CN112408677A - Rainwater and sewage purification treatment regulation and storage system and construction method thereof - Google Patents
Rainwater and sewage purification treatment regulation and storage system and construction method thereof Download PDFInfo
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- CN112408677A CN112408677A CN202011396448.1A CN202011396448A CN112408677A CN 112408677 A CN112408677 A CN 112408677A CN 202011396448 A CN202011396448 A CN 202011396448A CN 112408677 A CN112408677 A CN 112408677A
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- 238000000746 purification Methods 0.000 title claims abstract description 79
- 239000010865 sewage Substances 0.000 title claims abstract description 62
- 238000010276 construction Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 178
- 238000011001 backwashing Methods 0.000 claims abstract description 44
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims description 83
- 238000001179 sorption measurement Methods 0.000 claims description 56
- 239000000945 filler Substances 0.000 claims description 26
- 238000012856 packing Methods 0.000 claims description 22
- 238000004659 sterilization and disinfection Methods 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 abstract description 5
- 238000005192 partition Methods 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/06—Gully gratings
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/02—Shut-off devices
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/004—Seals, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/42—Liquid level
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/10—Dividing the first rain flush out of the stormwater flow
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/20—Measuring flow in sewer systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The invention discloses a rainwater and sewage purification treatment storage system and a construction method thereof. The rainwater outlet of the invention is controlled by two gates in a linkage way, so that initial rainwater enters a receiving water body or a sewage treatment plant through a rainwater or sewage pipeline; the filtering system adopts multi-stage filtering to further filter out solid matters in the water body; according to the invention, through the arrangement of the layered partitions of the vertical gate of the water distribution gallery, when one layer area is blocked, the other layer area is reserved; the variable frequency pump provides back washing at different heights through water in the storage tank.
Description
Technical Field
The invention belongs to the technical field of rain sewage purification, and particularly relates to a rain sewage purification treatment storage system and a construction method thereof.
Background
Along with the acceleration of the urbanization process, the hardened area of the ground is gradually increased, so that rainwater cannot be timely discharged, and urban waterlogging is frequent; although rivers and lakes are numerous in China, the total amount of water resources is the fourth world, and because of the large population, the per-capita water resource amount is only listed in the 121 th world, which is about 1/4 of the water occupied by the per-capita in the world, and is one of the 13 world countries with the most poor per-capita water resource.
The contradiction between rainwater resources and water resources is gradually prominent, rainwater and sewage are directly discharged through urban municipal pipe networks, so that the pressure of urban drainage load is increased, and the rainwater resources are wasted; in the construction of a sponge city, the rainwater is not deeply purified in the existing rainwater regulation and storage pool, and the rainwater is not subjected to shunting treatment, replaceable recycling during purification, multistage linkage during accident treatment of rainwater and the like.
Disclosure of Invention
The invention provides a rainwater sewage purification treatment and regulation system and a construction method thereof, which are used for solving the technical problems of rainwater sewage diversion, rainwater purification treatment and regulation, backwashing of rainwater purification treatment, layered treatment of rainwater distribution pipe gallery blockage and the like
In order to achieve the purpose, the invention adopts the following technical scheme:
a rainwater sewage purification treatment storage system comprises a rainwater inlet, a rainwater well connected below the rainwater inlet, a first gate connected between the rainwater inlet and the rainwater well, a second gate connected to one side of the rainwater inlet, a rainwater channel connected to the downstream of the second gate, a water distribution pipe gallery connected to the downstream of the rainwater channel, a purification treatment chamber connected to the downstream of the water distribution pipe gallery, a primary filter detachably connected to the inside of the purification treatment chamber and corresponding to the downstream port of the water distribution pipe gallery, a secondary filter detachably connected to the inside of the purification treatment chamber and positioned below the primary filter, an adsorption filler area connected to the inside of the purification treatment chamber and positioned below the secondary filter, a pump room connected to one side of the outside of the purification treatment chamber, a water pump and a frequency conversion pump connected in the pump room, a storage tank connected to one side of the pump room, a water pump water suction pipeline at one end of the water pump is connected below the adsorption filler area, and a water, A variable-frequency pump water-pumping pipeline at one end of the variable-frequency pump is connected below the adsorption packing area, a variable-frequency pump water-pumping pipeline at the other end of the variable-frequency pump is connected below the storage tank, and a water-proof baffle and an ultraviolet light water body disinfection reactor are connected inside the storage tank;
a third gate and a sixth gate are connected between the water distribution gallery and the primary filter, the water distribution gallery is divided into parallel layer blocks by the sixth gate along the water flow direction of the water distribution gallery, the third gate is perpendicular to the sixth gate and is arranged along the cross section direction of the water distribution gallery, and the third gates between layers are independently controlled; the layers corresponding to the water distribution galleries are also arranged in layers on the first-stage filter, and the inner side and the outer side of each layer are connected with a liquid level difference meter;
the outer side wall of the purification treatment chamber, which is opposite to one side of the pump room, is connected with a first backwashing water delivery gallery, the first backwashing water delivery gallery is positioned in the area above the secondary filter, the downstream of the first backwashing water delivery gallery is connected with a first sewage pipeline, and a fourth gate is connected between the first backwashing water delivery gallery and the first sewage pipeline;
the outer side wall of the purification treatment chamber, which is opposite to one side of the pump room, is connected with a second backwashing water delivery gallery, the second backwashing water delivery gallery is positioned in the area above the adsorption packing area, the downstream of the second backwashing water delivery gallery is connected with a second sewage pipeline, and a fifth gate is connected between the second backwashing water delivery gallery and the second sewage pipeline;
a first liquid level meter is connected to the secondary filter in the purification treatment chamber, and a second liquid level meter is connected to the lower part of the adsorption packing area; the bottom of the regulating and storing tank is provided with a third liquid level meter, the bottom of the purification treatment chamber is arranged in a slope, and the slope surface faces one side of the pump station.
Furthermore, the primary filter is fully arranged on the whole cross section of the water distribution gallery and can be detached and arranged correspondingly to the water distribution gallery in a layered mode, and the primary filter is a net-shaped baffle plate and the aperture of the primary filter is smaller than 20 mm.
Furthermore, the secondary filter can be disassembled on a frame formed by the lower cross beam and the longitudinal beam and is fully arranged in the horizontal direction of the purification treatment chamber, the secondary filter comprises three layers, the first layer and the third layer are made of wire meshes with the aperture of 10-15mm, the second layer is made of pebbles with the particle size of 30-50mm, and the three layers are integrally manufactured;
the adsorption filler zone can be disassembled from a frame formed by the lower cross beam and the longitudinal beam and is fully arranged in the horizontal direction of the purification treatment chamber, the adsorption filler zone comprises three layers, the upper layer is formed by wire netting with the diameter of 10-15mm, the middle layer is ceramsite or other adsorption filler with the diameter of 5-10mm, the thickness of the middle layer is 10-15cm, the lower layer is wire netting with the diameter of 3-5mm, and the three layers are integrally manufactured.
Furthermore, a first manhole and a first ladder stand are arranged at the top of one side of the purification treatment chamber, a second ladder stand and a second manhole are arranged at the top of one side of the pump room, and a third manhole and a third ladder stand are arranged at the top of one side of the storage tank; and vent pipes are arranged at the tops of the purification treatment chamber and the storage regulation tank.
Furthermore, a first gate and a second gate at the rainwater outlet are connected in parallel and are remotely controlled through a time relay, and a flowmeter is connected to the first gate; the third gate, the corresponding sixth gate and the liquid level difference meter in each layer in the water distribution gallery are connected in parallel for comprehensive remote control; and the fourth gate, the fifth gate, the variable frequency pump, the first liquid level meter and the second liquid level meter are connected in parallel to realize comprehensive remote control.
Furthermore, the rainwater grates are installed on the rainwater openings, the rainwater openings are connected through a rainwater pipeline, and a switch valve is arranged on the rainwater pipeline; all water distribution pipe galleries are connected through a connecting pipe, and a switch valve is arranged on the connecting pipe.
Further, the rain sewage purification treatment storage system and the construction method thereof are characterized by comprising the following specific steps:
in the early stage of rainfall, a first gate is opened, a second gate is closed, a flowmeter in a rainwater port sends a signal to a time relay after detecting the flow, the time relay starts timing, and when the specified time is reached by timing, the first gate is gradually closed and the second gate is gradually opened; if the value detected by the flowmeter is smaller than the specified value in the timing process, the time relay stops timing; wherein the catch basin at the lower part of the gully is connected with a sewage pipeline;
step two, after the first gate is closed, rainwater enters the rainwater channel through the second gate, and after the rainwater channel is transported, the rainwater enters the water distribution gallery, and a sixth gate, a third gate and a corresponding primary filter are arranged in the rainwater gallery;
step three, the rainwater enters the initial stage of the rainwater gallery, the sixth gate is in a closed state, the third gate is in an open state, the rainwater enters the primary filter of the purification treatment chamber through the third gate for filtering, the filtered rainwater enters the purification treatment chamber, and the fourth gate and the fifth gate are in a closed state; after entering the purification treatment chamber, the rainwater is firstly filtered by the secondary filter and then purified by the adsorption of the adsorption filler area, and the purified rainwater enters the reservoir by the lifting of the water pump;
step four, when the measured liquid level of the second liquid level meter reaches a specified liquid level, controlling the opening of the water pump, after the water pump is lifted, firstly dissipating energy through a water-proof baffle plate and then entering a water storage tank, wherein a third liquid level meter is arranged in the water storage tank;
step five, when the liquid level measured by the second liquid level meter is lower than the designated liquid level, controlling the water pump to be closed; when the liquid level measured by the first liquid level meter reaches or exceeds the designed liquid level, the blockage of at least one of the secondary filter or the adsorption filler area is proved, at the moment, the first gate is gradually opened, and the third gate is gradually closed;
step six, then gradually opening a fourth gate and a fifth gate, opening a variable frequency pump, and allowing the rainwater blocked by backwashing to enter rainwater or municipal sewage pipelines after passing through a first backwashing corridor, a first sewage pipeline, a second backwashing corridor and a second sewage pipeline until the blockage is dredged; then first gate is closed gradually, and the second gate is opened gradually, carries out the purification treatment and the regulation overall process of rainwater once more.
Furthermore, in the second step, 1-3 sixth gates and 2-4 third gates are arranged in the rainwater gallery, and 2-4 primary filters are arranged corresponding to the third gates; at the initial stage when rainfall enters the rainwater gallery, the sixth gate at the outermost layer is in a closed state, the third gate at the outermost layer is in an open state, and rainwater enters the primary filter through the third gate to be filtered; when the liquid level difference measured by the liquid level difference meter on the primary filter reaches a specified value, the primary filter is proved to be blocked, at the moment, the sixth gate at the outermost layer is gradually opened, the third gate corresponding to the inner layer is gradually closed, and the subsequent flow is the same as before.
Furthermore, in the fifth step, a certain difference value is designed between the highest designated liquid level detected by the third liquid level meter and the highest liquid level capable of being accommodated in the reservoir, and the difference value is the rainfall amount of the processing unit between the second gate and the water pump equipment after the first gate is opened and the second gate is closed.
Further, in the sixth step, during backwashing, the water pump is closed, the variable frequency pump is opened, the low-frequency conveying water is firstly used for washing the adsorption packing area, at the moment, the fifth gate is in an open state, after the backwashing is carried out for a specified time, the variable frequency pump is changed into a high-frequency mode, at the moment, the fifth gate is in a closed state, the fourth gate is in an open state, after the backwashing is carried out for the specified time, the dredging is carried out until all the inspection and acceptance are qualified, and the variable frequency pump and the fourth gate are closed.
The invention has the beneficial effects that:
1) the rainwater outlet of the invention is controlled by two gates in a linkage way, so that initial rainwater enters a receiving water body or a sewage treatment plant through a rainwater or sewage pipeline; the filtering system adopts multistage filtering, and the first-stage filter adopts wire mesh filtering to filter out solid matters with large particle size in the water body; the secondary filter consists of pebbles with larger grain sizes and wire netting, and further filters solid matters in the water body, so that the solid matters with larger grain sizes are prevented from entering the adsorption packing layer to influence the adsorption of the adsorption packing layer and the cleaning work in the later period; the adsorption system is composed of a wire mesh and an adsorption filler layer, the wire mesh is used as a supporting tool, the adsorption filler layer is arranged above the wire mesh, and the adsorption filler layer is composed of porous ceramsite or other adsorption fillers.
2) According to the invention, through the arrangement of the layered partitions of the vertical gate of the water distribution gallery, when one layer area is blocked, the other layer area is reserved; the opening and closing of the gate are controlled in a combined manner through the liquid level difference arranged on the primary filter;
3) according to the invention, through the arrangement of the first liquid level meter, the second liquid level meter, the first backwashing water delivery gallery, the second backwashing water delivery gallery and the variable frequency pump, backwashing can be carried out when the second filter and the adsorption filler region are blocked, wherein the variable frequency pump provides backwashing at different heights through water in the regulating and storing pool;
according to the invention, the filtering device and the adsorption device are added to reduce pollutants in rainwater, and the filtering system and the adsorption system can be reused after being washed, so that the phenomenon that the pollutant removal capacity is greatly reduced after the filtering and adsorption reach saturation is avoided. In addition, the gates are remotely controlled, and automatic management can be performed; the slope arrangement at the bottom of the purification treatment chamber is also beneficial to pumping and conveying of the water pump; the baffle in the storage tank is favorable for further eliminating the potential energy of water flow, and the ultraviolet water body disinfection reactor can further treat the water body; additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention; the primary objects and other advantages of the invention may be realized and attained by the instrumentalities particularly pointed out in the specification.
Drawings
FIG. 1 is a schematic view of the vertical connection of a rainwater sewage purification treatment and storage system;
FIG. 2 is a schematic view of the horizontal connection of the rainwater sewage purification treatment and storage system;
FIG. 3 is a schematic view of a gutter inlet and its connection structure;
FIG. 4 is a schematic view of a water distribution gallery and its connections;
FIG. 5 is a schematic view of the first backwash water delivery gallery and its connection structure;
figure 6 is a schematic view of a first sewage pipe and its connection;
FIG. 7 is a schematic diagram of a two-stage filter configuration;
FIG. 8 is a schematic diagram of the structure of an adsorptive packing zone;
FIG. 9 is a schematic view I of a connection structure of a water pump and a variable frequency pump;
FIG. 10 is a schematic diagram of a connection structure of a water pump and a variable frequency pump.
Reference numerals: 1-a rainwater inlet, 2-a first gate, 3-a second gate, 4-a rainwater channel, 5-a water distribution gallery, 6-a third gate, 7-a primary filter, 8-a first manhole, 9-a first ladder, 10-a first backwash water delivery gallery, 11-a fourth gate, 12-a first sewage pipeline, 13-a second backwash water delivery gallery, 14-a fifth gate, 15-a second sewage pipeline, 16-a secondary filter, 17-a longitudinal beam, 18-a transverse beam, 19-a first liquid level meter, 20-an adsorption packing area, 21-a slope, 22-a rainwater well, 23-a water pump suction pipeline, 24-a second liquid level meter, 25-a variable-frequency pump water delivery pipeline, 26-a second manhole, 27-a second ladder, 28-vent pipe, 29-water pump water pressure pipeline, 30-water pump, 31-variable frequency pump, 32-variable frequency pump water pumping pipeline, 33-third liquid level meter, 34-water-resisting baffle, 35-ultraviolet light water body disinfection reactor, 36-third manhole, 37-third ladder stand, 38-flowmeter, 39-time relay, 40-liquid level difference meter, 41-sixth gate, 42-purification treatment chamber, 43-pump room and 44-storage regulation pool.
Detailed Description
As shown in FIGS. 1 to 10, a rainwater purification and storage system comprises a rainwater inlet 1, a rainwater well 22 connected below the rainwater inlet 1, a first gate 2 connected between the rainwater inlet 1 and the rainwater well 22, a second gate 3 connected to one side of the rainwater inlet 1, a rainwater passage 4 connected to the downstream of the second gate 3, a water distribution pipe gallery connected to the downstream of the rainwater passage 4, a purification treatment chamber 42 connected to the downstream of the water distribution pipe gallery, a primary filter 7 detachably connected to the inside of the purification treatment chamber 42 and corresponding to the downstream port of the water distribution pipe gallery, a secondary filter 16 detachably connected to the inside of the purification treatment chamber 42 and located below the primary filter 7, an adsorption packing area 20 connected to the inside of the purification treatment chamber 42 and located below the secondary filter 16, a pump room 43 connected to one side of the outside of the purification treatment chamber 42, a water pump 30 and a frequency conversion pump 31 connected to the inside of the pump room 43, The regulating and storing tank 44 connected to one side of the pump room 43, the water pump suction pipeline 23 at one end of the water pump 30 are connected below the adsorption packing area 20, the water pump pressure pipeline 29 at the other end is connected above the regulating and storing tank 44, the variable frequency pump pressure pipeline 25 at one end of the variable frequency pump 31 is connected below the adsorption packing area 20, the variable frequency pump suction pipeline 32 at the other end is connected below the regulating and storing tank 44, and the water-stop baffle 34 and the ultraviolet light water body disinfection reactor 35 connected inside the regulating and storing tank 44.
In the embodiment, the top of the rainwater inlet 1 is arranged on the road surface, and the top of the rainwater inlet 1 is connected with a rainwater grate through bolts, so that part of large pollutants can be intercepted by the rainwater grate; the catch basin 22 is used for transporting rain sewage to a sewage pipeline for sewage plant treatment. The rainwater inlets 1 are connected through a rainwater pipeline, and a switch valve is arranged on the rainwater pipeline; all water distribution pipe galleries are connected through a connecting pipe, and a switch valve is arranged on the connecting pipe.
In this embodiment, the top of the purification processing chamber 42 is provided with a first manhole 8 and a first ladder 9, the top of the pump room 43 is provided with a second ladder 27 and a second manhole 26, and the top of the storage tank 44 is provided with a third manhole 36 and a third ladder 37; the top of the decontamination chamber 42 and the reservoir 44 are also provided with a vent tube 28. Wherein the first manhole 8 is used for facilitating the access of the maintenance personnel to the purification treatment chamber 42; the first ladder stand 9 is convenient for the maintainers to enter the purification treatment chamber 42; the second manhole 26 facilitates the access of the maintainer to the pump room 43; the second ladder stand 27 facilitates the access of the maintainer to the pump room 43; the third manhole 36 facilitates the access of maintenance personnel to the storage regulation tank 44; the third ladder 37 facilitates the access of the maintainers to the storage tank 44; the vent pipe 28 communicates the rainwater storage tank 44 with the outside atmosphere, and maintains the air pressure in the storage tank 44 balanced.
In this embodiment, the water stop baffle 34 has an energy dissipation function; the ultraviolet water disinfection reactor 35 has a disinfection function; the liquid level difference meter 40 measures the liquid level difference at the two sides of the primary filter 7; the flow meter 38 detects whether there is flow passing; the time relay 39 is used to record time.
As shown in fig. 3 and 4, the first gate 2 and the second gate 3 at the gully 1 are connected in parallel and are remotely controlled by a time relay 39, and a flow meter 38 is also connected at the first gate 2; in the embodiment of the comprehensive remote control, the third gates 6, the corresponding sixth gates 41 and the liquid level difference meter 40 in each layer in the water distribution gallery 5 are connected in parallel, two third gates 6 and one sixth gate 41 are connected between the water distribution gallery 5 and the primary filter 7, the water distribution gallery 5 is arranged along the water flow direction of the water distribution gallery 5 through the sixth gates 41 and is divided into parallel layer blocks, and the third gates 6 are perpendicular to the sixth gates 41 and are arranged along the cross section direction of the water distribution gallery 5 and the third gates 6 between the layers are independently controlled; the layers corresponding to the water distribution gallery 5 are also arranged in layers in the primary filter 7, and the inner side and the outer side of each layer are connected with a liquid level difference meter 40.
As shown in fig. 5 and 6, the outer side wall of the purification treatment chamber 42 on the side opposite to the pump room 43 is connected with a first backwash water delivery gallery 10, the first backwash water delivery gallery 10 is located in the area above the secondary filter 16 and is correspondingly provided with a detachable filter screen inside the first backwash water delivery gallery 10, the downstream of the first backwash water delivery gallery 10 is connected with a first sewage conduit 12, and a fourth gate 11 is connected between the first backwash water delivery gallery 10 and the first sewage conduit 12.
In this embodiment, the second backwash water delivery gallery 13 has the same structural form as the first backwash water delivery gallery 10, the outer side wall of the purification treatment chamber 42 on the side opposite to the pump room 43 is connected with the second backwash water delivery gallery 13, the second backwash water delivery gallery 13 is located in the area above the adsorption packing area 20 and is correspondingly provided with a detachable filter screen inside the first backwash water delivery gallery 10, the downstream of the second backwash water delivery gallery 13 is connected with the second sewage conduit 15, and a fifth gate 14 is connected between the second backwash water delivery gallery 13 and the second sewage conduit 15.
In this embodiment, the second-stage filter 16 in the purification treatment chamber 42 is connected with the first liquid level meter 19, and the second liquid level meter 24 is connected below the adsorption packing region 20; the bottom of the regulating storage tank 44 is provided with a third liquid level meter 33, the bottom of the purification treatment chamber 42 is provided with a slope 21, and the slope surface faces one side of the pump station; the gradient of the slope 21 is more than 5%, and the slope is not suitable to be too large.
In the embodiment, the fourth gate 11, the fifth gate 14, the variable frequency pump 31, the first liquid level meter 19 and the second liquid level meter 24 are connected in parallel to realize comprehensive remote control. The first liquid level gauge 19 detects the water level above the secondary filter 16 to determine whether the secondary filter 16 is clogged; the second liquid level gauge 24 is installed in front of the water pump 30 and is used for judging the water level of the filtering unit, so as to judge the opening and closing of the water pump 30.
In this embodiment, the first backwash water transport corridor 10 is used for transporting the sewage after the back flush of the secondary filter 16 or the rainwater after the blockage of the secondary filter 16; the first sewage pipeline 12 is used for transferring sewage after the back flushing of the secondary filter 16 or rainwater after the blockage of the secondary filter 16; the second backwashing water-conveying gallery 13 is used for conveying the sewage after backwashing of the adsorption packing area 20 or the rainwater after blockage of the adsorption packing area 20; the second sewage pipeline 15 is used for transferring sewage after the adsorption filler area 20 is back-washed or rainwater after the adsorption filler area 20 is blocked.
In this embodiment, the primary filter 7 is full at the whole cross section of water distribution corridor 5 and corresponds all detachable layered settings in water distribution corridor 5 layering, and the primary filter 7 is netted sideboard and aperture is less than 20mm, comprises the wire netting that the aperture is 20mm for the solid pollutant of interception great particle size.
As shown in fig. 7, the secondary filter 16 is detachable from the frame formed by the lower cross member 18 and the longitudinal member 17 and is provided to fill the purification chamber 42 in the horizontal direction, and includes three layers, the first layer and the third layer are made of wire netting with a pore size of 10 to 15mm, the second layer is made of pebbles with a particle size of 30 to 50mm, and the three layers are integrally formed.
As shown in fig. 8, the adsorption filler zone 20 can be disassembled from the frame formed by the lower cross beam 18 and the longitudinal beam 17 and is fully arranged in the horizontal direction of the purification treatment chamber 42, and comprises three layers, wherein the upper layer is formed by wire netting with the diameter of 10-15mm, the middle layer is ceramsite or other adsorption filler with the diameter of 5-10mm, the thickness of 10-15cm, and the lower layer is formed by wire netting with the diameter of 3-5mm, and the three layers are integrally manufactured; in addition, the adsorption filler zone 20 can be arranged to contain ceramsite or other adsorption filler with the particle size of 5-10mm at the upper layer and a wire mesh with the pore size of 3-5mm at the lower layer, and the arrangement is that the ceramsite or other adsorption filler is attached to the wire mesh, and the ceramsite or other adsorption filler stays on the wire mesh under the action of gravity generated by the high density of the ceramsite or other adsorption filler during backwashing or floats at a height lower than the height of the fifth gate 14.
As shown in fig. 9 and 10, two sets of the water pump 30 and the variable frequency pump 31 are provided, and one set is spare. The water pump 30 delivers the purified water to a reservoir; the variable frequency pump 31 delivers the water in the reservoir to the purification treatment chamber 42 for backwashing; the water suction pipeline 23 of the water pump 30 is arranged at one side of a water suction port of the water pump 30; the water pump pressure water pipeline 29 is arranged at one side of the water outlet of the water pump 30; the water pumping pipeline 32 of the variable frequency pump is arranged on one side of the water suction port of the variable frequency pump 31; the variable-frequency pump water pressure pipeline 25 is arranged on the water outlet side of the variable-frequency pump 31.
With reference to fig. 1 to 10, a construction method of the rainwater and sewage purification treatment and storage system is further described, which comprises the following specific steps:
step one, in the early stage of rainfall, a first gate 2 is opened, a second gate 3 is closed, a flow meter 38 in a rainwater port 1 detects the flow and then sends a signal to a time relay 39, the time relay 39 starts timing, when the specified time is reached, the first gate 2 is gradually closed, and the second gate 3 is gradually opened; if the value detected by the flowmeter 38 is smaller than the specified value in the timing process, the time relay 39 stops timing; wherein the catch basin 22 at the lower part of the gully 1 is connected to a sewage pipe.
And step two, after the first gate 2 is closed, rainwater enters the rainwater channel 4 through the second gate 3, and after the rainwater channel 4 is transported, the rainwater enters the water distribution gallery 5, and a sixth gate 41, a third gate 6 and a corresponding first-stage filter 7 are arranged in the rainwater gallery.
In the second step, 1-3 sixth gates 41 and 2-4 third gates 6 are arranged in the rainwater gallery, and 2-4 primary filters 7 are arranged corresponding to the third gates 6; at the early stage when rainfall enters the rainwater gallery, the sixth gate 41 at the outermost layer is in a closed state, the third gate 6 at the outermost layer is in an open state, and rainwater enters the primary filter 7 through the third gate 6 for filtering; when the liquid level difference measured by the liquid level difference meter 40 on the primary filter 7 reaches a specified value, the primary filter 7 is proved to be blocked, at this time, the sixth gate 41 at the outermost layer is gradually opened, the third gate 6 corresponding to the inner layer is gradually closed, and the subsequent flow is the same as before.
Step three, the rainwater enters the initial stage of the rainwater gallery, the sixth gate 41 is in a closed state, the third gate 6 is in an open state, the rainwater enters the first-stage filter 7 of the purification treatment chamber 42 through the third gate 6 for filtering, the filtered rainwater enters the purification treatment chamber 42, and the fourth gate 11 and the fifth gate 14 are in a closed state; after entering the purification treatment chamber 42, the rainwater is firstly filtered by the secondary filter 16, and then purified by the adsorption of the adsorption packing area 20, and the purified rainwater enters the reservoir through the lifting of the water pump 30.
Step four, when the measured liquid level of the second liquid level meter 24 reaches the designated liquid level, the opening of the water pump 30 is controlled, rainwater enters the water storage tank through the energy dissipation of the waterproof baffle 34 after being lifted by the water pump 30, the third liquid level meter 33 is installed in the water storage tank, when the third liquid level meter 33 detects that the liquid level exists, the ultraviolet light water body disinfection reactor 35 is opened, when the liquid level in the water storage tank reaches the designated height, the first gate 2 is gradually opened, and the second gate 3 is gradually closed.
Step five, when the liquid level measured by the second liquid level meter 24 is lower than the designated liquid level, controlling the water pump 30 to be closed; when the liquid level measured by the first liquid level meter 19 reaches or exceeds the designed liquid level, the blockage of at least one of the two-stage filter 16 or the adsorption packing area 20 is proved, and the first gate 2 is gradually opened and the third gate 6 is gradually closed.
In the fifth step, a certain difference is designed between the highest designated liquid level detected by the third liquid level meter 33 and the highest liquid level that can be accommodated in the reservoir, where the difference is the amount of rainwater in the processing unit between the second gate 3 and the water pump 30 after the first gate 2 is opened and the second gate 3 is closed.
Step six, then the fourth gate 11 and the fifth gate 14 are gradually opened, the variable frequency pump 31 is opened, and the rainwater blocked by backwashing enters the rainwater or municipal sewage pipeline through the first backwashing corridor and the first sewage pipeline 12, the second backwashing corridor and the second sewage pipeline 15 until the blockage is dredged; then first gate 2 closes gradually, and second gate 3 opens gradually, carries out the purification treatment and the regulation overall process of rainwater once more.
In the sixth step, during backwashing, the water pump 30 is closed, the variable frequency pump 31 is opened, the adsorption packing area 20 is flushed by low-frequency conveying water, at this time, the fifth gate 14 is in an open state, after the backwashing is carried out for a specified time, the variable frequency pump 31 is changed to a high-frequency mode, at this time, the fifth gate 14 is in a closed state, the fourth gate 11 is in an open state, after the backwashing is carried out for the specified time, all the channels are dredged to be qualified, and the variable frequency pump 31 and the fourth gate 11 are closed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that may be made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention.
Claims (10)
1. A rainwater and sewage purification treatment storage system is characterized by comprising a rainwater inlet (1), a rainwater well (22) connected below the rainwater inlet (1), a first gate (2) connected between the rainwater inlet (1) and the rainwater well (22), a second gate (3) connected to one side of the rainwater inlet (1), a rainwater channel (4) connected to the downstream of the second gate (3), a water distribution pipe gallery connected to the downstream of the rainwater channel (4), a purification treatment chamber (42) connected to the downstream of the water distribution pipe gallery, a primary filter (7) detachably connected to the inside of the purification treatment chamber (42) and corresponding to a downstream port of the water distribution pipe gallery, a secondary filter (16) detachably connected to the inside of the purification treatment chamber (42) and positioned below the primary filter (7), and an adsorption filler area (20) connected to the inside of the purification treatment chamber (42) and positioned below the secondary filter (16), a pump room (43) connected to one side outside the purification treatment chamber (42), a water pump (30) and a variable frequency pump (31) connected in the pump room (43), a regulation pool (44) connected to one side of the pump room (43), a water pump water suction pipeline (23) at one end of the water pump (30) connected below the adsorption packing area (20) and a water pump water pressure pipeline (29) at the other end connected above the regulation pool (44), a variable frequency pump water pressure pipeline (25) at one end of the variable frequency pump (31) connected below the adsorption packing area (20) and a variable frequency pump water suction pipeline (32) at the other end connected below the regulation pool (44), and a water-stop baffle (34) and an ultraviolet light water body disinfection reactor (35) connected inside the regulation pool (44);
a third gate (6) and a sixth gate (41) are connected between the water distribution gallery (5) and the primary filter (7), the water distribution gallery (5) is arranged along the water flow direction of the water distribution gallery (5) through the sixth gate (41) and is divided into parallel layer blocks, the third gate (6) is perpendicular to the sixth gate (41) and is arranged along the cross section direction of the water distribution gallery (5), and the third gates (6) between layers are independently controlled; the layers corresponding to the water distribution gallery (5) are also arranged in layers in the first-stage filter (7), and the inner side and the outer side of each layer are connected with a liquid level difference meter (40);
the outer side wall of the purification treatment chamber (42) opposite to one side of the pump room (43) is connected with a first backwashing water delivery gallery (10), the first backwashing water delivery gallery (10) is positioned in the area above the secondary filter (16), the downstream of the first backwashing water delivery gallery (10) is connected with a first sewage pipeline (12), and a fourth gate (11) is connected between the first backwashing water delivery gallery (10) and the first sewage pipeline (12);
a second backwashing water delivery gallery (13) is connected to the outer side wall of the purifying treatment chamber (42) on one side relative to the pump room (43), the second backwashing water delivery gallery (13) is positioned in the area above the adsorption filling area (20), the downstream of the second backwashing water delivery gallery (13) is connected with a second sewage pipeline (15), and a fifth gate (14) is connected between the second backwashing water delivery gallery (13) and the second sewage pipeline (15);
a first liquid level meter (19) is connected to the secondary filter (16) in the purification treatment chamber (42), and a second liquid level meter (24) is connected below the adsorption packing area (20); the bottom of the regulating and storing pool (44) is provided with a third liquid level meter (33), the bottom of the purification treatment chamber (42) is provided with a slope (21), and the slope faces one side of the pump station.
2. The rainwater and sewage purification treatment storage system according to claim 1, wherein the primary filter (7) is fully arranged on the whole cross section of the water distribution gallery (5) and is detachably arranged in layers corresponding to the layers of the water distribution gallery (5), and the primary filter (7) is a net-shaped baffle plate with the pore diameter smaller than 20 mm.
3. The rainwater sewage purification treatment storage system according to claim 1, wherein the secondary filter (16) is detachable from a frame formed by the lower cross beam (18) and the longitudinal beam (17) and fully arranged in the horizontal direction of the purification treatment chamber (42), and comprises three layers, wherein the first layer and the third layer are made of wire meshes with the pore diameter of 10-15mm, the second layer is made of pebbles with the particle diameter of 30-50mm, and the three layers are integrally manufactured;
the adsorption filler area (20) can be detached from a frame formed by the lower cross beam (18) and the longitudinal beam (17), is fully arranged in the horizontal direction of the purification treatment chamber (42), and comprises three layers, wherein the upper layer is formed by wire netting with the diameter of 10-15mm, the middle layer is ceramsite or other adsorption filler with the diameter of 5-10mm, the thickness of 10-15cm, and the lower layer is wire netting with the diameter of 3-5mm, and the three layers are integrally manufactured.
4. A rainwater and sewage purification treatment and regulation system as claimed in claim 1, wherein the top of one side of the purification treatment chamber (42) is provided with a first manhole (8) and a first ladder stand (9), the top of one side of the pump room (43) is provided with a second ladder stand (27) and a second manhole (26), and the top of one side of the regulation pool (44) is provided with a third manhole (36) and a third ladder stand (37); the top of the purification treatment chamber (42) and the storage tank (44) is also provided with a vent pipe (28).
5. The rainwater sewage purification treatment and regulation system according to claim 1, wherein the first gate (2) and the second gate (3) at the rainwater inlet (1) are connected in parallel and are remotely controlled through a time relay (39), and a flow meter (38) is further connected at the first gate (2); the third gates (6) of all layers in the water distribution gallery (5), the corresponding sixth gates (41) and the liquid level difference meter (40) are connected in parallel for comprehensive remote control; the fourth gate (11), the fifth gate (14), the variable frequency pump (31), the first liquid level meter (19) and the second liquid level meter (24) are connected in parallel to realize comprehensive remote control.
6. The rainwater sewage purification treatment and regulation system according to claim 1, wherein the rainwater ports (1) are provided with rainwater grates, the rainwater ports (1) are connected through rainwater pipelines, and the rainwater pipelines are provided with switch valves; all water distribution pipe galleries are connected through a connecting pipe, and a switch valve is arranged on the connecting pipe.
7. The rainwater and sewage purification treatment and storage system and the construction method thereof according to any one of claims 1 to 6, characterized by comprising the following concrete steps:
step one, in the early stage of rainfall, a first gate (2) is opened, a second gate (3) is closed, a flow meter (38) in a rainwater port (1) sends a signal to a time relay (39) after detecting the flow, the time relay (39) starts timing, when the designated time is reached by timing, the first gate (2) is gradually closed, and the second gate (3) is gradually opened; if the value detected by the flowmeter (38) is smaller than the specified value in the timing process, the time relay (39) stops timing; wherein the catch basin (22) at the lower part of the gully (1) is connected with a sewage pipeline;
step two, after the first gate (2) is closed, rainwater enters the rainwater channel (4) through the second gate (3), and enters the water distribution gallery (5) through the transmission of the rainwater channel (4), and a sixth gate (41), a third gate (6) and a corresponding first-stage filter (7) are arranged in the rainwater gallery;
step three, the rainwater enters the initial stage of the rainwater gallery, the sixth gate (41) is in a closed state, the third gate (6) is in an open state, the rainwater enters the primary filter (7) of the purification treatment chamber (42) through the third gate (6) to be filtered, the filtered rainwater enters the purification treatment chamber (42), and the fourth gate (11) and the fifth gate (14) are in a closed state; after entering the purification treatment chamber (42), the rainwater is firstly filtered by the secondary filter (16) and then purified by the adsorption of the adsorption filler area (20), and the purified rainwater enters the reservoir by the lifting of the water pump (30);
step four, when the measured liquid level of the second liquid level meter (24) reaches a specified liquid level, controlling the opening of a water pump (30), after the water pump (30) is lifted, firstly dissipating energy through a water-resisting baffle plate (34) and entering a water storage tank, installing a third liquid level meter (33) in the water storage tank, when the third liquid level meter (33) detects that the liquid level exists, opening an ultraviolet light water body disinfection reactor (35), when the liquid level in the water storage tank reaches the specified height, gradually opening a first gate (2), and gradually closing a second gate (3);
step five, when the liquid level measured by the second liquid level meter (24) is lower than the designated liquid level, controlling the water pump (30) to be closed; when the liquid level measured by the first liquid level meter (19) reaches or exceeds the designed liquid level, the blockage of at least one of the secondary filter (16) or the adsorption packing area (20) is proved, and the first gate (2) is gradually opened and the third gate (6) is gradually closed;
step six, then the fourth gate (11) and the fifth gate (14) are gradually opened, the variable frequency pump (31) is opened, and the rainwater blocked by backwashing enters the rainwater or municipal sewage pipeline after passing through the first backwashing corridor and the first sewage pipeline (12), the second backwashing corridor and the second sewage pipeline (15) until the blockage is dredged; then first gate (2) are closed gradually, and second gate (3) are opened gradually, carry out the purification treatment and the regulation overall process of rainwater once more.
8. The rainwater and sewage purification treatment and storage system and the construction method thereof according to claim 7, wherein in the second step, 1-3 sixth gates (41) and 2-4 third gates (6) are arranged in the rainwater gallery, and 2-4 primary filters (7) are arranged corresponding to the third gates (6); at the early stage when rainfall enters the rainwater gallery, the sixth gate (41) on the outermost layer is in a closed state, the third gate (6) on the outermost layer is in an open state, and rainwater enters the primary filter (7) through the third gate (6) for filtering; when the liquid level difference measured by the liquid level difference meter (40) on the primary filter (7) reaches a designated value, the primary filter (7) is proved to be blocked, the sixth gate (41) on the outermost layer is gradually opened, the third gate (6) corresponding to the inner layer is gradually closed, and the subsequent flow is the same as before.
9. The rainwater purification treatment and regulation system and the construction method thereof according to claim 7, wherein in the fifth step, the highest designated liquid level detected by the third liquid level meter (33) and the highest liquid level capable of being accommodated in the reservoir are designed to have a certain difference, and the difference is the amount of rainwater of the treatment unit between the second gate (3) and the water pump (30) device after the second gate (3) is closed and the first gate (2) is considered to be opened.
10. The rainwater and sewage purification treatment storage system and the construction method thereof according to claim 7, wherein in the sixth step, during backwashing, the water pump (30) is closed, the variable frequency pump (31) is opened, the adsorption filler area (20) is washed by low-frequency conveying water, the fifth gate (14) is in an open state, after the specified time of backwashing, the variable frequency pump (31) is changed to a high-frequency mode, the fifth gate (14) is in a closed state, the fourth gate (11) is in an open state, after the specified time of backwashing, all the channels are cleared and accepted, and the variable frequency pump (31) and the fourth gate (11) are closed.
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| CN113293850A (en) * | 2021-06-18 | 2021-08-24 | 江苏合连盛建设工程有限公司 | Method for collecting rainwater on slope ground of plant area |
| CN115093060A (en) * | 2022-07-07 | 2022-09-23 | 尚川(北京)装备有限公司 | Process and system for quickly purifying rain sewage and overflow sewage |
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| WO2016017998A1 (en) * | 2014-07-29 | 2016-02-04 | 유지씨 주식회사 | Rainwater purifying apparatus for rainwater pipe, for recycling rainwater |
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| CN103088871A (en) * | 2013-01-28 | 2013-05-08 | 朱加林 | Large gymnasium shock-resistance intelligent control-type rainwater utilization system |
| WO2016017998A1 (en) * | 2014-07-29 | 2016-02-04 | 유지씨 주식회사 | Rainwater purifying apparatus for rainwater pipe, for recycling rainwater |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113293850A (en) * | 2021-06-18 | 2021-08-24 | 江苏合连盛建设工程有限公司 | Method for collecting rainwater on slope ground of plant area |
| CN115093060A (en) * | 2022-07-07 | 2022-09-23 | 尚川(北京)装备有限公司 | Process and system for quickly purifying rain sewage and overflow sewage |
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