CN212068735U - A chemical reactor that helps to reduce the bubble rate in chemical raw materials - Google Patents

Abstract

The utility model discloses a chemical reaction kettle which is helpful for reducing the air bubble rate in chemical raw materials, relates to the technical field of chemical equipment, and specifically includes a reaction tank body. The top of the reaction tank body is respectively provided with a defoaming box and a deceleration motor. And the vacuum pump, the left side of the defoaming box is fixedly connected with a conveying pipe, and the end of the conveying pipe away from the defoaming box is fixedly connected with the reaction tank body, the top and bottom of the inner wall of the reaction tank are respectively provided with bearing A and bearing B, bearing A The inner wall is fixedly connected with a driving shaft. By setting the geared motor, the defoaming box, the driving shaft, the driven shaft and the guide vane, the effect of reducing the air bubbles in the reactor and improving the reaction rate by adding a defoaming agent and internal vacuuming is achieved. The bubble rate in some reactors is high, and there are no more devices to reduce the bubble rate. Higher bubble rate will lead to a reduction in the reaction rate, which is very troublesome in use.

Description

A chemical reactor that helps to reduce the bubble rate in chemical raw materials

technical field

The utility model relates to the technical field of chemical equipment, in particular to a chemical reaction kettle which is helpful for reducing the bubble rate in chemical raw materials.

Background technique

Reactors are widely used in petroleum, chemical, rubber, pesticides, dyes, medicine, food, and pressure vessels used to complete processes such as vulcanization, nitration, hydrogenation, alkylation, polymerization, condensation, etc., such as reactors, reaction pots, decomposition pots , polymerization kettle, etc.; the materials are generally carbon-manganese steel, stainless steel, zirconium, nickel-based alloys and other composite materials. , SUS316L and other stainless steel materials.

When some existing reactors are used for stirring and reacting materials, the bubble rate of the internal chemical reaction is relatively high, and there are not many devices to reduce the bubble rate. The reduction of the rate also makes the reaction material not sufficiently reacted, which is very troublesome in use.

Utility model content

The purpose of this utility model is to provide a chemical reaction kettle that helps to reduce the bubble rate in the chemical raw materials, so as to solve the problems raised in the above-mentioned background technology.

To achieve the above object, the utility model provides the following technical solutions:

A chemical reaction kettle that helps to reduce the bubble rate in chemical raw materials, comprises a reaction tank body, the top of the reaction tank body is respectively provided with a defoaming box, a deceleration motor and a vacuum pump, and the left side of the defoaming box is fixedly connected with a The conveying pipe, the end of the conveying pipe away from the defoaming box is fixedly connected with the reaction tank body, the top and bottom of the inner wall of the reaction tank are respectively provided with bearing A and bearing B, the inner wall of bearing A is fixedly connected with the driving shaft, the output shaft of the geared motor It is fixedly connected with the top of the driving shaft, the surface of the driving shaft is provided with several stirring blades, the surface of the driving shaft is fixedly sleeved with the driving gear, the inner wall of the bearing B is fixedly connected with the driven shaft, and the surfaces of the driven shaft are respectively provided with blades , the driven gear and the guide vane, the guide vane is located at the bottom of the driven shaft, the driving gear and the driven gear mesh with each other, and the surface of the reaction tank is located at the bottom. The inlet and outlet pipes are provided with a connecting pipe at the bottom of the reaction tank body, and the top of the connecting pipe is fixedly connected with the connecting port of the vacuum pump.

As a further solution of the present invention, the number of the driving shaft is one, the number of driven shafts is four, and the four driven shafts are distributed in an annular array with the axis of the driving shaft as the center of the array.

As a further solution of the present invention: the number of the guide vanes is equal to the number of the driven shafts.

As a further solution of the present invention, the deceleration motor is fixedly connected to the upper surface of the reaction tank through a fixing frame.

As a further solution of the present invention, the stirring blades and the blades are arranged in a staggered manner.

Compared with the prior art, the beneficial effect of the present utility model is: by setting the deceleration motor, the defoaming box, the driving shaft, the driven shaft and the guide vane, the material to be reacted is firstly introduced into the reaction tank through the inlet pipe. Then add the defoaming agent to the inside of the defoaming box, then close the inlet pipe and conveying pipe, turn on the vacuum pump to extract the air inside the reaction tank, start the deceleration motor to start stirring after the extraction, and the deceleration motor drives the active The shaft rotates to drive the driven shaft to rotate through the stirring blades and blades to stir the interior. The four driven shafts make the internal stirring more sufficient. The method of foaming agent and internal evacuation reduces the bubbles in the reaction kettle and improves the effect of the reaction rate, which solves the problem that the bubble rate in some reaction kettles is high, and there are no more devices to reduce the bubble rate. It leads to a decrease in the reaction rate and is very troublesome in use.

Description of drawings

FIG. 1 is a front sectional view of a chemical reactor that helps to reduce the bubble rate in chemical raw materials.

FIG. 2 is a top view of a chemical reactor that helps to reduce the bubble rate in chemical raw materials.

Fig. 3 is a top sectional view at the position of the stirring blade of a chemical reaction kettle which is helpful for reducing the bubble rate in the chemical raw material.

FIG. 4 is a top sectional view at the position of the guide vane of a chemical reactor for helping to reduce the bubble rate in the chemical raw material.

As shown in the figure: 1. Reaction tank; 2. Debubbling box; 3. Geared motor; 4. Vacuum pump; 5. Conveying pipe; 6. Bearing A; 7. Bearing B; 8. Driving shaft; 9. Stirring blade ; 10, driving gear; 11, driven shaft; 12, vane; 13, driven gear; 14, guide vane; 15, inlet pipe; 16, inlet and outlet pipe; 17, connecting pipe.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "top/bottom", etc. is based on the drawings shown in the drawings. The orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limit. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installation", "provided with", "sleeve/connection", "connection", etc., should be understood in a broad sense, such as "Connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be two elements Internal connectivity. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Referring to FIGS. 1 to 4, in the embodiment of the present invention, a chemical reaction kettle that helps to reduce the bubble rate in chemical raw materials includes a reaction tank body 1, and the top of the reaction tank body 1 is respectively provided with a defoaming box 2 , a geared motor 3 and a vacuum pump 4, the vacuum pump 4 extracts the air in the reaction tank 1, leaving only a little gas required for the reaction, if no reaction gas is needed, it is directly evacuated to reduce the bubble rate in the reaction tank, The deceleration motor 3 is fixedly connected to the upper surface of the reaction tank 1 through the fixing frame, and the left side of the defoaming box 2 is fixedly connected with a conveying pipe 5, and the conveying pipe 5 is a pipeline for sending the defoaming agent in the defoaming box 2. The end of the conveying pipe 5 away from the defoaming box 2 is fixedly connected to the reaction tank 1, and the top and bottom of the inner wall of the reaction tank 1 are respectively provided with bearings A6 and B7, which are convenient for the rotation of the driving shaft 8 and the driven shaft 11. , the inner wall of the bearing A6 is fixedly connected with the driving shaft 8, the number of the driving shaft 8 is one, the number of the driven shafts 11 is four, and the four driven shafts 11 are arranged in a circular array with the axis of the driving shaft 8 as the center of the array Distribution, one driving shaft 8 drives four driven shafts 11 to rotate, and no two opposite driven shafts 11 rotate in opposite directions, realizing the simultaneous existence of forward rotation and reverse rotation, and realizing sufficient stirring to increase the reaction rate, The output shaft of the deceleration motor 3 is fixedly connected with the top of the driving shaft 8, and the surface of the driving shaft 8 is provided with a number of stirring blades 9, and the stirring blades 9 and the blades 12 are staggered and set, so that it is not easy to collide with each other during stirring, which also makes The stirring gap is small, which increases the stirring efficiency. The surface of the driving shaft 8 is fixedly sleeved with the driving gear 10, the inner wall of the bearing B7 is fixedly connected with the driven shaft 11, and the surfaces of the driven shaft 11 are respectively provided with blades 12, driven Gears 13 and guide vanes 14, the number of guide vanes 14 is equal to the number of driven shafts 11. In order to transport the reaction material at the bottom to the top, the guide vane 14 realizes the diversion of the reaction material. The flow rotating vane 14 is located at the bottom of the driven shaft 11, the driving gear 10 and the driven gear 13 are meshed with each other, and the surface of the reaction tank 1 is located at the bottom. The bottom of the tank body 1 is provided with a connecting pipe 17 , and the top of the connecting pipe 17 is fixedly connected with the connecting port of the vacuum pump 4 .

When in use, the material to be reacted is first introduced into the interior of the reaction tank 1 through the inlet pipe 15, and then a defoaming agent is added to the inside of the defoaming box 2, and the defoaming agent enters the reaction tank 1 through the conveying pipe 5. Stirring is carried out inside, and then the inlet pipe 15 and the conveying pipe 5 are closed, the vacuum pump 4 is turned on, and the internal air of the reaction tank 1 is evacuated to prevent more bubbles from appearing during stirring. 3. The rotation drives the driving shaft 8 to rotate, and the rotation of the driving shaft 8 drives the stirring blade 9 to rotate to stir the reaction material. The rotation of the driving gear 10 on the driving shaft 8 drives the driven gear 13 to rotate through meshing, and the driven gear 13 rotates to drive the blades. 12 rotates, the four driven shafts 11 rotate in opposite directions, and the forward rotation is also reversed to achieve full stirring. The material below it is stirred to the top of the guide vane 14 to realize the guide of the material, increase the stirring effect, and improve the reaction rate. The guide vane 14 is similar to the fan vane. The reaction material is stirred, and the air bubbles inside the reaction kettle are greatly reduced under the action of internal air extraction and defoaming agent.

Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principle of the present invention, any modifications, equivalent replacements, improvements, etc. made should be included in the protection scope of the present invention, and the content not described in detail in this specification belongs to the professional in the field State of the art known to the skilled person.

Claims (5)

1. a chemical reaction kettle that helps to reduce the bubble rate in chemical raw materials, comprising a reaction tank body (1), characterized in that the top of the reaction tank body (1) is respectively provided with a defoaming box (2) , a geared motor (3) and a vacuum pump (4), the left side of the defoaming box (2) is fixedly connected with a conveying pipe (5), and one end of the conveying pipe (5) away from the defoaming box (2) is connected to the reaction tank (1). ) fixed connection, the top and bottom of the inner wall of the reaction tank body (1) are respectively provided with a bearing A (6) and a bearing B (7), the inner wall of the bearing A (6) is fixedly connected with a driving shaft (8), a geared motor (3) ) output shaft is fixedly connected with the top of the driving shaft (8), the surface of the driving shaft (8) is provided with a number of stirring blades (9), the surface of the driving shaft (8) is fixedly sleeved with the driving gear (10), and the bearing The inner wall of B (7) is fixedly connected with a driven shaft (11), and the surface of the driven shaft (11) is respectively provided with a vane (12), a driven gear (13) and a guide vane (14). The blade (14) is located at the bottom of the driven shaft (11), the driving gear (10) and the driven gear (13) are meshed with each other, and the two sides of the surface of the reaction tank (1) at the bottommost position are respectively provided with inlets The pipe (15) and the inlet and outlet pipes (16), the bottom of the reaction tank (1) is provided with a connecting pipe (17), and the top of the connecting pipe (17) is fixedly connected with the connection port of the vacuum pump (4). 2. A chemical reaction kettle for reducing the bubble rate in chemical raw materials according to claim 1, wherein the number of the driving shaft (8) is one, and the number of the driven shaft (11) is one. There are four driven shafts (11), and the four driven shafts (11) are distributed in an annular array with the axis of the driving shaft as the center of the array. 3. A kind of chemical reaction kettle that helps to reduce the bubble rate in chemical raw materials according to claim 1, is characterized in that, the quantity of described guide vane (14) and the quantity of driven shaft (11) equal. 4. a kind of chemical reaction kettle that helps to reduce the bubble rate in chemical raw materials according to claim 1, is characterized in that, described reduction motor (3) is fixedly connected on the reaction tank body (1) through fixing frame upper surface. 5 . The chemical reaction kettle for reducing the bubble rate in chemical raw materials according to claim 1 , wherein the stirring blades ( 9 ) and the blades ( 12 ) are staggered. 6 .

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