Device for continuously producing amine antistatic agent through atomization mixing
By designing the main spray assembly, auxiliary spray assembly, and mixing atomization assembly, the problems of small scale and insufficient mixing in existing equipment have been solved, achieving efficient mixing of fatty amines and ethylene oxide and improving production efficiency.
Patent Information
- Application Number
- CN202423240792.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-27
AI Technical Summary
Existing alkoxypropyl dihydroxyethylamine antistatic agent production facilities are small-scale and employ batch reactions, resulting in low reaction efficiency and insufficient mixing.
The reaction liquid, after mixing fatty amines and catalyst, and ethylene oxide are respectively passed through a mixing atomization component using a main spray component and an auxiliary spray component. The staggered discharge pipe and conical spiral tube design are used to achieve full mixing, and the reaction liquid is atomized by an impact column.
The efficiency of the mixing reaction between fatty amines and ethylene oxide has been improved, enabling efficient mixing for the continuous production of amine antistatic agents.
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Figure CN223628644U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to atomization mixing technical field, concretely is a kind of atomization mixing continuous production amine antistatic agent's device. BACKGROUND
[0002] Alkyl oxypropyl dihydroxyethyl amine is important amine antistatic agent applied in polyolefin production, can prevent polymer sticking reactor wall and system equipment inner wall in polypropylene industrial production, prevent the blockage of pipeline system, especially heavy to loop type polymerization reaction device. Meanwhile, adding the product can prevent the blockage of flash tank bottom discharge, and play an important role in stabilizing process, safe production and eliminating static electricity. Amine antistatic agent is widely used in petrochemical industry, agricultural chemicals, medicine and surfactant industry, and has important application development value.
[0003] The production device of prior art alkyl oxypropyl dihydroxyethyl amine antistatic agent is small in scale, mainly adopts intermittent reaction, and the reactor mainly has two forms, one is kettle type reactor with coil or jacket heat exchange with stirring, and the other is loop reactor with external circulation heating. The capacity of the kettle type intermittent device is small, and the reaction cannot be fully mixed, which affects the reaction efficiency. In order to improve the production efficiency of alkyl oxypropyl dihydroxyethyl amine antistatic agent, it is of important scientific research and application value to provide a device for atomizing and mixing ethylene oxide and fatty amine to continuously produce amine antistatic agent. UTILITY MODEL CONTENT
[0004] The utility model aims at: in order to solve the problem in the above background, provide a kind of atomization mixing continuous production amine antistatic agent's device.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of atomization mixing continuous production amine antistatic agent's device, including main spray subassembly, auxiliary spray subassembly, mixed atomization subassembly, reaction liquid of fatty amine and catalyst mixed liquid and ethylene oxide are mixed in the inside of mixed atomization subassembly by main spray subassembly, auxiliary spray subassembly, the main spray subassembly includes first inlet, first feed bin, shunt hole and staggered discharge pipe;The first inlet is fixed in the top of first feed bin and is communicated with the inner cavity of first feed bin, the shunt hole is opened in the bottom of first feed bin inner cavity and penetrates to the bottom of first feed bin outer wall, and the staggered discharge pipe is fixed in the bottom of first feed bin and is communicated with the shunt hole one by one;
[0006] The auxiliary spraying assembly comprises a connecting cylinder, a second feeding bin, a second inlet, a conical spiral pipe and a side spraying hole; the connecting cylinder is threadedly connected to the outside of the first feeding bin, the second feeding bin is fixed to the inside of the connecting cylinder and is distributed at the bottom of the first feeding bin, the second inlet is fixed to one side of the outer wall of the connecting cylinder, penetrates through the connecting cylinder and is in communication with the inner cavity of the second feeding bin, the conical spiral pipe is fixed to the bottom of the second feeding bin and is in communication with the inner cavity of the second feeding bin, and the conical spiral pipe is wrapped outside the staggered discharging pipe; the fat amine, which is shunted by the staggered discharging pipe, is fully contacted and mixed with the reaction liquid after the fat amine is mixed with the catalyst and the ethylene oxide, which flows along the track of the conical spiral pipe and is shunted and sprayed out through the side spraying hole.
[0007] As a further scheme of the utility model: the mixed atomization assembly comprises a conical mixed nozzle, a concave frame, an impact column and a locking nut; the conical mixed nozzle is threadedly connected to the bottom of the outside of the connecting cylinder and wraps the area where the conical spiral pipe and the staggered discharging pipe are located, so as to provide a space for mixing the reaction liquid after the fat amine is mixed with the catalyst and the ethylene oxide; the concave frame is fixed to the outside of the conical mixed nozzle and extends to below the conical mixed nozzle, the impact column is fixed to the middle of the horizontal part at the bottom of the conical mixed nozzle through the locking nut, the impact column is located directly below the nozzle of the conical mixed nozzle, and the reaction liquid sprayed out through the nozzle of the conical mixed nozzle impacts on the impact column to realize atomization of the reaction liquid.
[0008] As a further scheme of the utility model: the shunting holes are provided in multiple groups, the multiple shunting holes in each group are annularly distributed, the diameters of the multiple groups of shunting holes are sequentially increased and the multiple groups of shunting holes are concentrically distributed, and the lengths of the staggered discharging pipes corresponding to the multiple groups of shunting holes are sequentially increased from outside to inside.
[0009] As a further scheme of the utility model: the spiral diameter of the conical spiral pipe is sequentially decreased from top to bottom, and multiple side spraying holes are uniformly arranged along the track of the conical spiral pipe; the bottom end surface of the conical spiral pipe is directed to the position directly below the middle staggered discharging pipe, and the bottom end surface of the conical spiral pipe is provided with a tail end spraying hole.
[0010] As a further scheme of the utility model: the bottom of the second feeding bin is provided with multiple conical spiral pipes, the multiple conical spiral pipes are uniformly distributed along the circumference, and the multiple conical spiral pipes form a conical structure.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] The vertical diversion and high-low staggered feeding of the reaction liquid after the mixing of the fatty amine and the catalyst can be realized by setting the main spraying assembly, the spiral trajectory feeding of the ethylene oxide can be realized by setting the auxiliary spraying assembly, so that the ethylene oxide and the reaction liquid after the mixing of the fatty amine and the catalyst can be fully contacted and mixed, and the mixing reaction efficiency of the fatty amine and the ethylene oxide can be effectively improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 It is a structure schematic view of the utility model;
[0014] Fig. 2 It is a split schematic view of the utility model;
[0015] Fig. 3 It is an internal structure schematic view of the mixed atomization assembly of the utility model;
[0016] Fig. 4 It is a split structure schematic view of the auxiliary spraying assembly and the mixed atomization assembly of the utility model;
[0017] Fig. 5 It is a split structure schematic view of the main spraying assembly, the auxiliary spraying assembly and the mixed atomization assembly of the utility model.
[0018] In the drawing: 1, main spraying assembly; 101, first inlet; 102, first feeding bin; 103, diversion hole; 104, staggered discharge pipe; 2, auxiliary spraying assembly; 201, connecting cylinder; 202, second feeding bin; 203, second inlet; 204, conical spiral pipe; 205, side face spraying hole; 206, tail end spraying hole; 3, mixed atomization assembly; 301, conical mixed spraying head; 302, concave frame; 303, impact column; 304, locking nut. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0020] Please refer to Figs. 1-5The utility model discloses an embodiment of a kind of atomization mixing continuous production amine antistatic agent's device, including main spray component 1, auxiliary spray component 2, mixed atomization component 3, fatty amine and ethylene oxide respectively through main spray component 1, auxiliary spray component 2 enter inside mixed atomization component 3 and mix, main spray component 1 includes first inlet 101, first feed bin 102, shunt hole 103 and staggered discharge pipe 104;First inlet 101 is fixed on the top of first feed bin 102 and with first feed bin 102 inner cavity conduction, shunt hole 103 is opened in the bottom of first feed bin 102 inner cavity and penetrates to the bottom of first feed bin 102 outer wall, staggered discharge pipe 104 is fixed on the bottom of first feed bin 102 and with shunt hole 103 one-to-one conduction.
[0021] Auxiliary spray component 2 includes connecting barrel 201, second feed bin 202, second inlet 203, conical spiral pipe 204 and side face spray hole 205;Connecting barrel 201 is screwed on the outside of first feed bin 102, second feed bin 202 is fixed on the inside of connecting barrel 201 and is distributed on the bottom of first feed bin 102, second inlet 203 is fixed on the side of connecting barrel 201 outer wall and penetrates connecting barrel 201 and with second feed bin 202 inner cavity conduction, conical spiral pipe 204 is fixed on the bottom of second feed bin 202 and with second feed bin 202 inner cavity conduction, conical spiral pipe 204 is covered on the outside of staggered discharge pipe 104.
[0022] Side face spray hole 205 is opened on the side of conical spiral pipe 204 close to staggered discharge pipe 104 and with conical spiral pipe 204 inner cavity conduction.
[0023] Ethylene oxide that flows along the track of conical spiral pipe 204 and is shunted and sprayed through side face spray hole 205 is fully contacted and mixed reaction with the reaction liquid after fatty amine and catalyst are mixed by shunting through staggered discharge pipe 104.
[0024] Mixed atomization component 3 includes conical mixing nozzle 301, concave frame 302, impact column 303, locking nut 304;Conical mixing nozzle 301 is screwed on the outside bottom of connecting barrel 201 and forms package to the area where conical spiral pipe 204, staggered discharge pipe 104 are located, for providing space for the mixed reaction of the reaction liquid after fatty amine and catalyst are mixed and ethylene oxide.
[0025] Concave frame 302 is fixed on the outside of conical mixing nozzle 301 and extends to below conical mixing nozzle 301, impact column 303 is fixed on the middle of the horizontal position of the bottom of conical mixing nozzle 301 through locking nut 304, impact column 303 is located directly below the spout of conical mixing nozzle 301, and the reaction liquid that is sprayed through the spout of conical mixing nozzle 301 is impacted on impact column 303 to realize that reaction liquid is scattered atomization.
[0026] The plurality of shunt holes 103 are arranged in multiple groups, and the plurality of shunt holes 103 in each group are arranged in a ring shape, and the diameters of the plurality of groups of shunt holes 103 are sequentially increased and arranged in a concentric manner.
[0027] The lengths of the plurality of groups of shunt holes 103 corresponding to the staggered discharge pipes 104 are sequentially increased from outside to inside.
[0028] The spiral diameters of the tapered spiral pipes 204 are sequentially decreased from top to bottom, and the plurality of side spray holes 205 are uniformly arranged along the trajectories of the tapered spiral pipes 204.
[0029] In the embodiment, it should be noted that when the device is in use, the first inlet 101 is connected and communicated with a reaction liquid conveying pipeline, and the second inlet 203 is connected and communicated with an ethylene oxide conveying pipeline; after the fatty amine and the catalyst are mixed, the mixture is filled into the first feeding bin 102 through the first inlet 101 to form a reaction liquid, and then flows into the plurality of staggered discharge pipes 104 through the shunt holes 103, and finally enters the tapered mixing spray head 301 through the bottom ports of the plurality of staggered discharge pipes 104, so that the reaction liquid after the fatty amine and the catalyst are mixed enters the tapered mixing spray head 301 and is shunted into multiple channels, and the heights of the reaction liquid entering the tapered mixing spray head 301 are different.
[0030] The ethylene oxide enters the second feeding bin 202 through the second inlet 203, and fills the second feeding bin 202, and then flows into the tapered spiral pipe 204; in this process, the ethylene oxide is sprayed out through the side spray holes 205, so that the structure of the plurality of side spray holes 205 arranged in a spiral manner can make the ethylene oxide fully contact and mix with the shunted reaction liquid. The mixed reaction liquid is sprayed out through the bottom spray ports of the tapered mixing spray head 301 and impacts on the impact column 303 to achieve dispersion and atomization. Through the cooperation of the above-mentioned multiple parts, the fatty amine and the ethylene oxide can be efficiently and fully mixed.
[0031] Please refer to Figs. 1-4 , the bottom end face of the tapered spiral pipe 204 faces directly below the middle staggered discharge pipe 104, and the bottom end face of the tapered spiral pipe 204 is provided with a tail end spray hole 206; the bottom of the second feeding bin 202 is provided with a plurality of tapered spiral pipes 204, and the plurality of tapered spiral pipes 204 are uniformly distributed along the circumference, and the plurality of tapered spiral pipes 204 form a tapered structure.
[0032] In the embodiment, through the structure of the tail end spray hole 206, the tail end spray hole 206 has a smaller size than the inner cavity size of the tapered spiral pipe 204, so that the ethylene oxide in the tapered spiral pipe 204 has sufficient pressure, thereby making the liquid flow sprayed out of the side spray hole 205 and the tail end spray hole 206 have a high flow speed.
[0033] The structure of the plurality of conical spiral tubes 204 can realize the full-range spraying of the ethylene oxide ring, so that the ethylene oxide is fully contacted with the reaction liquid, thereby improving the mixing effect of the ethylene oxide and the fatty amine.
[0034] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A device for continuously producing amine antistatic agent by atomizing and mixing, comprising a main spray assembly (1), an auxiliary spray assembly (2), and a mixing and atomizing assembly (3), characterized in that, The main spray assembly (1) comprises a first inlet (101), a first feed bin (102), a shunt hole (103) and a staggered discharge pipe (104); the first inlet (101) is fixed on the top of the first feed bin (102) and is in communication with the inner cavity of the first feed bin (102); the shunt hole (103) is arranged on the bottom of the inner cavity of the first feed bin (102) and penetrates through the bottom of the outer wall of the first feed bin (102); and the staggered discharge pipe (104) is fixed on the bottom of the first feed bin (102) and is in communication with the shunt hole (103). The auxiliary spray assembly (2) comprises a connecting cylinder (201), a second feed bin (202), a second inlet (203), a conical spiral pipe (204) and a side spray hole (205); the connecting cylinder (201) is threadedly connected to the outer side of the first feed bin (102); the second feed bin (202) is fixed to the inner side of the connecting cylinder (201) and is distributed on the bottom of the first feed bin (102); the second inlet (203) is fixed to one side of the outer wall of the connecting cylinder (201), penetrates through the connecting cylinder (201) and is in communication with the inner cavity of the second feed bin (202); the conical spiral pipe (204) is fixed to the bottom of the second feed bin (202) and is in communication with the inner cavity of the second feed bin (202); and the conical spiral pipe (204) is wrapped on the outer side of the staggered discharge pipe (104). The side spray hole (205) is arranged on the side of the conical spiral pipe (204) close to the staggered discharge pipe (104) and is in communication with the inner cavity of the conical spiral pipe (204).
2. The apparatus for continuously producing an amine antistatic agent by atomizing and mixing according to claim 1, wherein The mixed atomization assembly (3) comprises a conical mixed spray head (301), a concave frame (302), an impact column (303) and a locking nut (304); the conical mixed spray head (301) is threadedly connected to the outer bottom of the connecting cylinder (201) and wraps the areas where the conical spiral pipe (204) and the staggered discharge pipe (104) are located; The concave frame (302) is fixed to the outer side of the conical mixed spray head (301) and extends below the conical mixed spray head (301); the impact column (303) is fixed to the middle of the horizontal part at the bottom of the conical mixed spray head (301) through the locking nut (304); and the impact column (303) is located directly below the nozzle of the conical mixed spray head (301).
3. The apparatus for continuously producing an amine antistatic agent by atomizing and mixing according to claim 1, wherein The shunt hole (103) is provided with multiple shunt holes (103) and is divided into multiple groups; the multiple shunt holes (103) in each group of shunt holes (103) are arranged in a ring shape; the diameters of the multiple groups of shunt holes (103) are sequentially increased and arranged in a concentric manner; and the lengths of the staggered discharge pipes (104) corresponding to the multiple groups of shunt holes (103) are sequentially increased from the outside to the inside.
4. The apparatus for continuously producing an amine antistatic agent by atomizing and mixing according to claim 1, wherein The spiral diameter of the conical spiral pipe (204) is sequentially decreased from top to bottom, and the side spray hole (205) is uniformly provided with multiple side spray holes (205) along the track of the conical spiral pipe (204); the bottom end surface of the conical spiral pipe (204) faces directly below the middle staggered discharge pipe (104); and the bottom end surface of the conical spiral pipe (204) is provided with a tail end spray hole (206).
5. The apparatus for continuously producing an amine antistatic agent by atomizing and mixing according to claim 1, wherein The bottom of the second feeding bin (202) is provided with a plurality of conical spiral pipes (204), which are uniformly distributed along the circumference, and the plurality of conical spiral pipes (204) form a conical structure.