CN206045584U - For processing the equipment of waste water - Google Patents

Abstract

A kind of equipment for processing waste water, including the first pond, at least one waterwater entrance of the first pond, for making waste water be passed through in the entrance area in the first pond；At least one wastewater outlet, for waste water is discharged from the exit region in the first pond, wherein, proportion less than 1, the pollutant of such as fat, oil and oils and fatss can be deposited in the top of waste water；At least one sensor, is arranged on the outer wall in first pond in predetermined height, for not determining that the neighbouring sensor is in the presence of the water in the first pond in the predetermined altitude with the case of the water physical contact；For the device of the pollutant being removed from first pond in the predetermined height or the neighbouring predetermined altitude；And controller, for the operation of pollutant removal device being controlled in response to the signal received from least one sensor when the sensor is indicated and do not have water.

Description

For processing the equipment of waste water

Technical field

This utility model is related to the method and apparatus for processing waste water, and is particularly directed to from cleaning facility The waste water in (tank of such as commercial kitchen) downstream removes the equipment of fat, oil and oils and fatss (hereinafter referred to as FOG).The equipment may be used also It is suitable to remove solid waste, such as food waste from the waste water.

Background technology

Generally, the waste water discharged from the tank of commercial kitchen or Food Outlets includes the oils and fatss in emulsified state, and The oils and fatss solid (the usually form of food waste) of suspension.Such pollutant can cause the blocking of drainage system and/or row The fouling of filtration system or pump in the water treatment plant in water system downstream.

The effluent of the FOG points of contamination in commercial kitchen be typically derived from steam combination oven, convection current barbecue baking box, Convection current barbecue baking box, sink, preflush groove, dish-washing machine, lid (canopies) etc..Which jointly uses and applies hot water (generally Temperature is from 40 DEG C to 85 DEG C), to process FOG pollutions, FOG is flushed away in the waste water stream from such device wherein.

For these reasons, depending on country, usual forced commercial kitchen operation certain type of blocking apparatus are installed with FOG, commonly referred to grease trap were collected before FOG enters sewer.In addition, being local wastewater collection system in FOG Where focus, have built up inspection program to guarantee that these grease traps or blocker routinely are maintained.

From simple Sedimentation tank, (referred to as " passive " grease trap, which needs week to the complexity of known grease trap The manual intervention of phase property is pumping out or otherwise remove oils and fatss), to arrange to considerably complicated structure, which is provided top layer Fat, oil and oils and fatss are automatically skimmed and are collected to the external container of neighbouring trapping component positioning, commonly referred to " automatic " oils and fatss Catcher or GRU (oils and fatss removal unit) or oil recovery unit.

Passive grease trap is substantially simply have waterwater entrance and for the row of being connected to an end The relative end of outlet pipe has the Sedimentation tank of outlet.Generally baffle arrangement in the pond with interrupt waste water entrance and exit it Between direct circulation.It is very unpleasant and time-consuming task to empty grease trap.Also it is difficult to know when must go to Except the FOG of accumulation.

Automatic grease catcher includes automatic oil skimmer arrangement, generally using the oil skimmer device of rotation, its form be disk, Drum, annulus or pipe, installed in pond top and be connected to drive arrangement skimming plant is moveable into and out grease trap Waste water in pond.When skimming plant removes water and is subsequently cleared up by instrument, the surface collection of water of the skimming plant from pond FOG, the instrument (such as scraper) provide scraping or extruding action on skimming plant, are arranged in skimming plant and return to water In before the FOG of collection is led into into collection device.Collection device is typically situated in the single container or water of the side in pond Pond (reservoir).Such automatic grease catcher can need frequently to safeguard and clear up, and can be expensive.

The illegal recycling (referred to as waste oil) of waste oil is health problem in many countries (particularly China).Cause This, it is important that, there is provided can verify that for amount for collecting the FOG in grease trap is recorded to guarantee which is correctly processed.It is logical This is typically to cross known automatic grease catcher (being particularly those automatic grease catchers using rotation oil skimmer device) It is impossible.

Another problem is that, grease trap tends to not by periodic maintenance, therefore further result in the low of grease trap Effect.Support that such evidence stated is, from a large amount of statistical datas obtained by the company of drainage network (with regard to being attributable to FOG's The service provider of the quantity and cleaning drainage jam of blocking).It is related to blocking and the quantity of contamination accident of fat, oil and oils and fatss Also increasing.State all over Britain has about 200 every year, 000 sewer blockage, wherein up to 75% is caused by FOG.Clear up these blockings Sterlings up to a million are expended every year.Enterprise also risks the risk for blocking its own drainage system, and this is subjected to volume in causing cleaning work Outer expense.These fatty tampers can cause sewer to overflow around impacted place and beyond both place scopes place The risk that water, odor problem and mouse are invaded and harassed.In fact, fat, oil and oils and fatss and food waste are entered discharge pipe every time The risk of the drainage problem for undergoing destructive and expensive is risked all.In the U.S., the estimated blocking of annual sewer 400,000 time, and Municipal sewer spilling water is more than 40,000 times.EPA is it has been determined that sewer from blocking is the first cause of sewer spilling water, and oil Fat is the main cause of sewer blockage.Even if the FOG of accumulation does not develop into blocking and sanitary sewer spilling water, which can also destroy Water reuse is operated and increases operation and maintenance requirement.

Utility model content

According to this utility model, there is provided a kind of equipment for processing waste water, which includes the first pond, first water Pond has at least one waterwater entrance, for making waste water be passed through in the entrance area in the first pond；At least one wastewater outlet, uses In making waste water discharge from the exit region in the first pond, wherein, proportion less than 1, the pollutant energy of such as fat, oil and oils and fatss Enough precipitations (settle out) are at the top of waste water；At least one sensor, is arranged on first pond in predetermined height Outer wall on, for not with to determine and be in the in the predetermined altitude in the neighbouring sensor in the case of water physical contact The presence of the water in one pond；For institute being removed from first pond in the predetermined height or the neighbouring predetermined altitude State the device of pollutant；And controller, for when the sensor indicates no water in response to from described at least one Sensor receive signal and control the operation of pollutant removal device.

At least one baffle plate is may be provided between the entrance area in the first pond and the exit region, to provide use Outside the convoluted path of waste water is to promote pollutant to rest on waste water.

Preferably, described or each sensor includes field effect transistor.

In one embodiment, at least three sensors can be by arranged in linear arrays in the described outer of first pond The predetermined height on wall, only when at least two at least three sensor indicate no water, the control Device processed just operates the pollutant removal device.

The pollutant removal device may include pump, and the pump leads to the with predetermined height or neighbouring predetermined height The pollutant entrance in one pond.The pollutant entrance is can be located on the predetermined altitude so that be contained in the first pond Layer of contaminants is maintained on the top of interior waste water.

In one embodiment, the controller is programmed to stop detection in the first water when at least one sensor (to indicate and there are pollutant in the predetermined height) in the presence of the water of the predetermined height in pond, operational pollution thing Removal devices, to remove pollutant from the first pond, before with latter time operational pollution thing removal devices, controller is subsequent At least one sensor is waited to detect the presence of water again.

In one embodiment, the controller is programmed to stop detection in the first water when at least one sensor (to indicate and there are pollutant in the predetermined height) in the presence of the water of the predetermined height in pond, start pollutant Removal process, the contaminant removal process are comprised the following steps, and operate pollutant removal device a predetermined time section To remove layer of contaminants, such as FOG layers from the first pond；Add and add water to the first pond one predetermined period and/or until The water of addition predetermined；And repeating said steps until at least one sensor again this detect the presence of water, it Stopping contaminant removal process is till at least one sensor stops the presence of detection water again afterwards.

If controller can be programmed at least one sensor after predetermined time period or activity failed again The secondary presence for detecting water a, it indicates that mistake.

In another embodiment, whether the controller can be programmed to detection at least one sensor in pre- timing Between stop detection in the first pond in the predetermined height after section or with predetermined time interval (such as once a day) The presence of water, and the operational pollution thing removal devices when at least one sensor stops the presence of detection water.

The equipment can further include for wherein store predetermined water the second pond and provide for Make water that the device in the first pond is passed through from the second pond under the control of controller, second pond is from the described useless of the first pond Water out receives waste water, for making water may include pump from the device that second pond is passed through first pond.Described second Pond can have drain outlet, for the waste water beyond the predetermined is discharged from the second pond.

Controller can be programmed to after pollutant removal device has been operable to remove pollutant from pond, and operation is used In the device for making water that first pond is passed through from second pond, detect at least up at least one sensor The predetermined altitude is in the presence of the water in the first pond, and controller is programmed to the behaviour for preventing the pollutant removal device Make until at least one sensor is detected till the presence of the water that the predetermined altitude is in the first pond.

The equipment further includes cistern, and the cistern is suitable to via the pollutant removal device from described One pond receives pollutant.

One device can be arranged for stirring the pollutant collected at the top of the waste water in the first pond.Agitating device can Including one or more reciprocally or the oar that is rotatably driven.Controller can be programmed at predetermined intervals and/or when described At least one sensor indicates to operate described device when the predetermined height does not have water in the first pond, to stir collection In the pollutant at the top of waste water.

Preferably, controller is suitable to communicate with remote location, such as calling set or mobile phone.

The equipment can further include that (such as food gives up for solid waste is removed in the waste water from the first pond upstream Thing) device.Device for removing solid waste may include to be arranged on grease trap upstream, for supplying from waste water in Separate and collect the filter screen or filter element of food waste.Device for removing solid waste includes one or more filtrations Disk, filter drum filter deck board, so that solid material is collected when liquid efflunent passes to the first pond.In alternative embodiments, Device for removing solid waste is may include for the decomposable asymmetric choice net of solid waste and/or biodegradable is filtered from waste water Sack, waste water are discharged by the eyelet in sack, and the eyelet preferably diameter is less than 4mm.Compression device can be provided for Waste water is squeezed out into sack.Device for removing solid waste can merge heater element, such as hot-air blower.

Can be provided for adding additive (such as calcium hydroxide/Calx) to detached solid waste and be given up with adjusting solid The pH of thing and/or for example by pasteurizing process remove solid waste stink device.

Preferably, sack and food waste receiving material can be recycled by anaerobic digester decompose or instead by For the regenerative resource in cogeneration of heat and power.

Sack is preferably sufficiently solid standing crawl, for example, throw away 5 meters of distance on crust, without splitting and Receiving material is allowed to overflow.

Sack can have the device for being used to be attached to lower embedded equipment (may be attached to the outer swing bag holding of External tilting door Device, which forms the sealing around sack upon closing, and is funnel (tun dish) at its base portion to collect effluent simultaneously Effluent is imported into grease trap).Sack can be sealed with rope rope or the like.

Description of the drawings

Referring now to accompanying drawing, only described according to embodiment of the present utility model by way of example for processing setting for waste water It is standby, wherein：

Fig. 1 is the schematic diagram of the sewage treatment equipment according to embodiment of the present utility model；

Fig. 2 is the signal of the grease trap device assembly of the equipment for wastewater treatment according to embodiment of the present utility model Figure；

Fig. 3 is the signal of the grease trap device assembly of the sewage treatment equipment according to another embodiment of the present utility model Figure；

Fig. 4 is the another view of the grease trap device assembly of Fig. 3；

Fig. 5 is the schematic diagram of the sewage treatment equipment of the modification according to another embodiment of the present utility model；

Fig. 6 is the schematic diagram of the sewage treatment equipment according to another embodiment of the present utility model；And

Fig. 7 is the schematic diagram of the sewage treatment equipment according to another embodiment of the present utility model.

Specific embodiment

Fig. 1 is exemplified with the equipment for processing waste water according to first embodiment of the present utility model.The equipment includes A part 100 and Part II 200, Part I include that food waste is removed and dry run, for removing from waste water Solid pollutant, particularly food waste, Part II include FOG removal process, for FOG is removed from waste water.

Part I 100 includes closing cabin 102, and which there is kitchen to flow out at the upside of first end wall 104 in cabin Thing entrance 103.Downwards the aslope deck board 105 (having multiple holes formed therein) that filters is from flowing out with the kitchen at upper end Thing entrance 103 is adjacent to extend downwardly into the lower end terminated at adjacent to solid outlet 106 (leading to spiral dewaterer 108), filters Cabin 102 is divided into upper and lower region by deck board 105, and thus the material from kitchen effluent entrance 103 is passed through cabin 102 Upper region and be located at filter deck board 105 upper end, liquid efflunent by through filter deck board 105 in hole be collected in cabin 102 lower region, and solid material passes downwardly through inclined filtration deck board 105, to leave cabin 102 via solid outlet 106 With into spiral dewaterer 108.

Heater blower 110 may be mounted to that the upper end in cabin 102, the air of heating be blown over cabin 102, from Shang Qu Domain blows into lower region, blows over filtration deck board 105, and liquid efflunent is simultaneously blown by the solid waste being travel downwardly along filter screen so as to drying Filtration deck board 105.Vent 112 is arranged on the lower region in cabin 102.Vent 112 can arrange active in its exit Carbon filter 113 is preventing noxious emission.The heats of heater blower 110 also remain any in liquid efflunent FOG in suspend (when its in the first portion when).There is provided in the Part II 200 that can also improve equipment to the heat of effluent FOG removal effects.Heat exchanger is used for the oils and fatss of the Part II 200 for transferring heat to equipment in may be provided at cabin 102 Waste liquid in catcher 202, such as by way of heat exchanging fluid (such as water).

The liquid efflunent collected below the filtration deck board 105 in the lower region in cabin 102 is passed via effluent is arranged on Pass the transmission pump 114 of the effluent in pipe 116 and be pumped to Part II 200.

Spiral dewaterer 108 with conical compression part is by the solid waste pressure of the solid outlet 106 from cabin 102 Contract dehydration.The solid waste for being compressed and being dehydrated can spiral dewaterer 108 downstream collect, for subsequent process and/ Or dispose.

It is passed through effluent transmission pipe 116 to be pumped to second of equipment from the liquid efflunent of spiral dewaterer 108 Divide 200.

Chopper pump (not shown) may be provided at the upstream in cabin 102, for will be received in the food in effluent stream and its His solid waste chopping is the granule of consistent size to reduce the risk of blocking.

The Part II 200 of sewage treatment equipment include for by FOG from the detached grease trap of liquid efflunent 202 And have dike cistern for detached FOG, waste water are collected in 202 downstream of grease trap for leading to discharge pipe 206 (bunded storage tank)204。

Fig. 2 illustrates in greater detail for processing the equipment of waste water second according to first embodiment of the present utility model Part 200.Grease trap 202 includes that (which has in the waterwater entrance 4 at first end and at the second end in the first pond 2 Wastewater outlet 6), multiple baffle plates 8 (are arranged in the first pond 2 and pond 2 are passed through between waterwater entrance 2 and wastewater outlet 6 to provide Coiling or roundabout flow path so that fat, oil and oils and fatss (FOG) and with less than 1 proportion any other with The immiscible pollutant of water can be deposited on the top of the waste water in the upper region in the first pond 2).

Preferably, waterwater entrance 4 is arranged at the respective end adjacent with the upper region in pond 2 in the first pond 2 so that waste water quilt It is delivered in the upper region in pond 2.Wastewater outlet 6 can be arranged on the end wall relative with the end wall comprising waterwater entrance 4 in pond 2 In, and the upper region in pond 2 can be adjacent to arrange so that the water only above the predetermined altitude in the first pond 2 spills into useless Outside water out 6.

Sensor array 10 is arranged on the sidepiece in the first pond 2.Sensor array 10 is included on the outer wall in the first pond 2 Row's noncontact water sensor 12, for the water in predetermined height (i.e. at the position of the sensor 12) detection cell 2 Exist.In the illustrated embodiment, four sensors 12 are arranged in rows in the predetermined height, it is contemplated that can set Put three or more sensors.Arranging more than one sensor reduces the risk misread, as will be described in more detail.Can be with Envision, only using single sensor, although this does not provide the favourable fail safe benefit for arranging three or more sensors, such as Hereinafter will be described in more detail.

In a preferred embodiment, the sensor 12 of sensor array 10 includes field effect transistor.Field effect transistor Digital, solid-state electronic devices, the conductive material of its detectable such as water, without with these material directly contacts.This The sensor of sample incorporates controller, and when conductive object is sensed, the controller switches its output state.Such sensing Device need not operate moving parts, buoy or any other mechanism.When voltage is provided to each sensor, low work(is produced Rate, sightless field.This is directly emitted through the side wall in the first pond.When conductive material (such as water) enters admission, sensor Detection changes and indicates event by corresponding output signal.Such sensor is known to be used as water in extensive application Level sensor.However, contrary to expectations, in this utility model, sensor is used to determine there is no water, indicates in sensing There is FOG in pond at the height of device array 10.

FOG removes during pump 14 is arranged on the first pond 2 or neighbouring first pond 2, for by FOG and other pollutant from the first pond 2 are transferred to FOG cisterns 204.FOG remove pump 14 be suitable at the height of the sensor 12 of sensor array 10 or near which from First pond 2 removes FOG or other pollutant.In one embodiment, the FOG entrances for being connected with FOG removal pumps 14 may be adapted to slightly FOG is received from the first pond at the height of the height of micro- sensor 12 higher than sensor array 10 so that FOG layers maintain waste water Top, even if FOG remove circulation after the completion of it is also such.The heat insulation that the FOG layers can be used as at the top of waste water is covered Layer, so as to reduce the heat loss from waste water.Which increase the efficiency of FOG removal process.

Rotatable oar 16 is may be provided in the upper region in the first pond 2, and which can be by such as Motor drive stirring collection FOG in the first pond, so as to prevent that sclerderm or solid area are formed in the FOG layers collected in the first pond 2.

FOG cisterns 204 may include dike pond with prevent leakage, and can have blender 32, such as rotatably or The oar for driving is moved back and forth, to prevent oils and fatss from solidifying.FOG cisterns 204 can also have sensor, such as in the top in pond Proximity Sensor 34, for determining the height of the material in pond 204 and being particularly used for determining when pond 204 fills.

System controller 18 is provided for the behaviour that pump 14 is removed based on the signal control FOG received from sensor array 10 Make, as will be described in more detail.System controller 18 includes programmable logic controller (PLC), and which is programmed to according to timer And/or the signal control oils and fatss received from sensor array 10 remove the operation of pump 14 and oar 16, as described below.

The wastewater outlet 6 in the first pond can connect the waterwater entrance 22 in the second pond, and so as to limit Buffer Pool 20, which is suitable to Pump 14 is removed by FOG and performs the water that predetermined is kept before FOG goes division operation, the predetermined is substantially equal to or omits The maximum volume of micro- FOG being collected in more than expection in the first pond, as described in more detail below.

Buffer Pool can be equipped with heat exchanger, its capture heat energy.Generally, waste water is entered at a temperature of between 40 DEG C to 85 DEG C System.The energy can be used to help oils and fatss to stop solidification and float away (rafting).

Buffer Pool 20 has the wastewater outlet 24 for leading to discharge pipe 25.Proximity Sensor 26 may be provided at Buffer Pool 20 Upper wall is covered, for sensing the water level in Buffer Pool.

Water transport pump 28 is arranged on the bottom of Buffer Pool 20, its be arranged under the control of system controller 18 by water from Buffer Pool 20 pumps into the first pond 2.

The operation of the operation of the grease trap of Fig. 2, particularly system controller can be as follows：

In the normal operation period, waste water is passed through the first pond 2 and the wastewater outlet 6 via the first pond 4 via waterwater entrance 4 Buffer Pool 20 is spilled over to the waterwater entrance 22 of Buffer Pool 20, and subsequently discharge is entered via the wastewater outlet 24 of Buffer Pool 20 Pipe.During such operation, the sensor 12 of sensor array 10 detects the presence of water in the first pond 2, so as to indicate system Normal operating.

When waste water is by the first pond 2, around baffle plate 8 when, the FOG with the proportion less than 1 and other are immiscible with water Pollutant are deposited in the top of waste water to collect in the upper region in the first pond 2.During such normal operating, system control Device 18 can be programmed to operate stirring paddle 16, preferably with predetermined time interval (according to the built-in timer of system controller 18) Stirring paddle 16 is intermittently operated, and to stir FOG, solid sclerderm or solid area is formed so as to prevent.

When FOG layers are built-in immediately in the first pond 2, the border between waste water and FOG layers will eventually arrive at sensor array 10 Height.At this moment, sensor 12 can send the signal for not having water, so as to indicate the FOG at the height of sensor 12 in pond 2 Presence, instruction need remove FOG.

Once at least three in four sensors 12 of sensor array 10 send the signal for not having water, system controller 18 just start FOG removes circulation, starts the operation that FOG removes pump 14, extracts FOG out first ponds and be transmitted into FOG water-retentions Pond 204.Meanwhile, system controller 18 can start the operation of stirring paddle 16.

System controller 18 can be programmed to operate FOG to remove the predetermined period of pump 14 1 and/or until sensing device refers to Illustrating till remove all of FOG layers, for example, sensing FOG removal pumps 14 and pumping out air rather than FOG.At this moment, it is System controller 18 operates Water transport pump 28 water is pumped into the first pond 2 from Buffer Pool 20.Water is added into the first pond 2 from Buffer Pool 20 The water level in the first pond 2 is raised so that the sensor 12 of sensor array 10 detects depositing for the water in the first pond 2 again So as to reset system.

In one embodiment, each FOG removes circulation and may include to operate FOG to remove the predetermined period of pump 14 1 with from the One pond 2 removes the FOG of predetermined, so as to remove FOG layers from the first pond 2.Subsequently, Water transport pump 28 is operated, and is preferably operated In one predetermined period, the water of predetermined is pumped in pond, the predetermined is approximately corresponding to be removed by FOG removal pumps 14 FOG volume.Next repeat the circulation, operate FOG to remove the predetermined period of pump 14 1 and subsequently operate Water transport pump 28, To remove subsequent FOG layers water consumption substitution FOG.Controller can be programmed to add from alternate source after the circulation of predetermined number The first pond 2 is added water to, to avoid draining Buffer Pool 20.The circulating repetition is examined again to all the sensors 12 of sensor array 10 Till measuring the presence of water, then the system is reset.

System controller 18 can be programmed to the horizon sensor 34 in FOG cisterns 204 and indicate FOG cisterns 204 FOG is closed when filling and removes pump 14.When there is this event, system controller 18 can provide the instruction of the system failure, and which can lead to Cross SMS information send to predetermined Mobile Directory Number with to director's early warning system operatio can by again this start before it is necessary Empty FOG cisterns 204.

Although the use of Water transport pump 28 and Buffer Pool 20 is described for raising water level in the first pond 2 to reset sensing Device array 10, but it is contemplated that resetting for sensor array 10 can be by the waterwater entrance 4 via the first pond 2 by water It is passed through the first pond 2 and (other systems of waste water is for example received from it from cleaning facility or the first pond 2, or from water source is substituted, if being If system controller determines that Buffer Pool 20 is drained from) realizing.

System controller 18 can be programmed to only when fail within a predetermined period of time by by waste water via waterwater entrance 4 just During the height that normal open enters the first pond 2 and improves the water level in the first pond 2 to sensor array 10, by operating Water transport pump 28, sensor array 10 is reset using the water from Buffer Pool 20.

When by improving the water level in the first pond 2 until the sensor 12 of sensor array 10 detects the presence of water again And reset sensor array 10 and (by water is pumped back in the first pond 2 from Buffer Pool 20, or enter the via from waterwater entrance 4 The waste water in one pond 2, or during via 2) water being passed through the first pond from alternate source, system controller 18 can send via SMS and reset letter Number to predetermined Mobile Directory Number, with early warning director.

If sensor array 10 is not reset in predetermined period, which may indicate that one or more mistakes in sensor 12 Effect, or the first pond 2 is polluted by oils and fatss in the region of one or more of sensor 12, then fault message will be sent by SMS Should be closed to predetermined Mobile Directory Number with early warning director, and system.

In alternative embodiments, as illustrated in Fig. 3 and 4, at least one another sensor 12A may be arranged at and compare sensor On the higher height of the sensor 12 of array 10.System controller 18 can be programmed in response to from another sensor 12A's The single FOG of signal operation removes circulation.In one embodiment, controller 18 can be programmed to check another sensor 12A Whether stop detecting in the first pond described after predetermined amount of time or with predetermined time interval (such as once a day) The presence of predetermined height water, and when at least one sensor stops detecting the presence of water, operational pollution thing is removed Device.Because another sensor 12A is higher than remaining sensor 12, the FOG at such height will be than at remaining FOG at the height of sensor 12 is more concentrated and is less mixed with useless water and air.Therefore, sensor 12A is not easy to miss Read, and therefore only need a sensor.In alternative embodiments, it is only necessary to another sensor 12A, omit remaining sensing Device 12, concentrate and less emulsifying and another sensor 12A in the oil layer that do not mix with air position there is provided more Good accuracy and therefore avoid for the needs of multiple sensors.

Fig. 5 is exemplified with the sewage treatment equipment according to another embodiment of the present utility model.In such embodiments, give up Water is received through the vertical stacking arrangement of the filtering table 302,304,306 in cabin 300, and each filtering table goes out from each waste water Mouth 308,310,312 receives waste water, and the solid material (such as food waste) being thus entrained in waste water is separated from waste water And be maintained in each filtering table 302,304,306.First embodiment as shown in Figure 1, heater blower 314 are arranged on The upper end in cabin 300 is blowing over cabin 300 by the air of heating, blow into lower region from upper region and blow over each filtering table 302nd, 304,306, in order to be dried the solid waste collected wherein.

The waste water collected in the bottom in cabin 300 is pumped to grease trap 400, grease trap via Water transport pump Can be with regard to embodiment same type described above above.

Heat exchanger 320 can be arranged in the lower region in cabin 300, for heating heat-transfer fluid, to transfer heat to appearance The waste water being contained in grease trap 400.

The equipment may include sensing device, device of such as weighing, for detecting when filtering table 302,304,306 needs clearly It is empty/to change.

In another embodiment of the present utility model, as illustrated in figure 6, food solid can pass through revolving filter 500 remove from the effluent of 400 upstream of grease trap, and revolving filter has rotatable filter drum 502, and (which has has The cylindrical outer wall in hole), thus liquid efflunent passes through the outer wall of drum 502, and to be passed in grease trap 200, and solid is useless Thing is maintained in drum and can be from drum 502 end pass-out.Then, solid waste can be collected in solid waste collection Dehydrating device, such as spiral dewaterer 600 were passed to before in case 620.Waste water from spiral dewaterer 600 can be by suitable Pump 602 by the logical main body for returning to revolving filter 500, to be passed into grease trap 200.Revolving filter 500 can be located at Above grease trap 200 and spiral dewaterer 600 so that detached liquid and solid waste can be divided under gravity Grease trap 200 and spiral dewaterer 600 are not passed through.

As embodiment above, Buffer Pool 20 may be provided at the downstream in the first pond 202 of grease trap 200, and water can It is pumped back in the first pond 202 to reset sensor array 10, as discussed above from the Buffer Pool 20.In PLC controls Under the control of device 208, when sensor array 10 indicates to there are oils and fatss, collect in the first pond 202 of grease trap 200 Oils and fatss can be pumped to FOG cisterns 204, again such as with regard to embodiment above as discussed above.

Fig. 7 is preferably meant to be used for less exemplified with the sewage treatment equipment according to another embodiment of the present utility model Kitchen and home applications in.Compact filter element 700 comprising removable filter screen plate 702 is arranged on grease trap 710 Upstream, for being passed through the pond 712 of grease trap 710 in waste water (FOG comprising entrainment) under gravity before in filter screen plate 702 Middle collection food waste.

Embodiment above is the same, and sensor array 714 (preferably includes the field effect transistor of four horizontal aliguments 716) it is arranged on the outer wall in pond in predetermined height, to detect that the presence in the FOG of the predetermined height (is not deposited according to water ), PLC 718 transmits pump 720 with periodically by FOG from the pond of grease trap 200 using this information control FOG The 712 FOG cisterns 730 for pumping into dike.

In use, waste water (such as from tank) is passed into filter element 700 to pass through filter screen plate 702, wherein, solid Waste (such as food waste) is collected.Waste water is discharged by filter screen plate 702 and is passed through grease trap 710 under gravity Pond 712, wherein FOG are separated and are rested on the upper surface of the water in pond 702.As FOG layers are set up, single order is reached Section, in this stage, at least three instructions of four sensors 716 of sensor array 714 lack water, so as to indicate in sensing There are oils and fatss at the height of device array 714.This causes controller 718 to start FOG removal circulations, and thus FOG transmission pump 720 is operated A predetermined time Duan Yicong pond 712 removes FOG layers and FOG is transmitted into cistern 730.When in pond 712 water level raise (by In from filter element 700 or from another source addition waste water), it is all or most of until sensor array 714 When this detects the presence of water again, FOG removes circulation and is reset sensor 716.If FOG removes circulation without when predetermined Between reset in section, then can register a mistake and close system.

This utility model is not limited to embodiment described herein, in the range of without departing from this utility model, can be by Revision is changed.

Claims (25)

1. a kind of equipment for processing waste water, including：First pond, first pond have at least one waterwater entrance, For making waste water be passed through in the entrance area in the first pond；At least one wastewater outlet, for the going out from the first pond by waste water Mouth region domain is discharged, wherein, pollutant of the proportion less than 1 can be deposited in the top of waste water；At least one sensor, in predetermined height It is arranged at degree on the outer wall in first pond, for not determining the neighbouring sensor with the case of water physical contact The presence of the water in the first pond is in the predetermined altitude；For in the predetermined height or the neighbouring predetermined altitude The device of the pollutant is removed from first pond；And controller, for when the sensor indicates no water The operation of the pollutant removal device is controlled in response to the signal received from least one sensor.

2. equipment as claimed in claim 1, it is characterised in that the pollutant are fat, oil and oils and fatss.

3. equipment as claimed in claim 1, it is characterised in that the inlet region of at least one baffle plate setting in the first pond Between domain and the exit region.

4. equipment as claimed any one in claims 1 to 3, it is characterised in that the sensor or each sensor include Field effect transistor.

5. equipment as claimed any one in claims 1 to 3, is included in the predetermined altitude and sentences arranged in linear arrays in institute At least three sensors on the outer wall in the first pond are stated, only when at least two instructions at least three sensor are haunted When having water, the controller just operates the pollutant removal device.

6. equipment as claimed any one in claims 1 to 3, it is characterised in that the pollutant removal device includes pump, institute State pump to connect with the pollutant entrance towards the first pond in the predetermined height or the neighbouring predetermined altitude.

7. equipment as claimed in claim 6, it is characterised in that the pollutant entrance is located on the predetermined altitude, is made Obtain layer of contaminants is maintained on the top of the waste water being contained in the first pond.

8. equipment as claimed any one in claims 1 to 3, it is characterised in that the controller be programmed to when it is described extremely A few sensor stop detection in the first pond the predetermined height water presence so as to indicate described pre- When determining to there are pollutant at height, the pollutant removal device is operated, to remove the pollutant from the first pond, then, Before subsequent time operation pollutant removal device, the controller waits at least one sensor to detect again The presence of water.

9. the equipment as any one of claim 1-3, it is characterised in that the controller be programmed to when it is described at least One sensor stops detecting that the presence of the water in the first pond in the predetermined height makes a reservation for described so as to indicate When there are pollutant at height, start contaminant removal process, the contaminant removal process is comprised the following steps：Predetermined Time period operates the pollutant removal device to remove layer of contaminants from the first pond；Predetermined time period by water add to First pond and/or the water until added predetermined；And repeating said steps until at least one sensor again this The presence of water is detected, stops contaminant removal process afterwards until at least one sensor stops detecting the presence of water again.

10. equipment as claimed in claim 9, it is characterised in that layer of contaminants is FOG layers.

11. equipment as claimed in claim 8, it is characterised in that if the controller is programmed in predetermined time period Or after activity, at least one sensor fails the presence for detecting water again, it indicates that be out of order.

12. equipment as claimed any one in claims 1 to 3, it is characterised in that the controller is programmed to check described Whether at least one sensor stops detection in the first pond described after predetermined amount of time or with predetermined time interval The presence of the water of predetermined height, and when at least one sensor stops the presence of detection water, operational pollution thing is removed Device.

13. equipment as claimed in claim 12, it is characterised in that predetermined time interval is once a day.

14. equipment as claimed any one in claims 1 to 3, further include the water for storing predetermined wherein The second pond and for making water that the device in first pond is passed through from second pond under the control of the controller Part, second pond receive waste water from the wastewater outlet in the first pond.

15. equipment as claimed in claim 14, it is characterised in that for making water pass to first water from second pond The device in pond includes pump.

16. equipment as claimed in claim 14, it is characterised in that second pond has drain outlet, with from the second water Discharge the waste water beyond the predetermined in pond.

17. equipment as claimed in claim 14, it is characterised in that the controller is programmed in pollutant removal device After being operable to pollutant be removed from pond, operate the device so that water is passed through first water from second pond Pond, detects existing for for the water that is in the first pond in the predetermined altitude at least up at least one sensor Only, the controller is programmed to the operation for preventing the pollutant removal device until at least one sensor is detected Till the presence of the water that the predetermined altitude is in the first pond.

18. equipment as claimed any one in claims 1 to 3, further include cistern, and the cistern is suitable to via institute State pollutant removal device pollutant are received from first pond.

19. equipment as claimed any one in claims 1 to 3, further include to collect in the first pond for stirring The device of the pollutant on the top of waste water.

20. equipment as claimed in claim 19, it is characterised in that the agitating device includes one or more reciprocally or can The oar being rotatably driven.

21. equipment as claimed in claim 19, it is characterised in that the controller is programmed at a predetermined interval and/or works as At least one sensor is indicated and operates described device when the predetermined height does not have water in the first pond, to stir Collect the pollutant on the top of waste water.

22. equipment as claimed any one in claims 1 to 3, it is characterised in that the controller is suitable to logical with remote location Letter.

23. equipment as claimed in claim 22, it is characterised in that the controller is suitable to logical with calling set or mobile phone Letter.

24. equipment as claimed any one in claims 1 to 3, including solid for removing in the waste water from the first pond upstream The device of body waste.

25. equipment as claimed in claim 24, it is characterised in that the solid waste is food waste.