CN101575500B - Preparation method of control agent for coal dust pollution - Google Patents

Preparation method of control agent for coal dust pollution Download PDF

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Publication number
CN101575500B
CN101575500B CN2009100747682A CN200910074768A CN101575500B CN 101575500 B CN101575500 B CN 101575500B CN 2009100747682 A CN2009100747682 A CN 2009100747682A CN 200910074768 A CN200910074768 A CN 200910074768A CN 101575500 B CN101575500 B CN 101575500B
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China
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portions
control agent
coal
percent
preparation
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CN2009100747682A
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CN101575500A (en
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董建敏
董维骏
冯红霞
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SHIJIAZHUANG XINBANGER ENERGY SAVING TECHNOLOGY Co Ltd
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Abstract

The invention relates to a preparation method of a control agent for coal dust pollution. The preparation method adopts the components with the following weight portions: 1 to 3 portions of polyvinyl alcohol (PVA), 2 to 3 portions of industrial starch, 1 to 1.5 portions of glutinous rice flour, 85 to 95 portions of water, 1 to 2 portions of polyoxyethylene nonylphenol ether and 1 to 2 portions of sodium humate. The control agent is prepared by mixing and evenly stirring the materials. The sodium humate contains 40 percent to 60 percent of humic acid and 10 percent to 20 percent of natrium. Thecontrol agent is characterized by low cost, wide material source, stable performance, wide application, innocuity and harmlessness, low corrosion rate, no odor and the like, as well as high inhibitio n rate, remarkable dust suppression effect, good frost resistance performance and the like. The technique that blending the control agent and spraying the control agent on the surface are combined is adopted in large-sized coal mines, ports and coal storage in China, thus realizing dust control and flame retardancy during production, storing and transporting processes of coals.

Description

A kind of preparation method of control agent for coal dust pollution
Technical field
The present invention relates to a kind of preparation method of control agent for coal dust pollution.
Background technology
PM for particulate matter pollutes and dust pollution is the serious problem of environmental pollution that the vast city of China faces; Particularly China's raw coal output reached 2,500,000,000 tons in 2008, to through more than 80% storage haulage system and arrive the user, these raw coal produce, spontaneous combustion in the transporting procedures, spill, the airborne dust loss; Rough estimates are about 1%; Annual loss coal surpasses 2,000 ten thousand tons, not only wastes energy, and goes back serious environment pollution.
With 10,000 tons coal yards is example, annual loses nearly 100,000 yuan because of the loss coal dust of blowing reaches the 100-200 ton, area, Shijiazhuang coal yard approximately year nearly 100,000,000 tons of all unloading coals, Shijiazhuang City is the big city that receives the dust severe contamination because of the westing Taihang Mountain.The fine coal entering atmosphere of being taken away by wind becomes dust and pellet, severe contamination locality and ambient air quality.The open-air coal yard of China's coal-mine, harbour, harbour, train, shipping, power plant and coal-fired enterprise; Peri-urban, both sides of highway coal yard, the sandstone ash stock ground of managing coal all exists and runs into blowing and raining weather and will produce polluted air and lose and cause energy dissipation; Especially the north, just have four, five months every year and be blow, rainy weather.Developing a kind of can the fire-retardant control agent for coal dust pollution that can prevent dust solid dirt again be a urgent task in coal production, transporting procedures, and energy-saving and emission-reduction are significant.
At present, control agent for coal dust pollution technical study exploitation relatively disperses, and level is uneven, and kind and effect are more single; That plays solid dirt effect can not play fire retardation simultaneously well, and vice versa.At present the control agent for coal dust pollution technology is not also done systematic research, do not have commercial application.Do not have a kind ofly can play fire retardation, can play the novel solid dust pollution control agent technology of solid dirt effect simultaneously again well.
Summary of the invention
Technical problem to be solved by this invention provides and a kind ofly can play fire retardation, can play well the preparation method of the control agent for coal dust pollution of dirt effect admittedly simultaneously again.
The present invention adopts following technical scheme:
The present invention adopts following ratio of weight and number component: Z 150PH (PVA) 1-3 part, industrial starch 2-3 part, sticky rice flour 1-1.5 part, water 85-95 part, polyoxyethylene nonylphenol 1-2 part, sodium humate 1-2 part; After the above-mentioned raw materials mixing; Stir and promptly process; Content of humic acid is 40-60% in the described sodium humate, and sodium content is 10-20%.
Beneficial effect of the present invention:
Characteristics such as that control agent of the present invention has is with low cost, wide material sources, stable performance, of many uses, nontoxic, corrosion rate is low, odorlessness and characteristics such as the resistanceization rate is high, anti-dust effect is obvious, resistance to frost is strong; The technology that in Chinese large-sized colliery, harbour, coal storage field, adopts blending to combine with surface sprinkling makes coal in production, transporting procedures, reach the fire-retardant purpose of solid dirt.
Face the great task of our times energy dilemma and environment protection, the new technique-coal dust Pollution control technology of exploitation and development energy-saving and emission-reduction, significant for the utilization again and the energy security of coal resources in China.
In desert treatment, control agent of the present invention is sprayed at the desertification surface simultaneously, forms protection moisture content, and the mantle of sand-fixed dust-proof is permeable when raining, and do not alkalize in top layer, curing back, oxidation, and can stop the reach of desertifying, and can effectively protect the soil, helps plant-growth.Therefore, the present invention has important practical significance to the environment protection of China.
Dust pollution control agent of the present invention is industrialized dust pollution control agent, also may command building materials dust of may command dust storm again, coal dust etc.About 1,680,000 square kilometres of existing desert of China and sandy land; Account for 17% of territory land area, 2460 square kilometres of desertification propagation rates are arranged every year, explain that China control desertification technology requires study and improves; According to forest department's introduction; Country calendar year 2001 to 2010 year, drop into 6,000,000,000 Renminbi and be used for desertifying and administer (refer to capital, Tianjin, open, Hebei one band), therefore promoting dust pollution control agent of the present invention has good social benefit and environmental benefit.
The present invention may be used on following three kinds of occasions:
A, be applied in station, harbour, power plant, open-air coal yard, unit train is first-class, does not influence the use of ature of coal and coal;
B, be applied in areas, the face of land such as mound, prone soil and travel fatigue pollution;
C, be positioned at the use (like Calcium Carbide Ash, flue dust etc.) of the discarded dust of large-scale construction site and enterprise.
Dust pollution control agent product of the present invention is colourless, liquid with no taste, and meta-alkalescence is nontoxic, is prone to store, and whole production technology does not have any three wastes discharge, does not contain harmful elements such as arsenic, mercury, lead, does not influence the use of ature of coal and coal, does not have environmental pollution.
Use dust pollution control agent of the present invention can form one deck protective layer rapidly, stop air directly to contact, make fine coal reach the fire-retardant effect of solid dirt more easily with the coal grain in coal particle surface.
Control agent of the present invention has freeze proof, heat-stable characteristics, under-15 ℃-39 ℃, all can normally use.
On March 12nd, 2009, product of the present invention carries out spray test, about 500 square metres of spray area on Shijiazhuang Xi Gang head building team sand drift; The sprinkling consumption is 300kg, sprays back 20 hours at the surperficial conjunctiva of sand drift, and wind-force reached 5 grades in second day; And sand drift surface conjunctiva is intact, dust raising phenomenon do not occur, May through two moderate rains after; The water rapid permeability is inner to sand drift, and the no any destruction in surface is still intact so far.
In December, 2008, the friendship coal yard carries out spray test to product of the present invention in Shijiazhuang, and the coal dust area reaches more than 1000 square metre; The about 800kg of product consumption of the present invention sprays the back 3 days snow that spots, and rainwater is seeped in the dump; Coal surface conjunctiva; The non-cracking phenomenon, no coal dust flies upward phenomenon, and does not influence the use of ature of coal and coal.
Embodiment
Embodiment one
Adopt following ratio of weight and number component: 1 part of Z 150PH (PVA), 3 parts of industrial starch, 1 part of sticky rice flour, 85 parts in water, 1 part of polyoxyethylene nonylphenol, 1 part of sodium humate; After the above-mentioned raw materials mixing; Stir and promptly process; Content of humic acid is 40% in the described sodium humate, and sodium content is 10%.
Embodiment two
Adopt following ratio of weight and number component: 2 parts of Z 150PH (PVA), 2.5 parts of industrial starch, 1.5 parts of sticky rice flours, 90 parts in water, 2 parts of polyoxyethylene nonylphenols, 2 parts of sodium humates; After the above-mentioned raw materials mixing; Stir and promptly process; Content of humic acid is 50% in the described sodium humate, and sodium content is 15%.
Embodiment three
Adopt following ratio of weight and number component: 3 parts of Z 150PH (PVA), 2 parts of industrial starch, 1.2 parts of sticky rice flours, 95 parts in water, 1.5 parts of polyoxyethylene nonylphenols, 1.5 parts of sodium humates; After the above-mentioned raw materials mixing; Stir and promptly process; Content of humic acid is 60% in the described sodium humate, and sodium content is 20%.

Claims (1)

1. the preparation method of a control agent for coal dust pollution; It is characterized in that adopting following ratio of weight and number component: Z 150PH 1-3 part, industrial starch 2-3 part, sticky rice flour 1-1.5 part, water 85-95 part, polyoxyethylene nonylphenol 1-2 part, sodium humate 1-2 part; After the above-mentioned raw materials mixing; Stir and promptly process, content of humic acid is 40-60% in the described sodium humate, and sodium content is 10-20%.
CN2009100747682A 2009-06-17 2009-06-17 Preparation method of control agent for coal dust pollution Expired - Fee Related CN101575500B (en)

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Application Number Priority Date Filing Date Title
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CN101575500B true CN101575500B (en) 2012-02-22

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Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101824302A (en) * 2010-04-01 2010-09-08 张仁贵 Dust-suppression foaming agent
CN102261260B (en) * 2010-06-03 2013-07-24 梁红 New method for preventing coal dust explosion under coal mine shaft
JP5999697B2 (en) * 2012-10-18 2016-09-28 太平洋セメント株式会社 Dust control composition and hydraulic powder composition
CN106634846A (en) * 2016-12-17 2017-05-10 北京首创北科环境科技研究院有限公司 Pigmented sodium humate incrusting dust suppressant and preparation method thereof
CN108721804A (en) * 2018-04-09 2018-11-02 夏侯文奇 A kind of medicament extending the coal ignition phase for easily spontaneous combustion coal dump
CN110064296B (en) * 2019-04-01 2021-08-20 河北科技大学 Air purifying agent and preparation method and application thereof
KR102368436B1 (en) * 2019-10-21 2022-03-07 오미혜 A composition for prevention of scattering a dust and a method for preparing the composition
KR102557229B1 (en) * 2020-11-12 2023-07-18 오미혜 Acomposition for prevention of scattering a dust and anti self-ignition and a method for preparing the composition
CN114752355A (en) * 2022-04-22 2022-07-15 深圳森工新材料科技有限公司 Environment-friendly dust suppressant and preparation method thereof
CN116227982B (en) * 2022-12-30 2023-10-31 中国矿业大学(北京) Quantification method and device for pollution degree of coal dust

Citations (2)

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Publication number Priority date Publication date Assignee Title
CN101230252A (en) * 2007-01-25 2008-07-30 兰州天际环境保护有限公司 Fugitive dust covering flux and method of production thereof
CN101429421A (en) * 2008-12-22 2009-05-13 西安科技大学 Environment-friendly bulk coal overlapping restrainer and method of producing the same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101230252A (en) * 2007-01-25 2008-07-30 兰州天际环境保护有限公司 Fugitive dust covering flux and method of production thereof
CN101429421A (en) * 2008-12-22 2009-05-13 西安科技大学 Environment-friendly bulk coal overlapping restrainer and method of producing the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP昭58-71995A 1983.04.28

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