Fluidized bed furnace for gypsum powder production line

Abstract

The utility model relates to a fluidized bed furnace for a gypsum powder production line and belongs to the technical field of gypsum powder production equipment. A fluidized bed furnace for a gypsum powder production line comprises a furnace body, and an upper air chamber, a circulating air chamber, a middle air chamber and a lower air chamber are sequentially arranged in the furnace body from top to bottom. Subareas are arranged in the circulating air chamber, heat exchange pipes are arranged in the subareas, and hot air sequentially flows in the subareas in the circulating air chamber to form a bent advancing path; an inlet of the circulating air chamber is connected with a hot air inlet and is further provided with a hot air outlet; the top of the furnace body is connected with a deduster; the lower end of the lower air chamber is a discharging port. The circulating air chamber is arranged, hot air can stay in the circulating air chamber for a longer time in a partitioned arrangement mode, the heat exchange efficiency is improved, and the production effect is improved.

Description

Technical Field

[0001] The utility model relates to a boiling furnace for a gypsum powder production line and belongs to the technical field of gypsum powder production equipment. Background Art

[0002] The fluidized bed furnace is an important equipment in the gypsum powder production line. The fluidized bed heating furnace is a coke preparation equipment used to heat the powder using fluidization technology. The raw materials for gypsum powder are injected into the fluidized bed furnace and processed to form dry gypsum powder.

[0003] The current fluidized bed furnace is not efficient in utilizing hot air, which leads to the problem of high overall production costs. Therefore, it is necessary to improve the design of the wind chamber in the fluidized bed furnace to improve the heat utilization rate of the hot air. Utility Model Content

[0004] The utility model aims to provide a boiling furnace for a gypsum powder production line to solve the above technical problems.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A boiling furnace for a gypsum powder production line comprises a furnace body, wherein an upper air chamber, a circulating air chamber, a middle air chamber and a lower air chamber are arranged in sequence from top to bottom in the furnace body; partitions are arranged in the circulating air chamber and heat exchange pipes are arranged in the partitions, and hot air flows in the partitions in sequence in the circulating air chamber to form a bending forward path; the inlet of the circulating air chamber is connected to the hot air inlet, and the circulating air chamber is also provided with a hot air outlet; the top of the furnace body is connected to a dust collector; and the lower end of the lower air chamber is a discharge port.

[0007] A further improvement of the technical solution of the utility model is that a maintenance manhole is arranged on the side wall of the upper air chamber.

[0008] A further improvement of the technical solution of the utility model is that an auxiliary discharge port is arranged on the side wall of the stroke chamber.

[0009] A further improvement of the technical solution of the utility model is that a fan connecting pipe is connected to the side wall at the middle position of the lower air chamber.

[0010] A further improvement of the technical solution of the utility model is as follows: four partitions are arranged in the circulating air chamber, namely two partitions on the upper side and two partitions on the lower side, and the hot air flows through the four partitions in sequence.

[0011] Due to the adoption of the above technical solution, the technical effects achieved by the utility model are:

[0012] The utility model arranges a circulating air chamber and adopts a partition arrangement method to make hot air stay in the circulating air chamber for a longer time, thereby improving the efficiency of heat exchange and improving the production effect.

[0013] The utility model is provided with temperature measuring functions at both the feed port and the discharge port, which can realize effective feedback of the temperature and the production speed, so that the calcining device is in the best working condition and has the highest use efficiency, thus achieving the effect of energy saving and extending the service life of the calcining device.

[0014] The utility model arranges a fan connecting pipe on the side wall of the lower air chamber, and connects the fan connecting pipe with the fan, and blows air into the furnace body through the fan, so that the material is in a tumbling state, which is conducive to contact with the heat exchange tube and improves the effect of boiling to generate powder.

[0015] The boiling furnace of the utility model has high hot air utilization rate and reduces the overall production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the front view of the utility model;

[0017] Figure 2 It is a side view of the utility model;

[0018] Figure 3 This is a schematic diagram of the flow of the circulating air chamber of the utility model;

[0019] Among them, 1. furnace body, 2. upper air chamber, 3. circulating air chamber, 4. middle air chamber, 5. lower air chamber, 6. heat exchange tube, 7. hot air inlet, 8. hot air outlet, 9. discharge port, 10. maintenance manhole, 11. auxiliary discharge port, 12. fan connecting pipe. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0022] The utility model relates to a boiling furnace for a gypsum powder production line, which is used for processing raw materials into gypsum powder.

[0023] like Figure 1 , Figure 2 As shown, the fluidized bed furnace comprises a furnace body 1, which is in the form of a blast furnace. In the furnace body 1, there are an upper air chamber 2, a circulating air chamber 3, a middle air chamber 4 and a lower air chamber 5 from top to bottom.

[0024] The top of the furnace body 1 is connected to a dust collector, that is, the upper part of the upper air chamber 2 is connected to a dust collector, which is generally a pulse dust collector. The exhaust gas in the furnace body 1 is discharged and then subjected to dust removal treatment before being discharged externally.

[0025] The circulating air chamber 3 is located at the lower part of the upper air chamber 2. A plurality of heat exchange tubes 6 are arranged in the circulating air chamber 3. High-temperature air is introduced into the heat exchange tubes 6 to heat the material in the form of heat exchange. Usually, a plurality of partitions are arranged inside the circulating air chamber 3. Each partition is isolated from each other. Heat exchange tubes 6 are arranged in the partitions. The hot air flows in the partitions in the circulating air chamber 3 in sequence. The path along which the hot air flows is a tortuous path, so that the hot air can stay in the circulating air chamber 3 for a longer time. The inlet of the circulating air chamber 3 is connected to the hot air inlet 7. The circulating air chamber 3 is also provided with a hot air outlet 8.

[0026] The lower air chamber 5 is located at the bottom of the furnace body 1 , and a discharge port 9 is provided at the lower end of the lower air chamber 5 , through which the processed gypsum powder is discharged.

[0027] In the specific implementation of the utility model, a maintenance manhole 10 is usually provided on the side wall of the upper air chamber 2 for maintenance use.

[0028] In the present invention, an auxiliary discharge port 11 is usually arranged on the side wall of the stroke chamber 4 to assist in discharging the material.

[0029] In the specific implementation of the utility model, it is necessary to connect the fan connecting pipe 12 to the side wall at the middle position of the lower air chamber 5, and then connect the fan connecting pipe 12 to the fan, so that air can be blown into the furnace body 1, so that the material is in a tumbling state, which is conducive to contact with the heat exchange tube 6 and improves the effect of boiling to generate powder.

[0030] The furnace body 1 is provided with a material inlet, and the boiling furnace is provided with a temperature measurement at the material inlet and the material outlet. The temperature and production speed are effectively fed back to ensure that the calcining device is in the best working condition and has the highest efficiency, thus achieving the effect of energy saving and extending the service life of the calcining device.

[0031] In the specific implementation of the utility model, preferably, the circulating air chamber 3 is set to four partitions, namely two partitions on the upper side and two partitions on the lower side, and the hot air flows through the four partitions in sequence. The specific flow path is as follows Figure 3 As shown in the figure, the hot air flows through the four zones 1, 2, 3 and 4 in the order of ABCDEFG.

[0032] The utility model arranges a circulating air chamber and adopts a partition arrangement method to make hot air stay in the circulating air chamber for a longer time, thereby improving the efficiency of heat exchange and improving the production effect.

[0033] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A boiling furnace for a gypsum powder production line, characterized in that: The invention comprises a furnace body (1), wherein the furnace body (1) is provided with an upper air chamber (2), a circulating air chamber (3), a middle air chamber (4) and a lower air chamber (5) from top to bottom; partitions are provided in the circulating air chamber (3) and heat exchange pipes (6) are provided in the partitions, and hot air flows in the partitions in the circulating air chamber (3) in sequence to form a curved forward path; the inlet of the circulating air chamber (3) is connected to a hot air inlet (7), and the circulating air chamber (3) is also provided with a hot air outlet (8); the top of the furnace body (1) is connected to a dust collector; and the lower end of the lower air chamber is a discharge port (9).

2. A boiling furnace for a gypsum powder production line according to claim 1, characterized in that: A maintenance manhole (10) is provided on the side wall of the upper air chamber (2).

3. A boiling furnace for a gypsum powder production line according to claim 1, characterized in that: An auxiliary discharge port (11) is provided on the side wall of the stroke chamber (4).

4. A boiling furnace for a gypsum powder production line according to claim 1, characterized in that: A fan connecting pipe (12) is connected to the side wall at the middle position of the lower air chamber (5).

5. The boiling furnace of a gypsum powder production line according to claim 1, characterized in that: Four partitions are arranged in the circulating air chamber (3), namely two partitions on the upper side and two partitions on the lower side, and the hot air flows through the four partitions in sequence.

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