CN219804325U - Online solid impurity separation treatment and detection system for boiler water - Google Patents
Online solid impurity separation treatment and detection system for boiler water Download PDFInfo
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- CN219804325U CN219804325U CN202321139993.1U CN202321139993U CN219804325U CN 219804325 U CN219804325 U CN 219804325U CN 202321139993 U CN202321139993 U CN 202321139993U CN 219804325 U CN219804325 U CN 219804325U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 238000001514 detection method Methods 0.000 title claims abstract description 15
- 239000007787 solid Substances 0.000 title claims abstract description 14
- 239000012535 impurity Substances 0.000 title claims abstract description 12
- 238000000926 separation method Methods 0.000 title claims abstract description 10
- 239000010865 sewage Substances 0.000 claims abstract description 11
- 238000005070 sampling Methods 0.000 claims description 42
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims description 6
- 239000011574 phosphorus Substances 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 229920006395 saturated elastomer Polymers 0.000 description 24
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 238000005259 measurement Methods 0.000 description 4
- 150000001768 cations Chemical class 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 238000005342 ion exchange Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model relates to the technical field of boiler heating, and discloses a boiler water on-line solid impurity separation treatment and detection system, which comprises a high Wen Lujia part 1, an instrument frame part 2 and an on-line analysis part 3, wherein the high-temperature frame part 1 comprises a boiler water outlet and a boiler water frame pipeline, the boiler water frame pipeline is connected with a high-pressure filter 113 after passing through a high-temperature high-pressure valve, one end of a pipeline output from the high-pressure filter 113 is connected with a high-pressure sewage pipe, and the other end of the pipeline is connected with the instrument frame part 2 after passing through a high-efficiency cooler 1121. The system is additionally provided with the high-pressure filter, so that the system is suitable for the current situation that the output pressure value of the furnace water is high, the impact of the high-pressure furnace water on the system is reduced, and the failure rate and the operation and maintenance cost are further reduced.
Description
Technical Field
The utility model relates to the technical field of boiler heating, in particular to a boiler water on-line solid separation treatment and detection system.
Background
Methanol To Olefins (DMTO) is produced from methanol synthesized from coal as a raw material by a fluidized bed reaction form similar to a catalytic cracker. DMTO is used as a new way for synthesizing low-carbon olefin by using methanol, and the heat energy required by an olefin deep processing industry chain enterprise for producing high-added-value products by using methanol as a raw material is generally supplied by a boiler. In a boiler device, furnace water, saturated steam, superheated steam and deoxidized water taken out from a boiler body, an economizer and a deoxidizer often contain a large amount of solid impurities (mainly fine coal powder) and have high pressure (the pressure range is usually 3.5-6 MPa), in order to remove part of the solid impurities and reduce the water pressure, a manufacturer usually sets a low-pressure filter and a high-pressure filter before a process medium (water vapor) enters an online analysis part, so that water vapor which is cleaner and has the pressure lower than 3.5MPa is obtained. However, the traditional low-pressure filter has poor use effect and high manpower maintenance cost.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a boiler water on-line solid separation treatment and detection system, which is characterized in that a high-pressure filter is additionally arranged in a boiler water output pipe furnace so as to filter the boiler water with higher pressure at high pressure, and then the low-pressure filter is used for filtering the boiler water at low pressure, so that the filtering effect is improved, and the operation and maintenance cost is reduced. The technical scheme adopted is as follows: the utility model provides a boiler water separates processing and detecting system on line solid impurity, includes high Wen Lujia part 1, instrument desk part 2 and online analysis part 3, its characterized in that: the high-temperature furnace frame part 1 comprises a furnace water outlet and a furnace water furnace frame pipeline, the furnace water furnace frame pipeline is connected with the high-pressure filter 113 after passing through the high-temperature high-pressure valve, one end of the pipeline output from the high-pressure filter 113 is connected with a high-pressure sewage pipe, and the other end of the pipeline is connected with the instrument frame part 2 after passing through the high-efficiency cooler 1121.
The pipeline connection of the furnace water instrument frame part is as follows: the instrument frame part 2 comprises a furnace water instrument frame part, one end of the furnace water instrument frame part is connected with the output end of the high-efficiency cooler 1121, and the other end of the furnace water instrument frame part is connected with the online analysis part 3 after passing through the pressure reducing valve 211, the throttle valve I231, the throttle valve II 2111, the low-pressure filter 271, the one-way valve 281 and the flowmeter 291.
In order to prevent the impact and damage of the low-pressure filter caused by the excessively high-pressure furnace water, a sample water overpressure protection component 221 is also connected to the pipeline of the furnace water instrument frame part.
In order to timely detect the pressure and the temperature of the furnace water, a pressure gauge 241 and a thermometer 251 are further arranged on a pipeline of the furnace water instrument frame.
In order to achieve the purpose of flexible sampling and detection, the pipeline of the furnace water instrument frame is also connected with a manual sampling pipeline in parallel, the output end of the manual sampling pipeline is connected with a sampling sewage pipeline, the manual sampling pipeline is also provided with a sampling valve 2121, and the sampling valve 2121 is provided with a manual sampling point 2101.
The on-line analysis section 3 of the system comprises a furnace water on-line analysis section comprising a specific conductivity meter 32, an acidometer 331 and a phosphorus meter 34 connected to a furnace water on-line analysis line.
The utility model has the beneficial effects that: the system is additionally provided with the high-pressure filter, so that the system is suitable for the current situation that the output pressure value of the furnace water is high, the impact of the high-pressure furnace water on the system is reduced, and the failure rate and the operation and maintenance cost are further reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
Wherein 1 is a high Wen Lujia part, 11 is a left side furnace water outlet, 12 is a right side furnace water outlet, 13 is a left side saturated steam outlet, 14 is a right side saturated steam outlet, 15 is a superheated steam outlet, 16 is an economizer outlet, 17 is a chlorine removal gas outlet, 18 is a supply port except chlorine water, 191-1911 is a high temperature and high pressure valve, 1101-1109 is a medium pressure valve, 1111-11113 is a ball valve, 1121-1126 is a high efficiency cooler, 113 is a high pressure filter, 114 is a blowdown flash vessel, 115 is a flow controller;
2 is an instrument rack part, 211-215 is a pressure reducing valve, 221-225 is a sample water overpressure protecting component, 231-235 is a throttle valve I, 241-246 is a pressure gauge, 251-256 is a thermometer, 261-266 is a solenoid valve, 271-2711 is a low pressure filter, 281-2811 is a one-way valve, 291-2911 is a flow meter, 2101-2106 is a manual sampling point, 2111-21111 is a throttle valve II, 2121-2126 is a sampling valve;
3 is an on-line analysis part, 311-314 is a cation conductivity meter CC,32 is a specific conductivity meter, 331-333 is an acidometer, 34 is a phosphorus meter, 351-354 is an ion exchange column, and 361-362 is a dissolved oxygen meter.
Detailed Description
The following describes specific embodiments of the present utility model with reference to the drawings.
The utility model discloses a boiler water on-line solid impurity separation treatment and detection system which mainly comprises a high Wen Lujia part 1, an instrument stand part 2 and an on-line analysis part 3.
The high-temperature furnace frame part 1 comprises a furnace water outlet and a furnace water furnace frame pipeline, wherein the furnace water outlet comprises a left furnace water outlet 11 and a right furnace water outlet 12, one end of the furnace water furnace frame pipeline is connected with the left furnace water outlet 11 and the right furnace water outlet 12, and then is respectively connected with the high-pressure filter 113 through high-temperature high-pressure valves 191 and 192, one side of a pipeline output from the high-pressure filter 113 is connected with a high-pressure sewage pipe through a high-temperature high-pressure valve 196, and the other side of the pipeline is connected with the instrument frame part 2 through the high-temperature high-pressure valve 197 and a high-efficiency cooler 1121.
The instrument rack part 2 comprises a furnace water instrument rack part, one end of the furnace water instrument rack part is connected with the output end of the high-efficiency cooler 1121, and the other end of the furnace water instrument rack part is connected with the online analysis part 3 after passing through the pressure reducing valve 211, the throttle valve I231, the throttle valve II 2111, the low-pressure filter 271, the one-way valve 281 and the flowmeter 291. In order to prevent the impact and damage of the low pressure filter 271 caused by the excessively high pressure furnace water, a sample water overpressure protection component 221 is also connected to the pipeline of the furnace water instrument frame part, and the sample water overpressure protection component 221 can give an alarm after the pressure exceeds a set value. Meanwhile, in order to timely detect the pressure and the temperature of the furnace water, a pressure gauge 241 and a thermometer 251 are also arranged on a pipeline of the furnace water instrument frame part. In order to achieve the purpose of flexible sampling and detection, the pipeline of the furnace water instrument frame is also connected with a manual sampling pipeline in parallel, the output end of the manual sampling pipeline is connected with a sampling sewage pipeline, a sampling valve 2121 is further arranged on the manual sampling pipeline, and a manual sampling point 2101 is arranged on the sampling valve 2121.
The on-line analysis section 3 includes a furnace water on-line analysis section including a specific conductivity meter 32, an acidometer 331 and a phosphorus meter 34 connected to a furnace water on-line analysis line. In this embodiment, the connection mode in the system is as follows: after passing through the water overpressure protection component 221 and the electromagnetic valve 261, the pipeline of the furnace water instrument frame is divided into three branches in parallel, and one branch is connected to the specific conductance meter 32 after passing through the pressure reducing valve 2111, the low pressure filter 271, the one-way valve 281 and the flowmeter 291; the two branches are connected to the acidometer 331 after passing through the pressure reducing valve 2112, the low pressure filter 272, the check valve 282 and the flowmeter 292; the three branches are connected to the phosphorus meter 34 via a pressure reducing valve 2113, a low pressure filter 273, a check valve 283, and a flow meter 293.
The high Wen Lujia part 1 of the system also comprises a saturated steam outlet and a saturated steam hob pipe, wherein the saturated steam outlet comprises a left saturated steam outlet 13 and a left saturated steam outlet 14. One end of the saturated steam furnace frame pipeline is connected with the left saturated steam outlet 13 and the left saturated steam outlet 14, and then respectively passes through the high-temperature high-pressure valves 193 and 194, one end of the saturated steam furnace frame pipeline is connected with the high-pressure sewage pipe through the high-temperature high-pressure valve 198, and the other end of the saturated steam furnace frame pipeline is connected with the instrument frame part 2 after passing through the high-temperature high-pressure valve 199 and the high-efficiency cooler 1122.
The instrument frame part 2 further comprises a saturated steam instrument frame part, one end of the saturated steam instrument frame part is connected with the output end of the high-efficiency cooler 1122, and the other end of the saturated steam instrument frame part is connected with the online analysis part 3 after passing through the pressure reducing valve 212, the throttle valve I232, the throttle valve II 2114, the ion exchange column 351, the low-pressure filter 274, the one-way valve 284 and the flowmeter 294. In order to prevent the impact and damage of the saturated steam with excessive pressure to the low pressure filter 274, the saturated steam meter frame part pipeline is also connected with a sample water overpressure protection component 222, and after the pressure exceeds a set value, the sample water overpressure protection component 222 can give an alarm. Meanwhile, in order to timely detect the pressure and the temperature of the saturated steam, a pressure gauge 242 and a thermometer 252 are further arranged on a pipeline of the saturated steam instrument frame. In order to achieve the purpose of flexible sampling and detection, the pipeline of the saturated steam instrument frame is also connected with a manual sampling pipeline in parallel, the output end of the manual sampling pipeline is connected with a sampling sewage pipeline, a sampling valve 2122 is further arranged on the manual sampling pipeline, and a manual sampling point 2102 is arranged on the sampling valve 2122.
The on-line analysis section 3 further includes a saturated vapor on-line analysis section including a cation conductivity meter 311 connected to the saturated vapor on-line analysis line.
The present system high Wen Lujia section 1 also includes a superheated steam outlet, including a superheated steam outlet 15, and a superheated steam hob line. One end of the superheated steam furnace frame pipeline is connected with the superheated steam outlet 15, the other end is respectively connected with the high-temperature high-pressure valves 1910 and 1911, one end is connected with the high-pressure sewage pipe through the high-temperature high-pressure valve 1910, and the other end is connected with the instrument frame part 2 after passing through the high-temperature high-pressure valve 1911 and the high-efficiency cooler 1123.
The instrument frame part 2 further comprises a superheated steam instrument frame part, one end of the superheated steam instrument frame part is connected with the output end of the high-efficiency cooler 1123, and the other end of the superheated steam instrument frame part is connected with the online analysis part 3 after passing through the pressure reducing valve 213, the throttle valve I233, the throttle valve II 2115, the ion exchange column 352, the low-pressure filter 275, the one-way valve 285 and the flowmeter 295. In order to prevent the low pressure filter 275 from being impacted and damaged by the overheated steam with excessive pressure, the overheated steam meter frame part pipeline is also connected with a sample water overpressure protection component 223, and after the pressure exceeds a set value, the sample water overpressure protection component 223 can give an alarm. Meanwhile, in order to timely detect the pressure and the temperature of the superheated steam, a pressure gauge 243 and a thermometer 253 are further arranged on a pipeline of the superheated steam instrument frame. In order to achieve the purpose of flexible sampling and detection, the part of the pipeline of the superheated steam instrument frame is also connected with a manual sampling pipeline in parallel, the output end of the manual sampling pipeline is connected with a sampling sewage pipeline, a sampling valve 2123 is further arranged on the manual sampling pipeline, and a manual sampling point 2103 is arranged on the sampling valve 2123.
The on-line analysis section 3 further includes a superheated steam on-line analysis section including a cation conductivity meter 312 connected to the superheated steam on-line analysis line.
In addition to the above-described structure, the present system further includes an economizer inlet 16, a chlorine-removal outlet 17, and a chlorine-removal water supply port 18, and corresponding piping. Since the protection scope of the present utility model is not related, the description is omitted.
In the system, furnace water, saturated steam, superheated steam and deoxidized water which are taken out from a boiler body, a coal economizer and a deoxidizer are filtered, cooled, stabilized in pressure and constant in a high-efficiency cooler, a high-pressure filter and a pressure reducing valve of a high Wen Lujia part 1, so that the measurement conditions of an online analysis part are primarily met; a small part of process samples are processed by the high-temperature furnace frame part 1 and then enter the instrument frame part 2, filtered, stabilized and constant-current are carried out again by the sampling valve, the low-pressure filter and the flowmeter, then the measurement is carried out after the measurement conditions of the online analysis part are met, the process samples processed by the instrument frame part enter the online analysis part 3, and after the detection by various online analyzers such as an acidometer, an oxygen dissolution meter, a conductivity meter and a phosphorus meter, the measurement results of all components are transmitted to a DCS system to be displayed on a computer of a process operation station by using 4-20mA standard analog quantity signals, so that real-time online information detected by the system is obtained.
Of course, the above description is not intended to limit the utility model, but rather the utility model is not limited to the above examples, and variations, modifications, additions or substitutions within the spirit and scope of the utility model will be within the scope of the utility model.
Claims (5)
1. The utility model provides a boiler water separates processing and detecting system on line solid impurity, includes high Wen Lujia part (1), instrument rack part (2) and online analysis part (3), its characterized in that: the high-temperature furnace frame part (1) comprises a furnace water outlet and a furnace water furnace frame pipeline, the furnace water furnace frame pipeline is connected with the high-pressure filter (113) after passing through the high-temperature high-pressure valve, one end of the pipeline output from the high-pressure filter (113) is connected with the high-pressure sewage pipe, and the other end of the pipeline is connected with the instrument frame part (2) after passing through the high-efficiency cooler (1121); the instrument frame part (2) comprises a furnace water instrument frame part, one end of the furnace water instrument frame part is connected with the output end of the high-efficiency cooler (1121), and the other end of the furnace water instrument frame part is connected with the online analysis part (3) after passing through the pressure reducing valve (211), the throttle valve I (231), the throttle valve II (2111), the low-pressure filter (271), the one-way valve (281) and the flowmeter (291).
2. The boiler water on-line solid impurity separation treatment and detection system according to claim 1, wherein: and the part of the pipeline of the furnace water instrument frame is also connected with a sample water overpressure protection component (221).
3. The boiler water on-line solid impurity separation treatment and detection system according to claim 2, wherein: and a pressure gauge (241) and a thermometer (251) are also arranged on the pipeline of the furnace water instrument frame part.
4. The boiler water on-line solid impurity separation treatment and detection system according to claim 2, wherein: the furnace water instrument frame part pipeline is also connected with a manual sampling pipeline in parallel, the output end of the manual sampling pipeline is connected with a sampling sewage pipeline, a sampling valve (2121) is further arranged on the manual sampling pipeline, and a manual sampling point (2101) is arranged on the sampling valve (2121).
5. The boiler water on-line solid impurity separation treatment and detection system according to claim 1, wherein: the online analysis part (3) comprises a furnace water online analysis part, and the furnace water online analysis part comprises a specific conductivity meter (32), an acidometer (331) and a phosphorus meter (34) which are connected to a furnace water online analysis pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321139993.1U CN219804325U (en) | 2023-05-10 | 2023-05-10 | Online solid impurity separation treatment and detection system for boiler water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321139993.1U CN219804325U (en) | 2023-05-10 | 2023-05-10 | Online solid impurity separation treatment and detection system for boiler water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219804325U true CN219804325U (en) | 2023-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321139993.1U Active CN219804325U (en) | 2023-05-10 | 2023-05-10 | Online solid impurity separation treatment and detection system for boiler water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219804325U (en) |
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2023
- 2023-05-10 CN CN202321139993.1U patent/CN219804325U/en active Active
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