CN104535274A - Method for rapidly judging leakage of heater - Google Patents
Method for rapidly judging leakage of heater Download PDFInfo
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- CN104535274A CN104535274A CN201410816400.XA CN201410816400A CN104535274A CN 104535274 A CN104535274 A CN 104535274A CN 201410816400 A CN201410816400 A CN 201410816400A CN 104535274 A CN104535274 A CN 104535274A
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- well heater
- condensate
- conductivity
- conductivity meter
- heater
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- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a method for rapidly judging leakage of a heater. The method includes the following steps that firstly, a conductivity meter (2) is installed on a condensate outlet pipe of the heater (1); secondly, if the display value of the conductivity meter (2) rises obviously, a condensate wastewater recovery valve (3) is opened, condensate is directly discharged for wastewater recovery processing, and meanwhile a qualified condensate collecting tank valve (4) is closed; thirdly, sampling analysis is conducted again to determine the conductivity of condensate, and if the value of the conductivity of the condensate is really high, it can be judged that the heater leaks. After the devices are installed on the heater, monitoring of the conductivity serves as a technological operation monitoring index, the leaking heater can be rapidly judged basically through the operation, the leakage phenomenon can be handled by personnel on duty, effective measures are taken in time, hazards to a system are reduced, and pollution to other condensate and wastewater processing emission are alleviated.
Description
Technical field
The present invention relates to wet phosphoric acid purifying production technology, specifically a kind of well heater leaks method for rapidly judging.
Background technology
Current wet phosphoric acid purifying is produced mainly by 46%P
2o
5phosphoric acid by wet process through in many ways process after, obtain>=61.5% P
2o
5purifying phosphoric acid, its processing procedure includes multiple concentrated (parsing of Phosphoric Acid Concentration, waste water is concentrated, the parsing of the solvent analysis, raffinate is concentrated), all need to use well heater in concentration process, general use steam is heating medium, and its condensed fluid reclaims and uses.Because heated medium has highly acid, corrosivity, the features such as easy fouling, well heater material selects graphite substantially, graphite heat exchanger corrosion resistance and good, and heat-transfer area is less scaling, and heat transfer property is good.But the easy embrittlement of graphite, bending resistance and tensile strength low, thus low pressure can only be used for, even if the block cavernous structure that bearing capacity is best, its working pressure is generally also only 0.3 ~ 0.5 MPa, misoperation and service time long all may cause well heater leak, cause polluting condensed fluid, the conveyance conduit of corrosion condensed fluid and storage tank, affect the normal use to condensed fluid, even jeopardize normal production, if fault can not be discharged in time, production system can not cut off pollution source in time, will increase wastewater treatment and discharge capacity, forms waste.
Summary of the invention
The present invention seeks to that invention is a kind of to be judged the method that well heater leaks to utilize the method fast in phosphoric acid purification is produced, in phosphoric acid purification production, normalization, quick and precisely judge whether well heater leaks, to ensure normally carrying out of production.
The determination methods that the present invention adopts, comprises following operation steps:
1. on each well heater 1 condensate outlet pipe, conductivity meter 2 is installed;
If 2. find, conductivity meter 2 displayed value obviously rises, then open this condensate wastewater and reclaim (discharge) valve 3, condensed fluid is directly disposed to waste water recycling device, closes to qualified condensate storage valve 4 simultaneously;
3. sample analysis confirms condensed fluid conductivity again, as its conductivity value is really higher, then can judge that this well heater has leakage.
4., as conductivity meter 2 displayed value < 50 μ s/cm, open qualified condensed fluid storage tank valve 4, well heater belongs to normal condition substantially; When conductivity meter 2 displayed value exceed >=50 μ s/cm more time, there is leakage situation in well heater, close remove strip liquor storage tank valve 4, open Sewage treatment valve 3, condensed fluid switches to Waste Water Treatment process, processes well heater; When conductivity meter 2 displayed value is few more than 50 μ s/cm, if when conductivity meter 2 displayed value constantly raises, monitoring constantly illustrates that well heater leakage situation increases the weight of, also to process well heater.
Device of the present invention is on the heaters after installation, the monitoring of conductivity is as technological operation monitor control index, by above operation, substantially the well heater leaked can be judged fast, process on duty, adopt an effective measure in time, reduce the harm to system, alleviate and the pollution of other condensed fluids and the process of reduction waste water are discharged.
Accompanying drawing explanation
fig. 1 is process unit structural representation of the present invention.
In FIG, in figure: 1. well heater, 2. conductivity meter, 3. Sewage treatment valve, 4. removes condensed fluid storage tank valve.
Embodiment
embodiment 1
The determination methods that the present invention adopts, comprises following operation steps:
1. on each well heater 1 condensate outlet pipe, conductivity meter 2 is installed;
If 2. find, conductivity meter 2 displayed value obviously rises, then open this condensate wastewater and reclaim (discharge) valve 3, condensed fluid is directly disposed to waste water recycling device, closes to qualified condensate storage valve 4 simultaneously;
2. sample analysis confirms condensed fluid conductivity again, as its conductivity value is really higher, then can judge that this well heater has leakage.
3., as conductivity meter 2 displayed value=35 μ s/cm, open qualified condensed fluid storage tank valve 4, well heater belongs to normal condition substantially;
embodiment 2
When conductivity meter 2 displayed value is more than 82 μ s/cm, through checking that leakage situation appears in well heater really, close and remove strip liquor storage tank valve 4, open Sewage treatment valve 3, condensed fluid switches to Waste Water Treatment process, carries out replacing process to well heater;
embodiment 3
When conductivity meter 2 displayed value exceed=50 μ s/cm time, scene is monitored constantly, when conductivity meter 2 displayed value constantly raises, when rising to 62 μ s/cm in one day, illustrates that well heater leakage situation increases the weight of, also will to well heater carry out replacing process.Find in maintenance that well heater leaks really.
Claims (1)
1. well heater leaks a method for rapidly judging, it is characterized in that the determination methods that the present invention adopts comprising following operation steps:
Each well heater (1) condensate outlet pipe is installed conductivity meter (2);
If 2. find, conductivity meter (2) displayed value obviously rises, then open this condensate wastewater recovery valve (3), condensed fluid be directly disposed to waste water recycling device, close to qualified condensate storage valve (4) simultaneously;
3. sample analysis confirms condensed fluid conductivity again, as its conductivity value is really higher, then can judge that this well heater has leakage;
4., as conductivity meter (2) displayed value < 50 μ s/cm, open qualified condensed fluid storage tank valve (4), well heater belongs to normal condition substantially; When conductivity meter (2) displayed value exceed >=50 μ s/cm more time, there is leakage situation in well heater, closes and remove strip liquor storage tank valve (4), open Sewage treatment valve (3), condensed fluid switches to Waste Water Treatment process, processes well heater; When conductivity meter (2) displayed value is few more than 50 μ s/cm, technological operation is monitored constantly, if illustrate that well heater leakage situation increases the weight of when conductivity meter (2) displayed value constantly raises, also will process well heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410816400.XA CN104535274A (en) | 2014-12-25 | 2014-12-25 | Method for rapidly judging leakage of heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410816400.XA CN104535274A (en) | 2014-12-25 | 2014-12-25 | Method for rapidly judging leakage of heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104535274A true CN104535274A (en) | 2015-04-22 |
Family
ID=52850848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410816400.XA Pending CN104535274A (en) | 2014-12-25 | 2014-12-25 | Method for rapidly judging leakage of heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104535274A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108910985A (en) * | 2018-08-10 | 2018-11-30 | 中化蓝天霍尼韦尔新材料有限公司 | A kind of lime set processing system and processing method |
Citations (6)
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|---|---|---|---|---|
| US5800694A (en) * | 1995-02-15 | 1998-09-01 | Andritz-Patentverwaltungs-Gesellschaft M.B.H. | Process and plant for pickling materials made of steel, in particular stainless steel |
| CN201364231Y (en) * | 2008-12-30 | 2009-12-16 | 上海电气电站设备有限公司 | Water leakage detector for vapour-cooled generators |
| CN201489006U (en) * | 2009-08-21 | 2010-05-26 | 钮德明 | Device for online-monitoring sugar content of double-effect vapor condensate |
| CN201788060U (en) * | 2010-09-10 | 2011-04-06 | 苏州市中新动力设备辅机有限公司 | Condensed water sampling and leakage detection device for steam condenser |
| CN102492954A (en) * | 2011-12-12 | 2012-06-13 | 北京星和众工设备技术股份有限公司 | Damage monitoring method for pickling line graphite heat exchanger |
| CN102677077A (en) * | 2011-12-12 | 2012-09-19 | 北京星和众工设备技术股份有限公司 | Damage monitoring system for graphite heat exchanger on pickling line |
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2014
- 2014-12-25 CN CN201410816400.XA patent/CN104535274A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5800694A (en) * | 1995-02-15 | 1998-09-01 | Andritz-Patentverwaltungs-Gesellschaft M.B.H. | Process and plant for pickling materials made of steel, in particular stainless steel |
| CN201364231Y (en) * | 2008-12-30 | 2009-12-16 | 上海电气电站设备有限公司 | Water leakage detector for vapour-cooled generators |
| CN201489006U (en) * | 2009-08-21 | 2010-05-26 | 钮德明 | Device for online-monitoring sugar content of double-effect vapor condensate |
| CN201788060U (en) * | 2010-09-10 | 2011-04-06 | 苏州市中新动力设备辅机有限公司 | Condensed water sampling and leakage detection device for steam condenser |
| CN102492954A (en) * | 2011-12-12 | 2012-06-13 | 北京星和众工设备技术股份有限公司 | Damage monitoring method for pickling line graphite heat exchanger |
| CN102677077A (en) * | 2011-12-12 | 2012-09-19 | 北京星和众工设备技术股份有限公司 | Damage monitoring system for graphite heat exchanger on pickling line |
Non-Patent Citations (3)
| Title |
|---|
| 史秋芳: "电导仪在石墨换热器冷凝水测量中的应用", 《磷肥与复肥》 * |
| 张安龙等: "石墨换热器在酸洗线中的应用", 《武钢技术》 * |
| 王耀林等: "浓缩石墨换热器大面积爆管原因分析及预防", 《磷肥与复肥》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108910985A (en) * | 2018-08-10 | 2018-11-30 | 中化蓝天霍尼韦尔新材料有限公司 | A kind of lime set processing system and processing method |
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| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150422 |