CN201620044U - Intelligent industrial circulating water drainage device - Google Patents
Intelligent industrial circulating water drainage device Download PDFInfo
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- CN201620044U CN201620044U CN2009202920845U CN200920292084U CN201620044U CN 201620044 U CN201620044 U CN 201620044U CN 2009202920845 U CN2009202920845 U CN 2009202920845U CN 200920292084 U CN200920292084 U CN 200920292084U CN 201620044 U CN201620044 U CN 201620044U
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Abstract
The utility model discloses an intelligent industrial circulating water drainage device, which comprises a central processing unit, a signal source driving circuit, a water quality measuring circuit, an A/D signal conversion circuit and an output control circuit for controlling a sewage drainage electromagnetic valve to open and close. The signal source driving circuit is used for generating driving signals which are supplied to the water quality measuring circuit, a measuring signal output end of the water quality measuring circuit is connected to an input end of the A/D signal conversion circuit, an output end of the A/D signal conversion circuit is connected to an input end of the central processing unit, and an output end of the central processing unit is connected with the output control circuit. The intelligent industrial circulating water drainage device can intelligently drain sewage according to quality of circulating water, not only can reduce damage of harmful impurities in the circulating water to equipment and pipe network, but also greatly decreases energy and water resource consumption of enterprises, reduces randomness of manual sewage drainage, lowers labor intensity and maintenance cost, accords with relative national energy-saving consumption-reducing policies, and has stronger practicability.
Description
Technical field
The utility model relates to a kind of blowdown apparatus of industrial recirculated water, especially a kind of intelligent blowdown apparatus of industrial circulating water.
Background technology
Industrial circulating water is widely used in industries such as electric power, metallurgy, food, medicine, central air conditioner system, paper industry, petrochemical compleies.Industrial circulating water mostly is uncovered system, and is affected by environment bigger, and as airborne suspended substance, bacterium, oxygen, sulfurous gas, oxynitrides, acid rain etc., in a single day these materials enter circulating water system, then can cause severe contamination.In addition, self continuous evaporation because recirculated water is in operation, the particularly various salt constituents of impurity such as the dissolved solid in the water, suspended substance (are mainly Ca
2+, Mg
2+, Fe
2+, Cl
-, SO
4 2-, SiO
4 4-, CO
3 2-, NO
3 -, HCO
3 -Deng) concentrate back content and constantly increase, cause that equipment and pipeline scale, bacterium algae are stopped up, corrosion even reveal; Fouling, obstruction cause the increase of recirculated water resistance, flow to reduce, and enterprise must increase recycle pump quantity and replenish a large amount of water, and the result causes the additive decrementation of a large amount of hydroelectric resourcess.When obstruction or seriously corroded, must shut down maintenance or removable parts pipe network and equipment unit, thereby influence the normal production and operation of enterprise.
And common terms of settlement mainly to be method by labor management carry out blowdown to recirculated water, reach the purpose that reduces impurity components such as salt in the water.But because the blowdown position of recirculated water is general all at the lowest part of pipe network equipment, operation is trouble not only, and workload is big, the notion that the each blowdown of workman has no time and measures, what what just arrange to think row, the result arranges and has lacked problems such as can not solving pipe-line equipment obstruction, burn into leakage, how has arranged and caused the waste of big water gaging, electric resources.Thereby by manual method recirculated water is carried out blowdown operation management and exist very big drawback, cause the blowdown problem of recirculated water to become one of problem that puzzlement enterprise enhances productivity.
The utility model content
The purpose of this utility model provides a kind of water quality condition that can detect industrial circulating water automatically, and can carry out the intelligent blowdown apparatus of blowdown according to the water quality situation of recirculated water automatically.
For achieving the above object, the utility model adopts following technical scheme: a kind of industrial circulating water intelligence blowdown apparatus comprises central processing unit, signal source driving circuit, water quality measurement circuit, A/D signaling conversion circuit and is used to control the blowdown magnetic valve and opens and closed output control circuit; The signal source driving circuit is used to produce the actuate signal that offers the water quality measurement circuit, the measurement signal output terminal of water quality measurement circuit connects the input terminus of A/D signaling conversion circuit, the output terminal of A/D signaling conversion circuit connects the input terminus of central processing unit, and the output terminal of central processing unit is connected with output control circuit.
Described water quality measurement circuit is an electrical conductivity measurement circuit.
Described electrical conductivity measurement circuit comprises conductance electrode, amplifying circuit and wave-detector, conductance electrode is used for putting into pond to be measured, conductance electrode connects the signal input part of amplifying circuit, the signal input part of the signal output part tie geophone of amplifying circuit, the signal output part of wave-detector connects the signal input part of A/D signaling conversion circuit.
Described A/D signaling conversion circuit comprises transfer lever and A/D change-over circuit, and the signal output part of wave-detector connects the signal input part of transfer lever, and another signal input part of transfer lever also is connected with temperature measuring circuit; The signal output part of transfer lever is connected with the input terminus of A/D change-over circuit, and the control signal input terminus of transfer lever is connected with the control signal output terminal of central processing unit.
Described signal source driving circuit is made of vibrator, the output terminal of vibrator also is connected with the range automatic switching circuit, the output terminal of range automatic switching circuit is placed into pond to be measured by wire, and the control signal input terminus of range automatic switching circuit is connected with the control signal output terminal of central processing unit.
The signal output part of described central processing unit also is connected with warning circuit.
The signal output part of described central processing unit also is connected with display circuit.
The signal input part of described central processing unit also is connected with key circuit.
The utility model industrial circulating water intelligence blowdown apparatus carries out intelligent blowdown according to the water quality condition of recirculated water, need not labor management, full intellectualized operation is carried out in blowdown to recirculated water, has not only saved the great amount of manpower resource, and has reduced labour intensity and maintenance cost; Owing to be that water quality condition according to recirculated water carries out blowdown, thereby reduce the randomness of artificial blowdown, reduce the harm that detrimental impurity causes equipment, pipe network in the recirculated water, greatly reduce the loss of enterprise energy and water resources; Not only guaranteed the safe and stable operation of enterprise's production unit, enhanced productivity, and, met energy-conservation, the water-saving policy of country, had stronger practicality for the consumption reduction synergy of enterprise provides important techniques means and energy-conserving product.
The utility model measuring accuracy height, stable performance, less, the blowdown precise control of reproducibility error, intelligent degree height is so there is wide application prospect in industrial production.
Description of drawings
Fig. 1 is a circuit block diagram of the present utility model;
Fig. 2 is a schematic block circuit diagram of the present utility model;
Embodiment
As shown in Figure 1, the utility model industrial circulating water intelligence blowdown apparatus comprises central processing unit, the signal source driving circuit, electrical conductivity measurement circuit, temperature measuring circuit, the A/D signaling conversion circuit, LCD display circuit and magnetic valve output control circuit, the signal source driving circuit is used to produce the actuate signal that offers the water quality measurement circuit, the measurement signal output terminal of electrical conductivity measurement circuit is connected the signal input part of A/D signaling conversion circuit with the measurement signal output terminal of temperature measuring circuit, the signal output part of A/D signaling conversion circuit connects the signal input part of central processing unit, the output terminal of central processing unit also is connected with the LCD display circuit, warning circuit and magnetic valve output control circuit, the input terminus of central processing unit also are connected with key circuit (keyboard).
As shown in Figure 2: the signal source driving circuit is made of vibrator, the output terminal of vibrator also is connected with the range automatic switching circuit, it is conductivity cell that the signal output part of range automatic switching circuit is put into pond to be measured by wire, is used for providing actuate signal to electrical conductivity measurement circuit; Electrical conductivity measurement circuit comprises conductance electrode, amplifying circuit and wave-detector; The A/D signaling conversion circuit comprises transfer lever and A/D change-over circuit.Conductance electrode is put into conductivity cell, and conductance electrode connects the signal input part of amplifying circuit, the signal input part of the signal output part tie geophone of amplifying circuit; The measurement signal output terminal of the signal output part of wave-detector, temperature measuring circuit connects the signal input part of transfer lever respectively, and the signal output part of transfer lever connects the input terminus of A/D change-over circuit; The output terminal of A/D change-over circuit is connected with the signal input part of central processing unit; The control signal input terminus of transfer lever is connected with the control signal output terminal of central processing unit respectively with the control signal input terminus of range automatic switching circuit; Central processing unit also is connected with watchdog circuit.Central processing unit is single chip computer AT 89C52 in the present embodiment, the A/D change-over circuit adopts 4 half double integration A/D converter ICL7135, transfer lever is CD4052, indicating meter is liquid-crystal display LMB162G, used conductance electrode is the metal titanium electrode, and the used temperature sensor of temperature measuring circuit is a Pt resistance.
Principle of work of the present utility model: the various salts in the industrial circulating water, all be that form with positive and negative ion exists in recirculated water, make recirculated water all have conductive capability, the size of its conductive capability is represented with specific conductivity, specific conductivity mainly reflects the height of saltiness in the recirculated water, conductivity value is big more, and the saltiness in the recirculated water is high more, and vice versa.Circulation electrical conductivity of water and its saliniferous amount have direct relation, and therefore, what of the total concn of recirculated water intermediate ion or saltiness are specific conductivity reflected.The user can set the high lower bound scope of specific conductivity according to the water quality condition of processing requirement and recirculated water, will select supporting electrode for use according to conductivity range before measuring specific conductivity, blowdown apparatus is according to the temperature that is provided with before measuring, electrode constant, temperature compensation coefficient and the work of electrode constant penalty coefficient.As shown in Figure 2, conductance electrode and temperature sensor are inserted back in the conductivity cell that fills tested recirculated water (manually need not to insert temperature electrode under the temperature mode), start this blowdown apparatus, then vibrator produces amplitude, the AC signal of frequency stabilization is (for weakening the dielectric polarization phenomenon, do not adopt direct current to make signal source), this signal input quantity journey automatic switching circuit is realized the switching of each range, guaranteed the measuring accuracy of specific conductivity, central processing unit comes the control signal input terminus of range automatic switching circuit is sent the range which road is control signal select need by the level of the output terminal of detection A/D change-over circuit, and the signal of exporting from the output terminal of range automatic switching circuit is input to the conductivity cell.The electric current that is positioned on the conductance electrode in the conductivity cell amplifies, sends into transfer lever after the wave-detector detection through amplifying circuit, meanwhile, the temperature signal that temperature sensor in the conductivity cell detects is also sent into transfer lever, the transfer lever timesharing is sent this two paths of signals into the A/D change-over circuit, and the numerary signal that converts to is sent into central processing unit.Central processing unit calculates conductivity value after handling the trip temperature compensation of going forward side by side to received signal, and the temperature value of conductivity value and recirculated water is shown on liquid crystal display.When display data reached the ceiling value of setting, blowdown apparatus sent high limit guard signal, and the power connection of electromagnetic valve of instruction also begins draining; Under the situation of continuous after softening water, the conductivity values of display screen indication reduces gradually, after specific conductivity after recirculated water is through discharging meets safety requirements, when the numerical value of display screen indication reaches the low limit value of setting, blowdown apparatus sends the lower bound guard signal, the power-off of electromagnetic valve of instruction, draining stops thereupon, and whole process realizes the height intellectuality of blowdown process.In addition, the input terminus of this device central processing unit also is provided with and is connected with 4 free-standing buttons, and function is respectively: be provided with, increase, reduce and confirm, can realize the parameter correction of penalty coefficient, temperature and temperature compensation coefficient that the counter electrode constant is provided with.
The utility model adopts central processing unit to finish the specific conductivity test and conversion of signals, temperature survey and compensation, automatic range are changed, and also has the simple menu structure, the man-machine dialogue of text type; Parameter setting and maintenance all have cryptoguard; Also have complete Chinese liquid-crystal display, the bias light contrast gradient is adjustable etc.In addition in order to satisfy user's different needs, device itself also designs all multi-functional submenus such as history curve, notepad, maintenance, parameter, flow process compensation, appendix, producer's contact, to make things convenient for the user to different needs such as historic records inquiry, parameter change and corrections.Wherein the notepad function can record the situation of manipulating of blowdown apparatus and the time of origin of warning faithfully, is convenient to management; History curve and digital recorder function can be stored one month specific conductivity continuously.Provide " history curve " to show on display screen simultaneously and " regularly fixed point " inquiry dual mode, " history curve " reflects the variation tendency and the process of water quality on the whole, helps pinpointing the problems and dealing with problems." regularly fixed point " function will obtain the tested specific conductivity of specified point, specified time.The digital dock function mainly shows the current time, for the digital recorder function provides time reference.
Claims (8)
1. an industrial circulating water intelligence blowdown apparatus is characterized in that: comprise central processing unit, signal source driving circuit, water quality measurement circuit, A/D signaling conversion circuit and be used to control the blowdown magnetic valve and open and closed output control circuit; The signal source driving circuit is used to produce the actuate signal that offers the water quality measurement circuit, the measurement signal output terminal of water quality measurement circuit connects the input terminus of A/D signaling conversion circuit, the output terminal of A/D signaling conversion circuit connects the input terminus of central processing unit, and the output terminal of central processing unit is connected with output control circuit.
2. industrial circulating water intelligence blowdown apparatus according to claim 1, it is characterized in that: described water quality measurement circuit is an electrical conductivity measurement circuit.
3. industrial circulating water intelligence blowdown apparatus according to claim 2, it is characterized in that: described electrical conductivity measurement circuit comprises conductance electrode, amplifying circuit and wave-detector, conductance electrode is used for putting into pond to be measured, conductance electrode connects the signal input part of amplifying circuit, the signal input part of the signal output part tie geophone of amplifying circuit, the signal output part of wave-detector connects the signal input part of A/D signaling conversion circuit.
4. according to the arbitrary described industrial circulating water intelligence blowdown apparatus of claim 1 to 3, it is characterized in that: described A/D signaling conversion circuit comprises transfer lever and A/D change-over circuit, the signal output part of wave-detector connects the signal input part of transfer lever, and another signal input part of transfer lever also is connected with temperature measuring circuit; The signal output part of transfer lever is connected with the input terminus of A/D change-over circuit, and the control signal input terminus of transfer lever is connected with the control signal output terminal of central processing unit.
5. industrial circulating water intelligence blowdown apparatus according to claim 4, it is characterized in that: described signal source driving circuit is made of vibrator, the output terminal of vibrator also is connected with the range automatic switching circuit, the output terminal of range automatic switching circuit is placed into pond to be measured by wire, and the control signal input terminus of range automatic switching circuit is connected with the control signal output terminal of central processing unit.
6. industrial circulating water intelligence blowdown apparatus according to claim 5, it is characterized in that: the signal output part of described central processing unit also is connected with warning circuit.
7. industrial circulating water intelligence blowdown apparatus according to claim 6, it is characterized in that: the signal input part of described central processing unit also is connected with display circuit.
8. industrial circulating water intelligence blowdown apparatus according to claim 7, it is characterized in that: the signal output part of described central processing unit also is connected with key circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202920845U CN201620044U (en) | 2009-06-05 | 2009-12-17 | Intelligent industrial circulating water drainage device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920091713 | 2009-06-05 | ||
| CN200920091713.8 | 2009-06-05 | ||
| CN2009202920845U CN201620044U (en) | 2009-06-05 | 2009-12-17 | Intelligent industrial circulating water drainage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201620044U true CN201620044U (en) | 2010-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202920845U Expired - Fee Related CN201620044U (en) | 2009-06-05 | 2009-12-17 | Intelligent industrial circulating water drainage device |
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| Country | Link |
|---|---|
| CN (1) | CN201620044U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885829A (en) * | 2016-03-04 | 2017-06-23 | 摩瑞尔电器（昆山）有限公司 | Water quality detecting device and its detection method |
| CN108862794A (en) * | 2018-07-16 | 2018-11-23 | 北京时代科仪新能源科技有限公司 | A kind of closed-loop system and method for control loop water quality |
| CN108958118A (en) * | 2018-07-20 | 2018-12-07 | 成都市环境保护科学研究院 | A kind of Multiparameter water quality monitoring system and method |
-
2009
- 2009-12-17 CN CN2009202920845U patent/CN201620044U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885829A (en) * | 2016-03-04 | 2017-06-23 | 摩瑞尔电器（昆山）有限公司 | Water quality detecting device and its detection method |
| CN108862794A (en) * | 2018-07-16 | 2018-11-23 | 北京时代科仪新能源科技有限公司 | A kind of closed-loop system and method for control loop water quality |
| CN108958118A (en) * | 2018-07-20 | 2018-12-07 | 成都市环境保护科学研究院 | A kind of Multiparameter water quality monitoring system and method |
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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: 20101103 Termination date: 20161217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |