CN215939594U

CN215939594U - Reduce mixer that pulp is strikeed

Info

Publication number: CN215939594U
Application number: CN202121990466.2U
Authority: CN
Inventors: 黄彬彬; 闵长仁; 朱利民; 夏帆; 吴鼎; 张启; 黄景; 蔡志超; 张文涛
Original assignee: Sedley China Fiber Co ltd
Current assignee: Sedley China Fiber Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-03-04
Anticipated expiration: 2031-08-23

Abstract

The utility model relates to the technical field of pulp production and stirring, in particular to a stirrer for reducing pulp impact, which comprises a frame, a stirring cylinder, a cylinder body rotation driving mechanism, a stirring mechanism and an impact resistance device, wherein the top end of the stirring cylinder is provided with a liquid inlet and a liquid inlet which are communicated with the interior of the stirring cylinder, the bottom end of the stirring cylinder is provided with a discharge outlet which is communicated with the interior of the stirring cylinder, the driving end of the cylinder body rotation driving mechanism is in transmission connection with the stirring cylinder, the stirring mechanism is arranged in the stirring cylinder, the stirring driving mechanism is arranged on the frame, the impact resistance device comprises at least two annular clapboards, the middle part of each annular clapboard is provided with a circular blanking port for avoiding the stirring mechanism and facilitating blanking, the stirring device disclosed by the application divides the interior of the stirring cylinder into a plurality of sections through the annular clapboards, reduces the falling impact force and enables pulp to be uniformly distributed in the stirring cylinder, the stirring efficiency is improved, and meanwhile, the pulp can be prevented from being accumulated together to damage the structure of the stirrer.

Description

Reduce mixer that pulp is strikeed

Technical Field

The utility model relates to the technical field of pulp production stirring, in particular to a stirrer for reducing pulp impact.

Background

The pulp takes plant fiber as raw material and is a fibrous aggregate obtained by chemical and mechanical treatment. Is a cellulose raw material for manufacturing artificial fiber. According to the raw material source, the raw material can be divided into wood pulp, cotton pulp, bagasse pulp, bamboo pulp, grass pulp and the like. The method can be classified into alkali-method pulp production, alkali-salt-method pulp production, prehydrolyzed alkali-salt-method pulp production, sulfite-salt-method pulp production and chlorination-method pulp production according to the difference of the manufacturing methods. The pulp can be divided into viscose filament pulp, common viscose short fiber pulp, high-performance viscose fiber pulp and strong fiber pulp according to different purposes. The quality of the pulp is closely related to the production process of the fiber and the quality of the product. Important quality indicators are cellulose content, ash and resin content, reactivity, alkali absorption value, degree of polymerization, and the like.

Viscose is one of the main varieties of rayon, which is one of the important raw materials for many industrial processes. During the preparation of viscose fiber, pulp raw material for production and alkali liquor are mixed and stirred.

The existing pulp stirring treatment equipment can generate strong impact force on a stirring mechanism during pulp feeding and during stirring, and the impact phenomenon is often caused by reasons of uneven pulp distribution, too high falling speed, insufficient pulp crushing and the like in a stirring cylinder, so that the phenomena of damage to the stirring equipment and the like can possibly occur.

Therefore, it is necessary to design a blender for reducing pulp impact to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the technical scheme provides the stirrer for reducing pulp impact, and solves the problems that the pulp stirring treatment equipment in the prior art generates stronger impact force on a stirring mechanism when pulp is fed and in the stirring process, and the pulp is often damaged and the like due to reasons of uneven distribution, too fast falling speed, insufficient pulp crushing and the like in a stirring cylinder.

In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows:

the application provides a stirrer for reducing pulp impact, which comprises a frame, a stirring drum, a drum body rotation driving mechanism, a stirring mechanism and an impact resistance device, wherein the stirring drum is obliquely arranged on the frame and is rotatably connected with the frame, the top end of the stirring drum is provided with a liquid inlet and a liquid inlet which are communicated with the inside of the stirring drum, the bottom end of the stirring drum is provided with a liquid outlet which is communicated with the inside of the stirring drum, the drum body rotation driving mechanism is arranged on the frame, the driving end of the drum body rotation driving mechanism is in transmission connection with the stirring drum, the stirring mechanism is arranged inside the stirring drum, the stirring driving mechanism is arranged on the frame, the output end of the stirring mechanism is in transmission connection with the stirring driving mechanism, the impact resistance device is arranged inside the stirring drum, the impact resistance device comprises at least two annular partition plates, the annular partition plates are obliquely arranged on the inner side wall of the stirring drum, the oblique direction of the annular partition plates is vertical to the oblique direction of the stirring drum, a plurality of annular baffle sets gradually along the incline direction of churn, and a plurality of annular baffle separates into a plurality of layers with the churn inside, the outer edge of annular baffle and the inside wall fixed connection of churn, and the middle part of annular baffle is equipped with the circular unloading opening that is used for dodging rabbling mechanism and the unloading of being convenient for.

Preferably, one side of the annular partition plate is also provided with a discharging notch, the discharging notch is positioned on one side of the mixing drum close to the discharging port, and a plurality of discharging holes are uniformly distributed in the annular partition plate.

Preferably, rabbling mechanism is including the pivot, spiral stirring rake and broken oar, and the pivot slope is installed inside the churn, pivot and churn coaxial line, the both ends of pivot respectively with the upper and lower both ends coupling of churn, spiral stirring rake and broken oar are equipped with a plurality of respectively, a plurality of spiral stirring rake and broken oar set gradually respectively in a plurality of layers of churn, spiral stirring rake and broken oar all overlap and establish in the pivot, the bottom and the output transmission of stirring actuating mechanism of pivot are connected.

Preferably, the stirring driving mechanism comprises a first mounting bracket and a first rotary driver, the first mounting bracket is mounted on the frame, the first mounting bracket is positioned on one side of the frame close to the bottom end of the stirring drum, the first rotary driver is obliquely mounted on the first mounting bracket, the oblique direction of the first rotary driver is consistent with that of the stirring drum, and the output end of the first rotary driver is in transmission connection with the bottom end of the rotating shaft.

Preferably, barrel rotary driving mechanism is including bearing the seat, the ring tooth, spacing swivel mount, rotating gear and rotary driving device, bear the seat, the ring tooth, spacing swivel mount and rotating gear all are equipped with two, two bear the seat, the ring tooth, spacing swivel mount and rotating gear are located the both ends of churn lateral wall respectively, bear seat and rotary driving device and all install in the frame, spacing swivel mount slope is installed on bearing the seat, rotating gear hub connects on spacing swivel mount, the fixed cover of ring tooth is established at the tip of churn lateral wall, the ring tooth meshes with rotating gear, rotary driving device's output and one of them rotating gear transmission are connected.

Preferably, the rotary driving device comprises a second mounting bracket and a second rotary driver, the second mounting bracket is fixedly mounted on the frame, the second rotary driver is obliquely arranged on the second mounting bracket, the oblique direction of the second rotary driver is consistent with that of the mixing drum, and the output end of the second rotary driver is fixedly connected with the center of one side of one of the rotary gears.

Compared with the prior art, the application has the beneficial effects that:

1. this application can become a plurality of sections with the internal partitioning of churn through annular partition, even get pulp segmentation whereabouts, reduce the impact force of whereabouts, offer for the pulp unloading through circular unloading opening and dodge the mouth, when improving stirring efficiency, can avoid pulp to pile up and construct the destruction to the mixer together again, improved the work efficiency of equipment, reduced the impact force of pulp when pan feeding and stirring simultaneously, protected agitated vessel.

2. This application is rotatory through stack shell rotary driving mechanism drive churn, when the discharge gate is located the churn under, the unloading breach on the annular partition plate is located under this moment, the pulp homoenergetic in every section of churn is through the quick whereabouts of unloading breach, make the pulp of below increase, rethread stack shell rotary driving mechanism continues to drive the churn rotatory, make the body of annular partition plate be located the below, block pulp, the pulp of below passes through rabbling mechanism upwards transportation in proper order, the unloading hole can spill a small amount of pulp downwards, make the inside pulp of churn make the hold-cycle state, the stirring efficiency of pulp has been improved by a wide margin, the stirring impact force that can guarantee pulp simultaneously is lower.

3. This application drives the pivot rotation through stirring actuating mechanism, and the pivot drives a plurality of spiral stirring rake and broken oar synchronous revolution above that fixed mounting to alkali lye and pulp to the churn is inside stirs and mixes, and broken oar can smash bold pulp for its solution rate, and the pulp that the spiral stirring rake will be located the lower floor takes the annular baffle top on upper strata, thereby realizes the motion of pulp from bottom to top.

4. This application drives the pivot through first rotary actuator's output and rotates, realizes stirring actuating mechanism's rotary drive function, and first installing support installs first rotary actuator slope in the frame.

5. This application drives fixed connection's churn synchronous revolution with it through the ring gear when rotatory, and then has realized the rotation driving function of churn, and this kind of drive mode can guarantee the churn rotation stability, drives power reinforce to adapt to the demand of churn pairing rotation drive power.

6. This application drives the rotatory gear rotation of being connected with it transmission through the output of second rotary actuator, and then has realized the rotary drive function to the churn.

Drawings

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a schematic perspective view of the barrel rotation driving mechanism of the present invention;

FIG. 5 is a partial sectional view of the construction of the mixing drum of the present invention;

fig. 6 is a schematic perspective view of fig. 5.

The reference numbers in the figures are:

1-a mixing drum; 2-a barrel body rotation driving mechanism; 3-a stirring driving mechanism; 4-a stirring mechanism; 5-an impact resistant device; 6-liquid inlet; 7-a feed inlet; 8-a discharge hole; 9-an annular partition plate; 10-circular blanking port; 11-blanking gap; 12-a blanking hole; 13-a rotating shaft; 14-a spiral stirring paddle; 15-crushing paddle; 16-a first mounting bracket; 17-a first rotary drive; 18-a carrier seat; 19-ring teeth; 20-limiting rotating frame; 21-a rotating gear; 22-a second mounting bracket; 23-second rotary drive.

Detailed Description

The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

In order to solve the technical problem of how to reduce the impact of pulp on the interior of the stirrer during feeding and stirring, as shown in fig. 1-6, the following preferred technical solutions are provided:

a mixer for reducing pulp impact comprises a frame, a mixing drum 1, a drum body rotation driving mechanism 2, a mixing driving mechanism 3, a mixing mechanism 4 and an impact resistance device 5, wherein the mixing drum 1 is obliquely arranged on the frame, the mixing drum 1 is rotatably connected with the frame, a liquid inlet 6 and a liquid inlet 7 which are communicated with the interior of the mixing drum 1 are arranged at the top end of the mixing drum 1, a discharge outlet 8 which is communicated with the interior of the mixing drum 1 is arranged at the bottom end of the mixing drum 1, the drum body rotation driving mechanism 2 is arranged on the frame, the driving end of the drum body rotation driving mechanism 2 is in transmission connection with the mixing drum 1, the mixing mechanism 4 is arranged inside the mixing drum 1, the mixing driving mechanism 3 is arranged on the frame, the output end of the mixing mechanism 4 is in transmission connection with the mixing driving mechanism 3, the impact resistance device 5 is arranged inside the mixing drum 1, the impact resistance device 5 comprises at least two annular partition plates 9, the slope is installed on 1 inside wall of churn, and the incline direction of annular baffle 9 is perpendicular with the incline direction of churn 1, and a plurality of annular baffle 9 sets gradually along the incline direction of churn 1, and a plurality of annular baffle 9 separates into a plurality of layers with 1 internal partitioning of churn, the outer edge of annular baffle 9 and the inside wall fixed connection of churn 1, and the middle part of annular baffle 9 is equipped with the circular unloading opening 10 that is used for dodging rabbling mechanism 4 and the unloading of being convenient for.

Specifically, when the equipment starts to stir the pulp, alkali liquor and pulp raw materials are respectively introduced into the stirring cylinder 1 through the liquid inlet 6 and the material inlet 7, compared with the traditional stirring kettle in a vertical state for stirring operation, the stirring cylinder 1 which is inclined and rotatable is adopted for stirring the pulp, the impact force during pulp feeding is reduced in such a way, the impact force of the pulp is further absorbed in a segmented manner through the impact resistance device 5, the pulp is more uniformly distributed in the stirring cylinder 1 in the stirring process through the matching of the stirring mechanism 4 and the impact resistance device 5, the annular partition plates 9 are provided with a plurality of annular partition plates, the inside of the stirring cylinder 1 can be divided into a plurality of segments, namely the pulp falls in a segmented manner, the falling impact force is reduced, an avoiding opening is provided for pulp blanking through the circular blanking opening 10, the stirring efficiency is improved, pulp can be prevented from being accumulated together to damage the stirring mechanism 4, the working efficiency of the equipment is improved, the impact force of the pulp during feeding and stirring is reduced, and the stirring equipment is protected.

It is worth mentioning that the inclination angle of the mixing drum 1 is controlled between 20 degrees and 45 degrees, preferably 30 degrees, at this time, the impact force on the stirring mechanism 4 can be reduced when pulp is fed, the damage received by the stirring mechanism 4 is reduced, and the pulp can smoothly move downwards, so that the pulp is fully unfolded in the mixing drum 1.

Further, in order to solve the technical problem of how to realize the self-circulation of the pulp in the mixing drum, as shown in fig. 1 to 6, the following preferred technical solutions are provided:

one side of annular baffle 9 still is equipped with unloading breach 11, and unloading breach 11 is located one side that churn 1 is close to discharge gate 8, and evenly distributed has a plurality of unloading hole 12 on the annular baffle 9.

Specifically, when the equipment is used for stirring, in order to stir the pulp more uniformly, the pulp needs to be circulated in the stirring cylinder 1, the cylinder body rotation driving mechanism 2 drives the stirring cylinder 1 to rotate, when the discharge port 8 is positioned right below the mixing drum 1, the blanking notch 11 on the annular partition plate 9 is positioned right below, the pulp in each section of the mixing drum 1 can quickly fall downwards through the blanking notch 11, the pulp at the lower part is increased, and the stirring drum 1 is continuously driven to rotate by the drum body rotating and driving mechanism 2, so that the body of the annular partition plate 9 is positioned below and blocks the pulp, the pulp below is sequentially conveyed upwards through the stirring mechanism 4, a small amount of pulp can be leaked downwards through the blanking hole 12, the pulp in the stirring cylinder 1 is kept in a circulating state, the stirring efficiency of the pulp is greatly improved, and the stirring impact force of the pulp can be ensured to be lower.

Further, in order to solve the technical problem of how to drive the stirring mechanism to rotate, as shown in fig. 5 to 6, the following preferred technical solutions are provided:

rabbling mechanism 4 is including pivot 13, spiral stirring rake 14 and broken rake 15, pivot 13 slope is installed inside 1 churn,

pivot

13 and 1 coaxial line of churn, the both ends of pivot 13 connect with the upper and lower both ends coupling of churn 1 respectively, spiral stirring rake 14 and broken rake 15 are equipped with a plurality of respectively, a plurality of spiral stirring rake 14 and broken rake 15 set gradually respectively in a plurality of layers of churn 1, spiral stirring rake 14 and broken rake 15 are all established on pivot 13, the bottom of pivot 13 is connected with the output transmission of stirring actuating mechanism 3.

Specifically, when 4 during operations of rabbling mechanism, stirring actuating mechanism 3 drives pivot 13 rotatory, pivot 13 drives a plurality of spiral stirring rake 14 and broken rake 15 synchronous revolution of fixed mounting above that, thereby stir the alkali lye and the pulp of 1 inside of churn, broken rake 15 can smash bold pulp, accelerate its solution rate, spiral stirring rake 14 will be located the pulp of lower floor and take to the annular baffle 9 top of upper strata, thereby realize pulp's motion from bottom to top, realize the circulation orbit of pulp, make pulp at 1 inside distribution more even in the churn, improve stirring efficiency.

It should be noted that, when the stirring mechanism 4 rotates, the stirring direction of the rotating shaft 13 may be opposite to the stirring direction of the stirring drum 1, or may be the same as the stirring direction of the stirring drum 1 but different in rotation speed, that is, a differential rotation function is realized.

Further, as shown in fig. 3, the following preferred technical solutions are provided:

the stirring driving mechanism 3 comprises a first mounting bracket 16 and a first rotary driver 17, the first mounting bracket 16 is mounted on the frame, the first mounting bracket 16 is positioned on one side of the frame close to the bottom end of the stirring drum 1, the first rotary driver 17 is obliquely mounted on the first mounting bracket 16, the oblique direction of the first rotary driver 17 is consistent with that of the stirring drum 1, and the output end of the first rotary driver 17 is in transmission connection with the bottom end of the rotating shaft 13.

Specifically, when the stirring mechanism 4 is rotationally driven, the output end of the first rotational driver 17 drives the rotating shaft 13 to rotate, so as to realize the rotational driving function of the stirring driving mechanism 3, and the first mounting bracket 16 obliquely mounts the first rotational driver 17 on the rack.

Further, in order to solve the technical problem of how to drive the stirring mechanism to rotate, as shown in fig. 4, the following preferred technical solutions are provided:

barrel rotary driving mechanism 2 is including bearing seat 18, ring tooth 19, spacing swivel mount 20, rotary gear 21 and rotary driving device, bear seat 18, ring tooth 19, spacing swivel mount 20 and rotary gear 21 all are equipped with two, two bear seat 18, ring tooth 19, spacing swivel mount 20 and rotary gear 21 are located the both ends of churn 1 lateral wall respectively, bear seat 18 and rotary driving device and all install in the frame, spacing swivel mount 20 slope is installed on bearing seat 18, rotary gear 21 coupling is on spacing swivel mount 20, the fixed cover of ring tooth 19 is established at the tip of churn 1 lateral wall, ring tooth 19 meshes with rotary gear 21, rotary driving device's output and one of them rotary gear 21 transmission are connected.

Specifically, when barrel body rotary driving mechanism 2 worked, it was rotatory to drive the rotatory gear 21 of being connected with its transmission through the output of rotary driving device, rotatory gear 21 drives the ring tooth 19 of meshing with it and rotates, ring tooth 19 drives fixed connection's churn 1 synchronous revolution with it when rotatory, and then realized churn 1's rotary driving function, and this kind of drive mode can guarantee churn 1 rotational stability, drive power is strong to adapt to the demand of churn 1 rotation drive power.

Further, as shown in fig. 4, the following preferred technical solutions are provided:

the rotation driving device comprises a second mounting bracket 22 and a second rotation driver 23, the second mounting bracket 22 is fixedly mounted on the frame, the second rotation driver 23 is obliquely arranged on the second mounting bracket 22, the oblique direction of the second rotation driver 23 is consistent with that of the mixing drum 1, and the output end of the second rotation driver 23 is fixedly connected with the center of one side of one of the rotation gears 21.

Specifically, when the rotation driving device works, the second rotation driver 23 is obliquely installed on the frame through the second installation support 22, and the output end of the second rotation driver 23 drives the rotation gear 21 in transmission connection with the second rotation driver to rotate, so that the rotation driving function of the mixing drum 1 is realized.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A stirrer for reducing pulp impact is characterized by comprising a frame, a stirring cylinder (1), a cylinder body rotation driving mechanism (2), a stirring driving mechanism (3), a stirring mechanism (4) and an impact resistance device (5), wherein the stirring cylinder (1) is obliquely arranged on the frame, the stirring cylinder (1) is rotatably connected with the frame, a liquid inlet (6) and a liquid inlet (7) which are communicated with the inside of the stirring cylinder (1) are arranged at the top end of the stirring cylinder (1), a liquid outlet (8) which is communicated with the inside of the stirring cylinder (1) is arranged at the bottom end of the stirring cylinder (1), the cylinder body rotation driving mechanism (2) is arranged on the frame, a driving end of the cylinder body rotation driving mechanism (2) is in transmission connection with the stirring cylinder (1), the stirring mechanism (4) is arranged inside the stirring cylinder (1), the stirring driving mechanism (3) is arranged on the frame, an output end of the stirring mechanism (4) is in transmission connection with the stirring driving mechanism (3), anti-impact device (5) set up inside churn (1), anti-impact device (5) are including two at least annular baffle (9), the slope is installed on churn (1) inside wall, the incline direction of annular baffle (9) is perpendicular with the incline direction of churn (1), a plurality of annular baffle (9) set gradually along the incline direction of churn (1), a plurality of annular baffle (9) become a plurality of layers with churn (1) internal partitioning, the outer inside wall fixed connection with churn (1) of following of annular baffle (9), the middle part of annular baffle (9) is equipped with circular unloading opening (10) that are used for dodging rabbling mechanism (4) and are convenient for the unloading.

2. The stirring machine capable of reducing pulp impact according to claim 1, wherein one side of the annular partition plate (9) is further provided with a blanking notch (11), the blanking notch (11) is positioned on one side of the stirring cylinder (1) close to the discharge hole (8), and a plurality of blanking holes (12) are uniformly distributed on the annular partition plate (9).

3. The pulp impact reducing stirrer according to claim 1, wherein the stirring mechanism (4) comprises a rotating shaft (13), a spiral stirring paddle (14) and a crushing paddle (15), the rotating shaft (13) is obliquely installed inside the stirring cylinder (1), the rotating shaft (13) and the stirring cylinder (1) are coaxial, two ends of the rotating shaft (13) are respectively connected with the upper end and the lower end of the stirring cylinder (1) in a shaft manner, the spiral stirring paddle (14) and the crushing paddle (15) are respectively provided with a plurality of stirring paddles, the spiral stirring paddle (14) and the crushing paddle (15) are respectively and sequentially arranged in a plurality of layers of the stirring cylinder (1), the spiral stirring paddle (14) and the crushing paddle (15) are both sleeved on the rotating shaft (13), and the bottom end of the rotating shaft (13) is in transmission connection with the output end of the stirring driving mechanism (3).

4. The pulp impact reducing stirrer according to claim 3, wherein the stirring driving mechanism (3) comprises a first mounting bracket (16) and a first rotary driver (17), the first mounting bracket (16) is mounted on the frame, the first mounting bracket (16) is positioned on one side of the frame close to the bottom end of the stirring cylinder (1), the first rotary driver (17) is obliquely mounted on the first mounting bracket (16), the oblique direction of the first rotary driver (17) is consistent with that of the stirring cylinder (1), and the output end of the first rotary driver (17) is in transmission connection with the bottom end of the rotating shaft (13).

5. The pulp impact reducing stirrer according to claim 1, wherein the barrel body rotation driving mechanism (2) comprises two bearing seats (18), two ring teeth (19), two limiting rotating frames (20), two rotating gears (21) and two rotation driving devices, the two bearing seats (18), the two ring teeth (19), the two limiting rotating frames (20) and the two rotating gears (21) are respectively arranged at two ends of the outer side wall of the stirring barrel (1), the bearing seats (18) and the two rotation driving devices are respectively arranged on the frame, the limiting rotating frames (20) are obliquely arranged on the bearing seats (18), the rotating gears (21) are coupled on the limiting rotating frames (20), the ring teeth (19) are fixedly sleeved at the end part of the outer side wall of the stirring barrel (1), the ring teeth (19) are meshed with the rotating gears (21), the output end of the rotary driving device is in transmission connection with one of the rotary gears (21).

6. A pulp impact reducing blender according to claim 5 wherein the rotary drive means comprises a second mounting bracket (22) and a second rotary drive (23), the second mounting bracket (22) is fixedly mounted on the frame, the second rotary drive (23) is obliquely arranged on the second mounting bracket (22), the oblique direction of the second rotary drive (23) is coincident with the oblique direction of the blending drum (1), and the output end of the second rotary drive (23) is fixedly connected to the center of one side of one of the rotary gears (21).