The utility model content
For overcoming the above-mentioned defective of prior art, the utility model provides a kind of small combined Sewage treatment systems, and this system is suitable for carrying out general small-scale sewage discharge source, and its treatment effect is good, compact construction, and installation and maintenance is convenient, and floor space is little.
The utility model realizes that the technical scheme of above-mentioned purpose is: a kind of small combined Sewage treatment systems, mainly comprise the header tank combination, the combination of aerating regulation case, the combination of flocculation sediment case, the air buoyancy tank combination, the combination of aerobe strumbox, combination of secondary sedimentation case and water storage box combination, described aerating regulation case combination, the combination of flocculation sediment case, the air buoyancy tank combination, the combination of aerobe strumbox, combination is connected the combination of secondary sedimentation case successively with water storage box, described aerating regulation case combination is connected in sequence by some aerating regulation casees, described flocculation sediment case combination is connected in sequence by some flocculation sediment casees, described air buoyancy tank combination is connected in sequence by some air buoyancy tanks, described aerobe strumbox combination is connected in sequence by some aerobe strumboxes, described secondary sedimentation case combination is connected in sequence by some secondary sedimentation casees, described water storage box combination is connected in sequence by some water storage boxes, described aerating regulation case bottom is provided with mud scraper plate and mud sewage draining exit, top is provided with oil slick scraper plate and oil slick sewage draining exit, described header tank combination is made of some mutual placed in-line header tanks, and each header tank bottom is provided with Scraping device and mud discharging mouth.
Because the overall process flow of the utility model design is reasonable, in the combination of aerating regulation case, catchment earlier, so that subsequent handling is stable, strike off throw out and the floating matter that natural separation is handled in simultaneously when catchmenting, and then the combination of follow-up flocculation sediment case and air buoyancy tank combination carrying out successively flocculation sediment and air supporting, can eliminate most COD and BOD and particulate matter and colloid etc. in the water, alleviated the load of follow-up equipment, be combined into the oxygen biochemical purification reaction of acting charitably through aerobe strumbox efficiently, wherein the dissolved organic matter branch is taken off, pass through secondary sedimentation again, remove the mud and other the precipitable things that carry in anhydrating, the pollutent in the water outlet of formation reduces significantly.For not having reluctant especially pollutent and not too high general life and the production waste of pollution concentration; general equal sewage drainage standard and the irrigation norm of meeting in this processing back; can discharge or be used for landscape water on the spot; the treatment facility of each operation all adopts the mode of box body combinations; and the physical dimension of each casing and mode of connection can adopt the standard casing; can determine the casing quantity of each several part (each combination) according to water treatment amount and processing parameter; and these casings are to adopt the same casing standard manufacture of industrialized production foundation in the workshop; and the box inner structure of same operation also can be same or have only increase part auxiliary facility on the part casing on the basis with spline structure; greatly simplified the production process of equipment thus; improved the industrial scale degree; can lower production cost significantly, and installation and maintenance at the scene also becomes very convenient.
The native system one-piece construction is simply compact, and is rational in infrastructure, easy to maintenance, highly versatile, be adapted to life or produce in small-scale sewage discharge often appears, particularly away from the place of municipal pipeline.
Embodiment
Referring to Fig. 1 and Fig. 2, the utility model provides a kind of small combined Sewage treatment systems, mainly comprise the header tank combination, the combination of aerating regulation case, the combination of flocculation sediment case, the air buoyancy tank combination, the combination of aerobe strumbox, combination of secondary sedimentation case and water storage box combination, described header tank combination, the combination of aerating regulation case, the combination of flocculation sediment case, the air buoyancy tank combination, the combination of aerobe strumbox, combination is connected the combination of secondary sedimentation case successively with water storage box, described aerating regulation case combination is connected in sequence by some aerating regulation casees 2, described flocculation sediment case combination is connected in sequence by some flocculation sediment casees 15, described air buoyancy tank combination is connected in sequence by some air buoyancy tanks 12, described aerobe strumbox combination is connected in sequence by some aerobe strumboxes 5, described secondary sedimentation case combination is connected in sequence by some secondary sedimentation casees 6, described water storage box combination is connected in sequence by some water storage boxes 7, described aerating regulation case bottom is provided with mud scraper plate and mud sewage draining exit 19, top is provided with oil slick scraper plate and oil slick sewage draining exit 3, the described first flocculation sediment upper box part is provided with flocculation agent balling iron 2, described aerobe strumbox middle part is provided with aerobic filtrate 10, the bottom is provided with aerator 11, described header tank combination is made of some mutual placed in-line header tanks, and each header tank bottom is provided with Scraping device and mud discharging mouth.
The bottom of described aerating regulation case can also be provided with gap aerator 17.Precipitation and aeration hocket, so that increase the oxygen amount in the sewage, are beneficial to follow-up processing.
The water-in of described aerating regulation case is positioned at top, and water outlet is positioned at the middle part, and the middle part in the case is provided with vertical dividing plate 18, and water inlet is walked around vertical dividing plate and could be flow to water outlet by water-in, so that improve precipitation and come-up effect.
The gap aerator of described aerating regulation case bottom is positioned at the water outlet oral-lateral of dividing plate separately, helps guaranteeing to precipitate the gentle effect of floating like this.
The sloping plate deposition structure can be adopted in described flocculation sediment case inside, be provided with the sloping plate deposition district, be provided with the administration space of belt stirrer in the front in sloping plate deposition district, described administration spatial top is provided with the flocculation agent balling iron, balling iron constantly drops into flocculation agent to the administration space according to discharge, the process agitator stirs the back thorough mixing in sewage, wads a quilt with cotton with fixed attention with organic particulate matter and other organic molecules of sewage, flows into precipitation in the sloping plate deposition zone then.Another kind of preferred mode is that agitator is set in balling iron, in advance flocculation agent is mixed with water, and stirs in the space that does not need to take in the flocculation sediment case.The deposition efficiency height of this settler, volume is little, and by after adding flocculation agent, about BOD and COD more than 30% is removed in the high-concentration sewage, alleviated the pollution load of follow-up biochemical treatment.
The bottom of described flocculation sediment case can be provided with mud discharging mouth 16, is used for discharging mud under certain condition.Also can Driving-mud Pump be set in flocculation sediment case bottom, regularly mud be up to and be sent into mud and concentrate case and concentrate, the mud after concentrating further filters and is pressed into mud cake, so that transport to special processing place.
Described air buoyancy tank adopts the air supporting principle with oil and by carrying the pollutent of bubble floating behind the aeration, the gas that the air supporting air feeder of its bottom penetrates combines with water pollutant, form the housing of band bubble, on build up after floating to the air buoyancy tank surface, wait to be accumulated to certain thickness and to discharge by the scum silica frost discharge outlet 14 that scraper plate scrapes casing one side.
Filtrate in the described aerobe strumbox can adopt and be suspended on the intravital soft filtrate of case, so that improve purification efficiency, and easy cleaning and maintenance.The bottom of case is provided with aerator, so that provide air and oxygen for aerobe.
The sloping plate deposition structure can be adopted in described secondary sedimentation case inside, is provided with the sloping plate deposition district, to obtain high deposition efficiency height, reduces volume.Described secondary sedimentation case bottom can also be provided with and be provided with mud discharging mouth 9, is used for discharging mud under certain condition.Also can Driving-mud Pump be set in secondary sedimentation case bottom, regularly mud be up to and be sent into mud and concentrate the case combination and concentrate, the mud after concentrating further filters and is pressed into mud cake, so that transport to special processing place.
When being provided with Driving-mud Pump at the bottom of the case of described aerating regulation case and secondary sedimentation case, the outlet conduit of each Driving-mud Pump can be connected in a mud and concentrate case, further concentrates so that the mud that ejects concentrates case at mud.
The outlet conduit of the submersible pump of described secondary sedimentation case also is connected in described aerobe strumbox by mud return line, refluxes so that carry out mud, improves the treatment effect of described aerobe strumbox.
The top of first secondary sedimentation case in the combination of described secondary sedimentation case can be provided with sterilizing machine, so that the water in the secondary sedimentation case is sterilized, prevents that bacterium and other microorganisms from spreading unchecked in the water storage box combination.Wherein a kind of preferred sterilizing machine is the ozone machine that is used to prepare ozone, by being dissolved in ozone in the water with bacterium and other bacteria inactivation rates.
Connection between described each case all can be adopted pipe connection, can be provided with pump and valve on the pipeline of described connection usefulness, so that carry out current control.
Referring to Fig. 3, the casing of described each case all adopts the twenty-feet equivalent unit 100 of same size, and the both sides of each twenty-feet equivalent unit are equipped with three standards of upper, middle and lower and connect short tube 101,103,104, and described standard connects short tube and is provided with standard flange, is used to connect other pipelines.Connecting tube between described each case can adopt two ends to have the flexible pipe (main part is a flexible pipe) of standard flange, so that install.
The place, at least four angles, bottom of described casing is provided with leg 104, and case supports is got up, and has both helped the protection of casing, can install and arrange pipeline etc. again below casing.
Described casing top place can also be provided with some suspension ring 102, is used for lifting.
As required, can be provided with pump and valve on the pipeline.
Spatial distribution between each case can be according to actual field conditions arrangement, and embodiment for example shown in Figure 3 is corresponding to a kind of spatial distribution mode embodiment illustrated in fig. 1.Distribution can more effectively utilize the space like this.