Search

CN-122006572-A - Preparation device and preparation method of low-temperature rubber asphalt scrap steel slag mixture

CN122006572ACN 122006572 ACN122006572 ACN 122006572ACN-122006572-A

Abstract

The invention relates to the technical field of road engineering material preparation, in particular to a low-temperature rubber asphalt steel scrap slag mixture preparation device and a preparation method, wherein the device comprises a tank body and three groups of screening mechanisms and is characterized in that: still include the mount pad of fixed mounting at jar body top to and the equidistance distributes at three quantitative conveying mechanism of group at the mount pad top, the top fixed mounting of mount pad has the top cap, and the top fixed mounting of top cap has the actuating mechanism that extends to the mount pad inside, and actuating mechanism's bottom fixed mounting has the rabbling mechanism that extends to jar internal portion, through actuating mechanism drive three quantitative conveying mechanism of group and rabbling mechanism synchronous operation, three quantitative conveying mechanism of group operation drive three screening mechanism of group operation respectively. According to the invention, through the cooperative work of the quantitative conveying mechanism, the screening mechanism and the stirring mechanism, rubber powder, low-temperature modified asphalt and waste steel slag raw materials can be conveyed in a precise proportion, and the vibrating roller screen improves the screening efficiency of the waste steel slag and prevents the blocking of holes.

Inventors

  • FENG HAIBO
  • LV GANG

Assignees

  • 中油路之星新材料有限公司

Dates

Publication Date
20260512
Application Date
20260327

Claims (10)

  1. 1. The low-temperature rubber asphalt scrap steel slag mixture preparation device comprises a tank body (1) and three groups of screening mechanisms (4) and is characterized by further comprising a mounting seat (2) fixedly mounted at the top of the tank body (1) and three groups of quantitative conveying mechanisms (3) equidistantly distributed at the top of the mounting seat (2), wherein a top cover (201) is fixedly mounted at the top of the mounting seat (2), a driving mechanism (5) extending to the inside of the mounting seat (2) is fixedly mounted at the top of the top cover (201), a stirring mechanism (6) extending to the inside of the tank body (1) is fixedly mounted at the bottom of the driving mechanism (5), the three groups of quantitative conveying mechanisms (3) and the stirring mechanism (6) are driven to synchronously operate, and the three groups of quantitative conveying mechanisms (3) are respectively driven to operate the three groups of screening mechanisms (4); Three groups screening mechanism (4) equidistance is installed inside mount pad (2), screening mechanism (4) including fixed hanging vibration gallows (403) at mount pad (2) roof, the bottom movable mounting of vibration gallows (403) has mounting bracket (402), the inside fixed mounting of mounting bracket (402) has screening cylinder (401), the one end fixed mounting of screening cylinder (401) has face ring (4011), one side fixed mounting of vibration gallows (403) has flushing water pipe (404), the one end fixed mounting of flushing water pipe (404) has annular valve pipe (405), shake in screening cylinder (401) rolling through the cooperation of vibration gallows (403) and mounting bracket (402), the mesh of vibration roller screen is reached, utilize low Wen Bange water that flushing water pipe (404) spun to wash screening cylinder (401) that the screening was accomplished, and the water source that the flushing produced directly carries to tank (1) mix inside for low temperature rubber asphalt waste steel slag mixture provides the water source, reach a dual-purpose of saving water.
  2. 2. The preparation device of the low-temperature rubber asphalt steel slag mixture is characterized in that the vibration hanging frame (403) comprises two hanging frames (4031) hung in the installation seat (2), a penetrating installation rod (4032) is rotatably installed between the two hanging frames (4031), an elliptical wheel (4033) is fixedly installed on the outer side of the installation rod (4032), a second bevel gear (4034) is fixedly installed at one end of the installation rod (4032), and the upper meshing surface and the lower meshing surface of the second bevel gear (4034) are respectively connected with a transmission bevel gear rod (406) and a linkage transmission mechanism (407) in a meshed mode, and the linkage transmission mechanism (407) is installed on one side of the hanging frame (4031) through a bearing seat; The mounting frame (402) comprises a mounting plate (4022) positioned above the screening roller (401), a roller (4023) is rotatably arranged in the mounting plate (4022), bearing hoop frames (4021) are fixedly arranged at two ends of the mounting plate (4022), two guide rods (4024) are fixedly arranged at two sides of the top of the bearing hoop frames (4021), the two guide rods (4024) extend to the inside of the lifting frame (4031), a reset spring (4025) is sleeved on the outer side of the guide rod (4024), and the reset spring (4025) is positioned in the lifting frame (4031); One side of the face gear ring (4011) is provided with a through blanking pipe (4012) through a rotary disc, the blanking pipe (4012) is arranged on the outer side of the mounting seat (2) through a hoop frame, and the other end of the screening roller (401) is provided with a through feeding pipe (4013) through the rotary disc.
  3. 3. The low-temperature rubber asphalt steel slag mixture preparation device according to claim 1, wherein the linkage transmission mechanism (407) comprises a spline rod (4071), a third bevel gear (4072), a fourth bevel gear (4073) and a spline groove (4074), the third bevel gear (4072) is fixedly arranged at the top end of the spline rod (4071), the fourth bevel gear (4073) is movably sleeved at the bottom end of the spline rod (4071) through the spline groove (4074), and the top of the fourth bevel gear (4073) is arranged at one side of a bearing hoop frame (4021) through a bearing seat.
  4. 4. The preparation device of the low-temperature rubber asphalt and steel slag mixture is characterized in that the quantitative conveying mechanism (3) consists of a weighing hopper (301), a conveying pipe (302), a spiral conveying rod (303), a first bevel gear (304), a flexible connecting pipe (305) and a pressure sensor (306), one side of the weighing hopper (301) is fixedly provided with the through conveying pipe (302), the spiral conveying rod (303) extending into the weighing hopper (301) is rotatably arranged in the conveying pipe (302), one end of the spiral conveying rod (303) is fixedly provided with the first bevel gear (304), the other end of the spiral conveying rod (303) is fixedly provided with a driven gear (307), the driven gear (307) is meshed with a transmission conical toothed rod (406), one side of the bottom of the conveying pipe (302) is fixedly provided with the flexible connecting pipe (305), the bottom end of the flexible connecting pipe (305) is fixedly connected with the top of the feeding pipe (4013), and the pressure sensor (306) is equidistantly distributed at the bottom of the weighing hopper (301).
  5. 5. The low-temperature rubber asphalt steel slag mixture preparation device according to claim 4, wherein the driving mechanism (5) comprises a driving motor (501), a driving rod (502) and a driving bevel gear (503), the driving rod (502) is fixedly arranged at the output end of the driving motor (501), the driving bevel gear (503) is fixedly sleeved at the top of the outer side of the driving rod (502), and the bottom surfaces of the driving bevel gears (503) are respectively connected with the three first bevel gears (304) in a meshed mode.
  6. 6. The low-temperature rubber asphalt and steel scrap mixture preparation device according to claim 1, wherein the stirring mechanism (6) comprises a support (601), a rotating rod (602), stirring components (603), a spiral stirring rod (604) and a conical stirring frame (605), two supports (601) are fixedly sleeved on the outer sides of two ends of the spiral stirring rod (604), an equidistant rotating rod (602) is rotatably arranged between the two supports (601), an equidistant stirring component (603) is fixedly arranged on the outer side of the rotating rod (602), and the conical stirring frame (605) is fixedly arranged at the bottom end of the spiral stirring rod (604).
  7. 7. The device for preparing the low-temperature rubber asphalt and steel slag mixture, as claimed in claim 6, wherein the stirring assembly (603) comprises a fixing frame (6031), a telescopic sleeve (6032), telescopic springs (6033) and scraping plates (6034), the telescopic sleeve (6032) distributed at equal intervals is movably sleeved on the outer side of the fixing frame (6031), the telescopic springs (6033) are fixedly arranged in the telescopic sleeve (6032), one ends of the telescopic springs (6033) are fixedly connected with one ends of the fixing frame (6031), and the scraping plates (6034) are fixedly arranged at one ends of the telescopic sleeve (6032).
  8. 8. The low-temperature rubber asphalt and steel scrap mixture preparation device according to claim 1, wherein a side cover (101) is fixedly arranged on one side of the tank body (1), three groups of moisture monitoring assemblies (103) are equidistantly arranged in the side cover (101), each moisture monitoring assembly (103) consists of a moisture meter (1031), a protection head (1032) and a spring expansion piece (1033), the spring expansion piece (1033) is fixedly arranged on one side of the moisture meter (1031), one end of the spring expansion piece (1033) is fixedly connected with the inner wall of the side cover (101), and the protection head (1032) is sleeved at one end of the moisture meter (1031).
  9. 9. The device for preparing the low-temperature rubber asphalt steel scrap mixture according to claim 8, wherein a control box (102) is fixedly arranged on the front surface of the side cover (101), a water delivery pump (1021) is fixedly arranged on one side of the inside of the control box (102), the output end of the water delivery pump (1021) is in through connection with the annular valve tube (405) through a pipeline, and a controller (1022) is fixedly arranged on the other side of the inside of the control box (102).
  10. 10. A method for preparing a low-temperature rubber asphalt scrap steel slag mixture, comprising the low-temperature rubber asphalt scrap steel slag mixture preparation device according to any one of claims 1 to 9, characterized in that the preparation method comprises the following steps: Firstly, respectively putting rubber powder, low-temperature modified asphalt and scrap steel slag raw materials into three groups of weighing hoppers (301), weighing the put raw materials through a pressure sensor (306), transmitting weighing data to a controller (1022) for calculation, and controlling a driving mechanism (5) to electrify and operate by the controller (1022) when the raw materials in the weighing hoppers (301) reach the weight of the low-temperature mixture ratio; Step two, a driving motor (501) is electrified to operate to drive a transmission rod (502) to rotate, the rotating transmission rod (502) drives a transmission bevel gear (503) and a stirring mechanism (6) at the bottom to synchronously rotate, the rotating transmission bevel gear (503) drives three first bevel gears (304) which are in meshed connection to synchronously rotate, the rotating first bevel gears (304) drive a spiral material conveying rod (303) to rotate, the rotating spiral material conveying rod (303) conveys raw materials in a weighing hopper (301) to one end of a material conveying pipe (302), the raw materials are conveyed to a feeding pipe (4013) through a flexible connecting pipe (305) at the bottom of the material conveying pipe (302), and the raw materials are conveyed to the inside of a screening roller (401) through the feeding pipe (4013); The spiral material conveying rod (303) transmits power to a transmission conical toothed bar (406) through a driven gear (307) which is in meshed connection, the transmission conical toothed bar (406) is driven to rotate, the rotating transmission conical toothed bar (406) drives a mounting bar (4032) to rotate through a second conical gear (4034), and drives a linkage transmission mechanism (407) which is in meshed connection to rotate, the rotating linkage transmission mechanism (407) drives a screening roller (401) to roll through a meshed connection face toothed ring (4011), the rolling screening roller (401) screens the raw materials such as waste steel slag and rubber powder in the interior, the rotating mounting bar (4032) drives an elliptic wheel (4033) to rotate, the rotating elliptic wheel (4033) intermittently pushes against a bearing hoop frame (4021) on two sides of a mounting plate (4022) to move down intermittently, the intermittently moved bearing hoop frame (4021) drives a reset spring (4025) to perform intermittent pressing through a guide bar (4024), and the elastic reset hoop (4021) generated by the intermittently pressed reset spring (4025) drives the elastic hoop to drive the reset spring (4021) to drive the inner bearing frame (401) to perform vibration screening; The rotary stirring mechanism (6) synchronously carries out low-temperature stirring on qualified raw materials screened by the screening mechanism (4) to realize synchronous screening stirring and avoid raw material accumulation, wherein a rotary spiral stirring rod (604) drives a conical stirring frame (605) to carry out low-temperature stirring on the mixture at the bottom layer of the tank body (1), meanwhile, the rotary spiral stirring rod (604) is utilized to convey the mixture at the bottom layer of the tank body (1) to the upper layer, so that the full mixing of the mixture at the bottom layer and the mixture at the upper layer is realized, the uniformity of the mixture of the low-temperature rubber asphalt and the steel slag is improved, the stirring assembly (603) is driven to carry out rotary movement through the cooperation of a bracket (601) and a rotary rod (602) when the spiral stirring rod (604) rotates, and the rotary stirring assembly (603) carries out stirring on the mixture in the tank body (1) and simultaneously cleans the mixture on the inner wall of the tank body (1); After the screening of the screening roller (401) is finished, water for low-temperature mixing is sent to a flushing water pipe (404) through an annular valve pipe (405), the screening roller (401) is flushed through a water source sprayed out of the flushing water pipe (404), waste steel slag particles blocked in screen holes can be cleaned by flushing, the purpose of automatically cleaning the screening roller (401) is achieved, a water source for cleaning the screening roller (401) falls into a tank body (1), the purpose of cleaning the screening roller (401) and simultaneously completing mixing and water injection of a low-temperature rubber asphalt waste steel slag mixture is achieved, and the water saving effect of the device is improved; Step six, detecting the water content of the mixture at different positions of the tank body (1) through a water meter (1031) in the three groups of water monitoring assemblies (103), transmitting three groups of monitoring electric signals to a controller (1022) for calculation, and controlling the water supply pump (1021) to stop supplying water sources and accurately controlling the water consumption for low-temperature mixing when the controller (1022) calculates that the three groups of water detection data reach a low-temperature mixing set threshold value.

Description

Preparation device and preparation method of low-temperature rubber asphalt scrap steel slag mixture Technical Field The invention relates to the technical field of road engineering material preparation, in particular to a low-temperature rubber asphalt steel scrap slag mixture preparation device and a preparation method. Background With the promotion of green highways and solid waste resource utilization, the waste steel slag has good road potential as roadbed and pavement mixture aggregate, the rubber asphalt can improve the crack resistance and wear resistance of the pavement, and the low-temperature mixing technology can reduce energy consumption and harmful gas emission. The traditional mixture preparation device has the problems of screening and mixing separation, low preparation efficiency, high water resource consumption, easy hole blocking during waste steel slag screening, poor low-temperature mixing uniformity and the like, and is difficult to meet the requirements of low-temperature modified asphalt waste steel slag mixture road performance improvement research on preparation precision, environmental protection and performance stability. In order to solve the defects, the invention provides a preparation device and a preparation method of a low-temperature rubber asphalt scrap steel slag mixture. Disclosure of Invention The invention aims to solve the defects of the prior art that the preparation of the mixture is screened, stirred and separated, the efficiency is low, the water resource is wasted, the waste steel slag is easily blocked by screening, the low-temperature mixing uniformity is poor, and the like. In order to achieve the above purpose, the present invention provides the following technical solutions: The low-temperature rubber asphalt scrap steel slag mixture preparation device comprises a tank body and three groups of screening mechanisms, and is characterized by further comprising an installation seat fixedly installed at the top of the tank body and three groups of quantitative conveying mechanisms which are equidistantly distributed at the top of the installation seat, wherein a top cover is fixedly installed at the top of the installation seat, a driving mechanism which extends into the installation seat is fixedly installed at the top of the top cover, a stirring mechanism which extends into the tank body is fixedly installed at the bottom of the driving mechanism, the three groups of quantitative conveying mechanisms and the stirring mechanism are driven to synchronously operate by the driving mechanism, and the three groups of quantitative conveying mechanisms which operate respectively drive the three groups of screening mechanisms to operate; Three groups screening mechanism equidistance is installed inside the mount pad, screening mechanism is including the vibration gallows of fixed hoist and mount at the mount pad roof, vibration gallows's bottom movable mounting has the mounting bracket, the inside fixed mounting of mounting bracket has the screening cylinder, the one end fixed mounting of screening cylinder has a face ring gear, one side fixed mounting of vibration gallows has the flushing water pipe, the one end fixed mounting of flushing water pipe has the annular valve pipe, shake in screening cylinder rolling through the cooperation of vibration gallows and mounting bracket, reach the purpose of vibrations roller screen, utilize flushing water pipe spun low Wen Bange water to wash the screening cylinder that the screening was accomplished, and the water source that the washing produced is directly carried to the inside water source that provides for low temperature rubber asphalt steel scrap mixture mix, reach a dual-purpose water saving purpose. Preferably, the vibration hanger comprises two lifting frames which are lifted in the mounting seat, a penetrating mounting rod is rotatably mounted between the two lifting frames, an elliptical wheel is fixedly mounted on the outer side of the mounting rod, a second bevel gear is fixedly mounted at one end of the mounting rod, the upper and lower meshing surfaces of the second bevel gear are respectively in meshed connection with a transmission bevel gear rod and a linkage transmission mechanism, and the linkage transmission mechanism is mounted on one side of the lifting frame through a bearing seat; The mounting frame comprises a mounting plate positioned above the screening roller, the inside of the mounting plate is rotationally provided with a roller, two ends of the mounting plate are fixedly provided with bearing hoop frames, two sides of the top of each bearing hoop frame are fixedly provided with two guide rods, the two guide rods extend to the inside of the lifting frame, the outer sides of the guide rods are sleeved with a reset spring, and the reset spring is positioned in the lifting frame; One side of the face toothed ring is provided with a through blanking pipe through a rotary disc, the blanking pipe is