CN107740485A - A kind of rain dirt part flow arrangement - Google Patents

A kind of rain dirt part flow arrangement Download PDF

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Publication number
CN107740485A
CN107740485A CN201710910819.5A CN201710910819A CN107740485A CN 107740485 A CN107740485 A CN 107740485A CN 201710910819 A CN201710910819 A CN 201710910819A CN 107740485 A CN107740485 A CN 107740485A
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CN
China
Prior art keywords
relay
gate valve
pipe
transition case
transition
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710910819.5A
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Chinese (zh)
Inventor
左召威
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Guangzhou Prudential Supervision Consulting Co Ltd
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Guangzhou Prudential Supervision Consulting Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Prudential Supervision Consulting Co Ltd filed Critical Guangzhou Prudential Supervision Consulting Co Ltd
Priority to CN201710910819.5A priority Critical patent/CN107740485A/en
Publication of CN107740485A publication Critical patent/CN107740485A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F1/00Methods, systems, or installations for draining-off sewage or storm water
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F3/00Sewer pipe-line systems
    • E03F3/02Arrangement of sewer pipe-lines or pipe-line systems
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/10Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/14Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates

Abstract

The invention discloses a kind of rain dirt part flow arrangement, its drip irrigation device is to include rainwater water inlet pipe and control circuit, the end of rainwater water inlet pipe is communicated with transition case, transition case is communicated with blow-off pipe and drainpipe, the first gate valve is provided with blow-off pipe, the second gate valve is provided with drainpipe, control circuit controls the closing of the first gate valve and the unlatching of the second gate valve according to the high water level in transition case;When water level in rainy transition at initial stage case is relatively low, control circuit controls the first gate valve to open, second gate valve is closed, the rainwater at the initial stage in transition case is arranged into municipal sewage pipe network through blow-off pipe, the rainwater of middle and later periods accumulates in transition case and raises water level, now control circuit controls the first gate valve to close, second gate valve is opened, the few middle and later periods rainwater of pollutant load is arranged into municipal Storm Sewer Network through drainpipe in transition case, reduce the high early-stage rainwater of pollutant concentration content to be discharged in river course through Storm Sewer Network, the situation for polluting river course.

Description

A kind of rain dirt part flow arrangement
Technical field
The present invention relates to sewage discharge field, more specifically, it relates to a kind of rain dirt part flow arrangement.
Background technology
The dirty shunting of rain, is a kind of run-off system, refers to separate rainwater and sewage, respectively with a pipeline, arranged Put or the blowdown mode of subsequent treatment.Rainwater can be exhausted directly to river course by Storm Sewer Network, and sewage needs to pass through sewage network After collection, it is sent to sewage treatment plant and is handled, water quality is discharged in river course again after reaching respective country or provincial standard, so may be used To prevent river course to be contaminated.
Due to relatively backward in terms of urban infrastructure construction before China, the source not to drainage pipeline according to water Set up separately, the drainage system of the form of a drainage pipeline, i.e. combined system is shared using rainwater and sewage.With economy Development and environmental consciousness enhancing, along with water resource is more and more precious, in order to preferably utilize various water resources, open Begin to implement rainwater and sewage respectively with the drainage pattern of a drainage pipeline, just cry rain dirty shunting.Because rainwater pollution is light, through undue After stream, city inland river can be directly discharged into, by natural sedimentation, you can as natural landscape water, can also be used as supply sprinkling The Municipal water of road, therefore rainwater flows into river by purification, buffering, can improve the utilization benefit of surface water.
Meanwhile allow sewage to be discharged into sewage network, and handled by sewage treatment plant, realize recycling sewage generated by making.Dirty point of rain Waste water collection rate can be accelerated after stream, wastewater treatment rate is improved, avoid sewage from polluting river course, underground water, hence it is evident that improve city City's water environment, moreover it is possible to reduce cost of sewage disposal, this is also a big benefit of the dirty shunting of rain.
, will be to river if being directly discharged to rainwater in river course through Storm Sewer Network because initial rainwater pollutant levels are high Road pollutes.
The content of the invention
It is an object of the invention to provide a kind of rain dirt part flow arrangement, has the rainwater at initial stage being discharged into municipal wastewater pipeline In, reduce the high early-stage rainwater of pollutant concentration content and be discharged to through Storm Sewer Network in river course, situation about being polluted to river course Advantage.
The present invention above-mentioned technical purpose technical scheme is that:A kind of rain dirt part flow arrangement, bag Rainwater water inlet pipe and control circuit are included, the end of the rainwater water inlet pipe is communicated with transition case, and the transition case is communicated with blowdown Pipe and drainpipe, the blow-off pipe connect with municipal sewage pipe network, and the drainpipe connects with municipal Storm Sewer Network, the blowdown The first gate valve is provided with pipe, the second gate valve is provided with the drainpipe, the control circuit is according to the Gao Shui in transition case Position and control the closing of the first gate valve and the unlatching of the second gate valve, the control circuit controls according to the low water level in transition case The unlatching of first gate valve and the closing of the second gate valve.
By using above-mentioned technical proposal, when rainy, rainwater enters in transition case through rainwater water inlet pipe, at this moment transition case In water level it is relatively low, control circuit controls the first gate valve to open, and the second gate valve is closed, and the rainwater at the initial stage in transition case is through blowdown Pipe is arranged into municipal sewage pipe network, is being rained to after a period of time, and the rainwater of middle and later periods accumulates in transition case and makes water level liter Height, the first gate valve of now control circuit control are closed, and the second gate valve is opened, the few middle and later periods rainwater of pollutant load in transition case Arranged through drainpipe into municipal Storm Sewer Network, reduce the high early-stage rainwater of pollutant concentration content and be discharged to river course through Storm Sewer Network In, situation about being polluted to river course.
Preferably, the control circuit includes liquid level sensor, switching tube, the first relay and the second relay, described The first YE for controlling it to open and close is provided with first gate valve, second gate valve is which is provided with for controlling The second YE of its keying is made, the liquid level sensor exports high water level letter in response to the high water level in transition case Number, the switching tube turns in response to high water level signal, and first relay and the second relay are in response to switching tube Turning on and act, the normally-closed contact of first relay is electrically connected between power supply and the valve opening end of the first YE, Its normally opened contact is electrically connected between power supply and the pass valve end of the first YE, the normally-closed contact electricity of second relay It is connected between power supply and the pass valve end of the second YE, its normally opened contact is electrically connected to power supply and the second YE Valve opening end between.
By using above-mentioned technical proposal, liquid level sensor detects to the water level of transition case, at rainy initial stage, mistake The water level crossed in case is relatively low, and switching tube shut-off, the first relay and the second relay are failure to actuate, and the normally closed of the first relay is touched Point closure, normally opened contact are disconnected, and the valve opening end connection power supply of the first YE, the first gate valve is opened, the second relay Normally opened contact is disconnected, normally-closed contact closure, and the pass valve end connection power supply of the second YE, the second gate valve is closed, transition case The rainwater at interior initial stage is arranged into municipal sewage pipe network through blow-off pipe, in the rainy middle and later periods, the water level rise in transition case, and liquid Level sensor output high water level signal turn on switching tube, the first relay and second actuating of relay, the first relay it is normal Closed contact is disconnected, normally opened contact closure, and the pass valve end connection power supply of the first YE, the first gate valve is closed, the second relay The normally opened contact closure of device, normally-closed contact are disconnected, and the valve opening end connection power supply of the second YE, the second gate valve is opened, mistake The few middle and later periods rainwater of pollutant load in case is crossed to arrange into municipal Storm Sewer Network through drainpipe.
Preferably, second relay is the time relay of on-delay.
By using above-mentioned technical proposal so that after switching tube conducting, the second relay is after the delay of a period of time Just act, so that the second gate valve is just opened after the delay of a period of time, reduce makes because rocking the water level in transition case The situation that the second gate valve constantly opens and closes is obtained, improves stability.
Preferably, the blow-off pipe is communicated in the bottom of transition case, and the drainpipe is communicated in the side wall of transition case, described The horizontal level of rainwater water inlet pipe is higher than drainpipe.
By using above-mentioned technical proposal, the bottom that blow-off pipe is communicated in transition case enables blow-off pipe more fully to discharge The pollutant in transition bottom portion, reduces the situation that pollutant is deposited in the bottom of transition case, and the horizontal level of rainwater water inlet pipe is high Reduce the rainwater during rainwater is arranged in drainpipe and situation about pouring in down a chimney occur.
Preferably, the bottom of the transition case is provided with division board between blow-off pipe and drainpipe, and the division board will Transition case is divided into preceding transition region and rear transition region, and the preceding transition region is close to rainwater water inlet pipe.
By using above-mentioned technical proposal, division board keeps off the rainwater at initial stage in preceding transition region, by the rainwater of early stage with Before the pollutant of carrying is isolated in transition region, the situation that pollutant enters drainpipe is reduced.
Preferably, the transition case is communicated with scum pipe in the bottom of rear transition region, and the bottom of the scum pipe is communicated in The front end of first gate valve.
By using above-mentioned technical proposal, scum pipe discharges into the pollutant accumulated in rear transition region in blow-off pipe, reduces Afterwards in transition region pollutant accumulation.
Preferably, the transition case is provided with waffle slab in the top vertical of division board.
By using above-mentioned technical proposal, waffle slab to enter rear transition region in rainwater filter, reduce volume compared with Big pollutant transition region after enters the situation of drainpipe.
Preferably, the transition case slides towards waffle slab in rear transition region and is provided with installing plate, is set on the installing plate Some inserted links coordinated with waffle slab grafting are equipped with, the installing plate is connected with direction of its court of driving closer or far from waffle slab The drive device of motion.
By using above-mentioned technical proposal, moved, made towards close to the direction of waffle slab using drive device drive installation plate Obtain inserted link to inject in waffle slab, the bottom of transition region before the larger pollutant of volume in waffle slab pushes will be adhered to, reduce net The blocked situation of panel, improves drainage efficiency.
Preferably, the drive device includes motor, screw mandrel, front limit switch, rear limit switch and the 3rd relay, institute State screw mandrel horizontal screw thread and be connected to installing plate, the screw mandrel drives its rotation by motor, and when the motor rotates forward, screw mandrel court makes peace Loading board rotates close to the direction of waffle slab, and the installing plate triggers front limit switch, the peace in inserted link and waffle slab grafting Loading board triggers rear limit switch when inserted link separates with waffle slab, and the coil tandem of the 3rd relay is in the first relay One normally-closed contact, the normally opened contact of the 3rd relay are closed with the rotating forward of controlled motor, the 3rd relay it is normal Closed contact is closed with the reversion of controlled motor.
By using above-mentioned technical proposal, after draining terminates, switching tube shut-off, the normally-closed contact of the first relay closes Close, the coil of the 3rd relay obtains electric, its normally opened contact closure, and rotates forward motor, and installing plate is in inserted link and waffle slab grafting When trigger front limit switch, motor stops, when switching tube turn on, the normally-closed contact disconnection of the first relay, the 3rd relay Coil losing electricity, its normally-closed contact closure, and make motor reversal, installing plate is spacing after being triggered when inserted link separates with waffle slab to be opened Close, motor stops, and realizes the driving to installing plate.
In summary, the invention has the advantages that:At the initial stage of row's rainwater, the first gate valve is opened, the second gate valve Close, the rainwater at pollutant load high initial stage is arranged into municipal sewage pipe network through blow-off pipe in transition case, is being rained to one section After time, the rainwater of middle and later periods is accumulated in transition case and raises water level, and the first gate valve is closed, and the second gate valve is opened, transition The few middle and later periods rainwater of pollutant load is arranged into municipal Storm Sewer Network through drainpipe in case, reduces pollutant concentration content height Early-stage rainwater be discharged to through Storm Sewer Network in river course, situation about being polluted to river course, and after draining terminates, the first gate valve Open, the second gate valve is closed, and installing plate moves towards close to the direction of waffle slab, and it is larger that inserted link will be adhered to volume in waffle slab The bottom of transition region before pollutant pushes, the blocked situation of waffle slab is reduced, improves drainage efficiency, is opened in the second gate valve When, installing plate moves towards the direction away from waffle slab, reduces the situation that obstruction is caused to waffle slab.
Brief description of the drawings
Fig. 1 is the structural representation of the present embodiment;
Fig. 2 is the schematic diagram inside transition case in the present embodiment;
Fig. 3 is the enlarged diagram of part A in Fig. 2;
Fig. 4 is the circuit connection diagram of liquid level sensor in the present embodiment;
Fig. 5 is the circuit connection diagram of the first YE and the second YE in the present embodiment;
Fig. 6 is the positive and negative rotation circuit schematic diagram of motor in the present embodiment.
Reference:1st, rainwater water inlet pipe;2nd, transition case;3rd, blow-off pipe;4th, drainpipe;5th, the first gate valve;6th, the second lock Valve;7th, liquid level sensor;8th, switching tube;9th, the first relay;10th, the second relay;11st, the first YE;12nd, second YE;13rd, division board;14th, preceding transition region;15th, rear transition region;16th, scum pipe;17th, waffle slab;18th, installing plate; 19th, inserted link;20th, motor;21st, screw mandrel;22nd, front limit switch;23rd, rear limit switch;24th, the 3rd relay;25th, slide rail.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art Member can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but as long as at this All protected in the right of invention by Patent Law.
A kind of rain dirt part flow arrangement, as shown in figure 1, including rainwater water inlet pipe 1 and transition case 2, rainwater water inlet pipe 1 is communicated in Multiple rainwater water inlet pipes 1 on road surface, the end of rainwater water inlet pipe 1 are communicated in the side of transition case 2, the bottom connection of transition case 2 There is blow-off pipe 3, the end of blow-off pipe 3 is communicated in municipal sewage pipe network, and transition case 2 is communicated with row in the offside of rainwater water inlet pipe 1 Water pipe 4, the end of drainpipe 4 are communicated in municipal Storm Sewer Network, and the first gate valve 5 is provided with blow-off pipe 3, is set on the first gate valve 5 The first YE 11 for controlling it to be turned on and off is equipped with, the second gate valve 6 is provided with drainpipe 4, is set on the second gate valve 6 It is equipped with the second YE 12 for controlling it to be turned on and off.
As shown in Fig. 2 the bottom of transition case 2 is fixedly installed division board 13, and transition case 2 is separated into by division board 13 Preceding transition region 14 and rear transition region 15, wherein preceding transition region 14 is located at division board 13 close to the side of rainwater water inlet pipe 1, blow-off pipe 3 top is communicated in preceding transition region 14, and drainpipe 4 is communicated in the side wall of transition case 2, the horizontal level of the rainwater water inlet pipe 1 Higher than drainpipe 4, the bottom that blow-off pipe 3 is communicated in transition case 2 enables blow-off pipe 3 more fully to discharge the bottom of transition case 2 Pollutant, reduces the situation that pollutant is deposited in the bottom of transition case 2, and the horizontal level of rainwater water inlet pipe 1 subtracts higher than drainpipe 4 Lack the rainwater during rainwater is arranged and situation about pouring in down a chimney occur.
Transition case 2 is communicated with scum pipe 16 in the bottom of rear transition region 15, and the bottom of scum pipe 16 is communicated in first The front end of gate valve 5, scum pipe 16 discharges into the pollutant accumulated in rear transition region 15 in blow-off pipe 3, after reduction in transition region 15 The accumulation of pollutant.
The bottom of the side of transition case 2 is provided with liquid level sensor 7, the water level of transition case 2 detected, in transition When water level in case 2 is higher than default high water level, the output switch amount in response to the high water level in transition case 2 of liquid level sensor 7 High water level signal.
With reference to Fig. 2 and Fig. 3, transition case 2 is provided with waffle slab 17 in the top vertical of division board 13, and waffle slab 17 is to entering The rainwater in transition region 15 is filtered afterwards, reduces the situation that the larger pollutant of volume transition region 15 after enters drainpipe 4, Transition case 2 rear transition region 15 towards waffle slab 17 slide be provided with installing plate 18, be provided with the installing plate 18 it is some with The inserted link 19 that the grafting of waffle slab 17 coordinates.
Transition case 2 is provided with slide rail 25 in the both sides of the glide direction of installing plate 18, and installing plate 18 is slidably connected to cunning Rail 25, slide rail 25 are oriented to the glide direction of installing plate 18, improve stability.
The top of installing plate 18 is threaded with screw mandrel 21, and horizontally toward installing plate 18 is set screw mandrel 21, and screw mandrel 21 Driven by the motor 20 at the top for being fixedly mounted on transition case 2, and when motor 20 rotates forward, screw mandrel 21 is towards making installing plate 18 close The direction of waffle slab 17 rotates.
Transition case 2 is provided with front limit switch 22 in installing plate 18 close to the side of waffle slab 17, and transition case 2 is in installing plate 18 sides away from waffle slab 17 are provided with rear limit switch 23, and installing plate 18 is in inserted link 19 and 17 grafting of waffle slab before triggering Limit switch 22, installing plate 18 trigger rear limit switch 23 when inserted link 19 separates with waffle slab 17.
As shown in figure 4, the output end of liquid level sensor 7 is electrically connected with switching tube 8, switching tube 8 is the triode of NPN type, The base stage of switching tube 8 is electrically connected to the output end of liquid level sensor 7, and is led in response to the high water level signal of liquid level sensor 7 Logical, the emitter stage of switching tube 8 is grounded through resistance R2, and the emitter stage of switching tube 8 is electrically connected with the coil K2's of the second relay 10 One end, the second relay 10 are the time relay of on-delay, and the other end of the second relay 10 is electrically connected with the first relay One end of device 9, the other end connection power supply of the first relay 9, power electric connection have the normally-closed contact K1-3's of the first relay 9 One end, the normally-closed contact K1-3 of the first relay 9 other end are electrically connected with the coil K3 of the 3rd relay 24 one end, and the 3rd The coil K3 of relay 24 other end is grounded through resistance R3.
As shown in figure 5, normally-closed contact K1-1 connection electricity of the valve opening end 3 of the first YE 11 through the first relay 9 Source, the first YE 11 close normally opened contact K1-2 connection power supply of the valve end 2 through the first relay 9, the second electronic execution Timing closing normally opened contact K2-1 connection power supply of the valve opening end 3 of device 12 through the second relay 10, the second YE 12 Close delay of the valve end 2 through the second relay 10 and disconnect normally-closed contact K2-2 connection power supplys.
As shown in fig. 6, the normally opened contact K3-1 of the 3rd relay 24 is electrically connected to the rotating forward loop of motor 20, the 3rd relay The normally-closed contact K3-2 of device 24 is electrically connected to the reversion loop of motor 20, and front limit switch 22 is serially connected with the normal of the 3rd relay 24 Contact K3-1 is opened, rear limit switch 23 is serially connected with the normally-closed contact K3-2 of the 3rd relay 24.
Specific work process:At rainy initial stage, the water level in transition case 2 is relatively low, and switching tube 8 turns off, the first relay 9 It is failure to actuate with the second relay 10, the normally-closed contact K1-1 closures of the first relay 9, normally opened contact K1-2 disconnects, the first electricity The valve opening end connection power supply of dynamic actuator 11, the first gate valve 5 are opened, and the timing closing normally opened contact K2-1 of the second relay 10 breaks Open, delay disconnects normally-closed contact K2-2 closures, the pass valve end connection power supply of the second YE 12, and the second gate valve 6 is closed, mistake The rainwater at the initial stage crossed in case 2 is through the row of blow-off pipe 3 into municipal sewage pipe network.
Raining to after a period of time, the rainwater of middle and later periods accumulates in transition case 2 and makes the water level liter in transition case 2 Height, liquid level sensor 7, which exports high water level signal, turns on switching tube 8, and the first relay 9 and the second relay 10 act, and first The normally-closed contact K1-1 of relay 9 disconnects, normally opened contact K1-2 closures, the pass valve end connection power supply of the first YE 11, First gate valve 5 is closed, and the second relay 10 just acts after the delay of a period of time, and after delay terminates, timing closing is normally opened to touch Point K2-1 disconnects, and delay disconnects normally-closed contact K2-2 and disconnected, the valve opening end connection power supply of the second YE 12, the second gate valve 6 open, and the few middle and later periods rainwater of pollutant load reduces pollution through the row of drainpipe 4 into municipal Storm Sewer Network in transition case 2 The high early-stage rainwater of thing levels is discharged in river course through Storm Sewer Network, situation about being polluted to river course, and the second gate valve 6 Just opened after the delay of a period of time, reduce and the second gate valve 6 is constantly opened and is closed because the water level in transition case 2 rocks Situation about closing, improve stability.
When the first relay 9 acts, its normally-closed contact K1-3 disconnects, and the normally opened contact K3-1 of the 3rd relay 24 breaks Open, normally-closed contact K3-2 closures, motor 20 inverts, and installing plate 18 triggers rear limit switch when inserted link 19 separates with waffle slab 17 23, motor 20 stops, and reduces the situation that obstruction is caused to waffle slab 17.
And after draining terminates, the water level in transition case 2 is reduced, and switching tube 8 is turned off, and the first gate valve 5 is opened, the second lock Valve 6 is closed, and the normally-closed contact K1-3 closures of the first relay 9, installing plate 18 move towards close to the direction of waffle slab 17, peace Loading board 18 triggers front limit switch 22 in inserted link 19 and 17 grafting of waffle slab, and motor 20 stops, and inserted link 19 will be adhered to grid The bottom of transition region 14 before the larger pollutant of volume pushes in plate 17, the blocked situation of waffle slab 17 is reduced, improves draining Efficiency.

Claims (9)

1. a kind of rain dirt part flow arrangement, it is characterized in that:Including rainwater water inlet pipe (1) and control circuit, the rainwater water inlet pipe (1) End be communicated with transition case (2), the transition case (2) is communicated with blow-off pipe (3) and drainpipe (4), the blow-off pipe (3) and Municipal sewage pipe network is connected, and the drainpipe (4) is connected with municipal Storm Sewer Network, and the first lock is provided with the blow-off pipe (3) Valve (5), is provided with the second gate valve (6) on the drainpipe (4), the control circuit according to the high water level in transition case (2) and The closing of the first gate valve (5) and the unlatching of the second gate valve (6) are controlled, the control circuit is according to the low water level in transition case (2) And control the unlatching of the first gate valve (5) and the closing of the second gate valve (6).
2. a kind of rain dirt part flow arrangement according to claim 1, it is characterized in that:The control circuit includes liquid level sensor (7), switching tube (8), the first relay (9) and the second relay (10), it is provided with first gate valve (5) for controlling it The first YE (11) opened and closed, it is second electronic for controlling it to open and close that second gate valve (6) is which is provided with Actuator (12), the liquid level sensor (7) exports high water level signal in response to the high water level in transition case (2), described to open Close pipe (8) to turn in response to high water level signal, first relay (9) and the second relay (10) are in response to switching tube (8) conducting and act, the normally-closed contact of first relay (9) is electrically connected to power supply and the first YE (11) Between valve opening end, its normally opened contact is electrically connected between power supply and the pass valve end of the first YE (11), described second after The normally-closed contact of electrical equipment (10) is electrically connected between power supply and the pass valve end of the second YE (12), and its normally opened contact is electrically connected It is connected between the valve opening end of power supply and the second YE (12).
3. a kind of rain dirt part flow arrangement according to claim 2, it is characterized in that:Second relay (10) is prolonged for energization When the time relay.
4. a kind of rain dirt part flow arrangement according to claim 2, it is characterized in that:The blow-off pipe (3) is communicated in transition case (2) bottom, the drainpipe (4) are communicated in the side wall of transition case (2), and the horizontal level of the rainwater water inlet pipe (1) is higher than Drainpipe (4).
5. a kind of rain dirt part flow arrangement according to claim 4, it is characterized in that:The bottom of the transition case (2) is in blowdown Division board (13) is provided between pipe (3) and drainpipe (4), transition case (2) is divided into preceding transition region by the division board (13) (14) and rear transition region (15), the preceding transition region (14) is close to rainwater water inlet pipe (1).
6. a kind of rain dirt part flow arrangement according to claim 4, it is characterized in that:The transition case (2) is in rear transition region (15) bottom is communicated with scum pipe (16), and the bottom of the scum pipe (16) is communicated in the front end of the first gate valve (5).
7. a kind of rain dirt part flow arrangement according to claim 5, it is characterized in that:The transition case (2) is in division board (13) Top vertical be provided with waffle slab (17).
8. a kind of rain dirt part flow arrangement according to claim 7, it is characterized in that:The transition case (2) is in rear transition region (15) slided towards waffle slab (17) and be provided with installing plate (18), some and waffle slab (17) is provided with the installing plate (18) The inserted link (19) that grafting coordinates, the installing plate (18) is connected with driving, and it is moved towards the direction closer or far from waffle slab (17) Drive device.
9. a kind of rain dirt part flow arrangement according to claim 8, it is characterized in that:The drive device include motor (20), Screw mandrel (21), front limit switch (22), rear limit switch (23) and the 3rd relay (24), screw mandrel (21) horizontal screw thread connect Installing plate (18) is connected to, the screw mandrel (21) drives its rotation by motor (20), when the motor (20) rotates forward, screw mandrel (21) court Installing plate (18) is set to be rotated close to the direction of waffle slab (17), the installing plate (18) is in inserted link (19) and waffle slab (17) grafting When trigger front limit switch (22), the installing plate (18) triggers rear limit switch when inserted link (19) separates with waffle slab (17) (23), the coil tandem of the 3rd relay (24) is in a normally-closed contact of the first relay (9), the 3rd relay (24) normally opened contact closes to be closed to control with the rotating forward of controlled motor (20), the normally-closed contact of the 3rd relay (24) The reversion of motor (20).
CN201710910819.5A 2017-09-29 2017-09-29 A kind of rain dirt part flow arrangement Pending CN107740485A (en)

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CN111705888A (en) * 2020-06-05 2020-09-25 常州市市政工程设计研究院有限公司 Rain and sewage diversion system for separating initial rainwater from later rainwater

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