A kind of folding door type flushing device for Drain pipe network
Technical field
The present invention relates to a kind of flushing dredging technology of municipal drainage field, especially relate to a kind of folding door type flushing device for Drain pipe network.
Background technology
After sewage flows into the gradient is little, caliber is larger main drain, pipe duct, box culvert from the large branch drain of the gradient, flow velocity reduces, and the silt carried in sewage and suspended solids very easily deposit, and cause the cross-section of river to reduce, the reduction of Cemented filling flow.The pollutant of this Outer Tube alluvial easily produces poisonous, harmful, corrosive gas, and toxic and harmful impacts environment, and corrosive gas causes corrosion to drainage pipe, affects the design service life of drainage pipe.If clear up pipeline alluvial not in time, not only will affect the normal operation in residents ' health and city, but also can environment pollution be caused.Therefore, drainage pipe desilting is the of crucial importance and hard work of of municipal sector.
Current domestic and international application mainly contains the methods such as high-pressure water jet desilting method, winch desilting method, artificial desilting method in the dredging method of drainage pipe.Existing said method is substantially all design for small-bore pipeline desilting, some technology cost of labor is high, and there is potential safety hazard, some technology is not suitable for applying in big-diameter pipeline, pipe duct, box culvert, some technology takes up room large at large-caliber drainage pipeline, pipe duct, box culvert when installing, have that running cost is too high, desilting scarce capacity, there is secondary pollution and can not adapt to the limitation such as MODEL OVER COMPLEX TOPOGRAPHY during operation.
Chinese patent CN 103806525 A discloses a kind of gate-type for storm detention tank from flusher: comprise a storm detention tank, the plane of storm detention tank is rectangular, and be split into water storage chamber successively from left to right, gallery and catchment, rainwater water inlet pipe and outlet pipe is respectively equipped with in the side of catchment, in the bottom of catchment, one proof submersible sand discharging pump is installed, the discharge pipe of proof submersible sand discharging pump is communicated with outlet pipe, the partition of water storage chamber and gallery is provided with a flushing door, rinse when door is opened and can be communicated with water storage chamber and gallery in bottom, and on the top cover of water storage chamber upper end, be also provided with one for controlling to rinse the hydraulic control cabinet of door.But this gate-type needs the bottom rinsing object to transform from flusher, difficulty of construction is large, and maintenance difficulties is also larger.
Therefore, the science and technology research and development of this area and engineers and technicians be devoted to develop a kind of auto-flushing, structure simply, take up room little, cost performance is high, energy-conserving and environment-protective, flush efficiency are high and the operation maintenance collapsible pipe flushing door of drainage pipe, pipe duct, box culvert and method easily.
Summary of the invention
Object of the present invention be exactly in order to overcome above-mentioned prior art exist defect and a kind of folding door type flushing device for Drain pipe network is provided.
Object of the present invention can be achieved through the following technical solutions:
A kind of folding door type flushing device for Drain pipe network, described Drain pipe network comprises drainage pipe, described flushing device comprises interconnective collapsible pipe flushing door and driven unit, described collapsible pipe flushing door comprises the fixed support, folding rack and the flushing door that connect successively, described folding rack is connected with driven unit, and described fixed support is located at drainage pipe top;
During work, driven unit controls to rinse door by folding rack and closes to raise drainage pipe middle water level, when water level reaches flushing desired height, driven unit controls to rinse door by folding rack and opens, the water put aside in drainage pipe carries out flushing desilting to drainage pipe, described flushing device flushing water used is sewage, waste water or the rainwater that described drainage pipe is collected and carried, and the keying speed of described flushing door is at 3m ~ 8m/min.
Described folding rack comprises the first folding arm and the second folding arm, one end of described first folding arm is connected with support bracket fastened side, the other end is connected with flushing door, one end of described second folding arm is connected with support bracket fastened opposite side, the other end is slidably connected with flushing door, and described first folding arm is also connected with driven unit.
Described flushing door is provided with the guide rail slided for the second folding arm.
Described guide rail head end is located at flushing header, and tail end is provided with and rinses bottom door, and described first folding arm is connected to flushing header;
When flushing door is opened, the first folding arm and the second folding arm all upwards overturn, and the second folding arm slides into bottom flushing door along guide rail from rinsing header simultaneously, and then realizes rinsing opening of door.
Described first folding arm is provided with limit buckle with the junction rinsing door, and the head end of described guide rail is provided with limit buckle.
Described flushing door is arc, and this arc string is the top rinsing door, and arc is the bottom rinsing door, and described flushing outdoors edge is provided with waterproof sealing assembly.
Described flushing door is semicircle.
Described fixed support, folding rack, flushing door are stainless steel, sturdy and durable.
Described driven unit comprises automatic control unit, content gauge and the hydraulic pump connected successively, electromagnetic valve, hydraulic cylinder, described hydraulic cylinder is connected with folding rack, described content gauge is located in drainage pipe, and described automatic control unit is connected with hydraulic pump, electromagnetic valve and content gauge respectively.
Described automatic control unit, hydraulic pump, electromagnetic valve are all positioned at described drainage pipe outside and work independently room.
Described drainage pipe comprises main drain and branch drain, the output of described branch drain is connected with main drain, the head end of described main drain and the head end of branch drain are equipped with the flushing device rinsed for source, are provided with the flushing device rinsed for midway in the middle part of described main drain.
Described Drain pipe network also comprises pumping plant collecting well and received well, and the output of described main drain is connected with pumping plant collecting well, and described branch drain is connected with main drain by received well.
Described drainage pipe adopts the anticorrosive and smooth treatment in surface.
Compared with prior art, the present invention has the following advantages:
1) stop that the mode of retaining obtains wash water owing to have employed gate-type, therefore this equipment for the applicable caliber of drainage pipe that cleans and bottom gradient applied widely.
2) owing to being provided with the flushing device that midway is rinsed in the centre of Drain pipe network, therefore rinse desilting pipeline distance, relay can rinse long-distance pipe.
3) flushing water derives from drainage pipe, has saved water resource.
4) structure design of folding rack is exquisite, simple and practical, be easy to install, without the need to constructing bottom drainage pipe.
5) high strength, high performance percolation-proof black box improve the sealing between the flushing door of collapsible pipe flushing door and drainage pipe.
Accompanying drawing explanation
Fig. 1 is the present invention's collapsible pipe flushing door structural representation when closing;
Fig. 2 is the present invention's collapsible pipe flushing door structural representation when opening;
Fig. 3 is for rinsing door schematic diagram;
Fig. 4 is structural representation of the present invention;
Fig. 5 is laying, the connection diagram of the folding door type flushing device for Drain pipe network in an embodiment and Drain pipe network;
Wherein: 1, automatic control unit, 2, hydraulic pump, 3, electromagnetic valve, 4, hydraulic cylinder, 5, collapsible pipe flushing door, 6, fixed support, 7, guide rail, 8, door is rinsed, 9, content gauge, 10, drainage pipe, 11, limit buckle, 12, main drain, 13, branch drain, 14, received well, 15, pumping plant collecting well, 16, source flushing flushing device, 17, midway flushing flushing device, the 18, first folding arm, the 19, second folding arm.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.The present embodiment is implemented premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
A kind of folding door type flushing device for Drain pipe network, Drain pipe network comprises drainage pipe 10, as shown in Figure 4, flushing device comprises interconnective collapsible pipe flushing door 5 and driven unit, as depicted in figs. 1 and 2, collapsible pipe flushing door 5 comprises the fixed support 6, folding rack and the flushing door 8 that connect successively, and folding rack is connected with driven unit, and fixed support 6 is located at drainage pipe 10 napex;
During work, driven unit controls to rinse door 8 by folding rack and closes to raise drainage pipe 10 middle water level, when water level reaches flushing desired height, driven unit controls to rinse door 8 by folding rack and opens, in drainage pipe 10, the water of savings carries out flushing desilting to drainage pipe 10, flushing device flushing water used is sewage, waste water or the rainwater that drainage pipe 10 is collected and carried, and rinses the keying speed of door at 3m ~ 8m/min.
As depicted in figs. 1 and 2, folding rack comprises the first folding arm and the second folding arm, one end of first folding arm is connected with the side of fixed support 6, the other end is connected with flushing door 8, one end of second folding arm is connected with the opposite side of fixed support 6, the other end is slidably connected with flushing door 8, and the first folding arm is also connected with driven unit.
As shown in Figure 3, rinse door 8 and be provided with the guide rail 7 slided for the second folding arm.
Guide rail 7 head end is located at and is rinsed door 8 top, and tail end is provided with and rinses bottom door 8, and the first folding arm is connected to and rinses door 8 top;
When flushing door 8 is opened, the first folding arm and the second folding arm all upwards overturn, and the second folding arm rinses bottom door 8 top slide to flushing door 8 certainly along guide rail 7 simultaneously, and then realizes opening of flushing door 8.
First folding arm is provided with limit buckle with the junction rinsing door 8, and the head end of guide rail 7 is provided with limit buckle, and when rinsing closed condition, limit buckle can effectively prevent current from being washed open by flushing door 8.
It is arc for rinsing door 8, and this arc string is the top rinsing door 8, and arc is the bottom rinsing door 8, rinses door 8 outer rim and is provided with high strength, high performance waterproof sealing assembly.
It is semicircle for rinsing door 8, and after described flushing door 8 is closed, drainage pipe 10 can not be blocked because rinsing door 8 fault, ensured that the safety of drainage pipe 10 is unobstructed.
Fixed support 6, folding rack, flushing door 8 are stainless steel, sturdy and durable.
Driven unit comprises automatic control unit 1, content gauge 9 and the hydraulic pump 2 connected successively, electromagnetic valve 3, hydraulic cylinder 4, hydraulic cylinder 4 is connected with folding rack, drainage pipe 10 top is located at by content gauge 9, automatic control unit 1 is connected with hydraulic pump 2, electromagnetic valve 3 and content gauge 9 respectively, the keying of automatic control unit 1 automatic hydraulic control pump 2, electromagnetic valve 3 and hydraulic cylinder 4, play control flushing door 8 to pack up and relieving process, and the flushing desilting process of drainage pipe 10, wherein, content gauge 9 is ultrasonic level gage.
Automatic control unit 1, hydraulic pump 2, electromagnetic valve 3 are all positioned at drainage pipe 10 outside and work independently room, and the regular maintenance of flushing device only needs to safeguard hydraulic pump 2, electromagnetic valve 3, hydraulic cylinder 4 and black box.
Drainage pipe 10 comprises main drain 12 and branch drain 13, the output of branch drain 13 is connected with main drain 12, the head end of main drain 12 and the head end of branch drain 13 are equipped with the flushing device 16 rinsed for source, are provided with the flushing device 17 rinsed for midway in the middle part of main drain 12.
Drain pipe network also comprises pumping plant collecting well 15 and received well 14, and the output of main drain 12 is connected with pumping plant collecting well 15, and branch drain 13 is connected with main drain 12 by received well 14.
Drainage pipe 10 can further improve the cleaning erosion and deposition effect of flushing device after adopting surperficial anticorrosive and smooth treatment.
The above-mentioned folding door type flushing device for Drain pipe network comprises, and comprise heavy rain pattern, light rain pattern, preventative rinse mode and rinse mode four kinds of patterns routinely, wherein, heavy rain pattern comprises the following steps:
A. collapsible pipe flushing door 5 folding rack, rinse door 8 be collapsed state.
B., between great pluvial, drainage pipe 10 passes through sewage and the rainwater of collection, carries out flushing desilting to drainage pipe 10.
Light rain pattern comprises the following steps:
A. collapsible pipe flushing door 5 folding rack, rinse door 8 be collapsed state.
B. automatic control unit 1 hydraulic control pump 2, electromagnetic valve 3 and hydraulic cylinder 4 start, and folding rack, the flushing door 8 of hydraulic-drive folding formula pipe flushing door 5 are opened to and retain position.
C., between chota barsat, sewage and rainwater are rinsed door 8 and retain in drainage pipe 10.
D. when ultrasonic level gage 9 induction pipe water level reaches control flushing desilting water level, automatic control unit 1 hydraulic control pump 2, electromagnetic valve 3 and hydraulic cylinder 4 work, hydraulic-drive folding support, flushing door 8 to collapsed state.
E. the sewage accumulated in drainage pipe 10 and rainwater carry out flushing desilting to drainage pipe 10.
Preventative rinse mode comprises the following steps:
A. collapsible pipe flushing door 5 folding rack, rinse door 8 be collapsed state.
B. according to drainage pipe 10 deposit testing result, preventative rinse mode is started.
C. automatic control unit 1 hydraulic control pump 2, electromagnetic valve 2 and hydraulic cylinder 3 start, and folding rack, the flushing door 8 of hydraulic-drive folding formula pipe flushing door 5 are opened to and retain position.
D. sewage is rinsed door 8 and retains in drainage pipe 10.
E. when content gauge 9 induction pipe water level reaches preventative flushing desilting water level, automatic control unit 1 hydraulic control pump 2, electromagnetic valve 3 and hydraulic cylinder 4 work, hydraulic-drive folding support, flushing door 8 to collapsed state.
F. in drainage pipe 10, the sewage of accumulation carries out flushing desilting to drainage pipe 10.
Flushing device flow shear needed for preventative flushing desilting is 3N/m
2.
Rinse mode comprises the following steps routinely:
A. collapsible pipe flushing door 5 folding rack, rinse door 8 be collapsed state.
B. according to the flushing cycle routinely of setting, automatic control unit 1 regularly hydraulic control pump 2, electromagnetic valve 3 and hydraulic cylinder 4 starts, and folding rack, the flushing door 8 of hydraulic-drive folding formula pipe flushing door 5 are opened to and retain position.
C. sewage is rinsed door 8 and retains in drainage pipe.
D. when content gauge 9 respond to impounded water levels reach routinely rinse mode water level time, automatic control unit 1 hydraulic control pump 2, electromagnetic valve 3 and hydraulic cylinder 4 work, and hydraulic-drive folding support, rinse door 8 to collapsed state.
E. in drainage pipe 10, the sewage of accumulation carries out flushing desilting to drainage pipe 10.
Flushing device required flow shear under rinse mode is routinely 5N/m
2.