CN208660460U - A kind of device of quick separating desilting particle - Google Patents

Abstract

The utility model discloses a kind of devices of quick separating desilting particle, including shell, water outlet is provided on the outer wall of the upper end of shell, the middle-end of the inside of shell is provided with helical orbit, the upper end of helical orbit is provided with helical orbit water inlet, helical orbit water inlet is connect with interior water inlet, and interior water inlet is connect by interface with outer water inlet.The device of the utility model quick separating desilting particle, using helical orbit as support inner wall, be conducive to the collection of sand setting, tangent flow water inlet, be conducive to reduce the outer for energy of device, energy consumption needed for desilting can be reduced, with the plug-flow nozzle of air supply plug-flow on helical orbit, break up the silt pollution conjugate in bed mud, nanometer aeration pipe can provide micro air bubble, for device inward flange region low-density, the stirring of middle density pollution mixture, agitation, separation, and device internal rotating water body is supplied to small buoyancy, ensure to flow up and discharge system with what the sludge pollution object of levitated equilibrium similar in water density can continue.

Description

A kind of device of quick separating desilting particle

Technical field

The utility model relates to separator technical field, specially a kind of device of quick separating desilting particle.

Background technique

Urban development construction and water resource have contacting closely, due to protecting in urban environmental protection without implementing ecology Shield measure, not in time etc. along with the pollution of city water resource, river course clear up, so that there is phenomena such as black smelly in city river, and And the river in city is not cleared up for a long time, will lead to harmful substance release.In addition, the water circulation ability of some city rivers compares Difference, water body desilting is more, and water body flow is weaker, and the environment of water plant and animal survival in river cannot improve, It will affect the self-purification capacity of city river water body, final water body color gradually becomes green, and then black smelly phenomenon occurs.

The main reason for causing black and odorous water has: external source pollution, endogenous pollution, self-purification capacity is poor, lacks permanent mechanism, by In one of the above or many reasons it is comprehensive as a result, lead to black and odorous water, black and odorous water improvement should follow " external source emission reduction, endogenous The technology path of dredging, purification of water quality, clear water supply, ecological recovery ", external source emission reduction and endogenous dredging are basis and premise, water Matter purification is interim means, and hydrodynamic force improving environment and ecological recovery are long-acting safeguards.

External source interrupter technique includes that city cuts dirt and receives pipe and face source and controls two kinds of situations.Sewage collecting system is improved for shortage Sewage is shut off and is included in sewage collecting and processing system by building and be transformed the sewage conduct of water body bank by the water body of system, from The direct emission of pollutant is cut down on source.The sewage of pipe is received to there is no condition cut dirt, can use efficient level-one in situ Enhanced sewage processing technique or technique, the pollution for avoiding sewage in line to water body.City surface source pollution control technology mainly includes Low influence exploitation (such as sponge city) technology in various cities, initial rainwater control technology and ecological revetment technology.Water body periphery The cleaning of rubbish is the important measures of pollution of area source control.

Endogenous control technology is predominantly desilted and dredged technology, usually there are two types of: one is drain dredging after lake/river water；Separately One is mud is directly removed from water with dredger.The application range of the latter is wider, and desilting and dredging relatively quickly to improve Water quality, but dredging process largely enters water body because disturbance easily leads to pollutant, influences the stabilization of water ecosystem, has one Fixed ecological risk.

It after Sediment Dredging, needs to carry out processing disposition to the bed mud of dredging, cannot arbitrarily stack pollution environment, domestic, river The bed mud that dredging engineering in general is cleaned up by environment-friendly type cutter suction dredger is delivered to bed mud storing place using closed conduct, needs Solidification and recycling treatment are carried out to it by certain method, nowadays the main method packet of domestic sludge handling disposition Include natural-dehydration seasoning, vacuum preloading evaporation, geotextile tube bag method, mechanical dehydration method, stirring solidification method etc..

Natural-dehydration seasoning, construction technology is very simple, and direct processing cost is minimum, be suitble to processing it is a small amount of, in it is low Moisture content, free of contamination undisturbed sediment, major defect is: dehydration efficiency is low, and arid cycle is long, does not pass through innoxious place Reason is easy to affect greatly surrounding enviroment there are secondary pollution risk, applies man-hour requirement and occupies a large amount of places for a long time, Construction quality is restricted by weather condition.

Vacuum preloading evaporation, carries out that bottom-mud dewatering construction technology is fairly simple, is directly processed into using vacuum method This is relatively low, is chiefly used in the pollution-free sludge handling engineering that operation side is big, duration progress is loose, processing requirement is not high, It is low particularly with the content of organic matter, silt content is high, the bottom-mud dewatering of good water permeability is more effective, but its significant drawbacks is: construction Period is longer, needs to occupy a large amount of places for a long time, and sludge handlings big for clay content, that fine grained is more, organic matter is high are past Toward will cause the blocking of geotextiles aperture, cause sludge that can not dehydrate for a long time, and due to not to the harmful substance of bed mud Sealing and harmless treatment are carried out, there are the potential risks of pollution transportation.

Geotextile tube bag method is low for the content of organic matter, silt content is high, the bottom-mud dewatering of good water permeability is more effective.But its Long construction period needs to occupy a large amount of places for a long time and stacks pipe bag, and sludge handling big for clay content, more than organic matter is past Toward will cause pipe band aperture block, cause sludge for a long time can not dehydrate, and due to not to the harmful substance of bed mud into Row sealing and harmless treatment, there are the potential risks of pollution transportation.

Mechanical dehydration method, can be thorough to the detoxication in bed mud, and cured modified bed mud can do engineering backfill at once Soil utilizes, and environmental suitability is strong, and the duration is secure, is the domestic scheme for using comparative maturity, one of mechanical desiccation it is crucial because Element is to carry out desanding to bed mud, guarantees the normal operation of subsequent mechanical drying equipment and the effect of bed mud conditioning, the benefit of setting pot With municipal sewage plant's setting pot is different from, bed mud sand setting water inlet moisture percentage in sewage sludge is 90 ~ 97%, is directed to river external source at present Pollution emergency processing and channel cleanout mode generally use flocculation sedimentation technique, and are generally respectively provided with as flocculation process pre-treatment There is setting pot, pretreatment settling pit generally uses horizontal flow type grit chamber, aerated grit chamber or rotational flow grit chamber.

Using horizontal flow type grit chamber, exists and take up a large area, organic matter in general desilting in municipal sewage plant's operation Energy content is 15% or more, and using rotational flow grit chamber, desanding efficiency is high, and present municipal sewage plant generallys use such sand setting Pretreating process of the pond as municipal wastewater treatment plant, but structure is complicated for its presence, it is necessary to and mating blender, agitator arm will also be protected Holding certain water inlet flow velocity and water inlet direction can be only achieved effect, and agitator arm is frequently present of winding fibrous object influence and stirs It mixes, equipment price is relatively high, aerated grit chamber is acted on by swirling flow, and the collision and friction removal nothing between inorganic particle are utilized Machine object surface organic matter, aeration settling pit is in use, also need preaeration, and intaking, it is relatively high to require, and needs stable flow velocity, water Stream requires steady.

In existing waterway governance process, it is found that the bed mud of river bottom mud and municipal sewage plant makes a big difference: 1, River bottom mud moisture content is generally lower than sewage treatment plant, and about 50 ~ 70%, and moisture content in municipal sewage plant's water inlet 99.9%, primary sedimentation pond moisture percentage in sewage sludge is also up to 97%；2, bed mud sand factor is significantly larger than municipal sewage plant in river The quantity of sand and mud of water inlet；3, river bottom mud, sludge, pollutant are close compared with silt particle combination, and pollutant is substantially in addition to silt particle Sludge in, in governance process, need to separate sandstone with polluted sludge, to the greatest extent reduce sand setting in organic sludge Pollutant load.

Therefore, river regulation needs that a kind of quick sand setting, sand setting be clean compared with organic matter quick separating, sand setting, land occupation Desilting device small, specifically for river high sediment concentration waste water, is applicable to small-sized river high pressure washing dredging, and can be used for The processing of silt-cleaning vessel for river way suction bed mud.

Utility model content

The purpose of this utility model is to provide a kind of devices of quick separating desilting particle, and structure is simple, maintenance management Convenient, construction operation is at low cost, can solve problems of the prior art.

To achieve the above object, the utility model provides the following technical solutions: a kind of device of quick separating desilting particle, Including shell, it is provided with overflow weir on the inner wall of the upper end of the shell, water outlet is provided on the outer wall of the upper end of the shell Mouthful, the middle-end of the inside of the shell is provided with helical orbit, and the upper end of the helical orbit is provided with helical orbit water inlet, The helical orbit water inlet is connect with interior water inlet, and the interior water inlet is connect by interface with outer water inlet, the spiral Each layer of track is mounted on plug-flow nozzle of air supply, nozzle of air supply valve of each layer of the plug-flow nozzle of air supply with each layer Connection, each layer of nozzle of air supply valve are both connected on the tracheae valve of outer side of shell, the lower end setting of the shell There is nanometer aeration pipe, the nanometer aeration pipe is connect with nanometer aeration steam line, one end of the nanometer aeration steam line It is connect through the outside that shell extends to shell with tracheae valve, the gas supply main pipe is also connect with air lift air inlet pipe, the gas The lower end that air inlet pipe is located at the inside of shell is mentioned, air lift is additionally provided on the inside of the shell and inhales sand tube, the air lift inhales sand tube It is connect with sand suction pipe outlet connector, sand suction pipe outlet connector is located at the outside of shell.

Preferably, the outer water inlet can be different length and angle by river width and flow set.

Preferably, the height of the outer water inlet is greater than the height of interior water inlet, and the liquid level of outer water inlet 1 is greater than dress Set internal liquid level.

Preferably, the middle-end of the interface is provided with stainless steel filter screen, and the mesh diameter of stainless steel filter screen is 3 ~ 10mm。

Preferably, the helical orbit is a kind of triangle water inlet track with one fixed width being process by steel plate Component.

Preferably, the helical orbit is extended by certain angle towards bottom and internal diameter gradually becomes smaller, and shape is twist Shape.

Compared with prior art, the beneficial effects of the utility model are as follows:

The device of the utility model quick separating desilting particle is not necessarily to wide-angle using helical orbit as support inner wall For pyramidal structure inner wall as eddy flow inner wall, structure is simple, and bottom volume increases, and is conducive to the collection of sand setting, outer water inlet with it is interior Water inlet composition water inlet access ramp, form the liquid level difference inside and outside a device, when streamflow is flowed through by certain flow rate, outside into Water flow dynamic energy can be converted to gravitional force and kinetic energy by the mouth of a river, form pressurized fluid, and outer the design of intake is and internal helicoid rail Road tangential direction, tangent flow water inlet are conducive to reduce the outer for energy, energy consumption needed for can reducing desilting, with spiral of device Plug-flow nozzle of air supply plug-flow on track, can provide eddy flow power, and making water body is the state of a rotation in whole device, A bubble can be carried out to water inlet mixture again to rinse, break up the silt conjugate in bed mud, solve silt and mud knot in bed mud Close problem is closed, nanometer aeration pipe can provide micro air bubble, for low-density, the stirring of middle density mixture, agitation, divide From, and device internal rotating water body is supplied to small buoyancy, it is ensured that it can continue with the mud of levitated equilibrium similar in water density Flow up and discharge system, be applicable to small-sized river high pressure washing dredging, but can be used for silt-cleaning vessel for river way suction bottom The processing of mud, the sand setting time is short, load is big, construction cost is low, buried can not only be used by river intake pressure, but also can set It is used in desilting equipments such as ground linking channel cleanout water pumps, operation is fairly simple, and efficiency is much higher than traditional setting pot.

Detailed description of the invention

Fig. 1 is the plan view of the utility model；

Fig. 2 is the front view of the utility model；

Fig. 3 is the partial cutaway view one that plug-flow nozzle of air supply is installed on the helical orbit of the utility model；

Fig. 4 is the partial cutaway view two that plug-flow nozzle of air supply is installed on the helical orbit of the utility model；

Fig. 5 is the partial schematic diagram that plug-flow nozzle of air supply is installed on the helical orbit of the utility model.

In figure: 1, outer water inlet；2, interface；3, interior water inlet；4, shell；5, overflow weir；6, helical orbit；7, plug-flow into Gas jets；8, water outlet；9, helical orbit water inlet；10, nanometer aeration pipe；11, nanometer aeration steam line；12, air lift is inhaled Sand tube；13, air lift air inlet pipe；14, nozzle of air supply valve；15, sand suction pipe exports connector；16, tracheae valve.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-5, a kind of device of quick separating desilting particle, including shell 4 are please referred to, on the inner wall of the upper end of shell 4 It is provided with overflow weir 5, water outlet 8 is provided on the outer wall of the upper end of shell 4, the middle-end of the inside of shell 4 is provided with spiral track Road 6, helical orbit 6 are a kind of component of triangle water inlet track with one fixed width being process by steel plate, spiral track Road 6 and level have a certain degree α towards the elongation of bottom spiral, and track width and size gradually become smaller, and helical orbit 6 presses one Angle is determined towards bottom elongation and internal diameter gradually becomes smaller, and helically shape, helical orbit 6 generally there are 3 ~ 6 layers to shape, outside water inlet Angled and certain length can be designed in triangle track internal flow, triangle track, meet wanting for fluid flowing It asks, and the centre of triangle track is provided with the progress plug-flow of plug-flow nozzle of air supply 7 and is pushed away with the speed for keeping fluid certain Flowing into gas jets 7 and helical orbit 6, angle is installed as required, is constantly generated thrust gas and is acted on fluid, to keep entire dress Certain rotational flow of interior water body, the external steam line of plug-flow nozzle of air supply 7 are set, nozzle of air supply valve can be used in each pipeline 14 settings adjust the size of air demand, and different 7 jet amounts of plug-flow nozzle of air supply is different, and the thrust of generation is different, using spiral Track 6 is as support inner wall, and without wide-angle pyramidal structure inner wall as eddy flow inner wall, structure is simpler, and bottom volume is bigger, Be conducive to the collection of sand setting.

The advantages of present apparatus comprehensive water conservancy cyclonic separation and spiral-flow desilting, is below described its principle.

Water inlet outside device generates pressurized fluid, pressurized fluid by height difference inside and outside external water stream flow velocity and device inside Waste water i.e. to be treated containing silt and pollutant, pressurized fluid is entered in device by a tangential inlet, due to tangential Flow velocity obliquely promotes fluid to rotate in the device, and the taper of spiral path accelerates the flowing of fluid spiral shape, establishes Free vortex creates big centrifugal force.Centrifugal force causes light substance to dissociate to the center of spiral path, and density is big Substance bottom outer wall is thrown to towards eddy flow bottom direction due to the effect of power, by keeping underflow under high pressure, force vortex Concentration light density objects core adverse current.As a result, light density objects inversely flow to overflow weir discharge, light density larger object desilting Water flow then flows to Bottom current deposition, and middle density objects flow in the outer water in suspension of helical orbit.

Specific to device application: whole device entire water body presentation eddy flow state, suspended particulate of different densities when using There is different fluidised forms, in being rotated clockwise, high density sandstone is precipitated in bottom with water flow rotary water flow, and low-density is outstanding in water Floating object constantly constantly flows to four from bottom adverse current to device upper layer, and with water flow in the most fast region of eddy flow center flow velocity Week, the suspended particulate substance of middle density are thrown toward surrounding low flow velocity area, and eddy flow track is existed in water with exterior domain, low density suspended matter Constantly combined with the micro air bubble that bottom generates when eddy flow, buoyancy raising, low-density suspended matter therefrom lower layer's jacking to overflow It is flowed out in weir 5 with water, due to the specific surface area difference of sandstone and suspended matter, sandstone can not generally be pushed away in conjunction with bubble and gradually 4 inner wall of shell is flowed to, by this form, sandstone has been done with suspended particulate and has further separated to form relatively clean sand Stone particle, the upper end of helical orbit 6 are provided with helical orbit water inlet 9, and helical orbit water inlet 9 is connect with interior water inlet 3, interior Water inlet 3 is used as a water inlet tube passage, is directly deep into internal helical orbit water inlet 9, interior water inlet at an angle Mouth 3 is connect by interface 2 with outer water inlet 1, and outer water inlet 1 can be different length and angle by river width and flow set Degree, outer water inlet 1 are a mobilizable interface, and the inner wall of outer water inlet 1 is smooth arc structure, and outer water inlet 1 uses Water inlet of the water pump water outlet as device, the middle-end of interface 2 are provided with stainless steel filter screen, and the mesh diameter of stainless steel filter screen is 3 ~ 10mm, stainless steel filter screen are greater than interior for the bulks sundries such as rubbish, leaf, wooden unit in trap water, the height of outer water inlet 1 The height of water inlet 3, the liquid level of outer water inlet 1 are greater than the liquid level inside device, outer water inlet 1 and interior water inlet 3 Composition water inlet access ramp, forms the liquid level difference inside and outside a device, when streamflow is flowed through by certain flow rate, outer water inlet 1 Water flow dynamic energy can be converted to gravitional force and kinetic energy, form pressurized fluid, outer water inlet 1 belong to it is movable by river width and Flow velocity design connection water inlet, outer water inlet 1 be designed as with 6 tangential direction of internal helical tracks, tangent flow water inlet, favorably In outer for energy, the energy consumption needed for can reducing desilting for reducing device, each layer of helical orbit 6 is mounted on plug-flow air inlet spray Mouth 7 can provide eddy flow power, making water body is one in whole device with 7 plug-flow of plug-flow nozzle of air supply on helical orbit 6 The state of a rotation, and a bubble can be carried out to water inlet mixture and rinsed, the silt conjugate in bed mud is broken up, bed mud is solved The problem of middle silt and mud are tightly combined, each layer of plug-flow nozzle of air supply 7 is connect with each layer of nozzle of air supply valve 14, Each layer of nozzle of air supply valve 14 is both connected on the tracheae valve 16 in 4 outside of shell, and the lower end of shell 4, which is provided with, to be received Rice aeration tube 10, nanometer aeration pipe 10 form a plane square nanometer aeration pipeline, have micro air bubble generation on pipeline, receive Rice aeration tube 10 uses inorganic, and the aeration tube of ceramic material can be selected, be combined into a polygon or circular aeration Supervisor, position is between helical orbit 6 and shell 4,1 ~ 3mm of bubble diameter, and bubble generates speed and presses in the dense of aqueous suspension Degree is adjusted, and intensity is generally less than municipal sewage plant's aeration intensity, and nanometer aeration pipe 10 can provide micro air bubble, be used for Stirring, agitation, the separation of low-density, middle density mixture, and device internal rotating water body is supplied to small buoyancy, it is ensured that with What the mud of levitated equilibrium similar in water density can continue flows up and discharge system, and nanometer aeration pipe 10 and nanometer aeration supply Feed channel 11 connects, and one end of nanometer aeration steam line 11 extends to the outside of shell 4 through shell 4 and tracheae valve 16 connects Connect, gas supply main pipe 11 is also connect with air lift air inlet pipe 13, and air lift air inlet pipe 13 is located at the lower end of the inside of shell 4, shell 4 it is interior Side is additionally provided with air lift and inhales sand tube 12, and air lift is inhaled sand tube 12 and connect with sand suction pipe outlet connector 15, and sand suction pipe exports connector 15 are located at the outside of shell 4, and bottom of device forms a taper sand deposition hopper by 45 ~ 60 degree of angles, can when sand deposition hopper sandstone is more Sand tube 12 is inhaled using air lift and air lift air inlet pipe 13 carries out sediment outflow, and fine sand inhales sand tube 12 by sand suction pipe outlet connection by air lift Mouth 15 is discharged.

In summary: the device of the utility model quick separating desilting particle is used as support inner wall using helical orbit 6, Without wide-angle pyramidal structure inner wall as eddy flow inner wall, structure is simple, and bottom volume increases, and is conducive to the collection of sand setting, outside Water inlet 1 and interior water inlet 3 composition water inlet access ramp, form the liquid level difference inside and outside a device, when a constant current is pressed in streamflow When speed flows through, water flow dynamic energy can be converted to gravitional force and kinetic energy by outer water inlet 1, form pressurized fluid, and outer water inlet 1 designs For with 6 tangential direction of internal helical tracks, tangent flow water inlet, be conducive to reduce device it is outer for energy, desilting institute can be reduced The energy consumption needed can be provided eddy flow power, be made water body in whole device with 7 plug-flow of plug-flow nozzle of air supply on helical orbit 6 It is the state of a rotation, and a bubble can be carried out to water inlet mixture and rinsed, breaks up the silt conjugate in bed mud, solve The problem of silt and mud are tightly combined in bed mud, nanometer aeration pipe 10 can provide micro air bubble, mix for low-density, middle density Stirring, agitation, the separation of object, and device internal rotating water body is supplied to small buoyancy, it is ensured that it suspends with similar in water density What the mud of balance can continue flows up and discharge system.It is heavy that the present apparatus is applicable to small-sized river high pressure washing dredging waste water Sand, and can be used for the waste water desilting processing of silt-cleaning vessel for river way suction bed mud.The present apparatus sand setting time is short, load is big, is constructed into This is low, buried can not only be used by river intake pressure, but also can be placed in the desilting equipments such as ground linking channel cleanout water pump It uses, operation is fairly simple, and efficiency is much higher than traditional setting pot.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of device of quick separating desilting particle, including shell (4), it is characterised in that: the upper end of the shell (4) it is interior Be provided on wall overflow weir (5), be provided with water outlet (8) on the outer wall of the upper end of the shell (4), the shell (4) it is interior The middle-end of side is provided with helical orbit (6), and the upper end of the helical orbit (6) is provided with helical orbit water inlet (9), the spiral shell Rotation track water inlet (9) is connect with interior water inlet (3), and the interior water inlet (3) is connect by interface (2) with outer water inlet (1), Each layer of the helical orbit (6) is mounted on plug-flow nozzle of air supply (7), and each layer of plug-flow nozzle of air supply (7) is and often One layer of nozzle of air supply valve (14) connection, each layer of nozzle of air supply valve (14) are both connected on the outside of shell (4) On tracheae valve (16), the lower end of the shell (4) is provided with nanometer aeration pipe (10), the nanometer aeration pipe (10) and nanometer It is aerated steam line (11) connection, one end of the nanometer aeration steam line (11) extends to shell (4) through shell (4) Outside is connect with tracheae valve (16), and the nanometer aeration steam line (11) also connect with air lift air inlet pipe (13), the gas The lower end that air inlet pipe (13) is located at the inside of shell (4) is mentioned, air lift is additionally provided on the inside of the shell (4) and inhales sand tube (12), The air lift is inhaled sand tube (12) and is connect with sand suction pipe outlet connector (15), and sand suction pipe outlet connector (15) is located at shell (4) outside.

2. a kind of device of quick separating desilting particle according to claim 1, it is characterised in that: the outer water inlet It (1) can be different length and angle by river width and flow set.

3. a kind of device of quick separating desilting particle according to claim 1, it is characterised in that: the outer water inlet (1) height is greater than the height of interior water inlet (3), and the liquid level of outer water inlet (1) is greater than the liquid level inside device.

4. a kind of device of quick separating desilting particle according to claim 1, it is characterised in that: the interface (2) Middle-end is provided with stainless steel filter screen, and the mesh diameter of stainless steel filter screen is 3 ~ 10mm.

5. a kind of device of quick separating desilting particle according to claim 1, it is characterised in that: the helical orbit It (6) is a kind of component of triangle water inlet track with one fixed width being process by steel plate.

6. a kind of device of quick separating desilting particle according to claim 1, it is characterised in that: the helical orbit (6) it is extended by certain angle towards bottom and internal diameter gradually becomes smaller, shape helically shape.