Warm mix asphalt modifier preparation device

Abstract

The utility model discloses a warm mix asphalt modifier preparation device, which comprises a barrel body unit, which comprises a preparation barrel and a barrel cover matched with the preparation barrel, the top end of the barrel cover is provided with a feed port, and one side of the preparation barrel is provided with a discharge port; after the water pump is started, hot water is pumped into the hollow shaft and the hollow stirring blades through the U-shaped pipe and the water outlet pipe, heats and drives the hollow shaft and the hollow stirring blades, then the motor is started, the hollow shaft rotates to drive the stirring blades to rotate, asphalt is heated and stirred, and water exceeding the volume overflows from the top end along with increase of water in the hollow shaft and flows back to the hot water tank through the L-shaped pipe. The heating pipe in the hot water tank heats and maintains the temperature of backflow water, the heated water is pumped into the hollow shaft and the stirring blades again by the water pump to form circulation, and the problems that the asphalt modifier raw materials are molten and viscous, mixing is difficult to achieve in traditional stirring, the finished product quality is affected, heat is wasted through external heating and heat preservation, and efficiency is low are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bitumen technical field especially relates to a warm mix asphalt modifier preparation device. BACKGROUND

[0002] Bitumen is a black-brown complex mixture composed of hydrocarbons and nonmetallic derivatives with different molecular weights, is a kind of high-viscosity organic liquid, is in liquid state, surface is black, and is soluble in carbon disulfide.Bitumen is a kind of waterproof, moistureproof and anticorrosive organic cementing material.Bitumen can be mainly divided into coal tar pitch, petroleum pitch and natural bitumen three kinds;Among them, coal tar pitch is a by-product of coking.Petroleum pitch is the residue after crude oil distillation.Natural bitumen is stored underground, and some form a seam or accumulate on the surface of the earth's crust.Bitumen is mainly used in coating, plastic, rubber and other industries and pavement, etc., in order to avoid bitumen hardening or uneven, it needs to be heated and stirred.

[0003] In the bitumen modifier raw material stirring process, since the raw material is in molten state, has high viscosity, using traditional stirring device can not realize the full mixing of bitumen modifier raw material, which leads to that the raw material can not fully react physically or chemically, and further affect the quality of finished product, at present, the common heating mode is to heat and keep warm outside the whole stirring chamber, but this method can cause a large amount of heat waste in the heating process, and the heating efficiency is relatively low. SUMMARY

[0004] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above problems existing in the prior art warm mix asphalt modifier preparation device, the utility model is proposed.

[0006] Therefore, the utility model aims at providing a warm mix asphalt modifier preparation device, which is suitable for solving the problems of bitumen modifier raw material molten viscosity, traditional stirring difficulty mixing, affecting finished product quality, external heating and keeping warm waste heat and low efficiency.

[0007] To solve the above technical problems, the utility model provides the following technical scheme: a warm mix asphalt modifier preparation device, comprising:

[0008] The barrel unit comprises a preparation barrel and a barrel cover matched with the preparation barrel, the top end of the barrel cover is provided with a feeding port, and one side of the preparation barrel is provided with a discharging port;

[0009] The heating stirring unit comprises a connecting pipe fixedly installed at the top end of a barrel cover, a motor fixedly installed at the bottom end of the preparation barrel, a hollow shaft installed at the output end of the motor, and the top end of the hollow shaft is rotationally connected with the bottom end of the connecting pipe, a plurality of groups of hollow stirring blades are symmetrically installed at the two sides of the hollow shaft and communicated with the hollow shaft, the bottom end of the connecting pipe is rotationally connected with the bottom end of the hollow shaft, and the top end of the barrel cover is respectively provided with a water pump and a hot water tank.

[0010] As a preferred scheme of the warm-mix asphalt modifier preparation device, the water pump comprises a water outlet pipe, the water outlet pipe is installed at the water outlet end of the water pump, the other end of the water outlet pipe penetrates into the bottom end of the inner cavity of the hollow shaft, a U-shaped pipe is installed at the water inlet end of the water pump, and the other end of the U-shaped pipe is connected with the hot water tank.

[0011] As a preferred scheme of the warm-mix asphalt modifier preparation device, the hot water tank comprises an L-shaped pipe, which is fixedly installed at one side of the hot water tank and penetrates into the inner cavity of the connecting pipe at the other end.

[0012] As a preferred scheme of the warm-mix asphalt modifier preparation device, the hot water tank further comprises heating pipes, which are fixedly installed at the two sides of the inner cavity of the hot water tank.

[0013] As a preferred scheme of the warm-mix asphalt modifier preparation device, the hot water tank further comprises a tank cover, which is clamped at the top end of the hot water tank.

[0014] As a preferred scheme of the warm-mix asphalt modifier preparation device, the bottom end of the preparation barrel is provided with three groups of supporting legs for supporting the device to work.

[0015] The water pump is started, the hot water is pumped into the hollow shaft and the hollow stirring blades through the U-shaped pipe and the water outlet pipe, the hot water heats and drives the hollow shaft and the hollow stirring blades, then the motor is started, the hollow shaft rotates to drive the stirring blades to rotate, the asphalt is heated and stirred, with the increase of the water amount in the hollow shaft, the water exceeding the volume overflows from the top end, flows back to the hot water tank through the L-shaped pipe, the heating pipes in the hot water tank heat the backflow water to maintain the temperature, the heated water is pumped into the hollow shaft and the stirring blades again by the water pump to form a cycle, and the problems of the molten and viscous asphalt modifier raw materials, the difficult mixing of the traditional stirring, the influence on the product quality, the waste of heat by external heating and heat preservation, and the low efficiency are solved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort on the premise that they do not deviate from the concept of the present application.

[0017] Fig. 1 The overall structure schematic diagram of the warm-mixed asphalt modifier preparation device is provided for the present application.

[0018] Fig. 2 The cross-sectional structure schematic diagram of the warm-mixed asphalt modifier preparation device is provided for the present application.

[0019] Fig. 3 The heating box internal structure schematic diagram of the warm-mixed asphalt modifier preparation device is provided for the present application.

[0020] BRIEF DESCRIPTION OF DRAWINGS: 100, barrel unit; 101, preparation barrel; 102, barrel cover; 103, feed inlet; 104, discharge outlet; 200, heating and stirring unit; 201, connecting pipe; 202, water pump; 202a, water outlet pipe; 202b, U-shaped pipe; 203, hot water tank; 203a, L-shaped pipe; 203b, heating pipe; 203c, tank cover; 204, motor; 205, hollow shaft; 206, hollow stirring blade. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purpose, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings of the specification.

[0022] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can be practiced in other ways different from those described herein, and those skilled in the art can make similar generalizations without deviating from the concept of the present application, therefore the present application is not limited to the specific embodiments disclosed below.

[0023] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.

[0024] Thirdly, the utility model is described in detail in combination with the schematic diagram, in the detailed description of the utility model embodiment, for the convenience of illustration, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of the utility model protection here. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0025] Referring to Figs. 1-3 For an embodiment of the utility model, a warm mix asphalt modifier preparation device is provided, which comprises a barrel unit 100 and a heating and stirring unit 200.

[0026] The barrel unit 100 comprises a preparation barrel 101 and a barrel cover 102 matched with the preparation barrel 101, the top end of the barrel cover 102 is provided with a feeding port 103, one side of the preparation barrel 101 is provided with a discharging port 104, a plurality of raw materials enter the preparation barrel 101 through the feeding port 103, and finally are discharged through the discharging port 104.

[0027] The heating and stirring unit 200 comprises a connecting pipe 201 fixedly installed at the top end of the barrel cover 102, a motor 204 fixedly installed at the bottom end of the preparation barrel 101, a hollow shaft 205 installed at the output end of the motor 204, and the top end of the hollow shaft 205 is rotatably connected with the bottom end of the connecting pipe 201, a plurality of groups of hollow stirring blades 206 are symmetrically installed at the two sides of the hollow shaft 205, the hollow stirring blades 206 and the hollow shaft 205 are communicated, the bottom end of the connecting pipe 201 is rotatably connected with the bottom end of the hollow shaft 205, and the top end of the barrel cover 102 is respectively provided with a water pump 202 and a hot water tank 203; after the water pump 202 is started, it pumps the hot water in the hot water tank 203 into the hollow shaft 205, the hot water flows in the hollow shaft 205 and the hollow stirring blades 206 inside the hollow shaft 205, so that the hollow shaft 205 and the hollow stirring blades 206 are heated; at this time, the motor 204 is started to drive the hollow shaft 205 to rotate, and then drive the hollow stirring blades 206 on the two sides to rotate together, so that the asphalt modifier raw materials are heated and stirred; as the water amount in the hollow shaft 205 gradually increases, when the water amount exceeds the volume, the water will overflow from the top end and flow back to the hot water tank 203, the hot water tank 208 heats the backflow water to maintain the temperature, and the heated water is pumped into the hollow shaft 205 and the hollow stirring blades 206 again by the water pump 202, so as to circulate repeatedly, solve the problems that the asphalt modifier raw materials are molten and viscous, the traditional stirring is difficult to mix uniformly, the product quality is affected, the external heating and heat preservation waste heat, and the efficiency is low.

[0028] The water pump 202 comprises a water outlet pipe 202a installed at the water outlet end of the water pump 202, and the other end of the water outlet pipe 202a penetrates into the bottom end of the inner cavity of the hollow shaft 205. The water inlet end of the water pump 202 is provided with a U-shaped pipe 202b, and the other end of the U-shaped pipe 202b is connected with the hot water tank 203. The water pump 202 injects the hot water in the hot water tank 203 into the hollow shaft 205 through the U-shaped pipe 202b.

[0029] The hot water tank 203 comprises an L-shaped pipe 203a fixedly installed at one side of the hot water tank 203, and the other end of the L-shaped pipe 203a penetrates into the inner cavity of the connecting pipe 201. When the water volume exceeds the volume of the hollow shaft 205, the water will overflow and flow back to the hot water tank 203 through the L-shaped pipe 203a at the top end.

[0030] The hot water tank 203 further comprises heating pipes 203b fixedly installed at both sides of the inner cavity of the hot water tank 203. The heating pipes 203b in the hot water tank 203 heat the returned water to maintain a certain temperature.

[0031] The hot water tank 203 further comprises a tank cover 203c clamped at the top end of the hot water tank 203. The tank cover 203c can be directly opened to replace the water source.

[0032] The bottom end of the preparation barrel 101 is provided with three groups of supporting legs for supporting the device to work.

[0033] During use, after the water pump 202 is started, it pumps the hot water in the hot water tank 203 into the hollow shaft 205 through the water outlet pipe 202a by using the U-shaped pipe 202b. The hot water flows in the hollow shaft 205 and the hollow stirring blades 206 inside the hollow shaft 205, thereby heating the hollow shaft 205 and the hollow stirring blades 206. At this time, the motor 204 is started to drive the hollow shaft 205 to rotate, thereby driving the hollow stirring blades 206 on both sides to rotate together to heat and stir the asphalt modifier raw material. As the water volume in the hollow shaft 205 gradually increases, when the water volume exceeds the volume of the hollow shaft 205, the water will overflow from the top end and flow back to the hot water tank 203 through the L-shaped pipe 203a. The heating pipes 203b in the hot water tank 203 heat the returned water to maintain its temperature. The heated water is again pumped into the hollow shaft 205 and the hollow stirring blades 206 by the water pump 202 through the U-shaped pipe 202b. This cycle solves the problems of the molten and viscous asphalt modifier raw material, the difficulty in mixing by traditional stirring, the influence on the quality of finished products, the waste of heat by external heating and heat preservation, and the low efficiency.

[0034] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A warm mix asphalt modifier preparation apparatus, characterized by, Including: The barrel unit (100) includes a preparation barrel (101) and a barrel cover (102) matched with the preparation barrel (101), the top end of the barrel cover (102) is provided with a feeding port (103), and one side of the preparation barrel (101) is provided with a discharging port (104); The heating and stirring unit (200) includes a connecting pipe (201) fixedly installed at the top end of the barrel cover (102), a motor (204) fixedly installed at the bottom end of the preparation barrel (101), an output end of the motor (204) is provided with a hollow shaft (205), the top end of the hollow shaft (205) is rotatably connected with the bottom end of the connecting pipe (201), a plurality of groups of hollow stirring blades (206) are symmetrically installed on both sides of the hollow shaft (205), the hollow stirring blades (206) and the hollow shaft (205) are communicated, the bottom end of the connecting pipe (201) is rotatably connected with the bottom end of the hollow shaft (205), and the top end of the barrel cover (102) is respectively provided with a water pump (202) and a hot water tank (203).

2. A warm mix asphalt modifier preparation apparatus according to claim 1, wherein: The water pump (202) includes a water outlet pipe (202a) installed at the water outlet end of the water pump (202), and the other end of the water outlet pipe (202a) penetrates into the bottom end of the hollow shaft (205), the water inlet end of the water pump (202) is provided with a U-shaped pipe (202b), and the other end of the U-shaped pipe (202b) is connected with the hot water tank (203).

3. A warm mix asphalt modifier preparation apparatus as defined in claim 1, wherein: The hot water tank (203) includes an L-shaped pipe (203a) fixedly installed on one side of the hot water tank (203), and the other end of the L-shaped pipe (203a) penetrates into the inner cavity of the connecting pipe (201).

4. The apparatus of claim 1, wherein: The hot water tank (203) further includes heating pipes (203b) fixedly installed on both sides of the inner cavity of the hot water tank (203).

5. A warm mix asphalt modifier preparation apparatus as defined in claim 1, wherein: The hot water tank (203) further includes a tank cover (203c) clamped at the top end of the hot water tank (203).

6. A warm mix asphalt modifier preparation apparatus as defined in claim 1, wherein: The bottom end of the preparation barrel (101) is provided with three groups of supporting legs for supporting the device to work.

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