Phosphorus trichloride feeding device

Abstract

The utility model discloses a phosphorus trichloride feeding device which comprises a feeding frame body and a liquid storage cylinder, the liquid storage cylinder is arranged at the top of the feeding frame body, a feeding pipe is arranged on one side of the liquid storage cylinder, a servo motor is arranged at the bottom of the feeding frame body, an output shaft of the servo motor is in transmission connection with a first gear, and two arc-shaped plates are arranged at the bottom of the feeding frame body. Wherein a second gear is arranged on one side of one arc-shaped plate, a positioning plate is arranged at one end of the second gear, a corrugated pipe is arranged at the bottom of the liquid storage cylinder, the corrugated pipe, the fan-shaped spraying plate, the spraying nozzle, the first gear, the second gear and the positioning plate are arranged, and the corrugated pipe is formed by combining foldable corrugated sheets, so that after being stressed, the fan-shaped spraying plate, the spraying nozzle, the first gear, the second gear and the positioning plate are fixed; when the feeding device is used for feeding phosphorus trichloride, extension, stretching and compression deformation can be achieved, the Z-shaped plate and the fan-shaped spraying plate are driven to turn over by an angle, more uniform mixing of liquid and gas can be achieved through the design of the fan-shaped spraying plate, finer liquid drops are generated, and the spraying range of the feeding device to phosphorus trichloride is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of feeding devices, in particular to a phosphorus trichloride feeding device. Background Art

[0002] Phosphorus trichloride is an inorganic compound with the chemical formula PCl3. It is a colorless and transparent liquid. It is mainly used to manufacture organic phosphorus compounds and is also used as a reagent. In the production of phosphorus pentachloride, phosphorus trichloride and chlorine are often used to react in a reactor. Phosphorus trichloride is generally transported to the interior of the reactor through a feeding device, which is generally equipped with a booster pump and an atomizing nozzle.

[0003] A phosphorus trichloride feeding device is disclosed in the patent with publication number CN219879859U, which includes a phosphorus trichloride high-level tank, a feed pipe is installed at the lower end of the phosphorus trichloride high-level tank, a Y-type filter is installed at one end of the feed pipe away from the phosphorus trichloride high-level tank, a filter screen is installed in the Y-type filter, a booster pump is installed at one end of the Y-type filter away from the feed pipe, and the Y-type filter is installed at the liquid inlet of the booster pump.

[0004] In the above technology, the pressurized phosphorus trichloride is atomized by an atomizing nozzle and then sprayed into the reactor to contact with chlorine gas. However, the atomizing nozzle has a specific angle, so the spraying range of the phosphorus trichloride is relatively limited, the phosphorus trichloride and the gas are not mixed evenly, and the droplets are not fine enough, which reduces the quality of the phosphorus trichloride reaction. Therefore, innovation is made in this technology. Summary of the invention

[0005] The utility model aims to provide a phosphorus trichloride feeding device to solve the problem in the above background technology that the spraying range of phosphorus trichloride is relatively limited due to the specific angle of the atomizing nozzle.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a phosphorus trichloride feeding device, comprising a feeding frame and a liquid storage cylinder, the liquid storage cylinder is arranged on the top of the feeding frame, a feeding pipe is arranged on one side of the liquid storage cylinder, a servo motor is arranged at the bottom of the feeding frame, the output shaft of the servo motor is connected to the first gear, two arc plates are arranged at the bottom of the feeding frame, a second gear is arranged on one side of one of the arc plates, a positioning plate is arranged at one end of the second gear, a bellows is arranged at the bottom of the liquid storage cylinder, an auxiliary pipe is arranged at one end of the bellows, a fan-shaped spray plate is arranged at one end of the auxiliary pipe, a corrosion-resistant layer is arranged inside the fan-shaped spray plate, and a wear-resistant layer is arranged inside the fan-shaped spray plate.

[0007] As a preferred technical solution of the present utility model, the second gear is located on one side of the first gear, and one end of the positioning plate is fixedly connected to one side of the second gear.

[0008] As a preferred technical solution of the present utility model, the first gear is meshedly connected with the second gear.

[0009] As a preferred technical solution of the utility model, the top end of the fan-shaped spray plate is fixedly and interlacedly connected with one end of the auxiliary pipe, and the bottom end of the fan-shaped spray plate is fixedly and interlacedly connected with a plurality of spray nozzles.

[0010] As a preferred technical solution of the utility model, the positions of the plurality of spray nozzles are arranged at equal intervals.

[0011] As a preferred technical solution of the utility model, an extension rod is fixedly installed on the front side of the fan-shaped spray plate, and a Z-shaped plate is arranged at the bottom end of the positioning plate.

[0012] As a preferred technical solution of the utility model, one side of the Z-shaped plate is fixedly connected to the top end of the extension rod.

[0013] As a preferred technical solution of the utility model, the length of the positioning plate is smaller than the length of the Z-shaped plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model discloses a phosphorus trichloride feeding device. The utility model is provided with a bellows, a fan-shaped spray plate, a spray nozzle, a first gear, a second gear and a positioning plate. The bellows is composed of a combination of foldable corrugated sheets, so that after being subjected to force, it can be stretched, stretched and compressed. A booster pump is installed on one side of a liquid storage cylinder, and the phosphorus trichloride can be guided to the inside of a plurality of spray nozzles through an auxiliary pipe. After the servo motor is started, the first gear can be driven to rotate, thereby driving the second gear meshing with the first gear to rotate, and then driving the Z-shaped plate and the fan-shaped spray plate to flip the angle. The design of the fan-shaped spray plate can realize more uniform mixing of liquid and gas, generate more fine droplets, and increase the range of the feeding device spraying the phosphorus trichloride.

[0016] The utility model discloses a phosphorus trichloride feeding device. An auxiliary pipe, a corrosion-resistant layer, a wear-resistant layer and an arc-shaped plate are arranged. After the second gear is meshed with the first gear, the positioning plate is driven to rotate at the same time, so the inclination angle of the fan-shaped spray plate can be stably adjusted. The corrosion-resistant layer is made of heat-resistant steel and has good corrosion resistance, thereby extending the service life of the fan-shaped spray plate. The wear-resistant layer is made of high manganese steel and has good toughness and impact resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front view structural schematic diagram of the utility model;

[0018] Figure 2It is a partial bottom view structural schematic diagram of the utility model;

[0019] Figure 3 It is a partial front view structural schematic diagram of the utility model;

[0020] Figure 4 It is a partial front view cross-sectional structural schematic diagram of the utility model.

[0021] In the figure: 1. feeding frame; 2. liquid storage cylinder; 3. feeding pipe; 4. servo motor; 5. first gear; 6. arc plate; 7. positioning plate; 8. second gear; 9. bellows; 10. auxiliary pipe; 11. fan-shaped spray plate; 12. spray nozzle; 13. extension rod; 14. Z-shaped plate; 15. corrosion-resistant layer; 16. wear-resistant layer. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides a technical solution of a phosphorus trichloride feeding device: Example

[0024] like Figure 1-3 As shown, a phosphorus trichloride feeding device comprises a feeding frame 1 and a liquid storage cylinder 2, the liquid storage cylinder 2 is arranged on the top of the feeding frame 1, a feeding pipe 3 is arranged on one side of the liquid storage cylinder 2, a servo motor 4 is arranged at the bottom of the feeding frame 1, the output shaft of the servo motor 4 is connected to a first gear 5, two arc plates 6 are arranged at the bottom of the feeding frame 1, a second gear 8 is arranged on one side of one of the arc plates 6, a positioning plate 7 is arranged at one end of the second gear 8, a bellows 9 is arranged at the bottom of the liquid storage cylinder 2, and an auxiliary Auxiliary pipe 10, one end of the auxiliary pipe 10 is provided with a fan-shaped spray plate 11, the interior of the fan-shaped spray plate 11 is provided with a corrosion-resistant layer 15, and the interior of the fan-shaped spray plate 11 is provided with a wear-resistant layer 16. After starting the servo motor 4, it can drive the first gear 5 to rotate, thereby driving the second gear 8 meshing with it to rotate, and then driving the Z-plate 14 and the fan-shaped spray plate 11 to flip the angle. The design of the fan-shaped spray plate 11 can achieve a more uniform mixing of liquid and gas, produce finer droplets, and increase the range of the feeding device to spray phosphorus trichloride. Example

[0025] Based on the first embodiment, Figure 1 and Figure 4 As shown, an extension rod 13 is fixedly installed on the front of the fan-shaped spray plate 11, and a Z-shaped plate 14 is arranged at the bottom end of the positioning plate 7. The length of the positioning plate 7 is less than the length of the Z-shaped plate 14. The utility model is a phosphorus trichloride feeding device. By arranging an auxiliary pipe 10, a corrosion-resistant layer 15, a wear-resistant layer 16 and an arc plate 6, after the second gear 8 is meshed with the first gear 5, it drives the positioning plate 7 to rotate at the same time, so the inclination angle of the fan-shaped spray plate 11 can also be stably adjusted. The corrosion-resistant layer 15 is made of heat-resistant steel and has good corrosion resistance.

[0026] Working principle: Phosphorus trichloride is an inorganic compound with the chemical formula PCl3. It is a colorless and transparent liquid. It is mainly used to manufacture organic phosphorus compounds and is also used as a reagent. In the production of phosphorus pentachloride, phosphorus trichloride and chlorine are often used to react in a reactor. Phosphorus trichloride is generally transported to the inside of the reactor through a feeding device. The feeding device is generally equipped with a booster pump and an atomizing nozzle. The bellows 9 is composed of a foldable corrugated sheet. Therefore, after being stressed, it can be stretched and compressed. A booster pump is installed on one side of the liquid storage cylinder 2, which can guide phosphorus trichloride to the inside of several spray nozzles 12 through an auxiliary pipe 10. After starting the servo motor 4, it can drive the first gear 5 to rotate, from The second gear 8 meshing with it is driven to rotate, and then the Z-plate 14 and the fan-shaped spray plate 11 are driven to flip the angle. The design of the fan-shaped spray plate 11 can achieve a more uniform mixing of liquid and gas, produce finer droplets, increase the range of spraying of phosphorus trichloride by the feeding device, optimize the atomization effect, and improve the quality of subsequent reactions of phosphorus trichloride. After the second gear 8 is meshed with the first gear 5, it drives the positioning plate 7 to rotate at the same time, so the inclination angle of the fan-shaped spray plate 11 can also be stably adjusted. The corrosion-resistant layer 15 is made of heat-resistant steel and has good corrosion resistance, thereby extending the service life of the fan-shaped spray plate 11. The wear-resistant layer 16 is made of high manganese steel and has good toughness and impact resistance.

[0027] In the description of the present invention, it is necessary to understand that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and 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 cannot be understood as a limitation on the present invention.

[0028] In the present invention, unless otherwise clearly stipulated and limited, for example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, for ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A phosphorus trichloride feeding device, comprising a feeding frame (1) and a liquid storage cylinder (2), wherein the liquid storage cylinder (2) is arranged on the top of the feeding frame (1), characterized in that: A feeding pipe (3) is arranged on one side of the liquid storage cylinder (2), a servo motor (4) is arranged at the bottom of the feeding frame (1), and the output shaft of the servo motor (4) is drivingly connected to a first gear (5), and two arc-shaped plates (6) are arranged at the bottom of the feeding frame (1), and a second gear (8) is arranged on one side of one of the arc-shaped plates (6), and a positioning plate (7) is arranged at one end of the second gear (8), and a bellows (9) is arranged at the bottom of the liquid storage cylinder (2), and an auxiliary pipe (10) is arranged at one end of the bellows (9), and a fan-shaped spray plate (11) is arranged at one end of the auxiliary pipe (10), and a corrosion-resistant layer (15) is arranged inside the fan-shaped spray plate (11), and a wear-resistant layer (16) is arranged inside the fan-shaped spray plate (11).

2. A phosphorus trichloride feeding device according to claim 1, characterized in that: The second gear (8) is located on one side of the first gear (5), and one end of the positioning plate (7) is fixedly connected to one side of the second gear (8).

3. A phosphorus trichloride feeding device according to claim 2, characterized in that: The first gear (5) is meshingly connected with the second gear (8).

4. A phosphorus trichloride feeding device according to claim 1, characterized in that: The top end of the fan-shaped spray plate (11) is fixedly connected to one end of the auxiliary pipe (10), and the bottom end of the fan-shaped spray plate (11) is fixedly connected to a plurality of spray nozzles (12).

5. A phosphorus trichloride feeding device according to claim 4, characterized in that: The plurality of spray nozzles (12) are arranged at equal intervals.

6. A phosphorus trichloride feeding device according to claim 1, characterized in that: An extension rod (13) is fixedly mounted on the front side of the fan-shaped spray plate (11), and a Z-shaped plate (14) is arranged at the bottom end of the positioning plate (7).

7. A phosphorus trichloride feeding device according to claim 6, characterized in that: One side of the Z-shaped plate (14) is fixedly connected to the top end of the extension rod (13).

8. A phosphorus trichloride feeding device according to claim 6, characterized in that: The length of the positioning plate (7) is smaller than the length of the Z-shaped plate (14).

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