PVB resin washing device

Abstract

The application discloses a PVB resin water washing device, which comprises a water washing kettle and a stirring mechanism, wherein the stirring mechanism is arranged in the water washing kettle, the stirring mechanism comprises a stirring motor and a stirring rod, the stirring motor is installed at the top of the water washing kettle and a rotating shaft of the stirring motor is connected with the stirring rod, the stirring rod is arranged in the water washing kettle and stirring blades are arranged on the stirring rod, the device further comprises high-speed water washing mechanisms and a fixing frame, a plurality of high-speed water washing mechanisms are arranged in the water washing kettle through the fixing frame, each high-speed water washing mechanism comprises a lifting conveying pipe, an air flow type flushing device, a spiral blade and a motor, the motor is connected with the air flow type flushing device and a power rod is connected with the spiral blade, and the spiral blade is arranged in the lifting conveying pipe, the PVB resin water washing device is novel in structure, convenient and practical, air and washing water are mixed through a mixing pipe to flush the materials, the materials are impacted by high-speed washing water, and the efficiency that mother liquor attached to the materials is washed away is greatly improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of PVB resin water washing, and particularly relates to a PVB resin water washing device. BACKGROUND

[0002] Polyvinyl butyral (PVB resin) is a white solid particle, and a coating film formed by the product has high transparency, elasticity, toughness, strong alkali resistance, oil resistance and low-temperature impact resistance and other superior characteristics. Due to excellent optical performance and good safety performance, the PVB resin is mainly applied to safety glass interlayer materials, and is also widely used in the fields of aviation, automobile, building, military industry, security, communication, ceramics, tobacco, electricity, light industry, textile and the like. When the PVB resin is washed by a water washing solution containing a methyl epoxy propane reagent, the transparency is higher than that of a sample washed directly by deionized water, indicating that the methyl epoxy propane added to the water washing solution has better water washing effect. The PVB resin also has better transparency.

[0003] At present, the PVB resin needs to be washed in preparation, so that the mother liquor on the raw material is washed away. The water washing step needs to be performed for 10 to 15 times. Under this process step, the water consumption is high. In order to reduce the water consumption, the existing water washing kettle is provided with a heating coil. The water washing kettle is heated to improve the mother liquor separation speed, so as to reduce the water washing water consumption. However, the flushing efficiency is difficult to meet the existing production demand. SUMMARY

[0004] The technical problem to be solved by the application is to provide a PVB resin water washing device which is novel in structure, convenient and practical, mixes gas and washing water through a mixing pipe to flush the material, so that the material is impacted by high-speed washing water, and the efficiency of washing off the mother liquor attached to the material is greatly improved.

[0005] A PVB resin water washing device comprises a water washing kettle and a stirring mechanism. The stirring mechanism is arranged in the water washing kettle. The stirring mechanism comprises a stirring motor and a stirring rod. The stirring motor is installed at the top of the water washing kettle and connected with the stirring rod through a rotating shaft. The stirring rod is arranged in the water washing kettle and provided with stirring blades. The device further comprises a high-speed water washing mechanism and a fixing frame. A plurality of high-speed water washing mechanisms are arranged in the water washing kettle through the fixing frame. The high-speed water washing mechanism comprises a lifting conveying pipe, an air flow flushing device, a spiral blade and a motor. The motor is connected with the air flow flushing device and connected with the spiral blade through a power rod. The spiral blade is arranged in the lifting conveying pipe. One end of the lifting conveying pipe is connected with the air flow flushing device and the other end is arranged near the bottom of the water washing kettle. An outlet is formed in the end of the lifting conveying pipe near the air flow flushing device.

[0006] Further, the airflow flushing device comprises a shell, a conical guide plate, a directional guide pipe, an outer inclined guide flow connecting plate ring, a steam pipe, a mixing pipe and a flushing pipe, one end of the lifting conveying pipe is connected with the shell through the directional guide pipe, the shell is connected with the directional guide pipe through the outer inclined guide flow connecting plate ring, the steam pipe, the mixing pipe and the flushing pipe are all sleeved on the shell, a plurality of guide flow holes communicating with the shell are formed in the mixing pipe, a plurality of partition plates are arranged in the mixing pipe, two guide pipes are connected to the mixing pipe between adjacent partition plates, and the two guide pipes are connected with the steam pipe and the flushing pipe respectively, and the conical guide plate is connected to the lifting conveying pipe and arranged at one end of the guide flow hole.

[0007] Further, a plurality of spiral leaves are connected to the outer inclined guide flow connecting plate ring and arranged between adjacent guide flow holes.

[0008] Further, a gas guide plate is arranged between adjacent spiral leaves, and one end of the gas guide plate is connected to the shell above the guide flow hole.

[0009] Further, a gate valve is arranged on the guide pipe.

[0010] Further, a flushing pipe is arranged in the shell, and the flushing pipe is connected with the flushing pipe.

[0011] Further, a heater is connected to the water inlet of the flushing pipe.

[0012] Further, a nozzle is arranged on the guide flow hole.

[0013] Further, the water washing kettle comprises a kettle body and a conical material collecting hopper, a plurality of conical material collecting hoppers are connected to the top of the kettle body, a guide box is connected to the conical material collecting hopper, and a discharging valve is connected to the guide box.

[0014] Advantages:

[0015] (1) The PVB resin water washing device has novel structure, is convenient and practical, the gas is mixed with washing water through the mixing pipe to flush the material, the material is impacted by high-speed washing water, and the efficiency that the mother liquor attached to the material is washed away is greatly improved.

[0016] (2) The PVB resin water washing device is provided with a plurality of spiral leaves, the material is separated and introduced into the directional guide pipe, the material is dispersed and conveyed and uniformly contacted with washing water, the flushing effect is improved, and the flushing efficiency is improved.

[0017] (3) The PVB resin water washing device of the present application, by means of the air guide plate, pre-drawing the flushing gas flow and washing water, avoiding the flushing gas flow and washing water directly contacting with the material, leading to the flushing direction disorder and the flushing effect decline, achieving the purpose of improving the flushing effect, at the same time, after the directional flushing gas flow and washing water flushing the same direction material, effectively ensuring the consistency of the flushing direction, improving the flushing efficiency, at the same time, the material flushing out of the flushing area speed is improved, avoiding the material blocking.

[0018] (4) The PVB resin water washing device of the present application, by means of the gate valve switching or changing the amount of gas and washing water to control the flow rate of washing water to change, avoiding the flushing pressure too large to damage the material, at the same time, cooperating with the flushing pipe to guide the flushing water, avoiding the material blocking in the shell. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structure schematic view of the water washing kettle;

[0020] Figure 2 is a structure schematic view of the high-speed water washing mechanism;

[0021] Figure 3 is a sectional view of the air flow type flushing device;

[0022] Figure 4 is Figure 3 is an enlarged view of A in the middle;

[0023] 1-water washing kettle, 11-kettle body, 12-conical material collecting hopper, 13- material guide box, 14-discharge valve, 2-stirring mechanism, 21-stirring motor, 22-stirring rod, 3-high-speed water washing mechanism, 31-lifting conveying pipe, 32-air flow type flushing device, 33-discharge port, 34- shell, 35-conical material guide plate, 36-directional material guide pipe, 37-outer inclined guide flow connecting plate ring, 38-spiral blade, 39-steam pipe, 310-mixing pipe, 311-flushing pipe, 312-air guide plate, 313-flow guide hole, 4-fixing frame. DETAILED DESCRIPTION

[0024] The embodiments of the present application will be further described below in conjunction with the drawings.

[0025] Example 1

[0026] As Figure 1The utility model discloses a PVB resin water washing device, including water washing kettle 1 and stirring mechanism 2, stirring mechanism 2 is arranged in water washing kettle 1, and stirring mechanism 2 includes stirring motor 21 and stirring rod 22, and stirring motor 21 is installed at the top of water washing kettle 1 and the rotary shaft is connected with stirring rod 22, and stirring rod 22 is arranged in water washing kettle 1 and is provided with stirring blade on it;Including high -speed water washing mechanism 3 and fixed frame 4, a plurality of high -speed water washing mechanism 3 is arranged in water washing kettle 1 through fixed frame 4;High -speed water washing mechanism 3 includes lifting conveying pipe 31, airflow type flushing device 32, spiral blade and motor, the motor is connected on airflow type flushing device 32 and the power rod is connected with spiral leaf, and spiral leaf is arranged in lifting conveying pipe 31, one end of lifting conveying pipe 31 is connected with airflow type flushing device 32 and the other end is arranged at the bottom of water washing kettle 1 close, and the end of lifting conveying pipe 31 close airflow type flushing device 32 is provided with discharge port 33 on;Airflow type flushing device 32 includes shell 34, conical guide plate 35, directional guide tube 36, outer inclined guide flow connecting plate ring 37, steam pipe 39, mixing pipe 310 and flushing pipe 311, one end of lifting conveying pipe 31 passes through directional guide tube 36 and is connected with shell 34, shell 34 is connected with directional guide tube 36 through outer inclined guide flow connecting plate ring 37, steam pipe 39, mixing pipe 310 and flushing pipe 311 are all set on shell 34, a plurality of guide flow holes 313 that are communicated shell 34 are formed on mixing pipe 310, a plurality of partition plates are arranged in mixing pipe 310, and two guide pipes are connected on mixing pipe 310 between adjacent partition plates, and the two guide pipes are connected with steam pipe 39 and flushing pipe 311 respectively, conical guide plate 35 is connected on lifting conveying pipe 31 and is arranged at one end on the side of guide flow hole 313;Including spiral blade 38, a plurality of spiral blade 38 are connected on outer inclined guide flow connecting plate ring 37 and are arranged between adjacent guide flow holes 313 respectively;Gas guide plate 312 is arranged between adjacent spiral blade 38, and one end of gas guide plate 312 is connected on shell 34 above guide flow hole 313;Gate valve is arranged on guide pipe;Material flushing pipe is arranged in shell 34, and material flushing pipe is connected with flushing pipe 311;Nozzle is arranged on guide flow hole 313;The water inlet of flushing pipe 311 is connected with heater;Water washing kettle 1 includes kettle body 11 and conical material collecting hopper 12, the top of kettle body 11 is provided with feed inlet, a plurality of conical material collecting hoppers 12 are connected on the top of kettle body 11, guide box 13 is connected on conical material collecting hopper 12, and discharge valve 14 is connected on guide box 13.

[0027] The circulating pipe is connected to the kettle body 11, and the circulating pipe is connected to the water inlet of the flushing pipe 311; the washing water in the kettle body 11 is guided into the water inlet by a high-pressure pump to form a circulation, and the circulating pipe is connected to the water inlet pipe to guide new washing water; the material is guided into the kettle body 11 through the material inlet, and the washing water is guided into the kettle body 11 through the water inlet pipe; the stirring rod 22 is rotated by the stirring motor 21, and the stirring blade is rotated and the material is stirred and washed; when the high-speed water washing mechanism 3 works, the spiral blade is rotated by the motor, so that the material in the conical collecting hopper 12 is lifted by the lifting conveying pipe 31 through the spiral blade, one end of the lifting conveying pipe 31 is arranged in the conical collecting hopper 12, the material in the kettle body 11 is gradually concentrated to the conical collecting hopper 12, and is lifted by the spiral blade and is guided out of the discharge port 33 and into the shell 34, the material enters between the adjacent spiral blades 38 through the gap between the conical guide plate 35 and the shell 34, and flows into the kettle body 11 through the directional guide pipe 36 to form a conveying cycle; when the material enters between the adjacent spiral blades 38, the washing water and the high-pressure gas are guided into the mixing pipe 310 by the steam pipe 39 and the flushing pipe 311 respectively, the mixed washing water and high-pressure gas are mixed and enter the shell 34 through the flow guide hole 313, enter between the gas guide plate 312 and the outward inclined flow guide connecting plate ring 37, then enter between the outward inclined flow guide connecting plate ring 37 and the lifting conveying pipe 31 and mix with the guided material and flush the material, and then enter between the directional guide pipe 36 and the lifting conveying pipe 31 and flow into the kettle body 11 to form a flushing cycle; the washing water before entering the flushing pipe 311 needs to be heated and guided to improve the efficiency of flushing and the speed of separating the mother liquor from the material; the flow rate of the gas or the washing water in the flow guide pipe is controlled by the gate valve to avoid damage to the material caused by excessive impact; the washing water guided out of the flow guide hole 313 is dispersed as much as possible by the nozzle; the material in the shell 34 is impacted by the flushing pipe to make the material flow more and avoid the occurrence of a blockage.

[0028] The specific embodiments of the application are described in detail above, but they are only examples, and the application is not limited to the above described specific embodiments. Any equivalent modifications and substitutions made by those skilled in the art to the application are also within the scope of the application. Therefore, equivalent transformations and modifications made without departing from the spirit and scope of the application are also covered by the scope of the application.

Claims

1. A PVB resin washing device, comprising a washing tank (1) and a stirring mechanism (2), wherein the stirring mechanism (2) is disposed within the washing tank (1), the stirring mechanism (2) comprising a stirring motor (21) and a stirring rod (22), the stirring motor (21) being mounted on the top of the washing tank (1) and its rotating shaft being connected to the stirring rod (22), the stirring rod (22) being disposed within the washing tank (1) and having stirring blades disposed thereon; characterized in that: The system includes a high-speed washing mechanism (3) and a fixing frame (4). Several of the high-speed washing mechanisms (3) are installed inside the washing tank (1) via the fixing frame (4). The high-speed washing mechanism (3) includes a lifting conveying pipe (31), an airflow rinsing device (32), a spiral blade, and a motor. The motor is connected to the airflow rinsing device (32), and the power rod is connected to the spiral blade. The spiral blade is installed inside the lifting conveying pipe (31). One end of the lifting conveying pipe (31) is connected to the airflow rinsing device (32), and the other end is located near the bottom of the washing tank (1). A discharge port (33) is opened on the end of the lifting conveying pipe (31) near the airflow rinsing device (32). The airflow rinsing device (32) includes a shell (34), a conical guide plate (35), a directional guide pipe (36), and an outwardly inclined guide connecting plate ring (37). The assembly includes a steam pipe (39), a mixing pipe (310), and a flushing pipe (311). One end of the lifting and conveying pipe (31) passes through the directional feed pipe (36) and is connected to the outer shell (34). The outer shell (34) is connected to the directional feed pipe (36) through an outwardly inclined guide plate ring (37). The steam pipe (39), the mixing pipe (310), and the flushing pipe (311) are all fitted on the outer shell (34). The mixing pipe (310) has several guide holes (313) that connect to the outer shell (34). The mixing pipe (310) has several partition plates inside. Two guide pipes are connected to the mixing pipe (310) between adjacent partition plates. The two guide pipes are connected to the steam pipe (39) and the flushing pipe (311) respectively. The conical guide plate (35) is connected to the lifting and conveying pipe (31) and one end is set on one side of the guide hole (313). A PVB resin washing device further includes a spiral blade (38), and several spiral blades (38) are connected to an outwardly inclined guide plate ring (37) and respectively disposed between adjacent guide holes (313); An air guide plate (312) is provided between adjacent spiral blades (38), and one end of the air guide plate (312) is connected to the outer shell (34) above the flow guide hole (313); A gate valve is installed on the flow guide pipe; The outer casing (34) is provided with a flushing pipe, which is connected to the rinsing pipe (311); A nozzle is provided on the flow guide hole (313).

2. The PVB resin washing device as described in claim 1, characterized in that: A heater is connected to the inlet of the flushing pipe (311).

3. The PVB resin washing device as described in claim 1, characterized in that: The washing tank (1) includes a tank body (11) and a conical hopper (12). The tank body (11) has a feed inlet at the top. Several conical hoppers (12) are connected to the top of the tank body (11). A guide box (13) is connected to the conical hopper (12), and a discharge valve (14) is connected to the guide box (13).

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