Safe quenching device after chlorination of phosphorus oxychloride

Abstract

The utility model discloses a safe quenching device after chlorination of phosphorus oxychloride, which relates to the technical field of phosphorus oxychloride treatment and comprises a bottom plate, a reaction barrel and a reciprocating plate are fixedly arranged on the upper surface of the bottom plate, a feeding hopper is fixedly arranged on the upper surface of the reaction barrel, supporting shafts are symmetrically and fixedly arranged on two sides of the reaction barrel, a rotating column is rotatably arranged in the reaction barrel, and the reciprocating plate is arranged on the rotating column. The two ends of the rotating column penetrate through the reaction barrel and are rotationally connected with the corresponding supporting shafts, a direct-current motor and a speed reducer are arranged on one side of the reaction barrel, the output end of the direct-current motor is connected with the speed reducer, the output end of the speed reducer is fixedly connected with the rotating column, and stirring arc pieces are fixedly arranged on the outer surface of the rotating column; according to the safe quenching device after chlorination of phosphorus oxychloride, the stirring arc sheet and the rod piece are arranged in the reaction barrel, so that the chlorination reaction of phosphorus oxychloride can be accelerated, the efficiency is improved, and the time is shortened; the spray head can swing in a reciprocating manner to uniformly spray a quenching agent, so that quenching is more thorough, and insufficient local reaction is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of phosphorus oxychloride processing technology, specifically is phosphorus oxychloride chlorination safe quenching device. BACKGROUND

[0002] Phosphorus oxychloride is often used as chlorinating agent in organic synthesis, and it has strong corrosivity and toxicity. If not quenched, it will react violently with water or humid air in subsequent operations, releasing a large amount of heat and toxic hydrogen chloride gas, which may cause harm to personnel, corrode equipment and pollute the environment.

[0003] However, the prior art still has the following problems:

[0004] The existing technology of phosphorus oxychloride chlorination safe quenching device has low reaction efficiency, and some devices lack stirring components, which causes insufficient mixing of materials, resulting in slow phosphorus oxychloride chlorination reaction rate, low reaction efficiency, and significantly prolonged overall reaction time, limiting production efficiency. The position of the quenching nozzle is often fixed, which limits the coverage of the quenching agent and makes it difficult to evenly distribute to all parts of the reaction barrel, resulting in uneven mixing of the quenching agent and reaction products, and local reaction may not be sufficient, which cannot ensure that the quenching process is comprehensive and thorough, and there is a safety hazard.

[0005] To solve the above problems, the inventors propose a phosphorus oxychloride chlorination safe quenching device. Utility model content

[0006] To solve the problem of low reaction efficiency of the phosphorus oxychloride chlorination safe quenching device, the utility model aims to provide a phosphorus oxychloride chlorination safe quenching device.

[0007] To solve the above technical problems, the utility model adopts the following technical scheme: a phosphorus oxychloride chlorination safe quenching device, comprising a bottom plate, the upper surface of the bottom plate is fixedly provided with a reaction barrel and a reciprocating plate, the upper surface of the reaction barrel is fixedly provided with an inlet hopper, the two sides of the reaction barrel are symmetrically fixedly provided with support shafts, a rotating column is rotatably arranged in the reaction barrel, and the two ends of the rotating column penetrate the reaction barrel and are rotatably connected with the corresponding support shafts, a DC motor and a speed reducer are arranged on one side of the reaction barrel, the output end of the DC motor is connected with the speed reducer, the output end of the speed reducer is fixedly connected with the rotating column, and stirring arc pieces are fixedly arranged on the outer surface of the rotating column.

[0008] Preferably, the upper side of the reciprocating plate is provided with a rotating rod, the upper surface of the reciprocating plate is symmetrically and fixedly provided with a support, two reciprocating shafts are rotatably arranged in the two supports, the outer side of one of the supports is fixedly provided with a servo motor, the output section of the servo motor is fixedly connected with one of the reciprocating shafts, the outer surface of the reciprocating shaft is provided with a reciprocating groove, one end of the rotating rod is fixedly provided with a ball, the ball is clamped in the reciprocating groove, and the one end of the rotating rod is fixedly provided with a spray head.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] The utility model discloses a stirring arc piece and stirring rod piece arranged in the reaction bucket can fully stir the material, the contact between reactants is more sufficient, thereby the rate of phosphorus oxychloride chlorination reaction is accelerated, the reaction efficiency is improved, and the reaction time is reduced, the quenching agent can be evenly sprayed to each part in the reaction bucket in the reciprocating swing process of the spray head, the quenching agent is fully mixed with the reaction product, the quenching process is more thorough, the situation that local reaction is insufficient is effectively avoided, and the quenching effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, below will be to the embodiment or prior art description needed to use the drawing briefly introduced, obviously, below description's drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0012] Fig. 1 It is the whole structure schematic diagram of the utility model.

[0013] Fig. 2 It is the reaction bucket section and related structure explosion drawing of the utility model.

[0014] Fig. 3 It is the upper side structure schematic diagram of the reciprocating plate of the utility model.

[0015] In the drawing: 1, bottom plate;2, reaction bucket;21, feed hopper;22, support shaft;23, DC motor;24, speed reducer;25, guard plate;26, rotating column;27, stirring arc piece;28, stirring rod piece;29, feeding pipe;3, reciprocating plate;31, support;32, reciprocating shaft;33, servo motor;34, support frame;35, rotating rod;36, reciprocating groove;37, ball;38, spray head;39, threaded pipe. DETAILED DESCRIPTION

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Example: Figs. 1-3 As shown, this utility model provides a safe quenching device for phosphorus oxychloride after chlorination, including a base plate 1. A reaction tank 2 and a reciprocating plate 3 are fixedly mounted on the upper surface of the base plate 1. A discharge trough is opened on one side of the reaction tank 2, and a discharge pipe and a plug can be installed to control whether the material is discharged. A feeding hopper 21 is fixedly mounted on the upper surface of the reaction tank 2. The feeding hopper 21 is designed as a funnel shape that is wider at the top and narrower at the bottom. This design facilitates the pouring of materials and prevents the materials from spilling. A feeding pipe 29 is connected to the upper part of the outer surface of the reaction tank 2. Support shafts 22 are symmetrically fixed on both sides of the reaction tank 2. A rotating column 26 is rotatably mounted inside the reaction tank 2, and both ends of the rotating column 26 penetrate the reaction tank 2 and are rotatably connected to the corresponding support shaft 22. A DC motor 23 and a reducer 24 are mounted on one side of the reaction tank 2. A guard plate 25 is fixedly mounted on one side of the base plate 1. The DC motor 23 and the reducer 24 are both fixedly connected to the guard plate 25. The output end of the DC motor 23 is connected to the reducer 24, and the reducer 24... The output end of 4 is fixedly connected to the rotating column 26. The outer surface of the rotating column 26 is fixedly provided with stirring arc blades 27 and several stirring rods 28. The material is added to the reaction tank 2 through the feed hopper 21, or specific reactants can be added to the reaction tank 2 through the feed pipe 29. The reactants may include phosphorus oxychloride and other substances that participate in the chlorination reaction. The rotating column 26 rotates in the reaction tank 2 under the support of the support shaft 22. As the rotating column 26 rotates, the stirring arc blades 27 and several stirring rods 28 fixed on its outer surface also rotate together. The stirring arc blades 27 and stirring rods 28 stir the material in the reaction tank 2, so that the material is fully mixed and promotes the chlorination reaction of phosphorus oxychloride.

[0018] The lower surface side of the reciprocating plate 3 is fixedly connected with the feeding hopper 21, the upper side of the reciprocating plate 3 is rotatably provided with a rotating rod 35, the upper surface of the reciprocating plate 3 is fixedly provided with a supporting frame 34, the upper surface of the supporting frame 34 is rotatably connected with the rotating rod 35, the upper surface of the reciprocating plate 3 is symmetrically fixedly provided with a support 31, the inside of the two supports 31 is rotatably provided with a reciprocating shaft 32, the outside of one of the supports 31 is fixedly provided with a servo motor 33, the output section of the servo motor 33 is fixedly connected with one of the reciprocating shafts 32, the outer surface of the reciprocating shaft 32 is provided with a reciprocating groove 36, one end of the rotating rod 35 is fixedly provided with a ball 37, the ball 37 is clamped in the reciprocating groove 36, one end of the rotating rod 35 is fixedly provided with a spray head 38, the type of the spray head 38 can be selected according to the properties of the quenching agent and the spraying requirements, for example, for liquid quenching agent, an atomizing spray head can be selected, so that the quenching agent can be uniformly sprayed in the form of mist into the reaction bucket, the upper end of the spray head 38 is connected with a threaded pipe 39, after the chlorination reaction is completed, the reaction product needs to be quenched, the quenching agent supply device is connected through the threaded pipe 39, the quenching agent is delivered to the spray head 38, the servo motor 33 is started, the servo motor 33 drives the reciprocating shaft 32 to rotate, because the outer surface of the reciprocating shaft 32 is provided with the reciprocating groove 36, and the ball 37 at one end of the rotating rod 35 is clamped in the reciprocating groove 36, when the reciprocating shaft 32 rotates, the ball 37 will reciprocate in the reciprocating groove 36, thereby driving the rotating rod 35 to reciprocate, the rotating rod 35 drives the spray head 38 to reciprocate, so that the spray head 38 can uniformly spray the quenching agent into the reaction bucket 2 and fully contact with the reaction product, achieving the purpose of safe quenching.

[0019] Working principle: the material is added to the reaction bucket 2 through the feeding hopper 21, or specific reactants can be added to the reaction bucket 2 through the feeding pipe 29, the reactants may include phosphorus oxychloride and other substances participating in the chlorination reaction, the rotating column 26 rotates in the reaction bucket 2 under the support of the supporting shaft 22, with the rotation of the rotating column 26, the stirring arc pieces 27 and the plurality of stirring rod pieces 28 fixed on the outer surface thereof also rotate together, the stirring arc pieces 27 and the stirring rod pieces 28 stir the material in the reaction bucket 2, so that the material is fully mixed and the chlorination reaction of phosphorus oxychloride is promoted;

[0020] When the chlorination reaction is completed, the reaction product needs to be quenched, a quenching agent supply device is connected through the threaded pipe 39, the quenching agent is delivered to the spray head 38, the servo motor 33 is started, the servo motor 33 drives the reciprocating shaft 32 to rotate, the outer surface of the reciprocating shaft 32 is provided with a reciprocating groove 36, and the ball 37 at one end of the rotating rod 35 is clamped in the reciprocating groove 36, when the reciprocating shaft 32 rotates, the ball 37 will reciprocate in the reciprocating groove 36, thereby driving the rotating rod 35 to reciprocate, the rotating rod 35 drives the spray head 38 to reciprocate, so that the spray head 38 can uniformly spray the quenching agent into the reaction bucket 2, and fully contact with the reaction product, so as to achieve the purpose of safe quenching.

[0021] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.

Claims

1. A device for safe quenching after chlorination of phosphorus oxychloride, comprising a base plate (1), characterised in that: The upper surface of the bottom plate (1) is fixedly provided with a reaction bucket (2) and a reciprocating plate (3), the upper surface of the reaction bucket (2) is fixedly provided with an inlet hopper (21), the two sides of the reaction bucket (2) are fixedly provided with support shafts (22) in symmetry, a rotating column (26) is rotatably arranged in the reaction bucket (2), both ends of the rotating column (26) penetrate through the reaction bucket (2) and are rotatably connected with the corresponding support shaft (22), one side of the reaction bucket (2) is provided with a DC motor (23) and a speed reducer (24), the output end of the DC motor (23) is connected with the speed reducer (24), and the output end of the speed reducer (24) is fixedly connected with the rotating column (26), and the outer surface of the rotating column (26) is fixedly provided with stirring arc pieces (27).

2. The phosphorus oxychloride post-chlorination safe quenching apparatus of claim 1, wherein: The upper side of the reciprocating plate (3) is rotatably provided with a rotating rod (35), the upper surface of the reciprocating plate (3) is fixedly provided with supports (31) in symmetry, two supports (31) are rotatably provided with reciprocating shafts (32) in the two supports (31), the outer side of one of the supports (31) is fixedly provided with a servo motor (33), and the output section of the servo motor (33) is fixedly connected with one of the reciprocating shafts (32), the outer surface of the reciprocating shaft (32) is provided with a reciprocating groove (36), one end of the rotating rod (35) is fixedly provided with a ball (37), and the ball (37) is clamped in the reciprocating groove (36), one end of the rotating rod (35) is fixedly provided with a spray head (38).

3. The phosphorus oxychloride post-chlorination safe quenching apparatus of claim 1, wherein: The outer surface of the rotating column (26) is fixedly provided with a plurality of stirring rod pieces (28).

4. The phosphorus oxychloride post-chlorination safe quenching apparatus of claim 1, wherein: The outer surface of the reaction bucket (2) is connected with a feeding pipe (29) in the upper part.

5. The phosphorus oxychloride post-chlorination safe quenching apparatus of claim 1, wherein: One side of the bottom plate (1) is fixedly provided with a guard plate (25), and the DC motor (23) and the speed reducer (24) are fixedly connected with the guard plate (25).

6. The phosphorus oxychloride post-chlorination safe quenching apparatus of claim 1, wherein: The lower surface of the reciprocating plate (3) is fixedly connected with the inlet hopper (21).

7. The phosphorus oxychloride post-chlorination safe quenching apparatus of claim 2, wherein: The upper surface of the reciprocating plate (3) is fixedly provided with a support frame (34), and the upper surface of the support frame (34) is rotatably connected with the rotating rod (35).

8. The phosphorus oxychloride post-chlorination safe quenching apparatus of claim 2, wherein: The upper end of the spray head (38) is connected with a threaded pipe (39).

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