CN102716784A - Roller plate type medium-speed coal mill - Google Patents

Abstract

The invention provides a roller plate type medium-speed coal mill and relates to the technical field of a coal mill. The roller plate type medium-speed coal mill is composed of a motor, a reduction box, a mill plate, a mill roller, a pressure device, a shell, a separator, a coal chute, an outlet pipe, a hot air inlet pipe, a hot air annular chamber and a foundation block. The roller plate type medium-speed coal mill is characterized by further comprising a mould roller turning-out device. The foundation block is made of a rigid material. The foundation block of the roller plate type medium-speed coal mill is light in weight; an elastic foundation is replaced by a rigid foundation; the investment of capital construction is reduced; the overhaul workload is greatly reduced by using the mould roller turning-out device; the overhaul strength is small; and the overhaul time is short.

Description

Disc roll pulverizer

Technical field:

The present invention relates to the coal pulverizer technical field, be specifically related to a kind of disc roll pulverizer.

Background technology:

MPS type medium-speed pulverizer is a kind of disc roll pulverizer that is manufactured and designed by German Babcock company.MPS type vertical roll grinder is original to be the advanced type that building stones grind that is used for of German Pfeiffer company development, after German Babcock company patent of introduction technology, MPS type vertical roll grinder is applied to the coal dust preparation system of coal-fired station.This coal-grinding type is since 1958 come out, and progressively perfect through the technology of the said firm, specification series constantly increases, and has formed the more complete series of 27 kinds of specifications at present, has become the desirable powder manufacturing apparatuses of industry such as power station, metallurgy, chemical industry, cement building material at present.The MPS type coal pulverizer that is now moving in the world is near 4000, and operation result shows that this type is better than the coal pulverizer of other form.But all be to use elastomeric material to make on the basis of existing disc roll pulverizer, basic blocks weight is big, and capital expenditure is big, and existing disc roll pulverizer is very inconvenient in the maintenance of day norm roller, and the repair time is long, and labour intensity is big.

Summary of the invention:

It is a kind of in light weight that technical problem to be solved by this invention is to provide, and capital expenditure is few, the disc roll pulverizer of easy access and maintenance.

Technical scheme below technical problem to be solved by this invention adopts realizes:

Disc roll pulverizer; Form by motor, reductor, mill, grinding roller, pressue device, shell, separator, coal spout, outlet, hot blast inlet tube, hot blast doughnut and basic blocks; It is characterized in that: described medium-speed pulverizer comprises that also the mould roller routs up device, and described basic blocks is a rigid material.

Be mounted with the warm-air pipe that hot blast inlet tube and hot blast doughnut are drawn between the top of described mill and each grinding roller, the top of described warm-air pipe is provided with to blow raises device.

The bottom of described separator and coal spout is equiped with back the separator again that powder is sent out plate, triangle eddy flow plate, zigzag annular plate, annular plate composition.

Top annulus between shell and separator is equiped with the axial adjustment baffle plate.

The invention has the beneficial effects as follows: basic blocks of the present invention is in light weight, and capital expenditure has been reduced on rigid foundation elasticity of substitution basis, and the mould roller is routed up device, and the use and maintenance workload reduces greatly, and maintenance intensity is little, and the repair time is short.

Description of drawings:

Fig. 1 is master's TV structure sketch map of the present invention.

The specific embodiment:

For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with concrete diagram, further set forth the present invention.

As shown in Figure 1; Disc roll pulverizer; Form bymotor 1,reductor 2,mill 3, grinding roller 4,pressue device 5,shell 6,separator 7,coal spout 8, outlet 9, hotblast inlet tube 10,hot blast doughnut 11 andbasic blocks 12; Medium-speed pulverizer comprises that also the mould roller routs updevice 13, andbasic blocks 12 is a rigid material.Be mounted with the warm-air pipe 14 that hotblast inlet tube 13 and hot blast doughnut are drawn between the top ofmill 3 and each grinding roller 4, the top of warm-air pipe 13 is provided with to blow raises device 15.The bottom ofseparator 7 andcoal spout 8 is equiped with back the separator again that powder is sent outplate 16, triangle eddy flow plate 17, zigzagannular plate 18,annular plate 19 compositions.Top annulus betweenshell 6 and theseparator 7 is equiped with axialadjustment baffle plate 20.

More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.

Claims (4)

1. disc roll pulverizer; Form by motor, reductor, mill, grinding roller, pressue device, shell, separator, coal spout, outlet, hot blast inlet tube, hot blast doughnut and basic blocks; It is characterized in that: described medium-speed pulverizer comprises that also the mould roller routs up device, and described basic blocks is a rigid material.

2. disc roll pulverizer according to claim 1 is characterized in that: be mounted with the warm-air pipe that hot blast inlet tube and hot blast doughnut are drawn between the top of described mill and each grinding roller, the top of described warm-air pipe is provided with to blow raises device.

3. disc roll pulverizer according to claim 1 is characterized in that: the bottom of described separator and coal spout is equiped with back the separator again that powder is sent out plate, triangle eddy flow plate, zigzag annular plate, annular plate composition.

4. disc roll pulverizer according to claim 1 is characterized in that: the top annulus between shell and separator is equiped with the axial adjustment baffle plate.

Images