CN206473876U - A kind of flat pond suction dredge air lift structure - Google Patents

A kind of flat pond suction dredge air lift structure Download PDF

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Publication number
CN206473876U
CN206473876U CN201621493116.4U CN201621493116U CN206473876U CN 206473876 U CN206473876 U CN 206473876U CN 201621493116 U CN201621493116 U CN 201621493116U CN 206473876 U CN206473876 U CN 206473876U
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China
Prior art keywords
dredging tube
siphon
air lift
suction dredge
blower fan
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CN201621493116.4U
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付磊
程鉴昌
黄渤
黄桂华
刘凯俊
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Guangdong Xinhuan Environmental Protection Industry Group Co Ltd
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Guangdong Xinhuan Environmental Protection Industry Group Co Ltd
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Abstract

The utility model discloses a kind of flat pond suction dredge air lift structure, including pond body, it is vertically arranged one group of dredging tube for extending to pond body bottom, it is additionally provided with blower fan, main tracheae, it is connected between blower fan and main tracheae on blower fan adapter, main tracheae and connects one group of branched pipe being adapted with dredging tube, branched pipe loads in dredging tube and extends to the bottom of dredging tube.The lower section of the dredging tube is also hung with broken line type sludge collecting board, and taper collection mud cover is additionally provided between broken line type sludge collecting board and dredging tube.Air lift structure of the present utility model can improve suction dredge to high concentration sludge, caking sludge and big proportion sludge processing can, meanwhile, it is capable to reduce the energy consumption of suction dredge, can be widely applied to flat suction dredge field.

Description

A kind of flat pond suction dredge air lift structure
Technical field
The utility model is related to sewage treatment area, removes the dirt of sedimentation basin bottom in sewage disposal more particularly, to one kind The flat pond suction dredge air lift structure of mud.
Background technology
It is a kind of when handling raw water in the field of Environment Protection such as water process, sanitary sewage disposal, Industrial Wastewater Treatment Economic and practical mode is to put it into sedimentation basin to be precipitated, and then will be discharged again by the reclaimed water after precipitation in pond face Carry out another single treatment or directly use.It is exactly in precipitation process to have a very important link in this processing mode Pool bottom sludge discharge will be deposited to, it is in the prior art, main using plant equipment such as mud scraper and suction dredges, in order to discharge sludge During it is especially small to the agitation of water, while prevent separating out again for phosphorus, require effluent characteristics higher occasion mainly using inhaling Mud machine, wherein flat pond suction dredge is simple due to civil engineering structure, sedimentation basin construction cost is low, and spoil disposal is stable, and mud extraction concentration is high, if Standby operation energy consumption is low, reduce investment outlay with operation cost and be used widely.
In current common suction dredge, the hydrocone type multitube suction dredge of no subaqueous slumping seal is that operational reliability is high, The suction dredge most saved is safeguarded, but such existing suction dredge has following defect:
(1) siphon spoil disposal, is only leaned on, sludge flow velocity is low in dredging tube, is liable to stick to dredging tube tube wall and causes local stoppages Phenomenon.
(2), siphon suction dredge, is only applicable to the low second pond biochemical sludge of the small concentration of density.
(3), mud groove and center baseset mud cylinder sludge easily adhere to, it is hardened, sludge is easily accumulated.
(4), materialized mud that is high to sludge concentration, easily luming needs higher reflux ratio to dilute sedimentation basin water inlet, drop The low treatment effeciency of sedimentation basin.
(5), mud --- big yield band can only be inhaled using reduced concentrations in high concentration Sludge from primary sedimentation tank, easily hardened sludge occasion Heavy mud on a small quantity is walked, no side can not inhale mud.Backflow reprocessing load is big, operating cost is high.
(6) it can not absorb containing materialized muds such as more proportion larger particles such as sand, precipitation alkali, salts.
Utility model content
To overcome weak point of the prior art, the purpose of this utility model is to provide a kind of flat pond suction dredge air lift Structure, solves existing flat pond suction dredge high energy consumption, and the problem of the sludge containing more proportion larger particles can not be absorbed.
The utility model solves the technical scheme that its technical problem used:A kind of flat pond suction dredge air lift structure, Including pond body, one group of dredging tube for extending to pond body bottom is vertically arranged, blower fan, main tracheae, blower fan and main tracheae is additionally provided with Between be connected with blower fan adapter, one group of branched pipe being adapted with dredging tube, branched pipe loading dredging tube are connected on main tracheae Bottom that is interior and extending to dredging tube.
To prevent ventilation from being impacted to sludge settling, the lower section of the dredging tube is also hung with broken line type sludge collecting board, folding Taper collection mud cover is additionally provided between line style sludge collecting board and dredging tube.
For convenience of cleaning dredging tube, siphon forming apparatus is additionally provided with, the siphon connecting tube being connected with siphon forming apparatus, The air douche pipe stretched into collection mud drainage slot is additionally provided with the main tracheae, the siphon connecting tube is connected with main tracheae, Ball valve is provided between siphon connecting tube and main tracheae.
To improve the efficiency of blower fan, muffler and check valve, muffler and list are provided between blower fan and the blower fan adapter To being provided with telescopic joint between valve.The check valve of configuration can avoid equipment from being back to blower fan using water during flushing water flushing dredging tube, Telescopic joint can be reduced because fan operation shakes the influence to pipeline.
It is preferred that, the broken line type sludge collecting board integrates the specific attachment structure of mud cover and dredging tube as taper collection mud cover with taper Upper end is stuck on dredging tube outer wall using clip, and scraper plate upper surface is close in lower end, is conducive to sludge being collected into dredging tube mouthful, again Short circuit can be avoided to siphon away top clear water, improve and inhale mud concentration, can also avoid air lift from disturbing distant place bottom of pond, influence sedimentation effect.
The beneficial effects of the utility model:The utility model utilizes air blast by increasing a branched pipe in dredging tube Machine conveys low-pressure air to pond body bottom, with intersection mud cover, thus guide that the sludge in the collection mud cover of pond body bottom rotates to suction Mud pipe flows, and forms gas cement admixture, and proportion is less than water, and buoyancy is up, prevents while air-flow reaches bottom of pond disturbance bed mud It is only hardened.Suction mud effect is substantially increased, compared with common ventilation, more preferably, spoil disposal is more efficient for effect.Can from actual verification It is more preferable with the suction mud effect for obtaining low-pressure air.By conveying reasonable disposition stabilizing low voltage air into branched pipe, activate highly concentrated The mobility of sludge is spent, so as to significantly improve suction mud concentration.The collection mud cover can guide air-flow to break up caking sludge, also simultaneously It can prevent disturbance from, to collection mud cover external diffusion, influenceing sedimentation effect.Therefore, the improvement of the structure is passed through so that the suction mud of dredging tube Ability is greatly increased, that is, solves the problems, such as that preliminary sedimentation tank high concentration inhales mud, and second pond is solved again caused by the accidental causes such as shutdown Local stoppages problem, meanwhile, also solve the problem of big specific density particles thing is difficult to siphon away.The energy consumption of system can be effectively reduced, It is i.e. economical and practical.The structure of siphon pipe make it that the loss of flood peak is small, it is more smooth to inhale mud.The half soaking type centrifugal pump+efficiently penetrate The siphon forming apparatus of stream device composition has siphon efficiency high, and siphon is formed soon, the advantage of service life length.
Below with reference to drawings and examples, the utility model is described in detail.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the fiting relation figure of dredging tube and branched pipe in the utility model.
Fig. 3 is the structural representation of air-lift device in the utility model.
The partial enlarged drawing that Fig. 4 is I in Fig. 1.
The partial enlarged drawing that Fig. 5 is II in Fig. 1.
Embodiment
Embodiment, as shown in Fig. 1 to 5, a kind of flat pond suction dredge employs a kind of flat pond suction dredge air lift structure, Including pond body 1, the service bridge 2 in pond body 1 is erected at, central turnplate 3, baseset mud cylinder 12 are vertically arranged and extend to the bottom of pond body 1 One group of dredging tube 4 in portion, the collection mud drainage slot 5 connected with the upper end of dredging tube 4.Skimmer device is additionally provided with the collection mud drainage slot 5 13, the scum silica frost surge drum 14 coordinated with skimmer device 13 is additionally provided with pond body 1.One end is additionally provided with to stretch into collection mud drainage slot 5, Siphon pipe 6 and siphon forming apparatus 7 that the other end is placed in basic mud cylinder 12.The bottom surface for integrating mud drainage slot 5 as incline structure, One end close to siphon pipe 6 is low.The siphon forming apparatus 7 includes half soaking type centrifugal pump and efficient fluid jetter, structure tool There is siphon to be formed soon, low cost, the loss of flood peak are small compared with submerged pump, and energy consumption is low, and service life is long compared with immersible pump.It is described Siphon pipe 6 includes suction line 601, level across pipe 602 and discharge pipe 603, the dredging tube 601 and level across pipe 602 into 135 ° of angles, the discharge pipe 603 is with level across the angle in 90 ° of pipe 602.The siphon arrangement can substantially reduce siphon row Because of the spoil disposal resistance that the multiple 90 degree of sharp turns of siphon pipe are produced during mud, siphon spoil disposal efficiency is improved.Simultaneously also reduce siphon pipe and The cost of mud groove.
Air-lift device 8 is additionally provided with, the air-lift device 8 includes blower fan 801, main tracheae 802, blower fan 801 and main tracheae Blower fan adapter 803 is connected between 802, muffler 806 and check valve are provided between the blower fan 801 and blower fan adapter 803 807, telescopic joint 808 is provided between muffler 806 and check valve 807.Check valve can avoid equipment from rinsing suction mud using flushing water Guan Shishui is back to blower fan, and telescopic joint can be reduced because fan operation shakes the influence to pipeline.
One group of branched pipe 804 being adapted with dredging tube 4 is connected on main tracheae 802, branched pipe 804 loads in dredging tube 4 And extend to the bottom of dredging tube 4;The lower section of the dredging tube 4 is also hung with broken line type sludge collecting board 9, broken line type sludge collecting board Taper collection mud cover 10 is additionally provided between 9 and dredging tube 4.Cylinder lever connecting rod 15 is provided between the broken line type sludge collecting board and dredging tube 4, The taper collection mud cover 10 is fixed on dredging tube 4 by clip.Set in described dredging tube with broken line type sludge collecting board junction There is taper collection mud cover.Not only improve and sludge is collected into dredging tube mouthful, short circuit can be avoided to siphon away top clear water, raising suction mud again dense Degree, can also avoid air lift from disturbing distant place bottom of pond, influence sedimentation effect, can more increase air-flow to build-up areas sludge near suction inlet Stirring, the mobility, prevention or the destruction sludge that increase sludge are hardened, improve the suction mud concentration of big proportion sludge.
To ensure that every dredging tube inhales mud uniformly, one end that the dredging tube 4 coordinates with collection mud drainage slot 5 is provided with band and exported The spoil disposal telescoping valve 11 of bend pipe.Mud is inhaled using air lift+siphon combined type.Mud is inhaled using based on siphon for low concentration second pond, Air lift is inhaled supplemented by mud.Compound suction mud is carried using siphon aerating for high concentration Sludge from primary sedimentation tank.For the easily hardened materialization of big proportion Sludge uses air lift for supplemented by main siphon.Automatically controlled by field adjustable and PLC, for different sludge using most suitable The method of operation, it is ensured that suction mud stablizing effect is optimal, energy consumption is most saved.
Ball valve 809 is provided with every branched pipe 804 in the air-lift device 8;It is additionally provided with the main tracheae 802 The air douche pipe 805 stretched into collection mud drainage slot 5, the siphon connecting tube 71 is connected with main tracheae 802, in siphon connecting tube 71 Ball valve 809 is provided between main tracheae 802, the ball valve 809 between siphon connecting tube 71 and main tracheae 802 is when system is normally run It is closed.When equipment Long-time Shut-down or when dredging tube is blocked caused by other reasonses, ball valve 809 at this can be opened and started Siphon-pump is rinsed dredging pipeline to dredging tube one by one.Also susceptible to plugging indivedual dredging tubes can be carried out rushing periodically or for a long time Wash, prevention or dredge blockage.
The utility model by air lift and the combination of siphon, easy caking, than it is great, inhale the smaller occasion of mudflow amount, can be by Siphon, air lift combination are switched to based on air lift, supplemented by siphon, are improved and are inhaled mud concentration.In second pond, proportion is small, inhale mudflow amount very Big occasion, can switch to siphon, air lift combination based on siphon, the anti-blocking mode of air lift.In preliminary sedimentation tank, concentration is big, inhale mudflow amount Larger occasion, can switch to siphon, air lift combination based on siphon, mode supplemented by air lift, it is ensured that inhale mudflow smooth.
This individually can be run using new using air lift spoil disposal or siphon spoil disposal or using combined type sludge discharge way.Work as row Mud telescoping valve 11 is heightened to more than the liquid level of pond face, and it is air lift spoil disposal first to start when air-lift device restarts siphoning installation.Work as pass Air-lift device is closed, spoil disposal telescoping valve is reduced to below the liquid level of pond face and starts siphoning installation as siphoning type sludge discharging.In hydrocone type It is air lift+siphon combined type spoil disposal to restart air-lift device on the basis of spoil disposal.Every suction can be according to circumstances adjusted in use The air lift regulating valve of mud pipe configuration and the size of spoil disposal telescoping valve select to carry out spoil disposal in the way of based on air lift or based on siphon.
The utility model be able to can be had in preliminary sedimentation tank (high concentration), second pond, three heavy pond (easily lump sludge) occasions Effect is utilized, and completely avoid pool bottom sludge caking phenomenon, has been liberated manpower, has been greatly reduced reprocessing expense.Thirdly heavy Pond sediment can improve more than 3 times, during equal treating capacity, and discharge sludge volume can reduce by 3 times, greatly save follow-up sludge Dehydration cost, remarkable in economical benefits is improved, and 2 times are brought up to using the project suction dredge, sediment in preliminary sedimentation tank, and without blocking Problem, this project suction dredge is used in second pond, and sediment is also improved, it is possible to decrease reflux ratio, is saved energy consumption, is avoided simultaneously Block.
The utility model has widened the application field of low energy consumption suction dredge using air lift siphon combined type suction dredge, solves The suction of big proportion and easy hardened sludge, spoil disposal problem, improve sediment, solve the problems, such as that preliminary sedimentation tank high concentration inhales mud, solution Second pond determined because the local stoppages problem caused by accidental cause such as shutting down.Medium-and-large-sized sedimentation basin expenditure of construction is saved, simultaneously Also have the advantage that:
1st, reasonable disposition stabilizing low voltage air, activates the mobility of high concentration sludge, significantly improves suction mud concentration.
2nd, configuration mud sucking cover, guiding air-flow break up caking sludge, while preventing from disturbing sedimentation effect.
3rd, siphon+air lift combined type suction mud, saves energy consumption.
4th, every dredging tube top is fitted with air volume regulating valve, can easily adjust suction mudflow amount.
5th, serial siphon+interruption air lift can avoid dredging tube local stoppages problem completely.
6th, the height of immersible pump and the stainless steel Nozzle combination of optimization design processing is replaced using half soaking type centrifugal pump Jet siphonic system is imitated, siphon is formed faster, service life is longer.
7th, mud groove, centre mud cylinder configuration air douche pipe, periodic flushing prevention deposition.
8th, in easy caking, than great, the suction smaller occasion of mudflow amount, siphon, air lift combination can be switched to based on air lift, rainbow Supplemented by suction, improve and inhale mud concentration.
9th, second pond, proportion it is small, inhale the very big occasion of mudflow amount, siphon, air lift combination can be switched to based on siphon, gas Watch out for stifled mode.
10th, in preliminary sedimentation tank, concentration is big, inhale the larger occasion of mudflow amount, siphon, air lift combination can be switched to based on siphon, Mode supplemented by air lift, it is ensured that inhale mudflow smooth.
11st, the loss of flood peak of lower resistance siphon pipe is small, it is smooth to inhale mudflow.
12nd, the siphon of half soaking type centrifugal pump+efficient fluid jetter composition forms system siphon efficiency high, and siphon is formed soon, Service life is long.

Claims (5)

1. a kind of flat pond suction dredge air lift structure, including pond body (1), are vertically arranged one group of suction for extending to pond body (1) bottom Mud pipe (4), it is characterised in that:Blower fan (801) is additionally provided with, main tracheae (802) is connected between blower fan (801) and main tracheae (802) It is provided with blower fan adapter (803), main tracheae (802) and connects one group of branched pipe (804) being adapted with dredging tube (4), branch Pipe (804) loads in dredging tube (4) and extends to the bottom of dredging tube (4).
2. flat pond suction dredge air lift structure as claimed in claim 1, it is characterised in that:The lower section of the dredging tube (4) is also Broken line type sludge collecting board (9) is hung with, taper collection mud cover (10) is additionally provided between broken line type sludge collecting board (9) and dredging tube (4).
3. flat pond suction dredge air lift structure as claimed in claim 1 or 2, it is characterised in that:It is additionally provided with siphon and forms dress (7) are put, the siphon connecting tube being connected with siphon forming apparatus (7) is additionally provided with the main tracheae (802) and stretches into collection mud drainage slot (5) the air douche pipe (805) in, the siphon connecting tube (71) connects with main tracheae (802), siphon connecting tube (71) with Ball valve (809) is provided between main tracheae (802).
4. flat pond suction dredge air lift structure as claimed in claim 1, it is characterised in that:The blower fan (801) connects with blower fan Muffler (806) and check valve (807) are provided between pipe (803), is provided between muffler (806) and check valve (807) flexible Save (808).
5. flat pond suction dredge air lift structure as claimed in claim 2, it is characterised in that:The broken line type sludge collecting board (9) with Cylinder lever connecting rod (15) is provided between dredging tube (4), the taper collection mud cover (10) is fixed on dredging tube (4) by clip.
CN201621493116.4U 2016-12-31 2016-12-31 A kind of flat pond suction dredge air lift structure Active CN206473876U (en)

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CN201621493116.4U CN206473876U (en) 2016-12-31 2016-12-31 A kind of flat pond suction dredge air lift structure

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Application Number Priority Date Filing Date Title
CN201621493116.4U CN206473876U (en) 2016-12-31 2016-12-31 A kind of flat pond suction dredge air lift structure

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115253398A (en) * 2022-07-21 2022-11-01 深圳市水务(集团)有限公司阀门检测及维修分公司 Negative pressure type sand suction machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115253398A (en) * 2022-07-21 2022-11-01 深圳市水务(集团)有限公司阀门检测及维修分公司 Negative pressure type sand suction machine

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