Rapid preparation device for granular epoxy emulsifier

Abstract

The utility model relates to a quick preparation device for a granular epoxy emulsifier, which comprises a reaction kettle, a cooling tank and a crusher which are connected in series up and down, a feed pipe is arranged on the top end surface of the reaction kettle, a discharge pipe connected with a feed port at the upper end of the cooling tank is arranged at the bottom of the reaction kettle, a stirring shaft is rotatably mounted in the reaction kettle, and a main paddle is mounted on the stirring shaft; a plurality of longitudinal gas pipes capable of introducing cooling gas are uniformly distributed in the cooling tank in the circumferential direction; the pulverizer comprises a feeding hopper, the cooled emulsifier in the cooling tank enters the pulverizer through the feeding hopper, a fixed cutter and a movable cutter which crush the emulsifier into particles are installed in the pulverizer, a screen frame is arranged below the discharging end of the pulverizer, and a storage hopper is arranged below the screen frame. According to the utility model, the reaction kettle, the cooling tank and the crusher are arranged into an integrated serial structure, so that compared with a single emulsifier production process, the cooling and granulating time of the emulsifier is greatly shortened, the production efficiency is improved, and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to high polymer auxiliary agent technical field especially a granular epoxy emulsifier fast preparation device. BACKGROUND

[0002] At present, adopting epoxy emulsion to replace part of oily epoxy resin and applying in the field of paint and adhesive is an important trend to reduce VOC emission of paint and adhesive industry. The emulsifier used for preparing epoxy emulsion is mainly polyethylene glycol PEG6000, PEG8000 and other normal temperature wax, which is reacted with epoxy resin with suitable molecular weight, and the obtained product is also normal temperature wax with melting point generally at 50~60 DEG C. If the melt product after reaction is packaged with a bucket, it is in bulk after cooling, and needs to be poured out after heating during use, which is high in energy consumption and material loss. If the reaction product is made into granular, the use efficiency will be greatly improved. In the general preparation process, the emulsifier is prepared by reaction kettle, special screw type melting granulating equipment and cooling steel belt, which is high in investment and large in floor area.

[0003] Because the emulsifier needs to be put into emulsification kettle for melting and dispersion during use, the particle shape of the emulsifier is not strictly required, and an ordinary pulverizer can be used for granulation, so it is necessary to provide a production device capable of rapidly preparing granular epoxy emulsifier. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problems that: in order to overcome the deficiency in the prior art, the utility model provides a granular epoxy emulsifier fast preparation device to solve the problems of high preparation cost and low efficiency of emulsifier in the prior art.

[0005] The utility model solves the technical problems and adopts the technical scheme that: a granular epoxy emulsifier fast preparation device, including the reaction kettle, cooling tank and pulverizer that set up from top to bottom successively, the top end surface of reaction kettle is equipped with the feed pipe, and the bottom of reaction kettle is equipped with the discharge pipe that is connected with the feed port of cooling tank upper end, the rotation is installed with stirring shaft in reaction kettle, and the main paddle is installed on stirring shaft and is distributed along the axis of stirring shaft; The cooling tank is uniformly distributed with a plurality of longitudinal gas pipes that can pass into cooling gas, and the cooling branch pipe is connected from top to bottom at longitudinal gas pipe, and the gas pipe is fixedly connected on the bottom side of cooling tank; The pulverizer includes a feeding hopper, the emulsifier cooled in the cooling tank passes through the feeding hopper and enters the shell of the pulverizer, the fixed knife is installed on the inner wall of the shell of the pulverizer, the movable knife that is matched with the fixed knife is rotatably installed in the center of the shell of the pulverizer and is used to pulverize the emulsifier into granular, the screen rack is arranged below the discharge end of the pulverizer, and the storage hopper is arranged below the screen rack.

[0006] Further, the main paddle is perpendicular to the stirring shaft axis, and the outer end of the main paddle is fixed with a comb-shaped paddle to better improve the mixing effect; the bottom end of the stirring shaft is installed with an anchor stirring blade to meet the production requirements of emulsifier with larger viscosity, and can form a wall scraping effect to make the stirring of the oval space at the bottom of the reaction kettle more uniform.

[0007] The discharge pipe is installed with a discharge valve to facilitate the adjustment of the discharging speed; the discharge pipe is connected with the feed inlet of the cooling tank through a flange and is installed with a punched screen plate, the melted emulsifier is divided by the punched screen plate, and the diameter of the melted emulsifier flowing down is reduced, which is more conducive to subsequent cooling.

[0008] Eight longitudinal air pipes are uniformly distributed on the inner wall of the cooling tank, and the upper end of the longitudinal air pipe extends out of the upper end surface of the cooling tank to connect with cooling gas.

[0009] Specifically, four horizontal cooling branch pipes are connected to each longitudinal air pipe at intervals, and air holes are formed in the pipe wall of the cooling branch pipe.

[0010] A filter bag for recycling fine particles is sleeved on the air outlet pipe, and the recycled fine particles can be fed again when melted.

[0011] In order to maintain the environmental hygiene of the workplace, a shielding cover is fixed on the outer wall of the bottom of the reaction kettle, and the cooling tank and the pulverizer are located in the shielding cover.

[0012] The beneficial effects of the present application are: compared with a single emulsifier production process, the reaction kettle, the cooling tank and the pulverizer are arranged in an integrated series structure, which greatly shortens the cooling and granulation time of the emulsifier, improves the production efficiency and reduces the production cost. BRIEF DESCRIPTION OF DRAWINGS

[0013] The present application will be further described below in combination with the drawings and embodiments.

[0014] Figure 1 is a structural schematic view of the present application.

[0015] Figure 2 is a structural schematic view of the pulverizer of the present application.

[0016] In the figure: 1. reaction kettle, 2. cooling tank, 3. pulverizer, 3-1. feeding hopper, 3-2. fixed knife, 3-3. moving knife, 3-4. motor, 3-5. triangular belt, 4. feeding pipe, 5. discharge pipe, 6. stirring shaft, 7. main paddle, 8. longitudinal air pipe, 9. cooling branch pipe, 10. air outlet pipe, 11. screen frame, 12. storage hopper, 13. comb-shaped paddle, 14. anchor stirring blade, 15. discharge valve, 16. punched screen plate, 17. shielding cover, 18. motor bracket, 19. stirring motor, 20. support rod. DETAILED DESCRIPTION

[0017] The utility model will be explained further in detail now in combination with the drawings. These drawings are all simplified schematic diagrams, and only schematically show the basic structure of the utility model, so they only show the components related to the utility model.

[0018] As Figure 1 The device for rapidly preparing a granular epoxy emulsifier comprises, from top to bottom, a reaction kettle 1, a cooling tank 2 and a pulverizer 3 arranged in series.

[0019] The reaction kettle 1 comprises a kettle body, a kettle cover is installed on the upper end surface of the kettle body, a stirring shaft 6 is rotatably installed in the kettle body, a motor bracket 18 is fixed on the kettle cover, a stirring motor 19 is installed on the motor bracket 18 in an inverted manner, and the upper end of the stirring shaft 6 is in transmission connection with the output shaft of the stirring motor 19.

[0020] A feeding pipe 4 for adding raw materials into the kettle body is fixed on the kettle cover end surface of the reaction kettle 1, a discharging pipe 5 is fixedly connected to the bottom center of the reaction kettle 1, and four rows of main paddles 7 are installed on the stirring shaft 6 at intervals along the axis of the stirring shaft 6; the main paddles 7 are perpendicular to the axis of the stirring shaft 6, and a comb-shaped paddle 13 is fixedly connected to the outer end of each main paddle 7 to increase the contact area with the raw materials and make the stirring reaction of the emulsifier more uniform; an anchor-shaped stirring blade 14 is arranged at the bottom of the stirring shaft 6, the lower end of the anchor-shaped stirring blade 14 is fixedly connected to the bottom end of the stirring shaft 6, and the upper end of the anchor-shaped stirring blade 14 is fixedly connected to the stirring shaft 6 through a support rod 20 to meet the torque requirement of the stirring shaft 6 for stirring raw materials with a larger viscosity and to realize the wall scraping function and improve the stirring uniformity of the oval space at the bottom of the reaction kettle 1.

[0021] The upper end of the cooling tank 2 is provided with a feeding port connected with the outlet end of the discharging pipe 5 of the reaction kettle 1, a discharging valve 15 is installed on the discharging pipe 5 to control the discharging speed of the cooling tank 2, a punched sieve plate 16 is installed through a flange at the position where the discharging pipe 5 is connected with the feeding port of the cooling tank 2, and the molten emulsifier formed by the reaction kettle 1 can naturally form a cylindrical long strip-shaped emulsifier after passing through the punched sieve plate 16, which is convenient for subsequent cooling and solidification.

[0022] Eight longitudinal air pipes 8 are evenly distributed in the circumferential direction inside the cooling tank 2, the upper ends of the longitudinal air pipes 8 extend out of the upper end surface of the cooling tank 2 to be connected with cooling gas, four horizontal cooling branch pipes 9 are connected at intervals above and below each longitudinal air pipe 8, air holes are formed on the pipe wall of the cooling branch pipes 9 towards the four directions of up, down, left and right, an air outlet pipe 10 is fixedly connected to the bottom side of the cooling tank 2, cooling gas is introduced into the longitudinal air pipes 8 by an air compressor, and then distributed into each cooling branch pipe 9 and discharged through the air holes to fill the inside of the cooling tank 2, the cylindrical long strip-shaped emulsifier entering the cooling tank 2 is cooled and treated, and finally the cooling gas is discharged out of the cooling tank 2 through the air outlet pipe 10.

[0023] The air outlet pipe 10 can also serve as a recycling port. A filter bag with a specification of 120# is sleeved on the air outlet pipe 10 to recycle fine particles for re-melting and re-feeding.

[0024] As shown in Figure 2 The pulverizer 3 includes a shell. A feeding hopper 3-1 is fixed to the upper end surface of the shell. The long strip-shaped emulsifier cooled in the cooling tank 2 enters the shell of the pulverizer 3 through the feeding hopper 3-1. A fixed blade 3-2 is installed on the inner wall of the shell of the pulverizer 3. A movable blade 3-3 is rotatably installed at the center of the shell of the pulverizer 3. The movable blade 3-3 is driven to rotate by a motor 3-4 through a V-belt 3-5. The rotation of the movable blade 3-3 cooperates with the fixed blade 3-2 to pulverize the long strip-shaped emulsifier into granular emulsifier. A screen frame 11 is arranged below the discharge end of the pulverizer 3. A storage hopper 12 is arranged below the screen frame 11.

[0025] A shielding cover 17 is fixed to the outer wall of the bottom of the reaction kettle 1. The cooling tank 2 and the pulverizer 3 are arranged in the shielding cover 17.

[0026] The raw materials for preparing the epoxy emulsifier are added into the reaction kettle 1 through the feeding pipe 4. The stirring motor 19 is started to drive the stirring shaft 6 to rotate. The raw materials are mixed by the combined action of the main paddle 7, the comb-shaped paddle 13 and the anchor-shaped stirring blade 14. At the same time, the reaction kettle 1 is heated to the corresponding reaction temperature and the reaction time is set.

[0027] After the raw material mixing reaction is completed, the reaction kettle 1 is cooled to an appropriate temperature so that the generated emulsifier still remains in a molten state. The stirring motor 19 is turned off to stop stirring. A filter bag is sleeved on the air outlet pipe 10. The air compressor is started to store air in the air storage tank. After the air storage is completed, the valve of the air storage tank is opened and the size of the valve is adjusted to adjust the speed of the air flow. The air storage tank is connected to the upper end of the longitudinal air pipe 8 through a pipeline to introduce cooling gas into the cooling tank 2.

[0028] The discharge valve 15 is opened and the size of the discharge valve 15 is adjusted to control the discharge speed of the reaction kettle 1. The molten emulsifier generated in the reaction kettle 1 forms a cylindrical long strip-shaped emulsifier after passing through the punched screen plate 16 and falls into the cooling tank 2. The long strip-shaped emulsifier is rapidly solidified under the cooling action of the cooling gas.

[0029] The solidified long strip-shaped emulsifier enters the shell of the pulverizer 3 through the feeding hopper 3-1. The movable blade 3-3 rotates to cooperate with the fixed blade 3-2 to pulverize the long strip-shaped emulsifier into granular emulsifier. The granular emulsifier falls into the screen frame 11. The emulsifier particles with appropriate size fall into the storage hopper 12 for temporary storage and waiting for packaging.

[0030] The fine emulsifier particles are carried by the air into the filter bag on the air outlet pipe 10, filtered and then put back into the reaction kettle 1 for melting.

[0031] The above ideal embodiments according to the utility model are used as inspiration, and through the above description, relevant staff can make various changes and modifications without deviating from the technical idea of the utility model. The technical scope of the utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A granular epoxy emulsifier rapid preparation device, comprising a reaction kettle (1), a cooling tank (2) and a pulverizer (3) arranged in sequence from top to bottom, characterized in that: The reactor (1) is provided with a feed pipe (4) at the top surface and a discharge pipe (5) at the bottom of the reactor (1) connected to the feed inlet at the top of the cooling tank (2). A stirring shaft (6) is rotatably installed inside the reactor (1), and main blades (7) are installed on the stirring shaft (6) at intervals along the axis of the stirring shaft (6). The cooling tank (2) has several longitudinal air pipes (8) that can be used to introduce cooling gas evenly distributed in the inner circumference. Cooling branch pipes (9) are connected from top to bottom on the longitudinal air pipes (8). An air outlet pipe (10) is fixed to the bottom side of the cooling tank (2). The crusher (3) includes a feeding hopper (3-1). The emulsifier cooled in the cooling tank (2) enters the shell of the crusher (3) through the feeding hopper (3-1). A fixed blade (3-2) is installed on the inner wall of the crusher (3). A moving blade (3-3) is installed at the center of the crusher (3) to crush the emulsifier into granules in conjunction with the fixed blade (3-2). A screen frame (11) is provided below the feeding end of the crusher (3). A storage hopper (12) is provided below the screen frame (11).

2. The apparatus for rapid preparation of particulate epoxy emulsifier according to claim 1, characterized in that: The main blade (7) is perpendicular to the axis of the stirring shaft (6), and a comb-shaped blade (13) is fixed to the outer end of the main blade (7). An anchor-type stirring blade (14) is installed at the bottom end of the stirring shaft (6).

3. The apparatus for rapid preparation of particulate epoxy emulsifier according to claim 1, characterized in that: A discharge valve (15) is installed on the discharge pipe (5), and a perforated screen plate (16) is installed through a flange at the connection between the discharge pipe (5) and the inlet of the cooling tank (2).

4. The apparatus for rapid preparation of particulate epoxy emulsifier according to claim 1, characterized in that: The cooling tank (2) has eight longitudinal air pipes (8) evenly distributed in the inner circumference. The upper end of the longitudinal air pipes (8) extends out of the upper surface of the cooling tank (2) to connect to the cooling gas.

5. The apparatus for rapid preparation of particulate epoxy emulsifier according to claim 4, characterized in that: Each longitudinal air pipe (8) is connected to four horizontal cooling branch pipes (9) at intervals, and air holes are opened on the pipe wall of the cooling branch pipes (9).

6. The apparatus for rapid preparation of granular epoxy emulsifier as described in claim 1, characterized in that: The air outlet pipe (10) is fitted with a filter bag for collecting fine particulate matter.

7. The apparatus for rapid preparation of granular epoxy emulsifier as described in claim 1, characterized in that: A shielding cover (17) is fixed on the bottom outer wall of the reactor (1), and the cooling tank (2) and the crusher (3) are located inside the shielding cover (17).

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