CN115008627A

CN115008627A - Mixing apparatus that rubber powder modified asphalt prevented deposiing

Info

Publication number: CN115008627A
Application number: CN202210674221.1A
Authority: CN
Inventors: 毛宇; 阳逸鸣; 刘灵勇; 曹尧宇
Original assignee: Hunan City University
Current assignee: Hunan City University
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-09-06

Abstract

The invention discloses mixing equipment for preventing rubber powder modified asphalt from precipitating, which relates to the technical field of asphalt and comprises a mixing box, wherein an output shaft of a driving motor is fixedly connected with a mixing stirring shaft, the top of the inner side of the mixing box is provided with a feeding mechanism, two sides of the inner part of the mixing box are respectively provided with a material guiding mechanism, the back of the mixing box is provided with a transmission mechanism, the outer side of the mixing box is sleeved with a heating cylinder, the top of the right side of the mixing box is communicated with an exhaust pipe, the inner part of the exhaust pipe, which is positioned at the left side of a fan, is provided with an active carbon adsorption layer, and the inner side of the exhaust pipe is provided with a water cooling mechanism. The steam that produces during the mixture can cool off through the water-cooling mechanism in the blast pipe to let steam can cool off when discharging, thereby let harmful substance dust particle in the steam adsorb on the water-cooling mechanism, and the water-cooling mechanism can be with the water stain of adsorption and the harmful substance granule guide back mixing box in, thereby reduced the influence to operational environment.

Description

Mixing apparatus that rubber powder modified asphalt prevented deposiing

Technical Field

The invention relates to the technical field of asphalt, in particular to mixing equipment for preventing rubber powder modified asphalt from precipitating.

Background

The rubber powder modified asphalt is a bonding material prepared by adding rubber powder prepared from waste tires as a modifier into matrix asphalt and performing a series of actions such as high temperature, additive, shearing, mixing and the like in a special device, in the preparation process of the rubber asphalt, the rubber powder is required to be uniformly dispersed in the asphalt through stirring, the rubber powder cannot agglomerate and agglomerate at all, the rubber powder needs to be uniformly mixed in the mixing process of the rubber powder modified asphalt at present, but the rubber powder is heated in the mixing process, the heat can melt the rubber powder, and therefore harmful substance particles are easily discharged out of air when residual hot gas is discharged, and certain pollution is caused to the working environment.

Disclosure of Invention

The invention aims to provide mixing equipment for preventing rubber powder modified asphalt from precipitating so as to solve the problems mentioned in the background technology.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a mixing apparatus that rubber powder modified asphalt prevented deposiing, includes the mixing box, the top intercommunication of mixing box has the feeder hopper, the mid-mounting at mixing box top has driving motor, driving motor's the mixed (mixing) shaft of output shaft fixedly connected with, feed mechanism is installed at the top of mixing box inboard, guide mechanism is all installed to the inside both sides of mixing box, the back mounted of mixing box has drive mechanism, the cartridge heater has been cup jointed in the outside of mixing box, the mixing box has the top intercommunication on right side to have the blast pipe, the fan is installed on the inside right side of blast pipe, the inside left side that is located the fan of blast pipe installs the active carbon adsorption layer, water-cooling mechanism is installed to the inboard of blast pipe.

Optionally, the feeding mechanism comprises two feeding plates and a bevel gear A, the top of each feeding plate is mounted at the top of the inner wall of the mixing box through a pin shaft, the bevel gear A is sleeved on the mixing stirring shaft, the bevel gear B is meshed with the two sides of the bevel gear A, a rotating shaft is fixedly connected to one side of the bevel gear B, one end, far away from the bevel gear B, of the rotating shaft is fixedly connected with an eccentric rotating wheel, and the top of the eccentric rotating wheel is in contact with the bottom of the feeding plate.

Optionally, the material guiding mechanism includes a material guiding shaft and a material guiding helical blade, the outer side of the material guiding shaft is mounted at the bottom of the mixing box through a bearing sleeve, and the material guiding helical blade is mounted at the outer side of the material guiding shaft.

Optionally, the transmission mechanism includes a transmission shaft, the outer side of the transmission shaft is mounted on the back of the mixing box through a bearing seat, a conveyor belt a is connected between the top end of the transmission shaft and the output shaft of the driving motor in a transmission manner, and a conveyor belt B is connected between the bottom end of the transmission shaft and the bottom end of the material guide shaft in a transmission manner.

Optionally, water-cooling mechanism includes cooler bin, condenser tube and water drainage cover, the both ends of condenser tube all communicate with the cooler bin through the connecting pipe, condenser tube's top swing joint is at the top of blast pipe inner wall, water drainage cover intercommunication is in the bottom of blast pipe, water drainage cover's bottom intercommunication has the pipe that inclines, the one end and the mixing box of pipe that inclines are linked together, the water guide subassembly is installed in condenser tube's left side.

Optionally, the water guide assembly comprises a V-shaped pipe, a piston rod is installed on the left side inside the V-shaped pipe, the left end of the piston rod is in contact with the front face of the top of the feeding plate, a spring is fixedly connected to the right end of the piston rod, an air plug is slidably connected to the right side inside the V-shaped pipe, a push rod is fixedly connected to the right side of the air plug, and the right side of the push rod is in contact with the cooling water pipe.

Optionally, the shrouding is installed through the hinge in the top of feeder hopper, the bottom of feeder hopper is connected with driving motor.

Optionally, bevel gear A's outside cover is equipped with the safety cover, the connection bearing is all installed with top and bottom to the both sides of safety cover, and the front of safety cover all is connected with the inner wall of mixing box through the installation pole with the back.

The invention has the technical effects and advantages that:

1. through the use of blast pipe and water-cooling mechanism for the steam that produces when mixing can cool off through the water-cooling mechanism in the blast pipe, thereby lets steam can cool off when discharging, thereby lets the harmful substance dust granule in the steam adsorb on the water-cooling mechanism, and the water-cooling mechanism can be with the water stain of adsorption and the harmful substance granule guide back the mixing box in, thereby has reduced the influence to operational environment.

2. The feeding mechanism and the guide mechanism are matched for use, so that the feeding mechanism can drop the added materials to the guide mechanism, the two guide mechanisms can respectively conduct the entering rubber powder to the bottom of the mixed physics, and the rubber powder and the top of the mixed physics are stirred and mixed, and accordingly the uniform effect after mixing is guaranteed.

3. Through the use of water guide subassembly for adsorb on the water cooling mechanism and obtain water stain and harmful substance granule and drop the mixing box of arranging back in the drain cover through pounding.

4. Through drive mechanism's use for drive mechanism can conveniently let two guide mechanisms carry out the rotation of equidirectional not, thereby can drive the material of mixture and carry out different stirs, thereby the better misce bene effect of having guaranteed the material.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a bottom view of the mixing box of the present invention;

FIG. 3 is a side view of the cooling water tube of the present invention;

FIG. 4 is a schematic view of a propeller shaft according to the present invention;

fig. 5 is a schematic view of the water guide assembly of the present invention.

In the figure: 1 mixing box, 2 feed hoppers, 3 mixing stirring shafts, 4 feeding mechanisms, 41 feeding plates, 42 bevel gear A, 43 bevel gear B, 44 rotating shafts, 45 eccentric rotating wheels, 5 guide mechanisms, 51 guide shafts, 52 guide spiral blades, 6 transmission mechanisms, 61 transmission shafts, 62 conveyor belts A, 63 conveyor belts B, 7 heating cylinders, 8 exhaust pipes, 9 water cooling mechanisms, 91 cooling boxes, 92 cooling water pipes, 93 drainage covers, 94 inclined pipes, 95 water guide assemblies, 951V-shaped pipes, 952 piston rods, 953 springs, 954 air plugs, 955 push rods and 10 protective covers.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

In the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected or detachably connected; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The invention provides a mixing device for preventing rubber powder modified asphalt from precipitating as shown in figures 1-5, which comprises a mixing box 1, wherein the top of the mixing box 1 is communicated with a feed hopper 2, the middle part of the top of the mixing box 1 is provided with a driving motor, the top of the feed hopper 2 is provided with a sealing plate through a hinge, the bottom of the feed hopper 2 is connected with the driving motor, an output shaft of the driving motor is fixedly connected with a mixing stirring shaft 3, the top of the inner side of the mixing box 1 is provided with a feeding mechanism 4, two sides of the inner part of the mixing box 1 are respectively provided with a guide mechanism 5, the back of the mixing box 1 is provided with a transmission mechanism 6, the outer side of the mixing box 1 is sleeved with a heating cylinder 7, the top of the right side of the mixing box 1 is communicated with an exhaust pipe 8, the right side of the inner part of the exhaust pipe 8 is provided with a fan, the left side of the inner part of the exhaust pipe 8 is provided with an active carbon adsorption layer, and the inner side of the exhaust pipe 8 is provided with a water cooling mechanism 9.

Add into mixing box 1 with pitch magazine rubber powder through feeder hopper 2 in, driving motor drives and mixes (mixing) shaft 3 and stir, in continuously stirring feeding process, the rubber powder drops on feed mechanism 4 through feeder hopper 2, the rubber powder that drops on feed mechanism 4 is on dropping two guide mechanisms 5 through the vibration, two guide mechanisms turn the material of stirring and the rubber powder that gets into, the heat that the cartridge heater 5 produced simultaneously can heat when mixing the stirring, the steam that produces during the heating can be discharged through blast pipe 8, harmful substance granule in the steam cools off through water-cooling mechanism 9 and adsorbs, thereby return to in the mixing box 1.

Feed mechanism 4 includes two feed plates 41 and bevel gear A42, the top of feed plate 41 is installed at the top of mixing box 1 inner wall through the round pin axle, bevel gear A42 cup joints on mixing (mixing) shaft 3, bevel gear A42's outside cover is equipped with safety cover 10, connecting bearing is all installed with top and bottom to the both sides of safety cover 10, and the front of safety cover 10 all is connected with the inner wall of mixing box 1 through the installation pole with the back, bevel gear B43 has all been meshed to bevel gear A42's both sides, one side fixedly connected with pivot 44 of bevel gear B43, the one end fixedly connected with eccentric rotating wheel 45 of bevel gear B43 is kept away from to pivot 44, the top of eccentric rotating wheel 45 contacts with the bottom of feed plate 41.

When the mixing stirring shaft 3 rotates, the bevel gear a42 drives the rotating shaft 44 to rotate through the bevel gear B43, and the eccentric rotating wheel 45 on the rotating shaft 44 drives the feeding plate 41 to vibrate.

The material guiding mechanism 5 comprises a material guiding shaft 51 and a material guiding helical blade 52, wherein the outer side of the material guiding shaft 51 is installed at the bottom of the mixing box 1 through a bearing sleeve, and the material guiding helical blade 52 is installed at the outer side of the material guiding shaft 51.

The guide shafts 51 and the guide helical blades 52 on the two guide mechanisms 5 rotate in different directions, so that the rubber powder falling on the top of the guide mechanisms 5 can be mixed on the surface and enter the bottom of the mixed material.

The transmission mechanism 6 comprises a transmission shaft 61, the outer side of the transmission shaft 61 is installed on the back of the mixing box 1 through a bearing seat, a transmission belt A62 is connected between the top end of the transmission shaft 61 and the output shaft of the driving motor 2 in a transmission manner, and a transmission belt B63 is connected between the bottom end of the transmission shaft 61 and the bottom end of the material guide shaft 51 in a transmission manner.

The conveyer belt A62 on the transmission mechanism 6 can make the mixing stirring shaft 3 drive the transmission shaft 61 to rotate, and the conveyer belt B63 can drive the material guiding mechanism 5 to rotate.

Water-cooling mechanism 9 includes cooler bin 91, condenser tube 92 and drain cover 93, and condenser tube 92's both ends all are linked together with cooler bin 91 through the connecting pipe, and condenser tube 92's top swing joint is at the top of 8 inner walls of blast pipe, and drain cover 93 intercommunication is in the bottom of blast pipe 8, and drain cover 93's bottom intercommunication has inclined pipe 94, and inclined pipe 94's one end is linked together with mixing box 1, and water guide assembly 95 is installed in condenser tube 92's left side.

When hot gas is through condenser tube 92, hot gas cools off, and condenser tube 92's surface will adsorb the water stain, adsorbs the harmful substance granule in the hot gas simultaneously, moves water distributor 95 and lets the water stain and the harmful substance granule on condenser tube 92 surface flow back to mixing box 1 through inclined tube 94.

The water guide assembly 95 comprises a V-shaped pipe 951, a piston rod 952 is installed on the left side inside the V-shaped pipe 951, the left end of the piston rod 952 contacts with the front side of the top of the feeding plate 41, a spring 953 is fixedly connected to the right end of the piston rod 952, an air plug 954 is slidably connected to the right side inside the V-shaped pipe 951, a push rod 955 is fixedly connected to the right side of the air plug 954, and the right side of the push rod 955 contacts with the cooling water pipe 92.

In-process that vibrates is carried out at feed plate 41, piston rod 952 can promote to the air in the extrusion V-arrangement pipe 951 lets air cock 954 drive the promotion condenser tube 92 that push rod 955 does not stop, thereby lets the water stain on condenser tube 92 and harmful physical particle drop.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a mixing apparatus that rubber powder modified asphalt prevents deposiing, includes mixing box (1), its characterized in that: the top intercommunication of mixing box (1) has feeder hopper (2), the mid-mounting at mixing box (1) top has driving motor, driving motor's output shaft fixedly connected with mixes (mixing) shaft (3), feed mechanism (4) are installed at the top of mixing box (1) inboard, guide mechanism (5) are all installed to the both sides of mixing box (1) inside, the back-mounted of mixing box (1) has drive mechanism (6), cartridge heater (7) have been cup jointed in the outside of mixing box (1), top intercommunication that mixing box (1) has the right side has blast pipe (8), the fan is installed on the inside right side of blast pipe (8), the inside left side that is located the fan of blast pipe (8) is installed the active carbon adsorbed layer, water-cooling mechanism (9) are installed to the inboard of blast pipe (8).

2. The mixing apparatus for preventing rubber powder modified asphalt from settling as claimed in claim 1, wherein: feed mechanism (4) include two feed plates (41) and bevel gear A (42), the top of feed plate (41) is installed at the top of mixing box (1) inner wall through the round pin axle, bevel gear A (42) cup joint on mixing (mixing) shaft (3), bevel gear B (43) have all been meshed to the both sides of bevel gear A (42), one side fixedly connected with pivot (44) of bevel gear B (43), the one end fixedly connected with eccentric rotating wheel (45) of bevel gear B (43) are kept away from in pivot (44), the top of eccentric rotating wheel (45) contacts with the bottom of feed plate (41).

3. The mixing apparatus for preventing rubber powder modified asphalt from settling as claimed in claim 2, wherein: the material guide mechanism (5) comprises a material guide shaft (51) and a material guide helical blade (52), the outer side of the material guide shaft (51) is installed at the bottom of the mixing box (1) through a bearing sleeve, and the material guide helical blade (52) is installed at the outer side of the material guide shaft (51).

4. The mixing apparatus for preventing rubber powder modified asphalt from settling as claimed in claim 3, wherein: the transmission mechanism (6) comprises a transmission shaft (61), the outer side of the transmission shaft (61) is installed on the back face of the mixing box (1) through a bearing seat, a conveyor belt A (62) is connected between the top end of the transmission shaft (61) and an output shaft of the driving motor (2) in a transmission mode, and a conveyor belt B (63) is connected between the bottom end of the transmission shaft (61) and the bottom end of the material guide shaft (51) in a transmission mode.

5. The mixing apparatus for preventing rubber powder modified asphalt from settling as claimed in claim 4, wherein: water-cooling mechanism (9) are including cooler bin (91), cooling water pipe (92) and water drainage cover (93), the both ends of cooling water pipe (92) all are linked together through connecting pipe and cooler bin (91), the top swing joint of cooling water pipe (92) is at the top of blast pipe (8) inner wall, water drainage cover (93) intercommunication is in the bottom of blast pipe (8), the bottom intercommunication of water drainage cover (93) has slope pipe (94), the one end and mixing box (1) of slope pipe (94) are linked together, water guide subassembly (95) are installed in the left side of cooling water pipe (92).

6. The mixing apparatus for preventing rubber powder modified asphalt from settling as claimed in claim 5, wherein: water guide subassembly (95) include V-arrangement pipe (951), piston rod (952) are installed to the inside left side of V-arrangement pipe (951), the left end of piston rod (952) contacts with the front at feed plate (41) top, the right-hand member fixedly connected with spring (953) of piston rod (952), the inside right side sliding connection of V-arrangement pipe (951) has gas stopper (954), the right side fixedly connected with push rod (955) of gas stopper (954), the right side and the cooling water pipe (92) of push rod (955) contact.

7. The mixing apparatus for preventing rubber powder modified asphalt from settling as claimed in claim 6, wherein: the top of feeder hopper (2) installs the shrouding through the hinge, the bottom of feeder hopper (2) is connected with driving motor (2).

8. The mixing apparatus for preventing rubber powder modified asphalt from settling as claimed in claim 7, wherein: the outside cover of bevel gear A (42) is equipped with safety cover (10), the both sides and top and the bottom of safety cover (10) all install connection bearing, and the front of safety cover (10) all is connected with the inner wall of mixing box (1) through the installation pole with the back.