Grouped washing pressure testing method and grouped washing pressure testing device for water cooling pipeline at bottom of blast furnace

A technology of water-cooled pipes and water-cooled pipes, which is applied to cooling devices and other directions, can solve problems such as increased construction costs and increased workload, and achieve the effects of reducing engineering construction costs, saving time, and reducing installation and material costs.

Inactive Publication Date: 2015-09-02
CHINA MCC17 GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the temporary diversion pipe has to be crossed or overhead, a lot of work will be added, resulting in an increase in construction costs

Method used

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  • Grouped washing pressure testing method and grouped washing pressure testing device for water cooling pipeline at bottom of blast furnace

Examples

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Embodiment Construction

[0013] Refer to the attached drawings, the pressure test method for grouped flushing of water-cooled pipes at the bottom of a blast furnace includes the following process steps:

[0014] 1. The water delivery truck transports the clean water to the pressure test site, opens the water delivery truck valve 1, and injects the clean water into the water collection tank 2 until the water collection tank is full, and installs the charging pump 9 and the first pressure gauge 8 on the water inlet pipe 10 in sequence And the water inlet valve 7, the water inlet of the water inlet pipe is connected with the water collection tank, and the outlet of the water inlet pipe is connected with the water inlet of the pressure component 6; the second pressure gauge 5, the water outlet valve 4 and the filter screen 3 are installed on the water outlet pipe 11 in sequence , The water inlet of the water outlet pipe is connected with the water outlet of the pressing member, the water outlet of the water o...

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Abstract

The invention discloses a grouped washing pressure testing method for a water cooling pipeline at the bottom of a blast furnace. The grouped washing pressure testing method includes the following technological steps: 1, delivering clean water to a pressure testing site by a water delivery vehicle; 2, starting pressurization; 3, checking a system; 4, performing pressure maintaining check during pressure testing; 5, discharging the water after pressure testing. A grouped washing pressure testing device for the water cooling pipeline at the bottom of the blast furnace comprises a water inlet pipeline and a water outlet pipeline. The grouped washing pressure testing method has the advantages that a pressurizing device and a water storage tank are produced on the site, and access to a temporary pressurizing pipeline from a place outside a factory is not needed; economy, practicability and reuse are achieved; installation of temporary pipelines and material cost are reduced, time is saved, and engineering construction cost is reduced; construction progress is guaranteed, and construction quality is improved.

Description

Technical field [0001] The invention relates to the technical field of pressure test of cooling water pipelines of blast furnace bottom in metallurgical systems, in particular to a pressure test method and device for cooling water pipelines of blast furnace bottom, which is used for pressure test of cooling water pipelines of blast furnace bottom. Background technique [0002] Blast furnace bottom cooling water pipes are usually arranged in parallel with 32 seamless steel pipes, the whole one is buried in the heat-resistant concrete of the furnace bottom, there is no joint in the furnace shell, and the length of the two ends of the water pipes exposed outside the furnace should be equal. The pressure test of the cooling water pipe at the bottom of the blast furnace is based on the actual situation at the site, and a temporary pressure pipe is usually introduced from the living area. As the temporary water diversion pipe has to be crossed down or overhead, a large amount of work i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21B7/10
Inventor 王庆胜吴梦菊翁勇荣
Owner CHINA MCC17 GRP
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