CN214651986U

CN214651986U - Short distance conveyor among fine motion power particulate matter

Info

Publication number: CN214651986U
Application number: CN202120364487.7U
Authority: CN
Inventors: 邵立红; 王春华; 杨忠诚; 周豹
Original assignee: Wuzhong Tongsheng Chemical Co ltd
Current assignee: Wuzhong Tongsheng Chemical Co ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-11-09
Anticipated expiration: 2031-02-07

Abstract

The utility model relates to a little power particulate matter is short apart from conveyor in, including the cavity main part, the cavity main part includes the diffusion hybrid chamber of the inverted cone chamber of upper portion and lower part, cavity main part top sets up the feed inlet, diffusion hybrid chamber bottom side sets up a discharge gate, the material way is connected to the discharge gate outside, the discharge gate inboard corresponds and is provided with the power tuber pipe, the air outlet of power tuber pipe stretches into in the material way is carried, and the power tuber pipe after the ventilation makes produce the negative pressure in carrying the material way; a mixed air pipe is arranged at the middle upper part of the diffusion mixing cavity in a downward inclination manner, an air outlet of the mixed air pipe is aligned with the discharge hole, and the mixed air pipe comprises a contraction part and a diffusion hole which are arranged at the air outlet of the mixed air pipe and are sequentially arranged along the air outlet direction; half of the cone angle of the diffusion opening is alpha, the inclination angle of the mixed air pipe is beta, and alpha is more than or equal to 0 degree and less than or equal to beta. The utility model discloses the energy consumption is lower, and the transported substance material is high-efficient, stable, has reduced manufacturing cost.

Description

Short distance conveyor among fine motion power particulate matter

Technical Field

The utility model belongs to the technical field of the particulate matter is carried, concretely relates to little power particulate matter is short apart from conveyor in.

Background

The demand of modern manufacturing industry for mechanical automation is increasing, wherein the orderly and rapid transport of materials is of great importance. Traditional particulate matter conveying equipment conveying efficiency is low, and along with the increase of particulate matter delivery capacity, easily leads to the discharge gate of hopper bottom to block up in transportation process, and in addition, the material way of carrying also takes place to block up easily, and work of mediation has seriously influenced production efficiency.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a short distance conveyor in little power particulate matter of operation stability, efficient.

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

a middle-short distance conveying device for micro-power particles comprises a cavity body, wherein the cavity body comprises an inverted cone-shaped cavity at the upper part and a diffusion mixing cavity at the lower part, a feed inlet is formed in the top of the cavity body, a discharge outlet is formed in the bottom side of the diffusion mixing cavity, a conveying material channel is connected to the outer side of the discharge outlet, a power air pipe is correspondingly arranged on the inner side of the discharge outlet, an air outlet of the power air pipe extends into the conveying material channel, and the ventilated power air pipe enables negative pressure to be generated in the conveying material channel; a mixed air pipe is arranged at the middle upper part of the diffusion mixing cavity in a downward inclination manner, an air outlet of the mixed air pipe is aligned with the discharge hole, the mixed air pipe comprises a contraction part and a diffusion hole which are arranged at the air outlet of the mixed air pipe and are sequentially arranged along the air outlet direction, the contraction part is a partial conical cavity with the maximum outer diameter continuously reduced, and the diffusion hole is a partial conical cavity with the maximum outer diameter continuously increased; half of the cone angle of the diffusion opening is alpha, the inclination angle of the mixed air pipe is beta, and alpha is more than or equal to 0 degree and less than or equal to beta.

Further, the cross-sectional area of the feed port is C1, the material flow rate of the feed port is B1, the cross-sectional area of the discharge port is C2, the material flow rate of the discharge port is B2, the diffusion coefficient of air in the diffusion mixing cavity is K, the material conveying capacity is A,

A＝B1×C1，

A×K＝B2×C2，

then

B1 is 0.3 to 0.32m/s, B2 is 1 to 1.15m/s,

is composed of

The number K is 1.36, and the content,

then

The ratio is in the range of 2.3-2.8.

Furthermore, alpha is more than or equal to 15 degrees and less than or equal to beta is less than or equal to 75 degrees. Within this range, the effect of the mixing duct is best performed.

Further, the air outlet of the power air pipe is set to be a conical contraction head with the maximum outer diameter continuously reduced.

Furthermore, the shape of the diffusion mixing cavity is cylindrical or spherical, and the circular arc surface is beneficial to the mixing of the materials and the airflow and the flowing of the fluidized materials.

Further, a material screening device is installed at the tail end of the conveying material channel. Save material hoisting device, practice thrift newly-increased equipment cost, also can practice thrift this device section labour cost.

Further, a small vibration dust remover is further mounted at the top of the cavity body. As raise dust collecting equipment, be favorable to the material to carry simultaneously.

Has the advantages that: the utility model discloses the preparation letter becomes, and occupation space is less, and the energy consumption is lower, and the transported substance material is high-efficient, stable, reduces the maintenance cost, still can save in a large number artifical and transport lifting means, has reduced manufacturing cost.

Drawings

FIG. 1 is a schematic structural diagram of a short-distance conveying device in micro-power particulate matters;

FIG. 2 is a schematic view of the arrangement structure of the mixing duct;

FIG. 3 is a schematic view of the arrangement structure of the power air duct;

in the figure, a cavity body 1, a feed inlet 11, a discharge outlet 12, a power air duct 2, a contraction head 21, a mixed air duct 3, a contraction part 31 and a diffusion opening 32.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 to 3 show a middle-short distance conveying device for micro-power particulate matters, which comprises a cavity body 1, wherein the cavity body 1 comprises an upper inverted cone-shaped cavity and a lower diffusion mixing cavity, the inverted cone-shaped cavity enables particulate materials to fall under gravity, and a mixing air pipe 3 is matched to enable the particulate materials to be fully mixed with air in the diffusion mixing cavity so as to enable the materials to be fluidized, and the diffusion mixing cavity provides a larger space for the particulate materials to be mixed and fluidized; the top of the cavity body 1 is provided with a feeding hole 11, the bottom side of the diffusion mixing cavity is provided with a discharging hole 12, the outer side of the discharging hole 12 is connected with a conveying material channel, the inner side of the discharging hole 12 is correspondingly provided with a power air pipe 2, an air outlet of the power air pipe 2 extends into the conveying material channel, and the ventilated power air pipe 2 enables negative pressure to be generated in the conveying material channel; a mixed air pipe 3 is obliquely arranged at the middle upper part of the diffusion mixing cavity in a downward inclined mode, an air outlet of the mixed air pipe 3 is aligned to the discharge hole 12, the mixed air pipe 3 comprises a contraction part 31 and a diffusion opening 32, the contraction part 31 and the diffusion opening 32 are arranged at the air outlet of the mixed air pipe 3 and are sequentially arranged along the air outlet direction, the contraction part 31 is a partial conical cavity with the maximum outer diameter continuously reduced, and the diffusion opening 32 is a partial conical cavity with the maximum outer diameter continuously increased; half of the cone angle of the diffusion opening 32 is alpha, the inclination angle of the mixed air pipe 3 is beta, and alpha is more than or equal to 0 degree and less than or equal to beta. In order to cooperate with the negative pressure formed in the material conveying channel at the discharge port 12, the power air pipe 2 and the mixed air pipe 3 are respectively and hermetically connected with the cavity body 1, and the feed port 11 is also hermetically connected with the pipeline. As shown in FIG. 1, if the upper and lower parts of the chamber body 1 are detachably connected, the connection part should be sealed.

The cross-sectional areas of the feed inlet 11 and the discharge outlet 12 and the cross-sectional areas of the pipeline and the conveying material channel connected with the feed inlet are specifically designed as follows: the cross section area of the feed port 11 is C1, the material flow rate of the feed port 11 is B1, the cross section area of the discharge port 12 is C2, the material flow rate of the discharge port 12 is B2, the diffusion coefficient of air in the diffusion mixing cavity is K, the material conveying capacity is A, then,

A＝B1×C1，

A×K＝B2×C2，

then

B1 is 0.3 to 0.32m/s, B2 is 1 to 1.15m/s,

is composed of

The number K is 1.36, and the content,

then

The ratio is in the range of 2.3-2.8.

In addition, the more precise numerical ranges for α and β are 15 ° α ≦ β ≦ 75 °. Within this range, the effect of the mixing duct 3 is best performed.

The air outlet of the power air pipe 2 is provided with a conical contraction head 21 with the maximum outer diameter continuously reduced, so that negative pressure can be conveniently formed in the conveying material channel, the positive pressure phenomenon in the cavity body 1 can not occur, the airflow speed can be increased by the design, the material conveying speed is accelerated, the valve of the mixing air pipe 3 is opened before the equipment is put into use, negative pressure is formed in the conveying material channel at the discharge port 12 after the normal conveying, the material is automatically sucked into the discharge pipeline, the mixing air pipe 3 can be closed, and energy is saved; the air power can adopt the existing air system of a factory or adopt a small-sized high-pressure centrifugal fan as a conveying power source.

The diffusion mixing cavity is cylindrical or spherical, and the circular arc surface is favorable for mixing the materials with the air flow and flowing the fluidized materials.

And a material screening device is arranged at the tail end of the conveying channel. Save material hoisting device, practice thrift newly-increased equipment cost, also can practice thrift this device section labour cost.

A small vibration dust remover is further mounted at the top of the cavity body 1. As raise dust collecting equipment, be favorable to the material to carry simultaneously.

Description of the principle: the utility model discloses in utilize material fluidization theory and two-phase flow principle, so-called material fluidization means that solid particle presents the phenomenon with the fluid similar flowing property under fluidic effect, so-called two-phase flow means the mixed flow that two-phase incompatible material formed, and two-phase flow is of a great variety, for example: oil-water two-phase flow, gas-liquid two-phase flow and gas-solid two-phase flow, the utility model discloses in be gas-solid two-phase flow, the design of mixing tuber pipe 3 makes the air current from wherein out diffuse naturally, constriction 31 makes the air current wherein temporarily compressed, instantaneous relaxation diffusion in getting into diffusion mouth 32, fully mix and fluidize with the granule material that drops down, concretely, the effect of mixing tuber pipe 3 embodies blockade, push down and not hard up, mixing tuber pipe 3 aims at discharge gate 12 slope setting, make the material that gets into the diffusion mixing chamber seal in the diffusion mixing chamber, can't backward scurry to feed inlet 11 department, and utilize the action of gravity of material and the effort of air current to directly push down the material to discharge gate 12, the negative pressure suction that produces in the transport material way of cooperation power tuber pipe 2, make the fluidized material get into the transport material way smoothly fast, the transport wind of injection carries out the secondary acceleration in power tuber pipe 2, meanwhile, the air flow in the mixing air pipe 3 is adjustable, so that the materials which do not enter the material conveying channel from the discharge port 12 in the diffusion mixing cavity can be loosened, and the materials can be more conveniently conveyed by entering the material conveying channel.

To sum up, the utility model discloses obvious beneficial effect does: the utility model discloses the preparation letter becomes, and occupation space is less, and the energy consumption is lower, and the transported substance material is high-efficient, stable, reduces the maintenance cost, still can save in a large number artifical and transport lifting means, has reduced manufacturing cost.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The middle-short distance conveying device for the micro-power particles comprises a cavity body and is characterized in that the cavity body comprises an inverted cone-shaped cavity at the upper part and a diffusion mixing cavity at the lower part, a feed inlet is formed in the top of the cavity body, a discharge outlet is formed in the bottom side of the diffusion mixing cavity, a conveying material channel is connected to the outer side of the discharge outlet, a power air pipe is correspondingly arranged on the inner side of the discharge outlet, an air outlet of the power air pipe extends into the conveying material channel, and negative pressure is generated in the conveying material channel by the ventilated power air pipe; a mixed air pipe is arranged at the middle upper part of the diffusion mixing cavity in a downward inclination manner, an air outlet of the mixed air pipe is aligned with the discharge hole, the mixed air pipe comprises a contraction part and a diffusion hole which are arranged at the air outlet of the mixed air pipe and are sequentially arranged along the air outlet direction, the contraction part is a partial conical cavity with the maximum outer diameter continuously reduced, and the diffusion hole is a partial conical cavity with the maximum outer diameter continuously increased; half of the cone angle of the diffusion opening is alpha, the inclination angle of the mixed air pipe is beta, and alpha is more than or equal to 0 degree and less than or equal to beta.

2. The device for transporting micro-particles with medium and short distance as claimed in claim 1, wherein the cross-sectional area of the inlet is C1, the cross-sectional area of the outlet is C2,

is in the range of 2.3 to2.8。

3. The device for short distance transport of micropower particles of claim 1, wherein α is 15 ° or more and β is 75 ° or less.

4. The device for transporting micro-power particles in a short distance according to claim 1, wherein the air outlet of the power air pipe is provided with a conical contraction head with the maximum outer diameter continuously reduced.

5. The device for short distance transport of micro-power particles of claim 1, wherein the shape of the diffusion mixing chamber is cylindrical or spherical.

6. The medium-short distance conveying device for micro-power particulate matters according to claim 1, wherein a material screening device is installed at the tail end of the conveying material channel.

7. The device for transporting micropower particles in short distance according to claim 1, wherein a small vibration dust remover is also installed on the top of the cavity body.