CN218811073U - Sewage pretreatment device - Google Patents

Abstract

The utility model belongs to the technical field of sewage treatment, a sewage pretreatment device is disclosed. The sewage pretreatment device comprises a first collecting tank, a second collecting tank, a collecting tank and a shell. The first collecting tank is used for collecting kitchen sewage, a plurality of oil separating bins are arranged in the first collecting tank, and the oil separating bins can separate oil and water; the second collecting tank is used for collecting the toilet sewage, a plurality of temporary storage bins are arranged in the second collecting tank, and the temporary storage bins are used for precipitating and hydrolyzing the toilet sewage; the collecting pool is respectively communicated with the oil separating bin and the temporary storage bin, the collecting pool is used for collecting kitchen sewage, toilet sewage and washing sewage, a third discharge pipe is arranged at the bottom of the collecting pool, and the third discharge pipe is used for discharging collected sewage stored in the collecting pool; the first collecting tank, the second collecting tank and the collecting tank are all arranged in the shell. This sewage pretreatment device can carry out integration centralized processing with the domestic sewage of different grade type, and simple structure, practicality are strong to conveniently move and transport.

Description

Sewage pretreatment device

Technical Field

The utility model relates to a sewage treatment technical field especially relates to a sewage pretreatment device.

Background

When field construction operation of petroleum drilling is carried out, a construction team generally collects domestic sewage including kitchen sewage, toilet sewage, washing sewage and the like by using a small sewage tank or a sewage pit, the domestic sewage is collected fully and then is conveyed to a large sewage tank for temporary storage, and a corresponding sewage pretreatment process is not needed in the process, so that the complexity and difficulty of subsequent sewage treatment are increased; if carry out domestic sewage preliminary treatment, then need reform transform the living camp scene, including installing oil water separator one by one, setting up grid pond, installation water pump etc. when the living camp changes and moves along with the operation place, need dismantle above equipment again one by one, waste time and energy, very big increase the degree of difficulty and the cost that the living camp moved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sewage pretreatment device carries out integration centralized processing with the sewage of different grade type to conveniently move and transport.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a sewage pretreatment device, include:

the kitchen sewage treatment device comprises a first collecting tank, a plurality of oil separating bins and a plurality of second collecting tanks, wherein the first collecting tank is internally provided with the oil separating bins, the oil separating bins can separate oil and water in the kitchen sewage, two adjacent oil separating bins are communicated through a first communication pipe, the bottoms of the oil separating bins are respectively provided with a first sewage discharge pipe, and the first sewage discharge pipes are used for discharging the kitchen sewage accumulated in the oil separating bins;

the second collecting tank is internally provided with a plurality of temporary storage bins, the temporary storage bins are used for precipitating and hydrolyzing the toilet sewage, two adjacent temporary storage bins are communicated through inclined pipes, the bottoms of the temporary storage bins are provided with second sewage discharge pipes, and the second sewage discharge pipes are used for discharging the toilet sewage accumulated in the temporary storage bins;

the collecting pool is respectively communicated with the oil separation bin and the temporary storage bin, a second filtering basket is arranged in the collecting pool and can filter washing sewage, and a third sewage discharge pipe is arranged at the bottom of the collecting pool and is used for discharging the kitchen sewage, the toilet sewage and the washing sewage accumulated in the collecting pool;

the first collecting pool, the second collecting pool and the collecting pool are all arranged in the shell.

Preferably, an oil storage bin is arranged in the first collecting tank, the oil storage bin is communicated with the oil separation bin, the oil storage bin is used for storing oil separated by the oil separation bin, a fourth blow-off pipe is arranged at the bottom of the oil storage bin, and the fourth blow-off pipe is used for discharging the oil stored in the oil storage bin.

Preferably, a first filter basket is arranged in the oil separation bin.

Preferably, the oil separation bin is communicated with the collecting pool through a second communicating pipe.

Preferably, the sewage pretreatment device further comprises a valve bin, a first sewage discharge valve is installed on the first sewage discharge pipe, a second sewage discharge valve is installed on the second sewage discharge pipe, a third sewage discharge valve is installed on the third sewage discharge pipe, a fourth sewage discharge valve is installed on the fourth sewage discharge pipe, and the first sewage discharge valve, the second sewage discharge valve, the third sewage discharge valve and the fourth sewage discharge valve are located in the valve bin.

Preferably, a hoisting piece is arranged on the shell.

Preferably, a manhole is formed in the shell, and a manhole cover is installed on the shell and used for opening or closing the manhole.

Preferably, the shell is of a double-layer structure, and a heat-insulating material is arranged in an interlayer of the shell.

Preferably, a ladder stand is arranged in the collecting pool.

Preferably, the sewage pretreatment apparatus further comprises a discharge assembly disposed in the collection tank, the discharge assembly being configured to discharge the sewage collected in the collection tank.

The beneficial effects of the utility model reside in that:

the utility model provides a sewage pretreatment device collects kitchen sewage through first collecting pit, is provided with a plurality of oil separation storehouses in the first collecting pit, and oil stain and water can be separated in the oil separation storehouse to carry out the preliminary treatment to kitchen sewage, reduced kitchen sewage's pollution nature. Collect bathroom sewage through the second collecting pit, be provided with a plurality of temporary storage storehouses in the second collecting pit, the temporary storage storehouse can deposit and hydrolyze bathroom sewage to carry out the preliminary treatment to bathroom sewage, reduced the pollution nature of bathroom sewage. Collect and be equipped with the second filter basket in the pond, can filter washing sewage, collect the pond respectively with first collecting pit and second collecting pit intercommunication, can collect kitchen sewage, bathroom sewage and washing sewage after the preliminary treatment to unified discharge treatment carries out. Kitchen sewage that stores up in the oil interceptor is discharged through the first blow off pipe that sets up in the oil interceptor bottom, and the bathroom sewage that stores up in the second blow off pipe discharge temporary storage storehouse that sets up in the temporary storage storehouse bottom, and the sewage after gathering that stores up in the pool is collected in the third blow off pipe discharge that sets up through gathering the bottom of the pool, can be when low temperature winter, avoid this sewage pretreatment device to be frozen after the decommissioning. The first collecting tank, the second collecting tank and the collecting tank are assembled into a whole through the shell, so that the parts are conveniently and uniformly maintained, and the device is convenient to move and transport.

Drawings

FIG. 1 is a top view of a sewage and pretreatment unit according to an embodiment of the present invention;

FIG. 2 isbase:Sub>A sectional view A-A of FIG. 1;

FIG. 3 is a cross-sectional view B-B of FIG. 1;

FIG. 4 is a cross-sectional view taken at C-C of FIG. 2;

fig. 5 is a schematic structural diagram of a sewage pretreatment device according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a sewage drain pipe provided by the specific embodiment of the present invention.

In the figure:

100-a first drain pipe; 200-a second blow-off pipe; 300-a third blow-off pipe; 400-a fourth sewage discharge pipe;

1-a first collection tank; 11-oil separation bin; 111-a second aperture; 12-an oil storage bin; 13-a first filter basket; 14-a first communication pipe; 15-a second communicating tube;

2-a second collecting tank; 21-temporary storage bin; 211-an injection head; 22-an inclined tube;

3-a collection pool; 31-a second filter basket; 32-climbing a ladder; 33-a first hole;

4-a housing; 41-a hoisting member; 42-manhole covers; 43-bin cover;

5-a valve chamber; 51-a first purge valve; 52-a second blowoff valve; 53-a third blowoff valve; 54-a fourth blowoff valve;

6-a discharge assembly; 61-a water pump; 62-a drain pipe; 63-discharge head.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.

The utility model provides a sewage pretreatment device, as shown in fig. 1-4, this sewage pretreatment device includes first collecting pit 1, second collecting pit 2, collects pond 3 and shell 4. Be provided with a plurality of oil separating bins 11 in the first collecting pit 1, oil separating bin 11 can separate the oil and the water in the meal kitchen sewage, through first communicating pipe 14 intercommunication between two adjacent oil separating bins 11, the bottom of a plurality of oil separating bins 11 all is provided with first drain pipe 100, and first drain pipe 100 is used for discharging the meal kitchen sewage that accumulates in oil separating bin 11. Because the density of the oil is different from that of the water, the oil in the kitchen sewage can be separated by utilizing the density difference between the oil and the water, in the embodiment, two oil separation bins 11 are arranged, the two oil separation bins 11 are communicated through a first communicating pipe 14, and the two oil separation bins 11 are arranged, so that the oil and water separation effect can be improved, and the pretreatment efficiency is improved; oil separating bin 11 can carry out the preliminary treatment to kitchen sewage to reduced kitchen sewage's pollution nature, first blow-off pipe 100 can discharge the kitchen sewage that accumulates in oil separating bin 11, thereby when temperature was low winter, can avoid this sewage pretreatment devices to be frozen after the stop use.

A plurality of temporary storage bins 21 are arranged in the second collecting tank 2, the temporary storage bins 21 are used for precipitating and hydrolyzing the toilet sewage, two adjacent temporary storage bins 21 are communicated through an inclined pipe 22, the bottoms of the temporary storage bins 21 are provided with second sewage discharge pipes 200, and the second sewage discharge pipes 200 are used for discharging the toilet sewage accumulated in the temporary storage bins 21. In this embodiment, three temporary storage bins 21 are provided and are communicated with each other through the inclined pipes 22, the toilet sewage is discharged into the temporary storage bin 21 at the end farthest from the collecting tank 3, and after passing through the three temporary storage bins 21, the functions of interception, precipitation, hydrolytic fermentation and storage of excrement in the toilet sewage can be realized, so that the whole pretreatment process of the toilet sewage is realized, and the cleanliness of the pretreated toilet sewage is ensured; the temporary storage bin 21 can pretreat the sewage in the toilet, so that the pollution of the sewage in the toilet is reduced, and the second sewage discharge pipe 200 can discharge the sewage in the toilet stored in the temporary storage bin 21, so that the sewage pretreatment device can be prevented from being frozen after being stopped in use when the temperature is low in winter.

The collecting pool 3 is respectively communicated with the oil separating bin 11 and the temporary storage bin 21, a second filtering basket 31 is arranged in the collecting pool 3, the second filtering basket 31 can filter washing sewage, a third sewage discharge pipe 300 is arranged at the bottom of the collecting pool 3, and the third sewage discharge pipe 300 is used for discharging kitchen sewage, toilet sewage and washing sewage accumulated in the collecting pool 3. In this embodiment, the second filtering basket 31 is a rectangular filtering device with basket grating surrounded by five stainless steel plates, the five stainless steel plates are all provided with filtering hole slots, the washing sewage is discharged into the collecting tank 3 and then firstly enters the basket grating, and the basket grating can intercept larger suspended matters or floating matters in the washing sewage, so as to primarily filter the washing sewage; the upper part of the wall surface of the temporary storage bin 21 separated from the collecting pool 3 is provided with a first hole 33, and the toilet sewage pretreated by the temporary storage bin 21 enters the collecting pool 3 through the first hole 33. The collecting tank 3 can collect the pretreated kitchen sewage, toilet sewage and washing sewage, so that the sewage is uniformly discharged and treated, the sewage treatment efficiency is improved, and the sewage treatment difficulty is reduced; the third drain pipe 300 can discharge the collected sewage accumulated in the collecting tank 3, so that the sewage pretreatment device can be prevented from being frozen after being stopped in winter when the temperature is low.

The first collecting tank 1, the second collecting tank 2, and the collecting tank 3 are all provided in the housing 4. In the embodiment, the shell 4 is a steel cuboid, and the first collecting tank 1, the second collecting tank 2 and the collecting tank 3 are assembled into a whole through the shell 4, so that the unified maintenance of each part is facilitated, and the device is convenient to move and transport; the shell 4 facial make-up is equipped with injection head 211, and injection head 211 is located the upper portion of temporary storage 21, and there is the injection passageway injection head 211 inside, and injection head 211 is connected with the bathroom sewer pipe in camp to inject bathroom sewage into temporary storage 21, injection head 211 can prevent the leakage of bathroom sewage in the injection in-process.

Further, as shown in fig. 4, an oil storage bin 12 is disposed in the first collecting tank 1, the oil storage bin 12 is communicated with the oil separation bin 11, the oil storage bin 12 is used for storing oil separated from the oil separation bin 11, a fourth drain pipe 400 is disposed at the bottom of the oil storage bin 12, and the fourth drain pipe 400 is used for draining oil stored in the oil storage bin 12. The upper parts of the wall surfaces of the two oil separation bins 11 and the oil storage bin 12 are respectively provided with a second hole 111, and due to density difference between oil and water, after the kitchen sewage enters the oil separation bins 11, the oil floats on the upper layer and flows into the oil storage bin 12 through the second holes 111; the fourth drain pipe 400 can drain the oil stored in the oil storage bin 12, so that the sewage pretreatment apparatus can be prevented from being frozen after being stopped in winter when the temperature is low.

Specifically, as shown in fig. 2, a first filter basket 13 is disposed in the oil separation chamber 11. In this embodiment, first filtration basket 13 is the same with second filtration basket 31 structure, is to enclose synthetic cuboid hand-basket grid filter equipment by five corrosion resistant plate, has all seted up the filtration pore groove on five corrosion resistant plate, and meal kitchen sewage discharge gets into at first the hand-basket grid after in separating oil bin 11, and the great suspended solid or floater in meal kitchen sewage can be held back to the hand-basket grid to carry out prefilter to meal kitchen sewage, reduced follow-up degree of difficulty to meal kitchen sewage pretreatment.

Further, as shown in fig. 2, the oil separation bin 11 is communicated with the collecting tank 3 through a second communicating pipe 15. In this embodiment, the second communicating pipe 15 is located in the collecting tank 3, the inlet end of the second communicating pipe 15 is communicated with the lower part of the oil separation bin 11, and the outlet end of the second communicating pipe 15 is higher than the level of the inlet end, so that the treated water overflows into the collecting tank 3 after the oil separation bin 11 separates oil and water, thereby ensuring the cleanliness of the liquid flowing into the collecting tank 3 and reducing the subsequent treatment difficulty.

Further, as shown in fig. 4 and 6, the sewage pretreatment device further includes a valve chamber 5, a first sewage discharge valve 51 is installed on the first sewage discharge pipe 100, a second sewage discharge valve 52 is installed on the second sewage discharge pipe 200, a third sewage discharge valve 53 is installed on the third sewage discharge pipe 300, a fourth sewage discharge valve 54 is installed on the fourth sewage discharge pipe 400, and the first sewage discharge valve 51, the second sewage discharge valve 52, the third sewage discharge valve 53 and the fourth sewage discharge valve 54 are located in the valve chamber 5. In this embodiment, all install manual control's valve on first blow off pipe 100, second blow off pipe 200, third blow off pipe 300 and the fourth blow off pipe 400, thereby can be according to actual conditions's needs carry out the blowdown to opening the valve, be convenient for clear up this sewage pretreatment device comprehensively, can also prevent that the device from being frozen when temperature is low, improved the practicality. First blowoff valve 51, second blowoff valve 52, third blowoff valve 53 and fourth blowoff valve 54 all set up in valve storehouse 5, and the operating personnel of being convenient for carries out concentrated blowdown to each blow off pipe and handles, has improved this sewage pretreatment device's blowdown efficiency.

Further, as shown in fig. 5, a sling 41 is provided on the housing 4. In this embodiment, the shell 4 is welded with four hoisting pieces 41, and the hoisting pieces 41 are provided with round holes, so that the hoisting of a hook of a crane is facilitated; when the sewage treatment device is moved and transported, the device can be lifted and moved by a crane through the lifting piece 41, and the device can be lifted to a transport vehicle and then transported to a specified point, so that the transportation of the device is greatly facilitated.

Further, as shown in fig. 5, a manhole is opened on the housing 4, a manhole cover 42 is installed on the housing 4, and the manhole cover 42 is used for opening or closing the manhole. In this embodiment, the manhole is located at the top of the collecting tank 3, and after the manhole cover 42 is opened, an operator can enter the collecting tank 3 to perform maintenance, so that the service life of the sewage pretreatment device is prolonged. In addition, two injection ports and an observation port are further formed in the top of the shell 4, the two injection ports are respectively located at the tops of the oil separation bin 11 and the collecting pool 3, the observation port is located at the top of the temporary storage bin 21, the injection ports are used for injecting kitchen sewage and washing sewage into the oil separation bin 11 and the collecting pool 3, the observation port is used for observing the treatment condition of the toilet sewage in the temporary storage bin 21, a bin cover 43 is mounted on the shell 4, the bin cover 43 is used for opening or closing the injection ports and the observation port, the inside and the outside of the device can be kept isolated relatively after the bin cover 43 is closed, and peculiar smell is prevented.

Further, as shown in fig. 2-4, the housing 4 has a double-layer structure, and a heat insulating material is disposed in an interlayer of the housing 4. The shell 4 is formed by welding two layers of steel plates, and the middle part is filled with a heat insulation material, so that the sewage pretreatment device has certain heat insulation performance, and the use requirement under the low-temperature environment in winter is met.

Further, a ladder 32 is arranged in the collecting tank 3. The ladder stand 32 is mounted on the side wall of the collection tank 3, the ladder stand 32 being located below the manhole, and an operator can descend into the collection tank 3 through the ladder stand 32 after entering the manhole.

Further, as shown in fig. 2, the sewage pretreatment apparatus further includes a discharge assembly 6, the discharge assembly 6 is disposed in the collecting tank 3, and the discharge assembly 6 is used for discharging the sewage collected in the collecting tank 3. The discharge assembly 6 comprises a water pump 61, a discharge pipe 62 and a discharge head 63, in this embodiment, the water pump 61 is arranged at the bottom of the collection pool 3, when the water amount in the collection pool 3 meets the discharge requirement, an operator can open the water pump 61, the water collected in the collection pool 3 enters the discharge head 63 through the discharge pipe 62, a discharge channel is arranged in the discharge head 63, and the discharge head 63 is connected with subsequent biochemical treatment equipment, so that the water in the collection pool 3 is discharged, and the device can stably and continuously work.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. Sewage pretreatment device, its characterized in that includes:

the kitchen sewage treatment device comprises a first collecting tank (1), wherein a plurality of oil separation bins (11) are arranged in the first collecting tank (1), the oil separation bins (11) can separate oil and water in kitchen sewage, two adjacent oil separation bins are communicated through a first communication pipe (14), a plurality of first drainage pipes (100) are arranged at the bottoms of the oil separation bins (11), and the first drainage pipes (100) are used for discharging the kitchen sewage accumulated in the oil separation bins (11);

the sewage treatment device comprises a second collecting tank (2), wherein a plurality of temporary storage bins (21) are arranged in the second collecting tank (2), the temporary storage bins (21) are used for precipitating and hydrolyzing the sewage in the toilet, two adjacent temporary storage bins (21) are communicated through an inclined pipe (22), the bottoms of the temporary storage bins (21) are provided with second sewage discharge pipes (200), and the second sewage discharge pipes (200) are used for discharging the sewage in the toilet stored in the temporary storage bins (21);

the kitchen sewage, the toilet sewage and the washing sewage are collected in the collecting pool (3), the collecting pool (3) is communicated with the oil separating bin (11) and the temporary storage bin (21) respectively, a second filtering basket (31) is arranged in the collecting pool (3), the second filtering basket (31) can filter the washing sewage, the collecting pool (3) is used for collecting the kitchen sewage, the toilet sewage and the washing sewage, a third sewage discharge pipe (300) is arranged at the bottom of the collecting pool (3), and the third sewage discharge pipe (300) is used for discharging the kitchen sewage, the toilet sewage and the washing sewage accumulated in the collecting pool (3);

the first collecting pool (1), the second collecting pool (2) and the collecting pool (3) are all arranged in the shell (4).

2. The sewage pretreatment device according to claim 1, wherein an oil storage bin (12) is arranged in the first collecting tank (1), the oil storage bin (12) is communicated with the oil separation bin (11), the oil storage bin (12) is used for storing oil separated by the oil separation bin (11), a fourth sewage discharge pipe (400) is arranged at the bottom of the oil storage bin (12), and the fourth sewage discharge pipe (400) is used for discharging the oil stored in the oil storage bin (12).

3. Sewage pretreatment device according to claim 2, characterized in that a first filter basket (13) is provided in the oil-insulated silo (11).

4. The sewage pretreatment device according to claim 2, wherein said oil-separating bin (11) is communicated with said collection basin (3) through a second communication pipe (15).

5. The sewage pretreatment device according to claim 2, further comprising a valve chamber (5), wherein the first sewage pipe (100) is provided with a first sewage valve (51), the second sewage pipe (200) is provided with a second sewage valve (52), the third sewage pipe (300) is provided with a third sewage valve (53), the fourth sewage pipe (400) is provided with a fourth sewage valve (54), and the first sewage valve (51), the second sewage valve (52), the third sewage valve (53) and the fourth sewage valve (54) are located in the valve chamber (5).

6. Sewage pretreatment device according to claim 1, characterized in that a sling (41) is provided on the housing (4).

7. The sewage pretreatment device according to claim 1, wherein a manhole is opened on the housing (4), and a manhole cover (42) is installed on the housing (4), wherein the manhole cover (42) is used for opening or closing the manhole.

8. The sewage pretreatment device according to claim 1, wherein the housing (4) has a double-layer structure, and a heat insulating material is provided in an interlayer of the housing (4).

9. Sewage pretreatment device according to any of claims 1-8, characterized in that a ladder (32) is arranged in the collection basin (3).

10. The sewage pretreatment apparatus according to any one of claims 1 to 8, further comprising a discharge assembly (6), wherein the discharge assembly (6) is disposed in the collection tank (3), and the discharge assembly (6) is configured to discharge the sewage collected in the collection tank (3).

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