CN220137060U - Device for realizing on-line monitoring of oxidation rate of desulfurization slurry based on ORP principle - Google Patents
Device for realizing on-line monitoring of oxidation rate of desulfurization slurry based on ORP principle Download PDFInfo
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- CN220137060U CN220137060U CN202320621904.0U CN202320621904U CN220137060U CN 220137060 U CN220137060 U CN 220137060U CN 202320621904 U CN202320621904 U CN 202320621904U CN 220137060 U CN220137060 U CN 220137060U
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- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 63
- 230000003647 oxidation Effects 0.000 title claims abstract description 61
- 239000002002 slurry Substances 0.000 title claims abstract description 61
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 36
- 230000023556 desulfurization Effects 0.000 title claims abstract description 36
- 238000012544 monitoring process Methods 0.000 title claims abstract description 7
- 238000010521 absorption reaction Methods 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 30
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 22
- 239000001301 oxygen Substances 0.000 claims abstract description 22
- 238000012806 monitoring device Methods 0.000 claims abstract description 17
- 238000005273 aeration Methods 0.000 claims abstract description 14
- 238000011010 flushing procedure Methods 0.000 claims description 24
- 239000007921 spray Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000008235 industrial water Substances 0.000 claims description 6
- 230000003009 desulfurizing effect Effects 0.000 claims description 5
- 238000005070 sampling Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 3
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052717 sulfur Inorganic materials 0.000 abstract description 2
- 239000011593 sulfur Substances 0.000 abstract description 2
- 239000003245 coal Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Treating Waste Gases (AREA)
Abstract
The utility model provides an online monitoring device for realizing the oxidation rate of desulfurization slurry based on an ORP principle, which comprises a measuring tank, a sample tank, a comparison tank, a liquid inlet pipeline, a sample tank PH electrode, a sample tank ORP electrode, a sample tank dissolved oxygen electrode, a sample tank ultrasonic generator, a comparison tank ultrasonic generator, an aeration device, an oxidation fan, a baffle plate, an overflow pipe and an ORP potentiometer. The slurry entering detection device realizes real-time accurate monitoring of the oxidation rate of the slurry in the absorption tower when the sulfur content of the coal and the load of the unit are adjusted and changed, and has guiding significance for the operation adjustment of a subsequent desulfurization system and the improvement of the effective utilization rate of the energy of the oxidation fan.
Description
Technical Field
The utility model relates to the technical field of environment-friendly desulfurization, in particular to an online monitoring device for realizing the oxidation rate of desulfurization slurry based on an ORP principle.
Background
The limestone-gypsum wet method is used as the main flue gas desulfurization technology of the coal-fired boiler, has a series of advantages, and is quite widely applied internationally at present. The oxidation fan has considerable energy-saving potential as an energy consumption user of the desulfurization system.
The main problem of restricting the energy saving of the oxidation blower at present is that the slurry oxidation reaction value of the desulfurization absorption tower is inaccurate and has hysteresis. The conventional slurry oxidation detection mode is chemical periodic sampling test, laboratory analysis data, test results are reported once a day, and a desulfurization operation attendant adjusts the operation mode of an oxidation fan according to the chemical reported slurry oxidation results. The operation mode has long lag time, can not adapt to the rapid change of load and sulfur content, and leads the desulfurization operator to adjust the oxidation air quantity to be full based on experience, thus easily generating two problems: the low air quantity control can cause the deterioration of the quality of the slurry, and the environment-friendly superdischarge accident occurs; the air quantity control is high, so that the power consumption of the oxidation fan is increased, and the energy is not saved.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide an online monitoring device for realizing the oxidation rate of desulfurization slurry based on the ORP principle.
In order to achieve the above object, the present utility model provides the following solutions:
an online monitoring device for realizing the oxidation rate of desulfurization slurry based on the ORP principle is arranged on a desulfurization tower to be monitored, and comprises a measuring tank, a sample tank, a comparison tank, a liquid inlet pipeline, a sample tank pH electrode, a sample tank ORP electrode, a sample tank dissolved oxygen electrode, a comparison tank pH electrode, a comparison tank ORP electrode, a comparison tank dissolved oxygen electrode, a flushing spraying device, a sample tank ultrasonic generator, a comparison tank ultrasonic generator, an aeration device, an oxidation fan, a baffle plate, an overflow pipe and an ORP potentiometer, wherein one end of the liquid inlet pipeline is welded on the side wall of the desulfurization tower, the other end of the liquid inlet pipeline is connected with the measuring tank, the baffle plate divides the measuring tank into the sample tank and the comparison tank, an opening above the side wall of the sample tank and the comparison tank is connected with one end of the overflow pipe, and the other end of the overflow pipe extends into a desulfurization trench; the oxidation blower blows the absorption tower slurry of the comparison tank through the aeration device so as to keep the absorption tower slurry of the comparison tank in a complete oxidation state; the sample tank pH electrode, the sample tank ORP electrode and the sample tank dissolved oxygen electrode are respectively used for measuring the pH value, the ORP value and the DO value of the slurry of the absorption tower in the sample tank; the pH electrode of the comparison tank, the ORP electrode of the comparison tank and the dissolved oxygen electrode of the comparison tank are respectively used for measuring the pH value, the ORP value and the DO value of the slurry of the absorption tower in the complete oxidation state in the comparison tank; the ORP potentiometer is used for converting the measured ORP values of the slurry of the absorption tower in the sample tank and the comparison tank into oxidation rates and sending the oxidation rates to the DCS in real time.
Preferably, the bottom of the measuring groove is conical, the tip of the conical shape is provided with a liquid inlet, and the liquid inlet is communicated with the liquid inlet pipeline; the middle of the measuring groove corresponds to the position of the liquid inlet pipeline and is separated by the partition board, the sample groove and the comparison groove are divided into a left side and a right side, an opening is formed between the bottom end of the partition board and the bottom of the measuring groove, and the bottom end liquid inlet mode is adopted to enable the slurry of the absorption tower to flow into the sample groove and the comparison groove in a split mode.
Preferably, the sample cell pH electrode, the sample cell ORP electrode, and the sample cell dissolved oxygen electrode are disposed within the sample cell, and the comparison cell pH electrode, the comparison cell ORP electrode, and the comparison cell dissolved oxygen electrode are disposed within the comparison cell.
Preferably, an aeration device is further arranged in the comparison tank, and the aeration device is connected with the oxidation fan.
Preferably, the communication cable is further included;
and the electrodes arranged on the sample tank and the comparison tank are connected with a DCS system through the communication cable.
Preferably, the electrode self-flushing device is further included;
the electrode self-flushing device comprises a flushing spray device, and nozzles of the flushing spray device are used for cleaning industrial water sprayed by each electrode in the intermittent period of sampling and measuring.
Preferably, the sample tank ultrasonic generator in the sample tank and the contrast tank ultrasonic generator in the contrast tank are both longitudinally installed.
Preferably, the device also comprises a PLC controller;
the PLC is connected with the flushing spray device, the sample tank ultrasonic generator and the contrast tank ultrasonic generator; under the preset control program of the PLC, the flushing spray device, the sample tank ultrasonic generator and the comparison tank ultrasonic generator automatically clean each electrode in the sample tank and the comparison tank by adopting a method of combining ultrasonic cleaning and industrial water jet cleaning according to set time intervals and flushing time.
According to the specific embodiment provided by the utility model, the utility model discloses the following technical effects:
the utility model provides an online monitoring device for realizing the oxidation rate of desulfurization slurry based on an ORP principle, which can collect the values measured by measuring electrodes on a sample tank and a comparison tank, enables the desulfurization absorption tower slurry to enter the online monitoring device by means of the liquid level height difference of the desulfurization absorption tower, and realizes online accurate monitoring of the oxidation rate of the desulfurization absorption tower slurry by converting ORP potential values into the oxidation rate of the absorption tower slurry through an ORP potentiometer under different oxidation degrees of the slurry in the comparison tank and the sample tank.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an on-line monitoring device for the oxidation rate of desulfurization slurry based on the ORP principle, which is provided by an embodiment of the utility model;
FIG. 2 is a block diagram of an online monitoring device for the oxidation rate of desulfurization slurry based on the ORP principle, which is provided by an embodiment of the utility model.
Reference numerals illustrate:
1-measuring tank, 2-sample tank, 3-comparison tank, 4-liquid inlet pipeline, 5-PLC controller, 6Y-sample tank pH electrode, 7Y-sample tank ORP electrode, 8Y-sample tank dissolved oxygen electrode, 6D-comparison tank pH electrode, 7D comparison tank ORP electrode, 8D comparison tank dissolved oxygen electrode, 9-flushing spray device, 10Y-sample tank ultrasonic generator, 10D-comparison tank ultrasonic generator, 11-aeration device, 12-oxidation fan, 13-communication cable, 14-baffle, 15-overflow pipe, 16-ORP potentiometer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
The terms "first," "second," "third," and "fourth" and the like in the description and in the claims and drawings are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, inclusion of a list of steps, processes, methods, etc. is not limited to the listed steps but may alternatively include steps not listed or may alternatively include other steps inherent to such processes, methods, products, or apparatus.
The utility model aims to provide an on-line monitoring device for the oxidation rate of desulfurization slurry based on the ORP principle, which can realize on-line accurate monitoring of the oxidation rate of the desulfurization absorption tower slurry.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1 and 2, the online monitoring device for the oxidation rate of the desulfurization slurry based on the ORP principle comprises a measuring tank (1), a sample tank (2), a comparison tank (3), a liquid inlet pipeline (4), a PLC (programmable logic controller) (5), a sample tank pH electrode (6Y), a sample tank 0RP electrode (7Y), a sample tank dissolved oxygen electrode (8Y), a comparison tank pH electrode (6D), a comparison tank 0RP electrode (7D), a comparison tank dissolved oxygen electrode (8D), a flushing spraying device (9), a sample tank ultrasonic generator (10Y), a comparison tank ultrasonic generator (10D), an aeration device (11), an oxidation fan (12), a communication cable (13), a baffle plate (14), an overflow pipe (15) and an ORP potentiometer (16).
Optionally, one end of the liquid inlet pipeline is welded on the side wall of the desulfurizing tower, the other end of the liquid inlet pipeline is connected with the measuring groove, and a butterfly valve for controlling flow is arranged on the pipeline.
Further, the ORP potentiometer collects potential values measured by the ORP electrodes on the sample tank and the comparison tank through the communication cable, converts the potential values into the oxidation rate of desulfurization slurry, and feeds back the results to the desulfurization DCS.
Specifically, the on-line monitoring device for the oxidation rate of the desulfurization slurry is arranged in an area, which is not affected by the operation of other equipment, on the basis of the ORP principle, of a trench of an absorption tower, a liquid inlet pipeline (4) is connected with the side wall of the absorption tower, so that the slurry enters a measuring tank (1) and respectively enters a sample tank (2) and a comparison tank (3) of the device through a partition plate (14), and the slurry flows into the trench through an overflow pipe (15) after filling the sample tank and the comparison tank, so that the circulation of the slurry in the device is completed.
As shown in fig. 2, the bottom of the measuring groove (1) is conical, and the conical tip is provided with a liquid inlet communicated with the liquid inlet pipeline (4); the middle of the measuring groove (1) is divided into a sample groove (2) and a comparison groove (3) which are arranged in parallel left and right by a partition board at the position corresponding to the liquid inlet pipeline (4), and an opening is formed between the bottom end of the partition board and the bottom of the measuring groove (1). The slurry of the absorption tower adopted by the sampling point of the desulfurizing tower enters the measuring tank (1) from the bottom through the liquid inlet pipeline (4), so that the slurry of the absorption tower is shunted into the sample tank (2) and the comparison tank (3) for detection. Install sample tank pH electrode (6Y), sample tank ORP electrode (7Y) and sample tank dissolved oxygen electrode (8Y) in sample tank (2), install contrast tank pH electrode (6D) in contrast tank (3), contrast tank ORP electrode (7D) and contrast tank dissolved oxygen electrode (8D), still arrange aeration equipment (11) in contrast tank (2), aeration equipment (11) link to each other with oxidation fan (12), oxidation fan (12) are carried out the blast air to the thick liquid of contrast tank (3) through aeration equipment (11), make the thick liquid of contrast tank (3) remain in complete oxidation state. At this time, the pH value, the ORP value and the DO value of the absorption tower slurry in the complete oxidation state in the comparison tank (3) are respectively measured by the pH electrode (6D) of the comparison tank, the ORP electrode (7D) of the comparison tank and the dissolved oxygen electrode (8D) of the comparison tank, the pH value, the ORP value and the DO value of the absorption tower slurry in the sample tank (2) are respectively measured by the pH electrode (6Y) of the sample tank, the ORP electrode (7Y) of the sample tank and the dissolved oxygen electrode (8Y) of the sample tank, and the potential deviation of the ORP of the absorption tower slurry in the sample tank (2) and the ORP value of the absorption tower slurry ORP in the comparison tank (3) is converted into the slurry oxidation rate by the sample tank (2) and the comparison tank (3). And the ORP potentiometer data are fed back to the DCS system, and an operator adjusts the air supply quantity of the oxidation fan manually or automatically according to the oxidation rate value of the slurry, so that the slurry in the absorption tower is maintained at the full oxidation state level. The signal deviation of the absorption tower slurry in the sample tank (2) and the absorption tower slurry in the comparison tank (3) in the complete oxidation state is measured through the sample tank (2) and the comparison tank (3), so that the purpose of accurately controlling the oxidation of the absorption tower slurry is achieved, the energy consumption of an oxidation fan (12) is reduced by 30%, and the COD of the wastewater is reduced to below 20 mg/L.
Electrode self-flushing equipment is arranged in the sample tank (2) and the comparison tank (3), the electrode self-flushing equipment comprises a flushing spray device (9), the flushing spray device (9) is arranged near the electrode, industrial water is sprayed to each electrode for cleaning in the intermittent period of sampling and measurement, and the flushing spray device (9) is controlled by a program of the PLC (5). Meanwhile, the PLC (5) controls the ultrasonic generator (10Y) of the sample tank and the ultrasonic generator (10D) of the comparison tank to respectively emit ultrasonic waves, and the ultrasonic cleaning and the industrial water jet cleaning combined method is adopted to automatically clean each electrode.
As an alternative implementation manner, the PLC controller is provided with a display screen.
The beneficial effects of the utility model are as follows:
according to the utility model, the numerical values measured by the measuring electrodes on the sample tank and the comparison tank can be collected, the slurry in the desulfurization absorption tower enters the online monitoring device by means of the liquid level height difference of the desulfurization absorption tower, the online ORP, dissolved oxygen and pH value measuring device is arranged on the online monitoring device, and the ORP potential value is converted into the oxidation rate of the slurry in the absorption tower by the ORP potentiometer under different oxidation degrees of the slurry in the comparison tank and the sample tank, so that the online accurate monitoring of the oxidation rate of the slurry in the desulfurization absorption tower is realized.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the system disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to assist in understanding the methods of the present utility model and the core ideas thereof; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (6)
1. The device is arranged on a desulfurizing tower to be monitored and comprises a measuring tank, a sample tank, a comparison tank, a liquid inlet pipeline, a sample tank pH electrode, a sample tank ORP electrode, a sample tank dissolved oxygen electrode, a comparison tank pH electrode, a comparison tank ORP electrode, a comparison tank dissolved oxygen electrode, a flushing spraying device, a sample tank ultrasonic generator, a comparison tank ultrasonic generator, an aeration device, an oxidation fan, a baffle plate, an overflow pipe and an ORP potentiometer, and is characterized in that one end of the liquid inlet pipeline is welded on the side wall of the desulfurizing tower, the other end of the liquid inlet pipeline is connected with the measuring tank, the baffle plate divides the measuring tank into the sample tank and the comparison tank, openings above the side walls of the sample tank and the comparison tank are connected with one end of the overflow pipe, and the other end of the overflow pipe extends deep into a desulfurizing trench; the oxidation blower blows the absorption tower slurry of the comparison tank through the aeration device so as to keep the absorption tower slurry of the comparison tank in a complete oxidation state; the sample tank pH electrode, the sample tank ORP electrode and the sample tank dissolved oxygen electrode are respectively used for measuring the pH value, the ORP value and the DO value of the slurry of the absorption tower in the sample tank; the pH electrode of the comparison tank, the ORP electrode of the comparison tank and the dissolved oxygen electrode of the comparison tank are respectively used for measuring the pH value, the ORP value and the DO value of the slurry of the absorption tower in the complete oxidation state in the comparison tank; the ORP potentiometer is used for converting the measured ORP values of the slurry of the absorption tower in the sample tank and the comparison tank into an oxidation rate and sending the oxidation rate to the DCS in real time;
the electrode self-flushing device is also included;
the sample tank and the comparison tank are internally provided with electrode self-flushing equipment, the electrode self-flushing equipment comprises a flushing spray device, and in the intermittent period of sampling and measurement, the nozzles of the flushing spray device are used for cleaning the industrial water sprayed by each electrode;
the system also comprises a PLC controller;
the PLC is connected with the flushing spray device, the sample tank ultrasonic generator and the contrast tank ultrasonic generator; under the preset control program of the PLC, the flushing spray device, the sample tank ultrasonic generator and the comparison tank ultrasonic generator automatically clean each electrode in the sample tank and the comparison tank by adopting a method of combining ultrasonic cleaning and industrial water jet cleaning according to set time intervals and flushing time.
2. The online monitoring device for the oxidation rate of the desulfurization slurry based on the ORP principle, which is disclosed in claim 1, is characterized in that the bottom of the measuring tank is conical, the tip of the conical shape is provided with a liquid inlet, and the liquid inlet is communicated with the liquid inlet pipeline; the middle of the measuring groove corresponds to the position of the liquid inlet pipeline and is separated by the partition board, the sample groove and the comparison groove are divided into a left side and a right side, an opening is formed between the bottom end of the partition board and the bottom of the measuring groove, and the bottom end liquid inlet mode is adopted to enable the slurry of the absorption tower to flow into the sample groove and the comparison groove in a split mode.
3. The online monitoring device for realizing the oxidation rate of desulfurization slurry based on the ORP principle according to claim 1, wherein the sample tank pH electrode, the sample tank ORP electrode, and the sample tank dissolved oxygen electrode are disposed in the sample tank, and the comparison tank pH electrode, the comparison tank ORP electrode, and the comparison tank dissolved oxygen electrode are disposed in the comparison tank.
4. The online monitoring device for the oxidation rate of the desulfurization slurry based on the ORP principle according to claim 1, wherein an aeration device is further arranged in the comparison tank and is connected with an oxidation fan; the aeration device is used for oxidizing the slurry in the comparison tank.
5. The online monitoring device for the oxidation rate of the desulfurization slurry based on the ORP principle according to claim 1, which is characterized by further comprising a communication cable;
and the electrodes arranged on the sample tank and the comparison tank are connected with a DCS system through the communication cable.
6. The device for realizing on-line monitoring of the oxidation rate of the desulfurization slurry based on the ORP principle according to claim 1, wherein the sample tank ultrasonic generator in the sample tank and the contrast tank ultrasonic generator in the contrast tank are longitudinally installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320621904.0U CN220137060U (en) | 2023-03-27 | 2023-03-27 | Device for realizing on-line monitoring of oxidation rate of desulfurization slurry based on ORP principle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320621904.0U CN220137060U (en) | 2023-03-27 | 2023-03-27 | Device for realizing on-line monitoring of oxidation rate of desulfurization slurry based on ORP principle |
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| CN220137060U true CN220137060U (en) | 2023-12-05 |
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| CN202320621904.0U Active CN220137060U (en) | 2023-03-27 | 2023-03-27 | Device for realizing on-line monitoring of oxidation rate of desulfurization slurry based on ORP principle |
Country Status (1)
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| CN (1) | CN220137060U (en) |
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