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Pulp pipe with dual automatic pressure relief protecting devices and pressure relief method thereof

A protection device and pressure protection technology, which is applied in the pipeline system, gas/liquid distribution and storage, mechanical equipment, etc., can solve the problems of continuous transportation of unfavorable slurry pipelines, expensive rupture discs, cumbersome replacement, etc., and reduce labor intensity and safety risks, personal safety protection, and the effect of ensuring transportation safety

Pending Publication Date: 2020-01-03
YUNNAN DAHONGSHAN PIPELINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in actual use, the bursting disc is expensive and cumbersome to replace, which is not conducive to the continuous transportation of slurry pipelines

Method used

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  • Pulp pipe with dual automatic pressure relief protecting devices and pressure relief method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Such as figure 1 As shown, the slurry pipeline with dual automatic pressure relief protection device of the present invention includes a field pipeline 1. The pipeline transportation direction of the field pipeline 1 is sequentially provided with a valve 2, a first pressure transmitter 3, and a second pressure transmitter. The device 4, the filter press 5, the rupture disc 6, the first pneumatic pressure relief valve 7, the second pneumatic pressure relief valve 8, the mixing barrel 9, the process sedimentation tank 10 and the slurry pump 11. Among them, the first pressure transmitter 3 and the second pressure transmitter 4 are connected in parallel with the filter press 5, and the filter presses 5 are multiple and connected in parallel. The bursting disc 6, the first pneumatic pressure relief valve 7 and the second pneumatic relief valve are connected in parallel. The pressure valve 8 is connected in parallel, the bursting disc 6 is connected in series with the mixing t...

Embodiment 2

[0036] Based on the above embodiment 1, this embodiment provides a dual automatic pressure relief protection method for slurry pipelines, including the following steps:

[0037] S1: Install two pressure transmitters at the front end of the filter press 5 on the slurry pipeline to simultaneously detect the internal pressure of the slurry pipeline;

[0038] S2: Replace the electric or manual valves of the main pipeline into the process sedimentation tank 10 and the mixing tank 9 with quick-open and quick-close pneumatic pressure relief valves. When the pneumatic valve receives the command to open and close the valve, the pneumatic valve will be within 1-2 seconds It can be opened and closed in place.

[0039] S3: Monitor the pressure value of the pressure transmitter through the PLC programmable controller, and control the opening of two pneumatic pressure relief valves to realize the first automatic pressure relief protection;

[0040] S4: Properly adjust the burst pressure of the orig...

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PUM

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Abstract

The invention discloses a pulp pipe with dual automatic pressure relief protecting devices. The device comprises a pulp pipe, a filter press and a pressure relief protecting device; the filter press and the pressure relief protecting device are both arranged on the pulp pipe; the pressure relief protecting device comprises a first pressure relief protecting device and a second pressure relief protecting device; the first pressure relief protecting device comprises a pressure transducer and a pneumatic pressure relief valve; the pressure transducer is arranged at the front end of the filter press; the pneumatic pressure relief valve is arranged at the back end of the filter press; the pressure transducer and the pneumatic pressure relief valve are matched for pressure relief; the second pressure relief protecting device comprises a blasting piece; and the blasting piece is arranged at the back end of the filter press. In the pulp pipe with the dual automatic pressure relief protecting devices, through arrangement of the dual automatic pressure relief protecting devices, the dual protection is performed on the pulp pipe, the frequent replacement of the blasting piece is prevented, the cost is reduced, and the continuous conveying of the pulp pipe is realized.

Description

Technical field [0001] The invention relates to the technical field of pipeline transportation, in particular to a slurry pipeline with a dual automatic pressure relief protection device and a pressure relief protection method thereof. Background technique [0002] In the process of slurry transportation, in order to avoid the pipeline pressure exceeding the design pressure range due to equipment failure, or the pipeline pressure caused by the misoperation of personnel exceeding the design pressure range, a pressure relief device must be installed on the pipeline, otherwise there will be Major equipment and environmental accidents that may cause slurry leakage after damage to the pipeline or other auxiliary equipment on the pipeline may occur. [0003] At present, the main method to solve the above problems is to install rupture discs on the slurry pipeline. When equipment failure or personnel misoperation causes the pipeline pressure to exceed the design pressure range, the slurr...

Claims

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Application Information

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IPC IPC(8): F17D1/08F17D3/01F17D5/00
CPCF17D1/088F17D3/01F17D5/00
Inventor 潘春雷李斌韩军刚赵增佳李剑锋马波
Owner YUNNAN DAHONGSHAN PIPELINE