Mixing equipment for producing AKD (Alkyl Ketene Dimer) neutral sizing agent

Abstract

The utility model discloses mixing equipment for producing an AKD (Alkyl Ketene Dimer) neutral sizing agent, which belongs to the technical field of mixing equipment and is characterized in that a plurality of groups of raw material bins are arranged at the top of a top plate at intervals, blanking pipes positioned above mixing bins are arranged at the bottoms of the raw material bins, and blanking valves are mounted in the middles of the blanking pipes; a plurality of groups of discharging openings are formed in the inner wall of the mixing bin, a discharging gear ring is rotationally arranged at the bottom of the mixing bin, and a plurality of groups of shielding arc plates matched with the discharging openings are fixedly arranged on the inner side of the discharging gear ring; a cleaning gear ring is rotationally mounted at the top of the mixing bin; a plurality of groups of scraping plates are fixedly arranged on the inner side of the cleaning gear ring; a stirring frame is installed at the output end of the stirring motor, and a stirring plate is arranged at the tail end of the stirring frame. Raw materials can be added into the mixing bin in proportion through the raw material bin, and when the cleaning motor drives the cleaning gear ring to rotate, the scraping plate can scrape the inner wall of the mixing bin in a reciprocating mode. And after the shielding arc plate leaves the discharging opening, the mixed raw materials fall into the storage and collection box, and the stability and the freedom degree are improved through the design.

Description

TECHNICAL FIELD

[0001] The utility model relates to mixed equipment technical field, and specifically is a kind of mixed equipment for AKD neutral sizing agent production. BACKGROUND

[0002] Alkyl ketene dimmer (AKD) is a reactive neutral sizing agent for papermaking. Sizing agent is a papermaking additive, mainly divided into in-pulp sizing and surface sizing. Sizing on paper can improve the water resistance, oil resistance, printing ink resistance and other properties of paper, and can also improve the smoothness, hydrophobicity and printing adaptability.

[0003] The patent application with publication number CN219424183U discloses a mixing equipment for surface sizing agent processing, which includes a mixing tank, a sealing cover is connected to the top end of the mixing tank, a motor is fixedly installed at the middle of the top end of the sealing cover, an output end of the motor extends into the interior of the mixing tank and is fixedly connected with a shaft rod, two discharge pipes are fixedly arranged on the top surface of the shaft rod, a plurality of uniformly distributed discharge holes are formed in the bottom end of each discharge pipe, and a material receiving hopper is fixedly and communicatively connected to the top end of each discharge pipe. The mixing equipment for surface sizing agent processing drives the shaft rod to rotate by the motor, which in turn drives the two discharge pipes to rotate, so that the ingredients move under the action of centrifugal force and are uniformly scattered in the interior of the mixing tank. At the same time, the shaft rod drives a plurality of first mixing rods and a plurality of second mixing rods to rotate, which uniformly mixes the materials in all directions and avoids uneven mixing of the materials, thereby affecting the quality of the product.

[0004] However, the mixing efficiency of the above-mentioned sizing agent mixing equipment is generally low, and a large amount of raw materials will adhere to the inner wall during use. After long-term use, it will affect the subsequent operation, and there is a lack of a scraping structure. UTILITY MODEL CONTENTS

[0005] The utility model aims at: in order to solve the mixing efficiency of the existing sizing agent mixing equipment is generally low, and a large amount of raw materials will adhere to the inner wall during use. After long-term use, it will affect the subsequent operation, and there is a lack of a scraping structure and other problems, provide a kind of mixed equipment for AKD neutral sizing agent production.

[0006] In order to achieve the above object, the technical scheme of the utility model is: a mixing equipment for AKD neutral sizing agent production, including annular mixing bin, a plurality of groups of support legs are fixedly arranged on the outer wall of the mixing bin, the top of the support leg is fixedly provided with a top plate, a plurality of groups of raw material bins are arranged at the top of the top plate, the bottom of the raw material bin is provided with a discharge pipe above the mixing bin, a discharge valve is installed in the middle of the discharge pipe, a plurality of groups of discharge ports are formed in the inner wall of the mixing bin, a discharge gear ring is rotatably arranged at the bottom of the mixing bin, a plurality of groups of shielding arc plates matched with the discharge port are fixedly arranged on the inner side of the discharge gear ring, a cleaning gear ring is rotatably installed at the top of the mixing bin, a plurality of groups of scrapers are fixedly arranged on the inner side of the cleaning gear ring, a stirring motor is installed in the middle of the top plate, a stirring frame is installed at the output end of the stirring motor, and a stirring plate is arranged at the tail end of the stirring frame.

[0007] As a further scheme of the utility model: the top of the raw material bin is provided with a top cover, and the middle of the top cover is provided with a feeding port.

[0008] As a further scheme of the utility model: a heating cavity is formed in the inside of the mixing bin, and a plurality of groups of heating pipes are arranged in the heating cavity.

[0009] As a further scheme of the utility model: the bottom of the mixing bin is provided with a track, and the top of the discharge gear ring is provided with a limiting groove matched with the track.

[0010] As a further scheme of the utility model: the bottom of the mixing bin is further provided with a hanging bracket, a discharge motor is installed on the hanging bracket, and a driving gear one engaged with the discharge gear ring is installed at the output end of the discharge motor.

[0011] As a further scheme of the utility model: a storage tank is further arranged directly below the mixing bin, and a control panel is further arranged on the outer wall of the mixing bin.

[0012] As a further scheme of the utility model: an installation boss is further arranged on the outer wall of the mixing bin, a cleaning motor is installed on the installation boss, and a driving gear two engaged with the cleaning gear ring is installed at the output end of the cleaning motor.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model discloses a material bin can according to the proportion of the various raw materials of predetermining is added to the mixing bin, when the clean motor drives the clean gear ring to rotate, the scraper can reciprocating scrape the inner wall of the mixing bin. When the need of discharging, through the discharging motor drive discharging gear ring rotation, when the arc baffle leaves the discharge port, under the action of the stirring frame and the stirring board, the mixed raw material falls into the storage tank, and the design improves the stability and the freedom of the AKD neutral sizing agent production and uses the mixing equipment. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model makes further explanation below combining with the drawing and the embodiment:

[0016] Figure 1 It is the utility model's perspective view;

[0017] Figure 2 It is the utility model's sectional view;

[0018] Figure 3 It is the sectional view of the mixing bin in the utility model.

[0019] Mark explanation:

[0020] 1, the mixing bin;2, support leg;3, top plate;4, stirring motor;5, stirring frame;6, material bin;7, top cover;8, feeding port;9, discharging pipe;10, discharging valve;11, discharge port;12, track;13, discharging gear ring;14, limit slot;15, stirring board;16, arc baffle;17, hanger;18, discharging motor;19, driving gear one;20, heating cavity;21, heating pipe;22, storage tank;23, control panel;24, clean gear ring;25, scraper;26, mounting boss;27, clean motor;28, driving gear two. DETAILED DESCRIPTION

[0021] The following will combine the drawing Figures 1 to 3 The technical scheme of the utility model is described clearly and completely, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making the creative labor belong to the scope of the utility model protection.

[0022] The utility model discloses a kind of mixing equipment for AKD neutral sizing agent production by improvement, as shown in Figures 1-3As shown, including annular mixing bin 1, the outer wall of mixing bin 1 is fixedly provided with a plurality of support legs 2, the top of support leg 2 is fixedly provided with a top plate 3; the top of top plate 3 is provided with a plurality of groups of raw material bin 6, the bottom of raw material bin 6 is provided with a discharge pipe 9 located above the mixing bin 1, the middle of discharge pipe 9 is provided with a discharge valve 10; a plurality of groups of discharge ports 11 are formed in the inner wall of mixing bin 1, a discharge gear ring 13 is rotatably arranged at the bottom of mixing bin 1, a plurality of groups of shielding arc plates 16 are fixedly arranged on the inner side of discharge gear ring 13 and matched with discharge ports 11; a cleaning gear ring 24 is rotatably arranged at the top of mixing bin 1, a plurality of groups of scrapers 25 are fixedly arranged on the inner side of cleaning gear ring 24; a stirring motor 4 is mounted in the middle of top plate 3, a stirring frame 5 is mounted at the output end of stirring motor 4, and a stirring plate 15 is arranged at the end of stirring frame 5.

[0023] The utility model discloses a raw material bin 6 can join various raw materials into mixing bin 1 according to the preset proportion, when cleaning motor 27 drives cleaning gear ring 24 to rotate, scraper 25 can reciprocate scrape the inner wall of mixing bin 1. When the need of discharging, through the rotation of discharge gear ring 13 driven by discharge motor 18, when shielding arc plate 16 leaves discharge port 11, under the action of stirring frame 5 and stirring plate 15, the mixed raw material falls into the storage tank 22, and the design improves the stability and freedom of the AKD neutral sizing agent production mixing equipment.

[0024] Refer to the accompanying drawings Figure 1 - the accompanying drawings Figure 2 The top of raw material bin 6 is provided with a top cover 7, and the middle of top cover 7 is provided with a feeding port 8.

[0025] In this embodiment: in order to add raw materials to raw material bin 6, a feeding port 8 structure is designed.

[0026] Refer to the accompanying drawings Figure 2 - the accompanying drawings Figure 3 A heating cavity 20 is formed in the inside of mixing bin 1, and a plurality of heating pipes 21 are arranged in the heating cavity 20.

[0027] In this embodiment: in order to keep the temperature suitable when mixing raw materials, a heating pipe 21 structure is designed.

[0028] Refer to the accompanying drawings Figure 2 - the accompanying drawings Figure 3 The bottom of mixing bin 1 is provided with a track 12, and the top of discharge gear ring 13 is provided with a limiting groove 14 matched therewith.

[0029] In this embodiment: in order to install discharge gear ring 13 and ensure its free rotation relative to the bottom of mixing bin 1, a track 12 and a limiting groove 14 structure matched with each other are designed.

[0030] Refer to the accompanying drawings Figure 2 - the accompanying drawingsFigure 3 The bottom of the mixing bin 1 is further provided with a hanger 17, a discharging motor 18 is installed on the hanger 17, and a driving gear I 19 engaged with the discharging gear ring 13 is installed on the output end of the discharging motor 18.

[0031] In the embodiment, the discharging motor 18 is designed to drive the rotation of the discharging gear ring 13.

[0032] Referring to the drawings Figure 1 - the drawings Figure 2 A storage tank 22 is further arranged right below the mixing bin 1, and a control panel 23 is further arranged on the outer wall of the mixing bin 1.

[0033] In the embodiment, the control panel 23 is designed to control the operation of the device.

[0034] Referring to the drawings Figure 1 A mounting boss 26 is further arranged on the outer wall of the mixing bin 1, a cleaning motor 27 is installed on the mounting boss 26, and a driving gear II 28 engaged with the cleaning gear ring 24 is installed on the output end of the cleaning motor 27.

[0035] In the embodiment, the cleaning motor 27 is designed to drive the rotation of the cleaning gear ring 24 to clean the inner wall thereof.

[0036] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A mixing apparatus for AKD neutral sizing agent production, characterized by: The application relates to a mixing bin, which comprises a ring-shaped mixing bin (1), a plurality of groups of supporting legs (2) are fixedly arranged on the outer wall of the mixing bin (1), a top plate (3) is fixedly arranged on the top of the supporting legs (2), a plurality of groups of raw material bins (6) are arranged at intervals on the top of the top plate (3), a discharging pipe (9) is arranged on the bottom of the raw material bin (6) and located above the mixing bin (1), a discharging valve (10) is mounted on the middle part of the discharging pipe (9), a plurality of groups of discharging ports (11) are formed in the inner wall of the mixing bin (1), a discharging gear ring (13) is rotatably arranged on the bottom of the mixing bin (1), a plurality of groups of shielding arc plates (16) matched with the discharging ports (11) are fixedly arranged on the inner side of the discharging gear ring (13), a cleaning gear ring (24) is rotatably mounted on the top of the mixing bin (1), a plurality of groups of scrapers (25) are fixedly arranged on the inner side of the cleaning gear ring (24), a stirring motor (4) is mounted on the middle part of the top plate (3), a stirring frame (5) is mounted on the output end of the stirring motor (4), and a stirring plate (15) is arranged at the tail end of the stirring frame (5).

2. The mixing apparatus for AKD neutral sizing agent production according to claim 1, characterized in that: A top cover (7) is mounted on the top of the raw material bin (6), and a feeding port (8) is arranged on the middle part of the top cover (7).

3. The mixing apparatus for AKD neutral sizing agent production according to claim 1, characterized in that: A heating cavity (20) is formed in the inside of the mixing bin (1), and a plurality of groups of heating pipes (21) are arranged in the heating cavity (20).

4. The mixing apparatus for AKD neutral sizing agent production according to claim 1, characterized in that: A rail (12) is arranged on the bottom of the mixing bin (1), and a limiting groove (14) matched with the discharging gear ring (13) is formed in the top of the discharging gear ring (13).

5. The mixing apparatus for AKD neutral sizing agent production according to claim 1, characterized in that: A hanger (17) is further arranged on the bottom of the mixing bin (1), a discharging motor (18) is mounted on the hanger (17), and a driving gear one (19) engaged with the discharging gear ring (13) is mounted on the output end of the discharging motor (18).

6. The mixing apparatus for AKD neutral sizing agent production according to any one of claims 1-5, characterized in that: A storage tank (22) is further arranged directly below the mixing bin (1), and a control panel (23) is further arranged on the outer wall of the mixing bin (1).

7. The mixing apparatus for AKD neutral sizing agent production according to claim 1, characterized in that: A mounting boss (26) is further arranged on the outer wall of the mixing bin (1), a cleaning motor (27) is mounted on the mounting boss (26), and a driving gear two (28) engaged with the cleaning gear ring (24) is mounted on the output end of the cleaning motor (27).

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