Barrate type grilling trash remover
Technical field
The present invention relates to the water treatment mechanical field of removing contamination, relate in particular to grilling trash remover.
Background technology
Barrate type grilling trash remover is widely used in the intake of facilities such as sewage treatment plant, drinking water intake, large hydropower station, lake, river comprehensive administration project, rainwater water drainage and sewage pump station, this equipment is with water source intake floating thing and deposit Salvage and Wreck Removal, and dirt extracted dehydration, discharge the compression back.
As shown in Figure 1 and Figure 2, existing Barrate type grilling trash remover is mainly by the Barrate type grilling assembly 1 in about 1/3 zone of front end, and the conveying compression section assembly 2 and the outside cleaning device 15 that are arranged in about 2/3 zone, rear end are formed.As the equipment axis, this screw conveyor shaft 7 drives by the motor 10 that is installed in the end Barrate type grilling trash remover with the screw conveyor shaft 7 that runs through entire equipment length; The Barrate type grilling assembly 1 of front end is provided with grid rotary drum 4 and at the transfer hopper 5 of rotary drum inside, grid rotary drum 4 is connected on the screw conveyor shaft 7 with bearing 3 in the end, the rotation that two-wheel support assembly 16 by as shown in Figure 2 and the single-wheel support assembly of both sides 18 are realized around screw conveyor shaft 7, what need further specify is: the radial alignment shown in Fig. 2 is not the spoke of rotary drum inside, but be connected the triangle muscle support of drum head, rotary drum inside does not have spoke, and the rotation of rotary drum is the rotation around screw conveyor shaft 7 that realizes by the single-wheel support assembly 18 of two-wheel support assembly 16 and both sides.The conveying compression section assembly 2 of middle rear end mainly comprises screw conveyor shaft 7, conveyance conduit 8, is positioned at terminal blowdown outlet 11 and drainpipe 13.Whole drum formula grilling trash remover is installed in the water channel of intake front portion by after-poppet sub-assembly 12 and preceding adjustable support 14.
The cell structure in grid rotary drum 4 outsides such as axial view Fig. 4 and radial view are shown in Figure 5, form by outside twine 20 and support rod 21, support rod 21 is along many axial parallel rectangle crossbeams of rotary drum, and twine 20 is centered around the trapezoidal metal strand in support rod 21 outsides for spiral, the section of twine 20 is trapezoidal, and the section of support rod 21 is a rectangle.Support rod 21 and twine 20 form grid, in order to the dirt in the filtered water.
As shown in Figures 2 and 3, in grid rotary drum 4 arranged outside fixing outside cleaning device 15 and fixing hairbrush 17 are arranged, these two sub-assemblies all run through the axial length of rotary drum, wherein outside cleaning device 15 as shown in Figure 6, support 22,25 with both sides is installed the water pipe 24 that runs through the whole drum axial length on the support 22,25, have a plurality of all apart from the nozzle 23 that distributes on the water pipe 24, be connected with magnetic valve 9 by the water pipe among Fig. 16, control the input of flushing water by magnetic valve 9.Hairbrush 17 is fixed on the frame, the grid lateral surface of its bristle contact rotary drum.
As shown in Figure 7, screw conveyor shaft 7 mainly is made up of the helical blade 27 on axle 26 and the axle 26.
When reality was used, as shown in Figure 1, Barrate type grilling trash remover made it become 35 degree to be installed in the water channel with horizontal plane by installing and regulate fore-stock sub-assembly 14 and back adjustable support 12.Sewage is from rouse according to WI direction signal inflow as shown in Figure 1 the end of rotary drum, and the grid seam that passes through the rotary drum side flows out, flow out sewage as WO direction signal among Fig. 1, dirts such as the suspension in the water, floating thing are owing to can not stay rotary drum inside by grid simultaneously; Grid rotary drum 4 is under the driving of motor 10, with certain speed rotation, the dirt of rotary drum inside is rotated the top that drives the grid rotary drum, under the effect of self gravitation, dirt drops among the transfer hopper 5 of rotary drum inside, the screw conveyor shaft 7 that is positioned at the bucket bottom of transfer hopper 5 is involved in dirt, and the conveying compression section of rear end in being delivered to by screw, and dirt is extracted dehydration and compression in conveyance conduit 8; The water that is squeezed out is discharged by drainpipe 13, when dirt is transported to end, discharges from blowdown outlet 11, transports through conveyer.
Cleaning to grid is to guarantee the normal effectively important process of operation of equipment, and the obstruction of grid not only can cause the minimizing of water flowing flow, and rotary drum weight is increased, and motor load is big during operation, the big even device damage of energy resource consumption., size various owing to dirt types such as suspension, floating thing in the sewage differs greatly, and for the dirt of large-size, adopts this Barrate type grilling trash remover better to realize removing contamination; But near the dirt in grid aperture plate gap, then embed the grid aperture plate for size extremely easily, cause the obstruction of aperture plate, be difficult to the work of finishing drainage and removing contamination.Therefore, as Fig. 1, Fig. 2 and shown in Figure 6, existing Barrate type grilling trash remover is provided with fixing outside cleaning device 15 of a cover and fixing hairbrush 17, in the time of drum rotating, magnetic valve 9 control flushing waters are delivered to outside cleaning device 15 by water pipe 6, form water jets under high pressure by nozzle 23 and carry out jet douche, and hairbrush 17 can brush the dirt between the grid gap, thereby reach the cleaning purpose from the lateral surface of rotary drum.
But in actual use, find that this cleaning method can not effectively clean grid.On the one hand, only spray from the outside and clean and can not well remove dirt, because the directionality that dirt embeds, can not the be fixed injection water of direction of a part of dirt cleans up; And the inside of grid does not have cleaning equipment, is difficult to finish the cleaning requirement of inner grid; On the other hand, for the soft elongated dirt of material, as fabric fibre, pasture and water cauline leaf, it is as easy as rolling off a log to be wrapped on the twine 20 of trapezoidal cross-section, and staggered winding on a plurality of trapezoidal cross-sections, no matter be outside cleaning assembly or hairbrush, all be very difficult to remove.
In addition, after long-term the use, the medial surface of conveyance conduit 8 produces a lot of deposits, to a lot of resistance of spiral lifting generation of dirt, has influenced the service efficiency of equipment.
Summary of the invention
At twining flexible banded dirt on the grid of Barrate type grilling trash remover in the prior art easily, outside washer jet can not well clean grid, grid inside and conveyance conduit madial wall are difficult to clean, the problems such as efficient is low of removing contamination, and a kind of rational in infrastructure, the Barrate type grilling trash remover that provide with higher cleaning efficiency.
The technical solution adopted in the present invention is as follows:
A kind of Barrate type grilling trash remover, with the screw conveyor shaft is the equipment axis, described screw conveyor shaft comprises rotating shaft, install helical blade on the rotating shaft, rotating shaft is connected with power set, front end at screw conveyor shaft is provided with the Barrate type grilling assembly, is provided with in middle rear end to carry the compression pipe assembly, at grid rotary drum arranged outside outside cleaning device; Described Barrate type grilling assembly comprises the drum iron that is connected with screw conveyor shaft by bearing, and filtering grid is installed on the drum iron, and the transfer hopper of filtrate, and described grid is made of medial support rib and outside aperture plate; Described conveying compression pipe assembly comprises the conveyance conduit that is connected with support, and conveyance conduit is provided with blowdown outlet and drainpipe, and the transfer hopper of conveyance conduit and described filtrate is connected; Described outside cleaning device comprises the support of both sides, water pipe and the nozzle that is installed on the water pipe; The outside aperture plate of described grid is a woven wire, and the medial support rib is a porous metals sheet material, and described outer wire mesh is coated on inboard porous metals sheet material outside, forms double-deck grid.
The woven wire mesh diameter of Barrate type grilling trash remover is 1-5mm.
The porous metals sheet material thickness of Barrate type grilling trash remover is 2-5mm, preferred 3mm.
The arranged outside of the grid woven wire of Barrate type grilling trash remover has the mobile cleaning device of following structure: comprise that two ends are connected in the support at both ends, grid rotary drum outside, parallel device leading screw and limit shaft on the support, one end of leading screw is connected with decelerator and motor, by screw connection sliding shoe is arranged on the leading screw, sliding shoe and limit shaft are slidingly connected, washer jet is installed on the sliding shoe, washer jet is connected with the water source by water pipe and magnetic valve, and the both sides of described sliding shoe are provided with limit switch.
The inboard of the grid woven wire of Barrate type grilling trash remover is provided with the fixedly washer jet assembly of the following structure of a cover: the support that comprises both sides, on the support in axial direction device water pipe, nozzle is installed on the water pipe, support is connected with the two ends of Barrate type grilling assembly respectively, and described water pipe is connected with the water source by magnetic valve.
The lateral means of the helical blade outer rim of Barrate type grilling trash remover has hairbrush.
The present invention adopts the double-deck cell structure of inner support rib and outer wire mesh, not only guaranteed the density of grid, guaranteed simultaneously the intensity of grid again, the advantage of this grid has been to avoid to adopt the outside twine of trapezoidal cross-section, and the more smooth woven wire of employing outer surface, with the winding of avoiding soft banded dirt and the accumulation of other dirts, can effectively prevent the obstruction of grid, reduce the workload of cleaning grid.
The outer side shifting washer jet that the present invention adopts can be under cleaning requirement be too high situation, opens the outer side shifting washer jet assembly single injector that moves in circles separately and cleans, and can save great amount of water resources, the reduction energy resource consumption.
The inboard that the present invention adopts is washer jet fixedly, cooperates fixedly washer jet of the outside, can carry out comprehensively to grid in outside cleaning, remedied the defective that existing equipment can not clean grid rotary drum madial wall.
The spiral hairbrush that the present invention increases on helical blade can carry out automatic cleaning action to the madial wall of carrying compression pipe, remedied the defective that existing equipment can not clean the insides of pipes wall.
In sum, the present invention is by the technological improvement of many places for existing Barrate type grilling trash remover, a kind of rational in infrastructure, Barrate type grilling trash remover with higher cleaning efficiency is provided, effectively widened the scope of application of equipment, improved the operating efficiency of equipment, reduced the operation energy consumption of equipment, had remarkable economical and be worth and social value.
Description of drawings
Fig. 1 is the front view of existing Barrate type grilling trash remover, broken section;
Fig. 2 is that the A-A of Fig. 1 is to cross sectional view;
Fig. 3 be the B of Fig. 1 to view, broken section;
Fig. 4 is the C place enlarged drawing of Fig. 1;
Fig. 5 is the D-D cross-sectional view of Fig. 4;
Fig. 6 is the cutaway view of the outside cleaning assembly of existing Barrate type grilling trash remover;
Fig. 7 is the part drawing of the screw conveyor shaft of existing Barrate type grilling trash remover;
Fig. 8 is a front view of the present invention, broken section;
Fig. 9 is that the E-E of Fig. 8 is to cross sectional view;
Figure 10 is the F place enlarged drawing of Fig. 8;
Figure 11 is the G-G cross-sectional view of Figure 10 of amplification;
Figure 12 is that the H of Figure 11 is to view;
Figure 13 moves the front view of washer jet assembly for the present invention;
Figure 14 is the component drawings of screw conveyor shaft of the present invention;
Figure 15 is a spiral hairbrush scheme of installation of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, specify architectural feature of the present invention.
As Fig. 8 and shown in Figure 9, the present invention is the equipment axis with screw conveyor shaft 7, screw conveyor shaft 7 is connected with power set motor 10, front end at screw conveyor shaft is provided with Barrate type grilling assembly 1, be provided with conveying compression pipe assembly 2 in middle rear end, at grid rotary drum 4 arranged outside outside cleaning device 15; Barrate type grilling assembly 1 comprises the drum iron that is connected with screw conveyor shaft 7 by bearing 3, and filtering grid is installed on the drum iron, and the transfer hopper 5 of filtrate; Carry compression pipe assembly 2 to comprise the conveyance conduit 8 that is connected with support, conveyance conduit 8 is provided with blowdown outlet 11 and drainpipe 13, and conveyance conduit 8 is connected with the transfer hopper 5 of described filtrate; Outside cleaning device 15 is identical with prior art structure shown in Figure 6 among Fig. 9, sees Fig. 6, and it comprises the support 22,25 of both sides, water pipe 24 and a plurality of nozzles 23 that are installed on the water pipe 24, and support 22,25 is connected with the two ends of Barrate type grilling assembly 1 respectively.
The present invention improves the structure of grid aperture plate, the problem that is easy to twine flexible banded dirt with the twine that prevents trapezoid cross section, original outside: as shown in figure 10, grid of the present invention is by being made up of outside aperture plate 32 and support rod 33, wherein outside aperture plate 32 is the woven wire that is similar to screen window that fine and closely woven lines are as shown in figure 12 represented, the aperture plate silk directly is 0.5mm, can choose in the 1-5mm scope according to the classification mesh aperture that filters dirt; The support rod 33 of aperture plate 32 inside, the outside as shown in figure 12, it be the porous expanded metals that the 3mm metallic plate punching forms, and rolls into the tubular that is looped around all sides of rotary drum as shown in figure 11, and welds at seam crossing.So just form the inner support rib 33 of tubular and the double-decker of outside aperture plate 32, both guaranteed the finer and closely woven grid gap of silk screen, the outside, remedied the defective of the undercapacity of outside silk screen simultaneously again with the inner support rib.The advantage of this aperture plate has been to avoid to adopt the outside twine of trapezoidal cross-section, and adopts the more smooth woven wire of appearance, with the winding of avoiding soft banded dirt and the accumulation of other dirts.
The present invention is except being equipped with fixing outside cleaning device 15, also increased the outer side shifting cleaning device 30 of a cover: because grid has carried out above-mentioned improvement, the interior outside is difficult for causing the winding and the accumulation of dirt, therefore, the cleaning amount is less, under the less water environment of dirt, needn't open all the time the outside fixedly cleaning device 15 clean, do not need hairbrush 17 to brush dirt yet, only need to increase the mobile cleaning device of a cover.As shown in Figure 8, a side of magnetic valve 9 being installed in the stage casing of Barrate type grilling trash remover increases by a cover magnetic valve 31.As shown in Figure 9, at fixing hairbrush 17 positions of original equipment, adopt the mobile cleaning device 30 of a cover to replace hairbrush 17.As shown in figure 13, the structure of mobile cleaning device 30 is as follows: comprise the leading screw 36 that runs through the whole drum axial length and limit shaft 35 in parallel, support 41,42 by both sides is fixing, and support 41,42 is fixed on the position of hairbrush original on the rotary drum outrigger 17 by diagonal brace shown in Figure 9 43.Sliding shoe 37 and leading screw 36 are to be threaded, and the upper end is a track with limit shaft 35 simultaneously.One end of leading screw 36 is connected with decelerator with motor 34, so the rotation of leading screw 36 is converted into the rectilinear motion of sliding shoe 37.Limit switch 38 is installed in sliding shoe 37 both sides, when sliding shoe 37 rectilinear motions during to left and right sides extreme position, is triggered limit switch 38, control circuit is motor 34 counter-rotatings, thereby realizes the linear reciprocating motion of sliding shoe 37.Nozzle 39 is installed on the sliding shoe 37, and is connected with magnetic valve 31 by water pipe 40, by magnetic valve 31 controls and output flushing current, to nozzle 39 formation High-Pressure Waters, in order to wash grid from the outside.Under cleaning requirement was not too high situation, opens solenoid valve 31 and motor 34 separately cleaned from the outside to the grid single injector that moves in circles by mobile cleaning device 30, can save a large amount of flushing water resources, reduce energy resource consumption.
The present invention overlaps internal fixation washer jet assembly in the inner increase by of grid rotary drum: after equipment has moved a period of time, perhaps in the bigger water environment of amount of contaminants, not only need from outside cleaning grid, and the inside of grid needs to clean too, therefore the present invention increases cover internal fixation washer jet assembly 44 as shown in Figure 9 in grid rotary drum inside.Fixedly the washer jet assembly is identical with the existing outside shown in Figure 6 for the concrete structure of internal fixation washer jet assembly 44, the just simple shape that changes the both sides fixed head, with water pipe with a plurality ofly all be installed in rotary drum inside apart from the nozzle that distributes, water pipe runs through the axial length of grid rotary drum, the oral area of nozzle outwardly, the inject high pressure current wash grid from inside to outside.Fixing internal washer jet 44 in interior location setting shown in Figure 9 can not influence rotatablely moving of rotary drum.Flushing water by magnetic valve 9 control and input is transported to fixedly cleaning assembly 15 of inner washer jet assembly 44 and the outside by water pipe.When needs clean, open magnetic valve 9, the outside is comprehensively cleaned in can carrying out grid, dead angle and blind area when avoiding one-sided outside current to clean.
In addition, as Figure 14, shown in Figure 15, side in blade 27 outer rims of screw conveyor shaft 7, hairbrush 45 has been installed, hairbrush 45 has the holder 50 of bristle part 49 and bristle, and in the same side of helical blade 27 outer rims or ipsilateral is not fastened on bristle holder 50 on the base plate 46 by top board 47, cushion block 51 and screw 48 every base plate 46 that is threaded the hole of certain angle welding, and guarantee that after being mounted to conveyance conduit 8, bristle 49 can contact the inner tubal wall of conveyance conduit 8.Such structure can be so that during helical blade 27 rotation, and the hairbrush 45 of blade edge has automatic cleaning action for pipeline 8, by the rotation madial wall of cleanser conduit 8 fully.
More than describing is explanation of the invention, is not that institute of the present invention restricted portion is referring to claim to the qualification of invention, and under the situation of spirit of the present invention, the present invention can do any type of modification.