Phosphorus pentachloride production device

Abstract

The utility model relates to the technical field of phosphorus pentachloride production devices, in particular to a phosphorus pentachloride production device which comprises a reaction box and a cover body covering the upper end of the reaction box, a stirring assembly is arranged on the cover body, and a filtering unit is arranged at the upper end of the cover body. The filtering unit comprises a shell and a Z-shaped plate, the shell is fixedly connected with the cover body, the Z-shaped plate is fixed with the shell through a fixing assembly, and a chlorine supply assembly is arranged on the lower side of the reaction box. Meanwhile, chlorine is continuously conveyed into the reaction box through the chlorine supply assembly and filtered through the filtering unit, a Z-shaped plate sealing structure is adopted, when activated carbon in a filtering frame is replaced, the lower side plate face of a Z-shaped plate can automatically seal the reaction box, chlorine leakage is effectively prevented, and the safety and operation convenience of the device are remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to phosphorus pentachloride production device technical field especially relates to a phosphorus pentachloride production device. BACKGROUND

[0002] Phosphorus pentachloride is a kind of white or light yellow crystalline solid, has pungent smell, is produced by the reaction of phosphorus trichloride and chlorine, and the function is as strong chlorinating agent and dehydrating agent, is widely used in organic synthesis and inorganic chemistry field.

[0003] Such as prior art china patent announcement number "CN219816227U" discloses a kind of production phosphorus pentachloride's reaction kettle, including reaction kettle body, first bearing is installed on the upper end wall plate of reaction kettle body, rotating shaft is sleeved in first bearing, first vent hole is formed in rotating shaft, a plurality of stirring impellers are integrally formed on the outer side of rotating shaft, second vent hole is formed in stirring impeller, second vent hole and first vent hole are communicated, first atomizing nozzle is installed at the front end of stirring impeller, second atomizing nozzle is installed at the lower end of the lowermost end stirring impeller, second bearing is sleeved on rotating shaft.

[0004] Most of the existing reaction kettle in the treatment phosphorus pentachloride synthesis reaction, usually by stirring device promotes the full contact of phosphorus trichloride and chlorine, however, reaction kettle lacks the mechanism for processing residual chlorine, so that it will cause the chlorine not involved in the reaction to escape directly after reaction, which not only reduces raw material utilization, but also may cause health hazards to operators due to chlorine leakage, and there are significant safety hazards. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the above-mentioned shortcomings in the prior art and provides a phosphorus pentachloride production device.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] A phosphorus pentachloride production device is designed, which comprises a reaction box and a cover body covering the upper end of the reaction box, a stirring assembly is arranged on the cover body, and a filter unit is arranged at the upper end of the cover body.

[0008] The filter unit comprises an outer shell fixedly connected with the cover body and a Z-shaped plate, the Z-shaped plate is fixed with the outer shell through a fixing assembly, and the lower side of the reaction box is provided with a chlorine supply assembly.

[0009] Further, the Z-shaped plate is slidingly connected in the outer shell, a sliding groove is formed in one end of the Z-shaped plate, and a filter frame is slidingly connected in the sliding groove.

[0010] Further, the upper side of the filter frame is provided with a filter screen, and the upper end of the filter frame is provided with a insertion hole, and the end surface of the filter screen is formed with an insertion rod, and the insertion hole is inserted with the insertion rod.

[0011] Further, the stirring assembly comprises a stirring rod and a motor fixedly connected to the upper end of the cover body, and the peripheral surface of the stirring rod is provided with a plurality of propellers, and the shaft end of the motor penetrates the cover body and is fixedly connected with the stirring rod.

[0012] Further, the fixing assembly comprises a U-shaped plate fixedly connected with the shell, and a positioning column penetrating the shell, and the two ends of the U-shaped plate are rotatably connected with a connecting rod, and the connecting rod is provided with a slot at one end, and the connecting rod and the shell are fixedly connected with a spring, and the one end of the positioning column is slidably connected with the slot through a rotating shaft, and one side of the filter frame is provided with a hole matched with the positioning column.

[0013] Further, the chlorine supply assembly comprises an air charging pump arranged on one side of the reaction box and a connecting pipe communicated into the reaction box, one end of the connecting pipe is connected with the air charging pump, the other end of the connecting pipe is fixedly connected with an air stone, and the connecting pipe and the air stone are fixedly connected with a one-way valve.

[0014] The phosphorus pentachloride production device has the advantages that: the chlorine gas and the phosphorus trichloride are fully mixed and reacted through the stirring assembly, the chlorine gas is continuously supplied into the reaction box through the chlorine supply assembly, the chlorine gas is filtered through the filtering unit, the Z-shaped plate sealing structure is adopted, the lower plate surface of the Z-shaped plate can automatically close the reaction box when the activated carbon in the filter frame is replaced, the chlorine gas leakage is effectively prevented, and the safety and the operation convenience of the device are significantly improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective view of the utility model;

[0016] Figure 2 It is a sectional view of the utility model;

[0017] Figure 3 It is an enlarged schematic view of the filtering unit structure of the utility model;

[0018] Figure 4 It is an enlarged schematic view of the fixing assembly structure of the utility model.

[0019] In the figure: 1, reaction box; 11, cover; 2, stirring assembly; 21, stirring rod; 22, propeller; 23, motor; 3, chlorine supply assembly; 31, air charging pump; 32, connecting pipe; 33, air stone; 34, one-way valve; 4, filter unit; 41, housing; 42, Z-shaped plate; 43, sliding slot; 44, filter frame; 45, filter screen; 46, insertion hole; 47, insertion rod; 5, fixing assembly; 51, U-shaped plate; 52, connecting rod; 53, linear slot; 54, positioning column; 55, spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0021] Referring to Figures 1-4 A phosphorus pentachloride production device, comprising a reaction box 1 and a cover 11 covering the upper end of the reaction box 1, a stirring assembly 2 is arranged on the cover 11, and a filter unit 4 is arranged on the upper end of the cover 11.

[0022] The filter unit 4 comprises a housing 41 fixedly connected with the cover 11 and a Z-shaped plate 42, the Z-shaped plate 42 is fixed with the housing 41 through a fixing assembly 5, and the lower side of the reaction box 1 is provided with a chlorine supply assembly 3, wherein the cover 11 is fixed with the reaction box 1 through bolts, the cover 11 is provided with a feeding valve, and the lower side of the reaction box 1 is provided with a discharging valve.

[0023] It should be noted that the Z-shaped plate 42 is slidingly connected in the housing 41, one end of the Z-shaped plate 42 is provided with a sliding slot 43, the sliding slot 43 is slidingly connected with a filter frame 44, the lower side plate of the Z-shaped plate 42 is slidingly connected with the housing 41 through a guide groove and a guide block, and a sealing strip is arranged between the guide groove and the guide block, wherein one side of the housing 41 is provided with an opening, and the upper end surface of the Z-shaped plate 42 is slidingly connected with the opening.

[0024] In the embodiment, the upper side of the filter frame 44 is provided with a filter screen 45, the upper end of the filter frame 44 is provided with a insertion hole 46, the end surface of the filter screen 45 is formed with an insertion rod 47, the insertion hole 46 is inserted with the insertion rod 47, the filter screen 45 and the filter frame 44 are fixed through the insertion hole 46 and the insertion rod 47, the filter screen 45 is removed to replace the activated carbon in the filter frame 44, after the replacement is completed, the filter screen 45 and the filter frame 44 are repositioned through the insertion hole 46 and the insertion rod 47, then the filter frame 44 is inserted into the sliding groove 43, the filter screen 45 is positioned up and down, then the Z-shaped plate 42 is pushed back and fixed through the fixing assembly 5, the filter frame 44 is in contact with the sliding groove 43 after the Z-shaped plate 42 is pushed back, so it will not fall off, and the outer side of the Z-shaped plate 42 and the outer shell 41 are provided with sealing sleeves, and the lower side of the filter frame 44 is in the same height with the lower side of the Z-shaped plate 42, so that the chlorine gas is prevented from leaking out when the filter frame 44 is replaced.

[0025] Further, the stirring assembly 2 comprises a stirring rod 21 and a motor 23 fixedly connected to the upper end of the cover body 11, a plurality of propellers 22 are arranged on the peripheral surface of the stirring rod 21, and the shaft end of the motor 23 penetrates the cover body 11 and is fixedly connected with the stirring rod 21. The motor 23 rotates with the stirring rod 21 and the propellers 22 to fully react the chlorine gas and the phosphorus trichloride.

[0026] The fixing assembly 5 comprises a U-shaped plate 51 fixedly connected with the outer shell 41 and a positioning column 54 penetrating the outer shell 41, a connecting rod 52 is rotatably connected between the two ends of the U-shaped plate 51, a T-shaped slot 53 is formed in one end of the connecting rod 52, springs 55 are fixedly connected between the connecting rod 52 and the outer shell 41, one end of the positioning column 54 is slidably connected in the T-shaped slot 53 through a rotating shaft, and one side of the filter frame 44 is provided with two holes adapted to the positioning column 54, wherein the holes are provided with two, which correspond to the lower side plate block of the Z-shaped plate 42 and the outer shell 41 to seal the reaction box 1, and the upper side plate block of the Z-shaped plate 42 and the outer shell 41 to filter the internal chlorine gas. By pressing the connecting rod 52, the positioning column 54 is lifted, the Z-shaped plate 42 can be moved out, the filter frame 44 is replaced, after the replacement is completed, the filter frame 44 is pushed back into the sliding groove 43, then the Z-shaped plate 42 is pushed back into the outer shell 41, and the Z-shaped plate 42 is reconnected through the positioning column 54.

[0027] On the basis of the above-mentioned embodiments, the chlorine supply assembly 3 comprises an air charging pump 31 arranged on one side of the reaction box 1, and a connecting pipe 32 communicated to the reaction box 1, one end of the connecting pipe 32 is connected with the air charging pump 31, the other end of the connecting pipe 32 is fixedly connected with an air stone 33, a one-way valve 34 is fixedly connected between the connecting pipe 32 and the air stone 33, and the other end of the air charging pump 31 is connected with a chlorine storage tank through a pipeline.

[0028] The working mode is as follows: when working, the Z-shaped plate 42 is pulled outwards to make the lower plate block cooperate with the shell 41 to seal the reaction box 1, the Z-shaped plate 42 is used to fill the phosphorus trichloride liquid into the reaction box 1, then the motor 23 is started to stir, the air charging pump 31 is started to supply chlorine to the reaction box 1, after the reaction is completed, the connecting rod 52 is pressed to make the positioning column 54 lift out, then the Z-shaped plate 42 is pushed in, so that the activated carbon in the filter frame 44 is used to filter the excessive chlorine gas and waste gas possibly generated in the reaction process, and the phosphorus pentachloride can be safely taken out after the filtration is completed.

[0029] The above-mentioned is only the preferable specific implementation mode of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A phosphorus pentachloride production device comprising a reaction box (1) and a cover (11) covering the upper end of the reaction box (1), characterized in that: The cover body (11) is provided with a stirring assembly (2), and the upper end of the cover body (11) is provided with a filtering unit (4); The filtering unit (4) comprises a shell (41) fixedly connected with the cover body (11) and a Z-shaped plate (42) fixed with the shell (41) through a fixing assembly (5), and the lower side of the reaction box (1) is provided with a chlorine supply assembly (3).

2. A phosphorus pentachloride production apparatus according to claim 1, characterized in that: The Z-shaped plate (42) is slidingly connected in the shell (41), one end of the Z-shaped plate (42) is provided with a sliding groove (43), and the sliding groove (43) is slidingly connected with a filtering frame (44).

3. A phosphorus pentachloride production apparatus according to claim 2, characterized in that: The upper side of the filtering frame (44) is provided with a filter screen (45), the upper end of the filtering frame (44) is provided with a insertion hole (46), the end surface of the filter screen (45) is formed with an insertion rod (47), and the insertion hole (46) is inserted with the insertion rod (47).

4. A phosphorus pentachloride production apparatus according to claim 1, characterized in that: The stirring assembly (2) comprises a stirring rod (21) and a motor (23) fixedly connected with the upper end of the cover body (11), a plurality of propellers (22) are arranged on the peripheral surface of the stirring rod (21), and the shaft end of the motor (23) penetrates the cover body (11) and is fixedly connected with the stirring rod (21).

5. A phosphorus pentachloride production apparatus according to claim 3, characterized in that: The fixing assembly (5) comprises a U-shaped plate (51) fixedly connected with the shell (41) and a positioning column (54) penetrating the shell (41), the two ends of the U-shaped plate (51) are rotatably connected with a connecting rod (52), one end of the connecting rod (52) is provided with a one-way slot (53), the connecting rod (52) and the shell (41) are fixedly connected with a spring (55), one end of the positioning column (54) is slidingly connected in the one-way slot (53) through a rotating shaft, and one side of the filtering frame (44) is provided with a hole matched with the positioning column (54).

6. A phosphorus pentachloride production apparatus according to claim 1, characterized in that: The chlorine supply assembly (3) comprises an air charging pump (31) arranged on one side of the reaction box (1) and a connecting pipe (32) communicated into the reaction box (1), one end of the connecting pipe (32) is connected with the air charging pump (31), the other end of the connecting pipe (32) is fixedly connected with an air stone (33), and the connecting pipe (32) and the air stone (33) are fixedly connected with a one-way valve (34).

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