CN111962358A - Solid block-shaped asphalt rapid melting device - Google Patents

Solid block-shaped asphalt rapid melting device Download PDF

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Publication number
CN111962358A
CN111962358A CN202010844580.8A CN202010844580A CN111962358A CN 111962358 A CN111962358 A CN 111962358A CN 202010844580 A CN202010844580 A CN 202010844580A CN 111962358 A CN111962358 A CN 111962358A
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CN
China
Prior art keywords
asphalt
solid block
melting
heat carrier
device main
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Pending
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CN202010844580.8A
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Chinese (zh)
Inventor
王震
王宁
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Shandong Kant Fumei Color Asphalt Engineering Co ltd
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Shandong Kant Fumei Color Asphalt Engineering Co ltd
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Priority to CN202010844580.8A priority Critical patent/CN111962358A/en
Publication of CN111962358A publication Critical patent/CN111962358A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/02Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
    • E01C19/10Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
    • E01C19/1004Reconditioning or reprocessing bituminous mixtures, e.g. salvaged paving, fresh patching mixtures grown unserviceable; Recycling salvaged bituminous mixtures; Apparatus for the in-plant recycling thereof

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Machines (AREA)
  • Working-Up Tar And Pitch (AREA)

Abstract

The invention discloses a device for rapidly melting solid block asphalt, which comprises a device main body with an internal cavity, wherein a material elevator is arranged above the top of the device main body, a material falling port is arranged on the top surface of the device main body, a solid block asphalt constant-temperature thermal cutting system is arranged in the material falling port, the material elevator can convey the solid block asphalt to the material falling port, and the solid block asphalt is directly fallen into the internal cavity of the device main body after being divided by the solid block asphalt constant-temperature thermal cutting system; install horizontal stirring disperse system and pitch heating system of melting in the inside cavity of device main part, pitch heating system of melting is located horizontal stirring disperse system's below and is connected with a row of cigarette system. The device effectively solves the problems of uneven heating, low melting speed and high energy consumption of the blocky asphalt, avoids repeatedly heating the asphalt and has the effect of preventing the asphalt from aging.

Description

Solid block-shaped asphalt rapid melting device
Technical Field
The invention relates to the technical field of building material production, in particular to a device for quickly melting solid block asphalt.
Background
Asphalt has the physical properties of being solid at normal temperature and liquid at high temperature, and solid asphalt is difficult to melt and is inconvenient to use, so the asphalt is generally melted at high temperature in advance to form liquid asphalt and then is transported to a use place by using a specific asphalt transport vehicle. The asphalt transport vehicle adopts iron sheet outer packing and high-tech heat insulation material lining, has long heat preservation time, is provided with a heating pipe in the tank body for heat conduction, and has three heating modes of steam type, coal heating type and diesel blast lamp type. However, the transportation of asphalt by asphalt transport vehicles has the disadvantages of high risk, repeated heating, high cost in remote areas, and the like.
At present, the prior art also has a process for melting block asphalt on site, generally the prior art is oil bath immersion melting, but the melting device has defects in structure, so that the block asphalt is easily heated unevenly, the melting speed is low, the asphalt is easily aged, and simultaneously, the energy consumption is very high because all the asphalt in the melting device must be heated for a long time in the heating process.
Therefore, how to improve the existing solid block asphalt melting device to solve the above problems is a research direction of those skilled in the art.
Disclosure of Invention
Therefore, the invention aims to provide a device for rapidly melting solid block asphalt to solve the limitation of the solid asphalt in use, and the specific technical scheme is as follows:
a solid block asphalt rapid melting device comprises a device main body with an internal cavity, wherein a material lifting machine is arranged above the top of the device main body, a material falling opening is formed in the top surface of the device main body, a solid block asphalt constant-temperature thermal cutting system is arranged in the material falling opening, the material lifting machine can convey solid block asphalt to the material falling opening, and the solid block asphalt directly falls into the internal cavity of the device main body after being divided by the solid block asphalt constant-temperature thermal cutting system; install horizontal stirring disperse system and pitch heating system of melting in the inside cavity of device main part, pitch heating system of melting is located horizontal stirring disperse system's below and is connected with a row of cigarette system.
By adopting the technical scheme, the device for quickly melting the solid block asphalt disclosed by the invention firstly leads the block asphalt with the volume to pass through the solid block asphalt constant-temperature hot cutting system, and utilizes the system to quickly cut the block asphalt into small semi-solid asphalt, so that the purpose is as follows: firstly, the heating area of the solid asphalt is increased; secondly, the blocky asphalt is preheated and melted to be in a flowing state. The semi-solid asphalt of the small block falls into the inner cavity of the device main body by means of self gravity and is heated and melted by the asphalt heating and melting system, and during the period, the semi-solid asphalt of the small block is still dispersed at a constant speed through horizontal stirring, so that the small block asphalt entering the inner cavity of the device main body is rapidly melted.
The device effectively solves the problems of uneven heating, low melting speed and high energy consumption of the blocky asphalt, avoids repeatedly heating the asphalt and has the effect of preventing the asphalt from aging.
On the basis of the technical scheme, the invention can be improved as follows:
preferably, the material lifting machine is a rotary material lifting machine.
The rotary material hoister can automatically and quickly convey solid blocky asphalt to the material falling opening of the device main body, the operation is convenient and labor-saving, and the labor intensity is greatly reduced.
Preferably, the solid massive asphalt constant-temperature thermal cutting system comprises a constant-temperature heat carrier circulating system, wherein the constant-temperature heat carrier circulating system consists of a parallel reciprocating type coil pipe, a heat carrier inflow pipe and a heat carrier outflow pipe, the heat carrier inflow pipe and the heat carrier outflow pipe are arranged on the same side of the parallel reciprocating type coil pipe and are respectively communicated with two ports of the parallel reciprocating type coil pipe; the heat carrier inflow pipe and the heat carrier outflow pipe penetrate through the side wall of the device body to extend out of the device body and are communicated with a heat carrier heating storage container corresponding to the outside.
A constant-temperature heat carrier flows in a pipeline of the solid blocky asphalt constant-temperature hot cutting system in a circulating mode, when massive blocky asphalt contacts the outer surface of the pipeline, the massive blocky asphalt can be melted into a plurality of small blocks of semi-solid asphalt, and then the small blocks of semi-solid asphalt pass through gaps between the pipelines and fall into an inner cavity of the device main body.
Preferably, the heat carrier is heat conduction oil.
Preferably, when the parallel reciprocating type coil pipe is installed, the plane formed by the parallel reciprocating type coil pipe is parallel to the horizontal plane, so that massive asphalt with large volume can be rapidly cut.
Preferably, the distance between two adjacent parallel pipelines in the parallel reciprocating type coil pipe is 5-10cm, so that the diameter of the small semi-solid asphalt after being divided is 5-10cm, and tests prove that the small semi-solid asphalt with the size is easier to stir and quickly melt.
Preferably, the horizontal stirring and dispersing system comprises a low-speed high-torque power motor located outside the device main body, and a horizontal stirring rod located in a cavity inside the device main body and connected with an output shaft of the low-speed high-torque power motor, wherein a plurality of stirring blades are vertically and uniformly installed on a rod body of the horizontal stirring rod.
The low-speed high-torque power motor has the characteristics of simplified structure, high efficiency, energy conservation, good torque performance and multiple motor operation modes, and can adopt various modes such as continuous operation, interval operation, variable-speed operation, forward and reverse rotation operation and the like according to the asphalt stirring requirement.
Preferably, the asphalt heating and melting system comprises a burner positioned outside the device main body and a directly-heated temperature raising system positioned in the cavity inside the device main body and communicated with the burner, and one end, far away from the burner, of the directly-heated temperature raising system is connected with the smoke exhaust system.
The combustor can make the direct-heating type heating system heat up fast, and the high temperature of direct-heating type heating system can melt into liquid pitch fast with the fritter semi-solid pitch that falls into in the inside cavity of device main part.
Preferably, the directly-heated type heating system comprises a combustion chamber and a plurality of rows of heat dissipation pipes communicated with the tail end of the combustion chamber, the head end of the combustion chamber is communicated with the combustor, and the tail end of each heat dissipation pipe is communicated with the smoke exhaust system.
Preferably, the combustor is a gas combustor.
Preferably, the lower part of the device body is provided with a liquid asphalt discharge port, and an asphalt pumping-out device is further installed at the liquid asphalt discharge port.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a device for rapidly melting solid block asphalt according to the present invention.
Wherein, in the figure,
1-device body, 2-material elevator, 3-material falling opening, 4-parallel reciprocating type coil pipe, 5-heat carrier inflow pipe, 6-heat carrier outflow pipe, 7-internal cavity, 8-low-speed high-torque power motor, 9-horizontal stirring rod, 10-stirring blade, 11-burner, 12-directly-heated type heating system, 13-combustion chamber, 14-radiating pipe and 15-smoke exhaust system.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The solid block asphalt rapid melting device according to the embodiment of the present invention is described in detail with reference to fig. 1.
Example (b):
as shown in fig. 1, the device for rapidly melting solid block asphalt according to the embodiment of the present invention includes a device main body 1 having an internal cavity 7, a material elevator 2 is installed above the top of the device main body 1, a material dropping opening 3 is provided on the top surface of the device main body 1, a solid block asphalt constant temperature thermal cutting system is installed in the material dropping opening 3, the material elevator 2 can transport solid block asphalt to the material dropping opening 3, and the solid block asphalt directly falls into the internal cavity 7 of the device main body 1 after being divided by the solid block asphalt constant temperature thermal cutting system; a horizontal stirring dispersion system and an asphalt heating and melting system are installed in an inner cavity 7 of the device main body 1, and the asphalt heating and melting system is located below the horizontal stirring dispersion system and connected with a smoke discharge system 15.
In one embodiment of the present invention, the material elevator 2 preferably uses a rotary material elevator, which can be not limited by height, can lift the material high enough, and can also rotate to rapidly transport the solid block asphalt located on site to the material dropping hole 3.
In a specific embodiment of the invention, the solid block asphalt constant-temperature thermal cutting system comprises a constant-temperature heat carrier circulation system, wherein the constant-temperature heat carrier circulation system consists of a parallel reciprocating type coil pipe 4, a heat carrier inflow pipe 5 and a heat carrier outflow pipe 6, the heat carrier inflow pipe 5 and the heat carrier outflow pipe 6 are arranged on the same side of the parallel reciprocating type coil pipe 4 and are respectively communicated with two ports of the parallel reciprocating type coil pipe 4; a heat carrier inflow pipe 5 and a heat carrier outflow pipe 6 penetrate through the side wall of the device body 1 to extend out of the device body 1 and are communicated with a heat carrier heating and storing container corresponding to the outside; a circulating pump for circulating the heat carrier in the parallel reciprocating coil 4 is also arranged in the heat carrier heating storage container and on the heat carrier inflow pipe 5 or the heat carrier outflow pipe 6. Wherein, the heat carrier is preferably heat transfer oil.
Further, when the parallel reciprocating type coil pipe 4 is installed, the plane formed by the parallel reciprocating type coil pipe 4 is parallel to the horizontal plane. Furthermore, the distance between two adjacent parallel pipelines in the parallel reciprocating type coil pipe 4 is 5-10 cm.
The heat conducting oil heated in the heat carrier heating storage container is sent to the heat carrier inflow pipe 5 through the circulating pump, then flows through the parallel reciprocating type coil pipe 4, and finally flows back to the heat carrier heating storage container again from the heat carrier outflow pipe 6, and in the process of continuous circulation of the heat conducting oil, the constant temperature of the heat conducting oil in the parallel reciprocating type coil pipe 4 is ensured, so that massive asphalt with large volume can be quickly divided into semi-solid asphalt with the diameter of 5-10cm, the heating area of the solid asphalt is increased, and the massive asphalt is preliminarily preheated and melted to be in a flowing state.
In one embodiment of the present invention, the asphalt heating and melting system comprises a burner 11 located outside the apparatus body 1, and a direct-heating type temperature raising system 12 located in the cavity 7 inside the apparatus body 1 and communicated with the burner 11, wherein the burner 11 is preferably a gas burner.
Specifically, the directly-heated temperature raising system 12 comprises a combustion chamber 13 and a plurality of rows of heat dissipation pipes 14 communicated with the tail end of the combustion chamber 13, the head end of the combustion chamber 13 is communicated with a burner 11, the burner 11 is started to rapidly raise the temperature of the combustion chamber 13, then the combustion chamber 13 sends high-temperature flue gas into the heat dissipation pipes 14, and the heat dissipation pipes 14 can rapidly melt small blocks of semi-solid asphalt falling into the inner cavity 7 of the device main body 1 into liquid asphalt; the tail end of the radiating pipe 14 is communicated with a smoke exhausting system 15 to exhaust the smoke inside the radiating pipe.
In an embodiment of the invention, the horizontal stirring and dispersing system comprises a low-speed high-torque power motor 8 positioned outside the device main body 1, a horizontal stirring rod 9 positioned in the cavity 7 inside the device main body 1 and connected with an output shaft of the low-speed high-torque power motor 8, and a plurality of stirring blades 10 are vertically and uniformly arranged on a rod body of the horizontal stirring rod 9. The low-speed high-torque power motor 8 can drive the horizontal stirring rod 9 and the stirring blade 10 to rotate at a constant speed, so that small semi-solid asphalt falling into the cavity 7 in the device main body 1 is stirred, and the direct-heating type heating system 12 is helped to melt rapidly under high-temperature heating.
The lower part of the device body 1 is provided with a liquid asphalt discharge port, and an asphalt pumping device is further arranged at the liquid asphalt discharge port to discharge the melted liquid asphalt in the internal cavity 7 to the outside of the device body 1 in a specified amount.
The device for rapidly melting the solid block asphalt is suitable for being directly used in an asphalt using site and can rapidly melt the block asphalt with large volume, so that the problems of high risk, repeated heating and high cost in remote areas in asphalt transportation are solved, the problems of nonuniform heating, low melting speed and high energy consumption in the field melting process of the conventional block asphalt are solved, and the aging of the asphalt is effectively prevented.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The device for rapidly melting solid block asphalt is characterized by comprising a device main body (1) with an internal cavity (7), wherein a material lifting machine (2) is installed above the top of the device main body (1), a material falling port (3) is formed in the top surface of the device main body (1), a solid block asphalt constant-temperature thermal cutting system is installed in the material falling port (3), the material lifting machine (2) can convey solid block asphalt into the material falling port (3), and the solid block asphalt directly falls into the internal cavity (7) of the device main body (1) after being divided by the solid block asphalt constant-temperature thermal cutting system; install horizontal stirring disperse system and pitch heating system of melting in the inside cavity (7) of device main part (1), pitch heating system of melting is located horizontal stirring disperse system's below and is connected with one row of cigarette system (15).
2. The device for rapidly melting solid block asphalt as claimed in claim 1, wherein the material elevator (2) is a rotary material elevator.
3. The device for rapidly melting solid block asphalt according to claim 1, wherein the constant temperature thermal cutting system for solid block asphalt comprises a constant temperature heat carrier circulation system, and the constant temperature heat carrier circulation system comprises a parallel reciprocating type coil pipe (4), and a heat carrier inflow pipe (5) and a heat carrier outflow pipe (6) which are arranged on the same side of the parallel reciprocating type coil pipe (4) and are respectively communicated with two ports of the parallel reciprocating type coil pipe (4); the heat carrier inflow pipe (5) and the heat carrier outflow pipe (6) penetrate through the side wall of the device body (1) to extend out of the device body (1) and are communicated with a heat carrier heating storage container corresponding to the outside.
4. The device for rapidly melting solid block asphalt according to claim 3, wherein the heat carrier is heat transfer oil.
5. A solid block asphalt fast melting device according to claim 3, characterized in that, when the parallel reciprocating coil (4) is installed, the plane formed by the parallel reciprocating coil (4) is parallel to the horizontal plane.
6. A solid block asphalt fast melting device according to claim 3, characterized in that the distance between two adjacent parallel pipes in the parallel reciprocating type coil pipe (4) is 5-10 cm.
7. The device for rapidly melting solid block asphalt according to claim 1, wherein the horizontal stirring and dispersing system comprises a low-speed high-torque power motor (8) positioned outside the device body (1), and a horizontal stirring rod (9) positioned in a cavity (7) inside the device body (1) and connected with an output shaft of the low-speed high-torque power motor (8), and a plurality of stirring blades (10) are vertically and uniformly arranged on a rod body of the horizontal stirring rod (9).
8. The device for rapidly melting solid block asphalt according to claim 1 or 7, wherein the asphalt heating and melting system comprises a burner (11) located outside the device body (1), and a directly-heated temperature raising system (12) located in the cavity (7) inside the device body (1) and communicated with the burner (11), and one end of the directly-heated temperature raising system (12) far away from the burner (11) is connected with the smoke exhaust system (15).
9. The apparatus for rapidly melting solid asphalt block as claimed in claim 8, wherein said directly heated temperature raising system (12) comprises a combustion chamber (13) and a plurality of rows of heat pipes (14) communicated with the tail end of said combustion chamber (13), the head end of said combustion chamber (13) is communicated with said burner (11), and the tail end of said heat pipes (14) is communicated with said smoke exhaust system (15).
10. The device for rapidly melting solid block asphalt according to claim 1, wherein the lower part of the device body (1) is provided with a liquid asphalt discharge port, and an asphalt pumping device is further installed at the liquid asphalt discharge port.
CN202010844580.8A 2020-08-20 2020-08-20 Solid block-shaped asphalt rapid melting device Pending CN111962358A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010844580.8A CN111962358A (en) 2020-08-20 2020-08-20 Solid block-shaped asphalt rapid melting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010844580.8A CN111962358A (en) 2020-08-20 2020-08-20 Solid block-shaped asphalt rapid melting device

Publications (1)

Publication Number Publication Date
CN111962358A true CN111962358A (en) 2020-11-20

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Application Number Title Priority Date Filing Date
CN202010844580.8A Pending CN111962358A (en) 2020-08-20 2020-08-20 Solid block-shaped asphalt rapid melting device

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113550201A (en) * 2021-08-31 2021-10-26 丁茂 Asphalt dispensing device for highway construction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113550201A (en) * 2021-08-31 2021-10-26 丁茂 Asphalt dispensing device for highway construction

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Address after: 253011 xiaoyuzhuang village, huangheya Town, Decheng District, Dezhou City, Shandong Province

Applicant after: Shandong Kangde Fumei greenway Co.,Ltd.

Address before: 253011 xiaoyuzhuang village, huangheya Town, Decheng District, Dezhou City, Shandong Province

Applicant before: Shandong Kant Fumei color asphalt Engineering Co.,Ltd.