CN213222073U - Closed reaction kettle for synthesizing N-methyl o-phenylenediamine hydrochloride - Google Patents

Abstract

The utility model relates to a synthetic N-methyl o-phenylenediamine hydrochloride technical field discloses an airtight reation kettle for synthesizing N-methyl o-phenylenediamine hydrochloride, including the cauldron body, cauldron body bottom fixedly connected with support is located the vertical upwards fixed mounting in cauldron body bottom intermediate position has servo motor, and servo motor's transmission axostylus axostyle seal activity runs through in cauldron body bottom intermediate position, servo motor's transmission shaft pole upper end fixedly connected with puddler. The utility model discloses cold water enters into the cooling water intracavity from the inlet tube and cools off top cap and condensation box upper portion, and the condensation becomes the drop of water and falls on condensation box inner chamber when meetting the guide plate of falling the V-arrangement from communicating pipe exhaust steam, then suction pump work drives the suction tube and sucks away the comdenstion water of condensation box inner chamber, avoids the vapor among the prior art to drip and causes the condition of diluting with the raw materials in reation kettle.

Description

Closed reaction kettle for synthesizing N-methyl o-phenylenediamine hydrochloride

Technical Field

The utility model relates to a synthetic N-methyl o-phenylenediamine hydrochloride technical field specifically is an airtight reation kettle for synthesizing N-methyl o-phenylenediamine hydrochloride.

Background

High-pressure batch autoclave is the reaction unit who uses always in chemical industry production, because many chemical industry raw materials have corrosivity in the chemical production, make high-pressure batch autoclave's metal inner wall receive the corruption very easily, not only influence reation kettle's life, still can cause the influence to the purity of product.

Disclose high-pressure airtight reation kettle through retrieval application number 201620846055.9, including the reation kettle cauldron body, top cap, set up actuating mechanism on the top cap, set up pivot and the stirring rake internal at the reation kettle, the external side of reation kettle cauldron be provided with sealed clamp cover, be the heat preservation chamber between sealed clamp cover and the reation kettle cauldron body, reation kettle cauldron body top is provided with feed inlet and sample detection mouth, reation kettle cauldron body bottom is provided with the discharge gate. Although the utility model discloses a structural design is reasonable, compact, and it passes through end cover seal assembly's design for the pipe connection sealing performance is good, stable in structure, relatively independent between each part, has improved structural performance greatly, through setting up the pressure material pipe, can realize sample and material property detection, through setting up the joint turn-ups, the change of the part of can being convenient for has improved the life of equipment greatly.

However, the inventor finds that the technical scheme still has at least the following defects:

in the technology, water vapor drips in the reaction kettle to dilute the raw materials.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a closed reation kettle for synthesizing N-methyl o-phenylenediamine hydrochloride has solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the closed reaction kettle for synthesizing the N-methyl o-phenylenediamine hydrochloride comprises a kettle body, wherein a support is fixedly connected to the bottom of the kettle body, a servo motor is vertically and upwards fixedly arranged in the middle of the bottom of the kettle body, a transmission shaft lever of the servo motor penetrates through the middle of the bottom of the kettle body in a sealing and movable manner, and a stirring rod is fixedly connected to the upper end part of the transmission shaft lever of the servo motor;

a top cover is fixedly covered on the upper part of the kettle body, a cooling water cavity is formed in the top cover, and a drain pipe and a water inlet pipe are respectively and fixedly communicated with the left side and the right side of the top cover; a condensation box is fixedly connected to the bottom of the top cover, and a material injection pipe is vertically and fixedly communicated with the middle of the condensation box;

the bottom of the inner cavity of the condensation box is vertically and fixedly communicated with a plurality of communicating pipes which are distributed at equal intervals, and the upper part of the inner cavity of the condensation box is fixedly connected with a plurality of inverted V-shaped guide plates which are distributed at equal intervals; and a suction pump is fixedly arranged on the left side of the upper part of the top cover, a suction port of the suction pump is fixedly communicated with the head end of a suction pipe, and the tail end of the suction pipe is hermetically inserted at the bottom of the inner cavity of the condensation box.

As the preferred embodiment of the utility model, the lower part of the right side of the kettle body is fixedly communicated with a heating rod, and the bottom of the kettle body is obliquely and fixedly communicated with a discharge pipe.

As the utility model discloses a preferred embodiment, notes material pipe upper end fixed mounting has the valve, and valve fixed mounting is on top cap upper portion.

As the preferred embodiment of the present invention, it is a plurality of the inverted V-shaped guide plates are vertically aligned with the communicating pipes.

As the preferred embodiment of the present invention, the length of the communication pipe is half of the thickness of the condensation box.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses pour into the cauldron internal with the material from annotating the material pipe, then servo motor work drives the puddler and stirs the raw materials, steam that produces in the heating process enters into condensation box inner chamber from a plurality of communicating pipes of condensation bottom of the box portion, and outside cold water enters into the cooling water intracavity from the inlet tube and cools off top cap and condensation box upper portion, the condensation becomes the drop of water and falls on condensation box inner chamber when meetting the V-arrangement guide plate from communicating pipe exhaust steam, then suction pump work drives the comdenstion water of suction tube to condensation box inner chamber and pumps away, avoid the vapor among the prior art to drip and cause the condition of dilution with the raw materials in reation kettle.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a front view of a closed reaction vessel for synthesizing N-methyl o-phenylenediamine hydrochloride according to the present invention;

fig. 2 is a schematic diagram of the side view structure of the distribution positions of the top cover and the condensation box of the closed reaction kettle for synthesizing N-methyl o-phenylenediamine hydrochloride.

In the figure: 1. a kettle body; 2. a condensing box; 3. a butterfly bolt; 4. a material injection pipe; 5. a valve; 6. a top cover; 7. a heating rod; 8. a support; 9. a servo motor; 10. a discharge pipe; 11. a stirring rod; 12. a suction tube; 13. an inverted V-shaped baffle; 14. a communicating pipe; 15. a cooling water cavity; 16. a water inlet pipe; 17. a drain pipe; 18. a suction pump.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-2, the present invention provides a technical solution: the closed reaction kettle for synthesizing the N-methyl o-phenylenediamine hydrochloride comprises a kettle body 1, wherein a support 8 is fixedly connected to the bottom of the kettle body 1, a servo motor 9 is vertically and upwardly fixedly installed at the middle position of the bottom of the kettle body 1, a transmission shaft rod of the servo motor 9 penetrates through the middle position of the bottom of the kettle body 1 in a sealing and movable manner, and a stirring rod 11 is fixedly connected to the upper end part of the transmission shaft rod of the servo motor 9;

a top cover 6 is fixedly covered on the upper part of the kettle body 1, a cooling water cavity 15 is arranged in the top cover 6, a drain pipe 17 and a water inlet pipe 16 are respectively and fixedly communicated with the left side and the right side of the top cover 6, and the water inlet pipe 16 is communicated with an external cold water pump; the bottom of the top cover 6 is fixedly connected with a condensation box 2, the middle of the condensation box 2 is vertically and fixedly communicated with a material injection pipe 4, and the material injection pipe 4, the condensation box 2 and the top cover 6 form a sealing effect;

the bottom of the inner cavity of the condensation box 2 is vertically and fixedly communicated with a plurality of communicating pipes 14 which are distributed at equal intervals, and the upper part of the inner cavity of the condensation box 2 is fixedly connected with a plurality of inverted V-shaped guide plates 13 which are distributed at equal intervals; a suction pump 18 is fixedly arranged on the left side of the upper part of the top cover 6, a suction port of the suction pump 18 is fixedly communicated with the head end of the suction pipe 12, and the tail end of the suction pipe 12 is hermetically inserted at the bottom of the inner cavity of the condensation box 2.

In this embodiment (as shown in fig. 1), a heating rod 7 is fixedly connected to the lower portion of the right side of the kettle 1, the heating rod 7 can heat the inner cavity of the kettle 1, and a material discharge pipe 10 is fixedly connected to the bottom of the kettle 1 in an inclined manner.

In this embodiment (see fig. 1), a valve 5 is fixedly installed at the upper end of the material injection pipe 4, and the valve 5 is fixedly installed at the upper part of the top cover 6.

In this embodiment (as shown in fig. 1), the inverted V-shaped baffles 13 are vertically aligned with the communicating tubes 14, so that water drops are prevented from dropping into the communicating tubes 14.

In this embodiment (see fig. 1), the length of the communication pipe 14 is half of the thickness of the condensation box 2, so as to prevent the water source in the inner cavity of the condensation box 2 from being discharged from the communication pipe 14.

It should be noted that, the present invention is a closed reaction kettle for synthesizing N-methyl o-phenylenediamine hydrochloride, each of which is a general standard component or a component known to those skilled in the art, and the structure and principle of the reaction kettle are known to those skilled in the art through technical manuals or conventional experimental methods.

The working principle is as follows: pour into the cauldron body 1 from annotating material pipe 4 with the material in, then servo motor 9 work drives puddler 11 and stirs the raw materials, steam that produces in the heating process enters into 2 inner chambers of condensation box from a plurality of communicating pipes 14 of 2 bottoms of condensation box, and outside cold water cools off roof 6 and 2 upper portions of condensation box in entering into cooling water chamber 15 from inlet tube 16, the condensation becomes the drop of water and falls in 2 inner chambers of condensation box when meetting inverted V-arrangement guide plate 13 from communicating pipe 14 exhaust steam, then 18 work of suction pump drives suction tube 12 and pumps away the comdenstion water of 2 inner chambers of condensation box, avoid the vapor among the prior art to drip and cause the condition of dilution with the raw materials in the reation kettle.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. A closed reation kettle for synthesizing N-methyl o-phenylenediamine hydrochloride which characterized in that: the kettle comprises a kettle body (1), wherein a support (8) is fixedly connected to the bottom of the kettle body (1), a servo motor (9) is vertically and upwardly and fixedly installed at the middle position of the bottom of the kettle body (1), a transmission shaft lever of the servo motor (9) penetrates through the middle position of the bottom of the kettle body (1) in a sealing and movable manner, and a stirring rod (11) is fixedly connected to the upper end part of the transmission shaft lever of the servo motor (9);

a top cover (6) is fixedly covered on the upper part of the kettle body (1), a cooling water cavity (15) is formed in the top cover (6), and a drain pipe (17) and a water inlet pipe (16) are respectively and vertically and fixedly communicated with the left side and the right side of the top cover (6); a condensation box (2) is fixedly connected to the bottom of the top cover (6), and a material injection pipe (4) is vertically and fixedly communicated with the middle of the condensation box (2);

the bottom of the inner cavity of the condensation box (2) is vertically and fixedly communicated with a plurality of communicating pipes (14) which are distributed at equal intervals, and the upper part of the inner cavity of the condensation box (2) is fixedly connected with a plurality of inverted V-shaped guide plates (13) which are distributed at equal intervals; and a suction pump (18) is fixedly arranged on the left side of the upper part of the top cover (6), a suction port of the suction pump (18) is fixedly communicated with the head end of a suction pipe (12), and the tail end of the suction pipe (12) is hermetically inserted at the bottom of the inner cavity of the condensation box (2).

2. The closed reaction kettle for synthesizing N-methylphthalenediamine hydrochloride according to claim 1, wherein: the lower part of the right side of the kettle body (1) is fixedly communicated with a heating rod (7), and the bottom of the kettle body (1) is obliquely and fixedly communicated with a discharging pipe (10).

3. The closed reaction kettle for synthesizing N-methylphthalenediamine hydrochloride according to claim 1, wherein: and a valve (5) is fixedly arranged at the upper end part of the material injection pipe (4), and the valve (5) is fixedly arranged at the upper part of the top cover (6).

4. The closed reaction kettle for synthesizing N-methylphthalenediamine hydrochloride according to claim 1, wherein: the inverted V-shaped guide plates (13) are vertically aligned with the communicating pipes (14).

5. The closed reaction kettle for synthesizing N-methylphthalenediamine hydrochloride according to claim 1, wherein: the length of the communicating pipe (14) is half of the thickness of the condensation box (2).

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