CN105481132A - Oil separation lifting treatment method for restaurant wastewater - Google Patents
Oil separation lifting treatment method for restaurant wastewater Download PDFInfo
- Publication number
- CN105481132A CN105481132A CN201610069495.2A CN201610069495A CN105481132A CN 105481132 A CN105481132 A CN 105481132A CN 201610069495 A CN201610069495 A CN 201610069495A CN 105481132 A CN105481132 A CN 105481132A
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- China
- Prior art keywords
- water
- separation tank
- water separation
- oil
- sewage lifting
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- 238000000926 separation method Methods 0.000 title claims abstract description 99
- 239000002351 wastewater Substances 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 148
- 239000010865 sewage Substances 0.000 claims abstract description 58
- 239000007788 liquid Substances 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims description 21
- 239000004519 grease Substances 0.000 claims description 11
- 239000002699 waste material Substances 0.000 claims description 10
- 230000007423 decrease Effects 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000007789 sealing Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 239000010806 kitchen waste Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physical Water Treatments (AREA)
- Sewage (AREA)
Abstract
The invention discloses an oil separation lifting treatment method for restaurant wastewater. The method includes the following steps of firstly, separating sundries out of restaurant wastewater; secondly, achieving oil-water separation through an oil-water separation tank; thirdly, achieving sewage lifting discharge through a sewage lifting box. At least one liquid distribution baffle of a porous structure is additionally arranged at the liquid inlet position of the oil-water separation tank, and the baffles stand in the oil-water separation tank in a perpendicular state or an inclined state so that a fed liquid distribution guide system can be formed. An overflow weir type water sealing device is adopted between the oil-water separation tank and the sewage lifting box. When wastewater enters the oil-water separation tank, it can be ensured that a uniform flow dividing effect and the effect of reducing short flow and turbulent flow of wastewater are achieved, so that flowing dead zones are avoided; it can also be ensured that water layer stability breakage caused when discharged water in the sewage lifting box is too concentrated and forms vortexes in water layers is avoided.
Description
Technical field
The present invention relates to a kind of Waste Water Treatment Methods for Restaurants, particularly relate to a kind of food and drink waste water oil removal and promote treatment process.
Background technology
The administering method of current most of oil-containing waste water of catering is newly-built oil separation equipment or builds oil trap.From the test-results of oily water separation, the residence time of oil-containing waste water of catering in static oil separation equipment is longer, and the effect being separated oil slick from water is better.Existing traditional oil separation equipment and technology mainly contain: traditional civil engineering oil trap, as: parallel flow intercepter, tilted plate intercepter, small-sized oil trap, a kind of unpowered grease trap etc.This traditional oil removal method is all adopt more traditional technology, backwardness relatively, and the main not foot point of existence has:
1, traditional oil trap and grease trap oil removal weak effect, pre-treatment is not effective, and affects follow-up sewage disposal operation;
2, oil removal casing amasss excessive, and floor space is large;
3, because the foreign material in sewage are separated preferably, enter oil removal separator box, long time sedimentation needs labor cleaning or draws clearly, and operating environment is on duty mutually;
4, the capacity utilization of oil removal separator box is not high;
5, legacy equipment, investment is comparatively large, and management is also inconvenient;
6, the pipe water in equipment and water flowing out structure very easily produce short stream, eddy current, cycling stream;
7, need artificial oil skimming, operating environment is poor, reliably dangerous, to grease clearly the work of drawing bring very burden, cause operator be unwilling clear up grease, equipment cannot normally be used, and water outlet is not up to standard.
Summary of the invention
The present invention aims to provide a kind of food and drink waste water oil removal and promotes treatment process, and it ensures waste water can play uniform divided flows effect and reduce waste water short stream, turbulent flow when entering water separation tank, in order to avoid form flow dead; Can also ensure in sewage lifting case, avoid draining too concentrated, in water layer, form whirlpool, destroy the stable of water layer.
Solution of the present invention is: a kind of food and drink waste water oil removal promotes treatment process, and it comprises the following steps: step one, food and drink waste water foreign material are separated; Step 2, employing water separation tank realize oily water separation; Step 3, employing sewage lifting case realize sewage lifting discharge; Wherein, the feed liquor place of described water separation tank has installed at least one vesicular structure dosing baffle plate additional, described baffle plate in vertical state or heeling condition stand in described water separation tank and form feed liquor and distribute guidance system; The water seal arrangement of overflow weir formula is adopted between described water separation tank and described sewage lifting case.
As the further improvement of such scheme, described water seal arrangement is weir formula overflow plate.
As the further improvement of such scheme, on the diapire that described baffle plate is fixed on described water separation tank or sidewall.
As the further improvement of such scheme, the manipulation running through Intelligent control cabinet of described water separation tank and described sewage lifting case realizes, and described Intelligent control cabinet is by controlling the level change of described water separation tank to improve lifting separating area utilization coefficient.
As the further improvement of such scheme, food and drink waste water is separated by food and drink waste water foreign material, and the most of foreign material in waste water are tackled automatically, and oily(waste)water carries out oily water separation by feed liquor distribution guidance system in described water separation tank; Foreign material in oily(waste)water are precipitated to bottom described water separation tank, the regular automatic-discharging of wash water valve bottom described water separation tank, and the greasy dirt in oily(waste)water floats, the pyramidal structure through described oily water separation upper box part is gathered in the upper liquid level of described water separation tank automatically; Run by tank level control system continuous print and the surperficial grease of liquid level in described water separation tank is discharged to oil header automatically, carry out secondary separation.
Further, described water separation tank is furnished with manual oil discharging valve, visual water-oil interface viewing window and temperature controller.
As the further improvement of such scheme, by the waste water after automatic oily water separation process, by the water seal arrangement of the overflow weir formula between water separation tank and sewage lifting case, from flowing to sewage lifting case, when the liquid level of sewage lifting case reaches the oil extraction height of setting, the automatic discharge equipment of water separation tank just brings into operation, and grease is discharged to the oil header outside water separation tank, stops control the working time set.
Further, when the liquid level of sewage lifting case continues to rise, reach the height starting water pump, water pump will start automatically, and waste water lifting is after treatment discharged into ground sewage inspection chamber, after entering wastewater biochemical pool, then enter city planting ductwork.
Again further, while sewage lifting case volume liquid level declines, the liquid level of water separation tank is also in synchronous decline, when water separation tank drops to setting height, just stop water outlet to sewage lifting case, now the liquid level of sewage lifting case is also in decline, and when reaching setting termination of pumping water level, water pump stops automatically.
Again further, the sewage lifting discharge of sewage lifting case adopts double pump configuration.
Beneficial effect of the present invention is as follows:
1, separator box feed liquor place has installed stainless steel vesicular structure dosing baffle plate additional, has concurrently and ensures uniform divided flows effect and decrease short stream, turbulent flow and flow dead;
2, band concentrates oil storage, oil extraction function, without the need to discharging everyday, alleviates regular job and safeguards intensity, reduces routine maintenance cost;
3, by controlling the change of separator box liquid level and improving lifting separating area utilization coefficient, realize volume of equipment constant when, the lifting separated space of separator box is fully utilized, greatly can improves decontamination and the deoiling effect of separator box like this;
4, change internal structure and the treatment process of original oily water separating equipment, improve the replacement rate of oily water separation rate and new and old water, improve the formation condition producing peculiar smell and mud;
5, the water seal arrangement of overflow weir formula is adopted between water separation tank and lift tank, too concentrated with drainage-free, in water layer, form whirlpool, destroy the stable of water layer.It not only can draining, but also can control the water-oil interface height in separator box, meets oily water separation technique needs;
6, in original Controlling System, exploitation optimizes supporting Controlling System again, ensures the reliable and stable operation of equipment;
7, according to the principle of shallow pool theory, (in the ideal situation, in long and pond, precipitation oil trap pond, horizontal flow velocity is constant, and pond is deeply more shallow, can removed suspended particle less.) broken in original technique, the mentality of designing that water separation tank liquid level is constant, improves the capacity utilization of separator box.Be particularly suitable for the demand of underground negative layer business food and drink draining.
Accompanying drawing explanation
Fig. 1 is the schema that food and drink waste water oil removal of the present invention promotes treatment process.
Fig. 2 is the structural representation that in application drawing 1, food and drink waste water oil removal promotes the food and drink waste water oil removal lift technique for the treatment of process.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Food and drink waste water oil removal of the present invention promotes treatment process and coordinates food and drink waste water oil removal lift technique, realizes following three main large steps: step one, food and drink waste water foreign material are separated; Step 2, employing water separation tank realize oily water separation; Step 3, employing sewage lifting case realize sewage lifting discharge.Combining, refer to Fig. 1, from the kitchen waste water of kitchen, can be the kitchen waste water in any kitchen, hotel, restaurant or even individual kitchen (general same unit building can install a set of food and drink waste water oil removal lift technique).
Incorporated by reference to Fig. 2, food and drink waste water oil removal lift technique comprises foreign material separator box 1, water separation tank 2, sewage lifting case 3, Intelligent control cabinet 4.The feed liquor place of water separation tank 2 has installed at least one vesicular structure dosing baffle plate 21 additional, and baffle plate 21 has concurrently and ensures uniform divided flows effect and decrease short stream, turbulent flow and flow dead.Baffle plate 21 in vertical state or heeling condition stand in water separation tank 2 and form feed liquor and distribute guidance system, on the diapire that baffle plate 21 can be fixed on water separation tank 2 or sidewall, baffle plate 21 can be stainless steel vesicular structure dosing baffle plate.
Adopt the water seal arrangement of overflow weir formula between water separation tank 2 and sewage lifting case 3, described water seal arrangement can be weir formula overflow plate 31.The water seal arrangement of the overflow weir formula adopted between water separation tank 2 and sewage lifting case 3, can avoid draining too concentrated, in water layer, form whirlpool, destroys the stable of water layer.It not only can draining, but also can control the water-oil interface height in water separation tank 2, meets oily water separation technique needs.
The operation of foreign material separator box 1, water separation tank 2, sewage lifting case 3 all realizes by the manipulation of Intelligent control cabinet 4, the electric wire of Intelligent control cabinet 4 connects the propulsion source of foreign material separator box 1, water separation tank 2, sewage lifting case 3, as motor, motor, water pump etc.
The food and drink waste water in kitchen passes through the water inlet pipe of food and drink waste water oil removal lift technique, enter automatic foreign material separation system and foreign material separator box 1, be separated by automatic grid 11 foreign material of foreign material separator box 1, the most of foreign material in waste water can be made automatically to be tackled and enter debris barrel via waste pipe 12.Then oily(waste)water distributes guidance system by the feed liquor of Specialty Design, ensure that oily(waste)water distributes along the sectional uniform of whole water separation tank 2, guarantee that liquid stream can flow along the sectional uniform of water separation tank 2, the oily water separation district entering water separation tank 2 carries out oily water separation, the foreign material such as the mud in water inlet are precipitated to the collection mud device bottom water separation tank 2, through wash water valve 22 periodic blow down, the mud automatic-discharging of water separation tank 2 will be deposited in.Greasy dirt in oily(waste)water floats, pyramidal structure 23 through water separation tank 2 top is gathered in the upper liquid level of water separation tank 2 automatically, run by the tank level control system continuous print of Intelligent control cabinet 4, coordinate automatic wiping device 26 surperficial grease to be discharged to automatically the oil header 24 at water separation tank 2 top, carry out secondary separation.Also being furnished with manual oil discharging valve, visual water-oil interface viewing window and temperature controller in addition, well heater 27 can being adopted, for draining the oil.Also be provided with sewage backflow device 25 in oil header 24, sewage backflow is arrived in water separation tank 2.
As shown in Figure 2, sewage lifting case 3 is disposed with superelevation liquid level a from top to bottom, plays pump liquid level b, oil extraction liquid level c, termination of pumping liquid level d.By the waste water after automatic oily water separation process, by the overflow weir formula discharging device between water separation tank 2 and sewage lifting case 3, from flowing to sewage lifting case 3, when the liquid level of sewage lifting case 3 reaches the oil extraction height of setting and oil extraction liquid level c, automatic discharge equipment can adopt automatically controlled automatic form, just bring into operation when the liquid level of sewage lifting case 3 reaches oil extraction liquid level c, grease is discharged in oil drum, stops control the working time set.Now when the liquid level of sewage lifting case 3 continues to rise, play pump liquid level b when reaching the height of the water pump 32 starting sewage lifting case 3, water pump 32 will start automatically, and waste water lifting is after treatment discharged into ground sewage inspection chamber, after entering wastewater biochemical pool, then enter city planting ductwork.Sewage lifting discharge adopts double pump configuration, each other for subsequent use, alternate run, safe and reliable.
While the liquid level of sewage lifting case 3 declines, the liquid level of water separation tank 2, also in synchronous decline, in order to stop grease to go to sewage lifting case 3, when water separation tank 2 drops to setting height, just stops water outlet to sewage lifting case 3.Now the liquid level of sewage lifting case 3 is also in decline, and when reaching setting termination of pumping water level and termination of pumping liquid level d, water pump 32 stops automatically.
Technical superiority of the present invention is:
1, the present invention is a kind for the treatment of process of gone to the kitchen on ground food and drink waste water oil removal and lifting;
2, the automatic foreign material solid-liquid separation function of band tubular type of the present invention, reduces the easy blockage problem of foreign material separator boxs and the scum silica frost of water separation tank and mud;
3, the present invention sets up in separator box and has installed stainless steel vesicular structure dosing baffle plate additional, the water seal arrangement of overflow weir formula, and the lifting separated space of separator box is fully utilized;
4, the present invention sets up constant temperature tripping device, avoids greasy dirt to lump;
5, the present invention is provided with the liquid level in lift tank tank level control oily water separation district, improves oily water separation rate;
6, oily water separation upper box part of the present invention, is provided with secondary oily water separation and sewage backflow, improves the effect of oily water separation, meets automatic oil storage, concentrates the needs of draining the oil;
7, the present invention adopts Automated condtrol technique, and complete machine have employed supporting intelligent control system newly developed, and control more accurate, operate safer convenience, owner can long-range understanding and monitoring equipment operation conditions.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. food and drink waste water oil removal promotes a treatment process, and it comprises the following steps:
Step one, food and drink waste water foreign material are separated;
Step 2, employing water separation tank realize oily water separation;
Step 3, employing sewage lifting case realize sewage lifting discharge;
It is characterized in that: the feed liquor place of described water separation tank has installed at least one vesicular structure dosing baffle plate additional, described baffle plate in vertical state or heeling condition stand in described water separation tank and form feed liquor and distribute guidance system; The water seal arrangement of overflow weir formula is adopted between described water separation tank and described sewage lifting case.
2. food and drink waste water oil removal as claimed in claim 1 promotes treatment process, it is characterized in that: described water seal arrangement is weir formula overflow plate.
3. food and drink waste water oil removal as claimed in claim 1 promotes treatment process, it is characterized in that: on the diapire that described baffle plate is fixed on described water separation tank or sidewall.
4. food and drink waste water oil removal as claimed in claim 1 promotes treatment process, it is characterized in that: the manipulation running through Intelligent control cabinet of described water separation tank and described sewage lifting case realizes, described Intelligent control cabinet is by controlling the level change of described water separation tank to improve lifting separating area utilization coefficient.
5. food and drink waste water oil removal as claimed in claim 1 promotes treatment process, it is characterized in that: food and drink waste water is separated by food and drink waste water foreign material, most of foreign material in waste water are tackled automatically, and oily(waste)water carries out oily water separation by feed liquor distribution guidance system in described water separation tank; Foreign material in oily(waste)water are precipitated to bottom described water separation tank, the regular automatic-discharging of wash water valve bottom described water separation tank, and the greasy dirt in oily(waste)water floats, the pyramidal structure through described oily water separation upper box part is gathered in the upper liquid level of described water separation tank automatically; Run by tank level control system continuous print and the surperficial grease of liquid level in described water separation tank is discharged to oil header automatically, carry out secondary separation.
6. food and drink waste water oil removal as claimed in claim 5 promotes treatment process, it is characterized in that: described water separation tank is furnished with manual oil discharging valve, visual water-oil interface viewing window and temperature controller.
7. food and drink waste water oil removal as claimed in claim 1 promotes treatment process, it is characterized in that: by the waste water after automatic oily water separation process, by the water seal arrangement of the overflow weir formula between water separation tank and sewage lifting case, from flowing to sewage lifting case, when the liquid level of sewage lifting case reaches the oil extraction height of setting, the automatic discharge equipment of water separation tank just brings into operation, and grease is discharged to the oil header outside water separation tank, stops control the working time set.
8. food and drink waste water oil removal as claimed in claim 7 promotes treatment process, it is characterized in that: when the liquid level of sewage lifting case continues to rise, reach the height starting water pump, water pump will start automatically, waste water lifting is after treatment discharged into ground sewage inspection chamber, after entering wastewater biochemical pool, then enter city planting ductwork.
9. food and drink waste water oil removal as claimed in claim 8 promotes treatment process, it is characterized in that: while sewage lifting case volume liquid level declines, the liquid level of water separation tank is also in synchronous decline, when water separation tank drops to setting height, just stop water outlet to sewage lifting case, now the liquid level of sewage lifting case is also in decline, and when reaching setting termination of pumping water level, water pump stops automatically.
10. food and drink waste water oil removal as claimed in claim 9 promotes treatment process, it is characterized in that: the sewage lifting discharge of sewage lifting case adopts double pump configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610069495.2A CN105481132B (en) | 2016-01-28 | 2016-01-28 | A kind of food and drink waste water oil removal lifts processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610069495.2A CN105481132B (en) | 2016-01-28 | 2016-01-28 | A kind of food and drink waste water oil removal lifts processing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105481132A true CN105481132A (en) | 2016-04-13 |
| CN105481132B CN105481132B (en) | 2017-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610069495.2A Expired - Fee Related CN105481132B (en) | 2016-01-28 | 2016-01-28 | A kind of food and drink waste water oil removal lifts processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105481132B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111333276A (en) * | 2020-04-07 | 2020-06-26 | 广州洁能建筑设备有限公司 | Restaurant wastewater treatment device |
| CN112645469A (en) * | 2020-12-22 | 2021-04-13 | 中国电建集团华东勘测设计研究院有限公司 | Two-stage circulating type oil stain reduction system |
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2016
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111333276A (en) * | 2020-04-07 | 2020-06-26 | 广州洁能建筑设备有限公司 | Restaurant wastewater treatment device |
| CN112645469A (en) * | 2020-12-22 | 2021-04-13 | 中国电建集团华东勘测设计研究院有限公司 | Two-stage circulating type oil stain reduction system |
| CN112645469B (en) * | 2020-12-22 | 2022-06-28 | 中国电建集团华东勘测设计研究院有限公司 | Two-stage circulating type oil stain reduction system |
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| Publication number | Publication date |
|---|---|
| CN105481132B (en) | 2017-12-05 |
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