Production device of rubber powder PE composite modified emulsified asphalt

Abstract

The utility model discloses a production device of rubber powder PE (polyethylene) composite modified emulsified asphalt, relates to the technical field of emulsified asphalt production, and aims to solve the problems that rubber powder modified asphalt is high in viscosity and very difficult to emulsify in the prior art. A hopper cover is arranged on the standing hopper, a first electric valve is arranged at the discharging end of the standing hopper, an electric heater is installed on the outer side of the standing hopper, a feeding bin and an air connector are installed above the hopper cover, a one-way valve is arranged on the air connector, a sealing door is arranged on the feeding bin, and the sealing door is arranged on the discharging end of the standing hopper. A feeding hopper is arranged on the customized shearing machine, the discharging end of the standing hopper is communicated with the feeding hopper, a stator is installed in the customized shearing machine, a stirring shaft is rotationally connected into the customized shearing machine, a rotor is fixedly connected to the outer side of the stirring shaft, and the rotor is located on the upper portion and close to the stator.

Description

TECHNICAL FIELD

[0001] The utility model relates to emulsified asphalt production technical field, concretely to a kind of production device of rubber powder PE composite modified emulsified asphalt. BACKGROUND

[0002] Emulsified asphalt equipment is special equipment for producing emulsified asphalt, which is characterized by breaking asphalt into small particles under the action of emulsifier by mechanical force and uniformly dispersing in water to form stable emulsion, i.e. emulsified asphalt. Emulsified asphalt is mainly used for highway and urban road engineering as a primer, binder and surface layer binder, and is also suitable for preparing waterproof coating and waterproofing membrane in the construction industry.

[0003] For example, the modified emulsified asphalt production device with publication number CN206746390U includes a modified asphalt storage tank, an emulsifier soap solution storage tank, a Stormer viscosity tester, a mixer and a finished product cooling device. The metering pump is controlled by a microcomputer to accurately control the use of raw materials, reduce errors and ensure emulsification effect. The test sensing end of the Stormer viscosity tester can be lifted and inserted into the mixer. The Stormer viscosity tester can test the viscosity of the solution in the mixer at any time and feed back information to the operator for timely processing.

[0004] The above-mentioned mixer outlet is provided with a finished product cooling device. The high temperature of the modified emulsified asphalt product can easily reduce product quality. The finished product cooling device installed at the outlet of the mixer controls the product temperature at 70-80°C to ensure product quality. However, the viscosity of rubber powder modified asphalt is very high, making it very difficult to emulsify. Therefore, there is an urgent need to develop a rubber powder PE composite modified emulsified asphalt production device to help people solve the existing problems. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a rubber powder PE composite modified emulsified asphalt production device to solve the problem of high viscosity of rubber powder modified asphalt and difficulty in emulsification mentioned in the background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a rubber powder PE composite modified emulsified asphalt production device, which includes a static bucket and a customized shear machine. A bucket cover is arranged on the static bucket. A first electric valve is arranged at the discharge end of the static bucket. An electric heater is installed on the outside of the static bucket. A feed bin and an air connector are respectively installed above the bucket cover. A one-way valve is arranged on the air connector. A sealing door is arranged on the feed bin. A feed hopper is arranged on the customized shear machine. The discharge end of the static bucket is communicated with the feed hopper. A stator is installed in the customized shear machine. A stirring shaft is rotatably connected in the customized shear machine. A rotor is fixedly connected to the outside of the stirring shaft. The rotor is located above and close to the stator. A low-speed stirrer is arranged in the static bucket.

[0007] By the above technical scheme, the rubber powder, PE additive and asphalt are sealed, heated and stirred at low speed for a long time by the static tank, the rubber powder and PE are matured at high temperature (>200℃) under long-time closed condition, the rubber powder and PE are fully dissolved in the asphalt, the process is completely closed, nitrogen or other inert gas is filled into the static tank through the gas inlet joint to reduce the aging of the asphalt, and the impurities with large particle size in the rubber powder are sheared and dispersed by the customized shear machine, so that the emulsification effect on the asphalt is improved.

[0008] In a preferred example, the utility model discloses further can be configured as: the lower portion of the customized shear machine is equipped with the discharge hopper, the outer side of the discharge hopper is equipped with the second heat exchanger, the outer side of the customized shear machine is equipped with the first heat exchanger, and the first heat exchanger is connected with the second heat exchanger and is connected with the connecting pipe.

[0009] By the above technical scheme, the first heat exchanger and the second heat exchanger are used to cool the customized shear machine, when the customized shear machine is working, the high-temperature emulsified asphalt needs to be cut when discharging, so that the heat exchanger is arranged, which can not only disperse the emulsified asphalt, but also cool it, to meet the production needs and improve the production efficiency.

[0010] In a preferred example, the utility model discloses further can be configured as: the first heat exchanger is equipped with the water inlet pipe, and the second heat exchanger is equipped with the water outlet pipe.

[0011] In a preferred example, the utility model discloses further can be configured as: the discharge end of the discharge hopper is equipped with the second electric valve, the upper portion of the customized shear machine is equipped with the sealing cover, and the feeding hopper is fixedly connected with the sealing cover.

[0012] In a preferred example, the utility model discloses further can be configured as: the sealing cover is provided with the motor for driving the stirring shaft to rotate, and the sealing cover is provided with the support seat for fixing the motor.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] 1. The utility model discloses a static tank for sealing, heating and stirring rubber powder, PE additive and asphalt for a long time, and the rubber powder and PE are matured at high temperature (>200℃) under long-time closed condition, so that the rubber powder and PE are fully dissolved in the asphalt, the process is completely closed, nitrogen or other inert gas is filled into the static tank through the gas inlet joint to reduce the aging of the asphalt, and the impurities with large particle size in the rubber powder are sheared and dispersed by the customized shear machine, so that the emulsification effect on the asphalt is improved.

[0015] 2. The utility model discloses a first heat exchanger and second heat exchanger are utilized to the cooling of custom shearing machine, when the custom shearing machine is in work, the emulsified asphalt of high temperature needs to carry out quick cooling when discharging, thereby utilizing the setting of two heat exchangers, not only can the emulsified asphalt be dispersed, but also can quick cooling be carried out simultaneously, to satisfy the production need, improve production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view of the production device of the rubber powder PE composite modified emulsified asphalt of the utility model;

[0017] Figure 2 It is the internal structure schematic view of the standing hopper of the utility model;

[0018] Figure 3 It is the internal structure schematic view of the custom shearing machine of the utility model.

[0019] In the drawing: 1, standing hopper; 2, custom shearing machine; 3, first electric valve; 4, electric heater; 5, hopper cover; 6, feed bin; 7, sealing door; 8, gas connector; 9, second electric valve; 10, sealing cover; 11, feed hopper; 12, motor; 13, stirring shaft; 14, first heat exchanger; 15, rotor; 16, stator; 17, discharge hopper; 18, second heat exchanger; 19, water inlet pipe; 20, connecting pipe; 21, water outlet pipe. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0021] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, or detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] Please refer to Figure 1 , Figure 2 and Figure 3 , the utility model provides an embodiment: a kind of production device of rubber powder PE composite modified emulsified asphalt, including static bucket 1 and custom shear machine 2, static bucket 1 is provided with bucket cover 5, the discharge end of static bucket 1 is provided with first electric valve 3, the outside of static bucket 1 is equipped with electric heater 4, the top of bucket cover 5 is respectively equipped with feed bin 6 and gas connector 8, one-way valve is provided on gas connector 8, sealing door 7 is provided on feed bin 6, custom shear machine 2 is provided with feed hopper 11, the discharge end of static bucket 1 is communicated with feed hopper 11, stator 16 is installed in custom shear machine 2, stirring shaft 13 is rotatably connected in custom shear machine 2, stirring shaft 13 is fixedly connected with rotor 15 outside, rotor 15 is located at upper side and is close to stator 16, low-speed stirrer is provided in static bucket 1, and low-speed stirrer includes low-speed driving device, stirring shaft and stirrer, low-speed driving device is installed on the top of bucket cover 5, stirring shaft is connected with low-speed driving device, and stirrer is installed on the low end of stirring shaft.

[0024] Please refer to Figure 3 , the lower side of custom shear machine 2 is equipped with discharge hopper 17, the outside of discharge hopper 17 is equipped with second heat exchanger 18, the outside of custom shear machine 2 is equipped with first heat exchanger 14, and connecting pipe 20 is connected between first heat exchanger 14 and second heat exchanger 18, the top of custom shear machine 2 is also provided with feed hopper, and custom shear machine 2 can be filled with soap solution through the feed hopper.

[0025] Please refer to Figure 3 , water inlet pipe 19 is installed on first heat exchanger 14, and water outlet pipe 21 is installed on second heat exchanger 18.

[0026] Please refer to Figure 3 , the discharge end of discharge hopper 17 is equipped with second electric valve 9, the top of custom shear machine 2 is equipped with sealing cover 10, and feed hopper 11 is fixedly connected with sealing cover 10.

[0027] Please refer to Figure 3 , motor 12 for driving stirring shaft 13 to rotate is provided on sealing cover 10, and support seat for fixing motor 12 is provided on sealing cover 10.

[0028] Working principle: in use, open the sealing door 7, pour the rubber powder and asphalt from the feeding bin 6 into the interior of the static hopper 1, then inject inert gas into the interior of the static hopper 1 through the gas joint 8, and heat the interior of the static hopper 1 to 200 DEG C by the electric heater 4, after high-temperature emulsification, the first electric valve 3 is opened, the high-temperature emulsified asphalt is poured into the interior of the customized shear machine 2, and the soap solution is added into the interior of the customized shear machine 2 through the feeding hopper above the customized shear machine 2, then the motor 12 drives the stirring shaft 13 to rotate, the stirring shaft 13 drives the rotor 15 to rotate, the rotor 15 shears and disperses the asphalt mixed with the soap solution, under the cooperation between the rotor 15 and the stator 16, the dispersion of the asphalt is realized, at the same time, the pre-refrigerated cooling water is injected into the first heat exchanger 14 through the water inlet pipe 19, the cooling water enters the interior of the second heat exchanger 18 through the connecting pipe 20, so that the asphalt in the interior of the customized shear machine 2 is cooled, the temperature of the asphalt is reduced to 70-80 DEG C, and the hot water is discharged from the water outlet pipe 21, the second electric valve 9 is opened, and the dispersed asphalt is discharged from the lower end of the discharge hopper 17.

[0029] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the foregoing description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to which they are involved.

Claims

1. A production device of a rubber powder PE composite modified emulsified asphalt, comprising a static bucket (1) and a customized shear machine (2), characterized in that: The stationary hopper (1) is provided with a hopper cover (5), the discharge end of the stationary hopper (1) is provided with a first electric valve (3), the outer side of the stationary hopper (1) is provided with an electric heater (4), the upper side of the hopper cover (5) is respectively provided with a feeding bin (6) and an air joint (8), the air joint (8) is provided with a one-way valve, the feeding bin (6) is provided with a sealing door (7), the custom cutting machine (2) is provided with a feeding hopper (11), the discharge end of the stationary hopper (1) is communicated with the feeding hopper (11), the custom cutting machine (2) is provided with a stator (16), the custom cutting machine (2) is rotatably connected with a stirring shaft (13), the outer side of the stirring shaft (13) is fixedly connected with a rotor (15), the rotor (15) is located above and close to the stator (16), and the stationary hopper (1) is provided with a low-speed stirrer.

2. The production device of the rubber powder PE composite modified emulsified asphalt according to claim 1, characterized in that: The lower side of the custom cutting machine (2) is provided with a discharge hopper (17), the outer side of the discharge hopper (17) is provided with a second heat exchanger (18), the outer side of the custom cutting machine (2) is provided with a first heat exchanger (14), and the first heat exchanger (14) and the second heat exchanger (18) are connected with a connecting pipe (20).

3. The production device of the rubber powder PE composite modified emulsified asphalt according to claim 2, characterized in that: The first heat exchanger (14) is provided with a water inlet pipe (19), and the second heat exchanger (18) is provided with a water outlet pipe (21).

4. The production device of the rubber powder PE composite modified emulsified asphalt according to claim 2, characterized in that: The discharge end of the discharge hopper (17) is provided with a second electric valve (9), the upper side of the custom cutting machine (2) is provided with a sealing cover (10), and the feeding hopper (11) is fixedly connected with the sealing cover (10).

5. The production device of the rubber powder PE composite modified emulsified asphalt according to claim 4, characterized in that: The sealing cover (10) is provided with a motor (12) for driving the stirring shaft (13) to rotate, and the sealing cover (10) is provided with a support seat for fixing the motor (12).

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