CN105698545A

CN105698545A - Material scattering device of cement preheater

Info

Publication number: CN105698545A
Application number: CN201610156219.XA
Authority: CN
Inventors: 陈黔; 梁勤; 曾淮海; 王晓萍
Original assignee: Nanning Yi Sude Mechanical Means Co Ltd
Current assignee: Nanning Yi Sude Mechanical Means Co Ltd
Priority date: 2016-03-18
Filing date: 2016-03-18
Publication date: 2016-06-22

Abstract

The invention discloses a material scattering device of a cement preheater. The material scattering device comprises an air duct, wherein a material scattering box is arranged on the outer wall at one side of the air duct; a feeding hole, a discharge hole and a first material guide tube are arranged on the material scattering box; the feeding hole is formed in the upper end of the material scattering box; the lower side of the feeding hole is sequentially provided with a buffer bin and a material limiting hole; a material scattering wheel which is in driving connection to a motor and is in clockwise rotation relative to the motor is arranged in the material scattering box; the material scattering wheel is positioned below the material limiting hole; the external circumference of the material scattering wheel is axially provided with a material scraping plate; the discharge hole is inclined upwards; a material baffle plate which is inclined downwards is arranged above the discharge hole; the axis of the material baffle plate and the axis of the air duct form an angle of 90-150 degrees; the bottom plate of the material scattering plate is inclined downwards; the bottom plate is provided with a first material guide tube which is inclined and extends downwards; the opening in the upper end of the first material guide tube is greater than that in the lower end of the material guide tube; and the cross section of the first material guide tube is in the shape of funnel. The device can be used for uniformly scattering cluster materials into the air duct.

Description

Cement preheater material-strewing device

Technical field

The present invention relates to cement manufacture plant, specifically, relate to a kind of cement preheater material-strewing device。

Background technology

In novel dry-method cement clinker technique, material can be added in the airduct of preheater, utilizes waste heat that material is preheated, for this, preheater airduct is provided with material-strewing device, to being sprinkled into equably in airduct by material。

Material-strewing device is tilting straight-through downward, it is provided with material inlet and material outlet, material inlet is connected with feed facility, material outlet is connected with airduct, and the residual heat air current in airduct upwards, utilizes the collision of downward material and thermal current upwards to break up, heated material, the uniformity being sprinkled in airduct material is more good, material is more abundant with hot air impingement, and steam is more good to heating material effect, and energy-saving effect is also more good。But, when running into bulk or concentrating material, this straight-through structure cannot accomplish uniform spreading, has had a strong impact on the pre-heat effect of material。

Summary of the invention

For the deficiencies in the prior art, it is an object of the invention to provide a kind of cement preheater material-strewing device, bulk or concentration material can be uniformly sprinkled in airduct by this device, make material and hot air impingement abundant, good energy-conserving effect, this device is additionally provided with passage simultaneously, can be imported in airduct by the material being detained, have the advantages that the pre-thermal efficiency is high on base plate。

For achieving the above object, the present invention is achieved by the following technical solutions: a kind of cement preheater material-strewing device, including airduct, the spreading case arranged on the outer wall of described airduct side, the charging aperture arranged on described spreading case, discharging opening and the first passage, described charging aperture is arranged on spreading case upper end, it is sequentially provided with buffering chamber on the downside of described charging aperture, limit material mouth, it is provided with in described spreading case to drive with motor and is connected and becomes the material casting wheel turned clockwise, described material casting wheel is positioned at below limit material mouth, described material casting wheel excircle is provided with material scraping plate vertically, described discharging opening is tilting upwards, it is provided above a striker plate diagonally downward at described discharging opening, described striker plate and airduct axis be in 90 °～and 150 °, the base plate of described spreading case is diagonally downward, described base plate has lower the first passage extended, described first passage upper end open is more than lower ending opening, its cross section funneling, described first passage lower end is connected to second passage of more than 2 diagonally downward, multiple described second passage upper end intersections are provided with aerator, lower end connects with airduct。

Further illustrating, described striker plate becomes 135 °～150 ° with airduct axis。

Further illustrating, described motor is numerical-control motor。

Compared with prior art, there is advantages that this device is by arranging material casting wheel, material casting wheel is driven with numerical-control motor, by material scattering and being dished out in airduct by material scraping plate, material can automatically scatter after being spilled over reverse entrance airduct under the effect of striker plate, thus reaching the purpose of uniform spreading, when running into concentration material, buffering chamber can buffer memory material, with limit material mouth size control enter spreading case inventory so that the material that material scraping plate is dished out is uniform；Drive material casting wheel speed to control material casting distance with numerical-control motor, control material casting amount by limit material mouth size。Material can be entered the second passage and carry out speed limit by the first passage employing funnel-shaped design, avoid the second passage blocking, material through the first passage, enter multiple second passage, and even into airduct under the effect of aerator, increasing the pre-thermal efficiency, automaticity is high。

Accompanying drawing explanation

Fig. 1 is for illustrating the schematic diagram of embodiment of the present invention cement preheater material-strewing device。

Parts title and sequence number in figure: 1-airduct 2-the first passage 3-motor 4-spreading case 5-limit material mouth 6-buffering chamber 7-charging aperture 8-material casting wheel 9-material scraping plate 10-discharging opening 11-striker plate 12-the second passage 13-aerator 41-base plate。

Detailed description of the invention

Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, but is not intended to protection scope of the present invention and range of application:

As shown in Figure 1, a kind of cement preheater material-strewing device, including airduct 1, the spreading case 4 arranged on the outer wall of airduct 1 side, charging aperture 7, discharging opening 10 and the first passage 2 arranged on spreading case 4, charging aperture 7 is arranged on spreading case 4 upper end, is sequentially provided with buffering chamber 6, limit material mouth 5 on the downside of charging aperture 7, and charging aperture 7 is connected with spreading case 4 with limit material mouth 5 by buffering chamber 6；It is provided with in spreading case 4 to drive with motor 3 and is connected and becomes the material casting wheel 8 turned clockwise, preferably, motor 3 is numerical-control motor, can automatically adjust different rotating speeds, easy to operate, material casting wheel 8 is positioned at below limit material mouth 5, material casting is taken turns 8 excircles and is provided with material scraping plate 9 vertically, discharging opening 10 tilting upwards, the base plate of spreading case 4 is tilting is upwards set to 30～150 ° with the angle of airduct 1 axis, such as 30 °, 60 °, 90 °, 120 °, 150 °, it is provided above a striker plate 11 diagonally downward at discharging opening 10, striker plate 11 is in 90 ° with airduct 1 axis～and 150 °, such as 90 °, 120 °, 135 °, 150 °。Preferably, institute's striker plate 11 becomes 135 °～150 ° with airduct 1 axis can obtain best entrance airduct 1 effect, base plate 41 surface thereof of described spreading case 4 is downward, be conducive to the material on base plate 41 to slip in airduct 1 to preheat, material accumulation on base plate 41 can be reduced, described base plate 41 has lower the first passage 2 extended, described first passage 2 upper end open is more than lower ending opening, its cross section funneling, described first passage 2 lower end is connected to second passage 12 of more than 2 diagonally downward, multiple described second passage 12 upper end intersections are provided with aerator 13, lower end connects with airduct 1。

This device is by arranging material casting wheel 8, material casting wheel 8 is driven with numerical-control motor, by material scattering and dished out in airduct 1 by material scraping plate 9, material can automatically scatter after being spilled over reverse entrance airduct 1 under the effect of striker plate 11, thus reaching the purpose of uniform spreading, when running into concentration material, buffering chamber 6 can buffer memory material, control to enter the inventory of spreading case 4 by limit material mouth 5 size, so that the material that material scraping plate 9 is dished out is uniform；Drive material casting to take turns 8 rotating speeds with numerical-control motor and control material casting distance, control material casting amount by limit material mouth 5 size。First passage 2 adopts funnel-shaped design material can enter the second passage to carry out speed limit, the second passage 12 is avoided to block, material through the first passage 2, enter multiple second passage 12, and even into airduct 1 under the effect of aerator 13, increasing the pre-thermal efficiency, automaticity is high。

Above content is in conjunction with concrete preferred implementation further description made for the present invention, it is impossible to assert that specific embodiment of the invention is confined to these explanations。For general technical staff of the technical field of the invention; make some equivalent replacements or obvious modification without departing from the inventive concept of the premise; and performance or purposes are identical, the scope of patent protection that the present invention is determined all should be considered as belonging to by submitted claims。

Claims

1. a cement preheater material-strewing device, it is characterized in that: include airduct (1), the spreading case (4) arranged on the outer wall of described airduct (1) side, the upper charging aperture (7) arranged of described spreading case (4), discharging opening (10) and the first passage (2), described charging aperture (7) is arranged on spreading case (4) upper end, described charging aperture (7) downside is sequentially provided with buffering chamber (6), limit material mouth (5), it is provided with in described spreading case (4) to drive with motor (3) and is connected and becomes material casting wheel (8) turned clockwise, described material casting wheel (8) is positioned at described limit material mouth (5) lower section, described material casting wheel (8) excircle is provided with material scraping plate (9) vertically, it is provided above a striker plate (11) diagonally downward at described discharging opening (10), described striker plate (11) and airduct (1) axis be in 90 °～and 150 °, the base plate (41) of described spreading case (4) is diagonally downward, described base plate (41) bottom has lower the first passage (2) extended, described first passage (2) upper end open is more than lower ending opening, its cross section funneling, described first passage (2) lower end is connected to second passage (12) of more than 2 diagonally downward, multiple described second passage (12) upper end intersections are provided with aerator (13), lower end connects with airduct (1)。

2. cement preheater material-strewing device according to claim 1, it is characterised in that: described striker plate (11) becomes 135 °～150 ° with airduct (1) axis。

3. the cement preheater material-strewing device according to claim 1 or 2, it is characterised in that: described motor (3) is numerical-control motor。