CN203940777U - A kind of cooling tower energy efficiency control system in parallel - Google Patents
A kind of cooling tower energy efficiency control system in parallel Download PDFInfo
- Publication number
- CN203940777U CN203940777U CN201320834872.9U CN201320834872U CN203940777U CN 203940777 U CN203940777 U CN 203940777U CN 201320834872 U CN201320834872 U CN 201320834872U CN 203940777 U CN203940777 U CN 203940777U
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- CN
- China
- Prior art keywords
- cooling tower
- blower fan
- efficiency control
- temperature sensor
- water temperature
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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 - Lifetime
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 76
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000008400 supply water Substances 0.000 claims abstract description 10
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000005457 optimization Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 239000000498 cooling water Substances 0.000 description 6
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses a kind of cooling tower energy efficiency control system in parallel, there are efficiency control appliance and many blower fan of cooling tower, a blower fan of cooling tower frequency converter is set on described every blower fan of cooling tower, described many blower fan of cooling tower upper and lowers difference parallel join is on feed pipe and return pipe, supply water temperature sensor and return water temperature sensor are set respectively on described feed pipe and return pipe, described supply water temperature sensor and return water temperature sensor are connected to efficiency control appliance, on described efficiency control appliance, also connect an outdoor temperature humidity sensor is set.The utility model adds efficiency control appliance and various temperature sensor, by obtaining various temperature, humidity, transducer operational parameter, adjust work number of units and the operating frequency of optimizing blower fan of cooling tower, farthest reduce the work number of units of blower fan of cooling tower or the operating frequency of reduction blower fan of cooling tower, reach the object of energy-saving and emission-reduction, raising energy consumption.
Description
Technical field
The utility model belongs to civilian and field of energy-saving technology large-scale industrial cyclic cooling water system, relates to a kind of cooling water temperature system, relates in particular to a kind of cooling tower energy efficiency control system in parallel.
Background technology
Cooling tower cooling system is widely used in the numerous areas such as civilian central air conditioner system and industrial circulating cooling water system.In cooling water system, generally all can, according to many cooling towers of maximum cooling load design alternative, complete the cooling processing to recirculated water by pipe-line system in parallel.But in design of system control, often grasp in default of the fusion to HVAC and electric automatization, cause blower fan of cooling tower control device unreasonable, thereby in actual motion management, cannot effectively reduce blower fan of cooling tower operation energy consumption.
At present, to the control of blower fan of cooling tower substantially by cooling water temperature control fan operation number of units and running frequency.In terms of overall, control thinking and there is feasibility, but in concrete operations link and realizing in means, often, lack a set of perfect energy efficiency control system, can pass through simple data monitoring, judgement and setting operation number of units and running frequency switching point, thus be difficult to bring into play to greatest extent cooling tower operating efficiency.
Utility model content
The purpose of this utility model is to provide and improves a kind of cooling tower energy efficiency control system in parallel, falls behind and mechanical situation for solving current cooling tower control device, reduces blower fan of cooling tower operation energy consumption, improves efficiency level.
To achieve these goals, the technical scheme that the utility model provides is:
A kind of cooling tower energy efficiency control system in parallel, there are efficiency control appliance and many blower fan of cooling tower, on described every blower fan of cooling tower, arrange one for controlling the blower fan of cooling tower frequency converter of blower fan of cooling tower duty and operating frequency, described each blower fan of cooling tower frequency converter is docked on efficiency control appliance, described many blower fan of cooling tower upper and lowers difference parallel join is on feed pipe and return pipe, supply water temperature sensor and return water temperature sensor are set respectively on described feed pipe and return pipe, described supply water temperature sensor and return water temperature sensor are connected to efficiency control appliance, on described efficiency control appliance, also connect an outdoor temperature humidity sensor is set, for Real-Time Monitoring outdoor temperature and humidity.
On the feed pipe of described every blower fan of cooling tower and return pipe, be separately installed with electrically operated valve, described efficiency control appliance is according to the monitored data of outdoor temperature humidity sensor, supply water temperature sensor and return water temperature sensor, and the optimization of control blower fan of cooling tower frequency converter operation electrically operated valve arranges work number of units and the operating frequency of blower fan of cooling tower.
The beneficial effects of the utility model are, utilize a kind of cooling tower energy efficiency control system in parallel, add an efficiency control appliance, described efficiency control appliance can be by obtaining various temperature, humidity, transducer operational parameter, adjust work number of units and the operating frequency of optimizing blower fan of cooling tower, meeting on the basis of people's primary demand, farthest reducing the work number of units of blower fan of cooling tower or the operating frequency of reduction blower fan of cooling tower, reaching the object of energy-saving and emission-reduction, raising energy consumption.
Brief description of the drawings
Fig. 1 is the system architecture schematic diagram of the utility model embodiment.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
With reference to figure 1, the utility model embodiment provides a kind of cooling tower energy efficiency control system in parallel, be used for solving current cooling tower control device and fall behind situation, reduce blower fan of cooling tower operation energy consumption, improve efficiency level, described cooling tower energy efficiency control system in parallel, include efficiency control appliance 10 and many blower fan of cooling tower 20, on described every blower fan of cooling tower 20, arrange one for controlling the blower fan of cooling tower frequency converter 30 of blower fan of cooling tower 20 duties and operating frequency, described each blower fan of cooling tower frequency converter 30 is docked on efficiency control appliance 10, described many blower fan of cooling tower 20 upper and lowers difference parallel joins are on feed pipe 70 and return pipe 80, supply water temperature sensor 40 and return water temperature sensor 50 are set respectively on described feed pipe 70 and return pipe 80, for obtaining cooling load disposal ability and the actual treatment cooling load situation of cooling tower optimum, described supply water temperature sensor 40 and return water temperature sensor 50 are connected to efficiency control appliance 10, in addition, on described efficiency control appliance 10, also connect an outdoor temperature humidity sensor 60 is set, for Real-Time Monitoring outdoor temperature and humidity.
On the feed pipe 70 of described every blower fan of cooling tower 20 and return pipe 80, be separately installed with electrically operated valve 201, for operating blower fan of cooling tower 20.
Typically, the number of described blower fan of cooling tower is 3-8 platform.
When specific works, outdoor temperature humidity sensor 60 obtains outdoor temperature humidity data, outdoor temperature humidity signal enters after cooling tower efficiency control appliance 10, calculate air humidity temperature, thereby set cooling water return water temperature, set under requirement at this, carry out energy saving optimizing calculating, utilize the cube relation between blower fan of cooling tower power and air quantity and make full use of heat exchange area principle, the functional equation of design blower fan of cooling tower optimum operation pattern, calculating output cooling blower running frequency mates with the mapping of operation number of units, judge blower fan of cooling tower operation number of units and running frequency, in the time of 1 blower fan of cooling tower 50HZ of operation, its operate power is N, producing air quantity is 100%, if ensure that 100% air quantity is constant, move 2 25HZ, now total operate power is 0.25N, realizes energy-conservation 75%, in the time of 2 blower fan of cooling tower 50HZ of operation, its operate power is 2N, and producing air quantity is 200%, if ensure that 200% air quantity is constant, move 3 35HZ, now total operate power is 0.686N, realizes energy-conservation 31%.
Only enumerate two running operating point at this, set forth the energy saving space, in actual motion, the operating point that may move is numerous so, and the size of the energy saving space depends on moves control model at that time.Also need to consider the restriction of blower fan of cooling tower operation lower limit speed simultaneously.
In conjunction with Fig. 1, cooling tower energy efficiency control system in parallel described in the utility model, add an efficiency control appliance, described efficiency control appliance can be by obtaining various temperature, humidity, transducer operational parameter, adjust work number of units and the operating frequency of optimizing blower fan of cooling tower, meeting on the basis of people's primary demand, farthest reducing the work number of units of blower fan of cooling tower or the operating frequency of reduction blower fan of cooling tower, reaching the object of energy-saving and emission-reduction, raising energy consumption.
The above; it is only preferably detailed description of the invention of the utility model; but protection domain of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (2)
1. a cooling tower energy efficiency control system in parallel, it is characterized in that, there are efficiency control appliance and many blower fan of cooling tower, on described every blower fan of cooling tower, arrange one for controlling the blower fan of cooling tower frequency converter of blower fan of cooling tower duty and operating frequency, described each blower fan of cooling tower frequency converter is docked on efficiency control appliance, described many blower fan of cooling tower upper and lowers difference parallel join is on feed pipe and return pipe, supply water temperature sensor and return water temperature sensor are set respectively on described feed pipe and return pipe, described supply water temperature sensor and return water temperature sensor are connected to efficiency control appliance, on described efficiency control appliance, also connect an outdoor temperature humidity sensor is set, for Real-Time Monitoring outdoor temperature and humidity.
2. one as claimed in claim 1 cooling tower energy efficiency control system in parallel, it is characterized in that, on the feed pipe of described every blower fan of cooling tower and return pipe, be separately installed with electrically operated valve, described efficiency control appliance is according to the monitored data of outdoor temperature humidity sensor, supply water temperature sensor and return water temperature sensor, and the optimization of control blower fan of cooling tower frequency converter operation electrically operated valve arranges work number of units and the operating frequency of blower fan of cooling tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320834872.9U CN203940777U (en) | 2013-12-17 | 2013-12-17 | A kind of cooling tower energy efficiency control system in parallel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320834872.9U CN203940777U (en) | 2013-12-17 | 2013-12-17 | A kind of cooling tower energy efficiency control system in parallel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203940777U true CN203940777U (en) | 2014-11-12 |
Family
ID=51860085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320834872.9U Expired - Lifetime CN203940777U (en) | 2013-12-17 | 2013-12-17 | A kind of cooling tower energy efficiency control system in parallel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203940777U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157177A (en) * | 2015-09-18 | 2015-12-16 | 广州市设计院 | Method for controlling cooling tower outlet water temperature according to outdoor air state |
| CN105674791A (en) * | 2015-06-09 | 2016-06-15 | 邻元科技（北京）有限公司 | Cooling tower system based on centerless network, cooling tower controller and control method |
| CN106705742A (en) * | 2016-12-12 | 2017-05-24 | 万华化学集团股份有限公司 | Energy-saving control method for starting and stopping of circulating water packing cooling tower fans |
| CN107345777A (en) * | 2017-07-06 | 2017-11-14 | 扬州大学 | Cooling tower half adjusts the determination method that blower fan whole year frequency conversion becomes angle and optimizing operating scheme |
| CN112129015A (en) * | 2020-09-27 | 2020-12-25 | 厦门烟草工业有限责任公司 | Refrigeration system and control method thereof |
| CN112857132A (en) * | 2021-01-07 | 2021-05-28 | 丁一 | Cooling tower, cooling tower detection control method, device, equipment and storage medium |
-
2013
- 2013-12-17 CN CN201320834872.9U patent/CN203940777U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674791A (en) * | 2015-06-09 | 2016-06-15 | 邻元科技（北京）有限公司 | Cooling tower system based on centerless network, cooling tower controller and control method |
| CN105157177A (en) * | 2015-09-18 | 2015-12-16 | 广州市设计院 | Method for controlling cooling tower outlet water temperature according to outdoor air state |
| CN105157177B (en) * | 2015-09-18 | 2021-12-31 | 广州市设计院 | Method for controlling outlet water temperature of cooling tower according to outdoor air state |
| CN106705742A (en) * | 2016-12-12 | 2017-05-24 | 万华化学集团股份有限公司 | Energy-saving control method for starting and stopping of circulating water packing cooling tower fans |
| CN107345777A (en) * | 2017-07-06 | 2017-11-14 | 扬州大学 | Cooling tower half adjusts the determination method that blower fan whole year frequency conversion becomes angle and optimizing operating scheme |
| CN107345777B (en) * | 2017-07-06 | 2019-12-17 | 扬州大学 | Method for Determining Optimal Operation Plan of Variable Frequency and Angle of Cooling Tower Semi-regulating Fans in a Year |
| CN112129015A (en) * | 2020-09-27 | 2020-12-25 | 厦门烟草工业有限责任公司 | Refrigeration system and control method thereof |
| CN112857132A (en) * | 2021-01-07 | 2021-05-28 | 丁一 | Cooling tower, cooling tower detection control method, device, equipment and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 361000 unit 213, zone Z, Shengtong Center II, No. 40, Xiangyun 1st Road, Xiamen area, Xiamen pilot Free Trade Zone, Fujian Province Patentee after: Fujian baishide Energy Technology Co.,Ltd. Address before: 518000 overseas student Pioneer Building, Nanshan District hi tech Zone, Guangdong, Shenzhen 1407 Patentee before: SHENZHEN BUILDING ENERGY ENVIRONMENT SOLUTIONS & TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141112 |