CN2566925Y

CN2566925Y - Oil water separating device

Info

Publication number: CN2566925Y
Application number: CN 02276094
Authority: CN
Inventors: 林国雄
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-08-10
Filing date: 2002-08-10
Publication date: 2003-08-20
Anticipated expiration: 2012-08-10

Abstract

The utility model relates to an oil water separating device, which comprises a box body (1), a cover plate (2), a water inlet pipe (3), a drain pipe (4), a water inlet tank (5), a water distributing tank (6) communicated with the water inlet tank (5), an oil storage chamber (7), an oil separating pool (8), and a water suction tank (9). The utility model is characterized in that a baffle plate and a grid (11) are arranged between the water inlet tank (5) and the water distributing tank (6), a water distributing plate (12) is arranged between the water distributing tank (6) and the oil separating tank (8), and the inner part of which is provided with a sloped corrugated sloping plate (14) and a filtering screen (18); a siphon destructing pipe (17) is arranged between the oil separating tank (8) and the water suction box (9), the upper part of which is provided with an oil discharging opening (19) communicated with the oil storage chamber (7), the inner part of which is provided with a heating pipe (20) and a temperature sensor (21) to prevent that waste oil and fat are coagulated and ensure that the performance of the utility model is free from the environmental temperature effect. As the utility model adopts the separating and filtering combined mode for removing dregs and separating oil and water, the automatic heating operation and the automatic oil discharging operation can be carried out, no secondary pollution exists, and the oil water separating device can be maintained conveniently.

Description

A kind of oily-water seperating equipment

Technical field

The utility model relates to sewage disposal device, is specifically related to a kind of oily-water seperating equipment that is used for catering trade.

Technical background

Along with the development of society, the raising of living standards of the people, catering industry has obtained development rapidly.Because the cooking oil amount is big, make in waste water that dining room and resident produce in culinary art, the waste residue and contain a large amount of vegetable and animals oils, except that minority was utilized, the overwhelming majority directly entered in the rivers by sewer, and environment is caused great harm.The toxic compounds of some hydrophobic oleophylics is by oil absorption dissolving, by drinking water or food chain, enter cause canceration behind the human body, disable, acute poisoning etc.Greasy dirt in the municipal sewage system enrichment rots, fermentation, produces biogas, brings out blast very easily on fire down in extraneous factor.And those non-sterile are handled and feed livestock and poultry, can cause germ to grow with epidemic disease and infect.And animal and plant fat is the organic matter of long-chain, is difficult to biodegradation, and it is bubbled through the water column, and influences the dissolved oxygen of water, and water body and follow-up advanced treating are all had utmost point adverse influence, so, must be handled.For this reason, diversified oily water separator has appearred, but all exist oil, water, slag separating effect undesirable to some extent, deslagging difficulty, clean and maintenance inconvenience, the consumption worker is consuming time, automatically pump drainage waste oil from the oil storage storehouse, waste oil reclaim very inconvenience, and do not establish heating tube, in the winter time or cold district, oily water separator is subject to the problems such as influence of environment temperature.

The content of invention

In order to solve the problem that existing oily-water seperating equipment exists, the utility model provides a kind of the employing to separate and filter the mode that combines and remove the gred, separate profit, heats automatically, the oily-water seperating equipment of automatic oil draining, non-secondary pollution, easy maintenance.

A kind of oily-water seperating equipment described in the utility model, comprise casing, cover plate, be located at the casing right side water inlet pipe, be located at the drainpipe in casing left side, be located at the right in the casing inlet water tank and the cloth water tank that communicates with it, be located at oil storage storehouse anterior in the casing, be located at the oil interceptor suction box of back, oil storage storehouse in the casing, it is characterized in that:

Between inlet water tank and cloth water tank, be provided with baffle plate and grid; Grid is used for the pre-treatment operation of oily water, to hold back suspension bigger in the oily water and floating thing, prevents that separation equipment from stopping up.Grid is to be arranged in parallel at a certain distance by the little circular port of water resistance to form.After oily water enters water inlet, at first be subjected to the buffering of baffle plate, reduce flow velocity, by grid, solid particle is deposited on the grid then.

Be provided with water distributing plate between cloth water tank and oil interceptor, the top of water distributing plate is provided with spilled water hole; The ripple swash plate and the filter screen of inclination are installed in the oil interceptor, are provided with dividing plate between swash plate and the filter screen, be provided with the oil collect port that communicates with the oil storage storehouse on the top of oil interceptor; On water distributing plate, have the staggered spilled water hole that is arranged in parallel of two rows, oily water is scattered equably on the groove top and groove of ripple swash plate, make water-oil separating.Promptly utilize oil ratio water light, characteristic such as profit is immiscible is located away from the water surface and skim with oil, removes COD simultaneously.Tilted plate intercepter has adopted upward flow (claiming incorgruous stream again), and oily water flows into the swash plate group from top to bottom through spilled water hole, makes current near laminar condition, elaioleucite floats along swash plate, proportion is less than 1 elaioleucite, and come-up is to the pond face from oily water, and proportion then sinks to the bottom greater than 1 suspending sundries.

At the siphon destructing tube that is provided with of oil interceptor and suction box, siphon pipe destroys the top that is contained in dividing plate, and an end communicates with oil interceptor, and the other end communicates with suction box; Between dividing plate and suction box, be equipped with two and can slide up and down and can take out the three metafiltration nets that clean along draw-in groove; Suction box top is provided with the oil drain out that communicates with the oil storage storehouse, and the bottom of suction box is provided with the water sucking mouth, and drainpipe communicates with suction box.Have easy and simple to handlely, do not add chemical agent, clear up advantages such as easy to maintenance.The minimum point of water inlet pipe and drainpipe is higher than the water sucking mouth of suction box, makes the interface of oil slick and water be higher than the suction box water sucking mouth all the time, thereby has prevented that oil slick from being siphoned away by suction box.Because a siphon destructing tube is set in suction box and oil removal between him, its end opening is lower than the minimum point of outlet pipe, and the oil drain out that is higher than suitable for reading.When water level in the suction box is lower than the minimum point of delivery port, because of oil interceptor is in sealing state, according to siphon principle, under the hydrostatic pressure effect, air in oil interceptor is pulled away, and forms negative pressuren zone, when negative pressure reaches certain value, suction box siphons away ponding in the oil interceptor and greasy dirt, has just produced siphonage; When the water level in the suction box descended and is lower than siphonal end opening, the air conducting of oil removal case and suction box equated both pressure, has destroyed the condition that produces negative pressure in the oil removal case, and siphonage does not take place; When the water level in the suction box rose and is higher than the end opening of siphon destructing tube, liquid level was at first sealed the end opening of siphon destructing tube, prevented that air is escaped from the siphon destructing tube end opening in the oil interceptor; In addition, when the inlet water tank water level rises to water inlet peak and static pressure rising, the cloth water tank raises its inside static pressure power because of the effect of damming of spilled water hole on sealing and the water distributing plate above it, liquid level continues to raise in the inlet water tank thereby stoped, it is suitable for reading to make the interior liquid level of oil interceptor be lower than the bad destruction pipe of rainbow all the time, and oil slick can not be from siphon destructing tube loss suitable for reading.Like this with regard to the thorough problem that causes oil slick to run off because of liquid surface lifting that solved.

Described a kind of oily-water seperating equipment, its feature in the oil storage storehouse, be provided with heating tube and temperature sensor, on pasta raise the nose above water to breathe liquid-level switch and following pasta floating head liquid-level switch, fuel sucking pipe, fuel sucking pipe is connected with the oil well pump that is located at casing.Be that the fuel sucking pipe lower end has several and is higher than heating tube and installs the plane but be lower than following pasta and raise the nose above water to breathe the elongate slots of minimum point of liquid-level switch, when pasta is lower than the notch top, oil well pump can't be extracted into waste oil, and pasta is remained on the heating tube, prevents the heating tube dry combustion method and damages.Middle part in the oil storage storehouse is provided with oil temperature sensor, in order to the heating of switching in waste oil adiabatic condensation temperature scope of control heating tube, prevents that waste oil from condensing, and the performance that guarantees this device is not subjected to the influence of variation of ambient temperature.The upper and lower pasta liquid level sensor that is adopted is existing floating head liquid-level switch, is used for controlling the oil well pump that links with fuel sucking pipe, extracts waste oil out the oil storage storehouse, realizes the control to the pasta high and low position.

Description of drawings

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

Fig. 2 is the structural representation after Fig. 1 opens lid.

Fig. 3 is a upper and lower pasta liquid-level switch installation site schematic diagram.

The specific embodiment

Referring to Fig. 1, the waste oil that catering industry is produced, the water inlet pipe 3 that sewage is introduced casing 1 right side enter 5 pairs of waste oil of inlet water tank, sewage carries out pre-treatment, waste oil, sewage at first are subjected to the buffering of baffle plate 10, reduce flow velocity, hold back suspension bigger in the oily water and floating thing, solid particle then is deposited on the grid 11.Enter cloth water tank 6 by grid 11 then, scatter equably on the groove top and groove of the ripple swash plate 14 oil interceptor 8 from the spilled water hole 13 on the top of water distributing plate 12, make water-oil separating, the elaioleucite that proportion is lighter floats from oily water to the pond face, enter oil storage storehouse 7 by oil collect port 15, proportion then sinks to the bottom in pond greater than 1 foreign material.Remove waste oil water behind most of waste oil and the foreign material and enter filter screen 18 filter below dividing plate 16, float over top elaioleucite and flow into oil storage storehouses 7 from oil drain out 19, sewage 26 enters suction box 9 from the water sucking mouth; Owing to be contained in dividing plate 16 tops, an end communicates with oil interceptor 8, communicate with suction box 9 minimum point of delivery port of end opening drainpipe 4 of siphon destructing tube 17 of the other end, and the oil drain out 19 that is higher than suitable for reading.When water level is lower than the minimum point of delivery port in the suction box 9, because of cover plate 2 is sealed oil interceptor 8, make it to be in sealing state, according to siphon principle, under the hydrostatic pressure effect, the air in oil interceptor 8 is pulled away, form negative pressuren zone, when negative pressure reached certain value, suction box 9 siphoned away ponding in the oil interceptor 8 and greasy dirt, had just produced siphonage; When the water level in the suction box 9 descended and is lower than the end opening of siphon destructing tube 17, the air conducting of oil interceptor 8 and suction box 9 equated both pressure, has destroyed the condition that produces negative pressure in the oil interceptor 8, and siphonage does not take place; When the water level in the suction box 9 rose and is higher than the end opening of siphon destructing tube 17, liquid level was at first sealed the end opening of siphon destructing tube 17, prevented that air is escaped from siphon pipe 17 end openings in the oil interceptor 8; Waste oil enters the oil storage storehouse 7 from oil collect port 15 and oil drain out 19, is subjected to pasta to raise the nose above water to breathe liquid-level switch 22 and following pasta and raises the nose above water to breathe oil well pump 25 that liquid-level switch 23 controls and by fuel sucking pipe 24 waste oil is extracted out.Owing in oil storage storehouse 7, be provided with the heating tube 20 that is subjected to temperature sensor 21 controls, can prevent that waste oil from condensing, guarantee that performance of the present utility model is not subjected to the influence of variation of ambient temperature.

Claims

1, a kind of oily-water seperating equipment, comprise casing (1), cover plate (2), be located at casing (1) right side water inlet pipe (3), be located at the drainpipe (4) in casing (1) left side, be located at the right in the casing (1) inlet water tank (5) and the cloth water tank (6) that communicates with it, be located at oil storage storehouse (7) anterior in the casing (1), be located at oil interceptor (8) suction box (9) of back, casing (1) interior oil storage storehouse (9), it is characterized in that: between inlet water tank (5) and cloth water tank (6), be provided with baffle plate (10) and grid (11); Be provided with water distributing plate (12) between cloth water tank (6) and oil interceptor (8), the top of water distributing plate (12) is provided with spilled water hole (13); Be provided with water distributing plate (12) between cloth water tank (6) and oil interceptor (8), the top of water distributing plate (12) is provided with spilled water hole (13); The ripple swash plate (14) and the filter screen (18) of inclination are installed in the oil interceptor (8), are provided with dividing plate (16) between swash plate (14) and the filter screen (18), be provided with the oil collect port (15) that communicates with oil storage storehouse (7) on the top of oil interceptor (8); Oil interceptor (8) and suction box (9) be provided with siphon destructing tube (17), siphon destructing tube (17) is contained in the top of dividing plate (16), an end communicates with oil interceptor (8), the other end communicates with suction box (9); Suction box (9) top is provided with the oil drain out (19) that communicates with oil storage storehouse (7), and the bottom of suction box (9) is provided with water sucking mouth (26), and drainpipe (4) communicates with suction box (9); Between dividing plate (16) and suction box (9), be equipped with two and can slide up and down and can take out the three metafiltration nets (18) that clean along draw-in groove; Suction box (9) top is provided with the oil drain out (19) that communicates with oil storage storehouse (7), and the bottom of suction box (9) is provided with water sucking mouth (26), and drainpipe (4) communicates with suction box (9).

2, a kind of oily-water seperating equipment according to claim 1, its feature is provided with heating tube (20) and temperature sensor (21) in oil storage storehouse (7), go up pasta raises the nose above water to breathe liquid-level switch (22) and following pasta floating head liquid-level switch (23), fuel sucking pipe (24), and fuel sucking pipe (24) is connected with the oil well pump that is located at casing (1) (25).