Background technology
Waste water can be inevitably produced in the industrial production, the direct discharge of waste water not only seriously pollutes environment, and
And cause the waste of water resource.Therefore, increasing industry is handled waste water, is then carried out discharging or is followed
Ring utilizes.
By taking flue gas desulfurization and denitrification field as an example, national environmental protection portion, State Administration for Quality Supervision and Inspection and Quarantine's joint hair
Cloth《Petroleum refining industry pollutant emission standard》(GB31570-2015), provided in the national standard, each petroleum refining enterprise pin
Desulphurization denitration processing is carried out to respective flue gas.During flue gas desulfurization and denitrification, waste water can be produced, containing big in the waste water
Measure the impurity such as suspension such as sulphite, sulfate and heavy metal, and the turbidity of the waste water it is higher (SS typically 2000~
10000mg/L), suspension content is big, and pellet hardness is high, and salinity is high, therefore big to equipment corrosion.It is usual to handle such waste water
From clarifier, when handling waste water from clarifier, addition flocculant causes the particle aggregation in waste water first into waste water, so
Final that solid is discharged from the bottom of clarifier afterwards so that waste water settles, clear liquid is arranged from the overfall positioned at clarifier top
Go out to reach the purpose of separation of solid and liquid.
At present, solid-liquid separation effect of the existing clarifier after flocculation step is completed to waste water and bad, causes final
Discharge in the waste water of clarifier and still contain more solid particle.
Utility model content
The purpose of this utility model be in order to overcome clarifier existing for prior art to the solid-liquid separation effect of waste water not
The problem of good, there is provided a kind of wastewater clarifier, the wastewater clarifier can speed up the sedimentation of solid particle, improve the solid-liquid of waste water
Separating effect.
To achieve these goals, on the one hand the utility model provides a kind of wastewater clarifier, the wastewater clarifier bag
Include housing, the overfall overflowed for the liquid after processing for being opened in the housing and the flocculation machine positioned at the enclosure interior
Structure, wherein, the flocculation mechanism includes setting along the short transverse of the housing and has the flocculation cylinder of outlet, and the waste water is clear
Clear device also includes the sink mechanism for being used to cause solid particles sediment positioned at the enclosure interior, and the sink mechanism is located at institute
State between overfall and the outlet.
Preferably, the outlet is opened in the lower end of the flocculation cylinder, and the wastewater clarifier is included respectively in the wadding
The feed tube for being used to be passed through waste water that the upper end of solidifying cylinder communicates with the inside of the flocculation cylinder and the dosing for being passed through flocculant
Pipe.
Preferably, the sink mechanism includes the multiple sedimentation plates set around the flocculation cylinder, wherein, it is each described heavy
Radial direction of the plate along the flocculation cylinder is dropped to set.
Preferably, the sedimentation plate is obliquely installed.
Preferably, the downflow weir for extending to the overfall is provided with the housing, the downflow weir surrounds the wadding
Solidifying cylinder is arranged on above the sedimentation plate.
Preferably, the flocculation cylinder is internally provided with rabbling mechanism.
Preferably, the probe tube communicated with the housing is provided with the wall of the housing.
Preferably, the housing includes body and covers the end cap of the bottom port of the body, and the end cap includes the
One liquid shrinkable, the both ends of first liquid shrinkable are respectively formed with first port and the second end docked with the bottom port
Mouthful, and first liquid shrinkable from the second port at the first port in gradually tapering up shape.
Preferably, the end cap includes the second liquid shrinkable for being docked with the first port, and second liquid shrinkable is from upper
To lower in gradually tapering up shape.
Preferably, angle formed by the wall and horizontal plane of first liquid shrinkable is α, the wall and water of second liquid shrinkable
Angle formed by plane is β, wherein, α<β.
Preferably, the wastewater clarifier includes being arranged at being deposited in the end cap for scraping in the housing
The scraping mechanism of the solid particle of wall, it is described scraping mechanism include with it is described flocculation cylinder coaxial line rotary shaft and with it is described
Rotary shaft be connected and along first liquid shrinkable shrinkage direction set scraper plate.
In the above-mentioned technical solutions, by between the outlet of the overfall of the housing and the flocculation cylinder
The sink mechanism is set, the solid particles sediment be easy to and accelerated in waste liquid so that the liquid overflowed by the overfall
In be substantially free of solid particle, substantially increase processing waste water effect.Described in the waste water discharged from the flocculation cylinder passes through
After sink mechanism, the solid particle Accelerated subsidence in waste water, the liquid for being substantially free of solid particle in waste liquid (is referred to as supernatant
Liquid) rise, finally waste water is effectively addressed.
Embodiment
In the utility model, in the case where not making opposite explanation, the noun of locality such as " upper and lower, left and right " used is usual
Refer to understand with reference to the orientation in the orientation and practical application shown in accompanying drawing.
The utility model provides a kind of wastewater clarifier, and the wastewater clarifier includes housing 10, is opened in housing 10
For processing after liquid overflow overfall 100 and the flocculation mechanism 11 inside housing 10, wherein, flocculation mechanism
11 include setting along the short transverse of housing 10 and also include being located at the flocculation cylinder 110 of outlet 111, the wastewater clarifier
The sink mechanism 12 for being used to cause solid particles sediment inside housing 10, sink mechanism 12 are located at overfall 100 and outlet 111
Between.By setting sink mechanism 12 between the outlet 111 of the overfall 100 of housing 10 and the cylinder 110 that flocculates, it is easy to and adds
Solid particles sediment in fast waste liquid so that be substantially free of solid particle in the liquid overflowed by overfall 100, substantially increase
Handle the effect of waste water.Wherein, as shown in fig. 1, outlet 111 can be opened in flocculation cylinder 110 lower end in order to flocculant
Waste water after effect is discharged from flocculation cylinder 110, and overfall 100 can be located at the top of sink mechanism 12 in order to useless after handling
Hydrorrhea goes out, and can also set the feed tube 16 communicated respectively with the inside for the cylinder 110 that flocculates and dosing in the upper end of flocculation cylinder 110 in addition
Pipe 17, so as to be passed into flocculation cylinder 110 by the waste water of feed tube 16 and be passed through by the flocculant of chemical feed pipe 17
Into flocculation cylinder 110.When needing to handle waste water, waste water can be passed into flocculation cylinder 110 by feed tube 16, while to adding
Flocculant is added in pencil 17 and flocculant is passed into flocculation cylinder 110, in the presence of flocculant, the solid in waste water
Particle coalescence, then, waste liquid are discharged from the outlet 111 of flocculation cylinder 110, and the solid particle after coalescence in waste liquid is sunk
Drop, the liquid (being referred to as supernatant) for being substantially free of solid particle in waste liquid rises, when waste liquid passes through sink mechanism 12, heavy
In the presence of descending mechanism 12, solid particle Accelerated subsidence, final supernatant overflows from overfall 100.
In order that obtaining, supernatant is reliable and stable to be overflowed from overfall 100, as shown in fig. 1, can be set in housing 10
The downflow weir 15 of overfall 100 is extended to, wherein, downflow weir 15 can surround flocculation cylinder 110 and be arranged on the top of sedimentation plate 120.
In addition, such as agitating paddle of rabbling mechanism 13 can be also set in the inside of flocculation cylinder 110, wherein, preferably described agitating paddle
Set with the flocculation coaxial line of cylinder 110, specifically, support is set in the top of housing 10, on the bracket described in installation driving
The stirring motor 19 of agitating paddle rotation.
With reference to shown in Fig. 1 and Fig. 2, sink mechanism 12 may include to surround multiple sedimentation plates 120 that flocculation cylinder 110 is set,
Wherein, each sedimentation plate 120 can be set along the radial direction of flocculation cylinder 110.It is it is further preferred that multiple around flocculation cylinder 110
Flocculation cylinder 110 is uniformly surrounded on to set.
In order to further speed up the sedimentation of solid particle, the tiltable of sedimentation plate 120 is set.When being provided with multiple sedimentation plates
When 120, the incline direction of sedimentation plate 120 can be consistent.
In addition, as shown in fig. 1, the probe tube 104 with being communicated in housing 10 can be set on the wall of housing 10, so as to just
In the situation for learning the processing waste water in the wastewater clarifier in time.Specifically, sampling can be set in the lower section of downflow weir 15
Pipe 104, probe tube 104 can be also set at sedimentation plate 120, also probe tube 104 can be set in the lower section of sedimentation plate 104.
Preferably, housing 10 may include body 101 and cover the end cap of the bottom port of body 101, and the end cap includes
First liquid shrinkable 102, the second end that the both ends of the first liquid shrinkable 102 are respectively formed with first port and docked with bottom port
Mouthful, and the first liquid shrinkable 102 from second port at first port in gradually tapering up shape, in order to collect the solid of sedimentation
Grain.In addition, as shown in fig. 1, angle formed by the wall and horizontal plane of the first liquid shrinkable 102 is designated as α, α is preferably 30 °.
First liquid shrinkable 102 can be various appropriate formats, as long as being shunk from second port to first port, such as can be rib
Stage body or round estrade.It should be noted that when the first liquid shrinkable 102 is pyramid, the wall of the first liquid shrinkable 102 is in straight
Face, the wall of the first liquid shrinkable 102 and the angle of horizontal plane can be understood as the angle of the flat face and the horizontal plane, when
When one liquid shrinkable 102 is in round estrade, the wall of the first liquid shrinkable 102 and the angle of horizontal plane can be understood as the mother of the round estrade
The angle of line and the horizontal plane.
Further, as shown in fig. 1, the second liquid shrinkable 103 can be also docked at the first port, wherein, second
Liquid shrinkable 103 can be in gradually taper up shape from top to bottom, in such manner, it is possible to so that solid particle by centralized collection, eventually through opening up
Mouth on the end cap is discharged, so as to further increase the effect for collecting solid particle, it is to be understood that be opened in
Mouth on the end cap is located at the bottommost of the end cap.It should also be noted that, as shown in fig. 1, the second liquid shrinkable 103
Wall is β with angle formed by horizontal plane, and β is preferably 45 °.Likewise, when the second liquid shrinkable 103 is prismoid, second receives
The wall of contracting body 103 is in flat face, and the wall of the second liquid shrinkable 103 and the angle of horizontal plane can be understood as the flat face and institute
The angle of horizontal plane is stated, when the first liquid shrinkable 102 is in round estrade, the wall of the first liquid shrinkable 102 and the angle of horizontal plane can be with
It is interpreted as the bus of the round estrade and the angle of the horizontal plane.
When the end cap includes the first liquid shrinkable 102 and the second liquid shrinkable 103, by the wall and water of the first liquid shrinkable 102
Angle formed by plane is α, while is β by angle formed by the wall and horizontal plane of the second liquid shrinkable 103, wherein so that α<β,
So, under the collective effect of the first liquid shrinkable 102 and the second liquid shrinkable 103 so that solid particle easily facilitates sedimentation.
In addition, also scraping mechanism 14 can be set to be deposited on the receipts of end cap inwall such as first in order to scrape in housing 10
The solid particle of the inwall of contracting body 102, preferably the first liquid shrinkable 102 are in round estrade.In addition, scraping mechanism 14 may include and flocculation cylinder
The rotary shaft 140 of 110 coaxial line and be connected with rotary shaft 140 and along the first liquid shrinkable 102 shrinkage direction set scrape
Plate 141, when inwall of the solids particles precipitate in the end cap, driving effect lower scraping plate 141 of the scraper plate 141 in rotary shaft 140
Scrape the solid particle of deposition.It is understood that the agitating paddle includes the axle being connected with stirring motor 19 and is arranged at
Blade on the axle, when being additionally provided with scraping mechanism 14 in the wastewater clarifier, the rotary shaft scraped in mechanism 14 is worn
The inside for crossing the axle of the agitating paddle is scraped mud motor 18 and driven, in this way, ensure that the axle of the agitating paddle and the rotation
Rotating shaft each independently non-interfering can be rotated.
Preferred embodiment of the present utility model, still, the utility model and unlimited is described in detail above in association with accompanying drawing
In this.In range of the technology design of the present utility model, a variety of simple variants can be carried out to the technical solution of the utility model,
It is combined in any suitable manner including each particular technique feature.In order to avoid unnecessary repetition, the utility model
Various combinations of possible ways are no longer separately illustrated.But these simple variants and combination should equally be considered as the utility model institute
Disclosure, belong to the scope of protection of the utility model.