CN211246866U

CN211246866U - Device for dispersing viscous materials

Info

Publication number: CN211246866U
Application number: CN201921459519.0U
Authority: CN
Inventors: 过震文; 宰正浩; 徐斌; 孙文州; 章和嘉; 宰君浩
Original assignee: Shanghai Municipal Planning And Design Institute Co ltd; Shanghai Pudong New Area Xingsheng Roadbed Material Co ltd
Current assignee: Shanghai Municipal Planning And Design Institute Co ltd; Shanghai Pudong New Area Xingsheng Roadbed Material Co ltd
Priority date: 2018-09-07
Filing date: 2019-09-04
Publication date: 2020-08-14
Anticipated expiration: 2029-09-04

Abstract

A device for dispersing viscous materials comprises a mixed material spraying box arranged on an adjustable support, wherein the upper part of the mixed material spraying box is a material bin, the bottom of a material feeding bin is provided with an adjustable material control device, the tail part of the mixed material spraying box is provided with a centrifugal blower, and one end of the centrifugal blower is provided with a gas injection pipe; the adjustable material device is arranged above the gas injection pipe; the head of the mixed material spraying box is a material spraying pipe, the material spraying pipe extends into the material distribution box body, the material distribution box body is N-shaped, the left inclined edge of the N shape is a coarse material impact plate, the right edge of the N shape is a fine material impact plate, and the positions below the coarse material impact plate and the fine material impact plate are respectively and correspondingly provided with a coarse material feeding port and a fine material feeding port; the upper part of the material distribution box body is connected with a cyclone separator, and a powder blanking hopper is arranged below the cyclone separator; the cyclone separator is connected with the air inlet of the centrifugal blower through a pipeline. The utility model discloses adopt the method that air current sprays and adds the striking, disperse the binder to improve the efficiency of next separation.

Description

Device for dispersing viscous materials

Technical Field

The utility model relates to a device for dispersing viscidity material.

Background

Viscous materials, in which particular materials are difficult to directly sort, are wrapped by viscous particles containing some moisture (e.g., 10-18%). Particularly, for the slag at the bottom of the furnace generated by burning household garbage furnace or medical waste through a furnace discharging device, the metal substances contained in the slag need to be sorted out in the process of disposing the viscous materials, because the metal substances have different grain sizes and forms, particularly the metal substances with small grain sizes (1-5 mm) are wrapped by viscous mud particles, the existing various sorting technologies (specific gravity sorting, magnetic separation, high-voltage electrostatic sorting, eddy current sorting and the like) are adopted to directly sort the viscous materials, the ideal requirements are difficult to achieve, certain pretreatment needs to be carried out, and the existing common pretreatment method adopts a water washing technology to remove the viscosity among the viscous materials, and then the corresponding sorting technology is used to sort and extract the specific materials. However, the defects of the water washing mode are obvious, and the problem of water pollution during and after water washing needs to be solved; under the condition of continuously paying attention to environmental protection at present, the popularization and the application are not facilitated.

There is also a prior art which does not use water washing to disperse viscous materials, such as the chinese patent CN103118808B entitled separation equipment, although it adopts a dry method, and uses a striking plate on a high-speed rotating drum to strike the materials to achieve the effect of dispersing them. However, there is still a need for further improvement in the efficiency and effect of the separation.

Disclosure of Invention

The object of the present invention is to overcome the above-mentioned drawbacks of the prior art and to provide a method for dispersing viscous materials and a corresponding device.

The utility model discloses a concrete technical scheme is:

a device for dispersing viscous materials comprises a mixed material spraying box arranged on an adjustable support, wherein the upper part of the mixed material spraying box is a material bin, the bottom of a material feeding bin is provided with an adjustable material control device, the tail part of the mixed material spraying box is provided with a centrifugal blower, and one end of the centrifugal blower is provided with a gas injection pipe; the adjustable material device is arranged above the gas injection pipe; the head of the mixed material spraying box is a material spraying pipe, the material spraying pipe extends into the material distribution box body, the material distribution box body is N-shaped, the left inclined edge of the N shape is a coarse material impact plate, the right edge of the N shape is a fine material impact plate, and the positions below the coarse material impact plate and the fine material impact plate are respectively and correspondingly provided with a coarse material feeding port and a fine material feeding port; the upper part of the material distribution box body is connected with a cyclone separator, and a powder blanking hopper is arranged below the cyclone separator; the cyclone separator is connected with the air inlet of the centrifugal blower through a pipeline.

The utility model discloses disperse viscidity material device's processing as follows:

the materials to be treated uniformly fall into the spraying box through the feeding bin, are adsorbed by high-speed airflow of the spraying pipe in the spraying box and then are sprayed to the front mixed spraying box, the airflow in the mixed spraying box is carried with the materials to be treated with different particle sizes and is sprayed out from the outlet of the spraying pipe at a speed higher than the set speed, and in the process that the materials are adsorbed to the outlet of the spraying pipe and are sprayed out, collision is generated among the materials and among the materials, the box body and the outlet pipe wall, and the materials are crushed and dispersed; the materials are distributed on the cross section from top to bottom along with the difference of the mass from small to large, the large-particle materials at the lower part of the outlet cross section are opposite to the coarse material impact plate in the middle of the separation box and are impacted again to break and disperse the materials, and then the materials drop to the coarse material outlet to enter the next coarse material processing procedure; small-particle materials which are not intercepted by the coarse material impact plate are ejected from the outlet, then impact on a side plate at the rear upper part of the separation box, namely the fine material impact plate, and are also impacted, so that the materials are crushed and dispersed, then fall to the fine material outlet and enter the next fine material treatment process; part of fine powder in the gas is sucked away by an exhaust pipeline at the top along with the gas, enters a cyclone separator, is separated by the cyclone separator, is discharged from the bottom, and independently enters the next powder treatment process; or according to the actual requirement, the powder is mixed into the fine material and enters the next fine powder treatment process for treatment; the gas discharged from the outlet of the cyclone separator is introduced into the inlet of the centrifugal blower through a pipeline to be used as a jet gas source.

Before with to handling the utility model discloses all adopt eddy current method aftertreatment after the processing, the result shows, to nonmetal's separation effect, if do not adopt the utility model discloses the method, separation efficiency is 35-40%, adopts the utility model discloses the method, separation efficiency is 75-85%.

The utility model discloses also applicable to other have certain viscidity, the processing of all kinds of materials that need the dispersion again.

Drawings

Fig. 1 is a schematic connection diagram of the device for dispersing viscous materials according to the present invention.

In the figure:

1. a feeding bin; 2. a centrifugal blower; 3. a gas injection pipe; 4. a mixing and spraying box; 5. a material spraying pipe; 6. an adjustable material control device (baffle); 7. a coarse material impact plate; 8. a material distributing box body; 81. a fine material impact plate; 9. an adjustable support; 10. a cyclone separator.

Detailed Description

As shown in fig. 1, the main structure of the device of the utility model is a set of improved venturi ejector, the upper part of which is provided with a feeding bin 1 with a material control device, the bottom of which is provided with an adjustable material control device 6, and a gas injection pipe 3 is connected with a medium-high pressure centrifugal blower 2; the front end of the gas injection pipe extends into the mixed spraying box 4 arranged on the adjustable support 9, and the outlet of the spraying pipe 5 extends into the material distribution box body 8 and is connected with the material distribution box body; the bottom of the material distributing box body 8 is provided with 2 outlets of coarse materials and fine materials, the middle part of the material distributing box body is divided by a coarse material impact plate 7 with adjustable height, the inside of the material distributing box body is in an N shape, the left inclined edge of the N shape is the coarse material impact plate, the right edge of the N shape is the fine material impact plate 81, the top of the material distributing box body is provided with an exhaust outlet which is connected with a cyclone separator 10 through a pipeline, separated gas is connected with an air inlet of a centrifugal blower through the pipeline, and fine powder generated by the cyclone separator 10 is discharged from the bottom.

A valve is arranged at the inlet of the centrifugal blower 2, the air quantity of the system is adjusted, and the air speed at the outlet of the ejector is controlled;

the bottom of the feeding bin is provided with an adjustable material control device 6 for controlling the flow and adjusting the blanking position;

after the basic position of the mixed spraying box 4 is determined, the horizontal position can be adjusted by 0-10 degrees so as to adjust the material spraying landing point;

the height of the separator coarse material impact plate 7 can be adjusted to adjust the proportion of coarse material and fine material.

The operation process of the device is as follows:

the materials to be treated uniformly fall into the injection box through the feeding bin, are adsorbed by high-speed airflow (more than 60-80 m/s) of a material spraying pipe in the injection box and then are sprayed to the front mixed material spraying box, the airflow in the mixed material spraying box carries the materials to be treated with different particle sizes of 0-15 mm, the materials to be treated are sprayed out from an outlet of the material spraying pipe at a speed of more than 30 m/s, and in the process that the materials are adsorbed to the outlet and are sprayed out, collision is generated among the materials and between the materials and the walls of a box body and an outlet pipe, and the materials are crushed and dispersed; the materials are distributed from top to bottom on the section under the action of jet air flow and suction air flow from the front upper part to the rear upper part according to different masses, large-particle materials at the lower part of the section of the outlet are opposite to an impact plate which is arranged at a proper position of the coarse material box body of the separation box and can adjust the vertical and angle, so that the materials are impacted again, the materials are crushed and dispersed, then the materials fall to a coarse material outlet, and part of the materials fall into the coarse material box body under the action of gravity after turning over an impact class due to impact splashing and enter the next treatment stage; small-particle materials which are not intercepted by the coarse material impact plate are ejected from the outlet, then impact on a side plate at the rear upper part of the separation box, namely the fine material impact plate, and are also impacted, so that the materials are crushed and dispersed, then fall to the fine material outlet and enter the next fine material treatment process; part of fine powder in the gas is sucked away by an exhaust pipeline at the top along with the gas, enters a cyclone separator, is separated by the cyclone separator, is discharged from the bottom, and independently enters the next powder treatment process; according to the actual requirement, the powder can be mixed into the fine material and then enters the next fine powder treatment process for treatment; the gas discharged from the outlet of the cyclone separator comprises part of evaporated water vapor, and one part of the evaporated water vapor is introduced into the inlet of the centrifugal blower through a pipeline and is used as a jet air source.

The utility model discloses take air current to spray and add the method of striking, disperse the binder to improve the efficiency of next separation, the in-service use effect as follows:

the domestic waste incineration slag (processed in the previous process) after being processed by the device has the following dispersion effect:

basic data of raw materials: water content: 12-14%: the particle size is 0-15 (mm).

To above-mentioned embodiment, before with to the processing the utility model discloses all adopt eddy current method aftertreatment after the processing, the result shows, to nonmetal's sorting effect, if do not adopt the utility model discloses the method, sorting efficiency is 35-40%, adopts the utility model discloses the method, sorting efficiency is 75-85%.

The utility model discloses be different from at present existing dispersion technique to viscidity material: compared with the technology of dispersing the materials by washing and then extracting the specific materials, the utility model has no water in the whole process, thereby avoiding the problem of subsequent sewage and sludge treatment; compared with the prior art, the material is beaten by adopting the beating plate on the high-speed rotating drum wheel, so that the technical effect of dispersing the material is achieved. Compare with current splitter, the contrast adopts CN103118808B mechanical type to have the mode of 2 grades of coarse fodder and fine material only, the utility model discloses utilize the atmospheric pressure separation, can produce the mode of 3 grades, coarse fodder, fine material and powder. Both belong to dry dispersion, but have fundamental differences; the technical scheme of beating of adoption is different, and the air jet is totally different with drum wheel striking plate promptly, because the mechanism of the thickness powder separation of the two is different, and the result that obtains is totally opposite, the utility model discloses the method of negative pressure suction has been taken at the rear end, has improved the separation effect, and the separation has produced the fine powder of 3 rd grade simultaneously.

Claims

1. A device for dispersing viscous materials is characterized by comprising a mixed material spraying box arranged on an adjustable support, wherein the upper part of the mixed material spraying box is a material bin, the bottom of a material feeding bin is provided with an adjustable material control device, the tail part of the mixed material spraying box is provided with a centrifugal blower, and one end of the centrifugal blower is provided with a gas injection pipe; the adjustable material device is arranged above the gas injection pipe; the head of the mixed material spraying box is a material spraying pipe, the material spraying pipe extends into the material distribution box body, the material distribution box body is N-shaped, the left inclined edge of the N shape is a coarse material impact plate, the right edge of the N shape is a fine material impact plate, and the positions below the coarse material impact plate and the fine material impact plate are respectively and correspondingly provided with a coarse material feeding port and a fine material feeding port; the upper part of the material distribution box body is connected with a cyclone separator, and a powder blanking hopper is arranged below the cyclone separator; the cyclone separator is connected with the air inlet of the centrifugal blower through a pipeline.