CN104276638B - A kind of constructing tunnel drainage processing method and treatment unit thereof - Google Patents

A kind of constructing tunnel drainage processing method and treatment unit thereof Download PDF

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Publication number
CN104276638B
CN104276638B CN201410543727.4A CN201410543727A CN104276638B CN 104276638 B CN104276638 B CN 104276638B CN 201410543727 A CN201410543727 A CN 201410543727A CN 104276638 B CN104276638 B CN 104276638B
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China
Prior art keywords
water
constructing tunnel
drainage
filter
sunk well
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CN104276638A (en
Inventor
杜泽君
张皓
武志强
王庆生
李绍平
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Jiangsu Tiankang energy and Environment Engineering Co., Ltd
Sichuan China Railway Second Institute Environmental Technology Co.,Ltd.
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WUXI TIANKANG EP EQUIPMENT Co Ltd
China Railway Eryuan Engineering Group Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56Macromolecular compounds

Abstract

The present invention discloses a kind of constructing tunnel drainage processing method and treatment unit thereof, and treatment unit comprises vacuum water diversion device, lift pump, tube mixer and drainage sunk well unit; The treating method comprises (a) and build equalizing tank, spoil disposal drainage collection pond and supervision pond on construction ground, open vacuum water diversion device, lift pump, after sewage is evacuated to tube mixer, then enter drainage sunk well unit; B () is dissolved in case respectively to liquid and is added flocculation agent and flocculation agent, liquid mixes in tube mixer with sewage after volume pump is weighed; C () sewage, by discharging after drainage sunk well unit, enters supervision pond, after supervision pond water outlet after testing, and qualified Chinese effluent, defective water outlet reenters equalizing tank; D () precipitation flows into spoil disposal drainage collection pond, after stratification, supernatant liquid flows into equalizing tank, sinks to the bottom body refuse and washes in a pan landfill clearly; Level of automation of the present invention is high, easy and simple to handle, and effluent characteristics is stablized.

Description

A kind of constructing tunnel drainage processing method and treatment unit thereof
Technical field
The present invention relates to industrial wastewater discharge field, particularly a kind of constructing tunnel drainage processing method and treatment unit thereof.
Background technology
Along with the needs of Economic development and daily traffic, tunnel construction is corresponding sharply to be increased.Tunnel Engineering is positioned at Hilly land mostly, some is even in potable water source district or waterhead conservation, a large amount of construction drainages can be produced in construction process, if do not process construction drainage, let alone discharge, will cause mountain area water environment pollution, the draining source in constructing tunnel process mainly contains following several: during Tunnel Passing unfavorable geology unit, the water burst of generation; Preparation of construction, as the sewage that rig etc. produces; For the sewage of depositing dust after Tunnel Blasting and when skimming; The sewage that sprayed concrete and slip casting produce and Bedrock Crevice Water etc.In constructing tunnel draining, the suspended impurities such as a large amount of rock dust enter in water, in discharge process, in part water solvability impurity oxidized, separate out, chemical property changes to some extent, water seepage during constructing tunnel belongs to underground water in essence, in addition owing to being subject to rig, sprayed concrete and slip casting and other pollution artificially produced, has again the feature of surface water; Principal pollutant are suspended substance, the organism that petroleum-type and nitrobenzene etc. are formed.Constructing tunnel draining, if do not added process directly discharge, both can be polluted surrounding environment, and can cause the harm such as physics and chemistry, ecology, view again to receiving water body.
After the draining that current constructing tunnel produces generally adopts mud settling sump to carry out precipitation process, supernatant liquor is arranged outward, and mud then makes drying and other treatment, and this treatment technology is too simple, its process parameters design is unreasonable, the draining residence time is short, volume is less than normal, secondly, fluctuates larger because tunnel drainage carrys out the water yield, therefore settling tank floor space is large, speed of response is slow, and effluent quality is unstable, cannot ensure qualified discharge.
Summary of the invention
For solving the problem, provide a kind of constructing tunnel drainage processing method and treatment unit, this treatment unit take up an area less, quick for installation, easy to use, standard water discharge, the present invention is achieved in that
A kind of constructing tunnel drain treatment apparatus, comprises the vacuum water diversion device, lift pump, tube mixer and the drainage sunk well unit that are connected by pipeline successively; Described tube mixer is connected with liquid chemical feeding unit by pipeline, and described liquid chemical feeding unit comprises roots blower and some liquids being connected with volume pump dissolve case; Described drainage sunk well unit is Horizontal tank, and groove tank one end is provided with the influent weir be connected with tube mixer, and the other end is provided with effluent weir; Groove tank is interior is flocculation zone, settling region and filtrating area by two vertical subregion baffle for separatings; Described flocculation zone is provided with some dividing plates and fin piece partition plate, and flocculation zone is divided into the first flocculating chamber of connection, the second flocculating chamber and the 3rd flocculating chamber by dividing plate; Described settling region is provided with hexagon cellular inclined tube, and hexagon cellular inclined tube bottom is connected with the 3rd flocculating chamber, and top is connected with filtrating area by being settled out water pipe water-in; Described filtrating area is provided with the filter chamber orifice plate be positioned at below effluent weir, and filter chamber orifice plate is provided with drain cap, and be settled out water pipe water outlet and be positioned at below filter chamber orifice plate, after being positioned at the filter above filter chamber orifice plate, water is discharged by effluent weir; Drainage sunk well unit bottom is provided with shore pipe, for the precipitation of collecting flocculation zone, settling region produces, be provided with bottom filtrating area and filter backwash water shoot, filter backwash water shoot one end and be connected with shore pipe, the other end leads to outside groove tank, filters backwash water shoot and is provided with backwash water discharge valve.
Preferably, in the present invention, described vacuum water diversion device front end is provided with swash plate sand separator.
Preferably, in the present invention, described fin piece partition plate and water (flow) direction are 45 ° of angles.
Preferably, in the present invention, described filter chamber orifice plate is provided with EPS expanded plastic filter pearl.
Preferably, in the present invention, described roots blower, volume pump, liquid dissolve case, vacuum water diversion device and lift pump and share a skid-mounted support.
Preferably, in the present invention, described first flocculating chamber, the second flocculating chamber and the 3rd flocculating chamber's volumetric ratio are 1:2:4.
Adopt constructing tunnel drain treatment apparatus as described herein to carry out a method for constructing tunnel drainage sunk well, comprise the following steps:
A () builds equalizing tank, spoil disposal drainage collection pond and supervision pond on construction ground, equalizing tank is for collecting the sewage of constructing tunnel discharge, open vacuum water diversion device and lift pump, by pipeline, sewage is introduced tube mixer and drainage sunk well unit successively by equalizing tank;
B () is dissolved in case respectively to liquid and is added flocculation agent and flocculation agent, open volume pump and roots blower, utilize pressurized air to stir molten medicine, liquid mixes in tube mixer with sewage after volume pump is weighed;
C () and the mixed sewage of liquid flow into drainage sunk well unit by influent weir, successively by entering filtrating area behind the first flocculating chamber, the second flocculating chamber and the 3rd flocculating chamber after hexagon cellular tube settling, discharged by effluent weir after filter chamber orifice plate filters, water outlet flows into supervision pond, in supervision pond after water outlet after testing, qualified Chinese effluent, defective water outlet is reintroduced back to equalizing tank;
D () opens backwash water discharge valve, after filter above filter chamber orifice plate water perpendicular through after filter chamber orifice plate together with the precipitation in shore pipe after filtration backwash water shoot flow into spoil disposal drainage collection pond, after the stratification of spoil disposal drainage collection pond, supernatant liquid flows into equalizing tank, sinks to the bottom body refuse and washes in a pan landfill clearly.
Preferably, constructing tunnel drain treatment apparatus of the present invention carries out in the method for constructing tunnel drainage sunk well, and step c hexagon cellular tube settling Water discharge flow speed is 1.3mm/s.
Preferably, constructing tunnel drain treatment apparatus of the present invention carries out in the method for constructing tunnel drainage sunk well, and flocculation agent described in step b is polymer ferric aluminium sulfate chloride, and dosage is 7-12g/t, and described flocculation agent is polyacrylamide, and dosage is 1-3mg/L.
Preferably, constructing tunnel drain treatment apparatus of the present invention carries out in the method for constructing tunnel drainage sunk well, and step c also comprises to supervision pond input Ca (ClO) 2, input concentration is 1.5mg/L.
Constructing tunnel draining principal pollutant are landwaste, dust-like suspended substance (SS) and oils, and waste water Middle nutrition material oxygen species content of becoming reconciled is low, adopt oil removal to reduce the materialization process for purifying water of turbidity, can obtain good effect to wherein pollutent.Form the tiny suspended particle of turbidity in water based on inorganic and organic colloid, the reason of not easily sinking is that particle when ceaselessly doing pedesis in water, the same sex electric charge formed due to impurity particle surface repels mutually, can not attract each other, increase weightening finish and sink, be directed at impurities in water not easily to remove, discharge (or use) requirement can not be met, the present invention utilizes and add flocculation agent in water, in and the surface charge of impurities in water particle, make the fine suspension of not easily sinking in water, colourity, the alumen ustum that organism becomes particle larger by coagulating coalescence, flocculation agent can carry out sieve to subparticle in water and alumen ustum and catch, build bridge, suspended particle is impelled to increase, weightening finish, form the alumen ustum easily sunk, then utilize settling height shorter, the shallow layer precipitating principle that settling time is fewer, the tube settler of High-rate sedimentation effect is had to make coalescence in water become the impurities sink down of macrobead alumen ustum by follow-up, be separated with water and water quality is purified, a small amount of fine particle impurity is still had in precipitation water outlet, EPS expanded plastic is adopted to filter pearl upward flow filtration again, suspended substance in further removal water, realize removing more thoroughly, after process, SS meets effluent quality Con trolling index.
Constructing tunnel draining Integrated Processing Unit all devices unit processing and fabricating of the present invention all completes in factory, to individual field devices unit combination be arranged in place on same skid support after can drop into commissioning test.Whole making processes controllability is high, and Mass accuracy is ensured, production efficiency is improved, thus decreases on-site construction processes, reduces materials consumption, directly reduces equipment cost; Because its level of automation is high, thus easy and simple to handle, save a large amount of manual operation, simultaneously due to the high efficiency of this efficient combined-type constructing tunnel draining Integrated Processing Unit, greatly reduce floor space, improve treatment effect.
Accompanying drawing explanation
Fig. 1 is embodiment constructing tunnel drain treatment apparatus structural representation;
Wherein, 24, equalizing tank; 25, swash plate sand separator; 26, vacuum water diversion device; 27, lift pump; 28, volume pump; 29, volume pump; 30, liquid dissolves case; 31, roots blower; 32, tube mixer; 33, drainage sunk well unit; 34, spoil disposal drainage collection pond; 35, pond is supervised.
Fig. 2 is embodiment treatment unit for waste water structural representation;
Wherein, 1, influent weir; 2, flocculation zone; 3, vertical subregion dividing plate; 4, settling region; 5, groove tank; 6, hexagon cellular inclined tube; 7, water pipe is settled out; 8, vertical subregion dividing plate; 9, filtrating area; 10, effluent weir; 11, filter chamber orifice plate; 12, drain cap; 13, EPS expanded plastic filter pearl; 14, backwash water shoot is filtered; 15, end support; 16, shore pipe; 17, saddle bearing.
Fig. 3 is A-A schematic cross-section in Fig. 2;
Wherein, 18, dividing plate; 19, dividing plate; 20, fin piece partition plate; 21, the first flocculating chamber; 22, the second flocculating chamber; 23, the 3rd flocculating chamber.
Fig. 4 is embodiment filter chamber AND DEWATERING FOR ORIFICE STRUCTURE schematic diagram;
Wherein, 13, EPS expanded plastic filter pearl.
Fig. 5 is embodiment constructing tunnel drainage processing method schema.
Embodiment
Embodiment 1
As shown in Figure 1, a kind of constructing tunnel drain treatment apparatus, comprise the vacuum water diversion device 26, lift pump 27, tube mixer 32 and the drainage sunk well unit 33 that are connected by pipeline successively, vacuum water diversion device 26 top is provided with swash plate sand separator 25, tube mixer 32 is connected with liquid chemical feeding unit by pipeline, and described liquid chemical feeding unit comprises roots blower 32 and some liquids being connected with volume pump 28,29 dissolve case 30;
As shown in Figure 2, drainage sunk well unit 33 is Horizontal tank 5, is provided with saddle bearing 17 bottom groove tank 5, and groove tank 5 one end is provided with the influent weir 1 be connected with tube mixer 32, and the other end is provided with effluent weir 10; Flocculation zone 2, settling region 4 and filtrating area 9 is divided into by two vertical subregion dividing plates 3,8 in groove tank 5; Flocculation zone 2 is provided with some dividing plates 18,19 and fin piece partition plate 20, and flocculation zone 2 is divided into the first flocculating chamber 22 of flocculating chamber 21, second and the 3rd flocculating chamber 13 of connection by dividing plate 18,19; Described settling region 4 is provided with hexagon cellular inclined tube 6, and hexagon cellular inclined tube 6 bottom is connected with the 3rd flocculating chamber 13, and top is connected with filtrating area 9 by the water-in being settled out water pipe 7; Filtrating area 9 is provided with the filter chamber orifice plate 11 being positioned at effluent weir 10 lower end, and filter chamber orifice plate 11 is provided with drain cap 12, and be settled out water pipe 7 water outlet and be positioned at below filter chamber orifice plate 11, after being positioned at the filter above filter chamber orifice plate 11, water is discharged by effluent weir 10; Shore pipe 16 is provided with bottom drainage sunk well unit 33, for the precipitation of collecting flocculation zone 2, settling region 4 produces, be provided with bottom filtrating area 9 and filter backwash water shoot 14, filter backwash water shoot 14 one end and be connected 16 with shore pipe, filter between backwash water shoot 14 and shore pipe 16 and be provided with end support 15, filtering backwash water shoot 14 the other end leads to outside groove tank, and on filtration backwash water shoot, 14 are provided with backwash water discharge valve.
In the present embodiment, as shown in Figure 3, Fig. 3 is the schematic cross-section of flocculation zone 2, (in Fig. 2 A-A cross section), flocculation zone 2 adopts fin piece partition plate flocculation (also known as the flocculation of high-density microvovtex) technology, fin piece partition plate 20 and water (flow) direction be 45 ° of angles, make suspensoid particle mutual Collision coagulation under force-disturbance outside, and form larger particles.Cardinal principle utilizes frictional belt to depart from inertial effect that is theoretical and particle collision, in flocculation zone 2, vertical subregion dividing plate 3 is set along water (flow) direction, water (flow) direction 45 ° arranges fin piece partition plate 20, after current flow through fin piece partition plate 20, short period of time can form accurate isotropic homogeneous turbulent flow around, carry secretly in turbulent flow and taken measurements greatly, the high frequency spectrum array vortex that intensity is certain, in continuous flow process, eat and the effect of Paderewski lift vortex can be caused to leave original position and carry out impinging one another, increase the effective collision number of times of particle, effectively improve flocculating effect, floc particle collides, absorption, flco itself produces strong deformation, make in flco, to adsorb the low part of energy level rub effect due to distortion thus reach higher absorption energy level, alumina blossom particles was grown up to the time required greatly shorten, and flco becomes more closely knit after by equipment, improve flocculating effect, shorten flocculation time.By some vertical subregion dividing plates 3, flocculation zone 2 is divided into the first flocculating chamber 21 by 8, second flocculating chamber 22 and the 3rd flocculating chamber 23, series connection at different levels, the flocculation of composition reduction of speed, first flocculating chamber 21 reacts the most violent, ensure that the particle contacts in medicament and water is abundant, create favorable conditions for forming closely knit alumen ustum, second flocculating chamber 22 and the 3rd flocculating chamber 23 react flow velocity and reduce gradually, alumen ustum closely knit is in the meantime formed gradually, again through the mild plug-flow of the excessive section of twice, closely knit alumen ustum enters settling tank, for follow-up precipitation work is laid a solid foundation, fin piece partition plate 20 adopts welding locator means to fix, do not need secondary installing, management maintenance is simple, stronger to the adaptability of the former water water yield and change of water quality, unmanageable high muddy water can be adapted to, low-cloudy water and micro-polluted water matter, flocculating effect is stablized.
In the present embodiment, as shown in Figure 4, filter chamber orifice plate 11 is provided with EPS expanded plastic filter pearl 13.
In the present embodiment, Luo Cifeng, 31, volume pump 28,29, liquid dissolves case 30, vacuum water diversion device 26 and lift pump 27 and shares a skid-mounted support.
In the present embodiment, the first flocculating chamber 22 of flocculating chamber 21, second and the 3rd flocculating chamber 23 volumetric ratio are 1:2:4.
Vacuum water diversion device 26 model YS120-15 in the present embodiment, quantity 1, water inlet pipe DN100, rising pipe DN65, diameter 1.2m, straight tube height 1.5m, carbon steel makes, and inwall thick slurry type of epoxide coal bituminous is anticorrosion, and outer wall chlorinated rubber glass flake paint is anticorrosion; Vacuum water diversion device 26 water-fetching head arranges swash plate sand separator 25, quantity 1, swash plate district cross dimensions 606 × 236mm, 45 °, inclination angle, inner side plagioclase 2000mm, outside plagioclase 2234mm; Water-in screen cloth 350 × 240 × 500 ~ 1000mm, mesh is 20 × 20mm galvanized wire mesh; Water outlet DN100; Swash plate sand separator 25 can make to be greater than 0.1mm sand grains major part and remove, and the sand amount entering vacuum water diversion device 26 obviously reduces: sand grains is greater than 0.25mm clearance and reaches 100%, and 0.25 ~ 0.13mm clearance reaches 98%, is less than 0.13mm clearance and reaches 80%.
Lift pump 27 model is 50UHB-ZK-25-18, flow: 25m 3/ h, inlet diameter 50mm, exit diameter 40mm.
Tube mixer 32 is serially connected on the water inlet pipe for the treatment of unit, and confession adds liquid and water inlet realizes Homogeneous phase mixing, and mixing tank is made up of the built-in spiral limb of steel pipe.Material carbon steel, inside and outside wall chlorinated rubber glass flake paint is anticorrosion, and DN100(φ 108 × 4 selected by mixing tank) steel pipe L=1100mm.
In the present embodiment, liquid dissolves case and each 4 of volume pump, use in turn, liquid dissolves case and adopts the end or tapered bottom pattern, sediment in convenient eliminating medicine-chest, model XYSX-300-600/1000, diameter 600mm, straight wall height 1000mm, the high 100mm of bottom cone bucket, material carbon steel, inside and outside wall chlorinated rubber glass flake paint is anticorrosion; Volume pump selects Ai Lipu Mechanical Driven METERING DIAPHRAGM PUMPS, model: JWM-A24/1, rated flow 24L/h, pressure 1MPa.
Through measuring, in the present embodiment, constructing tunnel draining water quality is:
Ss suspended solid (mg/L) Chemical oxygen demand COD cr(mg/L) Oils (mg/L) Total nitrogen TN (mg/L) pH
2000~6000 8~40 1~10 2~8 8.5~10
This constructing tunnel drainage processing method, as shown in Figure 5:
(1) equalizing tank 24, spoil disposal drainage collection pond 34 and supervision pond 35 are set at tunnel construction site, equalizing tank 24 is for directly collecting constructing tunnel draining, its volume is arranged by accommodation 4 hours wastewater flow rates and spoil disposal drainage collection pond 34 supernatant liquor 1 hour water displacement, masonry or Reinforced Concrete Structure, underground, civil engineering, in the present embodiment, constructing tunnel waste water is 20m 3/ h treatment capacity, therefore equalizing tank is set to 100m 3(length × wide × liquid dark=8m × 5m × 2.5m), pond surrounding arranges safety and encloses and block, and is provided with swash plate sand separator 25 in equalizing tank 24;
(2) open vacuum water diversion device 26, lift pump 27, after constructing tunnel waste water is evacuated to tube mixer 32 by equalizing tank 24 by swash plate sand separator 25, then enter drainage sunk well unit 33 by pipeline.
(3) add flocculation agent and flocculation agent respectively in liquid dissolving case 30, open volume pump 28,29 and roots blower 31, utilize pressurized air to stir molten medicine, liquid mixes in tube mixer 32 with waste water after volume pump is weighed.
The flocculation agent used in the present embodiment is polymer ferric aluminium sulfate chloride (PAFCS), this flocculation agent is than traditional solid polyaluminium chloride (PAC), liquid aluminium sulfate (PAS), bodied ferric sulfate (PFS), the consumption of poly-ferric chloride (PFC) etc. can significantly reduce, polymer ferric aluminium sulfate chloride has the precipitating action of inorganic coagulant, there is again efficient net catch, volume sweeps effect, organic removal rate is high, with organic polymer coargulator compound use, not only consumption reduces, sludge quantity reduces, and deposit seeds is large, cohesion speed is fast, higher to the clearance of pollutent, remaining suspension thing and COD reduce relatively, to turbidity change great disparity and the former water of high chroma, the former water of low temperature, the insurmountable purification requirement of existing water purification agent can be reached, PAFCS dosage is 7 ~ 12g/t, PAFCS solid first should add 3 ~ 4 times of water, and after dissolving, redilution adds to needs concentration, and diluent concentration is 3 ~ 10 degree Beaume (relative densities about 1.02 ~ 1.07), for preventing liquid activity from reducing, diluent is generally no more than 24 hours storage period.
PAFCS addition method is: adopt pressurized air to stir molten medicine, no-rotary part, corrosion-free phenomenon, maintenance workload is little, and source of the gas is supplied by roots blower, compressed air pressure 0.01 ~ 0.02MPa when molten medicine stirs;
The flocculation agent that the present embodiment uses is polyacrylamide, and dosage is 1-3mg/L.
(4) drainage sunk well unit 33 is entered with the mixed waste water of liquid by influent weir 1, successively by entering filtrating area 9 behind the first flocculating chamber 22 of flocculating chamber 21, second and the 3rd flocculating chamber 23 after hexagon cellular inclined tube 6 precipitates, discharged by effluent weir 10 after filter chamber orifice plate 11 filters, enter supervision pond 35, after supervision pond 35 water outlet after testing, qualified Chinese effluent, defective water outlet reenters equalizing tank 24;
In the present embodiment, being settled out water pipe 7 Water discharge flow speed is 0.0013m/s.
In the present embodiment, carry out sterilization and disinfection process to the draining in supervision pond, sterilization method for throwing in Ca (ClO) in supervision pond 2, input concentration is 1.5mg/L.
(5) backwash water discharge valve is opened, above filter chamber orifice plate 11 filter after water back through after filter chamber orifice plate 11 together with the precipitation in shore pipe 16 after filtration backwash water shoot 14 flow into spoil disposal drainage collection pond 34, after the stratification of spoil disposal drainage collection 34 pond, supernatant liquid flows into equalizing tank 24, sinks to the bottom body refuse and washes in a pan landfill clearly.
After testing, the present embodiment supervision pond water outlet meets the requirement of " integrated wastewater discharge standard " (GB8978-1996) primary standard Water Quality Control Indexes:

Claims (10)

1. a constructing tunnel drain treatment apparatus, is characterized in that, described constructing tunnel drain treatment apparatus comprises the vacuum water diversion device, lift pump, tube mixer and the drainage sunk well unit that are connected by pipeline successively;
Described tube mixer is connected with liquid chemical feeding unit by pipeline, and described liquid chemical feeding unit comprises roots blower and some liquids being connected with volume pump dissolve case;
Described drainage sunk well unit is Horizontal tank, and groove tank one end is provided with the influent weir be connected with tube mixer, and the other end is provided with effluent weir; Groove tank is interior is flocculation zone, settling region and filtrating area by two vertical subregion baffle for separatings; Described flocculation zone is provided with some dividing plates and fin piece partition plate, and flocculation zone is divided into the first flocculating chamber of connection, the second flocculating chamber and the 3rd flocculating chamber by dividing plate; Described settling region is provided with hexagon cellular inclined tube, and hexagon cellular inclined tube bottom is connected with the 3rd flocculating chamber, and top is connected with filtrating area by being settled out water pipe water-in; Described filtrating area is provided with the filter chamber orifice plate be positioned at below effluent weir, and filter chamber orifice plate is provided with drain cap, and be settled out water pipe water outlet and be positioned at below filter chamber orifice plate, after being positioned at the filter above filter chamber orifice plate, water is discharged by effluent weir; Drainage sunk well unit bottom is provided with shore pipe, for the precipitation of collecting flocculation zone, settling region produces, be provided with bottom filtrating area and filter backwash water shoot, filter backwash water shoot one end and be connected with shore pipe, the other end leads to outside groove tank, filters backwash water shoot and is provided with backwash water discharge valve.
2. constructing tunnel drain treatment apparatus according to claim 1, it is characterized in that, described vacuum water diversion device front end is provided with swash plate sand separator.
3. constructing tunnel drain treatment apparatus according to claim 2, it is characterized in that, described fin piece partition plate and water (flow) direction are 45 ° of angles.
4. constructing tunnel drain treatment apparatus according to claim 3, is characterized in that, described filter chamber orifice plate is provided with EPS expanded plastic filter pearl.
5. constructing tunnel drain treatment apparatus according to claim 4, is characterized in that, described roots blower, volume pump, liquid dissolve case, vacuum water diversion device and lift pump and share a skid-mounted support.
6. constructing tunnel drain treatment apparatus according to claim 5, it is characterized in that, described first flocculating chamber, the second flocculating chamber and the 3rd flocculating chamber's volumetric ratio are 1:2:4.
7. adopt constructing tunnel drain treatment apparatus as described in one of claim 1-6 to carry out a method for constructing tunnel drainage sunk well, it is characterized in that, comprise the following steps:
A () builds equalizing tank, spoil disposal drainage collection pond and supervision pond on construction ground, equalizing tank is for collecting the sewage of constructing tunnel discharge, open vacuum water diversion device and lift pump, by pipeline, sewage is introduced tube mixer and drainage sunk well unit successively by equalizing tank;
B () is dissolved in case respectively to liquid and is added flocculation agent and flocculation agent, open volume pump and roots blower, utilize pressurized air to stir molten medicine, liquid mixes in tube mixer with sewage after volume pump is weighed;
C () and the mixed sewage of liquid flow into drainage sunk well unit by influent weir, successively by entering filtrating area behind the first flocculating chamber, the second flocculating chamber and the 3rd flocculating chamber after hexagon cellular tube settling, discharged by effluent weir after filter chamber orifice plate filters, water outlet flows into supervision pond, in supervision pond after water outlet after testing, qualified Chinese effluent, defective water outlet is reintroduced back to equalizing tank;
D () opens backwash water discharge valve, after filter above filter chamber orifice plate water perpendicular through after filter chamber orifice plate together with the precipitation in shore pipe after filtration backwash water shoot flow into spoil disposal drainage collection pond, after the stratification of spoil disposal drainage collection pond, supernatant liquid flows into equalizing tank, sinks to the bottom body refuse and washes in a pan landfill clearly.
8. constructing tunnel drain treatment apparatus carries out the method for constructing tunnel drainage sunk well according to claim 7, it is characterized in that, in step c, hexagon cellular tube settling Water discharge flow speed is 1.3mm/s.
9. constructing tunnel drain treatment apparatus carries out the method for constructing tunnel drainage sunk well according to claim 8, it is characterized in that, flocculation agent described in step b is polymer ferric aluminium sulfate chloride, and dosage is 7-12g/t, described flocculation agent is polyacrylamide, and dosage is 1-3mg/L.
10. constructing tunnel drain treatment apparatus carries out the method for constructing tunnel drainage sunk well according to claim 9, it is characterized in that, step c also comprises to supervision pond input Ca (ClO) 2, input concentration is 1.5mg/L.
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CN105528492B (en) * 2015-12-26 2018-06-15 中交第一公路勘察设计研究院有限公司 A kind of tunnel drainage amount partition control method based on conversion conversion infiltration coefficient
CN106630249A (en) * 2016-08-31 2017-05-10 无锡天康环保设备有限公司 Automatic tunnel wastewater treatment system
CN107500434A (en) * 2017-09-22 2017-12-22 江苏上塍环保科技有限公司 A kind of sewage-treatment plant and tunnel Waste Water Treatment and method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101538096A (en) * 2009-04-24 2009-09-23 北京国油联合油田技术服务有限公司 Method for processing waste slurry
CN101891312A (en) * 2010-08-04 2010-11-24 中国水利水电第九工程局有限公司 Large manual sandstone factory wastewater treatment process
CN204162495U (en) * 2014-10-15 2015-02-18 无锡天康环保设备有限公司 A kind of constructing tunnel drain treatment apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013104723A (en) * 2011-11-11 2013-05-30 Kurita Water Ind Ltd METHOD AND APPARATUS FOR TREATING Sr-CONTAINING WATER

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101538096A (en) * 2009-04-24 2009-09-23 北京国油联合油田技术服务有限公司 Method for processing waste slurry
CN101891312A (en) * 2010-08-04 2010-11-24 中国水利水电第九工程局有限公司 Large manual sandstone factory wastewater treatment process
CN204162495U (en) * 2014-10-15 2015-02-18 无锡天康环保设备有限公司 A kind of constructing tunnel drain treatment apparatus

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