CN219120790U - Multi-energy complementary device for asphalt heating - Google Patents

Abstract

The utility model provides a multifunctional complementary device for heating asphalt, which comprises: solar heating part, boiler heating part, pitch storage jar. The solar heating part comprises a light gathering reflector and a heating pipe; the boiler heating part is provided with a heating boiler, a solar heating pipeline and a boiler heating pipeline are arranged in the asphalt storage tank, the solar heating pipeline is connected with the heating pipe to form a loop, and the boiler heating pipeline is connected with the heating boiler to form a loop. Through setting up solar heating portion and boiler heating portion, distribute two sets of heating pipeline inside the pitch storage tank, formed solar heating and the complementary heating system of boiler heating, solar heating and boiler heating can be operated alone, also can be operated simultaneously, improved production efficiency.

Description

Multi-energy complementary device for asphalt heating

Technical Field

The utility model relates to the technical field of asphalt heating, in particular to a multifunctional complementary device for asphalt heating.

Background

Asphalt is used as an organic cementing compound for buildings, and is composed of derivatives of oxygen, nitrogen and sulfur and some high-molecular hydrocarbon. Asphalt has good cohesiveness, shaping, open fire resistance, water heating resistance and the like, so that the asphalt is mainly used as a raw material for road construction engineering.

The whole process of asphalt production, transportation and use is not heated, and the traditional asphalt heating modes are generally coal-fired, gas-fired and other heating modes, so that the heating modes waste energy and pollute the environment. Another heating method in the prior art is to heat asphalt by solar energy, but the heating of asphalt by solar energy has the problems of long heating time, low heating temperature, easy occurrence of faults and the like. And the single heating mode is used for heating asphalt, once a certain device fails, the whole asphalt heating wire is stopped, and the engineering progress is delayed, so that the loss is caused.

Disclosure of Invention

In order to solve the problems, the utility model aims to provide a multifunctional complementary device for heating asphalt. Through setting up solar heating portion and boiler heating portion, distribute two sets of heating pipeline inside the pitch storage tank, formed solar heating and the complementary heating system of boiler heating, solar heating and boiler heating can be operated alone, also can be operated simultaneously, the heating time overlength that appears when having overcome when using single heating mode heating pitch when two simultaneous operation, heating temperature is not enough, and when one of them system breaks down, need not to stop pitch heating work, another set of system can continue to provide heat for pitch heating, can not delay the work progress, production efficiency has been improved.

In order to achieve the above object, the present utility model provides a multi-energy complementary device for heating asphalt, comprising: solar heating part, boiler heating part, pitch storage jar. The solar heating part comprises a light-gathering reflector and a heating pipe, the light-gathering reflector is provided with a cylindrical paraboloid which can reflect and focus sunlight, the heating pipe is arranged at the central axis of the cylindrical paraboloid, and the interior of the heating pipe is hollow and can be used for heating oil to pass through; the boiler heating part is provided with a heating boiler; the inside of the asphalt storage tank is provided with a solar heating pipeline and a boiler heating pipeline, and the inside of the solar heating pipeline and the inside of the boiler heating pipeline are hollow and can be used for heating oil to pass through; the solar heating pipeline is connected with the heating pipe to form a loop, and the boiler heating pipeline is connected with the heating boiler to form a loop.

Through setting up solar heating portion and boiler heating portion, distribute two sets of heating pipeline inside the pitch storage tank, formed solar heating and the complementary heating system of boiler heating, solar heating and boiler heating can be operated alone, also can be operated simultaneously, the heating time overlength that appears when having overcome when using single heating mode heating pitch when two simultaneous operation, heating temperature is not enough, and when one of them system breaks down, need not to stop pitch heating work, another set of system can continue to provide heat for pitch heating, can not delay the work progress, production efficiency has been improved.

Further, the heating pipe is bilayer structure, and the outer tube is transparent glass pipe, and the inlayer tube is the metal pipe, and the surface of inlayer tube is provided with heat absorption coating, is the vacuum between inlayer tube and the outer tube. The transparent glass tube can furthest transmit sunlight, the metal tube coated with the heat absorption coating has good heat conduction performance, the focused solar heat can be well conducted to heating oil, and the vacuum environment between the inner layer tube and the outer layer tube improves the heat conduction efficiency.

Furthermore, the solar heating pipeline and the boiler heating pipeline are composed of hollow metal pipes through which heating oil can pass. The metal material has good heat conduction performance, and can transfer the heat energy carried by the heating oil to the asphalt well.

Further, a steering bracket is arranged below the solar heating part and supports the solar heating part, and the steering bracket can enable the light gathering reflector to rotate around the heating pipe. The angle of the light collecting reflector is convenient to adjust, so that the light collecting reflector faces the direct sunlight point, and solar energy can be collected to the maximum extent.

Further, the solar heating parts form a first-stage heating part, the solar heating parts form a second-stage heating part, and the heating oil flows through the first-stage heating part and then flows through the second-stage heating part to the asphalt storage tank. The multiple solar heating parts are combined and placed, so that heating efficiency can be effectively improved, heating oil can enter the second-stage heating part for reheating after being heated by the first-stage heating part through two-stage arrangement of the heating parts, and the heating oil can be ensured to keep a higher temperature when entering the asphalt storage tank.

Further, a first high-level oil tank is arranged between the solar heating part and the asphalt storage tank, and a second high-level oil tank is arranged between the heating boiler and the asphalt storage tank. The heating oil in the pipeline is conveniently supplemented.

Further, a temperature control heat conduction oil boiler is arranged between the first high-level oil tank and the asphalt storage tank. The temperature control heat conduction oil boiler can play a role in supplementing heat to the solar heating part.

Further, a flow regulating valve is arranged between the heating boiler and the asphalt storage tank. The flow of heating oil in the pipeline can be controlled, and the temperature in the asphalt storage tank can be indirectly controlled.

Further, a temperature detector is arranged at the outlet of the temperature control heat conduction boiler. Prevent overheating and damage to the pipeline.

Further, a conduction oil pressurizing pump is arranged between the first high-level oil tank and the temperature control conduction oil boiler. The heating oil is pressurized to push the heating oil to flow in the pipeline.

Drawings

The drawings described herein are only for aiding those skilled in the art in understanding the technical aspects of the present utility model, and the exemplary embodiments described in conjunction with the drawings are only for explaining the technical aspects of the present utility model, not for limiting the scope of the present utility model unduly. In the drawings:

FIG. 1 is an overall schematic diagram of a multi-functional complementary device for asphalt heating according to an embodiment of the present utility model;

fig. 2 is a schematic perspective view of a solar heating unit according to an embodiment of the present utility model;

FIG. 3 is a side view of a solar heating portion according to an embodiment of the present utility model;

fig. 4 is an assembled schematic view of a solar heating portion according to an embodiment of the present utility model.

List of reference numerals:

1. a solar heating unit; 11. a light collecting reflector; 12. heating pipes;

21. a heating boiler;

3. an asphalt storage tank; 31. a solar heating pipeline; 32. a boiler heating pipeline;

4. a steering bracket; 41. a fixing frame; 42. driven wheel; 43. reversing the motor; 44. a driving wheel;

51. a first-stage heating section; 52. a secondary heating section;

61. a first high-level oil tank; 62. a second high-level oil tank;

7. a temperature-controlled heat-conducting oil boiler;

8. a flow regulating valve;

9. a temperature measurer;

10. and a heat conducting oil pressurizing pump.

Detailed Description

In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, the description with reference to the terms "one aspect," "some aspects," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the present utility model. In this specification, the schematic representations of the above terms are not necessarily for the same scheme or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.

As shown in fig. 1 to 4, the present utility model provides a multi-functional complementary apparatus for asphalt heating, comprising: a solar heating part 1, a boiler heating part and an asphalt storage tank 3. The solar heating part 1 and the boiler heating part are two sets of heating systems for heating the asphalt in the asphalt storage tank 3, the two sets of heating systems are mutually matched, and the heat energy is complementary, so that a better heating effect can be achieved.

As shown in fig. 2, the solar heating part 1 includes a light collecting reflector 11 and a heating pipe 12, the light collecting reflector 11 is shaped like a boat sail, the light collecting reflector 11 is provided with a cylindrical paraboloid capable of reflecting and focusing sunlight, namely a concave surface as shown, and the surface is used for collecting and reflecting sunlight, so that the surface is usually made of a reflective material, and most commonly, an aluminized polyester film is paved on the surface, and the aluminized polyester film has high reflectivity and high temperature resistance. The heating pipe 12 is arranged at the position of the central axis of the cylindrical paraboloid, the heating pipe 12 is hollow and can be used for heating oil to pass through, the position of the central axis of the cylindrical paraboloid is a sunlight focusing position, the heating pipe 12 is of a double-layer structure, the outer layer pipe is a transparent glass pipe, the inner layer pipe is a metal pipe, the outer surface of the inner layer pipe is provided with a heat absorption coating, vacuum is arranged between the inner layer pipe and the outer layer pipe, the transparent glass pipe can furthest penetrate sunlight, the metal pipe coated with the heat absorption coating has good heat conduction performance, focused solar heat can be well conducted to the heating oil, and the vacuum environment between the inner layer pipe and the outer layer pipe improves the heat conduction efficiency.

The position of the light collecting reflector 11 is not fixed, the reflecting surface of the light collecting reflector 11 needs to be aligned with the direct point of sunlight to utilize solar energy to the maximum extent, a steering bracket 4 is arranged below the solar heating part, the steering bracket 4 supports the solar heating part 1, and the steering bracket 4 can enable the light collecting reflector 11 to rotate around the heating pipe 12. As shown in the drawing, the embodiment provides a rotation mode of the light collecting reflector 11, a tripod on two sides in the drawing supports the heating tube 12, one end of the fixing frame 41 is a connecting beam, the connecting beam is fixedly connected with the back of the light collecting reflector 11, two sections of the connecting beam vertically extend out of two connecting arms, the end parts of the connecting arms are fixed with driven wheels 42 (the driven wheels 42 are gears, teeth on the circumference of the gears are not shown in the drawing), a bearing is arranged in the center of the driven wheels 42, the heating tube 12 passes through the bearing, and the light collecting reflector 11 can rotate around the heating tube 12. The upper end of the steering bracket 4 is fixed with a reversing motor 43, the reversing motor 43 can be a stepping motor, an output shaft of the reversing motor 43 is connected with a speed reducer, an output shaft of the speed reducer is connected with a driving wheel 44 (the driving wheel 44 is a gear, circumferential teeth of the gear are not shown in the figure), and the driving wheel 44 is meshed with the driven wheel 42. The rotation of the motor can be manually controlled to control the rotation of the condensing reflector 11 to align the light source. The controller can be connected, and the automatic light following of the light collecting reflector can be realized through a set program.

As shown in fig. 4, the solar heating sections 1 may be used in combination. As shown in fig. 1, two rows of solar heating units 1 form a primary heating unit 51, the other two rows of solar heating units form a secondary heating unit 52, and referring to the heating oil flow line in fig. 1, the left two rows are primary heating units 51, the right two rows are secondary heating units 52, and heating oil flows from top to bottom, first through the primary heating unit 51, merges at the bottom, then flows from bottom to top through the secondary heating unit 52, and then flows to the asphalt storage tank 3. The solar heating parts 1 are combined and placed, so that heating efficiency can be effectively improved, heating oil can enter the second-stage heating part 52 for reheating after being heated by the first-stage heating part 51 through two-stage arrangement of the heating parts, and the heating oil can be ensured to keep a higher temperature when entering the asphalt storage tank.

The boiler heating part is provided with a heating boiler 21; the boiler can be a common fuel boiler or an electric heating boiler, and can heat the heating oil to a desired temperature according to requirements.

As shown in fig. 1, the asphalt storage tank 3 is provided with a solar heating pipe 31 and a boiler heating pipe 32, which are folded, or may be provided in other shapes such as a spiral shape, so that a sufficiently large heating area can be ensured. The solar heating pipeline 31 and the boiler heating pipeline 32 are hollow, and can be used for heating oil to pass through; the solar heating pipe 31 is connected to the heating pipe 12 to form a circuit, and the boiler heating pipe 32 is connected to the heating boiler 21 to form a circuit. The solar heating pipe 31 and the boiler heating pipe 32 are composed of hollow metal pipes through which heating oil can pass. The metal material has good heat conduction performance, and can transfer the heat energy carried by the heating oil to the asphalt well. A first high-level oil tank 61 is arranged between the solar heating part 1 and the asphalt storage tank 3, a second high-level oil tank 62 is arranged between the heating boiler 21 and the asphalt storage tank 3, and the high-level oil tank is an oil tank which stores heating oil and is relatively high in position, and the oil tank is arranged at a high level to provide certain pressure for the flow of the heating oil. The heating oil in the pipeline is conveniently supplemented. A conduction oil pressurizing pump 10 is arranged between the first high-level oil tank 61 and the temperature control conduction oil boiler 7. The heating oil is pressurized to push the heating oil to flow in the pipeline. A temperature control heat conduction oil boiler 7 is arranged between the first high-level oil tank 61 and the asphalt storage tank 3. The temperature control heat conduction oil boiler 7 can supplement heat to the solar heating part 1. A temperature detector 9 is arranged at the outlet of the temperature control heat conduction boiler 7. The temperature of the heating oil can be monitored, so that overheating is prevented, and a pipeline is damaged. A flow regulating valve 8 is arranged between the heating boiler 21 and the asphalt storage tank 3. The flow rate of the heating oil in the pipeline can be controlled, and the temperature in the asphalt storage tank 3 can be indirectly controlled.

The operation flow of the whole device is as follows, the first high-level oil tank 61 is opened, and the heating oil is fully distributed in the pipeline through the pressurizing action of the heat conducting oil pressurizing pump 10. The solar heating part 1 is turned on, and the light collecting reflector 11 reflects the focused sunlight to the heating pipe 12 to heat the heating oil therein. The heating oil flows through the first-stage heating part 51 from top to bottom, is converged at the lower part, flows through the second-stage heating part 52 from bottom to top, flows into the temperature-control heat-conducting oil boiler 7 after being pressurized again by the heat-conducting oil pressurizing pump 10, starts the temperature-control heat-conducting oil boiler 7 if the temperature of the heating oil does not reach the expected temperature at the moment, and heats the heating oil again, then flows into the solar heating pipeline 31 to heat asphalt, the temperature of the heating oil flowing through the asphalt storage tank 3 is reduced, and flows back to the solar heating part 1 to start the next round of circulation heating. The second high-level oil tank 62 is opened, heating oil flows into the heating boiler 21, the heating boiler 21 heats the heating oil to a preset temperature, the heating oil flows into the boiler heating pipeline 32 to heat asphalt, the temperature of the heating oil passing through the asphalt storage tank 3 is reduced, and the heating oil flows back to the heating boiler to start the next round of circulation heating. The two sets of systems can be used independently or can be opened simultaneously to carry out heat complementation.

Through setting up solar heating portion 1 and boiler heating portion, distribute two sets of heating pipeline inside pitch storage jar 3, solar heating and the complementary heating system of boiler heating have been formed, solar heating and boiler heating can be operated alone, also can be operated simultaneously, the defect that the heating time overlength that appears when having overcome when using single heating method heating pitch when two simultaneous operation, and when one of them system breaks down, need not to stop pitch heating work, another set of system can continue to provide heat for pitch heating, can not delay work progress, production efficiency has been improved.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for system embodiments, since they are substantially similar to method embodiments, the description is relatively simple, as relevant to see a section of the description of method embodiments.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims (10)

1. A multi-functional complementary device for heating asphalt, comprising:

the solar heating part comprises a light collecting reflector and a heating pipe, wherein the light collecting reflector is provided with a cylindrical paraboloid which can reflect and focus sunlight, the heating pipe is arranged at the position of the central axis of the cylindrical paraboloid, and the interior of the heating pipe is hollow and can be used for heating oil to pass through;

a boiler heating part provided with a heating boiler;

the asphalt storage tank is internally provided with a solar heating pipeline and a boiler heating pipeline, and the solar heating pipeline and the boiler heating pipeline are hollow and can be used for heating oil to pass through; the solar heating pipeline is connected with the heating pipe to form a loop, and the boiler heating pipeline is connected with the heating boiler to form a loop.

2. The multi-functional complementary device for asphalt heating according to claim 1, wherein the heating pipe has a double-layer structure, the outer layer pipe has a transparent glass pipe, the inner layer pipe has a metal pipe, the outer surface of the inner layer pipe is provided with a heat absorbing coating, and vacuum is provided between the inner layer pipe and the outer layer pipe.

3. The multi-energy complementary device for asphalt heating according to claim 1, wherein the solar heating pipeline and the boiler heating pipeline are composed of hollow metal pipes through which heating oil can pass.

4. A multi-energy complementary device for heating asphalt according to claim 1, wherein a steering bracket is provided below the solar heating portion, the steering bracket supporting the solar heating portion, the steering bracket being operable to rotate the light collecting reflector about the heating tube.

5. The multi-energy complementary device for asphalt heating according to claim 1, wherein a plurality of solar heating parts form a primary heating part, a plurality of solar heating parts form a secondary heating part, and heating oil flows through the primary heating part and then flows through the secondary heating part to the asphalt storage tank.

6. The multi-functional complementary device for asphalt heating according to claim 1, wherein a first high-level oil tank is provided between the solar heating unit and the asphalt storage tank, and a second high-level oil tank is provided between the heating boiler and the asphalt storage tank.

7. The multi-energy complementary device for asphalt heating according to claim 6, wherein a temperature-controlled heat-conducting oil boiler is arranged between the first high-level oil tank and the asphalt storage tank.

8. The multi-energy complementary device for asphalt heating according to claim 1, wherein a flow rate regulating valve is provided between the heating boiler and the asphalt storage tank.

9. The multi-energy complementary device for asphalt heating according to claim 7, wherein a temperature detector is provided at the outlet of the temperature-controlled heat conduction boiler.

10. The multi-functional complementary device for heating asphalt according to claim 7, wherein a conduction oil pressurizing pump is provided between the first high-level oil tank and the temperature-controlled conduction oil boiler.

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