CN101074150B

CN101074150B - Economical cement grain mill

Info

Publication number: CN101074150B
Application number: CN2006100843544A
Authority: CN
Inventors: 卓石荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-05-20
Filing date: 2006-05-20
Publication date: 2012-05-30
Anticipated expiration: 2026-05-20
Also published as: CN101074150A

Abstract

Cement pulverizer is cheap, simple, impact and efficient, it saves resources, has low noise and wear-resisting parts, occupies less space and is easy to maintain. It can be used to grind cement clinker and other crisp material and slurry.

Description

A kind of high energy saving cement flour mill

This type cement flour grinding machine relates to the cement grog grinding field, and it is an equipment of accomplishing grinding process with square position mode work done, have occupation of land less, noise is low, save characteristics such as the energy, can substitute the cast flour mill of the title that the power consumption rich and influential family is arranged at present.

This type cement flour grinding machine also is fit to the grinding of other fragility and slurry material.

At present, the cement plant tube mill grinds the yielding poorly of cement, energy consumption is high, and the energy utilization rate of grog grinding is merely a few percent, is that all generally acknowledge in the whole world.Cement production enterprise, the acquisition economic benefit of taping the latent power that on the chamotte powder grinding machine, improves output is a kind of method that is prone to most become effective.Therefore, the primary study of national cement research institute and cement machine factory is all on the equipment of grinding process.

Current, the equipment of main grinding is tube mill, Vertical Mill, roll-in mill and leans on grinding machine etc.The more terminal grinding that is used for of traditional tube mill, it yield poorly, the material time of staying in mill is long, to load high tonnage abrasive media, drives grinding by a large amount of energy consumption of consumption; And with the Vertical Mill of the vertical realization of roll-in, roll-in mill with lean on grinding machine, its energy effective utilization rate is better, but roll squeezer pressure height, complex structure, vibration greatly, maintenance cost is also high; Both all have noise big etc.So the expanding application of these types also has certain limitation.

According to " cement " book introduction in one's early years; France fcb company is on the basis of further investigation material mechanism and existing various milling equipments; Developed the roller flour mill for sleeping in of the low brand new of the energy consumption of compact conformation, roll squeezer of a kind of reliability with ball mill and product quality, three-dimensional mill, this machine Lai Geer mill by name.The roller mill that should crouch is one of present most advanced world grinding process equipment, and it receives the generally attention of whole world cement industry immediately once release, and many producers order goods one after another.But its procurement price is high, and therefore, the production cost of enterprise is difficult to reduce, and it is selected still in limitation.

The design of this type grinding machine is a kind of combination China's national situation, the processing easily of common mechanical factory, compact overall structure, the succinct practical material of economizing, and enterprise is easy to the equipment accepted again.

This type grinding machine is called " fixed star square position breakdown mill " according to small test successful operation principle and structure build.

The operation principle of this type grinding machine is: a kind of square position mill is made up of one group of plain grinding dish that outer cover covers, and the plain grinding dish is that upper millstone rotates, lower millstone is static; Plain grinding dish opposite face up and down is designed with the wear-resisting tooth bar of fan-shaped; The top and bottom of rolling disc, respectively the ring-type ∪ type groove of different size arranged according to machine shape sized; Last ∪ type groove carries be several with the big ball that granite is done, following ∪ type groove is contacted with down on the small ball face of square position ∪ type groove; The tooth bar of last lower millstone, big ball, small ball, ∪ type groove become the work done face that grinds material; Upper millstone is driven by the vertical shaft of centre, and the ∪ type bottom land of upper millstone drives big ball and rotates, and small ball is along with press contacts under the rotation of upper millstone and its deadweight is dragged transhipment moving; When grog separates through the vibration thickness up, on the mill that rotates, form lines charging respectively after collocation; Coarse fodder falls into the feeding mouth in the middle of the grinding machine top, get into up and down in the sector rack crack, with upper millstone and big ball etc. from gravity, when the plain grinding dish rotates, rub with the hands in the ∪ type groove of levigate broken back inflow lower millstone; The small powder then then hole in the middle of above grinding machine gets into the ∪ type groove of big ball; The bottom of big ball in tow when upper millstone ∪ type groove constantly rotates; Grog none nipped by force with escaping through, after the rolling of a plurality of balls, falling in the ∪ type groove of lower millstone once again, powder grinds.

The effect efficiency of this type grinding machine: can a kind of brand-new type, intention property, revolutionary equipment be provided for cement grinding process, can make contributions for building a conservation-minded society.Secondly, promising cement production enterprise frees in the grinding of high energy consumption, creates conditions for enterprise obtains better economic benefit.The 3rd, this type mill equipment stereochemical structure, parts are succinct, manufacture easily, can realize that small investment, cost are low, profitable.This type mill not only has above advantage, and also have take up an area of less, noise is low, of low pollution, maintenance cost are low, helps cooperating closed circuit production etc.

Below in conjunction with accompanying drawing this type grinding machine is further specified.

Accompanying drawing is the sectional structural map of this type grinding machine.

Thick, the thin feed chute (1) of clinker, loam cake (2) is decided ball dish (3), big ball (4); Top rotary table (5), last outer cover (6), pillar (7), fixed star ball (8); Lower millstone (9), well cabinet frame (10), following outer cover (11), powder allocation plate (12); Base (13), power transmission shaft (14), meal outlet (15), sphere is handled source of the gas pipe (16).

The fabrication and installation of this type grinding machine; The technical scheme that is adopted is: plup inlet fit dimension, the general steel plate manufacturing of (separating out with the description of drawings order) clinker coarse grain feed chute (1) and loam cake; Tiltedly the same system of scraper-trough conveyer is done; The centre is sub-material sieve plate (bar), on connect storage warehouse, regulate blanking by vibrator.The common iron plate of loam cake (2) requires to make according to type, is fixed by four pillars, cooperates four post screw rod perforates, middle each pan feeding notch of cooperation and alignment pin perforate.Decide ball dish (3), big ball is uniformly distributed with available steel plate or foundry goods manufacturing processing when being used for operation.Big ball (4) granite manufacturing (also can process the element combination) with abrasion-resistant stee.Upper millstone (5) abrasion-resistant stee foundry goods processing combination.Last outer cover (6) and following outer cover (11) are by common iron plate system.The casting of small ball (8) abrasion-resistant stee.Lower millstone (9) abrasion-resistant stee foundry goods processing combination.Well cabinet frame (10) general steel plate is done.Pulling out powder plate (12) general steel plate makes.Base (13) general steel plate is made.The processing of power transmission shaft (14) tool steel.Meal outlet (15) general steel plate is made.Sphere is handled the common nothing of source of the gas pipe (16) and is met pipe to make.

When grinding machine is installed, pushes down order and carry out.

Accompanying drawing only is the main frame of square position mill, and transfer motion power is a deceleration device that below main frame, is complementary, by motor driven.

To the production of this square position grinding machine, good market prospects are arranged, because carry out the conservation-minded society of greenization, be the state basic policy main flow of our country, this is the only way that national economy develops in a healthy way.Cement production enterprise is with energy-conservation technological transformation, and the low production cost of begging to surrender obtains profit, is the method that is prone to most become effective.In state-owned large, medium and small cement plant more than 6,000 families; Use surplus the big or small cement grinding mill 20,000, these enterprises are except that part enterprise takes advanced production equipment, and most of small enterprise still supports by high energy consumption; They are in the technical equipment transformation of constantly seeking to innovate; If there is this type series grinding machine selective, with old, little cement production enterprise huge burden, that also will update, will be a very bright outlet to those., as long as this type machine is in the production of serial formula, can satisfy each requirement of enterprise and select with low production cost, suitable price, the market of this type grinding machine is that very huge, prospect is very considerable for this reason.

Claims

1. a square position mill is made up of one group of plain grinding dish that outer cover covers, and the plain grinding dish is that upper millstone rotates, lower millstone is static; Plain grinding dish opposite face up and down is designed with the wear-resisting tooth bar of fan-shaped; The top and bottom of rolling disc, respectively the ring-type ∪ type groove of different size arranged according to machine shape sized; Last ∪ type groove carries be several with the big ball that granite is done, following ∪ type groove is contacted with down on the small ball face of square position ∪ type groove; The tooth bar of last lower millstone, big ball, small ball, ∪ type groove become the work done face that grinds material; Upper millstone is driven by the vertical shaft of centre, and the ∪ type bottom land of upper millstone drives big ball and rotates, and small ball is along with press contacts under the rotation of upper millstone and its deadweight is dragged transhipment moving; When grog separates through the vibration thickness up, on the mill that rotates, form lines charging respectively after collocation; Coarse fodder falls into the feeding mouth in the middle of the grinding machine top, get into up and down in the sector rack crack, with upper millstone and big ball etc. from gravity, when the plain grinding dish rotates, rub with the hands in the ∪ type groove of levigate broken back inflow lower millstone; The small powder then then hole in the middle of above grinding machine gets into the ∪ type groove of big ball; The bottom of big ball in tow when upper millstone ∪ type groove constantly rotates; Grog none nipped by force with escaping through, after the rolling of a plurality of balls, falling in the ∪ type groove of lower millstone once again, powder grinds.