阅读说明：本技术 一种流化冷却装置 (Fluidization cooling device ) 是由 曹万秋 王剑 于 2019-03-25 设计创作，主要内容包括：本发明涉及一种流化冷却装置。包括L形壳体,L形壳体由垂直段壳体和水平段壳体构成,在垂直段壳体内设有第一冷却水管,第一冷却水管的两端伸出垂直段壳体,在垂直段壳体的顶部设有进料口,在水平段壳体内设有第二冷却水管,第二冷却水管的两端伸出水平段壳体,在水平段壳体的未端设有出料口,垂直段壳体和水平段壳体的下方分别设有第一气体分布室和第二气体分布室,第一气体分布室和第二气体分布室之间设有隔板,第一气体分布室和第二气体分布室分别连接进气管,第一气体分布室和第二气体分布室设有通向垂直段壳体和水平段壳体的出气口,在水平段壳体进料侧设有主导流板,在水平段壳体内第二冷却水管间隙处设有辅导流板。本发明提高物料的冷却效果。(The present invention relates to a fluidized cooling device. Comprises an L-shaped shell, the L-shaped shell consists of a vertical section shell and a horizontal section shell, a first cooling water pipe is arranged in the vertical section shell, two ends of the first cooling water pipe extend out of the vertical section shell, a feed inlet is arranged at the top of the vertical section shell, a second cooling water pipe is arranged in the horizontal section shell, two ends of the second cooling water pipe extend out of the horizontal section shell, a discharge hole is arranged at the tail end of the horizontal section shell, a first gas distribution chamber and a second gas distribution chamber are respectively arranged below the vertical section shell and the horizontal section shell, a partition plate is arranged between the first gas distribution chamber and the second gas distribution chamber, the first gas distribution chamber and the second gas distribution chamber are respectively connected with a gas inlet pipe, gas outlets leading to the vertical section shell and the horizontal section shell are arranged in the first gas distribution chamber and the second gas distribution chamber, the feeding side of the horizontal section shell is provided with a main guide plate, and the gap of the second cooling water pipe in the horizontal section shell is provided with an auxiliary guide plate. The invention improves the cooling effect of the material.)

1. A fluidized cooling device is characterized by comprising an L-shaped shell, wherein the L-shaped shell consists of a vertical section shell and a horizontal section shell, a first cooling water pipe is arranged in the vertical section shell, two ends of the first cooling water pipe extend out of the vertical section shell, a feed inlet is arranged at the top of the vertical section shell, a second cooling water pipe is arranged in the horizontal section shell, two ends of the second cooling water pipe extend out of the horizontal section shell, a discharge outlet is arranged at the tail end of the horizontal section shell, a first gas distribution chamber and a second gas distribution chamber are respectively arranged below the vertical section shell and the horizontal section shell, a partition plate is arranged between the first gas distribution chamber and the second gas distribution chamber, the first gas distribution chamber and the second gas distribution chamber are respectively connected with a gas inlet pipe, gas outlets leading to the vertical section shell and the horizontal section shell are arranged in the first gas distribution chamber and the second gas distribution chamber, a main flow guide plate is arranged at the feed side of the horizontal section shell, and an auxiliary guide flow plate is arranged at the gap of the second cooling water pipe in the horizontal section shell.

2. A fluidized cooling device in accordance with claim 1 wherein said first and second cooling water tubes are serpentine in said vertical and horizontal section housings.

3. A fluidized cooling device in accordance with claim 2 wherein the cooling water outlet of the first cooling water tube extends from the upper portion of the vertical section housing and the cooling water inlet of the first cooling water tube extends from the lower portion of the vertical section housing.

4. A fluidized cooling device as defined in claim 2 wherein the cooling water outlet of the second cooling water pipe extends from the top of the feed side of the horizontal shell, and the cooling water inlet of the second cooling water pipe extends from the top of the discharge side of the horizontal shell.

5. A fluidized cooling device in accordance with claim 1 wherein said outlet is located at an upper portion of the side of the horizontal section housing.

6. A fluidized cooling device as defined in claim 1 wherein said main and auxiliary flow guide plates are provided with guy wires at the top thereof, the ends of the guy wires being disposed above the horizontal section of the housing.

7. A fluidising cooling device as claimed in claim 6 in which the length of the main deflector is greater than the length of the subsidiary deflector.

8. A fluidized cooling device as claimed in claim 1 wherein the vertical section housing is provided with an auxiliary fluidizing air duct at the outer side of the lower portion thereof, the auxiliary fluidizing air duct being obliquely inserted into the vertical section housing.

9. A fluidized cooling device in accordance with claim 1 wherein said inlet duct is connected to a main air duct, and wherein said inlet duct is provided with a gas regulating valve.

10. A fluidized cooling device in accordance with claim 1 wherein a gas collection port is provided at the top of the horizontal section housing.

Technical Field

The invention relates to a cooling device, in particular to a fluidization cooling device which is used for cooling various solid powdery particles, prolonging the material cooling time and improving the material cooling effect.

Background

In the production process of aluminum oxide, a fluidized cooler is one of the most important devices in the roasting section of aluminum hydroxide, the cooling effect of the fluidized cooler has great influence on the production performance of the whole aluminum plant, and the existing fluidized cooler adopts a linear structure and has the defects of poor flowability, poor heat exchange effect and the like. According to the fluid simulation technology and experimental tests, the following novel fluidized cooling device is invented.

Disclosure of Invention

The invention provides a fluidization cooling device for solving the technical problems, and aims to prolong the material cooling time, improve the material cooling effect and improve the retention time of materials.

The invention relates to a fluidization cooling device, which comprises an L-shaped shell, wherein the L-shaped shell consists of a vertical section shell and a horizontal section shell, a first cooling water pipe is arranged in the vertical section shell, two ends of the first cooling water pipe extend out of the vertical section shell, a feed inlet is arranged at the top of the vertical section shell, a second cooling water pipe is arranged in the horizontal section shell, two ends of the second cooling water pipe extend out of the horizontal section shell, a discharge outlet is arranged at the tail end of the horizontal section shell, a first gas distribution chamber and a second gas distribution chamber are respectively arranged below the vertical section shell and the horizontal section shell, a partition plate is arranged between the first gas distribution chamber and the second gas distribution chamber, the first gas distribution chamber and the second gas distribution chamber are respectively connected with a gas inlet pipe, gas outlets leading to the vertical section shell and the horizontal section shell are arranged in the first gas distribution chamber and the second gas distribution chamber, a main flow guide plate is arranged at the feed side of the horizontal section shell, and an auxiliary guide flow plate is arranged at the gap of the second cooling water pipe in the horizontal section shell.

The first cooling water pipe and the second cooling water pipe are arranged in a snake shape in the vertical section shell and the horizontal section shell.

The cooling water outlet of the first cooling water pipe extends out of the upper part of the vertical section shell, and the cooling water inlet of the first cooling water pipe extends out of the lower part of the vertical section shell.

And a cooling water outlet of the second cooling water pipe extends out of the top of the feeding side of the horizontal section shell, and a cooling water inlet of the second cooling water pipe extends out of the top of the discharging side of the horizontal section shell.

The discharge port is arranged at the upper part of the side surface of the horizontal section shell.

The top parts of the main guide flow plate and the auxiliary guide flow plate are provided with pull wires, and the end parts of the pull wires are arranged above the horizontal section shell.

The length of the main guide flow plate is greater than that of the auxiliary guide flow plate.

And an auxiliary fluidizing air pipe is arranged on the outer side of the lower part of the vertical section shell, and the auxiliary fluidizing air pipe is obliquely inserted into the vertical section shell.

The air inlet pipe is connected with the main air pipe, and the air inlet pipe is provided with an air regulating valve.

The top of the horizontal section shell is provided with an air collecting opening.

The invention has the advantages and effects that: the invention increases the travel of the material in the shell due to the L shape, and is provided with two cooling water pipes, thereby increasing the heat exchange time and enhancing the fluidization of the material by feeding air from the bottom.

The invention is suitable for cooling solid powdery particles, and can cool the material from high temperature to target temperature by cooling water and fluidized air. The invention can meet the requirements of both residence time and cooling effect, and can adapt to the change of productivity by changing the fluidization air volume and the auxiliary air volume. The invention can greatly improve the cooling effect of the material.

Drawings

Fig. 1 is a schematic structural view of the present invention.

In the figure: 1. a feed inlet; 2. a discharge port; 3. an auxiliary fluidization air pipe; 4. a vertical section housing; 5. a horizontal section housing; 6. a first gas distribution chamber; 7. a second gas distribution chamber; 8. a gas regulating valve; 9. a main air duct; 10. a partition plate; 11. a cooling water inlet of the second cooling water pipe; 12. a cooling water outlet 13 of the second cooling water pipe and the second cooling water pipe; 14. a cooling water outlet of the first cooling water pipe; 15. a first cooling water pipe; 16. a cooling water inlet of the first cooling water pipe; 17. a main flow guide plate; 18. an air inlet pipe; 19. an air outlet; 20. an auxiliary guide plate; 21. a pull wire; 22. an air collection port.

Detailed Description

The following detailed description of the embodiments of the present invention is provided in connection with the accompanying drawings, but the scope of the present invention is not limited by the embodiments.

As shown in the figure, the fluidization cooling device comprises an L-shaped shell, the L-shaped shell is composed of a vertical section shell 4 and a horizontal section shell 5, a first cooling water pipe 15 is arranged in the vertical section shell 4, two ends of the first cooling water pipe 15 extend out of the vertical section shell 4, a feed inlet 1 is arranged at the top of the vertical section shell 4, a second cooling water pipe 13 is arranged in the horizontal section shell 5, two ends of the second cooling water pipe 13 extend out of the horizontal section shell 5, a discharge outlet 2 is arranged at the tail end of the horizontal section shell 5, a first gas distribution chamber 6 and a second gas distribution chamber 7 are respectively arranged below the vertical section shell 4 and the horizontal section shell 5, a partition plate 10 is arranged between the first gas distribution chamber 6 and the second gas distribution chamber 7, the first gas distribution chamber 6 and the second gas distribution chamber 7 are respectively connected with a gas inlet pipe 18, the gas inlet pipe 18 enters from the bottoms of the first gas distribution chamber 6 and the second gas distribution chamber 7, the first gas distribution chamber 6 and the second gas distribution chamber 7 are provided with gas outlets 19 leading to the vertical section shell 4 and the horizontal section shell 5, a main guide plate 17 is arranged at the feeding side of the horizontal section shell 5, and an auxiliary guide plate 20 is arranged at the gap of the second cooling water pipe 13 in the horizontal section shell 5. The first cooling water pipe 15 and the second cooling water pipe 13 are arranged in a serpentine shape in the vertical section shell 4 and the horizontal section shell 5, the cooling water outlet 14 of the first cooling water pipe extends from the upper part of the vertical section shell 4, and the cooling water inlet 16 of the first cooling water pipe extends from the lower part of the vertical section shell. And a cooling water outlet 12 of the second cooling water pipe extends out of the top of the feeding side of the horizontal section shell 5, and a cooling water inlet 11 of the second cooling water pipe extends out of the top of the discharging side of the horizontal section shell 5.

The discharge port 1 is arranged at the upper part of the side surface of the horizontal section shell 5.

The top of the main guide flow plate 17 and the auxiliary guide flow plate 20 is provided with a pull wire 21, the end part of the pull wire 21 is arranged above the horizontal section shell 5, and the length of the main guide flow plate 17 is larger than that of the auxiliary guide flow plate 20.

And an auxiliary fluidizing air pipe 3 is arranged on the outer side of the lower part of the vertical section shell 4, and the auxiliary fluidizing air pipe 3 is obliquely inserted into the vertical section shell 4.

The air inlet pipe 18 is connected with the main air pipe 9, and the air inlet pipe 18 is provided with an air regulating valve 8.

The top of the horizontal section shell 5 is provided with an air collecting opening 22.

The working principle of the invention is as follows: the material enters from the feed inlet, firstly enters the vertical section shell, is in a fluidized state (dense phase) under the action of fluidized air, and fully contacts with the first cooling water pipe, so that a certain cooling effect is achieved. The material enters the horizontal shell under the action of the fluidizing air in the first gas distribution chamber and the fluidizing air in the auxiliary fluidizing air pipe, is in a fluidizing state under the action of cooling air in the second gas distribution chamber, and fully contacts with the second cooling water pipe under the action of the main guide plate and the auxiliary guide plate, so that the cooling purpose is achieved.

The material channel opening L between the vertical section shell 4 and the horizontal section shell 5 can be adjusted according to actual conditions, and the main guide plate is pulled by a pull wire to control the material channel opening. The angle a of the auxiliary fluidizing air duct 3 should be determined according to the material characteristics.

The fluidization air velocity in the first gas distribution chamber 6 is much lower than the fluidization air velocity in the second gas distribution chamber 7.

The fluidized wind of the first gas distribution chamber 6 enters the vertical section shell and is discharged from the feed inlet 1, and the fluidized wind of the second gas distribution chamber 7 enters the horizontal section shell and is discharged from the gas collection port.