The slag cleaning device of ultra-fine grilling trash remover
The utility model relates to environmental protection equipment field, especially a kind of slag cleaning device of ultra-fine grilling trash remover.
Rotary grate trash is widely used in the intake of the facilities such as sewage treatment plant, drinking water intake, large hydropower station, lake, river comprehensive administration project, rainwater water drainage and sewage lifting pump station, the water surface is salvaged and be lifted out to this equipment by water source intake floating thing and deposit by filter screen sub-assembly, when the rotation of filter screen sub-assembly turns to top, dirt is poured in dirt hopper; Water channel current are by flowing to water purification region, rear portion after grid filtration.Disclosed equipment as shown in Figure 1 for the applicant's utility model patent " the anti-formula grilling trash remover that drags for of 201110192178.7---", this equipment was to be arranged in water channel road with larger inclination alpha=60～80 of horizontal plane degree, filter plate filter bores is larger, diameter is 2～12mm, is applicable to processing the filtration occasion that impurity diameter is large, the water surface is higher.If filter mesh is reduced, filter effect must improve, but can increase because of filtration resistance simultaneously, and water amount can reduce, therefore equipment need to be set level, as shown in Figure 2, to be arranged in water channel road as 20～60 degree with the less inclination alpha of horizontal plane, the screen area now contact with the water surface increases a lot, effectively improved filter area, with reference to Fig. 1 Fig. 2, filter area can be increased to S2 from S1, has compensated the water amount that reduces impact because of filter opening.In a few thing occasion, if need to adopt filter opening diameter, be the ultra-fine grid of 0.01～2mm, equipment must be obliquely installed with the little angle [alpha] of trying one's best.
The filter plate of rotary grate trash is arranged on the middle part between the chain of both sides, and chain, under drive sprocket drives, drives filter plate revolution.In existing equipment, conventionally adopt the chain of coarse pitch, pitch is about 200～300mm, and width and the chain link plate of filter plate are equal in length, and filter plate equates with the number of chain link, and so filter plate is easy to realize revolution at the top and bottom of equipment.The off-gauge coarse pitch of chain strip adoption, revolution sprocket wheel also needs to be customized to the nonstandard sprocket wheel of large chain link, and processing cost is larger, need to go again and produce separately accessory, complicated trouble during repair and replacement.And because pitch is large and nonstandard production, so fit tolerance is very large, chain rocks very large in when revolution, turns round unstable and easy de-chain chain jamming.
Because sprocket diameter is large, therefore whole equipment is thicker at thickness direction, as shown in Figure 2, the thickness t 2 of equipment is generally 600～800mm, filter plate while turning round due to device bottom is not participated in filtration, thereby the height of baffle plate H2 of water channel bottom is also than H1 increase, has caused reducing of discharge area, especially for the lower water channel of the water surface, effectively water amount significantly reduces.
In real work, because the filter screen of ultra-fine grid is very thin, impact resistance is poor, is easier to breakage, thereby maintain and replace is more frequent, and existing trash structure is difficult to fast assembling-disassembling and changes.And existing trash generally adopts the slag removal tools such as hairbrush to clean filter screen wire side, for ultra-fine filter screen, hairbrush bristle is difficult to enter mesh, thereby scarfing cinder effect is undesirable.
Utility model content
The applicant adopts after fine fack for above-mentioned existing grilling trash remover, easily stops up, and cleans the shortcomings such as difficulty, a kind of slag cleaning device of ultra-fine grilling trash remover rational in infrastructure is provided, thereby can fast and effeciently to ultra-fine grid, carries out scarfing cinder.
The technical scheme that the utility model adopts is as follows:
A kind of slag cleaning device of ultra-fine grilling trash remover, filter plate is cleaned, the material-falling hopper that comprises air knife sub-assembly, bath sub-assembly and bottom, after bath sub-assembly is positioned at air knife sub-assembly, the nozzle of air knife sub-assembly and bath sub-assembly is downward lower side filter plate after revolution all.
Further improvement as technique scheme: material-falling hopper is divided into slag-removing hopper and is rinsed bucket by dividing plate, slag-removing hopper is positioned at air knife sub-assembly below, rinse bucket and be positioned at bath sub-assembly below, rinse bucket bottom discharging tube is set, the anterior influent side of grilling trash remover is led in discharging tube outlet.
Slag cleaning device has also comprised water suction sub-assembly, and water suction sub-assembly is arranged on the upper side filter plate below before revolution, for the uncovered air intake suitable with filter plate length dimension, inhales box, and opening, towards filter plate, utilizes blower fan to aspirate and carries out negative pressure dehydration.
The beneficial effects of the utility model are as follows:
The air knife sub-assembly that slag cleaning device of the present utility model is series connection and bath sub-assembly, corresponding bottom utilizes baffle for separating for slag-removing hopper and flushing bucket, utilize high pressure wind-force and waterpower to clean the filter opening of ultra-fine grid filter screen, overcome the problem that hairbrush bristle is difficult to enter ultra-fine filter opening, can effectively to filtering surface, clean.The solid residue of the overwhelming majority washes away and falls in slag-removing hopper at deadweight and air pressure, and the finely ground particles of small part reenters filtration under sluicing; The Separation of Solid and Liquid afterflush water yield greatly reduces, and has reduced the load filtering, and has also guaranteed the quality of filtering.
Below the upper side filter plate of the utility model before revolution, be provided with water suction sub-assembly, utilize blower fan to carry out negative pressure suction dehydration to filter screen and wire side grid slag, removed the circulating water in grid slag, reduce the working strength that Liao Hou road solid phase grid slag is processed.
Accompanying drawing explanation
Fig. 1 is the setting angle schematic diagram of existing grilling trash remover.
Fig. 2 is the schematic diagram that existing grilling trash remover low-angle is installed.
Fig. 3 is grilling trash remover scheme of installation of the present utility model.
Fig. 4 is the front view of grilling trash remover of the present utility model.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is the partial enlarged drawing of Fig. 5.
Fig. 7 is the A portion enlarged drawing in Fig. 4.
Fig. 8 is the explosive view that filter plate of the present utility model is installed.
Fig. 9 is front view of the present utility model.
In figure: 1, frame; 2, filter plate; 3, sprocket wheel; 4, water suction sub-assembly; 5, chain link; 6, air knife sub-assembly; 7, bath sub-assembly; 8, slag-removing hopper; 9, dividing plate; 10, rinse bucket; 11, discharging tube; 12, water channel; 13, water fender; 14, high pressure positive blower; 15, drive motors; 20, sheet frame; 21, filter screen; 22, outlet pass; 23, circular hole; 24, bearing pin; 25, expansion sheet; 26, open slot.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described.
As shown in Figure 3, ultra-fine grilling trash remover is to be arranged on compared with in the water channel of low water level H 12 compared with small inclination α=20～60 degree, the utility model adopts the sprocket wheel chain that pitch is less to manufacture, can adopt the GB chain of 28A～48A, the present embodiment adopts the standard link 5 that pitch P is 50.8mm, the diameter of sprocket wheel 3 is 290mm, thereby the thickness t 3 of equipment can be reduced to 360mm.Due to device thickness attenuate, thereby at the bottom of canal, the height H 3 of water fender 13 can effectively reduce, thereby guarantees, under low-angle mounting condition, to provide larger filter area S3.
As shown in Figures 4 to 6, frame 1 is arranged in water channel 12 obliquely, many group filter plates 2 are installed between left and right two chains that are comprised of standard link 5, filter plate 2 is comprised of the filter screen 21 of sheet frame 20 and surface coverage thereof, filter screen 21 is ultra-fine filter opening, it is 0.01～0.5mm that the present embodiment is used filter opening diameter, and filter opening diameter can be increased to 5mm or larger according to actual needs certainly.The drive sprocket 3 that drive motors 15 drives is arranged on frame 1 top, and drive sprocket 3 drives left and right two chains revolutions, drives each filter plate 2 along track revolution, and dirt is promoted to frame 1 top and utilizes the slag cleaning device slag that falls from the upstream face of water channel 12.The bottom that frame 1 is positioned at water channel 12 is provided with water fender 13 at upstream face.
As shown in Figure 8, the width of each group filter plate 2 is the length of three chain links 5, offers some outlet passes 22 on the plate face of sheet frame 20, and filter screen 21 is coated on the plate face of sheet frame 20; On the left and right side flange of sheet frame 20, have former and later two hole slots, bearing pin 24 is from passing the centre bore of chain link 5 successively outside to inside, the open slot of last chain link 5 26 couples together two adjacent groups filter plate 2 with the circular hole 23 of a rear chain link 5; Every three adjacent chain link 5 centre bores are provided with a bearing pin 24.As shown in Figure 7, the object that open slot 26 is set is moving forward and backward of allowing that chain link 5 produces when the revolution of upper lower sprocket 3 places.In the present embodiment, open slot 26 is arranged on independently to be expanded on sheet 25, and expansion sheet 25 is fixed on the flanging side face of sheet frame 20.
As shown in Figure 9, slag cleaning device of the present utility model comprises at least one place air knife sub-assembly 6 and bath sub-assembly 7, and the material-falling hopper of bottom; The air knife sub-assembly 6 being connected with high pressure positive blower 14 is arranged near drive sprocket 3, and after bath sub-assembly 7 is positioned at air knife sub-assembly 6, the nozzle of air knife sub-assembly 6 and bath sub-assembly 7 is downward lower side filter plate 2 after revolution all.Material-falling hopper is divided into slag-removing hopper 8 and is rinsed bucket 10 by dividing plate 9, slag-removing hopper 8 is positioned at air knife sub-assembly 6 belows, rinse bucket 10 and be positioned at bath sub-assembly 7 belows, rinse bucket 10 bottoms discharging tube 11 is set, the anterior influent side of rotary grate trash is led in discharging tube 11 outlets.Filter residue is suggested after the water surface conventionally with a large amount of moisture content, because the slag-removing hopper 8 that reclaims solid phase is before reclaiming the flushing bucket 10 of liquid phase, the filter residue that water content is high can increase the working strength that rear road solid phase grid slag is processed, therefore below the upper side filter plate 2 of the utility model before revolution, be provided with water suction sub-assembly 4, water suction sub-assembly 4 is that the uncovered air intake suitable with filter plate 2 length dimensions inhaled box, utilize blower fan to aspirate, to the dehydration of grid slag on filter plate 2 and wire side in the lump negative pressure, to remove the circulating water in grid slag.
During real work, as shown in Figure 4, drive motors 15 drives drive sprockets 3 rotations, and drive sprocket 3 drives left and right two chains revolutions, drives each filter plate 2 along track revolution, and dirt is promoted to the frame 1 top slag that falls from the upstream face of water channel 12.First utilize 4 pairs of grid slags of water suction sub-assembly to carry out negative pressure dehydration, filter plate 2 is through drive sprocket 3 revolutions when reverse, and plate face grid slag falls under gravity into slag-removing hopper 8.Plate after revolution faces down, and through the gases at high pressure Jet with downward flow direction of air knife sub-assembly 6, the dirt of filter screen 21 remained on surface is blown down to be fallen in slag-removing hopper 8.Then filter plate 2 moves on through bath sub-assembly 7, bath sub-assembly 7 utilizes high-pressure injection current to spray the filter opening of filter screen 21, in the filter opening being swept away, residual dirt falls into and rinses bucket 10 together with flushing water, the anterior influent side that is expelled to rotary grate trash by discharging tube 11, flushing water is filtered by trash again.
More than describing is to explanation of the present utility model, is not the restriction to utility model, and without prejudice to the utility model spirit in the situation that, the utility model can be done any type of modification.