CN219722178U - Operation monitoring system for pre-filter for condensate polishing - Google Patents
Operation monitoring system for pre-filter for condensate polishing Download PDFInfo
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- CN219722178U CN219722178U CN202321157737.5U CN202321157737U CN219722178U CN 219722178 U CN219722178 U CN 219722178U CN 202321157737 U CN202321157737 U CN 202321157737U CN 219722178 U CN219722178 U CN 219722178U
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- filter
- water inlet
- diaphragm
- water outlet
- water
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- 238000011045 prefiltration Methods 0.000 title claims abstract description 62
- 238000012544 monitoring process Methods 0.000 title claims abstract description 36
- 238000005498 polishing Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 107
- 238000012360 testing method Methods 0.000 claims abstract description 37
- 239000012528 membrane Substances 0.000 claims description 23
- 238000005070 sampling Methods 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 8
- 230000000007 visual effect Effects 0.000 claims description 7
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 abstract description 4
- 238000011156 evaluation Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 18
- 229910052742 iron Inorganic materials 0.000 description 9
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a condensate polishing pre-filter operation monitoring system, which comprises a water inlet diaphragm testing system, a water inlet diaphragm monitoring system and a water outlet diaphragm monitoring system, wherein the water inlet diaphragm testing system is communicated with a water inlet pipe of a pre-filter and is used for measuring water inlet suspended matters of the pre-filter; the water outlet pipe of the pre-filter is communicated with a water outlet diaphragm testing system for measuring water outlet suspended matters of the pre-filter; a monitoring alarm system for monitoring, recording and alarming the flow of the water inlet diaphragm and the water outlet diaphragm is arranged between the water inlet diaphragm test system and the water outlet diaphragm test system. The utility model realizes the reliable evaluation of the operation effect of the pre-filter, can find out the failed pre-filter in time, and further backwash or replace the filter element in time, thereby ensuring the filtering effect of the pre-filter.
Description
Technical Field
The utility model relates to the technical field of condensate treatment of power plants, in particular to a condensate fine treatment pre-filter operation monitoring system.
Background
At present, supercritical units become the main stream of thermal power generation in China, and along with the improvement of unit parameters, the requirements of the units on water vapor quality are also higher and higher. The condensate polishing system of the supercritical unit is an important device for guaranteeing the quality of water vapor of the unit and slowing down corrosion. The heat supply network at high temperature in the cogeneration is hydrophobic, and condensed water, emulsion, degreasing liquid and other liquids in industries of petrochemical industry, metallurgy and the like also contain a large amount of iron, so that the direct recycling can also cause the deterioration of water quality of water supply, and the safety and economic operation of a subsequent system are affected. Therefore, the liquids can be recycled after iron removal treatment, and the iron corrosion products in the water vapor circulating system are mainly in a suspended state and a colloid state, so that the iron corrosion products in the water can be removed by adopting a pre-filtration process.
The pre-filter mainly uses the iron content of the outlet water and the inlet and outlet pressure difference as operation control indexes, but because the iron content measuring method (spectrophotometry, atomic absorption method and the like) is relatively complex and has low stability, the iron content of the outlet water is measured only once per week in general cases by staff, the operation state of the pre-filter cannot be indicated in real time, and the inlet and outlet pressure difference is used as the only operation control index of the pre-filter in most cases of actual operation. Therefore, the main problems of the pre-filter of the condensate polishing system of the supercritical unit are as follows: after the pre-filter is put into operation, the pressure difference is not changed, the subsequent high-speed mixed bed resin iron pollution is serious, repeated scrubbing is needed during regeneration, and the problem of the pre-filter cannot be found when the pre-filter is evaluated by adopting the electric power industry standard.
Disclosure of Invention
The utility model aims to provide a system for monitoring the operation of a pre-filter for condensate polishing, which aims to solve the problems in the background technology.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows.
The operation monitoring system of the pre-filter for condensate polishing comprises a water inlet diaphragm testing system which is communicated with a water inlet pipe of the pre-filter and is used for measuring water inlet suspended matters of the pre-filter; the water outlet pipe of the pre-filter is communicated with a water outlet diaphragm testing system for measuring water outlet suspended matters of the pre-filter; and a monitoring alarm system for monitoring, recording and alarming the flow of the water inlet diaphragm and the water outlet diaphragm is arranged between the water inlet diaphragm test system and the water outlet diaphragm test system.
According to a further optimized technical scheme, the water inlet diaphragm test system comprises a water inlet sampling pipe communicated with a water inlet pipe of a pre-filter, and a water inlet regulating valve, a first pressure gauge, a first diaphragm filter and a first flow gauge are sequentially arranged at the upstream of the water inlet sampling pipe; and a first discharge port is arranged at the downstream of the water inlet sampling tube.
According to a further optimized technical scheme, the water outlet diaphragm test system comprises a water outlet sampling pipe communicated with a water outlet pipe of the pre-filter, and a water outlet regulating valve, a second pressure gauge, a second diaphragm filter and a second flow gauge are sequentially arranged at the upstream of the water outlet sampling pipe; and a second discharge port is arranged at the downstream of the water outlet sampling tube.
The monitoring alarm system comprises a first data transmission line connected with a first flowmeter, and the other end of the first data transmission line is connected with a computer; the computer is connected with a second data transmission line, and the other end of the second data transmission line is connected with a second flow table; and the output end of the computer is connected with an audible and visual alarm.
The monitoring alarm system comprises a wireless communication module connected with the first flow meter, and the output end of the wireless communication module is connected with a computer; the computer is connected with the second data transmission line through the wireless communication module, and the output end of the computer is connected with the audible and visual alarm.
According to the further optimized technical scheme, the first membrane filter and the second membrane filter adopt filter membranes with the pore diameters of 0.45 mu m.
By adopting the technical scheme, the utility model has the following technical progress.
According to the operation monitoring system for the pre-filter for condensate polishing, provided by the utility model, the water inlet flow and the water outlet flow of the pre-filter are detected through the water inlet diaphragm testing system and the water outlet diaphragm testing system, so that the content of suspended matters in the pre-filter is calculated, and the removal rate of the pre-filter is calculated. The utility model realizes the reliable evaluation of the operation effect of the pre-filter, can find out the failed pre-filter in time, and further backwash or replace the filter element in time, thereby ensuring the filtering effect of the pre-filter.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
wherein: 1. the water inlet diaphragm test system comprises 11 parts of water inlet diaphragm test system, 12 parts of first pressure gauge, 13 parts of first diaphragm filter, 14 parts of first flow gauge, 2 parts of water outlet diaphragm test system, 21 parts of water outlet regulating valve, 22 parts of second pressure gauge, 23 parts of second diaphragm filter, 24 parts of second flow gauge, 3 parts of monitoring alarm system, 31 parts of computer, 321 parts of first data transmission line, 322 parts of second data transmission line, 33 parts of audible and visual alarm, 4 parts of first discharge port, 5 parts of second discharge port, 6 parts of pre-filter.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the specific embodiments.
The system for monitoring the operation of the pre-filter for the condensate polishing is shown in combination with fig. 1, and comprises a water inlet diaphragm test system 1, a water outlet diaphragm test system 2, a monitoring alarm system 3, a first discharge port 4 and a second discharge port 5. The water inlet diaphragm test system 1 comprises a water inlet regulating valve 11, a first pressure gauge 12, a first diaphragm filter 13 and a first flow gauge 14; the water outlet diaphragm test system 2 comprises a water outlet regulating valve 21, a second pressure gauge 22, a second diaphragm filter 23 and a second flow meter 24; the monitoring alarm system 3 comprises a computer 31, a first data transmission line 321, a second data transmission line 322, and an audible and visual alarm 33.
The intake diaphragm test system 1 is in communication with the intake pipe of the pre-filter 6 for determining the amount of intake suspension of the pre-filter 6. The intake diaphragm test system 1 includes an intake sampling tube, an intake regulating valve 11, a first pressure gauge 12, a first diaphragm filter 13, and a first flow gauge 14. The water inlet sampling tube is communicated with the water inlet tube of the pre-filter 6, the upstream of the water inlet sampling tube is sequentially provided with a water inlet regulating valve 11, a first pressure gauge 12, a first membrane filter 13 and a first flow gauge 14, and the downstream of the water inlet sampling tube is provided with a first discharge port 4.
The water outlet pipe of the pre-filter 6 is communicated with a water outlet diaphragm test system 2, and the water outlet diaphragm test system 2 is used for measuring the amount of water outlet suspended matters (mainly iron) of the pre-filter 6. The effluent diaphragm test system 2 includes an effluent sampling tube, an effluent regulator valve 21, a second pressure gauge 22, a second diaphragm filter 23, and a second flow gauge 24. The outlet sampling tube is communicated with the outlet pipe of the pre-filter 6, the upstream of the outlet sampling tube is sequentially provided with an outlet regulating valve 21, a second pressure gauge 22, a second membrane filter 23 and a second flow gauge 24, and the downstream of the outlet sampling tube is provided with a second discharge port 5.
The first membrane filter 13 and the second membrane filter 23 are filter membranes having a pore size of 0.45 μm.
A monitoring alarm system 3 is arranged between the water inlet diaphragm test system 1 and the water outlet diaphragm test system 2 and is used for monitoring, recording and alarming the flow of the water inlet diaphragm and the water outlet diaphragm.
The monitoring alarm system 3 includes a first data transmission line 321 connected to the first flow meter 14, and the computer 31 is connected to the other end of the first data transmission line 321. The computer 31 is connected to a second data line 322 and the other end of the second data line 322 is connected to a second flow table 24. The output end of the computer 31 is connected with an audible and visual alarm 33, and the alarm is given when the computer 31 monitors that the detection results of the water inlet diaphragm test system 1 and the water outlet diaphragm test system 2 are lower than the limit value. The first flow meter 14 and the second flow meter 24 can also be connected with the monitoring alarm system 3 through wireless communication modules.
In practical use, the filter membrane in the water inlet membrane test system 1 filters the inlet water of the pre-filter 6, and the inlet water pressure is controlled to be 2 ml/s-20 ml/s by adjusting the inlet water regulating valve 11. The suspended matters of the inlet water of the pre-filter 6 are trapped on the surface of the membrane, and the flow rate of the inlet water of the membrane is gradually reduced along with the gradual increase of the suspended matters trapped on the membrane; the first flow meter 14 sends the detected data to the computer 31 in real time. When the flow value decreases to a certain extent, the monitoring alarm system 3 gives an alarm. At this point, filtration was stopped and the membrane was removed to perform total amount analysis of suspended matter on the surface of the membrane.
Similarly, the filter membrane in the outlet membrane test system 2 filters the outlet water of the pre-filter 6, and the outlet water pressure is controlled by adjusting the outlet water regulating valve 21. The suspended matters of the effluent of the pre-filter 6 are trapped on the surface of the membrane, and the flow rate of the effluent of the membrane is gradually reduced along with the gradual increase of the suspended matters trapped on the membrane; the second flow meter 24 sends the detected data to the computer 31 in real time. When the flow value decreases to a certain extent, the monitoring alarm system 3 gives an alarm. The monitoring alarm system 3 calculates the accumulated water quantity of the diaphragm, further calculates the concentration condition of suspended matters in water entering and exiting the pre-filter 6, and calculates the removal rate of the pre-filter 6 to suspended matters, at the moment, the filtering is stopped, the diaphragm is taken down to analyze the total quantity of the suspended matters on the surface of the diaphragm, further the interception effect of the pre-filter 6 is evaluated, and the pre-filter 6 is backwashed or the filter element is replaced in time.
Claims (6)
1. The utility model provides a condensation water smart processing prefilter operation monitoring system which characterized in that: the device comprises a water inlet diaphragm test system (1) which is communicated with a water inlet pipe of a pre-filter and is used for measuring water inlet suspended matters of the pre-filter (6); the water outlet pipe of the pre-filter (6) is communicated with a water outlet diaphragm test system (2) for measuring water outlet suspended matters of the pre-filter (6); a monitoring alarm system (3) for monitoring, recording and alarming the flow of the water inlet diaphragm and the water outlet diaphragm is arranged between the water inlet diaphragm test system (1) and the water outlet diaphragm test system (2).
2. The condensate polishing pre-filter operation monitoring system of claim 1, wherein: the water inlet diaphragm test system (1) comprises a water inlet sampling pipe communicated with a water inlet pipe of a pre-filter, and a water inlet regulating valve (11), a first pressure gauge (12), a first diaphragm filter (13) and a first flow gauge (14) are sequentially arranged at the upstream of the water inlet sampling pipe; a first discharge port (4) is arranged at the downstream of the water inlet sampling tube.
3. The condensate polishing pre-filter operation monitoring system of claim 2, wherein: the water outlet diaphragm test system (2) comprises a water outlet sampling pipe communicated with a water outlet pipe of the pre-filter, and a water outlet regulating valve (21), a second pressure gauge (22), a second diaphragm filter (23) and a second flowmeter (24) are sequentially arranged at the upstream of the water outlet sampling pipe; and a second discharge port (5) is arranged at the downstream of the water outlet sampling tube.
4. A condensate polishing pre-filter operation monitoring system as claimed in claim 3, wherein: the monitoring alarm system (3) comprises a first data transmission line (321) connected with the first flowmeter (14), and the other end of the first data transmission line (321) is connected with a computer (31); the computer (31) is connected with a second data transmission line (322), and the other end of the second data transmission line (322) is connected with a second flow meter (24); the output end of the computer (31) is connected with an audible and visual alarm (33).
5. A condensate polishing pre-filter operation monitoring system as claimed in claim 3, wherein: the monitoring alarm system (3) comprises a wireless communication module connected with the first flowmeter (14), and the output end of the wireless communication module is connected with the computer (31); the computer (31) is connected with the second data transmission line (322) through the wireless communication module, and the output end of the computer (31) is connected with the audible and visual alarm (33).
6. A condensate polishing pre-filter operation monitoring system according to claim 4 or 5, wherein: the first membrane filter (13) and the second membrane filter (23) adopt filter membranes with the pore diameter of 0.45 mu m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321157737.5U CN219722178U (en) | 2023-05-15 | 2023-05-15 | Operation monitoring system for pre-filter for condensate polishing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321157737.5U CN219722178U (en) | 2023-05-15 | 2023-05-15 | Operation monitoring system for pre-filter for condensate polishing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219722178U true CN219722178U (en) | 2023-09-22 |
Family
ID=88031376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321157737.5U Active CN219722178U (en) | 2023-05-15 | 2023-05-15 | Operation monitoring system for pre-filter for condensate polishing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219722178U (en) |
-
2023
- 2023-05-15 CN CN202321157737.5U patent/CN219722178U/en active Active
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