CN214792575U

CN214792575U - Kiln tail preheating mechanism of dry-method cement kiln

Info

Publication number: CN214792575U
Application number: CN202121337917.2U
Authority: CN
Inventors: 张异才; 何国卿
Original assignee: Inner Mongolia Yidong Jidong Cement Co ltd
Current assignee: Inner Mongolia Yidong Jidong Cement Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-11-19
Anticipated expiration: 2031-06-16

Abstract

The utility model provides a dry process cement kiln tail preheats mechanism, including preheating storehouse, feeding case heat exchanger, the feeding case is installed at the top in preheating storehouse, and there is the heat exchanger right side in preheating storehouse through the pipe connection, and the inner panel is installed to the inside top of feeding case, and the opening is provided with feedstock channel in the inner panel, and the inside of inner panel is provided with can be to the dispersion subassembly of material stirring, and the higher separable set of dispersion degree is installed to the inside below of inner panel. The utility model discloses can make the material dispersion of piling up together more even, avoid a large amount of materials to pile up together, further improvement cement kiln preheats the effect.

Description

Kiln tail preheating mechanism of dry-method cement kiln

Technical Field

The utility model relates to a cement kiln tail preheats technical field, especially relates to a dry process cement kiln tail preheats mechanism.

Background

In the dry cement production process, feeding devices are arranged at the smoke chamber rising flue and the air pipes of all levels of cyclones of the cement production line, so that falling materials in all levels of blanking pipes of a preheater are uniformly dispersed, and heat exchange between the materials and high-temperature smoke is facilitated;

for example, in a cement kiln tail preheating device with a patent number of ZL202020199151.5 in the prior art, a plurality of material guide plates are arranged on the inner wall of a feeding box in a staggered and opposite mode, after a material enters the feeding box and contacts with the material guide plates, the collision force between the material and the next material guide plate is increased due to the acting force of a spring, the effect of uniform dispersion of the material is further improved, and the preheating is more uniform;

through research and analysis, the following results are found:

when the material continuously drops and touches the guide plate when entering the feeding box, the spring on one side of the guide plate can be always in a compressed state, so that the rebound force generated by the spring can not push the guide plate to impact the material, and the material is not uniformly dispersed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing a preheating mechanism for the kiln tail of a dry-method cement kiln.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a kiln tail preheating mechanism of a dry-method cement kiln comprises a preheating bin and a feeding box heat exchanger, wherein the top of the preheating bin is provided with a feeding box, and the right side of the preheating bin is connected with the heat exchanger through a pipeline;

the inside top of feeding case is installed the inner panel, the opening is provided with feedstock channel in the inner panel, the inside of inner panel is provided with can be to the dispersion subassembly of material stirring, the higher separable set of dispersion degree of consistency is installed to the inside below of inner panel.

Preferably, the dispersion subassembly includes transfer line, blade, connecting rod and stirring leaf, the transfer line sets up the left side at the dispersion subassembly, the externally mounted of transfer line has the blade, the transfer line transversely sets up the middle part at feedstock channel, the vertical setting of connecting rod is in the right side below of transfer line, the skewed tooth of the outside skewed tooth in connecting rod top meshes with the skewed tooth of transfer line right side outer wall mutually, the stirring leaf is installed to the outer wall below of connecting rod.

Preferably, the feeding channel is internally provided with a guide plate, and a discharge hole at the rear end below the guide plate is arranged above the blade at the rear end of the transmission rod.

Preferably, the separating assembly comprises an inner barrel, a lower barrel and a collision rod, the inner barrel is arranged above the separating assembly, the lower barrel is arranged below the inner barrel through a screw, and the collision rod is arranged on the inner walls of the inner barrel and the lower barrel.

Preferably, the striker is arranged around the middle parts of the inner cylinder and the lower cylinder in a circular ring shape.

Preferably, the bottom end of the feeding channel is arranged at the upper left of the stirring blade.

Wherein, the inner cylinder body is arranged at the outer side of the stirring blade.

Wherein, the inside below of preheating storehouse is installed the heater respectively.

The utility model provides a dry process cement kiln tail preheats mechanism has following beneficial effect:

the utility model discloses can mix the bat to the material that drops automatically and scatter, glue when avoiding the material to drop and glue and pile up together and influence subsequent preheating effect, further improvement the degree of consistency of the dispersion of material.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic top view of a partial structure of the inner cylinder of the present invention;

fig. 3 is the right side section schematic diagram of the local structure of the middle feeding box of the present invention.

Illustration of the drawings:

the preheating device comprises a preheating bin 1, a feeding box 2, a heat exchanger 201, an inner plate 3, a feeding channel 301, a guide plate 4, a transmission rod 5, blades 501, a connecting rod 6, a stirring blade 601, an inner cylinder 7, a lower cylinder 8 and a collision rod 9.

Detailed Description

Referring to fig. 1-3, a kiln tail preheating mechanism of a dry-method cement kiln comprises a preheating bin 1 and a heat exchanger 201 of a feeding box 2, wherein the feeding box 2 is installed at the top of the preheating bin 1, and the right side of the preheating bin 1 is connected with the heat exchanger 201 through a pipeline;

inner panel 3 is installed to the inside top of feeding case 2, and the opening is provided with feedstock channel 301 in the inner panel 3, and the inside of inner panel 3 is provided with the dispersion subassembly that can stir the material, and the higher separable set of dispersion degree of consistency is installed to the inside below of inner panel 3.

In this embodiment, the dispersion subassembly includes transfer line 5, blade 501, connecting rod 6 and stirring leaf 601, transfer line 5 sets up the left side at the dispersion subassembly, the externally mounted of transfer line 5 has blade 501, transfer line 5 transversely sets up the middle part at feed channel 301, the vertical setting in the right side below of transfer line 5 of connecting rod 6, the skewed tooth of the outside top of connecting rod 6 meshes with the skewed tooth of transfer line 5 right side outer wall mutually, stirring leaf 601 is installed to the outer wall below of connecting rod 6, the material that drops promotes transfer line 5 when rotating through blade 501, can drive the rotation of stirring leaf 601 of connecting rod 6 and its below, let stirring leaf 601 stir the material that drops.

In this embodiment, the internally mounted of feed channel 301 has deflector 4, and the relief hole setting of deflector 4 below rear end is in the blade 501 top of transfer line 5 rear end for the material when dropping from deflector 4, can just in time drop on blade 501, makes transfer line 5 drive connecting rod 6 and rotate.

In this embodiment, the separating assembly includes interior barrel 7, barrel 8 and lance 9 down, and interior barrel 7 sets up in separating assembly's top, and barrel 8 is installed down through the screw rod in the below of interior barrel 7, and lance 9 is all installed to the inner wall of interior barrel 7 and barrel 8 down, and the material that contacts with pivoted stirring leaf 601 is after the dispersion, can strike lance 9 on barrel 7 and the barrel 8 down again in the striking for the material dispersion is more even.

In this embodiment, the striker 9 is arranged in a circular ring shape around the middle portions of the inner cylinder 7 and the lower cylinder 8, so that when the material falls, the material can collide with the striker 9 on the inner cylinder 7 and the lower cylinder 8 and then be dispersed.

In this embodiment, the bottom end of the feeding channel 301 is disposed at the upper left of the stirring blade 601, so that when the material drops from the feeding channel 301, the material just contacts the rotating stirring blade 601, and the material is dispersed.

The main function of the guide plate 4 is to let the material just fall on the blade 501 of the transmission rod 5, so that the stirring blade 601 on the connecting rod 6 can rotate without a driving device.

The working principle is as follows: when the materials are poured into the feeding box 2, the materials impact the blades 501 through the guide of the guide plate 4, so that the transmission rod 5 rotates, the transmission rod 5 rotates and simultaneously drives the connecting rod 6 and the stirring blades 601 on the outer wall of the connecting rod 6 to rotate, and the falling materials are stirred;

the materials can scatter when striking the stirring blade 601, and then scatter after striking the striking rods 9 on the outer walls of the inner cylinder 7 and the lower cylinder 8, so that the uniformity of the dispersion of the materials is further improved.

Claims

1. A kiln tail preheating mechanism of a dry-method cement kiln comprises a preheating bin (1) and a heat exchanger (201) of a feeding box (2), wherein the feeding box (2) is installed at the top of the preheating bin (1), and the right side of the preheating bin (1) is connected with the heat exchanger (201) through a pipeline;

inner panel (3) are installed to the inside top of feeding case (2), inner panel (3) well opening is provided with feedstock channel (301), the inside of inner panel (3) is provided with the dispersion subassembly that can stir the material, the higher separable set of dispersion degree of consistency is installed to the inside below of inner panel (3).

2. The kiln tail preheating mechanism of the dry cement kiln according to claim 1, wherein the dispersing assembly comprises a transmission rod (5), blades (501), a connecting rod (6) and stirring blades (601), the transmission rod (5) is arranged on the left side of the dispersing assembly, the blades (501) are mounted outside the transmission rod (5), the transmission rod (5) is transversely arranged in the middle of the feeding channel (301), the connecting rod (6) is vertically arranged on the lower right side of the transmission rod (5), oblique teeth on the outer portion above the connecting rod (6) are meshed with oblique teeth on the outer wall on the right side of the transmission rod (5), and the stirring blades (601) are mounted below the outer wall of the connecting rod (6).

3. The kiln tail preheating mechanism of the dry cement kiln according to claim 2, characterized in that a guide plate (4) is installed inside the feeding channel (301), and a discharge hole at the rear end below the guide plate (4) is arranged above the blade (501) at the rear end of the transmission rod (5).

4. The kiln tail preheating mechanism of the dry-method cement kiln according to claim 1, wherein the separation assembly comprises an inner cylinder (7), a lower cylinder (8) and a ram (9), the inner cylinder (7) is arranged above the separation assembly, the lower cylinder (8) is arranged below the inner cylinder (7) through a screw, and the ram (9) is arranged on the inner walls of the inner cylinder (7) and the lower cylinder (8).

5. The kiln tail preheating mechanism of the dry cement kiln according to claim 4, characterized in that the striker (9) is annularly arranged around the middle parts of the inner cylinder (7) and the lower cylinder (8).

6. The kiln tail preheating mechanism of the dry cement kiln according to claim 2, characterized in that the bottom end of the feeding channel (301) is arranged at the upper left of the stirring blade (601).