CN109351268B

CN109351268B - Horizontal mixer

Info

Publication number: CN109351268B
Application number: CN201811364780.2A
Authority: CN
Inventors: 周启伟; 岳晓文; 郝增恒; 王民; 杨杰; 赵云; 陈诚; 吴雪柳
Original assignee: CHONGQING ZHIXIANG PAVING TECHNOLOGY ENGINEERING CO LTD
Current assignee: CHONGQING ZHIXIANG PAVING TECHNOLOGY ENGINEERING CO LTD
Priority date: 2018-11-16
Filing date: 2018-11-16
Publication date: 2021-06-29
Anticipated expiration: 2038-11-16
Also published as: CN109351268A

Abstract

The invention provides a horizontal stirrer which comprises a stirring tank, wherein a stirrer is arranged in the stirring tank, a first power system for driving the stirrer is arranged outside the stirring tank, and a feeding channel and a discharging channel are arranged on the stirrer; a premixing device communicated with the stirring tank is arranged at one end of the stirring tank, a buffer tank communicated with the stirring tank is arranged above the stirring tank, the stirrer is axially arranged in the stirring tank, the feeding channel is positioned on the premixing device, the discharging channel is positioned at the end part of the stirring tank far away from the premixing device, and the stirring tank is obliquely arranged; the stirrer comprises a rotating shaft, a helical blade arranged on the rotating shaft and a plurality of columns arranged at intervals along the side of the helical track of the helical blade. The stirring device can fully stir the mixed material body, can fully break up and stir the mixed material body, prevents the multi-component high-viscosity material from self-adhering in the stirring process under the common cooperation of technical characteristics of a plurality of stirring chambers, flow limiting holes and the like, and solves the problem of uneven stirring of the multi-component high-viscosity material.

Description

Horizontal mixer

Technical Field

The invention relates to a stirring device, in particular to a horizontal stirrer for stirring a multi-component (the multi-component refers to two or more components) high-viscosity material.

Background

The existing stirring device mainly comprises a stirring tank and a stirrer positioned in the stirring tank, for example, a spiral stirring device disclosed in CN202878492U comprises a tank body, a guide cylinder is fixedly arranged at the bottom in the tank body, an impeller shaft is arranged in the guide cylinder, a plurality of groups of impellers are arranged on the impeller shaft, the upper end of the impeller shaft extending out of the guide cylinder also comprises a fixed shaft, and a rotating shaft is sleeved outside the fixed shaft; still like the high-efficient compounding device of cement yellow sand for building that CN107097345A discloses, which comprises a housin, shells inner wall middle part bilateral symmetry is inlayed and is had the sliding tray, shells inner wall inlays the heating resistor silk that has control scheme and fixed circuit electricity federation, the riveting of shells upper end is provided with the upper cover, it is provided with the inlet pipe to cover upper end left side connection, be equipped with feed valve on the inlet pipe, upper cover middle part runs through and is provided with the (mixing) shaft, the (mixing) shaft is hollow pipeline, the (mixing) shaft passes through the bearing and upper cover rotates the connection, the (mixing) shaft inner wall passes through the bearing and rotates the connection and be provided. Although the stirring device has the stirring function and can meet the stirring requirement of common materials, when the stirring device is used for stirring multi-component high-viscosity materials (such as asphalt mixtures, mixtures with glue and glutinous rice glue mixtures), continuous feeding cannot be realized, and the stirring device has the defect of low stirring efficiency. In addition, the multi-component high-viscosity material is widely applied to the fields of road engineering, pharmaceutical engineering and the like, the stirring uniformity of the multi-component high-viscosity material is required to be higher in the fields, and the stirring uniformity of the multi-component high-viscosity material cannot be guaranteed by the stirring device.

Disclosure of Invention

In view of the technical problems in the background art, the invention aims to provide a horizontal stirrer for stirring multi-component high-viscosity materials.

In order to achieve the above object, the present invention adopts the following technical solutions.

A horizontal stirrer comprises a stirring tank, wherein a stirrer is arranged in the stirring tank, a first power system for driving the stirrer is arranged outside the stirring tank, and a feeding channel and a discharging channel are arranged on the stirrer;

the stirring device comprises a stirring tank, a stirring device, a feeding channel, a discharging channel and a stirring tank, wherein a premixing device communicated with the stirring tank is arranged at one end of the stirring tank;

wherein the stirring tank is arranged obliquely, so that the end part of the stirring tank close to the premixing device is higher than the end part of the stirring tank far away from the premixing device;

the stirrer comprises a rotating shaft, spiral blades arranged on the rotating shaft and a plurality of columns arranged at intervals along the side of the spiral track of the spiral blades, wherein a first spiral stirring structure is formed by the spiral blades, and a second spiral stirring structure is formed by all the columns.

Furthermore, the feeding channel is composed of at least two feeding holes, and the central axes of the feeding holes are intersected at the same point. By adopting the structure, the components and materials can be preliminarily premixed at the junction before entering the premixing device, which is beneficial to improving the stirring quality.

Further, the premixing device comprises a premixing cavity, a premixing stirrer and a second power system which is connected with and drives the premixing stirrer, and the premixing stirrer is radially arranged in the premixing cavity.

Furthermore, a flow limiting plate is arranged in the stirring tank to divide the stirring tank into a plurality of stirring chambers, a shaft hole is formed in the middle of the flow limiting plate to allow the rotating shaft to pass through, a first through hole is formed in the bottom of each flow limiting plate, a notch is formed in the side of each flow limiting plate and serves as a flow limiting hole, and notches in adjacent flow limiting plates are arranged along the different sides of the axis of the stirring tank. By adopting the structure, the mixture can flow in a curved shape in the stirring tank, the stirring time of the mixture in the stirring tank is prolonged, the stirring quality of the mixture is fully ensured, the material accumulation in the stirring chamber can be prevented, and the cleaning is convenient.

Preferably, the premixing chamber is integrally formed with the stirring tank, and a first stirring chamber partitioned from the stirring tank by a flow restriction plate adjacent to the premixing device is used as the premixing chamber.

As preferred, enclose synthetic space as the buffer tank inner chamber jointly by buffer tank lateral wall, roof and agitator tank upper wall, be provided with the second through-hole in order to communicate agitator tank and buffer tank in the buffer tank inner chamber lower extreme.

Preferably, the column is located on the opposite side of the helical locus of the helical blade.

Preferably, the stirring tank is composed of an upper arc tank body and a lower arc tank body which can be separated, and the lower arc tank body is arranged on the rack with the slope.

More preferably, the slope of the stand is 0-15 °, i.e. the agitator tank is inclined 0-15 °.

Has the advantages that: the mixer disclosed by the invention adopts the feeding channel with a specific structure to realize preliminary premixing of materials of each component, adopts the pre-mixing device to premix the mixture, adopts the multiple continuously arranged mixing chambers and the mixer with a specific structure to finally mix the mixture, and adopts the buffer tank to temporarily store the mixed mixture after mixing, so that the mixing quality of the mixture can be fully ensured, the continuous output of the mixed mixture after mixing can be realized, and the continuity of material supply can be ensured; the stirrer with a specific structure can disturb and fully stir the mixed material body in the stirring tank through the helical blades, can fully break up and stir the mixed material body in the stirring tank through the plurality of columns arranged at intervals, and can prevent the multi-component high-viscosity material from self-adhering in the stirring process under the common cooperation of technical characteristics of a plurality of stirring chambers, flow limiting holes and the like, so that the problem of uneven stirring of the multi-component high-viscosity material is solved; the stirring machine can prolong the stirring time of the mixture, prevent the material accumulation in the stirring tank and facilitate the cleaning.

Drawings

FIG. 1 is a schematic illustration of a blender according to an embodiment of the present invention;

FIG. 2 is a schematic view of the feed path of the blender of FIG. 1, with the direction of addition indicated by the arrow;

FIG. 3 is a schematic view of a blender of the blender of FIG. 1;

FIG. 4 is a schematic view of a restrictor plate of the blender of FIG. 1.

Detailed Description

The present invention is further illustrated by the following examples, which are not to be construed as limiting the scope of the invention, and that modifications and variations that are not essential to the invention may be made by those skilled in the art in light of the teachings herein.

Examples

A horizontal mixer comprises a mixing tank 3, a mixer 5 is arranged in the mixing tank 3, a first power system 1 for driving the mixer 5 is arranged outside the mixing tank 3, and a feeding channel 15 and a discharging channel 8 are arranged on the mixer, as shown in figure 1;

wherein, one end of the stirring tank 3 is provided with a premixing device communicated with the stirring tank 3, a buffer tank 4 communicated with the stirring tank 3 is arranged above the stirring tank 3, the stirrer 5 is axially arranged in the stirring tank 3, the feeding channel 15 is positioned on the premixing device, and the discharging channel 8 is positioned at the end part of the stirring tank 3 far away from the premixing device;

wherein, the stirring tank 3 is obliquely arranged, so that the end part of the stirring tank 3 close to the premixing device is higher than the end part of the stirring tank 3 far away from the premixing device;

as shown in fig. 3, the stirrer 5 includes a rotating shaft 503, a helical blade 501 disposed on the rotating shaft 503, and a plurality of columns 502 disposed at intervals along the side of the helical track of the helical blade 501, that is, the helical blade 501 and the columns 502 have a phase difference, the helical blade 501 forms a first helical stirring structure, and all the columns 502 form a second helical stirring structure.

Further, the feed passage 15 is formed by at least two feed ports, and the central axes of the feed ports intersect at the same point. In this embodiment, the feeding channel 15 is composed of two feeding ports, as shown in fig. 2, the left feeding port is added with the group a of the materials, and the right feeding port is added with the group B of the materials.

Further, the premixing device includes a premixing chamber 12, a premixing agitator 14, and a second power system 2 connected to and driving the premixing agitator 14, the premixing agitator 14 being radially disposed within the premixing chamber 12.

Further, as shown in fig. 4, flow restriction plates 7 are uniformly arranged in the stirring tank 3 to divide the stirring tank 3 into a plurality of stirring chambers, a shaft hole 701 is formed in the middle of each flow restriction plate 7 for the rotating shaft 503 to pass through, a first through hole 702 is formed in the bottom of each flow restriction plate 7, a notch 703 is formed in the side of each flow restriction plate 7 as a flow restriction hole, and the notches 703 of adjacent flow restriction plates 7 are arranged along the opposite sides of the axis of the stirring tank 3.

Preferably, the premix chamber 12 is formed integrally with the agitation tank 3, and a first agitation chamber into which the agitation tank 3 is partitioned near the restrictor plate 7 of the premixing apparatus is used as the premix chamber 12.

As preferred, by buffer tank 4 lateral wall, roof and agitator tank 3 upper wall enclose synthetic space jointly as buffer tank 4 inner chamber, be provided with the second through-hole in order to communicate agitator tank 3 and buffer tank 4 in buffer tank 4 inner chamber minimum.

Preferably, the post 502 is located on the opposite side of the helical trajectory of the helical blade 501.

Preferably, the stirring tank 3 is composed of an upper arc tank 301 and a lower arc tank 302 which can be separated, and the lower arc tank 302 is transversely and fixedly arranged on the rack 13 with the slope.

More preferably, the slope of the inclined surface of the frame 13 is 0-15 °, including but not limited to 3 °, 5, 8, 10, 12 °, 15 °.

Further, a peephole 16 is arranged at the top of the upper arc tank body 301 of the stirring tank 3 so as to observe the stirring condition in the stirring tank 3.

In the embodiment, circular holes are formed in the centers of the two ends of the stirring tank 3, and the rotating shaft 503 simultaneously penetrates through the circular holes at the two ends of the stirring tank 3 and the shaft hole 701 in the middle of the current-limiting plate 7 and is axially installed on the stirring tank 3 through the first supporting bearing shaft 17; a bearing hole is formed in the top of the upper arc tank body 301 of the stirring tank 3, the second supporting bearing shaft 18 is installed in the bearing hole, and the premixing stirrer 14 is radially installed in the premixing chamber 12 through the second supporting bearing shaft 18.

In this embodiment, the first power system 1 and the second power system 2 may both adopt ac motors meeting power requirements.

The working principle of the horizontal stirrer is as follows: starting the stirrer, conveying single-component materials meeting the proportioning requirement into the stirring tank 3 from different feed inlets of the feed channel 15 respectively, wherein the central axes of the feed inlets intersect at the same point, so that the single-component materials collide with each other before falling to the bottom of the premixing chamber 12 (namely, the central axes of the feed inlets intersect with each other), preliminary premixing is carried out, then the materials falling to the bottom of the premixing chamber 12 are premixed under the high-speed rotation of the premixing stirrer 14, a mixture is obtained, and when the mixture in the premixing chamber 12 reaches a certain height, the mixture overflows from a notch 703 at the side part of the restrictor plate 7 and flows to the next stirring chamber; in the stirring cavity, the rotating shaft 503 rotates at a certain speed to drive the cylinder 502 and the helical blade 501 to rotate simultaneously, the cylinder 502 and the helical blade 501 stir the mixture overflowing from the premixing cavity 12, in the stirring process, the helical blade 501 drives the mixture to flow to the notch 703 of the lower restrictor plate 7 and enter the next stirring cavity, and so on, each stirring cavity can stir and transmit the mixture, and finally the mixture is ensured to flow out from the discharge channel 8 of the stirring tank in a uniform state; if the mixture is too much in the agitator tank 3, the mixture can overflow from the second through-hole between agitator tank 3 and buffer tank 4 automatically, gets into temporary storage in the buffer tank 4, and after the mixture reduced in the agitator tank 3, the automatic flow direction agitator tank 3 of mixture in the buffer tank 4. Because the gaps 703 of the two adjacent flow limiting plates 7 are arranged along the opposite sides of the axis of the stirring tank 3, the mixture flows in the stirring tank 3 in a curved direction, the flowing time of the mixture in the stirring tank 3 is prolonged, and the stirring quality of the mixture is ensured; because the 3 jar bodies of agitator tank slope is placed, after the stirring stops, feedstock channel 15 stops the feeding, and pivot 503 stops the rotation, and the automatic first through-hole 702 that flows along each current-limiting plate 7 bottom of the remaining a small amount of mixture of each teeter chamber in agitator tank 3 inside, the discharge jar body guarantees that 3 inside no long-pending materials of agitator tank make things convenient for the later stage to wash. In addition, for the multi-component high-viscosity material, on one hand, the stirrer can utilize the helical blades 501 to disturb and fully stir the mixture body, on the other hand, the stirrer can fully break up and stir the mixture body through the plurality of the columns 502 arranged at intervals, and under the common cooperation of technical characteristics of a plurality of stirring chambers, flow limiting holes (notches 703) and the like, the self-adhesion of the multi-component high-viscosity material in the stirring process is prevented, and the problem of uneven stirring of the multi-component high-viscosity material is solved.

Claims

1. A horizontal stirrer comprises a stirring tank (3), wherein a stirrer (5) is arranged in the stirring tank (3), a first power system (1) for driving the stirrer (5) is arranged outside the stirring tank (3), and a feeding channel (15) and a discharging channel (8) are arranged on the stirrer; the method is characterized in that:

wherein, one end of the stirring tank (3) is provided with a premixing device communicated with the stirring tank (3), a buffer tank (4) communicated with the stirring tank (3) is arranged above the stirring tank (3), the stirrer (5) is axially arranged in the stirring tank (3), the feeding channel (15) is positioned on the premixing device, and the discharging channel (8) is positioned at the end part of the stirring tank (3) far away from the premixing device;

wherein the stirring tank (3) is obliquely arranged, so that the end part of the stirring tank (3) close to the premixing device is higher than the end part of the stirring tank (3) far away from the premixing device;

the stirrer (5) comprises a rotating shaft (503), a helical blade (501) arranged on the rotating shaft (503), and a plurality of columns (502) arranged at intervals along the side of a helical track of the helical blade (501), wherein a first helical stirring structure is formed by the helical blade (501), and a second helical stirring structure is formed by all the columns (502);

the stirring tank (3) is internally provided with a flow limiting plate (7) to divide the stirring tank (3) into a plurality of stirring chambers, the middle part of the flow limiting plate (7) is provided with a shaft hole (701) for the rotating shaft (503) to pass through, the bottom of each flow limiting plate (7) is provided with a first through hole (702), the side part of each flow limiting plate (7) is provided with a notch (703) as a flow limiting hole, and the notches (703) on the adjacent flow limiting plates (7) are arranged along the opposite sides of the axis of the stirring tank (3);

the column (502) is located on the opposite side of the helical track of the helical blade (501).

2. The horizontal mixer of claim 1 wherein: the feeding channel (15) is composed of at least two feeding holes, and the central axis of each feeding hole is intersected at the same point.

3. The horizontal mixer of claim 2 wherein: the premixing device comprises a premixing chamber (12), a premixing stirrer (14) and a second power system (2) connected with and driving the premixing stirrer (14), wherein the premixing stirrer (14) is radially arranged in the premixing chamber (12).

4. A horizontal mixer according to claim 3, wherein: the premixing chamber (12) and the stirring tank (3) are integrally formed, and a first stirring chamber which is separated from the stirring tank (3) by a flow limiting plate (7) close to the premixing device is used as the premixing chamber (12).

5. The horizontal mixer of claim 4 wherein: by buffer tank (4) lateral wall, roof and agitator tank (3) upper wall enclose synthetic space jointly and do buffer tank (4) inner chamber lower extreme is provided with the second through-hole with the intercommunication agitator tank (3) with buffer tank (4).

6. A horizontal mixer according to any one of claims 1 to 5, wherein: the stirring tank (3) is composed of an upper arc tank body (301) and a lower arc tank body (302) which can be split, and the lower arc tank body (302) is arranged on the rack (13) with the slope.

7. The horizontal mixer of claim 6 wherein: the slope of the inclined plane of the frame (13) is 0-15 degrees.