Apparatus and method for preparing asphalt using heavy oil products

A device and method for processing heavy asphalt materials improve fluidity and stability, addressing the limitations of existing methods by enhancing the production of high-quality road asphalt components with flexible operation and reduced environmental impact.

JP7730447B1Active Publication Date: 2025-08-28GUANGDONG UNIV OF PETROCHEMICAL TECH +1
View PDF 3 Cites 0 Cited by

Patent Information

Application Number
JP2025075984
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2024-09-24
Filing Date
2025-05-01
Publication Date
2025-08-28
Estimated Expiration
2045-05-01

AI Technical Summary

Technical Problem

Heavy raw asphalt materials exhibit poor fluidity and high stability at high temperatures, limiting their use in road construction, and existing methods for processing heavy oil to produce asphalt are costly and risky.

Method used

A device comprising static mixers, mixing vessels, filters, and feed injectors is used to process heavy feedstocks and additives, employing a method that includes mixing, filtering, and cooling to produce high-quality asphalt, with adjustable operating conditions and flexible operation modes.

Benefits of technology

The method enhances the fluidity and stability of heavy asphalt, producing high-quality road asphalt components while reducing environmental pollutants and improving economic efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure 0007730447000001_ABST
    Figure 0007730447000001_ABST
Patent Text Reader

Abstract

To provide an apparatus for preparing asphalt, which has a flexible operation mode, can be operated intermittently or continuously, and can switch between different operating conditions according to raw materials and products. [Solution] An apparatus and method for preparing asphalt using heavy oil products is disclosed. The apparatus consists of a first static mixer, a first mixing / agitating kettle, a second static mixer, a second mixing / agitating kettle, a product buffer tank, and a finished product tank, which are connected in series. Through the step-by-step mixing of the first and second mixing / agitating kettle, it is possible to adapt to changes in the components of different heavy raw materials, ensuring the quality and economic benefits of the asphalt product.
Need to check novelty before this filing date? Find Prior Art

Description

[Technical Field]

[0001] The present invention relates to the technical field of asphalt production, and in particular to the production of asphalt using heavy oil products. The present invention relates to an apparatus and method for preparing a lute. [Background technology]

[0002] Heavy raw material asphalt has a high softening point, penetration and viscosity, making it highly stable at high temperatures. However, heavy asphalt raw materials have poor fluidity, so their use in road construction is limited. Therefore, heavy raw asphalt usually improves fluidity and is more stable than other asphalts. They are chemically or physically modified to allow for optimal compatibility with the ingredients. Chinese patent CN108285801A is a method for treating low-quality heavy oil to produce automobile fuel and road fuel. The present invention discloses a method for producing asphalt for industrial use, which involves extracting poor quality heavy oil from an extractor. Addition to the pulp and then selective solvent deasphalting, followed by catalytic cracking / hydrocracking. This method uses complex chemical reactions to obtain a series of high-quality raw materials for catalytic conversion. The cost of the medium is high and the operating risk is high. Summary of the Invention

[0003] The technical solution of the present invention is as follows: Use heavy raw materials to prepare asphalt. The device for this purpose comprises the following parts: The first static mixer, the first mixing / agitating vessel, the second static mixer, and the second mixing / agitating vessel are connected in series. , product buffer tank and finished product tank, The first heavy feedstock tank and the second heavy feedstock tank are connected to the first static mixer. The first additive raw material tank and the second additive raw material tank are connected to the mixer. The first feeding injector is provided between the first static mixer and the first mixing and stirring vessel. The first filter is installed between the mixing vessel and the second static mixer, and the second static mixer and the second mixing agitator are connected. A second feed injector is installed between the mixing vessels, and a second injector is installed between the second mixing and mixing vessel and the product buffer tank. The filter is provided The first heavy feedstock is stored in the first heavy feedstock tank, and the first heavy feedstock is vacuum slag oil and / or or slurry bed tailings, and the second heavy feedstock is contained in the second heavy feedstock tank. The second heavy feedstock is ethylene cracking tar and / or propylene stripping heavy oil. In one embodiment of the present invention, the first heavy feedstock oil tank is provided with a first static mixer. The first pipe is connected to the second stack, and a first transport pump and a valve are provided on the first pipe. The heavy feedstock tank is connected to the first static mixer through a second pipe, and a second transport port is provided on the second pipe. A pump and a valve are provided, The first additive raw material tank is connected to the second static mixer through the eighth pipe, and the third additive raw material tank is connected to the eighth pipe. A transport pump and a valve are provided, and the second additive raw material tank is connected to the eighth pipe via the fourth pipe. a fourth transfer pump and a valve are provided on the fourth pipe; The first mixing and stirring vessel is connected to the first filter through the fifth pipe, and the fifth transfer pump is connected to the fifth pipe. A group was established, The first static mixer is in communication with the first feed injector through the third pipe, and the fifth pipe is further The second static mixer is connected to the third pipe via the sixth pipe, and the second static mixer is connected to the second supply inlet via the ninth pipe. In communication with the injector, The second mixing / agitating vessel is connected to the sixth transport pump via the tenth pipe, and the sixth transport pump is connected to the first The second filter is connected to the second pipe, and the second pipe is connected to the eleventh and thirteenth pipes. The 11th pipe is connected to the 9th pipe via a valve. The 11th pipe is further connected to the 15th pipe. The 15th pipe is connected to the buffer tank via the 16th pipe. The second filter is connected to the product buffer tank via the 14th pipe, and the product buffer tank is The tank is connected to the 17th pipe, and the 7th transport pump and valve are installed on the 17th pipe. The 17th pipe is connected to the 13th pipe via the 18th pipe, and the 15th pipe is connected to the 19th pipe. It communicates with the finished product tank via a In one aspect of the present invention, the first mixing / stirring vessel and the second mixing / stirring vessel have the same structure. Each of these is composed of a housing, a rotating shaft, and a first stirring member, and the first stirring member is It consists of a central rod and a number of stirring blades arranged around the bottom end of the central rod. The rotating shaft is provided in the housing along the vertical direction, and the upper end of the rotating shaft extends beyond the housing. It is connected to the output shaft of the motor mounted on the housing through the hole, and there is a supply port at the top of the housing. A discharge port is provided at the bottom, and a trigger disc is provided on the rotation axis below the supply port. The assembly is sleeved and the trigger disc assembly is attached to the catch disc and It consists of a plurality of sector-shaped carrier plates arranged along the circumferential direction on the side wall of the catch disk. The carrier plate is rotatably connected to the catch disc via a rotation shaft, and the rotation shaft is A torsion spring is provided at the rotation connection between the rotating shaft and the catch disc, and tension is applied to the rotating shaft. a spool wheel for winding the cord, the lower end of the rotary shaft having a first cavity; A catch post is provided in the first cavity in one-to-one correspondence with the carrier plate, and the catch One end of the post is connected to a pull string, and the other end is connected to a catch hole on the top surface of the center rod. The center rod is inserted into the first cavity and connected to the first cavity via a spline, and the space between each stirring blade is In either case, multiple curved plates are provided. Explanation: The mechanical structure of the first mixing and stirring kettle and the second mixing and stirring kettle is The trigger disc assembly can fully utilize the first agitating member and the injection action. The first stirring member can be moved upward to achieve up and down reciprocating motion, and the motor is driven to rotate. The stirring effect is strengthened under the action, and the mixing of heavy raw materials, prepared oil samples and additives is enhanced. can. In one aspect of the present invention, the center of the rotating shaft has a second cavity, and in the second cavity A sliding rod is provided in one-to-one correspondence with the carrier plate, and one end of the sliding rod is pulled. The other end is connected to a string, the other end is connected to a catch post, and the sliding rod is connected to the second cavity via a spring. The side wall of the rotating shaft is provided with a sliding groove that corresponds one-to-one with the sliding rod along the vertical direction. A second stirring member is provided on the rotating shaft, and the second stirring member is composed of a fixed rod and a movable rod. The fixed rod passes through the sliding groove and is connected to the sliding rod. The fixed ring is sleeved on the rotating shaft, and the movable rod is connected to the fixed ring with a hinge. Then, the second plate body is inserted onto the fixing rod. Description: Through the structural design of the second stirring member, the stirring in the housing is controlled under the stirring of the first stirring member. The stirring efficiency is further improved by using the up and down movement of the sliding rod to rotate the movable rod on the rotating shaft. It has a greater agitation effect than conventional fixed agitator blades, and the fixed rotor The second plate body on the board can also improve the stirring effect of the raw material in the housing. The present invention relates to a method for preparing asphalt using heavy raw materials based on the above-mentioned device. Further provided is a method comprising the steps of: S1, the first heavy feedstock in the first heavy feedstock tank and the second heavy feedstock in the second heavy feedstock tank After mixing in the first static mixer, it is transported to the first feeding injector, and then the first mixing agitator After being transported to the kettle and mixed uniformly, the mixture is mixed with two prepared oil samples in a mass ratio of 1:1 by the sixth transport pump. The prepared oil sample was divided into two samples, and one of the prepared oil samples was returned to the first feeding injector. The other prepared oil sample was filtered through the first filter and then poured into the first additive raw material tank. The first additive in the second additive raw material tank is placed in the second static mixer together with the second additive in the second additive raw material tank. and mixing the mixture. S2: The mixed oil sample after mixing in the second static mixer was injected into the second feeding injector. The mixture is then poured into the second mixing and stirring vessel in a jet state and stirred uniformly, after which it is transferred to the seventh transport pump and the second filter. After passing through the filter, the product is cooled in the product buffer tank to obtain the finished asphalt product. and transferring the product to a product tank. In one aspect of the present invention, the first additive is a modifier, a crosslinking agent, a solubilizing oil, and the second additive is selected from one or more of an accelerator and / or carbon black. The filter media filled inside the first and second filters are silica gel, activated carbon, and Carbon, dealuminated molecular sieve, metal ion-exchanged molecular sieve, furnace slag, lignocellulose, aluminum and coke. Description: The method uses the above-mentioned apparatus to produce a high sulfur and nitrogen content, high metal content, Poor quality heavy distillates or resids with high asphaltene content or high carbon residue values Enhance oil processing to obtain high-quality road asphalt compounding ingredients and increase product value. This makes it possible to: In one aspect of the present invention, the working temperatures of the first mixing / agitating vessel and the second mixing / agitating vessel are as follows: The temperatures are all 50 to 250°C, and the operating pressures are all 0.01 to 1.00 MPa. The mixing time was 30 to 800 min in all cases, and the working liquid level was 50 to 90% in all cases. The agitation speed is 30 to 6000 r / min. Heavy feedstock oil tank, first additive feedstock tank, second additive feedstock tank, product buffer tank The operating temperature is 50 to 250°C, and the operating pressure is 0.01 to 1.00 MPa. The output is in the range of 50 to 600kW. Explanation: If the temperature is too low, it will affect the viscosity of the raw materials, making the raw materials less fluid and more difficult to mix evenly. Therefore, in order to ensure the quality of the asphalt product, Under the meter, the heavy feedstock, the prepared oil sample and the additives can be thoroughly mixed. The present invention has the following beneficial effects. (1) An apparatus for preparing asphalt using heavy raw materials provided by the present invention The operation mode is flexible and can be operated intermittently or continuously, and the It can adapt to changes in ingredients and switch between different operating conditions depending on the raw material and product. can. (2) A method for preparing asphalt using heavy raw materials provided by the present invention The sulfur and nitrogen content of the waste is reduced by recycling and reprocessing or by transporting the finished product in tanks. Heavy distillates with high carbon content, high metal content, and low asphaltene or carbon residue content Or strengthen the treatment of residual oil to obtain high-quality road asphalt mixture components, and improve the collection of liquid components. Improve the efficiency, increase the value of the product, reduce the emission of environmental pollutants, and improve the quality of asphalt products. Quality and economic benefits can be ensured. [Brief explanation of the drawings]

[0004] [Figure 1] 1 is a schematic diagram of the overall structure of the device. [Figure 2] FIG. 2 is an external view of the first mixing and stirring vessel. [Figure 3] FIG. 10 is a partial cross-sectional view of the first mixing and stirring vessel of Example 3. [Figure 4] FIG. 10 is a diagram showing the internal structure of the first mixing and stirring vessel of the third embodiment. [Figure 5] FIG. 10 is a diagram showing the internal structure of the first mixing and stirring vessel of Example 5. [Figure 6] FIG. 10 is a diagram showing the internal structure of the first mixing and stirring vessel of Example 7. [Figure 7] FIG. 10 is a diagram showing the internal structure of the first mixing and stirring vessel of Example 9. [Figure 8] FIG. 20 is a diagram showing the internal structure of the first mixing and stirring vessel of Example 11. [Figure 9] FIG. 10 is a diagram showing the connection relationship of the drawstrings in the third embodiment. [Figure 10] FIG. 10 is a vertical cross-sectional view of a rotating shaft according to a third embodiment. [Figure 11] FIG. 13 is a partial cross-sectional view of a rotating shaft according to a seventh embodiment. [Figure 12] FIG. 11 is a diagram showing the connection relationship of the drawstrings in the seventh embodiment. [Figure 13] FIG. 1 is a longitudinal sectional view of a rotating shaft according to a seventh embodiment. [Figure 14] FIG. 2 is a longitudinal sectional view 2 of the rotating shaft of the seventh embodiment. [Figure 15] FIG. 13 is an assembly diagram of a second stirring member according to a seventh embodiment.

[0005] [Explanation of symbols] 101 No. 1 heavy feedstock oil tank 102 Second heavy feedstock oil tank 103 No. 1 additive raw material tank 104 Second additive raw material tank 105 First transport pump 106 Second transport pump 107 Third transport pump 108 No. 4 transport pump 109 First static mixer 110 First Feeding Injector 111 1st mixing stirring pot 112 5th transport pump 113 First Filter 114 Second static mixer 115 Second Feeding Injector 116 Second mixing stirring pot 117 No. 6 Transport Pump 118 Second Filter 119 Product buffer tank 120 No. 7 Transport Pump 121 Finished Tank 122 Housing 123 Rotation axis 124 Motor 125 Catch Disc 126 Carrier Plate 127 Rotation Axis 128 Drawstring 129 Spool Wheel 130 1st cavity 131 Catch Post 132 Center Rod 133 Stirring blade 134 Catch Hole 135 curved plate 136 2nd cavity 137 Sliding rod 138 Sliding groove 139 Fixed Rod 140 Movable Rod 141 Fixing ring 142 Second plate body 143 First plate body 144 Push Rod 145 Protrusion 146 Electromagnetic Rod 147 Magnetic Piece 1. First piping 2. Second piping 3. Third piping 4. Fourth Pipe 5. 5th Pipe 6 No. 6 Pipe 8. No. 8 Pipe 9 No. 9 Pipe 10 10th Pipe 11 11th Pipe 12 No. 12 Pipe 13 13th Pipe 14 No. 14 Pipe 15 15th Pipe 16 No. 16 Pipe 17 No. 17 Pipe 18 No. 18 Pipe 19 No. 19 Pipe DETAILED DESCRIPTION OF THE INVENTION

[0006] Example 1: As shown in Figure 1, an apparatus for preparing asphalt using heavy feedstocks is , the first static mixer 109, the first mixing and stirring vessel 111, and the second static mixer 1 14, the second mixing and stirring tank 116, the product buffer tank 119 and the finished product tank 121; In this embodiment, the first mixing and stirring vessel 111 and the second mixing and stirring vessel 116 are prior art products. For example, a prior art KEEN stirred tank may be used, with a first static mixer 109, a second 2. The static mixer 114 is a prior art product, such as the Lijian SK type static mixer in the prior art. You may also use a The first static mixer 109 is provided with a first heavy feedstock tank 101 and a second heavy feedstock tank 102. The first additive raw material tank 103 and the second additive raw material tank 104 are connected to the second static mixer 114. In this embodiment, a product buffer tank 119, a finished product tank 121, and a first Heavy feedstock oil tank 101, second heavy feedstock oil tank 102, first additive feedstock tank 103, The second additive raw material tank 104 is also a prior art product, for example, the product manufactured by Maoming Gravity Company. A stainless steel tank may be used, where the product buffer tank 119, the finished product tank The tank body of Tank 121 has a double-layer structure, the inner layer of the tank body stores raw materials, and the outer layer Insulated, A first feed injector 110 is provided between the first static mixer 109 and the first mixing and stirring vessel 111. A first filter 113 is provided between the first mixing / agitating vessel 111 and the second static mixer 114. A second feed injector 114 is provided between the second static mixer 114 and the second mixing and stirring vessel 116. 15 is provided, and a second filter 11 is provided between the second mixing and stirring vessel 116 and the product buffer tank 119. 8, in this embodiment, a first supply injector 110, a second supply injector 115 is a prior art product, such as that produced by Hangzhou Hechen Energy Technology Co., Ltd. You may use products that have been The first heavy feedstock is stored in the first heavy feedstock oil tank 101, and the first heavy feedstock is vacuum slag oil. The second heavy feedstock oil tank 102 contains a second heavy feedstock, and the second heavy feedstock is ethylene. It is decomposed tar. The specific connection method is as follows: the first heavy feedstock oil tank 101 is connected to the first static mixer 109 via a first pipe 1, and a first transport pump 105 and a valve The second heavy feedstock tank 102 is connected to the first static mixer 109 via the second pipe 2. The second pipe 2 is connected to the second transport pump 106 and a valve. The first additive raw material tank 103 is connected to the second static mixer 114 via the eighth pipe 8, and A third transport pump 107 and a valve are provided on the piping 8, and the second additive raw material tank 10 4 is connected to the eighth pipe 8 via the fourth pipe 4, and a fourth transport pump 108 and a and a valve are provided, The first mixing / stirring vessel 111 is connected to the first filter 113 via the fifth pipe 5. A fifth transport pump 112 is provided on the top, The first static mixer 109 is connected to the first feed injector 110 via the third pipe 3. The fifth pipe 5 further communicates with the third pipe 3 via a sixth pipe 6, and the second static mixer 114 It communicates with the second supply injector 115 via the ninth pipe 9, The second mixing / agitating vessel 116 is connected to a sixth transport pump 117 via a tenth pipe 10. The feed pump 117 is connected to the second filter 118 via the twelfth pipe 12. 2 further communicates with the ninth pipe 9 via the eleventh pipe 11 and the thirteenth pipe 13, and the eleventh pipe 1 A valve is provided on the eleventh pipe 11, and the eleventh pipe 11 further communicates with the fifteenth pipe 15. 15 communicates with the buffer tank 119 via the 16th pipe 16, The second filter 118 is connected to the product buffer tank 119 via the 14th pipe 14. The impact tank 119 is connected to the finished product tank 121 via the 17th piping 17. A seventh transport pump 120 and a valve are provided above the seventeenth pipe 17, and the seventeenth pipe 17 is connected to the thirteenth pipe 13. The 15th pipe 15 is connected to the finished product tank via the 19th pipe 19. 121, and in this embodiment, the first filter 113, the second filter 118, and each transport The pumps and valves are both prior art products and are manufactured by the core valve manufacturer. The transport pump is a gear pump, and the above-mentioned piping is also a product of the prior art, e.g. For example, 316L stainless steel pipe may be used. Example 2: This example is based on the apparatus of Example 1 and uses heavy raw materials to prepare asphalt. The present invention describes a method for making a hydroxybenzoate comprising the steps of: S1, the first heavy feedstock in the first heavy feedstock tank 101 and the second heavy feedstock in the second heavy feedstock tank 102 The second heavy raw material is mixed by the first static mixer 109 and then fed to the first feed injector 11 0, and then put into the first mixing and stirring vessel 111 and stirred uniformly. The oil was passed through 12 and divided into two prepared oil samples with a mass ratio of 1:1. The oil is recycled to the first feed injector 110 and the other prepared oil sample is After being filtered by the first filter 113, the first additive in the first additive raw material tank 103 The additive is fed into the second static mixer 114 together with the second additive in the second additive raw material tank 104. and mixed together, S2, the mixed oil sample after being mixed by the second static mixer 114 is fed to the second feed indicator. The mixture is then injected into the second mixing and stirring vessel 116 by the vector 115 and stirred uniformly. The product passes through the seventh transport pump 117 and the second filter 118 and enters the product buffer tank 119. After cooling, the finished asphalt product is obtained and finally transported to the finished product tank 121. Here, the first heavy feedstock is vacuum slag oil, and the second heavy feedstock is ethylene cracking tar. The first additive is a modifier, such as a styrene-butadiene block copolymer in the prior art. The second additive is an accelerator, e.g., an alkyl acrylate (SBS) in the prior art. Sodium benzene sulfonate may be used, and the first filter 113 and the second filter The filter material packed inside the filter 118 is coke. The working temperature of the first mixing / stirring vessel 111 and the second mixing / stirring vessel 116 is 150°C. The working pressure was 0.5 MPa, and the mixing time was 600 min. The mixing rate was 70% in all cases, and the mixing speed was 500 r / min in all cases. Oil tank 101, second heavy feed oil tank 102, first additive raw material tank 103, second additive The working temperature of the agent raw material tank 104 and the product buffer tank 119 is 150°C. The pressure in each case is 0.5 MPa, and the output in each case is 300 kW. Example 3: This example differs from Example 1 in the following respects. As shown in FIGS. 3 and 4, The mixing and stirring vessel 111 and the second mixing and stirring vessel 116 have the same structure, and the housing 122, the rotating shaft 123 and a first stirring member, and the first stirring member is composed of a central rod 132 and a central The rod 132 is made up of three stirring blades 133 arranged along the circumferential direction at the bottom end thereof. The angle between the two adjacent stirring blades 133 is 120°, and the rotation axis 123 is aligned vertically. The upper end of the rotary shaft 123 passes through the housing 122 and The motor 124 is connected to the output shaft of a motor 124 mounted on the housing 122. A rotary motor, such as a TWT vertical motor in the prior art, may be used. The feeding port is provided at the top of the ring 122, and the discharge port is provided at the bottom. A trigger disk assembly is sleeved onto the rotating shaft 123. The catch disc 125 and the side wall of the catch disc 125 are fitted in the circumferential direction. The catch disc 125 is made up of four sector-shaped carrier plates 126. , a circular plate structure with a circular hole in the center, for example, a stainless steel plate in the prior art The stainless steel disk may have a circular hole at its center, the hole having the same outer diameter as the rotating shaft 123. The stainless steel disk is fixed on the rotating shaft 123 by parallel bolts, and the carrier plate 1 26 is a plate body of a quarter-segment annular structure, for example, a polytetrafluoroethylene in the prior art. A fluoroethylene plate may be used, and the space between two adjacent carrier plates 126 The included angle is 90°, and the carrier plate 126 is rotated by the rotation axis 127 to the catch disc 125 and a spool for winding a drawstring 128 onto a rotating shaft 127. A wheel 129 is provided, and the spool wheel 129 rotates to wind up the pull string 128. For example, a stainless steel wheel in the prior art may be used. 10, the first cavity 130 is located at the lower end of the rotary shaft 123. 30, a catch post 131 is provided in one-to-one correspondence with the carrier plate 126, One end of the catch post 131 is connected to the pull string 128, and the other end is connected to the upper end of the center rod 132. The catch post 131 is inserted into the catch hole 134 formed on the surface of the rod body. The catch hole 134 is formed on the inner side of the upper end surface. Countersunk hole with a flap, and the catch point is secured by the cooperation of the limiting ring and the inner flap. The center rod 132 prevents the separation of the strike 131 and the catch hole 134. and are connected by splines, and three curved plates 135 are provided between each stirring blade 133. It can be done. Example 4: This example is based on the apparatus of Example 3 and uses heavy raw materials to prepare asphalt. The method for preparing the compound is described and differs from Example 2 in the following respects: In step S1, the first heavy raw material and the second heavy raw material are mixed by the first static mixer 109. After being mixed, the first heavy raw material and the second heavy raw material are fed in a jet state into the first mixing and stirring vessel 111. The first heavy raw material and the second heavy raw material are sprayed onto the carrier plate 126 directly below the feed opening. Under the action of the force of the ejection impact, the carrier plate 126 is rotated downward along the axis of rotation 127. 60° to rotate the rotary shaft 127 and the spool wheel 129. The pull string 128 is wound by the spool wheel 129, and the pull string 128 is passed through the pull string 128. The catch post 131 is moved upward, and the limit ring on the lower end surface of the catch post 131 is The first agitating member is moved upward by cooperation of the catch hole 134 and the inner flap of the catch hole 134. Meanwhile, the other catch post 131 is held in its original position, and the catch hole 134 The remaining amount of the catch post 131 is compensated for by the depth, and then the rotation axis 123 The carrier plate 126 is rotated downward under the rotational drive of the motor 124, and is then placed directly below the feeding opening. After moving it to a position not corresponding to the rotation axis 127, under the restoring force of the torsion spring, The carrier plate 126 is reset, and the first stirring member falls naturally and is reset. , completing the traveling motion of moving up and down, thereby moving the curved plate 135 between each stirring blade 133 Improve the stirring and mixing effect through In step S2, the prepared oil sample and additives are fed to a second static mixer 114 and a second feeder. When the mixture enters the second mixing and stirring vessel 116 in a jet state by the injector 115, Same as S1. Embodiment 5: This embodiment differs from embodiment 3 in the following respects. As shown in FIG. 5, The third stirring member is provided on the side wall of the rotating shaft 123 in the circumferential direction. It is composed of six first plate bodies 143, and between two adjacent first plate bodies 143 The included angle is 60°, and the first plate body 143 is a vertically disposed plate body. For example, 316L stainless steel sheet from the prior art may be used. During the rotation of the rotary shaft 123, the first heavy raw material and the second heavy raw material are agitated by the rotation of the third agitating member. do. Example 6: This example differs from Example 3 in the following respects, as shown in FIGS. 6 and 11 to 15. A second cavity 136 is provided in the center of the rotation shaft 123, and the carrier plate 1 is provided in the second cavity 136. 26, and the sliding rod 137 is provided in the second cavity 13. 6, and for example, a stainless steel rod is used in the prior art. One end of the sliding rod 137 is connected to the pull string 128 and the other end is connected to the catch post. The drawstring 128 may be a stainless steel rope as in the prior art. The sliding rod 137 is connected to the second cavity 136 via a spring and is vertically attached to the side wall of the rotating shaft 123. A slide groove 138 is provided along the vertical direction, which corresponds one-to-one with the slide rod 137, and the rotation shaft 1 23, a second stirring member is provided, and the second stirring member is made up of a fixed rod 139 and a movable rod 14 0 are connected by a hinge, and the fixed rod 139 passes through the sliding groove 138. A fixed ring 141 is sleeved on the rotary shaft 123, and the movable rod 1 40 is connected to a fixing ring 141 by a hinge, and the second plate body 1 is mounted on the fixing rod 139. 42 is inserted, and the second plate body 142 is inserted perpendicularly to the side wall of the fixed rod 139. The plate body may be, for example, a stainless steel plate as in the prior art, and the fixing ring 141 is a disk structure with a circular hole in the center, for example, 316L stainless steel in the prior art A steel disc may be used, and the center of the 316L stainless steel disc is made of the same outer diameter as the rotating shaft 123. A circular hole having a 316L stainless steel disc is opened, and a bolt is used to mount the disc on the rotating shaft 123. Fix. During use, the first mixing / agitating vessel 111 and the second mixing / agitating vessel 116 are mixed, and the raw material is injected into the supply port. Under the action of the impact force, the carrier plate 126 is rotated downward along the rotation axis 127, 127 and spool wheel 129 to rotate, and 9 winds up the pull string 128, and the pull string 128 moves the sliding rod 137 upward. This causes the fixed rod 139 to move upward along the slide groove 138, The door 139 and the movable rod 140 are connected by a hinge, so that the movable rod 140 is fixed. The second stirring member is swung at the hinged connection portion with the ring 141 in conjunction with the rotation of the rotating shaft 123. The movable rod 140 can also be oscillated back and forth during the rotation and stirring process. The second plate body 14 inserted into the fixed rod 139 is used to improve the stirring and mixing effect. 2 can also improve the stirring and mixing effect in the same way as the curved plate 135. Example 7: This example differs from Example 3 in the following respects. As shown in FIG. 7, the housing 12 A push rod 144 is provided on the top of the carrier plate 126. The push rod 144 and the protrusion 145 are provided to press the push rod 144 in cooperation with each other. To reduce friction, the push rod 144 may be provided with a roller ball at its bottom. Rod 144 may be a polytetrafluoroethylene rod as in the prior art, and protrusion 1 45 has a peak structure with a high center and low sides, and the polytetrafluoroethylene in the prior art The roller balls may be stainless steel roller balls in the prior art. You may do so. When the carrier plate 126 moves to the position where the push rod 144 is located, the push rod 14 4 and the protrusion 145 cooperate to push the carrier plate 126 along the rotation axis 127. The carrier plate 126 can be rotated downward, thereby increasing the trigger frequency. At the same time, the carrier plate 126 cannot be triggered due to the stop of raw material injection. You can also avoid the problem. Example 8: This example differs from Example 3 in the following respects. As shown in FIG. 8, the housing 12 2, an electromagnetic rod 146 is provided on the top of the carrier plate 126. The magnetic rod 146 is fitted with a magnetic piece 147 that cooperates with magnetic repulsion, and is made of commercially available neodymium iron boron. It should be understood that a simple magnetic rod may be substituted. When the carrier plate 126 moves to the position where the electromagnetic rod 146 is located, the electromagnetic rod 14 6 and the magnetic piece 147 cooperate to push the carrier plate 126 along the rotation axis 127. 126. The carrier plate 126 can be rotated downward by the triggering frequency. At the same time, the carrier plate 126 cannot be triggered due to the stop of raw material injection. You can also avoid the problem. Example 9: This example differs from Example 2 in the following respects: the first heavy feedstock is a slurry bed ring, the second heavy feedstock is propylene stripped heavy oil, and the first additive is a cross-linking agent; For example, in the prior art, the epoxy resin is used, the second additive is carbon black, and the first additive is The filter media filled inside the filter 113 and the second filter 118 are silica gel and furnace slag. , lignocellulose, where the mass ratio of silica gel, furnace slag, and lignocellulose is is 1:2:1. Example 10: This example differs from Example 2 in the following respects: the first heavy feedstock is vacuum slag oil, slag The second heavy feedstock is ethylene. It is a mixture of cracked tar and propylene stripped heavy oil in a mass ratio of 3:1, and the first additive is a modified The modifier, cross-linking agent, and solubilizing oil are mixed in a mass ratio of 2:1:1. Styrene-butadiene block copolymers (SBS) may be used in the manufacturing process, and crosslinking agents The first may be an epoxy resin in the prior art, and the second additive may be an accelerator and carbon black. The accelerator is a mixture of alkylbenzenes in the prior art at a mass ratio of 3:1. Sodium sulfonate may be used, and the first filter 113 and the second filter 11 The filter material packed inside 8 is a dealuminated molecular sieve, a metal ion-exchanged molecular sieve, alumina, The metal ion-exchange molecular sieve is a mixture of 1:1:3:3 by mass. The molecular sieve may be Cu-ZSM-5. Example 11: This example differs from Example 2 in the following respects: the first mixing and stirring vessel 111, the second mixing vessel 112, The working temperature of the mixing vessel 116 was 50°C and the working pressure was 0.01 MPa. The mixing time was 30 min in all cases, the working liquid level was 50%, and the mixing speed was The speed is 30 rpm in both the first heavy feedstock tank 101 and the second heavy feedstock tank 102. tank 102, first additive raw material tank 103, second additive raw material tank 104, product buffer tank The working temperature of 119 is 50°C and the working pressure is 0.01MPa. The output of each is 50kW. Example 12: This example differs from Example 2 in the following respects: the first mixing and stirring vessel 111, the second mixing vessel 112, The working temperature of the stirring vessel 116 was 250°C and the working pressure was 1.00 MPa. The stirring time was 800 min in all cases, and the working liquid level was 90% in all cases. The stirring speed was 6000 r / min in both the first heavy feedstock tank 101 and the second heavy feedstock tank 102. A fuel oil tank 102, a first additive raw material tank 103, a second additive raw material tank 104, a product slack tank The working temperature of the shock tank 119 is 250℃ and the working pressure is 1.00MPa. a, and the output of each is 600kW.

Claims

1. 1. An apparatus for preparing asphalt using heavy raw materials, comprising: A first static mixer (109), a first mixing and stirring vessel (111), and a second static mixer (112) are connected in series. (114), second mixing and stirring tank (116), product buffer tank (119) and finished product tank It is composed of a link (121), The first static mixer (109) is connected to a first heavy feedstock tank (101), a second heavy feedstock tank (102), and a The tank (102) is connected to the second static mixer (114) and the first additive raw material tank ( 103), a second additive raw material tank (104) is connected, A first supplying ink is provided between the first static mixer (109) and the first mixing and stirring vessel (111). The first mixing and stirring vessel (111) and the second static mixer (112) are provided. A first filter (113) is provided between the second static mixer (114) and A second feed injector (115) is provided between the second mixing and stirring vessel (116), The second filter (118) is placed between the mixing tank (116) and the product buffer tank (119). It is established, The first heavy feedstock oil tank (101) contains a first heavy feedstock, and the first heavy feedstock is Pressurized slag oil and / or slurry bed tailings, and a second heavy feedstock tank (1 02) contains a second heavy feedstock, and the second heavy feedstock is ethylene cracking tar and / or is propylene stripped heavy oil, An apparatus characterized in that

2. The first heavy feedstock tank (101) is connected to a first static mixer (109) and a first pipe (1). the first pipe (1) is connected to the first transfer pump (105) and a valve; The second heavy feedstock tank (102) is connected to the first static mixer (109) via the second pipe (2). the second pipe (2) is connected to the second transfer pump (106) and a valve; The first additive raw material tank (103) is connected to the second static mixer (11) via the eighth pipe (8). 4), and a third transport pump (107) and a valve are provided on the eighth pipe (8); The second additive raw material tank (104) is connected to the eighth pipe (8) via the fourth pipe (4), and a fourth transport pump (108) and a valve are provided on the fourth pipe (4); The first mixing and stirring vessel (111) is connected to the first filter (113) via a fifth pipe (5). a fifth transport pump (112) is provided on the fifth pipe (5); The first static mixer (109) is connected to the first feed injector (110) and the third pipe (3). The fifth pipe (5) is further connected to the third pipe (3) via the sixth pipe (6). The second static mixer (114) is connected to the second feed injector (116) via the ninth pipe (9). 15) in communication with The second mixing and stirring vessel (116) is connected to the sixth transport pump (117) via the tenth pipe (10). ), and the sixth transport pump (117) is connected to the second filter ( 118), and the 12th pipe (12) further communicates with the 11th pipe (11) and the 13th pipe (13). The ninth pipe (9) is connected to the eleventh pipe (11) through the ninth pipe (9), and a valve is provided on the eleventh pipe (11). The pipe (11) further communicates with the 15th pipe (15), which in turn communicates with the 16th pipe ( 16) to the buffer tank (119), The second filter (118) is connected to the product buffer tank (119) via the fourteenth pipe (14). The product buffer tank (119) is connected to the finished product tank (121) through the 17th pipe (17). The seventh pipe (17) is connected to the seventh transfer pump (120) and a valve. The seventeenth pipe (17) is connected to the thirteenth pipe (13) via the eighteenth pipe (18). The 15th pipe (15) communicates with the finished product tank (121) through the 19th pipe (19).

2. The device of claim 1, wherein:

3. The first mixing / stirring vessel (111) and the second mixing / stirring vessel (116) have the same structure. The first agitator is configured by a housing (122), a rotating shaft (123), and a first agitator. The stirring member is attached to the central rod (132) and the bottom end of the central rod (132) along the circumferential direction. The rotating shaft (123) is configured to rotate vertically. The upper end of the rotating shaft (123) is provided in the housing (122) along the It passes through the housing (122) and connects to the output shaft of the motor (124) mounted on the housing (122). The housing (122) is connected to the supply port at the top and the discharge port at the bottom. A trigger disk assembly is sleeved on the rotating shaft (123) below the feeding port. The trigger disc assembly includes a catch disc (125) and A plurality of sector-shaped carrier plates are provided along the circumferential direction on the side wall of the chuck disk (125). The carrier plate (126) is connected to the rotating shaft (127). The catch disc (125) is rotatably connected to the rotation shaft (127). A torsion spring is provided at the rotation connection of the disk (125), and the rotation axis (127) is A spool wheel (129) is provided for winding up the drawstring (128), and the rotating shaft The lower end of (123) has a first cavity (130), and the cap is placed in the first cavity (130). A catch post (131) is provided in one-to-one correspondence with the rear plate (126), One end of the catch post (131) is connected to the drawstring (128) and the other end is connected to the central rod (132) is inserted into the catch hole (134) opened on the upper end surface of the center rod ( 132) is connected to the first cavity (130) via a spline, and each of the stirring blades (1 33)。 33) between each of the curved plates (135) is provided. The device described in

4. The center of the rotating shaft (123) has a second cavity (136), and in the second cavity (136) A sliding rod (137) is provided in one-to-one correspondence with the carrier plate (126), One end of the sliding rod (137) is connected to the drawstring (128) and the other end is connected to the catch post (1 31), and the sliding rod (137) is connected to the second cavity (136) via a spring. , one-to-one correspondence with the sliding rod (137) along the direction perpendicular to the side wall of the rotation shaft (127). a sliding groove (138) for sliding the stirring member is provided on the rotating shaft (123), and a second stirring member is provided on the rotating shaft (123), The second stirring members are mutually connected via a fixed rod (139) and a movable rod (140). The fixed rod (139) is connected to the sliding groove (138) by a slide. A fixing ring (141) is attached to the rotating shaft (123). The movable rod (140) is connected to the fixed ring (141) by a hinge, A second plate body (142) is inserted onto the fixed rod (139).

4. The apparatus of claim 3.

5. A method for producing asphalt using heavy raw materials according to the device of any one of claims 1 to 4. A method for preparing S1, the first heavy feedstock in the first heavy feedstock tank (101) and the second heavy feedstock tank (10 2) The second heavy feedstock is mixed in the first static mixer (109) and then fed to the first feed injector The mixture is then transported to the first mixing and stirring vessel (110), and then transported to the first mixing and stirring vessel (111) where it is uniformly stirred. The sixth transfer pump (112) separates the oil into two prepared oil samples with a mass ratio of 1:1, One of the prepared oil samples is refluxed to the first feed injector (110) to prepare a circulating prepared oil. The other prepared oil sample was filtered through a first filter (113), and then the first additive raw material was added. The first additive in the raw material tank (103), the second additive in the second additive raw material tank (104), mixing them together in a second static mixer (114); S2, the mixed oil sample after mixing in the second static mixer (114) is injected into the second feed injector. The mixture is then introduced into the second mixing and stirring vessel (116) in a jet state by the stirrer (115) and stirred uniformly. , the seventh transfer pump (117) and the second filter (118) before passing into the product buffer tank. (119) and cooled to obtain the finished asphalt product, and finally to the finished product tank (121). and transporting the

6. The first additive is selected from one or more of a modifier, a crosslinking agent, and a solubilizing oil, The second additive is an accelerator and / or carbon black, and the first filter (1 13) The filter material filled inside the second filter (118) is silica gel, activated carbon, desorbent Alumina molecular sieves, metal ion exchanged molecular sieves, furnace slag, lignocellulose, alumina and 6. The method of claim 5, wherein the molten metal is one or more of: coke;

7. The working temperature of the first mixing / stirring vessel (111) and the second mixing / stirring vessel (116) is 50 to 120°C. The temperature was 250°C, the working pressure was 0.01 to 1.00 MPa, and the stirring time was The time required for each was 30 to 800 min, the working liquid level was 50 to 90%, and the stirring speed was Both of them are 30 to 6000 rpm, and the first heavy feedstock tank (101), the second heavy feedstock tank (102) A raw oil tank (102), a first additive raw material tank (103), a second additive raw material tank ( The working temperature of the product buffer tank (119) is 50-250°C. The pressure was 0.01 to 1.00 MPa, and the output was 50 to 600 kW.

6. The method of claim 5, wherein

Citation Information

Patent Citations

  • Modified pitch and preparation method thereof

    CN104946288A

  • Method for producing vehicle fuel and road asphalt by processing inferior heavy oil

    CN108285801A

  • Production method of asphalt

    JP2014201640A