Summary of the invention
Main purpose of the present invention is to provide a kind of tube-type sewage water micro-filter processing equipment that is applied to Industrial Wastewater Treatment, and it has micro-filtrate membrane filtration and backwashing function, guarantees the product water effect of system and produces discharge.
For realizing above-mentioned purpose, the present invention adopts following technical scheme:
A kind of tube-type sewage water micro-filter processing equipment comprises a reactive tank, and sewage pipe road junction system is located at the first top notch of this reactive tank, makes in this reactive tank that sewage can form a maximum material suspension in it, plays the preliminary treatment effect; One thickener is used for concentrating sewage, further plays the preliminary treatment effect; This thickener is near above-mentioned reactive tank setting, so that sewage can enter in the thickener in the overflow mode in the reactive tank; Be provided with a drainage pipeline in this thickener bottom, this drainage pipeline end is provided with one first drain valve; One circulation power pump, its inlet channel system by T joint on above-mentioned drainage pipeline; One adopts the micro-filtration membrane pipe fitting of cross-flow filtration, and one is terminated on the outlet conduit of above-mentioned circulation power pump, and the other end is connected on the concentrate recirculation pipeline, and first floss hole of this concentrate recirculation pipeline is located at the second top notch of above-mentioned thickener; On this micro-filtration membrane pipe fitting, be connected with a water producing pipe road by three-way pipe; One cleans bumper post, and second floss hole in above-mentioned water producing pipe road is connected to this cleaning bumper post bottom, flows into from the bottom that this cleans bumper post so that produce water, flows out along the product water drainage pipeline that cleans the bumper post top; On this product water drainage pipeline, be provided with an intake valve group, so that the water that the enough compressed air of energy promotes in this cleaning bumper post flows; Also be provided with one on this product water drainage pipeline successively and produce a water solenoid valve and a product discharge probe, be connected to one in the water outlet end of this product water drainage pipeline by three-way pipe and produce a water discharge spout and a product water blow-down pipe, the drain of this product water blow-down pipe is located at the second top notch of above-mentioned thickener, above-mentioned product water discharge spout is provided with one second drain valve, is provided with an atmospheric valve and produce the water blow-down pipe.
Described reactive tank is provided with between thickener and guarantees current overflow cushioning fender stably.
Be equipped with one in the described thickener and prevent the two position controller that sewage overflows and the circulation power pump dallies in the groove.
Be provided with an outlet valve, a discharge pressure table on the outlet conduit of described circulation power pump successively and go out water regulating valve.
Be provided with a control valve and a sample valve on the described water producing pipe road successively.
Described intake valve group comprises that an air inlet magnetic valve and that inserts the compressed air mouth is connected in the breather check valve of air inlet magnetic valve, and this breather check valve is connected to and produces on the water drainage pipeline.
Be provided with a concentrated stream adjustable valve and a dense water oil pressure gauge on the described concentrate recirculation pipeline successively.
The invention has the advantages that and adopted micro-filtration membrane cross-flow filtration technology and cooperated the pipeline connection technology that cleans between bumper post, intake valve group, realize the automatic back-washing function of system with common operation, and used reactive tank early stage, thickener cooperates as the sewage preliminary treatment in the overflow mode, thus the product water effect of the system of assurance and product discharge.The present invention is widely used in the Industrial Wastewater Treatment field.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is further described.
As shown in Figure 1, a kind of tube-type sewage water micro-filter processing equipment comprises that a reactive tank 1, a thickener 3, a micro-filtration membrane pipe fitting 4, a circulation power pump 6 and clean bumper post 9, wherein:
Reactive tank 1, sewage pipe road junction 2 are to be located at this reactive tank 1 top notch 11, make sewage in it can form a maximum material suspension in this reactive tank, play the preliminary treatment effect; For example can add some medicament in this reactive tank 1, make to form maximum particle suspensions in the sewage, this will improve the filter efficiency of follow-up micro-filtration membrane pipe fitting 4 greatly.When system moved, the inflow of controlling this reactive tank 1 was suitable with system's aquifer yield.When system stops to produce water, close the water inlet of this reactive tank 1.
Thickener 3 is used for concentrating sewage, further plays the preliminary treatment effect; This thickener 3 is provided with near above-mentioned reactive tank 1, so that sewage can enter in the thickener 3 in the overflow mode in the reactive tank 1; Be provided with a drainage pipeline 31 in these thickener 3 bottoms, these drainage pipeline 31 ends are provided with a drain valve 311; Described reactive tank 1 is provided with overflow cushioning fender 12 between thickener 3, through guaranteeing the current stationarity.One two position controller 33 is installed in this thickener 3, when sewage quantity in this thickener 3 is higher than the highest liquid level of setting, will sends signal and stop follow-up circulation power pump 6 runnings, prevent that sewage overflows in the groove; When sewage was lower than the minimum liquid level of setting in this thickener 3, this controller 33 sent signal and stops 6 runnings of follow-up circulation power pump equally, prevented follow-up circulation power pump 6 idle running and damaged.Dense water in the system is to be back in this thickener 3, and through continuous circulating filtration, the sludge concentration in this thickener 3 will slowly raise, when arriving to a certain degree, need open muddy water drain valve 311, the concentrated muddy water of the part of draining is to guarantee the filter effect of follow-up micro-filtration membrane pipe fitting 4.
Circulation power pump 4, its inlet channel 41 are to be connected on the above-mentioned drainage pipeline 31 by three-way pipe 5; This circulation power pump 4 is sewage to be provided constantly circulation and part of contaminated water see through the power of micro-filtration membrane pipe fitting 4 in system.
Micro-filtration membrane pipe fitting 6, this is a kind of micro-filtration membrane that adopts cross-flow filtration, the nominal aperture of film is 0.05,0.1,0.5,5,10,20 micron, material is PVDF (polyvinylidene fluoride) material, can filter diameter effectively at the object more than 0.05 micron, this micro-filtration membrane pipe fitting 6 can be known publicly-owned technology, does not add at this and gives detailed description.Micro-filtration membrane pipe fitting 6 one is terminated on the outlet conduit 42 of above-mentioned circulation power pump 4, be provided with an outlet valve 421 on this outlet conduit 42 successively, a discharge pressure table 422 and goes out water regulating valve 423, wherein, outlet valve 421 is closed when circulation power pump 4 needs repairing, and system's operate as normal is opened often; Discharge pressure table 422 is measured the pressure of water inlet to micro-filtration membrane pipe fitting 6, and generally about 2~7Bar, intake pressure is low excessively to be, aquifer yield is not enough, does not reach due benefit, when too high, water water quality is produced in the excessive influence of aquifer yield, also may cause damage to micro-filtration membrane pipe fitting 6; This control valve 423 of intaking is realized producing the adjusting of hydrophone total inflow.The other end of micro-filtration membrane pipe fitting 6 is connected on the concentrate recirculation pipeline 7, and the floss hole 71 of this concentrate recirculation pipeline 7 is located at the top notch 32 of above-mentioned thickener 3; Be provided with a concentrated stream adjustable valve 71 and a dense water oil pressure gauge 72 on this concentrate recirculation pipeline 7 successively, this concentrated stream adjustable valve 71, can be realized producing the adjusting of discharge fixedly the time at flow of inlet water; This dense water oil pressure gauge 72, dense water pressure equates with atmospheric pressure during the clarifier operate as normal, has the pressure illustrative system to need to check if measure dense water pipe.On this micro-filtration membrane pipe fitting 6, be connected with a water producing pipe road 8 by three-way pipe 5.
Clean bumper post 9, it is made by the UPVC material; The floss hole 81 in above-mentioned water producing pipe road 8 is connected to this cleaning bumper post 9 bottoms, flows into from the bottom that this cleans bumper post 9 so that produce water, flows out along the product water drainage pipeline 91 that cleans bumper post 9 tops, so can make to remain full of the product water state in the post; Be provided with a control valve 82 and a sample valve 83 on this water producing pipe road 8 successively, so control valve 82 is opened often in system's operate as normal, closes in the time of need keeping in repair system; The sample valve 83 convenient product water that obtain when the clarifier operate as normal carry out water quality monitoring; On this product water drainage pipeline 91, be provided with an intake valve group 92, so that the water that can compressed air promote in this cleaning bumper post 9 flow, this intake valve group 92 comprises that an air inlet magnetic valve 921 and that inserts the compressed air mouth is connected in the breather check valve 922 of air inlet magnetic valve 921, and this breather check valve 922 is to be connected to produce on the water drainage pipeline 91; Also be provided with one on this product water drainage pipeline 91 successively and produce a water solenoid valve 911 and a product discharge probe 912, wherein, 922 of above-mentioned breather check valves allow compressed air to enter and produce water drainage pipeline 91, prevent to produce the current direction air inlet pipe; Air inlet magnetic valve 921 and the 911 common operations of product water solenoid valve realize the self-timing backwash of system, its backwash time decides on the water quality of pending water, when backwash, open air inlet magnetic valve 921, close and produce water solenoid valve 911, system opens when normally moving and produces water solenoid valve 911, closes air inlet magnetic valve 921; Above-mentioned product discharge probe 912 is realized The real time measure product discharge, sends signal when aquifer yield is lower than setting value, and system carries out 6 backwashes of micro-filtration membrane pipe fitting automatically; Be connected to one in the water outlet end of this product water drainage pipeline 91 by three-way pipe 5 and produce a water discharge spout 93 and a product water blow-down pipe 94, the drain 941 of this product water blow-down pipe 94 is located at the top notch 32 of above-mentioned thickener 3, above-mentioned product water discharge spout 93 is provided with a drain valve 931, is provided with an atmospheric valve 942 and produce water blow-down pipe 94.Produce water discharging valve 931 and realize producing closing of the mouth of a river; Produce water atmospheric valve 942, the closure that realizes blow-down pipe and water producing pipe be communicated with, system opens during operate as normal, realizes that the water producing pipe internal pressure equates with atmospheric pressure, can make circulation power pump 4 that the bigger product discharge of realization under the littler power is being provided like this.
As in conjunction with Fig. 2, Fig. 3, be the simple and easy principle schematic of the present invention; Sewage is introduced in the reactive tank 1, and the mode with overflow enters in the thickener 3 from reactive tank 1 then, and thickener 3 can discharge muddy water; The sewage of thickener 3 enters under the dynamic action of circulation power pump 6 in the micro-filtration membrane pipe fitting 6, forms two kinds of current then, and a kind of is to have seen through purifying waste water of micro-filtration membrane pipe fitting 6, promptly produces water; Another kind is the condensed water that does not see through micro-filtration membrane pipe fitting 6, promptly dense water, and it is trapped in the solid matter that film shows and plays very big effect washing away, and the cleaning that has kept film to show is to keep the normal flux of micro-filtration membrane pipe fitting 6.Above-mentioned dense water is back in the thickener 3 by pipeline again, enter in the cleaning bumper post 9 and produce water, when system needs backwash (when system's product discharge obviously reduces), compressible air enters in the water producing pipe water that promotes to clean in the bumper post 9 dense water surface B of the fast flow speed and direction of product water surface A from micro-filtration membrane pipe fitting 6, the pollutant that is attached on the dense water surface B is washed open, entered in the circulation thickener 3 and flowed to dense water pipe by water inlet " taking away ".This cleaning bumper post 9 can be correlated with to discharge and be produced water.
The above, it only is structure preferred embodiment of the present invention, be not that technical scope of the present invention is imposed any restrictions, so every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any trickle modification, equivalent variations and modification that above embodiment did.