CN211056906U

CN211056906U - Restaurant wastewater treatment device

Info

Publication number: CN211056906U
Application number: CN201921832768.XU
Authority: CN
Inventors: 柳晓宁
Original assignee: Hebei Haitian Environmental Protection Engineering Equipment Co ltd
Current assignee: Hebei Haitian Environmental Protection Engineering Equipment Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-07-21
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a restaurant wastewater treatment device, which comprises a sedimentation tank, an anoxic tank, an aerobic tank, an MBR tank and a clean water tank which are sequentially communicated; the sedimentation tank is divided into a solid-liquid separation chamber, an oil-water separation chamber and a sedimentation chamber by a first upper partition plate and a second upper partition plate; a slag separating box is arranged in the solid-liquid separation chamber; a rotating shaft is rotatably arranged at the upper part of the oil-water separation chamber, a condensing plate is arranged on the rotating shaft, one end of the rotating shaft penetrates through the side wall of the oil-water separation chamber and is provided with a connector, and a cooling water inlet pipe and a cooling water outlet pipe are arranged on the connector; the upper part of the oil-water separation chamber is provided with a fixed shaft, a scraper is arranged on the fixed shaft in a sliding manner, and the side wall of the oil-water separation chamber is provided with a clean oil port. The utility model discloses a grease in condenser plate and the quick efficient of scraper blade remove sewage has improved oil-water separation effect and oil-water separation efficiency greatly, the utility model discloses simple structure is compact, and the pollutant removal rate is high, goes out water stable in quality of water, but the sewage treatment in the aspect of the wide application in food and beverage.

Description

Restaurant wastewater treatment device

Technical Field

The utility model relates to a food and beverage management technical field especially relates to a food and beverage effluent treatment plant.

Background

The restaurant wastewater has complex pollutant components and high concentration and seriously pollutes the urban environment. Grease in sewage is easy to condense on the inner wall of the pipeline to form a thick grease layer, so that the water passing capacity of the pipeline is reduced, and even the pipeline is blocked. The sewage is treated to reach the national discharge standard and can be discharged into urban sewers or directly into other water bodies, otherwise, the sewage can bring serious adverse effects on the ecological environment and the daily life of people; the existing oil-water separation method mainly utilizes the gravity settling principle to remove impurities or complete the separation of oil and water according to the density difference of water and oil, but the method can only separate floating oil from water generally, and oily wastewater needs to be kept still for a long time in the separation process, so that the problems of low oil-water separation efficiency, long time consumption and incomplete oil-water separation exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a catering waste water treatment device aiming at the defects of the prior art.

In order to solve the above problems, the utility model adopts the following technical proposal:

a restaurant wastewater treatment device comprises a sedimentation tank, an anoxic tank, an aerobic tank, an MBR tank and a clean water tank which are sequentially communicated, wherein the sedimentation tank is provided with a sewage inlet, and the clean water tank is provided with a water outlet; a first upper baffle and a second upper baffle are arranged in the sedimentation tank, gaps are formed between the first upper baffle and the bottom of the sedimentation tank, and the first upper baffle and the second upper baffle divide the sedimentation tank into a solid-liquid separation chamber, an oil-water separation chamber and a sedimentation chamber which are communicated with each other; a slag separating box is arranged in the solid-liquid separation chamber; the upper part of the oil-water separation chamber is rotatably provided with a rotating shaft, the rotating shaft is provided with a condensing plate, one end of the rotating shaft penetrates out of the side wall of the oil-water separation chamber and is provided with a connector, the connector is provided with a cooling water inlet pipe and a cooling water outlet pipe, a first cavity is arranged in the rotating shaft, a first partition plate is arranged in the first cavity and divides the first cavity into a first water inlet channel and a first water outlet channel, the condensing plate is provided with a second cavity, a second partition plate is arranged in the second cavity and divides the second cavity into a second water inlet channel and a second water outlet channel, the second water inlet channel is communicated with the second water outlet channel through a water outlet, the cooling water inlet pipe is communicated with the first water inlet channel through the connector, and the first water inlet channel is communicated with the second water inlet channel, the cooling water outlet pipe is communicated with the first water outlet channel through a connector, and the first water outlet channel is communicated with the second water outlet channel; the upper portion of oil-water separation chamber is provided with the fixed axle, the sliding is provided with on the fixed axle with the scraper blade of condensation board looks adaptation, set up on the lateral wall of oil-water separation chamber with clear hydraulic fluid port corresponding with the scraper blade.

Furthermore, a supporting plate is arranged on the side wall corresponding to the solid-liquid separation chamber, a supporting plate is correspondingly arranged on the side wall of the slag separating box, and the supporting plate is lapped on the supporting plate.

Further, an air floatation device is arranged at the bottom of the oil-water separation chamber.

Furthermore, a first lower partition plate is arranged on the inner bottom wall of the oil-water separation chamber, and a second lower partition plate is arranged on the inner bottom wall of the settling chamber.

Further, a handle is arranged at the top of the scraper.

Further, the lower part of the scraper is provided with an inclined collecting plate.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

the utility model discloses a grease in condenser plate and the quick efficient of scraper blade remove sewage has improved oil-water separation effect and oil-water separation efficiency greatly, the utility model discloses simple structure is compact, and the pollutant removal rate is high, goes out water stable in quality of water, can be applied to the sewage treatment in the aspect of the food and beverage extensively, has fine use and spreading value.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the structure of the settling tank of the present invention;

FIG. 3 is a cross-sectional view of FIG. 2;

fig. 4 is a schematic diagram of the structure of the middle condensation plate of the present invention.

In the figure: 1. a sedimentation tank; 2. an anoxic tank; 3. an aerobic tank; 4. an MBR tank; 5. a clean water tank; 6. a sewage inlet; 7. a water outlet; 8. a first upper partition plate; 9. a second upper partition plate; 10. a solid-liquid separation chamber; 11. an oil-water separation chamber; 12. a settling chamber; 13. a slag separating box; 14. a rotating shaft; 15. a condensing plate; 16. a connector; 17. a cooling water inlet pipe; 18. a cooling water outlet pipe; 19. a first partition plate; 20. a first water inlet channel; 21. a first water outlet channel; 22. a second partition plate; 23. a second water inlet channel; 24. a second water outlet channel; 25. a water outlet; 26. a fixed shaft; 27. a squeegee; 28. an oil cleaning port; 29. a support plate; 30. a support plate; 31. an air floatation device; 32. a first lower partition plate; 33. a second lower partition plate; 34. a handle; 35. and (4) an inclined collecting plate.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1-4, the restaurant wastewater treatment device of the present invention comprises a sedimentation tank 1, an anoxic tank 2, an aerobic tank 3, an MBR tank 4, and a clean water tank 5, which are sequentially connected, wherein the sedimentation tank 1 is provided with a sewage inlet 6, and the clean water tank 5 is provided with a water outlet 7; a first upper partition plate 8 and a second upper partition plate 9 are arranged in the sedimentation tank 1, gaps are arranged between the first upper partition plate 8 and the bottom of the sedimentation tank 1 and between the second upper partition plate 9 and the sedimentation tank 1, the first upper partition plate 8 and the second upper partition plate 9 divide the sedimentation tank 1 into a solid-liquid separation chamber 10, an oil-water separation chamber 11 and a sedimentation chamber 12 which are communicated with each other, and sewage in the solid-liquid separation chamber 10, the oil-water separation chamber 11 and the sedimentation chamber 12 flows through the gaps below the first upper partition plate 8 and the second upper partition plate 9; a slag separating box 13 is arranged in the solid-liquid separation chamber 10, the slag separating box 13 is positioned below the sewage inlet 6, sewage is directly discharged into the slag separating box 13, and solid with larger size is left in the slag separating box 13, so that the cleaning is convenient; the bottom of the oil-water separation chamber 11 is provided with an air flotation device 31, the upper part of the oil-water separation chamber 11 is rotatably provided with a rotating shaft 14, two ends of the rotating shaft 14 are rotatably arranged on two corresponding side walls of the oil-water separation chamber 11 through bearings, the rotating shaft 14 is arranged in parallel with a first upper baffle plate 8 and a second upper baffle plate 9, the rotating shaft 14 is provided with a condensing plate 15, one end of the rotating shaft 14 penetrates out of the side walls of the oil-water separation chamber 11 and is provided with a connector 16, the connector 16 is provided with a cooling water inlet pipe 17 and a cooling water outlet pipe 18, the connector 16 is communicated with the rotating shaft 14, a first cavity is arranged in the rotating shaft 14, a first partition plate 19 is arranged in the first cavity, the first cavity is divided by the first partition plate 19 to form a first water inlet channel 20 and a first water outlet channel 21, and the cavity in the connector 19 is divided into the first water inlet, a second cavity is formed in the condensation plate 15, a second partition plate 22 is arranged in the second cavity, the second cavity is partitioned by the second partition plate 22 to form a second water inlet channel 23 and a second water outlet channel 24, the second water inlet channel 23 is communicated with the second water outlet channel 24 through a water passing port 25, the cooling water inlet pipe 17 is communicated with the first water inlet channel 20 through a connector 16, the first water inlet channel 20 is communicated with the second water inlet channel 23, the cooling water outlet pipe 18 is communicated with the first water outlet channel 21 through the connector 16, and the first water outlet channel 21 is communicated with the second water outlet channel 24; the upper portion of oil water separating chamber 11 is provided with fixed axle 26, slide on the fixed axle 26 be provided with the scraper blade 27 of condensation plate 15 looks adaptation, leave the region of letting between the lateral wall of condensation plate 15 and oil water separating chamber 11, scraper blade 27 is located lets the position in the region, does not influence the condensation plate 15 rotation, sets up the groove with condensation plate 15 looks adaptation on the scraper blade 27, and when condensation plate 15 was vertical to be placed, scraper blade 27 slides and sets up on condensation plate 15, the lower part of scraper blade 27 is provided with oblique collecting plate 35, prevents that the grease of scraping from dropping in sewage, scraper blade 27 top is provided with handle 34, and the staff's of being convenient for stimulates scraper blade 27 round trip movement, still can pass through connecting piece installation electric actuator, makes scraper blade 27 make the round trip to slide, seted up on the lateral wall of oil water separating chamber 11 with the clear oil mouth 28 that scraper blade 27 corresponds. The during operation, the vertical setting of condensation plate 15, the lower part of condensation plate 15 is located the sewage, cooling water gets into from cooling water inlet tube 17, through first water inlet channel 20, second water inlet channel 23, cross water mouth 25, second water outlet channel 24, discharge from cooling water outlet pipe 18 behind the first water outlet channel 21, oil-water cooling in the sewage becomes the grease and attaches to on condensation plate 15, when the grease is long-pending many, 180 degrees with condensation plate 15 upset, the grease on sliding scraper 27 with condensation plate 15 strikes off, and collect in the container through clear oil mouth 28.

Furthermore, a supporting plate 29 is arranged on the corresponding side wall of the solid-liquid separation chamber 10, a supporting plate 30 is correspondingly arranged on the side wall of the slag separating box 13, and the supporting plate 30 is lapped on the supporting plate 29, so that the slag separating box 13 can be conveniently taken and placed, and solid pollutants in the slag separating box 13 can be cleaned.

Further, be provided with first baffle 32 down on the diapire in the oil water separation room 11, be provided with second baffle 33 down on the diapire in the settling chamber 12, the height of baffle 33 is all less than the height of baffle 8 on first and second on baffle 9 under first baffle 32 and the second, and sewage passes through from the top of baffle 33 under first baffle 32 and the second, sedimentation tank 1 bottom is provided with the sediment export, is convenient for discharge mud.

In the utility model, sewage enters the slag separating box 13 from the sewage inlet 6 to remove larger solid pollutants, and oil-water separation and solid-liquid separation are carried out through the oil-water separation chamber 11 and the settling chamber 12; the separated sewage enters an anoxic tank 2, and the anoxic tank 2 is used as a pretreatment unit to provide places for microbial hydrolysis acidification, denitrification and the like; the effluent of the anoxic tank 2 enters an aerobic tank 3, and the activated sludge is subjected to aerobic respiration to further decompose organic matters into inorganic matters and remove pollutants; the effluent of the aerobic tank 3 enters an MBR tank 4, and the deep purification of the sewage in the bioreactor is realized through the high-efficiency separation action of a filter membrane; the clean water tank 5 stores sewage filtered by the MBR, and a water outlet is formed in the clean water tank 5 and can discharge the sewage into a sewage treatment plant.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. A restaurant wastewater treatment device is characterized by comprising a sedimentation tank (1), an anoxic tank (2), an aerobic tank (3), an MBR tank (4) and a clean water tank (5) which are sequentially communicated, wherein the sedimentation tank (1) is provided with a sewage inlet (6), and the clean water tank (5) is provided with a water outlet (7); a first upper partition plate (8) and a second upper partition plate (9) are arranged in the sedimentation tank (1), a gap is formed between the first upper partition plate (8) and the bottom of the sedimentation tank (1) and between the second upper partition plate (9) and the sedimentation tank (1), and the sedimentation tank (1) is divided into a solid-liquid separation chamber (10), an oil-water separation chamber (11) and a sedimentation chamber (12) which are communicated with each other by the first upper partition plate (8) and the second upper partition plate (9); a slag separating box (13) is arranged in the solid-liquid separation chamber (10); the oil-water separation chamber is characterized in that a rotating shaft (14) is arranged on the upper portion of the oil-water separation chamber (11) in a rotating mode, a condensation plate (15) is arranged on the rotating shaft (14), one end of the rotating shaft (14) penetrates out of a connector (16) arranged behind the side wall of the oil-water separation chamber (11), a cooling water inlet pipe (17) and a cooling water outlet pipe (18) are arranged on the connector (16), a first cavity is arranged in the rotating shaft (14), a first partition plate (19) is arranged in the first cavity, the first cavity is separated by the first partition plate (19) to form a first water inlet channel (20) and a first water outlet channel (21), a second cavity is arranged in the condensation plate (15), a second partition plate (22) is arranged in the second cavity, and the second partition plate (22) separates the second cavity to form a second water inlet channel (23) and a second water outlet channel (24), the second water inlet channel (23) is communicated with the second water outlet channel (24) through a water passing port (25), the cooling water inlet pipe (17) is communicated with the first water inlet channel (20) through a connector (16), the first water inlet channel (20) is communicated with the second water inlet channel (23), the cooling water outlet pipe (18) is communicated with the first water outlet channel (21) through the connector (16), and the first water outlet channel (21) is communicated with the second water outlet channel (24); the upper portion of oil-water separation chamber (11) is provided with fixed axle (26), fixed axle (26) go up the slip be provided with scraper blade (27) of condensation plate (15) looks adaptation, seted up on the lateral wall of oil-water separation chamber (11) with clear hydraulic fluid port (28) that scraper blade (27) correspond.

2. The restaurant wastewater treatment device according to claim 1, wherein a support plate (29) is arranged on the corresponding side wall of the solid-liquid separation chamber (10), a support plate (30) is correspondingly arranged on the side wall of the slag separation box (13), and the support plate (30) is lapped on the support plate (29).

3. Restaurant wastewater treatment plant according to claim 1, characterized in that an air flotation device (31) is arranged at the bottom of said oil-water separation chamber (11).

4. The restaurant wastewater treatment device according to claim 1, wherein a first lower partition plate (32) is arranged on the inner bottom wall of the oil-water separation chamber (11), and a second lower partition plate (33) is arranged on the inner bottom wall of the settling chamber (12).

5. Restaurant waste water treatment plant according to claim 1, characterized in that a handle (34) is arranged on top of said scraper (27).

6. Restaurant waste water treatment plant according to claim 1, characterised in that the lower part of said scraper (27) is provided with an inclined collecting plate (35).