CN106090625A - A kind of buried jet chimney leakage inspection method - Google Patents
A kind of buried jet chimney leakage inspection method Download PDFInfo
- Publication number
- CN106090625A CN106090625A CN201610706735.5A CN201610706735A CN106090625A CN 106090625 A CN106090625 A CN 106090625A CN 201610706735 A CN201610706735 A CN 201610706735A CN 106090625 A CN106090625 A CN 106090625A
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- CN
- China
- Prior art keywords
- dividing plate
- pipeline
- jet chimney
- leakage
- inspection method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chimneys And Flues (AREA)
Abstract
Present invention relates to a kind of buried jet chimney leakage inspection method, it is characterized by comprise the steps: step 1 that this section of heat-insulation layer is removed 50mm length by trocar sheath perforate in the middle part of leakage pipeline section, dividing plate is used to be cut off by pipeline from trocar sheath tapping, it is ensured that dividing plate and left and right pipeline 2 seal;Step 2, after certain time (8 10 hours), by dividing plate both sides SEA LEVEL VARIATION, can determine whether out that leak source must be in the higher side of water level;Step 3, takes a little at water level upper side interlude, repeats above-mentioned partition mode, until finding leak source.
Description
Technical field
Present invention relates to a kind of buried jet chimney leakage inspection method.
Background technology
Along with the quickening of Development of Urbanization, promoting the image in city further, lower berth, ground all taked by increasing pipeline
If mode, as the jet chimney of High Temperature High Pressure, underground piping can leak unavoidably, once leaks, the work of excavation leakage detection
Amount is relatively big, and once core pipe leakage rate hour, adds difficulty to leakage detection especially.
Owing to buried jet chimney has about 100mm heat-insulation layer, when pipeline minor leakage, may only have a small amount of steam
Emerging, more to condense water form spilling, leakage detection is the most difficult.And buried pipe is fixed and is held the distance arriving sliding end longer,
Cause the biggest trouble to accurately lookup leakage position.
Therefore, when promoting buried jet chimney minor leakage, leakage detection efficiency is the most necessary.
Summary of the invention
In view of this, in order to solve the problems referred to above, the present invention provides a kind of buried jet chimney leakage inspection method.
A kind of buried jet chimney leakage inspection method, comprises the steps:
Step 1, trocar sheath perforate in the middle part of leakage pipeline section, this section of heat-insulation layer is removed 50mm length, uses dividing plate from trocar sheath
Pipeline is cut off by tapping, it is ensured that dividing plate and left and right pipeline 2 seal;
Step 2, after certain time (8-10 hour), by dividing plate both sides SEA LEVEL VARIATION, can determine whether out that leak source must be higher at water level
Side;
Step 3, takes a little at water level upper side interlude, repeats above-mentioned partition mode, until finding leak source.
After using above method, can the most effectively investigate buried jet chimney minor leakage.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the embodiment of the present invention 1.
Detailed description of the invention
Embodiment 1:
With reference to Fig. 1, a kind of buried jet chimney leakage inspection method, comprise the steps:
Step 1, trocar sheath 1 perforate in the middle part of leakage pipeline section, this section of heat-insulation layer 3 is removed 50mm length, uses dividing plate 4 from overcoat
Pipeline 2 is cut off by pipe 1 tapping, it is ensured that dividing plate 4 and left and right pipeline 2 seal;
Step 2, after certain time (8-10 hour), by dividing plate 4 both sides SEA LEVEL VARIATION, can determine whether out that leak source must be higher at water level
Side;
Step 3, takes a little at water level upper side interlude, repeats above-mentioned partition mode, until finding leak source.
After using above method, can the most effectively investigate out buried jet chimney minor leakage point.
Claims (1)
1. a buried jet chimney leakage inspection method, is characterized by comprise the steps:
Step 1, trocar sheath perforate in the middle part of leakage pipeline section, this section of heat-insulation layer is removed 50mm length, uses dividing plate from trocar sheath
Pipeline is cut off by tapping, it is ensured that dividing plate and left and right pipeline 2 seal;
Step 2, after certain time (8-10 hour), by dividing plate both sides SEA LEVEL VARIATION, can determine whether out that leak source must be higher at water level
Side;
Step 3, takes a little at water level upper side interlude, repeats above-mentioned partition mode, until finding leak source.
Priority Applications (1)
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CN201610706735.5A CN106090625A (en) | 2016-08-23 | 2016-08-23 | A kind of buried jet chimney leakage inspection method |
Applications Claiming Priority (1)
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CN201610706735.5A CN106090625A (en) | 2016-08-23 | 2016-08-23 | A kind of buried jet chimney leakage inspection method |
Publications (1)
Publication Number | Publication Date |
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CN106090625A true CN106090625A (en) | 2016-11-09 |
Family
ID=57225609
Family Applications (1)
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CN201610706735.5A Pending CN106090625A (en) | 2016-08-23 | 2016-08-23 | A kind of buried jet chimney leakage inspection method |
Country Status (1)
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CN (1) | CN106090625A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106402663A (en) * | 2016-12-13 | 2017-02-15 | 成都天航智虹企业管理咨询有限公司 | Pipeline capable of preventing petroleum leakage |
Citations (7)
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CN102865459A (en) * | 2012-09-26 | 2013-01-09 | 华北电力大学(保定) | Heat supply pipe network leakage positioning system and heat supply pipe network leakage positioning method |
CN103016958A (en) * | 2012-12-13 | 2013-04-03 | 中国核电工程有限公司 | Method and system for temperature and humidity monitoring of high-energy pipeline subject to medium leakage in nuclear power plant |
EP2601499A1 (en) * | 2010-11-05 | 2013-06-12 | Siemens Aktiengesellschaft | Leakage detection and leakage location in supply networks |
CN204240064U (en) * | 2014-10-31 | 2015-04-01 | 哈尔滨朗格斯特节能科技有限公司 | Prefabricated direct-buried thermal insulation pipe alarming line supervisory device |
CN105698010A (en) * | 2014-11-25 | 2016-06-22 | 烟台地源空调科技有限公司 | Winter pipe network field construction leakage check method |
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2016
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101025154B1 (en) * | 2008-11-24 | 2011-04-01 | 황장선 | Double pipe |
EP2601499A1 (en) * | 2010-11-05 | 2013-06-12 | Siemens Aktiengesellschaft | Leakage detection and leakage location in supply networks |
CN102679168A (en) * | 2012-06-11 | 2012-09-19 | 中国平煤神马能源化工集团有限责任公司供热分公司 | Method for searching for leakage point of steel-wrapped-steel direct buried steam pipeline |
CN102865459A (en) * | 2012-09-26 | 2013-01-09 | 华北电力大学(保定) | Heat supply pipe network leakage positioning system and heat supply pipe network leakage positioning method |
CN103016958A (en) * | 2012-12-13 | 2013-04-03 | 中国核电工程有限公司 | Method and system for temperature and humidity monitoring of high-energy pipeline subject to medium leakage in nuclear power plant |
CN204240064U (en) * | 2014-10-31 | 2015-04-01 | 哈尔滨朗格斯特节能科技有限公司 | Prefabricated direct-buried thermal insulation pipe alarming line supervisory device |
CN105698010A (en) * | 2014-11-25 | 2016-06-22 | 烟台地源空调科技有限公司 | Winter pipe network field construction leakage check method |
Non-Patent Citations (2)
Title |
---|
胡忆沩等: "《实用管工手册》", 31 January 2000 * |
苗勇虎: "二分法排查管网漏点", 《2014年<中国给水排水>第十一届年会暨水处理热点技术高峰论坛论文集》 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106402663A (en) * | 2016-12-13 | 2017-02-15 | 成都天航智虹企业管理咨询有限公司 | Pipeline capable of preventing petroleum leakage |
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Application publication date: 20161109 |
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