CN208390141U - A kind of vertical roller grinder wet type grinding system - Google Patents

Abstract

The utility model belongs to vertical roller grinder wet type grinding field, in particular to a kind of vertical roller grinder wet type grinding system, the vertical roller grinder wet type grinding system includes crude ore bin, belt conveyor, vertical roll grinder, vibrating screen, belt conveyer, the raw ore that the raw ore bin discharge port external is discharged is delivered to the feed inlet of the vertical roll grinder by the belt conveyor, the center of top of the vertical roll grinder is equipped with the feed cone fed for make-up water and raw material, water replanishing device is installed in the vertical roll grinder, the water replanishing device includes at least two water pipes, the water pipe enters the feed cone by the cover top portion of the vertical roll grinder, it is extended downwardly along the blanking conical inner surface, it is equipped with distributive pipe inside feed cone simultaneously, moisturizing is carried out to the grinding roller and mill.The utility model provides the vertical roller grinder wet type grinding system that a kind of grinding energy is low, abrasion are low, comminution is high-efficient.

Description

A kind of vertical roller grinder wet type grinding system

Technical field

The utility model belongs to vertical roller grinder wet type grinding field, in particular to a kind of vertical roller grinder wet type grinding system.

Background technique

In the ore dressing field of mine industry, common circuit grinding is still traditional Three stage crushing with single closed circuit stage and two section one Closed circuit grinding.Wherein ore grinding is as the essential material preparation stage in the entire process flow in dressing plant, due to ball milling energy consumption 60% or so of the total energy consumption in entire dressing plant is accounted for, much broken and lessmill is always the energy-saving direction in metal mine dressing plant.It is vertical The energy-efficient milling equipment of a new generation such as formula roller mill, high-pressure roller mill, bed of material pulverization principle want energy conservation compared to conventional bead mill 30~50%, therefore be used widely and study in mine, cement industry.

The most common comminution process of non-ferrous metal, ferrous metal mine is after Three stage crushing with single closed circuit stage to -12mm, all into Goal (stick) grinding machine is milled to -200 mesh 70% or so through one section or two sections, then sort recycling, and the deficiency of ball (stick) grinding machine Be: 1. ball mill energy consumption is high, handles ore per ton and is averaged 12-18kWh/t；2. abrasion are high, one ton of mean consumption steel ball is handled With 500~1500g of liner plate；3. material is overground serious, it is unfavorable for subsequent sorting operation；

Efficiently grinding apparatus can effectively reduce material size for Vertical Mill, roll squeezer etc., have both the 4th section of ultrafine grinding and one section of mill The function of mine, power consumption is low, abrasion are low, it is small to cross grinding degree, and 3mm may be implemented particularly with certain ores and throw tail in advance, can be significantly Subsequent ball milling operation treating capacity and mill feed size are reduced, and the application of Vertical Mill and roll squeezer in mining industry at present is still super with dry method Based on fine crushing, the problems such as process exploitation degree is lower, be difficult to handle glutinous wet stock, the deficiencies of dry classification energy consumption is high also without To solution.

Therefore, these problems are based on, the vertical roller grinder wet type that a kind of grinding energy is low, abrasion are low, comminution is high-efficient is provided Grinding system has important practical significance.

Utility model content

The utility model be solve well-known technique present in technical problem and provide a kind of grinding energy it is low, abrasion it is low, The high-efficient vertical roller grinder wet type grinding system of comminution.

The utility model is adopted the technical scheme that solve technical problem present in well-known technique:

A kind of vertical roller grinder wet type grinding system, the vertical roller grinder wet type grinding system use above-mentioned vertical roller grinder wet type Grinding method, the vertical roller grinder wet type grinding system include crude ore bin, belt conveyor, vertical roll grinder, vibrating screen, conveying The raw ore that the raw ore bin discharge port external is discharged is delivered to the charging of the vertical roll grinder by belt feeder, the belt conveyor Mouthful, the center of top of the vertical roll grinder is equipped with the feed cone fed for make-up water and raw material, peace in the vertical roll grinder Equipped with water replanishing device, the water replanishing device include at least two water pipes, the water pipe by the vertical roll grinder cover top portion It into the feed cone, is extended downwardly along the blanking conical inner surface, while being equipped with distributive pipe to the grinding roller inside feed cone Moisturizing is carried out with mill, the scum mouth of the vertical roll grinder is directly connect with the vibrating screen by skewed slot, the vibrating screen Coarse grain product outlet connect with belt conveyor by the belt conveyer, the fine particle product of the vibrating screen export connects it is oblique Slot enters subsequent job.

The utility model can also use following technical scheme:

In above-mentioned vertical roller grinder wet type grinding system, further, the vertical roll grinder does not include built-in selecting powder Machine.

In above-mentioned vertical roller grinder wet type grinding system, further, the vertical roll grinder further includes collecting chamber, scrapes Flitch and power device, the power device include motor and speed reducer, and the motor output shaft is connected with speed reducer input shaft, The mill is connected with speed reducer output shaft, and the enclosure space around mill constitutes the collecting chamber, the collecting chamber position Below shell, the material scraping plate is connect with mill, and mill drives material scraping plate rotation, and the inside of the vertical roll grinder is equipped with mill Roller and mill, the grinding roller are at least two cone rollers, and the mill is square position structure, and the mill edge is equipped with collet.

In above-mentioned vertical roller grinder wet type grinding system, further, iron remover is set on the belt conveyor.

In above-mentioned vertical roller grinder wet type grinding system, further, the raw ore bin discharge port external is arranged right below Weighing belt.

In above-mentioned vertical roller grinder wet type grinding system, further, the screen mesh size of the vibrating screen is 3mm.

The utility model has the advantages and positive effects of:

1, the utility model can be effectively reduced material size and meanwhile can directly generating unit be divided into product, alternative one section of ball milling Machine；Process is short, take up little area, noise pollution is small；Compared with traditional wet ball mill, power consumption sinking low 30~50%；Wear away it is low, it is resistance to It grinds resurfacing welding material and handles ore abrasion per ton less than 10g；Grinding can be effectively reduced.

2, the utility model vertical roll grinder does not include built-in powder concentrator, reduces energy consumption, reduces equipment investment.

3, the utility model is equipped with collet, controls thickness of feed layer maximum value, meanwhile, the effect of weighing belt is to accurately control And it is fed into the inventory of vertical roll grinder.

Detailed description of the invention

The technical solution of the utility model is described in further detail below with reference to drawings and examples, still It should be known that these attached drawings are designed for task of explanation, therefore not as the restriction of the scope of the utility model.In addition, Unless otherwise indicated, these attached drawings are meant only to conceptually illustrate structure construction described herein, without to carry out to scale It draws.

Fig. 1 is the process flow chart of the utility model；

Fig. 2 is the structural schematic diagram of the utility model vertical roll grinder.

In figure:

1, crude ore bin；2, weighing belt；3, belt conveyor；4, iron remover；5, vertical roll grinder；6, vibrating screen；7, it conveys Belt feeder；

5-1, shell；5-2, grinding roller；5-3, mill；5-4, collecting chamber；5-5, material scraping plate；5-6, feed cone；5-7, moisturizing Device；5-8, power device.

Specific embodiment

Firstly, it is necessary to which explanation, illustrates the vertical roller grinder wet type of the utility model for by way of example below Specific structure, features and advantages of grinding system etc., however what all descriptions were intended merely to be illustrated, without that should be managed Solution is to the utility model formation any restrictions.In addition, being described by or implying any in each embodiment mentioned by this paper Single technical characteristic, or shown or implicit any single technical characteristic in the drawings, still can be in these technologies spy Continue any combination between sign (or its equivalent) or delete, to obtain this reality that may do not referred to directly herein With novel more other embodiments.In addition, same or like technical characteristic is in same attached drawing for the sake of simplifying drawing In may only be indicated at one.

It will be understood that when component ' attach ' to another component when it is said that, it can be directly connected to another component or There may be intermediate members.On the contrary, when component " being directly connected to " being arrived another component when it is said that, then it represents that middle part is not present Part.

Fig. 1 gives the process flow chart of the utility model, and by the way that Fig. 2 shows the utility model vertical roll grinders Structural schematic diagram, below just illustrate the utility model in conjunction with Fig. 1 to Fig. 2.

For the utility model content, feature and effect that can further appreciate that the utility model, the following examples are hereby given, and It is described in detail with the accompanying drawings as follows:

A kind of vertical roller grinder wet type grinding system, the vertical roller grinder wet type grinding system use above-mentioned vertical roller grinder wet type Grinding method, the vertical roller grinder wet type grinding system include crude ore bin 1, belt conveyor 3, vertical roll grinder 5, vibrating screen 6, The raw ore that 1 discharge port of crude ore bin is discharged is delivered to the vertical roll grinder 5 by belt conveyer 7, the belt conveyor 3 Feed inlet, the center of top of the vertical roll grinder 5 is equipped with the feed cone 5-6 fed for make-up water and raw material, described vertical Water replanishing device 5-7 is installed, the water replanishing device 5-7 includes at least two water pipes, and the water pipe is by described vertical in roller mill 5 Enter the feed cone 5-6 at the top of the shell 5-1 of roller mill 5, is extended downwardly along the feed cone 5-6 inner wall, while in blanking It bores and is equipped with distributive pipe inside 5-6 to the grinding roller 5-2 and mill 5-3 progress moisturizing, the scum mouth of the vertical roll grinder 5 passes through Skewed slot is directly connect with the vibrating screen 6, and the coarse grain product outlet of the vibrating screen 6 passes through the belt conveyer 7 and belt Conveyer 3 is connected, and the fine particle product outlet of the vibrating screen 6 connects skewed slot and enters subsequent job.

The utility model can be effectively reduced material size and meanwhile can directly generating unit be divided into product, alternative one section of ball mill； Process is short, take up little area, noise pollution is small；Compared with traditional wet ball mill, power consumption sinking low 30~50%；Wear away it is low, it is wear-resisting Resurfacing welding material processing ore abrasion per ton are less than 10g；Grinding can be effectively reduced.

For further, it can also consider in the present invention, the vertical roll grinder 5 does not include built-in selecting powder Machine.

The utility model vertical roll grinder 5 does not include built-in powder concentrator, reduces energy consumption, reduces equipment investment.

It should be pointed out that the vertical roll grinder 5 further includes collecting chamber 5-4, material scraping plate 5-5 and power device 5-8, institute Stating power device 5-8 includes motor and speed reducer, and the motor output shaft is connected with speed reducer input shaft, the mill 5-3 with Speed reducer output shaft is connected, and the enclosure space around mill 5-3 constitutes the collecting chamber 5-4, and the collecting chamber 5-4 is located at Below shell 5-1, the material scraping plate 5-5 is connect with mill 5-3, and mill 5-3 drives material scraping plate 5-5 rotation, the vertical roller grinder The inside of machine 5 is equipped with grinding roller 5-2 and mill 5-3, the grinding roller 5-2 are at least two cone rollers, and the mill 5-3 is square position knot Structure, the edge the mill 5-3 are equipped with collet.

Power device 5-8 is driven by motor, by speed reducer band movable grinding disc 5-3 rotate, collecting chamber 5-4 will be crossed by grinding and The slurry overflowed outside mill 5-3 is collected, these slurries are scraped to scum mouth and are discharged by material scraping plate 5-5, is carried out subsequently into vibrating screen 6 Classification.

It should be pointed out that iron remover 4 is arranged on the belt conveyor 3.

It should be pointed out that 1 discharge port of crude ore bin is arranged right below weighing belt 2.

It should be pointed out that the screen mesh size of the vibrating screen 6 is 3mm.

The utility model is equipped with collet, controls thickness of feed layer maximum value, meanwhile, the effect of weighing belt 2 is to accurately control And it is fed into the inventory of vertical roll grinder 5.

Embodiment one:

Crushing raw ore is sent to < 80mm to crude ore bin 1, is sent respectively by weighing belt 2 and belt conveyor 3 to Wet vertical roller The feeding entrance of grinding machine 5；Raw ore and supplement water are fed to the center mill 5-3 from center feed pipe simultaneously and carry out wet lapping, grinding 70~85%, mill 5-3 revolving speed is determined with practical mill 5-3 specification for pulp density control；Ore pulp overflows from the edge mill 5-3 Enter collecting chamber 5-4 out, enters vibrating screen 6 from scum mouth discharge grinding machine by material scraping plate 5-5 and be classified, coarse fraction product circulation Grinding machine regrinding is returned to, fine fraction product enters follow-up separation operation.

Embodiment two:

As an example, in the present embodiment, certain ore is crushed to F through jaw crusher₈₀Wet type Vertical Mill powder is fed for 12mm In the ore storage bin of grinding system, ore is fed inside wet type Vertical Mill by weighing belt 2 and belt conveyor 3, while in mill feeding mouth Locate moisturizing, makes the grinding concentration about 70~85% on mill 5-3, move out by the effect of mill 5-3 centrifugal force to backgauge It is overflowed at circle, the ore pulp fallen is discharged by material scraping plate 5-5 from scum mouth, is flowed into vibrating screen 6 certainly and is classified, in this test Screen mesh size is 3mm, and coarse grain ore is sent by belt conveyor 3 to constituting closed circuit return grinding machine again on belt conveyor 3 on sieve Grinding obtains sieving lower fine particle product.

In conclusion the utility model can provide, a kind of grinding energy is low, the vertical roller grinder low, that comminution is high-efficient of abrasion is wet Formula grinding system.

The utility model is described in detail in above embodiments, but the content is only the preferable reality of the utility model Example is applied, should not be considered as limiting the scope of the present invention.Equalization made according to the scope of application of this utility model Variation and improvement etc., should still belong within the patent covering scope of the utility model.

Claims (6)

1. a kind of vertical roller grinder wet type grinding system, it is characterised in that: the vertical roller grinder wet type grinding system include crude ore bin, The raw ore bin discharge port external is discharged for belt conveyor, vertical roll grinder, vibrating screen, belt conveyer, the belt conveyor Raw ore be delivered to the feed inlet of the vertical roll grinder, the center of top of the vertical roll grinder is equipped with for make-up water and raw material The feed cone fed, the inside of the vertical roll grinder are equipped with grinding roller and mill, and moisturizing dress is equipped in the vertical roll grinder Set, the water replanishing device include at least two water pipes, the water pipe by the vertical roll grinder cover top portion enter it is described under Material cone, extends downwardly along the blanking conical inner surface, while being equipped with distributive pipe inside feed cone and carrying out to the grinding roller and mill The scum mouth of moisturizing, the vertical roll grinder is directly connect with the vibrating screen by skewed slot, the coarse grain product of the vibrating screen Outlet connect with belt conveyor by the belt conveyer, and the fine particle product of the vibrating screen, which exports, connects skewed slot into subsequent Operation.

2. vertical roller grinder wet type grinding system according to claim 1, it is characterised in that: the vertical roll grinder do not include Built-in powder concentrator.

3. vertical roller grinder wet type grinding system according to claim 2, it is characterised in that: the vertical roll grinder further includes Collecting chamber, material scraping plate and power device, the power device include motor and speed reducer, and the motor output shaft and speed reducer are defeated Enter axis to be connected, the mill is connected with speed reducer output shaft, and the enclosure space around mill constitutes the collecting chamber, described Collecting chamber is located at below shell, and the material scraping plate is connect with mill, and mill drives material scraping plate rotation, and the grinding roller is at least two Cone roller, the mill are square position structure, and the mill edge is equipped with collet.

4. vertical roller grinder wet type grinding system according to claim 1, it is characterised in that: be arranged on the belt conveyor Iron remover.

5. vertical roller grinder wet type grinding system according to claim 1, it is characterised in that: the raw ore bin discharge port external is just Lower section is equipped with weighing belt.

6. vertical roller grinder wet type grinding system according to claim 1, it is characterised in that: the screen mesh size of the vibrating screen For 3mm.