CN218403920U

CN218403920U - Distributed catering sewage integrated treatment system

Info

Publication number: CN218403920U
Application number: CN202223020887.XU
Authority: CN
Inventors: 翟亚丽; 张玉红; 王雨露; 余倍; 李卓; 蒋奎星
Original assignee: Hunan CRRC Environmental Engineering Co Ltd
Current assignee: Hunan CRRC Environmental Engineering Co Ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-01-31
Anticipated expiration: 2032-11-14

Abstract

The utility model discloses a distributed food and beverage sewage integration processing system, which comprises a bod, the organism is separated for oil separating district, the preliminary sedimentation district, the anaerobic zone, the anoxic zone, the aerobic zone, settling zone and disinfection play water zone, anaerobic zone and anoxic zone, anoxic zone and aerobic zone, be equipped with the honeycomb duct between aerobic zone and settling zone and the disinfection play water zone, one side of disinfection play water zone is equipped with the overflow weir, the opposite side is equipped with the delivery port, anoxic zone and aerobic zone bottom all are equipped with the perforation aeration pipe, be equipped with first return line between aerobic zone and the anoxic zone, be equipped with mixed liquid backwash pump in the aerobic zone, mixed liquid backwash pump connects first return line, be equipped with the second return line between settling zone and the anaerobic zone. Compared with the prior art, the utility model discloses can realize that food and beverage sewage collects on the spot, handles up to standard and irrigate the retrieval and utilization on the spot.

Description

Distributed catering sewage integrated treatment system

Technical Field

The utility model relates to a food and beverage sewage treatment technical field, in particular to distributed food and beverage sewage integration processing system.

Background

At present, the traditional methods for treating the restaurant sewage mainly comprise a physical method, a chemical method, a biological method and the like, wherein the physical method has large equipment investment and is generally used for pretreatment of the restaurant sewage; the chemical method has large sludge amount and high treatment cost; the biological method has large floor area, long retention time and slow effect. Meanwhile, in view of the characteristics of dispersion of distribution of farmhouse happiness, civilian accommodation, rural holiday villages and the like, large change of water quality and water quantity of discharged sewage, high organic matter content, high oil content of sewage and the like, the traditional treatment method is not suitable for treating the catering sewage.

In recent years, due to the wide application of integrated sewage treatment equipment in the field of rural domestic sewage treatment, the treatment of catering sewage such as farmhouse-entertainment and the like gradually tends to the integrated equipment or a combined process of oil separation pretreatment, integrated sewage treatment equipment and advanced treatment. The system is applied to the research and development of an integrated treatment system for distributed catering sewage treatment, and has shown certain market demands.

However, the existing rural sewage treatment equipment is developed with the aim of treating rural farmer domestic sewage, and does not have an oil removal function, if the equipment is directly used for treating catering sewage, a large amount of grease contained in the sewage can cause serious impact on a biochemical treatment system, so that the biochemical treatment system is crashed, further the treated water does not reach the standard, and finally the serious pollution problem is brought to the surrounding water environment. In addition, in order to meet the treatment requirements, other sewage treatment equipment such as oil separating wells, septic tanks and the like are required to be additionally arranged, so that not only is the multi-excavation and segmented construction required, but also the operation, maintenance and management are not facilitated. Therefore, the existing integrated equipment is not suitable for treating restaurant sewage discharged by scattered small catering industries such as farmhouse, residential houses, rural holiday villages and the like.

In view of this, the inventor of the present application has made intensive studies to obtain a distributed integrated treatment system for restaurant wastewater.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a distributed food and beverage sewage integration processing system, it can realize that food and beverage sewage is collected on the spot, is handled up to standard and irrigates the retrieval and utilization on the spot.

The above technical object of the present invention can be achieved by the following technical solutions:

the utility model provides a distributed food and beverage sewage integration processing system, includes the organism, be separated in the organism and separate oil compartment district, pre-settling district, anaerobic zone, anoxic zone, aerobic zone, settling zone and disinfection play water zone, one side of oil compartment district is equipped with the water inlet, pre-settling district with the lower part is equipped with the water hole between the anaerobic zone, anaerobic zone with the anoxic zone with the aerobic zone, the aerobic zone with the settling zone and be equipped with the honeycomb duct between the settling zone with the disinfection play water zone, the upper end of honeycomb duct is the entry, and the lower extreme is the export, one side of disinfection play water zone is equipped with the overflow weir, and the opposite side is equipped with the delivery port, anoxic zone with aerobic zone bottom all is equipped with the perforation aeration pipe, be equipped with the filler in the aerobic zone, be equipped with first backward flow pipeline between the aerobic zone with the anoxic zone, be equipped with the backwash pump in the aerobic zone, the first backward flow pump is connected with the first backward flow pipeline, be equipped with second backward flow pipeline between settling zone with the mud reflux pump, the last connection of sludge reflux pump return flow pipe is connected with the mud reflux mixed liquor.

In a preferred embodiment, a water-stop baffle is arranged in the pre-settling area, a grid support plate is arranged between the wall of the pre-settling area and the water-stop baffle, an oil-separation hanging basket is arranged on the grid support plate, and the width of the oil-separation hanging basket is equal to the distance between the water-stop baffle and the wall of the pre-settling area.

In a preferred embodiment, the top of the oil separation area is provided with an inspection hole, the top elevation of the oil separation hanging basket is lower than the elevation of the water inlet, and the plane size of the oil separation hanging basket is smaller than the size of the inspection hole.

In a preferred embodiment, an oil discharge port is arranged on the tank wall above the oil separation area.

In a preferred embodiment, the itching area is provided with an upper grating plate and a lower grating plate, and MBBR fillers which are uniformly distributed are arranged between the two grating plates.

In a preferred embodiment, the water outlet zone is provided with an observation well.

In a preferred embodiment, the sludge discharge pipe and the second return pipeline are connected with the sludge return pump through a three-way joint, and valves are respectively arranged on the sludge discharge pipe and the second return pipeline.

Compared with the prior art, the utility model provides a distributed catering sewage integrated treatment system, which has convenient construction, small occupied area and easy maintenance, has the functions of high-efficiency oil removal and water outlet metering, and can realize on-site collection, standard treatment and on-site irrigation recycling of catering sewage; the device is highly integrated, equipment such as an oil separating well, a septic tank and the like do not need to be additionally and independently arranged, and segmental excavation and segmental construction are not needed, so that great convenience is brought to construction, installation and subsequent operation and maintenance; the AA/O (MBBR) process is adopted, and biological fillers are added in an aerobic zone of the system, so that the biological nitrogen and phosphorus removal effect of the system can be enhanced, and the sewage treatment efficiency is improved; the diversion pipes are arranged at the water inlet positions of the anaerobic zone, the anoxic zone, the aerobic zone and the sedimentation zone to guide sewage, so that the flow state of the sewage entering each zone is optimized, the short flow phenomenon is avoided, and the hydraulic retention time is ensured.

Drawings

FIG. 1 is a top view of the utility model relates to a distributed integrated treatment system for restaurant sewage.

Fig. 2 isbase:Sub>A schematic longitudinal sectional view ofbase:Sub>A-base:Sub>A in fig. 1.

Fig. 3 is a schematic longitudinal sectional view of B-B in fig. 1.

In the drawings

A pre-settling zone 1; an oil separating area 2; an anaerobic zone 3, an anoxic zone 4, an aerobic zone 5 and a sedimentation zone 6; a disinfection effluent area 7; a water inlet 8; a grid support plate 9; an oil removal hanging basket 10; a hanging basket handle 11; a water-stop baffle 12; water passing holes 13; an inspection hole 14; a grid plate 15; a filler 16; a second return conduit 17; a draft tube 18; a valve 19; a sludge discharge pipe 20; a sludge reflux pump 21; a water outlet 22; a first return pipe 23; a mixed liquid reflux pump 24; a blower 25; an overflow weir 26; perforated aeration pipe 27.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

As shown in figures 1 to 3, a distributed catering sewage integrated treatment system comprises a machine body, the machine body is divided into an oil separating area 2, a pre-settling area 1, an anaerobic area 3, an anoxic area 4, an aerobic area 5, a settling area 6 and a disinfection water outlet area 7, one side of the oil separating area 2 is provided with a water inlet 8, the lower part between the pre-settling area 1 and the anaerobic area 3 is provided with a water through hole 13, guide pipes 18 are arranged between the anaerobic area 3, the anoxic area 4, the aerobic area 5, the settling area 6 and the disinfection water outlet area 7, the upper end of each guide pipe 18 is an inlet, the lower end of each guide pipe 18 is an outlet, sewage enters the guide pipes 18 from the upper part and enters the lower part of the next functional area through the guide pipes 18, one side of the disinfection effluent zone 7 is provided with an overflow weir 26, the other side is provided with a water outlet 22, the bottoms of the anoxic zone 4 and the aerobic zone 5 are both provided with a perforated aeration pipe 27, the perforated aeration pipe 27 is connected with an air blower 25, a filler 16 is arranged in the aerobic zone 5, a first return pipeline 23 is arranged between the aerobic zone 5 and the anoxic zone 4, a mixed liquid return pump 24 is arranged in the aerobic zone 5, the mixed liquid return pump 24 is connected with the first return pipeline 23, a second return pipeline 17 is arranged between the sedimentation zone 6 and the anaerobic zone 3, the sedimentation zone 6 is provided with a sludge return pump 21, the sludge return pump 21 is connected with the second return pipeline 17, and the sludge return pump 21 is also connected with a sludge discharge pipe.

The distributed integrated treatment system for the restaurant sewage is convenient to construct, small in occupied area and easy to maintain, has the functions of efficient oil removal and water outlet metering, and can realize on-site collection, standard treatment and on-site irrigation recycling of the restaurant sewage; the device is highly integrated, and equipment such as an oil separating well, a septic tank and the like is not required to be additionally and independently arranged, and segmental excavation and segmental construction are not required, so that great convenience is brought to construction, installation and subsequent operation and maintenance; the AA/O (MBBR) process is adopted, and the biological filler 16 is added in the aerobic zone 5 of the system, so that the biological nitrogen and phosphorus removal effect of the system can be enhanced, and the sewage treatment efficiency is improved; the water inlet positions of the anaerobic zone 3, the anoxic zone 4, the aerobic zone 5 and the sedimentation zone 6 are all provided with the flow guide pipes 18 for guiding sewage, so that the flow state of the sewage entering each zone is optimized, the short flow phenomenon is avoided, and the hydraulic retention time is ensured; the perforated aeration pipe 27 is provided to stir the mixed liquid in the anoxic zone 4 and the aerobic zone 5 by the action of air.

Be provided with water proof baffle 12 in the zone of sinking in advance 1, the pool wall in zone of sinking in advance 1 with be equipped with grid backup pad 9 between water proof baffle 12, be equipped with oil removal string basket 10 on grid backup pad 9, be equipped with string basket handle 11 on oil removal string basket 10, the oil removal string basket 10 the width with water proof baffle 12 with distance between the pool wall in zone of sinking in advance 1 equals, and water proof baffle 12 and pool wall side respectively are equipped with the bayonet socket, hang basket 10 phase-match with the oil removal to guarantee that oil removal string basket 10 is stable to be installed, do not turn on one's side and do not empty at the operation in-process.

The top in oil removal district 2 is equipped with inspection hole 14, the top elevation that separates oil string basket 10 is less than the elevation of water inlet 8, the plane size that separates oil string basket 10 is less than the size of inspection hole 14 to it takes out from inspection hole 14 to hang the basket, makes things convenient for relevant personnel to regularly draw the fortune dimension clearly.

Alternatively, in the oil separation region 2, in the case where the oil separation baskets 10 are not provided, fine sand may be provided for oil separation.

An oil discharge port is arranged on the tank wall above the oil separation area 2 and is arranged close to the upper part, so that maintenance can be conveniently carried out at proper time, and subsequent process treatment units are prevented from being influenced by accumulated oil.

The aerobic zone 5 is provided with an upper grating plate 15 and a lower grating plate 15, and MBBR fillers 16 which are uniformly distributed are arranged between the two grating plates 15.

The hydraulic retention time ranges of the pre-settling zone 1, the anaerobic zone 3, the anoxic zone 4 and the aerobic zone 5 are respectively 6.5-8h, 1.0-1.8h, 2.5-3.5h and 9-12h.

And the water outlet area is provided with an observation well so as to observe the water outlet condition at any time.

The sludge discharge pipe 20 and the second return pipeline 17 are connected with the sludge return pump 21 through a three-way joint, the sludge discharge pipe 20 and the second return pipeline 17 are respectively provided with a valve 19, and sludge return or sludge discharge is controlled by controlling the switch of the valve 19.

The foregoing description of the embodiments is provided to facilitate the understanding and use of the invention by those skilled in the art, and it will be readily apparent to those skilled in the art that various modifications may be made to the embodiments and the generic principles defined herein may be applied to other embodiments without the use of inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should understand that all the improvements and modifications made without departing from the scope of the present invention according to the disclosure of the present invention should be within the protection scope of the present invention.

Claims

1. The distributed catering sewage integrated treatment system is characterized by comprising a machine body, wherein the machine body is divided into an oil separating area, a pre-settling area, an anaerobic area, an anoxic area, an aerobic area, a settling area and a disinfection water outlet area, a water inlet is formed in one side of the oil separating area, water passing holes are formed in the lower portion between the pre-settling area and the anaerobic area, the anoxic area, the aerobic area, the settling area and the disinfection water outlet area are provided with flow guide pipes, the upper end of each flow guide pipe is an inlet, the lower end of each flow guide pipe is an outlet, one side of the disinfection water outlet area is provided with an overflow weir, the other side of the disinfection water outlet area is provided with a water outlet, the bottom of the anoxic area and the bottom of the aerobic area are provided with perforated aeration pipes, aerobic fillers are arranged in the aerobic area, a first backflow pipe is arranged between the aerobic area and the anoxic area, a sludge backflow pump is arranged in the aerobic area, the aerobic area is connected with the aerobic backflow pipe, a second backflow pipe is arranged in the settling area, a sludge backflow pump is connected with a sludge backflow pipe, and a sludge backflow mixed liquid is connected with the sludge backflow pump, and a sludge backflow pump.

2. The integrated treatment system for distributed restaurant sewage as claimed in claim 1, wherein a water-stop baffle is disposed in the pre-settling area, a grid support plate is disposed between the wall of the pre-settling area and the water-stop baffle, an oil-separation hanging basket is disposed on the grid support plate, and the width of the oil-separation hanging basket is equal to the distance between the water-stop baffle and the wall of the pre-settling area.

3. The integrated treatment system for distributed restaurant sewage as claimed in claim 2, wherein an inspection hole is formed in the top of the oil separation area, the elevation of the top of the oil separation hanging basket is lower than that of the water inlet, and the plane size of the oil separation hanging basket is smaller than that of the inspection hole.

4. The integrated treatment system for distributed restaurant sewage as claimed in claim 1, wherein an oil discharge port is formed on the tank wall above the oil separating area.

5. The integrated distributed restaurant sewage treatment system according to claim 1, wherein an upper grating plate and a lower grating plate are arranged in the aerobic zone, and MBBR fillers which are uniformly distributed are arranged between the two grating plates.

6. The integrated distributed restaurant sewage treatment system as claimed in claim 1, wherein said effluent area is provided with an observation well.

7. The integrated distributed restaurant sewage treatment system according to claim 1, wherein said sludge discharge pipe and said second return pipeline are connected to said sludge return pump through a three-way joint, and said sludge discharge pipe and said second return pipeline are respectively provided with a valve.