Molten salt tank discharge port structure

Abstract

The utility model relates to the technical field of molten salt treatment equipment, in particular to a discharge port structure of a molten salt tank. According to the technical scheme, the molten salt tank comprises a molten salt tank body, a discharging opening is formed in the bottom of the molten salt tank body, the molten salt tank further comprises a discharging pipe, the discharging pipe is arranged at the bottom of the molten salt tank body and communicated with the discharging opening, and a speed limiting mechanism and an auxiliary mechanism which are used for controlling the discharging speed of the discharging pipe in time are arranged on one side of the molten salt tank body. The auxiliary mechanism is arranged at the bottom of the molten salt tank and used for discharging and cleaning residual molten salt in the discharging pipe. The motor drives the reciprocating lead screw on one side of the rotating shaft to rotate, so that the mounting cavity mounted on the reciprocating lead screw horizontally reciprocates in the discharging pipe, residual fused salt in the discharging pipe is pushed out of the discharging pipe, and when the discharging pipe needs to be cleaned, the air pump is started, and cleaning liquid in the liquid storage tank is pumped into the liquid storage cavity and then sprayed out through the spray head. And the discharging pipe is cleaned, so that raw materials are saved, the cleanliness of equipment is improved, and the discharging pipe is automatically cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of molten salt processing equipment, in particular to a molten salt tank discharge outlet structure. Background Art

[0002] Molten salt is a molten body formed by melting salts. The high-temperature melting gives it some special properties, which has also led to the rapid development of some industries, such as molten salt electrolysis of aluminum, electrolysis of magnesium, rare earth electrolysis, solid oxide electrolysis and molten salt heat storage.

[0003] A molten salt tank is usually provided with a discharge mechanism for discharging the molten salt. When a single discharge mechanism is used to discharge the molten salt, since the molten salt is in liquid form at high temperature and has fluidity, a container is usually required for the molten salt during the discharge. After the container is removed, the molten salt remaining in the discharge mechanism will drip onto the ground in the shape of water droplets, polluting the ground and possibly causing a fire. Therefore, the present application proposes a discharge outlet structure for a molten salt tank. Utility Model Content

[0004] The utility model aims to solve the problems existing in the background technology and proposes a molten salt tank outlet structure which can discharge the molten salt cleanly.

[0005] The technical solution of the utility model: a molten salt tank discharge outlet structure, comprising a molten salt tank, a discharge outlet is provided at the bottom of the molten salt tank, and further comprising:

[0006] A discharge pipe is arranged at the bottom of the molten salt tank, the discharge pipe is connected to the discharge port, and a speed limiting mechanism for timely controlling the discharge rate of the discharge pipe is arranged on one side of the molten salt tank;

[0007] The auxiliary mechanism is arranged at the bottom of the molten salt tank and is used to discharge and clean the residual molten salt in the discharge pipe.

[0008] Optionally, the auxiliary mechanism includes an installation groove fixedly opened at the bottom of the molten salt tank, a motor is fixedly installed on the inner wall of one side of the installation groove, a rotating shaft is fixedly installed on the output shaft of the motor, a reciprocating screw is fixedly installed on one end of the rotating shaft, a liquid storage chamber is rotatably installed on the reciprocating screw, the liquid storage chamber is a hollow cavity, the liquid storage chamber is located in the discharge pipe, a sealing gasket is fixedly installed on the liquid storage chamber, the sealing gasket fits the inner wall of the discharge pipe, a liquid storage tank is fixedly installed on one side of the installation groove, a liquid outlet pipe is fixedly installed on one end of the liquid storage tank, a water pump is fixedly installed in the installation groove, one end of the water pump is fixedly connected to the liquid outlet pipe, a guide pipe is fixedly installed on one end of the water pump, the guide pipe is communicated with the liquid storage chamber, and a plurality of nozzles arranged at equal distances are fixedly installed on one side of the liquid storage chamber.

[0009] Optionally, the speed limiting mechanism includes a notch fixedly opened in the molten salt tank, a level detector is fixedly installed in the notch, a cylinder is fixedly installed on one side of the molten salt tank, the output end of the level detector is connected to the cylinder, and a limiting plate is fixedly installed on the piston rod of the cylinder. The limiting plate is circular and has the same area as the discharge pipe. A sealing groove is opened on the top of the discharge pipe, and the limiting plate is located in the sealing groove.

[0010] Optionally, a mounting frame is fixedly mounted on the bottom of the mounting groove, and the mounting frame is fixedly connected to the motor.

[0011] Optionally, a guide rod is slidably mounted on the liquid storage chamber, the guide rod is fixedly connected to the mounting frame, and a limit block is fixedly mounted on one end of the guide rod and the reciprocating screw rod.

[0012] Optionally, a fixing frame is fixedly installed in the installation groove, and the fixing frame is fixedly connected to the liquid storage tank.

[0013] Optionally, a mounting base is fixedly installed in the mounting groove, and the mounting base is fixedly connected to the liquid outlet pipe.

[0014] Optionally, a mounting plate is fixedly mounted on one side of the molten salt tank, and the mounting plate is fixedly connected to the cylinder.

[0015] Compared with the prior art, the utility model has the following beneficial technical effects:

[0016] The utility model drives the reciprocating screw rod beside the rotating shaft to rotate by a motor, so that the installation cavity installed on the reciprocating screw rod makes horizontal reciprocating motion in the discharge pipe, and the remaining molten salt in the discharge pipe is pushed out of the discharge pipe. When the discharge pipe needs to be cleaned, the air pump is started again to draw the cleaning liquid in the liquid storage tank into the liquid storage cavity and then spray it out through the nozzle to clean the discharge pipe, thereby saving raw materials, improving the cleanliness of the equipment, and automatically cleaning the discharge pipe.

[0017] The piston rod of the cylinder is further used to drive the limiting plate to move upward so that the molten salt in the molten salt tank can be discharged. The level detector is then started to detect the level of the molten salt in the molten salt tank and to control the degree of contraction of the cylinder piston rod, thereby achieving control of the molten salt discharge rate and improving safety.

[0018] The utility model realizes uniform molten salt discharge rate, high equipment cleanliness, improved raw material recovery rate and good safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of the bottom structure of an embodiment of the utility model is given;

[0020] Figure 2 A schematic diagram of the structure of an embodiment of the utility model is given Figure 1 ;

[0021] Figure 3 A schematic diagram of the structure of an embodiment of the utility model is given Figure 2 ;

[0022] Figure 4 A schematic diagram of the reciprocating screw, rotating shaft and motor structure of an embodiment of the utility model is given;

[0023] Figure 5 A schematic diagram of the liquid storage chamber and the sealing gasket structure of an embodiment of the utility model is given;

[0024] Figure 6 for Figure 3 Schematic diagram of the local enlarged structure at point A in the middle.

[0025] Figure numerals: 1, molten salt tank; 2, notch; 3, level detector; 4, discharge port; 5, mounting plate; 6, cylinder; 7, flow limiting plate; 8, mounting slot; 9, sealing slot; 10, discharge pipe; 11, mounting frame; 12, motor; 13, liquid storage tank; 14, fixing frame; 15, liquid discharge pipe; 16, mounting base; 17, water pump; 18, guide pipe; 19, limit block; 20, sealing gasket; 21, guide rod; 22, rotating shaft; 23, reciprocating screw; 24, nozzle; 25, liquid storage chamber. DETAILED DESCRIPTION

[0026] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all of the embodiments.

[0027] The components of the embodiments of the present invention generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention.

[0028] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0029] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are 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 limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0030] It should be noted that the terms "include", "comprises" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] like Figure 1-Figure 2 As shown, a molten salt tank outlet structure proposed in the utility model comprises a molten salt tank 1, and a discharge port 4 is provided at the bottom of the molten salt tank 1 for discharging the molten salt.

[0033] Among them, the discharge pipe 10 is used to discharge the molten salt in the molten salt tank 1 to a specified position. The discharge pipe 10 is arranged at the bottom of the molten salt tank 1, and the discharge pipe 10 is connected to the discharge port 4. A speed limiting mechanism for timely controlling the discharge rate of the discharge pipe 10 is arranged on one side of the molten salt tank 1;

[0034] In addition, an auxiliary mechanism is arranged at the bottom of the molten salt tank 1 to discharge and clean the residual molten salt in the discharge pipe 10 to prevent the accumulation of raw materials in the discharge pipe 10 and cause waste of raw materials.

[0035] like Figure 1-4As shown, the present embodiment also includes an auxiliary mechanism, which includes a mounting groove 8 fixedly opened at the bottom of the molten salt tank 1, a motor 12 is fixedly installed on the inner wall of one side of the mounting groove 8, and a rotating shaft 22 is fixedly installed on the output shaft of the motor 12, and a reciprocating screw 23 is fixedly installed on one end of the rotating shaft 22. A liquid storage chamber 25 is rotatably installed on the reciprocating screw 23, and the liquid storage chamber 25 is a cavity setting. The liquid storage chamber 25 is located in the discharge pipe 10, and a sealing gasket 20 is fixedly installed on the liquid storage chamber 25 to increase the sealing performance of the discharge pipe 10. The sealing gasket 20 is in contact with the inner wall of the discharge pipe 10, and a liquid storage tank 13 is fixedly installed on one side of the mounting groove 8 for storing cleaning liquid, and a liquid discharge pipe 15 is fixedly installed on one end of the liquid storage tank 13. A water pump 17 is fixedly installed in the mounting groove 8 for extracting the cleaning liquid in the liquid storage tank 13. The water pump 1 One end of 7 is fixedly connected to the liquid outlet pipe 15, and one end of the water pump 17 is fixedly installed with a guide pipe 18, which is connected to the liquid storage chamber 25. A plurality of nozzles 24 arranged at equal distances are fixedly installed on one side of the liquid storage chamber 25. When the motor 12 rotates, the output shaft of the motor 12 drives the rotating shaft 22 to rotate, and the rotating shaft 22 drives the reciprocating screw 23 to rotate, so that the liquid storage chamber 25 installed on the reciprocating screw 23 performs horizontal reciprocating motion on the reciprocating screw 23, and the residual molten salt in the discharge pipe 10 is pushed out of the discharge pipe 10. When the discharge pipe 10 needs to be cleaned, the motor 12 is started and the water pump 17 is started at the same time. The water pump 17 draws the cleaning liquid in the liquid storage tank 13 into the liquid storage chamber 25, and then sprays it out by the nozzle 24 to flush the inner wall of the discharge pipe 10, and then cooperates with the liquid storage chamber 25 to discharge the residual dirt after flushing.

[0036] like Figure 2-3 As shown, the present embodiment also includes a speed limiting mechanism, which includes a notch 2 fixedly opened in the molten salt tank 1, a level detector 3 fixedly installed in the notch 2, a cylinder 6 fixedly installed on one side of the molten salt tank 1, the output end of the level detector 3 is connected to the cylinder 6, and a limiting plate 7 is fixedly installed on the piston rod of the cylinder 6. The limiting plate 7 is circular and has the same area as the discharge pipe 10. A sealing groove 9 is opened on the top of the discharge pipe 10, and the limiting plate 7 is located in the sealing groove 9. When the molten salt in the molten salt tank 1 needs to be discharged, the cylinder 6 is started, and the piston rod of the cylinder 6 drives the limiting plate 7 to move upward, and the level detector 3 is opened at the same time. When the liquid level continues to decrease, the level detector 3 transmits a signal to the cylinder 6, and the cylinder 6 controls the limiting plate 7 at one end of the piston rod to slowly rise to keep the discharge rate uniform.

[0037] like Figure 1-Figure 4 As shown, a mounting frame 11 is fixedly installed at the bottom of the mounting groove 8, and the mounting frame 11 is fixedly connected to the motor 12. A guide rod 21 is slidably installed on the liquid storage chamber 25, and the guide rod 21 is fixedly connected to the mounting frame 11. A limit block 19 is fixedly installed on one end of the guide rod 21 and the reciprocating screw rod 23.

[0038] like Figure 1-Figure 3As shown, a fixing frame 14 is fixedly installed in the mounting groove 8, and the fixing frame 14 is fixedly connected to the liquid storage tank 13. A mounting base 16 is fixedly installed in the mounting groove 8, and the mounting base 16 is fixedly connected to the liquid outlet pipe 15. A mounting plate 5 is fixedly installed on one side of the molten salt tank 1, and the mounting plate 5 is fixedly connected to the cylinder 6.

[0039] Working principle: When the molten salt in the molten salt tank 1 needs to be discharged, the cylinder 6 is started, and the piston rod of the cylinder 6 drives the flow limiting plate 7 to move upward, and the level detector 3 is opened at the same time. When the liquid level continues to decrease, the level detector 3 transmits a signal to the cylinder 6, and the cylinder 6 controls the flow limiting plate 7 at one end of the piston rod to slowly rise. After the molten salt is discharged, the motor 12 is started, and the output shaft of the motor 12 drives the rotating shaft 22 to rotate, and the rotating shaft 22 drives the reciprocating screw 23 to rotate, so that the liquid storage chamber 2 installed on the reciprocating screw 23 The reciprocating screw 23 makes horizontal reciprocating motion to push the residual molten salt in the discharge pipe 10 out of the discharge pipe 10. When the discharge pipe 10 needs to be cleaned, the motor 12 is started and the water pump 17 is started at the same time. The water pump 17 draws the cleaning liquid in the liquid storage tank 13 into the liquid storage chamber 25, and then sprays it out from the nozzle 24 to wash the inner wall of the discharge pipe 10. Then, the residual dirt after washing is discharged in cooperation with the liquid storage chamber 25, thereby achieving a uniform discharge rate of the molten salt, high equipment cleanliness, improved raw material recovery rate, and good safety.

[0040] The above-mentioned specific embodiments are only several optional embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A molten salt tank outlet structure, comprising a molten salt tank (1), wherein a discharge port (4) is provided at the bottom of the molten salt tank (1), characterized in that: Also includes: A discharge pipe (10), the discharge pipe (10) being arranged at the bottom of the molten salt tank (1), the discharge pipe (10) being in communication with the discharge port (4), and a speed limiting mechanism for timely controlling the discharge rate of the discharge pipe (10) being arranged on one side of the molten salt tank (1); An auxiliary mechanism is arranged at the bottom of the molten salt tank (1) and is used to discharge and clean the residual molten salt in the discharge pipe (10).

2. A molten salt tank outlet structure according to claim 1, characterized in that: The auxiliary mechanism comprises a mounting groove (8) fixedly opened at the bottom of the molten salt tank (1), a motor (12) being fixedly mounted on an inner wall of one side of the mounting groove (8), a rotating shaft (22) being fixedly mounted on the output shaft of the motor (12), a reciprocating screw rod (23) being fixedly mounted on one end of the rotating shaft (22), a liquid storage chamber (25) being rotatably mounted on the reciprocating screw rod (23), the liquid storage chamber (25) being a hollow cavity, the liquid storage chamber (25) being located in the discharge pipe (10), a sealing gasket (20) being fixedly mounted on the liquid storage chamber (25), the sealing gasket (20) being fixedly mounted on the liquid storage chamber (25), and the sealing gasket (20) being fixedly mounted on the liquid storage chamber (25). The sealing gasket (20) is fitted with the inner wall of the discharge pipe (10); a liquid storage box (13) is fixedly installed on one side of the installation groove (8); a liquid discharge pipe (15) is fixedly installed on one end of the liquid storage box (13); a water pump (17) is fixedly installed in the installation groove (8); one end of the water pump (17) is fixedly connected to the liquid discharge pipe (15); a guide pipe (18) is fixedly installed on one end of the water pump (17); the guide pipe (18) is connected to the liquid storage chamber (25); and a plurality of nozzles (24) arranged at equal distances are fixedly installed on one side of the liquid storage chamber (25).

3. A molten salt tank outlet structure according to claim 1, characterized in that: The speed limiting mechanism comprises a notch (2) fixedly opened in the molten salt tank (1), a level detector (3) fixedly installed in the notch (2), a cylinder (6) fixedly installed on one side of the molten salt tank (1), an output end of the level detector (3) is connected to the cylinder (6), a piston rod of the cylinder (6) is fixedly installed with a flow limiting plate (7), the flow limiting plate (7) is circular and has the same area as the discharge pipe (10), a sealing groove (9) is opened at the top of the discharge pipe (10), and the flow limiting plate (7) is located in the sealing groove (9).

4. A molten salt tank outlet structure according to claim 2, characterized in that: A mounting frame (11) is fixedly mounted on the bottom of the mounting groove (8), and the mounting frame (11) is fixedly connected to the motor (12).

5. A molten salt tank outlet structure according to claim 4, characterized in that: A guide rod (21) is slidably mounted on the liquid storage chamber (25), the guide rod (21) is fixedly connected to the mounting frame (11), and a limit block (19) is fixedly mounted on one end of the guide rod (21) and the reciprocating screw rod (23).

6. A molten salt tank outlet structure according to claim 2, characterized in that: A fixing frame (14) is fixedly installed in the installation groove (8), and the fixing frame (14) is fixedly connected to the liquid storage tank (13).

7. A molten salt tank outlet structure according to claim 2, characterized in that: A mounting base (16) is fixedly mounted in the mounting groove (8), and the mounting base (16) is fixedly connected to the liquid outlet pipe (15).

8. A molten salt tank outlet structure according to claim 1, characterized in that: A mounting plate (5) is fixedly mounted on one side of the molten salt tank (1), and the mounting plate (5) is fixedly connected to the cylinder (6).

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