CN102040270A - Solid separation system - Google Patents
Solid separation system Download PDFInfo
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- CN102040270A CN102040270A CN2010105107350A CN201010510735A CN102040270A CN 102040270 A CN102040270 A CN 102040270A CN 2010105107350 A CN2010105107350 A CN 2010105107350A CN 201010510735 A CN201010510735 A CN 201010510735A CN 102040270 A CN102040270 A CN 102040270A
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Abstract
A solid separation system is provided with the following components: a coagulant injection device (6) which injects the coagulant that causes the solid contained in raw water to agglutinate and form flocculate into the raw water that flows by means of the water current generated by a raw water pump; a coagulant mixing device (7) which mixes the raw water with injected coagulant through water current and delivers the raw water out; a flocculate forming groove (15) which retards the inflowing raw water and causes flocculate forming when the mixed raw water flows into and delivers the raw water out with the water current; an eccentric separator (16) which causes the inflowing raw water to whirl through the water current when the raw water that contains the flocculate flows into, and separates the raw water to the flocculate that is taken as solid and treated water through an eccentric force; a slurry storage tank (18) which stores the flocculate which is separated by the eccentric separator as slurry; and a circulation passage (L) which mixes the slurry stored in the slurry storage tank into the raw water before coagulant injection by the coagulant injection device.
Description
Technical field
The present invention relates to a kind of solid substance separation system of in water treatments such as draining processing or clean water treatment, from the former water that contains solid substance, separating solid substance.
Background technology
In water treatment in the past, in outstanding absurd creature matter or turbidity become to grade the separating treatment of solid substance, many employings will utilize the throw out of agglutinant and coagulant aids to form settlement separate combined solid substance separation system with gravity settling tank.In utilizing the system of gravity settling, former water must be detained in gravity settling tank the needed time of throw out sedimentation.Therefore, the capacity of gravity settling tank must be bigger.Relative with it, with the capacity that dwindles gravity settling tank and to improve separation efficiency be purpose, utilize tipping tube or tilted plate can improve processing speed, still, dwindling of the raising of processing speed and the capacity of gravity settling tank is limited.
Effective ways as the problem of dwindling of the capacity of the raising of the processing speed of the utilization that solves this gravity settling and gravity settling tank have the such centrifugal separating device of liquid cyclone.In liquid cyclone, the former water that the sand branch is contained in inside is circled round, utilize the centrifugal force sand branch that the regulation particle diameter is above from former water, to separate.In such liquid cyclone, owing to utilized the big centrifugal force of acceleration ratio gravity, compare with the situation of utilizing gravity, can at short notice the sand as solid substance be divided and separate, and, the capacity of liquid cyclone can be dwindled to such an extent that the capacity of force of gravity subsider is little.
But, in liquid cyclone because former water to be circling round at a high speed, so, liquid cyclone can not be used for the little throw out of bonding force such easily by the separation of eddy flow destructive material.Therefore, in order from former water, to separate throw out easy ruined material like that, be difficult to use the slow and gravity settling tank capacious of processing speed with avoiding.In addition, in liquid cyclone, the eddy flow by the inflow by former water produces produces centrifugal force, so, always need to give certain above inflow flow velocity, be difficult to reply and flow into water yield load change.In addition, when when flowing into the solid substance amount and apply certain above load, separation efficiency reduces and solid substance recovery ability reduces, so, be difficult to tackle flowing into the change that solid substance is loaded.
Summary of the invention
The solid substance separation system of embodiments of the present invention is via raw water pump the former water that contains solid substance to be flowed into, with the system that this former water sepn is solid substance and treating water, have agglutinant injection device, agglutinant whipping appts, throw out formation groove, centrifugal separating device, mud storagetank and circulation passage.The agglutinant injection device injects agglutinant utilizing the current that produced by raw water pump in the former water of mobile, this agglutinant makes the solid substance aggegation that contains in the former water and forms throw out.The agglutinant whipping appts utilizes above-mentioned current to stir to have injected the former water of agglutinant and sends.Former current after stirring are fashionable, and throw out forms groove and makes the former hydropexis of inflow and form throw out, and utilizes current that it is sent.Fashionable when the former current that contain throw out, centrifugal separating device utilizes current that the former water of inflow is circled round, and will separate with treating water as the throw out of solid substance by centrifugal force.The mud storagetank will be stored as mud at the isolating throw out of separating centrifuge.The mud that circulation passage will be stored in the mud storagetank is mixed into above-mentioned agglutinant injection device injection agglutinant former water before.
Description of drawings
Fig. 1 is the sketch chart of the solid substance separation system of first embodiment.
Fig. 2 is the sketch chart of the solid substance separation system of second embodiment.
Fig. 3 is the sketch chart of the solid substance separation system of the 3rd embodiment.
Fig. 4 is the sketch chart of the solid substance separation system of the 4th embodiment.
Fig. 5 is the sketch chart of the solid substance separation system of the 5th embodiment.
Fig. 6 is the sketch chart of the solid substance separation system of the 6th embodiment.
Fig. 7 is the sketch chart of the solid substance separation system of the 7th embodiment.
Fig. 8 is the sketch chart of the solid substance separation system of the 8th embodiment.
Fig. 9 is the sketch chart of the solid substance separation system of the 9th embodiment.
Figure 10 is the sketch chart of the solid substance separation system of the tenth embodiment.
Figure 11 is the sketch chart of the solid substance separation system of the 11 embodiment.
Embodiment
Below, use accompanying drawing that the solid substance separation system of each embodiment is described.In the following description, same structure is given identical symbol and omitted explanation.
(first embodiment)
As shown in Figure 1, the solid substance separation system 100a of first embodiment of the present invention has: raw water pump 4, and this raw water pump 4 will import from raw water box 1 via first channel L1 as the former water of process object; Agglutinant injection device 6, this agglutinant injection device 6 inject agglutinant in the former water that flows through second passage L2; Agglutinant whipping appts 7, this agglutinant whipping appts 7 stirs the former water that has injected agglutinant; Throw out forms groove 15, and this throw out forms groove 15 makes the solid substance that contains in the former water grow into throw out; It is solid substance and the treating water that becomes throw out with former water sepn that centrifugal separating device 16, this centrifugal separating device 16 utilize centrifugal force; Mud storagetank 18, the throw out after this mud storagetank 18 will separate is stored as mud.In addition, the mud that is stored in the mud storagetank 18 is recycled into the former water that flows through first channel L1 via circulation passage L.
The current that raw water pump 4 is delivered to centrifugal separating device 16 with the former water that will import solid substance separation system 100a send water.
In throw out forms groove 15, fashionable when the former current that stirred by agglutinant whipping appts 7, be trapped in the solid substance aggegation that contains in the inner former water, form throw out.It is airtight shape that throw out forms groove 15, and the former water that contains the throw out of formation is released by the former water that is newly flowed into by the current of raw water pump 4 generations, delivers to centrifugal separating device 16.
Flow in the former water of throw out formation groove 15 gas of contain deliquescent gas, invading when agglutinant is supplied with.Because it is hermetic type that this throw out forms groove 15, when not having the mechanism that the gas of invading and being included in the former water is discharged, gas or foam remain in throw out and form in the groove 15, and the formation efficient of throw out reduces.Therefore, form in the groove 15, wish to have and to remain in the foam output mechanism (not shown) that throw out forms the gas expellant gas output mechanism (not shown) in the groove 15 and foam is discharged at throw out.Form in the groove at throw out, can prevent residual throw out in inside with gas output mechanism and foam output mechanism.Here, by agglutinant whipping appts 7 agglutinant is mixed equably, and, the stirring of by current throw out being carried out in the groove 15 formed at throw out, consequent mixed effect was worked in the residence time, throw out be consolidated to can centrifugation degree.
As mentioned above, in the solid substance separation system 100a of first embodiment, the change in order to prevent to flow into water yield load or to flow into the solid substance load is mixed into former water via circulation passage L with recirculated water.Therefore, in solid substance separation system 100a,, can keep certain current by raw water pump 4, and can make intrasystem waterflow stabilization by make the simple structure of mud circulation by circulation passage L.
In addition, in solid substance separation system 100a, do not have the tempering tank that uses in the solid substance separation system in the past, and forming to throw out on the second passage L2 of the former water of groove 15 conveyings, the agglutinant whipping appts 7 more small-sized than tempering tank is set from raw water pump 4.In addition, in solid substance separation system 100a, substitute the gravity settling tank that uses in the solid substance separation system in the past, have the small-sized centrifugal separating device of force of gravity subsider 16.Therefore,, can make system simplification and densification, can dwindle that the space being set according to solid substance separation system 100a.
In addition, in solid substance separation system 100a, centrifugal separating device 16 produces eddy flows and utilizes gravity and centrifugal force makes the throw out sedimentation.Therefore,, compare, can make the throw out sedimentation at short notice with the situation of only utilizing gravity in the past according to solid substance separation system 100a, so, separation efficiency can be improved.
In addition, in solid substance separation system 100a, only former water is delivered to centrifugal separating device 16 by raw water pump 4, agglutinant whipping appts 7 and centrifugal separating device 16 can be only power by current stir or separate.Therefore, solid substance separation system 100a does not need the power beyond the raw water pump 4, so, can realize that low energy quantizes.For example, in solid substance separation system 100a,, can realize that low energy quantizes owing to do not need the power of mixing apparatus that uses in the past the solid substance separation system and the mechanism of collecting settled throw out in mixing device and the gravity settling tank etc.
(second embodiment)
As shown in Figure 2, the solid substance separation system 100b of second embodiment compares with the solid substance separation system 100a of first embodiment that uses Fig. 1 explanation, its difference is, except having raw water pump 4, agglutinant injection device 6, agglutinant whipping appts 7, throw out formation groove 15, centrifugal separating device 16 and mud storagetank 18, also have the first coagulant aids injection device 11, the first coagulant aids whipping appts 12, the second coagulant aids injection device 13 and the second coagulant aids whipping appts 14.The throw out of this solid substance separation system 100b is formed groove 15, carry after stirring agglutinants again the former water that has stirred by the first coagulant aids whipping appts 12 and the second coagulant aids whipping appts 14 by agglutinant whipping appts 7.
The first coagulant aids injection device 11 injects coagulant aids to the former water that flows through third channel L3, flows through the former water that was stirred by agglutinant whipping appts 7 among the above-mentioned third channel L3, and above-mentioned coagulant aids makes the firm and formation significantly of the throw out that forms by agglutinant.This first coagulant aids injection device 11 selects the coagulant aids of suitable kind and amount to inject from organic polymer agglutinant such as polyacrylamide or polysilicate inorganic polymer agglutinants such as (polysilica) according to the solid substance that contains in the former water.
That is, under, the throw out softish situation little in the bonding force of the throw out that flows into centrifugal separating device 16, because the shear strength that the current of former water produce, throw out microminiaturization and be difficult to reclaim.In addition, under the little situation of the diameter of the throw out that flows into centrifugal separating device 16, be difficult to reclaim throw out by centrifugal force.Therefore, make the coagulant aids that throw out is firm and form significantly, make throw out become the character of easy recovery, thereby improve the organic efficiency of the solid substance in the former water by 11 injections of the first coagulant aids injection device.
The first coagulant aids whipping appts 12 is arranged on the third channel L3, is that channel mixer etc. only utilizes current and do not need other power just can stir the device of former water and coagulant aids.By stirring former water and coagulant aids at the first coagulant aids whipping appts 12, throw out forms the character that reclaims easily easily in throw out forms groove 15.
The second coagulant aids injection device 13 injects coagulant aids to the former water that flows through four-way L4, flow through the former water that was stirred by the first coagulant aids whipping appts 12 among the above-mentioned four-way L4, above-mentioned coagulant aids makes the firm and formation significantly of the throw out that forms by agglutinant.This second coagulant aids injection device 13 injects and the different coagulant aids of coagulant aids that is injected by the first coagulant aids injection device 11.For example, the solid substance that contains in former water is high and form under the situation of mineral compound of hard throw out with the agglutinant affinity that is raw material with aluminium or iron, throw out is not easy to be pulverized by centrifugal separating device 16, but, under the not high situation of the solid substance that contains in former water and the affinity of agglutinant, what the shear strength that exists throw out to be produced by the eddy flow of centrifugal separating device 16 inside was pulverized may.Therefore, carry out experiments such as compendency test in advance, the selected coagulant aids (for example, polyacrylamide system, sodium polyacrylate etc.) that forms hard throw out, the second coagulant aids injection device 13 injects selected agglutinant.
The second coagulant aids whipping appts 14 is arranged on the four-way L4, is that channel mixer etc. only utilizes current and do not need other power just can stir the device of former water and coagulant aids.By stirring former water and coagulant aids at the second coagulant aids whipping appts 14, throw out forms the character that reclaims easily easily in throw out forms groove 15.
In addition, here, to being illustrated with the example that the second coagulant aids injection device 13 injects different coagulant aidss by the first coagulant aids injection device 11, still, the first coagulant aids injection device 11 also can inject identical coagulant aids with the second coagulant aids injection device 13.Under the situation that same coagulant aids is injected at twice, in case re-inject coagulant aids after the throw out that forms small particle size, throw out grows into the throw out of bigger particle diameter with aggegation each other, so, make throw out form the character of easy recovery easily.In addition, the solid substance that contains in former water has under the situation of character of easy formation throw out, also can not have the second coagulant aids injection device 13, gets final product and only inject coagulant aidss by the first coagulant aids injection device 11.
As mentioned above, in the solid substance separation system 100b of second embodiment, inject coagulant aids by coagulant aids injection device 11,13 and make throw out form the character that is reclaimed by centrifugal separating device 16 easily.Therefore,, improve, can make that to handle water clarification stable owing to the raising of the separation efficiency of throw out makes the organic efficiency that reclaims solid substance from former water according to solid substance separation system 100b.
In addition, the same according to the solid substance separation system 100b of second embodiment with the solid substance separation system 100a of first embodiment, can realize that the summary of system, province can quantize, save spaceization.
(the 3rd embodiment)
As shown in Figure 3, the solid substance separation system 100c of the 3rd embodiment and the solid substance separation system 100b of above-mentioned second embodiment that uses Fig. 2 explanation compare, difference is to have raw water flow meter 5, circular flow control device 24, circular flow meter 25 and circular flow calculating device 27.
Raw water flow meter 5 is measured the flow of the former water that flows through second passage L2.In addition, circular flow meter 25 is measured the flow of the recirculated water that flows through circulation passage L.
The flow of the flow of the former water that circular flow calculating device 27 input is measured by raw water flow meter 5 and the recirculated water measured by circular flow meter 25.In addition, when the indicator value of the indicator value of input raw water flow meter 5 and circular flow meter 25, circular flow calculating device 27 is according to both sides' and calculate the flow of being carried by raw water pump 4, and calculate quantity of circulating water, the control signal of output Control Circulation flow rate control device 24 according to its difference with the flow of predetermined regulation.
Circular flow control device 24 is arranged at circulation passage L, according to the control signal from 27 inputs of circular flow calculating device, is controlled at the flow of round-robin recirculated water among the first channel L1.
Specifically, when the fluctuations in discharge of the former water that flows through second passage L2, after whipping appts 7,13,14, throw out form in groove 15 and the centrifugal separating device 16, can not keep desired current, the whipping appts 7,13,14 after existing, throw out form the possibility of groove 15 and centrifugal separating device 16 cisco unity malfunctions.In addition, when the fluctuations in discharge of the former water that flows through second passage L2, the flow of third channel L3 after flowing through and the former water of four-way L4 also changes, the quantitative change that agglutinant injection device 6 or coagulant aids injection device 11,13 inject the medicine of former water gets improper, can not suitably form throw out, have the possibility of the organic efficiency reduction of solid substance.
Therefore, for example, under the low situation of the flow of the predetermined regulation of the current ratio of the former water of being measured by raw water flow meter 5, the control signal that circular flow calculating device 27 will increase the flow of recirculated water outputs to circular flow control device 24.On the other hand, under the high situation of the flow of the predetermined regulation of the current ratio of the former water of being measured by raw water flow meter 5, the control signal that circular flow calculating device 27 will reduce the flow of recirculated water outputs to circular flow control device 24.
As mentioned above, in the solid substance separation system 100c of the 3rd embodiment, can adjust the flow of recirculated water by circular flow control device 24.Therefore,, can produce suitable current and also reduce inflow water yield load, realize that the raising and the clarifying for the treatment of water of the organic efficiency of solid substance stablized according to solid substance separation system 100c.
In addition, according to the solid substance separation system 100c of the 3rd embodiment, can realize that similarly the summary of system, province can quantize and save spaceization with above-mentioned solid substance separation system 100a, solid substance separation system 100b.
(the 4th embodiment)
As shown in Figure 4, the solid substance separation system 100d of the 4th embodiment compares with the solid substance separation system 100c of above-mentioned the 3rd embodiment that uses Fig. 3 explanation, and difference is to have the liquid level sensor 2 of the water level of measuring raw water box 1.
Circular flow calculating device 27 is considered the liquid level of the former water of raw water box 1, tries to achieve the suitable flow of the recirculated water that is mixed into former water, to circular flow control device 24 output control signals.At this moment, circular flow calculating device 27 also can together be considered the flow of the former water measured by raw water flow meter 5 with the liquid level that liquid level sensor 2 is measured and the flow of the recirculated water measured by circular flow meter 25.
For example, circular flow calculating device 27 is under the low situation of the liquid level of raw water box 1, increase the flow of recirculated water owing to the flow that can not increase former water, under the high situation of the liquid level of raw water box 1, owing to can increase the flow of former water, so,, can increase the flow of former water than increasing recirculated water.
As mentioned above, in the solid substance separation system 100d of the 4th embodiment, by adjusting the balance of the flow of former water and recirculated water by circular flow control device 24 according to the liquid level of raw water box 1, no matter former water flows into or former water deficiency superfluously, can both make to flow into water yield steady load.
In addition, in the solid substance separation system 100d of the 4th embodiment, can similarly improve the organic efficiency of solid substance with above-mentioned solid substance separation system 100a～100c and realize the stable clarification for the treatment of water, and, can realize system summary, economize can quantize, save spaceization.
(the 5th embodiment)
As shown in Figure 5, the solid substance separation system 100e of the 5th embodiment compares with the solid substance separation system 100d of above-mentioned the 4th embodiment that uses Fig. 4 explanation, difference is to have pH is adjusted the adjustment agent whipping appts 9 that agent is injected the pH adjustment agent injection device 8 of the former water that flows through third channel L3 and stirred the former water that has injected pH adjustment agent.
PH adjusts agent injection device 8 and can carry out in the suitable agglutinative scope for the pH value that makes former water is in the agglutinant and the coagulant aids that inject former water, injects pH such as acid or alkali and adjusts agent.Adjust agent and make the pH value of former water suitable by injecting pH, can make throw out form character harder, easier recovery.
As mentioned above, in the solid substance separation system 100e of the 5th embodiment, make the best aggegation of pH value of former water by the 8 injection pH adjustment agent of pH adjustment agent injection device, thus, form the throw out that passes through centrifugal separating device 16 recovery easily.Therefore,, improve the organic efficiency that reclaims solid substance from former water, can make the processing water clarification stable by the separation efficiency that improves throw out according to solid substance separation system 100b.
In addition, in the solid substance separation system 100e of the 5th embodiment, can realize that similarly the summary of system, province can quantize, save spaceization with above-mentioned solid substance separation system 100a～100d.
In addition, in solid substance separation system 100e shown in Figure 5, have circular flow calculating device 27, liquid level sensor 2, raw water flow meter 5 and circular flow meter 25, still, these optional structures.
(the 6th embodiment)
As shown in Figure 6, the solid substance separation system 100f of the 6th embodiment compares with the solid substance separation system 100e of above-mentioned the 5th embodiment that uses Fig. 5 explanation, difference is, has mensuration by the pH determinator 10 of the pH value of adjusting the former water that agent whipping appts 9 stirred with control the adjustment agent calculating device 26 of pH adjustment agent injection device by the pH value of the former water measured according to pH determinator 10.
When injection that input is measured by pH determinator 10 during the pH value of the former water of pH after adjusting agent, adjust agent calculating device 26 and judge whether be the optimal ph that forms throw out by agglutinant and coagulant aids, in the pH value is not under the situation of the best, adjusts 8 outputs of agent injection device to pH and injects the control signal that the pH that reaches the required amount of optimal ph adjusts agent.
As mentioned above, in the solid substance separation system 100f of the 6th embodiment, can adjust the injection rate of agent according to the pH value control pH that measures by pH determinator 10.Therefore,, can not be subjected to the influence of change of the pH value of former water, the pH value is kept certain, make the separation efficiency of solid substance stable, improve the organic efficiency of solid substance, can make that to handle water clarification stable according to solid substance separation system 100f.
In addition, in the solid substance separation system 100f of the 6th embodiment, can realize that similarly the summary of system, province can quantize, save spaceization with above-mentioned solid substance separation system 100a～100e.
In addition, in example shown in Figure 6, adjust 26 utilizations of agent calculating device the pH value that pH adjusts the former water after agent is injected is carried out feedback control, still, the pH value that also can utilize pH to adjust the preflood former water of agent is carried out feedback control
In addition, in solid substance separation system 100f shown in Figure 6, have circular flow calculating device 27, liquid level sensor 2, raw water flow meter 5 and circular flow meter 25, still, the structure that these neither be essential.
(the 7th enforcement side)
As shown in Figure 7, the solid substance separation system 100g of the 7th embodiment compares with the solid substance separation system 100f of above-mentioned the 6th embodiment that uses Fig. 6 explanation, difference is to have the sludge interface transmitter 20 of the height of the sludge interface of measuring mud storagetank 18.
Have following tendency in the mud in mud storagetank 18: the concentration of the solid substance of top is low, and the concentration of (end) solid substance is high more downwards more, in mud storagetank 18, has sludge interface.Be mixed under the situation of former water at the high recirculated water of the concentration that makes solid substance, increase the problem that just can not suitably generate throw out if produce the injection rate do not make agglutinant and coagulant aids, be created among the solid substance separation system 100g because that the increase of solid substance load causes handling is possible.
Therefore, circular flow calculating device 27 is under the high situation of the height of the predetermined regulation of the aspect ratio of the sludge interface of being measured by sludge interface transmitter 20, reduce the flow of recirculated water, perhaps make termination be recycled to circular flow control device 24 to the control signal of former water mixed cycle water.
As mentioned above, in the solid substance separation system 100g of the 7th embodiment, circular flow calculating device 27 utilizes the circular flow of the height Control Circulation water of sludge interface transmitter 20 mensuration.Therefore,, can suppress of the mixing of the high recirculated water of turbidity, prevent to flow into the increase of solid substance load, realize that the stable and treating water of solid-liquid separation is clarifying stable to former water according to solid substance separation system 100g.
In addition, in the solid substance separation system 100g of the 7th embodiment, can similarly improve the organic efficiency of solid substance with above-mentioned solid substance separation system 100a～100f and can realize that the summary of system, province can quantize, save spaceization.
(the 8th embodiment)
As shown in Figure 8, the solid substance separation system 100h of the 8th embodiment compares with the solid substance separation system 100g of above-mentioned the 7th embodiment that uses Fig. 7 explanation, difference is, have the position calculating apparatus of extracting 21 and extract position control 22, the above-mentioned position calculating apparatus 21 of extracting utilizes the height of the sludge interface of being measured by sludge interface transmitter 20 to obtain the height of the mud that extracts from mud storagetank 18, above-mentioned extract position control 22 according to from the control signal control that extracts position calculating apparatus 21 inputs from position that mud storagetank 18 extracts.
That is, as mentioned above, about sludge interface, the turbidity of the mud of the mud in the mud storagetank 18 is different with solid concentration, and still, when the turbidity of mud or the high mud of solid concentration were mixed into former water as recirculated water, the solid substance load increased.Extract position control 22 and control the height that extracts mud for the increase of the solid substance load that prevents solid substance separation system 100h.On the contrary, under the low situation of the solid substance load of former water, for the injection rate of agglutinant injection device 6, pH being adjusted agent injection device 8, the first coagulant aids injection device 11, the second coagulant aids injection device 13 keeps certain, and the water quality of the former water that centrifugal separating device 16 is handled keeps certain, control extracts the height that extracts of position control 22, and the high mud circulation of solid concentration also can.
As mentioned above, in the solid substance separation system 100h of the 8th embodiment, extract position control 22 extracts mud according to the height control of sludge interface height.Therefore,, can prevent to flow into the increase of solid substance load, can realize that the clarifying of stable and treating water of solid-liquid separation stablized according to solid substance separation system 100h.
In addition, the same with above-mentioned solid substance separation system 100a～100g in the solid substance separation system 100h of the 8th embodiment, can realize the raising of the organic efficiency of solid substance, and, can realize that the summary of system, province can quantize, save spaceization.
In addition, in the solid substance separation system 100h of the 8th embodiment, though have circular flow calculating device 27, liquid level sensor 2, raw water flow meter 5 and circular flow meter 25, these are not essential structure.
(the 9th embodiment)
As shown in Figure 9, the solid substance separation system 100i of the 9th embodiment compares with the solid substance separation system 100h of above-mentioned the 8th embodiment that uses Fig. 8 explanation, difference is, have mud transmitter 19, this mud transmitter 19 is measured the turbidity or the solid concentration of the last clarification of water of the mud in the mud storagetank 18.
Circular flow calculating device 27 is considered by the turbidity of the last clarification of water of mud transmitter 19 mensuration or the flow that solid concentration comes computation cycles water.For example, under the high situation of the turbidity of clarification of water on the mud storagetank 18, perhaps under the high situation of solid concentration, circular flow calculating device 27 can reduce the flow to former water blended recirculated water in order to prevent the increase of solid substance load.At this moment, circular flow calculating device 27 can consider the flow of the former water of measuring by raw water flow meter 5, the water level of the former water of the flow of the recirculated water measured by circular flow meter 25 and the raw water box 1 measured by liquid level sensor 2.
As mentioned above, in the solid substance separation system 100i of the 9th embodiment, circular flow calculating device 27 is according to as the turbidity of the last clarification of water of the measurement result of mud transmitter 19 or the solid concentration adjustment flow to former water blended recirculated water.Therefore,, can prevent to flow into the increase of solid substance load, can realize that the clarifying of stable and treating water of solid-liquid separation stablized according to solid substance separation system 100i.
In addition, the same with above-mentioned solid substance separation system 100a～100h in the solid substance separation system 100i of the 9th embodiment, can realize the raising of the organic efficiency of solid substance, and, can realize that the summary of system, province can quantize, save spaceization.
In addition, in the solid substance separation system 100h of the 9th embodiment, not only liquid level sensor 2, raw water flow meter 5 and circular flow meter 25 optional structures, extract position calculating apparatus 21 and extract the structure that position control 22 neither be essential at sludge interface transmitter 20.
(the tenth embodiment)
As shown in figure 10, the solid substance separation system 100j of the tenth embodiment compares with the solid substance separation system 100i of above-mentioned the 9th embodiment that uses Fig. 9 explanation, difference is, has treating water transmitter 17, the concentration that this treating water transmitter 17 is measured from centrifugal separating device 16 effusive treating water.
Under the in-problem situation, the turbidity for the treatment of water or the concentration of solid substance uprise in the aggegation process.Therefore, under the situation that the concentration of the turbidity of the treating water of being measured by treating water transmitter 17 or solid substance uprises, circular flow calculating device 27 is according to the concentration of solid substance, adjusts the flow of the former water that flows into from raw water box 1 or is mixed into the flow of the recirculated water of former water.For example, under the high situation of the concentration of the turbidity for the treatment of water or solid substance, circular flow calculating device 27 can reduce the flow to former water blended recirculated water in order to prevent the increase of solid substance load, increases the flow of the former water that flows into from raw water box 1.At this moment, circular flow calculating device 27 can consider the flow of the former water of measuring by raw water flow meter 5, the turbidity or the solid concentration of the water level of the former water of the flow of the recirculated water measured by circular flow meter 25, the raw water box 1 measured by liquid level sensor 2 and the last clarification of water measured by mud transmitter 19.
As mentioned above, in the solid substance separation system 100j of the tenth embodiment, circular flow calculating device 27 is adjusted the balance of former water and recirculated water according to turbidity or solid concentration as the treating water measurement result for the treatment of water transmitter 17, that obtain at centrifugal separating device 16.Therefore,, can prevent to flow into the increase of water yield load or the increase of solid substance load, can realize that the clarifying of stable and treating water of solid-liquid separation stablized according to solid substance separation system 100j.
In addition, the same with above-mentioned solid substance separation system 100a～100i in the solid substance separation system 100j of the tenth embodiment, can realize the raising of the organic efficiency of solid substance, and, can realize that the summary of system, province can quantize, save spaceization.
In addition, in the solid substance separation system 100j of the tenth embodiment, not only liquid level sensor 2, raw water flow meter 5, circular flow meter 25 and mud transmitter 19 optional structures, extract position calculating apparatus 21 and extract the structure that position control 22 neither be essential at sludge interface transmitter 20.
(the 11 embodiment)
As shown in figure 11, the solid substance separation system 100k of the 11 embodiment compares with the solid substance separation system 100j of above-mentioned the tenth embodiment that uses Figure 10 explanation, difference is, have influent density transmitter 3, this influent density transmitter 3 is measured the concentration of the former water that flows through first channel L1.
Circular flow calculating device 27 is for the deficiency that prevents agglutinant or coagulant aids, the increase of solid substance load etc., and consideration comes the flow of computation cycles water by the turbidity of the former water of influent density transmitter 3 mensuration or the concentration of solid substance.For example, under the high situation of the turbidity of former water or solid concentration, circular flow calculating device 27 can reduce the flow to former water blended recirculated water in order to prevent the increase of solid substance load.At this moment, circular flow calculating device 27 can consider the flow of the former water measured by raw water flow meter 5, the water level of the former water of the flow of the recirculated water measured by circular flow meter 25 and the raw water box 1 measured by liquid level sensor 2, the turbidity of measuring by mud transmitter 19 or solid concentration, turbidity or the solid concentration measured by treating water transmitter 17.
As mentioned above, in the solid substance separation system 100k of the 11 embodiment, circular flow calculating device 27 is adjusted the balance of former water and recirculated water according to turbidity or solid concentration as the former water measurement result of influent density transmitter 3, that flow into from raw water box 1.Therefore, in solid substance separation system 100k, can prevent to flow into the increase of water yield load or the increase of solid substance load, can realize that the clarifying of stable and treating water of solid-liquid separation stablized.
In addition, in the solid substance separation system 100k of the 11 embodiment, the same with above-mentioned solid substance separation system 100a～100j, can realize the raising of organic efficiency of solid substance and the stable clarification for the treatment of water, and, can realize that the summary of system, province can quantize, save spaceization.
In addition, in the solid substance separation system 100k of the 11 embodiment, not only liquid level sensor 2, raw water flow meter 5, circular flow meter 25, mud transmitter 19 and treating water transmitter 17 optional structures, extract position calculating apparatus 21 and extract the structure that position control 22 neither be essential at sludge interface transmitter 20.
More than the embodiments of the present invention are illustrated, still, these embodiments just propose as an example, are not used for limiting scope of invention.These new embodiments can be implemented with other various embodiments, in the scope that does not break away from purport of the present invention, can carry out various omissions, rewriting, change.These embodiments and distortion thereof are included in the scope and spirit of the present invention, and, be included in the invention that is recorded in the claim and the scope impartial with it.
Claims (16)
1. solid substance separation system, this solid substance separation system flows into the former water that contains solid substance via raw water pump, should former water sepn be solid substance and treating water, it is characterized in that having:
The agglutinant injection device, this agglutinant injection device injects agglutinant utilizing the current that produced by above-mentioned raw water pump in the former water of mobile, and this agglutinant makes the solid substance aggegation that contains in the former water and forms throw out;
Agglutinant whipping appts, this agglutinant whipping appts utilize above-mentioned current to stir to have injected the former water of agglutinant and it are sent;
Throw out forms groove, and when fashionable through the former current that stir, this throw out forms groove and makes the former hydropexis of inflow and form throw out, and, utilize above-mentioned current that it is sent;
Centrifugal separating device, fashionable when the former current that contain throw out, this centrifugal separating device utilizes above-mentioned current that the former water of inflow is circled round, and, be separated into throw out and treating water by centrifugal force as solid substance;
The mud storagetank, this mud storagetank will be stored as mud by the isolating throw out of above-mentioned centrifugal separating device; And
The mud that circulation passage, this circulation passage will be stored in above-mentioned mud storagetank is mixed into above-mentioned agglutinant injection device injection agglutinant former water before.
2. solid substance separation system as claimed in claim 1 is characterized in that having in addition:
The coagulant aids injection device, this coagulant aids injection device utilizes above-mentioned current after having injected agglutinant and the former water of mobile injects coagulant aids, and this coagulant aids makes the throw out sclerosis that contains in the former water or becomes big; And
The coagulant aids whipping appts, this coagulant aids whipping appts utilizes above-mentioned current, stirs the former water that has injected coagulant aids.
3. solid substance separation system as claimed in claim 1 or 2 is characterized in that having in addition:
Raw water flow meter, this raw water flow instrumentation have mixed after the mud surely and the flow of the former water of agglutinant before being injected into;
The circular flow meter, this circular flow instrumentation is mixed into the flow of the mud in the former water surely; And
The circular flow control device, this circular flow control device carries out feedback control according to the measurement result of above-mentioned raw water flow meter and the measurement result of above-mentioned circular flow meter to the amount that is mixed into the mud in the former water.
4. solid substance separation system as claimed in claim 1 or 2 is characterized in that having in addition:
Liquid level sensor, this liquid level sensor is measured the liquid level of the raw water box of storing the former water that flows into the solid substance separation system; And
Circular flow control device, this circular flow control device are according to the measurement result of above-mentioned liquid level sensor, and control is mixed into the amount of the mud in the former water.
5. solid substance separation system as claimed in claim 3 is characterized in that,
Have liquid level sensor in addition, this liquid level sensor is measured the liquid level of the raw water box of storing the former water that flows into the solid substance separation system,
Above-mentioned circular flow control device utilizes the measurement result of above-mentioned liquid level sensor in the control that the amount that is mixed into the mud in the former water is carried out.
6. solid substance separation system as claimed in claim 2 is characterized in that,
Have the agent of adjustment injection device in addition, this adjusts the adjustment agent that the former water of agent injection device before injecting above-mentioned coagulant aids injects the pH value of adjusting former water.
7. solid substance separation system as claimed in claim 6 is characterized in that having in addition:
PH determinator, this pH determinator are measured the pH value of injecting before the coagulant aids or injecting coagulant aids former water afterwards; And
PH adjusts control device, and this pH adjusts control device according to the pH value of being measured by above-mentioned pH determinator, controls the injection rate of the adjustment agent of above-mentioned adjustment agent injection device injection.
8. solid substance separation system as claimed in claim 1 or 2 is characterized in that having in addition:
The sludge interface transmitter, the sludge interface height of the above-mentioned mud storagetank of this sludge interface sensor determination; And
Circular flow control device, this circular flow control device are according to the measurement result of above-mentioned sludge interface transmitter, and control is mixed into the amount of the mud in the former water.
9. as claim 3 or 5 described solid substance separation systems, it is characterized in that,
Have the sludge interface transmitter in addition, the sludge interface height of the above-mentioned mud storagetank of this sludge interface sensor determination,
Above-mentioned circular flow control device utilizes the measurement result of above-mentioned sludge interface transmitter in the control that the amount that is mixed into the mud in the former water is carried out.
10. as any described solid substance separation system in the claim 1 to 7, it is characterized in that having in addition:
The sludge interface transmitter, the sludge interface height of the above-mentioned mud storagetank of this sludge interface sensor determination; And
Extract position control, this extracts the measurement result of position control according to above-mentioned sludge interface transmitter, and control extracts the position of mud from above-mentioned mud storagetank.
11. solid substance separation system as claimed in claim 1 or 2 is characterized in that having in addition:
The mud transmitter, the turbidity or the solid concentration of the upper clear liquid of the above-mentioned mud storagetank of this mud sensor determination; And
The circular flow control device, this circular flow control device is according to the amount of the measurement result control mud of above-mentioned mud transmitter.
12. any described solid substance separation system as in the claim 3,5,8 or 9 is characterized in that,
Have the mud transmitter in addition, the turbidity or the solid concentration of the upper clear liquid of the above-mentioned mud storagetank of this mud sensor determination,
Above-mentioned circular flow control device is according to the amount of the measurement result control mud of above-mentioned mud transmitter.
13. solid substance separation system as claimed in claim 1 or 2 is characterized in that having in addition:
The concentration of the treating water that treating water transmitter, this treating water sensor determination are obtained by above-mentioned centrifugal separating device; And
Circular flow control device, this circular flow control device are mixed into the amount of the mud in the former water according to the measurement result control of above-mentioned treating water transmitter.
14. any described solid substance separation system as in the claim 3,5,8,9 or 12 is characterized in that,
Have the treating water transmitter in addition, the concentration of the treating water that this treating water sensor determination is obtained by above-mentioned centrifugal separating device,
Above-mentioned circular flow control device utilizes the measurement result of above-mentioned treating water transmitter in the control that the amount that is mixed into the mud in the former water is carried out.
15. solid substance separation system as claimed in claim 1 or 2 is characterized in that having in addition:
Former water sensor, this former water sensor is measured the turbidity or the solid concentration of the former water before the mixing mud; And
Circular flow control device, this circular flow control device are mixed into the amount of the mud in the former water according to the measurement result control of above-mentioned former water sensor.
16. any described solid substance separation system as in the claim 3,5,8,9,12 or 14 is characterized in that,
Have former water sensor in addition, this former water sensor is measured the turbidity or the solid concentration of the former water before the mixing mud,
Above-mentioned circular flow control device utilizes the measurement result of above-mentioned former water sensor in the control that the amount that is mixed into the mud in the former water is carried out.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009238686A JP4875128B2 (en) | 2009-10-15 | 2009-10-15 | Solid matter separation system |
| JP238686/2009 | 2009-10-15 |
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| CN102040270A true CN102040270A (en) | 2011-05-04 |
| CN102040270B CN102040270B (en) | 2014-01-22 |
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| CN (1) | CN102040270B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115461137A (en) * | 2020-03-12 | 2022-12-09 | 巴工业株式会社 | Polymeric flocculant mixing and dissolving system |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4875129B2 (en) * | 2009-10-15 | 2012-02-15 | 株式会社東芝 | Solid-liquid separation system |
| JP5524284B2 (en) * | 2012-07-09 | 2014-06-18 | 株式会社東芝 | Solid-liquid separation system |
| JP6139349B2 (en) * | 2013-09-12 | 2017-05-31 | 株式会社東芝 | Water treatment system |
| KR102542317B1 (en) * | 2022-03-10 | 2023-06-13 | 주식회사 셈즈 | Polluted Water Treatment Device Including a Cyclone Treatment Unit |
| KR102542320B1 (en) * | 2022-03-10 | 2023-06-13 | 주식회사 셈즈 | Contaminated Water Treatment Method Using a Contaminated Water Treatment Device Including a Cyclone Treatment Unit |
| CN117902787B (en) * | 2024-03-19 | 2024-05-28 | 陕西省环境监测中心站 | Automatic wastewater treatment system and method |
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Also Published As
| Publication number | Publication date |
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| CN102040270B (en) | 2014-01-22 |
| JP4875128B2 (en) | 2012-02-15 |
| JP2011083707A (en) | 2011-04-28 |
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