CN111424789B - Treatment systems and equipment with interception facilities - Google Patents
Treatment systems and equipment with interception facilities Download PDFInfo
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- CN111424789B CN111424789B CN202010229167.0A CN202010229167A CN111424789B CN 111424789 B CN111424789 B CN 111424789B CN 202010229167 A CN202010229167 A CN 202010229167A CN 111424789 B CN111424789 B CN 111424789B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 193
- 239000010865 sewage Substances 0.000 claims abstract description 189
- 238000004891 communication Methods 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000004590 computer program Methods 0.000 claims description 6
- 230000033228 biological regulation Effects 0.000 abstract description 57
- 230000000694 effects Effects 0.000 abstract description 13
- 230000007547 defect Effects 0.000 abstract description 8
- 238000007599 discharging Methods 0.000 abstract description 8
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000001035 drying Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 20
- 239000008239 natural water Substances 0.000 description 12
- 239000007788 liquid Substances 0.000 description 11
- 230000001276 controlling effect Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000006399 behavior Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
- E03F1/002—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells
- E03F1/003—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells via underground elongated vaulted elements
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
- E03F1/002—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells
- E03F1/005—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells via box-shaped elements
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
-
- 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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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sewage (AREA)
Abstract
The present invention provides a treatment system with a shut-off facility, comprising: converging branch pipes; the sewage branch pipe is communicated with the converging branch pipe; a closure facility disposed between the converging branch pipe and the sewage branch pipe; a gully is communicated with the converging branch pipe; the first diversion facility is respectively communicated with the confluence branch pipe and the municipal confluence pipe; the first rain regulation facility is communicated with the first diversion facility; and the second flow dividing facility is communicated with the municipal confluence pipe, and the on-line treatment facility and the sewage treatment facility are respectively communicated with the second flow dividing facility. The invention realizes the diversion of rain and sewage, reduces the treatment pressure of treatment facilities in the rainfall period, prolongs the service life of the treatment facilities and reduces the resource waste; and the technical defect of river channel drying caused by treating and discharging sewage only is avoided in a non-rainfall period, and the technical effect of timely supplying river water is achieved.
Description
Technical Field
The invention belongs to the technical field of municipal drainage, and particularly relates to a treatment system and equipment with a shutoff facility.
Background
Municipal drainage systems in cities are mainly divided into a confluence drainage system and a diversion drainage system. The earliest confluence drainage system mixes sewage, industrial wastewater and rainwater in the same pipe canal, directly discharges the sewage into water nearby without any treatment, and easily causes serious pollution to the receiving water. The diversion drainage system is a device for draining domestic sewage, industrial wastewater and rainwater in two or more independent pipelines respectively.
Currently, in the existing municipal drainage technology, most of the combined cells have the following problems:
(1) In rainy days, rainwater is divided into primary rainwater and middle-stage and later-stage rainwater according to a time-long method, a water quality method or a liquid level method, and the primary rainwater is generally split into municipal sewage pipes for reuse after being treated by a sewage treatment plant in a primary rainwater discharge mode, however, the sewage pipes have limited conveying capacity and cannot accommodate a large amount of mixed water of sewage and rainwater, if the sewage pipes are modified, the cost is too high, and the mixed water mixed with the sewage and the primary rainwater is also insufficient in capacity of the sewage treatment plant or waste of treatment resources due to the fact that the mixed water mixed with the sewage and the primary rainwater is sent into the sewage treatment plant for treatment due to the large quantity; in addition, in sunny days, as the initial rain is treated and discharged in rainy days, the water treatment discharge amount of the water is only related to domestic sewage, so that the condition that no water is supplied along the river channel due to insufficient water treatment discharge amount in long-term sunny days is easily caused, and the river channel is dried.
(2) On one hand, in rainy days, a large amount of sewage is mixed in the rainwater flowing out of the converging branch pipe because the rainwater is not split into rainwater and sewage in the pipeline system in the converging district, and at the moment, if the part of sewage is conveyed to the municipal converging pipe, natural water connected with the municipal converging pipe is extremely easy to be polluted; on the other hand, sewage and rainwater which continuously flow into the converging branch pipe are diluted by the rainwater, but the concentration of pollutants in the sewage is higher, so that the middle-stage and later-stage rainwater flowing out of the converging branch pipe is also sewage, natural water is polluted if the middle-stage and later-stage rainwater flows into the municipal converging pipe, meanwhile, the capacity of the municipal converging pipe is limited because the middle-stage and later-stage rainwater is larger, the middle-stage and later-stage rainwater and the sewage cannot be contained, if the converging branch pipe is reformed, the cost is too high, and the large amount of the middle-stage and later-stage rainwater mixed with domestic sewage is fed into a sewage treatment plant for treatment, and the capacity of the sewage treatment plant is insufficient, or the treatment resource is wasted.
Therefore, in the existing municipal drainage technology, the technical defects that the rainwater is not split during the treatment and the discharge of rainwater in the combined system district in rainy days, the treatment pressure of the treatment facilities is high, the treatment facilities operate in an overload mode, the service life of the treatment facilities is reduced, and the condition that no water is supplemented along the river channel due to insufficient water treatment discharge amount during sunny days is extremely easy to cause the river channel to dry are overcome.
Disclosure of Invention
The invention aims to solve the technical problems that the sewage treatment plant has very high treatment pressure and overload operation in rainy days, the service life of treatment facilities is very low, the waste of resources is very easy to cause, meanwhile, the conveying pressure and the conveying strength of a sewage pipe are also increased, the cost is also increased when the sewage pipe is reformed, and the technical defect that a river channel is very easy to dry in sunny days is overcome.
To solve the above technical problem, in a first aspect, the present invention provides a treatment system having a shutoff facility for a drainage operation, the system comprising:
The system comprises a closure facility, a confluence branch pipe, a sewage branch pipe, a municipal confluence pipe, a gully, a first diversion facility, a second diversion facility, a primary rain regulation facility, an online treatment facility and a sewage treatment facility; the converging branch pipe is respectively communicated with the sewage branch pipe and the rain water inlet, and the intercepting facility is arranged between the converging branch pipe and the sewage branch pipe and is used for intercepting sewage in the sewage branch pipe in a rainfall period; the first diversion facility is respectively communicated with the converging branch pipe and the municipal converging pipe and is positioned at the downstream direction of the converging branch pipe; the first rain regulation facility is communicated with the first diversion facility; the second diversion facility is respectively communicated with the online treatment facility and the sewage treatment facility and is positioned at the downstream position of the municipal merging pipe;
The intercepting facility intercepts sewage in the sewage branch pipe in a rainfall period, the first diversion facility diverts primary rain conveyed in the converging branch pipe to the primary rain regulation facility for storage, and the first diversion facility diverts middle-stage and later-stage rain conveyed in the converging branch pipe to an online treatment facility for treatment through the second diversion facility; and in the non-rainfall period, the first diversion facility, the municipal diversion pipe and the second diversion facility are sequentially used for diversion of the primary rain in the primary rain regulation facility to the on-line treatment facility for treatment, and in the non-rainfall period, the interception facility is used for discharging sewage in the sewage branch pipe, and the sewage sequentially passes through the confluence branch pipe, the first diversion facility, the municipal diversion pipe and the second diversion facility for diversion to the sewage treatment facility for treatment.
Optionally, the system further comprises:
the first water conservancy switch is arranged at a water outlet of the first diversion facility, which leads to the direction of the municipal confluence pipe;
And
The second water conservancy switch is arranged at a water outlet of the first diversion facility, which leads to the direction of the primary rain regulation facility.
Optionally, the system further comprises:
And the third water conservancy switch is arranged at a water outlet of the interception facility, which is led to the direction of the converging branch pipe.
Optionally, the system further comprises:
and the first pump is arranged in the primary rain regulation facility so as to pump the primary rain from the primary rain regulation facility to the municipal current-collecting pipe or the second current-distributing facility.
Optionally, the system further comprises:
A transmitter for receiving an identification instruction of a current time period, the identification instruction comprising one of: a first identification instruction for characterizing a non-rainfall period, a second identification instruction for characterizing a first rain of the rainfall period, and a third identification instruction for characterizing a middle and late rain of the rainfall period;
The controller is respectively in communication connection with the transmitter, the first water conservancy switch, the second water conservancy switch and the third water conservancy switch, the controller comprises a memory and a processor, wherein the memory stores a computer program, and the program can realize the following steps when being executed by the processor:
Receiving an identification instruction sent by the transmitter;
According to the identification instruction, switching the opening and closing of the first water conservancy switch, the second water conservancy switch and the third water conservancy switch, wherein the switching specifically comprises:
When the identification instruction is a first identification instruction, respectively controlling the first water conservancy switch to be turned on and the second water conservancy switch to be turned on, so that the initial rain is split to the online treatment facility through the first splitting facility, the municipal merging pipe and the second splitting facility in sequence; or the first water conservancy switch is controlled to be turned on, the second water conservancy switch is controlled to be turned off, and the third water conservancy switch is controlled to be turned on, so that the sewage is shunted to the sewage treatment facility for treatment through the first shunting facility, the municipal administration shunt pipe and the second shunting facility in sequence;
when the identification instruction is a non-first identification instruction, the third water conservancy switch is controlled to be closed; and
When the identification instruction is a second identification instruction, the first water conservancy switch is controlled to be closed, and the second water conservancy switch is controlled to be opened, so that the primary rain in the confluence branch pipe is shunted to the primary rain regulation and storage facility for storage through the first shunting facility;
When the identification instruction is a third identification instruction, the first water conservancy switch is controlled to be turned on, and the second water conservancy switch is controlled to be turned off, so that the middle-stage and later-stage rain in the converging branch pipe sequentially passes through the first diversion facility, the municipal converging pipe and the second diversion facility to be diverted to the on-line treatment facility and/or the sewage treatment facility for treatment.
Optionally, the first rain regulation facility is a low-lying land or a lake pond in the unit area or a reservoir arranged in the unit area.
Optionally, the on-line treatment facility is an ecological detention pond, a biological filter, a physical and chemical treatment facility, a biochemical treatment facility, an oxidation pond or an artificial wetland.
In a second aspect, the present invention also provides a treatment apparatus having a shut-off facility for a municipal combined pipe comprising a municipal combined pipe, the apparatus comprising:
The system comprises a closure facility, a converging branch pipe, a sewage branch pipe, a water inlet, a first diversion facility, a second diversion facility and a primary rain regulation facility; the converging branch pipe is respectively communicated with the sewage branch pipe and the rain water inlet, and the intercepting facility is arranged between the converging branch pipe and the sewage branch pipe and is used for intercepting sewage in the sewage branch pipe in a rainfall period; the first diversion facility is respectively communicated with the converging branch pipe and the municipal converging pipe and is positioned at the downstream direction of the converging branch pipe; the first rain regulation facility is communicated with the first diversion facility; the second diversion facilities are respectively communicated with the on-line treatment facilities and the sewage treatment facilities and are positioned at the downstream direction of the municipal current combining pipe;
The intercepting facility intercepts sewage in the sewage branch pipe in a rainfall period, the first diversion facility diverts primary rain conveyed in the converging branch pipe to the primary rain regulation facility for storage, and the first diversion facility diverts middle-stage and later-stage rain conveyed in the converging branch pipe to an online treatment facility for treatment through the second diversion facility; and in the non-rainfall period, the first diversion facility, the municipal diversion pipe and the second diversion facility are sequentially used for diversion of the primary rain in the primary rain regulation facility to the on-line treatment facility for treatment, and in the non-rainfall period, the interception facility is used for discharging sewage in the sewage branch pipe, and the sewage sequentially passes through the confluence branch pipe, the first diversion facility, the municipal diversion pipe and the second diversion facility for diversion to the sewage treatment facility for treatment.
Optionally, the method further comprises:
the first water conservancy switch is arranged at a water outlet of the first diversion facility, which leads to the direction of the municipal confluence pipe;
And
The second water conservancy switch is arranged at a water outlet of the first diversion facility, which leads to the direction of the primary rain regulation facility;
And
And the third water conservancy switch is arranged at a water outlet of the interception facility, which is led to the direction of the converging branch pipe.
Optionally, the apparatus further comprises:
A transmitter for receiving an identification instruction of a current time period, the identification instruction comprising one of: a first identification instruction for characterizing a non-rainfall period, a second identification instruction for characterizing a first rain of the rainfall period, and a third identification instruction for characterizing a middle and late rain of the rainfall period;
The controller is respectively in communication connection with the transmitter, the first water conservancy switch, the second water conservancy switch and the third water conservancy switch, the controller comprises a memory and a processor, wherein the memory stores a computer program, and the program can realize the following steps when being executed by the processor:
Receiving an identification instruction sent by the transmitter;
According to the identification instruction, switching the opening and closing of the first water conservancy switch, the second water conservancy switch and the third water conservancy switch, wherein the switching specifically comprises:
When the identification instruction is a first identification instruction, respectively controlling the first water conservancy switch to be turned on and the second water conservancy switch to be turned on, so that the initial rain is split to the online treatment facility through the first splitting facility, the municipal merging pipe and the second splitting facility in sequence; or the first water conservancy switch is controlled to be turned on, the second water conservancy switch is controlled to be turned off, and the third water conservancy switch is controlled to be turned on, so that the sewage is shunted to the sewage treatment facility for treatment through the first shunting facility, the municipal administration shunt pipe and the second shunting facility in sequence;
when the identification instruction is a non-first identification instruction, the third water conservancy switch is controlled to be closed; and
When the identification instruction is a second identification instruction, the first water conservancy switch is controlled to be closed, and the second water conservancy switch is controlled to be opened, so that the primary rain in the confluence branch pipe is shunted to the primary rain regulation and storage facility for storage through the first shunting facility;
When the identification instruction is a third identification instruction, the first water conservancy switch is controlled to be turned on, and the second water conservancy switch is controlled to be turned off, so that the middle-stage and later-stage rain in the converging branch pipe sequentially passes through the first diversion facility, the municipal converging pipe and the second diversion facility to be diverted to the on-line treatment facility and/or the sewage treatment facility for treatment.
The beneficial effects are that:
According to the treatment system with the intercepting facility, the converging branch pipes are communicated with the rain water inlet, the intercepting facility is arranged between the converging branch pipes and the sewage branch pipes, so that sewage is intercepted in a rainfall period, only rainwater exists in the converging branch pipes, and primary rain is stored in the primary rain regulation facility caused by diversion of the first diversion facility, technical defects caused when the primary rain is directly conveyed to the municipal converging pipe and conveyed to the treatment facility for treatment by the municipal converging pipe are effectively avoided, treatment pressure of the treatment facility in the rainfall period is effectively reduced, working state of overload operation of the treatment facility is lightened, service life of the treatment facility is prolonged, and transformation cost is reduced; meanwhile, the first diversion facility and the second diversion facility are sequentially used for diverting the initial rain to the treatment facility for treatment in the non-rainfall period, and then the initial rain flows into the natural water body or the downstream pipeline, so that the technical defect of river channel dryness caused when sewage is only treated and discharged in the non-rainfall period is effectively avoided, and the technical effect of timely supplying river water is achieved; or the sewage in the sewage branch pipe is discharged through the interception facility in the non-rainfall period, so that the sewage is sequentially shunted to the sewage treatment facility for treatment and then discharged through the first shunting facility, the municipal administration confluence pipe and the second shunting device, the rain and sewage shunting in the rainfall period is effectively realized, and the device has the characteristic of wide applicability.
The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present invention more readily apparent.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a first embodiment of a processing system with a shut-off facility;
FIG. 2 is a schematic diagram of a first embodiment of a treatment system with a shut-off facility;
fig. 3 is a schematic structural diagram of a processing apparatus with a shut-off device according to a second embodiment of the present invention.
Detailed Description
According to the treatment system with the intercepting facility, the converging branch pipes are communicated with the rain water inlet, the intercepting facility is arranged between the converging branch pipes and the sewage branch pipes, so that sewage is intercepted in a rainfall period, only rainwater exists in the converging branch pipes, and primary rain is stored in the primary rain regulation facility caused by diversion of the first diversion facility, technical defects caused when the primary rain is directly conveyed to the municipal converging pipe and conveyed to the treatment facility for treatment by the municipal converging pipe are effectively avoided, treatment pressure of the treatment facility in the rainfall period is effectively reduced, working state of overload operation of the treatment facility is lightened, service life of the treatment facility is prolonged, and transformation cost is reduced; meanwhile, the first diversion facility and the second diversion facility are sequentially used for diverting the initial rain to the treatment facility for treatment in the non-rainfall period, and then the initial rain flows into the natural water body or the downstream pipeline, so that the technical defect of river channel dryness caused when sewage is only treated and discharged in the non-rainfall period is effectively avoided, and the technical effect of timely supplying river water is achieved; or the sewage in the sewage branch pipe is discharged through the interception facility in the non-rainfall period, so that the sewage is sequentially shunted to the sewage treatment facility for treatment and then discharged through the first shunting facility, the municipal administration confluence pipe and the second shunting device, the rain and sewage shunting in the rainfall period is effectively realized, and the device has the characteristic of wide applicability.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments of the present invention are within the scope of the present invention; wherein the "and/or" keywords referred to in this embodiment denote and/or both cases, in other words, a and/or B mentioned in the embodiments of the present invention denote both cases a and B, A or B, and three states in which a and B exist are described, such as a and/or B, and denote: only A and not B; only B and not A; includes A and B.
Also, in embodiments of the present invention, when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" or "in communication with" another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical", "horizontal", "left", "right" and the like are used in the embodiments of the present invention for illustrative purposes only and are not intended to limit the present invention.
It should be noted that, in order to describe the present invention in more detail, so that those skilled in the art can understand the present invention more clearly and clearly, and further support the technical problems to be solved by the present invention and the corresponding technical effects to be achieved, before describing the present invention, the following explanation is made with respect to the term nouns involved in the present invention:
A merging branch pipe which is a pipe for conveying rainwater, sewage or mixed water of rainwater and sewage in the unit area pipe; a sewage branch pipe, which is a pipe for transporting sewage in the unit area pipe; municipal shunt pipes are pipes used in municipal pipes for transporting rainwater or sewage or mixed water of rainwater and sewage.
It will be appreciated by those skilled in the art that the above-described "stormwater", "sewage", "mixed water" are not limiting of the "branching pipe" or "pipe" function, but merely serve a distinguishing purpose. In other words, the same pipeline, or different pipelines, or pipelines with the same part and different parts can be used for the converging branch pipe, the sewage branch pipe and the municipal converging pipe, the invention is not limited, and the pipelines which can realize liquid conveying are suitable for the invention and are also within the protection scope of the invention.
According to whether or not the rainfall behavior occurs, the periods involved in the present invention can be divided into a rainfall period and a non-rainfall period, wherein the rainfall period refers to the period in which the rainfall behavior occurs and can be understood as a rainy day; the non-rainfall period is a period opposite to the rainfall period, and refers to a period in which no rainfall behavior occurs, and can be understood as a sunny day. Or according to the rainfall, the period related to the invention can be divided into a rainfall period and a non-rainfall period, wherein the rainfall period refers to a period when the rainfall reaches a certain rainfall threshold value, and can be understood as a period when the rainfall is slightly larger; the non-rainfall period is a period of time opposite to the rainfall period, and is a period of time when the rainfall is less than the rainfall threshold, and is understood to be a period of time when there is no rainfall or when the rainfall is small.
In the invention, the specific mode of determining the rainfall period and the non-rainfall period is not limited, and the method can be selected and determined according to actual operation requirements; in other words, any of the above-described ways of determining the rainfall period and the non-rainfall period is applicable to the present invention. And how to judge whether rainfall occurs or not and how to judge whether rainfall reaches a certain rainfall threshold value or not, the judgment mode of the prior art is adopted, the invention does not aim at the judgment mode of whether rainfall occurs or not, and a determination mode for determining whether the rainfall reaches a certain rainfall threshold is limited, so long as the determination mode for obtaining whether rainfall occurs or whether the rainfall reaches a certain rainfall threshold can be realized, the method is suitable for the invention.
Furthermore, for the rainfall period, the rainwater can be divided into primary rainwater and middle and late stage rainwater, and the dividing mode can adopt a time-length method, a water quality method or a liquid level method in the prior art, for example, when the time-length method is adopted, the corresponding rainwater in the rainfall period is primary rainwater, and the corresponding rainwater in the middle and late stage rainfall is middle and late stage rainwater; if the water quality method is adopted, the rainwater is first rain when the concentration of the rainwater is higher than a certain concentration threshold value, and is middle-stage and later-stage rain when the concentration of the rainwater is lower than a certain concentration threshold value; if the liquid level method is adopted, the rainwater is first rain when the liquid level of the rainwater is lower than a certain liquid level threshold value, and is middle-late stage rain when the liquid level of the rainwater is higher than a certain liquid level threshold value.
Similarly, the mode of determining the first rain or the middle and later rain is not limited, and the mode can be selected and determined according to actual operation requirements; in other words, any of the above-described ways of determining the initial rain or the middle-late rain is applicable to the present invention.
Of course, it should be understood by those skilled in the art that, since certain errors are allowed in the actual process of draining rainwater and/or sewage, certain errors may exist in the specific division of each period, such as that the division nodes are not strict in the middle of the initial rain and the middle and late rain, so that the initial rain is mixed with the middle and late rain, or the initial rain/middle and late rain is mixed with a small amount of sewage, etc.; the operation effect caused by the error is negligible because the implementation effect of the whole technical scheme of the invention is not influenced, and the operation effect is not considered to be within the protection scope of the invention.
Example 1
Referring to fig. 1, a schematic overall structure of a processing system with a shut-off facility according to a first embodiment of the present invention includes: the sewage treatment system comprises a converging branch pipe 1, a sewage branch pipe 2, a water inlet 3, a municipal converging pipe 6, a first diversion facility 4, a primary rain regulation facility 5, a second diversion facility 7, an online treatment facility 11, a sewage treatment facility 12 and a interception facility 13.
The converging branch pipe 1, the sewage branch pipe 2 and the rain water inlet 3 may be disposed in a unit area, where the unit area is an area where sewage and rain water need to be treated, and may be a residential area, a school, an administrative area, etc., and of course, in the actual setting process, in order to connect with municipal pipelines, part of the branch pipes extend to outside the unit area or municipal roads, which is also suitable for the present invention, and the present invention is not limited thereto. The converging branch pipe 1 is connected with the rain inlet 3 and is commonly used for conveying rainwater, so that the first rain and the middle and later rain in the rainfall period are conveyed after being converged into the converging branch pipe 1 through the rain inlet 3, the number of the rain inlet 3 can be multiple, the distribution position of the plurality of rain inlets 3 in a unit area can be any position, and the rainwater collecting branch pipe can be reasonably arranged according to the actual rain collecting direction in the actual process. The sewage branch pipe 2 is communicated with the municipal confluence pipe 10, so that sewage in a unit area is firstly collected into the sewage branch pipe 2, and then the sewage branch pipe 2 intensively conveys the sewage into the confluence pipe 1; the municipal current-combining pipe 10 can be connected with the second current-combining facility 7 and is connected with a sewage treatment facility 12 (such as a sewage treatment plant) through the second current-combining facility 7, sewage is treated by the sewage treatment facility 12 and then discharged, and also can be connected with an online treatment facility 11 (such as a biological filter) through the second current-combining facility 7, and rainwater or the mixed water of rainwater and sewage is treated by the online treatment facility 11 and then discharged.
Wherein, the embodiment of the invention is provided with a interception facility 13 between the sewage branch pipe 2 and the municipal current collecting pipe 6, so as to intercept the sewage in the sewage branch pipe 2 through the interception facility 13, for example, during a rainfall period, the sewage is intercepted so as not to flow into the current collecting branch pipe 1, thereby realizing rain and sewage diversion during the rainfall period, and during a non-rainfall period, the sewage is released so as to flow into the current collecting branch pipe 1.
In addition, in the present invention, a first diversion facility 4 and a first rain regulation facility 5 are provided in the downstream direction of the merging branch pipe 1, the first diversion facility 4 is respectively communicated with the merging branch pipe 1 and the municipal merging pipe 6, and the first rain regulation facility 5 is communicated with the first diversion facility 4. It can be understood that the first diversion facility 4 is provided with a connection structure of at least one water inlet and two water outlets, namely, the water inlet of the first diversion facility 4 is communicated with the confluence branch pipe 1 and is respectively corresponding to the first rain regulation facility 5 and the municipal confluence pipe 6 through the two water outlets.
The first diversion facility 4 is used for diversion of the initial rain in the rainfall period in the combined branch pipe 1, the initial rain in the rainfall period in the combined branch pipe 1 is diverted through the first diversion facility 4 and stored through the initial rain regulation facility 5, and the control mode that the shutoff facility 13 is used for diversion of the sewage in the sewage branch pipe 2 at the moment is applicable to the invention as long as the control mode that the first diversion facility 4 is used for diversion of the initial rain in the rainfall period in the combined branch pipe 1, namely, the two control modes are used for diversion of the initial rain in the rainfall period in the combined branch pipe 1, the shutoff facility 13 is used before the sewage branch pipe 2 is intercepted, the control sequence is not limited, and the invention can realize that the sewage in the rainfall period in the sewage branch pipe 2 is intercepted through the shutoff facility 13. And the stored primary rain is shunted to the on-line treatment facility 11 or the sewage treatment facility 12 through the first shunting facility 4 and the second shunting facility 7 in sequence in the non-rainfall period and then flows into the natural water body or the downstream pipeline, so that the technical defect of river channel dryness caused when sewage is only treated and discharged in the non-rainfall period is effectively avoided, and the river water is effectively supplied.
As an implementation manner of implementing the diversion action of the first diversion facility 4, an embodiment of the present invention may include a first water conservancy switch and a second water conservancy switch. The first water conservancy switch is arranged at a water outlet of the first diversion facility 4 in the direction of leading to the municipal current combining pipe 6; the second water conservancy switch is arranged at a water outlet of the first diversion facility 4, which leads to the direction of the primary rain regulation facility 5. Through controlling first hydraulic switch to close and second hydraulic switch opens in the rainfall period for the first rain in the confluence branch pipe 1 shunts to store in the first rain regulation facility 5 through first reposition of redundant personnel facility 4, and to well later stage rain, turn on and the second hydraulic switch closes through control first hydraulic switch, make the well later stage rain in the confluence branch pipe 1 shunt to online processing facility 11 in proper order through first reposition of redundant personnel facility 4, second reposition of redundant personnel facility 7 handle, and then realize regulating the first rain in the rainfall period, alleviate the treatment pressure of handling the facility, avoid the wasting of resources simultaneously, also can realize simultaneously supplying the water level in the natural water in the non-rainfall period.
As a further implementation of the diversion action of the first diversion facility 4, the embodiment of the present invention may also comprise a first pump; the first pump is arranged in the primary rain regulation facility 5 to pump primary rain from the primary rain regulation facility 5 to the municipal merging pipe 6 or the second diversion facility 7. Also in this embodiment, the embodiment of the invention further comprises a first water conservancy switch arranged at the water outlet of the first diversion facility 4 in the direction of the municipal administration diversion pipe 6, and a second water conservancy switch arranged at the water outlet of the first diversion facility 4 in the direction of the initial rain regulation facility 5. Specifically, control first hydraulic switch is closed and second hydraulic switch opens during the rainfall period for the first rain in confluence branch pipe 1 shunts to storing in the first rain regulation facility 5 through first reposition of redundant personnel facility 4, and is aimed at middle-late stage rain, turn on and the second hydraulic switch closes through control first hydraulic switch, make the middle-late stage rain in confluence branch pipe 1 shunt to on-line treatment facility 11 processing through first reposition of redundant personnel facility 4, municipal administration parallel flow pipe 6, second reposition of redundant personnel facility 7 in proper order, and then realize regulating and accumulating the first rain at the rainfall period, alleviate the treatment pressure of handling the facility, also avoid the wasting of resources simultaneously. And when the rainfall is not in the period, the first water conservancy switch is controlled to be turned on, and the second water conservancy switch is controlled to be turned on, at the moment, the initial rain stored in the initial rain regulation facility 5 is sequentially shunted to the on-line treatment facility 11 through the first shunting facility 4, the municipal shunt tube 6 and the second shunting facility 7 and then discharged to the natural water body, so that the water level in the natural water body is supplied in the rainfall-not period, and when the water discharge requirement is large, the first pump is controlled to synchronously suck the initial rain or the mixed water of the initial rain and sewage in the initial rain regulation facility 5 back to the second shunting facility 7 or the on-line treatment facility 11, so that the problem that the current water supply cannot be met by only turning on the second water conservancy switch is solved, or the first water conservancy switch can be turned off when the initial rain in the initial rain regulation facility 5 is sucked back through the first pump is solved.
As can be appreciated by those skilled in the art, the water mixture of the primary rain or the primary rain and the sewage in the primary rain regulation facility 5 is specifically transported to the second diversion facility 7 or the on-line treatment facility 11 through the above embodiment, and can be selectively controlled according to the actual operation requirement; in other words, the present invention is not limited to the conveying manner of the primary rain in the primary rain regulation facility 5, and the two conveying manners and the conveying manner similar to the conveying manner in the prior art are applicable to the present invention as long as the technical effect of remotely conveying the primary rain in the primary rain regulation facility 5 to the second diversion facility 7 or the on-line processing facility 11 can be achieved, and are also within the protection scope of the present invention.
Further, since there is a possibility that the sewage flowing from the sewage branch pipe 2 into the merging branch pipe 1 exists in both the rainfall period and the non-rainfall period, in the two embodiments of the diversion operation of the first diversion facility 4, the third water conservancy switch may be provided at the water outlet of the shutoff facility 13 in the direction leading to the merging branch pipe 1.
Specifically, when the rainfall period, the whole course control third hydraulic switch is closed, and then realizes the rain and sewage reposition of redundant personnel in the rainfall period, then when the first hydraulic switch of control is closed and the second hydraulic switch is opened at the first rain, make the first rain in the confluence branch pipe 1 shunt to store in the first rain regulation facility 5 through first reposition of redundant personnel facility 4. And for the middle-stage and later-stage rain, the first water conservancy switch is controlled to be turned on and the second water conservancy switch is controlled to be turned off, so that the middle-stage and later-stage rain in the converging branch pipe 1 is sequentially shunted to the on-line treatment facility 11 for treatment through the first shunting facility 4 and the second shunting facility 7.
And when the first rain in the first rain regulation facility 5 is required to be discharged in a non-rainfall period, the third water conservancy switch is controlled to be closed, the first water conservancy switch is controlled to be opened, and the second water conservancy switch is controlled to be opened, so that the first rain stored in the first rain regulation facility 5 is sequentially shunted to the on-line treatment facility 11 or the sewage treatment facility 12 through the first shunting facility 4 and the second shunting facility 7 and then discharged to the natural water body, and the water level in the natural water body is further supplied in the non-rainfall period.
Those skilled in the art can understand that the primary rain in the primary rain regulation and storage facility 5 is specifically conveyed by the control mode, and the primary rain can be selectively controlled according to actual operation requirements; in other words, the present invention is not limited to the control and transportation method of the primary rain in the primary rain regulation facility 5, and the above-mentioned various transportation control methods are applicable to the present invention as long as the primary rain is stored in a part during the initial period of rainfall, so that the processing pressure of the processing facility is reduced during the whole rainfall period, and the technical effect of replenishing the water level in the natural water body during the non-rainfall period is achieved.
Still further, referring to fig. 2, the embodiment of the present invention further includes: a conveyor 8 and a controller 9.
In detail, the transmitter 8 is configured to receive an identification instruction of the current period, where the identification instruction includes one of the following instructions: a first identification instruction for characterizing a non-rainfall period, a second identification instruction for characterizing a first rain of the rainfall period, and a third identification instruction for characterizing a middle and late rain of the rainfall period; the controller 9 is respectively in communication connection with the transmitter, the first hydraulic switch, the second hydraulic switch and the third hydraulic switch, the controller 9 comprises a memory and a processor, wherein the memory stores a computer program, and the program can realize the following steps when being executed by the processor:
receiving an identification instruction sent by the transmitter; according to the identification instruction, switching the opening and closing of the first water conservancy switch, the second water conservancy switch and the third water conservancy switch, wherein the switching specifically comprises:
When the identification instruction is a first identification instruction, respectively controlling the first water conservancy switch to be turned on and the second water conservancy switch to be turned on, so that the initial rain is split to the online treatment facility through the first splitting facility, the municipal merging pipe and the second splitting facility in sequence; or the first water conservancy switch is controlled to be turned on, the second water conservancy switch is controlled to be turned off, and the third water conservancy switch is controlled to be turned on, so that the sewage is sequentially shunted to the sewage treatment facility for treatment through the first shunting facility, the municipal administration shunt pipe and the second shunting facility;
Specifically, when the identification command is a first identification command, that is, the current period is a non-rainfall period, at least two control modes A1.1 and A1.2 exist at the moment;
A1.1, when the stored rainwater in the primary rain regulation reservoir is discharged to an online treatment facility;
in this a1.1 control scheme, there are at least two control schemes, A1.1.1 and A1.1.2, as follows:
A1.1.1 the primary rain is split to a municipal rainwater pipe through a first splitting facility;
At the moment, the first water conservancy switch is respectively controlled to be turned on, the second water conservancy switch is respectively controlled to be turned on, the third water conservancy switch can be turned off, and the primary rain is sequentially shunted to the on-line treatment facility through the first shunting facility and the second shunting facility, and during the period, sewage in the sewage branch pipe is intercepted by the intercepting facility;
a1.1.2 the primary rain is not split to the municipal rainwater pipe through the first splitting facility;
That is, the first water conservancy switch is turned off, the second water conservancy switch is turned off, and the third water conservancy switch is turned on when the first rain is directly pumped back to the municipal rainwater pipe and/or the on-line treatment facility through the first pump, because the first rain is directly pumped back to the municipal rainwater pipe and/or the on-line treatment facility through the first pump, the converging branch pipe can receive sewage discharged by the sewage branch pipe through the intercepting facility, and the sewage flows into the sewage treatment facility to be treated through the converging branch pipe, the first diverging facility, the municipal converging pipe and the second diverging facility in sequence.
Of course, those skilled in the art can understand that the control mode of the method for discharging the stored rainwater in the primary rain regulation reservoir to the on-line treatment facility is specifically the A1.1.1 control mode or the A1.1.2 control mode, and the control can be selected according to the actual operation requirement; in other words, the control mode of the invention when the stored rainwater in the primary rain regulation reservoir is discharged to the on-line treatment facility is not particularly limited, and the 2 control modes or other control modes for the first hydraulic switch, the second hydraulic switch and the third hydraulic switch are applicable to the invention as long as the control mode that the stored rainwater in the primary rain regulation reservoir is discharged to the on-line treatment facility in the early stage of rainfall can be realized and the technical effect of sewage discharge in the sewage branch pipe is not affected, and are also within the protection scope of the invention.
A1.2, discharging the sewage in the sewage branch pipe after directly passing through a interception facility;
In the control mode of a1.2, the first water conservancy switch is controlled to be closed, the second water conservancy switch is controlled to be closed, and the third water conservancy switch is controlled to be opened, so that the sewage in the sewage branch pipe sequentially passes through the intercepting facility, the converging branch pipe, the first diversion facility, the municipal merging pipe and the second diversion facility to be conveyed to a sewage treatment facility for treatment;
of course, it can be understood by those skilled in the art that when the current identification instruction is the first identification instruction, the controller specifically executes which control mode to control, and can select control according to actual operation requirements; in other words, the control mode of the controller is not particularly limited when the current identification instruction is the first identification instruction, and the above 2 control modes or other control modes for the first hydraulic switch, the second hydraulic switch and the third hydraulic switch are applicable to the present invention as long as the technical effect of reasonably discharging sewage or stored initial rain when the first identification instruction is received can be achieved.
Further, in the embodiment of the present invention, the two control modes a1.1 and a1.2 may be executed according to a preset priority, for example, a1.2 is executed preferentially, and then a1.1 is executed.
Specifically, for the initial rain stored in the initial rain regulation facility, an initial rain level gauge can be correspondingly arranged in the initial rain regulation facility, an initial rain level threshold value used for representing the initial rain capacity is set, an initial rain level data signal of the initial rain level gauge is received in real time through a sensor, and the initial rain level data signal is transmitted to a controller in real time. When the primary rain liquid level data signal shows that the primary rain liquid level exceeds a primary rain liquid level threshold, executing an A1.1 control mode; otherwise, executing the A1.1 control mode.
Similarly, it will be understood by those skilled in the art that the execution sequence of the current a1.1 and a1.2 may be selected according to the actual job requirement, and the execution sequence of a1.1 may be executed in addition to the execution sequence of a1.2 preferentially, and then a1.1 may be executed simultaneously. In other words, the execution sequence of the A1.1 and the A1.2 is not particularly limited, so long as the invention can realize the technical effect of reasonably discharging sewage or stored initial rain when the first identification instruction is received, the invention is applicable to the invention, and the invention also falls within the protection scope of the invention.
When the identification instruction is not the first identification instruction, controlling the third water conservancy switch, namely intercepting sewage in the sewage branch pipe through a interception facility; the recognition instruction is not the first recognition instruction, which may be understood as the second recognition instruction, the third recognition instruction, or other recognition instructions, which are described below, and the present invention is not limited thereto. When the identification instruction is a non-first identification instruction, the method specifically comprises the following steps:
When the identification instruction is a second identification instruction, the first water conservancy switch is controlled to be closed, and the second water conservancy switch is controlled to be opened, so that the primary rain in the confluence branch pipe is shunted to the primary rain regulation and storage facility for storage through the first shunting facility;
When the identification instruction is a third identification instruction, the first water conservancy switch is controlled to be turned on, and the second water conservancy switch is controlled to be turned off, so that the middle-stage and later-stage rain in the converging branch pipe sequentially passes through the first diversion facility, the municipal converging pipe and the second diversion facility to be diverted to the on-line treatment facility and/or the sewage treatment facility for treatment.
It should be noted that, in the embodiment of the present invention, the transmitter 110 is configured to receive and transmit the identification instruction of the current period, that is, directly obtain the identification instruction for controlling the controller, where the instruction may be directly input by a person, or may be transmitted to the controller by another terminal device or a remote terminal device, after receiving the identification instruction, and it is not required to perform an action on how to obtain the identification instruction, that is, how to determine whether rainfall occurs, and how to determine whether the rainfall is first rain or middle and later rain in the rainfall period, and a determination manner in the prior art may be adopted, so long as the determination manner in the present invention is not limited any more, so long as a first identification instruction for characterizing that the rainfall is first rain in the rainfall period, and a second identification instruction for characterizing that the rainfall is first rain in the rainfall period, and a third identification instruction or a determination manner for characterizing that the rainfall is middle and later rain in the rainfall period can be achieved.
In this way, when the transmitter 8 receives the second identification command, it is transmitted to the controller 9, and the controller 9 executes the control command for switching the hydraulic switch. Finally, the diversion of rain and sewage and the regulation and storage of the primary rain are realized, the treatment pressure of the treatment facility in the rainfall period is reduced, the working state of overload operation of the treatment facility is lightened, the service life of the treatment facility is prolonged, and the technical effect of replenishing the water level in the natural water body in the non-rainfall period is achieved.
In the embodiment of the present invention, the first rain regulation facility 5 is a depression or a pond in a unit area or a reservoir provided in the unit area.
In the embodiment of the invention, the online treatment facility 11 is a biological retention pond, a biological filter, a physicochemical treatment facility, a biochemical treatment facility, an oxidation pond or an artificial wetland.
In an embodiment of the present invention, the apparatus further includes: and the reflux branch pipe 10 is communicated with the primary rain regulation facility 5 and is used for recycling reclaimed water of supernatant fluid in the primary rain regulation facility.
Example two
With continued reference to fig. 3, based on the same inventive concept, a second embodiment of the present invention provides a treatment apparatus having a shutoff facility, for a municipal combined pipe, the municipal combined pipe including a municipal combined pipe, the apparatus comprising: a closure facility 13, a confluence branch pipe 1, a sewage branch pipe 2, a rain inlet 3, a first diversion facility 4, a second diversion facility 7 and a primary rain regulation facility 5; the converging branch pipe 1 is respectively communicated with the sewage branch pipe 2 and the rain water inlet 3, the intercepting facility 13 is arranged between the converging branch pipe 1 and the sewage branch pipe 2, and the intercepting facility 13 is used for intercepting sewage in the sewage branch pipe 2 in a rainfall period; the first diversion facility 4 is respectively communicated with the converging branch pipe 1 and the municipal converging pipe 6 and is positioned at the downstream direction of the converging branch pipe 1; the first rain regulation facility 5 is communicated with the first diversion facility 4; the second diversion facilities 7 are respectively communicated with an on-line treatment facility 11 and a sewage treatment facility 12 and are positioned at the downstream direction of the municipal administration shunt pipe 6;
The intercepting facility intercepts sewage in the sewage branch pipe in a rainfall period, the first diversion facility diverts primary rain conveyed in the converging branch pipe to the primary rain regulation facility for storage, and the first diversion facility diverts middle-stage and later-stage rain conveyed in the converging branch pipe to an online treatment facility for treatment through the second diversion facility; and in the non-rainfall period, the first diversion facility, the municipal diversion pipe and the second diversion facility are sequentially used for diversion of the primary rain in the primary rain regulation facility to the on-line treatment facility for treatment, and in the non-rainfall period, the interception facility is used for discharging sewage in the sewage branch pipe, and the sewage sequentially passes through the confluence branch pipe, the first diversion facility, the municipal diversion pipe and the second diversion facility for diversion to the sewage treatment facility for treatment.
In a second embodiment of the present invention, the method further includes: the first water conservancy switch is arranged at a water outlet of the first diversion facility, which leads to the direction of the municipal confluence pipe; the second water conservancy switch is arranged at a water outlet of the first diversion facility, which leads to the direction of the primary rain regulation facility; and the third water conservancy switch is arranged at a water outlet of the intercepting facility, which leads to the direction of the converging branch pipe.
In a second embodiment of the present invention, the apparatus further includes: a transmitter for receiving an identification instruction of a current time period, the identification instruction comprising one of: a first identification instruction for characterizing a non-rainfall period, a second identification instruction for characterizing a first rain of the rainfall period, and a third identification instruction for characterizing a middle and late rain of the rainfall period; the controller is respectively in communication connection with the transmitter, the first water conservancy switch, the second water conservancy switch and the third water conservancy switch, the controller comprises a memory and a processor, wherein the memory stores a computer program, and the program can realize the following steps when being executed by the processor:
Receiving an identification instruction sent by the transmitter; according to the identification instruction, switching the opening and closing of the first water conservancy switch, the second water conservancy switch and the third water conservancy switch, wherein the switching specifically comprises:
When the identification instruction is a first identification instruction, respectively controlling the first water conservancy switch to be turned on and the second water conservancy switch to be turned on, so that the initial rain is split to the online treatment facility through the first splitting facility, the municipal merging pipe and the second splitting facility in sequence; or the first water conservancy switch is controlled to be turned on, the second water conservancy switch is controlled to be turned off, and the third water conservancy switch is controlled to be turned on, so that the sewage is sequentially shunted to the sewage treatment facility for treatment through the first shunting facility, the municipal administration shunt pipe and the second shunting facility; when the identification instruction is a non-first identification instruction, the third water conservancy switch is controlled to be closed; when the identification instruction is a second identification instruction, the first water conservancy switch is controlled to be closed, and the second water conservancy switch is controlled to be opened, so that the primary rain in the confluence branch pipe is shunted to the primary rain regulation and storage facility for storage through the first shunting facility; when the identification instruction is a third identification instruction, the first water conservancy switch is controlled to be turned on, and the second water conservancy switch is controlled to be turned off, so that the middle-stage and later-stage rain in the converging branch pipe sequentially passes through the first diversion facility, the municipal converging pipe and the second diversion facility to be diverted to the on-line treatment facility and/or the sewage treatment facility for treatment.
Since the second embodiment is based on the same inventive concept as the first embodiment, the second embodiment forms a certain device structure in the first embodiment, and the specific structural parts of the device structure are identical to those of the same device structure in the first embodiment, and the details of the device structure in the second embodiment will not be described herein.
Finally it should be noted that while the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments will occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various modifications and variations can be made to the embodiments of the present invention without departing from the spirit or scope of the embodiments of the invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and the equivalents thereof, the present invention is also intended to include such modifications and variations.
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| CN207633469U (en) * | 2017-10-30 | 2018-07-20 | 武汉圣禹排水系统有限公司 | A kind of region fragment based on combined system pipe network is regulated and stored processing drainage system |
| KR101974616B1 (en) * | 2018-10-18 | 2019-05-03 | 주식회사 이지에버텍 | Device and method of controlling flow in intercepting facility for reducing nonpoint pollution |
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