CN201569355U - Efficient and energy-saving industrial circulating water control system - Google Patents
Efficient and energy-saving industrial circulating water control system Download PDFInfo
- Publication number
- CN201569355U CN201569355U CN2008201066716U CN200820106671U CN201569355U CN 201569355 U CN201569355 U CN 201569355U CN 2008201066716 U CN2008201066716 U CN 2008201066716U CN 200820106671 U CN200820106671 U CN 200820106671U CN 201569355 U CN201569355 U CN 201569355U
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- cooling water
- frequency converter
- water pump
- signal processor
- energy
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
Abstract
The utility model relates to an efficient and energy-saving industrial circulating water control system. The improved system comprises a power-wasting user side, a cooling water pump package, an on-line signal acquisition card consisting of a display unit, a measuring unit and a sensor, a system management unit consisting of a signal processor, and a heat exchange unit consisting of a cooling tower, a blower set and a cooling water pipe; a cooling water outlet pipe of the user end is connected with the cooling tower (3); the cooling tower is connected with the cooling water pump package through the cooling water pipe; and the cooling water pump package is connected with a cooling water inlet pipe of the user end. In the system, a cooling water inlet temperature sensor and a cooling water outlet temperature sensor are mounted on the nodes of the cooling water inlet and outlet pipes; an outdoor temperature sensor and a cooling water outlet pressure sensor are mounted outdoors; signals collects by the sensors are sent to the signal processor through the signal acquisition cards, converted into regulation and control signals after processed, and then respectively sent to a frequency converter or another frequency converter; the related frequency converters set the working state of a matched cooling water pump or a matched blower through a three-phase cable; and meanwhile, the signal processor sends the calculation, comparison and regulation and control result to a display screen, and the result is recorded in a memorizer.
Description
Technical field
The utility model relates to the designing technique of industrial cycle water system, particularly relates to the energy-efficient control system of industrial circulating water.
Background technology
The circulation driving arrangement that comprises water in the existing industrial cycle water system, for example the treatment facility again of water pump and recirculated water is listed as the blower fan in the cooling tower, is crucial energy dissipation device.The notice of Energy Saving Control is to pay attention to selecting high efficiency water pump, blower fan mostly in the existing design, target component and desired quantity in the design of employing system, row as flow and flow velocity as control signal, regulate, control water pump, rotation speed of fan, change and carry fluid flow, to reach purpose of energy saving.The energy-conservation amplitude of this kind control method is limited.Said system has only been paid attention to safety and reliability in traditional design concept, ignored science and energy-conservation.Because during design, design when the industrial cycle water system is must be by load maximum, and stay the 10-20% design margin, yet in fact most time systems are can not operate under the full load condition, there be bigger having more than needed, so energy-conservation potentiality are just bigger, cooling water pump and cooling blower can not be made corresponding adjusting with load variations, so there is very big waste.
The flow of water pump, blower fan system and pressure reduction are to lean on shutoff valve and flow divider to regulate to finish, therefore, there is the phenomenon of dam more greatly loss and big flow, high pressure, the low temperature difference inevitably, not only waste electric energy in a large number, but also the system least significant end of causing do not reach the situation of reasonable effect.In the existing use, make easily to cause water pump in the adjusting system, blower fan appearance " big flow, poor efficiency, high energy consumption " problem and equipment coupling, running un-reasonable phenomenon.The setting of the online running of superpower motor, water pump, blower fan and a large amount of pipeline control valves has exposed the crucial disadvantage in the existing system.Particularly in computer technology develop rapidly and sensor technology today day by day accurately, these problems cause easily that motor operating current is excessive, heating temp is high, the life-span shortens, sometimes also cause motor overload overheated and burn out coil, equipment fault hidden danger such as equipment operation vibrations are big, noise height.The energy-efficient system of industrial circulating water that adopts modern control technology to transform us has been extremely urgent.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provides a kind of industrial circulating water energy-efficient control system, to realize utilizing the transmission course of a plurality of parameter regulation and control industrial circulating waters.Reach and save motor power consumption, improve system effectiveness, reduce operating cost, guarantee that the industrial cycle wetting system is stable, efficient, long-time running.
The technology that the utility model adopts many reference amounts that the industrial cycle water system is controlled, these technical schemes at each controlled device need take all that online signal monitoring, CPU are intelligently handled, empirical data comparison and control model select the back that corresponding supporting frequency converter is controlled, simultaneously analysis result and the transmission of online treatment step are delivered on display screen and numeral, the meter show, for controlling personnel's monitoring.
For achieving the above object, the utility model provides the design of the energy-efficient system of a kind of industrial circulating water.Comprise the power consumption user side in the system, cooling water pump group, the System Management Unit that online data acquisition card that display unit, metering units, sensor groups are synthesized and signal processor are formed.The heat exchange unit that cooling tower, blower fan group and cooling water pipe are formed.The coolant outlet water pipe of above-mentioned user terminal is connected with cooling tower, and cooling tower is connected with the cooling water pump group through cooling water pipe, and the cooling water pump group is connected with the cooling water inlet pipe of user side.Crucial design is: the cooling water of native system advances, on the node of outlet water lines the cooling water inlet temperature sensor is installed, the cooling water outlet temperature sensor, the open air is equipped with the outdoor temperature sensor, the coolant outlet pressure sensor, deliver to signal processor with the signal that upper sensor collects through data acquisition card, being converted into adjustment signal after treatment delivers to respectively and connects frequency converter group (5) or frequency converter, relevant frequency converter is set the duty of supporting cooling water pump or supporting blower fan by threephase cable, the synchronous signal processor, to analyze, calculate, relatively, the result of regulation and control is transported on the display screen, and is recorded in the memory.
Compared with prior art, good effect of the present utility model is:
The energy-efficient control system of industrial circulating water is simple and compact for structure, with low cost in the utility model, automaticity is high, man-machine interface operation, monitoring in real time, installation and maintenance are convenient, can directly on existing structure, transform, it is applied widely, be easy to apply, can save simultaneously the industrial cycle water system motor power consumption, improve the main frame operational efficiency, reduce cost, guarantee the stable operation of industrial cycle water system.
Description of drawings
Fig. 1 is a frame structure schematic diagram of the present utility model
Marginal data
1, user side 2, cooling water pump group
3, cooling tower 4, blower fan
5, the supporting frequency converter of frequency converter 6, blower fan of cooling water pump assembly cover
7, cooling water inlet pipe 8, cooling water outlet pipe
9, cooling water inlet temperature sensor 10, cooling water outlet temperature sensor
11, cooling water data acquisition card 12, signal processor
13, outdoor temperature sensor 14, display unit
15, metering units 16, coolant outlet pressure sensor
Be described in further details to the purpose of utility model below with reference to accompanying drawing and how realize.
The specific embodiment
Can find out clearly that with reference to Fig. 1 the energy-efficient control system of this industrial circulating water comprises power consumption user side 1 in the system; Cooling water pump group 2; The System Management Unit that online data acquisition card 11 that display unit 14, metering units 15, sensor groups are synthesized and signal processor 12 are formed; The circulating water treatment unit that cooling tower 3, blower fan group 4 and cooling water pipe are formed.The coolant outlet water pipe 8 of above-mentioned user side 1 is connected with cooling tower 3, and cooling tower is connected with cooling water pump group 2 through cooling water pipe, and cooling water pump group 2 is connected with the cooling water inlet pipe of user side 1.Key Design is: the cooling water of native system advances, on the node of outlet water lines cooling water inlet temperature sensor 9 is installed, cooling water outlet temperature sensor 10, the open air is equipped with outdoor temperature sensor 13, coolant outlet pressure sensor 15, deliver to signal processor 12 with the signal that upper sensor collects through data acquisition card 11, being converted into adjustment signal after treatment delivers to respectively and connects frequency converter group 5 or frequency converter 6, relevant frequency converter is set the duty of supporting cooling water pump or supporting blower fan by threephase cable, synchronous signal processor 12, with analytical calculation, relatively, the result of regulation and control is transported on the display screen 14, and is recorded in the memory.
Be provided with in the signal processor 12 to store and be connected the memory that the empirical data of the sampling parameter value of each node of user side and this numerical value change scope thereof is tabulated with following of normal operating mode grade, code and various mode hierarchies that each line state of pipe network is determined according to the operating index of external environment condition, power consumption user side 1.
Also be provided with in the signal processor 12 store with according to online acquisition to data and empirical data comparison and the result that the analyzes adjustment that is delivered directly to display unit 14 instruct the link vector table.
The corresponding setting of platform number of the quantity of the frequency converter in the frequency converter group 5 and water pump, the corresponding setting of group number of the quantity of frequency converter and blower fan is supporting with the branch road of transmission recirculated water respectively in the frequency converter group 6.
Each node place that connects circulation line between cooling water pump and the user side 1 only is provided for overhauling the stop valve of pipeline.
Signal processor 12 is to adopt Programmable Logic Controller 6ES7-134.
The utility model operation principle: in the cooling water subsystem of the present utility model, cooling water is set to 28-30 ℃ according to the general inflow temperature of system requirements, and leaving water temperature is set to 33～36 ℃.In 33-36 ℃ of setting signal storage and signal processor, the signal of cooling water outlet temperature sensor, cooling water inlet temperature sensor, pressure sensor is sent into signal processor through data acquisition card as error feedback signal and is compared, and through the pi element computing, the result sends into the frequency changer circuit in the cooling water pump group frequency converter, mutagenic frequency, send into the cooling water pump group by threephase cable again and regulate its running frequency, control cooling water subsystem flow.Simultaneously another group data are sent into the frequency changer circuit in the blower fan of cooling tower frequency converter, mutagenic frequency is sent into its running frequency of Fan Regulation by threephase cable again, regulates the cooling tower cooling air quantity.The synchronous signal processor is transported to touch display screen with the analytical calculation comparative result and above the digital meter.
The energy-efficient control system of this industrial circulating water, advancing at the cooling water of industrial cycle water system respectively, temperature sensor and pressure sensor are installed on the outlet pipe, gather the real time temperature of cooling water at water inlet and delivery port place, pressure information, send signal to signal processor through data acquisition card then, by the computing unit in the signal processor, comparing unit, PID pi element and data analysis unit are analyzed this signal, handle, pass through frequency converter then directly to blower fan, the cooling water pump group is controlled monitoring in real time, the energy that each subsystem is carried can be regulated in real time with the variation of user side, to save motor power consumption, industrial cycle water system running load amplitude is descended, thereby improved the service efficiency of industrial cycle water system.
Claims (5)
1. energy-efficient control system of industrial circulating water, the user side (1) that comprises power consumption in the system, cooling water pump group (2), display unit (14), metering units (15), the System Management Unit that online data acquisition card (11) that sensor groups is synthetic and signal processor (12) are formed, cooling tower (3), the heat exchange unit that blower fan group (4) and cooling water pipe are formed, the coolant outlet water pipe (8) of above-mentioned user side (1) is connected with cooling tower (3), cooling tower is connected with cooling water pump group (2) through cooling water pipe, and cooling water pump group (2) is connected with the cooling water inlet pipe of user side (1); It is characterized in that: the cooling water of native system advances, on the node of outlet water lines cooling water inlet temperature sensor (9) is installed, cooling water outlet temperature sensor (10), the open air is equipped with outdoor temperature sensor (13), coolant outlet pressure sensor (15), deliver to signal processor (12) with the signal that upper sensor collects through data acquisition card (11), being converted into adjustment signal after treatment delivers to respectively and connects frequency converter group (5) or frequency converter (6), relevant frequency converter is set the duty of supporting cooling water pump or supporting blower fan by threephase cable, synchronous signal processor (12), with analytical calculation, relatively, the result of regulation and control is transported on the display screen (14), and is recorded in the memory.
2. according to the energy-efficient control system of the said industrial circulating water of claim 1, it is characterized in that being provided with in the signal processor (12) storing and be connected the memory that the empirical data of the sampling parameter value of each node of user side and this numerical value change scope thereof is tabulated with normal operating mode grade, code and following of various mode hierarchies that each line state of pipe network is determined according to the operating index of external environment condition, power consumption user side (1).
3. according to the energy-efficient control system of the said industrial circulating water of claim 1, it is characterized in that the quantity of the frequency converter in the frequency converter group (5) and the corresponding setting of platform number of water pump, the quantity of the middle frequency converter of frequency converter group (6) and the corresponding setting of group number of blower fan, supporting with the branch road of transmission recirculated water respectively.
4. according to the energy-efficient control system of the said industrial circulating water of claim 1, each node place that it is characterized in that connecting circulation line between cooling water pump and the user side (1) only is provided for overhauling the stop valve of pipeline.
5. according to the energy-efficient control system of the said industrial circulating water of claim 1, it is characterized in that signal processor (12) is to adopt Programmable Logic Controller 6ES7-134.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008201066716U CN201569355U (en) | 2008-11-25 | 2008-11-25 | Efficient and energy-saving industrial circulating water control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008201066716U CN201569355U (en) | 2008-11-25 | 2008-11-25 | Efficient and energy-saving industrial circulating water control system |
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| Publication Number | Publication Date |
|---|---|
| CN201569355U true CN201569355U (en) | 2010-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008201066716U Expired - Fee Related CN201569355U (en) | 2008-11-25 | 2008-11-25 | Efficient and energy-saving industrial circulating water control system |
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| CN (1) | CN201569355U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807156A (en) * | 2012-11-08 | 2014-05-21 | 何荣志 | Circulating water energy-saving control operation system |
| CN104143921A (en) * | 2014-07-02 | 2014-11-12 | 核工业理化工程研究院 | Combined modular frequency converter and power supply system |
| CN104317281A (en) * | 2014-11-17 | 2015-01-28 | 广西远望科技有限责任公司 | Energy-saving and water-saving device for distributed control over industrial circulating water and control method thereof |
| CN104567529A (en) * | 2014-07-22 | 2015-04-29 | 上海大众祥源动力供应有限公司 | Temperature control system of cooling water of cooling tower |
| CN105043804A (en) * | 2015-08-25 | 2015-11-11 | 上海宝钢节能环保技术有限公司 | Industrial circulating water system combination energy saving experiment system |
| CN105806013A (en) * | 2016-05-19 | 2016-07-27 | 山东成泰化工有限公司 | Energy-saving method for petrochemical refinery circulating water field |
| CN109162316A (en) * | 2018-08-28 | 2019-01-08 | 江苏天纳节能科技股份有限公司 | A kind of industrial circulating water system and its recovery method of lift recycling more than needed |
| CN113503765A (en) * | 2021-07-13 | 2021-10-15 | 张家港盈鼎气体有限公司 | Automatic control method for water temperature of circulating water in winter |
| CN114212839A (en) * | 2021-11-09 | 2022-03-22 | 陕西尚远水务有限公司 | Circulating water integration intelligence management and control system |
-
2008
- 2008-11-25 CN CN2008201066716U patent/CN201569355U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807156A (en) * | 2012-11-08 | 2014-05-21 | 何荣志 | Circulating water energy-saving control operation system |
| CN104143921A (en) * | 2014-07-02 | 2014-11-12 | 核工业理化工程研究院 | Combined modular frequency converter and power supply system |
| CN104143921B (en) * | 2014-07-02 | 2018-01-19 | 核工业理化工程研究院 | Combined modular frequency converter and electric power system |
| CN104567529A (en) * | 2014-07-22 | 2015-04-29 | 上海大众祥源动力供应有限公司 | Temperature control system of cooling water of cooling tower |
| CN104317281A (en) * | 2014-11-17 | 2015-01-28 | 广西远望科技有限责任公司 | Energy-saving and water-saving device for distributed control over industrial circulating water and control method thereof |
| CN104317281B (en) * | 2014-11-17 | 2017-05-24 | 广西远望科技有限责任公司 | Energy-saving and water-saving device for distributed control over industrial circulating water and control method thereof |
| CN105043804A (en) * | 2015-08-25 | 2015-11-11 | 上海宝钢节能环保技术有限公司 | Industrial circulating water system combination energy saving experiment system |
| CN105043804B (en) * | 2015-08-25 | 2018-01-02 | 上海宝钢节能环保技术有限公司 | Industrial circulating water system combination energy-saving experimental system |
| CN105806013A (en) * | 2016-05-19 | 2016-07-27 | 山东成泰化工有限公司 | Energy-saving method for petrochemical refinery circulating water field |
| CN109162316A (en) * | 2018-08-28 | 2019-01-08 | 江苏天纳节能科技股份有限公司 | A kind of industrial circulating water system and its recovery method of lift recycling more than needed |
| CN113503765A (en) * | 2021-07-13 | 2021-10-15 | 张家港盈鼎气体有限公司 | Automatic control method for water temperature of circulating water in winter |
| CN114212839A (en) * | 2021-11-09 | 2022-03-22 | 陕西尚远水务有限公司 | Circulating water integration intelligence management and control system |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20100901 Termination date: 20111125 |