CN111624241B - Direct insertion type chloride ion detection device - Google Patents
Direct insertion type chloride ion detection device Download PDFInfo
- Publication number
- CN111624241B CN111624241B CN202010496050.9A CN202010496050A CN111624241B CN 111624241 B CN111624241 B CN 111624241B CN 202010496050 A CN202010496050 A CN 202010496050A CN 111624241 B CN111624241 B CN 111624241B
- Authority
- CN
- China
- Prior art keywords
- sensor
- chloride ion
- electrode
- measuring cell
- measuring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/283—Means for supporting or introducing electrochemical probes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
- G01N27/333—Ion-selective electrodes or membranes
Abstract
The invention provides a direct-insertion type chloride ion detection device, which comprises a display device, a sensor, a measuring pool and a circulating pipe, wherein the sensor is arranged on the display device; the measuring tank is provided with a first connecting part which is used for being communicated with the desulfurizing tower; the sensor is arranged at one end of the measuring cell opposite to the first connecting part, and one part of the sensor extends into the measuring cell; the sensor is connected with the display device; one end of the circulating pipe penetrates through the sensor and extends into the measuring pool, and a power device is arranged on the circulating pipe. The device has the advantages of high measurement accuracy, corrosion resistance, low maintenance cost and the like, and solves the problems that the existing detection technology for the content of the chloride ions in the desulfurization wastewater has large measurement error, the equipment is easy to corrode, the maintenance cost is high and the like.
Description
Technical Field
The invention relates to the technical field of ion detection, in particular to a direct insertion type chloride ion detection device.
Background
In order to ensure the safe and stable operation of the desulfurization system and the high desulfurization efficiency thereof, the desulfurization system is operated to discharge a certain amount of wastewater, which is called desulfurization wastewater. And the impurities in the flue gas, the desulfurizer and the process water often influence the water quality of the desulfurization wastewater. Coal used in a coal-fired power plant contains a plurality of heavy metal elements, and the coal forms a plurality of inorganic compounds under the combustion condition in a boiler, wherein one part of the inorganic compounds enters a desulfurization system along with flue gas and is finally absorbed by absorption slurry. The impurities in the absorption slurry are continuously concentrated in the circulating process of the desulfurization system, so that the impurity content of the desulfurization wastewater is continuously increased. Chloride ions in the desulfurization system mainly come from HCl in flue gas and chloride ions in process water, and along with the continuous operation of the system, the chloride ions are continuously enriched, so that the corrosion of slurry on pipelines and equipment is increased. Therefore, the method for measuring the content of the chloride ions in the desulfurization wastewater has important significance for ensuring the safe and stable operation of the system.
The chloride ion extraction type on-line detection technology is a technology for determining the content of chloride ions in desulfurization wastewater in the prior art. In the measuring process, the desulfurization wastewater needs to be guided into the measuring module through the acquisition system, and the error of the measuring result is large. In addition, the prior art lacks cleaning parts, which can cause corrosion of equipment in long-term use. Therefore, it is an urgent technical problem to provide a corrosion-resistant chloride ion detection device with high measurement accuracy.
Disclosure of Invention
The invention aims to provide a direct insertion type chloride ion detection device which has the advantages of high measurement precision, corrosion resistance, low maintenance cost and the like, and solves the problems that the existing detection technology for the content of chloride ions in desulfurization wastewater has large measurement error, and the equipment is easy to corrode, so that the maintenance cost is high and the like.
The invention provides a direct-insertion type chloride ion detection device, which comprises a display device, a sensor, a measuring pool and a circulating pipe, wherein the sensor is arranged on the display device;
the measuring tank is provided with a first connecting part which is used for being communicated with the desulfurizing tower;
the sensor is arranged at one end of the measuring cell opposite to the first connecting part, and one part of the sensor extends into the measuring cell; the sensor is connected with the display device;
one end of the circulating pipe penetrates through the sensor and extends into the measuring pool, and a power device is arranged on the circulating pipe.
First connecting portion are with desulfurizing tower and measuring tank intercommunication for can directly get into in the measuring tank among the desulfurization waste water. The other end of the measuring tank is provided with a sensor, and one part of the sensor extends into the measuring tank, so that the sensor can detect potential signals and temperature sensing signals of the desulfurization wastewater in the measuring tank. Since the display device is connected with the sensing device, the sensing device can transmit the detected potential signal and the temperature sensing signal to the display device. One end of the circulating pipe penetrates through the sensor and extends into the measuring tank, and the other end of the circulating pipe is communicated with the desulfurizing tower, so that the desulfurizing wastewater in the measuring tank can be circulated into the original desulfurizing tower after being detected. And the power device arranged on the circulating pipe provides transportation power for the desulfurization wastewater in the measuring tank to flow back to the desulfurizing tower.
Further, the sensor comprises an electrode probe, a temperature sensor and a housing;
the electrode probe comprises a chloride ion selective electrode and a reference electrode; the chloride ion selective electrode, the reference electrode and the temperature sensor are respectively fixed in the shell.
The shell provides protection for the electrode probe and the temperature sensor. The chloride ion selective electrode and the reference electrode can generate a potential difference signal, and the temperature sensor can generate a temperature sensing signal. The two signals generated by the sensor are transmitted to the display device through the data line.
Furthermore, the direct insertion type chloride ion detection device also comprises a cleaning component; the cleaning component comprises a water pipe and a nozzle;
the water pipe is communicated with the circulating pipe and extends into the measuring pool; the nozzle sets up the water pipe extends to one end in the measuring pond.
The cleaning component can automatically clean the chloride ion selective electrode, the reference electrode, the temperature sensor and the circulating pipe regularly, is favorable for the long-time operation and work of the direct insertion type chloride ion detection device, and reduces the maintenance amount of the device. The nozzle is arranged, so that the electrode and the temperature sensor can be cleaned more cleanly.
Furthermore, a first flange is arranged on the shell, and a second flange is arranged at one end of the measuring cell opposite to the first connecting part; the first flange is connected with the second flange.
The first flange and the second flange are matched, and the sensor can be fixed at one end of the measuring cell. Furthermore, this allows a free disassembly of the sensor and the measuring cell.
Further, the first connection portion includes a butterfly valve and a third flange;
the third flange is arranged on the measuring cell and is connected with the butterfly valve.
One end of the butterfly valve is communicated with a flange on the desulfurizing tower, and the other end of the butterfly valve is communicated with the measuring tank through a third flange.
Furthermore, a first electromagnetic valve is arranged on the water pipe, and a second electromagnetic valve is arranged on the circulating pipe.
The first electromagnetic valve can control the opening and closing of the water pipe, and further control whether the cleaning component works or not. The second electromagnetic valve can control the opening and closing of the circulation pipe.
Further, the display device comprises a data processor and a display screen; the data processor is electrically connected with the display screen;
the data processor is electrically connected to the chloride ion selective electrode, the reference electrode, and the temperature sensor.
The potential difference signal generated by the chloride ion selective electrode and the reference electrode and the temperature sensing signal generated by the temperature sensor are transmitted to the data processor through the data transmission line. Because the potential difference signal and the negative logarithm of the concentration of the chloride ions are in a linear relation, the data processor can obtain the concentration of the chloride ions in the slurry of the desulfurization system according to the potential difference signal, and carry out temperature compensation correction on the concentration of the chloride ions through the temperature sensing signal. And a display screen electrically connected with the data processor can display the measured chlorine ion concentration value. The shell plays a fixed role in the display screen.
Further, the shell comprises an anti-abrasion protective shell, a waterproof protective shell and an electrode main body shell;
parts of the chloride ion selective electrode, the reference electrode and the temperature sensor extend into the measuring cell, and the parts of the chloride ion selective electrode, the reference electrode and the temperature sensor extending into the measuring cell are fixed in the anti-abrasion protective shell; a waterproof protective shell is arranged on the outer side of the anti-abrasion protective shell;
the parts of the chloride ion selective electrode, the reference electrode and the temperature sensor which do not extend into the measuring cell are fixed in the electrode main body shell.
The anti-abrasion protective shell and the waterproof protective shell reduce the risk of water inflow of the sensor, relieve the scouring of solid particles in the desulfurization slurry to the electrode, ensure the sensor and work for a long time, and ensure that the direct-insertion type chloride ion detection device has higher reliability. In addition, the anti-abrasion protective shell is plated with a high-temperature-resistant graphite anti-corrosion coating so as to ensure long-term operation of the device in a power plant desulfurization system. The electrode protection body case protects a portion that does not penetrate into the measuring cell.
According to the direct-insertion type chloride ion detection device provided by the invention, the sensor is directly inserted into the desulfurization stock solution in the measurement process, the measurement error caused by long pipe section transportation of the desulfurization slurry is reduced, the chloride ion content change of the desulfurization slurry in a desulfurization system can be more accurately reflected in real time without complex operation, and the requirement of precise online measurement is met. Secondly, ensure to be surveyed under the mobile prerequisite of thick liquid with power device, installed waterproof protective housing and abrasionproof protective housing additional at the sensor front end, reduced the risk that the sensor module intake, alleviated the washing away of solid particle to the electrode in the desulfurization thick liquid, guaranteed that the electrode can work for a long time, make whole system have higher reliability. Finally, a cleaning device is added into the detection device, the surface of the electrode and the interior of the circulating pipe can be cleaned automatically at regular intervals, long-time operation work is facilitated, and maintenance amount is small.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a direct insertion type chloride ion detection device provided by the invention;
FIG. 2 is a schematic diagram of the external structure of the sensor;
FIG. 3 is a schematic diagram of the internal structure of the sensor;
fig. 4 is a longitudinal sectional view of the inside of the sensor.
Description of reference numerals:
1: a measuring cell; 2: a circulation pipe; 3: a chloride ion selective electrode; 4: a reference electrode; 5: a temperature sensor; 6: a water pipe; 7: a nozzle; 8: a first flange; 9: a second flange; 10: a butterfly valve; 11: a third flange; 12: a first solenoid valve; 13: a second solenoid valve; 14: a data processor; 15: a display screen; 16: a power plant; 17: an anti-abrasion protective shell; 18: a waterproof protective shell; 19: an electrode body housing.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms also include the plural forms unless the context clearly dictates otherwise, and further, it is understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of the stated features, steps, operations, devices, components, and/or combinations thereof.
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4: a direct-insertion type chloride ion detection device comprises a display device, a sensor, a measuring cell 1 and a circulating pipe 2;
the measuring tank 1 is provided with a first connecting part which is used for being communicated with the desulfurizing tower;
the sensor is arranged at one end of the measuring cell 1 opposite to the first connecting part, and one part of the sensor extends into the measuring cell 1; the sensor is connected with the display device;
one end of the circulating pipe 2 penetrates through the sensor and extends into the measuring cell 1, and a power device 16 is arranged on the circulating pipe 2.
The sensor can carry out chloride ion concentration detection to the desulfurization waste water in measuring cell 1, and display device can accept the potential difference signal that the sensor produced to carry out the analysis to the potential difference signal, obtain the testing result, and show. First connecting portion will measure 1 and desulfurizing tower intercommunication for the desulfurization waste water who accepts chloride ion concentration detection in the desulfurizing tower can get into and measure 1. The sensor sets up in measuring cell 1 and the relative one end of first connecting portion, and the partly of sensor stretches into to measuring cell 1, has guaranteed that the sensor directly determines to the desulfurization waste water in the measuring cell 1. One end of the circulating pipe 2 penetrates through the sensor and extends into the measuring pool 1, a power device 16 is arranged on the circulating pipe 2, and the other end of the circulating pipe 2 is communicated with the desulfurizing tower, so that the detected desulfurizing wastewater in the measuring pool 1 returns to the desulfurizing tower under the action of the power device 16.
Preferably, on the basis of the scheme, the sensor comprises an electrode probe, a temperature sensor 5 and a shell;
the electrode probe comprises a chloride ion selective electrode 3 and a reference electrode 4; a chloride ion selective electrode 3, a reference electrode 4 and a temperature sensor 5 are each fixed within the housing. And, chloride ion selective electrode 3 and reference electrode 4 adopt the buckle form to connect on the shell to install the screw fixation additional, do benefit to and change the electrode.
An electrode probe consisting of a chloride ion selective electrode 3 and a reference electrode 4 collects a potential difference signal of the desulfurization wastewater, and the potential difference signal and the negative logarithm of the concentration of chloride ions form a linear relation. Temperature sensor 5 feels temperature sensing signal carries out temperature compensation correction to chloride ion concentration, guarantees the accurate nature that chloride ion concentration detected. The housing provides support for the electrode probe and the temperature sensor 5.
In order to realize the cleaning of the detection device, the direct insertion type chloride ion detection device also comprises a cleaning component; the cleaning component comprises a water pipe 6 and a nozzle 7;
the water pipe 6 is communicated with the circulating pipe 2, and the water pipe 6 extends into the measuring pool 1; the nozzle 7 is arranged at the end of the water pipe 6 extending into the measuring cell 1.
When the detection apparatus is operated for a long time, the viscous substances in the desulfurization waste water adhere to the reference electrode 4, the chloride ion selective electrode 3 and the circulation tube 2. At this time, the first connection part may be closed, the water pipe 6 may be opened, and the electrode probe and the circulation pipe 2 may be subjected to a cleaning process. The opening of the nozzle 7 is inclined downwards to wash the electrode from top to bottom.
On the basis of the above scheme, it is more preferable that the housing is provided with a first flange 8, and one end of the measuring cell 1 opposite to the first connecting part is provided with a second flange 9; the first flange 8 and the second flange 9 are connected.
The first flange 8 and the second flange 9 are connected, so that the sensor can be fixed at one end of the measuring cell 1 and can be freely detached.
In order to realize the communication between the measuring tank 1 and the desulfurizing tower, the first connecting part comprises a butterfly valve 10 and a third flange 11;
a third flange 11 is arranged on the measuring cell 1, and the third flange 11 is connected with a butterfly valve 10.
The fixing of the measuring cell 1 to the desulfurizing tower can be realized by the butterfly valve 10 and the third flange 11. When chloride ion concentration measurement is not required, the measuring cell 1 can be disassembled, and the butterfly valve 10 is closed to prevent the desulfurization wastewater from leaking. And a liquid level alarm is arranged at the position of the third flange 11 to prevent the device from being damaged due to abnormal liquid level.
In addition to the above, it is preferable that the water pipe 6 is provided with a first electromagnetic valve 12, and the circulation pipe 2 is provided with a second electromagnetic valve 13.
When the in-line type chloride ion detection device measures the ion concentration, the first electromagnetic valve 12 is closed without the need for cleaning the components. When the cleaning component works, the first electromagnetic valve 12 and the second electromagnetic valve 13 are opened, and the cleaning of the electrode probe and the circulating pipe 2 is realized. The first electromagnetic valve 12, the second electromagnetic valve 13 and the power device 16 are electrically connected with a control system to realize the control of the first electromagnetic valve 12, the second electromagnetic valve 13 and the power device 16.
In order to complete the processing of the potential difference signal and the temperature sensing signal, the display device comprises a data processor 14 and a display screen 15; the data processor 14 is electrically connected with the display screen 15;
the data processor 14 is electrically connected to the chloride ion selective electrode 3, the reference electrode 4 and the temperature sensor 5.
The display screen 15 is fixed on the shell, and the data processor 14 processes potential difference signals formed by the chloride ion selection electrode 3 and the reference electrode 4 and temperature sensing signals formed by the temperature sensor 5. The information of the chloride ion concentration obtained after the processing of the data processor 14 is displayed through the display screen 15.
More preferably, in order to protect the sensor, the casing comprises a wear protection casing 17, a waterproof protection casing 18 and an electrode body casing 19;
parts of the chloride ion selective electrode 3, the reference electrode 4 and the temperature sensor 5 extend into the measuring cell 1, and parts of the chloride ion selective electrode 3, the reference electrode 4 and the temperature sensor 5 extending into the measuring cell 1 are fixed in the anti-abrasion protective shell 17; a waterproof protective shell 18 is arranged on the outer side of the anti-abrasion protective shell 17;
the parts of the chloride ion selective electrode 3, the reference electrode 4 and the temperature sensor 5 extending into the measuring cell 1 are fixed in an electrode body housing 19.
The electrode protection body casing protects the part of the sensor that is not deep inside the measuring cell 1. The anti-abrasion protective shell 17 and the waterproof protective shell 18 reduce the risk of water inflow of the sensor, relieve the erosion of solid particles in desulfurization slurry to the electrode, ensure the sensor and work for a long time, and ensure that the direct-insertion type chloride ion detection device has higher reliability. In addition, the wear-resistant protective shell 17 is plated with a high-temperature-resistant graphite anticorrosive coating to ensure long-term operation of the device in a power plant desulfurization system.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. A direct-insertion type chloride ion detection device is characterized by comprising a display device, a sensor, a measuring cell (1) and a circulating pipe (2);
the measuring tank (1) is provided with a first connecting part which is used for being communicated with a desulfurizing tower;
the sensor is arranged at one end of the measuring cell (1) opposite to the first connecting part, and one part of the sensor extends into the measuring cell (1); the sensor is connected with the display device;
one end of the circulating pipe (2) penetrates through the sensor and extends into the measuring pool (1), and a power device (16) is arranged on the circulating pipe (2);
the sensor comprises an electrode probe, a temperature sensor (5) and a shell;
the electrode probe comprises a chloride ion selective electrode (3) and a reference electrode (4); the chloride ion selective electrode (3), the reference electrode (4) and the temperature sensor (5) are respectively fixed in the shell;
the shell comprises an anti-abrasion protective shell (17), a waterproof protective shell (18) and an electrode main body shell (19); parts of the chloride ion selective electrode (3), the reference electrode (4) and the temperature sensor (5) extend into the measuring cell (1), and parts of the chloride ion selective electrode (3), the reference electrode (4) and the temperature sensor (5) extending into the measuring cell (1) are fixed in the anti-abrasion protective shell (17); a waterproof protective shell (18) is arranged on the outer side of the anti-abrasion protective shell (17);
the parts of the chloride ion selective electrode (3), the reference electrode (4) and the temperature sensor (5) which do not extend into the measuring cell (1) are fixed in the electrode body shell (19).
2. The in-line chloride ion detecting device according to claim 1, further comprising a cleaning component; the cleaning component comprises a water pipe (6) and a nozzle (7); the water pipe (6) is communicated with the circulating pipe (2), and the water pipe (6) extends into the measuring pool (1); the nozzle (7) is arranged at one end of the water pipe (6) extending into the measuring pool (1).
3. An in-line chloride ion detecting device according to claim 2, wherein the housing is provided with a first flange (8), and the end of the measuring cell (1) opposite to the first connecting part is provided with a second flange (9); the first flange (8) and the second flange (9) are connected.
4. An in-line chloride detection device according to claim 3, wherein the first connection comprises a butterfly valve (10) and a third flange (11);
the third flange (11) is arranged on the measuring cell (1), and the third flange (11) is connected with the butterfly valve (10).
5. An in-line chloride ion detector according to claim 4, wherein the water pipe (6) is provided with a first solenoid valve (12) and the circulation pipe (2) is provided with a second solenoid valve (13).
6. An in-line chloride detection device according to claim 5, wherein said display device comprises a data processor (14) and a display screen (15); the data processor (14) is electrically connected with the display screen (15);
the data processor (14) is electrically connected with the chloride ion selective electrode (3), the reference electrode (4) and the temperature sensor (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010496050.9A CN111624241B (en) | 2020-06-03 | 2020-06-03 | Direct insertion type chloride ion detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010496050.9A CN111624241B (en) | 2020-06-03 | 2020-06-03 | Direct insertion type chloride ion detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111624241A CN111624241A (en) | 2020-09-04 |
| CN111624241B true CN111624241B (en) | 2022-08-02 |
Family
ID=72270122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010496050.9A Active CN111624241B (en) | 2020-06-03 | 2020-06-03 | Direct insertion type chloride ion detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111624241B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201637709U (en) * | 2010-04-09 | 2010-11-17 | 宝钢工程技术集团有限公司 | Protective cover of region measuring instrument of smoke-gas desulfuration absorption tower pulp pond |
| KR101329998B1 (en) * | 2012-05-15 | 2013-11-15 | (주)티피에스 | Desulfurization system with gas sensor for detecting sulfur compounds |
| CN103852507A (en) * | 2012-11-30 | 2014-06-11 | 汪林林 | Measuring device suitable for plugging and unplugging under pressure |
| CN204740220U (en) * | 2015-05-29 | 2015-11-04 | 马鞍山当涂发电有限公司 | Desulfurization absorption tower pH measures sampling device |
| CN207051141U (en) * | 2017-08-10 | 2018-02-27 | 南京中电环保科技有限公司 | The multi-functional on-line analysis system of wet desulphurization slurry |
-
2020
- 2020-06-03 CN CN202010496050.9A patent/CN111624241B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201637709U (en) * | 2010-04-09 | 2010-11-17 | 宝钢工程技术集团有限公司 | Protective cover of region measuring instrument of smoke-gas desulfuration absorption tower pulp pond |
| KR101329998B1 (en) * | 2012-05-15 | 2013-11-15 | (주)티피에스 | Desulfurization system with gas sensor for detecting sulfur compounds |
| CN103852507A (en) * | 2012-11-30 | 2014-06-11 | 汪林林 | Measuring device suitable for plugging and unplugging under pressure |
| CN204740220U (en) * | 2015-05-29 | 2015-11-04 | 马鞍山当涂发电有限公司 | Desulfurization absorption tower pH measures sampling device |
| CN207051141U (en) * | 2017-08-10 | 2018-02-27 | 南京中电环保科技有限公司 | The multi-functional on-line analysis system of wet desulphurization slurry |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111624241A (en) | 2020-09-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102841060B (en) | On-line water quality quick detection system | |
| CN102692361B (en) | Slurry comprehensive component tester for flue gas desulphurization system of thermal power plant | |
| CN101183087B (en) | Trace quantity dissolved oxygen instrument test calibration system and calibrate method thereof | |
| CN103868822A (en) | Density determination device for slurry in wet desulfurization absorption tower | |
| CN207730303U (en) | Anti- liquid fluctuating interference liquid level detection gauge and detection device | |
| CN203455192U (en) | Online discharge hole analyzing-sampling device | |
| CN111624241B (en) | Direct insertion type chloride ion detection device | |
| CN111707632A (en) | Online total phosphorus, ammonia nitrogen, COD quality of water automatic monitoring device | |
| ITMI961330A1 (en) | SYSTEM FOR MONITORING BIOCIDAL TREATMENTS | |
| CN215866630U (en) | Instrument water tank for water quality monitoring | |
| CN112619397A (en) | A thick liquid performance detection device for wet process deacidification | |
| CN203870060U (en) | Device used for electrochemistry method for monitoring chemical oxygen demand | |
| CN209215370U (en) | A kind of water body section water quality synchronous detecting instrument | |
| CN111896676A (en) | Device and method for automatically measuring ions in water by adopting anti-pollution pH electrode | |
| JPH11118750A (en) | Apparatus for setting of reference electrode | |
| CN216595069U (en) | Mounting structure of water quality sensor buoy | |
| CN219417315U (en) | Corrosive liquid conductivity on-line measurement integrated device | |
| CN217787086U (en) | On-line water quality detector | |
| CN218675143U (en) | Integrated online measuring device for hydrogen/specific conductivity | |
| CN215218645U (en) | Online sampling measurement pool for wet desulphurization absorption solution | |
| CN217561389U (en) | Kit for detecting concentration of chloride ions in tap water | |
| CN205562450U (en) | Online pH meter anti jamming unit of industry | |
| CN2643320Y (en) | Antipollution device for electrochemical electrode | |
| CN103954671B (en) | Chemical oxygen demand (COD) on-Line Monitor Device | |
| CN220154333U (en) | Online moisture content analyzer of explosion-proof corrosive solution |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |