WO2009009960A1 - Appareil et procédé de fusion d'asphalte - Google Patents

Appareil et procédé de fusion d'asphalte Download PDF

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Publication number
WO2009009960A1
WO2009009960A1 PCT/CN2008/001323 CN2008001323W WO2009009960A1 WO 2009009960 A1 WO2009009960 A1 WO 2009009960A1 CN 2008001323 W CN2008001323 W CN 2008001323W WO 2009009960 A1 WO2009009960 A1 WO 2009009960A1
Authority
WO
WIPO (PCT)
Prior art keywords
asphalt
melter
melting
melting apparatus
pump
Prior art date
Application number
PCT/CN2008/001323
Other languages
English (en)
Chinese (zh)
Inventor
Hekui Liang
Kaiwei Xu
Haifei Xu
Wenxue Ming
Lijun Fan
Original Assignee
China Aluminum International Engineering Corporation Limited
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Aluminum International Engineering Corporation Limited filed Critical China Aluminum International Engineering Corporation Limited
Publication of WO2009009960A1 publication Critical patent/WO2009009960A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
    • C10C3/00—Working-up pitch, asphalt, bitumen
    • C10C3/10—Melting
    • C10C3/12—Devices therefor

Definitions

  • the present invention relates to a melting apparatus and method, and more particularly to an asphalt melting apparatus and method suitable for use in industries such as carbon and metallurgy. Background technique
  • Liquid asphalt is widely used as a binder in the production of anodes, cathodes and electrodes.
  • the bitumen is solid and requires a melting technique to melt the solid bitumen into a liquid state to enhance its fluidity, reduce the viscosity of the bitumen, and remove impurities.
  • the volumetric asphalt melting tank adopts the intermittent melting technology, and needs to be manually fed into the melting tank periodically, and the asphalt is heated by the heat medium oil in the melting tank.
  • the technology has low melting efficiency, small output, and high labor intensity. After a period of operation, the melting tank will deposit a large amount of impurities at the bottom. If it is not cleaned in time, the quality of the liquid asphalt will be seriously affected, and the solid asphalt dust generated during the feeding will be The asphalt flue gas volatilized during the melting process is not well treated, resulting in poor workshop environment. Summary of the invention
  • the present invention provides an asphalt melting device and method, the purpose of which is to: effectively improve melting efficiency, increase equipment productivity, reduce labor intensity of workers, and greatly reduce dust and asphalt fumes in the workshop. Emissions, impurities deposited at the bottom of the melter can be discharged directly.
  • An asphalt melting device comprising an asphalt melter, an asphalt filter, an asphalt pump, wherein a feed port of the asphalt melter is connected to a discharge port of the bucket elevator, The asphalt melter is in communication with the buffer tank, and the buffer tank is in communication with the asphalt pump through the pipeline.
  • the inlet of the bucket elevator is connected with the discharge port of the crusher, and a scale is arranged above the inlet of the crusher, and the asphalt weighing the weight is received.
  • the scale is a belt scale, and an asphalt bin is arranged above the belt scale.
  • a manual flapper valve is arranged at the outlet of the asphalt silo.
  • the lower part of the asphalt silo is a pyramid-shaped jacket structure, and the inside of the jacket is cold water.
  • the crusher is a hammer crusher, and the crushed asphalt has a particle size of less than 3 mm.
  • a rotary valve is arranged between the feed port of the asphalt melter and the discharge port of the bucket elevator.
  • the cutting tube of the rotary valve is a jacket structure, and the inside of the jacket is cold water.
  • the asphalt melter is provided with a buried pump.
  • the top of the asphalt melter is provided with a solid asphalt feed port and a melting basket, and the feed pipe in the asphalt melter is a jacket structure, and the inside of the jacket is cold water.
  • the asphalt melter is provided with a heat medium oil heating tube of two temperatures.
  • the bottom of the asphalt melter is provided with a slag discharge port.
  • the asphalt melter is disposed on the rail.
  • the inlet of the buried pump is in communication with the bitumen melter liquid bitumen, and the outlet extends into the melting basket.
  • the bottom of the buffer tank is provided with a slag discharge port.
  • the asphalt pump is provided with an asphalt filter in front of the asphalt pump, the asphalt filter is a jacket structure, and the inside of the jacket is heat medium oil.
  • the asphalt pump and the asphalt filter are provided with manual asphalt valves on the front and the back.
  • a method for melting asphalt comprises the following steps: lifting the crushed asphalt to a high position with a bucket elevator and then entering the asphalt melter to melt, the molten liquid asphalt overflows to the buffer tank, and then sent to the asphalt pump Liquid asphalt storage tank.
  • the asphalt melting method further comprises the following steps: The solid asphalt is sent to the asphalt silo through the conveying device, and the solid asphalt which is discharged from the asphalt silo is measured by a belt scale, and then enters the crusher for crushing, and the crushed asphalt has a particle size of less than 3 mm.
  • the asphalt lifted by the bucket elevator uniformly enters the asphalt melter through the rotary valve, and the rotary valve seals the asphalt smoke discharged from the asphalt melter.
  • the high temperature liquid asphalt in the lower portion of the asphalt melter is pumped into the melting basket at the upper portion of the melter by a buried pump on the asphalt melter to rinse the solid asphalt immediately after.
  • the liquid asphalt flowing out of the buffer tank is filtered by the asphalt filter and sent by the asphalt pump to the liquid asphalt tank.
  • the invention has the advantages and effects that: the invention effectively utilizes energy and improves the melting speed; the entire melting process is easy to realize automatic control, the asphalt cleaning and maintenance is convenient, and the labor intensity of the worker is reduced; the solid asphalt loading adopts a sealing structure, and the workshop dust amount Rarely; Asphalt flue gas is concentrated in the upper part of the asphalt melter, and the purification device is easy to collect and can be concentrated.
  • Figure 1 is a schematic view showing the structure of prior art asphalt melting.
  • Figure 2 is a schematic view showing the melting structure of the asphalt of the present invention.
  • Asphalt melting tank 2. Manual asphalt valve; 3. Asphalt filter; 4. Leaching pump;
  • An asphalt melting device comprising an asphalt melter 12, an asphalt filter 3, an asphalt pump 4, wherein a feed port of the asphalt melter 12 is in communication with a discharge port of the bucket elevator 9, and a feed port of the asphalt melter 12
  • a rotary valve 10 is arranged between the discharge port of the bucket elevator 9 and the discharge pipe of the rotary valve 10 is a jacket structure, the inside of the jacket is cold water, the inlet of the bucket elevator 9 and the output of the crusher 8
  • the material inlet is connected, a scale is arranged above the feeding port of the crusher 8, and the asphalt is weighed by the scale, and the crusher 8 is a hammer crusher.
  • the crushed asphalt has a particle size of less than 3 mm, the asphalt melter 12 and the buffer tank.
  • the asphalt melter 12 is provided with a buried pump 1 1 , the top of the asphalt melter 12 is provided with a solid asphalt feed port, and the upper part is provided with a melting basket 14 , and the inlet of the buried pump 1 1 is connected with the asphalt melter liquid asphalt
  • the outlet extends into the melting basket 14, the asphalt melter 12 is provided with two temperature heat medium oil heating tubes, the bottom of the asphalt melter 12 is provided with a slag discharge port, the asphalt melter 12 is disposed on the rail, and the asphalt melter 12
  • the inner feeding tube is a jacket structure A cold water jacket, the buffer tank 134 communicates with the pump via line pitch, with the tap outlet bottom buffer tank 13.
  • the above scale is a belt weigher 7, and an asphalt silo 5 is arranged above the belt scale 7, a manual flapper valve 6 is arranged at the outlet of the asphalt silo 5, and a lower portion of the asphalt silo 5 is a pyramid-shaped jacket structure.
  • the inside of the jacket is cold water.
  • the asphalt pump 4 is provided with an asphalt filter 3 in front of it, and the asphalt filter 3 is a jacket structure, and the inside of the jacket is heat medium oil.
  • a manual leaching valve 2 is provided on the front and rear of the asphalt pump 4 and the asphalt filter 3.
  • a method for melting asphalt comprises the steps of: transporting solid asphalt The equipment is sent to the asphalt silo, and the solid asphalt under the asphalt silo is measured by a belt scale, and then enters the crusher for crushing.
  • the crushed asphalt has a particle size of less than 3 mm, and the broken asphalt is lifted to a high position with a bucket elevator to enter The asphalt melter melts, and the melted liquid asphalt overflows into the buffer tank, which is then sent to the liquid asphalt storage tank by the asphalt pump.
  • the asphalt lifted by the bucket elevator mentioned above uniformly enters the asphalt melter through the rotary valve, and the rotary valve seals the asphalt smoke discharged from the asphalt melter.
  • the high temperature liquid bitumen in the lower portion of the above asphalt melter is pumped by a buried pump on the asphalt melter into a melting basket at the upper portion of the melter to rinse the solid asphalt immediately to enhance heat exchange.
  • the above-mentioned liquid asphalt flowing out of the buffer tank is filtered by the asphalt filter and sent to the liquid asphalt storage tank by the asphalt pump.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Civil Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Working-Up Tar And Pitch (AREA)
  • Road Paving Machines (AREA)

Abstract

L'invention porte sur un appareil de fusion d'asphalte, en particulier un appareil de fusion d'asphalte utilisé dans l'industrie du carbone ou de la métallurgie. Cet appareil comprend un récipient de fusion d'asphalte (12), une soupape d'asphalte manuelle (2), un filtre d'asphalte (3) et une pompe à asphalte (4). L'entrée du récipient de fusion d'asphalte (12) est reliée à un orifice de décharge d'un transporteur à godets (9). Le récipient de fusion d'asphalte (12) communique avec un récipient tampon (13), et le récipient tampon (13) est relié à la pompe à asphalte (4). L'appareil a les avantages suivants: l'énergie a pu être utilisée de façon efficace et la vitesse de fusion a pu être augmentée; l'automatisation de l'ensemble du procédé de fusion peut être facilement réalisée, le nettoyage et l'entretien sont commodes et la main-d'œuvre des ouvriers a pu être réduite; l'introduction d'asphalte solide utilise une structure d'étanchéité et la teneur en poussière dans l'atelier est faible; de la fumée d'asphalte est concentrée à la partie supérieure du récipient de fusion d'asphalte (12) et peut être recueillie de façon commode et traitée de façon centralisée par un purificateur.
PCT/CN2008/001323 2007-07-17 2008-07-16 Appareil et procédé de fusion d'asphalte WO2009009960A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200710012138.3 2007-07-17
CNA2007100121383A CN101348725A (zh) 2007-07-17 2007-07-17 一种沥青熔化装置及方法

Publications (1)

Publication Number Publication Date
WO2009009960A1 true WO2009009960A1 (fr) 2009-01-22

Family

ID=40259300

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2008/001323 WO2009009960A1 (fr) 2007-07-17 2008-07-16 Appareil et procédé de fusion d'asphalte

Country Status (4)

Country Link
CN (1) CN101348725A (fr)
MY (1) MY162543A (fr)
SA (1) SA08290448B1 (fr)
WO (1) WO2009009960A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108568188A (zh) * 2018-06-26 2018-09-25 贵阳铝镁设计研究院有限公司 一种用于净化沥青熔化器及沥青储槽沥青烟气的方法
CN109456784A (zh) * 2018-12-24 2019-03-12 北京紫瑞天成科技有限公司 一种浇注钢带式沥青造粒的生产机组

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102851052A (zh) * 2011-06-29 2013-01-02 沈阳铝镁设计研究院有限公司 一种沥青快速熔化的***及方法
CN103184063B (zh) * 2011-12-29 2016-04-13 贵阳铝镁设计研究院有限公司 提高沥青缓冲效果的方法及装置
CN114196428A (zh) * 2021-11-12 2022-03-18 新疆农六师碳素有限公司 一种预焙阳极连续沥青熔化***及熔化工艺
CN114481749B (zh) * 2022-03-15 2023-08-11 湖南华城检测技术有限公司 旧沥青物料厂拌热再生预拌分步拌和控制方法

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Publication number Priority date Publication date Assignee Title
DE3524083A1 (de) * 1985-07-05 1987-01-08 Kloeckner Humboldt Deutz Ag Schmelzbehaelter
RU2154085C2 (ru) * 1998-10-13 2000-08-10 Лейпи Эмиль Густавович Устройство для плавления и очистки битума
CN101134901A (zh) * 2006-09-01 2008-03-05 贵阳铝镁设计研究院 料柱重力式沥青自动快速熔化方法及装置
CN201074255Y (zh) * 2007-07-09 2008-06-18 杭州华龙纺织机械有限公司 间歇式加水斗

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CN2116677U (zh) * 1992-04-15 1992-09-23 余晓东 低压气流切片输送装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3524083A1 (de) * 1985-07-05 1987-01-08 Kloeckner Humboldt Deutz Ag Schmelzbehaelter
RU2154085C2 (ru) * 1998-10-13 2000-08-10 Лейпи Эмиль Густавович Устройство для плавления и очистки битума
CN101134901A (zh) * 2006-09-01 2008-03-05 贵阳铝镁设计研究院 料柱重力式沥青自动快速熔化方法及装置
CN201074255Y (zh) * 2007-07-09 2008-06-18 杭州华龙纺织机械有限公司 间歇式加水斗

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GONG S.: "Asphalt Rapid Melting Technology Application", CARBON TECHNIQUES, vol. 23, no. 2, 2004, pages 37, 39 *
ZHANG J.: "Modification Practice of Asphalt Melting System", CHINA NONFERROUS METALLURGY, no. 3, June 2006 (2006-06-01), pages - 12 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108568188A (zh) * 2018-06-26 2018-09-25 贵阳铝镁设计研究院有限公司 一种用于净化沥青熔化器及沥青储槽沥青烟气的方法
CN109456784A (zh) * 2018-12-24 2019-03-12 北京紫瑞天成科技有限公司 一种浇注钢带式沥青造粒的生产机组
CN109456784B (zh) * 2018-12-24 2024-05-14 北京紫瑞天成科技有限公司 一种浇注钢带式沥青造粒的生产机组

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Publication number Publication date
MY162543A (en) 2017-06-15
CN101348725A (zh) 2009-01-21
SA08290448B1 (ar) 2012-09-17

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