CN101607223B - Ultra-fine powder processing device - Google Patents
Ultra-fine powder processing device Download PDFInfo
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- CN101607223B CN101607223B CN2009100408325A CN200910040832A CN101607223B CN 101607223 B CN101607223 B CN 101607223B CN 2009100408325 A CN2009100408325 A CN 2009100408325A CN 200910040832 A CN200910040832 A CN 200910040832A CN 101607223 B CN101607223 B CN 101607223B
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Abstract
The invention discloses an ultra-fine powder processing device which comprises an air flow crushing mechanism, a turbine grading mechanism, a screw feeder, an automatic sack packer, an automatic controller, a bag type dust collector, an integrated platform, an induced draft fan and a gas path controller, wherein the air flow crushing mechanism connected with the turbine grading mechanism is located below the turbine grading mechanism, the feed port of the screw feeder is connected with a feed taper pipe in the air flow crushing mechanism, the bag type dust collector is connected with the turbine grading mechanism through a pipeline, the automatic sack packer is located below the bag type dust collector and the induced draft fan is connected with the bag type dust collector. The ultra-fine powder processing device can process materials in a fully-closed condition without producing dust. The ultra-fine powder processing device uses a PLC control system to intelligentize the production process and adjusts the parameters of crushing, grading and other devices according to the factory production requirements so as to meet the crushing requirements of different raw materials. The processing device is built on a stand, and the position of the processing device can be adjusted according to the factory production requirement.
Description
Technical field
The present invention relates to powder preparation and manufacture field, particularly a kind of ultra-fine powder processing device and method thereof.
Background technology
It is to utilize high pressure draught by the huge kinetic energy that high velocity air bred that nozzle produces that air-flow is pulverized, and makes object particle that mutual impact take place or reaches the purpose of pulverizing with the impact of fixed object.The Rumpf professor of Germany Karlsruhe university is in eighties of last century five, the sixties prepare powder with regard to Mechanical Method fundamental research work has played very big facilitation to the development and the application of air-flow crushing technology, seven, the eighties, at problems such as fineness in the powder processing and purity, beautiful, day, the research of states such as Europe has also been developed fluid bed to spray formula airflow milling, this grinding machine provides strong powder super-fine processing means for many commercial Application department, in modern processing industry, occupy an important position, solved ultra-fine preferably, ultrapure, the powder processing problems of superhard material.In performance the occasion of extreme requirement is arranged, have the status of not replacing powder.
Ultra-fine powder processing device is that a kind of flexible manufacturing becomes mode.It is based upon on the group technology basis, utilizes computer production technology, production process and organic the joining together of production equipment, becomes an independent entity.The eighties, Germany, Japan have developed the autonomous manufacturing island of the engineering goods with flexible production function at the machine components manufacture field, make the working ability of the engineering goods of diversity, small batch reach a brand-new level.
Existing superfine powder preparation equipment covers the material processing of soft, middle hardness and high rigidity such as talcum, wollastonite and carborundum, and has become that the dry method mass production is ultra-fine, the main means of ultrapure high-quality powder.But the function of present superfine powder preparation equipment is complete inadequately, and self-enclosed property and automaticity are poor, can not realize zero pollution of system of processing to product.Thin river (Hosokawa) group of Japan has constantly carried out on the perfect basis superfine powder preparation equipment, in recent years the multiprocessing system of releasing respectively (Multi-Processing System).But the multiprocessing system that the thin river group of Japan is released is the multistage pulverised form of a kind of uses to be reached and produces various varigrained powders, can not carry out accurate granularity to granularity and control.
Summary of the invention
The objective of the invention is at present superfine powder function of processing complete inadequately, self-enclosed property and automaticity are poor, can not realize that system of processing is to the problem such as zero pollutions of product and the ability that can't reach the following superfine powder of production 2-3 μ m, provide a kind of system of processing that realizes that nearly zero of product is polluted, applicability is strong, automaticity is high, and can realize the ultra-fine powder processing device and the method thereof of any adjustment and the accurately control of product fineness.
For achieving the above object, the technical solution used in the present invention is:
A kind of ultra-fine powder processing device comprises airslide disintegrating mill structure, turbine classifier structure, screw feeder, automatic packer, automatic controller, bag filter, integrated platform, air-introduced machine and gas circuit controller; The airslide disintegrating mill structure is by being connected with the turbine classifier structure, and the airslide disintegrating mill structure is positioned at turbine classifier structure below; The charging aperture of screw feeder links to each other with charging Taper Pipe in the airslide disintegrating mill structure, and bag filter links to each other with the turbine classifier structure by pipeline; Automatic packer is positioned at the below of bag filter, and air-introduced machine is connected with bag filter;
Described airslide disintegrating mill structure is a closed cylinder, and cylindrical shell is provided with Laval nozzle, ring pipe, charging Taper Pipe, pressure sensor and level-sensing device; Laval nozzle can be converted into the kinetic energy of gas with the gas pressure of air inlet, and ring pipe is connected with the gas circuit controller, plays the effect of voltage stabilizing and vibration damping; Pressure sensor and level-sensing device all are arranged on airslide disintegrating mill structure outside, and be connected with the automatic controller signal respectively, pressure when pressure sensor is used for obtaining work in the airslide disintegrating mill structure, level-sensing device stretches in the cylindrical shell, be positioned at the top of cylindrical shell, level-sensing device obtains the inventory information in the airslide disintegrating mill structure, and signal is sent into automatic controller in real time;
Velocity sensor is positioned on the tachometer disc of turbine classifier structure, is connected with the automatic controller signal, is used for measuring the rotating speed of turbine classifier structure, and in real time tach signal is sent in the automatic controller; The frequency converter of turbine classifier structure is by the blade rotational speed of motor, belt gear adjusting turbine classifier structure, and frequency converter is connected with automatic controller, the blade rotational speed of control classification mechanism.
Described gas circuit controller stop valve is connected with pressure controller with Pressure gauge successively by pipeline, pressure controller by pipeline respectively with one of two-position three way solenoid directional control valve, pneumatic diaphragm control valve, two-position three way solenoid directional control valve two, the pneumatic element three linked piece is connected with check valve; One of two-position three way solenoid directional control valve is connected with pneumatic diaphragm control valve by the first direct acting pressure valve, and pneumatic diaphragm control valve is connected with the ring pipe of airslide disintegrating mill structure by the second direct acting pressure valve; Air compressor machine is connected with stop valve, and stop valve is the break-make that is used for controlling gas circuit;
Two of two-position three way solenoid directional control valve is connected with second filtering pressure reducing valve with first filtering pressure reducing valve respectively; Second filtering pressure reducing valve is connected with turbine classifier by pressure-control valve, is used for controlling the gas pressure that enters the turbine classifier structure; First filtering pressure reducing valve is connected with ring pipe by pressure controller; Ring pipe links to each other with Laval nozzle, is used for controlling the stream pressure that enters Laval nozzle, and the stream pressure that enters in the Laval nozzle is equated;
The pneumatic element three linked piece is connected with two of one of two-position four-way solenoid valve and two-position four-way solenoid valve respectively, and one of two-position four-way solenoid valve is connected with the second double fastener butterfly valve by a QZ-5 type pneumatic actuator, and the second double fastener butterfly valve is connected with the charging Taper Pipe; Two of two-position four-way solenoid valve passes through the 2nd QZ-5 type pneumatic actuator and is connected with the first double fastener butterfly valve; The blanking motor is connected with the first double fastener butterfly valve;
Check valve is connected by the gather dust top of mechanism of the 3rd filtering pressure reducing valve and pocket type, produces downward air-flow, makes material after the pulverizing all collect pocket type and gathers dust in the mechanism.
Described airslide disintegrating mill structure, turbine classifier structure, screw feeder, automatic packer, bag filter, air-introduced machine and gas circuit controller all are integrated on the integrated platform; The integrated platform below is installed with mobilizable pulley, and whole ultra-fine powder processing device is adjusted its position according to the plant produced needs by pulley.
Described airslide disintegrating mill structure is to be connected with the turbine classifier structure by ring flange.
The charging aperture of described screw feeder is to utilize pin to link to each other with charging Taper Pipe in the airslide disintegrating mill structure.
Described Laval nozzle is three, evenly arranges in the same plane of airslide disintegrating mill structure, and the angle between three nozzles all is 120 °.
The principle of the invention: the raw material of superfine powder processing integrating device is joined in the airslide disintegrating mill structure by the charging Taper Pipe by screw feeder, the pressure of nozzle air current was by special gas circuit controller control, to satisfy the adjusting of the required air pressure of product that different grain size is required during air-flow was pulverized.The airslide disintegrating mill structure is connected by flange with the turbine classifier structure, realize the inline and integrated of crushing and classification, the blade rotational speed of turbine classifier structure carries out Based Intelligent Control by automatic controller, automatically regulate the blade rotational speed of turbine classifier structure according to the requirement of required powder granularity, the turbine classifier structure carries out air seal by the gas circuit controller.The powder that reaches granularity requirements is then entered into bag filter by the discharging opening in the turbine classifier structure, when the finished product powder of filter bag in the bag filter is stained with, automatic controller carries out the operation of pulse backblowing wind deashing by the gas circuit controller, and the powder that sticks on the bag filter is fallen in flakes.In bag filter 6 exits one automatic packer is arranged, can pack automatically product
The present invention compared with prior art has following advantage and beneficial effect:
(1) ultra-fine powder processing device has adopted totally-enclosed, full-automatic production, adopts air-introduced machine to suck air, and system is a negative-pressure operation, and powder prepares process does not have the dust generation, guarantees the clean of working environment.
(2) ultra-fine powder processing device replaces material flows automation highly with informationization, is particularly suitable for the small lot batch manufacture of medium-sized and small enterprises.
(3) ultra-fine powder processing device has adopted the PLC control system, and the production process trend is oversimplified with intelligent.
(4) ultra-fine powder processing device can be adjusted parameters such as pulverizing, grading plants according to the plant produced needs, thereby the pulverizing that realizes different material needs.
(5) ultra-fine powder processing device has avoided powder to prepare manual intervention in the process, and system has good repeatability.
(6) ultra-fine powder processing device is based upon on the frame, and this frame below is installed with mobilizable pulley, can rely on these pulleys to require its position is adjusted according to plant produced.
Description of drawings
Fig. 1 is a superfine powder processing ultra-fine powder processing device structural representation of the present invention;
Fig. 2 is that air-flow is pulverized structural representation with classification mechanism among Fig. 1;
Fig. 3 is the structural representation of gas circuit controller;
Fig. 4 is an automatic control program FB(flow block) of the present invention.
The specific embodiment
As shown in Figure 1, 2, ultra-fine powder processing device comprises airslide disintegrating mill structure 1, turbine classifier structure 2, screw feeder 3, automatic packer 4, automatic controller 5, bag filter 6, integrated platform 7, air-introduced machine 8 and gas circuit controller 9.Airslide disintegrating mill structure 1, turbine classifier structure 2, screw feeder 3, automatic packer 4, bag filter 6, air-introduced machine 8 and gas circuit controller 9 all are integrated on the integrated platform 7; Integrated platform 7 belows are installed with mobilizable pulley, and whole ultra-fine powder processing device can rely on pulley according to the plant produced needs its position to be adjusted.Wherein, airslide disintegrating mill structure 1 is connected with turbine classifier structure 2 by ring flange, is positioned at turbine classifier structure 2 belows; The charging aperture of screw feeder 3 utilizes pin to link to each other with charging Taper Pipe 1.3 in the airslide disintegrating mill structure 1, and bag filter 6 directly links to each other with turbine classifier structure 2 by pipeline; Automatic packer 4 be positioned at bag filter 6 under, air-introduced machine 8 is connected with bag filter 6, when bag filter 6 full loads, air-introduced machine carries out negative-pressure operation, makes powder fall into automatic packer 4.
Airslide disintegrating mill structure 1 is a closed cylinder, and cylindrical shell is provided with Laval nozzle 1.1, ring pipe 1.2, charging Taper Pipe 1.3, pressure sensor 1.4 and level-sensing device 1.5.Laval nozzle 1.1 is three nozzles of evenly arranging in airslide disintegrating mill structure 1 same plane, and the angle between three nozzles all is 120 °.Laval nozzle 1.1 can be converted into the gas pressure of air inlet the kinetic energy of gas, produce several Mach air-flow, can realize ultra-fine, ultrapure processing, make that feed size is 2-3mm the material of various hardness, the discharging product granularity only has 2-3 μ m, has comminution ratio and reaches 1000 grindability.The cylindrical shell top directly links to each other with the turbine classifier structure with ring flange.Ring pipe 1.2 is connected with gas circuit controller 9, plays the effect of voltage stabilizing and vibration damping.Pressure sensor 1.4 all is arranged on airslide disintegrating mill structure 1 outside with level-sensing device 1.5, and is connected with automatic controller 5 signals respectively.Pressure sensor 1.4 is the pressure in the airslide disintegrating mill structure 1 when being used for obtaining work, level-sensing device 1.5 stretches in the cylindrical shell, be positioned at the top of cylindrical shell, material in cylindrical shell arrives the height of level-sensing device, the inventory situation that level-sensing device 1.5 obtains in the airslide disintegrating mill structure 1, and the physical signalling of height of materials is converted into the signal of telecommunication, signal is entered automatic controller 5 in real time.
What turbine classifier structure 2 adopted is that the patent No. is the turbine classifier structure 2 of 200610037378.4 (a kind of dry type turbine classifier for micropowder).Velocity sensor 2.1 is positioned on the tachometer disc of turbine classifier structure 2, and is connected with automatic controller 5 signals, is used for measuring the rotating speed of turbine classifier structure 2, and in real time it is sent in the automatic controller 5.The frequency converter of turbine classifier structure 2 is by the blade rotational speed of motor, belt gear adjusting turbine classifier structure, and frequency converter is connected with automatic controller 5, the blade rotational speed of control classification mechanism.The distribution of gas that the turbine sealing gland makes gas enter inside and outside sleeve by the cavity between the inside and outside sleeve is avoided the effusion of particle.
What screw feeder 3 adopted is SLW type duplex tube helix feeder, and its specifications and models are φ 125 * 1500, and rotating speed 20～80r/min, power are 0.491kw.
As shown in Figure 3, gas circuit controller 9 comprises stop valve 4.1, pressure controller 4.2, Pressure gauge 4.3, pneumatic diaphragm control valve 4.4, one of two-position three way solenoid directional control valve 4.5, the first direct acting pressure valve 4.6, the second direct acting pressure valve 4.7, pressure controller 4.8,2 4.9 of two-position three way solenoid directional control valve, first filtering pressure reducing valve 4.10, pressure-control valve 4.11, second filtering pressure reducing valve 4.12, one of two-position four-way solenoid valve 4.13, pneumatic element three linked piece 4.14, the one QZ-5 type pneumatic actuator 4.15,2 4.16 of two-position four-way solenoid valve, the 2nd QZ-5 type pneumatic actuator 4.17, check valve 4.18, the 3rd filtering pressure reducing valve 4.19, blanking motor 4.20, the first double fastener butterfly valve 4.21, the second double fastener butterfly valve 4.22, the first magnetoelectricity contact 4.23 and the second magnetoelectricity contact 4.24.Air compressor machine is connected with stop valve 4.1, stop valve 4.1 is connected with pressure controller 4.2 with Pressure gauge 4.3 successively by pipeline, pressure controller 4.2 by pipeline respectively with one of two-position three way solenoid directional control valve 4.5, pneumatic diaphragm control valve 4.4, two-position three way solenoid directional control valve 2 4.9, pneumatic element three linked piece 4.14 is connected with check valve 4.18; One of two-position three way solenoid directional control valve 4.5 is connected with pneumatic diaphragm control valve 4.4 by the first direct acting pressure valve 4.6, and pneumatic diaphragm control valve 4.4 is connected with the ring pipe 1.2 of airslide disintegrating mill structure 1 by the second direct acting pressure valve 4.7; Stop valve 4.1 is the break-makes that are used for controlling gas circuit, and pressure controller 4.2 can artificially be regulated its pressure setup parameter size, and when the pressure set in the pressure overpressure controller 4.2 in the Pressure gauge 4.3, pneumatic diaphragm control valve 4.4 is opened and reduced pressure.One of two-position three way solenoid directional control valve 4.5 is the adjustings that are used for realizing pressure in the pressure controller 4.2, when pressure that the pressure shown in the Pressure gauge 4.3 is set greater than pressure controller 4.2, one of two-position three way solenoid directional control valve 4.5 control pneumatic diaphragm control valves 4.4 are opened decompression.The first direct acting pressure valve 4.6 and the second direct acting pressure valve 4.7 all are the effects that is used for playing decompression, are used for controlling entering gas pressure in the airslide disintegrating mill structure 1.
2 4.9 of two-position three way solenoid directional control valve is connected with second filtering pressure reducing valve 4.12 with first filtering pressure reducing valve 4.10 respectively; Second filtering pressure reducing valve 4.12 is connected with turbine classifier 2 by pressure-control valve 4.11, is used for controlling the gas pressure that enters turbine classifier structure 2.First filtering pressure reducing valve 4.10 is connected with ring pipe 1.2 by pressure controller 4.8, and ring pipe links to each other with Laval nozzle; Air-flow at first enters into ring pipe, distributes air-flow by ring pipe again, makes the stream pressure of Laval nozzle 1.1 can reach even distribution, is used for controlling the stream pressure that enters Laval nozzle 1.1.
Pneumatic element three linked piece 4.14 is connected with 2 4.16 of one of two-position four-way solenoid valve 4.13 and two-position four-way solenoid valve respectively, one of two-position four-way solenoid valve 4.13 is connected with the second double fastener butterfly valve 4.22 by a QZ-5 type pneumatic actuator 4.15, and the second double fastener butterfly valve 4.22 is connected with charging Taper Pipe 1.3; 2 4.16 of two-position four-way solenoid valve passes through the 2nd QZ-5 type pneumatic actuator 4.17 and is connected with the first double fastener butterfly valve 4.21; Blanking motor 4.20 is connected with the first double fastener butterfly valve 4.21; Comminuting matter is joined in the airslide disintegrating mill structure 1 smoothly, when blanking motor 4.20 is shifted material onto second double fastener butterfly valve 4.22, the one QZ-5 type pneumatic actuator 4.15 turning handle valve closings stop the gas ejection, the 2nd QZ-5 type pneumatic actuator 4.17 is opened valve and is added by comminuting matter then, close the valve of the 2nd QZ-5 type pneumatic actuator 4.17 subsequently, the valve of opening a QZ-5 type pneumatic actuator 4.15 at last joins in the airslide disintegrating mill structure 1 smoothly by comminuting matter.Check valve 4.18 is connected by the gather dust top of mechanism 6 of the 3rd filtering pressure reducing valve 4.19 and pocket type, air communication is crossed check valve 4.18 to the 3rd filtering pressure reducing valves 4.19 and is filtered, link pocket type mechanism 6 tops of gathering dust then, produce downward air-flow, make material after the pulverizing all collect pocket type and gather dust in the mechanism 6.
The gather dust impulse bag dust-precipitator of the ppc gas tank formula series that mechanism 6 produces for Xian County environmental protection cleaner Co., Ltd of pocket type, it is big to have the dust concentration of processing, not only can be used as the flue gas 200g/m that environmental protection equipment is handled common dust content
3, but also can be used to collect powder, and it self just has the effect of anti-blow cleaning dust, and the pressure in pocket type gathers dust mechanism 6 will carry out blowback wind after surpassing its safe pressure automatically.
Automatic controller 5 is a kind of PLC controllers, the PLC controller of selecting for use is the 313X-2DPCPU type controller of SIMENS (Siemens) SIMATICS7-300 series, be Programmable Logic Controller, can be to many cover machineries, a plurality of parameters are carried out the equipment of Based Intelligent Control, by power module, CPU module, input module and several output modules, supply unit and operation switch board constitute.Input module, output module are connected with the CPU module by power bus, data wire.Utilize all switches and the common port of button and switch of the dc source access operation panel of power module output, each input point of the other end access CPU module of button and switch.
Velocity sensor 2.1 is installed on the tachometer disc of turbine classifier, and all survey the interruption input point that the CPU module is directly imported in pulse, and the communication port of the communication port of CPU module and industrial control microcomputer or touch formula industrial figure display interconnects.Pressure sensor 1.4 and level-sensing device 1.5 are connected by electrical wiring to the pressure sensor control port and the level sensor control port port of automatic controller 5.
Raw material is joined in the airslide disintegrating mill structure 1 by charging Taper Pipe 1.3 by screw feeder 3, the pressure of nozzle air current is by 9 controls of gas circuit controller in the airslide disintegrating mill structure 1, according to the requirement of product different grain size, carry out the size of adjustments of gas pressure, airslide disintegrating mill structure 1 and turbine classifier structure 2 are connected by flange, realize the inline and integrated of crushing and classification, the blade rotational speed of turbine classifier structure 2 is detected by velocity sensor, automatic controller 5 links to each other with velocity sensor in the turbine classifier structure by lead, so that obtain the velocity information in the turbine classifier structure.Ultra-fine powder processing device then enters into bag filter 6 by the discharging opening in the turbine classifier structure 2 to the powder that reaches granularity requirements, when the finished product powder of filter bag in the bag filter 6 is stained with, gas circuit controller 9 carries out the operation of pulse backblowing wind deashing, and the powder that sticks on the bag filter 6 is fallen in flakes.In bag filter 6 exits one automatic packer 4 is arranged, can pack automatically product.
As shown in Figure 4, the superfine powder process, at first open automatic controller 5, finishing indicator lamp shows normal, total bleed pressure is low, sealing gland pressure is low, turbine classifier structure motor overload, the air-introduced machine overload, the batcher overload, a series of self check processes of the too high and pocket type dust catcher hypertonia of airslide disintegrating mill structure internal pressure, total bleed pressure is low to refer to the gas pressure that directly comes out from compressor and crosses low less than the pressure that presets, the low valve pressure in the gas circuit controller that refers to of sealing gland pressure is low excessively, the turbine classifier overload refers to the resistance of grader inside greater than its rated power 2Kw, the air-introduced machine overload refers to the resistance of air-introduced machine inside greater than its rated power 2KW, the screw feeder overload refers to the interior resistance of screw feeder greater than its rated power 0.491KW, and the too high mill internal pressure that is meant of mill internal pressure is greater than 2 atmospheric pressure; Turbine classifier 2, bag filter 6, air-introduced machine 8, screw feeder 2 start successively then, can carry out ultra-fine grinding processing operation.Distribute to airslide disintegrating mill structure 1, bag filter 6, air-introduced machine 8 by the gases at high pressure that air compressor machine produces by gas circuit controller 9.Gases at high pressure produce 3～5 hertz air velocity through Laval nozzle 1.1, by screw feeder 2 by feed pipe to the mill in feed, granularity is after the 2-3mm comminuting matter enters in the pulverizing chamber from charging Taper Pipe 1.3, be subjected to the acceleration of nozzle ejection air-flow, central authorities to pulverizing chamber, the particle of motion collides mutually, produce the ultrafine powder particle, pulverized particle and air-flow form the fluidization sports ground, the bottom-up work chamber that enters turbine classifier of Dual-Phrase Distribution of Gas olid body, when powder granule meets with the stage turbine of rotation at a high speed, be subjected to reach thousand times and can reach thousand blades cutting rate particle to the centrifugal force of deadweight and per second, fine particle is by the gap between the stage turbine blade, enter the internal channel of stage turbine, coarse granule is fallen along the contrary Dual-Phrase Distribution of Gas olid body direction of motion of the outer casing inner wall of turbine classifier by action of centrifugal force.The granularity of product is carried out the granulometry of off-line, the dynamics that do not meet requires then original state to be regulated, regulate the rotating speed of turbine classifier 2 by regulating electric machine frequency, because the frequency of turbine classifier 2 frequency converters can be regulated arbitrarily, the rotating speed of turbine classifier 2 can change thereupon, realizes any adjustment of rotating speed.After operating personnel set the kind of needed material and granule size and start turbine grinder structure 1, PLC carries out init state automatically, material is sent charging Taper Pipe 1.3 to by screw feeder 3 and is entered in the airslide disintegrating mill structure 1, being responsible for measuring logistics capacity PS1L-D66M type level-sensing device 1.5 sends into the pulse information of inventory in the PLC controller by the level sensor control port of PLC, according to level-sensing device 1.5 resulting information, send into control signal by the screw feeder control port of PLC to screw feeder 1 respectively, the PLC controller also contrasts the database that has been located in the PLC controller according to the size of set particle diameter, respectively by grader control port among the PLC, powder delivery machine control port, screw feeder control is sent control signal into turbine classifier 2, in the screw feeder 3, regulate the rotating speed of turbine classifier 2 and the feeding capacity of screw feeder 3, material is collected by bag collector at last, becomes qualified products.
Claims (5)
1. a ultra-fine powder processing device is characterized in that, comprises airslide disintegrating mill structure, turbine classifier structure, screw feeder, automatic packer, automatic controller, bag filter, integrated platform, air-introduced machine and gas circuit controller; The airslide disintegrating mill structure is connected with the turbine classifier structure, and the airslide disintegrating mill structure is positioned at turbine classifier structure below; The charging aperture of screw feeder links to each other with charging Taper Pipe in the airslide disintegrating mill structure, and bag filter links to each other with the turbine classifier structure by pipeline; Automatic packer is positioned at the below of bag filter, and air-introduced machine is connected with bag filter;
Described airslide disintegrating mill structure is a closed cylinder, and cylindrical shell is provided with Laval nozzle, ring pipe, charging Taper Pipe, pressure sensor and level-sensing device; Laval nozzle can be converted into the kinetic energy of gas with the gas pressure of air inlet, and ring pipe is connected with the gas circuit controller, plays the effect of voltage stabilizing and vibration damping; Pressure sensor and level-sensing device all are arranged on airslide disintegrating mill structure outside, and be connected with the automatic controller signal respectively, pressure when pressure sensor is used for obtaining work in the airslide disintegrating mill structure, level-sensing device stretches in the cylindrical shell, be positioned at the top of cylindrical shell, level-sensing device obtains the inventory information in the airslide disintegrating mill structure, and signal is sent into automatic controller in real time;
Velocity sensor is positioned on the tachometer disc of turbine classifier structure, is connected with the automatic controller signal, is used for measuring the rotating speed of turbine classifier structure, and in real time tach signal is sent in the automatic controller; The frequency converter of turbine classifier structure is by the blade rotational speed of motor, belt gear adjusting turbine classifier structure, and frequency converter is connected with automatic controller, the blade rotational speed of control classification mechanism;
The stop valve of described gas circuit controller is connected with pressure controller with Pressure gauge successively by pipeline, pressure controller by pipeline respectively with one of two-position three way solenoid directional control valve, pneumatic diaphragm control valve, two-position three way solenoid directional control valve two, the pneumatic element three linked piece is connected with check valve; One of two-position three way solenoid directional control valve is connected with pneumatic diaphragm control valve by the first direct acting pressure valve, and pneumatic diaphragm control valve is connected with the ring pipe of airslide disintegrating mill structure by the second direct acting pressure valve; Air compressor machine is connected with stop valve, and stop valve is the break-make that is used for controlling gas circuit;
Two of two-position three way solenoid directional control valve is connected with second filtering pressure reducing valve with first filtering pressure reducing valve respectively; Second filtering pressure reducing valve is connected with turbine classifier by pressure-control valve, is used for controlling the gas pressure that enters the turbine classifier structure; First filtering pressure reducing valve is connected with ring pipe by pressure controller; Ring pipe links to each other with Laval nozzle, is used for controlling the stream pressure that enters Laval nozzle, and the stream pressure that enters in the Laval nozzle is equated;
The pneumatic element three linked piece is connected with two of one of two-position four-way solenoid valve and two-position four-way solenoid valve respectively, and one of two-position four-way solenoid valve is connected with the second double fastener butterfly valve by a QZ-5 type pneumatic actuator, and the second double fastener butterfly valve is connected with the charging Taper Pipe; Two of two-position four-way solenoid valve passes through the 2nd QZ-5 type pneumatic actuator and is connected with the first double fastener butterfly valve; The blanking motor is connected with the first double fastener butterfly valve;
Check valve is connected by the gather dust top of mechanism of the 3rd filtering pressure reducing valve and pocket type, produces downward air-flow, makes material after the pulverizing all collect pocket type and gathers dust in the mechanism.
2. ultra-fine powder processing device according to claim 1 is characterized in that, described airslide disintegrating mill structure, turbine classifier structure, screw feeder, automatic packer, bag filter, air-introduced machine and gas circuit controller all are integrated on the integrated platform; The integrated platform below is installed with mobilizable pulley, and whole ultra-fine powder processing device is adjusted its position according to the plant produced needs by pulley.
3. ultra-fine powder processing device according to claim 1 is characterized in that, described airslide disintegrating mill structure is to be connected with the turbine classifier structure by ring flange.
4. ultra-fine powder processing device according to claim 1 is characterized in that, the charging aperture of described screw feeder is to utilize pin to link to each other with charging Taper Pipe in the airslide disintegrating mill structure.
5. ultra-fine powder processing device according to claim 1 is characterized in that, described Laval nozzle is three, evenly arranges in the same plane of airslide disintegrating mill structure, and the angle between three nozzles all is 120 °.
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| CN103706449B (en) * | 2013-12-27 | 2015-09-02 | 北京印刷学院 | A kind of small negative pressure airflow milling with ellipsoid structure crushing chamber |
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-
2009
- 2009-07-06 CN CN2009100408325A patent/CN101607223B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101607223A (en) | 2009-12-23 |
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