Background technology
At present, pump lifts the preprocessor and equipment of water after known coarse rack：Elevator pump water outlet is in the water outlet of pump upper endMouth enters concrete buffer distribution reservoir, enters back into concrete fine fack pond body, and dirt-blocking dirt-cleaning, grid water outlet warp are completed by gridLonger concrete canal current stabilization enters rotational flow grit chamber, by sediment by rotational flow desanding system desanding, desanding device【Containing air blower,Sediment by rotational flow mixer, gas, sandpipe road】Or horizontal-flow grit chamber puies forward sand equipment【Sand pump, running vehicle type sand sucker, sediment outflow pipeline】It is completeInto girt-water separation is completed by driven sand water separator；There is gate to be used for overhaul of the equipments before and after grid pond body, setting pot；GridStitch less fine grid to be generally located on after fine fack, and cleaning water lines, pressure water pump must be configured to complete gridCleaning.
The following defect of existing cleaning grille pond ontological existence：
General grid grid seam is all more than 3 millimeters, it is impossible to intercept the slag thing of 1 millimeter or less size；Moisture content of slagging tap is high；Liquid level difference is larger before and after big flow fine filtering grid, cross that grid current speed is larger, slag thing extruding grid seam power is larger, remove difficulty compared withGreatly；Grid members hydraulic pressure load is big when grid blocks serious, and grid cost is high；Need to match somebody with somebody when configuring big flow small gap gridPut pressure wash water pump, water pipe and annex；
Utility model content
The purpose of this utility model is that a kind of structure is more reasonable, the more preferable cleaning grille pool structure of effect of removing contamination.
The utility model solves the technical scheme that its technical problem used：A kind of cleaning grille pool structure, including latticeGrid pond body, grid pond body left part upper end is provided with water inlet, is provided with it and is divided into grid intake chamber and gridGrid cylinder is provided with the two-part baffle plate of effluent trough, grid effluent trough, grid cylinder is provided with the air flushing device being adapted to it；GearThe circular hole that grid cylinder water inlet end is adapted is provided with plate, the water inlet end of grid cylinder and water side are provided with for sealed intensive hairBrush；Grid cylinder is internal to be axially provided with the slag groove being adapted to it, and slag groove upper end is higher by grid cylinder inner horizontal；Set in slag grooveHave and be provided with one group of helical blade on the central shaft coaxial with grid cylinder, central shaft；Grid pond bodies top device has for drivingThe drive device that central shaft and grid cylinder are rotated；The discharge end of slag groove extend out to grid pond body exterior from grid cylinder water side；LatticeWater level control apparatus is additionally provided with the body of grid pond.
Further, grid trench bottom sets grid discharge bay, and grid cylinder is arranged on above grid discharge bay, set between the twoIt is equipped with division board；Grid cylinder both sides are each provided with the grid overflow launder that a bottom is connected with grid discharge bay, grid overflow launderSide close to grid cylinder is provided with the lifting weir plate that bottom and division board are adapted；Division board, lifting weir plate, in grid pond bodyWall, baffle plate coordinate the aqua storage tank that composition and grid cylinder are adapted；It is provided with grid intake chamber 24 for monitoring its interior water levelFloating body, water level control apparatus be balance-type type lever construction, its one end suspension floating body, other end suspension lifting weir plate.
In order that the moisture content for obtaining slag is lower, slag trench bottom sets drainage orifice plate, and grid pond body outer wall is located at slagWater receiving tank is provided with below groove end, the residue outlet that the connection of slag groove end is tilted upward, residue outlet is connected with dreg-accepting hopper.
Further, in addition to air blower, airflow pipeline component and PLC control cabinet；Air blower passes through airflow management componentCouple with the pipeline of air flushing device；Airflow pipeline component is by tracheae, magnetic valve, regulating valve, check valve set into check-valves isMicro- resistance diaphragm type structure, magnetic valve is outdoor type.Control cabinet and air blower, magnetic valve, the drive device connection of grid cylinder, controlCase is the outdoor type field control case with PLC module.
In order that obtaining grid cylinder filter effect more preferably, the filtration fraction of grid cylinder filters the circular hole that bore dia is not less than φ 1 for onePlate filter cylinder, or the smaller filter cloth in gap, screen, filter screen.
The beneficial effects of the utility model：Grid cylinder depth immersion, filter area is big, easy slag dumping cleaning.Low-pressure air is cleanedWithout flushing pressure source water water pumping pipe, reduced investment, operation energy consumption are low；The water level control apparatus of balance-type type lever construction formula ensuresDepth immersion is consistent inside and outside grid, and grid hydraulic pressure load is small, running resistance is small, low cost.PLC control cabinet ensures that equipment is long-term certainlyDynamic operation.
Below with reference to drawings and examples, the utility model is described in detail.
Embodiment, a kind of cleaning grille pool structure as shown in Figure 1, 2, including grid pond body 8, grid pond body 8 are leftPortion upper end is provided with water inlet, and grid pond body 8 is to be provided with to be divided into the rectangular cell body of a level, grid pond body 8Grid cylinder 7 is provided with grid intake chamber 24 and the two-part baffle plate 26 of grid effluent trough 25, grid effluent trough 25, grid cylinder 7 is setThere is the air flushing device being adapted to it；The circular hole that grid 7 water inlet ends of cylinder are adapted, the water inlet end of grid cylinder 7 are provided with baffle plate 26It is provided with water side for sealed intensive hairbrush；The inside of grid cylinder 7 is axially provided with the slag groove 27 being adapted to it, slag groove27 upper ends are higher by grid 7 inner horizontals of cylinder；Be provided with slag groove 27 with grid 7 coaxial central shafts 28 of cylinder, set on central shaft 28There is one group of helical blade 29；The top arrangement of grid pond body 8 has the drive device 6 for driving central shaft 28 and grid cylinder 7 to rotate；The discharge end of slag groove 27 is extend out to outside grid pond body 8 from 7 water sides of grid cylinder；Water level is additionally provided with grid pond body 8Adjusting means 5.The filtration fraction of grid cylinder 7 is smaller for a circular hole slab filter cylinder of the filtering bore dia not less than φ 1, or gapFilter cloth, screen or filter screen.Grid 7 one end inner inlet external supports of cylinder are on the sprocket wheel of suspension, center connection central shaft 28, anotherEnd inner circle is supported on ternary roller, and there is intensive hairbrush sealing at 7 two ends of grid cylinder of rotation, prevents (water inlet in grid cylinder 7End) slag thing is leaked to grid cylinder 7 outer (water side)；The filter area of filter cylinder 80% is simultaneously by current, and filter area is big, flow velocityLow, slag thing extruding hole power is small, easy cleaning slag dumping, and filter cylinder rotates around horizontal middle spindle 28, is higher by water surface top and conducts oneself with dignity by slag thingCenter slag groove 27 is fallen into low-pressure air slag dumping outside cylinder.
Grid trench bottom sets grid discharge bay 30, and grid cylinder 7 is arranged on the top of grid discharge bay 30, is provided between the twoDivision board 31；7 both sides of grid cylinder are each provided with the grid overflow launder 32 that a bottom is connected with grid discharge bay 30, grid overflowGroove 32 is provided with the lifting weir plate 33 that bottom and division board 31 are adapted close to the side of grid cylinder 7；Division board 31, lifting weir plate33rd, the inwall of grid pond body 8, baffle plate 26 4 coordinate the aqua storage tank 35 that composition and grid cylinder 7 are adapted；Set in grid intake chamber 24The floating body 34 for monitoring its interior water level is equipped with, water level control apparatus 5 is balance-type type lever construction, and its one end hangs floating body 34,Other end suspension lifting weir plate 33.The height of rotational flow grit chamber 1 is lower than standard pool shape by 20%, and the water inlet end of rotational flow grit chamber 1 entersWater pipe connection lifting water pump outlet pipe, the depth of water of aqua storage tank can at least cover the grid cylinder filter area of grid cylinder 80%.Grid overflow launder32 are welded on 7 both sides of grid cylinder, and aqua storage tank 35 ensure that grid cylinder 7 depth immersion.Lifting weir plate 33 is symmetrically distributed in 7 both sides of grid cylinderEach one group, it is made up of stainless steel strip plate weld reinforcement, gib block etc., center upper end is hinged with the pull bar of water level control apparatus 5, twoSplaying, which coordinates, to be arranged in guide groove.The lifting connection water-level control apparatus of weir plate 33 ensures the immersion for having maximum inside and outside grid cylinder 7Depth.So that grid filtration area is maximum, while reducing grid 7 hydraulic pressure load of cylinder, so as to reduce the two ends rotary shaft carrying of grid cylinder 7Lotus, improves service life.
The one end of central shaft 28 is arranged on the body end plate of slag groove 27 by radial thrust bearing, along welding in helical blade 29Outer is supported on bushing on central shaft 28.Bearing is big clearance adjusting center self-lubrication ceramic rolling bearing or MC nylon axlesHold, the former energy consumption is lower, dust-proof and rubber seal is installed at bearing, prevent water from entering slag groove 27, even if there are a small amount of leakages canDischarged by water receiving tank 37.Drive device 6 is the double Chain conveyer of soaking type, and double strand chain can reduce sprocket active force, soaking type chainIt is driven water lubrication reduction frictional heating.The synchronous driving grid cylinder 7 of drive device 6 and central shaft 28.
The bottom of slag groove 27 sets drainage orifice plate, and the outer wall of grid pond body 8, which is located to be provided with below the end of slag groove 27, to be connectTank 37, the residue outlet 36 that the connection of the end of slag groove 27 is tilted upward, residue outlet 36 is connected with dreg-accepting hopper.The bottom of water receiving tank 37Portion and water inlet pipe connect；The delivery port that grid discharge bay 30 is connected with.Slag groove 27, helical blade 29, central shaft 28, MC nylonBushing, drainage orifice plate, water receiving tank 37, residue outlet 34 etc. constitute squeezer.
This cleaning grille pool structure also includes air blower 17, airflow pipeline component and PLC control cabinet；Sand；Air blower 17 leads toAirflow management component is crossed with the pipeline of air flushing device to couple；Airflow pipeline component by a plurality of tracheae, magnetic valve, regulating valve,Check valve set is into check-valves is micro- resistance diaphragm type structure, and magnetic valve is outdoor type.Control cabinet and air blower 17, magnetic valve, gridThe drive device 6 of cylinder 7 couples, and control cabinet is the outdoor type field control case with PLC module.
Air blower 17 is displacement blower 17, and power 2.2KW, flow, pressure fully meet grid backwash requirement, becauseThe numerous circular holes in grid excessively stream speed bottom are not easily blocked, through overtesting：Even if thering are a large amount of rubbish such as hair to press close to circular hole slab, due to takingBridge effect, influences little to grid inflow-rate of water turbine, except the slag thing such as non-adhesive soil, even if during completely plugged 2/3 filter bores of grid,Grid filtration head also only has 60mm, therefore the grid actual available machine time uses 1 with downtime:4 distribution fully meet normalWork, i.e. grid working time 12 minutes per hour, are subdivided into more than 6 working cycles, i.e., each circulation is started shooting shutdown in 2 minutes8 minutes.And carry sand water lift and synchronously complete according to previous experiences and theoretical calculation, work per hour 6 minutes, segment two worksCirculate, i.e., shut down 27 minutes within 3 minutes per task.Selected air blower 17 fully meets complete machine and uses required air supply requirement.
The casing stainless steel of control cabinet, by be pre-designed or field adjustable setting programme-control air blower 17, electricityMagnet valve, grid 7 motor automatic runnings of cylinder.
Operation principle：
Balance lever formula structure automatic water level adjusting means 5, it is ensured that grid area of passage is close to its total filter area80%, reduce grid current speed to greatest extent, and while setting downflow weir to ensure that water-head is minimum inside and outside grid cylinder 7, reduce grid 7 hydraulic pressure of cylinderLoad.Grid cylinder 7 uses diameter 1mm circular hole screen plates, because filter area is big, crosses that grid current speed is low to be not easily blocked, is rushed using low-pressure airWash+brush+gravity slag dumping.The helical conveying squeezer of grid 7 synchronous rotaries of cylinder is by slag thing level, conveying squeezing obliquely, slags tapMoisture content is low.Squeezer filter water blooming piece check-valves is recycling.PLC field control case programme-control air blower 17, electromagnetismThe whole automatic circulating operation such as valve, motor.
Compared with the prior art, it is characteristic of the invention that：Depth soaking type grid, filter area are big, grid current speed excessively is low, latticeThe loss of flood peak is small before and after grid；Movable downflow weir+hydraulic automatism regulation water level device ensures the outer depth immersion of grid cylinder 7, grid 7 hydraulic pressure of cylinderLoad is low；Using gravity+brush+low-pressure air slag dumping cleaning filter cylinder, energy consumption is low, without configuring pressure water source and pipeline.
The utility model is exemplarily described above in association with accompanying drawing.Obviously, the utility model is implemented notLimited by aforesaid way.As long as employ the various unsubstantialities that method design of the present utility model and technical scheme are carried outImprovement；Or it is not improved, above-mentioned design of the present utility model and technical scheme are directly applied into other occasions, at thisWithin the protection domain of utility model.