CN202758205U - Control device for dosing water treatment reagent - Google Patents
Control device for dosing water treatment reagent Download PDFInfo
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- CN202758205U CN202758205U CN 201220410404 CN201220410404U CN202758205U CN 202758205 U CN202758205 U CN 202758205U CN 201220410404 CN201220410404 CN 201220410404 CN 201220410404 U CN201220410404 U CN 201220410404U CN 202758205 U CN202758205 U CN 202758205U
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Abstract
The utility model discloses a control device for dosing water treatment reagent, comprising a treated water flow sensor, a treated water pH value sensor, a treated water temperature sensor, an atmospheric pressure sensor, a water treatment reagent sensor, a reagent heating water bath temperature sensor, an A/D analog-digital conversion module, a D/A digital-analog conversion module, a frequency converter, and a PLC programmable controller, wherein the A/D analog-digital conversion module respectively collects analog quantity parameters sent by the treated water flow sensor, the treated water pH value sensor, the treated water temperature sensor, the atmospheric pressure sensor and the water treatment reagent sensor, converts the collected analog quantity parameters into digital quantities, and then sends the digital quantities to the PLC programmable controller for processing; and the processed digital quantities are sent to the D/A digital-analog conversion module, and are converted into an output frequency of an analog quantity control frequency converter, so as to control the yield of a water treatment reagent generator. The control device provided by the utility model can adjust the dosage of the reacting raw materials in real time when the environmental conditions change, and has high dosage accuracy.
Description
Technical field
The utility model relates to the water treatment facilities technical field, is the technology of the control device that adds of a kind of water treatment agent specifically.
Background technology
At present, what the control device of the generator of known water treatment agent such as chlorine dioxide adopted is that the chlorine dioxide signal is as the generation control parameter of chlorine dioxide generator, when this kind control mode is used for the on-the-spot sterilization control of water factory's water treatment, owing to being added to from the chemical reaction raw material and obtaining feedback signal retardation time more than 30 minutes is arranged, and the dosage of reaction raw materials and chlorine dioxide signal parameter are without direct corresponding relation, its control method is as benchmark take the chlorine dioxide setting value, relatively control with the chlorine dioxide detected value, therefore, flow change when processed water, water temperature changes, the environmental baselines such as atmospheric pressure change change in the situation, it is long that the reaction raw materials dosage is adjusted the time cycle automatically, according to several hours to tens hours the adjustment time of unusual needs of variable quantity, as shorten the automatic adjustment time cycle, must be take the accuracy of sacrificing dosage as cost, and can not reach the function of real-time adjustment dosage.
Summary of the invention
It is simple and easy, easy to use that the purpose of this utility model provides a kind of operation, under changing situation, environmental baseline can adjust in real time the reaction raw materials dosage, and the control device that adds of the high water treatment agent of reaction raw materials dosage accuracy.
Above-mentioned purpose is achieved through the following technical solutions.
The control device that a kind of water treatment agent adds, comprise the processed water flow sensor, processed water pH value sensor, the processed water temperature sensor, barometric pressure sensor, the bath temperature sensor of water treatment agent sensor and medicament heating, it is characterized in that: the control device that described water treatment agent adds also includes the A/D analog-to-digital conversion module, the D/A D/A converter module, frequency converter and PLC Programmable Logic Controller, the processed water flow sensor, processed water pH value sensor, the processed water temperature sensor, barometric pressure sensor, the bath temperature sensor of water treatment agent sensor and medicament heating is all by signal wire and A/D analog-to-digital conversion module connection, A/D analog-to-digital conversion module and PLC Programmable Logic Controller connection, A/D analog-to-digital conversion module and PLC Programmable Logic Controller connection, D/A D/A converter module and PLC Programmable Logic Controller connection, D/A D/A converter module and frequency converter connection, frequency converter is connected with the water treatment agent generator circuit, the Data Control PLC Programmable Logic Controller exit point break-make of the bath temperature sensor after wherein processing, and then control medicament heated water bath temperature, the A/D analog-to-digital conversion module gathers respectively the processed water flow sensor, processed water pH value sensor, the processed water temperature sensor, behind the analog quantity parameter that barometric pressure sensor and water treatment agent sensor send, be converted to digital quantity, sending into the PLC Programmable Logic Controller processes, digital quantity after the processing is sent into the D/A D/A converter module, be converted to the output frequency of analog quantity control frequency converter, and then the generation of control water treatment agent generator.
Described PLC Programmable Logic Controller is provided with the RS485 interface.
Described water treatment agent sensor is chlorine dioxide sensor, and the water treatment agent generator is the pharmaceutical chemistry reaction generator.
Described frequency converter is provided with two frequency converters, respectively a frequency converter and No. two frequency converters, the water treatment agent generator comprises the sodium chlorate volume pump, hydrochloric acid volume pump and pharmaceutical chemistry reaction generator body, No. one frequency converter is connected with sodium chlorate volume pump circuit, No. two frequency converter is connected with hydrochloric acid volume pump circuit, described analog quantity through the conversion of D/A D/A converter module, wherein one the tunnel control frequency converter output frequency, then control sodium chlorate volume pump feeding speed, the output frequency of No. two frequency converters of another road control is controlled hydrochloric acid volume pump feeding speed then.
Described water treatment agent measurement value sensor and setting value compare, and difference increases and decreases mode correction chlorine dioxide generation with ladder after the PLC Programmable Logic Controller is processed.
The control device that described water treatment agent adds also comprise one with control program and experiment gained initial parameter input to the PLC Programmable Logic Controller and can the setting operation inventory interface, touch-screen, touch-screen and the PLC Programmable Logic Controller connection at condition monitoring interface, technological process and on-line parameter interface, parameter setting interface, parameter correction interface.
The utility model compared with prior art has the following advantages.
Pass through the technical solution of the utility model, the control of the intrinsic added amount of chemical of pharmaceutical chemistry reaction generator, by the processed water flow parameter, processed water pH parameter, the parameter of processed water temperature, the atmospheric pressure parameter, water treatment agent parameter after the processing is finished jointly, following medicament is with chlorine dioxide, the water treatment agent generator is that chlorine dioxide generator is that example describes, described discharge parameter is main control parameter, in water technology because peak phase every day and paddy phase factor, the change frequency of discharge parameter is the highest, amplitude is maximum, the discharge parameter linear relationship that is directly proportional with the dosage of disinfection agent of chlorine dioxide; Be nonlinear relationship between processed water body pH value and chlorine dioxide dosage, amplitude of variation is less relatively, processed water temperature and atmospheric pressure evaporate into from water body chlorine dioxide considerable influence in the air, when water temperature high, volatile quantity was large when atmospheric pressure was low, otherwise volatile quantity is little, and corresponds to nonlinear relationship; Add disinfection agent of chlorine dioxide in accordance with regulations with water body after duration of contact, having reacted chlorine dioxide generator by the detected water body chlorine dioxide of chlorine dioxide sensor parameter is the resonable degree of generation in the pharmaceutical chemistry reaction generator body, but owing to not having direct corresponding relation between water body chlorine dioxide parameter and chlorine dioxide generator turnout, so the chlorine dioxide detected value is revised the chlorine dioxide generator generation with the control mode of ladder after can only comparing with setting value.Bath temperature sensor after the processing is that the medicament water bath heating temperature is independently controlled parameter.
From the above, the utility model is on the basis of the traditional control function of maintenance, with the processed water flow sensor, processed water pH sensor, the processed water temperature sensor, barometric pressure sensor, the detected analog quantity parameter value of water treatment agent sensor such as chlorine dioxide sensor, being converted to digital quantity by the A/D modular converter sends into PLC and processes, be converted to analog quantity by the D/A D/A converter module again, the output frequency of control frequency converter, inverter output terminal connects the chlorine dioxide generator volume pump that feeds intake, to adopting the chlorine dioxide generator of electromagnetic dosing pump, PLC switching value lead-out terminal provides pulse signal, finally reaches real-time control chlorine dioxide generation.As seen the utility model is when processed water body flow, processed water body pH value, processed water temperature and atmospheric pressure change, can do corresponding the adjustment to the generation of chlorine dioxide generator in real time, and by chlorine dioxide detected value and setting value comparison, revising the water treatment agent generator is the unit generation of chlorine dioxide generator, reach the fast purpose of accurate control chlorine dioxide generation, the reaction raw materials dosage can reach 1.0% accuracy.
The utility model can support the use with any chemical reaction chlorine dioxide generator, is more suitable for the large place of parameter changes in environmental conditions and uses.The utility model is fit to the control that the multiple water treatment medicament generators such as chlorine dioxide, composite chlorine dioxide add.
Description of drawings
Fig. 1 is the fundamental diagram of the control device that adds of the utility model water treatment agent.
Fig. 2 is the schematic diagram of the control device actual application scheme that adds of the utility model water treatment agent.
Among the figure 1, touch-screen, 2, PLC Programmable Logic Controller, 3, RS485 external communication mouth, 4, A/D analog-to-digital conversion module, 5, D/A D/A converter module, 6, the processed water flow sensor, 7, processed water pH value sensor, 8, processed water temperature sensor, 9, barometric pressure sensor, 10, the water treatment agent sensor, 11, the bath temperature sensor of medicament heating, 12, frequency converter, 13, No. two frequency converters, 14, water treatment agent generator body, 15, hydrochloric acid volume pump feeding device, 16, sodium chlorate volume pump feeding device, 17, clear water reserviors.
Embodiment
Below in conjunction with accompanying drawing the control device that the utility model water treatment agent adds is described in further detail.
Such as Fig. 1, the control device that the utility model water treatment agent adds, comprise processed water flow sensor 6, processed water pH value sensor 7, processed water temperature sensor 8, barometric pressure sensor 9, water treatment agent sensor 10, the bath temperature sensor 11 of medicament heating, A/D analog-to-digital conversion module 4, D/A D/A converter module 5, a frequency converter 12, No. two frequency converters 13, with PLC Programmable Logic Controller 2, wherein the processed water flow sensor 6, processed water pH value sensor 7, processed water temperature sensor 8, barometric pressure sensor 9, then the bath temperature sensor 11 of water treatment agent sensor 10 and medicament heating carries out data by PLC Programmable Logic Controller 2 and processes all by signal wire and A/D analog-to-digital conversion module 4 connections.D/A D/A converter module 5 and PLC Programmable Logic Controller 2 connections, D/A D/A converter module 5 and frequency converter connection, frequency converter is connected with the water treatment agent generator circuit.Water treatment agent sensor 10 is chlorine dioxide sensor.The pH value is being commonly called as of numerical value of hydrogen ionexponent, the numerical value of expression solution acidic or alkaline degree, the i.e. negative value of the common logarithm of contained pH.
The data of the bath temperature sensor 11 after wherein processing are used for control PLC Programmable Logic Controller 2 exit point break-makes, thereby reach control medicament heated water bath temperature purpose; After A/D analog-to-digital conversion module 4 gathers respectively the analog quantity parameter that processed water flow sensor 6, processed water pH value sensor 7, processed water temperature sensor 8, barometric pressure sensor 9 and water treatment agent sensor 10 send, be converted to digital quantity, sending into PLC Programmable Logic Controller 2 processes, digital quantity after the processing is sent into D/A D/A converter module 5, be converted to the output frequency of analog quantity control frequency converter, and then the generation of control chlorine dioxide generator.The PLC Programmable Logic Controller is provided with the RS485 interface.
System is provided with two frequency converters, respectively a frequency converter 12 and No. two frequency converters 13, the medicament generator comprises the sodium chlorate volume pump, hydrochloric acid volume pump and water treatment agent generator body 14 are also referred to as the pharmaceutical chemistry reaction generator, No. one frequency converter 12 is connected with sodium chlorate volume pump circuit, No. two frequency converter 13 is connected with hydrochloric acid volume pump circuit, analog quantity through the conversion of D/A D/A converter module, wherein one the tunnel control frequency converter 12 output frequency, then control sodium chlorate volume pump feeding speed, the output frequency of No. two frequency converters 13 of another road control is controlled hydrochloric acid volume pump feeding speed then.Water treatment agent sensor 10 measured values and setting value compare, and difference increases and decreases mode correction chlorine dioxide generation with ladder after PLC Programmable Logic Controller 2 is processed.The control device that the utility model water treatment agent adds comprises that also one inputs to the PLC Programmable Logic Controller with control program and experiment gained initial parameter, and can the setting operation inventory interface, the touch-screen 1 at condition monitoring interface, technological process and on-line parameter interface, parameter setting interface, parameter correction interface, touch-screen 1 and PLC Programmable Logic Controller 2 connections.Water treatment agent generator body 14, hydrochloric acid volume pump feeding device 15, sodium chlorate volume pump feeding device 16 and clear water reserviors 17 have also been illustrated among Fig. 2.
Principle of work: in Fig. 1, the modulus initial parameter inputs to PLC Programmable Logic Controller 2, and in touch-screen 1 setting operation inventory interface, condition monitoring interface, technological process and on-line parameter interface, parameter setting interface, parameter correction interface.When system moves, A/D touches number conversion module 4 and gathers respectively processed water flow sensor 6, processed water pH value sensor 7, processed water temperature sensor 8, barometric pressure sensor 9, behind the analog quantity parameter that the bath temperature sensor 11 of water treatment agent sensor 10 and medicament heating sends, be converted to digital quantity, sending into PLC Programmable Logic Controller 2 processes, two-way digital quantity after the processing is sent into D/A D/A converter module 5, be converted to analog quantity, wherein one the tunnel control frequency converter 12 output frequency, realize control sodium chlorate volume pump feeding speed, the output frequency of No. two frequency converters 13 of another road control, realize control hydrochloric acid volume pump feeding speed, thereby quick and precisely control the generation of chlorine dioxide generator.Bath temperature sensor 11 is for bath temperature control, and it connects and composes the basic function circuit in conjunction with I/O switching value exit point in the PLC Programmable Logic Controller 2 and peripheral hardware switching value output components and parts circuit.
Processed water flow sensor 6, processed water pH value sensor 7, processed water temperature sensor 8 are installed in before water treatment agent adds a little among Fig. 2, select water treatment agent installation of sensors position according to the clear water reserviors size, principle is that water treatment agent and processed water body detected after half an hour duration of contact.Barometric pressure sensor 9 should be installed in clear water reserviors nearby, and height approaches with the clear water reserviors water level.
This programme is implemented in service, and processed water body flow, pH value, water temperature reach when atmospheric pressure changes nearby, and the utility model is the corresponding water treatment agent generating capacity of adjusting in real time.Impact for other all factors produce will detect numerical value later on and the setting value comparison by the water treatment agent sensor, then control the increase and decrease of water treatment agent staged, finally reach the setting equilibrium point.
Claims (7)
1. control device that water treatment agent adds, comprise processed water flow sensor (6), processed water pH value sensor (7), processed water temperature sensor (8), barometric pressure sensor (9), the bath temperature sensor (11) of water treatment agent sensor (10) and medicament heating, it is characterized in that: the control device that described water treatment agent adds also includes A/D analog-to-digital conversion module (4), D/A D/A converter module (5), frequency converter and PLC Programmable Logic Controller (2), processed water flow sensor (6), processed water pH value sensor (7), processed water temperature sensor (8), barometric pressure sensor (9), the bath temperature sensor (11) of water treatment agent sensor (10) and medicament heating is all by signal wire and A/D analog-to-digital conversion module (4) connection, A/D analog-to-digital conversion module (4) and PLC Programmable Logic Controller (2) connection, A/D analog-to-digital conversion module (4) and PLC Programmable Logic Controller (2) connection, D/A D/A converter module (5) and PLC Programmable Logic Controller (2) connection, D/A D/A converter module (5) and frequency converter connection, frequency converter is connected with the water treatment agent generator circuit
Data Control PLC Programmable Logic Controller (2) the exit point break-make of the bath temperature sensor (11) after wherein processing, and then control medicament heated water bath temperature, A/D analog-to-digital conversion module (4) gathers respectively processed water flow sensor (6), processed water pH value sensor (7), processed water temperature sensor (8), behind the analog quantity parameter that barometric pressure sensor (9) and water treatment agent sensor (10) send, be converted to digital quantity, sending into PLC Programmable Logic Controller (2) processes, digital quantity after the processing is sent into D/A D/A converter module (5), be converted to the output frequency of analog quantity control frequency converter, and then the generation of control water treatment agent generator.
2. the control device that adds of water treatment agent according to claim 1, it is characterized in that: described PLC Programmable Logic Controller (2) is provided with RS485 interface (3).
3. the control device that adds of water treatment agent according to claim 1, it is characterized in that: described water treatment agent sensor (10) is chlorine dioxide sensor, and the water treatment agent generator is the pharmaceutical chemistry reaction generator.
4. the control device that adds of water treatment agent according to claim 3, it is characterized in that: described frequency converter is provided with two frequency converters, respectively a frequency converter (12) and No. two frequency converters (13), the water treatment agent generator comprises the sodium chlorate volume pump, hydrochloric acid volume pump and pharmaceutical chemistry reaction generator body (14), a frequency converter (12) is connected with sodium chlorate volume pump circuit, No. two frequency converters (13) are connected with hydrochloric acid volume pump circuit, described analog quantity through D/A D/A converter module (5) conversion, wherein one the tunnel control frequency converter (12) output frequency, then control sodium chlorate volume pump feeding speed, the output frequency of another road No. two frequency converters of control (13) is controlled hydrochloric acid volume pump feeding speed then.
5. the control device that adds of water treatment agent according to claim 4, it is characterized in that: described water treatment agent sensor (10) measured value and setting value compare, and difference increases and decreases mode correction chlorine dioxide generation with ladder after PLC Programmable Logic Controller (2) is processed.
6. the control device that adds of water treatment agent according to claim 3, it is characterized in that: described water treatment agent generator is chlorine dioxide generator.
7. the control device that adds of water treatment agent according to claim 1, it is characterized in that: the control device that described water treatment agent adds also comprise one with control program and experiment gained initial parameter input to PLC Programmable Logic Controller (2) and can the setting operation inventory interface, touch-screen (1), touch-screen (1) and PLC Programmable Logic Controller (2) connection at condition monitoring interface, technological process and on-line parameter interface, parameter setting interface, parameter correction interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220410404 CN202758205U (en) | 2012-08-17 | 2012-08-17 | Control device for dosing water treatment reagent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220410404 CN202758205U (en) | 2012-08-17 | 2012-08-17 | Control device for dosing water treatment reagent |
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| Publication Number | Publication Date |
|---|---|
| CN202758205U true CN202758205U (en) | 2013-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220410404 Expired - Fee Related CN202758205U (en) | 2012-08-17 | 2012-08-17 | Control device for dosing water treatment reagent |
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| Country | Link |
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| CN (1) | CN202758205U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104773865A (en) * | 2015-03-17 | 2015-07-15 | 成都赋阳技术开发有限公司 | Printed circuit board complex wastewater processing device |
| CN110980898A (en) * | 2019-10-11 | 2020-04-10 | 浙江华晨环保有限公司 | Medicament adding system of water purifying equipment |
| WO2021216347A1 (en) * | 2020-04-21 | 2021-10-28 | Truox, Inc. | A method and system for the remediation of aquatic facilities |
| US11999633B2 (en) | 2020-04-21 | 2024-06-04 | Truox Inc. | Method and system for the remediation of aquatic facilities |
-
2012
- 2012-08-17 CN CN 201220410404 patent/CN202758205U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104773865A (en) * | 2015-03-17 | 2015-07-15 | 成都赋阳技术开发有限公司 | Printed circuit board complex wastewater processing device |
| CN110980898A (en) * | 2019-10-11 | 2020-04-10 | 浙江华晨环保有限公司 | Medicament adding system of water purifying equipment |
| WO2021216347A1 (en) * | 2020-04-21 | 2021-10-28 | Truox, Inc. | A method and system for the remediation of aquatic facilities |
| US11999633B2 (en) | 2020-04-21 | 2024-06-04 | Truox Inc. | Method and system for the remediation of aquatic facilities |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20160817 |