Raw material preheating equipment

Abstract

The utility model relates to the technical field of cement production, and discloses raw material preheating equipment. The raw material preheating equipment comprises an outer end structure assembly, an inner heat preservation assembly is installed in the outer end structure assembly, a structure plate is installed in the inner heat preservation assembly, a flow guide plate is installed at the upper end of the structure plate, an inner layer is installed at the front end of the flow guide plate, and a ceramic layer is installed in the inner layer. An outlet is formed in the lower end of the inner layer, a conveying assembly is installed at the upper end of the outer end structure assembly, a conveying belt is installed at the lower end of the conveying assembly, a connecting opening is formed in the upper end of the conveying belt, and a conveying screw is installed in the conveying belt; the cement preheating device has the advantages that the problems that cement cannot be uniformly preheated when waste gas enters the device and the subsequent cement preheating effect is poor due to the fact that heat exchange is conducted between kiln tail waste gas and raw materials when a traditional preheating device is used are effectively solved, and the technical problem that the subsequent cement preheating effect is poor is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of cement preheating, in particular to raw material preheating equipment. Background Art

[0002] Cement production is an energy-intensive and highly polluting industrial process, in which the burning process accounts for more than 70% of cement production energy consumption and is also one of the main sources of pollution in the cement production process. Therefore, improving the efficiency and quality of the burning process and reducing the energy consumption and emissions of the burning process are the key to energy conservation, emission reduction and competitiveness improvement in the cement industry.

[0003] The existing referenceable Chinese utility model patent with announcement number: CN204535429U discloses a cement preheater device, including a machine box, a cover is installed at the lower end of the machine box, a handle is welded at the lower end of the cover, a preheating barrel is installed in the inner cavity of the machine box, filters are installed at the upper and lower ends of the preheating barrel, a feed port is installed at the left end of the preheating barrel, a curved convex surface is evenly installed on the inner wall of the inner cavity of the preheating barrel, and a hollow shaft is inserted through the inner cavity of the preheating barrel, a motor is installed at the left end of the hollow shaft, interception plates and heaters are installed at the left and right end cavities of the hollow shaft respectively, and a blower is welded at the right end tail of the hollow shaft. The cement preheater device has a simple structure and is easy to use. It can effectively preheat cement and prevent cement from agglomerating. It can refine cement well, which is convenient for users and avoids some unnecessary troubles.

[0004] Based on the search of the above patents and combined with the equipment in the prior art, it was found that a preheating device is required when cement is produced. When in use, the traditional preheating device exchanges heat between the exhaust gas at the kiln tail and the raw materials, resulting in the inability to evenly preheat the cement when the exhaust gas enters the device, resulting in poor subsequent cement preheating effect. When preheating the cement, the cement clumps inside the device, resulting in the inability to preheat the cement. The existence of these problems affects the use of the device. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a raw material preheating device, which has the advantages of effectively preventing the traditional preheating device from exchanging heat with the raw materials through the kiln tail exhaust gas during use, resulting in the inability to uniformly preheat the cement when the exhaust gas enters the device, causing poor subsequent cement preheating effect, etc., thereby solving the above-mentioned technical problems.

[0007] Technical Solution

[0008] To achieve the above object, the utility model provides the following technical solutions: a raw material preheating device, comprising an outer end structural component, an internal insulation component for quickly preheating and heat-insulating cement is installed inside the outer end structural component, and a conveying component for uniformly conveying cement is installed on the upper end of the outer end structural component;

[0009] A structural plate is installed inside the internal insulation component, a guide plate is installed on the upper end of the structural plate, an inner layer is installed at the front end of the guide plate, a ceramic layer is installed inside the inner layer, an outlet is installed at the lower end of the inner layer, the interior of the inner layer is convenient for placing cement, and the ceramic layer is convenient for rapid heat conduction;

[0010] A device shell is installed at the lower end of the conveying component, a connecting port is installed at the upper end of the device shell, a conveying screw is installed inside the device shell, and a discharge port is installed at the lower end of the conveying screw, and the discharge port is convenient for conveying cement to the connecting port.

[0011] As a preferred technical solution of the utility model, a mounting frame is installed on the upper end of the outer end structural component, and a preheater is installed on the upper end of the mounting frame. A connecting pipe is installed on the right side of the preheater, and a connecting port is installed on the upper end of the preheater.

[0012] As a preferred technical solution of the utility model, a heat-insulating layer is installed at the upper end of the internal heat-insulating component, and the heat-insulating layer facilitates the transportation of waste gas and hot air.

[0013] As a preferred technical solution of the utility model, a pouring port is installed at the upper end of the conveying component, and a crushing rod is installed inside the pouring port, and the crushing rod is convenient for crushing the agglomerated cement.

[0014] As a preferred technical solution of the utility model, the internal insulation component is installed inside the preheater in the outer end structural component, and the conveying component is installed at the upper end of the connecting port in the outer end structural component.

[0015] As a preferred technical solution of the utility model, the mounting frame is installed at the outer end of the preheater, and four support rods are installed at the lower end of the mounting frame, and the connecting pipe is installed inside the insulation layer.

[0016] As a preferred technical solution of the utility model, the structural plate is an annular structure, and the structural plate is attached to the inside of the thermal insulation layer, the guide plate is a left-inclined structure, and the structural plate is a three-layer structure.

[0017] As a preferred technical solution of the utility model, the pouring port is a structure that is wide at the top and narrow at the bottom, a motor is installed on the left side of the conveying screw, and the discharge port is connected to the connecting port.

[0018] Compared with the prior art, the utility model provides a raw material preheating device with the following beneficial effects:

[0019] 1. The utility model arranges an internal heat-insulating component, in which a heat-insulating layer is installed, which is convenient for insulating the internal hot air and improving the overall preheating effect. A structural plate is installed at the front end, and a guide plate is installed at the upper end of the structural plate. The hot air is evenly transported inside the heat-insulating layer through the guide plate, and the interior of the preheater is evenly heated. A ceramic layer is installed inside the inner layer of the front end, and the cement is evenly preheated through the ceramic layer. This structure is convenient for evenly and quickly preheating the cement and effectively prevents the need to use a preheating device during cement production. When in use, the traditional preheating device exchanges heat between the kiln tail exhaust gas and the raw material, resulting in the inability to evenly preheat the cement when the exhaust gas enters the device, resulting in poor subsequent cement preheating effect.

[0020] 2. The utility model sets a conveying component, in which a pouring inlet is installed. Cement is poured into the breaking rod through the pouring inlet, and the breaking rod breaks up the agglomerated cement for use. A device shell is installed at the lower end, and the broken cement is evenly conveyed by the conveying screw inside the device shell. This structure is convenient for breaking up agglomerated cement and effectively prevents cement from agglomerating inside the device when preheating cement, resulting in failure to preheat the cement inside. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the outer end structural components of the utility model structure;

[0023] Figure 3 This is a schematic diagram of the internal insulation components of the structure of the utility model;

[0024] Figure 4 This is a schematic diagram of the structural conveying assembly of the utility model;

[0025] Among them: 1. External structural component; 101. Mounting frame; 102. Preheater; 103. Connecting pipe; 104. Connecting port; 2. Internal insulation component; 201. Insulation layer; 202. Structural plate; 203. Guide plate; 204. Inner layer; 205. Ceramic layer; 206. Outlet; 3. Conveying component; 301. Pour inlet; 302. Crushing rod; 303. Device shell; 304. Connecting port; 305. Conveying screw; 306. Feeding port. DETAILED DESCRIPTION

[0026] The following is a further detailed description of the implementation of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0027] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] See also Figure 1 - Figure 4 In this embodiment, a raw material preheating device includes: an outer end structural component 1, an internal insulation component 2 is installed inside the outer end structural component 1, a structural plate 202 is installed inside the internal insulation component 2, a guide plate 203 is installed on the upper end of the structural plate 202, an inner layer 204 is installed at the front end of the guide plate 203, a ceramic layer 205 is installed inside the inner layer 204, an outlet 206 is installed at the lower end of the inner layer 204, a conveying component 3 is installed on the upper end of the outer end structural component 1, a device shell 303 is installed at the lower end of the conveying component 3, a connecting port 304 is installed at the upper end of the device shell 303, a conveying screw 305 is installed inside the device shell 303, and a discharge port 306 is installed at the lower end of the conveying screw 305, the internal insulation component 2 is installed inside the preheater 102 in the outer end structural component 1, and the conveying component 3 is installed at the upper end of the connecting port 104 in the outer end structural component 1.

[0030] Through the above structure; the outer end structure component 1 is convenient for installing the internal structure and for the subsequent use of the overall device, the internal insulation component 2 is convenient for uniformly transporting hot air and for the subsequent rapid preheating of cement, and the conveying component 3 is convenient for breaking up the cement and for the subsequent uniform transportation and use of the cement.

[0031] See also Figure 1 - Figure 4A mounting frame 101 is installed at the upper end of the outer end structural component 1, and a preheater 102 is installed at the upper end of the mounting frame 101, a connecting pipe 103 is installed on the right side of the preheater 102, a connecting port 104 is installed at the upper end of the preheater 102, the mounting frame 101 is installed at the outer end of the preheater 102, and four support rods are installed at the lower end of the mounting frame 101, and the connecting pipe 103 is installed to the inside of the insulation layer 201.

[0032] Through the above structure: by installing the mounting frame 101, it is convenient to connect the preheater 102 at the upper end for use, the preheater 102 is convenient to connect the internal insulation component 2, the connecting pipe 103 is convenient to transport the hot air, and the connecting port 104 is connected to the transport component 3 for use.

[0033] See also Figure 1 - Figure 4 An insulation layer 201 is installed at the upper end of the internal insulation component 2, the structural plate 202 is a ring structure, and the structural plate 202 is attached to the inside of the insulation layer 201, the guide plate 203 is a left-inclined structure, and the structural plate 202 is a three-layer structure.

[0034] Through the above structure: the installation of the insulation layer 201 facilitates the transportation of waste gas and hot air, the structural plate 202 facilitates the connection and installation of the upper guide plate 203, the guide plate 203 facilitates the drainage and transportation of waste gas and hot air, the interior of the inner layer 204 facilitates the placement of cement, the ceramic layer 205 facilitates rapid heat conduction, and the cement is quickly preheated, and the outlet 206 discharges the cement.

[0035] See also Figure 1 - Figure 4 A pouring inlet 301 is installed at the upper end of the conveying component 3, and a crushing rod 302 is installed inside the pouring inlet 301. The pouring inlet 301 is a structure that is wide at the top and narrow at the bottom. A motor is installed on the left side of the conveying screw 305, and the discharge port 306 is connected to the connecting port 104.

[0036] Through the above structure: the pouring inlet 301 is installed to facilitate pouring cement, the crushing rod 302 is convenient for crushing the agglomerated cement, the device shell 303 is convenient for installing the internal structure, the connecting port 304 pours cement into the interior of the device shell 303, the conveying screw 305 conveys cement evenly, and the discharge port 306 is convenient for conveying cement to the connecting port 104.

[0037] When in use, first, pour the cement to be preheated through the pouring inlet 301, fully crush the cement through the crushing rod 302, break up the agglomerated cement, and the broken cement enters the device shell 303 through the connecting port 304 connected at the lower end, and the conveying screw 305 inside the device shell 303 is started through the terminal, and the cement is evenly conveyed through the conveying screw 305. During the conveying, the hot air inside the preheater 102 is conveyed, and the hot air is directly conveyed to the insulation layer 201 through the connecting pipe 103, and the guide plate 202 at the upper end of the structural plate 202 is used to convey the cement. 03 The hot air is evenly transported to fill the space inside the insulation layer 201. When the hot air is transported, the ceramic layer 205 at the upper end of the inner layer 204 absorbs heat to heat the ceramic layer 205. The cement transported from the upper end enters the connecting port 104 through the discharge port 306. The connecting port 104 is installed at the upper end of the preheater 102. The cement is transported to the inner layer 204 and heated by the ceramic layer 205. The insulation layer 201 keeps the hot air warm and heats the cement evenly. The heated cement is discharged through the lower end outlet 206.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A raw material preheating device, characterized in that: The invention comprises an outer end structural component (1), wherein an inner heat-insulating component (2) is installed inside the outer end structural component (1), wherein a structural plate (202) is installed inside the inner heat-insulating component (2), a guide plate (203) is installed at the upper end of the structural plate (202), an inner layer (204) is installed at the front end of the guide plate (203), a ceramic layer (205) is installed inside the inner layer (204), an outlet (206) is installed at the lower end of the inner layer (204), a conveying component (3) is installed at the upper end of the outer end structural component (1), a device shell (303) is installed at the lower end of the conveying component (3), a connection port (304) is installed at the upper end of the device shell (303), a conveying screw (305) is installed inside the device shell (303), and a discharge port (306) is installed at the lower end of the conveying screw (305).

2. A raw material preheating device according to claim 1, characterized in that: A mounting frame (101) is installed at the upper end of the outer end structural component (1), and a preheater (102) is installed at the upper end of the mounting frame (101). A connecting pipe (103) is installed on the right side of the preheater (102), and a connecting port (104) is installed at the upper end of the preheater (102).

3. A raw material preheating device according to claim 1, characterized in that: A thermal insulation layer (201) is installed at the upper end of the internal thermal insulation component (2).

4. A raw material preheating device according to claim 1, characterized in that: The upper end of the conveying assembly (3) is provided with a pouring inlet (301), and a crushing rod (302) is installed inside the pouring inlet (301).

5. A raw material preheating device according to claim 1, characterized in that: The internal heat preservation component (2) is installed inside the preheater (102) in the outer end structural component (1), and the conveying component (3) is installed at the upper end of the connecting port (104) in the outer end structural component (1).

6. A raw material preheating device according to claim 2, characterized in that: The mounting frame (101) is mounted on the outer end of the preheater (102), and four support rods are mounted on the lower end of the mounting frame (101), and the connecting pipe (103) is mounted inside the thermal insulation layer (201).

7. A raw material preheating device according to claim 3, characterized in that: The structural plate (202) is an annular structure, and the structural plate (202) is attached to the inside of the thermal insulation layer (201), the guide plate (203) is a left-inclined structure, and the structural plate (202) is a three-layer structure.

8. A raw material preheating device according to claim 4, characterized in that: The pouring port (301) is a structure that is wide at the top and narrow at the bottom. A motor is installed on the left side of the conveying screw (305). The discharge port (306) is connected to the connecting port (104).

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