CN211133907U

CN211133907U - Heating device is used in production of acrylic acid emulsion

Info

Publication number: CN211133907U
Application number: CN201921627079.5U
Authority: CN
Inventors: 刘勇; 李翔
Original assignee: Jiangsu Liwenjia Chemical Co ltd
Current assignee: Jiangsu Liwenjia Chemical Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-07-31
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a heating device for acrylic emulsion production, including the retort, the bottom of retort is provided with a plurality of stabilizer blades, still be provided with the discharging pipe in the bottom of retort, be provided with inlet pipe one and inlet pipe two respectively at the top of retort, all be provided with the valve on discharging pipe, inlet pipe one and the inlet pipe two, erect the motor at the top of retort, be provided with the pivot that extends to the retort inside at the executive spindle end of motor, the side cover is equipped with the mixing hopper on the pivot in the retort, it is provided with the distributing groove to rotate in the pivot of mixing hopper below, be provided with a plurality of stirring vane one in the pivot of distributing groove bottom; an electric heating coil is arranged on the inner side wall of the reaction tank surrounding the bottom of the distribution tank, and a controller for controlling the action of the electric heating coil is arranged outside the tank body of the reaction tank. The utility model discloses can also effectively improve the mixing efficiency of raw materials when effectively heating reaction liquid, improve the stability of reaction.

Description

Heating device is used in production of acrylic acid emulsion

Technical Field

The utility model relates to a heating device is used in production of acrylic acid emulsion belongs to firing equipment technical field.

Background

In the process of producing the acrylic ester emulsion, the reaction conditions, the adding speed of the raw materials, the mixing degree of the raw materials and the reaction temperature are required to be strictly controlled to become important influencing factors influencing the production of the acrylic ester emulsion, and the existing heating device for producing the acrylic ester emulsion has single function, cannot effectively control the stability of the reaction and often causes the reaction to generate the condition of local polymerization or sudden polymerization.

Disclosure of Invention

For solving the not enough of prior art, the utility model provides a heating device is used in production of acrylic acid emulsion can also effectively improve the mixing efficiency of raw materials when effectively heating reaction liquid, has improved the stability of reaction.

The utility model discloses the technical scheme who adopts does:

a heating device for producing acrylic emulsion comprises a reaction tank, wherein the bottom of the reaction tank is provided with a plurality of support legs, the bottom of the reaction tank is also provided with a discharge pipe, the top of the reaction tank is respectively provided with a first feed pipe and a second feed pipe, the discharge pipe, the first feed pipe and the second feed pipe are respectively provided with a valve, the top of the reaction tank is provided with a motor, an execution shaft of the motor is vertically and downwards arranged, the tail end of the execution shaft of the motor is provided with a rotating shaft extending into the reaction tank, the rotating shaft is rotatably connected with the reaction tank and is mechanically sealed, a mixing hopper is sleeved on the upper side of the rotating shaft in the reaction tank and is of a horn-shaped structure with an upward opening, a plurality of fixed rods are arranged between the top of the mixing hopper and the rotating shaft, the bottom of the mixing hopper is fixedly connected with the rotating shaft, a plurality of blanking holes are arranged on the lower, the bottom of the distribution groove is provided with a plurality of feed openings, a plurality of air outlet holes are formed around the top of the side wall of the distribution groove, a plurality of support rods are welded between the side wall of the top of the distribution groove and the reaction tank, and a plurality of stirring blades I are arranged on a rotating shaft at the bottom of the distribution groove; an electric heating coil is arranged on the inner side wall of the reaction tank surrounding the bottom of the distribution tank, and a controller for controlling the action of the electric heating coil is arranged outside the tank body of the reaction tank.

Preferably, a temperature sensor is further arranged on the inner side wall of the reaction tank at the bottom of the distribution tank, and a signal sending end of the temperature sensor is electrically connected with a signal receiving end of the controller and transmits monitored data to the controller for display.

Further preferably, an exhaust pipe is arranged at the top of the side wall of the reaction tank, and an automatic pressure release valve is arranged on the exhaust pipe.

Further preferably, a liquid level meter is further arranged on the tank body of the reaction tank at the bottom of the distribution tank.

Preferably, the tank body of the reaction tank is also provided with an observation window for observing the bottom of the distribution tank and the reaction tank.

Further preferably, the valve is a flow regulating valve.

Further preferably, a second stirring blade is arranged on the rotating shaft in the groove body of the distribution groove.

The beneficial effects of the utility model reside in that:

adopt the mixing hopper to mix the raw materials to adopt the distribution groove to improve the unloading stability of raw materials after mixing, reduce the interference to reaction solution, and adopt temperature sensor, electric heating coil and controller cooperation to use, improved the accuracy nature to reaction temperature control, and then improved reaction system's stability.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

the main reference numerals in the figures have the following meanings:

1. the reaction tank comprises a reaction tank body, 2, support legs, 3, a discharge pipe, 4, a first feed pipe, 5, a second feed pipe, 6, a valve, 7, a motor, 8, a rotating shaft, 9, a mixing hopper, 10, a fixing rod, 11, a blanking hole, 12, a distribution groove, 13, a blanking hole, 14, an air outlet hole, 15, a support rod, 16, a first stirring blade, 17, an electric heating coil, 18, a controller, 19, a temperature sensor, 20, an exhaust pipe, 21, an automatic pressure release valve, 22, a liquid level meter, 23, an observation window, 24 and a second stirring blade.

Detailed Description

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

As shown in fig. 1-2: the embodiment is a heating device for producing acrylic emulsion, which comprises a reaction tank 1, wherein the bottom of the reaction tank 1 is provided with a plurality of support legs 2, the bottom of the reaction tank 1 is also provided with a discharge pipe 3, the top of the reaction tank 1 is respectively provided with a first feed pipe 4 and a second feed pipe 5, the discharge pipe 3, the first feed pipe 4 and the second feed pipe 5 are respectively provided with a valve 6, the valve 6 is a flow regulating valve, the top of the reaction tank 1 is provided with a motor 7, an execution shaft of the motor 7 is vertically and downwards arranged, the tail end of the execution shaft of the motor 7 is provided with a rotating shaft 8 extending into the reaction tank 2, the rotating shaft 8 is rotatably connected with the reaction tank 2 and is mechanically sealed, a mixing hopper 9 is sleeved on the upper side of the rotating shaft 8 in the reaction tank 2, the mixing hopper 9 is of a horn-shaped structure with an upward opening, a plurality of fixing rods 10 are arranged between the top of the mixing hopper 9, a plurality of blanking holes 11 are formed in the lower half bucket body of the mixing bucket 9, a distribution groove 12 is rotatably arranged on the rotating shaft 8 below the mixing bucket 9, a plurality of blanking ports 13 are formed in the bottom of the distribution groove 12, a plurality of air outlet holes 14 are formed in the top of the side wall surrounding the distribution groove 12, a plurality of support rods 15 are welded between the side wall of the top of the distribution groove 12 and the reaction tank 1, and a plurality of first stirring blades 16 are arranged on the rotating shaft 8 at the bottom of the distribution groove 12; an electric heating coil 17 is arranged on the inner side wall of the reaction tank 1 surrounding the bottom of the distribution tank 12, and a controller 18 for controlling the action of the electric heating coil 17 is arranged outside the tank body of the reaction tank 1; a temperature sensor 19 is further disposed on the inner side wall of the reaction tank 1 at the bottom of the distribution tank 12, a signal sending end of the temperature sensor 19 is electrically connected with a signal receiving end of the controller 18 and transmits monitored data to the controller 18 for display, and a connection relationship and a control relationship between the temperature sensor, the electric heating coil and the controller are understood by those skilled in the art and are not described herein again.

Referring to fig. 1 and 2, an exhaust pipe 20 is arranged at the top of the side wall of the reaction tank 1, and an automatic pressure relief valve 21 is arranged on the exhaust pipe 20.

Referring to fig. 2, a liquid level meter 22 is further disposed on the bottom of the distribution tank 12 and the bottom of the reaction tank 1, and an observation window 23 for observing the bottom of the distribution tank 12 and the bottom of the reaction tank 1 is further opened on the bottom of the reaction tank 1.

Referring to fig. 1, a second stirring blade 24 is further arranged on the rotating shaft 8 in the tank body of the distribution tank 12.

In practical application, the utility model is characterized in that the valve 6 on the inlet pipe I4 and the inlet pipe II 5 is adjusted to add raw materials into the reaction tank 1, the motor 7 and the electric heating coil 17 are started, the motor 7 drives the rotating shaft 8 to rotate, and then drives the mixing hopper 9, the mixing blade I16 and the mixing blade II 24 to rotate, the raw materials entering the reaction tank 1 through the inlet pipe I4 and the inlet pipe II 5 fall on the rotating mixing hopper 9, the mixing effect among the raw materials is improved, the mixed raw materials fall on the distribution tank 12 through a plurality of blanking holes 11 arranged on the lower half bucket body of the mixing hopper 9, are mixed through the mixing blade II 24 in the trough body of the distribution tank 12 and then fall to the bottom of the reaction tank 1 through the blanking hole 13 at the bottom of the distribution tank 12, and the reaction is carried out under the heating of the electric heating coil 17 and the stirring of the first stirring blade 16, and the liquid after the reaction is discharged under the control of a valve on the discharge pipe 3.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A heating device for producing acrylic emulsion is characterized in that: comprises a reaction tank (1), the bottom of the reaction tank (1) is provided with a plurality of support legs (2), the bottom of the reaction tank (1) is also provided with a discharge pipe (3), the top of the reaction tank (1) is respectively provided with a first feed pipe (4) and a second feed pipe (5), valves (6) are arranged on the discharge pipe (3), the first feed pipe (4) and the second feed pipe (5), a motor (7) is erected at the top of the reaction tank (1), an execution shaft of the motor (7) is vertically arranged downwards, a rotating shaft (8) extending to the inside of the reaction tank (1) is arranged at the tail end of the execution shaft of the motor (7), the rotating shaft (8) is rotatably connected with the reaction tank (1) and is mechanically sealed, a mixing hopper (9) is sleeved on the upper side of the rotating shaft (8) in the reaction tank (1), and the mixing hopper (9) is of a horn-shaped structure with an upward, a plurality of fixing rods (10) are arranged between the top of the mixing hopper (9) and the rotating shaft (8), the bottom of the mixing hopper (9) is fixedly connected with the rotating shaft (8), a plurality of blanking holes (11) are formed in the lower half hopper body of the mixing hopper (9), a distribution groove (12) is rotatably arranged on the rotating shaft (8) below the mixing hopper (9), a plurality of blanking ports (13) are formed in the bottom of the distribution groove (12), a plurality of air outlet holes (14) are formed in the top of the side wall surrounding the distribution groove (12), a plurality of supporting rods (15) are welded between the side wall of the top of the distribution groove (12) and the reaction tank (1), and a plurality of stirring blades I (16) are arranged on the rotating shaft (8) at the bottom of the distribution groove (12); an electric heating coil (17) is arranged on the inner side wall of the reaction tank (1) surrounding the bottom of the distribution groove (12), and a controller (18) for controlling the action of the electric heating coil (17) is arranged outside the tank body of the reaction tank (1).

2. The heating device for acrylic emulsion production according to claim 1, wherein a temperature sensor (19) is further disposed on the inner side wall of the reaction tank (1) at the bottom of the distribution tank (12), and a signal transmitting end of the temperature sensor (19) is electrically connected with a signal receiving end of the controller (18) and transmits monitored data to the controller (18) for display.

3. The heating device for acrylic emulsion production according to claim 1, characterized in that the top of the side wall of the reaction tank (1) is provided with an exhaust pipe (20), and the exhaust pipe (20) is provided with an automatic pressure relief valve (21).

4. The heating apparatus for acrylic emulsion production as claimed in claim 1, wherein a level gauge (22) is further provided on the body of the reaction tank (1) at the bottom of the distribution tank (12).

5. The heating device for acrylic emulsion production as claimed in claim 1, wherein the tank body of said reaction tank (1) is further provided with an observation window (23) for observing the bottom of the distribution tank (12) and the reaction tank (1).

6. The heating apparatus for acrylic emulsion production as set forth in claim 1, wherein said valve (6) is a flow rate regulating valve.

7. The heating device for acrylic emulsion production as claimed in claim 1, wherein the rotating shaft (8) in the tank body of the distribution tank (12) is further provided with a second stirring blade (24).