CN201914975U - Automatic drainage device of circulating cooling water treatment system - Google Patents
Automatic drainage device of circulating cooling water treatment system Download PDFInfo
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- CN201914975U CN201914975U CN2010206688559U CN201020668855U CN201914975U CN 201914975 U CN201914975 U CN 201914975U CN 2010206688559 U CN2010206688559 U CN 2010206688559U CN 201020668855 U CN201020668855 U CN 201020668855U CN 201914975 U CN201914975 U CN 201914975U
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- circulating cooling
- water treatment
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- cooling system
- controller
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Abstract
The utility model relates to an automatic drainage device of a circulating cooling water treatment system, which comprises a controller and an intermediate relay, wherein the controller receives an electric conductivity signal, outputs an opening signal when the electric conductivity signal is more than an upper limit value, and outputs a closing signal when the electric conductivity signal is less than a lower limit value; and the intermediate relay is connected with an output end of the controller and opens or closes a drainage solenoid valve according to the opening signal or the closing signal. The automatic drainage device can automatically monitor the change in water quality of the water tank of the cooling tower, automatically drain the poor-quality water in the water tank and simultaneously supplement tap water when the electric conductivity is too high, so as to ensure the effect of treating the circulating cooling water with ozone, achieve reasonable drainage and supplementation and serve the function of water conservation and emission reduction.
Description
Technical field
The utility model relates to Water Treatment in Circulating Cooling System, especially relates to the automatic bailer of Water Treatment in Circulating Cooling System.
Background technology
Recirculating cooling water system (recirculating cooling water system) is a kind of water coolant heat exchange and through cooling, and the water feeding system that recirculation is used mainly is made up of cooling apparatus, water pump and pipeline.In order to keep the water quality of recirculated water, need a water treatment system to move together, to prevent corrosion or fouling.
The water technology that Water Treatment in Circulating Cooling System adopts has many kinds.Wherein, the ozonize technology because of its in the advantage aspect sterilization, scale inhibition, the protection against corrosion, become a kind of widely used recirculated cooling water treatment technology.
In the system of ozonize recirculated cooling water, along with the rising of recirculated cooling water conductivity value, treatment effect will descend.Usually conductivity value is controlled at below the higher limit, when specific conductivity surpasses, need manually carry out draining, replenishes tap water simultaneously in water tank.So just need operator to observe the variation of recirculated cooling water specific conductivity constantly,, cause specific conductivity too high, will influence the treatment effect of recirculated cooling water if forget or not discharging in time.
The utility model content
Technical problem to be solved in the utility model provides a kind of automatic bailer of Water Treatment in Circulating Cooling System.
The utility model is to solve the problems of the technologies described above the automatic bailer that the technical scheme that adopts is a kind of Water Treatment in Circulating Cooling System of proposition, comprises controller and intermediate relay.Controller receives a conductivity signal, and when this conductivity signal during greater than a higher limit, exports a start signal, when this conductivity signal during less than a lower value, exports a shutdown signal.Intermediate relay connects the output terminal of this controller, and according to this start signal and this shutdown signal opening and closing one drain solenoid valve.
In the utility model one embodiment, above-mentioned controller is a programmable logic controller.
In the utility model one embodiment, above-mentioned automatic bailer also comprises an A/D converter, after conductivity signal is numerary signal from analog signal conversion, inputs to this controller.
In the utility model one embodiment, above-mentioned A/D converter is an individual devices.
In the utility model one embodiment, above-mentioned A/D converter is integrated in the described controller.
In the utility model one embodiment, above-mentioned Water Treatment in Circulating Cooling System is the ozone Water Treatment in Circulating Cooling System.
In the utility model one embodiment, above-mentioned automatic bailer also comprises an operator-machine-interface, connects this controller, in order to receive the setting of this higher limit and lower value.
In the utility model one embodiment, above-mentioned operator-machine-interface is touch-screen, text display or built-in industrial control machine.
In the utility model one embodiment, above-mentioned controller comprises a timer, and in order to start timing after the output start signal, when timing reached a drain time, described controller was exported described shutdown signal.
The utility model is owing to adopt above technical scheme, make it compared with prior art, can monitor the change of water quality of cooling tower water tank automatically, in case specific conductivity is too high, automatically the water that discharges water quality inferiority in the water tank is replenished tap water simultaneously, guarantee the treatment effect of ozonize recirculated cooling water thus, alleviated operator's working strength.
Description of drawings
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent, below in conjunction with accompanying drawing embodiment of the present utility model is elaborated, wherein:
The automatic bailer schematic diagram of Fig. 1 the utility model one embodiment.
Embodiment
The embodiment of the automatic bailer that will describe below the utility model adopts the automatization means to monitor the change of water quality of cooling tower water tank, in case specific conductivity is too high, the water that discharges water quality inferiority in the water tank is automatically replenished tap water simultaneously.
The automatic bailer schematic diagram of Fig. 1 the utility model one embodiment.With reference to shown in Figure 1, conductivity table 105 is in order to the circulation electrical conductivity of water in collection and the demonstration Water Treatment in Circulating Cooling System.When specific conductivity surpasses a default permissible value, need to replenish fresh water, to avoid reducing the effect of ozonize.According to present embodiment, adopt automatic means to monitor conductivity value.For this reason, automatic bailer comprises a programmable logic controller (programmable logic controller, PLC) 101, one mould/number (A/D) transmodulator 102 and an intermediate relay 103.A/D converter 102, intermediate relay (KA) 103 link to each other with PLC 101.Intermediate relay 103 is in order to control drain solenoid valve (figure does not show).
Because the conductivity signal that conductivity table 105 is provided is generally the 4-20mA current signal.Therefore use an A/D converter 102 that analog signal conversion is programmable logic controller 101 available numerary signals.In embodiment of the present utility model, A/D converter 102 can be independent devices, or is integrated in the module among the PLC101.
Conductivity table 105 links to each other with A/D modular converter 102.The output terminal of PLC 101 links to each other with the intermediate relay 103 of control drain solenoid valve.
In a preferred embodiment, touch-screen 104 is set, it links to each other with PLC 101, in order to carry out parameter setting.
Conductivity table 105 is the specific conductivity of monitoring recirculated cooling water in real time, sends the conductivity value that records to PLC 101 by A/D modular converter 102.PLC 101 is according to the switch of the height control drain solenoid valve of conductivity value.
In the embodiment that is provided with touch-screen 104, can set the higher limit and the lower value of discharging specific conductivity by touch-screen 104.Usually, set(ting)value is that specific conductivity is opened discharge solenoid valve during greater than a higher limit, and specific conductivity is closed discharge solenoid valve during less than a lower value.Yet, be appreciated that under different operating modes these values of setting need corresponding the adjustment.Then, by data line set(ting)value is written in the program of PLC 101.
Cause the long-time draining of discharge solenoid valve in order to prevent that conductivity table 105 from breaking down, in the program of PLC 101, also can be provided with drain time.For example, each drain time must not be greater than 2 hours.Concrete drain time can be different from touch-screen 104 changes according to practical situation.
When specific conductivity greater than discharging during higher limit, PLC 101 outputs one start signal is to intermediate relay 104, the latter controls discharge solenoid valve and opens, PLC 101 inside begin duration of valve opening is carried out timing simultaneously.If before the drain time of setting reached, specific conductivity was less than the discharging lower limit, PLC 101 will export a shutdown signal to intermediate relay, and the latter will close discharge solenoid valve, stop timing simultaneously and zero clearing is counted in timing; If when the drain time of setting arrives, still greater than the discharging lower limit, PLC 101 will export this shutdown signal to specific conductivity, close discharge solenoid valve, and misprinting of preventing that fault because of conductivity table 105 from causing put.Up to next time the start or 24 hours after, PLC 101 with the timing register zero clearing, judges conductivity value more again.
In other embodiments, the above-mentioned touch-screen 104 that carries out parameter setting also can replace with operator-machine-interfaces such as text display or built-in industrial control machines.These parts can carry out read-write operation to PLC 101 by connection equally, and correlation parameter is set.
The utility model adopts the change of water quality of automatization means monitoring cooling tower water tank, in case specific conductivity is too high, automatically the water that discharges water quality inferiority in the water tank is replenished tap water simultaneously, guaranteed the treatment effect of ozonize recirculated cooling water thus, realize reasonable draining and moisturizing, played the effect of water-saving and emission-reducing.
The utility model can be used for the ozone method of rail traffic station central air-conditioning recirculated cooling water to be handled.
Though the utility model discloses as above with preferred embodiment; right its is not in order to limit the utility model; any those skilled in the art; in not breaking away from spirit and scope of the present utility model; when doing a little modification and perfect, therefore protection domain of the present utility model is worked as with being as the criterion that claims were defined.
Claims (9)
1. the automatic bailer of a Water Treatment in Circulating Cooling System is characterized in that comprising:
Controller receives a conductivity signal, and when this conductivity signal during greater than a higher limit, exports start signal one by one, when this conductivity signal during less than a lower value, exports a shutdown signal; And
Intermediate relay connects the output terminal of this controller, according to this start signal and this shutdown signal opening and closing one drain solenoid valve.
2. the automatic bailer of Water Treatment in Circulating Cooling System as claimed in claim 1 is characterized in that, described controller is a programmable logic controller.
3. the automatic bailer of Water Treatment in Circulating Cooling System as claimed in claim 1 or 2 is characterized in that, also comprises an A/D modular converter, after conductivity signal is numerary signal from analog signal conversion, inputs to this controller.
4. the automatic bailer of Water Treatment in Circulating Cooling System as claimed in claim 3 is characterized in that, described A/D modular converter is an individual devices.
5. the automatic bailer of Water Treatment in Circulating Cooling System as claimed in claim 3 is characterized in that, described A/D modular converter is integrated in the described controller.
6. the automatic bailer of Water Treatment in Circulating Cooling System as claimed in claim 1 is characterized in that, described Water Treatment in Circulating Cooling System is the ozone Water Treatment in Circulating Cooling System.
7. the automatic bailer of Water Treatment in Circulating Cooling System as claimed in claim 1 is characterized in that, also comprises an operator-machine-interface, connects this controller, in order to receive the setting of this higher limit and lower value.
8. the automatic bailer of Water Treatment in Circulating Cooling System as claimed in claim 7 is characterized in that, described operator-machine-interface is touch-screen, text display or built-in industrial control machine.
9. the automatic bailer of Water Treatment in Circulating Cooling System as claimed in claim 1, it is characterized in that described controller comprises a timer, in order to after the output start signal, to start timing, when timing reached a drain time, described controller was exported described shutdown signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206688559U CN201914975U (en) | 2010-12-20 | 2010-12-20 | Automatic drainage device of circulating cooling water treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206688559U CN201914975U (en) | 2010-12-20 | 2010-12-20 | Automatic drainage device of circulating cooling water treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201914975U true CN201914975U (en) | 2011-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206688559U Expired - Lifetime CN201914975U (en) | 2010-12-20 | 2010-12-20 | Automatic drainage device of circulating cooling water treatment system |
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| Country | Link |
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| CN (1) | CN201914975U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390321A (en) * | 2014-11-20 | 2015-03-04 | 北京世纪微熵科技有限公司 | Central air-conditioning system and device and method for controlling water treating device of central air-conditioning system |
| CN106931798A (en) * | 2017-03-17 | 2017-07-07 | 上海复禹环境科技有限公司 | Electrochemistry cooling circulating water is according to water quality situation automatic drain system |
-
2010
- 2010-12-20 CN CN2010206688559U patent/CN201914975U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390321A (en) * | 2014-11-20 | 2015-03-04 | 北京世纪微熵科技有限公司 | Central air-conditioning system and device and method for controlling water treating device of central air-conditioning system |
| CN104390321B (en) * | 2014-11-20 | 2017-02-22 | 北京世纪微熵科技股份有限公司 | Central air conditioning system and control device and control method of water treatment equipment of central air conditioning system |
| CN106931798A (en) * | 2017-03-17 | 2017-07-07 | 上海复禹环境科技有限公司 | Electrochemistry cooling circulating water is according to water quality situation automatic drain system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110803 |
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| CX01 | Expiry of patent term |