CN205310531U - Dry powder mortar production line based on pneumatic slide valve packs - Google Patents
Dry powder mortar production line based on pneumatic slide valve packs Download PDFInfo
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- CN205310531U CN205310531U CN201520878835.7U CN201520878835U CN205310531U CN 205310531 U CN205310531 U CN 205310531U CN 201520878835 U CN201520878835 U CN 201520878835U CN 205310531 U CN205310531 U CN 205310531U
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- 239000000843 powder Substances 0.000 title claims abstract description 109
- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 57
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 43
- 239000000463 material Substances 0.000 claims abstract description 68
- 238000003756 stirring Methods 0.000 claims abstract description 64
- 239000004576 sand Substances 0.000 claims abstract description 57
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 239000000203 mixture Substances 0.000 claims abstract description 21
- 238000002156 mixing Methods 0.000 claims description 54
- 238000005303 weighing Methods 0.000 claims description 52
- 239000006052 feed supplement Substances 0.000 claims description 14
- 239000000945 filler Substances 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 10
- 241000272165 Charadriidae Species 0.000 claims description 7
- 238000004364 calculation method Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 11
- 239000002994 raw material Substances 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000008569 process Effects 0.000 description 7
- 238000003860 storage Methods 0.000 description 6
- 238000004806 packaging method and process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000237509 Patinopecten sp. Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 235000020637 scallop Nutrition 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000012056 semi-solid material Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The utility model relates to a dry powder mortar production line based on pneumatic slide valve packs, lay in storehouse, powder storehouse, dry sand week roll -over, lifting machine, powder metering mechanism, sand metering mechanism, mix mixer and packagine machine including dry sand, dry sand deposit storehouse pass through the lifting machine with dry sand week roll -over is connected, the powder storehouse corresponds respectively with dry sand week roll -over and is connected powder metering mechanism and sand metering mechanism form raw materials conveying unit, powder metering mechanism, sand metering mechanism's output and mixed mixer are connected, mix the output of mixer and connect machine in bulk and packagine machine. Beneficial effect does: the utility model provides a dry powder mortar production line adopts mixture, the stirring of tertiary formula for the misce bene of material and efficient, the energy consumption low, the metering method adopts the pulling force sensing and adopts the container timing measurement of fixing the volume, but the deviation automatic correction reaches the accurate effect of ratio.
Description
Technical field
The present invention relates to mortar to produce, particularly relate to a kind of dry powder mortar production line based on Pneumatic gate valve filler.
Background technology
Powder mortar is a kind of novel environmental-friendly construction material in China, and its superior performance is widely recognized as, but at home also in the initial development stage, production technology is ripe not enough. Current dry powder mortar production line adopts discontinuous to produce, mix homogeneously but efficiency is low, energy consumption is high; Metering method adopts spiral metering or Weighing, and measurement deviation cannot automatically be revised and cause proportioning to be forbidden. When powder is weighed, all adopting feed supplement spiral to meter hopper filler, easy airborne dust causes the pollution of environment.
Summary of the invention
Present invention aim to overcome that the deficiency of above prior art, it is provided that a kind of energy-conserving and environment-protective, efficiency is high and proportioning precisely and can realize the dry powder mortar production line of continuous metering, mixing, specifically has techniques below scheme to realize:
Described dry powder mortar production line, including dry sand reserving chamber, filler bin, the roll-over of dry sand week, elevator, powder metering mechanism, sand metrological service, mixing and blending machine, bulk machine and packer, described dry sand reserving chamber is connected with described dry sand week roll-over by elevator, described filler bin and the roll-over of dry sand week are connected respectively described powder metering mechanism and sand metrological service, form feedstock transportation unit; Powder metering mechanism, sand metrological service outfan be connected with mixing and blending machine, the outfan of mixing and blending machine connects described bulk machine and packer; Described powder metering mechanism includes bracing frame, pull bar, weighing hopper, conveyor screw and Pneumatic gate valve, described weighing hopper is suspended on bracing frame by least two pull bars, and described conveyor screw connects with the delivery outlet of weighing hopper and input port respectively with Pneumatic gate valve.
The design further of described dry powder mortar production line is in that, described mixing and blending machine is connected to preposition barrel and rearmounted conveyor screw, form a mix and blend unit, blanking dividing plate it is provided with in described barrel, described blanking dividing plate is arranged in barrel alternately along blanking direction, the input of described barrel is connected with powder metering mechanism, sand metrological service respectively, and the outfan of described barrel is connected with the input of mixing and blending machine.
The design further of described dry powder mortar production line is in that, described barrel is basic cylindrical shape and upper and lower end is respectively equipped with charging aperture and discharging opening, described blanking dividing plate includes some peak shape material baffles and bucket shape material baffle, described peak shape material baffle and bucket shape material baffle are arranged on the axis direction of described barrel up and down alternately, and a peak shape material baffle forms the unit that gathers materials with the bucket shape material baffle being arranged on below this material baffle.
The design further of described dry powder mortar production line is in that, described peak shape material baffle is set to truncated cone-shaped, described bucket shape material baffle is set to the bucket of cone, and described peak shape material baffle is connected with described cylinder lumen at least through three positioning bars being disposed radially with the male cone (strobilus masculinus) of bucket shape material baffle.
The design further of described dry powder mortar production line is in that, described conveyor screw includes case, drives axle, helical blade and puddler, described case is arranged along the axial direction driving axle, and charging aperture and discharging opening it is respectively provided with in the front-end and back-end of helical blade conveying direction, this charging aperture is connected with the discharging opening on blender housing, and discharging opening is connected with described packer; Described driving axle is rotatably supported in case, and described helical blade is helically disposed on driving axle, and described puddler one end is affixed on the driving shaft.
The design further of described dry powder mortar production line is in that, described puddler one end is fixed in the center driving the axle each pitch of opposed helical blade, and the other end is connected to stirring paddle; The periphery of described helical blade is r/4-r/2 from cylinder inboard wall, and wherein r is the internal diameter of case.
The design further of described dry powder mortar production line is in that, described sand metrological service includes metering disk and is arranged on the feedboard of this metering disk upper end, described metering disk is provided with some little storehouses of uniform metering, described feedboard is provided with charging aperture, this gating location is corresponding with measuring little storehouse, and along metering disk movement locus directional spreding.
The design further of described dry powder mortar production line is in that, described powder metering mechanism also includes pulling force sensor and PLC, described sensor is arranged between bracing frame and weighing hopper and metrical information is transferred to PLC by timing, PLC carries out correlation computations according to described metrical information and setting value, and the rotating speed of conveyor screw and the rotation of feed supplement spiral is controlled according to result of calculation, make mortar conveying keep setting flow; Described powder metering mechanism also includes the motor being subject to PLC to control, and the rotating shaft of this motor is connected with the rotating shaft of metering disk, makes the mortar metering that powder metering conveying mouth completes to fill the little storehouse of each metering in the stroke that relative charging aperture moves inject.
The design further of described dry powder mortar production line is in that, the built on stilts mechanism of anti-powder it is provided with in described weighing hopper, this mechanism includes stirring motor, stirring shaft, connecting plate, the first agitator arm and the second agitator arm, described stirring motor is arranged on weighing hopper upper end, stirring shaft is connected with the rotating shaft of stirring motor and makes this stirring shaft be in weighing hopper center, connecting plate is connected on stirring shaft, and some first agitator arms and the second agitator arm are connected on connecting plate and stirring shaft.
The design further of described dry powder mortar production line is in that, in described weighing hopper, corresponding stirring shaft terminal position is provided with stirring shaft supporting device, this mechanism includes support ring and at least three supporting bars, described support ring is arranged on the center of the interior corresponding stirring shaft end of weighing hopper, three supporting bars are distributed on support ring outer circumference surface and one end is connected one end and is connected with weighing hopper inner chamber with support ring, and stirring shaft final drive is connected in support ring.
Advantages of the present invention is as follows:
Dry powder mortar production line provided by the invention adopts the mixing of three grades of formulas, stirring, aggregate tube, mixing and blending machine and conveyor screw three complete equipment combine, it is achieved that three mixing of material.With conventional mixer the difference is that mixed process continuously performs, mix relatively uniform, improve the production efficiency of dry powder and mortar largely; On the other hand, a complete set of equipment power consumption is only about 15kw, and energy consumption is low. In metering method: sandstone adopts metering disk to carry out volume weighing, and metering disk is made the little storehouse of some meterings being distributed along its movement locus, charging aperture is also distributed along movement locus simultaneously, ensure in the identical time, to fill each metering little storehouse sand, thus ensureing, with constant volume, substantial amounts of sandstone is carried out fast volume weighing, by this sandstone proportion obtained before, just the sandstone of flowing continuously can be carried out more accurate weight weighing; And for weighing relatively small powder, the present invention carries out weight weighing with the weighing hopper being suspended to bracing frame, and in time the weighing scale value of perception is transferred to PLC by pulling force sensor, by PLC, the variable of sensor transmissions is carried out correlation computations, by the open and close of the rotating speed of conveyor screw and feed supplement spiral are controlled, ensure that conveyor screw carries set amount powder within the unit interval, it is thus possible to the powder of flowing continuously is measured accurately.
Accompanying drawing explanation
Fig. 1 is the structural representation of dry powder mortar production line system provided by the invention.
Fig. 2 is the structural representation of mix and blend unit.
Fig. 3 is the structural representation of barrel.
Fig. 4 is the structural representation of conveyor screw.
Fig. 5 is the structural representation of powder metering mechanism.
The top view of the structural representation of powder metering mechanism shown in Fig. 6 Fig. 5.
Fig. 7 is the close-up schematic view at pulling force sensor place in Fig. 5.
Fig. 8 is the structural representation of the built on stilts mechanism of anti-powder in described sand metrological service.
Fig. 9 is the structural representation of sand metrological service.
Figure 10 is the top view of the structural representation of sand metrological service shown in Fig. 9.
Figure 11 is the top view (lid is connected to feedboard) of the structural representation of sand metrological service shown in Fig. 9.
Figure 12 is the tower arrangement mode of dry powder mortar production line system.
Figure 13 is the tower station mode for cloth of dry powder mortar production line system.
In figure, 1-feedstock transportation unit, 11-dry sand reserving chamber, 12-elevator, 13-dry sand week roll-over, 14-filler bin, 15-powder metering mechanism, 151-bracing frame, 152-weighing hopper, 153-sensor mechanism, 1531-sensor, 1532-pull bar, 154-conveyor screw, 155-Pneumatic gate valve, 156-covers, the anti-built on stilts mechanism of 157-, 1571-stirring motor, 1572-stirring shaft, 1573-connecting plate, 1574-the first agitator arm, 1575-the second agitator arm, 1576-support ring, 1577-supports bar, 16-sand metrological service, 161-upper mounted plate, 162-bottom plate, 163-metering disk, 1631-measures little storehouse, the rotating shaft of 1632-metering disk, 164-motor, the rotating shaft of 1641-motor, 165-feedboard, 1651-powder metering mechanism charging aperture, 2-mix and blend unit, 21-barrel, 211-bucket shape dividing plate, 212-peak shape dividing plate, 213-positioning bar, 214-hopper mouth, 22-mixing and blending machine, 23-conveyor screw, 231-case, 232-drives axle, 233-helical blade, 234-puddler, 235-stirring paddle, 3-packer.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention program is described in detail.
The dry powder mortar production line that the present embodiment provides, is made up of as it is shown in figure 1, main dry sand reserving chamber 11, filler bin 14, dry sand week roll-over 13, elevator 12, powder metering mechanism 15, sand metrological service 16, mixing mixing and blending machine 22 and packer 3.Dry sand reserving chamber 11 is connected with dry sand week roll-over 13 by elevator 12. Filler bin and the roll-over of dry sand week are connected respectively described powder metering mechanism and sand metrological service, form feedstock transportation unit. Powder metering mechanism, sand metrological service outfan be connected with mixing and blending machine, the outfan of mixing and blending machine connects described packer.
This continuous way dry powder mortar production line is when running, and sandstone enters dry sand week roll-over 13 through elevator 12. Powder is then by feed supplement helical feed to filler bin 14, Jin Guosha metrological service 16 and powder metering mechanism 15 carry out accurate weighing respectively again for both, enter mixing mixing and blending machine 22 again through conveyor screw 154 and be sufficiently mixed stirring, complete the production process of this dry powder and mortar.
Mixing and blending machine 22 is connected to preposition barrel and rearmounted conveyor screw, forms a mix and blend unit, referring to Fig. 2. Barrel 21, mixing and blending machine 22 and conveyor screw 23 are sequentially connected with, and operationally material sequentially enters barrel 21, mixing and blending machine 22 and conveyor screw 23.
The top of barrel is respectively arranged with four charging apertures 214. The bottom of barrel is provided with the discharging opening of. It is bucket-shaped that cylinder 1 shrinks formation relative to the barrel of discharge outlet. Four charging apertures 214 of barrel are respectively connected to dry sand, cement, flyash, four kinds of materials of densification powder, and various materials are affected by gravity, and naturally fall, sequentially pass through blanking dividing plate, finally discharge from the discharging opening of barrel.
Blanking dividing plate is made up of at least two peak shape material baffle 211 and 212 two kinds of dividing plates of bucket shape material baffle. Peak shape material baffle 211 and bucket shape material baffle 212 are arranged on the inwall of barrel 21, and as it is shown in figure 1, peak shape material baffle 211 and bucket shape material baffle 212 are crisscross arranged.
Further design is in that, one piece of peak shape material baffle is arranged on the lower section of one piece of bucket shape material baffle, forms the unit that gathers materials. The unit that gathers materials in the present embodiment is two. As it is shown on figure 3, two unit that gather materials are set in turn in the inwall of barrel from high to low.
Specifically, peak shape material baffle 211 is a conical surface, the formation peak shape that center raises up. Bucket shape material baffle is the inverted cone surface with centre bore, in bucket shape. The conical surface periphery of peak shape material baffle and bucket shape material baffle is provided with four positioning bars 213 being radially arranged along a horizontal cross-section. Peak shape material baffle by positioning bar 213 realize with material tube inner wall affixed. The upper edge of bucket shape material baffle is welded on the inwall of barrel, and realizes the reinforcing with material tube inner wall by positioning bar 213.
The barrel for mixed powder mortar that the present embodiment provides, by setting up blanking dividing plate at material tube inner wall, increase material fall time, and by peak shape dividing plate, being crisscross arranged of bucket shape dividing plate, realize the mixing and concourse of material, dispersion, the process that converges again, material is mixed fully, and the follow-up mixing for material is laid a good foundation, and is typically used as the preposition mixing plant of material stirring.
The mixing and blending machine 22 of the present embodiment is agravic mixing and blending machine. This blender is provided with the screen cloth (for drawing in figure) of pivoting corresponding to blender charging aperture, and when material falls, this screen cloth is under the effect that material is conducted oneself with dignity, pivoting.
Conveyor screw 23 is main to be made up of case 231, driving axle 232, helical blade 233 and puddler 234, referring to Fig. 4. Axle 232 is driven to be rotatably supported on the axle center of case 231. Helical blade 233 is fixed on driving axle 232 spirally.Consider that material is in propelling movement process, owing to the moisture distribution of material is uneven, easily occur that segregation phenomenon stirs, affixed on axle 232 mix bar 34 driving. Further, puddler 234 is relative to driving axle lateral ends to be connected to stirring paddle 35, for increasing the stirring intensity of puddler so that boring stirring more fully, more efficiency. The periphery of helical blade is r/4-r/2r from cylinder inboard wall, and wherein r is the internal diameter of case. In the present embodiment, the periphery of the helical blade spacing from cylinder inboard wall is 3/r.
During conveyor screw work, material is after the mouth input of gathering materials of conveying spiral side, and drive shaft turns drives the helical blade driven on axle, promotes semi-solid material to be threadingly advanced. In propelling movement process, the puddler with stirring paddle is driving the radial direction stirring that material is synchronized of axle so that material is more uniform.
The mix and blend unit of the dry powder mortar production line that the present embodiment provides is combined by barrel, blender and conveyor screw three complete equipment, it is achieved that three mixing of material. With conventional mixer the difference is that mixed process continuously performs, mix relatively uniform, improve the production efficiency of dry powder and mortar largely. On the other hand, a complete set of equipment power consumption is only about 15kw.
Such as Fig. 1, the powder metering mechanism 15 of the present invention and sand metrological service 16, it is respectively used to each powder to composition mortar and sandstone carries out continuously accurate weighing.
Such as Fig. 5-8, the powder metering mechanism of weighing device of the present invention is mainly made up of bracing frame 151, weighing hopper 152, sensor mechanism 153, pull bar 1532, conveyor screw 154 and Pneumatic gate valve 155. Wherein weighing hopper 152 is suspended on bracing frame 151 by two pull bars 1532, and conveyor screw 154 connects with the delivery outlet of weighing hopper 152 and input port respectively with Pneumatic gate valve 155. Owing to realizing the conveying of powder either directly through the folding controlling Pneumatic gate valve 155.
Powder metering mechanism 15 is additionally provided with pulling force sensor 1531 and PLC, sensor 1531 is arranged between bracing frame 151 and weighing hopper 152 and metrical information is transferred to PLC by timing, and PLC is set the powder upper weight limit value Mmax and powder lower weight limit value Mmin of feed flow V, weighing hopper according to the operation principle of PLC; Described correlation computations includes: calculated the current feed flow Vd of mortar by current variable Md, current feed flow Vd and the comparison setting transportation flow value V calculate, compare the result of calculating by this, control the rotating speed of conveyor screw 154, make mortar conveying keep setting flow; The comparison of current variable Md and powder upper weight limit value Mmax and powder lower weight limit value Mmin calculates, and when Md≤Mmin, feed supplement spiral 155 works, and starts feed supplement, until completing feed supplement during Md=Mmax, makes mortar conveying keep setting flow. Powder metering is made to export continuously.
Weighing hopper 152 in powder metering mechanism is formed by cylinder and the cone cylinder being connected to this cylinder bottom, the outer circumference surface of cylinder is evenly equipped with three engaging lugs, it is connected by pull bar 1532 and pulling force sensor 1531 between bracing frame 151 and each engaging lug on weighing hopper 152, and makes weighing hopper be suspended on bracing frame by pull bar.
The upper end of the top cylinder of weighing hopper 152 is provided with capping 26, realize the accurate measurement of powder, preventing impurity to be mixed into, be arranged on powder input port in this capping 26 and facing to feed supplement spiral 155 outfan, described delivery outlet is arranged on cone cylinder lower end the outfan facing to conveyor screw 25.
The built on stilts mechanism 157 of anti-powder it is additionally provided with, it is to avoid the adhesion in weighing hopper of powder, built on stilts, this mechanism includes stirring motor 1571, stirring shaft 1572, connecting plate the 1573, first agitator arm 1574 and the second agitator arm 1575 in weighing hopper. Stirring motor 1571 is arranged on weighing hopper 152 upper end, stirring shaft 1572 is connected with the rotating shaft of stirring motor 1571 and makes this stirring shaft be in weighing hopper center, connecting plate is connected on stirring shaft, and some first agitator arms 1574 and the second agitator arm 1575 are connected on connecting plate and stirring shaft.
Being provided with stirring shaft supporting device with fixing stirring shaft 1572 at stirring shaft 1572 terminal position, reach the purpose of fixing stirring shaft 1572, this mechanism includes support ring 1576 and three supporting bars 1577. Support ring 1576 is arranged on the center of the interior corresponding stirring shaft end of weighing hopper 152, and three supporting bars 278 are distributed on support ring 1576 outer circumference surface, and one end is connected with support ring 1576, and the other end is connected with weighing hopper 152 inner chamber. Stirring shaft end is by being rotatably connected in support ring 1576.
In described supporting device, being fixed on by stirring motor 1571 in described capping 26, the center of described capping 26 is provided with hole, and stirring shaft 1572 upper end being in weighing hopper center is connected through this hole with motor shaft. It is connected by a flexible pipe (for drawing in figure) between this hole with feed supplement spiral 155.
Two diverse locations on stirring shaft 1572 are respectively equipped with first agitator arm the 1574, second agitator arm 1575. Wherein the first relative stirring shaft 1572 of agitator arm 1574 is symmetrically arranged on lower surface and the side, two ends of connecting plate 1573, and perpendicular horizontal plane is distributed; And second agitator arm 1575 one end is vertically connected on and is arranged on stirring shaft bottom, its connecting portion is to be distributed on stirring shaft outer circumference surface along the hand of spiral, and the stirring of powder so can be made more fully with uniform.
Connecting plate 1573 is designed to rectangular slab that is vertical and that be symmetrically connected to stirring shaft, and two relative stirring shafts of bracing piece 278 for fixed connecting plate are symmetrical tilting in rectangular slab upper end, and upper and lower end is connected with stirring shaft and rectangular slab respectively.
In above-mentioned powder metering mechanism, powder enters weighing hopper 152 by feed supplement spiral 155, the quality of inputted powder is sensed by pulling force sensor 1531, and feed back to PLC control system, PLC system is compared by the quality upper limit value M max and lower limit Mmin of the powder quality Md of sensor feedback Yu setting, and as Md≤Mmin, feed supplement spiral 155 is performed continuously over powder input, until Md=Mmax, feed supplement spiral 155 quits work. While feed supplement spiral 155 carries out powder carry, conveyor screw 154 carries out the output of powder with flow V1, the same time, PLC control system automatically gathers, feeds back the instantaneous feed flow V1 of spiral, and compare with the setting flow V of PLC, as V1<during V, conveyor screw accelerates, as V1>V, conveyor screw slows down, it is ensured that conveyor screw conveying capacity within the unit interval maintains steady state value V. To complete powder carry process. In powder carry process, the agitator arm in weighing hopper 152 constantly stirs, it is prevented that the adhesion of powder, built on stilts.
Such as Fig. 9-11, sand metrological service 16 is main by metering disk 163, and 12 are measured little storehouse 1631, and feedboard 165 and charging aperture 1651 form. Wherein feedboard 165 is arranged on the upper end of metering disk 163, metering disk 163 is provided with the little storehouse 1631 of some uniform meterings, on feedboard 165, it is provided with charging aperture 1651 simultaneously, charging aperture 1651 position is corresponding with measuring little storehouse 1631, and along metering disk 163 movement locus directional spreding, simultaneously in order to the maximum amount of injection sandstone, charging aperture 1651 is arranged to mounting hole or the scallop hole of circumferentially directional spreding.
This sand metrological service is additionally provided with the motor 164 controlled by PLC, the rotating shaft 1641 of this motor is connected with the rotating shaft 1632 of metering disk, making the mortar metering that sand metering conveying mouth completes to fill the little storehouse of each metering in the stroke that relative charging aperture moves inject, injecting in the ratio set thus reaching sandstone.
In above-mentioned sand metrological service, metering disk 163 uniform rotation, the little storehouse 1631 of circumferential each metering is continuously injected into sandstone by charging aperture 1651 by sandstone, and ensure that measuring little storehouse sandstone fills in the injection length set, motor 164 is controlled by PLC, change the rotating speed of metering disk 163, constant volume due to the little storehouse of each dosage, so injecting the sandstone constant volume in each little storehouse, can pass through to measure sandstone density, determine the sandstone weight in the little storehouse of each dosage, therefore can pass through to control the rotating speed of metering disk 163, reach to control the purpose of measurement of sandstone weight output, ensure that the ratio of sandstone and powder exports.
The layout of equipment of the mortar production line that the present embodiment provides can be divided into tower with standing posture both of which. As shown in figure 12, tower dry powder mortar production line is also known as a stepwise mortar production line, and design mortar raw material (except the dry sand that consumption is maximum) is all pre-stored in main building top, and material is from top to bottom through metering, mixing, finished product preservation and packaging. The maximum feature of this form is that Flow of Goods and Materials is smooth and easy, and the succinct floor space of equipment is relatively small. Powder material is by air conveying, and dry sand is sent in storehouse by bucket elevator; Bottom raw material cabin, with conveying worm, material is fed weighing in the weighing hopper being arranged under warehouse, enter back into mixer and mix. The mortar product mixed respectively enters packaging or bulk system. The bulk machine that can be directly in bulk enters bulk vehicle, it is also possible to again rise to the entrucking again of finished product warehouse. Packaged unit is that mortar is introduced into packaging week roll-over, is packaged into bag then through packer.
Equipment mainly configure include storing, metering, mixing, packaging, in bulk, gather dust and the system such as automatically control, except dry sand storage tank, other equipment all adopt the mode of longitudinal stack to arrange, highly general about 27 meters. Due to height and raw material storage capacity, steel construction partial amount is relatively larger, thus cost is relatively large.
As shown in figure 13, the dry powder mortar production line of standing posture layout, it is that raw material warehouse is moved to ground above mixer, thus arranges also referred to as two rank. Powder storage warehouse is placed on the main building top that the side of the main building installing mixer, additive storehouse and the roll-over of sand week are placed, and raw material metering is arranged on above mixer. Cement and flyash are measured from storage warehouse conveyer to raw material by spiral, and dry sand first sends into bucket elevator by belt feeder, then by machine bucket elevator second lift to sand quantifier. After metering the same with tower layout enter mixing, bag/in bulk.
Standing posture layout dry powder mortar production line, powder material also passes through air conveying storage of putting in storage, and due to height reduction and arranged apart with main building, reduces load capacity and the main building construction height of main building steel construction, thus can reduce construction investment. The design parameter difference of two kinds of layouts is as shown in table 1.
Table 1
Claims (10)
1. based on the dry powder mortar production line of Pneumatic gate valve filler, it is characterized in that including dry sand reserving chamber, filler bin, the roll-over of dry sand week, elevator, powder metering mechanism, sand metrological service, mixing and blending machine, bulk machine and packer, described dry sand reserving chamber is connected with described dry sand week roll-over by elevator, described filler bin and the roll-over of dry sand week are connected respectively described powder metering mechanism and sand metrological service, form feedstock transportation unit; Powder metering mechanism, sand metrological service outfan be connected with mixing and blending machine, the outfan of mixing and blending machine connects described bulk machine and packer; Described powder metering mechanism includes bracing frame, pull bar, weighing hopper, conveyor screw and Pneumatic gate valve, described weighing hopper is suspended on bracing frame by least two pull bars, and described conveyor screw connects with the delivery outlet of weighing hopper and input port respectively with Pneumatic gate valve.
2. dry powder mortar production line according to claim 1, it is characterized in that described mixing and blending machine is connected to preposition barrel and rearmounted conveyor screw, form a mix and blend unit, blanking dividing plate it is provided with in described barrel, described blanking dividing plate is arranged in barrel alternately along blanking direction, the input of described barrel is connected with powder metering mechanism, sand metrological service respectively, and the outfan of described barrel is connected with the input of mixing and blending machine.
3. dry powder mortar production line according to claim 2, it is characterized in that described barrel is basic cylindrical shape and upper and lower end is respectively equipped with charging aperture and discharging opening, described blanking dividing plate includes some peak shape material baffles and bucket shape material baffle, described peak shape material baffle and bucket shape material baffle are arranged on the axis direction of described barrel up and down alternately, and a peak shape material baffle forms the unit that gathers materials with the bucket shape material baffle being arranged on below this material baffle.
4. dry powder mortar production line according to claim 3, it is characterized in that described peak shape material baffle is set to truncated cone-shaped, described bucket shape material baffle is set to the bucket of cone, and described peak shape material baffle is connected with described cylinder lumen at least through three positioning bars being disposed radially with the male cone (strobilus masculinus) of bucket shape material baffle.
5. dry powder mortar production line according to claim 2, it is characterized in that described conveyor screw includes case, drives axle, helical blade and puddler, described case is arranged along the axial direction driving axle, and charging aperture and discharging opening it is respectively provided with in the front-end and back-end of helical blade conveying direction, this charging aperture is connected with the discharging opening on blender housing, and discharging opening is connected with described packer; Described driving axle is rotatably supported in case, and described helical blade is helically disposed on driving axle, and described puddler one end is affixed on the driving shaft.
6. dry powder mortar production line according to claim 2, it is characterised in that described puddler one end is fixed in the center driving the axle each pitch of opposed helical blade, and the other end is connected to stirring paddle; The periphery of described helical blade is r/4-r/2 from cylinder inboard wall, and wherein r is the internal diameter of case.
7. dry powder mortar production line according to claim 1, it is characterized in that described sand metrological service includes metering disk and is arranged on the feedboard of this metering disk upper end, described metering disk is provided with some little storehouses of uniform metering, described feedboard is provided with charging aperture, this gating location is corresponding with measuring little storehouse, and along metering disk movement locus directional spreding.
8. dry powder mortar production line according to claim 7, it is characterized in that described powder metering mechanism also includes pulling force sensor and PLC, described sensor is arranged between bracing frame and weighing hopper and metrical information is transferred to PLC by timing, PLC carries out correlation computations according to described metrical information and setting value, and the rotating speed of conveyor screw and the rotation of feed supplement spiral is controlled according to result of calculation, make mortar conveying keep setting flow; Described powder metering mechanism also includes the motor being subject to PLC to control, and the rotating shaft of this motor is connected with the rotating shaft of metering disk, makes the mortar metering that powder metering conveying mouth completes to fill the little storehouse of each metering in the stroke that relative charging aperture moves inject.
9. dry powder mortar production line according to claim 8, it is characterized in that in described weighing hopper, being provided with the built on stilts mechanism of anti-powder, this mechanism includes stirring motor, stirring shaft, connecting plate, the first agitator arm and the second agitator arm, described stirring motor is arranged on weighing hopper upper end, stirring shaft is connected with the rotating shaft of stirring motor and makes this stirring shaft be in weighing hopper center, connecting plate is connected on stirring shaft, and some first agitator arms and the second agitator arm are connected on connecting plate and stirring shaft.
10. dry powder mortar production line according to claim 8, it is characterized in that in described weighing hopper, corresponding stirring shaft terminal position is provided with stirring shaft supporting device, this mechanism includes support ring and at least three supporting bars, described support ring is arranged on the center of the interior corresponding stirring shaft end of weighing hopper, three supporting bars are distributed on support ring outer circumference surface and one end is connected one end and is connected with weighing hopper inner chamber with support ring, and stirring shaft final drive is connected in support ring.
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| CN201520878835.7U CN205310531U (en) | 2015-11-05 | 2015-11-05 | Dry powder mortar production line based on pneumatic slide valve packs |
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| CN201520878835.7U CN205310531U (en) | 2015-11-05 | 2015-11-05 | Dry powder mortar production line based on pneumatic slide valve packs |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106113279A (en) * | 2016-08-30 | 2016-11-16 | 郑州三和水工机械有限公司 | A kind of dry mortar production method and production line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106113279A (en) * | 2016-08-30 | 2016-11-16 | 郑州三和水工机械有限公司 | A kind of dry mortar production method and production line |
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Effective date of registration: 20180420 Address after: 226600 Haian Development Zone, Jiangsu Province, the development of the road No. 188, No. Patentee after: JIANGSU CHENRI ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Address before: 226600 Haian Development Zone, Jiangsu Province, the development of the road No. 188, No. Patentee before: Xu Xianglai |
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