A kind of high-efficiency sewage pretreatment unit
Technical field
The present invention relates to water treatment field, specifically a kind of high-efficiency sewage pretreatment unit.
Background technique
Sewage disinfection treatment is that sewage enters before the processing such as traditional precipitating, biology according to follow-up processing flow to water quality
It is required that and the pretreatment facility that is arranged, be the throat of sewage treatment plant, in centralized treatment of urban sewage factory and pollution sources point
Sewage treatment plant is dissipated, pretreatment includes mainly the treatment facilities such as grid, sieve, setting pot, grit water separator, and for certain works
Industry waste water then in addition to needing to carry out above-mentioned general pretreatment, also needs to carry out water quality before entering centralised or decentralised sewage treatment plant
The adjusting processing of water and some other special pretreatment, such as neutralize, fish out hair, preliminary sedimentation, preaeration etc., if pretreating process
It is not up to standard, it causes grid slag excessive, subsequent processing equipment is lost big.
Traditional suspended by grid or Salvage and Wreck Removal or bulky grain rubbish, needs to clear up grid, repeatedly
It salvages, pretreatment efficiency is very low, reduces entire sewage treating efficiency.
Summary of the invention
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of high-efficiency sewage pretreatment unit
Problem.
To achieve the above object, the present invention provides the following technical solutions:
A kind of high-efficiency sewage pretreatment unit, including support frame, screen drum and settlement barrel;Support frame as described above upper end is fixedly connected with sieve
Cylinder, screen drum upper end is communicated with water inlet pipe;Helical blade roller is equipped in the screen drum, helical blade roller extends on the left of screen drum and leads to
It crosses shaft coupling and is connected with driving motor;Door-plate is hinged on the right side of the screen drum;The screen drum lower end is nested with the sieve of arc, sieve
Cylinder lower end is fixedly connected with drip pan;Settlement barrel is equipped with below the drip pan;The settlement barrel axial centerline, which is equipped with, to overflow
Water pipe, overflow pipe upper end extend on the outside of settlement barrel;The settlement barrel lower end is communicated with silt case, and silt case is communicated with blowdown
Pipe, sewage pipe are equipped with valve.
As a further solution of the present invention:The drip pan lower end is communicated with water pump by downcomer, and water pump passes through company
Siphunculus is communicated with settlement barrel, is tangentially connected to settlement barrel communicating pipe.
As a further solution of the present invention:The drip pan is connected to by downcomer with settlement barrel, and overflow pipe is arranged with
Bearing holder (housing, cover), bearing holder (housing, cover) are fixedly connected with symmetrical agitating plate, and bearing set upper side is arranged with bevel gear ring, and bevel gear ring is ratcheting biography
Dynamic bevel gear, drive bevel gear are fixedly connected with transmission shaft, and transmission shaft is extended on the outside of settlement barrel and connected by driving belt
There is helical blade roller.
As a further solution of the present invention:The settlement barrel is conically shaped.
As a further solution of the present invention:The driving motor is fixedly connected by mounting plate with support frame.
As a further solution of the present invention:The door-plate is equipped with handle and lock.
As a further solution of the present invention:The drip pan is set on the outside of sieve.
Compared with prior art, the beneficial effects of the invention are as follows:The present invention by being equipped with bottom there is sieve, inner cavity to be equipped with
The screen drum of helical blade roller realizes retention and collection to suspension rubbish in sewage and bulky grain rubbish;By being equipped with settlement barrel,
By the way of centrifuge separation, efficiently separating for sand grain is realized, the pre- place settled compared to grid or natural gravity
Reason mode substantially increases the efficiency of sewage disinfection treatment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that high-efficiency sewage pretreatment unit has water pump;
Fig. 2 is the sectional view of interior drip pan in high-efficiency sewage pretreatment unit;
Fig. 3 is the top view of settlement barrel in high-efficiency sewage pretreatment unit;
Fig. 4 is structural schematic diagram of the high-efficiency sewage pretreatment unit with agitating plate.
In figure:1- support frame;2- screen drum;3- water inlet pipe;4- helical blade roller;5- shaft coupling;6- driving motor;7- sieve
Net;8- drip pan;9- door-plate;10- downcomer;11- water pump;12- communicating pipe;13- settlement barrel;14- overflow pipe;15- silt case;
16- sewage pipe;17- valve;18- bearing holder (housing, cover);19- agitating plate;20- bevel gear ring;21- drive bevel gear;22- transmission shaft;23-
Driving belt.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
Please refer to Fig. 1~3, in the embodiment of the present invention, a kind of high-efficiency sewage pretreatment unit, including support frame 1, screen drum 2 and heavy
Cylinder 13 drops;1 upper end of support frame as described above is fixedly connected with screen drum 2, and 2 upper end of screen drum is communicated with water inlet pipe 3, and water inlet pipe 3 and outside are former
Water connection;Helical blade roller 4 is equipped in the screen drum 2, helical blade roller 4 extends to 2 left side of screen drum and connects by shaft coupling 5
There is driving motor 6, driving motor 6 and external power supply are electrically connected, and driving motor 6 is fixedly connected by mounting plate with support frame 1,
Driving motor 6 drives helical blade roller 4 to rotate, and helical blade roller 4 carries out centralized collection to the rubbish that screen drum retains and pushes away to the right
It send;Door-plate 9 is hinged on the right side of the screen drum 2, door-plate 9 is equipped with handle and lock, is convenient to clean rubbish;
2 lower end of screen drum is nested with the sieve 7 of arc, and sieve 7 carries out primary filtration to sewage, and 2 lower end of screen drum is fixedly connected
There is drip pan 8, drip pan 8 is set in 7 outside of sieve, is collected to sewage;8 lower end of drip pan is connected by downcomer 10
It is connected with water pump 11, water pump 11 is fixedly connected with the mode that support frame 1 is bolted, and water pump 11 is by being communicated with communicating pipe 12
Settlement barrel 13, settlement barrel 13 are conically shaped, are tangentially connected to settlement barrel 13 communicating pipe 12;13 axial centerline of settlement barrel
Equipped with overflow pipe 14,14 upper end of overflow pipe extends to 13 outside of settlement barrel;The water pump 11 is electrically connected with external power supply, water pump
11 by after the sewage pressurization in drip pan 8 from communicating pipe 13 it is tangential be passed through in settlement barrel 13, sewage is formed in settlement barrel 13
Eddy flow, under the influence of centrifugal force, the solid particle in sewage are quickly separated with sewage, compare standing sedimentation, and efficiency mentions significantly
It is high;13 lower end of settlement barrel is communicated with silt case 15, and silt case 15 is collected solid particle, 15 row of being communicated with of silt case
Dirty pipe 16, sewage pipe 16 are equipped with valve 17, facilitate removing sludge.
Embodiment 2
Referring to Fig. 4, the present embodiment the difference from embodiment 1 is that:The drip pan 8 is connected by downcomer 10 and settlement barrel 13
Logical, overflow pipe 14 is arranged with bearing holder (housing, cover) 18, and bearing holder (housing, cover) 18 is fixedly connected with symmetrical agitating plate 19, and 18 upper end of bearing holder (housing, cover) is arranged with
Bevel gear ring 20, bevel gear ring 21 is ratcheting drive bevel gear 21, and drive bevel gear 21 is fixedly connected with transmission shaft 22, transmission shaft
22 extend to 13 outside of settlement barrel and are connected with helical blade roller 4 by driving belt, and bolt blade roller 4 passes through driving belt 23
Transmission shaft 22 is driven to rotate, transmission shaft 22 is rotated by drive bevel gear 20 and bearing holder (housing, cover) 18, and then agitating plate 19 is driven to rotate,
So that centrifugal force effect is received into sewage in settlement barrel 13, so that solid particle is separated with wastewater efficient.
It should be noted that:Sieve, driving motor, water pump are the prior art in the application;Screen drum, helical blade
Roller, drip pan, settlement barrel, bearing holder (housing, cover), the innovative point that agitating plate is the application;By being equipped with bottom there is sieve, inner cavity to be equipped with
The screen drum of helical blade roller realizes retention and collection to suspension rubbish in sewage and bulky grain rubbish;By being equipped with settlement barrel,
By the way of centrifuge separation, efficiently separating for sand grain is realized, the pre- place settled compared to grid or natural gravity
Reason mode substantially increases the efficiency of sewage disinfection treatment.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.