CN218962571U

CN218962571U - Tray for urea synthesis tower

Info

Publication number: CN218962571U
Application number: CN202222794986.7U
Authority: CN
Inventors: 冯祥华; 邓强; 陈卫华; 张力; 邓辉; 冯小林; 谢长华; 田文成
Original assignee: Huaqiang Chemical Group Co Ltd
Current assignee: Huaqiang Chemical Group Co Ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-05-05
Anticipated expiration: 2032-10-20

Abstract

The utility model relates to a tower tray for a urea synthesis tower, which comprises a first tower tray and a second tower tray, wherein the first tower tray and the second tower tray are in butt joint to form the tower tray, an air lifting structure is arranged at the edge of the top of the first tower tray, the air lifting structure comprises an air lifting frame, air lifting holes are uniformly formed in one side, close to the edge of the first tower tray, of the air lifting frame, the size of the first tower tray is the same as that of the second tower tray, connecting holes are formed in the edge of the first tower tray and the edge of the second tower tray, hook head bolts are inserted into the connecting holes, two supporting plates are arranged between the top of the inner wall of the air lifting frame and the top of the first tower tray, and the two supporting plates are respectively positioned at positions, close to two sides, of the air lifting frame; according to the utility model, through the gas lifting structure arranged at the top of the first tray, the residence time of carbon dioxide and ammonia in the urea synthesis tower can be prolonged, and materials for synthesizing urea can be fully reacted, so that the urea conversion efficiency is improved.

Description

Tray for urea synthesis tower

Technical Field

The utility model relates to the technical field of accessories of urea synthesis towers, in particular to a tower tray for a urea synthesis tower.

Background

The urea synthesis tower is equipment for synthesizing urea from ammonia and carbon dioxide at high pressure and high temperature, and the production of urea mainly looks at the carbon dioxide conversion rate of the urea synthesis tower, and the higher the conversion rate is, the lower the consumption of producing urea is.

The existing urea synthesis tower has the following problems that the common tower tray in the urea synthesis tower cannot fully mix materials in the tower, the residence time of the materials in the tower is short, and further the urea conversion efficiency is reduced, so that the tower tray for the urea synthesis tower needs to be designed to improve the conversion rate of urea production.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a tower tray for a urea synthesis tower, which is used for solving the problems proposed by the background art.

The tower tray for the urea synthesis tower comprises a first tower tray and a second tower tray, wherein the first tower tray and the second tower tray are in butt joint to form the tower tray, an air lifting structure is arranged at the edge of the top of the first tower tray, the air lifting structure comprises an air lifting frame, and air lifting holes are uniformly formed in one side, close to the edge of the first tower tray, of the air lifting frame.

As a further improvement of the utility model, the first tray and the second tray are semicircular in top view, and the first tray and the second tray are the same in size.

As a further improvement of the utility model, a first butt joint plate and a second butt joint plate are respectively arranged on opposite sides of the first tray and the second tray, and the middle parts of the first butt joint plate and the second butt joint plate are respectively provided with a first threaded hole and a second threaded hole at equal intervals along the horizontal direction.

As a further improvement of the utility model, the positions of the first threaded hole and the second threaded hole are in one-to-one correspondence, and a connecting bolt is connected between the first threaded hole and the second threaded hole in a threaded manner.

As a further improvement of the utility model, the first hanging lugs are arranged at the top of the first tray and near the two sides of the center.

As a further improvement of the utility model, the top of the second tray is provided with second lugs at positions close to the two sides of the center.

As a further improvement of the utility model, the edge of the first tray and the edge of the second tray are respectively provided with a connecting hole, and the inside of each connecting hole is inserted with a hook bolt.

As a further improvement of the utility model, two supporting plates are arranged between the top of the inner wall of the gas lifting frame and the top of the first tray, and the two supporting plates are respectively positioned at the positions of the gas lifting frame close to two sides.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the gas lifting frames arranged on the first tray are matched with the gas lifting holes arranged in the gas lifting frames, so that the movement direction of carbon dioxide and ammonia in the urea synthesizing tower can be changed, and the residence time of the carbon dioxide and the ammonia in the urea synthesizing tower can be prolonged through the arrangement of the gas lifting frames in the adjacent two layers of trays in a left-right staggered manner, so that the materials for synthesizing urea fully react, and the urea conversion efficiency is improved.

2. According to the utility model, the first butt joint plate and the second butt joint plate are respectively arranged on the first tray and the second tray, and are matched with the first threaded hole and the threaded hole which are arranged on the first butt joint plate and the second butt joint plate, so that the first butt joint plate and the second butt joint plate can be fixed through the connecting bolts, the stability of the whole tray is ensured, the tray is also convenient to assemble and disassemble by a worker, the tray is convenient to hoist by the worker through the first hanging lugs and the second hanging lugs which are respectively arranged on the first tray and the second tray, the tray is convenient to install in a urea synthesis tower, and the worker is convenient to weld the lift frame on the first tray through the supporting plates which are arranged in the lift frame, so that the stability of the lift frame is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;

FIG. 2 is a schematic top view of the whole structure of the present utility model;

FIG. 3 is a schematic perspective view of a first tray of the present utility model;

FIG. 4 is a schematic diagram of the tray structure of each layer in the urea synthesis tower of the present utility model.

In the figure: 1. a first tray; 2. an air lifting frame; 3. an ascending air hole; 4. a support plate; 5. a first hanger; 6. a first butt plate; 7. a first threaded hole; 8. a second tray; 9. a second hanger; 10. a second butt plate; 11. a connecting bolt; 12. hook bolt.

Detailed Description

Various embodiments of the present utility model are disclosed in the following drawings, which are presented in sufficient detail to provide a thorough understanding of the present utility model. However, it should be understood that these physical details should not be used to limit the utility model. That is, in some embodiments of the present utility model, these physical details are not necessary. Moreover, for the sake of simplicity of illustration, some well-known and conventional structures and components are shown in the drawings in a simplified schematic manner.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present technology, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in the art will be understood in a specific manner by those of ordinary skill in the art.

In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1-4, the tray for a urea synthesis tower of the present utility model comprises a first tray 1 and a second tray 8, wherein the first tray 1 and the second tray 8 are in butt joint to form a tray, an air lift structure is arranged at the edge of the top of the first tray 1, the air lift structure comprises an air lift frame 2, air lift holes 3 are uniformly formed in one side of the air lift frame 2, which is close to the edge of the first tray 1, the top view surfaces of the first tray 1 and the second tray 8 are semicircular, and the size of the first tray 1 is the same as that of the second tray 8.

It should be noted that, as shown in fig. 4, the trays are provided with a plurality of trays in the urea synthesis tower along the vertical direction, and two adjacent trays are symmetrically arranged, that is, the first tray 1 and the gas raising structure in two adjacent trays are also arranged in a left-right staggered manner, and the gas raising holes 3 arranged in the gas raising frame 2 are matched, so that the movement direction of carbon dioxide and ammonia in the urea synthesis tower can be changed, the residence time of the carbon dioxide and ammonia in the urea synthesis tower can be prolonged, the materials for synthesizing urea can be fully reacted, and the urea conversion efficiency is improved.

In this embodiment, in order to facilitate assembling between the first tray 1 and the second tray 8, opposite sides of the first tray 1 and the second tray 8 are respectively provided with a first abutting plate 6 and a second abutting plate 10, middle portions of the first abutting plate 6 and the second abutting plate 10 are respectively provided with a first threaded hole 7 and a second threaded hole in equidistant separation along a horizontal direction, positions of the first threaded hole 7 and the second threaded hole are in one-to-one correspondence, and a connecting bolt 11 is connected between the first threaded hole 7 and the second threaded hole in a threaded manner.

Through above-mentioned technical scheme design for first tray 1 and second tray 8 can assemble through the mode that first butt joint board 6 and second butt joint board 10 dock, and fix through the mode of screwing in connecting bolt 11 to first screw hole 7 and second screw hole, the staff of being convenient for assemble the tray.

For the staff of being convenient for install the tower tray in the inside of urea synthetic tower, in this embodiment, the position department that just is close to the central both sides at first tower tray 1 top all is provided with first hangers 5, and the position department that just is close to the central both sides at second tower tray 8 top all is provided with second hangers 9, and the connecting hole has all been seted up to the edge of first tower tray 1 and the edge of second tower tray 8, and peg graft in the inside of connecting hole has gib head bolt 12.

The arrangement of the first hanging lugs 5 and the second hanging lugs 9 is convenient for a worker to hoist the tray by using hoisting equipment, and the arrangement of the hook head bolts 12 is convenient for the worker to fixedly connect the tray with the inner wall of the urea synthesis tower.

In this embodiment, two support plates 4 are provided between the top of the inner wall of the lift frame 2 and the top of the first tray 1, and the two support plates 4 are respectively located at positions of the lift frame 2 near both sides.

It should be noted that, the whole of the lift frame 2 and the support plate 4 are fixedly connected with the first tray 1 by welding, so as to improve stability.

The foregoing description is only illustrative of the utility model and is not to be construed as limiting the utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principle of the present utility model, should be included in the scope of the claims of the present utility model.

Claims

1. Tray for urea synthesis column, comprising a first tray (1) and a second tray (8), characterized in that: the first tower tray (1) and the second tower tray (8) are in butt joint to form a tower tray, and an air lifting structure is arranged at the edge of the top of the first tower tray (1);

the gas lifting structure comprises a gas lifting frame (2), and gas lifting holes (3) are uniformly formed in one side, close to the edge of the first tray (1), of the gas lifting frame (2).

2. A tray for a urea synthesis column according to claim 1, characterized in that: the top surfaces of the first tray (1) and the second tray (8) are semicircular, and the size of the first tray (1) is the same as that of the second tray (8).

3. A tray for a urea synthesis column according to claim 2, characterized in that: the first tower tray (1) and the second tower tray (8) are provided with first butt joint board (6) and second butt joint board (10) respectively on one side opposite to each other, the middle part of first butt joint board (6) and second butt joint board (10) is left along the horizontal direction equidistance respectively and is equipped with first screw hole (7) and second screw hole.

4. A tray for a urea synthesis column according to claim 3, characterized in that: the positions of the first threaded holes (7) and the second threaded holes are in one-to-one correspondence, and connecting bolts (11) are connected between the first threaded holes (7) and the second threaded holes in a threaded mode.

5. A tray for a urea synthesis column according to claim 1, characterized in that: the top of the first tray (1) and the positions close to the two sides of the center are provided with first hangers (5).

6. A tray for a urea synthesis column according to claim 1, characterized in that: and second hangers (9) are arranged at the top of the second tray (8) and at positions close to the two sides of the center.

7. A tray for a urea synthesis column according to claim 1, characterized in that: connecting holes are formed in the edge of the first tray (1) and the edge of the second tray (8), and hook head bolts (12) are inserted into the connecting holes.

8. A tray for a urea synthesis column according to claim 1, characterized in that: two support plates (4) are arranged between the top of the inner wall of the gas lifting frame (2) and the top of the first tray (1), and the two support plates (4) are respectively positioned at positions, close to two sides, of the gas lifting frame (2).