Liquid mixing device for preparing wet strength agent

Abstract

The utility model relates to a liquid mixing device for preparing a wet strength agent, and belongs to the technical field of wet strength agent production. Comprising a stirring tank body, a stirring assembly is arranged in the stirring tank body, an external filtering device is arranged on one side of the stirring tank body, the external filtering device comprises a pipeline mixer, and a first inlet of the pipeline mixer is communicated with the middle of an inner cavity of the stirring tank body through a first pipeline; a second inlet of the pipeline mixer is communicated with the bottom of the inner cavity of the stirring tank body through a second pipeline, an outlet of the pipeline mixer is communicated with the upper part of the inner cavity of the stirring tank body through a third pipeline, and the third pipeline is sequentially connected with a circulating pump and a pipeline filter. The utility model has the following beneficial effects: liquid materials at the middle part and the bottom in the stirring tank body simultaneously enter the pipeline mixer to be mixed again, and then enter the stirring tank body after being filtered by the pipeline filter, so that the production process of firstly stirring and then removing impurities can be realized, and the product quality is improved.

Description

Technical Field

[0001] The utility model relates to a liquid mixing device for preparing a wet strength agent, belonging to the technical field of wet strength agent production. Background Art

[0002] Wet strength agent is the most common chemical additive for paper. Paper itself is a disordered arrangement of fibers, which are easily broken when exposed to water. During production, wet strength agent is added to overcome the problem of paper breaking when exposed to water, effectively increasing the bonding strength between fibers and increasing the water resistance of paper.

[0003] After searching, the utility model with patent number CN201720535711.8 discloses a stirring kettle for chemical products, including a stirring kettle body, cavities are provided at both ends of the bottom of the stirring kettle body, a second motor is installed at the bottom of the stirring kettle body, a reducer is installed at the top of the stirring kettle body relative to the second motor, the top of the reducer is fixedly connected to the first motor, a transmission rod is installed in the middle of the reducer, a rotating blade is fixedly connected to the transmission rod, baffles are installed on both sides of the top inner wall of the stirring kettle body, a material storage platform is fixedly welded above the inner walls of both sides of the stirring kettle body, the end of the telescopic rod away from the motor is connected to a push plate by bolts, and ventilation pipes are installed on the inner walls of both sides of the stirring kettle body, and one end of the ventilation pipe is connected to an air pump. The utility model allows the stirring kettle to be filled with materials first through the material storage platform and then attached to the stirring liquid surface, so that the stirring can be uniform and the stirring effect is good.

[0004] Although the above patent can realize the stirring function, the current technology is not comprehensive and has the following disadvantages:

[0005] In the production process of wet strength agent, due to some unavoidable factors, there will be some partially insoluble matter (such as fiber, impurities) in the raw materials, and these impurities will affect the product quality.

[0006] In order to solve one of the above problems, a liquid mixing device for preparing a wet strength agent is urgently needed. Utility Model Content

[0007] In view of the above deficiencies in the prior art, the technical problem to be solved by the utility model is: how to realize the production process of stirring first and then removing impurities, filter and isolate insoluble matter, and improve product quality. For this purpose, a liquid mixing device for preparing a wet strength agent is provided.

[0008] The liquid mixing device for preparing a wet strength agent described in the utility model comprises a stirring tank body, wherein a stirring assembly is arranged inside the stirring tank body, and the utility model is characterized in that an external filtering device is arranged on one side of the stirring tank body, and the external filtering device comprises a pipeline mixer, wherein a first inlet of the pipeline mixer is connected to the middle part of the inner cavity of the stirring tank body through a first pipeline, a second inlet of the pipeline mixer is connected to the bottom of the inner cavity of the stirring tank body through a second pipeline, and an outlet of the pipeline mixer is connected to the upper part of the inner cavity of the stirring tank body through a third pipeline, and a circulation pump and a pipeline filter are sequentially connected to the third pipeline.

[0009] Preferably, a fourth pipeline is connected in parallel at both ends of the pipeline filter, an electric-controlled valve C is installed on the fourth pipeline, an electric-controlled valve D is installed at the inlet of the pipeline filter, and a disperser connected to the third pipeline is arranged in the stirring tank.

[0010] The raw materials for preparing the wet strength agent are added into the stirring tank. While stirring and dissolving through the stirring assembly, the electric regulating valve A, the electric regulating valve B and the circulation pump are turned on, and the electric control valve D is opened and the electric control valve C is closed. It is not used for removing impurities, but only for accelerating the progress of stirring and dissolving.

[0011] After the stirring is completed, the electric control valve D is closed and the electric control valve C is opened. The liquid materials in the middle and bottom of the stirring tank body enter the pipeline mixer for re-mixing at the same time, and then enter the stirring tank body after being filtered through the pipeline filter. This can realize the production process of stirring first and then removing impurities, thereby improving product quality.

[0012] Preferably, the stirring assembly includes a stirring motor installed on the top of the stirring tank body, a stirring shaft is provided in the stirring tank body, a stirring blade is installed at the bottom end of the stirring shaft, and the upper end of the stirring shaft is fixedly connected to the power output shaft of the stirring motor. The structure is simple, and rapid stirring and mixing of liquid raw materials can be achieved.

[0013] Preferably, the disperser includes a turntable connected to the stirring shaft, the turntable and the stirring shaft are coaxially arranged, an outer cylinder coaxial with the stirring shaft is arranged above the turntable, the outer cylinder is fixedly connected to the stirring tank body by a connecting support rod, an inner cylinder is coaxially arranged in the outer cylinder, the top ends of the outer cylinder and the inner cylinder are blocked by an upper annular end plate, the bottom ends of the outer cylinder and the inner cylinder are blocked by a lower annular end plate, the outer cylinder, the inner cylinder, the upper annular end plate and the lower annular end plate enclose a liquid storage cavity, the inner wall of the inner cylinder is evenly distributed with water outlets connected to the liquid storage cavity, the water inlet on the outer cylinder is connected to the third pipe, and there is a preset gap between the lower annular end plate and the material diverter plate.

[0014] Preferably, the upper surface of the rotating disk is provided with a plurality of groups of material-diverting plates, and the plurality of material-diverting plates are arranged around the center line of the rotating disk. When the rotating disk rotates, the material-diverting plates spread the material sprayed on the rotating disk by the inner cylinder by centrifugal force.

[0015] Preferably, the pipeline filter is a Y-type filter, which is easy to clean.

[0016] Preferably, a first feed port and a second feed port are provided on the upper part of the stirring tank body, the first feed port is connected to a feed pipe extension pipe, the other end of the extension pipe extends into the inner cylinder body, and the material flowing in through the first feed port and the extension pipe can be directly mixed for the first time with the liquid sprayed from the inner cylinder body in the inner cylinder body, and then stirred and mixed by the stirring tank body to accelerate the mixing speed.

[0017] Preferably, the circulation pump is a peristaltic pump.

[0018] Preferably, a plurality of groups of liquid level sensors are provided in the stirring tank body to detect the liquid level in the stirring tank body.

[0019] Preferably, a three-way pipe is provided at the bottom end of the stirring tank body, the first interface of the three-way pipe is connected to the stirring tank body, the second interface is connected to the second pipeline, and the third interface is connected to the discharge pipe. The discharge pipe is installed with an electric control valve E and a discharge pump. After the electric regulating valve A and the electric regulating valve B are closed, the electric control valve E and the discharge pump can be opened to discharge.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] The utility model discloses a liquid mixing device for preparing a wet strength agent, wherein the electric regulating valve A, the electric regulating valve B and the circulating pump are in a closed state, the raw materials for preparing the wet strength agent are added into a stirring tank body, the stirring assembly is turned on for stirring and dissolving, after the stirring is completed, the electric regulating valve A, the electric regulating valve B and the circulating pump are turned on again, the liquid materials in the middle and bottom of the stirring tank body simultaneously enter the pipeline mixer for re-mixing, and then enter the stirring tank body after being filtered through the pipeline filter, so that a production process of stirring first and then removing impurities can be realized, the insoluble matter can be filtered and isolated, and the product quality can be improved.

[0022] The liquid mixing device for preparing wet strength agent of the utility model has the first feed port connected to the feed pipe extension pipe, the other end of the extension pipe extends into the inner cylinder, the material flowing in through the first feed port and the extension pipe can be directly mixed with the liquid sprayed from the inner cylinder for the first time in the inner cylinder, and then stirred and mixed by the stirring tank body, thereby accelerating the mixing speed.

[0023] In the liquid mixing device for preparing wet strength agent of the utility model, the two ends of the pipeline filter are connected in parallel with a fourth pipeline, and the fourth pipeline is installed with an electric control valve C, which can realize the closing of the impurity removal function. When not used for impurity removal, it is only used to accelerate the stirring and dissolving progress. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the description of the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale. Figure 1 It is a schematic diagram of the structure of the utility model; Figure 2 is a schematic diagram of the structure of the disperser;

[0025] Figure 3 This is the structural diagram of the pipeline mixer.

[0026] In the figure: 1, stirring tank body 2, stirring motor 3, stirring shaft 4, stirring blade 5, pipeline mixer 6, first pipeline 7, second pipeline 8, electric regulating valve A 9, electric regulating valve B 10, circulation pump 11, third pipeline 12, pipeline filter 13, fourth pipeline 14, electric control valve C 15, electric control valve D 16, turntable 17, material shifting plate 18, outer cylinder 19, inner cylinder 20, upper annular end plate 21, lower annular end plate 22, connecting support rod 23, first feed port 24, second feed port 25, extension pipe 26, electric control valve E 27, discharge pump. DETAILED DESCRIPTION

[0027] The utility model is further described below in conjunction with the accompanying drawings: The utility model is further illustrated below through specific embodiments, but is not intended to limit the utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the invention should be included in the protection scope of the utility model.

[0028] Embodiment 1, as Figure 1-2 As shown, the liquid mixing device for preparing a wet strength agent comprises a stirring tank body 1, a stirring assembly is arranged inside the stirring tank body 1, an external filtering device is arranged on one side of the stirring tank body 1, and the external filtering device comprises a pipeline mixer 5, a first inlet of the pipeline mixer 5 is connected to the middle part of the inner cavity of the stirring tank body 1 through a first pipeline 6, a second inlet of the pipeline mixer 5 is connected to the bottom of the inner cavity of the stirring tank body 1 through a second pipeline 7, and an outlet of the pipeline mixer 5 is connected to the upper part of the inner cavity of the stirring tank body 1 through a third pipeline 11, and a circulation pump 10 and a pipeline filter 12 are connected to the third pipeline 11 in sequence.

[0029] The electric regulating valve A8, the electric regulating valve B9 and the circulating pump 10 are in a closed state, the raw materials for preparing the wet strength agent are added into the stirring tank body 1, and the stirring assembly is turned on for stirring and dissolving. After the stirring is completed, the electric regulating valve A8, the electric regulating valve B9 and the circulating pump 10 are turned on again, and the liquid materials in the middle and bottom of the stirring tank body 1 enter the pipeline mixer 5 at the same time for re-mixing, and then enter the stirring tank body 1 after being filtered by the pipeline filter 12, so as to realize the production process of stirring first and then removing impurities, thereby improving product quality.

[0030] Embodiment 2, as Figure 1-3 As shown, the liquid mixing device for preparing a wet strength agent comprises a stirring tank body 1, a stirring assembly is arranged inside the stirring tank body 1, an external filtering device is arranged on one side of the stirring tank body 1, and the external filtering device comprises a pipeline mixer 5, a first inlet of the pipeline mixer 5 is connected to the middle part of the inner cavity of the stirring tank body 1 through a first pipeline 6, a second inlet of the pipeline mixer 5 is connected to the bottom of the inner cavity of the stirring tank body 1 through a second pipeline 7, and an outlet of the pipeline mixer 5 is connected to the upper part of the inner cavity of the stirring tank body 1 through a third pipeline 11, and a circulation pump 10 and a pipeline filter 12 are connected to the third pipeline 11 in sequence.

[0031] Furthermore, a fourth pipeline 13 is connected in parallel at both ends of the pipeline filter 12, an electric control valve C14 is installed on the fourth pipeline 13, an electric control valve D15 is installed at the inlet of the pipeline filter 12, and a disperser connected to the third pipeline 11 is provided in the stirring tank body 1.

[0032] The raw materials for preparing the wet strength agent are added into the stirring tank 1. While stirring and dissolving through the stirring assembly, the electric regulating valve A8, the electric regulating valve B9 and the circulation pump 10 are opened, and the electric control valve D15 is opened and the electric control valve C14 is closed. It is not used for removing impurities, but only for accelerating the progress of stirring and dissolving.

[0033] After the stirring is completed, the electric control valve D15 is closed and the electric control valve C14 is opened. The liquid materials in the middle and bottom of the stirring tank body 1 enter the pipeline mixer 5 for re-mixing at the same time, and then enter the stirring tank body 1 after being filtered by the pipeline filter 12, so that the production process of stirring first and then removing impurities can be realized, thereby improving product quality.

[0034] Furthermore, the stirring assembly includes a stirring motor 2 installed on the top of the stirring tank body 1, a stirring shaft 3 is arranged in the stirring tank body 1, a stirring blade 4 is installed at the bottom end of the stirring shaft 3, and the upper end of the stirring shaft 3 is fixedly connected to the power output shaft of the stirring motor 2. The structure is simple, and rapid stirring and mixing of liquid raw materials is achieved.

[0035] Furthermore, the disperser includes a turntable 16 connected to the stirring shaft 3, the turntable 16 is coaxially arranged with the stirring shaft 3, an outer cylinder 18 coaxial with the stirring shaft 3 is arranged above the turntable 16, the outer cylinder 18 is fixedly connected to the stirring tank body 1 through a connecting support rod 22, an inner cylinder 19 is coaxially arranged inside the outer cylinder 18, the top ends of the outer cylinder 18 and the inner cylinder 19 are blocked by an upper annular end plate 20, and the bottom ends of the outer cylinder 18 and the inner cylinder 19 are blocked by a lower annular end plate 21, the outer cylinder 18, the inner cylinder 19, the upper annular end plate 20, and the lower annular end plate 21 enclose a liquid storage cavity, and water outlets connected to the liquid storage cavity are evenly distributed on the inner wall of the inner cylinder 19, the water inlet on the outer cylinder 18 is connected to the third pipe 11, and there is a preset gap between the lower annular end plate 21 and the material diverter plate 17.

[0036] Furthermore, a plurality of groups of material-diverting plates 17 are provided on the upper surface of the rotating disk 16, and the plurality of material-diverting plates 17 are arranged around the center line of the rotating disk 16. When the rotating disk 16 rotates, the material-diverting plates 17 spread the material sprayed on the rotating disk 16 by the inner cylinder 19 by centrifugal force.

[0037] Furthermore, the pipeline filter 12 is a Y-type filter, which is easy to clean.

[0038] Furthermore, a first feed port 23 and a second feed port 24 are provided on the upper portion of the stirring tank body 1. The first feed port 23 is connected to a feed pipe extension pipe 25. The other end of the extension pipe 25 extends into the inner cylinder body 19. The material flowing in through the first feed port 23 and the extension pipe 25 can be directly mixed for the first time with the liquid sprayed from the inner cylinder body 19 in the inner cylinder body 19, and then stirred and mixed by the stirring tank body 1 to accelerate the mixing speed.

[0039] Furthermore, the circulation pump 10 is a peristaltic pump.

[0040] Furthermore, a plurality of liquid level sensors are provided in the stirring tank body 1 to detect the height of the liquid level in the stirring tank body 1 .

[0041] Furthermore, a three-way pipe is provided at the bottom end of the stirring tank body 1, the first interface of the three-way pipe is connected to the stirring tank body 1, the second interface is connected to the second pipeline 7, and the third interface is connected to the discharge pipe. The discharge pipe is installed with an electric control valve E26 and a discharge pump 27. After the electric regulating valve A8 and the electric regulating valve B9 are closed, the electric control valve E26 and the discharge pump 27 can be opened to discharge.

[0042] The utility model discloses a liquid mixing device for preparing a wet strength agent, wherein the electric regulating valve A, the electric regulating valve B and the circulating pump are in a closed state, the raw materials for preparing the wet strength agent are added into a stirring tank body, the stirring assembly is turned on for stirring and dissolving, after the stirring is completed, the electric regulating valve A, the electric regulating valve B and the circulating pump are turned on again, the liquid materials in the middle and bottom of the stirring tank body simultaneously enter the pipeline mixer for re-mixing, and then enter the stirring tank body after being filtered through the pipeline filter, so that a production process of stirring first and then removing impurities can be realized, thereby improving product quality.

[0043] The liquid mixing device for preparing wet strength agent of the utility model has the first feed port connected to the feed pipe extension pipe, the other end of the extension pipe extends into the inner cylinder, the material flowing in through the first feed port and the extension pipe can be directly mixed with the liquid sprayed from the inner cylinder for the first time in the inner cylinder, and then stirred and mixed by the stirring tank body, thereby accelerating the mixing speed.

[0044] In the liquid mixing device for preparing wet strength agent of the utility model, the two ends of the pipeline filter are connected in parallel with a fourth pipeline, and the fourth pipeline is installed with an electric control valve C, which can realize the closing of the impurity removal function. When not used for impurity removal, it is only used to accelerate the stirring and dissolving progress.

[0045] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the present utility model is defined by the attached claims and their equivalents.

[0046] The matters not described in detail in the present invention are all known technologies to those skilled in the art.

Claims

1. A liquid mixing device for preparing a wet strength agent, characterized in that: It includes a stirring tank body, and a stirring assembly is arranged inside the stirring tank body, and is characterized in that: an external filtering device is arranged on one side of the stirring tank body, and the external filtering device includes a pipeline mixer, a first inlet of the pipeline mixer is connected to the middle part of the inner cavity of the stirring tank body through a first pipeline, a second inlet of the pipeline mixer is connected to the bottom of the inner cavity of the stirring tank body through a second pipeline, and an outlet of the pipeline mixer is connected to the upper part of the inner cavity of the stirring tank body through a third pipeline, and a circulation pump and a pipeline filter are connected to the third pipeline in sequence.

2. The liquid mixing device for preparing a wet strength agent according to claim 1, characterized in that: A fourth pipeline is connected in parallel at both ends of the pipeline filter, an electric control valve C is installed on the fourth pipeline, an electric control valve D is installed at the inlet of the pipeline filter, and a disperser connected to the third pipeline is arranged in the stirring tank.

3. The liquid mixing device for preparing a wet strength agent according to claim 2, characterized in that: The stirring assembly comprises a stirring motor installed on the top of a stirring tank body, a stirring shaft is arranged in the stirring tank body, a stirring blade is installed at the bottom end of the stirring shaft, and the upper end of the stirring shaft is fixedly connected to the power output shaft of the stirring motor.

4. The liquid mixing device for preparing a wet strength agent according to claim 3, characterized in that: The disperser includes a turntable connected to a stirring shaft, the turntable and the stirring shaft are coaxially arranged, an outer cylinder coaxial with the stirring shaft is arranged above the turntable, the outer cylinder is fixedly connected to the stirring tank body by a connecting support rod, an inner cylinder is coaxially arranged in the outer cylinder, the top ends of the outer cylinder and the inner cylinder are blocked by an upper annular end plate, the bottom ends of the outer cylinder and the inner cylinder are blocked by a lower annular end plate, the outer cylinder, the inner cylinder, the upper annular end plate and the lower annular end plate enclose a liquid storage cavity, the inner wall of the inner cylinder is evenly distributed with water outlets connected to the liquid storage cavity, the water inlet on the outer cylinder is connected to the third pipe, and a preset gap is provided between the lower annular end plate and the material stripping plate.

5. The liquid mixing device for preparing a wet strength agent according to claim 4, characterized in that: The upper surface of the turntable is provided with a plurality of groups of material-diverting plates, and the plurality of material-diverting plates are arranged around the center line of the turntable.

6. The liquid mixing device for preparing a wet strength agent according to claim 5, characterized in that: The pipeline filter is a Y-type filter.

7. The liquid mixing device for preparing a wet strength agent according to claim 6, characterized in that: The upper part of the stirring tank body is provided with a first feed port and a second feed port, the first feed port is connected to the feed pipe extension pipe, the other end of the extension pipe extends into the inner cylinder body, the material flowing in through the first feed port and the extension pipe can be directly mixed with the liquid sprayed from the inner cylinder body for the first time in the inner cylinder body, and then stirred and mixed by the stirring tank body to accelerate the mixing speed.

8. The liquid mixing device for preparing a wet strength agent according to claim 7, characterized in that: The circulation pump is a peristaltic pump.

9. The liquid mixing device for preparing a wet strength agent according to claim 8, characterized in that: The mixing tank body is provided with a plurality of groups of liquid level sensors for detecting the liquid level in the mixing tank body.

10. The liquid mixing device for preparing a wet strength agent according to claim 9, characterized in that: A three-way pipe is provided at the bottom end of the stirring tank body, the first interface of the three-way pipe is connected to the stirring tank body, the second interface is connected to the second pipeline, and the third interface is connected to the discharge pipe. The discharge pipe is installed with an electric control valve E and a discharge pump. After the electric regulating valve A and the electric regulating valve B are closed, the electric control valve E and the discharge pump can be opened to discharge the material.

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