Evaporator direct connection structure of krypton-xenon rectifying tower

Abstract

The utility model relates to the technical field of krypton-xenon rectifying equipment, in particular to an evaporator direct connection structure of a krypton-xenon rectifying tower, which comprises a cold box and a first sealing plate, the front side of the cold box is detachably connected with the first sealing plate, the lower side in the cold box is fixedly connected with a fixed disc, and the front side of the fixed disc is clamped with a limiting baffle. The upper side of the fixing disc is fixedly connected with a partition plate, the lower side of the fixing disc is fixedly connected with an exhaust pipe, the front side of the limiting baffle is fixedly connected with two transmission plates, the front sides of the transmission plates are fixedly connected with a first sealing plate, and the upper side of the fixing disc is fixedly connected with a tower body. According to the device, the bottom of the tower body can be divided into an independent space for installing the evaporator through the partition plate, the tower body and the evaporator are installed in the cold box together, the conveying pipe and the exhaust pipe serve as connecting pipelines between the tower body and the evaporator and are fixed in the cold box together, the connecting pipelines do not need to be independently provided with a heat preservation structure, the structure is simple, and cost is low. And the heat preservation effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of krypton-xenon distillation equipment, in particular to an evaporator direct-connection structure of a krypton-xenon distillation tower. Background Art

[0002] In the production and preparation of high-purity krypton-xenon, a krypton-xenon distillation tower is required to perform preliminary fractionation of the raw material liquid. The distillation tower is mainly composed of components such as the tower body, feed pipe, evaporator, condenser and tower plates. The feed inlet of the evaporator is connected to the discharge port at the bottom of the tower body, and the air outlet of the evaporator is connected to the air inlet at the bottom of the tower body. The liquid outlet of the evaporator can discharge the unevaporated liquid.

[0003] The evaporator of some existing krypton-xenon distillation towers is arranged on the outside of the tower body. The distillation tower and evaporator are respectively fixed in their own cold boxes, where the evaporator is located below the distillation tower. The two are connected by a connecting pipe, and an insulation structure is provided on the outside of the connecting pipe. However, this structure is relatively complex and has poor insulation effect. Therefore, to address the above problems, a direct-connected evaporator structure for a krypton-xenon distillation tower is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide an evaporator direct connection structure for a krypton-xenon distillation tower to solve the problem that the evaporators of some existing krypton-xenon distillation towers are arranged outside the tower body, which is a relatively complex structure and has a poor thermal insulation effect.

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] A krypton-xenon distillation tower evaporator direct connection structure includes a cold box and a first sealing plate, the front side of the cold box is detachably connected to the first sealing plate, the lower side of the interior of the cold box is fixedly connected to a fixed disk, the front side of the fixed disk is engaged with a limit baffle, the front side of the limit baffle is fixedly connected to two transmission plates, the front side of the transmission plate is fixedly connected to the first sealing plate, the upper side of the fixed disk is fixedly connected to a tower body, the front side of the tower body is fixedly connected to a second sealing plate, the outer side of the tower body is fixedly connected to a plurality of fixing sleeves, the inner side of the tower body is fixedly connected to It is connected to multiple tower plates, and a partition plate and a liquid level gauge are fixedly connected at the lower inner side of the tower body. An evaporator is fixedly connected to the lower inner side of the tower body, a feed pipe is fixedly connected to the feeding port of the tower body, and a delivery pipe is fixedly connected to the upper left half of the evaporator. The partition plate is fixedly connected to the delivery pipe through the delivery port, and an exhaust pipe is fixedly connected to the upper right half of the evaporator. The partition plate is fixedly connected to the exhaust pipe through the exhaust port, and a drain pipe is fixedly connected to the lower side of the evaporator. The tower body is fixedly connected to the drain pipe through the drain port.

[0007] Preferably, a first mounting slot and a second mounting slot are provided on the left side of the cold box, the second mounting slot of the cold box is located below the first mounting slot, and a third mounting slot is provided on the left half of the fixed plate.

[0008] Preferably, the cold box is fixedly connected to the feed pipe via a first mounting groove, the cold box is fixedly connected to the drain pipe via a second mounting groove, and the fixed plate is fixedly connected to the drain pipe via a third mounting groove.

[0009] Preferably, a feeding port is provided on the left side of the tower body, a liquid discharge port is provided on the lower side of the tower body, a feeding port is provided on the left half of the partition plate, and an exhaust port is provided on the right half of the partition plate.

[0010] Preferably, the fixed sleeve and the tower plate are distributed at equal distances in the vertical direction, the lower end of the liquid level meter and the upper end of the partition plate are located in the same horizontal plane, and the exhaust pipe is longer than the feed pipe.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] In the utility model, by setting the fixed plate, limit baffle, partition plate, feed pipe and exhaust pipe, the device can separate an independent space for installing the evaporator at the bottom of the tower body through the partition plate, and the tower body and the evaporator are installed together in the cold box. The feed pipe and the exhaust pipe are used as connecting pipes between the tower body and the evaporator, and are fixed together in the cold box. The connecting pipe does not need to be separately provided with an insulation structure. This structure is relatively simple and has a better insulation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is the first cross-sectional view of the overall structure of the utility model;

[0015] Figure 3 This is the second cross-sectional view of the overall structure of the utility model;

[0016] Figure 4 This is the third cross-sectional view of the overall structure of the utility model;

[0017] Figure 5 For this utility model Figure 4 Schematic diagram of the structure at point A.

[0018] In the figure: 1. Cold box; 2. First sealing plate; 3. Fixed plate; 4. Limit baffle; 5. Transmission plate; 6. Tower body; 7. Second sealing plate; 8. Fixed sleeve; 9. Tower plate; 10. Partition plate; 11. Liquid level gauge; 12. Evaporator; 13. Feed pipe; 14. Delivery pipe; 15. Exhaust pipe; 16. Drain pipe. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] In the description of the present invention, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention; the directional words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0021] In addition, it should be noted that the use of words such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above words have no special meaning and therefore cannot be understood as limiting the scope of protection of this utility model.

[0022] See also Figure 1-5 , the utility model provides a technical solution:

[0023] A krypton-xenon distillation tower evaporator direct connection structure includes a cold box 1 and a first sealing plate 2. The front side of the cold box 1 is detachably connected to the first sealing plate 2. The lower side of the interior of the cold box 1 is fixedly connected to a fixed disk 3. The front side of the fixed disk 3 is engaged with a limit baffle 4. The front side of the limit baffle 4 is fixedly connected to two transmission plates 5. The front side of the transmission plate 5 is fixedly connected to the first sealing plate 2. The upper side of the fixed disk 3 is fixedly connected to a tower body 6. The front side of the tower body 6 is fixedly connected to a second sealing plate 7. The outer side of the tower body 6 is fixedly connected to a plurality of fixing sleeves 8. The inner side of the tower body 6 is fixedly connected to a plurality of tower plates 9. A partition plate 10 and a liquid level gauge 11 are fixedly connected to the lower inner side of the tower body 6, an evaporator 12 is fixedly connected to the lower inner side of the tower body 6, a feed pipe 13 is fixedly connected to the feeding port of the tower body 6, a delivery pipe 14 is fixedly connected to the upper left half of the evaporator 12, the partition plate 10 is fixedly connected to the delivery pipe 14 through the delivery port, an exhaust pipe 15 is fixedly connected to the upper right half of the evaporator 12, the partition plate 10 is fixedly connected to the exhaust pipe 15 through the exhaust port, a drain pipe 16 is fixedly connected to the lower side of the evaporator 12, and the tower body 6 is fixedly connected to the drain pipe 16 through the drain port.

[0024] The left side of the cold box 1 is provided with a first mounting groove and a second mounting groove, the second mounting groove of the cold box 1 is located below the first mounting groove, the left half of the fixed plate 3 is provided with a third mounting groove, and the fixed plate 3 can cooperate with the fixed sleeve 8 to fix the tower body 6; the cold box 1 is fixedly connected to the feed pipe 13 through the first mounting groove, the cold box 1 is fixedly connected to the drain pipe 16 through the second mounting groove, and the fixed plate 3 is fixedly connected to the drain pipe 16 through the third mounting groove, and the unevaporated liquid can be discharged through the drain pipe 16; the left side of the tower body 6 A feeding port is provided, a drain port is provided on the lower side of the tower body 6, a feeding port is provided on the left half of the partition plate 10, and an exhaust port is provided on the right half of the partition plate 10. The partition plate 10 can be used to separate an independent space for installing the evaporator 12 at the bottom of the tower body 6; the fixed sleeve 8 and the tower plate 9 are equidistantly distributed in the vertical direction, the lower end of the liquid level meter 11 and the upper end of the partition plate 10 are located on the same horizontal plane, the exhaust pipe 15 is longer than the feeding pipe 14, and the exhaust pipe 15 can discharge steam into the space above the partition plate 10.

[0025] Working process: Turn on the power before use. A condenser is also provided above the cold box 1 of the device. Through the cooperation of the tower body 6, the evaporator 12 and the condenser, the distillation tower can operate normally. When the distillation tower is in operation, the raw material liquid is added to the tower body 6 through the feed pipe 13, and the raw material liquid falls onto multiple tower plates 9. A small amount of raw material liquid falls onto the partition plate 10. The liquid level of the raw material liquid above the partition plate 10 can be monitored by the liquid level meter 11 to prevent the raw material liquid from overflowing the exhaust pipe 15. The device separates an independent space at the lower side of the interior of the tower body 6 through the partition plate 10, and the evaporator 12 is installed inside the tower body 6. The feed pipe 14 and the exhaust pipe 15 are at different heights. The raw material liquid can enter the evaporator 12 through the feed pipe 14. Some components in the raw material liquid are heated by the evaporator 12 to form steam, and the steam can be discharged into the space above the partition plate 10 through the exhaust pipe 15, so that the raw material liquid on the tower plate 9 When the feed liquid is heated, it can be fractionated, and the unevaporated feed liquid can be discharged through the drain pipe 16. The tower body 6 is fixed to the inside of the cold box 1 through the fixed disk 3 and the fixed sleeve 8. The tower body 6 is detachably mounted with a second sealing plate 7, and the cold box 1 is detachably mounted with a first sealing plate 2. The first sealing plate 2 is fixedly connected through the transmission plate 5 and the limit baffle 4. When the evaporator 12 needs to be repaired or replaced, the first sealing plate 2, the limit baffle 4 and the second sealing plate 7 can be removed, and the evaporator 12 can be repaired or replaced; the device can be separated into an independent space for installing the evaporator 12 at the bottom of the tower body 6 through the partition plate 10, and the tower body 6 and the evaporator 12 are installed in the cold box 1 together, and the feed pipe 14 and the exhaust pipe 15 are used as connecting pipes between the tower body 6 and the evaporator 12, which are fixed together in the cold box 1. The connecting pipe does not need to be separately provided with an insulation structure. This structure is relatively simple and has a good insulation effect.

[0026] Any matters not described in detail in this specification are prior art known to those skilled in the art. Standard parts used in this utility model are commercially available, and special-shaped parts can be customized according to the description in the specification and the accompanying drawings. The specific connection methods of each part are all conventional means such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts, and equipment are all conventional models in the prior art, and the circuit connections use conventional connection methods in the prior art, which will not be described in detail here.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A krypton-xenon distillation column evaporator direct connection structure, comprising a cold box (1) and a first sealing plate (2), characterized in that: The front side of the cold box (1) is detachably connected to a first sealing plate (2); the inner lower side of the cold box (1) is fixedly connected to a fixed disk (3); the front side of the fixed disk (3) is engaged with a limit baffle (4); the front side of the limit baffle (4) is fixedly connected to two transmission plates (5); the front side of the transmission plate (5) is fixedly connected to the first sealing plate (2); the upper side of the fixed disk (3) is fixedly connected to a tower body (6); the front side of the tower body (6) is fixedly connected to a second sealing plate (7); the outer side of the tower body (6) is fixedly connected to a plurality of fixing sleeves (8); the inner side of the tower body (6) is fixedly connected to a plurality of tower plates (9); the inner lower position of the tower body (6) is fixed A partition plate (10) and a liquid level meter (11) are connected, an evaporator (12) is fixedly connected to the lower side of the interior of the tower body (6), a feed pipe (13) is fixedly connected to the feeding port of the tower body (6), a delivery pipe (14) is fixedly connected to the upper left half of the evaporator (12), the partition plate (10) is fixedly connected to the delivery pipe (14) through the delivery port, an exhaust pipe (15) is fixedly connected to the upper right half of the evaporator (12), the partition plate (10) is fixedly connected to the exhaust pipe (15) through the exhaust port, a drain pipe (16) is fixedly connected to the lower side of the evaporator (12), and the tower body (6) is fixedly connected to the drain pipe (16) through the drain port.

2. The evaporator direct connection structure of the krypton-xenon distillation tower according to claim 1, characterized in that: A first mounting slot and a second mounting slot are provided on the left side of the cold box (1), the second mounting slot of the cold box (1) is located below the first mounting slot, and a third mounting slot is provided on the left half of the fixed plate (3).

3. The evaporator direct connection structure of the krypton-xenon distillation tower according to claim 1, characterized in that: The cold box (1) is fixedly connected to the feed pipe (13) via a first mounting groove, the cold box (1) is fixedly connected to the drain pipe (16) via a second mounting groove, and the fixed plate (3) is fixedly connected to the drain pipe (16) via a third mounting groove.

4. The evaporator direct connection structure of a krypton-xenon distillation tower according to claim 1, characterized in that: The left side of the tower body (6) is provided with a feeding port, the lower side of the tower body (6) is provided with a liquid discharge port, the left half of the partition plate (10) is provided with a feeding port, and the right half of the partition plate (10) is provided with an exhaust port.

5. The evaporator direct connection structure of the krypton-xenon distillation tower according to claim 1, characterized in that: The fixed sleeve (8) and the tower plate (9) are both distributed at equal distances in the vertical direction, the lower end of the liquid level meter (11) and the upper end of the partition plate (10) are located at the same horizontal plane, and the exhaust pipe (15) is longer than the feed pipe (14).

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