Silicon tetrachloride purification storage tank

Abstract

The utility model belongs to the field of storage tanks, and particularly relates to a silicon tetrachloride purification storage tank which comprises a support, the right end of the support is fixedly connected with a connecting shaft, the outer side of the connecting shaft is rotatably connected with a tank body through a bearing, the bottom of the tank body is fixedly connected with a feed opening, and the top of the tank body is fixedly connected with a cover plate. The upper end of the cover plate is fixedly connected with a feeding port, and the top of the cover plate is fixedly connected with a driving motor. Through the design of the heating sheet, silicon tetrachloride can be heated, silicon tetrachloride gas can be formed and can be conveniently discharged, in the heating process, the driving motor can drive the stirring rod to rotate to stir materials so as to improve the heating efficiency, and meanwhile, under the action of the rotating motor, the rotating motor can drive the top block to rotate, so that the heating efficiency is improved. The convex block can be extruded by rotation of the top block, front-back shaking of the tank body can be achieved, and the stirring and heating effects can be further improved by cooperation with stirring of the stirring rod.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of storage tank, specifically is a silicon tetrachloride purification storage tank. BACKGROUND

[0002] Silicon tetrachloride is an inorganic compound commonly used in the fields of semiconductors, chemicals and pharmaceuticals. The process of purifying silicon tetrachloride requires the use of a special storage tank to ensure the quality and purity of the product.

[0003] The utility model discloses a silicon tetrachloride purification storage tank, including the storage tank, the inside of storage tank is equipped with the baffle, the inside of storage tank is divided into storage cavity and heating chamber by the baffle, the four walls of storage cavity and the baffle are all equipped with the heat insulating layer, the storage cavity is connected with the heating chamber through the blanking valve's downcomer, the top of heating chamber is equipped with the exhaust pipe, the bottom of heating chamber is equipped with the liquid discharge pipe, and the sidewall of heating chamber is equipped with the heating jacket.

[0004] In the prior art, during the use of the storage tank, the silicon tetrachloride can be heated and vaporized. During heating, the material is stirred by the stirring rod. However, the stirring uniformity is insufficient, which affects the heating effect. Moreover, during the heating process, the heat inside the storage tank is prone to leakage, which causes heat loss and also affects the heating effect. Therefore, improvement is needed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a silicon tetrachloride purification storage tank, which solves the problem of insufficient stirring uniformity of the material during heating and also solves the problem of large heat loss during heating.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a silicon tetrachloride purification storage tank, including the support, the right end of support is fixedly connected with the connecting shaft, the outer side of connecting shaft is rotatably connected with the tank body through the bearing, the bottom of tank body is fixedly connected with the discharge port, the top of tank body is fixedly connected with the cover plate, the upper end of cover plate is fixedly connected with the feeding port, the top of cover plate is fixedly connected with the driving motor, the lower end of driving motor output end is fixedly connected with the rotating shaft, the outer side of rotating shaft is fixedly connected with a plurality of stirring rods, the inside of tank body is fixedly installed with the heating sheet, the tank body is provided with the material shaking mechanism, and the tank body is provided with the exhaust mechanism.

[0007] Preferably, the outer side of the driving motor output end is rotatably sleeved with a sealing ring, and the sealing ring is fixedly connected with the cover plate. By designing the sealing ring, the driving motor output end and the cover plate connection place can be sealed.

[0008] Preferably, the material shaking mechanism comprises a support block, the left end of the tank body is fixedly connected with the support block, the support block is in sliding connection with the support, the outer side of the support is fixedly connected with a rotating motor, the outer side of the output end of the rotating motor is fixedly connected with a rotating rod, the outer side of the lower end of the rotating rod is fixedly connected with a top block, the outer side of the top block is in contact with a protruding block, and the protruding block is fixedly connected with the tank body. Through the design of the material shaking mechanism, the tank body can be shaken during material stirring.

[0009] Preferably, the inner portion of the support is provided with a sliding groove, and the support block is in sliding connection with the inner portion of the sliding groove. Through the design of the sliding groove, the support block can slide in the sliding groove.

[0010] Preferably, the exhaust mechanism comprises a fixed seat, the right end of the tank body is fixedly connected with the fixed seat, the inner portion of the fixed seat is in sliding sleeve connection with a stop block, the right end of the stop block is fixedly connected with a connecting rod, the right end of the connecting rod is fixedly connected with a baffle, the baffle is in sliding connection with the fixed seat, the left end of the stop block is fixedly connected with a sliding rod, the sliding rod is in sliding connection with the fixed seat, the outer side of the sliding rod is fixedly connected with a sliding block, the sliding block is in sliding connection with the fixed seat, the inner portion of the sliding block is in sliding sleeve connection with a fixed rod, the fixed rod is fixedly connected with the fixed seat, and the outer side of the fixed rod is provided with a spring. Through the design of the exhaust mechanism, the automatic exhaust of the silicon tetrachloride gas after gasification can be realized.

[0011] Preferably, one end of the spring is fixedly connected with the sliding block, and the other end of the spring is fixedly connected with the fixed seat. Through the design of the spring, the force of the spring can act on the sliding block.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、Through the design of the heating piece, the silicon tetrachloride can be heated, and the silicon tetrachloride gas is formed and conveniently discharged, in the heating process, the driving motor can drive the stirring rod to rotate and stir the material to improve the heating efficiency, and under the action of the rotating motor, the rotating motor can drive the top block to rotate, the top block can extrude the protruding block, the front and back shaking of the tank body can be realized, and the stirring of the stirring rod can further improve the stirring and heating effect.

[0014] 2、The utility model discloses a tank body is closed structure, in the heating process to silicon tetrachloride, can reduce the loss of internal heat, make the tank body internal heating efficiency be higher, and when the silicon tetrachloride is heated and is completed, the silicon tetrachloride of gasification can enter the inside of fixed seat and promote the translation of stopper and baffle, just can the silicon tetrachloride automatic discharge. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model discloses a whole structure three -dimensional Figure One ;

[0016] Figure 2 For the overall structure of the utility model Figure Two ;

[0017] Figure 3 For the partial structure of the utility model Figure 1 ;

[0018] Figure 4 For the fixed seat of the utility model Figure 3 ;

[0019] In the figure: 1, support; 2, connecting shaft; 3, tank body; 4, blanking port; 5, cover plate; 6, feed inlet; 7, drive motor; 8, material shaking mechanism; 9, exhaust mechanism; 10, sealing ring; 11, rotating shaft; 12, stirring rod; 13, heating sheet; 81, support block; 82, chute; 83, rotating motor; 84, rotating rod; 85, top block; 86, protruding block; 91, fixed seat; 92, stop block; 93, connecting rod; 94, baffle; 95, sliding rod; 96, sliding block; 97, fixed rod; 98, 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figure 1 , Figure 2 , Figure 3 , a kind of silicon tetrachloride purification storage tank, including support 1, the right end of support 1 is fixedly connected with connecting shaft 2, the outside of connecting shaft 2 is rotatably connected with tank body 3 by bearing, the bottom of tank body 3 is fixedly connected with blanking port 4, the top of tank body 3 is fixedly connected with cover plate 5, the upper end of cover plate 5 is fixedly connected with feed inlet 6, the top of cover plate 5 is fixedly connected with drive motor 7, the outside of drive motor 7 output end is rotatably sleeved with sealing ring 10, sealing ring 10 is fixedly connected with cover plate 5, by designing sealing ring 10, drive motor 7 output end and cover plate 5 connection place can be sealed, the lower end of drive motor 7 output end is fixedly connected with rotating shaft 11, the outside of rotating shaft 11 is fixedly connected with multiple stirring rods 12, heating sheet 13 is fixedly installed in tank body 3, tank body 3 is provided with material shaking mechanism 8, tank body 3 is provided with exhaust mechanism 9.

[0022] Please refer to Figure 1 , Figure 2The material shaking mechanism 8 comprises a supporting block 81, the left end of the tank body 3 is fixedly connected with the supporting block 81, the supporting block 81 is in sliding connection with the support 1, the inside of the support 1 is provided with a sliding groove 82, the sliding groove 82 is in sliding connection with the supporting block 81, the sliding groove 82 is designed to enable the supporting block 81 to slide in the sliding groove 82, the outside of the support 1 is fixedly connected with a rotating motor 83, the outside of the output end of the rotating motor 83 is fixedly connected with a rotating rod 84, the outside of the lower end of the rotating rod 84 is fixedly connected with a top block 85, the outside of the top block 85 is in contact with a protruding block 86, the protruding block 86 is fixedly connected with the tank body 3, and the material shaking mechanism 8 is designed so that the tank body 3 can be shaken during material stirring.

[0023] Please refer to Figure 1 、 Figure 3 、 Figure 4 The exhaust mechanism 9 comprises a fixed seat 91, the right end of the tank body 3 is fixedly connected with the fixed seat 91, the inside of the fixed seat 91 is in sliding sleeve connection with a stop block 92, the right end of the stop block 92 is fixedly connected with a connecting rod 93, the right end of the connecting rod 93 is fixedly connected with a baffle 94, the baffle 94 is in sliding connection with the fixed seat 91, the left end of the stop block 92 is fixedly connected with a sliding rod 95, the sliding rod 95 is in sliding connection with the fixed seat 91, the outside of the sliding rod 95 is fixedly connected with a sliding block 96, the sliding block 96 is in sliding connection with the fixed seat 91, the inside of the sliding block 96 is in sliding sleeve connection with a fixed rod 97, the fixed rod 97 is fixedly connected with the fixed seat 91, the outside of the fixed rod 97 is provided with a spring 98, one end of the spring 98 is fixedly connected with the sliding block 96, the other end of the spring 98 is fixedly connected with the fixed seat 91, the spring 98 is designed so that the acting force of the spring 98 can act on the sliding block 96, and the exhaust mechanism 9 is designed so that the automatic exhaust of silicon tetrachloride gasification gas can be realized.

[0024] The specific implementation process of the utility model is as follows: when the silicon tetrachloride needs to be heated, the heating piece 13 works, simultaneously driving the output end of the motor 7 to drive the rotating shaft 11 to rotate, the rotating shaft 11 drives the stirring rod 12 to rotate, the material can be stirred to improve the heating efficiency, at the same time of heating, the output end of the driving rotating motor 83 drives the top block 85 to rotate, the top block 85 rotates and contacts the protruding block 86 to extrude and push the protruding block 86 to move, the protruding block 86 drives the tank body 3 to move, the tank body 3 rotates along the connecting shaft 2, simultaneously, the tank body 3 drives the supporting block 81 to slide along the sliding groove 82, the front and back shaking of the tank body 3 can be realized, and the stirring of the stirring rod 12 can further improve the stirring and heating effect.

[0025] By setting the tank body 3 as a closed structure, the loss of internal heat can be reduced during the heating of silicon tetrachloride, so that the heating efficiency inside the tank body 3 is higher, and when the silicon tetrachloride is heated, the vaporized silicon tetrachloride can enter the inside of the fixed seat 91, and after the gas enters, the stop block 92 moves horizontally, the stop block 92 drives the connecting rod 93 and the baffle 94 to move, and at the same time, the stop block 92 drives the slide rod 95 and the sliding block 96 to move, the sliding block 96 slides along the fixed rod 97 and presses the spring 98, so that the stop block 92 is separated from the inner wall of the fixed seat 91, and at the same time, the baffle 94 is separated from the fixed seat 91, at this time, the silicon tetrachloride can be automatically output through the fixed seat 91.

[0026] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A purification tank for silicon tetrachloride comprising a support (1), characterized in that: The right end of the support (1) is fixedly connected with a connecting shaft (2), the outer side of the connecting shaft (2) is rotatably connected with a tank body (3) through a bearing, the bottom of the tank body (3) is fixedly connected with a discharging port (4), the top of the tank body (3) is fixedly connected with a cover plate (5), the upper end of the cover plate (5) is fixedly connected with a feeding port (6), the top of the cover plate (5) is fixedly connected with a driving motor (7), the lower end of the output end of the driving motor (7) is fixedly connected with a rotating shaft (11), the outer side of the rotating shaft (11) is fixedly connected with a plurality of stirring rods (12), the inside of the tank body (3) is fixedly installed with a heating sheet (13), the tank body (3) is provided with a material shaking mechanism (8), and the tank body (3) is provided with an exhaust mechanism (9).

2. A purified silicon tetrachloride storage tank according to claim 1, wherein: The outer side of the output end of the driving motor (7) is rotatably sleeved with a sealing ring (10), and the sealing ring (10) is fixedly connected with the cover plate (5).

3. A purified silicon tetrachloride storage tank as claimed in claim 1, wherein: The material shaking mechanism (8) comprises a supporting block (81), the left end of the tank body (3) is fixedly connected with the supporting block (81), the supporting block (81) is slidably connected with the support (1), the outer side of the support (1) is fixedly connected with a rotating motor (83), the outer side of the output end of the rotating motor (83) is fixedly connected with a rotating rod (84), the outer side of the lower end of the rotating rod (84) is fixedly connected with a top block (85), the outer side of the top block (85) is in contact with a protruding block (86), and the protruding block (86) is fixedly connected with the tank body (3).

4. A purified silicon tetrachloride storage tank as defined in claim 1, wherein: The inside of the support (1) is provided with a sliding groove (82), and the sliding groove (82) is slidably connected with the supporting block (81).

5. A purified silicon tetrachloride storage tank as defined in claim 1, wherein: The exhaust mechanism (9) comprises a fixed seat (91), the right end of the tank body (3) is fixedly connected with the fixed seat (91), the inside of the fixed seat (91) is slidably sleeved with a stop block (92), the right end of the stop block (92) is fixedly connected with a connecting rod (93), the right end of the connecting rod (93) is fixedly connected with a baffle (94), the baffle (94) is slidably connected with the fixed seat (91), the left end of the stop block (92) is fixedly connected with a sliding rod (95), the sliding rod (95) is slidably connected with the fixed seat (91), the outer side of the sliding rod (95) is fixedly connected with a sliding block (96), the sliding block (96) is slidably connected with the fixed seat (91), the inside of the sliding block (96) is slidably sleeved with a fixed rod (97), the fixed rod (97) is fixedly connected with the fixed seat (91), and the outer side of the fixed rod (97) is provided with a spring (98).

6. A purified silicon tetrachloride storage tank as claimed in claim 5, wherein: One end of the spring (98) is fixedly connected with the sliding block (96), and the other end of the spring (98) is fixedly connected with the fixed seat (91).

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