CN216890680U

CN216890680U - Fluidized bed furnace for cooling gypsum powder and recycling heat

Info

Publication number: CN216890680U
Application number: CN202220207017.4U
Authority: CN
Inventors: 张思坦; 张庆绪
Original assignee: Bengbu Baijia New Building Materials Co ltd
Current assignee: Bengbu Baijia New Building Materials Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-07-05
Anticipated expiration: 2032-01-25

Abstract

The utility model discloses a fluidized bed furnace for cooling gypsum powder and recycling heat, which comprises a fluidized bed furnace main body, wherein a high-temperature gypsum powder inlet and a cooled gypsum powder outlet are formed in the fluidized bed furnace main body, an air distribution plate is arranged in the fluidized bed furnace main body, an air cover is arranged below the air distribution plate, an air conveying pipe is arranged on the air cover, an air blower is arranged at the end part of the air conveying pipe, a cold air straight pipe and a hot air straight pipe are arranged on the air distribution plate, a cold air arc pipe is arranged between the cold air straight pipe and the hot air straight pipe, a cold air pipe is arranged at the end part of the hot air straight pipe, an air cooler is arranged at one end of the cold air pipe, which is far away from the hot air straight pipe, and a hot air output pipe is arranged at one end of the hot air straight pipe, which is far away from the cold air arc pipe. According to the gypsum powder cooling device, the gypsum powder is cooled and the heat is recovered for utilization through the series of structures, the cold air can be dispersed into each cold air straight pipe through the cold air converging cavity, the cold air is uniformly dispersed, the dispersed hot air can be collected in a centralized manner through the hot air converging cavity, and the gypsum powder cooling device is convenient and rapid to use and saves cost.

Description

Fluidized bed furnace for cooling gypsum powder and recycling heat

Technical Field

The utility model relates to the technical field of a fluidized bed furnace for cooling gypsum powder and recycling heat, in particular to a fluidized bed furnace for cooling gypsum powder and recycling heat.

Background

The gypsum is generally white or colorless and transparent, and when the gypsum contains impurities, the gypsum is grey brown, yellow and the like, and after the gypsum is hardened, a large number of pores are formed in the gypsum, and the porosity can reach 50% -60%, so that the gypsum has low density and low strength. After the building gypsum is hardened, the building gypsum has strong hygroscopicity, after moisture absorption, the bonding force among crystals is weakened, the strength is obviously reduced, the crystals are dissolved in water to cause damage, and after the moisture absorption, the crystals are frozen and are more easily cracked, a calcining fluidized bed furnace is needed to process in the production process of the gypsum powder, and a large amount of heat is generated in the working process of the fluidized bed furnace.

During the production of building gypsum, calcined gypsum powder is generally above 150 ℃, and due to different requirements of use and subsequent treatment, the calcined gypsum powder needs to be cooled, and heat generated by cooling cannot be well treated and directly discharged outside, so that heat waste and loss are caused, and the conventional device cannot realize heat recycling, so that heat waste is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fluidized bed furnace for cooling gypsum powder and recycling heat, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a fluidized bed furnace of cooling gesso and recycle heat utilization, includes the fluidized bed furnace main part, be provided with high temperature gesso entry and cooling back gesso export in the fluidized bed furnace main part, be provided with the air distribution plate in the fluidized bed furnace main part, the below of air distribution plate is provided with the fan housing, be provided with the defeated tuber pipe on the fan housing, the tip of defeated tuber pipe is provided with the air-blower, be provided with cold wind straight tube and hot-blast straight tube on the air distribution plate, be provided with the cold wind arc tube between cold wind straight tube and the hot-blast straight tube, the tip of hot-blast straight tube is provided with the cold air pipe, the one end that hot-blast straight tube was kept away from to the cold air pipe is provided with the air-cooler, the one end that cold wind arc tube was kept away from to hot-blast straight tube is provided with hot-blast output tube.

Preferably, an air duct partition plate is arranged between the fan cover and the air distribution plate, a cold air converging cavity is arranged on one side of the air duct partition plate, and a hot air converging cavity is arranged on the other side of the air duct partition plate.

Preferably, the cold air straight pipe is communicated with the cold air pipe through the cold air converging cavity, and the fan cover is provided with a cold air inlet matched with the cold air pipe.

Preferably, the hot air straight pipe is connected with the hot air output pipe through a hot air converging cavity, and the fan cover is provided with a hot air outlet matched with the hot air output pipe.

Preferably, a hot air outlet is arranged below the cooled gypsum powder outlet.

Preferably, a plurality of holes are uniformly formed in the air distribution plate.

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

1. this cooling gesso and recycle heat utilization's fluidized bed furnace, through the cold wind straight tube, cold wind pipe and hot-blast straight tube combine to use, high temperature gesso after calcining gets into in the fluidized bed furnace main part from high temperature gesso entry back, through the air-blower, defeated tuber pipe and fan housing see through the air distributor and blow in the fluidized bed furnace main part with wind, let the gesso boiling, rethread cold air fan, cold wind pipe blows in cold wind to the cold wind straight tube, cold wind cools down the gesso after the hot-blast straight tube again through the cold wind arc from the cold wind straight tube, later derive hot-blast this utilization again through hot-blast output tube, the purpose of cooling gesso and recycle heat utilization has been realized.

2. This cooling gesso and recycle heat utilization's fluidized bed furnace, through cold wind converging cavity, hot-blast converging cavity combination use, cold wind accessible cold wind converging cavity disperses to each cold wind straight pipe in, realizes the homodisperse of cold wind, and hot-blast converging cavity can be concentrated the collection with the hot-blast of dispersion, convenient and fast and practice thrift the cost.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

FIG. 2 is a bottom view of the fan housing of the present invention;

fig. 3 is a schematic structural view of embodiment 2.

In the figure: 1. a fluidized bed furnace main body; 2. a high-temperature gypsum powder inlet; 3. discharging cooled gypsum powder; 4. a wind distribution plate; 5. a wind delivery pipe; 6. a blower; 7. a fan housing; 8. a hot air output pipe; 9. a cold air pipe; 10. an air cooler; 11. a cold air straight pipe; 12. a cold air arc pipe; 13. a cold air converging cavity; 14. a hot air straight pipe; 15. an air inlet; 16. a cold air inlet; 17. a hot air outlet; 18. an air duct partition plate; 19. a hot air converging cavity; 20. and a hot air outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1 and fig. 2, the fluidized bed furnace for cooling gypsum powder and recycling heat comprises a fluidized bed furnace main body 1, a high-temperature gypsum powder inlet 2 and a cooled gypsum powder outlet 3 are arranged on the fluidized bed furnace main body 1, an air distribution plate 4 is arranged in the fluidized bed furnace main body 1, the air distribution plate 4 is used for uniformly dispersing air and supporting high-temperature gypsum powder, an air hood 7 is arranged below the air distribution plate 4, the air hood 7 makes the air blow the air distribution plate 4 more concentrated, an air duct 5 is arranged on the air hood 7, an air blower 6 is arranged at the end of the air duct 5, the air blower 6 can generate air, a cold air straight pipe 11 and a hot air straight pipe 14 are arranged on the air distribution plate 4, a cold air arc pipe 12 is arranged between the cold air straight pipe 11 and the hot air straight pipe 14, a cold air pipe 9 is arranged at the end of the hot air straight pipe 14, an air cooler 10 is arranged at one end of the cold air pipe 9 far away from the hot air straight pipe 14, the air cooler 10 can generate cold air, one end of the hot air straight pipe 14 far away from the cold air arc pipe 12 is provided with a hot air output pipe 8.

Specifically, a plurality of holes are uniformly arranged on the air distribution plate 4, so that the air is blown into the fluidized bed furnace main body 1.

Furthermore, a hot air outlet 20 is arranged below the cooled gypsum powder outlet 3, so that the hot air in the fluidized bed furnace main body 1 is discharged.

The using method of the embodiment comprises the following steps: through cold wind straight tube 11, cold wind pipe 12 and hot-blast straight tube 14 combine the use, the high temperature gesso after calcining gets into in the fluidized bed furnace main part 1 from high temperature gesso entry 2 after, through air-blower 6, defeated tuber pipe 5 and fan housing 7 see through the air distribution plate 4 with the wind and blow in fluidized bed furnace main part 1, let the gesso boil, rethread cold air fan 10, cold wind pipe 9 blows in cold wind to cold wind straight tube 11, cold wind cools down the gesso after hot-blast straight tube 14 again through cold wind pipe 12 from cold wind straight tube 11, later, it recycles to lead out hot-blast through hot-blast output tube 8, the purpose of cooling gesso and recycle heat has been realized.

Example 2

The structure of the fluidized bed furnace for cooling gypsum powder and recycling heat is basically the same as that of the fluidized bed furnace for cooling gypsum powder and recycling heat in embodiment 1, and the difference is that: an air duct partition plate 18 is arranged between the air hood 7 and the air distribution plate 4, the air duct partition plate 18 can separate the cold air straight pipes 11 from the hot air straight pipes 14, one side of the air duct partition plate 18 is provided with a cold air converging cavity 13, the other side of the air duct partition plate 18 is provided with a hot air converging cavity 19, the cold air straight pipes 11 are communicated with the cold air pipes 9 through the cold air converging cavity 13, the air hood 7 is provided with cold air inlets 16 matched with the cold air pipes 9, the hot air straight pipes 14 are connected with the hot air output pipes 8 through the hot air converging cavity 19, the air hood 7 is provided with hot air outlets 17 matched with the hot air output pipes 8, cold air can be dispersed into the cold air straight pipes 11 through the cold air converging cavity 13, uniform dispersion of cold air is achieved, and the dispersed hot air can be collected in a centralized mode by the hot air converging cavity 19 and can be discharged through the hot air output pipes 8 and then reused (see fig. 3).

The using method of the embodiment comprises the following steps: through the combination use of cold air converging cavity 13 and hot air converging cavity 19, cold air can be dispersed into each cold air straight pipe 11 through cold air converging cavity 13, the uniform dispersion of cold air is realized, and hot air converging cavity 19 can collect the dispersed hot air in a concentrated manner, so that the device is convenient and fast and saves cost.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a cooling gesso and recycle heat utilization's fluidized bed furnace, includes fluidized bed furnace main part (1), its characterized in that: the fluidized bed furnace main body (1) is provided with a high-temperature gypsum powder inlet (2) and a cooled gypsum powder outlet (3), an air distribution plate (4) is arranged in the fluidized bed furnace main body (1), a fan cover (7) is arranged below the air distribution plate (4), an air delivery pipe (5) is arranged on the fan cover (7), a blower (6) is arranged at the end part of the air delivery pipe (5), the air distribution plate (4) is provided with a cold air straight pipe (11) and a hot air straight pipe (14), a cold air arc-shaped pipe (12) is arranged between the cold air straight pipe (11) and the hot air straight pipe (14), a cold air pipe (9) is arranged at the end part of the hot air straight pipe (14), an air cooler (10) is arranged at one end of the cold air pipe (9) far away from the hot air straight pipe (14), and a hot air output pipe (8) is arranged at one end of the hot air straight pipe (14) far away from the cold air arc pipe (12).

2. The boiling furnace of claim 1, wherein the furnace is used for cooling gypsum powder and recovering heat, and is characterized in that: an air duct partition plate (18) is arranged between the air cover (7) and the air distribution plate (4), a cold air converging cavity (13) is arranged on one side of the air duct partition plate (18), and a hot air converging cavity (19) is arranged on the other side of the air duct partition plate (18).

3. The boiling furnace of claim 1, wherein the furnace is used for cooling gypsum powder and recovering heat, and is characterized in that: the cold air straight pipe (11) is communicated with the cold air pipe (9) through a cold air converging cavity (13), and a cold air inlet (16) matched with the cold air pipe (9) is formed in the air cover (7).

4. The boiling furnace of claim 3, wherein the furnace is used for cooling gypsum powder and recovering heat, and is characterized in that: the hot air straight pipe (14) is connected with the hot air output pipe (8) through a hot air converging cavity (19), and a hot air outlet (17) matched with the hot air output pipe (8) is formed in the fan cover (7).

5. The boiling furnace of claim 1, wherein the furnace is used for cooling gypsum powder and recovering heat, and is characterized in that: and a hot air outlet (20) is arranged below the cooled gypsum powder outlet (3).

6. The boiling furnace of claim 1, wherein the furnace is used for cooling gypsum powder and recovering heat, and is characterized in that: a plurality of holes are uniformly arranged on the air distribution plate (4).