CN203999265U - The integrated restaurant wastewater treatment device of a kind of alternating current - Google Patents
The integrated restaurant wastewater treatment device of a kind of alternating current Download PDFInfo
- Publication number
- CN203999265U CN203999265U CN201420372141.1U CN201420372141U CN203999265U CN 203999265 U CN203999265 U CN 203999265U CN 201420372141 U CN201420372141 U CN 201420372141U CN 203999265 U CN203999265 U CN 203999265U
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- alternating current
- water separation
- aeration
- separation chamber
- oily water
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Abstract
The utility model discloses the integrated restaurant wastewater treatment device of a kind of alternating current, it is made up of two portions before and after oily water separation chamber and alternating current reactor; Indoor being provided with of oily water separation can make grease be separated to top and make water and solid residue be precipitated to the oil baffle of bottom, top, oily water separation chamber is provided with abat-vent (4) and except hydraulic fluid port (5), bottom, oily water separation chamber is provided with the cleanout opening (2) for cleaning solid residue; Alternating current reactor comprises aeration zone (12), sand filtration district (14), ceramic grain filter district (16), and it also comprises and is provided with two chambers and makes current in these two chambers, replace mobile fiber combinations packing area (18).The utility model utilizes the character that oil density is less than water to carry out oily water separation, and the pulling flow type biological contact oxidation pond that adopts the standard cell of the circulation flow composite filter material filter pool of two gas pushs to be in series by the mode of baffling, can greatly improve water treatment effect.
Description
Technical field
The utility model relates to a kind of restaurant wastewater treatment device, especially relates to a kind of decentralized or integrated restaurant wastewater treatment device of alternating current of food and drink waste water independently disposed, and belongs to field of environment engineering technology.
Background technology
In recent years, along with economic development, the adjustment of the industrial structure, Tertiary Industy Development is very fast, and wherein the development of catering trade is especially rapid, causes the quantity discharged of food and drink waste water to increase severely, and the pollution problem therefore bringing is also more and more serious.Food and drink waste water is mainly derived from and in business process, produces raw food preparation, dishwashing detergent, remnant food percolate etc. in catering trade, wherein contains a large amount of suspended solids and various organism, vegetable and animals oils, protein, Mierocrystalline cellulose, VITAMIN, inorganic salinity, synthetic detergent etc.Food and drink waste water, as the unprocessed rivers,lakes and seas that are directly disposed to, can cause the eutrophication of natural water body; Secondly catering trade is many mixes with resident living residential district, although its total amount of pollutants discharged is little, intensity is low, and points of contamination is many and disperse, and pollution effect is large.
Under normal circumstances, food and drink waste water drain time section has certain regularity, moment emission flow large, during noon and evening being generally the peak value of this type of discharge of wastewater.All urban catering waste water and city domestic sewage are administered respectively in a lot of cities, not only can improve the strength disposal of food and drink waste water, grease wherein and other impurity can also be carried out to recycling, in addition for ensureing active sludge and biomembranous eubolism process, combined sewage is in flowing into biological treatment structures, and it can not be greater than 30 ~ 50mg/L conventionally containing grease concentration.Because dispersiveness, intermittence, the fat content of food and drink waste water discharge is high and be difficult to the water quality characteristics such as management, cause some techniques not good to its treatment effect, the technical scheme of therefore finding a kind of processing of applicable food and drink waste water is very necessary.
Utility model content
The purpose of this utility model is to be to solve the deficiencies in the prior art, and a kind of integrated restaurant wastewater treatment device of alternating current that little, easy care, operational management are convenient, be applicable to processing food and drink waste water of investing is provided.
For achieving the above object, the utility model is to realize by following technical scheme:
The utility model has adopted such Waste Water Treatment Methods for Restaurants, and it comprises tentatively carries out oily water separation processing to food and drink waste water, solid residue is precipitated to the step of cleaning away; It comprises to aeration in oily water separation food and drink waste water after treatment, thereby provides pressure official post current alternately to flow in fibrous packing region, and the step of sufficient oxygen is provided for aerobic bacteria simultaneously; It comprises the step that quartz sand and ceramic grain filter are held back, adsorb, removed suspended substance is set; It also comprises that fiber combinations packing area is set carries out biofilm and cutting bubble to waste water, improves the step of the utilization ratio of oxygen.
Based on aforesaid method, the integrated restaurant wastewater treatment device of alternating current of the present utility model, it is made up of two portions before and after oily water separation chamber and alternating current reactor; Described oily water separation is indoor to be provided with and can to make grease be separated to top and make water and solid residue be precipitated to the oil baffle of bottom, and top, oily water separation chamber is provided with abat-vent and except hydraulic fluid port, bottom, oily water separation chamber is provided with the cleanout opening for cleaning solid residue; Described alternating current reactor comprises can be to the aeration zone of aeration in waste water, for holding back the sand filtration district of suspended substance, ceramic grain filter district for Adsorption suspended substance, it also comprises that the pressure official post current that are provided with two chambers and can utilize aeration to produce replace mobile fiber combinations packing area in these two chambers.In aeration zone, be evenly arranged from top to bottom aeration head, for water flow provides pressure difference, simultaneously for aerobic bacteria provides sufficient oxygen.
Further, aforesaid oil baffle comprises the first baffle plate and second baffle; Described the first baffle plate is located at the front portion of oily water separation chamber, and upper end exceeds liquid level, the unsettled water stream channel of bottom formation that makes in lower end; Described second baffle is the two-part demarcation strips in the front and back of oily water separation chamber, and its upper end exceeds liquid level, and lower end intercepts current completely, and middle and upper part is provided with the latter part of separation water-in that makes current enter oily water separation chamber, separates the position of water-in lower than liquid level.The latter part of bottom of oily water separation chamber be provided with make current enter before alternating current reactor, regulate flow velocity and the uniform buffer zone of interior material thereof, the bottom of buffer zone to be provided with to make current enter alternating current reactor aeration zone in bottom water-in.
Further, between aeration zone and sand filtration district, be provided with the first water dispensing board, between described sand filtration district and ceramic grain filter district, be provided with the second water dispensing board, between described ceramic grain filter district and fiber combinations packing area, be provided with the 3rd water dispensing board.Passing through in aeration zone is provided with plural aeration head and can realizes to alternative aeration in sand filtration district.Fiber combinations packing area is two chambers by the 3rd barrier partitions, the tail end of the 3rd baffle plate arranges passage can flow current in these two chambers, thus the pressure difference being produced by aeration zone alternative aeration be delivered to fiber combinations packing area make current in these two chambers, replace flow.Current can biofilm in fiber combinations packing area, can effectively cut again bubble, improves the utilization ratio of oxygen.Two chambers of fiber combinations packing area are respectively provided with a rising pipe for current after treatment are discharged above afterbody.
The utility model is for the feature of food and drink waste water, utilize the character that oil density is less than water, the mode combining by oil baffle is effectively except a large amount of suspended solids in food and drink waste water and a large amount of grease, in addition by two portions before and after oily water separation chamber is separated into, grease in removal waste water as much as possible, is conducive to follow-up Biochemical Treatment.The utility model main reaction region is the pulling flow type biological contact oxidation pond being in series by the mode of baffling by the standard cell of the circulation flow composite filter material filter pool of two gas pushs, this alternating current integrated water treatment equipment less investment, working cost is low, compact construction, to the strong adaptability of different quality, pollutants removal rate is high, and stable effluent quality can be widely used in the sanitary sewage disposal of the food and drink aspect of dispersion.
In addition, the circulation flow composite filter material filter pool of gas push is completely hybrid and two kinds of effective combinations of characteristics of fluid state mode of pulling flow type.Alternating current reactor simulation is the series connection of a complete mixing reactor (CSTR) and a plug flow reactor (PFR).Strong mixed gas-liquid flow in a reaction zone, is conducive to oxygenation and the effect of carrier demoulding of loop reactor, can process the organic waste water of higher concentration, and microbic activity can be not fully exerted, and sludge loading is high.Effectively remove Organic Pollutants in Wastewater, ammonia nitrogen, complete digestive process simultaneously.Promotion in another reaction zone is flowed and is had anaerobic zone, be conducive to the larger molecular organics of difficult degradation in acidication sewage, improve the biochemical efficiency of reactor, ensure completing smoothly of anti-nitration reaction, make effluent quality more reliable and stable, two kinds of modes organically combine and have determined that such reactor has good water technology performance.Further, due to the pushing effect of aeration, guarantee circulating of water, do not need extra power, save the running cost for the treatment of unit.
brief description of the drawings
Fig. 1 is restaurant wastewater treatment device structural representation of the present utility model;
Fig. 2 is restaurant wastewater treatment device vertical view of the present utility model.
Description of reference numerals: 1-water intake, 2-cleanout opening, 3-valve, 4-abat-vent, 5-removes hydraulic fluid port, 6-the first baffle plate, and 7-separates water-in, 8-the second plate washer, 9-liquid level, 10-buffer zone, 11-bottom water-in, 12-aeration zone, 13-the first water dispensing board, 14-sand filtration district, 15-the second water dispensing board, 16-ceramic grain filter district, 17-the 3rd water dispensing board, 18-fiber combinations packing area, 19-rising pipe, 20-the 3rd baffle plate.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
First see Fig. 1, and in conjunction with Fig. 2, in Fig. 1, shown restaurant wastewater treatment device structural representation, i.e. being seen structural form from the side, Fig. 2 has shown the structural form that this device is shown in from overlooking directional lock.As we can see from the figure, waste water is entered the front portion of oily water separation chamber by water intake 1, also i.e. oily water separation chamber left-hand component in figure, enter the bottom that rear solid residue is deposited to oily water separation chamber fore portion, remove by cleanout opening 2, owing to there being the effect of the first baffle plate 6 to make grease be separated to top, most of water enters the first baffle plate 6 space below by the passage of the first baffle plate 6 bottoms, enter oily water separation chamber rear portion through the separation water-in 7 of top in second baffle 8 again, by the effect of two baffle plates, grease is fully separated in former and later two parts of oily water separation chamber, effectively alleviate the burden of later process step.Former and later two part tops, oily water separation chamber are equipped with abat-vent 4 and except hydraulic fluid port 5, this abat-vent 4 enters in atmosphere the indoor obnoxious flavour of oily water separation in time, except hydraulic fluid port 5 can be got rid of the isolated grease in top, oily water separation chamber.
After the preliminary treatment of oily water separation chamber, waste water enters alternating current reactor by buffer zone 10 and the bottom water-in 11 of oily water separation formula rear portion bottom, first enter aeration zone 12, make current evenly enter sand filtration district 14 and hold back suspended substance in waste water by the quartz sand distributing in sand filtration district 14 by the effect of the first water dispensing board 13, then waste water enters ceramic grain filter district 16 by the adsorption of haydite wherein, remove suspended substance, then enter fiber combinations packing area 18.The second water dispensing board 15, the 3rd water dispensing board 17 have been all water distribution effects, make current evenly flow into next processing unit.
In fiber combinations packing area 18, be divided into two chambers by the 3rd baffle plate 20, be the two portions up and down in Fig. 2, the 3rd baffle plate 20 rear ends are not connected to afterbody, but leave a communication passage, simultaneously, the layout of the aeration head in two chambers and aeration zone 12 is corresponding, and when the aeration head of the aeration zone 12 in 18 one of them chamber front, fiber combinations packing area starts aeration, the aeration head of the aeration zone 12 in another chamber front suspends aeration.As shown in Figure 2, the aeration head of 12 tops, aeration zone starts aeration in the drawings, the pressure difference of transmitting by sand filtration district 14 and ceramic grain filter district 16, make to flow from front to back in the chamber of current above in Fig. 2 of fiber combinations packing area 18, and flow into the below chamber in Fig. 2 by communication passage endways, and below in chamber, current are to flow from back to front; When after certain hour, in Fig. 2, the aeration head of 12 tops, aeration zone suspends aeration, and the aeration head of below starts aeration, the current of fiber combinations packing area 18 below chambers flow from front to back, the current of fiber combinations packing area 18 top chambers flow from back to front, aeration head alternative aeration in aeration zone 12 like this, current just alternately flow between two chambers of fiber combinations packing area 18, thereby improve water treatment effect.
Embodiment 1:
Implementation process: taking certain dining hall catering waste water as water inlet water source, flow is 6 tons/d, and sewage enters the integrated restaurant wastewater treatment device of alternating current after grid.COD(chemical oxygen demand (COD) in former water), BOD(biochemical oxygen demand (BOD)), SS(solid suspension substrate concentration), NH3-N (ammonia nitrogen) is respectively: 1500 ~ 2000mg/L, 850 ~ 1200 mg/L, 600 ~ 900 mg/L, 15 ~ 20 mg/L.
Whole Equipment length is respectively 4500mm, 2000 mm, 2500mm, and sand filter blanket thickness is that 300mm, haydite layer thickness are 600mm, haydite particle diameter 3 ~ 5mm, and alternating current reactor length is 3500mm.Hydraulic detention time (HRT) is 8h.
Control to dissolved oxygen (DO): complete hybrid reaction zone leading portion DO is 4.0～6.5mg/L, and pulling flow type reaction zone latter end DO is less than 0.5mg/L.
Application result shows, reactor is to COD, BOD, NH
4 +the clearance of-N and SS reaches respectively 76.63%, 71.38%, 83.64% and 74.58%.
Certainly, be more than concrete exemplary applications of the present utility model, the utility model also has other embodiment, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, within all dropping on the desired protection domain of the utility model.
Claims (7)
1. the integrated restaurant wastewater treatment device of alternating current, is characterized in that: it is made up of two portions before and after oily water separation chamber and alternating current reactor; Indoor being provided with of described oily water separation can make grease be separated to top and make water and solid residue be precipitated to the oil baffle of bottom, top, oily water separation chamber is provided with abat-vent (4) and except hydraulic fluid port (5), bottom, oily water separation chamber is provided with the cleanout opening (2) for cleaning solid residue; Described alternating current reactor comprises can be to the aeration zone of aeration in waste water (12), for holding back the sand filtration district (14) of suspended substance, ceramic grain filter district (16) for Adsorption suspended substance, and it also comprises that the pressure official post current that are provided with two chambers and can utilize aeration to produce replace mobile fiber combinations packing area (18) in these two chambers.
2. the integrated restaurant wastewater treatment device of alternating current according to claim 1, is characterized in that: described oil baffle comprises the first baffle plate (6) and second baffle (8); Described the first baffle plate (6) is located at the front portion of oily water separation chamber, and upper end exceeds liquid level (9), the unsettled water stream channel of bottom formation that makes in lower end; Described second baffle (8) is the two-part demarcation strip in front and back of oily water separation chamber, its upper end exceeds liquid level (9), lower end intercepts current completely, middle and upper part is provided with the latter part of separation water-in (7) that makes current enter oily water separation chamber, separates the position of water-in (7) lower than liquid level (9).
3. the integrated restaurant wastewater treatment device of alternating current according to claim 2, it is characterized in that: the latter part of bottom of described oily water separation chamber be provided with make current enter before alternating current reactor, regulate flow velocity and the uniform buffer zone of interior material (10) thereof, the bottom of buffer zone (10) to be provided with to make current enter alternating current reactor aeration zone (12) in bottom water-in (11).
4. the integrated restaurant wastewater treatment device of alternating current according to claim 2, it is characterized in that: between described aeration zone (12) and sand filtration district (14), be provided with the first water dispensing board (13), between described sand filtration district (14) and ceramic grain filter district (16), be provided with the second water dispensing board (15), between described ceramic grain filter district (16) and fiber combinations packing area (18), be provided with the 3rd water dispensing board (17).
5. the integrated restaurant wastewater treatment device of alternating current according to claim 2, is characterized in that: passing through in described aeration zone (12) is provided with plural aeration head and can realizes to sand filtration district (14) middle alternative aeration.
6. the integrated restaurant wastewater treatment device of alternating current according to claim 5, it is characterized in that: described fiber combinations packing area (18) is divided into two chambers by the 3rd baffle plate (20), the tail end of the 3rd baffle plate (20) arranges communication passage can flow current in these two chambers, and the pressure difference being produced by aeration zone (12) alternative aeration is delivered to fiber combinations packing area (18) thereby current are replaced in these two chambers to flow.
7. the integrated restaurant wastewater treatment device of alternating current according to claim 6, is characterized in that: two chambers of described fiber combinations packing area (18) are respectively provided with a rising pipe (19) for current after treatment are discharged above afterbody.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420372141.1U CN203999265U (en) | 2014-07-08 | 2014-07-08 | The integrated restaurant wastewater treatment device of a kind of alternating current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420372141.1U CN203999265U (en) | 2014-07-08 | 2014-07-08 | The integrated restaurant wastewater treatment device of a kind of alternating current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203999265U true CN203999265U (en) | 2014-12-10 |
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ID=52039295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420372141.1U Withdrawn - After Issue CN203999265U (en) | 2014-07-08 | 2014-07-08 | The integrated restaurant wastewater treatment device of a kind of alternating current |
Country Status (1)
| Country | Link |
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| CN (1) | CN203999265U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104108831A (en) * | 2014-07-08 | 2014-10-22 | 中国电建集团贵阳勘测设计研究院有限公司 | Restaurant wastewater treatment method and device |
| CN105110455A (en) * | 2015-10-09 | 2015-12-02 | 北京建筑大学 | Intermittent biological sand filtration treatment system |
-
2014
- 2014-07-08 CN CN201420372141.1U patent/CN203999265U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104108831A (en) * | 2014-07-08 | 2014-10-22 | 中国电建集团贵阳勘测设计研究院有限公司 | Restaurant wastewater treatment method and device |
| CN104108831B (en) * | 2014-07-08 | 2016-04-13 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of Waste Water Treatment Methods for Restaurants and device |
| CN105110455A (en) * | 2015-10-09 | 2015-12-02 | 北京建筑大学 | Intermittent biological sand filtration treatment system |
| CN105110455B (en) * | 2015-10-09 | 2017-06-16 | 北京建筑大学 | Batch (-type) Biological Sand Filtration processing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141210 Effective date of abandoning: 20160413 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |