Continuous mixing device for polyacrylamide dry powder thickening agent

Abstract

The utility model discloses a continuous mixing device for a polyacrylamide dry powder thickening agent, and relates to the technical field of thickening agent production. The device comprises a material mixing barrel, a screw rod lifting module, a rotating mechanism, an annular top plate, a stirring assembly and a material barrel, the plurality of mixing barrels are uniformly distributed at the periphery of the rotating mechanism along the circumference; the mixing barrel is arranged in the placing frame, the screw rod lifting module is fixed on the rotating mechanism and drives the placing frame to lift in a mechanical transmission mode, and the rotating mechanism is used for driving the screw rod lifting module to rotate. Through the arrangement of the placing frame, the lead screw lifting module, the rotating mechanism, the plurality of stirring assemblies and the plurality of charging barrels, the device can realize continuous mixing, the production efficiency is improved, materials are fully stirred by the plurality of stirring assemblies, the uniformity of the materials is greatly improved, and the production cost is reduced. The problems that an existing mixing device is not ideal enough in stirring uniformity, and continuous mixing is difficult to achieve are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of thickener production, in particular to a continuous mixing device for a polyacrylamide dry powder thickener. Background Art

[0002] Polyacrylamide thickener is an important chemical substance, a high molecular compound formed by the polymerization of acrylamide monomers. It has good chemical properties and is widely used in many fields, such as cosmetics, food, building materials, etc. The working principle of polyacrylamide thickener is to increase the viscosity of the fluid by forming a three-dimensional network structure in the solution. This network structure will form some cross points in the solution, and the interconnected chains will connect the solution molecules in series to form a structure, thereby increasing the viscosity of the fluid.

[0003] The continuous mixing device in the production process of polyacrylamide dry powder thickener is a special equipment used for continuous mixing and preparation of thickener base liquid. The device is mainly used to continuously mix various raw materials and additives in a preset proportion and sequence to ensure the quality and stability of the thickener.

[0004] After searching, the announcement number CN213610883U and the announcement date 2021-07-06 disclose a thickener production device, including a main box, a feed hopper, a drive motor and a sampling tube, the bottom center of the main box is fixedly connected with a discharge hopper connected to the inside of the main box, the bottom end of the side wall of the main box is fixedly welded with a sampling tube connected to the inside of the main box, and the end of the sampling tube close to the main box is movably connected with a baffle, and the top center of the main box is connected with a bearing, the bearing is fixedly sleeved with a rotating rod, and the end of the rotating rod close to the bearing is fixedly connected to the output shaft of the drive motor, the drive motor is fixedly sleeved with a fixing frame, and the end of the fixing frame away from the drive motor is fixedly connected to the top of the main box, and the top of the main box is fixedly connected with a feed hopper connected to the inside of the main box at both ends centered on the drive motor. The thickener production device has a reasonable structure, simple operation, and is conducive to popularization and use.

[0005] The patent has the following shortcomings:

[0006] 1. The production device puts the raw materials into the main box in a centralized manner, and drives the rotating rod to rotate through the driving motor, thereby driving the stirring plate to mix and stir the raw materials. Centralized feeding is likely to cause uneven mixing;

[0007] 2. The production device is difficult to achieve continuous mixing, the production efficiency is not ideal, and the internal agitator is not convenient to clean.

[0008] To this end, we provide a continuous mixing device for a polyacrylamide dry powder thickener to solve the above-mentioned problems. Utility Model Content

[0009] The utility model aims to provide a continuous mixing device for a polyacrylamide dry powder thickener. By arranging a placement frame, a screw lifting module, a rotating mechanism, a plurality of stirring components and a plurality of barrels, the device can realize continuous mixing, and the production efficiency is improved. Moreover, the material is fully stirred by the plurality of stirring components, and the uniformity of the material is greatly improved, thereby solving the problem that the existing mixing device has unsatisfactory stirring uniformity and is difficult to realize continuous mixing.

[0010] In order to solve the above technical problems, the utility model is achieved through the following technical solutions:

[0011] The utility model discloses a continuous mixing device for a polyacrylamide dry powder thickener, comprising a mixing barrel, a screw lifting module, a rotating mechanism, an annular top plate, a stirring assembly and a barrel; the mixing barrels are provided with a plurality of the mixing barrels, which are evenly distributed around the rotating mechanism along the circumference; the mixing barrel is placed in a placement rack, the screw lifting module is fixed on the rotating mechanism, and the placement rack is driven to rise and fall by mechanical transmission, and the rotating mechanism is used to drive the screw lifting module to rotate; the annular top plate is located above the rotating mechanism, and a plurality of stirring assemblies evenly distributed along the circumference are penetrated thereon, and the barrel is provided above each stirring assembly.

[0012] It also includes an impact component, which is provided in plurality and distributed one-to-one with the plurality of stirring components, and the impact component includes an arc plate, an electric push rod, an air flow impact unit and a clean water impact unit; the arc plate is movably arranged on the annular top plate and surrounds the stirring component, the electric push rod is fixed to the bottom of the annular top plate, and is used to drive the arc plate to rise and fall; the air flow impact unit and the clean water impact unit are both integrated on the arc plate, the air flow impact unit is used to remove materials attached to the stirring component, and the clean water impact unit is used to clean the stirring component.

[0013] The utility model is further configured as follows: the placement rack includes a Z-shaped plate, a fixed semi-circular plate and a movable semi-circular plate; one end of the Z-shaped plate is fixedly connected to the nut seat of the screw lifting module, and the top of the other end is fixed with the fixed semi-circular plate, one end of the fixed semi-circular plate is hinged to the movable semi-circular plate, and the other end is buckled with the movable semi-circular plate; the mixing barrel is placed in a circular cavity formed by the fixed semi-circular plate and the movable semi-circular plate.

[0014] The utility model is further configured such that the rotating mechanism includes a gear ring, a support platform, a gear and a first motor; the screw lifting module is fixed on the top of the gear ring, the gear ring is supported by a plurality of support platforms, the gear ring is meshed with the gear, and the gear is fixedly sleeved on the output shaft of the first motor.

[0015] The utility model is further configured such that the stirring assembly includes a second motor and an agitator fixed on the output shaft of the second motor; the second motor is fixed on the top of the annular top plate, and the styles of the agitators of the plurality of stirring assemblies are installed based on actual needs.

[0016] The utility model is further configured that the barrel is fixed to the top of the annular top plate by a bracket; a discharge pipe is provided at the bottom of the barrel, the discharge pipe extends to the bottom of the annular top plate, and a valve is provided on the discharge pipe.

[0017] The utility model is further configured that the annular top plate is provided with an arc-shaped hole for the arc-shaped plate to pass through.

[0018] The utility model is further configured that the airflow impact unit includes an arc tube, a nozzle, a connecting pipe and a conveying main pipe; the arc tube is provided with a plurality of them, which are sleeved on the outer surface of the arc plate at equal intervals, the arc tube is provided with a plurality of evenly distributed nozzles, and the arc tube is connected to the conveying main pipe through a connecting pipe.

[0019] The utility model is further configured such that the structure of the clean water impact unit is the same as the structure of the airflow impact unit; the arc-shaped tubes of the two are staggeredly distributed.

[0020] The utility model is further configured that a support plate is fixed on the top end of the arc plate, and the support plate is fixedly connected to the movable end of the electric push rod; and a plurality of through holes for the nozzle to pass through are arranged on the arc plate.

[0021] The utility model has the following beneficial effects:

[0022] 1. The utility model provides a placement rack, a screw lifting module, a rotating mechanism, multiple stirring components and multiple barrels, so that the device can achieve continuous mixing, the production efficiency is improved, and the material is fully stirred by a variety of stirring components, and the uniformity of the material is greatly improved.

[0023] 2. The utility model provides an arc plate, an air flow impact unit and a clean water impact unit, so that when the mixing barrel rotates, the air flow impact unit can remove the material attached to the stirring component, reduce the accumulation of the material on the stirrer, thereby improving the stirring efficiency and uniformity, and preventing the material from dripping onto the ground. The clean water impact unit can be used to conveniently clean the stirring component, and the arc plate also plays a protective role. When the stirring component is not in use, it can be wrapped inside.

[0024] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0026] Figure 1 It is a three-dimensional schematic diagram of the overall structure of a continuous mixing device for a polyacrylamide dry powder thickener.

[0027] Figure 2 The present invention is a schematic diagram of the structure of a placement frame and a rotating mechanism of a continuous mixing device for a polyacrylamide dry powder thickener.

[0028] Figure 3 The present invention is a schematic diagram of the stirring assembly and barrel structure of a continuous mixing device for a polyacrylamide dry powder thickener.

[0029] Figure 4 The present invention is a schematic diagram of the arc plate and electric push rod structure of a continuous mixing device for a polyacrylamide dry powder thickener.

[0030] Figure 5 The present invention is a schematic diagram of the structure of an air flow impact unit and a clean water impact unit of a continuous mixing device for a polyacrylamide dry powder thickener.

[0031] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0032] 1-mixing barrel, 2-placing rack, 201-Z-shaped plate, 202-fixed semicircular plate, 203-movable semicircular plate, 3-screw lifting module, 4-rotating mechanism, 401-gear ring, 402-support platform, 403-gear, 404-first motor, 5-annular top plate, 501-arc hole, 6-stirring assembly, 601-second motor, 602-stirrer, 7-barrel, 701-bracket, 702-discharge pipe, 703-valve, 8-impact assembly, 801-arc plate, 801a-support plate, 801b-through hole, 802-electric push rod, 803-airflow impact unit, 803a-arc pipe, 803b-spray pipe, 803c-connecting pipe, 803d-conveying main pipe, 804-clean water impact unit. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Specific embodiment 1

[0034] See also Figure 1-3 The utility model is a continuous mixing device for a polyacrylamide dry powder thickener, comprising a mixing barrel 1, a screw lifting module 3, a rotating mechanism 4, an annular top plate 5, a stirring assembly 6 and a barrel 7; the mixing barrel 1 is provided with a plurality of screw lifting modules 3, which are evenly distributed around the rotating mechanism 4 along the circumference; the mixing barrel 1 is placed in a placement rack 2, the screw lifting module 3 is fixed on the rotating mechanism 4, and the placement rack 2 is driven to rise and fall by mechanical transmission, and the rotating mechanism 4 is used to drive the screw lifting module 3 to rotate; the annular top plate 5 is located above the rotating mechanism 4, and a plurality of stirring assemblies 6 evenly distributed along the circumference are arranged on it, and a barrel 7 is arranged above each stirring assembly 6.

[0035] Specifically, the placement rack 2 includes a Z-shaped plate 201, a fixed semi-circular plate 202 and a movable semi-circular plate 203; one end of the Z-shaped plate 201 is fixedly connected to the nut seat of the screw lifting module 3, and a fixed semi-circular plate 202 is fixed on the top of the other end; one end of the fixed semi-circular plate 202 is hinged to the movable semi-circular plate 203, and the other end is buckled with the movable semi-circular plate 203; the mixing barrel 1 is placed in a circular cavity formed by the fixed semi-circular plate 202 and the movable semi-circular plate 203.

[0036] Furthermore, the rotating mechanism 4 includes a ring gear 401, a support platform 402, a gear 403 and a first motor 404; the screw lifting module 3 is fixed on the top of the ring gear 401, the ring gear 401 is supported by multiple support platforms 402, the ring gear 401 is meshed with the gear 403, and the gear 403 is fixedly mounted on the output shaft of the first motor 404.

[0037] Furthermore, the stirring assembly 6 includes a second motor 601 and an agitator 602 fixed on the output shaft of the second motor 601; the second motor 601 is fixed on the top of the annular top plate 5, and the styles of the agitators 602 of multiple stirring assemblies 6 are installed based on actual needs.

[0038] Furthermore, the barrel 7 is fixed to the top of the annular top plate 5 by a bracket 701 ; a discharge pipe 702 is provided at the bottom of the barrel 7 , and the discharge pipe 702 extends to the bottom of the annular top plate 5 , and a valve 703 is provided on the discharge pipe 702 .

[0039] The operation process of this embodiment is as follows: the mixing barrel 1 is placed in a circular cavity formed by the fixed semi-circular plate 202 and the movable semi-circular plate 203, the mixing barrel 1 is driven to rise by the screw lifting module 3, so that the stirring component 6 is located in the mixing barrel 1, materials are added to the mixing barrel 1 through the barrel 7, and then stirred by the stirring component 6. After the stirring is completed, the mixing barrel 1 is driven to descend by the screw lifting module 3, and then the airflow impact unit 803 is used to help the material on the stirrer 602 to drip faster, the screw lifting module 3 is driven to rotate by the rotating mechanism 4, and the screw lifting module 3 drives the mixing barrel 1 to rotate, so that the mixing barrel 1 rotates to the bottom of the next stirring component 6, and another material is continued to be added to realize continuous mixing, the production efficiency is improved, and the material is fully stirred by a variety of stirring components 6, and the uniformity of the material is greatly improved. Specific embodiment 2

[0040] See also Figure 1 , 4 -5, based on the specific embodiment 1, it also includes an impact component 8, and a plurality of impact components 8 are provided, which are distributed one-to-one corresponding to the plurality of stirring components 6.

[0041] Specifically, the impact assembly 8 includes an arc plate 801, an electric push rod 802, an air flow impact unit 803 and a clean water impact unit 804; the arc plate 801 is movably arranged on the annular top plate 5 and surrounds the stirring assembly 6, the electric push rod 802 is fixed to the bottom of the annular top plate 5, and is used to drive the arc plate 801 to rise and fall, a support plate 801a is fixed to the top of the arc plate 801, and the support plate 801a is fixedly connected to the movable end of the electric push rod 802, and an arc hole 501 is provided on the annular top plate 5 for the arc plate 801 to pass through; the air flow impact unit 803 and the clean water impact unit 804 are both integrated on the arc plate 801, the air flow impact unit 803 is used to remove materials attached to the stirring assembly 6, and the clean water impact unit 804 is used to clean the stirring assembly 6.

[0042] Furthermore, the airflow impact unit 803 includes an arc tube 803a, a nozzle 803b, a connecting pipe 803c and a conveying main pipe 803d; a plurality of arc tubes 803a are provided, which are evenly spaced and sleeved on the outer surface of the arc plate 801, and a plurality of evenly distributed nozzles 803b are provided on the arc tube 803a, and the arc tube 803a is connected to the conveying main pipe 803d through the connecting pipe 803c; the structure of the clean water impact unit 804 is the same as that of the airflow impact unit 803; the arc tubes 803a of the two are staggered; and a plurality of through holes 801b for the nozzles 803b to pass through are provided on the arc plate 801.

[0043] The operation process of this embodiment is as follows: the arc plate 801 is driven to descend by the electric push rod 802, the conveying main pipe 803d is connected to an external fan, and the airflow is distributed to each connecting pipe 803c through the conveying main pipe 803d, and then enters each arc pipe 803a, and finally sprayed out from multiple nozzles 803b, so as to help the material on the agitator 602 to drip faster and reduce the accumulation of the material on the agitator 602, thereby improving the efficiency and uniformity of the stirring and preventing the material from dripping onto the ground; when the stirring component 6 needs to be cleaned, water is sprayed out through the nozzle 803b of the clean water impact unit 804; when the stirring component 6 is not in use, the stirring component 6 is wrapped inside by the arc plate 801 to play a protective role.

[0044] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0045] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A continuous mixing device for a polyacrylamide dry powder thickener, comprising a mixing barrel (1), a screw lifting module (3), a rotating mechanism (4), an annular top plate (5), a stirring assembly (6) and a barrel (7); characterized in that: The mixing barrels (1) are provided in plurality and are evenly distributed around the rotating mechanism (4) along the circumference; The mixing barrel (1) is placed in the placement rack (2), the screw rod lifting module (3) is fixed on the rotating mechanism (4), and drives the placement rack (2) to rise and fall by means of mechanical transmission, and the rotating mechanism (4) is used to drive the screw rod lifting module (3) to rotate; The annular top plate (5) is located above the rotating mechanism (4), and is provided with a plurality of stirring components (6) evenly distributed along the circumference, and each stirring component (6) is provided with a barrel (7) above it; It also includes an impact assembly (8), wherein a plurality of the impact assemblies (8) are provided and distributed in a one-to-one correspondence with the plurality of stirring assemblies (6), and the impact assembly (8) includes an arc plate (801), an electric push rod (802), an airflow impact unit (803) and a clean water impact unit (804); The arc plate (801) is movably arranged on the annular top plate (5) and surrounds the stirring assembly (6); the electric push rod (802) is fixed to the bottom of the annular top plate (5) and is used to drive the arc plate (801) to rise and fall; The airflow impact unit (803) and the clean water impact unit (804) are both integrated on the arc-shaped plate (801); the airflow impact unit (803) is used to remove materials attached to the stirring component (6), and the clean water impact unit (804) is used to clean the stirring component (6).

2. A continuous mixing device for a polyacrylamide dry powder thickener according to claim 1, characterized in that: The placement rack (2) comprises a Z-shaped plate (201), a fixed semicircular arc plate (202) and a movable semicircular arc plate (203); One end of the Z-shaped plate (201) is fixedly connected to the nut seat of the screw lifting module (3), and the top of the other end is fixed with the fixed semi-circular plate (202); one end of the fixed semi-circular plate (202) is hinged to the movable semi-circular plate (203), and the other end is buckled to the movable semi-circular plate (203); The mixing barrel (1) is placed in a circular cavity formed by the fixed semicircular arc plate (202) and the movable semicircular arc plate (203).

3. A continuous mixing device for a polyacrylamide dry powder thickener according to claim 1, characterized in that: The rotating mechanism (4) comprises a gear ring (401), a support platform (402), a gear (403) and a first motor (404); The screw rod lifting module (3) is fixed on the top of the gear ring (401); the gear ring (401) is supported by a plurality of support platforms (402); the gear ring (401) is meshed with the gear (403); and the gear (403) is fixedly sleeved on the output shaft of the first motor (404).

4. The continuous mixing device of a polyacrylamide dry powder thickener according to claim 1, characterized in that: The stirring assembly (6) comprises a second motor (601) and a stirrer (602) fixed on an output shaft of the second motor (601); The second motor (601) is fixed on the top of the annular top plate (5), and the styles of the agitators (602) of the plurality of agitation assemblies (6) are installed based on actual needs.

5. The continuous mixing device of a polyacrylamide dry powder thickener according to claim 1, characterized in that: The barrel (7) is fixed to the top of the annular top plate (5) via a bracket (701); A feeding pipe (702) is provided at the bottom of the barrel (7), the feeding pipe (702) extends to below the annular top plate (5), and a valve (703) is provided on the feeding pipe (702).

6. The continuous mixing device of a polyacrylamide dry powder thickener according to claim 1, characterized in that: The annular top plate (5) is provided with an arc-shaped hole (501) for the arc-shaped plate (801) to pass through.

7. A continuous mixing device for a polyacrylamide dry powder thickener according to claim 1, characterized in that: The airflow impact unit (803) comprises an arc tube (803a), a nozzle (803b), a connecting tube (803c) and a conveying main tube (803d); The arc-shaped tubes (803a) are provided in plurality and are sleeved on the outer surface of the arc-shaped plate (801) at equal intervals. The arc-shaped tubes (803a) are provided with a plurality of evenly distributed nozzles (803b). The arc-shaped tubes (803a) are connected to the main conveying tube (803d) via a connecting tube (803c).

8. A continuous mixing device for a polyacrylamide dry powder thickener according to claim 7, characterized in that: The structure of the clean water impact unit (804) is the same as that of the airflow impact unit (803); The arc-shaped tubes (803a) of the two are arranged in a staggered manner.

9. A continuous mixing device for a polyacrylamide dry powder thickener according to claim 7, characterized in that: A support plate (801a) is fixed to the top end of the arc-shaped plate (801), and the support plate (801a) is fixedly connected to the movable end of the electric push rod (802); The arc-shaped plate (801) is provided with a plurality of through holes (801b) for the nozzle (803b) to pass through.

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