Rectifying kettle for safe processing of ultrapure ammonia

Abstract

The utility model discloses a rectifying still for safe processing of ultrapure ammonia, and relates to the technical field of ultrapure ammonia processing. The reaction kettle comprises a kettle cover and a kettle body connected with the kettle cover through a flange bolt, the peripheral side of the kettle cover is sleeved with two heating covers which are connected and symmetrically arranged, connecting ring blocks are fixed to the middles of the peripheral sides of the heating covers, and adjusting ring openings communicated with the interiors of sliding holes are formed in the peripheral sides of the connecting ring blocks. Inserting holes are formed in the two ends of the upper surface of the connecting ring block, stretching plates are arranged at the upper ends of the baffles, and two inserting rods located on the two side faces of the vertical plate are arranged below the stretching plates. The heating cover is mounted on the peripheral side of the kettle body, and the inserting rods are inserted into the inserting holes, so that the problems that the rectifying efficiency of ultrapure ammonia processing is reduced, the mounting stability of the heating cover cannot be ensured, and the heating cover cannot be quickly disassembled and assembled due to the fact that the interior of the rectifying kettle cannot be quickly and uniformly heated are solved.

Description

Technical Field

[0001] This utility model belongs to the technical field, and in particular relates to a distillation kettle for safe processing of ultrapure ammonia. Background Technology

[0002] Ultrapure ammonia is the main raw material for silicon nitride masking films in microelectronics. The processing of ultrapure ammonia requires distillation, a separation process that utilizes the different volatility of components in a mixture to separate them. This necessitates the use of appropriate distillation vessels, but their practical application still has the following drawbacks:

[0003] 1. Most existing distillation vessels are heated using heat transfer oil. However, this method cannot provide rapid and uniform heating to the interior of the distillation vessel, which reduces the distillation efficiency of ultrapure ammonia processing.

[0004] 2. When the heating cover is installed on the periphery of the distillation vessel, the installation stability of the heating cover cannot be guaranteed, which will affect the heating time of the distillation vessel. At the same time, since the heating cover cannot be quickly disassembled and assembled, it is not convenient to inspect and maintain the internal structure of the heating cover. Utility Model Content

[0005] The purpose of this utility model is to provide a distillation kettle for safe processing of ultrapure ammonia. By installing a heating cover on the periphery of the kettle body and inserting a plug rod into the plug hole, it solves the problems of not being able to quickly and uniformly heat the inside of the distillation kettle, which would reduce the distillation efficiency of ultrapure ammonia processing, and not being able to ensure the stability of the heating cover installation and the inability to quickly install and remove the heating cover.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0007] This utility model is a distillation kettle for safe processing of ultrapure ammonia, including a kettle cover and a kettle body connected to the kettle cover by flange bolts. Two heating covers are symmetrically arranged and connected to each other on the periphery of the kettle cover. A connecting ring block is fixed at the middle position of each heating cover, and a sliding hole is opened through the inside of each connecting ring block. An adjustment ring opening is opened on the outer periphery of each connecting ring block and communicates with the inside of the sliding hole. An adjustment T-ring plate is slidably arranged inside the adjustment ring opening, and an assembly ring rod with the sliding part inside the sliding hole is fixed on the inner side wall of the adjustment T-ring plate.

[0008] Insertion holes are provided at both ends of the upper surface of the connecting ring block. An L-shaped plate that slides in contact with the upper surface of the connecting ring block is fixed in the middle of the upper surface of the adjusting T-ring plate. A vertical plate is fixed on the upper end of the L-shaped plate. A baffle is fixed on the upper end of the vertical plate. A tension plate is provided on the upper end of the baffle. Two insertion rods located on the two sides of the vertical plate are provided below the tension plate.

[0009] Furthermore, the interior of the heating cover is fixed with multiple heating tubes arranged in a ring.

[0010] Furthermore, annular grooves are provided on the periphery of the vessel body, and positioning rings that slide and engage inside the annular grooves are fixed to the upper end of the heating cover.

[0011] Furthermore, through holes are provided on the upper surface of the L-shaped plates on both sides of the vertical plate, and the plug rods are respectively inserted into the similar through holes.

[0012] Furthermore, each of the upper surfaces of the baffle has a movable hole at the position corresponding to the through hole, and each of the upper ends of the plug rod has a round block fixed thereon, and the diameter of the round block is larger than the diameter of the through hole and the movable hole.

[0013] Furthermore, each of the circular blocks has a movable rod fixed to its upper surface, which slides through the interior of the movable hole, and the ends of the movable rods that pass through the movable hole are fixedly connected to the lower surface of the tension plate.

[0014] Furthermore, the upper surface of each circular block is fixed with a spring that connects to the lower surface of the baffle, and the springs are all sleeved around the periphery of the movable rod.

[0015] This utility model has the following beneficial effects:

[0016] 1. In use, the two heating covers are fitted around the periphery of the vessel body, so that the positioning ring at the upper end of the heating cover is inserted into the ring groove, thereby initially limiting the installation of the heating cover. The adjusting T-ring plate is rotated so that the middle part of the adjusting T-ring plate is rotated to the end position where the two connecting ring blocks meet. When the inside of the vessel body is heated for distillation, the heating tube can be controlled to work, thereby heating the outer side wall of the vessel body and conducting heat to the inside, so as to achieve rapid and uniform heating of the inside of the vessel body.

[0017] 2. When this utility model is in use, the adjusting T-ring plate also directly drives the L-shaped plate to the position between the two connecting ring blocks, so that the through hole and the adjacent insertion hole are aligned vertically. As a result, the spring will directly push the insertion rod from the inside of the through hole into the inside of the insertion hole, thereby limiting the adjustment T-ring plate and ensuring that the assembly ring rod cannot continue to move inside the sliding hole, improving the installation stability of the heating cover, and at the same time facilitating the disassembly and assembly of the heating cover. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below:

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a structural diagram of the vessel lid and vessel body in this utility model;

[0021] Figure 3 This is a structural diagram of the heating cover in this utility model;

[0022] Figure 4 This is a structural diagram of the adjusting T-ring plate in this utility model;

[0023] Figure 5 This is a structural diagram of the tension plate in this utility model;

[0024] The attached diagram lists the components represented by each number as follows:

[0025] 1. Lid; 2. Body; 201. Annular groove; 3. Heating cover; 301. Connecting ring block; 302. Heating tube; 303. Sliding hole; 304. Adjusting ring opening; 305. Positioning ring; 306. Insertion hole; 4. Stretching plate; 401. Movable rod; 402. Round block; 403. Insertion rod; 404. Spring; 5. Adjusting T-ring plate; 501. Assembly ring rod; 502. L-shaped plate; 503. Vertical plate; 504. Through hole; 505. Baffle; 506. Movable hole. Detailed Implementation

[0026] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0027] Please see Figure 1-5 As shown, this utility model is a distillation kettle for safe processing of ultrapure ammonia, including a kettle cover 1 and a kettle body 2 connected to the kettle cover 1 by flange bolts. Two heating covers 3 are symmetrically arranged and connected to each other on the periphery of the kettle cover 1. A connecting ring block 301 is fixed at the middle position of each heating cover 3. A sliding hole 303 is opened through the inside of each connecting ring block 301. An adjustment ring opening 304 is opened on the outer periphery of each connecting ring block 301 and communicates with the inside of the sliding hole 303. An adjustment T-ring plate 5 is slidably arranged inside the adjustment ring opening 304. An assembly ring rod 501 with a sliding position inside the sliding hole 303 is fixed on the inner side wall of the adjustment T-ring plate 5. When the adjustment T-ring plate 5 is rotated, the adjustment T-ring plate 5 will drive the assembly ring plate to slide inside the sliding hole 303.

[0028] Insertion holes 306 are provided at both ends of the upper surface of the connecting ring block 301. An L-shaped plate 502 that slides in contact with the upper surface of the connecting ring block 301 is fixed in the middle of the upper surface of the adjusting T-ring plate 5. A vertical plate 503 is fixed on the upper end of the L-shaped plate 502. A baffle 505 is fixed on the upper end of the vertical plate 503. A tension plate 4 is provided on the upper end of the baffle 505. Two insertion rods 403 located on the two sides of the vertical plate 503 are provided below the tension plate 4.

[0029] The heating cover 3 has multiple heating tubes 302 arranged in a ring inside. The vessel body 2 has a ring groove 201 on its periphery. The upper end of the heating cover 3 has a positioning ring 305 that slides and engages inside the ring groove 201. When the positioning ring 305 is inside the ring groove 201, it will initially position the heating cover 3.

[0030] Among them, such as Figure 1 , 3 As shown in Figures 4 and 5, the upper surfaces of the L-shaped plates 502 located on both sides of the vertical plate 503 are provided with through holes 504. Insertion rods 403 are respectively inserted into the interior positions of adjacent through holes 504. The upper end face of the baffle 505 is provided with movable holes 506 corresponding to the positions of the through holes 504. A circular block 402 is fixed to the upper end of each insertion rod 403. The diameter of the circular block 402 is larger than the diameters of the through holes 504 and the movable holes 506. A movable rod 401 is fixed to the upper surface of each circular block 402, sliding through the interior position of the movable hole 506. The end of the movable rod 401 passing through the movable hole 506 is connected to the tension plate 4. The lower surface is fixedly connected, and the upper surface of the round block 402 is fixed with springs 404 that are connected to the lower surface of the baffle 505. The springs 404 are all sleeved on the periphery of the movable rod 401. When it is necessary to remove the plug rod 403 from the inside of the plug hole 306, the tension plate 4 can be moved upward. The tension plate 4 will drive the movable rod 401 to move up and down in the position inside the movable hole 506, so that the plug rod 403 can be pulled out directly from the position inside the plug hole 306. At the same time, it will drive the round block 402 to compress the spring 404. Therefore, after the tension plate 4 is released, the spring 404 will push the round block 402 to move downward.

[0031] A specific application of this embodiment is as follows: Using the above-described structure, two heating covers 3 are fitted around the periphery of the vessel body 2, allowing the positioning ring 305 at the upper end of the heating cover 3 to insert into the ring groove 201. This initially limits the installation of the heating cover 3. The adjusting T-ring plate 5 is then rotated until its center reaches the point where the two connecting ring blocks 301 meet. This causes the adjusting T-ring plate 5 to move the assembly ring rod 501 within the sliding hole 303, positioning it between the two sliding holes 303, preventing the two heating covers 3 from moving in opposite directions. Simultaneously, adjusting the T-ring plate 5 also directly drives the L-shaped plate 502 to move to the position between the two connecting ring blocks 301, so that the through hole 504 and the adjacent insertion hole 306 are aligned vertically. As a result, the spring 404 will directly push the insertion rod 403 from the inside of the through hole 504 into the inside of the insertion hole 306, thereby limiting the adjustment T-ring plate 5 and ensuring that the assembly ring rod 501 cannot continue to move inside the sliding hole 303. Therefore, when the inside of the vessel body 2 is heated by distillation, the heating tube 302 can be controlled to work, thereby heating the outer side wall of the vessel body 2 and conducting heat to its interior.

[0032] The above are merely preferred embodiments of the present utility model and do not limit the present utility model. Any modifications, equivalent substitutions, or improvements made to the technical solutions described in the foregoing embodiments, or to some of the technical features, shall fall within the protection scope of the present utility model.

Claims

1. A distillation vessel for safe processing of ultrapure ammonia, comprising a vessel cover (1) and a vessel body (2) connected to the vessel cover (1) by flange bolts, characterized in that: The vessel lid (1) is fitted with two symmetrically arranged heating covers (3) on its periphery. A connecting ring block (301) is fixed at the middle position of the periphery of each heating cover (3). A sliding hole (303) is opened through the interior of each connecting ring block (301). An adjustment ring opening (304) is opened on the outer periphery of each connecting ring block (301) and communicates with the interior of the sliding hole (303). An adjustment T-ring plate (5) is slidably arranged inside the adjustment ring opening (304). An assembly ring rod (501) that slides inside the sliding hole (303) is fixed on the inner side wall of each adjustment T-ring plate (5). Insertion holes (306) are provided at both ends of the upper surface of the connecting ring block (301). An L-shaped plate (502) that slides in contact with the upper surface of the connecting ring block (301) is fixed in the middle of the upper surface of the adjusting T-ring plate (5). A vertical plate (503) is fixed on the upper end of the L-shaped plate (502). A baffle (505) is fixed on the upper end of the vertical plate (503). A tension plate (4) is provided on the upper end of the baffle (505). Two insertion rods (403) located on the two sides of the vertical plate (503) are provided below the tension plate (4).

2. The distillation vessel for safe processing of ultrapure ammonia according to claim 1, characterized in that, The interior of each heating cover (3) is fixed with multiple heating tubes (302) arranged in a ring.

3. The distillation vessel for safe processing of ultrapure ammonia according to claim 1, characterized in that, The vessel body (2) has an annular groove (201) on its periphery, and the upper end of the heating cover (3) is fixed with a positioning ring (305) that slides and engages inside the annular groove (201).

4. The distillation vessel for safe processing of ultrapure ammonia according to claim 1, characterized in that, The upper surfaces of the L-shaped plates (502) located on both sides of the vertical plate (503) are provided with through holes (504), and the plug rods (403) are respectively inserted into the through holes (504) in close proximity.

5. The distillation vessel for safe processing of ultrapure ammonia according to claim 4, characterized in that, The upper end of the baffle (505) is provided with a movable hole (506) at the position corresponding to the through hole (504). The upper end of the plug rod (403) is fixed with a round block (402), and the diameter of the round block (402) is larger than the diameter of the through hole (504) and the movable hole (506).

6. The distillation vessel for safe processing of ultrapure ammonia according to claim 5, characterized in that, The upper surface of each of the circular blocks (402) is fixed with a movable rod (401) that slides through the interior of the movable hole (506). The end of the movable rod (401) that passes through the movable hole (506) is fixedly connected to the lower surface of the stretching plate (4).

7. The distillation vessel for safe processing of ultrapure ammonia according to claim 6, characterized in that, The upper surface of each of the circular blocks (402) is fixed with a spring (404) that is connected to the lower surface of the baffle (505), and the springs (404) are all sleeved on the periphery of the movable rod (401).

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