CN214622182U - Liquid level and density integrated measurement system for slurry of wet desulphurization system - Google Patents
Liquid level and density integrated measurement system for slurry of wet desulphurization system Download PDFInfo
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- CN214622182U CN214622182U CN202120799905.5U CN202120799905U CN214622182U CN 214622182 U CN214622182 U CN 214622182U CN 202120799905 U CN202120799905 U CN 202120799905U CN 214622182 U CN214622182 U CN 214622182U
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Abstract
The utility model discloses a liquid level density integration measurement system for wet flue gas desulfurization system thick liquid, the utility model relates to a chemical production technical field, including the absorption tower, one side of absorption tower is equipped with measures a section of thick bamboo, measures and is equipped with four pressure transmitters through violently managing the intercommunication between a section of thick bamboo and the absorption tower, measures one side of a section of thick bamboo and is equipped with four pressure transmitter, places from top to bottom four pressure transmitters, measures four high pressure of one side fixed mounting of a section of thick bamboo and gets the pipe, and the below that the pipe was got to the high pressure is equipped with the low pressure and gets the pipe. The utility model discloses can reduce the running cost, the field maintenance of being convenient for has optimized current differential pressure formula density measurement, is about to the differential densimeter change for four diaphragm type pressure transmitter and installs respectively in the different elevations in absorption tower thick liquid pond, makes to record pressure differential between two liang, selects correct density after each records data contrast, and nozzle stub department installs the sparge water additional before the diaphragm flange, regularly connects the liquid membrane piece to the changer and washes to avoid being blockked up by the thick liquid.
Description
Technical Field
The utility model relates to a chemical production technical field specifically is a liquid level density integration measurement system for wet flue gas desulfurization system thick liquid.
Background
As wet desulfurization becomes the mainstream of domestic desulfurization, slurry density, which is one of the most important parameters of wet desulfurization, also becomes a main cause of the inconsistency of the efficiency of each desulfurization system due to the measurement accuracy and the complex form of each measurement method. The measuring modes include radioactive densitometer, mass flowmeter, differential pressure density measurement, tuning fork densitometer, floating ball density measurement, ultrasonic density measurement and the like. The current mainstream measurement mode comprises a differential pressure method: the measuring probe is easy to block, and the measuring precision is low; radiation absorptiometry: the inability to distinguish between suspended and dissolved solids; mass flow meter: high flow rate is required, the abrasion of a measuring pipeline and equipment is serious, the reliability is poor, the performance is unstable, spare parts are frequently replaced, and the maintenance cost is extremely high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a liquid level density integration measurement system for wet flue gas desulfurization system thick liquid to it is not enough to solve prior art.
In order to achieve the above object, the utility model provides a following technical scheme: the absorption tower comprises an absorption tower, a measuring cylinder is arranged on one side of the absorption tower, the measuring cylinder is communicated with the absorption tower through a transverse pipe, four pressure transmitters are arranged on one side of the measuring cylinder, the four pressure transmitters are arranged up and down, four high pressure sampling pipes are fixedly installed on one side of the measuring cylinder, a low pressure sampling pipe is arranged below the high pressure sampling pipes, the high pressure sampling pipes and the low pressure sampling pipes are communicated with the inside of the measuring cylinder, one end of each high pressure sampling pipe is fixedly connected with a negative pressure chamber flange ball valve, connecting pipes are arranged on the upper side and the lower side of one side of each pressure transmitter, the upper connecting pipe is communicated with the corresponding negative pressure chamber flange ball valve through a negative pressure chamber connecting diaphragm flange, the pressure transmitters are connected with the corresponding connecting pipes through control valves, one end of each low pressure sampling pipe is fixedly connected with a positive pressure chamber flange ball valve, one end of each positive pressure chamber flange ball valve is connected with the corresponding lower connecting pipe through a positive pressure chamber connecting diaphragm flange, the lower end of the measuring cylinder is fixedly provided with a sewage pipeline which is communicated with the inside of the measuring cylinder, and the upper end of the sewage pipeline is fixedly provided with a sewage valve.
According to the integrated liquid level and density measuring system for the slurry of the wet desulphurization system, the overflow pipe is fixedly arranged at the upper end of the other side of the measuring cylinder.
The integrated liquid level and density measuring system for the slurry of the wet desulphurization system,
the pressure transmitter as described above is a diaphragm type pressure transmitter.
According to the integrated liquid level and density measurement system for the slurry of the wet desulphurization system, the slurry inlet valve is fixedly installed on one side of the transverse pipe, the flushing pipe is arranged on one side of the slurry inlet valve, the upper end of the flushing pipe is communicated with the middle part of the transverse pipe, and the flushing valve is fixedly installed on the upper end of the flushing pipe.
The utility model has the advantages that: the utility model discloses can reduce the running cost, the field maintenance of being convenient for has optimized current differential pressure formula density measurement, is about to the differential densimeter change for four diaphragm type pressure transmitter and installs respectively in the different elevations in absorption tower thick liquid pond, makes to record pressure differential between two liang, selects correct density after each records data contrast, and nozzle stub department installs the sparge water additional before the diaphragm flange, regularly connects the liquid membrane piece to the changer and washes to avoid being blockked up by the thick liquid.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic view of the overall structure of the present invention.
Reference numerals: 1-absorption tower, 2-measuring cylinder, 3-horizontal pipe, 4-pressure transmitter, 5-high pressure pipe, 6-low pressure pipe, 7-negative pressure chamber flange ball valve, 8-connecting pipe, 9-negative pressure chamber connecting diaphragm flange, 10-positive pressure chamber flange ball valve, 11-positive pressure chamber connecting diaphragm flange, 12-sewage discharge pipeline, 13-sewage discharge valve, 14-slurry inlet valve, 15-flushing pipe and 16-flushing valve.
Detailed Description
As shown in fig. 1, the present embodiment specifically discloses a liquid level density integrated measurement system for a wet desulphurization system slurry, which comprises an absorption tower 1, a measuring cylinder 2 is arranged on one side of the absorption tower 1, the measuring cylinder 2 is communicated with the absorption tower 1 through a transverse pipe 3, four pressure transmitters 4 are arranged on one side of the measuring cylinder 2, the four pressure transmitters 4 are placed up and down, four high pressure sampling pipes 5 are fixedly installed on one side of the measuring cylinder 2, a low pressure sampling pipe 6 is arranged below the high pressure sampling pipes 5, the high pressure sampling pipes 5 and the low pressure sampling pipes 6 are both communicated with the inside of the measuring cylinder 2, one end of the high pressure sampling pipes 5 is fixedly connected with a negative pressure chamber flange ball valve 7, connecting pipes 8 are arranged on both the upper side and the lower side of one side of each pressure transmitter 4, the upper connecting pipe 8 is communicated with a corresponding negative pressure chamber flange ball valve 7 through a negative pressure chamber connecting diaphragm flange 9, the pressure transmitters 4 are connected with a corresponding connecting pipe 8 through a control valve, one end fixedly connected with positive pressure chamber flange ball valve 10 of low pressure pipe 6, the one end of positive pressure chamber flange ball valve 10 is connected through positive pressure chamber connection diaphragm flange 11 with corresponding connecting pipe 8 of below, and the lower extreme fixed mounting sewage pipes 12 of measuring section of thick bamboo 2, and sewage pipes 12 communicates with each other with measuring section of thick bamboo 2 is inside, and the upper end fixed mounting blowoff valve 13 of sewage pipes 12. The utility model discloses can reduce the running cost, the field maintenance of being convenient for has optimized current differential pressure formula density measurement, is about to the differential densimeter change for four diaphragm type pressure transmitter and installs respectively in the different elevations in absorption tower thick liquid pond, makes to record pressure differential between two liang, selects correct density after each records data contrast, and nozzle stub department installs the sparge water additional before the diaphragm flange, regularly connects the liquid membrane piece to the changer and washes to avoid being blockked up by the thick liquid. When the device is used, the slurry inlet valve 14 is opened, slurry in the absorption tower 1 enters the measuring cylinder 2 through the transverse pipe 3, the slurry in the measuring cylinder 2 can be measured through the pressure transmitter 4, four diaphragm type pressure transmitters are respectively installed at different elevations of a slurry pool of the absorption tower, differential pressure is measured between every two components, correct density is selected after comparison of measured data, the slurry inlet valve 14 is closed, the slurry in the absorption tower 1 does not flow into the measuring cylinder 2 any more, the blow-off valve 13 is opened, the slurry and deposited solid particles in the measuring cylinder 2 are emptied, the flushing valve 16 is opened, the bottoms of the transverse pipe 3 and the measuring cylinder 2 are re-flushed, the flushing valve 16 is closed in sequence, the blow-off valve 13 is closed after 1 minute of delay, the slurry inlet valve 14 is opened, and continuous work can be realized.
Specifically, the overflow pipe is fixedly installed at the upper end of the other side of the measuring cylinder 2 in the embodiment. When using this device, can make the thick liquid flow out through the overflow pipe, can make this device use more convenient.
Specifically, the pressure transmitter 4 described in this embodiment is a diaphragm pressure transmitter.
Furthermore, a slurry inlet valve 14 is fixedly installed at one side of the horizontal pipe 3 in the embodiment, a flushing pipe 15 is arranged at one side of the slurry inlet valve 14, the upper end of the flushing pipe 15 is communicated with the middle part of the horizontal pipe 3, and a flushing valve 16 is fixedly installed at the upper end of the flushing pipe 15. When the device is used, the slurry inlet valve 14 is closed, the slurry in the absorption tower 1 does not flow into the measuring cylinder 2 any more, the drain valve 13 is opened, the slurry and deposited solid particles in the measuring cylinder 2 are emptied, the flushing valve 16 is opened, the transverse pipe 3 and the bottom of the measuring cylinder 2 are flushed again, the flushing valve 16 is closed in sequence, the drain valve 13 is closed after 1 minute is delayed, and the slurry inlet valve 14 is opened.
The embodiments of the present invention have been described with reference to the accompanying drawings, but these descriptions should not be construed as limiting the scope of the present invention, and the technical contents not described in detail in the present invention are known in the art.
Claims (4)
1. The utility model provides a liquid level density integration measurement system for wet flue gas desulfurization system thick liquid which characterized in that: the device comprises an absorption tower (1), wherein one side of the absorption tower (1) is provided with a measuring cylinder (2), the measuring cylinder (2) is communicated with the absorption tower (1) through a transverse pipe (3), one side of the measuring cylinder (2) is provided with four pressure transmitters (4), the four pressure transmitters (4) are arranged up and down, one side of the measuring cylinder (2) is fixedly provided with four high pressure sampling pipes (5), a low pressure sampling pipe (6) is arranged below the high pressure sampling pipes (5), the high pressure sampling pipes (5) and the low pressure sampling pipes (6) are communicated with the inside of the measuring cylinder (2), one end of each high pressure sampling pipe (5) is fixedly connected with a negative pressure chamber flange ball valve (7), the upper side and the lower side of one side of each pressure transmitter (4) are respectively provided with a connecting pipe (8), the upper connecting pipe (8) is communicated with the corresponding negative pressure chamber flange ball valve (7) through a negative pressure chamber connecting diaphragm flange (9), and the pressure transmitters (4) are connected with the corresponding connecting pipes (8) through control valves, one end fixedly connected with positive pressure chamber flange ball valve (10) of low pressure pipe (6) is got, and the one end of positive pressure chamber flange ball valve (10) is connected through positive pressure chamber connection diaphragm flange (11) with connecting pipe (8) of corresponding below, and the lower extreme fixed mounting blowdown pipeline (12) of measuring section of thick bamboo (2), blowdown pipeline (12) and measuring section of thick bamboo (2) are inside to communicate with each other, and the upper end fixed mounting blowdown valve (13) of blowdown pipeline (12).
2. The integrated liquid level density measuring system for the slurry of the wet desulphurization system according to claim 1, wherein: an overflow pipe is fixedly arranged at the upper end of the other side of the measuring cylinder (2).
3. The integrated liquid level density measuring system for the slurry of the wet desulphurization system according to claim 1, wherein: the pressure transmitter (4) is a diaphragm type pressure transmitter.
4. The integrated liquid level density measuring system for the slurry of the wet desulphurization system according to claim 1, wherein: one side of the horizontal pipe (3) is fixedly provided with a pulp inlet valve (14), one side of the pulp inlet valve (14) is provided with a flushing pipe (15), the upper end of the flushing pipe (15) is communicated with the middle part of the horizontal pipe (3), and the upper end of the flushing pipe (15) is fixedly provided with a flushing valve (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120799905.5U CN214622182U (en) | 2021-04-19 | 2021-04-19 | Liquid level and density integrated measurement system for slurry of wet desulphurization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120799905.5U CN214622182U (en) | 2021-04-19 | 2021-04-19 | Liquid level and density integrated measurement system for slurry of wet desulphurization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214622182U true CN214622182U (en) | 2021-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120799905.5U Active CN214622182U (en) | 2021-04-19 | 2021-04-19 | Liquid level and density integrated measurement system for slurry of wet desulphurization system |
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| CN (1) | CN214622182U (en) |
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2021
- 2021-04-19 CN CN202120799905.5U patent/CN214622182U/en active Active
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