CN212078822U - Environment-friendly municipal complex of festival ground of collection sewage treatment plant and rubbish transfer station - Google Patents
Environment-friendly municipal complex of festival ground of collection sewage treatment plant and rubbish transfer station Download PDFInfo
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- CN212078822U CN212078822U CN201921590226.6U CN201921590226U CN212078822U CN 212078822 U CN212078822 U CN 212078822U CN 201921590226 U CN201921590226 U CN 201921590226U CN 212078822 U CN212078822 U CN 212078822U
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Abstract
The utility model discloses a sewage treatment plant and rubbish transfer station's festival ground environment-friendly municipal complexIt is divided into three-dimensional three layers from top to bottom: a ground floor on which a parking lot and a city leisure park are arranged; the first layer is arranged, and a sewage treatment operation area and a garbage discharging area are arranged; the negative two layers are provided with a sewage treatment system area positioned below the sewage treatment operation area and a garbage compression transfer area positioned below the garbage discharge area; the layers are separated by a bearing floor slab, the thickness of the earth covering of the ground layer 1 is 1.5m, and the design load range of the ground layer 1 is 30-35 KN/m2. The utility model discloses combine building, make full use of sharing underground space resource with domestic waste transfer station and underground sewage treatment plant, compare current sewage treatment plant and rubbish transfer station, the utility model discloses more save land resource, more environmental protection and integrated construction investment are more economized.
Description
Technical Field
The utility model relates to a multi-functional festival ground environment-friendly municipal complex of this kind of "environment aversion type" municipal facilities of collection municipal administration sewage treatment plant and domestic waste transfer station.
Background
With the progress of urbanization, population density is rapidly increased, and urban land resources are increasingly tense. The municipal sewage treatment plant and the domestic garbage transfer station in the traditional mode are generally built on the ground, are independently built and are in an open state[1，2]. However, some of the areas where these municipal facilities are located will gradually become urban-dense areas. The area has the problems of high noise, strong stink, sewage cross flow, unattractive landscape and the like, and has adverse effects on the surrounding environment, the passing of citizens or the life of surrounding residents. Therefore, because of unwilling to build these "environment aversion type" facilities near the own home cell, there is a serious "proximity effect", which causes many social contradictions[3-6]。
At present, underground sewage treatment plants are gradually developed and built at home and abroad to replace the traditional ground sewage treatment plants so as to solve the problems[7-9]. Because the sewage treatment plant is in the underground totally-enclosed state, the influence of the underground sewage treatment plant on the surrounding environment is small, and the sewage treatment plant has obvious advantages in the aspects of reducing noise and odor pollution, saving occupied land and the like[10，11]. The integration of the municipal sewage treatment plant and other functional facilities into a municipal complex is a necessary trend for the intensive utilization of urban land. At present, the ministry of recordThe underground sewage treatment plant which is built in a separated mode is combined with ground facilities such as city parks, running water parks, community gardens, community parking lots and the like to form a comprehensive body. For example, the major treatment structures of the Guangzhou Jingxi sewage treatment plant are arranged underground, and the ground is used as a green landscape, so that a beautiful garden type factory environment is created; the Shenzhen Buji sewage treatment plant is a full-underground sewage treatment plant, and is an open leisure city park on the ground; the ground of the Qingshan sewage treatment plant in Guiyang city is mainly used as a running water park; the Taibei discolouration sewage treatment plant is divided into leisure parks and is also provided with a social parking lot[12-14，9]. However, the ground facilities have lower requirements on the environment, the formed complex is only a simple combination of the ground and the ground, and only the problems of the sewage treatment plant are solved, but underground space resources are not fully utilized. The utility model discloses a utility model patent of publication No. CN 206645974U discloses a multi-use architecture complex for sewage plant includes bottom sewage treatment system layer, intermediate level sewage treatment system operation layer and ground floor ground building facility layer respectively. Although the multifunctional building complex for the sewage plant effectively combines the sewage treatment plant with the ground sports leisure park and the social parking lot, the defects of the sewage treatment plant such as dirt, disorder, odor and obvious industrialization characteristics are overcome, but the vertical space resources of the underground sewage treatment plant are not fully utilized; and the sewage treatment plant adopts a multilevel A2the/O biological tank and the secondary sedimentation tank have large process floor area and cannot show the advantage of saving land of the underground sewage treatment plant.
The garbage of the traditional urban domestic garbage transfer station can be subjected to aerobic/anaerobic fermentation in the storage process, and irritant or malodorous gases, such as ammonia gas, hydrogen sulfide, organic amine and the like can be generated. And the concentration of the odor is increased in summer, the diffusion area is large, and the life of citizens or nearby residents is seriously influenced. The malodorous gas diffuses into the surrounding air and causes secondary environmental pollution. Meanwhile, a plurality of garbage transfer stations also have the problems of occupying the road, washing the vehicle and generating sewage cross flow due to garbage decay[4]. Therefore, the trash transfer station is not suitably disposed near the residential area.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an festival ground environment-friendly municipal complex of sewage treatment plant and rubbish transfer station is provided, it combines construction, make full use of sharing underground space resource with domestic waste transfer station and underground sewage treatment plant.
Solve above-mentioned technical problem, the utility model discloses the technical scheme who adopts as follows:
the utility model provides a sewage treatment plant and rubbish transfer station's festival ground environment-friendly municipal complex, sewage treatment plant include sewage treatment operation district (21) and sewage treatment system district (31), rubbish transfer station includes rubbish district (22) and rubbish compression transshipment district (32), characterized by:
the device is divided into three layers from top to bottom:
a ground floor (1) on which a parking lot (11) and a city leisure park (12) are arranged;
a negative layer (2) is arranged on the sewage treatment operation area (21) and the garbage discharge area (22);
the negative second layer (3) is provided with a sewage treatment system area (31) positioned below the sewage treatment operation area and a garbage compression transfer area (32) positioned below the garbage discharge area;
the garbage discharging area (22) is provided with a pipeline communicated with a sewage treatment system area (31), and the sewage treatment system area (31) is respectively provided with a reclaimed water recycling pipeline communicated with the parking lot (11) and the garbage compression and transfer area (32); the layers are separated by a bearing floor slab, the thickness of the earth covering of the ground layer (1) is 1.5m, and the design load range of the ground layer (1) is 30-35 KN/m2。
Garbage discharge district (22) top be provided with disinfection dustproof spraying system (225), cover suction system (226) and compactor (227) of induced drafting, the foul smell that cover suction system collected of induced drafting is carried to sewage treatment plant's deodorizing device and is concentrated the deodorization, the automatic rubbish of compressing of compactor powerful circulation.
The sewage treatment operation area (21) comprises an inlet water online analysis room (211), a pretreatment partition equipment room, two sets of deodorization devices (215-1 and 215-2), a biological treatment partition inspection room, a sludge treatment partition (218), an ultraviolet disinfection partition (219), a fire pool (220), a fire pump room (221), a fan room (222), a pump room (223) and a power distribution room (224);
the sewage treatment system area (31) comprises a pretreatment subarea pool body, a biological treatment subarea pool body and a water inlet pool (311);
the garbage compression and transfer area (32) comprises a compression container (321) which is provided with a vacuum suction system and outputs the compression container to a sewage treatment plant;
the pretreatment subarea consists of a fine grid pool (212), an aeration grit chamber (213) and a fine grid pool (214); the biological treatment zone is formed by a modified type A2the/O biochemical tank 216 and the MBR membrane tank 217; the sludge treatment partition (218) consists of a sludge dewatering room 2181, a stock bin 2182 and a sludge loading room 2183; the pretreatment partition is composed of a fine grid tank 212, an aeration grit chamber 213 and a fine grid tank 214.
The garbage transfer station is a vertical compression type transfer station, the operation workshop is closed and is provided with asbestos acoustic boards, an inlet and an outlet of the collecting vehicle are provided with air curtains, and a negative pressure air exhaust system for keeping the whole operation area at a micro negative pressure is further arranged.
The deodorizing devices (215-1 and 215-2) adopt an active carbon biological deodorization and ozone deodorization system, and the tail ends of the pretreatment subarea and the sludge treatment subarea (218) are communicated with a set of deodorizing device (215-1); the biological treatment subareas are communicated with the tail end of the garbage transfer station to share a set of deodorization device (215-2); the air inlet pipe is communicated with each area of the negative first layer (2) and the negative second layer (3), and the air outlet pipe is communicated with the soil of the ground layer (1).
The tail gas treated by the two sets of deodorization devices (215-1 and 215-2) is discharged into the soil of the ground layer through a pipeline, and the tail gas is treated by utilizing a soil deodorization technology: the device consists of an HDPE pipeline gas distribution system and an active soil medium system, wherein the HDPE pipeline gas distribution system comprises a gas distribution main pipe, a gas distribution main pipe and a perforated gas distribution branch pipe, and is used for uniformly distributing tail gas on the whole active soil medium distribution area; the active soil medium system comprises a pebble layer for fixing and distributing gas and a soil filter body for deodorizing.
The tops of the fine grid pond (212), the aeration grit chamber (213) and the fine grid pond (214) of the pretreatment subarea adopt natural lighting;
the modified type A2the/O biochemical pool (216) is composed of an anaerobic section (2161), an anoxic section (2162) and an aerobic section (2163) which are communicated in sequence;
the sludge treatment partition (218) consists of a sludge dewatering room (2181), a stock bin room (2182) and a sludge loading room (2183); the MBR membrane tank (217) is respectively communicated with the chambers of the sludge treatment subarea (218); the sludge treatment subarea is adjacent to the garbage discharging area (22) and is separated by a firewall.
The utility model combines the sewage treatment plant and other 'environment aversion type' facilities such as a domestic garbage transfer station, etc. to build and share underground resources, which can solve the problems of noise, odor, landscape, etc; and the interference to residential areas can be further reduced by combining with facilities with lower environmental requirements, such as city parks, greening, parking lots and the like. On one hand, the odor of the garbage transfer station and the sewage treatment plant is collected in a centralized way and shares a deodorization device, and the tail gas further utilizes the ground soil deodorization technology to achieve the purpose of thorough deodorization; on the other hand, the sewage and wastewater in the garbage transfer station can be collected to a sewage treatment plant for treatment in a short distance, and the reclaimed water treated in the water treatment plant is recycled to the site of the complex and the vehicle is cleaned; meanwhile, the dewatered sludge in the sewage treatment plant and the garbage slag in the garbage transfer station can be doped and compressed in a certain proportion and treated together.
Compared with the prior art, the utility model has the advantages of it is following:
(1) and land resources are saved. The comprehensive body builds the domestic garbage transfer station and the underground sewage treatment plant together underground, and adopts modular design and grouped layout to reasonably utilize underground space resources; meanwhile, the garbage transfer station adopts a vertical compression process, and a sewage treatment plant adopts an MBR membrane process to replace the traditional A process2The secondary sedimentation tank and the biological filter tank at the rear end of the/O biochemical tank occupy less land.
(2) Is more environment-friendly. The comprehensive body intensively and hermetically builds the environment aversion type municipal facilities underground, reduces the influence on the surrounding environment and solves the problems of noise, odor and water pollution. The reclaimed water of the sewage treatment plant is recycled to the site of the garbage transfer station for washing and container cleaning, and the water resource is reasonably utilized. Meanwhile, facilities such as parking lots, leisure parks and the like are built on the ground, so that ground resources are fully utilized, and the complex is more harmonious and compatible with the surrounding environment.
(3) The integrated construction investment is more saved. But odor and the dirty waste water that this complex rubbish transfer station produced short distance are collected and are carried to sewage treatment plant's deodorizing device and sewage treatment system and concentrate effective processing, have reduced the investment of traditional rubbish transfer station independent construction deodorization and sewage pretreatment systems.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
FIG. 1 is a schematic view of a complex according to an embodiment of the present invention;
fig. 2 is a plan view of a negative layer according to an embodiment of the present invention;
fig. 3 is a plan view of the negative two layers of the embodiment of the present invention;
fig. 4 is a schematic view of a garbage transfer station according to an embodiment of the present invention;
fig. 5 is a process flow diagram of a sewage treatment plant according to an embodiment of the present invention.
Detailed Description
The following further describes the implementation process with reference to the drawings of the present invention.
Fig. 1 to fig. 4 show an embodiment of a land-saving and environment-friendly municipal complex for sewage treatment plants and garbage transfer stations according to the present invention. The sewage treatment plant comprises a sewage treatment operation area 21 and a sewage treatment system area 31, and the garbage transfer station comprises a garbage discharge area 22 and a garbage compression transfer area 32.
The embodiment is divided into three layers from top to bottom:
a ground floor 1 on which a parking lot 11 and a city leisure park 12 are arranged;
a layer 2 is arranged, and a sewage treatment operation area 21 and a garbage discharging area 22 are arranged;
the negative second layer 3 is provided with a sewage treatment system area 31 positioned below the sewage treatment operation area 21 and a garbage compression transfer area 32 positioned below the garbage discharge area 22;
each of whichThe layers are separated by bearing floors, the earth covering thickness of the ground layer 1 (namely a covering soil layer, the bearing floors and the covering soil layer from bottom to top between the negative layer and the ground layer) is 1.5m, and the design load range of the ground layer 1 is 30-35 KN/m2。
The sewage treatment operation area 21 comprises an inlet water on-line analysis room 211, a device room of a pretreatment subarea (consisting of a fine grid pool 212, an aeration grit chamber 213 and a fine grid pool 214), two sets of deodorization devices 215-1 and 215-2 and a biological treatment subarea (consisting of a modified type A)2a/O biochemical pond 216 and an MBR membrane pond 217), a sludge treatment partition 218 (consisting of a sludge dewatering partition 2181, a stock bin partition 2182 and a sludge loading partition 2183), an ultraviolet disinfection partition 219, a fire-fighting water pool 220, a fire-fighting pump room 221, and fan rooms 222, a pump room 223 and a power distribution room 224.
The sewage treatment system zone 31 comprises a tank body of a pretreatment subarea (composed of a fine grid tank 212, an aeration grit chamber 213 and a fine grid tank 214), and a biological treatment subarea (composed of a modified type A)2a/O biochemical tank 216 and an MBR membrane tank 217) and a water inlet tank 311.
A disinfection dustproof spraying system 225, an air suction hood suction system 226 and a compactor 227 are arranged above the garbage discharging area 22, and odor collected by the air suction hood suction system 226 is conveyed to a deodorization device of a sewage treatment plant for centralized deodorization. The compactor 227 is forced to circulate automatically compressing the trash.
The garbage compression transfer area 32 is mainly a compression container 321, and the compression container 321 is provided with a vacuum suction system to collect the generated percolate sewage and treat the percolate sewage in a sewage treatment plant, so that the problem of sewage cross flow is avoided.
The sewage treatment plant of the complex enters into the modification A of the biological treatment zone after the inlet water is treated by the fine grid tank 212, the aeration grit chamber 213 and the fine grid tank 214 of the pretreatment zone2the/O biochemical pool 216 (comprising an anaerobic section, an anoxic section and an aerobic section) enters an MBR membrane pool 217 for mud-water separation, and finally enters an ultraviolet disinfection subarea 219 for disinfection and drainage, the effluent water is superior to the first-class A standard, and the reclaimed water can be reused for ground cleaning or landscape water of the parking lot 11 of the ground floor 1, the urban leisure park 12 and a garbage transfer station. MBR membrane tank 217 productThe raw excess sludge enters the sludge treatment zone 218, is dewatered, automatically charged and transported for disposal. The intake online analysis room 211 performs online analysis of the quality of the intake domestic sewage and transmits the data to a central control room of a sewage treatment plant installed on the ground floor.
The garbage transfer station of the comprehensive body is built into a vertical compression type transfer station, so that the occupied area is saved. After the barreled garbage transport vehicle collects garbage, the garbage is discharged into the vertical compression container 321 in the garbage discharge area 22 with the layer 2, and the garbage is compressed by the compactor 227 and then automatically loaded for transportation and disposal. The whole operation workshop is closed and is provided with an asbestos acoustic board, an inlet and an outlet of the collecting vehicle are provided with air curtains, and the collecting vehicle is also provided with a negative pressure air draft system which enables the whole operation area to keep micro negative pressure. A disinfection dustproof spraying system 225 is arranged above the discharging area 22, and spraying is carried out while discharging, so that the purposes of dust fall and deodorization are achieved; meanwhile, the odor is collected and delivered to the deodorizing device of the sewage treatment plant for simultaneous centralized treatment by the suction hood suction system 226. The compressor 223 can collect sewage to a sewage treatment plant for treatment through a vacuum suction system by leachate generated by strong circulation automatic compression of garbage, so that the problem of sewage cross flow is avoided. The water in the sewage treatment plant can also be recycled to the site of the garbage transfer station for washing and container cleaning, and the generated wastewater can be further collected to the sewage treatment plant for treatment in a short distance, so that the purpose of resource recycling is achieved. In addition, the garbage slag in the garbage transfer station and the dewatered sludge in the sewage treatment plant can be mixed in a certain proportion for co-treatment and disposal.
The deodorizing devices all adopt an active carbon biological deodorization and ozone deodorization system. The odor collection tail ends of the pretreatment subarea (composed of a fine grid tank 212, an aeration grit chamber 213 and a fine grid tank 214) and the sludge treatment subarea 218 (composed of a sludge dewatering room 2181, a stock bin room 2182 and a sludge loading room 2183) are communicated to share a set of deodorization device 215-1; biological treatment zone (with modified type A)2the/O biochemical tank 216 and the MBR membrane tank 217) and the tail end of the odor collection of the garbage transfer station are communicated to share one set of deodorization device 215-2. The air inlet pipe is communicated to each area of the negative first layer 2 and the negative second layer 3, the air outlet pipe is communicated to the soil of the ground layer 1, the tail gas is treated by utilizing the soil deodorization technology, and the underground space of the complex is ensuredThe middle and ground areas are odorless.
The tail gas treated by the two sets of deodorization devices (including the deodorization devices 215-1 and 215-2) is discharged into the soil of the ground layer through a pipeline, and the tail gas is treated by utilizing a soil deodorization technology: the device consists of an HDPE pipeline gas distribution system and an active soil medium system, wherein the HDPE pipeline gas distribution system comprises a gas distribution main pipe, a gas distribution main pipe and a perforated gas distribution branch pipe, and is used for uniformly distributing tail gas on the whole active soil medium distribution area; the active soil medium system comprises a pebble layer for fixing and distributing gas and a soil filter body for deodorizing.
The pretreatment subarea consists of a fine grid pool 212, an aeration grit chamber 213 and a fine grid pool 214 which are sequentially communicated, and the tops of the pools adopt natural lighting;
the biological treatment subareas are formed by sequentially communicated improved types A2a/O biochemical tank 216 and an MBR membrane tank 217; the modified type A2the/O biochemical pool 216 consists of an anaerobic section 2161, an anoxic section 2162 and an aerobic section 2163 which are communicated in sequence; the sludge treatment partition 218 consists of a sludge dewatering room 2181, a stock bin room 2182 and a sludge loading room 2183; the MBR membrane tank 217 is respectively communicated with the sludge treatment subareas 218. The sludge treatment zone 218 is adjacent to the waste discharge zone 22 and is separated by a firewall.
The garbage discharging area 22 is provided with a pipeline communicated with a sewage treatment system area 31, and the sewage treatment system area 31 is respectively provided with a reclaimed water recycling pipeline communicated with the parking lot 11 and a garbage compression and transportation area 32.
The area of the negative two-layer fireproof partition is not more than 5000m2The maximum evacuation distance is 200 m; the area of the negative layer fireproof subarea is not more than 2000m2The maximum evacuation distance is 70 m.
5 fire-fighting evacuation staircases are arranged on each floor, and each staircase is provided with a fan room for mechanical ventilation and air supply 24h all day; two lanes are arranged in the longer direction of the complex to form a channel connected with the ground, and the lanes are separated from other parts by adopting the separation of a firewall and a fireproof door to be used as emergency escape channels.
The utility model discloses combine "the aversion type of environment" municipal facilities domestic waste transfer station and sewage treatment plant, build 1 ~ 2 layers in the underground jointly, share underground space resource, form festival ground, environment-friendly municipal complex.
Negative layer 2 layout: the negative layer 2 mainly comprises a sewage treatment operation area 21 of a sewage treatment plant and a garbage discharging area 22 of a garbage transfer station. The sewage treatment operation area 21 comprises an online influent analysis room 211, an equipment room of a pretreatment subarea (consisting of a fine grid pool 212, an aeration grit chamber 213 and a fine grid pool 214), two sets of deodorization devices, a tour room of a biological treatment subarea (consisting of a modified A2/O biochemical pool 216 and an MBR membrane pool 217), a sludge treatment subarea 218 (consisting of a sludge dewatering room 2181, a stock bin room 2182 and a sludge loading room 2183), an ultraviolet disinfection subarea 219, a fire-fighting water pool 220, a fire-fighting pump room 221, fan rooms 222, a pump room 223, a power distribution room 224 and the like. The water inlet online analysis room 211 performs online water quality analysis on the domestic sewage inlet water and transmits data to the ground central control room. The fine grid pond 212, the aeration grit chamber 213 and the fine grid pond 214 of the pretreatment subarea are mainly arranged on the negative layer, and natural lighting is adopted on the top. The sludge treatment zone 218 (composed of a sludge dewatering room 2181, a storage bin room 2182 and a sludge loading room 2183) is adjacent to the garbage discharge zone 22 and is separated by a firewall. The fire pool 220 and the fire pump room 221 are also arranged on the negative layer 2, so that the fire-fighting water and water pressure of the whole complex are met.
Negative two-layer 3 layout arrangement: the negative second layer 3 is mainly provided with a sewage treatment system area 31 below the sewage treatment operation area 21 and a garbage compression and transportation area 32 below the garbage discharge area 22. The sewage treatment system zone 31 comprises a tank body of a pretreatment subarea (composed of a fine grid tank 212, an aeration grit chamber 213 and a fine grid tank 214), a tank body of a biological treatment subarea (composed of a modified A2/O biochemical tank 216 and an MBR membrane tank 217), a water inlet tank 311 and the like. The trash compaction transfer area 32 is primarily a compaction vessel 321.
The ground floor 1 is provided with: the ground floor 1 can be used for constructing facilities such as a community parking lot 11, a city leisure park 12 and the like for surrounding residents. On one hand, the problem of 'difficult parking' of nearby residents can be relieved, and in addition, the leisure and culture park can provide a moving place for the residents, so that the garbage transfer station and the sewage treatment plant in the complex are more coordinated with the surrounding environment landscape, and the 'environment aversion type' municipal facilities are changed from negative assets to positive assets.
Complex fire control, evacuation system: the complex comprises a domestic garbage transfer station and an underground sewage treatment plant. The domestic garbage transfer station has inflammable objects which need to be separated by a fire wall, and is provided with an automatic water spraying fire extinguishing system. The negative two-layer 3 of the underground sewage treatment plant is mainly a tank body of the sewage treatment system and is made of non-combustible materials; the negative layer 2 is an operation tour layer and is mainly provided with a blower room, a dosing room, a sludge dewatering room, partial cables, a water supply and drainage pipeline, a ventilation pipeline and the like, and the rest except the power cable is made of non-combustible materials. Therefore, the area of the negative two-layer fireproof subarea is not more than 5000m2Meanwhile, the maximum evacuation distance is 200 m; the area of the negative layer fireproof subarea is not more than 2000m2And the maximum evacuation distance is 70 m. Every layer all sets up 5 fire control evacuation staircases, takes place emergency and can just select evacuation stair to lead to the ground floor, and every staircase all sets up the fan room, 24h mechanical ventilation air supply throughout the day. Two-way lanes are arranged in the longer direction of the integrated body to form a channel connected with the ground, so that the engineering vehicle of a garbage transfer station and a sewage treatment plant can conveniently enter and exit, and the production and fire-fighting requirements can be met. The lane is the complex special use, on the one hand transports sewage treatment plant's mud and medicament, and the rubbish that rubbish transfer station collected and the rubbish of compression were transported are transported to on the other hand, and simultaneously, the fire engine can come in and go out when the conflagration breaing out, and consequently, daily incoming and outgoing vehicle is less. And the fire wall and the fireproof door are adopted to separate the lane from other parts to be used as an emergency escape channel.
Complex deodorizing device: the sewage treatment plant and the garbage transfer station of the complex are underground, and a deodorization mode of comprehensive collection and regional centralized treatment is adopted. Two sets of deodorization devices are arranged, and an active carbon biological deodorization and ozone deodorization system is adopted. The odor collection tail ends of the pretreatment subarea (composed of a fine grid tank 212, an aeration grit chamber 213 and a fine grid tank 214) and the sludge treatment subarea 218 (composed of a sludge dewatering room 2181, a stock bin room 2182 and a sludge loading room 2183) are communicated to share a set of deodorization device 215-1; biological treatment zone (with modified type A)2the/O biochemical tank 216 and the MBR membrane tank 217Finished) and the tail end of the odor collection of the garbage transfer station are communicated to share one set of deodorization device 215-2. After the odor is treated, the tail gas further utilizes the ground soil deodorization technology to achieve the purpose of thorough deodorization.
Reference to the literature
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Claims (7)
1. The utility model provides a sewage treatment plant and rubbish transfer station's festival ground environment-friendly municipal complex, sewage treatment plant include sewage treatment operation district (21) and sewage treatment system district (31), rubbish transfer station includes rubbish district (22) and rubbish compression transshipment district (32), characterized by:
the device is divided into three layers from top to bottom:
a ground floor (1) on which a parking lot (11) and a city leisure park (12) are arranged;
a negative layer (2) is arranged on the sewage treatment operation area (21) and the garbage discharge area (22);
the negative second layer (3) is provided with a sewage treatment system area (31) positioned below the sewage treatment operation area and a garbage compression transfer area (32) positioned below the garbage discharge area;
the garbage discharging area (22) is provided with a pipeline communicated with a sewage treatment system area (31), and the sewage treatment system area (31) is respectively provided with a reclaimed water recycling pipeline communicated with the parking lot (11) and the garbage compression and transfer area (32); the layers are separated by a bearing floor slab, the thickness of the earth covering of the ground layer (1) is 1.5m, and the design load range of the ground layer (1) is 30-35 KN/m2。
2. The environment-friendly municipal complex for sewage treatment plant and garbage transfer station according to claim 1, wherein: garbage discharge district (22) top be provided with disinfection dustproof spraying system (225), cover suction system (226) and compactor (227) of induced drafting, the foul smell that cover suction system collected of induced drafting is carried to sewage treatment plant's deodorizing device and is concentrated the deodorization, the automatic rubbish of compressing of compactor powerful circulation.
3. The environment-friendly municipal complex for sewage treatment plant and garbage transfer station according to claim 2, wherein: the sewage treatment operation area (21) comprises an inlet water online analysis room (211), a pretreatment partition equipment room, two sets of deodorization devices (215-1 and 215-2), a biological treatment partition inspection room, a sludge treatment partition (218), an ultraviolet disinfection partition (219), a fire pool (220), a fire pump room (221), a fan room (222), a pump room (223) and a power distribution room (224);
the sewage treatment system area (31) comprises a pretreatment subarea pool body, a biological treatment subarea pool body and a water inlet pool (311);
the garbage compression and transfer area (32) comprises a compression container (321) which is provided with a vacuum suction system and outputs the compression container to a sewage treatment plant;
the pretreatment subarea consists of a fine grid pool (212), an aeration grit chamber (213) and a fine grid pool (214); the biological treatment zone is formed by a modified type A2a/O biochemical tank (216) and an MBR membrane tank (217); the sludge treatment partition (218) is composed of a sludge dewatering room (2181), a stock bin room (2182) and a sludge loading room (2183).
4. The environment-friendly municipal complex for sewage treatment plant and garbage transfer station according to claim 2, wherein: the garbage transfer station is a vertical compression type transfer station, the operation workshop is closed and is provided with asbestos acoustic boards, an inlet and an outlet of the collecting vehicle are provided with air curtains, and a negative pressure air exhaust system for keeping the whole operation area at a micro negative pressure is further arranged.
5. The environment-friendly municipal complex for sewage treatment plant and garbage transfer station according to claim 2, wherein: the deodorizing devices (215-1 and 215-2) adopt an active carbon biological deodorization and ozone deodorization system, and the tail ends of the pretreatment subarea and the sludge treatment subarea (218) are communicated with a set of deodorizing device (215-1); the biological treatment subareas are communicated with the tail end of the garbage transfer station to share a set of deodorization device (215-2); the air inlet pipe is communicated with each area of the negative first layer (2) and the negative second layer (3), and the air outlet pipe is communicated with the soil of the ground layer (1).
6. The environment-friendly municipal complex for sewage treatment plant and garbage transfer station according to claim 5, wherein: the tail gas treated by the two sets of deodorization devices (215-1, 215-2) is discharged into the soil of the ground layer through a pipeline, and the tail gas is treated by utilizing a soil deodorization technology: the device consists of an HDPE pipeline gas distribution system and an active soil medium system, wherein the HDPE pipeline gas distribution system comprises a gas distribution main pipe, a gas distribution main pipe and a perforated gas distribution branch pipe, and is used for uniformly distributing tail gas on the whole active soil medium distribution area; the active soil medium system comprises a pebble layer for fixing and distributing air and a soil filter body for deodorizing.
7. The environment-friendly municipal complex for sewage treatment plant and garbage transfer station according to claim 3, wherein: the tops of the fine grid pond (212), the aeration grit chamber (213) and the fine grid pond (214) of the pretreatment subarea adopt natural lighting;
the modified type A2the/O biochemical pool (216) is composed of an anaerobic section (2161), an anoxic section (2162) and an aerobic section (2163) which are communicated in sequence;
the MBR membrane tank (217) is respectively communicated with the chambers of the sludge treatment subarea (218); the sludge treatment subarea is adjacent to the garbage discharging area (22) and is separated by a firewall.
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| CN110725578A (en) * | 2019-09-24 | 2020-01-24 | 哈尔滨工业大学（深圳） | Environment-friendly municipal complex of festival ground of collection sewage treatment plant and rubbish transfer station |
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| CN110725578A (en) * | 2019-09-24 | 2020-01-24 | 哈尔滨工业大学（深圳） | Environment-friendly municipal complex of festival ground of collection sewage treatment plant and rubbish transfer station |
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