Reaction device for industrial preparation of black phosphorus crystals

Abstract

The utility model discloses a reaction device for industrial preparation of black phosphorus crystals, which comprises a tank body and an upper cover mounted at the upper end of the tank body, a plurality of convex parts are arranged at the bottom in the tank body, a plurality of cylindrical bodies are arranged on the lower side of the upper cover, and the cylindrical bodies extend into the tank body after the upper cover is mounted at the upper end of the tank body. The bottom of the tank body is provided with the lug boss, so that the heating area is increased, and the material temperature of a material central area is increased, thereby improving the yield; by arranging the columnar body on the lower side of the upper cover, black phosphorus nucleation sites are increased, so that a thin block crystal which is easy to remove impurities is obtained.

Description

TECHNICAL FIELD

[0001] The utility model relates to black phosphorus preparation technical field especially is related to a reaction device for black phosphorus crystal industrial preparation. BACKGROUND

[0002] Black phosphorus is a new fine phosphorus chemical product that has been widely concerned in recent years, and is a polymorph of white phosphorus, red phosphorus and purple phosphorus. Its special honeycomb structure endows black phosphorus with many excellent properties.

[0003] At present, the preparation methods of black phosphorus include gas phase method, liquid phase method and solid phase method. The solid phase method includes mechanical ball milling method, high pressure method, mineralization method and bismuth melting method, and the gas phase method includes gas phase deposition method.

[0004] Among them, the advantage of the mineralization method for preparing black phosphorus is that the reaction is stable and the cost is low, the yield of single production is high, and it is suitable for industrialization. However, the shortcomings of the reaction device affect the further industrialization application. The main shortcomings of the existing reaction device are: 1. The heating area of the bottom of the reaction device is limited, and the temperature of the material in the center area is low during heating, which affects the yield of black phosphorus; 2. Because the nucleation of black phosphorus is at the top of the reaction device, the thickness of the black scale crystal is thick, and the subsequent impurity removal is difficult. In order to solve the above problems, the present application provides a reaction device for industrialized preparation of black phosphorus crystal. UTILITY MODEL CONTENTS

[0005] In order to solve the existing technical problems, the main purpose of the utility model is to provide a reaction device for industrialized preparation of black phosphorus crystal. By arranging the protruding parts at the bottom of the tank body, the heating area is increased, the temperature of the material in the center area is increased, and the yield is increased. By arranging the columnar bodies on the lower side of the upper cover, the nucleation sites of black phosphorus are increased, and thin block crystals easy to remove impurities are obtained.

[0006] In order to overcome the problems existing in the prior art, the technical scheme adopted by the utility model is: a reaction device for industrialized preparation of black phosphorus crystal, comprising a tank body and an upper cover installed on the upper end of the tank body, a plurality of protruding parts are arranged at the bottom in the tank body, a plurality of columnar bodies are arranged on the lower side of the upper cover, and the columnar bodies extend into the tank body after the upper cover is installed on the upper end of the tank body.

[0007] The protruding parts are in the shape of a circular arc.

[0008] The protruding parts extend to one side of the upper cover.

[0009] The bottom of the tank body is provided with a groove.

[0010] The bottom of the tank body is detachable.

[0011] The bottom of the tank body is open, the outer wall of the bottom of the tank body is provided with a first flange, a plurality of first through holes are arranged on the first flange, a second through hole is arranged on the lower cover, the lower cover is installed on the bottom of the tank body, and the first flange and the lower cover are connected through bolt installation.

[0012] The cylindrical body is welded with the upper cover or is fixed with the upper cover through screw thread connection.

[0013] The upper end outer wall of the tank body is provided with a second flange, a plurality of third through holes are arranged on the second flange, a fourth through hole is arranged on the upper cover, and the upper cover is connected with the second flange through bolt installation.

[0014] The upper cover is provided with a lifting ring on the top.

[0015] The utility model has the advantages of the following beneficial effects:

[0016] 1. The utility model discloses a tank body bottom is provided with the protruding part, increases the heating area, improves the material temperature of material center area, thereby improves the yield, through setting up the cylindrical body on the downside of the upper cover, has increased the black phosphorus nucleation site, thereby obtains the thin block crystal of easy impurity removal.

[0017] 2. The bottom of the tank body is detachable, and the residual in the tank body is convenient to clean. DRAWINGS

[0018] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in prior art, the following will briefly introduce the drawing needed to be used in the specific embodiment or prior art description, and obviously, the drawing in the following description is some embodiments of the utility model, and for ordinary skilled person in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0019] Figure 1 It is the front view structural schematic drawing of the utility model.

[0020] Figure 2 It is the quarter cutaway structural schematic drawing of the utility model.

[0021] Figure 3 It is the structural schematic drawing of the lower cover of the utility model.

[0022] Figure 4 It is the structural schematic drawing of the upper cover of the utility model.

[0023] Figure 5 It is the cutaway structural schematic drawing of the protruding part of the lower cover of the utility model.

[0024] Figure 6 It is the cutaway structural schematic drawing of the protruding part and the recess of the lower cover of the utility model.

[0025] Figure 7 The drawing is a sectional view of the protruding part of the lower cover extending upward.

[0026] Reference signs:

[0027] Tank body 10, second flange 11, first flange 12;

[0028] Upper cover 20, fourth through hole 21, lifting ring 22;

[0029] Cylindrical body 30;

[0030] Lower cover 40, second through hole 41, groove 42;

[0031] Protruding part 50. DETAILED DESCRIPTION

[0032] The technical solutions of the utility model will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0033] Embodiment 1:

[0034] Referring to Figures 1-7 , the utility model provides a reaction device for black phosphorus crystal industrial preparation, including tank body 10 and install upper cover 20 on the upper end of tank body 10, the bottom in tank body 10 is provided with a plurality of protruding parts 50, the lower side of upper cover 20 is provided with a plurality of cylindrical bodies 30, after installing upper cover 20 to the upper end of tank body 10, cylindrical body 30 extends into the tank body 10.

[0035] By setting protruding part 50 at the bottom of tank body 10, increase the heating area, improve the material temperature in the central region of material, so as to improve the yield; by setting cylindrical body 30 at the lower side of upper cover 20, increase black phosphorus nucleation site, so as to obtain the thin block crystal easy to remove impurities.

[0036] In the embodiment, protruding part 50 is arc-shaped.

[0037] Further, referring to Figure 7 , protruding part 50 extends to one side of upper cover 20, so that protruding part 50 is closer to the central region of material.

[0038] Further, referring to Figure 6 , 7 , the bottom of tank body 10 is provided with groove 42. Improve the heating area of the bottom of tank body 10, facilitate to improve the temperature.

[0039] In order to facilitate the installation of the columnar body 30 on the upper cover 20, the columnar body 30 is welded with the upper cover 20 or is fixed by screwing with the upper cover 20.

[0040] When the columnar body 30 is fixed by screwing with the upper cover 20, the upper cover 20 is provided with an internal threaded hole, the upper end of the columnar body 30 is provided with a screw rod structure, and the columnar body 30 is fixed by screwing with the internal threaded hole of the upper cover 20 through the screw rod structure.

[0041] Embodiment 2:

[0042] In order to facilitate the cleaning of the residues in the tank body 10, the bottom of the tank body 10 is detachable.

[0043] In this embodiment, referring to Figure 2 、 3 , the bottom of the tank body 10 is open, the bottom outer wall of the tank body 10 is provided with a first flange 12, a plurality of first through holes are arranged on the first flange 12, a second through hole 41 is arranged on the lower cover 40, the lower cover 40 is installed on the bottom of the tank body 10, and the first flange 12 and the lower cover 40 are connected by bolt sealing installation; the protruding part 50 is arranged on the lower cover 40.

[0044] Embodiment 3:

[0045] In this embodiment, referring to Figure 2 、 4 , the upper end outer wall of the tank body 10 is provided with a second flange 11, a plurality of third through holes are arranged on the second flange 11, the upper cover 20 is in the form of a plate, a fourth through hole 21 is arranged on the upper cover 20, and the upper cover 20 is connected with the second flange 11 by bolt sealing installation.

[0046] Embodiment 4:

[0047] In this embodiment, referring to Figure 1 、 2 , the upper cover 20 is provided with a lifting ring 22 at the top. It is convenient to hoist and transport the reaction device as a whole.

[0048] The working steps or principles of the utility model are as follows:

[0049] Yellow phosphorus or red phosphorus is used as raw material. Since yellow phosphorus or red phosphorus is flammable, the tank body 10 is first filled with inert gas, then yellow phosphorus or red phosphorus is placed in the reactor, a catalyst and a transport agent are added, then the upper cover 20 of the reactor is closed, and the reactor is hoisted and put into a heating furnace through the lifting ring 22. After setting a certain temperature and time, a black phosphorus crystal with high conversion rate can be obtained in the area of the upper cover 20.

[0050] The above-mentioned embodiments are only preferred technical solutions of the present application, and should not be regarded as limiting the present application, and the protection scope of the present application should be the technical solutions recited in the claims, including the equivalent replacement solutions of the technical features recited in the claims as the protection scope. That is, the equivalent replacement improvements within the scope are also within the protection scope of the present application.

Claims

1. A reaction device for industrialized preparation of black phosphorus crystals, comprising a tank body (10) and an upper cover (20) installed on the upper end of the tank body (10), characterized in that: The bottom of the tank body (10) is provided with a plurality of protrusions (50), and the lower side of the upper cover (20) is provided with a plurality of columnar bodies (30). After the upper cover (20) is installed on the upper end of the tank body (10), the columnar bodies (30) extend into the tank body (10). 2.The reaction device for industrialized preparation of black phosphorus crystals according to claim 1, characterized in that: The protrusions (50) are in the shape of a circular arc. 3.The reaction device for industrialized preparation of black phosphorus crystals according to claim 1, characterized in that: The protrusions (50) extend to one side of the upper cover (20). 4.The reaction device for industrialized preparation of black phosphorus crystals according to claim 1, characterized in that: The bottom of the tank body (10) is provided with a groove (42). 5.The reaction device for industrialized preparation of black phosphorus crystals according to any one of claims 1-4, characterized in that: The bottom of the tank body (10) is detachable. 6.The reaction device for industrialized preparation of black phosphorus crystals according to claim 5, characterized in that: The bottom of the tank body (10) is open, the outer wall of the bottom of the tank body (10) is provided with a first flange (12), a plurality of first through holes are arranged on the first flange (12), a second through hole (41) is arranged on the lower cover (40), the lower cover (40) is installed on the bottom of the tank body (10), and the first flange (12) and the lower cover (40) are connected through bolt installation; the protrusions (50) are arranged on the lower cover (40). 7.The reaction device for industrialized preparation of black phosphorus crystals according to claim 1, characterized in that: The columnar bodies (30) are welded with the upper cover (20) or are threadedly screwed and fixed with the upper cover (20). 8.The reaction device for industrialized preparation of black phosphorus crystals according to claim 1 or 7, characterized in that: The outer wall of the upper end of the tank body (10) is provided with a second flange (11), a plurality of third through holes are arranged on the second flange (11), a fourth through hole (21) is arranged on the upper cover (20), and the upper cover (20) is connected with the second flange (11) through bolt installation. 9.The reaction device for industrialized preparation of black phosphorus crystals according to claim 1, characterized in that: A lifting ring (22) is installed on the top of the upper cover (20).

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