CN107478090A - The method of supplying water and system of a kind of cooling tower - Google Patents
The method of supplying water and system of a kind of cooling tower Download PDFInfo
- Publication number
- CN107478090A CN107478090A CN201710682112.3A CN201710682112A CN107478090A CN 107478090 A CN107478090 A CN 107478090A CN 201710682112 A CN201710682112 A CN 201710682112A CN 107478090 A CN107478090 A CN 107478090A
- Authority
- CN
- China
- Prior art keywords
- water
- water supply
- cooling tower
- supply network
- liquid level
- 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.)
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Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
- F28F27/003—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus specially adapted for cooling towers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
- F28F2265/14—Safety or protection arrangements; Arrangements for preventing malfunction for preventing damage by freezing, e.g. for accommodating volume expansion
Abstract
It is an object of the invention to provide a kind of method of supplying water of cooling tower and system.The cooling tower includes a liquid level gauge, the water system includes the first water supply network and the second water supply network, wherein, the liquid level gauge controls the water supplying operation of first water supply network by motor-driven valve, and the water supplying operation of second water supply network is controlled by ball-cock assembly.The advantage of the invention is that：By providing two sets of water supply networks, the stability of water supply can be effectively improved, also, the set water supply network is controlled by using the liquid level gauge with sensor, it is possible to increase the precision of water supply, improve the stability of cooling tower.It in addition, by the way that the set water supply network is positioned over into interior, can reduce because of situations such as frozen pipe caused by winter cold, and the demand of heating pipe can be reduced, so as to largely save the expenditure of heating pipe.
Description
Technical field
The present invention relates to the method for supplying water and system in cooling technology field, more particularly to a kind of cooling tower.
Background technology
Cooling tower is the visual plant in some mega project water circulation systems such as data center, factory, along with cold tower
Heat exchange can evaporate large quantity of moisture, and the moisturizing work of cooling tower is just particularly important, particularly many cold in the winter of cold
But often there is situations such as frozen pipe in tower water pipe, influences cooling tower normal operation and then brings danger to water circulation system operation
Evil.
Existing cooling tower moisturizing is largely to set mechanical water supplement port in cooling tower body and set independent filling pipe
Road, changed using ball-cock assembly according to liquid level and moisturizing is carried out to cold tower.
Because usual cooling tower is located at roof, water pipe stroke is longer and the room of being placed in be subjected to outer wind expose to the sun and rain can pair
Pipeline damages, and frozen pipe phenomenon easily occurs when running in the winter time causes stifled, cracking of pipeline ice etc. to influence system normal operation,
Many puzzlements are brought to operation maintenance personnel.Secondly, traditional cooling tower water pipe in order to prevent frozen pipe can along pipeline lay electricity plus
Heated filament, but the usual power of electrical heating is larger causes extra energy consumption, and fracture easily occurs and loses heating efficiency, stability compared with
Difference.
The content of the invention
It is an object of the invention to provide a kind of method of supplying water of cooling tower and system.
According to the solution of the present invention, there is provided a kind of water system of cooling tower, wherein, the cooling tower includes a liquid level
Meter, the water system include the first water supply network and the second water supply network, wherein, the liquid level gauge controls institute by motor-driven valve
The water supplying operation of the first water supply network is stated, and the water supplying operation of second water supply network is controlled by ball-cock assembly.
A kind of method of supplying water of cooling tower is additionally provided according to an aspect of the present invention, wherein, the cooling tower includes
One liquid level gauge, the water system of the cooling tower include the first water supply network and the second water supply network, wherein, methods described bag
Include：
- the liquid level gauge controls the water supplying operation of first water supply network by motor-driven valve, and；
- water supplying operation of second water supply network is controlled by the ball-cock assembly of the liquid level gauge.
Compared with prior art, the present invention has advantages below：According to the solution of the present invention, by providing two sets of water supply networks
Network, the stability of water supply can be effectively improved, also, the set water supply network is carried out by using the liquid level gauge with sensor
Control, it is possible to increase the precision of water supply, improve the stability of cooling tower.In addition, by the way that the set water supply network is positioned over into interior,
It can reduce because of situations such as frozen pipe caused by winter cold, and the demand of heating pipe can be reduced, so as in very great Cheng
The expenditure of heating pipe is saved on degree.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, of the invention is other
Feature, objects and advantages will become more apparent upon：
Fig. 1 illustrates a kind of schematic diagram of water system according to a preferred embodiment of the present invention；
Fig. 2 illustrates the enlarged drawing of Blocked portion in Fig. 1；
Fig. 3 illustrates a kind of schematic diagram of liquid level gauge according to a preferred embodiment of the present invention.
Same or analogous reference represents same or analogous part in accompanying drawing.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Reference picture 1, Fig. 1 illustrate a kind of system signal of water system according to a preferred embodiment of the present invention
Figure.
Wherein, the first water supply network and the second water supply network are included according to the water system of the present invention；First water supply network
With the relatively independent water supply line cutover with cooling tower of ground of the second water supply network, that is, two water supply networks be independent of each other it is mutual
Water supply function.
Wherein, first water supply network and the second water supply network are controlled by the liquid level gauge in cooling tower respectively.
Specifically, the liquid level gauge has sensor corresponding with the first level threshold and the second level threshold, wherein, first
Level threshold is higher than the second level threshold.
Wherein, the water supplying operation of the first water supply network by the motor-driven valve that is controlled by the liquid level gauge in cooling tower come real
It is existing.
Preferably, the motor-driven valve in the first water supply network can receive the control signal of the liquid level gauge in cooling tower,
And the control signal is based on, carry out control valve folding.
Those skilled in the art will be understood that motor-driven valve can receive the control signal in several ways, for example, logical
Extra pulse signal, in another example, pass through wireless transmission signal, such as Bluetooth signal etc..
Wherein, the water supplying operation of the second water supply network is by being controlled by the buoyant spheres of the liquid level gauge in cooling tower in itself
Ball-cock assembly is realized.
When under water level corresponding to liquid level drops to ball-cock assembly, ball-cock assembly automatically opens up, and is supplied water by the second water supply network.
Preferably, according to the solution of the present invention, the first water supply network is positioned at interior.
Embodiment with reference to shown in Fig. 1 includes cooling tower T1, T2 and T3, the first water supply network and the second water supply network.Its
In, the first water supply network includes main line L1 and branch line L11, L12 and L13 for cutover to cooling tower；Second water supply network
Including main line L2 and branch line L21, L22 and L23 for being supplied water to cooling tower.
Preferably, the first water supply network is located at outside attic positioned at interior, the second water supply network.
Wherein, the second water supply network and remaining pipeline are the supply channel that existing water system is included, herein no longer
Repeat.
Wherein, main line L1 can be loop design.
Wherein, the Blocked portion in Fig. 1 is that the first water supply network is used for cutover to the branch line L11 of cooling tower T1 feed pipe
Structure, with reference to Fig. 2, Fig. 2 illustrates the enlarged drawing of the Blocked portion.
Wherein, branch line L11 includes a motor-driven valve, the control of the acceptable liquid level gauge in cooling tower T1 of the motor-driven valve
Signal, to be supplied water.
Wherein also there is the Hand-operated butterfly valve with the motor-driven valve and company according to the first water supply network of the present invention, with the electricity
During dynamic valve failure, another water supply path is formed.
With reference to figure 1, the Hand-operated butterfly valve in parallel with the motor-driven valve is may also include in branch line L11, the Hand-operated butterfly valve can be in electricity
When dynamic valve breaks down, manual unlocking, to form another water supply path, ensure that the first water supply network supplies water to cooling tower T1.
Preferably, those skilled in the art are, it is to be appreciated that can be single by being installed at the necessary node of main line or branch line
To valve, to ensure flow direction.For example, the check valve towards cooling tower T1 is installed in branch line L11, to ensure current therein
Flow to cooling tower, and non-return refluence.
In another example with reference to figure 1, check valve can be installed at the both ends of L1 loop, to ensure flow direction and cooling tower pair
The each branch line answered.
It is highly preferred that those skilled in the art are, it is to be appreciated that can be according to actual conditions and demand, in the first water supply network
Hand-operated butterfly valve is installed at necessary node.For example, Hand-operated butterfly valve can be installed at the both ends of the motor-driven valve or check valve, passed through with blocking
The current of the motor-driven valve or check valve, consequently facilitating the motor-driven valve or check valve are detected and repaired in itself.
According to the solution of the present invention, when liquid level gauge detects that cooling tower water level is less than first watermark threshold, control
First water supply network supplies water to the cooling tower；And when being less than second watermark threshold to cooling tower water level, control
First water supply network and second water supply network supply water to the cooling tower simultaneously.
Specifically, when the sensor of liquid level gauge detects that cooling tower water level is less than first watermark threshold, liquid level gauge
First motor-driven valve is controlled to open, to be supplied water from first water supply network to the cooling tower.
It is highly preferred that liquid level gauge can be according to the water level detected relative to first watermark threshold difference, control institute
State the open angle of motor-driven valve.
For example, with reference to figure 3, Fig. 3 is illustrated in cooling tower water-collecting tray according to a preferred embodiment of the present invention
The schematic diagram of liquid level gauge.Wherein, the liquid level gauge is connected to controller, for sending control signal.The cooling tower water-collecting tray
Current level is 35 centimetres, and the first level threshold of liquid level gauge is 30 centimetres, and the second level threshold is 20 centimetres, wherein, height
Difference is 10 centimetres between level threshold, based on the difference 0-100 millimeters between current sensed water level and high level threshold value (i.e.
0-10 centimetres), its transmissible signal intensity of liquid level gauge controller is divided into 0-100 unit, and each unit corresponds to motor-driven valve
One aperture, that is, the motor-driven valve also has 0-100 aperture accordingly.When between the water level and high level threshold value detected
Difference when being 1 centimetre, the liquid level gauge sends control signal of the intensity for 10 units, and corresponding motor-driven valve opens 10 apertures
Supplied water.
According to the solution of the present invention, by providing two sets of water supply networks, the stability of water supply can be effectively improved, also,
The set water supply network is controlled by using the liquid level gauge with sensor, it is possible to increase the precision of water supply, improve cooling
The stability of tower.In addition, being positioned over interior by the water supply network for controlling this by motor-driven valve, can reduce because winter is cold
Caused by frozen pipe situations such as, and the demand of heating pipe can be reduced, so as to largely save the branch of heating pipe
Go out, and improve the overall reliability of water system.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.This
Outside, it is clear that the word of " comprising " one is not excluded for other units or step, and odd number is not excluded for plural number.That is stated in system claims is multiple
Unit or device can also be realized by a unit or device by software or hardware.The first, the second grade word is used for table
Show title, and be not offered as any specific order.
Claims (10)
1. a kind of water system of cooling tower, wherein, the cooling tower includes a liquid level gauge, and the water system includes first and supplied
Water Network and the second water supply network, wherein, the liquid level gauge controls the water supplying operation of first water supply network by motor-driven valve,
And the water supplying operation of second water supply network is controlled by ball-cock assembly.
2. water system according to claim 1, wherein, the liquid level gauge has the first watermark threshold and the second water level threshold
Value；The liquid level gauge is used for when detecting that cooling tower water level is less than first watermark threshold, controls first water supply network
Supplied water to the cooling tower；And when detecting that cooling tower water level is less than second watermark threshold, control described first is supplied water
Network and second water supply network supply water to the cooling tower simultaneously.
3. water system according to claim 2, wherein, the liquid level gauge is used to controlling the of first water supply network
One motor-driven valve, when detecting that cooling tower water level is less than first watermark threshold, liquid level gauge controls first motor-driven valve
Open, to be supplied water from first water supply network to the cooling tower.
4. water system according to claim 3, wherein, the liquid level gauge can be according to the water level detected relative to described
The difference of first watermark threshold, control the open angle of the motor-driven valve.
5. water system according to any one of claim 1 to 4, wherein, the upstream and downstream of the motor-driven valve is each connected
One Hand-operated butterfly valve, to block the current in motor-driven valve place path.
6. water system according to claim 5, wherein, first water supply network also has and the motor-driven valve and company
Hand-operated butterfly valve, in the motor-driven valve failure, to form another water supply path.
7. a kind of method of supplying water of cooling tower, wherein, the cooling tower includes a liquid level gauge, the water system bag of the cooling tower
The first water supply network and the second water supply network are included, wherein, methods described includes：
- the liquid level gauge controls the water supplying operation of first water supply network by motor-driven valve, and；
- water supplying operation of second water supply network is controlled by the ball-cock assembly of the liquid level gauge.
8. according to the method for claim 7, wherein, the liquid level gauge has the first watermark threshold and the second watermark threshold,
It the described method comprises the following steps：
- when liquid level gauge detects that cooling tower water level is less than first watermark threshold, first water supply network is controlled to institute
State cooling tower water supply；
- when the ball float of liquid level gauge is less than second watermark threshold, ball-cock assembly open, with control first water supply network with
And second water supply network supplies water to the cooling tower simultaneously.
9. water system according to claim 8, wherein, methods described is further comprising the steps of：
- liquid level gauge is used to control the first motor-driven valve of first water supply network, when detecting cooling tower water level less than described
During the first watermark threshold, liquid level gauge controls first motor-driven valve to open, with from first water supply network to the cooling tower
Supply water.
10. according to the method for claim 9, wherein, methods described is further comprising the steps of：
Difference of-the liquid level gauge according to the water level detected relative to first watermark threshold, control the opening of the motor-driven valve
Angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710682112.3A CN107478090B (en) | 2017-08-10 | 2017-08-10 | A kind of method of supplying water and system of cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710682112.3A CN107478090B (en) | 2017-08-10 | 2017-08-10 | A kind of method of supplying water and system of cooling tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107478090A true CN107478090A (en) | 2017-12-15 |
| CN107478090B CN107478090B (en) | 2019-07-23 |
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ID=60599246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710682112.3A Active CN107478090B (en) | 2017-08-10 | 2017-08-10 | A kind of method of supplying water and system of cooling tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112700627A (en) * | 2020-12-31 | 2021-04-23 | 新奥数能科技有限公司 | Method and device for alarming abnormality of water supply of cooling tower and terminal equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205383930U (en) * | 2016-03-18 | 2016-07-13 | 浙江宝亮特种薄膜有限公司 | Cooling tower automatic water supply controlling means |
| CN205505349U (en) * | 2016-01-28 | 2016-08-24 | 天津中怡建筑规划设计有限公司 | High -rise building central air conditioning system condensate recovery utilizes device |
| CN106091797A (en) * | 2016-06-21 | 2016-11-09 | 中国神华能源股份有限公司 | Large Copacity circulating cooling water tower mends water discharge method and system |
| CN206069531U (en) * | 2016-07-11 | 2017-04-05 | 西安民力水处理有限公司 | A kind of new on-line monitoring water softener |
-
2017
- 2017-08-10 CN CN201710682112.3A patent/CN107478090B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205505349U (en) * | 2016-01-28 | 2016-08-24 | 天津中怡建筑规划设计有限公司 | High -rise building central air conditioning system condensate recovery utilizes device |
| CN205383930U (en) * | 2016-03-18 | 2016-07-13 | 浙江宝亮特种薄膜有限公司 | Cooling tower automatic water supply controlling means |
| CN106091797A (en) * | 2016-06-21 | 2016-11-09 | 中国神华能源股份有限公司 | Large Copacity circulating cooling water tower mends water discharge method and system |
| CN206069531U (en) * | 2016-07-11 | 2017-04-05 | 西安民力水处理有限公司 | A kind of new on-line monitoring water softener |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112700627A (en) * | 2020-12-31 | 2021-04-23 | 新奥数能科技有限公司 | Method and device for alarming abnormality of water supply of cooling tower and terminal equipment |
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| Publication number | Publication date |
|---|---|
| CN107478090B (en) | 2019-07-23 |
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