CN217940174U

CN217940174U - 2-hydroxybiphenyl acidification device for preparing DOPO compound

Info

Publication number: CN217940174U
Application number: CN202221937981.9U
Authority: CN
Inventors: 张金志; 孙志永; 孙德玉; 袁佐岁
Original assignee: SHOUGUANG WEIDONG CHEMICAL CO Ltd
Current assignee: SHOUGUANG WEIDONG CHEMICAL CO Ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-12-02
Anticipated expiration: 2032-07-26

Abstract

The utility model discloses a DOPO compound preparation is with 2-hydroxybiphenyl acidizing device relates to DOPO compound preparation technical field, including acidizing reation kettle, set up at the first feed inlet of acidizing reation kettle top one side and set up at the inside rabbling mechanism of acidizing reation kettle, the rabbling mechanism includes the motor of fixed mounting at acidizing reation kettle top, motor output shaft fixedly connected with bull stick, the bull stick rotates and sets up inside acidizing reation kettle, just the stirring rake has been cup jointed on the bull stick surface, the through-hole has still been seted up to one side that acidizing reation kettle top is relative with first feed inlet, install the auxiliary material in the through-hole and add the part. The utility model discloses in, add the part through the auxiliary material that sets up acidizing reation kettle, rabbling mechanism and cooperation and use, can be under the condition of not opening reation kettle cover, to adding auxiliary material in the reation kettle, guarantee the stability of reation kettle internal reaction, simultaneously can quantitative intermittent type nature add the material.

Description

2-hydroxybiphenyl acidification device for preparing DOPO compound

Technical Field

The utility model relates to a DOPO compound preparation technical field especially relates to a DOPO compound preparation is with 2-hydroxybiphenyl acidizing device.

Background

DOPO is a novel flame retardant intermediate. The structure of the DOPO compound contains P-H bonds, the DOPO bond, the epoxy bond and the carbonyl bond have high activity, a plurality of derivatives can be generated by reaction, the preparation process of the DOPO compound is generally carried out in a reaction kettle, and 2-hydroxybiphenyl is needed to be used for acidification treatment, but when 2-hydroxybiphenyl is added, the reaction kettle cover is needed to be opened and then materials are added into the reaction kettle, so that the operation is troublesome, and the reaction effect is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the above problems, a 2-hydroxybiphenyl acidification device for preparing a DOPO compound is proposed.

In order to realize the purpose, the utility model adopts the following technical scheme:

a2-hydroxybiphenyl acidification device for preparing DOPO compounds comprises an acidification reaction kettle, a first feed inlet arranged on one side of the top of the acidification reaction kettle and a stirring mechanism arranged inside the acidification reaction kettle, wherein the stirring mechanism comprises a motor fixedly arranged on the top of the acidification reaction kettle, an output shaft of the motor is fixedly connected with a rotating rod, the rotating rod is rotatably arranged inside the acidification reaction kettle, the surface of the rotating rod is sleeved with a stirring paddle, a through hole is also formed in one side of the top of the acidification reaction kettle, which is opposite to the first feed inlet, and an auxiliary material adding component is arranged in the through hole;

the auxiliary material adding component comprises a buffer bin, a storage bin, a rotating shaft and a material blocking component, the storage bin and the buffer bin are integrally formed, the buffer bin is of a cylindrical structure, mounting plates are symmetrically and fixedly welded on the outer side wall of the buffer bin, the mounting plates are fixedly mounted at the top of the acidification reaction kettle through fastening bolts, the storage bin is of a horn mouth structure, the rotating shaft is rotatably arranged inside the buffer bin, one end of the rotating shaft is fixedly connected with an output shaft of an external servo motor, a connecting rod is sleeved on the surface of the rotating shaft, and a top block is mounted at one end, away from the rotating shaft, of the connecting rod through a bolt;

the putty part includes that the horizontal pole and the slip cap of fixed mounting at the inside lateral wall of storage silo establish the slide bar at horizontal pole intermediate position, the slide bar top closes the limiting plate through the bolt soon, the shutoff board is installed to slide bar bottom bolt, the slide bar surface still overlaps and is equipped with the spring, the slide bar bottom surpasss the shutoff board and has seted up the arc chamfer.

As a further description of the above technical solution:

the kicking block and the plugging plate are both arc-shaped structures, and chamfers are arranged on two sides of one end, far away from the connecting rod, of the kicking block.

As a further description of the above technical solution:

the plugging plate is made of hard rubber.

As a further description of the above technical solution:

and the outer surface of the upper end of the sliding rod is provided with a thread matched with the limiting plate.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model discloses in, add the part through the auxiliary material that sets up acidizing reation kettle, rabbling mechanism and cooperation and use, can be under the condition of not opening reation kettle cover, to adding auxiliary material in the reation kettle, guarantee the stability of reation kettle internal reaction, simultaneously can quantitative intermittent type nature add the material.

Drawings

Fig. 1 shows a schematic view of the overall structure provided according to the present invention;

fig. 2 shows according to the utility model provides an enlarged structure schematic diagram of supplementary material addition part of fig. 1.

Illustration of the drawings: 1. acidifying the reaction kettle; 2. a motor; 3. a rotating rod; 4. a stirring paddle; 5. a first feed port; 6. an auxiliary material addition member; 61. a buffer bin; 62. a storage bin; 63. a rotating shaft; 64. a connecting rod; 65. a top block; 66. a slide bar; 67. a spring; 68. a plugging plate; 69. and (7) mounting the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a2-hydroxybiphenyl acidification device for preparing DOPO compounds comprises an acidification reaction kettle 1, a first feed inlet 5 arranged on one side of the top of the acidification reaction kettle 1 and a stirring mechanism arranged in the acidification reaction kettle 1, wherein the stirring mechanism comprises a motor 2 fixedly arranged on the top of the acidification reaction kettle 1, an output shaft of the motor 2 is fixedly connected with a rotating rod 3, the rotating rod 3 is rotatably arranged in the acidification reaction kettle 1, a stirring paddle 4 is sleeved on the surface of the rotating rod 3, a through hole is further formed in one side of the top of the acidification reaction kettle 1 opposite to the first feed inlet 5, and an auxiliary material adding part 6 is arranged in the through hole;

the auxiliary material adding component 6 comprises a buffer bin 61, a storage bin 62, a rotating shaft 63 and a material blocking component, the storage bin 62 and the buffer bin 61 are integrally formed, the bottom of the buffer bin 61 is communicated with the inside of the acidification reaction kettle 1, discharging is convenient, the buffer bin 61 is of a cylindrical structure, a mounting plate 69 is symmetrically and fixedly welded on the outer side wall of the buffer bin 61, the mounting plate 69 is fixedly mounted at the top of the acidification reaction kettle 1 through fastening bolts, the storage bin 62 is of a horn mouth structure, a sealing cover is further arranged at the top of the storage bin 62 to prevent material from escaping, the rotating shaft 63 is rotatably arranged inside the buffer bin 61, a connecting rod 64 is sleeved on the surface of the rotating shaft 63, and a top block 65 is mounted at one end, far away from the rotating shaft 63, of the connecting rod 64 through a bolt;

the putty part includes that fixed mounting establishes at the slide bar 66 of horizontal pole intermediate position with the slip cap of the inside lateral wall of storage silo 62, slide bar 66 top closes the limiting plate soon through the bolt, shutoff board 68 is installed to slide bar 66 bottom bolt, slide bar 66 surface still overlaps and is equipped with spring 67, spring 67 is used for reseing slide bar 66, slide bar 66 bottom surpasss shutoff board 68 and has seted up the arc chamfer, the arc chamfer so that the kicking block 65 is laminated, the convenience is jacked up by kicking block 65.

Further, the top block 65 and the plugging plate 68 are both arc-shaped, and chamfers are arranged on two sides of one end, far away from the connecting rod 64, of the top block 65.

Further, the plugging plate 68 is specifically made of hard rubber material, and can be better attached to the inner wall of the storage bin 62, so that the plugging effect is better.

Furthermore, the outer surface of the upper end of the sliding rod 66 is provided with a thread which is matched with the limiting plate for use, so that the height of the limiting plate can be conveniently adjusted, the height of the sliding rod 66 can be controlled, the jacked height of the sliding rod 66 can be controlled, and the blanking speed can be controlled.

The working principle is as follows: during the use, add the raw materials to acidizing reation kettle 1 inside back through first feed inlet 5, start motor 2, motor 2 further drives bull stick 3 and rotates, bull stick 3 further drives stirring rake 4 and stirs the reaction to the material of acidizing reation kettle 1 inside, when the auxiliary material needs to be added, external servo motor starts this moment, external servo motor drives pivot 63 and rotates afterwards, pivot 63 and then drives kicking block 65 through connecting rod 64 and rotate, after kicking block 65 and slide bar 66 butt, kicking block 65 begins the jacking slide bar 66, and then slide bar 66 drives closure plate 68 and rises in step, so that the auxiliary material of storage silo 62 inside drops to buffer bin 61 inside, and finally inside leading-in acidizing reation kettle 1, after kicking block 65 and slide bar 66 break away from the butt state, slide bar 66 resets under the effect of spring 67 this moment, drive closure plate 68 again and carry out the shutoff to storage silo 62 inside, the unloading is suspended, need not to open the reation kettle lid and can accomplish the feeding operation, in order to guarantee the stability of reaction, improve reaction efficiency.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The 2-hydroxybiphenyl acidification device for preparing the DOPO compound comprises an acidification reaction kettle (1), a first feed inlet (5) and a stirring mechanism, wherein the first feed inlet is formed in one side of the top of the acidification reaction kettle (1), the stirring mechanism is arranged in the acidification reaction kettle (1), the stirring mechanism comprises a motor (2) which is fixedly arranged at the top of the acidification reaction kettle (1), an output shaft of the motor (2) is fixedly connected with a rotating rod (3), the rotating rod (3) is rotatably arranged in the acidification reaction kettle (1), and a stirring paddle (4) is sleeved on the surface of the rotating rod (3), and the device is characterized in that a through hole is formed in one side, opposite to the first feed inlet (5), of the top of the acidification reaction kettle (1) and is internally provided with an auxiliary material adding part (6);

the auxiliary material adding component (6) comprises a buffer bin (61), a storage bin (62), a rotating shaft (63) and a material blocking component, the storage bin (62) and the buffer bin (61) are designed in an integrated forming mode, the buffer bin (61) is of a cylindrical structure, a mounting plate (69) is symmetrically and fixedly welded on the outer side wall of the buffer bin (61), the mounting plate (69) is fixedly mounted at the top of the acidification reaction kettle (1) through fastening bolts, the storage bin (62) is of a horn mouth structure, the rotating shaft (63) is rotatably arranged inside the buffer bin (61), one end of the rotating shaft (63) is fixedly connected with an external servo motor output shaft, a connecting rod (64) is sleeved on the surface of the rotating shaft (63), and a top block (65) is mounted on one end, far away from the rotating shaft (63), of the connecting rod (64);

the putty part establishes slide bar (66) at the horizontal pole intermediate position including the horizontal pole and the slip cover of fixed mounting at storage silo (62) inside lateral wall, slide bar (66) top closes the limiting plate soon through the bolt, closure plate (68) are installed to slide bar (66) bottom bolt, slide bar (66) surface still overlaps and is equipped with spring (67), slide bar (66) bottom surpasss closure plate (68) and has seted up the arc chamfer.

2. The acidification device of 2-hydroxybiphenyl for preparing DOPO compounds according to claim 1, wherein the top block (65) and the plugging plate (68) are both arc-shaped, and both sides of one end of the top block (65) far away from the connecting rod (64) are chamfered.

3. The acidification device of 2-hydroxybiphenyl for the preparation of DOPO compounds according to claim 1, wherein the blocking plate (68) is made of a hard rubber material.

4. The acidification device of 2-hydroxybiphenyl for preparing DOPO compound according to claim 1, wherein the outer surface of the upper end of the sliding rod (66) is provided with a thread for cooperating with a limiting plate.