WO2015051710A1 - Asphalt storing and heating apparatus using electricity/coal - Google Patents

Asphalt storing and heating apparatus using electricity/coal Download PDF

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Publication number
WO2015051710A1
WO2015051710A1 PCT/CN2014/087518 CN2014087518W WO2015051710A1 WO 2015051710 A1 WO2015051710 A1 WO 2015051710A1 CN 2014087518 W CN2014087518 W CN 2014087518W WO 2015051710 A1 WO2015051710 A1 WO 2015051710A1
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asphalt
tank
vertical tank
heating device
outlet
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PCT/CN2014/087518
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French (fr)
Chinese (zh)
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于永飞
王猛
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于永飞
王猛
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Publication of WO2015051710A1 publication Critical patent/WO2015051710A1/en

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    • 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 invention belongs to the field of chemical product storage facilities, and particularly relates to an electric coal dual-purpose asphalt storage heating device.
  • the asphalt storage facilities are generally constructed by using asphalt tanks.
  • the storage method has the advantages of large reserves and low storage costs, but also has large defects.
  • the heat value loss during heating is large, and the heating speed is slow, which affects the construction. schedule.
  • the high-temperature asphalt tank is stored in the bottom of the asphalt tank.
  • the heated asphalt is continuously swelled and floated during the actual heating process. It can only be released when the whole tank asphalt is completely melted, which is not convenient enough.
  • There are also other methods such as storage tanks, but there are still problems such as low thermal efficiency, high cost, inconvenient oil discharge, insufficient heating effect, and low production efficiency.
  • the technical problem to be solved by the invention is: designing an electric coal dual-purpose asphalt storage heating device, which is fast in heating, saves the cost of asphalt storage and recovery, and improves production efficiency.
  • the technical solution adopted to solve the technical problem is: designing an electric coal dual-purpose asphalt storage heating device, including a ground furnace, a vertical tank and a heat transfer oil pipe, characterized in that: the ground furnace is arranged at the bottom of the vertical tank, and the chimney thereof Passing through the vertical tank from the top of the tank along the central axis, the lower portion of the vertical tank is tapered, the vertical tank is provided with a high outlet and a low outlet, and the high outlet and the low outlet are respectively provided with an asphalt conduit,
  • the asphalt duct is connected to the asphalt pump, and the heat transfer oil pipe is laid on the inner wall of the vertical tank, and the heat transfer oil pipe is s Connected to the electric heating system;
  • the chimney outlet is provided with a purifying filter tube;
  • the chimney outlet is provided with a top cap;
  • the heat conducting oil pipe comprises an oil inlet pipe and a return oil pipe;
  • the vertical tank is provided with a sampling window; a layer, the outer protective layer comprises asbestos;
  • the bottom of the vertical tank
  • the invention has the advantages of dual-purpose electric coal, the underground furnace is heated from the middle of the tank body, the electric heating oil guiding tube is heated from the periphery of the tank body, the heating is fast, the heat efficiency is high, and when the power is cut off, the coal heating can also be completely relied on; underground, It can effectively save the space on the ground, and the furnace facilities including coal and blowers are also transferred to the underground, and the environment is clean and tidy.
  • the chimney is arranged on the central axis of the vertical tank, and the furnace is heated.
  • the fire is discharged from the chimney mouth after being burned by the chimney, and the heating is uniform, thereby avoiding the phenomenon of bottoming when the furnace directly heats the bottom of the tank.
  • the vertical tank is provided with a high outlet.
  • the heated asphalt continuously swells and rises, and when the high outlet is reached, the asphalt pump can be opened to extract the asphalt. You don't have to wait until the entire tank of asphalt is completely melted and then taken.
  • High level outlet and high level reclaiming window, asphalt can also be used as pressure drain hole in other relative water level lines.
  • the heat transfer tubing is s
  • the arrangement is uniform, the distribution is reasonable, the layout is reasonable, the heat radiation area is enlarged, the thermal efficiency is high, and the length of the heat transfer oil pipe used can also be saved.
  • the purging pipe outlet is provided with a purifying filter tube to prevent dust from entering the atmosphere, effectively reducing exhaust gas emissions and protecting the environment.
  • the top hat of the chimney outlet is arranged to prevent rain, snow and the like from entering the chimney, reduce the heat value, and effectively block the rise of large particles.
  • the lower part of the tank body is tapered. When the tank is cleaned, the liquid asphalt can automatically flow along the tank wall to the slag discharge port.
  • the heating conduit includes an oil inlet pipe and an oil outlet pipe to form a loop to automatically realize heat exchange; the heating conduits are grouped and set, and each group independently forms a complete loop. When a group fails, the normal operation of the other groups is not affected, and at the same time, The method of rotating the switches is also convenient for troubleshooting.
  • the heat transfer oil pipe is set as a smooth surface. When cleaning, the liquid asphalt can be automatically detached from the heating oil pipe without sticking too much asphalt.
  • the vertical protective layer is set on the vertical tank, and asbestos is sandwiched, which can effectively keep warm and prevent the asphalt from agglomerating when the temperature is lowered.
  • the furnace is equipped with a blower, which can send more oxygen, which is more profitable and improves thermal efficiency.
  • Figure 1 is a schematic view of the structure of the present invention
  • FIG. 2 is a schematic view showing the structure of the take-up window of the present invention
  • an electric coal dual-purpose asphalt storage heating device comprises a ground furnace 1, a vertical tank 2 and a heat transfer oil pipe 3, characterized in that: the ground furnace 1 is disposed at the bottom of the vertical tank 2, and the chimney 4 passes through the vertical tank 2 and passes through the top of the tank along the central axis.
  • the vertical shape of the vertical tank 2 is tapered, and the vertical tank 2 is provided with a high outlet 5 and a low outlet 6
  • the upper outlet 5 and the lower outlet 6 are each provided with an asphalt duct 9 , and the asphalt duct 9 is connected to an asphalt pump 7 , and a heat transfer oil pipe 3 is laid on the inner wall of the vertical tank 2, and the heat transfer oil pipe 3 is s
  • the electric heating system 8 is connected to the electric heating system 8;
  • the purging pipe 4 is provided with a purifying filter pipe 10;
  • the chimney 4 is provided with a top cap 11 at the outlet;
  • the heat conducting oil pipe 3 includes an oil inlet pipe and a return oil pipe; a sampling window 13 is provided;
  • the vertical tank 2 is provided with an outer protective layer, the outer protective layer comprises asbestos;
  • the bottom of the vertical tank 2 is provided with a slag discharge port 12;
  • the heat transfer oil pipe 3 is set as a smooth surface; Set the blower.
  • the ground tank is first dug during construction to install the ground furnace 1 , and the vertical tank 2 is installed above the ground tank because the vertical tank 2
  • the bottom contraction is tapered and needs to be specially reinforced during the installation.
  • the stand support can be used to solve the problem that the upper and the lower are not stable enough.
  • Ladders can be set up in the ground trough to facilitate the workers to operate the furnace 1; the same stickers can be placed along the vertical tank 2
  • a ladder can also be set up on the outer wall.
  • the invention has the advantages of simple structure and convenient operation, and is very suitable for promotion.

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  • 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)
  • Road Paving Machines (AREA)

Abstract

An asphalt storing and heating apparatus using electricity/coal comprises a pit furnace (1), a stand tank (2) and heat conduction oil pipes (3). The pit furnace (1) is arranged at the bottom of the stand tank (2), and the chimney (4) thereof penetrates through the stand tank (2) and penetrates out from the tank top along the central axis. The lower portion of the stand tank (2) is in a cone shape, and the stand tank (2) is provided with a high-position outlet (5) and a low-position outlet (6). The high-position outlet (5) and the low-position outlet (6) are both provided with asphalt guide pipes (9) connected to asphalt pumps (7). Heat conduction oil pipes (3) arranged in an S-shape and connected to an electrical heating system (8) in group are laid on the inner wall of the stand tank (2). The asphalt storing and heating apparatus using electricity/coal heats the liquid asphalt quickly, the cost of storing and recycling asphalt is saved, and production efficiency is improved.

Description

一种电煤两用沥青存储加热装置  Electric coal dual-purpose asphalt storage heating device 一种电煤两用沥青存储加热装置  Electric coal dual-purpose asphalt storage heating device
技术领域 Technical field
本发明属于化工产品储存设施领域，具体涉及一种电煤两用沥青存储加热装置。 The invention belongs to the field of chemical product storage facilities, and particularly relates to an electric coal dual-purpose asphalt storage heating device.
背景技术 Background technique
目前的沥青储存设施，一般有采用修建沥青池储存，这种储存方式的优点在于储量量大，储存成本低，但也存在较大缺陷，加热时热值损失大，加温速度慢，影响施工进度。采用高温沥青罐储存的，其开口多设在沥青罐的底部，实际加热过程中被加热的沥青不断溶胀上浮，只有当整罐沥青完全融开时才能放出，取用不够方便。也有采用其他方式如卧罐等储存的，但依然存在热效率低，成本高，出油不方便，加热效果不足，生产效率不高等问题。 At present, the asphalt storage facilities are generally constructed by using asphalt tanks. The storage method has the advantages of large reserves and low storage costs, but also has large defects. The heat value loss during heating is large, and the heating speed is slow, which affects the construction. schedule. The high-temperature asphalt tank is stored in the bottom of the asphalt tank. The heated asphalt is continuously swelled and floated during the actual heating process. It can only be released when the whole tank asphalt is completely melted, which is not convenient enough. There are also other methods such as storage tanks, but there are still problems such as low thermal efficiency, high cost, inconvenient oil discharge, insufficient heating effect, and low production efficiency.
发明内容 Summary of the invention
本发明要解决的技术问题是：设计一种电煤两用沥青存储加热装置，加热快，节约沥青保存和回收的成本，提高生产效率。 The technical problem to be solved by the invention is: designing an electric coal dual-purpose asphalt storage heating device, which is fast in heating, saves the cost of asphalt storage and recovery, and improves production efficiency.
要解决其技术问题所采用的技术方案为：设计一种电煤两用沥青存储加热装置，包括地炉、立罐和导热油管，其特征在于：所述地炉设置于立罐底部，其烟筒穿过立罐沿中轴线从罐顶穿出，所述立罐罐体下部呈锥形，所述立罐设置高位出口和低位出口，所述高位出口和低位出口均设有沥青导管，所述沥青导管连接沥青泵，所述立罐内壁上铺设导热油管，所述导热油管呈 s 状分组连接电加热系统；所述烟筒出口设置净化过滤管；所述烟筒出口设置顶帽；所述导热油管包括进油管和回油管；所述立罐设置取样窗；所述立罐设置外保护层，所述外保护层包括石棉；立罐底部设置排渣口；所述导热油管设置为光滑表面；所述地炉设置鼓风机。 The technical solution adopted to solve the technical problem is: designing an electric coal dual-purpose asphalt storage heating device, including a ground furnace, a vertical tank and a heat transfer oil pipe, characterized in that: the ground furnace is arranged at the bottom of the vertical tank, and the chimney thereof Passing through the vertical tank from the top of the tank along the central axis, the lower portion of the vertical tank is tapered, the vertical tank is provided with a high outlet and a low outlet, and the high outlet and the low outlet are respectively provided with an asphalt conduit, The asphalt duct is connected to the asphalt pump, and the heat transfer oil pipe is laid on the inner wall of the vertical tank, and the heat transfer oil pipe is s Connected to the electric heating system; the chimney outlet is provided with a purifying filter tube; the chimney outlet is provided with a top cap; the heat conducting oil pipe comprises an oil inlet pipe and a return oil pipe; the vertical tank is provided with a sampling window; a layer, the outer protective layer comprises asbestos; the bottom of the vertical tank is provided with a slag discharge port; the heat transfer oil pipe is arranged as a smooth surface; and the ground furnace is provided with a blower.
有益效果： 1 、本发明，电煤两用，地炉从罐体中间加热，电热导油管从罐体周边加热，加热快，热效率高，当停电时，也可以完全依靠煤加热；所述地炉隐藏式设置在地下， 可以有效节约地上空间，地炉设施包括煤炭、鼓风机等也相应转移到了地下，环境整洁。 Beneficial effects: 1 The invention has the advantages of dual-purpose electric coal, the underground furnace is heated from the middle of the tank body, the electric heating oil guiding tube is heated from the periphery of the tank body, the heating is fast, the heat efficiency is high, and when the power is cut off, the coal heating can also be completely relied on; underground, It can effectively save the space on the ground, and the furnace facilities including coal and blowers are also transferred to the underground, and the environment is clean and tidy.
2 、所述烟筒设置于立罐中轴线，地炉加热，炉火通过烟筒燃烧后从烟筒口排出，加热均匀，避免了炉火直接加热罐底时的糊底现象。 2 The chimney is arranged on the central axis of the vertical tank, and the furnace is heated. The fire is discharged from the chimney mouth after being burned by the chimney, and the heating is uniform, thereby avoiding the phenomenon of bottoming when the furnace directly heats the bottom of the tank.
3 、所述立罐设置高位出口，当罐体内温度升高时，被加热的沥青不断溶胀上升，达到高位出口时就可以打开沥青泵抽取沥青。不必等到整罐沥青完全融开再取用。高位出口和高位取料窗，沥青在其它相对水位线时还可做压力排泄孔用。 3 The vertical tank is provided with a high outlet. When the temperature inside the tank rises, the heated asphalt continuously swells and rises, and when the high outlet is reached, the asphalt pump can be opened to extract the asphalt. You don't have to wait until the entire tank of asphalt is completely melted and then taken. High level outlet and high level reclaiming window, asphalt can also be used as pressure drain hole in other relative water level lines.
4 、低位出口：在沥青水位线低于高位出口时开启使用，此时加热时间已经足够，沥青已经完全融开。高位出口和低位出口，可以根据需要设置多个。 4 Low outlet: When the asphalt water level is lower than the high outlet, the heating time is enough, and the asphalt is completely melted. The high exit and the low exit can be set as many as needed.
5 、所述导热油管呈 s 状排列，分布均匀，布局合理，扩大了热辐射面积，热效率高，同时也可以节约所用导热油管的长度。 5, the heat transfer tubing is s The arrangement is uniform, the distribution is reasonable, the layout is reasonable, the heat radiation area is enlarged, the thermal efficiency is high, and the length of the heat transfer oil pipe used can also be saved.
6 、所述烟筒出口设置净化过滤管，可以防止粉尘进入大气，有效减少废气排放，保护环境。 6. The purging pipe outlet is provided with a purifying filter tube to prevent dust from entering the atmosphere, effectively reducing exhaust gas emissions and protecting the environment.
7 、所述烟筒出口设置顶帽，可以防止雨雪等进入烟筒，降低热值，并有效阻挡大颗粒上升。 7. The top hat of the chimney outlet is arranged to prevent rain, snow and the like from entering the chimney, reduce the heat value, and effectively block the rise of large particles.
8 、所述罐体下部呈锥形，清罐时，液体沥青可以自动顺着罐壁流到排渣口。 8. The lower part of the tank body is tapered. When the tank is cleaned, the liquid asphalt can automatically flow along the tank wall to the slag discharge port.
9 、所述加热导管包括进油管和出油管，形成回路，自动实现热交换；加热导管分组设置，各组自主形成完整的回路，当一组出现故障时，不会影响其他组的正常工作，同时通过轮流开关各组的方法也便于故障排查。 9 The heating conduit includes an oil inlet pipe and an oil outlet pipe to form a loop to automatically realize heat exchange; the heating conduits are grouped and set, and each group independently forms a complete loop. When a group fails, the normal operation of the other groups is not affected, and at the same time, The method of rotating the switches is also convenient for troubleshooting.
10 、所述导热油管设置为光滑表面，当清理时，液体沥青可以自动从加热油管脱落，不会粘挂太多沥青。 10. The heat transfer oil pipe is set as a smooth surface. When cleaning, the liquid asphalt can be automatically detached from the heating oil pipe without sticking too much asphalt.
11 、设置不同高度的取料窗，可以在不同水位线高度时方便取样。 11. Set the reclaiming window of different heights to facilitate sampling at different water line heights.
12 立罐设置外保护层，夹入石棉等，可以有效的保温，防止沥青在温度降低时结块。 12 The vertical protective layer is set on the vertical tank, and asbestos is sandwiched, which can effectively keep warm and prevent the asphalt from agglomerating when the temperature is lowered.
13 、所述地炉设置鼓风机，可以送入更多的氧气，燃烧更旺，提高热效率。 13. The furnace is equipped with a blower, which can send more oxygen, which is more prosperous and improves thermal efficiency.
附图说明： BRIEF DESCRIPTION OF THE DRAWINGS:
图 1 是本发明的结构示意图 Figure 1 is a schematic view of the structure of the present invention
图 2 是本发明取料窗结构示意图 2 is a schematic view showing the structure of the take-up window of the present invention
图中： 1 地炉 2 立罐 3 导热油管 4 烟筒 5 高位出口 6 低位出口 7 沥青泵 8 电加热系统 9 沥青导管 10 净化过滤管 11 顶帽 12 排渣口 13 取样窗。 In the figure: 1 Floor furnace 2 Vertical tank 3 Heat transfer oil pipe 4 Cigarette tube 5 High outlet 6 Low outlet 7 Asphalt pump 8 Electric heating system 9 Asphalt pipe 10 Purification filter pipe 11 Top cap 12 Drainage port 13 Sampling window.
具体实施方式： detailed description:
如图所示，一种电煤两用沥青存储加热装置，包括地炉 1 、立罐 2 和导热油管 3 ，其特征在于：所述地炉 1 设置于立罐 2 底部，其烟筒 4 穿过立罐 2 沿中轴线从罐顶穿出，所述立罐 2 罐体下部呈锥形，所述立罐 2 设置高位出口 5 和低位出口 6 ，所述高位出口 5 和低位出口 6 均设有沥青导管 9 ，所述沥青导管 9 连接沥青泵 7 ，所述立罐 2 内壁上铺设导热油管 3 ，所述导热油管 3 呈 s 状分组连接电加热系统 8 ；所述烟筒 4 出口设置净化过滤管 10 ；所述烟筒 4 出口设置顶帽 11 ；所述导热油管 3 包括进油管和回油管；所述立罐 2 设置取样窗 13 ；所述立罐 2 设置外保护层，所述外保护层包括石棉；立罐 2 底部设置排渣口 12 ；所述导热油管 3 设置为光滑表面；所述地炉 1 设置鼓风机。 As shown in the figure, an electric coal dual-purpose asphalt storage heating device comprises a ground furnace 1, a vertical tank 2 and a heat transfer oil pipe 3, characterized in that: the ground furnace 1 is disposed at the bottom of the vertical tank 2, and the chimney 4 passes through the vertical tank 2 and passes through the top of the tank along the central axis. The vertical shape of the vertical tank 2 is tapered, and the vertical tank 2 is provided with a high outlet 5 and a low outlet 6 The upper outlet 5 and the lower outlet 6 are each provided with an asphalt duct 9 , and the asphalt duct 9 is connected to an asphalt pump 7 , and a heat transfer oil pipe 3 is laid on the inner wall of the vertical tank 2, and the heat transfer oil pipe 3 is s The electric heating system 8 is connected to the electric heating system 8; the purging pipe 4 is provided with a purifying filter pipe 10; the chimney 4 is provided with a top cap 11 at the outlet; the heat conducting oil pipe 3 includes an oil inlet pipe and a return oil pipe; a sampling window 13 is provided; the vertical tank 2 is provided with an outer protective layer, the outer protective layer comprises asbestos; the bottom of the vertical tank 2 is provided with a slag discharge port 12; the heat transfer oil pipe 3 is set as a smooth surface; Set the blower.
本发明，施工时先挖地槽，用以安装地炉 1 ，地槽之上安装立罐 2 ，因为立罐 2 底部收缩呈锥形在安置时要特别加固，可以采用立撑支架，解决其上大下小不够稳定的问题。地槽内可架设爬梯，方便工人操作地炉 1 ；同样的贴沿立罐 2 外壁也可架设爬梯。 According to the present invention, the ground tank is first dug during construction to install the ground furnace 1 , and the vertical tank 2 is installed above the ground tank because the vertical tank 2 The bottom contraction is tapered and needs to be specially reinforced during the installation. The stand support can be used to solve the problem that the upper and the lower are not stable enough. Ladders can be set up in the ground trough to facilitate the workers to operate the furnace 1; the same stickers can be placed along the vertical tank 2 A ladder can also be set up on the outer wall.
本发明，结构简单，操作方便，非常适宜于推广。 The invention has the advantages of simple structure and convenient operation, and is very suitable for promotion.
需要指出的是，上述实施方式仅是本发明优选的实施例，对于本领域的普通技术人员来说，在符合本发明工作原理的前提下，任何等同或者相似的替换均落入本发明的保护范围内。 It should be noted that the above embodiments are merely preferred embodiments of the present invention, and any equivalent or similar replacements fall into the protection of the present invention for those skilled in the art in accordance with the working principle of the present invention. Within the scope.

Claims (9)

  1. 一种电煤两用沥青存储加热装置，包括地炉、立罐和导热油管，其特征在于：所述地炉设置于立罐底部，其烟筒穿过立罐沿中轴线从罐顶穿出，所述立罐罐体下部呈锥形，所述立罐设置高位出口和低位出口，所述高位出口和低位出口均设有沥青导管，所述沥青导管连接沥青泵，所述立罐内壁上铺设导热油管，所述导热油管呈 s 状分组连接电加热系统。An electric coal dual-purpose asphalt storage heating device comprises a ground furnace, a vertical tank and a heat transfer oil pipe, wherein the furnace is arranged at the bottom of the vertical tank, and the chimney passes through the vertical tank and passes through the top of the tank along the central axis. The lower portion of the vertical tank body is tapered, the vertical tank is provided with a high outlet and a low outlet, and the high outlet and the low outlet are respectively provided with an asphalt conduit, and the asphalt conduit is connected with an asphalt pump, and the vertical tank is laid on the inner wall Heat transfer oil pipe, the heat transfer oil pipe is The s-group is connected to the electric heating system.
  2. 根据权利要求 1 所述的 一种电煤两用沥青存储加热装置，其特征在于：所述烟筒出口设置净化过滤管。The electric coal dual-purpose asphalt storage heating device according to claim 1, wherein the chimney outlet is provided with a purification filter tube.
  3. 根据权利要求 1 所述的 一种电煤两用沥青存储加热装置，其特征在于：所述烟筒出口设置顶帽。The electric coal dual-purpose asphalt storage heating device according to claim 1, wherein the chimney outlet is provided with a top cap.
  4. 根据权利要求 1 所述的 一种电煤两用沥青存储加热装置，其特征在于：所述导热油管包括进油管和回油管。According to claim 1 An electric coal dual-purpose asphalt storage heating device, characterized in that the heat transfer oil pipe comprises an oil inlet pipe and a return oil pipe.
  5. 根据权利要求 1 所述的 一种电煤两用沥青存储加热装置，其特征在于：所述立罐设置取样窗。The electric coal dual-purpose asphalt storage heating device according to claim 1, wherein the vertical tank is provided with a sampling window.
  6. 根据权利要求 1 所述的 一种电煤两用沥青存储加热装置，其特征在于：所述立罐设置外保护层，所述外保护层包括石棉。According to claim 1 An electric coal dual-purpose asphalt storage heating device, characterized in that: the vertical tank is provided with an outer protective layer, and the outer protective layer comprises asbestos.
  7. 根据权利要求 1 所述的 一种电煤两用沥青存储加热装置，其特征在于：立罐底部设置排渣口。The electric coal dual-purpose asphalt storage heating device according to claim 1, wherein the bottom of the vertical tank is provided with a slag discharge port.
  8. 根据权利要求 1 所述的 一种电煤两用沥青存储加热装置，其特征在于：所述导热油管设置为光滑表面。The electric coal dual-purpose asphalt storage heating device according to claim 1, wherein the heat transfer oil pipe is provided as a smooth surface.
  9. 根据权利要求 1 所述的 一种电煤两用沥青存储加热装置，其特征在于：所述地炉设置鼓风机。The electric coal dual-purpose asphalt storage heating device according to claim 1, wherein the ground furnace is provided with a blower.
PCT/CN2014/087518 2013-10-08 2014-09-26 Asphalt storing and heating apparatus using electricity/coal WO2015051710A1 (en)

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CN105908604A (en) * 2016-05-03 2016-08-31 徐州徐工筑路机械有限公司 Conduction oil heating device for pavement maintenance equipment
CN106758688A (en) * 2017-01-06 2017-05-31 金陵科技学院 Can be to the flow rate of asphalt weighing device of the uniform heating of pitch
WO2020110024A1 (en) 2018-11-28 2020-06-04 Hoogmartens Wegenbouw N.V. Buffer system for storing asphalt
CN112843980A (en) * 2021-01-12 2021-05-28 大连交通大学 Pitch self-heating goes out barreled and puts
CN113913209A (en) * 2021-10-26 2022-01-11 湖南嘉力亚新材料有限公司 Modified asphalt melting equipment in prebaked anode production
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CN103496523A (en) * 2013-10-08 2014-01-08 王猛 Electricity-coal dual-purpose asphalt storage heating device
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CN105908604A (en) * 2016-05-03 2016-08-31 徐州徐工筑路机械有限公司 Conduction oil heating device for pavement maintenance equipment
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CN113913209A (en) * 2021-10-26 2022-01-11 湖南嘉力亚新材料有限公司 Modified asphalt melting equipment in prebaked anode production
CN115158907A (en) * 2022-08-08 2022-10-11 濮阳市畅通路桥养护有限公司 Easy-to-operate asphalt storage tank for highway construction

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