CN215373552U

CN215373552U - Vertical preheater for rotary kiln

Info

Publication number: CN215373552U
Application number: CN202121247663.5U
Authority: CN
Inventors: 朱军; 李宏彬; 简平
Original assignee: Astron Titanium Yingkou Co ltd
Current assignee: Astron Titanium Yingkou Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-12-31
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses a vertical preheater for a rotary kiln, which comprises a base and a device body, wherein the upper surface of the base is provided with the device body, the upper surface of the device body is provided with a feed inlet, the interior of the device body is symmetrically provided with material distribution plates, the inner side wall of the device body is provided with one end of a material guide belt, the other end of the material guide belt is provided with a central distributor, the lower surface of the central distributor is symmetrically provided with a channel pipe, the lower surface of the channel pipe is provided with a plurality of material distribution pipes, the upper surface of the channel pipe is provided with an air outlet pipe, the bottom of each material distribution pipe is provided with a material guide groove, the tail end of each material guide groove is provided with a discharge outlet, the bottom of the device body is connected with the rotary kiln, high-temperature gas in the rotary kiln enters the device body through the discharge outlet, the material in the device body is preheated, and the water content of the material is reduced, the consumption of natural gas is saved, and the cost is further saved.

Description

Vertical preheater for rotary kiln

Technical Field

The utility model relates to the technical field of rotary kilns, in particular to a vertical preheater for a rotary kiln.

Background

The rotary kiln is a rotary calcining kiln, commonly called a rotary kiln, and can be divided into a cement kiln, a metallurgical chemical kiln and a lime kiln according to different materials to be treated, the rotary kiln gradually replaces an earth kiln and a shaft kiln which are backward in facility, high in pollution and high in energy consumption, when the rotary kiln is used, metallurgical pellets in a normal temperature state directly enter the rotary kiln to be calcined, the calcining temperature in the rotary kiln can be greatly influenced, the power consumption is increased, and the production cost is increased, so that a preheater is required to be equipped for use.

At present, when the existing preheater is used, materials cannot be well treated, and a large amount of fine powder is generated in the transportation process of the materials, so that a large amount of dust is generated, the fine powder is accumulated for a long time, and the production and processing requirements of the device are further influenced, so that the vertical preheater for the rotary kiln is particularly important.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a vertical preheater for a rotary kiln, which aims to solve the problems that the existing preheater proposed in the background art cannot well treat materials, and the materials generate a large amount of fine powder in the transportation process, further generate a large amount of dust, and are accumulated for a long time, so that the production and processing requirements of the device are influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a vertical preheater for rotary kiln, includes base and device body, the lower surface four corners of base is equipped with the support, the upper surface of base is equipped with the device body, the upper surface of device body is equipped with the feed inlet, the inside symmetry of device body is equipped with the branch flitch, two the top of dividing the flitch is equipped with the toper piece, the inside wall of device body is equipped with the one end in guide material area, the other end in guide material area is equipped with central tripper, the lower surface symmetry of central tripper is equipped with the passageway pipe, the lower surface of passageway pipe is equipped with a plurality of branch material pipes, the upper surface of passageway pipe is equipped with the outlet duct, the bottom of branch material pipe is equipped with the baffle box, the end of baffle box is equipped with the discharge gate.

Preferably, the inside symmetry of center tripper is equipped with the pivot, the fixed surface of pivot is connected with the lantern ring, the lantern ring is 2, two be equipped with the division board between the lantern ring, the external surface fixed connection of lantern ring has the connecting plate.

Preferably, the surface of the guide chute is connected with one end of a push rod in a sliding mode, the other end of the push rod penetrates through the device body to be provided with a handle, a connecting rod is arranged on the lower surface of the push rod, extending out of the device body, of the lower surface of the push rod, a spring is arranged at one end of the connecting rod, the other end of the spring is connected with the device body, a cavity is formed in the inner side wall of the device body, and a limiting rod is arranged on the upper surface of the push rod.

Preferably, the number of the connecting plates is 4, the connecting plates are circumferentially distributed on the surface of the sleeve ring, the rotating shafts rotate oppositely, and the rotating speeds are different.

Preferably, the top of the air outlet pipe is provided with a filter tank, and the filter tank is clamped with the device body.

Compared with the prior art, the utility model has the beneficial effects that: a vertical preheater for a rotary kiln has the following advantages:

according to the utility model, the bottom of the device body is connected with the rotary kiln, high-temperature gas in the rotary kiln enters the device body through the discharge port to preheat materials in the device body, so that the water content of the materials is reduced, the consumption of natural gas is reduced, and further the cost is saved.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is a schematic top view of the center distributor of the present invention;

FIG. 3 is a front sectional view of the center distributor of the present invention.

In the figure: 1-base, 2-device body, 3-support, 4-feed inlet, 5-material distributing plate, 6-conical block, 7-material guiding belt, 8-central material distributor, 9-channel pipe, 10-material distributing pipe, 11-material guiding groove, 12-material outlet, 13-rotating shaft, 14-lantern ring, 15-filter tank, 16-air outlet pipe, 17-connecting plate, 18-push rod, 19-handle, 20-connecting rod, 21-spring, 22-cavity, 23-limiting rod and 24-separating plate

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.

Referring to fig. 1-3, the present invention provides a technical solution: a vertical preheater for a rotary kiln comprises a base 1 and a device body 2, wherein four corners of the lower surface of the base 1 are provided with supports 3, the upper surface of the base 1 is provided with the device body 2, the upper surface of the device body 2 is provided with a feed inlet 4, the device body 2 is symmetrically provided with material distribution plates 5 inside, the tops of the two material distribution plates 5 are provided with conical blocks 6, the inner side wall of the device body 2 is provided with one end of a material guide belt 7, the other end of the material guide belt 7 is provided with a central material distributor 8, the lower surface of the central material distributor 8 is symmetrically provided with a channel pipe 9, the lower surface of the channel pipe 9 is provided with a plurality of material distribution pipes 10, wherein the included angle between the channel pipe 9 and the material distribution plate 5 and the horizontal plane is 45 degrees, fine powder generated by vertical falling of materials is reduced, the upper surface of the channel pipe 9 is provided with an air outlet pipe 16, and the bottom of the material distribution pipes 10 is provided with a material guide groove 11, the end of the guide chute 11 is provided with a discharge port 12, wherein the guide belt 7 and the rotating shaft 13 are provided with a motor matched with each other, the discharge port 12 is connected with the rotary kiln, the waste gas heat of the rotary kiln is utilized to preheat the material inside the device body 2, the moisture content of the material is reduced, the consumption of natural gas is saved, and the cost is further saved.

The control mode of the present application is automatically controlled by a controller, the control circuit of the controller can be realized by simple programming by those skilled in the art, and the present application is common knowledge in the field, and the present application mainly protects the mechanical device, so the control mode and the circuit connection are not explained in detail in the present application.

Specifically, the inside symmetry of center tripper 8 is equipped with pivot 13, the fixed surface of pivot 13 is connected with the lantern ring 14, the lantern ring 14 is 2, two be equipped with division board 24 between the lantern ring 14, the external surface fixed connection of lantern ring 14 has connecting plate 17, will through division board 24, connecting plate 17 and lantern ring 14, whole center tripper 8 distributes into 4 regions, cooperates the rotation of pivot 13, distributes the transportation with the material.

Particularly, the surperficial sliding connection of baffle box 11 has the one end of push rod 18, the other end of push rod 18 runs through device body 2 and is equipped with handle 19, the lower surface that the push rod stretches out device body 2 is equipped with connecting rod 20, the one end of connecting rod 20 is equipped with spring 21, the other end and the device body 2 of spring 21 are connected, the inside wall of device body 2 is equipped with cavity 22, the upper surface of push rod 18 is equipped with gag lever post 23, when baffle box 11 is inside to be taken place to block up, only need press through handle 19, drive push rod 18 and remove, extrude spring 21 simultaneously, push rod 18 upper surface gag lever post 23 removes inside cavity 22, until touching cavity 22, drive the inside material removal of baffle box 11, after the mediation is accomplished, under the effect of spring 21, the push rod resumes.

Particularly, the connecting plate 17 is 4 and the surface of circumference distribution and lantern ring 14, two pivot 13 is rotatory in opposite directions, and the rotational speed is different, and the rotational speed of two pivots 13 is different, prevents that two connecting plates 17 from appearing touching when rotating, influences the transportation of material, and the material is guaranteed from device center equipartition to the passageway pipe 9 is got into in the rotation in opposite directions simultaneously.

Particularly, the top of outlet duct 16 is equipped with filter tank 15, filter tank 15 and 2 joints of device body, from the waste gas that the rotary kiln produced, after the material is passed, produce the farine of a small amount of material easily, the easy polluted environment of direct discharge, filter tank 15's settlement can absorb the farine, prevents that the farine from directly discharging into influencing the environment in the air.

The working principle is as follows: when in use, the discharge hole 12 is firstly connected with the rotary kiln, waste gas in the rotary kiln enters the device body 2, then materials enter the device body 2 from the feed hole 4 at the top of the device body 2, the materials are dispersedly transported by the material distributing plate 5 and the conical block 6, then transported to the interior of the central material distributor 8 by the material guide belt 7, the materials are separated through the connecting plates 17, the lantern rings 14 and the partition plates 24, then fall into the channel pipe 9 in cooperation with the rotation of the rotating shaft 13, are preheated through waste gas in the material separating pipe 10, then fall onto the surface of the guide chute 11 and are conveyed to the discharge hole 12 to complete preheating, when the material guide chute 11 is blocked, the push rod 18 is driven to move through the handle 19, the push rod 18 drives the internal materials to move, meanwhile, the connecting rod 20 presses the spring 21, and after dredging, the spring 21 drives the push rod 18 to return to the original position.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A vertical preheater for a rotary kiln, comprising a base (1) and a device body (2), characterized in that: four corners of the lower surface of the base (1) are provided with brackets (3), the upper surface of the base (1) is provided with a device body (2), the upper surface of the device body (2) is provided with a feed inlet (4), the interior of the device body (2) is symmetrically provided with material distributing plates (5), the tops of the two material distributing plates (5) are provided with conical blocks (6), one end of the guide belt (7) is arranged on the inner side wall of the device body (2), the other end of the material guide belt (7) is provided with a central distributor (8), the lower surface of the central distributor (8) is symmetrically provided with channel pipes (9), the lower surface of the channel pipe (9) is provided with a plurality of material distributing pipes (10), the upper surface of the channel pipe (9) is provided with an air outlet pipe (16), the bottom of the material distributing pipe (10) is provided with a guide chute (11), and the tail end of the guide chute (11) is provided with a discharge hole (12).

2. A vertical preheater for a rotary kiln as set forth in claim 1, wherein: the inside symmetry of center tripper (8) is equipped with pivot (13), the fixed surface of pivot (13) is connected with the lantern ring (14), lantern ring (14) are 2, two be equipped with division board (24) between lantern ring (14), the external fixed surface of lantern ring (14) is connected with connecting plate (17).

3. A vertical preheater for a rotary kiln as set forth in claim 1, wherein: the utility model discloses a device for guiding a material, including baffle box (11), the surperficial sliding connection of baffle box (11) has the one end of push rod (18), the other end of push rod (18) runs through device body (2) and is equipped with handle (19), the lower surface that device body (2) were stretched out in push rod (18) is equipped with connecting rod (20), the one end of connecting rod (20) is equipped with spring (21), the other end and the device body (2) of spring (21) are connected, the inside wall of device body (2) is equipped with cavity (22), the upper surface of push rod (18) is equipped with gag lever post (23).

4. A vertical preheater for a rotary kiln as set forth in claim 2, wherein: the connecting plates (17) are 4 and are circumferentially distributed on the surface of the sleeve ring (14), the rotating shafts (13) rotate oppositely, and the rotating speeds are different.

5. A vertical preheater for a rotary kiln as set forth in claim 1, wherein: the top of outlet duct (16) is equipped with filter-tank (15), filter-tank (15) and device body (2) joint.