CN219482631U - Dipping barrel - Google Patents

Abstract

The utility model discloses an impregnation barrel, and belongs to the field of viscose production equipment. The device comprises an outer barrel body, an inner barrel body with two open ends and a stirring mechanism, wherein a pulp feeding port and an alkali liquor inlet are arranged at the top of the outer barrel body, the alkali liquor inlet is connected with an alkali liquor inlet pipe, the alkali liquor inlet pipe penetrates through the alkali liquor inlet to extend into the outer barrel body, an alkali liquor inlet pipe outlet is positioned right below the pulp feeding port, and the intersection angle between the discharge direction of the pulp feeding port and the discharge direction of the alkali liquor inlet pipe is less than 90 degrees; the inner barrel body is vertically arranged in the middle part of the outer barrel body, the lower part of the inner barrel body is distributed with a static blade, and the static blade is fixedly arranged on the inner wall; the stirring mechanism comprises a stirring shaft and a blade assembly, and the stirring shaft vertically penetrates through the inner barrel body; the blade assembly is located in the inner barrel body and comprises a movable blade and a pressing blade, and the movable blade is located above the pressing blade and the static blade. The utility model can effectively reduce the problems of blockage of the pulp feeding port and accumulation of pulp porridge, and improve the dipping effect and efficiency.

Description

Dipping barrel

Technical Field

The utility model particularly relates to an impregnation barrel, and belongs to the field of viscose production equipment.

Background

The viscose is a chemical fiber which is processed by using polymer materials such as wood pulp and cotton pulp containing natural cellulose through chemical and mechanical methods, is the type of chemical fiber which has the closest performance to natural fiber clothing, has the characteristics of soft hand feeling, moisture absorption and ventilation, elegant hanging, bright dyeing, static resistance, easiness in textile processing and the like, is derived from the natural source, is superior to the natural regenerated cellulose fiber, and is one of important materials of textile industry raw materials.

The viscose is prepared through immersing solid pulp to obtain alkali cellulose, squeezing, pulverizing and ageing, and conveying to yellowing machine for CS ₂ And (3) reacting to generate cellulose xanthate, dissolving the cellulose xanthate in alkali liquor to obtain liquid viscose, removing impurities and bubbles in the viscose through the procedures of filtering and defoaming, adjusting the viscosity and the maturity of the viscose through the ripening technology, and finally producing the stock solution viscose meeting the performance requirements of the subsequent technology.

In the impregnation process, the pulp material reacts with alkali liquor in the impregnation barrel to generate alkali cellulose, but when the conventional impregnation barrel is used, the problems include:

1. the blockage of a feed inlet is easy to occur;

2. poor impregnation effect, such as: stacking the porridge in the dipping barrel; the generated alkali cellulose is easy to stir to the inner wall of the dipping barrel to form weathered alkali fiber, and the production of weathered alkali fiber not only causes the subsequent filtering and spinning difficulty, but also affects the quality of alkali fiber, in addition, the alkali fiber can be discharged into the air along with an air supply pipeline, and the air quality of workshops and the like are seriously affected.

In the prior art CN208430069U, a "secondary impregnation bucket" is disclosed, wherein, the left side of the upper end of the barrel body is provided with an alkali liquor and alkali cellulose inlet, the upper end of the alkali liquor and alkali cellulose inlet is connected with a mixer, the alkali liquor sprayed by the mixer again dissolves out a part of hemicellulose in the alkali cellulose, and, by adopting spiral propelling stirring, the number of propelling stirring paddles is multiple, and the plurality of propelling stirring paddles) are all positioned in the diversion bucket. The alkali cellulose prepared by the previous procedure and the alkali solution added according to a certain proportion are sprayed by a mixer and enter a guide barrel from the inlets of the alkali solution and the alkali cellulose, namely, the alkali cellulose is suitable for the re-impregnation of the alkali cellulose.

For this reason, there is a need for an impregnation tank that improves impregnation quality and efficiency.

Disclosure of Invention

The utility model provides an impregnating barrel for solving the problems in the prior art. In the technical scheme, the problems of blockage of a pulp feed port and accumulation of pulp porridge are solved by arranging a pulp feed port, an alkali liquor inlet and an alkali liquor inlet pipe; and through the arrangement of the static blade, the movable blade and the pressing blade, the problems that alkali cellulose is easy to stir to the inner wall of the dipping barrel to form weathered alkali fiber and the like are solved, and the dipping efficiency and quality are improved.

In order to achieve the technical purpose, the following technical scheme is provided:

the dipping barrel comprises an outer barrel body, an inner barrel body with two open ends and a stirring mechanism, wherein a pulp feeding port and an alkali liquor inlet are formed in the top of the outer barrel body, the alkali liquor inlet is connected with an alkali liquor inlet pipe, the alkali liquor inlet pipe penetrates through the alkali liquor inlet and extends into the outer barrel body, an outlet of the alkali liquor inlet pipe is positioned right below the pulp feeding port, an intersection angle between the discharging direction of the pulp feeding port and the discharging direction of the alkali liquor inlet pipe is smaller than 90 degrees, so that part of alkali liquor entering the outer barrel body impacts the pulp feeding port, the problems of blocking of the pulp feeding port and accumulation of pulp porridge by 80% can be effectively reduced, and the dipping effect is improved;

the inner barrel body is vertically arranged in the middle part of the outer barrel body, the lower part of the inner barrel body is provided with a static blade for crushing pulp, and the static blade is fixedly arranged on the inner wall;

the stirring mechanism comprises a stirring shaft and blade assemblies distributed on the stirring shaft, and the stirring shaft vertically penetrates through the inner barrel body; the blade assembly is located in the inner barrel body, and the blade assembly comprises a movable blade used for smashing pulp and a pressing blade used for pushing the pulp in the inner barrel body outwards, and the movable blade is located above the pressing blade and the static blade.

Preferably, the distance between the upper end face of the inner barrel body and the top end face of the outer barrel body is 100-150cm.

Preferably, the distance between the lower end surface of the inner barrel body and the bottom end surface of the outer barrel body is 40-60cm.

Preferably, the distance between the outer wall of the inner barrel body and the inner wall of the outer barrel body is 30-50cm.

Preferably, the inner diameter of the outer cylinder body is 1.6-2.0 times of the inner diameter of the inner cylinder body.

Preferably, the number of the static blades is at least two, the number of the pressing blades is at least two, and the static blades and the pressing blades are adjacently arranged, for example: the first static blade that pushes down below the sword is first, and the first static blade below is the second and pushes down the sword, and the second pushes down the sword below and is the second static blade to this arranges in proper order, improves interior staving in pulp crushing efficiency and quality, and still improves interior staving and outer staving's material circulation, and the pulp is the roll-over form including the staving, makes alkali lye and pulp misce bene and complete, guarantees that alkali cellulose generates completely, guarantees promptly that this impregnating vessel's dipping effect is good.

Preferably, the number of the static blades is less than the number of the hold-down blades.

The relations of the top, the inner part, the right lower part, the middle part, the lower part, the vertical part, the upper end face, the lower end face, the outer part, the bottom part, the end face, the adjacent part and the like in the technical scheme are defined according to the conditions in the actual use state, are conventional terms in the technical field and are also conventional terms in the actual use process of the technical personnel in the field.

In the description of the present technical solution, it should be noted that, unless explicitly specified and limited otherwise, terms "disposed", "connected" and "connected" should be interpreted broadly, and for example, they may be fixed, removable or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

By adopting the technical scheme, the beneficial effects brought are as follows:

1. in the utility model, the intersection angle between the discharge direction of the pulp feed port and the discharge direction of the alkali liquor feeding pipe is smaller than 90 degrees, so that part of alkali liquor entering the outer barrel body impacts the pulp feed port, the problems of plugging and porridge accumulation of the pulp feed port can be effectively reduced by 80 percent, and the dipping effect is improved;

2. in the utility model, a static blade for crushing pulp is distributed at the lower part of an inner barrel body, a movable blade is positioned above a pressing blade and the static blade, and the movable blade (namely a blade rotating along with a stirring shaft) is used for cutting off pulp paper put in a pulp feeding port and feeding the pulp paper into the inner barrel body; the arrangement of the pressing blade and the static blade improves the pulp crushing efficiency and quality in the inner barrel body, and also improves the material circulation of the inner barrel body and the outer barrel body, and the pulp is in a tumbling shape in the inner barrel body, so that alkali liquor and pulp are uniformly and completely mixed, the generation of alkali cellulose is completely ensured, and the good impregnating effect of the impregnating barrel is ensured. In addition, the stirring mechanism prevents alkali fibers from being beaten to the inner wall of the outer barrel body to form weathered alkali fibers, thereby affecting the dipping effect;

3. the utility model has simple structure, stability and durability, does not need to be provided with a special circulating stirring device, and can effectively reduce energy consumption.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a top view of the present utility model;

in the figure, 1, an outer barrel body, 11, a pulp feeding port, 12, an alkali liquor inlet, 2, an inner barrel body, 3, a stirring mechanism, 31, a stirring shaft, 32, a movable blade, 33, a pressing blade, 4, an alkali liquor inlet pipe, 5 and a static blade.

Detailed Description

In the following, it is obvious that the embodiments described are only some embodiments of the present utility model, but not all embodiments, by clearly and completely describing the technical solutions in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The dipping barrel comprises an outer barrel body 1, an inner barrel body 2 with two open ends and a stirring mechanism 3, wherein a pulp feeding port 11 and an alkali liquor inlet 12 are formed in the top of the outer barrel body 1, the alkali liquor inlet 12 is connected with an alkali liquor inlet pipe 4, the alkali liquor inlet pipe 4 penetrates through the alkali liquor inlet 12 and extends into the outer barrel body 1, an outlet of the alkali liquor inlet pipe 4 is positioned right below the pulp feeding port 11, an intersection angle between the discharging direction of the pulp feeding port 11 and the discharging direction of the alkali liquor inlet pipe 4 is smaller than 90 degrees, so that part of alkali liquor entering the outer barrel body 1 impacts the pulp feeding port 11, the problems of blocking of the pulp feeding port 11 and accumulation of pulp porridge can be effectively reduced by 80%, and dipping effect is improved;

the inner barrel body 2 is vertically arranged in the middle part of the outer barrel body 1, the lower part of the inner barrel body 2 is distributed with a static blade 5 for crushing pulp, and the static blade 5 is fixedly arranged on the inner wall;

the stirring mechanism 3 comprises a stirring shaft 31 and blade assemblies distributed on the stirring shaft 31, and the stirring shaft 31 vertically penetrates through the inner barrel body 2; the blade assembly is located in the inner tub 2, and includes a movable blade 32 for pulverizing pulp and a pressing blade 33 for pushing pulp out of the inner tub 2, the movable blade 32 being located above the pressing blade 33 and the stationary blade 5.

For the present technical solution, as shown in fig. 1-2, the related working process includes:

1. feeding pulp from a pulp feeding port 11, and feeding alkali liquor from an alkali liquor inlet 12, wherein part of the alkali liquor entering the outer barrel body 1 impacts the pulp feeding port 11, so that the problems of plugging and porridge accumulation of the pulp feeding port 11 by 80% can be effectively reduced, and the dipping effect is improved;

2. in the dipping barrel, pulp contacts and reacts with alkali liquor to generate pulp porridge containing alkali cellulose, and then the pulp porridge is enabled to roll outwards from the bottom of the inner barrel body 2 through the action of the static blade 5 and the stirring mechanism 3 and then roll into the inner barrel body 2 to form circulation, so that the efficiency of the pulp and the alkali liquor is improved, and the complete generation of the alkali cellulose is ensured. The movable blade 32 is mainly used for cutting off the pulp paper put in the pulp feed port 11 and feeding the pulp paper into the inner barrel body 2; the pressing blade 33 is used for pushing down/pushing out pulp in the inner tub 2; the static blade 5 is used for crushing pulp in the inner barrel body 2 so as to realize the dipping effect.

Example 2

On the basis of embodiment 1, the present embodiment further defines the positional relationship and the size relationship between the inner tub 2 and the outer tub 1, so as to further explain the present technical solution.

The distance between the upper end face of the inner barrel body 2 and the top end face of the outer barrel body 1 is 100-150cm, namely, under the limitation of cost and effect, the distance between the inner barrel body 2 and the outer barrel body 1 is increased, and the formation of weathered alkali fiber caused by splashing of porridge to the top is avoided;

the distance between the lower end surface of the inner barrel body 2 and the end surface of the bottom of the outer barrel body 1 is 40-60cm, so that cavities are formed on the two end surfaces, the porridge is rolled outwards from the bottom of the inner barrel body 2, circulation is formed, namely, the uniform mixing of alkali liquor and pulp is effectively improved, the complete generation of alkali cellulose is ensured, and the good dipping effect of the dipping barrel is promoted;

the distance between the outer wall of the inner barrel body 2 and the inner wall of the outer barrel body 1 is 30-50cm, so that a pulp porridge circulation channel of the inner barrel body 2 and the outer barrel body 1 is formed, pulp porridge can conveniently roll outwards from the bottom of the inner barrel body 2 and then roll into the inner barrel body 2 to form circulation;

the inner diameter of the outer barrel body is 1.6-2.0 times of that of the inner barrel body 2, so that on one hand, the outer wall of the inner barrel body 2 and the inner wall of the outer barrel body 1 are ensured to form a cavity, and slurry porridge can conveniently roll outwards from the bottom of the inner barrel body 2 and then roll into the inner barrel body 2 to form circulation; on the other hand, the inner barrel body 1 is not only used for installing the inner barrel body 2, but also receives the pulp porridge rolling outwards from the bottom of the inner barrel body 2, namely, the stability and the order of the dipping procedure are improved.

Example 3

On the basis of the embodiments 1-2, the present embodiment further defines the static blade 5 and the pressing blade 33, so as to further explain the present technical solution.

Wherein, quiet blade 5 quantity is two at least, pushes down blade 33 quantity and is two at least, is adjacent setting between quiet blade 5 and the sword that pushes down, if: the first static blade 5 that pushes down below is first static blade 5, and the second pushes down the sword for the second below of first static blade 5, and the second pushes down the sword below and is second static blade 5 to this arranges in proper order, improves in the staving in 2 pulp crushing efficiency and quality, and still improves in the staving 2 and the material circulation of outer staving 1, and the pulp is the roll form including staving 2, makes alkali lye and pulp misce bene and complete, guarantees that alkali cellulose generates completely, guarantees promptly that this impregnating vessel's dipping effect is good.

In addition, the number of the static blades 5 is less than that of the pressing blades, and pulp which is not completely dissolved is further crushed, so that the dipping effect is improved.

Claims (7)

1. The utility model provides a dipping barrel, includes outer staving (1), both ends open-ended interior staving (2) and rabbling mechanism (3), its characterized in that: the top of the outer barrel body (1) is provided with a pulp feeding port (11) and an alkali liquor inlet (12), the alkali liquor inlet (12) is connected with an alkali liquor feeding pipe (4), the alkali liquor feeding pipe (4) penetrates through the alkali liquor inlet (12) and extends into the outer barrel body (1), an outlet of the alkali liquor feeding pipe (4) is positioned right below the pulp feeding port (11), and an intersection angle between a discharging direction of the pulp feeding port (11) and a discharging direction of the alkali liquor feeding pipe (4) is smaller than 90 degrees;

the inner barrel body (2) is vertically arranged in the middle part of the outer barrel body (1), a static blade (5) for crushing pulp is distributed at the lower part of the inner barrel body (2), and the static blade (5) is fixedly arranged on the inner wall;

the stirring mechanism (3) comprises a stirring shaft (31) and blade assemblies distributed on the stirring shaft (31), and the stirring shaft (31) vertically penetrates through the inner barrel body (2); the blade assembly is positioned in the inner barrel body (2), and comprises a movable blade (32) for crushing pulp and a pressing blade (33) for pushing the pulp in the inner barrel body (2) outwards, wherein the movable blade (32) is positioned above the pressing blade (33) and the static blade (5).

2. The impregnation vat of claim 1, wherein: the distance between the upper end face of the inner barrel body (2) and the top end face of the outer barrel body (1) is 100-150cm.

3. The impregnation vat of claim 1 or 2, wherein: the distance between the lower end surface of the inner barrel body (2) and the bottom end surface of the outer barrel body (1) is 40-60cm.

4. A dipping bucket according to claim 3, wherein: the distance between the outer wall of the inner barrel body (2) and the inner wall of the outer barrel body (1) is 30-50cm.

5. The impregnation vat of claim 4, wherein: the inner diameter of the outer barrel body is 1.6-2.0 times of the inner diameter of the inner barrel body (2).

6. The impregnation vat of claim 1, wherein: the number of the static blades (5) is at least two, the number of the pressing blades (33) is at least two, and the static blades (5) and the pressing blades are adjacently arranged.

7. The impregnation vat of claim 1 or 6, wherein: the number of the static blades (5) is less than the number of the pressing blades.