Phosphorus trichloride feeding pump

Abstract

The utility model discloses a phosphorus trichloride feed pump which comprises a motor, an anti-corrosion protective cover, a feed pump main body and a liquid suction disc, the anti-corrosion protective cover is arranged on the outer side of the motor, the bottom of the anti-corrosion protective cover is connected with the feed pump main body through a fixing frame, the bottom of the feed pump main body is connected with the liquid suction disc, and the liquid suction disc is connected with the motor. And the pipe connecting head at the end part of the feeding pump main body is connected with a discharging pipe through a bent pipe. The top of the feeding pump body is provided with the fixing frame, the top of the fixing frame is provided with the anti-corrosion protective cover, the outer side of the motor can be protected through the anti-corrosion protective cover, the safety of the pump body can be improved, the liquid suction disc is arranged at the bottom of the feeding pump body, a large amount of phosphorus trichloride can be absorbed through the liquid suction disc, and the phosphorus trichloride is prevented from being damaged. The feeding efficiency is high; the feeding pump main body can be directly placed in liquid, materials are fed from the inside, contact between phosphorus trichloride and air can be avoided, generation of mist acid is avoided, and the connecting pipe head of the feeding pump main body is connected with the discharging pipe through the bent pipe.

Description

Technical Field

[0001] The utility model relates to the relevant field of feed pumps, in particular to a phosphorus trichloride feed pump. Background Art

[0002] The phosphorus trichloride feed pump is used to control the feeding of phosphorus trichloride. Phosphorus trichloride can generate hydrochloric acid mist in the air. It has irritating and corrosive effects on the skin and mucous membranes. Inhaling a large amount of vapor in a short period of time can cause upper respiratory tract irritation symptoms, pharyngitis, bronchitis, and in severe cases, laryngeal edema can cause suffocation, pneumonia or pulmonary edema;

[0003] The current phosphorus trichloride feed pump is not safe enough, and the pump body cannot be placed in a phosphorus trichloride storage tank for feeding, so that the pump body is exposed to the air and the phosphorus trichloride is prone to produce hydrochloric acid mist during the feeding process. Utility Model Content

[0004] The utility model aims to provide a phosphorus trichloride feeding pump to solve the problem that the phosphorus trichloride feeding pump proposed in the above background technology is not safe enough and the pump body cannot be placed in a phosphorus trichloride storage tank for feeding, so that the pump body is exposed to the air and the phosphorus trichloride is easy to produce hydrochloric acid mist during the feeding process.

[0005] For example, the authorized patent with publication number CN213870253U (liquid feed pump): it includes a pump body, which is connected to the feed pipe through a flange, and the feed pipe is provided with a discharge pipe. The outer wall of the pump body is provided with a motor, and the output shaft at the bottom of the motor is connected to the drive shaft. The drive shaft is vertically arranged in the pump body, and a sealed bearing is provided at the connection between the drive shaft and the pump body. The bottom end of the drive shaft is connected to the inner wall of the pump body through a bearing, and the two side walls of the drive shaft are symmetrically provided with adjustment plates, and the adjustment plates are provided with a number of guide holes. This liquid feed pump plays a role in buffering the flow rate of liquid materials, and at the same time can filter out the sediment in the liquid materials to avoid clogging of the pump body.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a phosphorus trichloride feed pump, comprising a motor, an anti-corrosion protective cover, a feed pump body and a liquid suction tray, wherein an anti-corrosion protective cover is provided on the outside of the motor, the bottom of the anti-corrosion protective cover is connected to the feed pump body through a fixing frame, the bottom of the feed pump body is connected to the liquid suction tray, and the end pipe joint of the feed pump body is connected to the discharge pipe through a bend pipe.

[0007] In a further embodiment, a bearing sleeve is provided at the middle of the top end of the feed pump body, and a motor seat is provided at the top of the bearing sleeve.

[0008] In a further embodiment, the bottom of the motor is connected to the motor base, a transmission rod is provided in the middle of the motor base, and the output shaft of the motor is connected to the transmission rod.

[0009] In a further embodiment, a rotating shaft is provided inside the feed pump body, and an impeller is provided outside the rotating shaft.

[0010] In a further embodiment, a supporting foot is provided on the bottom side of the liquid suction tray, and a liquid suction port is provided in the middle of the liquid suction tray.

[0011] In a further embodiment, the end of the transmission rod is connected to the end of the rotating shaft, and the feed pump body and the suction plate are connected via a connecting pipe.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. A fixing frame is provided on the top of the feed pump body of the utility model, and an anti-corrosion protective cover is provided on the top of the fixing frame. The anti-corrosion protective cover can protect the outer side of the motor, thereby improving the safety of the pump body. A liquid suction pan is provided at the bottom of the feed pump body, through which a large amount of phosphorus trichloride can be absorbed, and the feeding efficiency is high.

[0014] 2. The feed pump body of the utility model can be directly placed in the liquid, and the feed is fed from the inside, which can prevent phosphorus trichloride from contacting with the air and avoiding the generation of misty acid. The connecting pipe head of the feed pump body is connected to the discharge pipe through a bend pipe, so that it is convenient to feed and export phosphorus trichloride. The fixing frame 4 facilitates the assembly of the anti-corrosion protective cover and the feed pump body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a phosphorus trichloride feed pump of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the main body of the feed pump of the utility model;

[0017] Figure 3 This is a bottom view of the liquid suction tray of the utility model;

[0018] Figure 4 It is a structural schematic diagram of part A of the utility model.

[0019] In the figure: 1. discharge pipe; 2. motor; 3. anti-corrosion protective cover; 4. fixing frame; 5. bearing sleeve; 6. elbow; 7. feed pump body; 8. suction plate; 9. supporting foot; 10. suction port; 11. connecting pipe head; 12. motor base; 13. impeller; 14. rotating shaft. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] See also Figure 1-4 The utility model provides an embodiment: a phosphorus trichloride feed pump, including a motor 2, an anti-corrosion protective cover 3, a feed pump body 7 and a liquid suction plate 8. The anti-corrosion protective cover 3 is provided on the outside of the motor 2. The bottom of the anti-corrosion protective cover 3 is connected to the feed pump body 7 through a fixed frame 4. The bottom of the feed pump body 7 is connected to the liquid suction plate 8. The end pipe 11 of the feed pump body 7 is connected to the discharge pipe 1 through a bend 6. The motor 2 drives the rotating shaft 14 in the feed pump body 7 to rotate, so that the rotating shaft 14 drives the impeller 13 to rotate, and the phosphorus trichloride can be absorbed by the liquid suction plate 8. The discharge pipe 1 is conveniently connected to the feed pump body 7 through the bend 6. Support feet 9 are provided on the bottom side of the liquid suction plate 8, and a liquid suction port 10 is provided in the middle of the liquid suction plate 8. The liquid suction plate 8 is elevated and supported by the support feet 9 to facilitate the absorption of liquid.

[0022] A bearing sleeve 5 is provided at the middle of the top of the feed pump body 7, and a motor seat 12 is provided at the top of the bearing sleeve 5, and the motor seat 12 is installed through the bearing sleeve 5. The bottom of the motor 2 is connected to the motor seat 12, and a transmission rod is provided in the middle of the motor seat 12. The output shaft of the motor 2 is connected to the transmission rod, and the motor 2 drives the rotating shaft 14 to rotate through the transmission rod. A rotating shaft 14 is provided inside the feed pump body 7, and an impeller 13 is provided outside the rotating shaft 14, and the impeller 13 is driven to rotate through the rotating shaft 14. The end of the transmission rod is connected to the end of the rotating shaft 14, and the feed pump body 7 is connected to the liquid suction plate 8 through a connecting pipe.

[0023] Working principle: When in use, the motor 2 is protected by the anti-corrosion protective cover 3, and the anti-corrosion protective cover 3 is elevated and supported by the fixing frame 4, the bottom of the motor 2 is connected to the motor seat 12, and the bottom of the feed pump body 7 is connected to the suction plate 8. The motor 2 drives the rotating shaft 14 to rotate through the transmission rod, so that the rotating shaft 14 drives the impeller 13 to rotate, so that centrifugal force is generated, so that phosphorus trichloride is absorbed by the suction port 10 at the bottom of the suction plate 8, and the phosphorus trichloride is transported to the discharge pipe 1 through the bent pipe 6, and the phosphorus trichloride is fed and controlled through the discharge pipe 1.

[0024] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A phosphorus trichloride feed pump, comprising a motor (2), an anti-corrosion protective cover (3), a feed pump body (7) and a liquid suction disc (8), characterized in that: An anti-corrosion protective cover (3) is provided on the outside of the motor (2); the bottom of the anti-corrosion protective cover (3) is connected to a feed pump body (7) via a fixing frame (4); the bottom of the feed pump body (7) is connected to a liquid suction plate (8); and the end pipe connector (11) of the feed pump body (7) is connected to a discharge pipe (1) via a bend pipe (6).

2. A phosphorus trichloride feed pump according to claim 1, characterized in that: A bearing sleeve (5) is provided at the middle of the top end of the feed pump body (7), and a motor seat (12) is provided at the top of the bearing sleeve (5).

3. A phosphorus trichloride feed pump according to claim 1, characterized in that: The bottom of the motor (2) is connected to the motor seat (12), a transmission rod is provided in the middle of the motor seat (12), and the output shaft of the motor (2) is connected to the transmission rod.

4. A phosphorus trichloride feed pump according to claim 1, characterized in that: A rotating shaft (14) is provided inside the feed pump body (7), and an impeller (13) is provided outside the rotating shaft (14).

5. A phosphorus trichloride feed pump according to claim 1, characterized in that: A supporting foot (9) is provided on the bottom side of the liquid suction tray (8), and a liquid suction port (10) is provided in the middle of the liquid suction tray (8).

6. A phosphorus trichloride feed pump according to claim 3, characterized in that: The end of the transmission rod is connected to the end of the rotating shaft (14), and the feed pump body (7) and the liquid suction plate (8) are connected via a connecting pipe.

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