Dry-method raw material efficient suspension energy-saving calcining furnace

Abstract

The utility model discloses a dry method raw material efficient suspension energy-saving calcining furnace in the field of calcium aluminate powder production, which comprises a barrel-shaped kiln body, a feeding adapter body is arranged at the left end of the barrel-shaped kiln body, and a cooling bin is arranged at the right end of the barrel-shaped kiln body. The upper end of the feeding adapter body is connected with an energy-saving feeding device through a connecting pipe, the energy-saving feeding device comprises a shell, a neck bush, inclined guide plates, an air inlet and an air outlet, the neck bush is arranged in the shell, and the inclined guide plates are arranged on the neck bush in a staggered mode. And cavities which are communicated with each other are formed in the neck bush and the inclined guide plate. The lower portion of the neck bush is provided with an air inlet, and the upper portion of the neck bush is provided with an air The upper end of the cooling bin communicates with a ventilation pipe, an exhaust fan is arranged on the ventilation pipe, and the other end of the ventilation pipe is connected with the air inlet. According to the utility model, raw materials can be preheated by utilizing cooling waste heat, and the energy-saving effect is good.

Description

Technical Field

[0001] The utility model relates to the field of calcium aluminate powder production, in particular to a dry-process raw material high-efficiency suspension energy-saving calcining furnace. Background Art

[0002] Calcium aluminate powder is a raw material for water purifiers. The production process of calcium aluminate powder mainly includes raw material preparation, batching and mixing, calcination, grinding and processing, etc. In the calcination process, the mixed raw materials need to be sent to the calcination furnace for calcination to cause a chemical reaction to produce calcium aluminate.

[0003] After the raw materials are calcined in the calcination section, they will enter the cooling bin for cooling. During cooling, a large amount of hot air will be generated, which will inevitably cause energy waste if not utilized. Utility Model Content

[0004] The main purpose of the utility model is to provide a dry process raw material high-efficiency suspension energy-saving calcining furnace, which is used to solve the problems mentioned in the background technology.

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

[0006] A dry process raw material high-efficiency suspended energy-saving calcining furnace comprises a cylindrical kiln body, a feed adapter body is provided at the left end of the cylindrical kiln body, and a cooling bin is provided at the right end of the cylindrical kiln body. The upper end of the feed adapter body is connected to an energy-saving feed device through a connecting pipe, and the energy-saving feed device comprises an outer shell, an inner sleeve, an inclined guide plate, an air inlet and an air outlet. An inner sleeve is provided inside the outer shell, and a plurality of inclined guide plates are staggered on the inner sleeve. The inner sleeve and the inclined guide plate are both provided with cavities connected to each other. An air inlet is provided at the lower part of the inner sleeve, and an air outlet is provided at the upper part of the inner sleeve. A ventilation pipe is connected to the upper end of the cooling bin, and an exhaust fan is provided on the ventilation pipe, and the other end of the ventilation pipe is connected to the air inlet.

[0007] Furthermore, the upper end of the shell is connected to a feed pipe extending vertically downward.

[0008] Furthermore, reinforcing ribs are provided at the connection between the inclined material guide plate and the inner bushing, and an inclined support column is fixed to the lower side of the inclined material guide plate.

[0009] Furthermore, a filter screen is provided at one end of the ventilation pipe.

[0010] The utility model also includes other components that enable the dry process raw material high-efficiency suspension energy-saving calcining furnace to be used normally, and these devices or components all adopt conventional technical means in the field. In addition, the devices and components not limited in the utility model all adopt conventional technical means in the field, such as the exhaust fan in this application. In the specific implementation process, the appropriate equipment or component model can be selected according to the specific working scene.

[0011] The working principle of the utility model is that raw materials enter the energy-saving feeding device from a feeding pipe, an inner sleeve with a cavity and an inclined guide plate are arranged in the energy-saving feeding device, a ventilation pipe and an exhaust fan are used to pass the hot air in the cooling bin into the cavity, and the raw materials can be preheated during the falling process along the inclined guide plate, thereby achieving the purpose of energy saving.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the cooling waste heat can be used to preheat the raw materials, and the energy saving effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a schematic diagram of the overall structure of a dry raw material high-efficiency suspension energy-saving calcining furnace.

[0014] Figure 2 It is a schematic diagram of the internal structure of the energy-saving feeding device of the utility model.

[0015] In the figure: 1. Cylindrical kiln body; 2. Feed adapter body; 3. Cooling bin; 4. Energy-saving feeding device; 41. Outer shell; 42. Inner liner; 43. Inclined guide plate; 44. Cavity; 45. Air inlet; 46. Air outlet; 5. Connecting pipe; 6. Ventilation pipe; 7. Exhaust fan; 8. Feed pipe; 9. Reinforcement ribs; 10. Support column; 11. Filter. DETAILED DESCRIPTION

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0017] Example:

[0018] like Figures 1-2 As shown, a dry process raw material high-efficiency suspension energy-saving calcining furnace comprises a cylindrical kiln body 1, a feed adapter body 2 is provided at the left end of the cylindrical kiln body 1, and a cooling bin 3 is provided at the right end of the cylindrical kiln body 1. The upper end of the feed adapter body 2 is connected to an energy-saving feed device 4 through a connecting pipe 5, and the energy-saving feed device 4 comprises an outer shell 41, an inner sleeve 42, an inclined guide plate 43, an air inlet 45 and an air outlet 46. An inner sleeve 42 is provided inside the outer shell 41, and a plurality of inclined guide plates 43 are staggered on the inner sleeve 42. Both the inner sleeve 42 and the inclined guide plate 43 are provided with cavities 44 that are connected to each other. An air inlet 45 is provided at the lower part of the inner sleeve 42, and an air outlet 46 is provided at the upper part of the inner sleeve 42. A ventilation pipe 6 is connected to the upper end of the cooling bin 3, and an exhaust fan 7 is provided on the ventilation pipe 6, and the other end of the ventilation pipe 6 is connected to the air inlet 45.

[0019] In addition, a reinforcing rib 9 is provided at the connection between the inclined guide plate 43 and the inner sleeve 42, and an inclined support column 10 is fixed to the lower side of the inclined guide plate 43. A vertically downward feed pipe 8 is connected to the upper end of the housing 41. A filter screen 11 is provided at one end of the ventilation pipe 6.

[0020] The working principle of the dry raw material high-efficiency suspension energy-saving calcining furnace of the utility model is: the raw material enters the energy-saving feeding device 4 from the feeding pipe 8, the energy-saving feeding device 4 is provided with an inner liner 42 with a cavity 44 and an inclined guide plate 43, the hot air in the cooling bin 3 is passed into the cavity 44 by means of a ventilation pipe 6 and an exhaust fan 7, and the raw material can be preheated during the falling process along the inclined guide plate 43, so as to achieve the purpose of energy saving.

[0021] The above embodiments are only descriptions of the preferred implementation modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope of the present invention.

Claims

1. A dry process raw material high-efficiency suspension energy-saving calcining furnace, comprising a cylindrical kiln body (1), a feed adapter (2) is provided at the left end of the cylindrical kiln body (1), and a cooling bin (3) is provided at the right end of the cylindrical kiln body (1), characterized in that: The upper end of the feed adapter (2) is connected to an energy-saving feed device (4) via a connecting pipe (5), and the energy-saving feed device (4) comprises an outer shell (41), an inner sleeve (42), an inclined guide plate (43), an air inlet (45) and an air outlet (46). The inner shell (41) is provided with an inner sleeve (42), and a plurality of inclined guide plates (43) are staggeredly provided on the inner sleeve (42); the inner sleeve (42) and the inclined guide plate (43) are both provided with cavities (44) that are interconnected; the lower part of the inner sleeve (42) is provided with an air inlet (45), and the upper part of the inner sleeve (42) is provided with an air outlet (46); the upper end of the cooling bin (3) is connected to a ventilation pipe (6), and the ventilation pipe (6) is provided with an exhaust fan (7), and the other end of the ventilation pipe (6) is connected to the air inlet (45).

2. The dry process raw material high-efficiency suspension energy-saving calcining furnace according to claim 1 is characterized in that: The upper end of the shell (41) is connected to a feed pipe (8) extending vertically downward.

3. The dry process raw material high-efficiency suspension energy-saving calcining furnace according to claim 1, characterized in that: A reinforcing rib (9) is provided at the connection between the inclined material guide plate (43) and the inner sleeve (42), and an inclined support column (10) is fixed to the lower side of the inclined material guide plate (43).

4. The dry process raw material high-efficiency suspension energy-saving calcining furnace according to claim 1, characterized in that: A filter screen (11) is provided at one end of the ventilation pipe (6).

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