CN211514262U

CN211514262U - A stirred tank for mixing sodium carboxymethylcellulose

Info

Publication number: CN211514262U
Application number: CN201921552377.2U
Authority: CN
Inventors: 倪志青
Original assignee: Shanghai Everbright Enterprise Development Co ltd
Current assignee: Shanghai Everbright Enterprise Development Co ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-09-18
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses a stirring kettle for mixing sodium carboxymethylcellulose in the related technical field of chemical equipment, which comprises a stirring device and a crushing device; the stirring device comprises a first motor, a stirring shaft and a stirrer, wherein the first motor is arranged at the top of the stirring kettle body, the stirrer is arranged at the middle lower part inside the stirring kettle body, and the first motor is connected with the stirrer through the stirring shaft; the crushing device comprises a first crushing knife, a crushing barrel and a second crushing knife, the first crushing knife is fixedly connected to a stirring shaft above the stirrer, the first crushing knife and the stirring shaft are obliquely arranged, the crushing barrel is arranged between the first crushing knife and the stirring kettle body, and the second crushing knife is fixedly arranged on the inner wall of the crushing barrel; a feed port is arranged at the top of the stirring kettle body, and a discharge port of the feed port is positioned above the first crushing knife and the second crushing knife; this stirred tank can smash the sodium carboxymethylcellulose who drops into the reaction in advance, avoids the caking to produce adverse effect to follow-up product.

Description

A stirred tank for mixing sodium carboxymethylcellulose

Technical Field

The utility model relates to a relevant technical field of chemical industry equipment, in particular to a stirred tank for mixing sodium carboxymethylcellulose.

Background

Sodium carboxymethyl cellulose is the cellulose with the widest application range and the largest use amount in the world, and is widely applied to the fields of thickening agents in food industry, medicament carriers in medical industry, adhesives in daily chemical industry, anti-redeposition agents and the like.

Sodium carboxymethylcellulose is in a powder state when prepared, and is hygroscopic and lumpy when stored, and it is necessary to filter or pulverize it when it is used again.

Traditional sodium carboxymethylcellulose production facility can not smash the sodium carboxymethylcellulose of caking to cause the adverse effect to the production of follow-up product, make the low quality of product.

SUMMERY OF THE UTILITY MODEL

To the carboxymethylcellulose sodium that prior art exists can not smash the caking, and then influence the technical problem of product quality, the utility model provides a stirred tank for mixing carboxymethylcellulose sodium.

In order to achieve the above purpose, the technical scheme of the utility model is that:

a stirring kettle for mixing sodium carboxymethylcellulose comprises a support, a stirring kettle body arranged on the support, a stirring device and a crushing device; the stirring device comprises a first motor, a stirring shaft and a stirrer, wherein the first motor is arranged at the top of the stirring kettle body, the stirrer is arranged at the middle lower part inside the stirring kettle body, and the first motor is connected with the stirrer through the stirring shaft; the crushing device comprises a first crushing knife, a crushing barrel and a second crushing knife, the first crushing knife is fixedly connected to a stirring shaft above the stirrer, the first crushing knife and the stirring shaft are obliquely arranged, the crushing barrel is arranged between the first crushing knife and the stirring kettle body, and the second crushing knife is fixedly arranged on the inner wall of the crushing barrel; a feed port is formed in the top of the stirring kettle body, and a discharge port of the feed port is positioned above the first crushing knife and the second crushing knife; and a discharge hole is formed in the bottom of the stirring kettle body.

Furthermore, the first crushing cutter and the second crushing cutter are provided with a plurality of groups, and the plurality of groups of the first crushing cutter and the plurality of groups of the second crushing cutter are arranged in a staggered mode.

Further, still include the second motor, the second motor with smash the bucket transmission and be connected.

Furthermore, the crushing barrel further comprises a filter screen and a linear driving mechanism, wherein the filter screen is abutted against the lower end of the crushing barrel, and the filter screen is in transmission connection with the linear driving mechanism.

Further, still be equipped with the liquid charge door on the stirred tank body side, the discharge port of liquid charge door is located smash the below of bucket.

Further, the stirrer is a spiral stirrer.

Further, still include heating device, heating device set up in the well lower part of stirred tank body.

Preferably, the heating means comprises an inner coil heater and/or an outer coil heater.

The utility model has the advantages of as follows:

1. the crushing device arranged above the stirring device can crush the sodium carboxymethylcellulose put into reaction, prevent the agglomerated raw materials from entering subsequent reaction, and ensure that subsequent products are not affected by agglomeration of the sodium carboxymethylcellulose;

2. the first crushing cutter and the stirring shaft are obliquely arranged, an upward shearing force is formed when the motor drives the first crushing cutter and the stirring shaft to rotate, and the shearing force is cooperated with gravity, so that the sodium carboxymethylcellulose is prevented from directly falling into a reaction area, and the crushing is more sufficient;

3. the first crushing knife is matched with the second crushing knife, and the crushing barrel separates the two at the periphery to ensure that the crushing is more complete;

4. the stirrer and the first crushing cutter share the motor and the stirring shaft, only one power source is needed, and the structure is simple and energy is saved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

In the figure, 1-bracket; 2-stirring the kettle body; 21-a feeding port; 22-a discharge hole; 23-a liquid feed port; 3-a stirring device; 31-a first motor; 32-stirring shaft; 33-a stirrer; 4-a crushing device; 41-first crushing knife; 42-a crushing barrel; 43-second crushing knife; 44-a second motor; 45-filtering the filter screen; 46-a linear drive mechanism; 5-a heating device; 51-inner coil heater; 52-external coil heater.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

It should be noted that in the description of the present invention, the terms "upper", "lower", "inner", "outer", "between", and the like are used for the purpose of describing the structure of the present invention based on the drawings, and are only for the convenience of describing the present invention, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the technical scheme, the terms "first" and "second" are only used for referring to the same or similar structures or corresponding structures with similar functions, and are not used for ranking the importance of the structures, or comparing the sizes or other meanings.

In addition, unless expressly stated or limited otherwise, the terms "mounted" and "connected" are to be construed broadly, e.g., the connection may be a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two structures can be directly connected or indirectly connected through an intermediate medium, and the two structures can be communicated with each other. To those skilled in the art, the specific meanings of the above terms in the present invention can be understood in relation to the present scheme in specific terms according to the general idea of the present invention.

As shown in fig. 1, a stirring tank for mixing sodium carboxymethylcellulose comprises a support 1, a stirring tank body 2 arranged on the support 1, a stirring device 3 and a crushing device 4; the stirring device 3 comprises a first motor 31, a stirring shaft 32 and a stirrer 33, wherein the first motor 31 is arranged at the top of the stirring kettle body 2, the stirrer 33 is arranged at the middle-lower part inside the stirring kettle body 2, namely the lower end of the stirrer 33 is close to the bottom of the stirring kettle body 2, the uppermost end of the stirrer 33 is equivalent to 1/2-2/3 of the stirring kettle body 2 in height, and the first motor 31 is connected with the stirrer 33 through the stirring shaft 32; the crushing device 4 comprises a first crushing blade 41, a crushing barrel 42 and a second crushing blade 43, wherein the first crushing blade 41 is fixedly connected to the stirring shaft 32 above the stirrer 33, the first crushing blade 41 is obliquely arranged with the stirring shaft 32, the oblique arrangement refers to that when the first crushing blade 41 is a plane rectangle, the side of the rectangle connected with the stirring shaft 32 is called a first side, the first side forms a certain included angle with the axial lead of the stirring shaft 32, the included angle is a non-right angle, two sides of the rectangle perpendicular to the first side are perpendicular to the axial lead of the stirring shaft 32, when the first crushing blade 41 is driven by the first motor 31 to rotate, an upward shearing force is formed, the shearing force is cooperated with gravity, the sodium carboxymethyl cellulose is prevented from directly falling into a reaction area, the crushing is more sufficient, and for the same technical purpose, when the first crushing blade 41 is a plane with other shapes, even a curved surface, the arrangement form is similar to the inclination mode of a plane rectangular structure; in specific implementation, the first crushing blades 41 may be a plurality of radial blades on the same plane like a steel wire on a bicycle wheel; the crushing barrel 42 is a porous barrel structure, in particular, the crushing barrel 42 may have a mesh-shaped barrel bottom, the crushing barrel 42 is disposed between the first crushing cutter 41 and the stirring kettle body 2, that is, the barrel wall of the crushing barrel 42 is located between the cutter point of the first crushing cutter 41 and the inner wall of the stirring kettle body 2, the second crushing cutter 43 is fixedly disposed on the inner wall of the crushing barrel 42, in particular, the second crushing cutter 43 is inclined similar to the first crushing cutter 41 no matter what shape it is, and the second crushing cutter 43 may also be a plurality of radial arrangements similar to the first crushing cutter 41, needless to say, the position relationship between the first crushing cutter 41 and the second crushing cutter 43 satisfies the requirement that the two cooperate to shear the agglomerated sodium carboxymethyl cellulose; a feed inlet 21 is formed in the top of the stirring kettle body 2, and a discharge port of the feed inlet 21 is positioned above the first crushing knife 41 and the second crushing knife 42; the bottom of the stirring kettle body 2 is provided with a discharge hole 22.

When the device is used, solid raw materials such as sodium carboxymethylcellulose are put into the stirring kettle body 2 from the feeding port 21, and naturally fall onto the first crushing cutter 41 and the second crushing cutter 43 under the action of gravity, at the moment, the first crushing cutter 41 and the second crushing cutter 43 form relative motion under the driving of the stirring shaft 32 to crush agglomerated raw materials, some of the crushed raw materials directly fall into a stirring area of the stirrer 33 below under the action of gravity to participate in reaction, and more raw materials are thrown into the crushing barrel 42 under the action of centrifugal force to fall into the stirring area from a through hole of a barrel wall to participate in reaction; the crushed raw materials such as sodium carboxymethyl cellulose can play better roles of thickening, carrying, bonding and the like in the reaction than in the agglomeration state.

The above is the basic model of the embodiment of the present invention, and in order to improve the technical effect, the following improvements can be made to the basic model of the embodiment, and the following improvements can be combined together without contradiction.

In order to make the crushing effect better, the first crushing cutter 41 and the second crushing cutter 43 have a plurality of groups, wherein the groups mean that the first crushing cutter 41 and the second crushing cutter 43 have a plurality of layers, and naturally, the groups of the first crushing cutter 41 and the groups of the second crushing cutter 43 are arranged in a staggered manner, and the gaps between the groups of the first crushing cutter 41 and the groups of the second crushing cutter 43 meet the requirements of relative rotation and raw material crushing.

In order to further optimize the crushing effect, the stirring kettle for mixing the sodium carboxymethylcellulose further comprises a second motor 44, the second motor 44 is in transmission connection with the crushing barrel 42, the transmission connection mode can be that the second motor 44 is arranged at the top of the stirring kettle body 2 and extends into the stirring kettle body 2 through a rotating shaft, a gear is arranged at the end part of the rotating shaft, a rack is arranged at the position, corresponding to the gear, on the crushing barrel 42, the rack and the gear are in matched transmission, and other transmission modes can be adopted during specific implementation. When the device works, the second motor 44 and the first motor 31 rotate in opposite directions, so that the first crushing knife 41 and the second crushing knife 43 rotate in opposite directions, the relative movement speed of the two is higher, and a better shearing effect is achieved; in specific implementation, the optimal shearing effect can be realized by setting the inclination angles of the first crushing knife 41 and the second crushing knife 43, and for the setting of the inclination angles, a person skilled in the art can combine own experience and implement the method on the basis of no creative work.

On the basis of above various embodiments, a stirred tank for mixing sodium carboxymethylcellulose still includes filter screen 45 and linear drive mechanism 46, and filter screen 45 butt in the lower extreme or the bottom of smashing bucket 42, filter screen 45 and linear drive mechanism 46 transmission are connected, are driven filter screen 45 reciprocating motion by linear drive mechanism 46, carry out the sieve to the sodium carboxymethylcellulose that drops on it and strain.

In order to prevent the added liquid raw materials from being adhered to the crushing device 4 and influencing the crushing effect of the crushing device 4 on the solid raw materials such as sodium carboxymethylcellulose and the like, the side surface of the stirring kettle body 2 is also provided with a liquid feeding port 23, the discharging port of the liquid feeding port 23 is positioned below the crushing barrel 42, or the added liquid raw materials directly flow down along the side wall of the stirring kettle body 2, so that the technical purpose can be realized without the liquid raw materials passing through the crushing device 2; of course, the specific implementation can be realized if the special liquid feeding port 23 is not arranged at the position, and the technical purpose can be realized only by firstly feeding and crushing all solid raw materials and then adding the liquid raw materials; the operation is more convenient only after the liquid charging port 23 is arranged.

Because the solution viscosity of sodium carboxymethylcellulose is great, agitator 33 is spiral agitator, is convenient for play better stirring effect.

In many cases, the reaction needs heating, and in order to meet the requirements of such reaction, the stirring kettle for mixing sodium carboxymethylcellulose further comprises a heating device 5 in the form of an inner coil heater 51 and/or an outer coil heater 52, and the like, wherein the heating device 5 is arranged at the middle lower part of the stirring kettle body 2, that is, the lowest position of the heating device 5 can be always arranged at the bottom of the stirring kettle body 2, and the highest position of the heating device 5 is equal to the height 1/2-2/3 of the stirring kettle body 2.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a stirred tank for mixing sodium carboxymethylcellulose, include the support with set up in the stirred tank body on the support, its characterized in that: also comprises a stirring device and a crushing device; the stirring device comprises a first motor, a stirring shaft and a stirrer, wherein the first motor is arranged at the top of the stirring kettle body, the stirrer is arranged at the middle lower part inside the stirring kettle body, and the first motor is connected with the stirrer through the stirring shaft; the crushing device comprises a first crushing knife, a crushing barrel and a second crushing knife, the first crushing knife is fixedly connected to a stirring shaft above the stirrer, the first crushing knife and the stirring shaft are obliquely arranged, the crushing barrel is arranged between the first crushing knife and the stirring kettle body, and the second crushing knife is fixedly arranged on the inner wall of the crushing barrel; a feed port is formed in the top of the stirring kettle body, and a discharge port of the feed port is positioned above the first crushing knife and the second crushing knife; and a discharge hole is formed in the bottom of the stirring kettle body.

2. The mixing tank for mixing sodium carboxymethylcellulose according to claim 1, characterized in that: the first crushing cutter and the second crushing cutter are provided with a plurality of groups, and the first crushing cutter and the second crushing cutter are arranged in a staggered mode.

3. The mixing tank for mixing sodium carboxymethylcellulose according to claim 1, characterized in that: still include the second motor, the second motor with smash the bucket transmission and be connected.

4. The stirring kettle for mixing sodium carboxymethylcellulose according to any one of claims 1-3, wherein: the crushing barrel is characterized by further comprising a filter screen and a linear driving mechanism, wherein the filter screen is abutted to the lower end of the crushing barrel, and the filter screen is in transmission connection with the linear driving mechanism.

5. The stirring kettle for mixing sodium carboxymethylcellulose according to any one of claims 1-3, wherein: still be equipped with the liquid charge door on the lateral wall of the stirred tank body, the discharge port of liquid charge door is located smash the below of bucket.

6. The stirring kettle for mixing sodium carboxymethylcellulose according to any one of claims 1-3, wherein: the stirrer is a spiral stirrer.

7. The stirring kettle for mixing sodium carboxymethylcellulose according to any one of claims 1-3, wherein: still include heating device, heating device set up in the well lower part of the stirred tank body.

8. The mixing tank for mixing sodium carboxymethylcellulose according to claim 7, characterized in that: the heating device comprises an inner coil heater and/or an outer coil heater.