A kind of municipal drainage system
Technical field
The present invention relates to a kind of municipal drainage system, especially relate to a kind of municipal drainage system of box culvert road.
Background technology
Due to the development of China's modernization, city size also expands gradually, and town road industry is constantly progress thereupon also, and this has established basis well for China becomes world-class power gradually.In the process of urbanization, town road is its important ingredient, and the quality of town road is the problem that municipal engineering are extremely paid close attention to.
In order to get through highway to the encirclement in city, separation, a large amount of box culvert roads is arranged, and becomes the inevitable choice that urban transportation facility is built.Box culvert road is the important component part in town road, is the important component part of urban road construction.Box culvert is a kind of culvert self built with reinforced concrete box shaped tube coupling, and it is little square or rectangular cross section forms by one or more, is normally formed by material manufactures such as steel concrete.
Meet suddenly rain cats and dogs time, be easy to ponding in box culvert road, if can not to find fast, fast processing, will traffic offences safety.Because box culvert road is lower than local municipal drainage system, for solving this potential safety hazard, the drainage works that lift pump room bears this region must be built, the ponding in box culvert passage is promoted to municipal drainage pipeline, allow rain sewage flow into municipal drainage pipe network along perfect drainage system.
In prior art, 201410066184.1 patent of invention propose a kind of road automatic drain system, it is by arranging multiple stage water pump for the collecting-tank of box culvert road, according to the use of the ponding speed determination draining water pump of collecting-tank, thus realizes the real-time discharge for the ponding of collecting-tank.But, in this invention, causing ponding excessive velocities to tackle extra torrential rain, needing to arrange multiple stage water pump, thus need higher equipment and maintenance cost; Further, because most of heavy rain only needs a water pump to process, all the other water pump mosts of the time are in idle condition, cause waste.
Summary of the invention
The invention provides a kind of municipal drainage system, for the draining of box culvert road, it can avoid above-mentioned defect of the prior art, makes full use of water pump resource.
As one aspect of the present invention, provide a kind of municipal drainage system, comprise multiple collecting-tank, described multiple collecting-tank is arranged at different box culvert near roads, and its level height is lower than box culvert road; Multiple drainage channel, it is communicated with each collecting-tank and each box culvert road respectively, for each box culvert road ponding is directed to each collecting-tank; Each collecting-tank arranges a water pump, and the water pump in described collecting-tank can be delivered to municipal drainage pipeline by described water pump; Also comprise the first portable water pump, described first portable water pump can move in a collecting-tank in multiple collecting-tank, and the water pump in this collecting-tank is delivered to municipal drainage pipeline.
Preferably, the water level in described collecting-tank is divided into the first water level H1 and the second water level H2, and described first water level is alarm water level, and described second water level is warning line.
Preferably, the pump-out of described portable water pump is set to s=N(L2-L1)/t, wherein N is the number of described collecting-tank, L2 catchments when being warning line H2 the volume of pool inner water, L1 is the volume of the pool inner water that catchments described in during alarm water level H1, and t moves to from a collecting-tank average time that another collecting-tank spends for described portable water pump.
Preferably, also comprise the second portable water pump, described second portable water pump is reserve pump, and its displacement equals collecting-tank water pump.
Preferably, when specific collecting-tank water pump breaks down, described second portable water pump moves to this collecting-tank, for the pumping of this collecting-tank internal water accumulation.
Preferably, described first portable water pump and the second portable water pump are arranged at the position of centre of gravity in the described all places of multiple collecting-tank.
Preferably, in each collecting-tank described, floodometer is set, monitors water level conditions in each collecting-tank in real time by United Dispatching system; When water level in specific collecting-tank is higher than the first water level, the water pump that described United Dispatching system starts this collecting-tank carries out draining.
Preferably, when water level in specific collecting-tank is lower than the first water level, but the ponding water intake velocity in this collecting-tank be greater than this collecting-tank water pump appraise and decide drainage speed, then described United Dispatching system starts this collecting-tank water pump and carries out draining.
Preferably, described United Dispatching system also carries out communication with weather monitoring forecast system, receives the meteorological information time of the duration of rainfall detecting forecast; If when water level in specific collecting-tank is lower than the first water level, but what the ponding water intake velocity in this collecting-tank was greater than this collecting-tank water pump appraises and decides drainage speed, then according to the ponding water intake velocity in this collecting-tank and judge whether the water level within this duration in this collecting-tank can higher than the first water level the time of the duration of rainfall; Can higher than the first water level if judged, then described United Dispatching system starts this collecting-tank water pump and carries out draining; Can not higher than the first water level if judged, then described United Dispatching system does not start this collecting-tank water pump and carries out draining.
Preferably, when water level in specific collecting-tank is higher than warning line, described in described United Dispatching Systematical control, the first portable water pump moves to this collecting-tank, for the pumping of this collecting-tank ponding.
Preferably, if water level is higher than warning line in multiple collecting-tank, described United Dispatching system calculates the warning degree of each collecting-tank by following formula, C=(L-Li)/(Vi-V)-ti, wherein L is water collecting pool volume, and Li is this collecting-tank internal water accumulation volume, and Vi is the ponding water intake velocity of this collecting-tank, V is this collecting-tank pumping drainage speed, and ti is that described first portable water pump moves to this collecting-tank required time; First portable water pump described in described United Dispatching Systematical control moves to the minimum collecting-tank of C value and carries out draining.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the embodiment of the present invention.
Detailed description of the invention
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The municipal drainage system of embodiments of the invention, see Fig. 1, for the many groups box culvert road 10 within the scope of specific region, is divided into a region sheet.Each box culvert road 10 arranges collecting-tank 20, and the level height of collecting-tank 20 is lower than box culvert road 10, and it is communicated with box culvert road 10 by drainage channel, and the ponding when rainfall on box culvert road 10 flows into collecting-tank 20 by drainage channel.Collecting-tank 20 arranges a water pump 30, and the water pump in collecting-tank 20 can be delivered to municipal drainage pipeline 40 by water pump 30.Water pump 30 can use internal combustion engine or from neighbouring electrical network power taking as power supply.
In collecting-tank 20, floodometer is set, for the ponding situation in real-time measuring set pond 20, sonac can be used as the floodometer of collecting-tank 20.Collecting-tank 20 arranges alarm water level and warning line, and United Dispatching system 60 monitors the water level conditions of collecting-tank 20 in real time, carries out the control of water pump according to the water level conditions of collecting-tank 20.Can be set to, when water level in specific collecting-tank is higher than alarm water level, the water pump that United Dispatching system 60 starts this collecting-tank carries out draining.
Preferably, the collecting-tank water level caused in order to avoid unexpected heavy rain goes up fast, can be set to, when water level in specific collecting-tank is lower than alarm water level, but the ponding water intake velocity in this collecting-tank be greater than this collecting-tank water pump appraise and decide drainage speed time, United Dispatching system 60 starts this collecting-tank water pump and carries out draining.Preferred, United Dispatching system also carries out communication with weather monitoring forecast system, receives the meteorological information time of the duration of rainfall detecting forecast; If when water level in specific collecting-tank is lower than the first water level, but what the ponding water intake velocity in this collecting-tank was greater than this collecting-tank water pump appraises and decides drainage speed, then according to the ponding water intake velocity in this collecting-tank and judge whether the water level within this duration in this collecting-tank can higher than the first water level the time of the duration of rainfall; Can higher than the first water level if judged, then United Dispatching system 60 starts this collecting-tank water pump and carries out draining; Can not higher than the first water level if judged, then United Dispatching system 60 does not start this collecting-tank water pump and carries out draining.
Municipal drainage system also comprises the portable water pump 50 of the first portable water pump 50, first can move to any one collecting-tank 20, for the water collecting pump in this collecting-tank 20 is delivered to municipal drainage pipeline 40.Road transport vehicle can be used as the bogey of portable water pump, use vehicle self-carrying internal combustion engine or independently internal combustion engine as the power supply of the first portable water pump 50.Preferably, the first portable water pump can be arranged on the position of centre of gravity in all regions of collecting-tank 20, thus each collecting-tank 20 can be arrived as early as possible when needed.When water level in specific collecting-tank is higher than warning line, United Dispatching system 60 controls the first portable water pump 50 and moves to this collecting-tank, for the pumping of this collecting-tank ponding.
Because the first portable water pump 50 is for the supplementary pumping of the collecting-tank in whole region, need it to have higher drainage speed, and the larger water pump cost of drainage speed is higher.Preferably, the drainage speed of described first portable water pump is set to s=N(L2-L1)/t, wherein N is the number of described collecting-tank, L2 catchments when being warning line H2 the volume of pool inner water, L1 is the volume of the pool inner water that catchments described in during alarm water level H1, and t moves to from a collecting-tank average time that another collecting-tank spends for described portable water pump.
Preferably, if water level is higher than warning line in multiple collecting-tank, United Dispatching system 60 calculates the warning degree of each collecting-tank by following formula, C=(L-Li)/(Vi-V)-ti, wherein L is water collecting pool volume, and Li is this collecting-tank internal water accumulation volume, and Vi is the ponding water intake velocity of this collecting-tank, V is this collecting-tank pumping drainage speed, and ti is that described first portable water pump 50 moves to this collecting-tank required time; United Dispatching system 60 control is stated the first portable water pump 50 and is moved to the minimum collecting-tank of C value and carry out draining.
Preferably, in order to avoid breaking down at specific collecting-tank water pump, can arrange the portable water pump 70 of the second portable water pump 70, second is reserve pump, and its displacement equals collecting-tank water pump.When specific collecting-tank water pump breaks down, United Dispatching system 60 controls the second portable water pump 70 and moves to this collecting-tank, for the pumping of this collecting-tank internal water accumulation.
In above-described embodiment only for exemplary expression content of the present invention.In addition, those skilled in the art also can do other change in spirit of the present invention, as long as it does not depart from technique effect of the present invention.These changes done according to the present invention's spirit, all should be included within the present invention's scope required for protection.