CN202757522U - Cooling tower circulating water on-line control system - Google Patents
Cooling tower circulating water on-line control system Download PDFInfo
- Publication number
- CN202757522U CN202757522U CN2012202800811U CN201220280081U CN202757522U CN 202757522 U CN202757522 U CN 202757522U CN 2012202800811 U CN2012202800811 U CN 2012202800811U CN 201220280081 U CN201220280081 U CN 201220280081U CN 202757522 U CN202757522 U CN 202757522U
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- Prior art keywords
- cooling
- water
- circulating water
- control
- cooling tower
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- 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
- F28F25/00—Component parts of trickle coolers
- F28F2025/005—Liquid collection; Liquid treatment; Liquid recirculation; Addition of make-up liquid
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The utility model discloses a cooling tower circulating water on-line control system which comprises a chemical feeding device, a control center, a total dissolved solid (TDS) sensor and a sewage discharge device. The chemical feeding device, a water replenishing pipeline and the sewage discharge device are connected with a cooling tower, and the TDS sensor detects concentration multiples of circulating water in the cooling tower on line. The cooling tower circulating water on-line control system is designed and manufactured according to national standards, a precise on-line detection sensor is used to detect feedback signals so as to control sewage discharge and chemical feeding, and therefore the problems, such as scaling, corrosion, biological slime and bacterial algae, which often occur in a circulating water system are effectively prevented, manual operation is replaced, and adverse influence on the water system due to the fact that the manual operation cannot be timely, accurate, continuous and the like is remedied.
Description
Technical field
The utility model discloses a kind of recirculated cooling water automatic on-line control system, divides by International Patent Classification (IPC) (IPC) to belong to the cooling-tower circulating water processing technology field.
Background technology
In recirculated cooling water, guarantee the treatment effect of cooling water, must control the cycles of concentration of cooling water well, cycles of concentration refers to the ratio owing to dissolved solid in the dissolved solid that concentrates of evaporation and the supplementing water, in actual measurement, be generally the ratio of total molten solid (TDS) of recirculated cooling water or conductivity value and additional electrical conductivity of water.Yet, the problems such as fouling, burn into biological clay and bacterium algae often appear in circulation, online the real time measure cycles of concentration in the existing water circulation system, and then control of sewage disposal and dosing.
China document CN200920089577.9 discloses a kind of cooling tower water circulating system, comprise the cooling tower, handpiece Water Chilling Units and the coolant pump that connect by pipeline successively, described cooling tower also is connected with water replanishing device, on cooling tower or water replanishing device be provided with water level controller.Although this system can control the cooling tower liquid level automatically, in time moisturizing can not on-line monitoring cooling water cycles of concentration.
Summary of the invention
For the deficiencies in the prior art, the utility model provides a kind of cooling-tower circulating water on-line control system rational in infrastructure.
For achieving the above object, the utility model is achieved through the following technical solutions:
A kind of recirculated cooling water automatic on-line control system, comprise chemicals dosing plant, control centre, TDS sensor and blowdown apparatus, described chemicals dosing plant, moisturizing pipeline and blowdown apparatus link to each other with cooling tower, described TDS sensor detects the cycles of concentration of cooling-tower circulating water online, the detection signal of TDS sensor feeds back to control centre, described control centre is according to blowdown, moisturizing and the dosing of detection signal control cooling water system, and described chemicals dosing plant is provided with the dosing measuring pump and accurately controls chemical feeding quantity by control centre.
Further, under the described cooling tower drip tray is arranged, the drip tray center is water storage tank, and the cooling water in the water storage tank links to each other with heat-exchanger rig through coolant pump, and the current of heat-exchanger rig turn back to cooling tower.
Further, described TDS sensor comprises sensor contact, and this sensor contact places the interior Real-Time Monitoring recirculated water of the drip tray under the cooling tower, and the feedback signal of TDS sensor is transferred to the TDS controller of control centre and controls the whole circulatory system and normally move.
Further, described dosing measuring pump is accurately controlled chemical feeding quantity by the time relay, and the switch of this time relay is by control centre's management and control.
Further, described blow-off line is provided with blowoff valve, and this blowoff valve links to each other with the time relay, and the switch of the described time relay is by control centre's management and control.
Further, described drug feeding pipeline and the synchronous interaction of moisturizing pipeline guarantee in moisturizing additional medicament in proportion.
The utility model is to manufacture and design according to latest national standards and national standard, cover intelligence control system for the operation of circulation science, its principle detects feedback signal by accurate detecting line sensor exactly and comes control of sewage disposal and dosing, reach the problems such as fouling, burn into biological clay and bacterium algae that often occur in effective prevention circulation, substitute manually-operated, remedied manually-operated and can't in time, accurately reach continuity etc. to the water system adverse influence.
Description of drawings
Fig. 1 is the utility model schematic diagram.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
Embodiment: see also Fig. 1, plant the recirculated cooling water on-line control system, comprise cooling tower 1, control centre 2 and TDS sensor 3, described cooling tower 1 and drug feeding pipeline 41, moisturizing pipeline 42 and blow-off line link to each other, the described TDS sensor 3 online concentration multiples that detect cooling-tower circulating water, the detection signal of TDS sensor feeds back to control centre, described control centre is according to the dosing of detection signal control cooling tower, moisturizing and blowdown, described drug feeding pipeline 41 is provided with dosing measuring pump 410 and accurately controls chemical feeding quantity by control centre, the dosing measuring pump is accurately controlled chemical feeding quantity by the time relay 411, and the switch of this time relay is by control centre's management and control.Cooling tower has drip tray 1 time, and the drip tray center is water storage tank, and the cooling water in the water storage tank links to each other with heat-exchanger rig 52 through coolant pump 51, and the current of heat-exchanger rig turn back to cooling tower.TDS sensor 3 of the present utility model comprises sensor contact, and this sensor contact places the interior Real-Time Monitoring recirculated water of the drip tray under the cooling tower, and the feedback signal of TDS sensor is transferred to the TDS controller of control centre and controls the whole circulatory system and normally move.Blow-off line of the present utility model is provided with blowoff valve 61, and this blowoff valve links to each other with the time relay, and the switch of the described time relay is by control centre's management and control.
Cycles of concentration general control for cooling-tower circulating water is good 5～8, and certainly, for different cool cycles fields, the endpoint value of cycles of concentration may be different.According to the cycles of concentration of customer service demand, be provided with two control points of height, when TDS between these two control points, water quality be described for satisfying watering condition, be failure to actuate at this moment.When the TDS value of feedback stops dosing pump during greater than the high value set according to cycles of concentration, open blowoff valve.When TDS value of feedback during less than the low value set according to cycles of concentration, close blowoff valve, start dosing pump.Because what set that TDS higher limit and lower limit obtain according to cycles of concentration is control range.Any one TDS value only has two kinds of situations: then be failure to actuate within control range in circuit design; Then knowing that by top action operation the TDS value of system's detection is within control range outside the control range.Circulate and so forth always, reach the purpose of automatic control.
The utility model element function declaration
1. TDS sensor: the TDS that detects recirculated water;
According to the cycles of concentration of customer service demand, be provided with two control points of height, when TDS between these two control points, water quality be described for satisfying watering condition, be failure to actuate at this moment.When if TDS is higher than the high control point of cycles of concentration, then carry out blowdown, the dosing certain hour until TDS be between two control points;
2. blowdown apparatus: mainly according to the feedback signal of the TDS test of recirculated water, automatic pollution discharge when height point stops blowdown to this blowdown apparatus when low spot, makes the cycles of concentration of circulation accurately be controlled at the cycles of concentration scope of setting;
3. medicine system can cause the corrosion inhibiting and descaling agent of part to discharge system in the blowdown process, therefore with medicine system and water charging system synchronous interaction, guarantees in moisturizing, and additional medicament in proportion, thus guarantee the effect of slowly-releasing scale inhibition;
4. switch board (control centre), this switch board adopts automatically controlled logic accurately to control each work post unit.
Control system of the present utility model constitutes: switch board, TDS controller, medicine-adding bin, dosing pump and motor-driven valve etc., switch board is comprised of A.C. contactor, auxiliary reclay, air switch, manual/auto selector switch, the time relay and system's start/stop button.The startup of dosing pump and motor-driven valve and to stop all be to judge that by the water quality that the TDS controller detects rear auxiliary reclay carries out.
Each element of the present utility model also has following characteristics except economical and practical advantage is arranged:
The dosing measuring pump can be realized the accurate control of chemical feeding quantity by measuring pump;
The time relay can realize that by the time relay the accurate and blowoff valve of administration timing of drug is opened blowing time;
Manual/auto selector switch can be selected manually control or automatically control by this switch;
A.C. contactor can play the effect of protection dosing measuring pump by A.C. contactor;
System power-on switch realizes the operation of system by system power-on switch;
System's shutdown switch realizes that by system's shutdown switch the shutdown of system is safeguarded.
Range of application of the present utility model is as follows:
Industrial circulating cooling water system;
Central air-conditioning freezing, cooling circulating water system;
The boiler boiler water conditioning;
The heating circulation water system;
The view circulation;
The swimming pool circulation;
The industrial boiler desulfurizing water system.
The utility model equipment has following beneficial effect:
Automatic pollution discharge and tonic, the accurately operating condition of controlled circulation water system.
Automaticity is high, and is simple to operate, and energy consumption is low.
Install and use, easy to maintenance, convenient.
Corrosion-resistant, strong alkali-acid resistance, safe and reliable.
Long-distance Control is incorporated computer management system into.
Investment economizes most, moves the most stable.
Accurately water saving makes the water quality of the most often fluctuation also can avoid the problems such as fouling and corrosion.
The above record, only for utilizing the embodiment of this origination techniques content, modification, variation that any those skilled in the art use this creation to do all belong to the claim that this creation is advocated, and are not limited to those disclosed embodiments.
Claims (6)
1. recirculated cooling water automatic on-line control system, it is characterized in that: comprise chemicals dosing plant, control centre, TDS sensor and blowdown apparatus, described chemicals dosing plant, moisturizing pipeline and blowdown apparatus link to each other with cooling tower, described TDS sensor detects the cycles of concentration of cooling-tower circulating water online, the detection signal of TDS sensor feeds back to control centre, described control centre is according to blowdown, moisturizing and the dosing of detection signal control cooling water system, and described chemicals dosing plant is provided with the dosing measuring pump and accurately controls chemical feeding quantity by control centre.
2. recirculated cooling water automatic on-line control system according to claim 1, it is characterized in that: under the described cooling tower drip tray is arranged, the drip tray center is water storage tank, and the cooling water in the water storage tank links to each other with heat-exchanger rig through coolant pump, and the current of heat-exchanger rig turn back to cooling tower.
3. cooling-tower circulating water on-line control system according to claim 1, it is characterized in that: described TDS sensor comprises sensor contact, this sensor contact places the interior Real-Time Monitoring recirculated water of the drip tray under the cooling tower, and the feedback signal of TDS sensor is transferred to the TDS controller of control centre and controls the whole circulatory system and normally move.
4. cooling-tower circulating water on-line control system according to claim 1 and 2, it is characterized in that: described dosing measuring pump is accurately controlled chemical feeding quantity by the time relay, and the switch of this time relay is by control centre's management and control.
5. according to claim 1 or 3 described cooling-tower circulating water on-line control systems, it is characterized in that: described blow-off line is provided with blowoff valve, and this blowoff valve links to each other with the time relay, and the switch of the described time relay is by control centre's management and control.
6. cooling-tower circulating water on-line control system according to claim 1 is characterized in that: described drug feeding pipeline and the synchronous interaction of moisturizing pipeline guarantee in moisturizing additional medicament in proportion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202800811U CN202757522U (en) | 2012-06-14 | 2012-06-14 | Cooling tower circulating water on-line control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202800811U CN202757522U (en) | 2012-06-14 | 2012-06-14 | Cooling tower circulating water on-line control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202757522U true CN202757522U (en) | 2013-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012202800811U Expired - Fee Related CN202757522U (en) | 2012-06-14 | 2012-06-14 | Cooling tower circulating water on-line control system |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104341012A (en) * | 2013-08-04 | 2015-02-11 | 四川锦美环保科技有限公司 | Method and device used for effectively controlling retention time of circulation cooling water |
| CN104374809A (en) * | 2013-08-18 | 2015-02-25 | 四川锦美环保科技有限公司 | Method and device for monitoring evaporation capacity of circulating cooling water |
| CN104773843A (en) * | 2015-04-08 | 2015-07-15 | 上海依科绿色工程有限公司 | Method for applying reclaimed water obtained after deep treatment of up-to-standard discharged wastewater of automobile factory to cooling water replenishing |
| CN105540775A (en) * | 2016-01-28 | 2016-05-04 | 上海机场（集团）有限公司虹桥国际机场公司 | Water treatment system and work method thereof |
| CN106052018A (en) * | 2016-05-28 | 2016-10-26 | 双良节能系统股份有限公司 | Control system for adding chemicals into cooling water of central air conditioner for operation and maintenance and control method of control system |
| CN106705517A (en) * | 2015-07-21 | 2017-05-24 | 广州市华德工业有限公司 | Dirt drainage and water changing control method for evaporative condensation device |
| CN109231616A (en) * | 2018-11-07 | 2019-01-18 | 杭州埃思波环保科技有限公司 | The comprehensive solving device of industry cooling circulating water treatment and method |
| CN110028119A (en) * | 2019-05-06 | 2019-07-19 | 国家能源投资集团有限责任公司 | The evaporative crystallisation process of brine waste |
| CN110092488A (en) * | 2019-04-28 | 2019-08-06 | 导洁(北京)环境科技有限公司 | The method for treating water of heating and ventilating equipment based on Internet of Things intelligent management band refrigeration |
| CN112919557A (en) * | 2021-01-19 | 2021-06-08 | 白银有色西北铜加工有限公司 | Method and system for reducing corrosion to circulating cooling water equipment |
| CN113979497A (en) * | 2021-05-31 | 2022-01-28 | 北京清新环境技术股份有限公司 | Method for lifting water by using waste heat and waste water of boiler |
-
2012
- 2012-06-14 CN CN2012202800811U patent/CN202757522U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104341012A (en) * | 2013-08-04 | 2015-02-11 | 四川锦美环保科技有限公司 | Method and device used for effectively controlling retention time of circulation cooling water |
| CN104374809A (en) * | 2013-08-18 | 2015-02-25 | 四川锦美环保科技有限公司 | Method and device for monitoring evaporation capacity of circulating cooling water |
| CN104773843A (en) * | 2015-04-08 | 2015-07-15 | 上海依科绿色工程有限公司 | Method for applying reclaimed water obtained after deep treatment of up-to-standard discharged wastewater of automobile factory to cooling water replenishing |
| CN106705517B (en) * | 2015-07-21 | 2019-05-24 | 广州市华德工业有限公司 | Water controling method is changed in the blowdown of evaporating type condensing equipment |
| CN106705517A (en) * | 2015-07-21 | 2017-05-24 | 广州市华德工业有限公司 | Dirt drainage and water changing control method for evaporative condensation device |
| CN105540775A (en) * | 2016-01-28 | 2016-05-04 | 上海机场（集团）有限公司虹桥国际机场公司 | Water treatment system and work method thereof |
| CN106052018B (en) * | 2016-05-28 | 2018-12-21 | 双良节能系统股份有限公司 | Central air-conditioner cooling water dosing O&M control system and its control method |
| CN106052018A (en) * | 2016-05-28 | 2016-10-26 | 双良节能系统股份有限公司 | Control system for adding chemicals into cooling water of central air conditioner for operation and maintenance and control method of control system |
| CN109231616A (en) * | 2018-11-07 | 2019-01-18 | 杭州埃思波环保科技有限公司 | The comprehensive solving device of industry cooling circulating water treatment and method |
| CN110092488A (en) * | 2019-04-28 | 2019-08-06 | 导洁(北京)环境科技有限公司 | The method for treating water of heating and ventilating equipment based on Internet of Things intelligent management band refrigeration |
| CN110028119A (en) * | 2019-05-06 | 2019-07-19 | 国家能源投资集团有限责任公司 | The evaporative crystallisation process of brine waste |
| CN112919557A (en) * | 2021-01-19 | 2021-06-08 | 白银有色西北铜加工有限公司 | Method and system for reducing corrosion to circulating cooling water equipment |
| CN113979497A (en) * | 2021-05-31 | 2022-01-28 | 北京清新环境技术股份有限公司 | Method for lifting water by using waste heat and waste water of boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20150614 |
|
| EXPY | Termination of patent right or utility model |