SUMMERY OF THE UTILITY MODEL
In order to save industrial production cost and alleviate the water pressure of domestic water resource, the application provides a water intaking purification system.
The application provides a water intaking purification system adopts following technical scheme:
a water taking and purifying system comprises a water purifying module and a sludge treatment module for treating sludge generated in the water purifying module; the water purification module comprises a first dosing device, a pre-settling tank, a filtering device, a disinfecting device and a water purification tank, water is introduced into the pre-settling tank, the first dosing device is used for adding a PAC coagulant and a PAM coagulant aid into the water which is pumped into the pre-settling tank by a water pump, the water subjected to precipitation treatment in the pre-settling tank is introduced into the filtering device for filtering treatment, and filtered water is treated by the disinfecting device and then is discharged into the water purification tank; the sludge treatment module comprises a sludge tank and a filter press, sludge generated in the pre-settling tank and the filtering device is discharged into the sludge tank, the sludge in the sludge tank is discharged into the filter press for dehydration treatment, the generated wastewater flows back to the sludge tank, and supernatant in the sludge tank is discharged into the water purification module for treatment.
By adopting the technical scheme, the river water is subjected to impurity removal, filtration and disinfection treatment by the water purification module to generate industrial water, the sludge generated by the water purification module is subjected to recycling of water resources by the sludge treatment module, and the sludge is treated to generate sludge cakes; the water taking and purifying system is convenient to take and use by using river water purification treatment as industrial production water, saves industrial production cost and reduces the pollution to the environment in the purification treatment process.
Preferably, the water purification module further comprises a water intake pump station, and a water intake pump in the water intake pump station pumps water to the pre-sedimentation tank.
Through adopting above-mentioned technical scheme, the water intaking pump in the water intaking pump station can stably extract the water source to in the preliminary sedimentation pond, and then carries out subsequent processing to the water source, and water can regard as industrial water after purifying.
Preferably, a pipeline mixer is communicated with the water taking pump and the pre-settling tank in the water taking pump station, and the agent added into the pipeline by the first agent adding device is uniformly mixed with water through the pipeline mixer.
Through adopting above-mentioned technical scheme, the pipe-line mixer mainly used is with the liquid medicine and the intake intensive mixing homogeneous that first charge device released, and guarantees the intraductal velocity of flow of pipe-line mixer.
Preferably, the first dosing device is used for dosing through a metering pump, the first dosing device is of a two-pump two-box structure, and the two metering pumps are used and standby one by one.
Through adopting above-mentioned technical scheme to in first charge device can add medicine continuously and stably, detach the large granule and the suspended substance in the former aquatic.
Preferably, the filtering device is a full-automatic water purifier, and the full-automatic water purifier can automatically perform back washing.
By adopting the technical scheme, the full-automatic water purifier integrates flocculation, sedimentation, pollution discharge, back flushing and water collection and filtration, and has an automatic sludge discharge function. The full-automatic water purifier does not need manual management, and has good treatment effect and excellent effluent quality.
Preferably, the number of the full-automatic water purifiers is two, and one of the two full-automatic water purifiers is used for standby or used simultaneously.
Preferably, the sludge treatment module further comprises a sludge stirring tank and a second dosing device, the sludge tank discharges sludge into the sludge stirring tank through a sludge pump, the second dosing device adds a medicament into the sludge stirring tank, the sludge stirring tank stirs the sludge and the medicament, sewage generated in the sludge stirring tank flows back to the sludge tank, and the sludge in the sludge stirring tank is discharged into the filter press through the screw pump for dehydration treatment.
Through adopting above-mentioned technical scheme, the second charge device is arranged in throwing PAM coagulant aid in the mud of pumping to the sludge pump, further accelerates the coagulation of mud. The sludge stirring tank is used for further concentrating the sludge, more supernatant in the sludge stirring tank can conveniently flow back to the sludge pool, and the subsequent box-type filter press can conveniently dehydrate the sludge.
Preferably, the filter press is a chamber filter press.
By adopting the technical scheme, the box-type filter press ensures the dehydration treatment of the sludge.
Through adopting above-mentioned technical scheme, the setting of two full-automatic water purifiers improves water purification efficiency.
In summary, the present application includes at least one of the following beneficial technical effects:
the river water is subjected to impurity removal, filtration and disinfection treatment by the water purification module to generate industrial water, sludge generated by the water purification module is subjected to recycling of water resources by the sludge treatment module, and the sludge is treated to generate sludge cakes; the water taking and purifying system is convenient to take and use by using the river water for industrial production water, saves the industrial production cost and reduces the pollution to the environment in the purifying treatment process;
the full-automatic water purifier integrates flocculation, sedimentation, pollution discharge, back flushing and water collection and filtration, and has an automatic sludge discharge function. The full-automatic water purifier does not need manual management, has good treatment effect and excellent effluent quality;
the second dosing device is used for adding PAM coagulant aid into the sludge pumped by the sludge pump, so that the sedimentation of the sludge is further accelerated. The sludge stirring tank is used for further concentrating the sludge, so that the supernatant at the top of the sludge stirring tank can conveniently flow back to the sludge pool, and the subsequent box-type filter press can conveniently dehydrate the sludge.
Detailed Description
The present application is described in further detail below with reference to fig. 1.
The embodiment of the application discloses a water intaking purification system. As shown in figure 1, the water taking and purifying system comprises a water purifying module and a sludge treatment module, water purification meeting water requirements is formed after water sources are treated by the water purifying module, sludge generated in water purification of the water purifying module is discharged into the sludge treatment module, the sludge treatment module dehydrates the sludge, generated sewage is discharged into the water purifying module for water purification treatment, and the dehydrated sludge is uniformly treated.
In the embodiment, the raw water is river water, and the water source meets the II-class standard of GB3838-88 ground water environment quality standard and meets the requirement of GB5749-85 sanitary standard for drinking water of national regulation.
As shown in fig. 1, the water purification module comprises a water intake pump station 1, a first chemical adding device 3, a pipeline mixer 2, a pre-sedimentation tank 4, a filtering device, a sterilizing device 7 and a water purification tank 6. Wherein, in water intaking pump station 1 water intaking pump extraction inflow river water in the river collecting well to the preliminary sedimentation pond 4, through pipeline mixer 2 when the water source promotes, first charge device 3 puts into the medicament in to the pipeline, and the medicament gets into preliminary sedimentation pond 4 with the raw water after pipeline mixer 2 misce bene, and the water source gets into. The supernatant of the pre-sedimentation tank 4 flows into a filtering device, the filtered water enters a water purifying tank 6 after being disinfected, and the water in the water purifying tank 6 is conveyed to a water consumption point.
As shown in fig. 2 and 3, the first chemical adding device 3 is used for adding PAC coagulant, PAM coagulant aid, and the like into the influent water to coagulate small particle suspended matters in the raw water into large particle flocs for settling and removing in the pre-settling tank 4. Wherein, first charge device 3 adopts the measuring pump to add the medicine, for two case structures of two pumps, two measuring pumps are one and are equipped with one to first charge device 3 can continuously add the medicine, gets rid of the tiny particle suspended solid in the former aquatic. The PAC coagulant adding point is arranged on a water outlet main pipe of the water taking pump.
As shown in fig. 2, the pipeline mixer 2 is mainly used for feeding water into the pre-settling tank 4, and the liquid medicine released by the first medicine adding device 3 is fully and uniformly mixed with the fed water. Wherein the flow velocity in the pipe of the pipeline mixer 2 is controlled to be 1-1.5m/s, and the feeding port of the medicament is arranged outside 0.3m in front of the water inlet.
As shown in fig. 2 and 3, the preliminary sedimentation tank 4 removes suspended substances from water by the effect of coagulating sedimentation of water. Wherein, the pre-settling tank 4 is arranged as a vertical flow type settling tank. Raw water is discharged into the tank from top to bottom through a water inlet pipe arranged at the center of the pre-settling tank 4, and an umbrella-shaped baffle is arranged below a water inlet outlet, so that the raw water is uniformly distributed in the tank and then slowly rises along the whole section of the tank. The suspended matters sink into the tapered sludge bucket at the bottom of the tank under the action of gravity, and the clarified water is discharged from an overflow weir around the upper end of the tank. The generated clarified water enters a water purifier for treatment, and the generated sludge is discharged into a sludge treatment module for treatment.
As shown in figure 4, the filtering device is a novel full-automatic water purifier 5, and the full-automatic water purifier 5 is suitable for the inlet water turbidity of less than or equal to 1000mg/L and the outlet water turbidity of less than or equal to 1-3 mg/L. The full-automatic water purifier 5 integrates flocculation, sedimentation, pollution discharge, back flushing and water collection and filtration, and automatically discharges mud. The full-automatic water purifier 5 has good treatment effect, good effluent quality, less water consumption, less power consumption, small occupied area, water saving, electricity saving and no need of manual management.
As shown in figures 4 and 5, one end of the full-automatic water purifier 5 is provided with water inlet, a perforated pipe for water distribution and a large plane reflection flow water distribution unit, so that the water distribution of the device is ensured to be uniform, water flow at each micropore is sprayed out at a certain flow velocity, a high-concentration suspension reflux layer reaction unit has the reaction height of about 1.5m, the precipitation of flocculated sludge is prevented, small alum flocs in raw water are fully contacted with the sludge for flocculation reaction, the small alum flocs are condensed into large alum flocs, and favorable conditions are created for inclined pipe sedimentation.
As shown in fig. 4 and 5, the fully automatic water purifier 5 is composed of an inclined tube diversion and backflow unit and a settling area, so that redundant sludge is quickly settled under the action of a high-concentration inclined tube accelerated settling and sludge collecting unit, and a unique 65-degree inclined tube settling structure and a suspended sludge backflow protection unit are adopted, so that the full automatic water purifier has a rectification function and has an effect of uniformly distributing water. The settling zone pipe chute sets up the pipe chute and subsides with higher speed according to the shallow layer theory of precipitating, and the lower part subsides the large granular floc that forms fast, because the rivers direction changes between two-layer pipe chute, will increase the contact chance between the small granule floc, when the upper pipe chute of flowing through, further improves quality of water, adopts the buckled plate to catchment in the clear water district of settling basin, makes the system catchment even.
As shown in fig. 5 and 6, since a part of suspended matters must exist in the collected water, a baffle and a scum groove are provided in the fully automatic water purifier 5, and scum is periodically discharged through an overflow port. One part of sludge in the sedimentation tank flows back to the flocculation reaction tank, and the rest part of sludge enters the sludge area and is discharged out periodically. The effluent of the clean water area is uniformly distributed to a distribution water tank through a water collecting tank, the leaked micro suspended matters are removed through filtering by a filter, and the effluent enters a reservoir through the clean water tank. The filter adopts a reflecting plate for water distribution, a porous plate for water collection, a filter material which is a quartz sand filter material, and a gravel bearing layer arranged below the filter material, and the back washing is automatic siphon back washing after reaching the rated head loss, and the back washing strength is adjustable. The operation and back flushing of the full-automatic water purifier 5 are realized by the filter material operation resistance arranged in the full-automatic water purifier 5 through siphon, and the stored water in the filter clean water tank is automatically carried out by a siphon pipe and an auxiliary pipe system.
In this embodiment, in order to achieve the optimum water purification effect, the number of the fully automatic water purifiers 5 is two. The full-automatic water purifier 5 is provided with a plurality of electric mud discharge valves for discharging the mud in the corresponding mud bucket in time, the mud discharge of the full-automatic water purifier 5 is carried out according to a set time program, and the mud discharge period can be set on site and manually adjusted according to the mud discharge requirement.
In order to achieve an optimal disinfection of the water, as shown in fig. 1, chlorine dioxide is used in the disinfection device 7 in this embodiment. Chlorine dioxide is a new generation of high-efficiency high-speed oxidative disinfectant, and can keep high sterilization efficiency in a wide pH value range. Compared with chlorine, the chlorine dioxide has good sterilization effect, small dosage and quick action. Chlorine dioxide can kill microorganisms, decompose residual cell structures, and play a role in killing spores and viruses, but does not react with organic matters in water to generate organic chlorine derivatives with carcinogenic effect like chlorine and sodium hypochlorite, and residual chlorine in water after use is little. Chlorine dioxide is currently used by the nation to treat drinking water. Meanwhile, disinfection modes of other principles can be adopted, for example, the disinfection device 7 can also use the UVC-LED lamp group to carry out ultraviolet sterilization and disinfection.
As shown in fig. 1, the fresh water tank 6 functions to store water. Since the water outlet of the full-automatic water purifier 5 is normal pressure, the water purifying tank 6 is used for ensuring the water consumption point of the instant water supply of the water consumption point of the later stage. The water purifying tank 6 is of a steel concrete structure, and the volume of the water tank can be set according to the water supply quantity of each water using point.
In this embodiment, in order to ensure that the water yield in the pond can reach the demand in the use, can form a complete set high, well, low magnetism liquid level floater in water purification case 6 has the switching signal output for realize the linkage work of raw water elevator pump and water purification elevator pump and purified water liquid level, satisfy the operation requirement of pond water-logging.
As shown in fig. 1 and 7, the sludge is a product of the sewage purification treatment process, and is an important component of the whole treatment, and if the sludge is not properly treated and is discarded, secondary pollution is generated, so that the sludge must be treated, the water content of the sludge is reduced, the volume of the sludge is reduced, the property is stable, and the sludge can be safely disposed.
As shown in FIG. 7, the sludge treatment module comprises a sludge tank 8, a sludge pump 9, a second chemical adding device 11, a sludge stirring tank 10 and a box-type filter press 12. Wherein, the sludge produced in the pre-settling tank 4 and the full-automatic water purifier 5 is discharged into the sludge tank 8 through the pump body, the sludge and the water in the sludge tank 8 are separated due to the action of gravity, and the supernatant in the sludge tank 8 flows back to the pre-settling tank 4 through the pump body.
As shown in FIG. 7, the sludge in the sludge tank 8 is discharged to the sludge agitation tank 10 by the sludge pump 9. The second dosing device 11 is used for adding a PAM coagulant aid into the sludge pumped by the sludge pump 9, so that the sedimentation of the sludge is further accelerated. And after the sludge is concentrated by the sludge stirring tank 10, supernatant at the top of the sludge stirring tank 10 flows back to the sludge pool 8, the sludge at the bottom of the sludge stirring tank 10 is discharged into the box-type filter press 12 by the screw pump for sludge dehydration, and the supernatant obtained by the box-type filter press 12 flows back to the sludge pool 8. And (5) the pressed mud cakes are transported to municipal refuse landfill or landfill.
In order to enable the system to automatically work, in the embodiment, a programmable control system PLC and a touch screen control system are adopted to automatically run, and a manual control mode and an automatic control mode are set; when the change-over switch is set in the manual working state, the system can be started and stopped by manual operation, and each working pump, electric or electromagnetic valve can realize single-step manual operation on each electric device.
When the change-over switch is set in an automatic working state, the system runs automatically according to the programs set by the PLC and the touch screen system through the PLC and the touch screen system. And providing a DCS communication interface (suitable for the DCS system interface condition adopted by the user) according to the specified requirement.
The PLC and the touch screen control cabinet are manufactured together with the instrument cabinet, a power supply of the control cabinet is led from a main engineering power distribution room, a set of power distribution screen is independently arranged and used for controlling the power consumption of the water purification room, and the power supply adopts a three-phase five-wire system 380V/50 HZ.
Wherein, the dosing pump in the first dosing device 3 and the metering pump of the disinfection device 7 are linked with the river water lift pump. The liquid level switch is arranged in each dosing device, has low and ultra-low switching value signal output, is used for low liquid level alarm of each dosing metering pump, has the function of ultra-low liquid level pump stop, and is beneficial to protecting each metering pump.
The implementation principle of a water intake purification system in the embodiment of the application is as follows:
river water flows into a river collecting well and is lifted into a pre-settling tank 4 by a water pump station 1 through a water pump, and when the river water is lifted, a coagulant aid and a coagulant aid are added into the pre-settling tank 4 through a pipeline mixer 2. The supernatant of the pre-sedimentation tank 4 flows into a full-automatic water purifier 5, after sedimentation and filtration by an inclined tube, the effluent enters a purified water tank 6 after being sterilized, and the water in the purified water tank 6 is conveyed to a water consumption point by a water pump.
And the sludge produced in the water purification module is discharged by an electric valve. Sludge generated by the pre-settling tank 4 and the full-automatic water purifier 5 is discharged into a sludge tank 8, sludge at the bottom of the sludge tank 8 is pumped out by a sludge pump 9 and enters a sludge stirring tank 10, supernatant in the stirring tank is pumped out by a supernatant pump and discharged into the sludge tank 8, sludge is discharged into a box-type filter press 12 by a screw pump, the supernatant of the box-type filter press 12 flows back to the sludge tank 8, and the treated sludge is pressed into a sludge cake and then is transported outside.
The purification system covers the treatment processes of precipitation, filtration and disinfection, and is assisted by links such as pretreatment, sludge treatment and the like, so as to achieve the aim of river water purification. Wide application range, small occupied area, water saving, electricity saving and the like, and is convenient to use.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.