Background technology
Along with improving constantly of people's material life, be on the increase in cities and towns grand hotel, big hotel; After China's entry into the World Trade Organization, increase with exchanging day by day of countries in the world, the rate of going to sea of passenger steamer, ocean passenger steamer also constantly increases, therefore the dining room discharge water is to the pollution problem of urban environment, the surplus sewage in passenger steamer kitchen is to the pollution problem of ocean, become serious problems of current society, had influence on and the international relations that exchanges country.
On the other hand, kitchen waste water is handled, so that the circulation profit of water also is the important topic of conserve water resource.
At present, oil trap is adopted in the oil removing of kitchen or sewage from catering business mostly, utilizes the proportion difference of profit, in the regular hour, makes the grease come-up in the sewage, then buoyant oil is removed, thereby is reached the effect of oily water separation.The ubiquitous problem of oil trap is, the weak effect of oily water separation, and stench and pollute impurity and can't remove causes the environment stench, and therefore the place of having relatively high expectations for environmental health is not easy to be provided with oil trap.In addition, the loss of oil slick in the oil trap not only improves the cost of disposing of sewage again, and causes the waste of resource.
In addition, the surplus sewage in the kitchen of considerable part is without being discharged into urban pipe network, flow into sewage work and handle, the problem of being brought is to contain a large amount of animal-plant oil in these sewage, very easily stop up urban pipe network, and bring burden to sewage work, because oily(waste)water is difficult to handle, use chemical substance to handle usually, therefore improve cost of sewage disposal greatly, and bring secondary pollution problem.
The inventor's publication number is to propose a kind of separating oil from kitchen sewage device that is suitable for handling sewage from catering business in the utility application of CN201062214, this divides oily device to comprise a tank body, and this tank body has second room of ccontaining first room that does not separate sewage and ccontaining separated oil, water; Be installed in the oily water separation part that is used for oily water separation within the tank body, the inside of oily water separation part surrounds first room, and outside and described inner tank wall surrounds second room; Be positioned at the sump oil discharge equipment that is used to discharge isolated sump oil on tank body top; And be fixed on inner tank wall one side be used to overflow the water purifying clear water pipe that overflows.
Owing in the sewage of meal kitchen various impurity are arranged, as big solid dirt, fiber-like dirt, flow directly into the oily device of branch, then be very easy to twine the proof submersible sand discharging pump that divides oil system and cause inlet channel to stop up, often dredge and safeguard the then waste of manpower of proof submersible sand discharging pump and water inlet pipe, financial resources, and it is constant to bring for the use that divides oily device, has reduced equipment work efficient.
In addition, this separating oil from kitchen sewage device is after using after a while, the impurity that is contained in the meal kitchen sewage can accumulate on the oily water separation part inwall in the oily-water seperating equipment, thereby stop up the oily water separation part, so also can influence the working efficiency of equipment, even cause the oily water separation part not work.
In addition, contain vegetable and animals oils in the sewage of meal kitchen, when temperature is crossed when low, vegetable and animals oils is easily condensed, and particularly in the winter time, the temperature of meal kitchen sewage is very low, vegetable and animals oils is condensed on the inwall of oily water separation part, thereby stop up the oily water separation part, cause the oily working efficiency of branch of oily water separation part to reduce, even can not work.
Summary of the invention
The purpose of this utility model is to provide a kind of separating oil from kitchen sewage system at above problem, this system architecture is simple, branch oil is effective, can be to the oily water of handling the surplus sewage in kitchen and/or obtaining from swill, discharge isolating oil and water simultaneously after making in the oily water profit be separated into oil and water rapidly, the rate of recovery of sump oil is reached more than 98%, and can prevent that the branch oil system from stopping up, reduce maintenance, significantly improve the working efficiency of equipment.
For realizing above-mentioned purpose of the present utility model, the utility model provides a kind of separating oil from kitchen sewage system on the one hand, comprise the following integral part that is linked in sequence: the surplus waste disposal plant in kitchen has the residual sea water pump and the strumbox that links to each other with residual sea water pump of the surplus sewage in pumping kitchen; Header tank is positioned at strumbox below and communicates with strumbox, is used for collecting through the surplus sewage in the filtering kitchen of filter box; The oily device of branch to oily(waste)water carries out oily water separation links to each other with header tank, has tank body and is arranged on a jar intravital oily water separation part that makes oil, water sepn in the sump oil water.
In addition, comprise that also sewage lagoon or the waste water container, particularly residual sea water pump of collecting the surplus sewage in kitchen are the proof submersible sand discharging pump with cutting unit, it is settled in sewage lagoon or the waste water container.Particularly, place cartridge filter in sewage lagoon or the waste water container, proof submersible sand discharging pump is placed in the cartridge filter.
Particularly, the oily water separation part is tubular construction, and its top is closed by cap seal, and the bottom has opening, and its inner first room that forms forms second room between its outside and the inner tank wall, and header tank links to each other with first room by wet-pit; The top of tank wall sets out hydraulic fluid port, and the bottom is provided with pure water inlet, and the tank body side is provided with the excessive pipe of water purification, the excessive pipe of water purification lower end communicates with pure water inlet, the upper end has overflow port, and the height of overflow port is lower than the height of oil outlet, and the height of selection overflow port is lower than the height 1-6cm of oil outlet.Particularly, the oil outlet place is provided with Height Adjustable baffle plate, and baffle plate removably is fixed on the tank wall by fastening piece, by the height of controllable register with respect to tank wall, makes the height of overflow port keep below the height 1-6cm of oil outlet.
In addition, also comprise washing unit, it has the washpipe of the band spray orifice that is arranged on oily water separation part inside.Washing unit comprises the device that supplies water to washpipe, and as wet-pit, the water-in of wet-pit communicates with second room.
In addition, also comprise the swill treatment unit, have the swill filtration unit that is used for filtering out the swill profit, the swill treatment unit communicates with header tank or strumbox.
In addition, also comprise first heating unit and second heating unit, wherein, first heating unit is arranged in the header tank, and second heating unit is arranged in the oily device of branch, to oily(waste)water and/or separating oil, water have heated.Particularly, second heating unit comprises the well heater that is arranged on oily water separation part inside and is arranged on well heater between oily water separation part and the tank body.
Particularly, tank body comprises the dirty section of the collection of cylinder section and closed cylinder pars infrasegmentalis, and the dirty section of collection is arcs of recesses or back taper down, and its bottom is washpipe, sewage water inlet pipe and blow-off pipe fixedly.
The utility model on the other hand, a kind of separating oil from kitchen sewage system is provided, comprise the following integral part that is linked in sequence: the swill treatment unit, have the swill filtration unit and the waterworks that are used for filtering out the swill profit to spraying water in the swill filtration unit, collecting tank, communicate with the swill filtration unit, be used to collect the effusive oil-containing water of swill filtration unit; To the oily device of branch that oily(waste)water carries out oily water separation, have tank body and be arranged on a jar intravital oily water separation part that makes oil, water sepn in the sump oil water.
Wherein, the oily water separation part is tubular construction, and its top is closed by cap seal, and the bottom has opening, and its inner first room that forms forms second room between its outside and the inner tank wall, and collecting tank links to each other with first room by wet-pit; The top of tank wall sets out hydraulic fluid port, and the bottom is provided with pure water inlet, and the tank body side is provided with the excessive pipe of water purification, and the excessive pipe of water purification lower end communicates with pure water inlet, and the upper end has overflow port, and the height of overflow port is lower than the height of oil outlet.
The utility model has the advantages that:
1, the utility model greasy dirt moisture oil system is simple in structure, oil-water separation is good, the sump oil rate of recovery in the surplus sewage in the kitchen of handling reach more than 98%, the vegetable and animals oils concentration content of handling in the sewage of back meets country's " integrated wastewater discharge standard ", is suitable for the oily water separation of the big bistro in cities and towns, the surplus sewage in passenger steamer kitchen, ocean.
2, the utility model adopts physical separation method to handle the sewage that contains vegetable and animals oils, not only can the recycling vegetable and animals oils, and the sewage that can avoid containing vegetable and animals oils enters urban pipe network, pollute to environment, and the secondary pollution problem of avoiding chemical treatment method to bring to environment.
3, the utility model greasy dirt moisture oil system can be discharged isolating oil and water simultaneously after sewage is separated into oil and water, has improved the working efficiency of equipment greatly.
4, in the utility model greasy dirt moisture oil system, can prevent effectively that by being provided with washing unit dirt in the sewage is to stop up, animal oil does not stop up the oily water separation part in the time of can preventing in the winter time the equipment operation by heating unit is set and when night, equipment was not worked, therefore reduce the maintenance service of system, improved the working efficiency of equipment greatly.
Below in conjunction with accompanying drawing the utility model is elaborated.
Description of drawings
Fig. 1 is the composition synoptic diagram of the utility model separating oil from kitchen sewage system embodiment one;
Fig. 2 is the composition synoptic diagram of the utility model separating oil from kitchen sewage system embodiment two;
Fig. 3 is the composition synoptic diagram of the utility model separating oil from kitchen sewage system embodiment three;
Fig. 4 is the cross section enlarged view of the oily water separation part of the utility model separating oil from kitchen sewage system use.
Description of reference numerals: 1, divide oily device; 2, oily water separation part lid; 3, oily water separation part; 4, capping; 4a, sealing; 5a, first room; 5b, second room; 6, the second room well heater; 6a, the second room transmitter; 7, the first room well heater; 7a, the first room transmitter; 7b, fixing catch; 8, oil outlet; 9, baffle plate; 10, fuel tank, 11, pasta observation tube; 12, oily bleed valve; 13, supporting seat; 13a, back-up ring; 14, Cap for tin body; 14a, handle; 15, joint flange; 16, tank body; 16a, cylinder section; 16a ', pure water inlet; 16b, the dirty section of collection; 17, clear water overflows and manages; 17a, overflow port, 18, water purification rising pipe; 19, supporting leg; 20, blow-off pipe; 20a, blowdown motorized valve; 20b, blowdown manual valve; 21, washpipe; 22, wash-down water water inlet pipe; 23, sewage water inlet pipe; 24, wash-down water outlet; 25, flushing pump; 26, first wet-pit; 26a, be used for the valve of wet-pit; 27, collect dirty chamber; 29, level sensor; 30, filtration unit; 31, strumbox; 31a, one-level are filtered; 31b, cascade filtration; 31c, three-stage filtration; 32 header tanks; 33, the surplus sewage import in kitchen; 34a, swill sump oil water out; 34, swill sump oil water inlet; 35a, header tank water outlet; 35, the maintenance platoon mouth of a river; 36, the surplus sewage water inlet pipe in kitchen; 37, second wet-pit; 38, filter vat; 39, the surplus sewage drainage pipe in kitchen; 40, sewage lagoon; 41, check valve; 42, the 3rd wet-pit; 43, swill treatment unit; 44, header tank well heater; 45, swill treatment unit casing; 46, swill strainer; 47, shower nozzle; 48, switch; 49, collecting tank; 50, magnetic valve; 51, silk screen; 52, oleophylic layer of fibers; 53, breakdown of emulsion layer; 54, casing ply.
Embodiment
Embodiment one
With reference to Fig. 1, shown the composition synoptic diagram of the utility model separating oil from kitchen sewage system embodiment one.
As shown in Figure 1, the utility model separating oil from kitchen sewage system comprises oily device 1 of branch and the device that the surplus sewage in kitchen that supply with to divide oily device 1 is handled, and the surplus waste disposal plant in kitchen comprises proof submersible sand discharging pump 37 (i.e. second wet-pit 37) and to carrying out filtering filtration unit 30 through the surplus sewage in the kitchen of proof submersible sand discharging pump 37 pumpings.Consider in the sewage of meal kitchen various impurity are arranged, as big solid dirt, fiber-like dirt, these impurity flow directly into the oily device of branch, then be very easy to twine residual sea water pump and cause inlet channel to stop up, often dredge and safeguard the then waste of manpower of proof submersible sand discharging pump and water inlet pipe, financial resources, and the use of giving the branch oil system brings constant and has reduced equipment work efficient, so proof submersible sand discharging pump 37 adopts cutting type proof submersible sand discharging pumps.Cutting type proof submersible sand discharging pump can be at first with cutting such as big solid dirt contained in the sewage or fiber-like dirt be ground into molecule or the mud shape after again with effluent stream by these residual sea water pump 37 discharges; prevented that not only residual sea water pump 37 from being twined so that burning out by impurity, and prevented to carry the line clogging of sewage.
Proof submersible sand discharging pump 37 directly can be placed in sewage lagoon or the waste water container 40, its water outlet by the surplus sewage import 33 in the filtration unit water inlet pipe 36 and the kitchen of filtration unit 30 link to each other (proof submersible sand discharging pump 37 be placed in a filtering net or the band mesh filter vat 38 in, filter vat 38 is placed in sewage lagoon or the waste water container 40); Filtration unit 30 has by last cascade filtration 31a, 31b and 31c from setting down, and every grade of filtration is filtered drawer by one and constituted, and each filters in drawer can add the filtration silk screen of being convenient to disassembly, cleaning.
Be provided with in the filter vat 38 and detect two ball floats of water level up and down, wherein upper floating ball is used for control startup proof submersible sand discharging pump 37, and following ball float is used for control and cuts off proof submersible sand discharging pump 37.
Filtration unit 30 belows are provided with header tank 32, and the sewage behind the impurity flows by gravity into header tank 32 after filtration.The surplus sewage import 33 in kitchen is positioned at strumbox 31 tops, and header tank 32 tops are provided with swill sewage import 34b (see figure 2), and header tank 32 bottoms are provided with filtration unit water outlet 35a and filtration unit maintenance platoon mouth of a river 35b, and the former height is higher than the latter.Water outlet 35a links to each other with first wet-pit 26, so that give branch oily device 1 oily(waste)water pumping in the header tank 32.
In header tank 32, be provided with first heating unit, can be electric heater 44.In addition, also liquid level detection device 29 can be set, present embodiment comprises three ball floats that are divided into upper, middle and lower according to the position, is used for three liquid levels in detected set water tank 32 interior upper, middle and lower respectively.Wherein, upper floating ball is used for control and disconnects proof submersible sand discharging pump 37 and start first wet-pit 26, and middle ball float is used for control and starts proof submersible sand discharging pump 37, and following ball float is used for control and cuts off first wet-pit 26.
In the use; flow in sewage lagoon or the waste water container 40 from water shoot 39 from the surplus sewage in the kitchen in kitchen; after being placed on filter vat 38 filtrations in sewage lagoon or the waste water container 40; give filtration unit 30 by 37 pumpings of cutting type proof submersible sand discharging pump; contained solid dirt or fiber-like dirt etc. greatly discharged after at first being cut the cutting unit cutting of type proof submersible sand discharging pump 37 or being ground into molecule or mud shape in the sewage, is pumped in the filtration unit 30 by water inlet pipe 36 and filters.
Below with reference to as shown in Figure 1, the structure of dividing oily device 1 in the utility model separating oil from kitchen sewage system is described.Divide oily device 1 to comprise tank body 16 and the oily water separation part 3 that is placed in tank body 16 inner chambers, oily water separation part 3 tops are by lid 2 sealings.Wherein, tank body 16 is divided into cylinder section section 16a and the dirty section of collection 16b two portions, and the dirty section of illustrated collection 16b is arcs of recesses down, but also can be back taper or doline.In tank body 16, horizontal support seat 13 is established in the position between cylinder section 16a and the dirty section of the collection 16b, and oily water separation part 3 is placed on the supporting seat 13.By oily water separation part 3, the first room 5a and the second room 5b that tank body 16 inside are divided into, the inside that is oily water separation part 3 surrounds the first room 5a, form the second room 5b between the inwall of oily water separation part 3 and tank body 16, the ccontaining unsegregated oily(waste)water of the first room 5a, the ccontaining separated oil of the second room 5b, water.Space between collection dirty section 16b and the supporting seat 13 is called dirty chamber 27, the first room 5a of collection and communicates with the dirty chamber 27 of collection.
The dirty section of collection 16b establishes blow-off pipe 20, wash-down water water inlet pipe 22 and sewage water inlet pipe 23 in the bottom.Wash-down water water inlet pipe 22 shown in Figure 1 is positioned on the medullary ray of tank body 16, blow-off pipe 20 and sewage water inlet pipe 23 are positioned at wash-down water water inlet pipe 22 both sides, wherein sewage water inlet pipe 23 1 ends link to each other with first wet-pit 26, the other end passes the dirty section of collection 16b wall and branch oily water separation part 3 inside are stretched in the dirty chamber 27 of collection, and the oily(waste)water of first wet-pit, 26 pumpings is sent in the first room 5a by valve 26a (can adopt individual event valve), sewage water inlet pipe 23; Blow-off pipe 20 1 ends communicate with the dirty chamber 27 of collection, the other end is established motorized valve 2a (motorized valve can adopt magnetic valve or electrical ball valve) and/or manual valve 2 by threeway, open motorized valve 2a and/or manual valve 2b, can make by the dirt that precipitates among the first room 5a and discharge by blow-off pipe 20; Wash-down water water inlet pipe 22 1 ends communicate with washpipe 21, and the other end links to each other with scavenging pump 25.
Oily water separation assembly of the present utility model is by the cylindrical shell shape of oily water separation part 3 with lid 2 top seals that constitute, bottom opening, and the bottom communicates with the dirty chamber 27 of collection.The oily water separation part is removably on the horizontal support seat 13, supporting seat 13 is an annular, both be used to support oily water separation part 3, form the passage that sewage water inlet pipe 23 and washpipe 22 stretch into the first room 5a again, the dirty chamber 27 of the second room 5b and collection is isolated, so that isolate sewage and separated water purification.
Because the oily water separation part needs frequent scrubbing or replacing, so oily water separation part 3 can be settled or be connected on the supporting seat 13 by the fixedly back-up ring 13a that is arranged on the supporting seat 13.In addition, can between the bottom of oily water separation part 3 and supporting seat 13, sealing-ring be set, prevent that oily(waste)water from leaking into from oily water separation part 3 bottoms the second room 5b and reduce the oil removing rate of oily water.
Establish the first room transmitter 7a and the first room well heater (can be heating rod) 7 in the first room 5a, transmitter 7a and heating rod 7 can directly be fixed on the oily water separation part lid 2.
In addition, also can adopt as shown in Figure 1 transmitter 7a and the mounting structure of well heater 7.As shown in Figure 1, it is 2 rounded that the oily water separation part covers, the middle part has the lower concave part that enters in the oily water separation part 3, lower concave part is provided with at least three holes, comprise centre hole and at least two side openings that are positioned at the centre hole side, wherein, centre hole is positioned at the tank body axial line, connection section for washpipe 21 passes, and two side openings pass so that insert among the first room 5a for the transmitter 7a and the first room well heater 7 respectively.
Capping 4 can embed in the lower concave part of oily water separation part lid 2, between capping 4 and lower concave part, establish sealing-ring 4a, offer in the capping 4 with lower concave part on centre hole and side opening hole one to one separately, the nut that passes through of the first room transmitter 7a and the first room well heater (can be heating rod) 7 is installed in the capping 4, during installation, by making the first room transmitter 7a and the first room well heater (can be heating rod) 7 pass centre hole on the lower concave part and side opening and capping 4 is embedded in the lower concave parts, and capping 4 is placed in the lower concave part.Such structure has made things convenient for the installation of transmitter 7a and well heater 7.
Washpipe 21 is passed the lower concave part and the capping 4 of the first room 5a inside, oily water separation part lid 2 successively by tank body 16 bottoms, by the connection section of nut screwing clamping in washpipe 21 upper ends being made capping 4 compress oily water separation part lid 2, thus oily water separation part 3 is fixed on the supporting seat 13.
Tank body 16 1 sides are established fuel tank 10, and opposite side is established the excessive pipe 17 of clear water.Tank body 16 wall tops set out hydraulic fluid port 8, and the bottom is if pure water inlet 16a '.The logical pure water inlet in the excessive pipe of water purification 17 lower ends communicates, and the overflow port 17a of upper end leads to water purification rising pipe 18.The height that the height of overflow port 17a should be lower than oil outlet 8 is 1cm (being that the distance that oil outlet 8 lower edges exceed overflow port 17a lower edge is at least 1cm) at least, preferred 1-6cm.Overflow port 17a and oil outlet 8 are used for discharging respectively isolating water purification and sump oil.Owing to adopt such structure, isolating profit can flow out tank body 16 by oil outlet 8 and pure water inlet 16a ' simultaneously while separating, and therefore the working efficiency of dividing oil system is provided greatly.
Oil outlet 8 places are provided with Height Adjustable baffle plate 9, establish the installation adjustment hole that vertically extends on the baffle plate 9, by passing fastening piece such as screw (not shown) that adjustment hole is installed baffle plate 9 removably is fixed on tank body 16 walls, by moving up and down controllable register 9 along adjustment hole is installed, so that controllable register 9 is with respect to the height of tank wall, thereby adjust the distance that hydraulic fluid port 8 lower edges exceed overflow port 17a lower edge, as between 1-6cm, regulating arbitrarily.
Oily bleed valve 12 is established in fuel tank 10 bottoms, the side is established pasta observation tube 11 near the position of bottom and is communicated with fuel tank 10 bottoms, can adopt transparent glass tube, is used to observe the fuel head in the fuel tank, when collection is expired oil in observing fuel tank, open oily bleed valve 12 and discharge oil in collection container.
In addition, at the fixing some supporting legs 19 in the bottom of whole tank body 16, will divide oily device 1 to be fixed on the pedestal by supporting leg 19.
Because the utility model divides oil system in use for some time, can adhere to impurity and animal oil on the oily water separation part 3 and stop up oily water separation part 3, cause the oily water separation decrease in efficiency of the oily device 1 of branch, even can not work., take measures from two aspects for this reason, the one, the routine cleaning device is set, the 2nd, heating unit is set, will be illustrated respectively below.
With reference to shown in Figure 1, be equipped with washing unit at the utility model separating oil from kitchen sewage device 1, be used for oily water separation part 3 inwalls and wash.This washing unit has the scavenging pump 25 that is positioned at tank body 16 outsides, and (scavenging pump 25 can be a self priming pump, as clear water Scroll-tupe vacuum primingpump), the set wash-down water outlet 24 in cylinder section 16a bottom, the water-in of scavenging pump 25 communicates with the second room 5b by wash-down water outlet 24; The water port of scavenging pump 25 links to each other with washpipe 21 by wash-down water water inlet pipe 22.Washpipe 21 runs through the first room 5a and extends, the upper end closed of washpipe 21 also has the connection section that nut can be installed, the lower end is weldingly fixed on the dirty section of collection 16b bottom and communicates with wash-down water water inlet pipe 22, be provided with a plurality of spray orifices around washpipe 21 tube walls, when starting scavenging pump 25, export 24 clear water that extract in the second room 5b by wash-down water, and it is pumped into washpipe 21, by the spray orifice ejection, so that the inwall of purge oil water sepn part 3.
In addition, also be provided with second heating unit in the oily device 1 of branch of the present utility model, comprise electrically heated rod 7 that is placed among the first room 5a and the electrically heated rod 6 that is placed among the second room 5b, respectively to the oil among the oily water to be separated among the first room 5a and the second room 5b, water heating, it is maintained the temperature between 30-60 ℃, be preferably between 35-50 ℃, stop up oily water separation part 3 with inside in case the stop vegetables oil condenses in oily water separation part 3 surfaces.Electrically heated rod 7 stretches into the oily water separation part 3 inner chambers length of oily water separation part about 2/3 at least, therefore, in order to prevent that heating rod 7 rocks when washing, on oily water separation part 3, establish fixing catch 7b to settle heating rod near the position of heating rod bottom, fixing catch 7b also can be fixed on the washpipe 21.
Fig. 4 shows the viewgraph of cross-section of oily water separation part 3, is the four-layer structure of adjacency successively from the inside to the outside, comprises casing ply 54, breakdown of emulsion layer 53, oleophylic layer of fibers 52 and silk screen layer 51.Wherein, casing ply 54, breakdown of emulsion layer 53 and silk screen layer 51 can be by corrosion-resistant and have the stainless material of strong rigidity to make, and the order scope of counting of breakdown of emulsion layer 53 is the 40-100 order, selects 80 orders; The order scope of counting of silk screen layer 51 is the 60-120 order, selects 100 orders.In this four-layer structure, stainless steel insert layer 54 is made by porous plate, play fixed supporting role, breakdown of emulsion layer 53 is used to destroy profit molecule bonding force, oleophylic layer of fibers 52 is used for little oil droplet is gathered into larger oil droplet, 52 fixed actions of 51 pairs of oleophylic layer of fibers of outermost Stainless Steel Cloth prevent its distortion.
Below with reference to Fig. 1 the surplus process sewage process in the utility model separating oil from kitchen sewage system handles butyraceous kitchen is described.
Surplus sewage drainage pipe 39 flows into sewage lagoon 40 to the surplus sewage in kitchen through the kitchen, when liquid level rises to the liquid level of upper floating ball control, start proof submersible sand discharging pump 37 to the surplus sewage in strumbox 31 pumping oil-containing kitchens (when liquid level drops to the position of ball float, cut off proof submersible sand discharging pump 37, prevent that proof submersible sand discharging pump 37 from being burnt out under anhydrous state).
Sewage installs 30 after filtration and filters in the back inflow header tank 32.The liquid level of header tank 31 rises gradually, when reaching upper floating ball control liquid level, cuts off proof submersible sand discharging pump 37, stops pumping sewage, is overflowed by header tank 32 to prevent sewage; Simultaneously, connect first wet-pit 26, to minute oily device 1 pumping sewage.When the oily(waste)water liquid level in the header tank 32 drops to the liquid level of middle ball float control, start the proof submersible sand discharging pump 37 surplus sewage in pumping kitchen once more, when the oily(waste)water liquid level in the header tank 32 reaches upper floating ball, cut off proof submersible sand discharging pump 37, so cycle operation, the sewage in sewage lagoon 40 are pumped to when ball float is controlled liquid level down in the filter vat 38 and cut off till the proof submersible sand discharging pump 37.Afterwards, when the oily(waste)water in the header tank 32 drop to it down during liquid level of ball float control, cut off first wet-pit 26.
The oily(waste)water that is pumped in the first room 5a overflows by oily water separation part 3 and by its outside surface, and oil and water sepn also enter among the second room 5b.In the second room 5b, because the water oil ratio method of double differences makes oil float on the isolating water purification water surface, when isolating oil cumulative, when pasta is elevated to oil outlet 8, oil is discharged and is collected in the fuel tank 10 through oil outlet 8, and water purification flows in the upflow tube 17 by the outlet 16a ' of water purification tank body 16 bottoms in the second room 5b, when the water purification liquid level of oily water separation reaches the height of overflow port 17a, then water purification is drawn by overflow port 17a and water purification rising pipe 18, so that enter urban drainage pipe network.
Be pumped in the oily(waste)water in the first room 5a by first wet-pit 26 and often have dirt, in the working process, oily(waste)water is by oily water separation part 3 time, dirt can accumulate on the internal surface of oily water separation part 3, the resistance of oily water separation part 3 is increased, need regular inwall to clean oily water separation part 3.For this reason, can be when wet-pit 35 quits work, start scavenging pump 25, from the second room 5b, extract clear water, by the inwall inject high pressure current of washpipe 21 to oily water separation part 3, the dirt that High-Pressure Water will stick on oily water separation part 3 inwalls washes, and accumulates in the dirty section of collection 16 bottoms of tank body 16, open motorized valve 2a or manual valve 2 emptying dirts, close motorized valve 2a or manual valve 2b afterwards.
Embodiment two
Fig. 2 shows the composition synoptic diagram of the utility model separating oil from kitchen sewage system embodiment two.
With reference to shown in Figure 2, the utility model separating oil from kitchen sewage system comprises surplus waste disposal plant in kitchen and swill treatment unit 43.Wherein, the surplus waste disposal plant in kitchen is substantially the same manner as Example 1, has just increased a swill sump oil water inlet 34 on the top of header tank 32; Swill treatment unit 43 obtains oily(waste)water from swill or swill, and is supplied to header tank 32 by swill sewage import 34.
Swill treatment unit 43 has casing 45 and is arranged on the filtration unit that is used to hold pending swill in the casing, the strainer 46 that comprises the top opening, strainer 46 belows also can be provided with filtration (as shown in Figure 2), filter 46 tops spray equipment (as shown in Figure 3) is set, comprise shower nozzle 47 and the hot-water line that is connected with shower nozzle, by switch 48 control shower nozzle water sprays, so that the pending swill spray hot water in strainer 46, filtration can be stirred the swill in the strainer 46 by hand mixer, the agitator (not shown) that swill is stirred perhaps can be set, so that the greasy dirt in the swill is fully separated in the strainer 46 by the hot water of spray.Filter the bottom and the sidewall band mesh of drawer, have enough gaps between the sidewall of strainer 46 and casing 45 sidewalls, the profit of being convenient in the swill flows out, and collecting tank 49 is established in the filtration unit below, is used for collecting from the effusive profit of swill.
During work, the swill of collecting is poured in the strainer 46, to its spray water or hot water, made oil in the swill flow into the collecting tank 49 of swill treatment unit 43 bottoms with water that applies or hot water by spray equipment.In order to make the quicker outflow of profit in the swill, can in spray hot water, stir swill by agitator.
The treating processes of the surplus sewage in oil-containing kitchen is with embodiment one in the present embodiment.
The process that adopts the utility model to divide oil system processing swill is described below with reference to Fig. 2.
As shown in Figure 2, the swill material is added in the swill treatment unit 43, to its spray hot water, the profit in swill drawer after filtration filters in the back inflow collecting tank 49.Open magnetic valve 50, oily(waste)water flows in the header tank 32.
When the liquid level of header tank 32 rises gradually, when reaching upper floating ball control liquid level, cut off magnetic valve 50, overflow by water collecting basin to prevent sewage; Simultaneously, connect first wet-pit 26, to minute oily device 1 pumping sewage.When sewage level drops to the liquid level of middle ball float control, open magnetic valve 50 and supply oily(waste)water once more, close magnetic valve 50 when the liquid level of the oily(waste)water in the header tank 32 reaches the liquid level of upper floating ball control, so cycle operation is till the oily(waste)water in collecting tank 49 has been arranged.Afterwards, in the oily(waste)water in the header tank 32 constantly is pumped into minute oily device 1 and liquid level is constantly descended, when reaching the liquid level of ball float control down, cut off first wet-pit 26.All the other are with the treating processes of the surplus sewage in kitchen.
Embodiment three
Fig. 3 is the composition synoptic diagram of the utility model separating oil from kitchen sewage system embodiment three.
The utility model separating oil from kitchen sewage system shown in Figure 3 comprises surplus waste disposal plant in kitchen and swill treatment unit 43.Wherein, the surplus waste disposal plant in kitchen is identical with embodiment one; Swill treatment unit 43 is basic identical with the structure among the embodiment two, difference be in, the oily(waste)water that obtains from swill or swill is supplied to filtration unit 30 by the surplus sewage import 33 in kitchen, referring to shown in Figure 3, the collecting tank 49 of swill treatment unit 43 has swill sump oil water out 34a, it links to each other with the surplus sewage import 33 in the kitchen of filtration unit 30 by the 3rd wet-pit 42, so that oily(waste)water is pumped to filtration unit 30.
The outlet of the 3rd wet-pit 42 can be provided with check valve 41, and the outlet of proof submersible sand discharging pump 37 can be provided with the check valve (not shown) to prevent sewage backflow.
In the present embodiment, can be with the surplus sewage one of oily(waste)water and kitchen that from swill or swill, obtains after at first device filters after filtration, be pumped to the oily device of branch through first wet-pit 26 again and carry out oily water separation.
The process of the treating processes of the surplus sewage in kitchen and processing swill is with embodiment two.
Although embodiment two and three provides the swill treatment unit to divide two kinds of set-up modes in the oil system in the present invention, but it will be appreciated by those skilled in the art that, the collecting tank of this swill treatment system directly (and not by strumbox 31) links to each other with first wet-pit 26, gives the first room 5a that divides oily device so that carry out oily water separation the oily(waste)water pumping in the collecting tank by first wet-pit 26.
Although more than disclose several by way of example of the present utility model, any modification, the improvement that do not deviate from the utility model design all will fall into the utility model protection domain defined by the claims.