CN208436509U - A kind of multilayer water conservancy diversion plate washer orientation desilting sand discharge filter device - Google Patents
A kind of multilayer water conservancy diversion plate washer orientation desilting sand discharge filter device Download PDFInfo
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- CN208436509U CN208436509U CN201820775237.0U CN201820775237U CN208436509U CN 208436509 U CN208436509 U CN 208436509U CN 201820775237 U CN201820775237 U CN 201820775237U CN 208436509 U CN208436509 U CN 208436509U
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Abstract
The utility model discloses a kind of multilayer water conservancy diversion plate washers to orient desilting sand discharge filter device, belongs to water treatment field.In the device, water inlet pipe is located in the middle part of crust of the device, the bottom plate of two sides setting certain slope, baffle is arranged in backplate surface, keep water flow more smooth into the hole in first layer baffle, three layers of flow apron are set above bottom plate, equidistantly open up through-hole on first layer baffle slope position, the aperture in the middle part of second layer baffle.Water flows through first layer baffle change direction and after third layer baffle, flows slowly into the collection sand pit in pond by the discharge outlet directed flow of design, and sand discharge pipe discharge sand is arranged.Integral filter slot is set above pond.Gravity and the flow energy of water is fully utilized to carry out desilting, filter sand, sand discharge in the utility model, does not need additional a large amount of electric energy, is a kind of device for being not only able to satisfy energy-saving and emission-reduction but also meet environmental protection.
Description
Technical field
The utility model relates to a kind of multilayer water conservancy diversion plate washers to orient desilting sand discharge filter device, belong to water process neck
Domain.
Background technique
China's surface water resources is very abundant, such as the Yellow River, the Changjiang river, Huaihe River, Zhujiang River rivers and creeks and reservoir, lake and sea
Domain etc. is all the good water supply source that rural area, city and industrial enterprise utilize water resource.But China the North and South water provides
Source distribution is unbalanced, be for a long time objective reality the phenomenon that.Southern area surface water is relatively abundanter, and silt phase in river
To less, and northern area rainfall is few, and the runoff catchment area region of most of mountain streams, water flow domain and the network of waterways
Smaller, and the density of the network of waterways is relatively low, general surface water is not very abundant, and takes surface water as water source often
Need long distance delivery.The especially basins such as the Yellow River, the Yanhe River, Weihe River, flow through loose soil bed and loess formation is regional, soil erosion,
Channel scour is more serious, so that silt content is especially high when river being made to carry under one's arms a large amount of silt, especially flood season.These silts
Inconvenience is brought to agricultural irrigation, domestic water and industrial water.
The achievement for having been achieved for more being satisfied with is separated to the silt of coarse granule partial size at present, but for grain diameter
Thinner suspended quality separation also needs further to study.For fine sediment separate it is very difficult, at present for mud
Sand ground processing there are many engineering measures, but for partial size less than 0.05mm silt sedimentation get up be it is very intractable, because
This brings very more harm and inconvenience to the domestic water of industrial water and the people.
With the rapid development of economy and science and technology etc., the quality of life of the people is significantly promoted, industrial water, agricultural
It is also higher and higher with water quality requirement with the water of water and domestic water, and ground water reserve amount is limited, therefore most water factory
Source water be all derived from rivers and lakes.For silt in rivers processing at present most common processing method be exactly by raw water first from
Natural sedimentation processing is carried out in right sedimentation basin, is later again carried out the muddy water after primary deposition at flocculation sedimentation with chemical agent
Reason, is finally filtered, unprecipitated flocculate is filtered out, and obtains the clear water that can be used for industry.Work is compared in the processing of domestic water
A procedure more than industry water exactly carries out disinfection the clear water after filtering processing, again to remove the bacterium in water, virus etc.
Nuisance, to obtain the water for the health for being beneficial to human body.Mud after flocculation sedimentation is mechanical and manpower excludes jointly.This
There are many deficiencies for the method for kind separation clear water, first is that long processing period；Second is that separator cost is high；Third is that addition chemical drugs
The a large amount of electric power of coagulation process that agent carries out flocculation homogenizing is consumed, and remaining chemical agent in tap water, strong to human body
Kang Feichang is harmful；Fish can be made lethal fourth is that water factory's mud contains hazardous substance, river can not be discharged into, lead to environmental pollution.
Also there is equipment component to be removed by physics subsidence style to silt at present, such as the flat flow precipitating of early stage
Pond.But the hydraulic detention time of such sedimentation basin is too long, and lower for the treatment effeciency of small granular suspended matters.Therefore,
The high-efficient treatment devices such as spiral-flow type sedimentation basin and inclined-plate clarifying basin are further developed on the basis of rectangular sedimentation tank, then
The processing capacity of such sedimentation basin is weaker.By taking inclined-plate clarifying basin as an example, high-velocity flow can not be handled, when processing flow is excessive
When, cause pool inner water stream flow velocity slightly also to increase, water flow will pass through inclined plate quickly, substantially reduce silt sedimentation efficiency.
Therefore, there is an urgent need to study one kind can be i.e. environmentally friendly, and it is economical and can separate high muddiness and to contain fine grained suspended
The new technology of matter water flow.
Summary of the invention
Purpose of the utility model is to solve the period in traditional silt sedimentation is long；Expend a large amount of electricity charge, medicament and
Machinery cost；Disadvantage containing the chemical substance polluted to water source in separator height and the silt of discharge.And it is based on fluid
Dynamics and river load dynamics sediment incipient motion and Settlement Mechanism, and a kind of multilayer water conservancy diversion plate washer orientation desilting sand discharge mistake is provided
Filter device, be it is a kind of it is novel integrate desilting, filter sand, sand discharge device.
Specific technical solution used by the utility model is as follows:
Multilayer water conservancy diversion plate washer orients the crust of the device inner hollow of desilting sand discharge filter device, and water inlet pipe protrudes into crust of the device
Inner cavity, and the water outlet surrounding of water inlet pipe has the bottom plate for tilting down the gradient around setting, is sequentially coaxially arranged above bottom plate
First layer baffle, second layer baffle and third layer baffle；The first layer baffle covers in above bottom plate and clamps formation first
The plate body center of runner, first layer baffle face water inlet pipe water outlet is closed and is gradually reduced height around by plate body center
Degree；The second layer baffle, which is covered in above first layer baffle and clamped, forms second flow channel, second layer baffle face water inlet pipe
The center aperture of water outlet, and the edge of second layer baffle is bent towards centrally located water inlet pipe side, package first
It is extended to above bottom plate after layer baffle edge, forms the bending type runner of the connection first runner and second flow channel；And
There are the gaps flowed out for silt between second layer baffle edge end and bottom plate；Second layer baffle, bottom plate and the dress
It sets clamping between outer casing inner wall and forms collection sand pit, the gap connection collection sand pit；Circumferential direction opens up on the first layer baffle
There is the through-hole of several connection first runners and second flow channel；The third layer baffle covers in above second layer baffle and clamps shape
At third flow channel, the plate body center of third layer baffle face water inlet pipe water outlet it is closed and by plate body center around gradually
Falling head.
The utility model is provided with the multilayer baffle of special construction above water inlet pipe water outlet, and water can be changed by baffle
It flows direction, reduce flow velocity and head pressure, extend flow path, so that the silt in water flow is in flow process in gravity
Lower precipitating is deposited in silt on baffle under the effect of gravity, is slid into the collection sand pit of bottommost along baffle surface, and clarifies
The supernatant then overflow at the top of the device.The process is not necessarily to electric power, and efficient desilting can be completed merely with itself head of water flow
Turbidity removal.Compared to common at present gravity settling basin, rotational flow settling pond and inclined-plate clarifying basin, the utility model can be more effective
Ground handles the water flow of high flow rate, because multilayer baffle arrangement can make high-velocity flow according to the runner forcibly changing direction of design,
Weaken water flow water head energy, silt can more preferably be settled.
Based on the above-mentioned technical proposal, the utility model can also provide preferred embodiment further below, and various preferred
Technical characteristic in mode can be combined with each other in case of no collision.
Preferably, several baffles are provided on the bottom plate, the through-hole opened up on baffle and first layer baffle
It is arranged in a one-to-one correspondence, for the water flow in first runner to be drained in second flow channel by the through-hole.Baffle can make
Water flow in first runner more smoothly enters in second flow channel.Meanwhile the through-hole lower edge on first layer baffle can also fit
The deflector tilted down is set to answering property, water flow is imported above through-hole.
Preferably, crust of the device lower part is equipped with the sand discharge pipe for being connected to the collection sand pit.When the silt deposited in collection sand pit
Reach when need sand discharge, sand discharge pipe can be opened and discharge it device.Moreover, sand discharge pipe is preferably provided with 4, along cylindrical shape
Crust of the device it is circumferentially uniformly distributed, be in 90 ° of angles between adjacent two sand discharge pipes, when this design is so that 4 sand discharge pipes open simultaneously,
Bottom of device will form annular water flow, accelerate the discharge of silt.
Preferably, the bottom plate, first layer baffle, second layer baffle are identical with the gradient of third layer baffle.Due to
The gradient of each baffle is identical, therefore the gradient for the runner being actually formed is also identical.And the change of the gradient will affect the flowing of water flow
State, through overtesting, in the range of slope angle is 30 °~60 °, silt, which can be realized, preferably to be settled.It is to be noted that
Since three layers of baffle and bottom plate are not totally straight plane, the gradient described herein, slope angle refer to baffle and bottom
The gradient, the slope angle of straight portion on plate.Bending part is not included in and is limited herein, but the bending part of each baffle, bottom plate its most
It is good to be also set in parallel, to guarantee that the cross section of runner is stablized, reduce turbulent flow.
Preferably, the crust of the device is cylindrical, the bottom plate, first layer baffle, second layer baffle and
The projection of three layers of baffle in the horizontal plane is circle, while the projection radius of third layer baffle is preferably smaller than the throwing of second layer baffle
The radius of shadow, more have choosing is that the projection radius of third layer baffle is that second layer baffle projects the 1/2 of radius.Crust of the device and each
Baffle is rounded can to make the water-flow equation in device more uniform, avoid the occurrence of dead angle.
Preferably, being provided with lautertuns above the crust of the device, filtrate, ring on side wall are filled in lautertuns
Overflow weir is wound with as water outlet, overflow weir outside is equipped with the annular collecting tray for collecting spilling water, annular collecting tray and water outlet
Pipe is connected；The scale of observation trough inner water position is preferably installed in lautertuns.The top water outlet that lautertuns is set to crust of the device is disconnected
On face, water flow, which has to pass through filtering, to flow out.Baffle arrangement in the utility model can be in the case where low flow velocity preferably
Desilting function is realized on ground, but when flow rate of water flow is very fast, and partial size lesser particulate matter in part with water outlet it is possible to be discharged, therefore
Lautertuns can further function as the effect of filter sand.And the annular overflow weir of lautertuns can be formed centainly above groove face
Head height, for the subsequent backwash process realized without energy consumption.
Further, the filtrate is the bamboo charcoal filtrate of graded gravel loaded filter or outsourcing geotextiles.Graded gravel is anti-
Filtering layer and bamboo charcoal filtrate alternative use, and graded gravel loaded filter are directlyed adopt when requiring lower to water outlet, when right
The bamboo charcoal filtrate of outsourcing geotextiles can be used when being discharged more demanding.
Preferably, the entry position of the water inlet pipe is equipped with flowmeter and valve, the valve is preferably butterfly
Valve.Flowmeter can be with the variation of real time reaction flow of inlet water, under constant water inlet head height, and flow of inlet water occurs bright
When aobvious decline, shows that filtrate is likely to occur blocking, need to start backwash process.
Preferably, the first layer baffle and second layer baffle has muti-piece, between bottom plate and third layer baffle with
Identical form arranged stacked has several baffle groups, keeps off comprising one piece of first layer baffle and one piece of second layer in every group of plate washer group
Plate.One group of baffle can realize the efficient removal to silt in muddy water in the utility model, but when flow of inlet water increase, water flow
When flow velocity increases, one group of baffle not can guarantee higher treatment effeciency, therefore be contemplated that setting multiple groups baffle.In second group of baffle
First layer baffle plate setting on the second layer baffle of first group of bottom baffle, be layering, do not increasing occupied area
In the case of effectively improve treatment effeciency.
The utility model in terms of existing technologies, has the advantages that
(1) the utility model is not necessarily to electric power, abundant fluid dynamics and river load dynamics sediment incipient motion and putting-down machine
Reason by ingehious design flow apron and considers slot, and more efficient desilting, sand discharge, filter sand more broadly handle bed load,
Suspended sediment reduces turbidity, improves water quality.
(2) the utility model can utilize itself head, filtrate is backwashed under the effect of gravity, do not need by
Artificial or electric energy achievees the purpose that improve silting, energy saving, rationally and effectively utilizes water resource.And backwashed
The normal water supply to downstream is had no effect in journey.
(3) the utility model desilting, filtering, sand discharge fully automatic operation, greatly reduce the consumption of electric power, machinery and manpower
Take, device operational process energy conservation and environmental protection,
(4) the utility model can filter out the suspended load of smaller particle, and traditional settling pit can be replaced in agricultural irrigation, life
With the application in water and industrial water.
(5) the utility model build-up member is simple, is easily installed, and saves manufacture, and cost of installation and maintenance is low.The present apparatus is total
There are three types of key fitments, are hollow thin-wall cylinder, flow apron and drainage trap respectively, can carry out in-site installation, the present apparatus can be big
Amplitude saving manufacture, cost of installation and maintenance.
(6) the single filter plant occupied area of the utility model is few, can significantly increase the filter plant number of unit area
Amount improves utilization of area rate.
(7) the utility model does not have remaining chemical agent, is good for human body without adding chemical agent in filtered water
Health is harmless, and the silt of discharge will not pollute environment.
Detailed description of the invention
Fig. 1 is the overall structure diagram that a kind of multilayer water conservancy diversion plate washer orients desilting sand discharge filter device.
Distribution of sediment when Fig. 2 is silt water flow velocity 1m/s.
Cross sectional flow rate distribution when Fig. 3 is silt water flow velocity 1m/s.
Distribution of sediment when Fig. 4 is silt water flow velocity 3.5m/s.
Cross sectional flow rate distribution when Fig. 5 is silt water flow velocity 3.5m/s.
When Fig. 6 is silt water flow velocity 3.5m/s, it is not provided with cross sectional flow rate distribution when multilayer water conservancy diversion plate washer.
Fig. 7 is the overall structure diagram of the desilting sand discharge filter device with multiple groups plate washer group.
Specific embodiment
The utility model is further elaborated and is illustrated in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, it is heavy to illustrate one of most preferred embodiment of the utility model multilayer water conservancy diversion plate washer orientation
The overall structure diagram of beach volleyball sand filter device.Structure chart for ease of understanding, Fig. 1 illustrate the schematic diagram of each section.The dress
In setting, using a hollow thin-wall bucket as crust of the device 1, (diameter 4.3m is highly 3.5m).Water inlet pipe 2 is vertically stretched from bottom
Enter 1 lumen centers of crust of the device, the entry position of water inlet pipe 2 is equipped with flowmeter 14 and valve 15, and butterfly valve can be used in valve 15.
The water outlet surrounding of water inlet pipe 2 has the bottom plate 3 for tilting down the gradient around setting, and bottom plate 3 is opened from 2 water outlet surrounding of water inlet pipe
Begin, radial constantly decline, the gradient of slope surface flat segments is 1:1.732 (slope angle is 30 °).3 top of bottom plate is sequentially coaxially arranged
First layer baffle 4, second layer baffle 5 and third layer baffle 6, bottom plate 3, first layer baffle 4, second layer baffle 5 and third layer gear
The projection of plate 6 in the horizontal plane is circle, and form is with plate body section line shown in Fig. 1 around 2 central axis of water inlet pipe
Plane made of rotation.
First layer baffle 4, which covers in 3 top of bottom plate and clamps, forms first runner, the water outlet of 4 face water inlet pipe 2 of first layer baffle
Mouthful plate body center it is closed, enable the water flow overflowed in water inlet pipe to be blocked change flow direction；And in first layer baffle 4
Heart position height highest is gradually reduced height, the gradient and 3 phase of bottom plate of 4 flat segments of first layer baffle by plate body center around
Together.Two rows of annular spread rectangular through-holes are opened up on the slope position of first layer baffle 4, and water flow is enable to enter first from first runner
4 top of layer baffle.Every row's rectangular through-hole is evenly arranged on the slope loop wire of sustained height, rectangular through-hole size 0.3m × 1.8m, row
Away from for 0.52m, circumferential spacing 1.6m, two rows of rectangular through-holes are staggeredly arranged, the height apart from basin bottom be respectively 0.9m and
1.2m.Backplate surface is arranged in a one-to-one correspondence the streamlined baffle 16 in surface, two rows of baffles 16 for each rectangular through-hole
Height apart from basin bottom is respectively 0.7m and 0.95m, keeps water flow more smooth logical into the rectangle in first layer baffle 4
Kong Zhong.Rectangular through-hole lower part also is provided with downwards and meets the deflector to flow direction.
Second layer baffle 5, which covers in 4 top of first layer baffle and clamps, forms second flow channel.The water inlet of 5 face of second layer baffle
The center aperture (round, diameter 0.4m) of 2 water outlet of pipe, second layer baffle 5 is from position of opening straight decline around
The gradient, and the gradient of flat segments and bottom plate 3 are also identical.When second layer baffle 5 extends to first layer 4 lateral location of baffle, side
Edge is bent towards centrally located 2 side of water inlet pipe, is extended to 3 top of bottom plate after wrapping up 4 edge of first layer baffle, is formed one
It is connected to 180 ° of bending type runners of first runner and second flow channel.It is not close between 5 marginal end portion of second layer baffle and bottom plate 3,
But there are the gaps flowed out for silt.Clamping forms collection sand pit between 1 inner wall of second layer baffle 5, bottom plate 3 and crust of the device
7, gap connects bending type runner sum aggregate sand pit 7, therefore the muddy water precipitated in flow process in runner can be with baffle
Surface converges in the gap, and then flows into collection sand pit 7.1 lower part of crust of the device is equipped with the horizontal sand discharge in 4 connected set sand pits 7
Pipe 8；Sand discharge pipe 8 is uniformly distributed along the cylindric circumferential annular of crust of the device 1, and the link position distribution with collection sand pit 7 is located at two
The diameter end of square crossing.
Third layer baffle 6, which covers in 5 top of second layer baffle and clamps, forms third flow channel, not aperture on third layer baffle 6,
The center of its 2 water outlet of face water inlet pipe must keep closed, and be gradually reduced height around by plate body center, so that
The water flow gushed out from 5 center of second layer baffle will not directly be gushed out vertically upward, but have to pass through downward third flow channel stream
It is dynamic.The gradient of 6 flat segments of third layer baffle and bottom plate 3 are also identical, and the projection radius of third layer baffle 6 is only second layer baffle
The 1/2 of 5 projection radiuses.
Above-mentioned multilayer baffle arrangement forms the bending runner for water flow flowing, and water flows through first layer baffle 4 and is forced to change
It changes direction, by the runner and through-hole directed flow of design, and most of stream equal slope aspect of section is downward, therefore silt under the effect of gravity
It can gradually settle, be discharged into collection sand pit.Moreover, when water flow flows through aperture and corners position in runner, it may appear that vortex,
Turbulent flow further decreases flow velocity and head pressure, extends flow path.
1 top of crust of the device is open, and as the outlet of primary water, lautertuns 9 is provided on the cross section of the outlet, filters
Filtrate is filled in slot 9.Filtrate can choose graded gravel loaded filter, can also use bamboo charcoal filtrate, and bamboo charcoal filtrate should pass through
It is filled between multilayer geotextiles, has the characteristics that strong filter, infiltration coefficient are lower.Overflow is surrounded on 9 side wall of lautertuns
Weir 10 is used as water outlet, and the annular collecting tray 11 for collecting spilling water, annular collecting tray 11 and water outlet are equipped with outside overflow weir 10
Pipe 12 is connected.The scale 13 of observation trough inner water position is vertically installed in lautertuns 9.
Muddy water is pumped into device by above-mentioned apparatus in use, using water pump, but preferably by device
It is placed in position lower, then enters water gravity flow in device using the head height that muddy water itself has.
Desilting sand discharge filter method based on the device, its step are as follows:
Muddy water to be filtered containing silt is passed through simultaneously by the head height having using muddy water itself from the entrance of water inlet pipe 2
It is flowed out from 2 water outlet of water inlet pipe, water flow is stopped to reduce flow velocity and changes flow direction by first layer baffle 4, into first runner；Water
When stream flows in first runner, second flow channel, another part are partially directly entered from through-hole under the action of baffle 16
Continue to flow along first runner, enters second flow channel after the turning of bending type runner.Water flow is in first runner and second flow channel stream
During dynamic, silt is deposited in baffle surface under the effect of gravity, and by between 5 marginal end portion of second layer baffle and bottom plate 3
Gap slide into collection sand pit 7, realize first of desilting；Water flow opening by 5 center of second layer baffle in second flow channel
Hole gushes out upwards, is stopped to reduce flow velocity by third layer baffle 6 and changes flow direction, into third flow channel, when water flow is from third flow channel
After outflow, water velocity slows down with the expansion of active cross-section, and silt sinks to collection sand pit 7 under the effect of gravity, realizes second
Desilting；Water flow continues upwardly into lautertuns 9 under head pressure effect, using the filtrate filled in slot to the silt in water flow
Carry out third road filter sand；Water after filter sand flows through overflow weir 10 and enters in annular collecting tray 11, is discharged eventually by outlet pipe 12；
When collecting the silt deposited in sand pit 7 more than threshold level, open equal along the cylindric circumferential annular of crust of the device 1
Gate valve on 4 sand discharge pipes 8 of cloth collects water flow rotary at sand pit 7, forms circumferential circulation, and the silt for cheating bottom can be discharged rapidly
Outside pond, the 4th sand discharge is completed；
Necessarily will appear filtrate using sand (gravel) masonry for drainage trap filtrate causes drainage trap water filtering function to subtract by silting
It is weak, when filtrate by silting to a certain extent when, filtrate capacity of outlet water weakens, and flowmeter flow is decreased obviously, when just need to filter
Material is backwashed.Therefore, an absolute flow rate threshold value or percentage threshold, the flowmeter on water inlet pipe 2 can be set
When the flow of inlet water of display is reduced to threshold value, the gate valve closed on water inlet pipe 2 stops water inlet, then opens the gate valve on sand discharge pipe 8,
At this time due to having head height in lautertuns 9, drainage trap water level declines rapidly, and water flow from top to bottom, is made by gravity
It is backwashed with to filtrate, washes away existing silt between filtrate hole, reduce silting degree.When the water in lautertuns 9 is drained
Afterwards, the gate valve on sand discharge pipe 8 is turned off, the gate valve on water inlet pipe 2 is opened, when the water in slot 9 to be filtered overflows overflow weir 10, is closed
The gate valve closed on water inlet pipe 2 stops water inlet, then opens the gate valve on sand discharge pipe 8, is backwashed again.Repeat several times
Backwash step, when water overflows overflow weir 10 and liquid level and reaches stable state in lautertuns 9, the flowmeter on water inlet pipe 2 is aobvious
The flow of inlet water shown restores to target flow, then is considered as filtrate and has rinsed well, and backwash process is completed, and re-starts desilting
Sand discharge filter progress.
In order to show the desilting working principle and effect of water conservancy diversion plate washer most crucial in the utility model, fluid calculation is utilized
Software ANSYS R17.1 has carried out the analysis of silt water sport to above-mentioned apparatus (simulation of solid-liquid two-way coupling calculates).As a result such as Fig. 2
To shown in Fig. 6.
Embodiment 1:
In the present embodiment, silt water flow body Model considers water and the grains of sand, and the particle diameter distribution of sand is shown in Table 1, intermediate value grain
Diameter is 0.2mm, and grains of sand density is 2650 kilograms per cubic meter, and silt content is 3 kilograms per cubic meter in water.It is considered in fluid calculation
Turbulence model, and water is simulated for the tractive force of the grains of sand.Flow velocity of the muddy silt water in 2 entrance of water inlet pipe is 1m/
S, the caliber of water inlet pipe 2 are 40cm, and device disposed of in its entirety amount is 34.3m3/(m2·h)。
1 distribution of sediment of table
Fig. 2 shows the simulation calculated result of silt distribution, shows that silt water reaches stable state after 30s, several
All sands are all distributed between bottom plate and first layer baffle, first layer plate washer and second layer plate washer, and are collected along plate washer
The collection sand pit of basin bottom is arrived, only only a few sand raises on pool wall, but it is very low to raise height, final or can sink
Into collection sand pit.
Analysing in depth flow field discovery again, (Fig. 3, arrow direction represent fluid flow rate direction, and it is big that arrow length represents flow velocity
It is small), silt water rapidly changes flow velocity direction after encountering first layer plate washer and accelerates flow velocity, and the shape at first rectangular through-hole
It at small whirlpool, and is relatively evenly flowed out at second rectangular through-hole, flow velocity substantially reduces at this time, and flow field is relatively stable.Stream
Body enter second layer baffle rear portion along second layer baffle slowly and under, another part is then sprung back in second layer baffle
The through-hole of portion's setting, and among the second layer and third layer baffle change flow velocity direction again along plate washer direction and under.It can be with
Find out, the gravity of the presence and sand itself due to plate washer, silt water changes direction of advance and greatly reduces flat
Equal flow velocity, sand have gradually deposited to the collection sand pit of basin bottom, achieve good desilting effect.Generally speaking, opposite
Under low flow velocity, desilting effect is ideal, overflows bleeder almost without silt.
Embodiment 2:
The difference of the present embodiment compared with Example 1 is: the inlet flow rate of muddy silt water is 3.5m/s, and device is whole
Body treating capacity is 120m3/(m2·h).The grains of sand distribution map and cross sectional flow rate distribution map of Fig. 4 and Fig. 5 distribution display.It can from figure
See, the change in direction is similar with embodiment 1 during the motion in the flow velocity direction of silt water, this also results in silt in plate washer
On distribution it is similar with embodiment 1, but due to increasing the inlet flow rate of silt water, few part silt has flowed out pond simultaneously
Into lautertuns.Generally speaking, under opposite high flow rate, desilting effect is also ideal.
Embodiment 3:
The difference of the present embodiment compared with Example 2 is: being not provided with three layers of flow apron, that is, allows silt water along entrance
Direction flowing, this can contrast the guide functions of the multilayer water conservancy diversion plate washer of the utility model.As a result as shown in Figure 6, it is seen that mud
Sha Shui along water inlet pipe direction fling and it is upper enter lautertuns, therefore only lean on the gravity of silt, the desilting effect of silt is non-
It is often poor.
In conclusion design multilayer water conservancy diversion plate washer orientation desilting filter device has excellent desilting, sand discharge and filtering function
Energy.
Certainly, embodiment described above is a kind of preferable scheme of the utility model, and so it is not to limit
The utility model.Those of ordinary skill in related technical field, in the case where not departing from the spirit and scope of the utility model,
It can also make a variety of changes and modification.
In another embodiment, when handling the water flow of higher flow rate, the baffle of more multiple groups can be set, or increase gear
Board size.For example, arranging one group of gear again as shown in fig. 7, can be laminated in the same manner between bottom plate 3 and third layer baffle 6
Plate includes one piece of first layer baffle 4 and one piece of second layer baffle 5 in every group of plate washer group.Between bottom plate 3 and third layer baffle 6
Plate washer group group number can be adjusted according to actual treatment amount.
In another embodiment, when filtering for big flow, whole equipment size is bigger than normal, and equipment is designed to modularization group
Dress mode (on-site assembly), it is possible to reduce the transport difficulty of bulkload.
In another embodiment, equipment can also be designed to 0.1m3/s、0.2m3/s、0.5m3/s、1m3/ s step it is muddy
Water treatment facilities, each Engineering Task equipment is no less than 3, and a stand-by equipment is arranged.When the filtrate silting in drainage trap
To a certain degree when, that is, start to filter material backwash.Multiple devices can be rinsed ceaselessly by turns, wherein one or more set
The normal work of remaining equipment is not influenced when standby flushing, therefore the normal confession to downstream is had no effect in equipment backwash process
Water.
In another embodiment, if, there are still when very tiny particle, utilizing two devices after the processing of this equipment
Series operation, treated, water is introduced into another equipment identical with the present apparatus, and the filtrate of first device is graded gravel
Material, is then adjusted to modularization geotextiles+bamboo charcoal filtrate in the filtrate of rear equipment, filtrate adjusted can stop and adsorb tiny
Particle.When the filtrate silting in drainage trap to a certain degree when, can quickly be extracted and be replaced modularization geotextiles, be replaced
The journey time is short, does not influence equipment normal operation.
In another embodiment, the planform inside device can also be adjusted, such as the shape of hollow thin-wall bucket
It can be round or rectangular.
Therefore all mode technical solutions obtained for taking equivalent substitution or equivalent transformation, all fall within the utility model
In protection scope.
Claims (14)
1. a kind of multilayer water conservancy diversion plate washer orients desilting sand discharge filter device, which is characterized in that crust of the device (1) inner hollow, into
Water pipe (2) protrudes into crust of the device (1) inner cavity, and the water outlet surrounding of water inlet pipe (2) surround to be arranged to have and tilts down the gradient
First layer baffle (4), second layer baffle (5) and third layer baffle (6) is sequentially coaxially arranged in bottom plate (3), bottom plate (3) top；Institute
The first layer baffle (4) stated, which is covered in above bottom plate (3) and clamped, forms first runner, first layer baffle (4) face water inlet pipe (2)
The plate body center of water outlet is closed and is gradually reduced height around by plate body center；Second layer baffle (5) cover
Above first layer baffle (4) and clamping forms second flow channel, the center of second layer baffle (5) face water inlet pipe (2) water outlet
Position aperture, and the edge of second layer baffle (5) is bent towards centrally located water inlet pipe (2) side, wraps up first layer baffle
(4) it is extended to behind edge above bottom plate (3), forms the bending type runner of the connection first runner and second flow channel；And
There are the gaps flowed out for silt between second layer baffle (5) marginal end portion and bottom plate (3)；The second layer baffle (5), bottom
Clamping forms collection sand pit (7), gap connection collection sand pit (7) between plate (3) and crust of the device (1) inner wall；Described
The circumferential through-hole for offering several connection first runners and second flow channel on first layer baffle (4)；The third layer baffle (6)
It covers in above second layer baffle (5) and clamps and form third flow channel, the plate of third layer baffle (6) face water inlet pipe (2) water outlet
Body center is closed and is gradually reduced height around by plate body center.
2. multilayer water conservancy diversion plate washer as described in claim 1 orients desilting sand discharge filter device, which is characterized in that the bottom plate
(3) it being provided on several baffles (16), the through-hole opened up on baffle (16) and first layer baffle (4) is arranged in a one-to-one correspondence,
For the water flow in first runner to be drained in second flow channel by the through-hole.
3. multilayer water conservancy diversion plate washer as described in claim 1 orients desilting sand discharge filter device, which is characterized in that crust of the device
(1) lower part is equipped with the sand discharge pipe (8) for being connected to collection sand pit (7).
4. multilayer water conservancy diversion plate washer as claimed in claim 3 orients desilting sand discharge filter device, which is characterized in that the sand discharge
It manages (8) and is arranged 4, it is circumferentially uniformly distributed along cylindric crust of the device (1).
5. multilayer water conservancy diversion plate washer as described in claim 1 orients desilting sand discharge filter device, which is characterized in that the bottom plate
(3), first layer baffle (4), second layer baffle (5) are identical with the gradient of third layer baffle (6).
6. multilayer water conservancy diversion plate washer as claimed in claim 5 orients desilting sand discharge filter device, which is characterized in that the bottom plate
(3), first layer baffle (4), second layer baffle (5) and third layer baffle (6) slope angle are 30 ° ~ 60 °.
7. multilayer water conservancy diversion plate washer as described in claim 1 orients desilting sand discharge filter device, which is characterized in that the device
Shell (1) is cylindrical, and the bottom plate (3), first layer baffle (4), second layer baffle (5) and third layer baffle (6) are in water
Projection in plane is circle.
8. multilayer water conservancy diversion plate washer as claimed in claim 7 orients desilting sand discharge filter device, which is characterized in that the third
The projection radius of layer baffle (6) is less than second layer baffle (5) and projects radius.
9. multilayer water conservancy diversion plate washer as described in claim 1 orients desilting sand discharge filter device, which is characterized in that the device
It is provided with lautertuns (9) above shell (1), filtrate is filled in lautertuns (9), is surrounded with overflow weir (10) conduct on side wall
Water outlet, the external annular collecting tray (11) being equipped with for collecting spilling water of overflow weir (10), annular collecting tray (11) and outlet pipe
(12) it is connected.
10. multilayer water conservancy diversion plate washer as claimed in claim 9 orients desilting sand discharge filter device, which is characterized in that the mistake
The scale (13) of observation trough inner water position is installed in filter pocket (9).
11. multilayer water conservancy diversion plate washer as claimed in claim 9 orients desilting sand discharge filter device, which is characterized in that the filter
Material is the bamboo charcoal filtrate of graded gravel loaded filter or outsourcing geotextiles.
12. the multilayer water conservancy diversion plate washer as described in claim 1 or 9 orients desilting sand discharge filter device, which is characterized in that described
The entry position of water inlet pipe (2) is equipped with flowmeter (14) and valve (15).
13. multilayer water conservancy diversion plate washer as claimed in claim 12 orients desilting sand discharge filter device, which is characterized in that the valve
Door (15) is butterfly valve.
14. multilayer water conservancy diversion plate washer as described in claim 1 orients desilting sand discharge filter device, which is characterized in that described the
One layer of baffle (4) and second layer baffle (5) have muti-piece, are laminated in the same manner between bottom plate (3) and third layer baffle (6)
Several baffle groups are disposed with, include one piece of first layer baffle (4) and one piece of second layer baffle (5) in every group of plate washer group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820775237.0U CN208436509U (en) | 2018-05-23 | 2018-05-23 | A kind of multilayer water conservancy diversion plate washer orientation desilting sand discharge filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820775237.0U CN208436509U (en) | 2018-05-23 | 2018-05-23 | A kind of multilayer water conservancy diversion plate washer orientation desilting sand discharge filter device |
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| CN208436509U true CN208436509U (en) | 2019-01-29 |
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| CN201820775237.0U Active CN208436509U (en) | 2018-05-23 | 2018-05-23 | A kind of multilayer water conservancy diversion plate washer orientation desilting sand discharge filter device |
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Cited By (4)
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|---|---|---|---|---|
| CN110478977A (en) * | 2019-09-12 | 2019-11-22 | 济南大学 | A kind of spiral flow is from sand draining type desilting filtering ponds |
| CN110500264A (en) * | 2019-08-23 | 2019-11-26 | 程雅雯 | A kind of application method of the long oil well pump of long plunger sand control equipped with resistance sand hydrotubator |
| CN110500265A (en) * | 2019-08-23 | 2019-11-26 | 程雅雯 | A kind of long oil well pump of long plunger sand control equipped with resistance sand hydrotubator |
| CN112442970A (en) * | 2020-11-30 | 2021-03-05 | 武汉大学 | Multifunctional ecological water diversion device |
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2018
- 2018-05-23 CN CN201820775237.0U patent/CN208436509U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500264A (en) * | 2019-08-23 | 2019-11-26 | 程雅雯 | A kind of application method of the long oil well pump of long plunger sand control equipped with resistance sand hydrotubator |
| CN110500265A (en) * | 2019-08-23 | 2019-11-26 | 程雅雯 | A kind of long oil well pump of long plunger sand control equipped with resistance sand hydrotubator |
| CN110500265B (en) * | 2019-08-23 | 2020-11-13 | 阿奥艾斯石油工程服务成都有限公司 | Long plunger sand prevention long oil well pump with sand blocking liquid through device |
| CN110478977A (en) * | 2019-09-12 | 2019-11-22 | 济南大学 | A kind of spiral flow is from sand draining type desilting filtering ponds |
| CN112442970A (en) * | 2020-11-30 | 2021-03-05 | 武汉大学 | Multifunctional ecological water diversion device |
| CN112442970B (en) * | 2020-11-30 | 2022-03-15 | 武汉大学 | Multifunctional ecological water diversion device |
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