CN201154924Y

CN201154924Y - Auto oil-collecting oil expeller

Info

Publication number: CN201154924Y
Application number: CNU2008200310510U
Authority: CN
Inventors: 裴登明
Original assignee: NANJING KECHUANG ENVIRONMENT ENGINEERING DEVELOPMENT Co Ltd
Current assignee: NANJING KECHUANG ENVIRONMENT ENGINEERING DEVELOPMENT Co Ltd
Priority date: 2008-01-24
Filing date: 2008-01-24
Publication date: 2008-11-26
Anticipated expiration: 2018-01-24

Abstract

The utility model aims at providing an automatic oil gathering grease interceptor which can remove suspension impurities in sewage instead of manual removal of precipitates, comprising a box body (1) which consists of an oil scraper (6) provided with a rotational oil scraping band, an oil gathering box (7), a front baffle(20) and a middle baffle(21) of three channels (13, 18, 14) which separate the interior of the box body into continuous channels; a water inlet pipe and a water outlet pipe are arranged on the box body; the water inlet pipe (2) is communicated with the channel (13); the water outlet pipe (10) is communicated with the channel (14); a mechanical grid (3) extends into the channel (13) through the box wall; a residue box (5) is connected with a residue discharging outlet of the mechanical grid (3) outside the box wall; a bubble generator (4) is arranged in the channel (18); the oil scrapping band extends into the channel (14) through the box wall; the oil gathering box (7) is in contact with the oil scrapping band outside the box wall.

Description

Automatic oil-collecting grease trap

Technical field

The utility model designs a kind of catering trade waste water oil-collecting refining plant.

Background technology

At present, the known main type of grease trap that is used for catering trade purification of waste water processing has flat flow grease trap, parallel plate type grease trap, board-like grease trap tilts, they all are according to profit proportion difference, carry out the device of oily water separation with natural floating method, promptly in grease trap,, float on the water surface on the relative density oil droplet that particle diameter is bigger less than 1.0 because flow velocity reduces, relative density is sunken at the bottom of the device, to reach the purpose of oily water separation, contamination precipitation greater than 1.0 impurity.The advantage of this class grease trap is, simple structure, is convenient to operational management; But shortcoming is more: the one, and the body volume is big, and floor space is many, and the 2nd, relative density is suspended in the sewage less than 1.0 impurity, decontamination effect improving is poor, the 3rd, remove that sedimentary existing way one is a manual removal on the swash plate, the 2nd, adopt Bullet structure, with after abandon it.

Summary of the invention

The purpose of this utility model provides a kind ofly can remove the suspended impurity in the sewage and need not the sedimentary automatic oil-collecting grease trap of manual removal.

This oil-collecting grease trap comprises casing 1, includes the oil wiper 6 of the frizing band of rotation, and oil box 7 is separated into box house on front apron 20, the middle baffle plate 21 of two passages of continuous passage 13,18,14; Casing is provided with water inlet pipe and water outlet pipe, and water inlet pipe 2 communicates with passage 13, and rising pipe 10 communicates with passage 14; Mechanical grille 3 passes tank wall and stretches in passage 13, and sludge tank 5 is connected with tank wall mechanical grille 3 deslagginves outlet outward; Bubble generator 4 is set in passage 18; The frizing band passes tank wall and stretches in the passage 14, and oil box 7 contacts with tank wall frizing band outward.

Catering oily wastewater at first through water inlet pipe 2 enter filter residue district (passage 13) by mechanical grille 3 with the swill in the oily(waste)water, foreign material such as dish leaf filter down, and residue is brought in the sludge tank 5 by the slag tooth of scraping that do not stop of rotation, through flowing into oil removal district (passage 14) again behind the stop of the profit behind the filter residue certain hour, this district utilizes profit proportion different principle to squeeze into countless fine and closely woven uniform micro-bubbles with bubble generator 4 in profit, when ducking in drink, gas can adsorb the oil in water emulsion that is dissolved in the water when upwards floating, it is kept afloat with bubble, and at water surface formation foam layer, and oil wiper 6 utilizes the frizing band that the oil whip of keeping afloat is brought in the oil box 7.

The bubble that the utility model produces by bubble generator 4 goes out relative density the water surface and forms foam less than 1.0 the impurity band in the sewage of being suspended in, and is sent into oil box 7 by the frizing band, therefore can remove the impurity that is suspended in the sewage, good purification; Utilize mechanical grille 3 that foreign material such as swill, dish leaf are filtered, and be brought in the sludge tank 5, thereby removed oarse-grained foreign material effectively, prevent its precipitation.

As improvement, it also comprises and is arranged on rear deflector door 22 in the passage 14, that passage 14 is separated into two passages of continuous passage 16,17; The frizing band stretches in the passage 17; Strainer 11 is set in passage 18, and the outlet of strainer connects the rising pipe 10 on the casing.

Sewage after the oil removing slagging-off enters in the strainer 11 again, flows out through filter rising pipe 10 from vertical water exit at last.Again sewage is carried out filtration treatment by strainer 11, satisfy national energy-saving and emission-reduction requirement.

The beneficial effects of the utility model are: simple in structure, convenient for installation and maintenance, physical dimension is little, the purification efficiency height, and have certain self-purification function, and prolong the cleaning interval, be convenient to daily cleaning and maintenance.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Embodiment

Below in conjunction with drawings and Examples the utility model is elaborated.

Automatic oil-collecting grease trap among the figure, comprise casing 1 (physical dimension is 2200 * 800 * 1200 (mm)), the oil wiper 6 that includes the frizing band of rotation, oil box 7 is separated into box house front apron 20, middle baffle plate 21, the rear deflector door 22 of four passages of continuous passage 13,18,16,17.The water inlet pipe 2 that is provided with on casing communicates with passage 13.Mechanical grille 3 passes tank wall and stretches in passage 13, and sludge tank 5 is connected with tank wall mechanical grille 3 deslagginves outlet outward.Microbubble generator 4 is set in passage 18; The frizing band passes tank wall and stretches in the passage 16, and oil box 7 contacts with tank wall frizing band outward.Oil exit pipe 8 is connected on the oil box 7.Biochemistry filtered device 11 is set in passage 18, and the outlet of strainer connects the rising pipe 10 on the casing.Vapor pipe 9 is connected on the top of casing.Base 12 is welded by channel-section steel.

Catering oily wastewater at first enters the filter residue district through water inlet pipe 2 and by automation grid 3 foreign material such as swill dish leaf in the oily(waste)water is filtered down and by rotating the slag tooth of scraping that does not stop residue is brought in the sludge tank 5.Mechanical grille is installed on the cabinet shell, and it can effectively hold back the macrobead of density greater than 5.O, for the processing of back has alleviated pressure.Through flowing into the oil removal district again behind the stop of the profit behind the filter residue certain hour, this district utilizes profit proportion different principle to squeeze into countless fine and closely woven uniform micro-bubbles with microbubble generator 4 in profit, when upwards floating, microbubble can adsorb the oil in water emulsion that is dissolved in the water in water, it is kept afloat with bubble, and form foam layer at the water surface.Automatically oil wiper 6 utilizes the frizing band that the oil whip of keeping afloat is brought in the oil box 7, and the long-pending oil in the oil box 7 enters oil-collecting bucket that the user provides for oneself by oil exit pipe 8 and recycles or deliver special department and handle, and prevents secondary pollution.

Sewage after the oil removing slagging-off enters in the biochemistry filtered device 11 again, cross the interception dykes and dams from bottom to top respectively through the prosopyle of every metafiltration chip from the inlet of strainer lower end and enter the cofferdam sedimentary province, because the structure design and the lipophilicity material of the increase surface-area of filter core uniqueness and prolongation cofferdam interception dykes and dams length, make effluent stream quite slow, and fully contact with the microorganism that is grown in filter core sheet surface through the current of filter core.Microorganism will carry out the branch desorption to fine particle one organism that is being comprised by grease in the sewage, the fine gap of chip chamber stops passing through of particulate simultaneously, sewage is pooled to vertical water exit from each chip spillway then, exports through filter from vertical water exit at last and flows out casing.

Effluent quality had both been removed sump oil and sediment like this, had isolated the butyraceous fine particle again, and by the organic component in the biological bacteria degradation water, thereby grease (FOG), total suspended particles (TSS) and chemical oxygen demand (COD) (COD) in the water outlet are all reduced greatly.Sewage after this device processes can reach the standard of reuse, satisfies national energy-saving and emission-reduction requirement.

The waste gas that produces in the equipment running process can be discharged through vapor pipe 9.

Mechanical grille is a prior art, and what it adopted is many band curved stainless steel teeth at interval that have uprightly, each other, forms annular chain belt by chain serial connection back, does not stop rotation by motor drives, and residue in the water is taken out of automatically.Automation grid as be shown in the examples, profile are square, are of a size of 900 * 300 * 400 (mm), and grid is scraped 5 groups in slag tooth, and material is a stainless steel.

Strainer is a prior art, as biochemistry filtered device as described in the present embodiment, make by corrosion resistant polymer PVC material, can in filter layer by layer, produce microbial film naturally, sewage after the oil removing is carried out biochemical treatment, make water quality cleaner, reach reuse standard, it is of a size of Φ 500 * 700 (mm), 25 layers of inner filtration layers.

Oil wiper is a prior art, no longer describes.

Utility model provides a kind of automatic oil-collecting grease trap, and this grease trap can not only be with the oily water separation in the oil-polluted water, and relative density in the waste water totally can be reached decomposition again through last one biochemical treatment, the effect of water reuse in reaching less than 1.0 removing.

Claims

1. automatic oil-collecting grease trap, it is characterized in that: it comprises casing (1), includes the oil wiper (6) of the frizing band of rotation, oil box (7) is separated into box house on front apron (20), the middle baffle plate (21) of three passages of continuous passage (13,18,14); Casing is provided with water inlet pipe and water outlet pipe, and water inlet pipe (2) communicates with passage (13), and rising pipe (10) communicates with passage (14); Mechanical grille (3) passes tank wall and stretches in passage (13), and sludge tank (5) is connected with tank wall mechanical grille (3) deslagging outlet outward; Bubble generator (4) is set in passage (18); The frizing band passes tank wall and stretches in the passage (14), and oil box (7) contacts with tank wall frizing band outward.

2. automatic oil-collecting grease trap according to claim 1 it is characterized in that: further comprising and is arranged on rear deflector door (22) in the passage (14), that passage (14) is separated into two passages of continuous passage (16,17); The frizing band stretches in the passage (16); Strainer (11) is set in passage (17), and the outlet of strainer connects the rising pipe (10) on the casing.

3. automatic oil-collecting grease trap according to claim 2 is characterized in that: strainer (11) is biochemical strainer.