Automatic waste asphalt recycling auxiliary device
By designing an auxiliary device for recycling waste asphalt, using a controllable electric heating box, silicone gridded base plate and ultrasonic oscillator, the problems of low efficiency and high solvent residues in the existing recycling methods are solved, efficient and pure waste asphalt recycling is achieved, and multiple heating risks of old asphalt are reduced.
Patent Information
- Application Number
- CN202421671008.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-15
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-15
AI Technical Summary
The existing waste asphalt recycling methods are very difficult, and the testers have poor understanding of recycling conditions, resulting in low recycling efficiency, high solvent residues, and the old asphalt needs to be repeatedly heated, which increases the risk of re-aging.
An automatic waste asphalt recycling auxiliary device is designed, including a controllable electric heating box, a silicone grid base plate, an ultrasonic oscillator and an air nozzle. By precisely controlling the heating temperature and time, combined with an ultrasonic oscillator and a silicone grid design, it automatically eliminates organic solvent bubbles, achieves efficient recycling and reduces multiple heating of old asphalt.
It improves the efficiency and purity of waste asphalt recycling, reduces solvent residues, reduces the risk of repeated heating of old asphalt, and ensures the performance and quality of the recycling of asphalt.
Smart Images

Figure CN222855372U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of waste asphalt recovery, and in particular to an automated waste asphalt recovery auxiliary device. Background Art
[0002] With the rapid development of my country's highway industry, transportation infrastructure construction has transitioned from a "construction-oriented" mode to a "construction and maintenance-equal" development stage. The large amount of waste recycled asphalt (RAP) generated by highway maintenance and repair each year cannot be recycled efficiently, which is an important obstacle to the green, low-carbon and circular development of the transportation industry's industrial system.
[0003] At present, the methods for recovering old asphalt in RAP mainly include the Absen method and the rotary evaporation method. The principle of both methods is to dissolve the old asphalt outside the RAP with an organic solvent, and then evaporate the organic solvent to obtain enriched aged asphalt materials. However, since the two asphalt recovery methods are relatively difficult, when the test personnel do not have a good grasp of various recovery conditions, there will be many problems, such as a lot of residual asphalt in the recovery bottle, a small amount of asphalt recovered at a single time, and solvent residues in the recovered asphalt. In addition, the recovered old asphalt often needs to be heated repeatedly for multiple times to complete the sample preparation during testing, which increases the risk of re-aging. Utility Model Content
[0004] The utility model aims to provide an automated waste asphalt recovery auxiliary device, which can reduce the difficulty of experimental operation, improve the efficiency of waste asphalt recovery, automatically eliminate residual organic solvents, and reduce the risk of repeated heating and re-aging of old asphalt.
[0005] In order to achieve the above-mentioned purpose, the present application provides an automated waste asphalt recovery auxiliary device, comprising: a controllable electric heating box, which is provided with a visible opening and closing port; a base, which is arranged in the controllable electric heating box; wherein, it also includes a silicone grid bottom plate arranged on the base and an ultrasonic oscillator arranged on one side of the base.
[0006] In order to buffer the vibration that may be generated during the heating process and ensure the stability of the device, as an option of the automated waste asphalt recovery auxiliary device of the present application, the device also includes a hard spring support, wherein the hard spring support is arranged at the bottom end of the controllable electric heating box and connected to the bottom end of the base.
[0007] In order to ensure the stability and position accuracy of the silicone grid bottom plate during the heating process, as an option of the automated waste asphalt recovery auxiliary device of the present application, the device also includes a limit card slot, wherein the limit card slot is arranged at the top of the base and is embedded with the silicone grid bottom plate.
[0008] In order to adjust the position of the waste asphalt on the silicone grid bottom plate to ensure uniform heating, as an option of the automated waste asphalt recovery auxiliary device of the present application, the device also includes a rotating bracket, wherein the rotating bracket is arranged at the top of the controllable electric heating box, and the rotating bracket can rotate around the axis on a horizontal section.
[0009] In order to ensure that the air pressure in the controllable electric heating box is appropriate and accurate and further improve the recycling efficiency, as an option of the automated waste asphalt recycling auxiliary device of the present application, the device also includes an air nozzle, which is arranged on one side of the rotating bracket, wherein the air nozzle includes an air intake port and an air outlet, and the opening and closing of the air intake port and the air outlet are controllable.
[0010] In order to ensure the stability and safety of the asphalt recovery bottle during rotation, as an option of the automated waste asphalt recovery auxiliary device of the present application, the rotating bracket also includes a fixing member connected to the rotating shaft of the rotating bracket.
[0011] In order to control the switch of the controllable electric heating box, as an option of the automated waste asphalt recovery auxiliary device of the present application, a switch 102 is also provided on the controllable electric heating box 100 .
[0012] In order to reduce the shaking of the base caused by heating or mechanical vibration and improve the stability of the device, as an option of the automated waste asphalt recovery auxiliary device of the present application, a plurality of hard spring supports are provided.
[0013] The beneficial effects of this application are:
[0014] The automated waste asphalt recovery auxiliary device provided by the technical solution of the present application comprises: a controllable electric heating box, the controllable electric heating box is provided with a visible opening and closing port, allowing the user to observe the internal asphalt processing process and operate it when necessary, the electric heating box can control the temperature, and by accurately controlling the heating temperature and time, it can achieve efficient and high-quality recovery of waste asphalt to optimize the recovery efficiency of asphalt; wherein, it also comprises a silicone grid bottom plate arranged on a base and an ultrasonic oscillator arranged on one side of the base, the base is arranged in the controllable electric heating box, through the ultrasonic oscillator and precise temperature control, the device can automatically eliminate organic solvent bubbles in the molten old asphalt, effectively reduce the solvent residue in the recovered asphalt, and improve the purity of the recovered asphalt, the use of silicone material and grid design, combined with the vibration function of the ultrasonic oscillator to realize the self-packaging of the recycled asphalt, and in the later test, different numbers of the packaged old asphalt thin blocks can be directly weighed according to the test amount, reducing the repeated heating of the old asphalt and reducing the risk of re-aging, thereby ensuring the performance quality of the recycled asphalt. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a structural schematic diagram of an automated waste asphalt recycling auxiliary device;
[0016] Figure 2 It is a schematic diagram of the internal structure of an automated waste asphalt recycling auxiliary device;
[0017] Description of reference numerals:
[0018] 100. Controllable electric heating box; 101. Visible opening and closing port; 102. Switch;
[0019] 200, base;
[0020] 300, silicone grid bottom plate;
[0021] 400, ultrasonic oscillator;
[0022] 500, hard spring support;
[0023] 600, limit slot;
[0024] 700, rotating bracket; 701, fixing part;
[0025] 800, air nozzle; 801, air inlet; 802, air outlet;
[0026] 900. Old asphalt recycling bottles. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.
[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" in the specification and claims of this application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions.
[0029] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.
[0030] In the description of the embodiments of the present application, the orientations or positional relationships indicated by technical terms such as "one side", "horizontal", "top", and "bottom" are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of describing the embodiments of the present application and simplifying the description. They do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the embodiments of the present application.
[0031] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "set", "provided with", "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0032] The inventor of this application has proposed an automated waste asphalt recovery auxiliary device, referring to Figure 1-Figure 2 , Figure 1 This is a schematic diagram of the structure of an automated waste asphalt recovery auxiliary device provided in an embodiment of the present application. Figure 2 A schematic diagram of the internal structure of an automated waste asphalt recovery auxiliary device provided in an embodiment of the present application.
[0033] Reference Figure 1-Figure 2The automated waste asphalt recovery auxiliary device provided in the present application comprises: a controllable electric heating box 100, wherein the controllable electric heating box 100 is provided with a visible opening and closing port 101, and the design allows the user to observe the internal asphalt processing process and operate when necessary, and the controllable electric heating box 100 optimizes the asphalt recovery efficiency by precisely controlling the heating temperature and time; wherein, it also comprises a silicone grid bottom plate 300 arranged on a base 200 and an ultrasonic oscillator 400 arranged on one side of the base 200, and the base 200 is arranged in the controllable electric heating box 100, and through the ultrasonic oscillator and precise temperature control, the device can automatically eliminate organic solvent bubbles in the molten old asphalt, effectively reduce the solvent residue in the recovered asphalt, and improve the purity of the recovered asphalt, and use the silicone material and grid design, combined with the vibration function of the ultrasonic oscillator to realize the self-packaging of the recycled asphalt, and in the later test, different quantities of the packaged old asphalt thin blocks can be directly weighed according to the test amount, which reduces the repeated heating of the old asphalt and reduces the risk of re-aging, thereby ensuring the performance quality of the recycled asphalt.
[0034] Specifically, for example, in actual operation, firstly, the controllable electric heating box 100 is turned on through the switch 102, so that the environment in the box reaches the set temperature and maintains a constant temperature; then, the old asphalt recovery bottle 900 after the Absen method or the rotary evaporation method is completed is placed on the rotating bracket 700, and the angle and position of the old asphalt recovery bottle 900 are adjusted so that the old asphalt in the bottle can flow out smoothly to the middle of the silicone grid bottom plate 300; the visible opening and closing port 101 of the controllable electric heating box 100 is closed, and the air intake port 801 of the air nozzle 800 is opened to reduce the air pressure in the controllable electric heating box 100 to the set value; then the heating program 1 is set to make the controllable electric heating box 1 00 is heated to the set temperature within 10 minutes and maintained for 5 minutes, and the ultrasonic oscillator 400 is turned on simultaneously to eliminate the residual organic solvent in the asphalt; after the insulation time is over, program 2 is automatically started to heat the temperature in the box to the accelerated volatilization temperature within 10 minutes and maintain it for 10 minutes; after the end of program 2, the jet port 802 of the air nozzle 800 is automatically opened, the air pressure in the controllable electric heating box 100 is balanced, the controllable electric heating box 100 is opened, the silicone grid bottom plate 300 is taken out and cooled at room temperature, and the old asphalt sample block is taken out from the silicone grid bottom plate 300 after cooling for subsequent treatment or analysis.
[0035] Continue to refer to Figure 1-Figure 2 The device also includes a hard spring support 500, wherein the hard spring support 500 is arranged at the bottom end of the controllable electric heating box 100 and is connected to the bottom end of the base 200, so as to reduce the shaking of the base caused by heating or mechanical vibration and improve the stability of the device. At the same time, several hard spring supports 500 can be provided, and the specific number depends on the specific situation.
[0036] Continue to refer to Figure 1-Figure 2 The device also includes a limiting slot 600, wherein the limiting slot 600 is arranged at the top of the base 200 and is embedded with the silicone grid bottom plate 300 to ensure that the silicone grid bottom plate remains in a fixed position and does not move during the heating and processing process.
[0037] Continue to refer to Figure 1-Figure 2 The device also includes a rotating bracket 700, wherein the rotating bracket 700 is arranged at the top of the controllable electric heating box 100, and the rotating bracket 700 can rotate around the axis on the horizontal section, and the rotating bracket 700 also includes a fixing part 701, and the fixing part 701 is connected to the rotating axis of the rotating bracket 700. The design of the rotating bracket 700 can be used to adjust the position of internal components or optimize the asphalt processing process. The fixing part 701 is used to stabilize the old asphalt recovery bottle 900 to prevent it from shaking or shifting during use. In actual operation, the old asphalt recovery bottle 900 is placed on the rotating bracket 700 through the fixing part 701, and the angle and position of the old asphalt recovery bottle 900 are adjusted to allow the old asphalt in the bottle to flow smoothly to the silicone grid bottom plate 300.
[0038] Continue to refer to Figure 1-Figure 2 The device also includes an air nozzle 800, which is arranged on one side of the rotating bracket 700, wherein the air nozzle 800 includes an air intake port 801 and an air outlet port 802, and the opening and closing of the air intake port 801 and the air outlet port 802 are controllable. The air intake port 801 can be used to reduce the oxygen concentration inside the controllable electric heating box 100 to prevent thermal oxygen aging of old asphalt, and the air outlet port 802 is used to restore the atmospheric pressure inside the controllable electric heating box 100.
[0039] In summary, the following technical effects can be achieved by adopting the technical solution of this application:
[0040] 1. Through the automated operation process, efficient and high-quality recycling of waste asphalt can be achieved, reducing the difficulty of test operations. Operators only need to follow the preset procedures and do not need to pay too much attention to the details of the recycling process, thereby improving work efficiency.
[0041] 2. Through ultrasonic oscillator and precise temperature control, the device can automatically eliminate organic solvent bubbles in the molten old asphalt, effectively reducing the solvent residue in the recycled asphalt and improving the purity of the recycled asphalt.
[0042] 3. The use of silica gel material and grid design, combined with the vibration function of the ultrasonic oscillator, realizes the self-packaging of the old asphalt. In the later test, different quantities of thin pieces of old asphalt can be weighed directly according to the test volume, which reduces the repeated heating of the old asphalt and reduces the risk of re-aging, thereby ensuring the performance quality of the recycled asphalt.
[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in the field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.
Claims
1. An automated waste asphalt recovery auxiliary device, characterized in that: include: A controllable electric heating box (100), wherein the controllable electric heating box (100) is provided with a visible opening and closing opening (101); A base (200), wherein the base (200) is arranged in the controllable electric heating box (100); It also includes a silica gel grid bottom plate (300) arranged on the base (200) and an ultrasonic oscillator (400) arranged on one side of the base (200).
2. The automated waste asphalt recovery auxiliary device according to claim 1, characterized in that: The device also includes a hard spring support (500), wherein the hard spring support (500) is arranged at the bottom end of the controllable electric heating box (100) and is connected to the bottom end of the base (200).
3. The automated waste asphalt recovery auxiliary device according to claim 1, characterized in that: The device further comprises a limiting card slot (600), wherein the limiting card slot (600) is arranged at the top end of the base (200) and is embedded with the silica gel compartment bottom plate (300).
4. The automated waste asphalt recovery auxiliary device according to claim 1, characterized in that: The device further comprises a rotating bracket (700), wherein the rotating bracket (700) is arranged at the top end inside the controllable electric heating box (100), and the rotating bracket (700) can rotate around an axis on a horizontal cross section.
5. The automated waste asphalt recovery auxiliary device according to claim 4, characterized in that: The device further comprises an air nozzle (800), wherein the air nozzle (800) is arranged on one side of the rotating bracket (700), wherein the air nozzle (800) comprises an air intake port (801) and an air ejection port (802), and the opening and closing of the air intake port (801) and the air ejection port (802) are controllable.
6. The automated waste asphalt recovery auxiliary device according to claim 4, characterized in that: The rotating bracket (700) further comprises a fixing member (701), wherein the fixing member (701) is connected to a rotating shaft of the rotating bracket (700).
7. The automated waste asphalt recovery auxiliary device according to claim 1, characterized in that: The controllable electric heating box (100) is also provided with a switch (102).
8. The automated waste asphalt recovery auxiliary device according to claim 2, characterized in that: A plurality of hard spring supports (500) are provided.