Cement kiln preheating turbulent flow device

Abstract

The utility model relates to the technical field of cement production devices, and discloses a cement kiln preheating turbulent flow device which comprises a feeding pipe, a hot air inlet pipe and a cyclone cylinder. A scattering assembly is arranged on the feeding pipe; the feeding pipe sequentially comprises a vertical pipe, a connecting pipe and a bent pipe from top to bottom; the bent pipe comprises a vertical part and an inclined part; the inclined part is communicated with the hot air inlet pipe; the upper end and the lower end of the connecting pipe are respectively connected with the lower end of the vertical pipe and the upper end of the bent pipe through flanges; the scattering assembly is mounted on the connecting pipe; the scattering assembly comprises a motor A, a rotating shaft A, a rotating shaft B, a crushing disc and a transmission assembly. Due to the arrangement of the scattering assembly, cement raw materials entering from the feeding pipe can be scattered, so that the cement raw materials can be preheated more uniformly; the arrangement of the turbulent flow ring plate can reduce the preheated cement raw materials discharged along with hot air, and waste is avoided; and by arranging the discharging assembly, the discharging pipe can be prevented from being blocked, and it is guaranteed that the discharging process is conducted smoothly.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cement production device technical field, especially, relate to a cement kiln preheating turbulence device. BACKGROUND

[0002] Cement in production, need in the inside of cement kiln carries out various reactions, and before entering the cement kiln, need to preheat cement raw material ( also can be called as raw material), the preheating device of cement kiln of prior art is used commonly to preheat cement raw material.

[0003] The Chinese utility model patent with the publication number CN215002959U "a cement kiln's suspension preheater", including the support, the top of the support is fixedly connected with the cyclone, the bottom of the cyclone is fixedly connected with the discharge pipe, the top of the cyclone is fixedly connected with the gas pipe, the inner wall of the support is provided with hot blast equipment, the side of hot blast equipment is fixedly connected with the air pipe, the outer wall of the air pipe is fixedly connected with the feed pipe, the middle section of the feed pipe is provided with the distribution mechanism, the distribution mechanism includes the sleeve, the distribution mechanism in the suspension preheater of the cement kiln can make that cement raw material can reach good dispersion effect after entering the air pipe, can carry out better heat treatment work after entering the air pipe, compared with the suspension preheater of general cement kiln, when using, can reach good heat exchange effect, improve the processing efficiency of cement raw material, will not bring influence to subsequent use and warehouse work, and the use effect is better.

[0004] But the above-mentioned device when actually using, only rely on distribution mechanism to carry out cloth, and can not very good to scatter the material of group, the material of group enters the air pipe after, can not very good heat exchange.After the heat exchange of raw material, from the discharge pipe of cyclone, still can have part of heat exchange raw material be carried by hot air, from the gas pipe of cyclone, discharge, lead to the waste of raw material.And the discharge pipe of cyclone can still appear the situation of blockage.

[0005] Therefore, the cement kiln preheating turbulence device is needed to solve the above technical problems. Utility model content

[0006] The utility model discloses a cement kiln preheating turbulence device.

[0007] To achieve the above object, the utility model is implemented according to the following technical scheme:

[0008] The application relates to a cement kiln preheating disturbance device which comprises a feeding pipe, a hot air inlet pipe and a cyclone cylinder, a wind lock valve is arranged on the feeding pipe, the tail of the feeding pipe is communicated with the hot air inlet pipe, the head of the hot air inlet pipe is communicated with the cyclone cylinder and is tangent to the cyclone cylinder, the upper end surface of the cyclone cylinder is provided with an inner cylinder which extends into the inner part of the cyclone cylinder, and the bottom of the cyclone cylinder is provided with a discharging pipe; a scattering assembly is arranged on the feeding pipe.

[0009] The feeding pipe comprises a vertical pipe, a connecting pipe and a bent pipe from top to bottom; the bent pipe comprises a vertical part and an inclined part; the inclined part is communicated with the hot air inlet pipe.

[0010] The upper end and the lower end of the connecting pipe are respectively flange-connected with the lower end of the vertical pipe and the upper end of the bent pipe.

[0011] The scattering assembly is arranged on the connecting pipe; the connecting pipe is a square tube.

[0012] The scattering assembly comprises a motor A, a rotating shaft A, a rotating shaft B, a crushing disc and a transmission assembly.

[0013] The rotating shaft A and the rotating shaft B are transversely arranged and are both penetrated through the connecting pipe and are rotationally connected with the connecting pipe; the rotating shaft B is located below the rotating shaft A, one end of the rotating shaft A and the rotating shaft B is connected through the transmission assembly; a plurality of crushing discs are arranged on the rotating shaft A and the rotating shaft B, and the crushing discs on the rotating shaft A and the rotating shaft B are staggered.

[0014] The motor A drives the rotating shaft B to rotate, and the rotating shaft B rotates to drive the rotating shaft A to rotate through the transmission assembly.

[0015] Preferably, the edge of the crushing disc is wedge-shaped.

[0016] Preferably, the transmission assembly is a transmission gear which is mutually meshed.

[0017] Preferably, the diameter of the crushing disc matches the side length of the inner tube of the connecting pipe.

[0018] In use, the cement raw material enters the hot air inlet pipe through the feeding pipe, and the hot air drives the cement raw material to enter the cyclone cylinder; the cement raw material is discharged from the discharging pipe after heat exchange in the hot air inlet pipe and the cyclone cylinder; and the heat-exchanged hot air is discharged from the inner cylinder. The scattering assembly is arranged to facilitate the scattering of the cement raw material entering the feeding pipe, the upper and lower staggered crushing discs facilitate the scattering of the cement raw material when falling; meanwhile, the motor A can be driven to rotate to drive the crushing disc to rotate, so that the cement raw material is further fully crushed and scattered.

[0019] Preferably, the vertical pipe and the bent pipe are both circular tubes; the inner diameters of the vertical pipe and the bent pipe are both smaller than the side length of the inner tube of the connecting pipe; and a guide hopper is fixedly arranged at the lower end of the inner tube of the connecting pipe and extends into the vertical part of the bent pipe.

[0020] The inner diameter of the vertical pipe is smaller than the side length of the inner pipe of the connecting pipe, mainly to enable the cement raw material to have a larger space to be fully dispersed by the dispersing assembly. The guide hopper facilitates guiding the dispersed cement raw material to enter the bending pipe, avoiding accumulation in the connecting pipe.

[0021] Preferably, the guide hopper is a square funnel.

[0022] Preferably, the inner part of the inner cylinder in the cyclone cylinder is provided with a turbulence ring plate; the turbulence ring plate is uniformly provided with through holes; the turbulence ring plate is in the shape of a circular truncated cone with open upper and lower end faces; the diameter of the upper end face of the turbulence ring plate is larger than the diameter of the lower end face of the turbulence ring plate.

[0023] Preferably, the turbulence ring plate is provided with at least two.

[0024] The setting of the turbulence ring plate disturbs the hot air entering the inner cylinder, blocks the hot air passing through the inner cylinder, prolongs the residence time of the hot air, and at the same time, part of the cement raw material carried by the hot air can also fall down by colliding with the turbulence ring plate, reducing the discharge.

[0025] Preferably, the cyclone cylinder is further provided with a discharging assembly; the discharging assembly comprises a motor B, a rotating shaft C, and stirring rods; the head of the rotating shaft C extends into the upper part of the inner cylinder after passing through all the turbulence ring plates, the tail of the rotating shaft C extends into the discharging pipe and is rotationally connected with the discharging pipe; the motor B drives the rotating shaft C to rotate.

[0026] The rotating shaft C in the discharging pipe is provided with a plurality of stirring rods.

[0027] Preferably, the rotating shaft C at the lower part of the cyclone cylinder is provided with a plurality of stirring rods from bottom to top according to the shape of the cyclone cylinder.

[0028] Further preferably, the motor B is arranged outside the inner cylinder outside the cyclone cylinder, the movable end of the motor B is rotationally connected with the inner cylinder and extends into the inner cylinder; the movable end of the motor B is provided with a bevel gear B, the head of the rotating shaft C is provided with a bevel gear A, the bevel gear A and the bevel gear B are meshed with each other; the bevel gear A and the bevel gear B are arranged in a gear box; the gear box is fixed in the inner cylinder by a connecting rod. The tail of the rotating shaft C is rotationally connected with a bearing, and the bearing is fixed in the discharging pipe by a connecting rod.

[0029] When the discharging is not smooth, the motor B can be driven to rotate, and then the stirring rods can stir the cement raw material blocked in the discharging pipe, so that the cement raw material can be smoothly discharged from the cyclone cylinder.

[0030] Preferably, a cleaning brush is fixedly installed on the rotating shaft C below each turbulence ring plate, and the bristles of the cleaning brush are in contact with the turbulence ring plate.

[0031] When the rotating shaft C rotates, the rotating shaft C drives the cleaning brush to rotate, the cleaning brush can clean the spoiler ring plate in the rotating process, cement raw materials adhered to the spoiler ring plate can be cleaned at the same time, and the through hole of the spoiler ring plate can be dredged, so that the through hole is prevented from being blocked.

[0032] The components not added in the utility model are all adopted conventional means in the field, such as the air lock valve, the cyclone drum, motor A, motor B and the like, and the person skilled in the art can select the model and installation mode according to the actual use requirement, and the specific installation and control can be understood, and the specific installation and control will not be described in detail here.

[0033] The utility model reaches the following beneficial effects:

[0034] The utility model has the advantages of simple structure and convenient operation, the setting of the scattering assembly can scatter the cement raw materials entering from the feeding pipe, so that the cement raw materials can be preheated more uniformly, the setting of the spoiler ring plate can reduce the preheated cement raw materials discharged with the hot air, and waste is avoided, and the setting of the discharging assembly can prevent the discharging pipe from being blocked, and ensure that the discharging process is carried out smoothly. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 It is a structural schematic view of the utility model embodiment 1;

[0036] Figure 2 It is a structural schematic view of the utility model embodiment 2; Figure 1 It is a structural schematic view of the utility model embodiment 2;

[0037] Figure 3 It is a structural schematic view of the utility model embodiment 2; Figure 2 It is a structural schematic view of the utility model embodiment 2;

[0038] Figure 4 It is a structural schematic view of the utility model embodiment 2;

[0039] Figure 5 It is a structural schematic view of the utility model embodiment 2; Figure 4 It is an enlarged view of F in the utility model embodiment 2.

[0040] In the drawing: 1, hot air inlet pipe;2, cyclone drum;3, air lock valve;4, inner cylinder;5, discharging pipe;6, vertical pipe;7, connecting pipe;8, elbow pipe;9, vertical part;10, inclined part;11, motor A;12, rotating shaft A;13, rotating shaft B;14, crushing disc;15, transmission gear;16, guide hopper;17, spoiler ring plate;18, through hole;19, motor B;20, rotating shaft C;21, stirring rod;22, bevel gear B;23, bevel gear A;24, gear box;25, connecting rod;26, bearing;27, cleaning brush. DETAILED DESCRIPTION

[0041] The utility model will be further described below in combination with the drawings and specific embodiments, the illustrative embodiments of the utility model and the description are used to explain the utility model, but not as the limitation of the utility model.

[0042] Embodiment 1

[0043] As Figure 1 、 Figure 2 、 Figure 3 A cement kiln preheating disturbance device, including feed pipe, hot air inlet pipe 1, cyclone 2, the feed pipe is provided with the airlock 3, and the tail of the feed pipe is communicated with the hot air inlet pipe, and the head of the hot air inlet pipe is communicated with the cyclone, and is tangent to the cyclone, and the cyclone is provided with the inner tube 4 of the center of the upper end surface that extends into the cyclone, and the bottom of the cyclone is provided with the discharge pipe 5, the feed pipe is provided with the scattering subassembly,

[0044] The feed pipe is vertical pipe 6, connecting pipe 7, bending pipe 8 in turn from top to bottom, and the bending pipe includes vertical part 9 and inclined part 10, and the inclined part is communicated with the hot air inlet pipe,

[0045] The upper end and the lower end of the connecting pipe are respectively connected with the lower end of the vertical pipe and the upper end flange of the bending pipe,

[0046] The scattering subassembly is installed on the connecting pipe, and the connecting pipe is a square tube,

[0047] The scattering subassembly includes motor A 11, rotating shaft A 12, rotating shaft B 13, crushing disc 14 and transmission assembly,

[0048] Rotating shaft A and rotating shaft B are transversely arranged and are connected with the connecting pipe and are rotatably connected with the connecting pipe, and rotating shaft B is below rotating shaft A, and one end of rotating shaft A and rotating shaft B is connected through transmission assembly, and three crushing discs are arranged on rotating shaft A, and four crushing discs are arranged on rotating shaft B, and the crushing discs on rotating shaft A and the crushing discs on rotating shaft B are staggered,

[0049] Motor A drives rotating shaft B to rotate, and rotating shaft B rotates and drives rotating shaft A to rotate through transmission assembly.

[0050] The edge of the crushing disc is wedge-shaped, the transmission assembly is transmission gear 15 that is engaged with each other, and the diameter of the crushing disc is matched with the side length of the inner tube of the connecting pipe.

[0051] The vertical pipe and the bending pipe are both circular pipes, the inner diameter of the vertical pipe and the bending pipe is less than the side length of the inner tube of the connecting pipe, the lower end of the inner tube of the connecting pipe is fixedly provided with guide hopper 16, and the tail of the guide hopper extends into the vertical part of the bending pipe, and the guide hopper is a square funnel.

[0052] The inner part of the inner cylinder in the cyclone cylinder is provided with two turbulence ring plates 17; the turbulence ring plates are uniformly provided with through holes 18; the turbulence ring plates are circular truncated cone shaped with open upper and lower end surfaces; the diameter of the upper end surface of the turbulence ring plate is larger than the diameter of the lower end surface of the turbulence ring plate.

[0053] Embodiment 2

[0054] As Figure 4 、 Figure 5 As shown in the drawings, on the basis of embodiment 1, the cyclone cylinder of the present embodiment is further provided with a discharging assembly; the discharging assembly comprises a motor B 19, a rotating shaft C 20 and stirring rods 21; the head of the rotating shaft C penetrates through all the turbulence ring plates and extends into the upper part of the inner cylinder, the tail of the rotating shaft C extends into the discharging pipe and is rotatably connected with the discharging pipe; the motor B drives the rotating shaft C to rotate;

[0055] The rotating shaft C in the discharging pipe is provided with a plurality of stirring rods. The rotating shaft C in the lower part of the cyclone cylinder is provided with a plurality of stirring rods from bottom to top according to the shape of the cyclone cylinder.

[0056] The motor B is arranged outside the inner cylinder outside the cyclone cylinder, the movable end of the motor B is rotatably connected with the inner cylinder and extends into the inner part of the inner cylinder; the movable end of the motor B is provided with a bevel gear B 22, the head of the rotating shaft C is provided with a bevel gear A 23, the bevel gear A and the bevel gear B are meshed with each other; the bevel gear A and the bevel gear B are arranged in a gear box 24; the gear box 24 is fixed in the inner cylinder through a connecting rod 25. The tail of the rotating shaft C is rotatably connected with a bearing 26, and the bearing is fixed in the discharging pipe through a connecting rod.

[0057] The rotating shaft C below each turbulence ring plate is fixedly provided with a cleaning brush 27, and the bristles of the cleaning brush are in contact with the turbulence ring plate.

[0058] The technical scheme of the present application is not limited to the above specific embodiments, and any technical modification made according to the technical scheme of the present application falls within the protection scope of the present application.

Claims

1. A cement kiln preheating turbulence device, comprising a feeding pipe, a hot air inlet pipe and a cyclone; a wind lock valve is arranged on the feeding pipe, the tail of the feeding pipe is communicated with the hot air inlet pipe; the head of the hot air inlet pipe is communicated with the cyclone and is tangent to the cyclone; the center of the upper end surface of the cyclone is provided with an inner cylinder extending into the interior of the cyclone, and the bottom of the cyclone is provided with a discharging pipe; characterized in that: The feeding pipe is provided with a scattering assembly; The feeding pipe comprises a vertical pipe, a connecting pipe and a bent pipe from top to bottom; the bent pipe comprises a vertical part and an inclined part; the inclined part is communicated with the hot air inlet pipe; The upper end and the lower end of the connecting pipe are respectively flange-connected with the lower end of the vertical pipe and the upper end of the bent pipe; The scattering assembly is installed on the connecting pipe; the connecting pipe is a square pipe; The scattering assembly comprises a motor A, a rotating shaft A, a rotating shaft B, a crushing disc and a transmission assembly; The rotating shaft A and the rotating shaft B are transversely arranged and are both penetratingly connected with the connecting pipe; the rotating shaft B is below the rotating shaft A; one end of the rotating shaft A and one end of the rotating shaft B are connected through the transmission assembly; a plurality of crushing discs are arranged on the rotating shaft A and the rotating shaft B, and the crushing discs on the rotating shaft A and the rotating shaft B are staggered; The motor A drives the rotating shaft B to rotate, and the rotating shaft B drives the rotating shaft A to rotate through the transmission assembly.

2. A cement kiln preheat turbulence device according to claim 1, characterised in that: The vertical pipe and the bent pipe are both circular pipes; the inner diameters of the vertical pipe and the bent pipe are both smaller than the side length of the inner pipe of the connecting pipe; the lower end of the inner pipe of the connecting pipe is fixedly provided with a guide hopper, and the tail of the guide hopper extends into the vertical part of the bent pipe.

3. A cement kiln preheat turbulence device according to claim 1, wherein: The inside of an inner cylinder located in the cyclone cylinder is provided with a turbulence ring plate; the turbulence ring plate is uniformly provided with through holes; the turbulence ring plate is in the shape of a circular truncated cone with open upper and lower end surfaces; the diameter of the upper end surface of the turbulence ring plate is larger than the diameter of the lower end surface of the turbulence ring plate.

4. A cement kiln preheat turbulence device according to claim 3, characterised in that: At least two turbulence ring plates are arranged.

5. A cement kiln preheat turbulence device according to claim 4, characterised in that: A discharging assembly is further arranged in the cyclone cylinder; the discharging assembly comprises a motor B, a rotating shaft C and a stirring rod; the head of the rotating shaft C extends into the upper part of the inner cylinder after penetrating through all the turbulence ring plates, and the tail of the rotating shaft C extends into the discharging pipe and is rotationally connected with the discharging pipe; The movable end of the motor B is rotationally connected with the inner cylinder and extends into the inner cylinder; the movable end of the motor B is provided with a bevel gear B, the head of the rotating shaft C is provided with a bevel gear A, and the bevel gear A and the bevel gear B are meshed with each other; the bevel gear A and the bevel gear B are arranged in a gear box; the gear box is fixed in the inner cylinder through a connecting rod; the motor B drives the rotating shaft C to rotate; A plurality of stirring rods are arranged on the rotating shaft C in the discharging pipe.

6. A cement kiln preheat turbulence device according to claim 5, characterised in that: A cleaning brush is fixedly installed on the rotating shaft C below each turbulence ring plate, and the bristles of the cleaning brush are in contact with the turbulence ring plate.

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