CN208282646U - Open cooling tower parallel system - Google Patents
Open cooling tower parallel system Download PDFInfo
- Publication number
- CN208282646U CN208282646U CN201820789397.0U CN201820789397U CN208282646U CN 208282646 U CN208282646 U CN 208282646U CN 201820789397 U CN201820789397 U CN 201820789397U CN 208282646 U CN208282646 U CN 208282646U
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- CN
- China
- Prior art keywords
- cooling tower
- water
- outlet pipe
- interlocked valve
- water inlet
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- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to central air-conditioning mounting technique fields, disclose a kind of open cooling tower parallel system, it include: multiple cooling towers, the water inlet pipe of each cooling tower connects water inlet manifold, the water-storing tray of each cooling tower bottom connects return main by outlet pipe, the water inlet pipe of each cooling tower is equipped with the first interlocked valve, outlet pipe is equipped with the second interlocked valve, and for each cooling tower, the caliber of the first interlocked valve on its water inlet pipe and the interlocking connection of its second interlocked valve of outlet pipe, the corresponding outlet pipe of each cooling tower is consistent with the caliber of return main.In the open cooling tower parallel system of the utility model, under the cooling tower operating condition of part, booting moment, the first interlocked valve of idle cooling tower and the second interlocked valve interlocking close avoid vaccuum phenomenon；And the water energy of the water-storing tray of cooling tower in work can be made to smoothly flow out along outlet pipe, avoid overflow phenomena.
Description
Technical field
The utility model relates to central air-conditioning mounting technique field, in particular to a kind of open cooling tower parallel system.
Background technique
More open cooling towers (show the knot of two open cooling tower parallel connections as shown in Figure 1 by common manifold parallel connection
Structure), the bottom of each cooling tower 1 is equipped with water-storing tray 13, and respective water inlet pipe 11 connects water inlet manifold 2, respective water-storing tray
13 connect return main 3 by outlet pipe 15 respectively.Water-storing tray 13 is equipped with overflow pipe 14, and water supply pipe 4 is respectively communicated with each cooling
The water-storing tray 13 of tower 1.In order to reduce the resistance that return water converges in return main 3, the caliber of usual return main 3 be greater than it is each go out
15 caliber of water pipe.
When only running part cooling tower (such as: the cooling tower 1 on the right is opened in Fig. 1, and the cooling tower 1 on the left side is closed),
Booting moment closes the electric butterfly valve 12 on the water inlet pipe 11 of left side cooling tower 1, the electronic butterfly on 1 water inlet pipe 11 of the right cooling tower
Valve 12 stays open, and the valve 16 on two 1 outlet pipes 15 of cooling tower stays open.13 water level of water-storing tray of left side cooling tower 1
Rapid decrease and automatic water replenishing system does not catch up with (i.e. water supply pipe 4 is not caught up with), it may appear that the water of the water-storing tray 13 of left side cooling tower 1
Position drops at the A of return main 3, and air is caused to be entrained into cooling water system and form vaccuum phenomenon；The right cooling tower 1 is deposited
13 water level of water pond rises and 14 water yield of overflow pipe when not catching up with, it may appear that 13 overflow phenomena of water-storing tray of the right cooling tower 1.
Currently in order to the cooling tower of closing is overcome to evacuate, the cooling tower flooding problems of opening, by increasing mounting height H
(distance of the 13 highest water surface of water-storing tray to return main 3) or the depth for deepening water-storing tray, alleviates above-mentioned to a certain extent
Problem, but suitable diameter of overflow pipe (guaranteeing that water-storing tray is not in overflow) is needed to design accurate floating ball valve of rehydration height
Calculating, enough mounting heights and water-storing tray depth (part project installation position is difficult or impacts to the facade etc. of building,
Lead to that height H can not increase or water-storing tray depth can not deepen) etc. under the conditions of be just able to achieve.It can be seen that numerous uncertain factors
The problem of making part cooling tower inevitably will appear water-storing tray overflow when running, evacuate.
Utility model content
The utility model proposes a kind of open cooling tower parallel system, cooling tower section fortune in parallel in the prior art is solved
Occurs the problem of evacuation and overflow when row.
A kind of open cooling tower parallel system of the utility model, comprising: multiple cooling towers, the water inlet pipe of each cooling tower
Water inlet manifold is connected, the water-storing tray of each cooling tower bottom connects return main, the water inlet pipe of each cooling tower by outlet pipe
It is equipped with the first interlocked valve, outlet pipe is equipped with the second interlocked valve, and for each cooling tower, the first interlocking on water inlet pipe
Valve and the interlocking connection of its second interlocked valve of outlet pipe, the caliber of the corresponding outlet pipe of each cooling tower and the caliber one of return main
It causes.
Wherein, the water-storing tray of two neighboring cooling tower is connected to by balance pipe.
Wherein, pipeline section of the outlet pipe of each cooling tower between the second interlocked valve and return main along return water direction to
Under be obliquely installed.
In the open cooling tower parallel system of the utility model, under the cooling tower operating condition of part, booting moment does not work
Cooling tower the first interlocked valve and the second interlocked valve interlocking close, avoid vaccuum phenomenon；And the pipe of return main
Diameter is greater than outlet pipe caliber, guarantees that return main's is small as far as possible along journey water resistance, makes the water of the water-storing tray of the cooling tower in work
It can be smoothly flowed out along outlet pipe, avoid overflow phenomena.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of open cooling tower parallel system structural schematic diagram of the prior art；
Fig. 2 is a kind of open cooling tower parallel system structural schematic diagram of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
The open cooling tower parallel system of the present embodiment is as shown in Figure 2, comprising: multiple cooling towers 1 (show two in figure
The structure of cooling tower 1), the water inlet pipe 11 of each cooling tower 1 connects water inlet manifold 2, and the water-storing tray 13 of each 1 bottom of cooling tower is logical
It crosses outlet pipe 15 and connects return main 3, water-storing tray 13 is equipped with the overflow pipe 14 for avoiding overflow.In the present embodiment, each cooling
The water inlet pipe 11 of tower 1 is equipped with the first interlocked valve 12, and outlet pipe 15 is equipped with the second interlocked valve 17, and for each cooling tower 1,
The first interlocked valve 12 and the interlocking connection of its 15 second interlocked valve 17 of outlet pipe on its water inlet pipe 11 (are opened simultaneously or are closed simultaneously
Close), the caliber of the corresponding outlet pipe 15 of each cooling tower is consistent with the caliber of return main 3.
In the open cooling tower parallel system of the present embodiment, under 1 operating condition of part cooling tower, booting moment does not work
Cooling tower 1 17 interlocking close of the first interlocked valve 12 and the second interlocked valve, avoid vaccuum phenomenon；And outlet pipe 15
Caliber and the caliber of return main 3 be consistent, interior water flow velocity is smaller, guarantees overcoming along journey water resistance for entire water return pipeline
Measure small, corresponding dynamic pressure is smaller, according to hydrodynamics formula Py=λ L/d (V2/ 2g) it is found that in length of pipe L, gravity acceleration g
It is remained unchanged with coefficient of friction λ, pipeline diameter d increases, when flow velocity V reduces, along journey water resistance PyCan substantially it reduce, thus H > Py+
Pj, H this height provide hydraulic pressure overcome P enoughy+PjSum, PjIndicate threeway etc. on valve and water return pipeline on outlet pipe 15
Local resistance guarantees that flow is equal at the first interlocked valve 12 and the second interlocked valve 17 of the cooling tower 1 in work, and is unlikely to
Flow at existing second interlocked valve 17 makes the water-storing tray 13 of the cooling tower 1 in work less than the flow at the first interlocked valve 12
Water energy is smoothly flowed out along outlet pipe 15, avoids overflow phenomena.
In the present embodiment, the water-storing tray 13 of two neighboring cooling tower 1 is connected to by balance pipe 5, keeps each water-storing tray 13
Water balance is equivalent to the capacity for expanding the water-storing tray 13 of single cooling tower 1, greatly reduces overflow odds.Balance
Valve on pipe 5 maintains a normally open state at work, only closes in washing cooling tower 1, in order to avoid mutually polluted in cleaning.
In the present embodiment, pipeline section of the outlet pipe 15 of each cooling tower 1 between the second interlocked valve 17 and return main 3
Setting is tilted down along return water direction, reduces resistance caused by water vertical impact, keeps water flow more smooth, overflow is further prevented to send out
It is raw.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (3)
1. a kind of open cooling tower parallel system, comprising: the water inlet pipe of multiple cooling towers, each cooling tower connects water inlet manifold,
The water-storing tray of each cooling tower bottom connects return main by outlet pipe, which is characterized in that on the water inlet pipe of each cooling tower
Equipped with the first interlocked valve, outlet pipe is equipped with the second interlocked valve, and for each cooling tower, the first interlocked valve on water inlet pipe
It interlocks and connects with its second interlocked valve of outlet pipe, the caliber of the corresponding outlet pipe of each cooling tower and the caliber one of return main
It causes.
2. open cooling tower parallel system as described in claim 1, which is characterized in that the water-storing tray of two neighboring cooling tower is logical
The connection of overbalance pipe.
3. open cooling tower parallel system as claimed in claim 1 or 2, which is characterized in that the outlet pipe position of each cooling tower
Pipeline section between the second interlocked valve and return main tilts down setting along return water direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820789397.0U CN208282646U (en) | 2018-05-24 | 2018-05-24 | Open cooling tower parallel system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820789397.0U CN208282646U (en) | 2018-05-24 | 2018-05-24 | Open cooling tower parallel system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208282646U true CN208282646U (en) | 2018-12-25 |
Family
ID=64704888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820789397.0U Expired - Fee Related CN208282646U (en) | 2018-05-24 | 2018-05-24 | Open cooling tower parallel system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208282646U (en) |
-
2018
- 2018-05-24 CN CN201820789397.0U patent/CN208282646U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181225 Termination date: 20200524 |