CN206372930U - A kind of pair of spray type supersonic speed flat air flow crusher - Google Patents
A kind of pair of spray type supersonic speed flat air flow crusher Download PDFInfo
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- CN206372930U CN206372930U CN201621190086.XU CN201621190086U CN206372930U CN 206372930 U CN206372930 U CN 206372930U CN 201621190086 U CN201621190086 U CN 201621190086U CN 206372930 U CN206372930 U CN 206372930U
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Abstract
The utility model discloses a kind of pair of spray type supersonic speed flat air flow crusher, it is therefore intended that solves existing flat air flow crusher impact kinetic energy less, crush strength is relatively low, crushes the problem of loss of the hardness in more than 7 grades materials of Mohs is larger.The device includes one-level Venturi tube, charging aperture, one-level delivery nozzle, two grades of Venturi tubes, feeding connecting tube, two grades of delivery nozzles, upper cover plate, lower cover, upper lid liners etc..The utility model can effectively solve above-mentioned most of technical problem, and it has impact kinetic energy big, and crush strength is high, the high advantage of capacity usage ratio.Meanwhile, the utility model uses automatic classification structure, and Granularity Distribution can be controlled in very narrow scope, and simple and compact structure by adjusting parameter.Preferably, the utility model makees liner using super abrasive anti-ballistic materials, impact resistance is improved, and utilize inserted available buffer structure so that liner is changed simpler.
Description
Technical field
The utility model is related to mechanical field, especially field of titanium dioxide production, and specially a kind of pair spray type supersonic speed is flat
Flat airslide disintegrating mill.The utility model is a kind of to be used for the supersonic jet mill for the batch production that titanium dioxide is finally crushed
Equipment, with higher crush efficiency.
Background technology
The operation principle of air-flow crushing is as follows：The compressed air or superheated steam of dry oil free are added by Laval nozzle
Rapid-result supersonic airstream, the high-speed jet of ejection drives material to do high-speed motion, particle mutually collided, rubbed, and is crushed；
Pulverized material reaches graded region with air-flow, reaches that the material of fineness requirement is finally collected by trap, is not reaching to requirement
Material return again to pulverizing chamber and continue to crush, until reach required fineness, and untill being captured.
At present, the airslide disintegrating mill industrially applied mainly includes following several types：It is flat（Also known as centrifugal disc
Formula）Airslide disintegrating mill, circulation pipe air flow crasher, target formula airslide disintegrating mill, fluidisation state are to spray formula airslide disintegrating mill.
Wherein, flat air flow crusher is determined with pulverizing chamber internal diameter size, and the specification of sizing is from Φ 50mm to Φ
1066mm；Compressed air consumption is from 0.5m3/ min to 100m3/min；Superheated steam consumption is from 120kg/h to 8000kg/h；Accordingly
Production capacity from 0.2kg/h to 4000kg/h；Product granularity is from 325 μm to 0.2 μm.Flat air flow crusher has as follows
Advantage：1）Because it has from grading function, Granularity Distribution can be controlled in very narrow scope by adjusting parameter；2）Nothing
Mechanical component is few to contamination of products；3）Can be to crush working medium with superheated steam, energy consumption is compared with compressed air reduction by 1/3；4）
And good product mobility, surface cleanness are high, using good dispersion.However, existing flat air flow crusher there is also
Following shortcoming：1）Less, crush strength is relatively low for impact kinetic energy；2）Hardness is crushed in the material of more than 7 grades of Mohs, in pulverizing chamber
The abrasion of wall is larger, and the material requirements to crushing chamber interior walls is very high.
The grinding particle size of circulation pipe air flow crasher is up to 3 μm~0.2 μm, and yield reaches 100kg/h~3000kg/h, its
With from grading function, mechanical rotating part, and structure is relatively easy.However, its crush efficiency be in all kinds of airflow millings most
Low, energy consumption is maximum, and air-flow and material are to the washing away of inwall, serious wear, easy contaminated material；Size distribution is wide, mainly
Applied to fragility, soft material.
The grinding particle size of target formula airslide disintegrating mill is up to 2~0.2 μm, and yield is from 1kg/h to 500kg/h, and it, which has, crushes
Power is big, simple in construction.Then, its target plate and mixing tube easily wear and tear, and have certain pollution to material；Granularity Distribution is very
Width, power consumption is larger, using also restrained；It is primarily adapted for use in high molecular polymer, low-melting heat sensitive material, threadiness
Material and other polymer.
Fluidisation state is the new product developed on the basis of to spray formula airflow milling to spray formula airslide disintegrating mill, and it is the nineties
State-of-the art research of super-pine crush equipment, is mainly used in the various materials of fragility, toughness, high rigidity.It is using a pair or some to spray
The supersonic airstream that mouth is produced when spraying relatively, makes material mutually be impacted and be collided and powder from two or more directions each other
It is broken.The product granularity prepared using fluidisation state to spray formula airslide disintegrating mill up to 200 μm to submicron order, yield from 10kg/h to
5000kg/h.It is directly clashed by material high-speed, and impact strength is big, and capacity usage ratio is high, overcomes target formula and circulating tube type
Mill body weakness easy to wear, reduces the pollution of product, extends service life of equipment.And fluidisation state is to spray formula airslide disintegrating mill
Have the advantages that compact conformation, noise be small, operation automation.However, fluidisation state is bulky to spray formula airslide disintegrating mill, structure
Complex, cost and overall energy consumption are high, and utilization rate is relatively low, still there is wear phenomenon.Meanwhile, it uses turbine to be classified, and rotating speed is high,
Using superheated steam to crush during working medium, it is difficult to realize, partition size also more flat width.
20th century titanium dioxide industry one of impressive progress, be exactly the final crushing from airslide disintegrating mill as finished product.
Required according to the crushing of titanium dioxide（Narrow particle size distribution, be mingled with increase less, good dispersion etc.）, and titanium dioxide material viscosity height,
The characteristics such as the easy attached wall of poor fluidity, fine size, current Producing Titanium Dioxide producer both at home and abroad, which selects, to be had from the flat of grading function
Flat airslide disintegrating mill as titanium dioxide final disintegrating apparatus；And using superheated steam to crush working medium, under high-temperature situation
Crush, the application dispersiveness of titanium dioxide can be improved, increase the mobility of titanium dioxide.And the energy consumption of flat air flow crusher is low,
Only press the 1/3~2/3 of sky.In addition, using spiral jet pulverizer（That is flat air flow crusher）, can crush while,
Organic additive is added, surface organic modification is carried out to titanium dioxide, to increase dispersiveness of the titanium dioxide in different application system.
The most important equipment crushed as steam flow, the quality of steam powder machine directly determines the quality of product, usually requires that vapour powder
Machine is reasonable in design, perfect in workmanship, impact kinetic energy is big, grading effect is good, wear-resistant, high temperature resistant.
Therefore, urgent a kind of gas powder machine that can be solved the above problems, to solve the above problems.
Utility model content
Goal of the invention of the present utility model is：For existing flat air flow crusher impact kinetic energy less, crush
Intensity is relatively low, and loss of the crushing hardness in more than 7 grades materials of Mohs is larger, and the energy consumption mistake of circulation pipe air flow crasher
Greatly, air-flow and material are to the washing away of inwall, serious wear, and easy contaminated material, size distribution is wide, and target formula airslide disintegrating mill
Target plate and mixing tube easily wear and tear, and have certain pollution to material, and Granularity Distribution is very wide, and power consumption is larger, using by
Limit, and fluidize state to the bulky of spray formula airslide disintegrating mill, structure is complex, and cost is high, overall energy consumption high usage compared with
Low, there is provided a kind of pair of spray type supersonic speed flat air flow crusher for the problem of partition size is also more flat wide.The utility model
Above-mentioned most of technical problem can be effectively solved, it has impact kinetic energy big, crush strength is high, the high advantage of capacity usage ratio.
Meanwhile, the utility model uses automatic classification structure, and Granularity Distribution can be controlled in very narrow scope by adjusting parameter, and
Simple and compact structure.Preferably, the utility model makees liner using super abrasive anti-ballistic materials, shock resistance energy is improved
Power, and utilize inserted available buffer structure so that liner is changed simpler.
To achieve these goals, the utility model is adopted the following technical scheme that：
A kind of pair of spray type supersonic speed flat air flow crusher, including one-level Venturi tube, charging aperture, one-level feeding spray
Mouth, two grades of Venturi tubes, feeding connecting tube, two grades of delivery nozzles, upper cover plate, the lower cover being engaged with upper cover plate, in upper lid
Lining, L-type lower cover liner, the discharging opening being connected with upper lid lining activities；
The one-level Venturi tube is connected with charging aperture, one-level delivery nozzle respectively, the one-level Venturi tube and charging
Mouth, one-level delivery nozzle constitute one-level feed device；
Two grades of Venturi tubes are connected with feeding connecting tube, two grades of delivery nozzles respectively, the feeding connecting tube, two grades
Venturi tube, two grades of delivery nozzles constitute two grades of feed devices；
The one-level feed device is connected with feeding connecting tube, and target plate and the literary mound of one-level are provided with the feeding connecting tube
In material in pipe crushed through target plate after entered by feeding connecting tube in two grades of Venturi tubes；
The upper cover plate is connected to constitute with lower cover crushes main body, and the upper lid liner, L-type lower cover liner are separately positioned on
Crush in main body, constituted between the upper lid liner and L-type lower cover liner and crush chamber, two grades of Venturi tubes and crushing chamber
Room is connected and the material in two grades of Venturi tubes can carry out separating twice into crushing in chamber, and the discharging opening is arranged on lid
Material on plate and after separating twice can be exported through discharging opening.
The axial direction and the axial direction of one-level Venturi tube of the feeding connecting tube are perpendicular.
The axial direction of the feeding connecting tube respectively with one-level Venturi tube, two grades of Venturi tubes it is axially vertical.
The axial direction of plane where the target plate and one-level Venturi tube is in 30 ~ 60 ° of angles.
The axial direction of plane where the target plate and one-level Venturi tube is in 45 ° of angles.
The upper lid liner, L-type lower cover liner are respectively adopted high-abrasive material and are prepared from.
Al is respectively adopted in the upper lid liner, L-type lower cover liner2O3, SiC or Pu materials are prepared from.
The upper lid liner is connected with L-type lower cover lining activities.
Be connected between the upper lid liner and upper cover plate by screw rod or bolt, the L-type lower cover liner and lower cover it
Between be connected by screw rod or bolt.
The one-level delivery nozzle includes air inlet pipe, the aditus laryngis that is connected with air inlet pipe, two grades of delivery nozzles include into
Tracheae, the aditus laryngis being connected with air inlet pipe.
The upper lid liner, L-type lower cover liner are combined by some pieces of wear resistant and impact resistant pieces respectively.
Modifying agent inlet is provided with two grades of feed devices.
Lining is provided with lining in upper annular projection, the L-type lower cover and is provided with and the raised phase of upper annular in the upper lid
The lower annular projection coordinated.
The upper annular is raised, lower annular projection is respectively in annular shape.
The upper annular is raised, form restricted area between lower annular projection and liner inwall.
For foregoing problems, Kechuang garden Hao Tai Science and Technology Ltd.s in applicant Mianyang have developed of the present utility model double
Spray type supersonic speed flat air flow crusher.The utility model has very big improvement compared with traditional flat steam powder machine
And improve, the machine takes full advantage of whole energy of superheated steam, and material is in same equipment, by crushing and classification twice,
Make that the granularity of product is thinner, size distribution is narrower, better quality.Meanwhile, upper lid liner of the invention, L-type lower cover liner difference
Using the special mosaic texture of ultra-hard abrasive material, the service life and crushing effect of steam powder machine are substantially increased.
In the development process of early stage, it is found by the applicant that.Existing airslide disintegrating mill employs Venturi nozzle charging, makes
Material is injected directly into crushing chamber；Use Laval nozzle（Jet pipe）Supersonic speed is reached to crushing steam progress acceleration；Crush
Chamber employs wear-resisting steel or build-up wear-resistant material, and highest Mohs' hardness can reach 7 grades, weares and teares and compares in crushing process
It hurry up, certain pollution also brought to product；Discharging is using automatic classification and turbine classification two ways.But turbine classification is using electricity
The realization that runs at high speed of machine, service life and stationarity that motor runs at high speed are the keys normally used.
Flat air flow crusher uses 12~30 Laval nozzles（Jet pipe）Crushing steam progress acceleration is reached super
Velocity of sound；Target formula airslide disintegrating mill uses 1 Laval nozzle（Jet pipe）Supersonic speed is reached to crushing steam progress acceleration；Fluidize state
2 or multipair Laval nozzle are used to spray formula airslide disintegrating mill（Jet pipe）It is symmetrical to crush steam carry out acceleration reach it is super
Velocity of sound.
And in the utility model, the airslide disintegrating mill include one-level Venturi tube, charging aperture, one-level delivery nozzle, two grades
Venturi tube, feeding connecting tube, two grades of delivery nozzles, upper cover plate, the lower cover being engaged with upper cover plate, upper lid liner, with it is upper
L-type lower cover liner, the discharging opening of lid lining activities connection.Wherein, one-level Venturi tube respectively with charging aperture, one-level delivery nozzle
It is connected, one-level Venturi tube constitutes one-level feed device with charging aperture, one-level delivery nozzle；Two grades of Venturi tubes respectively with feeding
Connecting tube, two grades of delivery nozzles are connected, and feeding connecting tube, two grades of Venturi tubes, two grades of delivery nozzles constitute two grades of feed devices.
Meanwhile, one-level feed device is connected with feeding connecting tube, and the thing in target plate and one-level Venturi tube is provided with feeding connecting tube
Material is entered in two grades of Venturi tubes after being crushed through target plate by feeding connecting tube.
Meanwhile, upper cover plate is connected to constitute with lower cover crushes main body, and upper lid liner, L-type lower cover liner are separately positioned on powder
Constituted in broken main body, between upper lid liner and L-type lower cover liner and crush chamber, two grades of Venturi tubes are connected and two with crushing chamber
Material in level Venturi tube, which can enter to crush in chamber, carries out separating twice, and discharging opening is arranged on upper cover plate and separating twice
Material afterwards can be exported through discharging opening.Embedded with wear-resistant is formed using which, between upper lid liner and L-type lower cover liner to crush
Chamber.
In the utility model, using one-level delivery nozzle（One-level feeding steam jet, i.e. Lavalle is used to spray in embodiment
Pipe）, one-level Venturi tube material is accelerated to be sent to target plate and once crushed, and steering falls into feeding connecting tube, by two grades
Delivery nozzle（Laval nozzle）, material again speeds up to supersonic speed, and is sent to embedded with wear-resistant powder by two grades of Venturi tubes
Broken chamber, material high-speed directly clashes, and impact strength is big, and capacity usage ratio is high.The utility model effectively overcomes target formula and circulation
Tubular type mill body weakness easy to wear, reduces the pollution of product, extends service life；Meanwhile, the utility model discharging is used
Automatic classification structure, Granularity Distribution can be controlled in very narrow scope by adjusting parameter；And the utility model turns without machinery
Dynamic component is few to contamination of products；The utility model is to crush working medium with superheated steam, and energy consumption is compared with compressed air reduction by 1/3.Through reality
Verify that good product mobility, the surface cleanness prepared using the utility model is high, using good dispersion in border.
The utility model has continued to use flat air flow crusher automatic classification structure, without mechanical transmission component, simple in construction
The features such as, retain the impact deflecting efficiency that target formula airslide disintegrating mill utilizes target plate, use for reference fluidisation state in spray formula airslide disintegrating mill
Laval nozzle（Jet pipe）Ultrasonic advantage is reached to crushing steam progress acceleration；It is changed to I and II nozzle and Venturi tube
Structure, improves impact kinetic energy, and reduces energy consumption, using the inserted available buffer wear-resistant liner structure of super abrasive shock resistance, carries
The high service life of airslide disintegrating mill, allows maintenance to become more simple and convenient, only needs more changeable liner.
The axial direction of feeding connecting tube and the axial direction of one-level Venturi tube are perpendicular, preferably, the axial direction of feeding connecting tube
Respectively with one-level Venturi tube, two grades of Venturi tubes it is axially vertical.Further, plane where target plate and one-level Venturi tube
Axially in 30 ~ 60 ° of angles, preferably 45 ° angles.
Upper lid liner, L-type lower cover liner are respectively adopted high-abrasive material and are prepared from, preferably, Al can be respectively adopted2O3、
SiC or Pu materials are prepared from.In the utility model, crushing chamber liner uses super abrasive impact-resistant abrasion-proof material, with inlaying
Available buffer structure, the problem of effectively overcoming high-abrasive material easy fragmentation, makes its service life be protected.
In summary, by adopting the above-described technical solution, the utility model uses conduit automatic classification, steamed using overheat
When vapour is crushing working medium, it is easy to realize.Through practical application, the product fineness prepared using the utility model be up to d90=0.3 ~
10 μm, narrow particle size distribution and without bulky grain；Mill efficiency is high, and energy consumption is low, than other type airflow millings energy-conservation 30%；This practicality is new
Type uses Al2O3, SiC or Pu（Plutonium）Make vulnerable part, abrasion are low, and product is contaminated few, the powder production of no irony pollution can be processed
The material of 9 grades of product and Mohs, is particularly suitable for use in the production of Titanium Dioxide Produced by Chloride Procedure.The utility model simple and compact structure, noise
Small, advantage of lower cost can be used in the production and processing of titanium dioxide, with preferable effect, be worth large-scale promotion and application.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the partial schematic diagram of fan-shaped upper lid liner in Fig. 1.
Fig. 3 is Fig. 2 side view.
Fig. 4 is the partial schematic diagram of fan-shaped L-type lower cover liner in Fig. 1.
Fig. 5 is Fig. 4 side view.
Marked in figure：1st, one-level Venturi tube, 2, charging aperture, 3, one-level delivery nozzle, 4, two grades of Venturi tubes, 5, feeding
Connecting tube, 6, two grades of delivery nozzles, 7, upper cover plate, 8, lower cover, 9, upper lid liner, 10, L-type lower cover liner, 11, discharging opening,
20th, target plate, 21, aditus laryngis, 22, modifying agent inlet.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
Embodiment 1
As illustrated, the airslide disintegrating mill of the present embodiment, including one-level Venturi tube 1, charging aperture 2, one-level delivery nozzle
3rd, two grades of Venturi tubes 4, feeding connecting tube 5, two grades of delivery nozzles 6, upper cover plate 7, the lower cover 8 being engaged with upper cover plate 7, on
Lid liner 9, L-type lower cover liner 10, the discharging opening 11 being flexibly connected with upper lid liner 9.
Wherein, upper cover plate 7 is connected to constitute with lower cover 8 crushes main body, and upper lid liner 9, L-type lower cover liner 10 are set respectively
Crushing in main body, constituted between upper lid liner 9 and L-type lower cover liner 10 and crush chamber.Two grades of Venturi tubes 4 are with crushing chamber
It is connected and the material in two grades of Venturi tubes 4 can carries out separating twice into crushing in chamber, discharging opening 11 is arranged on upper cover plate 7
Material after upper and separating twice can be exported through discharging opening 11.
One-level Venturi tube 1 is connected with charging aperture 2, one-level delivery nozzle 3 respectively, one-level Venturi tube 1 and charging aperture 2,
One-level delivery nozzle 3 constitutes one-level feed device；Two grades of Venturi tubes 4 respectively with feeding connecting tube 5, two grades of phases of delivery nozzle 6
Even, feeding connecting tube 5, two grades of Venturi tubes 4, two grades of delivery nozzles 6 constitute two grades of feed devices.One-level feed device and feeding
Connecting tube 5 is connected, and is provided with after the material in target plate 20 and one-level Venturi tube 1 is crushed through target plate 20 and leads in feeding connecting tube 5
Feeding connecting tube 5 is crossed to enter in two grades of Venturi tubes 4.In the present embodiment, modifying agent inlet is provided with two grades of feed devices
22, modifying agent can be added thereto by modifying agent inlet 22, to be modified to titanium dioxide.
In the present embodiment, it is connected between upper lid liner 9 and upper cover plate 7 by screw rod or bolt, L-type lower cover liner 10 is with
It is connected between cover plate 8 by screw rod or bolt；The axial direction of feeding connecting tube 5 respectively with one-level Venturi tube 1, two grades of Venturi tubes
4 it is axially vertical, the axial direction of the place plane of target plate 20 and one-level Venturi tube 1 is in 45 ° of angles.
In the present embodiment, upper lid liner 9, L-type lower cover liner 10 are respectively adopted high-abrasive material and are prepared from, and high-abrasive material can
Think Al2O3, one or more in SiC or Pu materials.Further, upper lid liner 9, L-type lower cover liner 10 are respectively by some pieces
Wear resistant and impact resistant piece is combined, and every piece of shock resistance piece is in sector.Using the structure, upper lid liner 9, L-type lower cover liner 10 it
Between form embedded structure, and be easily changed, advantageously reduce cost of equipment maintenance.
Further, upper annular is provided with upper lid liner 9 raised, is provided with L-type lower cover liner 10 raised with upper annular
The lower annular projection being engaged, upper annular is raised, lower annular projection is respectively in annular shape.Using the structure, upper annular is raised, under
Restricted area is formed between annular projection and liner inwall.In the utility model, by using upper annular is raised, lower ring-type is convex
Rise, so as to form restricted area, its operationally, thinner powder is by the way that upper annular is raised, the region between lower annular projection
Flow through, and larger particle is then limited in restricted area so that larger particle constantly rubs in less restricted area
Wipe, crush, and then improve the effect crushed, and ensure the classification of powder.
The course of work of the present utility model is as follows：The powder materials such as the titanium dioxide pigment after expansion drying are transported to this practicality
Novel feeding hole 2, passes through two-stage superheated steam delivery nozzles（Also known as Laval nozzle）Flow through venturi spurts into crushing chamber
It is interior；High temperature, the superheated steam of high pressure carry powder material and are injected into by double-stage nozzle in crushing chamber room（Steam and titanium white
Grain mixing, and with a high speed（200-300m/s）Into the crushing chamber of steam powder machine）, a whirlpool is produced crushing chamber interior
（Because injection steam can produce eddy flow in chamber is crushed, so steam is sent to crushing chamber by nozzle with tangent direction in the same direction
Room）, the powder such as titanium dioxide pigment is constantly broken inside whirlpool, obtains depolymerization and scattered（Collision and particle between particle
Collision between wear-resisting cavity wall causes aggregate to disperse）.In the process, material first passes through target plate 20 and crushed, then passes through vapour
Powder chamber reaches that second patent flour is broken, final to meet broken, depolymerization and scattered requirement.Meanwhile, can be from modifying agent in crushing process
Inlet 22 adds organic coated dose, and organic coated processing is carried out to pigment particle surface.Product after crushing is made in tiny structure
Under, most qualified material is integrally discharged from the discharging opening 11 on the top of upper cover plate 7 with mixed gas（Inject caused by steam
Eddy flow and the steam of wear-resisting intracavitary can produce centrifugal force, and bulky grain just rotates in cavity wall, and little particle is as steam is towards in chamber
The heart is gathered）, go cloth storage to carry out gas solid separation and collect, remaining is not up to qualified material under the action of the centrifugal force, still in air-flow
Crushed in crusher cavity, depolymerize it is scattered.In the present embodiment, adjusted by the classifier pipe of the upper outlet of upper cover plate 7
Product granularity and size distribution after whole crushing.
In the present embodiment, upper lid liner 9, L-type lower cover liner 10 are respectively eight pieces of appearance and size identical super abrasive shock resistances
Piece is constituted, and inlays the be bolted together complete upper lid liner 9 of composition, L-type lower cover liner 10.In the present embodiment, upper lid liner 9, L
The liner that type lower cover liner 10 is constituted is made using super abrasive, anti-ballistic materials, and more than 9 grades of Mohs' hardness inlays available buffer formula
Structure design, liner must not have the defects such as stomata, slag inclusion, breach, crack, and liner is smooth, smooth, no slag and splash.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of pair of spray type supersonic speed flat air flow crusher, it is characterised in that including one-level Venturi tube (1), charging aperture
(2), one-level delivery nozzle (3), two grades of Venturi tubes (4), feeding connecting tube (5), two grades of delivery nozzles (6), upper cover plate (7),
Lower cover (8), upper lid liner (9), the L-type lower cover liner being flexibly connected with upper lid liner (9) being engaged with upper cover plate (7)
(10), discharging opening (11)；
The one-level Venturi tube (1) is connected with charging aperture (2), one-level delivery nozzle (3) respectively, the one-level Venturi tube
(1) one-level feed device is constituted with charging aperture (2), one-level delivery nozzle (3)；
Two grades of Venturi tubes (4) are connected with feeding connecting tube (5), two grades of delivery nozzles (6) respectively, the feeding connecting tube
(5), two grades of Venturi tubes (4), two grades of delivery nozzles (6) constitute two grades of feed devices；
The one-level feed device is connected with feeding connecting tube (5), and target plate (20) and one are provided with the feeding connecting tube (5)
Material in level Venturi tube (1) is entered in two grades of Venturi tubes (4) after being crushed through target plate (20) by feeding connecting tube (5)；
The upper cover plate (7) is connected to constitute with lower cover (8) crushes main body, the upper lid liner (9), L-type lower cover liner (10)
It is separately positioned in crushing main body, is constituted between the upper lid liner (9) and L-type lower cover liner (10) and crush chamber, described two
Level Venturi tube (4) is connected with crushing chamber and material in two grades of Venturi tubes (4) can be secondary into carrying out in crushing chamber
Crush, the material that the discharging opening (11) is arranged on upper cover plate (7) and after separating twice can be exported through discharging opening (11).
2. double spray type supersonic speed flat air flow crushers according to claim 1, it is characterised in that the feeding connecting tube
(5) axial direction respectively with one-level Venturi tube (1), two grades of Venturi tubes (4) it is axially vertical.
3. double spray type supersonic speed flat air flow crushers according to claim 1, it is characterised in that target plate (20) institute
In the axial direction of plane and one-level Venturi tube (1) in 30 ~ 60 ° of angles.
4. double spray type supersonic speed flat air flow crushers according to claim 3, it is characterised in that target plate (20) institute
In the axial direction of plane and one-level Venturi tube (1) in 45 ° of angles.
5. double spray type supersonic speed flat air flow crushers according to claim 1, it is characterised in that the upper lid liner
(9), Al is respectively adopted in L-type lower cover liner (10)2O3, SiC or Pu materials are prepared from.
6. double spray type supersonic speed flat air flow crushers according to claim 1, it is characterised in that the upper lid liner
(9) it is connected between upper cover plate (7) by screw rod or bolt, spiral shell is passed through between the L-type lower cover liner (10) and lower cover (8)
Bar or bolt are connected.
7. double spray type supersonic speed flat air flow crushers according to claim 1, it is characterised in that the upper lid liner
(9), L-type lower cover liner (10) is combined by some pieces of wear resistant and impact resistant pieces respectively.
8. double spray type supersonic speed flat air flow crushers according to claim 1, it is characterised in that two grades of feedings dress
Put and be provided with modifying agent inlet (22).
9. according to any one of claim 1 ~ 8 described pair of spray type supersonic speed flat air flow crusher, it is characterised in that on described
Upper annular is provided with lid liner (9) raised, is provided with and is engaged down with upper annular projection on the L-type lower cover liner (10)
Annular projection.
10. double spray type supersonic speed flat air flow crushers according to claim 9, it is characterised in that the upper annular is convex
Rise, lower annular projection is in annular shape respectively.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111330713A (en) * | 2020-03-18 | 2020-06-26 | 上海赛山粉体机械制造有限公司 | Jet mill main machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111330713A (en) * | 2020-03-18 | 2020-06-26 | 上海赛山粉体机械制造有限公司 | Jet mill main machine |
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