CN114232415B - Pitch agitating unit is used in highway construction - Google Patents
Pitch agitating unit is used in highway construction Download PDFInfo
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- CN114232415B CN114232415B CN202210125922.XA CN202210125922A CN114232415B CN 114232415 B CN114232415 B CN 114232415B CN 202210125922 A CN202210125922 A CN 202210125922A CN 114232415 B CN114232415 B CN 114232415B
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- stirring
- tank
- asphalt
- stirring tank
- injection
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C19/1013—Plant characterised by the mode of operation or the construction of the mixing apparatus; Mixing apparatus
- E01C19/104—Mixing by means of movable members in a non-rotating mixing enclosure, e.g. stirrers
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C19/1059—Controlling the operations; Devices solely for supplying or proportioning the ingredients
- E01C19/1068—Supplying or proportioning the ingredients
Abstract
The invention relates to the technical field of asphalt treatment equipment, and provides an asphalt stirring device for highway construction, which comprises a base, a stirring tank and a stirring assembly, wherein the stirring tank is provided with a feeding hole and a discharging hole, the stirring tank is arranged on the base, the stirring assembly comprises a plurality of stirring rods, the stirring rods are rotatably arranged in the stirring tank, a plurality of stirring rod arrays are arranged in the circumferential direction of the bottom wall of the stirring tank, an injection main pipe is additionally arranged, the injection main pipe is arranged in the stirring tank, the injection main pipe is arranged at the center of the stirring tank, and a plurality of injection branch pipes facing the stirring rods are arranged on the circumference of the injection main pipe. Through the technical scheme, the problem that the admixture is not easy to be fully mixed with the asphalt material in the prior art is solved.
Description
Technical Field
The invention relates to the technical field of asphalt treatment equipment, in particular to an asphalt stirring device for highway construction.
Background
The asphalt pavement is various kinds of pavement which is formed by mixing mineral materials with road asphalt materials, paving and rolling. The asphalt binder improves the capability of the paving aggregate to resist damage of traveling vehicles and natural factors to the pavement, so that the pavement is smooth, less in dust, impermeable and durable. Accordingly, asphalt pavement is one of the most widely used high-grade pavements in road construction. Asphalt pavement is widely applied to urban roads and highway trunks and becomes a high-grade pavement with the largest pavement area in China at present. As an asphalt pavement material, the asphalt pavement material is subjected to repeated action of load of running vehicles and long-term influence of environmental factors during use. Therefore, asphalt concrete must have good durability against the action of natural factors while having a certain bearing capacity.
In order to meet the use requirement, some water, emulsifier, stabilizer and other additives or modifiers are required to be added when the asphalt pavement material is mixed, in the prior art, the additives are added into the asphalt during stirring and are fully mixed by stirring, but the existing asphalt stirring mode is too single, the additives cannot be fully contacted with the asphalt material after being added, and are not easily mixed with the asphalt material or are not uniformly mixed, so that the performances of the asphalt pavement material are inconsistent, the problems of local cracking and the like are easily caused after the asphalt pavement material is paved into a road, the later maintenance work is increased, the surrounding pavement is required to be damaged during repairing, and the labor intensity is greatly increased.
Disclosure of Invention
The invention provides an asphalt stirring device for highway construction, which solves the problem that an external admixture is not easy to be fully mixed with an asphalt material in the related technology.
The technical scheme of the invention is as follows: the utility model provides a pitch agitating unit for highway construction, includes base, agitator tank and stirring subassembly, feed inlet and discharge gate have on the agitator tank, the agitator tank sets up on the base, the stirring subassembly includes a plurality of puddlers, and is a plurality of the puddler rotates to set up in the agitator tank, and is a plurality of the puddler array is located agitator tank bottom wall circumferencial direction adds and annotates the agent and is responsible for, annotate the agent and be responsible for the setting and be in the agitator tank, it is responsible for being located to annotate the agent agitator tank center, it is provided with a plurality of orientations to annotate the agent and be responsible for the circumference the injection agent branch pipe of puddler.
As a further technical solution, the method comprises the following steps,
still include drive mechanism, drive mechanism includes support, pivot, action wheel, driven gear, outer lane and mounting disc, the support sets up on the base, the pivot rotates to set up on the support, the action wheel with the outer lane all sets up pivot tip, driven gear rotates to set up on the support and be located the action wheel with between the outer lane, the outer circumference of action wheel with circumference all has one section teeth of a cogwheel in the outer lane, the action wheel with the outer lane in turn with driven gear meshes, the mounting disc with driven gear connects, and is a plurality of the puddler array sets up the circumference of mounting disc.
As a further technical solution, it is proposed that,
the stirring rod is provided with a plurality of stirring blades on the circumference, and the outer edges of the stirring blades are tangent to the inner wall of the stirring tank.
As a further technical solution, the method comprises the following steps,
annotate agent branch pipe one side and have the reposition of redundant personnel frustum, the opposite side has a plurality of agent outlets, it rotates to set up to annotate the agent branch pipe the agitator tank diapire, it is responsible for the orientation to annotate the agent reposition of redundant personnel frustum place side rotates.
As a further technical solution, it is proposed that,
the setting direction of the injection branch pipe is tangent to the circumferential direction of the injection main pipe, and the flow dividing frustum is positioned outside the injection branch pipe.
As a further technical solution, it is proposed that,
the support is arranged on the base in a sliding mode in the axial direction of the stirring tank, the top end of the stirring tank is open, the support is provided with a cover plate, and the cover plate is buckled with the opening through the support.
As a further technical solution, it is proposed that,
the agitator tank is characterized in that a wall cleaning piston is arranged in the agitator tank in a sliding mode in the axial direction of the agitator tank, a push shaft is arranged on the support and penetrates through the bottom wall of the agitator tank and is connected with the wall cleaning piston, and the wall cleaning piston is rubbed by the aid of the push shaft.
As a further technical solution, the method comprises the following steps,
the material outlet is hinged with a sealing plate, the base is provided with a storage tank, the inner wall of the storage tank is provided with a heat preservation layer, an included angle is formed between the axis of the stirring tank and the horizontal plane, and the storage tank is located below the material outlet.
As a further technical solution, it is proposed that,
the injection main pipe is connected with the additive storage tank by a power pump.
The working principle and the beneficial effects of the invention are as follows: the mixing tank is arranged on the base, the mixing tank is provided with a feeding hole and a discharging hole, asphalt materials enter from the feeding hole and are discharged from the discharging hole after being fully mixed, the stirring rods are rotatably arranged inside the mixing tank and rotate along the circumference of the mixing tank, the main agent injection pipe is arranged at the center of the bottom wall of the mixing tank, the agent injection pipe is arranged on the outer circumferential surface of the main agent injection pipe and faces towards the surrounding stirring rods, the asphalt materials enter from the feeding hole during operation, the stirring rods rotate along the circumference of the mixing tank, admixture enters from the main agent injection pipe and is discharged into the mixing tank through the branch agent injection pipe, the asphalt materials can rotate along the circumferential direction through stirring of the stirring rods, the main agent injection pipe is arranged at the center of the bottom wall of the mixing tank and faces towards the stirring rods, and the admixture is directly discharged to the center part of the asphalt materials through the branch agent injection pipe and gradually disperses the admixture in the reverse direction of the excircle of the asphalt materials through the stirring rods, and the admixture is more fully contacted with the asphalt materials in the process, so that the admixture is more uniformly mixed into the asphalt materials.
Drawings
The invention is described in further detail below with reference to the drawings and the detailed description.
FIG. 1 is a schematic structural view of an asphalt mixing apparatus for road construction according to the present invention;
FIG. 2 is a schematic structural view of a stirring assembly according to the present invention;
FIG. 3 is a schematic view showing the internal structure of a stirring tank in the present invention;
FIG. 4 is a cross-sectional view of the agitator tank of the present invention;
in the figure: 1. the device comprises a base, 2, a stirring tank, 3, a feeding hole, 4, a discharging hole, 5, a stirring rod, 6, a main injection agent pipe, 7, a branch injection agent pipe, 8, a support, 9, a rotating shaft, 10, a driving wheel, 11, a driven gear, 12, an outer ring, 13, a mounting disc, 14, a stirring blade, 15, a flow dividing frustum, 16, an injection outlet, 17, a cover plate, 18, a wall cleaning piston, 19, a push shaft, 20, a sealing plate, 21, a storage tank, 22, a heat preservation layer, 23, a power pump, 24 and an additive storage tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any inventive step, are intended to be within the scope of the present invention.
As shown in fig. 1-4, this embodiment provides an asphalt mixing device for highway construction, including base 1, agitator tank 2 and stirring subassembly, feed inlet 3 and discharge gate 4 have on agitator tank 2, agitator tank 2 sets up on the base 1, stirring subassembly includes a plurality of puddler 5, and is a plurality of puddler 5 rotates to set up in agitator tank 2, and is a plurality of 5 arrays of puddler are located 2 diapire circumferencial direction of agitator tank add the injection and are responsible for 6, the injection is responsible for 6 and is set up in agitator tank 2, the injection is responsible for 6 and is located 2 centers of agitator tank, 6 circumferences of injection is responsible for and is provided with a plurality of orientations the injection branch pipe 7 of puddler 5.
In the embodiment, a stirring tank 2 is arranged on a base 1, the stirring tank 2 is provided with a feeding hole 3 and a discharging hole 4, asphalt materials enter from the feeding hole 3 and are discharged from the discharging hole 4 after being fully stirred, a plurality of stirring rods 5 are rotatably arranged inside the stirring tank 2 and rotate along the circumference of the stirring tank 2, an injection main pipe 6 is arranged at the center of the bottom wall of the stirring tank 2, a plurality of injection branch pipes 7 are arranged on the outer circumferential surface of the injection main pipe 6, and the injection branch pipes 7 face the surrounding stirring rods 5; when the mixing device works, asphalt materials enter from the feeding hole 3, the stirring rods 5 rotate along the circumference of the stirring tank 2, the admixture enters from the admixture main pipe 6 and is discharged into the stirring tank 2 through the admixture branch pipe 7, the asphalt materials stirred by the stirring rods 5 rotate along the circumferential direction, the admixture main pipe 6 is arranged at the center of the bottom wall of the stirring tank 2, the admixture branch pipe 7 faces the stirring rods 5, the admixture is directly discharged to the center part of the asphalt materials through the admixture branch pipe 7, and the admixture is gradually dispersed to the reverse direction of the excircle of the asphalt materials by the stirring rods 5, so that the admixture and the asphalt materials are in more complete contact in the process, the admixture is more uniformly mixed into the asphalt materials, the performances of all parts in the asphalt materials are consistent, the quality problems that local cracking is not easy to occur after a road is paved, and the like are solved, and the problem that the admixture is not easy to be fully mixed with the asphalt materials in the prior art is solved.
Further, the method also comprises the following steps of,
still include drive mechanism, drive mechanism includes support 8, pivot 9, action wheel 10, driven gear 11, outer lane 12 and mounting disc 13, support 8 sets up on the base 1, pivot 9 rotates to be set up on the support 8, action wheel 10 with outer lane 12 all sets up pivot 9 tip, driven gear 11 rotates to set up on the support 8 and be located action wheel 10 with between the outer lane 12, action wheel 10 outer circumference with the circumference all has one section teeth of a cogwheel in the outer lane 12, action wheel 10 with outer lane 12 in turn with driven gear 11 meshes, mounting disc 13 with driven gear 11 is connected, and is a plurality of puddler 5 array sets up the circumference of mounting disc 13.
In this embodiment, the bracket 8 is disposed on the base 1, the rotating shaft 9 is driven by a motor disposed on the bracket 8 to rotate, the driving wheel 10 is fixedly disposed at an end of the rotating shaft 9, the outer ring 12 is also fixedly disposed on a circumference of the rotating shaft 9 by means of a frame body, so as to achieve synchronous rotation of the driving wheel 10 and the outer ring 12, the teeth on the outer circumference of the driving wheel 10 and the inner circumference of the outer ring 12 are not complete circles, but are only one segment, projections of the teeth on the driving wheel 10 and the outer ring 12 in a vertical direction are not covered, the driven gear 11 is disposed between the driving wheel 10 and the outer ring 12, the rotating shaft 9 drives the driving wheel 10 and the outer ring 12 to rotate, so that the teeth on the driving wheel 10 and the outer ring 12 are alternately engaged with the driven gear 11, and the driving wheel 10 and the driven wheel are in an external engagement relationship, and the outer ring 12 and the driven wheel are in an internal engagement relationship, so as to achieve alternate switching of forward and reverse rotation of the driven gear 11; stirring mode among the prior art is too single, and the mixing effect is not good, and puddler 5 carries out not equidirectional stirring to asphalt material through intermittent type positive and negative commentaries on classics in this embodiment, has improved stirring effect, helps the intensive mixing of admixture and asphalt material.
Further, the method also comprises the following steps of,
the circumference of the stirring rod 5 is provided with a plurality of stirring blades 14, and the outer edges of the stirring blades 14 are tangent to the inner wall of the stirring tank 2.
In this embodiment, the circumference of the stirring rod 5 is provided with the plurality of stirring blades 14, so that the stirring area and the stirring force are increased, and meanwhile, along with the rotation of the stirring rod 5, the plurality of stirring blades 14 are sequentially scraped and rubbed on the inner wall of the stirring tank 2, and because the asphalt material itself has certain viscosity, in order to prevent the problem that a layer of asphalt material is adhered to the inner wall of the stirring tank 2, the plurality of stirring blades 14 are continuously scraped and rubbed on the inner wall of the stirring tank 2, so that the cleanness of the inner wall of the stirring tank 2 is ensured.
Further, the method also comprises the following steps of,
annotate agent branch pipe 7 one side and have reposition of redundant personnel frustum 15, the opposite side has a plurality of agent outlets 16, it sets up to annotate the rotation of agent branch pipe 7 the 2 diapalls of agitator tank, annotate the agent and be responsible for 6 court reposition of redundant personnel frustum 15 place side is rotated.
In the embodiment, two sides of the injection branch pipe 7 are respectively provided with a flow distribution frustum 15 with a triangular cross section and a plurality of transversely arranged agent outlets 16, and the injection branch pipe 7 is rotatably arranged on the bottom wall of the stirring tank 2 and alternately rotates in the same direction and in the opposite direction with the stirring action of the stirring rod 5, so that the admixture and the asphalt material are further uniformly mixed; the injection main pipe 6 rotates towards one side with the flow distribution frustum 15, the cross section of the flow distribution frustum 15 is triangular, on one hand, the injection main pipe has the function of dispersing materials to two sides, the rotating resistance of the injection branch pipe 7 is reduced, and on the other hand, the injection main pipe prevents the materials from blocking the injection outlet 16 on the other side.
Further, the method also comprises the following steps of,
the arrangement direction of the injection branch pipe 7 is tangent to the circumferential direction of the injection main pipe 6, and the flow dividing frustum 15 is positioned outside the injection branch pipe 7.
In this embodiment, annotate the circumference that the agent branch pipe 7 axis is tangent to annotate agent and be responsible for 6, make annotate agent branch pipe 7 both sides and form outside and inboard, the inboard is the turning that forms between annotating agent branch pipe 7 and annotating agent and being responsible for 6, reposition of redundant personnel frustum 15 is located its outside, and towards reposition of redundant personnel frustum 15 direction during the rotation, make the agent outlet 16 be located the turning, prevent that agent outlet 16 from blockking up, played better guard action, guarantee good notes agent effect.
Further, the method also comprises the following steps of,
support 8 is followed 2 axis direction of agitator tank slide to be set up on the base 1, 2 top openings of agitator tank, be provided with apron 17 on the support 8, apron 17 with the help of 8 locks of support the opening.
In this embodiment, support 8 slides along 2 axis directions of agitator tank on base 1, can take out the stirring subassembly from agitator tank 2 in, be convenient for clear up stirring subassembly and 2 insides of agitator tank, be provided with apron 17 on the support 8, follow support 8 and remove together, when support 8 slides and stretch into agitator tank 2 with the stirring subassembly, the opening part of apron 17 lock at agitator tank 2 guarantees the leakproofness, when support 8 slides and takes out agitator tank 2 with the stirring subassembly, apron 17 is opened thereupon, conveniently clear up 2 insides of agitator tank.
Further, the method also comprises the following steps of,
follow in the agitator tank 2 the axis direction of agitator tank 2 slides and is provided with clear wall piston 18, be provided with push shaft 19 on the support 8, push shaft 19 passes 2 diapalls of agitator tank and with clear wall piston 18 is connected, clear wall piston 18 with the help of push shaft 19 is cut and is rubbed 2 inner walls of agitator tank.
In this embodiment, the wall cleaning piston 18 is installed at the end of the pushing shaft 19, and the other end of the pushing shaft 19 is fixedly arranged on the bracket 8, so that the distance between the wall cleaning piston 18 and the cover plate 17 is always consistent, when the cover plate 17 is buckled with the opening of the stirring tank 2, the wall cleaning piston 18 is located at the bottom wall of the stirring tank 2, when the cover plate 17 is separated from the opening of the stirring tank 2, the wall cleaning piston 18 synchronously slides outwards, the inner wall of the stirring tank 2 is scraped in the sliding process, part of asphalt materials adhered to the inner wall of the stirring tank 2 is scraped and pushed out of the stirring tank 2, the cleaning action is convenient and rapid, meanwhile, the cover plate 17 and the wall cleaning piston 18 synchronously move, and the wall cleaning piston 18 also starts to work in the opening process of the cover plate 17, the working time is shortened, and the working efficiency in the cleaning process is improved.
Further, the method also comprises the following steps of,
discharge gate 4 department articulates there is closing plate 20, be provided with holding tank 21 on the base 1, the inner wall of holding tank 21 is provided with heat preservation 22, the contained angle has between 2 axes of agitator tank and the horizontal plane, holding tank 21 is located discharge gate 4 below.
In this embodiment, closing plate 20 articulates on the pore wall of discharge gate 4, keeps sealed at the during operation, guarantees normal work, and agitator tank 2 slopes to set up, sets up holding tank 21 in discharge gate 4 below for collect the material that the stirring was accomplished, and the inner wall of holding tank 21 sets up one deck heat preservation 22, guarantees the best use temperature of material, improves the quality level on paving.
Further, the method also comprises the following steps of,
the main injection pipe 6 is connected with an additive storage tank 24 by a power pump 23.
In this embodiment, the additive storage tank 24, the power pump 23 and the main injection pipe 6 are connected in sequence, and the power pump 23 is used for continuously conveying the admixture to the main injection pipe 6, so as to ensure the stable supply of the admixture in the stirring tank 2.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The asphalt stirring device for the highway construction comprises a base (1), a stirring tank (2) and a stirring assembly, wherein a feeding hole (3) and a discharging hole (4) are formed in the stirring tank (2), the stirring tank (2) is arranged on the base (1), and the asphalt stirring device is characterized in that the stirring assembly comprises a plurality of stirring rods (5), the stirring rods (5) are rotatably arranged in the stirring tank (2), a plurality of stirring rods (5) are arranged in the circumferential direction of the bottom wall of the stirring tank (2) in an array mode, an injection main pipe (6) is additionally arranged, the injection main pipe (6) is arranged in the stirring tank (2), the injection main pipe (6) is arranged in the center of the stirring tank (2), and a plurality of injection branch pipes (7) facing the stirring rods (5) are arranged on the circumference of the injection main pipe (6);
annotate agent branch pipe (7) one side and have reposition of redundant personnel frustum (15), the opposite side has a plurality of agent mouths (16), it is in to annotate the rotation of agent person in charge (6) sets up agitator tank (2) diapire, it is in charge of (6) court shunt frustum (15) place side is rotated to annotate the agent.
2. The asphalt mixing device for road construction according to claim 1, further comprising a transmission mechanism, wherein the transmission mechanism comprises a support (8), a rotating shaft (9), a driving wheel (10), a driven gear (11), an outer ring (12) and a mounting disc (13), the support (8) is arranged on the base (1), the rotating shaft (9) is rotatably arranged on the support (8), the driving wheel (10) and the outer ring (12) are both arranged at the end of the rotating shaft (9), the driven gear (11) is rotatably arranged on the support (8) and is located between the driving wheel (10) and the outer ring (12), the outer circumference of the driving wheel (10) and the inner circumference of the outer ring (12) are both provided with a section of gear teeth, the driving wheel (10) and the outer ring (12) are alternately meshed with the driven gear (11), the mounting disc (13) is connected with the driven gear (11), and a plurality of the mixing rods (5) are arranged on the circumference of the mounting disc (13) in an array.
3. The asphalt mixing device for road construction according to claim 1, wherein the stirring rod (5) has a plurality of stirring blades (14) on the circumference, and the outer edges of the stirring blades (14) are tangent to the inner wall of the stirring tank (2).
4. The asphalt mixing device for road construction according to claim 1, wherein the agent injection branch pipe (7) is arranged in a direction tangential to the circumferential direction of the agent injection main pipe (6), and the diversion frustum (15) is located outside the agent injection branch pipe (7).
5. The asphalt mixing device for road construction according to claim 2, wherein the support (8) is slidably arranged on the base (1) along the axial direction of the mixing tank (2), the mixing tank (2) is open at the top end, a cover plate (17) is arranged on the support (8), and the cover plate (17) is buckled with the opening by means of the support (8).
6. The asphalt stirring device for road construction as claimed in claim 5, wherein a wall cleaning piston (18) is slidably arranged in the stirring tank (2) along the axial direction of the stirring tank (2), a pushing shaft (19) is arranged on the bracket (8), the pushing shaft (19) penetrates through the bottom wall of the stirring tank (2) and is connected with the wall cleaning piston (18), and the wall cleaning piston (18) scratches the inner wall of the stirring tank (2) by means of the pushing shaft (19).
7. The asphalt stirring device for road construction according to claim 1, wherein a sealing plate (20) is hinged at the discharge port (4), a storage tank (21) is arranged on the base (1), a heat-insulating layer (22) is arranged on the inner wall of the storage tank (21), an included angle is formed between the axis of the stirring tank (2) and the horizontal plane, and the storage tank (21) is located below the discharge port (4).
8. The asphalt mixing apparatus for road construction according to claim 1, wherein the main injection pipe (6) is connected to the additive storage tank (24) by means of a power pump (23).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210125922.XA CN114232415B (en) | 2022-02-10 | 2022-02-10 | Pitch agitating unit is used in highway construction |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210125922.XA CN114232415B (en) | 2022-02-10 | 2022-02-10 | Pitch agitating unit is used in highway construction |
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| CN114232415B true CN114232415B (en) | 2023-03-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2663967B1 (en) * | 1990-07-02 | 1994-03-04 | Ermont Cm | METHOD AND DEVICE FOR LONG-TERM STORAGE OF A BITUMINOUS MATERIAL, SUCH AS A COATING. |
| CN105799755B (en) * | 2016-03-29 | 2018-07-10 | 久耀电子科技（江苏）有限公司 | A kind of rectangular plate automatic unloading type transport device |
| CN206951059U (en) * | 2017-05-25 | 2018-02-02 | 北京康百世科技发展有限公司 | A kind of batch mixer |
| CN112973498B (en) * | 2021-02-25 | 2022-09-16 | 山东沃烯新材料科技有限公司 | Agitating unit is used in production of graphite alkene conductive paste material |
| CN215086462U (en) * | 2021-05-11 | 2021-12-10 | 饶平县新才建材有限公司 | Asphalt stirring additive feeding device |
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