CN211463073U

CN211463073U - Reation kettle throws material device with preheat function

Info

Publication number: CN211463073U
Application number: CN201921849918.8U
Authority: CN
Inventors: 胡毅
Original assignee: Wujiang Tianli Polymer Co ltd
Current assignee: Wujiang Tianli Polymer Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-09-11
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses a reaction kettle feeding device with preheating function, which has the key points of the technical scheme that the device comprises a circular plate for covering a material injection window on a reaction kettle, a preheating chamber, a feeding pipe which runs through the circular plate and a discharging pipe which is communicated with the preheating chamber; a sealing shell is coated outside the preheating chamber, and a filling cavity for filling a heating medium is formed between the sealing shell and the preheating chamber; an electric heating device is arranged in the filling cavity; one end of the feed pipe is communicated with the preheating chamber, the other end of the feed pipe sequentially penetrates through the sealing shell and the circular plate, and a connector used for being communicated with a liquid outlet end pipeline of the injection pump is arranged at one end, away from the preheating chamber, of the feed pipe; a spray head is arranged at one end of the discharge pipe, which is far away from the preheating chamber. The utility model discloses can preheat the raw materials in reinforced, do benefit to reaction condition balance in the control reation kettle, preheat the material after simultaneously and disperse more easily, promote material diffusion rate, do benefit to the material misce bene.

Description

Reation kettle throws material device with preheat function

Technical Field

The utility model relates to a reation kettle technical field, more specifically say, it relates to a reation kettle throws material device with preheat function.

Background

The reaction kettle is a chemical machinery widely applied. Chinese patent with publication number CN203610131U discloses a reactor with uniform feeding, which comprises a tank body, a feeding pipe is arranged in the center of the tank body, the bottom of the feeding pipe is uniformly connected with 4-6 outlets, one end of each outlet connected with the feeding pipe is at an included angle of 60 degrees with the feeding pipe, the other end is vertically downward, the feeding pipe is connected on a rotator, a lifter is arranged above the rotator, the top of the feeding pipe is connected with a feeding pipe, and the feeding pipe is connected with a pump through a leather hose. This reation kettle drives the inlet pipe rotation through setting up the circulator, has increased and has thrown the even homogeneity of material.

However, when the low-temperature material is directly injected into the reaction kettle, the temperature difference between the low-temperature material and the original material in the reaction kettle is large, so that the local temperature is easily reduced, the reaction in the reaction kettle is influenced, and the generation of side reaction products is possibly increased. Therefore, when the temperature-sensitive reaction is carried out, the added materials need to be preheated so as to reduce the temperature difference with the materials in the reaction kettle. The conventional way is to heat the material that adds alone, then drops into reation kettle again, has increased the loaded down with trivial details degree of reinforced operation, is unfavorable for throwing the promotion of material efficiency.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a reation kettle throws material device with preheat function, it has the advantage that can preheat the raw materials.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a reaction kettle feeding device with a preheating function comprises a circular plate, a preheating chamber, a feeding pipe and a discharging pipe, wherein the circular plate is used for covering a material injection window on a reaction kettle, a plurality of fixing holes for bolts to penetrate through are formed in the periphery of the circular plate, the feeding pipe penetrates through the circular plate, and the discharging pipe is communicated with the preheating chamber; the preheating chamber is externally coated with a sealing shell, and a filling cavity for filling a heating medium is formed between the sealing shell and the preheating chamber; a liquid injection pipe with one end communicated with the filling cavity and the other end extending to the inertial discharge circular plate is arranged on the sealing shell; the liquid injection pipe is provided with a liquid injection port for injecting a heating medium, and the liquid injection port is provided with a plugging piece; an electric heating device is arranged in the filling cavity; one end of the feed pipe is communicated with the preheating chamber, the other end of the feed pipe sequentially penetrates through the sealing shell and the circular plate, and a connector used for being communicated with a liquid outlet end pipeline of the injection pump is arranged at one end, away from the preheating chamber, of the feed pipe; and a spray head is arranged at one end of the discharge pipe, which is far away from the preheating chamber.

By adopting the technical scheme, before feeding, the pipeline at the liquid outlet end of the material pump is connected with the connector at the tail end of the feeding pipe, and then the material can be injected. The materials enter the preheating chamber through the feeding pipe, the preheating chamber is coated on the sealed shell, and the heating medium in the filling cavity is heated under the action of the electric heating device to preheat the materials in the preheating chamber; and then, discharging the preheated material into the reaction kettle through a discharge pipe and a spray head. The setting of shower nozzle makes the material homodisperse, does benefit to the material that adds and original material flash mixed is even in the reation kettle. Because the preheating is carried out in the feeding process, the temperature difference between the added materials and the original materials in the reaction kettle is small, the problems of uneven reaction and the like caused by adding cold materials are favorably reduced, and the quality of processed products is improved. Moreover, adopt the feeding device of this application to throw the material, need not to preheat the material alone, throw the material operation more simply high-efficient.

Meanwhile, the molecular thermal motion or particle Brownian motion in the preheated material is intensified, and the preheated material is easier to diffuse after being added into the original material in the reaction kettle and can be rapidly and uniformly dispersed under the stirring action.

Further, the inlet pipe is equipped with a plurality of, just be equipped with check valve and stop valve along keeping away from the preheating chamber direction in proper order on the inlet pipe.

Through adopting above-mentioned technical scheme, can borrow by many inlet pipes and carry out throwing of multiple material simultaneously, the material of throwing is in preheating the indoor pre-mixing of elder generation, preheat the back, pours into the reation kettle into again. The problem of large temperature difference of materials is solved, and the added materials can be premixed, so that the materials are more easily and uniformly dispersed.

Further, the spray head is a rotary spray head.

By adopting the technical scheme, the added materials can be uniformly sprayed, the rapid diffusion of the materials is facilitated, and the materials are rapidly and uniformly mixed with the original materials in the reaction kettle.

Further, the preheating chamber is in a hollow ball shape.

Through adopting above-mentioned technical scheme, do benefit to preheating the interior material thermally equivalent, the preheating chamber withstand voltage's of ball-type structure ability is better simultaneously, uses safelyr.

Furthermore, the feeding pipe comprises a first pipe body communicated with the preheating chamber, an elbow joint arranged at one end of the first pipe body far away from the preheating chamber and a second pipe body connected to the elbow joint; the preheating chamber is characterized in that a limiting ring and a locking ring are coaxially sleeved on the first pipe body, the limiting ring is fixed on the first pipe body and located on the same side of the circular plate with the preheating chamber, and the locking ring is in threaded connection with the first pipe body and located on one side, away from the limiting ring, of the circular plate.

Through adopting above-mentioned technical scheme, can conveniently assemble through elbow fitting connection's first body and second body, it is convenient to dismantle the maintenance and change. When the first pipe body is installed, the first pipe body thread section penetrates through the circular plate to abut against the circular plate through the limiting ring, and then the first pipe body can be fixed by screwing the locking ring, so that the connection is firm and the sealing performance is good.

Furthermore, an embedding groove for the limiting ring to be clamped in is formed in the circular plate.

By adopting the technical scheme, the contact area between the limiting ring and the circular plate is increased, and the sealing performance is improved.

Furthermore, an elastic sealing ring is arranged on the end face, facing the circular plate, of the limiting ring.

Through adopting above-mentioned technical scheme, the leakproofness of first body installation has further been increased.

Further, the cross section of the locking ring is in a regular hexagon shape.

Through adopting above-mentioned technical scheme, can tighten the locking ring with the help of instruments such as spanner, increase the installation convenience.

Furthermore, the circular plate is coaxially provided with a clamping and embedding part with the outer diameter equal to the inner diameter of the material injection window on the reaction kettle, and the clamping and embedding part and the preheating chamber are positioned on the same side of the circular plate.

By adopting the technical scheme, the contact area of the circular plate and the material injection window on the reaction kettle is increased, and the connection sealing property between the adding device and the reaction kettle is improved.

To sum up, the utility model discloses following beneficial effect has:

1. the sealing shell is coated outside the preheating chamber to form a filling cavity for filling a heating medium, and the electric heating device is arranged in the filling cavity, so that materials flowing into the preheating chamber can be preheated during feeding, the temperature difference between the fed materials and the original materials in the reaction kettle is reduced, the temperature of a reaction system in the reaction kettle is kept constant, and the quality of the obtained product is improved;

2. through the cooperation of many inlet pipes, preheating chamber, discharging pipe and rotatory nozzle, can realize that multiple auxiliary material adds in step, mixes in advance, has increased auxiliary material and has added efficiency and reinforced homogeneity.

Drawings

FIG. 1 is a first schematic structural diagram of a feeding device of a reaction kettle with a preheating function in an embodiment;

FIG. 2 is a schematic structural diagram II of a feeding device of a reaction kettle with a preheating function in the embodiment;

FIG. 3 is a first cross-sectional view of a feeding device of a reaction kettle with a preheating function in the embodiment;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a second sectional view of the feeding device of the reactor with preheating function in the embodiment.

In the figure: 1. a circular plate; 11. a fixing hole; 12. mounting holes; 13. caulking grooves; 14. a snap-fit portion; 2. a first pipe body; 21. a limiting ring; 211. an elastic sealing ring; 22. locking a ring; 3. a pipe bending joint; 4. a check valve; 5. a stop valve; 6. a second tube body; 61. a connector; 7. a preheating chamber; 71. sealing the shell; 711. a liquid injection pipe; 712. a liquid filling port; 713. a blocking member; 72. filling the cavity; 73. an electric heating device; 8. a discharge pipe; 9. the spray head is rotated.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A reactor feeding device with a preheating function, referring to fig. 1, comprises a circular plate 1, wherein a plurality of fixing holes 11 are formed on the periphery of the circular plate 1. The fixed orifices 11 are distributed at equal intervals along the circumferential direction of the circular plate 1, and the auxiliary material adding device is arranged at the feeding window of the reaction kettle, so that the circular plate 1 is butted with a flange at the feeding window, and the fixed orifices 11 are fixed by penetrating bolts.

Referring to fig. 1 and 2, the circular plate 1 is further provided with a plurality of mounting holes 12 penetrating through the circular plate 1, and each mounting hole 12 is provided with a feeding pipe. In this embodiment, the feed pipe is provided with two altogether, can be used to throw the material simultaneously or alone. The inlet pipe is assembled by first body 2, elbow fitting 3 and second body 6 triplex, and wherein first body 2 wears to locate mounting hole 12. The second pipe body 6 is connected to the first pipe body 2 through the elbow joint 3. One end of the second pipe body 6, which is far away from the first pipe body 2, is provided with a connector 61, and the connector 61 can select a quick connector 61, so as to be conveniently and quickly butted with the port of the liquid outlet end pipeline of the charging pump. A stop valve 5 is also arranged on the second pipe body 6 to control the opening and closing of the feeding pipe; be equipped with check valve 4 on the first body 2, check valve 4 is located plectane 1 and deviates from 5 one sides of stop valve for the material can only unidirectional flow in the charge tube.

Referring to fig. 3 and 4, one side of the circular plate 1, which is far away from the stop valve 5, is coaxially provided with a clamping and embedding part 14, and the diameter of the clamping and embedding part 14 is equal to the inner diameter of a feeding window on the reaction kettle, so that when the circular plate 1 is butted with a flange, the clamping and embedding part 14 is clamped into the feeding window on the reaction kettle, and the sealing performance between the two parts is improved. The opening of the mounting hole 12 on the end face of the clamping part 14 is provided with an embedding groove 13, and the first pipe body 2 is coaxially provided with a limiting ring 21. When the first pipe body 2 is arranged in the mounting hole 12 in a penetrating mode, the limiting ring 21 is embedded into the caulking groove 13, and mounting stability and sealing performance of the first pipe body 2 are improved.

Referring to fig. 3 and 4, a locking ring 22 for screw connection is coaxially sleeved at one end of the first pipe body 2 connected to the elbow joint 3, and the cross section of the locking ring 22 is a regular hexagon. By tightening the locking ring 22, the circular plate 1 is clamped between the limiting ring 21 and the locking ring 22, so that the first pipe 2 is stably installed. In order to further increase the mounting stability and the sealing performance of the first pipe body 2, an elastic sealing ring 211 made of rubber is provided on the end surface of the limiting ring 21 facing the mounting hole 12.

Referring to fig. 3, one end of the first pipe 2 away from the elbow joint 3 is connected to a hollow spherical preheating chamber 7, and each first pipe 2 is connected to the same preheating chamber 7. The preheating chamber 7 is communicated with a discharge pipe 8 with the axial direction parallel to the axial direction of the first pipe body 2, and one end of the discharge pipe 8, which is far away from the preheating chamber 7, is provided with a rotary spray head 9. During feeding, the material is in the preheating chamber 7 via each inlet pipe converge, accomplishes preliminary mixing in preheating chamber 7, via discharging pipe 8 and rotatory nozzle 9 afterwards, evenly sprays in reation kettle, not only throws the material rapidly, and throws the material even, does benefit to the material of throwing to mix evenly fast and original material in the reation kettle.

Referring to fig. 3 and 4, in order to reduce the temperature difference between the added material and the original material in the reaction kettle, a spherical sealing shell 71 is coated outside the preheating chamber 7, a filling cavity 72 for filling a heating medium such as water or heating oil is formed between the sealing shell 71 and the preheating chamber 7, and the filling cavity 72 of the embodiment is filled with heat conduction oil. The first pipe body 2 and the discharge pipe 8 are both arranged through the sealing shell 71. The sealing shell 71 is communicated with a liquid injection pipe 711, one end of the liquid injection pipe 711 far away from the sealing shell 71 is arranged through the circular plate 1, and the tail end of the liquid injection pipe 711 is a closed end. An electric heating device 73 is arranged in the sealing shell 71 and is positioned in the filling cavity 72, and an electric heating wire is selected as the electric heating device 73 in the embodiment. The terminal of the electric heater 73 is provided at the closed end of the pouring spout 711. The outer circumferential side wall of the closed end of the liquid filling pipe 711 is also communicated with a liquid filling opening 712, a plugging piece 713 is arranged at the liquid filling opening 712, and the plugging piece 713 is a screw cap screwed at the liquid filling opening 712 in the embodiment. A heating medium can be added to the sealed shell 71 via the filling opening 712.

With reference to fig. 5, during the charging, the material is introduced via the respective feed lines into the preheating chamber 7. The electric heating device 73 heats the heating medium in the filling cavity 72 to be heated, and the heated heating medium preheats the materials in the preheating chamber 7, so that the temperature difference between the added materials and the original materials in the reaction kettle is reduced, and the reaction temperature balance in the reaction kettle is favorably maintained. Meanwhile, the preheating chamber 7 is small in size, so that the temperature of the internal materials is increased rapidly, and the feeding and preheating can be carried out continuously. The preheated material molecular thermal motion and particle Brownian motion are aggravated, and the material is more easily and uniformly mixed with the original material in the reaction kettle, so that the material mixing time is shortened, and the material mixing uniformity is increased.

The above-mentioned embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws and protection within the scope of the present invention.

Claims

1. The utility model provides a reation kettle throws material device with preheat function, is including being used for covering reation kettle and annotating plectane (1) of material window, plectane (1) periphery is opened has a plurality of confessions to wear to establish fixed orifices (11) of bolt, its characterized in that: the device also comprises a preheating chamber (7), a feeding pipe which penetrates through the circular plate (1) and a discharging pipe (8) which is communicated with the preheating chamber (7); the preheating chamber (7) is externally coated with a sealing shell (71), and a filling cavity (72) for filling a heating medium is formed between the sealing shell (71) and the preheating chamber (7); a liquid injection pipe (711) with one end communicated with the filling cavity (72) and the other end extending to the inertial outlet circular plate (1) is arranged on the sealing shell (71); a liquid filling port (712) for filling a heating medium is arranged on the liquid filling pipe (711), and a plugging piece (713) is arranged at the liquid filling port (712); an electric heating device (73) is arranged in the filling cavity (72);

one end of the feeding pipe is communicated with the preheating chamber (7), the other end of the feeding pipe sequentially penetrates through the sealing shell (71) and the circular plate (1), and a connector (61) communicated with a liquid outlet end pipeline of the injection pump is arranged at one end of the feeding pipe, which is far away from the preheating chamber (7); and a spray head is arranged at one end of the discharge pipe (8) far away from the preheating chamber (7).

2. The reactor feeding device with the preheating function as claimed in claim 1, wherein: the inlet pipe is equipped with a plurality of, just be equipped with check valve (4) and stop valve (5) along keeping away from preheating chamber (7) direction in proper order on the inlet pipe.

3. The reactor feeding device with the preheating function as claimed in claim 1, wherein: the spray head is a rotary spray head (9).

4. The reactor feeding device with the preheating function as claimed in claim 1, wherein: the preheating chamber (7) is in a hollow spherical shape.

5. The reactor feeding device with the preheating function as claimed in claim 1, wherein: the feeding pipe comprises a first pipe body (2) communicated with the preheating chamber (7), an elbow joint (3) arranged at one end of the first pipe body (2) far away from the preheating chamber (7) and a second pipe body (6) connected to the elbow joint (3); the preheating device is characterized in that a limiting ring (21) and a locking ring (22) are coaxially sleeved on the first pipe body (2), the limiting ring (21) is fixed on the first pipe body (2) and located on the same side of the circular plate (1) with the preheating chamber (7), and the locking ring (22) is in threaded connection with the first pipe body (2) and located on one side, away from the limiting ring (21), of the circular plate (1).

6. The reactor feeding device with the preheating function as recited in claim 5, wherein: the circular plate (1) is provided with an embedded groove (13) for the limiting ring (21) to be clamped in.

7. The reactor feeding device with the preheating function as recited in claim 6, wherein: the end face of the limiting ring (21) facing the circular plate (1) is provided with an elastic sealing ring (211).

8. The reactor feeding device with the preheating function as recited in claim 5, wherein: the cross section of the locking ring (22) is in a regular hexagon shape.

9. The reactor feeding device with the preheating function as claimed in claim 1, wherein: the circular plate (1) is coaxially provided with a clamping and embedding part (14) with the outer diameter equal to the inner diameter of a material injection window on the reaction kettle, and the clamping and embedding part (14) and the preheating chamber (7) are positioned on the same side of the circular plate (1).