CN2458304Y

CN2458304Y - Device for treating sewage from food or beverage

Info

Publication number: CN2458304Y
Application number: CN 00252290
Authority: CN
Inventors: 邓明恺; 邓武军; 邓国红
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-12-13
Filing date: 2000-12-13
Publication date: 2001-11-07
Anticipated expiration: 2010-12-13

Abstract

The utility model relates to a device for treating sewage from foods or beverages, which comprises three devices, such as a pretreatment device, a chemical treatment device and a terminal processing device. The pretreatment device comprises lattices, mesh screens, a mud settler and an oil separation tank orderly; the chemical treatment device is a purifier, and chlorinated lime and ferrous sulfate solution of 10% are added into the purifier and are stirred, and the whole sewage treatment process is completed; the terminal processing device comprises a filter and corresponding pipelines and valves. The utility model with the advantages of small ground occupation, low investment, simple equipment, short period of the degrading of contaminants and high decontamination efficiency is suitable for the treatment of household sewage from foods or beverages from hotels, restaurants, guest houses, army units, home building groups, etc.

Description

A kind of device of handling sewage from catering business

The utility model relates to a kind of device of handling sewage from catering business, belongs to the sewage treatment facility class.Be specially adapted to the sewage disposal in hotel, restaurant, hotel, dining room.

Existing sewage from catering business is not generally handled, and the treatment process that minority is used is the biochemical process that adopts in " an Encyclopadia Sinica environmental science volume environmental engineering piece of writing ", its treatment scheme is a barrier, screen cloth sedimentation basin pre-treatment → pressurization, molten gas, aeration → secondary sedimentation, mud backflow → discharging, its shortcoming is that the disposal field floor space is big, investment is high, day output is little, dwell time of sewage is long, as Zhuhai, the treatment facility in Xiangzhou District nova hotel takes up an area of 400 square metres, 800,000 yuan of gross investments, 400 cubic metres of treatment facility useful volumes, 30 cubic metres of day outputs, sewage stopped in treatment system 13 days, and the water quality of discharge can only reach the standard of 2～3 grades of GB8978-96 " integrated wastewater discharge standard ".So big floor space and investment can't be promoted in the city.

The purpose of this utility model is to provide a kind of floor space little, reduced investment, and the contaminant degradation cycle is short, the sewage from catering business treatment unit that detersive efficiency is high.

For achieving the goal, design of the present utility model is the treatment unit design based on the physical-chemical-physics of chemical treatment.Terminal process three partial devices that comprise pre-treatment, chemical treatment and the physical method of physical method, pretreated device is grid, screen cloth, detritus pool, oil trap, chemically treated device is a cleaner, and the device of terminal process is strainer and corresponding water pipe and valve.

Further describe the utility model below in conjunction with embodiment and accompanying drawing thereof:

Accompanying drawing 1 is a structural profile synoptic diagram of the present utility model;

Accompanying drawing 2 is a structural plan of the present utility model synoptic diagram.

Among the figure: 1-grid, 2-electric control box, the total ditch of 3-sewage, the molten medicine-chest of 4-, 5-administration pump, 6-screen cloth, the 7-detritus pool, the 8-oil trap, 9-crosses water pipe, 10-oil removal wall, 11-cleaner, 12-stirrer, the 13-scum pipe, 14,20,21,25,26, the 29-valve, 15,16,18,19,22,24, the 28-water pipe, the 17-water pump, 23,27,31, the 32-strainer, the 30-oil trap.

Referring to accompanying drawing, sewage flow through successively the thick floating matter of removal that is provided with on the total ditch 3 of sewage grid 1 and remove less food debris, the screen cloth 6 of residue, allow sewage flow to detritus pool 7 then, make in mobile sewage, be difficult to settled proportion less than 2 greater than 1 residue, chip is deposited at the bottom of the detritus pool, the water outlet that water is linked to each other by the pump sump pool wall simultaneously from oil trap 8, oil trap 8 is advanced in cross flow, this water outlet is higher than at the bottom of the detritus pool, described oil trap 8 is to have one oil trap is divided into the into oil removal wall 10 of water and two ponds of water outlet in the pond, be provided with a ∩ shape in the centre of oil removal wall 10 and cross water pipe 9, the mouth of pipe down, the one side of pump sump links to each other with the water outlet of detritus pool 7, on the pool wall of pump sump, be provided with the outlet that communicates with oil trap 30, this mouthful is lower than the water outlet of detritus pool 7, sewage tiny residue chip of sedimentation once more in this pond, because of greasy dirt proportion less than water, overwhelming majority oil slick can not enter the outlet sump from crossing water pipe 9, the preprocessing part grid, screen cloth and secondary sediment, oil removal has reduced to the utmost and has entered chemically treated pollutent, saved the consumption of material, water in the outlet sump with pump 17 in water pipe 15 is sent into cleaner 11, described cleaner 11 is an awl end container, the awl end, be provided with scum pipe 13 and valve 21, moisture residue is sent into strainer 23 or 31, the wall suitable for reading that is provided with stirrer 12 containers in the container is provided with the pump sump that upflow tube 16 is sent into overflow water oil trap, be connected with water pipe 18 and valve 25 on the wall of awl at the end, sewage is delivered to strainer 27 or 32, the copperas solution that successively adds water purification agent chlorinated lime and 5～10% then in the water purifier, stir respectively and carry out chemical treatment, finish the sewage turbidity removal, deodorizing, sterilization, breakdown of emulsion, degradable organic pollutant, anion surfactant and soluble solids, neutralization, flocking settling, reach the water purification process of solid-liquid separation etc., after the complete sedimentation of residue in the device 11 to be clean, carry out terminal process, the terminal process of water has two kinds of devices available, only need water is entered the words of urban pipe network, then water through water pipe 18 valves 25 from bottom to top by being that the strainer 32 of filtration medium is discharged from water pipe 28 and got final product with the microporous brick, then allow water through water pipe 18 if obtain the available undrinkable water, valve 25, from bottom to top by being basic unit with rare earth porcelain sand, be the strainer 27 of the filtration medium of post granular carbon on it, but what discharge from water pipe 28 is exactly the undrinkable water of reuse.The terminal process device of slag is two mutual strainers 23 that use in the cleaner, 31 aqueous residues, enter strainer 23 or 31 from scum pipe 13 and valve 21, through micropore ceramic tile filter media, water flows into the outlet sump of oil trap from water pipe 19, described strainer 27,32 special feature is: it is one to have the container of two layers of base plate that separate, be connected with the water pipe 24 and the valve 29 that move the water to flow into the oil trap pump sump under lower floor's base plate, be communicated with water pipe 18 and valve 25 on the wall between two base plates, the upper strata base plate is provided with densely covered aperture, put filtration medium on it, its sewage is from bottom to top discharged through water pipe 28 by filtration medium, the water of flushing from top to bottom flows in the outlet sump of oil trap through water pipe 24 and valve 29, rinse filtration medium like this well, be difficult for stopping up, extend using period, reduce and consume, after the micropore ceramic tile medium that its slag is handled uses for some time, but its slag is accumulated to the certain thickness mummification becomes a kind of open-textured solid substance, do not bond with the micropore ceramic tile, chipping is convenient, health, and in the slag enrichment large amount of organic matter and the plant-growth of from sewage, carrying, grow necessary trace element, can use for urban afforestation or other plant husbandry.

The cleaner of this device, strainer can be maked somebody a mere figurehead on the pond because of the on-site actual situations setting, have saved floor space, but also device such as adapted computer and electrically operated valve is realized unmanned.

For easy to operate, the utility model also is provided with electric control box 2 centralized operations, molten medicine-chest 4, administration pump 5 and medicine is delivered to the water pipe of cleaner.For periodic flushing cleaner and strainer, be provided with tap water or reuse water pipe 22 and

valve

11,20,26, as clear as crystal, the principal pollutant concentration BOD of water after practice is handled ₅Be nd～14mg/L, CODer≤34mg/L, vegetable and animals oils 5.4mg/L, anion surface activity nd～1.0mg/L, NH ₃-N nd～5mg/L, intestinal bacteria nd.

Use of the present utility model is, at first molten medicine is standby in molten medicine-chest, close all valves, with water pump the sewage in the oil trap is delivered in the cleaner, at first add chlorinated lime, on electric control box 2, start stirrer, shut down after stirring, restarting administration pump adds copperas solution in the cleaner and enough measures the back termination of pumping, restarting stirrer stirs, shut down, treat the complete post precipitation of residue, the valve of opening on the water pipe 18 25 is delivered to strainer 27 or 32 filtration back discharges with the sewage in the cleaner, arranged back valve-off 25, open the valve 21 on the scum pipe 13, moisture residue, flow to strainer 23, or 31, pulp water separates, and water flow in the outlet sump of oil trap, when periodic flushing strainer 27 or 32 cleaners, open the valve 29 on the water pipe 24 under strainer 27 or 32, open cleaner again, valve on strainer 27 or 32 the running water pipe 22, one in 14 and 26 is washed, close all valves after intact, after strainer 23 or 31 scarfing cinders finish, can so go round and begin again and carry out equally with the tap water flushing.

In sum, the utility model is reasonable in design, and equipment is simple, floor space is little, required less investment consumes lowly, and the contaminant degradation cycle is short, the detersive efficiency height, discharge water can reach the discharge water of a non-reuse water of drinking or a national utmost point emission standard, has alleviated the load of municipal sewage treatment, has saved water resources, society, remarkable in economical benefits are specially adapted to the food and drink of hotel, restaurant, hotel, dining room, army, housing group and the processing of sanitary sewage.

Claims

1, a kind of device of handling sewage from catering business comprises barrier (1), screen cloth (6), detritus pool (7), oil trap (8), cleaner (11) and strainer and corresponding water pipe and valve, it is characterized in that:

A, sewage are flowed through successively and are located at grid (1), screen cloth (6) on the total ditch of sewage (3), enter detritus pool (7), again by the water outlet of detritus pool (7) through the one side pond top cross flow of oil trap (8) pump sump to oil trap (8), this water outlet is higher than at the bottom of the detritus pool;

B, oil trap (8) are to have one oil trap is divided into the into partition wall (10) of water and two ponds of water outlet in the pond, partly there is a ∩ shape to cross water pipe (9) at the partition wall center, the mouth of pipe down, the one side of pump sump links to each other with the water outlet of detritus pool (7), be provided with an outlet that communicates with oil trap (30) on the pool wall of pump sump, this mouthful is lower than the outlet of detritus pool;

C, cleaner (1) are an awl end containers, the awl end is provided with sends the aqueous residue in the cleaner (11) into strainer (23) or (31) interior scum pipe (13) and valve (21), be connected with water pipe (18) and two valves (25) of sewage being sent into strainer (27) or (32) on the wall of awl at the end, the upper opening of container wall is provided with the upflow tube (16) that water is flowed into the outlet sump of oil trap (8), is provided with stirrer (12) in the container;

D, strainer (27), (32) are one to have the container of the two-layer base plate that separates, be connected with under lower floor's base plate water is sent into oil trap (8) outlet sump interior water pipe (24) and two valves (29), be communicated with water pipe (28) on the wall between the base plate, the upper strata base plate is provided with densely covered aperture, put filtration medium on it, the wall of filtration medium upper surface is provided with the water pipe of sewage effluent (28);

Filtration medium in E, strainer (23), (31), (32) is the micropore ceramic tile, and the filtration medium of strainer (27) is a basic unit with rare earth porcelain sand, is the post granular carbon on it.

Be provided with running water pipe or the reuse water pipe (22) and the valve (14) of flushing usefulness above F, cleaner (11) strainer (23), (27), (31), (32), (20), (26).