CN103308558A - Extract type PH value monitoring system - Google Patents
Extract type PH value monitoring system Download PDFInfo
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- CN103308558A CN103308558A CN201310204369XA CN201310204369A CN103308558A CN 103308558 A CN103308558 A CN 103308558A CN 201310204369X A CN201310204369X A CN 201310204369XA CN 201310204369 A CN201310204369 A CN 201310204369A CN 103308558 A CN103308558 A CN 103308558A
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Abstract
The invention relates to the technical field of a PH value monitoring device, and in particular relates to an extract type online PH value monitoring system. The system comprises a measuring kettle, a feeding device, a reaction pond, an electronic PLC (programmable logic controller) and a data display acquiring device, wherein a PH electrode is arranged in the measuring kettle, the feeding device comprises a feeding pipe, one end of the feeding pipe is capable of extending into the reaction pond and the other end of the feeding pipe is capable of extending into the measuring kettle, the feeding pipe is provided with a feeding pump and an electromagnetic valve A, the bottom of the measuring kettle is provided with a discharge pipe, the external end of the discharge pipe is capable of extending into the reaction pond, and the discharge pipe is provided with an electromagnetic valve B; the electronic PLC is respectively electrically connected with the PH electrode, the electromagnetic valve A, the electromagnetic valve B, the feeding pump and the data display acquiring device. The to-be-tested solution in the reaction pond is extracted into the measuring kettle through the feeding device, the PH electrode is used for measuring the PH value of the solution in the measuring kettle so that the online PH electrode is thoroughly free from the constraint and influence of the production field, and the stability and the precision are guaranteed.
Description
Technical field
The present invention relates to pH value supervising device technical field, particularly the online pH value supervisory system of a kind of extraction formula.
Background technology
In the production and process of chemical products, pH value is one of very important index, needs it is carried out in good time on-line monitoring, in order in good time regulation and control are accomplished in reaction.Existing online PH monitoring device, PH counts in the reaction tank that is arranged at the scene, its environment and field conditions are constantly changing, PH meter in use, have poor anti jamming capability, measure unstable, electrode easily broken, bubble and solid particle often stick electrode, cause electrode fouling and fouling, the measurement that affects the pH value is accurate, and deficiency and the defectives such as electrode clean and demarcation are inconvenient, under the condition of working condition complexity, existing online PH meter can't normally use at all.Therefore be necessary existing online PH monitoring device is improved, with deficiency and the defective that overcomes prior art, to improve the accuracy of PH instrumentation amount.
Summary of the invention
Deficiency for above-mentioned prior art exists the purpose of this invention is to provide the online pH value supervisory system of a kind of extraction formula, and it has simple in structure, and working environment is stable, the measurement accuracy advantages of higher.
To achieve these goals, the technical solution adopted in the present invention is:
The online pH value supervisory system of extraction formula of the present invention, comprise measure kettle, feed arrangement, reaction tank, PLC is automatically controlled and data show harvester, be provided with the PH electrode in the described measurement kettle, described feed arrangement comprises feed pipe, feed pipe one end stretches in the reaction tank, the feed pipe other end stretches into to be measured in the kettle, and feed pipe is provided with feeder pump and solenoid valve A; Described measurement kettle bottom is provided with drainage conduit, and the drainage conduit outer end is stretched in the reaction tank, and described drainage conduit is provided with solenoid valve B; Described PLC is automatically controlled to show that with PH electrode, solenoid valve A, solenoid valve B, feeder pump and data harvester is electrically connected respectively.
Further, be connected with water pipe A on the feed pipe between described solenoid valve A and the feeder pump, water pipe A is provided with solenoid valve C, and described solenoid valve C is electrically connected with PLC is automatically controlled.
Further, also comprise the cleaning device of measuring kettle, described cleaning device comprises water pipe B and the water pump and the solenoid valve D that are located on the water pipe B, and described water pipe B one end stretches into to be measured in the kettle, and described water pump and solenoid valve D are electrically connected with PLC is automatically controlled respectively.
Further, be connected with high-pressure air hose on the described drainage conduit, described high-pressure air hose is connected in the inboard of solenoid valve B.
Beneficial effect of the present invention: comprise measure kettle, feed arrangement, reaction tank, PLC is automatically controlled and data show harvester, be provided with the PH electrode in the described measurement kettle, during use, by feed arrangement solution to be measured in the reaction tank is extracted in the measurement kettle, the PH electrode is measured the pH value of solution in measuring kettle, make online PH electrode thoroughly break away from constraint and the impact of production scene (reaction tank), guaranteed stable and precision.
Description of drawings
Fig. 1 is one-piece construction schematic diagram of the present invention.
Among the figure:
1, water pipe A; 2, solenoid valve C; 3, feed pipe; 4, feeder pump;
5, reaction tank; 6, solenoid valve A; 7, PLC is automatically controlled;
8, data show harvester;
9, high-pressure air hose; 10, measure kettle; 11, solenoid valve B; 12, water pipe B;
13, PH electrode; 14, solenoid valve D; 15, water pump; 16, discharge B.
Embodiment
The present invention is further described below in conjunction with accompanying drawing.
As shown in Figure 1, the online pH value supervisory system of extraction formula of the present invention comprises that measuring kettle 10, feed arrangement, reaction tank 5, PLC automatically controlled 7 and data shows harvester 8; Be provided with PH electrode 13 in the described measurement kettle 10, described PLC automatically controlled 7 shows that with data harvester 8 and PH electrode 13 are electrically connected.The said equipment and member form agent structure of the present invention.
Described feed arrangement comprises feed pipe 3, and feed pipe 3 one ends stretch in the reaction tank 5, and feed pipe 3 other ends stretch into to be measured in the kettle 10, and feed pipe 3 is provided with feeder pump 4 and solenoid valve A6.Described feeder pump 4 and solenoid valve A6 are electrically connected with PLC automatically controlled 7 respectively, namely control the keying of feeder pumps 4 and solenoid valve A6 by PLC automatically controlled 7.Described measurement kettle 10 bottoms are provided with drainage conduit 16, and drainage conduit 16 outer ends are stretched in the reaction tank 5, and described drainage conduit 16 is provided with solenoid valve B11; Described PLC automatically controlled 7 is electrically connected with solenoid valve B11.Use when of the present invention, open feeder pump 4 and solenoid valve A6 by PLC automatically controlled 7 first, with reaction tank 5(production scene) in solution to be measured be extracted into and measure in the kettle 10, at this moment, the PH electrode 13 of measuring in the kettle 10 can be to measuring the pH value of solution to be measured, and PH electrode 13 data of surveying reach data through PLC automatically controlled 7 and show that harvester 8 shows collection.The present invention is extracted into solution to be measured and measures in the kettle 10, PH electrode 13 is measured at measurement kettle 10 interior pH values to solution, make online PH electrode thoroughly break away from constraint and the impact of production scene (reaction tank 5), stable and precision have been guaranteed, simultaneously, the PH electrode is owing to being placed directly in the stable measurement kettle 10 of operating mode, so PH electrode 13 is not fragile, and demarcates very convenient.After measuring, the automatically controlled 7 opens solenoid valve B11 of PLC, solution to be measured is in drainage conduit 16 flows back to reaction tank 5 again.
As the further preferred version of the present invention, be connected with water pipe A1 on the feed pipe 3 between described solenoid valve A6 and the feeder pump 4, water pipe A1 is provided with solenoid valve C2, and described solenoid valve C2 is electrically connected with PLC automatically controlled 7.Arrange like this, when higher or impurities is more when feeder pump 4 solution viscosity to be measured of taking out, the possibility that feeder pump 4 stops up is larger, for avoiding affecting the normal operation of feeder pump 4, need regularly feeder pump 4 to be cleaned, concrete operations are as follows: the automatically controlled 7 shut electromagnetic valve A6 of PLC, and opens solenoid valve C2, rinse water is cleaned feeder pump 4 through water pipe A1.
Further, the present invention also comprises the cleaning device of measuring kettle 10, described cleaning device comprises water pipe B12 and the water pump 15 and the solenoid valve D14 that are located on the water pipe B12, and described water pipe B12 one end stretches into to be measured in the kettle 10, and described water pump 15 and solenoid valve D14 are electrically connected with PLC automatically controlled 7 respectively.Be that the present invention's solution to be measured is from measuring kettle 10 after drainage conduit 16 drains into reaction tank 5, measuring in the kettle 10 still residually has solution to be measured, the present invention is by the automatically controlled 7 opens solenoid valve D14 of PLC and water pump 15, rinse water enters by water pipe B12 and measures kettle 10, wash measuring kettle 10, solution to be measured can be deposited in measure in the kettle, the solid particle of solution to be measured can not be attached on the PH electrode 13, like this, be conducive to guarantee the accuracy next time measured.
Further, be connected with high-pressure air hose 9 on the drainage conduit 16 of the present invention, described high-pressure air hose 9 is connected in the inboard of solenoid valve B11.Arrange like this, after cleaning device is complete to 10 cleanings of measurement kettle, also can open high-pressure air hose 9, blow to measuring kettle 10 bottoms, further guarantee to make solution to be measured can not be deposited in and measure in the kettle, the solid particle of solution to be measured can not be attached on the PH electrode 13.
The keying of each solenoid valve of the present invention, feeder pump 4, water pump 15 and high-pressure air hose 9 is all by automatically controlled 7 setup controls of PLC, and by data demonstration harvester 8 demonstration records, highly intelligent, can effectively realize the functions such as remote monitoring, bound warning, data query, history curve analysis of pH value.
The present invention has avoided the reasonable use of the adverse effect of site environment to PH electrode 13, particularly cleaning device, high-pressure air hose 9, efficiently solves 10 obstructions of measurement kettle and solid particle and sticks the technical barriers such as PH electrode 13.
Need to prove, the pH value in the practical various chemical process of the present invention is measured.
The above only is better embodiment of the present invention, therefore all equivalences of doing according to the described structure of patent claim of the present invention, feature and principle change or modify, is included in the patent claim of the present invention.
Claims (4)
1. the online pH value supervisory system of extraction formula, it is characterized in that: comprise that measuring kettle (10), feed arrangement, reaction tank (5), PLC automatically controlled (7) and data shows harvester (8), be provided with PH electrode (13) in the described measurement kettle (10), described feed arrangement comprises feed pipe (3), feed pipe (3) one ends stretch in the reaction tank (5), feed pipe (3) other end stretches into to be measured in the kettle (10), and feed pipe (3) is provided with feeder pump (4) and solenoid valve A(6); Described measurement kettle (10) bottom is provided with drainage conduit (16), and drainage conduit (16) outer end is stretched in the reaction tank (5), and described drainage conduit (16) is provided with solenoid valve B(11); Described PLC automatically controlled (7) respectively with PH electrode (13), solenoid valve A(6), solenoid valve B(11), feeder pump (4) and data show that harvesters (8) are electrically connected.
2. the online pH value supervisory system of extraction formula according to claim 1, it is characterized in that: described solenoid valve A(6) and on the feed pipe (3) between the feeder pump (4) be connected with water pipe A(1), water pipe A(1) be provided with solenoid valve C(2), described solenoid valve C(2) automatically controlled with PLC (7) be electrically connected.
3. the online pH value supervisory system of extraction formula according to claim 2, it is characterized in that: also comprise the cleaning device of measuring kettle (10), described cleaning device comprises water pipe B(12) and be located at water pipe B(12) on water pump (15) and solenoid valve D(14), described water pipe B(12) end stretches into and measures in the kettle (10) described water pump (15) and solenoid valve D(14) respectively automatically controlled with PLC (7) be electrically connected.
4. the online pH value supervisory system of extraction formula according to claim 3, it is characterized in that: be connected with high-pressure air hose (9) on the described drainage conduit (16), described high-pressure air hose (9) is connected in solenoid valve B(11) the inboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310204369XA CN103308558A (en) | 2013-05-29 | 2013-05-29 | Extract type PH value monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310204369XA CN103308558A (en) | 2013-05-29 | 2013-05-29 | Extract type PH value monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN103308558A true CN103308558A (en) | 2013-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310204369XA Pending CN103308558A (en) | 2013-05-29 | 2013-05-29 | Extract type PH value monitoring system |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87204527U (en) * | 1987-08-21 | 1988-07-13 | 冯泽群 | Multi-functional full-automatic testing instrument for water quality. |
| US20010011642A1 (en) * | 1998-03-30 | 2001-08-09 | Masao Fukunaga | Water quality meter and water quality monitoring system |
| CN201337880Y (en) * | 2009-01-06 | 2009-11-04 | 大连华城电子有限公司 | On-line cleaning device for environmental protection desulfuration PH value detector |
| CN201607422U (en) * | 2010-02-21 | 2010-10-13 | 吉林光大电力设备股份有限公司 | Automatic cleaning device of glass electrode of sewage pH meter |
| CN202089816U (en) * | 2011-05-25 | 2011-12-28 | 贵州华源环保科技发展有限公司 | Potential of hydrogen (PH) probe type coal mine acid waste water treatment device |
| CN202205106U (en) * | 2011-08-18 | 2012-04-25 | 山东江口生物科技有限公司 | Online adjusting and monitoring system for pH value of starch milk |
| CN202735286U (en) * | 2012-07-26 | 2013-02-13 | 胜利油田中胜环保有限公司 | pH value gauge for production of oil sulfosalt |
-
2013
- 2013-05-29 CN CN201310204369XA patent/CN103308558A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87204527U (en) * | 1987-08-21 | 1988-07-13 | 冯泽群 | Multi-functional full-automatic testing instrument for water quality. |
| US20010011642A1 (en) * | 1998-03-30 | 2001-08-09 | Masao Fukunaga | Water quality meter and water quality monitoring system |
| CN201337880Y (en) * | 2009-01-06 | 2009-11-04 | 大连华城电子有限公司 | On-line cleaning device for environmental protection desulfuration PH value detector |
| CN201607422U (en) * | 2010-02-21 | 2010-10-13 | 吉林光大电力设备股份有限公司 | Automatic cleaning device of glass electrode of sewage pH meter |
| CN202089816U (en) * | 2011-05-25 | 2011-12-28 | 贵州华源环保科技发展有限公司 | Potential of hydrogen (PH) probe type coal mine acid waste water treatment device |
| CN202205106U (en) * | 2011-08-18 | 2012-04-25 | 山东江口生物科技有限公司 | Online adjusting and monitoring system for pH value of starch milk |
| CN202735286U (en) * | 2012-07-26 | 2013-02-13 | 胜利油田中胜环保有限公司 | pH value gauge for production of oil sulfosalt |
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Application publication date: 20130918 |
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