CN102328339B - Pressurization forming system - Google Patents
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- CN102328339B CN102328339B CN 201110288981 CN201110288981A CN102328339B CN 102328339 B CN102328339 B CN 102328339B CN 201110288981 CN201110288981 CN 201110288981 CN 201110288981 A CN201110288981 A CN 201110288981A CN 102328339 B CN102328339 B CN 102328339B
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Abstract
The invention discloses a pressurization forming system and belongs to the technical field of compression molding. The pressurization forming system comprises a pressurization feeding device, a forming device, a forced synchronization speed reducer, a shaft coupler, a stander, a bearing pedestal and a frequency conversion and speed regulation motor, wherein the frequency conversion and speed regulation motor supplies power to the forming device; the pressurization feeding device conveys powdered materials to the forming device; the forming device, the shaft coupler and the bearing pedestal are arranged on the stander; the power supplied by the frequency conversion and speed regulation motor is transmitted to two compression roller shafts in the forming device by the forced synchronization speed reducer through the shaft coupler; and the bearing pedestal is arranged on two sides of the forming device. By using the pressurization forming system, the materials dried by a compression molding machine are convenient to convey. By the scheme, drying and transportation for sticky materials are realized, and the energy consumption is reduced greatly and the pollution to the environment is also reduced; therefore, the pressurization forming system has extremely high practical, economic and social values.
Description
Technical field
The present invention relates to a kind of extrusion forming system, belong to the extrusion forming technical field.
Background technology
In processes such as existing mining, transportation, loading and unloading, because a variety of causes need be handled the material that contains large quantity of moisture, after these water-containing materials processing, often wait until granular material, owing to bulk characteristics and the skyborne characteristics of being scattered and dispersing of granular material, cause existing the difficult problem of transportation.Therefore, often need carry out compression forming to granular material after, transport again.
Proposed a kind of method of dry viscous material in the prior art, this method is at first carried out filter-press dehydration with viscous material by filter press, the viscous material behind the filter-press dehydration is placed roasting moulding in the roasting cellar for storing things again.Though the technological process of this method is fairly simple, if only by filter-press dehydration, when viscous material has the inhomogeneous Combination of granularity, will cause more residual moisture.In addition, when viscous material is material such as coal slurry, coal slime, high-temperature roasting will cause the composition of the coal dust that obtains to change, and namely quality of pc reduces; Further, make the coal dust quality badness because of high-temperature roasting.
Existing compression forming equipment has screw extruding bri quetting machine, ring mould cold extrusion shaped machine, hydraulic forming machine, crank connecting link pressure forming machine etc., still, existing former great majority, production efficiency is low, energy consumption is high, can not meet the need of market.
A kind of solid biomass two stages of compression make-up machine is disclosed in No. 200720034730 application of Chinese patent, the one-level precompressed mechanism that is constituted by the Reducing screw pressurizing unit, be in it on coaxial position in the exit of described Reducing screw pressurizing unit, in the mode of connecting the secondary rolling mechanism that is made of a pair roller be set.Have the two-stage rolling mechanism at this compacting shape machine, thereby cause complex structure and safeguard relatively difficulty, and use cost is than higher.And in this equipment, do not have the automatic adjustment component of pair roller spacing, in use because the feeding speed difference of one-level roll extrusion, and then cause the damage of pair roller easily.
A kind of living beings compacting shape machine is disclosed in No. 200920217201 application of Chinese patent, be the product that loose biological materials such as broomcorn straw, maize straw, wheat stalk, cotton stalk, peanut skin, sawdust, Chinese medicine slag, furfural dregs, branch and bark is compressed into fine and close solid shape, it is made up of automatical feeding system, mold pressing portion, power part.Automatical feeding system is made up of material detection and control system, induction system, humidification system and feed bin.Mold pressing portion is made up of the support of proportioner, pinch roller combination, template, die body and die body bottom, main shaft etc.The driving section is made up of gear, gear-box, flying wheel, shaft coupling, power transmission shaft, motor.Mold pressing portion is installed in power part top by support, and automatical feeding system is installed in mold pressing portion top.
But all the said equipments all have a common shortcoming, and just in the extrusion modling process, die wear is serious, change the parts difficulty, or even the complete machine replacing, and this must increase product cost, and has reduced the effective time.
Summary of the invention
In order to solve problems of the prior art, the invention provides a kind of extrusion forming system, realized the pressure automatic and adjustable, solved the serious problem of die wear in the extrusion modling process that exists in the prior art, the present invention adopts following technical scheme for this reason:
According to technical scheme of the present invention, a kind of extrusion forming system is provided, it comprises pressurization charging gear 5-1, shaped device 5-2 and forced synchronism reductor 5-3, shaft coupling 5-4, frame 5-5, bearing block 5-6 and frequency control motor, frequency control motor provides power to shaped device, pressurization charging gear 5-1 flows to shaped device 5-2 with granular material, shaped device 5-2 and shaft coupling 5-4, bearing block 5-6 is installed on the frame 5-5, the power that frequency control motor provides reaches two pressure roller shaft in the shaped device through forced synchronism reductor 5-3 by shaft coupling 5-4, and bearing block 5-6 is arranged on the both sides of shaped device 5-2.
Wherein, described forced synchronism reductor is the forced synchronism cylindrical gear reducer.The pressurization charging gear comprises material bin, screw press device and compression chamber, material bin is used for storing described mixed flow drying material, and the mixed flow drying material exported to the screw press device, the screw press device is used for by helical orbit being pressurizeed in mixed flow drying mass transport to compression chamber; Material bin the first half is the transportation section, and material bin the latter half is for there being the pressure feed stage.
Preferably, pressurization charging gear 5-1 also comprises cylindrical shell, and cylindrical shell surrounds whole pressurization charging gear, and cylindrical shell is the thickness unanimity up and down, and its structure is to make up along the central axis dissection type.
More preferably, the screw press device comprises the screw press axle, and the screw press axle comprises conveying blade 5-1-4, pressurization blade 5-1-7, main shaft 5-1-5, and wherein conveying blade 5-1-4 and pressurization blade 5-1-7 all detachably are installed on the main shaft 5-1-5; Pressurization blade 5-1-7 is exchangeable pressurization blade.
Preferably, shaped device 5-2 comprises two pressure rollers that are oppositely arranged; Two pressure rollers are positive column type pressure roller.
More preferably, the screw press axle is driven by frequency control motor, through the cycloidal planetary gear speed reducer transmission, drives the conveying blade rotation, and material is sent into cylindrical shell; The diameter of pressuring shaft is up-thin-low-thick design, thereby spatial variations in the change cylindrical shell, namely this space is up big and down small, thereby the material that enters this space is progressively pressurizeed in the process that the pressurization blade promotes downwards, to be pressed material to force to be pressed into the compression chamber like this, be entered moulding between two pressure rollers.
Preferably, pressurization charging gear 5-1 also comprises pressure sensor 5-1-8, and pressure sensor 5-1-8 is installed on the inwall of the 5-1-3 of compression chamber, in order to measure briquetting pressure, in order to control the size of feeding coal.
Additionally, two pressure roller 5-1-9 all adopt the design of " main shaft+roller shell " formula, and wherein main shaft can forever use, and can change roller shell.
In addition; shaped device 5-2 is provided with two pressure rollers and hydraulic protector; be by hydraulic pump hydraulic oil to be squeezed into hydraulic cylinder; make piston produce axial displacement; the front connector of piston rod withstands on the bearing block and produces the pressure requirement to satisfy; when charging between two pressure rollers too much or when entering metal derby; hydraulic cylinder piston rod pressurized overload; hydraulic pump can be shut down, thereby accumulator has changed cushioning effect, overflow valve to pressure and opened oil return, piston rod displacement and the slit is strengthened make hard thing pass through pressure roller; system presses recovers normal, can protect pressure roller not damage.
Preferably, the extrusion forming system also comprises device or the holding device of forming press-roller adjusting pressure size, the device that forming press-roller is regulated the pressure size comprises movable axle bearing, pre-tightening apparatus and wedge block, adjustment process is the downward top of pre-tightening apparatus wedge block, the contact-making surface of wedge block and movable axle bearing is the clinoplain that certain angle is arranged, wedge block move downward the horizontal movement of horizontal direction that can be converted into the movable axle bearing, thereby realize two pressure adjustment between the pressure roller; The pre-tightening apparatus of small pressurized formation system is that the pre-tightening apparatus of bolt holding device or large-scale extrusion forming system is the hydraulic jack holding device.
With the vibrating mixed flow of viscous material by the predrying and multilayer vibrating mixed flow bed of high temperature, both guaranteed that the composition of viscous material and quality can not change, and had improved dry effect again; Use extrusion forming provided by the invention system, by material after the compression molding machine drying, make material be convenient to transportation.The present invention program has not only solved drying and the transportation problem of viscous material, has also greatly reduced energy consumption, has reduced the pollution to environment, so the present invention has high practical value and economic worth and social value.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the viscous material drying and moulding equipment that provides of the specific embodiment of the present invention;
Fig. 2 is the principle schematic of the vibrating mixed flow dryer that provides of the specific embodiment of the present invention;
Fig. 3 is the structural representation of the vibrating mixed flow dryer that provides of the specific embodiment of the present invention;
Fig. 4 is the structural representation of the predrying portion of high temperature that provides of the specific embodiment of the present invention;
Fig. 5 is that the A-A of Fig. 4 of providing of the specific embodiment of the present invention is to cutaway view;
Fig. 6 is the structural representation of the former that provides of the specific embodiment of the present invention;
Fig. 7 is the structural representation of the pressurization charging gear that provides of the specific embodiment of the present invention;
Fig. 8 is the structural representation of the viscous material drying and moulding equipment of the increase cleaner that provides of the specific embodiment of the present invention;
Fig. 9 is the structural representation of the vibrating mixed flow dryer of the increase low temperature air outlet that provides of the specific embodiment of the present invention;
Figure 10 is the schematic flow sheet of the viscous material drying and moulding method that provides of the specific embodiment of the present invention.
Figure 11 is the apparatus structure schematic diagram that the forming press-roller that provides of specific implementation method of the present invention is regulated pressure.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
To be example with coal slurry or coal slime be elaborated to the drying and moulding method and system of viscous material the specific embodiment of the present invention, influence Coal Quality at the Combination of the granularity inequality of coal in coal slurry or the coal slime, large property and the high-temperature hot-air of dry production capacity, and allow coal that certain residual water three particular characteristics that grade are arranged, and need following three conditions namely: the one, coal slurry or coal slime are contacted fully with hot blast, enlarge contact area; The 2nd, prolong coal slurry or coal slime and hot blast time of contact; The 3rd, the contact strength of increase hot blast and coal slurry or coal slime.Three conditions are indispensable, and are accompanied by influences such as heat exchanger effectiveness decline, energy consumption increase.And coal and hot blast have contact area and time of contact in the existing revolving drier, but lack contact strength, that is to say that the relative velocity of hot blast and coal is low, and heat exchange efficiency is low, and drying capacity is restricted, and is difficult to break through large property of coal drying; In fluid-bed dryer, coal and hot blast have contact area, time of contact and contact strength, but helpless to the lump coal of granularity inequality, also are difficult to satisfy simultaneously large sexual needs of coal drying; Only use the mode of hollow deep fat pipe in the Korean Patent, viscous material is sticked on the hollow deep fat pipe, making the drying effect variation and energy consumption is increased sharply increases, and then has greatly shortened the service life of equipment.Use compression forming equipment of the prior art, be not easy to safeguard, and use cost is higher.
The inventor drops into a large amount of man power and materials, through studying exploitation for a long period of time, invent a kind of viscous material drying and moulding method and system and compressed forming system, it has the non-effect that is often better than existing equipment at the drying processing that contains the large quantity of moisture material, and overcome the defective of prior art, can realize the industrial applications of big production capacity.
Referring to Figure 10, a kind of viscous material drying and moulding method is provided, comprising:
Concrete, at first the viscous material of moulding to be dried is sent into the dry cylindrical shell of the vibrating mixed flow that comprises predrying of high temperature and be provided with multilayer vibrating mixed flow bed, multilayer vibrating mixed flow bed drying in the dry cylindrical shell of vibrating mixed flow can adopt has drying principles as shown in Figure 2, drying in the dry cylindrical shell of vibrating mixed flow can adopt and existingly in predrying of the high temperature of structure as shown in Figure 3 and vibrating mixed flow dryer or the prior art can realize dry equipment, and in the dry cylindrical shell to vibrating mixed flow, feed in the process that elevated temperature heat is distinguished and admirable and the low temperature hot blast flows, can adopt as shown in Figure 1 high temperature blowing device 1 and cold air distribution equipment 2, or adopt the existing blowing device that can heat air-supply in the prior art.The viscous material of moulding to be dried is sent in the dry cylindrical shell of vibrating mixed flow after the drying, obtained the mixed flow drying material.
More specifically, a kind of viscous material drying and moulding method comprises step:
(1) air outlet of high temperature blowing device is connected with the air intake vent of the predrying portion of high temperature of drying and moulding system, and it is distinguished and admirable that the high temperature blowing device sends into elevated temperature heat for the predrying portion of high temperature;
(2) from the feeding port of viscous material drying and moulding system the viscous material of moulding to be dried is sent into the predrying portion of high temperature, carry out high temperature drying;
(3) material through predrying high temperature drying of high temperature scatters downwards to first order vibrating mixed flow bed, vibrates at first order vibrating mixed flow bed; Material continues to scatter downwards to second level vibrating mixed flow bed, and the vibrating mixed flow bed vibrates in the second level; Material continues to scatter downwards to third level vibrating mixed flow bed, vibrates at third level vibrating mixed flow bed; So motion, on the vibrating mixed flow bed that scatters lowermost layer, and vibration scatters;
(4) the hot blast stream that flows out from the air outlet of the predrying portion of high temperature is sent to the dry cylindrical shell of vibrating mixed flow bottom air inlet via air-introduced machine, forms the hot blast stream that upwards flows in the dry inner barrel of vibrating mixed flow;
(5) form mixed flow from predrying of high temperature and multistage vibrating mixed flow the bed material that scatters and the hot blast stream that upwards flows in the dry inner barrel of vibrating mixed flow downwards, make material carry out abundant drying;
(6) the dried material of vibrating mixed flow is sent to moulding in the make-up machine via the bottom discharging opening of the dry cylindrical shell of vibrating mixed flow, obtains target product.
In the method, from the feeding port of viscous material drying and moulding system the viscous material of moulding to be dried is sent into predrying of high temperature and be the air-locked type feeding.The dried material of vibrating mixed flow is sent to via the bottom discharging opening of the dry cylindrical shell of vibrating mixed flow and is shaped to the air-locked type discharging in the make-up machine.For the ease of the be dried quality of material of control, the distinguished and admirable temperature of elevated temperature heat that feeds the predrying portion of described high temperature is 250-400 ℃.The temperature of low temperature hot blast stream is 150-220 ℃.The mixed flow drying material is sent in the make-up machine moulding comprise described mixed flow drying material sent into the rotation of conveying worm and press in the conveying worm that the format roll pair roller motion extrusion modling that is subjected to being connected with the make-up machine annular seal space is target product.
In order to reduce environmental pollution, also adopt cleaner, be about to cross air-introduced machine from the wind circulation that draw on the dry cylindrical shell of vibrating mixed flow top and send into sack cleaner and carry out dedusting.
In addition, a kind of viscous material drying and moulding system also is provided, its involving vibrations mixed flow drying cylindrical shell, high temperature blowing device 1, predrying 3-6 of high temperature, multilayer vibrating mixed flow bed, discharging conveying equipment 4 and former 5, wherein predrying 3-6 of high temperature and multilayer vibrating mixed flow bed 3-2 are installed in the dry inner barrel of vibrating mixed flow, the air outlet of high temperature blowing device is connected with the air intake vent of the predrying portion of high temperature that is positioned at the dry cylindrical shell of vibrating mixed flow top, and the air outlet of the predrying portion of high temperature is connected with the air intake vent of the dry cylindrical shell of vibrating mixed flow bottom; In the vibrating mixed flow cylindrical shell and below predrying of high temperature, be provided with some layers of vibrating mixed flow bed, described vibrating mixed flow bed is used for and will sends into and the viscous material and hot blast stream vibrating mixed flow of the distinguished and admirable moulding to be dried after predrying through elevated temperature heat through the chute feeder that is positioned at viscous material drying and moulding system top, obtains the mixed flow drying material of nature whereabouts after vibrating mixed flow; Be provided with discharging opening in the dry cylindrical shell of vibrating mixed flow bottom, be used for the mixed flow drying mass transport to being positioned at vibrating mixed flow drying external body discharging conveying equipment, the discharging conveying equipment is used for described mixed flow drying mass transport to former, and former is used for described mixed flow drying material forming.
Viscous material drying and moulding system also comprises cold air distribution equipment 2, cold air distribution equipment 2 comprises first air-introduced machine, first air-introduced machine is arranged between the air intake vent of the air outlet of the predrying portion of high temperature and the dry cylindrical shell of vibrating mixed flow bottom, is used for forcing to introduce in the dry cylindrical shell of vibrating mixed flow from the hot blast stream of predrying outflow of high temperature.In another technical scheme, cold air distribution equipment comprises first air-introduced machine and air distribution device; Air distribution device is arranged between the air outlet and first air-introduced machine of the predrying portion of high temperature, and the air that hot blast flows and the vibrating mixed flow drying is external that is used for flowing out from the air outlet of the predrying portion of high temperature carries out air distribution in proportion, and then converts low temperature hot blast stream to; First air-introduced machine is used for low temperature hot blast stream is forced to introduce in the dry cylindrical shell of vibrating mixed flow between the air intake vent of air distribution device and the dry cylindrical shell of vibrating mixed flow bottom.
The device of the viscous material of moulding to be dried being sent into the predrying portion of high temperature from the feeding port of viscous material drying and moulding system is the air-locked type feed appliance.The dried material of vibrating mixed flow is sent to the device air-locked type discharger of moulding in the make-up machine via the bottom discharging opening of the dry cylindrical shell of vibrating mixed flow.The high temperature blowing device comprises hot-blast stove, expansion chamber and second air distribution device, described hot-blast stove is distinguished and admirable and feeding expansion chamber for generation of elevated temperature heat, described expansion chamber utilizes the gravity effect to remove the equipment of the dust granules in the hot blast stream, and described second air distribution device is used for adjusting the air quantity of sending into the predrying portion of described high temperature.The vibrating mixed flow bed that arranges in the dry cylindrical shell of vibrating mixed flow is provided with the sieve aperture of several φ 3mm for arranging in a zigzag at the feed belt of described vibrating mixed flow bed.
Predrying of employed high temperature is the predrying pipe of the high temperature that good heat conductivity is arranged of multilayer hollow.More preferably, the predrying pipe of the high temperature of multilayer hollow all has the many predrying pipes of hollow high temperature in each layer, and leaves the space that material scatters between the predrying pipe of each root hollow high temperature in each layer; Leave the gap greater than the predrying pipe diameter of hollow high temperature between the adjacent layer, the mode that the predrying pipe of the high temperature in the levels is arranged according to dislocation is installed the every predrying pipe of high temperature.In another program, the predrying portion of high temperature comprises high temperature resistant casing and the some predrying pipes of hollow high temperature, the two ends of high temperature resistant casing are provided with high temperature air inlet and high temperature air outlet, the some predrying pipes of high temperature are separately positioned on the inside of high temperature resistant casing, carry out preliminarily dried for the viscous material for the treatment of drying and moulding.Between first air-introduced machine of the front end of the dry cylindrical shell of predrying of high temperature and vibrating mixed flow bottom air inlet, be provided with air distribution device, the air that hot blast flows and the vibrating mixed flow drying is external that is used for flowing out from the air outlet of the predrying portion of high temperature carries out air distribution in proportion, and then converts low temperature hot blast stream to.
In addition, also be provided with at top layer vibrating mixed flow bed discharging opening place and break up device, break up the position of device at the downward-sloping end of top layer vibrating mixed flow bed, break up device and break up for scattering the block viscous material to be dried that does not scatter behind formula drying and the preliminary vibrating mixed flow of process top layer vibrating mixed flow bed through the predrying portion of high temperature.
Illustrate further inventive concept below by reference to the accompanying drawings, follow same invention thought with above-mentioned summary of the invention in the following description, just may exist structure slightly different.
As shown in Figure 1, viscous material drying and moulding system comprises: high temperature blowing device 1, cold air distribution equipment 2, drying equipment 3, discharging conveying equipment 4 and former 5, drying equipment 3 comprise predrying 3-6 of high temperature and vibrating mixed flow dryer 3-1; The top air intake vent of predrying 3-6 of the air outlet of high temperature blowing device 1 and the high temperature of drying equipment 3 is connected, the top air outlet of predrying 3-6 of the air intake vent of cold air distribution equipment 2 and high temperature is connected, the air outlet of cold air distribution equipment 3 is connected with the bottom air intake vent of vibrating mixed flow dryer 3-1, and the inside of vibrating mixed flow dryer 3-1 is provided with some vibrating mixed flow bed 3-2; That vibrating mixed flow bed 3-2 is used for is that air-locked type feed appliance 3-3 with drying equipment 3 sends into, spread to lead by high-temperature hot-air and be heated and the viscous material vibration of the moulding to be dried that low temperature hot blast stream vibrating mixed flow is heated is scattered, and behind vibrating mixed flow, obtain the mixed flow drying material, and the mixed flow drying material is transported on the discharging conveying equipment 4 by air-locked type discharger 3-10, the air-locked type device prevents distinguished and admirable pouring in down a chimney, and guarantees that the air pressure in the drying equipment 3 is constant.Discharging conveying equipment 4 is used for the mixed flow drying mass transport to former 5, and former 5 is used for the mixed flow drying material forming.
Concrete, the high temperature blowing device 1 that provides in this specific embodiment comprises hot-blast stove 1-1, expansion chamber 1-2 and the second air distribution device 1-3, hot-blast stove 1-1 is used for air or flue gas heating, and it is distinguished and admirable to produce elevated temperature heat, and the second air distribution device 1-3 is used for regulating distinguished and admirable air output and the temperature of elevated temperature heat.
Cold air distribution equipment 2 comprises first air-introduced machine, is used for the wind from drying equipment is carried out forced conveyance, produces low temperature hot blast stream.
Under the vibrating mixed flow effect of vibrating mixed flow bed 3-2, be dispersed into the material long queue into flexuose flat bulk shape, feed belt at vibrating mixed flow bed 3-2 flows dry, feed belt at vibrating mixed flow bed 3-2 is provided with several sieve apertures, a part of granularity is passed the sieve aperture vertical drop less than the thin material of sieve aperture straight well, and the thin material that is blown afloat with following one deck forms the dilute phase bed of material; Another partly granularity under vibrational state, forms the vibration bed of material that loosens greater than the thick material of sieve aperture and moves horizontally along compass screen surface, it is unrestrained to following one deck vibrating mixed flow bed 3-2 to move to the end, in unrestrained process to following one deck vibrating mixed flow bed 3-2, owing to be provided with among the vibrating mixed flow dryer 3-1 and break up device 3-5, breaing up device 3-5 can smash by the material that granularity is bigger, makes it easier and is dried.Low temperature hot blast stream enters vibrating mixed flow dryer 3-1 by blower fan 3-12 with distinguished and admirable low temperature air inlet 3-9 and the middle air outlet 3-11 that guides to vibrating mixed flow dryer 3-1 via air distribution device 3-14 that high temperature air outlet 3-8 comes out, wherein low temperature hot blast flow point is vertical distinguished and admirable distinguished and admirable with level, vertical distinguished and admirable in passing through the process of vibrating mixed flow bed 3-2 and material with material fully, contact to high strength, with dry materials; Level distinguished and admirable between vibrating mixed flow bed 3-2 speed change flow and with unrestrained material fully, contact dry materials to high strength.The perpendicular flow of existing material in vibrating mixed flow dryer 3-1 has the bottom horizontal flow sheet of material again; The adverse current of existing vertical direction between low temperature hot blast stream and the material has the adverse current of horizontal direction again, forms omnibearing mixed flow.Thickness material and hot blast stream in the mixed flow process through repeatedly mix-separate-mix again-separating process is by evenly dry again, form the mixed flow drying material, and from the output of the bottom of vibrating mixed flow dryer 3-1, the mixed flow drying material of output is transported to former 5 by discharging conveying equipment 4.Wherein, vibrating mixed flow dryer 3-1 can handle powder shape or the block wet stock that is mixed by material of different grain size.The effect of air distribution device 3-14 is to measure the temperature of low temperature air inlet 3-9 and the feedback information of air quantity by temperature and air flow sensor 3-13, regulates the size of air distribution ratio, and then regulates temperature and the air quantity of low temperature hot blast stream.Diverse location place on the cylindrical shell of vibrating mixed flow dryer 3-1 arranges a plurality of middle air outlet 3-11, by air outlet 3-11 in the middle of the closure or openness, can reach the purpose of laminates wind, makes the heat utilization efficiency of hot blast stream higher.
Optionally, this specific embodiment can also comprise cleaner 6, also be provided with the second low temperature air outlet on the dry cylindrical shell of vibrating mixed flow, namely predrying top of vibrating mixed flow dryer 3-1 top or high temperature also is provided with the second low temperature air outlet in drying equipment 3; As shown in Figure 8, cleaner 6 comprises bag-type dust collector 6-1 and the second air-introduced machine 6-2, the air inlet of bag-type dust collector 6-1 is connected with the second low temperature air outlet 3-4, the air outlet of bag-type dust collector 6-1 is connected with the air intake vent of the second air-introduced machine 6-2, bag-type dust collector 6-1 is used for driving according to the wind-force of the second air-introduced machine 6-2, the mixed flow drying material wind that contains that the second low temperature air outlet 3-4 is sent carries out dedusting, and the dried material that obtains after the dedusting is transported on the discharging conveying equipment 4, to realize environmental protection and recycling.
The technical scheme that adopts this specific embodiment to provide, with viscous material by being provided with the cavity of multilayer vibrating mixed flow bed, and by the distinguished and admirable and low temperature hot blast of elevated temperature heat stream viscous material is carried out drying, and both guaranteed that the composition of viscous material can not change, improved dry effect again.
Concrete, with the mixed flow drying material send into as shown in Figure 6 former or prior art in the existing make-up machine, make shaped article.No matter be as shown in Figure 6 former or prior art in existing make-up machine, can adopt the pressure roller of alloy material, and adopt steel rolling roller processing technology, guarantee intensity and the service life of pressure roller; Its running part can adopt column gear transmission, reduces equipment fault, reliable and stable operation; Its support can adopt high high-quality steel welding machine to form, for the good operation of equipment provides reliable assurance; Its distribution control and detect and can adopt domestic state-of-the-art central control system can online detected pressures, temperature, raw material index, formed product analysis etc.
In another aspect of this invention, the compressed forming system of the present invention's invention is provided, i.e. former 5 as shown in Figure 6, it mainly comprises pressurization charging gear 5-1, shaped device 5-2 and forced synchronism reductor 5-3, shaft coupling 5-4, frame 5-5, bearing block 5-6, former 5 is used for the granular material that compacting is difficult to moulding, is characterized in that briquetting pressure is big, the main frame revolution is adjustable, be furnished with spiral feeder.Former 5 provides power by frequency control motor, reaches two pressure roller shaft through the forced synchronism cylindrical gear reducer by shaft coupling, guarantees synchronous operation, and the adjusting pressure apparatus is equipped with in the plain bearing housing back.
Wherein as shown in Figure 7, pressurization charging gear 5-1 mainly comprises material bin 5-1-1, screw press axle 5-1-2, the 5-1-3 of compression chamber, conveying blade 5-1-4, main shaft 5-1-5, cylindrical shell 5-1-6, pressurization blade 5-1-7, pressure sensor 5-1-8 and pressure roller 5-1-9, material bin 5-1-1 stores the mixed flow drying material, material bin 5-1-1 the first half is the transportation section, and material bin 5-1-1 the latter half is for there being the pressure feed stage.Screw press axle 5-1-2 is driven by frequency control motor, through the cycloidal planetary gear speed reducer transmission, drives conveying blade 5-1-4 rotation, and material is sent into cylindrical shell 5-1-6; Cylindrical shell 5-1-6 is the thickness unanimity up and down, and its structure is along the combination of central axis dissection type, is convenient to maintenance.After material enters cylindrical shell 5-1-6, because the diameter of pressuring shaft 5-1-2 is up-thin-low-thick design, thereby change spatial variations in the cylindrical shell 5-1-6, even this space is up big and down small, and then the material that enters this space is progressively pressurizeed downwards in the process that pressurization blade 5-1-7 promotes, to be pressed material to force to be pressed into the 5-1-3 of compression chamber like this, be entered two pressure roller 5-1-9 moulding.Two pressure roller 5-1-9 are positive column type pressure roller.In the production process, when the binder amount among the screw press device 5-1-2 equates with former 5 required inventories, keep constant feed pressure to make pellet quality stable; Excessive as the feed amount, then the electricity of screw press device 5-1-2 transships; The too small then not balling-up of feed amount.Pressure sensor 5-1-8 is installed on the inwall of the 5-1-3 of compression chamber, in order to measure briquetting pressure, in order to control the size of feeding coal.The blade 5-1-7 that wherein pressurizes is exchangeable pressurization blade.Two are all adopted " main shaft+roller shell " formula design to pressure roller 5-1-9, and wherein main shaft can forever use, and can change roller shell, thereby realize purpose that pressure roller is convenient for changing, and then have strengthened the dependability of equipment and the whole useful life that has prolonged equipment.Exchangeable pressurization blade is inventor's initiative, and external shape and the common screw blade of this exchangeable pressurization blade are similar, and it is installed in screw press axle 5-1-2 by bolt and other jockeys that can get loose; The use of this pressurization blade 5-1-7 has greatly prolonged the reusable number of times of pressurization charging gear, and then has greatly reduced monthly or annual production consuming cost.
The shaped device 5-2 of former 5 is provided with two pressure rollers and hydraulic protector; be by hydraulic pump hydraulic oil to be squeezed into hydraulic cylinder; make piston produce axial displacement; the front connector of piston rod withstands on the bearing block and produces the pressure requirement to satisfy; when charging between two pressure rollers too much or when entering metal derby; hydraulic cylinder piston rod pressurized overload; hydraulic pump can be shut down, thereby accumulator has changed cushioning effect, overflow valve to pressure and opened oil return, piston rod displacement and the slit is strengthened make hard thing pass through pressure roller; system presses recovers normal, can protect pressure roller not damage.This shaped device 5-2 can adjust pressure according to the requirement of pressure ball density, produce maneuverability, can be used for suppressing coal dust, iron powder, coking coal, aluminium powder, iron filings, iron scale, carbon dust, powdered carbon, slag, gypsum, mine tailing, mud, kaolin, active carbon, various powder such as breeze, powder, waste material, waste residue, be widely used in anti-material, power plant, metallurgical, chemical industry, the energy, transportation, industries such as heating, material after shaping mechanism is done moulding, energy-conserving and environment-protective, be convenient to transportation, improve the utilization rate to waste material, had good economic benefit and social benefit.
Figure 11 shows that the device of forming press-roller adjusting pressure size, it comprises movable axle bearing 5-2-1, pre-tightening apparatus 5-2-2, wedge block 5-2-3, the pre-tightening apparatus of small formed unit is that bolt holds out against, the pre-tightening apparatus of large-scale shaping machine set is that hydraulic jack holds out against, adjustment process is the downward top of pre-tightening apparatus 5-2-2 wedge block 5-2-3, the contact-making surface of wedge block 5-2-3 and movable axle bearing 5-2-1 is the clinoplain that certain angle is arranged, wedge block 5-2-3 moves downward the horizontal movement of horizontal direction that can be converted into movable axle bearing 5-2-1, thereby realizes two pressure adjustment between the pressure roller.
The above; only be the preferable specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the embodiment of the invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (10)
1. extrusion forming system, it is characterized in that: it comprises pressurization charging gear (5-1), shaped device (5-2) and forced synchronism reductor (5-3), shaft coupling (5-4), frame (5-5), bearing block (5-6) and frequency control motor, frequency control motor provides power to shaped device, pressurization charging gear (5-1) flows to shaped device (5-2) with granular material, shaped device (5-2) and shaft coupling (5-4), bearing block (5-6) is installed on the frame (5-5), the power that frequency control motor provides reaches two pressure roller shaft in the shaped device through forced synchronism reductor (5-3) by shaft coupling (5-4), and bearing block (5-6) is arranged on the both sides of shaped device (5-2);
Wherein, described pressurization charging gear comprises material bin, screw press device and compression chamber, material bin is used for storing the mixed flow drying material, and the mixed flow drying material is exported to the screw press device, and the screw press device is used for by helical orbit being pressurizeed in mixed flow drying mass transport to compression chamber; Material bin the first half is the transportation section, and material bin the latter half is for there being the pressure feed stage.
2. extrusion forming according to claim 1 system, wherein said forced synchronism reductor is the forced synchronism cylindrical gear reducer.
3. extrusion forming according to claim 1 system is characterized in that, pressurization charging gear (5-1) also comprises cylindrical shell, and cylindrical shell surrounds whole pressurization charging gear, and cylindrical shell is the thickness unanimity up and down, and its structure is to make up along the central axis dissection type.
4. extrusion forming according to claim 3 system, it is characterized in that, the screw press device comprises the screw press axle, the screw press axle comprises conveying blade (5-1-4), pressurization blade (5-1-7), main shaft (5-1-5), and wherein conveying blade (5-1-4) and pressurization blade (5-1-7) all detachably are installed on the main shaft (5-1-5); Pressurization blade (5-1-7) is exchangeable pressurization blade.
5. extrusion forming according to claim 1 system is characterized in that shaped device (5-2) comprises two pressure rollers that are oppositely arranged; Two pressure rollers are positive column type pressure roller.
6. extrusion forming according to claim 4 system is characterized in that the screw press axle is driven by frequency control motor, through the cycloidal planetary gear speed reducer transmission, drives the conveying blade rotation, and material is sent into cylindrical shell; The diameter of pressuring shaft is up-thin-low-thick design, thereby spatial variations in the change cylindrical shell, namely this space is up big and down small, thereby the material that enters this space is progressively pressurizeed in the process that the pressurization blade promotes downwards, to be pressed material to force to be pressed into the compression chamber like this, be entered moulding between two pressure rollers.
7. extrusion forming according to claim 1 system, the charging gear (5-1) that wherein pressurizes also comprises pressure sensor (5-1-8), pressure sensor (5-1-8) is installed on the inwall of compression chamber (5-1-3), in order to measure briquetting pressure, in order to control the size of feeding coal.
8. extrusion forming according to claim 5 system is characterized in that, two pressure rollers (5-1-9) all adopt the design of " main shaft+roller shell " formula, and wherein main shaft can forever use, and can change roller shell.
9. extrusion forming according to claim 1 system; wherein shaped device (5-2) is provided with two pressure rollers and hydraulic protector; by hydraulic pump hydraulic oil is squeezed into hydraulic cylinder; make piston produce axial displacement; the front connector of piston rod withstands on the bearing block and produces the pressure requirement to satisfy; when charging between two pressure rollers too much or when entering metal derby; hydraulic cylinder piston rod pressurized overload; hydraulic pump can be shut down; accumulator has changed cushioning effect to pressure; overflow valve is opened oil return; the slit increasing makes hard thing pass through pressure roller between pressure roller thereby the piston rod displacement makes; system presses recovers normal, can protect pressure roller not damage.
10. extrusion forming according to claim 9 system, it is characterized in that, the device or the holding device that also comprise forming press-roller adjusting pressure size, the device that forming press-roller is regulated the pressure size comprises movable axle bearing, pre-tightening apparatus and wedge block, adjustment process is the downward top of pre-tightening apparatus wedge block, the contact-making surface of wedge block and movable axle bearing is the clinoplain that certain angle is arranged, wedge block move downward the horizontal movement of horizontal direction that can be converted into the movable axle bearing, thereby realize two pressure adjustment between the pressure roller; The pre-tightening apparatus of small pressurized formation system is that the pre-tightening apparatus of bolt holding device or large-scale extrusion forming system is the hydraulic jack holding device.
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| CN105666932B (en) * | 2016-03-18 | 2016-08-31 | 孙涛 | Straw precise forming extruder and seedling medium stalk board extruding production |
| CN107828455B (en) * | 2017-11-08 | 2024-07-05 | 安徽上元家居材料股份有限公司 | Production line for producing irregular plate and utilizing excess materials |
| CN111604122B (en) * | 2020-05-26 | 2021-07-23 | 佛山兴技源科技有限公司 | Consumable component with structured ceramic tile plate in a mill, roller press and method for making same |
| CN111892826B (en) * | 2020-07-24 | 2022-01-04 | 中国科学院山西煤炭化学研究所 | Furfural residue block material, preparation method and application |
| CN113248110B (en) * | 2021-05-25 | 2022-08-12 | 唐山市环保机械工程有限公司 | Crawler-type efficient continuous electroosmosis sludge dewatering device and method |
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Address after: Daodi Town, Lunan District, Tangshan City, Hebei Province Patentee after: Tangshan Shenzhou Machinery Group Co.,Ltd. Address before: 063001 Hebei province Tangshan City Fengnan rice triangle Tang No. six South Road Patentee before: Tangshan Shenzhou Manufacturing Co.,Ltd. |
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Denomination of invention: A Pressure Forming System Granted publication date: 20130717 Pledgee: Bank of China Tangshan Branch Pledgor: Tangshan Shenzhou Machinery Group Co.,Ltd. Registration number: Y2024980017741 |