CN213376638U

CN213376638U - Continuous esterification reactor

Info

Publication number: CN213376638U
Application number: CN202022159757.9U
Authority: CN
Inventors: 李建平; 任华; 夏伟民
Original assignee: Wuxi Heng'an Pressure Container Manufacturing Co ltd
Current assignee: Wuxi Heng'an Pressure Container Manufacturing Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-06-08
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a reactor of esterifying in succession, including agitator tank, retort, first discharge gate and second discharge gate, the inside rotation of agitator tank is connected with first stirring roller, and just first stirring roller top runs through the agitator tank and is connected with the first motor of fixed mounting at the agitator tank top, the feed inlet has been seted up to the upper left side of agitator tank, and agitator tank bottom and row material pipe left end intercommunication. This can esterify reactor in succession, be provided with the spiral pipe, shunt tubes and interior baffle, the material in the spiral pipe is by the even heating of resistance heater, make the material accomplish primary reaction, this material flows into the interior baffle through the shunt tubes afterwards, the secondary reaction is accomplished to this material of waste heat heating that resistance heater gived off, the material of accomplishing the reaction afterwards gets into the interior baffle outside through the opening, accomplish esterification reaction at the flow in-process of material, need not to be interrupted processing and come the unloading, can esterify the reaction to the material in succession, the machining efficiency of this esterification reactor has been improved.

Description

Continuous esterification reactor

Technical Field

The utility model relates to an esterification reactor technical field specifically is a reactor can esterify in succession.

Background

The aromatic ethyl acetate produced in the esterification reaction is a raw material for producing dyes and medicines, and therefore, an esterification reactor is required for mass production. Although the existing esterification reactor has the advantages of improving the dispersion degree of materials, having good stirring effect, avoiding the occurrence of layering phenomenon and the like, when materials are thrown into the reactor once, the gap between a heating device and the materials is large, and the materials are difficult to be uniformly heated only by virtue of the stirring device, so that the esterification reactor cannot effectively complete the esterification reaction of all the materials, and the existing esterification reactor is usually in discontinuous feeding mode, a large amount of feeding and discharging time is wasted by virtue of the feeding mode, and the materials which are completely reacted and the materials which are not reacted are mixed together, so that the reaction efficiency of the esterification reactor is further reduced, the production effect is not high, and aiming at the problems, the existing equipment needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can esterify reactor in succession, once only throw into the material too much with the present esterify reactor who proposes in solving above-mentioned background art, the clearance between heating device and the material is big, only rely on agitating unit to be difficult to make all materials evenly be heated, lead to this esterify reactor can't effectual all materials of messenger to accomplish esterification reaction, and present esterify reactor is the discontinuous feed usually, further reduced this esterify reactor's reaction efficiency, lead to the not high problem of production effect.

In order to achieve the above object, the utility model provides a following technical scheme: a reactor capable of continuous esterification, which comprises a stirring tank, a reaction tank, a first discharge port and a second discharge port,

the stirring tank is internally and rotatably connected with a first stirring roller, the top of the first stirring roller penetrates through the stirring tank and is connected with a first motor fixedly arranged at the top of the stirring tank, the upper left side of the stirring tank is provided with a feeding hole, and the bottom of the stirring tank is communicated with the left end of the discharge pipe;

the reaction tank is arranged on the right side of the stirring tank, an inner partition plate is fixed on the inner side of the reaction tank, a spiral pipe is fixed on the inner side of the inner partition plate, the left lower side of the spiral pipe is communicated with a discharge pipe penetrating through the reaction tank and the inner partition plate, the top of the spiral pipe is fixedly communicated with a flow dividing pipe, a second stirring roller is arranged between the spiral pipe and the inner partition plate, and the second stirring roller penetrates through the reaction tank and is connected with a second motor fixedly arranged on the top of the reaction tank;

the reactor comprises a first discharge port, wherein the first discharge port is arranged at the bottom of an inner partition plate, a second discharge port is arranged at the bottom of a reaction tank, and a resistance heater is fixedly arranged in the middle of the reaction tank.

Preferably, a pressure pump is arranged in the middle of the discharge pipe.

Preferably, an opening is formed at the joint of the inner partition plate and the reaction tank.

Preferably, the central line of the spiral pipe and the central line of the resistance heater are positioned on the same vertical line, and the outer end of the resistance heater is attached to the inner side of the spiral pipe.

Preferably, the shunt tubes are arranged in a plurality, the shunt tubes are symmetrically arranged by taking the center line of the reaction tank as the center, and the lowest ends of the shunt tubes are positioned on the lower side of the inner partition plate.

Preferably, the second stirring rollers are provided in plurality, and the plurality of second stirring rollers are symmetrically arranged with the center line of the reaction tank as the center.

Compared with the prior art, the beneficial effects of the utility model are that: the continuous esterification reactor can be used for continuously carrying out esterification reaction,

(1) the material stirring device is provided with a stirring tank, a spiral pipe and a reaction tank, wherein the material stirred in the stirring tank is pumped by a pressure pump to enter the spiral pipe, and the spiral pipe is attached to the outer side of the resistance heater, so that the material in the spiral pipe absorbs heat emitted by the resistance heater for esterification reaction at the first time, then flows into the inner side of the inner partition plate through a flow dividing pipe for secondary reaction, and then gradually rises to flow into the outer side of the inner partition plate through an opening, so that the effect of limiting the flowing direction of the material is achieved, the material is subjected to uniform heating reaction, and the;

(2) be provided with the spiral pipe, shunt tubes and interior baffle, the material in the spiral pipe is by the even heating of resistance heater, make the material accomplish primary reaction, this material flows into the interior baffle through the shunt tubes afterwards, this material of waste heat heating that resistance heater gived off accomplishes the secondary reaction, the material of accomplishing the reaction afterwards gets into the interior baffle outside through the opening, accomplish esterification reaction at the flow in-process of material, need not to be interrupted processing and come unloading, can carry out esterification reaction to the material in succession, the machining efficiency of this esterification reactor has been improved.

Drawings

FIG. 1 is a schematic view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

fig. 3 is a schematic view of the top-view cross-sectional structure of the present invention.

In the figure: 1. stirring tank, 2, first stirring roller, 3, first motor, 4, feed inlet, 5, discharge pipe, 6, retort, 7, inner baffle, 8, spiral pipe, 9, shunt tubes, 10, second stirring roller, 11, second motor, 12, first discharge gate, 13, second discharge gate, 14, resistance heater, 15, force (forcing) pump, 16, opening.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a reactor capable of continuous esterification is disclosed, as shown in figures 1 and 2, a first stirring roller 2 is rotatably connected inside a stirring tank 1, the top of the first stirring roller 2 penetrates through the stirring tank 1 and is connected with a first motor 3 fixedly installed at the top of the stirring tank 1, a feed inlet 4 is arranged at the upper left side of the stirring tank 1, the bottom of the stirring tank 1 is communicated with the left end of a discharge pipe 5, a pressure pump 15 is installed in the middle of the discharge pipe 5, the pressure pump 15 can conveniently pump materials in the stirring tank 1 to enter the spiral pipe 8 through the discharge pipe 5, a reaction tank 6 is arranged at the right side of the stirring tank 1, an inner partition plate 7 is fixed at the inner side of the reaction tank 6, an opening 16 is arranged at the joint of the inner partition plate 7 and the reaction tank 6, materials overflowing from the inner side of the inner partition plate 7 can enter the outer side of the inner partition plate 7 through the opening 16, the spiral pipe 8 is fixed at the inner, and 14 outer ends of the resistance heaters are attached to the inner side of the spiral pipe 8, so that the resistance heaters 14 can heat the material on the inner side of the spiral pipe 8 uniformly.

As shown in fig. 1 and 3, the left lower side of the spiral tube 8 is communicated with a discharge pipe 5 penetrating through the reaction tank 6 and the inner partition 7, the top of the spiral tube 8 is fixedly communicated with a plurality of shunt tubes 9, the shunt tubes 9 are symmetrically arranged with the center line of the reaction tank 6 as the center, the lowest ends of the shunt tubes 9 are positioned at the lower side of the inner partition 7, so that the material which completes the primary esterification reaction in the spiral tube 8 flows into the lower side of the inner partition 7 through the shunt tubes 9, the material is convenient to complete the secondary esterification reaction by using the residual heat of the resistance heater 14, a second stirring roller 10 is arranged between the spiral tube 8 and the inner partition 7, the second stirring roller 10 penetrates through the reaction tank 6 and is connected with a second motor 11 fixedly arranged at the top of the reaction tank 6, the second stirring rollers 10 are provided in plurality, and the second stirring rollers 10 are symmetrically arranged with the center line of the reaction tank 6, the second motor 11 drives the second stirring roller 10 to rotate, so that the second stirring roller 10 uniformly stirs the materials on the inner side of the inner partition plate 7, the first discharge port 12 is arranged at the bottom of the inner partition plate 7, the second discharge port 13 is arranged at the bottom of the reaction tank 6, and the middle part of the reaction tank 6 is fixedly provided with a resistance heater 14.

The working principle is as follows: when the continuous esterification reactor is used, firstly, various materials are injected into the stirring tank 1 through the feed inlet 4, an external power supply is switched on, the first motor 3 is started, the first motor 3 drives the first stirring roller 2 to rotate, the first stirring roller 2 stirs the materials in the stirring tank 1 to uniformly stir the materials, the pressure pump 15 is started, the pressure pump 15 pumps the materials in the stirring tank 1 to enter the spiral pipe 8 through the discharge pipe 5, the resistance heater 14 is started, the resistance heater 14 heats the materials in the spiral pipe 8 to heat the materials in the spiral pipe 8 to complete a primary esterification reaction, then the materials flow into the lower side of the inner partition plate 7 through the flow dividing pipe 9 under the action of pressure, the second motor 11 is started, the second motor 11 drives the second stirring roller 10, the second stirring roller 10 stirs the materials on the inner side of the inner partition plate 7, and simultaneously the materials absorb the waste heat emitted by the resistance heater 14 to complete a secondary esterification reaction, the materials which finish the esterification reaction overflow through the opening 16 arranged on the inner clapboard 7 and flow into the gap between the inner clapboard 7 and the reaction tank 6, the esterification reactor limits the flow path of the materials, is convenient for the materials to be uniformly heated for the esterification reaction, improves the esterification reaction effect of the materials, does not need to be processed discontinuously for loading and unloading, is convenient for the continuous esterification reaction of the materials, improves the processing efficiency of the esterification reactor, and when the esterification reaction is continuously carried out, the reacted materials are continuously discharged through the second discharge port 13, and when the esterification reaction is stopped, the first discharge port 12 is opened, so that the materials in the inner clapboard 7 are emptied through the first discharge port 12, thus completing all the work.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a but continuous esterification reactor, includes agitator tank (1), retort (6), first discharge gate (12) and second discharge gate (13), its characterized in that:

the stirring device comprises a stirring tank (1), wherein a first stirring roller (2) is rotatably connected inside the stirring tank (1), the top of the first stirring roller (2) penetrates through the stirring tank (1) and is connected with a first motor (3) fixedly installed at the top of the stirring tank (1), a feeding hole (4) is formed in the upper left side of the stirring tank (1), and the bottom of the stirring tank (1) is communicated with the left end of a discharging pipe (5);

the reaction tank (6) is arranged on the right side of the stirring tank (1), an inner partition plate (7) is fixed on the inner side of the reaction tank (6), a spiral pipe (8) is fixed on the inner side of the inner partition plate (7), the left lower side of the spiral pipe (8) is communicated with a discharge pipe (5) penetrating through the reaction tank (6) and the inner partition plate (7), the top of the spiral pipe (8) is fixedly communicated with a flow distribution pipe (9), a second stirring roller (10) is arranged between the spiral pipe (8) and the inner partition plate (7), and the second stirring roller (10) penetrates through the reaction tank (6) and is connected with a second motor (11) fixedly installed on the top of the reaction tank (6);

the reactor comprises a first discharge port (12), wherein the first discharge port (12) is formed in the bottom of an inner partition plate (7), a second discharge port (13) is formed in the bottom of a reaction tank (6), and a resistance heater (14) is fixedly installed in the middle of the reaction tank (6).

2. A continuous esterifiable reactor according to claim 1, wherein: and a pressure pump (15) is arranged in the middle of the discharge pipe (5).

3. A continuous esterifiable reactor according to claim 1, wherein: an opening (16) is arranged at the joint of the inner partition plate (7) and the reaction tank (6).

4. A continuous esterifiable reactor according to claim 1, wherein: the central line of the spiral pipe (8) and the central line of the resistance heater (14) are positioned on the same vertical line, and the outer end of the resistance heater (14) is attached to the inner side of the spiral pipe (8).

5. A continuous esterifiable reactor according to claim 1, wherein: the shunt tubes (9) are arranged in a plurality of symmetrical modes by taking the center line of the reaction tank (6) as the center, and the lowest ends of the shunt tubes (9) are positioned at the lower side of the inner partition plate (7).

6. A continuous esterifiable reactor according to claim 1, wherein: the second stirring rollers (10) are arranged in a plurality of numbers, and the second stirring rollers (10) are symmetrically arranged by taking the central line of the reaction tank (6) as the center.