontal velocity V, spray
Trickle has a viscous force and part trickle is produced inhibition when leaving jagged edges, and this part current degree can reduce,
From (2) formula, spray regional diameter D2Reduce, so that trickle reaches more preferable dispersion effect.
Second and third, the splash board of four layers produce with ground floor as effect, shower water during falling by one layer
The splash board capture of one layer, then by this layer of splash board dispersion, make shower water spray evenly in spraying region, improve cooling tower
Cooling capacity.
The present invention uses Fixed latches and latch groove, fixing hole to coordinate, it is ensured that shower nozzle fixing towards while, install and
Change the most simple and convenient.
The present invention is applicable to the cooling tower of tubular type water distribution, and nozzle body uses glass fiber enhanced nylon material, high temperature resistant, is difficult to
Deformation, it is possible to ensure uniformity and the stability sprayed.
Claims (4)
1., for a cooling tower anti-wall flow shower nozzle, it is made up of fixing sleeve and nozzle body, it is characterised in that: described fixing
Sleeve top half is connected with water distributor by connector (13), and the latter half is fixing with the water inlet location of nozzle body upper end
Connecting, nozzle body position of center line is split into two halves, and wherein there are four layers of semicircle splash board, every piece of splash board outer cylinder in half portion
Being provided with splash board jagged edge (9), second half is the middle shower nozzle back water fender with half cone-shaped flow-guiding channel (2)
(4), shower nozzle back water fender (4) and four layers of splash board fit in the nozzle body of center circle conical through-hole.
It is the most according to claim 1 for cooling tower anti-wall flow shower nozzle, it is characterised in that: described fixing sleeve the latter half
Being provided with pilot pin groove (11) and fixing hole (12), water inlet (1) side of described nozzle body is provided with Fixed latches (3), shower nozzle master
Body inserts the fixing hole (12) on fixing sleeve by Fixed latches (3) and positions fixing connection with fixing sleeve.
It is the most according to claim 1 for cooling tower anti-wall flow shower nozzle, it is characterised in that: described shower nozzle back water fender
(4) center is provided with half cone-shaped flow-guiding channel, and half cone-shaped flow-guiding channel is until the 4th layer of splash board (8) is ended.
It is the most according to claim 1 for cooling tower anti-wall flow shower nozzle, it is characterised in that: described splash board center
Height, margin location sets low, and is equipped with a gradient from center to closing on margin location, its angle of gradient α=10 ~ 30 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410269171.4A CN104048552B (en) | 2014-06-17 | 2014-06-17 | For cooling tower anti-wall flow shower nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410269171.4A CN104048552B (en) | 2014-06-17 | 2014-06-17 | For cooling tower anti-wall flow shower nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104048552A CN104048552A (en) | 2014-09-17 |
| CN104048552B true CN104048552B (en) | 2016-09-14 |
Family
ID=51501719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410269171.4A Active CN104048552B (en) | 2014-06-17 | 2014-06-17 | For cooling tower anti-wall flow shower nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104048552B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918263A (en) | 2015-12-28 | 2017-07-04 | 上海艾客制冷科技有限公司 | A kind of wide cut changeable flow water distribution system |
| CN106918266A (en) * | 2015-12-28 | 2017-07-04 | 上海艾客制冷科技有限公司 | Variable-flow shower nozzle is spread in a kind of drainage |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2212181Y (en) * | 1994-09-21 | 1995-11-08 | 王腊华 | Water jet for cooling tower |
| CN201407950Y (en) * | 2009-04-29 | 2010-02-17 | 王伯成 | Down spraying nozzle for cooling tower |
| CN103234381A (en) * | 2013-05-13 | 2013-08-07 | 海门市大生水处理设备（厂）有限公司 | Circulating water sprinkling shower nozzle |
| CN203908388U (en) * | 2014-06-17 | 2014-10-29 | 上海理工大学 | Anti-wall-flow cooling tower sprinkle nozzle |
-
2014
- 2014-06-17 CN CN201410269171.4A patent/CN104048552B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2212181Y (en) * | 1994-09-21 | 1995-11-08 | 王腊华 | Water jet for cooling tower |
| CN201407950Y (en) * | 2009-04-29 | 2010-02-17 | 王伯成 | Down spraying nozzle for cooling tower |
| CN103234381A (en) * | 2013-05-13 | 2013-08-07 | 海门市大生水处理设备（厂）有限公司 | Circulating water sprinkling shower nozzle |
| CN203908388U (en) * | 2014-06-17 | 2014-10-29 | 上海理工大学 | Anti-wall-flow cooling tower sprinkle nozzle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104048552A (en) | 2014-09-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103353254B (en) | Spray nozzle, water distribution plate comprising same and cooling tower | |
| CN204718480U (en) | A kind of cooling tower water distribution system and cooling tower | |
| CN103521378A (en) | Spray gun device | |
| CN104048552B (en) | For cooling tower anti-wall flow shower nozzle | |
| CN104880118B (en) | A kind of cooling tower water distribution system, cooling tower and cooling tower decreasing water distribution method | |
| CN203908388U (en) | Anti-wall-flow cooling tower sprinkle nozzle | |
| CN204982446U (en) | Drum washing machine | |
| CN205102629U (en) | Energy -conserving cooling tower of high -efficient atomizing evaporation formula | |
| CN201512542U (en) | Blast furnace roof water injection gun | |
| CN107503088B (en) | Washing machine water inlet box and washing machine | |
| CN101099954A (en) | Atomized spray head | |
| CN201072313Y (en) | Sprayer | |
| CN217527944U (en) | Atomizing spray head assembly for opposite spraying arrangement | |
| CN202626322U (en) | Water jet type sprinkling device for electroplating bath | |
| CN203546054U (en) | Coal ejection gun of blast furnace | |
| CN209049578U (en) | A kind of waterfall type rotary nozzle | |
| CN205784818U (en) | Spiral type water-distribution nozzle for cooling tower | |
| CN203949554U (en) | A kind of anti-blocking efficient cooling tower water-distribution nozzle | |
| CN205412283U (en) | Falling film evaporation ware double plate liquid distributor device | |
| CN206838340U (en) | A kind of electrostatic nozzle for aviation structure | |
| CN204574922U (en) | A kind of cross flow cooling tower water distribution system | |
| CN211552586U (en) | Turbid water cooling tower shower nozzle | |
| CN205253750U (en) | Wire drawing eye die holder subassembly | |
| CN104492011A (en) | Multi-nozzle water mist spray head | |
| CN205223599U (en) | Dual atomizer is used to dyeing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |