Oily sewage disposal equipment and its processing method
Technical field
The present invention relates to a kind of sewage disposal device, especially a kind of oily sewage disposal equipment and its processing method.
Background technology
With the continuous expansion of the tempo increase and city size of social development, municipal pollution has become the one of today's society
Hang-up, especially water pollution, are not only difficult to for a long time administer, and difficulty of governance are larger, and it is improper to administer, and easily causes diffusion again
Pollution, is unfavorable for environment sustainable development.For the improvement of sewage, most critical is control polluter, only processes dirty in time
Dye source, just can guarantee that follow-up improvement and reduces pollution.For this purpose, prior art has been disclosed some sewage disposal devices, these
Sewage disposal device mostly includes settling zone, filtering area, and settling zone is used for the precipitation of sewage, and filtering area is then filtered to sewage
Purification, needs the industry of profit process according to different industry needs, such as food and drink etc., then needs to arrange corresponding oil-water separation
Area, is less than water using the density of oil, convenient that the oil for being suspended in water surface upper strata is collected process, then sewage is carried out filtering net
Change is processed, and the waste water for meeting discharge standard is entered municipal wastewater pipeline finally.But the sewage disposal device of existing catering trade, by
It is not good enough in precipitation process, more impurity is mixed in causing sewage, oil-water separation and follow-up filtration, purification operation is affected, and it is long
After time-triggered protocol, often easily there is pipeline blockage in Jing, causes to keep in repair the relatively complicated problem of cleaning.For this purpose, needing to existing
Sewage disposal device is improved.
The content of the invention
To overcome above-mentioned deficiency, the purpose of the present invention is to provide a kind of oily sewage disposal equipment and its process side to this area
Method so as to solve that existing same category of device wastewater treatment efficiency is not good enough, the more inconvenient technical problem of clean and maintenance.Its objective is to lead to
Cross what following technical scheme was realized.
The main body of the oily sewage disposal equipment is to separate to be provided with slagging-off area, settling zone, profit in filter box, filter box
Disengagement zone, filtering area, clear water zone, slagging-off area arrange slagging-off mesh screen, the sewage of the material mouth position correspondence filter box of the mesh screen that removes the gred
Import;Its structural feature is the slagging-off mesh screen the first settling zone formed below, and the first settling zone bottom forms inclined-plane, is used for
Collection to solid residue, inclined-plane bottom are provided with the discharging opening with valve, inclined-plane second precipitation formed below of the first settling zone
Area, the inclined-plane are acted on oil-collecting for the second settling zone, convenient that oil slick in second settling zone is guided to profit point
Collection, the discharge of oil slick are realized in area.And first the side of settling zone be provided with the first overflow pipe for leading to the second settling zone,
Control valve is set in one overflow pipe;It is provided with first settling zone for sensing water level in the first settling zone, and controls described
The water level inductive switch of control valve;Second settling zone adjacent area arranges the oil-water separation area, and the second settling zone with
Oil-water separation area is communicated by the second overflow pipe, and the second overflow pipe is located at the mouth of pipe horizontal level in the second settling zone higher than described
The inclined-plane bottom of the first settling zone;Gathering room is provided with the top of the oil-water separation area, is provided with oil-water separation in oil-water separation area
Area and gathering room are separated to form the dividing plate of left and right two parts chamber, and the dividing plate in oil-collecting room is in vertical, and separates gathering room
The both sides oil-collecting chamber for being formed is correspondingly provided with oil drain out, and the dividing plate in oil-water separation area is swash plate, and swash plate is a left side
Chamber is downward-sloping towards right chamber, and swash plate is provided with the conduit for turning on two parts chamber, and the mouth of pipe level height that conduit is located at right chamber is high
The mouth of pipe level height of left chamber is located in conduit;The oil-water separation area right chamber adjacent position arranges the filtering area and clear water
Area, filtering area are provided with filter layer, connect the right chamber bottom in the oil-water separation area above filter layer by the 3rd overflow pipe, filter
Layer lower section is connected to clear water zone top by the mozzle of belt switch valve, and clear water zone is correspondingly provided with discharge outlet, the draining of discharge outlet
Mouth of pipe water level of the water level less than the 3rd overflow pipe above the filter layer, and less than the mouth of pipe water level of clear water zone mozzle;Cross
Mouth of pipe water level of the mouth of pipe water level of the 3rd overflow pipe less than the first overflow pipe in the first settling zone in filter area, and higher than profit point
From the upper surface of gathering room in area.By said structure, realize to sewage stepwise disposal, and first, second settling zone is set, make
Sewage is fully precipitated, and removes solid suspension, so that follow-up oil-water separation and filter effect are more preferable.Especially the first settling zone sets
Water level inductive switch is put, i.e., exoergic sewage effluent is made to the second settling zone when the first settling zone needs water level to reach to a certain degree
In first settling zone, sewage obtains fully precipitation, separation, and the water quality of sewage, the water yield are changed greatly in the first settling zone, therefore sets
Certain water level discharge is put, the impact to equipment in subsequent treatment area is effectively reduced, keeps the oily sewage disposal equipment long-time to have
Effect operation, improves sewage treating efficiency.
The filter box is located at below the discharging opening of first settling zone sky being provided with for placing waste collecting vessel
Between.By the structure, the impurity of the first settling zone precipitation is facilitated to discharge in time, so as to keep the first settling zone to keep preferably sinking
Shallow lake effect, and then improve subsequent treatment effect.
The oily sewage disposal equipment also includes backwash pump, and the water inlet of backwash pump is accessed in the clear water zone,
The outlet of backwash pump is accessed below the filtering area internal filtration layer;When the backwash pump is opened, described first overflows
Control valve in flow tube is opened, and the switch valve of the mozzle of the filtering area to clear water zone cuts out.By setting up backwash pump,
So as to the convenient pipeline to oily sewage disposal equipment carries out back flush, while backwash is carried out to the filter packing of filter layer,
The water passing rate of filter layer is ensured, equipment preferably wastewater treatment efficiency is kept, dismounting or the number of times safeguarded is reduced.
Oil-water separation area bottom is provided with air-floating apparatus, and the air supporting mouth of air-floating apparatus near second overflow pipe
The port of export;Oil-water separation area bottom is provided with guiding guide plate of the bubble towards the gathering room near the air supporting mouth position;Oil-collecting
Ceiling portion is provided with exhaustor.By setting up air-floating apparatus, the air floatation machine work when sewage flows into oil-water separation area, release head will be released
Substantial amounts of micro-bubble is released, micro-bubble makes little particle suspension floating with the suspended oil contact-impact in sewage during rising
Oil gathers and becomes bulky grain oil slick, improves the effect of oil-water separation, and then improves wastewater treatment efficiency.
It is provided with the filtering area adjacent position in the filter box for installing the installation of gas-liquid mixing pump, controller
Room.Make whole set equipment structure more compact, space availability ratio in raising equipment.
Second settling zone, oil-water separation area, filtering area, each bottom of clear water zone are provided with sewage draining exit.By the row of setting
Dirty mouth, facilitates the discharge and cleaning of device interior precipitated impurities after life-time service.
It is provided with the top of the oil-water separation area and liquid level fluid is oriented to the arc guide face for converging to the gathering room, improves collection
Oily effect.
The processing method of the oily sewage disposal equipment includes filter method and back-flushing method.
Filter method is:Sewage enters the slagging-off mesh screen by the wastewater inlet of the filter box, the sewage Jing after slagging-off
Precipitation operation is carried out into first settling zone;Treat that the water level inductive switch of the first settling zone senses that water level meets setting value
When, controlling the control valve and open, the first overflow pipe overflow described in the sewage Jing of the first settling zone is sunk to the second settling zone
Form sediment, when the water level of the second settling zone is higher than the water inlet pipe mouth height of second overflow pipe, sewage Jing the second overflow pipe overflows
To the left chamber in the oil-water separation area, as oil slick density is less than water, therefore oil-water separation, oil concentrates on the gathering room, and with
Fuel head rising, oil slick is overflowed from the oil drain out and is collected, sewage then continues by the left chamber along the dividing plate
To the right chamber, oil-water separation again, oil slick suspend and concentrate on the gathering room conduit jet flow, and raise with pasta, from oil extraction
Mouth overflows to be collected;Above the filter layer that the 3rd overflow pipe enters the filtering area, Jing is filtered the detached sewage of Jing fluid
Water after layer is filtered flow to the clear water zone from the mozzle, as water level is raised, is finally discharged by the discharge outlet;It is logical
The valve for opening first settling zone bottom is crossed, the impurity of the first settling zone bottom is discharged.
Back-flushing method is:The backwash pump is opened, while opening the control valve of first overflow pipe, Yi Jiguan
The switch valve of the mozzle is closed, the water in clear water zone is delivered to filtering area filter layer bottom by backwash pump, and water is along filter layer
Reverse flow, the float of filter layer is taken out of the effect played to filter layer back flush.Subsequently the water of backwash is along above-mentioned
The reverse circulated in sewage flow direction in filter method, accordingly to the conduit, the second overflow pipe, the first overflow pipe and described
In filter box, regional is respectively formed back flush, it is ensured that the stable operation of equipment.
Compact overall structure of the present invention is reasonable, good sewage processing effect, and possesses backwashing function, reduces pipeline blockage,
The reliability of sewage disposal is improved, and reduces the loaded down with trivial details of clean and maintenance.It is suitable as that food and drink etc. is all kinds of to need oil-water separation
Sewage disposal device is used, or the structure of same category of device is improved.
Description of the drawings
Fig. 1 is the internal structure schematic diagram of the present invention.
Fig. 2 is the overlooking the structure diagram of Fig. 1.
Fig. 3 is the left view structural representation of Fig. 1.
Sequence number and entitled in figure:1st, wastewater inlet, 2, slagging-off mesh screen, the 3, first settling zone, 301, inclined-plane, 4, water level sense
Inductive switch, the 5, first overflow pipe, 6, control valve, the 7, second settling zone, 8, garbage collection bucket, the 9, second overflow pipe, 10, profit point
From area, 1001, left chamber, 1002, right chamber, 1003, gathering room, 1004, oil drain out, 1005, exhaustor, 1006, guide plate, 1007,
Dividing plate, 1008, conduit, 1009, arc guide face, 11, air-floating apparatus, the 12, the 3rd overflow pipe, 13, filtering area, 1301, mozzle,
1302nd, discharge outlet, 14, filter layer, 15, backwash pump, 16 clear water zones.
Specific embodiment
In conjunction with accompanying drawing, the invention will be further described.
As Figure 1-3, the main body of the oily sewage disposal equipment is filter box, and slagging-off is separated to form in filter box
Area, settling zone, oil-water separation area, filtering area 13, equipment installing zone and clear water zone 16, slagging-off area arrange slagging-off mesh screen 2, and remove the gred
The wastewater inlet 1 of the gating location correspondence filter box of mesh screen.First settling zone formed below 3 of slagging-off mesh screen, first sinks
Inclined-plane 301 is formed on shallow lake area bottom, and inclined-plane bottom is provided with the discharging opening with valve, is provided with and collects for placing waste below discharging opening
The space of bucket 8.Inclined-plane second settling zone 7 formed below of the first settling zone, and the side of the first settling zone is provided with and leads to second
First overflow pipe 5 of settling zone, arranges control valve 6 in the first overflow pipe;It is additionally provided with first settling zone and sinks for sensing first
The water level inductive switch 4 of water level in the area of shallow lake, for controlling the keying of above-mentioned control valve.Second settling zone adjacent right side region is arranged
Communicated by the second overflow pipe 9 between oil-water separation area, and the second settling zone and oil-water separation area, the second overflow pipe is located at second
Inclined-plane bottom of the mouth of pipe horizontal level in settling zone higher than the first settling zone.It is provided with the top of oil-water separation area and is oriented to for oil-collecting
Arc guide face, arc guide face is central raised to be provided with gathering room 1003;Oil-water separation area bottom is provided with air-floating apparatus 11, and air supporting
The port of export of the air supporting mouth of device near the second overflow pipe;Oil-water separation area bottom is provided with guiding bubble court near air supporting mouth position
To the guide plate 1006 of gathering room.It is provided with oil-water separation area and oil-water separation area and gathering room is separated to form into left and right two parts chamber
The dividing plate 1007 of room, the dividing plate in oil-collecting room is in vertical, and separates the both sides oil-collecting chamber formed by gathering room and correspond to
It is provided with oil drain out 1004, the outlet line of the outer tape splicing valve of oil drain out, the externally connected oil collection barrel of outlet line.Positioned at profit point
Dividing plate in area is swash plate, and swash plate is that left chamber 1001 is downward-sloping towards right chamber 1002, and swash plate is provided with conducting two parts chamber
The conduit 1008 of room, and conduit is higher than mouth of pipe level height of the conduit positioned at left chamber positioned at the mouth of pipe level height of right chamber.Profit
Disengagement zone right chamber adjacent right side position arranges filtering area, equipment installing zone, clear water zone, and filtering area arranges filter layer 14, filter layer
Top connects the right chamber bottom in oil-water separation area by the 3rd overflow pipe 12, by the mozzle of belt switch valve below filter layer
1301 are connected to clear water zone top, and clear water zone is correspondingly provided with discharge outlet 1302, and the discharge level of discharge outlet is less than above filter layer
The 3rd overflow pipe mouth of pipe water level, and less than the mouth of pipe water level of clear water zone mozzle.The mouth of pipe of the 3rd overflow pipe in filtering area
Mouth of pipe water level of the water level less than the first overflow pipe in the first settling zone, and higher than the upper surface of gathering room in oil-water separation area.
The gas-liquid mixing pump of air-floating apparatus, and controller are installed in equipment installing zone.Above-mentioned second settling zone, oil-water separation area, filtration
Each bottom in area is provided with sewage draining exit.
The oily sewage disposal equipment also includes backwash pump 15, and backwash pump is placed in clear water zone, and water inlet connects
Enter clear water zone 16, the outlet of backwash pump is accessed below filtering area filter layer 14;When backwash pump is opened, the first overflow
Control valve 6 in pipe 5 is opened, and the switch valve of mozzle 1301 cuts out.
The processing method of the oily sewage disposal equipment includes filter method and back-flushing method.
Filter method is:Sewage enters slagging-off mesh screen 2 by the wastewater inlet 1 of filter box, and Jing after slagging-off, sewage enters the
One settling zone 3 carries out precipitation operation;When the water level inductive switch 4 of the first settling zone senses that water level meets setting value, control
Valve 6 is opened, and 5 overflow of the first overflow pipes of sewage Jing of the first settling zone is precipitated to the second settling zone 7, treats the second settling zone
When water level is higher than the water inlet pipe mouth height of the second overflow pipe 9, the left chamber of sewage Jing the second overflow pipe overflows to oil-water separation area 10
1001, when sewage flows into oil-water separation area, air-floating apparatus 11 work, and air supporting mouth discharges substantial amounts of micro-bubble, small gas
Bubble rise during with sewage in suspended oil contact-impact, gather little particle suspension oil slick and become bulky grain oil slick, then
Water, therefore oil-water separation are less than using oil slick density, oil concentrates on gathering room 1003, and as fuel head is raised, from oil drain out
Oil spill is gone out to collect by 1004, and sewage then continues 1008 jet flow of conduit by left chamber on dividing plate 1007 to right chamber 1002, again oil
Liquid is separated, and oil slick suspends and concentrates on gathering room, and raises with pasta, overflows from oil drain out and collects;The detached sewage edge of Jing fluid
3rd overflow pipe 12 is entered above 13 internal filtration layer 14 of filtering area, and the water after filtering layer is filtered flow to clear water from mozzle 1301
Area 16, as water level is raised, is finally discharged by discharge outlet 1302;By the valve for opening the first settling zone bottom, by first
The impurity of settling zone bottom is discharged.
Back-flushing method is:Backwash pump 15 is opened, while the control valve 6 of the first overflow pipe 5 is opened, and closing is led
The water of clear water zone 16 is delivered to 14 bottom of filter layer by the switch valve of flow tube 1301, backwash pump, and filter layer is carried out reversely
Rinse, the reverse circulated in water sewage flow direction along above-mentioned filter method of subsequent backwash, accordingly to conduit 1008, the
In two overflow pipes 9, the first overflow pipe and filter box, regional is respectively formed back flush.
Above content is intended to the technological means for illustrating the present invention, not limits the technical scope of the present invention.Art technology
Personnel do conspicuously improved to the present invention with reference to existing common knowledge, also fall into the claims in the present invention protection domain it
It is interior.