139 results about "Rainwater tank" patented technology

The invention relates to an ecological road shock resistance rainwater utilization system. The ecological road shock resistance rainwater utilization system is characterized in that the ecological road shock resistance rainwater utilization system is arranged on an open space or greenbelt land on the side of a road, and comprises rainwater inlets, abandon flow grooves, a low elevation greenbelt, initial rainwater storage processing wet land, an overflow well, a rainwater tank, a rainwater utilization structure and a draining well, wherein grids are arranged in the rainwater inlets, volume spaces are arranged inside the rainwater inlets, and are used for remaining rainwater for a short time and serving as grit chambers, the rainwater inlets are communicated with the abandon flow grooves through rainwater pipes, overflow openings are formed in the tops of the abandon flow grooves, the abandon flow grooves are communicated with the initial rainwater storage processing wet land through abandon flow pipes, the low elevation greenbelt is lower than a road surface, a permeable backfill layer is arranged on the lower portion of the low elevation greenbelt, the initial rainwater storage processing wet land comprises an initial rainwater storage pool and processing wet land, and a partition wall with water distribution holes is arranged between the initial rainwater storage pool and the processing wet land. The ecological road shock resistance rainwater utilization system plays a role in rainwater discharge reduction and slow discharge, reduces city rainfall flood runoff volume, reduces probability of occurrence of city rainfall flood disasters, and meanwhile can effectively control construction scales of downstream drainage systems, has an excellent eco-environment protection effect, and provides a new way to solve the problem of city water shortage.

An integrated domestic utility system is used to recycle grey water in a domestic house as a means to divert treated potable water away from non-potable uses, and in particular, toilet flushing. The system comprises a rainwater tank for storing rainwater collected from a roof top and a grey water tank to store grey water collected from a shower or bathtub. The rainwater is used to augment the grey water supply through a self regulating valve. Domestic water can also be used to replenish the grey water tank. A demand amount of grey water is pumped from the storage tank to at least one toilet tank. The system is controlled by a controller using pressure sensors and temperature sensors. The invention may include a solar heating circuit coupled to a domestic water heater. In one example of the invention, the system stores grey water in a bathtub and supplies it to toilet tank.

The invention belongs to the power equipment manufacturing field and specifically discloses a power distribution cabinet cooling method. The power distribution cabinet cooling method comprises the following steps of: Step 1, a micro controller controls an electromagnetic valve on a drainage water pipe to be switched off; Step 2, the micro controller controls the electromagnetic valve on the drainage water pipe to be switched on, and after a rainwater tank is filled with water, the water flows into a water receiving pipeline from the drainage water pipe and enters a water storage tank so as tobe stored; Step 3, the micro controller controls a fan to operate when the temperature in the cabinet body rises to 35 DEG C, and the micro controller controls the fan to stop running when the temperature of a temperature sensor is lower than 35 DEG C; Step 4, when the temperature in the cabinet body rises to 40 DEG C, an expansion airbag is expanded; Step 5, after the expansion airbag expands, the bottom end of a cotton rope penetrates deeply into a cotton rope hole so as to be in contact with the water in the water storage tank, and then the water is absorbed by the cotton rope and diffusesto a sponge layer. In the invention, by storing the rainwater, in combination with the control of the fan inside the power distribution cabinet and the utilization of the rainwater by an outer shell of the power distribution cabinet, dual cooling of the power distribution cabinet is achieved.

The invention discloses a rock slope greening construction method, and relates to the technical field of slope protection. The method comprises the following steps: (1) cleaning a slope surface; (2) setting an anchor rod; (3) forming a planting cavity and an installation planting cylinder; (4) constructing a lower reinforcing layer; (5) constructing an upper reinforcing layer; (6) arranging a rainwater tank; (7) laying a plant fiber blanket, and (8) maintaining at proper time and completing greening. The full-slope greening is good in visual effect and good in slope protection effect.

The cascade water blocking and water storage system used for municipal rainwater pipe network includes water blocking system and water storage system. The water storage system includes a reservoir, which is composed of a water blocking device and a rainwater culvert or a pipe network. The water blocking facility is equipped with an opening and closing mechanism for opening or closing the gate, and is equipped with a water level sensor, a flow rate sensor and a gate. The position sensor is used to measure and obtain signals such as water level, water level rising speed, water flow speed and valve position. On the basis of retaining the functions of the original municipal culverts and pipe network to discharge rainwater, this system has newly set up water blocking, water regulation and storage facilities, and is equipped with an intelligent control system to realize cascade automatic regulation and storage of rainwater in municipal facilities without the need for new storage. Larger cost investments such as pools and rainwater tanks have also unearthed new functions of municipal rainwater facilities, giving full play to the implementation value of existing urban infrastructure, and accelerating the construction and realization of sponge cities.

The ecological domestic garbage landfill reactor includes the first stainless steel frame with reactor, micro computerized time controller, aeration pump, glass rotor flow meter and precise peristaltic pump; the second stainless steel frame with exhaust liquid collecting bottle and gas collecting bottle; percolate regulating water tank, percolate collecting tank and simulating rainwater tank below the first frame. The micro computerized time controller is connected with the aeration pump, the glass rotor flow meter, the percolate regulating water tank, the precise peristaltic pump and the reactor; the percolate regulating water tank is connected to the reactor, percolate collecting tank and the imulating rainwater tank; and the reactor is connected to the sampling battle, the exhaust liquid collecting bottle, the gas collecting bottle and the control valve. The present invention can realize laminated sampling and instantaneous gas sampling in simple operation and high volumetric measurement precision.

The invention discloses a rural water-saving and odorless ecological toilet for separation and collection of faeces and urine. The rural water-saving and odorless ecological toilet for separation and collection of the faeces and urine comprises a faeces pool and a tank body, wherein a bottom plate is arranged in the tank body, and the tank body is divided into an upper part and a lower part through the bottom plate; a toilet bowl is arranged at the upper part of the interior of the tank body, and the faeces pool is arranged below the outside of the tank body; the toilet bowl is communicated with the faeces pool, and the faeces pool is also connected with a dry faeces chamber; the dry faeces chamber is internally provided with a drying device, and the faeces pool is internally provided with a faeces processing device; a rainwater box and a control device are arranged on the top of the outer surface of the tank body, and a solar battery panel is arranged on the control device. Since a bio-fermentation chamber, a liquid fertilizer pool and a dry faeces pool are connected with the faeces pool, every time a toilet user finishes an excrement, separation of the faeces and the urine is conducted firstly, then the faeces in the faces pool is subjected to bio-degradation and temperature-raising dehydration, and solid faeces are processed into faeces blocks or granules which are then stored in the dry faeces pool for weathering and drying; the emitting amount of odor of the faeces after dehydration is greatly reduced, so that the surrounding environment is protected.

An integrated domestic utility system is used to recycle grey water in a domestic house as a means to divert treated potable water away from non-potable uses, and in particular, toilet flushing. The system comprises a rainwater tank for storing rainwater collected from a roof top and a grey water tank to store grey water collected from a shower or bathtub. The rainwater is used to augment the grey water supply through a self regulating valve. Domestic water can also be used to replenish the grey water tank. A demand amount of grey water is pumped from the storage tank to at least one toilet tank. The system is controlled by a controller using pressure sensors and temperature sensors. The invention may include a solar heating circuit coupled to a domestic water heater. In one example of the invention, the system stores grey water in a bathtub and supplies it to toilet tank.

The invention provides an externally-hung type underground comprehensive pipe rack which comprises a pipe rack body. The externally-hung type underground comprehensive pipe rack is characterized in that a fuel gas pipe ditch or / and a rainwater box culvert and the pipe rack body are overlapped to form a whole; the fuel gas pipe ditch or / and the rainwater box culvert is / are arranged at the upper portion of the pipe rack body; and at the positions, wherein a lifting opening and a ventilation opening are formed, in the pipe rack body, the fuel gas pipe ditch or / and the rainwater box culvert is / are arranged on the side face of the lifting opening and the side face of the ventilation opening in a local externally-hung manner. Rainwater and a fuel gas pipeline can be effectively and integrally contained into the comprehensive pipe rack, safety operation of an underground pipeline is ensured, and the purpose that underground space resources are reasonably developed and are economical and effective is achieved.

The invention discloses an intelligent water-saving garden irrigation device which comprises a sliding support, a base, a controller, a humidity sensor, a bottom plate, a box, a filter and a rainwatertank. Universal wheels convenient for moving are fixedly mounted at the bottom of the bottom plate, a hydraulic cylinder is fixedly mounted on each of left and right sides of the bottom plate, an extensible rod is arranged at the bottom of each hydraulic cylinder, a positioning cone is mounted at the bottom of the extensible rod of each hydraulic cylinder, a humidity sensor is fixedly mounted oneach positioning cone, the box is fixedly mounted at the top of the bottom plate, a second motor is fixedly mounted on the left-side outer wall of the box, a support is fixedly mounted at a position,close to the left side, of the top of the box, the rainwater tank is fixedly mounted at the top of the bottom, and the filter is fixedly mounted at the bottom of the rainwater tank. The intelligent water-saving garden irrigation device is simple in structure, convenient in use, high in flexibility, convenient to move, capable of realizing intelligent irrigation of trees to prevent root rotting caused by excessive watering and well filtering rainwater, water-saving and worthy of popularization and use.

A rainwater cleaning system for a water tank comprises a pipe member having a closed end located on the floor of the tank. The pipe member also has an open end connectable to an outflow from the tank. Located near the closed end of the pipe member is at least one hole. The surface area of the hole preferably equals the surface area of the outflow.

A rainwater cleaning system for a water tank comprises a pipe element having a closed end located on the floor of the tank. The pipe element also has an open end connectable to an outflow pipe from the tank. Located near the closed end of the pipe element is at least one hole. The cross sectional area of the hole preferably at least equals the cross sectional area of the pipe outflow.

The invention discloses a rainwater drainage system in a factory. The rainwater drainage system comprises a rainwater pump body, a rainwater pump motor and a rainwater tank, wherein the rainwater pump body, the rainwater pump motor and the rainwater tank are connected. The rainwater pump body is connected with a water outlet pipe through a switching valve, the water outlet pipe is connected with a water drainage pipeline, the switching valve is supported by a lower supporting face through a support, and the water outlet pipe is higher than a water outlet of the rainwater pump body and the water drainage pipeline. The rainwater tank is connected with an outer rainwater inflowing pipeline, the rainwater pump body is connected with the water outlet end of a water sucking pipe, and the water inlet end of the water sucking pipe is arranged on the lower portion of the rainwater tank and connected with a fixing support. The fixing support is supported by the lower ground surface, and a lead wire net is arranged on the periphery of the fixing support. The rainwater tank at the water inlet side is internally provided with a separation grid for separating large impurities such as suspended matter out. The rainwater drainage system in the factory is small in occupied area, capable of saving pump house civil engineering investment, convenient to install, maintain and overhaul, capable of reducing rainwater pump house civil engineering and equipment investment and capable of lowering the maintenance difficulty level of a rainwater pump.

The invention discloses an intelligent vertical greening plant wall used for a building exterior wall. The plant wall comprises a concrete wall face and an irrigation system. Planting troughs are formed in the concrete wall face. Planting frames are arranged in the planting troughs. An electric cylinder is connected to the back sides of the planting frames, and is mounted in the concrete wall face. The irrigation system comprises a rainwater tank, mesh plates, water pipes and an electric control box. The rainwater tank is connected with the water pipes. The water pipes penetrate through the electric control box. The other ends of the water pipes are connected in the planting troughs. The mesh plates are arranged in the planting troughs, and the water pipes match the mesh plates. Three-way solenoid valves are arranged on the water pipes. A control assembly is arranged in the electric control box, and is connected with the three-way solenoid valves. The intelligent vertical greening plant wall is provided aiming at the defects of prior arts. An intelligent control structure is added in vertical greening. The intelligent control structure mainly comprises the electric control box. Remote-controlled watering is carried out with the electric control box, such that cultivation is simplified; an ideal growth environment is provided for vegetation; and a survival rate is substantially improved. Also, rainwater is collected by the rainwater tank, and is supplied for the vegetation, such that the plant wall is energy-saving and environmentally friendly.

Module (10) for a platform comprises a body (12) having at least one side (14A) for adjoining a side of another module. At least two spaced dovetailed shaped lugs (16A, 16B, 16C) are located at the side (14A) to define a shaped region (18) so that a corresponding lug on another module can be positioned in the region. The module has a central region (28) with a plurality of apertures (30) arranged in a honeycomb pattern. A cover strip can be applied to periphery sides of the platform to improve both the aesthetics and safety. A method of loading goods on a platform is disclosed, and a module with loaded goods can be detached from the platform. The module is produced by plastics injection moulding and recycled plastic such as polyethylene can be employed. A plurality of modules can create a platform, pallet, flooring, formwork or a rainwater tank stand.

The invention relates to the technical field of agricultural equipment, and discloses an energy-saving and environment-friendly irrigation device. The device comprises a rainwater tank, the top of therainwater tank is fixedly connected with the bottom of a first supporting rod, the top of the first supporting rod is fixedly connected with the bottom of a first solar panel, one side of the first supporting rod is fixedly connected with one side of a converter, the top of the rainwater tank is fixedly connected with the bottom of a second supporting rod, the second supporting rod is located onthe right side of the first supporting rod, and the front side of the second supporting rod is fixedly connected with the back side of a controller. According to the energy-saving and environment-friendly irrigation device, the first supporting rod fixedly connected with the top of the rainwater tank and the first solar panel fixedly connected with the top of the first supporting rod are matched with a wind driven generator fixedly connected with the top of the second supporting plate and a second solar panel fixedly connected with the top of a third supporting rod, energy sources such as solar energy, wind energy and rainwater in the nature are fully utilized, and the requirements for energy conservation and emission reduction are met.

The invention provides a municipal garden filter drainage device, which belongs to the field of municipal devices. It includes a rainwater inlet tank (5), a brush plate (8), a rainwater filter miscellaneous box (9), a stirring device (11) and a rainwater filtering device (17); the lower end of the stirring device (11) passes through the first bearing (19) Fixedly installed on the motor (13), the upper end is arranged above the partition (18); the rainwater filtering device (17) is welded above the two connecting rods (10); the rainwater filtering miscellaneous box (9 ) is welded on the outside of the treatment box (15); the rainwater inlet tank (5) is welded in the center of the cover plate (3); the brush plate (8) is welded on the lower end of the cleaning rod (7). The device of the invention has reasonable design and is convenient to use. The rainwater filtering device filters large sundries, and the stirring device pulverizes small sundries to discharge rainwater, thereby realizing rapid drainage.

An outdoor courtyard rainwater resource recycling integrated system and a rainwater purification method are disclosed. Rainwater on a roof is collected through a roof rainwater pipe, initial rainwateris shunted through a flow abandoning device and then enters a rainwater tank, and roof rainwater collection is achieved; ground rainwater is collected to a rainwater wetland through a permeable concrete pavement, a permeable driving surface, a rainwater wetland and greenbelt, and ground rainwater collection is achieved. After rainwater is collected, the rainwater is subjected to sewage interception, filtration and permeation through a groove type volcanic detention pond of the rainwater wetland, and enters a sedimentation pond through a perforated collection pipe to be settled, so that further purification treatment is realized; after being treated by the sedimentation pond, the rainwater enters a PP water storage module tank through the flow guide pipe to be stored and lifted through a clear water pump and a sewage pump, clear water and sewage are separated, the sewage is discharged through the sewage pump, the clear water passes through a water supply pipe to a purification all-in-one machine for further purification, addition of rainwater purifying agents for purification is not needed, and rainwater recycling, water saving, energy saving and environmental protection are achieved.

The invention discloses a protective outdoor electrical cabinet which comprises a cabinet body and a cabinet door, wherein the cabinet door is rotatably mounted on a front side of the cabinet body bya hinge shaft; a rainwater tank is arranged above the cabinet body; a top surface of the rainwater tank is an opening structure; the top surface of the rainwater tank is inclined downward from front to back; and a filter mesh is arranged at a top opening of the rainwater tank. The protective outdoor electrical cabinet can greatly prevent rainwater and keep devices in the cabinet body dry when overhauling the electrical cabinet in rainy days by opening and closing a rainproof structure and arranging a rainproof eave so as to improve safety, can collect the rainwater in rainy days and control anelectrically controlled three-way valve to cool the interior of the cabinet body with the accumulated rainwater via a controller by arranging the rainwater tank so as to save energy, greatly avoids damage to the electrical cabinet caused by violent opening and ensures the safety of the devices in the cabinet body by arranging a vandalism lock and a limiting column.

The invention discloses a roof rainwater collector, relating to the field of rainwater utilization. Roof rainwater naturally flows into a rainwater case arranged on the ground through a rainwater collection groove, a rainwater hopper and a vertical pipe arranged on an eave wall, wherein the rainwater collection groove and the rainwater hopper are arranged under an eave, and the roof rainwater is stored for later use at any time. The invention solves the problems of rainwater is dirty and not convenient to take, and the like of the arid regions in the west of China where the rainwater is stored in cellars, and can be used as the practical water-saving technology in the countryside for popularization and application.

The invention provides an automatic cleaning device in a solar condensation system, and belongs to the technical field of solar energy utilization. The device solves the technical problem that an existing solar condensation system is not provided with the automatic cleaning device and accordingly the photo-thermal conversion efficiency is low. According to the automatic cleaning device in the solar condensation system, the solar condensation system comprises a glass room, glass plates are arranged on the upper portion of the glass room and are in an inverted V shape, rainwater tanks used for collecting rainwater are fixedly arranged at the lower positions of the two ends of each glass plate, and water outlet holes are formed in the two ends of each rainwater tank. The automatic cleaning device comprises an inverted V-shaped movable frame, a cleaning agent box capable of storing a solid-state cleaning agent is fixedly arranged in the middle of the movable frame, and a water pump is fixedly arranged in the cleaning agent box. The automatic cleaning device has the advantages of having an automatic cleaning function and being high in photo-thermal conversion efficiency.

The invention provides a rainwater collection system. The rainwater collection system comprises an initial rainwater tank used for storing initial rainwater, a non-initial rainwater tank used for delaying discharging or reusing non-initial rainwater after storing the non-initial rainwater, a rainwater collection pipe used for collecting the initial rainwater and the non-initial rainwater and an intake canal communicated with the rainwater collection pipe and used for making the initial rainwater collected by the rainwater collection pipe flow into the initial rainwater tank and making the non-initial rainwater collected by the rainwater collection pipe flow into the intake canal after the collection of the initial rainwater is completed. According to the rainwater collection system, it canbe avoided that instantaneous rainwater generates impact load on a rainwater net tube or a sewage net tube, quantitative closure and separation can be efficiently conducted on the rainwater, proper recycle can be conducted on the rainwater according to different conditions, and the implement cost is lower.

The invention discloses a rainwater separating, regulating and storing system which comprises an initial rainwater tank, a water channel and a regulating and storing tank; a water inlet is arranged on the water channel, a communicating port is reserved between the initial rainwater tank and the water channel, and the initial rainwater tank and the water channel are communicated through the communicating port; the water channel is connected with the regulating and storing tank through a water inlet of the regulating and storing tank which is arranged between the water channel and the regulating and storing tank regulating and storing tank; and a drainage device is arranged in the initial rainwater tank. The rainwater separating, regulating and storing system has fine effect in separation of initial rainwater and can regulate and store later period of rainwater without manual, mechanical or electrical control, and is suitable for the separation of initial rainwater of rain sewage in rain water and sewage pipe network in urban and has no requirement of maintenance.

Provided is a household separate rainwater collecting and processing device for drought regions. The device comprises a roof rainwater gully, a water drainage pipe, a roof initial rainwater collection case, a ground rainwater collection port, a ground rainwater collection pipe, a ground initial rainwater collection tank, a clean rainwater collection tank, a coagulative precipitation tank and a filter tank, wherein the roof rainwater gully is arranged at the eave of the roof; the roof initial rainwater collection case, the coagulative precipitation tank and the filter tank are all arranged on the ground; the ground initial rainwater collection tank and the clean rainwater collection tank are arranged underground; and the upper end of the ground initial rainwater collection tank and the upper end of the clean rainwater collection tank upwards protrude out of the ground. The invention further discloses a rainwater collecting and processing method with the household separate rainwater collecting and processing device adopted. The household separate rainwater collecting and processing device and method achieve separation of initial rainwater which is polluted severely in the initial period from clean rainwater in the middle and later periods, the initial rainwater with high pollutant content is sealed in the initial rainwater tank for environment-friendly irrigation, road sprinkling and other purposes; and after the clean rainwater in the middle and later periods is further intensified, the clean rainwater is made into drinking water.

The invention relates to an underground utility tunnel structure, in particular to an underground utility tunnel structure with the rainwater and sewage inflow function. The underground utility tunnelstructure comprises a cable tank, a water supply tank, a gas tank, a communication tank, a rainwater tank, a sewage tank, a water storage tank, a sewage preliminary purification tank, manholes, a drainage communication system, a control water pipe, a water guide pipe and a water filter pipe, wherein the cable tank, the water supply tank, the gas tank and the communication tank are located at theupper-layer part of the underground utility tunnel structure with the rainwater and sewage inflow function, and the sewage tank and the rainwater tank are located on the two sides of the lower-layer part of the underground utility tunnel structure. According to the underground utility tunnel structure, the rainwater tank and the sewage tank are arranged in a utility tunnel, in addition, the waterstorage tank and the sewage primary purification tank are additionally arranged in consideration of the functions of water storage and water purification, so that a closed water collection, treatmentand storage integrated system is formed, and the manholes are formed in the utility tunnel, so that the problem that rainwater and sewage pipes are difficult to overhaul and inspect can be solved; andthe utility tunnel achieves the functions of regulation, storage and purification of a water body, and the function of a sponge city can be conveniently achieved.

The invention belongs to the technical field of power generating equipment, particularly relates to a solar automatic-detection water-saving photovoltaic cleaning device which is used for automatically cleaning photovoltaic panels. The cleaning device comprises a supporting frame, a cleaning and brushing mechanism and a rainwater tank, wherein a photovoltaic panel is fixedly mounted on the supporting frame; the cleaning and brushing mechanism is connected with the rainwater tank through a water outlet pipe, and is mounted on the photovoltaic panel, a photovoltaic electricity supply panel for supplying electricity for the cleaning and brushing mechanism is arranged on the surface of the cleaning and brushing mechanism, and an accumulator is mounted on the side surface of the cleaning and brushing mechanism; and the photovoltaic electricity supply panel generates electricity and stores the generated electricity through the accumulator, and the accumulator stores the electricity and supplies the electricity for the cleaning and brushing mechanism so that the cleaning and brushing mechanism automatically moves along the photovoltaic panel to clean the photovoltaic panel. The cleaning device disclosed by the invention has the beneficial effects of being simple in structure and convenient to mount and operate; the photovoltaic electricity supply panel is used for generating electricity and storing the generated electricity through the accumulator, so that the cleaning and brushing mechanism can operate through an electric source provided by the accumulator, and the cleaning device can automatically move along the photovoltaic panel and clean the photovoltaic panel; and the rainwater tank is used for supplying water for the cleaning and brushing mechanism, so that resources are sufficient to utilize, and the cost is reduced.

The invention relates to a deep tunnel technology, in particular to an anti-seepage anti-corrosion durability confluence storage-adjusting-type deep tunnel. The outermost layer of a tank body of a bilge water tank is provided with a first waterproof anti-corrosion layer outside the bilge water tank. The inner side of the first waterproof anti-corrosion layer outside the bilge water tank is provided with a second waterproof anti-corrosion layer outside the bilge water tank. An ethylene-propylene-diene-terpolymer rubber waterproof rolling material is adopted preferentially. Epoxy resin is sprayed on the exteriors of pipe pieces to form a third waterproof anti-corrosion layer of the bilge water tank. The concrete seepage resistance grade is equal to or greater than P12, and a fourth waterproof anti-corrosion layer of the bilge water tank is formed. Epoxy resin is sprayed in the tank body to form a fifth waterproof anti-corrosion layer. The innermost layer of the bilge water tank is provided with a sixth waterproof anti-corrosion layer of the bilge water tank. The anti-seepage anti-corrosion durability confluence storage-adjusting-type deep tunnel has the advantages that the bilge water tank and a rainwater tank can be used to directly store and transport sewage and rainwater, the fact that a small sewage pipeline is laid is avoided, not only is the cost reduced, but also the deep tunnel is used fully. In addition, according to the anti-seepage anti-corrosion durability confluence storage-adjusting-type deep tunnel, the waterproof property, seepage resistance, anti-corrosion property and abrasion resistant property are excellent, the deep tunnel can be used more than 100 years, and the real energy saving and environmental protection is achieved.

A processing system for courtyard ground rainwater collection in an arid region comprises a ground rainwater collection port, a ground rainwater collection pipe, a ground primary rainwater collection tank, a clean rainwater collection tank, a coagulative precipitation tank and a filtration tank, wherein the coagulative precipitation tank and a filtration tank are arranged on the ground; the ground primary rainwater collection tank and the clean rainwater collection tank are arranged under the ground; and the upper ends of the ground primary rainwater collection tank and the clean rainwater collection tank are upwardly protruded from the ground. Primary severely-polluted rainwater and middle-later clean rainwater can be separated; primary rainwater with great pollutant contents can be sealed in the primary rainwater tank and used for irrigating green plants and spraying roads; and the middle-later rainwater can be further processed and manufactured into drinking water.

The invention provides an intensive comprehensive pipe gallery. The intensive comprehensive pipe gallery comprises a pipe gallery body used for containing pipelines and a rainwater box culvert arranged outside the pipe gallery body. The rainwater box culvert is arranged on the outer side wall of the pipe gallery body in a suspended manner. The pipe gallery body is arranged to contain power cables,communication cables, water feed pipelines and other pipelines, and the problems that at present, pipelines in old cities adopt the direct burying manner and the overhead manner, aerial spider webs are caused, the occupied underground space is large, and pipelines are hard to maintain when pipelines break down are solved; the rainwater box culvert is arranged on the outer side wall of the pipe gallery box in a lateral suspended manner, the rainwater drainage problem can be solved, and rain and sewage division is achieved; and the comprehensive pipe gallery is especially suitable for old cities, and residents in old cities can share convenience of the city life.