CN105163826B - Equipment for separating liquid from solid and solid-liquid separating method - Google Patents
Equipment for separating liquid from solid and solid-liquid separating method Download PDFInfo
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- CN105163826B CN105163826B CN201480021184.8A CN201480021184A CN105163826B CN 105163826 B CN105163826 B CN 105163826B CN 201480021184 A CN201480021184 A CN 201480021184A CN 105163826 B CN105163826 B CN 105163826B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
- B01D21/08—Settling tanks with single outlets for the separated liquid provided with flocculating compartments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2405—Feed mechanisms for settling tanks
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- Chemical Kinetics & Catalysis (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The present invention provides a kind of equipment for separating liquid from solid, and which has：Processed water introduction part, for importing processed water；And flocculate growth area, catch from processed water introduction part the solid in the processed water for importing and make flocculate grow up by processed water, wherein, the equipment for separating liquid from solid has：Sinking area, makes the flocculate grown up in flocculate growth area unidirectionally decline from flocculate growth area；Disengagement zone, isolate in the processed water from after by flocculate growth area from sinking area decline and come flocculate；And Upwelling Region, the processed water that flocculate is isolated in Disengagement zone is increased.
Description
Technical field
The present invention relates to a kind of equipment for separating liquid from solid and solid-liquid separating method.
Background technology
In the past, as the device having known to equipment for separating liquid from solid described in following patent documentation 1.The equipment for separating liquid from solid is in
In bottom and the inner core of the inner core tank and outer tube tank of the inner containment bottomed cylindrical of the outer tube tank of bottomed cylindrical
The double-layer water tank structure that the bottom interval of tank is opened.And, in the equipment for separating liquid from solid, by the raw water of flocculant will be fed with
The bottom being directed in inner core tank, so as to form flocculate growth area in inner core tank, in outer tube tank and inner core tank
Between the settlement separate flocculate overflowed from inner core tank in the flocculate decanting zone of cylindrical shape that formed, and discharge sedimentation
In the concentration flocculate of the bottom of outer tube tank, on the other hand, discharge from flocculate from the top of outer tube tank and separate and rise
Process water.
Conventional art document
Patent documentation
Patent documentation 1：Japanese Unexamined Patent Publication 2010-274199 publications (Fig. 3)
The content of the invention
Invention technical task to be solved
Wherein, in above-mentioned equipment for separating liquid from solid, from processing the clarity of water from the viewpoint of the higher the better, it is desirable to enter one
Step improves the clarity for processing water.
The present invention is completed to solve this problem, and its object is to offer one kind can make process water more clear
Clear equipment for separating liquid from solid and solid-liquid separating method.
For solving the means of technical task
Equipment for separating liquid from solid involved by one embodiment of the present invention has：Processed water introduction part, for importing
Processed water；And flocculate growth area, catch from processed water introduction part the solid in the processed water for importing and pass through quilt
Processing water makes flocculate grow up, wherein, the equipment for separating liquid from solid has：Sinking area, makes what is grown up in flocculate growth area
Flocculate unidirectionally declines from flocculate growth area；Disengagement zone, isolates in the processed water from after by flocculate growth area
The flocculate for declining from sinking area and coming；And Upwelling Region, the processed water that flocculate is isolated in Disengagement zone is increased.
Equipment for separating liquid from solid involved by a kind of embodiment of the invention, in the flocculation that flocculate growth area grows up
Thing is from the swimmingly decline in sinking area of flocculate growth area, and is swimmingly carried to Disengagement zone and divides from processed water
From.The processed water that flocculate is isolated in Disengagement zone swimmingly rises in Upwelling Region.Thus, being formed based on sinking
The flowing of the processed water of area, Disengagement zone and Upwelling Region, therefore, it is possible to suppress the sedimentation of flocculate occur because upper up-flow is received
The phenomenon that resistance or flocculate rise with upper up-flow.Thereby, it is possible to reduce processing the SS concentration of water, process water can be made more
It is limpid.
In equipment for separating liquid from solid, when observing from above-below direction, Upwelling Region is formed at diverse location with sinking area, and
The lower end side region of Upwelling Region is communicated with each other via Disengagement zone with the lower end side region in sinking area.Formed by this structure
Following to flow, i.e., processed water declines in sinking area, from the lower end side field flow orientation Disengagement zone in the sinking area, by dividing
From lower end side field flow orientation Upwelling Region behind area, so as to rise in the Upwelling Region.On during due to observing from above-below direction
Up-flow area and sinking area are formed at diverse location, therefore, it is possible to suppress the sedimentation of flocculate occur because upper up-flow is obstructed or wads a quilt with cotton
The phenomenon that condensate rises with upper up-flow.
Equipment for separating liquid from solid is in the double bottom structure being made up of the 1st bottom and the 2nd bottom, and Disengagement zone is located at the 1st bottom
Between the 2nd bottom.By this structure, can be using the enough spaces between the 1st bottom and the 2nd bottom as Disengagement zone.
In equipment for separating liquid from solid, sinking area is in state separated from one another with Upwelling Region.By this structure, energy
Enough sedimentations for more reliably suppressing to occur flocculate are because of upper up-flow is obstructed or flocculate rises with upper up-flow phenomenon.
In equipment for separating liquid from solid, sinking area is spaced with Upwelling Region.By this structure, it is spaced using only arranging
Simple structure can sinking area be made to separate with Upwelling Region.
In equipment for separating liquid from solid, sinking area is separated from each other with Upwelling Region.By this structure, it can be ensured that decline
The distance between stream area and Upwelling Region are so that it is guaranteed that crossing current precipitation distance in enough Disengagement zone.
In equipment for separating liquid from solid, have in the outer tube tank inner containment of the bottomed tube for possessing the 1st bottom and possess the 2nd bottom
The inner core tank of the bottomed tube in portion, and possess the zone line of ring-type between outer tube tank and inner core tank, by arranging
Multiple dividing plates in multiple regions are arranged to lower end and circumferentially the zone line of ring-type are divided into from the upper end of inner core tank
To separate sinking area and Upwelling Region.By this structure, being formed in inner core tank makes rising of the flocculate by raw water
The flocculate growth area flowed and grow up, the flocculate grown up in flocculate growth area overflow from inner core tank upper end to sinking area
Go out, and as sinking is swimmingly settled in the sinking area, and the 2nd bottom that is swimmingly carried in outer tube tank and heap
Accumulate, and 2nd bottom of the processed water for coming in outer tube tank is carried with the flocculate separate from flocculate, with
Upper up-flow is swimmingly risen in the Upwelling Region separated out by dividing plate and sinking and is carried to top.Thus, making flocculation
The sinking area of the 2nd bottom that thing is settled by sinking and is carried in outer tube tank with make it is detached processed from flocculate
The Upwelling Region that 2nd bottom of the water by upper up-flow from outer tube tank rises and be carried to top is separated so as to be formed by dividing plate
Unidirectional flowing.Thereby, it is possible to suppress to occur the sedimentation of flocculate because upper up-flow is obstructed or flocculate with upper up-flow on
The phenomenon for rising.Thereby, it is possible to reduce processing the SS concentration of water, and process water can be made limpider.
In equipment for separating liquid from solid, the inner core tank upper end corresponding with the sinking area separated by dividing plate is set as low
In the inner core tank upper end in the region adjacent with sinking area.By this structure, can make flocculate easily from sinking
Overflow corresponding inner core tank upper end in area.
In equipment for separating liquid from solid, under the inner core tank lower end corresponding with the sinking area separated by dividing plate and dividing plate
The inner core tank lower end than Upwelling Region is held to extend downwards.By this structure, in corresponding with sinking area
The lower end of cylinder tank lower end and dividing plate extends than the inner core tank lower end of Upwelling Region downwards, therefore, it is possible to suppress declining
The phenomenon of the processed water elevator risen in Upwelling Region by the flocculate settled in stream area occurs, and can make process water more
Plus it is limpid.
Solid-liquid separating method involved by one embodiment of the present invention be by make processed water by flocculate into
Long area so as to carry out the solid-liquid separating method of solid-liquid separation, wherein, the solid-liquid separating method includes：Decline operation, make in wadding
The flocculate grown up in condensate growth area unidirectionally declines；Separation circuit, makes the flocculate declined in operation is declined and passes through wadding
Processed water after condensate growth area is separated；And rise operation, make the processed water of flocculate is isolated in separation circuit
Rise.
Solid-liquid separating method involved by a kind of embodiment of the invention, can obtain filling with above-mentioned solid-liquid separation
Put identical action effect.
Invention effect
According to the present invention, there is provided a kind of equipment for separating liquid from solid that process water can be made limpider and solid-liquid separating method.
Description of the drawings
Fig. 1 is the outline of the equipment for separating liquid from solid (flocculation deposition apparatus) involved by the 1st embodiment for representing the present invention
Sectional structure chart.
Fig. 2 is the top view of the equipment for separating liquid from solid (flocculation deposition apparatus) shown in Fig. 1.
Fig. 3 is the axonometric chart for representing inner core tank and dividing plate in Fig. 1 and Fig. 2.
Fig. 4 is the vertical view of the equipment for separating liquid from solid (flocculation deposition apparatus) involved by the 2nd embodiment for representing the present invention
Figure.
Fig. 5 is the axonometric chart for representing inner core tank and dividing plate in Fig. 4.
Fig. 6 is the inner core of the equipment for separating liquid from solid (flocculation deposition apparatus) involved by the 3rd embodiment for representing the present invention
The axonometric chart of tank and dividing plate.
Fig. 7 is the inner core of the equipment for separating liquid from solid (flocculation deposition apparatus) involved by the 4th embodiment for representing the present invention
The axonometric chart of tank and dividing plate.
Fig. 8 is the summary construction diagram of the equipment for separating liquid from solid involved by the 5th embodiment for representing the present invention.
Fig. 9 is the general profile chart along the IX-IX lines shown in Fig. 8.
Figure 10 is the general profile chart along the X-X lines shown in Fig. 8.
Figure 11 is the summary construction diagram of the equipment for separating liquid from solid involved by the 6th embodiment for representing the present invention.
Figure 12 is the general profile chart along the XII-XII lines shown in Figure 11.
Figure 13 is the summary construction diagram of the equipment for separating liquid from solid involved by the 7th embodiment for representing the present invention.
Figure 14 is the general profile chart along the XIV-XIV lines shown in Figure 13.
Specific embodiment
Hereinafter, refer to the attached drawing is illustrated to the preferred implementation of the equipment for separating liquid from solid of the present invention.In addition, in Fig. 1
Into the embodiment shown in Fig. 7, flocculation deposition apparatus are illustrated as equipment for separating liquid from solid.But, equipment for separating liquid from solid
It is not limited to flocculation deposition apparatus.As long as that is, with for import processed water processed water introduction part and catch from quilt
Process the solid in the processed water that water introduction part is imported and the flocculate growth area of flocculate growth made by processed water,
The structure of equipment for separating liquid from solid is not particularly limited.
Fig. 1 is the summary construction diagram of the flocculation deposition apparatus involved by the 1st embodiment for representing the present invention, and Fig. 2 is Fig. 1
The top view of shown flocculation deposition apparatus, Fig. 3 are the axonometric charts for representing inner core tank and dividing plate in Fig. 1 and Fig. 2.
As shown in figure 1, the flocculation deposition apparatus (equipment for separating liquid from solid) 100 of present embodiment possess：Bottomed cylindrical
Outer tube tank 1, diameter is less than the outer tube tank 1 and is contained in the outer tube highly again smaller than the outer tube tank and with coaxial manner
The inner core tank 2 of the bottomed cylindrical of the inside of tank 1.In the flocculation deposition apparatus 100, the bottom the (the 2nd of inner core tank 2
Bottom) predetermined distance is spaced apart upward relative to the bottom (the 1st bottom) of outer tube tank 1, so as to being in double-layer water tank structure.Separately
Outward, outer tube tank 1 and inner core tank 2 are set to cylindrical shape by here, but can also be set to square tube shape.
For by under the insert outer tube of ingress pipe (processed water introduction part) 4 tank 1 in raw water (processed water) lead-in groove
The groove perisporium in portion, and insert the groove perisporium of the bottom of inner core tank 2 and enter in the inner core tank 2.Here, raw water is, for example,
Mix the solution of the inorganic flocculating agents such as such as PAC (polyaluminium chloride) in organic wastewater.Also, use is connected with ingress pipe 4
In the flocculant feeding pipe L1 of the supply such as high polymer coagulant such as anion based polymer.
Here, especially in the present embodiment, as shown in Figure 1 to Figure 3, it is provided with and circumferentially will be formed in outer tube tank
The zone line R of the ring-type (cylindrical shape) between 1 and inner core tank 2 is divided into multiple dividing plates 3 in multiple regions.Here, dividing plate 3
For 2, zone line R is divided into 2 regions by the dividing plate 3, i.e., one region R1 (sinking area) and another region are (adjacent
Region, Upwelling Region) R2.The inner peripheral surface of the outboard end and outer tube tank 1 of these dividing plates 3,3 links, its medial end with it is interior
The outer peripheral face of cylinder tank 2 links, and inner core tank 2 is linked to outer tube tank 1 thus.Dividing plate 3 is arranged from the upper end of inner core tank 2
To lower end, the inner core tank upper end U1 corresponding with the region R1 separated by the dividing plate 3 is set at less than adjacent area R2
Inner core tank upper end U2, here, being set as low 1～100cm or so.
According to the flocculation deposition apparatus 100 of said structure, ingress pipe 4 of the raw water comprising flocculant from inner core tank 2
Uniformly spray to the bottom in inner core tank 2, and the mixing power of the current by the ejection, shearing force etc. be able to mix and gradually
Form flocculate.The flocculate formed in inner core tank 2 starts gradually to pile up from bottom, and by continuing the raw water of supply
And gradually form the fluidized bed in flocculate area.During raw water comprising flocculant rises in the flocculate area, generated
The flocculate that little flocculate can be generated before catches, and thus, being formed in inner core tank 2 makes flocculate continue the wadding grown up
Condensate growth area RX, at the same time, raw water gradually becomes limpid just as being flocculated thing growth area RX is filtered.Flocculation is passed through
The purified water of thing growth area RX rises in outer tube tank 1.
In addition, the dispersion described in Japanese Unexamined Patent Publication 2010-274199 publications etc. can be configured in the bottom in inner core tank 2
Pipe (also referred to as allotter), and make the dispersion pipe raw water is flowed out from the dispersion pipe, thus raw water is uniformly divided
It is assigned in inner core tank 2 and makes its uniform rising, so as to forms flocculate growth area RX.
On the other hand, the flocculate grown up in flocculate growth area RX can be from the inner core tank upper end U1 of a relatively low side
Unilaterally overflow to a corresponding region R1, and using a region R1 as flocculate decanting zone with
Drop stream is swimmingly settled, and the bottom that is swimmingly carried in outer tube tank 1 and pile up.Outer tube water is carried to the flocculate
Bottom of the water of the bottom in groove 1 in outer tube tank 1 is separated from flocculate, and by the region R2 adjacent with a region R1
As separation water rising area as upper up-flow swimmingly rises, so as to be carried to top.So, it is possible to be formed from relatively low one
Bottoms of the inner core tank upper end U1 of side in a region R1, outer tube tank 1, the one-way flow of adjacent area R2 are because
The apparent specific gravity of water of the apparent specific gravity ratio of the water comprising flocculate not comprising flocculate is heavier.
And, the concentration flocculate of the bottom being piled up in outer tube tank 1 is from the bottom center for being arranged at outer tube tank 1
Concentration flocculate discharge unit 8 is to outside discharge, and the purified water (supernatant water) risen in outer tube tank 1 is then as process water
And discharge from the process water outlet 9 on the top for being arranged at outer tube tank 1 to back segment.
Thus, in the present embodiment, zone line R is circumferentially divided into by dividing plate 3 makes flocculate pass through sinking
The region R1 of bottom so as to be carried in outer tube tank 1 and the separation water that makes to isolate from flocculate are settled by upper
Bottom of the up-flow from outer tube tank 1 rises and is carried to the adjacent area R2 of top, so as to form unidirectional flowing, therefore not
The sedimentation of flocculate occurs because of the phenomenon that upper up-flow is obstructed or flocculate rises with upper up-flow, thereby, it is possible to reduce
The SS concentration of water is processed, and process water can be made limpider.
Flocculation deposition apparatus (equipment for separating liquid from solid) 100 involved by present embodiment have：Ingress pipe (lead by processed water
Enter portion) 4, for importing processed water；And flocculate growth area RX, the solid in the processed water for importing is caught from ingress pipe 4
And make flocculate grow up by processed water.Also, flocculation deposition apparatus 100 have：One region R1, which is to make in flocculation
The sinking area that the flocculate grown up in thing growth area RX unidirectionally declines from flocculate growth area RX；Disengagement zone, from by flocculation
The flocculate for declining and coming is isolated from sinking area in processed water after thing growth area RX；And adjacent region R2, its
For the adjacent Upwelling Region for making the processed water that flocculate is isolated in Disengagement zone increase.In addition, in the present embodiment,
Disengagement zone is formed at the region between the bottom of the bottom of inner core tank 2 and outer water trough 1.
Flocculation deposition apparatus 100 according to involved by present embodiment, the flocculate grown up in flocculate growth area RX
From the flocculate growth area RX swimmingly declines in sinking area, and swimmingly it is carried to Disengagement zone and divides from processed water
From.The processed water that flocculate is isolated in Disengagement zone swimmingly rises in Upwelling Region.Thus, being formed based on sinking
The flowing of the processed water of area, Disengagement zone and Upwelling Region, therefore, it is possible to suppress the sedimentation of flocculate occur because upper up-flow is received
The phenomenon that resistance or flocculate rise with upper up-flow.Thereby, it is possible to reduce processing the SS concentration of water, and process water can be made more
Plus it is limpid.
In flocculation deposition apparatus 100, (state shown in Fig. 2) Upwelling Region and sinking area when observing from above-below direction
Diverse location is formed at, and the lower end side region of Upwelling Region is connected via Disengagement zone each other with the lower end side region in sinking area
It is logical.In the present embodiment, as shown in Fig. 2 (the paper right side is half side a part of region in the circumference of flocculation deposition apparatus 100
Region) sinking area is formed with, in other regions, (half side region of a paper left side) is formed with Upwelling Region.Formed by this structure
Following to flow, i.e., processed water declines in sinking area, and from the lower end side field flow orientation Disengagement zone in the sinking area, passes through
From lower end side field flow orientation Upwelling Region behind Disengagement zone, so as to rise in the Upwelling Region.When observing from above-below direction, rise
Stream area and sinking area are formed at diverse location, therefore, it is possible to suppress the sedimentation of flocculate occur because upper up-flow is obstructed or flocculates
The phenomenon that thing rises with upper up-flow.
In the double bottom structure being made up of the 1st bottom and the 2nd bottom, Disengagement zone is located at the 1st bottom to flocculation deposition apparatus 100
Between the 2nd bottom.By this structure, can be using the enough spaces between the 1st bottom and the 2nd bottom as Disengagement zone.
In flocculation deposition apparatus 100, sinking area is in state separated from one another with Upwelling Region.By this knot
Structure, can more reliably suppress to occur the sedimentation of flocculate because upper up-flow is obstructed or flocculate rises with upper up-flow
Phenomenon.
In flocculation deposition apparatus 100, sinking area is spaced with Upwelling Region.By this structure, adopt and only arrange
The simple structure at interval can be such that sinking area separates with Upwelling Region.
Solid-liquid separating method involved by present embodiment is to make processed water by flocculate growth area RX so as to carry out
The solid-liquid separating method of solid-liquid separation.Solid-liquid separating method includes：Decline operation, make the wadding grown up in flocculate growth area RX
Condensate unidirectionally declines；Separation circuit, make in operation the is declined flocculate that declines with pass through flocculate growth area after being located
Reason water is separated；And rise operation, the processed water that flocculate is isolated in separation circuit is increased.
Solid-liquid separating method according to involved by present embodiment, can obtain making with above-mentioned equipment for separating liquid from solid identical
Use effect.
Fig. 4 is the top view of the flocculation deposition apparatus involved by the 2nd embodiment for representing the present invention, and Fig. 5 is to represent Fig. 4
In inner core tank and dividing plate axonometric chart.
Difference of the flocculation deposition apparatus of the 2nd embodiment from the flocculation deposition apparatus of the 1st embodiment is to set
Be equipped with 4 dividing plates 3 and carry out 4 segmentations with these dividing plates 3 to zone line R, and with the multiple regions separated by dividing plate 3 in one
Individual region R1 corresponding inner core tank upper end U1 is set at less than on the inner core tank of the region R2 adjacent with region R1
This point of end U2 is identical with the 1st embodiment.Thus, by carrying out the dividing plate 3 of 4 segmentations, relatively low inner core tank upper end U1
And dividing plate is arranged in the way of being circumferentially alternately arranged higher than the adjacent inner core tank upper end U2 of the inner core tank upper end
3rd, between 3.
2nd embodiment of said structure can also be obtained and the 1st embodiment identical action effect.
Fig. 6 is the vertical of the inner core tank and dividing plate of the flocculation deposition apparatus involved by the 3rd embodiment for representing the present invention
Body figure, Fig. 7 are the inner core tanks and the solid of dividing plate of the flocculation deposition apparatus involved by the 4th embodiment for representing the present invention
Figure.
The difference of the flocculation deposition apparatus of the flocculation deposition apparatus and the 1st embodiment of the 3rd embodiment and the 4th enforcement
The difference of the flocculation deposition apparatus of the flocculation deposition apparatus of mode and the 2nd embodiment is to set with inner core tank upper end U1
Into a relatively low region R1 corresponding inner core tank lower end D1 and dividing plate 3 lower end D3 than adjacent area R2 inner core tank
Lower end D2 extends downwards.In addition, here, the lower end of the inner core tank lower end D1 corresponding with region R1 and dividing plate 3
D3 extends downwards 1～100cm or so.
According to above-mentioned 3rd embodiment and the 4th embodiment, due to the inner core tank lower end corresponding with a region R1
The lower end D3 of D1 and dividing plate 3 extends than the inner core tank lower end D2 of adjacent area R2 downwards, therefore, it is possible to suppress at one
The phenomenon of the separation water elevator risen in adjacent area R2 by the flocculate settled in the R1 of region occurs, and can make process water
It is limpider.
Fig. 8 is the summary construction diagram of the equipment for separating liquid from solid involved by the 5th embodiment for representing the present invention.Fig. 9 is edge
The general profile chart of the IX-IX lines shown in Fig. 8.Figure 10 is the general profile chart along the X-X lines shown in Fig. 8.
Equipment for separating liquid from solid 200 involved by present embodiment possesses outer tube tank 201 and inner core tank 202.In solid-liquid
In segregation apparatuss 200, the inner side of inner core tank 202 constitutes flocculate growth area, catches from processed in the flocculate growth area
Water introduction part 14 import processed water in solid and make flocculate grow up by processed water.Also, solid-liquid separation is filled
200 are put with the processed water introduction part 14 that processed water is imported inner core tank 202.Also, on the top of outer tube tank 201
It is provided with for discharging the process water outlet 19 in the 201 interior purified water (supernatant water) for rising of outer tube tank.
Outer tube tank 201 with by Fig. 1 wait shown in outer tube tank it is corresponding with the outer peripheral face of inner core tank 202
Partly (zone line R) is divided into the structure of multiple throughputs 203.Throughput 203 is arranged in the way of vertically extending
In the outer peripheral face of inner core tank 202.Throughput 203 with the circumference of inner core tank 202 each other across roughly the same interval
Mode be arranged at separated position.In the present embodiment, 4 throughputs 203 are provided with, but its quantity is not special
Do not limit.A composition sinking area RD in throughput 203 opposite each other, another constitutes Upwelling Region RU.Also, by
Be formed at mutually different position in the circumferential in multiple throughputs 203, thus from above-below direction observe when Upwelling Region RU with
Sinking area RD is formed at diverse location.By this structure, in equipment for separating liquid from solid 200, sinking area RD and upper up-flow
Area RU is separated from one another.In addition, " separation " herein represents and is formed with the section of sinking area RD and is formed with Upwelling Region RU's
The state that section is separate and causes the flowing of processed water etc. non-interference.In the present embodiment, due to each throughput
203 are separated from each other in the circumferential, therefore sinking area RD and Upwelling Region RU is separated from each other and is in state separated from one another.Separately
Outward, the state of " sinking area RD and Upwelling Region RU is separated from each other " is following state, i.e., form sinking in a section
Area RD, and Upwelling Region RU across other sections of position that space etc. separate in is formed with a section being arranged at.
During the state of " sinking area RD is separated from each other with Upwelling Region RU " is sinking area RD states detached with Upwelling Region RU
A kind of mode.
Bottom of the equipment for separating liquid from solid 200 in bottom (the 1st bottom) 201a by outer tube tank 201 Yu inner core tank 202
The double bottom structure that (the 2nd bottom) 202a is constituted, Disengagement zone RS are located between bottom 201a and bottom 202a.Each Upwelling Region
The lower end side region of RU is communicated with each other via Disengagement zone RS with the lower end side region of sinking area RD.From by from the RS of Disengagement zone
In reason water, detached flocculate is from flocculate discharge unit 18 to outside discharge.
In addition, the structure of inner core tank 202 be not particularly limited, shown in applicable 1st embodiment～the 4th embodiment
Arbitrary inner core tank.That is, as shown in figure 9, can be set as the inner core tank upper end U1 corresponding with sinking area RD low
In the inner core tank upper end U2 corresponding with Upwelling Region RU.
According to the equipment for separating liquid from solid 200 of present embodiment, can obtain and the flocculation sediment involved by the 1st embodiment
100 identical action effect of device.Especially, in the equipment for separating liquid from solid 200 involved by present embodiment, sinking area RD with
Upwelling Region RU is separated from each other.By this structure, it can be ensured that the distance between sinking area RD and Upwelling Region RU, so as to
The crossing current being able to ensure that in enough Disengagement zone RS precipitates distance.
Figure 11 is the summary construction diagram of the equipment for separating liquid from solid involved by the 6th embodiment for representing the present invention.Figure 12 is
Along the general profile chart of the XII-XII lines shown in Figure 11.But, XII-XII lines are the central shafts in equipment for separating liquid from solid 300
The line of bending.
Equipment for separating liquid from solid 300 involved by present embodiment have separate sinking area RD and Upwelling Region RU so that
Sinking area RD and structure Upwelling Region RU separated from one another.In addition, the state of " separating sinking area RD and Upwelling Region RU "
A part for following state, i.e. continuous space is separated so as to be divided into multiple sections, and at one by wall segments such as dividing plates
Sinking area RD is formed in section, Upwelling Region RU is formed in another section adjacent with a section." separate decline
The state of stream area RD and Upwelling Region RU " is a kind of mode in sinking area RD states detached with Upwelling Region RU.Specifically
For, in equipment for separating liquid from solid 300, in the inside of the outer tube tank 301 of the bottomed tube for possessing bottom (the 1st bottom) 301a
Accommodate the inner core tank 302 of the bottomed tube for possessing bottom (the 2nd bottom) 302a.Equipment for separating liquid from solid 300 is in by bottom
The double bottom structure that 301a and bottom 302a is constituted, Disengagement zone RS are located between bottom 301a and bottom 302a.Solid-liquid separation is filled
Put 300 zone lines for possessing the ring-type between outer tube tank 301 and inner core tank 302.
In equipment for separating liquid from solid 300, arrange to lower end from the upper end of inner core tank 302 and circumferentially will by arranging
The zone line of ring-type is divided into multiple dividing plates 303 in multiple regions, separates sinking area RD and Upwelling Region RU.Sinking area
RD and Upwelling Region RU are formed at each section divided by dividing plate 303, and are alternately arranged in the circumferential.In addition, by every
The quantity of the section that plate 303 separates simultaneously is not particularly limited.Also, due to multiple sections for being separated by dividing plate 303 in the circumferential
Be formed at mutually different position, thus from above-below direction observe when Upwelling Region RU be formed at different positions from sinking area RD
Put.By this structure, in equipment for separating liquid from solid 300, sinking area RD and Upwelling Region RU is in state separated from one another.
In equipment for separating liquid from solid 300, the lower end side region of each Upwelling Region RU and the lower end side region of sinking area RD via point
From area, RS communicates with each other.Other structures are then identical with the structure of the equipment for separating liquid from solid 200 involved by the 5th embodiment.
Equipment for separating liquid from solid 300 according to involved by present embodiment, can obtain and the wadding involved by the 1st embodiment
200 identical action effect of equipment for separating liquid from solid involved by solidifying settler 100 and the 5th embodiment.Especially, in this enforcement
In equipment for separating liquid from solid 300 involved by mode, sinking area RD and Upwelling Region RU is separated by dividing plate 303.By this
Structure, makes sinking area separate with Upwelling Region by adopting the simple structure for only arranging interval.
Figure 13 is the summary construction diagram of the equipment for separating liquid from solid involved by the 7th embodiment for representing the present invention.Figure 14 is
Along the general profile chart of the XIV-XIV lines shown in Figure 13.
The equipment for separating liquid from solid 300 involved by equipment for separating liquid from solid 400 and the 6th embodiment involved by present embodiment
Difference essentially consist in sinking area RD and do not separated with Upwelling Region RU.Specifically, in equipment for separating liquid from solid 400,
Have in the inner containment of the outer tube tank 401 of the bottomed tube for possessing bottom (the 1st bottom) 401a and possess bottom (the 2nd bottom)
The inner core tank 402 of the bottomed tube of 402a.Equipment for separating liquid from solid 400 possesses between outer tube tank 401 and inner core tank 402
The zone line of ring-type.
In the zone line of same sector is configured to, a part is used as sinking area RD functions, and other parts
As Upwelling Region RU functions.For example, as shown in figure 13, the paper right side area in zone line constitutes sinking area
RD, paper left field constitute Upwelling Region RU.Equipment for separating liquid from solid 400 possesses current formation mechanism, the current formation mechanism
Formation makes a part for same sector become sinking area RD and make other parts become the current of Upwelling Region RU.Phase is made so
Become sinking area RD with a part for section and make the structure that other parts become the current formation mechanism of Upwelling Region RU simultaneously
It is not particularly limited.For example, the inner core water as inner core tank 202 also shown in applicable 1st embodiment～the 4th embodiment
Groove.That is, the inner core tank upper end U1 corresponding with sinking area RD can be set at less than in corresponding with Upwelling Region RU
Cylinder tank upper end U2, so as to constitute current formation mechanism.Or, as current formation mechanism, may also be employed to processed water
Inner core tank upper end U1 (now, as shown in figure 14, can be set by the structure that flowing is adjusted with the height of inner core tank upper end U2
For identical).For example, in order to form sinking area RD and Upwelling Region RU and importing position or angle to processed water etc. is carried out
The processed water introduction part 14 of adjustment also can be used as current formation mechanism.Or, also can arrange to quilt in inner core tank 402
Process the mechanism that is adjusted of flowing of water to constitute current formation mechanism.In the equipment for separating liquid from solid involved by present embodiment
In 400, sinking area RD is not separated with Upwelling Region RU.In equipment for separating liquid from solid 400, the lower end of each Upwelling Region RU
Side region is communicated with each other via Disengagement zone RS with the lower end side region of sinking area RD.Involved by other structures and the 5th embodiment
And equipment for separating liquid from solid 200 structure it is identical.
Equipment for separating liquid from solid 400 according to involved by present embodiment, can obtain the flocculation sediment with the 1st embodiment
100 identical action effect of device.Especially, in the equipment for separating liquid from solid 400 involved by present embodiment, due to sinking area
RD is not separated with Upwelling Region RU, therefore, it is possible to make to simplify the structure.
More than, the present invention is illustrated according to above-mentioned embodiment, but the present invention is not limited to above-mentioned reality
Mode is applied, for example, in the above-described embodiment, it is preferred that flocculation is supplied in raw water by flocculant feeding pipe L1
Agent, but also the flocculant can be directly fed in inner core tank 2.
Also, 2 segmentations, 4 segmentations in the above-described embodiment, are carried out to zone line R, but has been not limited to these
Segmentation, as long as multiple segmentations.But, substantially need to split for even number.Also, the segmentation of zone line R is not limited
In even partition.
Also, in the above-described embodiment, to the double bottom structure that is made up of with the 2nd bottom the 1st bottom and separate position
Equipment for separating liquid from solid between the 1st bottom and the 2nd bottom is illustrated.But consolidating with single bottom construction may also be employed
Liquid separating apparatus are substituting double bottom structure.For example, equipment for separating liquid from solid can possess：Tank, its Inner Constitution flocculate are grown up
Area；And throughput, it is arranged at the outer peripheral face of tank.Throughput radially being separated by dividing plate in tank.It is close in throughput
The section of the outer peripheral face of tank constitutes sinking area, constitutes Upwelling Region away from the section of the outer peripheral face of tank.Also, dividing plate edge
Above-below direction extends, and the bottom of dividing plate is spaced apart relative to the bottom up side of throughput.Thus, from the upper end of tank
Field flow orientation Upwelling Region between bottom and bottom of the processed water for overflowing and declining in sinking area by dividing plate
And rise.Therefore, the region between the bottom and bottom of dividing plate constitutes Disengagement zone.In this equipment for separating liquid from solid, by
In Upwelling Region and sinking area being radially arranged in tank, thus from above-below direction observe when Upwelling Region with decline
Stream area is formed at diverse location.Also, the lower end side region in the lower end side region of Upwelling Region and sinking area is via Disengagement zone
Communicate with each other.
The equipment for separating liquid from solid of one embodiment of the present invention is following flocculation deposition apparatus, i.e., in bottomed tube
The bottom of the inner core tank and outer tube tank of the inner containment bottomed tube of outer tube tank is separated from each other with the bottom of inner core tank
Double-layer water tank structure, and raw water and flocculant are directed in into the bottom in inner core tank, make the wadding in inner core tank
Condensate is settled in the zone line of the ring-type being formed between outer tube tank and inner core tank, and is discharged from the bottom of outer tube tank
Concentration flocculate, on the other hand, discharges the process water isolated from flocculate, the equipment for separating liquid from solid tool from outer tube tank
The standby dividing plate that multiple regions are arranged to lower end and be circumferentially divided into the zone line of ring-type from the upper end of inner core tank, will
The inner core tank upper end corresponding with a region in the multiple regions separated by dividing plate is set at less than and a region phase
The inner core tank upper end in adjacent region.
According to above-mentioned equipment for separating liquid from solid, being formed with inner core tank makes flocculate grow up by the upper up-flow of raw water
Flocculate growth area, the flocculate grown up in flocculate growth area is from the inner core tank upper end of a relatively low side to corresponding
A region unilaterally overflow, and using a region as flocculate decanting zone as sinking is swimmingly settled,
And the bottom that is swimmingly carried in outer tube tank and pile up, carry the water for coming in outer tube tank with the flocculate
Bottom is separated from flocculate, and using the adjacent region separated with a region by dividing plate as separation water rising area and with
Upper up-flow swimmingly to rise so as to be carried to top.Thus, making flocculate settle by sinking and be carried to outer tube tank
One region of interior bottom is with the separation water for making to isolate from flocculate by bottom of the upper up-flow from outer tube tank
The adjacent area for rising and being carried to top is separated so as to form unidirectional flowing by dividing plate, therefore is not in the sedimentation of flocculate
Because of the phenomenon that upper up-flow is obstructed or flocculate rises with upper up-flow, thus, it is possible to reduce processing the SS concentration of water, and can make
Process water limpider.
Here, it is preferred to use the lower end of the inner core tank lower end corresponding with region and dividing plate is than in adjacent area
The structure that cylinder tank lower end extends downwards.Using this structure, due to the inner core tank lower end corresponding with a region
And the lower end of dividing plate extends than the inner core tank lower end of adjacent area downwards, therefore, it is possible to suppress to settle in a region
The phenomenon of separation water elevator that risen in adjacent area of flocculate occur so that it is limpider to process water.
Embodiment 1
Hereinafter, the embodiment 1 and comparative example 1 that the present inventor etc. implements to confirm the effect above is illustrated.Make
For validation test machine, use in a diameter of 30cm and height is to have arranged a diameter of 25cm and height in the outer tube tank of 160cm
For the equipment for separating liquid from solid of the inner core tank of 80cm.Test condition is as follows：As raw water use by the Kaolin of 100mg/l+
Solution (raw water SS after PAC (polyaluminium chloride) Mixed adjustment of 50mg/l：107.5mg/l), with the addition of as flocculant
The anion based polymer of 1.5mg/l.The flow velocity of raw water is 640l/h.
(embodiment 1)
Flocculation deposition apparatus adopt equably to enter the zone line between outer tube tank and inner core tank by 4 dividing plates
The flocculation deposition apparatus of above-mentioned 2nd embodiment of the segmentation of row 4, and determine the SS concentration for processing water.
(comparative example 1)
Flocculation deposition apparatus are using the flocculation deposition apparatus as in the past for not splitting zone line by dividing plate, and survey
Surely process the SS concentration of water.
The SS concentration of the process water of embodiment 1 is 1mg/l, and the SS concentration of the process water of comparative example 1 is 8mg/l, can be true
The SS concentration reduction for processing water in embodiment 1 is recognized so as to obtain limpid process water.Further, since in embodiment 1 can
The rate of load condensate (13m/h) of high 10 times or so of the surfaceloadingrate (1～3m/h) than common high speed flocculation deposition apparatus is obtained, because
Area needed for flocculation deposition apparatus can be set to conventional 1/10 or so by this.
Symbol description
1st, 201,301,401- outer tube tanks, 2,202,302,402- inner core tanks, 3,303- dividing plates, 14- processed waters
Introduction part, 100- flocculation deposition apparatus, 200,300,400- equipment for separating liquid from solid, D1- corresponding with region inner core water
Groove lower end, the inner core tank lower end of D2- adjacent areas, the lower end of D3- dividing plates, R- zone lines, mono- region (flocculate of R1-
Decanting zone, sinking area), R2- adjacent areas (separation water rising area, Upwelling Region), RD- sinkings area, RU- Upwelling Regions,
RX- flocculate growth area, RS- Disengagement zone, U1- corresponding with region inner core tank upper end, the inner core of U2- adjacent areas
Tank upper end.
Claims (9)
1. a kind of equipment for separating liquid from solid, which has：Processed water introduction part, for importing processed water；And flocculate growth area,
Catch from the processed water introduction part solid in the processed water for importing and flocculation is made by the processed water
Thing is grown up, wherein, the equipment for separating liquid from solid has：
Sinking area, makes the flocculate grown up in the flocculate growth area unidirectionally decline from the flocculate growth area；
Disengagement zone, isolates in the processed water from after by the flocculate growth area from the sinking area and declines
And the flocculate for coming；And
Upwelling Region, rises the processed water that the flocculate is isolated in the Disengagement zone；
In the double bottom structure being made up of the 1st bottom and the 2nd bottom, the Disengagement zone is located at described the to the equipment for separating liquid from solid
Between 1 bottom and the 2nd bottom,
There is the bottomed tube for possessing the 2nd bottom in the outer tube tank inner containment of the bottomed tube for possessing the 1st bottom
Inner core tank, and possess the zone line of ring-type between the outer tube tank and the inner core tank,
Arrange to lower end from the upper end of the inner core tank and circumferentially the zone line of the ring-type is split by arranging
For multiple dividing plates in multiple regions, separate the sinking area and the Upwelling Region.
2. equipment for separating liquid from solid according to claim 1, wherein,
When observing from above-below direction, the Upwelling Region and the sinking area are formed at diverse location, and the Upwelling Region
Lower end side region is communicated with each other via the Disengagement zone with the lower end side region in the sinking area.
3. equipment for separating liquid from solid according to claim 1 and 2, wherein,
The sinking area is separated from each other with the Upwelling Region.
4. equipment for separating liquid from solid according to claim 1, wherein,
The inner core tank upper end corresponding with the sinking area separated by the dividing plate is set at less than into Upwelling Region
Inner core tank upper end.
5. equipment for separating liquid from solid according to claim 1, wherein,
The lower end of the inner core tank lower end corresponding with the sinking area separated by the dividing plate and the dividing plate is than described
The inner core tank lower end of Upwelling Region extends downwards.
6. a kind of equipment for separating liquid from solid for making the solid solid-liquid separation in processed water, wherein, have：
Processed water introduction part, for importing the processed water；
Flocculate growth area forming portion, catches from the processed water introduction part solid in the processed water for importing and makes
Which is grown up as flocculate；
Sinking area forming portion, makes the flocculate grown up in the flocculate growth area forming portion grow up from the flocculate
Area's forming portion unidirectionally declines；
Disengagement zone forming portion, isolates in the processed water from after by the flocculate growth area forming portion from described
The flocculate that sinking area forming portion declines and comes；And
Upwelling Region forming portion, rises the processed water that the flocculate is isolated in the Disengagement zone forming portion；
Sinking area forming portion and the Upwelling Region forming part from,
Multiple throughputs, the throughput are formed with the outer circumferential side of the flocculate growth area forming portion is vertically extending
Sinking area forming portion and the side in the Upwelling Region forming portion are constituted at least,
The throughput is arranged on the separated position in the circumference of the flocculate growth area forming portion.
7. equipment for separating liquid from solid according to claim 6, wherein,
When observing from above-below direction, the Upwelling Region forming portion is formed at diverse location, and institute with sinking area forming portion
State the lower end side region of Upwelling Region forming portion and the lower end side region of sinking area forming portion via the Disengagement zone that
This connection.
8. the equipment for separating liquid from solid according to claim 6 or 7, wherein,
The equipment for separating liquid from solid in the double bottom structure being made up of the 1st bottom and the 2nd bottom, the Disengagement zone forming part in
Between 1st bottom and the 2nd bottom.
9. the equipment for separating liquid from solid according to claim 6 or 7, wherein,
Sinking area forming portion is separated from each other with the Upwelling Region forming portion.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-085647 | 2013-04-16 | ||
| JP2013085647 | 2013-04-16 | ||
| PCT/JP2014/060608 WO2014171421A1 (en) | 2013-04-16 | 2014-04-14 | Solid-liquid separation apparatus and solid-liquid separation method |
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| Publication Number | Publication Date |
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| CN105163826A CN105163826A (en) | 2015-12-16 |
| CN105163826B true CN105163826B (en) | 2017-04-05 |
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| CN201480021184.8A Active CN105163826B (en) | 2013-04-16 | 2014-04-14 | Equipment for separating liquid from solid and solid-liquid separating method |
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| Country | Link |
|---|---|
| JP (1) | JP6240168B2 (en) |
| KR (1) | KR101710821B1 (en) |
| CN (1) | CN105163826B (en) |
| TW (1) | TWI594792B (en) |
| WO (1) | WO2014171421A1 (en) |
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| JP6869094B2 (en) * | 2017-04-27 | 2021-05-12 | 清水建設株式会社 | Metal-containing wastewater treatment method and metal-containing wastewater treatment system |
| JP7052184B2 (en) * | 2018-03-13 | 2022-04-12 | 住友重機械エンバイロメント株式会社 | Solid-liquid separator |
| JP7056824B2 (en) * | 2018-03-13 | 2022-04-19 | 住友重機械エンバイロメント株式会社 | Solid-liquid separator |
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| HU178049B (en) * | 1979-08-23 | 1982-02-28 | Magyar Asvanyolaj Es Foeldgaz | Method and apparatus for continuous chemical treating fluids containing dissolved,emulsified respectively colloidal materials and gravitational selecting these materials |
| JPS5817615Y2 (en) * | 1980-03-26 | 1983-04-09 | 荏原インフイルコ・エンジニアリング・サ−ビス株式会社 | Suspension granulation separation concentration equipment |
| JPS58189008A (en) * | 1982-04-30 | 1983-11-04 | Chiyoda Chem Eng & Constr Co Ltd | Apparatus for removing turbidity of water |
| DE3612313A1 (en) * | 1986-04-11 | 1987-10-15 | N A G Innovations Und Umweltte | Process and apparatus for separating the solids from the carrier liquid in suspensions |
| JPH0672605U (en) * | 1993-03-29 | 1994-10-11 | 栗田工業株式会社 | Coagulating sedimentation equipment |
| JP3284225B2 (en) * | 1997-12-12 | 2002-05-20 | 株式会社荏原製作所 | Coagulation sedimentation equipment |
| JP3856307B2 (en) * | 2002-06-06 | 2006-12-13 | 株式会社荏原製作所 | Coagulation sedimentation method and apparatus |
| CN200974780Y (en) * | 2006-09-25 | 2007-11-14 | 同济大学 | Fluid jet fluidization and deposition segregation integrated photocatalysis water treatment facilities |
| JP5085609B2 (en) * | 2009-05-28 | 2012-11-28 | 住友重機械エンバイロメント株式会社 | Coagulation sedimentation equipment |
| JP2011125790A (en) * | 2009-12-17 | 2011-06-30 | Chida Engineering:Kk | Turbid water treatment apparatus and turbid water treatment method |
| KR101087502B1 (en) * | 2011-04-14 | 2011-11-28 | 주식회사 동아지질 | Apparatus for integral water treatment |
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| TW201440863A (en) | 2014-11-01 |
| KR101710821B1 (en) | 2017-02-27 |
| JP6240168B2 (en) | 2017-12-20 |
| WO2014171421A1 (en) | 2014-10-23 |
| KR20150124972A (en) | 2015-11-06 |
| JPWO2014171421A1 (en) | 2017-02-23 |
| CN105163826A (en) | 2015-12-16 |
| TWI594792B (en) | 2017-08-11 |
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