Flat sheet membrane biological respinse waste disposal plant based on glass reinforced plastic
Technical field
The utility model relates to sewage disposal device, is specifically related to a kind of flat sheet membrane biological respinse waste disposal plant based on glass reinforced plastic
Background technology
At present, domestic small-sized membrane bioreactor basic condition is, the one, and because of volume is little, the film latch up phenomenon is serious, influences effluent characteristics, shortens the work-ing life of film; The 2nd, the body material mostly is vinyon or steel plate, and small-sized membrane bioreactor adopts buried mode substantially, and vinyon material-structure power is poor, and easily aging, working life is short; The square structure of steel plate welding, structural capacity is not as round shape, and there is the dead angle inside during aeration, and the utilization ratio of oxygen is low, and corrosion easily; The 3rd, the used film of membrane bioreactor, major part is hollow membrane, curtain type membrane and tubular membrane, and with regard to small-sized membrane reactor is used, flat sheet membrane has remarkable advantages, as the simple system that is suitable for, convenient operating maintenance, medicine cleans easily, the long service life of film etc.Quickening along with industrialization, Development of China's Urbanization, the conservation culture construction is progressively to higher level propelling, and various lots of dispersion type domestic wastewater and industry sewage pollution phenomenon will be more outstanding as the weak link in the environmental improvement, situation is more and more severeer, and demand is more and more urgent.
At present, China's integrated small sewage disposal device state of the art is: the one, and be the three-grid septic tank of principal feature with the acidication, technology is coarse, and technology is original, standard is single and very low, on the verge of being replaced; The 2nd, be feature with the single creature treatment technology, comprise that preface criticizes aeration (SBR) technology, circulation anaerobic filter tank-biofiltration (BAF) technology, circulation anaerobic filter bed-contact oxidation technology or the like, but the deficiency that these technical matters exist: hydraulic detention time is long, surplus sludge volume is big, load adaptability is poor, the effluent quality instability; The 3rd, these equipment materials and manufacturing process mainly are that plastics, glass reinforced plastic hand are stuck with paste or steel plate is welded, and efficient is low, of poor quality, cost is high, is difficult to adapt to the needs of industrialized development.As a kind of new and effective sewage disposal technology, membrane bioreactor (Membrane Bioreactor, MBR), and be regarded as " best practical technology (Best AvailableTechnology) " in the selection that becomes a kind of very attractive and competitive power aspect the processing of municipal effluent and trade effluent and the reuse.Comparatively speaking, present this technology is mainly used in the large-scale sewage disposal project in city, and the decentralized waste water control is used few.Small-sized membrane bioreactor complexes are flexible for installation as one, the reusing sewage technology of easy maintenance, obtain to pay attention to and widespread use in EU countries and Japan, and technology is also more and more ripe.The resident vast for China disperses cities and towns, considers from economy, technology two aspects, and the small-sized suite of equipment that is more suitable for adopting membrane biological reactor process to make is handled as the some subregion that looses.
The utility model content
But the technical problems to be solved in the utility model provides a kind of protective membrane, cleans film automatically; can prevent that film from stopping up; water outlet efficient height, the long service life of film, the flat sheet membrane biological respinse waste disposal plant that anti-portative power is strong, floor space is little, applied widely based on glass reinforced plastic.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of flat sheet membrane biological respinse waste disposal plant based on glass reinforced plastic, comprise the apparatus body that has inflow pipe and water outlet, be provided with filter screen and film component device in the aeration type water between the inflow pipe of described apparatus body and the water outlet successively, described film component device comprises film case and aeration case, be provided with the flat membrane component that is used for biological respinse in the described film case, be provided with the aerating apparatus that is used in the film case, adding air in the described aeration case, be provided with the discharging device that is used for discharge of the clear water after the processing or reuse in the described film case.
As further improvement of the utility model:
It also comprises electric control cabinet, and described aerating apparatus comprises gas blower and the aeration tube that links to each other with gas blower, and described aeration tube is provided with production well, and described gas blower links to each other with described electric control cabinet and the control of current collector housing.
Filter screen comprises filter screen and the filter screen aeration tube of being located at the filter screen bottom in the described aeration type water, and described filter screen aeration tube links to each other with described gas blower.
Be provided with in the described apparatus body and be used to add the mud reflux that film cleans raffinate and mud, described mud reflux comprises sludge reflux pump and mud return line, one end of described mud return line is located at the bottom of apparatus body, the other end links to each other with sludge reflux pump, and described sludge reflux pump links to each other with electric control cabinet and the control of current collector housing.
Described flat membrane component vertically is installed in the film case.
Described apparatus body is a vertical cylinder shape glass reinforced plastic body.
Described discharging device comprises the suction water pump that links to each other with the water outlet of apparatus body, and described suction water pump links to each other with electric control cabinet and the control of current collector housing, and described suction water pump links to each other with flat membrane component by flexible pipe respectively.
The film that the top of described apparatus body is provided with the cleaning medicine that is used to hold flat membrane component cleans chemicals dosing plant, described film cleans chemicals dosing plant and is connected with the film case by pipeline, and the pipeline that described film cleans between chemicals dosing plant and the film case is provided with the dosing valve, and described dosing valve links to each other with electric control cabinet and the control of current collector housing.
The utlity model has following advantage: the one, apparatus body be glass reinforced plastic twine and spray technology one-body molded, modularization production, quality height, structure are good, efficient height, long service life; The 2nd, have protective membrane sfgd. and film automatic cleaning function, prevent that film from stopping up, improve water outlet efficient, prolong the work-ing life of film; The 3rd, anti-portative power is strong, the effluent quality height, and compact construction can adopt buried mode, and floor space is little; The 4th, be suitable for dispersed sewage disposal place on a small scale, as villages and small towns, school, office building, hotel, restaurant, motorway, tourist attractions etc.The utlity model has film sfgd. and film automatic cleaning function; can prevent that film from stopping up, improve water outlet efficient, prolong the work-ing life of film; have effluent quality not high, be not easy film and stop up, film long service life, anti-portative power are strong, the advantage of compact construction.
Description of drawings
Fig. 1 is the theory structure synoptic diagram of the utility model embodiment.
Marginal data: 1, apparatus body; 11, electric control cabinet; 12, sludge reflux pump; 13, gas blower; 14, suction water pump; 15, aerating apparatus; 16, filter screen aeration tube; 17, film cleans chemicals dosing plant; 18, aerating apparatus valve; 19, mud return valve; 2, filter screen in the aeration type water; 21, flowing water Valve; 22, inspection window; 23, high-water line; 24, low-water line; 25, air vent; 26, membrane module support; 27, flat membrane component; 28, dosing valve; 3, film component device; 4, film case; 5, aeration case; 6, aeration tube joint; 7, traverse baffle; 8, inflow pipe; 9, mud return line; 10, discharging device; 20, filter screen aeration valve.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described specifically:
As shown in Figure 1, the flat sheet membrane biological respinse waste disposal plant based on glass reinforced plastic of the utility model embodiment comprises the apparatus body 1 that has inflow pipe 8 and water outlet, be provided with filter screen 2 and film component device 3 in the aeration type water between the inflow pipe 8 of apparatus body 1 and the water outlet successively, film component device 3 comprises film case 4 and aeration case 5, be provided with the flat membrane component 27 that is used for biological respinse in the film case 4, be provided with the aerating apparatus 15 that is used in film case 4, adding air in the aeration case 5, be provided with the discharging device 10 that is used for discharge of the clear water after the processing or reuse in the film case 4.
Apparatus body 1 is a vertical cylinder shape glass reinforced plastic body, adopt glass reinforced plastic to spray and wrapping machine technology one-body molded, high-strength light flatly is convenient to buriedly, top adopts the elipse head moulding also manhole to be arranged; This structure pressurized is reasonable, and mixed solution turbulent fluctuation and suspension in the cell body are convenient to, aerator oxygen-transfer efficiency height in no dead angle; Be fit to equipment modulus machine-shaping.Filter screen 2 is connected with electric control cabinet 11 by pipeline with film component device 3 in the aeration type water in the apparatus body 1, forms unified complete sewage disposal device system.Apparatus body 1 is provided with high-water line 23 and low-water line 24, makes things convenient for the water level in the operating device body 1, and the top of apparatus body 1 also is provided with inspection window 22 and air vent 25 in addition, and inspection window 22 conveniently checks that manually air vent 25 is safe and reliable.
The utility model embodiment also comprises electric control cabinet 11, aerating apparatus 15 comprises gas blower 13 and the aeration tube that links to each other with gas blower 13, aeration tube links to each other with gas blower 13 by aeration tube joint 6, aeration tube is provided with production well, and gas blower 13 links to each other with electric control cabinet 11 and 11 controls of current collector housing.In the present embodiment, be provided with aerating apparatus valve 18 between aeration tube and the gas blower 13, aeration tube is a U type aeration tube, be fixed in the apparatus body 1 by stainless steel stent and clip, 12 production wells are all arranged at each aeration tube bottom, and the production well diameter is 5mm, and the spacing of facing production well mutually is 50mm.After starting gas blower 13, through perforation aeration tube uniform distribution in aeration case 5, rise enters film case 4 to air from the aeration tube interface, and flat membrane component 27 inside and outside formation spins are refluxed, for the mixed solution microorganism provides sufficient dissolved oxygen, guarantee flat membrane component 27 steady runnings.
Filter screen 2 comprises filter screen and the filter screen aeration tube 16 of being located at the filter screen bottom in the aeration type water, and filter screen aeration tube 16 links to each other with gas blower 13, and filter screen aeration tube 16 is provided with filter screen aeration valve 20.Filter screen is in order to cut the pollutent that is suspension or levitated state more than the resistance 2mm, the main body of filter screen is the FRP material, and filter screen is a stainless steel plate, and the mesh size of filter screen is below the 2mm, the stainless steel plate of percentage of open area 55-65% is installed, and the vertical current that utilize filter screen aeration tube 16 aerations to produce clean wire side.Treating water at first filters from inflow pipe 8 filter net device 2 through aeration type water, and the pollutent that is suspension or levitated state more than the 2mm is filtered, and can regularly carry out the labor cleaning.Filter screen aeration tube 16 is connected to obtain air with gas blower 13, and it is blocked to prevent mesh that the vertical current that utilize aeration to produce clean wire side; For improving the sewage settleability, avoiding the water short circuit, filter screen 2 one sides are provided with traverse baffle 7 in aeration type water.
Film component device 3 is the submerged membrane component system, and it is located at the middle part of apparatus body 1, and film case 4 is positioned at the top of film component device 3, and aeration case 5 is positioned at the bottom of film component device 3.Film component device 3 is fixed in the apparatus body 1 by membrane module support 26.Flat membrane component 27 vertically is installed in the film case 4, and flat membrane component 27 adopts rubber press strip and stainless steel platen envelope to press.Flat membrane component 27 be located at film case 4 around, the both sides of film case 4 are the fixing membrane element of guide rail plate.
Discharging device 10 is positioned at a side of film component device 3, discharging device 10 comprises the suction water pump 14 that links to each other with the water outlet of apparatus body 1, suction water pump 14 links to each other with electric control cabinet 11 and 11 controls of current collector housing, suction water pump 14 links to each other by the header of silicon rubber hose with flat membrane component 27 respectively, and the header of flat membrane component 27 is connected to outfall sewer and is released or reuse by suction water pump 14.After starting suction water pump 14, the flat membrane component 27 for the treatment of water from film case 4 is filtered to separate and obtains clear water and enter suction water pump 14 and released or reuse, it is high and stable to go out water quality standard, draw water, stopped to take out in 2 minutes pump in 8 minutes for the operation of one-period Recycle design by automatic employing of electric control cabinet 11 controls, effectively between water outlet performance and decontamination effect improving, obtain optimum balance.
Be provided with in the apparatus body 1 and be used to add the mud reflux that film cleans raffinate and mud, the mud reflux comprises sludge reflux pump 12 and mud return line 9, one end of mud return line 9 is located at the bottom of apparatus body 1, the other end links to each other with sludge reflux pump 12, and sludge reflux pump 12 links to each other with electric control cabinet 11 and current collector housing 11.
The film that the top of apparatus body 1 is provided with the cleaning medicine that is used to hold flat membrane component 27 cleans chemicals dosing plant 17, film cleans chemicals dosing plant 17 and is connected with film case 4 by pipeline, and the pipeline that film cleans between chemicals dosing plant 17 and the film case 4 is provided with dosing valve 28, and dosing valve 28 links to each other with electric control cabinet 11 and 11 controls of current collector housing.When cleaning flat membrane component 27, at first close flowing water Valve 21, open dosing valve 28, when flat membrane component 27 at drug immersion after for some time, undertaken after aeration washes away by aerating apparatus 15, filter membrane is effectively restored; Close dosing valve 28, open mud return valve 19, and open sludge reflux pump 12, will clean raffinate and mud device for transferring body 1 adjustment groove or sludge treatment facility outward by reflux.
Electrical equipment control cabinet system 11 adopts the PLC programmable controller that entire equipment is carried out automatization control, is used to realize automatization controls such as sludge reflux pump 12, gas blower 13, the unlatching of aspirating equipment such as water pump 14 and timing.
The above only is a preferred implementation of the present utility model, and protection domain of the present utility model is not limited in above-mentioned embodiment, and every technical scheme that belongs to the utility model principle all belongs to protection domain of the present utility model.For a person skilled in the art, some improvements and modifications of under the prerequisite that does not break away from principle of the present utility model, carrying out, these improvements and modifications also should be considered as protection domain of the present utility model.