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Production equipment and production method of pipeline transported coal slurry

A technology for production equipment and coal slurry, which is applied in the field of production equipment for coal slurry transportation by pipeline, can solve the problems of high return rate, high transportation cost, and large environmental pollution, so as to ensure safety and stability, and solve large-scale long-term problems. The effect of distance transport

Active Publication Date: 2020-04-28
SHAANXI SHENWEI COAL PIPELINE TRANSPORTATION OF GOD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, coal is mainly transported by railway, road, and waterway, which has high transportation costs and a high return rate, causing serious environmental pollution.

Method used

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  • Production equipment and production method of pipeline transported coal slurry

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047]A kind of production method of pipeline transportation coal slurry, specifically implement according to the following steps:

[0048] Step 1: Rod Mill 4 Grinding Pulping:

[0049] In the future, the coal raw material will be crushed by the fine crusher 1 to less than 6 mm and then dropped to the powder coal buffer bin 2, then quantitatively fed to the rod mill 4 by the quantitative feeder 3, and at the same time, water will be added to the rod mill 4 through the water inlet 24 of the first process. The electromagnetic flowmeter controls the amount of water added, and then fully grinds the coal slurry through the rod mill 4 and transports it to the safety screen 5 through the drum screen with a screen hole size of 3 mm on the rod mill 4; the oversize of the drum screen passes through the slag outlet Pull away with dolly 14;

[0050] In step 1, the incoming coal raw material is bituminous medium long-flame coal.

[0051] In step 1, the feeding amount of the quantitative ...

Embodiment 2

[0059] A kind of production method of pipeline transportation coal slurry, specifically implement according to the following steps:

[0060] Step 1: Rod Mill 4 Grinding Pulping:

[0061] In the future, the coal raw material will be crushed by the fine crusher 1 to less than 6 mm and then dropped to the powder coal buffer bin 2, then quantitatively fed to the rod mill 4 by the quantitative feeder 3, and at the same time, water will be added to the rod mill 4 through the water inlet 24 of the first process. The electromagnetic flowmeter controls the amount of water added, and then fully grinds the coal slurry through the rod mill 4 and transports it to the safety screen 5 through the drum screen with a screen hole size of 3 mm on the rod mill 4; the oversize of the drum screen passes through the slag outlet Pull away with dolly 14;

[0062] In step 1, the incoming coal raw material is non-caking coal.

[0063] In step 1, the feeding amount of the quantitative feeder 3 is 150t / ...

Embodiment 3

[0071] A kind of production method of pipeline transportation coal slurry, specifically implement according to the following steps:

[0072] Step 1: Rod Mill 4 Grinding Pulping:

[0073] In the future, the coal raw material will be crushed by the fine crusher 1 to less than 6 mm and then dropped to the powder coal buffer bin 2, then quantitatively fed to the rod mill 4 by the quantitative feeder 3, and at the same time, water will be added to the rod mill 4 through the water inlet 24 of the first process. The electromagnetic flowmeter controls the amount of water added, and then fully grinds the coal slurry through the rod mill 4 and transports it to the safety screen 5 through the drum screen with a screen hole size of 3 mm on the rod mill 4; the oversize of the drum screen passes through the slag outlet Pull away with dolly 14;

[0074] In step 1, the incoming coal raw material is non-caking coal.

[0075] In step 1, the feeding amount of the quantitative feeder 3 is 200t / ...

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Abstract

The invention discloses production equipment for pipeline transported coal slurry. The production equipment comprises a fine crusher, wherein a slack coal buffer bin is arranged below the discharge hole of the fine crusher; a constant weight feeder is arranged below the discharge hole of the slack coal buffer bin; a discharge hole of the constant weight feeder is connected with a rod mill througha first pipeline; a safety screen is arranged below the discharge hole of the rod mill; the safety screen is connected with a buffer pulp tank through a second pipeline, the buffer pulp tank is connected with an underflow pump through a third pipeline, a discharge port of the underflow pump is connected with a storage tank through a fourth pipeline, a discharge port of the storage tank is connected with a pulp feeding pump through a fifth pipeline, and a discharge port of the pulp feeding pump is connected with a main pump through a sixth pipeline; the safety screen is connected with a pulp return tank through a seventh pipeline, a discharge port of the pulp return tank is connected with a pulp return pump through an eighth pipeline, and a discharge port of the pulp return pump is communicated with a feed port of the rod mill through a pulp return pipe. The invention also provides a production method of the pipeline transported coal slurry. The pipeline transported coal slurry producedby the method is suitable for long-distance transportation.

Description

technical field [0001] The invention relates to the technical field of coal slurry preparation and transportation, in particular to a production equipment for coal slurry transported through pipes, and also relates to a production method for coal slurry transported through pipes. Background technique [0002] At present, coal is mainly transported by railway, highway, and waterway, which has high transportation costs and a high return rate, causing serious environmental pollution. Pipeline coal transportation can be used as an economical, environmentally friendly and safe transportation method. [0003] Coal slurry pipelines are operated industrially in the world with the successful practice of the American Hemisa pipeline. The pipeline transports low-concentration coal slurry with a weight concentration range of 43% to 48%. The high-concentration coal slurry pipeline was built in 1986 by the Soviet Union and China. Jointly built by Italy, it was blocked during the trial op...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L1/32
CPCC10L1/326
Inventor 闫建党康录安郑建民党勇樊苗苗
Owner SHAANXI SHENWEI COAL PIPELINE TRANSPORTATION OF GOD