CN2568306Y

CN2568306Y - Vortex type high fineness pulverizer

Info

Publication number: CN2568306Y
Application number: CN 02252731
Authority: CN
Inventors: 安绍录
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-09-03
Filing date: 2002-09-03
Publication date: 2003-08-27
Anticipated expiration: 2012-09-03

Abstract

The utility model relates to a vortex type high fineness pulverizer which is composed of a casing, an air entering regulator, a pulverizing mechanism and a classification separator, wherein the air entering regulator, the pulverizing mechanism and the classification separator are arranged in the casing. The vortex type high fineness pulverizer is communicated with a cyclone separator, an air adjusting valve, a high-pressure draught fan and 2 to 4 dust collectors by conveying pipes in turn, and the dust collectors are connected in series. The pulverizer has the advantages that the utility model has multiple functions, can efficaciously pulverize middle and low hardness dry type material, have strong pulverization ability and good separation effect, and can pulverize and separate two working procedures at one time, the pulverization granularity is even, the fineness can reach 100 to 12000 mesh, the purity reaches the departmental standard, the utility model has good dust removing effect, the dust degree reaches the acceptable standard which is required by national environmental protection, and thereby, the utility model can reduce environmental pollution.

Description

The high fineness pulverizer of eddy current type

Technical field

The utility model relates to the high fineness pulverizer of a kind of materials crusher, particularly eddy current type.It is applicable to that low, the middle hardness material in the industries such as chemical industry, food, medicine, tobacco, fuel, coating, rubber, plastics is carried out high fineness to be pulverized.

Background technology

At present, China carries out high fineness micro mist when pulverizing at centering, soft material, once adopts a kind of " winnowing type pulverizer ", it mainly by horizontal grinder by feed pipe successively with thick, pulverized-coal collector, air-introduced machine and deduster are connected and constitute.Because the pulverizing hammer and the casing inner wall gap that are arranged in the horizontal grinder are bigger, and the separation of material smashing fineness is to adjust by the gravitation size of air-introduced machine, product outlet is connected with deduster again, so, the highest of the pulverized fineness of material reaches 300 orders, is difficult to reach the requirement of trickle powder.In addition, if the careless slightly iron tramp of having infiltrated in material will cause the grinder casing to burst apart, make troubles to production.When the strong material of fibroid or the big material of oiliness are pulverized, not only yield poorly, and fill in, can't separate because of sticking, be difficult to carry out ordinary production.This pulverizer is except that the material smashing fineness is low, and also production efficiency is low, and output is few, and noise is big, and dust removing effects is not good enough, can cause severe contamination to environment.

The utility model content

The purpose of this utility model is to provide a kind of eddy current type high fineness pulverizer, it can overcome the deficiency of prior art, can once finish pulverizing that centering, soft material carry out high fineness micro mist effectively and separate two procedures, and, grindability is strong, and grinding particle size is even, and fineness can reach the 100-12000 order, separation, good dedusting effect can improve powder formation rate and product quality and quantity effectively.

Its solution is: vertical eddy current grinder is by casing and the interior air inlet adjustment device that sets gradually from bottom to top thereof, disintegrating mechanism and classification separator and constitute.This grinder has cyclone separator, the adjusting valve of wind stopping device and qualified powder discharge bucket successively by feed pipe through the below, air-introduced machine and 2-4 the deduster that be connected in series connection.

The air inlet adjustment device is distributed with the hole that tapering is arranged at the bottom by air intake plate on it, the top of opposite position punishment cloth has the corresponding cooperation in hole of tapering to constitute a complete air admission hole on this hole and the casing, is placed with Metal Ball in this hole and constitutes.Metal Ball can slide up and down under the effect of wind gravitation, can regulate the size of intake automatically according to the needs of smashing fineness.When shutting down, Metal Ball falls into taper hole, and this adjuster cuts out, thereby can prevent the excessive of return air and micro mist effectively.

The grating disk that has circumferential teeth that disintegrating mechanism is connected by crushing shaft and upper end thereof, be alternate shape and be arranged in impact block on the grating disk end face and many ribs bump post, be sleeved on the ring bush that grating disk is outer and link to each other with casing inner wall again, the interior ring of this lining has annular tooth and constitutes.When grating disk rotates at a high speed, post is relative with ring bush runs up for the impact block of Zhuan Donging and many ribs bumps thereupon, thereby can reach the pulverizing of the high fineness micro mist of material.

The classification separator is by the classification axle that stands upside down, and its lower end is connected with classifying turbine, and the classifying turbine outer cover is equipped with flow splitter and constitutes.Rotation at a high speed under the driving of classifying turbine at buncher makes and produces powerful eddy current in the casing, is supplied with to classifying turbine by flow splitter and assembles, carries and treat separated material, separates thereby can carry out classification effectively.

The utility model is owing to adopt technique scheme, so it can a tractor serves several purposes, in can pulverizing effectively, the dry type material of soft.And its crush force is strong, and good separating effect can once be finished to pulverize and separate two procedures with classification, the production efficiency height, and grinding particle size is even, the powder formation rate height, thus can improve product quality and yield effectively.When materials such as chemical industry, food, medicine, feed, tobacco, dyestuff, pigment, coating, agricultural chemicals, ore, building materials were pulverized, its fineness can reach the 100-12000 order; When heat sensitive materials such as plastics, reclaimed rubber, string, bamboo wood are pulverized, good effect is also arranged, and purity reaches ministry standard.Simultaneously, its good dedusting effect can make the dust degree reach the criterion of acceptability of national requirements for environmental protection, thereby can reduce the pollution to environment effectively.

Description of drawings

Fig. 1 is the structural representation of the high fineness pulverizer of eddy current type.

Fig. 2 is the main cutaway view Amplified image of grinder among Fig. 1.

Fig. 3 is that the K of disintegrating mechanism among Fig. 2 is to zoomed-in view.

Fig. 4 is an A-A profile among Fig. 2.

Fig. 5 be among Fig. 2 N to zoomed-in view.

Fig. 6 is a main cutaway view of going up ring bush among Fig. 2.

Fig. 7 is the vertical view of Fig. 6.

The specific embodiment

Describe the specific embodiment in detail below in conjunction with accompanying drawing.

Among Fig. 1 to Fig. 7, rack-mounted vertical eddy current grinder 1, be communicated with cyclone separator 3 by feed pipe 2, cyclone separator 3 belows are communicated with blanking wind stopping device 4 and the qualified powder discharge bucket 5 that is positioned on the support successively, and the top is communicated with the deduster 8 of adjusting valve 6, high-pressure suction fan 7 and 2 polyphones successively through feed pipe again.Deduster 8 can also 3 or 4 polyphones according to actual needs, thereby can improve dust removing effects effectively, make the finished product classification good.Described deduster 8 is by last

collection powder case

9, and 16 dust settling pockets 10 and next part powder case 11 that its below is communicated with constitute.There is special fine powder discharge bucket 12 below of next part powder case 11.

Vertical eddy current grinder 1 is by the casing 24 that is installed on the frame 16, there is air admission hole 17 its underpart, there is the charging aperture 20 that is communicated with feeder 13 at the middle part, the discharging opening 25 that is communicated with feed pipe 2 is arranged at top, and casing 24 inner chambers are disposed with air inlet adjustment device, disintegrating mechanism and classification separator from bottom to top and constitute.Described air inlet adjustment device is by the air intake plate 33 of fixedlying connected with casing 24, be evenly equipped with 2 on it and arrange the hole 32 that tapering is arranged at bottoms, the top of opposite position punishment cloth has the corresponding cooperation in hole of tapering to constitute a complete air admission hole on this hole and the casing 24, is placed with a steel ball 18 in the air admission hole and constitutes.Described disintegrating mechanism is by the crushing shaft 34 that is connected with power motor 14, it is connected with casing 24 and frame 16 bearings, crushing shaft 34 upper end keys are connected with the grating disk 19 of band circumferential teeth 35, be the end face that the impact block 21 of alternate layout and six ribs bump post 22 is fixed on grating disk 19, be sleeved on the outer and ring bush that be connected with casing 24 inwalls through hold-down screw 23 again of grating disk 19 and constitute.This ring bush is provided with the last ring bush 30 of annular tooth 36 and following ring bush 31 by interior ring and connects and constitute.Described classification separator is by the handstand classification axle 26 that links to each other and be connected with casing 24 top bearings again with buncher 15, its lower end is fixedly connected with classifying turbine 28, is sleeved on classifying turbine 28 taper type flow splitters 29 outside and that fixedly connected with casing 24 by hold-down screw 23 again and constitutes.

During work, material is in feeder 13 is sent into vertical eddy current grinder 1, grating disk 19 is rotation at a high speed under the drive of motor 14, make impact block 21 and six ribs bump post 22 is relative with toothed ring bush and run up, material is pulverized, and the size of regulating intake according to the needs of smashing fineness by the air inlet adjustment device automatically.Meanwhile, classifying turbine 28 rotates under the driving of buncher 15, produces centrifugal force, make and form powerful eddy current in the casing 24, under the effect of flow splitter 29, powder to be separated is assembled and flowed to classifying turbine 28, carry out separating of qualified powder and not qualified powder.Because high-pressure suction fan 7 wind graviational interactions, qualified powder rises and enters cyclone separator 3 through feed pipe 2, carrying out the qualified powder of one-level separates, separated first level flour falls and is discharged by discharge bucket 5, to be packaged, and lighter micro mist rises and to enter the deduster 8 of polyphone through feed pipe, carry out that secondary, three grades of powder separate, dedusting, separated secondary, three grades of powder are discharged through the special fine powder discharge bucket 12 of deduster below, and are to be packaged.And not qualified powder falls, and is continued to pulverize by disintegrating mechanism, and classification separation, dedusting etc. are till reaching the pulverizing requirement.

Claims

1, the high fineness pulverizer of a kind of eddy current type, comprise grinder, it is characterized in that grinder (1) is vertical eddy current grinder, by casing (24) and in the air inlet adjustment device, disintegrating mechanism and the classification separator that set gradually constitute, this grinder is communicated with 2-4 deduster (8) of contacting through cyclone separator (3), adjusting valve (6), air-introduced machine (7) by feed pipe (2).

2, the high fineness pulverizer of eddy current type as claimed in claim 1, it is characterized in that the air inlet adjustment device is by air intake plate (33), be distributed with the bottom on it hole (32) of tapering is arranged, the top that this hole and casing (24) are gone up opposite position punishment cloth has the hole corresponding matching of tapering to constitute a complete air admission hole, is placed with Metal Ball (18) in the air admission hole and constitutes.

3, the high fineness pulverizer of eddy current type as claimed in claim 1, it is characterized in that the grating disk that has circumferential teeth (35) (19) that disintegrating mechanism is connected by crushing shaft (34) and upper end thereof, be alternate impact block (21) and the many ribs bump post (22) that is arranged on grating disk (19) end face, be sleeved on the ring bush that grating disk (19) is outside and link to each other with casing (24) inwall again, ring bush has interior annular tooth (36) and constitutes.

4, the high fineness pulverizer of eddy current type as claimed in claim 1 is characterized in that the classification separator is connected with by classification axle (26), its lower end of standing upside down that classifying turbine (28), classifying turbine (28) are outer to be set with flow splitter (29) and to constitute.