Asphalt filtering device with intelligent temperature regulation function

Abstract

The present invention discloses an asphalt filtering device with an intelligent temperature control function, which relates to the technical field of asphalt filtering. The asphalt filtering device includes a filtering structure, a feed hopper, a feed pipe, a defoaming structure and a discharge channel. The filtering structure adopts intelligent temperature control technology to automatically adjust the temperature of the heat transfer oil, so that the temperature of the heated asphalt is maintained within a certain range, thereby improving the stability of the product. The exhaust gas generated during filtration can be absorbed by an adsorption plate that rotates at a fixed time. After the adsorption plate adsorbs a certain amount of impurities, the impurities attached to the surface of the adsorption plate can be removed to ensure that the adsorption plate always maintains an optimal adsorption state. At the same time, the adsorbed exhaust gas can preheat the unfiltered asphalt, thereby achieving the effect of energy saving and consumption reduction. The defoaming structure can make the bubbles inside the asphalt float to the liquid surface by applying vibration after the asphalt is filtered, and the bubbles gathered on the liquid surface are punctured using a defoaming brush, which not only improves the fluidity of the asphalt, but also improves its overall stability.

Description

Technical Field

[0001] The present invention relates to the technical field of asphalt filtration, in particular to an asphalt filtration device with an intelligent temperature regulation function. Background Art

[0002] With the increasing number of projects such as highway construction, urban infrastructure, and airport runways, the requirements for asphalt mixture quality have also increased. During the refining, storage, or transportation process, asphalt may be mixed with solid particles such as dust, metal debris, sand and gravel, unreacted raw material residues, or other foreign matter. These impurities may cause the asphalt mixture to be uneven, affecting the physical properties and chemical stability of the asphalt, and ultimately the durability of the road. Filtering asphalt can improve the uniformity and purity of the asphalt, ensuring that it meets engineering standards. Existing technologies have shortcomings: during the filtration process, it is difficult to maintain the temperature of the asphalt, resulting in a decrease in asphalt quality; the exhaust gas generated during asphalt filtration is difficult to maintain effective treatment for a long time, and the heat in the exhaust gas is directly discharged, resulting in waste; and the bubbles remaining after asphalt filtration not only affect the viscosity and uniformity of the asphalt, but can also lead to uneven spreading during construction, thereby reducing the overall quality of the project. Summary of the Invention

[0003] The purpose of the present invention is to provide an asphalt filtering device with intelligent temperature regulation function to solve the problems raised in the prior art.

[0004] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: the asphalt filtering device includes a filtering structure, a feed pipe is installed on one side of the filtering structure, a feed hopper is installed on one side of the feed pipe, a first discharge valve is installed between the feed pipe and the filtering structure, a defoaming structure is installed below the filtering structure, a discharge pipe is installed on one side of the defoaming structure, a second discharge valve is installed between the defoaming structure and the discharge pipe, and the first discharge valve and the second discharge valve are connected to a control system.

[0005] The filtering structure includes a filter housing, a defoaming structure is installed on one side of the filter housing, a feed pipe is installed at one end of the filter housing, a filter plate is installed on one side of the filter housing, a stirring structure is installed inside the filter housing, a heating chamber is provided on the filter housing, the heating chamber is filled with heat transfer oil, a temperature adjustment structure is installed at the other end of the filter housing, and an exhaust gas treatment structure is installed on one side of the filter housing.

[0006] The stirring structure includes a ring gear, which is mounted inside the filter housing. A sealing plate is rotatably connected to the ring gear, and a planetary gear is mounted on the sealing plate. The planetary gear and the ring gear mesh together. A first rotating shaft is mounted inside the planetary gear, and a first stirring blade is mounted on the outer surface of the first rotating shaft. A transmission shaft is rotatably connected to the filter housing, and a sun gear is mounted on the transmission shaft. The sun gear and the planetary gear mesh together. The sun gear is provided with a groove, and a second stirring blade is mounted on the outer surface of the transmission shaft. The transmission shaft drives the sun gear and the second stirring blade to rotate. The sun gear drives the planetary gear to orbit around the sun gear while rotating. The planetary gear drives the first rotating shaft to rotate, and the first rotating shaft drives the first stirring blade to rotate. The first stirring blade and the second stirring blade evenly stir the asphalt in the filter housing to facilitate filtration. The asphalt flows from the filter plate into the defoaming housing.

[0007] The temperature control structure includes an oil inlet pipe, one end of which is mounted on the filter housing and communicates with the heating chamber. An oil outlet pipe is mounted on one side of the filter housing and communicates with the heating chamber. An oil distribution pipe is mounted on one end of the oil outlet pipe, and a temperature control pipe is mounted on one end of the oil distribution pipe. A drive structure is mounted on one end of the temperature control pipe, and a centrifugal pump is mounted on one end of the drive structure. One end of the centrifugal pump is mounted on the oil inlet pipe and connected to a control system. The control system activates the centrifugal pump, which then transports heat transfer oil from the oil inlet pipe to the heating chamber and from the oil outlet pipe to the oil distribution pipe.

[0008] The temperature regulating tube includes a cooling tube, a connecting tube is installed on one side of the cooling tube, a heating tube is installed on one side of the connecting tube, a heater is installed in the heating tube, one end of the cooling tube and the heating tube is installed on the oil distribution pipe, and the other end of the cooling tube and the heating tube is installed on the driving structure, a bimetallic block and a fixed plate are installed inside the connecting tube, a connecting column is slidably connected to the bimetallic block, a plug is installed at one end of the connecting column, the connecting column slides on the fixed plate, a limit plate is installed on the connecting column, a spring is installed between the limit plate and the fixed plate, the spring is sleeved on the connecting column, a plunger is installed at the other end of the connecting column, a through groove is provided on the plunger, and the heater is connected to the control system. When the temperature in the heating chamber rises, the plugging head transfers the temperature to the bimetallic block, the middle part of the bimetallic block bulges, and the bimetallic block pushes the limit plate to move away from the bimetallic block. The limit plate drives the connecting column to move, and the connecting column drives the plugging head and the plunger to move. A part of the heat transfer oil flows from the cooling pipe to the merging pipe, and the other part of the heat transfer oil flows from the heating pipe to the merging pipe, until the heater heats the heat transfer oil in the heating pipe to the predetermined maximum temperature, and the plunger blocks the heating pipe. When the temperature in the heating chamber drops, the bimetallic block The middle part of the metal block returns to its initial state, and the spring stretches to drive the limit plate to move toward the direction close to the bimetallic block. The limit plate drives the connecting column to move, and the connecting column drives the plug and the plunger to move. A part of the heat transfer oil enters the heating pipe, and the heater heats the heat transfer oil to increase the temperature of the heat transfer oil in the heating chamber. The heat transfer oil transfers heat to the asphalt in the filter housing, and all the heat transfer oil flows out from the cooling pipe to the confluence pipe. The heat transfer oil in the confluence pipe flows from the return pipe to the centrifugal pump, and the centrifugal pump transports the heat transfer oil to the oil inlet pipe.

[0009] The drive structure includes a confluence pipe, one end of which is mounted on a return pipe, one end of which is mounted on a centrifugal pump. A first support plate is mounted inside the return pipe, a second rotating shaft is rotatably connected to the first support plate, an oil exhaust fan and a first bevel gear are mounted on the second rotating shaft. An exhaust chamber is mounted on one end of the filter housing, a centrifugal impeller is mounted in the exhaust chamber, and the centrifugal impeller is mounted on a drive shaft. A second bevel gear is mounted on one end of the drive shaft, and the first and second bevel gears mesh. Thermal oil flows in the return pipe, driving the exhaust fan, which in turn drives the second rotating shaft, which in turn drives the first bevel gear, which in turn drives the second bevel gear, which in turn drives the drive shaft, which in turn drives the centrifugal impeller.

[0010] The exhaust gas treatment structure includes a protection box, which is installed on the outer surface of the filter shell, and an air intake structure is installed in the protection box, one end of the air intake structure is installed on one side of the centrifugal impeller, and the other end of the air intake structure is installed with a mounting plate, which is installed on the inner wall of the protection box, and an adsorption plate is rotatably connected in the mounting plate, an exhaust pipe is installed on the other end of the adsorption plate, a spiral tube is installed at one end of the exhaust pipe, the spiral tube is installed on the outer surface of the feed pipe, a ratchet is installed on the outer surface of the adsorption plate, a pendulum is rotatably connected to the air intake structure, a first support block is installed on the air intake structure, one end of the first support block is rotatably connected to the third rotating shaft, a turntable is installed at one end of the third rotating shaft, a pawl is installed on the outer surface of the turntable, the pawl and the ratchet cooperate, and a third bevel gear is installed at the other end of the third rotating shaft.

[0011] The air intake structure includes an air intake pipe, which is installed on one side of the adsorption plate. A second support plate is installed inside the air intake pipe. The fourth rotating shaft is rotatably connected to the second support plate. An exhaust fan is installed on one end of the fourth rotating shaft. A fifth bevel gear and a second support block are installed on the other end of the fourth rotating shaft. One end of the second support block is rotatably connected to the fifth rotating shaft. A sixth bevel gear is installed on one side of the fifth rotating shaft. The sixth bevel gear and the fifth bevel gear are meshed with the fourth bevel gear. The other end of the fifth rotating shaft is installed with a fourth bevel gear. The fourth bevel gear and the third bevel gear are meshed with each other. A cam is installed on the fifth rotating shaft, and the cam is located on one side of the pendulum. The exhaust gas generated after the asphalt is heated is adsorbed by the centrifugal impeller and transported to the air inlet pipe by the centrifugal impeller. The exhaust gas drives the exhaust fan to rotate, the exhaust fan drives the fourth shaft to rotate, the fourth shaft drives the fifth bevel gear to rotate, the fifth bevel gear drives the sixth bevel gear to rotate, the sixth bevel gear drives the fifth shaft to rotate, the fifth shaft drives the cam and the fourth bevel gear to rotate, the fourth bevel gear drives the third bevel gear to rotate, the third bevel gear drives the third shaft to rotate, the third shaft drives the turntable to rotate, the turntable drives the pawl to rotate, the pawl drives the ratchet to rotate intermittently, and the ratchet drives the adsorption plate to rotate in the mounting plate, so that every area of ​​the adsorption surface can be evenly distributed. The exhaust gas contacts the exhaust gas to achieve efficient adsorption of suspended particles and harmful impurities in the exhaust gas, thereby significantly improving the impurity capture efficiency. The cam drives the pendulum to swing, and the pendulum swings to the adsorption plate, impacting the adsorption plate and vibrating the impurities attached to the adsorption plate, ensuring that the adsorption plate always maintains the best adsorption state, avoiding the decline in filtering effect due to long-term accumulation. The adsorbed exhaust gas enters the exhaust pipe and then enters the spiral pipe from the exhaust pipe, transferring the heat in the exhaust gas to the feed pipe, preheating the unfiltered asphalt, increasing the initial temperature of the asphalt, thereby reducing the energy consumption required in the subsequent heating process, and achieving the effect of energy saving and consumption reduction.

[0012] The defoaming structure includes a defoaming housing, which is mounted on one side of the filter housing, a discharge pipe mounted on one side of the defoaming housing, a scraper and an elastic coupling mounted on one end of a drive shaft, a sixth rotating shaft mounted on one end of the elastic coupling, an eccentric wheel mounted on one end of the sixth rotating shaft, a defoaming brush mounted on the sixth rotating shaft, a defoaming pipe mounted on the bottom of the defoaming housing, the sixth rotating shaft located within the defoaming pipe, and a guide groove disposed on the outer surface of the defoaming pipe. When the filtered asphalt enters the defoaming housing, the drive shaft drives the elastic coupling to rotate, which in turn drives the sixth rotating shaft to rotate, which in turn drives the eccentric wheel and the defoaming brush to rotate. The eccentric wheel causes the sixth rotating shaft to vibrate at a certain frequency and amplitude, causing bubbles within the asphalt to quickly rise to the liquid surface. After the bubbles reach the liquid surface, the defoaming brush rotates to puncture the bubbles gathered on the liquid surface one by one, allowing the air within the bubbles to be quickly discharged, thereby eliminating potential instability factors caused by the bubbles. This not only improves the fluidity of the asphalt, but also significantly enhances its overall stability.

[0013] The plugging head is made of temperature-sensitive material and activated carbon is provided on the adsorption plate.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The present invention adopts intelligent temperature control technology, which can automatically adjust the temperature of the heat transfer oil according to the preset temperature range, so that the temperature of the heated asphalt is maintained within a certain range, ensuring the stability and efficiency of the entire heating and filtration process. It effectively prevents the fluctuation of asphalt quality caused by improper temperature control, avoids the degradation of asphalt performance caused by excessive temperature, and eliminates the decline in filtration efficiency caused by insufficient temperature, thereby significantly improving the stability of the product and the final project quality.

[0016] 2. The present invention adopts exhaust gas filtration technology. By rotating the adsorption plate regularly, each area of ​​the adsorption surface can obtain uniform exhaust gas contact, achieving efficient adsorption of suspended particles and harmful impurities in the exhaust gas, thereby significantly improving the impurity capture efficiency. After the adsorption plate adsorbs a certain amount of impurities, the impurities attached to the surface of the adsorption plate can be promptly removed, ensuring that the adsorption plate always maintains the optimal adsorption state, avoiding the degradation of the filtration effect due to long-term accumulation. At the same time, the adsorbed exhaust gas can preheat the unfiltered asphalt, increasing the initial temperature of the asphalt, thereby reducing the energy consumption required in the subsequent heating process, achieving the effect of energy saving and consumption reduction;

[0017] 3. The present invention adopts vibration defoaming technology. After the asphalt is filtered, vibration of a certain frequency and amplitude is applied to make the bubbles inside the asphalt float quickly to the liquid surface. After the bubbles reach the liquid surface, the bubbles gathered on the liquid surface are punctured one by one by a defoaming brush, so that the air in the bubbles is quickly discharged, thereby eliminating the potential instability factors caused by bubbles, which not only improves the fluidity of the asphalt, but also greatly improves its overall stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a perspective view of an asphalt filtering device according to the present invention;

[0019] Figure 2 An exploded view of the filtering structure of the present invention;

[0020] Figure 3 is a perspective view of the stirring structure of the present invention;

[0021] Figure 4 A three-dimensional diagram of the temperature control structure of the present invention;

[0022] Figure 5 An exploded view of the temperature regulating tube of the present invention;

[0023] Figure 6 An exploded view of the driving structure of the present invention;

[0024] Figure 7 An exploded view of the exhaust gas treatment structure of the present invention;

[0025] Figure 8 An exploded view of the air inlet structure of the present invention;

[0026] Figure 9 It is a three-dimensional diagram of the defoaming structure of the present invention.

[0027] In the figure: 1, filter structure; 11, filter housing; 12, filter plate; 13, stirring structure; 131, gear ring; 132, sealing plate; 133, planetary gear; 134, sun gear; 135, first rotating shaft; 136, first stirring blade; 137, transmission shaft; 138, second stirring blade; 14, temperature control structure; 141, oil inlet pipe; 142, oil outlet pipe; 143, oil distribution pipe; 144, temperature control pipe; 1441, cooling pipe; 1442, heating pipe; 1443, connecting pipe; 1444, plug; 1445, bimetallic block; 1446, spring; 1447, plunger; 1448, fixing plate; 145, driving structure; 1451, confluence pipe; 1452, return pipe; 1453, oil exhaust fan; 1454, first support plate; 1455, first bevel gear; 14 15. Exhaust gas treatment structure; 151. Protection box; 152. Air inlet structure; 1521. Air inlet pipe; 1522. Fourth rotating shaft; 1523. Exhaust fan; 1524. Second support plate; 1525. Fifth bevel gear; 1526. Sixth bevel gear; 1527. Second support block; 1528. Cam; 1529. Fourth bevel gear; 153. Mounting plate; 154. Adsorption plate; 155. Ratchet; 156. Turntable; 157. Third bevel gear; 158. Pendulum; 159. First support block; 2. Feed hopper; 3. Feed pipe; 4. Defoaming structure; 41. Defoaming shell; 42. Scraper; 43. Elastic coupling; 44. Sixth rotating shaft; 45. Defoaming pipe; 46. Defoaming brush; 5. Discharge pipe. DETAILED DESCRIPTION

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] Example: Figures 1-9 As shown, the present invention provides a technical solution, an asphalt filtering device includes a filtering structure 1, a feed pipe 3 is installed on one side of the filtering structure 1, a feed hopper 2 is installed on one side of the feed pipe 3, a first discharge valve is installed between the feed pipe 3 and the filtering structure 1, a defoaming structure 4 is installed below the filtering structure 1, a discharge pipe 5 is installed on one side of the defoaming structure 4, a second discharge valve is installed between the defoaming structure 4 and the discharge pipe 5, and the first discharge valve and the second discharge valve are connected to the control system.

[0030] The filtering structure 1 includes a filtering housing 11, a defoaming structure 4 is installed on one side of the filtering housing 11, a feed pipe 3 is installed at one end of the filtering housing 11, a filter plate 12 is installed on one side of the filtering housing 11, a stirring structure 13 is installed inside the filtering housing 11, a heating chamber is provided on the filtering housing 11, the heating chamber is filled with heat transfer oil, a temperature regulating structure 14 is installed at the other end of the filtering housing 11, and an exhaust gas treatment structure 15 is installed on one side of the filtering housing 11.

[0031] The stirring structure 13 includes a ring gear 131, which is installed inside the filter housing 11. A sealing plate 132 is rotatably connected to the ring gear 131, and a planetary gear 133 is installed on the sealing plate 132. The planetary gear 133 is meshed with the ring gear 131. A first rotating shaft 135 is installed inside the planetary gear 133, and a first stirring blade 136 is installed on the outer surface of the first rotating shaft 135. A transmission shaft 137 is rotatably connected to the filter housing 11, and a sun gear 134 is installed on the transmission shaft 137. The sun gear 134 is meshed with the planetary gear 133, and a groove is provided on the sun gear 134. A second stirring blade 138 is installed on the outer surface of the transmission shaft 137. The transmission shaft 137 drives the sun gear 134 and the second stirring blade 138 to rotate, and the sun gear 134 drives the planetary gear 133 to revolve around the sun gear 134 while rotating. The planetary gear 133 drives the first rotating shaft 135 to rotate, and the first rotating shaft 135 drives the first stirring blade 136 to rotate. The first stirring blade 136 and the second stirring blade 138 stir the asphalt in the filter housing 11 evenly to facilitate filtration. The asphalt flows from the filter plate 12 to the defoaming housing 41.

[0032] The temperature control structure 14 includes an oil inlet pipe 141, one end of which is mounted on the filter housing 11 and communicates with the heating chamber. An oil outlet pipe 142 is mounted on one side of the filter housing 11 and communicates with the heating chamber. An oil distribution pipe 143 is mounted on one end of the oil outlet pipe 142, and a temperature control pipe 144 is mounted on one end of the oil distribution pipe 143. A drive structure 145 is mounted on one end of the temperature control pipe 144, and a centrifugal pump 146 is mounted on one end of the drive structure 145. One end of the centrifugal pump 146 is mounted on the oil inlet pipe 141, and the centrifugal pump 146 is connected to the control system. The control system controls the activation of the centrifugal pump 146, which transports the heat transfer oil from the oil inlet pipe 141 to the heating chamber and from the oil outlet pipe 142 to the oil distribution pipe 143.

[0033] The temperature regulating pipe 144 includes a cooling pipe 1441, a connecting pipe 1443 is installed on one side of the cooling pipe 1441, a heating pipe 1442 is installed on one side of the connecting pipe 1443, a heater is installed in the heating pipe 1442, one end of the cooling pipe 1441 and the heating pipe 1442 is installed on the oil distribution pipe 143, and the other end of the cooling pipe 1441 and the heating pipe 1442 is installed on the driving structure 145, and a bimetallic block 1445 and a fixed Plate 1448, a connecting column is slidably connected to the bimetallic block 1445, one end of the connecting column is installed with a plug 1444, the plug 1444 is a temperature-sensitive material, the connecting column slides on the fixed plate 1448, a limit plate is installed on the connecting column, a spring 1446 is installed between the limit plate and the fixed plate 1448, the spring 1446 is sleeved on the connecting column, a plunger 1447 is installed on the other end of the connecting column, a through groove is provided on the plunger 1447, and the heater is connected to the control system.

[0034] When the temperature in the heating chamber rises, the plug 1444 transfers the temperature to the bimetallic block 1445, the middle part of the bimetallic block 1445 bulges, and the bimetallic block 1445 pushes the limit plate to move away from the bimetallic block 1445, and the limit plate drives the connecting column to move, and the connecting column drives the plug 1444 and the plunger 1447 to move, and a part of the heat transfer oil flows from the cooling pipe 1441 to the merging pipe 1451, and the other part of the heat transfer oil flows from the heating pipe 1442 to the merging pipe 1451, until the heater heats the heat transfer oil in the heating pipe 1442 to the predetermined maximum temperature, and the plunger 1447 blocks the heating pipe 1442. When the temperature in the heating chamber drops, , the middle part of the bimetallic block 1445 returns to its initial state, the spring 1446 stretches and drives the limit plate to move toward the direction close to the bimetallic block 1445, the limit plate drives the connecting column to move, the connecting column drives the plug head 1444 and the plunger 1447 to move, and a part of the heat transfer oil enters the heating pipe 1442, the heater heats the heat transfer oil, so that the temperature of the heat transfer oil in the heating chamber rises, and the heat transfer oil transfers heat to the asphalt in the filter housing 11, and all the heat transfer oil flows out from the cooling pipe 1441 to the confluence pipe 1451, and the heat transfer oil in the confluence pipe 1451 flows from the return pipe 1452 to the centrifugal pump 146, and the centrifugal pump 146 transports the heat transfer oil to the oil inlet pipe 141.

[0035] The driving structure 145 includes a confluence pipe 1451, a return pipe 1452 is installed at one end of the confluence pipe 1451, one end of the return pipe 1452 is installed on the centrifugal pump 146, a first support plate 1454 is installed inside the return pipe 1452, a second rotating shaft is rotatably connected to the first support plate 1454, an oil exhaust fan 1453 and a first bevel gear 1455 are installed on the second rotating shaft, an exhaust chamber is installed at one end of the filter housing 11, a centrifugal impeller 1457 is installed in the exhaust chamber, the centrifugal impeller 1457 is installed on the transmission shaft 137, a second bevel gear 1456 is installed at one end of the transmission shaft 137, and the first bevel gear 1455 and the second bevel gear 1456 are meshed. The heat transfer oil flows in the return pipe 1452, and the heat transfer oil drives the oil exhaust fan 1453 to rotate. The oil exhaust fan 1453 drives the second rotating shaft to rotate. The second rotating shaft drives the first bevel gear 1455 to rotate. The first bevel gear 1455 drives the second bevel gear 1456 to rotate. The second bevel gear 1456 drives the transmission shaft 137 to rotate. The transmission shaft 137 drives the centrifugal impeller 1457 to rotate.

[0036] The exhaust gas treatment structure 15 includes a protection box 151, which is mounted on the outer surface of the filter housing 11. An air inlet structure 152 is mounted in the protection box 151. One end of the air inlet structure 152 is mounted on one side of the centrifugal impeller 1457. The other end of the air inlet structure 152 is mounted with a mounting plate 153. The mounting plate 153 is mounted on the inner wall of the protection box 151. An adsorption plate 154 is rotatably connected to the mounting plate 153. Activated carbon is provided on the adsorption plate 154. An exhaust pipe is installed at the other end of the adsorption plate 154. A spiral tube is installed at one end of the exhaust pipe, and the spiral tube is installed on the outer surface of the feed pipe 3. A ratchet 155 is installed on the outer surface of the adsorption plate 154. A pendulum 158 is rotatably connected to the air inlet structure 152. A first support block 159 is installed on the air inlet structure 152. One end of the first support block 159 is rotatably connected to the third rotating shaft. A turntable 156 is installed at one end of the third rotating shaft. A pawl is installed on the outer surface of the turntable 156. The pawl and the ratchet 155 cooperate with each other. A third bevel gear 157 is installed at the other end of the third rotating shaft.

[0037] The air intake structure 152 includes an air intake pipe 1521, which is installed on one side of the adsorption plate 154. A second support plate 1524 is installed inside the air intake pipe 1521. The fourth rotating shaft 1522 is rotatably connected to the second support plate 1524. An exhaust fan 1523 is installed at one end of the fourth rotating shaft 1522. A fifth bevel gear 1525 and a second support block 1527 are installed at the other end of the fourth rotating shaft 1522. One end of the second support block 1527 is rotatably connected to the fifth rotating shaft. A sixth bevel gear 1526 is installed on one side of the fifth rotating shaft. The sixth bevel gear 1526 is meshed with the fifth bevel gear 1525. A fourth bevel gear 1529 is installed on the other end of the fifth rotating shaft. The fourth bevel gear 1529 is meshed with the third bevel gear 157. A cam 1528 is installed on the fifth rotating shaft. The cam 1528 is located on one side of the pendulum 158.

[0038] The exhaust gas generated after the asphalt is heated is adsorbed by the centrifugal impeller 1457, and the exhaust gas is transported to the air inlet pipe 1521 by the centrifugal impeller 1457. The exhaust gas drives the exhaust fan 1523 to rotate, and the exhaust fan 1523 drives the fourth rotating shaft 1522 to rotate. The fourth rotating shaft 1522 drives the fifth bevel gear 1525 to rotate, the fifth bevel gear 1525 drives the sixth bevel gear 1526 to rotate, and the sixth bevel gear 1526 drives the fifth rotating shaft to rotate. The fifth rotating shaft drives the cam 1528 and the fourth bevel gear 1529 to rotate. The fourth bevel gear 1529 drives the third bevel gear 157 to rotate. The third bevel gear 157 drives the third rotating shaft to rotate. The third rotating shaft drives the turntable 156 to rotate. The turntable 156 drives the pawl to rotate. The pawl drives the ratchet 155 to rotate intermittently. The ratchet 155 drives the adsorption plate 154 to rotate. The mounting plate 153 rotates so that each area of ​​the adsorption surface can obtain uniform exhaust gas contact, achieving efficient adsorption of suspended particles and harmful impurities in the exhaust gas, thereby significantly improving the impurity capture efficiency. The cam 1528 pushes the pendulum 158 to swing, and the pendulum 158 swings onto the adsorption plate 154, impacting the adsorption plate 154, and vibrating the impurities attached to the adsorption plate 154, ensuring that the adsorption plate 154 always maintains the best adsorption state, avoiding the degradation of the filtering effect due to long-term accumulation, and the adsorbed exhaust gas enters the exhaust pipe, and enters the spiral pipe from the exhaust pipe, transferring the heat in the exhaust gas to the feed pipe 3, preheating the unfiltered asphalt, and increasing the initial temperature of the asphalt, thereby reducing the energy consumption required in the subsequent heating process, achieving the effect of energy saving and consumption reduction.

[0039] The defoaming structure 4 includes a defoaming shell 41, which is installed on one side of the filter shell 11, and the discharge pipe 5 is installed on one side of the defoaming shell 41. A scraper 42 and an elastic coupling 43 are installed at one end of the transmission shaft 137, and a sixth rotating shaft 44 is installed at one end of the elastic coupling 43. An eccentric wheel is installed at one end of the sixth rotating shaft 44, and a defoaming brush 46 is installed on the sixth rotating shaft 44. A defoaming tube 45 is installed at the bottom of the defoaming shell 41, and the sixth rotating shaft 44 is located in the defoaming tube 45. The outer surface of the defoaming tube 45 is provided with a guide groove. When the filtered asphalt enters the defoaming shell 41, the transmission shaft 137 drives the elastic coupling 43 to rotate, the elastic coupling 43 drives the sixth rotating shaft 44 to rotate, and the sixth rotating shaft 44 drives the eccentric wheel and the defoaming brush 46 to rotate. The eccentric wheel causes the sixth rotating shaft 44 to vibrate with a certain frequency and amplitude, so that the bubbles inside the asphalt quickly float to the liquid surface. After the bubbles reach the liquid surface, the defoaming brush 46 rotates to puncture the bubbles gathered on the liquid surface one by one, so that the air in the bubbles is quickly discharged, thereby eliminating the potential instability factors caused by bubbles, which not only improves the fluidity of the asphalt, but also greatly improves its overall stability.

[0040] Working principle of the present invention:

[0041] During operation, asphalt is transported to the feed hopper 2, and the asphalt in the feed hopper 2 enters the feed pipe 3. The control system controls the first discharge valve to start, and the asphalt enters the filter housing 11 from the feed pipe 3. After the first discharge valve is started for a period of time, the first discharge valve is controlled to be closed, and the centrifugal pump 146 is started. The centrifugal pump 146 transports the heat transfer oil from the oil inlet pipe 141 to the heating chamber, and from the oil outlet pipe 142 to the oil distribution pipe 143. The heat transfer oil in the oil distribution pipe 143 enters the temperature regulating pipe 144, and then enters the filter housing 11. The temperature regulating pipe 144 enters the converging pipe 1451, and the heat-conducting oil in the converging pipe 1451 flows from the return pipe 1452 to the centrifugal pump 146. The centrifugal pump 146 transports the heat-conducting oil to the oil inlet pipe 141. The oil inlet pipe 141 transports the heat-conducting oil to the heating chamber. The heat-conducting oil in the heating chamber transfers heat to the asphalt. The heat-conducting oil flows in the return pipe 1452. The heat-conducting oil drives the oil exhaust fan 1453 to rotate. The oil exhaust fan 1453 drives the second rotating shaft to rotate. The second rotating shaft drives the first bevel gear 1455 to rotate. The first bevel gear 1455 drives the second bevel gear 1456 to rotate. The second bevel gear 1456 drives the transmission shaft 137 to rotate. The transmission shaft 137 drives the centrifugal impeller 1457 to rotate.

[0042] When the asphalt is in the filter housing 11, the transmission shaft 137 drives the sun gear 134 and the second stirring blade 138 to rotate, and the sun gear 134 drives the planetary gear 133 to revolve around the sun gear 134 while rotating, and the planetary gear 133 drives the first rotating shaft 135 to rotate, and the first rotating shaft 135 drives the first stirring blade 136 to rotate, and the first stirring blade 136 and the second stirring blade 138 stir the asphalt in the filter housing 11 evenly to facilitate filtration.

[0043] When the temperature in the heating chamber rises, the plugging head 1444 transfers the temperature to the bimetallic block 1445, the middle part of the bimetallic block 1445 bulges, and the bimetallic block 1445 pushes the limit plate to move away from the bimetallic block 1445, and the limit plate drives the connecting column to move, and the connecting column drives the plugging head 1444 and the plunger 1447 to move, and a part of the heat transfer oil flows from the cooling pipe 1441 to the merging pipe 1451, and the other part of the heat transfer oil flows from the heating pipe 1442 to the merging pipe 1451, until the heater heats the heat transfer oil in the heating pipe 1442 to the predetermined maximum temperature, and the plunger 1447 blocks the heating pipe 1442 to prevent the asphalt performance from deteriorating due to excessive temperature.

[0044] When the heat transfer oil transfers heat to the asphalt, the temperature in the heating chamber drops, the middle part of the bimetallic block 1445 returns to its initial state, the spring 1446 stretches and drives the limit plate to move toward the bimetallic block 1445, the limit plate drives the connecting column to move, the connecting column drives the plug 1444 and the plunger 1447 to move, a part of the heat transfer oil enters the heating pipe 1442, the heater heats the heat transfer oil, and the temperature of the heat transfer oil in the heating chamber rises, preventing the filtration efficiency from decreasing due to insufficient temperature, thereby greatly improving the stability of the product and the final project quality.

[0045] The exhaust gas generated after the asphalt is heated is adsorbed by the centrifugal impeller 1457, and the exhaust gas is transported to the air inlet pipe 1521 by the centrifugal impeller 1457. The exhaust gas drives the exhaust fan 1523 to rotate, and the exhaust fan 1523 drives the fourth rotating shaft 1522 to rotate. The fourth rotating shaft 1522 drives the fifth bevel gear 1525 to rotate, the fifth bevel gear 1525 drives the sixth bevel gear 1526 to rotate, and the sixth bevel gear 1526 drives the fifth rotating shaft to rotate. The fifth rotating shaft drives the cam 1528 and the fourth bevel gear 1529 to rotate. The fourth bevel gear 1529 drives the third bevel gear 157 to rotate. The third bevel gear 157 drives the third rotating shaft to rotate. The third rotating shaft drives the turntable 156 to rotate. The turntable 156 drives the pawl to rotate. The pawl drives the ratchet 155 to rotate intermittently. The ratchet 155 drives the adsorption plate 154 to rotate. The mounting plate 153 rotates so that each area of ​​the adsorption surface can obtain uniform exhaust gas contact, achieving efficient adsorption of suspended particles and harmful impurities in the exhaust gas, thereby significantly improving the impurity capture efficiency. The cam 1528 pushes the pendulum 158 to swing, and the pendulum 158 swings onto the adsorption plate 154, impacting the adsorption plate 154, and vibrating the impurities attached to the adsorption plate 154, ensuring that the adsorption plate 154 always maintains the best adsorption state, avoiding the degradation of the filtering effect due to long-term accumulation, and the adsorbed exhaust gas enters the exhaust pipe, and enters the spiral pipe from the exhaust pipe, transferring the heat in the exhaust gas to the feed pipe 3, preheating the unfiltered asphalt, and increasing the initial temperature of the asphalt, thereby reducing the energy consumption required in the subsequent heating process, achieving the effect of energy saving and consumption reduction.

[0046] When the filtered asphalt enters the defoaming housing 41, the transmission shaft 137 drives the elastic coupling 43 to rotate, the elastic coupling 43 drives the sixth rotating shaft 44 to rotate, and the sixth rotating shaft 44 drives the eccentric wheel and the defoaming brush 46 to rotate. The eccentric wheel causes the sixth rotating shaft 44 to vibrate with a certain frequency and amplitude, so that the bubbles inside the asphalt quickly float to the liquid surface. After the bubbles reach the liquid surface, the defoaming brush 46 rotates to puncture the bubbles gathered on the liquid surface one by one, so that the air in the bubbles is quickly discharged, thereby eliminating the potential instability factors caused by bubbles, not only improving the fluidity of the asphalt, but also greatly improving its overall stability. The second discharge valve is controlled to start, and the defoamed asphalt is discharged from the discharge pipe 5.

[0047] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. An asphalt filtering device with intelligent temperature control function, characterized in that: The asphalt filtering device comprises a filtering structure (1), a feeding pipe (3) is installed on one side of the filtering structure (1), a feeding hopper (2) is installed on one side of the feeding pipe (3), a first discharge valve is installed between the feeding pipe (3) and the filtering structure (1), a defoaming structure (4) is installed below the filtering structure (1), a discharge pipe (5) is installed on one side of the defoaming structure (4), a second discharge valve is installed between the defoaming structure (4) and the discharge pipe (5), and the first discharge valve and the second discharge valve are connected to a control system; The filtering structure (1) comprises a filtering housing (11), a defoaming structure (4) is installed on one side of the filtering housing (11), the feeding pipe (3) is installed on one end of the filtering housing (11), a filter plate (12) is installed on one side of the filtering housing (11), a stirring structure (13) is installed inside the filtering housing (11), a heating chamber is provided on the filtering housing (11), the heating chamber is filled with heat transfer oil, a temperature regulating structure (14) is installed on the other end of the filtering housing (11), and an exhaust gas treatment structure (15) is installed on one side of the filtering housing (11); The temperature control structure (14) includes an oil inlet pipe (141), one end of which is mounted on the filter housing (11), the oil inlet pipe (141) being in communication with the heating chamber, an oil outlet pipe (142) being mounted on one side of the filter housing (11), the oil outlet pipe (142) being in communication with the heating chamber, an oil distribution pipe (143) being mounted on one end of the oil distribution pipe (143), a temperature control pipe (144) being mounted on one end of the temperature control pipe (144), a driving structure (145) being mounted on one end of the driving structure (145), a centrifugal pump (146) being mounted on one end of the centrifugal pump (146), one end of the centrifugal pump (146) being mounted on the oil inlet pipe (141), and the centrifugal pump (146) being connected to a control system; The temperature regulating tube (144) includes a cooling tube (1441), a connecting tube (1443) is installed on one side of the cooling tube (1441), a heating tube (1442) is installed on one side of the connecting tube (1443), a heater is installed in the heating tube (1442), one end of the cooling tube (1441) and the heating tube (1442) are installed on the oil distribution tube (143), the other end of the cooling tube (1441) and the heating tube (1442) are installed on the driving structure (145), and a double metal is installed inside the connecting tube (1443). The bimetallic block (1445) and the fixed plate (1448) are connected, and a connecting column is slidably connected to the bimetallic block (1445), and a plug (1444) is installed at one end of the connecting column. The connecting column slides on the fixed plate (1448), and a limit plate is installed on the connecting column. A spring (1446) is installed between the limit plate and the fixed plate (1448), and the spring (1446) is sleeved on the connecting column. A plunger (1447) is installed at the other end of the connecting column, and a through slot is provided on the plunger (1447). The heater is connected to the control system.

2. The asphalt filtering device with intelligent temperature control function according to claim 1, characterized in that: The stirring structure (13) comprises a ring gear (131), the ring gear (131) being mounted inside the filter housing (11), a sealing plate (132) being rotatably connected to the ring gear (131), a planetary gear (133) being mounted on the sealing plate (132), the planetary gear (133) being meshed with the ring gear (131), a first rotating shaft (135) being mounted inside the planetary gear (133), a first stirring blade (136) being mounted on the outer surface of the first rotating shaft (135), a transmission shaft (137) being rotatably connected to the filter housing (11), a sun gear (134) being mounted on the transmission shaft (137), the sun gear (134) being meshed with the planetary gear (133), a groove being provided on the sun gear (134), and a second stirring blade (138) being mounted on the outer surface of the transmission shaft (137).

3. The asphalt filtering device with intelligent temperature control function according to claim 2, characterized in that: The driving structure (145) comprises a confluence pipe (1451), one end of the confluence pipe (1451) is mounted with a return pipe (1452), one end of the return pipe (1452) is mounted on a centrifugal pump (146), a first support plate (1454) is mounted inside the return pipe (1452), a second rotating shaft is rotatably connected to the first support plate (1454), an oil exhaust fan (1453) and a first bevel gear (1455) are mounted on the second rotating shaft, an exhaust chamber is mounted on one end of the filter housing (11), a centrifugal impeller (1457) is mounted in the exhaust chamber, the centrifugal impeller (1457) is mounted on a transmission shaft (137), a second bevel gear (1456) is mounted on one end of the transmission shaft (137), and the first bevel gear (1455) and the second bevel gear (1456) are meshed.

4. The asphalt filtering device with intelligent temperature control function according to claim 3, characterized in that: The exhaust gas treatment structure (15) comprises a protection box (151), the protection box (151) being mounted on the outer surface of the filter housing (11), an air intake structure (152) being mounted in the protection box (151), one end of the air intake structure (152) being mounted on one side of the centrifugal impeller (1457), a mounting plate (153) being mounted on the other end of the air intake structure (152), the mounting plate (153) being mounted on the inner wall of the protection box (151), an adsorption plate (154) being rotatably connected in the mounting plate (153), an exhaust pipe being mounted on the other end of the adsorption plate (154), and the exhaust pipe A spiral tube is installed at one end, and the spiral tube is installed on the outer surface of the feed pipe (3). A ratchet (155) is installed on the outer surface of the adsorption plate (154). A pendulum (158) is rotatably connected to the air inlet structure (152). A first support block (159) is installed on the air inlet structure (152). One end of the first support block (159) is rotatably connected to a third rotating shaft. A turntable (156) is installed at one end of the third rotating shaft. A pawl is installed on the outer surface of the turntable (156). The pawl and the ratchet (155) cooperate with each other. A third bevel gear (157) is installed at the other end of the third rotating shaft.

5. The asphalt filtering device with intelligent temperature adjustment function according to claim 4, characterized in that: The air inlet structure (152) includes an air inlet pipe (1521), which is installed on one side of the adsorption plate (154). A second support plate (1524) is installed inside the air inlet pipe (1521). A fourth rotating shaft (1522) is rotatably connected to the second support plate (1524). An exhaust fan (1523) is installed at one end of the fourth rotating shaft (1522), and a fifth bevel gear (1525) and a second support block (1526) are installed at the other end of the fourth rotating shaft (1522). 27), one end of the second support block (1527) is rotatably connected to a fifth rotating shaft, a sixth bevel gear (1526) is installed on one side of the fifth rotating shaft, the sixth bevel gear (1526) is meshed with the fifth bevel gear (1525), the other end of the fifth rotating shaft is installed with a fourth bevel gear (1529), the fourth bevel gear (1529) is meshed with the third bevel gear (157), a cam (1528) is installed on the fifth rotating shaft, and the cam (1528) is located on one side of the pendulum (158).

6. The asphalt filtering device with intelligent temperature control function according to claim 5, characterized in that: The defoaming structure (4) includes a defoaming shell (41), the defoaming shell (41) is installed on one side of the filter shell (11), the discharge pipe (5) is installed on one side of the defoaming shell (41), one end of the transmission shaft (137) is installed with a scraper (42) and an elastic coupling (43), one end of the elastic coupling (43) is installed with a sixth rotating shaft (44), one end of the sixth rotating shaft (44) is installed with an eccentric wheel, and a defoaming brush (46) is installed on the sixth rotating shaft (44), a defoaming pipe (45) is installed at the bottom of the defoaming shell (41), the sixth rotating shaft (44) is located in the defoaming pipe (45), and the outer surface of the defoaming pipe (45) is provided with a guide groove.

7. The asphalt filtering device with intelligent temperature adjustment function according to claim 6, characterized in that: The plugging head (1444) is made of a temperature-sensitive material, and activated carbon is provided on the adsorption plate (154).

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