CN216771626U - Device for online sampling and measuring sulfite of desulfurized slurry - Google Patents
Device for online sampling and measuring sulfite of desulfurized slurry Download PDFInfo
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- CN216771626U CN216771626U CN202121134824.XU CN202121134824U CN216771626U CN 216771626 U CN216771626 U CN 216771626U CN 202121134824 U CN202121134824 U CN 202121134824U CN 216771626 U CN216771626 U CN 216771626U
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Abstract
The utility model discloses a device for online sampling and measuring sulfite of desulfurization slurry, which comprises a desulfurization slurry circulating pipeline and a controller, wherein one side of the desulfurization slurry circulating pipeline is fixedly connected with a pipeline I, and a water pump and a solenoid valve I are fixedly connected to the pipeline I from left to right in sequenceThe one end fixedly connected with apron that desulfurization thick liquid circulating line was kept away from to pipeline one, the bottom fixedly connected with filtrate section of thick bamboo of apron, fixedly connected with filter screen in the filtrate section of thick bamboo, the bottom fixedly connected with pipeline two of filtrate section of thick bamboo, fixedly connected with solenoid valve two on the pipeline two, the bottom fixedly connected with of pipeline two deposits the cistern, the bottom fixedly connected with current potential measuring device who deposits the cistern, on the current potential measuring device respectively fixedly connected with I2Standard solution adding device and Na2S2O3And a standard solution adding device. The utility model has the advantages of scientific and reasonable structure, convenient sampling, good detection effect, low manufacturing cost and suitability for popularization and use.
Description
Technical Field
The utility model relates to an online sampling device for desulfurization slurry, in particular to a device for online sampling and measuring sulfite of desulfurization slurry.
Background
The desulfurizing tower of power plant need use the desulfurization thick liquid at the desulfurization process in-process, and whether the mixed liquid of desulfurization thick liquid accords with the standard, can directly influence the desulfurization effect of desulfurizing tower, consequently, need carry out online measuring at any time to the desulfurization thick liquid, avoids influencing the effect of desulfurizing tower desulfurization because of the desulfurization thick liquid is unqualified, for this reason, we propose a device of online sampling measurement sulphite of desulfurization thick liquid.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides a reasonably designed device for online sampling and measuring sulfite of desulfurization slurry, which can perform online detection on the desulfurization slurry at any time when a desulfurization tower works and avoid the influence on the desulfurization effect of the desulfurization tower due to unqualified desulfurization slurry.
The technical scheme adopted by the utility model for solving the problems is as follows: the utility model provides a device of online sampling measurement sulphite of desulfurization thick liquid, characterized by, including desulfurization thick liquid circulating line and controller, its characterized in that: one side fixedly connected with pipeline one of desulfurization thick liquid circulating line, from left to right fixedly connected with water pump and solenoid valve one in proper order on the pipeline one, the one end fixedly connected with apron of desulfurization thick liquid circulating line is kept away from to pipeline one, the bottom fixedly connected with filtrate section of thick bamboo of apron, fixedly connected with filter screen in the filtrate section of thick bamboo, the bottom fixedly connected with pipeline two of filtrate section of thick bamboo, fixedly connected with solenoid valve two on the pipeline two, the bottom fixedly connected with of pipeline two deposits the cistern, the bottom fixedly connected with potential measurement device who deposits the cistern, on the potential measurement device respectively fixedly connected with I2Standard solution adding device and Na2S2O3A standard solution adding device;
the potential measuring device comprises a liquid inlet pipeline, the top end of the liquid inlet pipeline is fixedly connected to the bottom end of the liquid storage tank, a third electromagnetic valve is fixedly connected to the liquid inlet pipeline, a measuring cylinder is fixedly connected to the bottom end of the liquid inlet pipeline, a motor is fixedly connected to the bottom end of the measuring cylinder, a rotating shaft is rotatably connected to the upper end of the motor and penetrates into the measuring cylinder, a plurality of stirring rods are uniformly and fixedly connected to the outer wall of the rotating shaft, a potential measuring probe is fixedly connected to the bottom end of the inner wall of the measuring cylinder, a liquid discharge pipe is fixedly connected to the bottom end of the outer wall of one side of the measuring cylinder, and a fourth electromagnetic valve is fixedly connected to the liquid discharge pipe;
said I2The standard solution adding device comprises2Bottle for storing liquid, said I2One side bottom end of the liquid storage bottle is fixedly connected with a first liquid outlet pipe, and the first liquid outlet pipe is close to I2One end of the liquid storage bottle is fixedly connected with a fifth electromagnetic valve,a branch pipe I is fixedly connected to the liquid outlet pipe I;
the Na is2S2O3The standard solution adding device comprises Na2S2O3A liquid storage bottle, the Na2S2O3One side bottom end of the liquid storage bottle is fixedly connected with a second liquid outlet pipe, and the second liquid outlet pipe is close to Na2S2O3One end of the liquid storage bottle is fixedly connected with a sixth electromagnetic valve, and a branch pipe II is fixedly connected to the second liquid outlet pipe.
Furthermore, the potential measuring device is provided with more than two groups, the branch pipe I is fixedly connected with the upper end of the measuring cylinder, and the branch pipe II is fixedly connected with the upper end of the measuring cylinder.
Furthermore, a clear water pipe is fixedly connected to the cover plate, and a solenoid valve seventh is fixedly connected to the clear water pipe.
Furthermore, the water pump, the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the motor, the potential measuring probe, the fourth electromagnetic valve, the fifth electromagnetic valve, the sixth electromagnetic valve and the seventh electromagnetic valve are respectively electrically connected with the controller.
Compared with the prior art, the utility model has the following advantages and effects: the utility model adopts a new structure, can extract the desulfurization slurry on line and passes through I2Standard solution adding device and Na2S2O3A standard solution adding device and a plurality of groups of potential measuring devices, which can add I to the extracted desulfurization slurry2Standard solution and Na2S2O3The standard solution is stirred, and the potential of a plurality of groups of desulfurization slurry can be detected through the potential measuring probe, so that the qualification rate of the desulfurization slurry can be detected, and the desulfurization process of the desulfurization tower can be smoothly carried out.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the electric potential measuring device of the present invention;
FIG. 3 shows the present inventionIn (II)2The structure schematic diagram of the standard solution adding device;
FIG. 4 shows Na in the present invention2S2O3The structure of the standard liquid adding device is shown schematically.
In the figure: desulfurization slurry circulating pipeline 1, first pipeline 2, water pump 3, first electromagnetic valve 4, cover plate 5, filtrate cylinder 6, filter screen 7, second pipeline 8, second electromagnetic valve 9, liquid storage tank 10, potential measuring device 11, liquid inlet pipeline 1101, third electromagnetic valve 1102, measuring cylinder 1103, motor 1104, rotating shaft 1105, stirring rod 1106, potential measuring probe 1107, liquid discharge pipe 1108, fourth electromagnetic valve 1109, I2Standard solution adding device 12, I2 Liquid storage bottle 1201, liquid outlet pipe I1202, electromagnetic valve five 1203, branch pipe I1204 and Na2S2O3Standard solution adding device 13 and Na2S2O3The liquid storage bottle 1301, the liquid outlet pipe II 1302, the electromagnetic valve six 1303, the branch pipe II 1304, the controller 14, the clear water pipe 15 and the electromagnetic valve seven 16.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Examples are given.
Referring to fig. 1 to 4, in this embodiment, a device for online sampling and measuring sulfite by using desulfurized slurry includes a desulfurized slurry circulating pipeline 1 and a controller 14, the controller 14 is an SC200 general controller and can control the whole device, a first pipeline 2 is fixedly connected to one side of the desulfurized slurry circulating pipeline 1, a water pump 3 and a first electromagnetic valve 4 are fixedly connected to the first pipeline 2 from left to right in sequence, the water pump 3 can extract desulfurized slurry from the desulfurized slurry circulating pipeline 1, a cover plate 5 is fixedly connected to one end of the first pipeline 2 away from the desulfurized slurry circulating pipeline 1, a filtrate cylinder 6 is fixedly connected to the bottom end of the cover plate 5 through bolts, a filter screen 7 is fixedly connected to the filtrate cylinder 6 through bolts, the filter screen 7 can filter desulfurized slurry, a second pipeline 8 is fixedly connected to the bottom end of the filtrate cylinder 6, and a second electromagnetic valve 9 is fixedly connected to the second pipeline 8, the bottom end of the second pipeline 8 is fixedly connected with a liquid storage tank 10, and the bottom end of the liquid storage tank 10 is fixedFixedly connected with a potential measuring device 11, wherein I is fixedly connected to the potential measuring device 11 respectively2Standard solution adding device 12 and Na2S2O3A standard solution adding device 13;
the electric potential measuring device 11 comprises a liquid inlet pipeline 1101, the top end of the liquid inlet pipeline 1101 is fixedly connected to the bottom end of the liquid storage tank 10, a third electromagnetic valve 1102 is fixedly connected to the liquid inlet pipeline 1101, a measuring cylinder 1103 is fixedly connected to the bottom end of the liquid inlet pipeline 1101, a motor 1104 is fixedly connected to the bottom end of the measuring cylinder 1103, a rotating shaft 1105 is rotatably connected to the upper end of the motor 1104 and penetrates through the measuring cylinder 1103, a plurality of stirring rods 1106 are uniformly and fixedly connected to the outer wall of the rotating shaft 1105, an electric potential measuring probe 1107 is fixedly connected to the bottom end of the inner wall of the measuring cylinder 1103 and can measure mixed liquid in the measuring cylinder 1103, a liquid discharge pipe 1108 is fixedly connected to the bottom end of the outer wall of one side of the measuring cylinder 1103, a fourth electromagnetic valve 1109 is fixedly connected to the liquid discharge pipe 1108, and liquid in the measuring cylinder 1103 can be conveniently discharged;
I2the standard solution adding device 12 comprises I2 Liquid storage bottle 1201, I2The bottom end of one side of the liquid storage bottle 1201 is fixedly connected with a first liquid outlet pipe 1202, and the first liquid outlet pipe 1202 is close to I2One end of the liquid storage bottle 1201 is fixedly connected with an electromagnetic valve five 1203, and a liquid outlet pipe one 1202 is fixedly connected with a branch pipe one 1204, I2The standard solution adding device 12 can add I2Adding the standard solution into the measuring cylinder 1103;
Na2S2O3the standard solution adding device 13 comprises Na2S2O3 Liquid storage bottle 1301, Na2S2O3The bottom end of one side of the liquid storage bottle 1301 is fixedly connected with a second liquid outlet pipe 1302, and the second liquid outlet pipe 1302 is close to Na2S2O3One end of the liquid storage bottle 1301 is fixedly connected with a six electromagnetic valve 1303, and a second liquid outlet pipe 1302 is fixedly connected with a second branch pipe 1304 and Na2S2O3The standard solution adding device 13 can add Na2S2O3The standard liquid is added to the measuring cylinder 1103.
Specifically, the potential measuring devices 11 are at least provided with more than two groups, and the potential measuring devices 11 can be arranged in multiple groupsFor measuring parallel samples or measuring in turn; the branch pipe I1204 is fixedly connected with the upper end of the measuring cylinder 1103, so that I is facilitated2I in the liquid storage bottle 12012The standard liquid enters the measuring cylinder 1103, and the branch pipe two 1304 is fixedly connected with the upper end of the measuring cylinder 1103, so that Na is conveniently carried out2S2O3Na in the liquid storage bottle 13012S2O3The standard liquid enters the measuring cylinder 1103; a clear water pipe 15 is fixedly connected to the cover plate 5, a solenoid valve seven 16 is fixedly connected to the clear water pipe 15, and the clear water pipe 15 is arranged to facilitate the cleaning of the whole device by clear water; the water pump 3, the first electromagnetic valve 4, the second electromagnetic valve 9, the third electromagnetic valve 1102, the motor 1104, the potential measuring probe 1107, the fourth electromagnetic valve 1109, the fifth electromagnetic valve 1203, the sixth electromagnetic valve 1303 and the seventh electromagnetic valve 16 are respectively electrically connected with the controller 14, the controller 14 is an SC200 universal controller, the existing mature technology is adopted, and the operation of the whole device can be conveniently controlled.
During operation, water pump 3 opens, extracts the desulfurization thick liquid in following desulfurization thick liquid circulating line 1, and the desulfurization thick liquid passes through in pipeline one 2 enters into a filtrating section of thick bamboo 6, and the desulfurization thick liquid enters into in pipeline two 8 behind filter screen 7, enters into through pipeline two 8 and deposits the liquid groove 10 and preserve, opens solenoid valve five 1203 on drain pipe one 1202 again, lets I2I in the liquid storage bottle 12012Marking fluid (previously added to I)2In the liquid storage bottle 1201), the desulfurization slurry in the liquid storage tank 10 enters the measuring cylinder 1103, then the electromagnetic valve III 1102 on the liquid inlet pipeline 1101 is opened, the desulfurization slurry in the liquid storage tank 10 enters the measuring cylinder 1103, then the motor 1104 is opened, the motor 1104 drives the rotating shaft 1105 and the stirring rod 1106 to rotate, and the stirring rod 1106 measures the desulfurization slurry and the I slurry in the cylinder 11032Stirring the standard solution, and then opening an electromagnetic valve six 1303 and Na on a liquid outlet pipe two 13022S2O3Na in the liquid storage bottle 13012S2O3Marking solution (added to Na in advance)2S2O3In the liquid storage bottle 1301) enters the measuring cylinder 1103 and Na2S2O3Standard solution and desulfurized slurry and I2The mixture of the standard solution reacts from Na2S2O3Na in the liquid storage bottle 1301 entering the measuring cylinder 11032S2O3Marking fluid ofPotentiometric measurements to indicate titration endpoint, Na depletion2S2O3The data of the standard liquid is uploaded to the controller 14 through the potential measuring probe 1107, a plurality of groups of potential measuring devices 11 are used for measuring parallel samples or measuring in turn, after the measurement is finished, the electromagnetic valve II 9, the electromagnetic valve III 1102, the motor 1104 and the electromagnetic valve IV 1109 are opened, then the electromagnetic valve VII 16 on the clean water pipe 15 is opened, the clean water enters the filtrate cylinder 6, the pipeline II 8, the liquid storage tank 10 and the potential measuring device 11 from the clean water pipe 15 and finally flows out from the liquid discharge pipe 1108, and the clean water can clean the devices passing through so as to be reused.
Those not described in detail in this specification are well within the skill of the art.
Although the present invention has been described with reference to the above embodiments, it should be understood that the scope of the present invention is not limited thereto, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the present invention.
Claims (2)
1. The utility model provides a device of online sampling measurement sulphite of desulfurization thick liquid, characterized by, includes desulfurization thick liquid circulating line (1) and controller (14), its characterized in that: one side fixedly connected with pipeline (2) of desulfurization slurry circulating line (1), from left to right on pipeline (2) fixedly connected with water pump (3) and solenoid valve (4) in proper order, one end fixedly connected with apron (5) of desulfurization slurry circulating line (1) are kept away from in pipeline (2), the bottom fixedly connected with filtrate section of thick bamboo (6) of apron (5), fixedly connected with filter screen (7) in filtrate section of thick bamboo (6), the bottom fixedly connected with pipeline two (8) of filtrate section of thick bamboo (6), fixedly connected with solenoid valve two (9) on pipeline two (8), the bottom fixedly connected with of pipeline two (8) deposits cistern (10), the bottom fixedly connected with electric potential measuring device (11) of depositing cistern (10), on electric potential measuring device (11) respectively solid solution tank (9)Fixedly connected with I2A standard solution adding device (12) and Na2S2O3A standard solution adding device (13);
the potential measuring device (11) comprises a liquid inlet pipeline (1101), the top end of the liquid inlet pipeline (1101) is fixedly connected with the bottom end of the liquid storage tank (10), a third electromagnetic valve (1102) is fixedly connected to the liquid inlet pipeline (1101), a measuring cylinder (1103) is fixedly connected to the bottom end of the liquid inlet pipeline (1101), the bottom end of the measuring cylinder (1103) is fixedly connected with a motor (1104), the upper end of the motor (1104) is rotatably connected with a rotating shaft (1105), the rotating shaft (1105) penetrates into the measuring cylinder (1103), and the outer wall of the rotating shaft (1105) is evenly and fixedly connected with a plurality of stirring rods (1106), the bottom end of the inner wall of the measuring cylinder (1103) is fixedly connected with a potential measuring probe (1107), the bottom end of the outer wall of one side of the measuring cylinder (1103) is fixedly connected with a liquid discharge pipe (1108), and the liquid discharge pipe (1108) is fixedly connected with a four electromagnetic valve (1109);
said I2The standard solution adding device (12) comprises I2A liquid storage bottle (1201), I2The bottom end of one side of the liquid storage bottle (1201) is fixedly connected with a first liquid outlet pipe (1202), and the first liquid outlet pipe (1202) is close to I2One end of the liquid storage bottle (1201) is fixedly connected with a solenoid valve five (1203), and the liquid outlet pipe one (1202) is fixedly connected with a branch pipe one (1204);
the Na is2S2O3The standard solution adding device (13) comprises Na2S2O3A liquid storage bottle (1301), the Na2S2O3The bottom end of one side of the liquid storage bottle (1301) is fixedly connected with a second liquid outlet pipe (1302), and the second liquid outlet pipe (1302) is close to Na2S2O3One end of the liquid storage bottle (1301) is fixedly connected with a six electromagnetic valve (1303), and the liquid outlet pipe II (1302) is fixedly connected with a branch pipe II (1304);
the potential measuring device (11) is provided with more than two groups, the branch pipe I (1204) is fixedly connected with the upper end of the measuring cylinder (1103), and the branch pipe II (1304) is fixedly connected with the upper end of the measuring cylinder (1103);
the cover plate (5) is fixedly connected with a clean water pipe (15), and the clean water pipe (15) is fixedly connected with a solenoid valve (16).
2. The device for online sampling and measuring sulfite of desulfurized slurry according to claim 1, wherein the water pump (3), the first solenoid valve (4), the second solenoid valve (9), the third solenoid valve (1102), the motor (1104), the potential measuring probe (1107), the fourth solenoid valve (1109), the fifth solenoid valve (1203), the sixth solenoid valve (1303) and the seventh solenoid valve (16) are respectively electrically connected with the controller (14).
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CN202121134824.XU CN216771626U (en) | 2021-05-25 | 2021-05-25 | Device for online sampling and measuring sulfite of desulfurized slurry |
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CN202121134824.XU CN216771626U (en) | 2021-05-25 | 2021-05-25 | Device for online sampling and measuring sulfite of desulfurized slurry |
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