CN210193785U - Integrated device for producing cold-bonded environment-friendly briquette - Google Patents

Abstract

The utility model discloses an integrated device of cold knot environmental protection moulded coal production, including the classifying screen, rubbing crusher, the measurement scale, the dry powder mixer, powder spray device, wet material mixer, spray set, the make-up machine, hopper and transmission band, establish vibrating motor on the classifying screen, fine coal or the coke powder of hopper one are delivered to classifying screen entry through transmission band one, the sieve unloading is delivered fine coal or coke powder windrow by transmission band two, the oversize material falls into transmission band three and is delivered rubbing crusher, the rubbing crusher export is established classifying screen two, the sieve unloading is delivered fine coal or coke powder windrow by transmission band four, the oversize material falls into transmission band five and is transferred to transmission band six again and deliver rubbing crusher regrind. The piled materials of the pulverized coal and the coke powder are weighed by a seventh conveying and metering device and then conveyed to a dry powder stirrer by an eighth conveying belt. And a binder powder spraying device is arranged above the dry powder stirring machine, the pulverized coal, the coke powder and the binder fall into the wet material stirring machine after being stirred, and a spraying device is arranged at the front end above the wet material stirring machine, is added with water and stirred, falls onto the conveying belt nine and is conveyed to a forming machine to be pressed into wet cold-bonded coal.

Description

Integrated device for producing cold-bonded environment-friendly briquette

Technical Field

The utility model belongs to the technical field of the energy environmental protection, concretely relates to integrated device of cold knot environmental protection moulded coal production.

Background

The briquette is made up by using powdered coal as main raw material and making it pass through the processes of mechanical processing and press-forming according to the required mixing ratio, mechanical strength and form and has the advantages of certain strength, size and form. The cold-bonded environment-friendly briquette is prepared by mixing three raw materials of pulverized coal, coke powder and an adhesive according to a certain proportion, the treated briquette can fix more than 80% of sulfur and remove more than 70% of smoke, and has the advantages of clean emission, full combustion and the like. However, the prior production technology has some problems, namely, the pulverized coal and the coke powder are inconsistent in crushed particles, the ratio of the pulverized coal and the coke powder is unstable, and the stirring is not uniform after the binder is added. Therefore, the product quality is unstable, the incomplete rate of the product is high, and the combustion effect and the economic benefit of the cold-bonded briquette are influenced.

Disclosure of Invention

Not enough to prior art exists, the utility model provides an integrated device of cold junction environmental protection moulded coal production, the device thoroughly solved the problem that exists in the above-mentioned production.

The utility model discloses a realize through following technical scheme.

An integrated device for producing cold-bonded environment-friendly coal comprises a classifying screen, a pulverizer, a scale, a dry powder stirrer, a powder spraying device, a wet material stirrer, a spraying device, a forming machine, a hopper and a conveying belt. The first classifying screen is a steel oscillating mesh screen with 8-10 meshes, a vibrating motor is arranged on the first classifying screen, the pulverized coal or the coke powder in the first hopper is fed to an inlet of the first classifying screen through a first conveying belt, qualified small particles fall from screen holes, and the collected particles are conveyed to a pulverized coal stacking material or a coke powder stacking material through a second conveying belt; the larger particles fall from the outlet on the screen into a third conveyor belt and are sent to the inlet of the pulverizer. An outlet of the pulverizer is provided with a second 8-10-mesh steel oscillating classifying screen, pulverized coal or coke powder is screened, qualified small particles fall from screen holes, and the particles are conveyed to a pulverized coal stacking material or a coke powder stacking material by a fourth conveying belt after being collected; the larger particles fall into a fifth conveying belt from an outlet on the screen, then are transferred to a sixth conveying belt, and are sent to an inlet of the crusher to be crushed again. And the powdered coal stacking material and the coke powder stacking material are conveyed into a hopper II of a metering scale through a conveying belt seventh, the powdered coal stacking material and the coke powder stacking material are alternately weighed according to the formula and are conveyed to a dry powder stirrer through a conveying belt eighth. And a binder powder spraying device is arranged above the dry powder stirrer and consists of an upper hopper and a lower quantitative miniature powder spraying head, and the binder is quantitatively sprayed into a mixture of the powdered coal pile and the coke powder pile in the dry powder stirrer. Fine coal, coke powder and binder fall into in the wet material mixer after dry powder mixer stirring, spray set establishes the front end in wet material mixer top, adds water and falls into on the transmission band nine after the stirring, send to the make-up machine and press into wet clod briquette.

Compared with the prior art, the utility model discloses the process is to raw materials classified screening, has avoided the tiny particle to get into rubbing crusher, has improved and has smashed peddler work efficiency. The crushed materials are classified and screened, so that the uniform size of the raw material particles entering a stock dump is ensured, and a foundation is laid for producing high-quality finished products. The powder spraying device of dry powder mixer and binder is designed, so that less than 1% of binder can be uniformly mixed with pulverized coal and coke powder, and guarantee is provided for improving the later-stage forming effect.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure, the device comprises a first grading sieve, a second grading sieve, a third grading sieve, a fourth grading sieve, a fifth conveying belt, a fourth conveying belt, a fifth conveying belt, a fourth conveying belt, a sixth conveying belt, a seventh conveying belt, a sixth conveying belt, a seventh conveying.

Detailed Description

As shown in figure 1, the utility model discloses an integrated device of knot environment-friendly coal production is raw materials material loading, screening classification, crushing, screening classification again, stacks, measures material loading, dry powder stirring, binder dusting, wet material stirring, sprays and adds water and shaping in proper order, including hierarchical sieve 1, rubbing crusher 2, measurement title 3, dry powder mixer 4, dusting device 5, wet material mixer 6, spray set 7, make-up machine 8, hopper and transmission band. The classifying screen I1 is a steel oscillating mesh screen with 8-10 meshes, a vibrating motor is arranged on the classifying screen I, powdered coal or coke powder is loaded into a hopper I9 by a forklift, the powdered coal or coke powder is conveyed to an inlet of the classifying screen I1 through a conveying belt I10, qualified small particles fall from a screen hole, and the collected particles are conveyed to a powdered coal stacking material 12 or a coke powder stacking material 13 through a conveying belt II 11; the larger particles fall from the outlet of the screen onto conveyor belt three 14 to the inlet of the shredder 2. An outlet of the pulverizer 2 is provided with a second 8-10-mesh steel oscillating classifying screen 15, pulverized coal or coke powder is screened, qualified small particles fall from screen holes, and the collected particles are conveyed to a pulverized coal stockpile 12 or a coke powder stockpile 13 by a fourth conveying belt 16; the larger particles fall from the outlet of the screen onto a conveyor belt five 17 and then to a conveyor belt six 18 to be fed to the inlet of the crusher 2 for crushing again. The pulverized coal stacking material 12 and the coke powder stacking material 13 are conveyed into a second hopper 20 of the metering scale 3 through a seventh conveying belt 19, the pulverized coal stacking material 12 and the coke powder stacking material 13 are alternately weighed according to the formula and conveyed to the dry powder stirring machine 4 through an eighth conveying belt 21. And a binder powder spraying device 5 is arranged above the dry powder stirring machine 4, the binder powder spraying device 5 consists of a hopper at the upper part and a quantitative micro powder spraying head at the lower part, and the binder is quantitatively sprayed into a mixture of a pulverized coal stack 12 and a coke powder stack 13 in the dry powder stirring machine 4. The pulverized coal, the coke powder and the binder fall into the wet material mixer 6 after being uniformly mixed by the dry powder mixer 4, the spraying device 7 is arranged at the front end above the wet material mixer 6, and the mixture falls onto the conveying belt nine 22 after being uniformly mixed by adding water and is sent to the forming machine 8 to be pressed into wet cold-formed coal.

Claims (2)

1. An integrated device for producing cold-bonded environment-friendly coal briquettes comprises a classifying screen, a pulverizer, a metering scale, a dry powder stirrer, a powder spraying device, a wet material stirrer, a spraying device, a forming machine, a hopper and a conveying belt, and is characterized in that a first classifying screen is an oscillating mesh screen with 8-10 meshes, a vibrating motor is arranged on the oscillating mesh screen, pulverized coal or coke powder in the first hopper is loaded into an inlet of the first classifying screen through the first conveying belt, qualified small particles fall from a screen hole, and the collected small particles are conveyed to a pulverized coal stockpile or a coke powder stockpile through the second conveying belt; larger particles fall into a third conveying belt from an outlet on the screen and are conveyed to an inlet of the pulverizer; an 8-10-mesh oscillating classification screen II is arranged at the outlet of the pulverizer, pulverized coal or coke powder is sieved, qualified small particles fall from the screen holes, the small particles are conveyed to a pulverized coal stacking material or a coke powder stacking material through a conveying belt IV after being collected, larger particles fall into a conveying belt V from an outlet on the screen, and then are conveyed to a conveying belt VI and conveyed to the inlet of the pulverizer for re-pulverization; conveying the powdered coal stacking material and the coke powder stacking material to a hopper II of a weighing scale through a conveying belt seventh, alternately weighing the powdered coal stacking material and the coke powder stacking material according to the formula, and conveying the powdered coal stacking material and the coke powder stacking material to a dry powder stirrer through a conveying belt eighth; a binder powder spraying device is arranged above the dry powder stirrer and quantitatively sprays the binder into a mixture of the powdered coal stockpile and the coke powder stockpile in the dry powder stirrer; the pulverized coal, the coke powder and the binder are uniformly stirred by a dry powder stirrer and then fall into a wet material stirrer; the spraying device is arranged at the front end above the wet material stirring machine, is uniformly mixed by adding water and falls onto the conveying belt nine, and is conveyed to the forming machine to be pressed into wet cold-caking coal.

2. An integrated device for the production of cold-bonded environment-friendly coal briquette according to claim 1, characterized in that the powder spraying device consists of an upper hopper and a lower quantitative micro powder spraying head.

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