CN106988400A - It is a kind of keep off it is damp, anti-blocking, maintenance it is convenient, can sand washing desilting hondo formula closure works system and method - Google Patents
It is a kind of keep off it is damp, anti-blocking, maintenance it is convenient, can sand washing desilting hondo formula closure works system and method Download PDFInfo
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- 238000005406 washing Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000010865 sewage Substances 0.000 claims abstract description 105
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 77
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- 230000008439 repair process Effects 0.000 claims abstract description 9
- 239000008239 natural water Substances 0.000 claims description 10
- 238000011144 upstream manufacturing Methods 0.000 claims description 10
- 238000007689 inspection Methods 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 4
- 238000009991 scouring Methods 0.000 claims description 4
- 229910000906 Bronze Inorganic materials 0.000 claims description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 3
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 239000010974 bronze Substances 0.000 claims description 3
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- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 3
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- 241000256113 Culicidae Species 0.000 description 2
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/101—Dedicated additional structures, interposed or parallel to the sewer system
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/102—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins using already existing parts of the sewer system for runoff-regulation
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/02—Shut-off devices
-
- 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
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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 invention discloses it is a kind of keep off it is damp, anti-blocking, maintenance it is convenient, can sand washing desilting hondo formula closure works system and method.Closure works system of the present invention builds a Vatch basin, including a water inlet, a discharge outlet and a barricade；Dam mouth provided with a sewage between barricade and water inlet, sewage, which dams, is provided with inlet gate before mouth, and sewage enters sewage disposal system after damming by inlet gate；Barricade bottom is provided with an at least lock hole, and top is provided with an at least spout hole, and lock hole is provided with the gate that dams, and shutoff gate is provided with liquid level gauge afterwards in front of the door；Between barricade and discharge outlet, it is separated into by barricade at least one independent lock chamber, lock chamber and is provided with gate examination and repair system, it is convenient to overhaul.The invention also discloses a kind of closure method, according to the Liquid level gate opening/closing of monitoring, dam fine day sewage and early-stage rainwater, pipe culvert sand washing desilting is carried out using current, effectively stop torrent, realize few ponding, hondo in pipe culvert, lifting urban water environmental quality and sanitary condition.
Description
Technical field
The present invention relates to it is a kind of keep off it is damp, anti-blocking, maintenance it is convenient, can sand washing desilting hondo formula closure works system and method, especially
It is that the closure works system administered is collected in combined flow system system end, belongs to municipal communal facility field.
Background technology
Chinese city drainage system passes through the construction of decades, and majority city has formd more perfect separate system at present
Drainage system.But it is due to historical reasons, still has part " villages within the city " and the dirt shunting of old town rain not thorough, and due to balcony row
Water, pipeline misconnection are chaotic or lack the reasons such as necessary maintenance and sewage collection system imperfection, cause sewage to enter raintank
The phenomenon of culvert is still very universal.At rainfall initial stage of rainy day, air, earth's surface and road flushing water etc. carry organic matter, nitrogen, phosphorus etc.
Pollutant enters rainwater box culvert by rainwater.According to investigations, the pollutant concentration in early-stage rainwater is even dirty far above urban life
Water.These sewage enter the natural waters, the city surface source pollution caused, to the water ring in city such as rivers,lakes and seas by rainwater box culvert
Border quality is affected greatly.But, the complete improvement project of sewerage system is complicated, and enforcement difficulty is big, and investment is high, lasts
It is long, urban transportation can be caused more to have a strong impact on, it is impossible to alleviate water pollution situation in a short time.
The problem of for the solution above, a variety of sewage scheme of river closure and measure were researched and developed and implemented in various regions in recent years：It is Chinese special
Sharp document CN102808447A is disclosed transfers early-stage rainwater by cutting dirty pipe concentration, and the dry flow sewage dammed is cut at sewage
Reason factory, rainwater, which are cut, enters the method for pipe of regulating and storing；Chinese patent literature CN203188340U is disclosed under shutoff type comprehensive draining system
Sewerage system, the method that the sewage and the rainwater of interception ratio in storm sewer are discharged to sewage treatment plant；It is Chinese special
Sharp document CN203200889U is disclosed rain pipe and early-stage rainwater pipe height arrangement straggly, and early-stage rainwater directly passes through initial stage
Rain pipe flows to sewage disposal system, the method that later stage rainwater is then discharged by rain pipe；Chinese patent literature
CN102505749A discloses Combined sewer system and staggered the time flow-dividing control unit, by sanitary sewage and heavy rain rainwater in combined system
Implement shunting of staggering the time in pipe network；Chinese patent literature CN203569619U, which is disclosed, collects early-stage rainwater, fine day misconnection sewage
Short tube closure works system, sewage and early-stage rainwater enter the method for the main that dams by Vatch basin, the short tube that dams；Chinese patent literature
CN101967841A, which is disclosed, sets up float control room and main abandoned stream room in inlet for stom water both sides, is realized just in municipal network system
The method that phase rainwater dams.
Damming for fine day sewage and rainy day early-stage rainwater can be realized in above-mentioned published method substantially, but also exist with
Lower problem fails to solve：(1) Sources controlling is used, i.e., closure works system, this method are set on rainwater-collecting mouthful or storm sewer
Many places closure works system need to be built, and the corresponding pipeline that dams of laying is longer, investment is big, and construction content is more, long in time limit；(2) draining system
There is a large amount of silt particles and rubbish in system, in the prior art, closure works system is not provided with sand removal, anti-blocking facility, easily causes drainage system
Block, or the gate that causes to dam is the problems such as can not close, and need to carry out artificial sand removal, on the one hand influence drainage system flood control and drainage energy
Power, on the other hand influences the Function that dams；(3) do not consider natural water pour in down a chimney, leakage problems, especially on coastal cities or ground
Gesture lower ground area, the positions that majority dams a little are separated by relatively closely with seashore or downstream water, and the ttom of pipe elevation of rainwater box culvert is less than
Average sea tidal level or the level of tail water, are easily submerged when water level rises, and water enters closure works system and sewage disposal system, Yi Zao
Into line equipment corrosion, the normal operation of sewage disposal is influenceed；(4) system constitutes complexity, and control mode is cumbersome, and gate opening is not
Stable, once equipment component failure, need to close down closure works system, influence system is dammed the normal operation of function.Therefore, how existing
Have and simply transformed on the basis of drainage system, not influence the flood discharge capacity of original drainage system as principle, research one kind can
Effectively stop tide, prevent seawater seepage, sand removal effect is good, safe and reliable, easy access closure works system, with significant
Realistic meaning.
The content of the invention
Present invention is generally directed to the limitation of existing fine day sewage and the stopped flow technique of rainy day early-stage rainwater, original is not being influenceed
Have on the basis of drainage system flood discharge capacity, collected and administered by end, existing drainage system is simply transformed, propose one
Kind tide can be effectively kept off, prevent downstream water from pouring in down a chimney, seepage, sand washing dredging effect is good, safe and reliable, easy access, rainwater can be achieved
The closure works system of pipe culvert hondo.
To achieve the above object, technical scheme is as follows：
Technical scheme one：
It is a kind of keep off it is damp, anti-blocking, maintenance it is convenient, can sand washing desilting hondo formula closure works system, it includes：
One Vatch basin structures, have in Vatch basin structures one with the water inlet of Sewage pollution collecting hanging basket end insertion, one with from
The discharge outlet of right water body insertion, the horizontal barricade being laterally located at together between water inlet and discharge outlet；The horizontal barricade is with entering
Vatch basin structures side inner wall lower between the mouth of a river dams mouth provided with a sewage, and the sewage mouthful ttom of pipe elevation that dams is less than
Bottom elevation in Sewage pollution collecting hanging basket；Sewage, which dams, is provided with inlet gate before mouth, and sewage dams after mouth with extending to damming for sewage pumping station
Main is connected；The horizontal barricade bottom is provided with an at least lock hole, and top is provided with an at least spout hole, spout hole bottom elevation
Higher than mean high water water level or the level of tail water；The lock hole is provided with the gate that dams, and shutoff gate is provided with liquid level gauge afterwards in front of the door；It is described
The elevation at gate bottom of damming is not less than water inlet ttom of pipe elevation；Between the horizontal barricade and discharge outlet, by barricade be separated into
The side of horizontal barricade is to be provided with the outlet of gate, spout hole of damming, independent lock chamber in few one independent lock chamber, independent lock chamber
Gate examination and repair system.
And, a torch dual-purpose intelligent control unit, its liquid level monitored according to liquid level gauge come control inlet gate and cut
Flow the keying of gate.
One in the present invention is preferable to carry out in case, and the gate that dams, spout hole are identical with independent lock chamber quantity, each
Independent lock chamber sets one and dammed gate, a spout hole and a gate examination and repair system.
One in the present invention is preferable to carry out in case, the Vatch basin structures bottom between the barricade and water inlet, edge
Sewage dams mouthful direction provided with certain slope, the gradient>0.2%；The sewage dams mouthful ttom of pipe elevation less than bottom in Sewage pollution collecting hanging basket
Elevation, it is ensured that sewage flows to sewage because of gravity, along gradient direction and dammed mouth, so as to be trapped to sewage disposal system.
One in the present invention is preferable to carry out in case, and the inlet gate front end is provided with one of fixed artificial grid, lattice
Grid pitch is 5-10cm, can effectively stop that the bulk rubbish such as wood, fragment of brick enters sewage disposal system, protection subsequent technique is set
Apply.
One in the present invention is preferable to carry out in case, and the effective area in the lock hole breaks not less than the water of crossing of former Sewage pollution collecting hanging basket
Face area, it is ensured that do not influence the original flood discharge capacity of drainage system；Spout hole bottom elevation higher than mean high water water level or under
Swimming position, prevents downstream water pours in down a chimney from entering closure works system.
One in the present invention is preferable to carry out in case, and the gate that dams is installed on unfavorable conditions water (flow) direction, that is, sluices
The smaller side of amount；The gate that dams is installed using 316L stainless steels or Nodular cast iron material, wall-attachment, its seal receptacle and voussoir
It is made of cast tin bronze, sealing leak amount<1.25L/min·m.
One in the present invention is preferable to carry out in case, and the elevation for damming gate bottom is not less than water inlet ttom of pipe elevation；
Shutoff gate in front of the door after bottom be each provided with a product sandpit, product sandpit clear height >=0.5m, and dam gate lower edge with product sandpit
Along the distance for staying 0.2-0.5m, it is to avoid the hard thing of bulk props up gate and causes device damage, it is ensured that gate opening/closing safety.
One in the present invention is preferable to carry out in case, and the gate examination and repair system includes bulkhead gate, gate guide and inspection
Equating platform, the gate guide is on the inwall of lock chamber both sides；The inspection platform is located above lock chamber, and handling is played provided with gate
Defeated device；The bulkhead gate is stop log gate, and day is standing on inspection platform, is installed in gate guide and uses in maintenance.
Technical scheme two：
It is a kind of keep off damp, anti-blocking, maintenance it is convenient, can sand washing desilting hondo formula closure method, including following content：
6) in fine day, inlet gate is opened, and dam closing gate, and the sewage in Sewage pollution collecting hanging basket is entered by inlet gate
Depth of water reduction in follow-up sewage disposal system processing, Sewage pollution collecting hanging basket, makes the depth of water in closure works system 50m upstream Sewage pollution collecting hanging basket
≤30cm；；
7) in rainy season, rainfall inlet gate at initial stage is opened, and dam closing gate, and the early-stage rainwater in Sewage pollution collecting hanging basket is by entering
Sluice gate is kept off into the processing of follow-up sewage disposal system, natural water by shutoff gate gate resistance, does not enter closure works system；Will be in one section
After time, monitored through liquid level gauge, when water level is higher than arranges value in Vatch basin, system automatic control control inlet gate is closed, shutoff gate
Door is opened, and rainwater is discharged into natural water by lock hole, prevents Sewage pollution collecting hanging basket overflow；Rainfall stop after, monitored through liquid level gauge, when cut
When water level is less than arranges value in stream well, system automatically controls inlet gate unlatching, and dam closing gate, the sewage in Sewage pollution collecting hanging basket
Or rainwater then enters sewage disposal system again by inlet gate；
8) gate that dams breaks down when failing to open, rainwater by the spout hole above tidal gate, overflow enter from
Right water body, ensures the normal flood passage function of drainage system；
9), will by the gate lifting conveyer of inspection platform when gate trouble hunting or the progress regular maintenance of damming
Bulkhead gate is arranged in gate guide, and well servicing under an anhydrous space for maintenance, technical staff is formed in Vatch basin；
10) during Sewage pollution collecting hanging basket sand washing desilting, switching closure works system is manual state of a control, keeps inlet gate, shutoff gate
Door is closed, and by rainwater storage until the depth of water is the 1/2-2/3 of caliber in pipe culvert, unlatching is dammed gate, utilizes upstream water pressure
With the scouring capability of water, and hydraulics unobstructed in pipe culvert, water velocity >=0.5m/s is realized, is made apart from closure works system
Mud depth≤30cm in 50m upstream Sewage pollution collecting hanging basket, drain off floodwaters exit or entrance of a clitch concentration of hydrogen sulfide≤0.3ppm, realizes Sewage pollution collecting hanging basket sand washing
Desilting, reduces odor unit.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, the closure works system ties up to original Sewage pollution collecting hanging basket end implementation engineering construction, and engineering construction content is few, small investment, work
Phase is short.
2nd, the closure works system cuts dirty thorough, and the complete of early-stage rainwater dams when realizing fine day sewage and rainy season, it is ensured that sewage
Natural water is not discharged into early-stage rainwater, urban water environmental quality is improved.
3rd, the system increases the former drainage system cross-section of river, Urban Flood control water drainage ability is improved.
4th, cut-off equipment can realize Sewage pollution collecting hanging basket, few ponding, hondo in tidal channel, prevent traditional closure works system because of swelling
The foul smell that water and anaerobism are produced, effectively controls mosquitos and flies and grows environment, lift urban health condition.
5th, because maintainer can be overhauled and regular maintenance into closure works system, and do not influence to dam function just
Often operation, improves the security of sewerage system, and reduction " road trap " phenomenon occurs.
6th, by rainwater storage in closure works system and Sewage pollution collecting hanging basket, rinsed using the scouring force of upstream hydraulic pressure and water in pipe culvert
Product sand and mud, sand washing dredging effect substantially, saves the man power and material of artificial desilting.
Brief description of the drawings
Fig. 1 is the lower flat figure of closure works system of the present invention；
Fig. 2 is profiles of the Fig. 1 along a-a lines；
Fig. 3 is profiles of the Fig. 1 along b-b lines；
Fig. 4 is profiles of the Fig. 1 along c-c lines.
Label in figure：1st, Vatch basin；2nd, water inlet；3rd, discharge outlet；4th, horizontal barricade；5th, sewage dams mouth；6th, intake gate
Door；7th, dam main；8th, grid；9th, cat ladder；10th, lock hole；11st, spout hole；12nd, dam gate；13rd, product sandpit；14th, lock is overhauled
Door；15th, lock groove；16th, gate lifting conveyer；17th, longitudinal barricade.
Embodiment
In order to which the objects, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with drawings and Examples,
The present invention is further described in detail.It should be appreciated that specific embodiment described herein is only to explain the present invention, and
It is not used in the restriction present invention.
Embodiment 1：
Referring to a kind of gear shown in Fig. 1 to Fig. 4 it is damp, anti-blocking, maintenance it is convenient, can sand washing desilting hondo formula closure works system,
Including a Vatch basin structures, the planar dimension of Vatch basin 1 is 10.1m × 7.1m, well depth 5.14m.There is one and rain in Vatch basin 1
Water pipe contain water inlet 2, one and the natural water insertion of end insertion discharge outlet 3, together with laterally located at water inlet 2 and osculum
Horizontal barricade 4 between 3.Sewage pollution collecting hanging basket is that bottom absolute altitude is 0.62m in two DN2500 concrete reinforced pipe, pipe.Transverse gear
The side inner wall lower of Vatch basin 1 between wall 4 and water inlet 2 dams mouth 5 provided with a sewage, and sewage, which dams, to be provided with before mouth 5
DN1000 cast irons inlet gate 6.Sewage, which dams, to be connected to sewage after mouth 5 and dams main 7, and the ttom of pipe absolute altitude of main 7 that dams is 0.12 meter,
Less than raintank culvert pipe bottom elevation, the main 7 that dams is connected using DN1000 HDPE winding reinforcing pipes with downstream wastewater pumping plant.Enter
The front end of sluice gate 6 is provided with one of fixed artificial grid 8, and the pitch of grid 8 is 10cm.Dam the relative Vatch basin 1 of mouth 5 with sewage
Inwall is provided with steel cat ladder 9.The bottom of Vatch basin 1 between the barricade 4 and water inlet 2, is provided with along the sewage direction of mouth 5 of damming
Certain slope, the gradient is 0.2%.
Three 2.5m × 2m lock hole 10 is provided with Vatch basin on horizontal barricade 4, the effective area in lock hole 10 is 15m3,
More than the discharge section area of former rainwater box culvert.The top of lock hole 10 is correspondingly provided with three 2.0m × 1.78m spout hole 11, lock hole
10 are correspondingly arranged the three road 2.5m × 2m gate 12 that dams close to the side of discharge outlet 3.Dam the bottom of gate 12 elevation be 0.62m,
It is not less than the ttom of pipe elevation of water inlet 2.The elevation at the bottom of spout hole 10 is 3.52 meters, slightly above local mean high water water level, can be made
When closure works system is normally run, effectively prevent natural water from pouring in down a chimney to enter closure works system.Dam gate 12 front and rear bottom it is each
Long-pending sandpit 13 is provided with, the product clear height 0.5m of sandpit 13 can be prevented because product sand causes gate not close, so as to ensure that gate is normal
Open and close.The lower edge of gate 12 of damming stays 0.2m distance with edge on product sandpit 13, it is to avoid the hard thing of bulk props up gate and causes equipment to damage
It is bad, it is ensured that gate opening/closing safety.
The gate 12 that dams is overall to be poured using spheroidal graphite cast-iron, and its voussoir and seal receptacle use cast tin bronze
(ZCuSn5Pb5Zn5) it is made, remaining connection annex etc. is made of stainless steel.The gate 12 that dams is installed using wall-attachment,
With good sealing property, in maximum forward and reverse working head, sealing leak amount<1.25L/min.m, effectively prevents sea
Water penetration enters Vatch basin.
Closure works system is respectively provided with ultrasonic level gage before and after using manual and electric double-purpose intelligent control, the gate 12 that dams, its basis
The liquid level of liquid level gauge monitoring controls inlet gate 6 and the keying of gate 12 of damming.Manual control is also can switch to when necessary
State, the keying of inlet gate 6 and the gate 12 that dams is controlled by staff.
Between the horizontal barricade 4 and discharge outlet 3, direction in three independent lock chambers, lock chamber is separated into by longitudinal barricade 17
The side of discharge outlet 3 is provided with gate examination and repair system；Gate examination and repair system includes bulkhead gate 14, lock groove 15 and gate lifting transport
Device 16, lock groove 15 is on the inwall of lock chamber both sides；The gate lifting conveyer 16 is located above lock chamber；The maintenance lock
On the door standing platform above lock chamber on the 14th, it is installed in lock groove 15 and uses in maintenance；Lock chamber inwall is provided with maintenance people
The steel cat ladder 9 of member's climbing.
The bulkhead gate 14 is three sets 2.5m × 3.74m stop log gate, is made of aluminium alloy, can bear maximum just,
Buffer brake 0.1MPa.Stop log gate is made up of upper plate, middle plate and lower plate, and one piece of one piece of placement, can go in the lump during extraction during installation
Take out.Lifting handle and hook are provided with per shoe brake plate, both sides are provided with elasticity Ω type sealing strips, and bottom is bipeltate, form lock
Horizontal seal between vertical seal and upper lower flashboard between plate and lock groove between bottom land, leakage rate≤1L/min.m.
Embodiment 2：
- 3.33 meters of Xiamen lowest water level over the years, historical high tidal level is 4.54m, 2.44 meters of mean high tide, mean low tide
- 1.54 meters of position.The fresh water reservoir dam project of one Adjacent Sea, the box culvert that dams is 4m × 2.5m three hole shutoff gates, is dammed a little
Bottom absolute altitude is 1.263m in box culvert, the gate that dams need to be coordinated just to avoid inwelling from entering closure works system, it is ensured that fine day sewage
Seawater is not discharged into early-stage rainwater to pollute.Original closure works system is transformed, one kind is built and keeps off damp, anti-blocking, maintenance just
It is prompt, can sand washing desilting hondo formula closure works system, interception ratio is 2, the m of design scale 30,0003/d.The closure works system control process
It is as follows：
1) in fine day, inlet gate 6 is opened, and the gate 12 that dams is closed, and the sewage in Sewage pollution collecting hanging basket passes through inlet gate 6
Into the processing of follow-up sewage disposal system, prevent sewage and polluted into marine site；Simultaneously reduce Sewage pollution collecting hanging basket in the depth of water, make away from
The depth of water≤30cm in upstream Sewage pollution collecting hanging basket from closure works system 50m, it is ensured that few ponding, hondo in Sewage pollution collecting hanging basket, so as to prevent
The mosquitos and flies that Sewage pollution collecting hanging basket internal cause swelling water is caused grows the generation with stink.
2) at rainfall initial stage in rainy season, inlet gate 6 is kept to open, the gate 12 that dams is closed, the initial stage in Sewage pollution collecting hanging basket
Rainwater is by inlet gate into the processing of follow-up sewage disposal system, and seawater is stopped by the gate 12 that dams, and does not enter closure works system.
3) the reservoir physical features is higher, and rain effluent flow rate is very fast in the box culvert that dams, and the shutoff gate during rainy day on box culvert needs timely
Open, otherwise more than dam ability when rainwater may be emerged out of pumping plant ground, cause excess surface water.Therefore in rainy season rainfall one
After the section time, monitored through liquid level gauge, when water level is higher than controlling water level in Vatch basin, and the water level rate of climb is very fast, or influent side
When water level is higher than drain-side water level, system automatic control control inlet gate 6 is closed, and the gate 12 that dams is opened, and rainwater is arranged by lock hole
Enter marine site, prevent Sewage pollution collecting hanging basket overflow.
4) after rainfall stops, being monitored through liquid level gauge, when water level is less than controlling water level in Vatch basin, and influent side water level is low
When drain-side water level, system automatically controls inlet gate 6 and opened, and the gate 12 that dams is closed, sewage or rain in Sewage pollution collecting hanging basket
Water then enters sewage disposal system again by inlet gate 6.
5) when tidal gate failure fails to open, rainwater is protected by the spout hole above tidal gate, overflow into marine site
Hinder the normal flood discharge function of Storm Sewer Network.
6) tidal gate trouble hunting or carry out regular maintenance when, pass through the gate lifting conveyer of inspection platform, will
Bulkhead gate 14 is arranged in gate guide, and an anhydrous space for maintenance is formed in Vatch basin, is easy to technical staff to go into the well
Maintenance, improves overhaul efficiency, while ensureing that seawater does not pour in down a chimney enters sewerage, and sanitary sewage and rain at initial stage in tidal channel
Water can still dam entirely to be handled into sewerage.
7) during Sewage pollution collecting hanging basket sand washing desilting, switching closure works system is manual state of a control, keeps inlet gate, dam gate
Close, by rainwater storage until the depth of water is the 1/2-2/3 of caliber in pipe culvert, unlatching is dammed gate, using upstream water pressure and
The scouring capability of water, and hydraulics unobstructed in pipe culvert, realize water velocity >=0.5m/s, make apart from closure works system 50m
Upstream Sewage pollution collecting hanging basket in mud depth≤30cm, drain off floodwaters exit or entrance of a clitch concentration of hydrogen sulfide≤0.3ppm, realizes that Sewage pollution collecting hanging basket sand washing is clear
Become silted up, reduce odor unit.
The embodiment of the present invention is above are only, but protection scope of the present invention is not limited thereto, it is any to be familiar with
Those skilled in the art disclosed herein technical scope in, the change or replacement that can be readily occurred in should all be covered
In protection scope of the present invention.
Claims (9)
1. it is a kind of keep off it is damp, anti-blocking, maintenance it is convenient, can sand washing desilting hondo formula closure works system, it is characterised in that：Dam including one
Well structures, have in Vatch basin structures one with the water inlet of Sewage pollution collecting hanging basket end insertion, one with the row of natural water insertion
The mouth of a river, the horizontal barricade being laterally located at together between water inlet and discharge outlet；Damming between the horizontal barricade and water inlet
Well structures side inner wall lower dams mouth provided with a sewage, and the sewage mouthful ttom of pipe elevation that dams is high less than bottom in Sewage pollution collecting hanging basket
Journey；Sewage, which dams, is provided with inlet gate before mouth, and sewage dams and is connected with extending to the main that dams of sewage pumping station after mouth；The gear
Wall bottom is provided with an at least lock hole, and top is provided with an at least spout hole, spout hole bottom elevation higher than mean high water water level or
The level of tail water；The lock hole is provided with the gate that dams, and shutoff gate is provided with liquid level gauge afterwards in front of the door, and the elevation at the gate bottom of damming is not
Less than water inlet ttom of pipe elevation；Between the horizontal barricade and discharge outlet, if transverse gear at least one independent lock chamber, independent lock chamber
The side of wall is that gate examination and repair system is provided with the outlet of gate, spout hole of damming, independent lock chamber.
And, a torch dual-purpose intelligent control unit, its liquid level monitored according to liquid level gauge controls inlet gate and shutoff gate
The keying of door.
2. it is as claimed in claim 1 it is a kind of keep off damp, anti-blocking, maintenance it is convenient, can sand washing desilting hondo formula closure works system, it is special
Levy and be：The gate that dams, spout hole are identical with independent lock chamber quantity, and each independent lock chamber sets one and dammed gate, an overflow
Hole and a gate examination and repair system.
3. it is as claimed in claim 1 it is a kind of keep off damp, anti-blocking, maintenance it is convenient, can sand washing desilting hondo formula closure works system, it is special
Levy and be：Vatch basin structures bottom between the barricade and water inlet, dams mouthful direction provided with certain slope, slope along sewage
Degree>0.2%.
4. it is as claimed in claim 1 it is a kind of keep off damp, anti-blocking, maintenance it is convenient, can sand washing desilting hondo formula closure works system, it is special
Levy and be：The inlet gate front end is provided with one of fixed artificial grid, and grid pitch is 5-10cm.
5. it is as claimed in claim 1 it is a kind of keep off damp, anti-blocking, maintenance it is convenient, can sand washing desilting hondo formula closure works system, it is special
Levy and be：The effective area in the lock hole is not less than the discharge section area of former Sewage pollution collecting hanging basket.
6. it is as claimed in claim 1 it is a kind of keep off damp, anti-blocking, maintenance it is convenient, can sand washing desilting hondo formula closure works system, it is special
Levy and be：The gate that dams is installed on the smaller side of unfavorable conditions water (flow) direction, i.e. bleeder quantity；The gate use of damming
316L stainless steels or Nodular cast iron material, wall-attachment are installed, and its seal receptacle and voussoir are made of cast tin bronze, sealing leak
Amount<1.25L/min·m.
7. it is as claimed in claim 1 it is a kind of keep off damp, anti-blocking, maintenance it is convenient, can sand washing desilting hondo formula closure works system, it is special
Levy and be：Shutoff gate in front of the door after bottom be each provided with a product sandpit, product sandpit clear height >=0.5m, and dam gate lower edge and product
Along the distance for staying 0.2-0.5m on sandpit.
8. it is as claimed in claim 1 it is a kind of keep off damp, anti-blocking, maintenance it is convenient, can sand washing desilting hondo formula closure works system, it is special
Levy and be：The gate examination and repair system includes bulkhead gate, gate guide and inspection platform, and the gate guide is located at lock chamber two
On the inwall of side；The inspection platform is located above lock chamber, provided with gate lifting conveyer；The bulkhead gate is stop log gate,
Day is standing on inspection platform, is installed in gate guide and uses in maintenance.
9. a kind of hondo formula closure method, it is characterised in that：Dammed using the hondo formula described in any one of claim 1 to 8 and be
System, method comprises the following steps：
1) in fine day, inlet gate is opened, and dam closing gate, and the sewage in Sewage pollution collecting hanging basket enters follow-up by inlet gate
Sewage disposal system processing, depth of water reduction in Sewage pollution collecting hanging basket, make in closure works system 50m upstream Sewage pollution collecting hanging basket the depth of water≤
30cm；
2) in rainy season, rainfall inlet gate at initial stage is opened, and dam closing gate, and the early-stage rainwater in Sewage pollution collecting hanging basket passes through intake gate
Door enters the processing of follow-up sewage disposal system, and natural water is kept off by shutoff gate gate resistance, does not enter closure works system；Rainfall is for a period of time
Afterwards, monitored through liquid level gauge, when water level is higher than arranges value in Vatch basin, system automatically controls inlet gate closing, and the gate that dams is opened
Open, rainwater is discharged into natural water by lock hole, prevent Sewage pollution collecting hanging basket overflow；After rainfall stops, being monitored through liquid level gauge, in Vatch basin
When water level is less than arranges value, system automatically controls inlet gate unlatching, and dam closing gate, sewage or rainwater in Sewage pollution collecting hanging basket
Then enter sewage disposal system again by inlet gate；
3) gate that dams break down fail open when, rainwater enters Natural Water by the spout hole above tidal gate, overflow
Body；
4) when gate trouble hunting or the progress regular maintenance of damming, by the gate lifting conveyer of inspection platform, it will overhaul
Gate installation forms well servicing under an anhydrous space for maintenance, technical staff in gate guide in Vatch basin；
5) during Sewage pollution collecting hanging basket sand washing desilting, switching closure works system is manual state of a control, keeps inlet gate, the gate that dams to close
Close, by rainwater storage until the depth of water is the 1/2-2/3 of caliber in pipe culvert, unlatching is dammed gate, utilizes upstream water pressure and water
Scouring capability, and hydraulics unobstructed in pipe culvert realize water velocity >=0.5m/s, make apart from closure works system 50m's
Mud depth≤30cm in the Sewage pollution collecting hanging basket of upstream, drain off floodwaters exit or entrance of a clitch concentration of hydrogen sulfide≤0.3ppm, realizes Sewage pollution collecting hanging basket sand washing desilting,
Reduce odor unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710281612.6A CN106988400A (en) | 2017-04-26 | 2017-04-26 | It is a kind of keep off it is damp, anti-blocking, maintenance it is convenient, can sand washing desilting hondo formula closure works system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710281612.6A CN106988400A (en) | 2017-04-26 | 2017-04-26 | It is a kind of keep off it is damp, anti-blocking, maintenance it is convenient, can sand washing desilting hondo formula closure works system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106988400A true CN106988400A (en) | 2017-07-28 |
Family
ID=59418575
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710281612.6A Pending CN106988400A (en) | 2017-04-26 | 2017-04-26 | It is a kind of keep off it is damp, anti-blocking, maintenance it is convenient, can sand washing desilting hondo formula closure works system and method |
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| CN110344491A (en) * | 2019-08-02 | 2019-10-18 | 暨南大学 | A kind of prefabricated shutoff gate and construction method |
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Application publication date: 20170728 |